2 * Copyright (c) 2001-2003, David Janssens
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3 * Copyright (c) 2002-2003, Yannick Verschueren
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4 * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
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5 * Copyright (c) 2005, Hervé Drolon, FreeImage Team
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6 * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
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7 * All rights reserved.
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9 * Redistribution and use in source and binary forms, with or without
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10 * modification, are permitted provided that the following conditions
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12 * 1. Redistributions of source code must retain the above copyright
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13 * notice, this list of conditions and the following disclaimer.
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14 * 2. Redistributions in binary form must reproduce the above copyright
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15 * notice, this list of conditions and the following disclaimer in the
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16 * documentation and/or other materials provided with the distribution.
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18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
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19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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28 * POSSIBILITY OF SUCH DAMAGE.
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34 #include "openjpeg.h"
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35 #include "compat/getopt.h"
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36 #include "convert.h"
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39 #define stricmp strcasecmp
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40 #define strnicmp strncasecmp
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43 /* ----------------------------------------------------------------------- */
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54 /* ----------------------------------------------------------------------- */
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56 void decode_help_display() {
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57 fprintf(stdout,"HELP\n----\n\n");
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58 fprintf(stdout,"- the -h option displays this help information on screen\n\n");
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60 fprintf(stdout,"List of parameters for the JPEG 2000 encoder:\n");
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61 fprintf(stdout,"\n");
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62 fprintf(stdout," -i <compressed file>\n");
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63 fprintf(stdout," REQUIRED\n");
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64 fprintf(stdout," Currently accepts J2K-files, JP2-files and JPT-files. The file type\n");
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65 fprintf(stdout," is identified based on its suffix.\n");
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66 fprintf(stdout," -o <decompressed file>\n");
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67 fprintf(stdout," REQUIRED\n");
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68 fprintf(stdout," Currently accepts PGM-files, PPM-files, PNM-files, PGX-files and\n");
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69 fprintf(stdout," BMP-files. Binary data is written to the file (not ascii). If a PGX\n");
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70 fprintf(stdout," filename is given, there will be as many output files as there are\n");
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71 fprintf(stdout," components: an indice starting from 0 will then be appended to the\n");
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72 fprintf(stdout," output filename, just before the \"pgx\" extension. If a PGM filename\n");
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73 fprintf(stdout," is given and there are more than one component, only the first component\n");
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74 fprintf(stdout," will be written to the file.\n");
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75 fprintf(stdout," -r <reduce factor>\n");
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76 fprintf(stdout," Set the number of highest resolution levels to be discarded. The\n");
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77 fprintf(stdout," image resolution is effectively divided by 2 to the power of the\n");
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78 fprintf(stdout," number of discarded levels. The reduce factor is limited by the\n");
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79 fprintf(stdout," smallest total number of decomposition levels among tiles.\n");
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80 fprintf(stdout," -l <number of quality layers to decode>\n");
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81 fprintf(stdout," Set the maximum number of quality layers to decode. If there are\n");
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82 fprintf(stdout," less quality layers than the specified number, all the quality layers\n");
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83 fprintf(stdout," are decoded.\n");
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84 fprintf(stdout,"\n");
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87 /* -------------------------------------------------------------------------- */
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89 int get_file_format(char *filename) {
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91 static const char *extension[] = {"pgx", "pnm", "pgm", "ppm", "bmp", "j2k", "jp2", "jpt" };
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92 static const int format[] = { PGX_DFMT, PXM_DFMT, PXM_DFMT, PXM_DFMT, BMP_DFMT, J2K_CFMT, JP2_CFMT, JPT_CFMT };
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93 char * ext = strrchr(filename, '.') + 1;
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95 for(i = 0; i < sizeof(format); i++) {
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96 if(strnicmp(ext, extension[i], 3) == 0) {
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105 /* -------------------------------------------------------------------------- */
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107 int parse_cmdline_decoder(int argc, char **argv, opj_dparameters_t *parameters) {
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108 /* parse the command line */
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111 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");
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115 case 'i': /* input file */
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117 char *infile = optarg;
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118 parameters->decod_format = get_file_format(infile);
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119 switch(parameters->decod_format) {
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126 "!! Unrecognized format for infile : %s [accept only *.j2k, *.jp2, *.jpc or *.jpt] !!\n\n",
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131 strncpy(parameters->infile, infile, MAX_PATH);
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135 /* ----------------------------------------------------- */
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137 case 'o': /* output file */
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139 char *outfile = optarg;
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140 parameters->cod_format = get_file_format(outfile);
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141 switch(parameters->cod_format) {
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147 fprintf(stderr, "Unknown output format image %s [only *.pnm, *.pgm, *.ppm, *.pgx or *.bmp]!! \n", outfile);
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151 strncpy(parameters->outfile, outfile, MAX_PATH);
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155 /* ----------------------------------------------------- */
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158 case 'r': /* reduce option */
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160 sscanf(optarg, "%d", ¶meters->cp_reduce);
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164 /* ----------------------------------------------------- */
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167 case 'l': /* layering option */
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169 sscanf(optarg, "%d", ¶meters->cp_layer);
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173 /* ----------------------------------------------------- */
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175 case 'h': /* display an help description */
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177 decode_help_display();
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182 /* ----------------------------------------------------- */
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185 fprintf(stderr,"WARNING -> this option is not valid \"-%c %s\"\n",c, optarg);
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190 /* check for possible errors */
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192 if((parameters->infile[0] == 0) || (parameters->outfile[0] == 0)) {
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193 fprintf(stderr,"ERROR -> At least one required argument is missing\nCheck j2k_to_image -h for usage information\n");
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200 /* -------------------------------------------------------------------------- */
