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

   1 /*****************************************************************************
   2  * mkv.cpp : matroska demuxer
   3  *****************************************************************************
   4  * Copyright (C) 2003-2004 VideoLAN
   5  * $Id$
   6  *
   7  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   8  *          Steve Lhomme <steve.lhomme@free.fr>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  23  *****************************************************************************/
  24
  25 /*****************************************************************************
  26  * Preamble
  27  *****************************************************************************/
  28 #include <stdlib.h>                                      /* malloc(), free() */
  29
  30 #include <vlc/vlc.h>
  31
  32 #ifdef HAVE_TIME_H
  33 #   include <time.h>                                               /* time() */
  34 #endif
  35
  36 #include <vlc/input.h>
  37
  38 #include <codecs.h>                        /* BITMAPINFOHEADER, WAVEFORMATEX */
  39 #include "iso_lang.h"
  40 #include "vlc_meta.h"
  41
  42 #include <iostream>
  43 #include <cassert>
  44 #include <typeinfo>
  45 #include <string>
  46 #include <vector>
  47 #include <algorithm>
  48
  49 #ifdef HAVE_DIRENT_H
  50 #   include <dirent.h>
  51 #endif
  52
  53 /* libebml and matroska */
  54 #include "ebml/EbmlHead.h"
  55 #include "ebml/EbmlSubHead.h"
  56 #include "ebml/EbmlStream.h"
  57 #include "ebml/EbmlContexts.h"
  58 #include "ebml/EbmlVoid.h"
  59 #include "ebml/EbmlVersion.h"
  60 #include "ebml/StdIOCallback.h"
  61
  62 #include "matroska/KaxAttachments.h"
  63 #include "matroska/KaxBlock.h"
  64 #include "matroska/KaxBlockData.h"
  65 #include "matroska/KaxChapters.h"
  66 #include "matroska/KaxCluster.h"
  67 #include "matroska/KaxClusterData.h"
  68 #include "matroska/KaxContexts.h"
  69 #include "matroska/KaxCues.h"
  70 #include "matroska/KaxCuesData.h"
  71 #include "matroska/KaxInfo.h"
  72 #include "matroska/KaxInfoData.h"
  73 #include "matroska/KaxSeekHead.h"
  74 #include "matroska/KaxSegment.h"
  75 #include "matroska/KaxTag.h"
  76 #include "matroska/KaxTags.h"
  77 #include "matroska/KaxTagMulti.h"
  78 #include "matroska/KaxTracks.h"
  79 #include "matroska/KaxTrackAudio.h"
  80 #include "matroska/KaxTrackVideo.h"
  81 #include "matroska/KaxTrackEntryData.h"
  82 #include "matroska/KaxContentEncoding.h"
  83 #include "matroska/KaxVersion.h"
  84
  85 #include "ebml/StdIOCallback.h"
  86
  87 #include "vlc_keys.h"
  88
  89 extern "C" {
  90    #include "mp4/libmp4.h"
  91 }
  92 #ifdef HAVE_ZLIB_H
  93 #   include <zlib.h>
  94 #endif
  95
  96 #define MATROSKA_COMPRESSION_NONE 0
  97 #define MATROSKA_COMPRESSION_ZLIB 1
  98
  99 #define MKVD_TIMECODESCALE 1000000
 100
 101 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 102 #undef ATTRIBUTE_PACKED
 103 #undef PRAGMA_PACK_BEGIN
 104 #undef PRAGMA_PACK_END
 105
 106 #if defined(__GNUC__)
 107 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)
 108 #define ATTRIBUTE_PACKED __attribute__ ((packed))
 109 #define PRAGMA_PACK 0
 110 #endif
 111 #endif
 112
 113 #if !defined(ATTRIBUTE_PACKED)
 114 #define ATTRIBUTE_PACKED
 115 #define PRAGMA_PACK 1
 116 #endif
 117
 118 #if PRAGMA_PACK
 119 #pragma pack(1)
 120 #endif
 121
 122 /*************************************
 123 *  taken from libdvdnav / libdvdread
 124 **************************************/
 125
 126 /**
 127  * DVD Time Information.
 128  */
 129 typedef struct {
 130   uint8_t hour;
 131   uint8_t minute;
 132   uint8_t second;
 133   uint8_t frame_u; /* The two high bits are the frame rate. */
 134 } ATTRIBUTE_PACKED dvd_time_t;
 135
 136 /**
 137  * User Operations.
 138  */
 139 typedef struct {
 140 #ifdef WORDS_BIGENDIAN
 141   unsigned char zero                           : 7; /* 25-31 */
 142   unsigned char video_pres_mode_change         : 1; /* 24 */
 143
 144   unsigned char karaoke_audio_pres_mode_change : 1; /* 23 */
 145   unsigned char angle_change                   : 1;
 146   unsigned char subpic_stream_change           : 1;
 147   unsigned char audio_stream_change            : 1;
 148   unsigned char pause_on                       : 1;
 149   unsigned char still_off                      : 1;
 150   unsigned char button_select_or_activate      : 1;
 151   unsigned char resume                         : 1; /* 16 */
 152
 153   unsigned char chapter_menu_call              : 1; /* 15 */
 154   unsigned char angle_menu_call                : 1;
 155   unsigned char audio_menu_call                : 1;
 156   unsigned char subpic_menu_call               : 1;
 157   unsigned char root_menu_call                 : 1;
 158   unsigned char title_menu_call                : 1;
 159   unsigned char backward_scan                  : 1;
 160   unsigned char forward_scan                   : 1; /* 8 */
 161
 162   unsigned char next_pg_search                 : 1; /* 7 */
 163   unsigned char prev_or_top_pg_search          : 1;
 164   unsigned char time_or_chapter_search         : 1;
 165   unsigned char go_up                          : 1;
 166   unsigned char stop                           : 1;
 167   unsigned char title_play                     : 1;
 168   unsigned char chapter_search_or_play         : 1;
 169   unsigned char title_or_time_play             : 1; /* 0 */
 170 #else
 171   unsigned char video_pres_mode_change         : 1; /* 24 */
 172   unsigned char zero                           : 7; /* 25-31 */
 173
 174   unsigned char resume                         : 1; /* 16 */
 175   unsigned char button_select_or_activate      : 1;
 176   unsigned char still_off                      : 1;
 177   unsigned char pause_on                       : 1;
 178   unsigned char audio_stream_change            : 1;
 179   unsigned char subpic_stream_change           : 1;
 180   unsigned char angle_change                   : 1;
 181   unsigned char karaoke_audio_pres_mode_change : 1; /* 23 */
 182
 183   unsigned char forward_scan                   : 1; /* 8 */
 184   unsigned char backward_scan                  : 1;
 185   unsigned char title_menu_call                : 1;
 186   unsigned char root_menu_call                 : 1;
 187   unsigned char subpic_menu_call               : 1;
 188   unsigned char audio_menu_call                : 1;
 189   unsigned char angle_menu_call                : 1;
 190   unsigned char chapter_menu_call              : 1; /* 15 */
 191
 192   unsigned char title_or_time_play             : 1; /* 0 */
 193   unsigned char chapter_search_or_play         : 1;
 194   unsigned char title_play                     : 1;
 195   unsigned char stop                           : 1;
 196   unsigned char go_up                          : 1;
 197   unsigned char time_or_chapter_search         : 1;
 198   unsigned char prev_or_top_pg_search          : 1;
 199   unsigned char next_pg_search                 : 1; /* 7 */
 200 #endif
 201 } ATTRIBUTE_PACKED user_ops_t;
 202
 203 /**
 204  * Type to store per-command data.
 205  */
 206 typedef struct {
 207   uint8_t bytes[8];
 208 } ATTRIBUTE_PACKED vm_cmd_t;
 209 #define COMMAND_DATA_SIZE 8
 210
 211 /**
 212  * PCI General Information
 213  */
 214 typedef struct {
 215   uint32_t nv_pck_lbn;      /**< sector address of this nav pack */
 216   uint16_t vobu_cat;        /**< 'category' of vobu */
 217   uint16_t zero1;           /**< reserved */
 218   user_ops_t vobu_uop_ctl;  /**< UOP of vobu */
 219   uint32_t vobu_s_ptm;      /**< start presentation time of vobu */
 220   uint32_t vobu_e_ptm;      /**< end presentation time of vobu */
 221   uint32_t vobu_se_e_ptm;   /**< end ptm of sequence end in vobu */
 222   dvd_time_t e_eltm;        /**< Cell elapsed time */
 223   char vobu_isrc[32];
 224 } ATTRIBUTE_PACKED pci_gi_t;
 225
 226 /**
 227  * Non Seamless Angle Information
 228  */
 229 typedef struct {
 230   uint32_t nsml_agl_dsta[9];  /**< address of destination vobu in AGL_C#n */
 231 } ATTRIBUTE_PACKED nsml_agli_t;
 232
 233 /**
 234  * Highlight General Information
 235  *
 236  * For btngrX_dsp_ty the bits have the following meaning:
 237  * 000b: normal 4/3 only buttons
 238  * XX1b: wide (16/9) buttons
 239  * X1Xb: letterbox buttons
 240  * 1XXb: pan&scan buttons
 241  */
 242 typedef struct {
 243   uint16_t hli_ss; /**< status, only low 2 bits 0: no buttons, 1: different 2: equal 3: eual except for button cmds */
 244   uint32_t hli_s_ptm;              /**< start ptm of hli */
 245   uint32_t hli_e_ptm;              /**< end ptm of hli */
 246   uint32_t btn_se_e_ptm;           /**< end ptm of button select */
 247 #ifdef WORDS_BIGENDIAN
 248   unsigned char zero1 : 2;          /**< reserved */
 249   unsigned char btngr_ns : 2;       /**< number of button groups 1, 2 or 3 with 36/18/12 buttons */
 250   unsigned char zero2 : 1;          /**< reserved */
 251   unsigned char btngr1_dsp_ty : 3;  /**< display type of subpic stream for button group 1 */
 252   unsigned char zero3 : 1;          /**< reserved */
 253   unsigned char btngr2_dsp_ty : 3;  /**< display type of subpic stream for button group 2 */
 254   unsigned char zero4 : 1;          /**< reserved */
 255   unsigned char btngr3_dsp_ty : 3;  /**< display type of subpic stream for button group 3 */
 256 #else
 257   unsigned char btngr1_dsp_ty : 3;
 258   unsigned char zero2 : 1;
 259   unsigned char btngr_ns : 2;
 260   unsigned char zero1 : 2;
 261   unsigned char btngr3_dsp_ty : 3;
 262   unsigned char zero4 : 1;
 263   unsigned char btngr2_dsp_ty : 3;
 264   unsigned char zero3 : 1;
 265 #endif
 266   uint8_t btn_ofn;     /**< button offset number range 0-255 */
 267   uint8_t btn_ns;      /**< number of valid buttons  <= 36/18/12 (low 6 bits) */
 268   uint8_t nsl_btn_ns;  /**< number of buttons selectable by U_BTNNi (low 6 bits)   nsl_btn_ns <= btn_ns */
 269   uint8_t zero5;       /**< reserved */
 270   uint8_t fosl_btnn;   /**< forcedly selected button  (low 6 bits) */
 271   uint8_t foac_btnn;   /**< forcedly activated button (low 6 bits) */
 272 } ATTRIBUTE_PACKED hl_gi_t;
 273
 274
 275 /**
 276  * Button Color Information Table
 277  * Each entry beeing a 32bit word that contains the color indexs and alpha
 278  * values to use.  They are all represented by 4 bit number and stored
 279  * like this [Ci3, Ci2, Ci1, Ci0, A3, A2, A1, A0].   The actual palette
 280  * that the indexes reference is in the PGC.
 281  * @TODO split the uint32_t into a struct
 282  */
 283 typedef struct {
 284   uint32_t btn_coli[3][2];  /**< [button color number-1][select:0/action:1] */
 285 } ATTRIBUTE_PACKED btn_colit_t;
 286
 287 /**
 288  * Button Information
 289  *
 290  * NOTE: I've had to change the structure from the disk layout to get
 291  * the packing to work with Sun's Forte C compiler.
 292  * The 4 and 7 bytes are 'rotated' was: ABC DEF GHIJ  is: ABCG DEFH IJ
 293  */
 294 typedef struct {
 295 #ifdef WORDS_BIGENDIAN
 296   uint32        btn_coln         : 2;  /**< button color number */
 297   uint32        x_start          : 10; /**< x start offset within the overlay */
 298   uint32        zero1            : 2;  /**< reserved */
 299   uint32        x_end            : 10; /**< x end offset within the overlay */
 300
 301   uint32        zero3            : 2;  /**< reserved */
 302   uint32        up               : 6;  /**< button index when pressing up */
 303
 304   uint32        auto_action_mode : 2;  /**< 0: no, 1: activated if selected */
 305   uint32        y_start          : 10; /**< y start offset within the overlay */
 306   uint32        zero2            : 2;  /**< reserved */
 307   uint32        y_end            : 10; /**< y end offset within the overlay */
 308
 309   uint32        zero4            : 2;  /**< reserved */
 310   uint32        down             : 6;  /**< button index when pressing down */
 311   unsigned char zero5            : 2;  /**< reserved */
 312   unsigned char left             : 6;  /**< button index when pressing left */
 313   unsigned char zero6            : 2;  /**< reserved */
 314   unsigned char right            : 6;  /**< button index when pressing right */
 315 #else
 316   uint32        x_end            : 10;
 317   uint32        zero1            : 2;
 318   uint32        x_start          : 10;
 319   uint32        btn_coln         : 2;
 320
 321   uint32        up               : 6;
 322   uint32        zero3            : 2;
 323
 324   uint32        y_end            : 10;
 325   uint32        zero2            : 2;
 326   uint32        y_start          : 10;
 327   uint32        auto_action_mode : 2;
 328
 329   uint32        down             : 6;
 330   uint32        zero4            : 2;
 331   unsigned char left             : 6;
 332   unsigned char zero5            : 2;
 333   unsigned char right            : 6;
 334   unsigned char zero6            : 2;
 335 #endif
 336   vm_cmd_t cmd;
 337 } ATTRIBUTE_PACKED btni_t;
 338
 339 /**
 340  * Highlight Information
 341  */
 342 typedef struct {
 343   hl_gi_t     hl_gi;
 344   btn_colit_t btn_colit;
 345   btni_t      btnit[36];
 346 } ATTRIBUTE_PACKED hli_t;
 347
 348 /**
 349  * PCI packet
 350  */
 351 typedef struct {
 352   pci_gi_t    pci_gi;
 353   nsml_agli_t nsml_agli;
 354   hli_t       hli;
 355   uint8_t     zero1[189];
 356 } ATTRIBUTE_PACKED pci_t;
 357
 358
 359 #if PRAGMA_PACK
 360 #pragma pack()
 361 #endif
 362 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 363
 364
 365 /**
 366  * What's between a directory and a filename?
 367  */
 368 #if defined( WIN32 )
 369     #define DIRECTORY_SEPARATOR '\\'
 370 #else
 371     #define DIRECTORY_SEPARATOR '/'
 372 #endif
 373
 374 using namespace LIBMATROSKA_NAMESPACE;
 375 using namespace std;
 376
 377 /*****************************************************************************
 378  * Module descriptor
 379  *****************************************************************************/
 380 static int  Open ( vlc_object_t * );
 381 static void Close( vlc_object_t * );
 382
 383 vlc_module_begin();
 384     set_shortname( "Matroska" );
 385     set_description( _("Matroska stream demuxer" ) );
 386     set_capability( "demux2", 50 );
 387     set_callbacks( Open, Close );
 388     set_category( CAT_INPUT );
 389     set_subcategory( SUBCAT_INPUT_DEMUX );
 390
 391     add_bool( "mkv-use-ordered-chapters", 1, NULL,
 392             N_("Ordered chapters"),
 393             N_("Play ordered chapters as specified in the segment."), VLC_TRUE );
 394
 395     add_bool( "mkv-use-chapter-codec", 1, NULL,
 396             N_("Chapter codecs"),
 397             N_("Use chapter codecs found in the segment."), VLC_TRUE );
 398
 399     add_bool( "mkv-seek-percent", 0, NULL,
 400             N_("Seek based on percent not time."),
 401             N_("Seek based on percent not time."), VLC_TRUE );
 402
 403     add_bool( "mkv-use-dummy", 0, NULL,
 404             N_("Dummy Elements"),
 405             N_("Read and discard unknown EBML elements (not good for broken files)."), VLC_TRUE );
 406
 407     add_shortcut( "mka" );
 408     add_shortcut( "mkv" );
 409 vlc_module_end();
 410
 411 /*****************************************************************************
 412  * Local prototypes
 413  *****************************************************************************/
 414 #ifdef HAVE_ZLIB_H
 415 block_t *block_zlib_decompress( vlc_object_t *p_this, block_t *p_in_block ) {
 416     int result, dstsize, n;
 417     unsigned char *dst;
 418     block_t *p_block;
 419     z_stream d_stream;
 420
 421     d_stream.zalloc = (alloc_func)0;
 422     d_stream.zfree = (free_func)0;
 423     d_stream.opaque = (voidpf)0;
 424     result = inflateInit(&d_stream);
 425     if( result != Z_OK )
 426     {
 427         msg_Dbg( p_this, "inflateInit() failed. Result: %d", result );
 428         return NULL;
 429     }
 430
 431     d_stream.next_in = (Bytef *)p_in_block->p_buffer;
 432     d_stream.avail_in = p_in_block->i_buffer;
 433     n = 0;
 434     p_block = block_New( p_this, 0 );
 435     dst = NULL;
 436     do
 437     {
 438         n++;
 439         p_block = block_Realloc( p_block, 0, n * 1000 );
 440         dst = (unsigned char *)p_block->p_buffer;
 441         d_stream.next_out = (Bytef *)&dst[(n - 1) * 1000];
 442         d_stream.avail_out = 1000;
 443         result = inflate(&d_stream, Z_NO_FLUSH);
 444         if( ( result != Z_OK ) && ( result != Z_STREAM_END ) )
 445         {
 446             msg_Dbg( p_this, "Zlib decompression failed. Result: %d", result );
 447             return NULL;
 448         }
 449     }
 450     while( ( d_stream.avail_out == 0 ) && ( d_stream.avail_in != 0 ) &&
 451            ( result != Z_STREAM_END ) );
 452
 453     dstsize = d_stream.total_out;
 454     inflateEnd( &d_stream );
 455
 456     p_block = block_Realloc( p_block, 0, dstsize );
 457     p_block->i_buffer = dstsize;
 458     block_Release( p_in_block );
 459
 460     return p_block;
 461 }
 462 #endif
 463
 464 /**
 465  * Helper function to print the mkv parse tree
 466  */
 467 static void MkvTree( demux_t & demuxer, int i_level, char *psz_format, ... )
 468 {
 469     va_list args;
 470     if( i_level > 9 )
 471     {
 472         msg_Err( &demuxer, "too deep tree" );
 473         return;
 474     }
 475     va_start( args, psz_format );
 476     static char *psz_foo = "|   |   |   |   |   |   |   |   |   |";
 477     char *psz_foo2 = (char*)malloc( ( i_level * 4 + 3 + strlen( psz_format ) ) * sizeof(char) );
 478     strncpy( psz_foo2, psz_foo, 4 * i_level );
 479     psz_foo2[ 4 * i_level ] = '+';
 480     psz_foo2[ 4 * i_level + 1 ] = ' ';
 481     strcpy( &psz_foo2[ 4 * i_level + 2 ], psz_format );
 482     __msg_GenericVa( VLC_OBJECT(&demuxer), VLC_MSG_DBG, "mkv", psz_foo2, args );
 483     free( psz_foo2 );
 484     va_end( args );
 485 }
 486
 487 /*****************************************************************************
 488  * Stream managment
 489  *****************************************************************************/
 490 class vlc_stream_io_callback: public IOCallback
 491 {
 492   private:
 493     stream_t       *s;
 494     vlc_bool_t     mb_eof;
 495
 496   public:
 497     vlc_stream_io_callback( stream_t * );
 498
 499     virtual uint32   read            ( void *p_buffer, size_t i_size);
 500     virtual void     setFilePointer  ( int64_t i_offset, seek_mode mode = seek_beginning );
 501     virtual size_t   write           ( const void *p_buffer, size_t i_size);
 502     virtual uint64   getFilePointer  ( void );
 503     virtual void     close           ( void );
 504 };
 505
 506 /*****************************************************************************
 507  * Ebml Stream parser
 508  *****************************************************************************/
 509 class EbmlParser
 510 {
 511   public:
 512     EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux );
 513     virtual ~EbmlParser( void );
 514
 515     void Up( void );
 516     void Down( void );
 517     void Reset( demux_t *p_demux );
 518     EbmlElement *Get( void );
 519     void        Keep( void );
 520     EbmlElement *UnGet( uint64 i_block_pos, uint64 i_cluster_pos );
 521
 522     int GetLevel( void );
 523
 524   private:
 525     EbmlStream  *m_es;
 526     int         mi_level;
 527     EbmlElement *m_el[10];
 528     int64_t      mi_remain_size[10];
 529
 530     EbmlElement *m_got;
 531
 532     int         mi_user_level;
 533     vlc_bool_t  mb_keep;
 534     vlc_bool_t  mb_dummy;
 535 };
 536
 537
 538 /*****************************************************************************
 539  * Some functions to manipulate memory
 540  *****************************************************************************/
 541 #define GetFOURCC( p )  __GetFOURCC( (uint8_t*)p )
 542 static vlc_fourcc_t __GetFOURCC( uint8_t *p )
 543 {
 544     return VLC_FOURCC( p[0], p[1], p[2], p[3] );
 545 }
 546
 547 /*****************************************************************************
 548  * definitions of structures and functions used by this plugins
 549  *****************************************************************************/
 550 typedef struct
 551 {
 552     vlc_bool_t   b_default;
 553     vlc_bool_t   b_enabled;
 554     unsigned int i_number;
 555
 556     int          i_extra_data;
 557     uint8_t      *p_extra_data;
 558
 559     char         *psz_codec;
 560
 561     uint64_t     i_default_duration;
 562     float        f_timecodescale;
 563
 564     /* video */
 565     es_format_t fmt;
 566     float       f_fps;
 567     es_out_id_t *p_es;
 568
 569     vlc_bool_t      b_inited;
 570     /* data to be send first */
 571     int             i_data_init;
 572     uint8_t         *p_data_init;
 573
 574     /* hack : it's for seek */
 575     vlc_bool_t      b_search_keyframe;
 576     vlc_bool_t      b_silent;
 577
 578     /* informative */
 579     char         *psz_codec_name;
 580     char         *psz_codec_settings;
 581     char         *psz_codec_info_url;
 582     char         *psz_codec_download_url;
 583
 584     /* encryption/compression */
 585     int           i_compression_type;
 586
 587 } mkv_track_t;
 588
 589 typedef struct
 590 {
 591     int     i_track;
 592     int     i_block_number;
 593
 594     int64_t i_position;
 595     int64_t i_time;
 596
 597     vlc_bool_t b_key;
 598 } mkv_index_t;
 599
 600 class demux_sys_t;
 601
 602 const binary MATROSKA_DVD_LEVEL_SS   = 0x30;
 603 const binary MATROSKA_DVD_LEVEL_LU   = 0x2A;
 604 const binary MATROSKA_DVD_LEVEL_TT   = 0x28;
 605 const binary MATROSKA_DVD_LEVEL_PGC  = 0x20;
 606 const binary MATROSKA_DVD_LEVEL_PG   = 0x18;
 607 const binary MATROSKA_DVD_LEVEL_PTT  = 0x10;
 608 const binary MATROSKA_DVD_LEVEL_CN   = 0x08;
 609
 610 class chapter_codec_cmds_c
 611 {
 612 public:
 613     chapter_codec_cmds_c( demux_sys_t & demuxer, int codec_id = -1)
 614     :p_private_data(NULL)
 615     ,i_codec_id( codec_id )
 616     ,sys( demuxer )
 617     {}
 618
 619     virtual ~chapter_codec_cmds_c()
 620     {
 621         delete p_private_data;
 622         std::vector<KaxChapterProcessData*>::iterator indexe = enter_cmds.begin();
 623         while ( indexe != enter_cmds.end() )
 624         {
 625             delete (*indexe);
 626             indexe++;
 627         }
 628         std::vector<KaxChapterProcessData*>::iterator indexl = leave_cmds.begin();
 629         while ( indexl != leave_cmds.end() )
 630         {
 631             delete (*indexl);
 632             indexl++;
 633         }
 634         std::vector<KaxChapterProcessData*>::iterator indexd = during_cmds.begin();
 635         while ( indexd != during_cmds.end() )
 636         {
 637             delete (*indexd);
 638             indexd++;
 639         }
 640     }
 641
 642     void SetPrivate( const KaxChapterProcessPrivate & private_data )
 643     {
 644         p_private_data = new KaxChapterProcessPrivate( private_data );
 645     }
 646
 647     void AddCommand( const KaxChapterProcessCommand & command );
 648
 649     /// \return wether the codec has seeked in the files or not
 650     virtual bool Enter() { return false; }
 651     virtual bool Leave() { return false; }
 652     virtual std::string GetCodecName( bool f_for_title = false ) const { return ""; }
 653     virtual int16 GetTitleNumber() { return -1; }
 654
 655     KaxChapterProcessPrivate *p_private_data;
 656
 657 protected:
 658     std::vector<KaxChapterProcessData*> enter_cmds;
 659     std::vector<KaxChapterProcessData*> during_cmds;
 660     std::vector<KaxChapterProcessData*> leave_cmds;
 661
 662     int i_codec_id;
 663     demux_sys_t & sys;
 664 };
 665
 666 class dvd_command_interpretor_c
 667 {
 668 public:
 669     dvd_command_interpretor_c( demux_sys_t & demuxer )
 670     :sys( demuxer )
 671     {
 672         memset( p_PRMs, 0, sizeof(p_PRMs) );
 673         p_PRMs[ 0x80 + 1 ] = 15;
 674         p_PRMs[ 0x80 + 2 ] = 62;
 675         p_PRMs[ 0x80 + 3 ] = 1;
 676         p_PRMs[ 0x80 + 4 ] = 1;
 677         p_PRMs[ 0x80 + 7 ] = 1;
 678         p_PRMs[ 0x80 + 8 ] = 1;
 679         p_PRMs[ 0x80 + 16 ] = 0xFFFFu;
 680         p_PRMs[ 0x80 + 18 ] = 0xFFFFu;
 681     }
 682
 683     bool Interpret( const binary * p_command, size_t i_size = 8 );
 684
 685     uint16 GetPRM( size_t index ) const
 686     {
 687         if ( index < 256 )
 688             return p_PRMs[ index ];
 689         else return 0;
 690     }
 691
 692     uint16 GetGPRM( size_t index ) const
 693     {
 694         if ( index >= 0 && index < 16 )
 695             return p_PRMs[ index ];
 696         else return 0;
 697     }
 698
 699     uint16 GetSPRM( size_t index ) const
 700     {
 701         // 21,22,23 reserved for future use
 702         if ( index >= 0x80 && index < 0x95 )
 703             return p_PRMs[ index ];
 704         else return 0;
 705     }
 706
 707     bool SetPRM( size_t index, uint16 value )
 708     {
 709         if ( index >= 0 && index < 16 )
 710         {
 711             p_PRMs[ index ] = value;
 712             return true;
 713         }
 714         return false;
 715     }
 716
 717     bool SetGPRM( size_t index, uint16 value )
 718     {
 719         if ( index >= 0 && index < 16 )
 720         {
 721             p_PRMs[ index ] = value;
 722             return true;
 723         }
 724         return false;
 725     }
 726
 727     bool SetSPRM( size_t index, uint16 value )
 728     {
 729         if ( index > 0x80 && index <= 0x8D && index != 0x8C )
 730         {
 731             p_PRMs[ index ] = value;
 732             return true;
 733         }
 734         return false;
 735     }
 736
 737 protected:
 738     std::string GetRegTypeName( bool b_value, uint16 value ) const
 739     {
 740         std::string result;
 741         char s_value[6], s_reg_value[6];
 742         sprintf( s_value, "%.5d", value );
 743
 744         if ( b_value )
 745         {
 746             result = "value (";
 747             result += s_value;
 748             result += ")";
 749         }
 750         else if ( value < 0x80 )
 751         {
 752             sprintf( s_reg_value, "%.5d", GetPRM( value ) );
 753             result = "GPreg[";
 754             result += s_value;
 755             result += "] (";
 756             result += s_reg_value;
 757             result += ")";
 758         }
 759         else
 760         {
 761             sprintf( s_reg_value, "%.5d", GetPRM( value ) );
 762             result = "SPreg[";
 763             result += s_value;
 764             result += "] (";
 765             result += s_reg_value;
 766             result += ")";
 767         }
 768         return result;
 769     }
 770
 771     uint16       p_PRMs[256];
 772     demux_sys_t  & sys;
 773
 774     // DVD command IDs
 775
 776     // Tests
 777     // wether it's a comparison on the value or register
 778     static const uint16 CMD_DVD_TEST_VALUE          = 0x80;
 779     static const uint16 CMD_DVD_IF_GPREG_AND        = (1 << 4);
 780     static const uint16 CMD_DVD_IF_GPREG_EQUAL      = (2 << 4);
 781     static const uint16 CMD_DVD_IF_GPREG_NOT_EQUAL  = (3 << 4);
 782     static const uint16 CMD_DVD_IF_GPREG_SUP_EQUAL  = (4 << 4);
 783     static const uint16 CMD_DVD_IF_GPREG_SUP        = (5 << 4);
 784     static const uint16 CMD_DVD_IF_GPREG_INF_EQUAL  = (6 << 4);
 785     static const uint16 CMD_DVD_IF_GPREG_INF        = (7 << 4);
 786
 787     static const uint16 CMD_DVD_NOP                    = 0x0000;
 788     static const uint16 CMD_DVD_GOTO_LINE              = 0x0001;
 789     static const uint16 CMD_DVD_BREAK                  = 0x0002;
 790     // Links
 791     static const uint16 CMD_DVD_NOP2                   = 0x2001;
 792     static const uint16 CMD_DVD_LINKPGCN               = 0x2004;
 793     static const uint16 CMD_DVD_LINKPGN                = 0x2006;
 794     static const uint16 CMD_DVD_LINKCN                 = 0x2007;
 795     static const uint16 CMD_DVD_JUMP_TT                = 0x3002;
 796     static const uint16 CMD_DVD_JUMPVTS_TT             = 0x3003;
 797     static const uint16 CMD_DVD_JUMPVTS_PTT            = 0x3005;
 798     static const uint16 CMD_DVD_JUMP_SS                = 0x3006;
 799     static const uint16 CMD_DVD_CALLSS_VTSM1           = 0x3008;
 800     //
 801     static const uint16 CMD_DVD_SET_HL_BTNN2           = 0x4600;
 802     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN1  = 0x4604;
 803     static const uint16 CMD_DVD_SET_STREAM             = 0x5100;
 804     static const uint16 CMD_DVD_SET_GPRMMD             = 0x5300;
 805     static const uint16 CMD_DVD_SET_HL_BTNN1           = 0x5600;
 806     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN2  = 0x5604;
 807     static const uint16 CMD_DVD_SET_HL_BTNN_LINKCN     = 0x5607;
 808     // Operations
 809     static const uint16 CMD_DVD_MOV_SPREG_PREG         = 0x6100;
 810     static const uint16 CMD_DVD_GPREG_MOV_VALUE        = 0x7100;
 811     static const uint16 CMD_DVD_SUB_GPREG              = 0x7400;
 812     static const uint16 CMD_DVD_MULT_GPREG             = 0x7500;
