diff options
| author | Antonin Descampe <antonin@gmail.com> | 2016-01-25 23:22:06 +0100 |
|---|---|---|
| committer | Antonin Descampe <antonin@gmail.com> | 2016-01-25 23:22:06 +0100 |
| commit | 0febbff19e05cb1a6c2613eee76ad46a669c96cd (patch) | |
| tree | b6442d01348e2ba6404d0fd6abcc4eb6d6cc1390 /src/bin/mj2/opj_mj2_extract.c | |
| parent | bede1568b197021bb576b935422af6c1d0a79e21 (diff) | |
processed all c/h files through astyle with opj_astyle.cfgcodingstyle
Diffstat (limited to 'src/bin/mj2/opj_mj2_extract.c')
| -rw-r--r-- | src/bin/mj2/opj_mj2_extract.c | 191 |
1 files changed, 97 insertions, 94 deletions
diff --git a/src/bin/mj2/opj_mj2_extract.c b/src/bin/mj2/opj_mj2_extract.c index 25e6b79b..cb95788f 100644 --- a/src/bin/mj2/opj_mj2_extract.c +++ b/src/bin/mj2/opj_mj2_extract.c @@ -1,12 +1,12 @@ /* - * The copyright in this software is being made available under the 2-clauses - * BSD License, included below. This software may be subject to other third + * The copyright in this software is being made available under the 2-clauses + * BSD License, included below. This software may be subject to other third * party and contributor rights, including patent rights, and no such rights * are granted under this license. * * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium * Copyright (c) 2002-2014, Professor Benoit Macq - * Copyright (c) 2003-2007, Francois-Olivier Devaux + * Copyright (c) 2003-2007, Francois-Olivier Devaux * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -46,110 +46,113 @@ /** sample error callback expecting a FILE* client object */ -void error_callback(const char *msg, void *client_data) { - FILE *stream = (FILE*)client_data; - fprintf(stream, "[ERROR] %s", msg); +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 */ -void warning_callback(const char *msg, void *client_data) { - FILE *stream = (FILE*)client_data; - fprintf(stream, "[WARNING] %s", msg); +void warning_callback(const char *msg, void *client_data) +{ + FILE *stream = (FILE*)client_data; + fprintf(stream, "[WARNING] %s", msg); } /** sample debug callback expecting a FILE* client object */ -void info_callback(const char *msg, void *client_data) { - FILE *stream = (FILE*)client_data; - fprintf(stream, "[INFO] %s", msg); +void info_callback(const char *msg, void *client_data) +{ + FILE *stream = (FILE*)client_data; + fprintf(stream, "[INFO] %s", msg); } /* -------------------------------------------------------------------------- */ -int main(int argc, char *argv[]) { - opj_dinfo_t* dinfo; - opj_event_mgr_t event_mgr; /* event manager */ - int tnum; - unsigned int snum; - opj_mj2_t *movie; - mj2_tk_t *track; - mj2_sample_t *sample; - unsigned char* frame_codestream; - FILE *file, *outfile; - char outfilename[50]; - mj2_dparameters_t parameters; - - if (argc != 3) { - printf("Usage: %s mj2filename output_location\n",argv[0]); - printf("Example: %s foreman.mj2 output/foreman\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; - } - - /* - 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 = info_callback; - - /* get a MJ2 decompressor handle */ - dinfo = mj2_create_decompress(); - - /* catch events using our callbacks and give a local context */ - opj_set_event_mgr((opj_common_ptr)dinfo, &event_mgr, stderr); - - /* setup the decoder decoding parameters using user parameters */ - memset(¶meters, 0, sizeof(mj2_dparameters_t)); - movie = (opj_mj2_t*) dinfo->mj2_handle; - mj2_setup_decoder(movie, ¶meters); - - if (mj2_read_struct(file, movie)) /* Creating the movie structure*/ - return 1; - - /* Decode first video track */ - tnum = 0; - while (movie->tk[tnum].track_type != 0) - tnum ++; - - track = &movie->tk[tnum]; - - fprintf(stdout,"Extracting %d frames from file...\n",track->num_samples); - - for (snum=0; snum < track->num_samples; snum++) - { - sample = &track->sample[snum]; - frame_codestream = (unsigned char*) malloc (sample->sample_size-8); /* Skipping JP2C marker*/ - fseek(file,sample->offset+8,SEEK_SET); - fread(frame_codestream,sample->sample_size-8,1, file); /* Assuming that jp and ftyp markers size do*/ - - sprintf(outfilename,"%s_%05d.j2k",argv[2],snum); - outfile = fopen(outfilename, "wb"); - if (!outfile) { - fprintf(stderr, "failed to open %s for writing\n",outfilename); - return 1; +int main(int argc, char *argv[]) +{ + opj_dinfo_t* dinfo; + opj_event_mgr_t event_mgr; /* event manager */ + int tnum; + unsigned int snum; + opj_mj2_t *movie; + mj2_tk_t *track; + mj2_sample_t *sample; + unsigned char* frame_codestream; + FILE *file, *outfile; + char outfilename[50]; + mj2_dparameters_t parameters; + + if (argc != 3) { + printf("Usage: %s mj2filename output_location\n",argv[0]); + printf("Example: %s foreman.mj2 output/foreman\n",argv[0]); + return 1; } - fwrite(frame_codestream,sample->sample_size-8,1,outfile); - fclose(outfile); - free(frame_codestream); + + file = fopen(argv[1], "rb"); + + if (!file) { + fprintf(stderr, "failed to open %s for reading\n", argv[1]); + return 1; + } + + /* + 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 = info_callback; + + /* get a MJ2 decompressor handle */ + dinfo = mj2_create_decompress(); + + /* catch events using our callbacks and give a local context */ + opj_set_event_mgr((opj_common_ptr)dinfo, &event_mgr, stderr); + + /* setup the decoder decoding parameters using user parameters */ + memset(¶meters, 0, sizeof(mj2_dparameters_t)); + movie = (opj_mj2_t*) dinfo->mj2_handle; + mj2_setup_decoder(movie, ¶meters); + + if (mj2_read_struct(file, movie)) /* Creating the movie structure*/ + return 1; + + /* Decode first video track */ + tnum = 0; + while (movie->tk[tnum].track_type != 0) + tnum ++; + + track = &movie->tk[tnum]; + + fprintf(stdout,"Extracting %d frames from file...\n",track->num_samples); + + for (snum=0; snum < track->num_samples; snum++) { + sample = &track->sample[snum]; + frame_codestream = (unsigned char*) malloc (sample->sample_size-8); /* Skipping JP2C marker*/ + fseek(file,sample->offset+8,SEEK_SET); + fread(frame_codestream,sample->sample_size-8,1, file); /* Assuming that jp and ftyp markers size do*/ + + sprintf(outfilename,"%s_%05d.j2k",argv[2],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); - fprintf(stdout, "%d frames correctly extracted\n", snum); - - /* free remaining structures */ - if(dinfo) { - mj2_destroy_decompress((opj_mj2_t*)dinfo->mj2_handle); - } - - return 0; + fclose(file); + fprintf(stdout, "%d frames correctly extracted\n", snum); + + /* free remaining structures */ + if(dinfo) { + mj2_destroy_decompress((opj_mj2_t*)dinfo->mj2_handle); + } + + return 0; } |
