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

   1 /*****************************************************************************
   2  * mkv.cpp : matroska demuxer
   3  *****************************************************************************
   4  * Copyright (C) 2003-2004 VideoLAN
   5  * $Id$
   6  *
   7  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   8  *          Steve Lhomme <steve.lhomme@free.fr>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  23  *****************************************************************************/
  24
  25 /*****************************************************************************
  26  * Preamble
  27  *****************************************************************************/
  28 #include <stdlib.h>                                      /* malloc(), free() */
  29
  30 #include <vlc/vlc.h>
  31
  32 #ifdef HAVE_TIME_H
  33 #   include <time.h>                                               /* time() */
  34 #endif
  35
  36 #include <vlc/input.h>
  37
  38 #include <codecs.h>                        /* BITMAPINFOHEADER, WAVEFORMATEX */
  39 #include "iso_lang.h"
  40 #include "vlc_meta.h"
  41
  42 #include <iostream>
  43 #include <cassert>
  44 #include <typeinfo>
  45 #include <string>
  46 #include <vector>
  47 #include <algorithm>
  48
  49 #ifdef HAVE_DIRENT_H
  50 #   include <dirent.h>
  51 #endif
  52
  53 /* libebml and matroska */
  54 #include "ebml/EbmlHead.h"
  55 #include "ebml/EbmlSubHead.h"
  56 #include "ebml/EbmlStream.h"
  57 #include "ebml/EbmlContexts.h"
  58 #include "ebml/EbmlVoid.h"
  59 #include "ebml/EbmlVersion.h"
  60 #include "ebml/StdIOCallback.h"
  61
  62 #include "matroska/KaxAttachments.h"
  63 #include "matroska/KaxBlock.h"
  64 #include "matroska/KaxBlockData.h"
  65 #include "matroska/KaxChapters.h"
  66 #include "matroska/KaxCluster.h"
  67 #include "matroska/KaxClusterData.h"
  68 #include "matroska/KaxContexts.h"
  69 #include "matroska/KaxCues.h"
  70 #include "matroska/KaxCuesData.h"
  71 #include "matroska/KaxInfo.h"
  72 #include "matroska/KaxInfoData.h"
  73 #include "matroska/KaxSeekHead.h"
  74 #include "matroska/KaxSegment.h"
  75 #include "matroska/KaxTag.h"
  76 #include "matroska/KaxTags.h"
  77 #include "matroska/KaxTagMulti.h"
  78 #include "matroska/KaxTracks.h"
  79 #include "matroska/KaxTrackAudio.h"
  80 #include "matroska/KaxTrackVideo.h"
  81 #include "matroska/KaxTrackEntryData.h"
  82 #include "matroska/KaxContentEncoding.h"
  83 #include "matroska/KaxVersion.h"
  84
  85 #include "ebml/StdIOCallback.h"
  86
  87 extern "C" {
  88    #include "mp4/libmp4.h"
  89 }
  90 #ifdef HAVE_ZLIB_H
  91 #   include <zlib.h>
  92 #endif
  93
  94 #define MATROSKA_COMPRESSION_NONE 0
  95 #define MATROSKA_COMPRESSION_ZLIB 1
  96
  97 #define MKVD_TIMECODESCALE 1000000
  98
  99 /**
 100  * What's between a directory and a filename?
 101  */
 102 #if defined( WIN32 )
 103     #define DIRECTORY_SEPARATOR '\\'
 104 #else
 105     #define DIRECTORY_SEPARATOR '/'
 106 #endif
 107
 108 using namespace LIBMATROSKA_NAMESPACE;
 109 using namespace std;
 110
 111 /*****************************************************************************
 112  * Module descriptor
 113  *****************************************************************************/
 114 static int  Open ( vlc_object_t * );
 115 static void Close( vlc_object_t * );
 116
 117 vlc_module_begin();
 118     set_shortname( _("Matroska") );
 119     set_description( _("Matroska stream demuxer" ) );
 120     set_capability( "demux2", 50 );
 121     set_callbacks( Open, Close );
 122     set_category( CAT_INPUT );
 123     set_subcategory( SUBCAT_INPUT_DEMUX );
 124
 125     add_bool( "mkv-use-ordered-chapters", 1, NULL,
 126             N_("Ordered chapters"),
 127             N_("Play ordered chapters as specified in the segment"), VLC_TRUE );
 128
 129     add_bool( "mkv-use-chapter-codec", 1, NULL,
 130             N_("Chapter codecs"),
 131             N_("Use chapter codecs found in the segment"), VLC_TRUE );
 132
 133     add_bool( "mkv-seek-percent", 0, NULL,
 134             N_("Seek based on percent not time"),
 135             N_("Seek based on percent not time"), VLC_TRUE );
 136
 137     add_bool( "mkv-use-dummy", 0, NULL,
 138             N_("Dummy Elements"),
 139             N_("Read and discard unknown EBML elements (not good for broken files)"), VLC_TRUE );
 140
 141     add_shortcut( "mka" );
 142     add_shortcut( "mkv" );
 143 vlc_module_end();
 144
 145 /*****************************************************************************
 146  * Local prototypes
 147  *****************************************************************************/
 148 #ifdef HAVE_ZLIB_H
 149 block_t *block_zlib_decompress( vlc_object_t *p_this, block_t *p_in_block ) {
 150     int result, dstsize, n;
 151     unsigned char *dst;
 152     block_t *p_block;
 153     z_stream d_stream;
 154
 155     d_stream.zalloc = (alloc_func)0;
 156     d_stream.zfree = (free_func)0;
 157     d_stream.opaque = (voidpf)0;
 158     result = inflateInit(&d_stream);
 159     if( result != Z_OK )
 160     {
 161         msg_Dbg( p_this, "inflateInit() failed. Result: %d", result );
 162         return NULL;
 163     }
 164
 165     d_stream.next_in = (Bytef *)p_in_block->p_buffer;
 166     d_stream.avail_in = p_in_block->i_buffer;
 167     n = 0;
 168     p_block = block_New( p_this, 0 );
 169     dst = NULL;
 170     do
 171     {
 172         n++;
 173         p_block = block_Realloc( p_block, 0, n * 1000 );
 174         dst = (unsigned char *)p_block->p_buffer;
 175         d_stream.next_out = (Bytef *)&dst[(n - 1) * 1000];
 176         d_stream.avail_out = 1000;
 177         result = inflate(&d_stream, Z_NO_FLUSH);
 178         if( ( result != Z_OK ) && ( result != Z_STREAM_END ) )
 179         {
 180             msg_Dbg( p_this, "Zlib decompression failed. Result: %d", result );
 181             return NULL;
 182         }
 183     }
 184     while( ( d_stream.avail_out == 0 ) && ( d_stream.avail_in != 0 ) &&
 185            ( result != Z_STREAM_END ) );
 186
 187     dstsize = d_stream.total_out;
 188     inflateEnd( &d_stream );
 189
 190     p_block = block_Realloc( p_block, 0, dstsize );
 191     p_block->i_buffer = dstsize;
 192     block_Release( p_in_block );
 193
 194     return p_block;
 195 }
 196 #endif
 197
 198 /**
 199  * Helper function to print the mkv parse tree
 200  */
 201 static void MkvTree( demux_t & demuxer, int i_level, char *psz_format, ... )
 202 {
 203     va_list args;
 204     if( i_level > 9 )
 205     {
 206         msg_Err( &demuxer, "too deep tree" );
 207         return;
 208     }
 209     va_start( args, psz_format );
 210     static char *psz_foo = "|   |   |   |   |   |   |   |   |   |";
 211     char *psz_foo2 = (char*)malloc( ( i_level * 4 + 3 + strlen( psz_format ) ) * sizeof(char) );
 212     strncpy( psz_foo2, psz_foo, 4 * i_level );
 213     psz_foo2[ 4 * i_level ] = '+';
 214     psz_foo2[ 4 * i_level + 1 ] = ' ';
 215     strcpy( &psz_foo2[ 4 * i_level + 2 ], psz_format );
 216     __msg_GenericVa( VLC_OBJECT(&demuxer), VLC_MSG_DBG, "mkv", psz_foo2, args );
 217     free( psz_foo2 );
 218     va_end( args );
 219 }
 220
 221 /*****************************************************************************
 222  * Stream managment
 223  *****************************************************************************/
 224 class vlc_stream_io_callback: public IOCallback
 225 {
 226   private:
 227     stream_t       *s;
 228     vlc_bool_t     mb_eof;
 229
 230   public:
 231     vlc_stream_io_callback( stream_t * );
 232
 233     virtual uint32   read            ( void *p_buffer, size_t i_size);
 234     virtual void     setFilePointer  ( int64_t i_offset, seek_mode mode = seek_beginning );
 235     virtual size_t   write           ( const void *p_buffer, size_t i_size);
 236     virtual uint64   getFilePointer  ( void );
 237     virtual void     close           ( void );
 238 };
 239
 240 /*****************************************************************************
 241  * Ebml Stream parser
 242  *****************************************************************************/
 243 class EbmlParser
 244 {
 245   public:
 246     EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux );
 247     virtual ~EbmlParser( void );
 248
 249     void Up( void );
 250     void Down( void );
 251     void Reset( demux_t *p_demux );
 252     EbmlElement *Get( void );
 253     void        Keep( void );
 254
 255     int GetLevel( void );
 256
 257   private:
 258     EbmlStream  *m_es;
 259     int         mi_level;
 260     EbmlElement *m_el[10];
 261     int64_t      mi_remain_size[10];
 262
 263     EbmlElement *m_got;
 264
 265     int         mi_user_level;
 266     vlc_bool_t  mb_keep;
 267     vlc_bool_t  mb_dummy;
 268 };
 269
 270
 271 /*****************************************************************************
 272  * Some functions to manipulate memory
 273  *****************************************************************************/
 274 #define GetFOURCC( p )  __GetFOURCC( (uint8_t*)p )
 275 static vlc_fourcc_t __GetFOURCC( uint8_t *p )
 276 {
 277     return VLC_FOURCC( p[0], p[1], p[2], p[3] );
 278 }
 279
 280 /*****************************************************************************
 281  * definitions of structures and functions used by this plugins
 282  *****************************************************************************/
 283 typedef struct
 284 {
 285     vlc_bool_t   b_default;
 286     vlc_bool_t   b_enabled;
 287     unsigned int i_number;
 288
 289     int          i_extra_data;
 290     uint8_t      *p_extra_data;
 291
 292     char         *psz_codec;
 293
 294     uint64_t     i_default_duration;
 295     float        f_timecodescale;
 296
 297     /* video */
 298     es_format_t fmt;
 299     float       f_fps;
 300     es_out_id_t *p_es;
 301
 302     vlc_bool_t      b_inited;
 303     /* data to be send first */
 304     int             i_data_init;
 305     uint8_t         *p_data_init;
 306
 307     /* hack : it's for seek */
 308     vlc_bool_t      b_search_keyframe;
 309     vlc_bool_t      b_silent;
 310
 311     /* informative */
 312     char         *psz_codec_name;
 313     char         *psz_codec_settings;
 314     char         *psz_codec_info_url;
 315     char         *psz_codec_download_url;
 316
 317     /* encryption/compression */
 318     int           i_compression_type;
 319
 320 } mkv_track_t;
 321
 322 typedef struct
 323 {
 324     int     i_track;
 325     int     i_block_number;
 326
 327     int64_t i_position;
 328     int64_t i_time;
 329
 330     vlc_bool_t b_key;
 331 } mkv_index_t;
 332
 333 class demux_sys_t;
 334
 335 const binary MATROSKA_DVD_LEVEL_SS   = 0x30;
 336 const binary MATROSKA_DVD_LEVEL_LU   = 0x2A;
 337 const binary MATROSKA_DVD_LEVEL_TT   = 0x28;
 338 const binary MATROSKA_DVD_LEVEL_PGC  = 0x20;
 339 const binary MATROSKA_DVD_LEVEL_PG   = 0x18;
 340 const binary MATROSKA_DVD_LEVEL_PTT  = 0x10;
 341 const binary MATROSKA_DVD_LEVEL_CN   = 0x08;
 342
 343 class chapter_codec_cmds_c
 344 {
 345 public:
 346     chapter_codec_cmds_c( demux_sys_t & demuxer, int codec_id = -1)
 347     :i_codec_id( codec_id )
 348     ,sys( demuxer )
 349     {}
 350
 351     virtual ~chapter_codec_cmds_c() {}
 352
 353     void SetPrivate( const KaxChapterProcessPrivate & private_data )
 354     {
 355         m_private_data = *( new KaxChapterProcessPrivate( private_data ) );
 356     }
 357
 358     void AddCommand( const KaxChapterProcessCommand & command );
 359
 360     /// \return wether the codec has seeked in the files or not
 361     virtual bool Enter() { return false; }
 362     virtual bool Leave() { return false; }
 363     virtual std::string GetCodecName( bool f_for_title = false ) const { return ""; }
 364
 365     KaxChapterProcessPrivate m_private_data;
 366
 367 protected:
 368     std::vector<KaxChapterProcessData> enter_cmds;
 369     std::vector<KaxChapterProcessData> during_cmds;
 370     std::vector<KaxChapterProcessData> leave_cmds;
 371
 372     int i_codec_id;
 373     demux_sys_t & sys;
 374 };
 375
 376 class dvd_command_interpretor_c
 377 {
 378 public:
 379     dvd_command_interpretor_c( demux_sys_t & demuxer )
 380     :sys( demuxer )
 381     {
 382         memset( p_PRMs, 0, sizeof(p_PRMs) );
 383         p_PRMs[ 0x80 + 1 ] = 15;
 384         p_PRMs[ 0x80 + 2 ] = 62;
 385         p_PRMs[ 0x80 + 3 ] = 1;
 386         p_PRMs[ 0x80 + 4 ] = 1;
 387         p_PRMs[ 0x80 + 7 ] = 1;
 388         p_PRMs[ 0x80 + 8 ] = 1;
 389         p_PRMs[ 0x80 + 16 ] = 0xFFFFu;
 390         p_PRMs[ 0x80 + 18 ] = 0xFFFFu;
 391     }
 392
 393     bool Interpret( const binary * p_command, size_t i_size = 8 );
 394
 395 protected:
 396     uint16 GetPRM( size_t index ) const
 397     {
 398         if ( index < 256 )
 399             return p_PRMs[ index ];
 400         else return 0;
 401     }
 402
 403     uint16 GetGPRM( size_t index ) const
 404     {
 405         if ( index >= 0 && index < 16 )
 406             return p_PRMs[ index ];
 407         else return 0;
 408     }
 409
 410     uint16 GetSPRM( size_t index ) const
 411     {
 412         // 21,22,23 reserved for future use
 413         if ( index >= 0x80 && index < 0x95 )
 414             return p_PRMs[ index ];
 415         else return 0;
 416     }
 417
 418     bool SetPRM( size_t index, uint16 value )
 419     {
 420         if ( index >= 0 && index < 16 )
 421         {
 422             p_PRMs[ index ] = value;
 423             return true;
 424         }
 425         return false;
 426     }
 427
 428     bool SetGPRM( size_t index, uint16 value )
 429     {
 430         if ( index >= 0 && index < 16 )
 431         {
 432             p_PRMs[ index ] = value;
 433             return true;
 434         }
 435         return false;
 436     }
 437
 438     bool SetSPRM( size_t index, uint16 value )
 439     {
 440         if ( index > 0x80 && index <= 0x8D && index != 0x8C )
 441         {
 442             p_PRMs[ index ] = value;
 443             return true;
 444         }
 445         return false;
 446     }
 447
 448     std::string GetRegTypeName( bool b_value, uint16 value ) const
 449     {
 450         std::string result;
 451         char s_value[6], s_reg_value[6];
 452         itoa( value, s_value, 10 );
 453
 454         if ( b_value )
 455         {
 456             result = "value (";
 457             result += s_value;
 458             result += ")";
 459         }
 460         else if ( value < 0x80 )
 461         {
 462             itoa( GetPRM( value ) , s_reg_value, 10 );
 463             result = "GPreg[";
 464             result += s_value;
 465             result += "] (";
 466             result += s_reg_value;
 467             result += ")";
 468         }
 469         else
 470         {
 471             itoa( GetPRM( value ) , s_reg_value, 10 );
 472             result = "SPreg[";
 473             result += s_value;
 474             result += "] (";
 475             result += s_reg_value;
 476             result += ")";
 477         }
 478         return result;
 479     }
 480
 481     uint16       p_PRMs[256];
 482     demux_sys_t  & sys;
 483
 484     // DVD command IDs
 485
 486     // Tests
 487     // wether the test has to be positive or not
 488     static const uint16 CMD_DVD_IF_NOT              = 0x10;
 489     // wether it's a comparison on the value or register
 490     static const uint16 CMD_DVD_TEST_VALUE          = 0x80;
 491     static const uint16 CMD_DVD_IF_GPREG_AND        = (0 << 5);
 492     static const uint16 CMD_DVD_IF_GPREG_EQUAL      = (1 << 5);
 493     static const uint16 CMD_DVD_IF_GPREG_SUP_EQUAL  = (2 << 5);
 494     static const uint16 CMD_DVD_IF_GPREG_INF        = (3 << 5);
 495
 496     static const uint16 CMD_DVD_NOP                    = 0x0000;
 497     static const uint16 CMD_DVD_GOTO_LINE              = 0x0001;
 498     static const uint16 CMD_DVD_BREAK                  = 0x0002;
 499     // Links
 500     static const uint16 CMD_DVD_NOP2                   = 0x2001;
 501     static const uint16 CMD_DVD_LINKPGCN               = 0x2004;
 502     static const uint16 CMD_DVD_LINKPGN                = 0x2006;
 503     static const uint16 CMD_DVD_LINKCN                 = 0x2007;
 504     static const uint16 CMD_DVD_JUMP_TT                = 0x3002;
 505     static const uint16 CMD_DVD_JUMPVTS_TT             = 0x3003;
 506     static const uint16 CMD_DVD_JUMP_SS                = 0x3006;
 507     static const uint16 CMD_DVD_CALLSS_VTSM1           = 0x3008;
 508     //
 509     static const uint16 CMD_DVD_SET_HL_BTNN2           = 0x4600;
 510     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN1  = 0x4604;
 511     static const uint16 CMD_DVD_SET_AUDIO              = 0x5100;
 512     static const uint16 CMD_DVD_SET_GPRMMD             = 0x5300;
 513     static const uint16 CMD_DVD_SET_HL_BTNN1           = 0x5600;
 514     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN2  = 0x5604;
 515     static const uint16 CMD_DVD_SET_HL_BTNN_LINKCN     = 0x5607;
 516     // Operations
 517     static const uint16 CMD_DVD_MOV_SPREG_PREG         = 0x6100;
 518     static const uint16 CMD_DVD_GPREG_MOV_VALUE        = 0x7100;
 519     static const uint16 CMD_DVD_SUB_GPREG              = 0x7400;
 520     static const uint16 CMD_DVD_MULT_GPREG             = 0x7500;
 521     static const uint16 CMD_DVD_GPREG_DIV_VALUE        = 0x7600;
 522     static const uint16 CMD_DVD_GPREG_AND_VALUE        = 0x7900;
 523
 524     // callbacks when browsing inside CodecPrivate
 525     static bool MatchTitleNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 526     static bool MatchPgcType    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 527 };
 528
 529 class dvd_chapter_codec_c : public chapter_codec_cmds_c
 530 {
 531 public:
 532     dvd_chapter_codec_c( demux_sys_t & sys )
 533     :chapter_codec_cmds_c( sys, 1 )
 534     ,interpretor( sys )
 535     {}
 536
 537     bool Enter();
 538     bool Leave();
 539     std::string GetCodecName( bool f_for_title = false ) const;
 540
 541 protected:
 542     dvd_command_interpretor_c interpretor;
 543 };
 544
 545 class matroska_script_interpretor_c
 546 {
 547 public:
 548     matroska_script_interpretor_c( demux_sys_t & demuxer )
 549     :sys( demuxer )
 550     {}
 551
 552     bool Interpret( const binary * p_command, size_t i_size );
 553
 554     // DVD command IDs
 555     static const std::string CMD_MS_GOTO_AND_PLAY;
 556
 557 protected:
 558     demux_sys_t  & sys;
 559 };
 560
 561 const std::string matroska_script_interpretor_c::CMD_MS_GOTO_AND_PLAY = "GotoAndPlay";
 562
 563
 564 class matroska_script_codec_c : public chapter_codec_cmds_c
 565 {
 566 public:
 567     matroska_script_codec_c( demux_sys_t & sys )
 568     :chapter_codec_cmds_c( sys, 0 )
 569     ,interpretor( sys )
 570     {}
 571
 572     bool Enter();
 573     bool Leave();
 574
 575 protected:
 576     matroska_script_interpretor_c interpretor;
 577 };
 578
 579 class chapter_translation_c
 580 {
 581 public:
 582     KaxChapterTranslateID  translated;
 583     unsigned int           codec_id;
 584     std::vector<uint64_t>  editions;
 585 };
 586
 587 class chapter_item_c
 588 {
 589 public:
 590     chapter_item_c()
 591     :i_start_time(0)
 592     ,i_end_time(-1)
 593     ,i_user_start_time(-1)
 594     ,i_user_end_time(-1)
 595     ,i_seekpoint_num(-1)
 596     ,b_display_seekpoint(true)
 597     ,b_user_display(false)
 598     ,psz_parent(NULL)
 599     {}
 600
 601     virtual ~chapter_item_c()
 602     {
 603         std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
 604         while ( index != codecs.end() )
 605         {
 606             delete (*index);
 607             index++;
 608         }
 609         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
 610         while ( index_ != sub_chapters.end() )
 611         {
 612             delete (*index_);
 613             index_++;
 614         }
 615     }
 616
 617     int64_t RefreshChapters( bool b_ordered, int64_t i_prev_user_time );
 618     int PublishChapters( input_title_t & title, int & i_user_chapters, int i_level = 0 );
 619     chapter_item_c * FindTimecode( mtime_t i_timecode );
 620     void Append( const chapter_item_c & edition );
 621     chapter_item_c * FindChapter( int64_t i_find_uid );
 622     virtual chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
 623                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
 624                                     const void *p_cookie,
 625                                     size_t i_cookie_size );
 626     std::string                 GetCodecName( bool f_for_title = false ) const;
 627     bool                        ParentOf( const chapter_item_c & item ) const;
 628
 629     int64_t                     i_start_time, i_end_time;
 630     int64_t                     i_user_start_time, i_user_end_time; /* the time in the stream when an edition is ordered */
 631     std::vector<chapter_item_c*> sub_chapters;
 632     int                         i_seekpoint_num;
 633     int64_t                     i_uid;
 634     bool                        b_display_seekpoint;
 635     bool                        b_user_display;
 636     std::string                 psz_name;
 637     chapter_item_c              *psz_parent;
 638
 639     std::vector<chapter_codec_cmds_c*> codecs;
 640
 641     bool operator<( const chapter_item_c & item ) const
 642     {
 643         return ( i_user_start_time < item.i_user_start_time || (i_user_start_time == item.i_user_start_time && i_user_end_time < item.i_user_end_time) );
 644     }
 645
 646     bool Enter( bool b_do_subchapters );
 647     bool Leave( bool b_do_subchapters );
 648     bool EnterAndLeave( chapter_item_c *p_item );
 649 };
 650
 651 class chapter_edition_c : public chapter_item_c
 652 {
 653 public:
 654     chapter_edition_c()
 655     :b_ordered(false)
 656     {}
 657
 658     void RefreshChapters( );
 659     mtime_t Duration() const;
 660     std::string GetMainName() const;
 661
 662     bool                        b_ordered;
 663 };
 664
 665 class matroska_segment_c
 666 {
 667 public:
 668     matroska_segment_c( demux_sys_t & demuxer, EbmlStream & estream )
 669         :segment(NULL)
 670         ,es(estream)
 671         ,i_timescale(MKVD_TIMECODESCALE)
 672         ,i_duration(-1)
 673         ,i_start_time(0)
 674         ,i_cues_position(-1)
 675         ,i_chapters_position(-1)
 676         ,i_tags_position(-1)
 677         ,cluster(NULL)
 678         ,i_start_pos(0)
 679         ,b_cues(VLC_FALSE)
 680         ,i_index(0)
 681         ,i_index_max(1024)
 682         ,psz_muxing_application(NULL)
 683         ,psz_writing_application(NULL)
 684         ,psz_segment_filename(NULL)
 685         ,psz_title(NULL)
 686         ,psz_date_utc(NULL)
 687         ,i_default_edition(0)
 688         ,sys(demuxer)
 689         ,ep(NULL)
 690         ,b_preloaded(false)
 691     {
 692         index = (mkv_index_t*)malloc( sizeof( mkv_index_t ) * i_index_max );
 693     }
 694
 695     virtual ~matroska_segment_c()
 696     {
 697         for( size_t i_track = 0; i_track < tracks.size(); i_track++ )
 698         {
 699 #define tk  tracks[i_track]
