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muxer.c
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muxer.c
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/*****************************************************************************
* muxer.c
*****************************************************************************
* Copyright (C) 2010-2017 L-SMASH project
*
* Authors: Yusuke Nakamura <muken.the.vfrmaniac@gmail.com>
* Takashi Hirata <silverfilain@gmail.com>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*****************************************************************************/
/* This file is available under an ISC license. */
#include "cli.h"
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <stdlib.h>
#include <inttypes.h>
#include "importer/importer.h"
#define MAX_NUM_OF_BRANDS 50
#define MAX_NUM_OF_INPUTS 10
#define MAX_NUM_OF_TRACKS 1
typedef struct
{
char *album_name;
char *artist;
char *comment;
char *release_date;
char *encoder;
char *genre;
char *lyrics;
char *title;
char *composer;
char *album_artist;
char *copyright;
char *description;
char *grouping;
uint32_t beats_per_minute;
} itunes_metadata_t;
typedef struct
{
int help;
int version;
int isom;
int isom_version;
int itunes_movie;
int qtff;
int brand_3gx;
int optimize_pd;
int timeline_shift;
int compact_size_table;
uint32_t interleave;
uint32_t movie_timescale;
uint32_t num_of_brands;
uint32_t brands[MAX_NUM_OF_BRANDS];
uint32_t major_brand;
uint32_t minor_version;
uint32_t num_of_inputs;
uint32_t chap_track;
char *chap_file;
int add_bom_to_chpl;
char *copyright_notice;
uint16_t copyright_language;
itunes_metadata_t itunes_metadata;
uint16_t default_language;
} option_t;
typedef struct
{
char *raws;
int disable;
int sbr;
int user_fps;
uint32_t fps_num;
uint32_t fps_den;
uint32_t encoder_delay;
int16_t alternate_group;
uint16_t ISO_language;
uint16_t copyright_language;
char *copyright_notice;
char *handler_name;
uint32_t par_h;
uint32_t par_v;
} input_track_option_t;
typedef struct
{
lsmash_summary_t *summary;
input_track_option_t opt;
int active;
int lpcm;
} input_track_t;
typedef struct
{
char *whole_track_option;
int num_of_track_delimiters;
} input_option_t;
typedef struct
{
input_option_t opt;
lsmash_root_t *root;
char *file_name;
importer_t *importer;
input_track_t track[MAX_NUM_OF_TRACKS];
uint32_t num_of_tracks;
uint32_t num_of_active_tracks;
uint32_t current_track_number;
} input_t;
typedef struct
{
lsmash_summary_t *summary;
lsmash_sample_t *sample;
int active;
uint32_t track_ID;
uint32_t timescale;
uint32_t timebase;
uint32_t sample_entry;
uint32_t current_sample_number;
uint32_t ctd_shift;
uint32_t priming_samples;
uint32_t last_delta;
uint64_t prev_dts;
int64_t start_offset;
double dts;
int lpcm;
} output_track_t;
typedef struct
{
output_track_t *track;
uint32_t num_of_tracks;
uint32_t current_track_number;
} output_movie_t;
typedef struct
{
char *name;
lsmash_file_t *fh;
lsmash_file_parameters_t param;
output_movie_t movie;
} output_file_t;
typedef struct
{
lsmash_root_t *root;
output_file_t file;
} output_t;
typedef struct
{
option_t opt;
output_t output;
input_t input[MAX_NUM_OF_INPUTS];
uint32_t num_of_inputs;
} muxer_t;
static void cleanup_muxer( muxer_t *muxer )
{
if( !muxer )
return;
output_t *output = &muxer->output;
lsmash_close_file( &output->file.param );
lsmash_destroy_root( output->root );
if( output->file.movie.track )
{
for( uint32_t i = 0; i < output->file.movie.num_of_tracks; i++ )
{
output_track_t *out_track = &output->file.movie.track[i];
lsmash_delete_sample( out_track->sample );
}
lsmash_free( output->file.movie.track );
}
for( uint32_t i = 0; i < muxer->num_of_inputs; i++ )
{
input_t *input = &muxer->input[i];
lsmash_importer_close( input->importer );
for( uint32_t j = 0; j < input->num_of_tracks; j++ )
lsmash_cleanup_summary( input->track[j].summary );
lsmash_destroy_root( input->root );
}
}
#define eprintf( ... ) fprintf( stderr, __VA_ARGS__ )
#define REFRESH_CONSOLE eprintf( " \r" )
static int muxer_error( muxer_t *muxer, const char *message, ... )
