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

   1 /*****************************************************************************
   2  * mkv.cpp : matroska demuxer
   3  *****************************************************************************
   4  * Copyright (C) 2003-2004 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   8  *          Steve Lhomme <steve.lhomme@free.fr>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  23  *****************************************************************************/
  24
  25 /*****************************************************************************
  26  * Preamble
  27  *****************************************************************************/
  28 #include <stdlib.h>                                      /* malloc(), free() */
  29
  30 #include <vlc/vlc.h>
  31
  32 #ifdef HAVE_TIME_H
  33 #   include <time.h>                                               /* time() */
  34 #endif
  35
  36 #include <vlc/input.h>
  37
  38 #include <codecs.h>                        /* BITMAPINFOHEADER, WAVEFORMATEX */
  39 #include "iso_lang.h"
  40 #include "vlc_meta.h"
  41
  42 #include <iostream>
  43 #include <cassert>
  44 #include <typeinfo>
  45 #include <string>
  46 #include <vector>
  47 #include <algorithm>
  48
  49 #ifdef HAVE_DIRENT_H
  50 #   include <dirent.h>
  51 #endif
  52
  53 /* libebml and matroska */
  54 #include "ebml/EbmlHead.h"
  55 #include "ebml/EbmlSubHead.h"
  56 #include "ebml/EbmlStream.h"
  57 #include "ebml/EbmlContexts.h"
  58 #include "ebml/EbmlVoid.h"
  59 #include "ebml/EbmlVersion.h"
  60 #include "ebml/StdIOCallback.h"
  61
  62 #include "matroska/KaxAttachments.h"
  63 #include "matroska/KaxBlock.h"
  64 #include "matroska/KaxBlockData.h"
  65 #include "matroska/KaxChapters.h"
  66 #include "matroska/KaxCluster.h"
  67 #include "matroska/KaxClusterData.h"
  68 #include "matroska/KaxContexts.h"
  69 #include "matroska/KaxCues.h"
  70 #include "matroska/KaxCuesData.h"
  71 #include "matroska/KaxInfo.h"
  72 #include "matroska/KaxInfoData.h"
  73 #include "matroska/KaxSeekHead.h"
  74 #include "matroska/KaxSegment.h"
  75 #include "matroska/KaxTag.h"
  76 #include "matroska/KaxTags.h"
  77 #include "matroska/KaxTagMulti.h"
  78 #include "matroska/KaxTracks.h"
  79 #include "matroska/KaxTrackAudio.h"
  80 #include "matroska/KaxTrackVideo.h"
  81 #include "matroska/KaxTrackEntryData.h"
  82 #include "matroska/KaxContentEncoding.h"
  83 #include "matroska/KaxVersion.h"
  84
  85 #include "ebml/StdIOCallback.h"
  86
  87 #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     vlc_bool_t     b_owner;
 496
 497   public:
 498     vlc_stream_io_callback( stream_t *, vlc_bool_t );
 499
 500     virtual ~vlc_stream_io_callback()
 501     {
 502         if( b_owner )
 503             stream_Delete( s );
 504     }
 505
 506     virtual uint32   read            ( void *p_buffer, size_t i_size);
 507     virtual void     setFilePointer  ( int64_t i_offset, seek_mode mode = seek_beginning );
 508     virtual size_t   write           ( const void *p_buffer, size_t i_size);
 509     virtual uint64   getFilePointer  ( void );
 510     virtual void     close           ( void );
 511 };
 512
 513 /*****************************************************************************
 514  * Ebml Stream parser
 515  *****************************************************************************/
 516 class EbmlParser
 517 {
 518   public:
 519     EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux );
 520     virtual ~EbmlParser( void );
 521
 522     void Up( void );
 523     void Down( void );
 524     void Reset( demux_t *p_demux );
 525     EbmlElement *Get( void );
 526     void        Keep( void );
 527     EbmlElement *UnGet( uint64 i_block_pos, uint64 i_cluster_pos );
 528
 529     int GetLevel( void );
 530
 531   private:
 532     EbmlStream  *m_es;
 533     int         mi_level;
 534     EbmlElement *m_el[10];
 535     int64_t      mi_remain_size[10];
 536
 537     EbmlElement *m_got;
 538
 539     int         mi_user_level;
 540     vlc_bool_t  mb_keep;
 541     vlc_bool_t  mb_dummy;
 542 };
 543
 544
 545 /*****************************************************************************
 546  * Some functions to manipulate memory
 547  *****************************************************************************/
 548 #define GetFOURCC( p )  __GetFOURCC( (uint8_t*)p )
 549 static vlc_fourcc_t __GetFOURCC( uint8_t *p )
 550 {
 551     return VLC_FOURCC( p[0], p[1], p[2], p[3] );
 552 }
 553
 554 /*****************************************************************************
 555  * definitions of structures and functions used by this plugins
 556  *****************************************************************************/
 557 typedef struct
 558 {
 559     vlc_bool_t   b_default;
 560     vlc_bool_t   b_enabled;
 561     unsigned int i_number;
 562
 563     int          i_extra_data;
 564     uint8_t      *p_extra_data;
 565
 566     char         *psz_codec;
 567
 568     uint64_t     i_default_duration;
 569     float        f_timecodescale;
 570
 571     /* video */
 572     es_format_t fmt;
 573     float       f_fps;
 574     es_out_id_t *p_es;
 575
 576     vlc_bool_t      b_inited;
 577     /* data to be send first */
 578     int             i_data_init;
 579     uint8_t         *p_data_init;
 580
 581     /* hack : it's for seek */
 582     vlc_bool_t      b_search_keyframe;
 583     vlc_bool_t      b_silent;
 584
 585     /* informative */
 586     char         *psz_codec_name;
 587     char         *psz_codec_settings;
 588     char         *psz_codec_info_url;
 589     char         *psz_codec_download_url;
 590
 591     /* encryption/compression */
 592     int           i_compression_type;
 593
 594 } mkv_track_t;
 595
 596 typedef struct
 597 {
 598     int     i_track;
 599     int     i_block_number;
 600
 601     int64_t i_position;
 602     int64_t i_time;
 603
 604     vlc_bool_t b_key;
 605 } mkv_index_t;
 606
 607 class demux_sys_t;
 608
 609 const binary MATROSKA_DVD_LEVEL_SS   = 0x30;
 610 const binary MATROSKA_DVD_LEVEL_LU   = 0x2A;
 611 const binary MATROSKA_DVD_LEVEL_TT   = 0x28;
 612 const binary MATROSKA_DVD_LEVEL_PGC  = 0x20;
 613 const binary MATROSKA_DVD_LEVEL_PG   = 0x18;
 614 const binary MATROSKA_DVD_LEVEL_PTT  = 0x10;
 615 const binary MATROSKA_DVD_LEVEL_CN   = 0x08;
 616
 617 class chapter_codec_cmds_c
 618 {
 619 public:
 620     chapter_codec_cmds_c( demux_sys_t & demuxer, int codec_id = -1)
 621     :p_private_data(NULL)
 622     ,i_codec_id( codec_id )
 623     ,sys( demuxer )
 624     {}
 625
 626     virtual ~chapter_codec_cmds_c()
 627     {
 628         delete p_private_data;
 629         std::vector<KaxChapterProcessData*>::iterator indexe = enter_cmds.begin();
 630         while ( indexe != enter_cmds.end() )
 631         {
 632             delete (*indexe);
 633             indexe++;
 634         }
 635         std::vector<KaxChapterProcessData*>::iterator indexl = leave_cmds.begin();
 636         while ( indexl != leave_cmds.end() )
 637         {
 638             delete (*indexl);
 639             indexl++;
 640         }
 641         std::vector<KaxChapterProcessData*>::iterator indexd = during_cmds.begin();
 642         while ( indexd != during_cmds.end() )
 643         {
 644             delete (*indexd);
 645             indexd++;
 646         }
 647     }
 648
 649     void SetPrivate( const KaxChapterProcessPrivate & private_data )
 650     {
 651         p_private_data = new KaxChapterProcessPrivate( private_data );
 652     }
 653
 654     void AddCommand( const KaxChapterProcessCommand & command );
 655
 656     /// \return wether the codec has seeked in the files or not
 657     virtual bool Enter() { return false; }
 658     virtual bool Leave() { return false; }
 659     virtual std::string GetCodecName( bool f_for_title = false ) const { return ""; }
 660     virtual int16 GetTitleNumber() { return -1; }
 661
 662     KaxChapterProcessPrivate *p_private_data;
 663
 664 protected:
 665     std::vector<KaxChapterProcessData*> enter_cmds;
 666     std::vector<KaxChapterProcessData*> during_cmds;
 667     std::vector<KaxChapterProcessData*> leave_cmds;
 668
 669     int i_codec_id;
 670     demux_sys_t & sys;
 671 };
 672
 673 class dvd_command_interpretor_c
 674 {
 675 public:
 676     dvd_command_interpretor_c( demux_sys_t & demuxer )
 677     :sys( demuxer )
 678     {
 679         memset( p_PRMs, 0, sizeof(p_PRMs) );
 680         p_PRMs[ 0x80 + 1 ] = 15;
 681         p_PRMs[ 0x80 + 2 ] = 62;
 682         p_PRMs[ 0x80 + 3 ] = 1;
 683         p_PRMs[ 0x80 + 4 ] = 1;
 684         p_PRMs[ 0x80 + 7 ] = 1;
 685         p_PRMs[ 0x80 + 8 ] = 1;
 686         p_PRMs[ 0x80 + 16 ] = 0xFFFFu;
 687         p_PRMs[ 0x80 + 18 ] = 0xFFFFu;
 688     }
 689
 690     bool Interpret( const binary * p_command, size_t i_size = 8 );
 691
 692     uint16 GetPRM( size_t index ) const
 693     {
 694         if ( index < 256 )
 695             return p_PRMs[ index ];
 696         else return 0;
 697     }
 698
 699     uint16 GetGPRM( size_t index ) const
 700     {
 701         if ( index >= 0 && index < 16 )
 702             return p_PRMs[ index ];
 703         else return 0;
 704     }
 705
 706     uint16 GetSPRM( size_t index ) const
 707     {
 708         // 21,22,23 reserved for future use
 709         if ( index >= 0x80 && index < 0x95 )
 710             return p_PRMs[ index ];
 711         else return 0;
 712     }
 713
 714     bool SetPRM( size_t index, uint16 value )
 715     {
 716         if ( index >= 0 && index < 16 )
 717         {
 718             p_PRMs[ index ] = value;
 719             return true;
 720         }
 721         return false;
 722     }
 723
 724     bool SetGPRM( size_t index, uint16 value )
 725     {
 726         if ( index >= 0 && index < 16 )
 727         {
 728             p_PRMs[ index ] = value;
 729             return true;
 730         }
 731         return false;
 732     }
 733
 734     bool SetSPRM( size_t index, uint16 value )
 735     {
 736         if ( index > 0x80 && index <= 0x8D && index != 0x8C )
 737         {
 738             p_PRMs[ index ] = value;
 739             return true;
 740         }
 741         return false;
 742     }
 743
 744 protected:
 745     std::string GetRegTypeName( bool b_value, uint16 value ) const
 746     {
 747         std::string result;
 748         char s_value[6], s_reg_value[6];
 749         sprintf( s_value, "%.5d", value );
 750
 751         if ( b_value )
 752         {
 753             result = "value (";
 754             result += s_value;
 755             result += ")";
 756         }
 757         else if ( value < 0x80 )
 758         {
 759             sprintf( s_reg_value, "%.5d", GetPRM( value ) );
 760             result = "GPreg[";
 761             result += s_value;
 762             result += "] (";
 763             result += s_reg_value;
 764             result += ")";
 765         }
 766         else
 767         {
 768             sprintf( s_reg_value, "%.5d", GetPRM( value ) );
 769             result = "SPreg[";
 770             result += s_value;
 771             result += "] (";
 772             result += s_reg_value;
 773             result += ")";
 774         }
 775         return result;
 776     }
 777
 778     uint16       p_PRMs[256];
 779     demux_sys_t  & sys;
 780
 781     // DVD command IDs
 782
 783     // Tests
 784     // wether it's a comparison on the value or register
 785     static const uint16 CMD_DVD_TEST_VALUE          = 0x80;
 786     static const uint16 CMD_DVD_IF_GPREG_AND        = (1 << 4);
 787     static const uint16 CMD_DVD_IF_GPREG_EQUAL      = (2 << 4);
 788     static const uint16 CMD_DVD_IF_GPREG_NOT_EQUAL  = (3 << 4);
 789     static const uint16 CMD_DVD_IF_GPREG_SUP_EQUAL  = (4 << 4);
 790     static const uint16 CMD_DVD_IF_GPREG_SUP        = (5 << 4);
 791     static const uint16 CMD_DVD_IF_GPREG_INF_EQUAL  = (6 << 4);
 792     static const uint16 CMD_DVD_IF_GPREG_INF        = (7 << 4);
 793
 794     static const uint16 CMD_DVD_NOP                    = 0x0000;
 795     static const uint16 CMD_DVD_GOTO_LINE              = 0x0001;
 796     static const uint16 CMD_DVD_BREAK                  = 0x0002;
 797     // Links
 798     static const uint16 CMD_DVD_NOP2                   = 0x2001;
 799     static const uint16 CMD_DVD_LINKPGCN               = 0x2004;
 800     static const uint16 CMD_DVD_LINKPGN                = 0x2006;
 801     static const uint16 CMD_DVD_LINKCN                 = 0x2007;
 802     static const uint16 CMD_DVD_JUMP_TT                = 0x3002;
 803     static const uint16 CMD_DVD_JUMPVTS_TT             = 0x3003;
 804     static const uint16 CMD_DVD_JUMPVTS_PTT            = 0x3005;
 805     static const uint16 CMD_DVD_JUMP_SS                = 0x3006;
 806     static const uint16 CMD_DVD_CALLSS_VTSM1           = 0x3008;
 807     //
 808     static const uint16 CMD_DVD_SET_HL_BTNN2           = 0x4600;
 809     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN1  = 0x4604;
 810     static const uint16 CMD_DVD_SET_STREAM             = 0x5100;
 811     static const uint16 CMD_DVD_SET_GPRMMD             = 0x5300;
 812     static const uint16 CMD_DVD_SET_HL_BTNN1           = 0x5600;
 813     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN2  = 0x5604;
 814     static const uint16 CMD_DVD_SET_HL_BTNN_LINKCN     = 0x5607;
 815     // Operations
 816     static const uint16 CMD_DVD_MOV_SPREG_PREG         = 0x6100;
 817     static const uint16 CMD_DVD_GPREG_MOV_VALUE        = 0x7100;
 818     static const uint16 CMD_DVD_SUB_GPREG              = 0x7400;
 819     static const uint16 CMD_DVD_MULT_GPREG             = 0x7500;
 820     static const uint16 CMD_DVD_GPREG_DIV_VALUE        = 0x7600;
 821     static const uint16 CMD_DVD_GPREG_AND_VALUE        = 0x7900;
 822
 823     // callbacks when browsing inside CodecPrivate
 824     static bool MatchIsDomain     ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 825     static bool MatchIsVMG        ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 826     static bool MatchVTSNumber    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 827     static bool MatchVTSMNumber   ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 828     static bool MatchTitleNumber  ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 829     static bool MatchPgcType      ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 830     static bool MatchPgcNumber    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 831     static bool MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 832     static bool MatchCellNumber   ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 833 };
 834
 835 class dvd_chapter_codec_c : public chapter_codec_cmds_c
 836 {
 837 public:
 838     dvd_chapter_codec_c( demux_sys_t & sys )
 839     :chapter_codec_cmds_c( sys, 1 )
 840     {}
 841
 842     bool Enter();
 843     bool Leave();
 844     std::string GetCodecName( bool f_for_title = false ) const;
 845     int16 GetTitleNumber();
 846 };
 847
 848 class matroska_script_interpretor_c
 849 {
 850 public:
 851     matroska_script_interpretor_c( demux_sys_t & demuxer )
 852     :sys( demuxer )
 853     {}
 854
 855     bool Interpret( const binary * p_command, size_t i_size );
 856
 857     // DVD command IDs
 858     static const std::string CMD_MS_GOTO_AND_PLAY;
 859
 860 protected:
 861     demux_sys_t  & sys;
 862 };
 863
 864 const std::string matroska_script_interpretor_c::CMD_MS_GOTO_AND_PLAY = "GotoAndPlay";
 865
 866
 867 class matroska_script_codec_c : public chapter_codec_cmds_c
 868 {
 869 public:
 870     matroska_script_codec_c( demux_sys_t & sys )
 871     :chapter_codec_cmds_c( sys, 0 )
 872     ,interpretor( sys )
 873     {}
 874
 875     bool Enter();
 876     bool Leave();
 877
 878 protected:
 879     matroska_script_interpretor_c interpretor;
 880 };
 881
 882 class chapter_translation_c
 883 {
 884 public:
 885     chapter_translation_c()
 886         :p_translated(NULL)
 887     {}
 888
 889     ~chapter_translation_c()
 890     {
 891         delete p_translated;
 892     }
 893
 894     KaxChapterTranslateID  *p_translated;
 895     unsigned int           codec_id;
 896     std::vector<uint64_t>  editions;
 897 };
 898
 899 class chapter_item_c
 900 {
 901 public:
 902     chapter_item_c()
 903     :i_start_time(0)
 904     ,i_end_time(-1)
 905     ,i_user_start_time(-1)
 906     ,i_user_end_time(-1)
 907     ,i_seekpoint_num(-1)
 908     ,b_display_seekpoint(true)
 909     ,b_user_display(false)
 910     ,psz_parent(NULL)
 911     ,b_is_leaving(false)
 912     {}
 913
 914     virtual ~chapter_item_c()
 915     {
 916         std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
 917         while ( index != codecs.end() )
 918         {
 919             delete (*index);
 920             index++;
 921         }
 922         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
 923         while ( index_ != sub_chapters.end() )
 924         {
 925             delete (*index_);
 926             index_++;
 927         }
 928     }
 929
 930     int64_t RefreshChapters( bool b_ordered, int64_t i_prev_user_time );
 931     int PublishChapters( input_title_t & title, int & i_user_chapters, int i_level = 0 );
 932     virtual chapter_item_c * FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current, bool & b_found );
 933     void Append( const chapter_item_c & edition );
 934     chapter_item_c * FindChapter( int64_t i_find_uid );
 935     virtual chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
 936                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
 937                                     const void *p_cookie,
 938                                     size_t i_cookie_size );
 939     std::string                 GetCodecName( bool f_for_title = false ) const;
 940     bool                        ParentOf( const chapter_item_c & item ) const;
