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Mkv: kill warnings.
[vlc.git] / modules / demux / mkv / matroska_segment_parse.cpp
blob8933f34ace1e157a3b3be258d730eb40606cba6f
1 /*****************************************************************************
2 * mkv.cpp : matroska demuxer
3 *****************************************************************************
4 * Copyright (C) 2003-2004 the VideoLAN team
5 * $Id$
6 *
7 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
8 * Steve Lhomme <steve.lhomme@free.fr>
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
24
25 #include "matroska_segment.hpp"
26
27 #include "chapters.hpp"
28
29 #include "demux.hpp"
30
31 /*****************************************************************************
32 * Some functions to manipulate memory
33 *****************************************************************************/
34 static inline char * ToUTF8( const UTFstring &u )
35 {
36 return strdup( u.GetUTF8().c_str() );
37 }
38
39 /*****************************************************************************
40 * ParseSeekHead:
41 *****************************************************************************/
42 void matroska_segment_c::ParseSeekHead( KaxSeekHead *seekhead )
43 {
44 EbmlParser *ep;
45 EbmlElement *l;
46 bool b_seekable;
47
48 i_seekhead_count++;
49
50 stream_Control( sys.demuxer.s, STREAM_CAN_SEEK, &b_seekable );
51 if( !b_seekable )
52 return;
53
54 ep = new EbmlParser( &es, seekhead, &sys.demuxer );
55
56 while( ( l = ep->Get() ) != NULL )
57 {
58 if( MKV_IS_ID( l, KaxSeek ) )
59 {
60 EbmlId id = EbmlVoid::ClassInfos.GlobalId;
61 int64_t i_pos = -1;
62
63 msg_Dbg( &sys.demuxer, "| | + Seek" );
64 ep->Down();
65 while( ( l = ep->Get() ) != NULL )
66 {
67 if( MKV_IS_ID( l, KaxSeekID ) )
68 {
69 KaxSeekID &sid = *(KaxSeekID*)l;
70 sid.ReadData( es.I_O() );
71 id = EbmlId( sid.GetBuffer(), sid.GetSize() );
72 }
73 else if( MKV_IS_ID( l, KaxSeekPosition ) )
74 {
75 KaxSeekPosition &spos = *(KaxSeekPosition*)l;
76 spos.ReadData( es.I_O() );
77 i_pos = (int64_t)segment->GetGlobalPosition( uint64( spos ) );
78 }
79 else
80 {
81 /* Many mkvmerge files hit this case. It seems to be a broken SeekHead */
82 msg_Dbg( &sys.demuxer, "| | + Unknown (%s)", typeid(*l).name() );
83 }
84 }
85 ep->Up();
86
87 if( i_pos >= 0 )
88 {
89 if( id == KaxCues::ClassInfos.GlobalId )
90 {
91 msg_Dbg( &sys.demuxer, "| - cues at %"PRId64, i_pos );
92 LoadSeekHeadItem( KaxCues::ClassInfos, i_pos );
93 }
94 else if( id == KaxInfo::ClassInfos.GlobalId )
95 {
96 msg_Dbg( &sys.demuxer, "| - info at %"PRId64, i_pos );
97 LoadSeekHeadItem( KaxInfo::ClassInfos, i_pos );
98 }
99 else if( id == KaxChapters::ClassInfos.GlobalId )
100 {
101 msg_Dbg( &sys.demuxer, "| - chapters at %"PRId64, i_pos );
102 LoadSeekHeadItem( KaxChapters::ClassInfos, i_pos );
103 }
104 else if( id == KaxTags::ClassInfos.GlobalId )
105 {
106 msg_Dbg( &sys.demuxer, "| - tags at %"PRId64, i_pos );
107 LoadSeekHeadItem( KaxTags::ClassInfos, i_pos );
108 }
109 else if( id == KaxSeekHead::ClassInfos.GlobalId )
110 {
111 msg_Dbg( &sys.demuxer, "| - chained seekhead at %"PRId64, i_pos );
112 LoadSeekHeadItem( KaxSeekHead::ClassInfos, i_pos );
113 }
114 else if( id == KaxTracks::ClassInfos.GlobalId )
115 {
116 msg_Dbg( &sys.demuxer, "| - tracks at %"PRId64, i_pos );
117 LoadSeekHeadItem( KaxTracks::ClassInfos, i_pos );
118 }
119 else if( id == KaxAttachments::ClassInfos.GlobalId )
120 {
121 msg_Dbg( &sys.demuxer, "| - attachments at %"PRId64, i_pos );
122 LoadSeekHeadItem( KaxAttachments::ClassInfos, i_pos );
123 }
124 else
125 msg_Dbg( &sys.demuxer, "| - unknown seekhead reference at %"PRId64, i_pos );
126 }
127 }
128 else
129 msg_Dbg( &sys.demuxer, "| | + ParseSeekHead Unknown (%s)", typeid(*l).name() );
130 }
131 delete ep;
132 }
133
134
135 /**
136 * Helper function to print the mkv parse tree
137 */
138 static void MkvTree( demux_t & demuxer, int i_level, const char *psz_format, ... )
139 {
140 va_list args;
141 if( i_level > 9 )
142 {
143 msg_Err( &demuxer, "too deep tree" );
144 return;
145 }
146 va_start( args, psz_format );
147 static const char psz_foo[] = "| | | | | | | | | |";
148 char *psz_foo2 = (char*)malloc( i_level * 4 + 3 + strlen( psz_format ) );
149 strncpy( psz_foo2, psz_foo, 4 * i_level );
150 psz_foo2[ 4 * i_level ] = '+';