 700             if( tk->fmt.psz_description )
 701             {
 702                 free( tk->fmt.psz_description );
 703             }
 704             if( tk->psz_codec )
 705             {
 706                 free( tk->psz_codec );
 707             }
 708             if( tk->fmt.psz_language )
 709             {
 710                 free( tk->fmt.psz_language );
 711             }
 712             delete tk;
 713 #undef tk
 714         }
 715
 716         if( psz_writing_application )
 717         {
 718             free( psz_writing_application );
 719         }
 720         if( psz_muxing_application )
 721         {
 722             free( psz_muxing_application );
 723         }
 724         if( psz_segment_filename )
 725         {
 726             free( psz_segment_filename );
 727         }
 728         if( psz_title )
 729         {
 730             free( psz_title );
 731         }
 732         if( psz_date_utc )
 733         {
 734             free( psz_date_utc );
 735         }
 736         if ( index )
 737             free( index );
 738
 739         delete ep;
 740
 741         std::vector<chapter_edition_c*>::iterator index = stored_editions.begin();
 742         while ( index != stored_editions.end() )
 743         {
 744             delete (*index);
 745             index++;
 746         }
 747     }
 748
 749     KaxSegment              *segment;
 750     EbmlStream              & es;
 751
 752     /* time scale */
 753     uint64_t                i_timescale;
 754
 755     /* duration of the segment */
 756     mtime_t                 i_duration;
 757     mtime_t                 i_start_time;
 758
 759     /* all tracks */
 760     std::vector<mkv_track_t*> tracks;
 761
 762     /* from seekhead */
 763     int64_t                 i_cues_position;
 764     int64_t                 i_chapters_position;
 765     int64_t                 i_tags_position;
 766
 767     KaxCluster              *cluster;
 768     int64_t                 i_start_pos;
 769     KaxSegmentUID           segment_uid;
 770     KaxPrevUID              prev_segment_uid;
 771     KaxNextUID              next_segment_uid;
 772
 773     vlc_bool_t              b_cues;
 774     int                     i_index;
 775     int                     i_index_max;
 776     mkv_index_t             *index;
 777
 778     /* info */
 779     char                    *psz_muxing_application;
 780     char                    *psz_writing_application;
 781     char                    *psz_segment_filename;
 782     char                    *psz_title;
 783     char                    *psz_date_utc;
 784
 785     /* !!!!! GCC 3.3 bug on Darwin !!!!! */
 786     /* when you remove this variable the compiler issues an atomicity error */
 787     /* this variable only works when using std::vector<chapter_edition_c> */
 788     std::vector<chapter_edition_c*> stored_editions;
 789     int                             i_default_edition;
 790
 791     std::vector<chapter_translation_c> translations;
 792     std::vector<KaxSegmentFamily>  families;
 793
 794     demux_sys_t                    & sys;
 795     EbmlParser                     *ep;
 796     bool                           b_preloaded;
 797
 798     bool Preload( );
 799     bool PreloadFamily( const matroska_segment_c & segment );
 800     void ParseInfo( KaxInfo *info );
 801     void ParseChapters( KaxChapters *chapters );
 802     void ParseSeekHead( KaxSeekHead *seekhead );
 803     void ParseTracks( KaxTracks *tracks );
 804     void ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters );
 805     void ParseTrackEntry( KaxTrackEntry *m );
 806     void ParseCluster( );
 807     void IndexAppendCluster( KaxCluster *cluster );
 808     void LoadCues( );
 809     void LoadTags( );
 810     void InformationCreate( );
 811     void Seek( mtime_t i_date, mtime_t i_time_offset );
 812     int BlockGet( KaxBlock **pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration );
 813     bool Select( mtime_t i_start_time );
 814     void UnSelect( );
 815
 816     static bool CompareSegmentUIDs( const matroska_segment_c * item_a, const matroska_segment_c * item_b );
 817 };
 818
 819 // class holding hard-linked segment together in the playback order
 820 class virtual_segment_c
 821 {
 822 public:
 823     virtual_segment_c( matroska_segment_c *p_segment )
 824         :i_current_segment(0)
 825         ,p_editions(NULL)
 826         ,i_current_edition(-1)
 827         ,psz_current_chapter(NULL)
 828         ,i_sys_title(0)
 829     {
 830         linked_segments.push_back( p_segment );
 831
 832         AppendUID( p_segment->segment_uid );
 833         AppendUID( p_segment->prev_segment_uid );
 834         AppendUID( p_segment->next_segment_uid );
 835     }
 836
 837     void Sort();
 838     size_t AddSegment( matroska_segment_c *p_segment );
 839     void PreloadLinked( );
 840     mtime_t Duration( ) const;
 841     void LoadCues( );
 842     void Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter );
 843
 844     inline chapter_edition_c *Edition()
 845     {
 846         if ( i_current_edition >= 0 && size_t(i_current_edition) < p_editions->size() )
 847             return (*p_editions)[i_current_edition];
 848         return NULL;
 849     }
 850
 851     matroska_segment_c * Segment() const
 852     {
 853         if ( linked_segments.size() == 0 || i_current_segment >= linked_segments.size() )
 854             return NULL;
 855         return linked_segments[i_current_segment];
 856     }
 857
 858     inline const chapter_item_c *CurrentChapter() const {
 859         return psz_current_chapter;
 860     }
 861
 862     bool SelectNext()
 863     {
 864         if ( i_current_segment < linked_segments.size()-1 )
 865         {
 866             i_current_segment++;
 867             return true;
 868         }
 869         return false;
 870     }
 871
 872     bool FindUID( KaxSegmentUID & uid ) const
 873     {
 874         for ( size_t i=0; i<linked_uids.size(); i++ )
 875         {
 876             if ( linked_uids[i] == uid )
 877                 return true;
 878         }
 879         return false;
 880     }
 881
 882     bool UpdateCurrentToChapter( demux_t & demux );
 883     void PrepareChapters( );
 884
 885     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
 886                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
 887                                         const void *p_cookie,
 888                                         size_t i_cookie_size );
 889     chapter_item_c *FindChapter( int64_t i_find_uid );
 890
 891     std::vector<chapter_edition_c*>  *p_editions;
 892     int                              i_sys_title;
 893
 894 protected:
 895     std::vector<matroska_segment_c*> linked_segments;
 896     std::vector<KaxSegmentUID>       linked_uids;
 897     size_t                           i_current_segment;
 898
 899     int                              i_current_edition;
 900     chapter_item_c                   *psz_current_chapter;
 901
 902     void                             AppendUID( const EbmlBinary & UID );
 903 };
 904
 905 class matroska_stream_c
 906 {
 907 public:
 908     matroska_stream_c( demux_sys_t & demuxer )
 909         :p_in(NULL)
 910         ,p_es(NULL)
 911         ,sys(demuxer)
 912     {}
 913
 914     virtual ~matroska_stream_c()
 915     {
 916         delete p_in;
 917         delete p_es;
 918     }
 919
 920     IOCallback         *p_in;
 921     EbmlStream         *p_es;
 922
 923     std::vector<matroska_segment_c*> segments;
 924
 925     demux_sys_t                      & sys;
 926 };
 927
 928 class demux_sys_t
 929 {
 930 public:
 931     demux_sys_t( demux_t & demux )
 932         :demuxer(demux)
 933         ,i_pts(0)
 934         ,i_start_pts(0)
 935         ,i_chapter_time(0)
 936         ,meta(NULL)
 937         ,i_current_title(0)
 938         ,p_current_segment(NULL)
 939         ,f_duration(-1.0)
 940     {}
 941
 942     virtual ~demux_sys_t()
 943     {
 944         size_t i;
 945         for ( i=0; i<streams.size(); i++ )
 946             delete streams[i];
 947         for ( i=0; i<opened_segments.size(); i++ )
 948             delete opened_segments[i];
 949         for ( i=0; i<used_segments.size(); i++ )
 950             delete used_segments[i];
 951     }
 952
 953     /* current data */
 954     demux_t                 & demuxer;
 955
 956     mtime_t                 i_pts;
 957     mtime_t                 i_start_pts;
 958     mtime_t                 i_chapter_time;
 959
 960     vlc_meta_t              *meta;
 961
 962     std::vector<input_title_t>       titles; // matroska editions
 963     size_t                           i_current_title;
 964
 965     std::vector<matroska_stream_c*>  streams;
 966     std::vector<matroska_segment_c*> opened_segments;
 967     std::vector<virtual_segment_c*>  used_segments;
 968     virtual_segment_c                *p_current_segment;
 969
 970     /* duration of the stream */
 971     float                   f_duration;
 972
 973     matroska_segment_c *FindSegment( const EbmlBinary & uid ) const;
 974     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
 975                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
 976                                         const void *p_cookie,
 977                                         size_t i_cookie_size,
 978                                         virtual_segment_c * & p_segment_found );
 979     chapter_item_c *FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found );
 980
 981     void PreloadFamily( const matroska_segment_c & of_segment );
 982     void PreloadLinked( matroska_segment_c *p_segment );
 983     bool PreparePlayback( virtual_segment_c *p_new_segment );
 984     matroska_stream_c *AnalyseAllSegmentsFound( EbmlStream *p_estream );
 985
 986 protected:
 987     virtual_segment_c *VirtualFromSegments( matroska_segment_c *p_segment ) const;
 988     bool IsUsedSegment( matroska_segment_c &p_segment ) const;
 989 };
 990
 991 static int  Demux  ( demux_t * );
 992 static int  Control( demux_t *, int, va_list );
 993 static void Seek   ( demux_t *, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter );
 994
 995 #define MKV_IS_ID( el, C ) ( EbmlId( (*el) ) == C::ClassInfos.GlobalId )
 996
 997 static char *UTF8ToStr          ( const UTFstring &u );
 998
 999 /*****************************************************************************
1000  * Open: initializes matroska demux structures
1001  *****************************************************************************/
1002 static int Open( vlc_object_t * p_this )
1003 {
1004     demux_t            *p_demux = (demux_t*)p_this;
1005     demux_sys_t        *p_sys;
1006     matroska_stream_c  *p_stream;
1007     matroska_segment_c *p_segment;
1008     uint8_t            *p_peek;
1009     std::string        s_path, s_filename;
1010     vlc_stream_io_callback *p_io_callback;
1011     EbmlStream         *p_io_stream;
1012
1013     /* peek the begining */
1014     if( stream_Peek( p_demux->s, &p_peek, 4 ) < 4 ) return VLC_EGENERIC;
1015
1016     /* is a valid file */
1017     if( p_peek[0] != 0x1a || p_peek[1] != 0x45 ||
1018         p_peek[2] != 0xdf || p_peek[3] != 0xa3 ) return VLC_EGENERIC;
1019
1020     /* Set the demux function */
1021     p_demux->pf_demux   = Demux;
1022     p_demux->pf_control = Control;
1023     p_demux->p_sys      = p_sys = new demux_sys_t( *p_demux );
1024
1025     p_io_callback = new vlc_stream_io_callback( p_demux->s );
1026     p_io_stream = new EbmlStream( *p_io_callback );
1027
1028     if( p_io_stream == NULL )
1029     {
1030         msg_Err( p_demux, "failed to create EbmlStream" );
1031         delete p_io_callback;
1032         delete p_sys;
1033         return VLC_EGENERIC;
1034     }
1035
1036     p_stream = p_sys->AnalyseAllSegmentsFound( p_io_stream );
1037     if( p_stream == NULL )
1038     {
1039         msg_Err( p_demux, "cannot find KaxSegment" );
1040         goto error;
1041     }
1042     p_sys->streams.push_back( p_stream );
1043
1044     p_stream->p_in = p_io_callback;
1045     p_stream->p_es = p_io_stream;
1046
1047     for (size_t i=0; i<p_stream->segments.size(); i++)
1048     {
1049         p_stream->segments[i]->Preload();
1050     }
1051
1052     p_segment = p_stream->segments[0];
1053     if( p_segment->cluster != NULL )
1054     {
1055         msg_Warn( p_demux, "cannot find any cluster, damaged file ?" );
1056
1057         // reset the stream reading to the first cluster of the segment used
1058         p_stream->p_in->setFilePointer( p_segment->cluster->GetElementPosition() );
1059     }
1060
1061     /* get the files from the same dir from the same family (based on p_demux->psz_path) */
1062     if (p_demux->psz_path[0] != '\0' && !strcmp(p_demux->psz_access, ""))
1063     {
1064         // assume it's a regular file
1065         // get the directory path
1066         s_path = p_demux->psz_path;
1067         if (s_path.at(s_path.length() - 1) == DIRECTORY_SEPARATOR)
1068         {
1069             s_path = s_path.substr(0,s_path.length()-1);
1070         }
1071         else
1072         {
1073             if (s_path.find_last_of(DIRECTORY_SEPARATOR) > 0)
1074             {
1075                 s_path = s_path.substr(0,s_path.find_last_of(DIRECTORY_SEPARATOR));
1076             }
1077         }
1078
1079         struct dirent *p_file_item;
1080         DIR *p_src_dir = opendir(s_path.c_str());
1081
1082         if (p_src_dir != NULL)
1083         {
1084             while ((p_file_item = (dirent *) readdir(p_src_dir)))
1085             {
1086                 if (strlen(p_file_item->d_name) > 4)
1087                 {
1088                     s_filename = s_path + DIRECTORY_SEPARATOR + p_file_item->d_name;
1089
1090                     if (!s_filename.compare(p_demux->psz_path))
1091                         continue; // don't reuse the original opened file
1092
1093 #if defined(__GNUC__) && (__GNUC__ < 3)
1094                     if (!s_filename.compare("mkv", s_filename.length() - 3, 3) ||
1095                         !s_filename.compare("mka", s_filename.length() - 3, 3))
1096 #else
1097                     if (!s_filename.compare(s_filename.length() - 3, 3, "mkv") ||
1098                         !s_filename.compare(s_filename.length() - 3, 3, "mka"))
1099 #endif
1100                     {
1101                         // test wether this file belongs to the our family
1102                         StdIOCallback *p_file_io = new StdIOCallback(s_filename.c_str(), MODE_READ);
1103                         EbmlStream *p_estream = new EbmlStream(*p_file_io);
1104
1105                         p_stream = p_sys->AnalyseAllSegmentsFound( p_estream );
1106                         if ( p_stream == NULL )
1107                         {
1108                             msg_Dbg( p_demux, "the file '%s' will not be used", s_filename.c_str() );
1109                             delete p_estream;
1110                             delete p_file_io;
1111                         }
1112                         else
1113                         {
1114                             p_stream->p_in = p_file_io;
1115                             p_stream->p_es = p_estream;
1116                             p_sys->streams.push_back( p_stream );
1117                         }
1118                     }
1119                 }
1120             }
1121             closedir( p_src_dir );
1122         }
1123     }
1124
1125     p_sys->PreloadFamily( *p_segment );
1126     p_sys->PreloadLinked( p_segment );
1127     if ( !p_sys->PreparePlayback( NULL ) )
1128     {
1129         msg_Err( p_demux, "cannot use the segment" );
1130         goto error;
1131     }
1132
1133     return VLC_SUCCESS;
1134
1135 error:
1136     delete p_sys;
1137     return VLC_EGENERIC;
1138 }
1139
1140 /*****************************************************************************
1141  * Close: frees unused data
1142  *****************************************************************************/
1143 static void Close( vlc_object_t *p_this )
1144 {
1145     demux_t     *p_demux = (demux_t*)p_this;
1146     demux_sys_t *p_sys   = p_demux->p_sys;
1147
1148     delete p_sys;
1149 }
1150
1151 /*****************************************************************************
1152  * Control:
1153  *****************************************************************************/
1154 static int Control( demux_t *p_demux, int i_query, va_list args )
1155 {
1156     demux_sys_t        *p_sys = p_demux->p_sys;
1157     int64_t     *pi64;
1158     double      *pf, f;
1159     int         i_skp;
1160     size_t      i_idx;
1161
1162     vlc_meta_t **pp_meta;
1163
1164     switch( i_query )
1165     {
1166         case DEMUX_GET_META:
1167             pp_meta = (vlc_meta_t**)va_arg( args, vlc_meta_t** );
1168             *pp_meta = vlc_meta_Duplicate( p_sys->meta );
1169             return VLC_SUCCESS;
1170
1171         case DEMUX_GET_LENGTH:
1172             pi64 = (int64_t*)va_arg( args, int64_t * );
1173             if( p_sys->f_duration > 0.0 )
1174             {
1175                 *pi64 = (int64_t)(p_sys->f_duration * 1000);
1176                 return VLC_SUCCESS;
1177             }
1178             return VLC_EGENERIC;
1179
1180         case DEMUX_GET_POSITION:
1181             pf = (double*)va_arg( args, double * );
1182             if ( p_sys->f_duration > 0.0 )
1183                 *pf = (double)(p_sys->i_pts >= p_sys->i_start_pts ? p_sys->i_pts : p_sys->i_start_pts ) / (1000.0 * p_sys->f_duration);
1184             return VLC_SUCCESS;
1185
1186         case DEMUX_SET_POSITION:
1187             f = (double)va_arg( args, double );
1188             Seek( p_demux, -1, f, NULL );
1189             return VLC_SUCCESS;
1190
1191         case DEMUX_GET_TIME:
1192             pi64 = (int64_t*)va_arg( args, int64_t * );
1193             *pi64 = p_sys->i_pts;
1194             return VLC_SUCCESS;
1195
1196         case DEMUX_GET_TITLE_INFO:
1197             if( p_sys->titles.size() )
1198             {
1199                 input_title_t ***ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
1200                 int *pi_int    = (int*)va_arg( args, int* );
1201
1202                 *pi_int = p_sys->titles.size();
1203                 *ppp_title = (input_title_t**)malloc( sizeof( input_title_t**) * p_sys->titles.size() );
1204
1205                 for( size_t i = 0; i < p_sys->titles.size(); i++ )
1206                 {
1207                     (*ppp_title)[i] = vlc_input_title_Duplicate( &p_sys->titles[i] );
1208                 }
1209
1210                 return VLC_SUCCESS;
1211             }
1212             return VLC_EGENERIC;
1213
1214         case DEMUX_SET_TITLE:
1215             /* TODO handle editions as titles */
1216             i_idx = (int)va_arg( args, int );
1217             if( i_idx < p_sys->used_segments.size() )
1218             {
1219                 p_sys->PreparePlayback( p_sys->used_segments[i_idx] );
1220                 return VLC_SUCCESS;
1221             }
1222             return VLC_EGENERIC;
1223
1224         case DEMUX_SET_SEEKPOINT:
1225             i_skp = (int)va_arg( args, int );
1226
1227             if( p_sys->titles.size() && i_skp < p_sys->titles[p_sys->i_current_title].i_seekpoint)
1228             {
1229                 Seek( p_demux, (int64_t)p_sys->titles[p_sys->i_current_title].seekpoint[i_skp]->i_time_offset, -1, NULL);
1230                 p_demux->info.i_seekpoint |= INPUT_UPDATE_SEEKPOINT;
1231                 p_demux->info.i_seekpoint = i_skp;
1232                 return VLC_SUCCESS;
1233             }
1234             return VLC_EGENERIC;
1235
1236         case DEMUX_SET_TIME:
1237         case DEMUX_GET_FPS:
1238         default:
1239             return VLC_EGENERIC;
1240     }
1241 }
1242
1243 int matroska_segment_c::BlockGet( KaxBlock **pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration )
1244 {
1245     *pp_block = NULL;
1246     *pi_ref1  = -1;
1247     *pi_ref2  = -1;
1248
1249     for( ;; )
1250     {
1251         EbmlElement *el;
1252         int         i_level;
1253
1254         if ( ep == NULL )
1255             return VLC_EGENERIC;
1256
1257         el = ep->Get();
1258         i_level = ep->GetLevel();
1259
1260         if( el == NULL && *pp_block != NULL )
1261         {
1262             /* update the index */
1263 #define idx index[i_index - 1]
1264             if( i_index > 0 && idx.i_time == -1 )
1265             {
1266                 idx.i_time        = (*pp_block)->GlobalTimecode() / (mtime_t)1000;
1267                 idx.b_key         = *pi_ref1 == -1 ? VLC_TRUE : VLC_FALSE;
1268             }
1269 #undef idx
1270             return VLC_SUCCESS;
1271         }
1272
1273         if( el == NULL )
1274         {
1275             if( ep->GetLevel() > 1 )
1276             {
1277                 ep->Up();
1278                 continue;
1279             }
1280             msg_Warn( &sys.demuxer, "EOF" );
1281             return VLC_EGENERIC;
1282         }
1283
1284         /* do parsing */
1285         if( i_level == 1 )
1286         {
1287             if( MKV_IS_ID( el, KaxCluster ) )
1288             {
1289                 cluster = (KaxCluster*)el;
1290
1291                 /* add it to the index */
1292                 if( i_index == 0 ||
1293                     ( i_index > 0 && index[i_index - 1].i_position < (int64_t)cluster->GetElementPosition() ) )
1294                 {
1295                     IndexAppendCluster( cluster );
1296                 }
1297
1298                 // reset silent tracks
1299                 for (size_t i=0; i<tracks.size(); i++)
1300                 {
1301                     tracks[i]->b_silent = VLC_FALSE;
1302                 }
1303
1304                 ep->Down();
1305             }
1306             else if( MKV_IS_ID( el, KaxCues ) )
1307             {
1308                 msg_Warn( &sys.demuxer, "find KaxCues FIXME" );
1309                 return VLC_EGENERIC;
1310             }
1311             else
1312             {
1313                 msg_Dbg( &sys.demuxer, "unknown (%s)", typeid( el ).name() );
1314             }
1315         }
1316         else if( i_level == 2 )
1317         {
1318             if( MKV_IS_ID( el, KaxClusterTimecode ) )
1319             {
1320                 KaxClusterTimecode &ctc = *(KaxClusterTimecode*)el;
1321
1322                 ctc.ReadData( es.I_O(), SCOPE_ALL_DATA );
1323                 cluster->InitTimecode( uint64( ctc ), i_timescale );
1324             }
1325             else if( MKV_IS_ID( el, KaxClusterSilentTracks ) )
1326             {
1327                 ep->Down();
1328             }
1329             else if( MKV_IS_ID( el, KaxBlockGroup ) )
1330             {
1331                 ep->Down();
1332             }
1333         }
1334         else if( i_level == 3 )
1335         {
1336             if( MKV_IS_ID( el, KaxBlock ) )
1337             {
1338                 *pp_block = (KaxBlock*)el;
1339
1340                 (*pp_block)->ReadData( es.I_O() );
1341                 (*pp_block)->SetParent( *cluster );
1342
1343                 ep->Keep();
1344             }
1345             else if( MKV_IS_ID( el, KaxBlockDuration ) )
1346             {
1347                 KaxBlockDuration &dur = *(KaxBlockDuration*)el;
1348
