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print: Avoid Variable Length Arrays.
[L-SMASH.git] / cli / muxer.c
blobd64aa7beb7a0e55f9939feda126f97fe9a867289
1 /*****************************************************************************
2 * muxer.c:
3 *****************************************************************************
4 * Copyright (C) 2010-2014 L-SMASH project
5 *
6 * Authors: Yusuke Nakamura <muken.the.vfrmaniac@gmail.com>
7 * Takashi Hirata <silverfilain@gmail.com>
8 *
9 * Permission to use, copy, modify, and/or distribute this software for any
10 * purpose with or without fee is hereby granted, provided that the above
11 * copyright notice and this permission notice appear in all copies.
12 *
13 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
14 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
15 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
16 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
17 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
18 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
19 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
20 *****************************************************************************/
21
22 /* This file is available under an ISC license. */
23
24 #include "cli.h"
25
26 #include <stdio.h>
27 #include <stdarg.h>
28 #include <string.h>
29 #include <strings.h>
30 #include <stdlib.h>
31 #include <inttypes.h>
32
33 #include "config.h"
34
35 #include "importer/importer.h"
36
37 #define MAX_NUM_OF_BRANDS 50
38 #define MAX_NUM_OF_INPUTS 10
39 #define MAX_NUM_OF_TRACKS 1
40
41 typedef struct
42 {
43 char *album_name;
44 char *artist;
45 char *comment;
46 char *release_date;
47 char *encoder;
48 char *genre;
49 char *lyrics;
50 char *title;
51 char *composer;
52 char *album_artist;
53 char *copyright;
54 char *description;
55 char *grouping;
56 uint32_t beats_per_minute;
57 } itunes_metadata_t;
58
59 typedef struct
60 {
61 int help;
62 int version;
63 int isom;
64 int isom_version;
65 int itunes_movie;
66 int qtff;
67 int brand_3gx;
68 int optimize_pd;
69 int timeline_shift;
70 uint32_t interleave;
71 uint32_t num_of_brands;
72 uint32_t brands[MAX_NUM_OF_BRANDS];
73 uint32_t major_brand;
74 uint32_t minor_version;
75 uint32_t num_of_inputs;
76 uint32_t chap_track;
77 char *chap_file;
78 int add_bom_to_chpl;
79 char *copyright_notice;
80 uint16_t copyright_language;
81 itunes_metadata_t itunes_metadata;
82 uint16_t default_language;
83 } option_t;
84
85 typedef struct
86 {
87 char *raws;
88 int disable;
89 int sbr;
90 int user_fps;
91 uint32_t fps_num;
92 uint32_t fps_den;
93 uint32_t encoder_delay;
94 int16_t alternate_group;
95 uint16_t ISO_language;
96 uint16_t copyright_language;
97 char *copyright_notice;
98 char *handler_name;
99 } input_track_option_t;
100
101 typedef struct
102 {
103 lsmash_summary_t *summary;
104 input_track_option_t opt;
105 int active;
106 int lpcm;
107 } input_track_t;
108
109 typedef struct
110 {
111 char *whole_track_option;
112 int num_of_track_delimiters;
113 } input_option_t;
114
115 typedef struct
116 {
117 input_option_t opt;
118 char *file_name;
119 importer_t *importer;
120 input_track_t track[MAX_NUM_OF_TRACKS];
121 uint32_t num_of_tracks;
122 uint32_t num_of_active_tracks;
123 uint32_t current_track_number;
124 } input_t;
125
126 typedef struct
127 {
128 lsmash_summary_t *summary;
129 lsmash_sample_t *sample;
130 int active;
131 uint32_t track_ID;
132 uint32_t timescale;
133 uint32_t timebase;
134 uint32_t sample_entry;
135 uint32_t current_sample_number;
136 uint32_t ctd_shift;
137 uint32_t priming_samples;
138 uint32_t last_delta;
139 uint64_t prev_dts;
140 int64_t start_offset;
141 double dts;
142 int lpcm;
143 } output_track_t;
144
145 typedef struct
146 {
147 output_track_t *track;
148 uint32_t num_of_tracks;
149 uint32_t current_track_number;
150 } output_movie_t;
151
152 typedef struct
153 {
154 char *name;
155 lsmash_file_t *fh;
156 lsmash_file_parameters_t param;
157 output_movie_t movie;
158 } output_file_t;
159
160 typedef struct
161 {
162 lsmash_root_t *root;
163 output_file_t file;
164 } output_t;
165
166 typedef struct
167 {
168 option_t opt;
169 output_t output;
170 input_t input[MAX_NUM_OF_INPUTS];
171 uint32_t num_of_inputs;
172 } muxer_t;
173
174 static void cleanup_muxer( muxer_t *muxer )
175 {
176 if( !muxer )
177 return;
178 output_t *output = &muxer->output;
179 lsmash_close_file( &output->file.param );
180 lsmash_destroy_root( output->root );
181 if( output->file.movie.track )
182 {
183 for( uint32_t i = 0; i < output->file.movie.num_of_tracks; i++ )
184 {
185 output_track_t *out_track = &output->file.movie.track[i];
186 lsmash_delete_sample( out_track->sample );
187 }
188 lsmash_free( output->file.movie.track );
189 }
190 for( uint32_t i = 0; i < muxer->num_of_inputs; i++ )
191 {
192 input_t *input = &muxer->input[i];
193 lsmash_importer_close( input->importer );
194 for( uint32_t j = 0; j < input->num_of_tracks; j++ )
195 lsmash_cleanup_summary( input->track[j].summary );
196 }
197 }
198
199 #define eprintf( ... ) fprintf( stderr, __VA_ARGS__ )
200 #define REFRESH_CONSOLE eprintf( " \r" )
201
202 static int muxer_error( muxer_t *muxer, const char *message, ... )
203 {
204 cleanup_muxer( muxer );
205 REFRESH_CONSOLE;
206 eprintf( "Error: " );
207 va_list args;
208 va_start( args, message );
209 vfprintf( stderr, message, args );
210 va_end( args );
211 return -1;
212 }
213
214 static int error_message( const char *message, ... )
215 {
216 REFRESH_CONSOLE;
217 eprintf( "Error: " );
218 va_list args;
219 va_start( args, message );
220 vfprintf( stderr, message, args );
221 va_end( args );
222 return -1;
223 }
224
225 static void display_version( void )
226 {
227 eprintf( "\n"
228 "L-SMASH isom/mov multiplexer rev%s %s\n"
229 "Built on %s %s\n"
230 "Copyright (C) 2010-2014 L-SMASH project\n",
