git.sesse.net Git - vlc/blob - modules/demux/mkv/matroska_segment_parse.cpp

   1 /*****************************************************************************
   2  * matroska_segment_parse.cpp : matroska demuxer
   3  *****************************************************************************
   4  * Copyright (C) 2003-2010 VLC authors and VideoLAN
   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 it
  11  * under the terms of the GNU Lesser General Public License as published by
  12  * the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU Lesser General Public License
  21  * along with this program; if not, write to the Free Software Foundation,
  22  * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  23  *****************************************************************************/
  24 #include "mkv.hpp"
  25 #include "matroska_segment.hpp"
  26 #include "chapters.hpp"
  27 #include "demux.hpp"
  28 #include "Ebml_parser.hpp"
  29 #include "util.hpp"
  30
  31 extern "C" {
  32 #include "../vobsub.h"
  33 #include "../xiph.h"
  34 #include "../windows_audio_commons.h"
  35 }
  36
  37 #include <vlc_codecs.h>
  38
  39 /* GetFourCC helper */
  40 #define GetFOURCC( p )  __GetFOURCC( (uint8_t*)p )
  41 static vlc_fourcc_t __GetFOURCC( uint8_t *p )
  42 {
  43     return VLC_FOURCC( p[0], p[1], p[2], p[3] );
  44 }
  45
  46 static inline void fill_extra_data( mkv_track_t *p_tk, unsigned int offset )
  47 {
  48     if(p_tk->i_extra_data <= offset) return;
  49     p_tk->fmt.i_extra = p_tk->i_extra_data - offset;
  50     p_tk->fmt.p_extra = xmalloc( p_tk->fmt.i_extra );
  51     if(!p_tk->fmt.p_extra) { p_tk->fmt.i_extra = 0; return; };
  52     memcpy( p_tk->fmt.p_extra, p_tk->p_extra_data + offset, p_tk->fmt.i_extra );
  53 }
  54
  55 /*****************************************************************************
  56  * Some functions to manipulate memory
  57  *****************************************************************************/
  58 static inline char * ToUTF8( const UTFstring &u )
  59 {
  60     return strdup( u.GetUTF8().c_str() );
  61 }
  62
  63 /*****************************************************************************
  64  * ParseSeekHead:
  65  *****************************************************************************/
  66 void matroska_segment_c::ParseSeekHead( KaxSeekHead *seekhead )
  67 {
  68     EbmlParser  *ep;
  69     EbmlElement *l;
  70     bool b_seekable;
  71
  72     i_seekhead_count++;
  73
  74     stream_Control( sys.demuxer.s, STREAM_CAN_SEEK, &b_seekable );
  75     if( !b_seekable )
  76         return;
  77
  78     ep = new EbmlParser( &es, seekhead, &sys.demuxer );
  79
  80     while( ( l = ep->Get() ) != NULL )
  81     {
  82         if( MKV_IS_ID( l, KaxSeek ) )
  83         {
  84             EbmlId id = EBML_ID(EbmlVoid);
  85             int64_t i_pos = -1;
  86
  87 #ifdef MKV_DEBUG
  88             msg_Dbg( &sys.demuxer, "|   |   + Seek" );
  89 #endif
  90             ep->Down();
  91             try
  92             {
  93                 while( ( l = ep->Get() ) != NULL )
  94                 {
  95                     if( unlikely( l->GetSize() >= SIZE_MAX ) )
  96                     {
  97                         msg_Err( &sys.demuxer,"%s too big... skipping it",  typeid(*l).name() );
  98                         continue;
  99                     }
 100                     if( MKV_IS_ID( l, KaxSeekID ) )
 101                     {
 102                         KaxSeekID &sid = *(KaxSeekID*)l;
 103                         sid.ReadData( es.I_O() );
 104                         id = EbmlId( sid.GetBuffer(), sid.GetSize() );
 105                     }
 106                     else if( MKV_IS_ID( l, KaxSeekPosition ) )
 107                     {
 108                         KaxSeekPosition &spos = *(KaxSeekPosition*)l;
 109                         spos.ReadData( es.I_O() );
 110                         i_pos = (int64_t)segment->GetGlobalPosition( uint64( spos ) );
 111                     }
 112                     else
 113                     {
 114                         /* Many mkvmerge files hit this case. It seems to be a broken SeekHead */
 115                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
 116                     }
 117                 }
 118             }
 119             catch(...)
 120             {
 121                 msg_Err( &sys.demuxer,"Error while reading %s",  typeid(*l).name() );
 122             }
 123             ep->Up();
 124
 125             if( i_pos >= 0 )
 126             {
 127                 if( id == EBML_ID(KaxCues) )
 128                 {
 129                     msg_Dbg( &sys.demuxer, "|   - cues at %"PRId64, i_pos );
 130                     LoadSeekHeadItem( EBML_INFO(KaxCues), i_pos );
 131                 }
 132                 else if( id == EBML_ID(KaxInfo) )
 133                 {
 134                     msg_Dbg( &sys.demuxer, "|   - info at %"PRId64, i_pos );
 135                     LoadSeekHeadItem( EBML_INFO(KaxInfo), i_pos );
 136                 }
 137                 else if( id == EBML_ID(KaxChapters) )
 138                 {
 139                     msg_Dbg( &sys.demuxer, "|   - chapters at %"PRId64, i_pos );
 140                     LoadSeekHeadItem( EBML_INFO(KaxChapters), i_pos );
 141                 }
 142                 else if( id == EBML_ID(KaxTags) )
 143                 {
 144                     msg_Dbg( &sys.demuxer, "|   - tags at %"PRId64, i_pos );
 145                     LoadSeekHeadItem( EBML_INFO(KaxTags), i_pos );
 146                 }
 147                 else if( id == EBML_ID(KaxSeekHead) )
 148                 {
 149                     msg_Dbg( &sys.demuxer, "|   - chained seekhead at %"PRId64, i_pos );
 150                     LoadSeekHeadItem( EBML_INFO(KaxSeekHead), i_pos );
 151                 }
 152                 else if( id == EBML_ID(KaxTracks) )
 153                 {
 154                     msg_Dbg( &sys.demuxer, "|   - tracks at %"PRId64, i_pos );
 155                     LoadSeekHeadItem( EBML_INFO(KaxTracks), i_pos );
 156                 }
 157                 else if( id == EBML_ID(KaxAttachments) )
 158                 {
 159                     msg_Dbg( &sys.demuxer, "|   - attachments at %"PRId64, i_pos );
 160                     LoadSeekHeadItem( EBML_INFO(KaxAttachments), i_pos );
 161                 }
 162 #ifdef MKV_DEBUG
 163                 else
 164                     msg_Dbg( &sys.demuxer, "|   - unknown seekhead reference at %"PRId64, i_pos );
 165 #endif
 166             }
 167         }
 168         else
 169             msg_Dbg( &sys.demuxer, "|   |   + ParseSeekHead Unknown (%s)", typeid(*l).name() );
 170     }
 171     delete ep;
 172 }
 173
 174
 175 /**
 176  * Helper function to print the mkv parse tree
 177  */
 178 static void MkvTree( demux_t & demuxer, int i_level, const char *psz_format, ... )
 179 {
 180     va_list args;
 181     if( i_level > 9 )
 182     {
 183         msg_Err( &demuxer, "MKV tree is too deep" );
 184         return;
 185     }
 186     va_start( args, psz_format );
 187     static const char psz_foo[] = "|   |   |   |   |   |   |   |   |   |";
 188     char *psz_foo2 = (char*)malloc( i_level * 4 + 3 + strlen( psz_format ) );
 189     strncpy( psz_foo2, psz_foo, 4 * i_level );
 190     psz_foo2[ 4 * i_level ] = '+';
 191     psz_foo2[ 4 * i_level + 1 ] = ' ';
 192     strcpy( &psz_foo2[ 4 * i_level + 2 ], psz_format );
 193     msg_GenericVa( &demuxer,VLC_MSG_DBG, "mkv", psz_foo2, args );
 194     free( psz_foo2 );
 195     va_end( args );
 196 }
 197
 198
 199 /*****************************************************************************
 200  * ParseTrackEntry:
 201  *****************************************************************************/
 202 void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
 203 {
 204     bool bSupported = true;
 205
 206     /* Init the track */
 207     mkv_track_t *tk = new mkv_track_t();
 208     memset( tk, 0, sizeof( mkv_track_t ) );
 209
 210     es_format_Init( &tk->fmt, UNKNOWN_ES, 0 );
 211     tk->p_es = NULL;
 212     tk->fmt.psz_language       = strdup("English");
 213     tk->fmt.psz_description    = NULL;
 214
 215     tk->b_default              = true;
 216     tk->b_enabled              = true;
 217     tk->b_forced               = false;
 218     tk->b_silent               = false;
 219     tk->i_number               = tracks.size() - 1;
 220     tk->i_extra_data           = 0;
 221     tk->p_extra_data           = NULL;
 222     tk->psz_codec              = NULL;
 223     tk->b_dts_only             = false;
 224     tk->i_default_duration     = 0;
 225     tk->b_no_duration          = false;
 226     tk->f_timecodescale        = 1.0;
 227
 228     tk->b_inited               = false;
 229     tk->i_data_init            = 0;
 230     tk->p_data_init            = NULL;
 231
 232     tk->psz_codec_name         = NULL;
 233     tk->psz_codec_settings     = NULL;
 234     tk->psz_codec_info_url     = NULL;
 235     tk->psz_codec_download_url = NULL;
 236
 237     tk->i_compression_type     = MATROSKA_COMPRESSION_NONE;
 238     tk->i_encoding_scope       = MATROSKA_ENCODING_SCOPE_ALL_FRAMES;
 239     tk->p_compression_data     = NULL;
 240
 241     msg_Dbg( &sys.demuxer, "|   |   + Track Entry" );
 242
 243     for( size_t i = 0; i < m->ListSize(); i++ )
 244     {
 245         EbmlElement *l = (*m)[i];
 246
 247         if( MKV_IS_ID( l, KaxTrackNumber ) )
 248         {
 249             KaxTrackNumber &tnum = *(KaxTrackNumber*)l;
 250
 251             tk->i_number = uint32( tnum );
 252             msg_Dbg( &sys.demuxer, "|   |   |   + Track Number=%u", uint32( tnum ) );
 253         }
 254         else  if( MKV_IS_ID( l, KaxTrackUID ) )
 255         {
 256             KaxTrackUID &tuid = *(KaxTrackUID*)l;
 257
 258             msg_Dbg( &sys.demuxer, "|   |   |   + Track UID=%u",  uint32( tuid ) );