151 psz_foo2[ 4 * i_level + 1 ] = ' ';
152 strcpy( &psz_foo2[ 4 * i_level + 2 ], psz_format );
153 __msg_GenericVa( VLC_OBJECT(&demuxer),VLC_MSG_DBG, "mkv", psz_foo2, args );
154 free( psz_foo2 );
155 va_end( args );
156 }
157
158
159 /*****************************************************************************
160 * ParseTrackEntry:
161 *****************************************************************************/
162 void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
163 {
164 size_t i, j, k, n;
165 bool bSupported = true;
166
167 mkv_track_t *tk;
168
169 msg_Dbg( &sys.demuxer, "| | + Track Entry" );
170
171 tk = new mkv_track_t();
172
173 /* Init the track */
174 memset( tk, 0, sizeof( mkv_track_t ) );
175
176 es_format_Init( &tk->fmt, UNKNOWN_ES, 0 );
177 tk->fmt.psz_language = strdup("English");
178 tk->fmt.psz_description = NULL;
179
180 tk->b_default = true;
181 tk->b_enabled = true;
182 tk->b_silent = false;
183 tk->i_number = tracks.size() - 1;
184 tk->i_extra_data = 0;
185 tk->p_extra_data = NULL;
186 tk->psz_codec = NULL;
187 tk->i_default_duration = 0;
188 tk->f_timecodescale = 1.0;
189
190 tk->b_inited = false;
191 tk->i_data_init = 0;
192 tk->p_data_init = NULL;
193
194 tk->psz_codec_name = NULL;
195 tk->psz_codec_settings = NULL;
196 tk->psz_codec_info_url = NULL;
197 tk->psz_codec_download_url = NULL;
198
199 tk->i_compression_type = MATROSKA_COMPRESSION_NONE;
200 tk->p_compression_data = NULL;
201
202 for( i = 0; i < m->ListSize(); i++ )
203 {
204 EbmlElement *l = (*m)[i];
205
206 if( MKV_IS_ID( l, KaxTrackNumber ) )
207 {
208 KaxTrackNumber &tnum = *(KaxTrackNumber*)l;
209
210 tk->i_number = uint32( tnum );
211 msg_Dbg( &sys.demuxer, "| | | + Track Number=%u", uint32( tnum ) );
212 }
213 else if( MKV_IS_ID( l, KaxTrackUID ) )
214 {
215 KaxTrackUID &tuid = *(KaxTrackUID*)l;
216
217 msg_Dbg( &sys.demuxer, "| | | + Track UID=%u", uint32( tuid ) );
218 }
219 else if( MKV_IS_ID( l, KaxTrackType ) )
220 {
221 const char *psz_type;
222 KaxTrackType &ttype = *(KaxTrackType*)l;
223
224 switch( uint8(ttype) )
225 {
226 case track_audio:
227 psz_type = "audio";
228 tk->fmt.i_cat = AUDIO_ES;
229 break;
230 case track_video:
231 psz_type = "video";
232 tk->fmt.i_cat = VIDEO_ES;
233 break;
234 case track_subtitle:
235 psz_type = "subtitle";
236 tk->fmt.i_cat = SPU_ES;
237 break;
238 case track_buttons:
239 psz_type = "buttons";
240 tk->fmt.i_cat = SPU_ES;
241 break;
242 default:
243 psz_type = "unknown";
244 tk->fmt.i_cat = UNKNOWN_ES;
245 break;
246 }
247
248 msg_Dbg( &sys.demuxer, "| | | + Track Type=%s", psz_type );
249 }
250 // else if( EbmlId( *l ) == KaxTrackFlagEnabled::ClassInfos.GlobalId )
251 // {
252 // KaxTrackFlagEnabled &fenb = *(KaxTrackFlagEnabled*)l;
253
254 // tk->b_enabled = uint32( fenb );
255 // msg_Dbg( &sys.demuxer, "| | | + Track Enabled=%u",
256 // uint32( fenb ) );
257 // }
258 else if( MKV_IS_ID( l, KaxTrackFlagDefault ) )
259 {
260 KaxTrackFlagDefault &fdef = *(KaxTrackFlagDefault*)l;
261
262 tk->b_default = uint32( fdef );
263 msg_Dbg( &sys.demuxer, "| | | + Track Default=%u", uint32( fdef ) );
264 }
265 else if( MKV_IS_ID( l, KaxTrackFlagLacing ) )
266 {
267 KaxTrackFlagLacing &lac = *(KaxTrackFlagLacing*)l;
268
269 msg_Dbg( &sys.demuxer, "| | | + Track Lacing=%d", uint32( lac ) );
270 }
271 else if( MKV_IS_ID( l, KaxTrackMinCache ) )
272 {
273 KaxTrackMinCache &cmin = *(KaxTrackMinCache*)l;
274
275 msg_Dbg( &sys.demuxer, "| | | + Track MinCache=%d", uint32( cmin ) );
276 }
277 else if( MKV_IS_ID( l, KaxTrackMaxCache ) )
278 {
279 KaxTrackMaxCache &cmax = *(KaxTrackMaxCache*)l;
280
281 msg_Dbg( &sys.demuxer, "| | | + Track MaxCache=%d", uint32( cmax ) );
282 }
283 else if( MKV_IS_ID( l, KaxTrackDefaultDuration ) )
284 {
285 KaxTrackDefaultDuration &defd = *(KaxTrackDefaultDuration*)l;
286
287 tk->i_default_duration = uint64(defd);
288 msg_Dbg( &sys.demuxer, "| | | + Track Default Duration=%"PRId64, uint64(defd) );
289 }
290 else if( MKV_IS_ID( l, KaxTrackTimecodeScale ) )
291 {
292 KaxTrackTimecodeScale &ttcs = *(KaxTrackTimecodeScale*)l;
293
294 tk->f_timecodescale = float( ttcs );
295 msg_Dbg( &sys.demuxer, "| | | + Track TimeCodeScale=%f", tk->f_timecodescale );
296 }
297 else if( MKV_IS_ID( l, KaxTrackName ) )
298 {
299 KaxTrackName &tname = *(KaxTrackName*)l;