231 LSMASH_REV, LSMASH_GIT_HASH, __DATE__, __TIME__ );
232 }
233
234 static void display_help( void )
235 {
236 display_version();
237 eprintf( "\n"
238 "Usage: muxer [global_options] -i input1 [-i input2 -i input3 ...] -o output\n"
239 "Global options:\n"
240 " --help Display help\n"
241 " --version Display version information\n"
242 " --optimize-pd Optimize for progressive download\n"
243 " --interleave <integer> Specify time interval for media interleaving in milliseconds\n"
244 " --file-format <string> Specify output file format\n"
245 " Multiple file format can be specified by comma separators\n"
246 " The first is applied as the best used one\n"
247 " --isom-version <integer> Specify maximum compatible ISO Base Media version\n"
248 " --shift-timeline Enable composition to decode timeline shift\n"
249 " --chapter <string> Set chapters from the file.\n"
250 " --chpl-with-bom Add UTF-8 BOM to the chapter strings\n"
251 " in the chapter list. (experimental)\n"
252 " --chapter-track <integer> Set which track the chapter applies to.\n"
253 " This option takes effect only when reference\n"
254 " chapter is available.\n"
255 " If this option is not used, it defaults to 1.\n"
256 " --copyright-notice <arg> Specify copyright notice with or without language (latter string)\n"
257 " <arg> is <string> or <string>/<string>\n"
258 " --language <string> Specify the default language for all the output tracks.\n"
259 " This option is overridden by the track options.\n"
260 "Output file formats:\n"
261 " mp4, mov, 3gp, 3g2, m4a, m4v\n"
262 "\n"
263 "Track options:\n"
264 " disable Disable this track\n"
265 " fps=<arg> Specify video framerate\n"
266 " <arg> is <integer> or <integer>/<integer>\n"
267 " language=<string> Specify media language\n"
268 " alternate-group=<integer> Specify alternate group\n"
269 " encoder-delay=<integer> Represent audio encoder delay (priming samples) explicitly\n"
270 " copyright=<arg> Specify copyright notice with or without language (latter string)\n"
271 " <arg> is <string> or <string>/<string>\n"
272 " handler=<string> Set media handler name\n"
273 " sbr Enable backward-compatible SBR explicit signaling mode\n"
274 "How to use track options:\n"
275 " -i input?[track_option1],[track_option2]...\n"
276 "\n"
277 "iTunes Metadata:\n"
278 " --album-name <string> Album name\n"
279 " --artist <string> Artist\n"
280 " --comment <string> User comment\n"
281 " --release-date <string> Release date (YYYY-MM-DD)\n"
282 " --encoder <string> Person or company that encoded the recording\n"
283 " --genre <string> Genre\n"
284 " --lyrics <string> Lyrics\n"
285 " --title <string> Title or song name\n"
286 " --composer <string> Composer\n"
287 " --album-artist <string> Artist for the whole album (if different than the individual tracks)\n"
288 " --copyright <string> Copyright\n"
289 " --description <string> Description\n"
290 " --grouping <string> Grouping\n"
291 " --tempo <integer> Beats per minute\n" );
292 }
293
294 static int muxer_usage_error( void )
295 {
296 display_help();
297 return -1;
298 }
299
300 #define MUXER_ERR( ... ) muxer_error( &muxer, __VA_ARGS__ )
301 #define ERROR_MSG( ... ) error_message( __VA_ARGS__ )
302 #define MUXER_USAGE_ERR() muxer_usage_error();
303
304 static int add_brand( option_t *opt, uint32_t brand )
305 {
306 if( opt->num_of_brands >= MAX_NUM_OF_BRANDS )
307 return -1;
308 /* Avoid duplication. */
309 for( uint32_t i = 0; i < opt->num_of_brands; i++ )
310 if( opt->brands[i] == brand )
311 return -2;
312 opt->brands[opt->num_of_brands ++] = brand;
313 return 0;
314 }
315
316 static int setup_isom_version( option_t *opt )
317 {
318 add_brand( opt, ISOM_BRAND_TYPE_ISOM );
319 if( opt->isom_version > 6 )
320 return ERROR_MSG( "unknown ISO Base Media version.\n" );
321 #define SET_ISOM_VERSION( version ) \
322 if( opt->isom_version >= version ) \
323 add_brand( opt, ISOM_BRAND_TYPE_ISO##version )
324 SET_ISOM_VERSION( 2 );
325 SET_ISOM_VERSION( 3 );
326 SET_ISOM_VERSION( 4 );
327 SET_ISOM_VERSION( 5 );
328 SET_ISOM_VERSION( 6 );
329 #undef SET_ISOM_VERSION
330 return 0;
331 }
332
333 static int decide_brands( option_t *opt )
334 {
335 if( opt->num_of_brands == 0 )
336 {
337 /* default file format */
338 opt->major_brand = ISOM_BRAND_TYPE_MP42;
339 opt->minor_version = 0x00000000;
340 add_brand( opt, ISOM_BRAND_TYPE_MP42 );
341 add_brand( opt, ISOM_BRAND_TYPE_MP41 );
342 add_brand( opt, ISOM_BRAND_TYPE_ISOM );
343 opt->isom = 1;
344 eprintf( "MP4 muxing mode\n" );
345 return setup_isom_version( opt );
346 }
347 opt->major_brand = opt->brands[0]; /* Pick the first brand as major brand. */
348 for( uint32_t i = 0; i < opt->num_of_brands; i++ )
349 {
350 switch( opt->brands[i] )
351 {
352 case ISOM_BRAND_TYPE_3GP6 :
353 /* When being compatible with 3gp6, also compatible with 3g2a. */
354 add_brand( opt, ISOM_BRAND_TYPE_3G2A );
355 opt->brand_3gx = 1;
356 break;
357 case ISOM_BRAND_TYPE_3G2A :
358 opt->brand_3gx = 2;
359 break;
360 case ISOM_BRAND_TYPE_QT :
361 opt->qtff = 1;
362 break;
363 case ISOM_BRAND_TYPE_M4A :
364 case ISOM_BRAND_TYPE_M4V :
365 opt->itunes_movie = 1;
366 /* fall-through */
367 case ISOM_BRAND_TYPE_MP42 :
368 add_brand( opt, ISOM_BRAND_TYPE_MP42 );
369 add_brand( opt, ISOM_BRAND_TYPE_MP41 );
370 break;
371 default :
372 break;
373 }
374 if( opt->brands[i] != ISOM_BRAND_TYPE_QT )
375 opt->isom = 1;
376 }
377 switch( opt->major_brand )
378 {
379 case ISOM_BRAND_TYPE_MP42 :
380 opt->minor_version = 0x00000000;
381 eprintf( "MP4 muxing mode\n" );
382 break;
383 case ISOM_BRAND_TYPE_M4A :
384 case ISOM_BRAND_TYPE_M4V :
385 opt->minor_version = 0x00000000;
386 eprintf( "iTunes MP4 muxing mode\n" );
387 break;
388 case ISOM_BRAND_TYPE_3GP6 :
389 opt->minor_version = 0x00000000; /* means, 3gp(3gp6) 6.0.0 : "6" is not included in minor_version. */
390 eprintf( "3GPP muxing mode\n" );
391 break;
392 case ISOM_BRAND_TYPE_3G2A :