1349                 dur.ReadData( es.I_O() );
1350                 *pi_duration = uint64( dur );
1351             }
1352             else if( MKV_IS_ID( el, KaxReferenceBlock ) )
1353             {
1354                 KaxReferenceBlock &ref = *(KaxReferenceBlock*)el;
1355
1356                 ref.ReadData( es.I_O() );
1357                 if( *pi_ref1 == -1 )
1358                 {
1359                     *pi_ref1 = int64( ref );
1360                 }
1361                 else
1362                 {
1363                     *pi_ref2 = int64( ref );
1364                 }
1365             }
1366             else if( MKV_IS_ID( el, KaxClusterSilentTrackNumber ) )
1367             {
1368                 KaxClusterSilentTrackNumber &track_num = *(KaxClusterSilentTrackNumber*)el;
1369                 track_num.ReadData( es.I_O() );
1370                 // find the track
1371                 for (size_t i=0; i<tracks.size(); i++)
1372                 {
1373                     if ( tracks[i]->i_number == uint32(track_num))
1374                     {
1375                         tracks[i]->b_silent = VLC_TRUE;
1376                         break;
1377                     }
1378                 }
1379             }
1380         }
1381         else
1382         {
1383             msg_Err( &sys.demuxer, "invalid level = %d", i_level );
1384             return VLC_EGENERIC;
1385         }
1386     }
1387 }
1388
1389 static block_t *MemToBlock( demux_t *p_demux, uint8_t *p_mem, int i_mem)
1390 {
1391     block_t *p_block;
1392     if( !(p_block = block_New( p_demux, i_mem ) ) ) return NULL;
1393     memcpy( p_block->p_buffer, p_mem, i_mem );
1394     //p_block->i_rate = p_input->stream.control.i_rate;
1395     return p_block;
1396 }
1397
1398 static void BlockDecode( demux_t *p_demux, KaxBlock *block, mtime_t i_pts,
1399                          mtime_t i_duration )
1400 {
1401     demux_sys_t        *p_sys = p_demux->p_sys;
1402     matroska_segment_c *p_segment = p_sys->p_current_segment->Segment();
1403
1404     size_t          i_track;
1405     unsigned int    i;
1406     vlc_bool_t      b;
1407
1408 #define tk  p_segment->tracks[i_track]
1409     for( i_track = 0; i_track < p_segment->tracks.size(); i_track++ )
1410     {
1411         if( tk->i_number == block->TrackNum() )
1412         {
1413             break;
1414         }
1415     }
1416
1417     if( i_track >= p_segment->tracks.size() )
1418     {
1419         msg_Err( p_demux, "invalid track number=%d", block->TrackNum() );
1420         return;
1421     }
1422     if( tk->p_es == NULL )
1423     {
1424         msg_Err( p_demux, "unknown track number=%d", block->TrackNum() );
1425         return;
1426     }
1427     if( i_pts < p_sys->i_start_pts && tk->fmt.i_cat == AUDIO_ES )
1428     {
1429         return; /* discard audio packets that shouldn't be rendered */
1430     }
1431
1432     es_out_Control( p_demux->out, ES_OUT_GET_ES_STATE, tk->p_es, &b );
1433     if( !b )
1434     {
1435         tk->b_inited = VLC_FALSE;
1436         return;
1437     }
1438
1439     /* First send init data */
1440     if( !tk->b_inited && tk->i_data_init > 0 )
1441     {
1442         block_t *p_init;
1443
1444         msg_Dbg( p_demux, "sending header (%d bytes)", tk->i_data_init );
1445         p_init = MemToBlock( p_demux, tk->p_data_init, tk->i_data_init );
1446         if( p_init ) es_out_Send( p_demux->out, tk->p_es, p_init );
1447     }
1448     tk->b_inited = VLC_TRUE;
1449
1450
1451     for( i = 0; i < block->NumberFrames(); i++ )
1452     {
1453         block_t *p_block;
1454         DataBuffer &data = block->GetBuffer(i);
1455
1456         p_block = MemToBlock( p_demux, data.Buffer(), data.Size() );
1457
1458         if( p_block == NULL )
1459         {
1460             break;
1461         }
1462
1463 #if defined(HAVE_ZLIB_H)
1464         if( tk->i_compression_type )
1465         {
1466             p_block = block_zlib_decompress( VLC_OBJECT(p_demux), p_block );
1467         }
1468 #endif
1469
1470         // TODO implement correct timestamping when B frames are used
1471         if( tk->fmt.i_cat != VIDEO_ES )
1472         {
1473             p_block->i_dts = p_block->i_pts = i_pts;
1474         }
1475         else
1476         {
1477             p_block->i_dts = i_pts;
1478             p_block->i_pts = 0;
1479         }
1480
1481         if( tk->fmt.i_cat == SPU_ES && strcmp( tk->psz_codec, "S_VOBSUB" ) )
1482         {
1483             p_block->i_length = i_duration * 1000;
1484         }
1485
1486         es_out_Send( p_demux->out, tk->p_es, p_block );
1487
1488         /* use time stamp only for first block */
1489         i_pts = 0;
1490     }
1491
1492 #undef tk
1493 }
1494
1495 matroska_stream_c *demux_sys_t::AnalyseAllSegmentsFound( EbmlStream *p_estream )
1496 {
1497     int i_upper_lvl = 0;
1498     size_t i;
1499     EbmlElement *p_l0, *p_l1, *p_l2;
1500     bool b_keep_stream = false, b_keep_segment;
1501
1502     // verify the EBML Header
1503     p_l0 = p_estream->FindNextID(EbmlHead::ClassInfos, 0xFFFFFFFFL);
1504     if (p_l0 == NULL)
1505     {
1506         return NULL;
1507     }
1508     p_l0->SkipData(*p_estream, EbmlHead_Context);
1509     delete p_l0;
1510
1511     // find all segments in this file
1512     p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFL);
1513     if (p_l0 == NULL)
1514     {
1515         return NULL;
1516     }
1517
1518     matroska_stream_c *p_stream1 = new matroska_stream_c( *this );
1519
1520     while (p_l0 != 0)
1521     {
1522         if (EbmlId(*p_l0) == KaxSegment::ClassInfos.GlobalId)
1523         {
1524             EbmlParser  *ep;
1525             matroska_segment_c *p_segment1 = new matroska_segment_c( *this, *p_estream );
1526             b_keep_segment = false;
1527
1528             ep = new EbmlParser(p_estream, p_l0, &demuxer );
1529             p_segment1->ep = ep;
1530             p_segment1->segment = (KaxSegment*)p_l0;
1531
1532             while ((p_l1 = ep->Get()))
1533             {
1534                 if (MKV_IS_ID(p_l1, KaxInfo))
1535                 {
1536                     // find the families of this segment
1537                     KaxInfo *p_info = static_cast<KaxInfo*>(p_l1);
1538
1539                     p_info->Read(*p_estream, KaxInfo::ClassInfos.Context, i_upper_lvl, p_l2, true);
1540                     for( i = 0; i < p_info->ListSize(); i++ )
1541                     {
1542                         EbmlElement *l = (*p_info)[i];
1543
1544                         if( MKV_IS_ID( l, KaxSegmentUID ) )
1545                         {
1546                             KaxSegmentUID *p_uid = static_cast<KaxSegmentUID*>(l);
1547                             b_keep_segment = (FindSegment( *p_uid ) == NULL);
1548                             if ( !b_keep_segment )
1549                                 break; // this segment is already known
1550                             opened_segments.push_back( p_segment1 );
1551                             p_segment1->segment_uid = *( new KaxSegmentUID(*p_uid) );
1552                         }
1553                         else if( MKV_IS_ID( l, KaxPrevUID ) )
1554                         {
1555                             p_segment1->prev_segment_uid = *( new KaxPrevUID( *static_cast<KaxPrevUID*>(l) ) );
1556                         }
1557                         else if( MKV_IS_ID( l, KaxNextUID ) )
1558                         {
1559                             p_segment1->next_segment_uid = *( new KaxNextUID( *static_cast<KaxNextUID*>(l) ) );
1560                         }
1561                         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
1562                         {
1563                             KaxSegmentFamily *p_fam = new KaxSegmentFamily( *static_cast<KaxSegmentFamily*>(l) );
1564                             p_segment1->families.push_back( *p_fam );
1565                         }
1566                     }
1567                     break;
1568                 }
1569             }
1570             if ( b_keep_segment )
1571             {
1572                 b_keep_stream = true;
1573                 p_stream1->segments.push_back( p_segment1 );
1574             }
1575             else
1576                 delete p_segment1;
1577         }
1578
1579         p_l0->SkipData(*p_estream, EbmlHead_Context);
1580         p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFL);
1581     }
1582
1583     if ( !b_keep_stream )
1584     {
1585         delete p_stream1;
1586         p_stream1 = NULL;
1587     }
1588
1589     return p_stream1;
1590 }
1591
1592 bool matroska_segment_c::Select( mtime_t i_start_time )
1593 {
1594     size_t i_track;
1595
1596     /* add all es */
1597     msg_Dbg( &sys.demuxer, "found %d es", tracks.size() );
1598     for( i_track = 0; i_track < tracks.size(); i_track++ )
1599     {
1600 #define tk  tracks[i_track]
1601         if( tk->fmt.i_cat == UNKNOWN_ES )
1602         {
1603             msg_Warn( &sys.demuxer, "invalid track[%d, n=%d]", i_track, tk->i_number );
1604             tk->p_es = NULL;
1605             continue;
1606         }
1607
1608         if( !strcmp( tk->psz_codec, "V_MS/VFW/FOURCC" ) )
1609         {
1610             if( tk->i_extra_data < (int)sizeof( BITMAPINFOHEADER ) )
1611             {
1612                 msg_Err( &sys.demuxer, "missing/invalid BITMAPINFOHEADER" );
1613                 tk->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
1614             }
1615             else
1616             {
1617                 BITMAPINFOHEADER *p_bih = (BITMAPINFOHEADER*)tk->p_extra_data;
1618
1619                 tk->fmt.video.i_width = GetDWLE( &p_bih->biWidth );
1620                 tk->fmt.video.i_height= GetDWLE( &p_bih->biHeight );
1621                 tk->fmt.i_codec       = GetFOURCC( &p_bih->biCompression );
1622
1623                 tk->fmt.i_extra       = GetDWLE( &p_bih->biSize ) - sizeof( BITMAPINFOHEADER );
1624                 if( tk->fmt.i_extra > 0 )
1625                 {
1626                     tk->fmt.p_extra = malloc( tk->fmt.i_extra );
1627                     memcpy( tk->fmt.p_extra, &p_bih[1], tk->fmt.i_extra );
1628                 }
1629             }
1630         }
1631         else if( !strcmp( tk->psz_codec, "V_MPEG1" ) ||
1632                  !strcmp( tk->psz_codec, "V_MPEG2" ) )
1633         {
1634             tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'v' );
1635         }
1636         else if( !strncmp( tk->psz_codec, "V_MPEG4", 7 ) )
1637         {
1638             if( !strcmp( tk->psz_codec, "V_MPEG4/MS/V3" ) )
1639             {
1640                 tk->fmt.i_codec = VLC_FOURCC( 'D', 'I', 'V', '3' );
1641             }
1642             else if( !strcmp( tk->psz_codec, "V_MPEG4/ISO/AVC" ) )
1643             {
1644                 tk->fmt.i_codec = VLC_FOURCC( 'a', 'v', 'c', '1' );
1645                 tk->fmt.b_packetized = VLC_FALSE;
1646                 tk->fmt.i_extra = tk->i_extra_data;
1647                 tk->fmt.p_extra = malloc( tk->i_extra_data );
1648                 memcpy( tk->fmt.p_extra,tk->p_extra_data, tk->i_extra_data );
1649             }
1650             else
1651             {
1652                 tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' );
1653             }
1654         }
1655         else if( !strcmp( tk->psz_codec, "V_QUICKTIME" ) )
1656         {
1657             MP4_Box_t *p_box = (MP4_Box_t*)malloc( sizeof( MP4_Box_t ) );
1658 #ifdef VSLHC
1659             stream_t *p_mp4_stream = stream_MemoryNew( VLC_OBJECT(&sys.demuxer),
1660                                                        tk->p_extra_data,
1661                                                        tk->i_extra_data );
1662 #else
1663             stream_t *p_mp4_stream = stream_MemoryNew( VLC_OBJECT(&sys.demuxer),
1664                                                        tk->p_extra_data,
1665                                                        tk->i_extra_data,
1666                                                        VLC_FALSE );
1667 #endif
1668             MP4_ReadBoxCommon( p_mp4_stream, p_box );
1669             MP4_ReadBox_sample_vide( p_mp4_stream, p_box );
1670             tk->fmt.i_codec = p_box->i_type;
1671             tk->fmt.video.i_width = p_box->data.p_sample_vide->i_width;
1672             tk->fmt.video.i_height = p_box->data.p_sample_vide->i_height;
1673             tk->fmt.i_extra = p_box->data.p_sample_vide->i_qt_image_description;
1674             tk->fmt.p_extra = malloc( tk->fmt.i_extra );
1675             memcpy( tk->fmt.p_extra, p_box->data.p_sample_vide->p_qt_image_description, tk->fmt.i_extra );
1676             MP4_FreeBox_sample_vide( p_box );
1677 #ifdef VSLHC
1678             stream_MemoryDelete( p_mp4_stream, VLC_TRUE );
1679 #else
1680             stream_Delete( p_mp4_stream );
1681 #endif
1682         }
1683         else if( !strcmp( tk->psz_codec, "A_MS/ACM" ) )
1684         {
1685             if( tk->i_extra_data < (int)sizeof( WAVEFORMATEX ) )
1686             {
1687                 msg_Err( &sys.demuxer, "missing/invalid WAVEFORMATEX" );
1688                 tk->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
1689             }
1690             else
1691             {
1692                 WAVEFORMATEX *p_wf = (WAVEFORMATEX*)tk->p_extra_data;
1693
1694                 wf_tag_to_fourcc( GetWLE( &p_wf->wFormatTag ), &tk->fmt.i_codec, NULL );
1695
1696                 tk->fmt.audio.i_channels   = GetWLE( &p_wf->nChannels );
1697                 tk->fmt.audio.i_rate = GetDWLE( &p_wf->nSamplesPerSec );
1698                 tk->fmt.i_bitrate    = GetDWLE( &p_wf->nAvgBytesPerSec ) * 8;
1699                 tk->fmt.audio.i_blockalign = GetWLE( &p_wf->nBlockAlign );;
1700                 tk->fmt.audio.i_bitspersample = GetWLE( &p_wf->wBitsPerSample );
1701
1702                 tk->fmt.i_extra            = GetWLE( &p_wf->cbSize );
1703                 if( tk->fmt.i_extra > 0 )
1704                 {
1705                     tk->fmt.p_extra = malloc( tk->fmt.i_extra );
1706                     memcpy( tk->fmt.p_extra, &p_wf[1], tk->fmt.i_extra );
1707                 }
1708             }
1709         }
1710         else if( !strcmp( tk->psz_codec, "A_MPEG/L3" ) ||
1711                  !strcmp( tk->psz_codec, "A_MPEG/L2" ) ||
1712                  !strcmp( tk->psz_codec, "A_MPEG/L1" ) )
1713         {
1714             tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' );
1715         }
1716         else if( !strcmp( tk->psz_codec, "A_AC3" ) )
1717         {
1718             tk->fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' );
1719         }
1720         else if( !strcmp( tk->psz_codec, "A_DTS" ) )
1721         {
1722             tk->fmt.i_codec = VLC_FOURCC( 'd', 't', 's', ' ' );
1723         }
1724         else if( !strcmp( tk->psz_codec, "A_FLAC" ) )
1725         {
1726             tk->fmt.i_codec = VLC_FOURCC( 'f', 'l', 'a', 'c' );
1727             tk->fmt.i_extra = tk->i_extra_data;
1728             tk->fmt.p_extra = malloc( tk->i_extra_data );
1729             memcpy( tk->fmt.p_extra,tk->p_extra_data, tk->i_extra_data );
1730         }
1731         else if( !strcmp( tk->psz_codec, "A_VORBIS" ) )
1732         {
1733             int i, i_offset = 1, i_size[3], i_extra;
1734             uint8_t *p_extra;
1735
1736             tk->fmt.i_codec = VLC_FOURCC( 'v', 'o', 'r', 'b' );
1737
1738             /* Split the 3 headers */
1739             if( tk->p_extra_data[0] != 0x02 )
1740                 msg_Err( &sys.demuxer, "invalid vorbis header" );
1741
1742             for( i = 0; i < 2; i++ )
1743             {
1744                 i_size[i] = 0;
1745                 while( i_offset < tk->i_extra_data )
1746                 {
1747                     i_size[i] += tk->p_extra_data[i_offset];
1748                     if( tk->p_extra_data[i_offset++] != 0xff ) break;
1749                 }
1750             }
1751
1752             i_size[0] = __MIN(i_size[0], tk->i_extra_data - i_offset);
1753             i_size[1] = __MIN(i_size[1], tk->i_extra_data -i_offset -i_size[0]);
1754             i_size[2] = tk->i_extra_data - i_offset - i_size[0] - i_size[1];
1755
1756             tk->fmt.i_extra = 3 * 2 + i_size[0] + i_size[1] + i_size[2];
1757             tk->fmt.p_extra = malloc( tk->fmt.i_extra );
1758             p_extra = (uint8_t *)tk->fmt.p_extra; i_extra = 0;
1759             for( i = 0; i < 3; i++ )
1760             {
1761                 *(p_extra++) = i_size[i] >> 8;
1762                 *(p_extra++) = i_size[i] & 0xFF;
1763                 memcpy( p_extra, tk->p_extra_data + i_offset + i_extra,
1764                         i_size[i] );
1765                 p_extra += i_size[i];
1766                 i_extra += i_size[i];
1767             }
1768         }
1769         else if( !strncmp( tk->psz_codec, "A_AAC/MPEG2/", strlen( "A_AAC/MPEG2/" ) ) ||
1770                  !strncmp( tk->psz_codec, "A_AAC/MPEG4/", strlen( "A_AAC/MPEG4/" ) ) )
1771         {
1772             int i_profile, i_srate;
1773             static unsigned int i_sample_rates[] =
1774             {
1775                     96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050,
1776                         16000, 12000, 11025, 8000,  7350,  0,     0,     0
1777             };
1778
1779             tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
1780             /* create data for faad (MP4DecSpecificDescrTag)*/
1781
1782             if( !strcmp( &tk->psz_codec[12], "MAIN" ) )
1783             {
1784                 i_profile = 0;
1785             }
1786             else if( !strcmp( &tk->psz_codec[12], "LC" ) )
1787             {
1788                 i_profile = 1;
1789             }
1790             else if( !strcmp( &tk->psz_codec[12], "SSR" ) )
1791             {
1792                 i_profile = 2;
1793             }
1794             else
1795             {
1796                 i_profile = 3;
1797             }
1798
1799             for( i_srate = 0; i_srate < 13; i_srate++ )
1800             {
1801                 if( i_sample_rates[i_srate] == tk->fmt.audio.i_rate )
1802                 {
1803                     break;
1804                 }
1805             }
1806             msg_Dbg( &sys.demuxer, "profile=%d srate=%d", i_profile, i_srate );
1807
1808             tk->fmt.i_extra = 2;
1809             tk->fmt.p_extra = malloc( tk->fmt.i_extra );
1810             ((uint8_t*)tk->fmt.p_extra)[0] = ((i_profile + 1) << 3) | ((i_srate&0xe) >> 1);
1811             ((uint8_t*)tk->fmt.p_extra)[1] = ((i_srate & 0x1) << 7) | (tk->fmt.audio.i_channels << 3);
1812         }
1813         else if( !strcmp( tk->psz_codec, "A_PCM/INT/BIG" ) ||
1814                  !strcmp( tk->psz_codec, "A_PCM/INT/LIT" ) ||
1815                  !strcmp( tk->psz_codec, "A_PCM/FLOAT/IEEE" ) )
1816         {
1817             if( !strcmp( tk->psz_codec, "A_PCM/INT/BIG" ) )
1818             {
1819                 tk->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
1820             }
1821             else
1822             {
1823                 tk->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
1824             }
1825             tk->fmt.audio.i_blockalign = ( tk->fmt.audio.i_bitspersample + 7 ) / 8 * tk->fmt.audio.i_channels;
1826         }
1827         else if( !strcmp( tk->psz_codec, "A_TTA1" ) )
1828         {
1829             /* FIXME: support this codec */
1830             msg_Err( &sys.demuxer, "TTA not supported yet[%d, n=%d]", i_track, tk->i_number );
1831             tk->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
1832         }
1833         else if( !strcmp( tk->psz_codec, "A_WAVPACK4" ) )
1834         {
1835             /* FIXME: support this codec */
1836             msg_Err( &sys.demuxer, "Wavpack not supported yet[%d, n=%d]", i_track, tk->i_number );
1837             tk->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
1838         }
1839         else if( !strcmp( tk->psz_codec, "S_TEXT/UTF8" ) )
1840         {
1841             tk->fmt.i_codec = VLC_FOURCC( 's', 'u', 'b', 't' );
1842             tk->fmt.subs.psz_encoding = strdup( "UTF-8" );
1843         }
1844         else if( !strcmp( tk->psz_codec, "S_TEXT/SSA" ) ||
1845                  !strcmp( tk->psz_codec, "S_TEXT/ASS" ) ||
1846                  !strcmp( tk->psz_codec, "S_SSA" ) ||
1847                  !strcmp( tk->psz_codec, "S_ASS" ))
1848         {
1849             tk->fmt.i_codec = VLC_FOURCC( 's', 's', 'a', ' ' );
1850             tk->fmt.subs.psz_encoding = strdup( "UTF-8" );
1851         }
1852         else if( !strcmp( tk->psz_codec, "S_VOBSUB" ) )
1853         {
1854             tk->fmt.i_codec = VLC_FOURCC( 's','p','u',' ' );
1855             if( tk->i_extra_data )
1856             {
1857                 char *p_start;
1858                 char *p_buf = (char *)malloc( tk->i_extra_data + 1);
1859                 memcpy( p_buf, tk->p_extra_data , tk->i_extra_data );
1860                 p_buf[tk->i_extra_data] = '\0';
1861
1862                 p_start = strstr( p_buf, "size:" );
1863                 if( sscanf( p_start, "size: %dx%d",
1864                         &tk->fmt.subs.spu.i_original_frame_width, &tk->fmt.subs.spu.i_original_frame_height ) == 2 )
1865                 {
1866                     msg_Dbg( &sys.demuxer, "original frame size vobsubs: %dx%d", tk->fmt.subs.spu.i_original_frame_width, tk->fmt.subs.spu.i_original_frame_height );
1867                 }
1868                 else
1869                 {
1870                     msg_Warn( &sys.demuxer, "reading original frame size for vobsub failed" );
1871                 }
1872                 free( p_buf );
1873             }
1874         }
1875         else if( !strcmp( tk->psz_codec, "B_VOBBTN" ) )
1876         {
1877             /* FIXME: support this codec */
1878             msg_Err( &sys.demuxer, "Vob Buttons not supported yet[%d, n=%d]", i_track, tk->i_number );
1879             tk->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
1880         }
1881         else
1882         {
1883             msg_Err( &sys.demuxer, "unknow codec id=`%s'", tk->psz_codec );
1884             tk->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
1885         }
1886         if( tk->b_default )
1887         {
1888             tk->fmt.i_priority = 1000;
1889         }
1890
1891         tk->p_es = es_out_Add( sys.demuxer.out, &tk->fmt );
1892
1893         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tk->p_es, i_start_time );
1894 #undef tk
1895     }
1896
1897     sys.i_start_pts = i_start_time;
1898     // reset the stream reading to the first cluster of the segment used
1899     es.I_O().setFilePointer( i_start_pos );
1900
1901     delete ep;
1902     ep = new EbmlParser( &es, segment, &sys.demuxer );
1903
1904     return true;
1905 }
1906
1907 void matroska_segment_c::UnSelect( )
1908 {
1909     size_t i_track;
1910
1911     for( i_track = 0; i_track < tracks.size(); i_track++ )
1912     {
1913 #define tk  tracks[i_track]
1914         if ( tk->p_es != NULL )
1915         {
1916             es_out_Del( sys.demuxer.out, tk->p_es );
1917             tk->p_es = NULL;
1918         }
1919 #undef tk
1920     }
1921     delete ep;
1922     ep = NULL;
1923 }
1924
1925 void virtual_segment_c::PrepareChapters( )
1926 {
1927     if ( linked_segments.size() == 0 )
1928         return;
1929
1930     // !!! should be called only once !!!