300
301 tk->fmt.psz_description = ToUTF8( UTFstring( tname ) );
302 msg_Dbg( &sys.demuxer, "| | | + Track Name=%s", tk->fmt.psz_description );
303 }
304 else if( MKV_IS_ID( l, KaxTrackLanguage ) )
305 {
306 KaxTrackLanguage &lang = *(KaxTrackLanguage*)l;
307
308 if ( tk->fmt.psz_language != NULL )
309 free( tk->fmt.psz_language );
310 tk->fmt.psz_language = strdup( string( lang ).c_str() );
311 msg_Dbg( &sys.demuxer,
312 "| | | + Track Language=`%s'", tk->fmt.psz_language );
313 }
314 else if( MKV_IS_ID( l, KaxCodecID ) )
315 {
316 KaxCodecID &codecid = *(KaxCodecID*)l;
317
318 tk->psz_codec = strdup( string( codecid ).c_str() );
319 msg_Dbg( &sys.demuxer, "| | | + Track CodecId=%s", string( codecid ).c_str() );
320 }
321 else if( MKV_IS_ID( l, KaxCodecPrivate ) )
322 {
323 KaxCodecPrivate &cpriv = *(KaxCodecPrivate*)l;
324
325 tk->i_extra_data = cpriv.GetSize();
326 if( tk->i_extra_data > 0 )
327 {
328 tk->p_extra_data = (uint8_t*)malloc( tk->i_extra_data );
329 memcpy( tk->p_extra_data, cpriv.GetBuffer(), tk->i_extra_data );
330 }
331 msg_Dbg( &sys.demuxer, "| | | + Track CodecPrivate size=%"PRId64, cpriv.GetSize() );
332 }
333 else if( MKV_IS_ID( l, KaxCodecName ) )
334 {
335 KaxCodecName &cname = *(KaxCodecName*)l;
336
337 tk->psz_codec_name = ToUTF8( UTFstring( cname ) );
338 msg_Dbg( &sys.demuxer, "| | | + Track Codec Name=%s", tk->psz_codec_name );
339 }
340 else if( MKV_IS_ID( l, KaxContentEncodings ) )
341 {
342 EbmlMaster *cencs = static_cast<EbmlMaster*>(l);
343 MkvTree( sys.demuxer, 3, "Content Encodings" );
344 if ( cencs->ListSize() > 1 )
345 {
346 msg_Err( &sys.demuxer, "Multiple Compression method not supported" );
347 bSupported = false;
348 }
349 for( j = 0; j < cencs->ListSize(); j++ )
350 {
351 EbmlElement *l2 = (*cencs)[j];
352 if( MKV_IS_ID( l2, KaxContentEncoding ) )
353 {
354 MkvTree( sys.demuxer, 4, "Content Encoding" );
355 EbmlMaster *cenc = static_cast<EbmlMaster*>(l2);
356 for( k = 0; k < cenc->ListSize(); k++ )
357 {
358 EbmlElement *l3 = (*cenc)[k];
359 if( MKV_IS_ID( l3, KaxContentEncodingOrder ) )
360 {
361 KaxContentEncodingOrder &encord = *(KaxContentEncodingOrder*)l3;
362 MkvTree( sys.demuxer, 5, "Order: %i", uint32( encord ) );
363 }
364 else if( MKV_IS_ID( l3, KaxContentEncodingScope ) )
365 {
366 KaxContentEncodingScope &encscope = *(KaxContentEncodingScope*)l3;
367 MkvTree( sys.demuxer, 5, "Scope: %i", uint32( encscope ) );
368 }
369 else if( MKV_IS_ID( l3, KaxContentEncodingType ) )
370 {
371 KaxContentEncodingType &enctype = *(KaxContentEncodingType*)l3;
372 MkvTree( sys.demuxer, 5, "Type: %i", uint32( enctype ) );
373 }
374 else if( MKV_IS_ID( l3, KaxContentCompression ) )
375 {
376 EbmlMaster *compr = static_cast<EbmlMaster*>(l3);
377 MkvTree( sys.demuxer, 5, "Content Compression" );
378 for( n = 0; n < compr->ListSize(); n++ )
379 {
380 EbmlElement *l4 = (*compr)[n];
381 if( MKV_IS_ID( l4, KaxContentCompAlgo ) )
382 {
383 KaxContentCompAlgo &compalg = *(KaxContentCompAlgo*)l4;
384 MkvTree( sys.demuxer, 6, "Compression Algorithm: %i", uint32(compalg) );
385 tk->i_compression_type = uint32( compalg );
386 if ( ( tk->i_compression_type != MATROSKA_COMPRESSION_ZLIB ) &&
387 ( tk->i_compression_type != MATROSKA_COMPRESSION_HEADER ) )
388 {
389 msg_Err( &sys.demuxer, "Track Compression method %d not supported", tk->i_compression_type );
390 bSupported = false;
391 }
392 }
393 else if( MKV_IS_ID( l4, KaxContentCompSettings ) )
394 {
395 tk->p_compression_data = new KaxContentCompSettings( *(KaxContentCompSettings*)l4 );
396 }
397 else
398 {
399 MkvTree( sys.demuxer, 6, "Unknown (%s)", typeid(*l4).name() );
400 }
401 }
402 }
403 else
404 {
405 MkvTree( sys.demuxer, 5, "Unknown (%s)", typeid(*l3).name() );
406 }
407 }
408 }
409 else
410 {
411 MkvTree( sys.demuxer, 4, "Unknown (%s)", typeid(*l2).name() );
412 }
413 }
414 }
415 // else if( EbmlId( *l ) == KaxCodecSettings::ClassInfos.GlobalId )
416 // {
417 // KaxCodecSettings &cset = *(KaxCodecSettings*)l;
418
419 // tk->psz_codec_settings = ToUTF8( UTFstring( cset ) );
420 // msg_Dbg( &sys.demuxer, "| | | + Track Codec Settings=%s", tk->psz_codec_settings );
421 // }
422 // else if( EbmlId( *l ) == KaxCodecInfoURL::ClassInfos.GlobalId )
423 // {
424 // KaxCodecInfoURL &ciurl = *(KaxCodecInfoURL*)l;
425
