diff options
Diffstat (limited to 'src/bin/mj2/opj_mj2_decompress.c')
| -rw-r--r-- | src/bin/mj2/opj_mj2_decompress.c | 344 |
1 files changed, 171 insertions, 173 deletions
diff --git a/src/bin/mj2/opj_mj2_decompress.c b/src/bin/mj2/opj_mj2_decompress.c index 086918c7..2168622a 100644 --- a/src/bin/mj2/opj_mj2_decompress.c +++ b/src/bin/mj2/opj_mj2_decompress.c @@ -50,196 +50,194 @@ /** 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; } |