void LSMASHVideoSource::get_video_track( const char *source, uint32_t track_number, int threads, IScriptEnvironment *env )
{
uint32_t number_of_tracks = open_file( source, env );
if( track_number && track_number > number_of_tracks )
env->ThrowError( "LSMASHVideoSource: the number of tracks equals %I32u.", number_of_tracks );
/* L-SMASH */
uint32_t i;
lsmash_media_parameters_t media_param;
if( track_number == 0 )
{
/* Get the first video track. */
for( i = 1; i <= number_of_tracks; i++ )
{
vdh.track_ID = lsmash_get_track_ID( vdh.root, i );
if( vdh.track_ID == 0 )
env->ThrowError( "LSMASHVideoSource: failed to find video track." );
lsmash_initialize_media_parameters( &media_param );
if( lsmash_get_media_parameters( vdh.root, vdh.track_ID, &media_param ) )
env->ThrowError( "LSMASHVideoSource: failed to get media parameters." );
if( media_param.handler_type == ISOM_MEDIA_HANDLER_TYPE_VIDEO_TRACK )
break;
}
if( i > number_of_tracks )
env->ThrowError( "LSMASHVideoSource: failed to find video track." );
}
else
{
/* Get the desired video track. */
vdh.track_ID = lsmash_get_track_ID( vdh.root, track_number );
if( vdh.track_ID == 0 )
env->ThrowError( "LSMASHVideoSource: failed to find video track." );
lsmash_initialize_media_parameters( &media_param );
if( lsmash_get_media_parameters( vdh.root, vdh.track_ID, &media_param ) )
env->ThrowError( "LSMASHVideoSource: failed to get media parameters." );
if( media_param.handler_type != ISOM_MEDIA_HANDLER_TYPE_VIDEO_TRACK )
env->ThrowError( "LSMASHVideoSource: the track you specified is not a video track." );
}
if( lsmash_construct_timeline( vdh.root, vdh.track_ID ) )
env->ThrowError( "LSMASHVideoSource: failed to get construct timeline." );
if( get_summaries( vdh.root, vdh.track_ID, &vdh.config ) )
env->ThrowError( "LSMASHVideoSource: failed to get summaries." );
vi.num_frames = lsmash_get_sample_count_in_media_timeline( vdh.root, vdh.track_ID );
setup_timestamp_info( &vdh, &vi, media_param.timescale, env );
/* libavformat */
for( i = 0; i < format_ctx->nb_streams && format_ctx->streams[i]->codec->codec_type != AVMEDIA_TYPE_VIDEO; i++ );
if( i == format_ctx->nb_streams )
env->ThrowError( "LSMASHVideoSource: failed to find stream by libavformat." );
/* libavcodec */
AVStream *stream = format_ctx->streams[i];
AVCodecContext *ctx = stream->codec;
vdh.config.ctx = ctx;
AVCodec *codec = avcodec_find_decoder( ctx->codec_id );
if( !codec )
env->ThrowError( "LSMASHVideoSource: failed to find %s decoder.", codec->name );
ctx->thread_count = threads;
if( avcodec_open2( ctx, codec, NULL ) < 0 )
env->ThrowError( "LSMASHVideoSource: failed to avcodec_open2." );
}
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;
}
void LSMASHAudioSource::get_audio_track( const char *source, uint32_t track_number, bool skip_priming, IScriptEnvironment *env )
{
uint32_t number_of_tracks = open_file( source, env );
if( track_number && track_number > number_of_tracks )
env->ThrowError( "LSMASHAudioSource: the number of tracks equals %I32u.", number_of_tracks );
/* L-SMASH */
uint32_t i;
lsmash_media_parameters_t media_param;
if( track_number == 0 )
{
/* Get the first audio track. */
for( i = 1; i <= number_of_tracks; i++ )
{
adh.track_ID = lsmash_get_track_ID( adh.root, i );
if( adh.track_ID == 0 )
env->ThrowError( "LSMASHAudioSource: failed to find audio track." );
lsmash_initialize_media_parameters( &media_param );
if( lsmash_get_media_parameters( adh.root, adh.track_ID, &media_param ) )
env->ThrowError( "LSMASHAudioSource: failed to get media parameters." );
if( media_param.handler_type == ISOM_MEDIA_HANDLER_TYPE_AUDIO_TRACK )
break;
}
if( i > number_of_tracks )