 259         }
 260         else  if( MKV_IS_ID( l, KaxTrackType ) )
 261         {
 262             const char *psz_type;
 263             KaxTrackType &ttype = *(KaxTrackType*)l;
 264
 265             switch( uint8(ttype) )
 266             {
 267                 case track_audio:
 268                     psz_type = "audio";
 269                     tk->fmt.i_cat = AUDIO_ES;
 270                     tk->fmt.audio.i_channels = 1;
 271                     tk->fmt.audio.i_rate = 8000;
 272                     break;
 273                 case track_video:
 274                     psz_type = "video";
 275                     tk->fmt.i_cat = VIDEO_ES;
 276                     break;
 277                 case track_subtitle:
 278                     psz_type = "subtitle";
 279                     tk->fmt.i_cat = SPU_ES;
 280                     break;
 281                 case track_buttons:
 282                     psz_type = "buttons";
 283                     tk->fmt.i_cat = SPU_ES;
 284                     break;
 285                 default:
 286                     psz_type = "unknown";
 287                     tk->fmt.i_cat = UNKNOWN_ES;
 288                     break;
 289             }
 290
 291             msg_Dbg( &sys.demuxer, "|   |   |   + Track Type=%s", psz_type );
 292         }
 293         else  if( MKV_IS_ID( l, KaxTrackFlagEnabled ) ) // UNUSED
 294         {
 295             KaxTrackFlagEnabled &fenb = *(KaxTrackFlagEnabled*)l;
 296
 297             tk->b_enabled = uint32( fenb );
 298             msg_Dbg( &sys.demuxer, "|   |   |   + Track Enabled=%u", uint32( fenb ) );
 299         }
 300         else  if( MKV_IS_ID( l, KaxTrackFlagDefault ) )
 301         {
 302             KaxTrackFlagDefault &fdef = *(KaxTrackFlagDefault*)l;
 303
 304             tk->b_default = uint32( fdef );
 305             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default=%u", uint32( fdef ) );
 306         }
 307         else  if( MKV_IS_ID( l, KaxTrackFlagForced ) ) // UNUSED
 308         {
 309             KaxTrackFlagForced &ffor = *(KaxTrackFlagForced*)l;
 310             tk->b_forced = uint32( ffor );
 311
 312             msg_Dbg( &sys.demuxer, "|   |   |   + Track Forced=%u", uint32( ffor ) );
 313         }
 314         else  if( MKV_IS_ID( l, KaxTrackFlagLacing ) ) // UNUSED
 315         {
 316             KaxTrackFlagLacing &lac = *(KaxTrackFlagLacing*)l;
 317
 318             msg_Dbg( &sys.demuxer, "|   |   |   + Track Lacing=%d", uint32( lac ) );
 319         }
 320         else  if( MKV_IS_ID( l, KaxTrackMinCache ) ) // UNUSED
 321         {
 322             KaxTrackMinCache &cmin = *(KaxTrackMinCache*)l;
 323
 324             msg_Dbg( &sys.demuxer, "|   |   |   + Track MinCache=%d", uint32( cmin ) );
 325         }
 326         else  if( MKV_IS_ID( l, KaxTrackMaxCache ) ) // UNUSED
 327         {
 328             KaxTrackMaxCache &cmax = *(KaxTrackMaxCache*)l;
 329
 330             msg_Dbg( &sys.demuxer, "|   |   |   + Track MaxCache=%d", uint32( cmax ) );
 331         }
 332         else  if( MKV_IS_ID( l, KaxTrackDefaultDuration ) )
 333         {
 334             KaxTrackDefaultDuration &defd = *(KaxTrackDefaultDuration*)l;
 335
 336             tk->i_default_duration = uint64(defd);
 337             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default Duration=%"PRId64, uint64(defd) );
 338         }
 339         else  if( MKV_IS_ID( l, KaxTrackTimecodeScale ) )
 340         {
 341             KaxTrackTimecodeScale &ttcs = *(KaxTrackTimecodeScale*)l;
 342
 343             tk->f_timecodescale = float( ttcs );
 344             if ( tk->f_timecodescale <= 0 ) tk->f_timecodescale = 1.0;
 345             msg_Dbg( &sys.demuxer, "|   |   |   + Track TimeCodeScale=%f", tk->f_timecodescale );
 346         }
 347         else  if( MKV_IS_ID( l, KaxMaxBlockAdditionID ) ) // UNUSED
 348         {
 349             KaxMaxBlockAdditionID &mbl = *(KaxMaxBlockAdditionID*)l;
 350
 351             msg_Dbg( &sys.demuxer, "|   |   |   + Track Max BlockAdditionID=%d", uint32( mbl ) );
 352         }
 353         else if( MKV_IS_ID( l, KaxTrackName ) )
 354         {
 355             KaxTrackName &tname = *(KaxTrackName*)l;
 356
 357             tk->fmt.psz_description = ToUTF8( UTFstring( tname ) );
 358             msg_Dbg( &sys.demuxer, "|   |   |   + Track Name=%s", tk->fmt.psz_description );
 359         }
 360         else  if( MKV_IS_ID( l, KaxTrackLanguage ) )
 361         {
 362             KaxTrackLanguage &lang = *(KaxTrackLanguage*)l;
 363
 364             free( tk->fmt.psz_language );
 365             tk->fmt.psz_language = strdup( string( lang ).c_str() );
 366             msg_Dbg( &sys.demuxer,
 367                      "|   |   |   + Track Language=`%s'", tk->fmt.psz_language );
 368         }
 369         else  if( MKV_IS_ID( l, KaxCodecID ) )
 370         {
 371             KaxCodecID &codecid = *(KaxCodecID*)l;
 372
 373             tk->psz_codec = strdup( string( codecid ).c_str() );
 374             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecId=%s", string( codecid ).c_str() );
 375         }
 376         else  if( MKV_IS_ID( l, KaxCodecPrivate ) )
 377         {
 378             KaxCodecPrivate &cpriv = *(KaxCodecPrivate*)l;
 379
 380             tk->i_extra_data = cpriv.GetSize();
 381             if( tk->i_extra_data > 0 )
 382             {
 383                 tk->p_extra_data = (uint8_t*)malloc( tk->i_extra_data );
 384                 memcpy( tk->p_extra_data, cpriv.GetBuffer(), tk->i_extra_data );
 385             }
 386             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecPrivate size=%"PRId64, cpriv.GetSize() );
 387         }
 388         else if( MKV_IS_ID( l, KaxCodecName ) )
 389         {
 390             KaxCodecName &cname = *(KaxCodecName*)l;
 391
 392             tk->psz_codec_name = ToUTF8( UTFstring( cname ) );
 393             msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Name=%s", tk->psz_codec_name );
 394         }
 395         //AttachmentLink
 396         else if( MKV_IS_ID( l, KaxCodecDecodeAll ) ) // UNUSED
 397         {
 398             KaxCodecDecodeAll &cdall = *(KaxCodecDecodeAll*)l;
 399
 400             msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Decode All=%u", uint8( cdall ) );
 401         }
 402         else if( MKV_IS_ID( l, KaxTrackOverlay ) ) // UNUSED
 403         {
 404             KaxTrackOverlay &tovr = *(KaxTrackOverlay*)l;
 405
 406             msg_Dbg( &sys.demuxer, "|   |   |   + Track Overlay=%u", uint32( tovr ) );
 407         }
 408 #if LIBMATROSKA_VERSION >= 0x010401
 409         else if( MKV_IS_ID( l, KaxCodecDelay ) )
 410         {
 411             KaxCodecDelay &codecdelay = *(KaxCodecDelay*)l;
 412             tk->i_codec_delay = uint64_t( codecdelay ) / 1000;
 413             msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Delay =%"PRIu64,
 414                      tk->i_codec_delay );
 415         }
 416         else if( MKV_IS_ID( l, KaxSeekPreRoll ) )
 417         {
 418             KaxSeekPreRoll &spr = *(KaxSeekPreRoll*)l;
 419             tk->i_seek_preroll = uint64_t(spr) / 1000;
 420             msg_Dbg( &sys.demuxer, "|   |   |   + Track Seek Preroll =%"PRIu64, tk->i_seek_preroll );
 421         }
 422 #endif
 423         else if( MKV_IS_ID( l, KaxContentEncodings ) )
 424         {
 425             EbmlMaster *cencs = static_cast<EbmlMaster*>(l);
 426             MkvTree( sys.demuxer, 3, "Content Encodings" );
 427             if ( cencs->ListSize() > 1 )
 428             {
 429                 msg_Err( &sys.demuxer, "Multiple Compression method not supported" );
 430                 bSupported = false;
 431             }
 432             for( size_t j = 0; j < cencs->ListSize(); j++ )
 433             {
 434                 EbmlElement *l2 = (*cencs)[j];
 435                 if( MKV_IS_ID( l2, KaxContentEncoding ) )
 436                 {
 437                     MkvTree( sys.demuxer, 4, "Content Encoding" );
 438                     EbmlMaster *cenc = static_cast<EbmlMaster*>(l2);
 439                     for( size_t k = 0; k < cenc->ListSize(); k++ )
 440                     {
 441                         EbmlElement *l3 = (*cenc)[k];
 442                         if( MKV_IS_ID( l3, KaxContentEncodingOrder ) )
 443                         {
 444                             KaxContentEncodingOrder &encord = *(KaxContentEncodingOrder*)l3;
 445                             MkvTree( sys.demuxer, 5, "Order: %i", uint32( encord ) );
 446                         }
 447                         else if( MKV_IS_ID( l3, KaxContentEncodingScope ) )
 448                         {
 449                             KaxContentEncodingScope &encscope = *(KaxContentEncodingScope*)l3;
 450                             tk->i_encoding_scope = uint32( encscope );
 451                             MkvTree( sys.demuxer, 5, "Scope: %i", uint32( encscope ) );
 452                         }
 453                         else if( MKV_IS_ID( l3, KaxContentEncodingType ) )
 454                         {
 455                             KaxContentEncodingType &enctype = *(KaxContentEncodingType*)l3;
 456                             MkvTree( sys.demuxer, 5, "Type: %i", uint32( enctype ) );
 457                         }
 458                         else if( MKV_IS_ID( l3, KaxContentCompression ) )
 459                         {
 460                             EbmlMaster *compr = static_cast<EbmlMaster*>(l3);
 461                             MkvTree( sys.demuxer, 5, "Content Compression" );
 462                             //Default compression type is 0 (Zlib)
 463                             tk->i_compression_type = MATROSKA_COMPRESSION_ZLIB;
 464                             for( size_t n = 0; n < compr->ListSize(); n++ )
 465                             {
 466                                 EbmlElement *l4 = (*compr)[n];
 467                                 if( MKV_IS_ID( l4, KaxContentCompAlgo ) )
