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

   1 /*****************************************************************************
   2  * mkv.cpp : matroska demuxer
   3  *****************************************************************************
   4  * Copyright (C) 2001 VideoLAN
   5  * $Id: mkv.cpp,v 1.22 2003/08/18 00:17:44 fenrir Exp $
   6  *
   7  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  22  *****************************************************************************/
  23
  24 /*****************************************************************************
  25  * Preamble
  26  *****************************************************************************/
  27 #include <stdlib.h>                                      /* malloc(), free() */
  28
  29 #include <vlc/vlc.h>
  30
  31 #ifdef HAVE_TIME_H
  32 #   include <time.h>                                               /* time() */
  33 #endif
  34
  35 #include <vlc/input.h>
  36
  37 #include <codecs.h>                        /* BITMAPINFOHEADER, WAVEFORMATEX */
  38
  39 #include <iostream>
  40 #include <cassert>
  41 #include <typeinfo>
  42
  43 #ifdef HAVE_WCHAR_H
  44 #   include <wchar.h>
  45 #endif
  46
  47 /* libebml and matroska */
  48 #include "ebml/EbmlHead.h"
  49 #include "ebml/EbmlSubHead.h"
  50 #include "ebml/EbmlStream.h"
  51 #include "ebml/EbmlContexts.h"
  52 #include "ebml/EbmlVersion.h"
  53 #include "ebml/EbmlVoid.h"
  54
  55 #include "matroska/FileKax.h"
  56 #ifdef HAVE_MATROSKA_KAXATTACHMENTS_H
  57 #include "matroska/KaxAttachments.h"
  58 #else
  59 #include "matroska/KaxAttachements.h"
  60 #endif
  61 #include "matroska/KaxBlock.h"
  62 #include "matroska/KaxBlockData.h"
  63 #include "matroska/KaxChapters.h"
  64 #include "matroska/KaxCluster.h"
  65 #include "matroska/KaxClusterData.h"
  66 #include "matroska/KaxContexts.h"
  67 #include "matroska/KaxCues.h"
  68 #include "matroska/KaxCuesData.h"
  69 #include "matroska/KaxInfo.h"
  70 #include "matroska/KaxInfoData.h"
  71 #include "matroska/KaxSeekHead.h"
  72 #include "matroska/KaxSegment.h"
  73 #include "matroska/KaxTag.h"
  74 #include "matroska/KaxTags.h"
  75 #include "matroska/KaxTagMulti.h"
  76 #include "matroska/KaxTracks.h"
  77 #include "matroska/KaxTrackAudio.h"
  78 #include "matroska/KaxTrackVideo.h"
  79 #include "matroska/KaxTrackEntryData.h"
  80
  81 #include "ebml/StdIOCallback.h"
  82
  83 using namespace LIBMATROSKA_NAMESPACE;
  84 using namespace std;
  85
  86
  87 /*****************************************************************************
  88  * Local prototypes
  89  *****************************************************************************/
  90 static int  Activate  ( vlc_object_t * );
  91 static void Deactivate( vlc_object_t * );
  92 static int  Demux     ( input_thread_t * );
  93
  94 /*****************************************************************************
  95  * Module descriptor
  96  *****************************************************************************/
  97 vlc_module_begin();
  98     add_category_hint( N_("mkv-demuxer"), NULL, VLC_TRUE );
  99         add_bool( "mkv-seek-percent", 1, NULL,
 100                   N_("Seek based on percent not time"),
 101                   N_("Seek based on percent not time"), VLC_TRUE );
 102
 103     set_description( _("mka/mkv stream demuxer" ) );
 104     set_capability( "demux", 50 );
 105     set_callbacks( Activate, Deactivate );
 106     add_shortcut( "mka" );
 107     add_shortcut( "mkv" );
 108 vlc_module_end();
 109
 110
 111 /*****************************************************************************
 112  * Stream managment
 113  *****************************************************************************/
 114 class vlc_stream_io_callback: public IOCallback
 115 {
 116   private:
 117     input_thread_t *p_input;
 118     vlc_bool_t     mb_eof;
 119
 120   public:
 121     vlc_stream_io_callback( input_thread_t * );
 122
 123     virtual uint32_t read            ( void *p_buffer, size_t i_size);
 124     virtual void     setFilePointer  ( int64_t i_offset, seek_mode mode = seek_beginning );
 125     virtual size_t   write           ( const void *p_buffer, size_t i_size);
 126     virtual uint64_t getFilePointer  ( void );
 127     virtual void     close           ( void );
 128 };
 129
 130 /*****************************************************************************
 131  * Ebml Stream parser
 132  *****************************************************************************/
 133 class EbmlParser
 134 {
 135   public:
 136     EbmlParser( EbmlStream *es, EbmlElement *el_start );
 137     ~EbmlParser( void );
 138
 139     void Up( void );
 140     void Down( void );
 141     EbmlElement *Get( void );
 142     void        Keep( void );
 143
 144     int GetLevel( void );
 145
 146   private:
 147     EbmlStream  *m_es;
 148     int         mi_level;
 149     EbmlElement *m_el[6];
 150
 151     EbmlElement *m_got;
 152
 153     int         mi_user_level;
 154     vlc_bool_t  mb_keep;
 155 };
 156
 157
 158 /*****************************************************************************
 159  * Some functions to manipulate memory
 160  *****************************************************************************/
 161 #define GetFOURCC( p )  __GetFOURCC( (uint8_t*)p )
 162 static vlc_fourcc_t __GetFOURCC( uint8_t *p )
 163 {
 164     return VLC_FOURCC( p[0], p[1], p[2], p[3] );
 165 }
 166
 167 /*****************************************************************************
 168  * definitions of structures and functions used by this plugins
 169  *****************************************************************************/
 170 typedef struct
 171 {
 172     int         i_cat;
 173     vlc_bool_t  b_default;
 174     vlc_bool_t  b_enabled;
 175     int         i_number;
 176
 177     int         i_extra_data;
 178     uint8_t     *p_extra_data;
 179
 180     char         *psz_language;
 181
 182     char         *psz_codec;
 183     vlc_fourcc_t i_codec;
 184
 185     uint64_t     i_default_duration;
 186     float        f_timecodescale;
 187     /* video */
 188     int         i_width;
 189     int         i_height;
 190     int         i_display_width;
 191     int         i_display_height;
 192     float       f_fps;
 193
 194
 195     /* audio */
 196     int         i_channels;
 197     int         i_samplerate;
 198     int         i_bitspersample;
 199
 200     es_descriptor_t *p_es;
 201
 202
 203
 204     vlc_bool_t      b_inited;
 205     /* data to be send first */
 206     int             i_data_init;
 207     uint8_t         *p_data_init;
 208
 209     /* hack : it's for seek */
 210     vlc_bool_t      b_search_keyframe;
 211
 212     /* informative */
 213     char         *psz_name;
 214     char         *psz_codec_name;
 215     char         *psz_codec_settings;
 216     char         *psz_codec_info_url;
 217     char         *psz_codec_download_url;
 218
 219 } mkv_track_t;
 220
 221 typedef struct
 222 {
 223     int     i_track;
 224     int     i_block_number;
 225
 226     int64_t i_position;
 227     int64_t i_time;
 228
 229     vlc_bool_t b_key;
 230 } mkv_index_t;
 231
 232 struct demux_sys_t
 233 {
 234     vlc_stream_io_callback  *in;
 235     EbmlStream              *es;
 236     EbmlParser              *ep;
 237
 238     /* time scale */
 239     uint64_t                i_timescale;
 240
 241     /* duration of the segment */
 242     float                   f_duration;
 243
 244     /* all tracks */
 245     int                     i_track;
 246     mkv_track_t             *track;
 247
 248     /* from seekhead */
 249     int64_t                 i_cues_position;
 250     int64_t                 i_chapters_position;
 251     int64_t                 i_tags_position;
 252
 253     /* current data */
 254     KaxSegment              *segment;
 255     KaxCluster              *cluster;
 256
 257     mtime_t                 i_pts;
 258
 259     vlc_bool_t              b_cues;
 260     int                     i_index;
 261     int                     i_index_max;
 262     mkv_index_t             *index;
 263
 264     /* info */
 265     char                    *psz_muxing_application;
 266     char                    *psz_writing_application;
 267     char                    *psz_segment_filename;
 268     char                    *psz_title;
 269     char                    *psz_date_utc;
 270 };
 271
 272 #define MKVD_TIMECODESCALE 1000000
 273
 274 static void IndexAppendCluster  ( input_thread_t *p_input, KaxCluster *cluster );
 275 static char *UTF8ToStr          ( const UTFstring &u );
 276 static void LoadCues            ( input_thread_t *);
 277 static void InformationsCreate  ( input_thread_t *p_input );
 278
 279 /*****************************************************************************
 280  * Activate: initializes matroska demux structures
 281  *****************************************************************************/
 282 static int Activate( vlc_object_t * p_this )
 283 {
 284     input_thread_t *p_input = (input_thread_t *)p_this;
 285     demux_sys_t    *p_sys;
 286     uint8_t        *p_peek;
 287
 288     int             i_track;
 289     vlc_bool_t      b_audio_selected;
 290     int             i_spu_channel, i_audio_channel;
 291
 292     EbmlElement     *el = NULL, *el1 = NULL, *el2 = NULL, *el3 = NULL, *el4 = NULL;
 293
 294
 295     /* Initialize access plug-in structures. */
 296     if( p_input->i_mtu == 0 )
 297     {
 298         /* Improve speed. */
 299         p_input->i_bufsize = INPUT_DEFAULT_BUFSIZE;
 300     }
 301
 302     /* Set the demux function */
 303     p_input->pf_demux = Demux;
 304
 305     /* peek the begining */
 306     if( input_Peek( p_input, &p_peek, 4 ) < 4 )
 307     {
 308         msg_Warn( p_input, "cannot peek" );
 309         return VLC_EGENERIC;
 310     }
 311
 312     /* is a valid file */
 313     if( p_peek[0] != 0x1a || p_peek[1] != 0x45 || p_peek[2] != 0xdf || p_peek[3] != 0xa3 )
 314     {
 315         msg_Warn( p_input, "matroska module discarded "
 316                            "(invalid header 0x%.2x%.2x%.2x%.2x)",
 317                            p_peek[0], p_peek[1], p_peek[2], p_peek[3] );
 318         return VLC_EGENERIC;
 319     }
 320
 321     p_input->p_demux_data = p_sys = (demux_sys_t*)malloc( sizeof( demux_sys_t ) );
 322     memset( p_sys, 0, sizeof( demux_sys_t ) );
 323
 324     p_sys->in = new vlc_stream_io_callback( p_input );
 325     p_sys->es = new EbmlStream( *p_sys->in );
 326     p_sys->f_duration   = -1;
 327     p_sys->i_timescale     = MKVD_TIMECODESCALE;
 328     p_sys->i_track      = 0;
 329     p_sys->track        = (mkv_track_t*)malloc( sizeof( mkv_track_t ) );
 330     p_sys->i_pts   = 0;
 331     p_sys->i_cues_position = -1;
 332     p_sys->i_chapters_position = -1;
 333     p_sys->i_tags_position = -1;
 334
 335     p_sys->b_cues       = VLC_FALSE;
 336     p_sys->i_index      = 0;
 337     p_sys->i_index_max  = 1024;
 338     p_sys->index        = (mkv_index_t*)malloc( sizeof( mkv_index_t ) * p_sys->i_index_max );
 339
 340     p_sys->psz_muxing_application = NULL;
 341     p_sys->psz_writing_application = NULL;
 342     p_sys->psz_segment_filename = NULL;
 343     p_sys->psz_title = NULL;
 344     p_sys->psz_date_utc = NULL;;
 345
 346     if( p_sys->es == NULL )
 347     {
 348         msg_Err( p_input, "failed to create EbmlStream" );
 349         delete p_sys->in;
 350         free( p_sys );
 351         return VLC_EGENERIC;
 352     }
 353     /* Find the EbmlHead element */
 354     el = p_sys->es->FindNextID(EbmlHead::ClassInfos, 0xFFFFFFFFL);
 355     if( el == NULL )
 356     {
 357         msg_Err( p_input, "cannot find EbmlHead" );
 358         goto error;
 359     }
 360     msg_Dbg( p_input, "EbmlHead" );
 361     /* skip it */
 362     el->SkipData( *p_sys->es, el->Generic().Context );
 363     delete el;
 364
 365     /* Find a segment */
 366     el = p_sys->es->FindNextID( KaxSegment::ClassInfos, 0xFFFFFFFFL);
 367     if( el == NULL )
 368     {
 369         msg_Err( p_input, "cannot find KaxSegment" );
 370         goto error;
 371     }
 372     msg_Dbg( p_input, "+ Segment" );
