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

   1 /*****************************************************************************
   2  * mkv.cpp : matroska demuxer
   3  *****************************************************************************
   4  * Copyright (C) 2003-2004 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   8  *          Steve Lhomme <steve.lhomme@free.fr>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 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 #if LIBMATROSKA_VERSION < 0x000706
  88 START_LIBMATROSKA_NAMESPACE
  89 extern const EbmlSemanticContext MATROSKA_DLL_API KaxMatroska_Context;
  90 END_LIBMATROSKA_NAMESPACE
  91 #endif
  92
  93 #include "vlc_keys.h"
  94
  95 extern "C" {
  96    #include "mp4/libmp4.h"
  97 }
  98 #ifdef HAVE_ZLIB_H
  99 #   include <zlib.h>
 100 #endif
 101
 102 #define MATROSKA_COMPRESSION_NONE 0
 103 #define MATROSKA_COMPRESSION_ZLIB 1
 104
 105 #define MKVD_TIMECODESCALE 1000000
 106
 107 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 108 #undef ATTRIBUTE_PACKED
 109 #undef PRAGMA_PACK_BEGIN
 110 #undef PRAGMA_PACK_END
 111
 112 #if defined(__GNUC__)
 113 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)
 114 #define ATTRIBUTE_PACKED __attribute__ ((packed))
 115 #define PRAGMA_PACK 0
 116 #endif
 117 #endif
 118
 119 #if !defined(ATTRIBUTE_PACKED)
 120 #define ATTRIBUTE_PACKED
 121 #define PRAGMA_PACK 1
 122 #endif
 123
 124 #if PRAGMA_PACK
 125 #pragma pack(1)
 126 #endif
 127
 128 /*************************************
 129 *  taken from libdvdnav / libdvdread
 130 **************************************/
 131
 132 /**
 133  * DVD Time Information.
 134  */
 135 typedef struct {
 136   uint8_t hour;
 137   uint8_t minute;
 138   uint8_t second;
 139   uint8_t frame_u; /* The two high bits are the frame rate. */
 140 } ATTRIBUTE_PACKED dvd_time_t;
 141
 142 /**
 143  * User Operations.
 144  */
 145 typedef struct {
 146 #ifdef WORDS_BIGENDIAN
 147   unsigned char zero                           : 7; /* 25-31 */
 148   unsigned char video_pres_mode_change         : 1; /* 24 */
 149
 150   unsigned char karaoke_audio_pres_mode_change : 1; /* 23 */
 151   unsigned char angle_change                   : 1;
 152   unsigned char subpic_stream_change           : 1;
 153   unsigned char audio_stream_change            : 1;
 154   unsigned char pause_on                       : 1;
 155   unsigned char still_off                      : 1;
 156   unsigned char button_select_or_activate      : 1;
 157   unsigned char resume                         : 1; /* 16 */
 158
 159   unsigned char chapter_menu_call              : 1; /* 15 */
 160   unsigned char angle_menu_call                : 1;
 161   unsigned char audio_menu_call                : 1;
 162   unsigned char subpic_menu_call               : 1;
 163   unsigned char root_menu_call                 : 1;
 164   unsigned char title_menu_call                : 1;
 165   unsigned char backward_scan                  : 1;
 166   unsigned char forward_scan                   : 1; /* 8 */
 167
 168   unsigned char next_pg_search                 : 1; /* 7 */
 169   unsigned char prev_or_top_pg_search          : 1;
 170   unsigned char time_or_chapter_search         : 1;
 171   unsigned char go_up                          : 1;
 172   unsigned char stop                           : 1;
 173   unsigned char title_play                     : 1;
 174   unsigned char chapter_search_or_play         : 1;
 175   unsigned char title_or_time_play             : 1; /* 0 */
 176 #else
 177   unsigned char video_pres_mode_change         : 1; /* 24 */
 178   unsigned char zero                           : 7; /* 25-31 */
 179
 180   unsigned char resume                         : 1; /* 16 */
 181   unsigned char button_select_or_activate      : 1;
 182   unsigned char still_off                      : 1;
 183   unsigned char pause_on                       : 1;
 184   unsigned char audio_stream_change            : 1;
 185   unsigned char subpic_stream_change           : 1;
 186   unsigned char angle_change                   : 1;
 187   unsigned char karaoke_audio_pres_mode_change : 1; /* 23 */
 188
 189   unsigned char forward_scan                   : 1; /* 8 */
 190   unsigned char backward_scan                  : 1;
 191   unsigned char title_menu_call                : 1;
 192   unsigned char root_menu_call                 : 1;
 193   unsigned char subpic_menu_call               : 1;
 194   unsigned char audio_menu_call                : 1;
 195   unsigned char angle_menu_call                : 1;
 196   unsigned char chapter_menu_call              : 1; /* 15 */
 197
 198   unsigned char title_or_time_play             : 1; /* 0 */
 199   unsigned char chapter_search_or_play         : 1;
 200   unsigned char title_play                     : 1;
 201   unsigned char stop                           : 1;
 202   unsigned char go_up                          : 1;
 203   unsigned char time_or_chapter_search         : 1;
 204   unsigned char prev_or_top_pg_search          : 1;
 205   unsigned char next_pg_search                 : 1; /* 7 */
 206 #endif
 207 } ATTRIBUTE_PACKED user_ops_t;
 208
 209 /**
 210  * Type to store per-command data.
 211  */
 212 typedef struct {
 213   uint8_t bytes[8];
 214 } ATTRIBUTE_PACKED vm_cmd_t;
 215 #define COMMAND_DATA_SIZE 8
 216
 217 /**
 218  * PCI General Information
 219  */
 220 typedef struct {
 221   uint32_t nv_pck_lbn;      /**< sector address of this nav pack */
 222   uint16_t vobu_cat;        /**< 'category' of vobu */
 223   uint16_t zero1;           /**< reserved */
 224   user_ops_t vobu_uop_ctl;  /**< UOP of vobu */
 225   uint32_t vobu_s_ptm;      /**< start presentation time of vobu */
 226   uint32_t vobu_e_ptm;      /**< end presentation time of vobu */
 227   uint32_t vobu_se_e_ptm;   /**< end ptm of sequence end in vobu */
 228   dvd_time_t e_eltm;        /**< Cell elapsed time */
 229   char vobu_isrc[32];
 230 } ATTRIBUTE_PACKED pci_gi_t;
 231
 232 /**
 233  * Non Seamless Angle Information
 234  */
 235 typedef struct {
 236   uint32_t nsml_agl_dsta[9];  /**< address of destination vobu in AGL_C#n */
 237 } ATTRIBUTE_PACKED nsml_agli_t;
 238
 239 /**
 240  * Highlight General Information
 241  *
 242  * For btngrX_dsp_ty the bits have the following meaning:
 243  * 000b: normal 4/3 only buttons
 244  * XX1b: wide (16/9) buttons
 245  * X1Xb: letterbox buttons
 246  * 1XXb: pan&scan buttons
 247  */
 248 typedef struct {
 249   uint16_t hli_ss; /**< status, only low 2 bits 0: no buttons, 1: different 2: equal 3: eual except for button cmds */
 250   uint32_t hli_s_ptm;              /**< start ptm of hli */
 251   uint32_t hli_e_ptm;              /**< end ptm of hli */
 252   uint32_t btn_se_e_ptm;           /**< end ptm of button select */
 253 #ifdef WORDS_BIGENDIAN
 254   unsigned char zero1 : 2;          /**< reserved */
 255   unsigned char btngr_ns : 2;       /**< number of button groups 1, 2 or 3 with 36/18/12 buttons */
 256   unsigned char zero2 : 1;          /**< reserved */
 257   unsigned char btngr1_dsp_ty : 3;  /**< display type of subpic stream for button group 1 */
 258   unsigned char zero3 : 1;          /**< reserved */
 259   unsigned char btngr2_dsp_ty : 3;  /**< display type of subpic stream for button group 2 */
 260   unsigned char zero4 : 1;          /**< reserved */
 261   unsigned char btngr3_dsp_ty : 3;  /**< display type of subpic stream for button group 3 */
 262 #else
 263   unsigned char btngr1_dsp_ty : 3;
 264   unsigned char zero2 : 1;
 265   unsigned char btngr_ns : 2;
 266   unsigned char zero1 : 2;
 267   unsigned char btngr3_dsp_ty : 3;
 268   unsigned char zero4 : 1;
 269   unsigned char btngr2_dsp_ty : 3;
 270   unsigned char zero3 : 1;
 271 #endif
 272   uint8_t btn_ofn;     /**< button offset number range 0-255 */
 273   uint8_t btn_ns;      /**< number of valid buttons  <= 36/18/12 (low 6 bits) */
 274   uint8_t nsl_btn_ns;  /**< number of buttons selectable by U_BTNNi (low 6 bits)   nsl_btn_ns <= btn_ns */
 275   uint8_t zero5;       /**< reserved */
 276   uint8_t fosl_btnn;   /**< forcedly selected button  (low 6 bits) */
 277   uint8_t foac_btnn;   /**< forcedly activated button (low 6 bits) */
 278 } ATTRIBUTE_PACKED hl_gi_t;
 279
 280
 281 /**
 282  * Button Color Information Table
 283  * Each entry beeing a 32bit word that contains the color indexs and alpha
 284  * values to use.  They are all represented by 4 bit number and stored
 285  * like this [Ci3, Ci2, Ci1, Ci0, A3, A2, A1, A0].   The actual palette
 286  * that the indexes reference is in the PGC.
 287  * @TODO split the uint32_t into a struct
 288  */
 289 typedef struct {
 290   uint32_t btn_coli[3][2];  /**< [button color number-1][select:0/action:1] */
 291 } ATTRIBUTE_PACKED btn_colit_t;
 292
 293 /**
 294  * Button Information
 295  *
 296  * NOTE: I've had to change the structure from the disk layout to get
 297  * the packing to work with Sun's Forte C compiler.
 298  * The 4 and 7 bytes are 'rotated' was: ABC DEF GHIJ  is: ABCG DEFH IJ
 299  */
 300 typedef struct {
 301 #ifdef WORDS_BIGENDIAN
 302   uint32        btn_coln         : 2;  /**< button color number */
 303   uint32        x_start          : 10; /**< x start offset within the overlay */
 304   uint32        zero1            : 2;  /**< reserved */
 305   uint32        x_end            : 10; /**< x end offset within the overlay */
 306
 307   uint32        zero3            : 2;  /**< reserved */
 308   uint32        up               : 6;  /**< button index when pressing up */
 309
 310   uint32        auto_action_mode : 2;  /**< 0: no, 1: activated if selected */
 311   uint32        y_start          : 10; /**< y start offset within the overlay */
 312   uint32        zero2            : 2;  /**< reserved */
 313   uint32        y_end            : 10; /**< y end offset within the overlay */
 314
 315   uint32        zero4            : 2;  /**< reserved */
 316   uint32        down             : 6;  /**< button index when pressing down */
 317   unsigned char zero5            : 2;  /**< reserved */
 318   unsigned char left             : 6;  /**< button index when pressing left */
 319   unsigned char zero6            : 2;  /**< reserved */
 320   unsigned char right            : 6;  /**< button index when pressing right */
 321 #else
 322   uint32        x_end            : 10;
 323   uint32        zero1            : 2;
 324   uint32        x_start          : 10;
 325   uint32        btn_coln         : 2;
 326
 327   uint32        up               : 6;
 328   uint32        zero3            : 2;
 329
 330   uint32        y_end            : 10;
 331   uint32        zero2            : 2;
 332   uint32        y_start          : 10;
 333   uint32        auto_action_mode : 2;
 334
 335   uint32        down             : 6;
 336   uint32        zero4            : 2;
 337   unsigned char left             : 6;
 338   unsigned char zero5            : 2;
 339   unsigned char right            : 6;
 340   unsigned char zero6            : 2;
 341 #endif
 342   vm_cmd_t cmd;
 343 } ATTRIBUTE_PACKED btni_t;
 344
 345 /**
 346  * Highlight Information
 347  */
 348 typedef struct {
 349   hl_gi_t     hl_gi;
 350   btn_colit_t btn_colit;
 351   btni_t      btnit[36];
 352 } ATTRIBUTE_PACKED hli_t;
 353
 354 /**
 355  * PCI packet
 356  */
 357 typedef struct {
 358   pci_gi_t    pci_gi;
 359   nsml_agli_t nsml_agli;
 360   hli_t       hli;
 361   uint8_t     zero1[189];
 362 } ATTRIBUTE_PACKED pci_t;
 363
 364
 365 #if PRAGMA_PACK
 366 #pragma pack()
 367 #endif
 368 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 369
 370
 371 /**
 372  * What's between a directory and a filename?
 373  */
 374 #if defined( WIN32 )
 375     #define DIRECTORY_SEPARATOR '\\'
 376 #else
 377     #define DIRECTORY_SEPARATOR '/'
 378 #endif
 379
 380 using namespace LIBMATROSKA_NAMESPACE;
 381 using namespace std;
 382
 383 /*****************************************************************************
 384  * Module descriptor
 385  *****************************************************************************/
 386 static int  Open ( vlc_object_t * );
 387 static void Close( vlc_object_t * );
 388
 389 vlc_module_begin();
 390     set_shortname( "Matroska" );
 391     set_description( _("Matroska stream demuxer" ) );
 392     set_capability( "demux2", 50 );
 393     set_callbacks( Open, Close );
 394     set_category( CAT_INPUT );
 395     set_subcategory( SUBCAT_INPUT_DEMUX );
 396
 397     add_bool( "mkv-use-ordered-chapters", 1, NULL,
 398             N_("Ordered chapters"),
 399             N_("Play ordered chapters as specified in the segment."), VLC_TRUE );
 400
 401     add_bool( "mkv-use-chapter-codec", 1, NULL,
 402             N_("Chapter codecs"),
 403             N_("Use chapter codecs found in the segment."), VLC_TRUE );
 404
 405     add_bool( "mkv-preload-local-dir", 1, NULL,
 406             N_("Preload Directory"),
 407             N_("Preload matroska files from the same family in the same directory (not good for broken files)."), VLC_TRUE );
 408
 409     add_bool( "mkv-seek-percent", 0, NULL,
 410             N_("Seek based on percent not time"),
 411             N_("Seek based on percent not time."), VLC_TRUE );
 412
 413     add_bool( "mkv-use-dummy", 0, NULL,
 414             N_("Dummy Elements"),
 415             N_("Read and discard unknown EBML elements (not good for broken files)."), VLC_TRUE );
 416
 417     add_shortcut( "mka" );
 418     add_shortcut( "mkv" );
 419 vlc_module_end();
 420
 421 /*****************************************************************************
 422  * Local prototypes
 423  *****************************************************************************/
 424 #ifdef HAVE_ZLIB_H
 425 block_t *block_zlib_decompress( vlc_object_t *p_this, block_t *p_in_block ) {
 426     int result, dstsize, n;
 427     unsigned char *dst;
 428     block_t *p_block;
 429     z_stream d_stream;
 430
 431     d_stream.zalloc = (alloc_func)0;
 432     d_stream.zfree = (free_func)0;
 433     d_stream.opaque = (voidpf)0;
 434     result = inflateInit(&d_stream);
 435     if( result != Z_OK )
 436     {
 437         msg_Dbg( p_this, "inflateInit() failed. Result: %d", result );
 438         return NULL;
 439     }
 440
 441     d_stream.next_in = (Bytef *)p_in_block->p_buffer;
 442     d_stream.avail_in = p_in_block->i_buffer;
 443     n = 0;
 444     p_block = block_New( p_this, 0 );
 445     dst = NULL;
 446     do
 447     {
 448         n++;
 449         p_block = block_Realloc( p_block, 0, n * 1000 );
 450         dst = (unsigned char *)p_block->p_buffer;
 451         d_stream.next_out = (Bytef *)&dst[(n - 1) * 1000];
 452         d_stream.avail_out = 1000;
 453         result = inflate(&d_stream, Z_NO_FLUSH);
 454         if( ( result != Z_OK ) && ( result != Z_STREAM_END ) )
 455         {
 456             msg_Dbg( p_this, "Zlib decompression failed. Result: %d", result );
 457             return NULL;
 458         }
 459     }
 460     while( ( d_stream.avail_out == 0 ) && ( d_stream.avail_in != 0 ) &&
 461            ( result != Z_STREAM_END ) );
 462
 463     dstsize = d_stream.total_out;
 464     inflateEnd( &d_stream );
 465
 466     p_block = block_Realloc( p_block, 0, dstsize );
 467     p_block->i_buffer = dstsize;
 468     block_Release( p_in_block );
 469
 470     return p_block;
 471 }
 472 #endif
 473
 474 /**
 475  * Helper function to print the mkv parse tree
 476  */
 477 static void MkvTree( demux_t & demuxer, int i_level, char *psz_format, ... )
 478 {
 479     va_list args;
 480     if( i_level > 9 )
 481     {
 482         msg_Err( &demuxer, "too deep tree" );
 483         return;
 484     }
 485     va_start( args, psz_format );
 486     static char *psz_foo = "|   |   |   |   |   |   |   |   |   |";
 487     char *psz_foo2 = (char*)malloc( ( i_level * 4 + 3 + strlen( psz_format ) ) * sizeof(char) );
 488     strncpy( psz_foo2, psz_foo, 4 * i_level );
 489     psz_foo2[ 4 * i_level ] = '+';
 490     psz_foo2[ 4 * i_level + 1 ] = ' ';
 491     strcpy( &psz_foo2[ 4 * i_level + 2 ], psz_format );
 492     __msg_GenericVa( VLC_OBJECT(&demuxer), VLC_MSG_DBG, "mkv", psz_foo2, args );
 493     free( psz_foo2 );
 494     va_end( args );
 495 }
 496
 497 /*****************************************************************************
 498  * Stream managment
 499  *****************************************************************************/
 500 class vlc_stream_io_callback: public IOCallback
 501 {
 502   private:
 503     stream_t       *s;
 504     vlc_bool_t     mb_eof;
 505     vlc_bool_t     b_owner;
 506
 507   public:
 508     vlc_stream_io_callback( stream_t *, vlc_bool_t );
 509
 510     virtual ~vlc_stream_io_callback()
 511     {
 512         if( b_owner )
 513             stream_Delete( s );
 514     }
 515
 516     virtual uint32   read            ( void *p_buffer, size_t i_size);
 517     virtual void     setFilePointer  ( int64_t i_offset, seek_mode mode = seek_beginning );
 518     virtual size_t   write           ( const void *p_buffer, size_t i_size);
 519     virtual uint64   getFilePointer  ( void );
 520     virtual void     close           ( void );
 521 };
 522
 523 /*****************************************************************************
 524  * Ebml Stream parser
 525  *****************************************************************************/
 526 class EbmlParser
 527 {
 528   public:
 529     EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux );
 530     virtual ~EbmlParser( void );
 531
 532     void Up( void );
 533     void Down( void );
 534     void Reset( demux_t *p_demux );
 535     EbmlElement *Get( void );
 536     void        Keep( void );
 537     EbmlElement *UnGet( uint64 i_block_pos, uint64 i_cluster_pos );
 538
 539     int GetLevel( void );
 540
 541   private:
 542     EbmlStream  *m_es;
 543     int         mi_level;
 544     EbmlElement *m_el[10];
 545     int64_t      mi_remain_size[10];
 546
 547     EbmlElement *m_got;
 548
 549     int         mi_user_level;
 550     vlc_bool_t  mb_keep;
 551     vlc_bool_t  mb_dummy;
 552 };
 553
 554
 555 /*****************************************************************************
 556  * Some functions to manipulate memory
 557  *****************************************************************************/
 558 #define GetFOURCC( p )  __GetFOURCC( (uint8_t*)p )
 559 static vlc_fourcc_t __GetFOURCC( uint8_t *p )
 560 {
 561     return VLC_FOURCC( p[0], p[1], p[2], p[3] );
 562 }
 563
 564 /*****************************************************************************
 565  * definitions of structures and functions used by this plugins
 566  *****************************************************************************/
 567 typedef struct
 568 {
 569     vlc_bool_t   b_default;
 570     vlc_bool_t   b_enabled;
 571     unsigned int i_number;
 572
 573     int          i_extra_data;
 574     uint8_t      *p_extra_data;
 575
 576     char         *psz_codec;
 577
 578     uint64_t     i_default_duration;
 579     float        f_timecodescale;
 580     mtime_t      i_last_dts;
 581
 582     /* video */
 583     es_format_t fmt;
 584     float       f_fps;
 585     es_out_id_t *p_es;
 586
 587     vlc_bool_t      b_inited;
 588     /* data to be send first */
 589     int             i_data_init;
 590     uint8_t         *p_data_init;
 591
 592     /* hack : it's for seek */
 593     vlc_bool_t      b_search_keyframe;
 594     vlc_bool_t      b_silent;
 595
 596     /* informative */
 597     char         *psz_codec_name;
 598     char         *psz_codec_settings;
 599     char         *psz_codec_info_url;
 600     char         *psz_codec_download_url;
 601
 602     /* encryption/compression */
 603     int           i_compression_type;
 604
 605 } mkv_track_t;
 606
 607 typedef struct
 608 {
 609     int     i_track;
 610     int     i_block_number;
 611
 612     int64_t i_position;
 613     int64_t i_time;
 614
 615     vlc_bool_t b_key;
 616 } mkv_index_t;
 617
 618 class demux_sys_t;
 619
 620 const binary MATROSKA_DVD_LEVEL_SS   = 0x30;
 621 const binary MATROSKA_DVD_LEVEL_LU   = 0x2A;
 622 const binary MATROSKA_DVD_LEVEL_TT   = 0x28;
 623 const binary MATROSKA_DVD_LEVEL_PGC  = 0x20;
 624 const binary MATROSKA_DVD_LEVEL_PG   = 0x18;
 625 const binary MATROSKA_DVD_LEVEL_PTT  = 0x10;
 626 const binary MATROSKA_DVD_LEVEL_CN   = 0x08;
 627
 628 class chapter_codec_cmds_c
 629 {
 630 public:
 631     chapter_codec_cmds_c( demux_sys_t & demuxer, int codec_id = -1)
 632     :p_private_data(NULL)
 633     ,i_codec_id( codec_id )
 634     ,sys( demuxer )
 635     {}
 636
 637     virtual ~chapter_codec_cmds_c()
 638     {
 639         delete p_private_data;
 640         std::vector<KaxChapterProcessData*>::iterator indexe = enter_cmds.begin();
 641         while ( indexe != enter_cmds.end() )
 642         {
 643             delete (*indexe);
 644             indexe++;
 645         }
 646         std::vector<KaxChapterProcessData*>::iterator indexl = leave_cmds.begin();
 647         while ( indexl != leave_cmds.end() )
 648         {
 649             delete (*indexl);
 650             indexl++;
 651         }
 652         std::vector<KaxChapterProcessData*>::iterator indexd = during_cmds.begin();
 653         while ( indexd != during_cmds.end() )
 654         {
 655             delete (*indexd);
 656             indexd++;
 657         }
 658     }
 659
 660     void SetPrivate( const KaxChapterProcessPrivate & private_data )
 661     {
 662         p_private_data = new KaxChapterProcessPrivate( private_data );
 663     }
 664
 665     void AddCommand( const KaxChapterProcessCommand & command );
 666
 667     /// \return wether the codec has seeked in the files or not
 668     virtual bool Enter() { return false; }
 669     virtual bool Leave() { return false; }
 670     virtual std::string GetCodecName( bool f_for_title = false ) const { return ""; }
 671     virtual int16 GetTitleNumber() { return -1; }
 672
 673     KaxChapterProcessPrivate *p_private_data;
 674
 675 protected:
 676     std::vector<KaxChapterProcessData*> enter_cmds;
 677     std::vector<KaxChapterProcessData*> during_cmds;
 678     std::vector<KaxChapterProcessData*> leave_cmds;
 679
 680     int i_codec_id;
 681     demux_sys_t & sys;
 682 };
 683
 684 class dvd_command_interpretor_c
 685 {
 686 public:
 687     dvd_command_interpretor_c( demux_sys_t & demuxer )
 688     :sys( demuxer )
 689     {
 690         memset( p_PRMs, 0, sizeof(p_PRMs) );
 691         p_PRMs[ 0x80 + 1 ] = 15;
 692         p_PRMs[ 0x80 + 2 ] = 62;
 693         p_PRMs[ 0x80 + 3 ] = 1;
 694         p_PRMs[ 0x80 + 4 ] = 1;
 695         p_PRMs[ 0x80 + 7 ] = 1;
 696         p_PRMs[ 0x80 + 8 ] = 1;
 697         p_PRMs[ 0x80 + 16 ] = 0xFFFFu;
 698         p_PRMs[ 0x80 + 18 ] = 0xFFFFu;
 699     }
 700
 701     bool Interpret( const binary * p_command, size_t i_size = 8 );
 702
 703     uint16 GetPRM( size_t index ) const
 704     {
 705         if ( index < 256 )
 706             return p_PRMs[ index ];
 707         else return 0;
 708     }
 709
 710     uint16 GetGPRM( size_t index ) const
 711     {
 712         if ( index >= 0 && index < 16 )
 713             return p_PRMs[ index ];
 714         else return 0;
 715     }
 716
 717     uint16 GetSPRM( size_t index ) const
 718     {
 719         // 21,22,23 reserved for future use
 720         if ( index >= 0x80 && index < 0x95 )
 721             return p_PRMs[ index ];
 722         else return 0;
 723     }
 724
 725     bool SetPRM( size_t index, uint16 value )
 726     {
 727         if ( index >= 0 && index < 16 )
 728         {
 729             p_PRMs[ index ] = value;
 730             return true;
 731         }
 732         return false;
 733     }
 734
 735     bool SetGPRM( size_t index, uint16 value )
 736     {
 737         if ( index >= 0 && index < 16 )
 738         {
 739             p_PRMs[ index ] = value;
 740             return true;
 741         }
 742         return false;
 743     }
 744
 745     bool SetSPRM( size_t index, uint16 value )
 746     {
 747         if ( index > 0x80 && index <= 0x8D && index != 0x8C )
 748         {
 749             p_PRMs[ index ] = value;
 750             return true;
 751         }
 752         return false;
 753     }
 754
 755 protected:
 756     std::string GetRegTypeName( bool b_value, uint16 value ) const
 757     {
 758         std::string result;
 759         char s_value[6], s_reg_value[6];
 760         sprintf( s_value, "%.5d", value );
 761
 762         if ( b_value )
 763         {
 764             result = "value (";
 765             result += s_value;
 766             result += ")";
 767         }
 768         else if ( value < 0x80 )
 769         {
 770             sprintf( s_reg_value, "%.5d", GetPRM( value ) );
 771             result = "GPreg[";
 772             result += s_value;
 773             result += "] (";
 774             result += s_reg_value;
 775             result += ")";
 776         }
 777         else
 778         {
 779             sprintf( s_reg_value, "%.5d", GetPRM( value ) );
 780             result = "SPreg[";
 781             result += s_value;
 782             result += "] (";
 783             result += s_reg_value;
 784             result += ")";
 785         }
 786         return result;
 787     }
 788
 789     uint16       p_PRMs[256];
 790     demux_sys_t  & sys;
 791
 792     // DVD command IDs
 793
 794     // Tests
 795     // wether it's a comparison on the value or register
 796     static const uint16 CMD_DVD_TEST_VALUE          = 0x80;
 797     static const uint16 CMD_DVD_IF_GPREG_AND        = (1 << 4);
 798     static const uint16 CMD_DVD_IF_GPREG_EQUAL      = (2 << 4);
 799     static const uint16 CMD_DVD_IF_GPREG_NOT_EQUAL  = (3 << 4);
 800     static const uint16 CMD_DVD_IF_GPREG_SUP_EQUAL  = (4 << 4);
 801     static const uint16 CMD_DVD_IF_GPREG_SUP        = (5 << 4);
 802     static const uint16 CMD_DVD_IF_GPREG_INF_EQUAL  = (6 << 4);
 803     static const uint16 CMD_DVD_IF_GPREG_INF        = (7 << 4);
 804
 805     static const uint16 CMD_DVD_NOP                    = 0x0000;
 806     static const uint16 CMD_DVD_GOTO_LINE              = 0x0001;
 807     static const uint16 CMD_DVD_BREAK                  = 0x0002;
 808     // Links
 809     static const uint16 CMD_DVD_NOP2                   = 0x2001;
 810     static const uint16 CMD_DVD_LINKPGCN               = 0x2004;
 811     static const uint16 CMD_DVD_LINKPGN                = 0x2006;
 812     static const uint16 CMD_DVD_LINKCN                 = 0x2007;
 813     static const uint16 CMD_DVD_JUMP_TT                = 0x3002;
 814     static const uint16 CMD_DVD_JUMPVTS_TT             = 0x3003;
 815     static const uint16 CMD_DVD_JUMPVTS_PTT            = 0x3005;
 816     static const uint16 CMD_DVD_JUMP_SS                = 0x3006;
 817     static const uint16 CMD_DVD_CALLSS_VTSM1           = 0x3008;
 818     //
 819     static const uint16 CMD_DVD_SET_HL_BTNN2           = 0x4600;
 820     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN1  = 0x4604;
 821     static const uint16 CMD_DVD_SET_STREAM             = 0x5100;
 822     static const uint16 CMD_DVD_SET_GPRMMD             = 0x5300;
 823     static const uint16 CMD_DVD_SET_HL_BTNN1           = 0x5600;
 824     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN2  = 0x5604;
 825     static const uint16 CMD_DVD_SET_HL_BTNN_LINKCN     = 0x5607;
 826     // Operations
 827     static const uint16 CMD_DVD_MOV_SPREG_PREG         = 0x6100;