426 // tk->psz_codec_info_url = strdup( string( ciurl ).c_str() );
427 // msg_Dbg( &sys.demuxer, "| | | + Track Codec Info URL=%s", tk->psz_codec_info_url );
428 // }
429 // else if( EbmlId( *l ) == KaxCodecDownloadURL::ClassInfos.GlobalId )
430 // {
431 // KaxCodecDownloadURL &cdurl = *(KaxCodecDownloadURL*)l;
432
433 // tk->psz_codec_download_url = strdup( string( cdurl ).c_str() );
434 // msg_Dbg( &sys.demuxer, "| | | + Track Codec Info URL=%s", tk->psz_codec_download_url );
435 // }
436 // else if( EbmlId( *l ) == KaxCodecDecodeAll::ClassInfos.GlobalId )
437 // {
438 // KaxCodecDecodeAll &cdall = *(KaxCodecDecodeAll*)l;
439
440 // msg_Dbg( &sys.demuxer, "| | | + Track Codec Decode All=%u <== UNUSED", uint8( cdall ) );
441 // }
442 // else if( EbmlId( *l ) == KaxTrackOverlay::ClassInfos.GlobalId )
443 // {
444 // KaxTrackOverlay &tovr = *(KaxTrackOverlay*)l;
445
446 // msg_Dbg( &sys.demuxer, "| | | + Track Overlay=%u <== UNUSED", uint32( tovr ) );
447 // }
448 else if( MKV_IS_ID( l, KaxTrackVideo ) )
449 {
450 EbmlMaster *tkv = static_cast<EbmlMaster*>(l);
451 unsigned int j;
452 unsigned int i_crop_right = 0, i_crop_left = 0, i_crop_top = 0, i_crop_bottom = 0;
453 unsigned int i_display_unit = 0, i_display_width = 0, i_display_height = 0;
454
455 msg_Dbg( &sys.demuxer, "| | | + Track Video" );
456 tk->f_fps = 0.0;
457
458 tk->fmt.video.i_frame_rate_base = (unsigned int)(tk->i_default_duration / 1000);
459 tk->fmt.video.i_frame_rate = 1000000;
460
461 for( j = 0; j < tkv->ListSize(); j++ )
462 {
463 EbmlElement *l = (*tkv)[j];
464 // if( EbmlId( *el4 ) == KaxVideoFlagInterlaced::ClassInfos.GlobalId )
465 // {
466 // KaxVideoFlagInterlaced &fint = *(KaxVideoFlagInterlaced*)el4;
467
468 // msg_Dbg( &sys.demuxer, "| | | | + Track Video Interlaced=%u", uint8( fint ) );
469 // }
470 // else if( EbmlId( *el4 ) == KaxVideoStereoMode::ClassInfos.GlobalId )
471 // {
472 // KaxVideoStereoMode &stereo = *(KaxVideoStereoMode*)el4;
473
474 // msg_Dbg( &sys.demuxer, "| | | | + Track Video Stereo Mode=%u", uint8( stereo ) );
475 // }
476 // else
477 if( MKV_IS_ID( l, KaxVideoPixelWidth ) )
478 {
479 KaxVideoPixelWidth &vwidth = *(KaxVideoPixelWidth*)l;
480
481 tk->fmt.video.i_width += uint16( vwidth );
482 msg_Dbg( &sys.demuxer, "| | | | + width=%d", uint16( vwidth ) );
483 }
484 else if( MKV_IS_ID( l, KaxVideoPixelHeight ) )
485 {
486 KaxVideoPixelWidth &vheight = *(KaxVideoPixelWidth*)l;
487
488 tk->fmt.video.i_height += uint16( vheight );
489 msg_Dbg( &sys.demuxer, "| | | | + height=%d", uint16( vheight ) );
490 }
491 else if( MKV_IS_ID( l, KaxVideoDisplayWidth ) )
492 {
493 KaxVideoDisplayWidth &vwidth = *(KaxVideoDisplayWidth*)l;
494
495 i_display_width = uint16( vwidth );
496 msg_Dbg( &sys.demuxer, "| | | | + display width=%d", uint16( vwidth ) );
497 }
498 else if( MKV_IS_ID( l, KaxVideoDisplayHeight ) )
499 {
500 KaxVideoDisplayWidth &vheight = *(KaxVideoDisplayWidth*)l;
501
502 i_display_height = uint16( vheight );
503 msg_Dbg( &sys.demuxer, "| | | | + display height=%d", uint16( vheight ) );
504 }
505 else if( MKV_IS_ID( l, KaxVideoPixelCropBottom ) )
506 {
507 KaxVideoPixelCropBottom &cropval = *(KaxVideoPixelCropBottom*)l;
508
509 i_crop_bottom = uint16( cropval );
510 msg_Dbg( &sys.demuxer, "| | | | + crop pixel bottom=%d", uint16( cropval ) );
511 }
512 else if( MKV_IS_ID( l, KaxVideoPixelCropTop ) )
513 {
514 KaxVideoPixelCropTop &cropval = *(KaxVideoPixelCropTop*)l;
515
516 i_crop_top = uint16( cropval );
517 msg_Dbg( &sys.demuxer, "| | | | + crop pixel top=%d", uint16( cropval ) );
518 }
519 else if( MKV_IS_ID( l, KaxVideoPixelCropRight ) )
520 {
521 KaxVideoPixelCropRight &cropval = *(KaxVideoPixelCropRight*)l;
522
523 i_crop_right = uint16( cropval );
524 msg_Dbg( &sys.demuxer, "| | | | + crop pixel right=%d", uint16( cropval ) );
525 }
526 else if( MKV_IS_ID( l, KaxVideoPixelCropLeft ) )
527 {
528 KaxVideoPixelCropLeft &cropval = *(KaxVideoPixelCropLeft*)l;
529
530 i_crop_left = uint16( cropval );
531 msg_Dbg( &sys.demuxer, "| | | | + crop pixel left=%d", uint16( cropval ) );
532 }
533 else if( MKV_IS_ID( l, KaxVideoFrameRate ) )
534 {
535 KaxVideoFrameRate &vfps = *(KaxVideoFrameRate*)l;
536
537 tk->f_fps = float( vfps );
538 msg_Dbg( &sys.demuxer, " | | | + fps=%f", float( vfps ) );
539 }
540 else if( EbmlId( *l ) == KaxVideoDisplayUnit::ClassInfos.GlobalId )