 373     p_sys->segment = (KaxSegment*)el;
 374     p_sys->cluster = NULL;
 375
 376     p_sys->ep = new EbmlParser( p_sys->es, el );
 377
 378     while( ( el1 = p_sys->ep->Get() ) != NULL )
 379     {
 380         if( EbmlId( *el1 ) == KaxInfo::ClassInfos.GlobalId )
 381         {
 382             msg_Dbg( p_input, "|   + Informations" );
 383
 384             p_sys->ep->Down();
 385             while( ( el2 = p_sys->ep->Get() ) != NULL )
 386             {
 387                 if( EbmlId( *el2 ) == KaxTimecodeScale::ClassInfos.GlobalId )
 388                 {
 389                     KaxTimecodeScale &tcs = *(KaxTimecodeScale*)el2;
 390
 391                     tcs.ReadData( p_sys->es->I_O() );
 392                     p_sys->i_timescale = uint64(tcs);
 393
 394                     msg_Dbg( p_input, "|   |   + TimecodeScale="I64Fd,
 395                              p_sys->i_timescale );
 396                 }
 397                 else if( EbmlId( *el2 ) == KaxDuration::ClassInfos.GlobalId )
 398                 {
 399                     KaxDuration &dur = *(KaxDuration*)el2;
 400
 401                     dur.ReadData( p_sys->es->I_O() );
 402                     p_sys->f_duration = float(dur);
 403
 404                     msg_Dbg( p_input, "|   |   + Duration=%f", p_sys->f_duration );
 405                 }
 406                 else if( EbmlId( *el2 ) == KaxMuxingApp::ClassInfos.GlobalId )
 407                 {
 408                     KaxMuxingApp &mapp = *(KaxMuxingApp*)el2;
 409
 410                     mapp.ReadData( p_sys->es->I_O() );
 411
 412                     p_sys->psz_muxing_application = UTF8ToStr( UTFstring( mapp ) );
 413
 414                     msg_Dbg( p_input, "|   |   + Muxing Application=%s", p_sys->psz_muxing_application );
 415                 }
 416                 else if( EbmlId( *el2 ) == KaxWritingApp::ClassInfos.GlobalId )
 417                 {
 418                     KaxWritingApp &wapp = *(KaxWritingApp*)el2;
 419
 420                     wapp.ReadData( p_sys->es->I_O() );
 421
 422                     p_sys->psz_writing_application = UTF8ToStr( UTFstring( wapp ) );
 423
 424                     msg_Dbg( p_input, "|   |   + Wrinting Application=%s", p_sys->psz_writing_application );
 425                 }
 426                 else if( EbmlId( *el2 ) == KaxSegmentFilename::ClassInfos.GlobalId )
 427                 {
 428                     KaxSegmentFilename &sfn = *(KaxSegmentFilename*)el2;
 429
 430                     sfn.ReadData( p_sys->es->I_O() );
 431
 432                     p_sys->psz_segment_filename = UTF8ToStr( UTFstring( sfn ) );
 433
 434                     msg_Dbg( p_input, "|   |   + Segment Filename=%s", p_sys->psz_segment_filename );
 435                 }
 436                 else if( EbmlId( *el2 ) == KaxTitle::ClassInfos.GlobalId )
 437                 {
 438                     KaxTitle &title = *(KaxTitle*)el2;
 439
 440                     title.ReadData( p_sys->es->I_O() );
 441
 442                     p_sys->psz_title = UTF8ToStr( UTFstring( title ) );
 443
 444                     msg_Dbg( p_input, "|   |   + Title=%s", p_sys->psz_title );
 445                 }
 446 #ifdef HAVE_GMTIME_R
 447                 else if( EbmlId( *el2 ) == KaxDateUTC::ClassInfos.GlobalId )
 448                 {
 449                     KaxDateUTC &date = *(KaxDateUTC*)el2;
 450                     time_t i_date;
 451                     struct tm tmres;
 452                     char   buffer[256];
 453
 454                     date.ReadData( p_sys->es->I_O() );
 455
 456                     i_date = date.GetEpochDate();
 457                     memset( buffer, 0, 256 );
 458                     if( gmtime_r( &i_date, &tmres ) &&
 459                         asctime_r( &tmres, buffer ) )
 460                     {
 461                         buffer[strlen( buffer)-1]= '\0';
 462                         p_sys->psz_date_utc = strdup( buffer );
 463                         msg_Dbg( p_input, "|   |   + Date=%s", p_sys->psz_date_utc );
 464                     }
 465                 }
 466 #endif
 467                 else
 468                 {
 469                     msg_Dbg( p_input, "|   |   + Unknown (%s)", typeid(*el2).name() );
 470                 }
 471             }
 472             p_sys->ep->Up();
 473         }
 474         else if( EbmlId( *el1 ) == KaxTracks::ClassInfos.GlobalId )
 475         {
 476             msg_Dbg( p_input, "|   + Tracks" );
 477
 478             p_sys->ep->Down();
 479             while( ( el2 = p_sys->ep->Get() ) != NULL )
 480             {
 481                 if( EbmlId( *el2 ) == KaxTrackEntry::ClassInfos.GlobalId )
 482                 {
 483                     msg_Dbg( p_input, "|   |   + Track Entry" );
 484
 485                     p_sys->i_track++;
 486                     p_sys->track = (mkv_track_t*)realloc( p_sys->track, sizeof( mkv_track_t ) * (p_sys->i_track + 1 ) );
 487 #define tk  p_sys->track[p_sys->i_track - 1]
 488                     memset( &tk, 0, sizeof( mkv_track_t ) );
 489                     tk.i_cat = UNKNOWN_ES;
 490                     tk.b_default = VLC_TRUE;
 491                     tk.b_enabled = VLC_TRUE;
 492                     tk.i_number = p_sys->i_track - 1;
 493                     tk.i_extra_data = 0;
 494                     tk.p_extra_data = NULL;
 495                     tk.i_codec = 0;
 496                     tk.psz_codec = NULL;
 497                     tk.psz_language = NULL;
 498                     tk.i_default_duration = 0;
 499                     tk.f_timecodescale = 1.0;
 500
 501                     tk.b_inited = VLC_FALSE;
 502                     tk.i_data_init = 0;
 503                     tk.p_data_init = NULL;
 504
 505                     tk.psz_name = NULL;
 506                     tk.psz_codec_name = NULL;
 507                     tk.psz_codec_settings = NULL;
 508                     tk.psz_codec_info_url = NULL;
 509                     tk.psz_codec_download_url = NULL;
 510
 511                     p_sys->ep->Down();
 512
 513                     while( ( el3 = p_sys->ep->Get() ) != NULL )
 514                     {
 515                         if( EbmlId( *el3 ) == KaxTrackNumber::ClassInfos.GlobalId )
 516                         {
 517                             KaxTrackNumber &tnum = *(KaxTrackNumber*)el3;
 518                             tnum.ReadData( p_sys->es->I_O() );
 519
 520                             tk.i_number = uint32( tnum );
 521                             msg_Dbg( p_input, "|   |   |   + Track Number=%u", uint32( tnum ) );
 522                         }
 523                         else  if( EbmlId( *el3 ) == KaxTrackUID::ClassInfos.GlobalId )
 524                         {
 525                             KaxTrackUID &tuid = *(KaxTrackUID*)el3;
 526                             tuid.ReadData( p_sys->es->I_O() );
 527
 528                             msg_Dbg( p_input, "|   |   |   + Track UID=%u", uint32( tuid ) );
 529                         }
 530                         else  if( EbmlId( *el3 ) == KaxTrackType::ClassInfos.GlobalId )
 531                         {
 532                             char *psz_type;
 533                             KaxTrackType &ttype = *(KaxTrackType*)el3;
 534                             ttype.ReadData( p_sys->es->I_O() );
 535                             switch( uint8(ttype) )
 536                             {
 537                                 case track_audio:
 538                                     psz_type = "audio";
 539                                     tk.i_cat = AUDIO_ES;
 540                                     break;
 541                                 case track_video:
 542                                     psz_type = "video";
 543                                     tk.i_cat = VIDEO_ES;
 544                                     break;
 545                                 case track_subtitle:
 546                                     psz_type = "subtitle";
 547                                     tk.i_cat = SPU_ES;
 548                                     break;
 549                                 default:
 550                                     psz_type = "unknown";
 551                                     tk.i_cat = UNKNOWN_ES;
 552                                     break;
 553                             }
 554
 555                             msg_Dbg( p_input, "|   |   |   + Track Type=%s", psz_type );
 556                         }
 557                         else  if( EbmlId( *el3 ) == KaxTrackFlagEnabled::ClassInfos.GlobalId )
 558                         {
 559                             KaxTrackFlagEnabled &fenb = *(KaxTrackFlagEnabled*)el3;
 560                             fenb.ReadData( p_sys->es->I_O() );
 561
 562                             tk.b_enabled = uint32( fenb );
 563                             msg_Dbg( p_input, "|   |   |   + Track Enabled=%u", uint32( fenb )  );
 564                         }
 565                         else  if( EbmlId( *el3 ) == KaxTrackFlagDefault::ClassInfos.GlobalId )
 566                         {
 567                             KaxTrackFlagDefault &fdef = *(KaxTrackFlagDefault*)el3;
 568                             fdef.ReadData( p_sys->es->I_O() );
 569
 570                             tk.b_default = uint32( fdef );
 571                             msg_Dbg( p_input, "|   |   |   + Track Default=%u", uint32( fdef )  );
 572                         }
 573                         else  if( EbmlId( *el3 ) == KaxTrackFlagLacing::ClassInfos.GlobalId )
 574                         {
 575                             KaxTrackFlagLacing &lac = *(KaxTrackFlagLacing*)el3;
 576                             lac.ReadData( p_sys->es->I_O() );
 577
 578                             msg_Dbg( p_input, "|   |   |   + Track Lacing=%d", uint32( lac ) );
 579                         }
 580                         else  if( EbmlId( *el3 ) == KaxTrackMinCache::ClassInfos.GlobalId )
 581                         {
 582                             KaxTrackMinCache &cmin = *(KaxTrackMinCache*)el3;
 583                             cmin.ReadData( p_sys->es->I_O() );
 584
 585                             msg_Dbg( p_input, "|   |   |   + Track MinCache=%d", uint32( cmin ) );
 586                         }
 587                         else  if( EbmlId( *el3 ) == KaxTrackMaxCache::ClassInfos.GlobalId )
 588                         {
 589                             KaxTrackMaxCache &cmax = *(KaxTrackMaxCache*)el3;
 590                             cmax.ReadData( p_sys->es->I_O() );
 591
 592                             msg_Dbg( p_input, "|   |   |   + Track MaxCache=%d", uint32( cmax ) );
 593                         }
 594                         else  if( EbmlId( *el3 ) == KaxTrackDefaultDuration::ClassInfos.GlobalId )
 595                         {
 596                             KaxTrackDefaultDuration &defd = *(KaxTrackDefaultDuration*)el3;
 597                             defd.ReadData( p_sys->es->I_O() );
 598
 599                             tk.i_default_duration = uint64(defd);
 600                             msg_Dbg( p_input, "|   |   |   + Track Default Duration="I64Fd, uint64(defd) );
 601                         }
 602                         else  if( EbmlId( *el3 ) == KaxTrackTimecodeScale::ClassInfos.GlobalId )
 603                         {
 604                             KaxTrackTimecodeScale &ttcs = *(KaxTrackTimecodeScale*)el3;
 605                             ttcs.ReadData( p_sys->es->I_O() );
 606
 607                             tk.f_timecodescale = float( ttcs );
 608                             msg_Dbg( p_input, "|   |   |   + Track TimeCodeScale=%f", tk.f_timecodescale );
 609                         }
 610                         else if( EbmlId( *el3 ) == KaxTrackName::ClassInfos.GlobalId )
 611                         {
 612                             KaxTrackName &tname = *(KaxTrackName*)el3;
 613                             tname.ReadData( p_sys->es->I_O() );
 614
 615                             tk.psz_name = UTF8ToStr( UTFstring( tname ) );
 616                             msg_Dbg( p_input, "|   |   |   + Track Name=%s", tk.psz_name );
