1 /*=========================================================================
4 Module: $RCSfile: gdcmJpeg2000.cxx,v $
6 Date: $Date: 2006/05/15 15:24:43 $
7 Version: $Revision: 1.42 $
9 Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
10 l'Image). All rights reserved. See Doc/License.txt or
11 http://www.creatis.insa-lyon.fr/Public/Gdcm/License.html for details.
13 This software is distributed WITHOUT ANY WARRANTY; without even
14 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
15 PURPOSE. See the above copyright notices for more information.
17 =========================================================================*/
18 #include "gdcmFileHelper.h"
19 #include "gdcmDebug.h"
24 #if defined(__BORLANDC__)
25 #include <mem.h> // for memset
32 sample error callback expecting a FILE* client object
34 void error_callback(const char *msg, void *) {
35 std::cerr << "Error in gdcmopenjpeg" << msg << std::endl;
38 sample warning callback expecting a FILE* client object
40 void warning_callback(const char *msg, void *) {
41 std::cerr << "Warning in gdcmopenjpeg" << msg << std::endl;
44 sample debug callback expecting no client object
46 void info_callback(const char *msg, void *) {
47 std::cerr << "Info in gdcmopenjpeg" << msg << std::endl;
53 //-----------------------------------------------------------------------------
55 * \brief routine for JPEG decompression
57 * @param inputdata inputdata
58 * @param inputlength inputlength
59 * @return 1 on success, 0 on error
73 * Divide an integer by a power of 2 and round upwards.
77 inline int int_ceildivpow2(int a, int b) {
78 return (a + (1 << b) - 1) >> b;
82 * The following function was copy paste from j2k_to_image.c with part from convert.c
84 bool gdcm_read_JPEG2000_file (void* raw, char *inputdata, size_t inputlength)
86 opj_dparameters_t parameters; /* decompression parameters */
87 opj_event_mgr_t event_mgr; /* event manager */
89 opj_dinfo_t* dinfo; /* handle to a decompressor */
91 unsigned char *src = (unsigned char*)inputdata;
92 int file_length = inputlength;
94 /* configure the event callbacks (not required) */
95 memset(&event_mgr, 0, sizeof(opj_event_mgr_t));
96 event_mgr.error_handler = error_callback;
97 event_mgr.warning_handler = warning_callback;
98 event_mgr.info_handler = info_callback;
100 /* set decoding parameters to default values */
101 opj_set_default_decoder_parameters(¶meters);
103 // default blindly copied
104 parameters.cp_layer=0;
105 parameters.cp_reduce=0;
106 // parameters.decod_format=-1;
107 // parameters.cod_format=-1;
109 /* JPEG-2000 codestream */
110 parameters.decod_format = J2K_CFMT;
111 assert(parameters.decod_format == J2K_CFMT);
112 parameters.cod_format = PGX_DFMT;
113 assert(parameters.cod_format == PGX_DFMT);
115 /* get a decoder handle */
116 dinfo = opj_create_decompress(CODEC_J2K);
118 /* catch events using our callbacks and give a local context */
119 opj_set_event_mgr((opj_common_ptr)dinfo, &event_mgr, NULL);
121 /* setup the decoder decoding parameters using user parameters */
122 opj_setup_decoder(dinfo, ¶meters);
124 /* open a byte stream */
125 cio = opj_cio_open((opj_common_ptr)dinfo, src, file_length);
127 /* decode the stream and fill the image structure */
128 image = opj_decode(dinfo, cio);
130 opj_destroy_decompress(dinfo);
135 /* close the byte stream */
138 /* free the memory containing the code-stream */
139 delete[] src; //FIXME
142 for (int compno = 0; compno < image->numcomps; compno++)
144 opj_image_comp_t *comp = &image->comps[compno];
146 int w = image->comps[compno].w;
147 int wr = int_ceildivpow2(image->comps[compno].w, image->comps[compno].factor);
149 //int h = image.comps[compno].h;
150 int hr = int_ceildivpow2(image->comps[compno].h, image->comps[compno].factor);
154 uint8_t *data8 = (uint8_t*)raw;
155 for (int i = 0; i < wr * hr; i++)