 468                                 {
 469                                     KaxContentCompAlgo &compalg = *(KaxContentCompAlgo*)l4;
 470                                     MkvTree( sys.demuxer, 6, "Compression Algorithm: %i", uint32(compalg) );
 471                                     tk->i_compression_type = uint32( compalg );
 472                                     if ( ( tk->i_compression_type != MATROSKA_COMPRESSION_ZLIB ) &&
 473                                          ( tk->i_compression_type != MATROSKA_COMPRESSION_HEADER ) )
 474                                     {
 475                                         msg_Err( &sys.demuxer, "Track Compression method %d not supported", tk->i_compression_type );
 476                                         bSupported = false;
 477                                     }
 478                                 }
 479                                 else if( MKV_IS_ID( l4, KaxContentCompSettings ) )
 480                                 {
 481                                     tk->p_compression_data = new KaxContentCompSettings( *(KaxContentCompSettings*)l4 );
 482                                 }
 483                                 else
 484                                 {
 485                                     MkvTree( sys.demuxer, 6, "Unknown (%s)", typeid(*l4).name() );
 486                                 }
 487                             }
 488                         }
 489                         // ContentEncryption Unsupported
 490                         else
 491                         {
 492                             MkvTree( sys.demuxer, 5, "Unknown (%s)", typeid(*l3).name() );
 493                         }
 494                     }
 495                 }
 496                 else
 497                 {
 498                     MkvTree( sys.demuxer, 4, "Unknown (%s)", typeid(*l2).name() );
 499                 }
 500             }
 501         }
 502 //        else if( MKV_IS_ID( l, KaxCodecSettings) ) DEPRECATED by matroska
 503 //        {
 504 //            KaxCodecSettings &cset = *(KaxCodecSettings*)l;
 505
 506 //            tk->psz_codec_settings = ToUTF8( UTFstring( cset ) );
 507 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Settings=%s", tk->psz_codec_settings );
 508 //        }
 509 //        else if( MKV_IS_ID( l, KaxCodecInfoURL) ) DEPRECATED by matroska
 510 //        {
 511 //            KaxCodecInfoURL &ciurl = *(KaxCodecInfoURL*)l;
 512
 513 //            tk->psz_codec_info_url = strdup( string( ciurl ).c_str() );
 514 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_info_url );
 515 //        }
 516 //        else if( MKV_IS_ID( l, KaxCodecDownloadURL) ) DEPRECATED by matroska
 517 //        {
 518 //            KaxCodecDownloadURL &cdurl = *(KaxCodecDownloadURL*)l;
 519
 520 //            tk->psz_codec_download_url = strdup( string( cdurl ).c_str() );
 521 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_download_url );
 522 //        }
 523         else  if( MKV_IS_ID( l, KaxTrackVideo ) )
 524         {
 525             EbmlMaster *tkv = static_cast<EbmlMaster*>(l);
 526             unsigned int i_crop_right = 0, i_crop_left = 0, i_crop_top = 0, i_crop_bottom = 0;
 527             unsigned int i_display_unit = 0, i_display_width = 0, i_display_height = 0;
 528
 529             msg_Dbg( &sys.demuxer, "|   |   |   + Track Video" );
 530             tk->f_fps = 0.0;
 531
 532             tk->fmt.video.i_frame_rate_base = (unsigned int)(tk->i_default_duration / 1000);
 533             tk->fmt.video.i_frame_rate = 1000000;
 534
 535             for( unsigned int j = 0; j < tkv->ListSize(); j++ )
 536             {
 537                 EbmlElement *l = (*tkv)[j];
 538                 if( MKV_IS_ID( l, KaxVideoFlagInterlaced ) ) // UNUSED
 539                 {
 540                     KaxVideoFlagInterlaced &fint = *(KaxVideoFlagInterlaced*)l;
 541
 542                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Interlaced=%u", uint8( fint ) );
 543                 }
 544                 else if( MKV_IS_ID( l, KaxVideoStereoMode ) ) // UNUSED
 545                 {
 546                     KaxVideoStereoMode &stereo = *(KaxVideoStereoMode*)l;
 547
 548                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Stereo Mode=%u", uint8( stereo ) );
 549                 }
 550                 else if( MKV_IS_ID( l, KaxVideoPixelWidth ) )
 551                 {
 552                     KaxVideoPixelWidth &vwidth = *(KaxVideoPixelWidth*)l;
 553
 554                     tk->fmt.video.i_width += uint16( vwidth );
 555                     msg_Dbg( &sys.demuxer, "|   |   |   |   + width=%d", uint16( vwidth ) );
 556                 }
 557                 else if( MKV_IS_ID( l, KaxVideoPixelHeight ) )
 558                 {
 559                     KaxVideoPixelWidth &vheight = *(KaxVideoPixelWidth*)l;
 560
 561                     tk->fmt.video.i_height += uint16( vheight );
 562                     msg_Dbg( &sys.demuxer, "|   |   |   |   + height=%d", uint16( vheight ) );
 563                 }
 564                 else if( MKV_IS_ID( l, KaxVideoDisplayWidth ) )
 565                 {
 566                     KaxVideoDisplayWidth &vwidth = *(KaxVideoDisplayWidth*)l;
 567
 568                     i_display_width = uint16( vwidth );
 569                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display width=%d", uint16( vwidth ) );
 570                 }
 571                 else if( MKV_IS_ID( l, KaxVideoDisplayHeight ) )
 572                 {
 573                     KaxVideoDisplayWidth &vheight = *(KaxVideoDisplayWidth*)l;
 574
 575                     i_display_height = uint16( vheight );
 576                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display height=%d", uint16( vheight ) );
 577                 }
 578                 else if( MKV_IS_ID( l, KaxVideoPixelCropBottom ) )
 579                 {
 580                     KaxVideoPixelCropBottom &cropval = *(KaxVideoPixelCropBottom*)l;
 581
 582                     i_crop_bottom = uint16( cropval );
 583                     msg_Dbg( &sys.demuxer, "|   |   |   |   + crop pixel bottom=%d", uint16( cropval ) );
 584                 }
 585                 else if( MKV_IS_ID( l, KaxVideoPixelCropTop ) )
 586                 {
 587                     KaxVideoPixelCropTop &cropval = *(KaxVideoPixelCropTop*)l;
 588
 589                     i_crop_top = uint16( cropval );
 590                     msg_Dbg( &sys.demuxer, "|   |   |   |   + crop pixel top=%d", uint16( cropval ) );
 591                 }
 592                 else if( MKV_IS_ID( l, KaxVideoPixelCropRight ) )
 593                 {
 594                     KaxVideoPixelCropRight &cropval = *(KaxVideoPixelCropRight*)l;
 595
 596                     i_crop_right = uint16( cropval );
 597                     msg_Dbg( &sys.demuxer, "|   |   |   |   + crop pixel right=%d", uint16( cropval ) );
 598                 }
 599                 else if( MKV_IS_ID( l, KaxVideoPixelCropLeft ) )
 600                 {
 601                     KaxVideoPixelCropLeft &cropval = *(KaxVideoPixelCropLeft*)l;
 602
 603                     i_crop_left = uint16( cropval );
 604                     msg_Dbg( &sys.demuxer, "|   |   |   |   + crop pixel left=%d", uint16( cropval ) );
 605                 }
 606                 else if( MKV_IS_ID( l, KaxVideoDisplayUnit ) )
 607                 {
 608                     KaxVideoDisplayUnit &vdmode = *(KaxVideoDisplayUnit*)l;
 609
 610                     i_display_unit = uint8( vdmode );
 611                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Display Unit=%s",
 612                              i_display_unit == 0 ? "pixels" : ( i_display_unit == 1 ? "centimeters": "inches" ) );
 613                 }
 614                 else if( MKV_IS_ID( l, KaxVideoAspectRatio ) ) // UNUSED
 615                 {
 616                     KaxVideoAspectRatio &ratio = *(KaxVideoAspectRatio*)l;
 617
 618                     msg_Dbg( &sys.demuxer, "   |   |   |   + Track Video Aspect Ratio Type=%u", uint8( ratio ) );
 619                 }
 620                 // ColourSpace UNUSED
 621                 else if( MKV_IS_ID( l, KaxVideoFrameRate ) )
 622                 {
 623                     KaxVideoFrameRate &vfps = *(KaxVideoFrameRate*)l;
 624
 625                     tk->f_fps = float( vfps );
 626                     msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( vfps ) );
 627                 }
 628 //                else if( MKV_IS_ID( l, KaxVideoGamma) ) //DEPRECATED by Matroska
 629 //                {
 630 //                    KaxVideoGamma &gamma = *(KaxVideoGamma*)l;
 631
 632 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + gamma=%f", float( gamma ) );
 633 //                }
 634                 else
 635                 {
 636                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
 637                 }
 638             }
 639             if( i_display_height && i_display_width )
 640             {
 641                 tk->fmt.video.i_sar_num = i_display_width  * tk->fmt.video.i_height;
 642                 tk->fmt.video.i_sar_den = i_display_height * tk->fmt.video.i_width;
 643             }
 644             if( i_crop_left || i_crop_right || i_crop_top || i_crop_bottom )
 645             {
 646                 tk->fmt.video.i_visible_width   = tk->fmt.video.i_width;
 647                 tk->fmt.video.i_visible_height  = tk->fmt.video.i_height;
 648                 tk->fmt.video.i_x_offset        = i_crop_left;
 649                 tk->fmt.video.i_y_offset        = i_crop_top;
 650                 tk->fmt.video.i_visible_width  -= i_crop_left + i_crop_right;
 651                 tk->fmt.video.i_visible_height -= i_crop_top + i_crop_bottom;
 652             }
 653             /* FIXME: i_display_* allows you to not only set DAR, but also a zoom factor.
