-/*\r
- * Copyright (c) 1987, 1993, 1994\r
- * The Regents of the University of California. All rights reserved.\r
- *\r
- * Redistribution and use in source and binary forms, with or without\r
- * modification, are permitted provided that the following conditions\r
- * are met:\r
- * 1. Redistributions of source code must retain the above copyright\r
- * notice, this list of conditions and the following disclaimer.\r
- * 2. Redistributions in binary form must reproduce the above copyright\r
- * notice, this list of conditions and the following disclaimer in the\r
- * documentation and/or other materials provided with the distribution.\r
- * 3. All advertising materials mentioning features or use of this software\r
- * must display the following acknowledgement:\r
- * This product includes software developed by the University of\r
- * California, Berkeley and its contributors.\r
- * 4. Neither the name of the University nor the names of its contributors\r
- * may be used to endorse or promote products derived from this software\r
- * without specific prior written permission.\r
- *\r
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND\r
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE\r
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL\r
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS\r
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)\r
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT\r
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY\r
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF\r
- * SUCH DAMAGE.\r
- */\r
-\r
-/* last review : october 29th, 2002 */\r
-\r
-#if defined(LIBC_SCCS) && !defined(lint)\r
-static char sccsid[] = "@(#)getopt.c 8.3 (Berkeley) 4/27/95";\r
-#endif /* LIBC_SCCS and not lint */\r
-\r
-#include <stdio.h>\r
-#include <stdlib.h>\r
-#include <string.h>\r
-\r
-int opterr = 1, /* if error message should be printed */\r
- optind = 1, /* index into parent argv vector */\r
- optopt, /* character checked for validity */\r
- optreset; /* reset getopt */\r
-char *optarg; /* argument associated with option */\r
-\r
-#define BADCH (int)'?'\r
-#define BADARG (int)':'\r
-#define EMSG ""\r
-\r
-/*\r
- * getopt --\r
- * Parse argc/argv argument vector.\r
- */\r
-int getopt(int nargc, char *const *nargv, const char *ostr) {\r
-# define __progname nargv[0]\r
- static char *place = EMSG; /* option letter processing */\r
- char *oli; /* option letter list index */\r
-\r
- if (optreset || !*place) { /* update scanning pointer */\r
- optreset = 0;\r
- if (optind >= nargc || *(place = nargv[optind]) != '-') {\r
- place = EMSG;\r
- return (-1);\r
- }\r
- if (place[1] && *++place == '-') { /* found "--" */\r
- ++optind;\r
- place = EMSG;\r
- return (-1);\r
- }\r
- } /* option letter okay? */\r
- if ((optopt = (int) *place++) == (int) ':' ||\r
- !(oli = strchr(ostr, optopt))) {\r
- /*\r
- * if the user didn't specify '-' as an option,\r
- * assume it means -1.\r
- */\r
- if (optopt == (int) '-')\r
- return (-1);\r
- if (!*place)\r
- ++optind;\r
- if (opterr && *ostr != ':')\r
- (void) fprintf(stderr,\r
- "%s: illegal option -- %c\n", __progname, optopt);\r
- return (BADCH);\r
- }\r
- if (*++oli != ':') { /* don't need argument */\r
- optarg = NULL;\r
- if (!*place)\r
- ++optind;\r
- } else { /* need an argument */\r
- if (*place) /* no white space */\r
- optarg = place;\r
- else if (nargc <= ++optind) { /* no arg */\r
- place = EMSG;\r
- if (*ostr == ':')\r
- return (BADARG);\r
- if (opterr)\r
- (void) fprintf(stderr,\r
- "%s: option requires an argument -- %c\n",\r
- __progname, optopt);\r
- return (BADCH);\r
- } else /* white space */\r
- optarg = nargv[optind];\r
- place = EMSG;\r
- ++optind;\r
- }\r
- return (optopt); /* dump back option letter */\r
-}\r
+/*
+ * Copyright (c) 1987, 1993, 1994
+ * The Regents of the University of California. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/* last review : october 29th, 2002 */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)getopt.c 8.3 (Berkeley) 4/27/95";
+#endif /* LIBC_SCCS and not lint */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+int opterr = 1, /* if error message should be printed */
+ optind = 1, /* index into parent argv vector */
+ optopt, /* character checked for validity */
+ optreset; /* reset getopt */
+char *optarg; /* argument associated with option */
+
+#define BADCH (int)'?'
+#define BADARG (int)':'
+#define EMSG ""
+
+/*
+ * getopt --
+ * Parse argc/argv argument vector.
+ */
+int getopt(int nargc, char *const *nargv, const char *ostr) {
+# define __progname nargv[0]
+ static char *place = EMSG; /* option letter processing */
+ char *oli; /* option letter list index */
+
+ if (optreset || !*place) { /* update scanning pointer */
+ optreset = 0;
+ if (optind >= nargc || *(place = nargv[optind]) != '-') {
+ place = EMSG;
+ return (-1);
+ }
+ if (place[1] && *++place == '-') { /* found "--" */
+ ++optind;
+ place = EMSG;
+ return (-1);
+ }
+ } /* option letter okay? */
+ if ((optopt = (int) *place++) == (int) ':' ||
+ !(oli = strchr(ostr, optopt))) {
+ /*
+ * if the user didn't specify '-' as an option,
+ * assume it means -1.
+ */
+ if (optopt == (int) '-')
+ return (-1);
+ if (!*place)
+ ++optind;
+ if (opterr && *ostr != ':')
+ (void) fprintf(stderr,
+ "%s: illegal option -- %c\n", __progname, optopt);
+ return (BADCH);
+ }
+ if (*++oli != ':') { /* don't need argument */
+ optarg = NULL;
+ if (!*place)
+ ++optind;
+ } else { /* need an argument */
+ if (*place) /* no white space */
+ optarg = place;
+ else if (nargc <= ++optind) { /* no arg */
+ place = EMSG;
+ if (*ostr == ':')
+ return (BADARG);
+ if (opterr)
+ (void) fprintf(stderr,
+ "%s: option requires an argument -- %c\n",
+ __progname, optopt);
+ return (BADCH);
+ } else /* white space */
+ optarg = nargv[optind];
+ place = EMSG;
+ ++optind;
+ }
+ return (optopt); /* dump back option letter */
+}
-/* last review : october 29th, 2002 */\r
-\r
-#ifndef _GETOPT_H_\r
-#define _GETOPT_H_\r
-\r
-extern int opterr;\r
-extern int optind;\r
-extern int optopt;\r
-extern int optreset;\r
-extern char *optarg;\r
-\r
-extern int getopt(int nargc, char *const *nargv, const char *ostr);\r
-\r
-#endif /* _GETOPT_H_ */\r
+/* last review : october 29th, 2002 */
+
+#ifndef _GETOPT_H_
+#define _GETOPT_H_
+
+extern int opterr;
+extern int optind;
+extern int optopt;
+extern int optreset;
+extern char *optarg;
+
+extern int getopt(int nargc, char *const *nargv, const char *ostr);
+
+#endif /* _GETOPT_H_ */
-/*\r
- * Copyright (c) 2001-2003, David Janssens\r
- * Copyright (c) 2002-2003, Yannick Verschueren\r
- * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe\r
- * Copyright (c) 2005, Hervé Drolon, FreeImage Team\r
- * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium\r
- * All rights reserved.\r
- *\r
- * Redistribution and use in source and binary forms, with or without\r
- * modification, are permitted provided that the following conditions\r
- * are met:\r
- * 1. Redistributions of source code must retain the above copyright\r
- * notice, this list of conditions and the following disclaimer.\r
- * 2. Redistributions in binary form must reproduce the above copyright\r
- * notice, this list of conditions and the following disclaimer in the\r
- * documentation and/or other materials provided with the distribution.\r
- *\r
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'\r
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE\r
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\r
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\r
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\r
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\r
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
- * POSSIBILITY OF SUCH DAMAGE.\r
- */\r
-#include <stdio.h>\r
-#include <stdlib.h>\r
-#include <string.h>\r
-#include "openjpeg.h"\r
-\r
-/*\r
- * Get logarithm of an integer and round downwards.\r
- *\r
- * log2(a)\r
- */\r
-static int int_floorlog2(int a) {\r
- int l;\r
- for (l = 0; a > 1; l++) {\r
- a >>= 1;\r
- }\r
- return l;\r
-}\r
-\r
-/*\r
- * Divide an integer by a power of 2 and round upwards.\r
- *\r
- * a divided by 2^b\r
- */\r
-static int int_ceildivpow2(int a, int b) {\r
- return (a + (1 << b) - 1) >> b;\r
-}\r
-\r
-/*\r
- * Divide an integer and round upwards.\r
- *\r
- * a divided by b\r
- */\r
-static int int_ceildiv(int a, int b) {\r
- return (a + b - 1) / b;\r
-}\r
-\r
-/* -->> -->> -->> -->>\r
-\r
- BMP IMAGE FORMAT\r
-\r
- <<-- <<-- <<-- <<-- */\r
-\r
-/* WORD defines a two byte word */\r
-typedef unsigned short int WORD;\r
-\r
-/* DWORD defines a four byte word */\r
-typedef unsigned long int DWORD;\r
-\r
-typedef struct {\r
- WORD bfType; /* 'BM' for Bitmap (19776) */\r
- DWORD bfSize; /* Size of the file */\r
- WORD bfReserved1; /* Reserved : 0 */\r
- WORD bfReserved2; /* Reserved : 0 */\r
- DWORD bfOffBits; /* Offset */\r
-} BITMAPFILEHEADER_t;\r
-\r
-typedef struct {\r
- DWORD biSize; /* Size of the structure in bytes */\r
- DWORD biWidth; /* Width of the image in pixels */\r
- DWORD biHeight; /* Heigth of the image in pixels */\r
- WORD biPlanes; /* 1 */\r
- WORD biBitCount; /* Number of color bits by pixels */\r
- DWORD biCompression; /* Type of encoding 0: none 1: RLE8 2: RLE4 */\r
- DWORD biSizeImage; /* Size of the image in bytes */\r
- DWORD biXpelsPerMeter; /* Horizontal (X) resolution in pixels/meter */\r
- DWORD biYpelsPerMeter; /* Vertical (Y) resolution in pixels/meter */\r
- DWORD biClrUsed; /* Number of color used in the image (0: ALL) */\r
- DWORD biClrImportant; /* Number of important color (0: ALL) */\r
-} BITMAPINFOHEADER_t;\r
-\r
-opj_image_t* bmptoimage(char *filename, opj_cparameters_t *parameters) {\r
- int subsampling_dx = parameters->subsampling_dx;\r
- int subsampling_dy = parameters->subsampling_dy;\r
-\r
- int i, numcomps, w, h;\r
- OPJ_COLOR_SPACE color_space;\r
- opj_image_cmptparm_t cmptparm[3]; /* maximum of 3 components */\r
- opj_image_t * image = NULL;\r
-\r
- FILE *IN;\r
- BITMAPFILEHEADER_t File_h;\r
- BITMAPINFOHEADER_t Info_h;\r
- unsigned char *RGB;\r
- unsigned char *table_R, *table_G, *table_B;\r
- unsigned int j, PAD = 0;\r
-\r
- int x, y, index;\r
- int gray_scale = 1, not_end_file = 1; \r
-\r
- unsigned int line = 0, col = 0;\r
- unsigned char v, v2;\r
- DWORD W, H;\r
- \r
- IN = fopen(filename, "rb");\r
- if (!IN) {\r
- fprintf(stderr, "\033[0;33mFailed to open %s for reading !!\033[0;39m\n", filename);\r
- return 0;\r
- }\r
- \r
- File_h.bfType = getc(IN);\r
- File_h.bfType = (getc(IN) << 8) + File_h.bfType;\r
- \r
- if (File_h.bfType != 19778) {\r
- fprintf(stderr,"Error, not a BMP file!\n");\r
- return 0;\r
- } else {\r
- /* FILE HEADER */\r
- /* ------------- */\r
- File_h.bfSize = getc(IN);\r
- File_h.bfSize = (getc(IN) << 8) + File_h.bfSize;\r
- File_h.bfSize = (getc(IN) << 16) + File_h.bfSize;\r
- File_h.bfSize = (getc(IN) << 24) + File_h.bfSize;\r
-\r
- File_h.bfReserved1 = getc(IN);\r
- File_h.bfReserved1 = (getc(IN) << 8) + File_h.bfReserved1;\r
-\r
- File_h.bfReserved2 = getc(IN);\r
- File_h.bfReserved2 = (getc(IN) << 8) + File_h.bfReserved2;\r
-\r
- File_h.bfOffBits = getc(IN);\r
- File_h.bfOffBits = (getc(IN) << 8) + File_h.bfOffBits;\r
- File_h.bfOffBits = (getc(IN) << 16) + File_h.bfOffBits;\r
- File_h.bfOffBits = (getc(IN) << 24) + File_h.bfOffBits;\r
-\r
- /* INFO HEADER */\r
- /* ------------- */\r
-\r
- Info_h.biSize = getc(IN);\r
- Info_h.biSize = (getc(IN) << 8) + Info_h.biSize;\r
- Info_h.biSize = (getc(IN) << 16) + Info_h.biSize;\r
- Info_h.biSize = (getc(IN) << 24) + Info_h.biSize;\r
-\r
- Info_h.biWidth = getc(IN);\r
- Info_h.biWidth = (getc(IN) << 8) + Info_h.biWidth;\r
- Info_h.biWidth = (getc(IN) << 16) + Info_h.biWidth;\r
- Info_h.biWidth = (getc(IN) << 24) + Info_h.biWidth;\r
- w = Info_h.biWidth;\r
-\r
- Info_h.biHeight = getc(IN);\r
- Info_h.biHeight = (getc(IN) << 8) + Info_h.biHeight;\r
- Info_h.biHeight = (getc(IN) << 16) + Info_h.biHeight;\r
- Info_h.biHeight = (getc(IN) << 24) + Info_h.biHeight;\r
- h = Info_h.biHeight;\r
-\r
- Info_h.biPlanes = getc(IN);\r
- Info_h.biPlanes = (getc(IN) << 8) + Info_h.biPlanes;\r
-\r
- Info_h.biBitCount = getc(IN);\r
- Info_h.biBitCount = (getc(IN) << 8) + Info_h.biBitCount;\r
-\r
- Info_h.biCompression = getc(IN);\r
- Info_h.biCompression = (getc(IN) << 8) + Info_h.biCompression;\r
- Info_h.biCompression = (getc(IN) << 16) + Info_h.biCompression;\r
- Info_h.biCompression = (getc(IN) << 24) + Info_h.biCompression;\r
-\r
- Info_h.biSizeImage = getc(IN);\r
- Info_h.biSizeImage = (getc(IN) << 8) + Info_h.biSizeImage;\r
- Info_h.biSizeImage = (getc(IN) << 16) + Info_h.biSizeImage;\r
- Info_h.biSizeImage = (getc(IN) << 24) + Info_h.biSizeImage;\r
-\r
- Info_h.biXpelsPerMeter = getc(IN);\r
- Info_h.biXpelsPerMeter = (getc(IN) << 8) + Info_h.biXpelsPerMeter;\r
- Info_h.biXpelsPerMeter = (getc(IN) << 16) + Info_h.biXpelsPerMeter;\r
- Info_h.biXpelsPerMeter = (getc(IN) << 24) + Info_h.biXpelsPerMeter;\r
-\r
- Info_h.biYpelsPerMeter = getc(IN);\r
- Info_h.biYpelsPerMeter = (getc(IN) << 8) + Info_h.biYpelsPerMeter;\r
- Info_h.biYpelsPerMeter = (getc(IN) << 16) + Info_h.biYpelsPerMeter;\r
- Info_h.biYpelsPerMeter = (getc(IN) << 24) + Info_h.biYpelsPerMeter;\r
-\r
- Info_h.biClrUsed = getc(IN);\r
- Info_h.biClrUsed = (getc(IN) << 8) + Info_h.biClrUsed;\r
- Info_h.biClrUsed = (getc(IN) << 16) + Info_h.biClrUsed;\r
- Info_h.biClrUsed = (getc(IN) << 24) + Info_h.biClrUsed;\r
-\r
- Info_h.biClrImportant = getc(IN);\r
- Info_h.biClrImportant = (getc(IN) << 8) + Info_h.biClrImportant;\r
- Info_h.biClrImportant = (getc(IN) << 16) + Info_h.biClrImportant;\r
- Info_h.biClrImportant = (getc(IN) << 24) + Info_h.biClrImportant;\r
-\r
- /* Read the data and store them in the OUT file */\r
- \r
- if (Info_h.biBitCount == 24) {\r
- numcomps = 3;\r
- color_space = CLRSPC_SRGB;\r
- /* initialize image components */\r
- memset(&cmptparm[0], 0, 3 * sizeof(opj_image_cmptparm_t));\r
- for(i = 0; i < numcomps; i++) {\r
- cmptparm[i].prec = 8;\r
- cmptparm[i].bpp = 8;\r
- cmptparm[i].sgnd = 0;\r
- cmptparm[i].dx = subsampling_dx;\r
- cmptparm[i].dy = subsampling_dy;\r
- cmptparm[i].w = w;\r
- cmptparm[i].h = h;\r
- }\r
- /* create the image */\r
- image = opj_image_create(numcomps, &cmptparm[0], color_space);\r
- if(!image) {\r
- fclose(IN);\r
- return NULL;\r
- }\r
-\r
- /* set image offset and reference grid */\r
- image->x0 = parameters->image_offset_x0;\r
- image->y0 = parameters->image_offset_y0;\r
- image->x1 = !image->x0 ? (w - 1) * subsampling_dx + 1 : image->x0 + (w - 1) * subsampling_dx + 1;\r
- image->y1 = !image->y0 ? (h - 1) * subsampling_dy + 1 : image->y0 + (h - 1) * subsampling_dy + 1;\r
-\r
- /* set image data */\r
-\r
- /* Place the cursor at the beginning of the image information */\r
- fseek(IN, 0, SEEK_SET);\r
- fseek(IN, File_h.bfOffBits, SEEK_SET);\r
- \r
- W = Info_h.biWidth;\r
- H = Info_h.biHeight;\r
-\r
- /* PAD = 4 - (3 * W) % 4; */\r
- /* PAD = (PAD == 4) ? 0 : PAD; */\r
- PAD = (3 * W) % 4 ? 4 - (3 * W) % 4 : 0;\r
- \r
- RGB = (unsigned char *) malloc((3 * W + PAD) * H * sizeof(unsigned char));\r
- \r
- fread(RGB, sizeof(unsigned char), (3 * W + PAD) * H, IN);\r
- \r
- index = 0;\r
-\r
- for(y = 0; y < (int)H; y++) {\r
- unsigned char *scanline = RGB + (3 * W + PAD) * (H - 1 - y);\r
- for(x = 0; x < (int)W; x++) {\r
- unsigned char *pixel = &scanline[3 * x];\r
- image->comps[0].data[index] = pixel[2]; /* R */\r
- image->comps[1].data[index] = pixel[1]; /* G */\r
- image->comps[2].data[index] = pixel[0]; /* B */\r
- index++;\r
- }\r
- }\r
-\r
- free(RGB);\r
-\r
- } else if (Info_h.biBitCount == 8 && Info_h.biCompression == 0) {\r
- table_R = (unsigned char *) malloc(256 * sizeof(unsigned char));\r
- table_G = (unsigned char *) malloc(256 * sizeof(unsigned char));\r
- table_B = (unsigned char *) malloc(256 * sizeof(unsigned char));\r
- \r
- for (j = 0; j < Info_h.biClrUsed; j++) {\r
- table_B[j] = getc(IN);\r
- table_G[j] = getc(IN);\r
- table_R[j] = getc(IN);\r
- getc(IN);\r
- if (table_R[j] != table_G[j] && table_R[j] != table_B[j] && table_G[j] != table_B[j])\r
- gray_scale = 0;\r
- }\r
- \r
- /* Place the cursor at the beginning of the image information */\r
- fseek(IN, 0, SEEK_SET);\r
- fseek(IN, File_h.bfOffBits, SEEK_SET);\r
- \r
- W = Info_h.biWidth;\r
- H = Info_h.biHeight;\r
- if (Info_h.biWidth % 2)\r
- W++;\r
- \r
- numcomps = gray_scale ? 1 : 3;\r
- color_space = gray_scale ? CLRSPC_GRAY : CLRSPC_SRGB;\r
- /* initialize image components */\r
- memset(&cmptparm[0], 0, 3 * sizeof(opj_image_cmptparm_t));\r
- for(i = 0; i < numcomps; i++) {\r
- cmptparm[i].prec = 8;\r
- cmptparm[i].bpp = 8;\r
- cmptparm[i].sgnd = 0;\r
- cmptparm[i].dx = subsampling_dx;\r
- cmptparm[i].dy = subsampling_dy;\r
- cmptparm[i].w = w;\r
- cmptparm[i].h = h;\r
- }\r
- /* create the image */\r
- image = opj_image_create(numcomps, &cmptparm[0], color_space);\r
- if(!image) {\r
- fclose(IN);\r
- return NULL;\r
- }\r
-\r
- /* set image offset and reference grid */\r
- image->x0 = parameters->image_offset_x0;\r
- image->y0 = parameters->image_offset_y0;\r
- image->x1 = !image->x0 ? (w - 1) * subsampling_dx + 1 : image->x0 + (w - 1) * subsampling_dx + 1;\r
- image->y1 = !image->y0 ? (h - 1) * subsampling_dy + 1 : image->y0 + (h - 1) * subsampling_dy + 1;\r
-\r
- /* set image data */\r
-\r
- RGB = (unsigned char *) malloc(W * H * sizeof(unsigned char));\r
- \r
- fread(RGB, sizeof(unsigned char), W * H, IN);\r
- if (gray_scale) {\r
- index = 0;\r
- for (j = 0; j < W * H; j++) {\r
- if ((j % W < W - 1 && Info_h.biWidth % 2) || !(Info_h.biWidth % 2)) {\r
- image->comps[0].data[index] = table_R[RGB[W * H - ((j) / (W) + 1) * W + (j) % (W)]];\r
- index++;\r
- }\r
- }\r
-\r
- } else { \r
- index = 0;\r
- for (j = 0; j < W * H; j++) {\r
- if ((j % W < W - 1 && Info_h.biWidth % 2) || !(Info_h.biWidth % 2)) {\r
- unsigned char pixel_index = RGB[W * H - ((j) / (W) + 1) * W + (j) % (W)];\r
- image->comps[0].data[index] = table_R[pixel_index];\r
- image->comps[1].data[index] = table_G[pixel_index];\r
- image->comps[2].data[index] = table_B[pixel_index];\r
- index++;\r
- }\r
- }\r
- }\r
- free(RGB);\r
- \r
- } else if (Info_h.biBitCount == 8 && Info_h.biCompression == 1) { \r
- table_R = (unsigned char *) malloc(256 * sizeof(unsigned char));\r
- table_G = (unsigned char *) malloc(256 * sizeof(unsigned char));\r
- table_B = (unsigned char *) malloc(256 * sizeof(unsigned char));\r
- \r
- for (j = 0; j < Info_h.biClrUsed; j++) {\r
- table_B[j] = getc(IN);\r
- table_G[j] = getc(IN);\r
- table_R[j] = getc(IN);\r
- getc(IN);\r
- if (table_R[j] != table_G[j] && table_R[j] != table_B[j] && table_G[j] != table_B[j])\r
- gray_scale = 0;\r
- }\r
-\r
- numcomps = gray_scale ? 1 : 3;\r
- color_space = gray_scale ? CLRSPC_GRAY : CLRSPC_SRGB;\r
- /* initialize image components */\r
- memset(&cmptparm[0], 0, 3 * sizeof(opj_image_cmptparm_t));\r
- for(i = 0; i < numcomps; i++) {\r
- cmptparm[i].prec = 8;\r
- cmptparm[i].bpp = 8;\r
- cmptparm[i].sgnd = 0;\r
- cmptparm[i].dx = subsampling_dx;\r
- cmptparm[i].dy = subsampling_dy;\r
- cmptparm[i].w = w;\r
- cmptparm[i].h = h;\r
- }\r
- /* create the image */\r
- image = opj_image_create(numcomps, &cmptparm[0], color_space);\r
- if(!image) {\r
- fclose(IN);\r
- return NULL;\r
- }\r
-\r
- /* set image offset and reference grid */\r
- image->x0 = parameters->image_offset_x0;\r
- image->y0 = parameters->image_offset_y0;\r
- image->x1 = !image->x0 ? (w - 1) * subsampling_dx + 1 : image->x0 + (w - 1) * subsampling_dx + 1;\r
- image->y1 = !image->y0 ? (h - 1) * subsampling_dy + 1 : image->y0 + (h - 1) * subsampling_dy + 1;\r
-\r
- /* set image data */\r
- \r
- /* Place the cursor at the beginning of the image information */\r
- fseek(IN, 0, SEEK_SET);\r
- fseek(IN, File_h.bfOffBits, SEEK_SET);\r
- \r
- RGB = (unsigned char *) malloc(Info_h.biWidth * Info_h.biHeight * sizeof(unsigned char));\r
- \r
- while (not_end_file) {\r
- v = getc(IN);\r
- if (v) {\r
- v2 = getc(IN);\r
- for (i = 0; i < (int) v; i++) {\r
- RGB[line * Info_h.biWidth + col] = v2;\r
- col++;\r
- }\r
- } else {\r
- v = getc(IN);\r
- switch (v) {\r
- case 0:\r
- col = 0;\r
- line++;\r
- break;\r
- case 1:\r
- line++;\r
- not_end_file = 0;\r
- break;\r
- case 2:\r
- fprintf(stderr,"No Delta supported\n");\r
- opj_image_destroy(image);\r
- fclose(IN);\r
- return NULL;\r
- break;\r
- default:\r
- for (i = 0; i < v; i++) {\r
- v2 = getc(IN);\r
- RGB[line * Info_h.biWidth + col] = v2;\r
- col++;\r
- }\r
- if (v % 2)\r
- v2 = getc(IN);\r
- break;\r
- }\r
- }\r
- }\r
- if (gray_scale) {\r
- index = 0;\r
- for (line = 0; line < Info_h.biHeight; line++) {\r
- for (col = 0; col < Info_h.biWidth; col++) {\r
- image->comps[0].data[index] = table_R[(int)RGB[(Info_h.biHeight - line - 1) * Info_h.biWidth + col]];\r
- index++;\r
- }\r
- }\r
- } else {\r
- index = 0;\r
- for (line = 0; line < Info_h.biHeight; line++) {\r
- for (col = 0; col < Info_h.biWidth; col++) {\r
- unsigned char pixel_index = (int)RGB[(Info_h.biHeight - line - 1) * Info_h.biWidth + col];\r
- image->comps[0].data[index] = table_R[pixel_index];\r
- image->comps[1].data[index] = table_G[pixel_index];\r
- image->comps[2].data[index] = table_B[pixel_index];\r
- index++;\r
- }\r
- }\r
- }\r
- free(RGB);\r
- } else {\r
- fprintf(stderr, \r
- "Other system than 24 bits/pixels or 8 bits (no RLE coding) is not yet implemented [%d]\n", Info_h.biBitCount);\r
- }\r
- fclose(IN);\r
- }\r
- \r
- return image;\r
-}\r
-\r
-int imagetobmp(opj_image_t * image, char *outfile) {\r
- int w, wr, h, hr;\r
- int i, pad;\r
- FILE *fdest = NULL;\r
-\r
- if (image->numcomps == 3 && image->comps[0].dx == image->comps[1].dx\r
- && image->comps[1].dx == image->comps[2].dx\r
- && image->comps[0].dy == image->comps[1].dy\r
- && image->comps[1].dy == image->comps[2].dy\r
- && image->comps[0].prec == image->comps[1].prec\r
- && image->comps[1].prec == image->comps[2].prec) {\r
- \r
- /* -->> -->> -->> -->> \r
- 24 bits color \r
- <<-- <<-- <<-- <<-- */\r
- \r
- fdest = fopen(outfile, "wb");\r
- if (!fdest) {\r
- fprintf(stderr, "ERROR -> failed to open %s for writing\n", outfile);\r
- return 1;\r
- }\r
- \r
- /* w = int_ceildiv(image->x1 - image->x0, image->comps[0].dx); */\r
- /* wr = int_ceildiv(int_ceildivpow2(image->x1 - image->x0,image->factor), image->comps[0].dx); */\r
- w = image->comps[0].w;\r
- wr = int_ceildivpow2(image->comps[0].w, image->comps[0].factor);\r
- \r
- /* h = int_ceildiv(image->y1 - image->y0, image->comps[0].dy); */\r
- /* hr = int_ceildiv(int_ceildivpow2(image->y1 - image->y0,image->factor), image->comps[0].dy); */\r
- h = image->comps[0].h;\r
- hr = int_ceildivpow2(image->comps[0].h, image->comps[0].factor);\r
- \r
- fprintf(fdest, "BM");\r
- \r
- /* FILE HEADER */\r
- /* ------------- */\r
- fprintf(fdest, "%c%c%c%c",\r
- (unsigned char) (hr * wr * 3 + 3 * hr * (wr % 2) + 54) & 0xff,\r
- (unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 2) + 54) >> 8) & 0xff,\r
- (unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 2) + 54) >> 16) & 0xff,\r
- (unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 2) + 54) >> 24) & 0xff);\r
- fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);\r
- fprintf(fdest, "%c%c%c%c", (54) & 0xff, ((54) >> 8) & 0xff,((54) >> 16) & 0xff, ((54) >> 24) & 0xff);\r
- \r
- /* INFO HEADER */\r
- /* ------------- */\r
- fprintf(fdest, "%c%c%c%c", (40) & 0xff, ((40) >> 8) & 0xff, ((40) >> 16) & 0xff, ((40) >> 24) & 0xff);\r
- fprintf(fdest, "%c%c%c%c", (unsigned char) ((wr) & 0xff),\r
- (unsigned char) ((wr) >> 8) & 0xff,\r
- (unsigned char) ((wr) >> 16) & 0xff,\r
- (unsigned char) ((wr) >> 24) & 0xff);\r
- fprintf(fdest, "%c%c%c%c", (unsigned char) ((hr) & 0xff),\r
- (unsigned char) ((hr) >> 8) & 0xff,\r
- (unsigned char) ((hr) >> 16) & 0xff,\r
- (unsigned char) ((hr) >> 24) & 0xff);\r
- fprintf(fdest, "%c%c", (1) & 0xff, ((1) >> 8) & 0xff);\r
- fprintf(fdest, "%c%c", (24) & 0xff, ((24) >> 8) & 0xff);\r
- fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);\r
- fprintf(fdest, "%c%c%c%c", (unsigned char) (3 * hr * wr + 3 * hr * (wr % 2)) & 0xff,\r
- (unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 2)) >> 8) & 0xff,\r
- (unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 2)) >> 16) & 0xff,\r
- (unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 2)) >> 24) & 0xff);\r
- fprintf(fdest, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff, ((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);\r
- fprintf(fdest, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff, ((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);\r
- fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);\r
- fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);\r
- \r
- for (i = 0; i < wr * hr; i++) {\r
- unsigned char R, G, B;\r
- /* a modifier */\r
- /* R = image->comps[0].data[w * h - ((i) / (w) + 1) * w + (i) % (w)]; */\r
- R = image->comps[0].data[w * hr - ((i) / (wr) + 1) * w + (i) % (wr)];\r
- /* G = image->comps[1].data[w * h - ((i) / (w) + 1) * w + (i) % (w)]; */\r
- G = image->comps[1].data[w * hr - ((i) / (wr) + 1) * w + (i) % (wr)];\r
- /* B = image->comps[2].data[w * h - ((i) / (w) + 1) * w + (i) % (w)]; */\r
- B = image->comps[2].data[w * hr - ((i) / (wr) + 1) * w + (i) % (wr)];\r
- fprintf(fdest, "%c%c%c", B, G, R);\r
- \r
- if ((i + 1) % wr == 0) {\r
- for (pad = (3 * wr) % 4 ? 4 - (3 * wr) % 4 : 0; pad > 0; pad--) /* ADD */\r
- fprintf(fdest, "%c", 0);\r
- }\r
- }\r
- fclose(fdest);\r
- } else { /* Gray-scale */\r
-\r
- /* -->> -->> -->> -->>\r
- 8 bits non code (Gray scale)\r
- <<-- <<-- <<-- <<-- */\r
-\r
- fdest = fopen(outfile, "wb");\r
- /* w = int_ceildiv(image->x1 - image->x0, image->comps[0].dx); */\r
- /* wr = int_ceildiv(int_ceildivpow2(image->x1 - image->x0,image->factor), image->comps[0].dx); */\r
- w = image->comps[0].w;\r
- wr = int_ceildivpow2(image->comps[0].w, image->comps[0].factor);\r
- \r
- /* h = int_ceildiv(image->y1 - image->y0, image->comps[0].dy); */\r
- /* hr = int_ceildiv(int_ceildivpow2(image->y1 - image->y0,image->factor), image->comps[0].dy); */\r
- h = image->comps[0].h;\r
- hr = int_ceildivpow2(image->comps[0].h, image->comps[0].factor);\r
- \r
- fprintf(fdest, "BM");\r
- \r
- /* FILE HEADER */\r
- /* ------------- */\r
- fprintf(fdest, "%c%c%c%c", (unsigned char) (hr * wr + 54 + 1024 + hr * (wr % 2)) & 0xff,\r
- (unsigned char) ((hr * wr + 54 + 1024 + hr * (wr % 2)) >> 8) & 0xff,\r
- (unsigned char) ((hr * wr + 54 + 1024 + hr * (wr % 2)) >> 16) & 0xff,\r
- (unsigned char) ((hr * wr + 54 + 1024 + wr * (wr % 2)) >> 24) & 0xff);\r
- fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);\r
- fprintf(fdest, "%c%c%c%c", (54 + 1024) & 0xff, ((54 + 1024) >> 8) & 0xff, \r
- ((54 + 1024) >> 16) & 0xff,\r
- ((54 + 1024) >> 24) & 0xff);\r
- \r
- /* INFO HEADER */\r
- /* ------------- */\r
- fprintf(fdest, "%c%c%c%c", (40) & 0xff, ((40) >> 8) & 0xff, ((40) >> 16) & 0xff, ((40) >> 24) & 0xff);\r
- fprintf(fdest, "%c%c%c%c", (unsigned char) ((wr) & 0xff),\r
- (unsigned char) ((wr) >> 8) & 0xff,\r
- (unsigned char) ((wr) >> 16) & 0xff,\r
- (unsigned char) ((wr) >> 24) & 0xff);\r
- fprintf(fdest, "%c%c%c%c", (unsigned char) ((hr) & 0xff),\r
- (unsigned char) ((hr) >> 8) & 0xff,\r
- (unsigned char) ((hr) >> 16) & 0xff,\r
- (unsigned char) ((hr) >> 24) & 0xff);\r
- fprintf(fdest, "%c%c", (1) & 0xff, ((1) >> 8) & 0xff);\r
- fprintf(fdest, "%c%c", (8) & 0xff, ((8) >> 8) & 0xff);\r
- fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);\r
- fprintf(fdest, "%c%c%c%c", (unsigned char) (hr * wr + hr * (wr % 2)) & 0xff,\r
- (unsigned char) ((hr * wr + hr * (wr % 2)) >> 8) & 0xff,\r
- (unsigned char) ((hr * wr + hr * (wr % 2)) >> 16) & 0xff,\r
- (unsigned char) ((hr * wr + hr * (wr % 2)) >> 24) & 0xff);\r
- fprintf(fdest, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff, ((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);\r
- fprintf(fdest, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff, ((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);\r
- fprintf(fdest, "%c%c%c%c", (256) & 0xff, ((256) >> 8) & 0xff, ((256) >> 16) & 0xff, ((256) >> 24) & 0xff);\r
- fprintf(fdest, "%c%c%c%c", (256) & 0xff, ((256) >> 8) & 0xff, ((256) >> 16) & 0xff, ((256) >> 24) & 0xff);\r
- }\r
-\r
- for (i = 0; i < 256; i++) {\r
- fprintf(fdest, "%c%c%c%c", i, i, i, 0);\r
- }\r
-\r
- for (i = 0; i < wr * hr; i++) {\r
- /* a modifier !! */\r
- /* fprintf(fdest, "%c", image->comps[0].data[w * h - ((i) / (w) + 1) * w + (i) % (w)]); */\r
- fprintf(fdest, "%c", image->comps[0].data[w * hr - ((i) / (wr) + 1) * w + (i) % (wr)]);\r
- /*if (((i + 1) % w == 0 && w % 2))\r
- fprintf(fdest, "%c", 0); */\r
- if ((i + 1) % wr == 0) {\r
- for (pad = wr % 4 ? 4 - wr % 4 : 0; pad > 0; pad--) /* ADD */\r
- fprintf(fdest, "%c", 0);\r
- }\r
- }\r
- fclose(fdest);\r
-\r
- return 0;\r
-}\r
-\r
-/* -->> -->> -->> -->>\r
-\r
-PGX IMAGE FORMAT\r
-\r
-<<-- <<-- <<-- <<-- */\r
-\r
-\r
-unsigned char readuchar(FILE * f)\r
-{\r
- unsigned char c1;\r
- fread(&c1, 1, 1, f);\r
- return c1;\r
-}\r
-\r
-unsigned short readushort(FILE * f, int bigendian)\r
-{\r
- unsigned char c1, c2;\r
- fread(&c1, 1, 1, f);\r
- fread(&c2, 1, 1, f);\r
- if (bigendian)\r
- return (c1 << 8) + c2;\r
- else\r
- return (c2 << 8) + c1;\r
-}\r
-\r
-unsigned int readuint(FILE * f, int bigendian)\r
-{\r
- unsigned char c1, c2, c3, c4;\r
- fread(&c1, 1, 1, f);\r
- fread(&c2, 1, 1, f);\r
- fread(&c3, 1, 1, f);\r
- fread(&c4, 1, 1, f);\r
- if (bigendian)\r
- return (c1 << 24) + (c2 << 16) + (c3 << 8) + c4;\r
- else\r
- return (c4 << 24) + (c3 << 16) + (c2 << 8) + c1;\r
-}\r
-\r
-opj_image_t* pgxtoimage(char *filename, opj_cparameters_t *parameters) {\r
- FILE *f = NULL;\r
- int w, h, prec;\r
- int i, numcomps, max;\r
- OPJ_COLOR_SPACE color_space;\r
- opj_image_cmptparm_t cmptparm; /* maximum of 1 component */\r
- opj_image_t * image = NULL;\r
-\r
- char endian1,endian2,sign;\r
- char signtmp[32];\r
-\r
- char temp[32];\r
- int bigendian;\r
- opj_image_comp_t *comp = NULL;\r
-\r
- numcomps = 1;\r
- color_space = CLRSPC_GRAY;\r
-\r
- memset(&cmptparm, 0, sizeof(opj_image_cmptparm_t));\r
-\r
- max = 0;\r
-\r
- f = fopen(filename, "rb");\r
- if (!f) {\r
- fprintf(stderr, "Failed to open %s for reading !\n", filename);\r
- return NULL;\r
- }\r
-\r
- fseek(f, 0, SEEK_SET);\r
- fscanf(f, "PG%[ \t]%c%c%[ \t+-]%d%[ \t]%d%[ \t]%d",temp,&endian1,&endian2,signtmp,&prec,temp,&w,temp,&h);\r
- \r
- i=0;\r
- sign='+'; \r
- while (signtmp[i]!='\0') {\r
- if (signtmp[i]=='-') sign='-';\r
- i++;\r
- }\r
- \r
- fgetc(f);\r
- if (endian1=='M' && endian2=='L') {\r
- bigendian = 1;\r
- } else if (endian2=='M' && endian1=='L') {\r
- bigendian = 0;\r
- } else {\r
- fprintf(stderr, "Bad pgx header, please check input file\n");\r
- return NULL;\r
- }\r
-\r
- /* initialize image component */\r
-\r
- cmptparm.x0 = parameters->image_offset_x0;\r
- cmptparm.y0 = parameters->image_offset_y0;\r
- cmptparm.w = !cmptparm.x0 ? (w - 1) * parameters->subsampling_dx + 1 : cmptparm.x0 + (w - 1) * parameters->subsampling_dx + 1;\r
- cmptparm.h = !cmptparm.y0 ? (h - 1) * parameters->subsampling_dy + 1 : cmptparm.y0 + (h - 1) * parameters->subsampling_dy + 1;\r
- \r
- if (sign == '-') {\r
- cmptparm.sgnd = 1;\r
- } else {\r
- cmptparm.sgnd = 0;\r
- }\r
- cmptparm.prec = prec;\r
- cmptparm.bpp = prec;\r
- cmptparm.dx = parameters->subsampling_dx;\r
- cmptparm.dy = parameters->subsampling_dy;\r
- \r
- /* create the image */\r
- image = opj_image_create(numcomps, &cmptparm, color_space);\r
- if(!image) {\r
- fclose(f);\r
- return NULL;\r
- }\r
- /* set image offset and reference grid */\r
- image->x0 = cmptparm.x0;\r
- image->y0 = cmptparm.x0;\r
- image->x1 = cmptparm.w;\r
- image->y1 = cmptparm.h;\r
-\r
- /* set image data */\r
-\r
- comp = &image->comps[0];\r
-\r
- for (i = 0; i < w * h; i++) {\r
- int v;\r
- if (comp->prec <= 8) {\r
- if (!comp->sgnd) {\r
- v = readuchar(f);\r
- } else {\r
- v = (char) readuchar(f);\r
- }\r
- } else if (comp->prec <= 16) {\r
- if (!comp->sgnd) {\r
- v = readushort(f, bigendian);\r
- } else {\r
- v = (short) readushort(f, bigendian);\r
- }\r
- } else {\r
- if (!comp->sgnd) {\r
- v = readuint(f, bigendian);\r
- } else {\r
- v = (int) readuint(f, bigendian);\r
- }\r
- }\r
- if (v > max)\r
- max = v;\r
- comp->data[i] = v;\r
- }\r
- fclose(f);\r
- comp->bpp = int_floorlog2(max) + 1;\r
-\r
- return image;\r
-}\r
-\r
-int imagetopgx(opj_image_t * image, char *outfile) {\r
- int w, wr, h, hr;\r
- int i, j, compno;\r
- FILE *fdest = NULL;\r
-\r
- for (compno = 0; compno < image->numcomps; compno++) {\r
- opj_image_comp_t *comp = &image->comps[compno];\r
- char name[256];\r
- int nbytes = 0;\r
- char *tmp = outfile;\r
- while (*tmp) {\r
- tmp++;\r
- }\r
- while (*tmp!='.') {\r
- tmp--;\r
- }\r
- *tmp='\0';\r
-\r
- if (image->numcomps > 1) {\r
- sprintf(name, "%s-%d.pgx", outfile, compno);\r
- } else {\r
- sprintf(name, "%s.pgx", outfile);\r
- }\r
- fdest = fopen(name, "wb");\r
- if (!fdest) {\r
- fprintf(stderr, "ERROR -> failed to open %s for writing\n", name);\r
- return 1;\r
- }\r
- /* w = int_ceildiv(image->x1 - image->x0, comp->dx); */\r
- /* wr = int_ceildiv(int_ceildivpow2(image->x1 - image->x0,image->factor), comp->dx); */\r
- w = image->comps[compno].w;\r
- wr = int_ceildivpow2(image->comps[compno].w, image->comps[compno].factor);\r
- \r
- /* h = int_ceildiv(image->y1 - image->y0, comp->dy); */\r
- /* hr = int_ceildiv(int_ceildivpow2(image->y1 - image->y0,image->factor), comp->dy); */\r
- h = image->comps[compno].h;\r
- hr = int_ceildivpow2(image->comps[compno].h, image->comps[compno].factor);\r
- \r
- fprintf(fdest, "PG ML %c %d %d %d\n", comp->sgnd ? '-' : '+', comp->prec, wr, hr);\r
- if (comp->prec <= 8) {\r
- nbytes = 1;\r
- } else if (comp->prec <= 16) {\r
- nbytes = 2;\r
- } else {\r
- nbytes = 4;\r
- }\r
- for (i = 0; i < wr * hr; i++) {\r
- int v = image->comps[compno].data[i / wr * w + i % wr];\r
- for (j = nbytes - 1; j >= 0; j--) {\r
- char byte = (char) (v >> (j * 8));\r
- fwrite(&byte, 1, 1, fdest);\r
- }\r
- }\r
- fclose(fdest);\r
- }\r
-\r
- return 0;\r
-}\r
-\r
-/* -->> -->> -->> -->>\r
-\r
-PNM IMAGE FORMAT\r
-\r
-<<-- <<-- <<-- <<-- */\r
-\r
-opj_image_t* pnmtoimage(char *filename, opj_cparameters_t *parameters) {\r
- int subsampling_dx = parameters->subsampling_dx;\r
- int subsampling_dy = parameters->subsampling_dy;\r
-\r
- FILE *f = NULL;\r
- int i, compno, numcomps, w, h;\r
- OPJ_COLOR_SPACE color_space;\r
- opj_image_cmptparm_t cmptparm[3]; /* maximum of 3 components */\r
- opj_image_t * image = NULL;\r
- char value;\r
- char comment[256];\r
-\r
- f = fopen(filename, "rb");\r
- if (!f) {\r
- fprintf(stderr, "\033[0;33mFailed to open %s for reading !!\033[0;39m\n", filename);\r
- return 0;\r
- }\r
-\r
- if (fgetc(f) != 'P')\r
- return 0;\r
- value = fgetc(f);\r
-\r
- switch(value) {\r
- case '2': /* greyscale image type */\r
- case '5':\r
- {\r
- numcomps = 1;\r
- color_space = CLRSPC_GRAY;\r
-\r
- fgetc(f);\r
-\r
- if (fgetc(f) == '#') {\r
- /* skip comments */\r
- fseek(f, 0, SEEK_SET);\r
- if (value == '2') {\r
- fscanf(f, "P2\n");\r
- } else if (value == '5') {\r
- fscanf(f, "P5\n");\r
- }\r
- fgets(comment, 256, f);\r
- fscanf(f, "%d %d\n255", &w, &h);\r
- } else {\r
- fseek(f, 0, SEEK_SET);\r
- if (value == '2') {\r
- fscanf(f, "P2\n%d %d\n255", &w, &h);\r
- } else if (value == '5') {\r
- fscanf(f, "P5\n%d %d\n255", &w, &h);\r
- }\r
- }\r
- \r
- fgetc(f); /* <cr><lf> */\r
- }\r
- break;\r
-\r
- case '3': /* RGB image type */\r
- case '6':\r
- {\r
- numcomps = 3;\r
- color_space = CLRSPC_SRGB;\r
-\r
- fgetc(f);\r
-\r
- if (fgetc(f) == '#') {\r
- /* skip comments */\r
- fseek(f, 0, SEEK_SET);\r
- if (value == '3') {\r
- fscanf(f, "P3\n");\r
- } else if (value == '6') {\r
- fscanf(f, "P6\n");\r
- }\r
- fgets(comment, 256, f);\r
- fscanf(f, "%d %d\n255", &w, &h);\r
- } else {\r
- fseek(f, 0, SEEK_SET);\r
- if (value == '3') {\r
- fscanf(f, "P3\n%d %d\n255", &w, &h);\r
- } else if (value == '6') {\r
- fscanf(f, "P6\n%d %d\n255", &w, &h);\r
- }\r
- }\r
- \r
- fgetc(f); /* <cr><lf> */\r
- }\r
- break;\r
-\r
- default:\r
- fclose(f);\r
- return NULL;\r
- }\r
-\r
- /* initialize image components */\r
- memset(&cmptparm[0], 0, 3 * sizeof(opj_image_cmptparm_t));\r
- for(i = 0; i < numcomps; i++) {\r
- cmptparm[i].prec = 8;\r
- cmptparm[i].bpp = 8;\r
- cmptparm[i].sgnd = 0;\r
- cmptparm[i].dx = subsampling_dx;\r
- cmptparm[i].dy = subsampling_dy;\r
- cmptparm[i].w = w;\r
- cmptparm[i].h = h;\r
- }\r
- /* create the image */\r
- image = opj_image_create(numcomps, &cmptparm[0], color_space);\r
- if(!image) {\r
- fclose(f);\r
- return NULL;\r
- }\r
-\r
- /* set image offset and reference grid */\r
- image->x0 = parameters->image_offset_x0;\r
- image->y0 = parameters->image_offset_y0;\r
- image->x1 = parameters->image_offset_x0 + (w - 1) * subsampling_dx + 1;\r
- image->y1 = parameters->image_offset_y0 + (h - 1) * subsampling_dy + 1;\r
-\r
- /* set image data */\r
-\r
- if ((value == '2') || (value == '3')) { /* ASCII */\r
- for (i = 0; i < w * h; i++) {\r
- for(compno = 0; compno < numcomps; compno++) {\r
- unsigned int index = 0;\r
- fscanf(f, "%u", &index);\r
- /* compno : 0 = GREY, (0, 1, 2) = (R, G, B) */\r
- image->comps[compno].data[i] = index;\r
- }\r
- }\r
- } else if ((value == '5') || (value == '6')) { /* BINARY */\r
- for (i = 0; i < w * h; i++) {\r
- for(compno = 0; compno < numcomps; compno++) {\r
- unsigned char index = 0;\r
- fread(&index, 1, 1, f);\r
- /* compno : 0 = GREY, (0, 1, 2) = (R, G, B) */\r
- image->comps[compno].data[i] = index;\r
- }\r
- }\r
- }\r
-\r
- fclose(f);\r
-\r
- return image;\r
-}\r
-\r
-int imagetopnm(opj_image_t * image, char *outfile) {\r
- int w, wr, wrr, h, hr, hrr, max;\r
- int i, compno;\r
- int adjust;\r
- FILE *fdest = NULL;\r
- char S2;\r
- char *tmp = outfile;\r
-\r
- while (*tmp) {\r
- tmp++;\r
- }\r
- tmp--;\r
- tmp--;\r
- S2 = *tmp;\r
-\r
- if (image->numcomps == 3 && image->comps[0].dx == image->comps[1].dx\r
- && image->comps[1].dx == image->comps[2].dx\r
- && image->comps[0].dy == image->comps[1].dy\r
- && image->comps[1].dy == image->comps[2].dy\r
- && image->comps[0].prec == image->comps[1].prec\r
- && image->comps[1].prec == image->comps[2].prec\r
- && S2 !='g' && S2 !='G') {\r
-\r
- fdest = fopen(outfile, "wb");\r
- if (!fdest) {\r
- fprintf(stderr, "ERROR -> failed to open %s for writing\n", outfile);\r
- return 1;\r
- }\r
-\r
- w = int_ceildiv(image->x1 - image->x0, image->comps[0].dx);\r
- /* wr = int_ceildiv(int_ceildivpow2(image->x1 - image->x0,image->factor),image->comps[0].dx); */\r
- wr = image->comps[0].w;\r
- wrr = int_ceildivpow2(image->comps[0].w, image->comps[0].factor);\r
- \r
- h = int_ceildiv(image->y1 - image->y0, image->comps[0].dy);\r
- /* hr = int_ceildiv(int_ceildivpow2(image->y1 - image->y0,image->factor), image->comps[0].dy); */\r
- hr = image->comps[0].h;\r
- hrr = int_ceildivpow2(image->comps[0].h, image->comps[0].factor);\r
- \r
- max = image->comps[0].prec > 8 ? 255 : (1 << image->comps[0].prec) - 1;\r
- \r
- image->comps[0].x0 = int_ceildivpow2(image->comps[0].x0 - int_ceildiv(image->x0, image->comps[0].dx), image->comps[0].factor);\r
- image->comps[0].y0 = int_ceildivpow2(image->comps[0].y0 - int_ceildiv(image->y0, image->comps[0].dy), image->comps[0].factor);\r
-\r
- fprintf(fdest, "P6\n%d %d\n%d\n", wrr, hrr, max);\r
- adjust = image->comps[0].prec > 8 ? image->comps[0].prec - 8 : 0;\r
- for (i = 0; i < wrr * hrr; i++) {\r
- int r, g, b;\r
- unsigned char rc,gc,bc;\r
- r = image->comps[0].data[i / wrr * wr + i % wrr];\r
- r += (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0);\r
- rc = (unsigned char) ((r >> adjust)+((r >> (adjust-1))%2));\r
-\r
- g = image->comps[1].data[i / wrr * wr + i % wrr];\r
- g += (image->comps[1].sgnd ? 1 << (image->comps[1].prec - 1) : 0);\r
- gc = (unsigned char) ((g >> adjust)+((g >> (adjust-1))%2));\r
- \r
- b = image->comps[2].data[i / wrr * wr + i % wrr];\r
- b += (image->comps[2].sgnd ? 1 << (image->comps[2].prec - 1) : 0);\r
- bc = (unsigned char) ((b >> adjust)+((b >> (adjust-1))%2));\r
- \r
- fprintf(fdest, "%c%c%c", rc, gc, bc);\r
- }\r
- fclose(fdest);\r
- } else {\r
- int ncomp=(S2=='g' || S2=='G')?1:image->numcomps;\r
- if (image->numcomps>ncomp) {\r
- fprintf(stderr,"WARNING -> [PGM files] Only the first component\n");\r
- fprintf(stderr," is written to the file\n");\r
- }\r
- for (compno = 0; compno < ncomp; compno++) {\r
- char name[256];\r
- if (ncomp > 1) {\r
- sprintf(name, "%d.%s", compno, outfile);\r
- } else {\r
- sprintf(name, "%s", outfile);\r
- }\r
- \r
- fdest = fopen(name, "wb");\r
- if (!fdest) {\r
- fprintf(stderr, "ERROR -> failed to open %s for writing\n", name);\r
- return 1;\r
- }\r
- \r
- w = int_ceildiv(image->x1 - image->x0, image->comps[compno].dx);\r
- /* wr = int_ceildiv(int_ceildivpow2(image->x1 - image->x0,image->factor),image->comps[compno].dx); */\r
- wr = image->comps[compno].w;\r
- wrr = int_ceildivpow2(image->comps[compno].w, image->comps[compno].factor);\r
- \r
- h = int_ceildiv(image->y1 - image->y0, image->comps[compno].dy);\r
- /* hr = int_ceildiv(int_ceildivpow2(image->y1 - image->y0,image->factor), image->comps[compno].dy); */\r
- hr = image->comps[compno].h;\r
- hrr = int_ceildivpow2(image->comps[compno].h, image->comps[compno].factor);\r
- \r
- max = image->comps[compno].prec > 8 ? 255 : (1 << image->comps[compno].prec) - 1;\r
- \r
- image->comps[compno].x0 = int_ceildivpow2(image->comps[compno].x0 - int_ceildiv(image->x0, image->comps[compno].dx), image->comps[compno].factor);\r
- image->comps[compno].y0 = int_ceildivpow2(image->comps[compno].y0 - int_ceildiv(image->y0, image->comps[compno].dy), image->comps[compno].factor);\r
- \r
- fprintf(fdest, "P5\n%d %d\n%d\n", wrr, hrr, max);\r
- adjust = image->comps[compno].prec > 8 ? image->comps[compno].prec - 8 : 0;\r
-\r
- for (i = 0; i < wrr * hrr; i++) {\r
- int l;\r
- unsigned char lc;\r
- l = image->comps[compno].data[i / wrr * wr + i % wrr];\r
- l += (image->comps[compno].sgnd ? 1 << (image->comps[compno].prec - 1) : 0);\r
- lc = (unsigned char) ((l >> adjust)+((l >> (adjust-1))%2));\r
- fprintf(fdest, "%c", lc);\r
- }\r
- fclose(fdest);\r
- }\r
- }\r
-\r
- return 0;\r
-}\r
+/*
+ * Copyright (c) 2001-2003, David Janssens
+ * Copyright (c) 2002-2003, Yannick Verschueren
+ * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
+ * Copyright (c) 2005, Hervé Drolon, FreeImage Team
+ * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "openjpeg.h"
+
+/*
+ * Get logarithm of an integer and round downwards.
+ *
+ * log2(a)
+ */
+static int int_floorlog2(int a) {
+ int l;
+ for (l = 0; a > 1; l++) {
+ a >>= 1;
+ }
+ return l;
+}
+
+/*
+ * Divide an integer by a power of 2 and round upwards.
+ *
+ * a divided by 2^b
+ */
+static int int_ceildivpow2(int a, int b) {
+ return (a + (1 << b) - 1) >> b;
+}
+
+/*
+ * Divide an integer and round upwards.
+ *
+ * a divided by b
+ */
+static int int_ceildiv(int a, int b) {
+ return (a + b - 1) / b;
+}
+
+/* -->> -->> -->> -->>
+
+ BMP IMAGE FORMAT
+
+ <<-- <<-- <<-- <<-- */
+
+/* WORD defines a two byte word */
+typedef unsigned short int WORD;
+
+/* DWORD defines a four byte word */
+typedef unsigned long int DWORD;
+
+typedef struct {
+ WORD bfType; /* 'BM' for Bitmap (19776) */
+ DWORD bfSize; /* Size of the file */
+ WORD bfReserved1; /* Reserved : 0 */
+ WORD bfReserved2; /* Reserved : 0 */
+ DWORD bfOffBits; /* Offset */
+} BITMAPFILEHEADER_t;
+
+typedef struct {
+ DWORD biSize; /* Size of the structure in bytes */
+ DWORD biWidth; /* Width of the image in pixels */
+ DWORD biHeight; /* Heigth of the image in pixels */
+ WORD biPlanes; /* 1 */
+ WORD biBitCount; /* Number of color bits by pixels */
+ DWORD biCompression; /* Type of encoding 0: none 1: RLE8 2: RLE4 */
+ DWORD biSizeImage; /* Size of the image in bytes */
+ DWORD biXpelsPerMeter; /* Horizontal (X) resolution in pixels/meter */
+ DWORD biYpelsPerMeter; /* Vertical (Y) resolution in pixels/meter */
+ DWORD biClrUsed; /* Number of color used in the image (0: ALL) */
+ DWORD biClrImportant; /* Number of important color (0: ALL) */
+} BITMAPINFOHEADER_t;
+
+opj_image_t* bmptoimage(char *filename, opj_cparameters_t *parameters) {
+ int subsampling_dx = parameters->subsampling_dx;
+ int subsampling_dy = parameters->subsampling_dy;
+
+ int i, numcomps, w, h;
+ OPJ_COLOR_SPACE color_space;
+ opj_image_cmptparm_t cmptparm[3]; /* maximum of 3 components */
+ opj_image_t * image = NULL;
+
+ FILE *IN;
+ BITMAPFILEHEADER_t File_h;
+ BITMAPINFOHEADER_t Info_h;
+ unsigned char *RGB;
+ unsigned char *table_R, *table_G, *table_B;
+ unsigned int j, PAD = 0;
+
+ int x, y, index;
+ int gray_scale = 1, not_end_file = 1;
+
+ unsigned int line = 0, col = 0;
+ unsigned char v, v2;
+ DWORD W, H;
+
+ IN = fopen(filename, "rb");
+ if (!IN) {
+ fprintf(stderr, "\033[0;33mFailed to open %s for reading !!\033[0;39m\n", filename);
+ return 0;
+ }
+
+ File_h.bfType = getc(IN);
+ File_h.bfType = (getc(IN) << 8) + File_h.bfType;
+
+ if (File_h.bfType != 19778) {
+ fprintf(stderr,"Error, not a BMP file!\n");
+ return 0;
+ } else {
+ /* FILE HEADER */
+ /* ------------- */
+ File_h.bfSize = getc(IN);
+ File_h.bfSize = (getc(IN) << 8) + File_h.bfSize;
+ File_h.bfSize = (getc(IN) << 16) + File_h.bfSize;
+ File_h.bfSize = (getc(IN) << 24) + File_h.bfSize;
+
+ File_h.bfReserved1 = getc(IN);
+ File_h.bfReserved1 = (getc(IN) << 8) + File_h.bfReserved1;
+
+ File_h.bfReserved2 = getc(IN);
+ File_h.bfReserved2 = (getc(IN) << 8) + File_h.bfReserved2;
+
+ File_h.bfOffBits = getc(IN);
+ File_h.bfOffBits = (getc(IN) << 8) + File_h.bfOffBits;
+ File_h.bfOffBits = (getc(IN) << 16) + File_h.bfOffBits;
+ File_h.bfOffBits = (getc(IN) << 24) + File_h.bfOffBits;
+
+ /* INFO HEADER */
+ /* ------------- */
+
+ Info_h.biSize = getc(IN);
+ Info_h.biSize = (getc(IN) << 8) + Info_h.biSize;
+ Info_h.biSize = (getc(IN) << 16) + Info_h.biSize;
+ Info_h.biSize = (getc(IN) << 24) + Info_h.biSize;
+
+ Info_h.biWidth = getc(IN);
+ Info_h.biWidth = (getc(IN) << 8) + Info_h.biWidth;
+ Info_h.biWidth = (getc(IN) << 16) + Info_h.biWidth;
+ Info_h.biWidth = (getc(IN) << 24) + Info_h.biWidth;
+ w = Info_h.biWidth;
+
+ Info_h.biHeight = getc(IN);
+ Info_h.biHeight = (getc(IN) << 8) + Info_h.biHeight;
+ Info_h.biHeight = (getc(IN) << 16) + Info_h.biHeight;
+ Info_h.biHeight = (getc(IN) << 24) + Info_h.biHeight;
+ h = Info_h.biHeight;
+
+ Info_h.biPlanes = getc(IN);
+ Info_h.biPlanes = (getc(IN) << 8) + Info_h.biPlanes;
+
+ Info_h.biBitCount = getc(IN);
+ Info_h.biBitCount = (getc(IN) << 8) + Info_h.biBitCount;
+
+ Info_h.biCompression = getc(IN);
+ Info_h.biCompression = (getc(IN) << 8) + Info_h.biCompression;
+ Info_h.biCompression = (getc(IN) << 16) + Info_h.biCompression;
+ Info_h.biCompression = (getc(IN) << 24) + Info_h.biCompression;
+
+ Info_h.biSizeImage = getc(IN);
+ Info_h.biSizeImage = (getc(IN) << 8) + Info_h.biSizeImage;
+ Info_h.biSizeImage = (getc(IN) << 16) + Info_h.biSizeImage;
+ Info_h.biSizeImage = (getc(IN) << 24) + Info_h.biSizeImage;
+
+ Info_h.biXpelsPerMeter = getc(IN);
+ Info_h.biXpelsPerMeter = (getc(IN) << 8) + Info_h.biXpelsPerMeter;
+ Info_h.biXpelsPerMeter = (getc(IN) << 16) + Info_h.biXpelsPerMeter;
+ Info_h.biXpelsPerMeter = (getc(IN) << 24) + Info_h.biXpelsPerMeter;
+
+ Info_h.biYpelsPerMeter = getc(IN);
+ Info_h.biYpelsPerMeter = (getc(IN) << 8) + Info_h.biYpelsPerMeter;
+ Info_h.biYpelsPerMeter = (getc(IN) << 16) + Info_h.biYpelsPerMeter;
+ Info_h.biYpelsPerMeter = (getc(IN) << 24) + Info_h.biYpelsPerMeter;
+
+ Info_h.biClrUsed = getc(IN);
+ Info_h.biClrUsed = (getc(IN) << 8) + Info_h.biClrUsed;
+ Info_h.biClrUsed = (getc(IN) << 16) + Info_h.biClrUsed;
+ Info_h.biClrUsed = (getc(IN) << 24) + Info_h.biClrUsed;
+
+ Info_h.biClrImportant = getc(IN);
+ Info_h.biClrImportant = (getc(IN) << 8) + Info_h.biClrImportant;
+ Info_h.biClrImportant = (getc(IN) << 16) + Info_h.biClrImportant;
+ Info_h.biClrImportant = (getc(IN) << 24) + Info_h.biClrImportant;
+
+ /* Read the data and store them in the OUT file */
+
+ if (Info_h.biBitCount == 24) {
+ numcomps = 3;
+ color_space = CLRSPC_SRGB;
+ /* initialize image components */
+ memset(&cmptparm[0], 0, 3 * sizeof(opj_image_cmptparm_t));
+ for(i = 0; i < numcomps; i++) {
+ cmptparm[i].prec = 8;
+ cmptparm[i].bpp = 8;
+ cmptparm[i].sgnd = 0;
+ cmptparm[i].dx = subsampling_dx;
+ cmptparm[i].dy = subsampling_dy;
+ cmptparm[i].w = w;
+ cmptparm[i].h = h;
+ }
+ /* create the image */
+ image = opj_image_create(numcomps, &cmptparm[0], color_space);
+ if(!image) {
+ fclose(IN);
+ return NULL;
+ }
+
+ /* set image offset and reference grid */
+ image->x0 = parameters->image_offset_x0;
+ image->y0 = parameters->image_offset_y0;
+ image->x1 = !image->x0 ? (w - 1) * subsampling_dx + 1 : image->x0 + (w - 1) * subsampling_dx + 1;
+ image->y1 = !image->y0 ? (h - 1) * subsampling_dy + 1 : image->y0 + (h - 1) * subsampling_dy + 1;
+
+ /* set image data */
+
+ /* Place the cursor at the beginning of the image information */
+ fseek(IN, 0, SEEK_SET);
+ fseek(IN, File_h.bfOffBits, SEEK_SET);
+
+ W = Info_h.biWidth;
+ H = Info_h.biHeight;
+
+ /* PAD = 4 - (3 * W) % 4; */
+ /* PAD = (PAD == 4) ? 0 : PAD; */
+ PAD = (3 * W) % 4 ? 4 - (3 * W) % 4 : 0;
+
+ RGB = (unsigned char *) malloc((3 * W + PAD) * H * sizeof(unsigned char));
+
+ fread(RGB, sizeof(unsigned char), (3 * W + PAD) * H, IN);
+
+ index = 0;
+
+ for(y = 0; y < (int)H; y++) {
+ unsigned char *scanline = RGB + (3 * W + PAD) * (H - 1 - y);
+ for(x = 0; x < (int)W; x++) {
+ unsigned char *pixel = &scanline[3 * x];
+ image->comps[0].data[index] = pixel[2]; /* R */
+ image->comps[1].data[index] = pixel[1]; /* G */
+ image->comps[2].data[index] = pixel[0]; /* B */
+ index++;
+ }
+ }
+
+ free(RGB);
+
+ } else if (Info_h.biBitCount == 8 && Info_h.biCompression == 0) {
+ table_R = (unsigned char *) malloc(256 * sizeof(unsigned char));
+ table_G = (unsigned char *) malloc(256 * sizeof(unsigned char));
+ table_B = (unsigned char *) malloc(256 * sizeof(unsigned char));
+
+ for (j = 0; j < Info_h.biClrUsed; j++) {
+ table_B[j] = getc(IN);
+ table_G[j] = getc(IN);
+ table_R[j] = getc(IN);
+ getc(IN);
+ if (table_R[j] != table_G[j] && table_R[j] != table_B[j] && table_G[j] != table_B[j])
+ gray_scale = 0;
+ }
+
+ /* Place the cursor at the beginning of the image information */
+ fseek(IN, 0, SEEK_SET);
+ fseek(IN, File_h.bfOffBits, SEEK_SET);
+
+ W = Info_h.biWidth;
+ H = Info_h.biHeight;
+ if (Info_h.biWidth % 2)
+ W++;
+
+ numcomps = gray_scale ? 1 : 3;
+ color_space = gray_scale ? CLRSPC_GRAY : CLRSPC_SRGB;
+ /* initialize image components */
+ memset(&cmptparm[0], 0, 3 * sizeof(opj_image_cmptparm_t));
+ for(i = 0; i < numcomps; i++) {
+ cmptparm[i].prec = 8;
+ cmptparm[i].bpp = 8;
+ cmptparm[i].sgnd = 0;
+ cmptparm[i].dx = subsampling_dx;
+ cmptparm[i].dy = subsampling_dy;
+ cmptparm[i].w = w;
+ cmptparm[i].h = h;
+ }
+ /* create the image */
+ image = opj_image_create(numcomps, &cmptparm[0], color_space);
+ if(!image) {
+ fclose(IN);
+ return NULL;
+ }
+
+ /* set image offset and reference grid */
+ image->x0 = parameters->image_offset_x0;
+ image->y0 = parameters->image_offset_y0;
+ image->x1 = !image->x0 ? (w - 1) * subsampling_dx + 1 : image->x0 + (w - 1) * subsampling_dx + 1;
+ image->y1 = !image->y0 ? (h - 1) * subsampling_dy + 1 : image->y0 + (h - 1) * subsampling_dy + 1;
+
+ /* set image data */
+
+ RGB = (unsigned char *) malloc(W * H * sizeof(unsigned char));
+
+ fread(RGB, sizeof(unsigned char), W * H, IN);
+ if (gray_scale) {
+ index = 0;
+ for (j = 0; j < W * H; j++) {
+ if ((j % W < W - 1 && Info_h.biWidth % 2) || !(Info_h.biWidth % 2)) {
+ image->comps[0].data[index] = table_R[RGB[W * H - ((j) / (W) + 1) * W + (j) % (W)]];
+ index++;
+ }
+ }
+
+ } else {
+ index = 0;
+ for (j = 0; j < W * H; j++) {
+ if ((j % W < W - 1 && Info_h.biWidth % 2) || !(Info_h.biWidth % 2)) {
+ unsigned char pixel_index = RGB[W * H - ((j) / (W) + 1) * W + (j) % (W)];
+ image->comps[0].data[index] = table_R[pixel_index];
+ image->comps[1].data[index] = table_G[pixel_index];
+ image->comps[2].data[index] = table_B[pixel_index];
+ index++;
+ }
+ }
+ }
+ free(RGB);
+
+ } else if (Info_h.biBitCount == 8 && Info_h.biCompression == 1) {
+ table_R = (unsigned char *) malloc(256 * sizeof(unsigned char));
+ table_G = (unsigned char *) malloc(256 * sizeof(unsigned char));
+ table_B = (unsigned char *) malloc(256 * sizeof(unsigned char));
+
+ for (j = 0; j < Info_h.biClrUsed; j++) {
+ table_B[j] = getc(IN);
+ table_G[j] = getc(IN);
+ table_R[j] = getc(IN);
+ getc(IN);
+ if (table_R[j] != table_G[j] && table_R[j] != table_B[j] && table_G[j] != table_B[j])
+ gray_scale = 0;
+ }
+
+ numcomps = gray_scale ? 1 : 3;
+ color_space = gray_scale ? CLRSPC_GRAY : CLRSPC_SRGB;
+ /* initialize image components */
+ memset(&cmptparm[0], 0, 3 * sizeof(opj_image_cmptparm_t));
+ for(i = 0; i < numcomps; i++) {
+ cmptparm[i].prec = 8;
+ cmptparm[i].bpp = 8;
+ cmptparm[i].sgnd = 0;
+ cmptparm[i].dx = subsampling_dx;
+ cmptparm[i].dy = subsampling_dy;
+ cmptparm[i].w = w;
+ cmptparm[i].h = h;
+ }
+ /* create the image */
+ image = opj_image_create(numcomps, &cmptparm[0], color_space);
+ if(!image) {
+ fclose(IN);
+ return NULL;
+ }
+
+ /* set image offset and reference grid */
+ image->x0 = parameters->image_offset_x0;
+ image->y0 = parameters->image_offset_y0;
+ image->x1 = !image->x0 ? (w - 1) * subsampling_dx + 1 : image->x0 + (w - 1) * subsampling_dx + 1;
+ image->y1 = !image->y0 ? (h - 1) * subsampling_dy + 1 : image->y0 + (h - 1) * subsampling_dy + 1;
+
+ /* set image data */
+
+ /* Place the cursor at the beginning of the image information */
+ fseek(IN, 0, SEEK_SET);
+ fseek(IN, File_h.bfOffBits, SEEK_SET);
+
+ RGB = (unsigned char *) malloc(Info_h.biWidth * Info_h.biHeight * sizeof(unsigned char));
+
+ while (not_end_file) {
+ v = getc(IN);
+ if (v) {
+ v2 = getc(IN);
+ for (i = 0; i < (int) v; i++) {
+ RGB[line * Info_h.biWidth + col] = v2;
+ col++;
+ }
+ } else {
+ v = getc(IN);
+ switch (v) {
+ case 0:
+ col = 0;
+ line++;
+ break;
+ case 1:
+ line++;
+ not_end_file = 0;
+ break;
+ case 2:
+ fprintf(stderr,"No Delta supported\n");
+ opj_image_destroy(image);
+ fclose(IN);
+ return NULL;
+ break;
+ default:
+ for (i = 0; i < v; i++) {
+ v2 = getc(IN);
+ RGB[line * Info_h.biWidth + col] = v2;
+ col++;
+ }
+ if (v % 2)
+ v2 = getc(IN);
+ break;
+ }
+ }
+ }
+ if (gray_scale) {
+ index = 0;
+ for (line = 0; line < Info_h.biHeight; line++) {
+ for (col = 0; col < Info_h.biWidth; col++) {
+ image->comps[0].data[index] = table_R[(int)RGB[(Info_h.biHeight - line - 1) * Info_h.biWidth + col]];
+ index++;
+ }
+ }
+ } else {
+ index = 0;
+ for (line = 0; line < Info_h.biHeight; line++) {
+ for (col = 0; col < Info_h.biWidth; col++) {
+ unsigned char pixel_index = (int)RGB[(Info_h.biHeight - line - 1) * Info_h.biWidth + col];
+ image->comps[0].data[index] = table_R[pixel_index];
+ image->comps[1].data[index] = table_G[pixel_index];
+ image->comps[2].data[index] = table_B[pixel_index];
+ index++;
+ }
+ }
+ }
+ free(RGB);
+ } else {
+ fprintf(stderr,
+ "Other system than 24 bits/pixels or 8 bits (no RLE coding) is not yet implemented [%d]\n", Info_h.biBitCount);
+ }
+ fclose(IN);
+ }
+
+ return image;
+}
+
+int imagetobmp(opj_image_t * image, char *outfile) {
+ int w, wr, h, hr;
+ int i, pad;
+ FILE *fdest = NULL;
+
+ if (image->numcomps == 3 && image->comps[0].dx == image->comps[1].dx
+ && image->comps[1].dx == image->comps[2].dx
+ && image->comps[0].dy == image->comps[1].dy
+ && image->comps[1].dy == image->comps[2].dy
+ && image->comps[0].prec == image->comps[1].prec
+ && image->comps[1].prec == image->comps[2].prec) {
+
+ /* -->> -->> -->> -->>
+ 24 bits color
+ <<-- <<-- <<-- <<-- */
+
+ fdest = fopen(outfile, "wb");
+ if (!fdest) {
+ fprintf(stderr, "ERROR -> failed to open %s for writing\n", outfile);
+ return 1;
+ }
+
+ /* w = int_ceildiv(image->x1 - image->x0, image->comps[0].dx); */
+ /* wr = int_ceildiv(int_ceildivpow2(image->x1 - image->x0,image->factor), image->comps[0].dx); */
+ w = image->comps[0].w;
+ wr = int_ceildivpow2(image->comps[0].w, image->comps[0].factor);
+
+ /* h = int_ceildiv(image->y1 - image->y0, image->comps[0].dy); */
+ /* hr = int_ceildiv(int_ceildivpow2(image->y1 - image->y0,image->factor), image->comps[0].dy); */
+ h = image->comps[0].h;
+ hr = int_ceildivpow2(image->comps[0].h, image->comps[0].factor);
+
+ fprintf(fdest, "BM");
+
+ /* FILE HEADER */
+ /* ------------- */
+ fprintf(fdest, "%c%c%c%c",
+ (unsigned char) (hr * wr * 3 + 3 * hr * (wr % 2) + 54) & 0xff,
+ (unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 2) + 54) >> 8) & 0xff,
+ (unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 2) + 54) >> 16) & 0xff,
+ (unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 2) + 54) >> 24) & 0xff);
+ fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
+ fprintf(fdest, "%c%c%c%c", (54) & 0xff, ((54) >> 8) & 0xff,((54) >> 16) & 0xff, ((54) >> 24) & 0xff);
+
+ /* INFO HEADER */
+ /* ------------- */
+ fprintf(fdest, "%c%c%c%c", (40) & 0xff, ((40) >> 8) & 0xff, ((40) >> 16) & 0xff, ((40) >> 24) & 0xff);
+ fprintf(fdest, "%c%c%c%c", (unsigned char) ((wr) & 0xff),
+ (unsigned char) ((wr) >> 8) & 0xff,
+ (unsigned char) ((wr) >> 16) & 0xff,
+ (unsigned char) ((wr) >> 24) & 0xff);
+ fprintf(fdest, "%c%c%c%c", (unsigned char) ((hr) & 0xff),
+ (unsigned char) ((hr) >> 8) & 0xff,
+ (unsigned char) ((hr) >> 16) & 0xff,
+ (unsigned char) ((hr) >> 24) & 0xff);
+ fprintf(fdest, "%c%c", (1) & 0xff, ((1) >> 8) & 0xff);
+ fprintf(fdest, "%c%c", (24) & 0xff, ((24) >> 8) & 0xff);
+ fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
+ fprintf(fdest, "%c%c%c%c", (unsigned char) (3 * hr * wr + 3 * hr * (wr % 2)) & 0xff,
+ (unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 2)) >> 8) & 0xff,
+ (unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 2)) >> 16) & 0xff,
+ (unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 2)) >> 24) & 0xff);
+ fprintf(fdest, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff, ((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);
+ fprintf(fdest, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff, ((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);
+ fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
+ fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
+
+ for (i = 0; i < wr * hr; i++) {
+ unsigned char R, G, B;
+ /* a modifier */
+ /* R = image->comps[0].data[w * h - ((i) / (w) + 1) * w + (i) % (w)]; */
+ R = image->comps[0].data[w * hr - ((i) / (wr) + 1) * w + (i) % (wr)];
+ /* G = image->comps[1].data[w * h - ((i) / (w) + 1) * w + (i) % (w)]; */
+ G = image->comps[1].data[w * hr - ((i) / (wr) + 1) * w + (i) % (wr)];
+ /* B = image->comps[2].data[w * h - ((i) / (w) + 1) * w + (i) % (w)]; */
+ B = image->comps[2].data[w * hr - ((i) / (wr) + 1) * w + (i) % (wr)];
+ fprintf(fdest, "%c%c%c", B, G, R);
+
+ if ((i + 1) % wr == 0) {
+ for (pad = (3 * wr) % 4 ? 4 - (3 * wr) % 4 : 0; pad > 0; pad--) /* ADD */
+ fprintf(fdest, "%c", 0);
+ }
+ }
+ fclose(fdest);
+ } else { /* Gray-scale */
+
+ /* -->> -->> -->> -->>
+ 8 bits non code (Gray scale)
+ <<-- <<-- <<-- <<-- */
+
+ fdest = fopen(outfile, "wb");
+ /* w = int_ceildiv(image->x1 - image->x0, image->comps[0].dx); */
+ /* wr = int_ceildiv(int_ceildivpow2(image->x1 - image->x0,image->factor), image->comps[0].dx); */
+ w = image->comps[0].w;
+ wr = int_ceildivpow2(image->comps[0].w, image->comps[0].factor);
+
+ /* h = int_ceildiv(image->y1 - image->y0, image->comps[0].dy); */
+ /* hr = int_ceildiv(int_ceildivpow2(image->y1 - image->y0,image->factor), image->comps[0].dy); */
+ h = image->comps[0].h;
+ hr = int_ceildivpow2(image->comps[0].h, image->comps[0].factor);
+
+ fprintf(fdest, "BM");
+
+ /* FILE HEADER */
+ /* ------------- */
+ fprintf(fdest, "%c%c%c%c", (unsigned char) (hr * wr + 54 + 1024 + hr * (wr % 2)) & 0xff,
+ (unsigned char) ((hr * wr + 54 + 1024 + hr * (wr % 2)) >> 8) & 0xff,
+ (unsigned char) ((hr * wr + 54 + 1024 + hr * (wr % 2)) >> 16) & 0xff,
+ (unsigned char) ((hr * wr + 54 + 1024 + wr * (wr % 2)) >> 24) & 0xff);
+ fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
+ fprintf(fdest, "%c%c%c%c", (54 + 1024) & 0xff, ((54 + 1024) >> 8) & 0xff,
+ ((54 + 1024) >> 16) & 0xff,
+ ((54 + 1024) >> 24) & 0xff);
+
+ /* INFO HEADER */
+ /* ------------- */
+ fprintf(fdest, "%c%c%c%c", (40) & 0xff, ((40) >> 8) & 0xff, ((40) >> 16) & 0xff, ((40) >> 24) & 0xff);
+ fprintf(fdest, "%c%c%c%c", (unsigned char) ((wr) & 0xff),
+ (unsigned char) ((wr) >> 8) & 0xff,
+ (unsigned char) ((wr) >> 16) & 0xff,
+ (unsigned char) ((wr) >> 24) & 0xff);
+ fprintf(fdest, "%c%c%c%c", (unsigned char) ((hr) & 0xff),
+ (unsigned char) ((hr) >> 8) & 0xff,
+ (unsigned char) ((hr) >> 16) & 0xff,
+ (unsigned char) ((hr) >> 24) & 0xff);
+ fprintf(fdest, "%c%c", (1) & 0xff, ((1) >> 8) & 0xff);
+ fprintf(fdest, "%c%c", (8) & 0xff, ((8) >> 8) & 0xff);
+ fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
+ fprintf(fdest, "%c%c%c%c", (unsigned char) (hr * wr + hr * (wr % 2)) & 0xff,
+ (unsigned char) ((hr * wr + hr * (wr % 2)) >> 8) & 0xff,
+ (unsigned char) ((hr * wr + hr * (wr % 2)) >> 16) & 0xff,
+ (unsigned char) ((hr * wr + hr * (wr % 2)) >> 24) & 0xff);
+ fprintf(fdest, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff, ((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);
+ fprintf(fdest, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff, ((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);
+ fprintf(fdest, "%c%c%c%c", (256) & 0xff, ((256) >> 8) & 0xff, ((256) >> 16) & 0xff, ((256) >> 24) & 0xff);
+ fprintf(fdest, "%c%c%c%c", (256) & 0xff, ((256) >> 8) & 0xff, ((256) >> 16) & 0xff, ((256) >> 24) & 0xff);
+ }
+
+ for (i = 0; i < 256; i++) {
+ fprintf(fdest, "%c%c%c%c", i, i, i, 0);
+ }
+
+ for (i = 0; i < wr * hr; i++) {
+ /* a modifier !! */
+ /* fprintf(fdest, "%c", image->comps[0].data[w * h - ((i) / (w) + 1) * w + (i) % (w)]); */
+ fprintf(fdest, "%c", image->comps[0].data[w * hr - ((i) / (wr) + 1) * w + (i) % (wr)]);
+ /*if (((i + 1) % w == 0 && w % 2))
+ fprintf(fdest, "%c", 0); */
+ if ((i + 1) % wr == 0) {
+ for (pad = wr % 4 ? 4 - wr % 4 : 0; pad > 0; pad--) /* ADD */
+ fprintf(fdest, "%c", 0);
+ }
+ }
+ fclose(fdest);
+
+ return 0;
+}
+
+/* -->> -->> -->> -->>
+
+PGX IMAGE FORMAT
+
+<<-- <<-- <<-- <<-- */
+
+
+unsigned char readuchar(FILE * f)
+{
+ unsigned char c1;
+ fread(&c1, 1, 1, f);
+ return c1;
+}
+
+unsigned short readushort(FILE * f, int bigendian)
+{
+ unsigned char c1, c2;
+ fread(&c1, 1, 1, f);
+ fread(&c2, 1, 1, f);
+ if (bigendian)
+ return (c1 << 8) + c2;
+ else
+ return (c2 << 8) + c1;
+}
+
+unsigned int readuint(FILE * f, int bigendian)
+{
+ unsigned char c1, c2, c3, c4;
+ fread(&c1, 1, 1, f);
+ fread(&c2, 1, 1, f);
+ fread(&c3, 1, 1, f);
+ fread(&c4, 1, 1, f);
+ if (bigendian)
+ return (c1 << 24) + (c2 << 16) + (c3 << 8) + c4;
+ else
+ return (c4 << 24) + (c3 << 16) + (c2 << 8) + c1;
+}
+
+opj_image_t* pgxtoimage(char *filename, opj_cparameters_t *parameters) {
+ FILE *f = NULL;
+ int w, h, prec;
+ int i, numcomps, max;
+ OPJ_COLOR_SPACE color_space;
+ opj_image_cmptparm_t cmptparm; /* maximum of 1 component */
+ opj_image_t * image = NULL;
+
+ char endian1,endian2,sign;
+ char signtmp[32];
+
+ char temp[32];
+ int bigendian;
+ opj_image_comp_t *comp = NULL;
+
+ numcomps = 1;
+ color_space = CLRSPC_GRAY;
+
+ memset(&cmptparm, 0, sizeof(opj_image_cmptparm_t));
+
+ max = 0;
+
+ f = fopen(filename, "rb");
+ if (!f) {
+ fprintf(stderr, "Failed to open %s for reading !\n", filename);
+ return NULL;
+ }
+
+ fseek(f, 0, SEEK_SET);
+ fscanf(f, "PG%[ \t]%c%c%[ \t+-]%d%[ \t]%d%[ \t]%d",temp,&endian1,&endian2,signtmp,&prec,temp,&w,temp,&h);
+
+ i=0;
+ sign='+';
+ while (signtmp[i]!='\0') {
+ if (signtmp[i]=='-') sign='-';
+ i++;
+ }
+
+ fgetc(f);
+ if (endian1=='M' && endian2=='L') {
+ bigendian = 1;
+ } else if (endian2=='M' && endian1=='L') {
+ bigendian = 0;
+ } else {
+ fprintf(stderr, "Bad pgx header, please check input file\n");
+ return NULL;
+ }
+
+ /* initialize image component */
+
+ cmptparm.x0 = parameters->image_offset_x0;
+ cmptparm.y0 = parameters->image_offset_y0;
+ cmptparm.w = !cmptparm.x0 ? (w - 1) * parameters->subsampling_dx + 1 : cmptparm.x0 + (w - 1) * parameters->subsampling_dx + 1;
+ cmptparm.h = !cmptparm.y0 ? (h - 1) * parameters->subsampling_dy + 1 : cmptparm.y0 + (h - 1) * parameters->subsampling_dy + 1;
+
+ if (sign == '-') {
+ cmptparm.sgnd = 1;
+ } else {
+ cmptparm.sgnd = 0;
+ }
+ cmptparm.prec = prec;
+ cmptparm.bpp = prec;
+ cmptparm.dx = parameters->subsampling_dx;
+ cmptparm.dy = parameters->subsampling_dy;
+
+ /* create the image */
+ image = opj_image_create(numcomps, &cmptparm, color_space);
+ if(!image) {
+ fclose(f);
+ return NULL;
+ }
+ /* set image offset and reference grid */
+ image->x0 = cmptparm.x0;
+ image->y0 = cmptparm.x0;
+ image->x1 = cmptparm.w;
+ image->y1 = cmptparm.h;
+
+ /* set image data */
+
+ comp = &image->comps[0];
+
+ for (i = 0; i < w * h; i++) {
+ int v;
+ if (comp->prec <= 8) {
+ if (!comp->sgnd) {
+ v = readuchar(f);
+ } else {
+ v = (char) readuchar(f);
+ }
+ } else if (comp->prec <= 16) {
+ if (!comp->sgnd) {
+ v = readushort(f, bigendian);
+ } else {
+ v = (short) readushort(f, bigendian);
+ }
+ } else {
+ if (!comp->sgnd) {
+ v = readuint(f, bigendian);
+ } else {
+ v = (int) readuint(f, bigendian);
+ }
+ }
+ if (v > max)
+ max = v;
+ comp->data[i] = v;
+ }
+ fclose(f);
+ comp->bpp = int_floorlog2(max) + 1;
+
+ return image;
+}
+
+int imagetopgx(opj_image_t * image, char *outfile) {
+ int w, wr, h, hr;
+ int i, j, compno;
+ FILE *fdest = NULL;
+
+ for (compno = 0; compno < image->numcomps; compno++) {
+ opj_image_comp_t *comp = &image->comps[compno];
+ char name[256];
+ int nbytes = 0;
+ char *tmp = outfile;
+ while (*tmp) {
+ tmp++;
+ }
+ while (*tmp!='.') {
+ tmp--;
+ }
+ *tmp='\0';
+
+ if (image->numcomps > 1) {
+ sprintf(name, "%s-%d.pgx", outfile, compno);
+ } else {
+ sprintf(name, "%s.pgx", outfile);
+ }
+ fdest = fopen(name, "wb");
+ if (!fdest) {
+ fprintf(stderr, "ERROR -> failed to open %s for writing\n", name);
+ return 1;
+ }
+ /* w = int_ceildiv(image->x1 - image->x0, comp->dx); */
+ /* wr = int_ceildiv(int_ceildivpow2(image->x1 - image->x0,image->factor), comp->dx); */
+ w = image->comps[compno].w;
+ wr = int_ceildivpow2(image->comps[compno].w, image->comps[compno].factor);
+
+ /* h = int_ceildiv(image->y1 - image->y0, comp->dy); */
+ /* hr = int_ceildiv(int_ceildivpow2(image->y1 - image->y0,image->factor), comp->dy); */
+ h = image->comps[compno].h;
+ hr = int_ceildivpow2(image->comps[compno].h, image->comps[compno].factor);
+
+ fprintf(fdest, "PG ML %c %d %d %d\n", comp->sgnd ? '-' : '+', comp->prec, wr, hr);
+ if (comp->prec <= 8) {
+ nbytes = 1;
+ } else if (comp->prec <= 16) {
+ nbytes = 2;
+ } else {
+ nbytes = 4;
+ }
+ for (i = 0; i < wr * hr; i++) {
+ int v = image->comps[compno].data[i / wr * w + i % wr];
+ for (j = nbytes - 1; j >= 0; j--) {
+ char byte = (char) (v >> (j * 8));
+ fwrite(&byte, 1, 1, fdest);
+ }
+ }
+ fclose(fdest);
+ }
+
+ return 0;
+}
+
+/* -->> -->> -->> -->>
+
+PNM IMAGE FORMAT
+
+<<-- <<-- <<-- <<-- */
+
+opj_image_t* pnmtoimage(char *filename, opj_cparameters_t *parameters) {
+ int subsampling_dx = parameters->subsampling_dx;
+ int subsampling_dy = parameters->subsampling_dy;
+
+ FILE *f = NULL;
+ int i, compno, numcomps, w, h;
+ OPJ_COLOR_SPACE color_space;
+ opj_image_cmptparm_t cmptparm[3]; /* maximum of 3 components */
+ opj_image_t * image = NULL;
+ char value;
+ char comment[256];
+
+ f = fopen(filename, "rb");
+ if (!f) {
+ fprintf(stderr, "\033[0;33mFailed to open %s for reading !!\033[0;39m\n", filename);
+ return 0;
+ }
+
+ if (fgetc(f) != 'P')
+ return 0;
+ value = fgetc(f);
+
+ switch(value) {
+ case '2': /* greyscale image type */
+ case '5':
+ {
+ numcomps = 1;
+ color_space = CLRSPC_GRAY;
+
+ fgetc(f);
+
+ if (fgetc(f) == '#') {
+ /* skip comments */
+ fseek(f, 0, SEEK_SET);
+ if (value == '2') {
+ fscanf(f, "P2\n");
+ } else if (value == '5') {
+ fscanf(f, "P5\n");
+ }
+ fgets(comment, 256, f);
+ fscanf(f, "%d %d\n255", &w, &h);
+ } else {
+ fseek(f, 0, SEEK_SET);
+ if (value == '2') {
+ fscanf(f, "P2\n%d %d\n255", &w, &h);
+ } else if (value == '5') {
+ fscanf(f, "P5\n%d %d\n255", &w, &h);
+ }
+ }
+
+ fgetc(f); /* <cr><lf> */
+ }
+ break;
+
+ case '3': /* RGB image type */
+ case '6':
+ {
+ numcomps = 3;
+ color_space = CLRSPC_SRGB;
+
+ fgetc(f);
+
+ if (fgetc(f) == '#') {
+ /* skip comments */
+ fseek(f, 0, SEEK_SET);
+ if (value == '3') {
+ fscanf(f, "P3\n");
+ } else if (value == '6') {
+ fscanf(f, "P6\n");
+ }
+ fgets(comment, 256, f);
+ fscanf(f, "%d %d\n255", &w, &h);
+ } else {
+ fseek(f, 0, SEEK_SET);
+ if (value == '3') {
+ fscanf(f, "P3\n%d %d\n255", &w, &h);
+ } else if (value == '6') {
+ fscanf(f, "P6\n%d %d\n255", &w, &h);
+ }
+ }
+
+ fgetc(f); /* <cr><lf> */
+ }
+ break;
+
+ default:
+ fclose(f);
+ return NULL;
+ }
+
+ /* initialize image components */
+ memset(&cmptparm[0], 0, 3 * sizeof(opj_image_cmptparm_t));
+ for(i = 0; i < numcomps; i++) {
+ cmptparm[i].prec = 8;
+ cmptparm[i].bpp = 8;
+ cmptparm[i].sgnd = 0;
+ cmptparm[i].dx = subsampling_dx;
+ cmptparm[i].dy = subsampling_dy;
+ cmptparm[i].w = w;
+ cmptparm[i].h = h;
+ }
+ /* create the image */
+ image = opj_image_create(numcomps, &cmptparm[0], color_space);
+ if(!image) {
+ fclose(f);
+ return NULL;
+ }
+
+ /* set image offset and reference grid */
+ image->x0 = parameters->image_offset_x0;
+ image->y0 = parameters->image_offset_y0;
+ image->x1 = parameters->image_offset_x0 + (w - 1) * subsampling_dx + 1;
+ image->y1 = parameters->image_offset_y0 + (h - 1) * subsampling_dy + 1;
+
+ /* set image data */
+
+ if ((value == '2') || (value == '3')) { /* ASCII */
+ for (i = 0; i < w * h; i++) {
+ for(compno = 0; compno < numcomps; compno++) {
+ unsigned int index = 0;
+ fscanf(f, "%u", &index);
+ /* compno : 0 = GREY, (0, 1, 2) = (R, G, B) */
+ image->comps[compno].data[i] = index;
+ }
+ }
+ } else if ((value == '5') || (value == '6')) { /* BINARY */
+ for (i = 0; i < w * h; i++) {
+ for(compno = 0; compno < numcomps; compno++) {
+ unsigned char index = 0;
+ fread(&index, 1, 1, f);
+ /* compno : 0 = GREY, (0, 1, 2) = (R, G, B) */
+ image->comps[compno].data[i] = index;
+ }
+ }
+ }
+
+ fclose(f);
+
+ return image;
+}
+
+int imagetopnm(opj_image_t * image, char *outfile) {
+ int w, wr, wrr, h, hr, hrr, max;
+ int i, compno;
+ int adjust;
+ FILE *fdest = NULL;
+ char S2;
+ char *tmp = outfile;
+
+ while (*tmp) {
+ tmp++;
+ }
+ tmp--;
+ tmp--;
+ S2 = *tmp;
+
+ if (image->numcomps == 3 && image->comps[0].dx == image->comps[1].dx
+ && image->comps[1].dx == image->comps[2].dx
+ && image->comps[0].dy == image->comps[1].dy
+ && image->comps[1].dy == image->comps[2].dy
+ && image->comps[0].prec == image->comps[1].prec
+ && image->comps[1].prec == image->comps[2].prec
+ && S2 !='g' && S2 !='G') {
+
+ fdest = fopen(outfile, "wb");
+ if (!fdest) {
+ fprintf(stderr, "ERROR -> failed to open %s for writing\n", outfile);
+ return 1;
+ }
+
+ w = int_ceildiv(image->x1 - image->x0, image->comps[0].dx);
+ /* wr = int_ceildiv(int_ceildivpow2(image->x1 - image->x0,image->factor),image->comps[0].dx); */
+ wr = image->comps[0].w;
+ wrr = int_ceildivpow2(image->comps[0].w, image->comps[0].factor);
+
+ h = int_ceildiv(image->y1 - image->y0, image->comps[0].dy);
+ /* hr = int_ceildiv(int_ceildivpow2(image->y1 - image->y0,image->factor), image->comps[0].dy); */
+ hr = image->comps[0].h;
+ hrr = int_ceildivpow2(image->comps[0].h, image->comps[0].factor);
+
+ max = image->comps[0].prec > 8 ? 255 : (1 << image->comps[0].prec) - 1;
+
+ image->comps[0].x0 = int_ceildivpow2(image->comps[0].x0 - int_ceildiv(image->x0, image->comps[0].dx), image->comps[0].factor);
+ image->comps[0].y0 = int_ceildivpow2(image->comps[0].y0 - int_ceildiv(image->y0, image->comps[0].dy), image->comps[0].factor);
+
+ fprintf(fdest, "P6\n%d %d\n%d\n", wrr, hrr, max);
+ adjust = image->comps[0].prec > 8 ? image->comps[0].prec - 8 : 0;
+ for (i = 0; i < wrr * hrr; i++) {
+ int r, g, b;
+ unsigned char rc,gc,bc;
+ r = image->comps[0].data[i / wrr * wr + i % wrr];
+ r += (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0);
+ rc = (unsigned char) ((r >> adjust)+((r >> (adjust-1))%2));
+
+ g = image->comps[1].data[i / wrr * wr + i % wrr];
+ g += (image->comps[1].sgnd ? 1 << (image->comps[1].prec - 1) : 0);
+ gc = (unsigned char) ((g >> adjust)+((g >> (adjust-1))%2));
+
+ b = image->comps[2].data[i / wrr * wr + i % wrr];
+ b += (image->comps[2].sgnd ? 1 << (image->comps[2].prec - 1) : 0);
+ bc = (unsigned char) ((b >> adjust)+((b >> (adjust-1))%2));
+
+ fprintf(fdest, "%c%c%c", rc, gc, bc);
+ }
+ fclose(fdest);
+ } else {
+ int ncomp=(S2=='g' || S2=='G')?1:image->numcomps;
+ if (image->numcomps>ncomp) {
+ fprintf(stderr,"WARNING -> [PGM files] Only the first component\n");
+ fprintf(stderr," is written to the file\n");
+ }
+ for (compno = 0; compno < ncomp; compno++) {
+ char name[256];
+ if (ncomp > 1) {
+ sprintf(name, "%d.%s", compno, outfile);
+ } else {
+ sprintf(name, "%s", outfile);
+ }
+
+ fdest = fopen(name, "wb");
+ if (!fdest) {
+ fprintf(stderr, "ERROR -> failed to open %s for writing\n", name);
+ return 1;
+ }
+
+ w = int_ceildiv(image->x1 - image->x0, image->comps[compno].dx);
+ /* wr = int_ceildiv(int_ceildivpow2(image->x1 - image->x0,image->factor),image->comps[compno].dx); */
+ wr = image->comps[compno].w;
+ wrr = int_ceildivpow2(image->comps[compno].w, image->comps[compno].factor);
+
+ h = int_ceildiv(image->y1 - image->y0, image->comps[compno].dy);
+ /* hr = int_ceildiv(int_ceildivpow2(image->y1 - image->y0,image->factor), image->comps[compno].dy); */
+ hr = image->comps[compno].h;
+ hrr = int_ceildivpow2(image->comps[compno].h, image->comps[compno].factor);
+
+ max = image->comps[compno].prec > 8 ? 255 : (1 << image->comps[compno].prec) - 1;
+
+ image->comps[compno].x0 = int_ceildivpow2(image->comps[compno].x0 - int_ceildiv(image->x0, image->comps[compno].dx), image->comps[compno].factor);
+ image->comps[compno].y0 = int_ceildivpow2(image->comps[compno].y0 - int_ceildiv(image->y0, image->comps[compno].dy), image->comps[compno].factor);
+
+ fprintf(fdest, "P5\n%d %d\n%d\n", wrr, hrr, max);
+ adjust = image->comps[compno].prec > 8 ? image->comps[compno].prec - 8 : 0;
+
+ for (i = 0; i < wrr * hrr; i++) {
+ int l;
+ unsigned char lc;
+ l = image->comps[compno].data[i / wrr * wr + i % wrr];
+ l += (image->comps[compno].sgnd ? 1 << (image->comps[compno].prec - 1) : 0);
+ lc = (unsigned char) ((l >> adjust)+((l >> (adjust-1))%2));
+ fprintf(fdest, "%c", lc);
+ }
+ fclose(fdest);
+ }
+ }
+
+ return 0;
+}
-/*\r
- * Copyright (c) 2001-2003, David Janssens\r
- * Copyright (c) 2002-2003, Yannick Verschueren\r
- * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe\r
- * Copyright (c) 2005, Herv\8e Drolon, FreeImage Team\r
- * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium\r
- * All rights reserved.\r
- *\r
- * Redistribution and use in source and binary forms, with or without\r
- * modification, are permitted provided that the following conditions\r
- * are met:\r
- * 1. Redistributions of source code must retain the above copyright\r
- * notice, this list of conditions and the following disclaimer.\r
- * 2. Redistributions in binary form must reproduce the above copyright\r
- * notice, this list of conditions and the following disclaimer in the\r
- * documentation and/or other materials provided with the distribution.\r
- *\r
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'\r
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE\r
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\r
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\r
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\r
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\r
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
- * POSSIBILITY OF SUCH DAMAGE.\r
- */\r
-#ifndef __J2K_CONVERT_H\r
-#define __J2K_CONVERT_H\r
-\r
-opj_image_t* bmptoimage(char *filename, opj_cparameters_t *parameters);\r
-\r
-int imagetobmp(opj_image_t *image, char *outfile);\r
-\r
-/**\r
-Load a single image component encoded in PGX file format\r
-@param filename Name of the PGX file to load\r
-@param parameters *List ?*\r
-@return Returns a greyscale image if successful, returns NULL otherwise\r
-*/\r
-opj_image_t* pgxtoimage(char *filename, opj_cparameters_t *parameters);\r
-\r
-int imagetopgx(opj_image_t *image, char *outfile);\r
-\r
-opj_image_t* pnmtoimage(char *filename, opj_cparameters_t *parameters);\r
-\r
-int imagetopnm(opj_image_t *image, char *outfile);\r
-\r
-#endif /* __J2K_CONVERT_H */\r
-\r
+/*
+ * Copyright (c) 2001-2003, David Janssens
+ * Copyright (c) 2002-2003, Yannick Verschueren
+ * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
+ * Copyright (c) 2005, Herv\8e Drolon, FreeImage Team
+ * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef __J2K_CONVERT_H
+#define __J2K_CONVERT_H
+
+opj_image_t* bmptoimage(char *filename, opj_cparameters_t *parameters);
+
+int imagetobmp(opj_image_t *image, char *outfile);
+
+/**
+Load a single image component encoded in PGX file format
+@param filename Name of the PGX file to load
+@param parameters *List ?*
+@return Returns a greyscale image if successful, returns NULL otherwise
+*/
+opj_image_t* pgxtoimage(char *filename, opj_cparameters_t *parameters);
+
+int imagetopgx(opj_image_t *image, char *outfile);
+
+opj_image_t* pnmtoimage(char *filename, opj_cparameters_t *parameters);
+
+int imagetopnm(opj_image_t *image, char *outfile);
+
+#endif /* __J2K_CONVERT_H */
+
-/*\r
- * Copyright (c) 2001-2003, David Janssens\r
- * Copyright (c) 2002-2003, Yannick Verschueren\r
- * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe\r
- * Copyright (c) 2005, Hervé Drolon, FreeImage Team\r
- * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium\r
- * All rights reserved.\r
- *\r
- * Redistribution and use in source and binary forms, with or without\r
- * modification, are permitted provided that the following conditions\r
- * are met:\r
- * 1. Redistributions of source code must retain the above copyright\r
- * notice, this list of conditions and the following disclaimer.\r
- * 2. Redistributions in binary form must reproduce the above copyright\r
- * notice, this list of conditions and the following disclaimer in the\r
- * documentation and/or other materials provided with the distribution.\r
- *\r
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'\r
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE\r
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\r
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\r
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\r
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\r
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
- * POSSIBILITY OF SUCH DAMAGE.\r
- */\r
-#include <stdio.h>\r
-#include <string.h>\r
-#include <stdlib.h>\r
-\r
-#include "openjpeg.h"\r
-#include "compat/getopt.h"\r
-#include "convert.h"\r
-\r
-#ifndef WIN32\r
-#define stricmp strcasecmp\r
-#define strnicmp strncasecmp\r
-#endif\r
-\r
-/* ----------------------------------------------------------------------- */\r
-\r
-#define J2K_CFMT 0\r
-#define JP2_CFMT 1\r
-#define JPT_CFMT 2\r
-#define MJ2_CFMT 3\r
-#define PXM_DFMT 0\r
-#define PGX_DFMT 1\r
-#define BMP_DFMT 2\r
-#define YUV_DFMT 3\r
-\r
-/* ----------------------------------------------------------------------- */\r
-\r
-void encode_help_display() {\r
- fprintf(stdout,"HELP\n----\n\n");\r
- fprintf(stdout,"- the -h option displays this help information on screen\n\n");\r
-\r
-\r
- fprintf(stdout,"List of parameters for the JPEG 2000 encoder:\n");\r
- fprintf(stdout,"\n");\r
