/**
sample error callback expecting a FILE* client object
*/
-static void error_callback(const char *msg, void *client_data) {
- FILE *stream = (FILE*)client_data;
- fprintf(stream, "[ERROR] %s", msg);
+static void error_callback(const char *msg, void *client_data)
+{
+ FILE *stream = (FILE*)client_data;
+ fprintf(stream, "[ERROR] %s", msg);
}
/**
sample warning callback expecting a FILE* client object
*/
-static void warning_callback(const char *msg, void *client_data) {
- FILE *stream = (FILE*)client_data;
- fprintf(stream, "[WARNING] %s", msg);
+static void warning_callback(const char *msg, void *client_data)
+{
+ FILE *stream = (FILE*)client_data;
+ fprintf(stream, "[WARNING] %s", msg);
}
/* -------------------------------------------------------------------------- */
-int main(int argc, char *argv[]) {
- mj2_dparameters_t mj2_parameters; /* decompression parameters */
- opj_dinfo_t* dinfo;
- opj_event_mgr_t event_mgr; /* event manager */
- opj_cio_t *cio = NULL;
- unsigned int tnum, snum;
- opj_mj2_t *movie;
- mj2_tk_t *track;
- mj2_sample_t *sample;
- unsigned char* frame_codestream;
- FILE *file, *outfile;
- char outfilename[50];
- opj_image_t *img = NULL;
- unsigned int max_codstrm_size = 0;
- double total_time = 0;
- unsigned int numframes = 0;
-
- if (argc != 3) {
- printf("Usage: %s inputfile.mj2 outputfile.yuv\n",argv[0]);
- return 1;
- }
-
- file = fopen(argv[1], "rb");
-
- if (!file) {
- fprintf(stderr, "failed to open %s for reading\n", argv[1]);
- return 1;
- }
-
- /* Checking output file */
- outfile = fopen(argv[2], "w");
- if (!file) {
- fprintf(stderr, "failed to open %s for writing\n", argv[2]);
- return 1;
- }
- fclose(outfile);
-
- /*
- configure the event callbacks (not required)
- setting of each callback is optionnal
- */
- memset(&event_mgr, 0, sizeof(opj_event_mgr_t));
- event_mgr.error_handler = error_callback;
- event_mgr.warning_handler = warning_callback;
- event_mgr.info_handler = NULL;
-
- /* get a MJ2 decompressor handle */
- dinfo = mj2_create_decompress();
- movie = (opj_mj2_t*)dinfo->mj2_handle;
-
- /* catch events using our callbacks and give a local context */
- opj_set_event_mgr((opj_common_ptr)dinfo, &event_mgr, stderr);
-
- memset(&mj2_parameters, 0, sizeof(mj2_dparameters_t));
- /* set J2K decoding parameters to default values */
- opj_set_default_decoder_parameters(&mj2_parameters.j2k_parameters);
-
- /* setup the decoder decoding parameters using user parameters */
- mj2_setup_decoder(movie, &mj2_parameters);
-
- if (mj2_read_struct(file, movie)) /* Creating the movie structure */
- return 1;
-
- /* Decode first video track */
- for (tnum=0; tnum < (unsigned int)(movie->num_htk + movie->num_stk + movie->num_vtk); tnum++) {
- if (movie->tk[tnum].track_type == 0)
- break;
- }
-
- if (movie->tk[tnum].track_type != 0) {
- printf("Error. Movie does not contain any video track\n");
- return 1;
- }
-
- track = &movie->tk[tnum];
-
- /* Output info on first video tracl */
- fprintf(stdout,"The first video track contains %d frames.\nWidth: %d, Height: %d \n\n",
- track->num_samples, track->w, track->h);
-
- max_codstrm_size = track->sample[0].sample_size-8;
- frame_codestream = (unsigned char*) malloc(max_codstrm_size * sizeof(unsigned char));
-
- numframes = track->num_samples;
-
- for (snum=0; snum < numframes; snum++)
- {
- double init_time = opj_clock();
- double elapsed_time;
-
- sample = &track->sample[snum];
- if (sample->sample_size-8 > max_codstrm_size) {
- max_codstrm_size = sample->sample_size-8;
- if ((frame_codestream = (unsigned char*)
- realloc(frame_codestream, max_codstrm_size)) == NULL) {
- printf("Error reallocation memory\n");
- return 1;
- };
- }
- fseek(file,sample->offset+8,SEEK_SET);
- fread(frame_codestream, sample->sample_size-8, 1, file); /* Assuming that jp and ftyp markers size do */