 828     static const uint16 CMD_DVD_GPREG_MOV_VALUE        = 0x7100;
 829     static const uint16 CMD_DVD_SUB_GPREG              = 0x7400;
 830     static const uint16 CMD_DVD_MULT_GPREG             = 0x7500;
 831     static const uint16 CMD_DVD_GPREG_DIV_VALUE        = 0x7600;
 832     static const uint16 CMD_DVD_GPREG_AND_VALUE        = 0x7900;
 833
 834     // callbacks when browsing inside CodecPrivate
 835     static bool MatchIsDomain     ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 836     static bool MatchIsVMG        ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 837     static bool MatchVTSNumber    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 838     static bool MatchVTSMNumber   ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 839     static bool MatchTitleNumber  ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 840     static bool MatchPgcType      ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 841     static bool MatchPgcNumber    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 842     static bool MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 843     static bool MatchCellNumber   ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 844 };
 845
 846 class dvd_chapter_codec_c : public chapter_codec_cmds_c
 847 {
 848 public:
 849     dvd_chapter_codec_c( demux_sys_t & sys )
 850     :chapter_codec_cmds_c( sys, 1 )
 851     {}
 852
 853     bool Enter();
 854     bool Leave();
 855     std::string GetCodecName( bool f_for_title = false ) const;
 856     int16 GetTitleNumber();
 857 };
 858
 859 class matroska_script_interpretor_c
 860 {
 861 public:
 862     matroska_script_interpretor_c( demux_sys_t & demuxer )
 863     :sys( demuxer )
 864     {}
 865
 866     bool Interpret( const binary * p_command, size_t i_size );
 867
 868     // DVD command IDs
 869     static const std::string CMD_MS_GOTO_AND_PLAY;
 870
 871 protected:
 872     demux_sys_t  & sys;
 873 };
 874
 875 const std::string matroska_script_interpretor_c::CMD_MS_GOTO_AND_PLAY = "GotoAndPlay";
 876
 877
 878 class matroska_script_codec_c : public chapter_codec_cmds_c
 879 {
 880 public:
 881     matroska_script_codec_c( demux_sys_t & sys )
 882     :chapter_codec_cmds_c( sys, 0 )
 883     ,interpretor( sys )
 884     {}
 885
 886     bool Enter();
 887     bool Leave();
 888
 889 protected:
 890     matroska_script_interpretor_c interpretor;
 891 };
 892
 893 class chapter_translation_c
 894 {
 895 public:
 896     chapter_translation_c()
 897         :p_translated(NULL)
 898     {}
 899
 900     ~chapter_translation_c()
 901     {
 902         delete p_translated;
 903     }
 904
 905     KaxChapterTranslateID  *p_translated;
 906     unsigned int           codec_id;
 907     std::vector<uint64_t>  editions;
 908 };
 909
 910 class chapter_item_c
 911 {
 912 public:
 913     chapter_item_c()
 914     :i_start_time(0)
 915     ,i_end_time(-1)
 916     ,i_user_start_time(-1)
 917     ,i_user_end_time(-1)
 918     ,i_seekpoint_num(-1)
 919     ,b_display_seekpoint(true)
 920     ,b_user_display(false)
 921     ,psz_parent(NULL)
 922     ,b_is_leaving(false)
 923     {}
 924
 925     virtual ~chapter_item_c()
 926     {
 927         std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
 928         while ( index != codecs.end() )
 929         {
 930             delete (*index);
 931             index++;
 932         }
 933         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
 934         while ( index_ != sub_chapters.end() )
 935         {
 936             delete (*index_);
 937             index_++;
 938         }
 939     }
 940
 941     int64_t RefreshChapters( bool b_ordered, int64_t i_prev_user_time );
 942     int PublishChapters( input_title_t & title, int & i_user_chapters, int i_level = 0 );
 943     virtual chapter_item_c * FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current, bool & b_found );
 944     void Append( const chapter_item_c & edition );
 945     chapter_item_c * FindChapter( int64_t i_find_uid );
 946     virtual chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
 947                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
 948                                     const void *p_cookie,
 949                                     size_t i_cookie_size );
 950     std::string                 GetCodecName( bool f_for_title = false ) const;
 951     bool                        ParentOf( const chapter_item_c & item ) const;
 952     int16                       GetTitleNumber( ) const;
 953
 954     int64_t                     i_start_time, i_end_time;
 955     int64_t                     i_user_start_time, i_user_end_time; /* the time in the stream when an edition is ordered */
 956     std::vector<chapter_item_c*> sub_chapters;
 957     int                         i_seekpoint_num;
 958     int64_t                     i_uid;
 959     bool                        b_display_seekpoint;
 960     bool                        b_user_display;
 961     std::string                 psz_name;
 962     chapter_item_c              *psz_parent;
 963     bool                        b_is_leaving;
 964
 965     std::vector<chapter_codec_cmds_c*> codecs;
 966
 967     static bool CompareTimecode( const chapter_item_c * itemA, const chapter_item_c * itemB )
 968     {
 969         return ( itemA->i_user_start_time < itemB->i_user_start_time || (itemA->i_user_start_time == itemB->i_user_start_time && itemA->i_user_end_time < itemB->i_user_end_time) );
 970     }
 971
 972     bool Enter( bool b_do_subchapters );
 973     bool Leave( bool b_do_subchapters );
 974     bool EnterAndLeave( chapter_item_c *p_item, bool b_enter = true );
 975 };
 976
 977 class chapter_edition_c : public chapter_item_c
 978 {
 979 public:
 980     chapter_edition_c()
 981     :b_ordered(false)
 982     {}
 983
 984     void RefreshChapters( );
 985     mtime_t Duration() const;
 986     std::string GetMainName() const;
 987     chapter_item_c * FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current );
 988
 989     bool                        b_ordered;
 990 };
 991
 992 class matroska_segment_c
 993 {
 994 public:
 995     matroska_segment_c( demux_sys_t & demuxer, EbmlStream & estream )
 996         :segment(NULL)
 997         ,es(estream)
 998         ,i_timescale(MKVD_TIMECODESCALE)
 999         ,i_duration(-1)
1000         ,i_start_time(0)
1001         ,i_cues_position(-1)
1002         ,i_chapters_position(-1)
1003         ,i_tags_position(-1)
1004         ,cluster(NULL)
1005         ,i_block_pos(0)
1006         ,i_cluster_pos(0)
1007         ,i_start_pos(0)
1008         ,p_segment_uid(NULL)
1009         ,p_prev_segment_uid(NULL)
1010         ,p_next_segment_uid(NULL)
1011         ,b_cues(VLC_FALSE)
1012         ,i_index(0)
1013         ,i_index_max(1024)
1014         ,psz_muxing_application(NULL)
1015         ,psz_writing_application(NULL)
1016         ,psz_segment_filename(NULL)
1017         ,psz_title(NULL)
1018         ,psz_date_utc(NULL)
1019         ,i_default_edition(0)
1020         ,sys(demuxer)
1021         ,ep(NULL)
1022         ,b_preloaded(false)
1023     {
1024         p_indexes = (mkv_index_t*)malloc( sizeof( mkv_index_t ) * i_index_max );
1025     }
1026
1027     virtual ~matroska_segment_c()
1028     {
1029         for( size_t i_track = 0; i_track < tracks.size(); i_track++ )
1030         {
1031             if( tracks[i_track]->fmt.psz_description )
1032             {
1033                 free( tracks[i_track]->fmt.psz_description );
1034             }
1035             if( tracks[i_track]->psz_codec )
1036             {
1037                 free( tracks[i_track]->psz_codec );
1038             }
1039             if( tracks[i_track]->fmt.psz_language )
1040             {
1041                 free( tracks[i_track]->fmt.psz_language );
1042             }
1043             delete tracks[i_track];
1044         }
1045
1046         if( psz_writing_application )
1047         {
1048             free( psz_writing_application );
1049         }
1050         if( psz_muxing_application )
1051         {
1052             free( psz_muxing_application );
1053         }
1054         if( psz_segment_filename )
1055         {
1056             free( psz_segment_filename );
1057         }
1058         if( psz_title )
1059         {
1060             free( psz_title );
1061         }
1062         if( psz_date_utc )
1063         {
1064             free( psz_date_utc );
1065         }
1066         if ( p_indexes )
1067             free( p_indexes );
1068
1069         delete ep;
1070         delete segment;
1071         delete p_segment_uid;
1072         delete p_prev_segment_uid;
1073         delete p_next_segment_uid;
1074
1075         std::vector<chapter_edition_c*>::iterator index = stored_editions.begin();
1076         while ( index != stored_editions.end() )
1077         {
1078             delete (*index);
1079             index++;
1080         }
1081         std::vector<chapter_translation_c*>::iterator indext = translations.begin();
1082         while ( indext != translations.end() )
1083         {
1084             delete (*indext);
1085             indext++;
1086         }
1087         std::vector<KaxSegmentFamily*>::iterator indexf = families.begin();
1088         while ( indexf != families.end() )
1089         {
1090             delete (*indexf);
1091             indexf++;
1092         }
1093     }
1094
1095     KaxSegment              *segment;
1096     EbmlStream              & es;
1097
1098     /* time scale */
1099     uint64_t                i_timescale;
1100
1101     /* duration of the segment */
1102     mtime_t                 i_duration;
1103     mtime_t                 i_start_time;
1104
1105     /* all tracks */
1106     std::vector<mkv_track_t*> tracks;
1107
1108     /* from seekhead */
1109     int64_t                 i_cues_position;
1110     int64_t                 i_chapters_position;
1111     int64_t                 i_tags_position;
1112
1113     KaxCluster              *cluster;
1114     uint64                  i_block_pos;
1115     uint64                  i_cluster_pos;
1116     int64_t                 i_start_pos;
1117     KaxSegmentUID           *p_segment_uid;
1118     KaxPrevUID              *p_prev_segment_uid;
1119     KaxNextUID              *p_next_segment_uid;
1120
1121     vlc_bool_t              b_cues;
1122     int                     i_index;
1123     int                     i_index_max;
1124     mkv_index_t             *p_indexes;
1125
1126     /* info */
1127     char                    *psz_muxing_application;
1128     char                    *psz_writing_application;
1129     char                    *psz_segment_filename;
1130     char                    *psz_title;
1131     char                    *psz_date_utc;
1132
1133     /* !!!!! GCC 3.3 bug on Darwin !!!!! */
1134     /* when you remove this variable the compiler issues an atomicity error */
1135     /* this variable only works when using std::vector<chapter_edition_c> */
1136     std::vector<chapter_edition_c*> stored_editions;
1137     int                             i_default_edition;
1138
1139     std::vector<chapter_translation_c*> translations;
1140     std::vector<KaxSegmentFamily*>  families;
1141
1142     demux_sys_t                    & sys;
1143     EbmlParser                     *ep;
1144     bool                           b_preloaded;
1145
1146     bool Preload( );
1147     bool PreloadFamily( const matroska_segment_c & segment );
1148     void ParseInfo( KaxInfo *info );
1149     void ParseChapters( KaxChapters *chapters );
1150     void ParseSeekHead( KaxSeekHead *seekhead );
1151     void ParseTracks( KaxTracks *tracks );
1152     void ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters );
1153     void ParseTrackEntry( KaxTrackEntry *m );
1154     void ParseCluster( );
1155     void IndexAppendCluster( KaxCluster *cluster );
1156     void LoadCues( );
1157     void LoadTags( );
1158     void InformationCreate( );
1159     void Seek( mtime_t i_date, mtime_t i_time_offset );
1160 #if LIBMATROSKA_VERSION >= 0x000800
1161     int BlockGet( KaxBlock * &, KaxSimpleBlock * &, int64_t *, int64_t *, int64_t *);
1162 #else
1163     int BlockGet( KaxBlock * &, int64_t *, int64_t *, int64_t *);
1164 #endif
1165     bool Select( mtime_t i_start_time );
1166     void UnSelect( );
1167
1168     static bool CompareSegmentUIDs( const matroska_segment_c * item_a, const matroska_segment_c * item_b );
1169 };
1170
1171 // class holding hard-linked segment together in the playback order
1172 class virtual_segment_c
1173 {
1174 public:
1175     virtual_segment_c( matroska_segment_c *p_segment )
1176         :p_editions(NULL)
1177         ,i_sys_title(0)
1178         ,i_current_segment(0)
1179         ,i_current_edition(-1)
1180         ,psz_current_chapter(NULL)
1181     {
1182         linked_segments.push_back( p_segment );
1183
1184         AppendUID( p_segment->p_segment_uid );
1185         AppendUID( p_segment->p_prev_segment_uid );
1186         AppendUID( p_segment->p_next_segment_uid );
1187     }
1188
1189     void Sort();
1190     size_t AddSegment( matroska_segment_c *p_segment );
1191     void PreloadLinked( );
1192     mtime_t Duration( ) const;
1193     void LoadCues( );
1194     void Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter );
1195
1196     inline chapter_edition_c *Edition()
1197     {
1198         if ( i_current_edition >= 0 && size_t(i_current_edition) < p_editions->size() )
1199             return (*p_editions)[i_current_edition];
1200         return NULL;
1201     }
1202
1203     matroska_segment_c * Segment() const
1204     {
1205         if ( linked_segments.size() == 0 || i_current_segment >= linked_segments.size() )
1206             return NULL;
1207         return linked_segments[i_current_segment];
1208     }
1209
1210     inline chapter_item_c *CurrentChapter() {
1211         return psz_current_chapter;
1212     }
1213
1214     bool SelectNext()
1215     {
1216         if ( i_current_segment < linked_segments.size()-1 )
1217         {
1218             i_current_segment++;
1219             return true;
1220         }
1221         return false;
1222     }
1223
1224     bool FindUID( KaxSegmentUID & uid ) const
1225     {
1226         for ( size_t i=0; i<linked_uids.size(); i++ )
1227         {
1228             if ( linked_uids[i] == uid )
1229                 return true;
1230         }
1231         return false;
1232     }
1233
1234     bool UpdateCurrentToChapter( demux_t & demux );
1235     void PrepareChapters( );
1236
1237     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
1238                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
1239                                         const void *p_cookie,
1240                                         size_t i_cookie_size );
1241     chapter_item_c *FindChapter( int64_t i_find_uid );
1242
1243     std::vector<chapter_edition_c*>  *p_editions;
1244     int                              i_sys_title;
1245
1246 protected:
1247     std::vector<matroska_segment_c*> linked_segments;
1248     std::vector<KaxSegmentUID>       linked_uids;
1249     size_t                           i_current_segment;
1250
1251     int                              i_current_edition;
1252     chapter_item_c                   *psz_current_chapter;
1253
1254     void                             AppendUID( const EbmlBinary * UID );
1255 };
1256
1257 class matroska_stream_c
1258 {
1259 public:
1260     matroska_stream_c( demux_sys_t & demuxer )
1261         :p_in(NULL)
1262         ,p_es(NULL)
1263         ,sys(demuxer)
1264     {}
1265
1266     virtual ~matroska_stream_c()
1267     {
1268         delete p_in;
1269         delete p_es;
1270     }
1271
1272     IOCallback         *p_in;
1273     EbmlStream         *p_es;
1274
1275     std::vector<matroska_segment_c*> segments;
1276
1277     demux_sys_t                      & sys;
1278 };
1279
1280 typedef struct
1281 {
1282     VLC_COMMON_MEMBERS
1283
1284     demux_t        *p_demux;
1285     vlc_mutex_t     lock;
1286
1287     vlc_bool_t      b_moved;
1288     vlc_bool_t      b_clicked;
1289     vlc_bool_t      b_key;
1290
1291 } event_thread_t;
1292
1293 class demux_sys_t
1294 {
1295 public:
1296     demux_sys_t( demux_t & demux )
1297         :demuxer(demux)
1298         ,i_pts(0)
1299         ,i_start_pts(0)
1300         ,i_chapter_time(0)
1301         ,meta(NULL)
1302         ,i_current_title(0)
1303         ,p_current_segment(NULL)
1304         ,dvd_interpretor( *this )
1305         ,f_duration(-1.0)
1306         ,b_ui_hooked(false)
1307         ,p_input(NULL)
1308         ,b_pci_packet_set(false)
1309         ,p_ev(NULL)
1310     {
1311         vlc_mutex_init( &demuxer, &lock_demuxer );
1312     }
1313
1314     virtual ~demux_sys_t()
1315     {
1316         StopUiThread();
1317         size_t i;
1318         for ( i=0; i<streams.size(); i++ )
1319             delete streams[i];
1320         for ( i=0; i<opened_segments.size(); i++ )
1321             delete opened_segments[i];
1322         for ( i=0; i<used_segments.size(); i++ )
1323             delete used_segments[i];
1324         vlc_mutex_destroy( &lock_demuxer );
1325     }
1326
1327     /* current data */
1328     demux_t                 & demuxer;
1329
1330     mtime_t                 i_pts;
1331     mtime_t                 i_start_pts;
1332     mtime_t                 i_chapter_time;
1333
1334     vlc_meta_t              *meta;
1335
1336     std::vector<input_title_t*>      titles; // matroska editions
1337     size_t                           i_current_title;
1338
1339     std::vector<matroska_stream_c*>  streams;
1340     std::vector<matroska_segment_c*> opened_segments;
1341     std::vector<virtual_segment_c*>  used_segments;
1342     virtual_segment_c                *p_current_segment;
1343
1344     dvd_command_interpretor_c        dvd_interpretor;
1345
1346     /* duration of the stream */
1347     float                   f_duration;
1348
1349     matroska_segment_c *FindSegment( const EbmlBinary & uid ) const;
1350     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
1351                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
1352                                         const void *p_cookie,
1353                                         size_t i_cookie_size,
1354                                         virtual_segment_c * & p_segment_found );
1355     chapter_item_c *FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found );
1356
1357     void PreloadFamily( const matroska_segment_c & of_segment );
1358     void PreloadLinked( matroska_segment_c *p_segment );
1359     bool PreparePlayback( virtual_segment_c *p_new_segment );
1360     matroska_stream_c *AnalyseAllSegmentsFound( demux_t *p_demux, EbmlStream *p_estream, bool b_initial = false );
1361     void JumpTo( virtual_segment_c & p_segment, chapter_item_c * p_chapter );
1362
1363     void StartUiThread();
1364     void StopUiThread();
1365     bool b_ui_hooked;
1366     inline void SwapButtons();
1367
1368     /* for spu variables */
1369     input_thread_t *p_input;
1370     pci_t          pci_packet;
1371     bool           b_pci_packet_set;
1372     uint8_t        palette[4][4];
1373     vlc_mutex_t    lock_demuxer;
1374
1375     /* event */
1376     event_thread_t *p_ev;
1377     static int EventThread( vlc_object_t *p_this );
1378     static int EventMouse( vlc_object_t *p_this, char const *psz_var,
1379                        vlc_value_t oldval, vlc_value_t newval, void *p_data );
1380     static int EventKey( vlc_object_t *p_this, char const *psz_var,
1381                      vlc_value_t oldval, vlc_value_t newval, void *p_data );
1382
1383
1384
1385 protected:
1386     virtual_segment_c *VirtualFromSegments( matroska_segment_c *p_segment ) const;
1387     bool IsUsedSegment( matroska_segment_c &p_segment ) const;
1388 };
1389
1390 static int  Demux  ( demux_t * );
1391 static int  Control( demux_t *, int, va_list );
1392 static void Seek   ( demux_t *, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter );
1393
1394 #define MKV_IS_ID( el, C ) ( EbmlId( (*el) ) == C::ClassInfos.GlobalId )
1395
1396 static inline char * ToUTF8( const UTFstring &u )
1397 {
1398     return strdup( u.GetUTF8().c_str() );
1399 }
1400
1401 /*****************************************************************************
1402  * Open: initializes matroska demux structures
1403  *****************************************************************************/
1404 static int Open( vlc_object_t * p_this )
1405 {
1406     demux_t            *p_demux = (demux_t*)p_this;
1407     demux_sys_t        *p_sys;
1408     matroska_stream_c  *p_stream;
1409     matroska_segment_c *p_segment;
1410     uint8_t            *p_peek;
1411     std::string        s_path, s_filename;
1412     vlc_stream_io_callback *p_io_callback;
1413     EbmlStream         *p_io_stream;
1414
1415     /* peek the begining */
1416     if( stream_Peek( p_demux->s, &p_peek, 4 ) < 4 ) return VLC_EGENERIC;
1417
1418     /* is a valid file */
1419     if( p_peek[0] != 0x1a || p_peek[1] != 0x45 ||
1420         p_peek[2] != 0xdf || p_peek[3] != 0xa3 ) return VLC_EGENERIC;
1421
1422     /* Set the demux function */
1423     p_demux->pf_demux   = Demux;
1424     p_demux->pf_control = Control;
1425     p_demux->p_sys      = p_sys = new demux_sys_t( *p_demux );
1426
1427     p_io_callback = new vlc_stream_io_callback( p_demux->s, VLC_FALSE );
1428     p_io_stream = new EbmlStream( *p_io_callback );
1429
1430     if( p_io_stream == NULL )
1431     {
1432         msg_Err( p_demux, "failed to create EbmlStream" );
1433         delete p_io_callback;
1434         delete p_sys;
1435         return VLC_EGENERIC;
1436     }
1437
1438     p_stream = p_sys->AnalyseAllSegmentsFound( p_demux, p_io_stream, true );
1439     if( p_stream == NULL )
1440     {
1441         msg_Err( p_demux, "cannot find KaxSegment" );
1442         goto error;
1443     }
1444     p_sys->streams.push_back( p_stream );
1445
1446     p_stream->p_in = p_io_callback;
1447     p_stream->p_es = p_io_stream;
1448
1449     for (size_t i=0; i<p_stream->segments.size(); i++)
1450     {
1451         p_stream->segments[i]->Preload();
1452     }
1453
1454     p_segment = p_stream->segments[0];
1455     if( p_segment->cluster != NULL )
1456     {
1457         msg_Warn( p_demux, "cannot find any cluster, damaged file ?" );
1458
1459         // reset the stream reading to the first cluster of the segment used
1460         p_stream->p_in->setFilePointer( p_segment->cluster->GetElementPosition() );
1461     }
1462
1463     if (config_GetInt( p_demux, "mkv-preload-local-dir" ))
1464     {
1465         /* get the files from the same dir from the same family (based on p_demux->psz_path) */
1466         if (p_demux->psz_path[0] != '\0' && !strcmp(p_demux->psz_access, ""))
1467         {
1468             // assume it's a regular file
1469             // get the directory path
1470             s_path = p_demux->psz_path;
1471             if (s_path.at(s_path.length() - 1) == DIRECTORY_SEPARATOR)
1472             {
1473                 s_path = s_path.substr(0,s_path.length()-1);
1474             }
1475             else
1476             {
1477                 if (s_path.find_last_of(DIRECTORY_SEPARATOR) > 0)
1478                 {
1479                     s_path = s_path.substr(0,s_path.find_last_of(DIRECTORY_SEPARATOR));
1480                 }
1481             }
1482
1483             struct dirent *p_file_item;
1484             DIR *p_src_dir = opendir(s_path.c_str());
1485
1486             if (p_src_dir != NULL)
1487             {
1488                 while ((p_file_item = (dirent *) readdir(p_src_dir)))
1489                 {
1490                     if (strlen(p_file_item->d_name) > 4)
1491                     {
1492                         s_filename = s_path + DIRECTORY_SEPARATOR + p_file_item->d_name;
1493
1494 #ifdef WIN32
1495                         if (!strcasecmp(s_filename.c_str(), p_demux->psz_path))
1496 #else
1497                         if (!s_filename.compare(p_demux->psz_path))
1498 #endif
1499                             continue; // don't reuse the original opened file
1500
1501 #if defined(__GNUC__) && (__GNUC__ < 3)
1502                         if (!s_filename.compare("mkv", s_filename.length() - 3, 3) ||
1503                             !s_filename.compare("mka", s_filename.length() - 3, 3))
1504 #else
1505                         if (!s_filename.compare(s_filename.length() - 3, 3, "mkv") ||
1506                             !s_filename.compare(s_filename.length() - 3, 3, "mka"))
1507 #endif
1508                         {
1509                             // test wether this file belongs to our family
1510                             stream_t *p_file_stream = stream_UrlNew( p_demux, s_filename.c_str());
1511                             if ( p_file_stream != NULL )
1512                             {
1513                                 vlc_stream_io_callback *p_file_io = new vlc_stream_io_callback( p_file_stream, VLC_TRUE );
1514                                 EbmlStream *p_estream = new EbmlStream(*p_file_io);
1515
1516                                 p_stream = p_sys->AnalyseAllSegmentsFound( p_demux, p_estream );
1517
1518                                 if ( p_stream == NULL )
1519                                 {
1520                                     msg_Dbg( p_demux, "the file '%s' will not be used", s_filename.c_str() );
1521                                     delete p_estream;
1522                                     delete p_file_io;
1523                                 }
1524                                 else
1525                                 {
1526                                     p_stream->p_in = p_file_io;
1527                                     p_stream->p_es = p_estream;
1528                                     p_sys->streams.push_back( p_stream );
1529                                 }
1530                             }
1531                             else
1532                             {
1533                                 msg_Dbg( p_demux, "the file '%s' cannot be opened", s_filename.c_str() );
1534                             }
1535                         }
1536                     }
1537                 }
1538                 closedir( p_src_dir );
1539             }
1540         }
1541
1542         p_sys->PreloadFamily( *p_segment );
1543     }
1544
1545     p_sys->PreloadLinked( p_segment );
1546
1547     if ( !p_sys->PreparePlayback( NULL ) )
1548     {
1549         msg_Err( p_demux, "cannot use the segment" );
1550         goto error;
1551     }
1552
1553     p_sys->StartUiThread();
1554
1555     return VLC_SUCCESS;
1556
1557 error:
1558     delete p_sys;
1559     return VLC_EGENERIC;
1560 }
1561
1562 /*****************************************************************************
1563  * Close: frees unused data
1564  *****************************************************************************/
1565 static void Close( vlc_object_t *p_this )
1566 {
1567     demux_t     *p_demux = (demux_t*)p_this;
1568     demux_sys_t *p_sys   = p_demux->p_sys;
1569
1570     delete p_sys;
1571 }
1572
1573 /*****************************************************************************
1574  * Control:
1575  *****************************************************************************/
1576 static int Control( demux_t *p_demux, int i_query, va_list args )
1577 {
1578     demux_sys_t        *p_sys = p_demux->p_sys;
1579     int64_t     *pi64;