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203 sample error callback expecting a FILE* client object
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205 void error_callback(const char *msg, void *client_data) {
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206 FILE *stream = (FILE*)client_data;
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207 fprintf(stream, "[ERROR] %s", msg);
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210 sample warning callback expecting a FILE* client object
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212 void warning_callback(const char *msg, void *client_data) {
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213 FILE *stream = (FILE*)client_data;
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214 fprintf(stream, "[WARNING] %s", msg);
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217 sample debug callback expecting no client object
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219 void info_callback(const char *msg, void *client_data) {
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221 fprintf(stdout, "[INFO] %s", msg);
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224 /* -------------------------------------------------------------------------- */
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226 int main(int argc, char **argv) {
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227 opj_dparameters_t parameters; /* decompression parameters */
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228 opj_event_mgr_t event_mgr; /* event manager */
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229 opj_image_t *image = NULL;
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231 unsigned char *src = NULL;
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234 opj_dinfo_t* dinfo = NULL; /* handle to a decompressor */
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235 opj_cio_t *cio = NULL;
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237 /* configure the event callbacks (not required) */
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238 memset(&event_mgr, 0, sizeof(opj_event_mgr_t));
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239 event_mgr.error_handler = error_callback;
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240 event_mgr.warning_handler = warning_callback;
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241 event_mgr.info_handler = info_callback;
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243 /* set decoding parameters to default values */
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244 opj_set_default_decoder_parameters(¶meters);
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246 /* parse input and get user decoding parameters */
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247 if(parse_cmdline_decoder(argc, argv, ¶meters) == 1) {
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251 /* read the input file and put it in memory */
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252 /* ---------------------------------------- */
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253 fsrc = fopen(parameters.infile, "rb");
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255 fprintf(stderr, "ERROR -> failed to open %s for reading\n", parameters.infile);
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258 fseek(fsrc, 0, SEEK_END);
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259 file_length = ftell(fsrc);
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260 fseek(fsrc, 0, SEEK_SET);
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261 src = (unsigned char *) malloc(file_length);
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262 fread(src, 1, file_length, fsrc);
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265 /* decode the code-stream */
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266 /* ---------------------- */
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268 switch(parameters.decod_format) {
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271 /* JPEG-2000 codestream */
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273 /* get a decoder handle */
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274 dinfo = opj_create_decompress(CODEC_J2K);
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276 /* catch events using our callbacks and give a local context */
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277 opj_set_event_mgr((opj_common_ptr)dinfo, &event_mgr, stderr);
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279 /* setup the decoder decoding parameters using user parameters */
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280 opj_setup_decoder(dinfo, ¶meters);
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282 /* open a byte stream */
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283 cio = opj_cio_open((opj_common_ptr)dinfo, src, file_length);
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285 /* decode the stream and fill the image structure */
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286 image = opj_decode(dinfo, cio);
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288 fprintf(stderr, "ERROR -> j2k_to_image: failed to decode image!\n");
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289 opj_destroy_decompress(dinfo);
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290 opj_cio_close(cio);
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294 /* close the byte stream */
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295 opj_cio_close(cio);
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301 /* JPEG 2000 compressed image data */
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303 /* get a decoder handle */
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304 dinfo = opj_create_decompress(CODEC_JP2);
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306 /* catch events using our callbacks and give a local context */
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307 opj_set_event_mgr((opj_common_ptr)dinfo, &event_mgr, stderr);
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309 /* setup the decoder decoding parameters using the current image and using user parameters */
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310 opj_setup_decoder(dinfo, ¶meters);
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312 /* open a byte stream */
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313 cio = opj_cio_open((opj_common_ptr)dinfo, src, file_length);
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315 /* decode the stream and fill the image structure */
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316 image = opj_decode(dinfo, cio);
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318 fprintf(stderr, "ERROR -> j2k_to_image: failed to decode image!\n");
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319 opj_destroy_decompress(dinfo);
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320 opj_cio_close(cio);
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324 /* close the byte stream */
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325 opj_cio_close(cio);
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332 /* JPEG 2000, JPIP */
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334 /* get a decoder handle */
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335 dinfo = opj_create_decompress(CODEC_JPT);
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337 /* catch events using our callbacks and give a local context */
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338 opj_set_event_mgr((opj_common_ptr)dinfo, &event_mgr, stderr);
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340 /* setup the decoder decoding parameters using user parameters */
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341 opj_setup_decoder(dinfo, ¶meters);
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343 /* open a byte stream */
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344 cio = opj_cio_open((opj_common_ptr)dinfo, src, file_length);
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346 /* decode the stream and fill the image structure */
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347 image = opj_decode(dinfo, cio);
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349 fprintf(stderr, "ERROR -> j2k_to_image: failed to decode image!\n");
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350 opj_destroy_decompress(dinfo);
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351 opj_cio_close(cio);
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355 /* close the byte stream */
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356 opj_cio_close(cio);
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361 fprintf(stderr, "ERROR -> j2k_to_image : Unknown input image format\n");
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366 /* free the memory containing the code-stream */
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370 /* create output image */
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371 /* ------------------- */
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373 switch (parameters.cod_format) {
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374 case PXM_DFMT: /* PNM PGM PPM */
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375 imagetopnm(image, parameters.outfile);
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378 case PGX_DFMT: /* PGX */
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379 imagetopgx(image, parameters.outfile);
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382 case BMP_DFMT: /* BMP */
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383 imagetobmp(image, parameters.outfile);
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387 /* free remaining structures */
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389 opj_destroy_decompress(dinfo);
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392 /* free image data structure */
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393 opj_image_destroy(image);
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