{
cleanup_muxer( muxer );
REFRESH_CONSOLE;
eprintf( "Error: " );
va_list args;
va_start( args, message );
vfprintf( stderr, message, args );
va_end( args );
return -1;
}
static int error_message( const char *message, ... )
{
REFRESH_CONSOLE;
eprintf( "Error: " );
va_list args;
va_start( args, message );
vfprintf( stderr, message, args );
va_end( args );
return -1;
}
static void display_version( void )
{
eprintf( "\n"
"L-SMASH isom/mov multiplexer rev%s %s\n"
"Built on %s %s\n"
"Copyright (C) 2010-2017 L-SMASH project\n",
LSMASH_REV, LSMASH_GIT_HASH, __DATE__, __TIME__ );
}
static void display_help( void )
{
display_version();
eprintf( "\n"
"Usage: muxer [global_options] -i input1 [-i input2 -i input3 ...] -o output\n"
"Global options:\n"
" --help Display help\n"
" --version Display version information\n"
" --optimize-pd Optimize for progressive download\n"
" --interleave <integer> Specify time interval for media interleaving in milliseconds\n"
" --file-format <string> Specify output file format\n"
" Multiple file format can be specified by comma separators\n"
" The first is applied as the best used one\n"
" --isom-version <integer> Specify maximum compatible ISO Base Media version\n"
" --shift-timeline Enable composition to decode timeline shift\n"
" --chapter <string> Set chapters from the file.\n"
" --chpl-with-bom Add UTF-8 BOM to the chapter strings\n"
" in the chapter list. (experimental)\n"
" --chapter-track <integer> Set which track the chapter applies to.\n"
" This option takes effect only when reference\n"
" chapter is available.\n"
" If this option is not used, it defaults to 1.\n"
" --copyright-notice <arg> Specify copyright notice with or without language (latter string)\n"
" <arg> is <string> or <string>/<string>\n"
" --language <string> Specify the default language for all the output tracks.\n"
" This option is overridden by the track options.\n"
" --compact-size-table Compress sample size tables if possible.\n"
" --movie-timescale <integer> Specify movie timescale.\n"
"Output file formats:\n"
" mp4, mov, 3gp, 3g2, m4a, m4v\n"
"\n"
"Track options:\n"
" disable Disable this track\n"
" fps=<arg> Specify video framerate\n"
" <arg> is <integer> or <integer>/<integer>\n"
" language=<string> Specify media language\n"
" alternate-group=<integer> Specify alternate group\n"
" encoder-delay=<integer> Represent audio encoder delay (priming samples) explicitly\n"
" copyright=<arg> Specify copyright notice with or without language (latter string)\n"
" <arg> is <string> or <string>/<string>\n"
" handler=<string> Set media handler name\n"
" sbr Enable backward-compatible SBR explicit signaling mode\n"
" par=<integer>:<integer> Specify pixel aspect ratio of the first sequence\n"
" And never change ones in the media stream.\n"
"How to use track options:\n"
" -i input?[track_option1],[track_option2]...\n"
"\n"
"iTunes Metadata:\n"
" --album-name <string> Album name\n"
" --artist <string> Artist\n"
" --comment <string> User comment\n"
" --release-date <string> Release date (YYYY-MM-DD)\n"
" --encoder <string> Person or company that encoded the recording\n"
" --genre <string> Genre\n"
" --lyrics <string> Lyrics\n"
" --title <string> Title or song name\n"
" --composer <string> Composer\n"
" --album-artist <string> Artist for the whole album (if different than the individual tracks)\n"
" --copyright <string> Copyright\n"
" --description <string> Description\n"
" --grouping <string> Grouping\n"
" --tempo <integer> Beats per minute\n" );
}
static int muxer_usage_error( void )
{
display_help();
return -1;
}
#define MUXER_ERR( ... ) muxer_error( &muxer, __VA_ARGS__ )
#define ERROR_MSG( ... ) error_message( __VA_ARGS__ )
#define MUXER_USAGE_ERR() muxer_usage_error();
static int add_brand( option_t *opt, uint32_t brand )
{
if( opt->num_of_brands >= MAX_NUM_OF_BRANDS )
return -1;
/* Avoid duplication. */
for( uint32_t i = 0; i < opt->num_of_brands; i++ )
if( opt->brands[i] == brand )
return -2;
opt->brands[opt->num_of_brands ++] = brand;
return 0;
}
static int setup_isom_version( option_t *opt )