1580     double      *pf, f;
1581     int         i_skp;
1582     size_t      i_idx;
1583
1584     vlc_meta_t **pp_meta;
1585
1586     switch( i_query )
1587     {
1588         case DEMUX_GET_META:
1589             pp_meta = (vlc_meta_t**)va_arg( args, vlc_meta_t** );
1590             *pp_meta = vlc_meta_Duplicate( p_sys->meta );
1591             return VLC_SUCCESS;
1592
1593         case DEMUX_GET_LENGTH:
1594             pi64 = (int64_t*)va_arg( args, int64_t * );
1595             if( p_sys->f_duration > 0.0 )
1596             {
1597                 *pi64 = (int64_t)(p_sys->f_duration * 1000);
1598                 return VLC_SUCCESS;
1599             }
1600             return VLC_EGENERIC;
1601
1602         case DEMUX_GET_POSITION:
1603             pf = (double*)va_arg( args, double * );
1604             if ( p_sys->f_duration > 0.0 )
1605                 *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);
1606             return VLC_SUCCESS;
1607
1608         case DEMUX_SET_POSITION:
1609             f = (double)va_arg( args, double );
1610             Seek( p_demux, -1, f, NULL );
1611             return VLC_SUCCESS;
1612
1613         case DEMUX_GET_TIME:
1614             pi64 = (int64_t*)va_arg( args, int64_t * );
1615             *pi64 = p_sys->i_pts;
1616             return VLC_SUCCESS;
1617
1618         case DEMUX_GET_TITLE_INFO:
1619             if( p_sys->titles.size() )
1620             {
1621                 input_title_t ***ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
1622                 int *pi_int    = (int*)va_arg( args, int* );
1623
1624                 *pi_int = p_sys->titles.size();
1625                 *ppp_title = (input_title_t**)malloc( sizeof( input_title_t**) * p_sys->titles.size() );
1626
1627                 for( size_t i = 0; i < p_sys->titles.size(); i++ )
1628                 {
1629                     (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->titles[i] );
1630                 }
1631
1632                 return VLC_SUCCESS;
1633             }
1634             return VLC_EGENERIC;
1635
1636         case DEMUX_SET_TITLE:
1637             /* TODO handle editions as titles */
1638             i_idx = (int)va_arg( args, int );
1639             if( i_idx < p_sys->used_segments.size() )
1640             {
1641                 p_sys->JumpTo( *p_sys->used_segments[i_idx], NULL );
1642                 return VLC_SUCCESS;
1643             }
1644             return VLC_EGENERIC;
1645
1646         case DEMUX_SET_SEEKPOINT:
1647             i_skp = (int)va_arg( args, int );
1648
1649             // TODO change the way it works with the << & >> buttons on the UI (+1/-1 instead of a number)
1650             if( p_sys->titles.size() && i_skp < p_sys->titles[p_sys->i_current_title]->i_seekpoint)
1651             {
1652                 Seek( p_demux, (int64_t)p_sys->titles[p_sys->i_current_title]->seekpoint[i_skp]->i_time_offset, -1, NULL);
1653                 p_demux->info.i_seekpoint |= INPUT_UPDATE_SEEKPOINT;
1654                 p_demux->info.i_seekpoint = i_skp;
1655                 return VLC_SUCCESS;
1656             }
1657             return VLC_EGENERIC;
1658
1659         case DEMUX_SET_TIME:
1660         case DEMUX_GET_FPS:
1661         default:
1662             return VLC_EGENERIC;
1663     }
1664 }
1665
1666 #if LIBMATROSKA_VERSION >= 0x000800
1667 int matroska_segment_c::BlockGet( KaxBlock * & pp_block, KaxSimpleBlock * & pp_simpleblock, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration )
1668 #else
1669 int matroska_segment_c::BlockGet( KaxBlock * & pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration )
1670 #endif
1671 {
1672 #if LIBMATROSKA_VERSION >= 0x000800
1673     pp_simpleblock = NULL;
1674 #endif
1675     pp_block = NULL;
1676     *pi_ref1  = 0;
1677     *pi_ref2  = 0;
1678
1679     for( ;; )
1680     {
1681         EbmlElement *el = NULL;
1682         int         i_level;
1683
1684         if ( ep == NULL )
1685             return VLC_EGENERIC;
1686
1687 #if LIBMATROSKA_VERSION >= 0x000800
1688         if( pp_simpleblock != NULL || ((el = ep->Get()) == NULL && pp_block != NULL) )
1689 #else
1690         if( (el = ep->Get()) == NULL && pp_block != NULL )
1691 #endif
1692         {
1693             /* update the index */
1694 #define idx p_indexes[i_index - 1]
1695             if( i_index > 0 && idx.i_time == -1 )
1696             {
1697 #if LIBMATROSKA_VERSION >= 0x000800
1698                 if ( pp_simpleblock != NULL )
1699                     idx.i_time        = pp_simpleblock->GlobalTimecode() / (mtime_t)1000;
1700                 else
1701 #endif
1702                     idx.i_time        = (*pp_block).GlobalTimecode() / (mtime_t)1000;
1703                 idx.b_key         = *pi_ref1 == 0 ? VLC_TRUE : VLC_FALSE;
1704             }
1705 #undef idx
1706             return VLC_SUCCESS;
1707         }
1708
1709         i_level = ep->GetLevel();
1710
1711         if( el == NULL )
1712         {
1713             if( i_level > 1 )
1714             {
1715                 ep->Up();
1716                 continue;
1717             }
1718             msg_Warn( &sys.demuxer, "EOF" );
1719             return VLC_EGENERIC;
1720         }
1721
1722         /* do parsing */
1723         switch ( i_level )
1724         {
1725         case 1:
1726             if( MKV_IS_ID( el, KaxCluster ) )
1727             {
1728                 cluster = (KaxCluster*)el;
1729                 i_cluster_pos = cluster->GetElementPosition();
1730
1731                 /* add it to the index */
1732                 if( i_index == 0 ||
1733                     ( i_index > 0 && p_indexes[i_index - 1].i_position < (int64_t)cluster->GetElementPosition() ) )
1734                 {
1735                     IndexAppendCluster( cluster );
1736                 }
1737
1738                 // reset silent tracks
1739                 for (size_t i=0; i<tracks.size(); i++)
1740                 {
1741                     tracks[i]->b_silent = VLC_FALSE;
1742                 }
1743
1744                 ep->Down();
1745             }
1746             else if( MKV_IS_ID( el, KaxCues ) )
1747             {
1748                 msg_Warn( &sys.demuxer, "find KaxCues FIXME" );
1749                 return VLC_EGENERIC;
1750             }
1751             else
1752             {
1753                 msg_Dbg( &sys.demuxer, "unknown (%s)", typeid( el ).name() );
1754             }
1755             break;
1756         case 2:
1757             if( MKV_IS_ID( el, KaxClusterTimecode ) )
1758             {
1759                 KaxClusterTimecode &ctc = *(KaxClusterTimecode*)el;
1760
1761                 ctc.ReadData( es.I_O(), SCOPE_ALL_DATA );
1762                 cluster->InitTimecode( uint64( ctc ), i_timescale );
1763             }
1764             else if( MKV_IS_ID( el, KaxClusterSilentTracks ) )
1765             {
1766                 ep->Down();
1767             }
1768             else if( MKV_IS_ID( el, KaxBlockGroup ) )
1769             {
1770                 i_block_pos = el->GetElementPosition();
1771                 ep->Down();
1772             }
1773 #if LIBMATROSKA_VERSION >= 0x000800
1774             else if( MKV_IS_ID( el, KaxSimpleBlock ) )
1775             {
1776                 pp_simpleblock = (KaxSimpleBlock*)el;
1777
1778                 pp_simpleblock->ReadData( es.I_O() );
1779                 pp_simpleblock->SetParent( *cluster );
1780             }
1781 #endif
1782             break;
1783         case 3:
1784             if( MKV_IS_ID( el, KaxBlock ) )
1785             {
1786                 pp_block = (KaxBlock*)el;
1787
1788                 pp_block->ReadData( es.I_O() );
1789                 pp_block->SetParent( *cluster );
1790
1791                 ep->Keep();
1792             }
1793             else if( MKV_IS_ID( el, KaxBlockDuration ) )
1794             {
1795                 KaxBlockDuration &dur = *(KaxBlockDuration*)el;
1796
1797                 dur.ReadData( es.I_O() );
1798                 *pi_duration = uint64( dur );
1799             }
1800             else if( MKV_IS_ID( el, KaxReferenceBlock ) )
1801             {
1802                 KaxReferenceBlock &ref = *(KaxReferenceBlock*)el;
1803
1804                 ref.ReadData( es.I_O() );
1805                 if( *pi_ref1 == 0 )
1806                 {
1807                     *pi_ref1 = int64( ref ) * cluster->GlobalTimecodeScale();
1808                 }
1809                 else if( *pi_ref2 == 0 )
1810                 {
1811                     *pi_ref2 = int64( ref ) * cluster->GlobalTimecodeScale();
1812                 }
1813             }
1814             else if( MKV_IS_ID( el, KaxClusterSilentTrackNumber ) )
1815             {
1816                 KaxClusterSilentTrackNumber &track_num = *(KaxClusterSilentTrackNumber*)el;
1817                 track_num.ReadData( es.I_O() );
1818                 // find the track
1819                 for (size_t i=0; i<tracks.size(); i++)
1820                 {
1821                     if ( tracks[i]->i_number == uint32(track_num))
1822                     {
1823                         tracks[i]->b_silent = VLC_TRUE;
1824                         break;
1825                     }
1826                 }
1827             }
1828             break;
1829         default:
1830             msg_Err( &sys.demuxer, "invalid level = %d", i_level );
1831             return VLC_EGENERIC;
1832         }
1833     }
1834 }
1835
1836 static block_t *MemToBlock( demux_t *p_demux, uint8_t *p_mem, int i_mem)
1837 {
1838     block_t *p_block;
1839     if( !(p_block = block_New( p_demux, i_mem ) ) ) return NULL;
1840     memcpy( p_block->p_buffer, p_mem, i_mem );
1841     //p_block->i_rate = p_input->stream.control.i_rate;
1842     return p_block;
1843 }
1844
1845 #if LIBMATROSKA_VERSION >= 0x000800
1846 static void BlockDecode( demux_t *p_demux, KaxBlock *block, KaxSimpleBlock *simpleblock,
1847                          mtime_t i_pts, mtime_t i_duration, bool f_mandatory )
1848 #else
1849 static void BlockDecode( demux_t *p_demux, KaxBlock *block, mtime_t i_pts,
1850                          mtime_t i_duration, bool f_mandatory )
1851 #endif
1852 {
1853     demux_sys_t        *p_sys = p_demux->p_sys;
1854     matroska_segment_c *p_segment = p_sys->p_current_segment->Segment();
1855
1856     size_t          i_track;
1857     unsigned int    i;
1858     vlc_bool_t      b;
1859
1860 #define tk  p_segment->tracks[i_track]
1861     for( i_track = 0; i_track < p_segment->tracks.size(); i_track++ )
1862     {
1863 #if LIBMATROSKA_VERSION >= 0x000800
1864         if( (block != NULL && tk->i_number == block->TrackNum()) ||
1865             (simpleblock != NULL && tk->i_number == simpleblock->TrackNum()))
1866 #else
1867         if( tk->i_number == block->TrackNum() )
1868 #endif
1869         {
1870             break;
1871         }
1872     }
1873
1874     if( i_track >= p_segment->tracks.size() )
1875     {
1876         msg_Err( p_demux, "invalid track number=%d", block->TrackNum() );
1877         return;
1878     }
1879     if( tk->fmt.i_cat != NAV_ES && tk->p_es == NULL )
1880     {
1881         msg_Err( p_demux, "unknown track number=%d", block->TrackNum() );
1882         return;
1883     }
1884     if( i_pts + i_duration < p_sys->i_start_pts && tk->fmt.i_cat == AUDIO_ES )
1885     {
1886         return; /* discard audio packets that shouldn't be rendered */
1887     }
1888
1889     if ( tk->fmt.i_cat != NAV_ES )
1890     {
1891         es_out_Control( p_demux->out, ES_OUT_GET_ES_STATE, tk->p_es, &b );
1892
1893         if( !b )
1894         {
1895             tk->b_inited = VLC_FALSE;
1896             return;
1897         }
1898     }
1899
1900
1901     /* First send init data */
1902     if( !tk->b_inited && tk->i_data_init > 0 )
1903     {
1904         block_t *p_init;
1905
1906         msg_Dbg( p_demux, "sending header (%d bytes)", tk->i_data_init );
1907         p_init = MemToBlock( p_demux, tk->p_data_init, tk->i_data_init );
1908         if( p_init ) es_out_Send( p_demux->out, tk->p_es, p_init );
1909     }
1910     tk->b_inited = VLC_TRUE;
1911
1912
1913 #if LIBMATROSKA_VERSION >= 0x000800
1914     for( i = 0;
1915         (block != NULL && i < block->NumberFrames()) || (simpleblock != NULL && i < simpleblock->NumberFrames());
1916         i++ )
1917 #else
1918     for( i = 0; i < block->NumberFrames(); i++ )
1919 #endif
1920     {
1921         block_t *p_block;
1922         DataBuffer *data;
1923 #if LIBMATROSKA_VERSION >= 0x000800
1924         if ( simpleblock != NULL )
1925         {
1926             data = &simpleblock->GetBuffer(i);
1927             // condition when the DTS is correct (keyframe or B frame == NOT P frame)
1928             f_mandatory = simpleblock->IsDiscardable() || simpleblock->IsKeyframe();
1929         }
1930         else
1931 #endif
1932         data = &block->GetBuffer(i);
1933
1934         p_block = MemToBlock( p_demux, data->Buffer(), data->Size() );
1935
1936         if( p_block == NULL )
1937         {
1938             break;
1939         }
1940
1941 #if defined(HAVE_ZLIB_H)
1942         if( tk->i_compression_type )
1943         {
1944             p_block = block_zlib_decompress( VLC_OBJECT(p_demux), p_block );
1945         }
1946 #endif
1947
1948         if ( tk->fmt.i_cat == NAV_ES )
1949         {
1950             // TODO handle the start/stop times of this packet
1951             if ( p_sys->b_ui_hooked )
1952             {
1953                 vlc_mutex_lock( &p_sys->p_ev->lock );
1954                 memcpy( &p_sys->pci_packet, &p_block->p_buffer[1], sizeof(pci_t) );
1955                 p_sys->SwapButtons();
1956                 p_sys->b_pci_packet_set = true;
1957                 vlc_mutex_unlock( &p_sys->p_ev->lock );
1958                 block_Release( p_block );
1959             }
1960             return;
1961         }
1962         // correct timestamping when B frames are used
1963         if( tk->fmt.i_cat != VIDEO_ES )
1964         {
1965             p_block->i_dts = p_block->i_pts = i_pts;
1966         }
1967         else
1968         {
1969             if( !strcmp( tk->psz_codec, "V_MS/VFW/FOURCC" ) )
1970             {
1971                 // in VFW we have no idea about B frames
1972                 p_block->i_pts = 0;
1973                 p_block->i_dts = i_pts;
1974             }
1975             else
1976             {
1977                 p_block->i_pts = i_pts;
1978                 if ( f_mandatory )
1979                     p_block->i_dts = p_block->i_pts;
1980                 else
1981                     p_block->i_dts = min( i_pts, tk->i_last_dts + (tk->i_default_duration >> 10));
1982                 p_sys->i_pts = p_block->i_dts;
1983             }
1984         }
1985         tk->i_last_dts = p_block->i_dts;
1986
1987 #if 1
1988 msg_Dbg( p_demux, "block i_dts: "I64Fd" / i_pts: "I64Fd, p_block->i_dts, p_block->i_pts);
1989 #endif
1990         if( strcmp( tk->psz_codec, "S_VOBSUB" ) )
1991         {
1992             p_block->i_length = i_duration * 1000;
1993         }
1994
1995         es_out_Send( p_demux->out, tk->p_es, p_block );
1996
1997         /* use time stamp only for first block */
1998         i_pts = 0;
1999     }
2000
2001 #undef tk
2002 }
2003
2004 matroska_stream_c *demux_sys_t::AnalyseAllSegmentsFound( demux_t *p_demux, EbmlStream *p_estream, bool b_initial )
2005 {
2006     int i_upper_lvl = 0;
2007     size_t i;
2008     EbmlElement *p_l0, *p_l1, *p_l2;
2009     bool b_keep_stream = false, b_keep_segment;
2010
2011     // verify the EBML Header
2012     p_l0 = p_estream->FindNextID(EbmlHead::ClassInfos, 0xFFFFFFFFL);
2013     if (p_l0 == NULL)
2014     {
2015         msg_Err( p_demux, "No EBML header found" );
2016         return NULL;
2017     }
2018
2019     // verify we can read this Segment, we only support Matroska version 1 for now
2020     p_l0->Read(*p_estream, EbmlHead::ClassInfos.Context, i_upper_lvl, p_l0, true);
2021
2022     EDocType doc_type = GetChild<EDocType>(*static_cast<EbmlHead*>(p_l0));
2023     if (std::string(doc_type) != "matroska")
2024     {
2025         msg_Err( p_demux, "Not a Matroska file : DocType = %s ", std::string(doc_type).c_str());
2026         return NULL;
2027     }
2028
2029     EDocTypeReadVersion doc_read_version = GetChild<EDocTypeReadVersion>(*static_cast<EbmlHead*>(p_l0));
2030 #if LIBMATROSKA_VERSION >= 0x000800
2031     if (uint64(doc_read_version) > 2)
2032     {
2033         msg_Err( p_demux, "This matroska file is needs version "I64Fd" and this VLC only supports version 1 & 2", uint64(doc_read_version));
2034         return NULL;
2035     }
2036 #else
2037     if (uint64(doc_read_version) != 1)
2038     {
2039         msg_Err( p_demux, "This matroska file is needs version "I64Fd" and this VLC only supports version 1", uint64(doc_read_version));
2040         return NULL;
2041     }
2042 #endif
2043
2044     delete p_l0;
2045
2046
2047     // find all segments in this file
2048     p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFFLL);
2049     if (p_l0 == NULL)
2050     {
2051         return NULL;
2052     }
2053
2054     matroska_stream_c *p_stream1 = new matroska_stream_c( *this );
2055
2056     while (p_l0 != 0)
2057     {
2058         if (EbmlId(*p_l0) == KaxSegment::ClassInfos.GlobalId)
2059         {
2060             EbmlParser  *ep;
2061             matroska_segment_c *p_segment1 = new matroska_segment_c( *this, *p_estream );
2062             b_keep_segment = b_initial;
2063
2064             ep = new EbmlParser(p_estream, p_l0, &demuxer );
2065             p_segment1->ep = ep;
2066             p_segment1->segment = (KaxSegment*)p_l0;
2067
2068             while ((p_l1 = ep->Get()))
2069             {
2070                 if (MKV_IS_ID(p_l1, KaxInfo))
2071                 {
2072                     // find the families of this segment
2073                     KaxInfo *p_info = static_cast<KaxInfo*>(p_l1);
2074
2075                     p_info->Read(*p_estream, KaxInfo::ClassInfos.Context, i_upper_lvl, p_l2, true);
2076                     for( i = 0; i < p_info->ListSize(); i++ )
2077                     {
2078                         EbmlElement *l = (*p_info)[i];
2079
2080                         if( MKV_IS_ID( l, KaxSegmentUID ) )
2081                         {
2082                             KaxSegmentUID *p_uid = static_cast<KaxSegmentUID*>(l);
2083                             b_keep_segment = (FindSegment( *p_uid ) == NULL);
2084                             if ( !b_keep_segment )
2085                                 break; // this segment is already known
2086                             opened_segments.push_back( p_segment1 );
2087                             delete p_segment1->p_segment_uid;
2088                             p_segment1->p_segment_uid = new KaxSegmentUID(*p_uid);
2089                         }
2090                         else if( MKV_IS_ID( l, KaxPrevUID ) )
2091                         {
2092                             p_segment1->p_prev_segment_uid = new KaxPrevUID( *static_cast<KaxPrevUID*>(l) );
2093                         }
2094                         else if( MKV_IS_ID( l, KaxNextUID ) )
2095                         {
2096                             p_segment1->p_next_segment_uid = new KaxNextUID( *static_cast<KaxNextUID*>(l) );
2097                         }
2098                         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
2099                         {
2100                             KaxSegmentFamily *p_fam = new KaxSegmentFamily( *static_cast<KaxSegmentFamily*>(l) );
2101                             p_segment1->families.push_back( p_fam );
2102                         }
2103                     }
2104                     break;
2105                 }
2106             }
2107             if ( b_keep_segment )
2108             {
2109                 b_keep_stream = true;
2110                 p_stream1->segments.push_back( p_segment1 );
2111             }
2112             else
2113                 delete p_segment1;
2114         }
2115         if (p_l0->IsFiniteSize() )
2116         {
2117             p_l0->SkipData(*p_estream, KaxMatroska_Context);
2118             p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFL);
2119         }
2120         else
2121             p_l0 = p_l0->SkipData(*p_estream, KaxSegment_Context);
2122     }
2123
2124     if ( !b_keep_stream )
2125     {
2126         delete p_stream1;
2127         p_stream1 = NULL;
2128     }
2129
2130     return p_stream1;
2131 }
2132
2133 bool matroska_segment_c::Select( mtime_t i_start_time )
2134 {
2135     size_t i_track;
2136
2137     /* add all es */
2138     msg_Dbg( &sys.demuxer, "found %d es", (int)tracks.size() );
2139     sys.b_pci_packet_set = false;
2140
2141     for( i_track = 0; i_track < tracks.size(); i_track++ )
2142     {
2143         if( tracks[i_track]->fmt.i_cat == UNKNOWN_ES )
2144         {
2145             msg_Warn( &sys.demuxer, "invalid track[%d, n=%d]", (int)i_track, tracks[i_track]->i_number );
2146             tracks[i_track]->p_es = NULL;
2147             continue;
2148         }
2149
2150         if( !strcmp( tracks[i_track]->psz_codec, "V_MS/VFW/FOURCC" ) )
2151         {
2152             if( tracks[i_track]->i_extra_data < (int)sizeof( BITMAPINFOHEADER ) )
2153             {
2154                 msg_Err( &sys.demuxer, "missing/invalid BITMAPINFOHEADER" );
2155                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2156             }
2157             else
2158             {
2159                 BITMAPINFOHEADER *p_bih = (BITMAPINFOHEADER*)tracks[i_track]->p_extra_data;
2160
2161                 tracks[i_track]->fmt.video.i_width = GetDWLE( &p_bih->biWidth );
2162                 tracks[i_track]->fmt.video.i_height= GetDWLE( &p_bih->biHeight );
2163                 tracks[i_track]->fmt.i_codec       = GetFOURCC( &p_bih->biCompression );
2164
2165                 tracks[i_track]->fmt.i_extra       = GetDWLE( &p_bih->biSize ) - sizeof( BITMAPINFOHEADER );
2166                 if( tracks[i_track]->fmt.i_extra > 0 )
2167                 {
2168                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2169                     memcpy( tracks[i_track]->fmt.p_extra, &p_bih[1], tracks[i_track]->fmt.i_extra );
2170                 }
2171             }
2172         }
2173         else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG1" ) ||
2174                  !strcmp( tracks[i_track]->psz_codec, "V_MPEG2" ) )
2175         {
2176             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'v' );
2177         }
2178         else if( !strncmp( tracks[i_track]->psz_codec, "V_MPEG4", 7 ) )
2179         {
2180             if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/MS/V3" ) )
2181             {
2182                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'D', 'I', 'V', '3' );
2183             }
2184             else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/ISO/AVC" ) )
2185             {
2186                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'v', 'c', '1' );
2187                 tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2188                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2189                 memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2190             }
2191             else
2192             {
2193                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' );
2194             }
2195         }
2196         else if( !strcmp( tracks[i_track]->psz_codec, "V_QUICKTIME" ) )
2197         {
2198             MP4_Box_t *p_box = (MP4_Box_t*)malloc( sizeof( MP4_Box_t ) );
2199             stream_t *p_mp4_stream = stream_MemoryNew( VLC_OBJECT(&sys.demuxer),
2200                                                        tracks[i_track]->p_extra_data,
2201                                                        tracks[i_track]->i_extra_data,
2202                                                        VLC_FALSE );
2203             MP4_ReadBoxCommon( p_mp4_stream, p_box );
2204             MP4_ReadBox_sample_vide( p_mp4_stream, p_box );
2205             tracks[i_track]->fmt.i_codec = p_box->i_type;
2206             tracks[i_track]->fmt.video.i_width = p_box->data.p_sample_vide->i_width;
2207             tracks[i_track]->fmt.video.i_height = p_box->data.p_sample_vide->i_height;
2208             tracks[i_track]->fmt.i_extra = p_box->data.p_sample_vide->i_qt_image_description;
2209             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2210             memcpy( tracks[i_track]->fmt.p_extra, p_box->data.p_sample_vide->p_qt_image_description, tracks[i_track]->fmt.i_extra );
2211             MP4_FreeBox_sample_vide( p_box );
2212             stream_Delete( p_mp4_stream );
2213         }
2214         else if( !strcmp( tracks[i_track]->psz_codec, "A_MS/ACM" ) )
2215         {
2216             if( tracks[i_track]->i_extra_data < (int)sizeof( WAVEFORMATEX ) )
2217             {
2218                 msg_Err( &sys.demuxer, "missing/invalid WAVEFORMATEX" );
2219                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2220             }
2221             else
2222             {
2223                 WAVEFORMATEX *p_wf = (WAVEFORMATEX*)tracks[i_track]->p_extra_data;
2224
2225                 wf_tag_to_fourcc( GetWLE( &p_wf->wFormatTag ), &tracks[i_track]->fmt.i_codec, NULL );
2226
2227                 tracks[i_track]->fmt.audio.i_channels   = GetWLE( &p_wf->nChannels );
2228                 tracks[i_track]->fmt.audio.i_rate = GetDWLE( &p_wf->nSamplesPerSec );
2229                 tracks[i_track]->fmt.i_bitrate    = GetDWLE( &p_wf->nAvgBytesPerSec ) * 8;
2230                 tracks[i_track]->fmt.audio.i_blockalign = GetWLE( &p_wf->nBlockAlign );;
2231                 tracks[i_track]->fmt.audio.i_bitspersample = GetWLE( &p_wf->wBitsPerSample );
2232
2233                 tracks[i_track]->fmt.i_extra            = GetWLE( &p_wf->cbSize );
2234                 if( tracks[i_track]->fmt.i_extra > 0 )
2235                 {
2236                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2237                     memcpy( tracks[i_track]->fmt.p_extra, &p_wf[1], tracks[i_track]->fmt.i_extra );
2238                 }
2239             }
2240         }
2241         else if( !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L3" ) ||
2242                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L2" ) ||
2243                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L1" ) )
2244         {
2245             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' );
2246         }
2247         else if( !strcmp( tracks[i_track]->psz_codec, "A_AC3" ) )
2248         {
2249             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' );
2250         }
2251         else if( !strcmp( tracks[i_track]->psz_codec, "A_DTS" ) )
2252         {
2253             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'd', 't', 's', ' ' );
2254         }
2255         else if( !strcmp( tracks[i_track]->psz_codec, "A_FLAC" ) )
2256         {
2257             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'f', 'l', 'a', 'c' );
2258             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2259             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2260             memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2261         }
2262         else if( !strcmp( tracks[i_track]->psz_codec, "A_VORBIS" ) )
2263         {
2264             int i, i_offset = 1, i_size[3], i_extra;
2265             uint8_t *p_extra;
2266