393 opt->minor_version = 0x00010000; /* means, 3g2(3g2a) 1.0.0 : a == 1 */
394 eprintf( "3GPP2 muxing mode\n" );
395 break;
396 case ISOM_BRAND_TYPE_QT :
397 opt->minor_version = 0x00000000; /* We don't know exact version of the spec to use QTFF features. */
398 eprintf( "QuickTime file format muxing mode\n" );
399 break;
400 default :
401 break;
402 }
403 /* Set up ISO Base Media version. */
404 if( opt->isom )
405 setup_isom_version( opt );
406 if( opt->num_of_brands > MAX_NUM_OF_BRANDS )
407 return ERROR_MSG( "exceed the maximum number of brands we can deal with.\n" );
408 return 0;
409 }
410
411 static int parse_global_options( int argc, char **argv, muxer_t *muxer )
412 {
413 if ( argc < 2 )
414 return -1;
415 else if( !strcasecmp( argv[1], "-h" ) || !strcasecmp( argv[1], "--help" ) )
416 {
417 muxer->opt.help = 1;
418 return 0;
419 }
420 else if( !strcasecmp( argv[1], "-v" ) || !strcasecmp( argv[1], "--version" ) )
421 {
422 muxer->opt.version = 1;
423 return 0;
424 }
425 else if( argc < 5 )
426 return -1;
427 uint32_t i = 1;
428 option_t *opt = &muxer->opt;
429 opt->chap_track = 1;
430 opt->add_bom_to_chpl = 0;
431 while( argc > i && *argv[i] == '-' )
432 {
433 #define CHECK_NEXT_ARG if( argc == ++i ) return -1
434 if( !strcasecmp( argv[i], "-i" ) || !strcasecmp( argv[i], "--input" ) )
435 {
436 CHECK_NEXT_ARG;
437 if( opt->num_of_inputs + 1 > MAX_NUM_OF_INPUTS )
438 return ERROR_MSG( "exceed the maximum number of input files.\n" );
439 input_t *input = &muxer->input[opt->num_of_inputs];
440 input_option_t *input_movie_opt = &input->opt;
441 char *p = argv[i];
442 while( *p )
443 input_movie_opt->num_of_track_delimiters += (*p++ == '?');
444 if( input_movie_opt->num_of_track_delimiters > MAX_NUM_OF_TRACKS )
445 return ERROR_MSG( "you specified options to exceed the maximum number of tracks per input files.\n" );
446 input->file_name = strtok( argv[i], "?" );
447 input_movie_opt->whole_track_option = strtok( NULL, "" );
448 if( input_movie_opt->num_of_track_delimiters )
449 {
450 input_track_option_t *track_opt = &input->track[0].opt;
451 track_opt->raws = strtok( input_movie_opt->whole_track_option, "?" );
452 #if (MAX_NUM_OF_TRACKS - 1)
453 for( uint32_t j = 1; j < input_movie_opt->num_of_track_delimiters; j++ )
454 {
455 track_opt = &input->track[j].opt;
456 track_opt->raws = strtok( NULL, "?" );
457 }
458 #endif
459 }
460 ++ opt->num_of_inputs;
461 }
462 else if( !strcasecmp( argv[i], "-o" ) || !strcasecmp( argv[i], "--output" ) )
463 {
464 CHECK_NEXT_ARG;
465 muxer->output.file.name = argv[i];
466 }
467 else if( !strcasecmp( argv[i], "--optimize-pd" ) )
468 opt->optimize_pd = 1;
469 else if( !strcasecmp( argv[i], "--interleave" ) )
470 {
471 CHECK_NEXT_ARG;
472 if( opt->interleave )
473 return ERROR_MSG( "you specified --interleave twice.\n" );
474 opt->interleave = atoi( argv[i] );
475 }
476 else if( !strcasecmp( argv[i], "--file-format" ) )
477 {
478 CHECK_NEXT_ARG;
479 static const struct
480 {
481 uint32_t brand_4cc;
482 char *file_format;
483 } file_format_list[]
484 = {
485 { ISOM_BRAND_TYPE_MP42, "mp4" },
486 { ISOM_BRAND_TYPE_QT, "mov" },
487 { ISOM_BRAND_TYPE_3GP6, "3gp" },
488 { ISOM_BRAND_TYPE_3G2A, "3g2" },
489 { ISOM_BRAND_TYPE_M4A, "m4a" },
490 { ISOM_BRAND_TYPE_M4V, "m4v" },
491 { 0, NULL }
492 };
493 char *file_format = NULL;
494 while( (file_format = strtok( file_format ? NULL : argv[i], "," )) != NULL )
495 {
496 int j;
497 for( j = 0; file_format_list[j].file_format; j++ )
498 if( !strcmp( file_format, file_format_list[j].file_format ) )
499 {
500 int ret = add_brand( opt, file_format_list[j].brand_4cc );
501 if( ret == -2 )
502 return ERROR_MSG( "you specified same output file format twice.\n" );
503 else if( ret == -1 )
504 return ERROR_MSG( "exceed the maximum number of brands we can deal with.\n" );
505 break;
506 }
507 if( !file_format_list[j].file_format )
508 return MUXER_USAGE_ERR();
509 }
510 }
511 else if( !strcasecmp( argv[i], "--isom-version" ) )
512 {
513 CHECK_NEXT_ARG;
514 if( opt->isom_version )
515 return ERROR_MSG( "you specified --isom-version twice.\n" );
516 opt->isom_version = atoi( argv[i] );
517 }
518 else if( !strcasecmp( argv[i], "--shift-timeline" ) )
519 opt->timeline_shift = 1;
520 else if( !strcasecmp( argv[i], "--chapter" ) )
521 {
522 CHECK_NEXT_ARG;
523 opt->chap_file = argv[i];
524 }
525 else if( !strcasecmp( argv[i], "--chapter-track" ) )
526 {
527 CHECK_NEXT_ARG;
528 opt->chap_track = atoi( argv[i] );
529 if( !opt->chap_track )
530 return ERROR_MSG( "%s is an invalid track number.\n", argv[i] );
531 }
532 else if( !strcasecmp( argv[i], "--chpl-with-bom" ) )
533 opt->add_bom_to_chpl = 1;
534 else if( !strcasecmp( argv[i], "--copyright-notice" ) )
535 {
536 CHECK_NEXT_ARG;
537 if( opt->copyright_notice )
538 return ERROR_MSG( "you specified --copyright-notice twice.\n" );
539 opt->copyright_notice = argv[i];
540 char *language = opt->copyright_notice;
541 while( *language )
542 {
543 if( *language == '/' )
544 {
545 *language++ = '\0';
546 break;
547 }
548 ++language;
549 }
550 opt->copyright_language = language ? lsmash_pack_iso_language( language ) : ISOM_LANGUAGE_CODE_UNDEFINED;
551 }
552 /* iTunes metadata */
553 #define CHECK_ITUNES_METADATA_ARG_STRING( argument, value ) \
554 else if( !strcasecmp( argv[i], "--"#argument ) ) \
555 { \
556 CHECK_NEXT_ARG; \
557 if( opt->itunes_metadata.value ) \
558 return ERROR_MSG( "you specified --"#argument" twice.\n" ); \
559 opt->itunes_metadata.value = argv[i]; \
560 }
561 CHECK_ITUNES_METADATA_ARG_STRING( album-name, album_name )
562 CHECK_ITUNES_METADATA_ARG_STRING( artist, artist )
563 CHECK_ITUNES_METADATA_ARG_STRING( comment, comment )
564 CHECK_ITUNES_METADATA_ARG_STRING( release-date, release_date )
565 CHECK_ITUNES_METADATA_ARG_STRING( encoder, encoder )
566 CHECK_ITUNES_METADATA_ARG_STRING( genre, genre )