{
add_brand( opt, ISOM_BRAND_TYPE_ISOM );
if( opt->isom_version > 6 )
return ERROR_MSG( "unknown ISO Base Media version.\n" );
#define SET_ISOM_VERSION( version ) \
if( opt->isom_version >= version ) \
add_brand( opt, ISOM_BRAND_TYPE_ISO##version )
SET_ISOM_VERSION( 2 );
SET_ISOM_VERSION( 3 );
SET_ISOM_VERSION( 4 );
SET_ISOM_VERSION( 5 );
SET_ISOM_VERSION( 6 );
#undef SET_ISOM_VERSION
return 0;
}
static int decide_brands( option_t *opt )
{
if( opt->num_of_brands == 0 )
{
/* default file format */
opt->major_brand = ISOM_BRAND_TYPE_MP42;
opt->minor_version = 0x00000000;
add_brand( opt, ISOM_BRAND_TYPE_MP42 );
add_brand( opt, ISOM_BRAND_TYPE_MP41 );
add_brand( opt, ISOM_BRAND_TYPE_ISOM );
opt->isom = 1;
eprintf( "MP4 muxing mode\n" );
return setup_isom_version( opt );
}
opt->major_brand = opt->brands[0]; /* Pick the first brand as major brand. */
for( uint32_t i = 0; i < opt->num_of_brands; i++ )
{
switch( opt->brands[i] )
{
case ISOM_BRAND_TYPE_3GP6 :
/* When being compatible with 3gp6, also compatible with 3g2a. */
add_brand( opt, ISOM_BRAND_TYPE_3G2A );
opt->brand_3gx = 1;
break;
case ISOM_BRAND_TYPE_3G2A :
opt->brand_3gx = 2;
break;
case ISOM_BRAND_TYPE_QT :
opt->qtff = 1;
break;
case ISOM_BRAND_TYPE_M4A :
case ISOM_BRAND_TYPE_M4V :
opt->itunes_movie = 1;
/* fall-through */
case ISOM_BRAND_TYPE_MP42 :
add_brand( opt, ISOM_BRAND_TYPE_MP42 );
add_brand( opt, ISOM_BRAND_TYPE_MP41 );
break;
default :
break;
}
if( opt->brands[i] != ISOM_BRAND_TYPE_QT )
opt->isom = 1;
}
switch( opt->major_brand )
{
case ISOM_BRAND_TYPE_MP42 :
opt->minor_version = 0x00000000;
eprintf( "MP4 muxing mode\n" );
break;
case ISOM_BRAND_TYPE_M4A :
case ISOM_BRAND_TYPE_M4V :
opt->minor_version = 0x00000000;
eprintf( "iTunes MP4 muxing mode\n" );
break;
case ISOM_BRAND_TYPE_3GP6 :
opt->minor_version = 0x00000000; /* means, 3gp(3gp6) 6.0.0 : "6" is not included in minor_version. */
eprintf( "3GPP muxing mode\n" );
break;
case ISOM_BRAND_TYPE_3G2A :
opt->minor_version = 0x00010000; /* means, 3g2(3g2a) 1.0.0 : a == 1 */
eprintf( "3GPP2 muxing mode\n" );
break;
case ISOM_BRAND_TYPE_QT :
opt->minor_version = 0x00000000; /* We don't know exact version of the spec to use QTFF features. */
eprintf( "QuickTime file format muxing mode\n" );
break;
default :
break;
}
/* Set up ISO Base Media version. */
if( opt->isom )
setup_isom_version( opt );
if( opt->num_of_brands > MAX_NUM_OF_BRANDS )
return ERROR_MSG( "exceed the maximum number of brands we can deal with.\n" );
return 0;
}
static int parse_global_options( int argc, char **argv, muxer_t *muxer )
{
if ( argc < 2 )
return -1;
else if( !strcasecmp( argv[1], "-h" ) || !strcasecmp( argv[1], "--help" ) )
{
muxer->opt.help = 1;
return 0;
}
else if( !strcasecmp( argv[1], "-v" ) || !strcasecmp( argv[1], "--version" ) )
{
muxer->opt.version = 1;
return 0;
}
else if( argc < 5 )
return -1;
uint32_t i = 1;
option_t *opt = &muxer->opt;
opt->chap_track = 1;
opt->add_bom_to_chpl = 0;
while( argc > i && *argv[i] == '-' )
{
#define CHECK_NEXT_ARG if( argc == ++i ) return -1
if( !strcasecmp( argv[i], "-i" ) || !strcasecmp( argv[i], "--input" ) )
{
CHECK_NEXT_ARG;
if( opt->num_of_inputs + 1 > MAX_NUM_OF_INPUTS )
return ERROR_MSG( "exceed the maximum number of input files.\n" );
input_t *input = &muxer->input[opt->num_of_inputs];
input_option_t *input_movie_opt = &input->opt;
char *p = argv[i];
while( *p )
input_movie_opt->num_of_track_delimiters += (*p++ == '?');
if( input_movie_opt->num_of_track_delimiters > MAX_NUM_OF_TRACKS )
return ERROR_MSG( "you specified options to exceed the maximum number of tracks per input files.\n" );
input->file_name = strtok( argv[i], "?" );
input_movie_opt->whole_track_option = strtok( NULL, "" );
if( input_movie_opt->num_of_track_delimiters )
{
input_track_option_t *track_opt = &input->track[0].opt;
track_opt->raws = strtok( input_movie_opt->whole_track_option, "?" );
#if (MAX_NUM_OF_TRACKS - 1)
for( uint32_t j = 1; j < input_movie_opt->num_of_track_delimiters; j++ )
{
track_opt = &input->track[j].opt;
track_opt->raws = strtok( NULL, "?" );
