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MKV: increase debug on attachment management to fix the cover art bug
[vlc.git] / modules / demux / mkv / matroska_segment_parse.cpp
blobb6b15c43dfb6556389964775c370cabb7224465c
1 /*****************************************************************************
2 * mkv.cpp : matroska demuxer
3 *****************************************************************************
4 * Copyright (C) 2003-2010 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 #include "Ebml_parser.hpp"
32
33 /*****************************************************************************
34 * Some functions to manipulate memory
35 *****************************************************************************/
36 static inline char * ToUTF8( const UTFstring &u )
37 {
38 return strdup( u.GetUTF8().c_str() );
39 }
40
41 /*****************************************************************************
42 * ParseSeekHead:
43 *****************************************************************************/
44 void matroska_segment_c::ParseSeekHead( KaxSeekHead *seekhead )
45 {
46 EbmlParser *ep;
47 EbmlElement *l;
48 bool b_seekable;
49
50 i_seekhead_count++;
51
52 stream_Control( sys.demuxer.s, STREAM_CAN_SEEK, &b_seekable );
53 if( !b_seekable )
54 return;
55
56 ep = new EbmlParser( &es, seekhead, &sys.demuxer );
57
58 while( ( l = ep->Get() ) != NULL )
59 {
60 if( MKV_IS_ID( l, KaxSeek ) )
61 {
62 EbmlId id = EBML_ID(EbmlVoid);
63 int64_t i_pos = -1;
64
65 #ifdef MKV_DEBUG
66 msg_Dbg( &sys.demuxer, "| | + Seek" );
67 #endif
68 ep->Down();
69 while( ( l = ep->Get() ) != NULL )
70 {
71 if( MKV_IS_ID( l, KaxSeekID ) )
72 {
73 KaxSeekID &sid = *(KaxSeekID*)l;
74 sid.ReadData( es.I_O() );
75 id = EbmlId( sid.GetBuffer(), sid.GetSize() );
76 }
77 else if( MKV_IS_ID( l, KaxSeekPosition ) )
78 {
79 KaxSeekPosition &spos = *(KaxSeekPosition*)l;
80 spos.ReadData( es.I_O() );
81 i_pos = (int64_t)segment->GetGlobalPosition( uint64( spos ) );
82 }
83 else
84 {
85 /* Many mkvmerge files hit this case. It seems to be a broken SeekHead */
86 msg_Dbg( &sys.demuxer, "| | + Unknown (%s)", typeid(*l).name() );
87 }
88 }
89 ep->Up();
90
91 if( i_pos >= 0 )
92 {
93 if( id == EBML_ID(KaxCues) )
94 {
95 msg_Dbg( &sys.demuxer, "| - cues at %"PRId64, i_pos );
96 LoadSeekHeadItem( EBML_INFO(KaxCues), i_pos );
97 }
98 else if( id == EBML_ID(KaxInfo) )
99 {
100 msg_Dbg( &sys.demuxer, "| - info at %"PRId64, i_pos );
101 LoadSeekHeadItem( EBML_INFO(KaxInfo), i_pos );
102 }
103 else if( id == EBML_ID(KaxChapters) )
104 {
105 msg_Dbg( &sys.demuxer, "| - chapters at %"PRId64, i_pos );
106 LoadSeekHeadItem( EBML_INFO(KaxChapters), i_pos );
107 }
108 else if( id == EBML_ID(KaxTags) )
109 {
110 msg_Dbg( &sys.demuxer, "| - tags at %"PRId64, i_pos );
111 LoadSeekHeadItem( EBML_INFO(KaxTags), i_pos );
112 }
113 else if( id == EBML_ID(KaxSeekHead) )
114 {
115 msg_Dbg( &sys.demuxer, "| - chained seekhead at %"PRId64, i_pos );
116 LoadSeekHeadItem( EBML_INFO(KaxSeekHead), i_pos );
117 }
118 else if( id == EBML_ID(KaxTracks) )
119 {
120 msg_Dbg( &sys.demuxer, "| - tracks at %"PRId64, i_pos );
121 LoadSeekHeadItem( EBML_INFO(KaxTracks), i_pos );
122 }
123 else if( id == EBML_ID(KaxAttachments) )
124 {
125 msg_Dbg( &sys.demuxer, "| - attachments at %"PRId64, i_pos );
126 LoadSeekHeadItem( EBML_INFO(KaxAttachments), i_pos );
127 }
128 #ifdef MKV_DEBUG
129 else
130 msg_Dbg( &sys.demuxer, "| - unknown seekhead reference at %"PRId64, i_pos );
131 #endif
132 }
133 }
134 else
135 msg_Dbg( &sys.demuxer, "| | + ParseSeekHead Unknown (%s)", typeid(*l).name() );
136 }
137 delete ep;
138 }
139
140
141 /**
142 * Helper function to print the mkv parse tree
143 */
144 static void MkvTree( demux_t & demuxer, int i_level, const char *psz_format, ... )
145 {
146 va_list args;
147 if( i_level > 9 )
148 {
149 msg_Err( &demuxer, "MKV tree is too deep" );
150 return;
151 }
152 va_start( args, psz_format );
153 static const char psz_foo[] = "| | | | | | | | | |";
154 char *psz_foo2 = (char*)malloc( i_level * 4 + 3 + strlen( psz_format ) );
155 strncpy( psz_foo2, psz_foo, 4 * i_level );
156 psz_foo2[ 4 * i_level ] = '+';
157 psz_foo2[ 4 * i_level + 1 ] = ' ';
158 strcpy( &psz_foo2[ 4 * i_level + 2 ], psz_format );
159 msg_GenericVa( &demuxer,VLC_MSG_DBG, "mkv", psz_foo2, args );