1931     matroska_segment_c *p_segment;
1932     size_t i, j;
1933
1934     // copy editions from the first segment
1935     p_segment = linked_segments[0];
1936     p_editions = &p_segment->stored_editions;
1937
1938     for ( i=1 ; i<linked_segments.size(); i++ )
1939     {
1940         p_segment = linked_segments[i];
1941         // FIXME assume we have the same editions in all segments
1942         for (j=0; j<p_segment->stored_editions.size(); j++)
1943             (*p_editions)[j]->Append( *p_segment->stored_editions[j] );
1944     }
1945 }
1946
1947 std::string chapter_edition_c::GetMainName() const
1948 {
1949     if ( sub_chapters.size() )
1950     {
1951         return sub_chapters[0]->GetCodecName( true );
1952     }
1953     return "";
1954 }
1955
1956 int chapter_item_c::PublishChapters( input_title_t & title, int & i_user_chapters, int i_level )
1957 {
1958     // add support for meta-elements from codec like DVD Titles
1959     if ( !b_display_seekpoint || psz_name == "" )
1960     {
1961         psz_name = GetCodecName();
1962         if ( psz_name != "" )
1963             b_display_seekpoint = true;
1964     }
1965
1966     if (b_display_seekpoint)
1967     {
1968         seekpoint_t *sk = vlc_seekpoint_New();
1969
1970         sk->i_level = i_level;
1971         sk->i_time_offset = i_start_time;
1972         sk->psz_name = strdup( psz_name.c_str() );
1973
1974         // A start time of '0' is ok. A missing ChapterTime element is ok, too, because '0' is its default value.
1975         title.i_seekpoint++;
1976         title.seekpoint = (seekpoint_t**)realloc( title.seekpoint, title.i_seekpoint * sizeof( seekpoint_t* ) );
1977         title.seekpoint[title.i_seekpoint-1] = sk;
1978
1979         if ( b_user_display )
1980             i_user_chapters++;
1981     }
1982
1983     for ( size_t i=0; i<sub_chapters.size() ; i++)
1984     {
1985         sub_chapters[i]->PublishChapters( title, i_user_chapters, i_level+1 );
1986     }
1987
1988     i_seekpoint_num = i_user_chapters;
1989
1990     return i_user_chapters;
1991 }
1992
1993 bool virtual_segment_c::UpdateCurrentToChapter( demux_t & demux )
1994 {
1995     demux_sys_t & sys = *demux.p_sys;
1996     chapter_item_c *psz_curr_chapter;
1997
1998     /* update current chapter/seekpoint */
1999     if ( p_editions->size() )
2000     {
2001         /* 1st, we need to know in which chapter we are */
2002         psz_curr_chapter = (*p_editions)[i_current_edition]->FindTimecode( sys.i_pts );
2003
2004         /* we have moved to a new chapter */
2005         if (psz_curr_chapter != NULL && psz_current_chapter != psz_curr_chapter)
2006         {
2007             if ( (*p_editions)[i_current_edition]->b_ordered )
2008             {
2009                 // Leave/Enter up to the link point
2010                 if ( !psz_curr_chapter->EnterAndLeave( psz_current_chapter ) )
2011                 {
2012                     // only seek if necessary
2013                     if ( psz_current_chapter == NULL || (psz_current_chapter->i_end_time != psz_curr_chapter->i_start_time) )
2014                         Seek( demux, sys.i_pts, 0, psz_curr_chapter );
2015                     psz_current_chapter = psz_curr_chapter;
2016                 }
2017             }
2018             else if ( psz_curr_chapter->i_seekpoint_num > 0 )
2019             {
2020                 demux.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
2021                 demux.info.i_title = sys.i_current_title = i_sys_title;
2022                 demux.info.i_seekpoint = psz_curr_chapter->i_seekpoint_num - 1;
2023                 psz_current_chapter = psz_curr_chapter;
2024             }
2025             else
2026             {
2027                 psz_current_chapter = psz_curr_chapter;
2028             }
2029
2030             return true;
2031         }
2032     }
2033     return false;
2034 }
2035
2036 chapter_item_c *virtual_segment_c::BrowseCodecPrivate( unsigned int codec_id,
2037                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
2038                                     const void *p_cookie,
2039                                     size_t i_cookie_size )
2040 {
2041     // FIXME don't assume it is the first edition
2042     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
2043     if ( index != p_editions->end() )
2044     {
2045         chapter_item_c *p_result = (*index)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
2046         if ( p_result != NULL )
2047             return p_result;
2048     }
2049     return NULL;
2050 }
2051
2052 chapter_item_c *virtual_segment_c::FindChapter( int64_t i_find_uid )
2053 {
2054     // FIXME don't assume it is the first edition
2055     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
2056     if ( index != p_editions->end() )
2057     {
2058         chapter_item_c *p_result = (*index)->FindChapter( i_find_uid );
2059         if ( p_result != NULL )
2060             return p_result;
2061     }
2062     return NULL;
2063 }
2064
2065 chapter_item_c *chapter_item_c::BrowseCodecPrivate( unsigned int codec_id,
2066                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
2067                                     const void *p_cookie,
2068                                     size_t i_cookie_size )
2069 {
2070     // this chapter
2071     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2072     while ( index != codecs.end() )
2073     {
2074         if ( match( **index ,p_cookie, i_cookie_size ) )
2075             return this;
2076         index++;
2077     }
2078
2079     // sub-chapters
2080     chapter_item_c *p_result = NULL;
2081     std::vector<chapter_item_c*>::const_iterator index2 = sub_chapters.begin();
2082     while ( index2 != sub_chapters.end() )
2083     {
2084         p_result = (*index2)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
2085         if ( p_result != NULL )
2086             return p_result;
2087         index2++;
2088     }
2089
2090     return p_result;
2091 }
2092
2093 void chapter_item_c::Append( const chapter_item_c & chapter )
2094 {
2095     // we are appending content for the same chapter UID
2096     size_t i;
2097     chapter_item_c *p_chapter;
2098
2099     for ( i=0; i<chapter.sub_chapters.size(); i++ )
2100     {
2101         p_chapter = FindChapter( chapter.sub_chapters[i]->i_uid );
2102         if ( p_chapter != NULL )
2103         {
2104             p_chapter->Append( *chapter.sub_chapters[i] );
2105         }
2106         else
2107         {
2108             sub_chapters.push_back( chapter.sub_chapters[i] );
2109         }
2110     }
2111
2112     i_user_start_time = min( i_user_start_time, chapter.i_user_start_time );
2113     i_user_end_time = max( i_user_end_time, chapter.i_user_end_time );
2114 }
2115
2116 chapter_item_c * chapter_item_c::FindChapter( int64_t i_find_uid )
2117 {
2118     size_t i;
2119     chapter_item_c *p_result = NULL;
2120
2121     if ( i_uid == i_find_uid )
2122         return this;
2123
2124     for ( i=0; i<sub_chapters.size(); i++)
2125     {
2126         p_result = sub_chapters[i]->FindChapter( i_find_uid );
2127         if ( p_result != NULL )
2128             break;
2129     }
2130     return p_result;
2131 }
2132
2133 std::string chapter_item_c::GetCodecName( bool f_for_title ) const
2134 {
2135     std::string result;
2136
2137     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2138     while ( index != codecs.end() )
2139     {
2140         result = (*index)->GetCodecName( f_for_title );
2141         if ( result != "" )
2142             break;
2143         index++;
2144     }
2145
2146     return result;
2147 }
2148
2149 std::string dvd_chapter_codec_c::GetCodecName( bool f_for_title ) const
2150 {
2151     std::string result;
2152     if ( m_private_data.GetSize() >= 3)
2153     {
2154         const binary* p_data = m_private_data.GetBuffer();
2155 /*        if ( p_data[0] == MATROSKA_DVD_LEVEL_TT )
2156         {
2157             uint16_t i_title = (p_data[1] << 8) + p_data[2];
2158             char psz_str[11];
2159             sprintf( psz_str, " %d  ---", i_title );
2160             result = N_("---  DVD Title");
2161             result += psz_str;
2162         }
2163         else */ if ( p_data[0] == MATROSKA_DVD_LEVEL_LU )
2164         {
2165             char psz_str[11];
2166             sprintf( psz_str, " (%c%c)  ---", p_data[1], p_data[2] );
2167             result = N_("---  DVD Menu");
2168             result += psz_str;
2169         }
2170         else if ( p_data[0] == MATROSKA_DVD_LEVEL_SS && f_for_title )
2171         {
2172             if ( p_data[1] == 0x00 )
2173                 result = N_("First Played");
2174             else if ( p_data[1] == 0xC0 )
2175                 result = N_("Video Manager");
2176             else if ( p_data[1] == 0x80 )
2177             {
2178                 uint16_t i_title = (p_data[2] << 8) + p_data[3];
2179                 char psz_str[20];
2180                 sprintf( psz_str, " %d -----", i_title );
2181                 result = N_("----- Title");
2182                 result += psz_str;
2183             }
2184         }
2185     }
2186
2187     return result;
2188 }
2189
2190 static void Seek( demux_t *p_demux, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter )
2191 {
2192     demux_sys_t        *p_sys = p_demux->p_sys;
2193     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
2194     matroska_segment_c *p_segment = p_vsegment->Segment();
2195     mtime_t            i_time_offset = 0;
2196
2197     int         i_index;
2198
2199     msg_Dbg( p_demux, "seek request to "I64Fd" (%f%%)", i_date, f_percent );
2200     if( i_date < 0 && f_percent < 0 )
2201     {
2202         msg_Warn( p_demux, "cannot seek nowhere !" );
2203         return;
2204     }
2205     if( f_percent > 1.0 )
2206     {
2207         msg_Warn( p_demux, "cannot seek so far !" );
2208         return;
2209     }
2210
2211     /* seek without index or without date */
2212     if( f_percent >= 0 && (config_GetInt( p_demux, "mkv-seek-percent" ) || !p_segment->b_cues || i_date < 0 ))
2213     {
2214         if (p_sys->f_duration >= 0)
2215         {
2216             i_date = int64_t( f_percent * p_sys->f_duration * 1000.0 );
2217         }
2218         else
2219         {
2220             int64_t i_pos = int64_t( f_percent * stream_Size( p_demux->s ) );
2221
2222             msg_Dbg( p_demux, "inacurate way of seeking" );
2223             for( i_index = 0; i_index < p_segment->i_index; i_index++ )
2224             {
2225                 if( p_segment->index[i_index].i_position >= i_pos)
2226                 {
2227                     break;
2228                 }
2229             }
2230             if( i_index == p_segment->i_index )
2231             {
2232                 i_index--;
2233             }
2234
2235             i_date = p_segment->index[i_index].i_time;
2236
2237 #if 0
2238             if( p_segment->index[i_index].i_position < i_pos )
2239             {
2240                 EbmlElement *el;
2241
2242                 msg_Warn( p_demux, "searching for cluster, could take some time" );
2243
2244                 /* search a cluster */
2245                 while( ( el = p_sys->ep->Get() ) != NULL )
2246                 {
2247                     if( MKV_IS_ID( el, KaxCluster ) )
2248                     {
2249                         KaxCluster *cluster = (KaxCluster*)el;
2250
2251                         /* add it to the index */
2252                         p_segment->IndexAppendCluster( cluster );
2253
2254                         if( (int64_t)cluster->GetElementPosition() >= i_pos )
2255                         {
2256                             p_sys->cluster = cluster;
2257                             p_sys->ep->Down();
2258                             break;
2259                         }
2260                     }
2261                 }
2262             }
2263 #endif
2264         }
2265     }
2266
2267     p_vsegment->Seek( *p_demux, i_date, i_time_offset, psz_chapter );
2268 }
2269
2270 /*****************************************************************************
2271  * Demux: reads and demuxes data packets
2272  *****************************************************************************
2273  * Returns -1 in case of error, 0 in case of EOF, 1 otherwise
2274  *****************************************************************************/
2275 static int Demux( demux_t *p_demux)
2276 {
2277     demux_sys_t        *p_sys = p_demux->p_sys;
2278     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
2279     matroska_segment_c *p_segmet = p_vsegment->Segment();
2280     if ( p_segmet == NULL ) return 0;
2281     int                i_block_count = 0;
2282
2283     KaxBlock *block;
2284     int64_t i_block_duration;
2285     int64_t i_block_ref1;
2286     int64_t i_block_ref2;
2287
2288     for( ;; )
2289     {
2290         if ( p_sys->demuxer.b_die )
2291             return 0;
2292
2293         if( p_sys->i_pts >= p_sys->i_start_pts  )
2294             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
2295                 return 1;
2296
2297         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
2298         {
2299             /* nothing left to read in this ordered edition */
2300             if ( !p_vsegment->SelectNext() )
2301                 return 0;
2302             p_segmet->UnSelect( );
2303
2304             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
2305
2306             /* switch to the next segment */
2307             p_segmet = p_vsegment->Segment();
2308             if ( !p_segmet->Select( 0 ) )
2309             {
2310                 msg_Err( p_demux, "Failed to select new segment" );
2311                 return 0;
2312             }
2313             continue;
2314         }
2315
2316
2317         if( p_segmet->BlockGet( &block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
2318         {
2319             if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered )
2320             {
2321                 const chapter_item_c *p_chap = p_vsegment->CurrentChapter();
2322                 // check if there are more chapters to read
2323                 if ( p_chap != NULL )
2324                 {
2325                     /* TODO handle successive chapters with the same user_start_time/user_end_time
2326                     if ( p_chap->i_user_start_time == p_chap->i_user_start_time )
2327                         p_vsegment->SelectNext();
2328                     */
2329                     p_sys->i_pts = p_chap->i_user_end_time;
2330                     p_sys->i_pts++; // trick to avoid staying on segments with no duration and no content
2331
2332                     return 1;
2333                 }
2334
2335                 return 0;
2336             }
2337             msg_Warn( p_demux, "cannot get block EOF?" );
2338             p_segmet->UnSelect( );
2339
2340             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
2341
2342             /* switch to the next segment */
2343             if ( !p_vsegment->SelectNext() )
2344                 // no more segments in this stream
2345                 return 0;
2346             p_segmet = p_vsegment->Segment();
2347             if ( !p_segmet->Select( 0 ) )
2348             {
2349                 msg_Err( p_demux, "Failed to select new segment" );
2350                 return 0;
2351             }
2352
2353             continue;
2354         }
2355
2356         p_sys->i_pts = p_sys->i_chapter_time + block->GlobalTimecode() / (mtime_t) 1000;
2357
2358         if( p_sys->i_pts >= p_sys->i_start_pts  )
2359         {
2360             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pts );
2361         }
2362
2363         BlockDecode( p_demux, block, p_sys->i_pts, i_block_duration );
2364
2365         delete block;
2366         i_block_count++;
2367
2368         // TODO optimize when there is need to leave or when seeking has been called
2369         if( i_block_count > 5 )
2370         {
2371             return 1;
2372         }
2373     }
2374 }
2375
2376
2377
2378 /*****************************************************************************
2379  * Stream managment
2380  *****************************************************************************/
2381 vlc_stream_io_callback::vlc_stream_io_callback( stream_t *s_ )
2382 {
2383     s = s_;
2384     mb_eof = VLC_FALSE;
2385 }
2386
2387 uint32 vlc_stream_io_callback::read( void *p_buffer, size_t i_size )
2388 {
2389     if( i_size <= 0 || mb_eof )
2390     {
2391         return 0;
2392     }
2393
2394     return stream_Read( s, p_buffer, i_size );
2395 }
2396 void vlc_stream_io_callback::setFilePointer(int64_t i_offset, seek_mode mode )
2397 {
2398     int64_t i_pos;
2399
2400     switch( mode )
2401     {
2402         case seek_beginning:
2403             i_pos = i_offset;
2404             break;
2405         case seek_end:
2406             i_pos = stream_Size( s ) - i_offset;
2407             break;
2408         default:
2409             i_pos= stream_Tell( s ) + i_offset;
2410             break;
2411     }
2412
2413     if( i_pos < 0 || i_pos >= stream_Size( s ) )
2414     {
2415         mb_eof = VLC_TRUE;
2416         return;
2417     }
2418
2419     mb_eof = VLC_FALSE;
2420     if( stream_Seek( s, i_pos ) )
2421     {
2422         mb_eof = VLC_TRUE;
2423     }
2424     return;
2425 }
2426 size_t vlc_stream_io_callback::write( const void *p_buffer, size_t i_size )
2427 {
2428     return 0;
2429 }
2430 uint64 vlc_stream_io_callback::getFilePointer( void )
2431 {
2432     return stream_Tell( s );
2433 }
2434 void vlc_stream_io_callback::close( void )
2435 {
2436     return;
2437 }
2438
2439
2440 /*****************************************************************************
2441  * Ebml Stream parser
2442  *****************************************************************************/
2443 EbmlParser::EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux )
2444 {
2445     int i;
2446
2447     m_es = es;
2448     m_got = NULL;
2449     m_el[0] = el_start;
2450     mi_remain_size[0] = el_start->GetSize();
2451
2452     for( i = 1; i < 6; i++ )
2453     {
2454         m_el[i] = NULL;
2455     }
2456     mi_level = 1;
2457     mi_user_level = 1;
2458     mb_keep = VLC_FALSE;
2459     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
2460 }
2461
2462 EbmlParser::~EbmlParser( void )
2463 {
2464     int i;
2465
2466     for( i = 1; i < mi_level; i++ )
2467     {
2468         if( !mb_keep )
2469         {
2470             delete m_el[i];
2471         }
2472         mb_keep = VLC_FALSE;
2473     }
2474 }
2475
2476 void EbmlParser::Up( void )
2477 {
2478     if( mi_user_level == mi_level )
2479     {
2480         fprintf( stderr," arrrrrrrrrrrrrg Up cannot escape itself\n" );
2481     }
2482
2483     mi_user_level--;
2484 }
2485
2486 void EbmlParser::Down( void )
2487 {
2488     mi_user_level++;
2489     mi_level++;
2490 }
2491
2492 void EbmlParser::Keep( void )
2493 {
2494     mb_keep = VLC_TRUE;
2495 }
2496
2497 int EbmlParser::GetLevel( void )
2498 {
2499     return mi_user_level;
2500 }
2501
2502 void EbmlParser::Reset( demux_t *p_demux )
2503 {
2504     while ( mi_level > 0)
2505     {
2506         delete m_el[mi_level];
2507         m_el[mi_level] = NULL;
2508         mi_level--;
2509     }
2510     mi_user_level = mi_level = 1;
2511 #if LIBEBML_VERSION >= 0x000704
2512     // a little faster and cleaner
2513     m_es->I_O().setFilePointer( static_cast<KaxSegment*>(m_el[0])->GetGlobalPosition(0) );
2514 #else
2515     m_es->I_O().setFilePointer( m_el[0]->GetElementPosition() + m_el[0]->ElementSize(true) - m_el[0]->GetSize() );
2516 #endif
2517     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
2518 }
2519
2520 EbmlElement *EbmlParser::Get( void )
2521 {
2522     int i_ulev = 0;
2523
2524     if( mi_user_level != mi_level )
2525     {
2526         return NULL;
2527     }
2528     if( m_got )
2529     {
2530         EbmlElement *ret = m_got;
2531         m_got = NULL;
2532
2533         return ret;
2534     }
2535
2536     if( m_el[mi_level] )
2537     {
2538         m_el[mi_level]->SkipData( *m_es, m_el[mi_level]->Generic().Context );
2539         if( !mb_keep )
2540         {
2541             delete m_el[mi_level];
2542         }
2543         mb_keep = VLC_FALSE;
2544     }
2545
2546     m_el[mi_level] = m_es->FindNextElement( m_el[mi_level - 1]->Generic().Context, i_ulev, 0xFFFFFFFFL, mb_dummy, 1 );
2547 //    mi_remain_size[mi_level] = m_el[mi_level]->GetSize();
2548     if( i_ulev > 0 )
2549     {
2550         while( i_ulev > 0 )
2551         {
2552             if( mi_level == 1 )
2553             {
2554                 mi_level = 0;
2555                 return NULL;
2556             }
2557
2558             delete m_el[mi_level - 1];
2559             m_got = m_el[mi_level -1] = m_el[mi_level];
2560             m_el[mi_level] = NULL;
2561
2562             mi_level--;
2563             i_ulev--;
2564         }
2565         return NULL;
2566     }
2567     else if( m_el[mi_level] == NULL )
2568     {
2569         fprintf( stderr," m_el[mi_level] == NULL\n" );
2570     }
2571
2572     return m_el[mi_level];
2573 }
2574
2575
2576 /*****************************************************************************
2577  * Tools
2578  *  * LoadCues : load the cues element and update index
2579  *
2580  *  * LoadTags : load ... the tags element
2581  *
2582  *  * InformationCreate : create all information, load tags if present
2583  *
2584  *****************************************************************************/
2585 void matroska_segment_c::LoadCues( )
2586 {
2587     int64_t     i_sav_position = es.I_O().getFilePointer();
2588     EbmlParser  *ep;
2589     EbmlElement *el, *cues;
2590
2591     /* *** Load the cue if found *** */
2592     if( i_cues_position < 0 )
2593     {
2594         msg_Warn( &sys.demuxer, "no cues/empty cues found->seek won't be precise" );
2595
2596 //        IndexAppendCluster( cluster );
2597     }