 617                         }
 618                         else  if( EbmlId( *el3 ) == KaxTrackLanguage::ClassInfos.GlobalId )
 619                         {
 620                             KaxTrackLanguage &lang = *(KaxTrackLanguage*)el3;
 621
 622                             lang.ReadData( p_sys->es->I_O() );
 623
 624                             tk.psz_language = strdup( string( lang ).c_str() );
 625                             msg_Dbg( p_input, "|   |   |   + Track Language=`%s'", string( lang ).c_str() );
 626                         }
 627                         else  if( EbmlId( *el3 ) == KaxCodecID::ClassInfos.GlobalId )
 628                         {
 629                             KaxCodecID &codecid = *(KaxCodecID*)el3;
 630                             codecid.ReadData( p_sys->es->I_O() );
 631
 632                             tk.psz_codec = strdup( string( codecid ).c_str() );
 633                             msg_Dbg( p_input, "|   |   |   + Track CodecId=%s", string( codecid ).c_str() );
 634                         }
 635                         else  if( EbmlId( *el3 ) == KaxCodecPrivate::ClassInfos.GlobalId )
 636                         {
 637                             KaxCodecPrivate &cpriv = *(KaxCodecPrivate*)el3;
 638                             cpriv.ReadData( p_sys->es->I_O() );
 639
 640                             tk.i_extra_data = cpriv.GetSize();
 641                             if( tk.i_extra_data > 0 )
 642                             {
 643                                 tk.p_extra_data = (uint8_t*)malloc( tk.i_extra_data );
 644                                 memcpy( tk.p_extra_data, cpriv.GetBuffer(), tk.i_extra_data );
 645                             }
 646                             msg_Dbg( p_input, "|   |   |   + Track CodecPrivate size="I64Fd, cpriv.GetSize() );
 647                         }
 648                         else if( EbmlId( *el3 ) == KaxCodecName::ClassInfos.GlobalId )
 649                         {
 650                             KaxCodecName &cname = *(KaxCodecName*)el3;
 651                             cname.ReadData( p_sys->es->I_O() );
 652
 653                             tk.psz_codec_name = UTF8ToStr( UTFstring( cname ) );
 654                             msg_Dbg( p_input, "|   |   |   + Track Codec Name=%s", tk.psz_codec_name );
 655                         }
 656                         else if( EbmlId( *el3 ) == KaxCodecSettings::ClassInfos.GlobalId )
 657                         {
 658                             KaxCodecSettings &cset = *(KaxCodecSettings*)el3;
 659                             cset.ReadData( p_sys->es->I_O() );
 660
 661                             tk.psz_codec_settings = UTF8ToStr( UTFstring( cset ) );
 662                             msg_Dbg( p_input, "|   |   |   + Track Codec Settings=%s", tk.psz_codec_settings );
 663                         }
 664                         else if( EbmlId( *el3 ) == KaxCodecInfoURL::ClassInfos.GlobalId )
 665                         {
 666                             KaxCodecInfoURL &ciurl = *(KaxCodecInfoURL*)el3;
 667                             ciurl.ReadData( p_sys->es->I_O() );
 668
 669                             tk.psz_codec_info_url = strdup( string( ciurl ).c_str() );
 670                             msg_Dbg( p_input, "|   |   |   + Track Codec Info URL=%s", tk.psz_codec_info_url );
 671                         }
 672                         else if( EbmlId( *el3 ) == KaxCodecDownloadURL::ClassInfos.GlobalId )
 673                         {
 674                             KaxCodecDownloadURL &cdurl = *(KaxCodecDownloadURL*)el3;
 675                             cdurl.ReadData( p_sys->es->I_O() );
 676
 677                             tk.psz_codec_download_url = strdup( string( cdurl ).c_str() );
 678                             msg_Dbg( p_input, "|   |   |   + Track Codec Info URL=%s", tk.psz_codec_download_url );
 679                         }
 680                         else if( EbmlId( *el3 ) == KaxCodecDecodeAll::ClassInfos.GlobalId )
 681                         {
 682                             KaxCodecDecodeAll &cdall = *(KaxCodecDecodeAll*)el3;
 683                             cdall.ReadData( p_sys->es->I_O() );
 684
 685                             msg_Dbg( p_input, "|   |   |   + Track Codec Decode All=%u <== UNUSED", uint8( cdall ) );
 686                         }
 687                         else if( EbmlId( *el3 ) == KaxTrackOverlay::ClassInfos.GlobalId )
 688                         {
 689                             KaxTrackOverlay &tovr = *(KaxTrackOverlay*)el3;
 690                             tovr.ReadData( p_sys->es->I_O() );
 691
 692                             msg_Dbg( p_input, "|   |   |   + Track Overlay=%u <== UNUSED", uint32( tovr ) );
 693                         }
 694                         else  if( EbmlId( *el3 ) == KaxTrackVideo::ClassInfos.GlobalId )
 695                         {
 696                             msg_Dbg( p_input, "|   |   |   + Track Video" );
 697                             tk.i_width  = 0;
 698                             tk.i_height = 0;
 699                             tk.i_display_width  = 0;
 700                             tk.i_display_height = 0;
 701                             tk.f_fps = 0.0;
 702
 703                             p_sys->ep->Down();
 704
 705                             while( ( el4 = p_sys->ep->Get() ) != NULL )
 706                             {
 707                                 if( EbmlId( *el4 ) == KaxVideoFlagInterlaced::ClassInfos.GlobalId )
 708                                 {
 709                                     KaxVideoFlagInterlaced &fint = *(KaxVideoFlagInterlaced*)el4;
 710                                     fint.ReadData( p_sys->es->I_O() );
 711
 712                                     msg_Dbg( p_input, "|   |   |   |   + Track Video Interlaced=%u", uint8( fint ) );
 713                                 }
 714                                 else if( EbmlId( *el4 ) == KaxVideoStereoMode::ClassInfos.GlobalId )
 715                                 {
 716                                     KaxVideoStereoMode &stereo = *(KaxVideoStereoMode*)el4;
 717                                     stereo.ReadData( p_sys->es->I_O() );
 718
 719                                     msg_Dbg( p_input, "|   |   |   |   + Track Video Stereo Mode=%u", uint8( stereo ) );
 720                                 }
 721                                 else if( EbmlId( *el4 ) == KaxVideoPixelWidth::ClassInfos.GlobalId )
 722                                 {
 723                                     KaxVideoPixelWidth &vwidth = *(KaxVideoPixelWidth*)el4;
 724                                     vwidth.ReadData( p_sys->es->I_O() );
 725
 726                                     tk.i_width = uint16( vwidth );
 727                                     msg_Dbg( p_input, "|   |   |   |   + width=%d", uint16( vwidth ) );
 728                                 }
 729                                 else if( EbmlId( *el4 ) == KaxVideoPixelHeight::ClassInfos.GlobalId )
 730                                 {
 731                                     KaxVideoPixelWidth &vheight = *(KaxVideoPixelWidth*)el4;
 732                                     vheight.ReadData( p_sys->es->I_O() );
 733
 734                                     tk.i_height = uint16( vheight );
 735                                     msg_Dbg( p_input, "|   |   |   |   + height=%d", uint16( vheight ) );
 736                                 }
 737                                 else if( EbmlId( *el4 ) == KaxVideoDisplayWidth::ClassInfos.GlobalId )
 738                                 {
 739                                     KaxVideoDisplayWidth &vwidth = *(KaxVideoDisplayWidth*)el4;
 740                                     vwidth.ReadData( p_sys->es->I_O() );
 741
 742                                     tk.i_display_width = uint16( vwidth );
 743                                     msg_Dbg( p_input, "|   |   |   |   + display width=%d", uint16( vwidth ) );
 744                                 }
 745                                 else if( EbmlId( *el4 ) == KaxVideoDisplayHeight::ClassInfos.GlobalId )
 746                                 {
 747                                     KaxVideoDisplayWidth &vheight = *(KaxVideoDisplayWidth*)el4;
 748                                     vheight.ReadData( p_sys->es->I_O() );
 749
 750                                     tk.i_display_height = uint16( vheight );
 751                                     msg_Dbg( p_input, "|   |   |   |   + display height=%d", uint16( vheight ) );
 752                                 }
 753                                 else if( EbmlId( *el4 ) == KaxVideoFrameRate::ClassInfos.GlobalId )
 754                                 {
 755                                     KaxVideoFrameRate &vfps = *(KaxVideoFrameRate*)el4;
 756                                     vfps.ReadData( p_sys->es->I_O() );
 757
 758                                     tk.f_fps = float( vfps );
 759                                     msg_Dbg( p_input, "   |   |   |   + fps=%f", float( vfps ) );
 760                                 }
 761                                 else if( EbmlId( *el4 ) == KaxVideoDisplayUnit::ClassInfos.GlobalId )
 762                                 {
 763                                      KaxVideoDisplayUnit &vdmode = *(KaxVideoDisplayUnit*)el4;
 764                                     vdmode.ReadData( p_sys->es->I_O() );
 765
 766                                     msg_Dbg( p_input, "|   |   |   |   + Track Video Display Unit=%s",
 767                                              uint8( vdmode ) == 0 ? "pixels" : ( uint8( vdmode ) == 1 ? "centimeters": "inches" ) );
 768                                 }
 769                                 else if( EbmlId( *el4 ) == KaxVideoAspectRatio::ClassInfos.GlobalId )
 770                                 {
 771                                     KaxVideoAspectRatio &ratio = *(KaxVideoAspectRatio*)el4;
 772                                     ratio.ReadData( p_sys->es->I_O() );
 773
 774                                     msg_Dbg( p_input, "   |   |   |   + Track Video Aspect Ratio Type=%u", uint8( ratio ) );
 775                                 }
 776                                 else if( EbmlId( *el4 ) == KaxVideoGamma::ClassInfos.GlobalId )
 777                                 {
 778                                     KaxVideoGamma &gamma = *(KaxVideoGamma*)el4;
 779                                     gamma.ReadData( p_sys->es->I_O() );
 780
 781                                     msg_Dbg( p_input, "   |   |   |   + fps=%f", float( gamma ) );
 782                                 }
 783                                 else
 784                                 {
 785                                     msg_Dbg( p_input, "|   |   |   |   + Unknown (%s)", typeid(*el4).name() );
 786                                 }
 787                             }
 788                             p_sys->ep->Up();
 789                         }
 790                         else  if( EbmlId( *el3 ) == KaxTrackAudio::ClassInfos.GlobalId )
 791                         {
 792                             msg_Dbg( p_input, "|   |   |   + Track Audio" );
 793                             tk.i_channels = 0;
 794                             tk.i_samplerate = 0;
 795                             tk.i_bitspersample = 0;
 796
 797                             p_sys->ep->Down();
 798
 799                             while( ( el4 = p_sys->ep->Get() ) != NULL )
 800                             {
 801                                 if( EbmlId( *el4 ) == KaxAudioSamplingFreq::ClassInfos.GlobalId )
 802                                 {
 803                                     KaxAudioSamplingFreq &afreq = *(KaxAudioSamplingFreq*)el4;
 804                                     afreq.ReadData( p_sys->es->I_O() );
 805
 806                                     tk.i_samplerate = (int)float( afreq );
 807                                     msg_Dbg( p_input, "|   |   |   |   + afreq=%d", tk.i_samplerate );