160 free( psz_foo2 );
161 va_end( args );
162 }
163
164
165 /*****************************************************************************
166 * ParseTrackEntry:
167 *****************************************************************************/
168 void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
169 {
170 bool bSupported = true;
171
172 /* Init the track */
173 mkv_track_t *tk = new mkv_track_t();
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->b_dts_only = false;
188 tk->i_default_duration = 0;
189 tk->f_timecodescale = 1.0;
190
191 tk->b_inited = false;
192 tk->i_data_init = 0;
193 tk->p_data_init = NULL;
194
195 tk->psz_codec_name = NULL;
196 tk->psz_codec_settings = NULL;
197 tk->psz_codec_info_url = NULL;
198 tk->psz_codec_download_url = NULL;
199
200 tk->i_compression_type = MATROSKA_COMPRESSION_NONE;
201 tk->p_compression_data = NULL;
202
203 msg_Dbg( &sys.demuxer, "| | + Track Entry" );
204
205 for( size_t i = 0; i < m->ListSize(); i++ )
206 {
207 EbmlElement *l = (*m)[i];
208
209 if( MKV_IS_ID( l, KaxTrackNumber ) )
210 {
211 KaxTrackNumber &tnum = *(KaxTrackNumber*)l;
212
213 tk->i_number = uint32( tnum );
214 msg_Dbg( &sys.demuxer, "| | | + Track Number=%u", uint32( tnum ) );
215 }
216 else if( MKV_IS_ID( l, KaxTrackUID ) )
217 {
218 KaxTrackUID &tuid = *(KaxTrackUID*)l;
219
220 msg_Dbg( &sys.demuxer, "| | | + Track UID=%u", uint32( tuid ) );
221 }
222 else if( MKV_IS_ID( l, KaxTrackType ) )
223 {
224 const char *psz_type;
225 KaxTrackType &ttype = *(KaxTrackType*)l;
226
227 switch( uint8(ttype) )
228 {
229 case track_audio:
230 psz_type = "audio";
231 tk->fmt.i_cat = AUDIO_ES;
232 break;
233 case track_video:
234 psz_type = "video";
235 tk->fmt.i_cat = VIDEO_ES;
236 break;
237 case track_subtitle:
238 psz_type = "subtitle";
239 tk->fmt.i_cat = SPU_ES;
240 break;
241 case track_buttons:
242 psz_type = "buttons";
243 tk->fmt.i_cat = SPU_ES;
244 break;
245 default:
246 psz_type = "unknown";
247 tk->fmt.i_cat = UNKNOWN_ES;
248 break;
249 }
250
251 msg_Dbg( &sys.demuxer, "| | | + Track Type=%s", psz_type );
252 }
253 else if( MKV_IS_ID( l, KaxTrackFlagEnabled ) ) // UNUSED
254 {
255 KaxTrackFlagEnabled &fenb = *(KaxTrackFlagEnabled*)l;
256
257 // tk->b_enabled = uint32( fenb );
258 msg_Dbg( &sys.demuxer, "| | | + Track Enabled=%u", uint32( fenb ) );
259 }
260 else if( MKV_IS_ID( l, KaxTrackFlagDefault ) )
261 {
262 KaxTrackFlagDefault &fdef = *(KaxTrackFlagDefault*)l;
263
264 tk->b_default = uint32( fdef );
265 msg_Dbg( &sys.demuxer, "| | | + Track Default=%u", uint32( fdef ) );
266 }
267 else if( MKV_IS_ID( l, KaxTrackFlagForced ) ) // UNUSED
268 {
269 KaxTrackFlagForced &ffor = *(KaxTrackFlagForced*)l;
270
271 msg_Dbg( &sys.demuxer, "| | | + Track Forced=%u", uint32( ffor ) );
272 }
273 else if( MKV_IS_ID( l, KaxTrackFlagLacing ) ) // UNUSED
274 {
275 KaxTrackFlagLacing &lac = *(KaxTrackFlagLacing*)l;
276
277 msg_Dbg( &sys.demuxer, "| | | + Track Lacing=%d", uint32( lac ) );
278 }
279 else if( MKV_IS_ID( l, KaxTrackMinCache ) ) // UNUSED
280 {
281 KaxTrackMinCache &cmin = *(KaxTrackMinCache*)l;
282
283 msg_Dbg( &sys.demuxer, "| | | + Track MinCache=%d", uint32( cmin ) );
284 }
285 else if( MKV_IS_ID( l, KaxTrackMaxCache ) ) // UNUSED
286 {
287 KaxTrackMaxCache &cmax = *(KaxTrackMaxCache*)l;
288
289 msg_Dbg( &sys.demuxer, "| | | + Track MaxCache=%d", uint32( cmax ) );
290 }
291 else if( MKV_IS_ID( l, KaxTrackDefaultDuration ) )
292 {
293 KaxTrackDefaultDuration &defd = *(KaxTrackDefaultDuration*)l;
294
295 tk->i_default_duration = uint64(defd);
296 msg_Dbg( &sys.demuxer, "| | | + Track Default Duration=%"PRId64, uint64(defd) );
297 }
298 else if( MKV_IS_ID( l, KaxTrackTimecodeScale ) )
299 {
300 KaxTrackTimecodeScale &ttcs = *(KaxTrackTimecodeScale*)l;
301
302 tk->f_timecodescale = float( ttcs );
303 msg_Dbg( &sys.demuxer, "| | | + Track TimeCodeScale=%f", tk->f_timecodescale );
304 }
305 else if( MKV_IS_ID( l, KaxMaxBlockAdditionID ) ) // UNUSED
306 {
307 KaxMaxBlockAdditionID &mbl = *(KaxMaxBlockAdditionID*)l;
308
309 msg_Dbg( &sys.demuxer, "| | | + Track Max BlockAdditionID=%d", uint32( mbl ) );
310 }
311 else if( MKV_IS_ID( l, KaxTrackName ) )
312 {
313 KaxTrackName &tname = *(KaxTrackName*)l;
314
315 tk->fmt.psz_description = ToUTF8( UTFstring( tname ) );