2598
2599     vlc_bool_t b_seekable;
2600
2601     stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
2602     if( !b_seekable )
2603         return;
2604
2605     msg_Dbg( &sys.demuxer, "loading cues" );
2606     es.I_O().setFilePointer( i_cues_position, seek_beginning );
2607     cues = es.FindNextID( KaxCues::ClassInfos, 0xFFFFFFFFL);
2608
2609     if( cues == NULL )
2610     {
2611         msg_Err( &sys.demuxer, "cannot load cues (broken seekhead or file)" );
2612         es.I_O().setFilePointer( i_sav_position, seek_beginning );
2613         return;
2614     }
2615
2616     ep = new EbmlParser( &es, cues, &sys.demuxer );
2617     while( ( el = ep->Get() ) != NULL )
2618     {
2619         if( MKV_IS_ID( el, KaxCuePoint ) )
2620         {
2621 #define idx index[i_index]
2622
2623             idx.i_track       = -1;
2624             idx.i_block_number= -1;
2625             idx.i_position    = -1;
2626             idx.i_time        = 0;
2627             idx.b_key         = VLC_TRUE;
2628
2629             ep->Down();
2630             while( ( el = ep->Get() ) != NULL )
2631             {
2632                 if( MKV_IS_ID( el, KaxCueTime ) )
2633                 {
2634                     KaxCueTime &ctime = *(KaxCueTime*)el;
2635
2636                     ctime.ReadData( es.I_O() );
2637
2638                     idx.i_time = uint64( ctime ) * i_timescale / (mtime_t)1000;
2639                 }
2640                 else if( MKV_IS_ID( el, KaxCueTrackPositions ) )
2641                 {
2642                     ep->Down();
2643                     while( ( el = ep->Get() ) != NULL )
2644                     {
2645                         if( MKV_IS_ID( el, KaxCueTrack ) )
2646                         {
2647                             KaxCueTrack &ctrack = *(KaxCueTrack*)el;
2648
2649                             ctrack.ReadData( es.I_O() );
2650                             idx.i_track = uint16( ctrack );
2651                         }
2652                         else if( MKV_IS_ID( el, KaxCueClusterPosition ) )
2653                         {
2654                             KaxCueClusterPosition &ccpos = *(KaxCueClusterPosition*)el;
2655
2656                             ccpos.ReadData( es.I_O() );
2657                             idx.i_position = segment->GetGlobalPosition( uint64( ccpos ) );
2658                         }
2659                         else if( MKV_IS_ID( el, KaxCueBlockNumber ) )
2660                         {
2661                             KaxCueBlockNumber &cbnum = *(KaxCueBlockNumber*)el;
2662
2663                             cbnum.ReadData( es.I_O() );
2664                             idx.i_block_number = uint32( cbnum );
2665                         }
2666                         else
2667                         {
2668                             msg_Dbg( &sys.demuxer, "         * Unknown (%s)", typeid(*el).name() );
2669                         }
2670                     }
2671                     ep->Up();
2672                 }
2673                 else
2674                 {
2675                     msg_Dbg( &sys.demuxer, "     * Unknown (%s)", typeid(*el).name() );
2676                 }
2677             }
2678             ep->Up();
2679
2680 #if 0
2681             msg_Dbg( &sys.demuxer, " * added time="I64Fd" pos="I64Fd
2682                      " track=%d bnum=%d", idx.i_time, idx.i_position,
2683                      idx.i_track, idx.i_block_number );
2684 #endif
2685
2686             i_index++;
2687             if( i_index >= i_index_max )
2688             {
2689                 i_index_max += 1024;
2690                 index = (mkv_index_t*)realloc( index, sizeof( mkv_index_t ) * i_index_max );
2691             }
2692 #undef idx
2693         }
2694         else
2695         {
2696             msg_Dbg( &sys.demuxer, " * Unknown (%s)", typeid(*el).name() );
2697         }
2698     }
2699     delete ep;
2700     delete cues;
2701
2702     b_cues = VLC_TRUE;
2703
2704     msg_Dbg( &sys.demuxer, "loading cues done." );
2705     es.I_O().setFilePointer( i_sav_position, seek_beginning );
2706 }
2707
2708 void matroska_segment_c::LoadTags( )
2709 {
2710     int64_t     i_sav_position = es.I_O().getFilePointer();
2711     EbmlParser  *ep;
2712     EbmlElement *el, *tags;
2713
2714     msg_Dbg( &sys.demuxer, "loading tags" );
2715     es.I_O().setFilePointer( i_tags_position, seek_beginning );
2716     tags = es.FindNextID( KaxTags::ClassInfos, 0xFFFFFFFFL);
2717
2718     if( tags == NULL )
2719     {
2720         msg_Err( &sys.demuxer, "cannot load tags (broken seekhead or file)" );
2721         es.I_O().setFilePointer( i_sav_position, seek_beginning );
2722         return;
2723     }
2724
2725     msg_Dbg( &sys.demuxer, "Tags" );
2726     ep = new EbmlParser( &es, tags, &sys.demuxer );
2727     while( ( el = ep->Get() ) != NULL )
2728     {
2729         if( MKV_IS_ID( el, KaxTag ) )
2730         {
2731             msg_Dbg( &sys.demuxer, "+ Tag" );
2732             ep->Down();
2733             while( ( el = ep->Get() ) != NULL )
2734             {
2735                 if( MKV_IS_ID( el, KaxTagTargets ) )
2736                 {
2737                     msg_Dbg( &sys.demuxer, "|   + Targets" );
2738                     ep->Down();
2739                     while( ( el = ep->Get() ) != NULL )
2740                     {
2741                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
2742                     }
2743                     ep->Up();
2744                 }
2745                 else if( MKV_IS_ID( el, KaxTagGeneral ) )
2746                 {
2747                     msg_Dbg( &sys.demuxer, "|   + General" );
2748                     ep->Down();
2749                     while( ( el = ep->Get() ) != NULL )
2750                     {
2751                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
2752                     }
2753                     ep->Up();
2754                 }
2755                 else if( MKV_IS_ID( el, KaxTagGenres ) )
2756                 {
2757                     msg_Dbg( &sys.demuxer, "|   + Genres" );
2758                     ep->Down();
2759                     while( ( el = ep->Get() ) != NULL )
2760                     {
2761                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
2762                     }
2763                     ep->Up();
2764                 }
2765                 else if( MKV_IS_ID( el, KaxTagAudioSpecific ) )
2766                 {
2767                     msg_Dbg( &sys.demuxer, "|   + Audio Specific" );
2768                     ep->Down();
2769                     while( ( el = ep->Get() ) != NULL )
2770                     {
2771                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
2772                     }
2773                     ep->Up();
2774                 }
2775                 else if( MKV_IS_ID( el, KaxTagImageSpecific ) )
2776                 {
2777                     msg_Dbg( &sys.demuxer, "|   + Images Specific" );
2778                     ep->Down();
2779                     while( ( el = ep->Get() ) != NULL )
2780                     {
2781                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
2782                     }
2783                     ep->Up();
2784                 }
2785                 else if( MKV_IS_ID( el, KaxTagMultiComment ) )
2786                 {
2787                     msg_Dbg( &sys.demuxer, "|   + Multi Comment" );
2788                 }
2789                 else if( MKV_IS_ID( el, KaxTagMultiCommercial ) )
2790                 {
2791                     msg_Dbg( &sys.demuxer, "|   + Multi Commercial" );
2792                 }
2793                 else if( MKV_IS_ID( el, KaxTagMultiDate ) )
2794                 {
2795                     msg_Dbg( &sys.demuxer, "|   + Multi Date" );
2796                 }
2797                 else if( MKV_IS_ID( el, KaxTagMultiEntity ) )
2798                 {
2799                     msg_Dbg( &sys.demuxer, "|   + Multi Entity" );
2800                 }
2801                 else if( MKV_IS_ID( el, KaxTagMultiIdentifier ) )
2802                 {
2803                     msg_Dbg( &sys.demuxer, "|   + Multi Identifier" );
2804                 }
2805                 else if( MKV_IS_ID( el, KaxTagMultiLegal ) )
2806                 {
2807                     msg_Dbg( &sys.demuxer, "|   + Multi Legal" );
2808                 }
2809                 else if( MKV_IS_ID( el, KaxTagMultiTitle ) )
2810                 {
2811                     msg_Dbg( &sys.demuxer, "|   + Multi Title" );
2812                 }
2813                 else
2814                 {
2815                     msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid( *el ).name() );
2816                 }
2817             }
2818             ep->Up();
2819         }
2820         else
2821         {
2822             msg_Dbg( &sys.demuxer, "+ Unknown (%s)", typeid( *el ).name() );
2823         }
2824     }
2825     delete ep;
2826     delete tags;
2827
2828     msg_Dbg( &sys.demuxer, "loading tags done." );
2829     es.I_O().setFilePointer( i_sav_position, seek_beginning );
2830 }
2831
2832 /*****************************************************************************
2833  * ParseSeekHead:
2834  *****************************************************************************/
2835 void matroska_segment_c::ParseSeekHead( KaxSeekHead *seekhead )
2836 {
2837     EbmlElement *el;
2838     size_t i, j;
2839     int i_upper_level = 0;
2840
2841     msg_Dbg( &sys.demuxer, "|   + Seek head" );
2842
2843     /* Master elements */
2844     seekhead->Read( es, seekhead->Generic().Context, i_upper_level, el, true );
2845
2846     for( i = 0; i < seekhead->ListSize(); i++ )
2847     {
2848         EbmlElement *l = (*seekhead)[i];
2849
2850         if( MKV_IS_ID( l, KaxSeek ) )
2851         {
2852             EbmlMaster *sk = static_cast<EbmlMaster *>(l);
2853             EbmlId id = EbmlVoid::ClassInfos.GlobalId;
2854             int64_t i_pos = -1;
2855
2856             for( j = 0; j < sk->ListSize(); j++ )
2857             {
2858                 EbmlElement *l = (*sk)[j];
2859
2860                 if( MKV_IS_ID( l, KaxSeekID ) )
2861                 {
2862                     KaxSeekID &sid = *(KaxSeekID*)l;
2863                     id = EbmlId( sid.GetBuffer(), sid.GetSize() );
2864                 }
2865                 else if( MKV_IS_ID( l, KaxSeekPosition ) )
2866                 {
2867                     KaxSeekPosition &spos = *(KaxSeekPosition*)l;
2868                     i_pos = uint64( spos );
2869                 }
2870                 else
2871                 {
2872                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
2873                 }
2874             }
2875
2876             if( i_pos >= 0 )
2877             {
2878                 if( id == KaxCues::ClassInfos.GlobalId )
2879                 {
2880                     msg_Dbg( &sys.demuxer, "|   |   |   = cues at "I64Fd, i_pos );
2881                     i_cues_position = segment->GetGlobalPosition( i_pos );
2882                 }
2883                 else if( id == KaxChapters::ClassInfos.GlobalId )
2884                 {
2885                     msg_Dbg( &sys.demuxer, "|   |   |   = chapters at "I64Fd, i_pos );
2886                     i_chapters_position = segment->GetGlobalPosition( i_pos );
2887                 }
2888                 else if( id == KaxTags::ClassInfos.GlobalId )
2889                 {
2890                     msg_Dbg( &sys.demuxer, "|   |   |   = tags at "I64Fd, i_pos );
2891                     i_tags_position = segment->GetGlobalPosition( i_pos );
2892                 }
2893             }
2894         }
2895         else
2896         {
2897             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
2898         }
2899     }
2900 }
2901
2902 /*****************************************************************************
2903  * ParseTrackEntry:
2904  *****************************************************************************/
2905 void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
2906 {
2907     size_t i, j, k, n;
2908
2909     mkv_track_t *tk;
2910
2911     msg_Dbg( &sys.demuxer, "|   |   + Track Entry" );
2912
2913     tk = new mkv_track_t();
2914     tracks.push_back( tk );
2915
2916     /* Init the track */
2917     memset( tk, 0, sizeof( mkv_track_t ) );
2918
2919     es_format_Init( &tk->fmt, UNKNOWN_ES, 0 );
2920     tk->fmt.psz_language = strdup("English");
2921     tk->fmt.psz_description = NULL;
2922
2923     tk->b_default = VLC_TRUE;
2924     tk->b_enabled = VLC_TRUE;
2925     tk->b_silent = VLC_FALSE;
2926     tk->i_number = tracks.size() - 1;
2927     tk->i_extra_data = 0;
2928     tk->p_extra_data = NULL;
2929     tk->psz_codec = NULL;
2930     tk->i_default_duration = 0;
2931     tk->f_timecodescale = 1.0;
2932
2933     tk->b_inited = VLC_FALSE;
2934     tk->i_data_init = 0;
2935     tk->p_data_init = NULL;
2936
2937     tk->psz_codec_name = NULL;
2938     tk->psz_codec_settings = NULL;
2939     tk->psz_codec_info_url = NULL;
2940     tk->psz_codec_download_url = NULL;
2941
2942     tk->i_compression_type = MATROSKA_COMPRESSION_NONE;
2943
2944     for( i = 0; i < m->ListSize(); i++ )
2945     {
2946         EbmlElement *l = (*m)[i];
2947
2948         if( MKV_IS_ID( l, KaxTrackNumber ) )
2949         {
2950             KaxTrackNumber &tnum = *(KaxTrackNumber*)l;
2951
2952             tk->i_number = uint32( tnum );
2953             msg_Dbg( &sys.demuxer, "|   |   |   + Track Number=%u", uint32( tnum ) );
2954         }
2955         else  if( MKV_IS_ID( l, KaxTrackUID ) )
2956         {
2957             KaxTrackUID &tuid = *(KaxTrackUID*)l;
2958
2959             msg_Dbg( &sys.demuxer, "|   |   |   + Track UID=%u",  uint32( tuid ) );
2960         }
2961         else  if( MKV_IS_ID( l, KaxTrackType ) )
2962         {
2963             char *psz_type;
2964             KaxTrackType &ttype = *(KaxTrackType*)l;
2965
2966             switch( uint8(ttype) )
2967             {
2968                 case track_audio:
2969                     psz_type = "audio";
2970                     tk->fmt.i_cat = AUDIO_ES;
2971                     break;
2972                 case track_video:
2973                     psz_type = "video";
2974                     tk->fmt.i_cat = VIDEO_ES;
2975                     break;
2976                 case track_subtitle:
2977                     psz_type = "subtitle";
2978                     tk->fmt.i_cat = SPU_ES;
2979                     break;
2980                 default:
2981                     psz_type = "unknown";
2982                     tk->fmt.i_cat = UNKNOWN_ES;
2983                     break;
2984             }
2985
2986             msg_Dbg( &sys.demuxer, "|   |   |   + Track Type=%s", psz_type );
2987         }
2988 //        else  if( EbmlId( *l ) == KaxTrackFlagEnabled::ClassInfos.GlobalId )
2989 //        {
2990 //            KaxTrackFlagEnabled &fenb = *(KaxTrackFlagEnabled*)l;
2991
2992 //            tk->b_enabled = uint32( fenb );
2993 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Enabled=%u",
2994 //                     uint32( fenb )  );
2995 //        }
2996         else  if( MKV_IS_ID( l, KaxTrackFlagDefault ) )
2997         {
2998             KaxTrackFlagDefault &fdef = *(KaxTrackFlagDefault*)l;
2999
3000             tk->b_default = uint32( fdef );
3001             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default=%u", uint32( fdef )  );
3002         }
3003         else  if( MKV_IS_ID( l, KaxTrackFlagLacing ) )
3004         {
3005             KaxTrackFlagLacing &lac = *(KaxTrackFlagLacing*)l;
3006
3007             msg_Dbg( &sys.demuxer, "|   |   |   + Track Lacing=%d", uint32( lac ) );
3008         }
3009         else  if( MKV_IS_ID( l, KaxTrackMinCache ) )
3010         {
3011             KaxTrackMinCache &cmin = *(KaxTrackMinCache*)l;
3012
3013             msg_Dbg( &sys.demuxer, "|   |   |   + Track MinCache=%d", uint32( cmin ) );
3014         }
3015         else  if( MKV_IS_ID( l, KaxTrackMaxCache ) )
3016         {
3017             KaxTrackMaxCache &cmax = *(KaxTrackMaxCache*)l;
3018
3019             msg_Dbg( &sys.demuxer, "|   |   |   + Track MaxCache=%d", uint32( cmax ) );
3020         }
3021         else  if( MKV_IS_ID( l, KaxTrackDefaultDuration ) )
3022         {
3023             KaxTrackDefaultDuration &defd = *(KaxTrackDefaultDuration*)l;
3024
3025             tk->i_default_duration = uint64(defd);
3026             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default Duration="I64Fd, uint64(defd) );
3027         }
3028         else  if( MKV_IS_ID( l, KaxTrackTimecodeScale ) )
3029         {
3030             KaxTrackTimecodeScale &ttcs = *(KaxTrackTimecodeScale*)l;
3031
3032             tk->f_timecodescale = float( ttcs );
3033             msg_Dbg( &sys.demuxer, "|   |   |   + Track TimeCodeScale=%f", tk->f_timecodescale );
3034         }
3035         else if( MKV_IS_ID( l, KaxTrackName ) )
3036         {
3037             KaxTrackName &tname = *(KaxTrackName*)l;
3038
3039             tk->fmt.psz_description = UTF8ToStr( UTFstring( tname ) );
3040             msg_Dbg( &sys.demuxer, "|   |   |   + Track Name=%s", tk->fmt.psz_description );
3041         }
3042         else  if( MKV_IS_ID( l, KaxTrackLanguage ) )
3043         {
3044             KaxTrackLanguage &lang = *(KaxTrackLanguage*)l;
3045
3046             tk->fmt.psz_language = strdup( string( lang ).c_str() );
3047             msg_Dbg( &sys.demuxer,
3048                      "|   |   |   + Track Language=`%s'", tk->fmt.psz_language );
3049         }
3050         else  if( MKV_IS_ID( l, KaxCodecID ) )
3051         {
3052             KaxCodecID &codecid = *(KaxCodecID*)l;
3053
3054             tk->psz_codec = strdup( string( codecid ).c_str() );
3055             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecId=%s", string( codecid ).c_str() );
3056         }
3057         else  if( MKV_IS_ID( l, KaxCodecPrivate ) )
3058         {
3059             KaxCodecPrivate &cpriv = *(KaxCodecPrivate*)l;
3060
3061             tk->i_extra_data = cpriv.GetSize();
3062             if( tk->i_extra_data > 0 )
3063             {
3064                 tk->p_extra_data = (uint8_t*)malloc( tk->i_extra_data );
3065                 memcpy( tk->p_extra_data, cpriv.GetBuffer(), tk->i_extra_data );
3066             }
3067             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecPrivate size="I64Fd, cpriv.GetSize() );
3068         }
3069         else if( MKV_IS_ID( l, KaxCodecName ) )
3070         {
3071             KaxCodecName &cname = *(KaxCodecName*)l;
3072
3073             tk->psz_codec_name = UTF8ToStr( UTFstring( cname ) );
3074             msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Name=%s", tk->psz_codec_name );
3075         }
3076         else if( MKV_IS_ID( l, KaxContentEncodings ) )
3077         {
3078             EbmlMaster *cencs = static_cast<EbmlMaster*>(l);
3079             MkvTree( sys.demuxer, 3, "Content Encodings" );
3080             for( j = 0; j < cencs->ListSize(); j++ )
3081             {
3082                 EbmlElement *l2 = (*cencs)[j];
3083                 if( MKV_IS_ID( l2, KaxContentEncoding ) )
3084                 {
3085                     MkvTree( sys.demuxer, 4, "Content Encoding" );
3086                     EbmlMaster *cenc = static_cast<EbmlMaster*>(l2);
3087                     for( k = 0; k < cenc->ListSize(); k++ )
3088                     {
3089                         EbmlElement *l3 = (*cenc)[k];
3090                         if( MKV_IS_ID( l3, KaxContentEncodingOrder ) )
3091                         {
3092                             KaxContentEncodingOrder &encord = *(KaxContentEncodingOrder*)l3;
3093                             MkvTree( sys.demuxer, 5, "Order: %i", uint32( encord ) );
3094                         }
3095                         else if( MKV_IS_ID( l3, KaxContentEncodingScope ) )
3096                         {
3097                             KaxContentEncodingScope &encscope = *(KaxContentEncodingScope*)l3;
3098                             MkvTree( sys.demuxer, 5, "Scope: %i", uint32( encscope ) );
3099                         }
3100                         else if( MKV_IS_ID( l3, KaxContentEncodingType ) )
3101                         {
3102                             KaxContentEncodingType &enctype = *(KaxContentEncodingType*)l3;
3103                             MkvTree( sys.demuxer, 5, "Type: %i", uint32( enctype ) );
3104                         }
3105                         else if( MKV_IS_ID( l3, KaxContentCompression ) )
3106                         {
3107                             EbmlMaster *compr = static_cast<EbmlMaster*>(l3);
3108                             MkvTree( sys.demuxer, 5, "Content Compression" );
3109                             for( n = 0; n < compr->ListSize(); n++ )
3110                             {
3111                                 EbmlElement *l4 = (*compr)[n];
3112                                 if( MKV_IS_ID( l4, KaxContentCompAlgo ) )
3113                                 {
3114                                     KaxContentCompAlgo &compalg = *(KaxContentCompAlgo*)l4;
3115                                     MkvTree( sys.demuxer, 6, "Compression Algorithm: %i", uint32(compalg) );
3116                                     if( uint32( compalg ) == 0 )
3117                                     {
3118                                         tk->i_compression_type = MATROSKA_COMPRESSION_ZLIB;
3119                                     }
3120                                 }
3121                                 else
3122                                 {
3123                                     MkvTree( sys.demuxer, 6, "Unknown (%s)", typeid(*l4).name() );
3124                                 }
3125                             }
3126                         }
3127
3128                         else
3129                         {
3130                             MkvTree( sys.demuxer, 5, "Unknown (%s)", typeid(*l3).name() );