2267             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'v', 'o', 'r', 'b' );
2268
2269             /* Split the 3 headers */
2270             if( tracks[i_track]->p_extra_data[0] != 0x02 )
2271                 msg_Err( &sys.demuxer, "invalid vorbis header" );
2272
2273             for( i = 0; i < 2; i++ )
2274             {
2275                 i_size[i] = 0;
2276                 while( i_offset < tracks[i_track]->i_extra_data )
2277                 {
2278                     i_size[i] += tracks[i_track]->p_extra_data[i_offset];
2279                     if( tracks[i_track]->p_extra_data[i_offset++] != 0xff ) break;
2280                 }
2281             }
2282
2283             i_size[0] = __MIN(i_size[0], tracks[i_track]->i_extra_data - i_offset);
2284             i_size[1] = __MIN(i_size[1], tracks[i_track]->i_extra_data -i_offset -i_size[0]);
2285             i_size[2] = tracks[i_track]->i_extra_data - i_offset - i_size[0] - i_size[1];
2286
2287             tracks[i_track]->fmt.i_extra = 3 * 2 + i_size[0] + i_size[1] + i_size[2];
2288             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2289             p_extra = (uint8_t *)tracks[i_track]->fmt.p_extra; i_extra = 0;
2290             for( i = 0; i < 3; i++ )
2291             {
2292                 *(p_extra++) = i_size[i] >> 8;
2293                 *(p_extra++) = i_size[i] & 0xFF;
2294                 memcpy( p_extra, tracks[i_track]->p_extra_data + i_offset + i_extra,
2295                         i_size[i] );
2296                 p_extra += i_size[i];
2297                 i_extra += i_size[i];
2298             }
2299         }
2300         else if( !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG2/", strlen( "A_AAC/MPEG2/" ) ) ||
2301                  !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG4/", strlen( "A_AAC/MPEG4/" ) ) )
2302         {
2303             int i_profile, i_srate;
2304             static unsigned int i_sample_rates[] =
2305             {
2306                     96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050,
2307                         16000, 12000, 11025, 8000,  7350,  0,     0,     0
2308             };
2309
2310             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
2311             /* create data for faad (MP4DecSpecificDescrTag)*/
2312
2313             if( !strcmp( &tracks[i_track]->psz_codec[12], "MAIN" ) )
2314             {
2315                 i_profile = 0;
2316             }
2317             else if( !strcmp( &tracks[i_track]->psz_codec[12], "LC" ) )
2318             {
2319                 i_profile = 1;
2320             }
2321             else if( !strcmp( &tracks[i_track]->psz_codec[12], "SSR" ) )
2322             {
2323                 i_profile = 2;
2324             }
2325             else
2326             {
2327                 i_profile = 3;
2328             }
2329
2330             for( i_srate = 0; i_srate < 13; i_srate++ )
2331             {
2332                 if( i_sample_rates[i_srate] == tracks[i_track]->fmt.audio.i_rate )
2333                 {
2334                     break;
2335                 }
2336             }
2337             msg_Dbg( &sys.demuxer, "profile=%d srate=%d", i_profile, i_srate );
2338
2339             tracks[i_track]->fmt.i_extra = 2;
2340             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2341             ((uint8_t*)tracks[i_track]->fmt.p_extra)[0] = ((i_profile + 1) << 3) | ((i_srate&0xe) >> 1);
2342             ((uint8_t*)tracks[i_track]->fmt.p_extra)[1] = ((i_srate & 0x1) << 7) | (tracks[i_track]->fmt.audio.i_channels << 3);
2343         }
2344         else if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) ||
2345                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/LIT" ) ||
2346                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/FLOAT/IEEE" ) )
2347         {
2348             if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) )
2349             {
2350                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
2351             }
2352             else
2353             {
2354                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
2355             }
2356             tracks[i_track]->fmt.audio.i_blockalign = ( tracks[i_track]->fmt.audio.i_bitspersample + 7 ) / 8 * tracks[i_track]->fmt.audio.i_channels;
2357         }
2358         else if( !strcmp( tracks[i_track]->psz_codec, "A_TTA1" ) )
2359         {
2360             /* FIXME: support this codec */
2361             msg_Err( &sys.demuxer, "TTA not supported yet[%d, n=%d]", (int)i_track, tracks[i_track]->i_number );
2362             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2363         }
2364         else if( !strcmp( tracks[i_track]->psz_codec, "A_WAVPACK4" ) )
2365         {
2366             /* FIXME: support this codec */
2367             msg_Err( &sys.demuxer, "Wavpack not supported yet[%d, n=%d]", (int)i_track, tracks[i_track]->i_number );
2368             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2369         }
2370         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/UTF8" ) )
2371         {
2372             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 'u', 'b', 't' );
2373             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2374         }
2375         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/SSA" ) ||
2376                  !strcmp( tracks[i_track]->psz_codec, "S_TEXT/ASS" ) ||
2377                  !strcmp( tracks[i_track]->psz_codec, "S_SSA" ) ||
2378                  !strcmp( tracks[i_track]->psz_codec, "S_ASS" ))
2379         {
2380             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 's', 'a', ' ' );
2381             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2382         }
2383         else if( !strcmp( tracks[i_track]->psz_codec, "S_VOBSUB" ) )
2384         {
2385             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's','p','u',' ' );
2386             if( tracks[i_track]->i_extra_data )
2387             {
2388                 char *p_start;
2389                 char *p_buf = (char *)malloc( tracks[i_track]->i_extra_data + 1);
2390                 memcpy( p_buf, tracks[i_track]->p_extra_data , tracks[i_track]->i_extra_data );
2391                 p_buf[tracks[i_track]->i_extra_data] = '\0';
2392
2393                 p_start = strstr( p_buf, "size:" );
2394                 if( sscanf( p_start, "size: %dx%d",
2395                         &tracks[i_track]->fmt.subs.spu.i_original_frame_width, &tracks[i_track]->fmt.subs.spu.i_original_frame_height ) == 2 )
2396                 {
2397                     msg_Dbg( &sys.demuxer, "original frame size vobsubs: %dx%d", tracks[i_track]->fmt.subs.spu.i_original_frame_width, tracks[i_track]->fmt.subs.spu.i_original_frame_height );
2398                 }
2399                 else
2400                 {
2401                     msg_Warn( &sys.demuxer, "reading original frame size for vobsub failed" );
2402                 }
2403                 free( p_buf );
2404             }
2405         }
2406         else if( !strcmp( tracks[i_track]->psz_codec, "B_VOBBTN" ) )
2407         {
2408             tracks[i_track]->fmt.i_cat = NAV_ES;
2409             continue;
2410         }
2411         else
2412         {
2413             msg_Err( &sys.demuxer, "unknow codec id=`%s'", tracks[i_track]->psz_codec );
2414             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2415         }
2416         if( tracks[i_track]->b_default )
2417         {
2418             tracks[i_track]->fmt.i_priority = 1000;
2419         }
2420
2421         tracks[i_track]->p_es = es_out_Add( sys.demuxer.out, &tracks[i_track]->fmt );
2422
2423         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_start_time );
2424     }
2425
2426     sys.i_start_pts = i_start_time;
2427     // reset the stream reading to the first cluster of the segment used
2428     es.I_O().setFilePointer( i_start_pos );
2429
2430     delete ep;
2431     ep = new EbmlParser( &es, segment, &sys.demuxer );
2432
2433     return true;
2434 }
2435
2436 void demux_sys_t::StartUiThread()
2437 {
2438     if ( !b_ui_hooked )
2439     {
2440         msg_Dbg( &demuxer, "Starting the UI Hook" );
2441         b_ui_hooked = true;
2442         /* FIXME hack hack hack hack FIXME */
2443         /* Get p_input and create variable */
2444         p_input = (input_thread_t *) vlc_object_find( &demuxer, VLC_OBJECT_INPUT, FIND_PARENT );
2445         var_Create( p_input, "x-start", VLC_VAR_INTEGER );
2446         var_Create( p_input, "y-start", VLC_VAR_INTEGER );
2447         var_Create( p_input, "x-end", VLC_VAR_INTEGER );
2448         var_Create( p_input, "y-end", VLC_VAR_INTEGER );
2449         var_Create( p_input, "color", VLC_VAR_ADDRESS );
2450         var_Create( p_input, "menu-palette", VLC_VAR_ADDRESS );
2451         var_Create( p_input, "highlight", VLC_VAR_BOOL );
2452         var_Create( p_input, "highlight-mutex", VLC_VAR_MUTEX );
2453
2454         /* Now create our event thread catcher */
2455         p_ev = (event_thread_t *) vlc_object_create( &demuxer, sizeof( event_thread_t ) );
2456         p_ev->p_demux = &demuxer;
2457         p_ev->b_die = VLC_FALSE;
2458         vlc_mutex_init( p_ev, &p_ev->lock );
2459         vlc_thread_create( p_ev, "mkv event thread handler", EventThread,
2460                         VLC_THREAD_PRIORITY_LOW, VLC_FALSE );
2461     }
2462 }
2463
2464 void demux_sys_t::StopUiThread()
2465 {
2466     if ( b_ui_hooked )
2467     {
2468         p_ev->b_die = VLC_TRUE;
2469
2470         vlc_thread_join( p_ev );
2471         vlc_object_destroy( p_ev );
2472
2473         p_ev = NULL;
2474
2475         var_Destroy( p_input, "highlight-mutex" );
2476         var_Destroy( p_input, "highlight" );
2477         var_Destroy( p_input, "x-start" );
2478         var_Destroy( p_input, "x-end" );
2479         var_Destroy( p_input, "y-start" );
2480         var_Destroy( p_input, "y-end" );
2481         var_Destroy( p_input, "color" );
2482         var_Destroy( p_input, "menu-palette" );
2483
2484         vlc_object_release( p_input );
2485
2486         msg_Dbg( &demuxer, "Stopping the UI Hook" );
2487     }
2488     b_ui_hooked = false;
2489 }
2490
2491 int demux_sys_t::EventMouse( vlc_object_t *p_this, char const *psz_var,
2492                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
2493 {
2494     event_thread_t *p_ev = (event_thread_t *) p_data;
2495     vlc_mutex_lock( &p_ev->lock );
2496     if( psz_var[6] == 'c' )
2497     {
2498         p_ev->b_clicked = VLC_TRUE;
2499         msg_Dbg( p_this, "Event Mouse: clicked");
2500     }
2501     else if( psz_var[6] == 'm' )
2502         p_ev->b_moved = VLC_TRUE;
2503     vlc_mutex_unlock( &p_ev->lock );
2504
2505     return VLC_SUCCESS;
2506 }
2507
2508 int demux_sys_t::EventKey( vlc_object_t *p_this, char const *psz_var,
2509                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
2510 {
2511     event_thread_t *p_ev = (event_thread_t *) p_data;
2512     vlc_mutex_lock( &p_ev->lock );
2513     p_ev->b_key = VLC_TRUE;
2514     vlc_mutex_unlock( &p_ev->lock );
2515     msg_Dbg( p_this, "Event Key");
2516
2517     return VLC_SUCCESS;
2518 }
2519
2520 int demux_sys_t::EventThread( vlc_object_t *p_this )
2521 {
2522     event_thread_t *p_ev = (event_thread_t*)p_this;
2523     demux_sys_t    *p_sys = p_ev->p_demux->p_sys;
2524     vlc_object_t   *p_vout = NULL;
2525
2526     p_ev->b_moved   = VLC_FALSE;
2527     p_ev->b_clicked = VLC_FALSE;
2528     p_ev->b_key     = VLC_FALSE;
2529
2530     /* catch all key event */
2531     var_AddCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2532
2533     /* main loop */
2534     while( !p_ev->b_die )
2535     {
2536         if ( !p_sys->b_pci_packet_set )
2537         {
2538             /* Wait 100ms */
2539             msleep( 100000 );
2540             continue;
2541         }
2542
2543         vlc_bool_t b_activated = VLC_FALSE;
2544
2545         /* KEY part */
2546         if( p_ev->b_key )
2547         {
2548             vlc_value_t valk;
2549             struct vlc_t::hotkey *p_hotkeys = p_ev->p_vlc->p_hotkeys;
2550             int i, i_action = -1;
2551
2552             msg_Dbg( p_ev->p_demux, "Handle Key Event");
2553
2554             vlc_mutex_lock( &p_ev->lock );
2555
2556             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2557
2558             var_Get( p_ev->p_vlc, "key-pressed", &valk );
2559             for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
2560             {
2561                 if( p_hotkeys[i].i_key == valk.i_int )
2562                 {
2563                     i_action = p_hotkeys[i].i_action;
2564                 }
2565             }
2566
2567             uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2568
2569             switch( i_action )
2570             {
2571             case ACTIONID_NAV_LEFT:
2572                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2573                 {
2574                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2575                     if ( p_button_ptr->left > 0 && p_button_ptr->left <= pci->hli.hl_gi.btn_ns )
2576                     {
2577                         i_curr_button = p_button_ptr->left;
2578                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2579                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2580                         if ( button_ptr.auto_action_mode )
2581                         {
2582                             vlc_mutex_unlock( &p_ev->lock );
2583                             vlc_mutex_lock( &p_sys->lock_demuxer );
2584
2585                             // process the button action
2586                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2587
2588                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2589                             vlc_mutex_lock( &p_ev->lock );
2590                         }
2591                     }
2592                 }
2593                 break;
2594             case ACTIONID_NAV_RIGHT:
2595                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2596                 {
2597                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2598                     if ( p_button_ptr->right > 0 && p_button_ptr->right <= pci->hli.hl_gi.btn_ns )
2599                     {
2600                         i_curr_button = p_button_ptr->right;
2601                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2602                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2603                         if ( button_ptr.auto_action_mode )
2604                         {
2605                             vlc_mutex_unlock( &p_ev->lock );
2606                             vlc_mutex_lock( &p_sys->lock_demuxer );
2607
2608                             // process the button action
2609                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2610
2611                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2612                             vlc_mutex_lock( &p_ev->lock );
2613                         }
2614                     }
2615                 }
2616                 break;
2617             case ACTIONID_NAV_UP:
2618                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2619                 {
2620                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2621                     if ( p_button_ptr->up > 0 && p_button_ptr->up <= pci->hli.hl_gi.btn_ns )
2622                     {
2623                         i_curr_button = p_button_ptr->up;
2624                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2625                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2626                         if ( button_ptr.auto_action_mode )
2627                         {
2628                             vlc_mutex_unlock( &p_ev->lock );
2629                             vlc_mutex_lock( &p_sys->lock_demuxer );
2630
2631                             // process the button action
2632                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2633
2634                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2635                             vlc_mutex_lock( &p_ev->lock );
2636                         }
2637                     }
2638                 }
2639                 break;
2640             case ACTIONID_NAV_DOWN:
2641                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2642                 {
2643                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2644                     if ( p_button_ptr->down > 0 && p_button_ptr->down <= pci->hli.hl_gi.btn_ns )
2645                     {
2646                         i_curr_button = p_button_ptr->down;
2647                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2648                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2649                         if ( button_ptr.auto_action_mode )
2650                         {
2651                             vlc_mutex_unlock( &p_ev->lock );
2652                             vlc_mutex_lock( &p_sys->lock_demuxer );
2653
2654                             // process the button action
2655                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2656
2657                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2658                             vlc_mutex_lock( &p_ev->lock );
2659                         }
2660                     }
2661                 }
2662                 break;
2663             case ACTIONID_NAV_ACTIVATE:
2664                 b_activated = VLC_TRUE;
2665
2666                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2667                 {
2668                     btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2669
2670                     vlc_mutex_unlock( &p_ev->lock );
2671                     vlc_mutex_lock( &p_sys->lock_demuxer );
2672
2673                     // process the button action
2674                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2675
2676                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2677                     vlc_mutex_lock( &p_ev->lock );
2678                 }
2679                 break;
2680             default:
2681                 break;
2682             }
2683             p_ev->b_key = VLC_FALSE;
2684             vlc_mutex_unlock( &p_ev->lock );
2685         }
2686
2687         /* MOUSE part */
2688         if( p_vout && ( p_ev->b_moved || p_ev->b_clicked ) )
2689         {
2690             vlc_value_t valx, valy;
2691
2692             vlc_mutex_lock( &p_ev->lock );
2693             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2694             var_Get( p_vout, "mouse-x", &valx );
2695             var_Get( p_vout, "mouse-y", &valy );
2696
2697             if( p_ev->b_clicked )
2698             {
2699                 int32_t button;
2700                 int32_t best,dist,d;
2701                 int32_t mx,my,dx,dy;
2702
2703                 msg_Dbg( p_ev->p_demux, "Handle Mouse Event: Mouse clicked x(%d)*y(%d)", (unsigned)valx.i_int, (unsigned)valy.i_int);
2704
2705                 b_activated = VLC_TRUE;
2706                 // get current button
2707                 best = 0;
2708                 dist = 0x08000000; /* >> than  (720*720)+(567*567); */
2709                 for(button = 1; button <= pci->hli.hl_gi.btn_ns; button++)
2710                 {
2711                     btni_t *button_ptr = &(pci->hli.btnit[button-1]);
2712
2713                     if(((unsigned)valx.i_int >= button_ptr->x_start)
2714                      && ((unsigned)valx.i_int <= button_ptr->x_end)
2715                      && ((unsigned)valy.i_int >= button_ptr->y_start)
2716                      && ((unsigned)valy.i_int <= button_ptr->y_end))
2717                     {
2718                         mx = (button_ptr->x_start + button_ptr->x_end)/2;
2719                         my = (button_ptr->y_start + button_ptr->y_end)/2;
2720                         dx = mx - valx.i_int;
2721                         dy = my - valy.i_int;
2722                         d = (dx*dx) + (dy*dy);
2723                         /* If the mouse is within the button and the mouse is closer
2724                         * to the center of this button then it is the best choice. */
2725                         if(d < dist) {
2726                             dist = d;
2727                             best = button;
2728                         }
2729                     }
2730                 }
2731
2732                 if ( best != 0)
2733                 {
2734                     btni_t button_ptr = pci->hli.btnit[best-1];
2735                     uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2736
2737                     msg_Dbg( &p_sys->demuxer, "Clicked button %d", best );
2738                     vlc_mutex_unlock( &p_ev->lock );
2739                     vlc_mutex_lock( &p_sys->lock_demuxer );
2740
2741                     // process the button action
2742                     p_sys->dvd_interpretor.SetSPRM( 0x88, best );
2743                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2744
2745                     msg_Dbg( &p_sys->demuxer, "Processed button %d", best );
2746
2747                     // select new button
2748                     if ( best != i_curr_button )
2749                     {
2750                         vlc_value_t val;
2751
2752                         if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
2753                         {
2754                             vlc_mutex_t *p_mutex = (vlc_mutex_t *) val.p_address;
2755                             uint32_t i_palette;
2756
2757                             if(button_ptr.btn_coln != 0) {
2758                                 i_palette = pci->hli.btn_colit.btn_coli[button_ptr.btn_coln-1][1];
2759                             } else {
2760                                 i_palette = 0;
2761                             }
2762
2763                             for( int i = 0; i < 4; i++ )
2764                             {
2765                                 uint32_t i_yuv = 0xFF;//p_sys->clut[(hl.palette>>(16+i*4))&0x0f];
2766                                 uint8_t i_alpha = (i_palette>>(i*4))&0x0f;
2767                                 i_alpha = i_alpha == 0xf ? 0xff : i_alpha << 4;
2768
2769                                 p_sys->palette[i][0] = (i_yuv >> 16) & 0xff;
2770                                 p_sys->palette[i][1] = (i_yuv >> 0) & 0xff;
2771                                 p_sys->palette[i][2] = (i_yuv >> 8) & 0xff;
2772                                 p_sys->palette[i][3] = i_alpha;
2773                             }
2774
2775                             vlc_mutex_lock( p_mutex );
2776                             val.i_int = button_ptr.x_start; var_Set( p_sys->p_input, "x-start", val );
2777                             val.i_int = button_ptr.x_end;   var_Set( p_sys->p_input, "x-end",   val );
2778                             val.i_int = button_ptr.y_start; var_Set( p_sys->p_input, "y-start", val );
2779                             val.i_int = button_ptr.y_end;   var_Set( p_sys->p_input, "y-end",   val );
2780
2781                             val.p_address = (void *)p_sys->palette;
2782                             var_Set( p_sys->p_input, "menu-palette", val );
2783
2784                             val.b_bool = VLC_TRUE; var_Set( p_sys->p_input, "highlight", val );
2785                             vlc_mutex_unlock( p_mutex );
2786                         }
2787                     }
2788                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2789                     vlc_mutex_lock( &p_ev->lock );
2790                 }
2791             }
2792             else if( p_ev->b_moved )
2793             {
2794 //                dvdnav_mouse_select( NULL, pci, valx.i_int, valy.i_int );
2795             }
2796
2797             p_ev->b_moved = VLC_FALSE;
2798             p_ev->b_clicked = VLC_FALSE;
2799             vlc_mutex_unlock( &p_ev->lock );
2800         }
2801
2802         /* VOUT part */
2803         if( p_vout && p_vout->b_die )
2804         {
2805             var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2806             var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2807             vlc_object_release( p_vout );
2808             p_vout = NULL;
2809         }
2810
2811         else if( p_vout == NULL )
2812         {
2813             p_vout = (vlc_object_t*) vlc_object_find( p_sys->p_input, VLC_OBJECT_VOUT,
2814                                       FIND_CHILD );
2815             if( p_vout)
2816             {
2817                 var_AddCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2818                 var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2819             }
2820         }
2821
2822         /* Wait a bit, 10ms */
2823         msleep( 10000 );
2824     }
2825
2826     /* Release callback */
2827     if( p_vout )
2828     {
2829         var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2830         var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2831         vlc_object_release( p_vout );
2832     }
2833     var_DelCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2834
2835     vlc_mutex_destroy( &p_ev->lock );
2836
2837     return VLC_SUCCESS;
2838 }
2839
2840 void matroska_segment_c::UnSelect( )
2841 {
2842     size_t i_track;
2843
2844     for( i_track = 0; i_track < tracks.size(); i_track++ )
2845     {
2846         if ( tracks[i_track]->p_es != NULL )
2847         {
2848 //            es_format_Clean( &tracks[i_track]->fmt );
2849             es_out_Del( sys.demuxer.out, tracks[i_track]->p_es );
2850             tracks[i_track]->p_es = NULL;
2851         }
2852     }
2853     delete ep;
2854     ep = NULL;
2855 }
2856
2857 void virtual_segment_c::PrepareChapters( )
2858 {
2859     if ( linked_segments.size() == 0 )
2860         return;
2861
2862     // !!! should be called only once !!!
2863     matroska_segment_c *p_segment;
2864     size_t i, j;
2865
2866     // copy editions from the first segment
2867     p_segment = linked_segments[0];
2868     p_editions = &p_segment->stored_editions;
2869
2870     for ( i=1 ; i<linked_segments.size(); i++ )
2871     {
2872         p_segment = linked_segments[i];
2873         // FIXME assume we have the same editions in all segments
2874         for (j=0; j<p_segment->stored_editions.size(); j++)
2875             (*p_editions)[j]->Append( *p_segment->stored_editions[j] );
2876     }
2877 }
2878
2879 std::string chapter_edition_c::GetMainName() const
2880 {
2881     if ( sub_chapters.size() )
2882     {
2883         return sub_chapters[0]->GetCodecName( true );
2884     }
2885     return "";
2886 }
2887
2888 int chapter_item_c::PublishChapters( input_title_t & title, int & i_user_chapters, int i_level )
2889 {
2890     // add support for meta-elements from codec like DVD Titles
2891     if ( !b_display_seekpoint || psz_name == "" )
2892     {
2893         psz_name = GetCodecName();
2894         if ( psz_name != "" )
2895             b_display_seekpoint = true;
2896     }
2897
2898     if (b_display_seekpoint)
2899     {
2900         seekpoint_t *sk = vlc_seekpoint_New();
2901
2902         sk->i_level = i_level;
2903         sk->i_time_offset = i_start_time;
2904         sk->psz_name = strdup( psz_name.c_str() );
2905
2906         // A start time of '0' is ok. A missing ChapterTime element is ok, too, because '0' is its default value.