541 {
542 KaxVideoDisplayUnit &vdmode = *(KaxVideoDisplayUnit*)l;
543
544 i_display_unit = uint8( vdmode );
545 msg_Dbg( &sys.demuxer, "| | | | + Track Video Display Unit=%s",
546 uint8( vdmode ) == 0 ? "pixels" : ( uint8( vdmode ) == 1 ? "centimeters": "inches" ) );
547 }
548 // else if( EbmlId( *l ) == KaxVideoAspectRatio::ClassInfos.GlobalId )
549 // {
550 // KaxVideoAspectRatio &ratio = *(KaxVideoAspectRatio*)l;
551
552 // msg_Dbg( &sys.demuxer, " | | | + Track Video Aspect Ratio Type=%u", uint8( ratio ) );
553 // }
554 // else if( EbmlId( *l ) == KaxVideoGamma::ClassInfos.GlobalId )
555 // {
556 // KaxVideoGamma &gamma = *(KaxVideoGamma*)l;
557
558 // msg_Dbg( &sys.demuxer, " | | | + gamma=%f", float( gamma ) );
559 // }
560 else
561 {
562 msg_Dbg( &sys.demuxer, "| | | | + Unknown (%s)", typeid(*l).name() );
563 }
564 }
565 if( i_display_height && i_display_width )
566 tk->fmt.video.i_aspect = VOUT_ASPECT_FACTOR * i_display_width / i_display_height;
567 if( i_crop_left || i_crop_right || i_crop_top || i_crop_bottom )
568 {
569 tk->fmt.video.i_visible_width = tk->fmt.video.i_width;
570 tk->fmt.video.i_visible_height = tk->fmt.video.i_height;
571 tk->fmt.video.i_x_offset = i_crop_left;
572 tk->fmt.video.i_y_offset = i_crop_top;
573 tk->fmt.video.i_visible_width -= i_crop_left + i_crop_right;
574 tk->fmt.video.i_visible_height -= i_crop_top + i_crop_bottom;
575 }
576 /* FIXME: i_display_* allows you to not only set DAR, but also a zoom factor.
577 we do not support this atm */
578 }
579 else if( MKV_IS_ID( l, KaxTrackAudio ) )
580 {
581 EbmlMaster *tka = static_cast<EbmlMaster*>(l);
582 unsigned int j;
583
584 msg_Dbg( &sys.demuxer, "| | | + Track Audio" );
585
586 for( j = 0; j < tka->ListSize(); j++ )
587 {
588 EbmlElement *l = (*tka)[j];
589
590 if( MKV_IS_ID( l, KaxAudioSamplingFreq ) )
591 {
592 KaxAudioSamplingFreq &afreq = *(KaxAudioSamplingFreq*)l;
593
594 tk->i_original_rate = tk->fmt.audio.i_rate = (int)float( afreq );
595 msg_Dbg( &sys.demuxer, "| | | | + afreq=%d", tk->fmt.audio.i_rate );
596 }
597 else if( MKV_IS_ID( l, KaxAudioOutputSamplingFreq ) )
598 {
599 KaxAudioOutputSamplingFreq &afreq = *(KaxAudioOutputSamplingFreq*)l;
600
601 tk->fmt.audio.i_rate = (int)float( afreq );
602 msg_Dbg( &sys.demuxer, "| | | | + aoutfreq=%d", tk->fmt.audio.i_rate );
603 }
604 else if( MKV_IS_ID( l, KaxAudioChannels ) )
605 {
606 KaxAudioChannels &achan = *(KaxAudioChannels*)l;
607
608 tk->fmt.audio.i_channels = uint8( achan );
609 msg_Dbg( &sys.demuxer, "| | | | + achan=%u", uint8( achan ) );
610 }
611 else if( MKV_IS_ID( l, KaxAudioBitDepth ) )
612 {
613 KaxAudioBitDepth &abits = *(KaxAudioBitDepth*)l;
614
615 tk->fmt.audio.i_bitspersample = uint8( abits );
616 msg_Dbg( &sys.demuxer, "| | | | + abits=%u", uint8( abits ) );
617 }
618 else
619 {
620 msg_Dbg( &sys.demuxer, "| | | | + Unknown (%s)", typeid(*l).name() );
621 }
622 }
623 }
624 else
625 {
626 msg_Dbg( &sys.demuxer, "| | | + Unknown (%s)",
627 typeid(*l).name() );
628 }
629 }
630
631 if ( bSupported )
632 {
633 tracks.push_back( tk );
634 }
635 else
636 {
637 msg_Err( &sys.demuxer, "Track Entry %d not supported", tk->i_number );
638 delete tk;
639 }
640 }
641
642 /*****************************************************************************
643 * ParseTracks:
644 *****************************************************************************/
645 void matroska_segment_c::ParseTracks( KaxTracks *tracks )
646 {
647 EbmlElement *el;
648 unsigned int i;
649 int i_upper_level = 0;
650
651 /* Master elements */
652 tracks->Read( es, tracks->Generic().Context, i_upper_level, el, true );
653
654 for( i = 0; i < tracks->ListSize(); i++ )
655 {
656 EbmlElement *l = (*tracks)[i];
657
658 if( MKV_IS_ID( l, KaxTrackEntry ) )
659 {
660 ParseTrackEntry( static_cast<KaxTrackEntry *>(l) );
661 }
662 else
663 {
664 msg_Dbg( &sys.demuxer, "| | + Unknown (%s)", typeid(*l).name() );
665 }
666 }
667 }
668
669 /*****************************************************************************
670 * ParseInfo:
671 *****************************************************************************/
672 void matroska_segment_c::ParseInfo( KaxInfo *info )
673 {
674 EbmlElement *el;
675 EbmlMaster *m;
676 size_t i, j;
677 int i_upper_level = 0;
678
679 /* Master elements */
