2 * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
3 * Copyright (c) 2002-2007, Professor Benoit Macq
4 * Copyright (c) 2003-2007, Francois-Olivier Devaux
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
39 static int int_ceildiv(int a, int b) {
40 return (a + b - 1) / b;
44 Size of memory first allocated for MOOV box
46 #define TEMP_BUF 10000
49 /* -------------------------------------------------------------------------- */
52 sample error callback expecting a FILE* client object
54 void error_callback(const char *msg, void *client_data) {
55 FILE *stream = (FILE*)client_data;
56 fprintf(stream, "[ERROR] %s", msg);
59 sample warning callback expecting a FILE* client object
61 void warning_callback(const char *msg, void *client_data) {
62 FILE *stream = (FILE*)client_data;
63 fprintf(stream, "[WARNING] %s", msg);
66 sample debug callback expecting a FILE* client object
68 void info_callback(const char *msg, void *client_data) {
69 FILE *stream = (FILE*)client_data;
70 fprintf(stream, "[INFO] %s", msg);
73 /* -------------------------------------------------------------------------- */
77 static void read_siz_marker(FILE *file, opj_image_t *image)
84 fseek(file, 0, SEEK_SET);
86 fread(&buf,1,1, file);
88 fread(&buf,1,1, file);
90 while (!(buf==(char)0x51));
92 fread(buf2,2,1,file); /* Lsiz */
93 len = ((buf2[0])<<8) + buf2[1];
95 siz_buffer = (char*) malloc(len * sizeof(char));
96 fread(siz_buffer,len, 1, file);
97 cio = opj_cio_open(NULL, siz_buffer, len);
99 cio_read(cio, 2); /* Rsiz (capabilities) */
100 image->x1 = cio_read(cio, 4); /* Xsiz */
101 image->y1 = cio_read(cio, 4); /* Ysiz */
102 image->x0 = cio_read(cio, 4); /* X0siz */
103 image->y0 = cio_read(cio, 4); /* Y0siz */
104 cio_skip(cio, 16); /* XTsiz, YTsiz, XT0siz, YT0siz */
106 image->numcomps = cio_read(cio,2); /* Csiz */
108 (opj_image_comp_t *) malloc(image->numcomps * sizeof(opj_image_comp_t));
110 for (i = 0; i < image->numcomps; i++) {
112 tmp = cio_read(cio,1); /* Ssiz_i */
113 image->comps[i].prec = (tmp & 0x7f) + 1;
114 image->comps[i].sgnd = tmp >> 7;
115 image->comps[i].dx = cio_read(cio,1); /* XRsiz_i */
116 image->comps[i].dy = cio_read(cio,1); /* YRsiz_i */
117 image->comps[i].resno_decoded = 0; /* number of resolution decoded */
118 image->comps[i].factor = 0; /* reducing factor by component */
120 fseek(file, 0, SEEK_SET);
124 static void setparams(opj_mj2_t *movie, opj_image_t *image) {
125 int i, depth_0, depth, sign;
127 movie->tk[0].sample_rate = 25;
128 movie->tk[0].w = int_ceildiv(image->x1 - image->x0, image->comps[0].dx);
129 movie->tk[0].h = int_ceildiv(image->y1 - image->y0, image->comps[0].dy);
130 mj2_init_stdmovie(movie);
132 movie->tk[0].depth = image->comps[0].prec;
134 if (image->numcomps==3) {
135 if ((image->comps[0].dx == 1) && (image->comps[1].dx == 1) && (image->comps[1].dx == 1))
136 movie->tk[0].CbCr_subsampling_dx = 1;
137 else if ((image->comps[0].dx == 1) && (image->comps[1].dx == 2) && (image->comps[1].dx == 2))
138 movie->tk[0].CbCr_subsampling_dx = 2;
140 fprintf(stderr,"Image component sizes are incoherent\n");
142 if ((image->comps[0].dy == 1) && (image->comps[1].dy == 1) && (image->comps[1].dy == 1))