316 msg_Dbg( &sys.demuxer, "| | | + Track Name=%s", tk->fmt.psz_description );
317 }
318 else if( MKV_IS_ID( l, KaxTrackLanguage ) )
319 {
320 KaxTrackLanguage &lang = *(KaxTrackLanguage*)l;
321
322 free( tk->fmt.psz_language );
323 tk->fmt.psz_language = strdup( string( lang ).c_str() );
324 msg_Dbg( &sys.demuxer,
325 "| | | + Track Language=`%s'", tk->fmt.psz_language );
326 }
327 else if( MKV_IS_ID( l, KaxCodecID ) )
328 {
329 KaxCodecID &codecid = *(KaxCodecID*)l;
330
331 tk->psz_codec = strdup( string( codecid ).c_str() );
332 msg_Dbg( &sys.demuxer, "| | | + Track CodecId=%s", string( codecid ).c_str() );
333 }
334 else if( MKV_IS_ID( l, KaxCodecPrivate ) )
335 {
336 KaxCodecPrivate &cpriv = *(KaxCodecPrivate*)l;
337
338 tk->i_extra_data = cpriv.GetSize();
339 if( tk->i_extra_data > 0 )
340 {
341 tk->p_extra_data = (uint8_t*)malloc( tk->i_extra_data );
342 memcpy( tk->p_extra_data, cpriv.GetBuffer(), tk->i_extra_data );
343 }
344 msg_Dbg( &sys.demuxer, "| | | + Track CodecPrivate size=%"PRId64, cpriv.GetSize() );
345 }
346 else if( MKV_IS_ID( l, KaxCodecName ) )
347 {
348 KaxCodecName &cname = *(KaxCodecName*)l;
349
350 tk->psz_codec_name = ToUTF8( UTFstring( cname ) );
351 msg_Dbg( &sys.demuxer, "| | | + Track Codec Name=%s", tk->psz_codec_name );
352 }
353 //AttachmentLink
354 else if( MKV_IS_ID( l, KaxCodecDecodeAll ) ) // UNUSED
355 {
356 KaxCodecDecodeAll &cdall = *(KaxCodecDecodeAll*)l;
357
358 msg_Dbg( &sys.demuxer, "| | | + Track Codec Decode All=%u", uint8( cdall ) );
359 }
360 else if( MKV_IS_ID( l, KaxTrackOverlay ) ) // UNUSED
361 {
362 KaxTrackOverlay &tovr = *(KaxTrackOverlay*)l;
363
364 msg_Dbg( &sys.demuxer, "| | | + Track Overlay=%u", uint32( tovr ) );
365 }
366 else if( MKV_IS_ID( l, KaxContentEncodings ) )
367 {
368 EbmlMaster *cencs = static_cast<EbmlMaster*>(l);
369 MkvTree( sys.demuxer, 3, "Content Encodings" );
370 if ( cencs->ListSize() > 1 )
371 {
372 msg_Err( &sys.demuxer, "Multiple Compression method not supported" );
373 bSupported = false;
374 }
375 for( size_t j = 0; j < cencs->ListSize(); j++ )
376 {
377 EbmlElement *l2 = (*cencs)[j];
378 if( MKV_IS_ID( l2, KaxContentEncoding ) )
379 {
380 MkvTree( sys.demuxer, 4, "Content Encoding" );
381 EbmlMaster *cenc = static_cast<EbmlMaster*>(l2);
382 for( size_t k = 0; k < cenc->ListSize(); k++ )
383 {
384 EbmlElement *l3 = (*cenc)[k];
385 if( MKV_IS_ID( l3, KaxContentEncodingOrder ) )
386 {
387 KaxContentEncodingOrder &encord = *(KaxContentEncodingOrder*)l3;
388 MkvTree( sys.demuxer, 5, "Order: %i", uint32( encord ) );
389 }
390 else if( MKV_IS_ID( l3, KaxContentEncodingScope ) )
391 {
392 KaxContentEncodingScope &encscope = *(KaxContentEncodingScope*)l3;
393 MkvTree( sys.demuxer, 5, "Scope: %i", uint32( encscope ) );
394 }
395 else if( MKV_IS_ID( l3, KaxContentEncodingType ) )
396 {
397 KaxContentEncodingType &enctype = *(KaxContentEncodingType*)l3;
398 MkvTree( sys.demuxer, 5, "Type: %i", uint32( enctype ) );
399 }
400 else if( MKV_IS_ID( l3, KaxContentCompression ) )
401 {
402 EbmlMaster *compr = static_cast<EbmlMaster*>(l3);
403 MkvTree( sys.demuxer, 5, "Content Compression" );
404 //Default compression type is 0 (Zlib)
405 tk->i_compression_type = MATROSKA_COMPRESSION_ZLIB;
406 for( size_t n = 0; n < compr->ListSize(); n++ )
407 {
408 EbmlElement *l4 = (*compr)[n];
409 if( MKV_IS_ID( l4, KaxContentCompAlgo ) )
410 {
411 KaxContentCompAlgo &compalg = *(KaxContentCompAlgo*)l4;
412 MkvTree( sys.demuxer, 6, "Compression Algorithm: %i", uint32(compalg) );
413 tk->i_compression_type = uint32( compalg );
414 if ( ( tk->i_compression_type != MATROSKA_COMPRESSION_ZLIB ) &&
415 ( tk->i_compression_type != MATROSKA_COMPRESSION_HEADER ) )
416 {
417 msg_Err( &sys.demuxer, "Track Compression method %d not supported", tk->i_compression_type );
418 bSupported = false;
419 }
420 }
421 else if( MKV_IS_ID( l4, KaxContentCompSettings ) )
422 {
423 tk->p_compression_data = new KaxContentCompSettings( *(KaxContentCompSettings*)l4 );
424 }
425 else
426 {
427 MkvTree( sys.demuxer, 6, "Unknown (%s)", typeid(*l4).name() );
428 }
429 }
430 }
431 // ContentEncryption Unsupported
432 else
433 {
434 MkvTree( sys.demuxer, 5, "Unknown (%s)", typeid(*l3).name() );
435 }
436 }
437 }
438 else
439 {
440 MkvTree( sys.demuxer, 4, "Unknown (%s)", typeid(*l2).name() );
441 }
442 }
443 }