 941     int16                       GetTitleNumber( ) const;
 942
 943     int64_t                     i_start_time, i_end_time;
 944     int64_t                     i_user_start_time, i_user_end_time; /* the time in the stream when an edition is ordered */
 945     std::vector<chapter_item_c*> sub_chapters;
 946     int                         i_seekpoint_num;
 947     int64_t                     i_uid;
 948     bool                        b_display_seekpoint;
 949     bool                        b_user_display;
 950     std::string                 psz_name;
 951     chapter_item_c              *psz_parent;
 952     bool                        b_is_leaving;
 953
 954     std::vector<chapter_codec_cmds_c*> codecs;
 955
 956     static bool CompareTimecode( const chapter_item_c * itemA, const chapter_item_c * itemB )
 957     {
 958         return ( itemA->i_user_start_time < itemB->i_user_start_time || (itemA->i_user_start_time == itemB->i_user_start_time && itemA->i_user_end_time < itemB->i_user_end_time) );
 959     }
 960
 961     bool Enter( bool b_do_subchapters );
 962     bool Leave( bool b_do_subchapters );
 963     bool EnterAndLeave( chapter_item_c *p_item, bool b_enter = true );
 964 };
 965
 966 class chapter_edition_c : public chapter_item_c
 967 {
 968 public:
 969     chapter_edition_c()
 970     :b_ordered(false)
 971     {}
 972
 973     void RefreshChapters( );
 974     mtime_t Duration() const;
 975     std::string GetMainName() const;
 976     chapter_item_c * FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current );
 977
 978     bool                        b_ordered;
 979 };
 980
 981 class matroska_segment_c
 982 {
 983 public:
 984     matroska_segment_c( demux_sys_t & demuxer, EbmlStream & estream )
 985         :segment(NULL)
 986         ,es(estream)
 987         ,i_timescale(MKVD_TIMECODESCALE)
 988         ,i_duration(-1)
 989         ,i_start_time(0)
 990         ,i_cues_position(-1)
 991         ,i_chapters_position(-1)
 992         ,i_tags_position(-1)
 993         ,cluster(NULL)
 994         ,i_block_pos(0)
 995         ,i_cluster_pos(0)
 996         ,i_start_pos(0)
 997         ,p_segment_uid(NULL)
 998         ,p_prev_segment_uid(NULL)
 999         ,p_next_segment_uid(NULL)
1000         ,b_cues(VLC_FALSE)
1001         ,i_index(0)
1002         ,i_index_max(1024)
1003         ,psz_muxing_application(NULL)
1004         ,psz_writing_application(NULL)
1005         ,psz_segment_filename(NULL)
1006         ,psz_title(NULL)
1007         ,psz_date_utc(NULL)
1008         ,i_default_edition(0)
1009         ,sys(demuxer)
1010         ,ep(NULL)
1011         ,b_preloaded(false)
1012     {
1013         p_indexes = (mkv_index_t*)malloc( sizeof( mkv_index_t ) * i_index_max );
1014     }
1015
1016     virtual ~matroska_segment_c()
1017     {
1018         for( size_t i_track = 0; i_track < tracks.size(); i_track++ )
1019         {
1020             if( tracks[i_track]->fmt.psz_description )
1021             {
1022                 free( tracks[i_track]->fmt.psz_description );
1023             }
1024             if( tracks[i_track]->psz_codec )
1025             {
1026                 free( tracks[i_track]->psz_codec );
1027             }
1028             if( tracks[i_track]->fmt.psz_language )
1029             {
1030                 free( tracks[i_track]->fmt.psz_language );
1031             }
1032             delete tracks[i_track];
1033         }
1034
1035         if( psz_writing_application )
1036         {
1037             free( psz_writing_application );
1038         }
1039         if( psz_muxing_application )
1040         {
1041             free( psz_muxing_application );
1042         }
1043         if( psz_segment_filename )
1044         {
1045             free( psz_segment_filename );
1046         }
1047         if( psz_title )
1048         {
1049             free( psz_title );
1050         }
1051         if( psz_date_utc )
1052         {
1053             free( psz_date_utc );
1054         }
1055         if ( p_indexes )
1056             free( p_indexes );
1057
1058         delete ep;
1059         delete segment;
1060         delete p_segment_uid;
1061         delete p_prev_segment_uid;
1062         delete p_next_segment_uid;
1063
1064         std::vector<chapter_edition_c*>::iterator index = stored_editions.begin();
1065         while ( index != stored_editions.end() )
1066         {
1067             delete (*index);
1068             index++;
1069         }
1070         std::vector<chapter_translation_c*>::iterator indext = translations.begin();
1071         while ( indext != translations.end() )
1072         {
1073             delete (*indext);
1074             indext++;
1075         }
1076         std::vector<KaxSegmentFamily*>::iterator indexf = families.begin();
1077         while ( indexf != families.end() )
1078         {
1079             delete (*indexf);
1080             indexf++;
1081         }
1082     }
1083
1084     KaxSegment              *segment;
1085     EbmlStream              & es;
1086
1087     /* time scale */
1088     uint64_t                i_timescale;
1089
1090     /* duration of the segment */
1091     mtime_t                 i_duration;
1092     mtime_t                 i_start_time;
1093
1094     /* all tracks */
1095     std::vector<mkv_track_t*> tracks;
1096
1097     /* from seekhead */
1098     int64_t                 i_cues_position;
1099     int64_t                 i_chapters_position;
1100     int64_t                 i_tags_position;
1101
1102     KaxCluster              *cluster;
1103     uint64                  i_block_pos;
1104     uint64                  i_cluster_pos;
1105     int64_t                 i_start_pos;
1106     KaxSegmentUID           *p_segment_uid;
1107     KaxPrevUID              *p_prev_segment_uid;
1108     KaxNextUID              *p_next_segment_uid;
1109
1110     vlc_bool_t              b_cues;
1111     int                     i_index;
1112     int                     i_index_max;
1113     mkv_index_t             *p_indexes;
1114
1115     /* info */
1116     char                    *psz_muxing_application;
1117     char                    *psz_writing_application;
1118     char                    *psz_segment_filename;
1119     char                    *psz_title;
1120     char                    *psz_date_utc;
1121
1122     /* !!!!! GCC 3.3 bug on Darwin !!!!! */
1123     /* when you remove this variable the compiler issues an atomicity error */
1124     /* this variable only works when using std::vector<chapter_edition_c> */
1125     std::vector<chapter_edition_c*> stored_editions;
1126     int                             i_default_edition;
1127
1128     std::vector<chapter_translation_c*> translations;
1129     std::vector<KaxSegmentFamily*>  families;
1130
1131     demux_sys_t                    & sys;
1132     EbmlParser                     *ep;
1133     bool                           b_preloaded;
1134
1135     bool Preload( );
1136     bool PreloadFamily( const matroska_segment_c & segment );
1137     void ParseInfo( KaxInfo *info );
1138     void ParseChapters( KaxChapters *chapters );
1139     void ParseSeekHead( KaxSeekHead *seekhead );
1140     void ParseTracks( KaxTracks *tracks );
1141     void ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters );
1142     void ParseTrackEntry( KaxTrackEntry *m );
1143     void ParseCluster( );
1144     void IndexAppendCluster( KaxCluster *cluster );
1145     void LoadCues( );
1146     void LoadTags( );
1147     void InformationCreate( );
1148     void Seek( mtime_t i_date, mtime_t i_time_offset );
1149     int BlockGet( KaxBlock * & pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration );
1150     bool Select( mtime_t i_start_time );
1151     void UnSelect( );
1152
1153     static bool CompareSegmentUIDs( const matroska_segment_c * item_a, const matroska_segment_c * item_b );
1154 };
1155
1156 // class holding hard-linked segment together in the playback order
1157 class virtual_segment_c
1158 {
1159 public:
1160     virtual_segment_c( matroska_segment_c *p_segment )
1161         :p_editions(NULL)
1162         ,i_sys_title(0)
1163         ,i_current_segment(0)
1164         ,i_current_edition(-1)
1165         ,psz_current_chapter(NULL)
1166     {
1167         linked_segments.push_back( p_segment );
1168
1169         AppendUID( p_segment->p_segment_uid );
1170         AppendUID( p_segment->p_prev_segment_uid );
1171         AppendUID( p_segment->p_next_segment_uid );
1172     }
1173
1174     void Sort();
1175     size_t AddSegment( matroska_segment_c *p_segment );
1176     void PreloadLinked( );
1177     mtime_t Duration( ) const;
1178     void LoadCues( );
1179     void Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter );
1180
1181     inline chapter_edition_c *Edition()
1182     {
1183         if ( i_current_edition >= 0 && size_t(i_current_edition) < p_editions->size() )
1184             return (*p_editions)[i_current_edition];
1185         return NULL;
1186     }
1187
1188     matroska_segment_c * Segment() const
1189     {
1190         if ( linked_segments.size() == 0 || i_current_segment >= linked_segments.size() )
1191             return NULL;
1192         return linked_segments[i_current_segment];
1193     }
1194
1195     inline chapter_item_c *CurrentChapter() {
1196         return psz_current_chapter;
1197     }
1198
1199     bool SelectNext()
1200     {
1201         if ( i_current_segment < linked_segments.size()-1 )
1202         {
1203             i_current_segment++;
1204             return true;
1205         }
1206         return false;
1207     }
1208
1209     bool FindUID( KaxSegmentUID & uid ) const
1210     {
1211         for ( size_t i=0; i<linked_uids.size(); i++ )
1212         {
1213             if ( linked_uids[i] == uid )
1214                 return true;
1215         }
1216         return false;
1217     }
1218
1219     bool UpdateCurrentToChapter( demux_t & demux );
1220     void PrepareChapters( );
1221
1222     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
1223                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
1224                                         const void *p_cookie,
1225                                         size_t i_cookie_size );
1226     chapter_item_c *FindChapter( int64_t i_find_uid );
1227
1228     std::vector<chapter_edition_c*>  *p_editions;
1229     int                              i_sys_title;
1230
1231 protected:
1232     std::vector<matroska_segment_c*> linked_segments;
1233     std::vector<KaxSegmentUID>       linked_uids;
1234     size_t                           i_current_segment;
1235
1236     int                              i_current_edition;
1237     chapter_item_c                   *psz_current_chapter;
1238
1239     void                             AppendUID( const EbmlBinary * UID );
1240 };
1241
1242 class matroska_stream_c
1243 {
1244 public:
1245     matroska_stream_c( demux_sys_t & demuxer )
1246         :p_in(NULL)
1247         ,p_es(NULL)
1248         ,sys(demuxer)
1249     {}
1250
1251     virtual ~matroska_stream_c()
1252     {
1253         delete p_in;
1254         delete p_es;
1255     }
1256
1257     IOCallback         *p_in;
1258     EbmlStream         *p_es;
1259
1260     std::vector<matroska_segment_c*> segments;
1261
1262     demux_sys_t                      & sys;
1263 };
1264
1265 typedef struct
1266 {
1267     VLC_COMMON_MEMBERS
1268
1269     demux_t        *p_demux;
1270     vlc_mutex_t     lock;
1271
1272     vlc_bool_t      b_moved;
1273     vlc_bool_t      b_clicked;
1274     vlc_bool_t      b_key;
1275
1276 } event_thread_t;
1277
1278 class demux_sys_t
1279 {
1280 public:
1281     demux_sys_t( demux_t & demux )
1282         :demuxer(demux)
1283         ,i_pts(0)
1284         ,i_last_dts(0)
1285         ,i_start_pts(0)
1286         ,i_chapter_time(0)
1287         ,meta(NULL)
1288         ,i_current_title(0)
1289         ,p_current_segment(NULL)
1290         ,dvd_interpretor( *this )
1291         ,f_duration(-1.0)
1292         ,b_ui_hooked(false)
1293         ,p_input(NULL)
1294         ,b_pci_packet_set(false)
1295         ,p_ev(NULL)
1296     {
1297         vlc_mutex_init( &demuxer, &lock_demuxer );
1298     }
1299
1300     virtual ~demux_sys_t()
1301     {
1302         StopUiThread();
1303         size_t i;
1304         for ( i=0; i<streams.size(); i++ )
1305             delete streams[i];
1306         for ( i=0; i<opened_segments.size(); i++ )
1307             delete opened_segments[i];
1308         for ( i=0; i<used_segments.size(); i++ )
1309             delete used_segments[i];
1310         vlc_mutex_destroy( &lock_demuxer );
1311     }
1312
1313     /* current data */
1314     demux_t                 & demuxer;
1315
1316     mtime_t                 i_pts;
1317     mtime_t                 i_last_dts;
1318     mtime_t                 i_start_pts;
1319     mtime_t                 i_chapter_time;
1320
1321     vlc_meta_t              *meta;
1322
1323     std::vector<input_title_t*>      titles; // matroska editions
1324     size_t                           i_current_title;
1325
1326     std::vector<matroska_stream_c*>  streams;
1327     std::vector<matroska_segment_c*> opened_segments;
1328     std::vector<virtual_segment_c*>  used_segments;
1329     virtual_segment_c                *p_current_segment;
1330
1331     dvd_command_interpretor_c        dvd_interpretor;
1332
1333     /* duration of the stream */
1334     float                   f_duration;
1335
1336     matroska_segment_c *FindSegment( const EbmlBinary & uid ) const;
1337     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
1338                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
1339                                         const void *p_cookie,
1340                                         size_t i_cookie_size,
1341                                         virtual_segment_c * & p_segment_found );
1342     chapter_item_c *FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found );
1343
1344     void PreloadFamily( const matroska_segment_c & of_segment );
1345     void PreloadLinked( matroska_segment_c *p_segment );
1346     bool PreparePlayback( virtual_segment_c *p_new_segment );
1347     matroska_stream_c *AnalyseAllSegmentsFound( EbmlStream *p_estream, bool b_initial = false );
1348     void JumpTo( virtual_segment_c & p_segment, chapter_item_c * p_chapter );
1349
1350     void StartUiThread();
1351     void StopUiThread();
1352     bool b_ui_hooked;
1353     inline void SwapButtons();
1354
1355     /* for spu variables */
1356     input_thread_t *p_input;
1357     pci_t          pci_packet;
1358     bool           b_pci_packet_set;
1359     uint8_t        palette[4][4];
1360     vlc_mutex_t    lock_demuxer;
1361
1362     /* event */
1363     event_thread_t *p_ev;
1364     static int EventThread( vlc_object_t *p_this );
1365     static int EventMouse( vlc_object_t *p_this, char const *psz_var,
1366                        vlc_value_t oldval, vlc_value_t newval, void *p_data );
1367     static int EventKey( vlc_object_t *p_this, char const *psz_var,
1368                      vlc_value_t oldval, vlc_value_t newval, void *p_data );
1369
1370
1371
1372 protected:
1373     virtual_segment_c *VirtualFromSegments( matroska_segment_c *p_segment ) const;
1374     bool IsUsedSegment( matroska_segment_c &p_segment ) const;
1375 };
1376
1377 static int  Demux  ( demux_t * );
1378 static int  Control( demux_t *, int, va_list );
1379 static void Seek   ( demux_t *, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter );
1380
1381 #define MKV_IS_ID( el, C ) ( EbmlId( (*el) ) == C::ClassInfos.GlobalId )
1382
1383 static inline char * ToUTF8( const UTFstring &u )
1384 {
1385     return strdup( u.GetUTF8().c_str() );
1386 }
1387
1388 /*****************************************************************************
1389  * Open: initializes matroska demux structures
1390  *****************************************************************************/
1391 static int Open( vlc_object_t * p_this )
1392 {
1393     demux_t            *p_demux = (demux_t*)p_this;
1394     demux_sys_t        *p_sys;
1395     matroska_stream_c  *p_stream;
1396     matroska_segment_c *p_segment;
1397     uint8_t            *p_peek;
1398     std::string        s_path, s_filename;
1399     vlc_stream_io_callback *p_io_callback;
1400     EbmlStream         *p_io_stream;
1401
1402     /* peek the begining */
1403     if( stream_Peek( p_demux->s, &p_peek, 4 ) < 4 ) return VLC_EGENERIC;
1404
1405     /* is a valid file */
1406     if( p_peek[0] != 0x1a || p_peek[1] != 0x45 ||
1407         p_peek[2] != 0xdf || p_peek[3] != 0xa3 ) return VLC_EGENERIC;
1408
1409     /* Set the demux function */
1410     p_demux->pf_demux   = Demux;
1411     p_demux->pf_control = Control;
1412     p_demux->p_sys      = p_sys = new demux_sys_t( *p_demux );
1413
1414     p_io_callback = new vlc_stream_io_callback( p_demux->s, VLC_FALSE );
1415     p_io_stream = new EbmlStream( *p_io_callback );
1416
1417     if( p_io_stream == NULL )
1418     {
1419         msg_Err( p_demux, "failed to create EbmlStream" );
1420         delete p_io_callback;
1421         delete p_sys;
1422         return VLC_EGENERIC;
1423     }
1424
1425     p_stream = p_sys->AnalyseAllSegmentsFound( p_io_stream, true );
1426     if( p_stream == NULL )
1427     {
1428         msg_Err( p_demux, "cannot find KaxSegment" );
1429         goto error;
1430     }
1431     p_sys->streams.push_back( p_stream );
1432
1433     p_stream->p_in = p_io_callback;
1434     p_stream->p_es = p_io_stream;
1435
1436     for (size_t i=0; i<p_stream->segments.size(); i++)
1437     {
1438         p_stream->segments[i]->Preload();
1439     }
1440
1441     p_segment = p_stream->segments[0];
1442     if( p_segment->cluster != NULL )
1443     {
1444         msg_Warn( p_demux, "cannot find any cluster, damaged file ?" );
1445
1446         // reset the stream reading to the first cluster of the segment used
1447         p_stream->p_in->setFilePointer( p_segment->cluster->GetElementPosition() );