 808                                 }
 809                                 else if( EbmlId( *el4 ) == KaxAudioChannels::ClassInfos.GlobalId )
 810                                 {
 811                                     KaxAudioChannels &achan = *(KaxAudioChannels*)el4;
 812                                     achan.ReadData( p_sys->es->I_O() );
 813
 814                                     tk.i_channels = uint8( achan );
 815                                     msg_Dbg( p_input, "|   |   |   |   + achan=%u", uint8( achan ) );
 816                                 }
 817                                 else if( EbmlId( *el4 ) == KaxAudioBitDepth::ClassInfos.GlobalId )
 818                                 {
 819                                     KaxAudioBitDepth &abits = *(KaxAudioBitDepth*)el4;
 820                                     abits.ReadData( p_sys->es->I_O() );
 821
 822                                     tk.i_bitspersample = uint8( abits );
 823                                     msg_Dbg( p_input, "|   |   |   |   + abits=%u", uint8( abits ) );
 824                                 }
 825                                 else
 826                                 {
 827                                     msg_Dbg( p_input, "|   |   |   |   + Unknown (%s)", typeid(*el4).name() );
 828                                 }
 829                             }
 830                             p_sys->ep->Up();
 831                         }
 832                         else
 833                         {
 834                             msg_Dbg( p_input, "|   |   |   + Unknown (%s)", typeid(*el3).name() );
 835                         }
 836                     }
 837                     p_sys->ep->Up();
 838                 }
 839                 else
 840                 {
 841                     msg_Dbg( p_input, "|   |   + Unknown (%s)", typeid(*el2).name() );
 842                 }
 843 #undef tk
 844             }
 845             p_sys->ep->Up();
 846         }
 847         else if( EbmlId( *el1 ) == KaxSeekHead::ClassInfos.GlobalId )
 848         {
 849             msg_Dbg( p_input, "|   + Seek head" );
 850             p_sys->ep->Down();
 851             while( ( el = p_sys->ep->Get() ) != NULL )
 852             {
 853                 if( EbmlId( *el ) == KaxSeek::ClassInfos.GlobalId )
 854                 {
 855                     EbmlId id = EbmlVoid::ClassInfos.GlobalId;
 856                     int64_t i_pos = -1;
 857
 858                     //msg_Dbg( p_input, "|   |   + Seek" );
 859                     p_sys->ep->Down();
 860                     while( ( el = p_sys->ep->Get() ) != NULL )
 861                     {
 862                         if( EbmlId( *el ) == KaxSeekID::ClassInfos.GlobalId )
 863                         {
 864                             KaxSeekID &sid = *(KaxSeekID*)el;
 865
 866                             sid.ReadData( p_sys->es->I_O() );
 867
 868                             id = EbmlId( sid.GetBuffer(), sid.GetSize() );
 869                         }
 870                         else  if( EbmlId( *el ) == KaxSeekPosition::ClassInfos.GlobalId )
 871                         {
 872                             KaxSeekPosition &spos = *(KaxSeekPosition*)el;
 873
 874                             spos.ReadData( p_sys->es->I_O() );
 875
 876                             i_pos = uint64( spos );
 877                         }
 878                         else
 879                         {
 880                             msg_Dbg( p_input, "|   |   |   + Unknown (%s)", typeid(*el).name() );
 881                         }
 882                     }
 883                     p_sys->ep->Up();
 884
 885                     if( i_pos >= 0 )
 886                     {
 887                         if( id == KaxCues::ClassInfos.GlobalId )
 888                         {
 889                             msg_Dbg( p_input, "|   |   |   = cues at "I64Fd, i_pos );
 890                             p_sys->i_cues_position = p_sys->segment->GetGlobalPosition( i_pos );
 891                         }
 892                         else if( id == KaxChapters::ClassInfos.GlobalId )
 893                         {
 894                             msg_Dbg( p_input, "|   |   |   = chapters at "I64Fd, i_pos );
 895                             p_sys->i_chapters_position = p_sys->segment->GetGlobalPosition( i_pos );
 896                         }
 897                         else if( id == KaxTags::ClassInfos.GlobalId )
 898                         {
 899                             msg_Dbg( p_input, "|   |   |   = tags at "I64Fd, i_pos );
 900                             p_sys->i_tags_position = p_sys->segment->GetGlobalPosition( i_pos );
 901                         }
 902
 903                     }
 904                 }
 905                 else
 906                 {
 907                     msg_Dbg( p_input, "|   |   + Unknown (%s)", typeid(*el).name() );
 908                 }
 909             }
 910             p_sys->ep->Up();
 911         }
 912         else if( EbmlId( *el1 ) == KaxCues::ClassInfos.GlobalId )
 913         {
 914             msg_Dbg( p_input, "|   + Cues" );
 915         }
 916         else if( EbmlId( *el1 ) == KaxCluster::ClassInfos.GlobalId )
 917         {
 918             msg_Dbg( p_input, "|   + Cluster" );
 919
 920             p_sys->cluster = (KaxCluster*)el1;
 921
 922             p_sys->ep->Down();
 923             /* stop parsing the stream */
 924             break;
 925         }
 926 #ifdef HAVE_MATROSKA_KAXATTACHMENTS_H
 927         else if( EbmlId( *el1 ) == KaxAttachments::ClassInfos.GlobalId )
 928 #else
 929         else if( EbmlId( *el1 ) == KaxAttachements::ClassInfos.GlobalId )
 930 #endif
 931         {
 932             msg_Dbg( p_input, "|   + Attachments FIXME TODO (but probably never supported)" );
 933         }
 934         else if( EbmlId( *el1 ) == KaxChapters::ClassInfos.GlobalId )
 935         {
 936             msg_Dbg( p_input, "|   + Chapters FIXME TODO" );
 937         }
 938         else if( EbmlId( *el1 ) == KaxTag::ClassInfos.GlobalId )
 939         {
 940             msg_Dbg( p_input, "|   + Tags FIXME TODO" );
 941         }
 942         else
 943         {
 944             msg_Dbg( p_input, "|   + Unknown (%s)", typeid(*el1).name() );
 945         }
 946     }
 947
 948     if( p_sys->cluster == NULL )
 949     {
 950         msg_Err( p_input, "cannot find any cluster, damaged file ?" );
 951         goto error;
 952     }
 953
 954     if( p_sys->i_chapters_position >= 0 )
 955     {
 956         msg_Warn( p_input, "chapters unsupported" );
 957     }
 958
 959     /* *** Load the cue if found *** */
 960     if( p_sys->i_cues_position >= 0 && p_input->stream.b_seekable )
 961     {
 962         LoadCues( p_input );
 963     }
 964
 965     if( !p_sys->b_cues || p_sys->i_index <= 0 )
 966     {
 967         msg_Warn( p_input, "no cues/empty cues found -> seek won't be precise" );
 968
 969         IndexAppendCluster( p_input, p_sys->cluster );
 970
 971         p_sys->b_cues = VLC_FALSE;
 972     }
 973
 974     /* Create one program */
 975     vlc_mutex_lock( &p_input->stream.stream_lock );
 976     if( input_InitStream( p_input, 0 ) == -1)
 977     {
 978         vlc_mutex_unlock( &p_input->stream.stream_lock );
 979         msg_Err( p_input, "cannot init stream" );
 980         goto error;
 981     }
 982     if( input_AddProgram( p_input, 0, 0) == NULL )
 983     {
 984         vlc_mutex_unlock( &p_input->stream.stream_lock );
 985         msg_Err( p_input, "cannot add program" );
 986         goto error;
 987     }
 988     p_input->stream.p_selected_program = p_input->stream.pp_programs[0];
 989     if( p_sys->f_duration > 1001.0 )
 990     {
 991         mtime_t i_duration = (mtime_t)( p_sys->f_duration / 1000.0 );
 992         p_input->stream.i_mux_rate = p_input->stream.p_selected_area->i_size / 50 / i_duration;
 993     }
 994     else
 995     {
 996         p_input->stream.i_mux_rate = 0;
 997     }
 998     vlc_mutex_unlock( &p_input->stream.stream_lock );
 999
1000     /* add all es */
1001     msg_Dbg( p_input, "found %d es", p_sys->i_track );
1002     for( i_track = 0; i_track < p_sys->i_track; i_track++ )
1003     {
1004 #define tk  p_sys->track[i_track]
1005         if( tk.i_cat == UNKNOWN_ES )
1006         {
1007             msg_Warn( p_input, "invalid track[%d, n=%d]", i_track, tk.i_number );
1008             tk.p_es = NULL;
1009             continue;
1010         }
1011         tk.p_es = input_AddES( p_input,
1012                                p_input->stream.p_selected_program,
1013                                i_track + 1,
1014                                tk.i_cat,
1015                                tk.psz_language, 0 );
1016         if( !strcmp( tk.psz_codec, "V_MS/VFW/FOURCC" ) )
1017         {
1018             if( tk.i_extra_data < (int)sizeof( BITMAPINFOHEADER ) )
1019             {
1020                 msg_Err( p_input, "missing/invalid BITMAPINFOHEADER" );
1021                 tk.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
1022             }
1023             else
1024             {
1025                 BITMAPINFOHEADER *p_bih = (BITMAPINFOHEADER*)tk.p_extra_data;
1026
1027                 p_bih->biSize           = GetDWLE( &p_bih->biSize );
1028                 p_bih->biWidth          = GetDWLE( &p_bih->biWidth );
1029                 p_bih->biHeight         = GetDWLE( &p_bih->biHeight );
1030                 p_bih->biPlanes         = GetWLE( &p_bih->biPlanes );
1031                 p_bih->biBitCount       = GetWLE( &p_bih->biBitCount );
1032                 p_bih->biCompression    = GetFOURCC( &p_bih->biCompression );
1033                 p_bih->biSizeImage      = GetDWLE( &p_bih->biSizeImage );
1034                 p_bih->biXPelsPerMeter  = GetDWLE( &p_bih->biXPelsPerMeter );
1035                 p_bih->biYPelsPerMeter  = GetDWLE( &p_bih->biYPelsPerMeter );
1036                 p_bih->biClrUsed        = GetDWLE( &p_bih->biClrUsed );
1037                 p_bih->biClrImportant   = GetDWLE( &p_bih->biClrImportant );
1038
1039
1040                 tk.i_codec = p_bih->biCompression;
1041                 tk.p_es->p_bitmapinfoheader = p_bih;
1042             }
1043         }
1044         else if( !strcmp( tk.psz_codec, "V_MPEG1" ) ||
1045                  !strcmp( tk.psz_codec, "V_MPEG2" ) )
1046         {
1047             tk.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'v' );
1048         }
1049         else if( !strncmp( tk.psz_codec, "V_MPEG4", 7 ) )
1050         {
1051             BITMAPINFOHEADER *p_bih;
1052
1053             tk.i_extra_data = sizeof( BITMAPINFOHEADER );
1054             tk.p_extra_data = (uint8_t*)malloc( tk.i_extra_data );
1055
1056             p_bih = (BITMAPINFOHEADER*)tk.p_extra_data;
1057             memset( p_bih, 0, sizeof( BITMAPINFOHEADER ) );
1058             p_bih->biSize  = sizeof( BITMAPINFOHEADER );
1059             p_bih->biWidth = tk.i_width;
1060             p_bih->biHeight= tk.i_height;
1061
1062             if( !strcmp( tk.psz_codec, "V_MPEG4/MS/V3" ) )
1063             {
1064                 tk.i_codec = VLC_FOURCC( 'D', 'I', 'V', '3' );
1065             }
1066             else
1067             {
1068                 tk.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' );
1069             }
1070         }
1071         else if( !strcmp( tk.psz_codec, "A_MS/ACM" ) )
1072         {
1073             if( tk.i_extra_data < (int)sizeof( WAVEFORMATEX ) )
1074             {
1075                 msg_Err( p_input, "missing/invalid WAVEFORMATEX" );
1076                 tk.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
1077             }
1078             else
1079             {
1080                 WAVEFORMATEX *p_wf = (WAVEFORMATEX*)tk.p_extra_data;
1081
1082                 p_wf->wFormatTag        = GetWLE( &p_wf->wFormatTag );
1083                 p_wf->nChannels         = GetWLE( &p_wf->nChannels );
1084                 p_wf->nSamplesPerSec    = GetDWLE( &p_wf->nSamplesPerSec );
1085                 p_wf->nAvgBytesPerSec   = GetDWLE( &p_wf->nAvgBytesPerSec );
1086                 p_wf->nBlockAlign       = GetWLE( &p_wf->nBlockAlign );