- fprintf(stdout,"REMARKS:\n");\r
- fprintf(stdout,"---------\n");\r
- fprintf(stdout,"\n");\r
- fprintf(stdout,"The markers written to the main_header are : SOC SIZ COD QCD COM.\n");\r
- fprintf(stdout,"COD and QCD never appear in the tile_header.\n");\r
- fprintf(stdout,"\n");\r
- fprintf(stdout,"- This coder can encode a mega image, a test was made on a 24000x24000 pixels \n");\r
- fprintf(stdout,"color image. You need enough disk space memory (twice the original) to encode \n");\r
- fprintf(stdout,"the image,i.e. for a 1.5 GB image you need a minimum of 3GB of disk memory)\n");\r
- fprintf(stdout,"\n");\r
- fprintf(stdout,"By default:\n");\r
- fprintf(stdout,"------------\n");\r
- fprintf(stdout,"\n");\r
- fprintf(stdout," * Lossless\n");\r
- fprintf(stdout," * 1 tile\n");\r
- fprintf(stdout," * Size of precinct : 2^15 x 2^15 (means 1 precinct)\n");\r
- fprintf(stdout," * Size of code-block : 64 x 64\n");\r
- fprintf(stdout," * Number of resolutions: 6\n");\r
- fprintf(stdout," * No SOP marker in the codestream\n");\r
- fprintf(stdout," * No EPH marker in the codestream\n");\r
- fprintf(stdout," * No sub-sampling in x or y direction\n");\r
- fprintf(stdout," * No mode switch activated\n");\r
- fprintf(stdout," * Progression order: LRCP\n");\r
- fprintf(stdout," * No index file\n");\r
- fprintf(stdout," * No ROI upshifted\n");\r
- fprintf(stdout," * No offset of the origin of the image\n");\r
- fprintf(stdout," * No offset of the origin of the tiles\n");\r
- fprintf(stdout," * Reversible DWT 5-3\n");\r
- fprintf(stdout,"\n");\r
- fprintf(stdout,"Parameters:\n");\r
- fprintf(stdout,"------------\n");\r
- fprintf(stdout,"\n");\r
- fprintf(stdout,"Required Parameters (except with -h):\n");\r
- fprintf(stdout,"\n");\r
- fprintf(stdout,"-i : source file (-i source.pnm also *.pgm, *.ppm) \n");\r
- fprintf(stdout,"\n");\r
- fprintf(stdout,"-o : destination file (-o dest.j2k or .jp2) \n");\r
- fprintf(stdout,"\n");\r
- fprintf(stdout,"Optional Parameters:\n");\r
- fprintf(stdout,"\n");\r
- fprintf(stdout,"-h : display the help information \n ");\r
- fprintf(stdout,"\n");\r
- fprintf(stdout,"-r : different compression ratios for successive layers (-r 20,10,5)\n ");\r
- fprintf(stdout," - The rate specified for each quality level is the desired \n");\r
- fprintf(stdout," compression factor.\n");\r
- fprintf(stdout," Example: -r 20,10,1 means quality 1: compress 20x, \n");\r
- fprintf(stdout," quality 2: compress 10x and quality 3: compress lossless\n");\r
- fprintf(stdout,"\n");\r
- fprintf(stdout," (options -r and -q cannot be used together)\n ");\r
- fprintf(stdout,"\n");\r
-\r
- fprintf(stdout,"-q : different psnr for successive layers (-q 30,40,50) \n ");\r
-\r
- fprintf(stdout," (options -r and -q cannot be used together)\n ");\r
-\r
- fprintf(stdout,"\n");\r
- fprintf(stdout,"-n : number of resolutions (-n 3) \n");\r
- fprintf(stdout,"\n");\r
- fprintf(stdout,"-b : size of code block (-b 32,32) \n");\r
- fprintf(stdout,"\n");\r
- fprintf(stdout,"-c : size of precinct (-c 128,128) \n");\r
- fprintf(stdout,"\n");\r
- fprintf(stdout,"-t : size of tile (-t 512,512) \n");\r
- fprintf(stdout,"\n");\r
- fprintf(stdout,"-p : progression order (-p LRCP) [LRCP, RLCP, RPCL, PCRL, CPRL] \n");\r
- fprintf(stdout,"\n");\r
- fprintf(stdout,"-s : subsampling factor (-s 2,2) [-s X,Y] \n");\r
- fprintf(stdout," Remark: subsampling bigger than 2 can produce error\n");\r
- fprintf(stdout,"\n");\r
- fprintf(stdout,"-SOP : write SOP marker before each packet \n");\r
- fprintf(stdout,"\n");\r
- fprintf(stdout,"-EPH : write EPH marker after each header packet \n");\r
- fprintf(stdout,"\n");\r
- fprintf(stdout,"-M : mode switch (-M 3) [1=BYPASS(LAZY) 2=RESET 4=RESTART(TERMALL)\n");\r
- fprintf(stdout," 8=VSC 16=ERTERM(SEGTERM) 32=SEGMARK(SEGSYM)] \n");\r
- fprintf(stdout," Indicate multiple modes by adding their values. \n");\r
- fprintf(stdout," ex: RESTART(4) + RESET(2) + SEGMARK(32) = -M 38\n");\r
- fprintf(stdout,"\n");\r
- fprintf(stdout,"-x : create an index file *.Idx (-x index_name.Idx) \n");\r
- fprintf(stdout,"\n");\r
- fprintf(stdout,"-ROI : c=%%d,U=%%d : quantization indices upshifted \n");\r
- fprintf(stdout," for component c=%%d [%%d = 0,1,2]\n");\r
- fprintf(stdout," with a value of U=%%d [0 <= %%d <= 37] (i.e. -ROI:c=0,U=25) \n");\r
- fprintf(stdout,"\n");\r
- fprintf(stdout,"-d : offset of the origin of the image (-d 150,300) \n");\r
- fprintf(stdout,"\n");\r
- fprintf(stdout,"-T : offset of the origin of the tiles (-T 100,75) \n");\r
- fprintf(stdout,"\n");\r
- fprintf(stdout,"-I : use the irreversible DWT 9-7 (-I) \n");\r
- fprintf(stdout,"\n");\r
- fprintf(stdout,"IMPORTANT:\n");\r
- fprintf(stdout,"-----------\n");\r
- fprintf(stdout,"\n");\r
- fprintf(stdout,"The index file has the structure below:\n");\r
- fprintf(stdout,"---------------------------------------\n");\r
- fprintf(stdout,"\n");\r
- fprintf(stdout,"Image_height Image_width\n");\r
- fprintf(stdout,"progression order\n");\r
- fprintf(stdout,"Tiles_size_X Tiles_size_Y\n");\r
- fprintf(stdout,"Components_nb\n");\r
- fprintf(stdout,"Layers_nb\n");\r
- fprintf(stdout,"decomposition_levels\n");\r
- fprintf(stdout,"[Precincts_size_X_res_Nr Precincts_size_Y_res_Nr]...\n");\r
- fprintf(stdout," [Precincts_size_X_res_0 Precincts_size_Y_res_0]\n");\r
- fprintf(stdout,"Main_header_end_position\n");\r
- fprintf(stdout,"Codestream_size\n");\r
- fprintf(stdout,"Tile_0 start_pos end_Theader end_pos TotalDisto NumPix MaxMSE\n");\r
- fprintf(stdout,"Tile_1 '' '' '' '' '' ''\n");\r
- fprintf(stdout,"...\n");\r
- fprintf(stdout,"Tile_Nt '' '' '' '' '' ''\n");\r
- fprintf(stdout,"Tpacket_0 Tile layer res. comp. prec. start_pos end_pos disto\n");\r
- fprintf(stdout,"...\n");\r
- fprintf(stdout,"Tpacket_Np '' '' '' '' '' '' '' ''\n");\r
-\r
- fprintf(stdout,"MaxDisto\n");\r
-\r
- fprintf(stdout,"TotalDisto\n\n");\r
-}\r
-\r
-OPJ_PROG_ORDER give_progression(char progression[4]) {\r
- if(strncmp(progression, "LRCP", 4) == 0) {\r
- return LRCP;\r
- }\r
- if(strncmp(progression, "RLCP", 4) == 0) {\r
- return RLCP;\r
- }\r
- if(strncmp(progression, "RPCL", 4) == 0) {\r
- return RPCL;\r
- }\r
- if(strncmp(progression, "PCRL", 4) == 0) {\r
- return PCRL;\r
- }\r
- if(strncmp(progression, "CPRL", 4) == 0) {\r
- return CPRL;\r
- }\r
-\r
- return PROG_UNKNOWN;\r
-}\r
-\r
-int get_file_format(char *filename) {\r
- unsigned int i;\r
- static const char *extension[] = {"pgx", "pnm", "pgm", "ppm", "bmp", "j2k", "jp2" };\r
- static const int format[] = { PGX_DFMT, PXM_DFMT, PXM_DFMT, PXM_DFMT, BMP_DFMT, J2K_CFMT, JP2_CFMT };\r
- char * ext = strrchr(filename, '.') + 1;\r
- for(i = 0; i < sizeof(format); i++) {\r
- if(strnicmp(ext, extension[i], 3) == 0) {\r
- return format[i];\r
- }\r
- }\r
-\r
- return -1;\r
-}\r
-\r
-/* ------------------------------------------------------------------------------------ */\r
-\r
-int parse_cmdline_encoder(int argc, char **argv, opj_cparameters_t *parameters) {\r
- int i, j;\r
-\r
- /* parse the command line */\r
-\r
- while (1) {\r
- int c = getopt(argc, argv, "i:o:r:q:f:t:n:c:b:x:p:s:d:h:P:S:E:M:R:T:C:I");\r
- if (c == -1)\r
- break;\r
- switch (c) {\r
- case 'i': /* input file */\r
- {\r
- char *infile = optarg;\r
- parameters->decod_format = get_file_format(infile);\r
- switch(parameters->decod_format) {\r
- case PGX_DFMT:\r
- case PXM_DFMT:\r
- case BMP_DFMT:\r
- break;\r
- default:\r
- fprintf(stderr, \r
- "!! Unrecognized format for infile : %s [accept only *.pnm, *.pgm, *.ppm, *.pgx or *.bmp] !!\n\n", \r
- infile);\r
- return 1;\r
- break;\r
- }\r
- strncpy(parameters->infile, infile, MAX_PATH);\r
- }\r
- break;\r
- \r
- /* ----------------------------------------------------- */\r
-\r
- case 'o': /* output file */\r
- {\r
- char *outfile = optarg;\r
- parameters->cod_format = get_file_format(outfile);\r
- switch(parameters->cod_format) {\r
- case J2K_CFMT:\r
- case JP2_CFMT:\r
- break;\r
- default:\r
- fprintf(stderr, "Unknown output format image %s [only *.j2k, *.jp2]!! \n", outfile);\r
- return 1;\r
- break;\r
- }\r
- strncpy(parameters->outfile, outfile, MAX_PATH);\r
- }\r
- break;\r
-\r
- /* ----------------------------------------------------- */\r
- \r
- case 'r': /* rates rates/distorsion */\r
- {\r
- char *s = optarg;\r
- while (sscanf(s, "%d", ¶meters->tcp_rates[parameters->tcp_numlayers]) == 1) {\r
- parameters->tcp_numlayers++;\r
- while (*s && *s != ',') {\r
- s++;\r
- }\r
- if (!*s)\r
- break;\r
- s++;\r
- }\r
- parameters->cp_disto_alloc = 1;\r
- }\r
- break;\r
- \r
- /* ----------------------------------------------------- */\r
- \r
- case 'q': /* add fixed_quality */\r
- {\r
- char *s = optarg;\r
- while (sscanf(s, "%f", ¶meters->tcp_distoratio[parameters->tcp_numlayers]) == 1) {\r
- parameters->tcp_numlayers++;\r
- while (*s && *s != ',') {\r
- s++;\r
- }\r
- if (!*s)\r
- break;\r
- s++;\r
- }\r
- parameters->cp_fixed_quality = 1;\r
- }\r
- break;\r
- \r
- /* dda */\r
- /* ----------------------------------------------------- */\r
-\r
- case 'f': /* mod fixed_quality (before : -q) */\r
- {\r
- int *row = NULL, *col = NULL;\r
- int numlayers = 0, numresolution = 0, matrix_width = 0;\r
-\r
- char *s = optarg;\r
- sscanf(s, "%d", &numlayers);\r
- s++;\r
- if (numlayers > 9)\r
- s++;\r
-\r
- parameters->tcp_numlayers = numlayers;\r
- numresolution = parameters->numresolution;\r
- matrix_width = numresolution * 3;\r
- parameters->cp_matrice = (int *) malloc(numlayers * matrix_width * sizeof(int));\r
- s = s + 2;\r
-\r
- for (i = 0; i < numlayers; i++) {\r
- row = ¶meters->cp_matrice[i * matrix_width];\r
- col = row;\r
- parameters->tcp_rates[i] = 1;\r
- sscanf(s, "%d,", &col[0]);\r
- s += 2;\r
- if (col[0] > 9)\r
- s++;\r
- col[1] = 0;\r
- col[2] = 0;\r
- for (j = 1; j < numresolution; j++) {\r
- col += 3;\r
- sscanf(s, "%d,%d,%d", &col[0], &col[1], &col[2]);\r
- s += 6;\r
- if (col[0] > 9)\r
- s++;\r
- if (col[1] > 9)\r
- s++;\r
- if (col[2] > 9)\r
- s++;\r
- }\r
- if (i < numlayers - 1)\r
- s++;\r
- }\r
- parameters->cp_fixed_alloc = 1;\r
- }\r
- break;\r
- \r
- /* ----------------------------------------------------- */\r
-\r
- case 't': /* tiles */\r
- {\r
- sscanf(optarg, "%d,%d", ¶meters->cp_tdx, ¶meters->cp_tdy);\r
- parameters->tile_size_on = true;\r
- }\r
- break;\r
- \r
- /* ----------------------------------------------------- */\r
- \r
- case 'n': /* resolution */\r
- {\r
- sscanf(optarg, "%d", ¶meters->numresolution);\r
- }\r
- break;\r
- \r
- /* ----------------------------------------------------- */\r
- case 'c': /* precinct dimension */\r
- {\r
- char sep;\r
- int res_spec = 0;\r
-\r
- char *s = optarg;\r
- do {\r
- sep = 0;\r
- sscanf(s, "[%d,%d]%c", ¶meters->prcw_init[res_spec], ¶meters->prch_init[res_spec], &sep);\r
- parameters->csty |= 0x01;\r
- res_spec++;\r
- s = strpbrk(s, "]") + 2;\r
- }\r
- while (sep == ',');\r
- parameters->res_spec = res_spec;\r
- }\r
- break;\r
- \r
- /* ----------------------------------------------------- */\r
- \r
- case 'b': /* code-block dimension */\r
- {\r
- int cblockw_init = 0, cblockh_init = 0;\r
- sscanf(optarg, "%d,%d", &cblockw_init, &cblockh_init);\r
- if (cblockw_init * cblockh_init > 4096 || cblockw_init > 1024\r
- || cblockw_init < 4 || cblockh_init > 1024 || cblockh_init < 4) {\r
- fprintf(stderr,\r
- "!! Size of code_block error (option -b) !!\n\nRestriction :\n * width*height<=4096\n * 4<=width,height<= 1024\n\n");\r
- return 1;\r
- }\r
- parameters->cblockw_init = cblockw_init;\r
- parameters->cblockh_init = cblockh_init;\r
- }\r
- break;\r
- \r
- /* ----------------------------------------------------- */\r
- \r
- case 'x': /* creation of index file */\r
- {\r
- char *index = optarg;\r
- strncpy(parameters->index, index, MAX_PATH);\r
- parameters->index_on = 1;\r
- }\r
- break;\r
- \r
- /* ----------------------------------------------------- */\r
- \r
- case 'p': /* progression order */\r
- {\r
- char progression[4];\r
-\r
- strncpy(progression, optarg, 4);\r
- parameters->prog_order = give_progression(progression);\r
- if (parameters->prog_order == -1) {\r
- fprintf(stderr, "Unrecognized progression order [LRCP, RLCP, RPCL, PCRL, CPRL] !!\n");\r
- return 1;\r
- }\r
- }\r
- break;\r
- \r
- /* ----------------------------------------------------- */\r
- \r
- case 's': /* subsampling factor */\r
- {\r
- if (sscanf(optarg, "%d,%d", ¶meters->subsampling_dx, ¶meters->subsampling_dy) != 2) {\r
- fprintf(stderr, "'-s' sub-sampling argument error ! [-s dx,dy]\n");\r
- return 1;\r
- }\r
- }\r
- break;\r
- \r
- /* ----------------------------------------------------- */\r
- \r
- case 'd': /* coordonnate of the reference grid */\r
- {\r
- if (sscanf(optarg, "%d,%d", ¶meters->image_offset_x0, ¶meters->image_offset_y0) != 2) {\r
- fprintf(stderr, "-d 'coordonnate of the reference grid' argument error !! [-d x0,y0]\n");\r
- return 1;\r
- }\r
- }\r
- break;\r
- \r
- /* ----------------------------------------------------- */\r
- \r
- case 'h': /* display an help description */\r
- {\r
- encode_help_display();\r
- return 1;\r
- }\r
- break;\r
- \r
- /* ----------------------------------------------------- */\r
-\r
- case 'P': /* POC */\r
- {\r
- int numpocs = 0; /* number of progression order change (POC) default 0 */\r
- opj_poc_t *POC = NULL; /* POC : used in case of Progression order change */\r
-\r
- char *s = optarg;\r
- POC = parameters->POC;\r
-\r
- fprintf(stderr, "/----------------------------------\\\n");\r
- fprintf(stderr, "| POC option not fully tested !! |\n");\r
- fprintf(stderr, "\\----------------------------------/\n");\r
- \r
- while (sscanf(s, "T%d=%d,%d,%d,%d,%d,%s", &POC[numpocs].tile,\r
- &POC[numpocs].resno0, &POC[numpocs].compno0,\r
- &POC[numpocs].layno1, &POC[numpocs].resno1,\r
- &POC[numpocs].compno1, POC[numpocs].progorder) == 7) {\r
- POC[numpocs].prg = give_progression(POC[numpocs].progorder);\r
- /* POC[numpocs].tile; */\r
- numpocs++;\r
- while (*s && *s != '/') {\r
- s++;\r
- }\r
- if (!*s) {\r
- break;\r
- }\r
- s++;\r
- }\r
- parameters->numpocs = numpocs;\r
- }\r
- break;\r
- \r
- /* ------------------------------------------------------ */\r
- \r
- case 'S': /* SOP marker */\r
- {\r
- parameters->csty |= 0x02;\r
- }\r
- break;\r
- \r
- /* ------------------------------------------------------ */\r
- \r
- case 'E': /* EPH marker */\r
- {\r
- parameters->csty |= 0x04;\r
- }\r
- break;\r
- \r
- /* ------------------------------------------------------ */\r
- \r
- case 'M': /* Mode switch pas tous au point !! */\r
- {\r
- int value = 0;\r
- if (sscanf(optarg, "%d", &value) == 1) {\r
- for (i = 0; i <= 5; i++) {\r
- int cache = value & (1 << i);\r
- if (cache)\r
- parameters->mode |= (1 << i);\r
- }\r
- }\r
- }\r
- break;\r
- \r
- /* ------------------------------------------------------ */\r
- \r
- case 'R': /* ROI */\r
- {\r
- if (sscanf(optarg, "OI:c=%d,U=%d", ¶meters->roi_compno, ¶meters->roi_shift) != 2) {\r
- fprintf(stderr, "ROI error !! [-ROI:c='compno',U='shift']\n");\r
- return 1;\r
- }\r
- }\r
- break;\r
- \r
- /* ------------------------------------------------------ */\r
- \r
- case 'T': /* Tile offset */\r
- {\r
- if (sscanf(optarg, "%d,%d", ¶meters->cp_tx0, ¶meters->cp_ty0) != 2) {\r
- fprintf(stderr, "-T 'tile offset' argument error !! [-T X0,Y0]");\r
- return 1;\r
- }\r
- }\r
- break;\r
- \r
- /* ------------------------------------------------------ */\r
- \r
- case 'C': /* add a comment */\r
- {\r
- parameters->cp_comment = (char*)malloc(strlen(optarg) + 1);\r
- if(parameters->cp_comment) {\r
- strcpy(parameters->cp_comment, optarg);\r
- }\r
- }\r
- break;\r
- \r
- /* ------------------------------------------------------ */\r
- \r
- case 'I': /* reversible or not */\r
- {\r
- parameters->irreversible = 1;\r
- }\r
- break;\r
- \r
- /* ------------------------------------------------------ */\r
- \r
- default:\r
- fprintf(stderr, "ERROR -> this option is not valid \"-%c %s\"\n", c, optarg);\r
- return 1;\r
- }\r
- }\r
-\r
- /* check for possible errors */\r
-\r
- if((parameters->infile[0] == 0) || (parameters->outfile[0] == 0)) {\r
- fprintf(stderr, "usage: image_to_j2k -i image-file -o j2k/jp2-file (+ options)\n");\r
- return 1;\r
- }\r
-\r
- if ((parameters->cp_disto_alloc || parameters->cp_fixed_alloc || parameters->cp_fixed_quality)\r
- && (!(parameters->cp_disto_alloc ^ parameters->cp_fixed_alloc ^ parameters->cp_fixed_quality))) {\r
- fprintf(stderr, "Error: options -r -q and -f cannot be used together !!\n");\r
- return 1;\r
- } /* mod fixed_quality */\r
-\r
- /* if no rate entered, lossless by default */\r
- if (parameters->tcp_numlayers == 0) {\r
- parameters->tcp_rates[0] = 0; /* MOD antonin : losslessbug */\r
- parameters->tcp_numlayers++;\r
- parameters->cp_disto_alloc = 1;\r
- }\r
-\r
- if((parameters->cp_tx0 > parameters->image_offset_x0) || (parameters->cp_ty0 > parameters->image_offset_y0)) {\r
- fprintf(stderr,\r
- "Error: Tile offset dimension is unnappropriate --> TX0(%d)<=IMG_X0(%d) TYO(%d)<=IMG_Y0(%d) \n",\r
- parameters->cp_tx0, parameters->image_offset_x0, parameters->cp_ty0, parameters->image_offset_y0);\r
- return 1;\r
- }\r
-\r
- for (i = 0; i < parameters->numpocs; i++) {\r
- if (parameters->POC[i].prg == -1) {\r
- fprintf(stderr,\r
- "Unrecognized progression order in option -P (POC n %d) [LRCP, RLCP, RPCL, PCRL, CPRL] !!\n",\r
- i + 1);\r
- }\r
- }\r
-\r
- return 0;\r
-}\r
-\r
-/* -------------------------------------------------------------------------- */\r
-\r
-/**\r
-sample error callback expecting a FILE* client object\r
-*/\r
-void error_callback(const char *msg, void *client_data) {\r
- FILE *stream = (FILE*)client_data;\r
- fprintf(stream, "[ERROR] %s", msg);\r
-}\r
-/**\r
-sample warning callback expecting a FILE* client object\r
-*/\r
-void warning_callback(const char *msg, void *client_data) {\r
- FILE *stream = (FILE*)client_data;\r
- fprintf(stream, "[WARNING] %s", msg);\r
-}\r
-/**\r
-sample debug callback expecting a FILE* client object\r
-*/\r
-void info_callback(const char *msg, void *client_data) {\r
- FILE *stream = (FILE*)client_data;\r
- fprintf(stream, "[INFO] %s", msg);\r
-}\r
-\r
-/* -------------------------------------------------------------------------- */\r
-\r
-int main(int argc, char **argv) {\r
- bool bSuccess;\r
- bool delete_comment = true;\r
- opj_cparameters_t parameters; /* compression parameters */\r
- opj_event_mgr_t event_mgr; /* event manager */\r
- opj_image_t *image = NULL;\r
-\r
- /* \r
- configure the event callbacks (not required)\r
- setting of each callback is optionnal \r
- */\r
- memset(&event_mgr, 0, sizeof(opj_event_mgr_t));\r
- event_mgr.error_handler = error_callback;\r
- event_mgr.warning_handler = warning_callback;\r
- event_mgr.info_handler = info_callback;\r
-\r
- /* set encoding parameters to default values */\r
- opj_set_default_encoder_parameters(¶meters);\r
-\r
- /* parse input and get user encoding parameters */\r
- if(parse_cmdline_encoder(argc, argv, ¶meters) == 1) {\r
- return 0;\r
- }\r
-\r
- if(parameters.cp_comment == NULL) {\r
- parameters.cp_comment = "Created by OpenJPEG version 0.9";\r
- /* no need to delete parameters.cp_comment on exit */\r
- delete_comment = false;\r
- }\r
-\r
- /* decode the source image */\r
- /* ----------------------- */\r
-\r
- switch (parameters.decod_format) {\r
- case PGX_DFMT:\r
- image = pgxtoimage(parameters.infile, ¶meters);\r
- if (!image) {\r
- fprintf(stderr, " unable to load pgx file\n");\r
- return 1;\r
- }\r
- break;\r
- \r
- case PXM_DFMT:\r
- image = pnmtoimage(parameters.infile, ¶meters);\r
- if (!image) {\r
- fprintf(stderr, " not a pnm file\n");\r
- return 1;\r
- }\r
- break;\r
-\r
- case BMP_DFMT:\r
- image = bmptoimage(parameters.infile, ¶meters);\r
- if (!image) {\r
- fprintf(stderr, " not a bmp file\n");\r
- return 1;\r
- }\r
- break;\r
- }\r
-\r
- /* encode the destination image */\r
- /* ---------------------------- */\r
-\r
- if (parameters.cod_format == J2K_CFMT) { /* J2K format output */\r
- int codestream_length;\r
- opj_cio_t *cio = NULL;\r
- FILE *f = NULL;\r
-\r
- /* get a J2K compressor handle */\r
- opj_cinfo_t* cinfo = opj_create_compress(CODEC_J2K);\r
-\r
- /* catch events using our callbacks and give a local context */\r
- opj_set_event_mgr((opj_common_ptr)cinfo, &event_mgr, stderr); \r
-\r
- /* setup the encoder parameters using the current image and using user parameters */\r
- opj_setup_encoder(cinfo, ¶meters, image);\r
-\r
- /* open a byte stream for writing */\r
- /* allocate memory for all tiles */\r
- cio = opj_cio_open((opj_common_ptr)cinfo, NULL, 0);\r
-\r
- /* encode the image */\r
- bSuccess = opj_encode(cinfo, cio, image, parameters.index);\r
- if (!bSuccess) {\r
- opj_cio_close(cio);\r
- fprintf(stderr, "failed to encode image\n");\r
- return 1;\r
- }\r
- codestream_length = cio_tell(cio);\r
-\r
- /* write the buffer to disk */\r
- f = fopen(parameters.outfile, "wb");\r
- if (!f) {\r
- fprintf(stderr, "failed to open %s for writing\n", parameters.outfile);\r
- return 1;\r
- }\r
- fwrite(cio->buffer, 1, codestream_length, f);\r
- fclose(f);\r
-\r
- /* close and free the byte stream */\r
- opj_cio_close(cio);\r
-\r
- /* free remaining compression structures */\r
- opj_destroy_compress(cinfo);\r
-\r
- } else { /* JP2 format output */\r
- int codestream_length;\r
- opj_cio_t *cio = NULL;\r
- FILE *f = NULL;\r
-\r
- /* get a JP2 compressor handle */\r
- opj_cinfo_t* cinfo = opj_create_compress(CODEC_JP2);\r
-\r
- /* catch events using our callbacks and give a local context */\r
- opj_set_event_mgr((opj_common_ptr)cinfo, &event_mgr, stderr); \r
-\r
- /* setup the encoder parameters using the current image and using user parameters */\r
- opj_setup_encoder(cinfo, ¶meters, image);\r
-\r
- /* open a byte stream for writing */\r
- /* allocate memory for all tiles */\r
- cio = opj_cio_open((opj_common_ptr)cinfo, NULL, 0);\r
-\r
- /* encode the image */\r
- bSuccess = opj_encode(cinfo, cio, image, parameters.index);\r
- if (!bSuccess) {\r
- opj_cio_close(cio);\r
- fprintf(stderr, "failed to encode image\n");\r
- return 1;\r
- }\r
- codestream_length = cio_tell(cio);\r
-\r
- /* write the buffer to disk */\r
- f = fopen(parameters.outfile, "wb");\r
- if (!f) {\r
- fprintf(stderr, "failed to open %s for writing\n", parameters.outfile);\r
- return 1;\r
- }\r
- fwrite(cio->buffer, 1, codestream_length, f);\r
- fclose(f);\r
-\r
- /* close and free the byte stream */\r
- opj_cio_close(cio);\r
-\r
- /* free remaining compression structures */\r
- opj_destroy_compress(cinfo);\r
-\r
- }\r
-\r
- /* free user parameters structure */\r
- if(delete_comment) {\r
- if(parameters.cp_comment) free(parameters.cp_comment);\r
- }\r
- if(parameters.cp_matrice) free(parameters.cp_matrice);\r
-\r
- /* free image data */\r
- opj_image_destroy(image);\r
-\r
- return 0;\r
-}\r
-\r
+/*
+ * Copyright (c) 2001-2003, David Janssens
+ * Copyright (c) 2002-2003, Yannick Verschueren
+ * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
+ * Copyright (c) 2005, Hervé Drolon, FreeImage Team
+ * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include "openjpeg.h"
+#include "compat/getopt.h"
+#include "convert.h"
+
+#ifndef WIN32
+#define stricmp strcasecmp
+#define strnicmp strncasecmp
+#endif
+
+/* ----------------------------------------------------------------------- */
+
+#define J2K_CFMT 0
+#define JP2_CFMT 1
+#define JPT_CFMT 2
+#define MJ2_CFMT 3
+#define PXM_DFMT 0
+#define PGX_DFMT 1
+#define BMP_DFMT 2
+#define YUV_DFMT 3
+
+/* ----------------------------------------------------------------------- */
+
+void encode_help_display() {
+ fprintf(stdout,"HELP\n----\n\n");
+ fprintf(stdout,"- the -h option displays this help information on screen\n\n");
+
+
+ fprintf(stdout,"List of parameters for the JPEG 2000 encoder:\n");
+ fprintf(stdout,"\n");
+ fprintf(stdout,"REMARKS:\n");
+ fprintf(stdout,"---------\n");
+ fprintf(stdout,"\n");
+ fprintf(stdout,"The markers written to the main_header are : SOC SIZ COD QCD COM.\n");
+ fprintf(stdout,"COD and QCD never appear in the tile_header.\n");
+ fprintf(stdout,"\n");
+ fprintf(stdout,"- This coder can encode a mega image, a test was made on a 24000x24000 pixels \n");
+ fprintf(stdout,"color image. You need enough disk space memory (twice the original) to encode \n");
+ fprintf(stdout,"the image,i.e. for a 1.5 GB image you need a minimum of 3GB of disk memory)\n");
+ fprintf(stdout,"\n");
+ fprintf(stdout,"By default:\n");
+ fprintf(stdout,"------------\n");
+ fprintf(stdout,"\n");
+ fprintf(stdout," * Lossless\n");
+ fprintf(stdout," * 1 tile\n");
+ fprintf(stdout," * Size of precinct : 2^15 x 2^15 (means 1 precinct)\n");
+ fprintf(stdout," * Size of code-block : 64 x 64\n");
+ fprintf(stdout," * Number of resolutions: 6\n");
+ fprintf(stdout," * No SOP marker in the codestream\n");
+ fprintf(stdout," * No EPH marker in the codestream\n");
+ fprintf(stdout," * No sub-sampling in x or y direction\n");
+ fprintf(stdout," * No mode switch activated\n");
+ fprintf(stdout," * Progression order: LRCP\n");
+ fprintf(stdout," * No index file\n");
+ fprintf(stdout," * No ROI upshifted\n");
+ fprintf(stdout," * No offset of the origin of the image\n");
+ fprintf(stdout," * No offset of the origin of the tiles\n");
+ fprintf(stdout," * Reversible DWT 5-3\n");
+ fprintf(stdout,"\n");
+ fprintf(stdout,"Parameters:\n");
+ fprintf(stdout,"------------\n");
+ fprintf(stdout,"\n");
+ fprintf(stdout,"Required Parameters (except with -h):\n");
+ fprintf(stdout,"\n");
+ fprintf(stdout,"-i : source file (-i source.pnm also *.pgm, *.ppm) \n");
+ fprintf(stdout,"\n");
+ fprintf(stdout,"-o : destination file (-o dest.j2k or .jp2) \n");
+ fprintf(stdout,"\n");
+ fprintf(stdout,"Optional Parameters:\n");
+ fprintf(stdout,"\n");
+ fprintf(stdout,"-h : display the help information \n ");
+ fprintf(stdout,"\n");
+ fprintf(stdout,"-r : different compression ratios for successive layers (-r 20,10,5)\n ");
+ fprintf(stdout," - The rate specified for each quality level is the desired \n");
+ fprintf(stdout," compression factor.\n");
+ fprintf(stdout," Example: -r 20,10,1 means quality 1: compress 20x, \n");
+ fprintf(stdout," quality 2: compress 10x and quality 3: compress lossless\n");
+ fprintf(stdout,"\n");
+ fprintf(stdout," (options -r and -q cannot be used together)\n ");
+ fprintf(stdout,"\n");
+
+ fprintf(stdout,"-q : different psnr for successive layers (-q 30,40,50) \n ");
+
+ fprintf(stdout," (options -r and -q cannot be used together)\n ");
+
+ fprintf(stdout,"\n");
+ fprintf(stdout,"-n : number of resolutions (-n 3) \n");
+ fprintf(stdout,"\n");
+ fprintf(stdout,"-b : size of code block (-b 32,32) \n");
+ fprintf(stdout,"\n");
+ fprintf(stdout,"-c : size of precinct (-c 128,128) \n");
+ fprintf(stdout,"\n");
+ fprintf(stdout,"-t : size of tile (-t 512,512) \n");
+ fprintf(stdout,"\n");
+ fprintf(stdout,"-p : progression order (-p LRCP) [LRCP, RLCP, RPCL, PCRL, CPRL] \n");
+ fprintf(stdout,"\n");
+ fprintf(stdout,"-s : subsampling factor (-s 2,2) [-s X,Y] \n");
+ fprintf(stdout," Remark: subsampling bigger than 2 can produce error\n");
+ fprintf(stdout,"\n");
+ fprintf(stdout,"-SOP : write SOP marker before each packet \n");
+ fprintf(stdout,"\n");
+ fprintf(stdout,"-EPH : write EPH marker after each header packet \n");
+ fprintf(stdout,"\n");
+ fprintf(stdout,"-M : mode switch (-M 3) [1=BYPASS(LAZY) 2=RESET 4=RESTART(TERMALL)\n");
+ fprintf(stdout," 8=VSC 16=ERTERM(SEGTERM) 32=SEGMARK(SEGSYM)] \n");
+ fprintf(stdout," Indicate multiple modes by adding their values. \n");
+ fprintf(stdout," ex: RESTART(4) + RESET(2) + SEGMARK(32) = -M 38\n");
+ fprintf(stdout,"\n");
+ fprintf(stdout,"-x : create an index file *.Idx (-x index_name.Idx) \n");
+ fprintf(stdout,"\n");
+ fprintf(stdout,"-ROI : c=%%d,U=%%d : quantization indices upshifted \n");
+ fprintf(stdout," for component c=%%d [%%d = 0,1,2]\n");
+ fprintf(stdout," with a value of U=%%d [0 <= %%d <= 37] (i.e. -ROI:c=0,U=25) \n");
+ fprintf(stdout,"\n");
+ fprintf(stdout,"-d : offset of the origin of the image (-d 150,300) \n");
+ fprintf(stdout,"\n");
+ fprintf(stdout,"-T : offset of the origin of the tiles (-T 100,75) \n");
+ fprintf(stdout,"\n");
+ fprintf(stdout,"-I : use the irreversible DWT 9-7 (-I) \n");
+ fprintf(stdout,"\n");
+ fprintf(stdout,"IMPORTANT:\n");
+ fprintf(stdout,"-----------\n");
+ fprintf(stdout,"\n");
+ fprintf(stdout,"The index file has the structure below:\n");
+ fprintf(stdout,"---------------------------------------\n");
+ fprintf(stdout,"\n");
+ fprintf(stdout,"Image_height Image_width\n");
+ fprintf(stdout,"progression order\n");
+ fprintf(stdout,"Tiles_size_X Tiles_size_Y\n");
+ fprintf(stdout,"Components_nb\n");
+ fprintf(stdout,"Layers_nb\n");
+ fprintf(stdout,"decomposition_levels\n");
+ fprintf(stdout,"[Precincts_size_X_res_Nr Precincts_size_Y_res_Nr]...\n");
+ fprintf(stdout," [Precincts_size_X_res_0 Precincts_size_Y_res_0]\n");
+ fprintf(stdout,"Main_header_end_position\n");
+ fprintf(stdout,"Codestream_size\n");
+ fprintf(stdout,"Tile_0 start_pos end_Theader end_pos TotalDisto NumPix MaxMSE\n");
+ fprintf(stdout,"Tile_1 '' '' '' '' '' ''\n");
+ fprintf(stdout,"...\n");
+ fprintf(stdout,"Tile_Nt '' '' '' '' '' ''\n");
+ fprintf(stdout,"Tpacket_0 Tile layer res. comp. prec. start_pos end_pos disto\n");
+ fprintf(stdout,"...\n");
+ fprintf(stdout,"Tpacket_Np '' '' '' '' '' '' '' ''\n");
+
+ fprintf(stdout,"MaxDisto\n");
+
+ fprintf(stdout,"TotalDisto\n\n");
+}
+
+OPJ_PROG_ORDER give_progression(char progression[4]) {
+ if(strncmp(progression, "LRCP", 4) == 0) {
+ return LRCP;
+ }
+ if(strncmp(progression, "RLCP", 4) == 0) {
+ return RLCP;
+ }
+ if(strncmp(progression, "RPCL", 4) == 0) {
+ return RPCL;
+ }
+ if(strncmp(progression, "PCRL", 4) == 0) {
+ return PCRL;
+ }
+ if(strncmp(progression, "CPRL", 4) == 0) {
+ return CPRL;
+ }
+
+ return PROG_UNKNOWN;
+}
+
+int get_file_format(char *filename) {
+ unsigned int i;
+ static const char *extension[] = {"pgx", "pnm", "pgm", "ppm", "bmp", "j2k", "jp2" };
+ static const int format[] = { PGX_DFMT, PXM_DFMT, PXM_DFMT, PXM_DFMT, BMP_DFMT, J2K_CFMT, JP2_CFMT };
+ char * ext = strrchr(filename, '.') + 1;
+ for(i = 0; i < sizeof(format); i++) {
+ if(strnicmp(ext, extension[i], 3) == 0) {
+ return format[i];
+ }
+ }
+
+ return -1;
+}
+
+/* ------------------------------------------------------------------------------------ */
+
+int parse_cmdline_encoder(int argc, char **argv, opj_cparameters_t *parameters) {
+ int i, j;
+
+ /* parse the command line */
+
+ while (1) {
+ int c = getopt(argc, argv, "i:o:r:q:f:t:n:c:b:x:p:s:d:h:P:S:E:M:R:T:C:I");
+ if (c == -1)
+ break;
+ switch (c) {
+ case 'i': /* input file */
+ {
+ char *infile = optarg;
+ parameters->decod_format = get_file_format(infile);
+ switch(parameters->decod_format) {
+ case PGX_DFMT:
+ case PXM_DFMT:
+ case BMP_DFMT:
+ break;
+ default:
+ fprintf(stderr,
+ "!! Unrecognized format for infile : %s [accept only *.pnm, *.pgm, *.ppm, *.pgx or *.bmp] !!\n\n",
+ infile);
+ return 1;
+ break;
+ }
+ strncpy(parameters->infile, infile, MAX_PATH);
+ }
+ break;
+
+ /* ----------------------------------------------------- */
+
+ case 'o': /* output file */
+ {
+ char *outfile = optarg;
+ parameters->cod_format = get_file_format(outfile);
+ switch(parameters->cod_format) {
+ case J2K_CFMT:
+ case JP2_CFMT:
+ break;
+ default:
+ fprintf(stderr, "Unknown output format image %s [only *.j2k, *.jp2]!! \n", outfile);
+ return 1;
+ break;
+ }
+ strncpy(parameters->outfile, outfile, MAX_PATH);
+ }
+ break;
+
+ /* ----------------------------------------------------- */
+
+ case 'r': /* rates rates/distorsion */
+ {
+ char *s = optarg;
+ while (sscanf(s, "%d", ¶meters->tcp_rates[parameters->tcp_numlayers]) == 1) {
+ parameters->tcp_numlayers++;
+ while (*s && *s != ',') {
+ s++;
+ }
+ if (!*s)
+ break;
+ s++;
+ }
+ parameters->cp_disto_alloc = 1;
+ }
+ break;
+
+ /* ----------------------------------------------------- */
+
+ case 'q': /* add fixed_quality */
+ {
+ char *s = optarg;
+ while (sscanf(s, "%f", ¶meters->tcp_distoratio[parameters->tcp_numlayers]) == 1) {
+ parameters->tcp_numlayers++;
+ while (*s && *s != ',') {
+ s++;
+ }
+ if (!*s)
+ break;
+ s++;
+ }
+ parameters->cp_fixed_quality = 1;
+ }
+ break;
+
+ /* dda */
+ /* ----------------------------------------------------- */
+
+ case 'f': /* mod fixed_quality (before : -q) */
+ {
+ int *row = NULL, *col = NULL;
+ int numlayers = 0, numresolution = 0, matrix_width = 0;
+
+ char *s = optarg;
+ sscanf(s, "%d", &numlayers);
+ s++;
+ if (numlayers > 9)
+ s++;
+
+ parameters->tcp_numlayers = numlayers;
+ numresolution = parameters->numresolution;
+ matrix_width = numresolution * 3;
+ parameters->cp_matrice = (int *) malloc(numlayers * matrix_width * sizeof(int));
+ s = s + 2;
+
+ for (i = 0; i < numlayers; i++) {
+ row = ¶meters->cp_matrice[i * matrix_width];
+ col = row;
+ parameters->tcp_rates[i] = 1;
+ sscanf(s, "%d,", &col[0]);
+ s += 2;
+ if (col[0] > 9)
+ s++;
+ col[1] = 0;
+ col[2] = 0;
+ for (j = 1; j < numresolution; j++) {
+ col += 3;
+ sscanf(s, "%d,%d,%d", &col[0], &col[1], &col[2]);
+ s += 6;
+ if (col[0] > 9)
+ s++;
+ if (col[1] > 9)
+ s++;
+ if (col[2] > 9)
+ s++;
+ }
+ if (i < numlayers - 1)
+ s++;
+ }
+ parameters->cp_fixed_alloc = 1;
+ }
+ break;
+
+ /* ----------------------------------------------------- */
+
+ case 't': /* tiles */
+ {
+ sscanf(optarg, "%d,%d", ¶meters->cp_tdx, ¶meters->cp_tdy);
+ parameters->tile_size_on = true;
+ }
+ break;
+
+ /* ----------------------------------------------------- */
+
+ case 'n': /* resolution */
+ {
+ sscanf(optarg, "%d", ¶meters->numresolution);
+ }
+ break;
+
+ /* ----------------------------------------------------- */
+ case 'c': /* precinct dimension */
+ {
+ char sep;
+ int res_spec = 0;
+
+ char *s = optarg;
+ do {
+ sep = 0;
+ sscanf(s, "[%d,%d]%c", ¶meters->prcw_init[res_spec], ¶meters->prch_init[res_spec], &sep);
+ parameters->csty |= 0x01;
+ res_spec++;
+ s = strpbrk(s, "]") + 2;
+ }
+ while (sep == ',');
+ parameters->res_spec = res_spec;
+ }
+ break;
+
+ /* ----------------------------------------------------- */
+
+ case 'b': /* code-block dimension */
+ {
+ int cblockw_init = 0, cblockh_init = 0;
+ sscanf(optarg, "%d,%d", &cblockw_init, &cblockh_init);
+ if (cblockw_init * cblockh_init > 4096 || cblockw_init > 1024
+ || cblockw_init < 4 || cblockh_init > 1024 || cblockh_init < 4) {
+ fprintf(stderr,
+ "!! Size of code_block error (option -b) !!\n\nRestriction :\n * width*height<=4096\n * 4<=width,height<= 1024\n\n");
+ return 1;
+ }
+ parameters->cblockw_init = cblockw_init;
+ parameters->cblockh_init = cblockh_init;
+ }
+ break;
+
+ /* ----------------------------------------------------- */
+
+ case 'x': /* creation of index file */
+ {
+ char *index = optarg;
+ strncpy(parameters->index, index, MAX_PATH);
+ parameters->index_on = 1;
+ }
+ break;
+
+ /* ----------------------------------------------------- */
+
+ case 'p': /* progression order */
+ {
+ char progression[4];
+
+ strncpy(progression, optarg, 4);
+ parameters->prog_order = give_progression(progression);
+ if (parameters->prog_order == -1) {
+ fprintf(stderr, "Unrecognized progression order [LRCP, RLCP, RPCL, PCRL, CPRL] !!\n");
+ return 1;
+ }
+ }
+ break;
+
+ /* ----------------------------------------------------- */
+
+ case 's': /* subsampling factor */
+ {
+ if (sscanf(optarg, "%d,%d", ¶meters->subsampling_dx, ¶meters->subsampling_dy) != 2) {
+ fprintf(stderr, "'-s' sub-sampling argument error ! [-s dx,dy]\n");
+ return 1;
+ }
+ }
+ break;
+
+ /* ----------------------------------------------------- */
+
+ case 'd': /* coordonnate of the reference grid */
+ {
+ if (sscanf(optarg, "%d,%d", ¶meters->image_offset_x0, ¶meters->image_offset_y0) != 2) {
+ fprintf(stderr, "-d 'coordonnate of the reference grid' argument error !! [-d x0,y0]\n");
+ return 1;
+ }
+ }
+ break;
+
+ /* ----------------------------------------------------- */
+
+ case 'h': /* display an help description */
+ {
+ encode_help_display();
+ return 1;
+ }
+ break;
+
+ /* ----------------------------------------------------- */
+
+ case 'P': /* POC */
+ {
+ int numpocs = 0; /* number of progression order change (POC) default 0 */
+ opj_poc_t *POC = NULL; /* POC : used in case of Progression order change */
+
+ char *s = optarg;
+ POC = parameters->POC;
+
+ fprintf(stderr, "/----------------------------------\\\n");
+ fprintf(stderr, "| POC option not fully tested !! |\n");
+ fprintf(stderr, "\\----------------------------------/\n");
+
+ while (sscanf(s, "T%d=%d,%d,%d,%d,%d,%s", &POC[numpocs].tile,
+ &POC[numpocs].resno0, &POC[numpocs].compno0,
+ &POC[numpocs].layno1, &POC[numpocs].resno1,
+ &POC[numpocs].compno1, POC[numpocs].progorder) == 7) {
+ POC[numpocs].prg = give_progression(POC[numpocs].progorder);
+ /* POC[numpocs].tile; */
+ numpocs++;
+ while (*s && *s != '/') {
+ s++;
+ }
+ if (!*s) {
+ break;
+ }
+ s++;
+ }
+ parameters->numpocs = numpocs;
+ }
+ break;
+
+ /* ------------------------------------------------------ */
+
+ case 'S': /* SOP marker */
+ {
+ parameters->csty |= 0x02;
+ }
+ break;
+
+ /* ------------------------------------------------------ */
+
+ case 'E': /* EPH marker */
+ {
+ parameters->csty |= 0x04;
+ }
+ break;
+
+ /* ------------------------------------------------------ */
+
+ case 'M': /* Mode switch pas tous au point !! */
+ {
+ int value = 0;
+ if (sscanf(optarg, "%d", &value) == 1) {
+ for (i = 0; i <= 5; i++) {
+ int cache = value & (1 << i);
+ if (cache)
+ parameters->mode |= (1 << i);
+ }
+ }
+ }
+ break;
+
+ /* ------------------------------------------------------ */
+
+ case 'R': /* ROI */
+ {
+ if (sscanf(optarg, "OI:c=%d,U=%d", ¶meters->roi_compno, ¶meters->roi_shift) != 2) {
+ fprintf(stderr, "ROI error !! [-ROI:c='compno',U='shift']\n");
+ return 1;
+ }
+ }
+ break;
+
+ /* ------------------------------------------------------ */
+
+ case 'T': /* Tile offset */
+ {
+ if (sscanf(optarg, "%d,%d", ¶meters->cp_tx0, ¶meters->cp_ty0) != 2) {
+ fprintf(stderr, "-T 'tile offset' argument error !! [-T X0,Y0]");
+ return 1;
+ }
+ }
+ break;
+
+ /* ------------------------------------------------------ */
+
+ case 'C': /* add a comment */
+ {
+ parameters->cp_comment = (char*)malloc(strlen(optarg) + 1);
+ if(parameters->cp_comment) {
+ strcpy(parameters->cp_comment, optarg);
+ }
+ }
+ break;
+
+ /* ------------------------------------------------------ */
+
+ case 'I': /* reversible or not */
+ {
+ parameters->irreversible = 1;
+ }
+ break;
+
+ /* ------------------------------------------------------ */
+
+ default:
+ fprintf(stderr, "ERROR -> this option is not valid \"-%c %s\"\n", c, optarg);
+ return 1;
+ }
+ }
+
+ /* check for possible errors */
+
+ if((parameters->infile[0] == 0) || (parameters->outfile[0] == 0)) {
+ fprintf(stderr, "usage: image_to_j2k -i image-file -o j2k/jp2-file (+ options)\n");
+ return 1;
+ }
+
+ if ((parameters->cp_disto_alloc || parameters->cp_fixed_alloc || parameters->cp_fixed_quality)
+ && (!(parameters->cp_disto_alloc ^ parameters->cp_fixed_alloc ^ parameters->cp_fixed_quality))) {
+ fprintf(stderr, "Error: options -r -q and -f cannot be used together !!\n");
+ return 1;
+ } /* mod fixed_quality */
+
+ /* if no rate entered, lossless by default */
+ if (parameters->tcp_numlayers == 0) {
+ parameters->tcp_rates[0] = 0; /* MOD antonin : losslessbug */
+ parameters->tcp_numlayers++;
+ parameters->cp_disto_alloc = 1;
+ }
+
+ if((parameters->cp_tx0 > parameters->image_offset_x0) || (parameters->cp_ty0 > parameters->image_offset_y0)) {
+ fprintf(stderr,
+ "Error: Tile offset dimension is unnappropriate --> TX0(%d)<=IMG_X0(%d) TYO(%d)<=IMG_Y0(%d) \n",
+ parameters->cp_tx0, parameters->image_offset_x0, parameters->cp_ty0, parameters->image_offset_y0);
+ return 1;
+ }
+
+ for (i = 0; i < parameters->numpocs; i++) {
+ if (parameters->POC[i].prg == -1) {
+ fprintf(stderr,
+ "Unrecognized progression order in option -P (POC n %d) [LRCP, RLCP, RPCL, PCRL, CPRL] !!\n",
+ i + 1);
+ }
+ }
+
+ return 0;
+}
+
+/* -------------------------------------------------------------------------- */
+
+/**
+sample error callback expecting a FILE* client object
+*/
+void error_callback(const char *msg, void *client_data) {
+ FILE *stream = (FILE*)client_data;
+ fprintf(stream, "[ERROR] %s", msg);
+}
+/**
+sample warning callback expecting a FILE* client object
+*/
+void warning_callback(const char *msg, void *client_data) {
+ FILE *stream = (FILE*)client_data;
+ fprintf(stream, "[WARNING] %s", msg);
+}
+/**
+sample debug callback expecting a FILE* client object
+*/
+void info_callback(const char *msg, void *client_data) {
+ FILE *stream = (FILE*)client_data;
+ fprintf(stream, "[INFO] %s", msg);
+}
+
+/* -------------------------------------------------------------------------- */
+
+int main(int argc, char **argv) {
+ bool bSuccess;
+ bool delete_comment = true;
+ opj_cparameters_t parameters; /* compression parameters */
+ opj_event_mgr_t event_mgr; /* event manager */
+ opj_image_t *image = NULL;
+
+ /*
+ configure the event callbacks (not required)
+ setting of each callback is optionnal
+ */
+ memset(&event_mgr, 0, sizeof(opj_event_mgr_t));
+ event_mgr.error_handler = error_callback;
+ event_mgr.warning_handler = warning_callback;
+ event_mgr.info_handler = info_callback;
+
+ /* set encoding parameters to default values */
+ opj_set_default_encoder_parameters(¶meters);
+
+ /* parse input and get user encoding parameters */
+ if(parse_cmdline_encoder(argc, argv, ¶meters) == 1) {
+ return 0;
+ }
+
+ if(parameters.cp_comment == NULL) {
+ parameters.cp_comment = "Created by OpenJPEG version 0.9";
+ /* no need to delete parameters.cp_comment on exit */
+ delete_comment = false;
+ }
+
+ /* decode the source image */
+ /* ----------------------- */
+
+ switch (parameters.decod_format) {
+ case PGX_DFMT:
+ image = pgxtoimage(parameters.infile, ¶meters);
+ if (!image) {
+ fprintf(stderr, " unable to load pgx file\n");
+ return 1;
+ }
+ break;
+
+ case PXM_DFMT:
+ image = pnmtoimage(parameters.infile, ¶meters);
+ if (!image) {
+ fprintf(stderr, " not a pnm file\n");
+ return 1;
+ }
+ break;
+
+ case BMP_DFMT:
+ image = bmptoimage(parameters.infile, ¶meters);
+ if (!image) {
+ fprintf(stderr, " not a bmp file\n");
+ return 1;
+ }
+ break;
+ }
+
+ /* encode the destination image */
+ /* ---------------------------- */
+
+ if (parameters.cod_format == J2K_CFMT) { /* J2K format output */
+ int codestream_length;
+ opj_cio_t *cio = NULL;
+ FILE *f = NULL;
+
+ /* get a J2K compressor handle */
+ opj_cinfo_t* cinfo = opj_create_compress(CODEC_J2K);
+
+ /* catch events using our callbacks and give a local context */
+ opj_set_event_mgr((opj_common_ptr)cinfo, &event_mgr, stderr);
+
+ /* setup the encoder parameters using the current image and using user parameters */
+ opj_setup_encoder(cinfo, ¶meters, image);
+
+ /* open a byte stream for writing */
+ /* allocate memory for all tiles */
+ cio = opj_cio_open((opj_common_ptr)cinfo, NULL, 0);
+
+ /* encode the image */
+ bSuccess = opj_encode(cinfo, cio, image, parameters.index);
+ if (!bSuccess) {
+ opj_cio_close(cio);
+ fprintf(stderr, "failed to encode image\n");
+ return 1;
+ }
+ codestream_length = cio_tell(cio);
+
+ /* write the buffer to disk */
+ f = fopen(parameters.outfile, "wb");
+ if (!f) {
+ fprintf(stderr, "failed to open %s for writing\n", parameters.outfile);
+ return 1;
+ }
+ fwrite(cio->buffer, 1, codestream_length, f);
+ fclose(f);
+
+ /* close and free the byte stream */
+ opj_cio_close(cio);
+
+ /* free remaining compression structures */
+ opj_destroy_compress(cinfo);
+
+ } else { /* JP2 format output */
+ int codestream_length;
+ opj_cio_t *cio = NULL;
+ FILE *f = NULL;
+
+ /* get a JP2 compressor handle */
+ opj_cinfo_t* cinfo = opj_create_compress(CODEC_JP2);
+
+ /* catch events using our callbacks and give a local context */
+ opj_set_event_mgr((opj_common_ptr)cinfo, &event_mgr, stderr);
+
+ /* setup the encoder parameters using the current image and using user parameters */
+ opj_setup_encoder(cinfo, ¶meters, image);
+
+ /* open a byte stream for writing */
+ /* allocate memory for all tiles */
+ cio = opj_cio_open((opj_common_ptr)cinfo, NULL, 0);
+
+ /* encode the image */
+ bSuccess = opj_encode(cinfo, cio, image, parameters.index);
+ if (!bSuccess) {
+ opj_cio_close(cio);
+ fprintf(stderr, "failed to encode image\n");
+ return 1;
+ }
+ codestream_length = cio_tell(cio);
+
+ /* write the buffer to disk */
+ f = fopen(parameters.outfile, "wb");
+ if (!f) {
+ fprintf(stderr, "failed to open %s for writing\n", parameters.outfile);
+ return 1;
+ }
+ fwrite(cio->buffer, 1, codestream_length, f);
+ fclose(f);
+
+ /* close and free the byte stream */
+ opj_cio_close(cio);
+
+ /* free remaining compression structures */
+ opj_destroy_compress(cinfo);
+
+ }
+
+ /* free user parameters structure */
+ if(delete_comment) {
+ if(parameters.cp_comment) free(parameters.cp_comment);
+ }
+ if(parameters.cp_matrice) free(parameters.cp_matrice);
+
+ /* free image data */
+ opj_image_destroy(image);
+
+ return 0;
+}
+
-/*\r
- * Copyright (c) 2001-2003, David Janssens\r
- * Copyright (c) 2002-2003, Yannick Verschueren\r
- * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe\r
- * Copyright (c) 2005, Hervé Drolon, FreeImage Team\r
- * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium\r
- * All rights reserved.\r
- *\r
- * Redistribution and use in source and binary forms, with or without\r
- * modification, are permitted provided that the following conditions\r
- * are met:\r
- * 1. Redistributions of source code must retain the above copyright\r
- * notice, this list of conditions and the following disclaimer.\r
- * 2. Redistributions in binary form must reproduce the above copyright\r
- * notice, this list of conditions and the following disclaimer in the\r
- * documentation and/or other materials provided with the distribution.\r
- *\r
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'\r
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE\r
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\r
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\r
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\r
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\r
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
- * POSSIBILITY OF SUCH DAMAGE.\r
- */\r
-#include <stdio.h>\r
-#include <string.h>\r
-#include <stdlib.h>\r
-\r
-#include "openjpeg.h"\r
-#include "compat/getopt.h"\r
-#include "convert.h"\r
-\r
-#ifndef WIN32\r
-#define stricmp strcasecmp\r
-#define strnicmp strncasecmp\r
-#endif\r
-\r
-/* ----------------------------------------------------------------------- */\r
-\r
-#define J2K_CFMT 0\r
-#define JP2_CFMT 1\r
-#define JPT_CFMT 2\r
-#define MJ2_CFMT 3\r
-#define PXM_DFMT 0\r
-#define PGX_DFMT 1\r
-#define BMP_DFMT 2\r
-#define YUV_DFMT 3\r
-\r
-/* ----------------------------------------------------------------------- */\r
-\r
-void decode_help_display() {\r
- fprintf(stdout,"HELP\n----\n\n");\r
- fprintf(stdout,"- the -h option displays this help information on screen\n\n");\r
-\r
- fprintf(stdout,"List of parameters for the JPEG 2000 encoder:\n");\r
- fprintf(stdout,"\n");\r
- fprintf(stdout," -i <compressed file>\n");\r
- fprintf(stdout," REQUIRED\n");\r
- fprintf(stdout," Currently accepts J2K-files, JP2-files and JPT-files. The file type\n");\r
- fprintf(stdout," is identified based on its suffix.\n");\r
- fprintf(stdout," -o <decompressed file>\n");\r
- fprintf(stdout," REQUIRED\n");\r
- fprintf(stdout," Currently accepts PGM-files, PPM-files, PNM-files, PGX-files and\n");\r
- fprintf(stdout," BMP-files. Binary data is written to the file (not ascii). If a PGX\n");\r
- fprintf(stdout," filename is given, there will be as many output files as there are\n");\r
- fprintf(stdout," components: an indice starting from 0 will then be appended to the\n");\r
- fprintf(stdout," output filename, just before the \"pgx\" extension. If a PGM filename\n");\r
- fprintf(stdout," is given and there are more than one component, only the first component\n");\r
- fprintf(stdout," will be written to the file.\n");\r
- fprintf(stdout," -r <reduce factor>\n");\r
- fprintf(stdout," Set the number of highest resolution levels to be discarded. The\n");\r
- fprintf(stdout," image resolution is effectively divided by 2 to the power of the\n");\r
- fprintf(stdout," number of discarded levels. The reduce factor is limited by the\n");\r
- fprintf(stdout," smallest total number of decomposition levels among tiles.\n");\r
- fprintf(stdout," -l <number of quality layers to decode>\n");\r
- fprintf(stdout," Set the maximum number of quality layers to decode. If there are\n");\r
- fprintf(stdout," less quality layers than the specified number, all the quality layers\n");\r
- fprintf(stdout," are decoded.\n");\r
- fprintf(stdout,"\n");\r
-}\r
-\r
-/* -------------------------------------------------------------------------- */\r
-\r
-int get_file_format(char *filename) {\r
- unsigned int i;\r
- static const char *extension[] = {"pgx", "pnm", "pgm", "ppm", "bmp", "j2k", "jp2", "jpt" };\r
- static const int format[] = { PGX_DFMT, PXM_DFMT, PXM_DFMT, PXM_DFMT, BMP_DFMT, J2K_CFMT, JP2_CFMT, JPT_CFMT };\r
- char * ext = strrchr(filename, '.') + 1;\r
- if(ext) {\r
- for(i = 0; i < sizeof(format); i++) {\r
- if(strnicmp(ext, extension[i], 3) == 0) {\r
- return format[i];\r
- }\r
- }\r
- }\r
-\r
- return -1;\r
-}\r
-\r
-/* -------------------------------------------------------------------------- */\r
-\r
-int parse_cmdline_decoder(int argc, char **argv, opj_dparameters_t *parameters) {\r
- /* parse the command line */\r
-\r
- while (1) {\r
- int c = getopt(argc, argv, "i:o:r:q:f:t:n:c:b:x:p:s:d:h:P:S:E:M:R:T:C:I");\r
- if (c == -1)\r
- break;\r
- switch (c) {\r
- case 'i': /* input file */\r
- {\r
- char *infile = optarg;\r
- parameters->decod_format = get_file_format(infile);\r
- switch(parameters->decod_format) {\r
- case J2K_CFMT:\r
- case JP2_CFMT:\r
- case JPT_CFMT:\r
- break;\r
- default:\r
- fprintf(stderr, \r
- "!! Unrecognized format for infile : %s [accept only *.j2k, *.jp2, *.jpc or *.jpt] !!\n\n", \r
- infile);\r
- return 1;\r
- break;\r
- }\r
- strncpy(parameters->infile, infile, MAX_PATH);\r
- }\r
- break;\r
- \r
- /* ----------------------------------------------------- */\r
-\r
- case 'o': /* output file */\r
- {\r
- char *outfile = optarg;\r
- parameters->cod_format = get_file_format(outfile);\r
- switch(parameters->cod_format) {\r
- case PGX_DFMT:\r
- case PXM_DFMT:\r
- case BMP_DFMT:\r
- break;\r
- default:\r
- fprintf(stderr, "Unknown output format image %s [only *.pnm, *.pgm, *.ppm, *.pgx or *.bmp]!! \n", outfile);\r
- return 1;\r
- break;\r
- }\r
- strncpy(parameters->outfile, outfile, MAX_PATH);\r
- }\r
- break;\r
- \r
- /* ----------------------------------------------------- */\r
- \r
- \r
- case 'r': /* reduce option */\r
- {\r
- sscanf(optarg, "%d", ¶meters->cp_reduce);\r
- }\r
- break;\r
- \r
- /* ----------------------------------------------------- */\r
- \r
-\r
- case 'l': /* layering option */\r
- {\r
- sscanf(optarg, "%d", ¶meters->cp_layer);\r
- }\r
- break;\r
- \r
- /* ----------------------------------------------------- */\r
- \r
- case 'h': /* display an help description */\r
- {\r
- decode_help_display();\r
- return 1;\r
- }\r
- break;\r
- \r
- /* ----------------------------------------------------- */\r
- \r
- default:\r
- fprintf(stderr,"WARNING -> this option is not valid \"-%c %s\"\n",c, optarg);\r
- break;\r
- }\r
- }\r
-\r
- /* check for possible errors */\r
-\r
- if((parameters->infile[0] == 0) || (parameters->outfile[0] == 0)) {\r
- fprintf(stderr,"ERROR -> At least one required argument is missing\nCheck j2k_to_image -h for usage information\n");\r
- return 1;\r
- }\r
-\r
- return 0;\r
-}\r
-\r
-/* -------------------------------------------------------------------------- */\r
-\r
-/**\r
-sample error callback expecting a FILE* client object\r
-*/\r
-void error_callback(const char *msg, void *client_data) {\r
- FILE *stream = (FILE*)client_data;\r
- fprintf(stream, "[ERROR] %s", msg);\r
-}\r
-/**\r
-sample warning callback expecting a FILE* client object\r
-*/\r
-void warning_callback(const char *msg, void *client_data) {\r
- FILE *stream = (FILE*)client_data;\r
- fprintf(stream, "[WARNING] %s", msg);\r
-}\r
-/**\r
-sample debug callback expecting no client object\r
-*/\r
-void info_callback(const char *msg, void *client_data) {\r
- (void)client_data;\r
- fprintf(stdout, "[INFO] %s", msg);\r
-}\r
-\r
-/* -------------------------------------------------------------------------- */\r
-\r
-int main(int argc, char **argv) {\r
- opj_dparameters_t parameters; /* decompression parameters */\r
- opj_event_mgr_t event_mgr; /* event manager */\r
- opj_image_t *image = NULL;\r
- FILE *fsrc = NULL;\r
- unsigned char *src = NULL; \r
- int file_length;\r
-\r
- opj_dinfo_t* dinfo = NULL; /* handle to a decompressor */\r
- opj_cio_t *cio = NULL;\r
-\r
- /* configure the event callbacks (not required) */\r
- memset(&event_mgr, 0, sizeof(opj_event_mgr_t));\r
- event_mgr.error_handler = error_callback;\r
- event_mgr.warning_handler = warning_callback;\r
- event_mgr.info_handler = info_callback;\r
-\r
- /* set decoding parameters to default values */\r
- opj_set_default_decoder_parameters(¶meters);\r
-\r
- /* parse input and get user decoding parameters */\r
- if(parse_cmdline_decoder(argc, argv, ¶meters) == 1) {\r
- return 0;\r
- }\r
- \r
- /* read the input file and put it in memory */\r
- /* ---------------------------------------- */\r
- fsrc = fopen(parameters.infile, "rb");\r
- if (!fsrc) {\r
- fprintf(stderr, "ERROR -> failed to open %s for reading\n", parameters.infile);\r
- return 1;\r
- } \r
- fseek(fsrc, 0, SEEK_END);\r
- file_length = ftell(fsrc);\r
- fseek(fsrc, 0, SEEK_SET);\r
- src = (unsigned char *) malloc(file_length);\r
- fread(src, 1, file_length, fsrc);\r
- fclose(fsrc);\r
- \r
- /* decode the code-stream */\r
- /* ---------------------- */\r
-\r
- switch(parameters.decod_format) {\r
- case J2K_CFMT:\r
- {\r
- /* JPEG-2000 codestream */\r
-\r
- /* get a decoder handle */\r
- dinfo = opj_create_decompress(CODEC_J2K);\r
- \r
- /* catch events using our callbacks and give a local context */\r
- opj_set_event_mgr((opj_common_ptr)dinfo, &event_mgr, stderr); \r
-\r
- /* setup the decoder decoding parameters using user parameters */\r
- opj_setup_decoder(dinfo, ¶meters);\r
-\r
- /* open a byte stream */\r
- cio = opj_cio_open((opj_common_ptr)dinfo, src, file_length);\r
-\r
- /* decode the stream and fill the image structure */\r
- image = opj_decode(dinfo, cio);\r
- if(!image) {\r
- fprintf(stderr, "ERROR -> j2k_to_image: failed to decode image!\n");\r
- opj_destroy_decompress(dinfo);\r
- opj_cio_close(cio);\r
- return 1;\r
- }\r
- \r
- /* close the byte stream */\r
- opj_cio_close(cio);\r
- }\r
- break;\r
-\r
- case JP2_CFMT:\r
- {\r
- /* JPEG 2000 compressed image data */\r
-\r
- /* get a decoder handle */\r
- dinfo = opj_create_decompress(CODEC_JP2);\r
- \r
- /* catch events using our callbacks and give a local context */\r
- opj_set_event_mgr((opj_common_ptr)dinfo, &event_mgr, stderr); \r
-\r
- /* setup the decoder decoding parameters using the current image and using user parameters */\r
- opj_setup_decoder(dinfo, ¶meters);\r
-\r
- /* open a byte stream */\r
- cio = opj_cio_open((opj_common_ptr)dinfo, src, file_length);\r
-\r
- /* decode the stream and fill the image structure */\r
- image = opj_decode(dinfo, cio);\r
- if(!image) {\r
- fprintf(stderr, "ERROR -> j2k_to_image: failed to decode image!\n");\r
- opj_destroy_decompress(dinfo);\r
- opj_cio_close(cio);\r
- return 1;\r
- }\r
-\r
- /* close the byte stream */\r
- opj_cio_close(cio);\r
-\r
- }\r
- break;\r
-\r
- case JPT_CFMT:\r
- {\r
- /* JPEG 2000, JPIP */\r
-\r
- /* get a decoder handle */\r
- dinfo = opj_create_decompress(CODEC_JPT);\r
- \r
- /* catch events using our callbacks and give a local context */\r
- opj_set_event_mgr((opj_common_ptr)dinfo, &event_mgr, stderr); \r
-\r
- /* setup the decoder decoding parameters using user parameters */\r
- opj_setup_decoder(dinfo, ¶meters);\r
-\r
- /* open a byte stream */\r
- cio = opj_cio_open((opj_common_ptr)dinfo, src, file_length);\r
-\r
- /* decode the stream and fill the image structure */\r
- image = opj_decode(dinfo, cio);\r
- if(!image) {\r
- fprintf(stderr, "ERROR -> j2k_to_image: failed to decode image!\n"); \r
- opj_destroy_decompress(dinfo);\r
- opj_cio_close(cio);\r
- return 1;\r
- } \r
-\r
- /* close the byte stream */\r
- opj_cio_close(cio);\r
- }\r
- break;\r
-\r
- default:\r
- fprintf(stderr, "ERROR -> j2k_to_image : Unknown input image format\n");\r
- return 1;\r
- break;\r
- }\r
- \r
- /* free the memory containing the code-stream */\r
- free(src);\r
- src = NULL;\r
-\r
- /* create output image */\r
- /* ------------------- */\r
-\r
- switch (parameters.cod_format) {\r
- case PXM_DFMT: /* PNM PGM PPM */\r
- imagetopnm(image, parameters.outfile);\r
- break;\r
- \r
- case PGX_DFMT: /* PGX */\r
- imagetopgx(image, parameters.outfile);\r
- break;\r
- \r
- case BMP_DFMT: /* BMP */\r
- imagetobmp(image, parameters.outfile);\r
- break;\r
- }\r
-\r
- /* free remaining structures */\r
- if(dinfo) {\r
- opj_destroy_decompress(dinfo);\r
- }\r
-\r
- /* free image data structure */\r
- opj_image_destroy(image);\r
- \r
- return 0;\r
-}\r
-\r
+/*
+ * Copyright (c) 2001-2003, David Janssens
+ * Copyright (c) 2002-2003, Yannick Verschueren
+ * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
+ * Copyright (c) 2005, Hervé Drolon, FreeImage Team
+ * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include "openjpeg.h"
+#include "compat/getopt.h"
+#include "convert.h"
+
+#ifndef WIN32
+#define stricmp strcasecmp
+#define strnicmp strncasecmp
+#endif
+
+/* ----------------------------------------------------------------------- */
+
+#define J2K_CFMT 0
+#define JP2_CFMT 1
+#define JPT_CFMT 2
+#define MJ2_CFMT 3
+#define PXM_DFMT 0
+#define PGX_DFMT 1
+#define BMP_DFMT 2
+#define YUV_DFMT 3
+
+/* ----------------------------------------------------------------------- */
+
+void decode_help_display() {
+ fprintf(stdout,"HELP\n----\n\n");
+ fprintf(stdout,"- the -h option displays this help information on screen\n\n");
+
+ fprintf(stdout,"List of parameters for the JPEG 2000 encoder:\n");
+ fprintf(stdout,"\n");
+ fprintf(stdout," -i <compressed file>\n");
+ fprintf(stdout," REQUIRED\n");
+ fprintf(stdout," Currently accepts J2K-files, JP2-files and JPT-files. The file type\n");
+ fprintf(stdout," is identified based on its suffix.\n");
+ fprintf(stdout," -o <decompressed file>\n");
+ fprintf(stdout," REQUIRED\n");
+ fprintf(stdout," Currently accepts PGM-files, PPM-files, PNM-files, PGX-files and\n");
+ fprintf(stdout," BMP-files. Binary data is written to the file (not ascii). If a PGX\n");
+ fprintf(stdout," filename is given, there will be as many output files as there are\n");
+ fprintf(stdout," components: an indice starting from 0 will then be appended to the\n");
+ fprintf(stdout," output filename, just before the \"pgx\" extension. If a PGM filename\n");
+ fprintf(stdout," is given and there are more than one component, only the first component\n");
+ fprintf(stdout," will be written to the file.\n");
+ fprintf(stdout," -r <reduce factor>\n");
+ fprintf(stdout," Set the number of highest resolution levels to be discarded. The\n");
+ fprintf(stdout," image resolution is effectively divided by 2 to the power of the\n");
+ fprintf(stdout," number of discarded levels. The reduce factor is limited by the\n");
+ fprintf(stdout," smallest total number of decomposition levels among tiles.\n");
+ fprintf(stdout," -l <number of quality layers to decode>\n");
+ fprintf(stdout," Set the maximum number of quality layers to decode. If there are\n");
+ fprintf(stdout," less quality layers than the specified number, all the quality layers\n");
+ fprintf(stdout," are decoded.\n");
+ fprintf(stdout,"\n");
+}
+
+/* -------------------------------------------------------------------------- */
+
+int get_file_format(char *filename) {
+ unsigned int i;
+ static const char *extension[] = {"pgx", "pnm", "pgm", "ppm", "bmp", "j2k", "jp2", "jpt" };
+ static const int format[] = { PGX_DFMT, PXM_DFMT, PXM_DFMT, PXM_DFMT, BMP_DFMT, J2K_CFMT, JP2_CFMT, JPT_CFMT };
+ char * ext = strrchr(filename, '.') + 1;
+ if(ext) {
+ for(i = 0; i < sizeof(format); i++) {
+ if(strnicmp(ext, extension[i], 3) == 0) {
+ return format[i];
+ }
+ }
+ }
+
+ return -1;
+}
+
+/* -------------------------------------------------------------------------- */
+
+int parse_cmdline_decoder(int argc, char **argv, opj_dparameters_t *parameters) {
+ /* parse the command line */
+
+ while (1) {
+ int c = getopt(argc, argv, "i:o:r:q:f:t:n:c:b:x:p:s:d:h:P:S:E:M:R:T:C:I");
+ if (c == -1)
+ break;
+ switch (c) {
+ case 'i': /* input file */
+ {
+ char *infile = optarg;
+ parameters->decod_format = get_file_format(infile);
+ switch(parameters->decod_format) {
+ case J2K_CFMT:
+ case JP2_CFMT:
+ case JPT_CFMT:
+ break;
+ default:
+ fprintf(stderr,
+ "!! Unrecognized format for infile : %s [accept only *.j2k, *.jp2, *.jpc or *.jpt] !!\n\n",
+ infile);
+ return 1;
+ break;
+ }
+ strncpy(parameters->infile, infile, MAX_PATH);
+ }
+ break;
+
+ /* ----------------------------------------------------- */
+
+ case 'o': /* output file */
+ {
+ char *outfile = optarg;
+ parameters->cod_format = get_file_format(outfile);
+ switch(parameters->cod_format) {
+ case PGX_DFMT:
+ case PXM_DFMT:
+ case BMP_DFMT:
+ break;
+ default:
+ fprintf(stderr, "Unknown output format image %s [only *.pnm, *.pgm, *.ppm, *.pgx or *.bmp]!! \n", outfile);
+ return 1;
+ break;
+ }
+ strncpy(parameters->outfile, outfile, MAX_PATH);
+ }
+ break;
+
+ /* ----------------------------------------------------- */
+
+
+ case 'r': /* reduce option */
+ {
+ sscanf(optarg, "%d", ¶meters->cp_reduce);
+ }
+ break;
+
+ /* ----------------------------------------------------- */
+
+
+ case 'l': /* layering option */
+ {
+ sscanf(optarg, "%d", ¶meters->cp_layer);
+ }
+ break;
+
+ /* ----------------------------------------------------- */
+
+ case 'h': /* display an help description */
+ {
+ decode_help_display();
+ return 1;
+ }
+ break;
+
+ /* ----------------------------------------------------- */
+
+ default:
+ fprintf(stderr,"WARNING -> this option is not valid \"-%c %s\"\n",c, optarg);
+ break;
+ }
+ }
+
+ /* check for possible errors */
+
+ if((parameters->infile[0] == 0) || (parameters->outfile[0] == 0)) {
+ fprintf(stderr,"ERROR -> At least one required argument is missing\nCheck j2k_to_image -h for usage information\n");
+ return 1;
+ }
+
+ return 0;
+}
+
+/* -------------------------------------------------------------------------- */
+
+/**
+sample error callback expecting a FILE* client object
+*/
+void error_callback(const char *msg, void *client_data) {
+ FILE *stream = (FILE*)client_data;
+ fprintf(stream, "[ERROR] %s", msg);
+}
+/**
+sample warning callback expecting a FILE* client object
+*/
+void warning_callback(const char *msg, void *client_data) {
+ FILE *stream = (FILE*)client_data;
+ fprintf(stream, "[WARNING] %s", msg);
+}
+/**
+sample debug callback expecting no client object
+*/
+void info_callback(const char *msg, void *client_data) {
+ (void)client_data;
+ fprintf(stdout, "[INFO] %s", msg);
+}
+
+/* -------------------------------------------------------------------------- */
+
+int main(int argc, char **argv) {
+ opj_dparameters_t parameters; /* decompression parameters */
+ opj_event_mgr_t event_mgr; /* event manager */
+ opj_image_t *image = NULL;
+ FILE *fsrc = NULL;
+ unsigned char *src = NULL;
+ int file_length;
+
+ opj_dinfo_t* dinfo = NULL; /* handle to a decompressor */
+ opj_cio_t *cio = NULL;
+
+ /* configure the event callbacks (not required) */
+ memset(&event_mgr, 0, sizeof(opj_event_mgr_t));
+ event_mgr.error_handler = error_callback;
+ event_mgr.warning_handler = warning_callback;
+ event_mgr.info_handler = info_callback;
+
+ /* set decoding parameters to default values */
+ opj_set_default_decoder_parameters(¶meters);
+
+ /* parse input and get user decoding parameters */
+ if(parse_cmdline_decoder(argc, argv, ¶meters) == 1) {
+ return 0;
+ }
+
+ /* read the input file and put it in memory */
+ /* ---------------------------------------- */
+ fsrc = fopen(parameters.infile, "rb");
+ if (!fsrc) {
+ fprintf(stderr, "ERROR -> failed to open %s for reading\n", parameters.infile);
+ return 1;
+ }
+ fseek(fsrc, 0, SEEK_END);
+ file_length = ftell(fsrc);
+ fseek(fsrc, 0, SEEK_SET);
+ src = (unsigned char *) malloc(file_length);
+ fread(src, 1, file_length, fsrc);
+ fclose(fsrc);
+
+ /* decode the code-stream */
+ /* ---------------------- */
+
+ switch(parameters.decod_format) {
+ case J2K_CFMT:
+ {
+ /* JPEG-2000 codestream */
+
+ /* get a decoder handle */
+ dinfo = opj_create_decompress(CODEC_J2K);
+
+ /* catch events using our callbacks and give a local context */
+ opj_set_event_mgr((opj_common_ptr)dinfo, &event_mgr, stderr);
+
+ /* setup the decoder decoding parameters using user parameters */
+ opj_setup_decoder(dinfo, ¶meters);
+
+ /* open a byte stream */
+ cio = opj_cio_open((opj_common_ptr)dinfo, src, file_length);
+
+ /* decode the stream and fill the image structure */
+ image = opj_decode(dinfo, cio);
+ if(!image) {
+ fprintf(stderr, "ERROR -> j2k_to_image: failed to decode image!\n");
+ opj_destroy_decompress(dinfo);
+ opj_cio_close(cio);
+ return 1;
+ }
+
+ /* close the byte stream */
+ opj_cio_close(cio);
+ }
+ break;
+
+ case JP2_CFMT:
+ {
+ /* JPEG 2000 compressed image data */
+
+ /* get a decoder handle */
+ dinfo = opj_create_decompress(CODEC_JP2);
+
+ /* catch events using our callbacks and give a local context */
+ opj_set_event_mgr((opj_common_ptr)dinfo, &event_mgr, stderr);
+
+ /* setup the decoder decoding parameters using the current image and using user parameters */
+ opj_setup_decoder(dinfo, ¶meters);
+
+ /* open a byte stream */
+ cio = opj_cio_open((opj_common_ptr)dinfo, src, file_length);
+
+ /* decode the stream and fill the image structure */
+ image = opj_decode(dinfo, cio);
+ if(!image) {
+ fprintf(stderr, "ERROR -> j2k_to_image: failed to decode image!\n");
+ opj_destroy_decompress(dinfo);
+ opj_cio_close(cio);
+ return 1;
+ }
+
+ /* close the byte stream */
+ opj_cio_close(cio);
+
+ }
+ break;
+
+ case JPT_CFMT:
+ {
+ /* JPEG 2000, JPIP */
+
+ /* get a decoder handle */
+ dinfo = opj_create_decompress(CODEC_JPT);
+
+ /* catch events using our callbacks and give a local context */
+ opj_set_event_mgr((opj_common_ptr)dinfo, &event_mgr, stderr);
+
+ /* setup the decoder decoding parameters using user parameters */
+ opj_setup_decoder(dinfo, ¶meters);
+
+ /* open a byte stream */
+ cio = opj_cio_open((opj_common_ptr)dinfo, src, file_length);
+
+ /* decode the stream and fill the image structure */
+ image = opj_decode(dinfo, cio);
+ if(!image) {
+ fprintf(stderr, "ERROR -> j2k_to_image: failed to decode image!\n");
+ opj_destroy_decompress(dinfo);
+ opj_cio_close(cio);
+ return 1;
+ }
+
+ /* close the byte stream */
+ opj_cio_close(cio);
+ }
+ break;
+
+ default:
+ fprintf(stderr, "ERROR -> j2k_to_image : Unknown input image format\n");
+ return 1;
+ break;
+ }
+
+ /* free the memory containing the code-stream */
+ free(src);
+ src = NULL;
+
+ /* create output image */
+ /* ------------------- */
+
+ switch (parameters.cod_format) {
+ case PXM_DFMT: /* PNM PGM PPM */
+ imagetopnm(image, parameters.outfile);
+ break;
+
+ case PGX_DFMT: /* PGX */
+ imagetopgx(image, parameters.outfile);
+ break;
+
+ case BMP_DFMT: /* BMP */
+ imagetobmp(image, parameters.outfile);
+ break;
+ }
+
+ /* free remaining structures */
+ if(dinfo) {
+ opj_destroy_decompress(dinfo);
+ }
+
+ /* free image data structure */
+ opj_image_destroy(image);
+
+ return 0;
+}
+
-/*\r
- * Copyright (c) 2001-2003, David Janssens\r
- * Copyright (c) 2002-2003, Yannick Verschueren\r
- * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe\r
- * Copyright (c) 2005, Hervé Drolon, FreeImage Team\r
- * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium\r
- * All rights reserved.\r
- *\r
- * Redistribution and use in source and binary forms, with or without\r
- * modification, are permitted provided that the following conditions\r
- * are met:\r
- * 1. Redistributions of source code must retain the above copyright\r
- * notice, this list of conditions and the following disclaimer.\r
- * 2. Redistributions in binary form must reproduce the above copyright\r
- * notice, this list of conditions and the following disclaimer in the\r
- * documentation and/or other materials provided with the distribution.\r
- *\r
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'\r
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE\r
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\r
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\r
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\r
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\r
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
- * POSSIBILITY OF SUCH DAMAGE.\r
- */\r
-\r
-#include "opj_includes.h"\r
-\r
-/** @defgroup BIO BIO - Individual bit input-output stream */\r
-/*@{*/\r
-\r
-/** @name Local static functions */\r
-/*@{*/\r
-\r
-/**\r
-Write a bit\r
-@param bio BIO handle\r
-@param b Bit to write (0 or 1)\r
-*/\r
-static void bio_putbit(opj_bio_t *bio, int b);\r
-/**\r
-Read a bit\r
-@param bio BIO handle\r
-@return Returns the read bit\r
-*/\r
-static int bio_getbit(opj_bio_t *bio);\r
-/**\r
-Write a byte\r
-@param bio BIO handle\r
-@return Returns 0 if successful, returns 1 otherwise\r
-*/\r
-static int bio_byteout(opj_bio_t *bio);\r
-/**\r
-Read a byte\r
-@param bio BIO handle\r
-@return Returns 0 if successful, returns 1 otherwise\r
-*/\r
-static int bio_bytein(opj_bio_t *bio);\r
-\r
-/*@}*/\r
-\r
-/*@}*/\r
-\r
-/* \r
-==========================================================\r
- local functions\r
-==========================================================\r
-*/\r
-\r
-static int bio_byteout(opj_bio_t *bio) {\r
- bio->buf = (bio->buf << 8) & 0xffff;\r
- bio->ct = bio->buf == 0xff00 ? 7 : 8;\r
- if (bio->bp >= bio->end) {\r
- return 1;\r
- }\r
- *bio->bp++ = bio->buf >> 8;\r
- return 0;\r
-}\r
-\r
-static int bio_bytein(opj_bio_t *bio) {\r
- bio->buf = (bio->buf << 8) & 0xffff;\r
- bio->ct = bio->buf == 0xff00 ? 7 : 8;\r
- if (bio->bp >= bio->end) {\r
- return 1;\r
- }\r
- bio->buf |= *bio->bp++;\r
- return 0;\r
-}\r
-\r
-static void bio_putbit(opj_bio_t *bio, int b) {\r
- if (bio->ct == 0) {\r
- bio_byteout(bio);\r
- }\r
- bio->ct--;\r
- bio->buf |= b << bio->ct;\r
-}\r
-\r
-static int bio_getbit(opj_bio_t *bio) {\r
- if (bio->ct == 0) {\r
- bio_bytein(bio);\r
- }\r
- bio->ct--;\r
- return (bio->buf >> bio->ct) & 1;\r
-}\r
-\r
-/* \r
-==========================================================\r
- Bit Input/Output interface\r
-==========================================================\r
-*/\r
-\r
-opj_bio_t* bio_create() {\r
- opj_bio_t *bio = (opj_bio_t*)opj_malloc(sizeof(opj_bio_t));\r
- return bio;\r
-}\r
-\r
-void bio_destroy(opj_bio_t *bio) {\r
- if(bio) {\r
- opj_free(bio);\r
- }\r
-}\r
-\r
-int bio_numbytes(opj_bio_t *bio) {\r
- return (bio->bp - bio->start);\r
-}\r
-\r
-void bio_init_enc(opj_bio_t *bio, unsigned char *bp, int len) {\r
- bio->start = bp;\r
- bio->end = bp + len;\r
- bio->bp = bp;\r
- bio->buf = 0;\r
- bio->ct = 8;\r
-}\r
-\r
-void bio_init_dec(opj_bio_t *bio, unsigned char *bp, int len) {\r
- bio->start = bp;\r
- bio->end = bp + len;\r
- bio->bp = bp;\r
- bio->buf = 0;\r
- bio->ct = 0;\r
-}\r
-\r
-void bio_write(opj_bio_t *bio, int v, int n) {\r
- int i;\r
- for (i = n - 1; i >= 0; i--) {\r
- bio_putbit(bio, (v >> i) & 1);\r
- }\r
-}\r
-\r
-int bio_read(opj_bio_t *bio, int n) {\r
- int i, v;\r
- v = 0;\r
- for (i = n - 1; i >= 0; i--) {\r
- v += bio_getbit(bio) << i;\r
- }\r
- return v;\r
-}\r
-\r
-int bio_flush(opj_bio_t *bio) {\r
- bio->ct = 0;\r
- if (bio_byteout(bio)) {\r
- return 1;\r
- }\r
- if (bio->ct == 7) {\r
- bio->ct = 0;\r
- if (bio_byteout(bio)) {\r
- return 1;\r
- }\r
- }\r
- return 0;\r
-}\r
-\r
-int bio_inalign(opj_bio_t *bio) {\r
- bio->ct = 0;\r
- if ((bio->buf & 0xff) == 0xff) {\r
- if (bio_bytein(bio)) {\r
- return 1;\r
- }\r
- bio->ct = 0;\r
- }\r
- return 0;\r
-}\r
+/*
+ * Copyright (c) 2001-2003, David Janssens
+ * Copyright (c) 2002-2003, Yannick Verschueren
+ * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
+ * Copyright (c) 2005, Hervé Drolon, FreeImage Team
+ * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "opj_includes.h"
+
+/** @defgroup BIO BIO - Individual bit input-output stream */
+/*@{*/
+
+/** @name Local static functions */
+/*@{*/
+
+/**
+Write a bit
+@param bio BIO handle
+@param b Bit to write (0 or 1)
+*/
+static void bio_putbit(opj_bio_t *bio, int b);
+/**
+Read a bit
+@param bio BIO handle
+@return Returns the read bit
+*/
+static int bio_getbit(opj_bio_t *bio);
+/**
+Write a byte
+@param bio BIO handle
+@return Returns 0 if successful, returns 1 otherwise
+*/
+static int bio_byteout(opj_bio_t *bio);
+/**
+Read a byte
+@param bio BIO handle
+@return Returns 0 if successful, returns 1 otherwise
+*/
+static int bio_bytein(opj_bio_t *bio);
+
+/*@}*/
+
+/*@}*/
+
+/*
+==========================================================
+ local functions
+==========================================================
+*/
+
+static int bio_byteout(opj_bio_t *bio) {
+ bio->buf = (bio->buf << 8) & 0xffff;
+ bio->ct = bio->buf == 0xff00 ? 7 : 8;
+ if (bio->bp >= bio->end) {
+ return 1;
+ }
+ *bio->bp++ = bio->buf >> 8;
+ return 0;
+}
+
+static int bio_bytein(opj_bio_t *bio) {
+ bio->buf = (bio->buf << 8) & 0xffff;
+ bio->ct = bio->buf == 0xff00 ? 7 : 8;
+ if (bio->bp >= bio->end) {
+ return 1;
+ }
+ bio->buf |= *bio->bp++;
+ return 0;
+}
+
+static void bio_putbit(opj_bio_t *bio, int b) {
+ if (bio->ct == 0) {
+ bio_byteout(bio);
+ }
+ bio->ct--;
+ bio->buf |= b << bio->ct;
+}
+
+static int bio_getbit(opj_bio_t *bio) {
+ if (bio->ct == 0) {
+ bio_bytein(bio);
+ }
+ bio->ct--;
+ return (bio->buf >> bio->ct) & 1;
+}
+
+/*
+==========================================================
+ Bit Input/Output interface
+==========================================================
+*/
+
+opj_bio_t* bio_create() {
+ opj_bio_t *bio = (opj_bio_t*)opj_malloc(sizeof(opj_bio_t));
+ return bio;
+}
+
+void bio_destroy(opj_bio_t *bio) {
+ if(bio) {
+ opj_free(bio);
+ }
+}
+
+int bio_numbytes(opj_bio_t *bio) {
+ return (bio->bp - bio->start);
+}
+
+void bio_init_enc(opj_bio_t *bio, unsigned char *bp, int len) {
+ bio->start = bp;
+ bio->end = bp + len;
+ bio->bp = bp;
+ bio->buf = 0;
+ bio->ct = 8;
+}
+
+void bio_init_dec(opj_bio_t *bio, unsigned char *bp, int len) {
+ bio->start = bp;
+ bio->end = bp + len;
+ bio->bp = bp;
+ bio->buf = 0;
+ bio->ct = 0;
+}
+
+void bio_write(opj_bio_t *bio, int v, int n) {
+ int i;
+ for (i = n - 1; i >= 0; i--) {
+ bio_putbit(bio, (v >> i) & 1);
+ }
+}
+
+int bio_read(opj_bio_t *bio, int n) {
+ int i, v;
+ v = 0;
+ for (i = n - 1; i >= 0; i--) {
+ v += bio_getbit(bio) << i;
+ }
+ return v;
+}
+
+int bio_flush(opj_bio_t *bio) {
+ bio->ct = 0;
+ if (bio_byteout(bio)) {
+ return 1;
+ }
+ if (bio->ct == 7) {
+ bio->ct = 0;
+ if (bio_byteout(bio)) {
+ return 1;
+ }
+ }
+ return 0;
+}
+
+int bio_inalign(opj_bio_t *bio) {
+ bio->ct = 0;
+ if ((bio->buf & 0xff) == 0xff) {
+ if (bio_bytein(bio)) {
+ return 1;
+ }
+ bio->ct = 0;
+ }
+ return 0;
+}
-/*\r
- * Copyright (c) 2001-2003, David Janssens\r
- * Copyright (c) 2002-2003, Yannick Verschueren\r
- * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe\r
- * Copyright (c) 2005, Hervé Drolon, FreeImage Team\r
- * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium\r
- * All rights reserved.\r
- *\r
- * Redistribution and use in source and binary forms, with or without\r
- * modification, are permitted provided that the following conditions\r
- * are met:\r
- * 1. Redistributions of source code must retain the above copyright\r
- * notice, this list of conditions and the following disclaimer.\r
- * 2. Redistributions in binary form must reproduce the above copyright\r
- * notice, this list of conditions and the following disclaimer in the\r
- * documentation and/or other materials provided with the distribution.\r
- *\r
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'\r
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE\r
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\r
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\r
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\r
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\r
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
- * POSSIBILITY OF SUCH DAMAGE.\r
- */\r
-\r
-#ifndef __BIO_H\r
-#define __BIO_H\r
-/** \r
-@file bio.h\r
-@brief Implementation of an individual bit input-output (BIO)\r
-\r
-The functions in BIO.C have for goal to realize an individual bit input - output.\r
-*/\r
-\r
-/** @defgroup BIO BIO - Individual bit input-output stream */\r
-/*@{*/\r
-\r
-/**\r
-Individual bit input-output stream (BIO)\r
-*/\r
-typedef struct opj_bio {\r
- /** pointer to the start of the buffer */\r
- unsigned char *start;\r
- /** pointer to the end of the buffer */\r
- unsigned char *end;\r
- /** pointer to the present position in the buffer */\r
- unsigned char *bp;\r
- /** temporary place where each byte is read or written */\r
- unsigned int buf;\r
- /** coder : number of bits free to write. decoder : number of bits read */\r
- int ct;\r
-} opj_bio_t;\r
-\r
-/** @name Exported functions */\r
-/*@{*/\r
-/* ----------------------------------------------------------------------- */\r
-/**\r
-Create a new BIO handle \r
-@return Returns a new BIO handle if successful, returns NULL otherwise\r
-*/\r
-opj_bio_t* bio_create();\r
-/**\r
-Destroy a previously created BIO handle\r
-@param bio BIO handle to destroy\r
-*/\r
-void bio_destroy(opj_bio_t *bio);\r
-/**\r
-Number of bytes written.\r
-@param bio BIO handle\r
-@return Returns the number of bytes written\r
-*/\r
-int bio_numbytes(opj_bio_t *bio);\r
-/**\r
-Init encoder\r
-@param bio BIO handle\r
-@param bp Output buffer\r
-@param len Output buffer length \r
-*/\r
-void bio_init_enc(opj_bio_t *bio, unsigned char *bp, int len);\r
-/**\r
-Init decoder\r
-@param bio BIO handle\r
-@param bp Input buffer\r
-@param len Input buffer length \r
-*/\r
-void bio_init_dec(opj_bio_t *bio, unsigned char *bp, int len);\r
-/**\r
-Write bits\r
-@param bio BIO handle\r
-@param v Value of bits\r
-@param n Number of bits to write\r
-*/\r
-void bio_write(opj_bio_t *bio, int v, int n);\r
-/**\r
-Read bits\r
-@param bio BIO handle\r
-@param n Number of bits to read \r
-@return Returns the corresponding read number\r
-*/\r
-int bio_read(opj_bio_t *bio, int n);\r
-/**\r
-Flush bits\r
-@param bio BIO handle\r
-@return Returns 1 if successful, returns 0 otherwise\r
-*/\r
-int bio_flush(opj_bio_t *bio);\r
-/**\r
-Passes the ending bits (coming from flushing)\r
-@param bio BIO handle\r
-@return Returns 1 if successful, returns 0 otherwise\r
-*/\r
-int bio_inalign(opj_bio_t *bio);\r
-/* ----------------------------------------------------------------------- */\r
-/*@}*/\r
-\r
-/*@}*/\r
-\r
-#endif /* __BIO_H */\r
-\r
+/*
+ * Copyright (c) 2001-2003, David Janssens
+ * Copyright (c) 2002-2003, Yannick Verschueren
+ * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
+ * Copyright (c) 2005, Hervé Drolon, FreeImage Team
+ * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __BIO_H
+#define __BIO_H
+/**
+@file bio.h
+@brief Implementation of an individual bit input-output (BIO)
+
+The functions in BIO.C have for goal to realize an individual bit input - output.