2907         title.i_seekpoint++;
2908         title.seekpoint = (seekpoint_t**)realloc( title.seekpoint, title.i_seekpoint * sizeof( seekpoint_t* ) );
2909         title.seekpoint[title.i_seekpoint-1] = sk;
2910
2911         if ( b_user_display )
2912             i_user_chapters++;
2913     }
2914
2915     for ( size_t i=0; i<sub_chapters.size() ; i++)
2916     {
2917         sub_chapters[i]->PublishChapters( title, i_user_chapters, i_level+1 );
2918     }
2919
2920     i_seekpoint_num = i_user_chapters;
2921
2922     return i_user_chapters;
2923 }
2924
2925 bool virtual_segment_c::UpdateCurrentToChapter( demux_t & demux )
2926 {
2927     demux_sys_t & sys = *demux.p_sys;
2928     chapter_item_c *psz_curr_chapter;
2929     bool b_has_seeked = false;
2930
2931     /* update current chapter/seekpoint */
2932     if ( p_editions->size() )
2933     {
2934         /* 1st, we need to know in which chapter we are */
2935         psz_curr_chapter = (*p_editions)[i_current_edition]->FindTimecode( sys.i_pts, psz_current_chapter );
2936
2937         /* we have moved to a new chapter */
2938         if (psz_curr_chapter != NULL && psz_current_chapter != psz_curr_chapter)
2939         {
2940             if ( (*p_editions)[i_current_edition]->b_ordered )
2941             {
2942                 // Leave/Enter up to the link point
2943                 b_has_seeked = psz_curr_chapter->EnterAndLeave( psz_current_chapter );
2944                 if ( !b_has_seeked )
2945                 {
2946                     // only physically seek if necessary
2947                     if ( psz_current_chapter == NULL || (psz_current_chapter->i_end_time != psz_curr_chapter->i_start_time) )
2948                         Seek( demux, sys.i_pts, 0, psz_curr_chapter );
2949                 }
2950             }
2951
2952             if ( !b_has_seeked )
2953             {
2954                 psz_current_chapter = psz_curr_chapter;
2955                 if ( psz_curr_chapter->i_seekpoint_num > 0 )
2956                 {
2957                     demux.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
2958                     demux.info.i_title = sys.i_current_title = i_sys_title;
2959                     demux.info.i_seekpoint = psz_curr_chapter->i_seekpoint_num - 1;
2960                 }
2961             }
2962
2963             return true;
2964         }
2965         else if (psz_curr_chapter == NULL)
2966         {
2967             // out of the scope of the data described by chapters, leave the edition
2968             if ( (*p_editions)[i_current_edition]->b_ordered && psz_current_chapter != NULL )
2969             {
2970                 if ( !(*p_editions)[i_current_edition]->EnterAndLeave( psz_current_chapter, false ) )
2971                     psz_current_chapter = NULL;
2972                 else
2973                     return true;
2974             }
2975         }
2976     }
2977     return false;
2978 }
2979
2980 chapter_item_c *virtual_segment_c::BrowseCodecPrivate( unsigned int codec_id,
2981                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
2982                                     const void *p_cookie,
2983                                     size_t i_cookie_size )
2984 {
2985     // FIXME don't assume it is the first edition
2986     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
2987     if ( index != p_editions->end() )
2988     {
2989         chapter_item_c *p_result = (*index)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
2990         if ( p_result != NULL )
2991             return p_result;
2992     }
2993     return NULL;
2994 }
2995
2996 chapter_item_c *virtual_segment_c::FindChapter( int64_t i_find_uid )
2997 {
2998     // FIXME don't assume it is the first edition
2999     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
3000     if ( index != p_editions->end() )
3001     {
3002         chapter_item_c *p_result = (*index)->FindChapter( i_find_uid );
3003         if ( p_result != NULL )
3004             return p_result;
3005     }
3006     return NULL;
3007 }
3008
3009 chapter_item_c *chapter_item_c::BrowseCodecPrivate( unsigned int codec_id,
3010                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
3011                                     const void *p_cookie,
3012                                     size_t i_cookie_size )
3013 {
3014     // this chapter
3015     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
3016     while ( index != codecs.end() )
3017     {
3018         if ( match( **index ,p_cookie, i_cookie_size ) )
3019             return this;
3020         index++;
3021     }
3022
3023     // sub-chapters
3024     chapter_item_c *p_result = NULL;
3025     std::vector<chapter_item_c*>::const_iterator index2 = sub_chapters.begin();
3026     while ( index2 != sub_chapters.end() )
3027     {
3028         p_result = (*index2)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
3029         if ( p_result != NULL )
3030             return p_result;
3031         index2++;
3032     }
3033
3034     return p_result;
3035 }
3036
3037 void chapter_item_c::Append( const chapter_item_c & chapter )
3038 {
3039     // we are appending content for the same chapter UID
3040     size_t i;
3041     chapter_item_c *p_chapter;
3042
3043     for ( i=0; i<chapter.sub_chapters.size(); i++ )
3044     {
3045         p_chapter = FindChapter( chapter.sub_chapters[i]->i_uid );
3046         if ( p_chapter != NULL )
3047         {
3048             p_chapter->Append( *chapter.sub_chapters[i] );
3049         }
3050         else
3051         {
3052             sub_chapters.push_back( chapter.sub_chapters[i] );
3053         }
3054     }
3055
3056     i_user_start_time = min( i_user_start_time, chapter.i_user_start_time );
3057     i_user_end_time = max( i_user_end_time, chapter.i_user_end_time );
3058 }
3059
3060 chapter_item_c * chapter_item_c::FindChapter( int64_t i_find_uid )
3061 {
3062     size_t i;
3063     chapter_item_c *p_result = NULL;
3064
3065     if ( i_uid == i_find_uid )
3066         return this;
3067
3068     for ( i=0; i<sub_chapters.size(); i++)
3069     {
3070         p_result = sub_chapters[i]->FindChapter( i_find_uid );
3071         if ( p_result != NULL )
3072             break;
3073     }
3074     return p_result;
3075 }
3076
3077 std::string chapter_item_c::GetCodecName( bool f_for_title ) const
3078 {
3079     std::string result;
3080
3081     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
3082     while ( index != codecs.end() )
3083     {
3084         result = (*index)->GetCodecName( f_for_title );
3085         if ( result != "" )
3086             break;
3087         index++;
3088     }
3089
3090     return result;
3091 }
3092
3093 std::string dvd_chapter_codec_c::GetCodecName( bool f_for_title ) const
3094 {
3095     std::string result;
3096     if ( p_private_data->GetSize() >= 3)
3097     {
3098         const binary* p_data = p_private_data->GetBuffer();
3099 /*        if ( p_data[0] == MATROSKA_DVD_LEVEL_TT )
3100         {
3101             uint16_t i_title = (p_data[1] << 8) + p_data[2];
3102             char psz_str[11];
3103             sprintf( psz_str, " %d  ---", i_title );
3104             result = N_("---  DVD Title");
3105             result += psz_str;
3106         }
3107         else */ if ( p_data[0] == MATROSKA_DVD_LEVEL_LU )
3108         {
3109             char psz_str[11];
3110             sprintf( psz_str, " (%c%c)  ---", p_data[1], p_data[2] );
3111             result = N_("---  DVD Menu");
3112             result += psz_str;
3113         }
3114         else if ( p_data[0] == MATROSKA_DVD_LEVEL_SS && f_for_title )
3115         {
3116             if ( p_data[1] == 0x00 )
3117                 result = N_("First Played");
3118             else if ( p_data[1] == 0xC0 )
3119                 result = N_("Video Manager");
3120             else if ( p_data[1] == 0x80 )
3121             {
3122                 uint16_t i_title = (p_data[2] << 8) + p_data[3];
3123                 char psz_str[20];
3124                 sprintf( psz_str, " %d -----", i_title );
3125                 result = N_("----- Title");
3126                 result += psz_str;
3127             }
3128         }
3129     }
3130
3131     return result;
3132 }
3133
3134 int16 chapter_item_c::GetTitleNumber( ) const
3135 {
3136     int result = -1;
3137
3138     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
3139     while ( index != codecs.end() )
3140     {
3141         result = (*index)->GetTitleNumber( );
3142         if ( result >= 0 )
3143             break;
3144         index++;
3145     }
3146
3147     return result;
3148 }
3149
3150 int16 dvd_chapter_codec_c::GetTitleNumber()
3151 {
3152     if ( p_private_data->GetSize() >= 3)
3153     {
3154         const binary* p_data = p_private_data->GetBuffer();
3155         if ( p_data[0] == MATROSKA_DVD_LEVEL_SS )
3156         {
3157             return int16( (p_data[2] << 8) + p_data[3] );
3158         }
3159     }
3160     return -1;
3161 }
3162
3163 static void Seek( demux_t *p_demux, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter )
3164 {
3165     demux_sys_t        *p_sys = p_demux->p_sys;
3166     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3167     matroska_segment_c *p_segment = p_vsegment->Segment();
3168     mtime_t            i_time_offset = 0;
3169
3170     int         i_index;
3171
3172     msg_Dbg( p_demux, "seek request to "I64Fd" (%f%%)", i_date, f_percent );
3173     if( i_date < 0 && f_percent < 0 )
3174     {
3175         msg_Warn( p_demux, "cannot seek nowhere !" );
3176         return;
3177     }
3178     if( f_percent > 1.0 )
3179     {
3180         msg_Warn( p_demux, "cannot seek so far !" );
3181         return;
3182     }
3183
3184     /* seek without index or without date */
3185     if( f_percent >= 0 && (config_GetInt( p_demux, "mkv-seek-percent" ) || !p_segment->b_cues || i_date < 0 ))
3186     {
3187         if (p_sys->f_duration >= 0)
3188         {
3189             i_date = int64_t( f_percent * p_sys->f_duration * 1000.0 );
3190         }
3191         else
3192         {
3193             int64_t i_pos = int64_t( f_percent * stream_Size( p_demux->s ) );
3194
3195             msg_Dbg( p_demux, "inacurate way of seeking" );
3196             for( i_index = 0; i_index < p_segment->i_index; i_index++ )
3197             {
3198                 if( p_segment->p_indexes[i_index].i_position >= i_pos)
3199                 {
3200                     break;
3201                 }
3202             }
3203             if( i_index == p_segment->i_index )
3204             {
3205                 i_index--;
3206             }
3207
3208             i_date = p_segment->p_indexes[i_index].i_time;
3209
3210 #if 0
3211             if( p_segment->p_indexes[i_index].i_position < i_pos )
3212             {
3213                 EbmlElement *el;
3214
3215                 msg_Warn( p_demux, "searching for cluster, could take some time" );
3216
3217                 /* search a cluster */
3218                 while( ( el = p_sys->ep->Get() ) != NULL )
3219                 {
3220                     if( MKV_IS_ID( el, KaxCluster ) )
3221                     {
3222                         KaxCluster *cluster = (KaxCluster*)el;
3223
3224                         /* add it to the index */
3225                         p_segment->IndexAppendCluster( cluster );
3226
3227                         if( (int64_t)cluster->GetElementPosition() >= i_pos )
3228                         {
3229                             p_sys->cluster = cluster;
3230                             p_sys->ep->Down();
3231                             break;
3232                         }
3233                     }
3234                 }
3235             }
3236 #endif
3237         }
3238     }
3239
3240     p_vsegment->Seek( *p_demux, i_date, i_time_offset, psz_chapter );
3241 }
3242
3243 /*****************************************************************************
3244  * Demux: reads and demuxes data packets
3245  *****************************************************************************
3246  * Returns -1 in case of error, 0 in case of EOF, 1 otherwise
3247  *****************************************************************************/
3248 static int Demux( demux_t *p_demux)
3249 {
3250     demux_sys_t        *p_sys = p_demux->p_sys;
3251
3252     vlc_mutex_lock( &p_sys->lock_demuxer );
3253
3254     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3255     matroska_segment_c *p_segment = p_vsegment->Segment();
3256     if ( p_segment == NULL ) return 0;
3257     int                i_block_count = 0;
3258     int                i_return = 0;
3259
3260     for( ;; )
3261     {
3262         if ( p_sys->demuxer.b_die )
3263             break;
3264
3265         if( p_sys->i_pts >= p_sys->i_start_pts  )
3266             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3267             {
3268                 i_return = 1;
3269                 break;
3270             }
3271
3272         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3273         {
3274             /* nothing left to read in this ordered edition */
3275             if ( !p_vsegment->SelectNext() )
3276                 break;
3277             p_segment->UnSelect( );
3278
3279             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3280
3281             /* switch to the next segment */
3282             p_segment = p_vsegment->Segment();
3283             if ( !p_segment->Select( 0 ) )
3284             {
3285                 msg_Err( p_demux, "Failed to select new segment" );
3286                 break;
3287             }
3288             continue;
3289         }
3290
3291         KaxBlock *block;
3292         int64_t i_block_duration = 0;
3293         int64_t i_block_ref1;
3294         int64_t i_block_ref2;
3295
3296 #if LIBMATROSKA_VERSION >= 0x000800
3297         KaxSimpleBlock *simpleblock;
3298
3299         if( p_segment->BlockGet( block, simpleblock, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
3300 #else
3301         if( p_segment->BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
3302 #endif
3303         {
3304             if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered )
3305             {
3306                 const chapter_item_c *p_chap = p_vsegment->CurrentChapter();
3307                 // check if there are more chapters to read
3308                 if ( p_chap != NULL )
3309                 {
3310                     /* TODO handle successive chapters with the same user_start_time/user_end_time
3311                     if ( p_chap->i_user_start_time == p_chap->i_user_start_time )
3312                         p_vsegment->SelectNext();
3313                     */
3314                     p_sys->i_pts = p_chap->i_user_end_time;
3315                     p_sys->i_pts++; // trick to avoid staying on segments with no duration and no content
3316
3317                     i_return = 1;
3318                 }
3319
3320                 break;
3321             }
3322             else
3323             {
3324                 msg_Warn( p_demux, "cannot get block EOF?" );
3325                 p_segment->UnSelect( );
3326
3327                 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3328
3329                 /* switch to the next segment */
3330                 if ( !p_vsegment->SelectNext() )
3331                     // no more segments in this stream
3332                     break;
3333                 p_segment = p_vsegment->Segment();
3334                 if ( !p_segment->Select( 0 ) )
3335                 {
3336                     msg_Err( p_demux, "Failed to select new segment" );
3337                     break;
3338                 }
3339
3340                 continue;
3341             }
3342         }
3343
3344 #if LIBMATROSKA_VERSION >= 0x000800
3345         if ( simpleblock != NULL )
3346             p_sys->i_pts = (p_sys->i_chapter_time + simpleblock->GlobalTimecode()) / (mtime_t) 1000;
3347         else
3348 #endif
3349         p_sys->i_pts = (p_sys->i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
3350
3351         if( p_sys->i_pts >= p_sys->i_start_pts  )
3352         {
3353             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pts );
3354
3355             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3356             {
3357                 i_return = 1;
3358                 delete block;
3359                 break;
3360             }
3361         }
3362
3363         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3364         {
3365             /* nothing left to read in this ordered edition */
3366             if ( !p_vsegment->SelectNext() )
3367             {
3368                 delete block;
3369                 break;
3370             }
3371             p_segment->UnSelect( );
3372
3373             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3374
3375             /* switch to the next segment */
3376             p_segment = p_vsegment->Segment();
3377             if ( !p_segment->Select( 0 ) )
3378             {
3379                 msg_Err( p_demux, "Failed to select new segment" );
3380                 delete block;
3381                 break;
3382             }
3383             delete block;
3384             continue;
3385         }
3386
3387 #if LIBMATROSKA_VERSION >= 0x000800
3388         BlockDecode( p_demux, block, simpleblock, p_sys->i_pts, i_block_duration, i_block_ref1 >= 0 || i_block_ref2 > 0 );
3389 #else
3390         BlockDecode( p_demux, block, p_sys->i_pts, i_block_duration, i_block_ref1 >= 0 || i_block_ref2 > 0 );
3391 #endif
3392
3393         delete block;
3394         i_block_count++;
3395
3396         // TODO optimize when there is need to leave or when seeking has been called
3397         if( i_block_count > 5 )
3398         {
3399             i_return = 1;
3400             break;
3401         }
3402     }
3403
3404     vlc_mutex_unlock( &p_sys->lock_demuxer );
3405
3406     return i_return;
3407 }
3408
3409
3410
3411 /*****************************************************************************
3412  * Stream managment
3413  *****************************************************************************/
3414 vlc_stream_io_callback::vlc_stream_io_callback( stream_t *s_, vlc_bool_t b_owner_ )
3415 {
3416     s = s_;
3417     b_owner = b_owner_;
3418     mb_eof = VLC_FALSE;
3419 }
3420
3421 uint32 vlc_stream_io_callback::read( void *p_buffer, size_t i_size )
3422 {
3423     if( i_size <= 0 || mb_eof )
3424     {
3425         return 0;
3426     }
3427
3428     return stream_Read( s, p_buffer, i_size );
3429 }
3430 void vlc_stream_io_callback::setFilePointer(int64_t i_offset, seek_mode mode )
3431 {
3432     int64_t i_pos;
3433
3434     switch( mode )
3435     {
3436         case seek_beginning:
3437             i_pos = i_offset;
3438             break;
3439         case seek_end:
3440             i_pos = stream_Size( s ) - i_offset;
3441             break;
3442         default:
3443             i_pos= stream_Tell( s ) + i_offset;
3444             break;
3445     }
3446
3447     if( i_pos < 0 || i_pos >= stream_Size( s ) )
3448     {
3449         mb_eof = VLC_TRUE;
3450         return;
3451     }
3452
3453     mb_eof = VLC_FALSE;
3454     if( stream_Seek( s, i_pos ) )
3455     {
3456         mb_eof = VLC_TRUE;
3457     }
3458     return;
3459 }
3460 size_t vlc_stream_io_callback::write( const void *p_buffer, size_t i_size )
3461 {
3462     return 0;
3463 }
3464 uint64 vlc_stream_io_callback::getFilePointer( void )
3465 {
3466     if ( s == NULL )
3467         return 0;
3468     return stream_Tell( s );
3469 }
3470 void vlc_stream_io_callback::close( void )
3471 {
3472     return;
3473 }
3474
3475
3476 /*****************************************************************************
3477  * Ebml Stream parser
3478  *****************************************************************************/
3479 EbmlParser::EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux )
3480 {
3481     int i;
3482
3483     m_es = es;
3484     m_got = NULL;
3485     m_el[0] = el_start;
3486     mi_remain_size[0] = el_start->GetSize();
3487
3488     for( i = 1; i < 6; i++ )
3489     {
3490         m_el[i] = NULL;
3491     }
3492     mi_level = 1;
3493     mi_user_level = 1;
3494     mb_keep = VLC_FALSE;
3495     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3496 }
3497
3498 EbmlParser::~EbmlParser( void )
3499 {
3500     int i;
3501
3502     for( i = 1; i < mi_level; i++ )
3503     {
3504         if( !mb_keep )
3505         {
3506             delete m_el[i];
3507         }
3508         mb_keep = VLC_FALSE;
3509     }
3510 }
3511
3512 EbmlElement* EbmlParser::UnGet( uint64 i_block_pos, uint64 i_cluster_pos )
3513 {
3514     if ( mi_user_level > mi_level )
3515     {
3516         while ( mi_user_level != mi_level )
3517         {
3518             delete m_el[mi_user_level];
3519             m_el[mi_user_level] = NULL;
3520             mi_user_level--;
3521         }
3522     }
3523     m_got = NULL;
3524     mb_keep = VLC_FALSE;
3525     if ( m_el[1]->GetElementPosition() == i_cluster_pos )
3526     {
3527         m_es->I_O().setFilePointer( i_block_pos, seek_beginning );
3528         return (EbmlMaster*) m_el[1];
3529     }
3530     else
3531     {
3532         // seek to the previous Cluster
3533         m_es->I_O().setFilePointer( i_cluster_pos, seek_beginning );
3534         mi_level--;
3535         mi_user_level--;
3536         delete m_el[mi_level];
3537         m_el[mi_level] = NULL;
3538         return NULL;
3539     }
3540 }
3541
3542 void EbmlParser::Up( void )
3543 {
3544     if( mi_user_level == mi_level )
3545     {
3546         fprintf( stderr," arrrrrrrrrrrrrg Up cannot escape itself\n" );
3547     }
3548
3549     mi_user_level--;
3550 }
3551
3552 void EbmlParser::Down( void )
3553 {
3554     mi_user_level++;
3555     mi_level++;
3556 }
3557
3558 void EbmlParser::Keep( void )
3559 {
3560     mb_keep = VLC_TRUE;
3561 }
3562
3563 int EbmlParser::GetLevel( void )
3564 {
3565     return mi_user_level;
3566 }
3567
3568 void EbmlParser::Reset( demux_t *p_demux )
3569 {
3570     while ( mi_level > 0)
3571     {
3572         delete m_el[mi_level];
3573         m_el[mi_level] = NULL;
3574         mi_level--;
3575     }
3576     mi_user_level = mi_level = 1;
3577 #if LIBEBML_VERSION >= 0x000704
3578     // a little faster and cleaner
3579     m_es->I_O().setFilePointer( static_cast<KaxSegment*>(m_el[0])->GetGlobalPosition(0) );
3580 #else
3581     m_es->I_O().setFilePointer( m_el[0]->GetElementPosition() + m_el[0]->ElementSize(true) - m_el[0]->GetSize() );
3582 #endif
3583     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3584 }
3585
3586 EbmlElement *EbmlParser::Get( void )
3587 {
3588     int i_ulev = 0;
3589
3590     if( mi_user_level != mi_level )
3591     {
3592         return NULL;
3593     }
3594     if( m_got )
3595     {
3596         EbmlElement *ret = m_got;
3597         m_got = NULL;
3598
3599         return ret;
3600     }
3601
3602     if( m_el[mi_level] )
3603     {
3604         m_el[mi_level]->SkipData( *m_es, m_el[mi_level]->Generic().Context );
3605         if( !mb_keep )
3606         {
3607             delete m_el[mi_level];
3608         }
3609         mb_keep = VLC_FALSE;
3610     }
3611
3612     m_el[mi_level] = m_es->FindNextElement( m_el[mi_level - 1]->Generic().Context, i_ulev, 0xFFFFFFFFL, mb_dummy != 0, 1 );
3613 //    mi_remain_size[mi_level] = m_el[mi_level]->GetSize();
3614     if( i_ulev > 0 )
3615     {
3616         while( i_ulev > 0 )
3617         {
3618             if( mi_level == 1 )
3619             {
3620                 mi_level = 0;
3621                 return NULL;
3622             }
3623
3624             delete m_el[mi_level - 1];
3625             m_got = m_el[mi_level -1] = m_el[mi_level];
3626             m_el[mi_level] = NULL;
3627
3628             mi_level--;
3629             i_ulev--;
3630         }
3631         return NULL;
3632     }
3633     else if( m_el[mi_level] == NULL )
3634     {
3635         fprintf( stderr," m_el[mi_level] == NULL\n" );
3636     }
3637
3638     return m_el[mi_level];
3639 }
3640
3641
3642 /*****************************************************************************
3643  * Tools
3644  *  * LoadCues : load the cues element and update index
3645  *
3646  *  * LoadTags : load ... the tags element
3647  *
3648  *  * InformationCreate : create all information, load tags if present
3649  *
3650  *****************************************************************************/
3651 void matroska_segment_c::LoadCues( )
3652 {
3653     int64_t     i_sav_position = es.I_O().getFilePointer();
3654     EbmlParser  *ep;
3655     EbmlElement *el, *cues;
3656
3657     /* *** Load the cue if found *** */
3658     if( i_cues_position < 0 )
3659     {
3660         msg_Warn( &sys.demuxer, "no cues/empty cues found->seek won't be precise" );
3661
3662 //        IndexAppendCluster( cluster );
3663     }
3664
3665     vlc_bool_t b_seekable;
3666
3667     stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
3668     if( !b_seekable )
3669         return;
3670
3671     msg_Dbg( &sys.demuxer, "loading cues" );
3672     es.I_O().setFilePointer( i_cues_position, seek_beginning );
3673     cues = es.FindNextID( KaxCues::ClassInfos, 0xFFFFFFFFL);
3674
3675     if( cues == NULL )
3676     {
3677         msg_Err( &sys.demuxer, "cannot load cues (broken seekhead or file)" );
3678         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3679         return;
3680     }
3681
3682     ep = new EbmlParser( &es, cues, &sys.demuxer );
3683     while( ( el = ep->Get() ) != NULL )
3684     {
3685         if( MKV_IS_ID( el, KaxCuePoint ) )
3686         {
3687 #define idx p_indexes[i_index]
3688
3689             idx.i_track       = -1;
3690             idx.i_block_number= -1;
3691             idx.i_position    = -1;
3692             idx.i_time        = 0;
3693             idx.b_key         = VLC_TRUE;
3694
3695             ep->Down();
3696             while( ( el = ep->Get() ) != NULL )
3697             {
3698                 if( MKV_IS_ID( el, KaxCueTime ) )
3699                 {
3700                     KaxCueTime &ctime = *(KaxCueTime*)el;
3701
3702                     ctime.ReadData( es.I_O() );
3703
3704                     idx.i_time = uint64( ctime ) * i_timescale / (mtime_t)1000;
3705                 }
3706                 else if( MKV_IS_ID( el, KaxCueTrackPositions ) )
3707                 {
3708                     ep->Down();
3709                     while( ( el = ep->Get() ) != NULL )
3710                     {
3711                         if( MKV_IS_ID( el, KaxCueTrack ) )
3712                         {
3713                             KaxCueTrack &ctrack = *(KaxCueTrack*)el;
3714
3715                             ctrack.ReadData( es.I_O() );
3716                             idx.i_track = uint16( ctrack );
3717                         }
3718                         else if( MKV_IS_ID( el, KaxCueClusterPosition ) )
3719                         {
3720                             KaxCueClusterPosition &ccpos = *(KaxCueClusterPosition*)el;
3721
3722                             ccpos.ReadData( es.I_O() );
3723                             idx.i_position = segment->GetGlobalPosition( uint64( ccpos ) );
3724                         }
3725                         else if( MKV_IS_ID( el, KaxCueBlockNumber ) )
3726                         {
3727                             KaxCueBlockNumber &cbnum = *(KaxCueBlockNumber*)el;
3728
3729                             cbnum.ReadData( es.I_O() );
3730                             idx.i_block_number = uint32( cbnum );
3731                         }
3732                         else
3733                         {
3734                             msg_Dbg( &sys.demuxer, "         * Unknown (%s)", typeid(*el).name() );
3735                         }
3736                     }
3737                     ep->Up();
3738                 }
3739                 else
3740                 {
3741                     msg_Dbg( &sys.demuxer, "     * Unknown (%s)", typeid(*el).name() );
3742                 }
3743             }
3744             ep->Up();
3745
3746 #if 0
3747             msg_Dbg( &sys.demuxer, " * added time="I64Fd" pos="I64Fd
3748                      " track=%d bnum=%d", idx.i_time, idx.i_position,
3749                      idx.i_track, idx.i_block_number );
3750 #endif
3751
3752             i_index++;
3753             if( i_index >= i_index_max )
3754             {
3755                 i_index_max += 1024;
3756                 p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
3757             }
3758 #undef idx
3759         }
3760         else
3761         {
3762             msg_Dbg( &sys.demuxer, " * Unknown (%s)", typeid(*el).name() );
3763         }
3764     }
3765     delete ep;
3766     delete cues;
3767
3768     b_cues = VLC_TRUE;
3769
3770     msg_Dbg( &sys.demuxer, "loading cues done." );
3771     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3772 }
3773
3774 void matroska_segment_c::LoadTags( )
3775 {
3776     int64_t     i_sav_position = es.I_O().getFilePointer();
3777     EbmlParser  *ep;
3778     EbmlElement *el, *tags;
3779
3780     msg_Dbg( &sys.demuxer, "loading tags" );
3781     es.I_O().setFilePointer( i_tags_position, seek_beginning );
3782     tags = es.FindNextID( KaxTags::ClassInfos, 0xFFFFFFFFL);
3783
3784     if( tags == NULL )
3785     {
3786         msg_Err( &sys.demuxer, "cannot load tags (broken seekhead or file)" );
3787         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3788         return;
3789     }
3790
3791     msg_Dbg( &sys.demuxer, "Tags" );
3792     ep = new EbmlParser( &es, tags, &sys.demuxer );
3793     while( ( el = ep->Get() ) != NULL )
3794     {
3795         if( MKV_IS_ID( el, KaxTag ) )
3796         {
3797             msg_Dbg( &sys.demuxer, "+ Tag" );
3798             ep->Down();
3799             while( ( el = ep->Get() ) != NULL )
3800             {
3801                 if( MKV_IS_ID( el, KaxTagTargets ) )
3802                 {
3803                     msg_Dbg( &sys.demuxer, "|   + Targets" );
3804                     ep->Down();
3805                     while( ( el = ep->Get() ) != NULL )
3806                     {
3807                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3808                     }
3809                     ep->Up();
3810                 }
3811                 else if( MKV_IS_ID( el, KaxTagGeneral ) )
3812                 {
3813                     msg_Dbg( &sys.demuxer, "|   + General" );
3814                     ep->Down();
3815                     while( ( el = ep->Get() ) != NULL )
3816                     {
3817                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3818                     }
3819                     ep->Up();
3820                 }
3821                 else if( MKV_IS_ID( el, KaxTagGenres ) )
3822                 {
3823                     msg_Dbg( &sys.demuxer, "|   + Genres" );
3824                     ep->Down();
3825                     while( ( el = ep->Get() ) != NULL )
3826                     {
3827                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3828                     }
3829                     ep->Up();
3830                 }
3831                 else if( MKV_IS_ID( el, KaxTagAudioSpecific ) )
3832                 {
3833                     msg_Dbg( &sys.demuxer, "|   + Audio Specific" );
3834                     ep->Down();
3835                     while( ( el = ep->Get() ) != NULL )
3836                     {
3837                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3838                     }
3839                     ep->Up();
3840                 }
3841                 else if( MKV_IS_ID( el, KaxTagImageSpecific ) )
3842                 {
3843                     msg_Dbg( &sys.demuxer, "|   + Images Specific" );
3844                     ep->Down();
3845                     while( ( el = ep->Get() ) != NULL )
3846                     {
3847                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3848                     }
3849                     ep->Up();
3850                 }
3851                 else if( MKV_IS_ID( el, KaxTagMultiComment ) )
3852                 {
3853                     msg_Dbg( &sys.demuxer, "|   + Multi Comment" );
