uint32_t LSMASHVideoSource::open_file( const char *source, IScriptEnvironment *env ) { /* L-SMASH */ vdh.root = lsmash_open_movie( source, LSMASH_FILE_MODE_READ ); if( !vdh.root ) env->ThrowError( "LSMASHVideoSource: failed to lsmash_open_movie." ); lsmash_movie_parameters_t movie_param; lsmash_initialize_movie_parameters( &movie_param ); lsmash_get_movie_parameters( vdh.root, &movie_param ); if( movie_param.number_of_tracks == 0 ) env->ThrowError( "LSMASHVideoSource: the number of tracks equals 0." ); /* libavformat */ av_register_all(); avcodec_register_all(); if( avformat_open_input( &format_ctx, source, NULL, NULL ) ) env->ThrowError( "LSMASHVideoSource: failed to avformat_open_input." ); if( avformat_find_stream_info( format_ctx, NULL ) < 0 ) env->ThrowError( "LSMASHVideoSource: failed to avformat_find_stream_info." ); /* */ lw_log_handler_t *lhp = &vdh.config.lh; lhp->level = LW_LOG_FATAL; lhp->show_log = throw_error; return movie_param.number_of_tracks; }
int main( int argc, char *argv[] ) { if ( argc < 2 ) { display_help(); return -1; } else if( !strcasecmp( argv[1], "-h" ) || !strcasecmp( argv[1], "--help" ) ) { display_help(); return 0; } else if( !strcasecmp( argv[1], "-v" ) || !strcasecmp( argv[1], "--version" ) ) { display_version(); return 0; } int dump_box = 1; int chapter = 0; char *filename; lsmash_get_mainargs( &argc, &argv ); if( argc > 2 ) { if( !strcasecmp( argv[1], "--box" ) ) DO_NOTHING; else if( !strcasecmp( argv[1], "--chapter" ) ) chapter = 1; else if( !strcasecmp( argv[1], "--timestamp" ) ) dump_box = 0; else { display_help(); return -1; } filename = argv[2]; } else { filename = argv[1]; } /* Open the input file. */ lsmash_root_t *root = lsmash_create_root(); if( !root ) { fprintf( stderr, "Failed to create a ROOT.\n" ); return -1; } lsmash_file_parameters_t file_param = { 0 }; if( lsmash_open_file( filename, 1, &file_param ) < 0 ) return BOXDUMPER_ERR( "Failed to open an input file.\n" ); if( dump_box ) file_param.mode |= LSMASH_FILE_MODE_DUMP; lsmash_file_t *file = lsmash_set_file( root, &file_param ); if( !file ) return BOXDUMPER_ERR( "Failed to add a file into a ROOT.\n" ); if( lsmash_read_file( file, &file_param ) < 0 ) return BOXDUMPER_ERR( "Failed to read a file\n" ); /* Dump the input file. */ if( chapter ) { if( lsmash_print_chapter_list( root ) ) return BOXDUMPER_ERR( "Failed to extract chapter.\n" ); } else if( dump_box ) { if( lsmash_print_movie( root, "-" ) ) return BOXDUMPER_ERR( "Failed to dump box structure.\n" ); } else { lsmash_movie_parameters_t movie_param; lsmash_initialize_movie_parameters( &movie_param ); lsmash_get_movie_parameters( root, &movie_param ); uint32_t num_tracks = movie_param.number_of_tracks; for( uint32_t track_number = 1; track_number <= num_tracks; track_number++ ) { uint32_t track_ID = lsmash_get_track_ID( root, track_number ); if( !track_ID ) return BOXDUMPER_ERR( "Failed to get track_ID.\n" ); lsmash_media_parameters_t media_param; lsmash_initialize_media_parameters( &media_param ); if( lsmash_get_media_parameters( root, track_ID, &media_param ) ) return BOXDUMPER_ERR( "Failed to get media parameters.\n" ); if( lsmash_construct_timeline( root, track_ID ) ) return BOXDUMPER_ERR( "Failed to construct timeline.\n" ); uint32_t timeline_shift; if( lsmash_get_composition_to_decode_shift_from_media_timeline( root, track_ID, &timeline_shift ) ) return BOXDUMPER_ERR( "Failed to get timestamps.