-
- /* open a byte stream */
- cio = opj_cio_open((opj_common_ptr)dinfo, frame_codestream, sample->sample_size-8);
-
- img = opj_decode(dinfo, cio); /* Decode J2K to image */
+int main(int argc, char *argv[])
+{
+ mj2_dparameters_t mj2_parameters; /* decompression parameters */
+ opj_dinfo_t* dinfo;
+ opj_event_mgr_t event_mgr; /* event manager */
+ opj_cio_t *cio = NULL;
+ unsigned int tnum, snum;
+ opj_mj2_t *movie;
+ mj2_tk_t *track;
+ mj2_sample_t *sample;
+ unsigned char* frame_codestream;
+ FILE *file, *outfile;
+ char outfilename[50];
+ opj_image_t *img = NULL;
+ unsigned int max_codstrm_size = 0;
+ double total_time = 0;
+ unsigned int numframes = 0;
+
+ if (argc != 3) {
+ printf("Usage: %s inputfile.mj2 outputfile.yuv\n", argv[0]);
+ return 1;
+ }
+
+ file = fopen(argv[1], "rb");
+
+ if (!file) {
+ fprintf(stderr, "failed to open %s for reading\n", argv[1]);
+ return 1;
+ }
+
+ /* Checking output file */
+ outfile = fopen(argv[2], "w");
+ if (!file) {
+ fprintf(stderr, "failed to open %s for writing\n", argv[2]);
+ return 1;
+ }
+ fclose(outfile);
+
+ /*
+ configure the event callbacks (not required)
+ setting of each callback is optionnal
+ */
+ memset(&event_mgr, 0, sizeof(opj_event_mgr_t));
+ event_mgr.error_handler = error_callback;
+ event_mgr.warning_handler = warning_callback;
+ event_mgr.info_handler = NULL;
+
+ /* get a MJ2 decompressor handle */
+ dinfo = mj2_create_decompress();
+ movie = (opj_mj2_t*)dinfo->mj2_handle;
+
+ /* catch events using our callbacks and give a local context */
+ opj_set_event_mgr((opj_common_ptr)dinfo, &event_mgr, stderr);
+
+ memset(&mj2_parameters, 0, sizeof(mj2_dparameters_t));
+ /* set J2K decoding parameters to default values */
+ opj_set_default_decoder_parameters(&mj2_parameters.j2k_parameters);
+
+ /* setup the decoder decoding parameters using user parameters */
+ mj2_setup_decoder(movie, &mj2_parameters);
+
+ if (mj2_read_struct(file, movie)) { /* Creating the movie structure */
+ return 1;
+ }
+
+ /* Decode first video track */
+ for (tnum = 0;
+ tnum < (unsigned int)(movie->num_htk + movie->num_stk + movie->num_vtk);
+ tnum++) {
+ if (movie->tk[tnum].track_type == 0) {
+ break;
+ }
+ }
+
+ if (movie->tk[tnum].track_type != 0) {
+ printf("Error. Movie does not contain any video track\n");
+ return 1;
+ }
+
+ track = &movie->tk[tnum];
+
+ /* Output info on first video tracl */
+ fprintf(stdout,
+ "The first video track contains %d frames.\nWidth: %d, Height: %d \n\n",
+ track->num_samples, track->w, track->h);
+
+ max_codstrm_size = track->sample[0].sample_size - 8;
+ frame_codestream = (unsigned char*) malloc(max_codstrm_size * sizeof(
+ unsigned char));
+
+ numframes = track->num_samples;
+
+ for (snum = 0; snum < numframes; snum++) {
+ double init_time = opj_clock();
+ double elapsed_time;
+
+ sample = &track->sample[snum];
+ if (sample->sample_size - 8 > max_codstrm_size) {
+ max_codstrm_size = sample->sample_size - 8;
+ if ((frame_codestream = (unsigned char*)
+ realloc(frame_codestream, max_codstrm_size)) == NULL) {
+ printf("Error reallocation memory\n");
+ return 1;
+ };
+ }
+ fseek(file, sample->offset + 8, SEEK_SET);
+ fread(frame_codestream, sample->sample_size - 8, 1,
+ file); /* Assuming that jp and ftyp markers size do */
+
+ /* open a byte stream */
+ cio = opj_cio_open((opj_common_ptr)dinfo, frame_codestream,
+ sample->sample_size - 8);
+
+ img = opj_decode(dinfo, cio); /* Decode J2K to image */
#ifdef WANT_SYCC_TO_RGB
- if(img->color_space == CLRSPC_SYCC)
- {
- color_sycc_to_rgb(img);
- }
+ if (img->color_space == CLRSPC_SYCC) {
+ color_sycc_to_rgb(img);
+ }
#endif
- if(img->icc_profile_buf)
- {
+ if (img->icc_profile_buf) {
#if defined(OPJ_HAVE_LIBLCMS1) || defined(OPJ_HAVE_LIBLCMS2)