680 m = static_cast<EbmlMaster *>(info);
681 m->Read( es, info->Generic().Context, i_upper_level, el, true );
682
683 for( i = 0; i < m->ListSize(); i++ )
684 {
685 EbmlElement *l = (*m)[i];
686
687 if( MKV_IS_ID( l, KaxSegmentUID ) )
688 {
689 if ( p_segment_uid == NULL )
690 p_segment_uid = new KaxSegmentUID(*static_cast<KaxSegmentUID*>(l));
691
692 msg_Dbg( &sys.demuxer, "| | + UID=%d", *(uint32*)p_segment_uid->GetBuffer() );
693 }
694 else if( MKV_IS_ID( l, KaxPrevUID ) )
695 {
696 if ( p_prev_segment_uid == NULL )
697 p_prev_segment_uid = new KaxPrevUID(*static_cast<KaxPrevUID*>(l));
698
699 msg_Dbg( &sys.demuxer, "| | + PrevUID=%d", *(uint32*)p_prev_segment_uid->GetBuffer() );
700 }
701 else if( MKV_IS_ID( l, KaxNextUID ) )
702 {
703 if ( p_next_segment_uid == NULL )
704 p_next_segment_uid = new KaxNextUID(*static_cast<KaxNextUID*>(l));
705
706 msg_Dbg( &sys.demuxer, "| | + NextUID=%d", *(uint32*)p_next_segment_uid->GetBuffer() );
707 }
708 else if( MKV_IS_ID( l, KaxTimecodeScale ) )
709 {
710 KaxTimecodeScale &tcs = *(KaxTimecodeScale*)l;
711
712 i_timescale = uint64(tcs);
713
714 msg_Dbg( &sys.demuxer, "| | + TimecodeScale=%"PRId64,
715 i_timescale );
716 }
717 else if( MKV_IS_ID( l, KaxDuration ) )
718 {
719 KaxDuration &dur = *(KaxDuration*)l;
720
721 i_duration = mtime_t( double( dur ) );
722
723 msg_Dbg( &sys.demuxer, "| | + Duration=%"PRId64,
724 i_duration );
725 }
726 else if( MKV_IS_ID( l, KaxMuxingApp ) )
727 {
728 KaxMuxingApp &mapp = *(KaxMuxingApp*)l;
729
730 psz_muxing_application = ToUTF8( UTFstring( mapp ) );
731
732 msg_Dbg( &sys.demuxer, "| | + Muxing Application=%s",
733 psz_muxing_application );
734 }
735 else if( MKV_IS_ID( l, KaxWritingApp ) )
736 {
737 KaxWritingApp &wapp = *(KaxWritingApp*)l;
738
739 psz_writing_application = ToUTF8( UTFstring( wapp ) );
740
741 msg_Dbg( &sys.demuxer, "| | + Writing Application=%s",
742 psz_writing_application );
743 }
744 else if( MKV_IS_ID( l, KaxSegmentFilename ) )
745 {
746 KaxSegmentFilename &sfn = *(KaxSegmentFilename*)l;
747
748 psz_segment_filename = ToUTF8( UTFstring( sfn ) );
749
750 msg_Dbg( &sys.demuxer, "| | + Segment Filename=%s",
751 psz_segment_filename );
752 }
753 else if( MKV_IS_ID( l, KaxTitle ) )
754 {
755 KaxTitle &title = *(KaxTitle*)l;
756
757 psz_title = ToUTF8( UTFstring( title ) );
758
759 msg_Dbg( &sys.demuxer, "| | + Title=%s", psz_title );
760 }
761 else if( MKV_IS_ID( l, KaxSegmentFamily ) )
762 {
763 KaxSegmentFamily *uid = static_cast<KaxSegmentFamily*>(l);
764
765 families.push_back( new KaxSegmentFamily(*uid) );
766
767 msg_Dbg( &sys.demuxer, "| | + family=%d", *(uint32*)uid->GetBuffer() );
768 }
769 #if defined( HAVE_GMTIME_R )
770 else if( MKV_IS_ID( l, KaxDateUTC ) )
771 {
772 KaxDateUTC &date = *(KaxDateUTC*)l;
773 time_t i_date;
774 struct tm tmres;
775 char buffer[256];
776
777 i_date = date.GetEpochDate();
778 memset( buffer, 0, 256 );
779 if( gmtime_r( &i_date, &tmres ) &&
780 asctime_r( &tmres, buffer ) )
781 {
782 buffer[strlen( buffer)-1]= '\0';
783 psz_date_utc = strdup( buffer );
784 msg_Dbg( &sys.demuxer, "| | + Date=%s", psz_date_utc );
785 }
786 }
787 #endif
788 else if( MKV_IS_ID( l, KaxChapterTranslate ) )
789 {
790 KaxChapterTranslate *p_trans = static_cast<KaxChapterTranslate*>( l );
791 chapter_translation_c *p_translate = new chapter_translation_c();
792
793 p_trans->Read( es, p_trans->Generic().Context, i_upper_level, el, true );
794 for( j = 0; j < p_trans->ListSize(); j++ )
795 {
796 EbmlElement *l = (*p_trans)[j];
797
798 if( MKV_IS_ID( l, KaxChapterTranslateEditionUID ) )
799 {
800 p_translate->editions.push_back( uint64( *static_cast<KaxChapterTranslateEditionUID*>( l ) ) );
801 }
802 else if( MKV_IS_ID( l, KaxChapterTranslateCodec ) )
803 {
804 p_translate->codec_id = uint32( *static_cast<KaxChapterTranslateCodec*>( l ) );
805 }
806 else if( MKV_IS_ID( l, KaxChapterTranslateID ) )
807 {
808 p_translate->p_translated = new KaxChapterTranslateID( *static_cast<KaxChapterTranslateID*>( l ) );
809 }
810 }
811
812 translations.push_back( p_translate );
813 }
814 else
815 {
816 msg_Dbg( &sys.demuxer, "| | + Unknown (%s)", typeid(*l).name() );
817 }
818 }
819
820 double f_dur = double(i_duration) * double(i_timescale) / 1000000.0;
821 i_duration = mtime_t(f_dur);
822 }
823
824