444 // else if( MKV_IS_ID( l, KaxCodecSettings) ) DEPRECATED by matroska
445 // {
446 // KaxCodecSettings &cset = *(KaxCodecSettings*)l;
447
448 // tk->psz_codec_settings = ToUTF8( UTFstring( cset ) );
449 // msg_Dbg( &sys.demuxer, "| | | + Track Codec Settings=%s", tk->psz_codec_settings );
450 // }
451 // else if( MKV_IS_ID( l, KaxCodecInfoURL) ) DEPRECATED by matroska
452 // {
453 // KaxCodecInfoURL &ciurl = *(KaxCodecInfoURL*)l;
454
455 // tk->psz_codec_info_url = strdup( string( ciurl ).c_str() );
456 // msg_Dbg( &sys.demuxer, "| | | + Track Codec Info URL=%s", tk->psz_codec_info_url );
457 // }
458 // else if( MKV_IS_ID( l, KaxCodecDownloadURL) ) DEPRECATED by matroska
459 // {
460 // KaxCodecDownloadURL &cdurl = *(KaxCodecDownloadURL*)l;
461
462 // tk->psz_codec_download_url = strdup( string( cdurl ).c_str() );
463 // msg_Dbg( &sys.demuxer, "| | | + Track Codec Info URL=%s", tk->psz_codec_download_url );
464 // }
465 else if( MKV_IS_ID( l, KaxTrackVideo ) )
466 {
467 EbmlMaster *tkv = static_cast<EbmlMaster*>(l);
468 unsigned int i_crop_right = 0, i_crop_left = 0, i_crop_top = 0, i_crop_bottom = 0;
469 unsigned int i_display_unit = 0, i_display_width = 0, i_display_height = 0;
470
471 msg_Dbg( &sys.demuxer, "| | | + Track Video" );
472 tk->f_fps = 0.0;
473
474 tk->fmt.video.i_frame_rate_base = (unsigned int)(tk->i_default_duration / 1000);
475 tk->fmt.video.i_frame_rate = 1000000;
476
477 for( unsigned int j = 0; j < tkv->ListSize(); j++ )
478 {
479 EbmlElement *l = (*tkv)[j];
480 if( MKV_IS_ID( l, KaxVideoFlagInterlaced ) ) // UNUSED
481 {
482 KaxVideoFlagInterlaced &fint = *(KaxVideoFlagInterlaced*)l;
483
484 msg_Dbg( &sys.demuxer, "| | | | + Track Video Interlaced=%u", uint8( fint ) );
485 }
486 else if( MKV_IS_ID( l, KaxVideoStereoMode ) ) // UNUSED
487 {
488 KaxVideoStereoMode &stereo = *(KaxVideoStereoMode*)l;
489
490 msg_Dbg( &sys.demuxer, "| | | | + Track Video Stereo Mode=%u", uint8( stereo ) );
491 }
492 else if( MKV_IS_ID( l, KaxVideoPixelWidth ) )
493 {
494 KaxVideoPixelWidth &vwidth = *(KaxVideoPixelWidth*)l;
495
496 tk->fmt.video.i_width += uint16( vwidth );
497 msg_Dbg( &sys.demuxer, "| | | | + width=%d", uint16( vwidth ) );
498 }
499 else if( MKV_IS_ID( l, KaxVideoPixelHeight ) )
500 {
501 KaxVideoPixelWidth &vheight = *(KaxVideoPixelWidth*)l;
502
503 tk->fmt.video.i_height += uint16( vheight );
504 msg_Dbg( &sys.demuxer, "| | | | + height=%d", uint16( vheight ) );
505 }
506 else if( MKV_IS_ID( l, KaxVideoDisplayWidth ) )
507 {
508 KaxVideoDisplayWidth &vwidth = *(KaxVideoDisplayWidth*)l;
509
510 i_display_width = uint16( vwidth );
511 msg_Dbg( &sys.demuxer, "| | | | + display width=%d", uint16( vwidth ) );
512 }
513 else if( MKV_IS_ID( l, KaxVideoDisplayHeight ) )
514 {
515 KaxVideoDisplayWidth &vheight = *(KaxVideoDisplayWidth*)l;
516
517 i_display_height = uint16( vheight );
518 msg_Dbg( &sys.demuxer, "| | | | + display height=%d", uint16( vheight ) );
519 }
520 else if( MKV_IS_ID( l, KaxVideoPixelCropBottom ) )
521 {
522 KaxVideoPixelCropBottom &cropval = *(KaxVideoPixelCropBottom*)l;
523
524 i_crop_bottom = uint16( cropval );
525 msg_Dbg( &sys.demuxer, "| | | | + crop pixel bottom=%d", uint16( cropval ) );
526 }
527 else if( MKV_IS_ID( l, KaxVideoPixelCropTop ) )
528 {
529 KaxVideoPixelCropTop &cropval = *(KaxVideoPixelCropTop*)l;
530
531 i_crop_top = uint16( cropval );
532 msg_Dbg( &sys.demuxer, "| | | | + crop pixel top=%d", uint16( cropval ) );
533 }
534 else if( MKV_IS_ID( l, KaxVideoPixelCropRight ) )
535 {
536 KaxVideoPixelCropRight &cropval = *(KaxVideoPixelCropRight*)l;
537
538 i_crop_right = uint16( cropval );
539 msg_Dbg( &sys.demuxer, "| | | | + crop pixel right=%d", uint16( cropval ) );
540 }
541 else if( MKV_IS_ID( l, KaxVideoPixelCropLeft ) )
542 {
543 KaxVideoPixelCropLeft &cropval = *(KaxVideoPixelCropLeft*)l;
544
545 i_crop_left = uint16( cropval );
546 msg_Dbg( &sys.demuxer, "| | | | + crop pixel left=%d", uint16( cropval ) );
547 }
548 else if( MKV_IS_ID( l, KaxVideoDisplayUnit ) )
549 {
550 KaxVideoDisplayUnit &vdmode = *(KaxVideoDisplayUnit*)l;
551
552 i_display_unit = uint8( vdmode );
553 msg_Dbg( &sys.demuxer, "| | | | + Track Video Display Unit=%s",
554 i_display_unit == 0 ? "pixels" : ( i_display_unit == 1 ? "centimeters": "inches" ) );
555 }
556 else if( MKV_IS_ID( l, KaxVideoAspectRatio ) ) // UNUSED