567 CHECK_ITUNES_METADATA_ARG_STRING( lyrics, lyrics )
568 CHECK_ITUNES_METADATA_ARG_STRING( title, title )
569 CHECK_ITUNES_METADATA_ARG_STRING( composer, composer )
570 CHECK_ITUNES_METADATA_ARG_STRING( album-artist, album_artist )
571 CHECK_ITUNES_METADATA_ARG_STRING( copyright, copyright )
572 CHECK_ITUNES_METADATA_ARG_STRING( description, description )
573 CHECK_ITUNES_METADATA_ARG_STRING( grouping, grouping )
574 #undef CHECK_ITUNES_METADATA_ARG_STRING
575 else if( !strcasecmp( argv[i], "--tempo" ) )
576 {
577 CHECK_NEXT_ARG;
578 if( opt->itunes_metadata.beats_per_minute )
579 return ERROR_MSG( "you specified --tempo twice.\n" );
580 opt->itunes_metadata.beats_per_minute = atoi( argv[i] );
581 }
582 else if( !strcasecmp( argv[i], "--language" ) )
583 {
584 CHECK_NEXT_ARG;
585 opt->default_language = lsmash_pack_iso_language( argv[i] );
586 }
587 #undef CHECK_NEXT_ARG
588 else
589 return ERROR_MSG( "you specified invalid option: %s.\n", argv[i] );
590 ++i;
591 }
592 if( !muxer->output.file.name )
593 return ERROR_MSG( "output file name is not specified.\n" );
594 if( decide_brands( opt ) )
595 return ERROR_MSG( "failed to set up output file format.\n" );
596 if( opt->timeline_shift && !opt->qtff && opt->isom_version < 4 )
597 return ERROR_MSG( "timeline shift requires --file-format mov, or --isom-version 4 or later.\n" );
598 muxer->num_of_inputs = opt->num_of_inputs;
599 return 0;
600 }
601
602 static int parse_track_options( input_t *input )
603 {
604 for( input->current_track_number = 1;
605 input->current_track_number <= input->num_of_tracks;
606 input->current_track_number ++ )
607 {
608 input_track_t *in_track = &input->track[input->current_track_number - 1];
609 input_track_option_t *track_opt = &in_track->opt;
610 if( track_opt->raws == NULL )
611 break;
612 #if 0
613 if( !strchr( track_opt->raws, ':' )
614 || strchr( track_opt->raws, ':' ) == track_opt->raws )
615 return ERROR_MSG( "track number is not specified in %s\n", track_opt->raws );
616 if( strchr( track_opt->raws, ':' ) != strrchr( track_opt->raws, ':' ) )
617 return ERROR_MSG( "multiple colons inside one track option in %s.\n", track_opt->raws );
618 uint32_t track_number = atoi( strtok( track_opt->raws, ":" ) );
619 if( track_number == 0 || track_number > MAX_NUM_OF_TRACKS )
620 return ERROR_MSG( "%s is an invalid track number %"PRIu32".\n", strtok( track_opt->raws, ":" ), track_number );
621 in_track = &input->track[track_number - 1];
622 track_opt = &in_track->opt;
623 char *track_option;
624 while( (track_option = strtok( NULL, "," )) != NULL )
625 #else
626 char *track_option = NULL;
627 while( (track_option = strtok( track_option ? NULL : track_opt->raws, "," )) != NULL )
628 #endif
629 {
630 if( strchr( track_option, '=' ) != strrchr( track_option, '=' ) )
631 return ERROR_MSG( "multiple equal signs inside one track option in %s\n", track_option );
632 if( strstr( track_option, "disable" ) )
633 track_opt->disable = 1;
634 else if( strstr( track_option, "alternate-group=" ) )
635 {
636 char *track_parameter = strchr( track_option, '=' ) + 1;
637 track_opt->alternate_group = atoi( track_parameter );
638 }
639 else if( strstr( track_option, "encoder-delay=" ) )
640 {
641 char *track_parameter = strchr( track_option, '=' ) + 1;
642 track_opt->encoder_delay = atoi( track_parameter );
643 }
644 else if( strstr( track_option, "language=" ) )
645 {
646 char *track_parameter = strchr( track_option, '=' ) + 1;
647 track_opt->ISO_language = lsmash_pack_iso_language( track_parameter );
648 }
649 else if( strstr( track_option, "fps=" ) )
650 {
651 char *track_parameter = strchr( track_option, '=' ) + 1;
652 if( sscanf( track_parameter, "%"SCNu32"/%"SCNu32, &track_opt->fps_num, &track_opt->fps_den ) == 1 )
653 {
654 track_opt->fps_num = atoi( track_parameter );
655 track_opt->fps_den = 1;
656 }
657 track_opt->user_fps = 1;
658 }
659 else if( strstr( track_option, "copyright=" ) )
660 {
661 char *track_parameter = strchr( track_option, '=' ) + 1;
662 track_opt->copyright_notice = track_parameter;
663 while( *track_parameter )
664 {
665 if( *track_parameter == '/' )
666 {
667 *track_parameter++ = '\0';
668 break;
669 }
670 ++track_parameter;
671 }
672 track_opt->copyright_language = lsmash_pack_iso_language( track_parameter );
673 }
674 else if( strstr( track_option, "handler=" ) )
675 {
676 char *track_parameter = strchr( track_option, '=' ) + 1;
677 track_opt->handler_name = track_parameter;
678 }
679 else if( strstr( track_option, "sbr" ) )
680 track_opt->sbr = 1;
681 else
682 return ERROR_MSG( "unknown track option %s\n", track_option );
683 }
684 }
685 return 0;
686 }
687
688 static void display_codec_name( lsmash_codec_type_t codec_type, uint32_t track_number )
689 {
690 #define DISPLAY_CODEC_NAME( codec, codec_name ) \
691 else if( lsmash_check_codec_type_identical( codec_type, codec ) ) \
692 eprintf( "Track %"PRIu32": "#codec_name"\n", track_number )
693 if( 0 );
694 DISPLAY_CODEC_NAME( ISOM_CODEC_TYPE_AVC1_VIDEO, H.264 Advanced Video Coding );
695 DISPLAY_CODEC_NAME( ISOM_CODEC_TYPE_HVC1_VIDEO, H.265 High Efficiency Video Coding );
696 DISPLAY_CODEC_NAME( ISOM_CODEC_TYPE_VC_1_VIDEO, SMPTE VC-1 Advanced Profile );
697 DISPLAY_CODEC_NAME( ISOM_CODEC_TYPE_MP4A_AUDIO, MPEG-4 Audio );
698 DISPLAY_CODEC_NAME( QT_CODEC_TYPE_MP4A_AUDIO, MPEG-4 Audio );
699 DISPLAY_CODEC_NAME( ISOM_CODEC_TYPE_AC_3_AUDIO, AC-3 );
700 DISPLAY_CODEC_NAME( ISOM_CODEC_TYPE_EC_3_AUDIO, Enhanced AC-3 );
701 DISPLAY_CODEC_NAME( ISOM_CODEC_TYPE_DTSC_AUDIO, DTS );
702 DISPLAY_CODEC_NAME( ISOM_CODEC_TYPE_DTSE_AUDIO, DTS LBR );
703 DISPLAY_CODEC_NAME( ISOM_CODEC_TYPE_DTSH_AUDIO, DTS-HD );
704 DISPLAY_CODEC_NAME( ISOM_CODEC_TYPE_DTSL_AUDIO, DTS-HD Lossless );
705 DISPLAY_CODEC_NAME( ISOM_CODEC_TYPE_SAWB_AUDIO, Wideband AMR voice );
706 DISPLAY_CODEC_NAME( ISOM_CODEC_TYPE_SAMR_AUDIO, Narrowband AMR voice );