+*/
+
+/** @defgroup BIO BIO - Individual bit input-output stream */
+/*@{*/
+
+/**
+Individual bit input-output stream (BIO)
+*/
+typedef struct opj_bio {
+ /** pointer to the start of the buffer */
+ unsigned char *start;
+ /** pointer to the end of the buffer */
+ unsigned char *end;
+ /** pointer to the present position in the buffer */
+ unsigned char *bp;
+ /** temporary place where each byte is read or written */
+ unsigned int buf;
+ /** coder : number of bits free to write. decoder : number of bits read */
+ int ct;
+} opj_bio_t;
+
+/** @name Exported functions */
+/*@{*/
+/* ----------------------------------------------------------------------- */
+/**
+Create a new BIO handle
+@return Returns a new BIO handle if successful, returns NULL otherwise
+*/
+opj_bio_t* bio_create();
+/**
+Destroy a previously created BIO handle
+@param bio BIO handle to destroy
+*/
+void bio_destroy(opj_bio_t *bio);
+/**
+Number of bytes written.
+@param bio BIO handle
+@return Returns the number of bytes written
+*/
+int bio_numbytes(opj_bio_t *bio);
+/**
+Init encoder
+@param bio BIO handle
+@param bp Output buffer
+@param len Output buffer length
+*/
+void bio_init_enc(opj_bio_t *bio, unsigned char *bp, int len);
+/**
+Init decoder
+@param bio BIO handle
+@param bp Input buffer
+@param len Input buffer length
+*/
+void bio_init_dec(opj_bio_t *bio, unsigned char *bp, int len);
+/**
+Write bits
+@param bio BIO handle
+@param v Value of bits
+@param n Number of bits to write
+*/
+void bio_write(opj_bio_t *bio, int v, int n);
+/**
+Read bits
+@param bio BIO handle
+@param n Number of bits to read
+@return Returns the corresponding read number
+*/
+int bio_read(opj_bio_t *bio, int n);
+/**
+Flush bits
+@param bio BIO handle
+@return Returns 1 if successful, returns 0 otherwise
+*/
+int bio_flush(opj_bio_t *bio);
+/**
+Passes the ending bits (coming from flushing)
+@param bio BIO handle
+@return Returns 1 if successful, returns 0 otherwise
+*/
+int bio_inalign(opj_bio_t *bio);
+/* ----------------------------------------------------------------------- */
+/*@}*/
+
+/*@}*/
+
+#endif /* __BIO_H */
+
-/*\r
- * Copyright (c) 2001-2003, David Janssens\r
- * Copyright (c) 2002-2003, Yannick Verschueren\r
- * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe\r
- * Copyright (c) 2005, Hervé Drolon, FreeImage Team\r
- * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium\r
- * All rights reserved.\r
- *\r
- * Redistribution and use in source and binary forms, with or without\r
- * modification, are permitted provided that the following conditions\r
- * are met:\r
- * 1. Redistributions of source code must retain the above copyright\r
- * notice, this list of conditions and the following disclaimer.\r
- * 2. Redistributions in binary form must reproduce the above copyright\r
- * notice, this list of conditions and the following disclaimer in the\r
- * documentation and/or other materials provided with the distribution.\r
- *\r
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'\r
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE\r
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\r
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\r
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\r
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\r
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
- * POSSIBILITY OF SUCH DAMAGE.\r
- */\r
-\r
-#ifndef __CIO_H\r
-#define __CIO_H\r
-/**\r
-@file cio.h\r
-@brief Implementation of a byte input-output process (CIO)\r
-\r
-The functions in CIO.C have for goal to realize a byte input / output process.\r
-*/\r
-\r
-/** @defgroup CIO CIO - byte input-output stream */\r
-/*@{*/\r
-\r
-/** @name Exported functions (see also openjpeg.h) */\r
-/*@{*/\r
-/* ----------------------------------------------------------------------- */\r
-/**\r
-Number of bytes left before the end of the stream\r
-@param cio CIO handle\r
-@return Returns the number of bytes before the end of the stream\r
-*/\r
-int cio_numbytesleft(opj_cio_t *cio);\r
-/**\r
-Get pointer to the current position in the stream\r
-@param cio CIO handle\r
-@return Returns a pointer to the current position\r
-*/\r
-unsigned char *cio_getbp(opj_cio_t *cio);\r
-/**\r
-Write some bytes\r
-@param cio CIO handle\r
-@param v Value to write\r
-@param n Number of bytes to write\r
-@return Returns the number of bytes written or 0 if an error occured\r
-*/\r
-unsigned int cio_write(opj_cio_t *cio, unsigned int v, int n);\r
-/**\r
-Read some bytes\r
-@param cio CIO handle\r
-@param n Number of bytes to read\r
-@return Returns the value of the n bytes read\r
-*/\r
-unsigned int cio_read(opj_cio_t *cio, int n);\r
-/**\r
-Skip some bytes\r
-@param cio CIO handle\r
-@param n Number of bytes to skip\r
-*/\r
-void cio_skip(opj_cio_t *cio, int n);\r
-/* ----------------------------------------------------------------------- */\r
-/*@}*/\r
-\r
-/*@}*/\r
-\r
-#endif /* __CIO_H */\r
-\r
+/*
+ * Copyright (c) 2001-2003, David Janssens
+ * Copyright (c) 2002-2003, Yannick Verschueren
+ * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
+ * Copyright (c) 2005, Hervé Drolon, FreeImage Team
+ * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __CIO_H
+#define __CIO_H
+/**
+@file cio.h
+@brief Implementation of a byte input-output process (CIO)
+
+The functions in CIO.C have for goal to realize a byte input / output process.
+*/
+
+/** @defgroup CIO CIO - byte input-output stream */
+/*@{*/
+
+/** @name Exported functions (see also openjpeg.h) */
+/*@{*/
+/* ----------------------------------------------------------------------- */
+/**
+Number of bytes left before the end of the stream
+@param cio CIO handle
+@return Returns the number of bytes before the end of the stream
+*/
+int cio_numbytesleft(opj_cio_t *cio);
+/**
+Get pointer to the current position in the stream
+@param cio CIO handle
+@return Returns a pointer to the current position
+*/
+unsigned char *cio_getbp(opj_cio_t *cio);
+/**
+Write some bytes
+@param cio CIO handle
+@param v Value to write
+@param n Number of bytes to write
+@return Returns the number of bytes written or 0 if an error occured
+*/
+unsigned int cio_write(opj_cio_t *cio, unsigned int v, int n);
+/**
+Read some bytes
+@param cio CIO handle
+@param n Number of bytes to read
+@return Returns the value of the n bytes read
+*/
+unsigned int cio_read(opj_cio_t *cio, int n);
+/**
+Skip some bytes
+@param cio CIO handle
+@param n Number of bytes to skip
+*/
+void cio_skip(opj_cio_t *cio, int n);
+/* ----------------------------------------------------------------------- */
+/*@}*/
+
+/*@}*/
+
+#endif /* __CIO_H */
+
-/*\r
- * Copyright (c) 2001-2003, David Janssens\r
- * Copyright (c) 2002-2003, Yannick Verschueren\r
- * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe\r
- * Copyright (c) 2005, Hervé Drolon, FreeImage Team\r
- * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium\r
- * All rights reserved.\r
- *\r
- * Redistribution and use in source and binary forms, with or without\r
- * modification, are permitted provided that the following conditions\r
- * are met:\r
- * 1. Redistributions of source code must retain the above copyright\r
- * notice, this list of conditions and the following disclaimer.\r
- * 2. Redistributions in binary form must reproduce the above copyright\r
- * notice, this list of conditions and the following disclaimer in the\r
- * documentation and/or other materials provided with the distribution.\r
- *\r
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'\r
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE\r
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\r
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\r
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\r
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\r
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
- * POSSIBILITY OF SUCH DAMAGE.\r
- */\r
-\r
-/*\r
- * NOTE:\r
- * This is a modified version of the openjpeg dwt.c file.\r
- * Average speed improvement compared to the original file (measured on\r
- * my own machine, a P4 running at 3.0 GHz):\r
- * 5x3 wavelets about 2 times faster\r
- * 9x7 wavelets about 3 times faster\r
- * for both, encoding and decoding.\r
- *\r
- * The better performance is caused by doing the 1-dimensional DWT\r
- * within a temporary buffer where the data can be accessed sequential\r
- * for both directions, horizontal and vertical. The 2d vertical DWT was\r
- * the major bottleneck in the former version.\r
- *\r
- * I have also removed the "Add Patrick" part because it is not longer\r
- * needed. \r
- *\r
- * 6/6/2005\r
- * -Ive (aka Reiner Wahler)\r
- * mail: ive@lilysoft.com\r
- */\r
-\r
-#include "opj_includes.h"\r
-\r
-/** @defgroup DWT DWT - Implementation of a discrete wavelet transform */\r
-/*@{*/\r
-\r
-/** @name Local static functions */\r
-/*@{*/\r
-\r
-/**\r
-Forward lazy transform (horizontal)\r
-*/\r
-static void dwt_deinterleave_h(int *a, int *b, int dn, int sn, int cas);\r
-/**\r
-Forward lazy transform (vertical)\r
-*/\r
-static void dwt_deinterleave_v(int *a, int *b, int dn, int sn, int x, int cas);\r
-/**\r
-Inverse lazy transform (horizontal)\r
-*/\r
-static void dwt_interleave_h(int *a, int *b, int dn, int sn, int cas);\r
-/**\r
-Inverse lazy transform (vertical)\r
-*/\r
-static void dwt_interleave_v(int *a, int *b, int dn, int sn, int x, int cas);\r
-/**\r
-Forward 5-3 wavelet tranform in 1-D\r
-*/\r
-static void dwt_encode_1(int *a, int dn, int sn, int cas);\r
-/**\r
-Inverse 5-3 wavelet tranform in 1-D\r
-*/\r
-static void dwt_decode_1(int *a, int dn, int sn, int cas);\r
-/**\r
-Forward 9-7 wavelet transform in 1-D\r
-*/\r
-static void dwt_encode_1_real(int *a, int dn, int sn, int cas);\r
-/**\r
-Inverse 9-7 wavelet transform in 1-D\r
-*/\r
-static void dwt_decode_1_real(int *a, int dn, int sn, int cas);\r
-/**\r
-FIXME : comment ???\r
-*/\r
-static void dwt_encode_stepsize(int stepsize, int numbps, opj_stepsize_t *bandno_stepsize);\r
-\r
-/*@}*/\r
-\r
-/*@}*/\r
-\r
-#define S(i) a[(i)*2]\r
-#define D(i) a[(1+(i)*2)]\r
-#define S_(i) ((i)<0?S(0):((i)>=sn?S(sn-1):S(i)))\r
-#define D_(i) ((i)<0?D(0):((i)>=dn?D(dn-1):D(i)))\r
-/* new */\r
-#define SS_(i) ((i)<0?S(0):((i)>=dn?S(dn-1):S(i)))\r
-#define DD_(i) ((i)<0?D(0):((i)>=sn?D(sn-1):D(i)))\r
-\r
-/* <summary> */\r
-/* This table contains the norms of the 5-3 wavelets for different bands. */\r
-/* </summary> */\r
-static const double dwt_norms[4][10] = {\r
- {1.000, 1.500, 2.750, 5.375, 10.68, 21.34, 42.67, 85.33, 170.7, 341.3},\r
- {1.038, 1.592, 2.919, 5.703, 11.33, 22.64, 45.25, 90.48, 180.9},\r
- {1.038, 1.592, 2.919, 5.703, 11.33, 22.64, 45.25, 90.48, 180.9},\r
- {.7186, .9218, 1.586, 3.043, 6.019, 12.01, 24.00, 47.97, 95.93}\r
-};\r
-\r
-/* <summary> */\r
-/* This table contains the norms of the 9-7 wavelets for different bands. */\r
-/* </summary> */\r
-static const double dwt_norms_real[4][10] = {\r
- {1.000, 1.965, 4.177, 8.403, 16.90, 33.84, 67.69, 135.3, 270.6, 540.9},\r
- {2.022, 3.989, 8.355, 17.04, 34.27, 68.63, 137.3, 274.6, 549.0},\r
- {2.022, 3.989, 8.355, 17.04, 34.27, 68.63, 137.3, 274.6, 549.0},\r
- {2.080, 3.865, 8.307, 17.18, 34.71, 69.59, 139.3, 278.6, 557.2}\r
-};\r
-\r
-/* \r
-==========================================================\r
- local functions\r
-==========================================================\r
-*/\r
-\r
-/* <summary> */\r
-/* Forward lazy transform (horizontal). */\r
-/* </summary> */ \r
-static void dwt_deinterleave_h(int *a, int *b, int dn, int sn, int cas) {\r
- int i;\r
- for (i=0; i<sn; i++) b[i]=a[2*i+cas];\r
- for (i=0; i<dn; i++) b[sn+i]=a[(2*i+1-cas)];\r
-}\r
-\r
-/* <summary> */ \r
-/* Forward lazy transform (vertical). */\r
-/* </summary> */ \r
-static void dwt_deinterleave_v(int *a, int *b, int dn, int sn, int x, int cas) {\r
- int i;\r
- for (i=0; i<sn; i++) b[i*x]=a[2*i+cas];\r
- for (i=0; i<dn; i++) b[(sn+i)*x]=a[(2*i+1-cas)];\r
-}\r
-\r
-/* <summary> */\r
-/* Inverse lazy transform (horizontal). */\r
-/* </summary> */\r
-static void dwt_interleave_h(int *a, int *b, int dn, int sn, int cas) {\r
- int i;\r
- int *ai = NULL;\r
- int *bi = NULL;\r
- ai = a;\r
- bi = b + cas;\r
- for (i = 0; i < sn; i++) {\r
- *bi = *ai; \r
- bi += 2; \r
- ai++;\r
- }\r
- ai = a + sn;\r
- bi = b + 1 - cas;\r
- for (i = 0; i < dn; i++) {\r
- *bi = *ai;\r
- bi += 2;\r
- ai++;\r
- }\r
-}\r
-\r
-/* <summary> */ \r
-/* Inverse lazy transform (vertical). */\r
-/* </summary> */ \r
-static void dwt_interleave_v(int *a, int *b, int dn, int sn, int x, int cas) {\r
- int i;\r
- int *ai = NULL;\r
- int *bi = NULL;\r
- ai = a;\r
- bi = b + cas;\r
- for (i = 0; i < sn; i++) {\r
- *bi = *ai;\r
- bi += 2;\r
- ai += x;\r
- }\r
- ai = a + (sn * x);\r
- bi = b + 1 - cas;\r
- for (i = 0; i < dn; i++) {\r
- *bi = *ai;\r
- bi += 2; \r
- ai += x;\r
- }\r
-}\r
-\r
-\r
-/* <summary> */\r
-/* Forward 5-3 wavelet tranform in 1-D. */\r
-/* </summary> */\r
-static void dwt_encode_1(int *a, int dn, int sn, int cas) {\r
- int i;\r
- \r
- if (!cas) {\r
- if ((dn > 0) || (sn > 1)) { /* NEW : CASE ONE ELEMENT */\r
- for (i = 0; i < dn; i++) D(i) -= (S_(i) + S_(i + 1)) >> 1;\r
- for (i = 0; i < sn; i++) S(i) += (D_(i - 1) + D_(i) + 2) >> 2;\r
- }\r
- } else {\r
- if (!sn && dn == 1) /* NEW : CASE ONE ELEMENT */\r
- S(0) *= 2;\r
- else {\r
- for (i = 0; i < dn; i++) S(i) -= (DD_(i) + DD_(i - 1)) >> 1;\r
- for (i = 0; i < sn; i++) D(i) += (SS_(i) + SS_(i + 1) + 2) >> 2;\r
- }\r
- }\r
-}\r
-\r
-/* <summary> */\r
-/* Inverse 5-3 wavelet tranform in 1-D. */\r
-/* </summary> */ \r
-static void dwt_decode_1(int *a, int dn, int sn, int cas) {\r
- int i;\r
- \r
- if (!cas) {\r
- if ((dn > 0) || (sn > 1)) { /* NEW : CASE ONE ELEMENT */\r
- for (i = 0; i < sn; i++) S(i) -= (D_(i - 1) + D_(i) + 2) >> 2;\r
- for (i = 0; i < dn; i++) D(i) += (S_(i) + S_(i + 1)) >> 1;\r
- }\r
- } else {\r
- if (!sn && dn == 1) /* NEW : CASE ONE ELEMENT */\r
- S(0) /= 2;\r
- else {\r
- for (i = 0; i < sn; i++) D(i) -= (SS_(i) + SS_(i + 1) + 2) >> 2;\r
- for (i = 0; i < dn; i++) S(i) += (DD_(i) + DD_(i - 1)) >> 1;\r
- }\r
- }\r
-}\r
-\r
-/* <summary> */\r
-/* Forward 9-7 wavelet transform in 1-D. */\r
-/* </summary> */\r
-static void dwt_encode_1_real(int *a, int dn, int sn, int cas) {\r
- int i;\r
- if (!cas) {\r
- if ((dn > 0) || (sn > 1)) { /* NEW : CASE ONE ELEMENT */\r
- for (i = 0; i < dn; i++)\r
- D(i) -= fix_mul(S_(i) + S_(i + 1), 12993);\r
- for (i = 0; i < sn; i++)\r
- S(i) -= fix_mul(D_(i - 1) + D_(i), 434);\r
- for (i = 0; i < dn; i++)\r
- D(i) += fix_mul(S_(i) + S_(i + 1), 7233);\r
- for (i = 0; i < sn; i++)\r
- S(i) += fix_mul(D_(i - 1) + D_(i), 3633);\r
- for (i = 0; i < dn; i++)\r
- D(i) = fix_mul(D(i), 5038); /*5038 */\r
- for (i = 0; i < sn; i++)\r
- S(i) = fix_mul(S(i), 6659); /*6660 */\r
- }\r
- } else {\r
- if ((sn > 0) || (dn > 1)) { /* NEW : CASE ONE ELEMENT */\r
- for (i = 0; i < dn; i++)\r
- S(i) -= fix_mul(DD_(i) + DD_(i - 1), 12993);\r
- for (i = 0; i < sn; i++)\r
- D(i) -= fix_mul(SS_(i) + SS_(i + 1), 434);\r
- for (i = 0; i < dn; i++)\r
- S(i) += fix_mul(DD_(i) + DD_(i - 1), 7233);\r
- for (i = 0; i < sn; i++)\r
- D(i) += fix_mul(SS_(i) + SS_(i + 1), 3633);\r
- for (i = 0; i < dn; i++)\r
- S(i) = fix_mul(S(i), 5038); /*5038 */\r
- for (i = 0; i < sn; i++)\r
- D(i) = fix_mul(D(i), 6659); /*6660 */\r
- }\r
- }\r
-}\r
-\r
-/* <summary> */\r
-/* Inverse 9-7 wavelet transform in 1-D. */\r
-/* </summary> */\r
-static void dwt_decode_1_real(int *a, int dn, int sn, int cas) {\r
- int i;\r
- if (!cas) {\r
- if ((dn > 0) || (sn > 1)) { /* NEW : CASE ONE ELEMENT */\r
- for (i = 0; i < sn; i++)\r
- S(i) = fix_mul(S(i), 10078); /* 10076 */\r
- for (i = 0; i < dn; i++)\r
- D(i) = fix_mul(D(i), 13318); /* 13320 */\r
- for (i = 0; i < sn; i++)\r
- S(i) -= fix_mul(D_(i - 1) + D_(i), 3633);\r
- for (i = 0; i < dn; i++)\r
- D(i) -= fix_mul(S_(i) + S_(i + 1), 7233);\r
- for (i = 0; i < sn; i++)\r
- S(i) += fix_mul(D_(i - 1) + D_(i), 434);\r
- for (i = 0; i < dn; i++)\r
- D(i) += fix_mul(S_(i) + S_(i + 1), 12994); /* 12993 */\r
- }\r
- } else {\r
- if ((sn > 0) || (dn > 1)) { /* NEW : CASE ONE ELEMENT */\r
- for (i = 0; i < sn; i++)\r
- D(i) = fix_mul(D(i), 10078); /* 10076 */\r
- for (i = 0; i < dn; i++)\r
- S(i) = fix_mul(S(i), 13318); /* 13320 */\r
- for (i = 0; i < sn; i++)\r
- D(i) -= fix_mul(SS_(i) + SS_(i + 1), 3633);\r
- for (i = 0; i < dn; i++)\r
- S(i) -= fix_mul(DD_(i) + DD_(i - 1), 7233);\r
- for (i = 0; i < sn; i++)\r
- D(i) += fix_mul(SS_(i) + SS_(i + 1), 434);\r
- for (i = 0; i < dn; i++)\r
- S(i) += fix_mul(DD_(i) + DD_(i - 1), 12994); /* 12993 */\r
- }\r
- }\r
-}\r
-\r
-static void dwt_encode_stepsize(int stepsize, int numbps, opj_stepsize_t *bandno_stepsize) {\r
- int p, n;\r
- p = int_floorlog2(stepsize) - 13;\r
- n = 11 - int_floorlog2(stepsize);\r
- bandno_stepsize->mant = (n < 0 ? stepsize >> -n : stepsize << n) & 0x7ff;\r
- bandno_stepsize->expn = numbps - p;\r
-}\r
-\r
-/* \r
-==========================================================\r
- DWT interface\r
-==========================================================\r
-*/\r
-\r
-/* <summary> */\r
-/* Forward 5-3 wavelet tranform in 2-D. */\r
-/* </summary> */\r
-void dwt_encode(opj_tcd_tilecomp_t * tilec) {\r
- int i, j, k;\r
- int *a = NULL;\r
- int *aj = NULL;\r
- int *bj = NULL;\r
- int w, l;\r
- \r
- w = tilec->x1-tilec->x0;\r
- l = tilec->numresolutions-1;\r
- a = tilec->data;\r
- \r
- for (i = 0; i < l; i++) {\r
- int rw; /* width of the resolution level computed */\r
- int rh; /* heigth of the resolution level computed */\r
- int rw1; /* width of the resolution level once lower than computed one */\r
- int rh1; /* height of the resolution level once lower than computed one */\r
- int cas_col; /* 0 = non inversion on horizontal filtering 1 = inversion between low-pass and high-pass filtering */\r
- int cas_row; /* 0 = non inversion on vertical filtering 1 = inversion between low-pass and high-pass filtering */\r
- int dn, sn;\r
- \r
- rw = tilec->resolutions[l - i].x1 - tilec->resolutions[l - i].x0;\r
- rh = tilec->resolutions[l - i].y1 - tilec->resolutions[l - i].y0;\r
- rw1= tilec->resolutions[l - i - 1].x1 - tilec->resolutions[l - i - 1].x0;\r
- rh1= tilec->resolutions[l - i - 1].y1 - tilec->resolutions[l - i - 1].y0;\r
- \r
- cas_row = tilec->resolutions[l - i].x0 % 2;\r
- cas_col = tilec->resolutions[l - i].y0 % 2;\r
- \r
- sn = rh1;\r
- dn = rh - rh1;\r
- bj = (int*)opj_malloc(rh * sizeof(int));\r
- for (j = 0; j < rw; j++) {\r
- aj = a + j;\r
- for (k = 0; k < rh; k++) bj[k] = aj[k*w];\r
- dwt_encode_1(bj, dn, sn, cas_col);\r
- dwt_deinterleave_v(bj, aj, dn, sn, w, cas_col);\r
- }\r
- opj_free(bj);\r
- \r
- sn = rw1;\r
- dn = rw - rw1;\r
- bj = (int*)opj_malloc(rw * sizeof(int));\r
- for (j = 0; j < rh; j++) {\r
- aj = a + j * w;\r
- for (k = 0; k < rw; k++) bj[k] = aj[k];\r
- dwt_encode_1(bj, dn, sn, cas_row);\r
- dwt_deinterleave_h(bj, aj, dn, sn, cas_row);\r
- }\r
- opj_free(bj);\r
- }\r
-}\r
-\r
-\r
-/* <summary> */\r
-/* Inverse 5-3 wavelet tranform in 2-D. */\r
-/* </summary> */\r
-void dwt_decode(opj_tcd_tilecomp_t * tilec, int stop) {\r
- int i, j, k;\r
- int *a = NULL;\r
- int *aj = NULL;\r
- int *bj = NULL;\r
- int w, l;\r
- \r
- w = tilec->x1-tilec->x0;\r
- l = tilec->numresolutions-1;\r
- a = tilec->data;\r
- \r
- for (i = l - 1; i >= stop; i--) {\r
- int rw; /* width of the resolution level computed */\r
- int rh; /* heigth of the resolution level computed */\r
- int rw1; /* width of the resolution level once lower than computed one */\r
- int rh1; /* height of the resolution level once lower than computed one */\r
- int cas_col; /* 0 = non inversion on horizontal filtering 1 = inversion between low-pass and high-pass filtering */\r
- int cas_row; /* 0 = non inversion on vertical filtering 1 = inversion between low-pass and high-pass filtering */\r
- int dn, sn;\r
- \r
- rw = tilec->resolutions[l - i].x1 - tilec->resolutions[l - i].x0;\r
- rh = tilec->resolutions[l - i].y1 - tilec->resolutions[l - i].y0;\r
- rw1= tilec->resolutions[l - i - 1].x1 - tilec->resolutions[l - i - 1].x0;\r
- rh1= tilec->resolutions[l - i - 1].y1 - tilec->resolutions[l - i - 1].y0;\r
- \r
- cas_row = tilec->resolutions[l - i].x0 % 2;\r
- cas_col = tilec->resolutions[l - i].y0 % 2;\r
- \r
- sn = rw1;\r
- dn = rw - rw1;\r
- bj = (int*)opj_malloc(rw * sizeof(int));\r
- for (j = 0; j < rh; j++) {\r
- aj = a + j*w;\r
- dwt_interleave_h(aj, bj, dn, sn, cas_row);\r
- dwt_decode_1(bj, dn, sn, cas_row);\r
- for (k = 0; k < rw; k++) aj[k] = bj[k];\r
- }\r
- opj_free(bj);\r
- \r
- sn = rh1;\r
- dn = rh - rh1;\r
- bj = (int*)opj_malloc(rh * sizeof(int));\r
- for (j = 0; j < rw; j++) {\r
- aj = a + j;\r
- dwt_interleave_v(aj, bj, dn, sn, w, cas_col);\r
- dwt_decode_1(bj, dn, sn, cas_col);\r
- for (k = 0; k < rh; k++) aj[k * w] = bj[k];\r
- }\r
- opj_free(bj);\r
- }\r
-}\r
-\r
-\r
-/* <summary> */\r
-/* Get gain of 5-3 wavelet transform. */\r
-/* </summary> */\r
-int dwt_getgain(int orient) {\r
- if (orient == 0)\r
- return 0;\r
- if (orient == 1 || orient == 2)\r
- return 1;\r
- return 2;\r
-}\r
-\r
-/* <summary> */\r
-/* Get norm of 5-3 wavelet. */\r
-/* </summary> */\r
-double dwt_getnorm(int level, int orient) {\r
- return dwt_norms[orient][level];\r
-}\r
-\r
-/* <summary> */\r
-/* Forward 9-7 wavelet transform in 2-D. */\r
-/* </summary> */\r
-\r
-void dwt_encode_real(opj_tcd_tilecomp_t * tilec) {\r
- int i, j, k;\r
- int *a = NULL;\r
- int *aj = NULL;\r
- int *bj = NULL;\r
- int w, l;\r
- \r
- w = tilec->x1-tilec->x0;\r
- l = tilec->numresolutions-1;\r
- a = tilec->data;\r
- \r
- for (i = 0; i < l; i++) {\r
- int rw; /* width of the resolution level computed */\r
- int rh; /* heigth of the resolution level computed */\r
- int rw1; /* width of the resolution level once lower than computed one */\r
- int rh1; /* height of the resolution level once lower than computed one */\r
- int cas_col; /* 0 = non inversion on horizontal filtering 1 = inversion between low-pass and high-pass filtering */\r
- int cas_row; /* 0 = non inversion on vertical filtering 1 = inversion between low-pass and high-pass filtering */\r
- int dn, sn;\r
- \r
- rw = tilec->resolutions[l - i].x1 - tilec->resolutions[l - i].x0;\r
- rh = tilec->resolutions[l - i].y1 - tilec->resolutions[l - i].y0;\r
- rw1= tilec->resolutions[l - i - 1].x1 - tilec->resolutions[l - i - 1].x0;\r
- rh1= tilec->resolutions[l - i - 1].y1 - tilec->resolutions[l - i - 1].y0;\r
- \r
- cas_row = tilec->resolutions[l - i].x0 % 2;\r
- cas_col = tilec->resolutions[l - i].y0 % 2;\r
- \r
- sn = rh1;\r
- dn = rh - rh1;\r
- bj = (int*)opj_malloc(rh * sizeof(int));\r
- for (j = 0; j < rw; j++) {\r
- aj = a + j;\r
- for (k = 0; k < rh; k++) bj[k] = aj[k*w];\r
- dwt_encode_1_real(bj, dn, sn, cas_col);\r
- dwt_deinterleave_v(bj, aj, dn, sn, w, cas_col);\r
- }\r
- opj_free(bj);\r
- \r
- sn = rw1;\r
- dn = rw - rw1;\r
- bj = (int*)opj_malloc(rw * sizeof(int));\r
- for (j = 0; j < rh; j++) {\r
- aj = a + j * w;\r
- for (k = 0; k < rw; k++) bj[k] = aj[k];\r
- dwt_encode_1_real(bj, dn, sn, cas_row);\r
- dwt_deinterleave_h(bj, aj, dn, sn, cas_row);\r
- }\r
- opj_free(bj);\r
- }\r
-}\r
-\r
-\r
-/* <summary> */\r
-/* Inverse 9-7 wavelet transform in 2-D. */\r
-/* </summary> */\r
-void dwt_decode_real(opj_tcd_tilecomp_t * tilec, int stop) {\r
- int i, j, k;\r
- int *a = NULL;\r
- int *aj = NULL;\r
- int *bj = NULL;\r
- int w, l;\r
- \r
- w = tilec->x1-tilec->x0;\r
- l = tilec->numresolutions-1;\r
- a = tilec->data;\r
- \r
- for (i = l-1; i >= stop; i--) {\r
- int rw; /* width of the resolution level computed */\r
- int rh; /* heigth of the resolution level computed */\r
- int rw1; /* width of the resolution level once lower than computed one */\r
- int rh1; /* height of the resolution level once lower than computed one */\r
- int cas_col; /* 0 = non inversion on horizontal filtering 1 = inversion between low-pass and high-pass filtering */\r
- int cas_row; /* 0 = non inversion on vertical filtering 1 = inversion between low-pass and high-pass filtering */\r
- int dn, sn;\r
- \r
- rw = tilec->resolutions[l - i].x1 - tilec->resolutions[l - i].x0;\r
- rh = tilec->resolutions[l - i].y1 - tilec->resolutions[l - i].y0;\r
- rw1= tilec->resolutions[l - i - 1].x1 - tilec->resolutions[l - i - 1].x0;\r
- rh1= tilec->resolutions[l - i - 1].y1 - tilec->resolutions[l - i - 1].y0;\r
- \r
- cas_col = tilec->resolutions[l - i].x0 % 2; /* 0 = non inversion on horizontal filtering 1 = inversion between low-pass and high-pass filtering */\r
- cas_row = tilec->resolutions[l - i].y0 % 2; /* 0 = non inversion on vertical filtering 1 = inversion between low-pass and high-pass filtering */\r
- \r
- sn = rw1;\r
- dn = rw-rw1;\r
- bj = (int*)opj_malloc(rw * sizeof(int));\r
- for (j = 0; j < rh; j++) {\r
- aj = a + j * w;\r
- dwt_interleave_h(aj, bj, dn, sn, cas_col);\r
- dwt_decode_1_real(bj, dn, sn, cas_col);\r
- for (k = 0; k < rw; k++) aj[k] = bj[k];\r
- }\r
- opj_free(bj);\r
- \r
- sn = rh1;\r
- dn = rh-rh1;\r
- bj = (int*)opj_malloc(rh * sizeof(int));\r
- for (j = 0; j < rw; j++) {\r
- aj = a + j;\r
- dwt_interleave_v(aj, bj, dn, sn, w, cas_row);\r
- dwt_decode_1_real(bj, dn, sn, cas_row);\r
- for (k = 0; k < rh; k++) aj[k * w] = bj[k];\r
- }\r
- opj_free(bj);\r
- }\r
-}\r
-\r
-\r
-/* <summary> */\r
-/* Get gain of 9-7 wavelet transform. */\r
-/* </summary> */\r
-int dwt_getgain_real(int orient) {\r
- (void)orient;\r
- return 0;\r
-}\r
-\r
-/* <summary> */\r
-/* Get norm of 9-7 wavelet. */\r
-/* </summary> */\r
-double dwt_getnorm_real(int level, int orient) {\r
- return dwt_norms_real[orient][level];\r
-}\r
-\r
-void dwt_calc_explicit_stepsizes(opj_tccp_t * tccp, int prec) {\r
- int numbands, bandno;\r
- numbands = 3 * tccp->numresolutions - 2;\r
- for (bandno = 0; bandno < numbands; bandno++) {\r
- double stepsize;\r
- int resno, level, orient, gain;\r
-\r
- resno = (bandno == 0) ? 0 : ((bandno - 1) / 3 + 1);\r
- orient = (bandno == 0) ? 0 : ((bandno - 1) % 3 + 1);\r
- level = tccp->numresolutions - 1 - resno;\r
- gain = (tccp->qmfbid == 0) ? 0 : ((orient == 0) ? 0 : (((orient == 1) || (orient == 2)) ? 1 : 2));\r
- if (tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {\r
- stepsize = 1.0;\r
- } else {\r
- double norm = dwt_norms_real[orient][level];\r
- stepsize = (1 << (gain + 1)) / norm;\r
- }\r
- dwt_encode_stepsize((int) floor(stepsize * 8192.0), prec + gain, &tccp->stepsizes[bandno]);\r
- }\r
-}\r
+/*
+ * Copyright (c) 2001-2003, David Janssens
+ * Copyright (c) 2002-2003, Yannick Verschueren
+ * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
+ * Copyright (c) 2005, Hervé Drolon, FreeImage Team
+ * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * NOTE:
+ * This is a modified version of the openjpeg dwt.c file.
+ * Average speed improvement compared to the original file (measured on
+ * my own machine, a P4 running at 3.0 GHz):
+ * 5x3 wavelets about 2 times faster
+ * 9x7 wavelets about 3 times faster
+ * for both, encoding and decoding.
+ *
+ * The better performance is caused by doing the 1-dimensional DWT
+ * within a temporary buffer where the data can be accessed sequential
+ * for both directions, horizontal and vertical. The 2d vertical DWT was
+ * the major bottleneck in the former version.
+ *
+ * I have also removed the "Add Patrick" part because it is not longer
+ * needed.
+ *
+ * 6/6/2005
+ * -Ive (aka Reiner Wahler)
+ * mail: ive@lilysoft.com
+ */
+
+#include "opj_includes.h"
+
+/** @defgroup DWT DWT - Implementation of a discrete wavelet transform */
+/*@{*/
+
+/** @name Local static functions */
+/*@{*/
+
+/**
+Forward lazy transform (horizontal)
+*/
+static void dwt_deinterleave_h(int *a, int *b, int dn, int sn, int cas);
+/**
+Forward lazy transform (vertical)
+*/
+static void dwt_deinterleave_v(int *a, int *b, int dn, int sn, int x, int cas);
+/**
+Inverse lazy transform (horizontal)
+*/
+static void dwt_interleave_h(int *a, int *b, int dn, int sn, int cas);
+/**
+Inverse lazy transform (vertical)
+*/
+static void dwt_interleave_v(int *a, int *b, int dn, int sn, int x, int cas);
+/**
+Forward 5-3 wavelet tranform in 1-D
+*/
+static void dwt_encode_1(int *a, int dn, int sn, int cas);
+/**
+Inverse 5-3 wavelet tranform in 1-D
+*/
+static void dwt_decode_1(int *a, int dn, int sn, int cas);
+/**
+Forward 9-7 wavelet transform in 1-D
+*/
+static void dwt_encode_1_real(int *a, int dn, int sn, int cas);
+/**
+Inverse 9-7 wavelet transform in 1-D
+*/
+static void dwt_decode_1_real(int *a, int dn, int sn, int cas);
+/**
+FIXME : comment ???
+*/
+static void dwt_encode_stepsize(int stepsize, int numbps, opj_stepsize_t *bandno_stepsize);
+
+/*@}*/
+
+/*@}*/
+
+#define S(i) a[(i)*2]
+#define D(i) a[(1+(i)*2)]
+#define S_(i) ((i)<0?S(0):((i)>=sn?S(sn-1):S(i)))
+#define D_(i) ((i)<0?D(0):((i)>=dn?D(dn-1):D(i)))
+/* new */
+#define SS_(i) ((i)<0?S(0):((i)>=dn?S(dn-1):S(i)))
+#define DD_(i) ((i)<0?D(0):((i)>=sn?D(sn-1):D(i)))
+
+/* <summary> */
+/* This table contains the norms of the 5-3 wavelets for different bands. */
+/* </summary> */
+static const double dwt_norms[4][10] = {
+ {1.000, 1.500, 2.750, 5.375, 10.68, 21.34, 42.67, 85.33, 170.7, 341.3},
+ {1.038, 1.592, 2.919, 5.703, 11.33, 22.64, 45.25, 90.48, 180.9},
+ {1.038, 1.592, 2.919, 5.703, 11.33, 22.64, 45.25, 90.48, 180.9},
+ {.7186, .9218, 1.586, 3.043, 6.019, 12.01, 24.00, 47.97, 95.93}
+};
+
+/* <summary> */
+/* This table contains the norms of the 9-7 wavelets for different bands. */
+/* </summary> */
+static const double dwt_norms_real[4][10] = {
+ {1.000, 1.965, 4.177, 8.403, 16.90, 33.84, 67.69, 135.3, 270.6, 540.9},
+ {2.022, 3.989, 8.355, 17.04, 34.27, 68.63, 137.3, 274.6, 549.0},
+ {2.022, 3.989, 8.355, 17.04, 34.27, 68.63, 137.3, 274.6, 549.0},
+ {2.080, 3.865, 8.307, 17.18, 34.71, 69.59, 139.3, 278.6, 557.2}
+};
+
+/*
+==========================================================
+ local functions
+==========================================================
+*/
+
+/* <summary> */
+/* Forward lazy transform (horizontal). */
+/* </summary> */
+static void dwt_deinterleave_h(int *a, int *b, int dn, int sn, int cas) {
+ int i;
+ for (i=0; i<sn; i++) b[i]=a[2*i+cas];
+ for (i=0; i<dn; i++) b[sn+i]=a[(2*i+1-cas)];
+}
+
+/* <summary> */
+/* Forward lazy transform (vertical). */
+/* </summary> */
+static void dwt_deinterleave_v(int *a, int *b, int dn, int sn, int x, int cas) {
+ int i;
+ for (i=0; i<sn; i++) b[i*x]=a[2*i+cas];
+ for (i=0; i<dn; i++) b[(sn+i)*x]=a[(2*i+1-cas)];
+}
+
+/* <summary> */
+/* Inverse lazy transform (horizontal). */
+/* </summary> */
+static void dwt_interleave_h(int *a, int *b, int dn, int sn, int cas) {
+ int i;
+ int *ai = NULL;
+ int *bi = NULL;
+ ai = a;
+ bi = b + cas;
+ for (i = 0; i < sn; i++) {
+ *bi = *ai;
+ bi += 2;
+ ai++;
+ }
+ ai = a + sn;
+ bi = b + 1 - cas;
+ for (i = 0; i < dn; i++) {
+ *bi = *ai;
+ bi += 2;
+ ai++;
+ }
+}
+
+/* <summary> */
+/* Inverse lazy transform (vertical). */
+/* </summary> */
+static void dwt_interleave_v(int *a, int *b, int dn, int sn, int x, int cas) {
+ int i;
+ int *ai = NULL;
+ int *bi = NULL;
+ ai = a;
+ bi = b + cas;
+ for (i = 0; i < sn; i++) {
+ *bi = *ai;
+ bi += 2;
+ ai += x;
+ }
+ ai = a + (sn * x);
+ bi = b + 1 - cas;
+ for (i = 0; i < dn; i++) {
+ *bi = *ai;
+ bi += 2;
+ ai += x;
+ }
+}
+
+
+/* <summary> */
+/* Forward 5-3 wavelet tranform in 1-D. */
+/* </summary> */
+static void dwt_encode_1(int *a, int dn, int sn, int cas) {
+ int i;
+
+ if (!cas) {
+ if ((dn > 0) || (sn > 1)) { /* NEW : CASE ONE ELEMENT */
+ for (i = 0; i < dn; i++) D(i) -= (S_(i) + S_(i + 1)) >> 1;
+ for (i = 0; i < sn; i++) S(i) += (D_(i - 1) + D_(i) + 2) >> 2;
+ }
+ } else {
+ if (!sn && dn == 1) /* NEW : CASE ONE ELEMENT */
+ S(0) *= 2;
+ else {
+ for (i = 0; i < dn; i++) S(i) -= (DD_(i) + DD_(i - 1)) >> 1;
+ for (i = 0; i < sn; i++) D(i) += (SS_(i) + SS_(i + 1) + 2) >> 2;
+ }
+ }
+}
+
+/* <summary> */
+/* Inverse 5-3 wavelet tranform in 1-D. */
+/* </summary> */
+static void dwt_decode_1(int *a, int dn, int sn, int cas) {
+ int i;
+
+ if (!cas) {
+ if ((dn > 0) || (sn > 1)) { /* NEW : CASE ONE ELEMENT */
+ for (i = 0; i < sn; i++) S(i) -= (D_(i - 1) + D_(i) + 2) >> 2;
+ for (i = 0; i < dn; i++) D(i) += (S_(i) + S_(i + 1)) >> 1;
+ }
+ } else {
+ if (!sn && dn == 1) /* NEW : CASE ONE ELEMENT */
+ S(0) /= 2;
+ else {
+ for (i = 0; i < sn; i++) D(i) -= (SS_(i) + SS_(i + 1) + 2) >> 2;
+ for (i = 0; i < dn; i++) S(i) += (DD_(i) + DD_(i - 1)) >> 1;
+ }
+ }
+}
+
+/* <summary> */
+/* Forward 9-7 wavelet transform in 1-D. */
+/* </summary> */
+static void dwt_encode_1_real(int *a, int dn, int sn, int cas) {
+ int i;
+ if (!cas) {
+ if ((dn > 0) || (sn > 1)) { /* NEW : CASE ONE ELEMENT */
+ for (i = 0; i < dn; i++)
+ D(i) -= fix_mul(S_(i) + S_(i + 1), 12993);
+ for (i = 0; i < sn; i++)
+ S(i) -= fix_mul(D_(i - 1) + D_(i), 434);
+ for (i = 0; i < dn; i++)
+ D(i) += fix_mul(S_(i) + S_(i + 1), 7233);
+ for (i = 0; i < sn; i++)
+ S(i) += fix_mul(D_(i - 1) + D_(i), 3633);
+ for (i = 0; i < dn; i++)
+ D(i) = fix_mul(D(i), 5038); /*5038 */
+ for (i = 0; i < sn; i++)
+ S(i) = fix_mul(S(i), 6659); /*6660 */
+ }
+ } else {
+ if ((sn > 0) || (dn > 1)) { /* NEW : CASE ONE ELEMENT */
+ for (i = 0; i < dn; i++)
+ S(i) -= fix_mul(DD_(i) + DD_(i - 1), 12993);
+ for (i = 0; i < sn; i++)
+ D(i) -= fix_mul(SS_(i) + SS_(i + 1), 434);
+ for (i = 0; i < dn; i++)
+ S(i) += fix_mul(DD_(i) + DD_(i - 1), 7233);
+ for (i = 0; i < sn; i++)
+ D(i) += fix_mul(SS_(i) + SS_(i + 1), 3633);
+ for (i = 0; i < dn; i++)
+ S(i) = fix_mul(S(i), 5038); /*5038 */
+ for (i = 0; i < sn; i++)
+ D(i) = fix_mul(D(i), 6659); /*6660 */
+ }
+ }
+}
+
+/* <summary> */
+/* Inverse 9-7 wavelet transform in 1-D. */
+/* </summary> */
+static void dwt_decode_1_real(int *a, int dn, int sn, int cas) {
+ int i;
+ if (!cas) {
+ if ((dn > 0) || (sn > 1)) { /* NEW : CASE ONE ELEMENT */
+ for (i = 0; i < sn; i++)
+ S(i) = fix_mul(S(i), 10078); /* 10076 */
+ for (i = 0; i < dn; i++)
+ D(i) = fix_mul(D(i), 13318); /* 13320 */
+ for (i = 0; i < sn; i++)
+ S(i) -= fix_mul(D_(i - 1) + D_(i), 3633);
+ for (i = 0; i < dn; i++)
+ D(i) -= fix_mul(S_(i) + S_(i + 1), 7233);
+ for (i = 0; i < sn; i++)
+ S(i) += fix_mul(D_(i - 1) + D_(i), 434);
+ for (i = 0; i < dn; i++)
+ D(i) += fix_mul(S_(i) + S_(i + 1), 12994); /* 12993 */
+ }
+ } else {
+ if ((sn > 0) || (dn > 1)) { /* NEW : CASE ONE ELEMENT */
+ for (i = 0; i < sn; i++)
+ D(i) = fix_mul(D(i), 10078); /* 10076 */
+ for (i = 0; i < dn; i++)
+ S(i) = fix_mul(S(i), 13318); /* 13320 */
+ for (i = 0; i < sn; i++)
+ D(i) -= fix_mul(SS_(i) + SS_(i + 1), 3633);
+ for (i = 0; i < dn; i++)
+ S(i) -= fix_mul(DD_(i) + DD_(i - 1), 7233);
+ for (i = 0; i < sn; i++)
+ D(i) += fix_mul(SS_(i) + SS_(i + 1), 434);
+ for (i = 0; i < dn; i++)
+ S(i) += fix_mul(DD_(i) + DD_(i - 1), 12994); /* 12993 */
+ }
+ }
+}
+
+static void dwt_encode_stepsize(int stepsize, int numbps, opj_stepsize_t *bandno_stepsize) {
+ int p, n;
+ p = int_floorlog2(stepsize) - 13;
+ n = 11 - int_floorlog2(stepsize);
+ bandno_stepsize->mant = (n < 0 ? stepsize >> -n : stepsize << n) & 0x7ff;
+ bandno_stepsize->expn = numbps - p;
+}
+
+/*
+==========================================================
+ DWT interface
+==========================================================
+*/
+
+/* <summary> */
+/* Forward 5-3 wavelet tranform in 2-D. */
+/* </summary> */
+void dwt_encode(opj_tcd_tilecomp_t * tilec) {
+ int i, j, k;
+ int *a = NULL;
+ int *aj = NULL;
+ int *bj = NULL;
+ int w, l;
+
+ w = tilec->x1-tilec->x0;
+ l = tilec->numresolutions-1;
+ a = tilec->data;
+
+ for (i = 0; i < l; i++) {
+ int rw; /* width of the resolution level computed */
+ int rh; /* heigth of the resolution level computed */
+ int rw1; /* width of the resolution level once lower than computed one */
+ int rh1; /* height of the resolution level once lower than computed one */
+ int cas_col; /* 0 = non inversion on horizontal filtering 1 = inversion between low-pass and high-pass filtering */
+ int cas_row; /* 0 = non inversion on vertical filtering 1 = inversion between low-pass and high-pass filtering */
+ int dn, sn;
+
+ rw = tilec->resolutions[l - i].x1 - tilec->resolutions[l - i].x0;
+ rh = tilec->resolutions[l - i].y1 - tilec->resolutions[l - i].y0;
+ rw1= tilec->resolutions[l - i - 1].x1 - tilec->resolutions[l - i - 1].x0;
+ rh1= tilec->resolutions[l - i - 1].y1 - tilec->resolutions[l - i - 1].y0;
+
+ cas_row = tilec->resolutions[l - i].x0 % 2;
+ cas_col = tilec->resolutions[l - i].y0 % 2;
+
+ sn = rh1;
+ dn = rh - rh1;
+ bj = (int*)opj_malloc(rh * sizeof(int));
+ for (j = 0; j < rw; j++) {
+ aj = a + j;
+ for (k = 0; k < rh; k++) bj[k] = aj[k*w];
+ dwt_encode_1(bj, dn, sn, cas_col);
+ dwt_deinterleave_v(bj, aj, dn, sn, w, cas_col);
+ }
+ opj_free(bj);
+
+ sn = rw1;
+ dn = rw - rw1;
+ bj = (int*)opj_malloc(rw * sizeof(int));
+ for (j = 0; j < rh; j++) {
+ aj = a + j * w;
+ for (k = 0; k < rw; k++) bj[k] = aj[k];
+ dwt_encode_1(bj, dn, sn, cas_row);
+ dwt_deinterleave_h(bj, aj, dn, sn, cas_row);
+ }
+ opj_free(bj);
+ }
+}
+
+
+/* <summary> */
+/* Inverse 5-3 wavelet tranform in 2-D. */
+/* </summary> */
+void dwt_decode(opj_tcd_tilecomp_t * tilec, int stop) {
+ int i, j, k;
+ int *a = NULL;
+ int *aj = NULL;
+ int *bj = NULL;
+ int w, l;
+
+ w = tilec->x1-tilec->x0;
+ l = tilec->numresolutions-1;
+ a = tilec->data;
+
+ for (i = l - 1; i >= stop; i--) {
+ int rw; /* width of the resolution level computed */
+ int rh; /* heigth of the resolution level computed */
+ int rw1; /* width of the resolution level once lower than computed one */
+ int rh1; /* height of the resolution level once lower than computed one */
+ int cas_col; /* 0 = non inversion on horizontal filtering 1 = inversion between low-pass and high-pass filtering */
+ int cas_row; /* 0 = non inversion on vertical filtering 1 = inversion between low-pass and high-pass filtering */
+ int dn, sn;
+
+ rw = tilec->resolutions[l - i].x1 - tilec->resolutions[l - i].x0;
+ rh = tilec->resolutions[l - i].y1 - tilec->resolutions[l - i].y0;
+ rw1= tilec->resolutions[l - i - 1].x1 - tilec->resolutions[l - i - 1].x0;
+ rh1= tilec->resolutions[l - i - 1].y1 - tilec->resolutions[l - i - 1].y0;
+
+ cas_row = tilec->resolutions[l - i].x0 % 2;
+ cas_col = tilec->resolutions[l - i].y0 % 2;
+
+ sn = rw1;
+ dn = rw - rw1;
+ bj = (int*)opj_malloc(rw * sizeof(int));
+ for (j = 0; j < rh; j++) {
+ aj = a + j*w;
+ dwt_interleave_h(aj, bj, dn, sn, cas_row);
+ dwt_decode_1(bj, dn, sn, cas_row);
+ for (k = 0; k < rw; k++) aj[k] = bj[k];
+ }
+ opj_free(bj);
+
+ sn = rh1;
+ dn = rh - rh1;
+ bj = (int*)opj_malloc(rh * sizeof(int));
+ for (j = 0; j < rw; j++) {
+ aj = a + j;
+ dwt_interleave_v(aj, bj, dn, sn, w, cas_col);
+ dwt_decode_1(bj, dn, sn, cas_col);
+ for (k = 0; k < rh; k++) aj[k * w] = bj[k];
+ }
+ opj_free(bj);
+ }
+}
+
+
+/* <summary> */
+/* Get gain of 5-3 wavelet transform. */
+/* </summary> */
+int dwt_getgain(int orient) {
+ if (orient == 0)
+ return 0;
+ if (orient == 1 || orient == 2)
+ return 1;
+ return 2;
+}
+
+/* <summary> */
+/* Get norm of 5-3 wavelet. */
+/* </summary> */
+double dwt_getnorm(int level, int orient) {
+ return dwt_norms[orient][level];
+}
+
+/* <summary> */
+/* Forward 9-7 wavelet transform in 2-D. */
+/* </summary> */
+
+void dwt_encode_real(opj_tcd_tilecomp_t * tilec) {
+ int i, j, k;
+ int *a = NULL;
+ int *aj = NULL;
+ int *bj = NULL;
+ int w, l;
+
+ w = tilec->x1-tilec->x0;
+ l = tilec->numresolutions-1;
+ a = tilec->data;
+
+ for (i = 0; i < l; i++) {
+ int rw; /* width of the resolution level computed */
+ int rh; /* heigth of the resolution level computed */
+ int rw1; /* width of the resolution level once lower than computed one */
+ int rh1; /* height of the resolution level once lower than computed one */
+ int cas_col; /* 0 = non inversion on horizontal filtering 1 = inversion between low-pass and high-pass filtering */
+ int cas_row; /* 0 = non inversion on vertical filtering 1 = inversion between low-pass and high-pass filtering */
+ int dn, sn;
+
+ rw = tilec->resolutions[l - i].x1 - tilec->resolutions[l - i].x0;
+ rh = tilec->resolutions[l - i].y1 - tilec->resolutions[l - i].y0;
+ rw1= tilec->resolutions[l - i - 1].x1 - tilec->resolutions[l - i - 1].x0;
+ rh1= tilec->resolutions[l - i - 1].y1 - tilec->resolutions[l - i - 1].y0;
+
+ cas_row = tilec->resolutions[l - i].x0 % 2;
+ cas_col = tilec->resolutions[l - i].y0 % 2;
+
+ sn = rh1;
+ dn = rh - rh1;
+ bj = (int*)opj_malloc(rh * sizeof(int));
+ for (j = 0; j < rw; j++) {
+ aj = a + j;
+ for (k = 0; k < rh; k++) bj[k] = aj[k*w];
+ dwt_encode_1_real(bj, dn, sn, cas_col);
+ dwt_deinterleave_v(bj, aj, dn, sn, w, cas_col);
+ }
+ opj_free(bj);
+
+ sn = rw1;
+ dn = rw - rw1;
+ bj = (int*)opj_malloc(rw * sizeof(int));
+ for (j = 0; j < rh; j++) {
+ aj = a + j * w;
+ for (k = 0; k < rw; k++) bj[k] = aj[k];
+ dwt_encode_1_real(bj, dn, sn, cas_row);
+ dwt_deinterleave_h(bj, aj, dn, sn, cas_row);
+ }
+ opj_free(bj);
+ }
+}
+
+
+/* <summary> */
+/* Inverse 9-7 wavelet transform in 2-D. */
+/* </summary> */
+void dwt_decode_real(opj_tcd_tilecomp_t * tilec, int stop) {
+ int i, j, k;
+ int *a = NULL;
+ int *aj = NULL;
+ int *bj = NULL;
+ int w, l;
+
+ w = tilec->x1-tilec->x0;
+ l = tilec->numresolutions-1;
+ a = tilec->data;
+
+ for (i = l-1; i >= stop; i--) {
+ int rw; /* width of the resolution level computed */
+ int rh; /* heigth of the resolution level computed */
+ int rw1; /* width of the resolution level once lower than computed one */
+ int rh1; /* height of the resolution level once lower than computed one */
+ int cas_col; /* 0 = non inversion on horizontal filtering 1 = inversion between low-pass and high-pass filtering */
+ int cas_row; /* 0 = non inversion on vertical filtering 1 = inversion between low-pass and high-pass filtering */
+ int dn, sn;
+
+ rw = tilec->resolutions[l - i].x1 - tilec->resolutions[l - i].x0;
+ rh = tilec->resolutions[l - i].y1 - tilec->resolutions[l - i].y0;
+ rw1= tilec->resolutions[l - i - 1].x1 - tilec->resolutions[l - i - 1].x0;
+ rh1= tilec->resolutions[l - i - 1].y1 - tilec->resolutions[l - i - 1].y0;
+
+ cas_col = tilec->resolutions[l - i].x0 % 2; /* 0 = non inversion on horizontal filtering 1 = inversion between low-pass and high-pass filtering */
+ cas_row = tilec->resolutions[l - i].y0 % 2; /* 0 = non inversion on vertical filtering 1 = inversion between low-pass and high-pass filtering */
+
+ sn = rw1;
+ dn = rw-rw1;
+ bj = (int*)opj_malloc(rw * sizeof(int));
+ for (j = 0; j < rh; j++) {
+ aj = a + j * w;
+ dwt_interleave_h(aj, bj, dn, sn, cas_col);
+ dwt_decode_1_real(bj, dn, sn, cas_col);
+ for (k = 0; k < rw; k++) aj[k] = bj[k];
+ }
+ opj_free(bj);
+
+ sn = rh1;
+ dn = rh-rh1;
+ bj = (int*)opj_malloc(rh * sizeof(int));
+ for (j = 0; j < rw; j++) {
+ aj = a + j;
+ dwt_interleave_v(aj, bj, dn, sn, w, cas_row);
+ dwt_decode_1_real(bj, dn, sn, cas_row);
+ for (k = 0; k < rh; k++) aj[k * w] = bj[k];
+ }
+ opj_free(bj);
+ }
+}
+
+
+/* <summary> */
+/* Get gain of 9-7 wavelet transform. */
+/* </summary> */
+int dwt_getgain_real(int orient) {
+ (void)orient;
+ return 0;
+}
+
+/* <summary> */
+/* Get norm of 9-7 wavelet. */
+/* </summary> */
+double dwt_getnorm_real(int level, int orient) {
+ return dwt_norms_real[orient][level];
+}
+
+void dwt_calc_explicit_stepsizes(opj_tccp_t * tccp, int prec) {
+ int numbands, bandno;
+ numbands = 3 * tccp->numresolutions - 2;
+ for (bandno = 0; bandno < numbands; bandno++) {
+ double stepsize;
+ int resno, level, orient, gain;
+
+ resno = (bandno == 0) ? 0 : ((bandno - 1) / 3 + 1);
+ orient = (bandno == 0) ? 0 : ((bandno - 1) % 3 + 1);
+ level = tccp->numresolutions - 1 - resno;
+ gain = (tccp->qmfbid == 0) ? 0 : ((orient == 0) ? 0 : (((orient == 1) || (orient == 2)) ? 1 : 2));
+ if (tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
+ stepsize = 1.0;
+ } else {
+ double norm = dwt_norms_real[orient][level];
+ stepsize = (1 << (gain + 1)) / norm;
+ }
+ dwt_encode_stepsize((int) floor(stepsize * 8192.0), prec + gain, &tccp->stepsizes[bandno]);
+ }
+}
-/*\r
- * Copyright (c) 2001-2003, David Janssens\r
- * Copyright (c) 2002-2003, Yannick Verschueren\r
- * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe\r
- * Copyright (c) 2005, Hervé Drolon, FreeImage Team\r
- * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium\r
- * All rights reserved.\r
- *\r
- * Redistribution and use in source and binary forms, with or without\r
- * modification, are permitted provided that the following conditions\r
- * are met:\r
- * 1. Redistributions of source code must retain the above copyright\r
- * notice, this list of conditions and the following disclaimer.\r
- * 2. Redistributions in binary form must reproduce the above copyright\r
- * notice, this list of conditions and the following disclaimer in the\r
- * documentation and/or other materials provided with the distribution.\r
- *\r
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'\r
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE\r
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\r
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\r
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\r
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\r
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
- * POSSIBILITY OF SUCH DAMAGE.\r
- */\r
-\r
-#ifndef __DWT_H\r
-#define __DWT_H\r
-/**\r
-@file dwt.h\r
-@brief Implementation of a discrete wavelet transform (DWT)\r
-\r
-The functions in DWT.C have for goal to realize forward and inverse discret wavelet\r
-transform with filter 5-3 (reversible) and filter 9-7 (irreversible). The functions in\r
-DWT.C are used by some function in TCD.C.\r
-*/\r
-\r
-/** @defgroup DWT DWT - Implementation of a discrete wavelet transform */\r
-/*@{*/\r
-\r
-\r
-/** @name Exported functions */\r
-/*@{*/\r
-/* ----------------------------------------------------------------------- */\r
-/**\r
-Forward 5-3 wavelet tranform in 2-D. \r
-Apply a reversible DWT transform to a component of an image.\r
-@param tilec Tile component information (current tile)\r
-*/\r
-void dwt_encode(opj_tcd_tilecomp_t * tilec);\r
-/**\r
-Inverse 5-3 wavelet tranform in 2-D.\r
-Apply a reversible inverse DWT transform to a component of an image.\r
-@param tilec Tile component information (current tile)\r
-@param stop FIXME Number of decoded resolution levels ?\r
-*/\r
-void dwt_decode(opj_tcd_tilecomp_t * tilec, int stop);\r
-/**\r
-Get the gain of a subband for the reversible 5-3 DWT.\r
-@param orient Number that identifies the subband (0->LL, 1->HL, 2->LH, 3->HH)\r
-@return Returns 0 if orient = 0, returns 1 if orient = 1 or 2, returns 2 otherwise\r
-*/\r
-int dwt_getgain(int orient);\r
-/**\r
-Get the norm of a wavelet function of a subband at a specified level for the reversible 5-3 DWT.\r
-@param level Level of the wavelet function\r
-@param orient Band of the wavelet function\r
-@return Returns the norm of the wavelet function\r
-*/\r
-double dwt_getnorm(int level, int orient);\r
-/**\r
-Forward 9-7 wavelet transform in 2-D. \r
-Apply an irreversible DWT transform to a component of an image.\r
-@param tilec Tile component information (current tile)\r
-*/\r
-void dwt_encode_real(opj_tcd_tilecomp_t * tilec);\r
-/**\r
-Inverse 9-7 wavelet transform in 2-D. \r
-Apply an irreversible inverse DWT transform to a component of an image.\r
-@param tilec Tile component information (current tile)\r
-@param stop FIXME Number of decoded resolution levels ?\r
-*/\r
-void dwt_decode_real(opj_tcd_tilecomp_t * tilec, int stop);\r
-/**\r
-Get the gain of a subband for the irreversible 9-7 DWT.\r
-@param orient Number that identifies the subband (0->LL, 1->HL, 2->LH, 3->HH)\r
-@return Returns the gain of the 9-7 wavelet transform\r
-*/\r
-int dwt_getgain_real(int orient);\r
-/**\r
-Get the norm of a wavelet function of a subband at a specified level for the irreversible 9-7 DWT\r
-@param level Level of the wavelet function\r
-@param orient Band of the wavelet function\r
-@return Returns the norm of the 9-7 wavelet\r
-*/\r
-double dwt_getnorm_real(int level, int orient);\r
-/**\r
-FIXME : comment ???\r
-@param tccp\r
-@param prec\r
-*/\r
-void dwt_calc_explicit_stepsizes(opj_tccp_t * tccp, int prec);\r
-/* ----------------------------------------------------------------------- */\r
-/*@}*/\r
-\r
-/*@}*/\r
-\r
-#endif /* __DWT_H */\r
+/*
+ * Copyright (c) 2001-2003, David Janssens
+ * Copyright (c) 2002-2003, Yannick Verschueren
+ * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
+ * Copyright (c) 2005, Hervé Drolon, FreeImage Team
+ * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __DWT_H
+#define __DWT_H
+/**
+@file dwt.h
+@brief Implementation of a discrete wavelet transform (DWT)
+
+The functions in DWT.C have for goal to realize forward and inverse discret wavelet
+transform with filter 5-3 (reversible) and filter 9-7 (irreversible). The functions in
+DWT.C are used by some function in TCD.C.
+*/
+
+/** @defgroup DWT DWT - Implementation of a discrete wavelet transform */
+/*@{*/
+
+
+/** @name Exported functions */
+/*@{*/
+/* ----------------------------------------------------------------------- */
+/**
+Forward 5-3 wavelet tranform in 2-D.
+Apply a reversible DWT transform to a component of an image.
+@param tilec Tile component information (current tile)
+*/
+void dwt_encode(opj_tcd_tilecomp_t * tilec);
+/**
+Inverse 5-3 wavelet tranform in 2-D.
+Apply a reversible inverse DWT transform to a component of an image.
+@param tilec Tile component information (current tile)
+@param stop FIXME Number of decoded resolution levels ?
+*/
+void dwt_decode(opj_tcd_tilecomp_t * tilec, int stop);
+/**
+Get the gain of a subband for the reversible 5-3 DWT.
+@param orient Number that identifies the subband (0->LL, 1->HL, 2->LH, 3->HH)
+@return Returns 0 if orient = 0, returns 1 if orient = 1 or 2, returns 2 otherwise
+*/
+int dwt_getgain(int orient);
+/**
+Get the norm of a wavelet function of a subband at a specified level for the reversible 5-3 DWT.
+@param level Level of the wavelet function
+@param orient Band of the wavelet function
+@return Returns the norm of the wavelet function
+*/
+double dwt_getnorm(int level, int orient);
+/**
+Forward 9-7 wavelet transform in 2-D.
+Apply an irreversible DWT transform to a component of an image.
+@param tilec Tile component information (current tile)
+*/
+void dwt_encode_real(opj_tcd_tilecomp_t * tilec);
+/**
+Inverse 9-7 wavelet transform in 2-D.
+Apply an irreversible inverse DWT transform to a component of an image.
+@param tilec Tile component information (current tile)
+@param stop FIXME Number of decoded resolution levels ?
+*/
+void dwt_decode_real(opj_tcd_tilecomp_t * tilec, int stop);
+/**
+Get the gain of a subband for the irreversible 9-7 DWT.
+@param orient Number that identifies the subband (0->LL, 1->HL, 2->LH, 3->HH)
+@return Returns the gain of the 9-7 wavelet transform
+*/
+int dwt_getgain_real(int orient);
+/**
+Get the norm of a wavelet function of a subband at a specified level for the irreversible 9-7 DWT
+@param level Level of the wavelet function
+@param orient Band of the wavelet function
+@return Returns the norm of the 9-7 wavelet
+*/
+double dwt_getnorm_real(int level, int orient);
+/**
+FIXME : comment ???
+@param tccp
+@param prec
+*/
+void dwt_calc_explicit_stepsizes(opj_tccp_t * tccp, int prec);
+/* ----------------------------------------------------------------------- */
+/*@}*/
+
+/*@}*/
+
+#endif /* __DWT_H */
-/*\r
- * Copyright (c) 2005, Hervé Drolon, FreeImage Team\r
- * All rights reserved.\r
- *\r
- * Redistribution and use in source and binary forms, with or without\r
- * modification, are permitted provided that the following conditions\r
- * are met:\r
- * 1. Redistributions of source code must retain the above copyright\r
- * notice, this list of conditions and the following disclaimer.\r
- * 2. Redistributions in binary form must reproduce the above copyright\r
- * notice, this list of conditions and the following disclaimer in the\r
- * documentation and/or other materials provided with the distribution.\r
- *\r
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'\r
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE\r
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\r
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\r
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\r
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\r
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
- * POSSIBILITY OF SUCH DAMAGE.\r
- */\r
-\r
-#include "opj_includes.h"\r
-\r
-/* ==========================================================\r
- Utility functions\r
- ==========================================================*/\r
-\r
-#ifndef WIN32\r
-static char*\r
-i2a(unsigned i, char *a, unsigned r) {\r
- if (i/r > 0) a = i2a(i/r,a,r);\r
- *a = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"[i%r];\r
- return a+1;\r
-}\r
-\r
-/** \r
- Transforms integer i into an ascii string and stores the result in a; \r
- string is encoded in the base indicated by r.\r
- @param i Number to be converted\r
- @param a String result\r
- @param r Base of value; must be in the range 2 - 36\r
- @return Returns a\r
-*/\r
-static char *\r
-_itoa(int i, char *a, int r) {\r
- r = ((r < 2) || (r > 36)) ? 10 : r;\r
- if(i < 0) {\r
- *a = '-';\r
- *i2a(-i, a+1, r) = 0;\r
- }\r
- else *i2a(i, a, r) = 0;\r
- return a;\r
-}\r
-\r
-#endif /* !WIN32 */\r
-\r
-/* ----------------------------------------------------------------------- */\r
-\r
-opj_event_mgr_t* opj_set_event_mgr(opj_common_ptr cinfo, opj_event_mgr_t *event_mgr, void *context) {\r
- if(cinfo) {\r
- opj_event_mgr_t *previous = cinfo->event_mgr;\r
- cinfo->event_mgr = event_mgr;\r
- cinfo->client_data = context;\r
- return previous;\r
- }\r
-\r
- return NULL;\r
-}\r
-\r
-bool opj_event_msg(opj_common_ptr cinfo, int event_type, const char *fmt, ...) {\r
-#define MSG_SIZE 512 /* 512 bytes should be more than enough for a short message */\r
- opj_msg_callback msg_handler = NULL;\r
-\r
- opj_event_mgr_t *event_mgr = cinfo->event_mgr;\r
- if(event_mgr != NULL) {\r
- switch(event_type) {\r
- case EVT_ERROR:\r
- msg_handler = event_mgr->error_handler;\r
- break;\r
- case EVT_WARNING:\r
- msg_handler = event_mgr->warning_handler;\r
- break;\r
- case EVT_INFO:\r
- msg_handler = event_mgr->info_handler;\r
- break;\r
- default:\r
- break;\r
- }\r
- if(msg_handler == NULL) {\r
- return false;\r
- }\r
- } else {\r
- return false;\r
- }\r
-\r
- if ((fmt != NULL) && (event_mgr != NULL)) {\r
- va_list arg;\r
- int str_length, i, j;\r
- char message[MSG_SIZE];\r
- memset(message, 0, MSG_SIZE);\r
- /* initialize the optional parameter list */\r
- va_start(arg, fmt);\r
- /* check the length of the format string */\r
- str_length = (strlen(fmt) > MSG_SIZE) ? MSG_SIZE : strlen(fmt);\r
- /* parse the format string and put the result in 'message' */\r
- for (i = 0, j = 0; i < str_length; ++i) {\r
- if (fmt[i] == '%') {\r
- if (i + 1 < str_length) {\r
- switch(tolower(fmt[i + 1])) {\r
- case '%' :\r
- message[j++] = '%';\r
- break;\r
- case 'o' : /* octal numbers */\r
- {\r
- char tmp[16];\r
- _itoa(va_arg(arg, int), tmp, 8);\r
- strcat(message, tmp);\r
- j += strlen(tmp);\r
- ++i;\r
- break;\r
- }\r
- case 'i' : /* decimal numbers */\r
- case 'd' :\r
- {\r
- char tmp[16];\r
- _itoa(va_arg(arg, int), tmp, 10);\r
- strcat(message, tmp);\r
- j += strlen(tmp);\r
- ++i;\r
- break;\r
- }\r
- case 'x' : /* hexadecimal numbers */\r
- {\r
- char tmp[16];\r
- _itoa(va_arg(arg, int), tmp, 16);\r
- strcat(message, tmp);\r
- j += strlen(tmp);\r
- ++i;\r
- break;\r
- }\r
- case 's' : /* strings */\r
- {\r
- char *tmp = va_arg(arg, char*);\r
- strcat(message, tmp);\r
- j += strlen(tmp);\r
- ++i;\r
- break;\r
- }\r
- case 'f' : /* floats */\r
- {\r
- char tmp[16];\r
- double value = va_arg(arg, double);\r
- sprintf(tmp, "%f", value);\r
- strcat(message, tmp);\r
- j += strlen(tmp);\r
- ++i;\r
- break;\r
- }\r
- };\r
- } else {\r
- message[j++] = fmt[i];\r
- }\r
- } else {\r
- message[j++] = fmt[i];\r
- };\r
- }\r
- /* deinitialize the optional parameter list */\r
- va_end(arg);\r
-\r
- /* output the message to the user program */\r
- msg_handler(message, cinfo->client_data);\r
- }\r
-\r
- return true;\r
-}\r
-\r
+/*
+ * Copyright (c) 2005, Hervé Drolon, FreeImage Team
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "opj_includes.h"
+
+/* ==========================================================
+ Utility functions
+ ==========================================================*/
+
+#ifndef WIN32
+static char*
+i2a(unsigned i, char *a, unsigned r) {
+ if (i/r > 0) a = i2a(i/r,a,r);
+ *a = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"[i%r];
+ return a+1;
+}
+
+/**
+ Transforms integer i into an ascii string and stores the result in a;
+ string is encoded in the base indicated by r.