3854                 }
3855                 else if( MKV_IS_ID( el, KaxTagMultiCommercial ) )
3856                 {
3857                     msg_Dbg( &sys.demuxer, "|   + Multi Commercial" );
3858                 }
3859                 else if( MKV_IS_ID( el, KaxTagMultiDate ) )
3860                 {
3861                     msg_Dbg( &sys.demuxer, "|   + Multi Date" );
3862                 }
3863                 else if( MKV_IS_ID( el, KaxTagMultiEntity ) )
3864                 {
3865                     msg_Dbg( &sys.demuxer, "|   + Multi Entity" );
3866                 }
3867                 else if( MKV_IS_ID( el, KaxTagMultiIdentifier ) )
3868                 {
3869                     msg_Dbg( &sys.demuxer, "|   + Multi Identifier" );
3870                 }
3871                 else if( MKV_IS_ID( el, KaxTagMultiLegal ) )
3872                 {
3873                     msg_Dbg( &sys.demuxer, "|   + Multi Legal" );
3874                 }
3875                 else if( MKV_IS_ID( el, KaxTagMultiTitle ) )
3876                 {
3877                     msg_Dbg( &sys.demuxer, "|   + Multi Title" );
3878                 }
3879                 else
3880                 {
3881                     msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid( *el ).name() );
3882                 }
3883             }
3884             ep->Up();
3885         }
3886         else
3887         {
3888             msg_Dbg( &sys.demuxer, "+ Unknown (%s)", typeid( *el ).name() );
3889         }
3890     }
3891     delete ep;
3892     delete tags;
3893
3894     msg_Dbg( &sys.demuxer, "loading tags done." );
3895     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3896 }
3897
3898 /*****************************************************************************
3899  * ParseSeekHead:
3900  *****************************************************************************/
3901 void matroska_segment_c::ParseSeekHead( KaxSeekHead *seekhead )
3902 {
3903     EbmlElement *el;
3904     size_t i, j;
3905     int i_upper_level = 0;
3906
3907     msg_Dbg( &sys.demuxer, "|   + Seek head" );
3908
3909     /* Master elements */
3910     seekhead->Read( es, seekhead->Generic().Context, i_upper_level, el, true );
3911
3912     for( i = 0; i < seekhead->ListSize(); i++ )
3913     {
3914         EbmlElement *l = (*seekhead)[i];
3915
3916         if( MKV_IS_ID( l, KaxSeek ) )
3917         {
3918             EbmlMaster *sk = static_cast<EbmlMaster *>(l);
3919             EbmlId id = EbmlVoid::ClassInfos.GlobalId;
3920             int64_t i_pos = -1;
3921
3922             for( j = 0; j < sk->ListSize(); j++ )
3923             {
3924                 EbmlElement *l = (*sk)[j];
3925
3926                 if( MKV_IS_ID( l, KaxSeekID ) )
3927                 {
3928                     KaxSeekID &sid = *(KaxSeekID*)l;
3929                     id = EbmlId( sid.GetBuffer(), sid.GetSize() );
3930                 }
3931                 else if( MKV_IS_ID( l, KaxSeekPosition ) )
3932                 {
3933                     KaxSeekPosition &spos = *(KaxSeekPosition*)l;
3934                     i_pos = uint64( spos );
3935                 }
3936                 else
3937                 {
3938                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
3939                 }
3940             }
3941
3942             if( i_pos >= 0 )
3943             {
3944                 if( id == KaxCues::ClassInfos.GlobalId )
3945                 {
3946                     msg_Dbg( &sys.demuxer, "|   |   |   = cues at "I64Fd, i_pos );
3947                     i_cues_position = segment->GetGlobalPosition( i_pos );
3948                 }
3949                 else if( id == KaxChapters::ClassInfos.GlobalId )
3950                 {
3951                     msg_Dbg( &sys.demuxer, "|   |   |   = chapters at "I64Fd, i_pos );
3952                     i_chapters_position = segment->GetGlobalPosition( i_pos );
3953                 }
3954                 else if( id == KaxTags::ClassInfos.GlobalId )
3955                 {
3956                     msg_Dbg( &sys.demuxer, "|   |   |   = tags at "I64Fd, i_pos );
3957                     i_tags_position = segment->GetGlobalPosition( i_pos );
3958                 }
3959             }
3960         }
3961         else
3962         {
3963             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
3964         }
3965     }
3966 }
3967
3968 /*****************************************************************************
3969  * ParseTrackEntry:
3970  *****************************************************************************/
3971 void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
3972 {
3973     size_t i, j, k, n;
3974
3975     mkv_track_t *tk;
3976
3977     msg_Dbg( &sys.demuxer, "|   |   + Track Entry" );
3978
3979     tk = new mkv_track_t();
3980     tracks.push_back( tk );
3981
3982     /* Init the track */
3983     memset( tk, 0, sizeof( mkv_track_t ) );
3984
3985     es_format_Init( &tk->fmt, UNKNOWN_ES, 0 );
3986     tk->fmt.psz_language = strdup("English");
3987     tk->fmt.psz_description = NULL;
3988
3989     tk->b_default = VLC_TRUE;
3990     tk->b_enabled = VLC_TRUE;
3991     tk->b_silent = VLC_FALSE;
3992     tk->i_number = tracks.size() - 1;
3993     tk->i_extra_data = 0;
3994     tk->p_extra_data = NULL;
3995     tk->psz_codec = NULL;
3996     tk->i_default_duration = 0;
3997     tk->f_timecodescale = 1.0;
3998
3999     tk->b_inited = VLC_FALSE;
4000     tk->i_data_init = 0;
4001     tk->p_data_init = NULL;
4002
4003     tk->psz_codec_name = NULL;
4004     tk->psz_codec_settings = NULL;
4005     tk->psz_codec_info_url = NULL;
4006     tk->psz_codec_download_url = NULL;
4007
4008     tk->i_compression_type = MATROSKA_COMPRESSION_NONE;
4009
4010     for( i = 0; i < m->ListSize(); i++ )
4011     {
4012         EbmlElement *l = (*m)[i];
4013
4014         if( MKV_IS_ID( l, KaxTrackNumber ) )
4015         {
4016             KaxTrackNumber &tnum = *(KaxTrackNumber*)l;
4017
4018             tk->i_number = uint32( tnum );
4019             msg_Dbg( &sys.demuxer, "|   |   |   + Track Number=%u", uint32( tnum ) );
4020         }
4021         else  if( MKV_IS_ID( l, KaxTrackUID ) )
4022         {
4023             KaxTrackUID &tuid = *(KaxTrackUID*)l;
4024
4025             msg_Dbg( &sys.demuxer, "|   |   |   + Track UID=%u",  uint32( tuid ) );
4026         }
4027         else  if( MKV_IS_ID( l, KaxTrackType ) )
4028         {
4029             char *psz_type;
4030             KaxTrackType &ttype = *(KaxTrackType*)l;
4031
4032             switch( uint8(ttype) )
4033             {
4034                 case track_audio:
4035                     psz_type = "audio";
4036                     tk->fmt.i_cat = AUDIO_ES;
4037                     break;
4038                 case track_video:
4039                     psz_type = "video";
4040                     tk->fmt.i_cat = VIDEO_ES;
4041                     break;
4042                 case track_subtitle:
4043                     psz_type = "subtitle";
4044                     tk->fmt.i_cat = SPU_ES;
4045                     break;
4046                 case track_buttons:
4047                     psz_type = "buttons";
4048                     tk->fmt.i_cat = SPU_ES;
4049                     break;
4050                 default:
4051                     psz_type = "unknown";
4052                     tk->fmt.i_cat = UNKNOWN_ES;
4053                     break;
4054             }
4055
4056             msg_Dbg( &sys.demuxer, "|   |   |   + Track Type=%s", psz_type );
4057         }
4058 //        else  if( EbmlId( *l ) == KaxTrackFlagEnabled::ClassInfos.GlobalId )
4059 //        {
4060 //            KaxTrackFlagEnabled &fenb = *(KaxTrackFlagEnabled*)l;
4061
4062 //            tk->b_enabled = uint32( fenb );
4063 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Enabled=%u",
4064 //                     uint32( fenb )  );
4065 //        }
4066         else  if( MKV_IS_ID( l, KaxTrackFlagDefault ) )
4067         {
4068             KaxTrackFlagDefault &fdef = *(KaxTrackFlagDefault*)l;
4069
4070             tk->b_default = uint32( fdef );
4071             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default=%u", uint32( fdef )  );
4072         }
4073         else  if( MKV_IS_ID( l, KaxTrackFlagLacing ) )
4074         {
4075             KaxTrackFlagLacing &lac = *(KaxTrackFlagLacing*)l;
4076
4077             msg_Dbg( &sys.demuxer, "|   |   |   + Track Lacing=%d", uint32( lac ) );
4078         }
4079         else  if( MKV_IS_ID( l, KaxTrackMinCache ) )
4080         {
4081             KaxTrackMinCache &cmin = *(KaxTrackMinCache*)l;
4082
4083             msg_Dbg( &sys.demuxer, "|   |   |   + Track MinCache=%d", uint32( cmin ) );
4084         }
4085         else  if( MKV_IS_ID( l, KaxTrackMaxCache ) )
4086         {
4087             KaxTrackMaxCache &cmax = *(KaxTrackMaxCache*)l;
4088
4089             msg_Dbg( &sys.demuxer, "|   |   |   + Track MaxCache=%d", uint32( cmax ) );
4090         }
4091         else  if( MKV_IS_ID( l, KaxTrackDefaultDuration ) )
4092         {
4093             KaxTrackDefaultDuration &defd = *(KaxTrackDefaultDuration*)l;
4094
4095             tk->i_default_duration = uint64(defd);
4096             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default Duration="I64Fd, uint64(defd) );
4097         }
4098         else  if( MKV_IS_ID( l, KaxTrackTimecodeScale ) )
4099         {
4100             KaxTrackTimecodeScale &ttcs = *(KaxTrackTimecodeScale*)l;
4101
4102             tk->f_timecodescale = float( ttcs );
4103             msg_Dbg( &sys.demuxer, "|   |   |   + Track TimeCodeScale=%f", tk->f_timecodescale );
4104         }
4105         else if( MKV_IS_ID( l, KaxTrackName ) )
4106         {
4107             KaxTrackName &tname = *(KaxTrackName*)l;
4108
4109             tk->fmt.psz_description = ToUTF8( UTFstring( tname ) );
4110             msg_Dbg( &sys.demuxer, "|   |   |   + Track Name=%s", tk->fmt.psz_description );
4111         }
4112         else  if( MKV_IS_ID( l, KaxTrackLanguage ) )
4113         {
4114             KaxTrackLanguage &lang = *(KaxTrackLanguage*)l;
4115
4116             if ( tk->fmt.psz_language != NULL )
4117                 free( tk->fmt.psz_language );
4118             tk->fmt.psz_language = strdup( string( lang ).c_str() );
4119             msg_Dbg( &sys.demuxer,
4120                      "|   |   |   + Track Language=`%s'", tk->fmt.psz_language );
4121         }
4122         else  if( MKV_IS_ID( l, KaxCodecID ) )
4123         {
4124             KaxCodecID &codecid = *(KaxCodecID*)l;
4125
4126             tk->psz_codec = strdup( string( codecid ).c_str() );
4127             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecId=%s", string( codecid ).c_str() );
4128         }
4129         else  if( MKV_IS_ID( l, KaxCodecPrivate ) )
4130         {
4131             KaxCodecPrivate &cpriv = *(KaxCodecPrivate*)l;
4132
4133             tk->i_extra_data = cpriv.GetSize();
4134             if( tk->i_extra_data > 0 )
4135             {
4136                 tk->p_extra_data = (uint8_t*)malloc( tk->i_extra_data );
4137                 memcpy( tk->p_extra_data, cpriv.GetBuffer(), tk->i_extra_data );
4138             }
4139             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecPrivate size="I64Fd, cpriv.GetSize() );
4140         }
4141         else if( MKV_IS_ID( l, KaxCodecName ) )
4142         {
4143             KaxCodecName &cname = *(KaxCodecName*)l;
4144
4145             tk->psz_codec_name = ToUTF8( UTFstring( cname ) );
4146             msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Name=%s", tk->psz_codec_name );
4147         }
4148         else if( MKV_IS_ID( l, KaxContentEncodings ) )
4149         {
4150             EbmlMaster *cencs = static_cast<EbmlMaster*>(l);
4151             MkvTree( sys.demuxer, 3, "Content Encodings" );
4152             for( j = 0; j < cencs->ListSize(); j++ )
4153             {
4154                 EbmlElement *l2 = (*cencs)[j];
4155                 if( MKV_IS_ID( l2, KaxContentEncoding ) )
4156                 {
4157                     MkvTree( sys.demuxer, 4, "Content Encoding" );
4158                     EbmlMaster *cenc = static_cast<EbmlMaster*>(l2);
4159                     for( k = 0; k < cenc->ListSize(); k++ )
4160                     {
4161                         EbmlElement *l3 = (*cenc)[k];
4162                         if( MKV_IS_ID( l3, KaxContentEncodingOrder ) )
4163                         {
4164                             KaxContentEncodingOrder &encord = *(KaxContentEncodingOrder*)l3;
4165                             MkvTree( sys.demuxer, 5, "Order: %i", uint32( encord ) );
4166                         }
4167                         else if( MKV_IS_ID( l3, KaxContentEncodingScope ) )
4168                         {
4169                             KaxContentEncodingScope &encscope = *(KaxContentEncodingScope*)l3;
4170                             MkvTree( sys.demuxer, 5, "Scope: %i", uint32( encscope ) );
4171                         }
4172                         else if( MKV_IS_ID( l3, KaxContentEncodingType ) )
4173                         {
4174                             KaxContentEncodingType &enctype = *(KaxContentEncodingType*)l3;
4175                             MkvTree( sys.demuxer, 5, "Type: %i", uint32( enctype ) );
4176                         }
4177                         else if( MKV_IS_ID( l3, KaxContentCompression ) )
4178                         {
4179                             EbmlMaster *compr = static_cast<EbmlMaster*>(l3);
4180                             MkvTree( sys.demuxer, 5, "Content Compression" );
4181                             for( n = 0; n < compr->ListSize(); n++ )
4182                             {
4183                                 EbmlElement *l4 = (*compr)[n];
4184                                 if( MKV_IS_ID( l4, KaxContentCompAlgo ) )
4185                                 {
4186                                     KaxContentCompAlgo &compalg = *(KaxContentCompAlgo*)l4;
4187                                     MkvTree( sys.demuxer, 6, "Compression Algorithm: %i", uint32(compalg) );
4188                                     if( uint32( compalg ) == 0 )
4189                                     {
4190                                         tk->i_compression_type = MATROSKA_COMPRESSION_ZLIB;
4191                                     }
4192                                 }
4193                                 else
4194                                 {
4195                                     MkvTree( sys.demuxer, 6, "Unknown (%s)", typeid(*l4).name() );
4196                                 }
4197                             }
4198                         }
4199
4200                         else
4201                         {
4202                             MkvTree( sys.demuxer, 5, "Unknown (%s)", typeid(*l3).name() );
4203                         }
4204                     }
4205
4206                 }
4207                 else
4208                 {
4209                     MkvTree( sys.demuxer, 4, "Unknown (%s)", typeid(*l2).name() );
4210                 }
4211             }
4212
4213         }
4214 //        else if( EbmlId( *l ) == KaxCodecSettings::ClassInfos.GlobalId )
4215 //        {
4216 //            KaxCodecSettings &cset = *(KaxCodecSettings*)l;
4217
4218 //            tk->psz_codec_settings = ToUTF8( UTFstring( cset ) );
4219 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Settings=%s", tk->psz_codec_settings );
4220 //        }
4221 //        else if( EbmlId( *l ) == KaxCodecInfoURL::ClassInfos.GlobalId )
4222 //        {
4223 //            KaxCodecInfoURL &ciurl = *(KaxCodecInfoURL*)l;
4224
4225 //            tk->psz_codec_info_url = strdup( string( ciurl ).c_str() );
4226 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_info_url );
4227 //        }
4228 //        else if( EbmlId( *l ) == KaxCodecDownloadURL::ClassInfos.GlobalId )
4229 //        {
4230 //            KaxCodecDownloadURL &cdurl = *(KaxCodecDownloadURL*)l;
4231
4232 //            tk->psz_codec_download_url = strdup( string( cdurl ).c_str() );
4233 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_download_url );
4234 //        }
4235 //        else if( EbmlId( *l ) == KaxCodecDecodeAll::ClassInfos.GlobalId )
4236 //        {
4237 //            KaxCodecDecodeAll &cdall = *(KaxCodecDecodeAll*)l;
4238
4239 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Decode All=%u <== UNUSED", uint8( cdall ) );
4240 //        }
4241 //        else if( EbmlId( *l ) == KaxTrackOverlay::ClassInfos.GlobalId )
4242 //        {
4243 //            KaxTrackOverlay &tovr = *(KaxTrackOverlay*)l;
4244
4245 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Overlay=%u <== UNUSED", uint32( tovr ) );
4246 //        }
4247         else  if( MKV_IS_ID( l, KaxTrackVideo ) )
4248         {
4249             EbmlMaster *tkv = static_cast<EbmlMaster*>(l);
4250             unsigned int j;
4251
4252             msg_Dbg( &sys.demuxer, "|   |   |   + Track Video" );
4253             tk->f_fps = 0.0;
4254
4255             tk->fmt.video.i_frame_rate_base = (unsigned int)(tk->i_default_duration / 1000);
4256             tk->fmt.video.i_frame_rate = 1000000;
4257
4258             for( j = 0; j < tkv->ListSize(); j++ )
4259             {
4260                 EbmlElement *l = (*tkv)[j];
4261 //                if( EbmlId( *el4 ) == KaxVideoFlagInterlaced::ClassInfos.GlobalId )
4262 //                {
4263 //                    KaxVideoFlagInterlaced &fint = *(KaxVideoFlagInterlaced*)el4;
4264
4265 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Interlaced=%u", uint8( fint ) );
4266 //                }
4267 //                else if( EbmlId( *el4 ) == KaxVideoStereoMode::ClassInfos.GlobalId )
4268 //                {
4269 //                    KaxVideoStereoMode &stereo = *(KaxVideoStereoMode*)el4;
4270
4271 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Stereo Mode=%u", uint8( stereo ) );
4272 //                }
4273 //                else
4274                 if( MKV_IS_ID( l, KaxVideoPixelWidth ) )
4275                 {
4276                     KaxVideoPixelWidth &vwidth = *(KaxVideoPixelWidth*)l;
4277
4278                     tk->fmt.video.i_width = uint16( vwidth );
4279                     msg_Dbg( &sys.demuxer, "|   |   |   |   + width=%d", uint16( vwidth ) );
4280                 }
4281                 else if( MKV_IS_ID( l, KaxVideoPixelHeight ) )
4282                 {
4283                     KaxVideoPixelWidth &vheight = *(KaxVideoPixelWidth*)l;
4284
4285                     tk->fmt.video.i_height = uint16( vheight );
4286                     msg_Dbg( &sys.demuxer, "|   |   |   |   + height=%d", uint16( vheight ) );
4287                 }
4288                 else if( MKV_IS_ID( l, KaxVideoDisplayWidth ) )
4289                 {
4290                     KaxVideoDisplayWidth &vwidth = *(KaxVideoDisplayWidth*)l;
4291
4292                     tk->fmt.video.i_visible_width = uint16( vwidth );
4293                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display width=%d", uint16( vwidth ) );
4294                 }
4295                 else if( MKV_IS_ID( l, KaxVideoDisplayHeight ) )
4296                 {
4297                     KaxVideoDisplayWidth &vheight = *(KaxVideoDisplayWidth*)l;
4298
4299                     tk->fmt.video.i_visible_height = uint16( vheight );
4300                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display height=%d", uint16( vheight ) );
4301                 }
4302                 else if( MKV_IS_ID( l, KaxVideoFrameRate ) )
4303                 {
4304                     KaxVideoFrameRate &vfps = *(KaxVideoFrameRate*)l;
4305
4306                     tk->f_fps = float( vfps );
4307                     msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( vfps ) );
4308                 }
4309 //                else if( EbmlId( *l ) == KaxVideoDisplayUnit::ClassInfos.GlobalId )
4310 //                {
4311 //                     KaxVideoDisplayUnit &vdmode = *(KaxVideoDisplayUnit*)l;
4312
4313 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Display Unit=%s",
4314 //                             uint8( vdmode ) == 0 ? "pixels" : ( uint8( vdmode ) == 1 ? "centimeters": "inches" ) );
4315 //                }
4316 //                else if( EbmlId( *l ) == KaxVideoAspectRatio::ClassInfos.GlobalId )
4317 //                {
4318 //                    KaxVideoAspectRatio &ratio = *(KaxVideoAspectRatio*)l;
4319
4320 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + Track Video Aspect Ratio Type=%u", uint8( ratio ) );
4321 //                }
4322 //                else if( EbmlId( *l ) == KaxVideoGamma::ClassInfos.GlobalId )
4323 //                {
4324 //                    KaxVideoGamma &gamma = *(KaxVideoGamma*)l;
4325
4326 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( gamma ) );
4327 //                }
4328                 else
4329                 {
4330                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4331                 }
4332             }
4333             if ( tk->fmt.video.i_visible_height && tk->fmt.video.i_visible_width )
4334                 tk->fmt.video.i_aspect = VOUT_ASPECT_FACTOR * tk->fmt.video.i_visible_width / tk->fmt.video.i_visible_height;
4335         }
4336         else  if( MKV_IS_ID( l, KaxTrackAudio ) )
4337         {
4338             EbmlMaster *tka = static_cast<EbmlMaster*>(l);
4339             unsigned int j;
4340
4341             msg_Dbg( &sys.demuxer, "|   |   |   + Track Audio" );
4342
4343             for( j = 0; j < tka->ListSize(); j++ )
4344             {
4345                 EbmlElement *l = (*tka)[j];
4346
4347                 if( MKV_IS_ID( l, KaxAudioSamplingFreq ) )
4348                 {
4349                     KaxAudioSamplingFreq &afreq = *(KaxAudioSamplingFreq*)l;
4350
4351                     tk->fmt.audio.i_rate = (int)float( afreq );
4352                     msg_Dbg( &sys.demuxer, "|   |   |   |   + afreq=%d", tk->fmt.audio.i_rate );
4353                 }
4354                 else if( MKV_IS_ID( l, KaxAudioChannels ) )
4355                 {
4356                     KaxAudioChannels &achan = *(KaxAudioChannels*)l;
4357
4358                     tk->fmt.audio.i_channels = uint8( achan );
4359                     msg_Dbg( &sys.demuxer, "|   |   |   |   + achan=%u", uint8( achan ) );
4360                 }
4361                 else if( MKV_IS_ID( l, KaxAudioBitDepth ) )
4362                 {
4363                     KaxAudioBitDepth &abits = *(KaxAudioBitDepth*)l;
4364
4365                     tk->fmt.audio.i_bitspersample = uint8( abits );
4366                     msg_Dbg( &sys.demuxer, "|   |   |   |   + abits=%u", uint8( abits ) );
4367                 }
4368                 else
4369                 {
4370                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4371                 }
4372             }
4373         }
4374         else
4375         {
4376             msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)",
4377                      typeid(*l).name() );
4378         }
4379     }
4380 }
4381
4382 /*****************************************************************************
4383  * ParseTracks:
4384  *****************************************************************************/
4385 void matroska_segment_c::ParseTracks( KaxTracks *tracks )
4386 {
4387     EbmlElement *el;
4388     unsigned int i;
4389     int i_upper_level = 0;
4390
4391     msg_Dbg( &sys.demuxer, "|   + Tracks" );
4392
4393     /* Master elements */
4394     tracks->Read( es, tracks->Generic().Context, i_upper_level, el, true );
4395
4396     for( i = 0; i < tracks->ListSize(); i++ )
4397     {
4398         EbmlElement *l = (*tracks)[i];
4399
4400         if( MKV_IS_ID( l, KaxTrackEntry ) )
4401         {
4402             ParseTrackEntry( static_cast<KaxTrackEntry *>(l) );
4403         }
4404         else
4405         {
4406             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4407         }
4408     }
4409 }
4410
4411 /*****************************************************************************
4412  * ParseInfo:
4413  *****************************************************************************/
4414 void matroska_segment_c::ParseInfo( KaxInfo *info )
4415 {
4416     EbmlElement *el;
4417     EbmlMaster  *m;
4418     size_t i, j;
4419     int i_upper_level = 0;
4420
4421     msg_Dbg( &sys.demuxer, "|   + Information" );
4422
4423     /* Master elements */
4424     m = static_cast<EbmlMaster *>(info);
4425     m->Read( es, info->Generic().Context, i_upper_level, el, true );
4426
4427     for( i = 0; i < m->ListSize(); i++ )
4428     {
4429         EbmlElement *l = (*m)[i];
4430
4431         if( MKV_IS_ID( l, KaxSegmentUID ) )
4432         {
4433             if ( p_segment_uid == NULL )
4434                 p_segment_uid = new KaxSegmentUID(*static_cast<KaxSegmentUID*>(l));
4435
4436             msg_Dbg( &sys.demuxer, "|   |   + UID=%d", *(uint32*)p_segment_uid->GetBuffer() );
4437         }
4438         else if( MKV_IS_ID( l, KaxPrevUID ) )
4439         {
4440             if ( p_prev_segment_uid == NULL )
4441                 p_prev_segment_uid = new KaxPrevUID(*static_cast<KaxPrevUID*>(l));
4442
4443             msg_Dbg( &sys.demuxer, "|   |   + PrevUID=%d", *(uint32*)p_prev_segment_uid->GetBuffer() );
4444         }
4445         else if( MKV_IS_ID( l, KaxNextUID ) )
4446         {
4447             if ( p_next_segment_uid == NULL )
4448                 p_next_segment_uid = new KaxNextUID(*static_cast<KaxNextUID*>(l));
4449
4450             msg_Dbg( &sys.demuxer, "|   |   + NextUID=%d", *(uint32*)p_next_segment_uid->GetBuffer() );
4451         }
4452         else if( MKV_IS_ID( l, KaxTimecodeScale ) )
4453         {
4454             KaxTimecodeScale &tcs = *(KaxTimecodeScale*)l;
4455
4456             i_timescale = uint64(tcs);
4457
4458             msg_Dbg( &sys.demuxer, "|   |   + TimecodeScale="I64Fd,
4459                      i_timescale );
4460         }
4461         else if( MKV_IS_ID( l, KaxDuration ) )
4462         {
4463             KaxDuration &dur = *(KaxDuration*)l;
4464
4465             i_duration = mtime_t( double( dur ) );
4466
4467             msg_Dbg( &sys.demuxer, "|   |   + Duration="I64Fd,
4468                      i_duration );
4469         }
4470         else if( MKV_IS_ID( l, KaxMuxingApp ) )
4471         {
4472             KaxMuxingApp &mapp = *(KaxMuxingApp*)l;
4473
4474             psz_muxing_application = ToUTF8( UTFstring( mapp ) );
4475
4476             msg_Dbg( &sys.demuxer, "|   |   + Muxing Application=%s",
4477                      psz_muxing_application );
4478         }
4479         else if( MKV_IS_ID( l, KaxWritingApp ) )
4480         {
4481             KaxWritingApp &wapp = *(KaxWritingApp*)l;
4482
4483             psz_writing_application = ToUTF8( UTFstring( wapp ) );
4484
4485             msg_Dbg( &sys.demuxer, "|   |   + Writing Application=%s",
4486                      psz_writing_application );
4487         }
4488         else if( MKV_IS_ID( l, KaxSegmentFilename ) )
4489         {
4490             KaxSegmentFilename &sfn = *(KaxSegmentFilename*)l;
4491
4492             psz_segment_filename = ToUTF8( UTFstring( sfn ) );
4493
4494             msg_Dbg( &sys.demuxer, "|   |   + Segment Filename=%s",
4495                      psz_segment_filename );
4496         }
4497         else if( MKV_IS_ID( l, KaxTitle ) )
4498         {
4499             KaxTitle &title = *(KaxTitle*)l;
4500
4501             psz_title = ToUTF8( UTFstring( title ) );
4502
4503             msg_Dbg( &sys.demuxer, "|   |   + Title=%s", psz_title );
4504         }
4505         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
4506         {
4507             KaxSegmentFamily *uid = static_cast<KaxSegmentFamily*>(l);
4508
4509             families.push_back( new KaxSegmentFamily(*uid) );
4510
4511             msg_Dbg( &sys.demuxer, "|   |   + family=%d", *(uint32*)uid->GetBuffer() );
4512         }
4513 #if defined( HAVE_GMTIME_R ) && !defined( SYS_DARWIN )
4514         else if( MKV_IS_ID( l, KaxDateUTC ) )
4515         {
4516             KaxDateUTC &date = *(KaxDateUTC*)l;
4517             time_t i_date;
4518             struct tm tmres;
4519             char   buffer[256];
4520
4521             i_date = date.GetEpochDate();
4522             memset( buffer, 0, 256 );
4523             if( gmtime_r( &i_date, &tmres ) &&
4524                 asctime_r( &tmres, buffer ) )
4525             {
4526                 buffer[strlen( buffer)-1]= '\0';
4527                 psz_date_utc = strdup( buffer );
4528                 msg_Dbg( &sys.demuxer, "|   |   + Date=%s", psz_date_utc );
4529             }
4530         }
4531 #endif
4532 #if LIBMATROSKA_VERSION >= 0x000704
4533         else if( MKV_IS_ID( l, KaxChapterTranslate ) )
4534         {
4535             KaxChapterTranslate *p_trans = static_cast<KaxChapterTranslate*>( l );
4536             chapter_translation_c *p_translate = new chapter_translation_c();
4537
4538             p_trans->Read( es, p_trans->Generic().Context, i_upper_level, el, true );
4539             for( j = 0; j < p_trans->ListSize(); j++ )
4540             {
4541                 EbmlElement *l = (*p_trans)[j];
4542
4543                 if( MKV_IS_ID( l, KaxChapterTranslateEditionUID ) )
4544                 {
4545                     p_translate->editions.push_back( uint64( *static_cast<KaxChapterTranslateEditionUID*>( l ) ) );
4546                 }
4547                 else if( MKV_IS_ID( l, KaxChapterTranslateCodec ) )
4548                 {
4549                     p_translate->codec_id = uint32( *static_cast<KaxChapterTranslateCodec*>( l ) );
4550                 }
4551                 else if( MKV_IS_ID( l, KaxChapterTranslateID ) )
4552                 {
4553                     p_translate->p_translated = new KaxChapterTranslateID( *static_cast<KaxChapterTranslateID*>( l ) );
4554                 }
4555             }
4556
4557             translations.push_back( p_translate );
4558         }
4559 #endif
4560         else
4561         {
4562             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4563         }
4564     }
4565
4566     double f_dur = double(i_duration) * double(i_timescale) / 1000000.0;
4567     i_duration = mtime_t(f_dur);
4568 }
4569
4570
4571 /*****************************************************************************
4572  * ParseChapterAtom
4573  *****************************************************************************/
4574 void matroska_segment_c::ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters )
4575 {
4576     size_t i, j;
4577
4578     msg_Dbg( &sys.demuxer, "|   |   |   + ChapterAtom (level=%d)", i_level );
4579     for( i = 0; i < ca->ListSize(); i++ )
4580     {
4581         EbmlElement *l = (*ca)[i];
4582
4583         if( MKV_IS_ID( l, KaxChapterUID ) )
4584         {
4585             chapters.i_uid = uint64_t(*(KaxChapterUID*)l);
4586             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterUID: %lld", chapters.i_uid );
4587         }
4588         else if( MKV_IS_ID( l, KaxChapterFlagHidden ) )
4589         {
4590             KaxChapterFlagHidden &flag =*(KaxChapterFlagHidden*)l;
4591             chapters.b_display_seekpoint = uint8( flag ) == 0;
4592
4593             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterFlagHidden: %s", chapters.b_display_seekpoint ? "no":"yes" );
4594         }
4595         else if( MKV_IS_ID( l, KaxChapterTimeStart ) )
4596         {
4597             KaxChapterTimeStart &start =*(KaxChapterTimeStart*)l;
4598             chapters.i_start_time = uint64( start ) / I64C(1000);
4599
4600             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeStart: %lld", chapters.i_start_time );
4601         }
4602         else if( MKV_IS_ID( l, KaxChapterTimeEnd ) )
4603         {
4604             KaxChapterTimeEnd &end =*(KaxChapterTimeEnd*)l;
4605             chapters.i_end_time = uint64( end ) / I64C(1000);
4606
4607             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeEnd: %lld", chapters.i_end_time );
4608         }
4609         else if( MKV_IS_ID( l, KaxChapterDisplay ) )
4610         {
4611             EbmlMaster *cd = static_cast<EbmlMaster *>(l);
4612
4613             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterDisplay" );