825 /*****************************************************************************
826 * ParseChapterAtom
827 *****************************************************************************/
828 void matroska_segment_c::ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters )
829 {
830 size_t i, j;
831
832 msg_Dbg( &sys.demuxer, "| | | + ChapterAtom (level=%d)", i_level );
833 for( i = 0; i < ca->ListSize(); i++ )
834 {
835 EbmlElement *l = (*ca)[i];
836
837 if( MKV_IS_ID( l, KaxChapterUID ) )
838 {
839 chapters.i_uid = uint64_t(*(KaxChapterUID*)l);
840 msg_Dbg( &sys.demuxer, "| | | | + ChapterUID: %lld", chapters.i_uid );
841 }
842 else if( MKV_IS_ID( l, KaxChapterFlagHidden ) )
843 {
844 KaxChapterFlagHidden &flag =*(KaxChapterFlagHidden*)l;
845 chapters.b_display_seekpoint = uint8( flag ) == 0;
846
847 msg_Dbg( &sys.demuxer, "| | | | + ChapterFlagHidden: %s", chapters.b_display_seekpoint ? "no":"yes" );
848 }
849 else if( MKV_IS_ID( l, KaxChapterTimeStart ) )
850 {
851 KaxChapterTimeStart &start =*(KaxChapterTimeStart*)l;
852 chapters.i_start_time = uint64( start ) / INT64_C(1000);
853
854 msg_Dbg( &sys.demuxer, "| | | | + ChapterTimeStart: %lld", chapters.i_start_time );
855 }
856 else if( MKV_IS_ID( l, KaxChapterTimeEnd ) )
857 {
858 KaxChapterTimeEnd &end =*(KaxChapterTimeEnd*)l;
859 chapters.i_end_time = uint64( end ) / INT64_C(1000);
860
861 msg_Dbg( &sys.demuxer, "| | | | + ChapterTimeEnd: %lld", chapters.i_end_time );
862 }
863 else if( MKV_IS_ID( l, KaxChapterDisplay ) )
864 {
865 EbmlMaster *cd = static_cast<EbmlMaster *>(l);
866
867 msg_Dbg( &sys.demuxer, "| | | | + ChapterDisplay" );
868 for( j = 0; j < cd->ListSize(); j++ )
869 {
870 EbmlElement *l= (*cd)[j];
871
872 if( MKV_IS_ID( l, KaxChapterString ) )
873 {
874 int k;
875
876 KaxChapterString &name =*(KaxChapterString*)l;
877 for (k = 0; k < i_level; k++)
878 chapters.psz_name += '+';
879 chapters.psz_name += ' ';
880 char *psz_tmp_utf8 = ToUTF8( UTFstring( name ) );
881 chapters.psz_name += psz_tmp_utf8;
882 chapters.b_user_display = true;
883
884 msg_Dbg( &sys.demuxer, "| | | | | + ChapterString '%s'", psz_tmp_utf8 );
885 free( psz_tmp_utf8 );
886 }
887 else if( MKV_IS_ID( l, KaxChapterLanguage ) )
888 {
889 KaxChapterLanguage &lang =*(KaxChapterLanguage*)l;
890 const char *psz = string( lang ).c_str();
891
892 msg_Dbg( &sys.demuxer, "| | | | | + ChapterLanguage '%s'", psz );
893 }
894 else if( MKV_IS_ID( l, KaxChapterCountry ) )
895 {
896 KaxChapterCountry &ct =*(KaxChapterCountry*)l;
897 const char *psz = string( ct ).c_str();
898
899 msg_Dbg( &sys.demuxer, "| | | | | + ChapterCountry '%s'", psz );
900 }
901 }
902 }
903 else if( MKV_IS_ID( l, KaxChapterProcess ) )
904 {
905 msg_Dbg( &sys.demuxer, "| | | | + ChapterProcess" );
906
907 KaxChapterProcess *cp = static_cast<KaxChapterProcess *>(l);
908 chapter_codec_cmds_c *p_ccodec = NULL;
909
910 for( j = 0; j < cp->ListSize(); j++ )
911 {
912 EbmlElement *k= (*cp)[j];
913
914 if( MKV_IS_ID( k, KaxChapterProcessCodecID ) )
915 {
916 KaxChapterProcessCodecID *p_codec_id = static_cast<KaxChapterProcessCodecID*>( k );
917 if ( uint32(*p_codec_id) == 0 )
918 p_ccodec = new matroska_script_codec_c( sys );
919 else if ( uint32(*p_codec_id) == 1 )
920 p_ccodec = new dvd_chapter_codec_c( sys );
921 break;
922 }
923 }
924
925 if ( p_ccodec != NULL )
926 {
927 for( j = 0; j < cp->ListSize(); j++ )
928 {
929 EbmlElement *k= (*cp)[j];
930
931 if( MKV_IS_ID( k, KaxChapterProcessPrivate ) )
932 {
933 KaxChapterProcessPrivate * p_private = static_cast<KaxChapterProcessPrivate*>( k );
934 p_ccodec->SetPrivate( *p_private );
935 }
936 else if( MKV_IS_ID( k, KaxChapterProcessCommand ) )
937 {
938 p_ccodec->AddCommand( *static_cast<KaxChapterProcessCommand*>( k ) );
939 }
940 }
941 chapters.codecs.push_back( p_ccodec );
942 }
943 }
944 else if( MKV_IS_ID( l, KaxChapterAtom ) )
945 {
946 chapter_item_c *new_sub_chapter = new chapter_item_c();
947 ParseChapterAtom( i_level+1, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
948 new_sub_chapter->psz_parent = &chapters;
949 chapters.sub_chapters.push_back( new_sub_chapter );
950 }
951 }
952 }
953
954 /*****************************************************************************
955 * ParseAttachments:
956 *****************************************************************************/