1448     }
1449
1450     /* get the files from the same dir from the same family (based on p_demux->psz_path) */
1451     if (p_demux->psz_path[0] != '\0' && !strcmp(p_demux->psz_access, ""))
1452     {
1453         // assume it's a regular file
1454         // get the directory path
1455         s_path = p_demux->psz_path;
1456         if (s_path.at(s_path.length() - 1) == DIRECTORY_SEPARATOR)
1457         {
1458             s_path = s_path.substr(0,s_path.length()-1);
1459         }
1460         else
1461         {
1462             if (s_path.find_last_of(DIRECTORY_SEPARATOR) > 0)
1463             {
1464                 s_path = s_path.substr(0,s_path.find_last_of(DIRECTORY_SEPARATOR));
1465             }
1466         }
1467
1468         struct dirent *p_file_item;
1469         DIR *p_src_dir = opendir(s_path.c_str());
1470
1471         if (p_src_dir != NULL)
1472         {
1473             while ((p_file_item = (dirent *) readdir(p_src_dir)))
1474             {
1475                 if (strlen(p_file_item->d_name) > 4)
1476                 {
1477                     s_filename = s_path + DIRECTORY_SEPARATOR + p_file_item->d_name;
1478
1479                     if (!s_filename.compare(p_demux->psz_path))
1480                         continue; // don't reuse the original opened file
1481
1482 #if defined(__GNUC__) && (__GNUC__ < 3)
1483                     if (!s_filename.compare("mkv", s_filename.length() - 3, 3) ||
1484                         !s_filename.compare("mka", s_filename.length() - 3, 3))
1485 #else
1486                     if (!s_filename.compare(s_filename.length() - 3, 3, "mkv") ||
1487                         !s_filename.compare(s_filename.length() - 3, 3, "mka"))
1488 #endif
1489                     {
1490                         // test wether this file belongs to our family
1491                         stream_t *p_file_stream = stream_UrlNew( p_demux, s_filename.c_str());
1492                         if ( p_file_stream != NULL )
1493                         {
1494                             vlc_stream_io_callback *p_file_io = new vlc_stream_io_callback( p_file_stream, VLC_TRUE );
1495                             EbmlStream *p_estream = new EbmlStream(*p_file_io);
1496
1497                             p_stream = p_sys->AnalyseAllSegmentsFound( p_estream );
1498
1499                             if ( p_stream == NULL )
1500                             {
1501                                 msg_Dbg( p_demux, "the file '%s' will not be used", s_filename.c_str() );
1502                                 delete p_estream;
1503                                 delete p_file_io;
1504                             }
1505                             else
1506                             {
1507                                 p_stream->p_in = p_file_io;
1508                                 p_stream->p_es = p_estream;
1509                                 p_sys->streams.push_back( p_stream );
1510                             }
1511                         }
1512                         else
1513                         {
1514                             msg_Dbg( p_demux, "the file '%s' cannot be opened", s_filename.c_str() );
1515                         }
1516                     }
1517                 }
1518             }
1519             closedir( p_src_dir );
1520         }
1521     }
1522
1523     p_sys->PreloadFamily( *p_segment );
1524     p_sys->PreloadLinked( p_segment );
1525     if ( !p_sys->PreparePlayback( NULL ) )
1526     {
1527         msg_Err( p_demux, "cannot use the segment" );
1528         goto error;
1529     }
1530
1531     p_sys->StartUiThread();
1532
1533     return VLC_SUCCESS;
1534
1535 error:
1536     delete p_sys;
1537     return VLC_EGENERIC;
1538 }
1539
1540 /*****************************************************************************
1541  * Close: frees unused data
1542  *****************************************************************************/
1543 static void Close( vlc_object_t *p_this )
1544 {
1545     demux_t     *p_demux = (demux_t*)p_this;
1546     demux_sys_t *p_sys   = p_demux->p_sys;
1547
1548     delete p_sys;
1549 }
1550
1551 /*****************************************************************************
1552  * Control:
1553  *****************************************************************************/
1554 static int Control( demux_t *p_demux, int i_query, va_list args )
1555 {
1556     demux_sys_t        *p_sys = p_demux->p_sys;
1557     int64_t     *pi64;
1558     double      *pf, f;
1559     int         i_skp;
1560     size_t      i_idx;
1561
1562     vlc_meta_t **pp_meta;
1563
1564     switch( i_query )
1565     {
1566         case DEMUX_GET_META:
1567             pp_meta = (vlc_meta_t**)va_arg( args, vlc_meta_t** );
1568             *pp_meta = vlc_meta_Duplicate( p_sys->meta );
1569             return VLC_SUCCESS;
1570
1571         case DEMUX_GET_LENGTH:
1572             pi64 = (int64_t*)va_arg( args, int64_t * );
1573             if( p_sys->f_duration > 0.0 )
1574             {
1575                 *pi64 = (int64_t)(p_sys->f_duration * 1000);
1576                 return VLC_SUCCESS;
1577             }
1578             return VLC_EGENERIC;
1579
1580         case DEMUX_GET_POSITION:
1581             pf = (double*)va_arg( args, double * );
1582             if ( p_sys->f_duration > 0.0 )
1583                 *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);
1584             return VLC_SUCCESS;
1585
1586         case DEMUX_SET_POSITION:
1587             f = (double)va_arg( args, double );
1588             Seek( p_demux, -1, f, NULL );
1589             return VLC_SUCCESS;
1590
1591         case DEMUX_GET_TIME:
1592             pi64 = (int64_t*)va_arg( args, int64_t * );
1593             *pi64 = p_sys->i_pts;
1594             return VLC_SUCCESS;
1595
1596         case DEMUX_GET_TITLE_INFO:
1597             if( p_sys->titles.size() )
1598             {
1599                 input_title_t ***ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
1600                 int *pi_int    = (int*)va_arg( args, int* );
1601
1602                 *pi_int = p_sys->titles.size();
1603                 *ppp_title = (input_title_t**)malloc( sizeof( input_title_t**) * p_sys->titles.size() );
1604
1605                 for( size_t i = 0; i < p_sys->titles.size(); i++ )
1606                 {
1607                     (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->titles[i] );
1608                 }
1609
1610                 return VLC_SUCCESS;
1611             }
1612             return VLC_EGENERIC;
1613
1614         case DEMUX_SET_TITLE:
1615             /* TODO handle editions as titles */
1616             i_idx = (int)va_arg( args, int );
1617             if( i_idx < p_sys->used_segments.size() )
1618             {
1619                 p_sys->JumpTo( *p_sys->used_segments[i_idx], NULL );
1620                 return VLC_SUCCESS;
1621             }
1622             return VLC_EGENERIC;
1623
1624         case DEMUX_SET_SEEKPOINT:
1625             i_skp = (int)va_arg( args, int );
1626
1627             // TODO change the way it works with the << & >> buttons on the UI (+1/-1 instead of a number)
1628             if( p_sys->titles.size() && i_skp < p_sys->titles[p_sys->i_current_title]->i_seekpoint)
1629             {
1630                 Seek( p_demux, (int64_t)p_sys->titles[p_sys->i_current_title]->seekpoint[i_skp]->i_time_offset, -1, NULL);
1631                 p_demux->info.i_seekpoint |= INPUT_UPDATE_SEEKPOINT;
1632                 p_demux->info.i_seekpoint = i_skp;
1633                 return VLC_SUCCESS;
1634             }
1635             return VLC_EGENERIC;
1636
1637         case DEMUX_SET_TIME:
1638         case DEMUX_GET_FPS:
1639         default:
1640             return VLC_EGENERIC;
1641     }
1642 }
1643
1644 int matroska_segment_c::BlockGet( KaxBlock * & pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration )
1645 {
1646     pp_block = NULL;
1647     *pi_ref1  = 0;
1648     *pi_ref2  = 0;
1649
1650     for( ;; )
1651     {
1652         EbmlElement *el;
1653         int         i_level;
1654
1655         if ( ep == NULL )
1656             return VLC_EGENERIC;
1657
1658         el = ep->Get();
1659         i_level = ep->GetLevel();
1660
1661         if( el == NULL && pp_block != NULL )
1662         {
1663             /* update the index */
1664 #define idx p_indexes[i_index - 1]
1665             if( i_index > 0 && idx.i_time == -1 )
1666             {
1667                 idx.i_time        = (*pp_block).GlobalTimecode() / (mtime_t)1000;
1668                 idx.b_key         = *pi_ref1 == 0 ? VLC_TRUE : VLC_FALSE;
1669             }
1670 #undef idx
1671             return VLC_SUCCESS;
1672         }
1673
1674         if( el == NULL )
1675         {
1676             if( ep->GetLevel() > 1 )
1677             {
1678                 ep->Up();
1679                 continue;
1680             }
1681             msg_Warn( &sys.demuxer, "EOF" );
1682             return VLC_EGENERIC;
1683         }
1684
1685         /* do parsing */
1686         switch ( i_level )
1687         {
1688         case 1:
1689             if( MKV_IS_ID( el, KaxCluster ) )
1690             {
1691                 cluster = (KaxCluster*)el;
1692                 i_cluster_pos = cluster->GetElementPosition();
1693
1694                 /* add it to the index */
1695                 if( i_index == 0 ||
1696                     ( i_index > 0 && p_indexes[i_index - 1].i_position < (int64_t)cluster->GetElementPosition() ) )
1697                 {
1698                     IndexAppendCluster( cluster );
1699                 }
1700
1701                 // reset silent tracks
1702                 for (size_t i=0; i<tracks.size(); i++)
1703                 {
1704                     tracks[i]->b_silent = VLC_FALSE;
1705                 }
1706
1707                 ep->Down();
1708             }
1709             else if( MKV_IS_ID( el, KaxCues ) )
1710             {
1711                 msg_Warn( &sys.demuxer, "find KaxCues FIXME" );
1712                 return VLC_EGENERIC;
1713             }
1714             else
1715             {
1716                 msg_Dbg( &sys.demuxer, "unknown (%s)", typeid( el ).name() );
1717             }
1718             break;
1719         case 2:
1720             if( MKV_IS_ID( el, KaxClusterTimecode ) )
1721             {
1722                 KaxClusterTimecode &ctc = *(KaxClusterTimecode*)el;
1723
1724                 ctc.ReadData( es.I_O(), SCOPE_ALL_DATA );
1725                 cluster->InitTimecode( uint64( ctc ), i_timescale );
1726             }
1727             else if( MKV_IS_ID( el, KaxClusterSilentTracks ) )
1728             {
1729                 ep->Down();
1730             }
1731             else if( MKV_IS_ID( el, KaxBlockGroup ) )
1732             {
1733                 i_block_pos = el->GetElementPosition();
1734                 ep->Down();
1735             }
1736             break;
1737         case 3:
1738             if( MKV_IS_ID( el, KaxBlock ) )
1739             {
1740                 pp_block = (KaxBlock*)el;
1741
1742                 pp_block->ReadData( es.I_O() );
1743                 pp_block->SetParent( *cluster );
1744
1745                 ep->Keep();
1746             }
1747             else if( MKV_IS_ID( el, KaxBlockDuration ) )
1748             {
1749                 KaxBlockDuration &dur = *(KaxBlockDuration*)el;
1750
1751                 dur.ReadData( es.I_O() );
1752                 *pi_duration = uint64( dur );
1753             }
1754             else if( MKV_IS_ID( el, KaxReferenceBlock ) )
1755             {
1756                 KaxReferenceBlock &ref = *(KaxReferenceBlock*)el;
1757
1758                 ref.ReadData( es.I_O() );
1759                 if( *pi_ref1 == 0 )
1760                 {
1761                     *pi_ref1 = int64( ref ) * cluster->GlobalTimecodeScale();
1762                 }
1763                 else
1764                 {
1765                     *pi_ref2 = int64( ref ) * cluster->GlobalTimecodeScale();
1766                 }
1767             }
1768             else if( MKV_IS_ID( el, KaxClusterSilentTrackNumber ) )
1769             {
1770                 KaxClusterSilentTrackNumber &track_num = *(KaxClusterSilentTrackNumber*)el;
1771                 track_num.ReadData( es.I_O() );
1772                 // find the track
1773                 for (size_t i=0; i<tracks.size(); i++)
1774                 {
1775                     if ( tracks[i]->i_number == uint32(track_num))
1776                     {
1777                         tracks[i]->b_silent = VLC_TRUE;
1778                         break;
1779                     }
1780                 }
1781             }
1782             break;
1783         default:
1784             msg_Err( &sys.demuxer, "invalid level = %d", i_level );
1785             return VLC_EGENERIC;
1786         }
1787     }
1788 }
1789
1790 static block_t *MemToBlock( demux_t *p_demux, uint8_t *p_mem, int i_mem)
1791 {
1792     block_t *p_block;
1793     if( !(p_block = block_New( p_demux, i_mem ) ) ) return NULL;
1794     memcpy( p_block->p_buffer, p_mem, i_mem );
1795     //p_block->i_rate = p_input->stream.control.i_rate;
1796     return p_block;
1797 }
1798
1799 static void BlockDecode( demux_t *p_demux, KaxBlock *block, mtime_t i_pts,
1800                          mtime_t i_duration )
1801 {
1802     demux_sys_t        *p_sys = p_demux->p_sys;
1803     matroska_segment_c *p_segment = p_sys->p_current_segment->Segment();
1804
1805     size_t          i_track;
1806     unsigned int    i;
1807     vlc_bool_t      b;
1808
1809 #define tk  p_segment->tracks[i_track]
1810     for( i_track = 0; i_track < p_segment->tracks.size(); i_track++ )
1811     {
1812         if( tk->i_number == block->TrackNum() )
1813         {
1814             break;
1815         }
1816     }
1817
1818     if( i_track >= p_segment->tracks.size() )
1819     {
1820         msg_Err( p_demux, "invalid track number=%d", block->TrackNum() );
1821         return;
1822     }
1823     if( tk->fmt.i_cat != NAV_ES && tk->p_es == NULL )
1824     {
1825         msg_Err( p_demux, "unknown track number=%d", block->TrackNum() );
1826         return;
1827     }
1828     if( i_pts + i_duration < p_sys->i_start_pts && tk->fmt.i_cat == AUDIO_ES )
1829     {
1830         return; /* discard audio packets that shouldn't be rendered */
1831     }
1832
1833     if ( tk->fmt.i_cat != NAV_ES )
1834     {
1835         es_out_Control( p_demux->out, ES_OUT_GET_ES_STATE, tk->p_es, &b );
1836
1837         if( !b )
1838         {
1839             tk->b_inited = VLC_FALSE;
1840             return;
1841         }
1842     }
1843
1844
1845     /* First send init data */
1846     if( !tk->b_inited && tk->i_data_init > 0 )
1847     {
1848         block_t *p_init;
1849
1850         msg_Dbg( p_demux, "sending header (%d bytes)", tk->i_data_init );
1851         p_init = MemToBlock( p_demux, tk->p_data_init, tk->i_data_init );
1852         if( p_init ) es_out_Send( p_demux->out, tk->p_es, p_init );
1853     }
1854     tk->b_inited = VLC_TRUE;
1855
1856
1857     for( i = 0; i < block->NumberFrames(); i++ )
1858     {
1859         block_t *p_block;
1860         DataBuffer &data = block->GetBuffer(i);
1861
1862         p_block = MemToBlock( p_demux, data.Buffer(), data.Size() );
1863
1864         if( p_block == NULL )
1865         {
1866             break;
1867         }
1868
1869 #if defined(HAVE_ZLIB_H)
1870         if( tk->i_compression_type )
1871         {
1872             p_block = block_zlib_decompress( VLC_OBJECT(p_demux), p_block );
1873         }
1874 #endif
1875
1876         if ( tk->fmt.i_cat == NAV_ES )
1877         {
1878             // TODO handle the start/stop times of this packet
1879             if ( p_sys->b_ui_hooked )
1880             {
1881                 vlc_mutex_lock( &p_sys->p_ev->lock );
1882                 memcpy( &p_sys->pci_packet, &p_block->p_buffer[1], sizeof(pci_t) );
1883                 p_sys->SwapButtons();
1884                 p_sys->b_pci_packet_set = true;
1885                 vlc_mutex_unlock( &p_sys->p_ev->lock );
1886                 block_Release( p_block );
1887             }
1888             return;
1889         }
1890         // correct timestamping when B frames are used
1891         if( tk->fmt.i_cat != VIDEO_ES )
1892         {
1893             p_block->i_dts = p_block->i_pts = i_pts;
1894         }
1895         else
1896         {
1897             if( !strcmp( tk->psz_codec, "V_MS/VFW/FOURCC" ) )
1898             {
1899                 p_block->i_pts = 0;
1900             }
1901             else
1902             {
1903                 p_block->i_pts = i_pts;
1904             }
1905             p_block->i_dts = p_sys->i_pts;
1906         }
1907
1908 #if 0
1909 msg_Dbg( p_demux, "block i_dts: "I64Fd" / i_pts: "I64Fd, p_block->i_dts, p_block->i_pts);
1910 #endif
1911         if( strcmp( tk->psz_codec, "S_VOBSUB" ) )
1912         {
1913             p_block->i_length = i_duration * 1000;
1914         }
1915
1916         es_out_Send( p_demux->out, tk->p_es, p_block );
1917
1918         /* use time stamp only for first block */
1919         i_pts = 0;
1920     }
1921
1922 #undef tk
1923 }
1924
1925 matroska_stream_c *demux_sys_t::AnalyseAllSegmentsFound( EbmlStream *p_estream, bool b_initial )
1926 {
1927     int i_upper_lvl = 0;
1928     size_t i;
1929     EbmlElement *p_l0, *p_l1, *p_l2;
1930     bool b_keep_stream = false, b_keep_segment;
1931
1932     // verify the EBML Header
1933     p_l0 = p_estream->FindNextID(EbmlHead::ClassInfos, 0xFFFFFFFFL);
1934     if (p_l0 == NULL)
1935     {
1936         return NULL;
1937     }
1938     p_l0->SkipData(*p_estream, KaxMatroska_Context);
1939     delete p_l0;
1940
1941     // find all segments in this file
1942     p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFFLL);
1943     if (p_l0 == NULL)
1944     {
1945         return NULL;
1946     }
1947
1948     matroska_stream_c *p_stream1 = new matroska_stream_c( *this );
1949