 813     static const uint16 CMD_DVD_GPREG_DIV_VALUE        = 0x7600;
 814     static const uint16 CMD_DVD_GPREG_AND_VALUE        = 0x7900;
 815
 816     // callbacks when browsing inside CodecPrivate
 817     static bool MatchIsDomain     ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 818     static bool MatchIsVMG        ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 819     static bool MatchVTSNumber    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 820     static bool MatchVTSMNumber   ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 821     static bool MatchTitleNumber  ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 822     static bool MatchPgcType      ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 823     static bool MatchPgcNumber    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 824     static bool MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 825     static bool MatchCellNumber   ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 826 };
 827
 828 class dvd_chapter_codec_c : public chapter_codec_cmds_c
 829 {
 830 public:
 831     dvd_chapter_codec_c( demux_sys_t & sys )
 832     :chapter_codec_cmds_c( sys, 1 )
 833     {}
 834
 835     bool Enter();
 836     bool Leave();
 837     std::string GetCodecName( bool f_for_title = false ) const;
 838     int16 GetTitleNumber();
 839 };
 840
 841 class matroska_script_interpretor_c
 842 {
 843 public:
 844     matroska_script_interpretor_c( demux_sys_t & demuxer )
 845     :sys( demuxer )
 846     {}
 847
 848     bool Interpret( const binary * p_command, size_t i_size );
 849
 850     // DVD command IDs
 851     static const std::string CMD_MS_GOTO_AND_PLAY;
 852
 853 protected:
 854     demux_sys_t  & sys;
 855 };
 856
 857 const std::string matroska_script_interpretor_c::CMD_MS_GOTO_AND_PLAY = "GotoAndPlay";
 858
 859
 860 class matroska_script_codec_c : public chapter_codec_cmds_c
 861 {
 862 public:
 863     matroska_script_codec_c( demux_sys_t & sys )
 864     :chapter_codec_cmds_c( sys, 0 )
 865     ,interpretor( sys )
 866     {}
 867
 868     bool Enter();
 869     bool Leave();
 870
 871 protected:
 872     matroska_script_interpretor_c interpretor;
 873 };
 874
 875 class chapter_translation_c
 876 {
 877 public:
 878     chapter_translation_c()
 879         :p_translated(NULL)
 880     {}
 881
 882     ~chapter_translation_c()
 883     {
 884         delete p_translated;
 885     }
 886
 887     KaxChapterTranslateID  *p_translated;
 888     unsigned int           codec_id;
 889     std::vector<uint64_t>  editions;
 890 };
 891
 892 class chapter_item_c
 893 {
 894 public:
 895     chapter_item_c()
 896     :i_start_time(0)
 897     ,i_end_time(-1)
 898     ,i_user_start_time(-1)
 899     ,i_user_end_time(-1)
 900     ,i_seekpoint_num(-1)
 901     ,b_display_seekpoint(true)
 902     ,b_user_display(false)
 903     ,psz_parent(NULL)
 904     ,b_is_leaving(false)
 905     {}
 906
 907     virtual ~chapter_item_c()
 908     {
 909         std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
 910         while ( index != codecs.end() )
 911         {
 912             delete (*index);
 913             index++;
 914         }
 915         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
 916         while ( index_ != sub_chapters.end() )
 917         {
 918             delete (*index_);
 919             index_++;
 920         }
 921     }
 922
 923     int64_t RefreshChapters( bool b_ordered, int64_t i_prev_user_time );
 924     int PublishChapters( input_title_t & title, int & i_user_chapters, int i_level = 0 );
 925     virtual chapter_item_c * FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current, bool & b_found );
 926     void Append( const chapter_item_c & edition );
 927     chapter_item_c * FindChapter( int64_t i_find_uid );
 928     virtual chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
 929                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
 930                                     const void *p_cookie,
 931                                     size_t i_cookie_size );
 932     std::string                 GetCodecName( bool f_for_title = false ) const;
 933     bool                        ParentOf( const chapter_item_c & item ) const;
 934     int16                       GetTitleNumber( ) const;
 935
 936     int64_t                     i_start_time, i_end_time;
 937     int64_t                     i_user_start_time, i_user_end_time; /* the time in the stream when an edition is ordered */
 938     std::vector<chapter_item_c*> sub_chapters;
 939     int                         i_seekpoint_num;
 940     int64_t                     i_uid;
 941     bool                        b_display_seekpoint;
 942     bool                        b_user_display;
 943     std::string                 psz_name;
 944     chapter_item_c              *psz_parent;
 945     bool                        b_is_leaving;
 946
 947     std::vector<chapter_codec_cmds_c*> codecs;
 948
 949     bool operator<( const chapter_item_c & item ) const
 950     {
 951         return ( i_user_start_time < item.i_user_start_time || (i_user_start_time == item.i_user_start_time && i_user_end_time < item.i_user_end_time) );
 952     }
 953
 954     bool Enter( bool b_do_subchapters );
 955     bool Leave( bool b_do_subchapters );
 956     bool EnterAndLeave( chapter_item_c *p_item, bool b_enter = true );
 957 };
 958
 959 class chapter_edition_c : public chapter_item_c
 960 {
 961 public:
 962     chapter_edition_c()
 963     :b_ordered(false)
 964     {}
 965
 966     void RefreshChapters( );
 967     mtime_t Duration() const;
 968     std::string GetMainName() const;
 969     chapter_item_c * FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current );
 970
 971     bool                        b_ordered;
 972 };
 973
 974 class matroska_segment_c
 975 {
 976 public:
 977     matroska_segment_c( demux_sys_t & demuxer, EbmlStream & estream )
 978         :segment(NULL)
 979         ,es(estream)
 980         ,i_timescale(MKVD_TIMECODESCALE)
 981         ,i_duration(-1)
 982         ,i_start_time(0)
 983         ,i_cues_position(-1)
 984         ,i_chapters_position(-1)
 985         ,i_tags_position(-1)
 986         ,cluster(NULL)
 987         ,i_block_pos(0)
 988         ,i_cluster_pos(0)
 989         ,i_start_pos(0)
 990         ,p_segment_uid(NULL)
 991         ,p_prev_segment_uid(NULL)
 992         ,p_next_segment_uid(NULL)
 993         ,b_cues(VLC_FALSE)
 994         ,i_index(0)
 995         ,i_index_max(1024)
 996         ,psz_muxing_application(NULL)
 997         ,psz_writing_application(NULL)
 998         ,psz_segment_filename(NULL)
 999         ,psz_title(NULL)
1000         ,psz_date_utc(NULL)
1001         ,i_default_edition(0)
1002         ,sys(demuxer)
1003         ,ep(NULL)
1004         ,b_preloaded(false)
1005     {
1006         p_indexes = (mkv_index_t*)malloc( sizeof( mkv_index_t ) * i_index_max );
1007     }
1008
1009     virtual ~matroska_segment_c()
1010     {
1011         for( size_t i_track = 0; i_track < tracks.size(); i_track++ )
1012         {
1013             if( tracks[i_track]->fmt.psz_description )
1014             {
1015                 free( tracks[i_track]->fmt.psz_description );
1016             }
1017 /*            if( tracks[i_track]->psz_codec )
1018             {
1019                 free( tracks[i_track]->psz_codec );
1020             }
1021             if( tracks[i_track]->fmt.psz_language )
1022             {
1023                 free( tracks[i_track]->fmt.psz_language );
1024             }*/
1025             delete tracks[i_track];
1026         }
1027
1028         if( psz_writing_application )
1029         {
1030             free( psz_writing_application );
1031         }
1032         if( psz_muxing_application )
1033         {
1034             free( psz_muxing_application );
1035         }
1036         if( psz_segment_filename )
1037         {
1038             free( psz_segment_filename );
1039         }
1040         if( psz_title )
1041         {
1042             free( psz_title );
1043         }
1044         if( psz_date_utc )
1045         {
1046             free( psz_date_utc );
1047         }
1048         if ( p_indexes )
1049             free( p_indexes );
1050
1051         delete ep;
1052         delete p_segment_uid;
1053         delete p_prev_segment_uid;
1054         delete p_next_segment_uid;
1055
1056         std::vector<chapter_edition_c*>::iterator index = stored_editions.begin();
1057         while ( index != stored_editions.end() )
1058         {
1059             delete (*index);
1060             index++;
1061         }
1062         std::vector<chapter_translation_c*>::iterator indext = translations.begin();
1063         while ( indext != translations.end() )
1064         {
1065             delete (*indext);
1066             indext++;
1067         }
1068     }
1069
1070     KaxSegment              *segment;
1071     EbmlStream              & es;
1072
1073     /* time scale */
1074     uint64_t                i_timescale;
1075
1076     /* duration of the segment */
1077     mtime_t                 i_duration;
1078     mtime_t                 i_start_time;
1079
1080     /* all tracks */
1081     std::vector<mkv_track_t*> tracks;
1082
1083     /* from seekhead */
1084     int64_t                 i_cues_position;
1085     int64_t                 i_chapters_position;
1086     int64_t                 i_tags_position;
1087
1088     KaxCluster              *cluster;
1089     uint64                  i_block_pos;
1090     uint64                  i_cluster_pos;
1091     int64_t                 i_start_pos;
1092     KaxSegmentUID           *p_segment_uid;
1093     KaxPrevUID              *p_prev_segment_uid;
1094     KaxNextUID              *p_next_segment_uid;
1095
1096     vlc_bool_t              b_cues;
1097     int                     i_index;
1098     int                     i_index_max;
1099     mkv_index_t             *p_indexes;
1100
1101     /* info */
1102     char                    *psz_muxing_application;
1103     char                    *psz_writing_application;
1104     char                    *psz_segment_filename;
1105     char                    *psz_title;
1106     char                    *psz_date_utc;
1107
1108     /* !!!!! GCC 3.3 bug on Darwin !!!!! */
1109     /* when you remove this variable the compiler issues an atomicity error */
1110     /* this variable only works when using std::vector<chapter_edition_c> */
1111     std::vector<chapter_edition_c*> stored_editions;
1112     int                             i_default_edition;
1113
1114     std::vector<chapter_translation_c*> translations;
1115     std::vector<KaxSegmentFamily>  families;
1116
1117     demux_sys_t                    & sys;
1118     EbmlParser                     *ep;
1119     bool                           b_preloaded;
1120
1121     bool Preload( );
1122     bool PreloadFamily( const matroska_segment_c & segment );
1123     void ParseInfo( KaxInfo *info );
1124     void ParseChapters( KaxChapters *chapters );
1125     void ParseSeekHead( KaxSeekHead *seekhead );
1126     void ParseTracks( KaxTracks *tracks );
1127     void ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters );
1128     void ParseTrackEntry( KaxTrackEntry *m );
1129     void ParseCluster( );
1130     void IndexAppendCluster( KaxCluster *cluster );
1131     void LoadCues( );
1132     void LoadTags( );
1133     void InformationCreate( );
1134     void Seek( mtime_t i_date, mtime_t i_time_offset );
1135     int BlockGet( KaxBlock * & pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration );
1136     bool Select( mtime_t i_start_time );
1137     void UnSelect( );
1138
1139     static bool CompareSegmentUIDs( const matroska_segment_c * item_a, const matroska_segment_c * item_b );
1140 };
1141
1142 // class holding hard-linked segment together in the playback order
1143 class virtual_segment_c
1144 {
1145 public:
1146     virtual_segment_c( matroska_segment_c *p_segment )
1147         :p_editions(NULL)
1148         ,i_sys_title(0)
1149         ,i_current_segment(0)
1150         ,i_current_edition(-1)
1151         ,psz_current_chapter(NULL)
1152     {
1153         linked_segments.push_back( p_segment );
1154
1155         AppendUID( p_segment->p_segment_uid );
1156         AppendUID( p_segment->p_prev_segment_uid );
1157         AppendUID( p_segment->p_next_segment_uid );
1158     }
1159
1160     void Sort();
1161     size_t AddSegment( matroska_segment_c *p_segment );
1162     void PreloadLinked( );
1163     mtime_t Duration( ) const;
1164     void LoadCues( );
1165     void Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter );
1166
1167     inline chapter_edition_c *Edition()
1168     {
1169         if ( i_current_edition >= 0 && size_t(i_current_edition) < p_editions->size() )
1170             return (*p_editions)[i_current_edition];
1171         return NULL;
1172     }
1173
1174     matroska_segment_c * Segment() const
1175     {
1176         if ( linked_segments.size() == 0 || i_current_segment >= linked_segments.size() )
1177             return NULL;
1178         return linked_segments[i_current_segment];
1179     }
1180
1181     inline chapter_item_c *CurrentChapter() {
1182         return psz_current_chapter;
1183     }
1184
1185     bool SelectNext()
1186     {
1187         if ( i_current_segment < linked_segments.size()-1 )
1188         {
1189             i_current_segment++;
1190             return true;
1191         }
1192         return false;
1193     }
1194
1195     bool FindUID( KaxSegmentUID & uid ) const
1196     {
1197         for ( size_t i=0; i<linked_uids.size(); i++ )
1198         {
1199             if ( linked_uids[i] == uid )
1200                 return true;
1201         }
1202         return false;
1203     }
1204
1205     bool UpdateCurrentToChapter( demux_t & demux );
1206     void PrepareChapters( );
1207
1208     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
1209                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
1210                                         const void *p_cookie,
1211                                         size_t i_cookie_size );
1212     chapter_item_c *FindChapter( int64_t i_find_uid );
1213
1214     std::vector<chapter_edition_c*>  *p_editions;
1215     int                              i_sys_title;
1216
1217 protected:
1218     std::vector<matroska_segment_c*> linked_segments;
1219     std::vector<KaxSegmentUID>       linked_uids;
1220     size_t                           i_current_segment;
1221
1222     int                              i_current_edition;
1223     chapter_item_c                   *psz_current_chapter;
1224
1225     void                             AppendUID( const EbmlBinary * UID );
1226 };
1227
1228 class matroska_stream_c
1229 {
1230 public:
1231     matroska_stream_c( demux_sys_t & demuxer )
1232         :p_in(NULL)
1233         ,p_es(NULL)
1234         ,sys(demuxer)
1235     {}
1236
1237     virtual ~matroska_stream_c()
1238     {
1239         delete p_in;
1240         delete p_es;
1241     }
1242
1243     IOCallback         *p_in;
1244     EbmlStream         *p_es;
1245
1246     std::vector<matroska_segment_c*> segments;
1247
1248     demux_sys_t                      & sys;
1249 };
1250
1251 typedef struct
1252 {
1253     VLC_COMMON_MEMBERS
1254
1255     demux_t        *p_demux;
1256     vlc_mutex_t     lock;
1257
1258     vlc_bool_t      b_moved;
1259     vlc_bool_t      b_clicked;
1260     vlc_bool_t      b_key;
1261
1262 } event_thread_t;
1263
1264 class demux_sys_t
1265 {
1266 public:
1267     demux_sys_t( demux_t & demux )
1268         :demuxer(demux)
1269         ,i_pts(0)
1270         ,i_last_dts(0)
1271         ,i_start_pts(0)
1272         ,i_chapter_time(0)
1273         ,meta(NULL)
1274         ,i_current_title(0)
1275         ,p_current_segment(NULL)
1276         ,dvd_interpretor( *this )
1277         ,f_duration(-1.0)
1278         ,b_ui_hooked(false)
1279         ,p_input(NULL)
1280         ,b_pci_packet_set(false)
1281         ,p_ev(NULL)
1282     {
1283         vlc_mutex_init( &demuxer, &lock_demuxer );
1284     }
1285
1286     virtual ~demux_sys_t()
1287     {
1288         StopUiThread();
1289         size_t i;
1290         for ( i=0; i<streams.size(); i++ )
1291             delete streams[i];
1292         for ( i=0; i<opened_segments.size(); i++ )
1293             delete opened_segments[i];
1294         for ( i=0; i<used_segments.size(); i++ )
1295             delete used_segments[i];
1296         vlc_mutex_destroy( &lock_demuxer );
1297     }
1298
1299     /* current data */
1300     demux_t                 & demuxer;
1301
1302     mtime_t                 i_pts;
1303     mtime_t                 i_last_dts;
1304     mtime_t                 i_start_pts;
1305     mtime_t                 i_chapter_time;
1306
1307     vlc_meta_t              *meta;
1308
1309     std::vector<input_title_t*>      titles; // matroska editions
1310     size_t                           i_current_title;
1311
1312     std::vector<matroska_stream_c*>  streams;
1313     std::vector<matroska_segment_c*> opened_segments;
1314     std::vector<virtual_segment_c*>  used_segments;
1315     virtual_segment_c                *p_current_segment;
1316
1317     dvd_command_interpretor_c        dvd_interpretor;
1318
1319     /* duration of the stream */
1320     float                   f_duration;
1321
1322     matroska_segment_c *FindSegment( const EbmlBinary & uid ) const;
1323     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
1324                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
1325                                         const void *p_cookie,
1326                                         size_t i_cookie_size,
1327                                         virtual_segment_c * & p_segment_found );
1328     chapter_item_c *FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found );
1329
1330     void PreloadFamily( const matroska_segment_c & of_segment );
1331     void PreloadLinked( matroska_segment_c *p_segment );
1332     bool PreparePlayback( virtual_segment_c *p_new_segment );
1333     matroska_stream_c *AnalyseAllSegmentsFound( EbmlStream *p_estream );
1334     void JumpTo( virtual_segment_c & p_segment, chapter_item_c * p_chapter );
1335
1336     void StartUiThread();
1337     void StopUiThread();
1338     bool b_ui_hooked;
1339     inline void SwapButtons();
1340
1341     /* for spu variables */
1342     input_thread_t *p_input;
1343     pci_t          pci_packet;
1344     bool           b_pci_packet_set;
1345     uint8_t        alpha[4];
1346     vlc_mutex_t    lock_demuxer;
1347
1348     /* event */
1349     event_thread_t *p_ev;
1350     static int EventThread( vlc_object_t *p_this );
1351     static int EventMouse( vlc_object_t *p_this, char const *psz_var,
1352                        vlc_value_t oldval, vlc_value_t newval, void *p_data );
1353     static int EventKey( vlc_object_t *p_this, char const *psz_var,
1354                      vlc_value_t oldval, vlc_value_t newval, void *p_data );
1355
1356
1357
1358 protected:
1359     virtual_segment_c *VirtualFromSegments( matroska_segment_c *p_segment ) const;
1360     bool IsUsedSegment( matroska_segment_c &p_segment ) const;
1361 };
1362
1363 static int  Demux  ( demux_t * );
1364 static int  Control( demux_t *, int, va_list );
1365 static void Seek   ( demux_t *, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter );
1366
1367 #define MKV_IS_ID( el, C ) ( EbmlId( (*el) ) == C::ClassInfos.GlobalId )
1368
1369 static char *UTF8ToStr          ( const UTFstring &u );
1370
1371 /*****************************************************************************
1372  * Open: initializes matroska demux structures
1373  *****************************************************************************/
1374 static int Open( vlc_object_t * p_this )
1375 {
1376     demux_t            *p_demux = (demux_t*)p_this;
1377     demux_sys_t        *p_sys;
1378     matroska_stream_c  *p_stream;
1379     matroska_segment_c *p_segment;
1380     uint8_t            *p_peek;
1381     std::string        s_path, s_filename;
1382     vlc_stream_io_callback *p_io_callback;
1383     EbmlStream         *p_io_stream;
1384
1385     /* peek the begining */
1386     if( stream_Peek( p_demux->s, &p_peek, 4 ) < 4 ) return VLC_EGENERIC;
1387
1388     /* is a valid file */
1389     if( p_peek[0] != 0x1a || p_peek[1] != 0x45 ||
1390         p_peek[2] != 0xdf || p_peek[3] != 0xa3 ) return VLC_EGENERIC;
1391
1392     /* Set the demux function */
1393     p_demux->pf_demux   = Demux;
1394     p_demux->pf_control = Control;
1395     p_demux->p_sys      = p_sys = new demux_sys_t( *p_demux );
1396
1397     p_io_callback = new vlc_stream_io_callback( p_demux->s );
1398     p_io_stream = new EbmlStream( *p_io_callback );
1399
1400     if( p_io_stream == NULL )
1401     {
1402         msg_Err( p_demux, "failed to create EbmlStream" );
1403         delete p_io_callback;
1404         delete p_sys;
1405         return VLC_EGENERIC;
1406     }
1407
1408     p_stream = p_sys->AnalyseAllSegmentsFound( p_io_stream );
1409     if( p_stream == NULL )
1410     {
1411         msg_Err( p_demux, "cannot find KaxSegment" );
1412         goto error;
1413     }
1414     p_sys->streams.push_back( p_stream );
1415
1416     p_stream->p_in = p_io_callback;
1417     p_stream->p_es = p_io_stream;
1418
1419     for (size_t i=0; i<p_stream->segments.size(); i++)
1420     {
1421         p_stream->segments[i]->Preload();
1422     }
1423
1424     p_segment = p_stream->segments[0];
1425     if( p_segment->cluster != NULL )
1426     {
1427         msg_Warn( p_demux, "cannot find any cluster, damaged file ?" );
1428
1429         // reset the stream reading to the first cluster of the segment used
1430         p_stream->p_in->setFilePointer( p_segment->cluster->GetElementPosition() );
1431     }
1432
1433     /* get the files from the same dir from the same family (based on p_demux->psz_path) */
1434     if (p_demux->psz_path[0] != '\0' && !strcmp(p_demux->psz_access, ""))
1435     {
1436         // assume it's a regular file
1437         // get the directory path
1438         s_path = p_demux->psz_path;
1439         if (s_path.at(s_path.length() - 1) == DIRECTORY_SEPARATOR)
1440         {
1441             s_path = s_path.substr(0,s_path.length()-1);
1442         }
1443         else
1444         {
1445             if (s_path.find_last_of(DIRECTORY_SEPARATOR) > 0)
1446             {
1447                 s_path = s_path.substr(0,s_path.find_last_of(DIRECTORY_SEPARATOR));
1448             }
1449         }
1450
1451         struct dirent *p_file_item;
1452         DIR *p_src_dir = opendir(s_path.c_str());
1453
1454         if (p_src_dir != NULL)
1455         {
1456             while ((p_file_item = (dirent *) readdir(p_src_dir)))
1457             {
1458                 if (strlen(p_file_item->d_name) > 4)
1459                 {
1460                     s_filename = s_path + DIRECTORY_SEPARATOR + p_file_item->d_name;
1461
1462                     if (!s_filename.compare(p_demux->psz_path))
1463                         continue; // don't reuse the original opened file
1464
1465 #if defined(__GNUC__) && (__GNUC__ < 3)
1466                     if (!s_filename.compare("mkv", s_filename.length() - 3, 3) ||
1467                         !s_filename.compare("mka", s_filename.length() - 3, 3))
1468 #else
1469                     if (!s_filename.compare(s_filename.length() - 3, 3, "mkv") ||
1470                         !s_filename.compare(s_filename.length() - 3, 3, "mka"))
1471 #endif
1472                     {
1473                         // test wether this file belongs to the our family
1474                         StdIOCallback *p_file_io = new StdIOCallback(s_filename.c_str(), MODE_READ);
1475                         EbmlStream *p_estream = new EbmlStream(*p_file_io);
1476
1477                         p_stream = p_sys->AnalyseAllSegmentsFound( p_estream );
1478                         if ( p_stream == NULL )
1479                         {
1480                             msg_Dbg( p_demux, "the file '%s' will not be used", s_filename.c_str() );
1481                             delete p_estream;
1482                             delete p_file_io;
1483                         }
1484                         else
1485                         {
1486                             p_stream->p_in = p_file_io;
1487                             p_stream->p_es = p_estream;
1488                             p_sys->streams.push_back( p_stream );
1489                         }
1490                     }
1491                 }
1492             }
1493             closedir( p_src_dir );
1494         }
1495     }
1496
1497     p_sys->PreloadFamily( *p_segment );
1498     p_sys->PreloadLinked( p_segment );
1499     if ( !p_sys->PreparePlayback( NULL ) )
1500     {
1501         msg_Err( p_demux, "cannot use the segment" );
1502         goto error;
1503     }
1504
1505     p_sys->StartUiThread();
1506
1507     return VLC_SUCCESS;
1508
1509 error:
1510     delete p_sys;
1511     return VLC_EGENERIC;
1512 }
1513
1514 /*****************************************************************************
1515  * Close: frees unused data
1516  *****************************************************************************/
1517 static void Close( vlc_object_t *p_this )
1518 {
1519     demux_t     *p_demux = (demux_t*)p_this;
1520     demux_sys_t *p_sys   = p_demux->p_sys;
1521
1522     delete p_sys;
1523 }
1524
1525 /*****************************************************************************
1526  * Control:
1527  *****************************************************************************/
1528 static int Control( demux_t *p_demux, int i_query, va_list args )
1529 {
1530     demux_sys_t        *p_sys = p_demux->p_sys;
1531     int64_t     *pi64;
1532     double      *pf, f;
1533     int         i_skp;
1534     size_t      i_idx;
1535
1536     vlc_meta_t **pp_meta;
1537
1538     switch( i_query )
1539     {
1540         case DEMUX_GET_META:
1541             pp_meta = (vlc_meta_t**)va_arg( args, vlc_meta_t** );
1542             *pp_meta = vlc_meta_Duplicate( p_sys->meta );
1543             return VLC_SUCCESS;
1544
1545         case DEMUX_GET_LENGTH:
1546             pi64 = (int64_t*)va_arg( args, int64_t * );
1547             if( p_sys->f_duration > 0.0 )
1548             {
1549                 *pi64 = (int64_t)(p_sys->f_duration * 1000);
1550                 return VLC_SUCCESS;
1551             }
1552             return VLC_EGENERIC;
1553
1554         case DEMUX_GET_POSITION:
1555             pf = (double*)va_arg( args, double * );
1556             if ( p_sys->f_duration > 0.0 )
1557                 *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);
1558             return VLC_SUCCESS;
1559
1560         case DEMUX_SET_POSITION:
1561             f = (double)va_arg( args, double );
1562             Seek( p_demux, -1, f, NULL );
1563             return VLC_SUCCESS;
1564
1565         case DEMUX_GET_TIME:
1566             pi64 = (int64_t*)va_arg( args, int64_t * );
1567             *pi64 = p_sys->i_pts;
1568             return VLC_SUCCESS;
1569
1570         case DEMUX_GET_TITLE_INFO:
1571             if( p_sys->titles.size() )
1572             {
1573                 input_title_t ***ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
1574                 int *pi_int    = (int*)va_arg( args, int* );
1575
1576                 *pi_int = p_sys->titles.size();
1577                 *ppp_title = (input_title_t**)malloc( sizeof( input_title_t**) * p_sys->titles.size() );
1578
1579                 for( size_t i = 0; i < p_sys->titles.size(); i++ )
1580                 {
1581                     (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->titles[i] );
1582                 }
1583
1584                 return VLC_SUCCESS;
1585             }
1586             return VLC_EGENERIC;
1587
1588         case DEMUX_SET_TITLE:
1589             /* TODO handle editions as titles */
1590             i_idx = (int)va_arg( args, int );
1591             if( i_idx < p_sys->used_segments.size() )
1592             {
1593                 p_sys->JumpTo( *p_sys->used_segments[i_idx], NULL );
1594                 return VLC_SUCCESS;
1595             }
1596             return VLC_EGENERIC;
1597
1598         case DEMUX_SET_SEEKPOINT:
1599             i_skp = (int)va_arg( args, int );
1600
1601             // TODO change the way it works with the << & >> buttons on the UI (+1/-1 instead of a number)
1602             if( p_sys->titles.size() && i_skp < p_sys->titles[p_sys->i_current_title]->i_seekpoint)
1603             {
1604                 Seek( p_demux, (int64_t)p_sys->titles[p_sys->i_current_title]->seekpoint[i_skp]->i_time_offset, -1, NULL);
1605                 p_demux->info.i_seekpoint |= INPUT_UPDATE_SEEKPOINT;
1606                 p_demux->info.i_seekpoint = i_skp;
1607                 return VLC_SUCCESS;
1608             }
1609             return VLC_EGENERIC;
1610
1611         case DEMUX_SET_TIME:
1612         case DEMUX_GET_FPS:
1613         default:
1614             return VLC_EGENERIC;
1615     }
1616 }
1617