707 DISPLAY_CODEC_NAME( QT_CODEC_TYPE_LPCM_AUDIO, Uncompressed Audio );
708 #undef DISPLAY_CODEC_NAME
709 }
710
711 static int open_input_files( muxer_t *muxer )
712 {
713 output_movie_t *out_movie = &muxer->output.file.movie;
714 option_t *opt = &muxer->opt;
715 for( uint32_t current_input_number = 1; current_input_number <= muxer->num_of_inputs; current_input_number++ )
716 {
717 input_t *input = &muxer->input[current_input_number - 1];
718 /* Initialize importer framework. */
719 input->importer = lsmash_importer_open( input->file_name, "auto" );
720 if( !input->importer )
721 return ERROR_MSG( "failed to open input file.\n" );
722 input->num_of_tracks = lsmash_importer_get_track_count( input->importer );
723 if( input->num_of_tracks == 0 )
724 return ERROR_MSG( "there is no valid track in input file.\n" );
725 if( opt->default_language )
726 for( int i = 0; i < input->num_of_tracks; i ++ )
727 input->track[i].opt.ISO_language = opt->default_language;
728 /* Parse track options */
729 if( parse_track_options( input ) )
730 return ERROR_MSG( "failed to parse track options.\n" );
731 /* Activate tracks by CODEC type. */
732 for( input->current_track_number = 1;
733 input->current_track_number <= input->num_of_tracks;
734 input->current_track_number ++ )
735 {
736 input_track_t *in_track = &input->track[input->current_track_number - 1];
737 int err = lsmash_importer_construct_timeline( input->importer, input->current_track_number );
738 if( err < 0 && err != LSMASH_ERR_PATCH_WELCOME )
739 {
740 in_track->active = 0;
741 continue;
742 }
743 in_track->summary = lsmash_duplicate_summary( input->importer, input->current_track_number );
744 if( !in_track->summary )
745 return ERROR_MSG( "failed to get input summary.\n" );
746 /* Check codec type. */
747 lsmash_codec_type_t codec_type = in_track->summary->sample_type;
748 in_track->active = 1;
749 if( lsmash_check_codec_type_identical( codec_type, ISOM_CODEC_TYPE_AVC1_VIDEO ) )
750 {
751 if( opt->isom )
752 add_brand( opt, ISOM_BRAND_TYPE_AVC1 );
753 }
754 else if( lsmash_check_codec_type_identical( codec_type, ISOM_CODEC_TYPE_HVC1_VIDEO ) )
755 {
756 if( !opt->isom && opt->qtff )
757 return ERROR_MSG( "the input seems HEVC, at present available only for ISO Base Media file format.\n" );
758 }
759 else if( lsmash_check_codec_type_identical( codec_type, ISOM_CODEC_TYPE_VC_1_VIDEO ) )
760 {
761 if( !opt->isom && opt->qtff )
762 return ERROR_MSG( "the input seems VC-1, at present available only for ISO Base Media file format.\n" );
763 }
764 else if( lsmash_check_codec_type_identical( codec_type, ISOM_CODEC_TYPE_MP4A_AUDIO )
765 || lsmash_check_codec_type_identical( codec_type, QT_CODEC_TYPE_MP4A_AUDIO ) )
766 /* Do nothing. */;
767 else if( lsmash_check_codec_type_identical( codec_type, ISOM_CODEC_TYPE_AC_3_AUDIO )
768 || lsmash_check_codec_type_identical( codec_type, ISOM_CODEC_TYPE_EC_3_AUDIO ) )
769 {
770 if( !opt->isom && opt->qtff )
771 return ERROR_MSG( "the input seems (Enhanced) AC-3, at present available only for ISO Base Media file format.\n" );
772 add_brand( opt, ISOM_BRAND_TYPE_DBY1 );
773 }
774 else if( lsmash_check_codec_type_identical( codec_type, ISOM_CODEC_TYPE_DTSC_AUDIO )
775 || lsmash_check_codec_type_identical( codec_type, ISOM_CODEC_TYPE_DTSE_AUDIO )
776 || lsmash_check_codec_type_identical( codec_type, ISOM_CODEC_TYPE_DTSH_AUDIO )
777 || lsmash_check_codec_type_identical( codec_type, ISOM_CODEC_TYPE_DTSL_AUDIO ) )
778 {
779 if( !opt->isom && opt->qtff )
780 return ERROR_MSG( "the input seems DTS(-HD) Audio, at present available only for ISO Base Media file format.\n" );
781 }
782 else if( lsmash_check_codec_type_identical( codec_type, ISOM_CODEC_TYPE_SAWB_AUDIO )
783 || lsmash_check_codec_type_identical( codec_type, ISOM_CODEC_TYPE_SAMR_AUDIO ) )
784 {
785 if( !opt->brand_3gx )
786 return ERROR_MSG( "the input seems AMR-NB/WB, available for 3GPP(2) file format.\n" );
787 }
788 else if( lsmash_check_codec_type_identical( codec_type, QT_CODEC_TYPE_LPCM_AUDIO ) )
789 {
790 if( opt->isom && !opt->qtff )
791 return ERROR_MSG( "the input seems Uncompressed Audio, at present available only for QuickTime file format.\n" );
792 in_track->lpcm = 1;
793 }
794 else
795 {
796 lsmash_cleanup_summary( in_track->summary );
797 in_track->summary = NULL;
798 in_track->active = 0;
799 }
800 if( in_track->active )
801 {
802 ++ input->num_of_active_tracks;
803 display_codec_name( codec_type, out_movie->num_of_tracks + input->num_of_active_tracks );
804 }
805 }
806 out_movie->num_of_tracks += input->num_of_active_tracks;
807 }
808 if( out_movie->num_of_tracks == 0 )
809 return ERROR_MSG( "there is no media that can be stored in output movie.\n" );
810 return 0;
811 }
812
813 static int set_itunes_metadata( output_t *output, option_t *opt )
814 {
815 if( !opt->itunes_movie )
816 return 0;
817 itunes_metadata_t *metadata = &opt->itunes_metadata;
818 #define SET_ITUNES_METADATA( item, type, value ) \
819 if( value \
820 && lsmash_set_itunes_metadata( output->root, (lsmash_itunes_metadata_t){ item, ITUNES_METADATA_TYPE_NONE, { .type = value }, NULL, NULL } ) ) \
821 return -1
822 SET_ITUNES_METADATA( ITUNES_METADATA_ITEM_ENCODING_TOOL, string, "L-SMASH" );
823 SET_ITUNES_METADATA( ITUNES_METADATA_ITEM_ALBUM_NAME, string, metadata->album_name );
824 SET_ITUNES_METADATA( ITUNES_METADATA_ITEM_ARTIST, string, metadata->artist );
825 SET_ITUNES_METADATA( ITUNES_METADATA_ITEM_USER_COMMENT, string, metadata->comment );
826 SET_ITUNES_METADATA( ITUNES_METADATA_ITEM_RELEASE_DATE, string, metadata->release_date );
827 SET_ITUNES_METADATA( ITUNES_METADATA_ITEM_ENCODED_BY, string, metadata->encoder );
828 SET_ITUNES_METADATA( ITUNES_METADATA_ITEM_USER_GENRE, string, metadata->genre );
829 SET_ITUNES_METADATA( ITUNES_METADATA_ITEM_LYRICS, string, metadata->lyrics );
830 SET_ITUNES_METADATA( ITUNES_METADATA_ITEM_TITLE, string, metadata->title );