3131                         }
3132                     }
3133
3134                 }
3135                 else
3136                 {
3137                     MkvTree( sys.demuxer, 4, "Unknown (%s)", typeid(*l2).name() );
3138                 }
3139             }
3140
3141         }
3142 //        else if( EbmlId( *l ) == KaxCodecSettings::ClassInfos.GlobalId )
3143 //        {
3144 //            KaxCodecSettings &cset = *(KaxCodecSettings*)l;
3145
3146 //            tk->psz_codec_settings = UTF8ToStr( UTFstring( cset ) );
3147 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Settings=%s", tk->psz_codec_settings );
3148 //        }
3149 //        else if( EbmlId( *l ) == KaxCodecInfoURL::ClassInfos.GlobalId )
3150 //        {
3151 //            KaxCodecInfoURL &ciurl = *(KaxCodecInfoURL*)l;
3152
3153 //            tk->psz_codec_info_url = strdup( string( ciurl ).c_str() );
3154 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_info_url );
3155 //        }
3156 //        else if( EbmlId( *l ) == KaxCodecDownloadURL::ClassInfos.GlobalId )
3157 //        {
3158 //            KaxCodecDownloadURL &cdurl = *(KaxCodecDownloadURL*)l;
3159
3160 //            tk->psz_codec_download_url = strdup( string( cdurl ).c_str() );
3161 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_download_url );
3162 //        }
3163 //        else if( EbmlId( *l ) == KaxCodecDecodeAll::ClassInfos.GlobalId )
3164 //        {
3165 //            KaxCodecDecodeAll &cdall = *(KaxCodecDecodeAll*)l;
3166
3167 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Decode All=%u <== UNUSED", uint8( cdall ) );
3168 //        }
3169 //        else if( EbmlId( *l ) == KaxTrackOverlay::ClassInfos.GlobalId )
3170 //        {
3171 //            KaxTrackOverlay &tovr = *(KaxTrackOverlay*)l;
3172
3173 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Overlay=%u <== UNUSED", uint32( tovr ) );
3174 //        }
3175         else  if( MKV_IS_ID( l, KaxTrackVideo ) )
3176         {
3177             EbmlMaster *tkv = static_cast<EbmlMaster*>(l);
3178             unsigned int j;
3179
3180             msg_Dbg( &sys.demuxer, "|   |   |   + Track Video" );
3181             tk->f_fps = 0.0;
3182
3183             for( j = 0; j < tkv->ListSize(); j++ )
3184             {
3185                 EbmlElement *l = (*tkv)[j];
3186 //                if( EbmlId( *el4 ) == KaxVideoFlagInterlaced::ClassInfos.GlobalId )
3187 //                {
3188 //                    KaxVideoFlagInterlaced &fint = *(KaxVideoFlagInterlaced*)el4;
3189
3190 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Interlaced=%u", uint8( fint ) );
3191 //                }
3192 //                else if( EbmlId( *el4 ) == KaxVideoStereoMode::ClassInfos.GlobalId )
3193 //                {
3194 //                    KaxVideoStereoMode &stereo = *(KaxVideoStereoMode*)el4;
3195
3196 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Stereo Mode=%u", uint8( stereo ) );
3197 //                }
3198 //                else
3199                 if( MKV_IS_ID( l, KaxVideoPixelWidth ) )
3200                 {
3201                     KaxVideoPixelWidth &vwidth = *(KaxVideoPixelWidth*)l;
3202
3203                     tk->fmt.video.i_width = uint16( vwidth );
3204                     msg_Dbg( &sys.demuxer, "|   |   |   |   + width=%d", uint16( vwidth ) );
3205                 }
3206                 else if( MKV_IS_ID( l, KaxVideoPixelHeight ) )
3207                 {
3208                     KaxVideoPixelWidth &vheight = *(KaxVideoPixelWidth*)l;
3209
3210                     tk->fmt.video.i_height = uint16( vheight );
3211                     msg_Dbg( &sys.demuxer, "|   |   |   |   + height=%d", uint16( vheight ) );
3212                 }
3213                 else if( MKV_IS_ID( l, KaxVideoDisplayWidth ) )
3214                 {
3215                     KaxVideoDisplayWidth &vwidth = *(KaxVideoDisplayWidth*)l;
3216
3217                     tk->fmt.video.i_visible_width = uint16( vwidth );
3218                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display width=%d", uint16( vwidth ) );
3219                 }
3220                 else if( MKV_IS_ID( l, KaxVideoDisplayHeight ) )
3221                 {
3222                     KaxVideoDisplayWidth &vheight = *(KaxVideoDisplayWidth*)l;
3223
3224                     tk->fmt.video.i_visible_height = uint16( vheight );
3225                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display height=%d", uint16( vheight ) );
3226                 }
3227                 else if( MKV_IS_ID( l, KaxVideoFrameRate ) )
3228                 {
3229                     KaxVideoFrameRate &vfps = *(KaxVideoFrameRate*)l;
3230
3231                     tk->f_fps = float( vfps );
3232                     msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( vfps ) );
3233                 }
3234 //                else if( EbmlId( *l ) == KaxVideoDisplayUnit::ClassInfos.GlobalId )
3235 //                {
3236 //                     KaxVideoDisplayUnit &vdmode = *(KaxVideoDisplayUnit*)l;
3237
3238 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Display Unit=%s",
3239 //                             uint8( vdmode ) == 0 ? "pixels" : ( uint8( vdmode ) == 1 ? "centimeters": "inches" ) );
3240 //                }
3241 //                else if( EbmlId( *l ) == KaxVideoAspectRatio::ClassInfos.GlobalId )
3242 //                {
3243 //                    KaxVideoAspectRatio &ratio = *(KaxVideoAspectRatio*)l;
3244
3245 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + Track Video Aspect Ratio Type=%u", uint8( ratio ) );
3246 //                }
3247 //                else if( EbmlId( *l ) == KaxVideoGamma::ClassInfos.GlobalId )
3248 //                {
3249 //                    KaxVideoGamma &gamma = *(KaxVideoGamma*)l;
3250
3251 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( gamma ) );
3252 //                }
3253                 else
3254                 {
3255                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
3256                 }
3257             }
3258             if ( tk->fmt.video.i_visible_height && tk->fmt.video.i_visible_width )
3259                 tk->fmt.video.i_aspect = VOUT_ASPECT_FACTOR * tk->fmt.video.i_visible_width / tk->fmt.video.i_visible_height;
3260         }
3261         else  if( MKV_IS_ID( l, KaxTrackAudio ) )
3262         {
3263             EbmlMaster *tka = static_cast<EbmlMaster*>(l);
3264             unsigned int j;
3265
3266             msg_Dbg( &sys.demuxer, "|   |   |   + Track Audio" );
3267
3268             for( j = 0; j < tka->ListSize(); j++ )
3269             {
3270                 EbmlElement *l = (*tka)[j];
3271
3272                 if( MKV_IS_ID( l, KaxAudioSamplingFreq ) )
3273                 {
3274                     KaxAudioSamplingFreq &afreq = *(KaxAudioSamplingFreq*)l;
3275
3276                     tk->fmt.audio.i_rate = (int)float( afreq );
3277                     msg_Dbg( &sys.demuxer, "|   |   |   |   + afreq=%d", tk->fmt.audio.i_rate );
3278                 }
3279                 else if( MKV_IS_ID( l, KaxAudioChannels ) )
3280                 {
3281                     KaxAudioChannels &achan = *(KaxAudioChannels*)l;
3282
3283                     tk->fmt.audio.i_channels = uint8( achan );
3284                     msg_Dbg( &sys.demuxer, "|   |   |   |   + achan=%u", uint8( achan ) );
3285                 }
3286                 else if( MKV_IS_ID( l, KaxAudioBitDepth ) )
3287                 {
3288                     KaxAudioBitDepth &abits = *(KaxAudioBitDepth*)l;
3289
3290                     tk->fmt.audio.i_bitspersample = uint8( abits );
3291                     msg_Dbg( &sys.demuxer, "|   |   |   |   + abits=%u", uint8( abits ) );
3292                 }
3293                 else
3294                 {
3295                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
3296                 }
3297             }
3298         }
3299         else
3300         {
3301             msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)",
3302                      typeid(*l).name() );
3303         }
3304     }
3305 }
3306
3307 /*****************************************************************************
3308  * ParseTracks:
3309  *****************************************************************************/
3310 void matroska_segment_c::ParseTracks( KaxTracks *tracks )
3311 {
3312     EbmlElement *el;
3313     unsigned int i;
3314     int i_upper_level = 0;
3315
3316     msg_Dbg( &sys.demuxer, "|   + Tracks" );
3317
3318     /* Master elements */
3319     tracks->Read( es, tracks->Generic().Context, i_upper_level, el, true );
3320
3321     for( i = 0; i < tracks->ListSize(); i++ )
3322     {
3323         EbmlElement *l = (*tracks)[i];
3324
3325         if( MKV_IS_ID( l, KaxTrackEntry ) )
3326         {
3327             ParseTrackEntry( static_cast<KaxTrackEntry *>(l) );
3328         }
3329         else
3330         {
3331             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
3332         }
3333     }
3334 }
3335
3336 /*****************************************************************************
3337  * ParseInfo:
3338  *****************************************************************************/
3339 void matroska_segment_c::ParseInfo( KaxInfo *info )
3340 {
3341     EbmlElement *el;
3342     EbmlMaster  *m;
3343     size_t i, j;
3344     int i_upper_level = 0;
3345
3346     msg_Dbg( &sys.demuxer, "|   + Information" );
3347
3348     /* Master elements */
3349     m = static_cast<EbmlMaster *>(info);
3350     m->Read( es, info->Generic().Context, i_upper_level, el, true );
3351
3352     for( i = 0; i < m->ListSize(); i++ )
3353     {
3354         EbmlElement *l = (*m)[i];
3355
3356         if( MKV_IS_ID( l, KaxSegmentUID ) )
3357         {
3358             segment_uid = *(new KaxSegmentUID(*static_cast<KaxSegmentUID*>(l)));
3359
3360             msg_Dbg( &sys.demuxer, "|   |   + UID=%d", *(uint32*)segment_uid.GetBuffer() );
3361         }
3362         else if( MKV_IS_ID( l, KaxPrevUID ) )
3363         {
3364             prev_segment_uid = *(new KaxPrevUID(*static_cast<KaxPrevUID*>(l)));
3365
3366             msg_Dbg( &sys.demuxer, "|   |   + PrevUID=%d", *(uint32*)prev_segment_uid.GetBuffer() );
3367         }
3368         else if( MKV_IS_ID( l, KaxNextUID ) )
3369         {
3370             next_segment_uid = *(new KaxNextUID(*static_cast<KaxNextUID*>(l)));
3371
3372             msg_Dbg( &sys.demuxer, "|   |   + NextUID=%d", *(uint32*)next_segment_uid.GetBuffer() );
3373         }
3374         else if( MKV_IS_ID( l, KaxTimecodeScale ) )
3375         {
3376             KaxTimecodeScale &tcs = *(KaxTimecodeScale*)l;
3377
3378             i_timescale = uint64(tcs);
3379
3380             msg_Dbg( &sys.demuxer, "|   |   + TimecodeScale="I64Fd,
3381                      i_timescale );
3382         }
3383         else if( MKV_IS_ID( l, KaxDuration ) )
3384         {
3385             KaxDuration &dur = *(KaxDuration*)l;
3386
3387             i_duration = mtime_t( double( dur ) );
3388
3389             msg_Dbg( &sys.demuxer, "|   |   + Duration="I64Fd,
3390                      i_duration );
3391         }
3392         else if( MKV_IS_ID( l, KaxMuxingApp ) )
3393         {
3394             KaxMuxingApp &mapp = *(KaxMuxingApp*)l;
3395
3396             psz_muxing_application = UTF8ToStr( UTFstring( mapp ) );
3397
3398             msg_Dbg( &sys.demuxer, "|   |   + Muxing Application=%s",
3399                      psz_muxing_application );
3400         }
3401         else if( MKV_IS_ID( l, KaxWritingApp ) )
3402         {
3403             KaxWritingApp &wapp = *(KaxWritingApp*)l;
3404
3405             psz_writing_application = UTF8ToStr( UTFstring( wapp ) );
3406
3407             msg_Dbg( &sys.demuxer, "|   |   + Writing Application=%s",
3408                      psz_writing_application );
3409         }
3410         else if( MKV_IS_ID( l, KaxSegmentFilename ) )
3411         {
3412             KaxSegmentFilename &sfn = *(KaxSegmentFilename*)l;
3413
3414             psz_segment_filename = UTF8ToStr( UTFstring( sfn ) );
3415
3416             msg_Dbg( &sys.demuxer, "|   |   + Segment Filename=%s",
3417                      psz_segment_filename );
3418         }
3419         else if( MKV_IS_ID( l, KaxTitle ) )
3420         {
3421             KaxTitle &title = *(KaxTitle*)l;
3422
3423             psz_title = UTF8ToStr( UTFstring( title ) );
3424
3425             msg_Dbg( &sys.demuxer, "|   |   + Title=%s", psz_title );
3426         }
3427         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
3428         {
3429             KaxSegmentFamily *uid = static_cast<KaxSegmentFamily*>(l);
3430
3431             families.push_back(*uid);
3432
3433             msg_Dbg( &sys.demuxer, "|   |   + family=%d", *(uint32*)uid->GetBuffer() );
3434         }
3435 #if defined( HAVE_GMTIME_R ) && !defined( SYS_DARWIN )
3436         else if( MKV_IS_ID( l, KaxDateUTC ) )
3437         {
3438             KaxDateUTC &date = *(KaxDateUTC*)l;
3439             time_t i_date;
3440             struct tm tmres;
3441             char   buffer[256];
3442
3443             i_date = date.GetEpochDate();
3444             memset( buffer, 0, 256 );
3445             if( gmtime_r( &i_date, &tmres ) &&
3446                 asctime_r( &tmres, buffer ) )
3447             {
3448                 buffer[strlen( buffer)-1]= '\0';
3449                 psz_date_utc = strdup( buffer );
3450                 msg_Dbg( &sys.demuxer, "|   |   + Date=%s", psz_date_utc );
3451             }
3452         }
3453 #endif
3454 #if LIBMATROSKA_VERSION >= 0x000704
3455         else if( MKV_IS_ID( l, KaxChapterTranslate ) )
3456         {
3457             KaxChapterTranslate *p_trans = static_cast<KaxChapterTranslate*>( l );
3458             chapter_translation_c translated;
3459
3460             p_trans->Read( es, p_trans->Generic().Context, i_upper_level, el, true );
3461             for( j = 0; j < p_trans->ListSize(); j++ )
3462             {
3463                 EbmlElement *l = (*p_trans)[j];
3464
3465                 if( MKV_IS_ID( l, KaxChapterTranslateEditionUID ) )
3466                 {
3467                     translated.editions.push_back( uint64( *static_cast<KaxChapterTranslateEditionUID*>( l ) ) );
3468                 }
3469                 else if( MKV_IS_ID( l, KaxChapterTranslateCodec ) )
3470                 {
3471                     translated.codec_id = uint32( *static_cast<KaxChapterTranslateCodec*>( l ) );
3472                 }
3473                 else if( MKV_IS_ID( l, KaxChapterTranslateID ) )
3474                 {
3475                     translated.translated = *( new KaxChapterTranslateID( *static_cast<KaxChapterTranslateID*>( l ) ) );
3476                 }
3477             }
3478
3479             translations.push_back( translated );
3480         }
3481 #endif
3482         else
3483         {
3484             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
3485         }
3486     }
3487
3488     double f_dur = double(i_duration) * double(i_timescale) / 1000000.0;
3489     i_duration = mtime_t(f_dur);
3490 }
3491
3492
3493 /*****************************************************************************
3494  * ParseChapterAtom
3495  *****************************************************************************/
3496 void matroska_segment_c::ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters )
3497 {
3498     size_t i, j;
3499
3500     msg_Dbg( &sys.demuxer, "|   |   |   + ChapterAtom (level=%d)", i_level );
3501     for( i = 0; i < ca->ListSize(); i++ )
3502     {
3503         EbmlElement *l = (*ca)[i];
3504
3505         if( MKV_IS_ID( l, KaxChapterUID ) )
3506         {
3507             chapters.i_uid = uint64_t(*(KaxChapterUID*)l);
3508             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterUID: %lld", chapters.i_uid );
3509         }
3510         else if( MKV_IS_ID( l, KaxChapterFlagHidden ) )
3511         {
3512             KaxChapterFlagHidden &flag =*(KaxChapterFlagHidden*)l;
3513             chapters.b_display_seekpoint = uint8( flag ) == 0;
3514
3515             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterFlagHidden: %s", chapters.b_display_seekpoint ? "no":"yes" );
3516         }
3517         else if( MKV_IS_ID( l, KaxChapterTimeStart ) )
3518         {
3519             KaxChapterTimeStart &start =*(KaxChapterTimeStart*)l;
3520             chapters.i_start_time = uint64( start ) / I64C(1000);
3521
3522             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeStart: %lld", chapters.i_start_time );
3523         }
3524         else if( MKV_IS_ID( l, KaxChapterTimeEnd ) )
3525         {
3526             KaxChapterTimeEnd &end =*(KaxChapterTimeEnd*)l;
3527             chapters.i_end_time = uint64( end ) / I64C(1000);
3528
3529             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeEnd: %lld", chapters.i_end_time );
3530         }
3531         else if( MKV_IS_ID( l, KaxChapterDisplay ) )
3532         {
3533             EbmlMaster *cd = static_cast<EbmlMaster *>(l);
3534
3535             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterDisplay" );
3536             for( j = 0; j < cd->ListSize(); j++ )
3537             {
3538                 EbmlElement *l= (*cd)[j];
3539
3540                 if( MKV_IS_ID( l, KaxChapterString ) )
3541                 {
3542                     int k;
3543
3544                     KaxChapterString &name =*(KaxChapterString*)l;
3545                     for (k = 0; k < i_level; k++)
3546                         chapters.psz_name += '+';
3547                     chapters.psz_name += ' ';
3548                     chapters.psz_name += UTF8ToStr( UTFstring( name ) );
3549                     chapters.b_user_display = true;
3550
3551                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterString '%s'", UTF8ToStr(UTFstring(name)) );
3552                 }
3553                 else if( MKV_IS_ID( l, KaxChapterLanguage ) )
3554                 {
3555                     KaxChapterLanguage &lang =*(KaxChapterLanguage*)l;
3556                     const char *psz = string( lang ).c_str();
3557
3558                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterLanguage '%s'", psz );
3559                 }
3560                 else if( MKV_IS_ID( l, KaxChapterCountry ) )
3561                 {
3562                     KaxChapterCountry &ct =*(KaxChapterCountry*)l;
3563                     const char *psz = string( ct ).c_str();
3564
3565                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterCountry '%s'", psz );
3566                 }
3567             }
3568         }
3569         else if( MKV_IS_ID( l, KaxChapterProcess ) )
3570         {
3571             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterProcess" );
3572
3573             KaxChapterProcess *cp = static_cast<KaxChapterProcess *>(l);
3574             chapter_codec_cmds_c *p_ccodec = NULL;
3575
3576             for( j = 0; j < cp->ListSize(); j++ )
3577             {
3578                 EbmlElement *k= (*cp)[j];
3579
3580                 if( MKV_IS_ID( k, KaxChapterProcessCodecID ) )
3581                 {
3582                     KaxChapterProcessCodecID *p_codec_id = static_cast<KaxChapterProcessCodecID*>( k );
3583                     if ( uint32(*p_codec_id) == 0 )
3584                         p_ccodec = new matroska_script_codec_c( sys );
3585                     else if ( uint32(*p_codec_id) == 1 )
3586                         p_ccodec = new dvd_chapter_codec_c( sys );
3587                     break;
3588                 }
3589             }
3590
3591             if ( p_ccodec != NULL )
3592             {
3593                 for( j = 0; j < cp->ListSize(); j++ )
3594                 {
3595                     EbmlElement *k= (*cp)[j];
3596
3597                     if( MKV_IS_ID( k, KaxChapterProcessPrivate ) )
3598                     {
3599                         KaxChapterProcessPrivate * p_private = static_cast<KaxChapterProcessPrivate*>( k );
3600                         p_ccodec->SetPrivate( *p_private );
3601                     }
3602                     else if( MKV_IS_ID( k, KaxChapterProcessCommand ) )
3603                     {
3604                         p_ccodec->AddCommand( *static_cast<KaxChapterProcessCommand*>( k ) );
3605                     }
3606                 }
3607                 chapters.codecs.push_back( p_ccodec );
3608             }
3609         }
3610         else if( MKV_IS_ID( l, KaxChapterAtom ) )
3611         {
3612             chapter_item_c *new_sub_chapter = new chapter_item_c();
3613             ParseChapterAtom( i_level+1, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
3614             new_sub_chapter->psz_parent = &chapters;
3615             chapters.sub_chapters.push_back( new_sub_chapter );
3616         }
3617     }
3618 }
3619
3620 /*****************************************************************************
3621  * ParseChapters:
3622  *****************************************************************************/
3623 void matroska_segment_c::ParseChapters( KaxChapters *chapters )
3624 {
3625     EbmlElement *el;
3626     size_t i;
3627     int i_upper_level = 0;
3628     mtime_t i_dur;
3629
3630     /* Master elements */
3631     chapters->Read( es, chapters->Generic().Context, i_upper_level, el, true );
3632
3633     for( i = 0; i < chapters->ListSize(); i++ )
3634     {
3635         EbmlElement *l = (*chapters)[i];
3636
3637         if( MKV_IS_ID( l, KaxEditionEntry ) )
3638         {
3639             chapter_edition_c *p_edition = new chapter_edition_c();
3640
3641             EbmlMaster *E = static_cast<EbmlMaster *>(l );
3642             size_t j;
3643             msg_Dbg( &sys.demuxer, "|   |   + EditionEntry" );
3644             for( j = 0; j < E->ListSize(); j++ )
3645             {
3646                 EbmlElement *l = (*E)[j];
3647
3648                 if( MKV_IS_ID( l, KaxChapterAtom ) )
3649                 {