1618 int matroska_segment_c::BlockGet( KaxBlock * & pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration )
1619 {
1620     pp_block = NULL;
1621     *pi_ref1  = 0;
1622     *pi_ref2  = 0;
1623
1624     for( ;; )
1625     {
1626         EbmlElement *el;
1627         int         i_level;
1628
1629         if ( ep == NULL )
1630             return VLC_EGENERIC;
1631
1632         el = ep->Get();
1633         i_level = ep->GetLevel();
1634
1635         if( el == NULL && pp_block != NULL )
1636         {
1637             /* update the index */
1638 #define idx p_indexes[i_index - 1]
1639             if( i_index > 0 && idx.i_time == -1 )
1640             {
1641                 idx.i_time        = (*pp_block).GlobalTimecode() / (mtime_t)1000;
1642                 idx.b_key         = *pi_ref1 == 0 ? VLC_TRUE : VLC_FALSE;
1643             }
1644 #undef idx
1645             return VLC_SUCCESS;
1646         }
1647
1648         if( el == NULL )
1649         {
1650             if( ep->GetLevel() > 1 )
1651             {
1652                 ep->Up();
1653                 continue;
1654             }
1655             msg_Warn( &sys.demuxer, "EOF" );
1656             return VLC_EGENERIC;
1657         }
1658
1659         /* do parsing */
1660         switch ( i_level )
1661         {
1662         case 1:
1663             if( MKV_IS_ID( el, KaxCluster ) )
1664             {
1665                 cluster = (KaxCluster*)el;
1666                 i_cluster_pos = cluster->GetElementPosition();
1667
1668                 /* add it to the index */
1669                 if( i_index == 0 ||
1670                     ( i_index > 0 && p_indexes[i_index - 1].i_position < (int64_t)cluster->GetElementPosition() ) )
1671                 {
1672                     IndexAppendCluster( cluster );
1673                 }
1674
1675                 // reset silent tracks
1676                 for (size_t i=0; i<tracks.size(); i++)
1677                 {
1678                     tracks[i]->b_silent = VLC_FALSE;
1679                 }
1680
1681                 ep->Down();
1682             }
1683             else if( MKV_IS_ID( el, KaxCues ) )
1684             {
1685                 msg_Warn( &sys.demuxer, "find KaxCues FIXME" );
1686                 return VLC_EGENERIC;
1687             }
1688             else
1689             {
1690                 msg_Dbg( &sys.demuxer, "unknown (%s)", typeid( el ).name() );
1691             }
1692             break;
1693         case 2:
1694             if( MKV_IS_ID( el, KaxClusterTimecode ) )
1695             {
1696                 KaxClusterTimecode &ctc = *(KaxClusterTimecode*)el;
1697
1698                 ctc.ReadData( es.I_O(), SCOPE_ALL_DATA );
1699                 cluster->InitTimecode( uint64( ctc ), i_timescale );
1700             }
1701             else if( MKV_IS_ID( el, KaxClusterSilentTracks ) )
1702             {
1703                 ep->Down();
1704             }
1705             else if( MKV_IS_ID( el, KaxBlockGroup ) )
1706             {
1707                 i_block_pos = el->GetElementPosition();
1708                 ep->Down();
1709             }
1710             break;
1711         case 3:
1712             if( MKV_IS_ID( el, KaxBlock ) )
1713             {
1714                 pp_block = (KaxBlock*)el;
1715
1716                 pp_block->ReadData( es.I_O() );
1717                 pp_block->SetParent( *cluster );
1718
1719                 ep->Keep();
1720             }
1721             else if( MKV_IS_ID( el, KaxBlockDuration ) )
1722             {
1723                 KaxBlockDuration &dur = *(KaxBlockDuration*)el;
1724
1725                 dur.ReadData( es.I_O() );
1726                 *pi_duration = uint64( dur );
1727             }
1728             else if( MKV_IS_ID( el, KaxReferenceBlock ) )
1729             {
1730                 KaxReferenceBlock &ref = *(KaxReferenceBlock*)el;
1731
1732                 ref.ReadData( es.I_O() );
1733                 if( *pi_ref1 == 0 )
1734                 {
1735                     *pi_ref1 = int64( ref ) * cluster->GlobalTimecodeScale();
1736                 }
1737                 else
1738                 {
1739                     *pi_ref2 = int64( ref ) * cluster->GlobalTimecodeScale();
1740                 }
1741             }
1742             else if( MKV_IS_ID( el, KaxClusterSilentTrackNumber ) )
1743             {
1744                 KaxClusterSilentTrackNumber &track_num = *(KaxClusterSilentTrackNumber*)el;
1745                 track_num.ReadData( es.I_O() );
1746                 // find the track
1747                 for (size_t i=0; i<tracks.size(); i++)
1748                 {
1749                     if ( tracks[i]->i_number == uint32(track_num))
1750                     {
1751                         tracks[i]->b_silent = VLC_TRUE;
1752                         break;
1753                     }
1754                 }
1755             }
1756             break;
1757         default:
1758             msg_Err( &sys.demuxer, "invalid level = %d", i_level );
1759             return VLC_EGENERIC;
1760         }
1761     }
1762 }
1763
1764 static block_t *MemToBlock( demux_t *p_demux, uint8_t *p_mem, int i_mem)
1765 {
1766     block_t *p_block;
1767     if( !(p_block = block_New( p_demux, i_mem ) ) ) return NULL;
1768     memcpy( p_block->p_buffer, p_mem, i_mem );
1769     //p_block->i_rate = p_input->stream.control.i_rate;
1770     return p_block;
1771 }
1772
1773 static void BlockDecode( demux_t *p_demux, KaxBlock *block, mtime_t i_pts,
1774                          mtime_t i_duration )
1775 {
1776     demux_sys_t        *p_sys = p_demux->p_sys;
1777     matroska_segment_c *p_segment = p_sys->p_current_segment->Segment();
1778
1779     size_t          i_track;
1780     unsigned int    i;
1781     vlc_bool_t      b;
1782
1783 #define tk  p_segment->tracks[i_track]
1784     for( i_track = 0; i_track < p_segment->tracks.size(); i_track++ )
1785     {
1786         if( tk->i_number == block->TrackNum() )
1787         {
1788             break;
1789         }
1790     }
1791
1792     if( i_track >= p_segment->tracks.size() )
1793     {
1794         msg_Err( p_demux, "invalid track number=%d", block->TrackNum() );
1795         return;
1796     }
1797     if( tk->fmt.i_cat != NAV_ES && tk->p_es == NULL )
1798     {
1799         msg_Err( p_demux, "unknown track number=%d", block->TrackNum() );
1800         return;
1801     }
1802     if( i_pts + i_duration < p_sys->i_start_pts && tk->fmt.i_cat == AUDIO_ES )
1803     {
1804         return; /* discard audio packets that shouldn't be rendered */
1805     }
1806
1807     if ( tk->fmt.i_cat != NAV_ES )
1808     {
1809         es_out_Control( p_demux->out, ES_OUT_GET_ES_STATE, tk->p_es, &b );
1810
1811         if( !b )
1812         {
1813             tk->b_inited = VLC_FALSE;
1814             return;
1815         }
1816     }
1817
1818
1819     /* First send init data */
1820     if( !tk->b_inited && tk->i_data_init > 0 )
1821     {
1822         block_t *p_init;
1823
1824         msg_Dbg( p_demux, "sending header (%d bytes)", tk->i_data_init );
1825         p_init = MemToBlock( p_demux, tk->p_data_init, tk->i_data_init );
1826         if( p_init ) es_out_Send( p_demux->out, tk->p_es, p_init );
1827     }
1828     tk->b_inited = VLC_TRUE;
1829
1830
1831     for( i = 0; i < block->NumberFrames(); i++ )
1832     {
1833         block_t *p_block;
1834         DataBuffer &data = block->GetBuffer(i);
1835
1836         p_block = MemToBlock( p_demux, data.Buffer(), data.Size() );
1837
1838         if( p_block == NULL )
1839         {
1840             break;
1841         }
1842
1843 #if defined(HAVE_ZLIB_H)
1844         if( tk->i_compression_type )
1845         {
1846             p_block = block_zlib_decompress( VLC_OBJECT(p_demux), p_block );
1847         }
1848 #endif
1849
1850         if ( tk->fmt.i_cat == NAV_ES )
1851         {
1852             // TODO handle the start/stop times of this packet
1853             if ( p_sys->b_ui_hooked )
1854             {
1855                 vlc_mutex_lock( &p_sys->p_ev->lock );
1856                 memcpy( &p_sys->pci_packet, &p_block->p_buffer[1], sizeof(pci_t) );
1857                 p_sys->SwapButtons();
1858                 p_sys->b_pci_packet_set = true;
1859                 vlc_mutex_unlock( &p_sys->p_ev->lock );
1860                 block_Release( p_block );
1861             }
1862             return;
1863         }
1864         // TODO implement correct timestamping when B frames are used
1865 #if 0
1866         if( tk->fmt.i_cat != VIDEO_ES )
1867         {
1868             p_block->i_dts = p_block->i_pts = i_pts;
1869         }
1870         else
1871         {
1872             p_block->i_pts = i_pts;
1873             p_block->i_dts = p_sys->i_pts;
1874         }
1875 #else
1876         p_block->i_pts = i_pts;
1877         p_block->i_dts = p_sys->i_last_dts;
1878 #endif
1879 msg_Dbg( p_demux, "block i_dts: "I64Fd" / i_pts: "I64Fd, p_block->i_dts, p_block->i_pts);
1880         if( strcmp( tk->psz_codec, "S_VOBSUB" ) )
1881         {
1882             p_block->i_length = i_duration * 1000;
1883         }
1884
1885         es_out_Send( p_demux->out, tk->p_es, p_block );
1886
1887         /* use time stamp only for first block */
1888         i_pts = 0;
1889     }
1890
1891 #undef tk
1892 }
1893
1894 matroska_stream_c *demux_sys_t::AnalyseAllSegmentsFound( EbmlStream *p_estream )
1895 {
1896     int i_upper_lvl = 0;
1897     size_t i;
1898     EbmlElement *p_l0, *p_l1, *p_l2;
1899     bool b_keep_stream = false, b_keep_segment;
1900
1901     // verify the EBML Header
1902     p_l0 = p_estream->FindNextID(EbmlHead::ClassInfos, 0xFFFFFFFFL);
1903     if (p_l0 == NULL)
1904     {
1905         return NULL;
1906     }
1907     p_l0->SkipData(*p_estream, EbmlHead_Context);
1908     delete p_l0;
1909
1910     // find all segments in this file
1911     p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFFLL);
1912     if (p_l0 == NULL)
1913     {
1914         return NULL;
1915     }
1916
1917     matroska_stream_c *p_stream1 = new matroska_stream_c( *this );
1918
1919     while (p_l0 != 0)
1920     {
1921         if (EbmlId(*p_l0) == KaxSegment::ClassInfos.GlobalId)
1922         {
1923             EbmlParser  *ep;
1924             matroska_segment_c *p_segment1 = new matroska_segment_c( *this, *p_estream );
1925             b_keep_segment = false;
1926
1927             ep = new EbmlParser(p_estream, p_l0, &demuxer );
1928             p_segment1->ep = ep;
1929             p_segment1->segment = (KaxSegment*)p_l0;
1930
1931             while ((p_l1 = ep->Get()))
1932             {
1933                 if (MKV_IS_ID(p_l1, KaxInfo))
1934                 {
1935                     // find the families of this segment
1936                     KaxInfo *p_info = static_cast<KaxInfo*>(p_l1);
1937
1938                     p_info->Read(*p_estream, KaxInfo::ClassInfos.Context, i_upper_lvl, p_l2, true);
1939                     for( i = 0; i < p_info->ListSize(); i++ )
1940                     {
1941                         EbmlElement *l = (*p_info)[i];
1942
1943                         if( MKV_IS_ID( l, KaxSegmentUID ) )
1944                         {
1945                             KaxSegmentUID *p_uid = static_cast<KaxSegmentUID*>(l);
1946                             b_keep_segment = (FindSegment( *p_uid ) == NULL);
1947                             if ( !b_keep_segment )
1948                                 break; // this segment is already known
1949                             opened_segments.push_back( p_segment1 );
1950                             delete p_segment1->p_segment_uid;
1951                             p_segment1->p_segment_uid = new KaxSegmentUID(*p_uid);
1952                         }
1953                         else if( MKV_IS_ID( l, KaxPrevUID ) )
1954                         {
1955                             p_segment1->p_prev_segment_uid = new KaxPrevUID( *static_cast<KaxPrevUID*>(l) );
1956                         }
1957                         else if( MKV_IS_ID( l, KaxNextUID ) )
1958                         {
1959                             p_segment1->p_next_segment_uid = new KaxNextUID( *static_cast<KaxNextUID*>(l) );
1960                         }
1961                         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
1962                         {
1963                             KaxSegmentFamily *p_fam = new KaxSegmentFamily( *static_cast<KaxSegmentFamily*>(l) );
1964                             p_segment1->families.push_back( *p_fam );
1965                         }
1966                     }
1967                     break;
1968                 }
1969             }
1970             if ( b_keep_segment )
1971             {
1972                 b_keep_stream = true;
1973                 p_stream1->segments.push_back( p_segment1 );
1974             }
1975             else
1976                 delete p_segment1;
1977         }
1978
1979         p_l0->SkipData(*p_estream, EbmlHead_Context);
1980         p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFL);
1981     }
1982
1983     if ( !b_keep_stream )
1984     {
1985         delete p_stream1;
1986         p_stream1 = NULL;
1987     }
1988
1989     return p_stream1;
1990 }
1991
1992 bool matroska_segment_c::Select( mtime_t i_start_time )
1993 {
1994     size_t i_track;
1995
1996     /* add all es */
1997     msg_Dbg( &sys.demuxer, "found %d es", tracks.size() );
1998     sys.b_pci_packet_set = false;
1999
2000     for( i_track = 0; i_track < tracks.size(); i_track++ )
2001     {
2002         if( tracks[i_track]->fmt.i_cat == UNKNOWN_ES )
2003         {
2004             msg_Warn( &sys.demuxer, "invalid track[%d, n=%d]", i_track, tracks[i_track]->i_number );
2005             tracks[i_track]->p_es = NULL;
2006             continue;
2007         }
2008
2009         if( !strcmp( tracks[i_track]->psz_codec, "V_MS/VFW/FOURCC" ) )
2010         {
2011             if( tracks[i_track]->i_extra_data < (int)sizeof( BITMAPINFOHEADER ) )
2012             {
2013                 msg_Err( &sys.demuxer, "missing/invalid BITMAPINFOHEADER" );
2014                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2015             }
2016             else
2017             {
2018                 BITMAPINFOHEADER *p_bih = (BITMAPINFOHEADER*)tracks[i_track]->p_extra_data;
2019
2020                 tracks[i_track]->fmt.video.i_width = GetDWLE( &p_bih->biWidth );
2021                 tracks[i_track]->fmt.video.i_height= GetDWLE( &p_bih->biHeight );
2022                 tracks[i_track]->fmt.i_codec       = GetFOURCC( &p_bih->biCompression );
2023
2024                 tracks[i_track]->fmt.i_extra       = GetDWLE( &p_bih->biSize ) - sizeof( BITMAPINFOHEADER );
2025                 if( tracks[i_track]->fmt.i_extra > 0 )
2026                 {
2027                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2028                     memcpy( tracks[i_track]->fmt.p_extra, &p_bih[1], tracks[i_track]->fmt.i_extra );
2029                 }
2030             }
2031         }
2032         else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG1" ) ||
2033                  !strcmp( tracks[i_track]->psz_codec, "V_MPEG2" ) )
2034         {
2035             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'v' );
2036         }
2037         else if( !strncmp( tracks[i_track]->psz_codec, "V_MPEG4", 7 ) )
2038         {
2039             if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/MS/V3" ) )
2040             {
2041                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'D', 'I', 'V', '3' );
2042             }
2043             else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/ISO/AVC" ) )
2044             {
2045                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'v', 'c', '1' );
2046                 tracks[i_track]->fmt.b_packetized = VLC_FALSE;
2047                 tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2048                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2049                 memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2050             }
2051             else
2052             {
2053                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' );
2054             }
2055         }
2056         else if( !strcmp( tracks[i_track]->psz_codec, "V_QUICKTIME" ) )
2057         {
2058             MP4_Box_t *p_box = (MP4_Box_t*)malloc( sizeof( MP4_Box_t ) );
2059             stream_t *p_mp4_stream = stream_MemoryNew( VLC_OBJECT(&sys.demuxer),
2060                                                        tracks[i_track]->p_extra_data,
2061                                                        tracks[i_track]->i_extra_data,
2062                                                        VLC_FALSE );
2063             MP4_ReadBoxCommon( p_mp4_stream, p_box );
2064             MP4_ReadBox_sample_vide( p_mp4_stream, p_box );
2065             tracks[i_track]->fmt.i_codec = p_box->i_type;
2066             tracks[i_track]->fmt.video.i_width = p_box->data.p_sample_vide->i_width;
2067             tracks[i_track]->fmt.video.i_height = p_box->data.p_sample_vide->i_height;
2068             tracks[i_track]->fmt.i_extra = p_box->data.p_sample_vide->i_qt_image_description;
2069             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2070             memcpy( tracks[i_track]->fmt.p_extra, p_box->data.p_sample_vide->p_qt_image_description, tracks[i_track]->fmt.i_extra );
2071             MP4_FreeBox_sample_vide( p_box );
2072             stream_Delete( p_mp4_stream );
2073         }
2074         else if( !strcmp( tracks[i_track]->psz_codec, "A_MS/ACM" ) )
2075         {
2076             if( tracks[i_track]->i_extra_data < (int)sizeof( WAVEFORMATEX ) )
2077             {
2078                 msg_Err( &sys.demuxer, "missing/invalid WAVEFORMATEX" );
2079                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2080             }
2081             else
2082             {
2083                 WAVEFORMATEX *p_wf = (WAVEFORMATEX*)tracks[i_track]->p_extra_data;
2084
2085                 wf_tag_to_fourcc( GetWLE( &p_wf->wFormatTag ), &tracks[i_track]->fmt.i_codec, NULL );
2086
2087                 tracks[i_track]->fmt.audio.i_channels   = GetWLE( &p_wf->nChannels );
2088                 tracks[i_track]->fmt.audio.i_rate = GetDWLE( &p_wf->nSamplesPerSec );
2089                 tracks[i_track]->fmt.i_bitrate    = GetDWLE( &p_wf->nAvgBytesPerSec ) * 8;
2090                 tracks[i_track]->fmt.audio.i_blockalign = GetWLE( &p_wf->nBlockAlign );;
2091                 tracks[i_track]->fmt.audio.i_bitspersample = GetWLE( &p_wf->wBitsPerSample );
2092
2093                 tracks[i_track]->fmt.i_extra            = GetWLE( &p_wf->cbSize );
2094                 if( tracks[i_track]->fmt.i_extra > 0 )
2095                 {
2096                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2097                     memcpy( tracks[i_track]->fmt.p_extra, &p_wf[1], tracks[i_track]->fmt.i_extra );
2098                 }
2099             }
2100         }
2101         else if( !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L3" ) ||
2102                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L2" ) ||
2103                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L1" ) )
2104         {
2105             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' );
2106         }
2107         else if( !strcmp( tracks[i_track]->psz_codec, "A_AC3" ) )
2108         {
2109             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' );
2110         }
2111         else if( !strcmp( tracks[i_track]->psz_codec, "A_DTS" ) )
2112         {
2113             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'd', 't', 's', ' ' );
2114         }
2115         else if( !strcmp( tracks[i_track]->psz_codec, "A_FLAC" ) )
2116         {
2117             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'f', 'l', 'a', 'c' );
2118             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2119             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2120             memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2121         }
2122         else if( !strcmp( tracks[i_track]->psz_codec, "A_VORBIS" ) )
2123         {
2124             int i, i_offset = 1, i_size[3], i_extra;
2125             uint8_t *p_extra;
2126
2127             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'v', 'o', 'r', 'b' );
2128
2129             /* Split the 3 headers */
2130             if( tracks[i_track]->p_extra_data[0] != 0x02 )
2131                 msg_Err( &sys.demuxer, "invalid vorbis header" );
2132
2133             for( i = 0; i < 2; i++ )
2134             {
2135                 i_size[i] = 0;
2136                 while( i_offset < tracks[i_track]->i_extra_data )
2137                 {
2138                     i_size[i] += tracks[i_track]->p_extra_data[i_offset];
2139                     if( tracks[i_track]->p_extra_data[i_offset++] != 0xff ) break;
2140                 }
2141             }
2142
2143             i_size[0] = __MIN(i_size[0], tracks[i_track]->i_extra_data - i_offset);
2144             i_size[1] = __MIN(i_size[1], tracks[i_track]->i_extra_data -i_offset -i_size[0]);
2145             i_size[2] = tracks[i_track]->i_extra_data - i_offset - i_size[0] - i_size[1];
2146
2147             tracks[i_track]->fmt.i_extra = 3 * 2 + i_size[0] + i_size[1] + i_size[2];
2148             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2149             p_extra = (uint8_t *)tracks[i_track]->fmt.p_extra; i_extra = 0;
2150             for( i = 0; i < 3; i++ )
2151             {
2152                 *(p_extra++) = i_size[i] >> 8;
2153                 *(p_extra++) = i_size[i] & 0xFF;
2154                 memcpy( p_extra, tracks[i_track]->p_extra_data + i_offset + i_extra,
2155                         i_size[i] );
2156                 p_extra += i_size[i];
2157                 i_extra += i_size[i];
2158             }
2159         }
2160         else if( !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG2/", strlen( "A_AAC/MPEG2/" ) ) ||
2161                  !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG4/", strlen( "A_AAC/MPEG4/" ) ) )
2162         {
2163             int i_profile, i_srate;
2164             static unsigned int i_sample_rates[] =
2165             {
2166                     96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050,
2167                         16000, 12000, 11025, 8000,  7350,  0,     0,     0
2168             };
2169
2170             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
2171             /* create data for faad (MP4DecSpecificDescrTag)*/
2172
2173             if( !strcmp( &tracks[i_track]->psz_codec[12], "MAIN" ) )
2174             {
2175                 i_profile = 0;
2176             }
2177             else if( !strcmp( &tracks[i_track]->psz_codec[12], "LC" ) )
2178             {
2179                 i_profile = 1;
2180             }
2181             else if( !strcmp( &tracks[i_track]->psz_codec[12], "SSR" ) )
2182             {
2183                 i_profile = 2;
2184             }
2185             else
2186             {
2187                 i_profile = 3;
2188             }
2189
2190             for( i_srate = 0; i_srate < 13; i_srate++ )
2191             {
2192                 if( i_sample_rates[i_srate] == tracks[i_track]->fmt.audio.i_rate )
2193                 {
2194                     break;
2195                 }
2196             }
2197             msg_Dbg( &sys.demuxer, "profile=%d srate=%d", i_profile, i_srate );
2198
2199             tracks[i_track]->fmt.i_extra = 2;
2200             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2201             ((uint8_t*)tracks[i_track]->fmt.p_extra)[0] = ((i_profile + 1) << 3) | ((i_srate&0xe) >> 1);
2202             ((uint8_t*)tracks[i_track]->fmt.p_extra)[1] = ((i_srate & 0x1) << 7) | (tracks[i_track]->fmt.audio.i_channels << 3);
2203         }
2204         else if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) ||
2205                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/LIT" ) ||
2206                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/FLOAT/IEEE" ) )
2207         {
2208             if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) )
2209             {
2210                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
2211             }
2212             else
2213             {
2214                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
2215             }
2216             tracks[i_track]->fmt.audio.i_blockalign = ( tracks[i_track]->fmt.audio.i_bitspersample + 7 ) / 8 * tracks[i_track]->fmt.audio.i_channels;
2217         }
2218         else if( !strcmp( tracks[i_track]->psz_codec, "A_TTA1" ) )
2219         {
2220             /* FIXME: support this codec */
2221             msg_Err( &sys.demuxer, "TTA not supported yet[%d, n=%d]", i_track, tracks[i_track]->i_number );
2222             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2223         }
2224         else if( !strcmp( tracks[i_track]->psz_codec, "A_WAVPACK4" ) )
2225         {
2226             /* FIXME: support this codec */
2227             msg_Err( &sys.demuxer, "Wavpack not supported yet[%d, n=%d]", i_track, tracks[i_track]->i_number );
2228             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2229         }
2230         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/UTF8" ) )
2231         {
2232             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 'u', 'b', 't' );
2233             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2234         }
2235         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/SSA" ) ||
2236                  !strcmp( tracks[i_track]->psz_codec, "S_TEXT/ASS" ) ||
2237                  !strcmp( tracks[i_track]->psz_codec, "S_SSA" ) ||
2238                  !strcmp( tracks[i_track]->psz_codec, "S_ASS" ))
2239         {
2240             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 's', 'a', ' ' );
2241             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2242         }
2243         else if( !strcmp( tracks[i_track]->psz_codec, "S_VOBSUB" ) )
2244         {
2245             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's','p','u',' ' );
2246             if( tracks[i_track]->i_extra_data )
2247             {
2248                 char *p_start;
2249                 char *p_buf = (char *)malloc( tracks[i_track]->i_extra_data + 1);
2250                 memcpy( p_buf, tracks[i_track]->p_extra_data , tracks[i_track]->i_extra_data );
2251                 p_buf[tracks[i_track]->i_extra_data] = '\0';
2252
2253                 p_start = strstr( p_buf, "size:" );
2254                 if( sscanf( p_start, "size: %dx%d",
2255                         &tracks[i_track]->fmt.subs.spu.i_original_frame_width, &tracks[i_track]->fmt.subs.spu.i_original_frame_height ) == 2 )
2256                 {
2257                     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 );
2258                 }
2259                 else
2260                 {
2261                     msg_Warn( &sys.demuxer, "reading original frame size for vobsub failed" );
2262                 }
2263                 free( p_buf );
2264             }
2265         }
2266         else if( !strcmp( tracks[i_track]->psz_codec, "B_VOBBTN" ) )
2267         {
2268             tracks[i_track]->fmt.i_cat = NAV_ES;
2269             continue;
2270         }
2271         else
2272         {
2273             msg_Err( &sys.demuxer, "unknow codec id=`%s'", tracks[i_track]->psz_codec );
2274             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2275         }
2276         if( tracks[i_track]->b_default )
2277         {
2278             tracks[i_track]->fmt.i_priority = 1000;
2279         }
2280
2281         tracks[i_track]->p_es = es_out_Add( sys.demuxer.out, &tracks[i_track]->fmt );
2282
2283         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_start_time );
2284     }
2285
2286     sys.i_start_pts = i_start_time;
2287     // reset the stream reading to the first cluster of the segment used
2288     es.I_O().setFilePointer( i_start_pos );
2289
2290     delete ep;
2291     ep = new EbmlParser( &es, segment, &sys.demuxer );
2292
2293     return true;
2294 }
2295
2296 void demux_sys_t::StartUiThread()
2297 {
2298     if ( !b_ui_hooked )
2299     {
2300         msg_Dbg( &demuxer, "Starting the UI Hook" );
2301         b_ui_hooked = true;
2302         /* FIXME hack hack hack hack FIXME */
2303         /* Get p_input and create variable */
2304         p_input = (input_thread_t *) vlc_object_find( &demuxer, VLC_OBJECT_INPUT, FIND_PARENT );
2305         var_Create( p_input, "x-start", VLC_VAR_INTEGER );
2306         var_Create( p_input, "y-start", VLC_VAR_INTEGER );
2307         var_Create( p_input, "x-end", VLC_VAR_INTEGER );
2308         var_Create( p_input, "y-end", VLC_VAR_INTEGER );
2309         var_Create( p_input, "color", VLC_VAR_ADDRESS );
2310         var_Create( p_input, "menu-contrast", VLC_VAR_ADDRESS );
2311         var_Create( p_input, "highlight", VLC_VAR_BOOL );
2312         var_Create( p_input, "highlight-mutex", VLC_VAR_MUTEX );
