2 * The copyright in this software is being made available under the 2-clauses
3 * BSD License, included below. This software may be subject to other third
4 * party and contributor rights, including patent rights, and no such rights
5 * are granted under this license.
7 * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
8 * Copyright (c) 2002-2014, Professor Benoit Macq
9 * Copyright (c) 2003-2007, Francois-Olivier Devaux
10 * All rights reserved.
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
25 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 * POSSIBILITY OF SUCH DAMAGE.
44 static int int_ceildiv(int a, int b) {
45 return (a + b - 1) / b;
49 Size of memory first allocated for MOOV box
51 #define TEMP_BUF 10000
53 #define J2K_CODESTREAM_MAGIC "\xff\x4f\xff\x51"
55 /* -------------------------------------------------------------------------- */
57 static int test_image(const char *fname, mj2_cparameters_t *cp)
64 opj_dparameters_t dparameters;
70 if((reader = fopen(fname, "rb")) == NULL) return success;
72 fseek(reader, 0, SEEK_END);
73 src_len = ftell(reader);
74 fseek(reader, 0, SEEK_SET);
75 src = (unsigned char*) malloc(src_len);
76 fread(src, 1, src_len, reader);
79 if(memcmp(src, J2K_CODESTREAM_MAGIC, 4) != 0)
81 free(src); return success;
83 memset(&dparameters, 0, sizeof(opj_dparameters_t));
85 opj_set_default_decoder_parameters(&dparameters);
87 dinfo = opj_create_decompress(CODEC_J2K);
89 opj_setup_decoder(dinfo, &dparameters);
91 cio = opj_cio_open((opj_common_ptr)dinfo, src, src_len);
93 image = opj_decode(dinfo, cio);
95 free(src); cio->buffer = NULL;
98 if(image == NULL) goto fin;
100 cp->numcomps = image->numcomps;
101 cp->w = image->comps[0].w;
102 cp->h = image->comps[0].h;
103 cp->prec = image->comps[0].prec;
105 if(image->numcomps > 2 )
107 if((image->comps[0].dx == 1)
108 && (image->comps[1].dx == 2)
109 && (image->comps[2].dx == 2)
110 && (image->comps[0].dy == 1)
111 && (image->comps[1].dy == 2)
112 && (image->comps[2].dy == 2))/* horizontal and vertical*/
115 cp->enumcs = ENUMCS_SYCC;
116 cp->CbCr_subsampling_dx = 2;
117 cp->CbCr_subsampling_dy = 2;
120 if((image->comps[0].dx == 1)
121 && (image->comps[1].dx == 2)
122 && (image->comps[2].dx == 2)
123 && (image->comps[0].dy == 1)
124 && (image->comps[1].dy == 1)
125 && (image->comps[2].dy == 1))/* horizontal only*/
128 cp->enumcs = ENUMCS_SYCC;
129 cp->CbCr_subsampling_dx = 2;
130 cp->CbCr_subsampling_dy = 1;
133 if((image->comps[0].dx == 1)
134 && (image->comps[1].dx == 1)
135 && (image->comps[2].dx == 1)
136 && (image->comps[0].dy == 1)
137 && (image->comps[1].dy == 1)
138 && (image->comps[2].dy == 1))
142 if(image->color_space == CLRSPC_SRGB)
144 cp->enumcs = ENUMCS_SRGB;
146 /* cp->CbCr_subsampling_dx = 0; */
147 /* cp->CbCr_subsampling_dy = 0; */
151 cp->enumcs = ENUMCS_SYCC;
153 cp->CbCr_subsampling_dx = 1;
154 cp->CbCr_subsampling_dy = 1;
164 cp->enumcs = ENUMCS_GRAY;
165 /* cp->CbCr_subsampling_dx = 0; */
166 /* cp->CbCr_subsampling_dy = 0; */
168 if(image->icc_profile_buf)
171 free(image->icc_profile_buf); image->icc_profile_buf = NULL;
178 opj_destroy_decompress(dinfo);
181 opj_image_destroy(image);
187 sample error callback expecting a FILE* client object
189 static void error_callback(const char *msg, void *client_data) {