3650                     chapter_item_c *new_sub_chapter = new chapter_item_c();
3651                     ParseChapterAtom( 0, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
3652                     p_edition->sub_chapters.push_back( new_sub_chapter );
3653                 }
3654                 else if( MKV_IS_ID( l, KaxEditionUID ) )
3655                 {
3656                     p_edition->i_uid = uint64(*static_cast<KaxEditionUID *>( l ));
3657                 }
3658                 else if( MKV_IS_ID( l, KaxEditionFlagOrdered ) )
3659                 {
3660                     p_edition->b_ordered = config_GetInt( &sys.demuxer, "mkv-use-ordered-chapters" ) ? (uint8(*static_cast<KaxEditionFlagOrdered *>( l )) != 0) : 0;
3661                 }
3662                 else if( MKV_IS_ID( l, KaxEditionFlagDefault ) )
3663                 {
3664                     if (uint8(*static_cast<KaxEditionFlagDefault *>( l )) != 0)
3665                         i_default_edition = stored_editions.size();
3666                 }
3667                 else
3668                 {
3669                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
3670                 }
3671             }
3672             stored_editions.push_back( p_edition );
3673         }
3674         else
3675         {
3676             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
3677         }
3678     }
3679
3680     for( i = 0; i < stored_editions.size(); i++ )
3681     {
3682         stored_editions[i]->RefreshChapters( );
3683     }
3684
3685     if ( stored_editions[i_default_edition]->b_ordered )
3686     {
3687         /* update the duration of the segment according to the sum of all sub chapters */
3688         i_dur = stored_editions[i_default_edition]->Duration() / I64C(1000);
3689         if (i_dur > 0)
3690             i_duration = i_dur;
3691     }
3692 }
3693
3694 void matroska_segment_c::ParseCluster( )
3695 {
3696     EbmlElement *el;
3697     EbmlMaster  *m;
3698     unsigned int i;
3699     int i_upper_level = 0;
3700
3701     /* Master elements */
3702     m = static_cast<EbmlMaster *>( cluster );
3703     m->Read( es, cluster->Generic().Context, i_upper_level, el, true );
3704
3705     for( i = 0; i < m->ListSize(); i++ )
3706     {
3707         EbmlElement *l = (*m)[i];
3708
3709         if( MKV_IS_ID( l, KaxClusterTimecode ) )
3710         {
3711             KaxClusterTimecode &ctc = *(KaxClusterTimecode*)l;
3712
3713             cluster->InitTimecode( uint64( ctc ), i_timescale );
3714             break;
3715         }
3716     }
3717
3718     i_start_time = cluster->GlobalTimecode() / 1000;
3719 }
3720
3721 /*****************************************************************************
3722  * InformationCreate:
3723  *****************************************************************************/
3724 void matroska_segment_c::InformationCreate( )
3725 {
3726     size_t      i_track;
3727
3728     sys.meta = vlc_meta_New();
3729
3730     if( psz_title )
3731     {
3732         vlc_meta_Add( sys.meta, VLC_META_TITLE, psz_title );
3733     }
3734     if( psz_date_utc )
3735     {
3736         vlc_meta_Add( sys.meta, VLC_META_DATE, psz_date_utc );
3737     }
3738     if( psz_segment_filename )
3739     {
3740         vlc_meta_Add( sys.meta, _("Segment filename"), psz_segment_filename );
3741     }
3742     if( psz_muxing_application )
3743     {
3744         vlc_meta_Add( sys.meta, _("Muxing application"), psz_muxing_application );
3745     }
3746     if( psz_writing_application )
3747     {
3748         vlc_meta_Add( sys.meta, _("Writing application"), psz_writing_application );
3749     }
3750
3751     for( i_track = 0; i_track < tracks.size(); i_track++ )
3752     {
3753         mkv_track_t *tk = tracks[i_track];
3754         vlc_meta_t *mtk = vlc_meta_New();
3755
3756         sys.meta->track = (vlc_meta_t**)realloc( sys.meta->track,
3757                                                     sizeof( vlc_meta_t * ) * ( sys.meta->i_track + 1 ) );
3758         sys.meta->track[sys.meta->i_track++] = mtk;
3759
3760         if( tk->fmt.psz_description )
3761         {
3762             vlc_meta_Add( sys.meta, VLC_META_DESCRIPTION, tk->fmt.psz_description );
3763         }
3764         if( tk->psz_codec_name )
3765         {
3766             vlc_meta_Add( sys.meta, VLC_META_CODEC_NAME, tk->psz_codec_name );
3767         }
3768         if( tk->psz_codec_settings )
3769         {
3770             vlc_meta_Add( sys.meta, VLC_META_SETTING, tk->psz_codec_settings );
3771         }
3772         if( tk->psz_codec_info_url )
3773         {
3774             vlc_meta_Add( sys.meta, VLC_META_CODEC_DESCRIPTION, tk->psz_codec_info_url );
3775         }
3776         if( tk->psz_codec_download_url )
3777         {
3778             vlc_meta_Add( sys.meta, VLC_META_URL, tk->psz_codec_download_url );
3779         }
3780     }
3781
3782     if( i_tags_position >= 0 )
3783     {
3784         vlc_bool_t b_seekable;
3785
3786         stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
3787         if( b_seekable )
3788         {
3789             LoadTags( );
3790         }
3791     }
3792 }
3793
3794
3795 /*****************************************************************************
3796  * Divers
3797  *****************************************************************************/
3798
3799 void matroska_segment_c::IndexAppendCluster( KaxCluster *cluster )
3800 {
3801 #define idx index[i_index]
3802     idx.i_track       = -1;
3803     idx.i_block_number= -1;
3804     idx.i_position    = cluster->GetElementPosition();
3805     idx.i_time        = -1;
3806     idx.b_key         = VLC_TRUE;
3807
3808     i_index++;
3809     if( i_index >= i_index_max )
3810     {
3811         i_index_max += 1024;
3812         index = (mkv_index_t*)realloc( index, sizeof( mkv_index_t ) * i_index_max );
3813     }
3814 #undef idx
3815 }
3816
3817 static char * UTF8ToStr( const UTFstring &u )
3818 {
3819     int     i_src;
3820     const wchar_t *src;
3821     char *dst, *p;
3822
3823     i_src = u.length();
3824     src   = u.c_str();
3825
3826     p = dst = (char*)malloc( i_src + 1);
3827     while( i_src > 0 )
3828     {
3829         if( *src < 255 )
3830         {
3831             *p++ = (char)*src;
3832         }
3833         else
3834         {
3835             *p++ = '?';
3836         }
3837         src++;
3838         i_src--;
3839     }
3840     *p++= '\0';
3841
3842     return dst;
3843 }
3844
3845 void chapter_edition_c::RefreshChapters( )
3846 {
3847     chapter_item_c::RefreshChapters( b_ordered, -1 );
3848     b_display_seekpoint = false;
3849 }
3850
3851 int64_t chapter_item_c::RefreshChapters( bool b_ordered, int64_t i_prev_user_time )
3852 {
3853     int64_t i_user_time = i_prev_user_time;
3854
3855     // first the sub-chapters, and then ourself
3856     std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
3857     while ( index != sub_chapters.end() )
3858     {
3859         i_user_time = (*index)->RefreshChapters( b_ordered, i_user_time );
3860         index++;
3861     }
3862
3863     if ( b_ordered )
3864     {
3865         // the ordered chapters always start at zero
3866         if ( i_prev_user_time == -1 )
3867         {
3868             if ( i_user_time == -1 )
3869                 i_user_time = 0;
3870             i_prev_user_time = 0;
3871         }
3872
3873         i_user_start_time = i_prev_user_time;
3874         if ( i_end_time != -1 && i_user_time == i_prev_user_time )
3875         {
3876             i_user_end_time = i_user_start_time - i_start_time + i_end_time;
3877         }
3878         else
3879         {
3880             i_user_end_time = i_user_time;
3881         }
3882     }
3883     else
3884     {
3885         std::sort( sub_chapters.begin(), sub_chapters.end() );
3886         i_user_start_time = i_start_time;
3887         if ( i_end_time != -1 )
3888             i_user_end_time = i_end_time;
3889         else if ( i_user_time != -1 )
3890             i_user_end_time = i_user_time;
3891         else
3892             i_user_end_time = i_user_start_time;
3893     }
3894
3895     return i_user_end_time;
3896 }
3897
3898 mtime_t chapter_edition_c::Duration() const
3899 {
3900     mtime_t i_result = 0;
3901
3902     if ( sub_chapters.size() )
3903     {
3904         std::vector<chapter_item_c*>::const_iterator index = sub_chapters.end();
3905         index--;
3906         i_result = (*index)->i_user_end_time;
3907     }
3908
3909     return i_result;
3910 }
3911
3912 chapter_item_c *chapter_item_c::FindTimecode( mtime_t i_user_timecode )
3913 {
3914     chapter_item_c *psz_result = NULL;
3915
3916     if ( i_user_timecode >= i_user_start_time &&
3917         ( i_user_timecode < i_user_end_time ||
3918           ( i_user_start_time == i_user_end_time && i_user_timecode == i_user_end_time )))
3919     {
3920         std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
3921         while ( index != sub_chapters.end() && psz_result == NULL )
3922         {
3923             psz_result = (*index)->FindTimecode( i_user_timecode );
3924             index++;
3925         }
3926
3927         if ( psz_result == NULL )
3928             psz_result = this;
3929     }
3930
3931     return psz_result;
3932 }
3933
3934 bool chapter_item_c::ParentOf( const chapter_item_c & item ) const
3935 {
3936     if ( &item == this )
3937         return true;
3938
3939     std::vector<chapter_item_c*>::const_iterator index = sub_chapters.begin();
3940     while ( index != sub_chapters.end() )
3941     {
3942         if ( (*index)->ParentOf( item ) )
3943             return true;
3944         index++;
3945     }
3946
3947     return false;
3948 }
3949
3950 void demux_sys_t::PreloadFamily( const matroska_segment_c & of_segment )
3951 {
3952     for (size_t i=0; i<opened_segments.size(); i++)
3953     {
3954         opened_segments[i]->PreloadFamily( of_segment );
3955     }
3956 }
3957 bool matroska_segment_c::PreloadFamily( const matroska_segment_c & of_segment )
3958 {
3959     if ( b_preloaded )
3960         return false;
3961
3962     for (size_t i=0; i<families.size(); i++)
3963     {
3964         for (size_t j=0; j<of_segment.families.size(); j++)
3965         {
3966             if ( families[i] == of_segment.families[j] )
3967                 return Preload( );
3968         }
3969     }
3970
3971     return false;
3972 }
3973
3974 // preload all the linked segments for all preloaded segments
3975 void demux_sys_t::PreloadLinked( matroska_segment_c *p_segment )
3976 {
3977     size_t i_preloaded, i, j;
3978     virtual_segment_c *p_seg;
3979
3980     p_current_segment = VirtualFromSegments( p_segment );
3981
3982     used_segments.push_back( p_current_segment );
3983
3984     // create all the other virtual segments of the family
3985     do {
3986         i_preloaded = 0;
3987         for ( i=0; i< opened_segments.size(); i++ )
3988         {
3989             if ( opened_segments[i]->b_preloaded && !IsUsedSegment( *opened_segments[i] ) )
3990             {
3991                 p_seg = VirtualFromSegments( opened_segments[i] );
3992                 used_segments.push_back( p_seg );
3993                 i_preloaded++;
3994             }
3995         }
3996     } while ( i_preloaded ); // worst case: will stop when all segments are found as family related
3997
3998     // publish all editions of all usable segment
3999     for ( i=0; i< used_segments.size(); i++ )
4000     {
4001         p_seg = used_segments[i];
4002         if ( p_seg->p_editions != NULL )
4003         {
4004             std::string sz_name;
4005             input_title_t *p_title = vlc_input_title_New();
4006             p_seg->i_sys_title = i;
4007             int i_chapters;
4008
4009             // TODO use a name for each edition, let the TITLE deal with a codec name
4010             for ( j=0; j<p_seg->p_editions->size(); j++ )
4011             {
4012                 if ( p_title->psz_name == NULL )
4013                 {
4014                     sz_name = (*p_seg->p_editions)[j]->GetMainName();
4015                     if ( sz_name != "" )
4016                         p_title->psz_name = strdup( sz_name.c_str() );
4017                 }
4018
4019                 chapter_edition_c *p_edition = (*p_seg->p_editions)[j];
4020
4021                 i_chapters = 0;
4022                 p_edition->PublishChapters( *p_title, i_chapters, 0 );
4023             }
4024
4025             // create a name if there is none
4026             if ( p_title->psz_name == NULL )
4027             {
4028                 sz_name = N_("Segment ");
4029                 char psz_str[6];
4030                 sprintf( psz_str, "%d", i );
4031                 sz_name += psz_str;
4032                 p_title->psz_name = strdup( sz_name.c_str() );
4033             }
4034
4035             titles.push_back( *p_title );
4036         }
4037     }
4038 }
4039
4040 bool demux_sys_t::IsUsedSegment( matroska_segment_c &segment ) const
4041 {
4042     for ( size_t i=0; i< used_segments.size(); i++ )
4043     {
4044         if ( used_segments[i]->FindUID( segment.segment_uid ) )
4045             return true;
4046     }
4047     return false;
4048 }
4049
4050 virtual_segment_c *demux_sys_t::VirtualFromSegments( matroska_segment_c *p_segment ) const
4051 {
4052     size_t i_preloaded, i;
4053
4054     virtual_segment_c *p_result = new virtual_segment_c( p_segment );
4055
4056     // fill our current virtual segment with all hard linked segments
4057     do {
4058         i_preloaded = 0;
4059         for ( i=0; i< opened_segments.size(); i++ )
4060         {
4061             i_preloaded += p_result->AddSegment( opened_segments[i] );
4062         }
4063     } while ( i_preloaded ); // worst case: will stop when all segments are found as linked
4064
4065     p_result->Sort( );
4066
4067     p_result->PreloadLinked( );
4068
4069     p_result->PrepareChapters( );
4070
4071     return p_result;
4072 }
4073
4074 bool demux_sys_t::PreparePlayback( virtual_segment_c *p_new_segment )
4075 {
4076     if ( p_new_segment != NULL && p_new_segment != p_current_segment )
4077     {
4078         if ( p_current_segment != NULL && p_current_segment->Segment() != NULL )
4079             p_current_segment->Segment()->UnSelect();
4080
4081         p_current_segment = p_new_segment;
4082         i_current_title = p_new_segment->i_sys_title;
4083     }
4084
4085     p_current_segment->LoadCues();
4086     f_duration = p_current_segment->Duration();
4087
4088     /* add information */
4089     p_current_segment->Segment()->InformationCreate( );
4090
4091     p_current_segment->Segment()->Select( 0 );
4092
4093     return true;
4094 }
4095
4096 bool matroska_segment_c::CompareSegmentUIDs( const matroska_segment_c * p_item_a, const matroska_segment_c * p_item_b )
4097 {
4098     EbmlBinary * p_itema = (EbmlBinary *)(&p_item_a->segment_uid);
4099     if ( *p_itema == p_item_b->prev_segment_uid )
4100         return true;
4101
4102     p_itema = (EbmlBinary *)(&p_item_a->next_segment_uid);
4103     if ( *p_itema == p_item_b->segment_uid )
4104         return true;
4105
4106     if ( *p_itema == p_item_b->prev_segment_uid )
4107         return true;
4108
4109     return false;
4110 }
4111
4112 bool matroska_segment_c::Preload( )
4113 {
4114     if ( b_preloaded )
4115         return false;
4116
4117     EbmlElement *el = NULL;
4118
4119     ep->Reset( &sys.demuxer );
4120
4121     while( ( el = ep->Get() ) != NULL )
4122     {
4123         if( MKV_IS_ID( el, KaxInfo ) )
4124         {
4125             ParseInfo( static_cast<KaxInfo*>( el ) );
4126         }
4127         else if( MKV_IS_ID( el, KaxTracks ) )
4128         {
4129             ParseTracks( static_cast<KaxTracks*>( el ) );
4130         }
4131         else if( MKV_IS_ID( el, KaxSeekHead ) )
4132         {
4133             ParseSeekHead( static_cast<KaxSeekHead*>( el ) );
4134         }
4135         else if( MKV_IS_ID( el, KaxCues ) )
4136         {
4137             msg_Dbg( &sys.demuxer, "|   + Cues" );
4138         }
4139         else if( MKV_IS_ID( el, KaxCluster ) )
4140         {
4141             msg_Dbg( &sys.demuxer, "|   + Cluster" );
4142
4143             cluster = (KaxCluster*)el;
4144
4145             i_start_pos = cluster->GetElementPosition();
4146             ParseCluster( );
4147
4148             ep->Down();
4149             /* stop parsing the stream */
4150             break;
4151         }
4152         else if( MKV_IS_ID( el, KaxAttachments ) )
4153         {
4154             msg_Dbg( &sys.demuxer, "|   + Attachments FIXME (but probably never supported)" );
4155         }
4156         else if( MKV_IS_ID( el, KaxChapters ) )
4157         {
4158             msg_Dbg( &sys.demuxer, "|   + Chapters" );
4159             ParseChapters( static_cast<KaxChapters*>( el ) );
4160         }
4161         else if( MKV_IS_ID( el, KaxTag ) )
4162         {
4163             msg_Dbg( &sys.demuxer, "|   + Tags FIXME TODO" );
4164         }
4165         else
4166         {
4167             msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid(*el).name() );
4168         }
4169     }
4170
4171     b_preloaded = true;
4172
4173     return true;
4174 }
4175
4176 matroska_segment_c *demux_sys_t::FindSegment( const EbmlBinary & uid ) const
4177 {
4178     for (size_t i=0; i<opened_segments.size(); i++)
4179     {
4180         if ( opened_segments[i]->segment_uid == uid )
4181             return opened_segments[i];
4182     }
4183     return NULL;
4184 }
4185
4186 chapter_item_c *demux_sys_t::BrowseCodecPrivate( unsigned int codec_id,
4187                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
4188                                         const void *p_cookie,
4189                                         size_t i_cookie_size,
4190                                         virtual_segment_c * &p_segment_found )
4191 {
4192     chapter_item_c *p_result = NULL;
4193     for (size_t i=0; i<used_segments.size(); i++)
4194     {
4195         p_result = used_segments[i]->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
4196         if ( p_result != NULL )
4197         {
4198             p_segment_found = used_segments[i];
4199             break;
4200         }
4201     }
4202     return p_result;
4203 }
4204
4205 chapter_item_c *demux_sys_t::FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found )
4206 {
4207     chapter_item_c *p_result = NULL;
4208     for (size_t i=0; i<used_segments.size(); i++)
4209     {
4210         p_result = used_segments[i]->FindChapter( i_find_uid );
4211         if ( p_result != NULL )
4212         {
4213             p_segment_found = used_segments[i];
4214             break;
4215         }
4216     }
4217     return p_result;
4218 }
4219
4220 void virtual_segment_c::Sort()
4221 {
4222     // keep the current segment index
4223     matroska_segment_c *p_segment = linked_segments[i_current_segment];
4224
4225     std::sort( linked_segments.begin(), linked_segments.end(), matroska_segment_c::CompareSegmentUIDs );
4226
4227     for ( i_current_segment=0; i_current_segment<linked_segments.size(); i_current_segment++)
4228         if ( linked_segments[i_current_segment] == p_segment )
4229             break;
4230 }
4231
4232 size_t virtual_segment_c::AddSegment( matroska_segment_c *p_segment )
4233 {
4234     size_t i;
4235     // check if it's not already in here
4236     for ( i=0; i<linked_segments.size(); i++ )
4237     {
4238         if ( p_segment->segment_uid == linked_segments[i]->segment_uid )
4239             return 0;
4240     }
4241
4242     // find possible mates
4243     for ( i=0; i<linked_uids.size(); i++ )
4244     {
4245         if (   p_segment->segment_uid == linked_uids[i]
4246             || p_segment->prev_segment_uid == linked_uids[i]
4247             || p_segment->next_segment_uid == linked_uids[i] )
4248         {
4249             linked_segments.push_back( p_segment );
4250
4251             AppendUID( p_segment->prev_segment_uid );
4252             AppendUID( p_segment->next_segment_uid );
4253
4254             return 1;
4255         }
4256     }
4257     return 0;
4258 }
4259
4260 void virtual_segment_c::PreloadLinked( )
4261 {
4262     for ( size_t i=0; i<linked_segments.size(); i++ )
4263     {
4264         linked_segments[i]->Preload( );
4265     }
4266     i_current_edition = linked_segments[0]->i_default_edition;
4267 }
4268
4269 mtime_t virtual_segment_c::Duration() const
4270 {
4271     mtime_t i_duration;
4272     if ( linked_segments.size() == 0 )
4273         i_duration = 0;
4274     else {
4275         matroska_segment_c *p_last_segment = linked_segments[linked_segments.size()-1];
4276 //        p_last_segment->ParseCluster( );
4277
4278         i_duration = p_last_segment->i_start_time / 1000 + p_last_segment->i_duration;
4279     }
4280     return i_duration;
4281 }
4282
4283 void virtual_segment_c::LoadCues( )
4284 {
4285     for ( size_t i=0; i<linked_segments.size(); i++ )
4286     {
4287         linked_segments[i]->LoadCues();
4288     }
4289 }
4290
4291 void virtual_segment_c::AppendUID( const EbmlBinary & UID )
4292 {
4293     if ( UID.GetBuffer() == NULL )
4294         return;
4295
4296     for (size_t i=0; i<linked_uids.size(); i++)
4297     {
4298         if ( UID == linked_uids[i] )
4299             return;
4300     }
4301     linked_uids.push_back( *(KaxSegmentUID*)(&UID) );
4302 }
4303
4304 void matroska_segment_c::Seek( mtime_t i_date, mtime_t i_time_offset )
4305 {
4306     KaxBlock    *block;
4307     int         i_track_skipping;
4308     int64_t     i_block_duration;
4309     int64_t     i_block_ref1;
4310     int64_t     i_block_ref2;
4311     size_t      i_track;
4312     int64_t     i_seek_position = i_start_pos;
4313     int64_t     i_seek_time = i_start_time;
4314
4315     if ( i_index > 0 )
4316     {
4317         int i_idx = 0;
4318
4319         for( ; i_idx < i_index; i_idx++ )
4320         {
4321             if( index[i_idx].i_time + i_time_offset > i_date )
4322             {
4323                 break;