2313
2314         /* Now create our event thread catcher */
2315         p_ev = (event_thread_t *) vlc_object_create( &demuxer, sizeof( event_thread_t ) );
2316         p_ev->p_demux = &demuxer;
2317         p_ev->b_die = VLC_FALSE;
2318         vlc_mutex_init( p_ev, &p_ev->lock );
2319         vlc_thread_create( p_ev, "mkv event thread handler", EventThread,
2320                         VLC_THREAD_PRIORITY_LOW, VLC_FALSE );
2321     }
2322 }
2323
2324 void demux_sys_t::StopUiThread()
2325 {
2326     if ( b_ui_hooked )
2327     {
2328         p_ev->b_die = VLC_TRUE;
2329
2330         vlc_thread_join( p_ev );
2331         vlc_object_destroy( p_ev );
2332
2333         p_ev = NULL;
2334
2335         var_Destroy( p_input, "highlight-mutex" );
2336         var_Destroy( p_input, "highlight" );
2337         var_Destroy( p_input, "x-start" );
2338         var_Destroy( p_input, "x-end" );
2339         var_Destroy( p_input, "y-start" );
2340         var_Destroy( p_input, "y-end" );
2341         var_Destroy( p_input, "color" );
2342         var_Destroy( p_input, "menu-contrast" );
2343
2344         msg_Dbg( &demuxer, "Stopping the UI Hook" );
2345     }
2346     b_ui_hooked = false;
2347 }
2348
2349 int demux_sys_t::EventMouse( vlc_object_t *p_this, char const *psz_var,
2350                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
2351 {
2352     event_thread_t *p_ev = (event_thread_t *) p_data;
2353     vlc_mutex_lock( &p_ev->lock );
2354     if( psz_var[6] == 'c' )
2355         p_ev->b_clicked = VLC_TRUE;
2356     else if( psz_var[6] == 'm' )
2357         p_ev->b_moved = VLC_TRUE;
2358     vlc_mutex_unlock( &p_ev->lock );
2359
2360     return VLC_SUCCESS;
2361 }
2362
2363 int demux_sys_t::EventKey( vlc_object_t *p_this, char const *psz_var,
2364                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
2365 {
2366     event_thread_t *p_ev = (event_thread_t *) p_data;
2367     vlc_mutex_lock( &p_ev->lock );
2368     p_ev->b_key = VLC_TRUE;
2369     vlc_mutex_unlock( &p_ev->lock );
2370
2371     return VLC_SUCCESS;
2372 }
2373
2374 int demux_sys_t::EventThread( vlc_object_t *p_this )
2375 {
2376     event_thread_t *p_ev = (event_thread_t*)p_this;
2377     demux_sys_t    *p_sys = p_ev->p_demux->p_sys;
2378     vlc_object_t   *p_vout = NULL;
2379
2380     p_ev->b_moved   = VLC_FALSE;
2381     p_ev->b_clicked = VLC_FALSE;
2382     p_ev->b_key     = VLC_FALSE;
2383
2384     /* catch all key event */
2385     var_AddCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2386
2387     /* main loop */
2388     while( !p_ev->b_die )
2389     {
2390         if ( !p_sys->b_pci_packet_set )
2391         {
2392             /* Wait 100ms */
2393             msleep( 100000 );
2394             continue;
2395         }
2396
2397         vlc_bool_t b_activated = VLC_FALSE;
2398
2399         /* KEY part */
2400         if( p_ev->b_key )
2401         {
2402             vlc_value_t valk;
2403             struct vlc_t::hotkey *p_hotkeys = p_ev->p_vlc->p_hotkeys;
2404             int i, i_action = -1;
2405
2406             vlc_mutex_lock( &p_ev->lock );
2407
2408             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2409
2410             var_Get( p_ev->p_vlc, "key-pressed", &valk );
2411             for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
2412             {
2413                 if( p_hotkeys[i].i_key == valk.i_int )
2414                 {
2415                     i_action = p_hotkeys[i].i_action;
2416                 }
2417             }
2418
2419             uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2420
2421             switch( i_action )
2422             {
2423             case ACTIONID_NAV_LEFT:
2424                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2425                 {
2426                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2427                     if ( p_button_ptr->left > 0 && p_button_ptr->left <= pci->hli.hl_gi.btn_ns )
2428                     {
2429                         i_curr_button = p_button_ptr->left;
2430                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2431                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2432                         if ( button_ptr.auto_action_mode )
2433                         {
2434                             vlc_mutex_unlock( &p_ev->lock );
2435                             vlc_mutex_lock( &p_sys->lock_demuxer );
2436
2437                             // process the button action
2438                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2439
2440                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2441                             vlc_mutex_lock( &p_ev->lock );
2442                         }
2443                     }
2444                 }
2445                 break;
2446             case ACTIONID_NAV_RIGHT:
2447                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2448                 {
2449                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2450                     if ( p_button_ptr->right > 0 && p_button_ptr->right <= pci->hli.hl_gi.btn_ns )
2451                     {
2452                         i_curr_button = p_button_ptr->right;
2453                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2454                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2455                         if ( button_ptr.auto_action_mode )
2456                         {
2457                             vlc_mutex_unlock( &p_ev->lock );
2458                             vlc_mutex_lock( &p_sys->lock_demuxer );
2459
2460                             // process the button action
2461                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2462
2463                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2464                             vlc_mutex_lock( &p_ev->lock );
2465                         }
2466                     }
2467                 }
2468                 break;
2469             case ACTIONID_NAV_UP:
2470                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2471                 {
2472                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2473                     if ( p_button_ptr->up > 0 && p_button_ptr->up <= pci->hli.hl_gi.btn_ns )
2474                     {
2475                         i_curr_button = p_button_ptr->up;
2476                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2477                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2478                         if ( button_ptr.auto_action_mode )
2479                         {
2480                             vlc_mutex_unlock( &p_ev->lock );
2481                             vlc_mutex_lock( &p_sys->lock_demuxer );
2482
2483                             // process the button action
2484                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2485
2486                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2487                             vlc_mutex_lock( &p_ev->lock );
2488                         }
2489                     }
2490                 }
2491                 break;
2492             case ACTIONID_NAV_DOWN:
2493                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2494                 {
2495                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2496                     if ( p_button_ptr->down > 0 && p_button_ptr->down <= pci->hli.hl_gi.btn_ns )
2497                     {
2498                         i_curr_button = p_button_ptr->down;
2499                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2500                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2501                         if ( button_ptr.auto_action_mode )
2502                         {
2503                             vlc_mutex_unlock( &p_ev->lock );
2504                             vlc_mutex_lock( &p_sys->lock_demuxer );
2505
2506                             // process the button action
2507                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2508
2509                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2510                             vlc_mutex_lock( &p_ev->lock );
2511                         }
2512                     }
2513                 }
2514                 break;
2515             case ACTIONID_NAV_ACTIVATE:
2516                 b_activated = VLC_TRUE;
2517
2518                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2519                 {
2520                     btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2521
2522                     vlc_mutex_unlock( &p_ev->lock );
2523                     vlc_mutex_lock( &p_sys->lock_demuxer );
2524
2525                     // process the button action
2526                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2527
2528                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2529                     vlc_mutex_lock( &p_ev->lock );
2530                 }
2531                 break;
2532             default:
2533                 break;
2534             }
2535             p_ev->b_key = VLC_FALSE;
2536             vlc_mutex_unlock( &p_ev->lock );
2537         }
2538
2539         /* MOUSE part */
2540         if( p_vout && ( p_ev->b_moved || p_ev->b_clicked ) )
2541         {
2542             vlc_value_t valx, valy;
2543
2544             vlc_mutex_lock( &p_ev->lock );
2545             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2546             var_Get( p_vout, "mouse-x", &valx );
2547             var_Get( p_vout, "mouse-y", &valy );
2548
2549             if( p_ev->b_clicked )
2550             {
2551                 int32_t button;
2552                 int32_t best,dist,d;
2553                 int32_t mx,my,dx,dy;
2554
2555                 b_activated = VLC_TRUE;
2556                 // get current button
2557                 best = 0;
2558                 dist = 0x08000000; /* >> than  (720*720)+(567*567); */
2559                 for(button = 1; button <= pci->hli.hl_gi.btn_ns; button++)
2560                 {
2561                     btni_t *button_ptr = &(pci->hli.btnit[button-1]);
2562
2563                     if((valx.i_int >= button_ptr->x_start) && (valx.i_int <= button_ptr->x_end) &&
2564                        (valy.i_int >= button_ptr->y_start) && (valy.i_int <= button_ptr->y_end))
2565                     {
2566                         mx = (button_ptr->x_start + button_ptr->x_end)/2;
2567                         my = (button_ptr->y_start + button_ptr->y_end)/2;
2568                         dx = mx - valx.i_int;
2569                         dy = my - valy.i_int;
2570                         d = (dx*dx) + (dy*dy);
2571                         /* If the mouse is within the button and the mouse is closer
2572                         * to the center of this button then it is the best choice. */
2573                         if(d < dist) {
2574                             dist = d;
2575                             best = button;
2576                         }
2577                     }
2578                 }
2579
2580                 if ( best != 0)
2581                 {
2582                     btni_t button_ptr = pci->hli.btnit[best-1];
2583                     uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2584
2585                     msg_Dbg( &p_sys->demuxer, "Clicked button %d", best );
2586                     vlc_mutex_unlock( &p_ev->lock );
2587                     vlc_mutex_lock( &p_sys->lock_demuxer );
2588
2589                     // process the button action
2590                     p_sys->dvd_interpretor.SetSPRM( 0x88, best );
2591                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2592
2593                     msg_Dbg( &p_sys->demuxer, "Processed button %d", best );
2594
2595                     // select new button
2596                     if ( best != i_curr_button )
2597                     {
2598                         vlc_value_t val;
2599
2600                         if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
2601                         {
2602                             vlc_mutex_t *p_mutex = (vlc_mutex_t *) val.p_address;
2603                             uint32_t i_palette;
2604
2605                             if(button_ptr.btn_coln != 0) {
2606                                 i_palette = pci->hli.btn_colit.btn_coli[button_ptr.btn_coln-1][1];
2607                             } else {
2608                                 i_palette = 0;
2609                             }
2610                             p_sys->alpha[0] = i_palette      & 0x0f;
2611                             p_sys->alpha[1] = (i_palette>>4) & 0x0f;
2612                             p_sys->alpha[2] = (i_palette>>8) & 0x0f;
2613                             p_sys->alpha[3] = (i_palette>>12)& 0x0f;
2614
2615                             vlc_mutex_lock( p_mutex );
2616                             val.i_int = button_ptr.x_start; var_Set( p_sys->p_input, "x-start", val );
2617                             val.i_int = button_ptr.x_end;   var_Set( p_sys->p_input, "x-end",   val );
2618                             val.i_int = button_ptr.y_start; var_Set( p_sys->p_input, "y-start", val );
2619                             val.i_int = button_ptr.y_end;   var_Set( p_sys->p_input, "y-end",   val );
2620
2621                             val.p_address = (void *)p_sys->alpha;
2622                             var_Set( p_sys->p_input, "menu-contrast", val );
2623
2624                             val.b_bool = VLC_TRUE; var_Set( p_sys->p_input, "highlight", val );
2625                             vlc_mutex_unlock( p_mutex );
2626                         }
2627                     }
2628                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2629                     vlc_mutex_lock( &p_ev->lock );
2630                 }
2631             }
2632             else if( p_ev->b_moved )
2633             {
2634 //                dvdnav_mouse_select( NULL, pci, valx.i_int, valy.i_int );
2635             }
2636
2637             p_ev->b_moved = VLC_FALSE;
2638             p_ev->b_clicked = VLC_FALSE;
2639             vlc_mutex_unlock( &p_ev->lock );
2640         }
2641
2642         /* VOUT part */
2643         if( p_vout && p_vout->b_die )
2644         {
2645             var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2646             var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2647             vlc_object_release( p_vout );
2648             p_vout = NULL;
2649         }
2650
2651         else if( p_vout == NULL )
2652         {
2653             p_vout = (vlc_object_t*) vlc_object_find( p_sys->p_input, VLC_OBJECT_VOUT,
2654                                       FIND_CHILD );
2655             if( p_vout)
2656             {
2657                 var_AddCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2658                 var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2659             }
2660         }
2661
2662         /* Wait a bit, 10ms */
2663         msleep( 10000 );
2664     }
2665
2666     /* Release callback */
2667     if( p_vout )
2668     {
2669         var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2670         var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2671         vlc_object_release( p_vout );
2672     }
2673     var_DelCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2674
2675     vlc_mutex_destroy( &p_ev->lock );
2676
2677     return VLC_SUCCESS;
2678 }
2679
2680 void matroska_segment_c::UnSelect( )
2681 {
2682     size_t i_track;
2683
2684     for( i_track = 0; i_track < tracks.size(); i_track++ )
2685     {
2686         if ( tracks[i_track]->p_es != NULL )
2687         {
2688 //            es_format_Clean( &tracks[i_track]->fmt );
2689             es_out_Del( sys.demuxer.out, tracks[i_track]->p_es );
2690             tracks[i_track]->p_es = NULL;
2691         }
2692     }
2693     delete ep;
2694     ep = NULL;
2695 }
2696
2697 void virtual_segment_c::PrepareChapters( )
2698 {
2699     if ( linked_segments.size() == 0 )
2700         return;
2701
2702     // !!! should be called only once !!!
2703     matroska_segment_c *p_segment;
2704     size_t i, j;
2705
2706     // copy editions from the first segment
2707     p_segment = linked_segments[0];
2708     p_editions = &p_segment->stored_editions;
2709
2710     for ( i=1 ; i<linked_segments.size(); i++ )
2711     {
2712         p_segment = linked_segments[i];
2713         // FIXME assume we have the same editions in all segments
2714         for (j=0; j<p_segment->stored_editions.size(); j++)
2715             (*p_editions)[j]->Append( *p_segment->stored_editions[j] );
2716     }
2717 }
2718
2719 std::string chapter_edition_c::GetMainName() const
2720 {
2721     if ( sub_chapters.size() )
2722     {
2723         return sub_chapters[0]->GetCodecName( true );
2724     }
2725     return "";
2726 }
2727
2728 int chapter_item_c::PublishChapters( input_title_t & title, int & i_user_chapters, int i_level )
2729 {
2730     // add support for meta-elements from codec like DVD Titles
2731     if ( !b_display_seekpoint || psz_name == "" )
2732     {
2733         psz_name = GetCodecName();
2734         if ( psz_name != "" )
2735             b_display_seekpoint = true;
2736     }
2737
2738     if (b_display_seekpoint)
2739     {
2740         seekpoint_t *sk = vlc_seekpoint_New();
2741
2742         sk->i_level = i_level;
2743         sk->i_time_offset = i_start_time;
2744         sk->psz_name = strdup( psz_name.c_str() );
2745
2746         // A start time of '0' is ok. A missing ChapterTime element is ok, too, because '0' is its default value.
2747         title.i_seekpoint++;
2748         title.seekpoint = (seekpoint_t**)realloc( title.seekpoint, title.i_seekpoint * sizeof( seekpoint_t* ) );
2749         title.seekpoint[title.i_seekpoint-1] = sk;
2750
2751         if ( b_user_display )
2752             i_user_chapters++;
2753     }
2754
2755     for ( size_t i=0; i<sub_chapters.size() ; i++)
2756     {
2757         sub_chapters[i]->PublishChapters( title, i_user_chapters, i_level+1 );
2758     }
2759
2760     i_seekpoint_num = i_user_chapters;
2761
2762     return i_user_chapters;
2763 }
2764
2765 bool virtual_segment_c::UpdateCurrentToChapter( demux_t & demux )
2766 {
2767     demux_sys_t & sys = *demux.p_sys;
2768     chapter_item_c *psz_curr_chapter;
2769     bool b_has_seeked = false;
2770
2771     /* update current chapter/seekpoint */
2772     if ( p_editions->size() )
2773     {
2774         /* 1st, we need to know in which chapter we are */
2775         psz_curr_chapter = (*p_editions)[i_current_edition]->FindTimecode( sys.i_pts, psz_current_chapter );
2776
2777         /* we have moved to a new chapter */
2778         if (psz_curr_chapter != NULL && psz_current_chapter != psz_curr_chapter)
2779         {
2780             if ( (*p_editions)[i_current_edition]->b_ordered )
2781             {
2782                 // Leave/Enter up to the link point
2783                 b_has_seeked = psz_curr_chapter->EnterAndLeave( psz_current_chapter );
2784                 if ( !b_has_seeked )
2785                 {
2786                     // only physically seek if necessary
2787                     if ( psz_current_chapter == NULL || (psz_current_chapter->i_end_time != psz_curr_chapter->i_start_time) )
2788                         Seek( demux, sys.i_pts, 0, psz_curr_chapter );
2789                 }
2790             }
2791
2792             if ( !b_has_seeked )
2793             {
2794                 psz_current_chapter = psz_curr_chapter;
2795                 if ( psz_curr_chapter->i_seekpoint_num > 0 )
2796                 {
2797                     demux.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
2798                     demux.info.i_title = sys.i_current_title = i_sys_title;
2799                     demux.info.i_seekpoint = psz_curr_chapter->i_seekpoint_num - 1;
2800                 }
2801             }
2802
2803             return true;
2804         }
2805         else if (psz_curr_chapter == NULL)
2806         {
2807             // out of the scope of the data described by chapters, leave the edition
2808             if ( (*p_editions)[i_current_edition]->b_ordered && psz_current_chapter != NULL )
2809             {
2810                 if ( !(*p_editions)[i_current_edition]->EnterAndLeave( psz_current_chapter, false ) )
2811                     psz_current_chapter = NULL;
2812                 else
2813                     return true;
2814             }
2815         }
2816     }
2817     return false;
2818 }
2819
2820 chapter_item_c *virtual_segment_c::BrowseCodecPrivate( unsigned int codec_id,
2821                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
2822                                     const void *p_cookie,
2823                                     size_t i_cookie_size )
2824 {
2825     // FIXME don't assume it is the first edition
2826     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
2827     if ( index != p_editions->end() )
2828     {
2829         chapter_item_c *p_result = (*index)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
2830         if ( p_result != NULL )
2831             return p_result;
2832     }
2833     return NULL;
2834 }
2835
2836 chapter_item_c *virtual_segment_c::FindChapter( int64_t i_find_uid )
2837 {
2838     // FIXME don't assume it is the first edition
2839     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
2840     if ( index != p_editions->end() )
2841     {
2842         chapter_item_c *p_result = (*index)->FindChapter( i_find_uid );
2843         if ( p_result != NULL )
2844             return p_result;
2845     }
2846     return NULL;
2847 }
2848
2849 chapter_item_c *chapter_item_c::BrowseCodecPrivate( unsigned int codec_id,
2850                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
2851                                     const void *p_cookie,
2852                                     size_t i_cookie_size )
2853 {
2854     // this chapter
2855     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2856     while ( index != codecs.end() )
2857     {
2858         if ( match( **index ,p_cookie, i_cookie_size ) )
2859             return this;
2860         index++;
2861     }
2862
2863     // sub-chapters
2864     chapter_item_c *p_result = NULL;
2865     std::vector<chapter_item_c*>::const_iterator index2 = sub_chapters.begin();
2866     while ( index2 != sub_chapters.end() )
2867     {
2868         p_result = (*index2)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
2869         if ( p_result != NULL )
2870             return p_result;
2871         index2++;
2872     }
2873
2874     return p_result;
2875 }
2876
2877 void chapter_item_c::Append( const chapter_item_c & chapter )
2878 {
2879     // we are appending content for the same chapter UID
2880     size_t i;
2881     chapter_item_c *p_chapter;
2882
2883     for ( i=0; i<chapter.sub_chapters.size(); i++ )
2884     {
2885         p_chapter = FindChapter( chapter.sub_chapters[i]->i_uid );
2886         if ( p_chapter != NULL )
2887         {
2888             p_chapter->Append( *chapter.sub_chapters[i] );
2889         }
2890         else
2891         {
2892             sub_chapters.push_back( chapter.sub_chapters[i] );
2893         }
2894     }
2895
2896     i_user_start_time = min( i_user_start_time, chapter.i_user_start_time );
2897     i_user_end_time = max( i_user_end_time, chapter.i_user_end_time );
2898 }
2899
2900 chapter_item_c * chapter_item_c::FindChapter( int64_t i_find_uid )
2901 {
2902     size_t i;
2903     chapter_item_c *p_result = NULL;
2904
2905     if ( i_uid == i_find_uid )
2906         return this;
2907
2908     for ( i=0; i<sub_chapters.size(); i++)
2909     {
2910         p_result = sub_chapters[i]->FindChapter( i_find_uid );
2911         if ( p_result != NULL )
2912             break;
2913     }
2914     return p_result;
2915 }
2916
2917 std::string chapter_item_c::GetCodecName( bool f_for_title ) const
2918 {
2919     std::string result;
2920
2921     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2922     while ( index != codecs.end() )
2923     {
2924         result = (*index)->GetCodecName( f_for_title );
2925         if ( result != "" )
2926             break;
2927         index++;
2928     }
2929
2930     return result;
2931 }
2932
2933 std::string dvd_chapter_codec_c::GetCodecName( bool f_for_title ) const
2934 {
2935     std::string result;
2936     if ( p_private_data->GetSize() >= 3)
2937     {
2938         const binary* p_data = p_private_data->GetBuffer();
2939 /*        if ( p_data[0] == MATROSKA_DVD_LEVEL_TT )
2940         {
2941             uint16_t i_title = (p_data[1] << 8) + p_data[2];
2942             char psz_str[11];
2943             sprintf( psz_str, " %d  ---", i_title );
2944             result = N_("---  DVD Title");
2945             result += psz_str;
2946         }
2947         else */ if ( p_data[0] == MATROSKA_DVD_LEVEL_LU )
2948         {
2949             char psz_str[11];
2950             sprintf( psz_str, " (%c%c)  ---", p_data[1], p_data[2] );
2951             result = N_("---  DVD Menu");
2952             result += psz_str;
2953         }
2954         else if ( p_data[0] == MATROSKA_DVD_LEVEL_SS && f_for_title )
2955         {
2956             if ( p_data[1] == 0x00 )
2957                 result = N_("First Played");
2958             else if ( p_data[1] == 0xC0 )
2959                 result = N_("Video Manager");
2960             else if ( p_data[1] == 0x80 )
2961             {
2962                 uint16_t i_title = (p_data[2] << 8) + p_data[3];
2963                 char psz_str[20];
2964                 sprintf( psz_str, " %d -----", i_title );
2965                 result = N_("----- Title");
2966                 result += psz_str;
2967             }
2968         }
2969     }
2970
2971     return result;
2972 }
2973
2974 int16 chapter_item_c::GetTitleNumber( ) const
2975 {
2976     int result = -1;
2977
2978     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2979     while ( index != codecs.end() )
2980     {
2981         result = (*index)->GetTitleNumber( );
2982         if ( result >= 0 )
2983             break;
2984         index++;
2985     }
2986
2987     return result;
2988 }
2989
2990 int16 dvd_chapter_codec_c::GetTitleNumber()
2991 {
2992     if ( p_private_data->GetSize() >= 3)
2993     {
2994         const binary* p_data = p_private_data->GetBuffer();
2995         if ( p_data[0] == MATROSKA_DVD_LEVEL_SS )
2996         {
2997             return int16( (p_data[2] << 8) + p_data[3] );
2998         }
2999     }
3000     return -1;
3001 }
3002
3003 static void Seek( demux_t *p_demux, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter )
3004 {
3005     demux_sys_t        *p_sys = p_demux->p_sys;
3006     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3007     matroska_segment_c *p_segment = p_vsegment->Segment();
3008     mtime_t            i_time_offset = 0;
3009
3010     int         i_index;
3011
3012     msg_Dbg( p_demux, "seek request to "I64Fd" (%f%%)", i_date, f_percent );
3013     if( i_date < 0 && f_percent < 0 )
3014     {
3015         msg_Warn( p_demux, "cannot seek nowhere !" );
3016         return;
3017     }
3018     if( f_percent > 1.0 )
3019     {
3020         msg_Warn( p_demux, "cannot seek so far !" );
3021         return;
3022     }
3023
3024     /* seek without index or without date */
3025     if( f_percent >= 0 && (config_GetInt( p_demux, "mkv-seek-percent" ) || !p_segment->b_cues || i_date < 0 ))
3026     {
3027         if (p_sys->f_duration >= 0)
3028         {
3029             i_date = int64_t( f_percent * p_sys->f_duration * 1000.0 );
3030         }
3031         else
3032         {
3033             int64_t i_pos = int64_t( f_percent * stream_Size( p_demux->s ) );
3034
3035             msg_Dbg( p_demux, "inacurate way of seeking" );
3036             for( i_index = 0; i_index < p_segment->i_index; i_index++ )
3037             {
3038                 if( p_segment->p_indexes[i_index].i_position >= i_pos)
3039                 {
3040                     break;
3041                 }
3042             }
3043             if( i_index == p_segment->i_index )
3044             {
3045                 i_index--;
3046             }
3047
3048             i_date = p_segment->p_indexes[i_index].i_time;
3049
3050 #if 0
3051             if( p_segment->p_indexes[i_index].i_position < i_pos )
3052             {
3053                 EbmlElement *el;
3054
3055                 msg_Warn( p_demux, "searching for cluster, could take some time" );
3056
3057                 /* search a cluster */
3058                 while( ( el = p_sys->ep->Get() ) != NULL )
3059                 {
3060                     if( MKV_IS_ID( el, KaxCluster ) )
3061                     {
3062                         KaxCluster *cluster = (KaxCluster*)el;
3063
3064                         /* add it to the index */
3065                         p_segment->IndexAppendCluster( cluster );
3066
3067                         if( (int64_t)cluster->GetElementPosition() >= i_pos )
3068                         {
3069                             p_sys->cluster = cluster;
