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 set_param( hnd_t handle, x264_param_t *p_param )
{
mp4_hnd_t *p_mp4 = handle;
uint64_t i_media_timescale;
p_mp4->i_delay_frames = p_param->i_bframe ? (p_param->i_bframe_pyramid ? 2 : 1) : 0;
p_mp4->i_dts_compress_multiplier = p_mp4->b_dts_compress * p_mp4->i_delay_frames + 1;
i_media_timescale = (uint64_t)p_param->i_timebase_den * p_mp4->i_dts_compress_multiplier;
p_mp4->i_time_inc = (uint64_t)p_param->i_timebase_num * p_mp4->i_dts_compress_multiplier;
MP4_FAIL_IF_ERR( i_media_timescale > UINT32_MAX, "MP4 media timescale %"PRIu64" exceeds maximum\n", i_media_timescale );
/* Select brands. */
lsmash_brand_type brands[6] = { 0 };
uint32_t brand_count = 0;
brands[brand_count++] = ISOM_BRAND_TYPE_MP42;
brands[brand_count++] = ISOM_BRAND_TYPE_MP41;
brands[brand_count++] = ISOM_BRAND_TYPE_ISOM;
if( p_mp4->b_use_recovery )
{
brands[brand_count++] = ISOM_BRAND_TYPE_AVC1; /* sdtp, sgpd, sbgp and visual roll recovery grouping */
if( p_param->b_open_gop )
brands[brand_count++] = ISOM_BRAND_TYPE_ISO6; /* cslg and visual random access grouping */
}
/* Set file */
lsmash_file_parameters_t *file_param = &p_mp4->file_param;
file_param->major_brand = brands[0];
file_param->brands = brands;
file_param->brand_count = brand_count;
file_param->minor_version = 0;
MP4_FAIL_IF_ERR( !lsmash_set_file( p_mp4->p_root, file_param ), "failed to add an output file into a ROOT.\n" );
/* Set movie parameters. */
lsmash_movie_parameters_t movie_param;
lsmash_initialize_movie_parameters( &movie_param );
MP4_FAIL_IF_ERR( lsmash_set_movie_parameters( p_mp4->p_root, &movie_param ),
"failed to set movie parameters.\n" );
p_mp4->i_movie_timescale = lsmash_get_movie_timescale( p_mp4->p_root );
MP4_FAIL_IF_ERR( !p_mp4->i_movie_timescale, "movie timescale is broken.\n" );
/* Create a video track. */
p_mp4->i_track = lsmash_create_track( p_mp4->p_root, ISOM_MEDIA_HANDLER_TYPE_VIDEO_TRACK );
MP4_FAIL_IF_ERR( !p_mp4->i_track, "failed to create a video track.\n" );
p_mp4->summary->width = p_param->i_width;
p_mp4->summary->height = p_param->i_height;
uint32_t i_display_width = p_param->i_width << 16;
uint32_t i_display_height = p_param->i_height << 16;
if( p_param->vui.i_sar_width && p_param->vui.i_sar_height )
{
double sar = (double)p_param->vui.i_sar_width / p_param->vui.i_sar_height;
if( sar > 1.0 )
i_display_width *= sar;
else
i_display_height /= sar;
p_mp4->summary->par_h = p_param->vui.i_sar_width;
p_mp4->summary->par_v = p_param->vui.i_sar_height;
}
p_mp4->summary->color.primaries_index = p_param->vui.i_colorprim;
p_mp4->summary->color.transfer_index = p_param->vui.i_transfer;
p_mp4->summary->color.matrix_index = p_param->vui.i_colmatrix >= 0 ? p_param->vui.i_colmatrix : ISOM_MATRIX_INDEX_UNSPECIFIED;
p_mp4->summary->color.full_range = p_param->vui.b_fullrange >= 0 ? p_param->vui.b_fullrange : 0;
/* Set video track parameters. */
lsmash_track_parameters_t track_param;
lsmash_initialize_track_parameters( &track_param );
lsmash_track_mode track_mode = ISOM_TRACK_ENABLED | ISOM_TRACK_IN_MOVIE | ISOM_TRACK_IN_PREVIEW;
track_param.mode = track_mode;
track_param.display_width = i_display_width;
track_param.display_height = i_display_height;
MP4_FAIL_IF_ERR( lsmash_set_track_parameters( p_mp4->p_root, p_mp4->i_track, &track_param ),
"failed to set track parameters for video.\n" );
/* Set video media parameters. */
lsmash_media_parameters_t media_param;
lsmash_initialize_media_parameters( &media_param );
media_param.timescale = i_media_timescale;
media_param.media_handler_name = "L-SMASH Video Media Handler";
if( p_mp4->b_use_recovery )
{
media_param.roll_grouping = p_param->b_intra_refresh;
media_param.rap_grouping = p_param->b_open_gop;
}
MP4_FAIL_IF_ERR( lsmash_set_media_parameters( p_mp4->p_root, p_mp4->i_track, &media_param ),
"failed to set media parameters for video.\n" );
p_mp4->i_video_timescale = lsmash_get_media_timescale( p_mp4->p_root, p_mp4->i_track );
MP4_FAIL_IF_ERR( !p_mp4->i_video_timescale, "media timescale for video is broken.\n" );
return 0;
}
bool fcMP4Muxer::mux(const Params ¶ms)
{
lsmash_root_t *root;
lsmash_file_parameters_t mp4_stream;
lsmash_file_parameters_t h264_stream;
lsmash_brand_type major_brand = ISOM_BRAND_TYPE_MP42;
lsmash_brand_type compatible_brands[2] = { ISOM_BRAND_TYPE_MP42, ISOM_BRAND_TYPE_ISOM };
uint32_t fps_num = params.frame_rate;
uint32_t fps_den = 1;
// 出力 mp4
root = lsmash_create_root();
if (lsmash_open_file(params.out_mp4_path, 0, &mp4_stream) != 0) {
return false;