+ @param i Number to be converted
+ @param a String result
+ @param r Base of value; must be in the range 2 - 36
+ @return Returns a
+*/
+static char *
+_itoa(int i, char *a, int r) {
+ r = ((r < 2) || (r > 36)) ? 10 : r;
+ if(i < 0) {
+ *a = '-';
+ *i2a(-i, a+1, r) = 0;
+ }
+ else *i2a(i, a, r) = 0;
+ return a;
+}
+
+#endif /* !WIN32 */
+
+/* ----------------------------------------------------------------------- */
+
+opj_event_mgr_t* opj_set_event_mgr(opj_common_ptr cinfo, opj_event_mgr_t *event_mgr, void *context) {
+ if(cinfo) {
+ opj_event_mgr_t *previous = cinfo->event_mgr;
+ cinfo->event_mgr = event_mgr;
+ cinfo->client_data = context;
+ return previous;
+ }
+
+ return NULL;
+}
+
+bool opj_event_msg(opj_common_ptr cinfo, int event_type, const char *fmt, ...) {
+#define MSG_SIZE 512 /* 512 bytes should be more than enough for a short message */
+ opj_msg_callback msg_handler = NULL;
+
+ opj_event_mgr_t *event_mgr = cinfo->event_mgr;
+ if(event_mgr != NULL) {
+ switch(event_type) {
+ case EVT_ERROR:
+ msg_handler = event_mgr->error_handler;
+ break;
+ case EVT_WARNING:
+ msg_handler = event_mgr->warning_handler;
+ break;
+ case EVT_INFO:
+ msg_handler = event_mgr->info_handler;
+ break;
+ default:
+ break;
+ }
+ if(msg_handler == NULL) {
+ return false;
+ }
+ } else {
+ return false;
+ }
+
+ if ((fmt != NULL) && (event_mgr != NULL)) {
+ va_list arg;
+ int str_length, i, j;
+ char message[MSG_SIZE];
+ memset(message, 0, MSG_SIZE);
+ /* initialize the optional parameter list */
+ va_start(arg, fmt);
+ /* check the length of the format string */
+ str_length = (strlen(fmt) > MSG_SIZE) ? MSG_SIZE : strlen(fmt);
+ /* parse the format string and put the result in 'message' */
+ for (i = 0, j = 0; i < str_length; ++i) {
+ if (fmt[i] == '%') {
+ if (i + 1 < str_length) {
+ switch(tolower(fmt[i + 1])) {
+ case '%' :
+ message[j++] = '%';
+ break;
+ case 'o' : /* octal numbers */
+ {
+ char tmp[16];
+ _itoa(va_arg(arg, int), tmp, 8);
+ strcat(message, tmp);
+ j += strlen(tmp);
+ ++i;
+ break;
+ }
+ case 'i' : /* decimal numbers */
+ case 'd' :
+ {
+ char tmp[16];
+ _itoa(va_arg(arg, int), tmp, 10);
+ strcat(message, tmp);
+ j += strlen(tmp);
+ ++i;
+ break;
+ }
+ case 'x' : /* hexadecimal numbers */
+ {
+ char tmp[16];
+ _itoa(va_arg(arg, int), tmp, 16);
+ strcat(message, tmp);
+ j += strlen(tmp);
+ ++i;
+ break;
+ }
+ case 's' : /* strings */
+ {
+ char *tmp = va_arg(arg, char*);
+ strcat(message, tmp);
+ j += strlen(tmp);
+ ++i;
+ break;
+ }
+ case 'f' : /* floats */
+ {
+ char tmp[16];
+ double value = va_arg(arg, double);
+ sprintf(tmp, "%f", value);
+ strcat(message, tmp);
+ j += strlen(tmp);
+ ++i;
+ break;
+ }
+ };
+ } else {
+ message[j++] = fmt[i];
+ }
+ } else {
+ message[j++] = fmt[i];
+ };
+ }
+ /* deinitialize the optional parameter list */
+ va_end(arg);
+
+ /* output the message to the user program */
+ msg_handler(message, cinfo->client_data);
+ }
+
+ return true;
+}
+
-/*\r
- * Copyright (c) 2005, Hervé Drolon, FreeImage Team\r
- * All rights reserved.\r
- *\r
- * Redistribution and use in source and binary forms, with or without\r
- * modification, are permitted provided that the following conditions\r
- * are met:\r
- * 1. Redistributions of source code must retain the above copyright\r
- * notice, this list of conditions and the following disclaimer.\r
- * 2. Redistributions in binary form must reproduce the above copyright\r
- * notice, this list of conditions and the following disclaimer in the\r
- * documentation and/or other materials provided with the distribution.\r
- *\r
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'\r
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE\r
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\r
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\r
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\r
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\r
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
- * POSSIBILITY OF SUCH DAMAGE.\r
- */\r
-#ifndef __EVENT_H\r
-#define __EVENT_H\r
-/**\r
-@file event.h\r
-@brief Implementation of a event callback system\r
-\r
-The functions in EVENT.C have for goal to send output messages (errors, warnings, debug) to the user.\r
-*/\r
-\r
-#define EVT_ERROR 1 /**< Error event type */\r
-#define EVT_WARNING 2 /**< Warning event type */\r
-#define EVT_INFO 4 /**< Debug event type */\r
-\r
-/** @defgroup EVENT EVENT - Implementation of a event callback system */\r
-/*@{*/\r
-\r
-/** @name Exported functions (see also openjpeg.h) */\r
-/*@{*/\r
-/* ----------------------------------------------------------------------- */\r
-/**\r
-Write formatted data to a string and send the string to a user callback. \r
-@param cinfo Codec context info\r
-@param event_type Event type or callback to use to send the message\r
-@param fmt Format-control string (plus optionnal arguments)\r
-@return Returns true if successful, returns false otherwise\r
-*/\r
-bool opj_event_msg(opj_common_ptr cinfo, int event_type, const char *fmt, ...);\r
-/* ----------------------------------------------------------------------- */\r
-/*@}*/\r
-\r
-/*@}*/\r
-\r
-#endif /* __EVENT_H */\r
+/*
+ * Copyright (c) 2005, Hervé Drolon, FreeImage Team
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef __EVENT_H
+#define __EVENT_H
+/**
+@file event.h
+@brief Implementation of a event callback system
+
+The functions in EVENT.C have for goal to send output messages (errors, warnings, debug) to the user.
+*/
+
+#define EVT_ERROR 1 /**< Error event type */
+#define EVT_WARNING 2 /**< Warning event type */
+#define EVT_INFO 4 /**< Debug event type */
+
+/** @defgroup EVENT EVENT - Implementation of a event callback system */
+/*@{*/
+
+/** @name Exported functions (see also openjpeg.h) */
+/*@{*/
+/* ----------------------------------------------------------------------- */
+/**
+Write formatted data to a string and send the string to a user callback.
+@param cinfo Codec context info
+@param event_type Event type or callback to use to send the message
+@param fmt Format-control string (plus optionnal arguments)
+@return Returns true if successful, returns false otherwise
+*/
+bool opj_event_msg(opj_common_ptr cinfo, int event_type, const char *fmt, ...);
+/* ----------------------------------------------------------------------- */
+/*@}*/
+
+/*@}*/
+
+#endif /* __EVENT_H */
-/*\r
- * Copyright (c) 2001-2003, David Janssens\r
- * Copyright (c) 2002-2003, Yannick Verschueren\r
- * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe\r
- * Copyright (c) 2005, Hervé Drolon, FreeImage Team\r
- * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium\r
- * All rights reserved.\r
- *\r
- * Redistribution and use in source and binary forms, with or without\r
- * modification, are permitted provided that the following conditions\r
- * are met:\r
- * 1. Redistributions of source code must retain the above copyright\r
- * notice, this list of conditions and the following disclaimer.\r
- * 2. Redistributions in binary form must reproduce the above copyright\r
- * notice, this list of conditions and the following disclaimer in the\r
- * documentation and/or other materials provided with the distribution.\r
- *\r
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'\r
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE\r
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\r
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\r
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\r
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\r
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
- * POSSIBILITY OF SUCH DAMAGE.\r
- */\r
-\r
-#include "fix.h"\r
-\r
-#ifdef WIN32\r
-#define int64 __int64\r
-#else\r
-#define int64 long long\r
-#endif\r
-\r
-int fix_mul(int a, int b) {\r
- int64 temp = (int64) a * (int64) b >> 12;\r
- return (int) ((temp >> 1) + (temp & 1)) ;\r
-}\r
-\r
-\r
-\r
+/*
+ * Copyright (c) 2001-2003, David Janssens
+ * Copyright (c) 2002-2003, Yannick Verschueren
+ * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
+ * Copyright (c) 2005, Hervé Drolon, FreeImage Team
+ * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "fix.h"
+
+#ifdef WIN32
+#define int64 __int64
+#else
+#define int64 long long
+#endif
+
+int fix_mul(int a, int b) {
+ int64 temp = (int64) a * (int64) b >> 12;
+ return (int) ((temp >> 1) + (temp & 1)) ;
+}
+
+
+
-/*\r
- * Copyright (c) 2001-2003, David Janssens\r
- * Copyright (c) 2002-2003, Yannick Verschueren\r
- * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe\r
- * Copyright (c) 2005, Hervé Drolon, FreeImage Team\r
- * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium\r
- * All rights reserved.\r
- *\r
- * Redistribution and use in source and binary forms, with or without\r
- * modification, are permitted provided that the following conditions\r
- * are met:\r
- * 1. Redistributions of source code must retain the above copyright\r
- * notice, this list of conditions and the following disclaimer.\r
- * 2. Redistributions in binary form must reproduce the above copyright\r
- * notice, this list of conditions and the following disclaimer in the\r
- * documentation and/or other materials provided with the distribution.\r
- *\r
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'\r
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE\r
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\r
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\r
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\r
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\r
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
- * POSSIBILITY OF SUCH DAMAGE.\r
- */\r
-#ifndef __FIX_H\r
-#define __FIX_H\r
-/**\r
-@file fix.h\r
-@brief Implementation of operations of specific multiplication (FIX)\r
-\r
-The functions in FIX.C have for goal to realize specific multiplication.\r
-*/\r
-\r
-/** @defgroup FIX FIX - Implementation of operations of specific multiplication */\r
-/*@{*/\r
-\r
-/**\r
-Multiply two fixed-precision rational numbers.\r
-@param a\r
-@param b\r
-@return Returns a * b\r
-*/\r
-int fix_mul(int a, int b);\r
-\r
-/*@}*/\r
-\r
-#endif /* __FIX_H */\r
+/*
+ * Copyright (c) 2001-2003, David Janssens
+ * Copyright (c) 2002-2003, Yannick Verschueren
+ * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
+ * Copyright (c) 2005, Hervé Drolon, FreeImage Team
+ * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef __FIX_H
+#define __FIX_H
+/**
+@file fix.h
+@brief Implementation of operations of specific multiplication (FIX)
+
+The functions in FIX.C have for goal to realize specific multiplication.
+*/
+
+/** @defgroup FIX FIX - Implementation of operations of specific multiplication */
+/*@{*/
+
+/**
+Multiply two fixed-precision rational numbers.
+@param a
+@param b
+@return Returns a * b
+*/
+int fix_mul(int a, int b);
+
+/*@}*/
+
+#endif /* __FIX_H */
-/*\r
- * Copyright (c) 2005, Hervé Drolon, FreeImage Team\r
- * All rights reserved.\r
- *\r
- * Redistribution and use in source and binary forms, with or without\r
- * modification, are permitted provided that the following conditions\r
- * are met:\r
- * 1. Redistributions of source code must retain the above copyright\r
- * notice, this list of conditions and the following disclaimer.\r
- * 2. Redistributions in binary form must reproduce the above copyright\r
- * notice, this list of conditions and the following disclaimer in the\r
- * documentation and/or other materials provided with the distribution.\r
- *\r
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'\r
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE\r
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\r
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\r
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\r
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\r
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
- * POSSIBILITY OF SUCH DAMAGE.\r
- */\r
-\r
-#include "opj_includes.h"\r
-\r
-opj_image_t* opj_image_create0() {\r
- opj_image_t *image = (opj_image_t*)opj_malloc(sizeof(opj_image_t));\r
- return image;\r
-}\r
-\r
-opj_image_t *opj_image_create(int numcmpts, opj_image_cmptparm_t *cmptparms, OPJ_COLOR_SPACE clrspc) {\r
- int compno;\r
- opj_image_t *image = NULL;\r
-\r
- image = (opj_image_t*)opj_malloc(sizeof(opj_image_t));\r
- if(image) {\r
- image->color_space = clrspc;\r
- image->numcomps = numcmpts;\r
- /* allocate memory for the per-component information */\r
- image->comps = (opj_image_comp_t*)opj_malloc(image->numcomps * sizeof(opj_image_comp_t));\r
- if(!image->comps) {\r
- opj_image_destroy(image);\r
- return NULL;\r
- }\r
- /* create the individual image components */\r
- for(compno = 0; compno < numcmpts; compno++) {\r
- opj_image_comp_t *comp = &image->comps[compno];\r
- comp->dx = cmptparms[compno].dx;\r
- comp->dy = cmptparms[compno].dy;\r
- comp->w = cmptparms[compno].w;\r
- comp->h = cmptparms[compno].h;\r
- comp->x0 = cmptparms[compno].x0;\r
- comp->y0 = cmptparms[compno].y0;\r
- comp->prec = cmptparms[compno].prec;\r
- comp->bpp = cmptparms[compno].bpp;\r
- comp->sgnd = cmptparms[compno].sgnd;\r
- comp->data = (int*)opj_malloc(comp->w * comp->h * sizeof(int));\r
- if(!comp->data) {\r
- opj_image_destroy(image);\r
- return NULL;\r
- }\r
- }\r
- }\r
-\r
- return image;\r
-}\r
-\r
-void opj_image_destroy(opj_image_t *image) {\r
- int i;\r
- if(image) {\r
- if(image->comps) {\r
- /* image components */\r
- for(i = 0; i < image->numcomps; i++) {\r
- opj_image_comp_t *image_comp = &image->comps[i];\r
- if(image_comp->data) {\r
- opj_free(image_comp->data);\r
- }\r
- }\r
- opj_free(image->comps);\r
- }\r
- opj_free(image);\r
- }\r
-}\r
-\r
+/*
+ * Copyright (c) 2005, Hervé Drolon, FreeImage Team
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "opj_includes.h"
+
+opj_image_t* opj_image_create0() {
+ opj_image_t *image = (opj_image_t*)opj_malloc(sizeof(opj_image_t));
+ return image;
+}
+
+opj_image_t *opj_image_create(int numcmpts, opj_image_cmptparm_t *cmptparms, OPJ_COLOR_SPACE clrspc) {
+ int compno;
+ opj_image_t *image = NULL;
+
+ image = (opj_image_t*)opj_malloc(sizeof(opj_image_t));
+ if(image) {
+ image->color_space = clrspc;
+ image->numcomps = numcmpts;
+ /* allocate memory for the per-component information */
+ image->comps = (opj_image_comp_t*)opj_malloc(image->numcomps * sizeof(opj_image_comp_t));
+ if(!image->comps) {
+ opj_image_destroy(image);
+ return NULL;
+ }
+ /* create the individual image components */
+ for(compno = 0; compno < numcmpts; compno++) {
+ opj_image_comp_t *comp = &image->comps[compno];
+ comp->dx = cmptparms[compno].dx;
+ comp->dy = cmptparms[compno].dy;
+ comp->w = cmptparms[compno].w;
+ comp->h = cmptparms[compno].h;
+ comp->x0 = cmptparms[compno].x0;
+ comp->y0 = cmptparms[compno].y0;
+ comp->prec = cmptparms[compno].prec;
+ comp->bpp = cmptparms[compno].bpp;
+ comp->sgnd = cmptparms[compno].sgnd;
+ comp->data = (int*)opj_malloc(comp->w * comp->h * sizeof(int));
+ if(!comp->data) {
+ opj_image_destroy(image);
+ return NULL;
+ }
+ }
+ }
+
+ return image;
+}
+
+void opj_image_destroy(opj_image_t *image) {
+ int i;
+ if(image) {
+ if(image->comps) {
+ /* image components */
+ for(i = 0; i < image->numcomps; i++) {
+ opj_image_comp_t *image_comp = &image->comps[i];
+ if(image_comp->data) {
+ opj_free(image_comp->data);
+ }
+ }
+ opj_free(image->comps);
+ }
+ opj_free(image);
+ }
+}
+
-/*\r
- * Copyright (c) 2005, Hervé Drolon, FreeImage Team\r
- * All rights reserved.\r
- *\r
- * Redistribution and use in source and binary forms, with or without\r
- * modification, are permitted provided that the following conditions\r
- * are met:\r
- * 1. Redistributions of source code must retain the above copyright\r
- * notice, this list of conditions and the following disclaimer.\r
- * 2. Redistributions in binary form must reproduce the above copyright\r
- * notice, this list of conditions and the following disclaimer in the\r
- * documentation and/or other materials provided with the distribution.\r
- *\r
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'\r
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE\r
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\r
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\r
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\r
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\r
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
- * POSSIBILITY OF SUCH DAMAGE.\r
- */\r
-#ifndef __IMAGE_H\r
-#define __IMAGE_H\r
-/**\r
-@file image.h\r
-@brief Implementation of operations on images (IMAGE)\r
-\r
-The functions in IMAGE.C have for goal to realize operations on images.\r
-*/\r
-\r
-/** @defgroup IMAGE IMAGE - Implementation of operations on images */\r
-/*@{*/\r
-\r
-/**\r
-Create an empty image\r
-@todo this function should be removed\r
-@return returns an empty image if successful, returns NULL otherwise\r
-*/\r
-opj_image_t* opj_image_create0();\r
-\r
-/*@}*/\r
-\r
-#endif /* __IMAGE_H */\r
-\r
+/*
+ * Copyright (c) 2005, Hervé Drolon, FreeImage Team
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef __IMAGE_H
+#define __IMAGE_H
+/**
+@file image.h
+@brief Implementation of operations on images (IMAGE)
+
+The functions in IMAGE.C have for goal to realize operations on images.
+*/
+
+/** @defgroup IMAGE IMAGE - Implementation of operations on images */
+/*@{*/
+
+/**
+Create an empty image
+@todo this function should be removed
+@return returns an empty image if successful, returns NULL otherwise
+*/
+opj_image_t* opj_image_create0();
+
+/*@}*/
+
+#endif /* __IMAGE_H */
+
-/*\r
- * Copyright (c) 2001-2003, David Janssens\r
- * Copyright (c) 2002-2003, Yannick Verschueren\r
- * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe\r
- * Copyright (c) 2005, Hervé Drolon, FreeImage Team\r
- * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium\r
- * All rights reserved.\r
- *\r
- * Redistribution and use in source and binary forms, with or without\r
- * modification, are permitted provided that the following conditions\r
- * are met:\r
- * 1. Redistributions of source code must retain the above copyright\r
- * notice, this list of conditions and the following disclaimer.\r
- * 2. Redistributions in binary form must reproduce the above copyright\r
- * notice, this list of conditions and the following disclaimer in the\r
- * documentation and/or other materials provided with the distribution.\r
- *\r
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'\r
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE\r
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\r
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\r
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\r
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\r
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
- * POSSIBILITY OF SUCH DAMAGE.\r
- */\r
-\r
-#include "opj_includes.h"\r
-\r
-int int_min(int a, int b) {\r
- return a < b ? a : b;\r
-}\r
-\r
-int int_max(int a, int b) {\r
- return (a > b) ? a : b;\r
-}\r
-\r
-int int_clamp(int a, int min, int max) {\r
- if (a < min)\r
- return min;\r
- if (a > max)\r
- return max;\r
- return a;\r
-}\r
-\r
-int int_abs(int a) {\r
- return a < 0 ? -a : a;\r
-}\r
-\r
-int int_ceildiv(int a, int b) {\r
- return (a + b - 1) / b;\r
-}\r
-\r
-int int_ceildivpow2(int a, int b) {\r
- return (a + (1 << b) - 1) >> b;\r
-}\r
-\r
-int int_floordivpow2(int a, int b) {\r
- return a >> b;\r
-}\r
-\r
-int int_floorlog2(int a) {\r
- int l;\r
- for (l = 0; a > 1; l++) {\r
- a >>= 1;\r
- }\r
- return l;\r
-}\r
-\r
+/*
+ * Copyright (c) 2001-2003, David Janssens
+ * Copyright (c) 2002-2003, Yannick Verschueren
+ * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
+ * Copyright (c) 2005, Hervé Drolon, FreeImage Team
+ * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "opj_includes.h"
+
+int int_min(int a, int b) {
+ return a < b ? a : b;
+}
+
+int int_max(int a, int b) {
+ return (a > b) ? a : b;
+}
+
+int int_clamp(int a, int min, int max) {
+ if (a < min)
+ return min;
+ if (a > max)
+ return max;
+ return a;
+}
+
+int int_abs(int a) {
+ return a < 0 ? -a : a;
+}
+
+int int_ceildiv(int a, int b) {
+ return (a + b - 1) / b;
+}
+
+int int_ceildivpow2(int a, int b) {
+ return (a + (1 << b) - 1) >> b;
+}
+
+int int_floordivpow2(int a, int b) {
+ return a >> b;
+}
+
+int int_floorlog2(int a) {
+ int l;
+ for (l = 0; a > 1; l++) {
+ a >>= 1;
+ }
+ return l;
+}
+
-/*\r
- * Copyright (c) 2001-2003, David Janssens\r
- * Copyright (c) 2002-2003, Yannick Verschueren\r
- * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe\r
- * Copyright (c) 2005, Hervé Drolon, FreeImage Team\r
- * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium\r
- * All rights reserved.\r
- *\r
- * Redistribution and use in source and binary forms, with or without\r
- * modification, are permitted provided that the following conditions\r
- * are met:\r
- * 1. Redistributions of source code must retain the above copyright\r
- * notice, this list of conditions and the following disclaimer.\r
- * 2. Redistributions in binary form must reproduce the above copyright\r
- * notice, this list of conditions and the following disclaimer in the\r
- * documentation and/or other materials provided with the distribution.\r
- *\r
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'\r
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE\r
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\r
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\r
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\r
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\r
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
- * POSSIBILITY OF SUCH DAMAGE.\r
- */\r
-#ifndef __INT_H\r
-#define __INT_H\r
-/**\r
-@file int.h\r
-@brief Implementation of operations on integers (INT)\r
-\r
-The functions in INT.C have for goal to realize operations on integers.\r
-*/\r
-\r
-/** @defgroup INT INT - Implementation of operations on integers */\r
-/*@{*/\r
-\r
-/** @name Exported functions (see also openjpeg.h) */\r
-/*@{*/\r
-/* ----------------------------------------------------------------------- */\r
-/**\r
-Get the minimum of two integers\r
-@return Returns a if a < b else b\r
-*/\r
-int int_min(int a, int b);\r
-/**\r
-Get the maximum of two integers\r
-@return Returns a if a > b else b\r
-*/\r
-int int_max(int a, int b);\r
-/**\r
-Clamp an integer inside an interval\r
-@return\r
-<ul>\r
-<li>Returns a if (min < a < max)\r
-<li>Returns max if (a > max)\r
-<li>Returns min if (a < min) \r
-</ul>\r
-*/\r
-int int_clamp(int a, int min, int max);\r
-/**\r
-@return Get absolute value of integer\r
-*/\r
-int int_abs(int a);\r
-/**\r
-Divide an integer and round upwards\r
-@return Returns a divided by b\r
-*/\r
-int int_ceildiv(int a, int b);\r
-/**\r
-Divide an integer by a power of 2 and round upwards\r
-@return Returns a divided by 2^b\r
-*/\r
-int int_ceildivpow2(int a, int b);\r
-/**\r
-Divide an integer by a power of 2 and round downwards\r
-@return Returns a divided by 2^b\r
-*/\r
-int int_floordivpow2(int a, int b);\r
-/**\r
-Get logarithm of an integer and round downwards\r
-@return Returns log2(a)\r
-*/\r
-int int_floorlog2(int a);\r
-\r
-/* ----------------------------------------------------------------------- */\r
-/*@}*/\r
-\r
-/*@}*/\r
-\r
-#endif\r
+/*
+ * Copyright (c) 2001-2003, David Janssens
+ * Copyright (c) 2002-2003, Yannick Verschueren
+ * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
+ * Copyright (c) 2005, Hervé Drolon, FreeImage Team
+ * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef __INT_H
+#define __INT_H
+/**
+@file int.h
+@brief Implementation of operations on integers (INT)
+
+The functions in INT.C have for goal to realize operations on integers.
+*/
+
+/** @defgroup INT INT - Implementation of operations on integers */
+/*@{*/
+
+/** @name Exported functions (see also openjpeg.h) */
+/*@{*/
+/* ----------------------------------------------------------------------- */
+/**
+Get the minimum of two integers
+@return Returns a if a < b else b
+*/
+int int_min(int a, int b);
+/**
+Get the maximum of two integers
+@return Returns a if a > b else b
+*/
+int int_max(int a, int b);
+/**
+Clamp an integer inside an interval
+@return
+<ul>
+<li>Returns a if (min < a < max)
+<li>Returns max if (a > max)
+<li>Returns min if (a < min)
+</ul>
+*/
+int int_clamp(int a, int min, int max);
+/**
+@return Get absolute value of integer
+*/
+int int_abs(int a);
+/**
+Divide an integer and round upwards
+@return Returns a divided by b
+*/
+int int_ceildiv(int a, int b);
+/**
+Divide an integer by a power of 2 and round upwards
+@return Returns a divided by 2^b
+*/
+int int_ceildivpow2(int a, int b);
+/**
+Divide an integer by a power of 2 and round downwards
+@return Returns a divided by 2^b
+*/
+int int_floordivpow2(int a, int b);
+/**
+Get logarithm of an integer and round downwards
+@return Returns log2(a)
+*/
+int int_floorlog2(int a);
+
+/* ----------------------------------------------------------------------- */
+/*@}*/
+
+/*@}*/
+
+#endif
-/*\r
- * Copyright (c) 2001-2003, David Janssens\r
- * Copyright (c) 2002-2003, Yannick Verschueren\r
- * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe\r
- * Copyright (c) 2005, Hervé Drolon, FreeImage Team\r
- * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium\r
- * All rights reserved.\r
- *\r
- * Redistribution and use in source and binary forms, with or without\r
- * modification, are permitted provided that the following conditions\r
- * are met:\r
- * 1. Redistributions of source code must retain the above copyright\r
- * notice, this list of conditions and the following disclaimer.\r
- * 2. Redistributions in binary form must reproduce the above copyright\r
- * notice, this list of conditions and the following disclaimer in the\r
- * documentation and/or other materials provided with the distribution.\r
- *\r
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'\r
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE\r
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\r
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\r
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\r
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\r
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
- * POSSIBILITY OF SUCH DAMAGE.\r
- */\r
-#ifndef __J2K_H\r
-#define __J2K_H\r
-/**\r
-@file j2k.h\r
-@brief The JPEG-2000 Codestream Reader/Writer (J2K)\r
-\r
-The functions in J2K.C have for goal to read/write the several parts of the codestream: markers and data.\r
-*/\r
-\r
-/** @defgroup J2K J2K - JPEG-2000 codestream reader/writer */\r
-/*@{*/\r
-\r
-#define J2K_CP_CSTY_PRT 0x01\r
-#define J2K_CP_CSTY_SOP 0x02\r
-#define J2K_CP_CSTY_EPH 0x04\r
-#define J2K_CCP_CSTY_PRT 0x01\r
-#define J2K_CCP_CBLKSTY_LAZY 0x01\r
-#define J2K_CCP_CBLKSTY_RESET 0x02\r
-#define J2K_CCP_CBLKSTY_TERMALL 0x04\r
-#define J2K_CCP_CBLKSTY_VSC 0x08\r
-#define J2K_CCP_CBLKSTY_PTERM 0x10\r
-#define J2K_CCP_CBLKSTY_SEGSYM 0x20\r
-#define J2K_CCP_QNTSTY_NOQNT 0\r
-#define J2K_CCP_QNTSTY_SIQNT 1\r
-#define J2K_CCP_QNTSTY_SEQNT 2\r
-\r
-/* ----------------------------------------------------------------------- */\r
-\r
-#define J2K_MS_SOC 0xff4f /**< SOC marker value */\r
-#define J2K_MS_SOT 0xff90 /**< SOT marker value */\r
-#define J2K_MS_SOD 0xff93 /**< SOD marker value */\r
-#define J2K_MS_EOC 0xffd9 /**< EOC marker value */\r
-#define J2K_MS_SIZ 0xff51 /**< SIZ marker value */\r
-#define J2K_MS_COD 0xff52 /**< COD marker value */\r
-#define J2K_MS_COC 0xff53 /**< COC marker value */\r
-#define J2K_MS_RGN 0xff5e /**< RGN marker value */\r
-#define J2K_MS_QCD 0xff5c /**< QCD marker value */\r
-#define J2K_MS_QCC 0xff5d /**< QCC marker value */\r
-#define J2K_MS_POC 0xff5f /**< POC marker value */\r
-#define J2K_MS_TLM 0xff55 /**< TLM marker value */\r
-#define J2K_MS_PLM 0xff57 /**< PLM marker value */\r
-#define J2K_MS_PLT 0xff58 /**< PLT marker value */\r
-#define J2K_MS_PPM 0xff60 /**< PPM marker value */\r
-#define J2K_MS_PPT 0xff61 /**< PPT marker value */\r
-#define J2K_MS_SOP 0xff91 /**< SOP marker value */\r
-#define J2K_MS_EPH 0xff92 /**< EPH marker value */\r
-#define J2K_MS_CRG 0xff63 /**< CRG marker value */\r
-#define J2K_MS_COM 0xff64 /**< COM marker value */\r
-\r
-/* ----------------------------------------------------------------------- */\r
-\r
-/**\r
-Values that specify the status of the decoding process when decoding the main header. \r
-These values may be combined with a | operator. \r
-*/\r
-typedef enum J2K_STATUS {\r
- J2K_STATE_MHSOC = 0x0001, /**< a SOC marker is expected */\r
- J2K_STATE_MHSIZ = 0x0002, /**< a SIZ marker is expected */\r
- J2K_STATE_MH = 0x0004, /**< the decoding process is in the main header */\r
- J2K_STATE_TPHSOT = 0x0008, /**< the decoding process is in a tile part header and expects a SOT marker */\r
- J2K_STATE_TPH = 0x0010, /**< the decoding process is in a tile part header */\r
- J2K_STATE_MT = 0x0020, /**< the EOC marker has just been read */\r
- J2K_STATE_NEOC = 0x0040 /**< the decoding process must not expect a EOC marker because the codestream is truncated */\r
-} J2K_STATUS;\r
-\r
-/* ----------------------------------------------------------------------- */\r
-\r
-/**\r
-Quantization stepsize\r
-*/\r
-typedef struct opj_stepsize {\r
- /** exponent */\r
- int expn;\r
- /** mantissa */\r
- int mant;\r
-} opj_stepsize_t;\r
-\r
-/**\r
-Tile-component coding parameters\r
-*/\r
-typedef struct opj_tccp {\r
- /** coding style */\r
- int csty;\r
- /** number of resolutions */\r
- int numresolutions;\r
- /** code-blocks width */\r
- int cblkw;\r
- /** code-blocks height */\r
- int cblkh;\r
- /** code-block coding style */\r
- int cblksty;\r
- /** discrete wavelet transform identifier */\r
- int qmfbid;\r
- /** quantisation style */\r
- int qntsty;\r
- /** stepsizes used for quantization */\r
- opj_stepsize_t stepsizes[J2K_MAXBANDS];\r
- /** number of guard bits */\r
- int numgbits;\r
- /** Region Of Interest shift */\r
- int roishift;\r
- /** precinct width */\r
- int prcw[J2K_MAXRLVLS];\r
- /** precinct height */\r
- int prch[J2K_MAXRLVLS]; \r
-} opj_tccp_t;\r
-\r
-/**\r
-Tile coding parameters : \r
-this structure is used to store coding/decoding parameters common to all\r
-tiles (information like COD, COC in main header)\r
-*/\r
-typedef struct opj_tcp {\r
- /** 1 : first part-tile of a tile */\r
- int first;\r
- /** coding style */\r
- int csty;\r
- /** progression order */\r
- OPJ_PROG_ORDER prg;\r
- /** number of layers */\r
- int numlayers;\r
- /** multi-component transform identifier */\r
- int mct;\r
- /** rates of layers */\r
- int rates[100];\r
- /** number of progression order changes */\r
- int numpocs;\r
- /** indicates if a POC marker has been used O:NO, 1:YES */\r
- int POC;\r
- /** progression order changes */\r
- opj_poc_t pocs[32];\r
- /** packet header store there for futur use in t2_decode_packet */\r
- unsigned char *ppt_data;\r
- /** pointer remaining on the first byte of the first header if ppt is used */\r
- unsigned char *ppt_data_first;\r
- /** If ppt == 1 --> there was a PPT marker for the present tile */\r
- int ppt;\r
- /** used in case of multiple marker PPT (number of info already stored) */\r
- int ppt_store;\r
- /** ppmbug1 */\r
- int ppt_len;\r
- /** add fixed_quality */\r
- float distoratio[100];\r
- /** tile-component coding parameters */\r
- opj_tccp_t *tccps;\r
-} opj_tcp_t;\r
-\r
-/**\r
-Coding parameters\r
-*/\r
-typedef struct opj_cp {\r
- /** allocation by rate/distortion */\r
- int disto_alloc;\r
- /** allocation by fixed layer */\r
- int fixed_alloc;\r
- /** add fixed_quality */\r
- int fixed_quality;\r
- /** if != 0, then original dimension divided by 2^(reduce); if == 0 or not used, image is decoded to the full resolution */\r
- int reduce;\r
- /** if != 0, then only the first "layer" layers are decoded; if == 0 or not used, all the quality layers are decoded */\r
- int layer;\r
- /** 0 = no index || 1 = index */\r
- int index_on;\r
- /** XTOsiz */\r
- int tx0;\r
- /** YTOsiz */\r
- int ty0;\r
- /** XTsiz */\r
- int tdx;\r
- /** YTsiz */\r
- int tdy;\r
- /** comment for coding */\r
- char *comment;\r
- /** number of tiles in width */\r
- int tw;\r
- /** number of tiles in heigth */\r
- int th;\r
- /** ID number of the tiles present in the codestream */\r
- int *tileno;\r
- /** size of the vector tileno */\r
- int tileno_size;\r
- /** packet header store there for futur use in t2_decode_packet */\r
- unsigned char *ppm_data;\r
- /** pointer remaining on the first byte of the first header if ppm is used */\r
- unsigned char *ppm_data_first;\r
- /** if ppm == 1 --> there was a PPM marker for the present tile */\r
- int ppm;\r
- /** use in case of multiple marker PPM (number of info already store) */\r
- int ppm_store;\r
- /** use in case of multiple marker PPM (case on non-finished previous info) */\r
- int ppm_previous;\r
- /** ppmbug1 */\r
- int ppm_len;\r
- /** tile coding parameters */\r
- opj_tcp_t *tcps;\r
- /** fixed layer */\r
- int *matrice;\r
-} opj_cp_t;\r
-\r
-/**\r
-Information concerning a packet inside tile\r
-*/\r
-typedef struct opj_packet_info {\r
- /** start position */\r
- int start_pos;\r
- /** end position */\r
- int end_pos;\r
- /** ADD for Marcela */\r
- double disto;\r
-} opj_packet_info_t;\r
-\r
-/**\r
-Index structure : information regarding tiles inside image\r
-*/\r
-typedef struct opj_tile_info {\r
- /** value of thresh for each layer by tile cfr. Marcela */\r
- double *thresh;\r
- /** number of tile */\r
- int num_tile;\r
- /** start position */\r
- int start_pos;\r
- /** end position of the header */\r
- int end_header;\r
- /** end position */\r
- int end_pos;\r
- /** precinct number for each resolution level (width) */\r
- int pw[33];\r
- /** precinct number for each resolution level (height) */\r
- int ph[33];\r
- /** precinct size (in power of 2), in X for each resolution level */\r
- int pdx[33];\r
- /** precinct size (in power of 2), in Y for each resolution level */\r
- int pdy[33];\r
- /** information concerning packets inside tile */\r
- opj_packet_info_t *packet;\r
- /** add fixed_quality */\r
- int nbpix;\r
- /** add fixed_quality */\r
- double distotile;\r
-} opj_tile_info_t;\r
-\r
-/**\r
-Index structure\r
-*/\r
-typedef struct opj_image_info {\r
- /** 0 = no index || 1 = index */\r
- int index_on;\r
- /** maximum distortion reduction on the whole image (add for Marcela) */\r
- double D_max;\r
- /** packet number */\r
- int num;\r
- /** writing the packet in the index with t2_encode_packets */\r
- int index_write;\r
- /** image width */\r
- int image_w;\r
- /** image height */\r
- int image_h;\r
- /** progression order */\r
- OPJ_PROG_ORDER prog;\r
- /** tile size in x */\r
- int tile_x;\r
- /** tile size in y */\r
- int tile_y;\r
- /** */\r
- int tile_Ox;\r
- /** */\r
- int tile_Oy;\r
- /** number of tiles in X */\r
- int tw;\r
- /** number of tiles in Y */\r
- int th;\r
- /** component numbers */\r
- int comp;\r
- /** number of layer */\r
- int layer;\r
- /** number of decomposition */\r
- int decomposition;\r
- /** main header position */\r
- int main_head_end;\r
- /** codestream's size */\r
- int codestream_size;\r
- /** information regarding tiles inside image */\r
- opj_tile_info_t *tile;\r
-} opj_image_info_t;\r
-\r
-/**\r
-JPEG-2000 codestream reader/writer\r
-*/\r
-typedef struct opj_j2k {\r
- /** codec context */\r
- opj_common_ptr cinfo;\r
-\r
- /** locate in which part of the codestream the decoder is (main header, tile header, end) */\r
- int state;\r
- /** number of the tile curently concern by coding/decoding */\r
- int curtileno;\r
- /** \r
- locate the position of the end of the tile in the codestream, \r
- used to detect a truncated codestream (in j2k_read_sod)\r
- */\r
- unsigned char *eot;\r
- /**\r
- locate the start position of the SOT marker of the current coded tile: \r
- after encoding the tile, a jump (in j2k_write_sod) is done to the SOT marker to store the value of its length. \r
- */\r
- int sot_start;\r
- int sod_start;\r
- /**\r
- as the J2K-file is written in several parts during encoding, \r
- it enables to make the right correction in position return by cio_tell\r
- */\r
- int pos_correction;\r
- /** array used to store the data of each tile */\r
- unsigned char **tile_data;\r
- /** array used to store the length of each tile */\r
- int *tile_len;\r
- /** \r
- decompression only : \r
- store decoding parameters common to all tiles (information like COD, COC in main header)\r
- */\r
- opj_tcp_t *default_tcp;\r
- /** pointer to the encoded / decoded image */\r
- opj_image_t *image;\r
- /** pointer to the coding parameters */\r
- opj_cp_t *cp;\r
- /** helper used to write the index file */\r
- opj_image_info_t *image_info;\r
- /** pointer to the byte i/o stream */\r
- opj_cio_t *cio;\r
-} opj_j2k_t;\r
-\r
-/** @name Exported functions */\r
-/*@{*/\r
-/* ----------------------------------------------------------------------- */\r
-/**\r
-Creates a J2K decompression structure\r
-@param cinfo Codec context info\r
-@return Returns a handle to a J2K decompressor if successful, returns NULL otherwise\r
-*/\r
-opj_j2k_t* j2k_create_decompress(opj_common_ptr cinfo);\r
-/**\r
-Destroy a J2K decompressor handle\r
-@param j2k J2K decompressor handle to destroy\r
-*/\r
-void j2k_destroy_decompress(opj_j2k_t *j2k);\r
-/**\r
-Setup the decoder decoding parameters using user parameters.\r
-Decoding parameters are returned in j2k->cp. \r
-@param j2k J2K decompressor handle\r
-@param parameters decompression parameters\r
-*/\r
-void j2k_setup_decoder(opj_j2k_t *j2k, opj_dparameters_t *parameters);\r
-/**\r
-Decode an image from a JPEG-2000 codestream\r
-@param j2k J2K decompressor handle\r
-@param cio Input buffer stream\r
-@return Returns a decoded image if successful, returns NULL otherwise\r
-*/\r
-opj_image_t* j2k_decode(opj_j2k_t *j2k, opj_cio_t *cio);\r
-/**\r
-Decode an image form a JPT-stream (JPEG 2000, JPIP)\r
-@param j2k J2K decompressor handle\r
-@param cio Input buffer stream\r
-@return Returns a decoded image if successful, returns NULL otherwise\r
-*/\r
-opj_image_t* j2k_decode_jpt_stream(opj_j2k_t *j2k, opj_cio_t *cio);\r
-/**\r
-Creates a J2K compression structure\r
-@param cinfo Codec context info\r
-@return Returns a handle to a J2K compressor if successful, returns NULL otherwise\r
-*/\r
-opj_j2k_t* j2k_create_compress(opj_common_ptr cinfo);\r
-/**\r
-Destroy a J2K compressor handle\r
-@param j2k J2K compressor handle to destroy\r
-*/\r
-void j2k_destroy_compress(opj_j2k_t *j2k);\r
-/**\r
-Setup the encoder parameters using the current image and using user parameters. \r
-Coding parameters are returned in j2k->cp. \r
-@param j2k J2K compressor handle\r
-@param parameters compression parameters\r
-@param image input filled image\r
-*/\r
-void j2k_setup_encoder(opj_j2k_t *j2k, opj_cparameters_t *parameters, opj_image_t *image);\r
-/**\r
-Encode an image into a JPEG-2000 codestream\r
-@param j2k J2K compressor handle\r
-@param cio Output buffer stream\r
-@param image Image to encode\r
-@param index Name of the index file if required, NULL otherwise\r
-@return Returns true if successful, returns false otherwise\r
-*/\r
-bool j2k_encode(opj_j2k_t *j2k, opj_cio_t *cio, opj_image_t *image, char *index);\r
-/* ----------------------------------------------------------------------- */\r
-/*@}*/\r
-\r
-/*@}*/\r
-\r
-#endif /* __J2K_H */\r
+/*
+ * Copyright (c) 2001-2003, David Janssens
+ * Copyright (c) 2002-2003, Yannick Verschueren
+ * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
+ * Copyright (c) 2005, Hervé Drolon, FreeImage Team
+ * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef __J2K_H
+#define __J2K_H
+/**
+@file j2k.h
+@brief The JPEG-2000 Codestream Reader/Writer (J2K)
+
+The functions in J2K.C have for goal to read/write the several parts of the codestream: markers and data.
+*/
+
+/** @defgroup J2K J2K - JPEG-2000 codestream reader/writer */
+/*@{*/
+
+#define J2K_CP_CSTY_PRT 0x01
+#define J2K_CP_CSTY_SOP 0x02
+#define J2K_CP_CSTY_EPH 0x04
+#define J2K_CCP_CSTY_PRT 0x01
+#define J2K_CCP_CBLKSTY_LAZY 0x01
+#define J2K_CCP_CBLKSTY_RESET 0x02
+#define J2K_CCP_CBLKSTY_TERMALL 0x04
+#define J2K_CCP_CBLKSTY_VSC 0x08
+#define J2K_CCP_CBLKSTY_PTERM 0x10
+#define J2K_CCP_CBLKSTY_SEGSYM 0x20
+#define J2K_CCP_QNTSTY_NOQNT 0
+#define J2K_CCP_QNTSTY_SIQNT 1
+#define J2K_CCP_QNTSTY_SEQNT 2
+
+/* ----------------------------------------------------------------------- */
+
+#define J2K_MS_SOC 0xff4f /**< SOC marker value */
+#define J2K_MS_SOT 0xff90 /**< SOT marker value */
+#define J2K_MS_SOD 0xff93 /**< SOD marker value */
+#define J2K_MS_EOC 0xffd9 /**< EOC marker value */
+#define J2K_MS_SIZ 0xff51 /**< SIZ marker value */
+#define J2K_MS_COD 0xff52 /**< COD marker value */
+#define J2K_MS_COC 0xff53 /**< COC marker value */
+#define J2K_MS_RGN 0xff5e /**< RGN marker value */
+#define J2K_MS_QCD 0xff5c /**< QCD marker value */
+#define J2K_MS_QCC 0xff5d /**< QCC marker value */
+#define J2K_MS_POC 0xff5f /**< POC marker value */
+#define J2K_MS_TLM 0xff55 /**< TLM marker value */
+#define J2K_MS_PLM 0xff57 /**< PLM marker value */
+#define J2K_MS_PLT 0xff58 /**< PLT marker value */
+#define J2K_MS_PPM 0xff60 /**< PPM marker value */
+#define J2K_MS_PPT 0xff61 /**< PPT marker value */
+#define J2K_MS_SOP 0xff91 /**< SOP marker value */
+#define J2K_MS_EPH 0xff92 /**< EPH marker value */
+#define J2K_MS_CRG 0xff63 /**< CRG marker value */
+#define J2K_MS_COM 0xff64 /**< COM marker value */
+
+/* ----------------------------------------------------------------------- */
+
+/**
+Values that specify the status of the decoding process when decoding the main header.
+These values may be combined with a | operator.
+*/
+typedef enum J2K_STATUS {
+ J2K_STATE_MHSOC = 0x0001, /**< a SOC marker is expected */
+ J2K_STATE_MHSIZ = 0x0002, /**< a SIZ marker is expected */
+ J2K_STATE_MH = 0x0004, /**< the decoding process is in the main header */
+ J2K_STATE_TPHSOT = 0x0008, /**< the decoding process is in a tile part header and expects a SOT marker */
+ J2K_STATE_TPH = 0x0010, /**< the decoding process is in a tile part header */
+ J2K_STATE_MT = 0x0020, /**< the EOC marker has just been read */
+ J2K_STATE_NEOC = 0x0040 /**< the decoding process must not expect a EOC marker because the codestream is truncated */
+} J2K_STATUS;
+
+/* ----------------------------------------------------------------------- */
+
+/**
+Quantization stepsize
+*/
+typedef struct opj_stepsize {
+ /** exponent */
+ int expn;
+ /** mantissa */
+ int mant;
+} opj_stepsize_t;
+
+/**
+Tile-component coding parameters
+*/
+typedef struct opj_tccp {
+ /** coding style */
+ int csty;
+ /** number of resolutions */
+ int numresolutions;
+ /** code-blocks width */
+ int cblkw;
+ /** code-blocks height */
+ int cblkh;
+ /** code-block coding style */
+ int cblksty;
+ /** discrete wavelet transform identifier */
+ int qmfbid;
+ /** quantisation style */
+ int qntsty;
+ /** stepsizes used for quantization */
+ opj_stepsize_t stepsizes[J2K_MAXBANDS];
+ /** number of guard bits */
+ int numgbits;
+ /** Region Of Interest shift */
+ int roishift;
+ /** precinct width */
+ int prcw[J2K_MAXRLVLS];
+ /** precinct height */
+ int prch[J2K_MAXRLVLS];
+} opj_tccp_t;
+
+/**
+Tile coding parameters :
+this structure is used to store coding/decoding parameters common to all
+tiles (information like COD, COC in main header)
+*/
+typedef struct opj_tcp {
+ /** 1 : first part-tile of a tile */
+ int first;
+ /** coding style */
+ int csty;
+ /** progression order */
+ OPJ_PROG_ORDER prg;
+ /** number of layers */
+ int numlayers;
+ /** multi-component transform identifier */
+ int mct;
+ /** rates of layers */
+ int rates[100];
+ /** number of progression order changes */
+ int numpocs;
+ /** indicates if a POC marker has been used O:NO, 1:YES */
+ int POC;
+ /** progression order changes */
+ opj_poc_t pocs[32];
+ /** packet header store there for futur use in t2_decode_packet */
+ unsigned char *ppt_data;
+ /** pointer remaining on the first byte of the first header if ppt is used */
+ unsigned char *ppt_data_first;
+ /** If ppt == 1 --> there was a PPT marker for the present tile */
+ int ppt;
+ /** used in case of multiple marker PPT (number of info already stored) */
+ int ppt_store;
+ /** ppmbug1 */
+ int ppt_len;
+ /** add fixed_quality */
+ float distoratio[100];
+ /** tile-component coding parameters */
+ opj_tccp_t *tccps;
+} opj_tcp_t;
+
+/**
+Coding parameters
+*/
+typedef struct opj_cp {
+ /** allocation by rate/distortion */
+ int disto_alloc;
+ /** allocation by fixed layer */
+ int fixed_alloc;
+ /** add fixed_quality */
+ int fixed_quality;
+ /** if != 0, then original dimension divided by 2^(reduce); if == 0 or not used, image is decoded to the full resolution */
+ int reduce;
+ /** if != 0, then only the first "layer" layers are decoded; if == 0 or not used, all the quality layers are decoded */
+ int layer;
+ /** 0 = no index || 1 = index */
+ int index_on;
+ /** XTOsiz */
+ int tx0;
+ /** YTOsiz */
+ int ty0;
+ /** XTsiz */
+ int tdx;
+ /** YTsiz */
+ int tdy;
+ /** comment for coding */
+ char *comment;
+ /** number of tiles in width */
+ int tw;
+ /** number of tiles in heigth */
+ int th;
+ /** ID number of the tiles present in the codestream */
+ int *tileno;
+ /** size of the vector tileno */
+ int tileno_size;
+ /** packet header store there for futur use in t2_decode_packet */
+ unsigned char *ppm_data;
+ /** pointer remaining on the first byte of the first header if ppm is used */
+ unsigned char *ppm_data_first;
+ /** if ppm == 1 --> there was a PPM marker for the present tile */
+ int ppm;
+ /** use in case of multiple marker PPM (number of info already store) */
+ int ppm_store;
+ /** use in case of multiple marker PPM (case on non-finished previous info) */
+ int ppm_previous;
+ /** ppmbug1 */
+ int ppm_len;
+ /** tile coding parameters */
+ opj_tcp_t *tcps;
+ /** fixed layer */
+ int *matrice;
+} opj_cp_t;
+
+/**
+Information concerning a packet inside tile
+*/
+typedef struct opj_packet_info {
+ /** start position */
+ int start_pos;
+ /** end position */
+ int end_pos;
+ /** ADD for Marcela */
+ double disto;
+} opj_packet_info_t;
+
+/**
+Index structure : information regarding tiles inside image
+*/
+typedef struct opj_tile_info {
+ /** value of thresh for each layer by tile cfr. Marcela */
+ double *thresh;
+ /** number of tile */
+ int num_tile;
+ /** start position */
+ int start_pos;
+ /** end position of the header */
+ int end_header;
+ /** end position */
+ int end_pos;
+ /** precinct number for each resolution level (width) */
+ int pw[33];
+ /** precinct number for each resolution level (height) */
+ int ph[33];
+ /** precinct size (in power of 2), in X for each resolution level */
+ int pdx[33];
+ /** precinct size (in power of 2), in Y for each resolution level */
+ int pdy[33];
+ /** information concerning packets inside tile */
+ opj_packet_info_t *packet;
+ /** add fixed_quality */
+ int nbpix;
+ /** add fixed_quality */
+ double distotile;
+} opj_tile_info_t;
+
+/**
+Index structure
+*/
+typedef struct opj_image_info {
+ /** 0 = no index || 1 = index */
+ int index_on;
+ /** maximum distortion reduction on the whole image (add for Marcela) */
+ double D_max;
+ /** packet number */
+ int num;
+ /** writing the packet in the index with t2_encode_packets */
+ int index_write;
+ /** image width */
+ int image_w;
+ /** image height */
+ int image_h;
+ /** progression order */
+ OPJ_PROG_ORDER prog;
+ /** tile size in x */
+ int tile_x;
+ /** tile size in y */
+ int tile_y;
+ /** */
+ int tile_Ox;
+ /** */
+ int tile_Oy;
+ /** number of tiles in X */
+ int tw;
+ /** number of tiles in Y */
+ int th;
+ /** component numbers */
+ int comp;
+ /** number of layer */
+ int layer;
+ /** number of decomposition */
+ int decomposition;
+ /** main header position */
+ int main_head_end;
+ /** codestream's size */
+ int codestream_size;
+ /** information regarding tiles inside image */
+ opj_tile_info_t *tile;
+} opj_image_info_t;
+
+/**
+JPEG-2000 codestream reader/writer
+*/
+typedef struct opj_j2k {
+ /** codec context */
+ opj_common_ptr cinfo;
+
+ /** locate in which part of the codestream the decoder is (main header, tile header, end) */
+ int state;
+ /** number of the tile curently concern by coding/decoding */
+ int curtileno;
+ /**
+ locate the position of the end of the tile in the codestream,
+ used to detect a truncated codestream (in j2k_read_sod)
+ */
+ unsigned char *eot;
+ /**
+ locate the start position of the SOT marker of the current coded tile:
+ after encoding the tile, a jump (in j2k_write_sod) is done to the SOT marker to store the value of its length.
+ */
+ int sot_start;
+ int sod_start;
+ /**
+ as the J2K-file is written in several parts during encoding,
+ it enables to make the right correction in position return by cio_tell
+ */
+ int pos_correction;
+ /** array used to store the data of each tile */
+ unsigned char **tile_data;
+ /** array used to store the length of each tile */
+ int *tile_len;
+ /**
+ decompression only :
+ store decoding parameters common to all tiles (information like COD, COC in main header)
+ */
+ opj_tcp_t *default_tcp;
+ /** pointer to the encoded / decoded image */
+ opj_image_t *image;
+ /** pointer to the coding parameters */
+ opj_cp_t *cp;
+ /** helper used to write the index file */
+ opj_image_info_t *image_info;
+ /** pointer to the byte i/o stream */
+ opj_cio_t *cio;
+} opj_j2k_t;
+
+/** @name Exported functions */
+/*@{*/
+/* ----------------------------------------------------------------------- */
+/**
+Creates a J2K decompression structure
+@param cinfo Codec context info
+@return Returns a handle to a J2K decompressor if successful, returns NULL otherwise
+*/
+opj_j2k_t* j2k_create_decompress(opj_common_ptr cinfo);
+/**
+Destroy a J2K decompressor handle
+@param j2k J2K decompressor handle to destroy
+*/
+void j2k_destroy_decompress(opj_j2k_t *j2k);
+/**
+Setup the decoder decoding parameters using user parameters.
+Decoding parameters are returned in j2k->cp.
+@param j2k J2K decompressor handle
+@param parameters decompression parameters
+*/
+void j2k_setup_decoder(opj_j2k_t *j2k, opj_dparameters_t *parameters);
+/**
+Decode an image from a JPEG-2000 codestream
+@param j2k J2K decompressor handle
+@param cio Input buffer stream
+@return Returns a decoded image if successful, returns NULL otherwise
+*/
+opj_image_t* j2k_decode(opj_j2k_t *j2k, opj_cio_t *cio);
+/**
+Decode an image form a JPT-stream (JPEG 2000, JPIP)
+@param j2k J2K decompressor handle
+@param cio Input buffer stream
+@return Returns a decoded image if successful, returns NULL otherwise
+*/
+opj_image_t* j2k_decode_jpt_stream(opj_j2k_t *j2k, opj_cio_t *cio);
+/**
+Creates a J2K compression structure
+@param cinfo Codec context info
+@return Returns a handle to a J2K compressor if successful, returns NULL otherwise
+*/
+opj_j2k_t* j2k_create_compress(opj_common_ptr cinfo);
+/**
+Destroy a J2K compressor handle
+@param j2k J2K compressor handle to destroy
+*/
+void j2k_destroy_compress(opj_j2k_t *j2k);
+/**
+Setup the encoder parameters using the current image and using user parameters.
+Coding parameters are returned in j2k->cp.
+@param j2k J2K compressor handle
+@param parameters compression parameters
+@param image input filled image
+*/
+void j2k_setup_encoder(opj_j2k_t *j2k, opj_cparameters_t *parameters, opj_image_t *image);
+/**
+Encode an image into a JPEG-2000 codestream
+@param j2k J2K compressor handle
+@param cio Output buffer stream
+@param image Image to encode
+@param index Name of the index file if required, NULL otherwise
+@return Returns true if successful, returns false otherwise
+*/
+bool j2k_encode(opj_j2k_t *j2k, opj_cio_t *cio, opj_image_t *image, char *index);
+/* ----------------------------------------------------------------------- */
+/*@}*/
+
+/*@}*/
+
+#endif /* __J2K_H */
-/*\r
- * Copyright (c) 2004, Yannick Verschueren\r
- * Copyright (c) 2005, Hervé Drolon, FreeImage Team\r
- * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium\r
- * All rights reserved.\r
- *\r
- * Redistribution and use in source and binary forms, with or without\r
- * modification, are permitted provided that the following conditions\r
- * are met:\r
- * 1. Redistributions of source code must retain the above copyright\r
- * notice, this list of conditions and the following disclaimer.\r
- * 2. Redistributions in binary form must reproduce the above copyright\r
- * notice, this list of conditions and the following disclaimer in the\r
- * documentation and/or other materials provided with the distribution.\r
- *\r
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'\r
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE\r
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\r
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\r
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\r
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\r
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
- * POSSIBILITY OF SUCH DAMAGE.\r
- */\r
-#ifndef __JP2_H\r
-#define __JP2_H\r
-/**\r
-@file jp2.h\r
-@brief The JPEG-2000 file format Reader/Writer (JP2)\r
-\r
-*/\r
-\r
-/** @defgroup JP2 JP2 - JPEG-2000 file format reader/writer */\r
-/*@{*/\r
-\r
-#define JPIP_JPIP 0x6a706970\r
-\r
-#define JP2_JP 0x6a502020 /**< JPEG 2000 signature box */\r
-#define JP2_FTYP 0x66747970 /**< File type box */\r
-#define JP2_JP2H 0x6a703268 /**< JP2 header box */\r
-#define JP2_IHDR 0x69686472 /**< Image header box */\r
-#define JP2_COLR 0x636f6c72 /**< Colour specification box */\r
-#define JP2_JP2C 0x6a703263 /**< Contiguous codestream box */\r
-#define JP2_URL 0x75726c20 /**< URL box */\r
-#define JP2_DBTL 0x6474626c /**< ??? */\r
-#define JP2_BPCC 0x62706363 /**< Bits per component box */\r
-#define JP2_JP2 0x6a703220 /**< File type fields */\r
-\r
-/* ----------------------------------------------------------------------- */\r
-\r
-/** \r
-JP2 component\r
-*/\r
-typedef struct opj_jp2_comps {\r
- int depth; \r
- int sgnd; \r
- int bpcc;\r
-} opj_jp2_comps_t;\r
-\r
-/**\r
-JPEG-2000 file format reader/writer\r
-*/\r
-typedef struct opj_jp2 {\r
- /** codec context */\r
- opj_common_ptr cinfo;\r
- /** handle to the J2K codec */\r
- opj_j2k_t *j2k;\r
- unsigned int w;\r
- unsigned int h;\r
- unsigned int numcomps;\r
- unsigned int bpc;\r
- unsigned int C;\r
- unsigned int UnkC;\r
- unsigned int IPR;\r
- unsigned int meth;\r
- unsigned int approx;\r
- unsigned int enumcs;\r
- unsigned int precedence;\r
- unsigned int brand;\r
- unsigned int minversion;\r
- unsigned int numcl;\r
- unsigned int *cl;\r
- opj_jp2_comps_t *comps;\r
- opj_image_t *image;\r
- unsigned int j2k_codestream_offset;\r
- unsigned int j2k_codestream_length;\r
-} opj_jp2_t;\r
-\r
-/**\r
-JP2 Box\r
-*/\r
-typedef struct opj_jp2_box {\r
- int length;\r
- int type;\r
- int init_pos;\r
-} opj_jp2_box_t;\r
-\r
-/** @name Exported functions */\r
-/*@{*/\r
-/* ----------------------------------------------------------------------- */\r
-/**\r
-Creates a JP2 decompression structure\r
-@param cinfo Codec context info\r
-@return Returns a handle to a JP2 decompressor if successful, returns NULL otherwise\r
-*/\r
-opj_jp2_t* jp2_create_decompress(opj_common_ptr cinfo);\r
-/**\r
-Destroy a JP2 decompressor handle\r
-@param jp2 JP2 decompressor handle to destroy\r
-*/\r
-void jp2_destroy_decompress(opj_jp2_t *jp2);\r
-/**\r
-Setup the decoder decoding parameters using user parameters.\r
-Decoding parameters are returned in jp2->j2k->cp. \r
-@param jp2 JP2 decompressor handle\r
-@param parameters decompression parameters\r
-*/\r
-void jp2_setup_decoder(opj_jp2_t *jp2, opj_dparameters_t *parameters);\r
-/**\r
-Decode an image from a JPEG-2000 file stream\r
-@param jp2 JP2 decompressor handle\r
-@param cio Input buffer stream\r
-@return Returns a decoded image if successful, returns NULL otherwise\r
-*/\r
-opj_image_t* jp2_decode(opj_jp2_t *jp2, opj_cio_t *cio);\r
-/**\r
-Creates a JP2 compression structure\r
-@param cinfo Codec context info\r
-@return Returns a handle to a JP2 compressor if successful, returns NULL otherwise\r
-*/\r
-opj_jp2_t* jp2_create_compress(opj_common_ptr cinfo);\r
-/**\r
-Destroy a JP2 compressor handle\r
-@param jp2 JP2 compressor handle to destroy\r
-*/\r
-void jp2_destroy_compress(opj_jp2_t *jp2);\r
-/**\r
-Setup the encoder parameters using the current image and using user parameters. \r
-Coding parameters are returned in jp2->j2k->cp. \r
-@param jp2 JP2 compressor handle\r
-@param parameters compression parameters\r
-@param image input filled image\r
-*/\r
-void jp2_setup_encoder(opj_jp2_t *jp2, opj_cparameters_t *parameters, opj_image_t *image);\r
-/**\r
-Encode an image into a JPEG-2000 file stream\r
-@param jp2 JP2 compressor handle\r
-@param cio Output buffer stream\r
-@param image Image to encode\r
-@param index Name of the index file if required, NULL otherwise\r
-@return Returns true if successful, returns false otherwise\r
-*/\r
-bool jp2_encode(opj_jp2_t *jp2, opj_cio_t *cio, opj_image_t *image, char *index);\r
-/* ----------------------------------------------------------------------- */\r
-/*@}*/\r
-\r
-/*@}*/\r
-\r
-#endif /* __JP2_H */\r
-\r
+/*
+ * Copyright (c) 2004, Yannick Verschueren
+ * Copyright (c) 2005, Hervé Drolon, FreeImage Team
+ * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef __JP2_H
+#define __JP2_H
+/**
+@file jp2.h
+@brief The JPEG-2000 file format Reader/Writer (JP2)
+
+*/
+
+/** @defgroup JP2 JP2 - JPEG-2000 file format reader/writer */
+/*@{*/
+
+#define JPIP_JPIP 0x6a706970
+
+#define JP2_JP 0x6a502020 /**< JPEG 2000 signature box */
+#define JP2_FTYP 0x66747970 /**< File type box */
+#define JP2_JP2H 0x6a703268 /**< JP2 header box */
+#define JP2_IHDR 0x69686472 /**< Image header box */
+#define JP2_COLR 0x636f6c72 /**< Colour specification box */
+#define JP2_JP2C 0x6a703263 /**< Contiguous codestream box */
+#define JP2_URL 0x75726c20 /**< URL box */
+#define JP2_DBTL 0x6474626c /**< ??? */
+#define JP2_BPCC 0x62706363 /**< Bits per component box */
+#define JP2_JP2 0x6a703220 /**< File type fields */
+
+/* ----------------------------------------------------------------------- */
+
+/**
+JP2 component
+*/
+typedef struct opj_jp2_comps {
+ int depth;
+ int sgnd;
+ int bpcc;
+} opj_jp2_comps_t;
+
+/**
+JPEG-2000 file format reader/writer
+*/
+typedef struct opj_jp2 {
+ /** codec context */
+ opj_common_ptr cinfo;
+ /** handle to the J2K codec */
+ opj_j2k_t *j2k;
+ unsigned int w;
+ unsigned int h;
+ unsigned int numcomps;
+ unsigned int bpc;
+ unsigned int C;
+ unsigned int UnkC;
+ unsigned int IPR;
+ unsigned int meth;
+ unsigned int approx;
+ unsigned int enumcs;
+ unsigned int precedence;
+ unsigned int brand;
+ unsigned int minversion;
+ unsigned int numcl;
+ unsigned int *cl;
+ opj_jp2_comps_t *comps;
+ opj_image_t *image;
+ unsigned int j2k_codestream_offset;
+ unsigned int j2k_codestream_length;
+} opj_jp2_t;
+
+/**
+JP2 Box
+*/
+typedef struct opj_jp2_box {
+ int length;
+ int type;
+ int init_pos;
+} opj_jp2_box_t;
+
+/** @name Exported functions */
+/*@{*/
+/* ----------------------------------------------------------------------- */
+/**
+Creates a JP2 decompression structure
+@param cinfo Codec context info
+@return Returns a handle to a JP2 decompressor if successful, returns NULL otherwise
+*/
+opj_jp2_t* jp2_create_decompress(opj_common_ptr cinfo);
+/**
+Destroy a JP2 decompressor handle
+@param jp2 JP2 decompressor handle to destroy
+*/
+void jp2_destroy_decompress(opj_jp2_t *jp2);
+/**
+Setup the decoder decoding parameters using user parameters.
+Decoding parameters are returned in jp2->j2k->cp.
+@param jp2 JP2 decompressor handle
+@param parameters decompression parameters
+*/
+void jp2_setup_decoder(opj_jp2_t *jp2, opj_dparameters_t *parameters);
+/**
+Decode an image from a JPEG-2000 file stream
+@param jp2 JP2 decompressor handle
+@param cio Input buffer stream
+@return Returns a decoded image if successful, returns NULL otherwise
+*/
+opj_image_t* jp2_decode(opj_jp2_t *jp2, opj_cio_t *cio);
+/**
+Creates a JP2 compression structure
+@param cinfo Codec context info
+@return Returns a handle to a JP2 compressor if successful, returns NULL otherwise
+*/
+opj_jp2_t* jp2_create_compress(opj_common_ptr cinfo);
+/**
+Destroy a JP2 compressor handle
+@param jp2 JP2 compressor handle to destroy
+*/
+void jp2_destroy_compress(opj_jp2_t *jp2);
+/**
+Setup the encoder parameters using the current image and using user parameters.
+Coding parameters are returned in jp2->j2k->cp.
+@param jp2 JP2 compressor handle
+@param parameters compression parameters
+@param image input filled image
+*/
+void jp2_setup_encoder(opj_jp2_t *jp2, opj_cparameters_t *parameters, opj_image_t *image);
+/**
+Encode an image into a JPEG-2000 file stream
+@param jp2 JP2 compressor handle
+@param cio Output buffer stream
+@param image Image to encode
+@param index Name of the index file if required, NULL otherwise
+@return Returns true if successful, returns false otherwise
+*/
+bool jp2_encode(opj_jp2_t *jp2, opj_cio_t *cio, opj_image_t *image, char *index);
+/* ----------------------------------------------------------------------- */
+/*@}*/
+
+/*@}*/
+
+#endif /* __JP2_H */
+
-/*\r
- * Copyright (c) 2004, Yannick Verschueren\r
- * Copyright (c) 2005, Hervé Drolon, FreeImage Team\r
- * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium\r
- * All rights reserved.\r
- *\r
- * Redistribution and use in source and binary forms, with or without\r
- * modification, are permitted provided that the following conditions\r
- * are met:\r
- * 1. Redistributions of source code must retain the above copyright\r
- * notice, this list of conditions and the following disclaimer.\r
- * 2. Redistributions in binary form must reproduce the above copyright\r
- * notice, this list of conditions and the following disclaimer in the\r
- * documentation and/or other materials provided with the distribution.\r
- *\r
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'\r
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE\r
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\r
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\r
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\r
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\r
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
- * POSSIBILITY OF SUCH DAMAGE.\r
- */\r
-\r
-#include "opj_includes.h"\r
-\r
-/*\r
- * Read the information contains in VBAS [JPP/JPT stream message header]\r
- * Store information (7 bits) in value\r
- *\r
- */\r
-unsigned int jpt_read_VBAS_info(opj_cio_t *cio, unsigned int value) {\r
- unsigned char elmt;\r
-\r
- elmt = cio_read(cio, 1);\r
- while ((elmt >> 7) == 1) {\r
- value = (value << 7);\r
- value |= (elmt & 0x7f);\r
- elmt = cio_read(cio, 1);\r
- }\r
- value = (value << 7);\r
- value |= (elmt & 0x7f);\r
-\r
- return value;\r
-}\r
-\r
-/*\r
- * Initialize the value of the message header structure \r
- *\r
- */\r
-void jpt_init_msg_header(opj_jpt_msg_header_t * header) {\r
- header->Id = 0; /* In-class Identifier */\r
- header->last_byte = 0; /* Last byte information */\r
- header->Class_Id = 0; /* Class Identifier */\r
- header->CSn_Id = 0; /* CSn : index identifier */\r
- header->Msg_offset = 0; /* Message offset */\r
- header->Msg_length = 0; /* Message length */\r
- header->Layer_nb = 0; /* Auxiliary for JPP case */\r
-}\r
-\r
-/*\r
- * Re-initialize the value of the message header structure\r
- *\r
- * Only parameters always present in message header\r
- *\r
- */\r
-void jpt_reinit_msg_header(opj_jpt_msg_header_t * header) {\r
- header->Id = 0; /* In-class Identifier */\r
- header->last_byte = 0; /* Last byte information */\r
- header->Msg_offset = 0; /* Message offset */\r
- header->Msg_length = 0; /* Message length */\r
-}\r
-\r
-/*\r
- * Read the message header for a JPP/JPT - stream\r
- *\r
- */\r
-void jpt_read_msg_header(opj_common_ptr cinfo, opj_cio_t *cio, opj_jpt_msg_header_t *header) {\r
- unsigned char elmt, Class = 0, CSn = 0;\r
- jpt_reinit_msg_header(header);\r
-\r
- /* ------------- */\r
- /* VBAS : Bin-ID */\r
- /* ------------- */\r
- elmt = cio_read(cio, 1);\r
-\r
- /* See for Class and CSn */\r
- switch ((elmt >> 5) & 0x03) {\r
- case 0:\r
- opj_event_msg(cinfo, EVT_ERROR, "Forbidden value encounter in message header !!\n");\r
- break;\r
- case 1:\r
- Class = 0;\r
- CSn = 0;\r
- break;\r
- case 2:\r
- Class = 1;\r
- CSn = 0;\r
- break;\r
- case 3:\r
- Class = 1;\r
- CSn = 1;\r
- break;\r
- default:\r
- break;\r
- }\r
-\r
- /* see information on bits 'c' [p 10 : A.2.1 general, ISO/IEC FCD 15444-9] */\r
- if (((elmt >> 4) & 0x01) == 1)\r
- header->last_byte = 1;\r
-\r
- /* In-class identifier */\r
- header->Id |= (elmt & 0x0f);\r
- if ((elmt >> 7) == 1)\r
- header->Id = jpt_read_VBAS_info(cio, header->Id);\r
-\r
- /* ------------ */\r
- /* VBAS : Class */\r
- /* ------------ */\r
- if (Class == 1) {\r
- header->Class_Id = 0;\r
- header->Class_Id = jpt_read_VBAS_info(cio, header->Class_Id);\r
- }\r
-\r
- /* ---------- */\r
- /* VBAS : CSn */\r
- /* ---------- */\r
- if (CSn == 1) {\r
- header->CSn_Id = 0;\r
- header->CSn_Id = jpt_read_VBAS_info(cio, header->CSn_Id);\r
- }\r
-\r
- /* ----------------- */\r
- /* VBAS : Msg_offset */\r
- /* ----------------- */\r
- header->Msg_offset = jpt_read_VBAS_info(cio, header->Msg_offset);\r
-\r
- /* ----------------- */\r
- /* VBAS : Msg_length */\r
- /* ----------------- */\r
- header->Msg_length = jpt_read_VBAS_info(cio, header->Msg_length);\r
-\r
- /* ---------- */\r
- /* VBAS : Aux */\r
- /* ---------- */\r
- if ((header->Class_Id & 0x01) == 1) {\r
- header->Layer_nb = 0;\r
- header->Layer_nb = jpt_read_VBAS_info(cio, header->Layer_nb);\r
- }\r
-}\r
+/*
+ * Copyright (c) 2004, Yannick Verschueren
+ * Copyright (c) 2005, Hervé Drolon, FreeImage Team
+ * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "opj_includes.h"
+
+/*
+ * Read the information contains in VBAS [JPP/JPT stream message header]
+ * Store information (7 bits) in value
+ *
+ */
+unsigned int jpt_read_VBAS_info(opj_cio_t *cio, unsigned int value) {
+ unsigned char elmt;
+
+ elmt = cio_read(cio, 1);
+ while ((elmt >> 7) == 1) {
+ value = (value << 7);
+ value |= (elmt & 0x7f);
+ elmt = cio_read(cio, 1);
+ }
+ value = (value << 7);
+ value |= (elmt & 0x7f);
+
+ return value;
+}
+
+/*
+ * Initialize the value of the message header structure
+ *
+ */
+void jpt_init_msg_header(opj_jpt_msg_header_t * header) {
+ header->Id = 0; /* In-class Identifier */
+ header->last_byte = 0; /* Last byte information */
+ header->Class_Id = 0; /* Class Identifier */
+ header->CSn_Id = 0; /* CSn : index identifier */
+ header->Msg_offset = 0; /* Message offset */
+ header->Msg_length = 0; /* Message length */
+ header->Layer_nb = 0; /* Auxiliary for JPP case */
+}
+
+/*
+ * Re-initialize the value of the message header structure
+ *
+ * Only parameters always present in message header
+ *
+ */
+void jpt_reinit_msg_header(opj_jpt_msg_header_t * header) {
+ header->Id = 0; /* In-class Identifier */
+ header->last_byte = 0; /* Last byte information */
+ header->Msg_offset = 0; /* Message offset */
+ header->Msg_length = 0; /* Message length */
+}
+
+/*
+ * Read the message header for a JPP/JPT - stream
+ *
+ */
+void jpt_read_msg_header(opj_common_ptr cinfo, opj_cio_t *cio, opj_jpt_msg_header_t *header) {
+ unsigned char elmt, Class = 0, CSn = 0;
+ jpt_reinit_msg_header(header);
+
+ /* ------------- */
+ /* VBAS : Bin-ID */
+ /* ------------- */
+ elmt = cio_read(cio, 1);
+
+ /* See for Class and CSn */
+ switch ((elmt >> 5) & 0x03) {
+ case 0:
+ opj_event_msg(cinfo, EVT_ERROR, "Forbidden value encounter in message header !!\n");
+ break;
+ case 1:
+ Class = 0;
+ CSn = 0;
+ break;
+ case 2:
+ Class = 1;
+ CSn = 0;
+ break;
+ case 3:
+ Class = 1;
+ CSn = 1;
+ break;
+ default:
+ break;
+ }
+
+ /* see information on bits 'c' [p 10 : A.2.1 general, ISO/IEC FCD 15444-9] */
+ if (((elmt >> 4) & 0x01) == 1)
+ header->last_byte = 1;
+
+ /* In-class identifier */
+ header->Id |= (elmt & 0x0f);
+ if ((elmt >> 7) == 1)
+ header->Id = jpt_read_VBAS_info(cio, header->Id);
+
+ /* ------------ */
+ /* VBAS : Class */
+ /* ------------ */
+ if (Class == 1) {
+ header->Class_Id = 0;
+ header->Class_Id = jpt_read_VBAS_info(cio, header->Class_Id);
+ }
+
+ /* ---------- */
+ /* VBAS : CSn */
+ /* ---------- */
+ if (CSn == 1) {
+ header->CSn_Id = 0;
+ header->CSn_Id = jpt_read_VBAS_info(cio, header->CSn_Id);
+ }
+
+ /* ----------------- */
+ /* VBAS : Msg_offset */
+ /* ----------------- */
+ header->Msg_offset = jpt_read_VBAS_info(cio, header->Msg_offset);
+
+ /* ----------------- */
+ /* VBAS : Msg_length */
+ /* ----------------- */
+ header->Msg_length = jpt_read_VBAS_info(cio, header->Msg_length);
+
+ /* ---------- */
+ /* VBAS : Aux */
+ /* ---------- */
+ if ((header->Class_Id & 0x01) == 1) {
+ header->Layer_nb = 0;
+ header->Layer_nb = jpt_read_VBAS_info(cio, header->Layer_nb);
+ }
+}
-/*\r
- * Copyright (c) 2004, Yannick Verschueren\r
- * Copyright (c) 2005, Hervé Drolon, FreeImage Team\r
- * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium\r
- * All rights reserved.\r
- *\r
- * Redistribution and use in source and binary forms, with or without\r
- * modification, are permitted provided that the following conditions\r
- * are met:\r
- * 1. Redistributions of source code must retain the above copyright\r
- * notice, this list of conditions and the following disclaimer.\r
- * 2. Redistributions in binary form must reproduce the above copyright\r
- * notice, this list of conditions and the following disclaimer in the\r
- * documentation and/or other materials provided with the distribution.\r
- *\r
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'\r
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE\r
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\r
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\r
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\r
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\r
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
- * POSSIBILITY OF SUCH DAMAGE.\r
- */\r
-\r
-#ifndef __JPT_H\r
-#define __JPT_H\r
-/**\r
-@file jpt.h\r
-@brief JPT-stream reader (JPEG 2000, JPIP)\r
-\r
-JPT-stream functions are implemented in J2K.C. \r
-*/\r
-\r
-/**\r
-Message Header JPT stream structure\r
-*/\r
-typedef struct opj_jpt_msg_header {\r
- /** In-class Identifier */\r
- unsigned int Id;\r
- /** Last byte information */\r
- unsigned int last_byte; \r
- /** Class Identifier */\r
- unsigned int Class_Id; \r
- /** CSn : index identifier */\r
- unsigned int CSn_Id;\r
- /** Message offset */\r
- unsigned int Msg_offset;\r
- /** Message length */\r
- unsigned int Msg_length;\r
- /** Auxiliary for JPP case */\r
- unsigned int Layer_nb;\r
-} opj_jpt_msg_header_t;\r
-\r
-/* ----------------------------------------------------------------------- */\r
-\r
-/**\r
-Initialize the value of the message header structure \r
-@param header Message header structure\r
-*/\r
-void jpt_init_msg_header(opj_jpt_msg_header_t * header);\r
-\r
-/**\r
-Read the message header for a JPP/JPT - stream\r
-@param cinfo Codec context info\r
-@param cio CIO handle\r
-@param header Message header structure\r
-*/\r
-void jpt_read_msg_header(opj_common_ptr cinfo, opj_cio_t *cio, opj_jpt_msg_header_t *header);\r
-\r
-#endif\r
+/*
+ * Copyright (c) 2004, Yannick Verschueren
+ * Copyright (c) 2005, Hervé Drolon, FreeImage Team
+ * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __JPT_H
+#define __JPT_H
+/**
+@file jpt.h
+@brief JPT-stream reader (JPEG 2000, JPIP)
+
+JPT-stream functions are implemented in J2K.C.
+*/
+
+/**
+Message Header JPT stream structure
+*/
+typedef struct opj_jpt_msg_header {
+ /** In-class Identifier */
+ unsigned int Id;
+ /** Last byte information */
+ unsigned int last_byte;
+ /** Class Identifier */
+ unsigned int Class_Id;
+ /** CSn : index identifier */
+ unsigned int CSn_Id;
+ /** Message offset */
+ unsigned int Msg_offset;
+ /** Message length */
+ unsigned int Msg_length;
+ /** Auxiliary for JPP case */
+ unsigned int Layer_nb;
+} opj_jpt_msg_header_t;
+
+/* ----------------------------------------------------------------------- */
+
+/**
+Initialize the value of the message header structure
+@param header Message header structure
+*/
+void jpt_init_msg_header(opj_jpt_msg_header_t * header);
+
+/**
+Read the message header for a JPP/JPT - stream
+@param cinfo Codec context info
+@param cio CIO handle
+@param header Message header structure
+*/
+void jpt_read_msg_header(opj_common_ptr cinfo, opj_cio_t *cio, opj_jpt_msg_header_t *header);
+
+#endif
-/*\r
- * Copyright (c) 2001-2003, David Janssens\r
- * Copyright (c) 2002-2003, Yannick Verschueren\r
- * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe\r
- * Copyright (c) 2005, Hervé Drolon, FreeImage Team\r
- * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium\r
- * All rights reserved.\r
- *\r
- * Redistribution and use in source and binary forms, with or without\r
- * modification, are permitted provided that the following conditions\r
- * are met:\r
- * 1. Redistributions of source code must retain the above copyright\r
- * notice, this list of conditions and the following disclaimer.\r
- * 2. Redistributions in binary form must reproduce the above copyright\r
- * notice, this list of conditions and the following disclaimer in the\r
- * documentation and/or other materials provided with the distribution.\r
- *\r
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'\r
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE\r
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\r
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\r
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\r
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\r
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
- * POSSIBILITY OF SUCH DAMAGE.\r
- */\r
-\r
-#include "opj_includes.h"\r
-\r
-/* <summary> */\r
-/* This table contains the norms of the basis function of the reversible MCT. */\r
-/* </summary> */\r
-static const double mct_norms[3] = { 1.732, .8292, .8292 };\r
-\r
-/* <summary> */\r
-/* This table contains the norms of the basis function of the irreversible MCT. */\r
-/* </summary> */\r
-static const double mct_norms_real[3] = { 1.732, 1.805, 1.573 };\r
-\r
-/* <summary> */\r
-/* Foward reversible MCT. */\r
-/* </summary> */\r
-void mct_encode(int *c0, int *c1, int *c2, int n) {\r
- int i;\r
- for (i = 0; i < n; i++) {\r
- int r, g, b, y, u, v;\r
- r = c0[i];\r
- g = c1[i];\r
- b = c2[i];\r
- y = (r + (g << 1) + b) >> 2;\r
- u = b - g;\r
- v = r - g;\r
- c0[i] = y;\r
- c1[i] = u;\r
- c2[i] = v;\r
- }\r
-}\r
-\r
-/* <summary> */\r
-/* Inverse reversible MCT. */\r
-/* </summary> */\r
-void mct_decode(int *c0, int *c1, int *c2, int n) {\r
- int i;\r
- for (i = 0; i < n; i++) {\r
- int y, u, v, r, g, b;\r
- y = c0[i];\r
- u = c1[i];\r
- v = c2[i];\r
- g = y - ((u + v) >> 2);\r
- r = v + g;\r
- b = u + g;\r
- c0[i] = r;\r
- c1[i] = g;\r
- c2[i] = b;\r
- }\r
-}\r
-\r
-/* <summary> */\r
-/* Get norm of basis function of reversible MCT. */\r
-/* </summary> */\r
-double mct_getnorm(int compno) {\r
- return mct_norms[compno];\r
-}\r
-\r
-/* <summary> */\r
-/* Foward irreversible MCT. */\r
-/* </summary> */\r
-void mct_encode_real(int *c0, int *c1, int *c2, int n) {\r
- int i;\r
- for (i = 0; i < n; i++) {\r
- int r, g, b, y, u, v;\r
- r = c0[i];\r
- g = c1[i];\r
- b = c2[i];\r
- y = fix_mul(r, 2449) + fix_mul(g, 4809) + fix_mul(b, 934);\r
- u = -fix_mul(r, 1382) - fix_mul(g, 2714) + fix_mul(b, 4096);\r
- v = fix_mul(r, 4096) - fix_mul(g, 3430) - fix_mul(b, 666);\r
- c0[i] = y;\r
- c1[i] = u;\r
- c2[i] = v;\r
- }\r
-}\r
-\r
-/* <summary> */\r
-/* Inverse irreversible MCT. */\r
-/* </summary> */\r
-void mct_decode_real(int *c0, int *c1, int *c2, int n) {\r
- int i;\r
- for (i = 0; i < n; i++) {\r
- int y, u, v, r, g, b;\r
- y = c0[i];\r
- u = c1[i];\r
- v = c2[i];\r
- r = y + fix_mul(v, 11485);\r
- g = y - fix_mul(u, 2819) - fix_mul(v, 5850);\r
- b = y + fix_mul(u, 14516);\r
- c0[i] = r;\r
- c1[i] = g;\r
- c2[i] = b;\r
- }\r
-}\r
-\r
-/* <summary> */\r
-/* Get norm of basis function of irreversible MCT. */\r
-/* </summary> */\r
-double mct_getnorm_real(int compno) {\r
- return mct_norms_real[compno];\r
-}\r
+/*
+ * Copyright (c) 2001-2003, David Janssens
+ * Copyright (c) 2002-2003, Yannick Verschueren
+ * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
+ * Copyright (c) 2005, Hervé Drolon, FreeImage Team
+ * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "opj_includes.h"
+
+/* <summary> */
+/* This table contains the norms of the basis function of the reversible MCT. */
+/* </summary> */
+static const double mct_norms[3] = { 1.732, .8292, .8292 };
+
+/* <summary> */
+/* This table contains the norms of the basis function of the irreversible MCT. */
+/* </summary> */
+static const double mct_norms_real[3] = { 1.732, 1.805, 1.573 };
+
+/* <summary> */
+/* Foward reversible MCT. */
+/* </summary> */
+void mct_encode(int *c0, int *c1, int *c2, int n) {
+ int i;
+ for (i = 0; i < n; i++) {
+ int r, g, b, y, u, v;
+ r = c0[i];
+ g = c1[i];
+ b = c2[i];
+ y = (r + (g << 1) + b) >> 2;
+ u = b - g;
+ v = r - g;
+ c0[i] = y;
+ c1[i] = u;
+ c2[i] = v;
+ }
+}
+
+/* <summary> */
+/* Inverse reversible MCT. */
+/* </summary> */
+void mct_decode(int *c0, int *c1, int *c2, int n) {
+ int i;
+ for (i = 0; i < n; i++) {
+ int y, u, v, r, g, b;
+ y = c0[i];
+ u = c1[i];
+ v = c2[i];
+ g = y - ((u + v) >> 2);
+ r = v + g;
+ b = u + g;
+ c0[i] = r;
+ c1[i] = g;
+ c2[i] = b;
+ }
+}
+
+/* <summary> */
+/* Get norm of basis function of reversible MCT. */
+/* </summary> */
+double mct_getnorm(int compno) {
+ return mct_norms[compno];
+}
+
+/* <summary> */
+/* Foward irreversible MCT. */
+/* </summary> */
+void mct_encode_real(int *c0, int *c1, int *c2, int n) {
+ int i;
+ for (i = 0; i < n; i++) {
+ int r, g, b, y, u, v;
+ r = c0[i];
+ g = c1[i];
+ b = c2[i];
+ y = fix_mul(r, 2449) + fix_mul(g, 4809) + fix_mul(b, 934);
+ u = -fix_mul(r, 1382) - fix_mul(g, 2714) + fix_mul(b, 4096);
+ v = fix_mul(r, 4096) - fix_mul(g, 3430) - fix_mul(b, 666);
+ c0[i] = y;
+ c1[i] = u;
+ c2[i] = v;
+ }
+}
+
+/* <summary> */
+/* Inverse irreversible MCT. */
+/* </summary> */
+void mct_decode_real(int *c0, int *c1, int *c2, int n) {
+ int i;
+ for (i = 0; i < n; i++) {
+ int y, u, v, r, g, b;
+ y = c0[i];
+ u = c1[i];
+ v = c2[i];
+ r = y + fix_mul(v, 11485);
+ g = y - fix_mul(u, 2819) - fix_mul(v, 5850);
+ b = y + fix_mul(u, 14516);
+ c0[i] = r;
+ c1[i] = g;
+ c2[i] = b;
+ }
+}
+
+/* <summary> */
+/* Get norm of basis function of irreversible MCT. */
+/* </summary> */
+double mct_getnorm_real(int compno) {
+ return mct_norms_real[compno];
+}
-/*\r
- * Copyright (c) 2001-2003, David Janssens\r
- * Copyright (c) 2002-2003, Yannick Verschueren\r
- * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe\r
- * Copyright (c) 2005, Hervé Drolon, FreeImage Team\r
- * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium\r
- * All rights reserved.\r
- *\r
- * Redistribution and use in source and binary forms, with or without\r
- * modification, are permitted provided that the following conditions\r
- * are met:\r
- * 1. Redistributions of source code must retain the above copyright\r
- * notice, this list of conditions and the following disclaimer.\r
- * 2. Redistributions in binary form must reproduce the above copyright\r
- * notice, this list of conditions and the following disclaimer in the\r
- * documentation and/or other materials provided with the distribution.\r
- *\r
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'\r
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE\r
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\r
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\r
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\r
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\r
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
- * POSSIBILITY OF SUCH DAMAGE.\r
- */\r
-\r
-#ifndef __MCT_H\r
-#define __MCT_H\r
-/**\r
-@file mct.h\r
-@brief Implementation of a multi-component transforms (MCT)\r
-\r
-The functions in MCT.C have for goal to realize reversible and irreversible multicomponent\r
-transform. The functions in MCT.C are used by some function in TCD.C.\r
-*/\r
-\r
-/** @defgroup MCT MCT - Implementation of a multi-component transform */\r
-/*@{*/\r
-\r
-/** @name Exported functions */\r
-/*@{*/\r
-/* ----------------------------------------------------------------------- */\r
-/**\r
-Apply a reversible multi-component transform to an image\r
-@param c0 Samples for red component\r
-@param c1 Samples for green component\r
-@param c2 Samples blue component\r
-@param n Number of samples for each component\r
-*/\r
-void mct_encode(int *c0, int *c1, int *c2, int n);\r
-/**\r
-Apply a reversible multi-component inverse transform to an image\r
-@param c0 Samples for luminance component\r
-@param c1 Samples for red chrominance component\r
-@param c2 Samples for blue chrominance component\r
-@param n Number of samples for each component\r
-*/\r
-void mct_decode(int *c0, int *c1, int *c2, int n);\r
-/**\r
-Get norm of the basis function used for the reversible multi-component transform\r
-@param compno Number of the component (0->Y, 1->U, 2->V)\r
-@return \r
-*/\r
-double mct_getnorm(int compno);\r
-\r
-/**\r
-Apply an irreversible multi-component transform to an image\r
-@param c0 Samples for red component\r
-@param c1 Samples for green component\r
-@param c2 Samples blue component\r
-@param n Number of samples for each component\r
-*/\r
-void mct_encode_real(int *c0, int *c1, int *c2, int n);\r
-/**\r
-Apply an irreversible multi-component inverse transform to an image\r
-@param c0 Samples for luminance component\r
-@param c1 Samples for red chrominance component\r
-@param c2 Samples for blue chrominance component\r
-@param n Number of samples for each component\r
-*/\r
-void mct_decode_real(int *c0, int *c1, int *c2, int n);\r
-/**\r
-Get norm of the basis function used for the irreversible multi-component transform\r
-@param compno Number of the component (0->Y, 1->U, 2->V)\r
-@return \r
-*/\r
-double mct_getnorm_real(int compno);\r
-/* ----------------------------------------------------------------------- */\r
-/*@}*/\r
-\r
-/*@}*/\r
-\r
-#endif /* __MCT_H */\r
+/*
+ * Copyright (c) 2001-2003, David Janssens
+ * Copyright (c) 2002-2003, Yannick Verschueren
+ * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
+ * Copyright (c) 2005, Hervé Drolon, FreeImage Team
+ * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __MCT_H
+#define __MCT_H
+/**
+@file mct.h
+@brief Implementation of a multi-component transforms (MCT)
+
+The functions in MCT.C have for goal to realize reversible and irreversible multicomponent
+transform. The functions in MCT.C are used by some function in TCD.C.