3070                             p_sys->ep->Down();
3071                             break;
3072                         }
3073                     }
3074                 }
3075             }
3076 #endif
3077         }
3078     }
3079
3080     p_vsegment->Seek( *p_demux, i_date, i_time_offset, psz_chapter );
3081 }
3082
3083 /*****************************************************************************
3084  * Demux: reads and demuxes data packets
3085  *****************************************************************************
3086  * Returns -1 in case of error, 0 in case of EOF, 1 otherwise
3087  *****************************************************************************/
3088 static int Demux( demux_t *p_demux)
3089 {
3090     demux_sys_t        *p_sys = p_demux->p_sys;
3091
3092     vlc_mutex_lock( &p_sys->lock_demuxer );
3093
3094     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3095     matroska_segment_c *p_segment = p_vsegment->Segment();
3096     if ( p_segment == NULL ) return 0;
3097     int                i_block_count = 0;
3098     int                i_return = 0;
3099
3100     for( ;; )
3101     {
3102         if ( p_sys->demuxer.b_die )
3103             break;
3104
3105         if( p_sys->i_pts >= p_sys->i_start_pts  )
3106             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3107             {
3108                 i_return = 1;
3109                 break;
3110             }
3111
3112         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3113         {
3114             /* nothing left to read in this ordered edition */
3115             if ( !p_vsegment->SelectNext() )
3116                 break;
3117             p_segment->UnSelect( );
3118
3119             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3120
3121             /* switch to the next segment */
3122             p_segment = p_vsegment->Segment();
3123             if ( !p_segment->Select( 0 ) )
3124             {
3125                 msg_Err( p_demux, "Failed to select new segment" );
3126                 break;
3127             }
3128             continue;
3129         }
3130
3131         KaxBlock *block;
3132         int64_t i_block_duration = 0;
3133         int64_t i_block_ref1;
3134         int64_t i_block_ref2;
3135
3136         if( p_segment->BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
3137         {
3138             if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered )
3139             {
3140                 const chapter_item_c *p_chap = p_vsegment->CurrentChapter();
3141                 // check if there are more chapters to read
3142                 if ( p_chap != NULL )
3143                 {
3144                     /* TODO handle successive chapters with the same user_start_time/user_end_time
3145                     if ( p_chap->i_user_start_time == p_chap->i_user_start_time )
3146                         p_vsegment->SelectNext();
3147                     */
3148                     p_sys->i_last_dts = p_sys->i_pts = p_chap->i_user_end_time;
3149                     p_sys->i_pts++; // trick to avoid staying on segments with no duration and no content
3150
3151                     i_return = 1;
3152                 }
3153
3154                 break;
3155             }
3156             else
3157             {
3158                 msg_Warn( p_demux, "cannot get block EOF?" );
3159                 p_segment->UnSelect( );
3160
3161                 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3162
3163                 /* switch to the next segment */
3164                 if ( !p_vsegment->SelectNext() )
3165                     // no more segments in this stream
3166                     break;
3167                 p_segment = p_vsegment->Segment();
3168                 if ( !p_segment->Select( 0 ) )
3169                 {
3170                     msg_Err( p_demux, "Failed to select new segment" );
3171                     break;
3172                 }
3173
3174                 continue;
3175             }
3176         }
3177
3178         mtime_t i_pts, i_dts;
3179
3180         mtime_t i_time = block->GlobalTimecode();
3181         if ( i_block_ref1 != 0 )
3182             i_time += min( 0, i_block_ref1 );
3183         if ( i_block_ref2 != 0 )
3184             i_time += min( 0, i_block_ref2 );
3185
3186         i_pts = (p_sys->i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
3187         i_dts = (p_sys->i_chapter_time + i_time) / (mtime_t) 1000;
3188
3189         if ( i_dts != i_pts && p_sys->i_last_dts >= i_dts )
3190             p_sys->i_last_dts += 200;
3191         else
3192             p_sys->i_last_dts = i_dts;
3193
3194         p_sys->i_pts = i_pts;
3195
3196         if( p_sys->i_pts >= p_sys->i_start_pts  )
3197         {
3198             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pts );
3199         }
3200
3201         if( i_pts >= p_sys->i_start_pts  )
3202             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3203             {
3204                 i_return = 1;
3205                 break;
3206             }
3207
3208         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3209         {
3210             /* nothing left to read in this ordered edition */
3211             if ( !p_vsegment->SelectNext() )
3212                 break;
3213             p_segment->UnSelect( );
3214
3215             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3216
3217             /* switch to the next segment */
3218             p_segment = p_vsegment->Segment();
3219             if ( !p_segment->Select( 0 ) )
3220             {
3221                 msg_Err( p_demux, "Failed to select new segment" );
3222                 break;
3223             }
3224             continue;
3225         }
3226
3227         BlockDecode( p_demux, block, i_pts, i_block_duration );
3228
3229         delete block;
3230         i_block_count++;
3231
3232         // TODO optimize when there is need to leave or when seeking has been called
3233         if( i_block_count > 5 )
3234         {
3235             i_return = 1;
3236             break;
3237         }
3238     }
3239
3240     vlc_mutex_unlock( &p_sys->lock_demuxer );
3241
3242     return i_return;
3243 }
3244
3245
3246
3247 /*****************************************************************************
3248  * Stream managment
3249  *****************************************************************************/
3250 vlc_stream_io_callback::vlc_stream_io_callback( stream_t *s_ )
3251 {
3252     s = s_;
3253     mb_eof = VLC_FALSE;
3254 }
3255
3256 uint32 vlc_stream_io_callback::read( void *p_buffer, size_t i_size )
3257 {
3258     if( i_size <= 0 || mb_eof )
3259     {
3260         return 0;
3261     }
3262
3263     return stream_Read( s, p_buffer, i_size );
3264 }
3265 void vlc_stream_io_callback::setFilePointer(int64_t i_offset, seek_mode mode )
3266 {
3267     int64_t i_pos;
3268
3269     switch( mode )
3270     {
3271         case seek_beginning:
3272             i_pos = i_offset;
3273             break;
3274         case seek_end:
3275             i_pos = stream_Size( s ) - i_offset;
3276             break;
3277         default:
3278             i_pos= stream_Tell( s ) + i_offset;
3279             break;
3280     }
3281
3282     if( i_pos < 0 || i_pos >= stream_Size( s ) )
3283     {
3284         mb_eof = VLC_TRUE;
3285         return;
3286     }
3287
3288     mb_eof = VLC_FALSE;
3289     if( stream_Seek( s, i_pos ) )
3290     {
3291         mb_eof = VLC_TRUE;
3292     }
3293     return;
3294 }
3295 size_t vlc_stream_io_callback::write( const void *p_buffer, size_t i_size )
3296 {
3297     return 0;
3298 }
3299 uint64 vlc_stream_io_callback::getFilePointer( void )
3300 {
3301     return stream_Tell( s );
3302 }
3303 void vlc_stream_io_callback::close( void )
3304 {
3305     return;
3306 }
3307
3308
3309 /*****************************************************************************
3310  * Ebml Stream parser
3311  *****************************************************************************/
3312 EbmlParser::EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux )
3313 {
3314     int i;
3315
3316     m_es = es;
3317     m_got = NULL;
3318     m_el[0] = el_start;
3319     mi_remain_size[0] = el_start->GetSize();
3320
3321     for( i = 1; i < 6; i++ )
3322     {
3323         m_el[i] = NULL;
3324     }
3325     mi_level = 1;
3326     mi_user_level = 1;
3327     mb_keep = VLC_FALSE;
3328     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3329 }
3330
3331 EbmlParser::~EbmlParser( void )
3332 {
3333     int i;
3334
3335     for( i = 1; i < mi_level; i++ )
3336     {
3337         if( !mb_keep )
3338         {
3339             delete m_el[i];
3340         }
3341         mb_keep = VLC_FALSE;
3342     }
3343 }
3344
3345 EbmlElement* EbmlParser::UnGet( uint64 i_block_pos, uint64 i_cluster_pos )
3346 {
3347     if ( mi_user_level > mi_level )
3348     {
3349         while ( mi_user_level != mi_level )
3350         {
3351             delete m_el[mi_user_level];
3352             m_el[mi_user_level] = NULL;
3353             mi_user_level--;
3354         }
3355     }
3356     m_got = NULL;
3357     mb_keep = VLC_FALSE;
3358     if ( m_el[1]->GetElementPosition() == i_cluster_pos )
3359     {
3360         m_es->I_O().setFilePointer( i_block_pos, seek_beginning );
3361         return (EbmlMaster*) m_el[1];
3362     }
3363     else
3364     {
3365         // seek to the previous Cluster
3366         m_es->I_O().setFilePointer( i_cluster_pos, seek_beginning );
3367         mi_level--;
3368         mi_user_level--;
3369         delete m_el[mi_level];
3370         m_el[mi_level] = NULL;
3371         return NULL;
3372     }
3373 }
3374
3375 void EbmlParser::Up( void )
3376 {
3377     if( mi_user_level == mi_level )
3378     {
3379         fprintf( stderr," arrrrrrrrrrrrrg Up cannot escape itself\n" );
3380     }
3381
3382     mi_user_level--;
3383 }
3384
3385 void EbmlParser::Down( void )
3386 {
3387     mi_user_level++;
3388     mi_level++;
3389 }
3390
3391 void EbmlParser::Keep( void )
3392 {
3393     mb_keep = VLC_TRUE;
3394 }
3395
3396 int EbmlParser::GetLevel( void )
3397 {
3398     return mi_user_level;
3399 }
3400
3401 void EbmlParser::Reset( demux_t *p_demux )
3402 {
3403     while ( mi_level > 0)
3404     {
3405         delete m_el[mi_level];
3406         m_el[mi_level] = NULL;
3407         mi_level--;
3408     }
3409     mi_user_level = mi_level = 1;
3410 #if LIBEBML_VERSION >= 0x000704
3411     // a little faster and cleaner
3412     m_es->I_O().setFilePointer( static_cast<KaxSegment*>(m_el[0])->GetGlobalPosition(0) );
3413 #else
3414     m_es->I_O().setFilePointer( m_el[0]->GetElementPosition() + m_el[0]->ElementSize(true) - m_el[0]->GetSize() );
3415 #endif
3416     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3417 }
3418
3419 EbmlElement *EbmlParser::Get( void )
3420 {
3421     int i_ulev = 0;
3422
3423     if( mi_user_level != mi_level )
3424     {
3425         return NULL;
3426     }
3427     if( m_got )
3428     {
3429         EbmlElement *ret = m_got;
3430         m_got = NULL;
3431
3432         return ret;
3433     }
3434
3435     if( m_el[mi_level] )
3436     {
3437         m_el[mi_level]->SkipData( *m_es, m_el[mi_level]->Generic().Context );
3438         if( !mb_keep )
3439         {
3440             delete m_el[mi_level];
3441         }
3442         mb_keep = VLC_FALSE;
3443     }
3444
3445     m_el[mi_level] = m_es->FindNextElement( m_el[mi_level - 1]->Generic().Context, i_ulev, 0xFFFFFFFFL, mb_dummy != 0, 1 );
3446 //    mi_remain_size[mi_level] = m_el[mi_level]->GetSize();
3447     if( i_ulev > 0 )
3448     {
3449         while( i_ulev > 0 )
3450         {
3451             if( mi_level == 1 )
3452             {
3453                 mi_level = 0;
3454                 return NULL;
3455             }
3456
3457             delete m_el[mi_level - 1];
3458             m_got = m_el[mi_level -1] = m_el[mi_level];
3459             m_el[mi_level] = NULL;
3460
3461             mi_level--;
3462             i_ulev--;
3463         }
3464         return NULL;
3465     }
3466     else if( m_el[mi_level] == NULL )
3467     {
3468         fprintf( stderr," m_el[mi_level] == NULL\n" );
3469     }
3470
3471     return m_el[mi_level];
3472 }
3473
3474
3475 /*****************************************************************************
3476  * Tools
3477  *  * LoadCues : load the cues element and update index
3478  *
3479  *  * LoadTags : load ... the tags element
3480  *
3481  *  * InformationCreate : create all information, load tags if present
3482  *
3483  *****************************************************************************/
3484 void matroska_segment_c::LoadCues( )
3485 {
3486     int64_t     i_sav_position = es.I_O().getFilePointer();
3487     EbmlParser  *ep;
3488     EbmlElement *el, *cues;
3489
3490     /* *** Load the cue if found *** */
3491     if( i_cues_position < 0 )
3492     {
3493         msg_Warn( &sys.demuxer, "no cues/empty cues found->seek won't be precise" );
3494
3495 //        IndexAppendCluster( cluster );
3496     }
3497
3498     vlc_bool_t b_seekable;
3499
3500     stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
3501     if( !b_seekable )
3502         return;
3503
3504     msg_Dbg( &sys.demuxer, "loading cues" );
3505     es.I_O().setFilePointer( i_cues_position, seek_beginning );
3506     cues = es.FindNextID( KaxCues::ClassInfos, 0xFFFFFFFFL);
3507
3508     if( cues == NULL )
3509     {
3510         msg_Err( &sys.demuxer, "cannot load cues (broken seekhead or file)" );
3511         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3512         return;
3513     }
3514
3515     ep = new EbmlParser( &es, cues, &sys.demuxer );
3516     while( ( el = ep->Get() ) != NULL )
3517     {
3518         if( MKV_IS_ID( el, KaxCuePoint ) )
3519         {
3520 #define idx p_indexes[i_index]
3521
3522             idx.i_track       = -1;
3523             idx.i_block_number= -1;
3524             idx.i_position    = -1;
3525             idx.i_time        = 0;
3526             idx.b_key         = VLC_TRUE;
3527
3528             ep->Down();
3529             while( ( el = ep->Get() ) != NULL )
3530             {
3531                 if( MKV_IS_ID( el, KaxCueTime ) )
3532                 {
3533                     KaxCueTime &ctime = *(KaxCueTime*)el;
3534
3535                     ctime.ReadData( es.I_O() );
3536
3537                     idx.i_time = uint64( ctime ) * i_timescale / (mtime_t)1000;
3538                 }
3539                 else if( MKV_IS_ID( el, KaxCueTrackPositions ) )
3540                 {
3541                     ep->Down();
3542                     while( ( el = ep->Get() ) != NULL )
3543                     {
3544                         if( MKV_IS_ID( el, KaxCueTrack ) )
3545                         {
3546                             KaxCueTrack &ctrack = *(KaxCueTrack*)el;
3547
3548                             ctrack.ReadData( es.I_O() );
3549                             idx.i_track = uint16( ctrack );
3550                         }
3551                         else if( MKV_IS_ID( el, KaxCueClusterPosition ) )
3552                         {
3553                             KaxCueClusterPosition &ccpos = *(KaxCueClusterPosition*)el;
3554
3555                             ccpos.ReadData( es.I_O() );
3556                             idx.i_position = segment->GetGlobalPosition( uint64( ccpos ) );
3557                         }
3558                         else if( MKV_IS_ID( el, KaxCueBlockNumber ) )
3559                         {
3560                             KaxCueBlockNumber &cbnum = *(KaxCueBlockNumber*)el;
3561
3562                             cbnum.ReadData( es.I_O() );
3563                             idx.i_block_number = uint32( cbnum );
3564                         }
3565                         else
3566                         {
3567                             msg_Dbg( &sys.demuxer, "         * Unknown (%s)", typeid(*el).name() );
3568                         }
3569                     }
3570                     ep->Up();
3571                 }
3572                 else
3573                 {
3574                     msg_Dbg( &sys.demuxer, "     * Unknown (%s)", typeid(*el).name() );
3575                 }
3576             }
3577             ep->Up();
3578
3579 #if 0
3580             msg_Dbg( &sys.demuxer, " * added time="I64Fd" pos="I64Fd
3581                      " track=%d bnum=%d", idx.i_time, idx.i_position,
3582                      idx.i_track, idx.i_block_number );
3583 #endif
3584
3585             i_index++;
3586             if( i_index >= i_index_max )
3587             {
3588                 i_index_max += 1024;
3589                 p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
3590             }
3591 #undef idx
3592         }
3593         else
3594         {
3595             msg_Dbg( &sys.demuxer, " * Unknown (%s)", typeid(*el).name() );
3596         }
3597     }
3598     delete ep;
3599     delete cues;
3600
3601     b_cues = VLC_TRUE;
3602
3603     msg_Dbg( &sys.demuxer, "loading cues done." );
3604     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3605 }
3606
3607 void matroska_segment_c::LoadTags( )
3608 {
3609     int64_t     i_sav_position = es.I_O().getFilePointer();
3610     EbmlParser  *ep;
3611     EbmlElement *el, *tags;
3612
3613     msg_Dbg( &sys.demuxer, "loading tags" );
3614     es.I_O().setFilePointer( i_tags_position, seek_beginning );
3615     tags = es.FindNextID( KaxTags::ClassInfos, 0xFFFFFFFFL);
3616
3617     if( tags == NULL )
3618     {
3619         msg_Err( &sys.demuxer, "cannot load tags (broken seekhead or file)" );
3620         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3621         return;
3622     }
3623
3624     msg_Dbg( &sys.demuxer, "Tags" );
3625     ep = new EbmlParser( &es, tags, &sys.demuxer );
3626     while( ( el = ep->Get() ) != NULL )
3627     {
3628         if( MKV_IS_ID( el, KaxTag ) )
3629         {
3630             msg_Dbg( &sys.demuxer, "+ Tag" );
3631             ep->Down();
3632             while( ( el = ep->Get() ) != NULL )
3633             {
3634                 if( MKV_IS_ID( el, KaxTagTargets ) )
3635                 {
3636                     msg_Dbg( &sys.demuxer, "|   + Targets" );
3637                     ep->Down();
3638                     while( ( el = ep->Get() ) != NULL )
3639                     {
3640                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3641                     }
3642                     ep->Up();
3643                 }
3644                 else if( MKV_IS_ID( el, KaxTagGeneral ) )
3645                 {
3646                     msg_Dbg( &sys.demuxer, "|   + General" );
3647                     ep->Down();
3648                     while( ( el = ep->Get() ) != NULL )
3649                     {
3650                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3651                     }
3652                     ep->Up();
3653                 }
3654                 else if( MKV_IS_ID( el, KaxTagGenres ) )
3655                 {
3656                     msg_Dbg( &sys.demuxer, "|   + Genres" );
3657                     ep->Down();
3658                     while( ( el = ep->Get() ) != NULL )
3659                     {
3660                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3661                     }
3662                     ep->Up();
3663                 }
3664                 else if( MKV_IS_ID( el, KaxTagAudioSpecific ) )
3665                 {
3666                     msg_Dbg( &sys.demuxer, "|   + Audio Specific" );
3667                     ep->Down();
3668                     while( ( el = ep->Get() ) != NULL )
3669                     {
3670                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3671                     }
3672                     ep->Up();
3673                 }
3674                 else if( MKV_IS_ID( el, KaxTagImageSpecific ) )
3675                 {
3676                     msg_Dbg( &sys.demuxer, "|   + Images Specific" );
3677                     ep->Down();
3678                     while( ( el = ep->Get() ) != NULL )
3679                     {
3680                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3681                     }
3682                     ep->Up();
3683                 }
3684                 else if( MKV_IS_ID( el, KaxTagMultiComment ) )
3685                 {
3686                     msg_Dbg( &sys.demuxer, "|   + Multi Comment" );
3687                 }
3688                 else if( MKV_IS_ID( el, KaxTagMultiCommercial ) )
3689                 {
3690                     msg_Dbg( &sys.demuxer, "|   + Multi Commercial" );
3691                 }
3692                 else if( MKV_IS_ID( el, KaxTagMultiDate ) )
3693                 {
3694                     msg_Dbg( &sys.demuxer, "|   + Multi Date" );
3695                 }
3696                 else if( MKV_IS_ID( el, KaxTagMultiEntity ) )
3697                 {
3698                     msg_Dbg( &sys.demuxer, "|   + Multi Entity" );
3699                 }
3700                 else if( MKV_IS_ID( el, KaxTagMultiIdentifier ) )
3701                 {
3702                     msg_Dbg( &sys.demuxer, "|   + Multi Identifier" );
3703                 }
3704                 else if( MKV_IS_ID( el, KaxTagMultiLegal ) )
3705                 {
3706                     msg_Dbg( &sys.demuxer, "|   + Multi Legal" );
3707                 }
3708                 else if( MKV_IS_ID( el, KaxTagMultiTitle ) )
3709                 {
3710                     msg_Dbg( &sys.demuxer, "|   + Multi Title" );
3711                 }
3712                 else
3713                 {
3714                     msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid( *el ).name() );
3715                 }
3716             }
3717             ep->Up();
3718         }
3719         else
3720         {
3721             msg_Dbg( &sys.demuxer, "+ Unknown (%s)", typeid( *el ).name() );
3722         }
3723     }
3724     delete ep;
3725     delete tags;
3726
3727     msg_Dbg( &sys.demuxer, "loading tags done." );
3728     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3729 }
3730
3731 /*****************************************************************************
3732  * ParseSeekHead:
3733  *****************************************************************************/
3734 void matroska_segment_c::ParseSeekHead( KaxSeekHead *seekhead )
3735 {
3736     EbmlElement *el;
3737     size_t i, j;
3738     int i_upper_level = 0;
3739
3740     msg_Dbg( &sys.demuxer, "|   + Seek head" );
3741
3742     /* Master elements */
3743     seekhead->Read( es, seekhead->Generic().Context, i_upper_level, el, true );
3744
3745     for( i = 0; i < seekhead->ListSize(); i++ )
3746     {
3747         EbmlElement *l = (*seekhead)[i];
3748
3749         if( MKV_IS_ID( l, KaxSeek ) )
3750         {
3751             EbmlMaster *sk = static_cast<EbmlMaster *>(l);
3752             EbmlId id = EbmlVoid::ClassInfos.GlobalId;
3753             int64_t i_pos = -1;
3754
3755             for( j = 0; j < sk->ListSize(); j++ )
3756             {
3757                 EbmlElement *l = (*sk)[j];
3758
3759                 if( MKV_IS_ID( l, KaxSeekID ) )
3760                 {
3761                     KaxSeekID &sid = *(KaxSeekID*)l;
3762                     id = EbmlId( sid.GetBuffer(), sid.GetSize() );
3763                 }
3764                 else if( MKV_IS_ID( l, KaxSeekPosition ) )
3765                 {
3766                     KaxSeekPosition &spos = *(KaxSeekPosition*)l;
3767                     i_pos = uint64( spos );
3768                 }
3769                 else
3770                 {
3771                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
3772                 }
3773             }
3774
3775             if( i_pos >= 0 )
3776             {
3777                 if( id == KaxCues::ClassInfos.GlobalId )
3778                 {
3779                     msg_Dbg( &sys.demuxer, "|   |   |   = cues at "I64Fd, i_pos );
3780                     i_cues_position = segment->GetGlobalPosition( i_pos );
3781                 }
3782                 else if( id == KaxChapters::ClassInfos.GlobalId )
3783                 {
3784                     msg_Dbg( &sys.demuxer, "|   |   |   = chapters at "I64Fd, i_pos );
3785                     i_chapters_position = segment->GetGlobalPosition( i_pos );
3786                 }
3787                 else if( id == KaxTags::ClassInfos.GlobalId )
3788                 {
3789                     msg_Dbg( &sys.demuxer, "|   |   |   = tags at "I64Fd, i_pos );
3790                     i_tags_position = segment->GetGlobalPosition( i_pos );
3791                 }
3792             }
3793         }
3794         else
3795         {
3796             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
3797         }
3798     }
3799 }
3800
3801 /*****************************************************************************
3802  * ParseTrackEntry:
3803  *****************************************************************************/
3804 void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
3805 {
3806     size_t i, j, k, n;
3807
3808     mkv_track_t *tk;
3809
3810     msg_Dbg( &sys.demuxer, "|   |   + Track Entry" );
3811
3812     tk = new mkv_track_t();
3813     tracks.push_back( tk );
3814
3815     /* Init the track */
3816     memset( tk, 0, sizeof( mkv_track_t ) );
3817
3818     es_format_Init( &tk->fmt, UNKNOWN_ES, 0 );
3819     tk->fmt.psz_language = strdup("English");
3820     tk->fmt.psz_description = NULL;
3821
3822     tk->b_default = VLC_TRUE;
3823     tk->b_enabled = VLC_TRUE;
3824     tk->b_silent = VLC_FALSE;
3825     tk->i_number = tracks.size() - 1;
3826     tk->i_extra_data = 0;
3827     tk->p_extra_data = NULL;
3828     tk->psz_codec = NULL;
3829     tk->i_default_duration = 0;
3830     tk->f_timecodescale = 1.0;
3831
3832     tk->b_inited = VLC_FALSE;
3833     tk->i_data_init = 0;
3834     tk->p_data_init = NULL;
3835
3836     tk->psz_codec_name = NULL;
3837     tk->psz_codec_settings = NULL;
3838     tk->psz_codec_info_url = NULL;
3839     tk->psz_codec_download_url = NULL;
3840
3841     tk->i_compression_type = MATROSKA_COMPRESSION_NONE;
3842
3843     for( i = 0; i < m->ListSize(); i++ )
3844     {
3845         EbmlElement *l = (*m)[i];
3846
3847         if( MKV_IS_ID( l, KaxTrackNumber ) )
3848         {
3849             KaxTrackNumber &tnum = *(KaxTrackNumber*)l;
3850
3851             tk->i_number = uint32( tnum );
3852             msg_Dbg( &sys.demuxer, "|   |   |   + Track Number=%u", uint32( tnum ) );
3853         }
3854         else  if( MKV_IS_ID( l, KaxTrackUID ) )
3855         {
3856             KaxTrackUID &tuid = *(KaxTrackUID*)l;
3857
3858             msg_Dbg( &sys.demuxer, "|   |   |   + Track UID=%u",  uint32( tuid ) );
3859         }
3860         else  if( MKV_IS_ID( l, KaxTrackType ) )
3861         {
3862             char *psz_type;
3863             KaxTrackType &ttype = *(KaxTrackType*)l;
3864
3865             switch( uint8(ttype) )
3866             {
3867                 case track_audio:
3868                     psz_type = "audio";
3869                     tk->fmt.i_cat = AUDIO_ES;
3870                     break;
3871                 case track_video:
3872                     psz_type = "video";
3873                     tk->fmt.i_cat = VIDEO_ES;
3874                     break;
3875                 case track_subtitle:
3876                     psz_type = "subtitle";
3877                     tk->fmt.i_cat = SPU_ES;
3878                     break;
3879                 case track_buttons:
3880                     psz_type = "buttons";
3881                     tk->fmt.i_cat = SPU_ES;
3882                     break;
3883                 default:
3884                     psz_type = "unknown";
3885                     tk->fmt.i_cat = UNKNOWN_ES;
3886                     break;
3887             }
3888
3889             msg_Dbg( &sys.demuxer, "|   |   |   + Track Type=%s", psz_type );
3890         }
3891 //        else  if( EbmlId( *l ) == KaxTrackFlagEnabled::ClassInfos.GlobalId )
3892 //        {
3893 //            KaxTrackFlagEnabled &fenb = *(KaxTrackFlagEnabled*)l;
3894
3895 //            tk->b_enabled = uint32( fenb );
3896 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Enabled=%u",
3897 //                     uint32( fenb )  );
3898 //        }
3899         else  if( MKV_IS_ID( l, KaxTrackFlagDefault ) )
3900         {
3901             KaxTrackFlagDefault &fdef = *(KaxTrackFlagDefault*)l;
3902
3903             tk->b_default = uint32( fdef );
3904             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default=%u", uint32( fdef )  );
3905         }
3906         else  if( MKV_IS_ID( l, KaxTrackFlagLacing ) )
3907         {
3908             KaxTrackFlagLacing &lac = *(KaxTrackFlagLacing*)l;
3909
3910             msg_Dbg( &sys.demuxer, "|   |   |   + Track Lacing=%d", uint32( lac ) );
3911         }
3912         else  if( MKV_IS_ID( l, KaxTrackMinCache ) )
3913         {
3914             KaxTrackMinCache &cmin = *(KaxTrackMinCache*)l;
3915
3916             msg_Dbg( &sys.demuxer, "|   |   |   + Track MinCache=%d", uint32( cmin ) );