831 SET_ITUNES_METADATA( ITUNES_METADATA_ITEM_COMPOSER, string, metadata->composer );
832 SET_ITUNES_METADATA( ITUNES_METADATA_ITEM_ALBUM_ARTIST, string, metadata->album_artist );
833 SET_ITUNES_METADATA( ITUNES_METADATA_ITEM_COPYRIGHT, string, metadata->copyright );
834 SET_ITUNES_METADATA( ITUNES_METADATA_ITEM_DESCRIPTION, string, metadata->description );
835 SET_ITUNES_METADATA( ITUNES_METADATA_ITEM_GROUPING, string, metadata->grouping );
836 SET_ITUNES_METADATA( ITUNES_METADATA_ITEM_BEATS_PER_MINUTE, integer, metadata->beats_per_minute );
837 #undef SET_ITUNES_METADATA
838 return 0;
839 }
840
841 static int prepare_output( muxer_t *muxer )
842 {
843 option_t *opt = &muxer->opt;
844 output_t *output = &muxer->output;
845 output_file_t *out_file = &output->file;
846 output_movie_t *out_movie = &out_file->movie;
847 /* Allocate output tracks. */
848 out_movie->track = lsmash_malloc( out_movie->num_of_tracks * sizeof(output_track_t) );
849 if( !out_movie->track )
850 return ERROR_MSG( "failed to allocate output tracks.\n" );
851 memset( out_movie->track, 0, out_movie->num_of_tracks * sizeof(output_track_t) );
852 /* Initialize L-SMASH muxer */
853 output->root = lsmash_create_root();
854 if( !output->root )
855 return ERROR_MSG( "failed to create a ROOT.\n" );
856 lsmash_file_parameters_t *file_param = &out_file->param;
857 if( lsmash_open_file( out_file->name, 0, file_param ) < 0 )
858 return ERROR_MSG( "failed to open an output file.\n" );
859 file_param->major_brand = opt->major_brand;
860 file_param->brands = opt->brands;
861 file_param->brand_count = opt->num_of_brands;
862 file_param->minor_version = opt->minor_version;
863 if( opt->interleave )
864 file_param->max_chunk_duration = opt->interleave * 1e-3;
865 out_file->fh = lsmash_set_file( output->root, file_param );
866 if( !out_file->fh )
867 return ERROR_MSG( "failed to add an output file into a ROOT.\n" );
868 /* Initialize movie */
869 lsmash_movie_parameters_t movie_param;
870 lsmash_initialize_movie_parameters( &movie_param );
871 if( lsmash_set_movie_parameters( output->root, &movie_param ) )
872 return ERROR_MSG( "failed to set movie parameters.\n" );
873 if( opt->copyright_notice
874 && lsmash_set_copyright( output->root, 0, opt->copyright_language, opt->copyright_notice ) )
875 return ERROR_MSG( "failed to set a copyright notice for the entire movie.\n" );
876 if( set_itunes_metadata( output, opt ) )
877 return ERROR_MSG( "failed to set iTunes metadata.\n" );
878 out_movie->current_track_number = 1;
879 for( uint32_t current_input_number = 1; current_input_number <= muxer->num_of_inputs; current_input_number++ )
880 {
881 input_t *input = &muxer->input[current_input_number - 1];
882 for( input->current_track_number = 1;
883 input->current_track_number <= input->num_of_tracks;
884 input->current_track_number ++ )
885 {
886 input_track_t *in_track = &input->track[ input->current_track_number - 1 ];
887 if( !in_track->active )
888 continue;
889 input_track_option_t *track_opt = &in_track->opt;
890 output_track_t *out_track = &out_movie->track[ out_movie->current_track_number - 1 ];
891 /* Set up track parameters. */
892 lsmash_track_parameters_t track_param;
893 lsmash_initialize_track_parameters( &track_param );
894 track_param.mode = ISOM_TRACK_IN_MOVIE | ISOM_TRACK_IN_PREVIEW;
895 if( !track_opt->disable )
896 track_param.mode |= ISOM_TRACK_ENABLED;
897 if( opt->qtff )
898 track_param.mode |= QT_TRACK_IN_POSTER;
899 track_param.alternate_group = track_opt->alternate_group;
900 lsmash_media_parameters_t media_param;
901 lsmash_initialize_media_parameters( &media_param );
902 media_param.ISO_language = track_opt->ISO_language;
903 switch( in_track->summary->summary_type )
904 {
905 case LSMASH_SUMMARY_TYPE_VIDEO :
906 {
907 out_track->track_ID = lsmash_create_track( output->root, ISOM_MEDIA_HANDLER_TYPE_VIDEO_TRACK );
908 if( !out_track->track_ID )
909 return ERROR_MSG( "failed to create a track.\n" );
910 lsmash_video_summary_t *summary = (lsmash_video_summary_t *)in_track->summary;
911 uint64_t display_width = (uint64_t)summary->width << 16;
912 uint64_t display_height = (uint64_t)summary->height << 16;
913 if( summary->par_h && summary->par_v )
914 {
915 double sar = (double)summary->par_h / summary->par_v;
916 if( sar > 1.0 )
917 display_width *= sar;
918 else
919 display_height /= sar;
920 }
921 track_param.display_width = display_width <= UINT32_MAX ? display_width : UINT32_MAX;
922 track_param.display_height = display_height <= UINT32_MAX ? display_height : UINT32_MAX;
923 /* Initialize media */
924 uint32_t timescale = 25; /* default value */
925 uint32_t timebase = 1; /* default value */
926 if( track_opt->user_fps )
927 {
928 timescale = track_opt->fps_num << (!!summary->sample_per_field);
929 timebase = track_opt->fps_den;
930 }
931 else if( !summary->vfr )
932 {
933 if( lsmash_check_codec_type_identical( summary->sample_type, ISOM_CODEC_TYPE_AVC1_VIDEO )
934 || lsmash_check_codec_type_identical( summary->sample_type, ISOM_CODEC_TYPE_HVC1_VIDEO ) )
935 {
936 uint32_t compare_timebase = summary->timebase;
937 uint32_t compare_timescale = summary->timescale;
938 static const struct
939 {
940 uint32_t timescale;
941 uint32_t timebase;
942 } well_known_fps[]
943 = {
944 { 24000, 1001 }, { 30000, 1001 }, { 60000, 1001 }, { 120000, 1001 }, { 72000, 1001 },
945 { 25, 1 }, { 50, 1 }, { 24, 1 }, { 30, 1 }, { 60, 1 }, { 120, 1 }, { 72, 1 }, { 0, 0 }
946 };
947 for( int i = 0; well_known_fps[i].timescale; i++ )
948 if( well_known_fps[i].timescale == compare_timescale
949 && well_known_fps[i].timebase == compare_timebase )
950 {
951 timescale = well_known_fps[i].timescale;
952 timebase = well_known_fps[i].timebase;
953 break;
954 }
955 lsmash_codec_specific_t *bitrate = lsmash_create_codec_specific_data( LSMASH_CODEC_SPECIFIC_DATA_TYPE_ISOM_VIDEO_H264_BITRATE,
956 LSMASH_CODEC_SPECIFIC_FORMAT_STRUCTURED );