190 FILE *stream = (FILE*)client_data;
191 fprintf(stream, "[ERROR] %s", msg);
194 sample warning callback expecting a FILE* client object
196 static void warning_callback(const char *msg, void *client_data) {
197 FILE *stream = (FILE*)client_data;
198 fprintf(stream, "[WARNING] %s", msg);
201 sample debug callback expecting a FILE* client object
203 static void info_callback(const char *msg, void *client_data) {
204 FILE *stream = (FILE*)client_data;
205 fprintf(stream, "[INFO] %s", msg);
208 /* -------------------------------------------------------------------------- */
212 static void read_siz_marker(FILE *file, opj_image_t *image)
216 unsigned char *siz_buffer;
219 fseek(file, 0, SEEK_SET);
221 fread(&buf,1,1, file);
223 fread(&buf,1,1, file);
225 while (!(buf==(char)0x51));
227 fread(buf2,2,1,file); /* Lsiz */
228 len = ((buf2[0])<<8) + buf2[1];
230 siz_buffer = (unsigned char*) malloc(len * sizeof(unsigned char));
231 fread(siz_buffer,len, 1, file);
232 cio = opj_cio_open(NULL, siz_buffer, len);
234 cio_read(cio, 2); /* Rsiz (capabilities) */
235 image->x1 = cio_read(cio, 4); /* Xsiz */
236 image->y1 = cio_read(cio, 4); /* Ysiz */
237 image->x0 = cio_read(cio, 4); /* X0siz */
238 image->y0 = cio_read(cio, 4); /* Y0siz */
239 cio_skip(cio, 16); /* XTsiz, YTsiz, XT0siz, YT0siz */
241 image->numcomps = cio_read(cio,2); /* Csiz */
243 (opj_image_comp_t *) malloc(image->numcomps * sizeof(opj_image_comp_t));
245 for (i = 0; i < image->numcomps; i++) {
247 tmp = cio_read(cio,1); /* Ssiz_i */
248 image->comps[i].prec = (tmp & 0x7f) + 1;
249 image->comps[i].sgnd = tmp >> 7;
250 image->comps[i].dx = cio_read(cio,1); /* XRsiz_i */
251 image->comps[i].dy = cio_read(cio,1); /* YRsiz_i */
252 image->comps[i].resno_decoded = 0; /* number of resolution decoded */
253 image->comps[i].factor = 0; /* reducing factor by component */
255 fseek(file, 0, SEEK_SET);
260 static void setparams(opj_mj2_t *movie, opj_image_t *image) {
261 int i, depth_0, depth, sign;
263 movie->tk[0].w = int_ceildiv(image->x1 - image->x0, image->comps[0].dx);
264 movie->tk[0].h = int_ceildiv(image->y1 - image->y0, image->comps[0].dy);
265 mj2_init_stdmovie(movie);
267 movie->tk[0].depth = image->comps[0].prec;
269 if (image->numcomps==3) {
270 if ((image->comps[0].dx == 1)
271 && (image->comps[1].dx == 1)
272 && (image->comps[2].dx == 1))
273 movie->tk[0].CbCr_subsampling_dx = 1;
275 if ((image->comps[0].dx == 1)
276 && (image->comps[1].dx == 2)
277 && (image->comps[2].dx == 2))
278 movie->tk[0].CbCr_subsampling_dx = 2;
280 fprintf(stderr,"Image component sizes are incoherent\n");
282 if ((image->comps[0].dy == 1)
283 && (image->comps[1].dy == 1)
284 && (image->comps[2].dy == 1))
285 movie->tk[0].CbCr_subsampling_dy = 1;
287 if ((image->comps[0].dy == 1)
288 && (image->comps[1].dy == 2)
289 && (image->comps[2].dy == 2))
290 movie->tk[0].CbCr_subsampling_dy = 2;
292 fprintf(stderr,"Image component sizes are incoherent\n");
295 movie->tk[0].sample_rate = 25;
297 movie->tk[0].jp2_struct.numcomps = image->numcomps; /* NC */
299 /* Init Standard jp2 structure */
301 movie->tk[0].jp2_struct.comps =
302 (opj_jp2_comps_t *) malloc(movie->tk[0].jp2_struct.numcomps * sizeof(opj_jp2_comps_t));