557 {
558 KaxVideoAspectRatio &ratio = *(KaxVideoAspectRatio*)l;
559
560 msg_Dbg( &sys.demuxer, " | | | + Track Video Aspect Ratio Type=%u", uint8( ratio ) );
561 }
562 // ColourSpace UNUSED
563 else if( MKV_IS_ID( l, KaxVideoFrameRate ) )
564 {
565 KaxVideoFrameRate &vfps = *(KaxVideoFrameRate*)l;
566
567 tk->f_fps = float( vfps );
568 msg_Dbg( &sys.demuxer, " | | | + fps=%f", float( vfps ) );
569 }
570 // else if( MKV_IS_ID( l, KaxVideoGamma) ) //DEPRECATED by Matroska
571 // {
572 // KaxVideoGamma &gamma = *(KaxVideoGamma*)l;
573
574 // msg_Dbg( &sys.demuxer, " | | | + gamma=%f", float( gamma ) );
575 // }
576 else
577 {
578 msg_Dbg( &sys.demuxer, "| | | | + Unknown (%s)", typeid(*l).name() );
579 }
580 }
581 if( i_display_height && i_display_width )
582 {
583 tk->fmt.video.i_sar_num = i_display_width * tk->fmt.video.i_height;
584 tk->fmt.video.i_sar_den = i_display_height * tk->fmt.video.i_width;
585 }
586 if( i_crop_left || i_crop_right || i_crop_top || i_crop_bottom )
587 {
588 tk->fmt.video.i_visible_width = tk->fmt.video.i_width;
589 tk->fmt.video.i_visible_height = tk->fmt.video.i_height;
590 tk->fmt.video.i_x_offset = i_crop_left;
591 tk->fmt.video.i_y_offset = i_crop_top;
592 tk->fmt.video.i_visible_width -= i_crop_left + i_crop_right;
593 tk->fmt.video.i_visible_height -= i_crop_top + i_crop_bottom;
594 }
595 /* FIXME: i_display_* allows you to not only set DAR, but also a zoom factor.
596 we do not support this atm */
597 }
598 else if( MKV_IS_ID( l, KaxTrackAudio ) )
599 {
600 EbmlMaster *tka = static_cast<EbmlMaster*>(l);
601
602 msg_Dbg( &sys.demuxer, "| | | + Track Audio" );
603
604 for( unsigned int j = 0; j < tka->ListSize(); j++ )
605 {
606 EbmlElement *l = (*tka)[j];
607
608 if( MKV_IS_ID( l, KaxAudioSamplingFreq ) )
609 {
610 KaxAudioSamplingFreq &afreq = *(KaxAudioSamplingFreq*)l;
611
612 tk->i_original_rate = tk->fmt.audio.i_rate = (int)float( afreq );
613 msg_Dbg( &sys.demuxer, "| | | | + afreq=%d", tk->fmt.audio.i_rate );
614 }
615 else if( MKV_IS_ID( l, KaxAudioOutputSamplingFreq ) )
616 {
617 KaxAudioOutputSamplingFreq &afreq = *(KaxAudioOutputSamplingFreq*)l;
618
619 tk->fmt.audio.i_rate = (int)float( afreq );
620 msg_Dbg( &sys.demuxer, "| | | | + aoutfreq=%d", tk->fmt.audio.i_rate );
621 }
622 else if( MKV_IS_ID( l, KaxAudioChannels ) )
623 {
624 KaxAudioChannels &achan = *(KaxAudioChannels*)l;
625
626 tk->fmt.audio.i_channels = uint8( achan );
627 msg_Dbg( &sys.demuxer, "| | | | + achan=%u", uint8( achan ) );
628 }
629 else if( MKV_IS_ID( l, KaxAudioBitDepth ) )
630 {
631 KaxAudioBitDepth &abits = *(KaxAudioBitDepth*)l;
632
633 tk->fmt.audio.i_bitspersample = uint8( abits );
634 msg_Dbg( &sys.demuxer, "| | | | + abits=%u", uint8( abits ) );
635 }
636 else
637 {
638 msg_Dbg( &sys.demuxer, "| | | | + Unknown (%s)", typeid(*l).name() );
639 }
640 }
641 }
642 else
643 {
644 msg_Dbg( &sys.demuxer, "| | | + Unknown (%s)",
645 typeid(*l).name() );
646 }
647 }
648
649 if ( bSupported )
650 {
651 tracks.push_back( tk );
652 }
653 else
654 {
655 msg_Err( &sys.demuxer, "Track Entry %d not supported", tk->i_number );
656 delete tk;
657 }
658 }
659
660 /*****************************************************************************
661 * ParseTracks:
662 *****************************************************************************/
663 void matroska_segment_c::ParseTracks( KaxTracks *tracks )
664 {
665 EbmlElement *el;
666 int i_upper_level = 0;
667
668 /* Master elements */
669 tracks->Read( es, EBML_CONTEXT(tracks), i_upper_level, el, true );
670
671 for( size_t i = 0; i < tracks->ListSize(); i++ )
672 {
673 EbmlElement *l = (*tracks)[i];
674
675 if( MKV_IS_ID( l, KaxTrackEntry ) )
676 {
677 ParseTrackEntry( static_cast<KaxTrackEntry *>(l) );
678 }
679 else
680 {
681 msg_Dbg( &sys.demuxer, "| | + Unknown (%s)", typeid(*l).name() );
682 }
683 }
684 }
685
686 /*****************************************************************************
687 * ParseInfo:
688 *****************************************************************************/
689 void matroska_segment_c::ParseInfo( KaxInfo *info )
690 {
691 EbmlElement *el;
692 EbmlMaster *m;
693 int i_upper_level = 0;
694
695 /* Master elements */
696 m = static_cast<EbmlMaster *>(info);
697 m->Read( es, EBML_CONTEXT(info), i_upper_level, el, true );
