2 * Copyright (c) 2003-2004, Francois-Olivier Devaux
3 * Copyright (c) 2002-2004, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25 * POSSIBILITY OF SUCH DAMAGE.
32 #include "opj_apps_config.h"
39 #include "mj2_convert.h"
41 #ifdef OPJ_HAVE_LIBLCMS2
44 #ifdef OPJ_HAVE_LIBLCMS1
48 /* -------------------------------------------------------------------------- */
51 sample error callback expecting a FILE* client object
53 static 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 static void warning_callback(const char *msg, void *client_data)
63 FILE *stream = (FILE*)client_data;
64 fprintf(stream, "[WARNING] %s", msg);
67 /* -------------------------------------------------------------------------- */
70 int main(int argc, char *argv[])
72 mj2_dparameters_t mj2_parameters; /* decompression parameters */
74 opj_event_mgr_t event_mgr; /* event manager */
75 opj_cio_t *cio = NULL;
76 unsigned int tnum, snum;
80 unsigned char* frame_codestream;
83 opj_image_t *img = NULL;
84 unsigned int max_codstrm_size = 0;
85 double total_time = 0;
86 unsigned int numframes = 0;
89 printf("Usage: %s inputfile.mj2 outputfile.yuv\n", argv[0]);
93 file = fopen(argv[1], "rb");
96 fprintf(stderr, "failed to open %s for reading\n", argv[1]);
100 /* Checking output file */
101 outfile = fopen(argv[2], "w");
103 fprintf(stderr, "failed to open %s for writing\n", argv[2]);
110 configure the event callbacks (not required)
111 setting of each callback is optional
113 memset(&event_mgr, 0, sizeof(opj_event_mgr_t));
114 event_mgr.error_handler = error_callback;
115 event_mgr.warning_handler = warning_callback;
116 event_mgr.info_handler = NULL;
118 /* get a MJ2 decompressor handle */
119 dinfo = mj2_create_decompress();
120 movie = (opj_mj2_t*)dinfo->mj2_handle;
122 /* catch events using our callbacks and give a local context */
123 opj_set_event_mgr((opj_common_ptr)dinfo, &event_mgr, stderr);
125 memset(&mj2_parameters, 0, sizeof(mj2_dparameters_t));
126 /* set J2K decoding parameters to default values */
127 opj_set_default_decoder_parameters(&mj2_parameters.j2k_parameters);
129 /* setup the decoder decoding parameters using user parameters */
130 mj2_setup_decoder(movie, &mj2_parameters);
132 if (mj2_read_struct(file, movie)) { /* Creating the movie structure */
136 /* Decode first video track */
138 tnum < (unsigned int)(movie->num_htk + movie->num_stk + movie->num_vtk);
140 if (movie->tk[tnum].track_type == 0) {
145 if (movie->tk[tnum].track_type != 0) {
146 printf("Error. Movie does not contain any video track\n");
150 track = &movie->tk[tnum];
152 /* Output info on first video tracl */
154 "The first video track contains %d frames.\nWidth: %d, Height: %d \n\n",
155 track->num_samples, track->w, track->h);
157 max_codstrm_size = track->sample[0].sample_size - 8;
158 frame_codestream = (unsigned char*) malloc(max_codstrm_size * sizeof(
161 numframes = track->num_samples;
163 for (snum = 0; snum < numframes; snum++) {
164 double init_time = opj_clock();
167 sample = &track->sample[snum];
168 if (sample->sample_size - 8 > max_codstrm_size) {
169 max_codstrm_size = sample->sample_size - 8;
170 if ((frame_codestream = (unsigned char*)
171 realloc(frame_codestream, max_codstrm_size)) == NULL) {
172 printf("Error reallocation memory\n");
173 free(frame_codestream);
177 fseek(file, sample->offset + 8, SEEK_SET);
178 fread(frame_codestream, sample->sample_size - 8, 1,
179 file); /* Assuming that jp and ftyp markers size do */
181 /* open a byte stream */
182 cio = opj_cio_open((opj_common_ptr)dinfo, frame_codestream,
183 sample->sample_size - 8);
185 img = opj_decode(dinfo, cio); /* Decode J2K to image */
187 #ifdef WANT_SYCC_TO_RGB
188 if (img->color_space == CLRSPC_SYCC) {
189 color_sycc_to_rgb(img);
193 if (img->icc_profile_buf) {
194 #if defined(OPJ_HAVE_LIBLCMS1) || defined(OPJ_HAVE_LIBLCMS2)
195 color_apply_icc_profile(img);
198 free(img->icc_profile_buf);
199 img->icc_profile_buf = NULL;
200 img->icc_profile_len = 0;
203 if (((img->numcomps == 3) && (img->comps[0].dx == img->comps[1].dx / 2)
204 && (img->comps[0].dx == img->comps[2].dx / 2) && (img->comps[0].dx == 1))
205 || (img->numcomps == 1)) {
207 if (!imagetoyuv(img, argv[2])) { /* Convert image to YUV */
210 } else if ((img->numcomps == 3) &&
211 (img->comps[0].dx == 1) && (img->comps[1].dx == 1) &&
212 (img->comps[2].dx == 1)) { /* If YUV 4:4:4 input --> to bmp */
214 "The frames will be output in a bmp format (output_1.bmp, ...)\n");
215 sprintf(outfilename, "output_%d.bmp", snum);
216 if (imagetobmp(img, outfilename)) { /* Convert image to BMP */
222 "Image component dimensions are unknown. Unable to output image\n");
224 "The frames will be output in a j2k file (output_1.j2k, ...)\n");
226 sprintf(outfilename, "output_%d.j2k", snum);
227 outfile = fopen(outfilename, "wb");
229 fprintf(stderr, "failed to open %s for writing\n", outfilename);
232 fwrite(frame_codestream, sample->sample_size - 8, 1, outfile);
235 /* close the byte stream */
237 /* free image data structure */
238 opj_image_destroy(img);
239 elapsed_time = opj_clock() - init_time;
240 fprintf(stderr, "Frame number %d/%d decoded in %.2f mseconds\n", snum + 1,
241 numframes, elapsed_time * 1000);
242 total_time += elapsed_time;
246 free(frame_codestream);
249 /* free remaining structures */
251 mj2_destroy_decompress((opj_mj2_t*)dinfo->mj2_handle);
255 fprintf(stdout, "%d frame(s) correctly decompressed\n", snum);
256 fprintf(stdout, "Total decoding time: %.2f seconds (%.1f fps)\n", total_time,
257 (float)numframes / total_time);