1950     while (p_l0 != 0)
1951     {
1952         if (EbmlId(*p_l0) == KaxSegment::ClassInfos.GlobalId)
1953         {
1954             EbmlParser  *ep;
1955             matroska_segment_c *p_segment1 = new matroska_segment_c( *this, *p_estream );
1956             b_keep_segment = b_initial;
1957
1958             ep = new EbmlParser(p_estream, p_l0, &demuxer );
1959             p_segment1->ep = ep;
1960             p_segment1->segment = (KaxSegment*)p_l0;
1961
1962             while ((p_l1 = ep->Get()))
1963             {
1964                 if (MKV_IS_ID(p_l1, KaxInfo))
1965                 {
1966                     // find the families of this segment
1967                     KaxInfo *p_info = static_cast<KaxInfo*>(p_l1);
1968
1969                     p_info->Read(*p_estream, KaxInfo::ClassInfos.Context, i_upper_lvl, p_l2, true);
1970                     for( i = 0; i < p_info->ListSize(); i++ )
1971                     {
1972                         EbmlElement *l = (*p_info)[i];
1973
1974                         if( MKV_IS_ID( l, KaxSegmentUID ) )
1975                         {
1976                             KaxSegmentUID *p_uid = static_cast<KaxSegmentUID*>(l);
1977                             b_keep_segment = (FindSegment( *p_uid ) == NULL);
1978                             if ( !b_keep_segment )
1979                                 break; // this segment is already known
1980                             opened_segments.push_back( p_segment1 );
1981                             delete p_segment1->p_segment_uid;
1982                             p_segment1->p_segment_uid = new KaxSegmentUID(*p_uid);
1983                         }
1984                         else if( MKV_IS_ID( l, KaxPrevUID ) )
1985                         {
1986                             p_segment1->p_prev_segment_uid = new KaxPrevUID( *static_cast<KaxPrevUID*>(l) );
1987                         }
1988                         else if( MKV_IS_ID( l, KaxNextUID ) )
1989                         {
1990                             p_segment1->p_next_segment_uid = new KaxNextUID( *static_cast<KaxNextUID*>(l) );
1991                         }
1992                         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
1993                         {
1994                             KaxSegmentFamily *p_fam = new KaxSegmentFamily( *static_cast<KaxSegmentFamily*>(l) );
1995                             p_segment1->families.push_back( p_fam );
1996                         }
1997                     }
1998                     break;
1999                 }
2000             }
2001             if ( b_keep_segment )
2002             {
2003                 b_keep_stream = true;
2004                 p_stream1->segments.push_back( p_segment1 );
2005             }
2006             else
2007                 delete p_segment1;
2008         }
2009         if (p_l0->IsFiniteSize() )
2010         {
2011             p_l0->SkipData(*p_estream, KaxMatroska_Context);
2012             p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFL);
2013         }
2014         else
2015             p_l0 = p_l0->SkipData(*p_estream, KaxSegment_Context);
2016     }
2017
2018     if ( !b_keep_stream )
2019     {
2020         delete p_stream1;
2021         p_stream1 = NULL;
2022     }
2023
2024     return p_stream1;
2025 }
2026
2027 bool matroska_segment_c::Select( mtime_t i_start_time )
2028 {
2029     size_t i_track;
2030
2031     /* add all es */
2032     msg_Dbg( &sys.demuxer, "found %d es", (int)tracks.size() );
2033     sys.b_pci_packet_set = false;
2034
2035     for( i_track = 0; i_track < tracks.size(); i_track++ )
2036     {
2037         if( tracks[i_track]->fmt.i_cat == UNKNOWN_ES )
2038         {
2039             msg_Warn( &sys.demuxer, "invalid track[%d, n=%d]", (int)i_track, tracks[i_track]->i_number );
2040             tracks[i_track]->p_es = NULL;
2041             continue;
2042         }
2043
2044         if( !strcmp( tracks[i_track]->psz_codec, "V_MS/VFW/FOURCC" ) )
2045         {
2046             if( tracks[i_track]->i_extra_data < (int)sizeof( BITMAPINFOHEADER ) )
2047             {
2048                 msg_Err( &sys.demuxer, "missing/invalid BITMAPINFOHEADER" );
2049                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2050             }
2051             else
2052             {
2053                 BITMAPINFOHEADER *p_bih = (BITMAPINFOHEADER*)tracks[i_track]->p_extra_data;
2054
2055                 tracks[i_track]->fmt.video.i_width = GetDWLE( &p_bih->biWidth );
2056                 tracks[i_track]->fmt.video.i_height= GetDWLE( &p_bih->biHeight );
2057                 tracks[i_track]->fmt.i_codec       = GetFOURCC( &p_bih->biCompression );
2058
2059                 tracks[i_track]->fmt.i_extra       = GetDWLE( &p_bih->biSize ) - sizeof( BITMAPINFOHEADER );
2060                 if( tracks[i_track]->fmt.i_extra > 0 )
2061                 {
2062                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2063                     memcpy( tracks[i_track]->fmt.p_extra, &p_bih[1], tracks[i_track]->fmt.i_extra );
2064                 }
2065             }
2066         }
2067         else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG1" ) ||
2068                  !strcmp( tracks[i_track]->psz_codec, "V_MPEG2" ) )
2069         {
2070             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'v' );
2071         }
2072         else if( !strncmp( tracks[i_track]->psz_codec, "V_MPEG4", 7 ) )
2073         {
2074             if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/MS/V3" ) )
2075             {
2076                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'D', 'I', 'V', '3' );
2077             }
2078             else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/ISO/AVC" ) )
2079             {
2080                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'v', 'c', '1' );
2081                 tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2082                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2083                 memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2084             }
2085             else
2086             {
2087                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' );
2088             }
2089         }
2090         else if( !strcmp( tracks[i_track]->psz_codec, "V_QUICKTIME" ) )
2091         {
2092             MP4_Box_t *p_box = (MP4_Box_t*)malloc( sizeof( MP4_Box_t ) );
2093             stream_t *p_mp4_stream = stream_MemoryNew( VLC_OBJECT(&sys.demuxer),
2094                                                        tracks[i_track]->p_extra_data,
2095                                                        tracks[i_track]->i_extra_data,
2096                                                        VLC_FALSE );
2097             MP4_ReadBoxCommon( p_mp4_stream, p_box );
2098             MP4_ReadBox_sample_vide( p_mp4_stream, p_box );
2099             tracks[i_track]->fmt.i_codec = p_box->i_type;
2100             tracks[i_track]->fmt.video.i_width = p_box->data.p_sample_vide->i_width;
2101             tracks[i_track]->fmt.video.i_height = p_box->data.p_sample_vide->i_height;
2102             tracks[i_track]->fmt.i_extra = p_box->data.p_sample_vide->i_qt_image_description;
2103             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2104             memcpy( tracks[i_track]->fmt.p_extra, p_box->data.p_sample_vide->p_qt_image_description, tracks[i_track]->fmt.i_extra );
2105             MP4_FreeBox_sample_vide( p_box );
2106             stream_Delete( p_mp4_stream );
2107         }
2108         else if( !strcmp( tracks[i_track]->psz_codec, "A_MS/ACM" ) )
2109         {
2110             if( tracks[i_track]->i_extra_data < (int)sizeof( WAVEFORMATEX ) )
2111             {
2112                 msg_Err( &sys.demuxer, "missing/invalid WAVEFORMATEX" );
2113                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2114             }
2115             else
2116             {
2117                 WAVEFORMATEX *p_wf = (WAVEFORMATEX*)tracks[i_track]->p_extra_data;
2118
2119                 wf_tag_to_fourcc( GetWLE( &p_wf->wFormatTag ), &tracks[i_track]->fmt.i_codec, NULL );
2120
2121                 tracks[i_track]->fmt.audio.i_channels   = GetWLE( &p_wf->nChannels );
2122                 tracks[i_track]->fmt.audio.i_rate = GetDWLE( &p_wf->nSamplesPerSec );
2123                 tracks[i_track]->fmt.i_bitrate    = GetDWLE( &p_wf->nAvgBytesPerSec ) * 8;
2124                 tracks[i_track]->fmt.audio.i_blockalign = GetWLE( &p_wf->nBlockAlign );;
2125                 tracks[i_track]->fmt.audio.i_bitspersample = GetWLE( &p_wf->wBitsPerSample );
2126
2127                 tracks[i_track]->fmt.i_extra            = GetWLE( &p_wf->cbSize );
2128                 if( tracks[i_track]->fmt.i_extra > 0 )
2129                 {
2130                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2131                     memcpy( tracks[i_track]->fmt.p_extra, &p_wf[1], tracks[i_track]->fmt.i_extra );
2132                 }
2133             }
2134         }
2135         else if( !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L3" ) ||
2136                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L2" ) ||
2137                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L1" ) )
2138         {
2139             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' );
2140         }
2141         else if( !strcmp( tracks[i_track]->psz_codec, "A_AC3" ) )
2142         {
2143             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' );
2144         }
2145         else if( !strcmp( tracks[i_track]->psz_codec, "A_DTS" ) )
2146         {
2147             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'd', 't', 's', ' ' );
2148         }
2149         else if( !strcmp( tracks[i_track]->psz_codec, "A_FLAC" ) )
2150         {
2151             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'f', 'l', 'a', 'c' );
2152             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2153             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2154             memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2155         }
2156         else if( !strcmp( tracks[i_track]->psz_codec, "A_VORBIS" ) )
2157         {
2158             int i, i_offset = 1, i_size[3], i_extra;
2159             uint8_t *p_extra;
2160
2161             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'v', 'o', 'r', 'b' );
2162
2163             /* Split the 3 headers */
2164             if( tracks[i_track]->p_extra_data[0] != 0x02 )
2165                 msg_Err( &sys.demuxer, "invalid vorbis header" );
2166
2167             for( i = 0; i < 2; i++ )
2168             {
2169                 i_size[i] = 0;
2170                 while( i_offset < tracks[i_track]->i_extra_data )
2171                 {
2172                     i_size[i] += tracks[i_track]->p_extra_data[i_offset];
2173                     if( tracks[i_track]->p_extra_data[i_offset++] != 0xff ) break;
2174                 }
2175             }
2176
2177             i_size[0] = __MIN(i_size[0], tracks[i_track]->i_extra_data - i_offset);
2178             i_size[1] = __MIN(i_size[1], tracks[i_track]->i_extra_data -i_offset -i_size[0]);
2179             i_size[2] = tracks[i_track]->i_extra_data - i_offset - i_size[0] - i_size[1];
2180
2181             tracks[i_track]->fmt.i_extra = 3 * 2 + i_size[0] + i_size[1] + i_size[2];
2182             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2183             p_extra = (uint8_t *)tracks[i_track]->fmt.p_extra; i_extra = 0;
2184             for( i = 0; i < 3; i++ )
2185             {
2186                 *(p_extra++) = i_size[i] >> 8;
2187                 *(p_extra++) = i_size[i] & 0xFF;
2188                 memcpy( p_extra, tracks[i_track]->p_extra_data + i_offset + i_extra,
2189                         i_size[i] );
2190                 p_extra += i_size[i];
2191                 i_extra += i_size[i];
2192             }
2193         }
2194         else if( !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG2/", strlen( "A_AAC/MPEG2/" ) ) ||
2195                  !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG4/", strlen( "A_AAC/MPEG4/" ) ) )
2196         {
2197             int i_profile, i_srate;
2198             static unsigned int i_sample_rates[] =
2199             {
2200                     96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050,
2201                         16000, 12000, 11025, 8000,  7350,  0,     0,     0
2202             };
2203
2204             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
2205             /* create data for faad (MP4DecSpecificDescrTag)*/
2206
2207             if( !strcmp( &tracks[i_track]->psz_codec[12], "MAIN" ) )
2208             {
2209                 i_profile = 0;
2210             }
2211             else if( !strcmp( &tracks[i_track]->psz_codec[12], "LC" ) )
2212             {
2213                 i_profile = 1;
2214             }
2215             else if( !strcmp( &tracks[i_track]->psz_codec[12], "SSR" ) )
2216             {
2217                 i_profile = 2;
2218             }
2219             else
2220             {
2221                 i_profile = 3;
2222             }
2223
2224             for( i_srate = 0; i_srate < 13; i_srate++ )
2225             {
2226                 if( i_sample_rates[i_srate] == tracks[i_track]->fmt.audio.i_rate )
2227                 {
2228                     break;
2229                 }
2230             }
2231             msg_Dbg( &sys.demuxer, "profile=%d srate=%d", i_profile, i_srate );
2232
2233             tracks[i_track]->fmt.i_extra = 2;
2234             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2235             ((uint8_t*)tracks[i_track]->fmt.p_extra)[0] = ((i_profile + 1) << 3) | ((i_srate&0xe) >> 1);
2236             ((uint8_t*)tracks[i_track]->fmt.p_extra)[1] = ((i_srate & 0x1) << 7) | (tracks[i_track]->fmt.audio.i_channels << 3);
2237         }
2238         else if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) ||
2239                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/LIT" ) ||
2240                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/FLOAT/IEEE" ) )
2241         {
2242             if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) )
2243             {
2244                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
2245             }
2246             else
2247             {
2248                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
2249             }
2250             tracks[i_track]->fmt.audio.i_blockalign = ( tracks[i_track]->fmt.audio.i_bitspersample + 7 ) / 8 * tracks[i_track]->fmt.audio.i_channels;
2251         }
2252         else if( !strcmp( tracks[i_track]->psz_codec, "A_TTA1" ) )
2253         {
2254             /* FIXME: support this codec */
2255             msg_Err( &sys.demuxer, "TTA not supported yet[%d, n=%d]", (int)i_track, tracks[i_track]->i_number );
2256             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2257         }
2258         else if( !strcmp( tracks[i_track]->psz_codec, "A_WAVPACK4" ) )
2259         {
2260             /* FIXME: support this codec */
2261             msg_Err( &sys.demuxer, "Wavpack not supported yet[%d, n=%d]", (int)i_track, tracks[i_track]->i_number );
2262             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2263         }
2264         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/UTF8" ) )
2265         {
2266             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 'u', 'b', 't' );
2267             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2268         }
2269         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/SSA" ) ||
2270                  !strcmp( tracks[i_track]->psz_codec, "S_TEXT/ASS" ) ||
2271                  !strcmp( tracks[i_track]->psz_codec, "S_SSA" ) ||
2272                  !strcmp( tracks[i_track]->psz_codec, "S_ASS" ))
2273         {
2274             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 's', 'a', ' ' );
2275             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2276         }
2277         else if( !strcmp( tracks[i_track]->psz_codec, "S_VOBSUB" ) )
2278         {
2279             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's','p','u',' ' );
2280             if( tracks[i_track]->i_extra_data )
2281             {
2282                 char *p_start;
2283                 char *p_buf = (char *)malloc( tracks[i_track]->i_extra_data + 1);
2284                 memcpy( p_buf, tracks[i_track]->p_extra_data , tracks[i_track]->i_extra_data );
2285                 p_buf[tracks[i_track]->i_extra_data] = '\0';
2286
2287                 p_start = strstr( p_buf, "size:" );
2288                 if( sscanf( p_start, "size: %dx%d",
2289                         &tracks[i_track]->fmt.subs.spu.i_original_frame_width, &tracks[i_track]->fmt.subs.spu.i_original_frame_height ) == 2 )
2290                 {
2291                     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 );
2292                 }
2293                 else
2294                 {
2295                     msg_Warn( &sys.demuxer, "reading original frame size for vobsub failed" );
2296                 }
2297                 free( p_buf );
2298             }
2299         }
2300         else if( !strcmp( tracks[i_track]->psz_codec, "B_VOBBTN" ) )
2301         {
2302             tracks[i_track]->fmt.i_cat = NAV_ES;
2303             continue;
2304         }
2305         else
2306         {
2307             msg_Err( &sys.demuxer, "unknow codec id=`%s'", tracks[i_track]->psz_codec );
2308             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2309         }
2310         if( tracks[i_track]->b_default )
2311         {
2312             tracks[i_track]->fmt.i_priority = 1000;
2313         }
2314
2315         tracks[i_track]->p_es = es_out_Add( sys.demuxer.out, &tracks[i_track]->fmt );
2316