3917         }
3918         else  if( MKV_IS_ID( l, KaxTrackMaxCache ) )
3919         {
3920             KaxTrackMaxCache &cmax = *(KaxTrackMaxCache*)l;
3921
3922             msg_Dbg( &sys.demuxer, "|   |   |   + Track MaxCache=%d", uint32( cmax ) );
3923         }
3924         else  if( MKV_IS_ID( l, KaxTrackDefaultDuration ) )
3925         {
3926             KaxTrackDefaultDuration &defd = *(KaxTrackDefaultDuration*)l;
3927
3928             tk->i_default_duration = uint64(defd);
3929             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default Duration="I64Fd, uint64(defd) );
3930         }
3931         else  if( MKV_IS_ID( l, KaxTrackTimecodeScale ) )
3932         {
3933             KaxTrackTimecodeScale &ttcs = *(KaxTrackTimecodeScale*)l;
3934
3935             tk->f_timecodescale = float( ttcs );
3936             msg_Dbg( &sys.demuxer, "|   |   |   + Track TimeCodeScale=%f", tk->f_timecodescale );
3937         }
3938         else if( MKV_IS_ID( l, KaxTrackName ) )
3939         {
3940             KaxTrackName &tname = *(KaxTrackName*)l;
3941
3942             tk->fmt.psz_description = UTF8ToStr( UTFstring( tname ) );
3943             msg_Dbg( &sys.demuxer, "|   |   |   + Track Name=%s", tk->fmt.psz_description );
3944         }
3945         else  if( MKV_IS_ID( l, KaxTrackLanguage ) )
3946         {
3947             KaxTrackLanguage &lang = *(KaxTrackLanguage*)l;
3948
3949             tk->fmt.psz_language = strdup( string( lang ).c_str() );
3950             msg_Dbg( &sys.demuxer,
3951                      "|   |   |   + Track Language=`%s'", tk->fmt.psz_language );
3952         }
3953         else  if( MKV_IS_ID( l, KaxCodecID ) )
3954         {
3955             KaxCodecID &codecid = *(KaxCodecID*)l;
3956
3957             tk->psz_codec = strdup( string( codecid ).c_str() );
3958             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecId=%s", string( codecid ).c_str() );
3959         }
3960         else  if( MKV_IS_ID( l, KaxCodecPrivate ) )
3961         {
3962             KaxCodecPrivate &cpriv = *(KaxCodecPrivate*)l;
3963
3964             tk->i_extra_data = cpriv.GetSize();
3965             if( tk->i_extra_data > 0 )
3966             {
3967                 tk->p_extra_data = (uint8_t*)malloc( tk->i_extra_data );
3968                 memcpy( tk->p_extra_data, cpriv.GetBuffer(), tk->i_extra_data );
3969             }
3970             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecPrivate size="I64Fd, cpriv.GetSize() );
3971         }
3972         else if( MKV_IS_ID( l, KaxCodecName ) )
3973         {
3974             KaxCodecName &cname = *(KaxCodecName*)l;
3975
3976             tk->psz_codec_name = UTF8ToStr( UTFstring( cname ) );
3977             msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Name=%s", tk->psz_codec_name );
3978         }
3979         else if( MKV_IS_ID( l, KaxContentEncodings ) )
3980         {
3981             EbmlMaster *cencs = static_cast<EbmlMaster*>(l);
3982             MkvTree( sys.demuxer, 3, "Content Encodings" );
3983             for( j = 0; j < cencs->ListSize(); j++ )
3984             {
3985                 EbmlElement *l2 = (*cencs)[j];
3986                 if( MKV_IS_ID( l2, KaxContentEncoding ) )
3987                 {
3988                     MkvTree( sys.demuxer, 4, "Content Encoding" );
3989                     EbmlMaster *cenc = static_cast<EbmlMaster*>(l2);
3990                     for( k = 0; k < cenc->ListSize(); k++ )
3991                     {
3992                         EbmlElement *l3 = (*cenc)[k];
3993                         if( MKV_IS_ID( l3, KaxContentEncodingOrder ) )
3994                         {
3995                             KaxContentEncodingOrder &encord = *(KaxContentEncodingOrder*)l3;
3996                             MkvTree( sys.demuxer, 5, "Order: %i", uint32( encord ) );
3997                         }
3998                         else if( MKV_IS_ID( l3, KaxContentEncodingScope ) )
3999                         {
4000                             KaxContentEncodingScope &encscope = *(KaxContentEncodingScope*)l3;
4001                             MkvTree( sys.demuxer, 5, "Scope: %i", uint32( encscope ) );
4002                         }
4003                         else if( MKV_IS_ID( l3, KaxContentEncodingType ) )
4004                         {
4005                             KaxContentEncodingType &enctype = *(KaxContentEncodingType*)l3;
4006                             MkvTree( sys.demuxer, 5, "Type: %i", uint32( enctype ) );
4007                         }
4008                         else if( MKV_IS_ID( l3, KaxContentCompression ) )
4009                         {
4010                             EbmlMaster *compr = static_cast<EbmlMaster*>(l3);
4011                             MkvTree( sys.demuxer, 5, "Content Compression" );
4012                             for( n = 0; n < compr->ListSize(); n++ )
4013                             {
4014                                 EbmlElement *l4 = (*compr)[n];
4015                                 if( MKV_IS_ID( l4, KaxContentCompAlgo ) )
4016                                 {
4017                                     KaxContentCompAlgo &compalg = *(KaxContentCompAlgo*)l4;
4018                                     MkvTree( sys.demuxer, 6, "Compression Algorithm: %i", uint32(compalg) );
4019                                     if( uint32( compalg ) == 0 )
4020                                     {
4021                                         tk->i_compression_type = MATROSKA_COMPRESSION_ZLIB;
4022                                     }
4023                                 }
4024                                 else
4025                                 {
4026                                     MkvTree( sys.demuxer, 6, "Unknown (%s)", typeid(*l4).name() );
4027                                 }
4028                             }
4029                         }
4030
4031                         else
4032                         {
4033                             MkvTree( sys.demuxer, 5, "Unknown (%s)", typeid(*l3).name() );
4034                         }
4035                     }
4036
4037                 }
4038                 else
4039                 {
4040                     MkvTree( sys.demuxer, 4, "Unknown (%s)", typeid(*l2).name() );
4041                 }
4042             }
4043
4044         }
4045 //        else if( EbmlId( *l ) == KaxCodecSettings::ClassInfos.GlobalId )
4046 //        {
4047 //            KaxCodecSettings &cset = *(KaxCodecSettings*)l;
4048
4049 //            tk->psz_codec_settings = UTF8ToStr( UTFstring( cset ) );
4050 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Settings=%s", tk->psz_codec_settings );
4051 //        }
4052 //        else if( EbmlId( *l ) == KaxCodecInfoURL::ClassInfos.GlobalId )
4053 //        {
4054 //            KaxCodecInfoURL &ciurl = *(KaxCodecInfoURL*)l;
4055
4056 //            tk->psz_codec_info_url = strdup( string( ciurl ).c_str() );
4057 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_info_url );
4058 //        }
4059 //        else if( EbmlId( *l ) == KaxCodecDownloadURL::ClassInfos.GlobalId )
4060 //        {
4061 //            KaxCodecDownloadURL &cdurl = *(KaxCodecDownloadURL*)l;
4062
4063 //            tk->psz_codec_download_url = strdup( string( cdurl ).c_str() );
4064 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_download_url );
4065 //        }
4066 //        else if( EbmlId( *l ) == KaxCodecDecodeAll::ClassInfos.GlobalId )
4067 //        {
4068 //            KaxCodecDecodeAll &cdall = *(KaxCodecDecodeAll*)l;
4069
4070 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Decode All=%u <== UNUSED", uint8( cdall ) );
4071 //        }
4072 //        else if( EbmlId( *l ) == KaxTrackOverlay::ClassInfos.GlobalId )
4073 //        {
4074 //            KaxTrackOverlay &tovr = *(KaxTrackOverlay*)l;
4075
4076 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Overlay=%u <== UNUSED", uint32( tovr ) );
4077 //        }
4078         else  if( MKV_IS_ID( l, KaxTrackVideo ) )
4079         {
4080             EbmlMaster *tkv = static_cast<EbmlMaster*>(l);
4081             unsigned int j;
4082
4083             msg_Dbg( &sys.demuxer, "|   |   |   + Track Video" );
4084             tk->f_fps = 0.0;
4085
4086             tk->fmt.video.i_frame_rate_base = (unsigned int)(tk->i_default_duration / 1000);
4087             tk->fmt.video.i_frame_rate = 1000000;
4088
4089             for( j = 0; j < tkv->ListSize(); j++ )
4090             {
4091                 EbmlElement *l = (*tkv)[j];
4092 //                if( EbmlId( *el4 ) == KaxVideoFlagInterlaced::ClassInfos.GlobalId )
4093 //                {
4094 //                    KaxVideoFlagInterlaced &fint = *(KaxVideoFlagInterlaced*)el4;
4095
4096 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Interlaced=%u", uint8( fint ) );
4097 //                }
4098 //                else if( EbmlId( *el4 ) == KaxVideoStereoMode::ClassInfos.GlobalId )
4099 //                {
4100 //                    KaxVideoStereoMode &stereo = *(KaxVideoStereoMode*)el4;
4101
4102 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Stereo Mode=%u", uint8( stereo ) );
4103 //                }
4104 //                else
4105                 if( MKV_IS_ID( l, KaxVideoPixelWidth ) )
4106                 {
4107                     KaxVideoPixelWidth &vwidth = *(KaxVideoPixelWidth*)l;
4108
4109                     tk->fmt.video.i_width = uint16( vwidth );
4110                     msg_Dbg( &sys.demuxer, "|   |   |   |   + width=%d", uint16( vwidth ) );
4111                 }
4112                 else if( MKV_IS_ID( l, KaxVideoPixelHeight ) )
4113                 {
4114                     KaxVideoPixelWidth &vheight = *(KaxVideoPixelWidth*)l;
4115
4116                     tk->fmt.video.i_height = uint16( vheight );
4117                     msg_Dbg( &sys.demuxer, "|   |   |   |   + height=%d", uint16( vheight ) );
4118                 }
4119                 else if( MKV_IS_ID( l, KaxVideoDisplayWidth ) )
4120                 {
4121                     KaxVideoDisplayWidth &vwidth = *(KaxVideoDisplayWidth*)l;
4122
4123                     tk->fmt.video.i_visible_width = uint16( vwidth );
4124                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display width=%d", uint16( vwidth ) );
4125                 }
4126                 else if( MKV_IS_ID( l, KaxVideoDisplayHeight ) )
4127                 {
4128                     KaxVideoDisplayWidth &vheight = *(KaxVideoDisplayWidth*)l;
4129
4130                     tk->fmt.video.i_visible_height = uint16( vheight );
4131                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display height=%d", uint16( vheight ) );
4132                 }
4133                 else if( MKV_IS_ID( l, KaxVideoFrameRate ) )
4134                 {
4135                     KaxVideoFrameRate &vfps = *(KaxVideoFrameRate*)l;
4136
4137                     tk->f_fps = float( vfps );
4138                     msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( vfps ) );
4139                 }
4140 //                else if( EbmlId( *l ) == KaxVideoDisplayUnit::ClassInfos.GlobalId )
4141 //                {
4142 //                     KaxVideoDisplayUnit &vdmode = *(KaxVideoDisplayUnit*)l;
4143
4144 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Display Unit=%s",
4145 //                             uint8( vdmode ) == 0 ? "pixels" : ( uint8( vdmode ) == 1 ? "centimeters": "inches" ) );
4146 //                }
4147 //                else if( EbmlId( *l ) == KaxVideoAspectRatio::ClassInfos.GlobalId )
4148 //                {
4149 //                    KaxVideoAspectRatio &ratio = *(KaxVideoAspectRatio*)l;
4150
4151 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + Track Video Aspect Ratio Type=%u", uint8( ratio ) );
4152 //                }
4153 //                else if( EbmlId( *l ) == KaxVideoGamma::ClassInfos.GlobalId )
4154 //                {
4155 //                    KaxVideoGamma &gamma = *(KaxVideoGamma*)l;
4156
4157 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( gamma ) );
4158 //                }
4159                 else
4160                 {
4161                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4162                 }
4163             }
4164             if ( tk->fmt.video.i_visible_height && tk->fmt.video.i_visible_width )
4165                 tk->fmt.video.i_aspect = VOUT_ASPECT_FACTOR * tk->fmt.video.i_visible_width / tk->fmt.video.i_visible_height;
4166         }
4167         else  if( MKV_IS_ID( l, KaxTrackAudio ) )
4168         {
4169             EbmlMaster *tka = static_cast<EbmlMaster*>(l);
4170             unsigned int j;
4171
4172             msg_Dbg( &sys.demuxer, "|   |   |   + Track Audio" );
4173
4174             for( j = 0; j < tka->ListSize(); j++ )
4175             {
4176                 EbmlElement *l = (*tka)[j];
4177
4178                 if( MKV_IS_ID( l, KaxAudioSamplingFreq ) )
4179                 {
4180                     KaxAudioSamplingFreq &afreq = *(KaxAudioSamplingFreq*)l;
4181
4182                     tk->fmt.audio.i_rate = (int)float( afreq );
4183                     msg_Dbg( &sys.demuxer, "|   |   |   |   + afreq=%d", tk->fmt.audio.i_rate );
4184                 }
4185                 else if( MKV_IS_ID( l, KaxAudioChannels ) )
4186                 {
4187                     KaxAudioChannels &achan = *(KaxAudioChannels*)l;
4188
4189                     tk->fmt.audio.i_channels = uint8( achan );
4190                     msg_Dbg( &sys.demuxer, "|   |   |   |   + achan=%u", uint8( achan ) );
4191                 }
4192                 else if( MKV_IS_ID( l, KaxAudioBitDepth ) )
4193                 {
4194                     KaxAudioBitDepth &abits = *(KaxAudioBitDepth*)l;
4195
4196                     tk->fmt.audio.i_bitspersample = uint8( abits );
4197                     msg_Dbg( &sys.demuxer, "|   |   |   |   + abits=%u", uint8( abits ) );
4198                 }
4199                 else
4200                 {
4201                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4202                 }
4203             }
4204         }
4205         else
4206         {
4207             msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)",
4208                      typeid(*l).name() );
4209         }
4210     }
4211 }
4212
4213 /*****************************************************************************
4214  * ParseTracks:
4215  *****************************************************************************/
4216 void matroska_segment_c::ParseTracks( KaxTracks *tracks )
4217 {
4218     EbmlElement *el;
4219     unsigned int i;
4220     int i_upper_level = 0;
4221
4222     msg_Dbg( &sys.demuxer, "|   + Tracks" );
4223
4224     /* Master elements */
4225     tracks->Read( es, tracks->Generic().Context, i_upper_level, el, true );
4226
4227     for( i = 0; i < tracks->ListSize(); i++ )
4228     {
4229         EbmlElement *l = (*tracks)[i];
4230
4231         if( MKV_IS_ID( l, KaxTrackEntry ) )
4232         {
4233             ParseTrackEntry( static_cast<KaxTrackEntry *>(l) );
4234         }
4235         else
4236         {
4237             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4238         }
4239     }
4240 }
4241
4242 /*****************************************************************************
4243  * ParseInfo:
4244  *****************************************************************************/
4245 void matroska_segment_c::ParseInfo( KaxInfo *info )
4246 {
4247     EbmlElement *el;
4248     EbmlMaster  *m;
4249     size_t i, j;
4250     int i_upper_level = 0;
4251
4252     msg_Dbg( &sys.demuxer, "|   + Information" );
4253
4254     /* Master elements */
4255     m = static_cast<EbmlMaster *>(info);
4256     m->Read( es, info->Generic().Context, i_upper_level, el, true );
4257
4258     for( i = 0; i < m->ListSize(); i++ )
4259     {
4260         EbmlElement *l = (*m)[i];
4261
4262         if( MKV_IS_ID( l, KaxSegmentUID ) )
4263         {
4264             p_segment_uid = new KaxSegmentUID(*static_cast<KaxSegmentUID*>(l));
4265
4266             msg_Dbg( &sys.demuxer, "|   |   + UID=%d", *(uint32*)p_segment_uid->GetBuffer() );
4267         }
4268         else if( MKV_IS_ID( l, KaxPrevUID ) )
4269         {
4270             p_prev_segment_uid = new KaxPrevUID(*static_cast<KaxPrevUID*>(l));
4271
4272             msg_Dbg( &sys.demuxer, "|   |   + PrevUID=%d", *(uint32*)p_prev_segment_uid->GetBuffer() );
4273         }
4274         else if( MKV_IS_ID( l, KaxNextUID ) )
4275         {
4276             p_next_segment_uid = new KaxNextUID(*static_cast<KaxNextUID*>(l));
4277
4278             msg_Dbg( &sys.demuxer, "|   |   + NextUID=%d", *(uint32*)p_next_segment_uid->GetBuffer() );
4279         }
4280         else if( MKV_IS_ID( l, KaxTimecodeScale ) )
4281         {
4282             KaxTimecodeScale &tcs = *(KaxTimecodeScale*)l;
4283
4284             i_timescale = uint64(tcs);
4285
4286             msg_Dbg( &sys.demuxer, "|   |   + TimecodeScale="I64Fd,
4287                      i_timescale );
4288         }
4289         else if( MKV_IS_ID( l, KaxDuration ) )
4290         {
4291             KaxDuration &dur = *(KaxDuration*)l;
4292
4293             i_duration = mtime_t( double( dur ) );
4294
4295             msg_Dbg( &sys.demuxer, "|   |   + Duration="I64Fd,
4296                      i_duration );
4297         }
4298         else if( MKV_IS_ID( l, KaxMuxingApp ) )
4299         {
4300             KaxMuxingApp &mapp = *(KaxMuxingApp*)l;
4301
4302             psz_muxing_application = UTF8ToStr( UTFstring( mapp ) );
4303
4304             msg_Dbg( &sys.demuxer, "|   |   + Muxing Application=%s",
4305                      psz_muxing_application );
4306         }
4307         else if( MKV_IS_ID( l, KaxWritingApp ) )
4308         {
4309             KaxWritingApp &wapp = *(KaxWritingApp*)l;
4310
4311             psz_writing_application = UTF8ToStr( UTFstring( wapp ) );
4312
4313             msg_Dbg( &sys.demuxer, "|   |   + Writing Application=%s",
4314                      psz_writing_application );
4315         }
4316         else if( MKV_IS_ID( l, KaxSegmentFilename ) )
4317         {
4318             KaxSegmentFilename &sfn = *(KaxSegmentFilename*)l;
4319
4320             psz_segment_filename = UTF8ToStr( UTFstring( sfn ) );
4321
4322             msg_Dbg( &sys.demuxer, "|   |   + Segment Filename=%s",
4323                      psz_segment_filename );
4324         }
4325         else if( MKV_IS_ID( l, KaxTitle ) )
4326         {
4327             KaxTitle &title = *(KaxTitle*)l;
4328
4329             psz_title = UTF8ToStr( UTFstring( title ) );
4330
4331             msg_Dbg( &sys.demuxer, "|   |   + Title=%s", psz_title );
4332         }
4333         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
4334         {
4335             KaxSegmentFamily *uid = static_cast<KaxSegmentFamily*>(l);
4336
4337             families.push_back(*uid);
4338
4339             msg_Dbg( &sys.demuxer, "|   |   + family=%d", *(uint32*)uid->GetBuffer() );
4340         }
4341 #if defined( HAVE_GMTIME_R ) && !defined( SYS_DARWIN )
4342         else if( MKV_IS_ID( l, KaxDateUTC ) )
4343         {
4344             KaxDateUTC &date = *(KaxDateUTC*)l;
4345             time_t i_date;
4346             struct tm tmres;
4347             char   buffer[256];
4348
4349             i_date = date.GetEpochDate();
4350             memset( buffer, 0, 256 );
4351             if( gmtime_r( &i_date, &tmres ) &&
4352                 asctime_r( &tmres, buffer ) )
4353             {
4354                 buffer[strlen( buffer)-1]= '\0';
4355                 psz_date_utc = strdup( buffer );
4356                 msg_Dbg( &sys.demuxer, "|   |   + Date=%s", psz_date_utc );
4357             }
4358         }
4359 #endif
4360 #if LIBMATROSKA_VERSION >= 0x000704
4361         else if( MKV_IS_ID( l, KaxChapterTranslate ) )
4362         {
4363             KaxChapterTranslate *p_trans = static_cast<KaxChapterTranslate*>( l );
4364             chapter_translation_c *p_translate = new chapter_translation_c();
4365
4366             p_trans->Read( es, p_trans->Generic().Context, i_upper_level, el, true );
4367             for( j = 0; j < p_trans->ListSize(); j++ )
4368             {
4369                 EbmlElement *l = (*p_trans)[j];
4370
4371                 if( MKV_IS_ID( l, KaxChapterTranslateEditionUID ) )
4372                 {
4373                     p_translate->editions.push_back( uint64( *static_cast<KaxChapterTranslateEditionUID*>( l ) ) );
4374                 }
4375                 else if( MKV_IS_ID( l, KaxChapterTranslateCodec ) )
4376                 {
4377                     p_translate->codec_id = uint32( *static_cast<KaxChapterTranslateCodec*>( l ) );
4378                 }
4379                 else if( MKV_IS_ID( l, KaxChapterTranslateID ) )
4380                 {
4381                     p_translate->p_translated = new KaxChapterTranslateID( *static_cast<KaxChapterTranslateID*>( l ) );
4382                 }
4383             }
4384
4385             translations.push_back( p_translate );
4386         }
4387 #endif
4388         else
4389         {
4390             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4391         }
4392     }
4393
4394     double f_dur = double(i_duration) * double(i_timescale) / 1000000.0;
4395     i_duration = mtime_t(f_dur);
4396 }
4397
4398
4399 /*****************************************************************************
4400  * ParseChapterAtom
4401  *****************************************************************************/
4402 void matroska_segment_c::ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters )
4403 {
4404     size_t i, j;
4405
4406     msg_Dbg( &sys.demuxer, "|   |   |   + ChapterAtom (level=%d)", i_level );
4407     for( i = 0; i < ca->ListSize(); i++ )
4408     {
4409         EbmlElement *l = (*ca)[i];
4410
4411         if( MKV_IS_ID( l, KaxChapterUID ) )
4412         {
4413             chapters.i_uid = uint64_t(*(KaxChapterUID*)l);
4414             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterUID: %lld", chapters.i_uid );
4415         }
4416         else if( MKV_IS_ID( l, KaxChapterFlagHidden ) )
4417         {
4418             KaxChapterFlagHidden &flag =*(KaxChapterFlagHidden*)l;
4419             chapters.b_display_seekpoint = uint8( flag ) == 0;
4420
4421             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterFlagHidden: %s", chapters.b_display_seekpoint ? "no":"yes" );
4422         }
4423         else if( MKV_IS_ID( l, KaxChapterTimeStart ) )
4424         {
4425             KaxChapterTimeStart &start =*(KaxChapterTimeStart*)l;
4426             chapters.i_start_time = uint64( start ) / I64C(1000);
4427
4428             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeStart: %lld", chapters.i_start_time );
4429         }
4430         else if( MKV_IS_ID( l, KaxChapterTimeEnd ) )
4431         {
4432             KaxChapterTimeEnd &end =*(KaxChapterTimeEnd*)l;
4433             chapters.i_end_time = uint64( end ) / I64C(1000);
4434
4435             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeEnd: %lld", chapters.i_end_time );
4436         }
4437         else if( MKV_IS_ID( l, KaxChapterDisplay ) )
4438         {
4439             EbmlMaster *cd = static_cast<EbmlMaster *>(l);
4440
4441             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterDisplay" );
4442             for( j = 0; j < cd->ListSize(); j++ )
4443             {
4444                 EbmlElement *l= (*cd)[j];
4445
4446                 if( MKV_IS_ID( l, KaxChapterString ) )
4447                 {
4448                     int k;
4449
4450                     KaxChapterString &name =*(KaxChapterString*)l;
4451                     for (k = 0; k < i_level; k++)
4452                         chapters.psz_name += '+';
4453                     chapters.psz_name += ' ';
4454                     chapters.psz_name += UTF8ToStr( UTFstring( name ) );
4455                     chapters.b_user_display = true;
4456
4457                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterString '%s'", UTF8ToStr(UTFstring(name)) );
4458                 }
4459                 else if( MKV_IS_ID( l, KaxChapterLanguage ) )
4460                 {
4461                     KaxChapterLanguage &lang =*(KaxChapterLanguage*)l;
4462                     const char *psz = string( lang ).c_str();
4463
4464                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterLanguage '%s'", psz );
4465                 }
4466                 else if( MKV_IS_ID( l, KaxChapterCountry ) )
4467                 {
4468                     KaxChapterCountry &ct =*(KaxChapterCountry*)l;
4469                     const char *psz = string( ct ).c_str();
4470
4471                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterCountry '%s'", psz );
4472                 }
4473             }
4474         }
4475         else if( MKV_IS_ID( l, KaxChapterProcess ) )
4476         {
4477             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterProcess" );
4478
4479             KaxChapterProcess *cp = static_cast<KaxChapterProcess *>(l);
4480             chapter_codec_cmds_c *p_ccodec = NULL;
4481
4482             for( j = 0; j < cp->ListSize(); j++ )
4483             {
4484                 EbmlElement *k= (*cp)[j];
4485
4486                 if( MKV_IS_ID( k, KaxChapterProcessCodecID ) )
4487                 {
4488                     KaxChapterProcessCodecID *p_codec_id = static_cast<KaxChapterProcessCodecID*>( k );
4489                     if ( uint32(*p_codec_id) == 0 )
4490                         p_ccodec = new matroska_script_codec_c( sys );
4491                     else if ( uint32(*p_codec_id) == 1 )
4492                         p_ccodec = new dvd_chapter_codec_c( sys );
4493                     break;
4494                 }
4495             }
4496
4497             if ( p_ccodec != NULL )
4498             {
4499                 for( j = 0; j < cp->ListSize(); j++ )
4500                 {
4501                     EbmlElement *k= (*cp)[j];
4502
4503                     if( MKV_IS_ID( k, KaxChapterProcessPrivate ) )
4504                     {
4505                         KaxChapterProcessPrivate * p_private = static_cast<KaxChapterProcessPrivate*>( k );
4506                         p_ccodec->SetPrivate( *p_private );
4507                     }
4508                     else if( MKV_IS_ID( k, KaxChapterProcessCommand ) )
4509                     {
4510                         p_ccodec->AddCommand( *static_cast<KaxChapterProcessCommand*>( k ) );
4511                     }
4512                 }
4513                 chapters.codecs.push_back( p_ccodec );
4514             }
4515         }
4516         else if( MKV_IS_ID( l, KaxChapterAtom ) )
4517         {
4518             chapter_item_c *new_sub_chapter = new chapter_item_c();
4519             ParseChapterAtom( i_level+1, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4520             new_sub_chapter->psz_parent = &chapters;
4521             chapters.sub_chapters.push_back( new_sub_chapter );
4522         }
4523     }
4524 }
4525
4526 /*****************************************************************************
4527  * ParseChapters:
4528  *****************************************************************************/
4529 void matroska_segment_c::ParseChapters( KaxChapters *chapters )
4530 {
4531     EbmlElement *el;
4532     size_t i;
4533     int i_upper_level = 0;
4534     mtime_t i_dur;
4535
4536     /* Master elements */
4537     chapters->Read( es, chapters->Generic().Context, i_upper_level, el, true );
4538
4539     for( i = 0; i < chapters->ListSize(); i++ )
4540     {
4541         EbmlElement *l = (*chapters)[i];
4542
4543         if( MKV_IS_ID( l, KaxEditionEntry ) )
4544         {
4545             chapter_edition_c *p_edition = new chapter_edition_c();
4546
4547             EbmlMaster *E = static_cast<EbmlMaster *>(l );
4548             size_t j;
4549             msg_Dbg( &sys.demuxer, "|   |   + EditionEntry" );
4550             for( j = 0; j < E->ListSize(); j++ )
4551             {
4552                 EbmlElement *l = (*E)[j];
4553
4554                 if( MKV_IS_ID( l, KaxChapterAtom ) )
4555                 {
4556                     chapter_item_c *new_sub_chapter = new chapter_item_c();
4557                     ParseChapterAtom( 0, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4558                     p_edition->sub_chapters.push_back( new_sub_chapter );
4559                 }
4560                 else if( MKV_IS_ID( l, KaxEditionUID ) )
4561                 {
4562                     p_edition->i_uid = uint64(*static_cast<KaxEditionUID *>( l ));
4563                 }
4564                 else if( MKV_IS_ID( l, KaxEditionFlagOrdered ) )
4565                 {
4566                     p_edition->b_ordered = config_GetInt( &sys.demuxer, "mkv-use-ordered-chapters" ) ? (uint8(*static_cast<KaxEditionFlagOrdered *>( l )) != 0) : 0;
4567                 }
4568                 else if( MKV_IS_ID( l, KaxEditionFlagDefault ) )
4569                 {
4570                     if (uint8(*static_cast<KaxEditionFlagDefault *>( l )) != 0)