1087                 p_wf->wBitsPerSample    = GetWLE( &p_wf->wBitsPerSample );
1088                 p_wf->cbSize            = GetWLE( &p_wf->cbSize );
1089
1090                 wf_tag_to_fourcc( p_wf->wFormatTag, &tk.i_codec, NULL );
1091                 tk.p_es->p_waveformatex = p_wf;
1092             }
1093         }
1094         else if( !strcmp( tk.psz_codec, "A_MPEG/L3" ) ||
1095                  !strcmp( tk.psz_codec, "A_MPEG/L2" ) ||
1096                  !strcmp( tk.psz_codec, "A_MPEG/L1" ) )
1097         {
1098             tk.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' );
1099         }
1100         else if( !strcmp( tk.psz_codec, "A_AC3" ) )
1101         {
1102             tk.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' );
1103         }
1104         else if( !strcmp( tk.psz_codec, "A_DTS" ) )
1105         {
1106             tk.i_codec = VLC_FOURCC( 'd', 't', 's', ' ' );
1107         }
1108         else if( !strcmp( tk.psz_codec, "A_VORBIS" ) )
1109         {
1110             tk.i_codec = VLC_FOURCC( 'v', 'o', 'r', 'b' );
1111             tk.i_data_init = tk.i_extra_data;
1112             tk.p_data_init = tk.p_extra_data;
1113         }
1114         else if( !strncmp( tk.psz_codec, "A_AAC/MPEG2/", strlen( "A_AAC/MPEG2/" ) ) ||
1115                  !strncmp( tk.psz_codec, "A_AAC/MPEG4/", strlen( "A_AAC/MPEG4/" ) ) )
1116         {
1117             int i_profile, i_srate;
1118             static int i_sample_rates[] =
1119             {
1120                     96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050,
1121                         16000, 12000, 11025, 8000,  7350,  0,     0,     0
1122             };
1123             WAVEFORMATEX *p_wf;
1124
1125             tk.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
1126             /* create data for faad (MP4DecSpecificDescrTag)*/
1127
1128             if( !strcmp( &tk.psz_codec[12], "MAIN" ) )
1129             {
1130                 i_profile = 0;
1131             }
1132             else if( !strcmp( &tk.psz_codec[12], "LC" ) )
1133             {
1134                 i_profile = 1;
1135             }
1136             else if( !strcmp( &tk.psz_codec[12], "SSR" ) )
1137             {
1138                 i_profile = 2;
1139             }
1140             else
1141             {
1142                 i_profile = 3;
1143             }
1144
1145             for( i_srate = 0; i_srate < 13; i_srate++ )
1146             {
1147                 if( i_sample_rates[i_srate] == tk.i_samplerate )
1148                 {
1149                     break;
1150                 }
1151             }
1152             msg_Dbg( p_input, "profile=%d srate=%d", i_profile, i_srate );
1153
1154             tk.i_extra_data = sizeof( WAVEFORMATEX ) + 2;
1155             tk.p_extra_data = (uint8_t*)malloc( tk.i_extra_data );
1156             p_wf = (WAVEFORMATEX*)tk.p_extra_data;
1157
1158             p_wf->wFormatTag = WAVE_FORMAT_UNKNOWN;
1159             p_wf->nChannels  = tk.i_channels;
1160             p_wf->nSamplesPerSec = tk.i_samplerate;
1161             p_wf->nAvgBytesPerSec = 0;
1162             p_wf->nBlockAlign = 0;
1163             p_wf->wBitsPerSample = 0;
1164             p_wf->cbSize = 2;
1165
1166             tk.p_extra_data[sizeof( WAVEFORMATEX )+ 0] = ((i_profile + 1) << 3) | ((i_srate&0xe) >> 1);
1167             tk.p_extra_data[sizeof( WAVEFORMATEX )+ 1] = ((i_srate & 0x1) << 7) | (tk.i_channels << 3);
1168
1169             tk.p_es->p_waveformatex = p_wf;
1170         }
1171         else if( !strcmp( tk.psz_codec, "A_PCM/INT/BIG" ) ||
1172                  !strcmp( tk.psz_codec, "A_PCM/INT/LIT" ) ||
1173                  !strcmp( tk.psz_codec, "A_PCM/FLOAT/IEEE" ) )
1174         {
1175             WAVEFORMATEX *p_wf;
1176
1177             tk.i_extra_data = sizeof( WAVEFORMATEX );
1178             tk.p_extra_data = (uint8_t*)malloc( tk.i_extra_data );
1179
1180             p_wf = (WAVEFORMATEX*)tk.p_extra_data;
1181
1182             if( !strncmp( &tk.psz_codec[6], "INT", 3 ) )
1183             {
1184                 p_wf->wFormatTag = WAVE_FORMAT_PCM;
1185             }
1186             else
1187             {
1188                 p_wf->wFormatTag = WAVE_FORMAT_IEEE_FLOAT;
1189             }
1190             p_wf->nChannels  = tk.i_channels;
1191             p_wf->nSamplesPerSec = tk.i_samplerate;
1192             p_wf->nAvgBytesPerSec = 0;
1193             p_wf->nBlockAlign = ( tk.i_bitspersample + 7 ) / 8 * tk.i_channels;
1194             p_wf->wBitsPerSample = tk.i_bitspersample;
1195             p_wf->cbSize = 0;
1196
1197             tk.p_es->p_waveformatex = p_wf;
1198
1199             if( !strcmp( tk.psz_codec, "A_PCM/INT/BIG" ) )
1200             {
1201                 tk.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
1202             }
1203             else
1204             {
1205                 tk.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
1206             }
1207         }
1208         else if( !strcmp( tk.psz_codec, "S_TEXT/UTF8" ) )
1209         {
1210             tk.i_codec = VLC_FOURCC( 's', 'u', 'b', 't' );
1211         }
1212 #if 0
1213         else if( !strcmp( tk.psz_codec, "S_TEXT/SSA" ) )
1214         {
1215             tk.i_codec = VLC_FOURCC( 's', 'u', 'b', 't' );
1216         }
1217 #endif
1218         else
1219         {
1220             msg_Err( p_input, "unknow codec id=`%s'", tk.psz_codec );
1221             tk.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
1222         }
1223
1224         tk.p_es->i_fourcc = tk.i_codec;
1225 #undef tk
1226     }
1227
1228     /* select track all video, one audio, no spu TODO : improve */
1229     b_audio_selected = VLC_FALSE;
1230     i_audio_channel = 0;
1231     i_spu_channel = 0;
1232     for( i_track = 0; i_track < p_sys->i_track; i_track++ )
1233     {
1234 #define tk  p_sys->track[i_track]
1235         switch( tk.i_cat )
1236         {
1237             case VIDEO_ES:
1238                 vlc_mutex_lock( &p_input->stream.stream_lock );
1239                 input_SelectES( p_input, tk.p_es );
1240                 vlc_mutex_unlock( &p_input->stream.stream_lock );
1241                 break;
1242
1243             case AUDIO_ES:
1244                 if( ( !b_audio_selected && config_GetInt( p_input, "audio-channel" ) < 0 ) ||
1245                     i_audio_channel == config_GetInt( p_input, "audio-channel" ) )
1246                 {
1247                     vlc_mutex_lock( &p_input->stream.stream_lock );
1248                     input_SelectES( p_input, tk.p_es );
1249                     vlc_mutex_unlock( &p_input->stream.stream_lock );
1250
1251                     b_audio_selected = tk.p_es->p_decoder_fifo ? VLC_TRUE : VLC_FALSE;
1252                 }
1253                 i_audio_channel++;
1254                 break;
1255             case SPU_ES:
1256                 if( i_spu_channel == config_GetInt( p_input, "spu-channel" ) )
1257                 {
1258                     vlc_mutex_lock( &p_input->stream.stream_lock );
1259                     input_SelectES( p_input, tk.p_es );
1260                     vlc_mutex_unlock( &p_input->stream.stream_lock );
1261                 }
1262                 i_spu_channel++;
1263                 break;
1264         }
1265 #undef tk
1266     }
1267
1268     if( !b_audio_selected )
1269     {
1270         msg_Warn( p_input, "cannot find/select audio track" );
1271     }
1272
1273     /* add informations */
1274     InformationsCreate( p_input );
1275
1276     return VLC_SUCCESS;
1277
1278 error:
1279     delete p_sys->es;
1280     delete p_sys->in;
1281     free( p_sys );
1282     return VLC_EGENERIC;
1283 }
1284
1285 /*****************************************************************************
1286  * Deactivate: frees unused data
1287  *****************************************************************************/
1288 static void Deactivate( vlc_object_t *p_this )
1289 {
1290     input_thread_t *p_input = (input_thread_t *)p_this;
1291     demux_sys_t    *p_sys   = p_input->p_demux_data;
1292
1293     int             i_track;
1294
1295     for( i_track = 0; i_track < p_sys->i_track; i_track++ )
1296     {
1297 #define tk  p_sys->track[i_track]
1298         if( tk.psz_codec )
1299         {
1300             free( tk.psz_codec );
1301         }
1302         if( tk.psz_language )
1303         {
1304             free( tk.psz_language );
1305         }
1306 #undef tk
1307     }
1308     free( p_sys->track );
1309
1310     if( p_sys->psz_writing_application  )
1311     {
1312         free( p_sys->psz_writing_application );
1313     }
1314     if( p_sys->psz_muxing_application  )
1315     {
1316         free( p_sys->psz_muxing_application );
1317     }
1318
1319     delete p_sys->segment;
1320
1321     delete p_sys->ep;
1322     delete p_sys->es;
1323     delete p_sys->in;
1324
1325     free( p_sys );
1326 }
1327
1328 static int BlockGet( input_thread_t *p_input, KaxBlock **pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration )
1329 {
1330     demux_sys_t    *p_sys   = p_input->p_demux_data;
1331
1332     *pp_block = NULL;
1333     *pi_ref1  = -1;
1334     *pi_ref2  = -1;
1335
1336     for( ;; )
1337     {
1338         EbmlElement *el;
1339         int         i_level;
1340
1341         if( p_input->b_die )
1342         {
1343             return VLC_EGENERIC;
1344         }
1345
1346         el = p_sys->ep->Get();
1347         i_level = p_sys->ep->GetLevel();
1348
1349         if( el == NULL && *pp_block != NULL )
1350         {
1351             /* update the index */
1352 #define idx p_sys->index[p_sys->i_index - 1]
1353             if( p_sys->i_index > 0 && idx.i_time == -1 )
1354             {
1355                 idx.i_time        = (*pp_block)->GlobalTimecode() * (mtime_t) 1000 / p_sys->i_timescale;
1356                 idx.b_key         = *pi_ref1 == -1 ? VLC_TRUE : VLC_FALSE;
1357             }
1358 #undef idx
1359             return VLC_SUCCESS;
1360         }
1361
1362         if( el == NULL )
1363         {
1364             if( p_sys->ep->GetLevel() > 1 )
1365             {
1366                 p_sys->ep->Up();
1367                 continue;
1368             }
1369             msg_Warn( p_input, "EOF" );
1370             return VLC_EGENERIC;
1371         }
1372
1373         /* do parsing */
1374         if( i_level == 1 )
1375         {
1376             if( EbmlId( *el ) == KaxCluster::ClassInfos.GlobalId )
1377             {
1378                 p_sys->cluster = (KaxCluster*)el;
1379
1380                 /* add it to the index */
1381                 if( p_sys->i_index == 0 ||
1382                     ( p_sys->i_index > 0 && p_sys->index[p_sys->i_index - 1].i_position < (int64_t)p_sys->cluster->GetElementPosition() ) )
1383                 {
1384                     IndexAppendCluster( p_input, p_sys->cluster );
1385                 }
1386
1387                 p_sys->ep->Down();
1388             }
1389             else if( EbmlId( *el ) == KaxCues::ClassInfos.GlobalId )
1390             {
1391                 msg_Warn( p_input, "find KaxCues FIXME" );
1392                 return VLC_EGENERIC;
1393             }
1394             else
1395             {
1396                 msg_Dbg( p_input, "unknown (%s)", typeid( el ).name() );
1397             }
1398         }
1399         else if( i_level == 2 )
1400         {
1401             if( EbmlId( *el ) == KaxClusterTimecode::ClassInfos.GlobalId )
1402             {
1403                 KaxClusterTimecode &ctc = *(KaxClusterTimecode*)el;
1404
1405                 ctc.ReadData( p_sys->es->I_O() );
1406                 p_sys->cluster->InitTimecode( uint64( ctc ), p_sys->i_timescale );
1407             }
1408             else if( EbmlId( *el ) == KaxBlockGroup::ClassInfos.GlobalId )
1409             {
1410                 p_sys->ep->Down();
1411             }
1412         }
1413         else if( i_level == 3 )
1414         {
1415             if( EbmlId( *el ) == KaxBlock::ClassInfos.GlobalId )
1416             {
1417                 *pp_block = (KaxBlock*)el;
1418
1419                 (*pp_block)->ReadData( p_sys->es->I_O() );
1420                 (*pp_block)->SetParent( *p_sys->cluster );
1421
1422                 p_sys->ep->Keep();