 654                we do not support this atm */
 655         }
 656         else  if( MKV_IS_ID( l, KaxTrackAudio ) )
 657         {
 658             EbmlMaster *tka = static_cast<EbmlMaster*>(l);
 659
 660             /* Initialize default values */
 661             tk->fmt.audio.i_channels = 1;
 662             tk->fmt.audio.i_rate = 8000;
 663
 664             msg_Dbg( &sys.demuxer, "|   |   |   + Track Audio" );
 665
 666             for( unsigned int j = 0; j < tka->ListSize(); j++ )
 667             {
 668                 EbmlElement *l = (*tka)[j];
 669
 670                 if( MKV_IS_ID( l, KaxAudioSamplingFreq ) )
 671                 {
 672                     KaxAudioSamplingFreq &afreq = *(KaxAudioSamplingFreq*)l;
 673
 674                     tk->i_original_rate = tk->fmt.audio.i_rate = (int)float( afreq );
 675                     msg_Dbg( &sys.demuxer, "|   |   |   |   + afreq=%d", tk->fmt.audio.i_rate );
 676                 }
 677                 else if( MKV_IS_ID( l, KaxAudioOutputSamplingFreq ) )
 678                 {
 679                     KaxAudioOutputSamplingFreq &afreq = *(KaxAudioOutputSamplingFreq*)l;
 680
 681                     tk->fmt.audio.i_rate = (int)float( afreq );
 682                     msg_Dbg( &sys.demuxer, "|   |   |   |   + aoutfreq=%d", tk->fmt.audio.i_rate );
 683                 }
 684                 else if( MKV_IS_ID( l, KaxAudioChannels ) )
 685                 {
 686                     KaxAudioChannels &achan = *(KaxAudioChannels*)l;
 687
 688                     tk->fmt.audio.i_channels = uint8( achan );
 689                     msg_Dbg( &sys.demuxer, "|   |   |   |   + achan=%u", uint8( achan ) );
 690                 }
 691                 else if( MKV_IS_ID( l, KaxAudioBitDepth ) )
 692                 {
 693                     KaxAudioBitDepth &abits = *(KaxAudioBitDepth*)l;
 694
 695                     tk->fmt.audio.i_bitspersample = uint8( abits );
 696                     msg_Dbg( &sys.demuxer, "|   |   |   |   + abits=%u", uint8( abits ) );
 697                 }
 698                 else
 699                 {
 700                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
 701                 }
 702             }
 703         }
 704         else
 705         {
 706             msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)",
 707                      typeid(*l).name() );
 708         }
 709     }
 710
 711     if ( bSupported )
 712     {
 713 #ifdef HAVE_ZLIB_H
 714         if( tk->i_compression_type == MATROSKA_COMPRESSION_ZLIB &&
 715             tk->i_encoding_scope & MATROSKA_ENCODING_SCOPE_PRIVATE &&
 716             tk->i_extra_data && tk->p_extra_data &&
 717             zlib_decompress_extra( &sys.demuxer, tk) )
 718             return;
 719 #endif
 720         if( TrackInit( tk ) )
 721         {
 722             msg_Err(&sys.demuxer, "Couldn't init track %d", tk->i_number );
 723             free(tk->p_extra_data);
 724             delete tk;
 725             return;
 726         }
 727
 728         tracks.push_back( tk );
 729     }
 730     else
 731     {
 732         msg_Err( &sys.demuxer, "Track Entry %d not supported", tk->i_number );
 733         free(tk->p_extra_data);
 734         delete tk;
 735     }
 736 }
 737
 738 /*****************************************************************************
 739  * ParseTracks:
 740  *****************************************************************************/
 741 void matroska_segment_c::ParseTracks( KaxTracks *tracks )
 742 {
 743     EbmlElement *el;
 744     int i_upper_level = 0;
 745
 746     /* Master elements */
 747     if( unlikely( tracks->GetSize() >= SIZE_MAX ) )
 748     {
 749         msg_Err( &sys.demuxer, "Track too big, aborting" );
 750         return;
 751     }
 752     try
 753     {
 754         tracks->Read( es, EBML_CONTEXT(tracks), i_upper_level, el, true );
 755     }
 756     catch(...)
 757     {
 758         msg_Err( &sys.demuxer, "Couldn't read tracks" );
 759         return;
 760     }
 761
 762     for( size_t i = 0; i < tracks->ListSize(); i++ )
 763     {
 764         EbmlElement *l = (*tracks)[i];
 765
 766         if( MKV_IS_ID( l, KaxTrackEntry ) )
 767         {
 768             ParseTrackEntry( static_cast<KaxTrackEntry *>(l) );
 769         }
 770         else
 771         {
 772             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
 773         }
 774     }
 775 }
 776
 777 /*****************************************************************************
 778  * ParseInfo:
 779  *****************************************************************************/
 780 void matroska_segment_c::ParseInfo( KaxInfo *info )
 781 {
 782     EbmlElement *el;
 783     EbmlMaster  *m;
 784     int i_upper_level = 0;
 785
 786     /* Master elements */
 787     m = static_cast<EbmlMaster *>(info);
 788     if( unlikely( m->GetSize() >= SIZE_MAX ) )
 789     {
 790         msg_Err( &sys.demuxer, "Info too big, aborting" );
 791         return;
 792     }
 793     try
 794     {
 795         m->Read( es, EBML_CONTEXT(info), i_upper_level, el, true );
 796     }
 797     catch(...)
 798     {
 799         msg_Err( &sys.demuxer, "Couldn't read info" );
 800         return;
 801     }
 802
 803     for( size_t i = 0; i < m->ListSize(); i++ )
 804     {
 805         EbmlElement *l = (*m)[i];
 806
 807         if( MKV_IS_ID( l, KaxSegmentUID ) )
 808         {
 809             if ( p_segment_uid == NULL )
 810                 p_segment_uid = new KaxSegmentUID(*static_cast<KaxSegmentUID*>(l));
 811
 812             msg_Dbg( &sys.demuxer, "|   |   + UID=%d", *(uint32*)p_segment_uid->GetBuffer() );
 813         }
 814         else if( MKV_IS_ID( l, KaxPrevUID ) )
 815         {
 816             if ( p_prev_segment_uid == NULL )
 817             {
 818                 p_prev_segment_uid = new KaxPrevUID(*static_cast<KaxPrevUID*>(l));
 819                 b_ref_external_segments = true;
 820             }
 821
 822             msg_Dbg( &sys.demuxer, "|   |   + PrevUID=%d", *(uint32*)p_prev_segment_uid->GetBuffer() );
 823         }
 824         else if( MKV_IS_ID( l, KaxNextUID ) )
 825         {
 826             if ( p_next_segment_uid == NULL )
 827             {
 828                 p_next_segment_uid = new KaxNextUID(*static_cast<KaxNextUID*>(l));
 829                 b_ref_external_segments = true;
 830             }
 831
 832             msg_Dbg( &sys.demuxer, "|   |   + NextUID=%d", *(uint32*)p_next_segment_uid->GetBuffer() );
 833         }
 834         else if( MKV_IS_ID( l, KaxTimecodeScale ) )
 835         {
 836             KaxTimecodeScale &tcs = *(KaxTimecodeScale*)l;
 837
 838             i_timescale = uint64(tcs);
 839
 840             msg_Dbg( &sys.demuxer, "|   |   + TimecodeScale=%"PRId64,
 841                      i_timescale );
 842         }
 843         else if( MKV_IS_ID( l, KaxDuration ) )
 844         {
 845             KaxDuration &dur = *(KaxDuration*)l;
 846
 847             i_duration = mtime_t( double( dur ) );
 848
 849             msg_Dbg( &sys.demuxer, "|   |   + Duration=%"PRId64,
 850                      i_duration );
 851         }
 852         else if( MKV_IS_ID( l, KaxMuxingApp ) )
 853         {
 854             KaxMuxingApp &mapp = *(KaxMuxingApp*)l;
 855
 856             psz_muxing_application = ToUTF8( UTFstring( mapp ) );
 857
 858             msg_Dbg( &sys.demuxer, "|   |   + Muxing Application=%s",
 859                      psz_muxing_application );
 860         }
 861         else if( MKV_IS_ID( l, KaxWritingApp ) )
 862         {
 863             KaxWritingApp &wapp = *(KaxWritingApp*)l;
 864
 865             psz_writing_application = ToUTF8( UTFstring( wapp ) );
 866
 867             msg_Dbg( &sys.demuxer, "|   |   + Writing Application=%s",
 868                      psz_writing_application );
 869         }
 870         else if( MKV_IS_ID( l, KaxSegmentFilename ) )
 871         {
 872             KaxSegmentFilename &sfn = *(KaxSegmentFilename*)l;
 873
 874             psz_segment_filename = ToUTF8( UTFstring( sfn ) );
 875
 876             msg_Dbg( &sys.demuxer, "|   |   + Segment Filename=%s",
 877                      psz_segment_filename );
 878         }
 879         else if( MKV_IS_ID( l, KaxTitle ) )
 880         {
 881             KaxTitle &title = *(KaxTitle*)l;
 882
 883             psz_title = ToUTF8( UTFstring( title ) );
 884
 885             msg_Dbg( &sys.demuxer, "|   |   + Title=%s", psz_title );
 886         }
 887         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
 888         {
 889             KaxSegmentFamily *uid = static_cast<KaxSegmentFamily*>(l);
 890
 891             families.push_back( new KaxSegmentFamily(*uid) );
 892
 893             msg_Dbg( &sys.demuxer, "|   |   + family=%d", *(uint32*)uid->GetBuffer() );
 894         }
 895         else if( MKV_IS_ID( l, KaxDateUTC ) )
 896         {
 897             KaxDateUTC &date = *(KaxDateUTC*)l;
 898             time_t i_date;
 899             struct tm tmres;
 900             char   buffer[25];
 901
 902             i_date = date.GetEpochDate();
 903             if( gmtime_r( &i_date, &tmres ) &&
 904                 strftime( buffer, sizeof(buffer), "%a %b %d %H:%M:%S %Y",
 905                           &tmres ) )
 906             {
 907                 psz_date_utc = strdup( buffer );
 908                 msg_Dbg( &sys.demuxer, "|   |   + Date=%s", buffer );
 909             }
 910         }
 911         else if( MKV_IS_ID( l, KaxChapterTranslate ) )
 912         {
 913             KaxChapterTranslate *p_trans = static_cast<KaxChapterTranslate*>( l );
 914             try
 915             {
 916                 if( unlikely( p_trans->GetSize() >= SIZE_MAX ) )
 917                 {
 918                     msg_Err( &sys.demuxer, "Chapter translate too big, aborting" );
 919                     continue;
 920                 }
 921
 922                 p_trans->Read( es, EBML_CONTEXT(p_trans), i_upper_level, el, true );
 923                 chapter_translation_c *p_translate = new chapter_translation_c();
 924
 925                 for( size_t j = 0; j < p_trans->ListSize(); j++ )
 926                 {
 927                     EbmlElement *l = (*p_trans)[j];
 928
 929                     if( MKV_IS_ID( l, KaxChapterTranslateEditionUID ) )
 930                     {
 931                         p_translate->editions.push_back( uint64( *static_cast<KaxChapterTranslateEditionUID*>( l ) ) );
 932                     }
 933                     else if( MKV_IS_ID( l, KaxChapterTranslateCodec ) )
 934                     {
 935                         p_translate->codec_id = uint32( *static_cast<KaxChapterTranslateCodec*>( l ) );
 936                     }
 937                     else if( MKV_IS_ID( l, KaxChapterTranslateID ) )
 938                     {
 939                         p_translate->p_translated = new KaxChapterTranslateID( *static_cast<KaxChapterTranslateID*>( l ) );
 940                     }
 941                 }
 942
 943                 translations.push_back( p_translate );
 944             }
 945             catch(...)