4571                         i_default_edition = stored_editions.size();
4572                 }
4573                 else
4574                 {
4575                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
4576                 }
4577             }
4578             stored_editions.push_back( p_edition );
4579         }
4580         else
4581         {
4582             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4583         }
4584     }
4585
4586     for( i = 0; i < stored_editions.size(); i++ )
4587     {
4588         stored_editions[i]->RefreshChapters( );
4589     }
4590
4591     if ( stored_editions.size() != 0 && stored_editions[i_default_edition]->b_ordered )
4592     {
4593         /* update the duration of the segment according to the sum of all sub chapters */
4594         i_dur = stored_editions[i_default_edition]->Duration() / I64C(1000);
4595         if (i_dur > 0)
4596             i_duration = i_dur;
4597     }
4598 }
4599
4600 void matroska_segment_c::ParseCluster( )
4601 {
4602     EbmlElement *el;
4603     EbmlMaster  *m;
4604     unsigned int i;
4605     int i_upper_level = 0;
4606
4607     /* Master elements */
4608     m = static_cast<EbmlMaster *>( cluster );
4609     m->Read( es, cluster->Generic().Context, i_upper_level, el, true );
4610
4611     for( i = 0; i < m->ListSize(); i++ )
4612     {
4613         EbmlElement *l = (*m)[i];
4614
4615         if( MKV_IS_ID( l, KaxClusterTimecode ) )
4616         {
4617             KaxClusterTimecode &ctc = *(KaxClusterTimecode*)l;
4618
4619             cluster->InitTimecode( uint64( ctc ), i_timescale );
4620             break;
4621         }
4622     }
4623
4624     i_start_time = cluster->GlobalTimecode() / 1000;
4625 }
4626
4627 /*****************************************************************************
4628  * InformationCreate:
4629  *****************************************************************************/
4630 void matroska_segment_c::InformationCreate( )
4631 {
4632     size_t      i_track;
4633
4634     sys.meta = vlc_meta_New();
4635
4636     if( psz_title )
4637     {
4638         vlc_meta_Add( sys.meta, VLC_META_TITLE, psz_title );
4639     }
4640     if( psz_date_utc )
4641     {
4642         vlc_meta_Add( sys.meta, VLC_META_DATE, psz_date_utc );
4643     }
4644     if( psz_segment_filename )
4645     {
4646         vlc_meta_Add( sys.meta, _("Segment filename"), psz_segment_filename );
4647     }
4648     if( psz_muxing_application )
4649     {
4650         vlc_meta_Add( sys.meta, _("Muxing application"), psz_muxing_application );
4651     }
4652     if( psz_writing_application )
4653     {
4654         vlc_meta_Add( sys.meta, _("Writing application"), psz_writing_application );
4655     }
4656
4657     for( i_track = 0; i_track < tracks.size(); i_track++ )
4658     {
4659         mkv_track_t *tk = tracks[i_track];
4660         vlc_meta_t *mtk = vlc_meta_New();
4661
4662         sys.meta->track = (vlc_meta_t**)realloc( sys.meta->track,
4663                                                     sizeof( vlc_meta_t * ) * ( sys.meta->i_track + 1 ) );
4664         sys.meta->track[sys.meta->i_track++] = mtk;
4665
4666         if( tk->fmt.psz_description )
4667         {
4668             vlc_meta_Add( sys.meta, VLC_META_DESCRIPTION, tk->fmt.psz_description );
4669         }
4670         if( tk->psz_codec_name )
4671         {
4672             vlc_meta_Add( sys.meta, VLC_META_CODEC_NAME, tk->psz_codec_name );
4673         }
4674         if( tk->psz_codec_settings )
4675         {
4676             vlc_meta_Add( sys.meta, VLC_META_SETTING, tk->psz_codec_settings );
4677         }
4678         if( tk->psz_codec_info_url )
4679         {
4680             vlc_meta_Add( sys.meta, VLC_META_CODEC_DESCRIPTION, tk->psz_codec_info_url );
4681         }
4682         if( tk->psz_codec_download_url )
4683         {
4684             vlc_meta_Add( sys.meta, VLC_META_URL, tk->psz_codec_download_url );
4685         }
4686     }
4687
4688     if( i_tags_position >= 0 )
4689     {
4690         vlc_bool_t b_seekable;
4691
4692         stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
4693         if( b_seekable )
4694         {
4695             LoadTags( );
4696         }
4697     }
4698 }
4699
4700
4701 /*****************************************************************************
4702  * Divers
4703  *****************************************************************************/
4704
4705 void matroska_segment_c::IndexAppendCluster( KaxCluster *cluster )
4706 {
4707 #define idx p_indexes[i_index]
4708     idx.i_track       = -1;
4709     idx.i_block_number= -1;
4710     idx.i_position    = cluster->GetElementPosition();
4711     idx.i_time        = -1;
4712     idx.b_key         = VLC_TRUE;
4713
4714     i_index++;
4715     if( i_index >= i_index_max )
4716     {
4717         i_index_max += 1024;
4718         p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
4719     }
4720 #undef idx
4721 }
4722
4723 static char * UTF8ToStr( const UTFstring &u )
4724 {
4725     int     i_src;
4726     const wchar_t *src;
4727     char *dst, *p;
4728
4729     i_src = u.length();
4730     src   = u.c_str();
4731
4732     p = dst = (char*)malloc( i_src + 1);
4733     while( i_src > 0 )
4734     {
4735         if( *src < 255 )
4736         {
4737             *p++ = (char)*src;
4738         }
4739         else
4740         {
4741             *p++ = '?';
4742         }
4743         src++;
4744         i_src--;
4745     }
4746     *p++= '\0';
4747
4748     return dst;
4749 }
4750
4751 void chapter_edition_c::RefreshChapters( )
4752 {
4753     chapter_item_c::RefreshChapters( b_ordered, -1 );
4754     b_display_seekpoint = false;
4755 }
4756
4757 int64_t chapter_item_c::RefreshChapters( bool b_ordered, int64_t i_prev_user_time )
4758 {
4759     int64_t i_user_time = i_prev_user_time;
4760
4761     // first the sub-chapters, and then ourself
4762     std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
4763     while ( index != sub_chapters.end() )
4764     {
4765         i_user_time = (*index)->RefreshChapters( b_ordered, i_user_time );
4766         index++;
4767     }
4768
4769     if ( b_ordered )
4770     {
4771         // the ordered chapters always start at zero
4772         if ( i_prev_user_time == -1 )
4773         {
4774             if ( i_user_time == -1 )
4775                 i_user_time = 0;
4776             i_prev_user_time = 0;
4777         }
4778
4779         i_user_start_time = i_prev_user_time;
4780         if ( i_end_time != -1 && i_user_time == i_prev_user_time )
4781         {
4782             i_user_end_time = i_user_start_time - i_start_time + i_end_time;
4783         }
4784         else
4785         {
4786             i_user_end_time = i_user_time;
4787         }
4788     }
4789     else
4790     {
4791         std::sort( sub_chapters.begin(), sub_chapters.end() );
4792         i_user_start_time = i_start_time;
4793         if ( i_end_time != -1 )
4794             i_user_end_time = i_end_time;
4795         else if ( i_user_time != -1 )
4796             i_user_end_time = i_user_time;
4797         else
4798             i_user_end_time = i_user_start_time;
4799     }
4800
4801     return i_user_end_time;
4802 }
4803
4804 mtime_t chapter_edition_c::Duration() const
4805 {
4806     mtime_t i_result = 0;
4807
4808     if ( sub_chapters.size() )
4809     {
4810         std::vector<chapter_item_c*>::const_iterator index = sub_chapters.end();
4811         index--;
4812         i_result = (*index)->i_user_end_time;
4813     }
4814
4815     return i_result;
4816 }
4817
4818 chapter_item_c * chapter_edition_c::FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current )
4819 {
4820     if ( !b_ordered )
4821         p_current = NULL;
4822     bool b_found_current = false;
4823     return chapter_item_c::FindTimecode( i_timecode, p_current, b_found_current );
4824 }
4825
4826 chapter_item_c *chapter_item_c::FindTimecode( mtime_t i_user_timecode, const chapter_item_c * p_current, bool & b_found )
4827 {
4828     chapter_item_c *psz_result = NULL;
4829
4830     if ( p_current == this )
4831         b_found = true;
4832
4833     if ( i_user_timecode >= i_user_start_time &&
4834         ( i_user_timecode < i_user_end_time ||
4835           ( i_user_start_time == i_user_end_time && i_user_timecode == i_user_end_time )))
4836     {
4837         std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
4838         while ( index != sub_chapters.end() && ((p_current == NULL && psz_result == NULL) || (p_current != NULL && (!b_found || psz_result == NULL))))
4839         {
4840             psz_result = (*index)->FindTimecode( i_user_timecode, p_current, b_found );
4841             index++;
4842         }
4843
4844         if ( psz_result == NULL )
4845             psz_result = this;
4846     }
4847
4848     return psz_result;
4849 }
4850
4851 bool chapter_item_c::ParentOf( const chapter_item_c & item ) const
4852 {
4853     if ( &item == this )
4854         return true;
4855
4856     std::vector<chapter_item_c*>::const_iterator index = sub_chapters.begin();
4857     while ( index != sub_chapters.end() )
4858     {
4859         if ( (*index)->ParentOf( item ) )
4860             return true;
4861         index++;
4862     }
4863
4864     return false;
4865 }
4866
4867 void demux_sys_t::PreloadFamily( const matroska_segment_c & of_segment )
4868 {
4869     for (size_t i=0; i<opened_segments.size(); i++)
4870     {
4871         opened_segments[i]->PreloadFamily( of_segment );
4872     }
4873 }
4874 bool matroska_segment_c::PreloadFamily( const matroska_segment_c & of_segment )
4875 {
4876     if ( b_preloaded )
4877         return false;
4878
4879     for (size_t i=0; i<families.size(); i++)
4880     {
4881         for (size_t j=0; j<of_segment.families.size(); j++)
4882         {
4883             if ( families[i] == of_segment.families[j] )
4884                 return Preload( );
4885         }
4886     }
4887
4888     return false;
4889 }
4890
4891 // preload all the linked segments for all preloaded segments
4892 void demux_sys_t::PreloadLinked( matroska_segment_c *p_segment )
4893 {
4894     size_t i_preloaded, i, j;
4895     virtual_segment_c *p_seg;
4896
4897     p_current_segment = VirtualFromSegments( p_segment );
4898
4899     used_segments.push_back( p_current_segment );
4900
4901     // create all the other virtual segments of the family
4902     do {
4903         i_preloaded = 0;
4904         for ( i=0; i< opened_segments.size(); i++ )
4905         {
4906             if ( opened_segments[i]->b_preloaded && !IsUsedSegment( *opened_segments[i] ) )
4907             {
4908                 p_seg = VirtualFromSegments( opened_segments[i] );
4909                 used_segments.push_back( p_seg );
4910                 i_preloaded++;
4911             }
4912         }
4913     } while ( i_preloaded ); // worst case: will stop when all segments are found as family related
4914
4915     // publish all editions of all usable segment
4916     for ( i=0; i< used_segments.size(); i++ )
4917     {
4918         p_seg = used_segments[i];
4919         if ( p_seg->p_editions != NULL )
4920         {
4921             std::string sz_name;
4922             input_title_t *p_title = vlc_input_title_New();
4923             p_seg->i_sys_title = i;
4924             int i_chapters;
4925
4926             // TODO use a name for each edition, let the TITLE deal with a codec name
4927             for ( j=0; j<p_seg->p_editions->size(); j++ )
4928             {
4929                 if ( p_title->psz_name == NULL )
4930                 {
4931                     sz_name = (*p_seg->p_editions)[j]->GetMainName();
4932                     if ( sz_name != "" )
4933                         p_title->psz_name = strdup( sz_name.c_str() );
4934                 }
4935
4936                 chapter_edition_c *p_edition = (*p_seg->p_editions)[j];
4937
4938                 i_chapters = 0;
4939                 p_edition->PublishChapters( *p_title, i_chapters, 0 );
4940             }
4941
4942             // create a name if there is none
4943             if ( p_title->psz_name == NULL )
4944             {
4945                 sz_name = N_("Segment ");
4946                 char psz_str[6];
4947                 sprintf( psz_str, "%d", i );
4948                 sz_name += psz_str;
4949                 p_title->psz_name = strdup( sz_name.c_str() );
4950             }
4951
4952             titles.push_back( p_title );
4953         }
4954     }
4955
4956     // TODO decide which segment should be first used (VMG for DVD)
4957 }
4958
4959 bool demux_sys_t::IsUsedSegment( matroska_segment_c &segment ) const
4960 {
4961     for ( size_t i=0; i< used_segments.size(); i++ )
4962     {
4963         if ( used_segments[i]->FindUID( *segment.p_segment_uid ) )
4964             return true;
4965     }
4966     return false;
4967 }
4968
4969 virtual_segment_c *demux_sys_t::VirtualFromSegments( matroska_segment_c *p_segment ) const
4970 {
4971     size_t i_preloaded, i;
4972
4973     virtual_segment_c *p_result = new virtual_segment_c( p_segment );
4974
4975     // fill our current virtual segment with all hard linked segments
4976     do {
4977         i_preloaded = 0;
4978         for ( i=0; i< opened_segments.size(); i++ )
4979         {
4980             i_preloaded += p_result->AddSegment( opened_segments[i] );
4981         }
4982     } while ( i_preloaded ); // worst case: will stop when all segments are found as linked
4983
4984     p_result->Sort( );
4985
4986     p_result->PreloadLinked( );
4987
4988     p_result->PrepareChapters( );
4989
4990     return p_result;
4991 }
4992
4993 bool demux_sys_t::PreparePlayback( virtual_segment_c *p_new_segment )
4994 {
4995     if ( p_new_segment != NULL && p_new_segment != p_current_segment )
4996     {
4997         if ( p_current_segment != NULL && p_current_segment->Segment() != NULL )
4998             p_current_segment->Segment()->UnSelect();
4999
5000         p_current_segment = p_new_segment;
5001         i_current_title = p_new_segment->i_sys_title;
5002     }
5003
5004     p_current_segment->LoadCues();
5005     f_duration = p_current_segment->Duration();
5006
5007     /* add information */
5008     p_current_segment->Segment()->InformationCreate( );
5009
5010     p_current_segment->Segment()->Select( 0 );
5011
5012     return true;
5013 }
5014
5015 void demux_sys_t::JumpTo( virtual_segment_c & vsegment, chapter_item_c * p_chapter )
5016 {
5017     // if the segment is not part of the current segment, select the new one
5018     if ( &vsegment != p_current_segment )
5019     {
5020         PreparePlayback( &vsegment );
5021     }
5022
5023     if ( p_chapter != NULL )
5024     {
5025         if ( !p_chapter->Enter( true ) )
5026         {
5027             // jump to the location in the found segment
5028             vsegment.Seek( demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5029         }
5030     }
5031
5032 }
5033
5034 bool matroska_segment_c::CompareSegmentUIDs( const matroska_segment_c * p_item_a, const matroska_segment_c * p_item_b )
5035 {
5036     EbmlBinary * p_itema = (EbmlBinary *)(p_item_a->p_segment_uid);
5037     if ( *p_itema == *p_item_b->p_prev_segment_uid )
5038         return true;
5039
5040     p_itema = (EbmlBinary *)(&p_item_a->p_next_segment_uid);
5041     if ( *p_itema == *p_item_b->p_segment_uid )
5042         return true;
5043
5044     if ( *p_itema == *p_item_b->p_prev_segment_uid )
5045         return true;
5046
5047     return false;
5048 }
5049
5050 bool matroska_segment_c::Preload( )
5051 {
5052     if ( b_preloaded )
5053         return false;
5054
5055     EbmlElement *el = NULL;
5056
5057     ep->Reset( &sys.demuxer );
5058
5059     while( ( el = ep->Get() ) != NULL )
5060     {
5061         if( MKV_IS_ID( el, KaxInfo ) )
5062         {
5063             ParseInfo( static_cast<KaxInfo*>( el ) );
5064         }
5065         else if( MKV_IS_ID( el, KaxTracks ) )
5066         {
5067             ParseTracks( static_cast<KaxTracks*>( el ) );
5068         }
5069         else if( MKV_IS_ID( el, KaxSeekHead ) )
5070         {
5071             ParseSeekHead( static_cast<KaxSeekHead*>( el ) );
5072         }
5073         else if( MKV_IS_ID( el, KaxCues ) )
5074         {
5075             msg_Dbg( &sys.demuxer, "|   + Cues" );
5076         }
5077         else if( MKV_IS_ID( el, KaxCluster ) )
5078         {
5079             msg_Dbg( &sys.demuxer, "|   + Cluster" );
5080
5081             cluster = (KaxCluster*)el;
5082
5083             i_cluster_pos = i_start_pos = cluster->GetElementPosition();
5084             ParseCluster( );
5085
5086             ep->Down();
5087             /* stop parsing the stream */
5088             break;
5089         }
5090         else if( MKV_IS_ID( el, KaxAttachments ) )
5091         {
5092             msg_Dbg( &sys.demuxer, "|   + Attachments FIXME (but probably never supported)" );
5093         }
5094         else if( MKV_IS_ID( el, KaxChapters ) )
5095         {
5096             msg_Dbg( &sys.demuxer, "|   + Chapters" );
5097             ParseChapters( static_cast<KaxChapters*>( el ) );
5098         }
5099         else if( MKV_IS_ID( el, KaxTag ) )
5100         {
5101             msg_Dbg( &sys.demuxer, "|   + Tags FIXME TODO" );
5102         }
5103         else
5104         {
5105             msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid(*el).name() );
5106         }
5107     }
5108
5109     b_preloaded = true;
5110
5111     return true;
5112 }
5113
5114 matroska_segment_c *demux_sys_t::FindSegment( const EbmlBinary & uid ) const
5115 {
5116     for (size_t i=0; i<opened_segments.size(); i++)
5117     {
5118         if ( *opened_segments[i]->p_segment_uid == uid )
5119             return opened_segments[i];
5120     }
5121     return NULL;
5122 }
5123
5124 chapter_item_c *demux_sys_t::BrowseCodecPrivate( unsigned int codec_id,
5125                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
5126                                         const void *p_cookie,
5127                                         size_t i_cookie_size,
5128                                         virtual_segment_c * &p_segment_found )
5129 {
5130     chapter_item_c *p_result = NULL;
5131     for (size_t i=0; i<used_segments.size(); i++)
5132     {
5133         p_result = used_segments[i]->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
5134         if ( p_result != NULL )
5135         {
5136             p_segment_found = used_segments[i];
5137             break;
5138         }
5139     }
5140     return p_result;
5141 }
5142
5143 chapter_item_c *demux_sys_t::FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found )
5144 {
5145     chapter_item_c *p_result = NULL;
5146     for (size_t i=0; i<used_segments.size(); i++)
5147     {
5148         p_result = used_segments[i]->FindChapter( i_find_uid );
5149         if ( p_result != NULL )
5150         {
5151             p_segment_found = used_segments[i];
5152             break;
5153         }
5154     }
5155     return p_result;
5156 }
5157
5158 void virtual_segment_c::Sort()
5159 {
5160     // keep the current segment index
5161     matroska_segment_c *p_segment = linked_segments[i_current_segment];
5162
5163     std::sort( linked_segments.begin(), linked_segments.end(), matroska_segment_c::CompareSegmentUIDs );
5164
5165     for ( i_current_segment=0; i_current_segment<linked_segments.size(); i_current_segment++)
5166         if ( linked_segments[i_current_segment] == p_segment )
5167             break;
5168 }
5169
5170 size_t virtual_segment_c::AddSegment( matroska_segment_c *p_segment )
5171 {
5172     size_t i;
5173     // check if it's not already in here
5174     for ( i=0; i<linked_segments.size(); i++ )
5175     {
5176         if ( *p_segment->p_segment_uid == *linked_segments[i]->p_segment_uid )
5177             return 0;
5178     }
5179
5180     // find possible mates
5181     for ( i=0; i<linked_uids.size(); i++ )
5182     {
5183         if (   (p_segment->p_segment_uid != NULL && *p_segment->p_segment_uid == linked_uids[i])
5184             || (p_segment->p_prev_segment_uid != NULL && *p_segment->p_prev_segment_uid == linked_uids[i])
5185             || (p_segment->p_next_segment_uid !=NULL && *p_segment->p_next_segment_uid == linked_uids[i]) )
5186         {
5187             linked_segments.push_back( p_segment );
5188
5189             AppendUID( p_segment->p_prev_segment_uid );
5190             AppendUID( p_segment->p_next_segment_uid );
5191
5192             return 1;
5193         }
5194     }
5195     return 0;
5196 }
5197
5198 void virtual_segment_c::PreloadLinked( )
5199 {
5200     for ( size_t i=0; i<linked_segments.size(); i++ )
5201     {
5202         linked_segments[i]->Preload( );
5203     }
5204     i_current_edition = linked_segments[0]->i_default_edition;
5205 }
5206
5207 mtime_t virtual_segment_c::Duration() const
5208 {
5209     mtime_t i_duration;
5210     if ( linked_segments.size() == 0 )
5211         i_duration = 0;
5212     else {
5213         matroska_segment_c *p_last_segment = linked_segments[linked_segments.size()-1];
5214 //        p_last_segment->ParseCluster( );
5215
5216         i_duration = p_last_segment->i_start_time / 1000 + p_last_segment->i_duration;
5217     }
5218     return i_duration;
5219 }
5220
5221 void virtual_segment_c::LoadCues( )
5222 {
5223     for ( size_t i=0; i<linked_segments.size(); i++ )
5224     {
5225         linked_segments[i]->LoadCues();
5226     }
5227 }
5228
5229 void virtual_segment_c::AppendUID( const EbmlBinary * p_UID )
5230 {
5231     if ( p_UID == NULL )
5232         return;
5233     if ( p_UID->GetBuffer() == NULL )
5234         return;
5235
5236     for (size_t i=0; i<linked_uids.size(); i++)
5237     {
5238         if ( *p_UID == linked_uids[i] )
5239             return;
5240     }
5241     linked_uids.push_back( *(KaxSegmentUID*)(p_UID) );
5242 }
5243
5244 void matroska_segment_c::Seek( mtime_t i_date, mtime_t i_time_offset )
5245 {
5246     KaxBlock    *block;
5247     int         i_track_skipping;
5248     int64_t     i_block_duration;
5249     int64_t     i_block_ref1;
5250     int64_t     i_block_ref2;
5251     size_t      i_track;
5252     int64_t     i_seek_position = i_start_pos;
5253     int64_t     i_seek_time = i_start_time;
5254
5255     if ( i_index > 0 )
5256     {
5257         int i_idx = 0;
5258
5259         for( ; i_idx < i_index; i_idx++ )
5260         {
5261             if( p_indexes[i_idx].i_time + i_time_offset > i_date )
5262             {
5263                 break;
5264             }
5265         }
5266
5267         if( i_idx > 0 )
5268         {
5269             i_idx--;
5270         }
5271
5272         i_seek_position = p_indexes[i_idx].i_position;
5273         i_seek_time = p_indexes[i_idx].i_time;
5274     }
5275
5276     msg_Dbg( &sys.demuxer, "seek got "I64Fd" (%d%%)",
5277                 i_seek_time, (int)( 100 * i_seek_position / stream_Size( sys.demuxer.s ) ) );
5278
5279     es.I_O().setFilePointer( i_seek_position, seek_beginning );
5280
5281     delete ep;
5282     ep = new EbmlParser( &es, segment, &sys.demuxer );
5283     cluster = NULL;
5284
5285     sys.i_start_pts = i_date;
5286
5287     es_out_Control( sys.demuxer.out, ES_OUT_RESET_PCR );
5288
5289     /* now parse until key frame */
5290     i_track_skipping = 0;
5291     for( i_track = 0; i_track < tracks.size(); i_track++ )
5292     {
5293         if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5294         {
5295             tracks[i_track]->b_search_keyframe = VLC_TRUE;
5296             i_track_skipping++;
5297         }
5298         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_date );
5299     }
5300
5301
5302     while( i_track_skipping > 0 )
5303     {
5304         if( BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
5305         {
5306             msg_Warn( &sys.demuxer, "cannot get block EOF?" );
5307
5308             return;
5309         }
5310         ep->Down();
5311
5312         for( i_track = 0; i_track < tracks.size(); i_track++ )
5313         {
5314             if( tracks[i_track]->i_number == block->TrackNum() )
5315             {
5316                 break;
5317             }
5318         }
5319
5320         sys.i_last_dts = sys.i_pts = (sys.i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
5321
5322         if( i_track < tracks.size() )
5323         {
5324            if( sys.i_pts >= sys.i_start_pts )
5325             {
5326                 cluster = static_cast<KaxCluster*>(ep->UnGet( i_block_pos, i_cluster_pos ));
5327                 i_track_skipping = 0;
5328             }
5329             else if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5330             {
5331                 if( i_block_ref1 == 0 && tracks[i_track]->b_search_keyframe )
5332                 {
5333                     tracks[i_track]->b_search_keyframe = VLC_FALSE;
5334                     i_track_skipping--;
5335                 }
5336                 if( !tracks[i_track]->b_search_keyframe )
5337                 {
5338                     BlockDecode( &sys.demuxer, block, sys.i_pts, 0 );
5339                 }
5340             }
5341         }
5342
5343         delete block;
5344     }
5345 }
5346
5347 void virtual_segment_c::Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter )
5348 {
5349     demux_sys_t *p_sys = demuxer.p_sys;
5350     size_t i;
5351
5352     // find the actual time for an ordered edition
5353     if ( psz_chapter == NULL )
5354     {
5355         if ( Edition() && Edition()->b_ordered )
5356         {
5357             /* 1st, we need to know in which chapter we are */
5358             psz_chapter = (*p_editions)[i_current_edition]->FindTimecode( i_date, psz_current_chapter );
5359         }
5360     }
5361
5362     if ( psz_chapter != NULL )
5363     {
5364         psz_current_chapter = psz_chapter;
5365         p_sys->i_chapter_time = i_time_offset = psz_chapter->i_user_start_time - psz_chapter->i_start_time;
5366         if ( psz_chapter->i_seekpoint_num > 0 )
5367         {
5368             demuxer.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
5369             demuxer.info.i_title = p_sys->i_current_title = i_sys_title;
5370             demuxer.info.i_seekpoint = psz_chapter->i_seekpoint_num - 1;
5371         }
5372     }
5373
5374     // find the best matching segment
5375     for ( i=0; i<linked_segments.size(); i++ )
5376     {
5377         if ( i_date < linked_segments[i]->i_start_time )
5378             break;
5379     }
5380
5381     if ( i > 0 )
5382         i--;
5383
5384     if ( i_current_segment != i  )
5385     {
5386         linked_segments[i_current_segment]->UnSelect();
5387         linked_segments[i]->Select( i_date );
5388         i_current_segment = i;
5389     }
5390
5391     linked_segments[i]->Seek( i_date, i_time_offset );
5392 }
5393
5394 void chapter_codec_cmds_c::AddCommand( const KaxChapterProcessCommand & command )
5395 {
5396     size_t i;
5397
5398     uint32 codec_time = uint32(-1);
5399     for( i = 0; i < command.ListSize(); i++ )
5400     {
5401         const EbmlElement *k = command[i];
5402
5403         if( MKV_IS_ID( k, KaxChapterProcessTime ) )
5404         {
5405             codec_time = uint32( *static_cast<const KaxChapterProcessTime*>( k ) );
5406             break;
5407         }
5408     }
5409
5410     for( i = 0; i < command.ListSize(); i++ )
5411     {
5412         const EbmlElement *k = command[i];
5413
5414         if( MKV_IS_ID( k, KaxChapterProcessData ) )
5415         {
5416             KaxChapterProcessData *p_data =  new KaxChapterProcessData( *static_cast<const KaxChapterProcessData*>( k ) );
5417             switch ( codec_time )
5418             {
5419             case 0:
5420                 during_cmds.push_back( p_data );
5421                 break;
5422             case 1:
5423                 enter_cmds.push_back( p_data );
5424                 break;
5425             case 2:
5426                 leave_cmds.push_back( p_data );
5427                 break;
5428             default:
5429                 delete p_data;
5430             }
5431         }
5432     }
5433 }
5434
5435 bool chapter_item_c::Enter( bool b_do_subs )
5436 {
5437     bool f_result = false;
5438     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5439     while ( index != codecs.end() )
5440     {
5441         f_result |= (*index)->Enter();
5442         index++;
5443     }
5444
5445     if ( b_do_subs )
5446     {
5447         // sub chapters
5448         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5449         while ( index_ != sub_chapters.end() )
5450         {
5451             f_result |= (*index_)->Enter( true );
5452             index_++;
5453         }
5454     }
5455     return f_result;
5456 }
5457
5458 bool chapter_item_c::Leave( bool b_do_subs )
5459 {
5460     bool f_result = false;
5461     b_is_leaving = true;
5462     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5463     while ( index != codecs.end() )
5464     {
5465         f_result |= (*index)->Leave();
5466         index++;
5467     }
5468
5469     if ( b_do_subs )
5470     {
5471         // sub chapters
5472         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5473         while ( index_ != sub_chapters.end() )