- color_apply_icc_profile(img);
+ color_apply_icc_profile(img);
#endif
- free(img->icc_profile_buf);
- img->icc_profile_buf = NULL; img->icc_profile_len = 0;
- }
+ free(img->icc_profile_buf);
+ img->icc_profile_buf = NULL;
+ img->icc_profile_len = 0;
+ }
+
+ if (((img->numcomps == 3) && (img->comps[0].dx == img->comps[1].dx / 2)
+ && (img->comps[0].dx == img->comps[2].dx / 2) && (img->comps[0].dx == 1))
+ || (img->numcomps == 1)) {
+
+ if (!imagetoyuv(img, argv[2])) { /* Convert image to YUV */
+ return 1;
+ }
+ } else if ((img->numcomps == 3) &&
+ (img->comps[0].dx == 1) && (img->comps[1].dx == 1) &&
+ (img->comps[2].dx == 1)) { /* If YUV 4:4:4 input --> to bmp */
+ fprintf(stdout,
+ "The frames will be output in a bmp format (output_1.bmp, ...)\n");
+ sprintf(outfilename, "output_%d.bmp", snum);
+ if (imagetobmp(img, outfilename)) { /* Convert image to BMP */
+ return 1;
+ }
+
+ } else {
+ fprintf(stdout,
+ "Image component dimensions are unknown. Unable to output image\n");
+ fprintf(stdout,
+ "The frames will be output in a j2k file (output_1.j2k, ...)\n");
+
+ sprintf(outfilename, "output_%d.j2k", snum);
+ outfile = fopen(outfilename, "wb");
+ if (!outfile) {
+ fprintf(stderr, "failed to open %s for writing\n", outfilename);
+ return 1;
+ }
+ fwrite(frame_codestream, sample->sample_size - 8, 1, outfile);
+ fclose(outfile);
+ }
+ /* close the byte stream */
+ opj_cio_close(cio);
+ /* free image data structure */
+ opj_image_destroy(img);
+ elapsed_time = opj_clock() - init_time;
+ fprintf(stderr, "Frame number %d/%d decoded in %.2f mseconds\n", snum + 1,
+ numframes, elapsed_time * 1000);
+ total_time += elapsed_time;
- if (((img->numcomps == 3) && (img->comps[0].dx == img->comps[1].dx / 2)
- && (img->comps[0].dx == img->comps[2].dx / 2 ) && (img->comps[0].dx == 1))
- || (img->numcomps == 1)) {
-
- if (!imagetoyuv(img, argv[2])) /* Convert image to YUV */
- return 1;
- }
- else if ((img->numcomps == 3) &&
- (img->comps[0].dx == 1) && (img->comps[1].dx == 1)&&
- (img->comps[2].dx == 1))/* If YUV 4:4:4 input --> to bmp */
- {
- fprintf(stdout,"The frames will be output in a bmp format (output_1.bmp, ...)\n");
- sprintf(outfilename,"output_%d.bmp",snum);
- if (imagetobmp(img, outfilename)) /* Convert image to BMP */
- return 1;
-
}
- else {
- fprintf(stdout,"Image component dimensions are unknown. Unable to output image\n");
- fprintf(stdout,"The frames will be output in a j2k file (output_1.j2k, ...)\n");
-
- sprintf(outfilename,"output_%d.j2k",snum);
- outfile = fopen(outfilename, "wb");
- if (!outfile) {
- fprintf(stderr, "failed to open %s for writing\n",outfilename);
- return 1;
- }
- fwrite(frame_codestream,sample->sample_size-8,1,outfile);
- fclose(outfile);
+
+ free(frame_codestream);
+ fclose(file);
+
+ /* free remaining structures */
+ if (dinfo) {
+ mj2_destroy_decompress((opj_mj2_t*)dinfo->mj2_handle);
}
- /* close the byte stream */
- opj_cio_close(cio);
- /* free image data structure */
- opj_image_destroy(img);
- elapsed_time = opj_clock()-init_time;
- fprintf(stderr, "Frame number %d/%d decoded in %.2f mseconds\n", snum + 1, numframes, elapsed_time*1000);
- total_time += elapsed_time;
-
- }
-
- free(frame_codestream);
- fclose(file);
-
- /* free remaining structures */
- if(dinfo) {
- mj2_destroy_decompress((opj_mj2_t*)dinfo->mj2_handle);
- }
- free(dinfo);
-
- fprintf(stdout, "%d frame(s) correctly decompressed\n", snum);
- fprintf(stdout,"Total decoding time: %.2f seconds (%.1f fps)\n", total_time, (float)numframes/total_time);
-
- return 0;
+ free(dinfo);
+
+ fprintf(stdout, "%d frame(s) correctly decompressed\n", snum);
+ fprintf(stdout, "Total decoding time: %.2f seconds (%.1f fps)\n", total_time,
+ (float)numframes / total_time);
+
+ return 0;
}
projects / openjpeg.git / blobdiff