2317         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_start_time );
2318     }
2319
2320     sys.i_start_pts = i_start_time;
2321     // reset the stream reading to the first cluster of the segment used
2322     es.I_O().setFilePointer( i_start_pos );
2323
2324     delete ep;
2325     ep = new EbmlParser( &es, segment, &sys.demuxer );
2326
2327     return true;
2328 }
2329
2330 void demux_sys_t::StartUiThread()
2331 {
2332     if ( !b_ui_hooked )
2333     {
2334         msg_Dbg( &demuxer, "Starting the UI Hook" );
2335         b_ui_hooked = true;
2336         /* FIXME hack hack hack hack FIXME */
2337         /* Get p_input and create variable */
2338         p_input = (input_thread_t *) vlc_object_find( &demuxer, VLC_OBJECT_INPUT, FIND_PARENT );
2339         var_Create( p_input, "x-start", VLC_VAR_INTEGER );
2340         var_Create( p_input, "y-start", VLC_VAR_INTEGER );
2341         var_Create( p_input, "x-end", VLC_VAR_INTEGER );
2342         var_Create( p_input, "y-end", VLC_VAR_INTEGER );
2343         var_Create( p_input, "color", VLC_VAR_ADDRESS );
2344         var_Create( p_input, "menu-palette", VLC_VAR_ADDRESS );
2345         var_Create( p_input, "highlight", VLC_VAR_BOOL );
2346         var_Create( p_input, "highlight-mutex", VLC_VAR_MUTEX );
2347
2348         /* Now create our event thread catcher */
2349         p_ev = (event_thread_t *) vlc_object_create( &demuxer, sizeof( event_thread_t ) );
2350         p_ev->p_demux = &demuxer;
2351         p_ev->b_die = VLC_FALSE;
2352         vlc_mutex_init( p_ev, &p_ev->lock );
2353         vlc_thread_create( p_ev, "mkv event thread handler", EventThread,
2354                         VLC_THREAD_PRIORITY_LOW, VLC_FALSE );
2355     }
2356 }
2357
2358 void demux_sys_t::StopUiThread()
2359 {
2360     if ( b_ui_hooked )
2361     {
2362         p_ev->b_die = VLC_TRUE;
2363
2364         vlc_thread_join( p_ev );
2365         vlc_object_destroy( p_ev );
2366
2367         p_ev = NULL;
2368
2369         var_Destroy( p_input, "highlight-mutex" );
2370         var_Destroy( p_input, "highlight" );
2371         var_Destroy( p_input, "x-start" );
2372         var_Destroy( p_input, "x-end" );
2373         var_Destroy( p_input, "y-start" );
2374         var_Destroy( p_input, "y-end" );
2375         var_Destroy( p_input, "color" );
2376         var_Destroy( p_input, "menu-palette" );
2377
2378         vlc_object_release( p_input );
2379
2380         msg_Dbg( &demuxer, "Stopping the UI Hook" );
2381     }
2382     b_ui_hooked = false;
2383 }
2384
2385 int demux_sys_t::EventMouse( vlc_object_t *p_this, char const *psz_var,
2386                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
2387 {
2388     event_thread_t *p_ev = (event_thread_t *) p_data;
2389     vlc_mutex_lock( &p_ev->lock );
2390     if( psz_var[6] == 'c' )
2391         p_ev->b_clicked = VLC_TRUE;
2392     else if( psz_var[6] == 'm' )
2393         p_ev->b_moved = VLC_TRUE;
2394     vlc_mutex_unlock( &p_ev->lock );
2395
2396     return VLC_SUCCESS;
2397 }
2398
2399 int demux_sys_t::EventKey( vlc_object_t *p_this, char const *psz_var,
2400                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
2401 {
2402     event_thread_t *p_ev = (event_thread_t *) p_data;
2403     vlc_mutex_lock( &p_ev->lock );
2404     p_ev->b_key = VLC_TRUE;
2405     vlc_mutex_unlock( &p_ev->lock );
2406
2407     return VLC_SUCCESS;
2408 }
2409
2410 int demux_sys_t::EventThread( vlc_object_t *p_this )
2411 {
2412     event_thread_t *p_ev = (event_thread_t*)p_this;
2413     demux_sys_t    *p_sys = p_ev->p_demux->p_sys;
2414     vlc_object_t   *p_vout = NULL;
2415
2416     p_ev->b_moved   = VLC_FALSE;
2417     p_ev->b_clicked = VLC_FALSE;
2418     p_ev->b_key     = VLC_FALSE;
2419
2420     /* catch all key event */
2421     var_AddCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2422
2423     /* main loop */
2424     while( !p_ev->b_die )
2425     {
2426         if ( !p_sys->b_pci_packet_set )
2427         {
2428             /* Wait 100ms */
2429             msleep( 100000 );
2430             continue;
2431         }
2432
2433         vlc_bool_t b_activated = VLC_FALSE;
2434
2435         /* KEY part */
2436         if( p_ev->b_key )
2437         {
2438             vlc_value_t valk;
2439             struct vlc_t::hotkey *p_hotkeys = p_ev->p_vlc->p_hotkeys;
2440             int i, i_action = -1;
2441
2442             vlc_mutex_lock( &p_ev->lock );
2443
2444             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2445
2446             var_Get( p_ev->p_vlc, "key-pressed", &valk );
2447             for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
2448             {
2449                 if( p_hotkeys[i].i_key == valk.i_int )
2450                 {
2451                     i_action = p_hotkeys[i].i_action;
2452                 }
2453             }
2454
2455             uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2456
2457             switch( i_action )
2458             {
2459             case ACTIONID_NAV_LEFT:
2460                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2461                 {
2462                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2463                     if ( p_button_ptr->left > 0 && p_button_ptr->left <= pci->hli.hl_gi.btn_ns )
2464                     {
2465                         i_curr_button = p_button_ptr->left;
2466                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2467                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2468                         if ( button_ptr.auto_action_mode )
2469                         {
2470                             vlc_mutex_unlock( &p_ev->lock );
2471                             vlc_mutex_lock( &p_sys->lock_demuxer );
2472
2473                             // process the button action
2474                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2475
2476                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2477                             vlc_mutex_lock( &p_ev->lock );
2478                         }
2479                     }
2480                 }
2481                 break;
2482             case ACTIONID_NAV_RIGHT:
2483                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2484                 {
2485                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2486                     if ( p_button_ptr->right > 0 && p_button_ptr->right <= pci->hli.hl_gi.btn_ns )
2487                     {
2488                         i_curr_button = p_button_ptr->right;
2489                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2490                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2491                         if ( button_ptr.auto_action_mode )
2492                         {
2493                             vlc_mutex_unlock( &p_ev->lock );
2494                             vlc_mutex_lock( &p_sys->lock_demuxer );
2495
2496                             // process the button action
2497                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2498
2499                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2500                             vlc_mutex_lock( &p_ev->lock );
2501                         }
2502                     }
2503                 }
2504                 break;
2505             case ACTIONID_NAV_UP:
2506                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2507                 {
2508                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2509                     if ( p_button_ptr->up > 0 && p_button_ptr->up <= pci->hli.hl_gi.btn_ns )
2510                     {
2511                         i_curr_button = p_button_ptr->up;
2512                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2513                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2514                         if ( button_ptr.auto_action_mode )
2515                         {
2516                             vlc_mutex_unlock( &p_ev->lock );
2517                             vlc_mutex_lock( &p_sys->lock_demuxer );
2518
2519                             // process the button action
2520                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2521
2522                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2523                             vlc_mutex_lock( &p_ev->lock );
2524                         }
2525                     }
2526                 }
2527                 break;
2528             case ACTIONID_NAV_DOWN:
2529                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2530                 {
2531                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2532                     if ( p_button_ptr->down > 0 && p_button_ptr->down <= pci->hli.hl_gi.btn_ns )
2533                     {
2534                         i_curr_button = p_button_ptr->down;
2535                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2536                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2537                         if ( button_ptr.auto_action_mode )
2538                         {
2539                             vlc_mutex_unlock( &p_ev->lock );
2540                             vlc_mutex_lock( &p_sys->lock_demuxer );
2541
2542                             // process the button action
2543                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2544
2545                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2546                             vlc_mutex_lock( &p_ev->lock );
2547                         }
2548                     }
2549                 }
2550                 break;
2551             case ACTIONID_NAV_ACTIVATE:
2552                 b_activated = VLC_TRUE;
2553
2554                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2555                 {
2556                     btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2557
2558                     vlc_mutex_unlock( &p_ev->lock );
2559                     vlc_mutex_lock( &p_sys->lock_demuxer );
2560
2561                     // process the button action
2562                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2563
2564                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2565                     vlc_mutex_lock( &p_ev->lock );
2566                 }
2567                 break;
2568             default:
2569                 break;
2570             }
2571             p_ev->b_key = VLC_FALSE;
2572             vlc_mutex_unlock( &p_ev->lock );
2573         }
2574
2575         /* MOUSE part */
2576         if( p_vout && ( p_ev->b_moved || p_ev->b_clicked ) )
2577         {
2578             vlc_value_t valx, valy;
2579
2580             vlc_mutex_lock( &p_ev->lock );
2581             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2582             var_Get( p_vout, "mouse-x", &valx );
2583             var_Get( p_vout, "mouse-y", &valy );
2584
2585             if( p_ev->b_clicked )
2586             {
2587                 int32_t button;
2588                 int32_t best,dist,d;
2589                 int32_t mx,my,dx,dy;
2590
2591                 b_activated = VLC_TRUE;
2592                 // get current button
2593                 best = 0;
2594                 dist = 0x08000000; /* >> than  (720*720)+(567*567); */
2595                 for(button = 1; button <= pci->hli.hl_gi.btn_ns; button++)
2596                 {
2597                     btni_t *button_ptr = &(pci->hli.btnit[button-1]);
2598
2599                     if(((unsigned)valx.i_int >= button_ptr->x_start)
2600                      && ((unsigned)valx.i_int <= button_ptr->x_end)
2601                      && ((unsigned)valy.i_int >= button_ptr->y_start)
2602                      && ((unsigned)valy.i_int <= button_ptr->y_end))
2603                     {
2604                         mx = (button_ptr->x_start + button_ptr->x_end)/2;
2605                         my = (button_ptr->y_start + button_ptr->y_end)/2;
2606                         dx = mx - valx.i_int;
2607                         dy = my - valy.i_int;
2608                         d = (dx*dx) + (dy*dy);
2609                         /* If the mouse is within the button and the mouse is closer
2610                         * to the center of this button then it is the best choice. */
2611                         if(d < dist) {
2612                             dist = d;
2613                             best = button;
2614                         }
2615                     }
2616                 }
2617
2618                 if ( best != 0)
2619                 {
2620                     btni_t button_ptr = pci->hli.btnit[best-1];
2621                     uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2622
2623                     msg_Dbg( &p_sys->demuxer, "Clicked button %d", best );
2624                     vlc_mutex_unlock( &p_ev->lock );
2625                     vlc_mutex_lock( &p_sys->lock_demuxer );
2626
2627                     // process the button action
2628                     p_sys->dvd_interpretor.SetSPRM( 0x88, best );
2629                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2630
2631                     msg_Dbg( &p_sys->demuxer, "Processed button %d", best );
2632
2633                     // select new button
2634                     if ( best != i_curr_button )
2635                     {
2636                         vlc_value_t val;
2637
2638                         if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
2639                         {
2640                             vlc_mutex_t *p_mutex = (vlc_mutex_t *) val.p_address;
2641                             uint32_t i_palette;
2642
2643                             if(button_ptr.btn_coln != 0) {
2644                                 i_palette = pci->hli.btn_colit.btn_coli[button_ptr.btn_coln-1][1];
2645                             } else {
2646                                 i_palette = 0;
2647                             }
2648
2649                             for( int i = 0; i < 4; i++ )
2650                             {
2651                                 uint32_t i_yuv = 0xFF;//p_sys->clut[(hl.palette>>(16+i*4))&0x0f];
2652                                 uint8_t i_alpha = (i_palette>>(i*4))&0x0f;
2653                                 i_alpha = i_alpha == 0xf ? 0xff : i_alpha << 4;
2654
2655                                 p_sys->palette[i][0] = (i_yuv >> 16) & 0xff;
2656                                 p_sys->palette[i][1] = (i_yuv >> 0) & 0xff;
2657                                 p_sys->palette[i][2] = (i_yuv >> 8) & 0xff;
2658                                 p_sys->palette[i][3] = i_alpha;
2659                             }
2660
2661                             vlc_mutex_lock( p_mutex );
2662                             val.i_int = button_ptr.x_start; var_Set( p_sys->p_input, "x-start", val );
2663                             val.i_int = button_ptr.x_end;   var_Set( p_sys->p_input, "x-end",   val );
2664                             val.i_int = button_ptr.y_start; var_Set( p_sys->p_input, "y-start", val );
2665                             val.i_int = button_ptr.y_end;   var_Set( p_sys->p_input, "y-end",   val );
2666
2667                             val.p_address = (void *)p_sys->palette;
2668                             var_Set( p_sys->p_input, "menu-palette", val );
2669
2670                             val.b_bool = VLC_TRUE; var_Set( p_sys->p_input, "highlight", val );
2671                             vlc_mutex_unlock( p_mutex );
2672                         }
2673                     }
2674                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2675                     vlc_mutex_lock( &p_ev->lock );
2676                 }
2677             }
2678             else if( p_ev->b_moved )
2679             {
2680 //                dvdnav_mouse_select( NULL, pci, valx.i_int, valy.i_int );
2681             }
2682
2683             p_ev->b_moved = VLC_FALSE;
2684             p_ev->b_clicked = VLC_FALSE;
2685             vlc_mutex_unlock( &p_ev->lock );
2686         }
2687
2688         /* VOUT part */
2689         if( p_vout && p_vout->b_die )
2690         {
2691             var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2692             var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2693             vlc_object_release( p_vout );
2694             p_vout = NULL;
2695         }
2696
2697         else if( p_vout == NULL )
2698         {
2699             p_vout = (vlc_object_t*) vlc_object_find( p_sys->p_input, VLC_OBJECT_VOUT,
2700                                       FIND_CHILD );
2701             if( p_vout)
2702             {
2703                 var_AddCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2704                 var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2705             }
2706         }
2707
2708         /* Wait a bit, 10ms */
2709         msleep( 10000 );
2710     }
2711
2712     /* Release callback */
2713     if( p_vout )
2714     {
2715         var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2716         var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2717         vlc_object_release( p_vout );
2718     }
2719     var_DelCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2720
2721     vlc_mutex_destroy( &p_ev->lock );
2722
2723     return VLC_SUCCESS;
2724 }
2725
2726 void matroska_segment_c::UnSelect( )
2727 {
2728     size_t i_track;
2729
2730     for( i_track = 0; i_track < tracks.size(); i_track++ )
2731     {
2732         if ( tracks[i_track]->p_es != NULL )
2733         {
2734 //            es_format_Clean( &tracks[i_track]->fmt );
2735             es_out_Del( sys.demuxer.out, tracks[i_track]->p_es );
2736             tracks[i_track]->p_es = NULL;
2737         }
2738     }
2739     delete ep;
2740     ep = NULL;
2741 }
2742
2743 void virtual_segment_c::PrepareChapters( )
2744 {
2745     if ( linked_segments.size() == 0 )
2746         return;
2747
2748     // !!! should be called only once !!!