957 void matroska_segment_c::ParseAttachments( KaxAttachments *attachments )
958 {
959 EbmlElement *el;
960 int i_upper_level = 0;
961
962 attachments->Read( es, attachments->Generic().Context, i_upper_level, el, true );
963
964 KaxAttached *attachedFile = FindChild<KaxAttached>( *attachments );
965
966 while( attachedFile && ( attachedFile->GetSize() > 0 ) )
967 {
968 std::string psz_mime_type = GetChild<KaxMimeType>( *attachedFile );
969 KaxFileName &file_name = GetChild<KaxFileName>( *attachedFile );
970 KaxFileData &img_data = GetChild<KaxFileData>( *attachedFile );
971
972 attachment_c *new_attachment = new attachment_c();
973
974 if( new_attachment )
975 {
976 new_attachment->psz_file_name = ToUTF8( UTFstring( file_name ) );
977 new_attachment->psz_mime_type = psz_mime_type;
978 new_attachment->i_size = img_data.GetSize();
979 new_attachment->p_data = malloc( img_data.GetSize() );
980
981 if( new_attachment->p_data )
982 {
983 memcpy( new_attachment->p_data, img_data.GetBuffer(), img_data.GetSize() );
984 sys.stored_attachments.push_back( new_attachment );
985 }
986 else
987 {
988 delete new_attachment;
989 }
990 }
991
992 attachedFile = &GetNextChild<KaxAttached>( *attachments, *attachedFile );
993 }
994 }
995
996 /*****************************************************************************
997 * ParseChapters:
998 *****************************************************************************/
999 void matroska_segment_c::ParseChapters( KaxChapters *chapters )
1000 {
1001 EbmlElement *el;
1002 size_t i;
1003 int i_upper_level = 0;
1004 mtime_t i_dur;
1005
1006 /* Master elements */
1007 chapters->Read( es, chapters->Generic().Context, i_upper_level, el, true );
1008
1009 for( i = 0; i < chapters->ListSize(); i++ )
1010 {
1011 EbmlElement *l = (*chapters)[i];
1012
1013 if( MKV_IS_ID( l, KaxEditionEntry ) )
1014 {
1015 chapter_edition_c *p_edition = new chapter_edition_c();
1016
1017 EbmlMaster *E = static_cast<EbmlMaster *>(l );
1018 size_t j;
1019 msg_Dbg( &sys.demuxer, "| | + EditionEntry" );
1020 for( j = 0; j < E->ListSize(); j++ )
1021 {
1022 EbmlElement *l = (*E)[j];
1023
1024 if( MKV_IS_ID( l, KaxChapterAtom ) )
1025 {
1026 chapter_item_c *new_sub_chapter = new chapter_item_c();
1027 ParseChapterAtom( 0, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
1028 p_edition->sub_chapters.push_back( new_sub_chapter );
1029 }
1030 else if( MKV_IS_ID( l, KaxEditionUID ) )
1031 {
1032 p_edition->i_uid = uint64(*static_cast<KaxEditionUID *>( l ));
1033 }
1034 else if( MKV_IS_ID( l, KaxEditionFlagOrdered ) )
1035 {
1036 p_edition->b_ordered = config_GetInt( &sys.demuxer, "mkv-use-ordered-chapters" ) ? (uint8(*static_cast<KaxEditionFlagOrdered *>( l )) != 0) : 0;
1037 }
1038 else if( MKV_IS_ID( l, KaxEditionFlagDefault ) )
1039 {
1040 if (uint8(*static_cast<KaxEditionFlagDefault *>( l )) != 0)
1041 i_default_edition = stored_editions.size();
1042 }
1043 else
1044 {
1045 msg_Dbg( &sys.demuxer, "| | | + Unknown (%s)", typeid(*l).name() );
1046 }
1047 }
1048 stored_editions.push_back( p_edition );
1049 }
1050 else
1051 {
1052 msg_Dbg( &sys.demuxer, "| | + Unknown (%s)", typeid(*l).name() );
1053 }
1054 }
1055
1056 for( i = 0; i < stored_editions.size(); i++ )
1057 {
1058 stored_editions[i]->RefreshChapters( );
1059 }
1060
1061 if ( stored_editions.size() != 0 && stored_editions[i_default_edition]->b_ordered )
1062 {
1063 /* update the duration of the segment according to the sum of all sub chapters */
1064 i_dur = stored_editions[i_default_edition]->Duration() / INT64_C(1000);
1065 if (i_dur > 0)
1066 i_duration = i_dur;
1067 }
1068 }
1069
1070 void matroska_segment_c::ParseCluster( )
1071 {
1072 EbmlElement *el;
1073 EbmlMaster *m;
1074 unsigned int i;
1075 int i_upper_level = 0;
1076
1077 /* Master elements */
1078 m = static_cast<EbmlMaster *>( cluster );
1079 m->Read( es, cluster->Generic().Context, i_upper_level, el, true );
1080
1081 for( i = 0; i < m->ListSize(); i++ )
1082 {
1083 EbmlElement *l = (*m)[i];
1084
1085 if( MKV_IS_ID( l, KaxClusterTimecode ) )
1086 {
1087 KaxClusterTimecode &ctc = *(KaxClusterTimecode*)l;
1088
1089 cluster->InitTimecode( uint64( ctc ), i_timescale );
1090 break;
1091 }
1092 }
1093
1094 i_start_time = cluster->GlobalTimecode() / 1000;
1095 }
1096
1097
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