5474         {
5475             f_result |= (*index_)->Leave( true );
5476             index_++;
5477         }
5478     }
5479     b_is_leaving = false;
5480     return f_result;
5481 }
5482
5483 bool chapter_item_c::EnterAndLeave( chapter_item_c *p_item, bool b_final_enter )
5484 {
5485     chapter_item_c *p_common_parent = p_item;
5486
5487     // leave, up to a common parent
5488     while ( p_common_parent != NULL && !p_common_parent->ParentOf( *this ) )
5489     {
5490         if ( !p_common_parent->b_is_leaving && p_common_parent->Leave( false ) )
5491             return true;
5492         p_common_parent = p_common_parent->psz_parent;
5493     }
5494
5495     // enter from the parent to <this>
5496     if ( p_common_parent != NULL )
5497     {
5498         do
5499         {
5500             if ( p_common_parent == this )
5501                 return Enter( true );
5502
5503             for ( size_t i = 0; i<p_common_parent->sub_chapters.size(); i++ )
5504             {
5505                 if ( p_common_parent->sub_chapters[i]->ParentOf( *this ) )
5506                 {
5507                     p_common_parent = p_common_parent->sub_chapters[i];
5508                     if ( p_common_parent != this )
5509                         if ( p_common_parent->Enter( false ) )
5510                             return true;
5511
5512                     break;
5513                 }
5514             }
5515         } while ( 1 );
5516     }
5517
5518     if ( b_final_enter )
5519         return Enter( true );
5520     else
5521         return false;
5522 }
5523
5524 bool dvd_chapter_codec_c::Enter()
5525 {
5526     bool f_result = false;
5527     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
5528     while ( index != enter_cmds.end() )
5529     {
5530         if ( (*index)->GetSize() )
5531         {
5532             binary *p_data = (*index)->GetBuffer();
5533             size_t i_size = *p_data++;
5534             // avoid reading too much from the buffer
5535             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
5536             for ( ; i_size > 0; i_size--, p_data += 8 )
5537             {
5538                 msg_Dbg( &sys.demuxer, "Matroska DVD enter command" );
5539                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5540             }
5541         }
5542         index++;
5543     }
5544     return f_result;
5545 }
5546
5547 bool dvd_chapter_codec_c::Leave()
5548 {
5549     bool f_result = false;
5550     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
5551     while ( index != leave_cmds.end() )
5552     {
5553         if ( (*index)->GetSize() )
5554         {
5555             binary *p_data = (*index)->GetBuffer();
5556             size_t i_size = *p_data++;
5557             // avoid reading too much from the buffer
5558             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
5559             for ( ; i_size > 0; i_size--, p_data += 8 )
5560             {
5561                 msg_Dbg( &sys.demuxer, "Matroska DVD leave command" );
5562                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5563             }
5564         }
5565         index++;
5566     }
5567     return f_result;
5568 }
5569
5570 // see http://www.dvd-replica.com/DVD/vmcmdset.php for a description of DVD commands
5571 bool dvd_command_interpretor_c::Interpret( const binary * p_command, size_t i_size )
5572 {
5573     if ( i_size != 8 )
5574         return false;
5575
5576     virtual_segment_c *p_segment;
5577     chapter_item_c *p_chapter;
5578     bool f_result = false;
5579     uint16 i_command = ( p_command[0] << 8 ) + p_command[1];
5580
5581     // handle register tests if there are some
5582     if ( (i_command & 0xF0) != 0 )
5583     {
5584         bool b_test_positive = true;//(i_command & CMD_DVD_IF_NOT) == 0;
5585         bool b_test_value    = (i_command & CMD_DVD_TEST_VALUE) != 0;
5586         uint8 i_test = i_command & 0x70;
5587         uint16 i_value;
5588
5589         // see http://dvd.sourceforge.net/dvdinfo/vmi.html
5590         uint8  i_cr1;
5591         uint16 i_cr2;
5592         switch ( i_command >> 12 )
5593         {
5594         default:
5595             i_cr1 = p_command[3];
5596             i_cr2 = (p_command[4] << 8) + p_command[5];
5597             break;
5598         case 3:
5599         case 4:
5600         case 5:
5601             i_cr1 = p_command[6];
5602             i_cr2 = p_command[7];
5603             b_test_value = false;
5604             break;
5605         case 6:
5606         case 7:
5607             if ( ((p_command[1] >> 4) & 0x7) == 0)
5608             {
5609                 i_cr1 = p_command[2];
5610                 i_cr2 = (p_command[6] << 8) + p_command[7];
5611             }
5612             else
5613             {
5614                 i_cr1 = p_command[2];
5615                 i_cr2 = (p_command[6] << 8) + p_command[7];
5616             }
5617             break;
5618         }
5619
5620         if ( b_test_value )
5621             i_value = i_cr2;
5622         else
5623             i_value = GetPRM( i_cr2 );
5624
5625         switch ( i_test )
5626         {
5627         case CMD_DVD_IF_GPREG_EQUAL:
5628             // if equals
5629             msg_Dbg( &sys.demuxer, "IF %s EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5630             if (!( GetPRM( i_cr1 ) == i_value ))
5631             {
5632                 b_test_positive = false;
5633             }
5634             break;
5635         case CMD_DVD_IF_GPREG_NOT_EQUAL:
5636             // if not equals
5637             msg_Dbg( &sys.demuxer, "IF %s NOT EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5638             if (!( GetPRM( i_cr1 ) != i_value ))
5639             {
5640                 b_test_positive = false;
5641             }
5642             break;
5643         case CMD_DVD_IF_GPREG_INF:
5644             // if inferior
5645             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5646             if (!( GetPRM( i_cr1 ) < i_value ))
5647             {
5648                 b_test_positive = false;
5649             }
5650             break;
5651         case CMD_DVD_IF_GPREG_INF_EQUAL:
5652             // if inferior or equal
5653             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5654             if (!( GetPRM( i_cr1 ) <= i_value ))
5655             {
5656                 b_test_positive = false;
5657             }
5658             break;
5659         case CMD_DVD_IF_GPREG_AND:
5660             // if logical and
5661             msg_Dbg( &sys.demuxer, "IF %s & %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5662             if (!( GetPRM( i_cr1 ) & i_value ))
5663             {
5664                 b_test_positive = false;
5665             }
5666             break;
5667         case CMD_DVD_IF_GPREG_SUP:
5668             // if superior
5669             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5670             if (!( GetPRM( i_cr1 ) > i_value ))
5671             {
5672                 b_test_positive = false;
5673             }
5674             break;
5675         case CMD_DVD_IF_GPREG_SUP_EQUAL:
5676             // if superior or equal
5677             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5678             if (!( GetPRM( i_cr1 ) >= i_value ))
5679             {
5680                 b_test_positive = false;
5681             }
5682             break;
5683         }
5684
5685         if ( !b_test_positive )
5686             return false;
5687     }
5688
5689     // strip the test command
5690     i_command &= 0xFF0F;
5691
5692     switch ( i_command )
5693     {
5694     case CMD_DVD_NOP:
5695     case CMD_DVD_NOP2:
5696         {
5697             msg_Dbg( &sys.demuxer, "NOP" );
5698             break;
5699         }
5700     case CMD_DVD_BREAK:
5701         {
5702             msg_Dbg( &sys.demuxer, "Break" );
5703             // TODO
5704             break;
5705         }
5706     case CMD_DVD_JUMP_TT:
5707         {
5708             uint8 i_title = p_command[5];
5709             msg_Dbg( &sys.demuxer, "JumpTT %d", i_title );
5710
5711             // find in the ChapProcessPrivate matching this Title level
5712             p_chapter = sys.BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title), p_segment );
5713             if ( p_segment != NULL )
5714             {
5715                 sys.JumpTo( *p_segment, p_chapter );
5716                 f_result = true;
5717             }
5718
5719             break;
5720         }
5721     case CMD_DVD_CALLSS_VTSM1:
5722         {
5723             msg_Dbg( &sys.demuxer, "CallSS" );
5724             binary p_type;
5725             switch( (p_command[6] & 0xC0) >> 6 ) {
5726                 case 0:
5727                     p_type = p_command[5] & 0x0F;
5728                     switch ( p_type )
5729                     {
5730                     case 0x00:
5731                         msg_Dbg( &sys.demuxer, "CallSS PGC (rsm_cell %x)", p_command[4]);
5732                         break;
5733                     case 0x02:
5734                         msg_Dbg( &sys.demuxer, "CallSS Title Entry (rsm_cell %x)", p_command[4]);
5735                         break;
5736                     case 0x03:
5737                         msg_Dbg( &sys.demuxer, "CallSS Root Menu (rsm_cell %x)", p_command[4]);
5738                         break;
5739                     case 0x04:
5740                         msg_Dbg( &sys.demuxer, "CallSS Subpicture Menu (rsm_cell %x)", p_command[4]);
5741                         break;
5742                     case 0x05:
5743                         msg_Dbg( &sys.demuxer, "CallSS Audio Menu (rsm_cell %x)", p_command[4]);
5744                         break;
5745                     case 0x06:
5746                         msg_Dbg( &sys.demuxer, "CallSS Angle Menu (rsm_cell %x)", p_command[4]);
5747                         break;
5748                     case 0x07:
5749                         msg_Dbg( &sys.demuxer, "CallSS Chapter Menu (rsm_cell %x)", p_command[4]);
5750                         break;
5751                     default:
5752                         msg_Dbg( &sys.demuxer, "CallSS <unknown> (rsm_cell %x)", p_command[4]);
5753                         break;
5754                     }
5755                     p_chapter = sys.BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1, p_segment );
5756                     if ( p_segment != NULL )
5757                     {
5758                         sys.JumpTo( *p_segment, p_chapter );
5759                         f_result = true;
5760                     }
5761                 break;
5762                 case 1:
5763                     msg_Dbg( &sys.demuxer, "CallSS VMGM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
5764                 break;
5765                 case 2:
5766                     msg_Dbg( &sys.demuxer, "CallSS VTSM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
5767                 break;
5768                 case 3:
5769                     msg_Dbg( &sys.demuxer, "CallSS VMGM (pgc %d, rsm_cell %x)", (p_command[2] << 8) + p_command[3], p_command[4]);
5770                 break;
5771             }
5772             break;
5773         }
5774     case CMD_DVD_JUMP_SS:
5775         {
5776             msg_Dbg( &sys.demuxer, "JumpSS");
5777             binary p_type;
5778             switch( (p_command[5] & 0xC0) >> 6 ) {
5779                 case 0:
5780                     msg_Dbg( &sys.demuxer, "JumpSS FP");
5781                 break;
5782                 case 1:
5783                     p_type = p_command[5] & 0x0F;
5784                     switch ( p_type )
5785                     {
5786                     case 0x02:
5787                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Title Entry");
5788                         break;
5789                     case 0x03:
5790                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Root Menu");
5791                         break;
5792                     case 0x04:
5793                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Subpicture Menu");
5794                         break;
5795                     case 0x05:
5796                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Audio Menu");
5797                         break;
5798                     case 0x06:
5799                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Angle Menu");
5800                         break;
5801                     case 0x07:
5802                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Chapter Menu");
5803                         break;
5804                     default:
5805                         msg_Dbg( &sys.demuxer, "JumpSS <unknown>");
5806                         break;
5807                     }
5808                     // find the VMG
5809                     p_chapter = sys.BrowseCodecPrivate( 1, MatchIsVMG, NULL, 0, p_segment );
5810                     if ( p_segment != NULL )
5811                     {
5812                         p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
5813                         if ( p_chapter != NULL )
5814                         {
5815                             sys.JumpTo( *p_segment, p_chapter );
5816                             f_result = true;
5817                         }
5818                     }
5819                 break;
5820                 case 2:
5821                     p_type = p_command[5] & 0x0F;
5822                     switch ( p_type )
5823                     {
5824                     case 0x02:
5825                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Title Entry", p_command[4], p_command[3]);
5826                         break;
5827                     case 0x03:
5828                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Root Menu", p_command[4], p_command[3]);
5829                         break;
5830                     case 0x04:
5831                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Subpicture Menu", p_command[4], p_command[3]);
5832                         break;
5833                     case 0x05:
5834                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Audio Menu", p_command[4], p_command[3]);
5835                         break;
5836                     case 0x06:
5837                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Angle Menu", p_command[4], p_command[3]);
5838                         break;
5839                     case 0x07:
5840                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Chapter Menu", p_command[4], p_command[3]);
5841                         break;
5842                     default:
5843                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) <unknown>", p_command[4], p_command[3]);
5844                         break;
5845                     }
5846
5847                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSMNumber, &p_command[4], 1, p_segment );
5848
5849                     if ( p_segment != NULL && p_chapter != NULL )
5850                     {
5851                         // find the title in the VTS
5852                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &p_command[3], 1 );
5853                         if ( p_chapter != NULL )
5854                         {
5855                             // find the specified menu in the VTSM
5856                             p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
5857                             if ( p_chapter != NULL )
5858                             {
5859                                 sys.JumpTo( *p_segment, p_chapter );
5860                                 f_result = true;
5861                             }
5862                         }
5863                         else
5864                             msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", p_command[3] );
5865                     }
5866                     else
5867                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", p_command[4] );
5868                 break;
5869                 case 3:
5870                     msg_Dbg( &sys.demuxer, "JumpSS VMGM (pgc %d)", (p_command[2] << 8) + p_command[3]);
5871                 break;
5872             }
5873             break;
5874         }
5875     case CMD_DVD_JUMPVTS_PTT:
5876         {
5877             uint8 i_title = p_command[5];
5878             uint8 i_ptt = p_command[3];
5879
5880             msg_Dbg( &sys.demuxer, "JumpVTS Title (%d) PTT (%d)", i_title, i_ptt);
5881
5882             // find the current VTS content segment
5883             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchIsDomain, NULL, 0 );
5884             if ( p_chapter != NULL )
5885             {
5886                 int16 i_curr_title = p_chapter->GetTitleNumber( );
5887                 if ( i_curr_title > 0 )
5888                 {
5889                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSNumber, &i_curr_title, sizeof(i_curr_title), p_segment );
5890
5891                     if ( p_segment != NULL && p_chapter != NULL )
5892                     {
5893                         // find the title in the VTS
5894                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title) );
5895                         if ( p_chapter != NULL )
5896                         {
5897                             // find the chapter in the title
5898                             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchChapterNumber, &i_ptt, sizeof(i_ptt) );
5899                             if ( p_chapter != NULL )
5900                             {
5901                                 sys.JumpTo( *p_segment, p_chapter );
5902                                 f_result = true;
5903                             }
5904                         }
5905                     else
5906                         msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", i_title );
5907                     }
5908                     else
5909                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", i_curr_title );
5910                 }
5911                 else
5912                     msg_Dbg( &sys.demuxer, "JumpVTS_PTT command found but not in a VTS(M)");
5913             }
5914             else
5915                 msg_Dbg( &sys.demuxer, "JumpVTS_PTT command but the DVD domain wasn't found");
5916             break;
5917         }
5918     case CMD_DVD_SET_GPRMMD:
5919         {
5920             msg_Dbg( &sys.demuxer, "Set GPRMMD [%d]=%d", (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3]);
5921
5922             if ( !SetGPRM( (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3] ) )
5923                 msg_Dbg( &sys.demuxer, "Set GPRMMD failed" );
5924             break;
5925         }
5926     case CMD_DVD_LINKPGCN:
5927         {
5928             uint16 i_pgcn = (p_command[6] << 8) + p_command[7];
5929
5930             msg_Dbg( &sys.demuxer, "Link PGCN(%d)", i_pgcn );
5931             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchPgcNumber, &i_pgcn, 2 );
5932             if ( p_chapter != NULL )
5933             {
5934                 if ( !p_chapter->Enter( true ) )
5935                     // jump to the location in the found segment
5936                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5937
5938                 f_result = true;
5939             }
5940             break;
5941         }
5942     case CMD_DVD_LINKCN:
5943         {
5944             uint8 i_cn = p_command[7];
5945
5946             p_chapter = sys.p_current_segment->CurrentChapter();
5947
5948             msg_Dbg( &sys.demuxer, "LinkCN (cell %d)", i_cn );
5949             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchCellNumber, &i_cn, 1 );
5950             if ( p_chapter != NULL )
5951             {
5952                 if ( !p_chapter->Enter( true ) )
5953                     // jump to the location in the found segment
5954                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5955
5956                 f_result = true;
5957             }
5958             break;
5959         }
5960     case CMD_DVD_GOTO_LINE:
5961         {
5962             msg_Dbg( &sys.demuxer, "GotoLine (%d)", (p_command[6] << 8) + p_command[7] );
5963             // TODO
5964             break;
5965         }
5966     case CMD_DVD_SET_HL_BTNN1:
5967         {
5968             msg_Dbg( &sys.demuxer, "SetHL_BTN (%d)", p_command[4] );
5969             SetSPRM( 0x88, p_command[4] );
5970             break;
5971         }
5972     default:
5973         {
5974             msg_Dbg( &sys.demuxer, "unsupported command : %02X %02X %02X %02X %02X %02X %02X %02X"
5975                      ,p_command[0]
5976                      ,p_command[1]
5977                      ,p_command[2]
5978                      ,p_command[3]
5979                      ,p_command[4]
5980                      ,p_command[5]
5981                      ,p_command[6]
5982                      ,p_command[7]);
5983             break;
5984         }
5985     }
5986
5987     return f_result;
5988 }
5989
5990 bool dvd_command_interpretor_c::MatchIsDomain( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5991 {
5992     return ( data.p_private_data != NULL && data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS );
5993 }
5994
5995 bool dvd_command_interpretor_c::MatchIsVMG( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5996 {
5997     if ( data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
5998         return false;
5999
6000     return ( data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS && data.p_private_data->GetBuffer()[1] == 0xC0);
6001 }
6002
6003 bool dvd_command_interpretor_c::MatchVTSNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6004 {
6005     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6006         return false;
6007
6008     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x80 )
6009         return false;
6010
6011     uint16 i_gtitle = (data.p_private_data->GetBuffer()[2] << 8 ) + data.p_private_data->GetBuffer()[3];
6012     uint16 i_title = *(uint16*)p_cookie;
6013
6014     return (i_gtitle == i_title);
6015 }
6016
6017 bool dvd_command_interpretor_c::MatchVTSMNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6018 {
6019     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6020         return false;
6021
6022     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x40 )
6023         return false;
6024
6025     uint8 i_gtitle = data.p_private_data->GetBuffer()[3];
6026     uint8 i_title = *(uint8*)p_cookie;
6027
6028     return (i_gtitle == i_title);
6029 }
6030
6031 bool dvd_command_interpretor_c::MatchTitleNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6032 {
6033     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6034         return false;
6035
6036     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_TT )
6037         return false;
6038
6039     uint16 i_gtitle = (data.p_private_data->GetBuffer()[1] << 8 ) + data.p_private_data->GetBuffer()[2];
6040     uint8 i_title = *(uint8*)p_cookie;
6041
6042     return (i_gtitle == i_title);
6043 }
6044
6045 bool dvd_command_interpretor_c::MatchPgcType( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6046 {
6047     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6048         return false;
6049
6050     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6051         return false;
6052
6053     uint8 i_pgc_type = data.p_private_data->GetBuffer()[3] & 0x0F;
6054     uint8 i_pgc = *(uint8*)p_cookie;
6055
6056     return (i_pgc_type == i_pgc);
6057 }
6058
6059 bool dvd_command_interpretor_c::MatchPgcNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6060 {
6061     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6062         return false;
6063
6064     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6065         return false;
6066
6067     uint16 *i_pgc_n = (uint16 *)p_cookie;
6068     uint16 i_pgc_num = (data.p_private_data->GetBuffer()[1] << 8) + data.p_private_data->GetBuffer()[2];
6069
6070     return (i_pgc_num == *i_pgc_n);
6071 }
6072
6073 bool dvd_command_interpretor_c::MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6074 {
6075     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
6076         return false;
6077
6078     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PTT )
6079         return false;
6080
6081     uint8 i_chapter = data.p_private_data->GetBuffer()[1];
6082     uint8 i_ptt = *(uint8*)p_cookie;
6083
6084     return (i_chapter == i_ptt);
6085 }
6086
6087 bool dvd_command_interpretor_c::MatchCellNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6088 {
6089     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 5 )
6090         return false;
6091
6092     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_CN )
6093         return false;
6094
6095     uint8 *i_cell_n = (uint8 *)p_cookie;
6096     uint8 i_cell_num = data.p_private_data->GetBuffer()[3];
6097
6098     return (i_cell_num == *i_cell_n);
6099 }
6100
6101 bool matroska_script_codec_c::Enter()
6102 {
6103     bool f_result = false;
6104     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
6105     while ( index != enter_cmds.end() )
6106     {
6107         if ( (*index)->GetSize() )
6108         {
6109             msg_Dbg( &sys.demuxer, "Matroska Script enter command" );
6110             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6111         }
6112         index++;
6113     }
6114     return f_result;
6115 }
6116
6117 bool matroska_script_codec_c::Leave()
6118 {
6119     bool f_result = false;
6120     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
6121     while ( index != leave_cmds.end() )
6122     {
6123         if ( (*index)->GetSize() )
6124         {
6125             msg_Dbg( &sys.demuxer, "Matroska Script leave command" );
6126             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6127         }
6128         index++;
6129     }
6130     return f_result;
6131 }
6132
6133 // see http://www.matroska.org/technical/specs/chapters/index.html#mscript
6134 //  for a description of existing commands
6135 bool matroska_script_interpretor_c::Interpret( const binary * p_command, size_t i_size )
6136 {
6137     bool b_result = false;
6138
6139     char *psz_str = (char*) malloc( i_size + 1 );
6140     memcpy( psz_str, p_command, i_size );
6141     psz_str[ i_size ] = '\0';
6142
6143     std::string sz_command = psz_str;
6144     free( psz_str );
6145
6146     msg_Dbg( &sys.demuxer, "command : %s", sz_command.c_str() );
6147
6148 #if defined(__GNUC__) && (__GNUC__ < 3)
6149     if ( sz_command.compare( CMD_MS_GOTO_AND_PLAY, 0, CMD_MS_GOTO_AND_PLAY.size() ) == 0 )
6150 #else
6151     if ( sz_command.compare( 0, CMD_MS_GOTO_AND_PLAY.size(), CMD_MS_GOTO_AND_PLAY ) == 0 )
6152 #endif
6153     {
6154         size_t i,j;
6155
6156         // find the (
6157         for ( i=CMD_MS_GOTO_AND_PLAY.size(); i<sz_command.size(); i++)
6158         {
6159             if ( sz_command[i] == '(' )
6160             {
6161                 i++;
6162                 break;
6163             }
6164         }
6165         // find the )
6166         for ( j=i; j<sz_command.size(); j++)
6167         {
6168             if ( sz_command[j] == ')' )
6169             {
6170                 i--;
6171                 break;
6172             }
6173         }
6174
6175         std::string st = sz_command.substr( i+1, j-i-1 );
6176         int64_t i_chapter_uid = atoi( st.c_str() );
6177
6178         virtual_segment_c *p_segment;
6179         chapter_item_c *p_chapter = sys.FindChapter( i_chapter_uid, p_segment );
6180
6181         if ( p_chapter == NULL )
6182             msg_Dbg( &sys.demuxer, "Chapter "I64Fd" not found", i_chapter_uid);
6183         else
6184         {
6185             if ( !p_chapter->EnterAndLeave( sys.p_current_segment->CurrentChapter() ) )
6186                 p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6187             b_result = true;
6188         }
6189     }
6190
6191     return b_result;
6192 }
6193
6194 void demux_sys_t::SwapButtons()
6195 {
6196 #ifndef WORDS_BIGENDIAN
6197     uint8_t button, i, j;
6198
6199     for( button = 1; button <= pci_packet.hli.hl_gi.btn_ns; button++) {
6200         btni_t *button_ptr = &(pci_packet.hli.btnit[button-1]);
6201         binary *p_data = (binary*) button_ptr;
6202
6203         uint16 i_x_start = ((p_data[0] & 0x3F) << 4 ) + ( p_data[1] >> 4 );
6204         uint16 i_x_end   = ((p_data[1] & 0x03) << 8 ) + p_data[2];
6205         uint16 i_y_start = ((p_data[3] & 0x3F) << 4 ) + ( p_data[4] >> 4 );
6206         uint16 i_y_end   = ((p_data[4] & 0x03) << 8 ) + p_data[5];
6207         button_ptr->x_start = i_x_start;
6208         button_ptr->x_end   = i_x_end;
6209         button_ptr->y_start = i_y_start;
6210         button_ptr->y_end   = i_y_end;
6211
6212     }
6213     for ( i = 0; i<3; i++ )
6214     {
6215         for ( j = 0; j<2; j++ )
6216         {
6217             pci_packet.hli.btn_colit.btn_coli[i][j] = U32_AT( &pci_packet.hli.btn_colit.btn_coli[i][j] );
6218         }
6219     }
6220 #endif
6221 }