+*/
+
+/** @defgroup MCT MCT - Implementation of a multi-component transform */
+/*@{*/
+
+/** @name Exported functions */
+/*@{*/
+/* ----------------------------------------------------------------------- */
+/**
+Apply a reversible multi-component transform to an image
+@param c0 Samples for red component
+@param c1 Samples for green component
+@param c2 Samples blue component
+@param n Number of samples for each component
+*/
+void mct_encode(int *c0, int *c1, int *c2, int n);
+/**
+Apply a reversible multi-component inverse transform to an image
+@param c0 Samples for luminance component
+@param c1 Samples for red chrominance component
+@param c2 Samples for blue chrominance component
+@param n Number of samples for each component
+*/
+void mct_decode(int *c0, int *c1, int *c2, int n);
+/**
+Get norm of the basis function used for the reversible multi-component transform
+@param compno Number of the component (0->Y, 1->U, 2->V)
+@return
+*/
+double mct_getnorm(int compno);
+
+/**
+Apply an irreversible multi-component transform to an image
+@param c0 Samples for red component
+@param c1 Samples for green component
+@param c2 Samples blue component
+@param n Number of samples for each component
+*/
+void mct_encode_real(int *c0, int *c1, int *c2, int n);
+/**
+Apply an irreversible multi-component inverse transform to an image
+@param c0 Samples for luminance component
+@param c1 Samples for red chrominance component
+@param c2 Samples for blue chrominance component
+@param n Number of samples for each component
+*/
+void mct_decode_real(int *c0, int *c1, int *c2, int n);
+/**
+Get norm of the basis function used for the irreversible multi-component transform
+@param compno Number of the component (0->Y, 1->U, 2->V)
+@return
+*/
+double mct_getnorm_real(int compno);
+/* ----------------------------------------------------------------------- */
+/*@}*/
+
+/*@}*/
+
+#endif /* __MCT_H */
-/*\r
- * Copyright (c) 2001-2003, David Janssens\r
- * Copyright (c) 2002-2003, Yannick Verschueren\r
- * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe\r
- * Copyright (c) 2005, Hervé Drolon, FreeImage Team\r
- * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium\r
- * All rights reserved.\r
- *\r
- * Redistribution and use in source and binary forms, with or without\r
- * modification, are permitted provided that the following conditions\r
- * are met:\r
- * 1. Redistributions of source code must retain the above copyright\r
- * notice, this list of conditions and the following disclaimer.\r
- * 2. Redistributions in binary form must reproduce the above copyright\r
- * notice, this list of conditions and the following disclaimer in the\r
- * documentation and/or other materials provided with the distribution.\r
- *\r
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'\r
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE\r
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\r
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\r
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\r
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\r
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
- * POSSIBILITY OF SUCH DAMAGE.\r
- */\r
-\r
-#include "opj_includes.h"\r
-\r
-/** @defgroup MQC MQC - Implementation of an MQ-Coder */\r
-/*@{*/\r
-\r
-/** @name Local static functions */\r
-/*@{*/\r
-\r
-/**\r
-Output a byte, doing bit-stuffing if necessary.\r
-After a 0xff byte, the next byte must be smaller than 0x90.\r
-@param mqc MQC handle\r
-*/\r
-static void mqc_byteout(opj_mqc_t *mqc);\r
-/**\r
-Renormalize mqc->a and mqc->c while encoding, so that mqc->a stays between 0x8000 and 0x10000\r
-@param mqc MQC handle\r
-*/\r
-static void mqc_renorme(opj_mqc_t *mqc);\r
-/**\r
-Encode the most probable symbol\r
-@param mqc MQC handle\r
-*/\r
-static void mqc_codemps(opj_mqc_t *mqc);\r
-/**\r
-Encode the most least symbol\r
-@param mqc MQC handle\r
-*/\r
-static void mqc_codelps(opj_mqc_t *mqc);\r
-/**\r
-Fill mqc->c with 1's for flushing\r
-@param mqc MQC handle\r
-*/\r
-static void mqc_setbits(opj_mqc_t *mqc);\r
-/**\r
-FIXME: documentation ???\r
-@param mqc MQC handle\r
-@return \r
-*/\r
-static int mqc_mpsexchange(opj_mqc_t *mqc);\r
-/**\r
-FIXME: documentation ???\r
-@param mqc MQC handle\r
-@return \r
-*/\r
-static int mqc_lpsexchange(opj_mqc_t *mqc);\r
-/**\r
-Input a byte\r
-@param mqc MQC handle\r
-*/\r
-static void mqc_bytein(opj_mqc_t *mqc);\r
-/**\r
-Renormalize mqc->a and mqc->c while decoding\r
-@param mqc MQC handle\r
-*/\r
-static void mqc_renormd(opj_mqc_t *mqc);\r
-\r
-/*@}*/\r
-\r
-/*@}*/\r
-\r
-/* <summary> */\r
-/* This array defines all the possible states for a context. */\r
-/* </summary> */\r
-static opj_mqc_state_t mqc_states[47 * 2] = {\r
- {0x5601, 0, &mqc_states[2], &mqc_states[3]},\r
- {0x5601, 1, &mqc_states[3], &mqc_states[2]},\r
- {0x3401, 0, &mqc_states[4], &mqc_states[12]},\r
- {0x3401, 1, &mqc_states[5], &mqc_states[13]},\r
- {0x1801, 0, &mqc_states[6], &mqc_states[18]},\r
- {0x1801, 1, &mqc_states[7], &mqc_states[19]},\r
- {0x0ac1, 0, &mqc_states[8], &mqc_states[24]},\r
- {0x0ac1, 1, &mqc_states[9], &mqc_states[25]},\r
- {0x0521, 0, &mqc_states[10], &mqc_states[58]},\r
- {0x0521, 1, &mqc_states[11], &mqc_states[59]},\r
- {0x0221, 0, &mqc_states[76], &mqc_states[66]},\r
- {0x0221, 1, &mqc_states[77], &mqc_states[67]},\r
- {0x5601, 0, &mqc_states[14], &mqc_states[13]},\r
- {0x5601, 1, &mqc_states[15], &mqc_states[12]},\r
- {0x5401, 0, &mqc_states[16], &mqc_states[28]},\r
- {0x5401, 1, &mqc_states[17], &mqc_states[29]},\r
- {0x4801, 0, &mqc_states[18], &mqc_states[28]},\r
- {0x4801, 1, &mqc_states[19], &mqc_states[29]},\r
- {0x3801, 0, &mqc_states[20], &mqc_states[28]},\r
- {0x3801, 1, &mqc_states[21], &mqc_states[29]},\r
- {0x3001, 0, &mqc_states[22], &mqc_states[34]},\r
- {0x3001, 1, &mqc_states[23], &mqc_states[35]},\r
- {0x2401, 0, &mqc_states[24], &mqc_states[36]},\r
- {0x2401, 1, &mqc_states[25], &mqc_states[37]},\r
- {0x1c01, 0, &mqc_states[26], &mqc_states[40]},\r
- {0x1c01, 1, &mqc_states[27], &mqc_states[41]},\r
- {0x1601, 0, &mqc_states[58], &mqc_states[42]},\r
- {0x1601, 1, &mqc_states[59], &mqc_states[43]},\r
- {0x5601, 0, &mqc_states[30], &mqc_states[29]},\r
- {0x5601, 1, &mqc_states[31], &mqc_states[28]},\r
- {0x5401, 0, &mqc_states[32], &mqc_states[28]},\r
- {0x5401, 1, &mqc_states[33], &mqc_states[29]},\r
- {0x5101, 0, &mqc_states[34], &mqc_states[30]},\r
- {0x5101, 1, &mqc_states[35], &mqc_states[31]},\r
- {0x4801, 0, &mqc_states[36], &mqc_states[32]},\r
- {0x4801, 1, &mqc_states[37], &mqc_states[33]},\r
- {0x3801, 0, &mqc_states[38], &mqc_states[34]},\r
- {0x3801, 1, &mqc_states[39], &mqc_states[35]},\r
- {0x3401, 0, &mqc_states[40], &mqc_states[36]},\r
- {0x3401, 1, &mqc_states[41], &mqc_states[37]},\r
- {0x3001, 0, &mqc_states[42], &mqc_states[38]},\r
- {0x3001, 1, &mqc_states[43], &mqc_states[39]},\r
- {0x2801, 0, &mqc_states[44], &mqc_states[38]},\r
- {0x2801, 1, &mqc_states[45], &mqc_states[39]},\r
- {0x2401, 0, &mqc_states[46], &mqc_states[40]},\r
- {0x2401, 1, &mqc_states[47], &mqc_states[41]},\r
- {0x2201, 0, &mqc_states[48], &mqc_states[42]},\r
- {0x2201, 1, &mqc_states[49], &mqc_states[43]},\r
- {0x1c01, 0, &mqc_states[50], &mqc_states[44]},\r
- {0x1c01, 1, &mqc_states[51], &mqc_states[45]},\r
- {0x1801, 0, &mqc_states[52], &mqc_states[46]},\r
- {0x1801, 1, &mqc_states[53], &mqc_states[47]},\r
- {0x1601, 0, &mqc_states[54], &mqc_states[48]},\r
- {0x1601, 1, &mqc_states[55], &mqc_states[49]},\r
- {0x1401, 0, &mqc_states[56], &mqc_states[50]},\r
- {0x1401, 1, &mqc_states[57], &mqc_states[51]},\r
- {0x1201, 0, &mqc_states[58], &mqc_states[52]},\r
- {0x1201, 1, &mqc_states[59], &mqc_states[53]},\r
- {0x1101, 0, &mqc_states[60], &mqc_states[54]},\r
- {0x1101, 1, &mqc_states[61], &mqc_states[55]},\r
- {0x0ac1, 0, &mqc_states[62], &mqc_states[56]},\r
- {0x0ac1, 1, &mqc_states[63], &mqc_states[57]},\r
- {0x09c1, 0, &mqc_states[64], &mqc_states[58]},\r
- {0x09c1, 1, &mqc_states[65], &mqc_states[59]},\r
- {0x08a1, 0, &mqc_states[66], &mqc_states[60]},\r
- {0x08a1, 1, &mqc_states[67], &mqc_states[61]},\r
- {0x0521, 0, &mqc_states[68], &mqc_states[62]},\r
- {0x0521, 1, &mqc_states[69], &mqc_states[63]},\r
- {0x0441, 0, &mqc_states[70], &mqc_states[64]},\r
- {0x0441, 1, &mqc_states[71], &mqc_states[65]},\r
- {0x02a1, 0, &mqc_states[72], &mqc_states[66]},\r
- {0x02a1, 1, &mqc_states[73], &mqc_states[67]},\r
- {0x0221, 0, &mqc_states[74], &mqc_states[68]},\r
- {0x0221, 1, &mqc_states[75], &mqc_states[69]},\r
- {0x0141, 0, &mqc_states[76], &mqc_states[70]},\r
- {0x0141, 1, &mqc_states[77], &mqc_states[71]},\r
- {0x0111, 0, &mqc_states[78], &mqc_states[72]},\r
- {0x0111, 1, &mqc_states[79], &mqc_states[73]},\r
- {0x0085, 0, &mqc_states[80], &mqc_states[74]},\r
- {0x0085, 1, &mqc_states[81], &mqc_states[75]},\r
- {0x0049, 0, &mqc_states[82], &mqc_states[76]},\r
- {0x0049, 1, &mqc_states[83], &mqc_states[77]},\r
- {0x0025, 0, &mqc_states[84], &mqc_states[78]},\r
- {0x0025, 1, &mqc_states[85], &mqc_states[79]},\r
- {0x0015, 0, &mqc_states[86], &mqc_states[80]},\r
- {0x0015, 1, &mqc_states[87], &mqc_states[81]},\r
- {0x0009, 0, &mqc_states[88], &mqc_states[82]},\r
- {0x0009, 1, &mqc_states[89], &mqc_states[83]},\r
- {0x0005, 0, &mqc_states[90], &mqc_states[84]},\r
- {0x0005, 1, &mqc_states[91], &mqc_states[85]},\r
- {0x0001, 0, &mqc_states[90], &mqc_states[86]},\r
- {0x0001, 1, &mqc_states[91], &mqc_states[87]},\r
- {0x5601, 0, &mqc_states[92], &mqc_states[92]},\r
- {0x5601, 1, &mqc_states[93], &mqc_states[93]},\r
-};\r
-\r
-/* \r
-==========================================================\r
- local functions\r
-==========================================================\r
-*/\r
-\r
-static void mqc_byteout(opj_mqc_t *mqc) {\r
- if (*mqc->bp == 0xff) {\r
- mqc->bp++;\r
- *mqc->bp = mqc->c >> 20;\r
- mqc->c &= 0xfffff;\r
- mqc->ct = 7;\r
- } else {\r
- if ((mqc->c & 0x8000000) == 0) { /* ((mqc->c&0x8000000)==0) CHANGE */\r
- mqc->bp++;\r
- *mqc->bp = mqc->c >> 19;\r
- mqc->c &= 0x7ffff;\r
- mqc->ct = 8;\r
- } else {\r
- (*mqc->bp)++;\r
- if (*mqc->bp == 0xff) {\r
- mqc->c &= 0x7ffffff;\r
- mqc->bp++;\r
- *mqc->bp = mqc->c >> 20;\r
- mqc->c &= 0xfffff;\r
- mqc->ct = 7;\r
- } else {\r
- mqc->bp++;\r
- *mqc->bp = mqc->c >> 19;\r
- mqc->c &= 0x7ffff;\r
- mqc->ct = 8;\r
- }\r
- }\r
- }\r
-}\r
-\r
-static void mqc_renorme(opj_mqc_t *mqc) {\r
- do {\r
- mqc->a <<= 1;\r
- mqc->c <<= 1;\r
- mqc->ct--;\r
- if (mqc->ct == 0) {\r
- mqc_byteout(mqc);\r
- }\r
- } while ((mqc->a & 0x8000) == 0);\r
-}\r
-\r
-static void mqc_codemps(opj_mqc_t *mqc) {\r
- mqc->a -= (*mqc->curctx)->qeval;\r
- if ((mqc->a & 0x8000) == 0) {\r
- if (mqc->a < (*mqc->curctx)->qeval) {\r
- mqc->a = (*mqc->curctx)->qeval;\r
- } else {\r
- mqc->c += (*mqc->curctx)->qeval;\r
- }\r
- *mqc->curctx = (*mqc->curctx)->nmps;\r
- mqc_renorme(mqc);\r
- } else {\r
- mqc->c += (*mqc->curctx)->qeval;\r
- }\r
-}\r
-\r
-static void mqc_codelps(opj_mqc_t *mqc) {\r
- mqc->a -= (*mqc->curctx)->qeval;\r
- if (mqc->a < (*mqc->curctx)->qeval) {\r
- mqc->c += (*mqc->curctx)->qeval;\r
- } else {\r
- mqc->a = (*mqc->curctx)->qeval;\r
- }\r
- *mqc->curctx = (*mqc->curctx)->nlps;\r
- mqc_renorme(mqc);\r
-}\r
-\r
-static void mqc_setbits(opj_mqc_t *mqc) {\r
- unsigned int tempc = mqc->c + mqc->a;\r
- mqc->c |= 0xffff;\r
- if (mqc->c >= tempc) {\r
- mqc->c -= 0x8000;\r
- }\r
-}\r
-\r
-static int mqc_mpsexchange(opj_mqc_t *mqc) {\r
- int d;\r
- if (mqc->a < (*mqc->curctx)->qeval) {\r
- d = 1 - (*mqc->curctx)->mps;\r
- *mqc->curctx = (*mqc->curctx)->nlps;\r
- } else {\r
- d = (*mqc->curctx)->mps;\r
- *mqc->curctx = (*mqc->curctx)->nmps;\r
- }\r
- \r
- return d;\r
-}\r
-\r
-static int mqc_lpsexchange(opj_mqc_t *mqc) {\r
- int d;\r
- if (mqc->a < (*mqc->curctx)->qeval) {\r
- mqc->a = (*mqc->curctx)->qeval;\r
- d = (*mqc->curctx)->mps;\r
- *mqc->curctx = (*mqc->curctx)->nmps;\r
- } else {\r
- mqc->a = (*mqc->curctx)->qeval;\r
- d = 1 - (*mqc->curctx)->mps;\r
- *mqc->curctx = (*mqc->curctx)->nlps;\r
- }\r
- \r
- return d;\r
-}\r
-\r
-static void mqc_bytein(opj_mqc_t *mqc) {\r
- if (mqc->bp != mqc->end) {\r
- unsigned int c;\r
- if (mqc->bp + 1 != mqc->end) {\r
- c = *(mqc->bp + 1);\r
- } else {\r
- c = 0xff;\r
- }\r
- if (*mqc->bp == 0xff) {\r
- if (c > 0x8f) {\r
- mqc->c += 0xff00;\r
- mqc->ct = 8;\r
- } else {\r
- mqc->bp++;\r
- mqc->c += c << 9;\r
- mqc->ct = 7;\r
- }\r
- } else {\r
- mqc->bp++;\r
- mqc->c += c << 8;\r
- mqc->ct = 8;\r
- }\r
- } else {\r
- mqc->c += 0xff00;\r
- mqc->ct = 8;\r
- }\r
-}\r
-\r
-static void mqc_renormd(opj_mqc_t *mqc) {\r
- do {\r
- if (mqc->ct == 0) {\r
- mqc_bytein(mqc);\r
- }\r
- mqc->a <<= 1;\r
- mqc->c <<= 1;\r
- mqc->ct--;\r
- } while (mqc->a < 0x8000);\r
-}\r
-\r
-/* \r
-==========================================================\r
- MQ-Coder interface\r
-==========================================================\r
-*/\r
-\r
-opj_mqc_t* mqc_create() {\r
- opj_mqc_t *mqc = (opj_mqc_t*)opj_malloc(sizeof(opj_mqc_t));\r
- return mqc;\r
-}\r
-\r
-void mqc_destroy(opj_mqc_t *mqc) {\r
- if(mqc) {\r
- opj_free(mqc);\r
- }\r
-}\r
-\r
-int mqc_numbytes(opj_mqc_t *mqc) {\r
- return mqc->bp - mqc->start;\r
-}\r
-\r
-void mqc_init_enc(opj_mqc_t *mqc, unsigned char *bp) {\r
- mqc_setcurctx(mqc, 0);\r
- mqc->a = 0x8000;\r
- mqc->c = 0;\r
- mqc->bp = bp - 1;\r
- mqc->ct = 12;\r
- if (*mqc->bp == 0xff) {\r
- mqc->ct = 13;\r
- }\r
- mqc->start = bp;\r
-}\r
-\r
-void mqc_setcurctx(opj_mqc_t *mqc, int ctxno) {\r
- mqc->curctx = &mqc->ctxs[ctxno];\r
-}\r
-\r
-void mqc_encode(opj_mqc_t *mqc, int d) {\r
- if ((*mqc->curctx)->mps == d) {\r
- mqc_codemps(mqc);\r
- } else {\r
- mqc_codelps(mqc);\r
- }\r
-}\r
-\r
-void mqc_flush(opj_mqc_t *mqc) {\r
- mqc_setbits(mqc);\r
- mqc->c <<= mqc->ct;\r
- mqc_byteout(mqc);\r
- mqc->c <<= mqc->ct;\r
- mqc_byteout(mqc);\r
- \r
- if (*mqc->bp != 0xff) {\r
- mqc->bp++;\r
- }\r
-}\r
-\r
-void mqc_bypass_init_enc(opj_mqc_t *mqc) {\r
- mqc->c = 0;\r
- mqc->ct = 8;\r
- /*if (*mqc->bp == 0xff) {\r
- mqc->ct = 7;\r
- } */\r
-}\r
-\r
-void mqc_bypass_enc(opj_mqc_t *mqc, int d) {\r
- mqc->ct--;\r
- mqc->c = mqc->c + (d << mqc->ct);\r
- if (mqc->ct == 0) {\r
- mqc->bp++;\r
- *mqc->bp = mqc->c;\r
- mqc->ct = 8;\r
- if (*mqc->bp == 0xff) {\r
- mqc->ct = 7;\r
- }\r
- mqc->c = 0;\r
- }\r
-}\r
-\r
-int mqc_bypass_flush_enc(opj_mqc_t *mqc) {\r
- unsigned char bit_padding;\r
- \r
- bit_padding = 0;\r
- \r
- if (mqc->ct != 0) {\r
- while (mqc->ct > 0) {\r
- mqc->ct--;\r
- mqc->c += bit_padding << mqc->ct;\r
- bit_padding = (bit_padding + 1) & 0x01;\r
- }\r
- mqc->bp++;\r
- *mqc->bp = mqc->c;\r
- mqc->ct = 8;\r
- mqc->c = 0;\r
- }\r
- \r
- return 1;\r
-}\r
-\r
-void mqc_reset_enc(opj_mqc_t *mqc) {\r
- mqc_resetstates(mqc);\r
- mqc_setstate(mqc, 18, 0, 46);\r
- mqc_setstate(mqc, 0, 0, 3);\r
- mqc_setstate(mqc, 1, 0, 4);\r
-}\r
-\r
-int mqc_restart_enc(opj_mqc_t *mqc) {\r
- int correction = 1;\r
- \r
- /* <flush part> */\r
- int n = 27 - 15 - mqc->ct;\r
- mqc->c <<= mqc->ct;\r
- while (n > 0) {\r
- mqc_byteout(mqc);\r
- n -= mqc->ct;\r
- mqc->c <<= mqc->ct;\r
- }\r
- mqc_byteout(mqc);\r
- \r
- return correction;\r
-}\r
-\r
-void mqc_restart_init_enc(opj_mqc_t *mqc) {\r
- /* <Re-init part> */\r
- mqc_setcurctx(mqc, 0);\r
- mqc->a = 0x8000;\r
- mqc->c = 0;\r
- mqc->ct = 12;\r
- mqc->bp--;\r
- if (*mqc->bp == 0xff) {\r
- mqc->ct = 13;\r
- }\r
-}\r
-\r
-void mqc_erterm_enc(opj_mqc_t *mqc) {\r
- int k = 11 - mqc->ct + 1;\r
- \r
- while (k > 0) {\r
- mqc->c <<= mqc->ct;\r
- mqc->ct = 0;\r
- mqc_byteout(mqc);\r
- k -= mqc->ct;\r
- }\r
- \r
- if (*mqc->bp != 0xff) {\r
- mqc_byteout(mqc);\r
- }\r
-}\r
-\r
-void mqc_segmark_enc(opj_mqc_t *mqc) {\r
- int i;\r
- mqc_setcurctx(mqc, 18);\r
- \r
- for (i = 1; i < 5; i++) {\r
- mqc_encode(mqc, i % 2);\r
- }\r
-}\r
-\r
-void mqc_init_dec(opj_mqc_t *mqc, unsigned char *bp, int len) {\r
- mqc_setcurctx(mqc, 0);\r
- mqc->start = bp;\r
- mqc->end = bp + len;\r
- mqc->bp = bp;\r
- if (len==0) mqc->c = 0xff << 16;\r
- else mqc->c = *mqc->bp << 16;\r
- mqc_bytein(mqc);\r
- mqc->c <<= 7;\r
- mqc->ct -= 7;\r
- mqc->a = 0x8000;\r
-}\r
-\r
-int mqc_decode(opj_mqc_t *mqc) {\r
- int d;\r
- mqc->a -= (*mqc->curctx)->qeval;\r
- if ((mqc->c >> 16) < (*mqc->curctx)->qeval) {\r
- d = mqc_lpsexchange(mqc);\r
- mqc_renormd(mqc);\r
- } else {\r
- mqc->c -= (*mqc->curctx)->qeval << 16;\r
- if ((mqc->a & 0x8000) == 0) {\r
- d = mqc_mpsexchange(mqc);\r
- mqc_renormd(mqc);\r
- } else {\r
- d = (*mqc->curctx)->mps;\r
- }\r
- }\r
-\r
- return d;\r
-}\r
-\r
-void mqc_resetstates(opj_mqc_t *mqc) {\r
- int i;\r
- for (i = 0; i < MQC_NUMCTXS; i++) {\r
- mqc->ctxs[i] = mqc_states;\r
- }\r
-}\r
-\r
-void mqc_setstate(opj_mqc_t *mqc, int ctxno, int msb, int prob) {\r
- mqc->ctxs[ctxno] = &mqc_states[msb + (prob << 1)];\r
-}\r
-\r
-\r
+/*
+ * Copyright (c) 2001-2003, David Janssens
+ * Copyright (c) 2002-2003, Yannick Verschueren
+ * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
+ * Copyright (c) 2005, Hervé Drolon, FreeImage Team
+ * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "opj_includes.h"
+
+/** @defgroup MQC MQC - Implementation of an MQ-Coder */
+/*@{*/
+
+/** @name Local static functions */
+/*@{*/
+
+/**
+Output a byte, doing bit-stuffing if necessary.
+After a 0xff byte, the next byte must be smaller than 0x90.
+@param mqc MQC handle
+*/
+static void mqc_byteout(opj_mqc_t *mqc);
+/**
+Renormalize mqc->a and mqc->c while encoding, so that mqc->a stays between 0x8000 and 0x10000
+@param mqc MQC handle
+*/
+static void mqc_renorme(opj_mqc_t *mqc);
+/**
+Encode the most probable symbol
+@param mqc MQC handle
+*/
+static void mqc_codemps(opj_mqc_t *mqc);
+/**
+Encode the most least symbol
+@param mqc MQC handle
+*/
+static void mqc_codelps(opj_mqc_t *mqc);
+/**
+Fill mqc->c with 1's for flushing
+@param mqc MQC handle
+*/
+static void mqc_setbits(opj_mqc_t *mqc);
+/**
+FIXME: documentation ???
+@param mqc MQC handle
+@return
+*/
+static int mqc_mpsexchange(opj_mqc_t *mqc);
+/**
+FIXME: documentation ???
+@param mqc MQC handle
+@return
+*/
+static int mqc_lpsexchange(opj_mqc_t *mqc);
+/**
+Input a byte
+@param mqc MQC handle
+*/
+static void mqc_bytein(opj_mqc_t *mqc);
+/**
+Renormalize mqc->a and mqc->c while decoding
+@param mqc MQC handle
+*/
+static void mqc_renormd(opj_mqc_t *mqc);
+
+/*@}*/
+
+/*@}*/
+
+/* <summary> */
+/* This array defines all the possible states for a context. */
+/* </summary> */
+static opj_mqc_state_t mqc_states[47 * 2] = {
+ {0x5601, 0, &mqc_states[2], &mqc_states[3]},
+ {0x5601, 1, &mqc_states[3], &mqc_states[2]},
+ {0x3401, 0, &mqc_states[4], &mqc_states[12]},
+ {0x3401, 1, &mqc_states[5], &mqc_states[13]},
+ {0x1801, 0, &mqc_states[6], &mqc_states[18]},
+ {0x1801, 1, &mqc_states[7], &mqc_states[19]},
+ {0x0ac1, 0, &mqc_states[8], &mqc_states[24]},
+ {0x0ac1, 1, &mqc_states[9], &mqc_states[25]},
+ {0x0521, 0, &mqc_states[10], &mqc_states[58]},
+ {0x0521, 1, &mqc_states[11], &mqc_states[59]},
+ {0x0221, 0, &mqc_states[76], &mqc_states[66]},
+ {0x0221, 1, &mqc_states[77], &mqc_states[67]},
+ {0x5601, 0, &mqc_states[14], &mqc_states[13]},
+ {0x5601, 1, &mqc_states[15], &mqc_states[12]},
+ {0x5401, 0, &mqc_states[16], &mqc_states[28]},
+ {0x5401, 1, &mqc_states[17], &mqc_states[29]},
+ {0x4801, 0, &mqc_states[18], &mqc_states[28]},
+ {0x4801, 1, &mqc_states[19], &mqc_states[29]},
+ {0x3801, 0, &mqc_states[20], &mqc_states[28]},
+ {0x3801, 1, &mqc_states[21], &mqc_states[29]},
+ {0x3001, 0, &mqc_states[22], &mqc_states[34]},
+ {0x3001, 1, &mqc_states[23], &mqc_states[35]},
+ {0x2401, 0, &mqc_states[24], &mqc_states[36]},
+ {0x2401, 1, &mqc_states[25], &mqc_states[37]},
+ {0x1c01, 0, &mqc_states[26], &mqc_states[40]},
+ {0x1c01, 1, &mqc_states[27], &mqc_states[41]},
+ {0x1601, 0, &mqc_states[58], &mqc_states[42]},
+ {0x1601, 1, &mqc_states[59], &mqc_states[43]},
+ {0x5601, 0, &mqc_states[30], &mqc_states[29]},
+ {0x5601, 1, &mqc_states[31], &mqc_states[28]},
+ {0x5401, 0, &mqc_states[32], &mqc_states[28]},
+ {0x5401, 1, &mqc_states[33], &mqc_states[29]},
+ {0x5101, 0, &mqc_states[34], &mqc_states[30]},
+ {0x5101, 1, &mqc_states[35], &mqc_states[31]},
+ {0x4801, 0, &mqc_states[36], &mqc_states[32]},
+ {0x4801, 1, &mqc_states[37], &mqc_states[33]},
+ {0x3801, 0, &mqc_states[38], &mqc_states[34]},
+ {0x3801, 1, &mqc_states[39], &mqc_states[35]},
+ {0x3401, 0, &mqc_states[40], &mqc_states[36]},
+ {0x3401, 1, &mqc_states[41], &mqc_states[37]},
+ {0x3001, 0, &mqc_states[42], &mqc_states[38]},
+ {0x3001, 1, &mqc_states[43], &mqc_states[39]},
+ {0x2801, 0, &mqc_states[44], &mqc_states[38]},
+ {0x2801, 1, &mqc_states[45], &mqc_states[39]},
+ {0x2401, 0, &mqc_states[46], &mqc_states[40]},
+ {0x2401, 1, &mqc_states[47], &mqc_states[41]},
+ {0x2201, 0, &mqc_states[48], &mqc_states[42]},
+ {0x2201, 1, &mqc_states[49], &mqc_states[43]},
+ {0x1c01, 0, &mqc_states[50], &mqc_states[44]},
+ {0x1c01, 1, &mqc_states[51], &mqc_states[45]},
+ {0x1801, 0, &mqc_states[52], &mqc_states[46]},
+ {0x1801, 1, &mqc_states[53], &mqc_states[47]},
+ {0x1601, 0, &mqc_states[54], &mqc_states[48]},
+ {0x1601, 1, &mqc_states[55], &mqc_states[49]},
+ {0x1401, 0, &mqc_states[56], &mqc_states[50]},
+ {0x1401, 1, &mqc_states[57], &mqc_states[51]},
+ {0x1201, 0, &mqc_states[58], &mqc_states[52]},
+ {0x1201, 1, &mqc_states[59], &mqc_states[53]},
+ {0x1101, 0, &mqc_states[60], &mqc_states[54]},
+ {0x1101, 1, &mqc_states[61], &mqc_states[55]},
+ {0x0ac1, 0, &mqc_states[62], &mqc_states[56]},
+ {0x0ac1, 1, &mqc_states[63], &mqc_states[57]},
+ {0x09c1, 0, &mqc_states[64], &mqc_states[58]},
+ {0x09c1, 1, &mqc_states[65], &mqc_states[59]},
+ {0x08a1, 0, &mqc_states[66], &mqc_states[60]},
+ {0x08a1, 1, &mqc_states[67], &mqc_states[61]},
+ {0x0521, 0, &mqc_states[68], &mqc_states[62]},
+ {0x0521, 1, &mqc_states[69], &mqc_states[63]},
+ {0x0441, 0, &mqc_states[70], &mqc_states[64]},
+ {0x0441, 1, &mqc_states[71], &mqc_states[65]},
+ {0x02a1, 0, &mqc_states[72], &mqc_states[66]},
+ {0x02a1, 1, &mqc_states[73], &mqc_states[67]},
+ {0x0221, 0, &mqc_states[74], &mqc_states[68]},
+ {0x0221, 1, &mqc_states[75], &mqc_states[69]},
+ {0x0141, 0, &mqc_states[76], &mqc_states[70]},
+ {0x0141, 1, &mqc_states[77], &mqc_states[71]},
+ {0x0111, 0, &mqc_states[78], &mqc_states[72]},
+ {0x0111, 1, &mqc_states[79], &mqc_states[73]},
+ {0x0085, 0, &mqc_states[80], &mqc_states[74]},
+ {0x0085, 1, &mqc_states[81], &mqc_states[75]},
+ {0x0049, 0, &mqc_states[82], &mqc_states[76]},
+ {0x0049, 1, &mqc_states[83], &mqc_states[77]},
+ {0x0025, 0, &mqc_states[84], &mqc_states[78]},
+ {0x0025, 1, &mqc_states[85], &mqc_states[79]},
+ {0x0015, 0, &mqc_states[86], &mqc_states[80]},
+ {0x0015, 1, &mqc_states[87], &mqc_states[81]},
+ {0x0009, 0, &mqc_states[88], &mqc_states[82]},
+ {0x0009, 1, &mqc_states[89], &mqc_states[83]},
+ {0x0005, 0, &mqc_states[90], &mqc_states[84]},
+ {0x0005, 1, &mqc_states[91], &mqc_states[85]},
+ {0x0001, 0, &mqc_states[90], &mqc_states[86]},
+ {0x0001, 1, &mqc_states[91], &mqc_states[87]},
+ {0x5601, 0, &mqc_states[92], &mqc_states[92]},
+ {0x5601, 1, &mqc_states[93], &mqc_states[93]},
+};
+
+/*
+==========================================================
+ local functions
+==========================================================
+*/
+
+static void mqc_byteout(opj_mqc_t *mqc) {
+ if (*mqc->bp == 0xff) {
+ mqc->bp++;
+ *mqc->bp = mqc->c >> 20;
+ mqc->c &= 0xfffff;
+ mqc->ct = 7;
+ } else {
+ if ((mqc->c & 0x8000000) == 0) { /* ((mqc->c&0x8000000)==0) CHANGE */
+ mqc->bp++;
+ *mqc->bp = mqc->c >> 19;
+ mqc->c &= 0x7ffff;
+ mqc->ct = 8;
+ } else {
+ (*mqc->bp)++;
+ if (*mqc->bp == 0xff) {
+ mqc->c &= 0x7ffffff;
+ mqc->bp++;
+ *mqc->bp = mqc->c >> 20;
+ mqc->c &= 0xfffff;
+ mqc->ct = 7;
+ } else {
+ mqc->bp++;
+ *mqc->bp = mqc->c >> 19;
+ mqc->c &= 0x7ffff;
+ mqc->ct = 8;
+ }
+ }
+ }
+}
+
+static void mqc_renorme(opj_mqc_t *mqc) {
+ do {
+ mqc->a <<= 1;
+ mqc->c <<= 1;
+ mqc->ct--;
+ if (mqc->ct == 0) {
+ mqc_byteout(mqc);
+ }
+ } while ((mqc->a & 0x8000) == 0);
+}
+
+static void mqc_codemps(opj_mqc_t *mqc) {
+ mqc->a -= (*mqc->curctx)->qeval;
+ if ((mqc->a & 0x8000) == 0) {
+ if (mqc->a < (*mqc->curctx)->qeval) {
+ mqc->a = (*mqc->curctx)->qeval;
+ } else {
+ mqc->c += (*mqc->curctx)->qeval;
+ }
+ *mqc->curctx = (*mqc->curctx)->nmps;
+ mqc_renorme(mqc);
+ } else {
+ mqc->c += (*mqc->curctx)->qeval;
+ }
+}
+
+static void mqc_codelps(opj_mqc_t *mqc) {
+ mqc->a -= (*mqc->curctx)->qeval;
+ if (mqc->a < (*mqc->curctx)->qeval) {
+ mqc->c += (*mqc->curctx)->qeval;
+ } else {
+ mqc->a = (*mqc->curctx)->qeval;
+ }
+ *mqc->curctx = (*mqc->curctx)->nlps;
+ mqc_renorme(mqc);
+}
+
+static void mqc_setbits(opj_mqc_t *mqc) {
+ unsigned int tempc = mqc->c + mqc->a;
+ mqc->c |= 0xffff;
+ if (mqc->c >= tempc) {
+ mqc->c -= 0x8000;
+ }
+}
+
+static int mqc_mpsexchange(opj_mqc_t *mqc) {
+ int d;
+ if (mqc->a < (*mqc->curctx)->qeval) {
+ d = 1 - (*mqc->curctx)->mps;
+ *mqc->curctx = (*mqc->curctx)->nlps;
+ } else {
+ d = (*mqc->curctx)->mps;
+ *mqc->curctx = (*mqc->curctx)->nmps;
+ }
+
+ return d;
+}
+
+static int mqc_lpsexchange(opj_mqc_t *mqc) {
+ int d;
+ if (mqc->a < (*mqc->curctx)->qeval) {
+ mqc->a = (*mqc->curctx)->qeval;
+ d = (*mqc->curctx)->mps;
+ *mqc->curctx = (*mqc->curctx)->nmps;
+ } else {
+ mqc->a = (*mqc->curctx)->qeval;
+ d = 1 - (*mqc->curctx)->mps;
+ *mqc->curctx = (*mqc->curctx)->nlps;
+ }
+
+ return d;
+}
+
+static void mqc_bytein(opj_mqc_t *mqc) {
+ if (mqc->bp != mqc->end) {
+ unsigned int c;
+ if (mqc->bp + 1 != mqc->end) {
+ c = *(mqc->bp + 1);
+ } else {
+ c = 0xff;
+ }
+ if (*mqc->bp == 0xff) {
+ if (c > 0x8f) {
+ mqc->c += 0xff00;
+ mqc->ct = 8;
+ } else {
+ mqc->bp++;
+ mqc->c += c << 9;
+ mqc->ct = 7;
+ }
+ } else {
+ mqc->bp++;
+ mqc->c += c << 8;
+ mqc->ct = 8;
+ }
+ } else {
+ mqc->c += 0xff00;
+ mqc->ct = 8;
+ }
+}
+
+static void mqc_renormd(opj_mqc_t *mqc) {
+ do {
+ if (mqc->ct == 0) {
+ mqc_bytein(mqc);
+ }
+ mqc->a <<= 1;
+ mqc->c <<= 1;
+ mqc->ct--;
+ } while (mqc->a < 0x8000);
+}
+
+/*
+==========================================================
+ MQ-Coder interface
+==========================================================
+*/
+
+opj_mqc_t* mqc_create() {
+ opj_mqc_t *mqc = (opj_mqc_t*)opj_malloc(sizeof(opj_mqc_t));
+ return mqc;
+}
+
+void mqc_destroy(opj_mqc_t *mqc) {
+ if(mqc) {
+ opj_free(mqc);
+ }
+}
+
+int mqc_numbytes(opj_mqc_t *mqc) {
+ return mqc->bp - mqc->start;
+}
+
+void mqc_init_enc(opj_mqc_t *mqc, unsigned char *bp) {
+ mqc_setcurctx(mqc, 0);
+ mqc->a = 0x8000;
+ mqc->c = 0;
+ mqc->bp = bp - 1;
+ mqc->ct = 12;
+ if (*mqc->bp == 0xff) {
+ mqc->ct = 13;
+ }
+ mqc->start = bp;
+}
+
+void mqc_setcurctx(opj_mqc_t *mqc, int ctxno) {
+ mqc->curctx = &mqc->ctxs[ctxno];
+}
+
+void mqc_encode(opj_mqc_t *mqc, int d) {
+ if ((*mqc->curctx)->mps == d) {
+ mqc_codemps(mqc);
+ } else {
+ mqc_codelps(mqc);
+ }
+}
+
+void mqc_flush(opj_mqc_t *mqc) {
+ mqc_setbits(mqc);
+ mqc->c <<= mqc->ct;
+ mqc_byteout(mqc);
+ mqc->c <<= mqc->ct;
+ mqc_byteout(mqc);
+
+ if (*mqc->bp != 0xff) {
+ mqc->bp++;
+ }
+}
+
+void mqc_bypass_init_enc(opj_mqc_t *mqc) {
+ mqc->c = 0;
+ mqc->ct = 8;
+ /*if (*mqc->bp == 0xff) {
+ mqc->ct = 7;
+ } */
+}
+
+void mqc_bypass_enc(opj_mqc_t *mqc, int d) {
+ mqc->ct--;
+ mqc->c = mqc->c + (d << mqc->ct);
+ if (mqc->ct == 0) {
+ mqc->bp++;
+ *mqc->bp = mqc->c;
+ mqc->ct = 8;
+ if (*mqc->bp == 0xff) {
+ mqc->ct = 7;
+ }
+ mqc->c = 0;
+ }
+}
+
+int mqc_bypass_flush_enc(opj_mqc_t *mqc) {
+ unsigned char bit_padding;
+
+ bit_padding = 0;
+
+ if (mqc->ct != 0) {
+ while (mqc->ct > 0) {
+ mqc->ct--;
+ mqc->c += bit_padding << mqc->ct;
+ bit_padding = (bit_padding + 1) & 0x01;
+ }
+ mqc->bp++;
+ *mqc->bp = mqc->c;
+ mqc->ct = 8;
+ mqc->c = 0;
+ }
+
+ return 1;
+}
+
+void mqc_reset_enc(opj_mqc_t *mqc) {
+ mqc_resetstates(mqc);
+ mqc_setstate(mqc, 18, 0, 46);
+ mqc_setstate(mqc, 0, 0, 3);
+ mqc_setstate(mqc, 1, 0, 4);
+}
+
+int mqc_restart_enc(opj_mqc_t *mqc) {
+ int correction = 1;
+
+ /* <flush part> */
+ int n = 27 - 15 - mqc->ct;
+ mqc->c <<= mqc->ct;
+ while (n > 0) {
+ mqc_byteout(mqc);
+ n -= mqc->ct;
+ mqc->c <<= mqc->ct;
+ }
+ mqc_byteout(mqc);
+
+ return correction;
+}
+
+void mqc_restart_init_enc(opj_mqc_t *mqc) {
+ /* <Re-init part> */
+ mqc_setcurctx(mqc, 0);
+ mqc->a = 0x8000;
+ mqc->c = 0;
+ mqc->ct = 12;
+ mqc->bp--;
+ if (*mqc->bp == 0xff) {
+ mqc->ct = 13;
+ }
+}
+
+void mqc_erterm_enc(opj_mqc_t *mqc) {
+ int k = 11 - mqc->ct + 1;
+
+ while (k > 0) {
+ mqc->c <<= mqc->ct;
+ mqc->ct = 0;
+ mqc_byteout(mqc);
+ k -= mqc->ct;
+ }
+
+ if (*mqc->bp != 0xff) {
+ mqc_byteout(mqc);
+ }
+}
+
+void mqc_segmark_enc(opj_mqc_t *mqc) {
+ int i;
+ mqc_setcurctx(mqc, 18);
+
+ for (i = 1; i < 5; i++) {
+ mqc_encode(mqc, i % 2);
+ }
+}
+
+void mqc_init_dec(opj_mqc_t *mqc, unsigned char *bp, int len) {
+ mqc_setcurctx(mqc, 0);
+ mqc->start = bp;
+ mqc->end = bp + len;
+ mqc->bp = bp;
+ if (len==0) mqc->c = 0xff << 16;
+ else mqc->c = *mqc->bp << 16;
+ mqc_bytein(mqc);
+ mqc->c <<= 7;
+ mqc->ct -= 7;
+ mqc->a = 0x8000;
+}
+
+int mqc_decode(opj_mqc_t *mqc) {
+ int d;
+ mqc->a -= (*mqc->curctx)->qeval;
+ if ((mqc->c >> 16) < (*mqc->curctx)->qeval) {
+ d = mqc_lpsexchange(mqc);
+ mqc_renormd(mqc);
+ } else {
+ mqc->c -= (*mqc->curctx)->qeval << 16;
+ if ((mqc->a & 0x8000) == 0) {
+ d = mqc_mpsexchange(mqc);
+ mqc_renormd(mqc);
+ } else {
+ d = (*mqc->curctx)->mps;
+ }
+ }
+
+ return d;
+}
+
+void mqc_resetstates(opj_mqc_t *mqc) {
+ int i;
+ for (i = 0; i < MQC_NUMCTXS; i++) {
+ mqc->ctxs[i] = mqc_states;
+ }
+}
+
+void mqc_setstate(opj_mqc_t *mqc, int ctxno, int msb, int prob) {
+ mqc->ctxs[ctxno] = &mqc_states[msb + (prob << 1)];
+}
+
+
-/*\r
- * Copyright (c) 2001-2003, David Janssens\r
- * Copyright (c) 2002-2003, Yannick Verschueren\r
- * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe\r
- * Copyright (c) 2005, Hervé Drolon, FreeImage Team\r
- * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium\r
- * All rights reserved.\r
- *\r
- * Redistribution and use in source and binary forms, with or without\r
- * modification, are permitted provided that the following conditions\r
- * are met:\r
- * 1. Redistributions of source code must retain the above copyright\r
- * notice, this list of conditions and the following disclaimer.\r
- * 2. Redistributions in binary form must reproduce the above copyright\r
- * notice, this list of conditions and the following disclaimer in the\r
- * documentation and/or other materials provided with the distribution.\r
- *\r
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'\r
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE\r
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\r
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\r
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\r
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\r
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
- * POSSIBILITY OF SUCH DAMAGE.\r
- */\r
-\r
-#ifndef __MQC_H\r
-#define __MQC_H\r
-/**\r
-@file mqc.h\r
-@brief Implementation of an MQ-Coder (MQC)\r
-\r
-The functions in MQC.C have for goal to realize the MQ-coder operations. The functions\r
-in MQC.C are used by some function in T1.C.\r
-*/\r
-\r
-/** @defgroup MQC MQC - Implementation of an MQ-Coder */\r
-/*@{*/\r
-\r
-/**\r
-This struct defines the state of a context.\r
-*/\r
-typedef struct opj_mqc_state {\r
- /** the probability of the Least Probable Symbol (0.75->0x8000, 1.5->0xffff) */\r
- unsigned int qeval;\r
- /** the Most Probable Symbol (0 or 1) */\r
- int mps;\r
- /** next state if the next encoded symbol is the MPS */\r
- struct opj_mqc_state *nmps;\r
- /** next state if the next encoded symbol is the LPS */\r
- struct opj_mqc_state *nlps;\r
-} opj_mqc_state_t;\r
-\r
-#define MQC_NUMCTXS 32\r
-\r
-/**\r
-MQ coder\r
-*/\r
-typedef struct opj_mqc {\r
- unsigned int c;\r
- unsigned int a;\r
- unsigned int ct;\r
- unsigned char *bp;\r
- unsigned char *start;\r
- unsigned char *end;\r
- opj_mqc_state_t *ctxs[MQC_NUMCTXS];\r
- opj_mqc_state_t **curctx;\r
-} opj_mqc_t;\r
-\r
-/** @name Exported functions */\r
-/*@{*/\r
-/* ----------------------------------------------------------------------- */\r
-/**\r
-Create a new MQC handle \r
-@return Returns a new MQC handle if successful, returns NULL otherwise\r
-*/\r
-opj_mqc_t* mqc_create();\r
-/**\r
-Destroy a previously created MQC handle\r
-@param mqc MQC handle to destroy\r
-*/\r
-void mqc_destroy(opj_mqc_t *mqc);\r
-/**\r
-Return the number of bytes written/read since initialisation\r
-@param mqc MQC handle\r
-@return Returns the number of bytes already encoded\r
-*/\r
-int mqc_numbytes(opj_mqc_t *mqc);\r
-/**\r
-Reset the states of all the context of the coder/decoder \r
-(each context is set to a state where 0 and 1 are more or less equiprobable)\r
-@param mqc MQC handle\r
-*/\r
-void mqc_resetstates(opj_mqc_t *mqc);\r
-/**\r
-Set the state of a particular context\r
-@param mqc MQC handle\r
-@param ctxno Number that identifies the context\r
-@param msb The MSB of the new state of the context\r
-@param prob Number that identifies the probability of the symbols for the new state of the context\r
-*/\r
-void mqc_setstate(opj_mqc_t *mqc, int ctxno, int msb, int prob);\r
-/**\r
-Initialize the encoder\r
-@param mqc MQC handle\r
-@param bp Pointer to the start of the buffer where the bytes will be written\r
-*/\r
-void mqc_init_enc(opj_mqc_t *mqc, unsigned char *bp);\r
-/**\r
-Set the current context used for coding/decoding\r
-@param mqc MQC handle\r
-@param ctxno Number that identifies the context\r
-*/\r
-void mqc_setcurctx(opj_mqc_t *mqc, int ctxno);\r
-/**\r
-Encode a symbol using the MQ-coder\r
-@param mqc MQC handle\r
-@param d The symbol to be encoded (0 or 1)\r
-*/\r
-void mqc_encode(opj_mqc_t *mqc, int d);\r
-/**\r
-Flush the encoder, so that all remaining data is written\r
-@param mqc MQC handle\r
-*/\r
-void mqc_flush(opj_mqc_t *mqc);\r
-/**\r
-BYPASS mode switch, initialization operation. \r
-JPEG 2000 p 505. \r
-<h2>Not fully implemented and tested !!</h2>\r
-@param mqc MQC handle\r
-*/\r
-void mqc_bypass_init_enc(opj_mqc_t *mqc);\r
-/**\r
-BYPASS mode switch, coding operation. \r
-JPEG 2000 p 505. \r
-<h2>Not fully implemented and tested !!</h2>\r
-@param mqc MQC handle\r
-@param d The symbol to be encoded (0 or 1)\r
-*/\r
-void mqc_bypass_enc(opj_mqc_t *mqc, int d);\r
-/**\r
-BYPASS mode switch, flush operation\r
-<h2>Not fully implemented and tested !!</h2>\r
-@param mqc MQC handle\r
-@return Returns 1 (always)\r
-*/\r
-int mqc_bypass_flush_enc(opj_mqc_t *mqc);\r
-/**\r
-RESET mode switch\r
-@param mqc MQC handle\r
-*/\r
-void mqc_reset_enc(opj_mqc_t *mqc);\r
-/**\r
-RESTART mode switch (TERMALL)\r
-@param mqc MQC handle\r
-@return Returns 1 (always)\r
-*/\r
-int mqc_restart_enc(opj_mqc_t *mqc);\r
-/**\r
-RESTART mode switch (TERMALL) reinitialisation\r
-@param mqc MQC handle\r
-*/\r
-void mqc_restart_init_enc(opj_mqc_t *mqc);\r
-/**\r
-ERTERM mode switch (PTERM)\r
-@param mqc MQC handle\r
-*/\r
-void mqc_erterm_enc(opj_mqc_t *mqc);\r
-/**\r
-SEGMARK mode switch (SEGSYM)\r
-@param mqc MQC handle\r
-*/\r
-void mqc_segmark_enc(opj_mqc_t *mqc);\r
-/**\r
-Initialize the decoder\r
-@param mqc MQC handle\r
-@param bp Pointer to the start of the buffer from which the bytes will be read\r
-@param len Length of the input buffer\r
-*/\r
-void mqc_init_dec(opj_mqc_t *mqc, unsigned char *bp, int len);\r
-/**\r
-Decode a symbol\r
-@param mqc MQC handle\r
-@return Returns the decoded symbol (0 or 1)\r
-*/\r
-int mqc_decode(opj_mqc_t *mqc);\r
-/* ----------------------------------------------------------------------- */\r
-/*@}*/\r
-\r
-/*@}*/\r
-\r
-#endif /* __MQC_H */\r
+/*
+ * Copyright (c) 2001-2003, David Janssens
+ * Copyright (c) 2002-2003, Yannick Verschueren
+ * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
+ * Copyright (c) 2005, Hervé Drolon, FreeImage Team
+ * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __MQC_H
+#define __MQC_H
+/**
+@file mqc.h
+@brief Implementation of an MQ-Coder (MQC)
+
+The functions in MQC.C have for goal to realize the MQ-coder operations. The functions
+in MQC.C are used by some function in T1.C.
+*/
+
+/** @defgroup MQC MQC - Implementation of an MQ-Coder */
+/*@{*/
+
+/**
+This struct defines the state of a context.
+*/
+typedef struct opj_mqc_state {
+ /** the probability of the Least Probable Symbol (0.75->0x8000, 1.5->0xffff) */
+ unsigned int qeval;
+ /** the Most Probable Symbol (0 or 1) */
+ int mps;
+ /** next state if the next encoded symbol is the MPS */
+ struct opj_mqc_state *nmps;
+ /** next state if the next encoded symbol is the LPS */
+ struct opj_mqc_state *nlps;
+} opj_mqc_state_t;
+
+#define MQC_NUMCTXS 32
+
+/**
+MQ coder
+*/
+typedef struct opj_mqc {
+ unsigned int c;
+ unsigned int a;
+ unsigned int ct;
+ unsigned char *bp;
+ unsigned char *start;
+ unsigned char *end;
+ opj_mqc_state_t *ctxs[MQC_NUMCTXS];
+ opj_mqc_state_t **curctx;
+} opj_mqc_t;
+
+/** @name Exported functions */
+/*@{*/
+/* ----------------------------------------------------------------------- */
+/**
+Create a new MQC handle
+@return Returns a new MQC handle if successful, returns NULL otherwise
+*/
+opj_mqc_t* mqc_create();
+/**
+Destroy a previously created MQC handle
+@param mqc MQC handle to destroy
+*/
+void mqc_destroy(opj_mqc_t *mqc);
+/**
+Return the number of bytes written/read since initialisation
+@param mqc MQC handle
+@return Returns the number of bytes already encoded
+*/
+int mqc_numbytes(opj_mqc_t *mqc);
+/**
+Reset the states of all the context of the coder/decoder
+(each context is set to a state where 0 and 1 are more or less equiprobable)
+@param mqc MQC handle
+*/
+void mqc_resetstates(opj_mqc_t *mqc);
+/**
+Set the state of a particular context
+@param mqc MQC handle
+@param ctxno Number that identifies the context
+@param msb The MSB of the new state of the context
+@param prob Number that identifies the probability of the symbols for the new state of the context
+*/
+void mqc_setstate(opj_mqc_t *mqc, int ctxno, int msb, int prob);
+/**
+Initialize the encoder
+@param mqc MQC handle
+@param bp Pointer to the start of the buffer where the bytes will be written
+*/
+void mqc_init_enc(opj_mqc_t *mqc, unsigned char *bp);
+/**
+Set the current context used for coding/decoding
+@param mqc MQC handle
+@param ctxno Number that identifies the context
+*/
+void mqc_setcurctx(opj_mqc_t *mqc, int ctxno);
+/**
+Encode a symbol using the MQ-coder
+@param mqc MQC handle
+@param d The symbol to be encoded (0 or 1)
+*/
+void mqc_encode(opj_mqc_t *mqc, int d);
+/**
+Flush the encoder, so that all remaining data is written
+@param mqc MQC handle
+*/
+void mqc_flush(opj_mqc_t *mqc);
+/**
+BYPASS mode switch, initialization operation.
+JPEG 2000 p 505.
+<h2>Not fully implemented and tested !!</h2>
+@param mqc MQC handle
+*/
+void mqc_bypass_init_enc(opj_mqc_t *mqc);
+/**
+BYPASS mode switch, coding operation.
+JPEG 2000 p 505.
+<h2>Not fully implemented and tested !!</h2>
+@param mqc MQC handle
+@param d The symbol to be encoded (0 or 1)
+*/
+void mqc_bypass_enc(opj_mqc_t *mqc, int d);
+/**
+BYPASS mode switch, flush operation
+<h2>Not fully implemented and tested !!</h2>
+@param mqc MQC handle
+@return Returns 1 (always)
+*/
+int mqc_bypass_flush_enc(opj_mqc_t *mqc);
+/**
+RESET mode switch
+@param mqc MQC handle
+*/
+void mqc_reset_enc(opj_mqc_t *mqc);
+/**
+RESTART mode switch (TERMALL)
+@param mqc MQC handle
+@return Returns 1 (always)
+*/
+int mqc_restart_enc(opj_mqc_t *mqc);
+/**
+RESTART mode switch (TERMALL) reinitialisation
+@param mqc MQC handle
+*/
+void mqc_restart_init_enc(opj_mqc_t *mqc);
+/**
+ERTERM mode switch (PTERM)
+@param mqc MQC handle
+*/
+void mqc_erterm_enc(opj_mqc_t *mqc);
+/**
+SEGMARK mode switch (SEGSYM)
+@param mqc MQC handle
+*/
+void mqc_segmark_enc(opj_mqc_t *mqc);
+/**
+Initialize the decoder
+@param mqc MQC handle
+@param bp Pointer to the start of the buffer from which the bytes will be read
+@param len Length of the input buffer
+*/
+void mqc_init_dec(opj_mqc_t *mqc, unsigned char *bp, int len);
+/**
+Decode a symbol
+@param mqc MQC handle
+@return Returns the decoded symbol (0 or 1)
+*/
+int mqc_decode(opj_mqc_t *mqc);
+/* ----------------------------------------------------------------------- */
+/*@}*/
+
+/*@}*/
+
+#endif /* __MQC_H */
-/*\r
- * Copyright (c) 2005, Hervé Drolon, FreeImage Team\r
- * All rights reserved.\r
- *\r
- * Redistribution and use in source and binary forms, with or without\r
- * modification, are permitted provided that the following conditions\r
- * are met:\r
- * 1. Redistributions of source code must retain the above copyright\r
- * notice, this list of conditions and the following disclaimer.\r
- * 2. Redistributions in binary form must reproduce the above copyright\r
- * notice, this list of conditions and the following disclaimer in the\r
- * documentation and/or other materials provided with the distribution.\r
- *\r
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'\r
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE\r
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\r
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\r
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\r
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\r
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
- * POSSIBILITY OF SUCH DAMAGE.\r
- */\r
-\r
-#include "opj_includes.h"\r
-\r
-const char * opj_version() {\r
- return OPENJPEG_VERSION;\r
-}\r
-\r
-opj_dinfo_t* opj_create_decompress(OPJ_CODEC_FORMAT format) {\r
- opj_dinfo_t *dinfo = (opj_dinfo_t*)opj_malloc(sizeof(opj_dinfo_t));\r
- if(!dinfo) return NULL;\r
- dinfo->is_decompressor = true;\r
- switch(format) {\r
- case CODEC_J2K:\r
- case CODEC_JPT:\r
- /* get a J2K decoder handle */\r
- dinfo->j2k_handle = (void*)j2k_create_decompress((opj_common_ptr)dinfo);\r
- if(!dinfo->j2k_handle) {\r
- opj_free(dinfo);\r
- return NULL;\r
- }\r
- break;\r
- case CODEC_JP2:\r
- /* get a JP2 decoder handle */\r
- dinfo->jp2_handle = (void*)jp2_create_decompress((opj_common_ptr)dinfo);\r
- if(!dinfo->jp2_handle) {\r
- opj_free(dinfo);\r
- return NULL;\r
- }\r
- break;\r
- default:\r
- opj_free(dinfo);\r
- return NULL;\r
- }\r
-\r
- dinfo->codec_format = format;\r
-\r
- return dinfo;\r
-}\r
-\r
-void opj_destroy_decompress(opj_dinfo_t *dinfo) {\r
- if(dinfo) {\r
- /* destroy the codec */\r
- switch(dinfo->codec_format) {\r
- case CODEC_J2K:\r
- case CODEC_JPT:\r
- j2k_destroy_decompress((opj_j2k_t*)dinfo->j2k_handle);\r
- break;\r
- case CODEC_JP2:\r
- jp2_destroy_decompress((opj_jp2_t*)dinfo->jp2_handle);\r
- break;\r
- }\r
- /* destroy the decompressor */\r
- opj_free(dinfo);\r
- }\r
-}\r
-\r
-void opj_set_default_decoder_parameters(opj_dparameters_t *parameters) {\r
- if(parameters) {\r
- memset(parameters, 0, sizeof(opj_dparameters_t));\r
- /* default decoding parameters */\r
- parameters->cp_layer = 0;\r
- parameters->cp_reduce = 0;\r
-\r
- parameters->decod_format = -1;\r
- parameters->cod_format = -1;\r
- }\r
-}\r
-\r
-void opj_setup_decoder(opj_dinfo_t *dinfo, opj_dparameters_t *parameters) {\r
- if(dinfo && parameters) {\r
- switch(dinfo->codec_format) {\r
- case CODEC_J2K:\r
- case CODEC_JPT:\r
- j2k_setup_decoder((opj_j2k_t*)dinfo->j2k_handle, parameters);\r
- break;\r
- case CODEC_JP2:\r
- jp2_setup_decoder((opj_jp2_t*)dinfo->jp2_handle, parameters);\r
- break;\r
- }\r
- }\r
-}\r
-\r
-opj_image_t* opj_decode(opj_dinfo_t *dinfo, opj_cio_t *cio) {\r
- if(dinfo && cio) {\r
- switch(dinfo->codec_format) {\r
- case CODEC_J2K:\r
- return j2k_decode((opj_j2k_t*)dinfo->j2k_handle, cio);\r
- case CODEC_JPT:\r
- return j2k_decode_jpt_stream((opj_j2k_t*)dinfo->j2k_handle, cio);\r
- case CODEC_JP2:\r
- return jp2_decode((opj_jp2_t*)dinfo->jp2_handle, cio);\r
- }\r
- }\r
-\r
- return NULL;\r
-}\r
-\r
-opj_cinfo_t* opj_create_compress(OPJ_CODEC_FORMAT format) {\r
- opj_cinfo_t *cinfo = (opj_cinfo_t*)opj_malloc(sizeof(opj_cinfo_t));\r
- if(!cinfo) return NULL;\r
- cinfo->is_decompressor = false;\r
- switch(format) {\r
- case CODEC_J2K:\r
- /* get a J2K coder handle */\r
- cinfo->j2k_handle = (void*)j2k_create_compress((opj_common_ptr)cinfo);\r
- if(!cinfo->j2k_handle) {\r
- opj_free(cinfo);\r
- return NULL;\r
- }\r
- break;\r
- case CODEC_JP2:\r
- /* get a JP2 coder handle */\r
- cinfo->jp2_handle = (void*)jp2_create_compress((opj_common_ptr)cinfo);\r
- if(!cinfo->jp2_handle) {\r
- opj_free(cinfo);\r
- return NULL;\r
- }\r
- break;\r
- default:\r
- opj_free(cinfo);\r
- return NULL;\r
- }\r
-\r
- cinfo->codec_format = format;\r
-\r
- return cinfo;\r
-}\r
-\r
-void opj_destroy_compress(opj_cinfo_t *cinfo) {\r
- if(cinfo) {\r
- /* destroy the codec */\r
- switch(cinfo->codec_format) {\r
- case CODEC_J2K:\r
- j2k_destroy_decompress((opj_j2k_t*)cinfo->j2k_handle);\r
- break;\r
- case CODEC_JP2:\r
- jp2_destroy_decompress((opj_jp2_t*)cinfo->jp2_handle);\r
- break;\r
- }\r
- /* destroy the decompressor */\r
- opj_free(cinfo);\r
- }\r
-}\r
-\r
-void opj_set_default_encoder_parameters(opj_cparameters_t *parameters) {\r
- if(parameters) {\r
- memset(parameters, 0, sizeof(opj_cparameters_t));\r
- /* default coding parameters */\r
- parameters->numresolution = 6;\r
- parameters->cblockw_init = 64;\r
- parameters->cblockh_init = 64;\r
- parameters->prog_order = LRCP;\r
- parameters->roi_compno = -1; /* no ROI */\r
- parameters->subsampling_dx = 1;\r
- parameters->subsampling_dy = 1;\r
-\r
- parameters->decod_format = -1;\r
- parameters->cod_format = -1;\r
- }\r
-}\r
-\r
-void opj_setup_encoder(opj_cinfo_t *cinfo, opj_cparameters_t *parameters, opj_image_t *image) {\r
- if(cinfo && parameters && image) {\r
- switch(cinfo->codec_format) {\r
- case CODEC_J2K:\r
- j2k_setup_encoder((opj_j2k_t*)cinfo->j2k_handle, parameters, image);\r
- break;\r
- case CODEC_JP2:\r
- jp2_setup_encoder((opj_jp2_t*)cinfo->jp2_handle, parameters, image);\r
- break;\r
- }\r
- }\r
-}\r
-\r
-bool opj_encode(opj_cinfo_t *cinfo, opj_cio_t *cio, opj_image_t *image, char *index) {\r
- if(cinfo && cio && image) {\r
- switch(cinfo->codec_format) {\r
- case CODEC_J2K:\r
- return j2k_encode((opj_j2k_t*)cinfo->j2k_handle, cio, image, index);\r
- case CODEC_JP2:\r
- return jp2_encode((opj_jp2_t*)cinfo->jp2_handle, cio, image, index);\r
- }\r
- }\r
-\r
- return false;\r
-}\r
-\r
-\r
+/*
+ * Copyright (c) 2005, Hervé Drolon, FreeImage Team
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "opj_includes.h"
+
+const char * opj_version() {
+ return OPENJPEG_VERSION;
+}
+
+opj_dinfo_t* opj_create_decompress(OPJ_CODEC_FORMAT format) {
+ opj_dinfo_t *dinfo = (opj_dinfo_t*)opj_malloc(sizeof(opj_dinfo_t));
+ if(!dinfo) return NULL;
+ dinfo->is_decompressor = true;
+ switch(format) {
+ case CODEC_J2K:
+ case CODEC_JPT:
+ /* get a J2K decoder handle */
+ dinfo->j2k_handle = (void*)j2k_create_decompress((opj_common_ptr)dinfo);
+ if(!dinfo->j2k_handle) {
+ opj_free(dinfo);
+ return NULL;
+ }
+ break;
+ case CODEC_JP2:
+ /* get a JP2 decoder handle */
+ dinfo->jp2_handle = (void*)jp2_create_decompress((opj_common_ptr)dinfo);
+ if(!dinfo->jp2_handle) {
+ opj_free(dinfo);
+ return NULL;
+ }
+ break;
+ default:
+ opj_free(dinfo);
+ return NULL;
+ }
+
+ dinfo->codec_format = format;
+
+ return dinfo;
+}
+
+void opj_destroy_decompress(opj_dinfo_t *dinfo) {
+ if(dinfo) {
+ /* destroy the codec */
+ switch(dinfo->codec_format) {
+ case CODEC_J2K:
+ case CODEC_JPT:
+ j2k_destroy_decompress((opj_j2k_t*)dinfo->j2k_handle);
+ break;
+ case CODEC_JP2:
+ jp2_destroy_decompress((opj_jp2_t*)dinfo->jp2_handle);
+ break;
+ }
+ /* destroy the decompressor */
+ opj_free(dinfo);
+ }
+}
+
+void opj_set_default_decoder_parameters(opj_dparameters_t *parameters) {
+ if(parameters) {
+ memset(parameters, 0, sizeof(opj_dparameters_t));
+ /* default decoding parameters */
+ parameters->cp_layer = 0;
+ parameters->cp_reduce = 0;
+
+ parameters->decod_format = -1;
+ parameters->cod_format = -1;
+ }
+}
+
+void opj_setup_decoder(opj_dinfo_t *dinfo, opj_dparameters_t *parameters) {
+ if(dinfo && parameters) {
+ switch(dinfo->codec_format) {
+ case CODEC_J2K:
+ case CODEC_JPT:
+ j2k_setup_decoder((opj_j2k_t*)dinfo->j2k_handle, parameters);
+ break;
+ case CODEC_JP2:
+ jp2_setup_decoder((opj_jp2_t*)dinfo->jp2_handle, parameters);
+ break;
+ }
+ }
+}
+
+opj_image_t* opj_decode(opj_dinfo_t *dinfo, opj_cio_t *cio) {
+ if(dinfo && cio) {
+ switch(dinfo->codec_format) {
+ case CODEC_J2K:
+ return j2k_decode((opj_j2k_t*)dinfo->j2k_handle, cio);
+ case CODEC_JPT:
+ return j2k_decode_jpt_stream((opj_j2k_t*)dinfo->j2k_handle, cio);
+ case CODEC_JP2:
+ return jp2_decode((opj_jp2_t*)dinfo->jp2_handle, cio);
+ }
+ }
+
+ return NULL;
+}
+
+opj_cinfo_t* opj_create_compress(OPJ_CODEC_FORMAT format) {
+ opj_cinfo_t *cinfo = (opj_cinfo_t*)opj_malloc(sizeof(opj_cinfo_t));
+ if(!cinfo) return NULL;
+ cinfo->is_decompressor = false;
+ switch(format) {
+ case CODEC_J2K:
+ /* get a J2K coder handle */
+ cinfo->j2k_handle = (void*)j2k_create_compress((opj_common_ptr)cinfo);
+ if(!cinfo->j2k_handle) {
+ opj_free(cinfo);
+ return NULL;
+ }
+ break;
+ case CODEC_JP2:
+ /* get a JP2 coder handle */
+ cinfo->jp2_handle = (void*)jp2_create_compress((opj_common_ptr)cinfo);
+ if(!cinfo->jp2_handle) {
+ opj_free(cinfo);
+ return NULL;
+ }
+ break;
+ default:
+ opj_free(cinfo);
+ return NULL;
+ }
+
+ cinfo->codec_format = format;
+
+ return cinfo;
+}
+
+void opj_destroy_compress(opj_cinfo_t *cinfo) {
+ if(cinfo) {
+ /* destroy the codec */
+ switch(cinfo->codec_format) {
+ case CODEC_J2K:
+ j2k_destroy_decompress((opj_j2k_t*)cinfo->j2k_handle);
+ break;
+ case CODEC_JP2:
+ jp2_destroy_decompress((opj_jp2_t*)cinfo->jp2_handle);
+ break;
+ }
+ /* destroy the decompressor */
+ opj_free(cinfo);
+ }
+}
+
+void opj_set_default_encoder_parameters(opj_cparameters_t *parameters) {
+ if(parameters) {
+ memset(parameters, 0, sizeof(opj_cparameters_t));
+ /* default coding parameters */
+ parameters->numresolution = 6;
+ parameters->cblockw_init = 64;
+ parameters->cblockh_init = 64;
+ parameters->prog_order = LRCP;
+ parameters->roi_compno = -1; /* no ROI */
+ parameters->subsampling_dx = 1;
+ parameters->subsampling_dy = 1;
+
+ parameters->decod_format = -1;
+ parameters->cod_format = -1;
+ }
+}
+
+void opj_setup_encoder(opj_cinfo_t *cinfo, opj_cparameters_t *parameters, opj_image_t *image) {
+ if(cinfo && parameters && image) {
+ switch(cinfo->codec_format) {
+ case CODEC_J2K:
+ j2k_setup_encoder((opj_j2k_t*)cinfo->j2k_handle, parameters, image);
+ break;
+ case CODEC_JP2:
+ jp2_setup_encoder((opj_jp2_t*)cinfo->jp2_handle, parameters, image);
+ break;
+ }
+ }
+}
+
+bool opj_encode(opj_cinfo_t *cinfo, opj_cio_t *cio, opj_image_t *image, char *index) {
+ if(cinfo && cio && image) {
+ switch(cinfo->codec_format) {
+ case CODEC_J2K:
+ return j2k_encode((opj_j2k_t*)cinfo->j2k_handle, cio, image, index);
+ case CODEC_JP2:
+ return jp2_encode((opj_jp2_t*)cinfo->jp2_handle, cio, image, index);
+ }
+ }
+
+ return false;
+}
+
+
-/*\r
- * Copyright (c) 2001-2003, David Janssens\r
- * Copyright (c) 2002-2003, Yannick Verschueren\r
- * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe\r
- * Copyright (c) 2005, Hervé Drolon, FreeImage Team\r
- * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium\r
- * All rights reserved.\r
- *\r
- * Redistribution and use in source and binary forms, with or without\r
- * modification, are permitted provided that the following conditions\r
- * are met:\r
- * 1. Redistributions of source code must retain the above copyright\r
- * notice, this list of conditions and the following disclaimer.\r
- * 2. Redistributions in binary form must reproduce the above copyright\r
- * notice, this list of conditions and the following disclaimer in the\r
- * documentation and/or other materials provided with the distribution.\r
- *\r
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'\r
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE\r
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\r
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\r
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\r
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\r
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
- * POSSIBILITY OF SUCH DAMAGE.\r
- */\r
-#ifndef OPENJPEG_H\r
-#define OPENJPEG_H\r
-\r
-#define OPENJPEG_VERSION "1.0.0"\r
-\r
-/* \r
-==========================================================\r
- Compiler directives\r
-==========================================================\r
-*/\r
-#ifndef __cplusplus\r
-#if defined(HAVE_STDBOOL_H)\r
-/*\r
-The C language implementation does correctly provide the standard header\r
-file "stdbool.h".\r
- */\r
-#include <stdbool.h>\r
-#else\r
-/*\r
-The C language implementation does not provide the standard header file\r
-"stdbool.h" as required by ISO/IEC 9899:1999. Try to compensate for this\r
-braindamage below.\r
-*/\r
-#if !defined(bool)\r
-#define bool int\r
-#endif\r
-#if !defined(true)\r
-#define true 1\r
-#endif\r
-#if !defined(false)\r
-#define false 0\r
-#endif\r
-#endif\r
-#endif /* __cplusplus */\r
-\r
-/* \r
-==========================================================\r
- Useful constant definitions\r
-==========================================================\r
-*/\r
-\r
-#ifndef MAX_PATH\r
-#define MAX_PATH 260 /**< Maximum allowed size for filenames */\r
-#endif /* MAX_PATH */\r
-\r
-#define J2K_MAXRLVLS 33 /**< Number of maximum resolution level authorized */\r
-#define J2K_MAXBANDS (3*J2K_MAXRLVLS-2) /**< Number of maximum sub-band linked to number of resolution level */\r
-\r
-/* \r
-==========================================================\r
- enum definitions\r
-==========================================================\r
-*/\r
-\r
-/** Progression order */\r
-typedef enum PROG_ORDER {\r
- PROG_UNKNOWN = -1, /**< place-holder */\r
- LRCP = 0, /**< layer-resolution-component-precinct order */\r
- RLCP = 1, /**< resolution-layer-component-precinct order */\r
- RPCL = 2, /**< resolution-precinct-component-layer order */\r
- PCRL = 3, /**< precinct-component-resolution-layer order */\r
- CPRL = 4 /**< component-precinct-resolution-layer order */\r
-} OPJ_PROG_ORDER;\r
-\r
-/**\r
-Supported image color spaces\r
-*/\r
-typedef enum COLOR_SPACE {\r
- CLRSPC_UNKNOWN = -1, /**< place-holder */\r
- CLRSPC_SRGB = 1, /**< sRGB */\r
- CLRSPC_GRAY = 2, /**< grayscale */\r
- CLRSPC_SYCC = 3 /**< YUV */\r
-} OPJ_COLOR_SPACE;\r
-\r
-/**\r
-Supported codec\r
-*/\r
-typedef enum CODEC_FORMAT {\r
- CODEC_UNKNOWN = -1, /**< place-holder */\r
- CODEC_J2K = 0, /**< JPEG-2000 codestream : read/write */\r
- CODEC_JPT = 1, /**< JPT-stream (JPEG 2000, JPIP) : read only */\r
- CODEC_JP2 = 2 /**< JPEG-2000 file format : read/write */\r
-} OPJ_CODEC_FORMAT;\r
-\r
-/* \r
-==========================================================\r
- event manager typedef definitions\r
-==========================================================\r
-*/\r
-\r
-/**\r
-Callback function prototype for events\r
-@param msg Event message\r
-@param client_data \r
-*/\r
-typedef void (*opj_msg_callback) (const char *msg, void *client_data);\r
-\r
-/**\r
-Message handler object\r
-used for \r
-<ul>\r
-<li>Error messages\r
-<li>Warning messages\r
-<li>Debugging messages\r
-</ul>\r
-*/\r
-typedef struct opj_event_mgr {\r
- /** Error message callback if available, NULL otherwise */\r
- opj_msg_callback error_handler;\r
- /** Warning message callback if available, NULL otherwise */\r
- opj_msg_callback warning_handler;\r
- /** Debug message callback if available, NULL otherwise */\r
- opj_msg_callback info_handler;\r
-} opj_event_mgr_t;\r
-\r
-\r
-/* \r
-==========================================================\r
- codec typedef definitions\r
-==========================================================\r
-*/\r
-\r
-/**\r
-Progression order changes\r
-*/\r
-typedef struct opj_poc {\r
- int resno0, compno0;\r
- int layno1, resno1, compno1;\r
- OPJ_PROG_ORDER prg;\r
- int tile;\r
- char progorder[4];\r
-} opj_poc_t;\r
-\r
-/**\r
-Compression parameters\r
-*/\r
-typedef struct opj_cparameters {\r
- /** size of tile: tile_size_on = false (not in argument) or = true (in argument) */\r
- bool tile_size_on;\r
- /** XTOsiz */\r
- int cp_tx0;\r
- /** YTOsiz */\r
- int cp_ty0;\r
- /** XTsiz */\r
- int cp_tdx;\r
- /** YTsiz */\r
- int cp_tdy;\r
- /** allocation by rate/distortion */\r
- int cp_disto_alloc;\r
- /** allocation by fixed layer */\r
- int cp_fixed_alloc;\r
- /** add fixed_quality */\r
- int cp_fixed_quality;\r
- /** fixed layer */\r
- int *cp_matrice;\r
- /** comment for coding */\r
- char *cp_comment;\r
- /** csty : coding style */\r
- int csty;\r
- /** progression order (default LRCP) */\r
- OPJ_PROG_ORDER prog_order;\r
- /** progression order changes */\r
- opj_poc_t POC[32];\r
- /** number of progression order changes (POC), default to 0 */\r
- int numpocs;\r
- /** number of layers */\r
- int tcp_numlayers;\r
- /** rates of layers */\r
- int tcp_rates[100];\r
- /** different psnr for successive layers */\r
- float tcp_distoratio[100];\r
- /** number of resolutions */\r
- int numresolution;\r
- /** initial code block width, default to 64 */\r
- int cblockw_init;\r
- /** initial code block height, default to 64 */\r
- int cblockh_init;\r
- /** mode switch (cblk_style) */\r
- int mode;\r
- /** 1 : use the irreversible DWT 9-7, 0 : use lossless compression (default) */\r
- int irreversible;\r
- /** region of interest: affected component in [0..3], -1 means no ROI */\r
- int roi_compno;\r
- /** region of interest: upshift value */\r
- int roi_shift;\r
- /* number of precinct size specifications */\r
- int res_spec;\r
- /** initial precinct width */\r
- int prcw_init[J2K_MAXRLVLS];\r
- /** initial precinct height */\r
- int prch_init[J2K_MAXRLVLS];\r
-\r
- /**@name command line encoder parameters (not used inside the library) */\r
- /*@{*/\r
- /** input file name */\r
- char infile[MAX_PATH];\r
- /** output file name */\r
- char outfile[MAX_PATH];\r
- /** creation of an index file, default to 0 (false) */\r
- int index_on;\r
- /** index file name */\r
- char index[MAX_PATH];\r
- /** subimage encoding: origin image offset in x direction */\r
- int image_offset_x0;\r
- /** subimage encoding: origin image offset in y direction */\r
- int image_offset_y0;\r
- /** subsampling value for dx */\r
- int subsampling_dx;\r
- /** subsampling value for dy */\r
- int subsampling_dy;\r
- /** input file format 0: PGX, 1: PxM, 2: BMP */\r
- int decod_format;\r
- /** output file format 0: J2K, 1: JP2, 2: JPT */\r
- int cod_format;\r
- /*@}*/\r
-} opj_cparameters_t;\r
-\r
-/**\r
-Decompression parameters\r
-*/\r
-typedef struct opj_dparameters {\r
- /** \r
- Set the number of highest resolution levels to be discarded. \r
- The image resolution is effectively divided by 2 to the power of the number of discarded levels. \r
- The reduce factor is limited by the smallest total number of decomposition levels among tiles.\r
- if != 0, then original dimension divided by 2^(reduce); \r
- if == 0 or not used, image is decoded to the full resolution \r
- */\r
- int cp_reduce;\r
- /** \r
- Set the maximum number of quality layers to decode. \r
- If there are less quality layers than the specified number, all the quality layers are decoded.\r
- if != 0, then only the first "layer" layers are decoded; \r
- if == 0 or not used, all the quality layers are decoded \r
- */\r
- int cp_layer;\r
-\r
- /**@name command line encoder parameters (not used inside the library) */\r
- /*@{*/\r
- /** input file name */\r
- char infile[MAX_PATH];\r
- /** output file name */\r
- char outfile[MAX_PATH];\r
- /** input file format 0: J2K, 1: JP2, 2: JPT */\r
- int decod_format;\r
- /** output file format 0: PGX, 1: PxM, 2: BMP */\r
- int cod_format;\r
- /*@}*/\r
-} opj_dparameters_t;\r
-\r
-/** Common fields between JPEG-2000 compression and decompression master structs. */\r
-\r
-#define opj_common_fields \\r
- opj_event_mgr_t *event_mgr; /**< pointer to the event manager */\\r
- void * client_data; /**< Available for use by application */\\r
- bool is_decompressor; /**< So common code can tell which is which */\\r
- OPJ_CODEC_FORMAT codec_format; /**< selected codec */\\r
- void *j2k_handle; /**< pointer to the J2K codec */\\r
- void *jp2_handle /**< pointer to the JP2 codec */\r
- \r
-/* Routines that are to be used by both halves of the library are declared\r
- * to receive a pointer to this structure. There are no actual instances of\r
- * opj_common_struct_t, only of opj_cinfo_t and opj_dinfo_t.\r
- */\r
-typedef struct opj_common_struct {\r
- opj_common_fields; /* Fields common to both master struct types */\r
- /* Additional fields follow in an actual opj_cinfo_t or\r
- * opj_dinfo_t. All three structs must agree on these\r
- * initial fields! (This would be a lot cleaner in C++.)\r
- */\r
-} opj_common_struct_t;\r
-\r
-typedef opj_common_struct_t * opj_common_ptr;\r
-\r
-/**\r
-Compression context info\r
-*/\r
-typedef struct opj_cinfo {\r
- /** Fields shared with opj_dinfo_t */\r
- opj_common_fields; \r
- /* other specific fields go here */\r
-} opj_cinfo_t;\r
-\r
-/**\r
-Decompression context info\r
-*/\r
-typedef struct opj_dinfo {\r
- /** Fields shared with opj_cinfo_t */\r
- opj_common_fields; \r
- /* other specific fields go here */\r
-} opj_dinfo_t;\r
-\r
-/* \r
-==========================================================\r
- I/O stream typedef definitions\r
-==========================================================\r
-*/\r
-\r
-/*\r
- * Stream open flags.\r
- */\r
-/** The stream was opened for reading. */\r
-#define OPJ_STREAM_READ 0x0001\r
-/** The stream was opened for writing. */\r
-#define OPJ_STREAM_WRITE 0x0002\r
-\r
-/**\r
-Byte input-output stream (CIO)\r
-*/\r
-typedef struct opj_cio {\r
- /** codec context */\r
- opj_common_ptr cinfo;\r
-\r
- /** open mode (read/write) either OPJ_STREAM_READ or OPJ_STREAM_WRITE */\r
- int openmode;\r
- /** pointer to the start of the buffer */\r
- unsigned char *buffer;\r
- /** buffer size in bytes */\r
- int length;\r
-\r
- /** pointer to the start of the stream */\r
- unsigned char *start;\r
- /** pointer to the end of the stream */\r
- unsigned char *end;\r
- /** pointer to the current position */\r
- unsigned char *bp;\r
-} opj_cio_t;\r
-\r
-/* \r
-==========================================================\r
- image typedef definitions\r
-==========================================================\r
-*/\r
-\r
-/**\r
-Defines a single image component\r
-*/\r
-typedef struct opj_image_comp {\r
- /** XRsiz: horizontal separation of a sample of ith component with respect to the reference grid */\r
- int dx;\r
- /** YRsiz: vertical separation of a sample of ith component with respect to the reference grid */\r
- int dy;\r
- /** data width */\r
- int w;\r
- /** data height */\r
- int h;\r
- /** x component offset compared to the whole image */\r
- int x0;\r
- /** y component offset compared to the whole image */\r
- int y0;\r
- /** precision */\r
- int prec;\r
- /** image depth in bits */\r
- int bpp;\r
- /** signed (1) / unsigned (0) */\r
- int sgnd;\r
- /** number of decoded resolution */\r
- int resno_decoded;\r
- /** number of division by 2 of the out image compared to the original size of image */\r
- int factor;\r
- /** image component data */\r
- int *data;\r
-} opj_image_comp_t;\r
-\r
-/** \r
-Defines image data and characteristics\r
-*/\r
-typedef struct opj_image {\r
- /** XOsiz: horizontal offset from the origin of the reference grid to the left side of the image area */\r
- int x0;\r
- /** YOsiz: vertical offset from the origin of the reference grid to the top side of the image area */\r
- int y0;\r
- /** Xsiz: width of the reference grid */\r
- int x1;\r
- /** Ysiz: height of the reference grid */\r
- int y1;\r
- /** number of components in the image */\r
- int numcomps;\r
- /** color space: sRGB, Greyscale or YUV */\r
- OPJ_COLOR_SPACE color_space;\r
- /** image components */\r
- opj_image_comp_t *comps;\r
-} opj_image_t;\r
-\r
-/**\r
-Component parameters structure used by the opj_image_create function\r
-*/\r
-typedef struct opj_image_comptparm {\r
- /** XRsiz: horizontal separation of a sample of ith component with respect to the reference grid */\r
- int dx;\r
- /** YRsiz: vertical separation of a sample of ith component with respect to the reference grid */\r
- int dy;\r
- /** data width */\r
- int w;\r
- /** data height */\r
- int h;\r
- /** x component offset compared to the whole image */\r
- int x0;\r
- /** y component offset compared to the whole image */\r
- int y0;\r
- /** precision */\r
- int prec;\r
- /** image depth in bits */\r
- int bpp;\r
- /** signed (1) / unsigned (0) */\r
- int sgnd;\r
-} opj_image_cmptparm_t;\r
-\r
-#ifdef __cplusplus\r
-extern "C" {\r
-#endif\r
-\r
-\r
-/* \r
-==========================================================\r
- openjpeg version\r
-==========================================================\r
-*/\r
-\r
-const char * opj_version();\r
-\r
-/* \r
-==========================================================\r
- image functions definitions\r
-==========================================================\r
-*/\r
-\r
-/**\r
-Create an image\r
-@param numcmpts number of components\r
-@param cmptparms components parameters\r
-@param clrspc image color space\r
-@return returns a new image structure if successful, returns NULL otherwise\r
-*/\r
-opj_image_t *opj_image_create(int numcmpts, opj_image_cmptparm_t *cmptparms, OPJ_COLOR_SPACE clrspc);\r
-\r
-/**\r
-Deallocate any resources associated with an image\r
-@param image image to be destroyed\r
-*/\r
-void opj_image_destroy(opj_image_t *image);\r
-\r
-/* \r
-==========================================================\r
- stream functions definitions\r
-==========================================================\r
-*/\r
-\r
-/**\r
-Open and allocate a memory stream for read / write. \r
-On reading, the user must provide a buffer containing encoded data. The buffer will be \r
-wrapped by the returned CIO handle. \r
-On writing, buffer parameters must be set to 0: a buffer will be allocated by the library \r
-to contain encoded data. \r
-@param cinfo Codec context info\r
-@param buffer Reading: buffer address. Writing: NULL\r
-@param length Reading: buffer length. Writing: 0\r
-@return Returns a CIO handle if successful, returns NULL otherwise\r
-*/\r
-opj_cio_t* opj_cio_open(opj_common_ptr cinfo, unsigned char *buffer, int length);\r
-\r
-/**\r
-Close and free a CIO handle\r
-@param cio CIO handle to free\r
-*/\r
-void opj_cio_close(opj_cio_t *cio);\r
-\r
-/**\r
-Get position in byte stream\r
-@param cio CIO handle\r
-@return Returns the position in bytes\r
-*/\r
-int cio_tell(opj_cio_t *cio);\r
-/**\r
-Set position in byte stream\r
-@param cio CIO handle\r
-@param pos Position, in number of bytes, from the beginning of the stream\r
-*/\r
-void cio_seek(opj_cio_t *cio, int pos);\r
-\r
-/* \r
-==========================================================\r
- event manager functions definitions\r
-==========================================================\r
-*/\r
-\r
-opj_event_mgr_t* opj_set_event_mgr(opj_common_ptr cinfo, opj_event_mgr_t *event_mgr, void *context);\r
-\r
-/* \r
-==========================================================\r
- codec functions definitions\r
-==========================================================\r
-*/\r
-/**\r
-Creates a J2K/JPT/JP2 decompression structure\r
-@param format Decoder to select\r
-@return Returns a handle to a decompressor if successful, returns NULL otherwise\r
-*/\r
-opj_dinfo_t* opj_create_decompress(OPJ_CODEC_FORMAT format);\r
-/**\r
-Destroy a decompressor handle\r
-@param dinfo decompressor handle to destroy\r
-*/\r
-void opj_destroy_decompress(opj_dinfo_t *dinfo);\r
-/**\r
-Set decoding parameters to default values\r
-@param parameters Decompression parameters\r
-*/\r
-void opj_set_default_decoder_parameters(opj_dparameters_t *parameters);\r
-/**\r
-Setup the decoder decoding parameters using user parameters.\r
-Decoding parameters are returned in j2k->cp. \r
-@param dinfo decompressor handle\r
-@param parameters decompression parameters\r
-*/\r
-void opj_setup_decoder(opj_dinfo_t *dinfo, opj_dparameters_t *parameters);\r
-/**\r
-Decode an image from a JPEG-2000 codestream\r
-@param dinfo decompressor handle\r
-@param cio Input buffer stream\r
-@return Returns a decoded image if successful, returns NULL otherwise\r
-*/\r
-opj_image_t* opj_decode(opj_dinfo_t *dinfo, opj_cio_t *cio);\r
-/**\r
-Creates a J2K/JP2 compression structure\r
-@param format Coder to select\r
-@return Returns a handle to a compressor if successful, returns NULL otherwise\r
-*/\r
-opj_cinfo_t* opj_create_compress(OPJ_CODEC_FORMAT format);\r
-/**\r
-Destroy a compressor handle\r
-@param cinfo compressor handle to destroy\r
-*/\r
-void opj_destroy_compress(opj_cinfo_t *cinfo);\r
-/**\r
-Set encoding parameters to default values, that means : \r
-<ul>\r
-<li>Lossless\r
-<li>1 tile\r
-<li>Size of precinct : 2^15 x 2^15 (means 1 precinct)\r
-<li>Size of code-block : 64 x 64\r
-<li>Number of resolutions: 6\r
-<li>No SOP marker in the codestream\r
-<li>No EPH marker in the codestream\r
-<li>No sub-sampling in x or y direction\r
-<li>No mode switch activated\r
-<li>Progression order: LRCP\r
-<li>No index file\r
-<li>No ROI upshifted\r
-<li>No offset of the origin of the image\r
-<li>No offset of the origin of the tiles\r
-<li>Reversible DWT 5-3\r
-</ul>\r
-@param parameters Compression parameters\r
-*/\r
-void opj_set_default_encoder_parameters(opj_cparameters_t *parameters);\r
-/**\r
-Setup the encoder parameters using the current image and using user parameters. \r
-@param cinfo compressor handle\r
-@param parameters compression parameters\r
-@param image input filled image\r
-*/\r
-void opj_setup_encoder(opj_cinfo_t *cinfo, opj_cparameters_t *parameters, opj_image_t *image);\r
-/**\r
-Encode an image into a JPEG-2000 codestream\r
-@param cinfo compressor handle\r
-@param cio Output buffer stream\r
-@param image Image to encode\r
-@param index Name of the index file if required, NULL otherwise\r
-@return Returns true if successful, returns false otherwise\r
-*/\r
-bool opj_encode(opj_cinfo_t *cinfo, opj_cio_t *cio, opj_image_t *image, char *index);\r
-\r
-#ifdef __cplusplus\r
-}\r
-#endif\r
-\r
-#endif /* OPENJPEG_H */\r
+/*
+ * Copyright (c) 2001-2003, David Janssens
+ * Copyright (c) 2002-2003, Yannick Verschueren
+ * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
+ * Copyright (c) 2005, Hervé Drolon, FreeImage Team
+ * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef OPENJPEG_H
+#define OPENJPEG_H
+
+#define OPENJPEG_VERSION "1.0.0"
+
+/*
+==========================================================
+ Compiler directives
+==========================================================
+*/
+#ifndef __cplusplus
+#if defined(HAVE_STDBOOL_H)
+/*
+The C language implementation does correctly provide the standard header
+file "stdbool.h".