1423             }
1424             else if( EbmlId( *el ) == KaxBlockDuration::ClassInfos.GlobalId )
1425             {
1426                 KaxBlockDuration &dur = *(KaxBlockDuration*)el;
1427
1428                 dur.ReadData( p_sys->es->I_O() );
1429                 *pi_duration = uint64( dur );
1430             }
1431             else if( EbmlId( *el ) == KaxReferenceBlock::ClassInfos.GlobalId )
1432             {
1433                 KaxReferenceBlock &ref = *(KaxReferenceBlock*)el;
1434
1435                 ref.ReadData( p_sys->es->I_O() );
1436                 if( *pi_ref1 == -1 )
1437                 {
1438                     *pi_ref1 = int64( ref );
1439                 }
1440                 else
1441                 {
1442                     *pi_ref2 = int64( ref );
1443                 }
1444             }
1445         }
1446         else
1447         {
1448             msg_Err( p_input, "invalid level = %d", i_level );
1449             return VLC_EGENERIC;
1450         }
1451     }
1452 }
1453
1454 static pes_packet_t *MemToPES( input_thread_t *p_input, uint8_t *p_mem, int i_mem )
1455 {
1456     pes_packet_t *p_pes;
1457     data_packet_t *p_data;
1458
1459     if( ( p_pes = input_NewPES( p_input->p_method_data ) ) == NULL )
1460     {
1461         return NULL;
1462     }
1463
1464     p_data = input_NewPacket( p_input->p_method_data, i_mem);
1465
1466     memcpy( p_data->p_payload_start, p_mem, i_mem );
1467     p_data->p_payload_end = p_data->p_payload_start + i_mem;
1468
1469     p_pes->p_first = p_pes->p_last = p_data;
1470     p_pes->i_nb_data = 1;
1471     p_pes->i_pes_size = i_mem;
1472
1473     return p_pes;
1474 }
1475
1476 static void BlockDecode( input_thread_t *p_input, KaxBlock *block, mtime_t i_pts, mtime_t i_duration )
1477 {
1478     demux_sys_t    *p_sys   = p_input->p_demux_data;
1479
1480     int             i_track;
1481     unsigned int    i;
1482
1483 #define tk  p_sys->track[i_track]
1484     for( i_track = 0; i_track < p_sys->i_track; i_track++ )
1485     {
1486         if( tk.i_number == block->TrackNum() )
1487         {
1488             break;
1489         }
1490     }
1491
1492     if( i_track >= p_sys->i_track )
1493     {
1494         msg_Err( p_input, "invalid track number=%d", block->TrackNum() );
1495         return;
1496     }
1497
1498     if( tk.p_es->p_decoder_fifo == NULL )
1499     {
1500         tk.b_inited = VLC_FALSE;
1501         return;
1502     }
1503
1504     if( tk.i_cat == AUDIO_ES && p_input->stream.control.b_mute )
1505     {
1506         return;
1507     }
1508
1509     /* First send init data */
1510     if( !tk.b_inited && tk.i_data_init > 0 )
1511     {
1512         pes_packet_t *p_init;
1513
1514         msg_Dbg( p_input, "sending header (%d bytes)", tk.i_data_init );
1515
1516         if( tk.i_codec == VLC_FOURCC( 'v', 'o', 'r', 'b' ) )
1517         {
1518             int i;
1519             int i_offset = 1;
1520             int i_size[3];
1521
1522             /* XXX hack split the 3 headers */
1523             if( tk.p_data_init[0] != 0x02 )
1524             {
1525                 msg_Err( p_input, "invalid vorbis header" );
1526             }
1527
1528             for( i = 0; i < 2; i++ )
1529             {
1530                 i_size[i] = 0;
1531                 while( i_offset < tk.i_data_init )
1532                 {
1533                     i_size[i] += tk.p_data_init[i_offset];
1534                     if( tk.p_data_init[i_offset++] != 0xff )
1535                     {
1536                         break;
1537                     }
1538                 }
1539             }
1540             i_size[0] = __MIN( i_size[0], tk.i_data_init - i_offset );
1541             i_size[1] = __MIN( i_size[1], tk.i_data_init - i_offset - i_size[0] );
1542             i_size[2] = tk.i_data_init - i_offset - i_size[0] - i_size[1];
1543
1544             p_init = MemToPES( p_input, &tk.p_data_init[i_offset], i_size[0] );
1545             if( p_init )
1546             {
1547                 input_DecodePES( tk.p_es->p_decoder_fifo, p_init );
1548             }
1549             p_init = MemToPES( p_input, &tk.p_data_init[i_offset+i_size[0]], i_size[1] );
1550             if( p_init )
1551             {
1552                 input_DecodePES( tk.p_es->p_decoder_fifo, p_init );
1553             }
1554             p_init = MemToPES( p_input, &tk.p_data_init[i_offset+i_size[0]+i_size[1]], i_size[2] );
1555             if( p_init )
1556             {
1557                 input_DecodePES( tk.p_es->p_decoder_fifo, p_init );
1558             }
1559         }
1560         else
1561         {
1562             p_init = MemToPES( p_input, tk.p_data_init, tk.i_data_init );
1563             if( p_init )
1564             {
1565                 input_DecodePES( tk.p_es->p_decoder_fifo, p_init );
1566             }
1567         }
1568     }
1569     tk.b_inited = VLC_TRUE;
1570
1571
1572     for( i = 0; i < block->NumberFrames(); i++ )
1573     {
1574         pes_packet_t *p_pes;
1575         DataBuffer &data = block->GetBuffer(i);
1576
1577         p_pes = MemToPES( p_input, data.Buffer(), data.Size() );
1578         if( p_pes == NULL )
1579         {
1580             break;
1581         }
1582
1583         p_pes->i_pts = i_pts;
1584         p_pes->i_dts = i_pts;
1585
1586         if( tk.i_cat == SPU_ES )
1587         {
1588             if( i_duration > 0 )
1589             {
1590                 /* FIXME not sure about that */
1591                 p_pes->i_dts += i_duration * 1000;// * (mtime_t) 1000 / p_sys->i_timescale;
1592             }
1593             else
1594             {
1595                 p_pes->i_dts = 0;
1596             }
1597             if( p_pes->p_first && p_pes->i_pes_size > 0 )
1598             {
1599                 p_pes->p_first->p_payload_end[-1] = '\0';
1600             }
1601         }
1602
1603         input_DecodePES( tk.p_es->p_decoder_fifo, p_pes );
1604
1605         /* use time stamp only for first block */
1606         i_pts = 0;
1607     }
1608
1609 #undef tk
1610 }
1611
1612 static void Seek( input_thread_t *p_input, mtime_t i_date, int i_percent)
1613 {
1614     demux_sys_t    *p_sys   = p_input->p_demux_data;
1615
1616     KaxBlock    *block;
1617     int64_t     i_block_duration;
1618     int64_t     i_block_ref1;
1619     int64_t     i_block_ref2;
1620
1621     int         i_index;
1622     int         i_track_skipping;
1623     int         i_track;
1624
1625     msg_Dbg( p_input, "seek request to "I64Fd" (%d%%)", i_date, i_percent );
1626     if( i_date < 0 && i_percent < 0 )
1627     {
1628         return;
1629     }
1630
1631     delete p_sys->ep;
1632     p_sys->ep = new EbmlParser( p_sys->es, p_sys->segment );
1633     p_sys->cluster = NULL;
1634
1635     /* seek without index or without date */
1636     if( config_GetInt( p_input, "mkv-seek-percent" ) || !p_sys->b_cues || i_date < 0 )
1637     {
1638         int64_t i_pos = i_percent * p_input->stream.p_selected_area->i_size / 100;
1639
1640         msg_Dbg( p_input, "imprecise way of seeking" );
1641         for( i_index = 0; i_index < p_sys->i_index; i_index++ )
1642         {
1643             if( p_sys->index[i_index].i_position >= i_pos)
1644             {
1645                 break;
1646             }
1647         }
1648         if( i_index == p_sys->i_index )
1649         {
1650             i_index--;
1651         }
1652
1653         p_sys->in->setFilePointer( p_sys->index[i_index].i_position, seek_beginning );
1654
1655         if( p_sys->index[i_index].i_position < i_pos )
1656         {
1657             EbmlElement *el;
1658
1659             msg_Warn( p_input, "searching for cluster, could take some time" );
1660
1661             /* search a cluster */
1662             while( ( el = p_sys->ep->Get() ) != NULL )
1663             {
1664                 if( EbmlId( *el ) == KaxCluster::ClassInfos.GlobalId )
1665                 {
1666                     KaxCluster *cluster = (KaxCluster*)el;
1667
1668                     /* add it to the index */
1669                     IndexAppendCluster( p_input, cluster );
1670
1671                     if( (int64_t)cluster->GetElementPosition() >= i_pos )
1672                     {
1673                         p_sys->cluster = cluster;
1674                         p_sys->ep->Down();
1675                         break;
1676                     }
1677                 }
1678             }
1679         }
1680     }
1681     else
1682     {
1683         for( i_index = 0; i_index < p_sys->i_index; i_index++ )
1684         {
1685             if( p_sys->index[i_index].i_time >= i_date )
1686             {
1687                 break;
1688             }
1689         }
1690
1691         if( i_index > 0 )
1692         {
1693             i_index--;
1694         }
1695
1696         msg_Dbg( p_input, "seek got "I64Fd" (%d%%)",
1697                  p_sys->index[i_index].i_time, (int)(100 * p_sys->index[i_index].i_position /p_input->stream.p_selected_area->i_size ) );
1698
1699         p_sys->in->setFilePointer( p_sys->index[i_index].i_position, seek_beginning );
1700     }
1701
1702     /* now parse until key frame */
1703 #define tk  p_sys->track[i_track]
1704     i_track_skipping = 0;
1705     for( i_track = 0; i_track < p_sys->i_track; i_track++ )
1706     {
1707         if( tk.i_cat == VIDEO_ES )
1708         {
1709             tk.b_search_keyframe = VLC_TRUE;
1710             i_track_skipping++;
1711         }
1712     }
1713
1714     while( i_track_skipping > 0 )
1715     {
1716         if( BlockGet( p_input, &block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
1717         {
1718             msg_Warn( p_input, "cannot get block EOF?" );
1719
1720             return;
1721         }
1722
1723         p_sys->i_pts = block->GlobalTimecode() * (mtime_t) 1000 / p_sys->i_timescale;
1724
1725         for( i_track = 0; i_track < p_sys->i_track; i_track++ )
1726         {
1727             if( tk.i_number == block->TrackNum() )
1728             {
1729                 break;
1730             }
1731         }
1732
1733         if( i_track < p_sys->i_track )
1734         {
1735             if( tk.i_cat == VIDEO_ES && i_block_ref1 == -1 && tk.b_search_keyframe )
1736             {
1737                 tk.b_search_keyframe = VLC_FALSE;
1738                 i_track_skipping--;
1739             }
1740             if( tk.i_cat == VIDEO_ES && !tk.b_search_keyframe )
1741             {
1742                 BlockDecode( p_input, block, 0, 0 );
1743             }
1744         }
1745
1746         delete block;
1747     }
1748 #undef tk
1749 }
1750
1751 /*****************************************************************************
1752  * Demux: reads and demuxes data packets
1753  *****************************************************************************
1754  * Returns -1 in case of error, 0 in case of EOF, 1 otherwise
1755  *****************************************************************************/
1756 static int Demux( input_thread_t * p_input )
1757 {
1758     demux_sys_t    *p_sys   = p_input->p_demux_data;
1759     mtime_t        i_start_pts;
1760     int            i_block_count = 0;
1761
1762     KaxBlock *block;
1763     int64_t i_block_duration;
1764     int64_t i_block_ref1;
1765     int64_t i_block_ref2;
1766
1767     if( p_input->stream.p_selected_program->i_synchro_state == SYNCHRO_REINIT )
1768     {
1769         mtime_t i_duration = (mtime_t)( p_sys->f_duration / 1000 );
1770         mtime_t i_date = -1;
1771         int i_percent  = -1;
1772
1773         if( i_duration > 0 )
1774         {
1775             i_date = (mtime_t)1000000 *
1776                      (mtime_t)i_duration*
1777                      (mtime_t)p_sys->in->getFilePointer() /
1778                      (mtime_t)p_input->stream.p_selected_area->i_size;
1779         }
1780         if( p_input->stream.p_selected_area->i_size > 0 )
1781         {
1782             i_percent = 100 * p_sys->in->getFilePointer() /
1783                             p_input->stream.p_selected_area->i_size;
1784         }
1785
1786         Seek( p_input, i_date, i_percent);
1787     }
1788
1789     i_start_pts = -1;
1790
1791     for( ;; )
1792     {
1793         mtime_t i_pts;