157 int v = image->comps[compno].data[i / wr * w + i % wr];
158 *data8++ = (uint8_t)v;
161 else if (comp->prec <= 16)
163 uint16_t *data16 = (uint16_t*)raw;
164 for (int i = 0; i < wr * hr; i++)
166 int v = image->comps[compno].data[i / wr * w + i % wr];
167 *data16++ = (uint16_t)v;
172 uint32_t *data32 = (uint32_t*)raw;
173 for (int i = 0; i < wr * hr; i++)
175 int v = image->comps[compno].data[i / wr * w + i % wr];
176 *data32++ = (uint32_t)v;
179 //free(image.comps[compno].data);
183 /* free remaining structures */
185 opj_destroy_decompress(dinfo);
188 /* free image data structure */
189 opj_image_destroy(image);
196 bool gdcm_read_JPEG2000_file (void* raw, char *inputdata, size_t inputlength)
201 // default blindly copied
207 cp.cod_format=J2K_CFMT;
208 cp.decod_format = PGX_DFMT;
209 int len = inputlength;
210 unsigned char *src = (unsigned char*)inputdata;
213 if (!j2k_decode(src, len, &img, &cp))
215 gdcmStaticErrorMacro( "ERROR -> j2k_to_image: failed to decode image!" );
220 for (int compno = 0; compno < img.numcomps; compno++)
222 j2k_comp_t *comp = &img.comps[compno];
224 int w = img.comps[compno].w;
225 int wr = int_ceildivpow2(img.comps[compno].w, img.comps[compno].factor);
227 //int h = img.comps[compno].h;
228 int hr = int_ceildivpow2(img.comps[compno].h, img.comps[compno].factor);
232 uint8_t *data8 = (uint8_t*)raw;
233 for (int i = 0; i < wr * hr; i++)
235 int v = img.comps[compno].data[i / wr * w + i % wr];
236 *data8++ = (uint8_t)v;
239 else if (comp->prec <= 16)
241 uint16_t *data16 = (uint16_t*)raw;
242 for (int i = 0; i < wr * hr; i++)
244 int v = img.comps[compno].data[i / wr * w + i % wr];
245 *data16++ = (uint16_t)v;
250 uint32_t *data32 = (uint32_t*)raw;
251 for (int i = 0; i < wr * hr; i++)
253 int v = img.comps[compno].data[i / wr * w + i % wr];
254 *data32++ = (uint32_t)v;
257 free(img.comps[compno].data);
260 // Free remaining structures
270 bool gdcm_read_JASPER_file (void* raw, char *inputdata, size_t inputlength)
273 std::cerr << "Inputlenght=" << inputlength << std::endl;
274 std::ofstream out("/tmp/jpeg2000.jpc", std::ios::binary);
275 out.write((char*)inputdata,inputlength);
278 jas_init(); //important...
279 jas_stream_t *jasStream =
280 jas_stream_memopen((char *)inputdata, inputlength);
283 if ((fmtid = jas_image_getfmt(jasStream)) < 0)
285 gdcmErrorMacro("unknown image format");
290 jas_image_t *jasImage /* = NULL*/; // Useless assignation
291 if (!(jasImage = jas_image_decode(jasStream, fmtid, 0)))
293 gdcmErrorMacro("cannot decode image");
298 jas_stream_close(jasStream);
299 int numcmpts = jas_image_numcmpts(jasImage);
300 int width = jas_image_cmptwidth(jasImage, 0);
301 int height = jas_image_cmptheight(jasImage, 0);
302 int prec = jas_image_cmptprec(jasImage, 0);
305 // The following should serioulsy be rewritten I cannot believe we need to
306 // do a per pixel decompression, there should be a way to read a full
310 uint8_t *data8 = (uint8_t*)raw;
311 for ( i = 0; i < height; i++)
312 for ( j = 0; j < width; j++)
313 for ( k= 0; k < numcmpts; k++)
314 *data8++ = (uint8_t)(jas_image_readcmptsample(jasImage, k, j ,i ));
318 uint16_t *data16 = (uint16_t*)raw;
319 for ( i = 0; i < height; i++)
320 for ( j = 0; j < width; j++)
321 for ( k= 0; k < numcmpts; k++)
322 *data16++ = (uint16_t)(jas_image_readcmptsample(jasImage, k, j ,i ));
326 uint32_t *data32 = (uint32_t*)raw;
327 for ( i = 0; i < height; i++)
328 for ( j = 0; j < width; j++)
329 for ( k= 0; k < numcmpts; k++)
330 *data32++ = (uint32_t)(jas_image_readcmptsample(jasImage, k, j ,i ));
333 jas_image_destroy(jasImage);
334 jas_image_clearfmts();
337 //delete the jpeg temp buffer
339 std::ofstream rawout("/tmp/jpeg2000.raw");
340 rawout.write((char*)raw,height*width*numcmpts*((prec+4)/8));
349 //-----------------------------------------------------------------------------
350 } // end namespace gdcm