}
#endif
}
++ opt->num_of_inputs;
}
else if( !strcasecmp( argv[i], "-o" ) || !strcasecmp( argv[i], "--output" ) )
{
CHECK_NEXT_ARG;
muxer->output.file.name = argv[i];
}
else if( !strcasecmp( argv[i], "--optimize-pd" ) )
opt->optimize_pd = 1;
else if( !strcasecmp( argv[i], "--interleave" ) )
{
CHECK_NEXT_ARG;
if( opt->interleave )
return ERROR_MSG( "you specified --interleave twice.\n" );
opt->interleave = atoi( argv[i] );
}
else if( !strcasecmp( argv[i], "--file-format" ) )
{
CHECK_NEXT_ARG;
static const struct
{
uint32_t brand_4cc;
char *file_format;
} file_format_list[]
= {
{ ISOM_BRAND_TYPE_MP42, "mp4" },
{ ISOM_BRAND_TYPE_QT, "mov" },
{ ISOM_BRAND_TYPE_3GP6, "3gp" },
{ ISOM_BRAND_TYPE_3G2A, "3g2" },
{ ISOM_BRAND_TYPE_M4A, "m4a" },
{ ISOM_BRAND_TYPE_M4V, "m4v" },
{ 0, NULL }
};
char *file_format = NULL;
while( (file_format = strtok( file_format ? NULL : argv[i], "," )) != NULL )
{
int j;
for( j = 0; file_format_list[j].file_format; j++ )
if( !strcmp( file_format, file_format_list[j].file_format ) )
{
int ret = add_brand( opt, file_format_list[j].brand_4cc );
if( ret == -2 )
return ERROR_MSG( "you specified same output file format twice.\n" );
else if( ret == -1 )
return ERROR_MSG( "exceed the maximum number of brands we can deal with.\n" );
break;
}
if( !file_format_list[j].file_format )
return MUXER_USAGE_ERR();
}
}
else if( !strcasecmp( argv[i], "--isom-version" ) )
{
CHECK_NEXT_ARG;
if( opt->isom_version )
return ERROR_MSG( "you specified --isom-version twice.\n" );
opt->isom_version = atoi( argv[i] );
}
else if( !strcasecmp( argv[i], "--shift-timeline" ) )
opt->timeline_shift = 1;
else if( !strcasecmp( argv[i], "compact-size-table" ) )
opt->compact_size_table = 1;
else if( !strcasecmp( argv[i], "--chapter" ) )
{
CHECK_NEXT_ARG;
opt->chap_file = argv[i];
}
else if( !strcasecmp( argv[i], "--chapter-track" ) )
{
CHECK_NEXT_ARG;
opt->chap_track = atoi( argv[i] );
if( !opt->chap_track )
return ERROR_MSG( "%s is an invalid track number.\n", argv[i] );
}
else if( !strcasecmp( argv[i], "--chpl-with-bom" ) )
opt->add_bom_to_chpl = 1;
else if( !strcasecmp( argv[i], "--copyright-notice" ) )
{
CHECK_NEXT_ARG;
if( opt->copyright_notice )
return ERROR_MSG( "you specified --copyright-notice twice.\n" );
opt->copyright_notice = argv[i];
char *language = opt->copyright_notice;
while( *language )
{
if( *language == '/' )
{
*language++ = '\0';
break;
}
++language;
}
opt->copyright_language = language ? lsmash_pack_iso_language( language ) : ISOM_LANGUAGE_CODE_UNDEFINED;
}
else if( !strcasecmp( argv[i], "--movie-timescale" ) )
{
CHECK_NEXT_ARG;
if( opt->movie_timescale )
return ERROR_MSG( "you specified --movie-timescale twice.\n" );
opt->movie_timescale = atoi( argv[i] );
}
/* iTunes metadata */
#define CHECK_ITUNES_METADATA_ARG_STRING( argument, value ) \
else if( !strcasecmp( argv[i], "--"#argument ) ) \
{ \
CHECK_NEXT_ARG; \
if( opt->itunes_metadata.value ) \
return ERROR_MSG( "you specified --"#argument" twice.\n" ); \
opt->itunes_metadata.value = argv[i]; \
}
CHECK_ITUNES_METADATA_ARG_STRING( album-name, album_name )
CHECK_ITUNES_METADATA_ARG_STRING( artist, artist )
CHECK_ITUNES_METADATA_ARG_STRING( comment, comment )
CHECK_ITUNES_METADATA_ARG_STRING( release-date, release_date )
CHECK_ITUNES_METADATA_ARG_STRING( encoder, encoder )
CHECK_ITUNES_METADATA_ARG_STRING( genre, genre )
CHECK_ITUNES_METADATA_ARG_STRING( lyrics, lyrics )
CHECK_ITUNES_METADATA_ARG_STRING( title, title )
CHECK_ITUNES_METADATA_ARG_STRING( composer, composer )
CHECK_ITUNES_METADATA_ARG_STRING( album-artist, album_artist )
CHECK_ITUNES_METADATA_ARG_STRING( copyright, copyright )
CHECK_ITUNES_METADATA_ARG_STRING( description, description )
CHECK_ITUNES_METADATA_ARG_STRING( grouping, grouping )
#undef CHECK_ITUNES_METADATA_ARG_STRING
else if( !strcasecmp( argv[i], "--tempo" ) )
{
CHECK_NEXT_ARG;
if( opt->itunes_metadata.beats_per_minute )
return ERROR_MSG( "you specified --tempo twice.\n" );
opt->itunes_metadata.beats_per_minute = atoi( argv[i] );
}
else if( !strcasecmp( argv[i], "--language" ) )
{
CHECK_NEXT_ARG;