1794
1795         if( BlockGet( p_input, &block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
1796         {
1797             msg_Warn( p_input, "cannot get block EOF?" );
1798
1799             return 0;
1800         }
1801
1802         p_sys->i_pts = block->GlobalTimecode() * (mtime_t) 1000 / p_sys->i_timescale;
1803
1804         if( p_sys->i_pts > 0 )
1805         {
1806             input_ClockManageRef( p_input,
1807                                   p_input->stream.p_selected_program,
1808                                   p_sys->i_pts * 9 / 100 );
1809         }
1810
1811         i_pts = input_ClockGetTS( p_input,
1812                                   p_input->stream.p_selected_program,
1813                                   p_sys->i_pts * 9 / 100 );
1814
1815
1816
1817         BlockDecode( p_input, block, i_pts, i_block_duration );
1818
1819         delete block;
1820         i_block_count++;
1821
1822         if( i_start_pts == -1 )
1823         {
1824             i_start_pts = p_sys->i_pts;
1825         }
1826         else if( p_sys->i_pts > i_start_pts + (mtime_t)100000 || i_block_count > 5 )
1827         {
1828             return 1;
1829         }
1830     }
1831 }
1832
1833
1834
1835 /*****************************************************************************
1836  * Stream managment
1837  *****************************************************************************/
1838 vlc_stream_io_callback::vlc_stream_io_callback( input_thread_t *p_input_ )
1839 {
1840     p_input = p_input_;
1841     mb_eof = VLC_FALSE;
1842 }
1843 uint32_t vlc_stream_io_callback::read( void *p_buffer, size_t i_size )
1844 {
1845     data_packet_t *p_data;
1846
1847     int i_count;
1848     int i_read = 0;
1849
1850
1851     if( !i_size || mb_eof )
1852     {
1853         return 0;
1854     }
1855
1856     do
1857     {
1858         i_count = input_SplitBuffer(p_input, &p_data, __MIN( i_size, 10240 ) );
1859         if( i_count <= 0 )
1860         {
1861             return i_read;
1862         }
1863         memcpy( p_buffer, p_data->p_payload_start, i_count );
1864         input_DeletePacket( p_input->p_method_data, p_data );
1865
1866         (uint8_t*)p_buffer += i_count;
1867         i_size            -= i_count;
1868         i_read            += i_count;
1869
1870     } while( i_size );
1871
1872     return i_read;
1873 }
1874 void vlc_stream_io_callback::setFilePointer(int64_t i_offset, seek_mode mode )
1875 {
1876     int64_t i_pos;
1877     int64_t i_last;
1878
1879     i_last = getFilePointer();
1880
1881     vlc_mutex_lock( &p_input->stream.stream_lock );
1882     switch( mode )
1883     {
1884         case seek_beginning:
1885             i_pos = i_offset;
1886             break;
1887         case seek_end:
1888             i_pos = p_input->stream.p_selected_area->i_size - i_offset;
1889             break;
1890         default:
1891             i_pos= i_last + i_offset;
1892             break;
1893     }
1894
1895     if( i_pos < 0 ||
1896         ( i_pos > p_input->stream.p_selected_area->i_size && p_input->stream.p_selected_area->i_size != 0 ) )
1897     {
1898         msg_Err( p_input, "seeking to wrong place (i_pos="I64Fd")", i_pos );
1899         vlc_mutex_unlock( &p_input->stream.stream_lock );
1900
1901         mb_eof = VLC_TRUE;
1902         return;
1903     }
1904     vlc_mutex_unlock( &p_input->stream.stream_lock );
1905
1906     mb_eof = VLC_FALSE;
1907
1908     if( i_pos == i_last )
1909     {
1910         return;
1911     }
1912
1913     msg_Dbg( p_input, "####################seek new="I64Fd" old="I64Fd,
1914              i_pos, getFilePointer() );
1915
1916     if( p_input->stream.b_seekable &&
1917         ( /*p_input->stream.i_method == INPUT_METHOD_FILE ||*/ i_pos < i_last || i_pos - i_last > p_input->i_bufsize / 4 ) )
1918     {
1919         input_AccessReinit( p_input );
1920         p_input->pf_seek( p_input, i_pos );
1921     }
1922     else if( i_pos > i_last )
1923     {
1924         data_packet_t   *p_data;
1925         int             i_skip = i_pos - i_last;
1926
1927         if( i_skip > 1024 )
1928         {
1929             msg_Warn( p_input, "will skip %d bytes, slow", i_skip );
1930         }
1931
1932         while (i_skip > 0 )
1933         {
1934             int i_read;
1935
1936             i_read = input_SplitBuffer( p_input, &p_data,
1937                                         __MIN( 4096, i_skip ) );
1938             if( i_read <= 0 )
1939             {
1940                 msg_Err( p_input, "seek failed" );
1941                 mb_eof = VLC_TRUE;
1942                 return;
1943             }
1944             i_skip -= i_read;
1945
1946             input_DeletePacket( p_input->p_method_data, p_data );
1947             if( i_read == 0 && i_skip > 0 )
1948             {
1949                 msg_Err( p_input, "seek failed" );
1950                 mb_eof = VLC_TRUE;
1951                 return;
1952             }
1953         }
1954     }
1955     else
1956     {
1957         msg_Err( p_input, "cannot seek or emulate seek to "I64Fd" from "I64Fd,
1958                  i_pos, i_last );
1959         mb_eof = VLC_TRUE;
1960     }
1961 }
1962 size_t vlc_stream_io_callback::write( const void *p_buffer, size_t i_size )
1963 {
1964     return 0;
1965 }
1966 uint64_t vlc_stream_io_callback::getFilePointer( void )
1967 {
1968     uint64_t i_pos;
1969
1970     vlc_mutex_lock( &p_input->stream.stream_lock );
1971     i_pos= p_input->stream.p_selected_area->i_tell;
1972     vlc_mutex_unlock( &p_input->stream.stream_lock );
1973
1974     return i_pos;
1975 }
1976 void vlc_stream_io_callback::close( void )
1977 {
1978     return;
1979 }
1980
1981
1982 /*****************************************************************************
1983  * Ebml Stream parser
1984  *****************************************************************************/
1985 EbmlParser::EbmlParser( EbmlStream *es, EbmlElement *el_start )
1986 {
1987     int i;
1988
1989     m_es = es;
1990     m_got = NULL;
1991     m_el[0] = el_start;
1992
1993     for( i = 1; i < 6; i++ )
1994     {
1995         m_el[i] = NULL;
1996     }
1997     mi_level = 1;
1998     mi_user_level = 1;
1999     mb_keep = VLC_FALSE;
2000 }
2001
2002 EbmlParser::~EbmlParser( void )
2003 {
2004     int i;
2005
2006     for( i = 1; i < mi_level; i++ )
2007     {
2008         if( !mb_keep )
2009         {
2010             delete m_el[i];
2011         }
2012         mb_keep = VLC_FALSE;
2013     }
2014 }
2015
2016 void EbmlParser::Up( void )
2017 {
2018     if( mi_user_level == mi_level )
2019     {
2020         fprintf( stderr," arrrrrrrrrrrrrg Up cannot escape itself\n" );
2021     }
2022
2023     mi_user_level--;
2024 }
2025
2026 void EbmlParser::Down( void )
2027 {
2028     mi_user_level++;
2029     mi_level++;
2030 }
2031
2032 void EbmlParser::Keep( void )
2033 {
2034     mb_keep = VLC_TRUE;
2035 }
2036
2037 int EbmlParser::GetLevel( void )
2038 {
2039     return mi_user_level;
2040 }
2041
2042 EbmlElement *EbmlParser::Get( void )
2043 {
2044     int i_ulev = 0;
2045
2046     if( mi_user_level != mi_level )
2047     {
2048         return NULL;
2049     }
2050     if( m_got )
2051     {
2052         EbmlElement *ret = m_got;
2053         m_got = NULL;
2054
2055         return ret;
2056     }
2057
2058     if( m_el[mi_level] )
2059     {
2060         m_el[mi_level]->SkipData( *m_es, m_el[mi_level]->Generic().Context );
2061         if( !mb_keep )
2062         {
2063             delete m_el[mi_level];
2064         }
2065         mb_keep = VLC_FALSE;
2066     }
2067
2068     m_el[mi_level] = m_es->FindNextElement( m_el[mi_level - 1]->Generic().Context, i_ulev, 0xFFFFFFFFL, true, 1 );
2069     if( i_ulev > 0 )
2070     {
2071         while( i_ulev > 0 )
2072         {
2073             if( mi_level == 1 )
2074             {
2075                 mi_level = 0;
2076                 return NULL;
2077             }
2078
2079             delete m_el[mi_level - 1];
2080             m_got = m_el[mi_level -1] = m_el[mi_level];
2081             m_el[mi_level] = NULL;
2082
2083             mi_level--;
2084             i_ulev--;
2085         }
2086         return NULL;
2087     }
2088     else if( m_el[mi_level] == NULL )
2089     {
2090         fprintf( stderr," m_el[mi_level] == NULL\n" );
2091     }
2092
2093     return m_el[mi_level];
2094 }
2095
2096
2097 /*****************************************************************************
2098  * Tools
2099  *  * LoadCues : load the cues element and update index
2100  *
2101  *  * LoadTags : load ... the tags element
2102  *
2103  *  * InformationsCreate : create all informations, load tags if present
2104  *
2105  *****************************************************************************/
2106 static void LoadCues( input_thread_t *p_input )
2107 {
2108     demux_sys_t *p_sys = p_input->p_demux_data;
2109     int64_t     i_sav_position = p_sys->in->getFilePointer();
2110     EbmlParser  *ep;
2111     EbmlElement *el, *cues;
2112
2113     msg_Dbg( p_input, "loading cues" );
2114     p_sys->in->setFilePointer( p_sys->i_cues_position, seek_beginning );
2115     cues = p_sys->es->FindNextID( KaxCues::ClassInfos, 0xFFFFFFFFL);
2116
2117     if( cues == NULL )
2118     {
2119         msg_Err( p_input, "cannot load cues (broken seekhead or file)" );
2120         return;
2121     }
2122
2123     ep = new EbmlParser( p_sys->es, cues );
2124     while( ( el = ep->Get() ) != NULL )
2125     {
2126         if( EbmlId( *el ) == KaxCuePoint::ClassInfos.GlobalId )
2127         {
2128 #define idx p_sys->index[p_sys->i_index]
2129
2130             idx.i_track       = -1;
2131             idx.i_block_number= -1;
2132             idx.i_position    = -1;
2133             idx.i_time        = -1;
2134             idx.b_key         = VLC_TRUE;
2135
2136             ep->Down();
2137             while( ( el = ep->Get() ) != NULL )
2138             {
2139                 if( EbmlId( *el ) == KaxCueTime::ClassInfos.GlobalId )
2140                 {
2141                     KaxCueTime &ctime = *(KaxCueTime*)el;
2142
2143                     ctime.ReadData( p_sys->es->I_O() );
2144
2145                     idx.i_time = uint64( ctime ) * (mtime_t)1000000000 / p_sys->i_timescale;
2146                 }
2147                 else if( EbmlId( *el ) == KaxCueTrackPositions::ClassInfos.GlobalId )
2148                 {
2149                     ep->Down();
2150                     while( ( el = ep->Get() ) != NULL )
2151                     {
2152                         if( EbmlId( *el ) == KaxCueTrack::ClassInfos.GlobalId )
2153                         {
2154                             KaxCueTrack &ctrack = *(KaxCueTrack*)el;
2155
2156                             ctrack.ReadData( p_sys->es->I_O() );
2157                             idx.i_track = uint16( ctrack );
2158                         }
2159                         else if( EbmlId( *el ) == KaxCueClusterPosition::ClassInfos.GlobalId )
2160                         {
2161                             KaxCueClusterPosition &ccpos = *(KaxCueClusterPosition*)el;
2162
2163                             ccpos.ReadData( p_sys->es->I_O() );
2164                             idx.i_position = p_sys->segment->GetGlobalPosition( uint64( ccpos ) );
2165                         }
2166                         else if( EbmlId( *el ) == KaxCueBlockNumber::ClassInfos.GlobalId )
2167                         {
2168                             KaxCueBlockNumber &cbnum = *(KaxCueBlockNumber*)el;
2169
2170                             cbnum.ReadData( p_sys->es->I_O() );
2171                             idx.i_block_number = uint32( cbnum );
2172                         }
2173                         else
2174                         {
2175                             msg_Dbg( p_input, "         * Unknown (%s)", typeid(*el).name() );
2176                         }
2177                     }
2178                     ep->Up();
2179                 }
2180                 else
2181                 {
2182                     msg_Dbg( p_input, "     * Unknown (%s)", typeid(*el).name() );
2183                 }
2184             }
2185             ep->Up();
2186
2187             msg_Dbg( p_input, " * added time="I64Fd" pos="I64Fd