+ */
+#include <stdbool.h>
+#else
+/*
+The C language implementation does not provide the standard header file
+"stdbool.h" as required by ISO/IEC 9899:1999. Try to compensate for this
+braindamage below.
+*/
+#if !defined(bool)
+#define bool int
+#endif
+#if !defined(true)
+#define true 1
+#endif
+#if !defined(false)
+#define false 0
+#endif
+#endif
+#endif /* __cplusplus */
+
+/*
+==========================================================
+ Useful constant definitions
+==========================================================
+*/
+
+#ifndef MAX_PATH
+#define MAX_PATH 260 /**< Maximum allowed size for filenames */
+#endif /* MAX_PATH */
+
+#define J2K_MAXRLVLS 33 /**< Number of maximum resolution level authorized */
+#define J2K_MAXBANDS (3*J2K_MAXRLVLS-2) /**< Number of maximum sub-band linked to number of resolution level */
+
+/*
+==========================================================
+ enum definitions
+==========================================================
+*/
+
+/** Progression order */
+typedef enum PROG_ORDER {
+ PROG_UNKNOWN = -1, /**< place-holder */
+ LRCP = 0, /**< layer-resolution-component-precinct order */
+ RLCP = 1, /**< resolution-layer-component-precinct order */
+ RPCL = 2, /**< resolution-precinct-component-layer order */
+ PCRL = 3, /**< precinct-component-resolution-layer order */
+ CPRL = 4 /**< component-precinct-resolution-layer order */
+} OPJ_PROG_ORDER;
+
+/**
+Supported image color spaces
+*/
+typedef enum COLOR_SPACE {
+ CLRSPC_UNKNOWN = -1, /**< place-holder */
+ CLRSPC_SRGB = 1, /**< sRGB */
+ CLRSPC_GRAY = 2, /**< grayscale */
+ CLRSPC_SYCC = 3 /**< YUV */
+} OPJ_COLOR_SPACE;
+
+/**
+Supported codec
+*/
+typedef enum CODEC_FORMAT {
+ CODEC_UNKNOWN = -1, /**< place-holder */
+ CODEC_J2K = 0, /**< JPEG-2000 codestream : read/write */
+ CODEC_JPT = 1, /**< JPT-stream (JPEG 2000, JPIP) : read only */
+ CODEC_JP2 = 2 /**< JPEG-2000 file format : read/write */
+} OPJ_CODEC_FORMAT;
+
+/*
+==========================================================
+ event manager typedef definitions
+==========================================================
+*/
+
+/**
+Callback function prototype for events
+@param msg Event message
+@param client_data
+*/
+typedef void (*opj_msg_callback) (const char *msg, void *client_data);
+
+/**
+Message handler object
+used for
+<ul>
+<li>Error messages
+<li>Warning messages
+<li>Debugging messages
+</ul>
+*/
+typedef struct opj_event_mgr {
+ /** Error message callback if available, NULL otherwise */
+ opj_msg_callback error_handler;
+ /** Warning message callback if available, NULL otherwise */
+ opj_msg_callback warning_handler;
+ /** Debug message callback if available, NULL otherwise */
+ opj_msg_callback info_handler;
+} opj_event_mgr_t;
+
+
+/*
+==========================================================
+ codec typedef definitions
+==========================================================
+*/
+
+/**
+Progression order changes
+*/
+typedef struct opj_poc {
+ int resno0, compno0;
+ int layno1, resno1, compno1;
+ OPJ_PROG_ORDER prg;
+ int tile;
+ char progorder[4];
+} opj_poc_t;
+
+/**
+Compression parameters
+*/
+typedef struct opj_cparameters {
+ /** size of tile: tile_size_on = false (not in argument) or = true (in argument) */
+ bool tile_size_on;
+ /** XTOsiz */
+ int cp_tx0;
+ /** YTOsiz */
+ int cp_ty0;
+ /** XTsiz */
+ int cp_tdx;
+ /** YTsiz */
+ int cp_tdy;
+ /** allocation by rate/distortion */
+ int cp_disto_alloc;
+ /** allocation by fixed layer */
+ int cp_fixed_alloc;
+ /** add fixed_quality */
+ int cp_fixed_quality;
+ /** fixed layer */
+ int *cp_matrice;
+ /** comment for coding */
+ char *cp_comment;
+ /** csty : coding style */
+ int csty;
+ /** progression order (default LRCP) */
+ OPJ_PROG_ORDER prog_order;
+ /** progression order changes */
+ opj_poc_t POC[32];
+ /** number of progression order changes (POC), default to 0 */
+ int numpocs;
+ /** number of layers */
+ int tcp_numlayers;
+ /** rates of layers */
+ int tcp_rates[100];
+ /** different psnr for successive layers */
+ float tcp_distoratio[100];
+ /** number of resolutions */
+ int numresolution;
+ /** initial code block width, default to 64 */
+ int cblockw_init;
+ /** initial code block height, default to 64 */
+ int cblockh_init;
+ /** mode switch (cblk_style) */
+ int mode;
+ /** 1 : use the irreversible DWT 9-7, 0 : use lossless compression (default) */
+ int irreversible;
+ /** region of interest: affected component in [0..3], -1 means no ROI */
+ int roi_compno;
+ /** region of interest: upshift value */
+ int roi_shift;
+ /* number of precinct size specifications */
+ int res_spec;
+ /** initial precinct width */
+ int prcw_init[J2K_MAXRLVLS];
+ /** initial precinct height */
+ int prch_init[J2K_MAXRLVLS];
+
+ /**@name command line encoder parameters (not used inside the library) */
+ /*@{*/
+ /** input file name */
+ char infile[MAX_PATH];
+ /** output file name */
+ char outfile[MAX_PATH];
+ /** creation of an index file, default to 0 (false) */
+ int index_on;
+ /** index file name */
+ char index[MAX_PATH];
+ /** subimage encoding: origin image offset in x direction */
+ int image_offset_x0;
+ /** subimage encoding: origin image offset in y direction */
+ int image_offset_y0;
+ /** subsampling value for dx */
+ int subsampling_dx;
+ /** subsampling value for dy */
+ int subsampling_dy;
+ /** input file format 0: PGX, 1: PxM, 2: BMP */
+ int decod_format;
+ /** output file format 0: J2K, 1: JP2, 2: JPT */
+ int cod_format;
+ /*@}*/
+} opj_cparameters_t;
+
+/**
+Decompression parameters
+*/
+typedef struct opj_dparameters {
+ /**
+ Set the number of highest resolution levels to be discarded.
+ The image resolution is effectively divided by 2 to the power of the number of discarded levels.
+ The reduce factor is limited by the smallest total number of decomposition levels among tiles.
+ if != 0, then original dimension divided by 2^(reduce);
+ if == 0 or not used, image is decoded to the full resolution
+ */
+ int cp_reduce;
+ /**
+ Set the maximum number of quality layers to decode.
+ If there are less quality layers than the specified number, all the quality layers are decoded.
+ if != 0, then only the first "layer" layers are decoded;
+ if == 0 or not used, all the quality layers are decoded
+ */
+ int cp_layer;
+
+ /**@name command line encoder parameters (not used inside the library) */
+ /*@{*/
+ /** input file name */
+ char infile[MAX_PATH];
+ /** output file name */
+ char outfile[MAX_PATH];
+ /** input file format 0: J2K, 1: JP2, 2: JPT */
+ int decod_format;
+ /** output file format 0: PGX, 1: PxM, 2: BMP */
+ int cod_format;
+ /*@}*/
+} opj_dparameters_t;
+
+/** Common fields between JPEG-2000 compression and decompression master structs. */
+
+#define opj_common_fields \
+ opj_event_mgr_t *event_mgr; /**< pointer to the event manager */\
+ void * client_data; /**< Available for use by application */\
+ bool is_decompressor; /**< So common code can tell which is which */\
+ OPJ_CODEC_FORMAT codec_format; /**< selected codec */\
+ void *j2k_handle; /**< pointer to the J2K codec */\
+ void *jp2_handle /**< pointer to the JP2 codec */
+
+/* Routines that are to be used by both halves of the library are declared
+ * to receive a pointer to this structure. There are no actual instances of
+ * opj_common_struct_t, only of opj_cinfo_t and opj_dinfo_t.
+ */
+typedef struct opj_common_struct {
+ opj_common_fields; /* Fields common to both master struct types */
+ /* Additional fields follow in an actual opj_cinfo_t or
+ * opj_dinfo_t. All three structs must agree on these
+ * initial fields! (This would be a lot cleaner in C++.)
+ */
+} opj_common_struct_t;
+
+typedef opj_common_struct_t * opj_common_ptr;
+
+/**
+Compression context info
+*/
+typedef struct opj_cinfo {
+ /** Fields shared with opj_dinfo_t */
+ opj_common_fields;
+ /* other specific fields go here */
+} opj_cinfo_t;
+
+/**
+Decompression context info
+*/
+typedef struct opj_dinfo {
+ /** Fields shared with opj_cinfo_t */
+ opj_common_fields;
+ /* other specific fields go here */
+} opj_dinfo_t;
+
+/*
+==========================================================
+ I/O stream typedef definitions
+==========================================================
+*/
+
+/*
+ * Stream open flags.
+ */
+/** The stream was opened for reading. */
+#define OPJ_STREAM_READ 0x0001
+/** The stream was opened for writing. */
+#define OPJ_STREAM_WRITE 0x0002
+
+/**
+Byte input-output stream (CIO)
+*/
+typedef struct opj_cio {
+ /** codec context */
+ opj_common_ptr cinfo;
+
+ /** open mode (read/write) either OPJ_STREAM_READ or OPJ_STREAM_WRITE */
+ int openmode;
+ /** pointer to the start of the buffer */
+ unsigned char *buffer;
+ /** buffer size in bytes */
+ int length;
+
+ /** pointer to the start of the stream */
+ unsigned char *start;
+ /** pointer to the end of the stream */
+ unsigned char *end;
+ /** pointer to the current position */
+ unsigned char *bp;
+} opj_cio_t;
+
+/*
+==========================================================
+ image typedef definitions
+==========================================================
+*/
+
+/**
+Defines a single image component
+*/
+typedef struct opj_image_comp {
+ /** XRsiz: horizontal separation of a sample of ith component with respect to the reference grid */
+ int dx;
+ /** YRsiz: vertical separation of a sample of ith component with respect to the reference grid */
+ int dy;
+ /** data width */
+ int w;
+ /** data height */
+ int h;
+ /** x component offset compared to the whole image */
+ int x0;
+ /** y component offset compared to the whole image */
+ int y0;
+ /** precision */
+ int prec;
+ /** image depth in bits */
+ int bpp;
+ /** signed (1) / unsigned (0) */
+ int sgnd;
+ /** number of decoded resolution */
+ int resno_decoded;
+ /** number of division by 2 of the out image compared to the original size of image */
+ int factor;
+ /** image component data */
+ int *data;
+} opj_image_comp_t;
+
+/**
+Defines image data and characteristics
+*/
+typedef struct opj_image {
+ /** XOsiz: horizontal offset from the origin of the reference grid to the left side of the image area */
+ int x0;
+ /** YOsiz: vertical offset from the origin of the reference grid to the top side of the image area */
+ int y0;
+ /** Xsiz: width of the reference grid */
+ int x1;
+ /** Ysiz: height of the reference grid */
+ int y1;
+ /** number of components in the image */
+ int numcomps;
+ /** color space: sRGB, Greyscale or YUV */
+ OPJ_COLOR_SPACE color_space;
+ /** image components */
+ opj_image_comp_t *comps;
+} opj_image_t;
+
+/**
+Component parameters structure used by the opj_image_create function
+*/
+typedef struct opj_image_comptparm {
+ /** XRsiz: horizontal separation of a sample of ith component with respect to the reference grid */
+ int dx;
+ /** YRsiz: vertical separation of a sample of ith component with respect to the reference grid */
+ int dy;
+ /** data width */
+ int w;
+ /** data height */
+ int h;
+ /** x component offset compared to the whole image */
+ int x0;
+ /** y component offset compared to the whole image */
+ int y0;
+ /** precision */
+ int prec;
+ /** image depth in bits */
+ int bpp;
+ /** signed (1) / unsigned (0) */
+ int sgnd;
+} opj_image_cmptparm_t;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/*
+==========================================================
+ openjpeg version
+==========================================================
+*/
+
+const char * opj_version();
+
+/*
+==========================================================
+ image functions definitions
+==========================================================
+*/
+
+/**
+Create an image
+@param numcmpts number of components
+@param cmptparms components parameters
+@param clrspc image color space
+@return returns a new image structure if successful, returns NULL otherwise
+*/
+opj_image_t *opj_image_create(int numcmpts, opj_image_cmptparm_t *cmptparms, OPJ_COLOR_SPACE clrspc);
+
+/**
+Deallocate any resources associated with an image
+@param image image to be destroyed
+*/
+void opj_image_destroy(opj_image_t *image);
+
+/*
+==========================================================
+ stream functions definitions
+==========================================================
+*/
+
+/**
+Open and allocate a memory stream for read / write.
+On reading, the user must provide a buffer containing encoded data. The buffer will be
+wrapped by the returned CIO handle.
+On writing, buffer parameters must be set to 0: a buffer will be allocated by the library
+to contain encoded data.
+@param cinfo Codec context info
+@param buffer Reading: buffer address. Writing: NULL
+@param length Reading: buffer length. Writing: 0
+@return Returns a CIO handle if successful, returns NULL otherwise
+*/
+opj_cio_t* opj_cio_open(opj_common_ptr cinfo, unsigned char *buffer, int length);
+
+/**
+Close and free a CIO handle
+@param cio CIO handle to free
+*/
+void opj_cio_close(opj_cio_t *cio);
+
+/**
+Get position in byte stream
+@param cio CIO handle
+@return Returns the position in bytes
+*/
+int cio_tell(opj_cio_t *cio);
+/**
+Set position in byte stream
+@param cio CIO handle
+@param pos Position, in number of bytes, from the beginning of the stream
+*/
+void cio_seek(opj_cio_t *cio, int pos);
+
+/*
+==========================================================
+ event manager functions definitions
+==========================================================
+*/
+
+opj_event_mgr_t* opj_set_event_mgr(opj_common_ptr cinfo, opj_event_mgr_t *event_mgr, void *context);
+
+/*
+==========================================================
+ codec functions definitions
+==========================================================
+*/
+/**
+Creates a J2K/JPT/JP2 decompression structure
+@param format Decoder to select
+@return Returns a handle to a decompressor if successful, returns NULL otherwise
+*/
+opj_dinfo_t* opj_create_decompress(OPJ_CODEC_FORMAT format);
+/**
+Destroy a decompressor handle
+@param dinfo decompressor handle to destroy
+*/
+void opj_destroy_decompress(opj_dinfo_t *dinfo);
+/**
+Set decoding parameters to default values
+@param parameters Decompression parameters
+*/
+void opj_set_default_decoder_parameters(opj_dparameters_t *parameters);
+/**
+Setup the decoder decoding parameters using user parameters.
+Decoding parameters are returned in j2k->cp.
+@param dinfo decompressor handle
+@param parameters decompression parameters
+*/
+void opj_setup_decoder(opj_dinfo_t *dinfo, opj_dparameters_t *parameters);
+/**
+Decode an image from a JPEG-2000 codestream
+@param dinfo decompressor handle
+@param cio Input buffer stream
+@return Returns a decoded image if successful, returns NULL otherwise
+*/
+opj_image_t* opj_decode(opj_dinfo_t *dinfo, opj_cio_t *cio);
+/**
+Creates a J2K/JP2 compression structure
+@param format Coder to select
+@return Returns a handle to a compressor if successful, returns NULL otherwise
+*/
+opj_cinfo_t* opj_create_compress(OPJ_CODEC_FORMAT format);
+/**
+Destroy a compressor handle
+@param cinfo compressor handle to destroy
+*/
+void opj_destroy_compress(opj_cinfo_t *cinfo);
+/**
+Set encoding parameters to default values, that means :
+<ul>
+<li>Lossless
+<li>1 tile
+<li>Size of precinct : 2^15 x 2^15 (means 1 precinct)
+<li>Size of code-block : 64 x 64
+<li>Number of resolutions: 6
+<li>No SOP marker in the codestream
+<li>No EPH marker in the codestream
+<li>No sub-sampling in x or y direction
+<li>No mode switch activated
+<li>Progression order: LRCP
+<li>No index file
+<li>No ROI upshifted
+<li>No offset of the origin of the image
+<li>No offset of the origin of the tiles
+<li>Reversible DWT 5-3
+</ul>
+@param parameters Compression parameters
+*/
+void opj_set_default_encoder_parameters(opj_cparameters_t *parameters);
+/**
+Setup the encoder parameters using the current image and using user parameters.
+@param cinfo compressor handle
+@param parameters compression parameters
+@param image input filled image
+*/
+void opj_setup_encoder(opj_cinfo_t *cinfo, opj_cparameters_t *parameters, opj_image_t *image);
+/**
+Encode an image into a JPEG-2000 codestream
+@param cinfo compressor handle
+@param cio Output buffer stream
+@param image Image to encode
+@param index Name of the index file if required, NULL otherwise
+@return Returns true if successful, returns false otherwise
+*/
+bool opj_encode(opj_cinfo_t *cinfo, opj_cio_t *cio, opj_image_t *image, char *index);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* OPENJPEG_H */
-/*\r
- * Copyright (c) 2005, Hervé Drolon, FreeImage Team\r
- * All rights reserved.\r
- *\r
- * Redistribution and use in source and binary forms, with or without\r
- * modification, are permitted provided that the following conditions\r
- * are met:\r
- * 1. Redistributions of source code must retain the above copyright\r
- * notice, this list of conditions and the following disclaimer.\r
- * 2. Redistributions in binary form must reproduce the above copyright\r
- * notice, this list of conditions and the following disclaimer in the\r
- * documentation and/or other materials provided with the distribution.\r
- *\r
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'\r
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE\r
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\r
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\r
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\r
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\r
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
- * POSSIBILITY OF SUCH DAMAGE.\r
- */\r
-#ifndef OPJ_INCLUDES_H\r
-#define OPJ_INCLUDES_H\r
-\r
-/*\r
- ==========================================================\r
- Standard includes used by the library\r
- ==========================================================\r
-*/\r
-#include <memory.h>\r
-#include <stdlib.h>\r
-#include <string.h>\r
-#include <math.h>\r
-#include <float.h>\r
-#include <time.h>\r
-#include <stdio.h>\r
-#include <stdarg.h>\r
-#include <ctype.h>\r
-\r
-/*\r
- ==========================================================\r
- OpenJPEG interface\r
- ==========================================================\r
- */\r
-#include "openjpeg.h"\r
-\r
-/*\r
- ==========================================================\r
- OpenJPEG modules\r
- ==========================================================\r
-*/\r
-\r
-#include "j2k_lib.h"\r
-#include "event.h"\r
-#include "cio.h"\r
-\r
-#include "image.h"\r
-#include "j2k.h"\r
-#include "jp2.h"\r
-#include "jpt.h"\r
-\r
-#include "mqc.h"\r
-#include "raw.h"\r
-#include "bio.h"\r
-#include "tgt.h"\r
-#include "tcd.h"\r
-#include "t1.h"\r
-#include "dwt.h"\r
-#include "pi.h"\r
-#include "t2.h"\r
-#include "mct.h"\r
-#include "int.h"\r
-#include "fix.h"\r
-\r
-\r
-#endif /* OPJ_INCLUDES_H */\r
+/*
+ * Copyright (c) 2005, Hervé Drolon, FreeImage Team
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef OPJ_INCLUDES_H
+#define OPJ_INCLUDES_H
+
+/*
+ ==========================================================
+ Standard includes used by the library
+ ==========================================================
+*/
+#include <memory.h>
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+#include <float.h>
+#include <time.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <ctype.h>
+
+/*
+ ==========================================================
+ OpenJPEG interface
+ ==========================================================
+ */
+#include "openjpeg.h"
+
+/*
+ ==========================================================
+ OpenJPEG modules
+ ==========================================================
+*/
+
+#include "j2k_lib.h"
+#include "event.h"
+#include "cio.h"
+
+#include "image.h"
+#include "j2k.h"
+#include "jp2.h"
+#include "jpt.h"
+
+#include "mqc.h"
+#include "raw.h"
+#include "bio.h"
+#include "tgt.h"
+#include "tcd.h"
+#include "t1.h"
+#include "dwt.h"
+#include "pi.h"
+#include "t2.h"
+#include "mct.h"
+#include "int.h"
+#include "fix.h"
+
+
+#endif /* OPJ_INCLUDES_H */
-/*\r
- * Copyright (c) 2001-2003, David Janssens\r
- * Copyright (c) 2002-2003, Yannick Verschueren\r
- * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe\r
- * Copyright (c) 2005, Hervé Drolon, FreeImage Team\r
- * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium\r
- * All rights reserved.\r
- *\r
- * Redistribution and use in source and binary forms, with or without\r
- * modification, are permitted provided that the following conditions\r
- * are met:\r
- * 1. Redistributions of source code must retain the above copyright\r
- * notice, this list of conditions and the following disclaimer.\r
- * 2. Redistributions in binary form must reproduce the above copyright\r
- * notice, this list of conditions and the following disclaimer in the\r
- * documentation and/or other materials provided with the distribution.\r
- *\r
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'\r
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE\r
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\r
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\r
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\r
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\r
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
- * POSSIBILITY OF SUCH DAMAGE.\r
- */\r
-\r
-#include "opj_includes.h"\r
-\r
-/** @defgroup PI PI - Implementation of a packet iterator */\r
-/*@{*/\r
-\r
-/** @name Local static functions */\r
-/*@{*/\r
-\r
-/**\r
-Get next packet in layer-resolution-component-precinct order.\r
-@param pi packet iterator to modify\r
-@return returns false if pi pointed to the last packet or else returns true \r
-*/\r
-static bool pi_next_lrcp(opj_pi_iterator_t * pi);\r
-/**\r
-Get next packet in resolution-layer-component-precinct order.\r
-@param pi packet iterator to modify\r
-@return returns false if pi pointed to the last packet or else returns true \r
-*/\r
-static bool pi_next_rlcp(opj_pi_iterator_t * pi);\r
-/**\r
-Get next packet in resolution-precinct-component-layer order.\r
-@param pi packet iterator to modify\r
-@return returns false if pi pointed to the last packet or else returns true \r
-*/\r
-static bool pi_next_rpcl(opj_pi_iterator_t * pi);\r
-/**\r
-Get next packet in precinct-component-resolution-layer order.\r
-@param pi packet iterator to modify\r
-@return returns false if pi pointed to the last packet or else returns true \r
-*/\r
-static bool pi_next_pcrl(opj_pi_iterator_t * pi);\r
-/**\r
-Get next packet in component-precinct-resolution-layer order.\r
-@param pi packet iterator to modify\r
-@return returns false if pi pointed to the last packet or else returns true \r
-*/\r
-static bool pi_next_cprl(opj_pi_iterator_t * pi);\r
-\r
-/*@}*/\r
-\r
-/*@}*/\r
-\r
-/* \r
-==========================================================\r
- local functions\r
-==========================================================\r
-*/\r
-\r
-static bool pi_next_lrcp(opj_pi_iterator_t * pi) {\r
- opj_pi_comp_t *comp = NULL;\r
- opj_pi_resolution_t *res = NULL;\r
- long index = 0;\r
- \r
- if (!pi->first) {\r
- comp = &pi->comps[pi->compno];\r
- res = &comp->resolutions[pi->resno];\r
- goto LABEL_SKIP;\r
- } else {\r
- pi->first = 0;\r
- }\r
-\r
- for (pi->layno = 0; pi->layno < pi->poc.layno1; pi->layno++) {\r
- for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1;\r
- pi->resno++) {\r
- for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {\r
- comp = &pi->comps[pi->compno];\r
- if (pi->resno >= comp->numresolutions) {\r
- continue;\r
- }\r
- res = &comp->resolutions[pi->resno];\r
- for (pi->precno = 0; pi->precno < res->pw * res->ph; pi->precno++) {\r
- index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;\r
- if (!pi->include[index]) {\r
- pi->include[index] = 1;\r
- return true;\r
- }\r
-LABEL_SKIP:;\r
- }\r
- }\r
- }\r
- }\r
- \r
- return false;\r
-}\r
-\r
-static bool pi_next_rlcp(opj_pi_iterator_t * pi) {\r
- opj_pi_comp_t *comp = NULL;\r
- opj_pi_resolution_t *res = NULL;\r
- long index = 0;\r
-\r
- if (!pi->first) {\r
- comp = &pi->comps[pi->compno];\r
- res = &comp->resolutions[pi->resno];\r
- goto LABEL_SKIP;\r
- } else {\r
- pi->first = 0;\r
- }\r
-\r
- for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1; pi->resno++) {\r
- for (pi->layno = 0; pi->layno < pi->poc.layno1; pi->layno++) {\r
- for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {\r
- comp = &pi->comps[pi->compno];\r
- if (pi->resno >= comp->numresolutions) {\r
- continue;\r
- }\r
- res = &comp->resolutions[pi->resno];\r
- for (pi->precno = 0; pi->precno < res->pw * res->ph; pi->precno++) {\r
- index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;\r
- if (!pi->include[index]) {\r
- pi->include[index] = 1;\r
- return true;\r
- }\r
-LABEL_SKIP:;\r
- }\r
- }\r
- }\r
- }\r
- \r
- return false;\r
-}\r
-\r
-static bool pi_next_rpcl(opj_pi_iterator_t * pi) {\r
- opj_pi_comp_t *comp = NULL;\r
- opj_pi_resolution_t *res = NULL;\r
- long index = 0;\r
-\r
- if (!pi->first) {\r
- goto LABEL_SKIP;\r
- } else {\r
- int compno, resno;\r
- pi->first = 0;\r
- pi->dx = 0;\r
- pi->dy = 0;\r
- for (compno = 0; compno < pi->numcomps; compno++) {\r
- comp = &pi->comps[compno];\r
- for (resno = 0; resno < comp->numresolutions; resno++) {\r
- int dx, dy;\r
- res = &comp->resolutions[resno];\r
- dx = comp->dx * (1 << (res->pdx + comp->numresolutions - 1 - resno));\r
- dy = comp->dy * (1 << (res->pdy + comp->numresolutions - 1 - resno));\r
- pi->dx = !pi->dx ? dx : int_min(pi->dx, dx);\r
- pi->dy = !pi->dy ? dy : int_min(pi->dy, dy);\r
- }\r
- }\r
- }\r
-\r
- for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1; pi->resno++) {\r
- for (pi->y = pi->ty0; pi->y < pi->ty1; pi->y += pi->dy - (pi->y % pi->dy)) {\r
- for (pi->x = pi->tx0; pi->x < pi->tx1; pi->x += pi->dx - (pi->x % pi->dx)) {\r
- for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {\r
- int levelno;\r
- int trx0, try0;\r
- int trx1, try1;\r
- int rpx, rpy;\r
- int prci, prcj;\r
- comp = &pi->comps[pi->compno];\r
- if (pi->resno >= comp->numresolutions) {\r
- continue;\r
- }\r
- res = &comp->resolutions[pi->resno];\r
- levelno = comp->numresolutions - 1 - pi->resno;\r
- trx0 = int_ceildiv(pi->tx0, comp->dx << levelno);\r
- try0 = int_ceildiv(pi->ty0, comp->dy << levelno);\r
- trx1 = int_ceildiv(pi->tx1, comp->dx << levelno);\r
- try1 = int_ceildiv(pi->ty1, comp->dy << levelno);\r
- rpx = res->pdx + levelno;\r
- rpy = res->pdy + levelno;\r
- if ((!(pi->x % (comp->dx << rpx) == 0) || (pi->x == pi->tx0 && (trx0 << levelno) % (1 << rpx)))) {\r
- continue;\r
- }\r
- if ((!(pi->y % (comp->dy << rpy) == 0) || (pi->y == pi->ty0 && (try0 << levelno) % (1 << rpx)))) {\r
- continue;\r
- }\r
- \r
- if ((res->pw==0)||(res->pw==0)) continue;\r
- \r
- if ((trx0==trx1)||(try0==try1)) continue;\r
- \r
- prci = int_floordivpow2(int_ceildiv(pi->x, comp->dx << levelno), res->pdx) \r
- - int_floordivpow2(trx0, res->pdx);\r
- prcj = int_floordivpow2(int_ceildiv(pi->y, comp->dy << levelno), res->pdy) \r
- - int_floordivpow2(try0, res->pdy);\r
- pi->precno = prci + prcj * res->pw;\r
- for (pi->layno = 0; pi->layno < pi->poc.layno1; pi->layno++) {\r
- index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;\r
- if (!pi->include[index]) {\r
- pi->include[index] = 1;\r
- return true;\r
- }\r
-LABEL_SKIP:;\r
- }\r
- }\r
- }\r
- }\r
- }\r
- \r
- return false;\r
-}\r
-\r
-static bool pi_next_pcrl(opj_pi_iterator_t * pi) {\r
- opj_pi_comp_t *comp = NULL;\r
- opj_pi_resolution_t *res = NULL;\r
- long index = 0;\r
-\r
- if (!pi->first) {\r
- comp = &pi->comps[pi->compno];\r
- goto LABEL_SKIP;\r
- } else {\r
- int compno, resno;\r
- pi->first = 0;\r
- pi->dx = 0;\r
- pi->dy = 0;\r
- for (compno = 0; compno < pi->numcomps; compno++) {\r
- comp = &pi->comps[compno];\r
- for (resno = 0; resno < comp->numresolutions; resno++) {\r
- int dx, dy;\r
- res = &comp->resolutions[resno];\r
- dx = comp->dx * (1 << (res->pdx + comp->numresolutions - 1 - resno));\r
- dy = comp->dy * (1 << (res->pdy + comp->numresolutions - 1 - resno));\r
- pi->dx = !pi->dx ? dx : int_min(pi->dx, dx);\r
- pi->dy = !pi->dy ? dy : int_min(pi->dy, dy);\r
- }\r
- }\r
- }\r
-\r
- for (pi->y = pi->ty0; pi->y < pi->ty1; pi->y += pi->dy - (pi->y % pi->dy)) {\r
- for (pi->x = pi->tx0; pi->x < pi->tx1; pi->x += pi->dx - (pi->x % pi->dx)) {\r
- for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {\r
- comp = &pi->comps[pi->compno];\r
- for (pi->resno = pi->poc.resno0; pi->resno < int_min(pi->poc.resno1, comp->numresolutions); pi->resno++) {\r
- int levelno;\r
- int trx0, try0;\r
- int trx1, try1;\r
- int rpx, rpy;\r
- int prci, prcj;\r
- res = &comp->resolutions[pi->resno];\r
- levelno = comp->numresolutions - 1 - pi->resno;\r
- trx0 = int_ceildiv(pi->tx0, comp->dx << levelno);\r
- try0 = int_ceildiv(pi->ty0, comp->dy << levelno);\r
- trx1 = int_ceildiv(pi->tx1, comp->dx << levelno);\r
- try1 = int_ceildiv(pi->ty1, comp->dy << levelno);\r
- rpx = res->pdx + levelno;\r
- rpy = res->pdy + levelno;\r
- if ((!(pi->x % (comp->dx << rpx) == 0) || (pi->x == pi->tx0 && (trx0 << levelno) % (1 << rpx)))) {\r
- continue;\r
- }\r
- if ((!(pi->y % (comp->dy << rpy) == 0) || (pi->y == pi->ty0 && (try0 << levelno) % (1 << rpx)))) {\r
- continue;\r
- }\r
- \r
- if ((res->pw==0)||(res->pw==0)) continue;\r
- \r
- if ((trx0==trx1)||(try0==try1)) continue;\r
- \r
- prci = int_floordivpow2(int_ceildiv(pi->x, comp->dx << levelno), res->pdx) \r
- - int_floordivpow2(trx0, res->pdx);\r
- prcj = int_floordivpow2(int_ceildiv(pi->y, comp->dy << levelno), res->pdy) \r
- - int_floordivpow2(try0, res->pdy);\r
- pi->precno = prci + prcj * res->pw;\r
- for (pi->layno = 0; pi->layno < pi->poc.layno1; pi->layno++) {\r
- index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;\r
- if (!pi->include[index]) {\r
- pi->include[index] = 1;\r
- return true;\r
- } \r
-LABEL_SKIP:;\r
- }\r
- }\r
- }\r
- }\r
- }\r
- \r
- return false;\r
-}\r
-\r
-static bool pi_next_cprl(opj_pi_iterator_t * pi) {\r
- opj_pi_comp_t *comp = NULL;\r
- opj_pi_resolution_t *res = NULL;\r
- long index = 0;\r
-\r
- if (!pi->first) {\r
- comp = &pi->comps[pi->compno];\r
- goto LABEL_SKIP;\r
- } else {\r
- pi->first = 0;\r
- }\r
-\r
- for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {\r
- int resno;\r
- comp = &pi->comps[pi->compno];\r
- pi->dx = 0;\r
- pi->dy = 0;\r
- for (resno = 0; resno < comp->numresolutions; resno++) {\r
- int dx, dy;\r
- res = &comp->resolutions[resno];\r
- dx = comp->dx * (1 << (res->pdx + comp->numresolutions - 1 - resno));\r
- dy = comp->dy * (1 << (res->pdy + comp->numresolutions - 1 - resno));\r
- pi->dx = !pi->dx ? dx : int_min(pi->dx, dx);\r
- pi->dy = !pi->dy ? dy : int_min(pi->dy, dy);\r
- }\r
- for (pi->y = pi->ty0; pi->y < pi->ty1; pi->y += pi->dy - (pi->y % pi->dy)) {\r
- for (pi->x = pi->tx0; pi->x < pi->tx1; pi->x += pi->dx - (pi->x % pi->dx)) {\r
- for (pi->resno = pi->poc.resno0; pi->resno < int_min(pi->poc.resno1, comp->numresolutions); pi->resno++) {\r
- int levelno;\r
- int trx0, try0;\r
- int trx1, try1;\r
- int rpx, rpy;\r
- int prci, prcj;\r
- res = &comp->resolutions[pi->resno];\r
- levelno = comp->numresolutions - 1 - pi->resno;\r
- trx0 = int_ceildiv(pi->tx0, comp->dx << levelno);\r
- try0 = int_ceildiv(pi->ty0, comp->dy << levelno);\r
- trx1 = int_ceildiv(pi->tx1, comp->dx << levelno);\r
- try1 = int_ceildiv(pi->ty1, comp->dy << levelno);\r
- rpx = res->pdx + levelno;\r
- rpy = res->pdy + levelno;\r
- if ((!(pi->x % (comp->dx << rpx) == 0) || (pi->x == pi->tx0 && (trx0 << levelno) % (1 << rpx)))) {\r
- continue;\r
- }\r
- if ((!(pi->y % (comp->dy << rpy) == 0) || (pi->y == pi->ty0 && (try0 << levelno) % (1 << rpx)))) {\r
- continue;\r
- }\r
- \r
- if ((res->pw==0)||(res->pw==0)) continue;\r
- \r
- if ((trx0==trx1)||(try0==try1)) continue;\r
- \r
- prci = int_floordivpow2(int_ceildiv(pi->x, comp->dx << levelno), res->pdx) \r
- - int_floordivpow2(trx0, res->pdx);\r
- prcj = int_floordivpow2(int_ceildiv(pi->y, comp->dy << levelno), res->pdy) \r
- - int_floordivpow2(try0, res->pdy);\r
- pi->precno = prci + prcj * res->pw;\r
- for (pi->layno = 0; pi->layno < pi->poc.layno1; pi->layno++) {\r
- index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;\r
- if (!pi->include[index]) {\r
- pi->include[index] = 1;\r
- return true;\r
- }\r
-LABEL_SKIP:;\r
- }\r
- }\r
- }\r
- }\r
- }\r
- \r
- return false;\r
-}\r
-\r
-/* \r
-==========================================================\r
- Packet iterator interface\r
-==========================================================\r
-*/\r
-\r
-opj_pi_iterator_t *pi_create(opj_image_t *image, opj_cp_t *cp, int tileno) {\r
- int p, q;\r
- int compno, resno, pino;\r
- int maxres = 0;\r
- opj_pi_iterator_t *pi = NULL;\r
- opj_tcp_t *tcp = NULL;\r
- opj_tccp_t *tccp = NULL;\r
- size_t array_size;\r
- \r
- tcp = &cp->tcps[tileno];\r
-\r
- array_size = (tcp->numpocs + 1) * sizeof(opj_pi_iterator_t);\r
- pi = (opj_pi_iterator_t *) opj_malloc(array_size);\r
- if(!pi) {\r
- /* TODO: throw an error */\r
- return NULL;\r
- }\r
- \r
- for (pino = 0; pino < tcp->numpocs + 1; pino++) { /* change */\r
- p = tileno % cp->tw;\r
- q = tileno / cp->tw;\r
-\r
- pi[pino].tx0 = int_max(cp->tx0 + p * cp->tdx, image->x0);\r
- pi[pino].ty0 = int_max(cp->ty0 + q * cp->tdy, image->y0);\r
- pi[pino].tx1 = int_min(cp->tx0 + (p + 1) * cp->tdx, image->x1);\r
- pi[pino].ty1 = int_min(cp->ty0 + (q + 1) * cp->tdy, image->y1);\r
- pi[pino].numcomps = image->numcomps;\r
-\r
- array_size = image->numcomps * sizeof(opj_pi_comp_t);\r
- pi[pino].comps = (opj_pi_comp_t *) opj_malloc(array_size);\r
- if(!pi[pino].comps) {\r
- /* TODO: throw an error */\r
- pi_destroy(pi, cp, tileno);\r
- return NULL;\r
- }\r
- memset(pi[pino].comps, 0, array_size);\r
- \r
- for (compno = 0; compno < pi->numcomps; compno++) {\r
- int tcx0, tcy0, tcx1, tcy1;\r
- opj_pi_comp_t *comp = &pi[pino].comps[compno];\r
- tccp = &tcp->tccps[compno];\r
- comp->dx = image->comps[compno].dx;\r
- comp->dy = image->comps[compno].dy;\r
- comp->numresolutions = tccp->numresolutions;\r
-\r
- array_size = comp->numresolutions * sizeof(opj_pi_resolution_t);\r
- comp->resolutions = (opj_pi_resolution_t *) opj_malloc(array_size);\r
- if(!comp->resolutions) {\r
- /* TODO: throw an error */\r
- pi_destroy(pi, cp, tileno);\r
- return NULL;\r
- }\r
-\r
- tcx0 = int_ceildiv(pi->tx0, comp->dx);\r
- tcy0 = int_ceildiv(pi->ty0, comp->dy);\r
- tcx1 = int_ceildiv(pi->tx1, comp->dx);\r
- tcy1 = int_ceildiv(pi->ty1, comp->dy);\r
- if (comp->numresolutions > maxres) {\r
- maxres = comp->numresolutions;\r
- }\r
-\r
- for (resno = 0; resno < comp->numresolutions; resno++) {\r
- int levelno;\r
- int rx0, ry0, rx1, ry1;\r
- int px0, py0, px1, py1;\r
- opj_pi_resolution_t *res = &comp->resolutions[resno];\r
- if (tccp->csty & J2K_CCP_CSTY_PRT) {\r
- res->pdx = tccp->prcw[resno];\r
- res->pdy = tccp->prch[resno];\r
- } else {\r
- res->pdx = 15;\r
- res->pdy = 15;\r
- }\r
- levelno = comp->numresolutions - 1 - resno;\r
- rx0 = int_ceildivpow2(tcx0, levelno);\r
- ry0 = int_ceildivpow2(tcy0, levelno);\r
- rx1 = int_ceildivpow2(tcx1, levelno);\r
- ry1 = int_ceildivpow2(tcy1, levelno);\r
- px0 = int_floordivpow2(rx0, res->pdx) << res->pdx;\r
- py0 = int_floordivpow2(ry0, res->pdy) << res->pdy;\r
- px1 = int_ceildivpow2(rx1, res->pdx) << res->pdx;\r
- py1 = int_ceildivpow2(ry1, res->pdy) << res->pdy;\r
- res->pw = (rx0==rx1)?0:((px1 - px0) >> res->pdx);\r
- res->ph = (ry0==ry1)?0:((py1 - py0) >> res->pdy);\r
- }\r
- }\r
- \r
- tccp = &tcp->tccps[0];\r
- pi[pino].step_p = 1;\r
- pi[pino].step_c = 100 * pi[pino].step_p;\r
- pi[pino].step_r = image->numcomps * pi[pino].step_c;\r
- pi[pino].step_l = maxres * pi[pino].step_r;\r
- \r
- if (pino == 0) {\r
- array_size = image->numcomps * maxres * tcp->numlayers * 100 * sizeof(short int);\r
- pi[pino].include = (short int *) opj_malloc(array_size);\r
- if(!pi[pino].include) {\r
- /* TODO: throw an error */\r
- pi_destroy(pi, cp, tileno);\r
- return NULL;\r
- }\r
- }\r
- else {\r
- pi[pino].include = pi[pino - 1].include;\r
- }\r
- \r
- if (tcp->POC == 0) {\r
- pi[pino].first = 1;\r
- pi[pino].poc.resno0 = 0;\r
- pi[pino].poc.compno0 = 0;\r
- pi[pino].poc.layno1 = tcp->numlayers;\r
- pi[pino].poc.resno1 = maxres;\r
- pi[pino].poc.compno1 = image->numcomps;\r
- pi[pino].poc.prg = tcp->prg;\r
- } else {\r
- pi[pino].first = 1;\r
- pi[pino].poc.resno0 = tcp->pocs[pino].resno0;\r
- pi[pino].poc.compno0 = tcp->pocs[pino].compno0;\r
- pi[pino].poc.layno1 = tcp->pocs[pino].layno1;\r
- pi[pino].poc.resno1 = tcp->pocs[pino].resno1;\r
- pi[pino].poc.compno1 = tcp->pocs[pino].compno1;\r
- pi[pino].poc.prg = tcp->pocs[pino].prg;\r
- }\r
- }\r
- \r
- return pi;\r
-}\r
-\r
-void pi_destroy(opj_pi_iterator_t *pi, opj_cp_t *cp, int tileno) {\r
- int compno, pino;\r
- opj_tcp_t *tcp = &cp->tcps[tileno];\r
- if(pi) {\r
- for (pino = 0; pino < tcp->numpocs + 1; pino++) { \r
- if(pi[pino].comps) {\r
- for (compno = 0; compno < pi->numcomps; compno++) {\r
- opj_pi_comp_t *comp = &pi[pino].comps[compno];\r
- if(comp->resolutions) {\r
- opj_free(comp->resolutions);\r
- }\r
- }\r
- opj_free(pi[pino].comps);\r
- }\r
- }\r
- if(pi->include) {\r
- opj_free(pi->include);\r
- }\r
- opj_free(pi);\r
- }\r
-}\r
-\r
-bool pi_next(opj_pi_iterator_t * pi) {\r
- switch (pi->poc.prg) {\r
- case LRCP:\r
- return pi_next_lrcp(pi);\r
- case RLCP:\r
- return pi_next_rlcp(pi);\r
- case RPCL:\r
- return pi_next_rpcl(pi);\r
- case PCRL:\r
- return pi_next_pcrl(pi);\r
- case CPRL:\r
- return pi_next_cprl(pi);\r
- }\r
- \r
- return false;\r
-}\r
-\r
+/*
+ * Copyright (c) 2001-2003, David Janssens
+ * Copyright (c) 2002-2003, Yannick Verschueren
+ * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
+ * Copyright (c) 2005, Hervé Drolon, FreeImage Team
+ * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "opj_includes.h"
+
+/** @defgroup PI PI - Implementation of a packet iterator */
+/*@{*/
+
+/** @name Local static functions */
+/*@{*/
+
+/**
+Get next packet in layer-resolution-component-precinct order.
+@param pi packet iterator to modify
+@return returns false if pi pointed to the last packet or else returns true
+*/
+static bool pi_next_lrcp(opj_pi_iterator_t * pi);
+/**
+Get next packet in resolution-layer-component-precinct order.
+@param pi packet iterator to modify
+@return returns false if pi pointed to the last packet or else returns true
+*/
+static bool pi_next_rlcp(opj_pi_iterator_t * pi);
+/**
+Get next packet in resolution-precinct-component-layer order.
+@param pi packet iterator to modify
+@return returns false if pi pointed to the last packet or else returns true
+*/
+static bool pi_next_rpcl(opj_pi_iterator_t * pi);
+/**
+Get next packet in precinct-component-resolution-layer order.
+@param pi packet iterator to modify
+@return returns false if pi pointed to the last packet or else returns true
+*/
+static bool pi_next_pcrl(opj_pi_iterator_t * pi);
+/**
+Get next packet in component-precinct-resolution-layer order.
+@param pi packet iterator to modify
+@return returns false if pi pointed to the last packet or else returns true
+*/
+static bool pi_next_cprl(opj_pi_iterator_t * pi);
+
+/*@}*/
+
+/*@}*/
+
+/*
+==========================================================
+ local functions
+==========================================================
+*/
+
+static bool pi_next_lrcp(opj_pi_iterator_t * pi) {
+ opj_pi_comp_t *comp = NULL;
+ opj_pi_resolution_t *res = NULL;
+ long index = 0;
+
+ if (!pi->first) {
+ comp = &pi->comps[pi->compno];
+ res = &comp->resolutions[pi->resno];
+ goto LABEL_SKIP;
+ } else {
+ pi->first = 0;
+ }
+
+ for (pi->layno = 0; pi->layno < pi->poc.layno1; pi->layno++) {
+ for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1;
+ pi->resno++) {
+ for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
+ comp = &pi->comps[pi->compno];
+ if (pi->resno >= comp->numresolutions) {
+ continue;
+ }
+ res = &comp->resolutions[pi->resno];
+ for (pi->precno = 0; pi->precno < res->pw * res->ph; pi->precno++) {
+ index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
+ if (!pi->include[index]) {
+ pi->include[index] = 1;
+ return true;
+ }
+LABEL_SKIP:;
+ }
+ }
+ }
+ }
+
+ return false;
+}
+
+static bool pi_next_rlcp(opj_pi_iterator_t * pi) {
+ opj_pi_comp_t *comp = NULL;
+ opj_pi_resolution_t *res = NULL;
+ long index = 0;
+
+ if (!pi->first) {
+ comp = &pi->comps[pi->compno];
+ res = &comp->resolutions[pi->resno];
+ goto LABEL_SKIP;
+ } else {
+ pi->first = 0;
+ }
+
+ for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1; pi->resno++) {
+ for (pi->layno = 0; pi->layno < pi->poc.layno1; pi->layno++) {
+ for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
+ comp = &pi->comps[pi->compno];
+ if (pi->resno >= comp->numresolutions) {
+ continue;
+ }
+ res = &comp->resolutions[pi->resno];
+ for (pi->precno = 0; pi->precno < res->pw * res->ph; pi->precno++) {
+ index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
+ if (!pi->include[index]) {
+ pi->include[index] = 1;
+ return true;
+ }
+LABEL_SKIP:;
+ }
+ }
+ }
+ }
+
+ return false;
+}
+
+static bool pi_next_rpcl(opj_pi_iterator_t * pi) {
+ opj_pi_comp_t *comp = NULL;
+ opj_pi_resolution_t *res = NULL;
+ long index = 0;
+
+ if (!pi->first) {
+ goto LABEL_SKIP;
+ } else {
+ int compno, resno;
+ pi->first = 0;
+ pi->dx = 0;
+ pi->dy = 0;
+ for (compno = 0; compno < pi->numcomps; compno++) {
+ comp = &pi->comps[compno];
+ for (resno = 0; resno < comp->numresolutions; resno++) {
+ int dx, dy;
+ res = &comp->resolutions[resno];
+ dx = comp->dx * (1 << (res->pdx + comp->numresolutions - 1 - resno));
+ dy = comp->dy * (1 << (res->pdy + comp->numresolutions - 1 - resno));
+ pi->dx = !pi->dx ? dx : int_min(pi->dx, dx);
+ pi->dy = !pi->dy ? dy : int_min(pi->dy, dy);
+ }
+ }
+ }
+
+ for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1; pi->resno++) {
+ for (pi->y = pi->ty0; pi->y < pi->ty1; pi->y += pi->dy - (pi->y % pi->dy)) {
+ for (pi->x = pi->tx0; pi->x < pi->tx1; pi->x += pi->dx - (pi->x % pi->dx)) {
+ for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
+ int levelno;
+ int trx0, try0;
+ int trx1, try1;
+ int rpx, rpy;
+ int prci, prcj;
+ comp = &pi->comps[pi->compno];
+ if (pi->resno >= comp->numresolutions) {
+ continue;
+ }
+ res = &comp->resolutions[pi->resno];
+ levelno = comp->numresolutions - 1 - pi->resno;
+ trx0 = int_ceildiv(pi->tx0, comp->dx << levelno);
+ try0 = int_ceildiv(pi->ty0, comp->dy << levelno);
+ trx1 = int_ceildiv(pi->tx1, comp->dx << levelno);
+ try1 = int_ceildiv(pi->ty1, comp->dy << levelno);
+ rpx = res->pdx + levelno;
+ rpy = res->pdy + levelno;
+ if ((!(pi->x % (comp->dx << rpx) == 0) || (pi->x == pi->tx0 && (trx0 << levelno) % (1 << rpx)))) {
+ continue;
+ }
+ if ((!(pi->y % (comp->dy << rpy) == 0) || (pi->y == pi->ty0 && (try0 << levelno) % (1 << rpx)))) {
+ continue;
+ }
+
+ if ((res->pw==0)||(res->pw==0)) continue;
+
+ if ((trx0==trx1)||(try0==try1)) continue;
+
+ prci = int_floordivpow2(int_ceildiv(pi->x, comp->dx << levelno), res->pdx)
+ - int_floordivpow2(trx0, res->pdx);
+ prcj = int_floordivpow2(int_ceildiv(pi->y, comp->dy << levelno), res->pdy)
+ - int_floordivpow2(try0, res->pdy);
+ pi->precno = prci + prcj * res->pw;
+ for (pi->layno = 0; pi->layno < pi->poc.layno1; pi->layno++) {
+ index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
+ if (!pi->include[index]) {
+ pi->include[index] = 1;
+ return true;
+ }
+LABEL_SKIP:;
+ }
+ }
+ }
+ }
+ }
+
+ return false;
+}
+
+static bool pi_next_pcrl(opj_pi_iterator_t * pi) {
+ opj_pi_comp_t *comp = NULL;
+ opj_pi_resolution_t *res = NULL;
+ long index = 0;
+
+ if (!pi->first) {
+ comp = &pi->comps[pi->compno];
+ goto LABEL_SKIP;
+ } else {
+ int compno, resno;
+ pi->first = 0;
+ pi->dx = 0;
+ pi->dy = 0;
+ for (compno = 0; compno < pi->numcomps; compno++) {
+ comp = &pi->comps[compno];
+ for (resno = 0; resno < comp->numresolutions; resno++) {
+ int dx, dy;
+ res = &comp->resolutions[resno];
+ dx = comp->dx * (1 << (res->pdx + comp->numresolutions - 1 - resno));
+ dy = comp->dy * (1 << (res->pdy + comp->numresolutions - 1 - resno));
+ pi->dx = !pi->dx ? dx : int_min(pi->dx, dx);
+ pi->dy = !pi->dy ? dy : int_min(pi->dy, dy);
+ }
+ }
+ }
+
+ for (pi->y = pi->ty0; pi->y < pi->ty1; pi->y += pi->dy - (pi->y % pi->dy)) {
+ for (pi->x = pi->tx0; pi->x < pi->tx1; pi->x += pi->dx - (pi->x % pi->dx)) {
+ for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
+ comp = &pi->comps[pi->compno];
+ for (pi->resno = pi->poc.resno0; pi->resno < int_min(pi->poc.resno1, comp->numresolutions); pi->resno++) {
+ int levelno;
+ int trx0, try0;
+ int trx1, try1;
+ int rpx, rpy;
+ int prci, prcj;
+ res = &comp->resolutions[pi->resno];
+ levelno = comp->numresolutions - 1 - pi->resno;
+ trx0 = int_ceildiv(pi->tx0, comp->dx << levelno);
+ try0 = int_ceildiv(pi->ty0, comp->dy << levelno);
+ trx1 = int_ceildiv(pi->tx1, comp->dx << levelno);
+ try1 = int_ceildiv(pi->ty1, comp->dy << levelno);
+ rpx = res->pdx + levelno;
+ rpy = res->pdy + levelno;
+ if ((!(pi->x % (comp->dx << rpx) == 0) || (pi->x == pi->tx0 && (trx0 << levelno) % (1 << rpx)))) {
+ continue;
+ }
+ if ((!(pi->y % (comp->dy << rpy) == 0) || (pi->y == pi->ty0 && (try0 << levelno) % (1 << rpx)))) {
+ continue;
+ }
+
+ if ((res->pw==0)||(res->pw==0)) continue;
+
+ if ((trx0==trx1)||(try0==try1)) continue;
+
+ prci = int_floordivpow2(int_ceildiv(pi->x, comp->dx << levelno), res->pdx)
+ - int_floordivpow2(trx0, res->pdx);
+ prcj = int_floordivpow2(int_ceildiv(pi->y, comp->dy << levelno), res->pdy)
+ - int_floordivpow2(try0, res->pdy);
+ pi->precno = prci + prcj * res->pw;
+ for (pi->layno = 0; pi->layno < pi->poc.layno1; pi->layno++) {
+ index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
+ if (!pi->include[index]) {
+ pi->include[index] = 1;
+ return true;
+ }
+LABEL_SKIP:;
+ }
+ }
+ }
+ }
+ }
+
+ return false;
+}
+
+static bool pi_next_cprl(opj_pi_iterator_t * pi) {
+ opj_pi_comp_t *comp = NULL;
+ opj_pi_resolution_t *res = NULL;
+ long index = 0;
+
+ if (!pi->first) {
+ comp = &pi->comps[pi->compno];
+ goto LABEL_SKIP;
+ } else {
+ pi->first = 0;
+ }
+
+ for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
+ int resno;
+ comp = &pi->comps[pi->compno];
+ pi->dx = 0;
+ pi->dy = 0;
+ for (resno = 0; resno < comp->numresolutions; resno++) {
+ int dx, dy;
+ res = &comp->resolutions[resno];
+ dx = comp->dx * (1 << (res->pdx + comp->numresolutions - 1 - resno));
+ dy = comp->dy * (1 << (res->pdy + comp->numresolutions - 1 - resno));
+ pi->dx = !pi->dx ? dx : int_min(pi->dx, dx);
+ pi->dy = !pi->dy ? dy : int_min(pi->dy, dy);
+ }
+ for (pi->y = pi->ty0; pi->y < pi->ty1; pi->y += pi->dy - (pi->y % pi->dy)) {
+ for (pi->x = pi->tx0; pi->x < pi->tx1; pi->x += pi->dx - (pi->x % pi->dx)) {
+ for (pi->resno = pi->poc.resno0; pi->resno < int_min(pi->poc.resno1, comp->numresolutions); pi->resno++) {
+ int levelno;
+ int trx0, try0;
+ int trx1, try1;
+ int rpx, rpy;
+ int prci, prcj;
+ res = &comp->resolutions[pi->resno];
+ levelno = comp->numresolutions - 1 - pi->resno;
+ trx0 = int_ceildiv(pi->tx0, comp->dx << levelno);
+ try0 = int_ceildiv(pi->ty0, comp->dy << levelno);
+ trx1 = int_ceildiv(pi->tx1, comp->dx << levelno);
+ try1 = int_ceildiv(pi->ty1, comp->dy << levelno);
+ rpx = res->pdx + levelno;
+ rpy = res->pdy + levelno;
+ if ((!(pi->x % (comp->dx << rpx) == 0) || (pi->x == pi->tx0 && (trx0 << levelno) % (1 << rpx)))) {
+ continue;
+ }
+ if ((!(pi->y % (comp->dy << rpy) == 0) || (pi->y == pi->ty0 && (try0 << levelno) % (1 << rpx)))) {
+ continue;
+ }
+
+ if ((res->pw==0)||(res->pw==0)) continue;
+
+ if ((trx0==trx1)||(try0==try1)) continue;
+
+ prci = int_floordivpow2(int_ceildiv(pi->x, comp->dx << levelno), res->pdx)
+ - int_floordivpow2(trx0, res->pdx);
+ prcj = int_floordivpow2(int_ceildiv(pi->y, comp->dy << levelno), res->pdy)
+ - int_floordivpow2(try0, res->pdy);
+ pi->precno = prci + prcj * res->pw;
+ for (pi->layno = 0; pi->layno < pi->poc.layno1; pi->layno++) {
+ index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
+ if (!pi->include[index]) {
+ pi->include[index] = 1;
+ return true;
+ }
+LABEL_SKIP:;
+ }
+ }
+ }
+ }
+ }
+
+ return false;
+}
+
+/*
+==========================================================
+ Packet iterator interface
+==========================================================
+*/
+
+opj_pi_iterator_t *pi_create(opj_image_t *image, opj_cp_t *cp, int tileno) {
+ int p, q;
+ int compno, resno, pino;
+ int maxres = 0;
+ opj_pi_iterator_t *pi = NULL;
+ opj_tcp_t *tcp = NULL;
+ opj_tccp_t *tccp = NULL;
+ size_t array_size;
+
+ tcp = &cp->tcps[tileno];
+
+ array_size = (tcp->numpocs + 1) * sizeof(opj_pi_iterator_t);
+ pi = (opj_pi_iterator_t *) opj_malloc(array_size);
+ if(!pi) {
+ /* TODO: throw an error */
+ return NULL;
+ }
+
+ for (pino = 0; pino < tcp->numpocs + 1; pino++) { /* change */
+ p = tileno % cp->tw;
+ q = tileno / cp->tw;
+
+ pi[pino].tx0 = int_max(cp->tx0 + p * cp->tdx, image->x0);
+ pi[pino].ty0 = int_max(cp->ty0 + q * cp->tdy, image->y0);
+ pi[pino].tx1 = int_min(cp->tx0 + (p + 1) * cp->tdx, image->x1);
+ pi[pino].ty1 = int_min(cp->ty0 + (q + 1) * cp->tdy, image->y1);
+ pi[pino].numcomps = image->numcomps;
+
+ array_size = image->numcomps * sizeof(opj_pi_comp_t);
+ pi[pino].comps = (opj_pi_comp_t *) opj_malloc(array_size);
+ if(!pi[pino].comps) {
+ /* TODO: throw an error */
+ pi_destroy(pi, cp, tileno);
+ return NULL;
+ }
+ memset(pi[pino].comps, 0, array_size);
+
+ for (compno = 0; compno < pi->numcomps; compno++) {
+ int tcx0, tcy0, tcx1, tcy1;
+ opj_pi_comp_t *comp = &pi[pino].comps[compno];
+ tccp = &tcp->tccps[compno];
+ comp->dx = image->comps[compno].dx;
+ comp->dy = image->comps[compno].dy;
+ comp->numresolutions = tccp->numresolutions;
+
+ array_size = comp->numresolutions * sizeof(opj_pi_resolution_t);
+ comp->resolutions = (opj_pi_resolution_t *) opj_malloc(array_size);
+ if(!comp->resolutions) {
+ /* TODO: throw an error */
+ pi_destroy(pi, cp, tileno);
+ return NULL;
+ }
+
+ tcx0 = int_ceildiv(pi->tx0, comp->dx);
+ tcy0 = int_ceildiv(pi->ty0, comp->dy);
+ tcx1 = int_ceildiv(pi->tx1, comp->dx);
+ tcy1 = int_ceildiv(pi->ty1, comp->dy);
+ if (comp->numresolutions > maxres) {
+ maxres = comp->numresolutions;
+ }
+
+ for (resno = 0; resno < comp->numresolutions; resno++) {
+ int levelno;
+ int rx0, ry0, rx1, ry1;
+ int px0, py0, px1, py1;
+ opj_pi_resolution_t *res = &comp->resolutions[resno];
+ if (tccp->csty & J2K_CCP_CSTY_PRT) {
+ res->pdx = tccp->prcw[resno];
+ res->pdy = tccp->prch[resno];
+ } else {
+ res->pdx = 15;
+ res->pdy = 15;
+ }
+ levelno = comp->numresolutions - 1 - resno;
+ rx0 = int_ceildivpow2(tcx0, levelno);
+ ry0 = int_ceildivpow2(tcy0, levelno);
+ rx1 = int_ceildivpow2(tcx1, levelno);
+ ry1 = int_ceildivpow2(tcy1, levelno);
+ px0 = int_floordivpow2(rx0, res->pdx) << res->pdx;
+ py0 = int_floordivpow2(ry0, res->pdy) << res->pdy;
+ px1 = int_ceildivpow2(rx1, res->pdx) << res->pdx;
+ py1 = int_ceildivpow2(ry1, res->pdy) << res->pdy;
+ res->pw = (rx0==rx1)?0:((px1 - px0) >> res->pdx);
+ res->ph = (ry0==ry1)?0:((py1 - py0) >> res->pdy);
+ }
+ }
+
+ tccp = &tcp->tccps[0];
+ pi[pino].step_p = 1;
+ pi[pino].step_c = 100 * pi[pino].step_p;
+ pi[pino].step_r = image->numcomps * pi[pino].step_c;
+ pi[pino].step_l = maxres * pi[pino].step_r;
+
+ if (pino == 0) {
+ array_size = image->numcomps * maxres * tcp->numlayers * 100 * sizeof(short int);
+ pi[pino].include = (short int *) opj_malloc(array_size);
+ if(!pi[pino].include) {
+ /* TODO: throw an error */
+ pi_destroy(pi, cp, tileno);
+ return NULL;
+ }
+ }
+ else {
+ pi[pino].include = pi[pino - 1].include;
+ }
+
+ if (tcp->POC == 0) {
+ pi[pino].first = 1;
+ pi[pino].poc.resno0 = 0;
+ pi[pino].poc.compno0 = 0;
+ pi[pino].poc.layno1 = tcp->numlayers;
+ pi[pino].poc.resno1 = maxres;
+ pi[pino].poc.compno1 = image->numcomps;
+ pi[pino].poc.prg = tcp->prg;
+ } else {
+ pi[pino].first = 1;
+ pi[pino].poc.resno0 = tcp->pocs[pino].resno0;
+ pi[pino].poc.compno0 = tcp->pocs[pino].compno0;
+ pi[pino].poc.layno1 = tcp->pocs[pino].layno1;
+ pi[pino].poc.resno1 = tcp->pocs[pino].resno1;
+ pi[pino].poc.compno1 = tcp->pocs[pino].compno1;
+ pi[pino].poc.prg = tcp->pocs[pino].prg;
+ }
+ }
+
+ return pi;
+}
+
+void pi_destroy(opj_pi_iterator_t *pi, opj_cp_t *cp, int tileno) {
+ int compno, pino;
+ opj_tcp_t *tcp = &cp->tcps[tileno];
+ if(pi) {
+ for (pino = 0; pino < tcp->numpocs + 1; pino++) {
+ if(pi[pino].comps) {
+ for (compno = 0; compno < pi->numcomps; compno++) {
+ opj_pi_comp_t *comp = &pi[pino].comps[compno];
+ if(comp->resolutions) {
+ opj_free(comp->resolutions);
+ }
+ }
+ opj_free(pi[pino].comps);
+ }
+ }
+ if(pi->include) {
+ opj_free(pi->include);
+ }
+ opj_free(pi);
+ }
+}
+
+bool pi_next(opj_pi_iterator_t * pi) {
+ switch (pi->poc.prg) {
+ case LRCP:
+ return pi_next_lrcp(pi);
+ case RLCP:
+ return pi_next_rlcp(pi);
+ case RPCL:
+ return pi_next_rpcl(pi);
+ case PCRL:
+ return pi_next_pcrl(pi);
+ case CPRL:
+ return pi_next_cprl(pi);
+ }
+
+ return false;
+}
+
-/*\r
- * Copyright (c) 2001-2003, David Janssens\r
- * Copyright (c) 2002-2003, Yannick Verschueren\r
- * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe\r
- * Copyright (c) 2005, Hervé Drolon, FreeImage Team\r
- * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium\r
- * All rights reserved.\r
- *\r
- * Redistribution and use in source and binary forms, with or without\r
- * modification, are permitted provided that the following conditions\r
- * are met:\r
- * 1. Redistributions of source code must retain the above copyright\r
- * notice, this list of conditions and the following disclaimer.\r
- * 2. Redistributions in binary form must reproduce the above copyright\r
- * notice, this list of conditions and the following disclaimer in the\r
- * documentation and/or other materials provided with the distribution.\r
- *\r
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'\r
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE\r
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\r
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\r
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\r
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\r
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
- * POSSIBILITY OF SUCH DAMAGE.\r
- */\r
-\r
-#ifndef __PI_H\r
-#define __PI_H\r
-/**\r
-@file pi.h\r
-@brief Implementation of a packet iterator (PI)\r
-\r
-The functions in PI.C have for goal to realize a packet iterator that permits to get the next\r
-packet following the progression order and change of it. The functions in PI.C are used\r
-by some function in T2.C.\r
-*/\r
-\r
-/** @defgroup PI PI - Implementation of a packet iterator */\r
-/*@{*/\r
-\r
-/**\r
-FIXME: documentation\r
-*/\r
-typedef struct opj_pi_resolution {\r
- int pdx, pdy;\r
- int pw, ph;\r
-} opj_pi_resolution_t;\r
-\r
-/**\r
-FIXME: documentation\r
-*/\r
-typedef struct opj_pi_comp {\r
- int dx, dy;\r
- /** number of resolution levels */\r
- int numresolutions;\r
- opj_pi_resolution_t *resolutions;\r
-} opj_pi_comp_t;\r
-\r
-/** \r
-Packet iterator \r
-*/\r
-typedef struct opj_pi_iterator {\r
- /** precise if the packet has been already used (usefull for progression order change) */\r
- short int *include;\r
- /** layer step used to localize the packet in the include vector */\r
- int step_l;\r
- /** resolution step used to localize the packet in the include vector */\r
- int step_r; \r
- /** component step used to localize the packet in the include vector */\r
- int step_c; \r
- /** precinct step used to localize the packet in the include vector */\r
- int step_p; \r
- /** component that identify the packet */\r
- int compno;\r
- /** resolution that identify the packet */\r
- int resno;\r
- /** precinct that identify the packet */\r
- int precno;\r
- /** layer that identify the packet */\r
- int layno; \r
- /** 0 if the first packet */\r
- int first;\r
- /** progression order change information */\r
- opj_poc_t poc;\r
- /** */\r
- int numcomps;\r
- /** */\r
- opj_pi_comp_t *comps;\r
- int tx0, ty0, tx1, ty1;\r
- int x, y, dx, dy;\r
-} opj_pi_iterator_t;\r
-\r
-/** @name Exported functions */\r
-/*@{*/\r
-/* ----------------------------------------------------------------------- */\r
-/**\r
-Create a packet iterator\r
-@param image Raw image for which the packets will be listed\r
-@param cp Coding parameters\r
-@param tileno Number that identifies the tile for which to list the packets\r
-@return Returns a packet iterator that points to the first packet of the tile\r
-@see pi_destroy\r
-*/\r
-opj_pi_iterator_t *pi_create(opj_image_t * image, opj_cp_t * cp, int tileno);\r
-\r
-/**\r
-Destroy a packet iterator\r
-@param pi Previously created packet iterator\r
-@param cp Coding parameters\r
-@param tileno Number that identifies the tile for which the packets were listed\r
-@see pi_create\r
-*/\r
-void pi_destroy(opj_pi_iterator_t *pi, opj_cp_t *cp, int tileno);\r
-\r
-/**\r
-Modify the packet iterator to point to the next packet\r
-@param pi Packet iterator to modify\r
-@return Returns false if pi pointed to the last packet or else returns true \r
-*/\r
-bool pi_next(opj_pi_iterator_t * pi);\r
-/* ----------------------------------------------------------------------- */\r
-/*@}*/\r
-\r
-/*@}*/\r
-\r
-#endif /* __PI_H */\r
+/*
+ * Copyright (c) 2001-2003, David Janssens
+ * Copyright (c) 2002-2003, Yannick Verschueren
+ * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
+ * Copyright (c) 2005, Hervé Drolon, FreeImage Team
+ * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __PI_H
+#define __PI_H
+/**
+@file pi.h
+@brief Implementation of a packet iterator (PI)
+
+The functions in PI.C have for goal to realize a packet iterator that permits to get the next
+packet following the progression order and change of it. The functions in PI.C are used
+by some function in T2.C.
+*/
+
+/** @defgroup PI PI - Implementation of a packet iterator */
+/*@{*/
+
+/**
+FIXME: documentation
+*/
+typedef struct opj_pi_resolution {
+ int pdx, pdy;
+ int pw, ph;
+} opj_pi_resolution_t;
+
+/**
+FIXME: documentation
+*/
+typedef struct opj_pi_comp {
+ int dx, dy;
+ /** number of resolution levels */
+ int numresolutions;
+ opj_pi_resolution_t *resolutions;
+} opj_pi_comp_t;
+
+/**
+Packet iterator
+*/
+typedef struct opj_pi_iterator {
+ /** precise if the packet has been already used (usefull for progression order change) */
+ short int *include;
+ /** layer step used to localize the packet in the include vector */
+ int step_l;
+ /** resolution step used to localize the packet in the include vector */
+ int step_r;
+ /** component step used to localize the packet in the include vector */
+ int step_c;
+ /** precinct step used to localize the packet in the include vector */
+ int step_p;
+ /** component that identify the packet */
+ int compno;
+ /** resolution that identify the packet */
+ int resno;
+ /** precinct that identify the packet */
+ int precno;
+ /** layer that identify the packet */
+ int layno;
+ /** 0 if the first packet */
+ int first;
+ /** progression order change information */
+ opj_poc_t poc;
+ /** */
+ int numcomps;
+ /** */
+ opj_pi_comp_t *comps;
+ int tx0, ty0, tx1, ty1;
+ int x, y, dx, dy;
+} opj_pi_iterator_t;
+
+/** @name Exported functions */
+/*@{*/
+/* ----------------------------------------------------------------------- */
+/**
+Create a packet iterator
+@param image Raw image for which the packets will be listed
+@param cp Coding parameters
+@param tileno Number that identifies the tile for which to list the packets
+@return Returns a packet iterator that points to the first packet of the tile
+@see pi_destroy
+*/
+opj_pi_iterator_t *pi_create(opj_image_t * image, opj_cp_t * cp, int tileno);
+
+/**
+Destroy a packet iterator
+@param pi Previously created packet iterator
+@param cp Coding parameters
+@param tileno Number that identifies the tile for which the packets were listed
+@see pi_create
+*/
+void pi_destroy(opj_pi_iterator_t *pi, opj_cp_t *cp, int tileno);
+
+/**
+Modify the packet iterator to point to the next packet
+@param pi Packet iterator to modify
+@return Returns false if pi pointed to the last packet or else returns true
+*/
+bool pi_next(opj_pi_iterator_t * pi);
+/* ----------------------------------------------------------------------- */
+/*@}*/
+
+/*@}*/
+
+#endif /* __PI_H */
-/*\r
- * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe\r
- * Copyright (c) 2005, Hervé Drolon, FreeImage Team\r
- * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium\r
- * All rights reserved.\r
- *\r
- * Redistribution and use in source and binary forms, with or without\r
- * modification, are permitted provided that the following conditions\r
- * are met:\r
- * 1. Redistributions of source code must retain the above copyright\r
- * notice, this list of conditions and the following disclaimer.\r
- * 2. Redistributions in binary form must reproduce the above copyright\r
- * notice, this list of conditions and the following disclaimer in the\r
- * documentation and/or other materials provided with the distribution.\r
- *\r
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'\r
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE\r
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\r
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\r
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\r
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\r
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
- * POSSIBILITY OF SUCH DAMAGE.\r
- */\r
-\r
-#include "opj_includes.h"\r
-\r
-/* \r
-==========================================================\r
- local functions\r
-==========================================================\r
-*/\r
-\r
-\r
-/* \r
-==========================================================\r
- RAW encoding interface\r
-==========================================================\r
-*/\r
-\r
-opj_raw_t* raw_create() {\r
- opj_raw_t *raw = (opj_raw_t*)opj_malloc(sizeof(opj_raw_t));\r
- return raw;\r
-}\r
-\r
-void raw_destroy(opj_raw_t *raw) {\r
- if(raw) {\r
- opj_free(raw);\r
- }\r
-}\r
-\r
-int raw_numbytes(opj_raw_t *raw) {\r
- return raw->bp - raw->start;\r
-}\r
-\r
-void raw_init_dec(opj_raw_t *raw, unsigned char *bp, int len) {\r
- raw->start = bp;\r
- raw->lenmax = len;\r
- raw->len = 0;\r
- raw->c = 0;\r
- raw->ct = 0;\r
-}\r
-\r
-int raw_decode(opj_raw_t *raw) {\r
- int d;\r
- if (raw->ct == 0) {\r
- raw->ct = 8;\r
- if (raw->len == raw->lenmax) {\r
- raw->c = 0xff;\r
- } else {\r
- if (raw->c == 0xff) {\r
- raw->ct = 7;\r
- }\r
- raw->c = *(raw->start + raw->len);\r
- raw->len++;\r
- }\r
- }\r
- raw->ct--;\r
- d = (raw->c >> raw->ct) & 0x01;\r
- \r
- return d;\r
-}\r
-\r
+/*
+ * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
+ * Copyright (c) 2005, Hervé Drolon, FreeImage Team
+ * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "opj_includes.h"
+
+/*
+==========================================================
+ local functions
+==========================================================
+*/
+
+
+/*
+==========================================================
+ RAW encoding interface
+==========================================================
+*/
+
+opj_raw_t* raw_create() {
+ opj_raw_t *raw = (opj_raw_t*)opj_malloc(sizeof(opj_raw_t));
+ return raw;
+}
+
+void raw_destroy(opj_raw_t *raw) {
+ if(raw) {
+ opj_free(raw);
+ }
+}
+
+int raw_numbytes(opj_raw_t *raw) {
+ return raw->bp - raw->start;
+}
+
+void raw_init_dec(opj_raw_t *raw, unsigned char *bp, int len) {
+ raw->start = bp;
+ raw->lenmax = len;
+ raw->len = 0;
+ raw->c = 0;
+ raw->ct = 0;
+}
+
+int raw_decode(opj_raw_t *raw) {
+ int d;
+ if (raw->ct == 0) {
+ raw->ct = 8;
+ if (raw->len == raw->lenmax) {
+ raw->c = 0xff;
+ } else {
+ if (raw->c == 0xff) {
+ raw->ct = 7;
+ }
+ raw->c = *(raw->start + raw->len);
+ raw->len++;
+ }
+ }
+ raw->ct--;
+ d = (raw->c >> raw->ct) & 0x01;
+
+ return d;
+}
+
-/*\r
- * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe\r
- * Copyright (c) 2005, Hervé Drolon, FreeImage Team\r
- * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium\r
- * All rights reserved.\r
- *\r
- * Redistribution and use in source and binary forms, with or without\r
- * modification, are permitted provided that the following conditions\r
- * are met:\r
- * 1. Redistributions of source code must retain the above copyright\r
- * notice, this list of conditions and the following disclaimer.\r
- * 2. Redistributions in binary form must reproduce the above copyright\r
- * notice, this list of conditions and the following disclaimer in the\r
- * documentation and/or other materials provided with the distribution.\r
- *\r
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'\r
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE\r
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\r
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\r
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\r
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\r
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
- * POSSIBILITY OF SUCH DAMAGE.\r
- */\r
-\r
-#ifndef __RAW_H\r
-#define __RAW_H\r
-/**\r
-@file raw.h\r
-@brief Implementation of operations for raw encoding (RAW)\r
-\r
-The functions in RAW.C have for goal to realize the operation of raw encoding linked\r
-with the corresponding mode switch.\r
-*/\r
-\r
-/** @defgroup RAW RAW - Implementation of operations for raw encoding */\r
-/*@{*/\r
-\r
-/**\r
-RAW encoding operations\r
-*/\r
-typedef struct opj_raw {\r
- /** temporary buffer where bits are coded or decoded */\r
- unsigned char c;\r
- /** number of bits already read or free to write */\r
- unsigned int ct;\r
- /** maximum length to decode */\r
- unsigned int lenmax;\r
- /** length decoded */\r
- unsigned int len;\r
- /** pointer to the current position in the buffer */\r
- unsigned char *bp;\r
- /** pointer to the start of the buffer */\r
- unsigned char *start;\r
- /** pointer to the end of the buffer */\r
- unsigned char *end;\r
-} opj_raw_t;\r
-\r
-/** @name Exported functions */\r
-/*@{*/\r
-/* ----------------------------------------------------------------------- */\r
-/**\r
-Create a new RAW handle \r
-@return Returns a new RAW handle if successful, returns NULL otherwise\r
-*/\r
-opj_raw_t* raw_create();\r
-/**\r
-Destroy a previously created RAW handle\r
-@param raw RAW handle to destroy\r
-*/\r
-void raw_destroy(opj_raw_t *raw);\r
-/**\r
-Return the number of bytes written/read since initialisation\r
-@param raw RAW handle to destroy\r
-@return Returns the number of bytes already encoded\r
-*/\r
-int raw_numbytes(opj_raw_t *raw);\r
-/**\r
-Initialize the decoder\r
-@param raw RAW handle\r
-@param bp Pointer to the start of the buffer from which the bytes will be read\r
-@param len Length of the input buffer\r
-*/\r
-void raw_init_dec(opj_raw_t *raw, unsigned char *bp, int len);\r
-/**\r
-Decode a symbol using raw-decoder. Cfr p.506 TAUBMAN\r
-@param raw RAW handle\r
-@return Returns the decoded symbol (0 or 1)\r
-*/\r
-int raw_decode(opj_raw_t *raw);\r
-/* ----------------------------------------------------------------------- */\r
-/*@}*/\r
-\r
-/*@}*/\r
-\r
-#endif /* __RAW_H */\r
+/*
+ * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
+ * Copyright (c) 2005, Hervé Drolon, FreeImage Team
+ * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __RAW_H
+#define __RAW_H
+/**
+@file raw.h
+@brief Implementation of operations for raw encoding (RAW)
+
+The functions in RAW.C have for goal to realize the operation of raw encoding linked
+with the corresponding mode switch.