2749     matroska_segment_c *p_segment;
2750     size_t i, j;
2751
2752     // copy editions from the first segment
2753     p_segment = linked_segments[0];
2754     p_editions = &p_segment->stored_editions;
2755
2756     for ( i=1 ; i<linked_segments.size(); i++ )
2757     {
2758         p_segment = linked_segments[i];
2759         // FIXME assume we have the same editions in all segments
2760         for (j=0; j<p_segment->stored_editions.size(); j++)
2761             (*p_editions)[j]->Append( *p_segment->stored_editions[j] );
2762     }
2763 }
2764
2765 std::string chapter_edition_c::GetMainName() const
2766 {
2767     if ( sub_chapters.size() )
2768     {
2769         return sub_chapters[0]->GetCodecName( true );
2770     }
2771     return "";
2772 }
2773
2774 int chapter_item_c::PublishChapters( input_title_t & title, int & i_user_chapters, int i_level )
2775 {
2776     // add support for meta-elements from codec like DVD Titles
2777     if ( !b_display_seekpoint || psz_name == "" )
2778     {
2779         psz_name = GetCodecName();
2780         if ( psz_name != "" )
2781             b_display_seekpoint = true;
2782     }
2783
2784     if (b_display_seekpoint)
2785     {
2786         seekpoint_t *sk = vlc_seekpoint_New();
2787
2788         sk->i_level = i_level;
2789         sk->i_time_offset = i_start_time;
2790         sk->psz_name = strdup( psz_name.c_str() );
2791
2792         // A start time of '0' is ok. A missing ChapterTime element is ok, too, because '0' is its default value.
2793         title.i_seekpoint++;
2794         title.seekpoint = (seekpoint_t**)realloc( title.seekpoint, title.i_seekpoint * sizeof( seekpoint_t* ) );
2795         title.seekpoint[title.i_seekpoint-1] = sk;
2796
2797         if ( b_user_display )
2798             i_user_chapters++;
2799     }
2800
2801     for ( size_t i=0; i<sub_chapters.size() ; i++)
2802     {
2803         sub_chapters[i]->PublishChapters( title, i_user_chapters, i_level+1 );
2804     }
2805
2806     i_seekpoint_num = i_user_chapters;
2807
2808     return i_user_chapters;
2809 }
2810
2811 bool virtual_segment_c::UpdateCurrentToChapter( demux_t & demux )
2812 {
2813     demux_sys_t & sys = *demux.p_sys;
2814     chapter_item_c *psz_curr_chapter;
2815     bool b_has_seeked = false;
2816
2817     /* update current chapter/seekpoint */
2818     if ( p_editions->size() )
2819     {
2820         /* 1st, we need to know in which chapter we are */
2821         psz_curr_chapter = (*p_editions)[i_current_edition]->FindTimecode( sys.i_pts, psz_current_chapter );
2822
2823         /* we have moved to a new chapter */
2824         if (psz_curr_chapter != NULL && psz_current_chapter != psz_curr_chapter)
2825         {
2826             if ( (*p_editions)[i_current_edition]->b_ordered )
2827             {
2828                 // Leave/Enter up to the link point
2829                 b_has_seeked = psz_curr_chapter->EnterAndLeave( psz_current_chapter );
2830                 if ( !b_has_seeked )
2831                 {
2832                     // only physically seek if necessary
2833                     if ( psz_current_chapter == NULL || (psz_current_chapter->i_end_time != psz_curr_chapter->i_start_time) )
2834                         Seek( demux, sys.i_pts, 0, psz_curr_chapter );
2835                 }
2836             }
2837
2838             if ( !b_has_seeked )
2839             {
2840                 psz_current_chapter = psz_curr_chapter;
2841                 if ( psz_curr_chapter->i_seekpoint_num > 0 )
2842                 {
2843                     demux.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
2844                     demux.info.i_title = sys.i_current_title = i_sys_title;
2845                     demux.info.i_seekpoint = psz_curr_chapter->i_seekpoint_num - 1;
2846                 }
2847             }
2848
2849             return true;
2850         }
2851         else if (psz_curr_chapter == NULL)
2852         {
2853             // out of the scope of the data described by chapters, leave the edition
2854             if ( (*p_editions)[i_current_edition]->b_ordered && psz_current_chapter != NULL )
2855             {
2856                 if ( !(*p_editions)[i_current_edition]->EnterAndLeave( psz_current_chapter, false ) )
2857                     psz_current_chapter = NULL;
2858                 else
2859                     return true;
2860             }
2861         }
2862     }
2863     return false;
2864 }
2865
2866 chapter_item_c *virtual_segment_c::BrowseCodecPrivate( unsigned int codec_id,
2867                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
2868                                     const void *p_cookie,
2869                                     size_t i_cookie_size )
2870 {
2871     // FIXME don't assume it is the first edition
2872     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
2873     if ( index != p_editions->end() )
2874     {
2875         chapter_item_c *p_result = (*index)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
2876         if ( p_result != NULL )
2877             return p_result;
2878     }
2879     return NULL;
2880 }
2881
2882 chapter_item_c *virtual_segment_c::FindChapter( int64_t i_find_uid )
2883 {
2884     // FIXME don't assume it is the first edition
2885     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
2886     if ( index != p_editions->end() )
2887     {
2888         chapter_item_c *p_result = (*index)->FindChapter( i_find_uid );
2889         if ( p_result != NULL )
2890             return p_result;
2891     }
2892     return NULL;
2893 }
2894
2895 chapter_item_c *chapter_item_c::BrowseCodecPrivate( unsigned int codec_id,
2896                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
2897                                     const void *p_cookie,
2898                                     size_t i_cookie_size )
2899 {
2900     // this chapter
2901     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2902     while ( index != codecs.end() )
2903     {
2904         if ( match( **index ,p_cookie, i_cookie_size ) )
2905             return this;
2906         index++;
2907     }
2908
2909     // sub-chapters
2910     chapter_item_c *p_result = NULL;
2911     std::vector<chapter_item_c*>::const_iterator index2 = sub_chapters.begin();
2912     while ( index2 != sub_chapters.end() )
2913     {
2914         p_result = (*index2)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
2915         if ( p_result != NULL )
2916             return p_result;
2917         index2++;
2918     }
2919
2920     return p_result;
2921 }
2922
2923 void chapter_item_c::Append( const chapter_item_c & chapter )
2924 {
2925     // we are appending content for the same chapter UID
2926     size_t i;
2927     chapter_item_c *p_chapter;
2928
2929     for ( i=0; i<chapter.sub_chapters.size(); i++ )
2930     {
2931         p_chapter = FindChapter( chapter.sub_chapters[i]->i_uid );
2932         if ( p_chapter != NULL )
2933         {
2934             p_chapter->Append( *chapter.sub_chapters[i] );
2935         }
2936         else
2937         {
2938             sub_chapters.push_back( chapter.sub_chapters[i] );
2939         }
2940     }
2941
2942     i_user_start_time = min( i_user_start_time, chapter.i_user_start_time );
2943     i_user_end_time = max( i_user_end_time, chapter.i_user_end_time );
2944 }
2945
2946 chapter_item_c * chapter_item_c::FindChapter( int64_t i_find_uid )
2947 {
2948     size_t i;
2949     chapter_item_c *p_result = NULL;
2950
2951     if ( i_uid == i_find_uid )
2952         return this;
2953
2954     for ( i=0; i<sub_chapters.size(); i++)
2955     {
2956         p_result = sub_chapters[i]->FindChapter( i_find_uid );
2957         if ( p_result != NULL )
2958             break;
2959     }
2960     return p_result;
2961 }
2962
2963 std::string chapter_item_c::GetCodecName( bool f_for_title ) const
2964 {
2965     std::string result;
2966
2967     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2968     while ( index != codecs.end() )
2969     {
2970         result = (*index)->GetCodecName( f_for_title );
2971         if ( result != "" )
2972             break;
2973         index++;
2974     }
2975
2976     return result;
2977 }
2978
2979 std::string dvd_chapter_codec_c::GetCodecName( bool f_for_title ) const
2980 {
2981     std::string result;
2982     if ( p_private_data->GetSize() >= 3)
2983     {
2984         const binary* p_data = p_private_data->GetBuffer();
2985 /*        if ( p_data[0] == MATROSKA_DVD_LEVEL_TT )
2986         {
2987             uint16_t i_title = (p_data[1] << 8) + p_data[2];
2988             char psz_str[11];
2989             sprintf( psz_str, " %d  ---", i_title );
2990             result = N_("---  DVD Title");
2991             result += psz_str;
2992         }
2993         else */ if ( p_data[0] == MATROSKA_DVD_LEVEL_LU )
2994         {
2995             char psz_str[11];
2996             sprintf( psz_str, " (%c%c)  ---", p_data[1], p_data[2] );
2997             result = N_("---  DVD Menu");
2998             result += psz_str;
2999         }
3000         else if ( p_data[0] == MATROSKA_DVD_LEVEL_SS && f_for_title )
3001         {
3002             if ( p_data[1] == 0x00 )
3003                 result = N_("First Played");
3004             else if ( p_data[1] == 0xC0 )
3005                 result = N_("Video Manager");
3006             else if ( p_data[1] == 0x80 )
3007             {
3008                 uint16_t i_title = (p_data[2] << 8) + p_data[3];
3009                 char psz_str[20];
3010                 sprintf( psz_str, " %d -----", i_title );
3011                 result = N_("----- Title");
3012                 result += psz_str;
3013             }
3014         }
3015     }
3016
3017     return result;
3018 }
3019
3020 int16 chapter_item_c::GetTitleNumber( ) const
3021 {
3022     int result = -1;
3023
3024     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
3025     while ( index != codecs.end() )
3026     {
3027         result = (*index)->GetTitleNumber( );
3028         if ( result >= 0 )
3029             break;
3030         index++;
3031     }
3032
3033     return result;
3034 }
3035
3036 int16 dvd_chapter_codec_c::GetTitleNumber()
3037 {
3038     if ( p_private_data->GetSize() >= 3)
3039     {
3040         const binary* p_data = p_private_data->GetBuffer();
3041         if ( p_data[0] == MATROSKA_DVD_LEVEL_SS )
3042         {
3043             return int16( (p_data[2] << 8) + p_data[3] );
3044         }
3045     }
3046     return -1;
3047 }
3048
3049 static void Seek( demux_t *p_demux, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter )
3050 {
3051     demux_sys_t        *p_sys = p_demux->p_sys;
3052     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3053     matroska_segment_c *p_segment = p_vsegment->Segment();
3054     mtime_t            i_time_offset = 0;
3055
3056     int         i_index;
3057
3058     msg_Dbg( p_demux, "seek request to "I64Fd" (%f%%)", i_date, f_percent );
3059     if( i_date < 0 && f_percent < 0 )
3060     {
3061         msg_Warn( p_demux, "cannot seek nowhere !" );
3062         return;
3063     }
3064     if( f_percent > 1.0 )
3065     {
3066         msg_Warn( p_demux, "cannot seek so far !" );
3067         return;
3068     }
3069
3070     /* seek without index or without date */
3071     if( f_percent >= 0 && (config_GetInt( p_demux, "mkv-seek-percent" ) || !p_segment->b_cues || i_date < 0 ))
3072     {
3073         if (p_sys->f_duration >= 0)
3074         {
3075             i_date = int64_t( f_percent * p_sys->f_duration * 1000.0 );
3076         }
3077         else
3078         {
3079             int64_t i_pos = int64_t( f_percent * stream_Size( p_demux->s ) );
3080
3081             msg_Dbg( p_demux, "inacurate way of seeking" );
3082             for( i_index = 0; i_index < p_segment->i_index; i_index++ )
3083             {
3084                 if( p_segment->p_indexes[i_index].i_position >= i_pos)
3085                 {
3086                     break;
3087                 }
3088             }
3089             if( i_index == p_segment->i_index )
3090             {
3091                 i_index--;
3092             }
3093
3094             i_date = p_segment->p_indexes[i_index].i_time;
3095
3096 #if 0
3097             if( p_segment->p_indexes[i_index].i_position < i_pos )
3098             {
3099                 EbmlElement *el;
3100
3101                 msg_Warn( p_demux, "searching for cluster, could take some time" );
3102
3103                 /* search a cluster */
3104                 while( ( el = p_sys->ep->Get() ) != NULL )
3105                 {
3106                     if( MKV_IS_ID( el, KaxCluster ) )
3107                     {
3108                         KaxCluster *cluster = (KaxCluster*)el;
3109
3110                         /* add it to the index */
3111                         p_segment->IndexAppendCluster( cluster );
3112
3113                         if( (int64_t)cluster->GetElementPosition() >= i_pos )
3114                         {
3115                             p_sys->cluster = cluster;
3116                             p_sys->ep->Down();
3117                             break;
3118                         }
3119                     }
3120                 }
3121             }
3122 #endif
3123         }
3124     }
3125
3126     p_vsegment->Seek( *p_demux, i_date, i_time_offset, psz_chapter );
3127 }
3128
3129 /*****************************************************************************
3130  * Demux: reads and demuxes data packets
3131  *****************************************************************************
3132  * Returns -1 in case of error, 0 in case of EOF, 1 otherwise
3133  *****************************************************************************/
3134 static int Demux( demux_t *p_demux)
3135 {
3136     demux_sys_t        *p_sys = p_demux->p_sys;
3137
3138     vlc_mutex_lock( &p_sys->lock_demuxer );
3139
3140     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3141     matroska_segment_c *p_segment = p_vsegment->Segment();
3142     if ( p_segment == NULL ) return 0;
3143     int                i_block_count = 0;
3144     int                i_return = 0;
3145
3146     for( ;; )
3147     {
3148         if ( p_sys->demuxer.b_die )
3149             break;
3150
3151         if( p_sys->i_pts >= p_sys->i_start_pts  )
3152             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3153             {
3154                 i_return = 1;
3155                 break;
3156             }
3157
3158         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3159         {
3160             /* nothing left to read in this ordered edition */
3161             if ( !p_vsegment->SelectNext() )
3162                 break;
3163             p_segment->UnSelect( );
3164
3165             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3166
3167             /* switch to the next segment */
3168             p_segment = p_vsegment->Segment();
3169             if ( !p_segment->Select( 0 ) )
3170             {
3171                 msg_Err( p_demux, "Failed to select new segment" );
3172                 break;
3173             }
3174             continue;
3175         }
3176
3177         KaxBlock *block;
3178         int64_t i_block_duration = 0;
3179         int64_t i_block_ref1;
3180         int64_t i_block_ref2;
3181
3182         if( p_segment->BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
3183         {
3184             if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered )
3185             {
3186                 const chapter_item_c *p_chap = p_vsegment->CurrentChapter();