 946             {
 947                 msg_Err( &sys.demuxer, "Error while reading Chapter Tranlate");
 948             }
 949         }
 950         else
 951         {
 952             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
 953         }
 954     }
 955
 956     double f_dur = double(i_duration) * double(i_timescale) / 1000000.0;
 957     i_duration = mtime_t(f_dur);
 958     if( !i_duration ) i_duration = -1;
 959 }
 960
 961
 962 /*****************************************************************************
 963  * ParseChapterAtom
 964  *****************************************************************************/
 965 void matroska_segment_c::ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters )
 966 {
 967     msg_Dbg( &sys.demuxer, "|   |   |   + ChapterAtom (level=%d)", i_level );
 968     for( size_t i = 0; i < ca->ListSize(); i++ )
 969     {
 970         EbmlElement *l = (*ca)[i];
 971
 972         if( MKV_IS_ID( l, KaxChapterUID ) )
 973         {
 974             chapters.i_uid = uint64_t(*(KaxChapterUID*)l);
 975             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterUID: %"PRIu64"", chapters.i_uid );
 976         }
 977         else if( MKV_IS_ID( l, KaxChapterFlagHidden ) )
 978         {
 979             KaxChapterFlagHidden &flag =*(KaxChapterFlagHidden*)l;
 980             chapters.b_display_seekpoint = uint8( flag ) == 0;
 981
 982             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterFlagHidden: %s", chapters.b_display_seekpoint ? "no":"yes" );
 983         }
 984         else if( MKV_IS_ID( l, KaxChapterSegmentUID ) )
 985         {
 986             chapters.p_segment_uid = new KaxChapterSegmentUID( *static_cast<KaxChapterSegmentUID*>(l) );
 987             b_ref_external_segments = true;
 988             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterSegmentUID= %u", *(uint32*)chapters.p_segment_uid->GetBuffer() );
 989         }
 990         else if( MKV_IS_ID( l, KaxChapterSegmentEditionUID ) )
 991         {
 992             chapters.p_segment_edition_uid = new KaxChapterSegmentEditionUID( *static_cast<KaxChapterSegmentEditionUID*>(l) );
 993             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterSegmentEditionUID= %u",
 994 #if LIBMATROSKA_VERSION < 0x010300
 995                      *(uint32*)chapters.p_segment_edition_uid->GetBuffer()
 996 #else
 997                      *(uint32*)chapters.p_segment_edition_uid
 998 #endif
 999                    );
1000         }
1001         else if( MKV_IS_ID( l, KaxChapterTimeStart ) )
1002         {
1003             KaxChapterTimeStart &start =*(KaxChapterTimeStart*)l;
1004             chapters.i_start_time = uint64( start ) / INT64_C(1000);
1005
1006             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeStart: %"PRId64"", chapters.i_start_time );
1007         }
1008         else if( MKV_IS_ID( l, KaxChapterTimeEnd ) )
1009         {
1010             KaxChapterTimeEnd &end =*(KaxChapterTimeEnd*)l;
1011             chapters.i_end_time = uint64( end ) / INT64_C(1000);
1012
1013             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeEnd: %"PRId64"", chapters.i_end_time );
1014         }
1015         else if( MKV_IS_ID( l, KaxChapterDisplay ) )
1016         {
1017             EbmlMaster *cd = static_cast<EbmlMaster *>(l);
1018
1019             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterDisplay" );
1020             for( size_t j = 0; j < cd->ListSize(); j++ )
1021             {
1022                 EbmlElement *l= (*cd)[j];
1023
1024                 if( MKV_IS_ID( l, KaxChapterString ) )
1025                 {
1026                     KaxChapterString &name =*(KaxChapterString*)l;
1027                     for ( int k = 0; k < i_level; k++)
1028                         chapters.psz_name += '+';
1029                     chapters.psz_name += ' ';
1030                     char *psz_tmp_utf8 = ToUTF8( UTFstring( name ) );
1031                     chapters.psz_name += psz_tmp_utf8;
1032                     chapters.b_user_display = true;
1033
1034                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterString '%s'", psz_tmp_utf8 );
1035                     free( psz_tmp_utf8 );
1036                 }
1037                 else if( MKV_IS_ID( l, KaxChapterLanguage ) )
1038                 {
1039                     KaxChapterLanguage &lang =*(KaxChapterLanguage*)l;
1040                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterLanguage '%s'",
1041                              string( lang ).c_str() );
1042                 }
1043                 else if( MKV_IS_ID( l, KaxChapterCountry ) )
1044                 {
1045                     KaxChapterCountry &ct =*(KaxChapterCountry*)l;
1046                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterCountry '%s'",
1047                              string( ct ).c_str() );
1048                 }
1049             }
1050         }
1051         else if( MKV_IS_ID( l, KaxChapterProcess ) )
1052         {
1053             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterProcess" );
1054
1055             KaxChapterProcess *cp = static_cast<KaxChapterProcess *>(l);
1056             chapter_codec_cmds_c *p_ccodec = NULL;
1057
1058             for( size_t j = 0; j < cp->ListSize(); j++ )
1059             {
1060                 EbmlElement *k= (*cp)[j];
1061
1062                 if( MKV_IS_ID( k, KaxChapterProcessCodecID ) )
1063                 {
1064                     KaxChapterProcessCodecID *p_codec_id = static_cast<KaxChapterProcessCodecID*>( k );
1065                     if ( uint32(*p_codec_id) == 0 )
1066                         p_ccodec = new matroska_script_codec_c( sys );
1067                     else if ( uint32(*p_codec_id) == 1 )
1068                         p_ccodec = new dvd_chapter_codec_c( sys );
1069                     break;
1070                 }
1071             }
1072
1073             if ( p_ccodec != NULL )
1074             {
1075                 for( size_t j = 0; j < cp->ListSize(); j++ )
1076                 {
1077                     EbmlElement *k= (*cp)[j];
1078
1079                     if( MKV_IS_ID( k, KaxChapterProcessPrivate ) )
1080                     {
1081                         KaxChapterProcessPrivate * p_private = static_cast<KaxChapterProcessPrivate*>( k );
1082                         p_ccodec->SetPrivate( *p_private );
1083                     }
1084                     else if( MKV_IS_ID( k, KaxChapterProcessCommand ) )
1085                     {
1086                         p_ccodec->AddCommand( *static_cast<KaxChapterProcessCommand*>( k ) );
1087                     }
1088                 }
1089                 chapters.codecs.push_back( p_ccodec );
1090             }
1091         }
1092         else if( MKV_IS_ID( l, KaxChapterAtom ) )
1093         {
1094             chapter_item_c *new_sub_chapter = new chapter_item_c();
1095             ParseChapterAtom( i_level+1, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
1096             new_sub_chapter->p_parent = &chapters;
1097             chapters.sub_chapters.push_back( new_sub_chapter );
1098         }
1099     }
1100 }
1101
1102 /*****************************************************************************
1103  * ParseAttachments:
1104  *****************************************************************************/
1105 void matroska_segment_c::ParseAttachments( KaxAttachments *attachments )
1106 {
1107     EbmlElement *el;
1108     int i_upper_level = 0;
1109
1110     if( unlikely( attachments->GetSize() >= SIZE_MAX ) )
1111     {
1112         msg_Err( &sys.demuxer, "Attachments too big, aborting" );
1113         return;
1114     }
1115     try
1116     {
1117         attachments->Read( es, EBML_CONTEXT(attachments), i_upper_level, el, true );
1118     }
1119     catch(...)
1120     {
1121         msg_Err( &sys.demuxer, "Error while reading attachments" );
1122         return;
1123     }
1124
1125     KaxAttached *attachedFile = FindChild<KaxAttached>( *attachments );
1126
1127     while( attachedFile && ( attachedFile->GetSize() > 0 ) )
1128     {
1129         KaxFileData  &img_data     = GetChild<KaxFileData>( *attachedFile );
1130         char *psz_tmp_utf8 =  ToUTF8( UTFstring( GetChild<KaxFileName>( *attachedFile ) ) );
1131         std::string attached_filename(psz_tmp_utf8);
1132         free(psz_tmp_utf8);
1133         attachment_c *new_attachment = new attachment_c( attached_filename,
1134                                                          GetChild<KaxMimeType>( *attachedFile ),
1135                                                          img_data.GetSize() );
1136
1137         msg_Dbg( &sys.demuxer, "|   |   - %s (%s)", new_attachment->fileName(), new_attachment->mimeType() );
1138
1139         if( new_attachment->init() )
1140         {
1141             memcpy( new_attachment->p_data, img_data.GetBuffer(), img_data.GetSize() );
1142             sys.stored_attachments.push_back( new_attachment );
1143             if( !strncmp( new_attachment->mimeType(), "image/", 6 ) )
1144             {
1145                 char *psz_url;
1146                 if( asprintf( &psz_url, "attachment://%s",
1147                               new_attachment->fileName() ) == -1 )
1148                     continue;
1149                 if( !sys.meta )
1150                     sys.meta = vlc_meta_New();
1151                 vlc_meta_SetArtURL( sys.meta, psz_url );
1152                 free( psz_url );
1153             }
1154         }
1155         else
1156         {
1157             delete new_attachment;
1158         }
1159
1160         attachedFile = &GetNextChild<KaxAttached>( *attachments, *attachedFile );
1161     }
1162 }
1163
1164 /*****************************************************************************
1165  * ParseChapters:
1166  *****************************************************************************/
1167 void matroska_segment_c::ParseChapters( KaxChapters *chapters )
1168 {
1169     EbmlElement *el;
1170     int i_upper_level = 0;
1171
1172     /* Master elements */
1173     if( unlikely( chapters->GetSize() >= SIZE_MAX ) )
1174     {
1175         msg_Err( &sys.demuxer, "Chapters too big, aborting" );
1176         return;
1177     }
1178     try
1179     {
1180         chapters->Read( es, EBML_CONTEXT(chapters), i_upper_level, el, true );
1181     }
1182     catch(...)