698
699 for( size_t i = 0; i < m->ListSize(); i++ )
700 {
701 EbmlElement *l = (*m)[i];
702
703 if( MKV_IS_ID( l, KaxSegmentUID ) )
704 {
705 if ( p_segment_uid == NULL )
706 p_segment_uid = new KaxSegmentUID(*static_cast<KaxSegmentUID*>(l));
707
708 msg_Dbg( &sys.demuxer, "| | + UID=%d", *(uint32*)p_segment_uid->GetBuffer() );
709 }
710 else if( MKV_IS_ID( l, KaxPrevUID ) )
711 {
712 if ( p_prev_segment_uid == NULL )
713 p_prev_segment_uid = new KaxPrevUID(*static_cast<KaxPrevUID*>(l));
714
715 msg_Dbg( &sys.demuxer, "| | + PrevUID=%d", *(uint32*)p_prev_segment_uid->GetBuffer() );
716 }
717 else if( MKV_IS_ID( l, KaxNextUID ) )
718 {
719 if ( p_next_segment_uid == NULL )
720 p_next_segment_uid = new KaxNextUID(*static_cast<KaxNextUID*>(l));
721
722 msg_Dbg( &sys.demuxer, "| | + NextUID=%d", *(uint32*)p_next_segment_uid->GetBuffer() );
723 }
724 else if( MKV_IS_ID( l, KaxTimecodeScale ) )
725 {
726 KaxTimecodeScale &tcs = *(KaxTimecodeScale*)l;
727
728 i_timescale = uint64(tcs);
729
730 msg_Dbg( &sys.demuxer, "| | + TimecodeScale=%"PRId64,
731 i_timescale );
732 }
733 else if( MKV_IS_ID( l, KaxDuration ) )
734 {
735 KaxDuration &dur = *(KaxDuration*)l;
736
737 i_duration = mtime_t( double( dur ) );
738
739 msg_Dbg( &sys.demuxer, "| | + Duration=%"PRId64,
740 i_duration );
741 }
742 else if( MKV_IS_ID( l, KaxMuxingApp ) )
743 {
744 KaxMuxingApp &mapp = *(KaxMuxingApp*)l;
745
746 psz_muxing_application = ToUTF8( UTFstring( mapp ) );
747
748 msg_Dbg( &sys.demuxer, "| | + Muxing Application=%s",
749 psz_muxing_application );
750 }
751 else if( MKV_IS_ID( l, KaxWritingApp ) )
752 {
753 KaxWritingApp &wapp = *(KaxWritingApp*)l;
754
755 psz_writing_application = ToUTF8( UTFstring( wapp ) );
756
757 msg_Dbg( &sys.demuxer, "| | + Writing Application=%s",
758 psz_writing_application );
759 }
760 else if( MKV_IS_ID( l, KaxSegmentFilename ) )
761 {
762 KaxSegmentFilename &sfn = *(KaxSegmentFilename*)l;
763
764 psz_segment_filename = ToUTF8( UTFstring( sfn ) );
765
766 msg_Dbg( &sys.demuxer, "| | + Segment Filename=%s",
767 psz_segment_filename );
768 }
769 else if( MKV_IS_ID( l, KaxTitle ) )
770 {
771 KaxTitle &title = *(KaxTitle*)l;
772
773 psz_title = ToUTF8( UTFstring( title ) );
774
775 msg_Dbg( &sys.demuxer, "| | + Title=%s", psz_title );
776 }
777 else if( MKV_IS_ID( l, KaxSegmentFamily ) )
778 {
779 KaxSegmentFamily *uid = static_cast<KaxSegmentFamily*>(l);
780
781 families.push_back( new KaxSegmentFamily(*uid) );
782
783 msg_Dbg( &sys.demuxer, "| | + family=%d", *(uint32*)uid->GetBuffer() );
784 }
785 else if( MKV_IS_ID( l, KaxDateUTC ) )
786 {
787 KaxDateUTC &date = *(KaxDateUTC*)l;
788 time_t i_date;
789 struct tm tmres;
790 char buffer[25];
791
792 i_date = date.GetEpochDate();
793 if( gmtime_r( &i_date, &tmres ) &&
794 strftime( buffer, sizeof(buffer), "%a %b %d %H:%M:%S %Y",
795 &tmres ) )
796 {
797 psz_date_utc = strdup( buffer );
798 msg_Dbg( &sys.demuxer, "| | + Date=%s", buffer );
799 }
800 }
801 else if( MKV_IS_ID( l, KaxChapterTranslate ) )
802 {
803 KaxChapterTranslate *p_trans = static_cast<KaxChapterTranslate*>( l );
804 chapter_translation_c *p_translate = new chapter_translation_c();
805
806 p_trans->Read( es, EBML_CONTEXT(p_trans), i_upper_level, el, true );
807 for( size_t j = 0; j < p_trans->ListSize(); j++ )
808 {
809 EbmlElement *l = (*p_trans)[j];
810
811 if( MKV_IS_ID( l, KaxChapterTranslateEditionUID ) )
812 {
813 p_translate->editions.push_back( uint64( *static_cast<KaxChapterTranslateEditionUID*>( l ) ) );
814 }
815 else if( MKV_IS_ID( l, KaxChapterTranslateCodec ) )
816 {
817 p_translate->codec_id = uint32( *static_cast<KaxChapterTranslateCodec*>( l ) );
818 }
819 else if( MKV_IS_ID( l, KaxChapterTranslateID ) )
820 {
821 p_translate->p_translated = new KaxChapterTranslateID( *static_cast<KaxChapterTranslateID*>( l ) );
822 }
823 }
824
825 translations.push_back( p_translate );
826 }
827 else
828 {
829 msg_Dbg( &sys.demuxer, "| | + Unknown (%s)", typeid(*l).name() );
830 }
831 }
832
833 double f_dur = double(i_duration) * double(i_timescale) / 1000000.0;
834 i_duration = mtime_t(f_dur);
835 }
836
837
838 /*****************************************************************************
839 * ParseChapterAtom
840 *****************************************************************************/