3187                 // check if there are more chapters to read
3188                 if ( p_chap != NULL )
3189                 {
3190                     /* TODO handle successive chapters with the same user_start_time/user_end_time
3191                     if ( p_chap->i_user_start_time == p_chap->i_user_start_time )
3192                         p_vsegment->SelectNext();
3193                     */
3194                     p_sys->i_last_dts = p_sys->i_pts = p_chap->i_user_end_time;
3195                     p_sys->i_pts++; // trick to avoid staying on segments with no duration and no content
3196
3197                     i_return = 1;
3198                 }
3199
3200                 break;
3201             }
3202             else
3203             {
3204                 msg_Warn( p_demux, "cannot get block EOF?" );
3205                 p_segment->UnSelect( );
3206
3207                 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3208
3209                 /* switch to the next segment */
3210                 if ( !p_vsegment->SelectNext() )
3211                     // no more segments in this stream
3212                     break;
3213                 p_segment = p_vsegment->Segment();
3214                 if ( !p_segment->Select( 0 ) )
3215                 {
3216                     msg_Err( p_demux, "Failed to select new segment" );
3217                     break;
3218                 }
3219
3220                 continue;
3221             }
3222         }
3223
3224         mtime_t i_pts, i_dts;
3225
3226         mtime_t i_time = block->GlobalTimecode();
3227         if ( i_block_ref1 != 0 )
3228             i_time += min( 0, i_block_ref1 );
3229         if ( i_block_ref2 != 0 )
3230             i_time += min( 0, i_block_ref2 );
3231
3232         i_pts = (p_sys->i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
3233         i_dts = (p_sys->i_chapter_time + i_time) / (mtime_t) 1000;
3234
3235         if ( i_dts != i_pts && p_sys->i_last_dts >= i_dts )
3236             p_sys->i_last_dts += 200;
3237         else
3238             p_sys->i_last_dts = i_dts;
3239
3240         p_sys->i_pts = i_pts;
3241
3242         if( p_sys->i_pts >= p_sys->i_start_pts  )
3243         {
3244             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pts );
3245         }
3246
3247         if( i_pts >= p_sys->i_start_pts  )
3248             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3249             {
3250                 i_return = 1;
3251                 delete block;
3252                 break;
3253             }
3254
3255         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3256         {
3257             /* nothing left to read in this ordered edition */
3258             if ( !p_vsegment->SelectNext() )
3259             {
3260                 delete block;
3261                 break;
3262             }
3263             p_segment->UnSelect( );
3264
3265             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3266
3267             /* switch to the next segment */
3268             p_segment = p_vsegment->Segment();
3269             if ( !p_segment->Select( 0 ) )
3270             {
3271                 msg_Err( p_demux, "Failed to select new segment" );
3272                 delete block;
3273                 break;
3274             }
3275             delete block;
3276             continue;
3277         }
3278
3279         BlockDecode( p_demux, block, i_pts, i_block_duration );
3280
3281         delete block;
3282         i_block_count++;
3283
3284         // TODO optimize when there is need to leave or when seeking has been called
3285         if( i_block_count > 5 )
3286         {
3287             i_return = 1;
3288             break;
3289         }
3290     }
3291
3292     vlc_mutex_unlock( &p_sys->lock_demuxer );
3293
3294     return i_return;
3295 }
3296
3297
3298
3299 /*****************************************************************************
3300  * Stream managment
3301  *****************************************************************************/
3302 vlc_stream_io_callback::vlc_stream_io_callback( stream_t *s_, vlc_bool_t b_owner_ )
3303 {
3304     s = s_;
3305     b_owner = b_owner_;
3306     mb_eof = VLC_FALSE;
3307 }
3308
3309 uint32 vlc_stream_io_callback::read( void *p_buffer, size_t i_size )
3310 {
3311     if( i_size <= 0 || mb_eof )
3312     {
3313         return 0;
3314     }
3315
3316     return stream_Read( s, p_buffer, i_size );
3317 }
3318 void vlc_stream_io_callback::setFilePointer(int64_t i_offset, seek_mode mode )
3319 {
3320     int64_t i_pos;
3321
3322     switch( mode )
3323     {
3324         case seek_beginning:
3325             i_pos = i_offset;
3326             break;
3327         case seek_end:
3328             i_pos = stream_Size( s ) - i_offset;
3329             break;
3330         default:
3331             i_pos= stream_Tell( s ) + i_offset;
3332             break;
3333     }
3334
3335     if( i_pos < 0 || i_pos >= stream_Size( s ) )
3336     {
3337         mb_eof = VLC_TRUE;
3338         return;
3339     }
3340
3341     mb_eof = VLC_FALSE;
3342     if( stream_Seek( s, i_pos ) )
3343     {
3344         mb_eof = VLC_TRUE;
3345     }
3346     return;
3347 }
3348 size_t vlc_stream_io_callback::write( const void *p_buffer, size_t i_size )
3349 {
3350     return 0;
3351 }
3352 uint64 vlc_stream_io_callback::getFilePointer( void )
3353 {
3354     if ( s == NULL )
3355         return 0;
3356     return stream_Tell( s );
3357 }
3358 void vlc_stream_io_callback::close( void )
3359 {
3360     return;
3361 }
3362
3363
3364 /*****************************************************************************
3365  * Ebml Stream parser
3366  *****************************************************************************/
3367 EbmlParser::EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux )
3368 {
3369     int i;
3370
3371     m_es = es;
3372     m_got = NULL;
3373     m_el[0] = el_start;
3374     mi_remain_size[0] = el_start->GetSize();
3375
3376     for( i = 1; i < 6; i++ )
3377     {
3378         m_el[i] = NULL;
3379     }
3380     mi_level = 1;
3381     mi_user_level = 1;
3382     mb_keep = VLC_FALSE;
3383     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3384 }
3385
3386 EbmlParser::~EbmlParser( void )
3387 {
3388     int i;
3389
3390     for( i = 1; i < mi_level; i++ )
3391     {
3392         if( !mb_keep )
3393         {
3394             delete m_el[i];
3395         }
3396         mb_keep = VLC_FALSE;
3397     }
3398 }
3399
3400 EbmlElement* EbmlParser::UnGet( uint64 i_block_pos, uint64 i_cluster_pos )
3401 {
3402     if ( mi_user_level > mi_level )
3403     {
3404         while ( mi_user_level != mi_level )
3405         {
3406             delete m_el[mi_user_level];
3407             m_el[mi_user_level] = NULL;
3408             mi_user_level--;
3409         }
3410     }
3411     m_got = NULL;
3412     mb_keep = VLC_FALSE;
3413     if ( m_el[1]->GetElementPosition() == i_cluster_pos )
3414     {
3415         m_es->I_O().setFilePointer( i_block_pos, seek_beginning );
3416         return (EbmlMaster*) m_el[1];
3417     }
3418     else
3419     {
3420         // seek to the previous Cluster
3421         m_es->I_O().setFilePointer( i_cluster_pos, seek_beginning );
3422         mi_level--;
3423         mi_user_level--;
3424         delete m_el[mi_level];
3425         m_el[mi_level] = NULL;
3426         return NULL;
3427     }
3428 }
3429
3430 void EbmlParser::Up( void )
3431 {
3432     if( mi_user_level == mi_level )
3433     {
3434         fprintf( stderr," arrrrrrrrrrrrrg Up cannot escape itself\n" );
3435     }
3436
3437     mi_user_level--;
3438 }
3439
3440 void EbmlParser::Down( void )
3441 {
3442     mi_user_level++;
3443     mi_level++;
3444 }
3445
3446 void EbmlParser::Keep( void )
3447 {
3448     mb_keep = VLC_TRUE;
3449 }
3450
3451 int EbmlParser::GetLevel( void )
3452 {
3453     return mi_user_level;
3454 }
3455
3456 void EbmlParser::Reset( demux_t *p_demux )
3457 {
3458     while ( mi_level > 0)
3459     {
3460         delete m_el[mi_level];
3461         m_el[mi_level] = NULL;
3462         mi_level--;
3463     }
3464     mi_user_level = mi_level = 1;
3465 #if LIBEBML_VERSION >= 0x000704
3466     // a little faster and cleaner
3467     m_es->I_O().setFilePointer( static_cast<KaxSegment*>(m_el[0])->GetGlobalPosition(0) );
3468 #else
3469     m_es->I_O().setFilePointer( m_el[0]->GetElementPosition() + m_el[0]->ElementSize(true) - m_el[0]->GetSize() );
3470 #endif
3471     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3472 }
3473
3474 EbmlElement *EbmlParser::Get( void )
3475 {
3476     int i_ulev = 0;
3477
3478     if( mi_user_level != mi_level )
3479     {
3480         return NULL;
3481     }
3482     if( m_got )
3483     {
3484         EbmlElement *ret = m_got;
3485         m_got = NULL;
3486
3487         return ret;
3488     }
3489
3490     if( m_el[mi_level] )
3491     {
3492         m_el[mi_level]->SkipData( *m_es, m_el[mi_level]->Generic().Context );
3493         if( !mb_keep )
3494         {
3495             delete m_el[mi_level];
3496         }
3497         mb_keep = VLC_FALSE;
3498     }
3499
3500     m_el[mi_level] = m_es->FindNextElement( m_el[mi_level - 1]->Generic().Context, i_ulev, 0xFFFFFFFFL, mb_dummy != 0, 1 );
3501 //    mi_remain_size[mi_level] = m_el[mi_level]->GetSize();
3502     if( i_ulev > 0 )
3503     {
3504         while( i_ulev > 0 )
3505         {
3506             if( mi_level == 1 )
3507             {
3508                 mi_level = 0;
3509                 return NULL;
3510             }
3511
3512             delete m_el[mi_level - 1];
3513             m_got = m_el[mi_level -1] = m_el[mi_level];
3514             m_el[mi_level] = NULL;
3515
3516             mi_level--;
3517             i_ulev--;
3518         }
3519         return NULL;
3520     }
3521     else if( m_el[mi_level] == NULL )
3522     {
3523         fprintf( stderr," m_el[mi_level] == NULL\n" );
3524     }
3525
3526     return m_el[mi_level];
3527 }
3528
3529
3530 /*****************************************************************************
3531  * Tools
3532  *  * LoadCues : load the cues element and update index
3533  *
3534  *  * LoadTags : load ... the tags element
3535  *
3536  *  * InformationCreate : create all information, load tags if present
3537  *
3538  *****************************************************************************/
3539 void matroska_segment_c::LoadCues( )
3540 {
3541     int64_t     i_sav_position = es.I_O().getFilePointer();
3542     EbmlParser  *ep;
3543     EbmlElement *el, *cues;
3544
3545     /* *** Load the cue if found *** */
3546     if( i_cues_position < 0 )
3547     {
3548         msg_Warn( &sys.demuxer, "no cues/empty cues found->seek won't be precise" );
3549
3550 //        IndexAppendCluster( cluster );
3551     }
3552
3553     vlc_bool_t b_seekable;
3554
3555     stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
3556     if( !b_seekable )
3557         return;
3558
3559     msg_Dbg( &sys.demuxer, "loading cues" );
3560     es.I_O().setFilePointer( i_cues_position, seek_beginning );
3561     cues = es.FindNextID( KaxCues::ClassInfos, 0xFFFFFFFFL);
3562
3563     if( cues == NULL )
3564     {
3565         msg_Err( &sys.demuxer, "cannot load cues (broken seekhead or file)" );
3566         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3567         return;
3568     }
3569
3570     ep = new EbmlParser( &es, cues, &sys.demuxer );
3571     while( ( el = ep->Get() ) != NULL )
3572     {
3573         if( MKV_IS_ID( el, KaxCuePoint ) )
3574         {
3575 #define idx p_indexes[i_index]
3576
3577             idx.i_track       = -1;
3578             idx.i_block_number= -1;
3579             idx.i_position    = -1;
3580             idx.i_time        = 0;
3581             idx.b_key         = VLC_TRUE;
3582
3583             ep->Down();
3584             while( ( el = ep->Get() ) != NULL )
3585             {
3586                 if( MKV_IS_ID( el, KaxCueTime ) )
3587                 {
3588                     KaxCueTime &ctime = *(KaxCueTime*)el;
3589
3590                     ctime.ReadData( es.I_O() );
3591
3592                     idx.i_time = uint64( ctime ) * i_timescale / (mtime_t)1000;
3593                 }
3594                 else if( MKV_IS_ID( el, KaxCueTrackPositions ) )
3595                 {
3596                     ep->Down();
3597                     while( ( el = ep->Get() ) != NULL )
3598                     {
3599                         if( MKV_IS_ID( el, KaxCueTrack ) )
3600                         {
3601                             KaxCueTrack &ctrack = *(KaxCueTrack*)el;
3602
3603                             ctrack.ReadData( es.I_O() );
3604                             idx.i_track = uint16( ctrack );
3605                         }
3606                         else if( MKV_IS_ID( el, KaxCueClusterPosition ) )
3607                         {
3608                             KaxCueClusterPosition &ccpos = *(KaxCueClusterPosition*)el;
3609
3610                             ccpos.ReadData( es.I_O() );
3611                             idx.i_position = segment->GetGlobalPosition( uint64( ccpos ) );
3612                         }
3613                         else if( MKV_IS_ID( el, KaxCueBlockNumber ) )
3614                         {
3615                             KaxCueBlockNumber &cbnum = *(KaxCueBlockNumber*)el;
3616
3617                             cbnum.ReadData( es.I_O() );
3618                             idx.i_block_number = uint32( cbnum );
3619                         }
3620                         else
3621                         {
3622                             msg_Dbg( &sys.demuxer, "         * Unknown (%s)", typeid(*el).name() );
3623                         }
3624                     }
3625                     ep->Up();
3626                 }
3627                 else
3628                 {
3629                     msg_Dbg( &sys.demuxer, "     * Unknown (%s)", typeid(*el).name() );
3630                 }
3631             }
3632             ep->Up();
3633
3634 #if 0
3635             msg_Dbg( &sys.demuxer, " * added time="I64Fd" pos="I64Fd
3636                      " track=%d bnum=%d", idx.i_time, idx.i_position,
3637                      idx.i_track, idx.i_block_number );
3638 #endif
3639
3640             i_index++;
3641             if( i_index >= i_index_max )
3642             {
3643                 i_index_max += 1024;
3644                 p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
3645             }
3646 #undef idx
3647         }
3648         else
3649         {
3650             msg_Dbg( &sys.demuxer, " * Unknown (%s)", typeid(*el).name() );
3651         }
3652     }
3653     delete ep;
3654     delete cues;
3655
3656     b_cues = VLC_TRUE;
3657
3658     msg_Dbg( &sys.demuxer, "loading cues done." );
3659     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3660 }
3661
3662 void matroska_segment_c::LoadTags( )
3663 {
3664     int64_t     i_sav_position = es.I_O().getFilePointer();
3665     EbmlParser  *ep;
3666     EbmlElement *el, *tags;
3667
3668     msg_Dbg( &sys.demuxer, "loading tags" );
3669     es.I_O().setFilePointer( i_tags_position, seek_beginning );
3670     tags = es.FindNextID( KaxTags::ClassInfos, 0xFFFFFFFFL);
3671
3672     if( tags == NULL )
3673     {
3674         msg_Err( &sys.demuxer, "cannot load tags (broken seekhead or file)" );
3675         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3676         return;
3677     }
3678
3679     msg_Dbg( &sys.demuxer, "Tags" );
3680     ep = new EbmlParser( &es, tags, &sys.demuxer );
3681     while( ( el = ep->Get() ) != NULL )