opt->default_language = lsmash_pack_iso_language( argv[i] );
}
#undef CHECK_NEXT_ARG
else
return ERROR_MSG( "you specified invalid option: %s.\n", argv[i] );
++i;
}
if( !muxer->output.file.name )
return ERROR_MSG( "output file name is not specified.\n" );
if( decide_brands( opt ) )
return ERROR_MSG( "failed to set up output file format.\n" );
if( opt->timeline_shift && !opt->qtff && opt->isom_version < 4 )
return ERROR_MSG( "timeline shift requires --file-format mov, or --isom-version 4 or later.\n" );
muxer->num_of_inputs = opt->num_of_inputs;
return 0;
}
static int parse_track_options( input_t *input )
{
for( input->current_track_number = 1;
input->current_track_number <= input->num_of_tracks;
input->current_track_number ++ )
{
input_track_t *in_track = &input->track[input->current_track_number - 1];
input_track_option_t *track_opt = &in_track->opt;
if( track_opt->raws == NULL )
break;
#if 0
if( !strchr( track_opt->raws, ':' )
|| strchr( track_opt->raws, ':' ) == track_opt->raws )
return ERROR_MSG( "track number is not specified in %s\n", track_opt->raws );
if( strchr( track_opt->raws, ':' ) != strrchr( track_opt->raws, ':' ) )
return ERROR_MSG( "multiple colons inside one track option in %s.\n", track_opt->raws );
uint32_t track_number = atoi( strtok( track_opt->raws, ":" ) );
if( track_number == 0 || track_number > MAX_NUM_OF_TRACKS )
return ERROR_MSG( "%s is an invalid track number %"PRIu32".\n", strtok( track_opt->raws, ":" ), track_number );
in_track = &input->track[track_number - 1];
track_opt = &in_track->opt;
char *track_option;
while( (track_option = strtok( NULL, "," )) != NULL )
#else
char *track_option = NULL;
while( (track_option = strtok( track_option ? NULL : track_opt->raws, "," )) != NULL )
#endif
{
if( strchr( track_option, '=' ) != strrchr( track_option, '=' ) )
return ERROR_MSG( "multiple equal signs inside one track option in %s\n", track_option );
if( strstr( track_option, "disable" ) )
track_opt->disable = 1;
else if( strstr( track_option, "alternate-group=" ) )
{
char *track_parameter = strchr( track_option, '=' ) + 1;
track_opt->alternate_group = atoi( track_parameter );
}
else if( strstr( track_option, "encoder-delay=" ) )
{
char *track_parameter = strchr( track_option, '=' ) + 1;
track_opt->encoder_delay = atoi( track_parameter );
}
else if( strstr( track_option, "language=" ) )
{
char *track_parameter = strchr( track_option, '=' ) + 1;
track_opt->ISO_language = lsmash_pack_iso_language( track_parameter );
}
else if( strstr( track_option, "fps=" ) )
{
char *track_parameter = strchr( track_option, '=' ) + 1;
if( sscanf( track_parameter, "%"SCNu32"/%"SCNu32, &track_opt->fps_num, &track_opt->fps_den ) == 1 )
{
track_opt->fps_num = atoi( track_parameter );
track_opt->fps_den = 1;
}
track_opt->user_fps = 1;
}
else if( strstr( track_option, "copyright=" ) )
{
char *track_parameter = strchr( track_option, '=' ) + 1;
track_opt->copyright_notice = track_parameter;
while( *track_parameter )
{
if( *track_parameter == '/' )
{
*track_parameter++ = '\0';
break;
}
++track_parameter;
}
track_opt->copyright_language = lsmash_pack_iso_language( track_parameter );
}
else if( strstr( track_option, "handler=" ) )
{
char *track_parameter = strchr( track_option, '=' ) + 1;
track_opt->handler_name = track_parameter;
}
else if( strstr( track_option, "sbr" ) )
track_opt->sbr = 1;
else if( strstr( track_option, "par=" ) )
{
char *track_parameter = strchr( track_option, '=' ) + 1;
if( sscanf( track_parameter, "%"SCNu32":%"SCNu32, &track_opt->par_h, &track_opt->par_v ) != 2 )
{
track_opt->par_h = 0;
track_opt->par_v = 0;
}
}
else
return ERROR_MSG( "unknown track option %s\n", track_option );
}
}
return 0;
}
static void display_codec_name( lsmash_codec_type_t codec_type, uint32_t track_number )
{
#define DISPLAY_CODEC_NAME( codec, codec_name ) \
else if( lsmash_check_codec_type_identical( codec_type, codec ) ) \
eprintf( "Track %"PRIu32": "#codec_name"\n", track_number )
if( 0 );
DISPLAY_CODEC_NAME( ISOM_CODEC_TYPE_AVC1_VIDEO, H.264 Advanced Video Coding );