1183     {
1184         msg_Err( &sys.demuxer, "Error while reading chapters" );
1185         return;
1186     }
1187
1188     for( size_t i = 0; i < chapters->ListSize(); i++ )
1189     {
1190         EbmlElement *l = (*chapters)[i];
1191
1192         if( MKV_IS_ID( l, KaxEditionEntry ) )
1193         {
1194             chapter_edition_c *p_edition = new chapter_edition_c();
1195
1196             EbmlMaster *E = static_cast<EbmlMaster *>(l );
1197             msg_Dbg( &sys.demuxer, "|   |   + EditionEntry" );
1198             for( size_t j = 0; j < E->ListSize(); j++ )
1199             {
1200                 EbmlElement *l = (*E)[j];
1201
1202                 if( MKV_IS_ID( l, KaxChapterAtom ) )
1203                 {
1204                     chapter_item_c *new_sub_chapter = new chapter_item_c();
1205                     ParseChapterAtom( 0, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
1206                     p_edition->sub_chapters.push_back( new_sub_chapter );
1207                 }
1208                 else if( MKV_IS_ID( l, KaxEditionUID ) )
1209                 {
1210                     p_edition->i_uid = uint64(*static_cast<KaxEditionUID *>( l ));
1211                 }
1212                 else if( MKV_IS_ID( l, KaxEditionFlagOrdered ) )
1213                 {
1214                     p_edition->b_ordered = var_InheritBool( &sys.demuxer, "mkv-use-ordered-chapters" ) ? (uint8(*static_cast<KaxEditionFlagOrdered *>( l )) != 0) : 0;
1215                 }
1216                 else if( MKV_IS_ID( l, KaxEditionFlagDefault ) )
1217                 {
1218                     if (uint8(*static_cast<KaxEditionFlagDefault *>( l )) != 0)
1219                         i_default_edition = stored_editions.size();
1220                 }
1221                 else if( MKV_IS_ID( l, KaxEditionFlagHidden ) )
1222                 {
1223                     // FIXME to implement
1224                 }
1225                 else
1226                 {
1227                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
1228                 }
1229             }
1230             stored_editions.push_back( p_edition );
1231         }
1232         else
1233         {
1234             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
1235         }
1236     }
1237 }
1238
1239 void matroska_segment_c::ParseCluster( bool b_update_start_time )
1240 {
1241     EbmlElement *el;
1242     EbmlMaster  *m;
1243     int i_upper_level = 0;
1244
1245     /* Master elements */
1246     m = static_cast<EbmlMaster *>( cluster );
1247     if( unlikely( m->GetSize() >= SIZE_MAX ) )
1248     {
1249         msg_Err( &sys.demuxer, "Cluster too big, aborting" );
1250         return;
1251     }
1252     try
1253     {
1254         m->Read( es, EBML_CONTEXT(cluster), i_upper_level, el, true );
1255     }
1256     catch(...)
1257     {
1258         msg_Err( &sys.demuxer, "Error while reading cluster" );
1259         return;
1260     }
1261
1262     for( unsigned int i = 0; i < m->ListSize(); i++ )
1263     {
1264         EbmlElement *l = (*m)[i];
1265
1266         if( MKV_IS_ID( l, KaxClusterTimecode ) )
1267         {
1268             KaxClusterTimecode &ctc = *(KaxClusterTimecode*)l;
1269
1270             cluster->InitTimecode( uint64( ctc ), i_timescale );
1271             break;
1272         }
1273     }
1274
1275     if( b_update_start_time )
1276         i_start_time = cluster->GlobalTimecode() / 1000;
1277 }
1278
1279
1280 int32_t matroska_segment_c::TrackInit( mkv_track_t * p_tk )
1281 {
1282     es_format_t *p_fmt = &p_tk->fmt;
1283
1284     if( p_tk->psz_codec == NULL )
1285     {
1286         msg_Err( &sys.demuxer, "Empty codec id" );
1287         p_tk->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
1288         return 0;
1289     }
1290
1291     if( !strcmp( p_tk->psz_codec, "V_MS/VFW/FOURCC" ) )
1292     {
1293         if( p_tk->i_extra_data < (int)sizeof( VLC_BITMAPINFOHEADER ) )
1294         {
1295             msg_Err( &sys.demuxer, "missing/invalid VLC_BITMAPINFOHEADER" );
1296             p_tk->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
1297         }
1298         else
1299         {
1300             VLC_BITMAPINFOHEADER *p_bih = (VLC_BITMAPINFOHEADER*)p_tk->p_extra_data;
1301
1302             p_tk->fmt.video.i_width = GetDWLE( &p_bih->biWidth );
1303             p_tk->fmt.video.i_height= GetDWLE( &p_bih->biHeight );
1304             p_tk->fmt.i_codec       = GetFOURCC( &p_bih->biCompression );
1305
1306             p_tk->fmt.i_extra       = GetDWLE( &p_bih->biSize ) - sizeof( VLC_BITMAPINFOHEADER );
1307             if( p_tk->fmt.i_extra > 0 )
1308             {
1309                 /* Very unlikely yet possible: bug #5659*/
1310                 size_t maxlen = p_tk->i_extra_data - sizeof( VLC_BITMAPINFOHEADER );
1311                 p_tk->fmt.i_extra = ( (unsigned)p_tk->fmt.i_extra < maxlen )?
1312                     p_tk->fmt.i_extra : maxlen;
1313
1314                 p_tk->fmt.p_extra = xmalloc( p_tk->fmt.i_extra );
1315                 memcpy( p_tk->fmt.p_extra, &p_bih[1], p_tk->fmt.i_extra );
1316             }
1317         }
1318         p_tk->b_dts_only = true;
1319     }
1320     else if( !strcmp( p_tk->psz_codec, "V_MPEG1" ) ||
1321              !strcmp( p_tk->psz_codec, "V_MPEG2" ) )
1322     {
1323         p_tk->fmt.i_codec = VLC_CODEC_MPGV;
1324         if( p_tk->i_extra_data )
1325             fill_extra_data( p_tk, 0 );
1326     }
1327     else if( !strncmp( p_tk->psz_codec, "V_THEORA", 8 ) )
1328     {
1329         p_tk->fmt.i_codec = VLC_CODEC_THEORA;
1330         fill_extra_data( p_tk, 0 );
1331         p_tk->b_pts_only = true;
1332     }
1333     else if( !strncmp( p_tk->psz_codec, "V_REAL/RV", 9 ) )
1334     {
1335         uint8_t *p = p_tk->p_extra_data;
1336
1337         if( !strcmp( p_tk->psz_codec, "V_REAL/RV10" ) )
1338             p_fmt->i_codec = VLC_CODEC_RV10;
1339         else if( !strcmp( p_tk->psz_codec, "V_REAL/RV20" ) )
1340             p_fmt->i_codec = VLC_CODEC_RV20;
1341         else if( !strcmp( p_tk->psz_codec, "V_REAL/RV30" ) )
1342             p_fmt->i_codec = VLC_CODEC_RV30;
1343         else if( !strcmp( p_tk->psz_codec, "V_REAL/RV40" ) )
1344             p_fmt->i_codec = VLC_CODEC_RV40;
1345
1346         /* Extract the framerate from the header */
1347         if( p_tk->i_extra_data >= 26 &&
1348             p[4] == 'V' && p[5] == 'I' && p[6] == 'D' && p[7] == 'O' &&
1349             p[8] == 'R' && p[9] == 'V' &&
1350             (p[10] == '3' || p[10] == '4') && p[11] == '0' )
1351         {
1352             p_tk->fmt.video.i_frame_rate =
1353                 p[22] << 24 | p[23] << 16 | p[24] << 8 | p[25] << 0;
1354             p_tk->fmt.video.i_frame_rate_base = 65536;
1355         }
1356
1357         fill_extra_data( p_tk, 26 );
1358         p_tk->b_dts_only = true;
1359     }
1360     else if( !strncmp( p_tk->psz_codec, "V_DIRAC", 7 ) )
1361     {
1362         p_tk->fmt.i_codec = VLC_CODEC_DIRAC;
1363     }
1364     else if( !strncmp( p_tk->psz_codec, "V_VP8", 5 ) )
1365     {
1366         p_tk->fmt.i_codec = VLC_CODEC_VP8;
1367         p_tk->b_pts_only = true;
1368     }
1369     else if( !strncmp( p_tk->psz_codec, "V_VP9", 5 ) )
1370     {
1371         p_tk->fmt.i_codec = VLC_CODEC_VP9;
1372         fill_extra_data( p_tk, 0 );
1373     }
1374     else if( !strncmp( p_tk->psz_codec, "V_MPEG4", 7 ) )
1375     {
1376         if( !strcmp( p_tk->psz_codec, "V_MPEG4/MS/V3" ) )
1377         {
1378             p_tk->fmt.i_codec = VLC_CODEC_DIV3;
1379         }
1380         else if( !strncmp( p_tk->psz_codec, "V_MPEG4/ISO", 11 ) )
1381         {
1382             /* A MPEG 4 codec, SP, ASP, AP or AVC */
1383             if( !strcmp( p_tk->psz_codec, "V_MPEG4/ISO/AVC" ) )
1384                 p_tk->fmt.i_codec = VLC_FOURCC( 'a', 'v', 'c', '1' );
1385             else
1386                 p_tk->fmt.i_codec = VLC_CODEC_MP4V;
1387             fill_extra_data( p_tk, 0 );
1388         }
1389     }
1390     else if( !strncmp( p_tk->psz_codec, "V_MPEGH/ISO/HEVC", 16) )
1391     {
1392         p_tk->fmt.i_codec = VLC_CODEC_HEVC;
1393         fill_extra_data( p_tk, 0 );
1394     }
1395     else if( !strcmp( p_tk->psz_codec, "V_QUICKTIME" ) )
1396     {
1397         MP4_Box_t *p_box = (MP4_Box_t*)xmalloc( sizeof( MP4_Box_t ) );
1398         stream_t *p_mp4_stream = stream_MemoryNew( VLC_OBJECT(&sys.demuxer),
1399                                                    p_tk->p_extra_data,
1400                                                    p_tk->i_extra_data,
1401                                                    true );
1402         if( MP4_ReadBoxCommon( p_mp4_stream, p_box ) &&
1403             MP4_ReadBox_sample_vide( p_mp4_stream, p_box ) )
1404         {