143 movie->tk[0].CbCr_subsampling_dy = 1;
144 else if ((image->comps[0].dy == 1) && (image->comps[1].dy == 2) && (image->comps[1].dy == 2))
145 movie->tk[0].CbCr_subsampling_dy = 2;
147 fprintf(stderr,"Image component sizes are incoherent\n");
150 movie->tk[0].sample_rate = 25;
152 movie->tk[0].jp2_struct.numcomps = image->numcomps; // NC
154 /* Init Standard jp2 structure */
156 movie->tk[0].jp2_struct.comps =
157 (opj_jp2_comps_t *) malloc(movie->tk[0].jp2_struct.numcomps * sizeof(opj_jp2_comps_t));
158 movie->tk[0].jp2_struct.precedence = 0; /* PRECEDENCE*/
159 movie->tk[0].jp2_struct.approx = 0; /* APPROX*/
160 movie->tk[0].jp2_struct.brand = JP2_JP2; /* BR */
161 movie->tk[0].jp2_struct.minversion = 0; /* MinV */
162 movie->tk[0].jp2_struct.numcl = 1;
163 movie->tk[0].jp2_struct.cl = (unsigned int *) malloc(movie->tk[0].jp2_struct.numcl * sizeof(int));
164 movie->tk[0].jp2_struct.cl[0] = JP2_JP2; /* CL0 : JP2 */
165 movie->tk[0].jp2_struct.C = 7; /* C : Always 7*/
166 movie->tk[0].jp2_struct.UnkC = 0; /* UnkC, colorspace specified in colr box*/
167 movie->tk[0].jp2_struct.IPR = 0; /* IPR, no intellectual property*/
168 movie->tk[0].jp2_struct.w = int_ceildiv(image->x1 - image->x0, image->comps[0].dx);
169 movie->tk[0].jp2_struct.h = int_ceildiv(image->y1 - image->y0, image->comps[0].dy);
171 depth_0 = image->comps[0].prec - 1;
172 sign = image->comps[0].sgnd;
173 movie->tk[0].jp2_struct.bpc = depth_0 + (sign << 7);
175 for (i = 1; i < image->numcomps; i++) {
176 depth = image->comps[i].prec - 1;
177 sign = image->comps[i].sgnd;
178 if (depth_0 != depth)
179 movie->tk[0].jp2_struct.bpc = 255;
182 for (i = 0; i < image->numcomps; i++)
183 movie->tk[0].jp2_struct.comps[i].bpcc =
184 image->comps[i].prec - 1 + (image->comps[i].sgnd << 7);
186 if ((image->numcomps == 1 || image->numcomps == 3)
187 && (movie->tk[0].jp2_struct.bpc != 255))
188 movie->tk[0].jp2_struct.meth = 1;
190 movie->tk[0].jp2_struct.meth = 2;
192 if (image->numcomps == 1)
193 movie->tk[0].jp2_struct.enumcs = 17; // Grayscale
195 else if ((image->comps[0].dx == 1) && (image->comps[1].dx == 1) && (image->comps[1].dx == 1) &&
196 (image->comps[0].dy == 1) && (image->comps[1].dy == 1) && (image->comps[1].dy == 1))
197 movie->tk[0].jp2_struct.enumcs = 16; // RGB
199 else if ((image->comps[0].dx == 1) && (image->comps[1].dx == 2) && (image->comps[1].dx == 2) &&
200 (image->comps[0].dy == 1) && (image->comps[1].dy == 2) && (image->comps[1].dy == 2))
201 movie->tk[0].jp2_struct.enumcs = 18; // YUV
204 movie->tk[0].jp2_struct.enumcs = 0; // Unkown profile */
207 int main(int argc, char *argv[]) {
209 opj_event_mgr_t event_mgr; /* event manager */
212 mj2_sample_t *sample;
213 unsigned char* frame_codestream;
214 FILE *mj2file, *j2kfile;
215 char j2kfilename[50];
217 int offset, mdat_initpos;
220 mj2_cparameters_t parameters;
223 printf("Bad syntax: Usage: MJ2_Wrapper source_location mj2_filename\n");
224 printf("Example: MJ2_Wrapper input/input output.mj2\n");
228 mj2file = fopen(argv[2], "wb");
231 fprintf(stderr, "failed to open %s for writing\n", argv[2]);
236 configure the event callbacks (not required)
237 setting of each callback is optionnal