DISPLAY_CODEC_NAME( ISOM_CODEC_TYPE_HVC1_VIDEO, H.265 High Efficiency Video Coding );
DISPLAY_CODEC_NAME( ISOM_CODEC_TYPE_VC_1_VIDEO, SMPTE VC-1 Advanced Profile );
DISPLAY_CODEC_NAME( ISOM_CODEC_TYPE_MP4A_AUDIO, MPEG-4 Audio );
DISPLAY_CODEC_NAME( QT_CODEC_TYPE_MP4A_AUDIO, MPEG-4 Audio );
DISPLAY_CODEC_NAME( ISOM_CODEC_TYPE_AC_3_AUDIO, AC-3 );
DISPLAY_CODEC_NAME( ISOM_CODEC_TYPE_EC_3_AUDIO, Enhanced AC-3 );
DISPLAY_CODEC_NAME( ISOM_CODEC_TYPE_DTSC_AUDIO, DTS );
DISPLAY_CODEC_NAME( ISOM_CODEC_TYPE_DTSE_AUDIO, DTS LBR );
DISPLAY_CODEC_NAME( ISOM_CODEC_TYPE_DTSH_AUDIO, DTS-HD );
DISPLAY_CODEC_NAME( ISOM_CODEC_TYPE_DTSL_AUDIO, DTS-HD Lossless );
DISPLAY_CODEC_NAME( ISOM_CODEC_TYPE_DTSX_AUDIO, DTS:X );
DISPLAY_CODEC_NAME( ISOM_CODEC_TYPE_SAWB_AUDIO, Wideband AMR voice );
DISPLAY_CODEC_NAME( ISOM_CODEC_TYPE_SAMR_AUDIO, Narrowband AMR voice );
DISPLAY_CODEC_NAME( QT_CODEC_TYPE_LPCM_AUDIO, Uncompressed Audio );
#undef DISPLAY_CODEC_NAME
}
static int open_input_files( muxer_t *muxer )
{
output_movie_t *out_movie = &muxer->output.file.movie;
option_t *opt = &muxer->opt;
for( uint32_t current_input_number = 1; current_input_number <= muxer->num_of_inputs; current_input_number++ )
{
input_t *input = &muxer->input[current_input_number - 1];
/* Initialize importer framework. */
lsmash_root_t *root = lsmash_create_root();
if( !root )
return ERROR_MSG( "failed to create a ROOT for input file.\n" );
input->root = root;
input->importer = lsmash_importer_open( root, input->file_name, "auto" );
if( !input->importer )
return ERROR_MSG( "failed to open input file.\n" );
input->num_of_tracks = lsmash_importer_get_track_count( input->importer );
if( input->num_of_tracks == 0 )
return ERROR_MSG( "there is no valid track in input file.\n" );
if( opt->default_language )
for( int i = 0; i < input->num_of_tracks; i ++ )
input->track[i].opt.ISO_language = opt->default_language;
/* Parse track options */
if( parse_track_options( input ) )
return ERROR_MSG( "failed to parse track options.\n" );
/* Activate tracks by CODEC type. */
for( input->current_track_number = 1;
input->current_track_number <= input->num_of_tracks;
input->current_track_number ++ )
{
input_track_t *in_track = &input->track[input->current_track_number - 1];
int err = lsmash_importer_construct_timeline( input->importer, input->current_track_number );
if( err < 0 && err != LSMASH_ERR_PATCH_WELCOME )
{
in_track->active = 0;
continue;
}
in_track->summary = lsmash_duplicate_summary( input->importer, input->current_track_number );
if( !in_track->summary )
return ERROR_MSG( "failed to get input summary.\n" );
/* Check codec type. */
lsmash_codec_type_t codec_type = in_track->summary->sample_type;
in_track->active = 1;
if( lsmash_check_codec_type_identical( codec_type, ISOM_CODEC_TYPE_AVC1_VIDEO ) )
{
if( opt->isom )
add_brand( opt, ISOM_BRAND_TYPE_AVC1 );
}
else if( lsmash_check_codec_type_identical( codec_type, ISOM_CODEC_TYPE_HVC1_VIDEO ) )
{
if( !opt->isom && opt->qtff )
return ERROR_MSG( "the input seems HEVC, at present available only for ISO Base Media file format.\n" );
}
else if( lsmash_check_codec_type_identical( codec_type, ISOM_CODEC_TYPE_VC_1_VIDEO ) )
{
if( !opt->isom && opt->qtff )
return ERROR_MSG( "the input seems VC-1, at present available only for ISO Base Media file format.\n" );
}
else if( lsmash_check_codec_type_identical( codec_type, ISOM_CODEC_TYPE_MP4A_AUDIO )
|| lsmash_check_codec_type_identical( codec_type, QT_CODEC_TYPE_MP4A_AUDIO ) )
/* Do nothing. */;
else if( lsmash_check_codec_type_identical( codec_type, ISOM_CODEC_TYPE_AC_3_AUDIO )
|| lsmash_check_codec_type_identical( codec_type, ISOM_CODEC_TYPE_EC_3_AUDIO ) )
{
if( !opt->isom && opt->qtff )
return ERROR_MSG( "the input seems (Enhanced) AC-3, at present available only for ISO Base Media file format.\n" );
add_brand( opt, ISOM_BRAND_TYPE_DBY1 );
}
else if( lsmash_check_codec_type_identical( codec_type, ISOM_CODEC_TYPE_DTSC_AUDIO )
|| lsmash_check_codec_type_identical( codec_type, ISOM_CODEC_TYPE_DTSE_AUDIO )
|| lsmash_check_codec_type_identical( codec_type, ISOM_CODEC_TYPE_DTSH_AUDIO )