1405             p_tk->fmt.i_codec = p_box->i_type;
1406             p_tk->fmt.video.i_width = p_box->data.p_sample_vide->i_width;
1407             p_tk->fmt.video.i_height = p_box->data.p_sample_vide->i_height;
1408             p_tk->fmt.i_extra = p_box->data.p_sample_vide->i_qt_image_description;
1409             p_tk->fmt.p_extra = xmalloc( p_tk->fmt.i_extra );
1410             memcpy( p_tk->fmt.p_extra, p_box->data.p_sample_vide->p_qt_image_description, p_tk->fmt.i_extra );
1411             MP4_FreeBox_sample_vide( p_box );
1412         }
1413         else
1414         {
1415             free( p_box );
1416         }
1417         stream_Delete( p_mp4_stream );
1418     }
1419     else if( !strcmp( p_tk->psz_codec, "V_MJPEG" ) )
1420     {
1421         p_tk->fmt.i_codec = VLC_CODEC_MJPG;
1422     }
1423     else if( !strcmp( p_tk->psz_codec, "A_MS/ACM" ) )
1424     {
1425         if( p_tk->i_extra_data < (int)sizeof( WAVEFORMATEX ) )
1426         {
1427             msg_Err( &sys.demuxer, "missing/invalid WAVEFORMATEX" );
1428             p_tk->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
1429         }
1430         else
1431         {
1432             WAVEFORMATEX *p_wf = (WAVEFORMATEX*)p_tk->p_extra_data;
1433
1434             p_tk->fmt.audio.i_channels   = GetWLE( &p_wf->nChannels );
1435             p_tk->fmt.audio.i_rate = GetDWLE( &p_wf->nSamplesPerSec );
1436             p_tk->fmt.i_bitrate    = GetDWLE( &p_wf->nAvgBytesPerSec ) * 8;
1437             p_tk->fmt.audio.i_blockalign = GetWLE( &p_wf->nBlockAlign );;
1438             p_tk->fmt.audio.i_bitspersample = GetWLE( &p_wf->wBitsPerSample );
1439
1440             p_tk->fmt.i_extra            = GetWLE( &p_wf->cbSize );
1441             if( p_tk->fmt.i_extra > 0 )
1442             {
1443                 p_tk->fmt.p_extra = xmalloc( p_tk->fmt.i_extra );
1444                 if( p_tk->fmt.p_extra )
1445                     memcpy( p_tk->fmt.p_extra, &p_wf[1], p_tk->fmt.i_extra );
1446                 else
1447                     p_tk->fmt.i_extra = 0;
1448             }
1449
1450             if( p_wf->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
1451                 p_tk->i_extra_data >= sizeof(WAVEFORMATEXTENSIBLE) )
1452             {
1453                 WAVEFORMATEXTENSIBLE * p_wext = (WAVEFORMATEXTENSIBLE*) p_wf;
1454                 sf_tag_to_fourcc( &p_wext->SubFormat,  &p_tk->fmt.i_codec, NULL);
1455                 /* FIXME should we use Samples */
1456
1457                 if( p_tk->fmt.audio.i_channels > 2 &&
1458                     ( p_tk->fmt.i_codec != VLC_FOURCC( 'u', 'n', 'd', 'f' ) ) )
1459                 {
1460                     uint32_t wfextcm = GetDWLE( &p_wext->dwChannelMask );
1461                     int match;
1462                     unsigned i_channel_mask = getChannelMask( &wfextcm,
1463                                                               p_tk->fmt.audio.i_channels,
1464                                                               &match );
1465                     p_tk->fmt.i_codec = vlc_fourcc_GetCodecAudio( p_tk->fmt.i_codec,
1466                                                                   p_tk->fmt.audio.i_bitspersample );
1467                     if( i_channel_mask )
1468                     {
1469                         p_tk->i_chans_to_reorder = aout_CheckChannelReorder(
1470                             pi_channels_aout, NULL,
1471                             i_channel_mask,
1472                             p_tk->pi_chan_table );
1473
1474                         p_tk->fmt.audio.i_physical_channels =
1475                         p_tk->fmt.audio.i_original_channels = i_channel_mask;
1476                     }
1477                 }
1478             }
1479             else
1480                 wf_tag_to_fourcc( GetWLE( &p_wf->wFormatTag ), &p_tk->fmt.i_codec, NULL );
1481
1482             if( p_tk->fmt.i_codec == VLC_FOURCC( 'u', 'n', 'd', 'f' ) )
1483                 msg_Err( &sys.demuxer, "Unrecognized wf tag: 0x%x", GetWLE( &p_wf->wFormatTag ) );
1484         }
1485     }
1486     else if( !strcmp( p_tk->psz_codec, "A_MPEG/L3" ) ||
1487              !strcmp( p_tk->psz_codec, "A_MPEG/L2" ) ||
1488              !strcmp( p_tk->psz_codec, "A_MPEG/L1" ) )
1489     {
1490         p_tk->fmt.i_codec = VLC_CODEC_MPGA;
1491     }
1492     else if( !strcmp( p_tk->psz_codec, "A_AC3" ) )
1493     {
1494         p_tk->fmt.i_codec = VLC_CODEC_A52;
1495     }
1496     else if( !strcmp( p_tk->psz_codec, "A_EAC3" ) )
1497     {
1498         p_tk->fmt.i_codec = VLC_CODEC_EAC3;
1499     }
1500     else if( !strcmp( p_tk->psz_codec, "A_DTS" ) )
1501     {
1502         p_tk->fmt.i_codec = VLC_CODEC_DTS;
1503     }
1504     else if( !strcmp( p_tk->psz_codec, "A_MLP" ) )
1505     {
1506         p_tk->fmt.i_codec = VLC_CODEC_MLP;
1507     }
1508     else if( !strcmp( p_tk->psz_codec, "A_TRUEHD" ) )
1509     {
1510         /* FIXME when more samples arrive */
1511         p_tk->fmt.i_codec = VLC_CODEC_TRUEHD;
1512         p_fmt->b_packetized = false;
1513     }
1514     else if( !strcmp( p_tk->psz_codec, "A_FLAC" ) )
1515     {
1516         p_tk->fmt.i_codec = VLC_CODEC_FLAC;
1517         fill_extra_data( p_tk, 8 );
1518     }
1519     else if( !strcmp( p_tk->psz_codec, "A_VORBIS" ) )
1520     {
1521         p_tk->fmt.i_codec = VLC_CODEC_VORBIS;
1522         fill_extra_data( p_tk, 0 );
1523     }
1524     else if( !strncmp( p_tk->psz_codec, "A_OPUS", 6 ) )
1525     {
1526         p_tk->fmt.i_codec = VLC_CODEC_OPUS;
1527         if( !p_tk->fmt.audio.i_rate )
1528         {
1529             msg_Err( &sys.demuxer,"No sampling rate, defaulting to 48kHz");
1530             p_tk->fmt.audio.i_rate = 48000;
1531         }
1532         const uint8_t tags[16] = {'O','p','u','s','T','a','g','s',
1533                                    0, 0, 0, 0, 0, 0, 0, 0};
1534         unsigned ps[2] = { p_tk->i_extra_data, 16 };
1535         const void *pkt[2] = { (const void *)p_tk->p_extra_data,
1536                               (const void *) tags };
1537
1538         if( xiph_PackHeaders( &p_tk->fmt.i_extra,
1539                               &p_tk->fmt.p_extra,
1540                               ps, pkt, 2 ) )
1541             msg_Err( &sys.demuxer, "Couldn't pack OPUS headers");
1542
1543     }
1544     else if( !strncmp( p_tk->psz_codec, "A_AAC/MPEG2/", strlen( "A_AAC/MPEG2/" ) ) ||
1545              !strncmp( p_tk->psz_codec, "A_AAC/MPEG4/", strlen( "A_AAC/MPEG4/" ) ) )
1546     {
1547         int i_profile, i_srate, sbr = 0;
1548         static const unsigned int i_sample_rates[] =
1549         {
1550             96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050,
1551             16000, 12000, 11025,  8000,  7350,     0,     0,     0
1552         };
1553
1554         p_tk->fmt.i_codec = VLC_CODEC_MP4A;
1555         /* create data for faad (MP4DecSpecificDescrTag)*/
1556
1557         if( !strcmp( &p_tk->psz_codec[12], "MAIN" ) )
1558         {
1559             i_profile = 0;
1560         }
1561         else if( !strcmp( &p_tk->psz_codec[12], "LC" ) )
1562         {
1563             i_profile = 1;
1564         }
1565         else if( !strcmp( &p_tk->psz_codec[12], "SSR" ) )
1566         {
1567             i_profile = 2;
1568         }
1569         else if( !strcmp( &p_tk->psz_codec[12], "LC/SBR" ) )
1570         {
1571             i_profile = 1;
1572             sbr = 1;
1573         }
1574         else
1575         {
1576             i_profile = 3;
1577         }
1578
1579         for( i_srate = 0; i_srate < 13; i_srate++ )
1580         {
1581             if( i_sample_rates[i_srate] == p_tk->i_original_rate )
1582             {
1583                 break;
1584             }
1585         }
1586         msg_Dbg( &sys.demuxer, "profile=%d srate=%d", i_profile, i_srate );
1587
1588         p_tk->fmt.i_extra = sbr ? 5 : 2;
1589         p_tk->fmt.p_extra = xmalloc( p_tk->fmt.i_extra );
1590         ((uint8_t*)p_tk->fmt.p_extra)[0] = ((i_profile + 1) << 3) | ((i_srate&0xe) >> 1);
1591         ((uint8_t*)p_tk->fmt.p_extra)[1] = ((i_srate & 0x1) << 7) | (p_tk->fmt.audio.i_channels << 3);
1592         if (sbr != 0)
1593         {
1594             int syncExtensionType = 0x2B7;
1595             int iDSRI;
1596             for (iDSRI=0; iDSRI<13; iDSRI++)
1597                 if( i_sample_rates[iDSRI] == p_tk->fmt.audio.i_rate )
1598                     break;
1599             ((uint8_t*)p_tk->fmt.p_extra)[2] = (syncExtensionType >> 3) & 0xFF;
1600             ((uint8_t*)p_tk->fmt.p_extra)[3] = ((syncExtensionType & 0x7) << 5) | 5;
1601             ((uint8_t*)p_tk->fmt.p_extra)[4] = ((1 & 0x1) << 7) | (iDSRI << 3);
1602         }
1603     }
1604     else if( !strcmp( p_tk->psz_codec, "A_AAC" ) )
1605     {
1606         p_tk->fmt.i_codec = VLC_CODEC_MP4A;