4614             for( j = 0; j < cd->ListSize(); j++ )
4615             {
4616                 EbmlElement *l= (*cd)[j];
4617
4618                 if( MKV_IS_ID( l, KaxChapterString ) )
4619                 {
4620                     int k;
4621
4622                     KaxChapterString &name =*(KaxChapterString*)l;
4623                     for (k = 0; k < i_level; k++)
4624                         chapters.psz_name += '+';
4625                     chapters.psz_name += ' ';
4626                     char *psz_tmp_utf8 = ToUTF8( UTFstring( name ) );
4627                     chapters.psz_name += psz_tmp_utf8;
4628                     chapters.b_user_display = true;
4629
4630                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterString '%s'", psz_tmp_utf8 );
4631                     free( psz_tmp_utf8 );
4632                 }
4633                 else if( MKV_IS_ID( l, KaxChapterLanguage ) )
4634                 {
4635                     KaxChapterLanguage &lang =*(KaxChapterLanguage*)l;
4636                     const char *psz = string( lang ).c_str();
4637
4638                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterLanguage '%s'", psz );
4639                 }
4640                 else if( MKV_IS_ID( l, KaxChapterCountry ) )
4641                 {
4642                     KaxChapterCountry &ct =*(KaxChapterCountry*)l;
4643                     const char *psz = string( ct ).c_str();
4644
4645                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterCountry '%s'", psz );
4646                 }
4647             }
4648         }
4649         else if( MKV_IS_ID( l, KaxChapterProcess ) )
4650         {
4651             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterProcess" );
4652
4653             KaxChapterProcess *cp = static_cast<KaxChapterProcess *>(l);
4654             chapter_codec_cmds_c *p_ccodec = NULL;
4655
4656             for( j = 0; j < cp->ListSize(); j++ )
4657             {
4658                 EbmlElement *k= (*cp)[j];
4659
4660                 if( MKV_IS_ID( k, KaxChapterProcessCodecID ) )
4661                 {
4662                     KaxChapterProcessCodecID *p_codec_id = static_cast<KaxChapterProcessCodecID*>( k );
4663                     if ( uint32(*p_codec_id) == 0 )
4664                         p_ccodec = new matroska_script_codec_c( sys );
4665                     else if ( uint32(*p_codec_id) == 1 )
4666                         p_ccodec = new dvd_chapter_codec_c( sys );
4667                     break;
4668                 }
4669             }
4670
4671             if ( p_ccodec != NULL )
4672             {
4673                 for( j = 0; j < cp->ListSize(); j++ )
4674                 {
4675                     EbmlElement *k= (*cp)[j];
4676
4677                     if( MKV_IS_ID( k, KaxChapterProcessPrivate ) )
4678                     {
4679                         KaxChapterProcessPrivate * p_private = static_cast<KaxChapterProcessPrivate*>( k );
4680                         p_ccodec->SetPrivate( *p_private );
4681                     }
4682                     else if( MKV_IS_ID( k, KaxChapterProcessCommand ) )
4683                     {
4684                         p_ccodec->AddCommand( *static_cast<KaxChapterProcessCommand*>( k ) );
4685                     }
4686                 }
4687                 chapters.codecs.push_back( p_ccodec );
4688             }
4689         }
4690         else if( MKV_IS_ID( l, KaxChapterAtom ) )
4691         {
4692             chapter_item_c *new_sub_chapter = new chapter_item_c();
4693             ParseChapterAtom( i_level+1, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4694             new_sub_chapter->psz_parent = &chapters;
4695             chapters.sub_chapters.push_back( new_sub_chapter );
4696         }
4697     }
4698 }
4699
4700 /*****************************************************************************
4701  * ParseChapters:
4702  *****************************************************************************/
4703 void matroska_segment_c::ParseChapters( KaxChapters *chapters )
4704 {
4705     EbmlElement *el;
4706     size_t i;
4707     int i_upper_level = 0;
4708     mtime_t i_dur;
4709
4710     /* Master elements */
4711     chapters->Read( es, chapters->Generic().Context, i_upper_level, el, true );
4712
4713     for( i = 0; i < chapters->ListSize(); i++ )
4714     {
4715         EbmlElement *l = (*chapters)[i];
4716
4717         if( MKV_IS_ID( l, KaxEditionEntry ) )
4718         {
4719             chapter_edition_c *p_edition = new chapter_edition_c();
4720
4721             EbmlMaster *E = static_cast<EbmlMaster *>(l );
4722             size_t j;
4723             msg_Dbg( &sys.demuxer, "|   |   + EditionEntry" );
4724             for( j = 0; j < E->ListSize(); j++ )
4725             {
4726                 EbmlElement *l = (*E)[j];
4727
4728                 if( MKV_IS_ID( l, KaxChapterAtom ) )
4729                 {
4730                     chapter_item_c *new_sub_chapter = new chapter_item_c();
4731                     ParseChapterAtom( 0, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4732                     p_edition->sub_chapters.push_back( new_sub_chapter );
4733                 }
4734                 else if( MKV_IS_ID( l, KaxEditionUID ) )
4735                 {
4736                     p_edition->i_uid = uint64(*static_cast<KaxEditionUID *>( l ));
4737                 }
4738                 else if( MKV_IS_ID( l, KaxEditionFlagOrdered ) )
4739                 {
4740                     p_edition->b_ordered = config_GetInt( &sys.demuxer, "mkv-use-ordered-chapters" ) ? (uint8(*static_cast<KaxEditionFlagOrdered *>( l )) != 0) : 0;
4741                 }
4742                 else if( MKV_IS_ID( l, KaxEditionFlagDefault ) )
4743                 {
4744                     if (uint8(*static_cast<KaxEditionFlagDefault *>( l )) != 0)
4745                         i_default_edition = stored_editions.size();
4746                 }
4747                 else
4748                 {
4749                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
4750                 }
4751             }
4752             stored_editions.push_back( p_edition );
4753         }
4754         else
4755         {
4756             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4757         }
4758     }
4759
4760     for( i = 0; i < stored_editions.size(); i++ )
4761     {
4762         stored_editions[i]->RefreshChapters( );
4763     }
4764
4765     if ( stored_editions.size() != 0 && stored_editions[i_default_edition]->b_ordered )
4766     {
4767         /* update the duration of the segment according to the sum of all sub chapters */
4768         i_dur = stored_editions[i_default_edition]->Duration() / I64C(1000);
4769         if (i_dur > 0)
4770             i_duration = i_dur;
4771     }
4772 }
4773
4774 void matroska_segment_c::ParseCluster( )
4775 {
4776     EbmlElement *el;
4777     EbmlMaster  *m;
4778     unsigned int i;
4779     int i_upper_level = 0;
4780
4781     /* Master elements */
4782     m = static_cast<EbmlMaster *>( cluster );
4783     m->Read( es, cluster->Generic().Context, i_upper_level, el, true );
4784
4785     for( i = 0; i < m->ListSize(); i++ )
4786     {
4787         EbmlElement *l = (*m)[i];
4788
4789         if( MKV_IS_ID( l, KaxClusterTimecode ) )
4790         {
4791             KaxClusterTimecode &ctc = *(KaxClusterTimecode*)l;
4792
4793             cluster->InitTimecode( uint64( ctc ), i_timescale );
4794             break;
4795         }
4796     }
4797
4798     i_start_time = cluster->GlobalTimecode() / 1000;
4799 }
4800
4801 /*****************************************************************************
4802  * InformationCreate:
4803  *****************************************************************************/
4804 void matroska_segment_c::InformationCreate( )
4805 {
4806     size_t      i_track;
4807
4808     sys.meta = vlc_meta_New();
4809
4810     if( psz_title )
4811     {
4812         vlc_meta_Add( sys.meta, VLC_META_TITLE, psz_title );
4813     }
4814     if( psz_date_utc )
4815     {
4816         vlc_meta_Add( sys.meta, VLC_META_DATE, psz_date_utc );
4817     }
4818     if( psz_segment_filename )
4819     {
4820         vlc_meta_Add( sys.meta, _("Segment filename"), psz_segment_filename );
4821     }
4822     if( psz_muxing_application )
4823     {
4824         vlc_meta_Add( sys.meta, _("Muxing application"), psz_muxing_application );
4825     }
4826     if( psz_writing_application )
4827     {
4828         vlc_meta_Add( sys.meta, _("Writing application"), psz_writing_application );
4829     }
4830
4831     for( i_track = 0; i_track < tracks.size(); i_track++ )
4832     {
4833         mkv_track_t *tk = tracks[i_track];
4834         vlc_meta_t *mtk = vlc_meta_New();
4835
4836         sys.meta->track = (vlc_meta_t**)realloc( sys.meta->track,
4837                                                     sizeof( vlc_meta_t * ) * ( sys.meta->i_track + 1 ) );
4838         sys.meta->track[sys.meta->i_track++] = mtk;
4839
4840         if( tk->fmt.psz_description )
4841         {
4842             vlc_meta_Add( sys.meta, VLC_META_DESCRIPTION, tk->fmt.psz_description );
4843         }
4844         if( tk->psz_codec_name )
4845         {
4846             vlc_meta_Add( sys.meta, VLC_META_CODEC_NAME, tk->psz_codec_name );
4847         }
4848         if( tk->psz_codec_settings )
4849         {
4850             vlc_meta_Add( sys.meta, VLC_META_SETTING, tk->psz_codec_settings );
4851         }
4852         if( tk->psz_codec_info_url )
4853         {
4854             vlc_meta_Add( sys.meta, VLC_META_CODEC_DESCRIPTION, tk->psz_codec_info_url );
4855         }
4856         if( tk->psz_codec_download_url )
4857         {
4858             vlc_meta_Add( sys.meta, VLC_META_URL, tk->psz_codec_download_url );
4859         }
4860     }
4861
4862     if( i_tags_position >= 0 )
4863     {
4864         vlc_bool_t b_seekable;
4865
4866         stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
4867         if( b_seekable )
4868         {
4869             LoadTags( );
4870         }
4871     }
4872 }
4873
4874
4875 /*****************************************************************************
4876  * Divers
4877  *****************************************************************************/
4878
4879 void matroska_segment_c::IndexAppendCluster( KaxCluster *cluster )
4880 {
4881 #define idx p_indexes[i_index]
4882     idx.i_track       = -1;
4883     idx.i_block_number= -1;
4884     idx.i_position    = cluster->GetElementPosition();
4885     idx.i_time        = -1;
4886     idx.b_key         = VLC_TRUE;
4887
4888     i_index++;
4889     if( i_index >= i_index_max )
4890     {
4891         i_index_max += 1024;
4892         p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
4893     }
4894 #undef idx
4895 }
4896
4897 void chapter_edition_c::RefreshChapters( )
4898 {
4899     chapter_item_c::RefreshChapters( b_ordered, -1 );
4900     b_display_seekpoint = false;
4901 }
4902
4903 int64_t chapter_item_c::RefreshChapters( bool b_ordered, int64_t i_prev_user_time )
4904 {
4905     int64_t i_user_time = i_prev_user_time;
4906
4907     // first the sub-chapters, and then ourself
4908     std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
4909     while ( index != sub_chapters.end() )
4910     {
4911         i_user_time = (*index)->RefreshChapters( b_ordered, i_user_time );
4912         index++;
4913     }
4914
4915     if ( b_ordered )
4916     {
4917         // the ordered chapters always start at zero
4918         if ( i_prev_user_time == -1 )
4919         {
4920             if ( i_user_time == -1 )
4921                 i_user_time = 0;
4922             i_prev_user_time = 0;
4923         }
4924
4925         i_user_start_time = i_prev_user_time;
4926         if ( i_end_time != -1 && i_user_time == i_prev_user_time )
4927         {
4928             i_user_end_time = i_user_start_time - i_start_time + i_end_time;
4929         }
4930         else
4931         {
4932             i_user_end_time = i_user_time;
4933         }
4934     }
4935     else
4936     {
4937         if ( sub_chapters.begin() != sub_chapters.end() )
4938             std::sort( sub_chapters.begin(), sub_chapters.end(), chapter_item_c::CompareTimecode );
4939         i_user_start_time = i_start_time;
4940         if ( i_end_time != -1 )
4941             i_user_end_time = i_end_time;
4942         else if ( i_user_time != -1 )
4943             i_user_end_time = i_user_time;
4944         else
4945             i_user_end_time = i_user_start_time;
4946     }
4947
4948     return i_user_end_time;
4949 }
4950
4951 mtime_t chapter_edition_c::Duration() const
4952 {
4953     mtime_t i_result = 0;
4954
4955     if ( sub_chapters.size() )
4956     {
4957         std::vector<chapter_item_c*>::const_iterator index = sub_chapters.end();
4958         index--;
4959         i_result = (*index)->i_user_end_time;
4960     }
4961
4962     return i_result;
4963 }
4964
4965 chapter_item_c * chapter_edition_c::FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current )
4966 {
4967     if ( !b_ordered )
4968         p_current = NULL;
4969     bool b_found_current = false;
4970     return chapter_item_c::FindTimecode( i_timecode, p_current, b_found_current );
4971 }
4972
4973 chapter_item_c *chapter_item_c::FindTimecode( mtime_t i_user_timecode, const chapter_item_c * p_current, bool & b_found )
4974 {
4975     chapter_item_c *psz_result = NULL;
4976
4977     if ( p_current == this )
4978         b_found = true;
4979
4980     if ( i_user_timecode >= i_user_start_time &&
4981         ( i_user_timecode < i_user_end_time ||
4982           ( i_user_start_time == i_user_end_time && i_user_timecode == i_user_end_time )))
4983     {
4984         std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
4985         while ( index != sub_chapters.end() && ((p_current == NULL && psz_result == NULL) || (p_current != NULL && (!b_found || psz_result == NULL))))
4986         {
4987             psz_result = (*index)->FindTimecode( i_user_timecode, p_current, b_found );
4988             index++;
4989         }
4990
4991         if ( psz_result == NULL )
4992             psz_result = this;
4993     }
4994
4995     return psz_result;
4996 }
4997
4998 bool chapter_item_c::ParentOf( const chapter_item_c & item ) const
4999 {
5000     if ( &item == this )
5001         return true;
5002
5003     std::vector<chapter_item_c*>::const_iterator index = sub_chapters.begin();
5004     while ( index != sub_chapters.end() )
5005     {
5006         if ( (*index)->ParentOf( item ) )
5007             return true;
5008         index++;
5009     }
5010
5011     return false;
5012 }
5013
5014 void demux_sys_t::PreloadFamily( const matroska_segment_c & of_segment )
5015 {
5016     for (size_t i=0; i<opened_segments.size(); i++)
5017     {
5018         opened_segments[i]->PreloadFamily( of_segment );
5019     }
5020 }
5021 bool matroska_segment_c::PreloadFamily( const matroska_segment_c & of_segment )
5022 {
5023     if ( b_preloaded )
5024         return false;
5025
5026     for (size_t i=0; i<families.size(); i++)
5027     {
5028         for (size_t j=0; j<of_segment.families.size(); j++)
5029         {
5030             if ( *(families[i]) == *(of_segment.families[j]) )
5031                 return Preload( );
5032         }
5033     }
5034
5035     return false;
5036 }
5037
5038 // preload all the linked segments for all preloaded segments
5039 void demux_sys_t::PreloadLinked( matroska_segment_c *p_segment )
5040 {
5041     size_t i_preloaded, i, j;
5042     virtual_segment_c *p_seg;
5043
5044     p_current_segment = VirtualFromSegments( p_segment );
5045
5046     used_segments.push_back( p_current_segment );
5047
5048     // create all the other virtual segments of the family
5049     do {
5050         i_preloaded = 0;
5051         for ( i=0; i< opened_segments.size(); i++ )
5052         {
5053             if ( opened_segments[i]->b_preloaded && !IsUsedSegment( *opened_segments[i] ) )
5054             {
5055                 p_seg = VirtualFromSegments( opened_segments[i] );
5056                 used_segments.push_back( p_seg );
5057                 i_preloaded++;
5058             }
5059         }
5060     } while ( i_preloaded ); // worst case: will stop when all segments are found as family related
5061
5062     // publish all editions of all usable segment
5063     for ( i=0; i< used_segments.size(); i++ )
5064     {
5065         p_seg = used_segments[i];
5066         if ( p_seg->p_editions != NULL )
5067         {
5068             std::string sz_name;
5069             input_title_t *p_title = vlc_input_title_New();
5070             p_seg->i_sys_title = i;
5071             int i_chapters;
5072
5073             // TODO use a name for each edition, let the TITLE deal with a codec name
5074             for ( j=0; j<p_seg->p_editions->size(); j++ )
5075             {
5076                 if ( p_title->psz_name == NULL )
5077                 {
5078                     sz_name = (*p_seg->p_editions)[j]->GetMainName();
5079                     if ( sz_name != "" )
5080                         p_title->psz_name = strdup( sz_name.c_str() );
5081                 }
5082
5083                 chapter_edition_c *p_edition = (*p_seg->p_editions)[j];
5084
5085                 i_chapters = 0;
5086                 p_edition->PublishChapters( *p_title, i_chapters, 0 );
5087             }
5088
5089             // create a name if there is none
5090             if ( p_title->psz_name == NULL )
5091             {
5092                 sz_name = N_("Segment ");
5093                 char psz_str[6];
5094                 sprintf( psz_str, "%d", (int)i );
5095                 sz_name += psz_str;
5096                 p_title->psz_name = strdup( sz_name.c_str() );
5097             }
5098
5099             titles.push_back( p_title );
5100         }
5101     }
5102
5103     // TODO decide which segment should be first used (VMG for DVD)
5104 }
5105
5106 bool demux_sys_t::IsUsedSegment( matroska_segment_c &segment ) const
5107 {
5108     for ( size_t i=0; i< used_segments.size(); i++ )
5109     {
5110         if ( used_segments[i]->FindUID( *segment.p_segment_uid ) )
5111             return true;
5112     }
5113     return false;
5114 }
5115
5116 virtual_segment_c *demux_sys_t::VirtualFromSegments( matroska_segment_c *p_segment ) const
5117 {
5118     size_t i_preloaded, i;
5119
5120     virtual_segment_c *p_result = new virtual_segment_c( p_segment );
5121
5122     // fill our current virtual segment with all hard linked segments
5123     do {
5124         i_preloaded = 0;
5125         for ( i=0; i< opened_segments.size(); i++ )
5126         {
5127             i_preloaded += p_result->AddSegment( opened_segments[i] );
5128         }
5129     } while ( i_preloaded ); // worst case: will stop when all segments are found as linked
5130
5131     p_result->Sort( );
5132
5133     p_result->PreloadLinked( );
5134
5135     p_result->PrepareChapters( );
5136
5137     return p_result;
5138 }
5139
5140 bool demux_sys_t::PreparePlayback( virtual_segment_c *p_new_segment )
5141 {
5142     if ( p_new_segment != NULL && p_new_segment != p_current_segment )
5143     {
5144         if ( p_current_segment != NULL && p_current_segment->Segment() != NULL )
5145             p_current_segment->Segment()->UnSelect();
5146
5147         p_current_segment = p_new_segment;
5148         i_current_title = p_new_segment->i_sys_title;
5149     }
5150
5151     p_current_segment->LoadCues();
5152     f_duration = p_current_segment->Duration();
5153
5154     /* add information */
5155     p_current_segment->Segment()->InformationCreate( );
5156
5157     p_current_segment->Segment()->Select( 0 );
5158
5159     return true;
5160 }
5161
5162 void demux_sys_t::JumpTo( virtual_segment_c & vsegment, chapter_item_c * p_chapter )
5163 {
5164     // if the segment is not part of the current segment, select the new one
5165     if ( &vsegment != p_current_segment )
5166     {
5167         PreparePlayback( &vsegment );
5168     }
5169
5170     if ( p_chapter != NULL )
5171     {
5172         if ( !p_chapter->Enter( true ) )
5173         {
5174             // jump to the location in the found segment
5175             vsegment.Seek( demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5176         }
5177     }
5178
5179 }
5180
5181 bool matroska_segment_c::CompareSegmentUIDs( const matroska_segment_c * p_item_a, const matroska_segment_c * p_item_b )
5182 {
5183     if ( p_item_a == NULL || p_item_b == NULL )
5184         return false;
5185
5186     EbmlBinary * p_itema = (EbmlBinary *)(p_item_a->p_segment_uid);
5187     if ( p_item_b->p_prev_segment_uid != NULL && *p_itema == *p_item_b->p_prev_segment_uid )
5188         return true;
5189
5190     p_itema = (EbmlBinary *)(&p_item_a->p_next_segment_uid);
5191     if ( p_item_b->p_segment_uid != NULL && *p_itema == *p_item_b->p_segment_uid )
5192         return true;
5193
5194     if ( p_item_b->p_prev_segment_uid != NULL && *p_itema == *p_item_b->p_prev_segment_uid )
5195         return true;
5196
5197     return false;
5198 }
5199
5200 bool matroska_segment_c::Preload( )
5201 {
5202     if ( b_preloaded )
5203         return false;
5204
5205     EbmlElement *el = NULL;
5206
5207     ep->Reset( &sys.demuxer );
5208
5209     while( ( el = ep->Get() ) != NULL )
5210     {
5211         if( MKV_IS_ID( el, KaxInfo ) )
5212         {
5213             ParseInfo( static_cast<KaxInfo*>( el ) );
5214         }
5215         else if( MKV_IS_ID( el, KaxTracks ) )
5216         {
5217             ParseTracks( static_cast<KaxTracks*>( el ) );
5218         }
5219         else if( MKV_IS_ID( el, KaxSeekHead ) )
5220         {
5221             ParseSeekHead( static_cast<KaxSeekHead*>( el ) );
5222         }
5223         else if( MKV_IS_ID( el, KaxCues ) )
5224         {
5225             msg_Dbg( &sys.demuxer, "|   + Cues" );
5226         }
5227         else if( MKV_IS_ID( el, KaxCluster ) )
5228         {
5229             msg_Dbg( &sys.demuxer, "|   + Cluster" );
5230
5231             cluster = (KaxCluster*)el;
5232
5233             i_cluster_pos = i_start_pos = cluster->GetElementPosition();
5234             ParseCluster( );
5235
5236             ep->Down();
5237             /* stop parsing the stream */
5238             break;
5239         }
5240         else if( MKV_IS_ID( el, KaxAttachments ) )
5241         {
5242             msg_Dbg( &sys.demuxer, "|   + Attachments FIXME (but probably never supported)" );
5243         }
5244         else if( MKV_IS_ID( el, KaxChapters ) )
5245         {
5246             msg_Dbg( &sys.demuxer, "|   + Chapters" );
5247             ParseChapters( static_cast<KaxChapters*>( el ) );
5248         }
5249         else if( MKV_IS_ID( el, KaxTag ) )
5250         {
5251             msg_Dbg( &sys.demuxer, "|   + Tags FIXME TODO" );
5252         }
5253         else
5254         {
5255             msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid(*el).name() );
5256         }
5257     }
5258
5259     b_preloaded = true;
5260
5261     return true;
5262 }
5263
5264 matroska_segment_c *demux_sys_t::FindSegment( const EbmlBinary & uid ) const
5265 {
5266     for (size_t i=0; i<opened_segments.size(); i++)
5267     {
5268         if ( *opened_segments[i]->p_segment_uid == uid )
5269             return opened_segments[i];
5270     }
5271     return NULL;
5272 }
5273
5274 chapter_item_c *demux_sys_t::BrowseCodecPrivate( unsigned int codec_id,
5275                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
5276                                         const void *p_cookie,
5277                                         size_t i_cookie_size,
5278                                         virtual_segment_c * &p_segment_found )
5279 {
5280     chapter_item_c *p_result = NULL;
5281     for (size_t i=0; i<used_segments.size(); i++)
5282     {
5283         p_result = used_segments[i]->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
5284         if ( p_result != NULL )
5285         {
5286             p_segment_found = used_segments[i];
5287             break;
5288         }
5289     }
5290     return p_result;
5291 }
5292
5293 chapter_item_c *demux_sys_t::FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found )
5294 {
5295     chapter_item_c *p_result = NULL;
5296     for (size_t i=0; i<used_segments.size(); i++)
5297     {
5298         p_result = used_segments[i]->FindChapter( i_find_uid );
5299         if ( p_result != NULL )
5300         {
5301             p_segment_found = used_segments[i];
5302             break;
5303         }
5304     }
5305     return p_result;
5306 }
5307
5308 void virtual_segment_c::Sort()
5309 {
5310     // keep the current segment index
5311     matroska_segment_c *p_segment = linked_segments[i_current_segment];
5312
5313     std::sort( linked_segments.begin(), linked_segments.end(), matroska_segment_c::CompareSegmentUIDs );
5314
5315     for ( i_current_segment=0; i_current_segment<linked_segments.size(); i_current_segment++)
5316         if ( linked_segments[i_current_segment] == p_segment )
5317             break;
5318 }
5319
5320 size_t virtual_segment_c::AddSegment( matroska_segment_c *p_segment )
5321 {
5322     size_t i;
5323     // check if it's not already in here
5324     for ( i=0; i<linked_segments.size(); i++ )
5325     {
5326         if ( linked_segments[i]->p_segment_uid != NULL
5327             && p_segment->p_segment_uid != NULL
5328             && *p_segment->p_segment_uid == *linked_segments[i]->p_segment_uid )
5329             return 0;
5330     }
5331
5332     // find possible mates
5333     for ( i=0; i<linked_uids.size(); i++ )
5334     {
5335         if (   (p_segment->p_segment_uid != NULL && *p_segment->p_segment_uid == linked_uids[i])
5336             || (p_segment->p_prev_segment_uid != NULL && *p_segment->p_prev_segment_uid == linked_uids[i])
5337             || (p_segment->p_next_segment_uid !=NULL && *p_segment->p_next_segment_uid == linked_uids[i]) )
5338         {
5339             linked_segments.push_back( p_segment );
5340
5341             AppendUID( p_segment->p_prev_segment_uid );
5342             AppendUID( p_segment->p_next_segment_uid );
5343
5344             return 1;
5345         }
5346     }
5347     return 0;
5348 }
5349
5350 void virtual_segment_c::PreloadLinked( )
5351 {
5352     for ( size_t i=0; i<linked_segments.size(); i++ )
5353     {
5354         linked_segments[i]->Preload( );
5355     }
5356     i_current_edition = linked_segments[0]->i_default_edition;
5357 }
5358
5359 mtime_t virtual_segment_c::Duration() const
5360 {
5361     mtime_t i_duration;
5362     if ( linked_segments.size() == 0 )
5363         i_duration = 0;
5364     else {
5365         matroska_segment_c *p_last_segment = linked_segments[linked_segments.size()-1];
5366 //        p_last_segment->ParseCluster( );
5367
5368         i_duration = p_last_segment->i_start_time / 1000 + p_last_segment->i_duration;
5369     }
5370     return i_duration;
5371 }
5372
5373 void virtual_segment_c::LoadCues( )
5374 {
5375     for ( size_t i=0; i<linked_segments.size(); i++ )
5376     {
5377         linked_segments[i]->LoadCues();
5378     }
5379 }
5380
5381 void virtual_segment_c::AppendUID( const EbmlBinary * p_UID )
5382 {
5383     if ( p_UID == NULL )
5384         return;
5385     if ( p_UID->GetBuffer() == NULL )
5386         return;
5387
5388     for (size_t i=0; i<linked_uids.size(); i++)
5389     {
5390         if ( *p_UID == linked_uids[i] )
5391             return;
5392     }
5393     linked_uids.push_back( *(KaxSegmentUID*)(p_UID) );
5394 }
5395
5396 void matroska_segment_c::Seek( mtime_t i_date, mtime_t i_time_offset )
5397 {
5398     KaxBlock    *block;
5399 #if LIBMATROSKA_VERSION >= 0x000800
5400     KaxSimpleBlock *simpleblock;
5401 #endif
5402     int         i_track_skipping;
5403     int64_t     i_block_duration;
5404     int64_t     i_block_ref1;
5405     int64_t     i_block_ref2;
5406     size_t      i_track;
5407     int64_t     i_seek_position = i_start_pos;
5408     int64_t     i_seek_time = i_start_time;
5409
5410     if ( i_index > 0 )
5411     {
5412         int i_idx = 0;
5413
5414         for( ; i_idx < i_index; i_idx++ )
5415         {
5416             if( p_indexes[i_idx].i_time + i_time_offset > i_date )
5417             {
5418                 break;
5419             }
5420         }
5421
5422         if( i_idx > 0 )
5423         {
5424             i_idx--;
5425         }
5426
5427         i_seek_position = p_indexes[i_idx].i_position;
5428         i_seek_time = p_indexes[i_idx].i_time;
5429     }
5430
5431     msg_Dbg( &sys.demuxer, "seek got "I64Fd" (%d%%)",
5432                 i_seek_time, (int)( 100 * i_seek_position / stream_Size( sys.demuxer.s ) ) );
5433
5434     es.I_O().setFilePointer( i_seek_position, seek_beginning );
5435
5436     delete ep;
5437     ep = new EbmlParser( &es, segment, &sys.demuxer );
5438     cluster = NULL;
5439
5440     sys.i_start_pts = i_date;
5441
5442     es_out_Control( sys.demuxer.out, ES_OUT_RESET_PCR );
5443
5444     /* now parse until key frame */
5445     i_track_skipping = 0;
5446     for( i_track = 0; i_track < tracks.size(); i_track++ )
5447     {
5448         if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5449         {
5450             tracks[i_track]->b_search_keyframe = VLC_TRUE;
5451             i_track_skipping++;
5452         }
5453         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_date );
5454     }
5455
5456
5457     while( i_track_skipping > 0 )
5458     {
5459 #if LIBMATROSKA_VERSION >= 0x000800
5460         if( BlockGet( block, simpleblock, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
5461 #else
5462         if( BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
5463 #endif
5464         {
5465             msg_Warn( &sys.demuxer, "cannot get block EOF?" );
5466
5467             return;
5468         }
5469         ep->Down();
5470
5471         for( i_track = 0; i_track < tracks.size(); i_track++ )
5472         {
5473             if( tracks[i_track]->i_number == block->TrackNum() )
5474             {
5475                 break;
5476             }
5477         }
5478
5479         sys.i_pts = (sys.i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
5480
5481         if( i_track < tracks.size() )
5482         {
5483            if( sys.i_pts >= sys.i_start_pts )
5484             {
5485                 cluster = static_cast<KaxCluster*>(ep->UnGet( i_block_pos, i_cluster_pos ));
5486                 i_track_skipping = 0;
5487             }
5488             else if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5489             {
5490                 if( i_block_ref1 == 0 && tracks[i_track]->b_search_keyframe )
5491                 {
5492                     tracks[i_track]->b_search_keyframe = VLC_FALSE;
5493                     i_track_skipping--;
5494                 }
5495                 if( !tracks[i_track]->b_search_keyframe )
5496                 {
5497 #if LIBMATROSKA_VERSION >= 0x000800
5498                     BlockDecode( &sys.demuxer, block, simpleblock, sys.i_pts, 0, i_block_ref1 >= 0 || i_block_ref2 > 0 );
5499 #else
5500                     BlockDecode( &sys.demuxer, block, sys.i_pts, 0, i_block_ref1 >= 0 || i_block_ref2 > 0 );
5501 #endif
5502                 }
5503             }
5504         }
5505
5506         delete block;
5507     }
5508 }
5509
5510 void virtual_segment_c::Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter )
5511 {
5512     demux_sys_t *p_sys = demuxer.p_sys;
5513     size_t i;
5514
5515     // find the actual time for an ordered edition
5516     if ( psz_chapter == NULL )
5517     {
5518         if ( Edition() && Edition()->b_ordered )
5519         {
5520             /* 1st, we need to know in which chapter we are */
5521             psz_chapter = (*p_editions)[i_current_edition]->FindTimecode( i_date, psz_current_chapter );
5522         }
5523     }
5524
5525     if ( psz_chapter != NULL )
5526     {
5527         psz_current_chapter = psz_chapter;
5528         p_sys->i_chapter_time = i_time_offset = psz_chapter->i_user_start_time - psz_chapter->i_start_time;
5529         if ( psz_chapter->i_seekpoint_num > 0 )
5530         {
5531             demuxer.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