303 movie->tk[0].jp2_struct.precedence = 0; /* PRECEDENCE*/
304 movie->tk[0].jp2_struct.approx = 0; /* APPROX*/
305 movie->tk[0].jp2_struct.brand = JP2_JP2; /* BR */
306 movie->tk[0].jp2_struct.minversion = 0; /* MinV */
307 movie->tk[0].jp2_struct.numcl = 1;
308 movie->tk[0].jp2_struct.cl = (unsigned int *) malloc(movie->tk[0].jp2_struct.numcl * sizeof(int));
309 movie->tk[0].jp2_struct.cl[0] = JP2_JP2; /* CL0 : JP2 */
310 movie->tk[0].jp2_struct.C = 7; /* C : Always 7*/
311 movie->tk[0].jp2_struct.UnkC = 0; /* UnkC, colorspace specified in colr box*/
312 movie->tk[0].jp2_struct.IPR = 0; /* IPR, no intellectual property*/
313 movie->tk[0].jp2_struct.w = int_ceildiv(image->x1 - image->x0, image->comps[0].dx);
314 movie->tk[0].jp2_struct.h = int_ceildiv(image->y1 - image->y0, image->comps[0].dy);
316 depth_0 = image->comps[0].prec - 1;
317 sign = image->comps[0].sgnd;
318 movie->tk[0].jp2_struct.bpc = depth_0 + (sign << 7);
320 for (i = 1; i < image->numcomps; i++) {
321 depth = image->comps[i].prec - 1;
322 sign = image->comps[i].sgnd;
323 if (depth_0 != depth)
324 movie->tk[0].jp2_struct.bpc = 255;
327 for (i = 0; i < image->numcomps; i++)
328 movie->tk[0].jp2_struct.comps[i].bpcc =
329 image->comps[i].prec - 1 + (image->comps[i].sgnd << 7);
331 if ((image->numcomps == 1 || image->numcomps == 3)
332 && (movie->tk[0].jp2_struct.bpc != 255))
333 movie->tk[0].jp2_struct.meth = 1;
335 movie->tk[0].jp2_struct.meth = 2;
337 if (image->numcomps == 1)
338 movie->tk[0].jp2_struct.enumcs = 17; /* Grayscale */
341 if ((image->comps[0].dx == 1)
342 && (image->comps[1].dx == 1)
343 && (image->comps[2].dx == 1)
344 && (image->comps[0].dy == 1)
345 && (image->comps[1].dy == 1)
346 && (image->comps[2].dy == 1))
347 movie->tk[0].jp2_struct.enumcs = 16; /* RGB */
350 if ((image->comps[0].dx == 1)
351 && (image->comps[1].dx == 2)
352 && (image->comps[2].dx == 2)
353 && (image->comps[0].dy == 1)
354 && (image->comps[1].dy == 2)
355 && (image->comps[2].dy == 2))
356 movie->tk[0].jp2_struct.enumcs = 18; /* YUV */
359 movie->tk[0].jp2_struct.enumcs = 0; /* Unknown profile */
362 int main(int argc, char *argv[]) {
364 opj_event_mgr_t event_mgr; /* event manager */
367 mj2_sample_t *sample;
368 unsigned char* frame_codestream;
369 FILE *mj2file, *j2kfile;
372 int offset, mdat_initpos;
375 mj2_cparameters_t parameters;
378 printf("Usage: %s source_location mj2_filename\n",argv[0]);
379 printf("Example: %s input/input output.mj2\n",argv[0]);
383 mj2file = fopen(argv[2], "wb");
386 fprintf(stderr, "failed to open %s for writing\n", argv[2]);
389 memset(&img, 0, sizeof(opj_image_t));
391 configure the event callbacks (not required)
392 setting of each callback is optionnal
394 memset(&event_mgr, 0, sizeof(opj_event_mgr_t));
395 event_mgr.error_handler = error_callback;
396 event_mgr.warning_handler = warning_callback;
397 event_mgr.info_handler = info_callback;
399 /* get a MJ2 decompressor handle */
400 cinfo = mj2_create_compress();
402 /* catch events using our callbacks and give a local context */
403 opj_set_event_mgr((opj_common_ptr)cinfo, &event_mgr, stderr);
405 /* setup the decoder encoding parameters using user parameters */
406 memset(¶meters, 0, sizeof(mj2_cparameters_t));
407 movie = (opj_mj2_t*) cinfo->mj2_handle;