841 void matroska_segment_c::ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters )
842 {
843 msg_Dbg( &sys.demuxer, "| | | + ChapterAtom (level=%d)", i_level );
844 for( size_t i = 0; i < ca->ListSize(); i++ )
845 {
846 EbmlElement *l = (*ca)[i];
847
848 if( MKV_IS_ID( l, KaxChapterUID ) )
849 {
850 chapters.i_uid = uint64_t(*(KaxChapterUID*)l);
851 msg_Dbg( &sys.demuxer, "| | | | + ChapterUID: %"PRIu64"", chapters.i_uid );
852 }
853 else if( MKV_IS_ID( l, KaxChapterFlagHidden ) )
854 {
855 KaxChapterFlagHidden &flag =*(KaxChapterFlagHidden*)l;
856 chapters.b_display_seekpoint = uint8( flag ) == 0;
857
858 msg_Dbg( &sys.demuxer, "| | | | + ChapterFlagHidden: %s", chapters.b_display_seekpoint ? "no":"yes" );
859 }
860 else if( MKV_IS_ID( l, KaxChapterSegmentUID ) )
861 {
862 chapters.p_segment_uid = new KaxChapterSegmentUID( *static_cast<KaxChapterSegmentUID*>(l) );
863 msg_Dbg( &sys.demuxer, "| | | | + ChapterSegmentUID= %u", *(uint32*)chapters.p_segment_uid->GetBuffer() );
864 }
865 else if( MKV_IS_ID( l, KaxChapterSegmentEditionUID ) )
866 {
867 chapters.p_segment_edition_uid = new KaxChapterSegmentEditionUID( *static_cast<KaxChapterSegmentEditionUID*>(l) );
868 msg_Dbg( &sys.demuxer, "| | | | + ChapterSegmentEditionUID= %u",
869 #if LIBMATROSKA_VERSION < 0x010300
870 *(uint32*)chapters.p_segment_edition_uid->GetBuffer()
871 #else
872 *(uint32*)chapters.p_segment_edition_uid
873 #endif
874 );
875 }
876 else if( MKV_IS_ID( l, KaxChapterTimeStart ) )
877 {
878 KaxChapterTimeStart &start =*(KaxChapterTimeStart*)l;
879 chapters.i_start_time = uint64( start ) / INT64_C(1000);
880
881 msg_Dbg( &sys.demuxer, "| | | | + ChapterTimeStart: %"PRId64"", chapters.i_start_time );
882 }
883 else if( MKV_IS_ID( l, KaxChapterTimeEnd ) )
884 {
885 KaxChapterTimeEnd &end =*(KaxChapterTimeEnd*)l;
886 chapters.i_end_time = uint64( end ) / INT64_C(1000);
887
888 msg_Dbg( &sys.demuxer, "| | | | + ChapterTimeEnd: %"PRId64"", chapters.i_end_time );
889 }
890 else if( MKV_IS_ID( l, KaxChapterDisplay ) )
891 {
892 EbmlMaster *cd = static_cast<EbmlMaster *>(l);
893
894 msg_Dbg( &sys.demuxer, "| | | | + ChapterDisplay" );
895 for( size_t j = 0; j < cd->ListSize(); j++ )
896 {
897 EbmlElement *l= (*cd)[j];
898
899 if( MKV_IS_ID( l, KaxChapterString ) )
900 {
901 KaxChapterString &name =*(KaxChapterString*)l;
902 for ( int k = 0; k < i_level; k++)
903 chapters.psz_name += '+';
904 chapters.psz_name += ' ';
905 char *psz_tmp_utf8 = ToUTF8( UTFstring( name ) );
906 chapters.psz_name += psz_tmp_utf8;
907 chapters.b_user_display = true;
908
909 msg_Dbg( &sys.demuxer, "| | | | | + ChapterString '%s'", psz_tmp_utf8 );
910 free( psz_tmp_utf8 );
911 }
912 else if( MKV_IS_ID( l, KaxChapterLanguage ) )
913 {
914 KaxChapterLanguage &lang =*(KaxChapterLanguage*)l;
915 const char *psz = string( lang ).c_str();
916
917 msg_Dbg( &sys.demuxer, "| | | | | + ChapterLanguage '%s'", psz );
918 }
919 else if( MKV_IS_ID( l, KaxChapterCountry ) )
920 {
921 KaxChapterCountry &ct =*(KaxChapterCountry*)l;
922 const char *psz = string( ct ).c_str();
923
924 msg_Dbg( &sys.demuxer, "| | | | | + ChapterCountry '%s'", psz );
925 }
926 }
927 }
928 else if( MKV_IS_ID( l, KaxChapterProcess ) )
929 {
930 msg_Dbg( &sys.demuxer, "| | | | + ChapterProcess" );
931
932 KaxChapterProcess *cp = static_cast<KaxChapterProcess *>(l);
933 chapter_codec_cmds_c *p_ccodec = NULL;
934
935 for( size_t j = 0; j < cp->ListSize(); j++ )
936 {
937 EbmlElement *k= (*cp)[j];
938
939 if( MKV_IS_ID( k, KaxChapterProcessCodecID ) )
940 {
941 KaxChapterProcessCodecID *p_codec_id = static_cast<KaxChapterProcessCodecID*>( k );
942 if ( uint32(*p_codec_id) == 0 )
943 p_ccodec = new matroska_script_codec_c( sys );
944 else if ( uint32(*p_codec_id) == 1 )
945 p_ccodec = new dvd_chapter_codec_c( sys );
946 break;
947 }
948 }
949
950 if ( p_ccodec != NULL )
951 {
952 for( size_t j = 0; j < cp->ListSize(); j++ )
953 {
954 EbmlElement *k= (*cp)[j];
955
956 if( MKV_IS_ID( k, KaxChapterProcessPrivate ) )
957 {
958 KaxChapterProcessPrivate * p_private = static_cast<KaxChapterProcessPrivate*>( k );
959 p_ccodec->SetPrivate( *p_private );
960 }
961 else if( MKV_IS_ID( k, KaxChapterProcessCommand ) )
962 {
963 p_ccodec->AddCommand( *static_cast<KaxChapterProcessCommand*>( k ) );
964 }
965 }
966 chapters.codecs.push_back( p_ccodec );