env->ThrowError( "LSMASHAudioSource: failed to find audio track." );
}
else
{
/* Get the desired audio track. */
adh.track_ID = lsmash_get_track_ID( adh.root, track_number );
if( adh.track_ID == 0 )
env->ThrowError( "LSMASHAudioSource: failed to find audio track." );
lsmash_initialize_media_parameters( &media_param );
if( lsmash_get_media_parameters( adh.root, adh.track_ID, &media_param ) )
env->ThrowError( "LSMASHAudioSource: failed to get media parameters." );
if( media_param.handler_type != ISOM_MEDIA_HANDLER_TYPE_AUDIO_TRACK )
env->ThrowError( "LSMASHAudioSource: the track you specified is not an audio track." );
}
if( lsmash_construct_timeline( adh.root, adh.track_ID ) )
env->ThrowError( "LSMASHAudioSource: failed to get construct timeline." );
if( get_summaries( adh.root, adh.track_ID, &adh.config ) )
env->ThrowError( "LSMASHAudioSource: failed to get summaries." );
adh.frame_count = lsmash_get_sample_count_in_media_timeline( adh.root, adh.track_ID );
vi.num_audio_samples = lsmash_get_media_duration_from_media_timeline( adh.root, adh.track_ID );
if( skip_priming )
{
uint32_t itunes_metadata_count = lsmash_count_itunes_metadata( adh.root );
for( i = 1; i <= itunes_metadata_count; i++ )
{
lsmash_itunes_metadata_t metadata;
if( lsmash_get_itunes_metadata( adh.root, i, &metadata ) < 0 )
continue;
if( metadata.item != ITUNES_METADATA_ITEM_CUSTOM
|| (metadata.type != ITUNES_METADATA_TYPE_STRING && metadata.type != ITUNES_METADATA_TYPE_BINARY)
|| !metadata.meaning || !metadata.name
|| memcmp( "com.apple.iTunes", metadata.meaning, strlen( metadata.meaning ) )
|| memcmp( "iTunSMPB", metadata.name, strlen( metadata.name ) ) )
{
lsmash_cleanup_itunes_metadata( &metadata );
continue;
}
char *value = NULL;
if( metadata.type == ITUNES_METADATA_TYPE_STRING )
{
int length = strlen( metadata.value.string );
if( length >= 116 )
value = duplicate_as_string( metadata.value.string, length );
}
else /* metadata.type == ITUNES_METADATA_TYPE_BINARY */
{
if( metadata.value.binary.size >= 116 )
value = duplicate_as_string( metadata.value.binary.data, metadata.value.binary.size );
}
lsmash_cleanup_itunes_metadata( &metadata );
if( !value )
continue;
uint32_t dummy[9];
uint32_t priming_samples;
uint32_t padding;
uint64_t duration;
if( 12 != sscanf( value, " %I32x %I32x %I32x %I64x %I32x %I32x %I32x %I32x %I32x %I32x %I32x %I32x",
&dummy[0], &priming_samples, &padding, &duration, &dummy[1], &dummy[2],
&dummy[3], &dummy[4], &dummy[5], &dummy[6], &dummy[7], &dummy[8] ) )
{
delete [] value;
continue;
}
delete [] value;
adh.implicit_preroll = 1;
aoh.skip_decoded_samples = priming_samples;
vi.num_audio_samples = duration + priming_samples;
break;
}
if( aoh.skip_decoded_samples == 0 )
{
uint32_t ctd_shift;
if( lsmash_get_composition_to_decode_shift_from_media_timeline( adh.root, adh.track_ID, &ctd_shift ) )
env->ThrowError( "LSMASHAudioSource: failed to get the timeline shift." );
aoh.skip_decoded_samples = ctd_shift + get_start_time( adh.root, adh.track_ID );
}
}
/* libavformat */
for( i = 0; i < format_ctx->nb_streams && format_ctx->streams[i]->codec->codec_type != AVMEDIA_TYPE_AUDIO; i++ );
if( i == format_ctx->nb_streams )
env->ThrowError( "LSMASHAudioSource: failed to find stream by libavformat." );
/* libavcodec */
AVStream *stream = format_ctx->streams[i];
AVCodecContext *ctx = stream->codec;
adh.config.ctx = ctx;
AVCodec *codec = avcodec_find_decoder( ctx->codec_id );
if( !codec )
env->ThrowError( "LSMASHAudioSource: failed to find %s decoder.", codec->name );
ctx->thread_count = 0;
if( avcodec_open2( ctx, codec, NULL ) < 0 )
env->ThrowError( "LSMASHAudioSource: failed to avcodec_open2." );
}
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;
}