+*/
+
+/** @defgroup RAW RAW - Implementation of operations for raw encoding */
+/*@{*/
+
+/**
+RAW encoding operations
+*/
+typedef struct opj_raw {
+ /** temporary buffer where bits are coded or decoded */
+ unsigned char c;
+ /** number of bits already read or free to write */
+ unsigned int ct;
+ /** maximum length to decode */
+ unsigned int lenmax;
+ /** length decoded */
+ unsigned int len;
+ /** pointer to the current position in the buffer */
+ unsigned char *bp;
+ /** pointer to the start of the buffer */
+ unsigned char *start;
+ /** pointer to the end of the buffer */
+ unsigned char *end;
+} opj_raw_t;
+
+/** @name Exported functions */
+/*@{*/
+/* ----------------------------------------------------------------------- */
+/**
+Create a new RAW handle
+@return Returns a new RAW handle if successful, returns NULL otherwise
+*/
+opj_raw_t* raw_create();
+/**
+Destroy a previously created RAW handle
+@param raw RAW handle to destroy
+*/
+void raw_destroy(opj_raw_t *raw);
+/**
+Return the number of bytes written/read since initialisation
+@param raw RAW handle to destroy
+@return Returns the number of bytes already encoded
+*/
+int raw_numbytes(opj_raw_t *raw);
+/**
+Initialize the decoder
+@param raw RAW handle
+@param bp Pointer to the start of the buffer from which the bytes will be read
+@param len Length of the input buffer
+*/
+void raw_init_dec(opj_raw_t *raw, unsigned char *bp, int len);
+/**
+Decode a symbol using raw-decoder. Cfr p.506 TAUBMAN
+@param raw RAW handle
+@return Returns the decoded symbol (0 or 1)
+*/
+int raw_decode(opj_raw_t *raw);
+/* ----------------------------------------------------------------------- */
+/*@}*/
+
+/*@}*/
+
+#endif /* __RAW_H */
-/*\r
- * Copyright (c) 2001-2003, David Janssens\r
- * Copyright (c) 2002-2003, Yannick Verschueren\r
- * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe\r
- * Copyright (c) 2005, Hervé Drolon, FreeImage Team\r
- * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium\r
- * All rights reserved.\r
- *\r
- * Redistribution and use in source and binary forms, with or without\r
- * modification, are permitted provided that the following conditions\r
- * are met:\r
- * 1. Redistributions of source code must retain the above copyright\r
- * notice, this list of conditions and the following disclaimer.\r
- * 2. Redistributions in binary form must reproduce the above copyright\r
- * notice, this list of conditions and the following disclaimer in the\r
- * documentation and/or other materials provided with the distribution.\r
- *\r
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'\r
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE\r
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\r
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\r
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\r
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\r
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
- * POSSIBILITY OF SUCH DAMAGE.\r
- */\r
-\r
-#include "opj_includes.h"\r
-\r
-/** @defgroup T1 T1 - Implementation of the tier-1 coding */\r
-/*@{*/\r
-\r
-/** @name Local static functions */\r
-/*@{*/\r
-\r
-static int t1_getctxno_zc(opj_t1_t *t1, int f, int orient);\r
-static int t1_getctxno_sc(opj_t1_t *t1, int f);\r
-static int t1_getctxno_mag(opj_t1_t *t1, int f);\r
-static int t1_getspb(opj_t1_t *t1, int f);\r
-static int t1_getnmsedec_sig(opj_t1_t *t1, int x, int bitpos);\r
-static int t1_getnmsedec_ref(opj_t1_t *t1, int x, int bitpos);\r
-static void t1_updateflags(int *fp, int s);\r
-/**\r
-Encode significant pass\r
-*/\r
-static void t1_enc_sigpass_step(opj_t1_t *t1, int *fp, int *dp, int orient, int bpno, int one, int *nmsedec, char type, int vsc);\r
-/**\r
-Decode significant pass\r
-*/\r
-static void t1_dec_sigpass_step(opj_t1_t *t1, int *fp, int *dp, int orient, int oneplushalf, char type, int vsc);\r
-/**\r
-Encode significant pass\r
-*/\r
-static void t1_enc_sigpass(opj_t1_t *t1, int w, int h, int bpno, int orient, int *nmsedec, char type, int cblksty);\r
-/**\r
-Decode significant pass\r
-*/\r
-static void t1_dec_sigpass(opj_t1_t *t1, int w, int h, int bpno, int orient, char type, int cblksty);\r
-/**\r
-Encode refinement pass\r
-*/\r
-static void t1_enc_refpass_step(opj_t1_t *t1, int *fp, int *dp, int bpno, int one, int *nmsedec, char type, int vsc);\r
-/**\r
-Decode refinement pass\r
-*/\r
-static void t1_dec_refpass_step(opj_t1_t *t1, int *fp, int *dp, int poshalf, int neghalf, char type, int vsc);\r
-/**\r
-Encode refinement pass\r
-*/\r
-static void t1_enc_refpass(opj_t1_t *t1, int w, int h, int bpno, int *nmsedec, char type, int cblksty);\r
-/**\r
-Decode refinement pass\r
-*/\r
-static void t1_dec_refpass(opj_t1_t *t1, int w, int h, int bpno, char type, int cblksty);\r
-/**\r
-Encode clean-up pass\r
-*/\r
-static void t1_enc_clnpass_step(opj_t1_t *t1, int *fp, int *dp, int orient, int bpno, int one, int *nmsedec, int partial, int vsc);\r
-/**\r
-Decode clean-up pass\r
-*/\r
-static void t1_dec_clnpass_step(opj_t1_t *t1, int *fp, int *dp, int orient, int oneplushalf, int partial, int vsc);\r
-/**\r
-Encode clean-up pass\r
-*/\r
-static void t1_enc_clnpass(opj_t1_t *t1, int w, int h, int bpno, int orient, int *nmsedec, int cblksty);\r
-/**\r
-Decode clean-up pass\r
-*/\r
-static void t1_dec_clnpass(opj_t1_t *t1, int w, int h, int bpno, int orient, int cblksty);\r
-static double t1_getwmsedec(int nmsedec, int compno, int level, int orient, int bpno, int qmfbid, double stepsize, int numcomps);\r
-/**\r
-Encode 1 code-block\r
-@param t1 T1 handle\r
-@param cblk Code-block coding parameters\r
-@param orient\r
-@param compno Component number\r
-@param level\r
-@param qmfbid\r
-@param stepsize\r
-@param cblksty Code-block style\r
-@param numcomps\r
-@param tile\r
-*/\r
-static void t1_encode_cblk(opj_t1_t *t1, opj_tcd_cblk_t * cblk, int orient, int compno, int level, int qmfbid, double stepsize, int cblksty, int numcomps, opj_tcd_tile_t * tile);\r
-/**\r
-Decode 1 code-block\r
-@param t1 T1 handle\r
-@param cblk Code-block coding parameters\r
-@param orient\r
-@param roishift Region of interest shifting value\r
-@param cblksty Code-block style\r
-*/\r
-static void t1_decode_cblk(opj_t1_t *t1, opj_tcd_cblk_t * cblk, int orient, int roishift, int cblksty);\r
-static int t1_init_ctxno_zc(int f, int orient);\r
-static int t1_init_ctxno_sc(int f);\r
-static int t1_init_ctxno_mag(int f);\r
-static int t1_init_spb(int f);\r
-/**\r
-Initialize the look-up tables of the Tier-1 coder/decoder\r
-@param t1 T1 handle\r
-*/\r
-static void t1_init_luts(opj_t1_t *t1);\r
-\r
-/*@}*/\r
-\r
-/*@}*/\r
-\r
-/* ----------------------------------------------------------------------- */\r
-\r
-static int t1_getctxno_zc(opj_t1_t *t1, int f, int orient) {\r
- return t1->lut_ctxno_zc[(orient << 8) | (f & T1_SIG_OTH)];\r
-}\r
-\r
-static int t1_getctxno_sc(opj_t1_t *t1, int f) {\r
- return t1->lut_ctxno_sc[(f & (T1_SIG_PRIM | T1_SGN)) >> 4];\r
-}\r
-\r
-static int t1_getctxno_mag(opj_t1_t *t1, int f) {\r
- return t1->lut_ctxno_mag[(f & T1_SIG_OTH) | (((f & T1_REFINE) != 0) << 11)];\r
-}\r
-\r
-static int t1_getspb(opj_t1_t *t1, int f) {\r
- return t1->lut_spb[(f & (T1_SIG_PRIM | T1_SGN)) >> 4];\r
-}\r
-\r
-static int t1_getnmsedec_sig(opj_t1_t *t1, int x, int bitpos) {\r
- if (bitpos > T1_NMSEDEC_FRACBITS) {\r
- return t1->lut_nmsedec_sig[(x >> (bitpos - T1_NMSEDEC_FRACBITS)) & ((1 << T1_NMSEDEC_BITS) - 1)];\r
- }\r
- \r
- return t1->lut_nmsedec_sig0[x & ((1 << T1_NMSEDEC_BITS) - 1)];\r
-}\r
-\r
-static int t1_getnmsedec_ref(opj_t1_t *t1, int x, int bitpos) {\r
- if (bitpos > T1_NMSEDEC_FRACBITS) {\r
- return t1->lut_nmsedec_ref[(x >> (bitpos - T1_NMSEDEC_FRACBITS)) & ((1 << T1_NMSEDEC_BITS) - 1)];\r
- }\r
-\r
- return t1->lut_nmsedec_ref0[x & ((1 << T1_NMSEDEC_BITS) - 1)];\r
-}\r
-\r
-static void t1_updateflags(int *fp, int s) {\r
- int *np = fp - (T1_MAXCBLKW + 2);\r
- int *sp = fp + (T1_MAXCBLKW + 2);\r
- np[-1] |= T1_SIG_SE;\r
- np[1] |= T1_SIG_SW;\r
- sp[-1] |= T1_SIG_NE;\r
- sp[1] |= T1_SIG_NW;\r
- *np |= T1_SIG_S;\r
- *sp |= T1_SIG_N;\r
- fp[-1] |= T1_SIG_E;\r
- fp[1] |= T1_SIG_W;\r
- if (s) {\r
- *np |= T1_SGN_S;\r
- *sp |= T1_SGN_N;\r
- fp[-1] |= T1_SGN_E;\r
- fp[1] |= T1_SGN_W;\r
- }\r
-}\r
-\r
-static void t1_enc_sigpass_step(opj_t1_t *t1, int *fp, int *dp, int orient, int bpno, int one, int *nmsedec, char type, int vsc) {\r
- int v, flag;\r
- \r
- opj_mqc_t *mqc = t1->mqc; /* MQC component */\r
- \r
- flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*fp);\r
- if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) {\r
- v = int_abs(*dp) & one ? 1 : 0;\r
- if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */\r
- mqc_setcurctx(mqc, t1_getctxno_zc(t1, flag, orient)); /* ESSAI */\r
- mqc_bypass_enc(mqc, v);\r
- } else {\r
- mqc_setcurctx(mqc, t1_getctxno_zc(t1, flag, orient));\r
- mqc_encode(mqc, v);\r
- }\r
- if (v) {\r
- v = *dp < 0 ? 1 : 0;\r
- *nmsedec += t1_getnmsedec_sig(t1, int_abs(*dp), bpno + T1_NMSEDEC_FRACBITS);\r
- if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */\r
- mqc_setcurctx(mqc, t1_getctxno_sc(t1, flag)); /* ESSAI */\r
- mqc_bypass_enc(mqc, v);\r
- } else {\r
- mqc_setcurctx(mqc, t1_getctxno_sc(t1, flag));\r
- mqc_encode(mqc, v ^ t1_getspb(t1, flag));\r
- }\r
- t1_updateflags(fp, v);\r
- *fp |= T1_SIG;\r
- }\r
- *fp |= T1_VISIT;\r
- }\r
-}\r
-\r
-static void t1_dec_sigpass_step(opj_t1_t *t1, int *fp, int *dp, int orient, int oneplushalf, char type, int vsc) {\r
- int v, flag;\r
- \r
- opj_raw_t *raw = t1->raw; /* RAW component */\r
- opj_mqc_t *mqc = t1->mqc; /* MQC component */\r
- \r
- flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*fp);\r
- if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) {\r
- if (type == T1_TYPE_RAW) {\r
- if (raw_decode(raw)) {\r
- v = raw_decode(raw); /* ESSAI */\r
- *dp = v ? -oneplushalf : oneplushalf;\r
- t1_updateflags(fp, v);\r
- *fp |= T1_SIG;\r
- }\r
- } else {\r
- mqc_setcurctx(mqc, t1_getctxno_zc(t1, flag, orient));\r
- if (mqc_decode(mqc)) {\r
- mqc_setcurctx(mqc, t1_getctxno_sc(t1, flag));\r
- v = mqc_decode(mqc) ^ t1_getspb(t1, flag);\r
- *dp = v ? -oneplushalf : oneplushalf;\r
- t1_updateflags(fp, v);\r
- *fp |= T1_SIG;\r
- }\r
- }\r
- *fp |= T1_VISIT;\r
- }\r
-} /* VSC and BYPASS by Antonin */\r
-\r
-static void t1_enc_sigpass(opj_t1_t *t1, int w, int h, int bpno, int orient, int *nmsedec, char type, int cblksty) {\r
- int i, j, k, one, vsc;\r
- *nmsedec = 0;\r
- one = 1 << (bpno + T1_NMSEDEC_FRACBITS);\r
- for (k = 0; k < h; k += 4) {\r
- for (i = 0; i < w; i++) {\r
- for (j = k; j < k + 4 && j < h; j++) {\r
- vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == h - 1)) ? 1 : 0;\r
- t1_enc_sigpass_step(t1, &t1->flags[1 + j][1 + i], &t1->data[j][i], orient, bpno, one, nmsedec, type, vsc);\r
- }\r
- }\r
- }\r
-}\r
-\r
-static void t1_dec_sigpass(opj_t1_t *t1, int w, int h, int bpno, int orient, char type, int cblksty) {\r
- int i, j, k, one, half, oneplushalf, vsc;\r
- one = 1 << bpno;\r
- half = one >> 1;\r
- oneplushalf = one | half;\r
- for (k = 0; k < h; k += 4) {\r
- for (i = 0; i < w; i++) {\r
- for (j = k; j < k + 4 && j < h; j++) {\r
- vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == h - 1)) ? 1 : 0;\r
- t1_dec_sigpass_step(t1, &t1->flags[1 + j][1 + i], &t1->data[j][i], orient, oneplushalf, type, vsc);\r
- }\r
- }\r
- }\r
-} /* VSC and BYPASS by Antonin */\r
-\r
-static void t1_enc_refpass_step(opj_t1_t *t1, int *fp, int *dp, int bpno, int one, int *nmsedec, char type, int vsc) {\r
- int v, flag;\r
- \r
- opj_mqc_t *mqc = t1->mqc; /* MQC component */\r
- \r
- flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*fp);\r
- if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) {\r
- *nmsedec += t1_getnmsedec_ref(t1, int_abs(*dp), bpno + T1_NMSEDEC_FRACBITS);\r
- v = int_abs(*dp) & one ? 1 : 0;\r
- if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */\r
- mqc_setcurctx(mqc, t1_getctxno_mag(t1, flag)); /* ESSAI */\r
- mqc_bypass_enc(mqc, v);\r
- } else {\r
- mqc_setcurctx(mqc, t1_getctxno_mag(t1, flag));\r
- mqc_encode(mqc, v);\r
- }\r
- *fp |= T1_REFINE;\r
- }\r
-}\r
-\r
-static void t1_dec_refpass_step(opj_t1_t *t1, int *fp, int *dp, int poshalf, int neghalf, char type, int vsc) {\r
- int v, t, flag;\r
- \r
- opj_mqc_t *mqc = t1->mqc; /* MQC component */\r
- opj_raw_t *raw = t1->raw; /* RAW component */\r
- \r
- flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*fp);\r
- if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) {\r
- if (type == T1_TYPE_RAW) {\r
- mqc_setcurctx(mqc, t1_getctxno_mag(t1, flag)); /* ESSAI */\r
- v = raw_decode(raw);\r
- } else {\r
- mqc_setcurctx(mqc, t1_getctxno_mag(t1, flag));\r
- v = mqc_decode(mqc);\r
- }\r
- t = v ? poshalf : neghalf;\r
- *dp += *dp < 0 ? -t : t;\r
- *fp |= T1_REFINE;\r
- }\r
-} /* VSC and BYPASS by Antonin */\r
-\r
-static void t1_enc_refpass(opj_t1_t *t1, int w, int h, int bpno, int *nmsedec, char type, int cblksty) {\r
- int i, j, k, one, vsc;\r
- *nmsedec = 0;\r
- one = 1 << (bpno + T1_NMSEDEC_FRACBITS);\r
- for (k = 0; k < h; k += 4) {\r
- for (i = 0; i < w; i++) {\r
- for (j = k; j < k + 4 && j < h; j++) {\r
- vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == h - 1)) ? 1 : 0;\r
- t1_enc_refpass_step(t1, &t1->flags[1 + j][1 + i], &t1->data[j][i], bpno, one, nmsedec, type, vsc);\r
- }\r
- }\r
- }\r
-}\r
-\r
-static void t1_dec_refpass(opj_t1_t *t1, int w, int h, int bpno, char type, int cblksty) {\r
- int i, j, k, one, poshalf, neghalf;\r
- int vsc;\r
- one = 1 << bpno;\r
- poshalf = one >> 1;\r
- neghalf = bpno > 0 ? -poshalf : -1;\r
- for (k = 0; k < h; k += 4) {\r
- for (i = 0; i < w; i++) {\r
- for (j = k; j < k + 4 && j < h; j++) {\r
- vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == h - 1)) ? 1 : 0;\r
- t1_dec_refpass_step(t1, &t1->flags[1 + j][1 + i], &t1->data[j][i], poshalf, neghalf, type, vsc);\r
- }\r
- }\r
- }\r
-} /* VSC and BYPASS by Antonin */\r
-\r
-static void t1_enc_clnpass_step(opj_t1_t *t1, int *fp, int *dp, int orient, int bpno, int one, int *nmsedec, int partial, int vsc) {\r
- int v, flag;\r
- \r
- opj_mqc_t *mqc = t1->mqc; /* MQC component */\r
- \r
- flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*fp);\r
- if (partial) {\r
- goto LABEL_PARTIAL;\r
- }\r
- if (!(*fp & (T1_SIG | T1_VISIT))) {\r
- mqc_setcurctx(mqc, t1_getctxno_zc(t1, flag, orient));\r
- v = int_abs(*dp) & one ? 1 : 0;\r
- mqc_encode(mqc, v);\r
- if (v) {\r
-LABEL_PARTIAL:\r
- *nmsedec += t1_getnmsedec_sig(t1, int_abs(*dp), bpno + T1_NMSEDEC_FRACBITS);\r
- mqc_setcurctx(mqc, t1_getctxno_sc(t1, flag));\r
- v = *dp < 0 ? 1 : 0;\r
- mqc_encode(mqc, v ^ t1_getspb(t1, flag));\r
- t1_updateflags(fp, v);\r
- *fp |= T1_SIG;\r
- }\r
- }\r
- *fp &= ~T1_VISIT;\r
-}\r
-\r
-static void t1_dec_clnpass_step(opj_t1_t *t1, int *fp, int *dp, int orient, int oneplushalf, int partial, int vsc) {\r
- int v, flag;\r
- \r
- opj_mqc_t *mqc = t1->mqc; /* MQC component */\r
- \r
- flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*fp);\r
- if (partial) {\r
- goto LABEL_PARTIAL;\r
- }\r
- if (!(flag & (T1_SIG | T1_VISIT))) {\r
- mqc_setcurctx(mqc, t1_getctxno_zc(t1, flag, orient));\r
- if (mqc_decode(mqc)) {\r
-LABEL_PARTIAL:\r
- mqc_setcurctx(mqc, t1_getctxno_sc(t1, flag));\r
- v = mqc_decode(mqc) ^ t1_getspb(t1, flag);\r
- *dp = v ? -oneplushalf : oneplushalf;\r
- t1_updateflags(fp, v);\r
- *fp |= T1_SIG;\r
- }\r
- }\r
- *fp &= ~T1_VISIT;\r
-} /* VSC and BYPASS by Antonin */\r
-\r
-static void t1_enc_clnpass(opj_t1_t *t1, int w, int h, int bpno, int orient, int *nmsedec, int cblksty) {\r
- int i, j, k, one, agg, runlen, vsc;\r
- \r
- opj_mqc_t *mqc = t1->mqc; /* MQC component */\r
- \r
- *nmsedec = 0;\r
- one = 1 << (bpno + T1_NMSEDEC_FRACBITS);\r
- for (k = 0; k < h; k += 4) {\r
- for (i = 0; i < w; i++) {\r
- if (k + 3 < h) {\r
- if (cblksty & J2K_CCP_CBLKSTY_VSC) {\r
- agg = !(t1->flags[1 + k][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)\r
- || t1->flags[1 + k + 1][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)\r
- || t1->flags[1 + k + 2][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)\r
- || (t1->flags[1 + k + 3][1 + i] \r
- & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) & (T1_SIG | T1_VISIT | T1_SIG_OTH));\r
- } else {\r
- agg = !(t1->flags[1 + k][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)\r
- || t1->flags[1 + k + 1][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)\r
- || t1->flags[1 + k + 2][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)\r
- || t1->flags[1 + k + 3][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH));\r
- }\r
- } else {\r
- agg = 0;\r
- }\r
- if (agg) {\r
- for (runlen = 0; runlen < 4; runlen++) {\r
- if (int_abs(t1->data[k + runlen][i]) & one)\r
- break;\r
- }\r
- mqc_setcurctx(mqc, T1_CTXNO_AGG);\r
- mqc_encode(mqc, runlen != 4);\r
- if (runlen == 4) {\r
- continue;\r
- }\r
- mqc_setcurctx(mqc, T1_CTXNO_UNI);\r
- mqc_encode(mqc, runlen >> 1);\r
- mqc_encode(mqc, runlen & 1);\r
- } else {\r
- runlen = 0;\r
- }\r
- for (j = k + runlen; j < k + 4 && j < h; j++) {\r
- vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == h - 1)) ? 1 : 0;\r
- t1_enc_clnpass_step(t1, &t1->flags[1 + j][1 + i], &t1->data[j][i], orient, bpno, one, nmsedec, agg && (j == k + runlen), vsc);\r
- }\r
- }\r
- }\r
-}\r
-\r
-static void t1_dec_clnpass(opj_t1_t *t1, int w, int h, int bpno, int orient, int cblksty) {\r
- int i, j, k, one, half, oneplushalf, agg, runlen, vsc;\r
- int segsym = cblksty & J2K_CCP_CBLKSTY_SEGSYM;\r
- \r
- opj_mqc_t *mqc = t1->mqc; /* MQC component */\r
- \r
- one = 1 << bpno;\r
- half = one >> 1;\r
- oneplushalf = one | half;\r
- for (k = 0; k < h; k += 4) {\r
- for (i = 0; i < w; i++) {\r
- if (k + 3 < h) {\r
- if (cblksty & J2K_CCP_CBLKSTY_VSC) {\r
- agg = !(t1->flags[1 + k][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)\r
- || t1->flags[1 + k + 1][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)\r
- || t1->flags[1 + k + 2][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)\r
- || (t1->flags[1 + k + 3][1 + i] \r
- & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) & (T1_SIG | T1_VISIT | T1_SIG_OTH));\r
- } else {\r
- agg = !(t1->flags[1 + k][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)\r
- || t1->flags[1 + k + 1][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)\r
- || t1->flags[1 + k + 2][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)\r
- || t1->flags[1 + k + 3][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH));\r
- }\r
- } else {\r
- agg = 0;\r
- }\r
- if (agg) {\r
- mqc_setcurctx(mqc, T1_CTXNO_AGG);\r
- if (!mqc_decode(mqc)) {\r
- continue;\r
- }\r
- mqc_setcurctx(mqc, T1_CTXNO_UNI);\r
- runlen = mqc_decode(mqc);\r
- runlen = (runlen << 1) | mqc_decode(mqc);\r
- } else {\r
- runlen = 0;\r
- }\r
- for (j = k + runlen; j < k + 4 && j < h; j++) {\r
- vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == h - 1)) ? 1 : 0;\r
- t1_dec_clnpass_step(t1, &t1->flags[1 + j][1 + i], &t1->data[j][i], orient, oneplushalf, agg && (j == k + runlen), vsc);\r
- }\r
- }\r
- }\r
- if (segsym) {\r
- int v = 0;\r
- mqc_setcurctx(mqc, T1_CTXNO_UNI);\r
- v = mqc_decode(mqc);\r
- v = (v << 1) | mqc_decode(mqc);\r
- v = (v << 1) | mqc_decode(mqc);\r
- v = (v << 1) | mqc_decode(mqc);\r
- /*\r
- if (v!=0xa) {\r
- opj_event_msg(t1->cinfo, EVT_WARNING, "Bad segmentation symbol %x\n", v);\r
- } \r
- */\r
- }\r
-} /* VSC and BYPASS by Antonin */\r
-\r
-\r
-/** mod fixed_quality */\r
-static double t1_getwmsedec(int nmsedec, int compno, int level, int orient, int bpno, int qmfbid, double stepsize, int numcomps) {\r
- double w1, w2, wmsedec;\r
- if (qmfbid == 1) {\r
- w1 = (numcomps > 1) ? mct_getnorm(compno) : 1;\r
- w2 = dwt_getnorm(level, orient);\r
- } else { /* if (qmfbid == 0) */\r
- w1 = (numcomps > 1) ? mct_getnorm_real(compno) : 1;\r
- w2 = dwt_getnorm_real(level, orient);\r
- }\r
- wmsedec = w1 * w2 * stepsize * (1 << bpno);\r
- wmsedec *= wmsedec * nmsedec / 8192.0;\r
- \r
- return wmsedec;\r
-}\r
-\r
-/** mod fixed_quality */\r
-static void t1_encode_cblk(opj_t1_t *t1, opj_tcd_cblk_t * cblk, int orient, int compno, int level, int qmfbid, double stepsize, int cblksty, int numcomps, opj_tcd_tile_t * tile) {\r
- int i, j;\r
- int w, h;\r
- int passno;\r
- int bpno, passtype;\r
- int max;\r
- int nmsedec;\r
- double cumwmsedec = 0;\r
- char type = T1_TYPE_MQ;\r
- \r
- opj_mqc_t *mqc = t1->mqc; /* MQC component */\r
- \r
- w = cblk->x1 - cblk->x0;\r
- h = cblk->y1 - cblk->y0;\r
- \r
- max = 0;\r
- for (j = 0; j < h; j++) {\r
- for (i = 0; i < w; i++) {\r
- max = int_max(max, int_abs(t1->data[j][i]));\r
- }\r
- }\r
- \r
- cblk->numbps = max ? (int_floorlog2(max) + 1) - T1_NMSEDEC_FRACBITS : 0;\r
- \r
- /* Changed by Dmitry Kolyadin */\r
- for (i = 0; i <= w; i++) {\r
- for (j = 0; j <= h; j++) {\r
- t1->flags[j][i] = 0;\r
- }\r
- }\r
- \r
- bpno = cblk->numbps - 1;\r
- passtype = 2;\r
- \r
- mqc_resetstates(mqc);\r
- mqc_setstate(mqc, T1_CTXNO_UNI, 0, 46);\r
- mqc_setstate(mqc, T1_CTXNO_AGG, 0, 3);\r
- mqc_setstate(mqc, T1_CTXNO_ZC, 0, 4);\r
- mqc_init_enc(mqc, cblk->data);\r
- \r
- for (passno = 0; bpno >= 0; passno++) {\r
- opj_tcd_pass_t *pass = &cblk->passes[passno];\r
- int correction = 3;\r
- type = ((bpno < (cblk->numbps - 4)) && (passtype < 2) && (cblksty & J2K_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW : T1_TYPE_MQ;\r
- \r
- switch (passtype) {\r
- case 0:\r
- t1_enc_sigpass(t1, w, h, bpno, orient, &nmsedec, type, cblksty);\r
- break;\r
- case 1:\r
- t1_enc_refpass(t1, w, h, bpno, &nmsedec, type, cblksty);\r
- break;\r
- case 2:\r
- t1_enc_clnpass(t1, w, h, bpno, orient, &nmsedec, cblksty);\r
- /* code switch SEGMARK (i.e. SEGSYM) */\r
- if (cblksty & J2K_CCP_CBLKSTY_SEGSYM)\r
- mqc_segmark_enc(mqc);\r
- break;\r
- }\r
- \r
- /* fixed_quality */\r
- cumwmsedec += t1_getwmsedec(nmsedec, compno, level, orient, bpno, qmfbid, stepsize, numcomps);\r
- tile->distotile += t1_getwmsedec(nmsedec, compno, level, orient, bpno, qmfbid, stepsize, numcomps);\r
- \r
- /* Code switch "RESTART" (i.e. TERMALL) */\r
- if ((cblksty & J2K_CCP_CBLKSTY_TERMALL) && !((passtype == 2) && (bpno - 1 < 0))) {\r
- if (type == T1_TYPE_RAW) {\r
- mqc_flush(mqc);\r
- correction = 1;\r
- /* correction = mqc_bypass_flush_enc(); */\r
- } else { /* correction = mqc_restart_enc(); */\r
- mqc_flush(mqc);\r
- correction = 1;\r
- }\r
- pass->term = 1;\r
- } else {\r
- if (((bpno < (cblk->numbps - 4) && (passtype > 0)) \r
- || ((bpno == (cblk->numbps - 4)) && (passtype == 2))) && (cblksty & J2K_CCP_CBLKSTY_LAZY)) {\r
- if (type == T1_TYPE_RAW) {\r
- mqc_flush(mqc);\r
- correction = 1;\r
- /* correction = mqc_bypass_flush_enc(); */\r
- } else { /* correction = mqc_restart_enc(); */\r
- mqc_flush(mqc);\r
- correction = 1;\r
- }\r
- pass->term = 1;\r
- } else {\r
- pass->term = 0;\r
- }\r
- }\r
- \r
- if (++passtype == 3) {\r
- passtype = 0;\r
- bpno--;\r
- }\r
- \r
- if (pass->term && bpno > 0) {\r
- type = ((bpno < (cblk->numbps - 4)) && (passtype < 2) && (cblksty & J2K_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW : T1_TYPE_MQ;\r
- if (type == T1_TYPE_RAW)\r
- mqc_bypass_init_enc(mqc);\r
- else\r
- mqc_restart_init_enc(mqc);\r
- }\r
- \r
- pass->distortiondec = cumwmsedec;\r
- pass->rate = mqc_numbytes(mqc) + correction; /* FIXME */\r
- pass->len = pass->rate - (passno == 0 ? 0 : cblk->passes[passno - 1].rate);\r
- \r
- /* Code-switch "RESET" */\r
- if (cblksty & J2K_CCP_CBLKSTY_RESET)\r
- mqc_reset_enc(mqc);\r
- }\r
- \r
- /* Code switch "ERTERM" (i.e. PTERM) */\r
- if (cblksty & J2K_CCP_CBLKSTY_PTERM)\r
- mqc_erterm_enc(mqc);\r
- else /* Default coding */ if (!(cblksty & J2K_CCP_CBLKSTY_LAZY))\r
- mqc_flush(mqc);\r
- \r
- cblk->totalpasses = passno;\r
-}\r
-\r
-static void t1_decode_cblk(opj_t1_t *t1, opj_tcd_cblk_t * cblk, int orient, int roishift, int cblksty) {\r
- int i, j, w, h;\r
- int bpno, passtype;\r
- int segno, passno;\r
- char type = T1_TYPE_MQ; /* BYPASS mode */\r
- \r
- opj_raw_t *raw = t1->raw; /* RAW component */\r
- opj_mqc_t *mqc = t1->mqc; /* MQC component */\r
- \r
- w = cblk->x1 - cblk->x0;\r
- h = cblk->y1 - cblk->y0;\r
- \r
- /* Changed by Dmitry Kolyadin */\r
- for (j = 0; j <= h; j++) {\r
- for (i = 0; i <= w; i++) {\r
- t1->flags[j][i] = 0;\r
- }\r
- }\r
- \r
- /* Changed by Dmitry Kolyadin */\r
- for (i = 0; i < w; i++) {\r
- for (j = 0; j < h; j++){\r
- t1->data[j][i] = 0;\r
- }\r
- }\r
- \r
- bpno = roishift + cblk->numbps - 1;\r
- passtype = 2;\r
- \r
- mqc_resetstates(mqc);\r
- mqc_setstate(mqc, T1_CTXNO_UNI, 0, 46);\r
- mqc_setstate(mqc, T1_CTXNO_AGG, 0, 3);\r
- mqc_setstate(mqc, T1_CTXNO_ZC, 0, 4);\r
- \r
- for (segno = 0; segno < cblk->numsegs; segno++) {\r
- opj_tcd_seg_t *seg = &cblk->segs[segno];\r
- \r
- /* BYPASS mode */\r
- type = ((bpno <= (cblk->numbps - 1) - 4) && (passtype < 2) && (cblksty & J2K_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW : T1_TYPE_MQ;\r
- if (type == T1_TYPE_RAW) {\r
- raw_init_dec(raw, seg->data, seg->len);\r
- } else {\r
- mqc_init_dec(mqc, seg->data, seg->len);\r
- }\r
- \r
- for (passno = 0; passno < seg->numpasses; passno++) {\r
- switch (passtype) {\r
- case 0:\r
- t1_dec_sigpass(t1, w, h, bpno+1, orient, type, cblksty);\r
- break;\r
- case 1:\r
- t1_dec_refpass(t1, w, h, bpno+1, type, cblksty);\r
- break;\r
- case 2:\r
- t1_dec_clnpass(t1, w, h, bpno+1, orient, cblksty);\r
- break;\r
- }\r
- \r
- if ((cblksty & J2K_CCP_CBLKSTY_RESET) && type == T1_TYPE_MQ) {\r
- mqc_resetstates(mqc);\r
- mqc_setstate(mqc, T1_CTXNO_UNI, 0, 46); \r
- mqc_setstate(mqc, T1_CTXNO_AGG, 0, 3);\r
- mqc_setstate(mqc, T1_CTXNO_ZC, 0, 4);\r
- }\r
- if (++passtype == 3) {\r
- passtype = 0;\r
- bpno--;\r
- }\r
- }\r
- }\r
-}\r
-\r
-static int t1_init_ctxno_zc(int f, int orient) {\r
- int h, v, d, n, t, hv;\r
- n = 0;\r
- h = ((f & T1_SIG_W) != 0) + ((f & T1_SIG_E) != 0);\r
- v = ((f & T1_SIG_N) != 0) + ((f & T1_SIG_S) != 0);\r
- d = ((f & T1_SIG_NW) != 0) + ((f & T1_SIG_NE) != 0) + ((f & T1_SIG_SE) != 0) + ((f & T1_SIG_SW) != 0);\r
- \r
- switch (orient) {\r
- case 2:\r
- t = h;\r
- h = v;\r
- v = t;\r
- case 0:\r
- case 1:\r
- if (!h) {\r
- if (!v) {\r
- if (!d)\r
- n = 0;\r
- else if (d == 1)\r
- n = 1;\r
- else\r
- n = 2;\r
- } else if (v == 1) {\r
- n = 3;\r
- } else {\r
- n = 4;\r
- }\r
- } else if (h == 1) {\r
- if (!v) {\r
- if (!d)\r
- n = 5;\r
- else\r
- n = 6;\r
- } else {\r
- n = 7;\r
- }\r
- } else\r
- n = 8;\r
- break;\r
- case 3:\r
- hv = h + v;\r
- if (!d) {\r
- if (!hv) {\r
- n = 0;\r
- } else if (hv == 1) {\r
- n = 1;\r
- } else {\r
- n = 2;\r
- }\r
- } else if (d == 1) {\r
- if (!hv) {\r
- n = 3;\r
- } else if (hv == 1) {\r
- n = 4;\r
- } else {\r
- n = 5;\r
- }\r
- } else if (d == 2) {\r
- if (!hv) {\r
- n = 6;\r
- } else {\r
- n = 7;\r
- }\r
- } else {\r
- n = 8;\r
- }\r
- break;\r
- }\r
- \r
- return (T1_CTXNO_ZC + n);\r
-}\r
-\r
-static int t1_init_ctxno_sc(int f) {\r
- int hc, vc, n;\r
- n = 0;\r
-\r
- hc = int_min(((f & (T1_SIG_E | T1_SGN_E)) ==\r
- T1_SIG_E) + ((f & (T1_SIG_W | T1_SGN_W)) == T1_SIG_W),\r
- 1) - int_min(((f & (T1_SIG_E | T1_SGN_E)) ==\r
- (T1_SIG_E | T1_SGN_E)) +\r
- ((f & (T1_SIG_W | T1_SGN_W)) ==\r
- (T1_SIG_W | T1_SGN_W)), 1);\r
- \r
- vc = int_min(((f & (T1_SIG_N | T1_SGN_N)) ==\r
- T1_SIG_N) + ((f & (T1_SIG_S | T1_SGN_S)) == T1_SIG_S),\r
- 1) - int_min(((f & (T1_SIG_N | T1_SGN_N)) ==\r
- (T1_SIG_N | T1_SGN_N)) +\r
- ((f & (T1_SIG_S | T1_SGN_S)) ==\r
- (T1_SIG_S | T1_SGN_S)), 1);\r
- \r
- if (hc < 0) {\r
- hc = -hc;\r
- vc = -vc;\r
- }\r
- if (!hc) {\r
- if (vc == -1)\r
- n = 1;\r
- else if (!vc)\r
- n = 0;\r
- else\r
- n = 1;\r
- } else if (hc == 1) {\r
- if (vc == -1)\r
- n = 2;\r
- else if (!vc)\r
- n = 3;\r
- else\r
- n = 4;\r
- }\r
- \r
- return (T1_CTXNO_SC + n);\r
-}\r
-\r
-static int t1_init_ctxno_mag(int f) {\r
- int n;\r
- if (!(f & T1_REFINE))\r
- n = (f & (T1_SIG_OTH)) ? 1 : 0;\r
- else\r
- n = 2;\r
- \r
- return (T1_CTXNO_MAG + n);\r
-}\r
-\r
-static int t1_init_spb(int f) {\r
- int hc, vc, n;\r
- \r
- hc = int_min(((f & (T1_SIG_E | T1_SGN_E)) ==\r
- T1_SIG_E) + ((f & (T1_SIG_W | T1_SGN_W)) == T1_SIG_W),\r
- 1) - int_min(((f & (T1_SIG_E | T1_SGN_E)) ==\r
- (T1_SIG_E | T1_SGN_E)) +\r
- ((f & (T1_SIG_W | T1_SGN_W)) ==\r
- (T1_SIG_W | T1_SGN_W)), 1);\r
- \r
- vc = int_min(((f & (T1_SIG_N | T1_SGN_N)) ==\r
- T1_SIG_N) + ((f & (T1_SIG_S | T1_SGN_S)) == T1_SIG_S),\r
- 1) - int_min(((f & (T1_SIG_N | T1_SGN_N)) ==\r
- (T1_SIG_N | T1_SGN_N)) +\r
- ((f & (T1_SIG_S | T1_SGN_S)) ==\r
- (T1_SIG_S | T1_SGN_S)), 1);\r
- \r
- if (!hc && !vc)\r
- n = 0;\r
- else\r
- n = (!(hc > 0 || (!hc && vc > 0)));\r
- \r
- return n;\r
-}\r
-\r
-static void t1_init_luts(opj_t1_t *t1) {\r
- int i, j;\r
- double u, v, t;\r
- for (j = 0; j < 4; j++) {\r
- for (i = 0; i < 256; ++i) {\r
- t1->lut_ctxno_zc[(j << 8) | i] = t1_init_ctxno_zc(i, j);\r
- }\r
- }\r
- for (i = 0; i < 256; i++) {\r
- t1->lut_ctxno_sc[i] = t1_init_ctxno_sc(i << 4);\r
- }\r
- for (j = 0; j < 2; j++) {\r
- for (i = 0; i < 2048; ++i) {\r
- t1->lut_ctxno_mag[(j << 11) + i] = t1_init_ctxno_mag((j ? T1_REFINE : 0) | i);\r
- }\r
- }\r
- for (i = 0; i < 256; ++i) {\r
- t1->lut_spb[i] = t1_init_spb(i << 4);\r
- }\r
- /* FIXME FIXME FIXME */\r
- /* fprintf(stdout,"nmsedec luts:\n"); */\r
- for (i = 0; i < (1 << T1_NMSEDEC_BITS); i++) {\r
- t = i / pow(2, T1_NMSEDEC_FRACBITS);\r
- u = t;\r
- v = t - 1.5;\r
- t1->lut_nmsedec_sig[i] = \r
- int_max(0, \r
- (int) (floor((u * u - v * v) * pow(2, T1_NMSEDEC_FRACBITS) + 0.5) / pow(2, T1_NMSEDEC_FRACBITS) * 8192.0));\r
- t1->lut_nmsedec_sig0[i] =\r
- int_max(0,\r
- (int) (floor((u * u) * pow(2, T1_NMSEDEC_FRACBITS) + 0.5) / pow(2, T1_NMSEDEC_FRACBITS) * 8192.0));\r
- u = t - 1.0;\r
- if (i & (1 << (T1_NMSEDEC_BITS - 1))) {\r
- v = t - 1.5;\r
- } else {\r
- v = t - 0.5;\r
- }\r
- t1->lut_nmsedec_ref[i] =\r
- int_max(0,\r
- (int) (floor((u * u - v * v) * pow(2, T1_NMSEDEC_FRACBITS) + 0.5) / pow(2, T1_NMSEDEC_FRACBITS) * 8192.0));\r
- t1->lut_nmsedec_ref0[i] =\r
- int_max(0,\r
- (int) (floor((u * u) * pow(2, T1_NMSEDEC_FRACBITS) + 0.5) / pow(2, T1_NMSEDEC_FRACBITS) * 8192.0));\r
- }\r
-}\r
-\r
-/* ----------------------------------------------------------------------- */\r
-\r
-opj_t1_t* t1_create(opj_common_ptr cinfo) {\r
- opj_t1_t *t1 = (opj_t1_t*)opj_malloc(sizeof(opj_t1_t));\r
- if(t1) {\r
- t1->cinfo = cinfo;\r
- /* create MQC and RAW handles */\r
- t1->mqc = mqc_create();\r
- t1->raw = raw_create();\r
- /* initialize the look-up tables of the Tier-1 coder/decoder */\r
- t1_init_luts(t1);\r
- }\r
- return t1;\r
-}\r
-\r
-void t1_destroy(opj_t1_t *t1) {\r
- if(t1) {\r
- /* destroy MQC and RAW handles */\r
- mqc_destroy(t1->mqc);\r
- raw_destroy(t1->raw);\r
- opj_free(t1);\r
- }\r
-}\r
-\r
-void t1_encode_cblks(opj_t1_t *t1, opj_tcd_tile_t *tile, opj_tcp_t *tcp) {\r
- int compno, resno, bandno, precno, cblkno;\r
- int x, y, i, j, orient;\r
- \r
- tile->distotile = 0; /* fixed_quality */\r
-\r
- for (compno = 0; compno < tile->numcomps; compno++) {\r
- opj_tcd_tilecomp_t *tilec = &tile->comps[compno];\r
-\r
- for (resno = 0; resno < tilec->numresolutions; resno++) {\r
- opj_tcd_resolution_t *res = &tilec->resolutions[resno];\r
-\r
- for (bandno = 0; bandno < res->numbands; bandno++) {\r
- opj_tcd_band_t *band = &res->bands[bandno];\r
-\r
- for (precno = 0; precno < res->pw * res->ph; precno++) {\r
- opj_tcd_precinct_t *prc = &band->precincts[precno];\r
-\r
- for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {\r
- opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];\r
-\r
- if (band->bandno == 0) {\r
- x = cblk->x0 - band->x0;\r
- y = cblk->y0 - band->y0;\r
- } else if (band->bandno == 1) {\r
- opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];\r
- x = pres->x1 - pres->x0 + cblk->x0 - band->x0;\r
- y = cblk->y0 - band->y0;\r
- } else if (band->bandno == 2) {\r
- opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];\r
- x = cblk->x0 - band->x0;\r
- y = pres->y1 - pres->y0 + cblk->y0 - band->y0;\r
- } else { /* if (band->bandno == 3) */\r
- opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];\r
- x = pres->x1 - pres->x0 + cblk->x0 - band->x0;\r
- y = pres->y1 - pres->y0 + cblk->y0 - band->y0;\r
- }\r
- \r
- if (tcp->tccps[compno].qmfbid == 1) {\r
- for (j = 0; j < cblk->y1 - cblk->y0; j++) {\r
- for (i = 0; i < cblk->x1 - cblk->x0; i++) {\r
- t1->data[j][i] = \r
- tilec->data[(x + i) + (y + j) * (tilec->x1 - tilec->x0)] << T1_NMSEDEC_FRACBITS;\r
- }\r
- }\r
- } else if (tcp->tccps[compno].qmfbid == 0) {\r
- for (j = 0; j < cblk->y1 - cblk->y0; j++) {\r
- for (i = 0; i < cblk->x1 - cblk->x0; i++) {\r
- t1->data[j][i] = \r
- fix_mul(\r
- tilec->data[x + i + (y + j) * (tilec->x1 - tilec->x0)], \r
- 8192 * 8192 / ((int) floor(band->stepsize * 8192))) >> (13 - T1_NMSEDEC_FRACBITS);\r
- }\r
- }\r
- }\r
- orient = band->bandno; /* FIXME */\r
- if (orient == 2) {\r
- orient = 1;\r
- } else if (orient == 1) {\r
- orient = 2;\r
- }\r
-\r
- t1_encode_cblk(t1, cblk, orient, compno, tilec->numresolutions - 1 - resno, tcp->tccps[compno].qmfbid, band->stepsize, tcp->tccps[compno].cblksty, tile->numcomps, tile);\r
-\r
- } /* cblkno */\r
- } /* precno */\r
- } /* bandno */\r
- } /* resno */\r
- } /* compno */\r
-}\r
-\r
-void t1_decode_cblks(opj_t1_t *t1, opj_tcd_tile_t *tile, opj_tcp_t *tcp) {\r
- int compno, resno, bandno, precno, cblkno;\r
- \r
- for (compno = 0; compno < tile->numcomps; compno++) {\r
- opj_tcd_tilecomp_t *tilec = &tile->comps[compno];\r
-\r
- for (resno = 0; resno < tilec->numresolutions; resno++) {\r
- opj_tcd_resolution_t *res = &tilec->resolutions[resno];\r
-\r
- for (bandno = 0; bandno < res->numbands; bandno++) {\r
- opj_tcd_band_t *band = &res->bands[bandno];\r
-\r
- for (precno = 0; precno < res->pw * res->ph; precno++) {\r
- opj_tcd_precinct_t *prc = &band->precincts[precno];\r
-\r
- for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {\r
- int x, y, i, j, orient;\r
- opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];\r
-\r
- orient = band->bandno; /* FIXME */\r
- if (orient == 2) {\r
- orient = 1;\r
- } else if (orient == 1) {\r
- orient = 2;\r
- }\r
- \r
- t1_decode_cblk(t1, cblk, orient, tcp->tccps[compno].roishift, tcp->tccps[compno].cblksty);\r
-\r
- if (band->bandno == 0) {\r
- x = cblk->x0 - band->x0;\r
- y = cblk->y0 - band->y0;\r
- } else if (band->bandno == 1) {\r
- opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];\r
- x = pres->x1 - pres->x0 + cblk->x0 - band->x0;\r
- y = cblk->y0 - band->y0;\r
- } else if (band->bandno == 2) {\r
- opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];\r
- x = cblk->x0 - band->x0;\r
- y = pres->y1 - pres->y0 + cblk->y0 - band->y0;\r
- } else { /* if (band->bandno == 3) */\r
- opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];\r
- x = pres->x1 - pres->x0 + cblk->x0 - band->x0;\r
- y = pres->y1 - pres->y0 + cblk->y0 - band->y0;\r
- }\r
- \r
- if (tcp->tccps[compno].roishift) {\r
- int thresh, val, mag;\r
- thresh = 1 << tcp->tccps[compno].roishift;\r
- for (j = 0; j < cblk->y1 - cblk->y0; j++) {\r
- for (i = 0; i < cblk->x1 - cblk->x0; i++) {\r
- val = t1->data[j][i];\r
- mag = int_abs(val);\r
- if (mag >= thresh) {\r
- mag >>= tcp->tccps[compno].roishift;\r
- t1->data[j][i] = val < 0 ? -mag : mag;\r
- }\r
- }\r
- }\r
- }\r
- \r
- if (tcp->tccps[compno].qmfbid == 1) {\r
- for (j = 0; j < cblk->y1 - cblk->y0; j++) {\r
- for (i = 0; i < cblk->x1 - cblk->x0; i++) {\r
- int tmp = t1->data[j][i];\r
- if(tmp >> 1 == 0) {\r
- tilec->data[x + i + (y + j) * (tilec->x1 - tilec->x0)] = 0;\r
- } else {\r
- tilec->data[x + i + (y + j) * (tilec->x1 - tilec->x0)] = tmp<0?(tmp>>1)+1:(tmp>>1);\r
- }\r
- }\r
- }\r
- } else { /* if (tcp->tccps[compno].qmfbid == 0) */\r
- for (j = 0; j < cblk->y1 - cblk->y0; j++) {\r
- for (i = 0; i < cblk->x1 - cblk->x0; i++) {\r
- double tmp = (double)(t1->data[j][i] * band->stepsize * 4096.0);\r
- if (t1->data[j][i] >> 1 == 0) {\r
- tilec->data[x + i + (y + j) * (tilec->x1 - tilec->x0)] = 0;\r
- } else {\r
- int tmp2 = ((int) (floor(fabs(tmp)))) + ((int) floor(fabs(tmp*2))%2);\r
- tilec->data[x + i + (y + j) * (tilec->x1 - tilec->x0)] = ((tmp<0)?-tmp2:tmp2);\r
- }\r
- }\r
- }\r
- }\r
- } /* cblkno */\r
- } /* precno */\r
- } /* bandno */\r
- } /* resno */\r
- } /* compno */\r
-}\r
-\r
+/*
+ * Copyright (c) 2001-2003, David Janssens
+ * Copyright (c) 2002-2003, Yannick Verschueren
+ * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
+ * Copyright (c) 2005, Hervé Drolon, FreeImage Team
+ * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "opj_includes.h"
+
+/** @defgroup T1 T1 - Implementation of the tier-1 coding */
+/*@{*/
+
+/** @name Local static functions */
+/*@{*/
+
+static int t1_getctxno_zc(opj_t1_t *t1, int f, int orient);
+static int t1_getctxno_sc(opj_t1_t *t1, int f);
+static int t1_getctxno_mag(opj_t1_t *t1, int f);
+static int t1_getspb(opj_t1_t *t1, int f);
+static int t1_getnmsedec_sig(opj_t1_t *t1, int x, int bitpos);
+static int t1_getnmsedec_ref(opj_t1_t *t1, int x, int bitpos);
+static void t1_updateflags(int *fp, int s);
+/**
+Encode significant pass
+*/
+static void t1_enc_sigpass_step(opj_t1_t *t1, int *fp, int *dp, int orient, int bpno, int one, int *nmsedec, char type, int vsc);
+/**
+Decode significant pass
+*/
+static void t1_dec_sigpass_step(opj_t1_t *t1, int *fp, int *dp, int orient, int oneplushalf, char type, int vsc);
+/**
+Encode significant pass
+*/
+static void t1_enc_sigpass(opj_t1_t *t1, int w, int h, int bpno, int orient, int *nmsedec, char type, int cblksty);
+/**
+Decode significant pass
+*/
+static void t1_dec_sigpass(opj_t1_t *t1, int w, int h, int bpno, int orient, char type, int cblksty);
+/**
+Encode refinement pass
+*/
+static void t1_enc_refpass_step(opj_t1_t *t1, int *fp, int *dp, int bpno, int one, int *nmsedec, char type, int vsc);
+/**
+Decode refinement pass
+*/
+static void t1_dec_refpass_step(opj_t1_t *t1, int *fp, int *dp, int poshalf, int neghalf, char type, int vsc);
+/**
+Encode refinement pass
+*/
+static void t1_enc_refpass(opj_t1_t *t1, int w, int h, int bpno, int *nmsedec, char type, int cblksty);
+/**
+Decode refinement pass
+*/
+static void t1_dec_refpass(opj_t1_t *t1, int w, int h, int bpno, char type, int cblksty);
+/**
+Encode clean-up pass
+*/
+static void t1_enc_clnpass_step(opj_t1_t *t1, int *fp, int *dp, int orient, int bpno, int one, int *nmsedec, int partial, int vsc);
+/**
+Decode clean-up pass
+*/
+static void t1_dec_clnpass_step(opj_t1_t *t1, int *fp, int *dp, int orient, int oneplushalf, int partial, int vsc);
+/**
+Encode clean-up pass
+*/
+static void t1_enc_clnpass(opj_t1_t *t1, int w, int h, int bpno, int orient, int *nmsedec, int cblksty);
+/**
+Decode clean-up pass
+*/
+static void t1_dec_clnpass(opj_t1_t *t1, int w, int h, int bpno, int orient, int cblksty);
+static double t1_getwmsedec(int nmsedec, int compno, int level, int orient, int bpno, int qmfbid, double stepsize, int numcomps);
+/**
+Encode 1 code-block
+@param t1 T1 handle
+@param cblk Code-block coding parameters
+@param orient
+@param compno Component number
+@param level
+@param qmfbid
+@param stepsize
+@param cblksty Code-block style
+@param numcomps
+@param tile
+*/
+static void t1_encode_cblk(opj_t1_t *t1, opj_tcd_cblk_t * cblk, int orient, int compno, int level, int qmfbid, double stepsize, int cblksty, int numcomps, opj_tcd_tile_t * tile);
+/**
+Decode 1 code-block
+@param t1 T1 handle
+@param cblk Code-block coding parameters
+@param orient
+@param roishift Region of interest shifting value
+@param cblksty Code-block style
+*/
+static void t1_decode_cblk(opj_t1_t *t1, opj_tcd_cblk_t * cblk, int orient, int roishift, int cblksty);
+static int t1_init_ctxno_zc(int f, int orient);
+static int t1_init_ctxno_sc(int f);
+static int t1_init_ctxno_mag(int f);
+static int t1_init_spb(int f);
+/**
+Initialize the look-up tables of the Tier-1 coder/decoder
+@param t1 T1 handle
+*/
+static void t1_init_luts(opj_t1_t *t1);
+
+/*@}*/
+
+/*@}*/
+
+/* ----------------------------------------------------------------------- */
+
+static int t1_getctxno_zc(opj_t1_t *t1, int f, int orient) {
+ return t1->lut_ctxno_zc[(orient << 8) | (f & T1_SIG_OTH)];
+}
+
+static int t1_getctxno_sc(opj_t1_t *t1, int f) {
+ return t1->lut_ctxno_sc[(f & (T1_SIG_PRIM | T1_SGN)) >> 4];
+}
+
+static int t1_getctxno_mag(opj_t1_t *t1, int f) {
+ return t1->lut_ctxno_mag[(f & T1_SIG_OTH) | (((f & T1_REFINE) != 0) << 11)];
+}
+
+static int t1_getspb(opj_t1_t *t1, int f) {
+ return t1->lut_spb[(f & (T1_SIG_PRIM | T1_SGN)) >> 4];
+}
+
+static int t1_getnmsedec_sig(opj_t1_t *t1, int x, int bitpos) {
+ if (bitpos > T1_NMSEDEC_FRACBITS) {
+ return t1->lut_nmsedec_sig[(x >> (bitpos - T1_NMSEDEC_FRACBITS)) & ((1 << T1_NMSEDEC_BITS) - 1)];
+ }
+
+ return t1->lut_nmsedec_sig0[x & ((1 << T1_NMSEDEC_BITS) - 1)];
+}
+
+static int t1_getnmsedec_ref(opj_t1_t *t1, int x, int bitpos) {
+ if (bitpos > T1_NMSEDEC_FRACBITS) {
+ return t1->lut_nmsedec_ref[(x >> (bitpos - T1_NMSEDEC_FRACBITS)) & ((1 << T1_NMSEDEC_BITS) - 1)];
+ }
+
+ return t1->lut_nmsedec_ref0[x & ((1 << T1_NMSEDEC_BITS) - 1)];
+}
+
+static void t1_updateflags(int *fp, int s) {
+ int *np = fp - (T1_MAXCBLKW + 2);
+ int *sp = fp + (T1_MAXCBLKW + 2);
+ np[-1] |= T1_SIG_SE;
+ np[1] |= T1_SIG_SW;
+ sp[-1] |= T1_SIG_NE;
+ sp[1] |= T1_SIG_NW;
+ *np |= T1_SIG_S;
+ *sp |= T1_SIG_N;
+ fp[-1] |= T1_SIG_E;
+ fp[1] |= T1_SIG_W;
+ if (s) {
+ *np |= T1_SGN_S;
+ *sp |= T1_SGN_N;
+ fp[-1] |= T1_SGN_E;
+ fp[1] |= T1_SGN_W;
+ }
+}
+
+static void t1_enc_sigpass_step(opj_t1_t *t1, int *fp, int *dp, int orient, int bpno, int one, int *nmsedec, char type, int vsc) {
+ int v, flag;
+
+ opj_mqc_t *mqc = t1->mqc; /* MQC component */
+
+ flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*fp);
+ if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) {
+ v = int_abs(*dp) & one ? 1 : 0;
+ if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */
+ mqc_setcurctx(mqc, t1_getctxno_zc(t1, flag, orient)); /* ESSAI */
+ mqc_bypass_enc(mqc, v);
+ } else {
+ mqc_setcurctx(mqc, t1_getctxno_zc(t1, flag, orient));
+ mqc_encode(mqc, v);
+ }
+ if (v) {
+ v = *dp < 0 ? 1 : 0;
+ *nmsedec += t1_getnmsedec_sig(t1, int_abs(*dp), bpno + T1_NMSEDEC_FRACBITS);
+ if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */
+ mqc_setcurctx(mqc, t1_getctxno_sc(t1, flag)); /* ESSAI */
+ mqc_bypass_enc(mqc, v);
+ } else {
+ mqc_setcurctx(mqc, t1_getctxno_sc(t1, flag));
+ mqc_encode(mqc, v ^ t1_getspb(t1, flag));
+ }
+ t1_updateflags(fp, v);
+ *fp |= T1_SIG;
+ }
+ *fp |= T1_VISIT;
+ }
+}
+
+static void t1_dec_sigpass_step(opj_t1_t *t1, int *fp, int *dp, int orient, int oneplushalf, char type, int vsc) {
+ int v, flag;
+
+ opj_raw_t *raw = t1->raw; /* RAW component */
+ opj_mqc_t *mqc = t1->mqc; /* MQC component */
+
+ flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*fp);
+ if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) {
+ if (type == T1_TYPE_RAW) {
+ if (raw_decode(raw)) {
+ v = raw_decode(raw); /* ESSAI */
+ *dp = v ? -oneplushalf : oneplushalf;
+ t1_updateflags(fp, v);
+ *fp |= T1_SIG;
+ }
+ } else {
+ mqc_setcurctx(mqc, t1_getctxno_zc(t1, flag, orient));
+ if (mqc_decode(mqc)) {
+ mqc_setcurctx(mqc, t1_getctxno_sc(t1, flag));
+ v = mqc_decode(mqc) ^ t1_getspb(t1, flag);
+ *dp = v ? -oneplushalf : oneplushalf;
+ t1_updateflags(fp, v);
+ *fp |= T1_SIG;
+ }
+ }
+ *fp |= T1_VISIT;
+ }
+} /* VSC and BYPASS by Antonin */
+
+static void t1_enc_sigpass(opj_t1_t *t1, int w, int h, int bpno, int orient, int *nmsedec, char type, int cblksty) {
+ int i, j, k, one, vsc;
+ *nmsedec = 0;
+ one = 1 << (bpno + T1_NMSEDEC_FRACBITS);
+ for (k = 0; k < h; k += 4) {
+ for (i = 0; i < w; i++) {
+ for (j = k; j < k + 4 && j < h; j++) {
+ vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == h - 1)) ? 1 : 0;
+ t1_enc_sigpass_step(t1, &t1->flags[1 + j][1 + i], &t1->data[j][i], orient, bpno, one, nmsedec, type, vsc);
+ }
+ }
+ }
+}
+
+static void t1_dec_sigpass(opj_t1_t *t1, int w, int h, int bpno, int orient, char type, int cblksty) {
+ int i, j, k, one, half, oneplushalf, vsc;
+ one = 1 << bpno;
+ half = one >> 1;
+ oneplushalf = one | half;
+ for (k = 0; k < h; k += 4) {
+ for (i = 0; i < w; i++) {
+ for (j = k; j < k + 4 && j < h; j++) {
+ vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == h - 1)) ? 1 : 0;
+ t1_dec_sigpass_step(t1, &t1->flags[1 + j][1 + i], &t1->data[j][i], orient, oneplushalf, type, vsc);
+ }
+ }
+ }
+} /* VSC and BYPASS by Antonin */
+
+static void t1_enc_refpass_step(opj_t1_t *t1, int *fp, int *dp, int bpno, int one, int *nmsedec, char type, int vsc) {
+ int v, flag;
+
+ opj_mqc_t *mqc = t1->mqc; /* MQC component */
+
+ flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*fp);
+ if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) {
+ *nmsedec += t1_getnmsedec_ref(t1, int_abs(*dp), bpno + T1_NMSEDEC_FRACBITS);
+ v = int_abs(*dp) & one ? 1 : 0;
+ if (type == T1_TYPE_RAW) { /* BYPASS/LAZY MODE */
+ mqc_setcurctx(mqc, t1_getctxno_mag(t1, flag)); /* ESSAI */
+ mqc_bypass_enc(mqc, v);
+ } else {
+ mqc_setcurctx(mqc, t1_getctxno_mag(t1, flag));
+ mqc_encode(mqc, v);
+ }
+ *fp |= T1_REFINE;
+ }
+}
+
+static void t1_dec_refpass_step(opj_t1_t *t1, int *fp, int *dp, int poshalf, int neghalf, char type, int vsc) {
+ int v, t, flag;
+
+ opj_mqc_t *mqc = t1->mqc; /* MQC component */
+ opj_raw_t *raw = t1->raw; /* RAW component */
+
+ flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*fp);
+ if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) {
+ if (type == T1_TYPE_RAW) {
+ mqc_setcurctx(mqc, t1_getctxno_mag(t1, flag)); /* ESSAI */
+ v = raw_decode(raw);
+ } else {
+ mqc_setcurctx(mqc, t1_getctxno_mag(t1, flag));
+ v = mqc_decode(mqc);
+ }
+ t = v ? poshalf : neghalf;
+ *dp += *dp < 0 ? -t : t;
+ *fp |= T1_REFINE;
+ }
+} /* VSC and BYPASS by Antonin */
+
+static void t1_enc_refpass(opj_t1_t *t1, int w, int h, int bpno, int *nmsedec, char type, int cblksty) {
+ int i, j, k, one, vsc;
+ *nmsedec = 0;
+ one = 1 << (bpno + T1_NMSEDEC_FRACBITS);
+ for (k = 0; k < h; k += 4) {
+ for (i = 0; i < w; i++) {
+ for (j = k; j < k + 4 && j < h; j++) {
+ vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == h - 1)) ? 1 : 0;
+ t1_enc_refpass_step(t1, &t1->flags[1 + j][1 + i], &t1->data[j][i], bpno, one, nmsedec, type, vsc);
+ }
+ }
+ }
+}
+
+static void t1_dec_refpass(opj_t1_t *t1, int w, int h, int bpno, char type, int cblksty) {
+ int i, j, k, one, poshalf, neghalf;
+ int vsc;
+ one = 1 << bpno;
+ poshalf = one >> 1;
+ neghalf = bpno > 0 ? -poshalf : -1;
+ for (k = 0; k < h; k += 4) {
+ for (i = 0; i < w; i++) {
+ for (j = k; j < k + 4 && j < h; j++) {
+ vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == h - 1)) ? 1 : 0;
+ t1_dec_refpass_step(t1, &t1->flags[1 + j][1 + i], &t1->data[j][i], poshalf, neghalf, type, vsc);
+ }
+ }
+ }
+} /* VSC and BYPASS by Antonin */
+
+static void t1_enc_clnpass_step(opj_t1_t *t1, int *fp, int *dp, int orient, int bpno, int one, int *nmsedec, int partial, int vsc) {
+ int v, flag;
+
+ opj_mqc_t *mqc = t1->mqc; /* MQC component */
+
+ flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*fp);
+ if (partial) {
+ goto LABEL_PARTIAL;
+ }
+ if (!(*fp & (T1_SIG | T1_VISIT))) {
+ mqc_setcurctx(mqc, t1_getctxno_zc(t1, flag, orient));
+ v = int_abs(*dp) & one ? 1 : 0;
+ mqc_encode(mqc, v);
+ if (v) {
+LABEL_PARTIAL:
+ *nmsedec += t1_getnmsedec_sig(t1, int_abs(*dp), bpno + T1_NMSEDEC_FRACBITS);
+ mqc_setcurctx(mqc, t1_getctxno_sc(t1, flag));
+ v = *dp < 0 ? 1 : 0;
+ mqc_encode(mqc, v ^ t1_getspb(t1, flag));
+ t1_updateflags(fp, v);
+ *fp |= T1_SIG;
+ }
+ }
+ *fp &= ~T1_VISIT;
+}
+
+static void t1_dec_clnpass_step(opj_t1_t *t1, int *fp, int *dp, int orient, int oneplushalf, int partial, int vsc) {
+ int v, flag;
+
+ opj_mqc_t *mqc = t1->mqc; /* MQC component */
+
+ flag = vsc ? ((*fp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*fp);
+ if (partial) {
+ goto LABEL_PARTIAL;
+ }
+ if (!(flag & (T1_SIG | T1_VISIT))) {
+ mqc_setcurctx(mqc, t1_getctxno_zc(t1, flag, orient));
+ if (mqc_decode(mqc)) {
+LABEL_PARTIAL:
+ mqc_setcurctx(mqc, t1_getctxno_sc(t1, flag));
+ v = mqc_decode(mqc) ^ t1_getspb(t1, flag);
+ *dp = v ? -oneplushalf : oneplushalf;
+ t1_updateflags(fp, v);
+ *fp |= T1_SIG;
+ }
+ }
+ *fp &= ~T1_VISIT;
+} /* VSC and BYPASS by Antonin */
+
+static void t1_enc_clnpass(opj_t1_t *t1, int w, int h, int bpno, int orient, int *nmsedec, int cblksty) {
+ int i, j, k, one, agg, runlen, vsc;
+
+ opj_mqc_t *mqc = t1->mqc; /* MQC component */
+
+ *nmsedec = 0;
+ one = 1 << (bpno + T1_NMSEDEC_FRACBITS);
+ for (k = 0; k < h; k += 4) {
+ for (i = 0; i < w; i++) {
+ if (k + 3 < h) {
+ if (cblksty & J2K_CCP_CBLKSTY_VSC) {
+ agg = !(t1->flags[1 + k][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)
+ || t1->flags[1 + k + 1][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)
+ || t1->flags[1 + k + 2][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)
+ || (t1->flags[1 + k + 3][1 + i]
+ & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) & (T1_SIG | T1_VISIT | T1_SIG_OTH));
+ } else {
+ agg = !(t1->flags[1 + k][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)
+ || t1->flags[1 + k + 1][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)
+ || t1->flags[1 + k + 2][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)
+ || t1->flags[1 + k + 3][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH));
+ }
+ } else {
+ agg = 0;
+ }
+ if (agg) {
+ for (runlen = 0; runlen < 4; runlen++) {
+ if (int_abs(t1->data[k + runlen][i]) & one)
+ break;
+ }
+ mqc_setcurctx(mqc, T1_CTXNO_AGG);
+ mqc_encode(mqc, runlen != 4);
+ if (runlen == 4) {
+ continue;
+ }
+ mqc_setcurctx(mqc, T1_CTXNO_UNI);
+ mqc_encode(mqc, runlen >> 1);
+ mqc_encode(mqc, runlen & 1);
+ } else {
+ runlen = 0;
+ }
+ for (j = k + runlen; j < k + 4 && j < h; j++) {
+ vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == h - 1)) ? 1 : 0;
+ t1_enc_clnpass_step(t1, &t1->flags[1 + j][1 + i], &t1->data[j][i], orient, bpno, one, nmsedec, agg && (j == k + runlen), vsc);
+ }
+ }
+ }
+}
+
+static void t1_dec_clnpass(opj_t1_t *t1, int w, int h, int bpno, int orient, int cblksty) {
+ int i, j, k, one, half, oneplushalf, agg, runlen, vsc;
+ int segsym = cblksty & J2K_CCP_CBLKSTY_SEGSYM;
+
+ opj_mqc_t *mqc = t1->mqc; /* MQC component */
+
+ one = 1 << bpno;
+ half = one >> 1;
+ oneplushalf = one | half;
+ for (k = 0; k < h; k += 4) {
+ for (i = 0; i < w; i++) {
+ if (k + 3 < h) {
+ if (cblksty & J2K_CCP_CBLKSTY_VSC) {
+ agg = !(t1->flags[1 + k][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)
+ || t1->flags[1 + k + 1][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)
+ || t1->flags[1 + k + 2][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)
+ || (t1->flags[1 + k + 3][1 + i]
+ & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) & (T1_SIG | T1_VISIT | T1_SIG_OTH));
+ } else {
+ agg = !(t1->flags[1 + k][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)
+ || t1->flags[1 + k + 1][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)
+ || t1->flags[1 + k + 2][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH)
+ || t1->flags[1 + k + 3][1 + i] & (T1_SIG | T1_VISIT | T1_SIG_OTH));
+ }
+ } else {
+ agg = 0;
+ }
+ if (agg) {
+ mqc_setcurctx(mqc, T1_CTXNO_AGG);
+ if (!mqc_decode(mqc)) {
+ continue;
+ }
+ mqc_setcurctx(mqc, T1_CTXNO_UNI);
+ runlen = mqc_decode(mqc);
+ runlen = (runlen << 1) | mqc_decode(mqc);
+ } else {
+ runlen = 0;
+ }
+ for (j = k + runlen; j < k + 4 && j < h; j++) {
+ vsc = ((cblksty & J2K_CCP_CBLKSTY_VSC) && (j == k + 3 || j == h - 1)) ? 1 : 0;
+ t1_dec_clnpass_step(t1, &t1->flags[1 + j][1 + i], &t1->data[j][i], orient, oneplushalf, agg && (j == k + runlen), vsc);
+ }
+ }
+ }
+ if (segsym) {
+ int v = 0;
+ mqc_setcurctx(mqc, T1_CTXNO_UNI);
+ v = mqc_decode(mqc);
+ v = (v << 1) | mqc_decode(mqc);
+ v = (v << 1) | mqc_decode(mqc);
+ v = (v << 1) | mqc_decode(mqc);
+ /*
+ if (v!=0xa) {
+ opj_event_msg(t1->cinfo, EVT_WARNING, "Bad segmentation symbol %x\n", v);
+ }
+ */
+ }
+} /* VSC and BYPASS by Antonin */
+
+
+/** mod fixed_quality */
+static double t1_getwmsedec(int nmsedec, int compno, int level, int orient, int bpno, int qmfbid, double stepsize, int numcomps) {
+ double w1, w2, wmsedec;
+ if (qmfbid == 1) {
+ w1 = (numcomps > 1) ? mct_getnorm(compno) : 1;
+ w2 = dwt_getnorm(level, orient);
+ } else { /* if (qmfbid == 0) */
+ w1 = (numcomps > 1) ? mct_getnorm_real(compno) : 1;
+ w2 = dwt_getnorm_real(level, orient);
+ }
+ wmsedec = w1 * w2 * stepsize * (1 << bpno);
+ wmsedec *= wmsedec * nmsedec / 8192.0;
+
+ return wmsedec;
+}
+
+/** mod fixed_quality */
+static void t1_encode_cblk(opj_t1_t *t1, opj_tcd_cblk_t * cblk, int orient, int compno, int level, int qmfbid, double stepsize, int cblksty, int numcomps, opj_tcd_tile_t * tile) {
+ int i, j;
+ int w, h;
+ int passno;
+ int bpno, passtype;
+ int max;
+ int nmsedec;
+ double cumwmsedec = 0;
+ char type = T1_TYPE_MQ;
+
+ opj_mqc_t *mqc = t1->mqc; /* MQC component */
+
+ w = cblk->x1 - cblk->x0;
+ h = cblk->y1 - cblk->y0;
+
+ max = 0;
+ for (j = 0; j < h; j++) {
+ for (i = 0; i < w; i++) {
+ max = int_max(max, int_abs(t1->data[j][i]));
+ }
+ }
+
+ cblk->numbps = max ? (int_floorlog2(max) + 1) - T1_NMSEDEC_FRACBITS : 0;
+
+ /* Changed by Dmitry Kolyadin */
+ for (i = 0; i <= w; i++) {
+ for (j = 0; j <= h; j++) {
+ t1->flags[j][i] = 0;
+ }
+ }
+
+ bpno = cblk->numbps - 1;
+ passtype = 2;
+
+ mqc_resetstates(mqc);
+ mqc_setstate(mqc, T1_CTXNO_UNI, 0, 46);
+ mqc_setstate(mqc, T1_CTXNO_AGG, 0, 3);
+ mqc_setstate(mqc, T1_CTXNO_ZC, 0, 4);
+ mqc_init_enc(mqc, cblk->data);
+
+ for (passno = 0; bpno >= 0; passno++) {
+ opj_tcd_pass_t *pass = &cblk->passes[passno];
+ int correction = 3;
+ type = ((bpno < (cblk->numbps - 4)) && (passtype < 2) && (cblksty & J2K_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW : T1_TYPE_MQ;
+
+ switch (passtype) {
+ case 0:
+ t1_enc_sigpass(t1, w, h, bpno, orient, &nmsedec, type, cblksty);
+ break;
+ case 1:
+ t1_enc_refpass(t1, w, h, bpno, &nmsedec, type, cblksty);
+ break;
+ case 2:
+ t1_enc_clnpass(t1, w, h, bpno, orient, &nmsedec, cblksty);
+ /* code switch SEGMARK (i.e. SEGSYM) */
+ if (cblksty & J2K_CCP_CBLKSTY_SEGSYM)
+ mqc_segmark_enc(mqc);
+ break;
+ }
+
+ /* fixed_quality */
+ cumwmsedec += t1_getwmsedec(nmsedec, compno, level, orient, bpno, qmfbid, stepsize, numcomps);
+ tile->distotile += t1_getwmsedec(nmsedec, compno, level, orient, bpno, qmfbid, stepsize, numcomps);
+
+ /* Code switch "RESTART" (i.e. TERMALL) */
+ if ((cblksty & J2K_CCP_CBLKSTY_TERMALL) && !((passtype == 2) && (bpno - 1 < 0))) {
+ if (type == T1_TYPE_RAW) {
+ mqc_flush(mqc);
+ correction = 1;
+ /* correction = mqc_bypass_flush_enc(); */
+ } else { /* correction = mqc_restart_enc(); */
+ mqc_flush(mqc);
+ correction = 1;
+ }
+ pass->term = 1;
+ } else {
+ if (((bpno < (cblk->numbps - 4) && (passtype > 0))
+ || ((bpno == (cblk->numbps - 4)) && (passtype == 2))) && (cblksty & J2K_CCP_CBLKSTY_LAZY)) {
+ if (type == T1_TYPE_RAW) {
+ mqc_flush(mqc);
+ correction = 1;
+ /* correction = mqc_bypass_flush_enc(); */
+ } else { /* correction = mqc_restart_enc(); */
+ mqc_flush(mqc);
+ correction = 1;
+ }
+ pass->term = 1;
+ } else {
+ pass->term = 0;
+ }
+ }
+
+ if (++passtype == 3) {
+ passtype = 0;
+ bpno--;
+ }
+
+ if (pass->term && bpno > 0) {
+ type = ((bpno < (cblk->numbps - 4)) && (passtype < 2) && (cblksty & J2K_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW : T1_TYPE_MQ;
+ if (type == T1_TYPE_RAW)
+ mqc_bypass_init_enc(mqc);
+ else
+ mqc_restart_init_enc(mqc);
+ }
+
+ pass->distortiondec = cumwmsedec;
+ pass->rate = mqc_numbytes(mqc) + correction; /* FIXME */
+ pass->len = pass->rate - (passno == 0 ? 0 : cblk->passes[passno - 1].rate);
+
+ /* Code-switch "RESET" */
+ if (cblksty & J2K_CCP_CBLKSTY_RESET)
+ mqc_reset_enc(mqc);
+ }
+
+ /* Code switch "ERTERM" (i.e. PTERM) */
+ if (cblksty & J2K_CCP_CBLKSTY_PTERM)
+ mqc_erterm_enc(mqc);
+ else /* Default coding */ if (!(cblksty & J2K_CCP_CBLKSTY_LAZY))
+ mqc_flush(mqc);
+
+ cblk->totalpasses = passno;
+}
+
+static void t1_decode_cblk(opj_t1_t *t1, opj_tcd_cblk_t * cblk, int orient, int roishift, int cblksty) {
+ int i, j, w, h;
+ int bpno, passtype;
+ int segno, passno;
+ char type = T1_TYPE_MQ; /* BYPASS mode */
+
+ opj_raw_t *raw = t1->raw; /* RAW component */
+ opj_mqc_t *mqc = t1->mqc; /* MQC component */
+
+ w = cblk->x1 - cblk->x0;
+ h = cblk->y1 - cblk->y0;
+
+ /* Changed by Dmitry Kolyadin */
+ for (j = 0; j <= h; j++) {
+ for (i = 0; i <= w; i++) {
+ t1->flags[j][i] = 0;
+ }
+ }
+
+ /* Changed by Dmitry Kolyadin */
+ for (i = 0; i < w; i++) {
+ for (j = 0; j < h; j++){
+ t1->data[j][i] = 0;
+ }
+ }
+
+ bpno = roishift + cblk->numbps - 1;
+ passtype = 2;
+
+ mqc_resetstates(mqc);
+ mqc_setstate(mqc, T1_CTXNO_UNI, 0, 46);
+ mqc_setstate(mqc, T1_CTXNO_AGG, 0, 3);
+ mqc_setstate(mqc, T1_CTXNO_ZC, 0, 4);
+
+ for (segno = 0; segno < cblk->numsegs; segno++) {
+ opj_tcd_seg_t *seg = &cblk->segs[segno];
+
+ /* BYPASS mode */
+ type = ((bpno <= (cblk->numbps - 1) - 4) && (passtype < 2) && (cblksty & J2K_CCP_CBLKSTY_LAZY)) ? T1_TYPE_RAW : T1_TYPE_MQ;
+ if (type == T1_TYPE_RAW) {
+ raw_init_dec(raw, seg->data, seg->len);
+ } else {
+ mqc_init_dec(mqc, seg->data, seg->len);
+ }
+
+ for (passno = 0; passno < seg->numpasses; passno++) {
+ switch (passtype) {
+ case 0:
+ t1_dec_sigpass(t1, w, h, bpno+1, orient, type, cblksty);
+ break;
+ case 1:
+ t1_dec_refpass(t1, w, h, bpno+1, type, cblksty);
+ break;
+ case 2:
+ t1_dec_clnpass(t1, w, h, bpno+1, orient, cblksty);
+ break;
+ }
+
+ if ((cblksty & J2K_CCP_CBLKSTY_RESET) && type == T1_TYPE_MQ) {
+ mqc_resetstates(mqc);
+ mqc_setstate(mqc, T1_CTXNO_UNI, 0, 46);
+ mqc_setstate(mqc, T1_CTXNO_AGG, 0, 3);
+ mqc_setstate(mqc, T1_CTXNO_ZC, 0, 4);
+ }
+ if (++passtype == 3) {
+ passtype = 0;
+ bpno--;
+ }
+ }
+ }
+}
+
+static int t1_init_ctxno_zc(int f, int orient) {
+ int h, v, d, n, t, hv;
+ n = 0;
+ h = ((f & T1_SIG_W) != 0) + ((f & T1_SIG_E) != 0);
+ v = ((f & T1_SIG_N) != 0) + ((f & T1_SIG_S) != 0);
+ d = ((f & T1_SIG_NW) != 0) + ((f & T1_SIG_NE) != 0) + ((f & T1_SIG_SE) != 0) + ((f & T1_SIG_SW) != 0);
+
+ switch (orient) {
+ case 2:
+ t = h;
+ h = v;
+ v = t;
+ case 0:
+ case 1:
+ if (!h) {
+ if (!v) {
+ if (!d)
+ n = 0;
+ else if (d == 1)
+ n = 1;
+ else
+ n = 2;
+ } else if (v == 1) {
+ n = 3;
+ } else {
+ n = 4;
+ }
+ } else if (h == 1) {
+ if (!v) {
+ if (!d)
+ n = 5;
+ else
+ n = 6;
+ } else {
+ n = 7;
+ }
+ } else
+ n = 8;
+ break;
+ case 3:
+ hv = h + v;
+ if (!d) {
+ if (!hv) {
+ n = 0;
+ } else if (hv == 1) {
+ n = 1;
+ } else {
+ n = 2;
+ }
+ } else if (d == 1) {
+ if (!hv) {
+ n = 3;
+ } else if (hv == 1) {
+ n = 4;
+ } else {
+ n = 5;
+ }
+ } else if (d == 2) {
+ if (!hv) {
+ n = 6;
+ } else {
+ n = 7;
+ }
+ } else {
+ n = 8;
+ }
+ break;
+ }
+
+ return (T1_CTXNO_ZC + n);
+}
+
+static int t1_init_ctxno_sc(int f) {
+ int hc, vc, n;
+ n = 0;
+
+ hc = int_min(((f & (T1_SIG_E | T1_SGN_E)) ==
+ T1_SIG_E) + ((f & (T1_SIG_W | T1_SGN_W)) == T1_SIG_W),
+ 1) - int_min(((f & (T1_SIG_E | T1_SGN_E)) ==
+ (T1_SIG_E | T1_SGN_E)) +
+ ((f & (T1_SIG_W | T1_SGN_W)) ==
+ (T1_SIG_W | T1_SGN_W)), 1);
+
+ vc = int_min(((f & (T1_SIG_N | T1_SGN_N)) ==
+ T1_SIG_N) + ((f & (T1_SIG_S | T1_SGN_S)) == T1_SIG_S),
+ 1) - int_min(((f & (T1_SIG_N | T1_SGN_N)) ==
+ (T1_SIG_N | T1_SGN_N)) +
+ ((f & (T1_SIG_S | T1_SGN_S)) ==
+ (T1_SIG_S | T1_SGN_S)), 1);
+
+ if (hc < 0) {
+ hc = -hc;
+ vc = -vc;
+ }
+ if (!hc) {
+ if (vc == -1)
+ n = 1;
+ else if (!vc)
+ n = 0;
+ else
+ n = 1;
+ } else if (hc == 1) {
+ if (vc == -1)
+ n = 2;
+ else if (!vc)
+ n = 3;
+ else
+ n = 4;
+ }
+
+ return (T1_CTXNO_SC + n);
+}
+
+static int t1_init_ctxno_mag(int f) {
+ int n;
+ if (!(f & T1_REFINE))
+ n = (f & (T1_SIG_OTH)) ? 1 : 0;
+ else
+ n = 2;
+
+ return (T1_CTXNO_MAG + n);
+}
+
+static int t1_init_spb(int f) {
+ int hc, vc, n;
+
+ hc = int_min(((f & (T1_SIG_E | T1_SGN_E)) ==
+ T1_SIG_E) + ((f & (T1_SIG_W | T1_SGN_W)) == T1_SIG_W),
+ 1) - int_min(((f & (T1_SIG_E | T1_SGN_E)) ==
+ (T1_SIG_E | T1_SGN_E)) +
+ ((f & (T1_SIG_W | T1_SGN_W)) ==
+ (T1_SIG_W | T1_SGN_W)), 1);
+
+ vc = int_min(((f & (T1_SIG_N | T1_SGN_N)) ==
+ T1_SIG_N) + ((f & (T1_SIG_S | T1_SGN_S)) == T1_SIG_S),
+ 1) - int_min(((f & (T1_SIG_N | T1_SGN_N)) ==
+ (T1_SIG_N | T1_SGN_N)) +
+ ((f & (T1_SIG_S | T1_SGN_S)) ==
+ (T1_SIG_S | T1_SGN_S)), 1);
+
+ if (!hc && !vc)
+ n = 0;
+ else
+ n = (!(hc > 0 || (!hc && vc > 0)));
+
+ return n;
+}
+
+static void t1_init_luts(opj_t1_t *t1) {
+ int i, j;
+ double u, v, t;
+ for (j = 0; j < 4; j++) {
+ for (i = 0; i < 256; ++i) {
+ t1->lut_ctxno_zc[(j << 8) | i] = t1_init_ctxno_zc(i, j);
+ }
+ }
+ for (i = 0; i < 256; i++) {
+ t1->lut_ctxno_sc[i] = t1_init_ctxno_sc(i << 4);
+ }
+ for (j = 0; j < 2; j++) {
+ for (i = 0; i < 2048; ++i) {
+ t1->lut_ctxno_mag[(j << 11) + i] = t1_init_ctxno_mag((j ? T1_REFINE : 0) | i);
+ }
+ }
+ for (i = 0; i < 256; ++i) {
+ t1->lut_spb[i] = t1_init_spb(i << 4);
+ }
+ /* FIXME FIXME FIXME */
+ /* fprintf(stdout,"nmsedec luts:\n"); */
+ for (i = 0; i < (1 << T1_NMSEDEC_BITS); i++) {
+ t = i / pow(2, T1_NMSEDEC_FRACBITS);
+ u = t;
+ v = t - 1.5;
+ t1->lut_nmsedec_sig[i] =
+ int_max(0,
+ (int) (floor((u * u - v * v) * pow(2, T1_NMSEDEC_FRACBITS) + 0.5) / pow(2, T1_NMSEDEC_FRACBITS) * 8192.0));
+ t1->lut_nmsedec_sig0[i] =
+ int_max(0,
+ (int) (floor((u * u) * pow(2, T1_NMSEDEC_FRACBITS) + 0.5) / pow(2, T1_NMSEDEC_FRACBITS) * 8192.0));
+ u = t - 1.0;
+ if (i & (1 << (T1_NMSEDEC_BITS - 1))) {
+ v = t - 1.5;
+ } else {
+ v = t - 0.5;
+ }
+ t1->lut_nmsedec_ref[i] =
+ int_max(0,
+ (int) (floor((u * u - v * v) * pow(2, T1_NMSEDEC_FRACBITS) + 0.5) / pow(2, T1_NMSEDEC_FRACBITS) * 8192.0));
+ t1->lut_nmsedec_ref0[i] =
+ int_max(0,
+ (int) (floor((u * u) * pow(2, T1_NMSEDEC_FRACBITS) + 0.5) / pow(2, T1_NMSEDEC_FRACBITS) * 8192.0));
+ }
+}
+
+/* ----------------------------------------------------------------------- */
+
+opj_t1_t* t1_create(opj_common_ptr cinfo) {
+ opj_t1_t *t1 = (opj_t1_t*)opj_malloc(sizeof(opj_t1_t));
+ if(t1) {
+ t1->cinfo = cinfo;
+ /* create MQC and RAW handles */
+ t1->mqc = mqc_create();
+ t1->raw = raw_create();
+ /* initialize the look-up tables of the Tier-1 coder/decoder */
+ t1_init_luts(t1);
+ }
+ return t1;
+}
+
+void t1_destroy(opj_t1_t *t1) {
+ if(t1) {
+ /* destroy MQC and RAW handles */
+ mqc_destroy(t1->mqc);
+ raw_destroy(t1->raw);
+ opj_free(t1);
+ }
+}
+
+void t1_encode_cblks(opj_t1_t *t1, opj_tcd_tile_t *tile, opj_tcp_t *tcp) {
+ int compno, resno, bandno, precno, cblkno;
+ int x, y, i, j, orient;
+
+ tile->distotile = 0; /* fixed_quality */
+
+ for (compno = 0; compno < tile->numcomps; compno++) {
+ opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
+
+ for (resno = 0; resno < tilec->numresolutions; resno++) {
+ opj_tcd_resolution_t *res = &tilec->resolutions[resno];
+
+ for (bandno = 0; bandno < res->numbands; bandno++) {
+ opj_tcd_band_t *band = &res->bands[bandno];
+
+ for (precno = 0; precno < res->pw * res->ph; precno++) {
+ opj_tcd_precinct_t *prc = &band->precincts[precno];
+
+ for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
+ opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
+
+ if (band->bandno == 0) {
+ x = cblk->x0 - band->x0;
+ y = cblk->y0 - band->y0;
+ } else if (band->bandno == 1) {
+ opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
+ x = pres->x1 - pres->x0 + cblk->x0 - band->x0;
+ y = cblk->y0 - band->y0;
+ } else if (band->bandno == 2) {
+ opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
+ x = cblk->x0 - band->x0;
+ y = pres->y1 - pres->y0 + cblk->y0 - band->y0;
+ } else { /* if (band->bandno == 3) */
+ opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
+ x = pres->x1 - pres->x0 + cblk->x0 - band->x0;
+ y = pres->y1 - pres->y0 + cblk->y0 - band->y0;
+ }
+
+ if (tcp->tccps[compno].qmfbid == 1) {
+ for (j = 0; j < cblk->y1 - cblk->y0; j++) {
+ for (i = 0; i < cblk->x1 - cblk->x0; i++) {
+ t1->data[j][i] =
+ tilec->data[(x + i) + (y + j) * (tilec->x1 - tilec->x0)] << T1_NMSEDEC_FRACBITS;
+ }
+ }
+ } else if (tcp->tccps[compno].qmfbid == 0) {
+ for (j = 0; j < cblk->y1 - cblk->y0; j++) {
+ for (i = 0; i < cblk->x1 - cblk->x0; i++) {
+ t1->data[j][i] =
+ fix_mul(
+ tilec->data[x + i + (y + j) * (tilec->x1 - tilec->x0)],
+ 8192 * 8192 / ((int) floor(band->stepsize * 8192))) >> (13 - T1_NMSEDEC_FRACBITS);
+ }
+ }
+ }
+ orient = band->bandno; /* FIXME */
+ if (orient == 2) {
+ orient = 1;
+ } else if (orient == 1) {
+ orient = 2;
+ }
+
+ t1_encode_cblk(t1, cblk, orient, compno, tilec->numresolutions - 1 - resno, tcp->tccps[compno].qmfbid, band->stepsize, tcp->tccps[compno].cblksty, tile->numcomps, tile);
+
+ } /* cblkno */
+ } /* precno */
+ } /* bandno */
+ } /* resno */
+ } /* compno */
+}
+
+void t1_decode_cblks(opj_t1_t *t1, opj_tcd_tile_t *tile, opj_tcp_t *tcp) {
+ int compno, resno, bandno, precno, cblkno;
+
+ for (compno = 0; compno < tile->numcomps; compno++) {
+ opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
+
+ for (resno = 0; resno < tilec->numresolutions; resno++) {
+ opj_tcd_resolution_t *res = &tilec->resolutions[resno];
+
+ for (bandno = 0; bandno < res->numbands; bandno++) {
+ opj_tcd_band_t *band = &res->bands[bandno];
+
+ for (precno = 0; precno < res->pw * res->ph; precno++) {
+ opj_tcd_precinct_t *prc = &band->precincts[precno];
+
+ for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
+ int x, y, i, j, orient;
+ opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
+
+ orient = band->bandno; /* FIXME */
+ if (orient == 2) {
+ orient = 1;
+ } else if (orient == 1) {
+ orient = 2;
+ }
+
+ t1_decode_cblk(t1, cblk, orient, tcp->tccps[compno].roishift, tcp->tccps[compno].cblksty);
+
+ if (band->bandno == 0) {
+ x = cblk->x0 - band->x0;
+ y = cblk->y0 - band->y0;
+ } else if (band->bandno == 1) {
+ opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
+ x = pres->x1 - pres->x0 + cblk->x0 - band->x0;
+ y = cblk->y0 - band->y0;
+ } else if (band->bandno == 2) {
+ opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
+ x = cblk->x0 - band->x0;
+ y = pres->y1 - pres->y0 + cblk->y0 - band->y0;
+ } else { /* if (band->bandno == 3) */
+ opj_tcd_resolution_t *pres = &tilec->resolutions[resno - 1];
+ x = pres->x1 - pres->x0 + cblk->x0 - band->x0;
+ y = pres->y1 - pres->y0 + cblk->y0 - band->y0;
+ }
+
+ if (tcp->tccps[compno].roishift) {
+ int thresh, val, mag;
+ thresh = 1 << tcp->tccps[compno].roishift;
+ for (j = 0; j < cblk->y1 - cblk->y0; j++) {
+ for (i = 0; i < cblk->x1 - cblk->x0; i++) {
+ val = t1->data[j][i];
+ mag = int_abs(val);
+ if (mag >= thresh) {
+ mag >>= tcp->tccps[compno].roishift;
+ t1->data[j][i] = val < 0 ? -mag : mag;
+ }
+ }
+ }
+ }
+
+ if (tcp->tccps[compno].qmfbid == 1) {
+ for (j = 0; j < cblk->y1 - cblk->y0; j++) {
+ for (i = 0; i < cblk->x1 - cblk->x0; i++) {
+ int tmp = t1->data[j][i];
+ if(tmp >> 1 == 0) {
+ tilec->data[x + i + (y + j) * (tilec->x1 - tilec->x0)] = 0;
+ } else {
+ tilec->data[x + i + (y + j) * (tilec->x1 - tilec->x0)] = tmp<0?(tmp>>1)+1:(tmp>>1);
+ }
+ }
+ }
+ } else { /* if (tcp->tccps[compno].qmfbid == 0) */
+ for (j = 0; j < cblk->y1 - cblk->y0; j++) {
+ for (i = 0; i < cblk->x1 - cblk->x0; i++) {
+ double tmp = (double)(t1->data[j][i] * band->stepsize * 4096.0);
+ if (t1->data[j][i] >> 1 == 0) {
+ tilec->data[x + i + (y + j) * (tilec->x1 - tilec->x0)] = 0;
+ } else {
+ int tmp2 = ((int) (floor(fabs(tmp)))) + ((int) floor(fabs(tmp*2))%2);
+ tilec->data[x + i + (y + j) * (tilec->x1 - tilec->x0)] = ((tmp<0)?-tmp2:tmp2);
+ }
+ }
+ }
+ }
+ } /* cblkno */
+ } /* precno */
+ } /* bandno */
+ } /* resno */
+ } /* compno */
+}
+
-/*\r
- * Copyright (c) 2001-2003, David Janssens\r
- * Copyright (c) 2002-2003, Yannick Verschueren\r
- * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe\r
- * Copyright (c) 2005, Hervé Drolon, FreeImage Team\r
- * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium\r
- * All rights reserved.\r
- *\r
- * Redistribution and use in source and binary forms, with or without\r
- * modification, are permitted provided that the following conditions\r
- * are met:\r
- * 1. Redistributions of source code must retain the above copyright\r
- * notice, this list of conditions and the following disclaimer.\r
- * 2. Redistributions in binary form must reproduce the above copyright\r
- * notice, this list of conditions and the following disclaimer in the\r
- * documentation and/or other materials provided with the distribution.\r
- *\r
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'\r
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE\r
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\r
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\r
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\r
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\r
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
- * POSSIBILITY OF SUCH DAMAGE.\r
- */\r
-#ifndef __T1_H\r
-#define __T1_H\r
-/**\r
-@file t1.h\r
-@brief Implementation of the tier-1 coding (coding of code-block coefficients) (T1)\r
-\r
-The functions in T1.C have for goal to realize the tier-1 coding operation. The functions\r
-in T1.C are used by some function in TCD.C.\r
-*/\r
-\r
-/** @defgroup T1 T1 - Implementation of the tier-1 coding */\r
-/*@{*/\r
-\r
-/* ----------------------------------------------------------------------- */\r
-#define T1_NMSEDEC_BITS 7\r
-\r
-#define T1_MAXCBLKW 1024 /**< Maximum size of code-block (width) */\r
-#define T1_MAXCBLKH 1024 /**< Maximum size of code-block (heigth) */\r
-\r
-#define T1_SIG_NE 0x0001 /**< Context orientation : North-East direction */\r
-#define T1_SIG_SE 0x0002 /**< Context orientation : South-East direction */\r
-#define T1_SIG_SW 0x0004 /**< Context orientation : South-West direction */\r
-#define T1_SIG_NW 0x0008 /**< Context orientation : North-West direction */\r
-#define T1_SIG_N 0x0010 /**< Context orientation : North direction */\r
-#define T1_SIG_E 0x0020 /**< Context orientation : East direction */\r
-#define T1_SIG_S 0x0040 /**< Context orientation : South direction */\r
-#define T1_SIG_W 0x0080 /**< Context orientation : West direction */\r
-#define T1_SIG_OTH (T1_SIG_N|T1_SIG_NE|T1_SIG_E|T1_SIG_SE|T1_SIG_S|T1_SIG_SW|T1_SIG_W|T1_SIG_NW)\r
-#define T1_SIG_PRIM (T1_SIG_N|T1_SIG_E|T1_SIG_S|T1_SIG_W)\r
-\r
-#define T1_SGN_N 0x0100\r
-#define T1_SGN_E 0x0200\r
-#define T1_SGN_S 0x0400\r
-#define T1_SGN_W 0x0800\r
-#define T1_SGN (T1_SGN_N|T1_SGN_E|T1_SGN_S|T1_SGN_W)\r
-\r
-#define T1_SIG 0x1000\r
-#define T1_REFINE 0x2000\r
-#define T1_VISIT 0x4000\r
-\r
-#define T1_NUMCTXS_AGG 1\r
-#define T1_NUMCTXS_ZC 9\r
-#define T1_NUMCTXS_MAG 3\r
-#define T1_NUMCTXS_SC 5\r
-#define T1_NUMCTXS_UNI 1\r
-\r
-#define T1_CTXNO_AGG 0\r
-#define T1_CTXNO_ZC (T1_CTXNO_AGG+T1_NUMCTXS_AGG)\r
-#define T1_CTXNO_MAG (T1_CTXNO_ZC+T1_NUMCTXS_ZC)\r
-#define T1_CTXNO_SC (T1_CTXNO_MAG+T1_NUMCTXS_MAG)\r
-#define T1_CTXNO_UNI (T1_CTXNO_SC+T1_NUMCTXS_SC)\r
-#define T1_NUMCTXS (T1_CTXNO_UNI+T1_NUMCTXS_UNI)\r
-\r
-#define T1_NMSEDEC_FRACBITS (T1_NMSEDEC_BITS-1)\r
-\r
-#define T1_TYPE_MQ 0 /**< Normal coding using entropy coder */\r
-#define T1_TYPE_RAW 1 /**< No encoding the information is store under raw format in codestream (mode switch RAW)*/\r
-\r
-/* ----------------------------------------------------------------------- */\r
-\r
-/**\r
-Tier-1 coding (coding of code-block coefficients)\r
-*/\r
-typedef struct opj_t1 {\r
- /** codec context */\r
- opj_common_ptr cinfo;\r
-\r
- /** MQC component */\r
- opj_mqc_t *mqc;\r
- /** RAW component */\r
- opj_raw_t *raw;\r
-\r
- int lut_ctxno_zc[1024];\r
- int lut_ctxno_sc[256];\r
- int lut_ctxno_mag[4096];\r
- int lut_spb[256];\r
- int lut_nmsedec_sig[1 << T1_NMSEDEC_BITS];\r
- int lut_nmsedec_sig0[1 << T1_NMSEDEC_BITS];\r
- int lut_nmsedec_ref[1 << T1_NMSEDEC_BITS];\r
- int lut_nmsedec_ref0[1 << T1_NMSEDEC_BITS];\r
-\r
- int data[T1_MAXCBLKH][T1_MAXCBLKW];\r
- int flags[T1_MAXCBLKH + 2][T1_MAXCBLKH + 2];\r
-\r
-} opj_t1_t;\r
-\r
-/** @name Exported functions */\r
-/*@{*/\r
-/* ----------------------------------------------------------------------- */\r
-/**\r
-Create a new T1 handle \r
-and initialize the look-up tables of the Tier-1 coder/decoder\r
-@return Returns a new T1 handle if successful, returns NULL otherwise\r
-@see t1_init_luts\r
-*/\r
-opj_t1_t* t1_create(opj_common_ptr cinfo);\r
-/**\r
-Destroy a previously created T1 handle\r
-@param t1 T1 handle to destroy\r
-*/\r
-void t1_destroy(opj_t1_t *t1);\r
-/**\r
-Encode the code-blocks of a tile\r
-@param t1 T1 handle\r
-@param tile The tile to encode\r
-@param tcp Tile coding parameters\r
-*/\r
-void t1_encode_cblks(opj_t1_t *t1, opj_tcd_tile_t *tile, opj_tcp_t *tcp);\r
-/**\r
-Decode the code-blocks of a tile\r
-@param t1 T1 handle\r
-@param tile The tile to decode\r
-@param tcp Tile coding parameters\r
-*/\r
-void t1_decode_cblks(opj_t1_t *t1, opj_tcd_tile_t *tile, opj_tcp_t *tcp);\r
-/* ----------------------------------------------------------------------- */\r
-/*@}*/\r
-\r
-/*@}*/\r
-\r
-#endif /* __T1_H */\r
+/*
+ * Copyright (c) 2001-2003, David Janssens
+ * Copyright (c) 2002-2003, Yannick Verschueren
+ * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
+ * Copyright (c) 2005, Hervé Drolon, FreeImage Team
+ * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef __T1_H
+#define __T1_H
+/**
+@file t1.h
+@brief Implementation of the tier-1 coding (coding of code-block coefficients) (T1)
+
+The functions in T1.C have for goal to realize the tier-1 coding operation. The functions
+in T1.C are used by some function in TCD.C.