967 }
968 }
969 else if( MKV_IS_ID( l, KaxChapterAtom ) )
970 {
971 chapter_item_c *new_sub_chapter = new chapter_item_c();
972 ParseChapterAtom( i_level+1, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
973 new_sub_chapter->p_parent = &chapters;
974 chapters.sub_chapters.push_back( new_sub_chapter );
975 }
976 }
977 }
978
979 /*****************************************************************************
980 * ParseAttachments:
981 *****************************************************************************/
982 void matroska_segment_c::ParseAttachments( KaxAttachments *attachments )
983 {
984 EbmlElement *el;
985 int i_upper_level = 0;
986
987 attachments->Read( es, EBML_CONTEXT(attachments), i_upper_level, el, true );
988
989 KaxAttached *attachedFile = FindChild<KaxAttached>( *attachments );
990
991 while( attachedFile && ( attachedFile->GetSize() > 0 ) )
992 {
993 KaxFileData &img_data = GetChild<KaxFileData>( *attachedFile );
994 attachment_c *new_attachment = new attachment_c( ToUTF8( UTFstring( GetChild<KaxFileName>( *attachedFile ) ) ),
995 GetChild<KaxMimeType>( *attachedFile ),
996 img_data.GetSize() );
997
998 msg_Dbg( &sys.demuxer, "| | - %s (%s)", new_attachment->fileName(), new_attachment->mimeType() );
999
1000 if( new_attachment->init() )
1001 {
1002 memcpy( new_attachment->p_data, img_data.GetBuffer(), img_data.GetSize() );
1003 sys.stored_attachments.push_back( new_attachment );
1004 }
1005 else
1006 {
1007 delete new_attachment;
1008 }
1009
1010 attachedFile = &GetNextChild<KaxAttached>( *attachments, *attachedFile );
1011 }
1012 }
1013
1014 /*****************************************************************************
1015 * ParseChapters:
1016 *****************************************************************************/
1017 void matroska_segment_c::ParseChapters( KaxChapters *chapters )
1018 {
1019 EbmlElement *el;
1020 int i_upper_level = 0;
1021
1022 /* Master elements */
1023 chapters->Read( es, EBML_CONTEXT(chapters), i_upper_level, el, true );
1024
1025 for( size_t i = 0; i < chapters->ListSize(); i++ )
1026 {
1027 EbmlElement *l = (*chapters)[i];
1028
1029 if( MKV_IS_ID( l, KaxEditionEntry ) )
1030 {
1031 chapter_edition_c *p_edition = new chapter_edition_c();
1032
1033 EbmlMaster *E = static_cast<EbmlMaster *>(l );
1034 msg_Dbg( &sys.demuxer, "| | + EditionEntry" );
1035 for( size_t j = 0; j < E->ListSize(); j++ )
1036 {
1037 EbmlElement *l = (*E)[j];
1038
1039 if( MKV_IS_ID( l, KaxChapterAtom ) )
1040 {
1041 chapter_item_c *new_sub_chapter = new chapter_item_c();
1042 ParseChapterAtom( 0, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
1043 p_edition->sub_chapters.push_back( new_sub_chapter );
1044 }
1045 else if( MKV_IS_ID( l, KaxEditionUID ) )
1046 {
1047 p_edition->i_uid = uint64(*static_cast<KaxEditionUID *>( l ));
1048 }
1049 else if( MKV_IS_ID( l, KaxEditionFlagOrdered ) )
1050 {
1051 p_edition->b_ordered = var_InheritBool( &sys.demuxer, "mkv-use-ordered-chapters" ) ? (uint8(*static_cast<KaxEditionFlagOrdered *>( l )) != 0) : 0;
1052 }
1053 else if( MKV_IS_ID( l, KaxEditionFlagDefault ) )
1054 {
1055 if (uint8(*static_cast<KaxEditionFlagDefault *>( l )) != 0)
1056 i_default_edition = stored_editions.size();
1057 }
1058 else if( MKV_IS_ID( l, KaxEditionFlagHidden ) )
1059 {
1060 // FIXME to implement
1061 }
1062 else
1063 {
1064 msg_Dbg( &sys.demuxer, "| | | + Unknown (%s)", typeid(*l).name() );
1065 }
1066 }
1067 stored_editions.push_back( p_edition );
1068 }
1069 else
1070 {
1071 msg_Dbg( &sys.demuxer, "| | + Unknown (%s)", typeid(*l).name() );
1072 }
1073 }
1074 }
1075
1076 void matroska_segment_c::ParseCluster( )
1077 {
1078 EbmlElement *el;
1079 EbmlMaster *m;
1080 int i_upper_level = 0;
1081
1082 /* Master elements */
1083 m = static_cast<EbmlMaster *>( cluster );
1084 m->Read( es, EBML_CONTEXT(cluster), i_upper_level, el, true );
1085
1086 for( unsigned int i = 0; i < m->ListSize(); i++ )
1087 {
1088 EbmlElement *l = (*m)[i];
1089
1090 if( MKV_IS_ID( l, KaxClusterTimecode ) )
1091 {
1092 KaxClusterTimecode &ctc = *(KaxClusterTimecode*)l;
1093
1094 cluster->InitTimecode( uint64( ctc ), i_timescale );
1095 break;
1096 }
1097 }
1098
1099 i_start_time = cluster->GlobalTimecode() / 1000;
1100 }
1101
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