409 j2kfilename = (char*)malloc(strlen(argv[1]) + 12);/* max. '%6d' */
410 sprintf(j2kfilename, "%s_00001.j2k",argv[1]);
412 if(test_image(j2kfilename, ¶meters) == 0) goto fin;
414 parameters.frame_rate = 25; /* DEFAULT */
416 mj2_setup_encoder(movie, ¶meters);
419 /* Writing JP, FTYP and MDAT boxes
420 Assuming that the JP and FTYP boxes won't be longer than 300 bytes */
422 buf = (unsigned char*) malloc (300 * sizeof(unsigned char));
423 cio = opj_cio_open(movie->cinfo, buf, 300);
425 mj2_write_ftyp(movie, cio);
426 mdat_initpos = cio_tell(cio);
428 cio_write(cio,MJ2_MDAT, 4);
429 fwrite(buf,cio_tell(cio),1,mj2file);
432 /* Insert each j2k codestream in a JP2C box */
437 mj2_sample_t * new_sample;
438 mj2_chunk_t * new_chunk;
439 sample = &movie->tk[0].sample[snum];
440 sprintf(j2kfilename,"%s_%05d.j2k",argv[1],snum);
441 j2kfile = fopen(j2kfilename, "rb");
443 if (snum==0) { /* Could not open a single codestream */
444 fprintf(stderr, "failed to open %s for reading\n",j2kfilename);
447 else { /* Tried to open a inexistant codestream */
448 fprintf(stdout,"%d frames are being added to the MJ2 file\n",snum);
453 /* Calculating offset for samples and chunks */
454 offset += cio_tell(cio);
455 sample->offset = offset;
456 movie->tk[0].chunk[snum].offset = offset; /* There will be one sample per chunk */
458 /* Calculating sample size */
459 fseek(j2kfile,0,SEEK_END);
460 sample->sample_size = ftell(j2kfile) + 8; /* Sample size is codestream + JP2C box header */
461 fseek(j2kfile,0,SEEK_SET);
463 /* Reading siz marker of j2k image for the first codestream */
465 read_siz_marker(j2kfile, &img);
467 /* Writing JP2C box header */
468 frame_codestream = (unsigned char*) malloc (sample->sample_size+8);
469 cio = opj_cio_open(movie->cinfo, frame_codestream, sample->sample_size);
470 cio_write(cio,sample->sample_size, 4); /* Sample size */
471 cio_write(cio,JP2_JP2C, 4); /* JP2C */
473 /* Writing codestream from J2K file to MJ2 file */
474 fread(frame_codestream+8,sample->sample_size-8,1,j2kfile);
475 fwrite(frame_codestream,sample->sample_size,1,mj2file);
476 cio_skip(cio, sample->sample_size-8);
481 new_sample = (mj2_sample_t*)
482 realloc(movie->tk[0].sample, (snum+1) * sizeof(mj2_sample_t));
483 new_chunk = (mj2_chunk_t*)
484 realloc(movie->tk[0].chunk, (snum+1) * sizeof(mj2_chunk_t));
485 if (new_sample && new_chunk) {
486 movie->tk[0].sample = new_sample;
487 movie->tk[0].chunk = new_chunk;
489 fprintf(stderr, "Failed to allocate enough memory to read %s\n", j2kfilename);
492 free(frame_codestream);
495 /* Writing the MDAT box length in header */
496 offset += cio_tell(cio);
497 buf = (unsigned char*) malloc (4 * sizeof(unsigned char));
498 cio = opj_cio_open(movie->cinfo, buf, 4);
499 cio_write(cio,offset-mdat_initpos,4);
500 fseek(mj2file,(long)mdat_initpos,SEEK_SET);
501 fwrite(buf,4,1,mj2file);
502 fseek(mj2file,0,SEEK_END);
505 /* Setting movie parameters */
506 movie->tk[0].num_samples=snum;
507 movie->tk[0].num_chunks=snum;
508 setparams(movie, &img);
510 /* Writing MOOV box */
511 buf = (unsigned char*) malloc ((TEMP_BUF+snum*20) * sizeof(unsigned char));
512 cio = opj_cio_open(movie->cinfo, buf, (TEMP_BUF+snum*20));
513 mj2_write_moov(movie, cio);
514 fwrite(buf,cio_tell(cio),1,mj2file);
522 mj2_destroy_compress(movie);