|| lsmash_check_codec_type_identical( codec_type, ISOM_CODEC_TYPE_DTSL_AUDIO )
|| lsmash_check_codec_type_identical( codec_type, ISOM_CODEC_TYPE_DTSX_AUDIO ) )
{
if( !opt->isom && opt->qtff )
return ERROR_MSG( "the input seems DTS(-HD) Audio, at present available only for ISO Base Media file format.\n" );
}
else if( lsmash_check_codec_type_identical( codec_type, ISOM_CODEC_TYPE_SAWB_AUDIO )
|| lsmash_check_codec_type_identical( codec_type, ISOM_CODEC_TYPE_SAMR_AUDIO ) )
{
if( !opt->brand_3gx )
return ERROR_MSG( "the input seems AMR-NB/WB, available for 3GPP(2) file format.\n" );
}
else if( lsmash_check_codec_type_identical( codec_type, QT_CODEC_TYPE_LPCM_AUDIO ) )
{
if( opt->isom && !opt->qtff )
return ERROR_MSG( "the input seems Uncompressed Audio, at present available only for QuickTime file format.\n" );
in_track->lpcm = 1;
}
else
{
lsmash_cleanup_summary( in_track->summary );
in_track->summary = NULL;
in_track->active = 0;
}
if( in_track->active )
{
++ input->num_of_active_tracks;
display_codec_name( codec_type, out_movie->num_of_tracks + input->num_of_active_tracks );
}
}
out_movie->num_of_tracks += input->num_of_active_tracks;
}
if( out_movie->num_of_tracks == 0 )
return ERROR_MSG( "there is no media that can be stored in output movie.\n" );
return 0;
}
static int set_itunes_metadata( output_t *output, option_t *opt )
{
if( !opt->itunes_movie )
return 0;
itunes_metadata_t *metadata = &opt->itunes_metadata;
#define SET_ITUNES_METADATA( item, type, value ) \
if( value \
&& lsmash_set_itunes_metadata( output->root, (lsmash_itunes_metadata_t){ item, ITUNES_METADATA_TYPE_NONE, { .type = value }, NULL, NULL } ) ) \
return -1
SET_ITUNES_METADATA( ITUNES_METADATA_ITEM_ENCODING_TOOL, string, "L-SMASH" );
SET_ITUNES_METADATA( ITUNES_METADATA_ITEM_ALBUM_NAME, string, metadata->album_name );
SET_ITUNES_METADATA( ITUNES_METADATA_ITEM_ARTIST, string, metadata->artist );
SET_ITUNES_METADATA( ITUNES_METADATA_ITEM_USER_COMMENT, string, metadata->comment );
SET_ITUNES_METADATA( ITUNES_METADATA_ITEM_RELEASE_DATE, string, metadata->release_date );
SET_ITUNES_METADATA( ITUNES_METADATA_ITEM_ENCODED_BY, string, metadata->encoder );
SET_ITUNES_METADATA( ITUNES_METADATA_ITEM_USER_GENRE, string, metadata->genre );
SET_ITUNES_METADATA( ITUNES_METADATA_ITEM_LYRICS, string, metadata->lyrics );
SET_ITUNES_METADATA( ITUNES_METADATA_ITEM_TITLE, string, metadata->title );
SET_ITUNES_METADATA( ITUNES_METADATA_ITEM_COMPOSER, string, metadata->composer );
SET_ITUNES_METADATA( ITUNES_METADATA_ITEM_ALBUM_ARTIST, string, metadata->album_artist );
SET_ITUNES_METADATA( ITUNES_METADATA_ITEM_COPYRIGHT, string, metadata->copyright );
SET_ITUNES_METADATA( ITUNES_METADATA_ITEM_DESCRIPTION, string, metadata->description );
SET_ITUNES_METADATA( ITUNES_METADATA_ITEM_GROUPING, string, metadata->grouping );
SET_ITUNES_METADATA( ITUNES_METADATA_ITEM_BEATS_PER_MINUTE, integer, metadata->beats_per_minute );
#undef SET_ITUNES_METADATA
return 0;
}
static int prepare_output( muxer_t *muxer )
{
option_t *opt = &muxer->opt;
output_t *output = &muxer->output;
output_file_t *out_file = &output->file;
output_movie_t *out_movie = &out_file->movie;
/* Allocate output tracks. */
out_movie->track = lsmash_malloc_zero( out_movie->num_of_tracks * sizeof(output_track_t) );
if( !out_movie->track )
return ERROR_MSG( "failed to allocate output tracks.\n" );
/* Initialize L-SMASH muxer */
output->root = lsmash_create_root();
if( !output->root )
return ERROR_MSG( "failed to create a ROOT for output file.\n" );
lsmash_file_parameters_t *file_param = &out_file->param;
if( lsmash_open_file( out_file->name, 0, file_param ) < 0 )
return ERROR_MSG( "failed to open an output file.\n" );
file_param->major_brand = opt->major_brand;
file_param->brands = opt->brands;
file_param->brand_count = opt->num_of_brands;
file_param->minor_version = opt->minor_version;
if( opt->interleave )
file_param->max_chunk_duration = opt->interleave * 1e-3;
out_file->fh = lsmash_set_file( output->root, file_param );
if( !out_file->fh )