4324             }
4325         }
4326
4327         if( i_idx > 0 )
4328         {
4329             i_idx--;
4330         }
4331
4332         i_seek_position = index[i_idx].i_position;
4333         i_seek_time = index[i_idx].i_time;
4334     }
4335
4336     msg_Dbg( &sys.demuxer, "seek got "I64Fd" (%d%%)",
4337                 i_seek_time, (int)( 100 * i_seek_position / stream_Size( sys.demuxer.s ) ) );
4338
4339     es.I_O().setFilePointer( i_seek_position, seek_beginning );
4340
4341     delete ep;
4342     ep = new EbmlParser( &es, segment, &sys.demuxer );
4343     cluster = NULL;
4344
4345     sys.i_start_pts = i_date;
4346
4347     es_out_Control( sys.demuxer.out, ES_OUT_RESET_PCR );
4348
4349     /* now parse until key frame */
4350 #define tk  tracks[i_track]
4351     i_track_skipping = 0;
4352     for( i_track = 0; i_track < tracks.size(); i_track++ )
4353     {
4354         if( tk->fmt.i_cat == VIDEO_ES )
4355         {
4356             tk->b_search_keyframe = VLC_TRUE;
4357             i_track_skipping++;
4358         }
4359         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tk->p_es, i_date );
4360     }
4361
4362
4363     while( i_track_skipping > 0 )
4364     {
4365         if( BlockGet( &block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
4366         {
4367             msg_Warn( &sys.demuxer, "cannot get block EOF?" );
4368
4369             return;
4370         }
4371
4372         for( i_track = 0; i_track < tracks.size(); i_track++ )
4373         {
4374             if( tk->i_number == block->TrackNum() )
4375             {
4376                 break;
4377             }
4378         }
4379
4380         sys.i_pts = sys.i_chapter_time + block->GlobalTimecode() / (mtime_t) 1000;
4381
4382         if( i_track < tracks.size() )
4383         {
4384             if( sys.i_pts >= sys.i_start_pts )
4385             {
4386                 BlockDecode( &sys.demuxer, block, sys.i_pts, 0 );
4387                 i_track_skipping = 0;
4388             }
4389             else if( tk->fmt.i_cat == VIDEO_ES )
4390             {
4391                 if( i_block_ref1 == -1 && tk->b_search_keyframe )
4392                 {
4393                     tk->b_search_keyframe = VLC_FALSE;
4394                     i_track_skipping--;
4395                 }
4396                 if( !tk->b_search_keyframe )
4397                 {
4398                     BlockDecode( &sys.demuxer, block, sys.i_pts, 0 );
4399                 }
4400             }
4401         }
4402
4403         delete block;
4404     }
4405 #undef tk
4406 }
4407
4408 void virtual_segment_c::Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter )
4409 {
4410     demux_sys_t *p_sys = demuxer.p_sys;
4411     size_t i;
4412
4413     // find the actual time for an ordered edition
4414     if ( psz_chapter == NULL )
4415     {
4416         if ( Edition() && Edition()->b_ordered )
4417         {
4418             /* 1st, we need to know in which chapter we are */
4419             psz_chapter = (*p_editions)[i_current_edition]->FindTimecode( i_date );
4420         }
4421     }
4422
4423     if ( psz_chapter != NULL )
4424     {
4425         psz_current_chapter = psz_chapter;
4426         p_sys->i_chapter_time = i_time_offset = psz_chapter->i_user_start_time - psz_chapter->i_start_time;
4427         if ( psz_chapter->i_seekpoint_num > 0 )
4428         {
4429             demuxer.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
4430             demuxer.info.i_title = p_sys->i_current_title = i_sys_title;
4431             demuxer.info.i_seekpoint = psz_chapter->i_seekpoint_num - 1;
4432         }
4433     }
4434
4435     // find the best matching segment
4436     for ( i=0; i<linked_segments.size(); i++ )
4437     {
4438         if ( i_date < linked_segments[i]->i_start_time )
4439             break;
4440     }
4441
4442     if ( i > 0 )
4443         i--;
4444
4445     if ( i_current_segment != i  )
4446     {
4447         linked_segments[i_current_segment]->UnSelect();
4448         linked_segments[i]->Select( i_date );
4449         i_current_segment = i;
4450     }
4451
4452     linked_segments[i]->Seek( i_date, i_time_offset );
4453 }
4454
4455 void chapter_codec_cmds_c::AddCommand( const KaxChapterProcessCommand & command )
4456 {
4457     size_t i;
4458
4459     uint32 codec_time = uint32(-1);
4460     for( i = 0; i < command.ListSize(); i++ )
4461     {
4462         const EbmlElement *k = command[i];
4463
4464         if( MKV_IS_ID( k, KaxChapterProcessTime ) )
4465         {
4466             codec_time = uint32( *static_cast<const KaxChapterProcessTime*>( k ) );
4467             break;
4468         }
4469     }
4470
4471     for( i = 0; i < command.ListSize(); i++ )
4472     {
4473         const EbmlElement *k = command[i];
4474
4475         if( MKV_IS_ID( k, KaxChapterProcessData ) )
4476         {
4477             KaxChapterProcessData *p_data =  new KaxChapterProcessData( *static_cast<const KaxChapterProcessData*>( k ) );
4478             switch ( codec_time )
4479             {
4480             case 0:
4481                 during_cmds.push_back( *p_data );
4482                 break;
4483             case 1:
4484                 enter_cmds.push_back( *p_data );
4485                 break;
4486             case 2:
4487                 leave_cmds.push_back( *p_data );
4488                 break;
4489             default:
4490                 delete p_data;
4491             }
4492         }
4493     }
4494 }
4495
4496 bool chapter_item_c::Enter( bool b_do_subs )
4497 {
4498     bool f_result = false;
4499     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
4500     while ( index != codecs.end() )
4501     {
4502         f_result |= (*index)->Enter();
4503         index++;
4504     }
4505
4506     if ( b_do_subs )
4507     {
4508         // sub chapters
4509         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
4510         while ( index_ != sub_chapters.end() )
4511         {
4512             f_result |= (*index_)->Enter( true );
4513             index_++;
4514         }
4515     }
4516     return f_result;
4517 }
4518
4519 bool chapter_item_c::Leave( bool b_do_subs )
4520 {
4521     bool f_result = false;
4522     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
4523     while ( index != codecs.end() )
4524     {
4525         f_result |= (*index)->Leave();
4526         index++;
4527     }
4528
4529     if ( b_do_subs )
4530     {
4531         // sub chapters
4532         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
4533         while ( index_ != sub_chapters.end() )
4534         {
4535             f_result |= (*index_)->Leave( true );
4536             index_++;
4537         }
4538     }
4539     return f_result;
4540 }
4541
4542 bool chapter_item_c::EnterAndLeave( chapter_item_c *p_item )
4543 {
4544     chapter_item_c *p_common_parent = p_item;
4545
4546     // leave, up to a common parent
4547     while ( p_common_parent != NULL && !p_common_parent->ParentOf( *this ) )
4548     {
4549         if ( p_common_parent->Leave( false ) )
4550             return true;
4551         p_common_parent = p_common_parent->psz_parent;
4552     }
4553
4554     // enter from the parent to <this>
4555     if ( p_common_parent != NULL )
4556     {
4557         do
4558         {
4559             for ( size_t i = 0; i<p_common_parent->sub_chapters.size(); i++ )
4560             {
4561                 if ( p_common_parent->sub_chapters[i]->ParentOf( *this ) )
4562                 {
4563                     p_common_parent = p_common_parent->sub_chapters[i];
4564                     break;
4565                 }
4566             }
4567
4568             if ( p_common_parent == this )
4569                 break;
4570
4571             if ( p_common_parent->Enter( false ) )
4572                 return true;
4573         } while ( 1 );
4574     }
4575
4576     return Enter( true );
4577 }
4578
4579 bool dvd_chapter_codec_c::Enter()
4580 {
4581     bool f_result = false;
4582     std::vector<KaxChapterProcessData>::iterator index = enter_cmds.begin();
4583     while ( index != enter_cmds.end() )
4584     {
4585         if ( (*index).GetSize() )
4586         {
4587             binary *p_data = (*index).GetBuffer();
4588             size_t i_size = *p_data++;
4589             // avoid reading too much from the buffer
4590             i_size = min( i_size, ((*index).GetSize() - 1) >> 3 );
4591             for ( ; i_size > 0; i_size--, p_data += 8 )
4592             {
4593                 msg_Dbg( &sys.demuxer, "Matroska DVD enter command" );
4594                 f_result |= interpretor.Interpret( p_data );
4595             }
4596         }
4597         index++;
4598     }
4599     return f_result;
4600 }
4601
4602 bool dvd_chapter_codec_c::Leave()
4603 {
4604     bool f_result = false;
4605     std::vector<KaxChapterProcessData>::iterator index = leave_cmds.begin();
4606     while ( index != leave_cmds.end() )
4607     {
4608         if ( (*index).GetSize() )
4609         {
4610             binary *p_data = (*index).GetBuffer();
4611             size_t i_size = *p_data++;
4612             // avoid reading too much from the buffer
4613             i_size = min( i_size, ((*index).GetSize() - 1) >> 3 );
4614             for ( ; i_size > 0; i_size--, p_data += 8 )
4615             {
4616                 msg_Dbg( &sys.demuxer, "Matroska DVD leave command" );
4617                 f_result |= interpretor.Interpret( p_data );
4618             }
4619         }
4620         index++;
4621     }
4622     return f_result;
4623 }
4624
4625 // see http://www.dvd-replica.com/DVD/vmcmdset.php for a description of DVD commands
4626 bool dvd_command_interpretor_c::Interpret( const binary * p_command, size_t i_size )
4627 {
4628     if ( i_size != 8 )
4629         return false;
4630
4631     virtual_segment_c *p_segment;
4632     chapter_item_c *p_chapter;
4633     bool f_result = false;
4634     uint16 i_command = ( p_command[0] << 8 ) + p_command[1];
4635
4636     // handle register tests if there are some
4637     if ( (i_command & 0xF0) != 0 )
4638     {
4639         bool b_test_positive = (i_command & CMD_DVD_IF_NOT) == 0;
4640         bool b_test_value    = (i_command & CMD_DVD_TEST_VALUE) != 0;
4641         uint8 i_test = i_command & 0x70;
4642         uint16 i_value;
4643
4644         if ( b_test_value )
4645             i_value = ( p_command[4] << 8 ) + p_command[5];
4646         else
4647             i_value = GetPRM( p_command[7] );
4648
4649         switch ( i_test )
4650         {
4651         case CMD_DVD_IF_GPREG_EQUAL:
4652             // if equals
4653             msg_Dbg( &sys.demuxer, "IF %s EQUALS %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
4654             if (!( GetPRM( p_command[3] ) == i_value ))
4655             {
4656                 b_test_positive = !b_test_positive;
4657             }
4658             break;
4659         case CMD_DVD_IF_GPREG_INF:
4660             // if inferior
4661             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
4662             if (!( GetPRM( p_command[3] ) < i_value ))
4663             {
4664                 b_test_positive = !b_test_positive;
4665             }
4666             break;
4667         case CMD_DVD_IF_GPREG_AND:
4668             // if logical and
4669             msg_Dbg( &sys.demuxer, "IF %s & %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
4670             if (!( GetPRM( p_command[3] ) & i_value ))
4671             {
4672                 b_test_positive = !b_test_positive;
4673             }
4674             break;
4675         case CMD_DVD_IF_GPREG_SUP_EQUAL:
4676             // if superior or equal
4677             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
4678             if (!( GetPRM( p_command[3] ) >= i_value ))
4679             {
4680                 b_test_positive = !b_test_positive;
4681             }
4682             break;
4683         }
4684
4685         if ( !b_test_positive )
4686             return false;
4687     }
4688
4689     // strip the test command
4690     i_command &= 0xFF0F;
4691
4692     switch ( i_command )
4693     {
4694     case CMD_DVD_NOP:
4695     case CMD_DVD_NOP2:
4696         {
4697             msg_Dbg( &sys.demuxer, "NOP" );
4698             break;
4699         }
4700     case CMD_DVD_BREAK:
4701         {
4702             msg_Dbg( &sys.demuxer, "Break" );
4703             // TODO
4704             break;
4705         }
4706     case CMD_DVD_JUMP_TT:
4707         {
4708             uint8 i_title = p_command[5];
4709             msg_Dbg( &sys.demuxer, "JumpTT %d", i_title );
4710
4711             // find in the ChapProcessPrivate matching this Title level
4712             p_chapter = sys.BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title), p_segment );
4713             if ( p_chapter != NULL )
4714             {
4715                 // if the segment is not part of the current segment, select the new one
4716                 if ( p_segment != sys.p_current_segment )
4717                 {
4718                     sys.PreparePlayback( p_segment );
4719                 }
4720
4721                 // jump to the location in the found segment
4722                 p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, NULL );
4723                 p_chapter->Enter( true );
4724
4725                 f_result = true;
4726             }
4727
4728             break;
4729         }
4730     case CMD_DVD_CALLSS_VTSM1:
4731         {
4732             msg_Dbg( &sys.demuxer, "CallSS VTSM" );
4733             switch( (p_command[6] & 0xC0) >> 6 ) {
4734                 case 0:
4735                     switch ( p_command[5] )
4736                     {
4737                     case 0x00:
4738                         msg_Dbg( &sys.demuxer, "CallSS PGC (rsm_cell %x)", p_command[5]);
4739                         break;
4740                     case 0x82:
4741                         msg_Dbg( &sys.demuxer, "CallSS Title Entry (rsm_cell %x)", p_command[5]);
4742                         break;
4743                     case 0x83:
4744                         msg_Dbg( &sys.demuxer, "CallSS Root Menu (rsm_cell %x)", p_command[5]);
4745                         break;
4746                     case 0x84:
4747                         msg_Dbg( &sys.demuxer, "CallSS Subpicture Menu (rsm_cell %x)", p_command[5]);
4748                         break;
4749                     case 0x85:
4750                         msg_Dbg( &sys.demuxer, "CallSS Audio Menu (rsm_cell %x)", p_command[5]);
4751                         break;
4752                     case 0x86:
4753                         msg_Dbg( &sys.demuxer, "CallSS Angle Menu (rsm_cell %x)", p_command[5]);
4754                         break;
4755                     case 0x87:
4756                         msg_Dbg( &sys.demuxer, "CallSS Chapter Menu (rsm_cell %x)", p_command[5]);
4757                         break;
4758                     default:
4759                         msg_Dbg( &sys.demuxer, "CallSS <unknown> (rsm_cell %x)", p_command[5]);
4760                         break;
4761                     }
4762                     p_chapter = sys.BrowseCodecPrivate( 1, MatchPgcType, &p_command[5], 1, p_segment );
4763                     if ( p_chapter != NULL )
4764                     {
4765                         // if the segment is not part of the current segment, select the new one
4766                         if ( p_segment != sys.p_current_segment )
4767                         {
4768                             sys.PreparePlayback( p_segment );
4769                         }
4770
4771                         p_chapter->Enter( true );
4772
4773                         // jump to the location in the found segment
4774                         p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
4775                         f_result = true;
4776                     }
4777                 break;
4778                 case 1:
4779                     msg_Dbg( &sys.demuxer, "CallSS VMGM (menu %d, rsm_cell %x)", p_command[6] & 0x0F, p_command[5]);
4780                 break;
4781                 case 2:
4782                     msg_Dbg( &sys.demuxer, "CallSS VTSM (menu %d, rsm_cell %x)", p_command[6] & 0x0F, p_command[5]);
4783                 break;
4784                 case 3:
4785                     msg_Dbg( &sys.demuxer, "CallSS VMGM (pgc %d, rsm_cell %x)", (p_command[3] << 8) + p_command[4], p_command[5]);
4786                 break;
4787             }
4788             break;
4789         }
4790     case CMD_DVD_SET_GPRMMD:
4791         {
4792             msg_Dbg( &sys.demuxer, "Set GPRMMD [%d]=%d", (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3]);
4793
4794             if ( !SetGPRM( (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3] ) )
4795                 msg_Dbg( &sys.demuxer, "Set GPRMMD failed" );
4796             break;
4797         }
4798     case CMD_DVD_LINKPGCN:
4799         {
4800             uint16 i_pgcn = (p_command[6] << 8) + p_command[7];
4801
4802             msg_Dbg( &sys.demuxer, "Link PGCN(%d)", i_pgcn );
4803             // TODO
4804             break;
4805         }
4806     case CMD_DVD_LINKCN:
4807         {
4808             msg_Dbg( &sys.demuxer, "LinkCN (cell %d)", (p_command[6] << 8) + p_command[7] );
4809             // TODO
4810             f_result = true;
4811             break;
4812         }
4813     case CMD_DVD_GOTO_LINE:
4814         {
4815             msg_Dbg( &sys.demuxer, "GotoLine (%d)", (p_command[6] << 8) + p_command[7] );
4816             // TODO
4817             break;
4818         }
4819     default:
4820         {
4821             msg_Dbg( &sys.demuxer, "unsupported command : %02X %02X %02X %02X %02X %02X %02X %02X"
4822                      ,p_command[0]
4823                      ,p_command[1]
4824                      ,p_command[2]
4825                      ,p_command[3]
4826                      ,p_command[4]
4827                      ,p_command[5]
4828                      ,p_command[6]
4829                      ,p_command[7]);
4830             break;
4831         }
4832     }
4833
4834     return f_result;
4835 }
4836
4837 bool dvd_command_interpretor_c::MatchTitleNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
4838 {
4839     if ( i_cookie_size != 1 || data.m_private_data.GetSize() < 4 )
4840         return false;
4841
4842     if ( data.m_private_data.GetBuffer()[0] != MATROSKA_DVD_LEVEL_TT )
4843         return false;
4844
4845     uint16 i_gtitle = (data.m_private_data.GetBuffer()[1] << 8 ) + data.m_private_data.GetBuffer()[2];
4846     uint8 i_title = *(uint8*)p_cookie;
4847
4848     return (i_gtitle == i_title);
4849 }
4850
4851 bool dvd_command_interpretor_c::MatchPgcType( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
4852 {
4853     if ( i_cookie_size != 1 || data.m_private_data.GetSize() < 7 )
4854         return false;
4855
4856     if ( data.m_private_data.GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
4857         return false;
4858
4859     uint8 i_pgc_type = data.m_private_data.GetBuffer()[3];
4860     uint8 i_pgc = *(uint8*)p_cookie;
4861
4862     return (i_pgc_type == i_pgc);
4863 }
4864
4865 bool matroska_script_codec_c::Enter()
4866 {
4867     bool f_result = false;
4868     std::vector<KaxChapterProcessData>::iterator index = enter_cmds.begin();
4869     while ( index != enter_cmds.end() )
4870     {
4871         if ( (*index).GetSize() )
4872         {
4873             msg_Dbg( &sys.demuxer, "Matroska Script enter command" );
4874             f_result |= interpretor.Interpret( (*index).GetBuffer(), (*index).GetSize() );
4875         }
4876         index++;
4877     }
4878     return f_result;
4879 }
4880
4881 bool matroska_script_codec_c::Leave()
4882 {
4883     bool f_result = false;
4884     std::vector<KaxChapterProcessData>::iterator index = leave_cmds.begin();
4885     while ( index != leave_cmds.end() )
4886     {
4887         if ( (*index).GetSize() )
4888         {
4889             msg_Dbg( &sys.demuxer, "Matroska Script leave command" );
4890             f_result |= interpretor.Interpret( (*index).GetBuffer(), (*index).GetSize() );
4891         }
4892         index++;
4893     }
4894     return f_result;
4895 }
4896
4897 // see http://www.matroska.org/technical/specs/chapters/index.html#mscript
4898 //  for a description of existing commands
4899 bool matroska_script_interpretor_c::Interpret( const binary * p_command, size_t i_size )
4900 {
4901     bool b_result = false;
4902
4903     char *psz_str = (char*) malloc( i_size + 1 );
4904     memcpy( psz_str, p_command, i_size );
4905     psz_str[ i_size ] = '\0';
4906
4907     std::string sz_command = psz_str;
4908     free( psz_str );
4909
4910     msg_Dbg( &sys.demuxer, "command : %s", sz_command.c_str() );
4911
4912     if ( sz_command.compare( 0, CMD_MS_GOTO_AND_PLAY.size(), CMD_MS_GOTO_AND_PLAY ) == 0 )
4913     {
4914         size_t i,j;
4915
4916         // find the (
4917         for ( i=CMD_MS_GOTO_AND_PLAY.size(); i<sz_command.size(); i++)
4918         {
4919             if ( sz_command[i] == '(' )
4920             {
4921                 i++;
4922                 break;
4923             }
4924         }
4925         // find the )
4926         for ( j=i; j<sz_command.size(); j++)
4927         {
4928             if ( sz_command[j] == ')' )
4929             {
4930                 i--;
4931                 break;
4932             }
4933         }
4934
4935         std::string st = sz_command.substr( i+1, j-i-1 );
4936         int64_t i_chapter_uid = atoi( st.c_str() );
4937
4938         virtual_segment_c *p_segment;
4939         chapter_item_c *p_chapter = sys.FindChapter( i_chapter_uid, p_segment );
4940
4941         if ( p_chapter == NULL )
4942             msg_Dbg( &sys.demuxer, "Chapter %d not found", i_chapter_uid);
4943         else
4944         {
4945             p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
4946             b_result = true;
4947         }
4948     }
4949
4950     return b_result;
4951 }