1607         fill_extra_data( p_tk, 0 );
1608     }
1609     else if( !strcmp( p_tk->psz_codec, "A_ALAC" ) )
1610     {
1611         p_tk->fmt.i_codec =  VLC_CODEC_ALAC;
1612         fill_extra_data( p_tk, 0 );
1613     }
1614     else if( !strcmp( p_tk->psz_codec, "A_WAVPACK4" ) )
1615     {
1616         p_tk->fmt.i_codec = VLC_CODEC_WAVPACK;
1617         fill_extra_data( p_tk, 0 );
1618     }
1619     else if( !strcmp( p_tk->psz_codec, "A_TTA1" ) )
1620     {
1621         p_fmt->i_codec = VLC_CODEC_TTA;
1622         if( p_tk->i_extra_data > 0 )
1623         {
1624             fill_extra_data( p_tk, 0 );
1625         }
1626         else
1627         {
1628             p_fmt->i_extra = 30;
1629             p_fmt->p_extra = xmalloc( p_fmt->i_extra );
1630             uint8_t *p_extra = (uint8_t*)p_fmt->p_extra;
1631             memcpy( &p_extra[ 0], "TTA1", 4 );
1632             SetWLE( &p_extra[ 4], 1 );
1633             SetWLE( &p_extra[ 6], p_fmt->audio.i_channels );
1634             SetWLE( &p_extra[ 8], p_fmt->audio.i_bitspersample );
1635             SetDWLE( &p_extra[10], p_fmt->audio.i_rate );
1636             SetDWLE( &p_extra[14], 0xffffffff );
1637             memset( &p_extra[18], 0, 30  - 18 );
1638         }
1639     }
1640     else if( !strcmp( p_tk->psz_codec, "A_PCM/INT/BIG" ) ||
1641              !strcmp( p_tk->psz_codec, "A_PCM/INT/LIT" ) ||
1642              !strcmp( p_tk->psz_codec, "A_PCM/FLOAT/IEEE" ) )
1643     {
1644         if( !strcmp( p_tk->psz_codec, "A_PCM/INT/BIG" ) )
1645         {
1646             p_tk->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
1647         }
1648         else
1649         {
1650             p_tk->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
1651         }
1652         p_tk->fmt.audio.i_blockalign = ( p_tk->fmt.audio.i_bitspersample + 7 ) / 8 * p_tk->fmt.audio.i_channels;
1653     }
1654     else if( !strncmp( p_tk->psz_codec, "A_REAL/", 7 ) )
1655     {
1656         if( !strcmp( p_tk->psz_codec, "A_REAL/14_4" ) )
1657         {
1658             p_fmt->i_codec = VLC_CODEC_RA_144;
1659             p_fmt->audio.i_channels = 1;
1660             p_fmt->audio.i_rate = 8000;
1661             p_fmt->audio.i_blockalign = 0x14;
1662         }
1663         else if( p_tk->i_extra_data > 28 )
1664         {
1665             uint8_t *p = p_tk->p_extra_data;
1666             if( memcmp( p, ".ra", 3 ) ) {
1667                 msg_Err( &sys.demuxer, "Invalid Real ExtraData 0x%4.4s", (char *)p );
1668                 p_tk->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
1669             }
1670             else
1671             {
1672                 real_audio_private * priv = (real_audio_private*) p_tk->p_extra_data;
1673                 if( !strcmp( p_tk->psz_codec, "A_REAL/COOK" ) )
1674                 {
1675                     p_tk->fmt.i_codec = VLC_CODEC_COOK;
1676                     p_tk->fmt.audio.i_blockalign = hton16(priv->sub_packet_size);
1677                 }
1678                 else if( !strcmp( p_tk->psz_codec, "A_REAL/ATRC" ) )
1679                     p_tk->fmt.i_codec = VLC_CODEC_ATRAC3;
1680                 else if( !strcmp( p_tk->psz_codec, "A_REAL/28_8" ) )
1681                     p_tk->fmt.i_codec = VLC_CODEC_RA_288;
1682                 /* FIXME RALF and SIPR */
1683                 uint16_t version = (uint16_t) hton16(priv->version);
1684                 p_tk->p_sys =
1685                     new Cook_PrivateTrackData( hton16(priv->sub_packet_h),
1686                                                hton16(priv->frame_size),
1687                                                hton16(priv->sub_packet_size));
1688                 if( unlikely( !p_tk->p_sys ) )
1689                     return 1;
1690
1691                 if( unlikely( p_tk->p_sys->Init() ) )
1692                     return 1;
1693
1694                 if( version == 4 )
1695                 {
1696                     real_audio_private_v4 * v4 = (real_audio_private_v4*) priv;
1697                     p_tk->fmt.audio.i_channels = hton16(v4->channels);
1698                     p_tk->fmt.audio.i_bitspersample = hton16(v4->sample_size);
1699                     p_tk->fmt.audio.i_rate = hton16(v4->sample_rate);
1700                 }
1701                 else if( version == 5 )
1702                 {
1703                     real_audio_private_v5 * v5 = (real_audio_private_v5*) priv;
1704                     p_tk->fmt.audio.i_channels = hton16(v5->channels);
1705                     p_tk->fmt.audio.i_bitspersample = hton16(v5->sample_size);
1706                     p_tk->fmt.audio.i_rate = hton16(v5->sample_rate);
1707                 }
1708                 msg_Dbg(&sys.demuxer, "%d channels %d bits %d Hz",p_tk->fmt.audio.i_channels, p_tk->fmt.audio.i_bitspersample, p_tk->fmt.audio.i_rate);
1709
1710                 fill_extra_data( p_tk, p_tk->fmt.i_codec == VLC_CODEC_RA_288 ? 0 : 78);
1711             }
1712         }
1713     }
1714     else if( !strcmp( p_tk->psz_codec, "S_KATE" ) )
1715     {
1716         p_tk->fmt.i_codec = VLC_CODEC_KATE;
1717         p_tk->fmt.subs.psz_encoding = strdup( "UTF-8" );
1718
1719         fill_extra_data( p_tk, 0 );
1720     }
1721     else if( !strcmp( p_tk->psz_codec, "S_TEXT/ASCII" ) )
1722     {
1723         p_fmt->i_codec = VLC_CODEC_SUBT;
1724         p_fmt->subs.psz_encoding = strdup( "ASCII" );
1725     }
1726     else if( !strcmp( p_tk->psz_codec, "S_TEXT/UTF8" ) )
1727     {
1728         p_tk->fmt.i_codec = VLC_CODEC_SUBT;
1729         p_tk->fmt.subs.psz_encoding = strdup( "UTF-8" );
1730     }
1731     else if( !strcmp( p_tk->psz_codec, "S_TEXT/USF" ) )
1732     {
1733         p_tk->fmt.i_codec = VLC_FOURCC( 'u', 's', 'f', ' ' );
1734         p_tk->fmt.subs.psz_encoding = strdup( "UTF-8" );
1735         if( p_tk->i_extra_data )
1736             fill_extra_data( p_tk, 0 );
1737     }
1738     else if( !strcmp( p_tk->psz_codec, "S_TEXT/SSA" ) ||
1739              !strcmp( p_tk->psz_codec, "S_TEXT/ASS" ) ||
1740              !strcmp( p_tk->psz_codec, "S_SSA" ) ||
1741              !strcmp( p_tk->psz_codec, "S_ASS" ))
1742     {
1743         p_tk->fmt.i_codec = VLC_CODEC_SSA;
1744         p_tk->fmt.subs.psz_encoding = strdup( "UTF-8" );
1745         if( p_tk->i_extra_data )
1746             fill_extra_data( p_tk, 0 );
1747     }
1748     else if( !strcmp( p_tk->psz_codec, "S_VOBSUB" ) )
1749     {
1750         p_tk->fmt.i_codec = VLC_CODEC_SPU;
1751         p_tk->b_no_duration = true;
1752         if( p_tk->i_extra_data )
1753         {
1754             char *psz_start;
1755             char *psz_buf = (char *)malloc( p_tk->i_extra_data + 1);
1756             if( psz_buf != NULL )
1757             {
1758                 memcpy( psz_buf, p_tk->p_extra_data , p_tk->i_extra_data );
1759                 psz_buf[p_tk->i_extra_data] = '\0';
1760
1761                 psz_start = strstr( psz_buf, "size:" );
1762                 if( psz_start &&
1763                     vobsub_size_parse( psz_start,
1764                                        &p_tk->fmt.subs.spu.i_original_frame_width,
1765                                        &p_tk->fmt.subs.spu.i_original_frame_height ) == VLC_SUCCESS )
1766                 {
1767                     msg_Dbg( &sys.demuxer, "original frame size vobsubs: %dx%d",
1768                              p_tk->fmt.subs.spu.i_original_frame_width,
1769                              p_tk->fmt.subs.spu.i_original_frame_height );
1770                 }
1771                 else
1772                 {
1773                     msg_Warn( &sys.demuxer, "reading original frame size for vobsub failed" );
1774                 }
1775
1776                 psz_start = strstr( psz_buf, "palette:" );
1777                 if( psz_start &&
1778                     vobsub_palette_parse( psz_start, &p_tk->fmt.subs.spu.palette[1] ) == VLC_SUCCESS )
1779                 {
1780                     p_tk->fmt.subs.spu.palette[0] =  0xBeef;
1781                     msg_Dbg( &sys.demuxer, "vobsub palette read" );
1782                 }
1783                 else
1784                 {
1785                     msg_Warn( &sys.demuxer, "reading original palette failed" );
1786                 }
1787                 free( psz_buf );
1788             }
1789         }
1790     }
1791     else if( !strcmp( p_tk->psz_codec, "S_HDMV/PGS" ) )
1792     {
1793         p_tk->fmt.i_codec = VLC_CODEC_BD_PG;
1794     }
1795     else if( !strcmp( p_tk->psz_codec, "B_VOBBTN" ) )
1796     {
1797         p_tk->fmt.i_cat = NAV_ES;
1798     }
1799     else
1800     {
1801         msg_Err( &sys.demuxer, "unknown codec id=`%s'", p_tk->psz_codec );
1802         p_tk->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
1803     }
1804     return 0;
1805 }