return ERROR_MSG( "failed to add an output file into a ROOT.\n" );
/* Initialize movie */
lsmash_movie_parameters_t movie_param;
lsmash_initialize_movie_parameters( &movie_param );
if( opt->movie_timescale )
movie_param.timescale = opt->movie_timescale;
if( lsmash_set_movie_parameters( output->root, &movie_param ) )
return ERROR_MSG( "failed to set movie parameters.\n" );
if( opt->copyright_notice
&& lsmash_set_copyright( output->root, 0, opt->copyright_language, opt->copyright_notice ) )
return ERROR_MSG( "failed to set a copyright notice for the entire movie.\n" );
if( set_itunes_metadata( output, opt ) )
return ERROR_MSG( "failed to set iTunes metadata.\n" );
out_movie->current_track_number = 1;
for( uint32_t current_input_number = 1; current_input_number <= muxer->num_of_inputs; current_input_number++ )
{
input_t *input = &muxer->input[current_input_number - 1];
for( input->current_track_number = 1;
input->current_track_number <= input->num_of_tracks;
input->current_track_number ++ )
{
input_track_t *in_track = &input->track[ input->current_track_number - 1 ];
if( !in_track->active )
continue;
input_track_option_t *track_opt = &in_track->opt;
output_track_t *out_track = &out_movie->track[ out_movie->current_track_number - 1 ];
/* Set up track parameters. */
lsmash_track_parameters_t track_param;
lsmash_initialize_track_parameters( &track_param );
track_param.mode = ISOM_TRACK_IN_MOVIE | ISOM_TRACK_IN_PREVIEW;
if( !track_opt->disable )
track_param.mode |= ISOM_TRACK_ENABLED;
if( opt->qtff )
track_param.mode |= QT_TRACK_IN_POSTER;
track_param.alternate_group = track_opt->alternate_group;
lsmash_media_parameters_t media_param;
lsmash_initialize_media_parameters( &media_param );
media_param.ISO_language = track_opt->ISO_language;
media_param.compact_sample_size_table = opt->compact_size_table;
switch( in_track->summary->summary_type )
{
case LSMASH_SUMMARY_TYPE_VIDEO :
{
out_track->track_ID = lsmash_create_track( output->root, ISOM_MEDIA_HANDLER_TYPE_VIDEO_TRACK );
if( !out_track->track_ID )
return ERROR_MSG( "failed to create a track.\n" );
lsmash_video_summary_t *summary = (lsmash_video_summary_t *)in_track->summary;
uint64_t display_width = (uint64_t)summary->width << 16;
uint64_t display_height = (uint64_t)summary->height << 16;
if( track_opt->par_h && track_opt-> par_v )
{
summary->par_h = track_opt->par_h;
summary->par_v = track_opt->par_v;
}
if( summary->par_h && summary->par_v )
{
double sar = (double)summary->par_h / summary->par_v;
if( sar > 1.0 )
display_width *= sar;
else
display_height /= sar;
}
track_param.display_width = display_width <= UINT32_MAX ? display_width : UINT32_MAX;
track_param.display_height = display_height <= UINT32_MAX ? display_height : UINT32_MAX;
/* Initialize media */
uint32_t timescale = 25; /* default value */
uint32_t timebase = 1; /* default value */
if( track_opt->user_fps )
{
timescale = track_opt->fps_num << (!!summary->sample_per_field);
timebase = track_opt->fps_den;
}
else if( !summary->vfr )
{
if( lsmash_check_codec_type_identical( summary->sample_type, ISOM_CODEC_TYPE_AVC1_VIDEO )
|| lsmash_check_codec_type_identical( summary->sample_type, ISOM_CODEC_TYPE_HVC1_VIDEO ) )
{
uint32_t compare_timebase = summary->timebase;
uint32_t compare_timescale = summary->timescale;
static const struct
{
uint32_t timescale;
uint32_t timebase;
} well_known_fps[]
= {
{ 24000, 1001 }, { 30000, 1001 }, { 60000, 1001 }, { 120000, 1001 }, { 72000, 1001 },
{ 25, 1 }, { 50, 1 }, { 24, 1 }, { 30, 1 }, { 60, 1 }, { 120, 1 }, { 72, 1 }, { 0, 0 }
};
for( int i = 0; well_known_fps[i].timescale; i++ )
if( well_known_fps[i].timescale == compare_timescale
&& well_known_fps[i].timebase == compare_timebase )
{
timescale = well_known_fps[i].timescale;
timebase = well_known_fps[i].timebase;
break;
}
lsmash_codec_specific_t *bitrate = lsmash_create_codec_specific_data( LSMASH_CODEC_SPECIFIC_DATA_TYPE_ISOM_VIDEO_H264_BITRATE,
LSMASH_CODEC_SPECIFIC_FORMAT_STRUCTURED );
if( bitrate )
lsmash_add_codec_specific_data( in_track->summary, bitrate );
lsmash_destroy_codec_specific_data( bitrate );
}
else
{