+*/
+
+/** @defgroup T1 T1 - Implementation of the tier-1 coding */
+/*@{*/
+
+/* ----------------------------------------------------------------------- */
+#define T1_NMSEDEC_BITS 7
+
+#define T1_MAXCBLKW 1024 /**< Maximum size of code-block (width) */
+#define T1_MAXCBLKH 1024 /**< Maximum size of code-block (heigth) */
+
+#define T1_SIG_NE 0x0001 /**< Context orientation : North-East direction */
+#define T1_SIG_SE 0x0002 /**< Context orientation : South-East direction */
+#define T1_SIG_SW 0x0004 /**< Context orientation : South-West direction */
+#define T1_SIG_NW 0x0008 /**< Context orientation : North-West direction */
+#define T1_SIG_N 0x0010 /**< Context orientation : North direction */
+#define T1_SIG_E 0x0020 /**< Context orientation : East direction */
+#define T1_SIG_S 0x0040 /**< Context orientation : South direction */
+#define T1_SIG_W 0x0080 /**< Context orientation : West direction */
+#define T1_SIG_OTH (T1_SIG_N|T1_SIG_NE|T1_SIG_E|T1_SIG_SE|T1_SIG_S|T1_SIG_SW|T1_SIG_W|T1_SIG_NW)
+#define T1_SIG_PRIM (T1_SIG_N|T1_SIG_E|T1_SIG_S|T1_SIG_W)
+
+#define T1_SGN_N 0x0100
+#define T1_SGN_E 0x0200
+#define T1_SGN_S 0x0400
+#define T1_SGN_W 0x0800
+#define T1_SGN (T1_SGN_N|T1_SGN_E|T1_SGN_S|T1_SGN_W)
+
+#define T1_SIG 0x1000
+#define T1_REFINE 0x2000
+#define T1_VISIT 0x4000
+
+#define T1_NUMCTXS_AGG 1
+#define T1_NUMCTXS_ZC 9
+#define T1_NUMCTXS_MAG 3
+#define T1_NUMCTXS_SC 5
+#define T1_NUMCTXS_UNI 1
+
+#define T1_CTXNO_AGG 0
+#define T1_CTXNO_ZC (T1_CTXNO_AGG+T1_NUMCTXS_AGG)
+#define T1_CTXNO_MAG (T1_CTXNO_ZC+T1_NUMCTXS_ZC)
+#define T1_CTXNO_SC (T1_CTXNO_MAG+T1_NUMCTXS_MAG)
+#define T1_CTXNO_UNI (T1_CTXNO_SC+T1_NUMCTXS_SC)
+#define T1_NUMCTXS (T1_CTXNO_UNI+T1_NUMCTXS_UNI)
+
+#define T1_NMSEDEC_FRACBITS (T1_NMSEDEC_BITS-1)
+
+#define T1_TYPE_MQ 0 /**< Normal coding using entropy coder */
+#define T1_TYPE_RAW 1 /**< No encoding the information is store under raw format in codestream (mode switch RAW)*/
+
+/* ----------------------------------------------------------------------- */
+
+/**
+Tier-1 coding (coding of code-block coefficients)
+*/
+typedef struct opj_t1 {
+ /** codec context */
+ opj_common_ptr cinfo;
+
+ /** MQC component */
+ opj_mqc_t *mqc;
+ /** RAW component */
+ opj_raw_t *raw;
+
+ int lut_ctxno_zc[1024];
+ int lut_ctxno_sc[256];
+ int lut_ctxno_mag[4096];
+ int lut_spb[256];
+ int lut_nmsedec_sig[1 << T1_NMSEDEC_BITS];
+ int lut_nmsedec_sig0[1 << T1_NMSEDEC_BITS];
+ int lut_nmsedec_ref[1 << T1_NMSEDEC_BITS];
+ int lut_nmsedec_ref0[1 << T1_NMSEDEC_BITS];
+
+ int data[T1_MAXCBLKH][T1_MAXCBLKW];
+ int flags[T1_MAXCBLKH + 2][T1_MAXCBLKH + 2];
+
+} opj_t1_t;
+
+/** @name Exported functions */
+/*@{*/
+/* ----------------------------------------------------------------------- */
+/**
+Create a new T1 handle
+and initialize the look-up tables of the Tier-1 coder/decoder
+@return Returns a new T1 handle if successful, returns NULL otherwise
+@see t1_init_luts
+*/
+opj_t1_t* t1_create(opj_common_ptr cinfo);
+/**
+Destroy a previously created T1 handle
+@param t1 T1 handle to destroy
+*/
+void t1_destroy(opj_t1_t *t1);
+/**
+Encode the code-blocks of a tile
+@param t1 T1 handle
+@param tile The tile to encode
+@param tcp Tile coding parameters
+*/
+void t1_encode_cblks(opj_t1_t *t1, opj_tcd_tile_t *tile, opj_tcp_t *tcp);
+/**
+Decode the code-blocks of a tile
+@param t1 T1 handle
+@param tile The tile to decode
+@param tcp Tile coding parameters
+*/
+void t1_decode_cblks(opj_t1_t *t1, opj_tcd_tile_t *tile, opj_tcp_t *tcp);
+/* ----------------------------------------------------------------------- */
+/*@}*/
+
+/*@}*/
+
+#endif /* __T1_H */
-/*\r
- * Copyright (c) 2001-2003, David Janssens\r
- * Copyright (c) 2002-2003, Yannick Verschueren\r
- * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe\r
- * Copyright (c) 2005, Hervé Drolon, FreeImage Team\r
- * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium\r
- * All rights reserved.\r
- *\r
- * Redistribution and use in source and binary forms, with or without\r
- * modification, are permitted provided that the following conditions\r
- * are met:\r
- * 1. Redistributions of source code must retain the above copyright\r
- * notice, this list of conditions and the following disclaimer.\r
- * 2. Redistributions in binary form must reproduce the above copyright\r
- * notice, this list of conditions and the following disclaimer in the\r
- * documentation and/or other materials provided with the distribution.\r
- *\r
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'\r
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE\r
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\r
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\r
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\r
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\r
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
- * POSSIBILITY OF SUCH DAMAGE.\r
- */\r
-\r
-#include "opj_includes.h"\r
-\r
-/** @defgroup T2 T2 - Implementation of a tier-2 coding */\r
-/*@{*/\r
-\r
-/** @name Local static functions */\r
-/*@{*/\r
-\r
-static void t2_putcommacode(opj_bio_t *bio, int n);\r
-static int t2_getcommacode(opj_bio_t *bio);\r
-/**\r
-Variable length code for signalling delta Zil (truncation point)\r
-@param bio Bit Input/Output component\r
-@param n delta Zil\r
-*/\r
-static void t2_putnumpasses(opj_bio_t *bio, int n);\r
-static int t2_getnumpasses(opj_bio_t *bio);\r
-/**\r
-Encode a packet of a tile to a destination buffer\r
-@param tile Tile for which to write the packets\r
-@param tcp Tile coding parameters\r
-@param pi Packet identity\r
-@param dest Destination buffer\r
-@param len Length of the destination buffer\r
-@param image_info Structure to create an index file\r
-@param tileno Number of the tile encoded\r
-@return \r
-*/\r
-static int t2_encode_packet(opj_tcd_tile_t *tile, opj_tcp_t *tcp, opj_pi_iterator_t *pi, unsigned char *dest, int len, opj_image_info_t *image_info, int tileno);\r
-/**\r
-@param seg\r
-@param cblksty\r
-@param first\r
-*/\r
-static void t2_init_seg(opj_tcd_seg_t *seg, int cblksty, int first);\r
-/**\r
-Decode a packet of a tile from a source buffer\r
-@param t2 T2 handle\r
-@param src Source buffer\r
-@param len Length of the source buffer\r
-@param tile Tile for which to write the packets\r
-@param tcp Tile coding parameters\r
-@param pi Packet identity\r
-@return \r
-*/\r
-int t2_decode_packet(opj_t2_t* t2, unsigned char *src, int len, opj_tcd_tile_t *tile, opj_tcp_t *tcp, opj_pi_iterator_t *pi);\r
-\r
-/*@}*/\r
-\r
-/*@}*/\r
-\r
-/* ----------------------------------------------------------------------- */\r
-\r
-/* #define RESTART 0x04 */\r
-\r
-static void t2_putcommacode(opj_bio_t *bio, int n) {\r
- while (--n >= 0) {\r
- bio_write(bio, 1, 1);\r
- }\r
- bio_write(bio, 0, 1);\r
-}\r
-\r
-static int t2_getcommacode(opj_bio_t *bio) {\r
- int n;\r
- for (n = 0; bio_read(bio, 1); n++) {\r
- ;\r
- }\r
- return n;\r
-}\r
-\r
-static void t2_putnumpasses(opj_bio_t *bio, int n) {\r
- if (n == 1) {\r
- bio_write(bio, 0, 1);\r
- } else if (n == 2) {\r
- bio_write(bio, 2, 2);\r
- } else if (n <= 5) {\r
- bio_write(bio, 0xc | (n - 3), 4);\r
- } else if (n <= 36) {\r
- bio_write(bio, 0x1e0 | (n - 6), 9);\r
- } else if (n <= 164) {\r
- bio_write(bio, 0xff80 | (n - 37), 16);\r
- }\r
-}\r
-\r
-static int t2_getnumpasses(opj_bio_t *bio) {\r
- int n;\r
- if (!bio_read(bio, 1))\r
- return 1;\r
- if (!bio_read(bio, 1))\r
- return 2;\r
- if ((n = bio_read(bio, 2)) != 3)\r
- return (3 + n);\r
- if ((n = bio_read(bio, 5)) != 31)\r
- return (6 + n);\r
- return (37 + bio_read(bio, 7));\r
-}\r
-\r
-static int t2_encode_packet(opj_tcd_tile_t * tile, opj_tcp_t * tcp, opj_pi_iterator_t *pi, unsigned char *dest, int len, opj_image_info_t * image_info, int tileno) {\r
- int bandno, cblkno;\r
- unsigned char *sop = 0, *eph = 0;\r
- unsigned char *c = dest;\r
-\r
- int compno = pi->compno; /* component value */\r
- int resno = pi->resno; /* resolution level value */\r
- int precno = pi->precno; /* precinct value */\r
- int layno = pi->layno; /* quality layer value */\r
-\r
- opj_tcd_tilecomp_t *tilec = &tile->comps[compno];\r
- opj_tcd_resolution_t *res = &tilec->resolutions[resno];\r
- \r
- opj_bio_t *bio = NULL; /* BIO component */\r
- \r
- /* <SOP 0xff91> */\r
- if (tcp->csty & J2K_CP_CSTY_SOP) {\r
- sop = (unsigned char *) opj_malloc(6 * sizeof(unsigned char));\r
- sop[0] = 255;\r
- sop[1] = 145;\r
- sop[2] = 0;\r
- sop[3] = 4;\r
- sop[4] = (image_info->num % 65536) / 256;\r
- sop[5] = (image_info->num % 65536) % 256;\r
- memcpy(c, sop, 6);\r
- opj_free(sop);\r
- c += 6;\r
- }\r
- /* </SOP> */\r
- \r
- if (!layno) {\r
- for (bandno = 0; bandno < res->numbands; bandno++) {\r
- opj_tcd_band_t *band = &res->bands[bandno];\r
- opj_tcd_precinct_t *prc = &band->precincts[precno];\r
- tgt_reset(prc->incltree);\r
- tgt_reset(prc->imsbtree);\r
- for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {\r
- opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];\r
- cblk->numpasses = 0;\r
- tgt_setvalue(prc->imsbtree, cblkno, band->numbps - cblk->numbps);\r
- }\r
- }\r
- }\r
- \r
- bio = bio_create();\r
- bio_init_enc(bio, c, len);\r
- bio_write(bio, 1, 1); /* Empty header bit */\r
- \r
- /* Writing Packet header */\r
- for (bandno = 0; bandno < res->numbands; bandno++) {\r
- opj_tcd_band_t *band = &res->bands[bandno];\r
- opj_tcd_precinct_t *prc = &band->precincts[precno];\r
- for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {\r
- opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];\r
- opj_tcd_layer_t *layer = &cblk->layers[layno];\r
- if (!cblk->numpasses && layer->numpasses) {\r
- tgt_setvalue(prc->incltree, cblkno, layno);\r
- }\r
- }\r
- for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {\r
- opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];\r
- opj_tcd_layer_t *layer = &cblk->layers[layno];\r
- int increment = 0;\r
- int nump = 0;\r
- int len = 0, passno;\r
- /* cblk inclusion bits */\r
- if (!cblk->numpasses) {\r
- tgt_encode(bio, prc->incltree, cblkno, layno + 1);\r
- } else {\r
- bio_write(bio, layer->numpasses != 0, 1);\r
- }\r
- /* if cblk not included, go to the next cblk */\r
- if (!layer->numpasses) {\r
- continue;\r
- }\r
- /* if first instance of cblk --> zero bit-planes information */\r
- if (!cblk->numpasses) {\r
- cblk->numlenbits = 3;\r
- tgt_encode(bio, prc->imsbtree, cblkno, 999);\r
- }\r
- /* number of coding passes included */\r
- t2_putnumpasses(bio, layer->numpasses);\r
- \r
- /* computation of the increase of the length indicator and insertion in the header */\r
- for (passno = cblk->numpasses; passno < cblk->numpasses + layer->numpasses; passno++) {\r
- opj_tcd_pass_t *pass = &cblk->passes[passno];\r
- nump++;\r
- len += pass->len;\r
- if (pass->term || passno == (cblk->numpasses + layer->numpasses) - 1) {\r
- increment = int_max(increment, int_floorlog2(len) + 1 - (cblk->numlenbits + int_floorlog2(nump)));\r
- len = 0;\r
- nump = 0;\r
- }\r
- }\r
- t2_putcommacode(bio, increment);\r
-\r
- /* computation of the new Length indicator */\r
- cblk->numlenbits += increment;\r
-\r
- /* insertion of the codeword segment length */\r
- for (passno = cblk->numpasses; passno < cblk->numpasses + layer->numpasses; passno++) {\r
- opj_tcd_pass_t *pass = &cblk->passes[passno];\r
- nump++;\r
- len += pass->len;\r
- if (pass->term || passno == (cblk->numpasses + layer->numpasses) - 1) {\r
- bio_write(bio, len, cblk->numlenbits + int_floorlog2(nump));\r
- len = 0;\r
- nump = 0;\r
- }\r
- }\r
- }\r
- }\r
- \r
- if (bio_flush(bio)) {\r
- return -999; /* modified to eliminate longjmp !! */\r
- }\r
- \r
- c += bio_numbytes(bio);\r
-\r
- bio_destroy(bio);\r
- \r
- /* <EPH 0xff92> */\r
- if (tcp->csty & J2K_CP_CSTY_EPH) {\r
- eph = (unsigned char *) opj_malloc(2 * sizeof(unsigned char));\r
- eph[0] = 255;\r
- eph[1] = 146;\r
- memcpy(c, eph, 2);\r
- opj_free(eph);\r
- c += 2;\r
- }\r
- /* </EPH> */\r
- \r
- /* Writing the packet body */\r
- \r
- for (bandno = 0; bandno < res->numbands; bandno++) {\r
- opj_tcd_band_t *band = &res->bands[bandno];\r
- opj_tcd_precinct_t *prc = &band->precincts[precno];\r
- for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {\r
- opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];\r
- opj_tcd_layer_t *layer = &cblk->layers[layno];\r
- if (!layer->numpasses) {\r
- continue;\r
- }\r
- if (c + layer->len > dest + len) {\r
- return -999;\r
- }\r
- \r
- memcpy(c, layer->data, layer->len);\r
- cblk->numpasses += layer->numpasses;\r
- c += layer->len;\r
- /* ADD for index Cfr. Marcela --> delta disto by packet */\r
- if(image_info && image_info->index_write && image_info->index_on) {\r
- opj_tile_info_t *info_TL = &image_info->tile[tileno];\r
- opj_packet_info_t *info_PK = &info_TL->packet[image_info->num];\r
- info_PK->disto += layer->disto;\r
- if (image_info->D_max < info_PK->disto) {\r
- image_info->D_max = info_PK->disto;\r
- }\r
- }\r
- /* </ADD> */\r
- }\r
- }\r
- \r
- return (c - dest);\r
-}\r
-\r
-static void t2_init_seg(opj_tcd_seg_t * seg, int cblksty, int first) {\r
- seg->numpasses = 0;\r
- seg->len = 0;\r
- if (cblksty & J2K_CCP_CBLKSTY_TERMALL) {\r
- seg->maxpasses = 1;\r
- }\r
- else if (cblksty & J2K_CCP_CBLKSTY_LAZY) {\r
- if (first) {\r
- seg->maxpasses = 10;\r
- } else {\r
- seg->maxpasses = (((seg - 1)->maxpasses == 1) || ((seg - 1)->maxpasses == 10)) ? 2 : 1;\r
- }\r
- } else {\r
- seg->maxpasses = 109;\r
- }\r
-}\r
-\r
-int t2_decode_packet(opj_t2_t* t2, unsigned char *src, int len, opj_tcd_tile_t *tile, opj_tcp_t *tcp, opj_pi_iterator_t *pi) {\r
- int bandno, cblkno;\r
- unsigned char *c = src;\r
-\r
- opj_cp_t *cp = t2->cp;\r
-\r
- int compno = pi->compno; /* component value */\r
- int resno = pi->resno; /* resolution level value */\r
- int precno = pi->precno; /* precinct value */\r
- int layno = pi->layno; /* quality layer value */\r
-\r
- opj_tcd_tilecomp_t *tilec = &tile->comps[compno];\r
- opj_tcd_resolution_t *res = &tilec->resolutions[resno];\r
- \r
- unsigned char *hd = NULL;\r
- int present;\r
- \r
- opj_bio_t *bio = NULL; /* BIO component */\r
- \r
- if (layno == 0) {\r
- for (bandno = 0; bandno < res->numbands; bandno++) {\r
- opj_tcd_band_t *band = &res->bands[bandno];\r
- opj_tcd_precinct_t *prc = &band->precincts[precno];\r
- \r
- if ((band->x1-band->x0 == 0)||(band->y1-band->y0 == 0)) continue;\r
- \r
- tgt_reset(prc->incltree);\r
- tgt_reset(prc->imsbtree);\r
- for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {\r
- opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];\r
- cblk->numsegs = 0;\r
- }\r
- }\r
- }\r
- \r
- /* SOP markers */\r
- \r
- if (tcp->csty & J2K_CP_CSTY_SOP) {\r
- if ((*c) != 0xff || (*(c + 1) != 0x91)) {\r
- opj_event_msg(t2->cinfo, EVT_WARNING, "Expected SOP marker\n");\r
- } else {\r
- c += 6;\r
- }\r
- \r
- /** TODO : check the Nsop value */\r
- }\r
- \r
- /* \r
- When the marker PPT/PPM is used the packet header are store in PPT/PPM marker\r
- This part deal with this caracteristic\r
- step 1: Read packet header in the saved structure\r
- step 2: Return to codestream for decoding \r
- */\r
-\r
- bio = bio_create();\r
- \r
- if (cp->ppm == 1) { /* PPM */\r
- hd = cp->ppm_data;\r
- bio_init_dec(bio, hd, cp->ppm_len);\r
- } else if (tcp->ppt == 1) { /* PPT */\r
- hd = tcp->ppt_data;\r
- bio_init_dec(bio, hd, tcp->ppt_len);\r
- } else { /* Normal Case */\r
- hd = c;\r
- bio_init_dec(bio, hd, src+len-hd);\r
- }\r
- \r
- present = bio_read(bio, 1);\r
- \r
- if (!present) {\r
- bio_inalign(bio);\r
- hd += bio_numbytes(bio);\r
- bio_destroy(bio);\r
- \r
- /* EPH markers */\r
- \r
- if (tcp->csty & J2K_CP_CSTY_EPH) {\r
- if ((*hd) != 0xff || (*(hd + 1) != 0x92)) {\r
- printf("Error : expected EPH marker\n");\r
- } else {\r
- hd += 2;\r
- }\r
- }\r
- \r
- if (cp->ppm == 1) { /* PPM case */\r
- cp->ppm_len += cp->ppm_data-hd;\r
- cp->ppm_data = hd;\r
- return (c - src);\r
- }\r
- if (tcp->ppt == 1) { /* PPT case */\r
- tcp->ppt_len+=tcp->ppt_data-hd;\r
- tcp->ppt_data = hd;\r
- return (c - src);\r
- }\r
- \r
- return (hd - src);\r
- }\r
- \r
- for (bandno = 0; bandno < res->numbands; bandno++) {\r
- opj_tcd_band_t *band = &res->bands[bandno];\r
- opj_tcd_precinct_t *prc = &band->precincts[precno];\r
- \r
- if ((band->x1-band->x0 == 0)||(band->y1-band->y0 == 0)) continue;\r
- \r
- for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {\r
- int included, increment, n;\r
- opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];\r
- opj_tcd_seg_t *seg = NULL;\r
- /* if cblk not yet included before --> inclusion tagtree */\r
- if (!cblk->numsegs) {\r
- included = tgt_decode(bio, prc->incltree, cblkno, layno + 1);\r
- /* else one bit */\r
- } else {\r
- included = bio_read(bio, 1);\r
- }\r
- /* if cblk not included */\r
- if (!included) {\r
- cblk->numnewpasses = 0;\r
- continue;\r
- }\r
- /* if cblk not yet included --> zero-bitplane tagtree */\r
- if (!cblk->numsegs) {\r
- int i, numimsbs;\r
- for (i = 0; !tgt_decode(bio, prc->imsbtree, cblkno, i); i++) {\r
- ;\r
- }\r
- numimsbs = i - 1;\r
- cblk->numbps = band->numbps - numimsbs;\r
- cblk->numlenbits = 3;\r
- }\r
- /* number of coding passes */\r
- cblk->numnewpasses = t2_getnumpasses(bio);\r
- increment = t2_getcommacode(bio);\r
- /* length indicator increment */\r
- cblk->numlenbits += increment;\r
- if (!cblk->numsegs) {\r
- seg = &cblk->segs[0];\r
- t2_init_seg(seg, tcp->tccps[compno].cblksty, 1);\r
- } else {\r
- seg = &cblk->segs[cblk->numsegs - 1];\r
- if (seg->numpasses == seg->maxpasses) {\r
- t2_init_seg(++seg, tcp->tccps[compno].cblksty, 0);\r
- }\r
- }\r
- n = cblk->numnewpasses;\r
- \r
- do {\r
- seg->numnewpasses = int_min(seg->maxpasses - seg->numpasses, n);\r
- seg->newlen = bio_read(bio, cblk->numlenbits + int_floorlog2(seg->numnewpasses));\r
- n -= seg->numnewpasses;\r
- if (n > 0) {\r
- t2_init_seg(++seg, tcp->tccps[compno].cblksty, 0);\r
- }\r
- } while (n > 0);\r
- }\r
- }\r
- \r
- if (bio_inalign(bio)) {\r
- bio_destroy(bio);\r
- return -999;\r
- }\r
- \r
- hd += bio_numbytes(bio);\r
- bio_destroy(bio);\r
- \r
- /* EPH markers */\r
- if (tcp->csty & J2K_CP_CSTY_EPH) {\r
- if ((*hd) != 0xff || (*(hd + 1) != 0x92)) {\r
- opj_event_msg(t2->cinfo, EVT_ERROR, "Expected EPH marker\n");\r
- } else {\r
- hd += 2;\r
- }\r
- }\r
- \r
- if (cp->ppm==1) {\r
- cp->ppm_len+=cp->ppm_data-hd;\r
- cp->ppm_data = hd;\r
- } else if (tcp->ppt == 1) {\r
- tcp->ppt_len+=tcp->ppt_data-hd;\r
- tcp->ppt_data = hd;\r
- } else {\r
- c=hd;\r
- }\r
- \r
- for (bandno = 0; bandno < res->numbands; bandno++) {\r
- opj_tcd_band_t *band = &res->bands[bandno];\r
- opj_tcd_precinct_t *prc = &band->precincts[precno];\r
- \r
- if ((band->x1-band->x0 == 0)||(band->y1-band->y0 == 0)) continue;\r
- \r
- for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {\r
- opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];\r
- opj_tcd_seg_t *seg = NULL;\r
- if (!cblk->numnewpasses)\r
- continue;\r
- if (!cblk->numsegs) {\r
- seg = &cblk->segs[0];\r
- cblk->numsegs++;\r
- cblk->len = 0;\r
- } else {\r
- seg = &cblk->segs[cblk->numsegs - 1];\r
- if (seg->numpasses == seg->maxpasses) {\r
- seg++;\r
- cblk->numsegs++;\r
- }\r
- }\r
- \r
- do {\r
- if (c + seg->newlen > src + len) {\r
- return -999;\r
- }\r
- \r
- memcpy(cblk->data + cblk->len, c, seg->newlen);\r
- if (seg->numpasses == 0) {\r
- seg->data = cblk->data + cblk->len;\r
- }\r
- c += seg->newlen;\r
- cblk->len += seg->newlen;\r
- seg->len += seg->newlen;\r
- seg->numpasses += seg->numnewpasses;\r
- cblk->numnewpasses -= seg->numnewpasses;\r
- if (cblk->numnewpasses > 0) {\r
- seg++;\r
- cblk->numsegs++;\r
- }\r
- } while (cblk->numnewpasses > 0);\r
- }\r
- }\r
- \r
- return (c - src);\r
-}\r
-\r
-/* ----------------------------------------------------------------------- */\r
-\r
-int t2_encode_packets(opj_t2_t* t2, int tileno, opj_tcd_tile_t *tile, int maxlayers, unsigned char *dest, int len, opj_image_info_t *image_info) {\r
- unsigned char *c = dest;\r
- int e = 0;\r
- opj_pi_iterator_t *pi = NULL;\r
- int pino;\r
-\r
- opj_image_t *image = t2->image;\r
- opj_cp_t *cp = t2->cp;\r
- \r
- /* create a packet iterator */\r
- pi = pi_create(image, cp, tileno);\r
- if(!pi) {\r
- /* TODO: throw an error */\r
- return -999;\r
- }\r
- \r
- if(image_info) {\r
- image_info->num = 0;\r
- }\r
- \r
- for (pino = 0; pino <= cp->tcps[tileno].numpocs; pino++) {\r
- while (pi_next(&pi[pino])) {\r
- if (pi[pino].layno < maxlayers) {\r
- e = t2_encode_packet(tile, &cp->tcps[tileno], &pi[pino], c, dest + len - c, image_info, tileno);\r
- if (e == -999) {\r
- break;\r
- } else {\r
- c += e;\r
- }\r
- \r
- /* INDEX >> */\r
- if(image_info && image_info->index_on) {\r
- if(image_info->index_write) {\r
- opj_tile_info_t *info_TL = &image_info->tile[tileno];\r
- opj_packet_info_t *info_PK = &info_TL->packet[image_info->num];\r
- if (!image_info->num) {\r
- info_PK->start_pos = info_TL->end_header + 1;\r
- } else {\r
- info_PK->start_pos = info_TL->packet[image_info->num - 1].end_pos + 1;\r
- }\r
- info_PK->end_pos = info_PK->start_pos + e - 1;\r
- }\r
-\r
- image_info->num++;\r
- }\r
- /* << INDEX */\r
- }\r
- }\r
- }\r
-\r
- /* don't forget to release pi */\r
- pi_destroy(pi, cp, tileno);\r
- \r
- if (e == -999) {\r
- return e;\r
- }\r
-\r
- return (c - dest);\r
-}\r
-\r
-int t2_decode_packets(opj_t2_t *t2, unsigned char *src, int len, int tileno, opj_tcd_tile_t *tile) {\r
- unsigned char *c = src;\r
- opj_pi_iterator_t *pi;\r
- int pino, e = 0;\r
- int n = 0;\r
-\r
- opj_image_t *image = t2->image;\r
- opj_cp_t *cp = t2->cp;\r
- \r
- /* create a packet iterator */\r
- pi = pi_create(image, cp, tileno);\r
- if(!pi) {\r
- /* TODO: throw an error */\r
- return -999;\r
- }\r
- \r
- for (pino = 0; pino <= cp->tcps[tileno].numpocs; pino++) {\r
- while (pi_next(&pi[pino])) {\r
- if ((cp->layer==0) || (cp->layer>=((pi[pino].layno)+1))) {\r
- e = t2_decode_packet(t2, c, src + len - c, tile, &cp->tcps[tileno], &pi[pino]);\r
- } else {\r
- e = 0;\r
- }\r
- \r
- /* progression in resolution */\r
- image->comps[pi[pino].compno].resno_decoded = \r
- (e > 0) ? \r
- int_max(pi[pino].resno, image->comps[pi[pino].compno].resno_decoded) \r
- : image->comps[pi[pino].compno].resno_decoded;\r
- n++;\r
- \r
- if (e == -999) { /* ADD */\r
- break;\r
- } else {\r
- c += e;\r
- }\r
- }\r
- }\r
-\r
- /* don't forget to release pi */\r
- pi_destroy(pi, cp, tileno);\r
- \r
- if (e == -999) {\r
- return e;\r
- }\r
- \r
- return (c - src);\r
-}\r
-\r
-/* ----------------------------------------------------------------------- */\r
-\r
-opj_t2_t* t2_create(opj_common_ptr cinfo, opj_image_t *image, opj_cp_t *cp) {\r
- /* create the tcd structure */\r
- opj_t2_t *t2 = (opj_t2_t*)opj_malloc(sizeof(opj_t2_t));\r
- if(!t2) return NULL;\r
- t2->cinfo = cinfo;\r
- t2->image = image;\r
- t2->cp = cp;\r
-\r
- return t2;\r
-}\r
-\r
-void t2_destroy(opj_t2_t *t2) {\r
- if(t2) {\r
- opj_free(t2);\r
- }\r
-}\r
-\r
+/*
+ * Copyright (c) 2001-2003, David Janssens
+ * Copyright (c) 2002-2003, Yannick Verschueren
+ * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
+ * Copyright (c) 2005, Hervé Drolon, FreeImage Team
+ * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "opj_includes.h"
+
+/** @defgroup T2 T2 - Implementation of a tier-2 coding */
+/*@{*/
+
+/** @name Local static functions */
+/*@{*/
+
+static void t2_putcommacode(opj_bio_t *bio, int n);
+static int t2_getcommacode(opj_bio_t *bio);
+/**
+Variable length code for signalling delta Zil (truncation point)
+@param bio Bit Input/Output component
+@param n delta Zil
+*/
+static void t2_putnumpasses(opj_bio_t *bio, int n);
+static int t2_getnumpasses(opj_bio_t *bio);
+/**
+Encode a packet of a tile to a destination buffer
+@param tile Tile for which to write the packets
+@param tcp Tile coding parameters
+@param pi Packet identity
+@param dest Destination buffer
+@param len Length of the destination buffer
+@param image_info Structure to create an index file
+@param tileno Number of the tile encoded
+@return
+*/
+static int t2_encode_packet(opj_tcd_tile_t *tile, opj_tcp_t *tcp, opj_pi_iterator_t *pi, unsigned char *dest, int len, opj_image_info_t *image_info, int tileno);
+/**
+@param seg
+@param cblksty
+@param first
+*/
+static void t2_init_seg(opj_tcd_seg_t *seg, int cblksty, int first);
+/**
+Decode a packet of a tile from a source buffer
+@param t2 T2 handle
+@param src Source buffer
+@param len Length of the source buffer
+@param tile Tile for which to write the packets
+@param tcp Tile coding parameters
+@param pi Packet identity
+@return
+*/
+int t2_decode_packet(opj_t2_t* t2, unsigned char *src, int len, opj_tcd_tile_t *tile, opj_tcp_t *tcp, opj_pi_iterator_t *pi);
+
+/*@}*/
+
+/*@}*/
+
+/* ----------------------------------------------------------------------- */
+
+/* #define RESTART 0x04 */
+
+static void t2_putcommacode(opj_bio_t *bio, int n) {
+ while (--n >= 0) {
+ bio_write(bio, 1, 1);
+ }
+ bio_write(bio, 0, 1);
+}
+
+static int t2_getcommacode(opj_bio_t *bio) {
+ int n;
+ for (n = 0; bio_read(bio, 1); n++) {
+ ;
+ }
+ return n;
+}
+
+static void t2_putnumpasses(opj_bio_t *bio, int n) {
+ if (n == 1) {
+ bio_write(bio, 0, 1);
+ } else if (n == 2) {
+ bio_write(bio, 2, 2);
+ } else if (n <= 5) {
+ bio_write(bio, 0xc | (n - 3), 4);
+ } else if (n <= 36) {
+ bio_write(bio, 0x1e0 | (n - 6), 9);
+ } else if (n <= 164) {
+ bio_write(bio, 0xff80 | (n - 37), 16);
+ }
+}
+
+static int t2_getnumpasses(opj_bio_t *bio) {
+ int n;
+ if (!bio_read(bio, 1))
+ return 1;
+ if (!bio_read(bio, 1))
+ return 2;
+ if ((n = bio_read(bio, 2)) != 3)
+ return (3 + n);
+ if ((n = bio_read(bio, 5)) != 31)
+ return (6 + n);
+ return (37 + bio_read(bio, 7));
+}
+
+static int t2_encode_packet(opj_tcd_tile_t * tile, opj_tcp_t * tcp, opj_pi_iterator_t *pi, unsigned char *dest, int len, opj_image_info_t * image_info, int tileno) {
+ int bandno, cblkno;
+ unsigned char *sop = 0, *eph = 0;
+ unsigned char *c = dest;
+
+ int compno = pi->compno; /* component value */
+ int resno = pi->resno; /* resolution level value */
+ int precno = pi->precno; /* precinct value */
+ int layno = pi->layno; /* quality layer value */
+
+ opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
+ opj_tcd_resolution_t *res = &tilec->resolutions[resno];
+
+ opj_bio_t *bio = NULL; /* BIO component */
+
+ /* <SOP 0xff91> */
+ if (tcp->csty & J2K_CP_CSTY_SOP) {
+ sop = (unsigned char *) opj_malloc(6 * sizeof(unsigned char));
+ sop[0] = 255;
+ sop[1] = 145;
+ sop[2] = 0;
+ sop[3] = 4;
+ sop[4] = (image_info->num % 65536) / 256;
+ sop[5] = (image_info->num % 65536) % 256;
+ memcpy(c, sop, 6);
+ opj_free(sop);
+ c += 6;
+ }
+ /* </SOP> */
+
+ if (!layno) {
+ for (bandno = 0; bandno < res->numbands; bandno++) {
+ opj_tcd_band_t *band = &res->bands[bandno];
+ opj_tcd_precinct_t *prc = &band->precincts[precno];
+ tgt_reset(prc->incltree);
+ tgt_reset(prc->imsbtree);
+ for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
+ opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
+ cblk->numpasses = 0;
+ tgt_setvalue(prc->imsbtree, cblkno, band->numbps - cblk->numbps);
+ }
+ }
+ }
+
+ bio = bio_create();
+ bio_init_enc(bio, c, len);
+ bio_write(bio, 1, 1); /* Empty header bit */
+
+ /* Writing Packet header */
+ for (bandno = 0; bandno < res->numbands; bandno++) {
+ opj_tcd_band_t *band = &res->bands[bandno];
+ opj_tcd_precinct_t *prc = &band->precincts[precno];
+ for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
+ opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
+ opj_tcd_layer_t *layer = &cblk->layers[layno];
+ if (!cblk->numpasses && layer->numpasses) {
+ tgt_setvalue(prc->incltree, cblkno, layno);
+ }
+ }
+ for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
+ opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
+ opj_tcd_layer_t *layer = &cblk->layers[layno];
+ int increment = 0;
+ int nump = 0;
+ int len = 0, passno;
+ /* cblk inclusion bits */
+ if (!cblk->numpasses) {
+ tgt_encode(bio, prc->incltree, cblkno, layno + 1);
+ } else {
+ bio_write(bio, layer->numpasses != 0, 1);
+ }
+ /* if cblk not included, go to the next cblk */
+ if (!layer->numpasses) {
+ continue;
+ }
+ /* if first instance of cblk --> zero bit-planes information */
+ if (!cblk->numpasses) {
+ cblk->numlenbits = 3;
+ tgt_encode(bio, prc->imsbtree, cblkno, 999);
+ }
+ /* number of coding passes included */
+ t2_putnumpasses(bio, layer->numpasses);
+
+ /* computation of the increase of the length indicator and insertion in the header */
+ for (passno = cblk->numpasses; passno < cblk->numpasses + layer->numpasses; passno++) {
+ opj_tcd_pass_t *pass = &cblk->passes[passno];
+ nump++;
+ len += pass->len;
+ if (pass->term || passno == (cblk->numpasses + layer->numpasses) - 1) {
+ increment = int_max(increment, int_floorlog2(len) + 1 - (cblk->numlenbits + int_floorlog2(nump)));
+ len = 0;
+ nump = 0;
+ }
+ }
+ t2_putcommacode(bio, increment);
+
+ /* computation of the new Length indicator */
+ cblk->numlenbits += increment;
+
+ /* insertion of the codeword segment length */
+ for (passno = cblk->numpasses; passno < cblk->numpasses + layer->numpasses; passno++) {
+ opj_tcd_pass_t *pass = &cblk->passes[passno];
+ nump++;
+ len += pass->len;
+ if (pass->term || passno == (cblk->numpasses + layer->numpasses) - 1) {
+ bio_write(bio, len, cblk->numlenbits + int_floorlog2(nump));
+ len = 0;
+ nump = 0;
+ }
+ }
+ }
+ }
+
+ if (bio_flush(bio)) {
+ return -999; /* modified to eliminate longjmp !! */
+ }
+
+ c += bio_numbytes(bio);
+
+ bio_destroy(bio);
+
+ /* <EPH 0xff92> */
+ if (tcp->csty & J2K_CP_CSTY_EPH) {
+ eph = (unsigned char *) opj_malloc(2 * sizeof(unsigned char));
+ eph[0] = 255;
+ eph[1] = 146;
+ memcpy(c, eph, 2);
+ opj_free(eph);
+ c += 2;
+ }
+ /* </EPH> */
+
+ /* Writing the packet body */
+
+ for (bandno = 0; bandno < res->numbands; bandno++) {
+ opj_tcd_band_t *band = &res->bands[bandno];
+ opj_tcd_precinct_t *prc = &band->precincts[precno];
+ for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
+ opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
+ opj_tcd_layer_t *layer = &cblk->layers[layno];
+ if (!layer->numpasses) {
+ continue;
+ }
+ if (c + layer->len > dest + len) {
+ return -999;
+ }
+
+ memcpy(c, layer->data, layer->len);
+ cblk->numpasses += layer->numpasses;
+ c += layer->len;
+ /* ADD for index Cfr. Marcela --> delta disto by packet */
+ if(image_info && image_info->index_write && image_info->index_on) {
+ opj_tile_info_t *info_TL = &image_info->tile[tileno];
+ opj_packet_info_t *info_PK = &info_TL->packet[image_info->num];
+ info_PK->disto += layer->disto;
+ if (image_info->D_max < info_PK->disto) {
+ image_info->D_max = info_PK->disto;
+ }
+ }
+ /* </ADD> */
+ }
+ }
+
+ return (c - dest);
+}
+
+static void t2_init_seg(opj_tcd_seg_t * seg, int cblksty, int first) {
+ seg->numpasses = 0;
+ seg->len = 0;
+ if (cblksty & J2K_CCP_CBLKSTY_TERMALL) {
+ seg->maxpasses = 1;
+ }
+ else if (cblksty & J2K_CCP_CBLKSTY_LAZY) {
+ if (first) {
+ seg->maxpasses = 10;
+ } else {
+ seg->maxpasses = (((seg - 1)->maxpasses == 1) || ((seg - 1)->maxpasses == 10)) ? 2 : 1;
+ }
+ } else {
+ seg->maxpasses = 109;
+ }
+}
+
+int t2_decode_packet(opj_t2_t* t2, unsigned char *src, int len, opj_tcd_tile_t *tile, opj_tcp_t *tcp, opj_pi_iterator_t *pi) {
+ int bandno, cblkno;
+ unsigned char *c = src;
+
+ opj_cp_t *cp = t2->cp;
+
+ int compno = pi->compno; /* component value */
+ int resno = pi->resno; /* resolution level value */
+ int precno = pi->precno; /* precinct value */
+ int layno = pi->layno; /* quality layer value */
+
+ opj_tcd_tilecomp_t *tilec = &tile->comps[compno];
+ opj_tcd_resolution_t *res = &tilec->resolutions[resno];
+
+ unsigned char *hd = NULL;
+ int present;
+
+ opj_bio_t *bio = NULL; /* BIO component */
+
+ if (layno == 0) {
+ for (bandno = 0; bandno < res->numbands; bandno++) {
+ opj_tcd_band_t *band = &res->bands[bandno];
+ opj_tcd_precinct_t *prc = &band->precincts[precno];
+
+ if ((band->x1-band->x0 == 0)||(band->y1-band->y0 == 0)) continue;
+
+ tgt_reset(prc->incltree);
+ tgt_reset(prc->imsbtree);
+ for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
+ opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
+ cblk->numsegs = 0;
+ }
+ }
+ }
+
+ /* SOP markers */
+
+ if (tcp->csty & J2K_CP_CSTY_SOP) {
+ if ((*c) != 0xff || (*(c + 1) != 0x91)) {
+ opj_event_msg(t2->cinfo, EVT_WARNING, "Expected SOP marker\n");
+ } else {
+ c += 6;
+ }
+
+ /** TODO : check the Nsop value */
+ }
+
+ /*
+ When the marker PPT/PPM is used the packet header are store in PPT/PPM marker
+ This part deal with this caracteristic
+ step 1: Read packet header in the saved structure
+ step 2: Return to codestream for decoding
+ */
+
+ bio = bio_create();
+
+ if (cp->ppm == 1) { /* PPM */
+ hd = cp->ppm_data;
+ bio_init_dec(bio, hd, cp->ppm_len);
+ } else if (tcp->ppt == 1) { /* PPT */
+ hd = tcp->ppt_data;
+ bio_init_dec(bio, hd, tcp->ppt_len);
+ } else { /* Normal Case */
+ hd = c;
+ bio_init_dec(bio, hd, src+len-hd);
+ }
+
+ present = bio_read(bio, 1);
+
+ if (!present) {
+ bio_inalign(bio);
+ hd += bio_numbytes(bio);
+ bio_destroy(bio);
+
+ /* EPH markers */
+
+ if (tcp->csty & J2K_CP_CSTY_EPH) {
+ if ((*hd) != 0xff || (*(hd + 1) != 0x92)) {
+ printf("Error : expected EPH marker\n");
+ } else {
+ hd += 2;
+ }
+ }
+
+ if (cp->ppm == 1) { /* PPM case */
+ cp->ppm_len += cp->ppm_data-hd;
+ cp->ppm_data = hd;
+ return (c - src);
+ }
+ if (tcp->ppt == 1) { /* PPT case */
+ tcp->ppt_len+=tcp->ppt_data-hd;
+ tcp->ppt_data = hd;
+ return (c - src);
+ }
+
+ return (hd - src);
+ }
+
+ for (bandno = 0; bandno < res->numbands; bandno++) {
+ opj_tcd_band_t *band = &res->bands[bandno];
+ opj_tcd_precinct_t *prc = &band->precincts[precno];
+
+ if ((band->x1-band->x0 == 0)||(band->y1-band->y0 == 0)) continue;
+
+ for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
+ int included, increment, n;
+ opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
+ opj_tcd_seg_t *seg = NULL;
+ /* if cblk not yet included before --> inclusion tagtree */
+ if (!cblk->numsegs) {
+ included = tgt_decode(bio, prc->incltree, cblkno, layno + 1);
+ /* else one bit */
+ } else {
+ included = bio_read(bio, 1);
+ }
+ /* if cblk not included */
+ if (!included) {
+ cblk->numnewpasses = 0;
+ continue;
+ }
+ /* if cblk not yet included --> zero-bitplane tagtree */
+ if (!cblk->numsegs) {
+ int i, numimsbs;
+ for (i = 0; !tgt_decode(bio, prc->imsbtree, cblkno, i); i++) {
+ ;
+ }
+ numimsbs = i - 1;
+ cblk->numbps = band->numbps - numimsbs;
+ cblk->numlenbits = 3;
+ }
+ /* number of coding passes */
+ cblk->numnewpasses = t2_getnumpasses(bio);
+ increment = t2_getcommacode(bio);
+ /* length indicator increment */
+ cblk->numlenbits += increment;
+ if (!cblk->numsegs) {
+ seg = &cblk->segs[0];
+ t2_init_seg(seg, tcp->tccps[compno].cblksty, 1);
+ } else {
+ seg = &cblk->segs[cblk->numsegs - 1];
+ if (seg->numpasses == seg->maxpasses) {
+ t2_init_seg(++seg, tcp->tccps[compno].cblksty, 0);
+ }
+ }
+ n = cblk->numnewpasses;
+
+ do {
+ seg->numnewpasses = int_min(seg->maxpasses - seg->numpasses, n);
+ seg->newlen = bio_read(bio, cblk->numlenbits + int_floorlog2(seg->numnewpasses));
+ n -= seg->numnewpasses;
+ if (n > 0) {
+ t2_init_seg(++seg, tcp->tccps[compno].cblksty, 0);
+ }
+ } while (n > 0);
+ }
+ }
+
+ if (bio_inalign(bio)) {
+ bio_destroy(bio);
+ return -999;
+ }
+
+ hd += bio_numbytes(bio);
+ bio_destroy(bio);
+
+ /* EPH markers */
+ if (tcp->csty & J2K_CP_CSTY_EPH) {
+ if ((*hd) != 0xff || (*(hd + 1) != 0x92)) {
+ opj_event_msg(t2->cinfo, EVT_ERROR, "Expected EPH marker\n");
+ } else {
+ hd += 2;
+ }
+ }
+
+ if (cp->ppm==1) {
+ cp->ppm_len+=cp->ppm_data-hd;
+ cp->ppm_data = hd;
+ } else if (tcp->ppt == 1) {
+ tcp->ppt_len+=tcp->ppt_data-hd;
+ tcp->ppt_data = hd;
+ } else {
+ c=hd;
+ }
+
+ for (bandno = 0; bandno < res->numbands; bandno++) {
+ opj_tcd_band_t *band = &res->bands[bandno];
+ opj_tcd_precinct_t *prc = &band->precincts[precno];
+
+ if ((band->x1-band->x0 == 0)||(band->y1-band->y0 == 0)) continue;
+
+ for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) {
+ opj_tcd_cblk_t *cblk = &prc->cblks[cblkno];
+ opj_tcd_seg_t *seg = NULL;
+ if (!cblk->numnewpasses)
+ continue;
+ if (!cblk->numsegs) {
+ seg = &cblk->segs[0];
+ cblk->numsegs++;
+ cblk->len = 0;
+ } else {
+ seg = &cblk->segs[cblk->numsegs - 1];
+ if (seg->numpasses == seg->maxpasses) {
+ seg++;
+ cblk->numsegs++;
+ }
+ }
+
+ do {
+ if (c + seg->newlen > src + len) {
+ return -999;
+ }
+
+ memcpy(cblk->data + cblk->len, c, seg->newlen);
+ if (seg->numpasses == 0) {
+ seg->data = cblk->data + cblk->len;
+ }
+ c += seg->newlen;
+ cblk->len += seg->newlen;
+ seg->len += seg->newlen;
+ seg->numpasses += seg->numnewpasses;
+ cblk->numnewpasses -= seg->numnewpasses;
+ if (cblk->numnewpasses > 0) {
+ seg++;
+ cblk->numsegs++;
+ }
+ } while (cblk->numnewpasses > 0);
+ }
+ }
+
+ return (c - src);
+}
+
+/* ----------------------------------------------------------------------- */
+
+int t2_encode_packets(opj_t2_t* t2, int tileno, opj_tcd_tile_t *tile, int maxlayers, unsigned char *dest, int len, opj_image_info_t *image_info) {
+ unsigned char *c = dest;
+ int e = 0;
+ opj_pi_iterator_t *pi = NULL;
+ int pino;
+
+ opj_image_t *image = t2->image;
+ opj_cp_t *cp = t2->cp;
+
+ /* create a packet iterator */
+ pi = pi_create(image, cp, tileno);
+ if(!pi) {
+ /* TODO: throw an error */
+ return -999;
+ }
+
+ if(image_info) {
+ image_info->num = 0;
+ }
+
+ for (pino = 0; pino <= cp->tcps[tileno].numpocs; pino++) {
+ while (pi_next(&pi[pino])) {
+ if (pi[pino].layno < maxlayers) {
+ e = t2_encode_packet(tile, &cp->tcps[tileno], &pi[pino], c, dest + len - c, image_info, tileno);
+ if (e == -999) {
+ break;
+ } else {
+ c += e;
+ }
+
+ /* INDEX >> */
+ if(image_info && image_info->index_on) {
+ if(image_info->index_write) {
+ opj_tile_info_t *info_TL = &image_info->tile[tileno];
+ opj_packet_info_t *info_PK = &info_TL->packet[image_info->num];
+ if (!image_info->num) {
+ info_PK->start_pos = info_TL->end_header + 1;
+ } else {
+ info_PK->start_pos = info_TL->packet[image_info->num - 1].end_pos + 1;
+ }
+ info_PK->end_pos = info_PK->start_pos + e - 1;
+ }
+
+ image_info->num++;
+ }
+ /* << INDEX */
+ }
+ }
+ }
+
+ /* don't forget to release pi */
+ pi_destroy(pi, cp, tileno);
+
+ if (e == -999) {
+ return e;
+ }
+
+ return (c - dest);
+}
+
+int t2_decode_packets(opj_t2_t *t2, unsigned char *src, int len, int tileno, opj_tcd_tile_t *tile) {
+ unsigned char *c = src;
+ opj_pi_iterator_t *pi;
+ int pino, e = 0;
+ int n = 0;
+
+ opj_image_t *image = t2->image;
+ opj_cp_t *cp = t2->cp;
+
+ /* create a packet iterator */
+ pi = pi_create(image, cp, tileno);
+ if(!pi) {
+ /* TODO: throw an error */
+ return -999;
+ }
+
+ for (pino = 0; pino <= cp->tcps[tileno].numpocs; pino++) {
+ while (pi_next(&pi[pino])) {
+ if ((cp->layer==0) || (cp->layer>=((pi[pino].layno)+1))) {
+ e = t2_decode_packet(t2, c, src + len - c, tile, &cp->tcps[tileno], &pi[pino]);
+ } else {
+ e = 0;
+ }
+
+ /* progression in resolution */
+ image->comps[pi[pino].compno].resno_decoded =
+ (e > 0) ?
+ int_max(pi[pino].resno, image->comps[pi[pino].compno].resno_decoded)
+ : image->comps[pi[pino].compno].resno_decoded;
+ n++;
+
+ if (e == -999) { /* ADD */
+ break;
+ } else {
+ c += e;
+ }
+ }
+ }
+
+ /* don't forget to release pi */
+ pi_destroy(pi, cp, tileno);
+
+ if (e == -999) {
+ return e;
+ }
+
+ return (c - src);
+}
+
+/* ----------------------------------------------------------------------- */
+
+opj_t2_t* t2_create(opj_common_ptr cinfo, opj_image_t *image, opj_cp_t *cp) {
+ /* create the tcd structure */
+ opj_t2_t *t2 = (opj_t2_t*)opj_malloc(sizeof(opj_t2_t));
+ if(!t2) return NULL;
+ t2->cinfo = cinfo;
+ t2->image = image;
+ t2->cp = cp;
+
+ return t2;
+}
+
+void t2_destroy(opj_t2_t *t2) {
+ if(t2) {
+ opj_free(t2);
+ }
+}
+
-/*\r
- * Copyright (c) 2001-2003, David Janssens\r
- * Copyright (c) 2002-2003, Yannick Verschueren\r
- * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe\r
- * Copyright (c) 2005, Hervé Drolon, FreeImage Team\r
- * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium\r
- * All rights reserved.\r
- *\r
- * Redistribution and use in source and binary forms, with or without\r
- * modification, are permitted provided that the following conditions\r
- * are met:\r
- * 1. Redistributions of source code must retain the above copyright\r
- * notice, this list of conditions and the following disclaimer.\r
- * 2. Redistributions in binary form must reproduce the above copyright\r
- * notice, this list of conditions and the following disclaimer in the\r
- * documentation and/or other materials provided with the distribution.\r
- *\r
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'\r
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE\r
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\r
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\r
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\r
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\r
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
- * POSSIBILITY OF SUCH DAMAGE.\r
- */\r
-#ifndef __T2_H\r
-#define __T2_H\r
-/**\r
-@file t2.h\r
-@brief Implementation of a tier-2 coding (packetization of code-block data) (T2)\r
-\r
-*/\r
-\r
-/** @defgroup T2 T2 - Implementation of a tier-2 coding */\r
-/*@{*/\r
-\r
-/**\r
-Tier-2 coding\r
-*/\r
-typedef struct opj_t2 {\r
- /** codec context */\r
- opj_common_ptr cinfo;\r
-\r
- /** Encoding: pointer to the src image. Decoding: pointer to the dst image. */\r
- opj_image_t *image;\r
- /** pointer to the image coding parameters */\r
- opj_cp_t *cp;\r
-} opj_t2_t;\r
-\r
-/** @name Exported functions */\r
-/*@{*/\r
-/* ----------------------------------------------------------------------- */\r
-\r
-/**\r
-Encode the packets of a tile to a destination buffer\r
-@param t2 T2 handle\r
-@param tileno number of the tile encoded\r
-@param tile the tile for which to write the packets\r
-@param maxlayers maximum number of layers\r
-@param dest the destination buffer\r
-@param len the length of the destination buffer\r
-@param image_info structure to create an index file\r
-*/\r
-int t2_encode_packets(opj_t2_t* t2, int tileno, opj_tcd_tile_t *tile, int maxlayers, unsigned char *dest, int len, opj_image_info_t *image_info);\r
-\r
-/**\r
-Decode the packets of a tile from a source buffer\r
-@param t2 T2 handle\r
-@param src the source buffer\r
-@param len length of the source buffer\r
-@param tileno number that identifies the tile for which to decode the packets\r
-@param tile tile for which to decode the packets\r
- */\r
-int t2_decode_packets(opj_t2_t *t2, unsigned char *src, int len, int tileno, opj_tcd_tile_t *tile);\r
-\r
-/**\r
-Create a T2 handle\r
-@param cinfo Codec context info\r
-@param image Source or destination image\r
-@param cp Image coding parameters\r
-@return Returns a new T2 handle if successful, returns NULL otherwise\r
-*/\r
-opj_t2_t* t2_create(opj_common_ptr cinfo, opj_image_t *image, opj_cp_t *cp);\r
-/**\r
-Destroy a T2 handle\r
-@param t2 T2 handle to destroy\r
-*/\r
-void t2_destroy(opj_t2_t *t2);\r
-\r
-/* ----------------------------------------------------------------------- */\r
-/*@}*/\r
-\r
-/*@}*/\r
-\r
-#endif /* __T2_H */\r
+/*
+ * Copyright (c) 2001-2003, David Janssens
+ * Copyright (c) 2002-2003, Yannick Verschueren
+ * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
+ * Copyright (c) 2005, Hervé Drolon, FreeImage Team
+ * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef __T2_H
+#define __T2_H
+/**
+@file t2.h
+@brief Implementation of a tier-2 coding (packetization of code-block data) (T2)
+
+*/
+
+/** @defgroup T2 T2 - Implementation of a tier-2 coding */
+/*@{*/
+
+/**
+Tier-2 coding
+*/
+typedef struct opj_t2 {
+ /** codec context */
+ opj_common_ptr cinfo;
+
+ /** Encoding: pointer to the src image. Decoding: pointer to the dst image. */
+ opj_image_t *image;
+ /** pointer to the image coding parameters */
+ opj_cp_t *cp;
+} opj_t2_t;
+
+/** @name Exported functions */
+/*@{*/
+/* ----------------------------------------------------------------------- */
+
+/**
+Encode the packets of a tile to a destination buffer
+@param t2 T2 handle
+@param tileno number of the tile encoded
+@param tile the tile for which to write the packets
+@param maxlayers maximum number of layers
+@param dest the destination buffer
+@param len the length of the destination buffer
+@param image_info structure to create an index file
+*/
+int t2_encode_packets(opj_t2_t* t2, int tileno, opj_tcd_tile_t *tile, int maxlayers, unsigned char *dest, int len, opj_image_info_t *image_info);
+
+/**
+Decode the packets of a tile from a source buffer
+@param t2 T2 handle
+@param src the source buffer
+@param len length of the source buffer
+@param tileno number that identifies the tile for which to decode the packets
+@param tile tile for which to decode the packets
+ */
+int t2_decode_packets(opj_t2_t *t2, unsigned char *src, int len, int tileno, opj_tcd_tile_t *tile);
+
+/**
+Create a T2 handle
+@param cinfo Codec context info
+@param image Source or destination image
+@param cp Image coding parameters
+@return Returns a new T2 handle if successful, returns NULL otherwise
+*/
+opj_t2_t* t2_create(opj_common_ptr cinfo, opj_image_t *image, opj_cp_t *cp);
+/**
+Destroy a T2 handle
+@param t2 T2 handle to destroy
+*/
+void t2_destroy(opj_t2_t *t2);
+
+/* ----------------------------------------------------------------------- */
+/*@}*/
+
+/*@}*/
+
+#endif /* __T2_H */
-/*\r
- * Copyright (c) 2001-2003, David Janssens\r
- * Copyright (c) 2002-2003, Yannick Verschueren\r
- * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe\r
- * Copyright (c) 2005, Hervé Drolon, FreeImage Team\r
- * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium\r
- * All rights reserved.\r
- *\r
- * Redistribution and use in source and binary forms, with or without\r
- * modification, are permitted provided that the following conditions\r
- * are met:\r
- * 1. Redistributions of source code must retain the above copyright\r
- * notice, this list of conditions and the following disclaimer.\r
- * 2. Redistributions in binary form must reproduce the above copyright\r
- * notice, this list of conditions and the following disclaimer in the\r
- * documentation and/or other materials provided with the distribution.\r
- *\r
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'\r
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE\r
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\r
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\r
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\r
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\r
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
- * POSSIBILITY OF SUCH DAMAGE.\r
- */\r
-#ifndef __TCD_H\r
-#define __TCD_H\r
-/**\r
-@file tcd.h\r
-@brief Implementation of a tile coder/decoder (TCD)\r
-\r
-The functions in TCD.C have for goal to encode or decode each tile independently from\r
-each other. The functions in TCD.C are used by some function in J2K.C.\r
-*/\r
-\r
-/** @defgroup TCD TCD - Implementation of a tile coder/decoder */\r
-/*@{*/\r
-\r
-/**\r
-FIXME: documentation\r
-*/\r
-typedef struct opj_tcd_seg {\r
- int numpasses;\r
- int len;\r
- unsigned char *data;\r
- int maxpasses;\r
- int numnewpasses;\r
- int newlen;\r
-} opj_tcd_seg_t;\r
-\r
-/**\r
-FIXME: documentation\r
-*/\r
-typedef struct opj_tcd_pass {\r
- int rate;\r
- double distortiondec;\r
- int term, len;\r
-} opj_tcd_pass_t;\r
-\r
-/**\r
-FIXME: documentation\r
-*/\r
-typedef struct opj_tcd_layer {\r
- int numpasses; /* Number of passes in the layer */\r
- int len; /* len of information */\r
- double disto; /* add for index (Cfr. Marcela) */\r
- unsigned char *data; /* data */\r
-} opj_tcd_layer_t;\r
-\r
-/**\r
-FIXME: documentation\r
-*/\r
-typedef struct opj_tcd_cblk {\r
- int x0, y0, x1, y1; /* dimension of the code-blocks : left upper corner (x0, y0) right low corner (x1,y1) */\r
- int numbps;\r
- int numlenbits;\r
- int len; /* length */\r
- int numpasses; /* number of pass already done for the code-blocks */\r
- int numnewpasses; /* number of pass added to the code-blocks */\r
- int numsegs; /* number of segments */\r
- opj_tcd_seg_t segs[100]; /* segments informations */\r
- unsigned char data[8192]; /* Data */\r
- int numpassesinlayers; /* number of passes in the layer */\r
- opj_tcd_layer_t layers[100]; /* layer information */\r
- int totalpasses; /* total number of passes */\r
- opj_tcd_pass_t passes[100]; /* information about the passes */\r
-} opj_tcd_cblk_t;\r
-\r
-/**\r
-FIXME: documentation\r
-*/\r
-typedef struct opj_tcd_precinct {\r
- int x0, y0, x1, y1; /* dimension of the precinct : left upper corner (x0, y0) right low corner (x1,y1) */\r
- int cw, ch; /* number of precinct in width and heigth */\r
- opj_tcd_cblk_t *cblks; /* code-blocks informations */\r
- opj_tgt_tree_t *incltree; /* inclusion tree */\r
- opj_tgt_tree_t *imsbtree; /* IMSB tree */\r
-} opj_tcd_precinct_t;\r
-\r
-/**\r
-FIXME: documentation\r
-*/\r
-typedef struct opj_tcd_band {\r
- int x0, y0, x1, y1; /* dimension of the subband : left upper corner (x0, y0) right low corner (x1,y1) */\r
- int bandno;\r
- opj_tcd_precinct_t *precincts; /* precinct information */\r
- int numbps;\r
- float stepsize;\r
-} opj_tcd_band_t;\r
-\r
-/**\r
-FIXME: documentation\r
-*/\r
-typedef struct opj_tcd_resolution {\r
- int x0, y0, x1, y1; /* dimension of the resolution level : left upper corner (x0, y0) right low corner (x1,y1) */\r
- int pw, ph;\r
- int numbands; /* number sub-band for the resolution level */\r
- opj_tcd_band_t bands[3]; /* subband information */\r
-} opj_tcd_resolution_t;\r
-\r
-/**\r
-FIXME: documentation\r
-*/\r
-typedef struct opj_tcd_tilecomp {\r
- int x0, y0, x1, y1; /* dimension of component : left upper corner (x0, y0) right low corner (x1,y1) */\r
- int numresolutions; /* number of resolutions level */\r
- opj_tcd_resolution_t *resolutions; /* resolutions information */\r
- int *data; /* data of the component */\r
- int nbpix; /* add fixed_quality */\r
-} opj_tcd_tilecomp_t;\r
-\r
-/**\r
-FIXME: documentation\r
-*/\r
-typedef struct opj_tcd_tile {\r
- int x0, y0, x1, y1; /* dimension of the tile : left upper corner (x0, y0) right low corner (x1,y1) */\r
- int numcomps; /* number of components in tile */\r
- opj_tcd_tilecomp_t *comps; /* Components information */\r
- int nbpix; /* add fixed_quality */\r
- double distotile; /* add fixed_quality */\r
- double distolayer[100]; /* add fixed_quality */\r
-} opj_tcd_tile_t;\r
-\r
-/**\r
-FIXME: documentation\r
-*/\r
-typedef struct opj_tcd_image {\r
- int tw, th; /* number of tiles in width and heigth */\r
- opj_tcd_tile_t *tiles; /* Tiles information */\r
-} opj_tcd_image_t;\r
-\r
-/**\r
-Tile coder/decoder\r
-*/\r
-typedef struct opj_tcd {\r
- /** codec context */\r
- opj_common_ptr cinfo;\r
-\r
- /** info on each image tile */\r
- opj_tcd_image_t *tcd_image;\r
- /** image */\r
- opj_image_t *image;\r
- /** coding parameters */\r
- opj_cp_t *cp;\r
- /** pointer to the current encoded/decoded tile */\r
- opj_tcd_tile_t *tcd_tile;\r
- /** coding/decoding parameters common to all tiles */\r
- opj_tcp_t *tcp;\r
- /** current encoded/decoded tile */\r
- int tcd_tileno;\r
- /**@name working variables */\r
- /*@{*/\r
- opj_tcd_tile_t *tile;\r
- opj_tcd_tilecomp_t *tilec;\r
- opj_tcd_resolution_t *res;\r
- opj_tcd_band_t *band;\r
- opj_tcd_precinct_t *prc;\r
- opj_tcd_cblk_t *cblk;\r
- /*@}*/\r
-} opj_tcd_t;\r
-\r
-/** @name Exported functions */\r
-/*@{*/\r
-/* ----------------------------------------------------------------------- */\r
-\r
-/**\r
-Dump the content of a tcd structure\r
-*/\r
-void tcd_dump(FILE *fd, opj_tcd_t *tcd, opj_tcd_image_t *img);\r
-/**\r
-Create a new TCD handle\r
-@param cinfo Codec context info\r
-@return Returns a new TCD handle if successful returns NULL otherwise\r
-*/\r
-opj_tcd_t* tcd_create(opj_common_ptr cinfo);\r
-/**\r
-Destroy a previously created TCD handle\r
-@param tcd TCD handle to destroy\r
-*/\r
-void tcd_destroy(opj_tcd_t *tcd);\r
-/**\r
-Initialize the tile coder (allocate the memory)\r
-@param tcd TCD handle\r
-@param image Raw image\r
-@param cp Coding parameters\r
-@param curtileno Number that identifies the tile that will be encoded\r
-*/\r
-void tcd_malloc_encode(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp, int curtileno);\r
-/**\r
-Free the memory allocated for encoding\r
-@param tcd TCD handle\r
-*/\r
-void tcd_free_encode(opj_tcd_t *tcd);\r
-/**\r
-Initialize the tile coder (reuses the memory allocated by tcd_malloc_encode)\r
-@param tcd TCD handle\r
-@param image Raw image\r
-@param cp Coding parameters\r
-@param curtileno Number that identifies the tile that will be encoded\r
-*/\r
-void tcd_init_encode(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp, int curtileno);\r
-/**\r
-Initialize the tile decoder\r
-@param tcd TCD handle\r
-@param image Raw image\r
-@param cp Coding parameters\r
-*/\r
-void tcd_malloc_decode(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp);\r
-void tcd_makelayer_fixed(opj_tcd_t *tcd, int layno, int final);\r
-void tcd_rateallocate_fixed(opj_tcd_t *tcd);\r
-void tcd_makelayer(opj_tcd_t *tcd, int layno, double thresh, int final);\r
-bool tcd_rateallocate(opj_tcd_t *tcd, unsigned char *dest, int len, opj_image_info_t * image_info);\r
-/**\r
-Encode a tile from the raw image into a buffer\r
-@param tcd TCD handle\r
-@param tileno Number that identifies one of the tiles to be encoded\r
-@param dest Destination buffer\r
-@param len Length of destination buffer\r
-@param image_info Creation of index file\r
-@return \r
-*/\r
-int tcd_encode_tile(opj_tcd_t *tcd, int tileno, unsigned char *dest, int len, opj_image_info_t * image_info);\r
-/**\r
-Decode a tile from a buffer into a raw image\r
-@param tcd TCD handle\r
-@param src Source buffer\r
-@param len Length of source buffer\r
-@param tileno Number that identifies one of the tiles to be decoded\r
-*/\r
-bool tcd_decode_tile(opj_tcd_t *tcd, unsigned char *src, int len, int tileno);\r
-/**\r
-Free the memory allocated for decoding\r
-@param tcd TCD handle\r
-*/\r
-void tcd_free_decode(opj_tcd_t *tcd);\r
-\r
-/* ----------------------------------------------------------------------- */\r
-/*@}*/\r
-\r
-/*@}*/\r
-\r
-#endif /* __TCD_H */\r
+/*
+ * Copyright (c) 2001-2003, David Janssens
+ * Copyright (c) 2002-2003, Yannick Verschueren
+ * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
+ * Copyright (c) 2005, Hervé Drolon, FreeImage Team
+ * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef __TCD_H
+#define __TCD_H
+/**
+@file tcd.h
+@brief Implementation of a tile coder/decoder (TCD)
+
+The functions in TCD.C have for goal to encode or decode each tile independently from
+each other. The functions in TCD.C are used by some function in J2K.C.
+*/
+
+/** @defgroup TCD TCD - Implementation of a tile coder/decoder */
+/*@{*/
+
+/**
+FIXME: documentation
+*/
+typedef struct opj_tcd_seg {
+ int numpasses;
+ int len;
+ unsigned char *data;
+ int maxpasses;
+ int numnewpasses;
+ int newlen;
+} opj_tcd_seg_t;
+
+/**
+FIXME: documentation
+*/
+typedef struct opj_tcd_pass {
+ int rate;
+ double distortiondec;
+ int term, len;
+} opj_tcd_pass_t;
+
+/**
+FIXME: documentation
+*/
+typedef struct opj_tcd_layer {
+ int numpasses; /* Number of passes in the layer */
+ int len; /* len of information */
+ double disto; /* add for index (Cfr. Marcela) */
+ unsigned char *data; /* data */
+} opj_tcd_layer_t;
+
+/**
+FIXME: documentation
+*/
+typedef struct opj_tcd_cblk {
+ int x0, y0, x1, y1; /* dimension of the code-blocks : left upper corner (x0, y0) right low corner (x1,y1) */
+ int numbps;
+ int numlenbits;
+ int len; /* length */
+ int numpasses; /* number of pass already done for the code-blocks */
+ int numnewpasses; /* number of pass added to the code-blocks */
+ int numsegs; /* number of segments */
+ opj_tcd_seg_t segs[100]; /* segments informations */
+ unsigned char data[8192]; /* Data */
+ int numpassesinlayers; /* number of passes in the layer */
+ opj_tcd_layer_t layers[100]; /* layer information */
+ int totalpasses; /* total number of passes */
+ opj_tcd_pass_t passes[100]; /* information about the passes */
+} opj_tcd_cblk_t;
+
+/**
+FIXME: documentation
+*/
+typedef struct opj_tcd_precinct {
+ int x0, y0, x1, y1; /* dimension of the precinct : left upper corner (x0, y0) right low corner (x1,y1) */
+ int cw, ch; /* number of precinct in width and heigth */
+ opj_tcd_cblk_t *cblks; /* code-blocks informations */
+ opj_tgt_tree_t *incltree; /* inclusion tree */
+ opj_tgt_tree_t *imsbtree; /* IMSB tree */
+} opj_tcd_precinct_t;
+
+/**
+FIXME: documentation
+*/
+typedef struct opj_tcd_band {
+ int x0, y0, x1, y1; /* dimension of the subband : left upper corner (x0, y0) right low corner (x1,y1) */
+ int bandno;
+ opj_tcd_precinct_t *precincts; /* precinct information */
+ int numbps;
+ float stepsize;
+} opj_tcd_band_t;
+
+/**
+FIXME: documentation
+*/
+typedef struct opj_tcd_resolution {
+ int x0, y0, x1, y1; /* dimension of the resolution level : left upper corner (x0, y0) right low corner (x1,y1) */
+ int pw, ph;
+ int numbands; /* number sub-band for the resolution level */
+ opj_tcd_band_t bands[3]; /* subband information */
+} opj_tcd_resolution_t;
+
+/**
+FIXME: documentation
+*/
+typedef struct opj_tcd_tilecomp {
+ int x0, y0, x1, y1; /* dimension of component : left upper corner (x0, y0) right low corner (x1,y1) */
+ int numresolutions; /* number of resolutions level */
+ opj_tcd_resolution_t *resolutions; /* resolutions information */
+ int *data; /* data of the component */
+ int nbpix; /* add fixed_quality */
+} opj_tcd_tilecomp_t;
+
+/**
+FIXME: documentation
+*/
+typedef struct opj_tcd_tile {
+ int x0, y0, x1, y1; /* dimension of the tile : left upper corner (x0, y0) right low corner (x1,y1) */
+ int numcomps; /* number of components in tile */
+ opj_tcd_tilecomp_t *comps; /* Components information */
+ int nbpix; /* add fixed_quality */
+ double distotile; /* add fixed_quality */
+ double distolayer[100]; /* add fixed_quality */
+} opj_tcd_tile_t;
+
+/**
+FIXME: documentation
+*/
+typedef struct opj_tcd_image {
+ int tw, th; /* number of tiles in width and heigth */
+ opj_tcd_tile_t *tiles; /* Tiles information */
+} opj_tcd_image_t;
+
+/**
+Tile coder/decoder
+*/
+typedef struct opj_tcd {
+ /** codec context */
+ opj_common_ptr cinfo;
+
+ /** info on each image tile */
+ opj_tcd_image_t *tcd_image;
+ /** image */
+ opj_image_t *image;
+ /** coding parameters */
+ opj_cp_t *cp;
+ /** pointer to the current encoded/decoded tile */
+ opj_tcd_tile_t *tcd_tile;
+ /** coding/decoding parameters common to all tiles */
+ opj_tcp_t *tcp;
+ /** current encoded/decoded tile */
+ int tcd_tileno;
+ /**@name working variables */
+ /*@{*/
+ opj_tcd_tile_t *tile;
+ opj_tcd_tilecomp_t *tilec;
+ opj_tcd_resolution_t *res;
+ opj_tcd_band_t *band;
+ opj_tcd_precinct_t *prc;
+ opj_tcd_cblk_t *cblk;
+ /*@}*/
+} opj_tcd_t;
+
+/** @name Exported functions */
+/*@{*/
+/* ----------------------------------------------------------------------- */
+
+/**
+Dump the content of a tcd structure
+*/
+void tcd_dump(FILE *fd, opj_tcd_t *tcd, opj_tcd_image_t *img);
+/**
+Create a new TCD handle
+@param cinfo Codec context info
+@return Returns a new TCD handle if successful returns NULL otherwise
+*/
+opj_tcd_t* tcd_create(opj_common_ptr cinfo);
+/**
+Destroy a previously created TCD handle
+@param tcd TCD handle to destroy
+*/
+void tcd_destroy(opj_tcd_t *tcd);
+/**
+Initialize the tile coder (allocate the memory)
+@param tcd TCD handle
+@param image Raw image
+@param cp Coding parameters
+@param curtileno Number that identifies the tile that will be encoded
+*/
+void tcd_malloc_encode(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp, int curtileno);
+/**
+Free the memory allocated for encoding
+@param tcd TCD handle
+*/
+void tcd_free_encode(opj_tcd_t *tcd);
+/**
+Initialize the tile coder (reuses the memory allocated by tcd_malloc_encode)
+@param tcd TCD handle
+@param image Raw image
+@param cp Coding parameters
+@param curtileno Number that identifies the tile that will be encoded
+*/
+void tcd_init_encode(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp, int curtileno);
+/**
+Initialize the tile decoder
+@param tcd TCD handle
+@param image Raw image
+@param cp Coding parameters
+*/
+void tcd_malloc_decode(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp);
+void tcd_makelayer_fixed(opj_tcd_t *tcd, int layno, int final);
+void tcd_rateallocate_fixed(opj_tcd_t *tcd);
+void tcd_makelayer(opj_tcd_t *tcd, int layno, double thresh, int final);
+bool tcd_rateallocate(opj_tcd_t *tcd, unsigned char *dest, int len, opj_image_info_t * image_info);
+/**
+Encode a tile from the raw image into a buffer
+@param tcd TCD handle
+@param tileno Number that identifies one of the tiles to be encoded
+@param dest Destination buffer
+@param len Length of destination buffer
+@param image_info Creation of index file
+@return
+*/
+int tcd_encode_tile(opj_tcd_t *tcd, int tileno, unsigned char *dest, int len, opj_image_info_t * image_info);
+/**
+Decode a tile from a buffer into a raw image
+@param tcd TCD handle
+@param src Source buffer
+@param len Length of source buffer
+@param tileno Number that identifies one of the tiles to be decoded
+*/
+bool tcd_decode_tile(opj_tcd_t *tcd, unsigned char *src, int len, int tileno);
+/**
+Free the memory allocated for decoding
+@param tcd TCD handle
+*/
+void tcd_free_decode(opj_tcd_t *tcd);
+
+/* ----------------------------------------------------------------------- */
+/*@}*/
+
+/*@}*/
+
+#endif /* __TCD_H */
-/*\r
- * Copyright (c) 2001-2003, David Janssens\r
- * Copyright (c) 2002-2003, Yannick Verschueren\r
- * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe\r
- * Copyright (c) 2005, Hervé Drolon, FreeImage Team\r
- * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium\r
- * All rights reserved.\r
- *\r
- * Redistribution and use in source and binary forms, with or without\r
- * modification, are permitted provided that the following conditions\r
- * are met:\r
- * 1. Redistributions of source code must retain the above copyright\r
- * notice, this list of conditions and the following disclaimer.\r
- * 2. Redistributions in binary form must reproduce the above copyright\r
- * notice, this list of conditions and the following disclaimer in the\r
- * documentation and/or other materials provided with the distribution.\r
- *\r
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'\r
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE\r
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\r
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\r
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\r
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\r
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
- * POSSIBILITY OF SUCH DAMAGE.\r
- */\r
-\r
-#include "opj_includes.h"\r
-\r
-/* \r
-==========================================================\r
- Tag-tree coder interface\r
-==========================================================\r
-*/\r
-\r
-opj_tgt_tree_t *tgt_create(int numleafsh, int numleafsv) {\r
- int nplh[32];\r
- int nplv[32];\r
- opj_tgt_node_t *node = NULL;\r
- opj_tgt_node_t *parentnode = NULL;\r
- opj_tgt_node_t *parentnode0 = NULL;\r
- opj_tgt_tree_t *tree = NULL;\r
- int i, j, k;\r
- int numlvls;\r
- int n;\r
-\r
- tree = (opj_tgt_tree_t *) opj_malloc(sizeof(opj_tgt_tree_t));\r
- if(!tree) return NULL;\r
- tree->numleafsh = numleafsh;\r
- tree->numleafsv = numleafsv;\r
-\r
- numlvls = 0;\r
- nplh[0] = numleafsh;\r
- nplv[0] = numleafsv;\r
- tree->numnodes = 0;\r
- do {\r
- n = nplh[numlvls] * nplv[numlvls];\r
- nplh[numlvls + 1] = (nplh[numlvls] + 1) / 2;\r
- nplv[numlvls + 1] = (nplv[numlvls] + 1) / 2;\r
- tree->numnodes += n;\r
- ++numlvls;\r
- } while (n > 1);\r
- \r
- /* ADD */\r
- if (tree->numnodes == 0) {\r
- opj_free(tree);\r
- return NULL;\r
- }\r
-\r
- tree->nodes = (opj_tgt_node_t *) opj_malloc(tree->numnodes * sizeof(opj_tgt_node_t));\r
- if(!tree->nodes) {\r
- opj_free(tree);\r
- return NULL;\r
- }\r
-\r
- node = tree->nodes;\r
- parentnode = &tree->nodes[tree->numleafsh * tree->numleafsv];\r
- parentnode0 = parentnode;\r
- \r
- for (i = 0; i < numlvls - 1; ++i) {\r
- for (j = 0; j < nplv[i]; ++j) {\r
- k = nplh[i];\r
- while (--k >= 0) {\r
- node->parent = parentnode;\r
- ++node;\r
- if (--k >= 0) {\r
- node->parent = parentnode;\r
- ++node;\r
- }\r
- ++parentnode;\r
- }\r
- if ((j & 1) || j == nplv[i] - 1) {\r
- parentnode0 = parentnode;\r
- } else {\r
- parentnode = parentnode0;\r
- parentnode0 += nplh[i];\r
- }\r
- }\r
- }\r
- node->parent = 0;\r
- \r
- tgt_reset(tree);\r
- \r
- return tree;\r
-}\r
-\r
-void tgt_destroy(opj_tgt_tree_t *tree) {\r
- opj_free(tree->nodes);\r
- opj_free(tree);\r
-}\r
-\r
-void tgt_reset(opj_tgt_tree_t *tree) {\r
- int i;\r
-\r
- if (NULL == tree)\r
- return;\r
- \r
- for (i = 0; i < tree->numnodes; i++) {\r
- tree->nodes[i].value = 999;\r
- tree->nodes[i].low = 0;\r
- tree->nodes[i].known = 0;\r
- }\r
-}\r
-\r
-void tgt_setvalue(opj_tgt_tree_t *tree, int leafno, int value) {\r
- opj_tgt_node_t *node;\r
- node = &tree->nodes[leafno];\r
- while (node && node->value > value) {\r
- node->value = value;\r
- node = node->parent;\r
- }\r
-}\r
-\r
-void tgt_encode(opj_bio_t *bio, opj_tgt_tree_t *tree, int leafno, int threshold) {\r
- opj_tgt_node_t *stk[31];\r
- opj_tgt_node_t **stkptr;\r
- opj_tgt_node_t *node;\r
- int low;\r
-\r
- stkptr = stk;\r
- node = &tree->nodes[leafno];\r
- while (node->parent) {\r
- *stkptr++ = node;\r
- node = node->parent;\r
- }\r
- \r
- low = 0;\r
- for (;;) {\r
- if (low > node->low) {\r
- node->low = low;\r
- } else {\r
- low = node->low;\r
- }\r
- \r
- while (low < threshold) {\r
- if (low >= node->value) {\r
- if (!node->known) {\r
- bio_write(bio, 1, 1);\r
- node->known = 1;\r
- }\r
- break;\r
- }\r
- bio_write(bio, 0, 1);\r
- ++low;\r
- }\r
- \r
- node->low = low;\r
- if (stkptr == stk)\r
- break;\r
- node = *--stkptr;\r
- }\r
-}\r
-\r
-int tgt_decode(opj_bio_t *bio, opj_tgt_tree_t *tree, int leafno, int threshold) {\r
- opj_tgt_node_t *stk[31];\r
- opj_tgt_node_t **stkptr;\r
- opj_tgt_node_t *node;\r
- int low;\r
-\r
- stkptr = stk;\r
- node = &tree->nodes[leafno];\r
- while (node->parent) {\r
- *stkptr++ = node;\r
- node = node->parent;\r
- }\r
- \r
- low = 0;\r
- for (;;) {\r
- if (low > node->low) {\r
- node->low = low;\r
- } else {\r
- low = node->low;\r
- }\r
- while (low < threshold && low < node->value) {\r
- if (bio_read(bio, 1)) {\r
- node->value = low;\r
- } else {\r
- ++low;\r
- }\r
- }\r
- node->low = low;\r
- if (stkptr == stk) {\r
- break;\r
- }\r
- node = *--stkptr;\r
- }\r
- \r
- return (node->value < threshold) ? 1 : 0;\r
-}\r
+/*
+ * Copyright (c) 2001-2003, David Janssens
+ * Copyright (c) 2002-2003, Yannick Verschueren
+ * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
+ * Copyright (c) 2005, Hervé Drolon, FreeImage Team
+ * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "opj_includes.h"
+
+/*
+==========================================================
+ Tag-tree coder interface
+==========================================================
+*/
+
+opj_tgt_tree_t *tgt_create(int numleafsh, int numleafsv) {
+ int nplh[32];
+ int nplv[32];
+ opj_tgt_node_t *node = NULL;
+ opj_tgt_node_t *parentnode = NULL;
+ opj_tgt_node_t *parentnode0 = NULL;
+ opj_tgt_tree_t *tree = NULL;
+ int i, j, k;
+ int numlvls;
+ int n;
+
+ tree = (opj_tgt_tree_t *) opj_malloc(sizeof(opj_tgt_tree_t));
+ if(!tree) return NULL;
+ tree->numleafsh = numleafsh;
+ tree->numleafsv = numleafsv;
+
+ numlvls = 0;
+ nplh[0] = numleafsh;
+ nplv[0] = numleafsv;
+ tree->numnodes = 0;
+ do {
+ n = nplh[numlvls] * nplv[numlvls];
+ nplh[numlvls + 1] = (nplh[numlvls] + 1) / 2;
+ nplv[numlvls + 1] = (nplv[numlvls] + 1) / 2;
+ tree->numnodes += n;
+ ++numlvls;
+ } while (n > 1);
+
+ /* ADD */
+ if (tree->numnodes == 0) {
+ opj_free(tree);
+ return NULL;
+ }
+
+ tree->nodes = (opj_tgt_node_t *) opj_malloc(tree->numnodes * sizeof(opj_tgt_node_t));
+ if(!tree->nodes) {
+ opj_free(tree);
+ return NULL;
+ }
+
+ node = tree->nodes;
+ parentnode = &tree->nodes[tree->numleafsh * tree->numleafsv];
+ parentnode0 = parentnode;
+
+ for (i = 0; i < numlvls - 1; ++i) {
+ for (j = 0; j < nplv[i]; ++j) {
+ k = nplh[i];
+ while (--k >= 0) {
+ node->parent = parentnode;
+ ++node;
+ if (--k >= 0) {
+ node->parent = parentnode;
+ ++node;
+ }
+ ++parentnode;
+ }
+ if ((j & 1) || j == nplv[i] - 1) {
+ parentnode0 = parentnode;
+ } else {
+ parentnode = parentnode0;
+ parentnode0 += nplh[i];
+ }
+ }
+ }
+ node->parent = 0;
+
+ tgt_reset(tree);
+
+ return tree;
+}
+
+void tgt_destroy(opj_tgt_tree_t *tree) {
+ opj_free(tree->nodes);
+ opj_free(tree);
+}
+
+void tgt_reset(opj_tgt_tree_t *tree) {
+ int i;
+
+ if (NULL == tree)
+ return;
+
+ for (i = 0; i < tree->numnodes; i++) {
+ tree->nodes[i].value = 999;
+ tree->nodes[i].low = 0;
+ tree->nodes[i].known = 0;
+ }
+}
+
+void tgt_setvalue(opj_tgt_tree_t *tree, int leafno, int value) {
+ opj_tgt_node_t *node;
+ node = &tree->nodes[leafno];
+ while (node && node->value > value) {
+ node->value = value;
+ node = node->parent;
+ }
+}
+
+void tgt_encode(opj_bio_t *bio, opj_tgt_tree_t *tree, int leafno, int threshold) {
+ opj_tgt_node_t *stk[31];
+ opj_tgt_node_t **stkptr;
+ opj_tgt_node_t *node;
+ int low;
+
+ stkptr = stk;
+ node = &tree->nodes[leafno];
+ while (node->parent) {
+ *stkptr++ = node;
+ node = node->parent;
+ }
+
+ low = 0;
+ for (;;) {
+ if (low > node->low) {
+ node->low = low;
+ } else {
+ low = node->low;
+ }
+
+ while (low < threshold) {
+ if (low >= node->value) {
+ if (!node->known) {
+ bio_write(bio, 1, 1);
+ node->known = 1;
+ }
+ break;
+ }
+ bio_write(bio, 0, 1);
+ ++low;
+ }
+
+ node->low = low;
+ if (stkptr == stk)
+ break;
+ node = *--stkptr;
+ }
+}
+
+int tgt_decode(opj_bio_t *bio, opj_tgt_tree_t *tree, int leafno, int threshold) {
+ opj_tgt_node_t *stk[31];
+ opj_tgt_node_t **stkptr;
+ opj_tgt_node_t *node;
+ int low;
+
+ stkptr = stk;
+ node = &tree->nodes[leafno];
+ while (node->parent) {
+ *stkptr++ = node;
+ node = node->parent;
+ }
+
+ low = 0;
+ for (;;) {
+ if (low > node->low) {
+ node->low = low;
+ } else {
+ low = node->low;
+ }
+ while (low < threshold && low < node->value) {
+ if (bio_read(bio, 1)) {
+ node->value = low;
+ } else {
+ ++low;
+ }
+ }
+ node->low = low;
+ if (stkptr == stk) {
+ break;
+ }
+ node = *--stkptr;
+ }
+
+ return (node->value < threshold) ? 1 : 0;
+}
-/*\r
- * Copyright (c) 2001-2003, David Janssens\r
- * Copyright (c) 2002-2003, Yannick Verschueren\r
- * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe\r
- * Copyright (c) 2005, Hervé Drolon, FreeImage Team\r
- * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium\r
- * All rights reserved.\r
- *\r
- * Redistribution and use in source and binary forms, with or without\r
- * modification, are permitted provided that the following conditions\r
- * are met:\r
- * 1. Redistributions of source code must retain the above copyright\r
- * notice, this list of conditions and the following disclaimer.\r
- * 2. Redistributions in binary form must reproduce the above copyright\r
- * notice, this list of conditions and the following disclaimer in the\r
- * documentation and/or other materials provided with the distribution.\r
- *\r
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'\r
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE\r
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\r
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\r
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\r
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\r
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
- * POSSIBILITY OF SUCH DAMAGE.\r
- */\r
-\r
-#ifndef __TGT_H\r
-#define __TGT_H\r
-/**\r
-@file tgt.h\r
-@brief Implementation of a tag-tree coder (TGT)\r
-\r
-The functions in TGT.C have for goal to realize a tag-tree coder. The functions in TGT.C\r
-are used by some function in T2.C.\r
-*/\r
-\r
-/** @defgroup TGT TGT - Implementation of a tag-tree coder */\r
-/*@{*/\r
-\r
-/**\r
-Tag node\r
-*/\r
-typedef struct opj_tgt_node {\r
- struct opj_tgt_node *parent;\r
- int value;\r
- int low;\r
- int known;\r
-} opj_tgt_node_t;\r
-\r
-/**\r
-Tag tree\r
-*/\r
-typedef struct opj_tgt_tree {\r
- int numleafsh;\r
- int numleafsv;\r
- int numnodes;\r
- opj_tgt_node_t *nodes;\r
-} opj_tgt_tree_t;\r
-\r
-/** @name Exported functions */\r
-/*@{*/\r
-/* ----------------------------------------------------------------------- */\r
-/**\r
-Create a tag-tree\r
-@param numleafsh Width of the array of leafs of the tree\r
-@param numleafsv Height of the array of leafs of the tree\r
-@return Returns a new tag-tree if successful, returns NULL otherwise\r
-*/\r
-opj_tgt_tree_t *tgt_create(int numleafsh, int numleafsv);\r
-/**\r
-Destroy a tag-tree, liberating memory\r
-@param tree Tag-tree to destroy\r
-*/\r
-void tgt_destroy(opj_tgt_tree_t *tree);\r
-/**\r
-Reset a tag-tree (set all leaves to 0)\r
-@param tree Tag-tree to reset\r
-*/\r
-void tgt_reset(opj_tgt_tree_t *tree);\r
-/**\r
-Set the value of a leaf of a tag-tree\r
-@param tree Tag-tree to modify\r
-@param leafno Number that identifies the leaf to modify\r
-@param value New value of the leaf\r
-*/\r
-void tgt_setvalue(opj_tgt_tree_t *tree, int leafno, int value);\r
-/**\r
-Encode the value of a leaf of the tag-tree up to a given threshold\r
-@param bio Pointer to a BIO handle\r
-@param tree Tag-tree to modify\r
-@param leafno Number that identifies the leaf to encode\r
-@param threshold Threshold to use when encoding value of the leaf\r
-*/\r
-void tgt_encode(opj_bio_t *bio, opj_tgt_tree_t *tree, int leafno, int threshold);\r
-/**\r
-Decode the value of a leaf of the tag-tree up to a given threshold\r
-@param bio Pointer to a BIO handle\r
-@param tree Tag-tree to decode\r
-@param leafno Number that identifies the leaf to decode\r
-@param threshold Threshold to use when decoding value of the leaf\r
-@return Returns 1 if the node's value < threshold, returns 0 otherwise\r
-*/\r
-int tgt_decode(opj_bio_t *bio, opj_tgt_tree_t *tree, int leafno, int threshold);\r
-/* ----------------------------------------------------------------------- */\r
-/*@}*/\r
-\r
-/*@}*/\r
-\r
-#endif /* __TGT_H */\r
+/*
+ * Copyright (c) 2001-2003, David Janssens
+ * Copyright (c) 2002-2003, Yannick Verschueren
+ * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
+ * Copyright (c) 2005, Hervé Drolon, FreeImage Team
+ * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __TGT_H
+#define __TGT_H
+/**
+@file tgt.h
+@brief Implementation of a tag-tree coder (TGT)
+
+The functions in TGT.C have for goal to realize a tag-tree coder. The functions in TGT.C
+are used by some function in T2.C.
+*/
+
+/** @defgroup TGT TGT - Implementation of a tag-tree coder */
+/*@{*/
+
+/**
+Tag node
+*/
+typedef struct opj_tgt_node {
+ struct opj_tgt_node *parent;
+ int value;
+ int low;
+ int known;
+} opj_tgt_node_t;
+
+/**
+Tag tree
+*/
+typedef struct opj_tgt_tree {
+ int numleafsh;
+ int numleafsv;
+ int numnodes;
+ opj_tgt_node_t *nodes;
+} opj_tgt_tree_t;
+
+/** @name Exported functions */
+/*@{*/
+/* ----------------------------------------------------------------------- */
+/**
+Create a tag-tree
+@param numleafsh Width of the array of leafs of the tree
+@param numleafsv Height of the array of leafs of the tree
+@return Returns a new tag-tree if successful, returns NULL otherwise
+*/
+opj_tgt_tree_t *tgt_create(int numleafsh, int numleafsv);
+/**
+Destroy a tag-tree, liberating memory
+@param tree Tag-tree to destroy
+*/
+void tgt_destroy(opj_tgt_tree_t *tree);
+/**
+Reset a tag-tree (set all leaves to 0)
+@param tree Tag-tree to reset
+*/
+void tgt_reset(opj_tgt_tree_t *tree);
+/**
+Set the value of a leaf of a tag-tree
+@param tree Tag-tree to modify
+@param leafno Number that identifies the leaf to modify
+@param value New value of the leaf
+*/
+void tgt_setvalue(opj_tgt_tree_t *tree, int leafno, int value);
+/**
+Encode the value of a leaf of the tag-tree up to a given threshold
+@param bio Pointer to a BIO handle
+@param tree Tag-tree to modify
+@param leafno Number that identifies the leaf to encode
+@param threshold Threshold to use when encoding value of the leaf
+*/
+void tgt_encode(opj_bio_t *bio, opj_tgt_tree_t *tree, int leafno, int threshold);
+/**
+Decode the value of a leaf of the tag-tree up to a given threshold
+@param bio Pointer to a BIO handle
+@param tree Tag-tree to decode
+@param leafno Number that identifies the leaf to decode
+@param threshold Threshold to use when decoding value of the leaf
+@return Returns 1 if the node's value < threshold, returns 0 otherwise
+*/
+int tgt_decode(opj_bio_t *bio, opj_tgt_tree_t *tree, int leafno, int threshold);
+/* ----------------------------------------------------------------------- */
+/*@}*/
+
+/*@}*/
+
+#endif /* __TGT_H */
projects / gdcm.git / commitdiff