957 if( bitrate )
958 lsmash_add_codec_specific_data( in_track->summary, bitrate );
959 lsmash_destroy_codec_specific_data( bitrate );
960 }
961 else
962 {
963 timescale = summary->timescale;
964 timebase = summary->timebase;
965 }
966 }
967 media_param.timescale = timescale;
968 media_param.media_handler_name = track_opt->handler_name ? track_opt->handler_name : "L-SMASH Video Handler";
969 media_param.roll_grouping = 1;
970 media_param.rap_grouping = opt->isom_version >= 6;
971 out_track->timescale = timescale;
972 out_track->timebase = timebase;
973 break;
974 }
975 case LSMASH_SUMMARY_TYPE_AUDIO :
976 {
977 out_track->track_ID = lsmash_create_track( output->root, ISOM_MEDIA_HANDLER_TYPE_AUDIO_TRACK );
978 if( !out_track->track_ID )
979 return ERROR_MSG( "failed to create a track.\n" );
980 lsmash_audio_summary_t *summary = (lsmash_audio_summary_t *)in_track->summary;
981 if( track_opt->sbr )
982 {
983 /* Check if explicit SBR is valid or not. */
984 if( lsmash_mp4sys_get_object_type_indication( (lsmash_summary_t *)summary ) != MP4SYS_OBJECT_TYPE_Audio_ISO_14496_3 )
985 return ERROR_MSG( "--sbr is only valid with MPEG-4 Audio.\n" );
986 summary->sbr_mode = MP4A_AAC_SBR_BACKWARD_COMPATIBLE;
987 if( lsmash_setup_AudioSpecificConfig( summary ) )
988 return ERROR_MSG( "failed to set SBR mode.\n" );
989 }
990 media_param.timescale = summary->frequency;
991 media_param.media_handler_name = track_opt->handler_name ? track_opt->handler_name : "L-SMASH Audio Handler";
992 media_param.roll_grouping = (opt->isom_version >= 2 || (opt->qtff && !in_track->lpcm));
993 out_track->priming_samples = track_opt->encoder_delay;
994 out_track->timescale = summary->frequency;
995 out_track->timebase = 1;
996 out_track->lpcm = in_track->lpcm;
997 break;
998 }
999 default :
1000 return ERROR_MSG( "not supported stream type.\n" );
1001 }
1002 /* Reset the movie timescale in order to match the media timescale if only one track is there. */
1003 if( muxer->num_of_inputs == 1
1004 && current_input_number == 1
1005 && input->current_track_number == 1 )
1006 {
1007 movie_param.timescale = media_param.timescale;
1008 if( lsmash_set_movie_parameters( output->root, &movie_param ) )
1009 return ERROR_MSG( "failed to set movie parameters.\n" );
1010 }
1011 /* Set copyright information. */
1012 if( track_opt->copyright_notice
1013 && lsmash_set_copyright( output->root, out_track->track_ID, track_opt->copyright_language, track_opt->copyright_notice ) )
1014 return ERROR_MSG( "failed to set a copyright notice.\n" );
1015 /* Set track parameters. */
1016 if( lsmash_set_track_parameters( output->root, out_track->track_ID, &track_param ) )
1017 return ERROR_MSG( "failed to set track parameters.\n" );
1018 /* Set media parameters. */
1019 if( lsmash_set_media_parameters( output->root, out_track->track_ID, &media_param ) )
1020 return ERROR_MSG( "failed to set media parameters.\n" );
1021 out_track->summary = in_track->summary;
1022 out_track->sample_entry = lsmash_add_sample_entry( output->root, out_track->track_ID, out_track->summary );
1023 if( !out_track->sample_entry )
1024 return ERROR_MSG( "failed to add sample description entry.\n" );
1025 out_track->active = 1;
1026 ++ out_movie->current_track_number;
1027 }
1028 input->current_track_number = 1;
1029 }
1030 out_movie->current_track_number = 1;
1031 return 0;
1032 }
1033
1034 static void set_reference_chapter_track( output_t *output, option_t *opt )
1035 {
1036 if( !opt->chap_file || (!opt->qtff && !opt->itunes_movie) || (opt->brand_3gx == 1) )
1037 return;
1038 lsmash_create_reference_chapter_track( output->root, opt->chap_track, opt->chap_file );
1039 }
1040
1041 static int do_mux( muxer_t *muxer )
1042 {
1043 #define LSMASH_MAX( a, b ) ((a) > (b) ? (a) : (b))
1044 option_t *opt = &muxer->opt;
1045 output_t *output = &muxer->output;
1046 output_movie_t *out_movie = &output->file.movie;
1047 set_reference_chapter_track( output, opt );
1048 double largest_dts = 0;
1049 uint32_t current_input_number = 1;
1050 uint32_t num_consecutive_sample_skip = 0;
1051 uint32_t num_active_input_tracks = out_movie->num_of_tracks;
1052 uint64_t total_media_size = 0;
1053 uint8_t sample_count = 0;
1054 while( 1 )
1055 {
1056 input_t *input = &muxer->input[current_input_number - 1];
1057 output_track_t *out_track = &out_movie->track[ out_movie->current_track_number - 1 ];
1058 if( out_track->active )
1059 {
1060 lsmash_sample_t *sample = out_track->sample;
1061 /* Get a new sample data if the track doesn't hold any one. */
1062 if( !sample )
1063 {
1064 /* lsmash_importer_get_access_unit() returns 1 if there're any changes in stream's properties. */
1065 int ret = lsmash_importer_get_access_unit( input->importer, input->current_track_number, &sample );
1066 if( ret == LSMASH_ERR_MEMORY_ALLOC )
1067 return ERROR_MSG( "failed to alloc memory for buffer.\n" );
1068 else if( ret <= -1 )
1069 {
1070 lsmash_delete_sample( sample );
1071 ERROR_MSG( "failed to get a frame from input file. Maybe corrupted.\n"
1072 "Aborting muxing operation and trying to let output be valid file.\n" );
1073 break;
1074 }
1075 else if( ret == 1 ) /* a change of stream's properties */
1076 {
1077 input_track_t *in_track = &input->track[input->current_track_number - 1];
1078 lsmash_cleanup_summary( in_track->summary );
1079 in_track->summary = lsmash_duplicate_summary( input->importer, input->current_track_number );
1080 out_track->summary = in_track->summary;
1081 out_track->sample_entry = lsmash_add_sample_entry( output->root, out_track->track_ID, out_track->summary );
1082 if( !out_track->sample_entry )
1083 {
1084 ERROR_MSG( "failed to add sample description entry.\n" );
1085 break;
1086 }
1087 }
1088 else if( ret == 2 ) /* EOF */
1089 {
1090 /* No more appendable samples in this track. */
1091 lsmash_delete_sample( sample );
1092 sample = NULL;
1093 out_track->active = 0;