5532             demuxer.info.i_title = p_sys->i_current_title = i_sys_title;
5533             demuxer.info.i_seekpoint = psz_chapter->i_seekpoint_num - 1;
5534         }
5535     }
5536
5537     // find the best matching segment
5538     for ( i=0; i<linked_segments.size(); i++ )
5539     {
5540         if ( i_date < linked_segments[i]->i_start_time )
5541             break;
5542     }
5543
5544     if ( i > 0 )
5545         i--;
5546
5547     if ( i_current_segment != i  )
5548     {
5549         linked_segments[i_current_segment]->UnSelect();
5550         linked_segments[i]->Select( i_date );
5551         i_current_segment = i;
5552     }
5553
5554     linked_segments[i]->Seek( i_date, i_time_offset );
5555 }
5556
5557 void chapter_codec_cmds_c::AddCommand( const KaxChapterProcessCommand & command )
5558 {
5559     size_t i;
5560
5561     uint32 codec_time = uint32(-1);
5562     for( i = 0; i < command.ListSize(); i++ )
5563     {
5564         const EbmlElement *k = command[i];
5565
5566         if( MKV_IS_ID( k, KaxChapterProcessTime ) )
5567         {
5568             codec_time = uint32( *static_cast<const KaxChapterProcessTime*>( k ) );
5569             break;
5570         }
5571     }
5572
5573     for( i = 0; i < command.ListSize(); i++ )
5574     {
5575         const EbmlElement *k = command[i];
5576
5577         if( MKV_IS_ID( k, KaxChapterProcessData ) )
5578         {
5579             KaxChapterProcessData *p_data =  new KaxChapterProcessData( *static_cast<const KaxChapterProcessData*>( k ) );
5580             switch ( codec_time )
5581             {
5582             case 0:
5583                 during_cmds.push_back( p_data );
5584                 break;
5585             case 1:
5586                 enter_cmds.push_back( p_data );
5587                 break;
5588             case 2:
5589                 leave_cmds.push_back( p_data );
5590                 break;
5591             default:
5592                 delete p_data;
5593             }
5594         }
5595     }
5596 }
5597
5598 bool chapter_item_c::Enter( bool b_do_subs )
5599 {
5600     bool f_result = false;
5601     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5602     while ( index != codecs.end() )
5603     {
5604         f_result |= (*index)->Enter();
5605         index++;
5606     }
5607
5608     if ( b_do_subs )
5609     {
5610         // sub chapters
5611         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5612         while ( index_ != sub_chapters.end() )
5613         {
5614             f_result |= (*index_)->Enter( true );
5615             index_++;
5616         }
5617     }
5618     return f_result;
5619 }
5620
5621 bool chapter_item_c::Leave( bool b_do_subs )
5622 {
5623     bool f_result = false;
5624     b_is_leaving = true;
5625     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5626     while ( index != codecs.end() )
5627     {
5628         f_result |= (*index)->Leave();
5629         index++;
5630     }
5631
5632     if ( b_do_subs )
5633     {
5634         // sub chapters
5635         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5636         while ( index_ != sub_chapters.end() )
5637         {
5638             f_result |= (*index_)->Leave( true );
5639             index_++;
5640         }
5641     }
5642     b_is_leaving = false;
5643     return f_result;
5644 }
5645
5646 bool chapter_item_c::EnterAndLeave( chapter_item_c *p_item, bool b_final_enter )
5647 {
5648     chapter_item_c *p_common_parent = p_item;
5649
5650     // leave, up to a common parent
5651     while ( p_common_parent != NULL && !p_common_parent->ParentOf( *this ) )
5652     {
5653         if ( !p_common_parent->b_is_leaving && p_common_parent->Leave( false ) )
5654             return true;
5655         p_common_parent = p_common_parent->psz_parent;
5656     }
5657
5658     // enter from the parent to <this>
5659     if ( p_common_parent != NULL )
5660     {
5661         do
5662         {
5663             if ( p_common_parent == this )
5664                 return Enter( true );
5665
5666             for ( size_t i = 0; i<p_common_parent->sub_chapters.size(); i++ )
5667             {
5668                 if ( p_common_parent->sub_chapters[i]->ParentOf( *this ) )
5669                 {
5670                     p_common_parent = p_common_parent->sub_chapters[i];
5671                     if ( p_common_parent != this )
5672                         if ( p_common_parent->Enter( false ) )
5673                             return true;
5674
5675                     break;
5676                 }
5677             }
5678         } while ( 1 );
5679     }
5680
5681     if ( b_final_enter )
5682         return Enter( true );
5683     else
5684         return false;
5685 }
5686
5687 bool dvd_chapter_codec_c::Enter()
5688 {
5689     bool f_result = false;
5690     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
5691     while ( index != enter_cmds.end() )
5692     {
5693         if ( (*index)->GetSize() )
5694         {
5695             binary *p_data = (*index)->GetBuffer();
5696             size_t i_size = *p_data++;
5697             // avoid reading too much from the buffer
5698             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
5699             for ( ; i_size > 0; i_size--, p_data += 8 )
5700             {
5701                 msg_Dbg( &sys.demuxer, "Matroska DVD enter command" );
5702                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5703             }
5704         }
5705         index++;
5706     }
5707     return f_result;
5708 }
5709
5710 bool dvd_chapter_codec_c::Leave()
5711 {
5712     bool f_result = false;
5713     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
5714     while ( index != leave_cmds.end() )
5715     {
5716         if ( (*index)->GetSize() )
5717         {
5718             binary *p_data = (*index)->GetBuffer();
5719             size_t i_size = *p_data++;
5720             // avoid reading too much from the buffer
5721             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
5722             for ( ; i_size > 0; i_size--, p_data += 8 )
5723             {
5724                 msg_Dbg( &sys.demuxer, "Matroska DVD leave command" );
5725                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5726             }
5727         }
5728         index++;
5729     }
5730     return f_result;
5731 }
5732
5733 // see http://www.dvd-replica.com/DVD/vmcmdset.php for a description of DVD commands
5734 bool dvd_command_interpretor_c::Interpret( const binary * p_command, size_t i_size )
5735 {
5736     if ( i_size != 8 )
5737         return false;
5738
5739     virtual_segment_c *p_segment = NULL;
5740     chapter_item_c *p_chapter = NULL;
5741     bool f_result = false;
5742     uint16 i_command = ( p_command[0] << 8 ) + p_command[1];
5743
5744     // handle register tests if there are some
5745     if ( (i_command & 0xF0) != 0 )
5746     {
5747         bool b_test_positive = true;//(i_command & CMD_DVD_IF_NOT) == 0;
5748         bool b_test_value    = (i_command & CMD_DVD_TEST_VALUE) != 0;
5749         uint8 i_test = i_command & 0x70;
5750         uint16 i_value;
5751
5752         // see http://dvd.sourceforge.net/dvdinfo/vmi.html
5753         uint8  i_cr1;
5754         uint16 i_cr2;
5755         switch ( i_command >> 12 )
5756         {
5757         default:
5758             i_cr1 = p_command[3];
5759             i_cr2 = (p_command[4] << 8) + p_command[5];
5760             break;
5761         case 3:
5762         case 4:
5763         case 5:
5764             i_cr1 = p_command[6];
5765             i_cr2 = p_command[7];
5766             b_test_value = false;
5767             break;
5768         case 6:
5769         case 7:
5770             if ( ((p_command[1] >> 4) & 0x7) == 0)
5771             {
5772                 i_cr1 = p_command[2];
5773                 i_cr2 = (p_command[6] << 8) + p_command[7];
5774             }
5775             else
5776             {
5777                 i_cr1 = p_command[2];
5778                 i_cr2 = (p_command[6] << 8) + p_command[7];
5779             }
5780             break;
5781         }
5782
5783         if ( b_test_value )
5784             i_value = i_cr2;
5785         else
5786             i_value = GetPRM( i_cr2 );
5787
5788         switch ( i_test )
5789         {
5790         case CMD_DVD_IF_GPREG_EQUAL:
5791             // if equals
5792             msg_Dbg( &sys.demuxer, "IF %s EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5793             if (!( GetPRM( i_cr1 ) == i_value ))
5794             {
5795                 b_test_positive = false;
5796             }
5797             break;
5798         case CMD_DVD_IF_GPREG_NOT_EQUAL:
5799             // if not equals
5800             msg_Dbg( &sys.demuxer, "IF %s NOT EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5801             if (!( GetPRM( i_cr1 ) != i_value ))
5802             {
5803                 b_test_positive = false;
5804             }
5805             break;
5806         case CMD_DVD_IF_GPREG_INF:
5807             // if inferior
5808             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5809             if (!( GetPRM( i_cr1 ) < i_value ))
5810             {
5811                 b_test_positive = false;
5812             }
5813             break;
5814         case CMD_DVD_IF_GPREG_INF_EQUAL:
5815             // if inferior or equal
5816             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5817             if (!( GetPRM( i_cr1 ) <= i_value ))
5818             {
5819                 b_test_positive = false;
5820             }
5821             break;
5822         case CMD_DVD_IF_GPREG_AND:
5823             // if logical and
5824             msg_Dbg( &sys.demuxer, "IF %s & %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5825             if (!( GetPRM( i_cr1 ) & i_value ))
5826             {
5827                 b_test_positive = false;
5828             }
5829             break;
5830         case CMD_DVD_IF_GPREG_SUP:
5831             // if superior
5832             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5833             if (!( GetPRM( i_cr1 ) > i_value ))
5834             {
5835                 b_test_positive = false;
5836             }
5837             break;
5838         case CMD_DVD_IF_GPREG_SUP_EQUAL:
5839             // if superior or equal
5840             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5841             if (!( GetPRM( i_cr1 ) >= i_value ))
5842             {
5843                 b_test_positive = false;
5844             }
5845             break;
5846         }
5847
5848         if ( !b_test_positive )
5849             return false;
5850     }
5851
5852     // strip the test command
5853     i_command &= 0xFF0F;
5854
5855     switch ( i_command )
5856     {
5857     case CMD_DVD_NOP:
5858     case CMD_DVD_NOP2:
5859         {
5860             msg_Dbg( &sys.demuxer, "NOP" );
5861             break;
5862         }
5863     case CMD_DVD_BREAK:
5864         {
5865             msg_Dbg( &sys.demuxer, "Break" );
5866             // TODO
5867             break;
5868         }
5869     case CMD_DVD_JUMP_TT:
5870         {
5871             uint8 i_title = p_command[5];
5872             msg_Dbg( &sys.demuxer, "JumpTT %d", i_title );
5873
5874             // find in the ChapProcessPrivate matching this Title level
5875             p_chapter = sys.BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title), p_segment );
5876             if ( p_segment != NULL )
5877             {
5878                 sys.JumpTo( *p_segment, p_chapter );
5879                 f_result = true;
5880             }
5881
5882             break;
5883         }
5884     case CMD_DVD_CALLSS_VTSM1:
5885         {
5886             msg_Dbg( &sys.demuxer, "CallSS" );
5887             binary p_type;
5888             switch( (p_command[6] & 0xC0) >> 6 ) {
5889                 case 0:
5890                     p_type = p_command[5] & 0x0F;
5891                     switch ( p_type )
5892                     {
5893                     case 0x00:
5894                         msg_Dbg( &sys.demuxer, "CallSS PGC (rsm_cell %x)", p_command[4]);
5895                         break;
5896                     case 0x02:
5897                         msg_Dbg( &sys.demuxer, "CallSS Title Entry (rsm_cell %x)", p_command[4]);
5898                         break;
5899                     case 0x03:
5900                         msg_Dbg( &sys.demuxer, "CallSS Root Menu (rsm_cell %x)", p_command[4]);
5901                         break;
5902                     case 0x04:
5903                         msg_Dbg( &sys.demuxer, "CallSS Subpicture Menu (rsm_cell %x)", p_command[4]);
5904                         break;
5905                     case 0x05:
5906                         msg_Dbg( &sys.demuxer, "CallSS Audio Menu (rsm_cell %x)", p_command[4]);
5907                         break;
5908                     case 0x06:
5909                         msg_Dbg( &sys.demuxer, "CallSS Angle Menu (rsm_cell %x)", p_command[4]);
5910                         break;
5911                     case 0x07:
5912                         msg_Dbg( &sys.demuxer, "CallSS Chapter Menu (rsm_cell %x)", p_command[4]);
5913                         break;
5914                     default:
5915                         msg_Dbg( &sys.demuxer, "CallSS <unknown> (rsm_cell %x)", p_command[4]);
5916                         break;
5917                     }
5918                     p_chapter = sys.BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1, p_segment );
5919                     if ( p_segment != NULL )
5920                     {
5921                         sys.JumpTo( *p_segment, p_chapter );
5922                         f_result = true;
5923                     }
5924                 break;
5925                 case 1:
5926                     msg_Dbg( &sys.demuxer, "CallSS VMGM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
5927                 break;
5928                 case 2:
5929                     msg_Dbg( &sys.demuxer, "CallSS VTSM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
5930                 break;
5931                 case 3:
5932                     msg_Dbg( &sys.demuxer, "CallSS VMGM (pgc %d, rsm_cell %x)", (p_command[2] << 8) + p_command[3], p_command[4]);
5933                 break;
5934             }
5935             break;
5936         }
5937     case CMD_DVD_JUMP_SS:
5938         {
5939             msg_Dbg( &sys.demuxer, "JumpSS");
5940             binary p_type;
5941             switch( (p_command[5] & 0xC0) >> 6 ) {
5942                 case 0:
5943                     msg_Dbg( &sys.demuxer, "JumpSS FP");
5944                 break;
5945                 case 1:
5946                     p_type = p_command[5] & 0x0F;
5947                     switch ( p_type )
5948                     {
5949                     case 0x02:
5950                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Title Entry");
5951                         break;
5952                     case 0x03:
5953                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Root Menu");
5954                         break;
5955                     case 0x04:
5956                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Subpicture Menu");
5957                         break;
5958                     case 0x05:
5959                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Audio Menu");
5960                         break;
5961                     case 0x06:
5962                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Angle Menu");
5963                         break;
5964                     case 0x07:
5965                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Chapter Menu");
5966                         break;
5967                     default:
5968                         msg_Dbg( &sys.demuxer, "JumpSS <unknown>");
5969                         break;
5970                     }
5971                     // find the VMG
5972                     p_chapter = sys.BrowseCodecPrivate( 1, MatchIsVMG, NULL, 0, p_segment );
5973                     if ( p_segment != NULL )
5974                     {
5975                         p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
5976                         if ( p_chapter != NULL )
5977                         {
5978                             sys.JumpTo( *p_segment, p_chapter );
5979                             f_result = true;
5980                         }
5981                     }
5982                 break;
5983                 case 2:
5984                     p_type = p_command[5] & 0x0F;
5985                     switch ( p_type )
5986                     {
5987                     case 0x02:
5988                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Title Entry", p_command[4], p_command[3]);
5989                         break;
5990                     case 0x03:
5991                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Root Menu", p_command[4], p_command[3]);
5992                         break;
5993                     case 0x04:
5994                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Subpicture Menu", p_command[4], p_command[3]);
5995                         break;
5996                     case 0x05:
5997                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Audio Menu", p_command[4], p_command[3]);
5998                         break;
5999                     case 0x06:
6000                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Angle Menu", p_command[4], p_command[3]);
6001                         break;
6002                     case 0x07:
6003                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Chapter Menu", p_command[4], p_command[3]);
6004                         break;
6005                     default:
6006                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) <unknown>", p_command[4], p_command[3]);
6007                         break;
6008                     }
6009
6010                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSMNumber, &p_command[4], 1, p_segment );
6011
6012                     if ( p_segment != NULL && p_chapter != NULL )
6013                     {
6014                         // find the title in the VTS
6015                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &p_command[3], 1 );
6016                         if ( p_chapter != NULL )
6017                         {
6018                             // find the specified menu in the VTSM
6019                             p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
6020                             if ( p_chapter != NULL )
6021                             {
6022                                 sys.JumpTo( *p_segment, p_chapter );
6023                                 f_result = true;
6024                             }
6025                         }
6026                         else
6027                             msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", p_command[3] );
6028                     }
6029                     else
6030                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", p_command[4] );
6031                 break;
6032                 case 3:
6033                     msg_Dbg( &sys.demuxer, "JumpSS VMGM (pgc %d)", (p_command[2] << 8) + p_command[3]);
6034                 break;
6035             }
6036             break;
6037         }
6038     case CMD_DVD_JUMPVTS_PTT:
6039         {
6040             uint8 i_title = p_command[5];
6041             uint8 i_ptt = p_command[3];
6042
6043             msg_Dbg( &sys.demuxer, "JumpVTS Title (%d) PTT (%d)", i_title, i_ptt);
6044
6045             // find the current VTS content segment
6046             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchIsDomain, NULL, 0 );
6047             if ( p_chapter != NULL )
6048             {
6049                 int16 i_curr_title = p_chapter->GetTitleNumber( );
6050                 if ( i_curr_title > 0 )
6051                 {
6052                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSNumber, &i_curr_title, sizeof(i_curr_title), p_segment );
6053
6054                     if ( p_segment != NULL && p_chapter != NULL )
6055                     {
6056                         // find the title in the VTS
6057                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title) );
6058                         if ( p_chapter != NULL )
6059                         {
6060                             // find the chapter in the title
6061                             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchChapterNumber, &i_ptt, sizeof(i_ptt) );
6062                             if ( p_chapter != NULL )
6063                             {
6064                                 sys.JumpTo( *p_segment, p_chapter );
6065                                 f_result = true;
6066                             }
6067                         }
6068                     else
6069                         msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", i_title );
6070                     }
6071                     else
6072                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", i_curr_title );
6073                 }
6074                 else
6075                     msg_Dbg( &sys.demuxer, "JumpVTS_PTT command found but not in a VTS(M)");
6076             }
6077             else
6078                 msg_Dbg( &sys.demuxer, "JumpVTS_PTT command but the DVD domain wasn't found");
6079             break;
6080         }
6081     case CMD_DVD_SET_GPRMMD:
6082         {
6083             msg_Dbg( &sys.demuxer, "Set GPRMMD [%d]=%d", (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3]);
6084
6085             if ( !SetGPRM( (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3] ) )
6086                 msg_Dbg( &sys.demuxer, "Set GPRMMD failed" );
6087             break;
6088         }
6089     case CMD_DVD_LINKPGCN:
6090         {
6091             uint16 i_pgcn = (p_command[6] << 8) + p_command[7];
6092
6093             msg_Dbg( &sys.demuxer, "Link PGCN(%d)", i_pgcn );
6094             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchPgcNumber, &i_pgcn, 2 );
6095             if ( p_chapter != NULL )
6096             {
6097                 if ( !p_chapter->Enter( true ) )
6098                     // jump to the location in the found segment
6099                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6100
6101                 f_result = true;
6102             }
6103             break;
6104         }
6105     case CMD_DVD_LINKCN:
6106         {
6107             uint8 i_cn = p_command[7];
6108
6109             p_chapter = sys.p_current_segment->CurrentChapter();
6110
6111             msg_Dbg( &sys.demuxer, "LinkCN (cell %d)", i_cn );
6112             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchCellNumber, &i_cn, 1 );
6113             if ( p_chapter != NULL )
6114             {
6115                 if ( !p_chapter->Enter( true ) )
6116                     // jump to the location in the found segment
6117                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6118
6119                 f_result = true;
6120             }
6121             break;
6122         }
6123     case CMD_DVD_GOTO_LINE:
6124         {
6125             msg_Dbg( &sys.demuxer, "GotoLine (%d)", (p_command[6] << 8) + p_command[7] );
6126             // TODO
6127             break;
6128         }
6129     case CMD_DVD_SET_HL_BTNN1:
6130         {
6131             msg_Dbg( &sys.demuxer, "SetHL_BTN (%d)", p_command[4] );
6132             SetSPRM( 0x88, p_command[4] );
6133             break;
6134         }
6135     default:
6136         {
6137             msg_Dbg( &sys.demuxer, "unsupported command : %02X %02X %02X %02X %02X %02X %02X %02X"
6138                      ,p_command[0]
6139                      ,p_command[1]
6140                      ,p_command[2]
6141                      ,p_command[3]
6142                      ,p_command[4]
6143                      ,p_command[5]
6144                      ,p_command[6]
6145                      ,p_command[7]);
6146             break;
6147         }
6148     }
6149
6150     return f_result;
6151 }
6152
6153 bool dvd_command_interpretor_c::MatchIsDomain( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6154 {
6155     return ( data.p_private_data != NULL && data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS );
6156 }
6157
6158 bool dvd_command_interpretor_c::MatchIsVMG( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6159 {
6160     if ( data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
6161         return false;
6162
6163     return ( data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS && data.p_private_data->GetBuffer()[1] == 0xC0);
6164 }
6165
6166 bool dvd_command_interpretor_c::MatchVTSNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6167 {
6168     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6169         return false;
6170
6171     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x80 )
6172         return false;
6173
6174     uint16 i_gtitle = (data.p_private_data->GetBuffer()[2] << 8 ) + data.p_private_data->GetBuffer()[3];
6175     uint16 i_title = *(uint16*)p_cookie;
6176
6177     return (i_gtitle == i_title);
6178 }
6179
6180 bool dvd_command_interpretor_c::MatchVTSMNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6181 {
6182     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6183         return false;
6184
6185     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x40 )
6186         return false;
6187
6188     uint8 i_gtitle = data.p_private_data->GetBuffer()[3];
6189     uint8 i_title = *(uint8*)p_cookie;
6190
6191     return (i_gtitle == i_title);
6192 }
6193
6194 bool dvd_command_interpretor_c::MatchTitleNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6195 {
6196     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6197         return false;
6198
6199     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_TT )
6200         return false;
6201
6202     uint16 i_gtitle = (data.p_private_data->GetBuffer()[1] << 8 ) + data.p_private_data->GetBuffer()[2];
6203     uint8 i_title = *(uint8*)p_cookie;
6204
6205     return (i_gtitle == i_title);
6206 }
6207
6208 bool dvd_command_interpretor_c::MatchPgcType( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6209 {
6210     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6211         return false;
6212
6213     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6214         return false;
6215
6216     uint8 i_pgc_type = data.p_private_data->GetBuffer()[3] & 0x0F;
6217     uint8 i_pgc = *(uint8*)p_cookie;
6218
6219     return (i_pgc_type == i_pgc);
6220 }
6221
6222 bool dvd_command_interpretor_c::MatchPgcNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6223 {
6224     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6225         return false;
6226
6227     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6228         return false;
6229
6230     uint16 *i_pgc_n = (uint16 *)p_cookie;
6231     uint16 i_pgc_num = (data.p_private_data->GetBuffer()[1] << 8) + data.p_private_data->GetBuffer()[2];
6232
6233     return (i_pgc_num == *i_pgc_n);
6234 }
6235
6236 bool dvd_command_interpretor_c::MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6237 {
6238     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
6239         return false;
6240
6241     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PTT )
6242         return false;
6243
6244     uint8 i_chapter = data.p_private_data->GetBuffer()[1];
6245     uint8 i_ptt = *(uint8*)p_cookie;
6246
6247     return (i_chapter == i_ptt);
6248 }
6249
6250 bool dvd_command_interpretor_c::MatchCellNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6251 {
6252     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 5 )
6253         return false;
6254
6255     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_CN )
6256         return false;
6257
6258     uint8 *i_cell_n = (uint8 *)p_cookie;
6259     uint8 i_cell_num = data.p_private_data->GetBuffer()[3];
6260
6261     return (i_cell_num == *i_cell_n);
6262 }
6263
6264 bool matroska_script_codec_c::Enter()
6265 {
6266     bool f_result = false;
6267     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
6268     while ( index != enter_cmds.end() )
6269     {
6270         if ( (*index)->GetSize() )
6271         {
6272             msg_Dbg( &sys.demuxer, "Matroska Script enter command" );
6273             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6274         }
6275         index++;
6276     }
6277     return f_result;
6278 }
6279
6280 bool matroska_script_codec_c::Leave()
6281 {
6282     bool f_result = false;
6283     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
6284     while ( index != leave_cmds.end() )
6285     {
6286         if ( (*index)->GetSize() )
6287         {
6288             msg_Dbg( &sys.demuxer, "Matroska Script leave command" );
6289             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6290         }
6291         index++;
6292     }
6293     return f_result;
6294 }
6295
6296 // see http://www.matroska.org/technical/specs/chapters/index.html#mscript
6297 //  for a description of existing commands
6298 bool matroska_script_interpretor_c::Interpret( const binary * p_command, size_t i_size )
6299 {
6300     bool b_result = false;
6301
6302     char *psz_str = (char*) malloc( i_size + 1 );
6303     memcpy( psz_str, p_command, i_size );
6304     psz_str[ i_size ] = '\0';
6305
6306     std::string sz_command = psz_str;
6307     free( psz_str );
6308
6309     msg_Dbg( &sys.demuxer, "command : %s", sz_command.c_str() );
6310
6311 #if defined(__GNUC__) && (__GNUC__ < 3)
6312     if ( sz_command.compare( CMD_MS_GOTO_AND_PLAY, 0, CMD_MS_GOTO_AND_PLAY.size() ) == 0 )
6313 #else
6314     if ( sz_command.compare( 0, CMD_MS_GOTO_AND_PLAY.size(), CMD_MS_GOTO_AND_PLAY ) == 0 )
6315 #endif
6316     {
6317         size_t i,j;
6318
6319         // find the (
6320         for ( i=CMD_MS_GOTO_AND_PLAY.size(); i<sz_command.size(); i++)
6321         {
6322             if ( sz_command[i] == '(' )
6323             {
6324                 i++;
6325                 break;
6326             }
6327         }
6328         // find the )
6329         for ( j=i; j<sz_command.size(); j++)
6330         {
6331             if ( sz_command[j] == ')' )
6332             {
6333                 i--;
6334                 break;
6335             }
6336         }
6337
6338         std::string st = sz_command.substr( i+1, j-i-1 );
6339         int64_t i_chapter_uid = atoi( st.c_str() );
6340
6341         virtual_segment_c *p_segment;
6342         chapter_item_c *p_chapter = sys.FindChapter( i_chapter_uid, p_segment );
6343
6344         if ( p_chapter == NULL )
6345             msg_Dbg( &sys.demuxer, "Chapter "I64Fd" not found", i_chapter_uid);
6346         else
6347         {
6348             if ( !p_chapter->EnterAndLeave( sys.p_current_segment->CurrentChapter() ) )
6349                 p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6350             b_result = true;
6351         }
6352     }
6353
6354     return b_result;
6355 }
6356
6357 void demux_sys_t::SwapButtons()
6358 {
6359 #ifndef WORDS_BIGENDIAN
6360     uint8_t button, i, j;
6361
6362     for( button = 1; button <= pci_packet.hli.hl_gi.btn_ns; button++) {
6363         btni_t *button_ptr = &(pci_packet.hli.btnit[button-1]);
6364         binary *p_data = (binary*) button_ptr;
6365
6366         uint16 i_x_start = ((p_data[0] & 0x3F) << 4 ) + ( p_data[1] >> 4 );
6367         uint16 i_x_end   = ((p_data[1] & 0x03) << 8 ) + p_data[2];
6368         uint16 i_y_start = ((p_data[3] & 0x3F) << 4 ) + ( p_data[4] >> 4 );
6369         uint16 i_y_end   = ((p_data[4] & 0x03) << 8 ) + p_data[5];
6370         button_ptr->x_start = i_x_start;
6371         button_ptr->x_end   = i_x_end;
6372         button_ptr->y_start = i_y_start;
6373         button_ptr->y_end   = i_y_end;
6374
6375     }
6376     for ( i = 0; i<3; i++ )
6377     {
6378         for ( j = 0; j<2; j++ )
6379         {
6380             pci_packet.hli.btn_colit.btn_coli[i][j] = U32_AT( &pci_packet.hli.btn_colit.btn_coli[i][j] );
6381         }
6382     }
6383 #endif
6384 }