239 memset(&event_mgr, 0, sizeof(opj_event_mgr_t));
240 event_mgr.error_handler = error_callback;
241 event_mgr.warning_handler = warning_callback;
242 event_mgr.info_handler = info_callback;
244 /* get a MJ2 decompressor handle */
245 cinfo = mj2_create_compress();
247 /* catch events using our callbacks and give a local context */
248 opj_set_event_mgr((opj_common_ptr)cinfo, &event_mgr, stderr);
250 /* setup the decoder encoding parameters using user parameters */
251 movie = (opj_mj2_t*) cinfo->mj2_handle;
252 mj2_setup_encoder(cinfo->mj2_handle, ¶meters);
255 /* Writing JP, FTYP and MDAT boxes
256 Assuming that the JP and FTYP boxes won't be longer than 300 bytes */
258 buf = (char*) malloc (300 * sizeof(char));
259 cio = opj_cio_open(movie->cinfo, buf, 300);
261 mj2_write_ftyp(movie, cio);
262 mdat_initpos = cio_tell(cio);
264 cio_write(cio,MJ2_MDAT, 4);
265 fwrite(buf,cio_tell(cio),1,mj2file);
268 // Insert each j2k codestream in a JP2C box
273 sample = &movie->tk[0].sample[snum];
274 sprintf(j2kfilename,"%s_%05d.j2k",argv[1],snum);
275 j2kfile = fopen(j2kfilename, "rb");
277 if (snum==0) { // Could not open a single codestream
278 fprintf(stderr, "failed to open %s for reading\n",j2kfilename);
281 else { // Tried to open a inexistant codestream
282 fprintf(stdout,"%d frames are being added to the MJ2 file\n",snum);
287 // Calculating offset for samples and chunks
288 offset += cio_tell(cio);
289 sample->offset = offset;
290 movie->tk[0].chunk[snum].offset = offset; // There will be one sample per chunk
292 // Calculating sample size
293 fseek(j2kfile,0,SEEK_END);
294 sample->sample_size = ftell(j2kfile) + 8; // Sample size is codestream + JP2C box header
295 fseek(j2kfile,0,SEEK_SET);
297 // Reading siz marker of j2k image for the first codestream
299 read_siz_marker(j2kfile, &img);
301 // Writing JP2C box header
302 frame_codestream = (unsigned char*) malloc (sample->sample_size+8);
303 cio = opj_cio_open(movie->cinfo, frame_codestream, sample->sample_size);
304 cio_write(cio,sample->sample_size, 4); // Sample size
305 cio_write(cio,JP2_JP2C, 4); // JP2C
307 // Writing codestream from J2K file to MJ2 file
308 fread(frame_codestream+8,sample->sample_size-8,1,j2kfile);
309 fwrite(frame_codestream,sample->sample_size,1,mj2file);
310 cio_skip(cio, sample->sample_size-8);
315 movie->tk[0].sample = realloc(movie->tk[0].sample, (snum+1) * sizeof(mj2_sample_t));
316 movie->tk[0].chunk = realloc(movie->tk[0].chunk, (snum+1) * sizeof(mj2_chunk_t));
317 free(frame_codestream);
320 // Writing the MDAT box length in header
321 offset += cio_tell(cio);
322 buf = (char*) malloc (4 * sizeof(char));
323 cio = opj_cio_open(movie->cinfo, buf, 4);
324 cio_write(cio,offset-mdat_initpos,4);
325 fseek(mj2file,(long)mdat_initpos,SEEK_SET);
326 fwrite(buf,4,1,mj2file);
327 fseek(mj2file,0,SEEK_END);
330 // Setting movie parameters
331 movie->tk[0].num_samples=snum;
332 movie->tk[0].num_chunks=snum;
333 setparams(movie, &img);
336 buf = (char*) malloc ((TEMP_BUF+snum*20) * sizeof(char));
337 cio = opj_cio_open(movie->cinfo, buf, (TEMP_BUF+snum*20));
338 mj2_write_moov(movie, cio);
339 fwrite(buf,cio_tell(cio),1,mj2file);
345 mj2_destroy_compress(movie);