1094 out_track->last_delta = lsmash_importer_get_last_delta( input->importer, input->current_track_number );
1095 if( out_track->last_delta == 0 )
1096 ERROR_MSG( "failed to get the last sample delta.\n" );
1097 out_track->last_delta *= out_track->timebase;
1098 if( --num_active_input_tracks == 0 )
1099 break; /* Reached the end of whole tracks. */
1100 }
1101 if( sample )
1102 {
1103 sample->index = out_track->sample_entry;
1104 sample->dts *= out_track->timebase;
1105 sample->cts *= out_track->timebase;
1106 if( opt->timeline_shift )
1107 {
1108 if( out_track->current_sample_number == 0 )
1109 out_track->ctd_shift = sample->cts;
1110 sample->cts -= out_track->ctd_shift;
1111 }
1112 out_track->dts = (double)sample->dts / out_track->timescale;
1113 out_track->sample = sample;
1114 }
1115 }
1116 if( sample )
1117 {
1118 /* Append a sample if meeting a condition. */
1119 if( out_track->dts <= largest_dts || num_consecutive_sample_skip == num_active_input_tracks )
1120 {
1121 uint64_t sample_size = sample->length; /* sample might be deleted internally after appending. */
1122 uint64_t sample_dts = sample->dts; /* same as above */
1123 uint64_t sample_cts = sample->cts; /* same as above */
1124 if( lsmash_append_sample( output->root, out_track->track_ID, sample ) )
1125 return ERROR_MSG( "failed to append a sample.\n" );
1126 if( out_track->current_sample_number == 0 )
1127 out_track->start_offset = sample_cts;
1128 else
1129 out_track->last_delta = sample_dts - out_track->prev_dts; /* for any changes in stream's properties */
1130 out_track->prev_dts = sample_dts;
1131 out_track->sample = NULL;
1132 largest_dts = LSMASH_MAX( largest_dts, out_track->dts );
1133 total_media_size += sample_size;
1134 ++ out_track->current_sample_number;
1135 num_consecutive_sample_skip = 0;
1136 /* Print, per 256 samples, total size of imported media. */
1137 if( ++sample_count == 0 )
1138 {
1139 REFRESH_CONSOLE;
1140 eprintf( "Importing: %"PRIu64" bytes\r", total_media_size );
1141 }
1142 }
1143 else
1144 ++num_consecutive_sample_skip; /* Skip appendig sample. */
1145 }
1146 }
1147 if( ++ out_movie->current_track_number > out_movie->num_of_tracks )
1148 out_movie->current_track_number = 1; /* Back the first output track. */
1149 /* Move the next track. */
1150 if( ++ input->current_track_number > input->num_of_tracks )
1151 {
1152 /* Move the next input movie. */
1153 input->current_track_number = 1;
1154 if( ++ current_input_number > muxer->num_of_inputs )
1155 current_input_number = 1; /* Back the first input movie. */
1156 }
1157 }
1158 for( out_movie->current_track_number = 1;
1159 out_movie->current_track_number <= out_movie->num_of_tracks;
1160 out_movie->current_track_number ++ )
1161 {
1162 /* Close track. */
1163 output_track_t *out_track = &out_movie->track[ out_movie->current_track_number - 1 ];
1164 uint32_t last_sample_delta = out_track->lpcm ? 1 : out_track->last_delta;
1165 if( lsmash_flush_pooled_samples( output->root, out_track->track_ID, last_sample_delta ) )
1166 ERROR_MSG( "failed to flush the rest of samples.\n" );
1167 /* Create edit list.
1168 * Don't trust media duration basically. It's just duration of media, not duration of track presentation. */
1169 uint64_t actual_duration = out_track->lpcm
1170 ? lsmash_get_media_duration( output->root, out_track->track_ID )
1171 : out_track->prev_dts + last_sample_delta;
1172 actual_duration -= out_track->priming_samples;
1173 lsmash_edit_t edit;
1174 edit.duration = actual_duration * ((double)lsmash_get_movie_timescale( output->root ) / out_track->timescale);
1175 edit.start_time = out_track->priming_samples + out_track->start_offset;
1176 edit.rate = ISOM_EDIT_MODE_NORMAL;
1177 if( lsmash_create_explicit_timeline_map( output->root, out_track->track_ID, edit ) )
1178 ERROR_MSG( "failed to set timeline map.\n" );
1179 }
1180 return 0;
1181 #undef LSMASH_MAX
1182 }
1183
1184 static int moov_to_front_callback( void *param, uint64_t written_movie_size, uint64_t total_movie_size )
1185 {
1186 REFRESH_CONSOLE;
1187 eprintf( "Finalizing: [%5.2lf%%]\r", total_movie_size ? ((double)written_movie_size / total_movie_size) * 100.0 : 0 );
1188 return 0;
1189 }
1190
1191 static int finish_movie( output_t *output, option_t *opt )
1192 {
1193 /* Set chapter list. */
1194 if( opt->chap_file )
1195 lsmash_set_tyrant_chapter( output->root, opt->chap_file, opt->add_bom_to_chpl );
1196 /* Close movie. */
1197 REFRESH_CONSOLE;
1198 if( opt->optimize_pd )
1199 {
1200 lsmash_adhoc_remux_t moov_to_front;
1201 moov_to_front.func = moov_to_front_callback;
1202 moov_to_front.buffer_size = 4*1024*1024; /* 4MiB */
1203 moov_to_front.param = NULL;
1204 return lsmash_finish_movie( output->root, &moov_to_front );
1205 }
1206 if( lsmash_finish_movie( output->root, NULL ) )
1207 return -1;
1208 return lsmash_write_lsmash_indicator( output->root );
1209 }
1210
1211 int main( int argc, char *argv[] )
1212 {
1213 muxer_t muxer = { { 0 } };
1214 lsmash_get_mainargs( &argc, &argv );
1215 if( parse_global_options( argc, argv, &muxer ) )
1216 return MUXER_USAGE_ERR();
1217 if( muxer.opt.help )
1218 {
1219 display_help();
1220 cleanup_muxer( &muxer );
1221 return 0;
1222 }
1223 else if( muxer.opt.version )
1224 {
1225 display_version();
1226 cleanup_muxer( &muxer );
1227 return 0;
1228 }
1229 if( open_input_files( &muxer ) )
1230 return MUXER_ERR( "failed to open input files.\n" );
1231 if( prepare_output( &muxer ) )
1232 return MUXER_ERR( "failed to set up preparation for output.\n" );
1233 if( do_mux( &muxer ) )
1234 return MUXER_ERR( "failed to do muxing.\n" );
1235 if( finish_movie( &muxer.output, &muxer.opt ) )
1236 return MUXER_ERR( "failed to finish movie.\n" );
1237 REFRESH_CONSOLE;
1238 eprintf( "Muxing completed!\n" );
1239 cleanup_muxer( &muxer ); /* including lsmash_destroy_root() */
1240 return 0;
1241 }
A simple tool for mp4.