\n" ); lsmash_media_ts_list_t ts_list; if( lsmash_get_media_timestamps( root, track_ID, &ts_list ) ) return BOXDUMPER_ERR( "Failed to get timestamps.\n" ); fprintf( stdout, "track_ID: %"PRIu32"\n", track_ID ); fprintf( stdout, "Media timescale: %"PRIu32"\n", media_param.timescale ); lsmash_media_ts_t *ts_array = ts_list.timestamp; if( !ts_array ) { fprintf( stdout, "\n" ); continue; } for( uint32_t i = 0; i < ts_list.sample_count; i++ ) fprintf( stdout, "DTS = %"PRIu64", CTS = %"PRIu64"\n", ts_array[i].dts, ts_array[i].cts + timeline_shift ); lsmash_free( ts_array ); fprintf( stdout, "\n" ); } } lsmash_destroy_root( root ); return 0; }
static int wave_importer_probe( importer_t *importer ) { wave_importer_t *wave_imp = create_wave_importer( importer ); if( !wave_imp ) return LSMASH_ERR_MEMORY_ALLOC; int err = 0; uint32_t filesize; lsmash_bs_t *bs = importer->bs; if( lsmash_bs_get_be32( bs ) != LSMASH_4CC( 'R', 'I', 'F', 'F' ) || ((filesize = lsmash_bs_get_le32( bs ) + 8) < WAVE_MIN_FILESIZE && filesize > 8) || lsmash_bs_get_be32( bs ) != LSMASH_4CC( 'W', 'A', 'V', 'E' ) ) { err = LSMASH_ERR_INVALID_DATA; goto fail; } int fmt_chunk_present = 0; int data_chunk_present = 0; while( !bs->eob && !(fmt_chunk_present && data_chunk_present) ) { uint32_t ckID = lsmash_bs_get_be32( bs ); uint32_t ckSize = lsmash_bs_get_le32( bs ); lsmash_bs_reset_counter( bs ); switch( ckID ) { case LSMASH_4CC( 'f', 'm', 't', ' ' ) : if( ckSize < 16 ) { err = LSMASH_ERR_INVALID_DATA; goto fail; } if( (err = wave_parse_fmt_chunk( wave_imp, bs )) < 0 ) goto fail; fmt_chunk_present = 1; break; case LSMASH_4CC( 'd', 'a', 't', 'a' ) : if( !fmt_chunk_present ) { /* The 'fmt ' chunk must be present before the 'data' chunk. */ err = LSMASH_ERR_INVALID_DATA; goto fail; } wave_imp->chunk.data_offset = lsmash_bs_get_stream_pos( bs ); wave_imp->chunk.length = ckSize; wave_imp->chunk.number = 1; wave_imp->chunk.file = importer->file; wave_imp->number_of_samples = ckSize / wave_imp->fmt.wfx.nBlockAlign; data_chunk_present = 1; break; default : break; } if( !data_chunk_present ) { /* Skip the rest of this chunk. * Note that ckData is word-aligned even if ckSize is an odd number. */ uint32_t skip_size = ckSize; if( skip_size & 1 ) skip_size++; if( skip_size > lsmash_bs_count( bs ) ) { skip_size -= lsmash_bs_count( bs ); lsmash_bs_read_seek( bs, skip_size, SEEK_CUR ); } } } if( !(fmt_chunk_present && data_chunk_present) ) { err = LSMASH_ERR_INVALID_DATA; goto fail; } /* Make fake movie. * Treat WAVE file format as if it's QuickTime file format. */ uint32_t track_ID; lsmash_movie_parameters_t movie_param = { 0 }; lsmash_track_parameters_t track_param = { 0 }; lsmash_media_parameters_t media_param = { 0 }; importer->file->qt_compatible = 1; if( (err = lsmash_importer_make_fake_movie( importer )) < 0 || (err = lsmash_importer_make_fake_track( importer, ISOM_MEDIA_HANDLER_TYPE_AUDIO_TRACK, &track_ID )) < 0 || (err = lsmash_get_movie_parameters( importer->root, &movie_param )) < 0 || (err = lsmash_get_track_parameters( importer->root, track_ID, &track_param )) < 0 || (err = lsmash_get_media_parameters( importer->root, track_ID, &media_param )) < 0 ) goto fail; movie_param.timescale = wave_imp->fmt.wfx.nSamplesPerSec; media_param.timescale = wave_imp->fmt.wfx.nSamplesPerSec; if( (err = lsmash_set_movie_parameters( importer->root, &movie_param )) < 0 || (err = lsmash_set_track_parameters( importer->root, track_ID, &track_param )) < 0 || (err = lsmash_set_media_parameters( importer->root, track_ID, &media_param )) < 0 ) goto fail; lsmash_audio_summary_t *summary = wave_create_summary( &wave_imp->fmt ); if( !summary || lsmash_add_sample_entry( importer->root, track_ID, summary ) != 1 ) { lsmash_cleanup_summary( (lsmash_summary_t *)summary ); err = LSMASH_ERR_NAMELESS; goto fail; } if( (err = lsmash_add_entry( importer->summaries, summary )) < 0 ) { lsmash_cleanup_summary( (lsmash_summary_t *)summary ); goto fail; } importer->info = wave_imp; importer->status = IMPORTER_OK; return 0; fail: lsmash_importer_break_fake_movie( importer ); remove_wave_importer( wave_imp ); importer->file->qt_compatible = 0; importer->info = NULL; return err; }
int main( int argc, char *argv[] ) { if( argc < 2 ) return print_help( -1 ); int dump_box = 1; int chapter = 0; char *filename; if( argc > 2 ) { if( !strcasecmp( argv[1], "--box" ) ) DO_NOTHING; else if( !strcasecmp( argv[1], "--chapter" ) ) chapter = 1; else if( !strcasecmp( argv[1], "--timestamp" ) ) dump_box = 0; else return print_help( -1 ); filename = argv[2]; } else { if( !strcasecmp( argv[1], "-h" ) || !strcasecmp( argv[1], "--help" ) ) return print_help( 0 ); filename = argv[1]; } #ifdef _WIN32 _setmode( _fileno(stdin), _O_BINARY ); #endif lsmash_file_mode mode = LSMASH_FILE_MODE_READ; if( dump_box ) mode |= LSMASH_FILE_MODE_DUMP; lsmash_root_t *root = lsmash_open_movie( filename, mode ); if( !root ) { fprintf( stderr, "Failed to open input file.\n" ); return -1; } if( chapter ) { if( lsmash_print_chapter_list( root ) ) return BOXDUMPER_ERR( "Failed to extract chapter.\n" ); } else if( dump_box ) { if( lsmash_print_movie( root, "-" ) ) return BOXDUMPER_ERR( "Failed to dump box structure.\n" ); } else { lsmash_movie_parameters_t movie_param; lsmash_initialize_movie_parameters( &movie_param ); lsmash_get_movie_parameters( root, &movie_param ); uint32_t num_tracks = movie_param.number_of_tracks; for( uint32_t track_number = 1; track_number <= num_tracks; track_number++ ) { uint32_t track_ID = lsmash_get_track_ID( root, track_number ); if( !track_ID ) return BOXDUMPER_ERR( "Failed to get track_ID.\n" ); lsmash_media_parameters_t media_param; lsmash_initialize_media_parameters( &media_param ); if( lsmash_get_media_parameters( root, track_ID, &media_param ) ) return BOXDUMPER_ERR( "Failed to get media parameters.\n" ); if( lsmash_construct_timeline( root, track_ID ) ) return BOXDUMPER_ERR( "Failed to construct timeline.\n" ); uint32_t timeline_shift; if( lsmash_get_composition_to_decode_shift_from_media_timeline( root, track_ID, &timeline_shift ) ) return BOXDUMPER_ERR( "Failed to get timestamps.\n" ); lsmash_media_ts_list_t ts_list; if( lsmash_get_media_timestamps( root, track_ID, &ts_list ) ) return BOXDUMPER_ERR( "Failed to get timestamps.\n" ); fprintf( stdout, "track_ID: %"PRIu32"\n", track_ID ); fprintf( stdout, "Media timescale: %"PRIu32"\n", media_param.timescale ); lsmash_media_ts_t *ts_array = ts_list.timestamp; if( !ts_array ) { fprintf( stdout, "\n" ); continue; } for( uint32_t i = 0; i < ts_list.sample_count; i++ ) fprintf( stdout, "DTS = %"PRIu64", CTS = %"PRIu64"\n", ts_array[i].dts, ts_array[i].cts + timeline_shift ); free( ts_array ); fprintf( stdout, "\n" ); } } lsmash_destroy_root( root ); return 0; }