}
mp4_stream.major_brand = major_brand;
mp4_stream.brands = compatible_brands;
mp4_stream.brand_count = sizeof(compatible_brands) / sizeof(compatible_brands[0]);
mp4_stream.minor_version = 0;
lsmash_set_file(root, &mp4_stream);
lsmash_movie_parameters_t movie_param;
lsmash_initialize_movie_parameters(&movie_param);
lsmash_set_movie_parameters(root, &movie_param);
int track_number = 1;
MP4TrackData track_data[2];
int num_track_data = 0;
if (params.in_h264_path) {
importer_t *h264_importer = lsmash_importer_open(params.in_h264_path, "H.264");
if (h264_importer == nullptr) { return false; }
int h264_track_id = lsmash_create_track(root, ISOM_MEDIA_HANDLER_TYPE_VIDEO_TRACK);
lsmash_track_parameters_t track_param;
lsmash_initialize_track_parameters(&track_param);
(int&)track_param.mode = ISOM_TRACK_IN_MOVIE | ISOM_TRACK_IN_PREVIEW;
int sample_entry = 0;
lsmash_summary_t *summary = lsmash_duplicate_summary(h264_importer, track_number);
auto video_summary = (lsmash_video_summary_t*)summary;
track_param.display_width = video_summary->width << 16;
track_param.display_height = video_summary->height << 16;
lsmash_set_track_parameters(root, h264_track_id, &track_param);
sample_entry = lsmash_add_sample_entry(root, h264_track_id, summary);
auto& td = track_data[num_track_data++];
td.importer = h264_importer;
td.summary = summary;
td.sample_entry = sample_entry;
td.track_number = track_number;
td.track_id = h264_track_id;
td.timescale = video_summary->timescale;
td.timebase = video_summary->timebase;
lsmash_media_parameters_t media_param;
lsmash_initialize_media_parameters(&media_param);
media_param.timescale = td.timescale;
lsmash_set_media_parameters(root, h264_track_id, &media_param);
}
if (params.in_aac_path) {
importer_t *aac_importer = lsmash_importer_open(params.in_aac_path, "adts");
if (aac_importer == nullptr) { return false; }
int aac_track_id = lsmash_create_track(root, ISOM_MEDIA_HANDLER_TYPE_AUDIO_TRACK);
lsmash_track_parameters_t track_param;
lsmash_initialize_track_parameters(&track_param);
(int&)track_param.mode = ISOM_TRACK_IN_MOVIE | ISOM_TRACK_IN_PREVIEW;
int sample_entry = 0;
lsmash_summary_t *summary = lsmash_duplicate_summary(aac_importer, track_number);
auto audio_summary = (lsmash_audio_summary_t*)summary;
lsmash_set_track_parameters(root, aac_track_id, &track_param);
sample_entry = lsmash_add_sample_entry(root, aac_track_id, summary);
auto& td = track_data[num_track_data++];
td.importer = aac_importer;
td.summary = summary;
td.sample_entry = sample_entry;
td.track_number = track_number;
td.track_id = aac_track_id;
td.timescale = audio_summary->frequency;
td.timebase = 1;
lsmash_media_parameters_t media_param;
lsmash_initialize_media_parameters(&media_param);
media_param.timescale = td.timescale;
lsmash_set_media_parameters(root, aac_track_id, &media_param);
}
double largest_dts = 0.0;
uint32_t num_consecutive_sample_skip = 0;
for (int ti = 0;;) {
auto &td = track_data[ti];
if (!td.sample) {
int ret = lsmash_importer_get_access_unit(td.importer, td.track_number, &td.sample);
if (ret <= -1) // error
{
lsmash_delete_sample(td.sample);
break;
}
else if (ret == 1) /* a change of stream's properties */
{
lsmash_cleanup_summary(td.summary);
td.summary = lsmash_duplicate_summary(td.importer, td.track_number);
td.sample_entry = lsmash_add_sample_entry(root, td.track_id, td.summary);
if (!td.sample_entry) { break; }
}
else if (ret == 2) /* EOF */
{
lsmash_delete_sample(td.sample);
break;
}
if (td.sample)
{
td.sample->index = td.sample_entry;
td.sample->dts *= td.timebase;
td.sample->cts *= td.timebase;
td.dts = (double)td.sample->dts / td.timescale;
}
}
if (td.sample) {
if (td.dts <= largest_dts || num_consecutive_sample_skip == num_track_data)
{
uint64_t sample_size = td.sample->length;
uint64_t sample_dts = td.sample->dts;
uint64_t sample_cts = td.sample->cts;
if (lsmash_append_sample(root, td.track_id, td.sample)) {
return false;
}
td.prev_dts = sample_dts;
td.sample = nullptr;
largest_dts = std::max<double>(largest_dts, td.dts);
num_consecutive_sample_skip = 0;
}
else {
// skip
++num_consecutive_sample_skip;
}
}
ti = (ti + 1) % num_track_data;
}
for (int i = 0; i < num_track_data; ++i) {
lsmash_flush_pooled_samples(root, track_data[i].track_id, fps_den);
lsmash_cleanup_summary(track_data[i].summary);
lsmash_importer_close(track_data[i].importer);
}
lsmash_finish_movie(root, nullptr);
lsmash_close_file(&mp4_stream);
lsmash_destroy_root(root);
return true;
}
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;
}