2188                      " track=%d bnum=%d", idx.i_time, idx.i_position,
2189                      idx.i_track, idx.i_block_number );
2190
2191             p_sys->i_index++;
2192             if( p_sys->i_index >= p_sys->i_index_max )
2193             {
2194                 p_sys->i_index_max += 1024;
2195                 p_sys->index = (mkv_index_t*)realloc( p_sys->index, sizeof( mkv_index_t ) * p_sys->i_index_max );
2196             }
2197 #undef idx
2198         }
2199         else
2200         {
2201             msg_Dbg( p_input, " * Unknown (%s)", typeid(*el).name() );
2202         }
2203     }
2204     delete ep;
2205     delete cues;
2206
2207     p_sys->b_cues = VLC_TRUE;
2208
2209     msg_Dbg( p_input, "loading cues done." );
2210     p_sys->in->setFilePointer( i_sav_position, seek_beginning );
2211 }
2212
2213 static void LoadTags( input_thread_t *p_input )
2214 {
2215     demux_sys_t *p_sys = p_input->p_demux_data;
2216     int64_t     i_sav_position = p_sys->in->getFilePointer();
2217     EbmlParser  *ep;
2218     EbmlElement *el, *tags;
2219
2220     msg_Dbg( p_input, "loading tags" );
2221     p_sys->in->setFilePointer( p_sys->i_tags_position, seek_beginning );
2222     tags = p_sys->es->FindNextID( KaxTags::ClassInfos, 0xFFFFFFFFL);
2223
2224     if( tags == NULL )
2225     {
2226         msg_Err( p_input, "cannot load tags (broken seekhead or file)" );
2227         return;
2228     }
2229
2230     msg_Dbg( p_input, "Tags" );
2231     ep = new EbmlParser( p_sys->es, tags );
2232     while( ( el = ep->Get() ) != NULL )
2233     {
2234         if( EbmlId( *el ) == KaxTag::ClassInfos.GlobalId )
2235         {
2236             msg_Dbg( p_input, "+ Tag" );
2237             ep->Down();
2238             while( ( el = ep->Get() ) != NULL )
2239             {
2240                 if( EbmlId( *el ) == KaxTagTargets::ClassInfos.GlobalId )
2241                 {
2242                     msg_Dbg( p_input, "|   + Targets" );
2243                     ep->Down();
2244                     while( ( el = ep->Get() ) != NULL )
2245                     {
2246                         msg_Dbg( p_input, "|   |   + Unknown (%s)", typeid( *el ).name() );
2247                     }
2248                     ep->Up();
2249                 }
2250                 else if( EbmlId( *el ) == KaxTagGeneral::ClassInfos.GlobalId )
2251                 {
2252                     msg_Dbg( p_input, "|   + General" );
2253                     ep->Down();
2254                     while( ( el = ep->Get() ) != NULL )
2255                     {
2256                         msg_Dbg( p_input, "|   |   + Unknown (%s)", typeid( *el ).name() );
2257                     }
2258                     ep->Up();
2259                 }
2260                 else if( EbmlId( *el ) == KaxTagGenres::ClassInfos.GlobalId )
2261                 {
2262                     msg_Dbg( p_input, "|   + Genres" );
2263                     ep->Down();
2264                     while( ( el = ep->Get() ) != NULL )
2265                     {
2266                         msg_Dbg( p_input, "|   |   + Unknown (%s)", typeid( *el ).name() );
2267                     }
2268                     ep->Up();
2269                 }
2270                 else if( EbmlId( *el ) == KaxTagAudioSpecific::ClassInfos.GlobalId )
2271                 {
2272                     msg_Dbg( p_input, "|   + Audio Specific" );
2273                     ep->Down();
2274                     while( ( el = ep->Get() ) != NULL )
2275                     {
2276                         msg_Dbg( p_input, "|   |   + Unknown (%s)", typeid( *el ).name() );
2277                     }
2278                     ep->Up();
2279                 }
2280                 else if( EbmlId( *el ) == KaxTagImageSpecific::ClassInfos.GlobalId )
2281                 {
2282                     msg_Dbg( p_input, "|   + Images Specific" );
2283                     ep->Down();
2284                     while( ( el = ep->Get() ) != NULL )
2285                     {
2286                         msg_Dbg( p_input, "|   |   + Unknown (%s)", typeid( *el ).name() );
2287                     }
2288                     ep->Up();
2289                 }
2290                 else if( EbmlId( *el ) == KaxTagMultiComment::ClassInfos.GlobalId )
2291                 {
2292                     msg_Dbg( p_input, "|   + Multi Comment" );
2293                 }
2294                 else if( EbmlId( *el ) == KaxTagMultiCommercial::ClassInfos.GlobalId )
2295                 {
2296                     msg_Dbg( p_input, "|   + Multi Commercial" );
2297                 }
2298                 else if( EbmlId( *el ) == KaxTagMultiDate::ClassInfos.GlobalId )
2299                 {
2300                     msg_Dbg( p_input, "|   + Multi Date" );
2301                 }
2302                 else if( EbmlId( *el ) == KaxTagMultiEntity::ClassInfos.GlobalId )
2303                 {
2304                     msg_Dbg( p_input, "|   + Multi Entity" );
2305                 }
2306                 else if( EbmlId( *el ) == KaxTagMultiIdentifier::ClassInfos.GlobalId )
2307                 {
2308                     msg_Dbg( p_input, "|   + Multi Identifier" );
2309                 }
2310                 else if( EbmlId( *el ) == KaxTagMultiLegal::ClassInfos.GlobalId )
2311                 {
2312                     msg_Dbg( p_input, "|   + Multi Legal" );
2313                 }
2314                 else if( EbmlId( *el ) == KaxTagMultiTitle::ClassInfos.GlobalId )
2315                 {
2316                     msg_Dbg( p_input, "|   + Multi Title" );
2317                 }
2318                 else
2319                 {
2320                     msg_Dbg( p_input, "|   + Unknown (%s)", typeid( *el ).name() );
2321                 }
2322             }
2323             ep->Up();
2324         }
2325         else
2326         {
2327             msg_Dbg( p_input, "+ Unknown (%s)", typeid( *el ).name() );
2328         }
2329     }
2330     delete ep;
2331     delete tags;
2332
2333     msg_Dbg( p_input, "loading tags done." );
2334     p_sys->in->setFilePointer( i_sav_position, seek_beginning );
2335 }
2336
2337 static void InformationsCreate( input_thread_t *p_input )
2338 {
2339     demux_sys_t           *p_sys = p_input->p_demux_data;
2340     input_info_category_t *p_cat;
2341     int                   i_track;
2342
2343     p_cat = input_InfoCategory( p_input, "Matroska" );
2344     if( p_sys->f_duration > 1000.1 )
2345     {
2346         int64_t i_sec = (int64_t)p_sys->f_duration / 1000;
2347         int h,m,s;
2348
2349         h = i_sec / 3600;
2350         m = ( i_sec / 60 ) % 60;
2351         s = i_sec % 60;
2352
2353         input_AddInfo( p_cat, _("Duration"), "%d:%2.2d:%2.2d" , h, m, s );
2354     }
2355
2356     if( p_sys->psz_title )
2357     {
2358         input_AddInfo( p_cat, _("Title"), "%s" ,p_sys->psz_title );
2359     }
2360     if( p_sys->psz_date_utc )
2361     {
2362         input_AddInfo( p_cat, _("Date UTC"), "%s" ,p_sys->psz_date_utc );
2363     }
2364     if( p_sys->psz_segment_filename )
2365     {
2366         input_AddInfo( p_cat, _("Segment Filename"), "%s" ,p_sys->psz_segment_filename );
2367     }
2368     if( p_sys->psz_muxing_application )
2369     {
2370         input_AddInfo( p_cat, _("Muxing Application"), "%s" ,p_sys->psz_muxing_application );
2371     }
2372     if( p_sys->psz_writing_application )
2373     {
2374         input_AddInfo( p_cat, _("Writing Application"), "%s" ,p_sys->psz_writing_application );
2375     }
2376     input_AddInfo( p_cat, _("Number of streams"), "%d" , p_sys->i_track );
2377
2378     for( i_track = 0; i_track < p_sys->i_track; i_track++ )
2379     {
2380         char psz_cat[strlen( "Stream " ) + 10];
2381 #define tk  p_sys->track[i_track]
2382
2383         sprintf( psz_cat, "Stream %d", i_track );
2384         p_cat = input_InfoCategory( p_input, psz_cat);
2385         if( tk.psz_name )
2386         {
2387             input_AddInfo( p_cat, _("Name"), "%s", tk.psz_name );
2388         }
2389         if( tk.psz_codec_name )
2390         {
2391             input_AddInfo( p_cat, _("Codec Name"), "%s", tk.psz_codec_name );
2392         }
2393         if( tk.psz_codec_settings )
2394         {
2395             input_AddInfo( p_cat, _("Codec Setting"), "%s", tk.psz_codec_settings );
2396         }
2397         if( tk.psz_codec_info_url )
2398         {
2399             input_AddInfo( p_cat, _("Codec Info"), "%s", tk.psz_codec_info_url );
2400         }
2401         if( tk.psz_codec_download_url )
2402         {
2403             input_AddInfo( p_cat, _("Codec Download"), "%s", tk.psz_codec_download_url );
2404         }
2405
2406         switch( tk.i_cat )
2407         {
2408             case AUDIO_ES:
2409                 input_AddInfo( p_cat, _("Type"), _("Audio") );
2410                 input_AddInfo( p_cat, _("Codec"), "%.4s (%s)", (char*)&tk.i_codec, tk.psz_codec );
2411                 if( tk.i_channels > 0 )
2412                 {
2413                     input_AddInfo( p_cat, _("Channels"), "%d", tk.i_channels );
2414                 }
2415                 if( tk.i_samplerate > 0 )
2416                 {
2417                     input_AddInfo( p_cat, _("Sample Rate"), "%d", tk.i_samplerate );
2418                 }
2419                 if( tk.i_bitspersample )
2420                 {
2421                     input_AddInfo( p_cat, _("Bits Per Sample"), "%d", tk.i_bitspersample );
2422                 }
2423                 break;
2424             case VIDEO_ES:
2425                 input_AddInfo( p_cat, _("Type"), _("Video") );
2426                 input_AddInfo( p_cat, _("Codec"), "%.4s (%s)", (char*)&tk.i_codec, tk.psz_codec );
2427                 if( tk.i_width > 0 && tk.i_height )
2428                 {
2429                     input_AddInfo( p_cat, _("Resolution"), "%dx%d", tk.i_width, tk.i_height );
2430                 }
2431                 if( tk.i_display_width > 0 && tk.i_display_height )
2432                 {
2433                     input_AddInfo( p_cat, _("Display Resolution"), "%dx%d", tk.i_display_width, tk.i_display_height );
2434                 }
2435                 if( tk.f_fps > 0.1 )
2436                 {
2437                     input_AddInfo( p_cat, _("Frame Per Second"), "%.3f", tk.f_fps );
2438                 }
2439                 break;
2440             case SPU_ES:
2441                 input_AddInfo( p_cat, _("Type"), _("Subtitle") );
2442                 input_AddInfo( p_cat, _("Codec"), "%s", tk.psz_codec );
2443                 break;
2444         }
2445
2446 #undef  tk
2447     }
2448     if( p_sys->i_tags_position >= 0 && p_input->stream.b_seekable )
2449     {
2450         LoadTags( p_input );
2451     }
2452 }
2453
2454
2455 /*****************************************************************************
2456  * Divers
2457  *****************************************************************************/
2458
2459 static void IndexAppendCluster( input_thread_t *p_input, KaxCluster *cluster )
2460 {
2461     demux_sys_t    *p_sys   = p_input->p_demux_data;
2462
2463 #define idx p_sys->index[p_sys->i_index]
2464     idx.i_track       = -1;
2465     idx.i_block_number= -1;
2466     idx.i_position    = cluster->GetElementPosition();
2467     idx.i_time        = -1;
2468     idx.b_key         = VLC_TRUE;
2469
2470     p_sys->i_index++;
2471     if( p_sys->i_index >= p_sys->i_index_max )
2472     {
2473         p_sys->i_index_max += 1024;
2474         p_sys->index = (mkv_index_t*)realloc( p_sys->index, sizeof( mkv_index_t ) * p_sys->i_index_max );
2475     }
2476 #undef idx
2477 }
2478
2479 static char * UTF8ToStr( const UTFstring &u )
2480 {
2481     int     i_src;
2482     const wchar_t *src;
2483     char *dst, *p;
2484
2485     i_src = u.length();
2486     src   = u.c_str();
2487
2488     p = dst = (char*)malloc( i_src + 1);
2489     while( i_src > 0 )
2490     {
2491         if( *src < 255 )
2492         {
2493             *p++ = (char)*src;
2494         }
2495         else
2496         {
2497             *p++ = '?';
2498         }
2499         src++;
2500         i_src--;
2501     }
2502     *p++= '\0';
2503
2504     return dst;
2505 }
2506