3682     {
3683         if( MKV_IS_ID( el, KaxTag ) )
3684         {
3685             msg_Dbg( &sys.demuxer, "+ Tag" );
3686             ep->Down();
3687             while( ( el = ep->Get() ) != NULL )
3688             {
3689                 if( MKV_IS_ID( el, KaxTagTargets ) )
3690                 {
3691                     msg_Dbg( &sys.demuxer, "|   + Targets" );
3692                     ep->Down();
3693                     while( ( el = ep->Get() ) != NULL )
3694                     {
3695                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3696                     }
3697                     ep->Up();
3698                 }
3699                 else if( MKV_IS_ID( el, KaxTagGeneral ) )
3700                 {
3701                     msg_Dbg( &sys.demuxer, "|   + General" );
3702                     ep->Down();
3703                     while( ( el = ep->Get() ) != NULL )
3704                     {
3705                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3706                     }
3707                     ep->Up();
3708                 }
3709                 else if( MKV_IS_ID( el, KaxTagGenres ) )
3710                 {
3711                     msg_Dbg( &sys.demuxer, "|   + Genres" );
3712                     ep->Down();
3713                     while( ( el = ep->Get() ) != NULL )
3714                     {
3715                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3716                     }
3717                     ep->Up();
3718                 }
3719                 else if( MKV_IS_ID( el, KaxTagAudioSpecific ) )
3720                 {
3721                     msg_Dbg( &sys.demuxer, "|   + Audio Specific" );
3722                     ep->Down();
3723                     while( ( el = ep->Get() ) != NULL )
3724                     {
3725                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3726                     }
3727                     ep->Up();
3728                 }
3729                 else if( MKV_IS_ID( el, KaxTagImageSpecific ) )
3730                 {
3731                     msg_Dbg( &sys.demuxer, "|   + Images Specific" );
3732                     ep->Down();
3733                     while( ( el = ep->Get() ) != NULL )
3734                     {
3735                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3736                     }
3737                     ep->Up();
3738                 }
3739                 else if( MKV_IS_ID( el, KaxTagMultiComment ) )
3740                 {
3741                     msg_Dbg( &sys.demuxer, "|   + Multi Comment" );
3742                 }
3743                 else if( MKV_IS_ID( el, KaxTagMultiCommercial ) )
3744                 {
3745                     msg_Dbg( &sys.demuxer, "|   + Multi Commercial" );
3746                 }
3747                 else if( MKV_IS_ID( el, KaxTagMultiDate ) )
3748                 {
3749                     msg_Dbg( &sys.demuxer, "|   + Multi Date" );
3750                 }
3751                 else if( MKV_IS_ID( el, KaxTagMultiEntity ) )
3752                 {
3753                     msg_Dbg( &sys.demuxer, "|   + Multi Entity" );
3754                 }
3755                 else if( MKV_IS_ID( el, KaxTagMultiIdentifier ) )
3756                 {
3757                     msg_Dbg( &sys.demuxer, "|   + Multi Identifier" );
3758                 }
3759                 else if( MKV_IS_ID( el, KaxTagMultiLegal ) )
3760                 {
3761                     msg_Dbg( &sys.demuxer, "|   + Multi Legal" );
3762                 }
3763                 else if( MKV_IS_ID( el, KaxTagMultiTitle ) )
3764                 {
3765                     msg_Dbg( &sys.demuxer, "|   + Multi Title" );
3766                 }
3767                 else
3768                 {
3769                     msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid( *el ).name() );
3770                 }
3771             }
3772             ep->Up();
3773         }
3774         else
3775         {
3776             msg_Dbg( &sys.demuxer, "+ Unknown (%s)", typeid( *el ).name() );
3777         }
3778     }
3779     delete ep;
3780     delete tags;
3781
3782     msg_Dbg( &sys.demuxer, "loading tags done." );
3783     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3784 }
3785
3786 /*****************************************************************************
3787  * ParseSeekHead:
3788  *****************************************************************************/
3789 void matroska_segment_c::ParseSeekHead( KaxSeekHead *seekhead )
3790 {
3791     EbmlElement *el;
3792     size_t i, j;
3793     int i_upper_level = 0;
3794
3795     msg_Dbg( &sys.demuxer, "|   + Seek head" );
3796
3797     /* Master elements */
3798     seekhead->Read( es, seekhead->Generic().Context, i_upper_level, el, true );
3799
3800     for( i = 0; i < seekhead->ListSize(); i++ )
3801     {
3802         EbmlElement *l = (*seekhead)[i];
3803
3804         if( MKV_IS_ID( l, KaxSeek ) )
3805         {
3806             EbmlMaster *sk = static_cast<EbmlMaster *>(l);
3807             EbmlId id = EbmlVoid::ClassInfos.GlobalId;
3808             int64_t i_pos = -1;
3809
3810             for( j = 0; j < sk->ListSize(); j++ )
3811             {
3812                 EbmlElement *l = (*sk)[j];
3813
3814                 if( MKV_IS_ID( l, KaxSeekID ) )
3815                 {
3816                     KaxSeekID &sid = *(KaxSeekID*)l;
3817                     id = EbmlId( sid.GetBuffer(), sid.GetSize() );
3818                 }
3819                 else if( MKV_IS_ID( l, KaxSeekPosition ) )
3820                 {
3821                     KaxSeekPosition &spos = *(KaxSeekPosition*)l;
3822                     i_pos = uint64( spos );
3823                 }
3824                 else
3825                 {
3826                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
3827                 }
3828             }
3829
3830             if( i_pos >= 0 )
3831             {
3832                 if( id == KaxCues::ClassInfos.GlobalId )
3833                 {
3834                     msg_Dbg( &sys.demuxer, "|   |   |   = cues at "I64Fd, i_pos );
3835                     i_cues_position = segment->GetGlobalPosition( i_pos );
3836                 }
3837                 else if( id == KaxChapters::ClassInfos.GlobalId )
3838                 {
3839                     msg_Dbg( &sys.demuxer, "|   |   |   = chapters at "I64Fd, i_pos );
3840                     i_chapters_position = segment->GetGlobalPosition( i_pos );
3841                 }
3842                 else if( id == KaxTags::ClassInfos.GlobalId )
3843                 {
3844                     msg_Dbg( &sys.demuxer, "|   |   |   = tags at "I64Fd, i_pos );
3845                     i_tags_position = segment->GetGlobalPosition( i_pos );
3846                 }
3847             }
3848         }
3849         else
3850         {
3851             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
3852         }
3853     }
3854 }
3855
3856 /*****************************************************************************
3857  * ParseTrackEntry:
3858  *****************************************************************************/
3859 void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
3860 {
3861     size_t i, j, k, n;
3862
3863     mkv_track_t *tk;
3864
3865     msg_Dbg( &sys.demuxer, "|   |   + Track Entry" );
3866
3867     tk = new mkv_track_t();
3868     tracks.push_back( tk );
3869
3870     /* Init the track */
3871     memset( tk, 0, sizeof( mkv_track_t ) );
3872
3873     es_format_Init( &tk->fmt, UNKNOWN_ES, 0 );
3874     tk->fmt.psz_language = strdup("English");
3875     tk->fmt.psz_description = NULL;
3876
3877     tk->b_default = VLC_TRUE;
3878     tk->b_enabled = VLC_TRUE;
3879     tk->b_silent = VLC_FALSE;
3880     tk->i_number = tracks.size() - 1;
3881     tk->i_extra_data = 0;
3882     tk->p_extra_data = NULL;
3883     tk->psz_codec = NULL;
3884     tk->i_default_duration = 0;
3885     tk->f_timecodescale = 1.0;
3886
3887     tk->b_inited = VLC_FALSE;
3888     tk->i_data_init = 0;
3889     tk->p_data_init = NULL;
3890
3891     tk->psz_codec_name = NULL;
3892     tk->psz_codec_settings = NULL;
3893     tk->psz_codec_info_url = NULL;
3894     tk->psz_codec_download_url = NULL;
3895
3896     tk->i_compression_type = MATROSKA_COMPRESSION_NONE;
3897
3898     for( i = 0; i < m->ListSize(); i++ )
3899     {
3900         EbmlElement *l = (*m)[i];
3901
3902         if( MKV_IS_ID( l, KaxTrackNumber ) )
3903         {
3904             KaxTrackNumber &tnum = *(KaxTrackNumber*)l;
3905
3906             tk->i_number = uint32( tnum );
3907             msg_Dbg( &sys.demuxer, "|   |   |   + Track Number=%u", uint32( tnum ) );
3908         }
3909         else  if( MKV_IS_ID( l, KaxTrackUID ) )
3910         {
3911             KaxTrackUID &tuid = *(KaxTrackUID*)l;
3912
3913             msg_Dbg( &sys.demuxer, "|   |   |   + Track UID=%u",  uint32( tuid ) );
3914         }
3915         else  if( MKV_IS_ID( l, KaxTrackType ) )
3916         {
3917             char *psz_type;
3918             KaxTrackType &ttype = *(KaxTrackType*)l;
3919
3920             switch( uint8(ttype) )
3921             {
3922                 case track_audio:
3923                     psz_type = "audio";
3924                     tk->fmt.i_cat = AUDIO_ES;
3925                     break;
3926                 case track_video:
3927                     psz_type = "video";
3928                     tk->fmt.i_cat = VIDEO_ES;
3929                     break;
3930                 case track_subtitle:
3931                     psz_type = "subtitle";
3932                     tk->fmt.i_cat = SPU_ES;
3933                     break;
3934                 case track_buttons:
3935                     psz_type = "buttons";
3936                     tk->fmt.i_cat = SPU_ES;
3937                     break;
3938                 default:
3939                     psz_type = "unknown";
3940                     tk->fmt.i_cat = UNKNOWN_ES;
3941                     break;
3942             }
3943
3944             msg_Dbg( &sys.demuxer, "|   |   |   + Track Type=%s", psz_type );
3945         }
3946 //        else  if( EbmlId( *l ) == KaxTrackFlagEnabled::ClassInfos.GlobalId )
3947 //        {
3948 //            KaxTrackFlagEnabled &fenb = *(KaxTrackFlagEnabled*)l;
3949
3950 //            tk->b_enabled = uint32( fenb );
3951 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Enabled=%u",
3952 //                     uint32( fenb )  );
3953 //        }
3954         else  if( MKV_IS_ID( l, KaxTrackFlagDefault ) )
3955         {
3956             KaxTrackFlagDefault &fdef = *(KaxTrackFlagDefault*)l;
3957
3958             tk->b_default = uint32( fdef );
3959             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default=%u", uint32( fdef )  );
3960         }
3961         else  if( MKV_IS_ID( l, KaxTrackFlagLacing ) )
3962         {
3963             KaxTrackFlagLacing &lac = *(KaxTrackFlagLacing*)l;
3964
3965             msg_Dbg( &sys.demuxer, "|   |   |   + Track Lacing=%d", uint32( lac ) );
3966         }
3967         else  if( MKV_IS_ID( l, KaxTrackMinCache ) )
3968         {
3969             KaxTrackMinCache &cmin = *(KaxTrackMinCache*)l;
3970
3971             msg_Dbg( &sys.demuxer, "|   |   |   + Track MinCache=%d", uint32( cmin ) );
3972         }
3973         else  if( MKV_IS_ID( l, KaxTrackMaxCache ) )
3974         {
3975             KaxTrackMaxCache &cmax = *(KaxTrackMaxCache*)l;
3976
3977             msg_Dbg( &sys.demuxer, "|   |   |   + Track MaxCache=%d", uint32( cmax ) );
3978         }
3979         else  if( MKV_IS_ID( l, KaxTrackDefaultDuration ) )
3980         {
3981             KaxTrackDefaultDuration &defd = *(KaxTrackDefaultDuration*)l;
3982
3983             tk->i_default_duration = uint64(defd);
3984             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default Duration="I64Fd, uint64(defd) );
3985         }
3986         else  if( MKV_IS_ID( l, KaxTrackTimecodeScale ) )
3987         {
3988             KaxTrackTimecodeScale &ttcs = *(KaxTrackTimecodeScale*)l;
3989
3990             tk->f_timecodescale = float( ttcs );
3991             msg_Dbg( &sys.demuxer, "|   |   |   + Track TimeCodeScale=%f", tk->f_timecodescale );
3992         }
3993         else if( MKV_IS_ID( l, KaxTrackName ) )
3994         {
3995             KaxTrackName &tname = *(KaxTrackName*)l;
3996
3997             tk->fmt.psz_description = ToUTF8( UTFstring( tname ) );
3998             msg_Dbg( &sys.demuxer, "|   |   |   + Track Name=%s", tk->fmt.psz_description );
3999         }
4000         else  if( MKV_IS_ID( l, KaxTrackLanguage ) )
4001         {
4002             KaxTrackLanguage &lang = *(KaxTrackLanguage*)l;
4003
4004             if ( tk->fmt.psz_language != NULL )
4005                 free( tk->fmt.psz_language );
4006             tk->fmt.psz_language = strdup( string( lang ).c_str() );
4007             msg_Dbg( &sys.demuxer,
4008                      "|   |   |   + Track Language=`%s'", tk->fmt.psz_language );
4009         }
4010         else  if( MKV_IS_ID( l, KaxCodecID ) )
4011         {
4012             KaxCodecID &codecid = *(KaxCodecID*)l;
4013
4014             tk->psz_codec = strdup( string( codecid ).c_str() );
4015             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecId=%s", string( codecid ).c_str() );
4016         }
4017         else  if( MKV_IS_ID( l, KaxCodecPrivate ) )
4018         {
4019             KaxCodecPrivate &cpriv = *(KaxCodecPrivate*)l;
4020
4021             tk->i_extra_data = cpriv.GetSize();
4022             if( tk->i_extra_data > 0 )
4023             {
4024                 tk->p_extra_data = (uint8_t*)malloc( tk->i_extra_data );
4025                 memcpy( tk->p_extra_data, cpriv.GetBuffer(), tk->i_extra_data );
4026             }
4027             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecPrivate size="I64Fd, cpriv.GetSize() );
4028         }
4029         else if( MKV_IS_ID( l, KaxCodecName ) )
4030         {
4031             KaxCodecName &cname = *(KaxCodecName*)l;
4032
4033             tk->psz_codec_name = ToUTF8( UTFstring( cname ) );
4034             msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Name=%s", tk->psz_codec_name );
4035         }
4036         else if( MKV_IS_ID( l, KaxContentEncodings ) )
4037         {
4038             EbmlMaster *cencs = static_cast<EbmlMaster*>(l);
4039             MkvTree( sys.demuxer, 3, "Content Encodings" );
4040             for( j = 0; j < cencs->ListSize(); j++ )
4041             {
4042                 EbmlElement *l2 = (*cencs)[j];
4043                 if( MKV_IS_ID( l2, KaxContentEncoding ) )
4044                 {
4045                     MkvTree( sys.demuxer, 4, "Content Encoding" );
4046                     EbmlMaster *cenc = static_cast<EbmlMaster*>(l2);
4047                     for( k = 0; k < cenc->ListSize(); k++ )
4048                     {
4049                         EbmlElement *l3 = (*cenc)[k];
4050                         if( MKV_IS_ID( l3, KaxContentEncodingOrder ) )
4051                         {
4052                             KaxContentEncodingOrder &encord = *(KaxContentEncodingOrder*)l3;
4053                             MkvTree( sys.demuxer, 5, "Order: %i", uint32( encord ) );
4054                         }
4055                         else if( MKV_IS_ID( l3, KaxContentEncodingScope ) )
4056                         {
4057                             KaxContentEncodingScope &encscope = *(KaxContentEncodingScope*)l3;
4058                             MkvTree( sys.demuxer, 5, "Scope: %i", uint32( encscope ) );
4059                         }
4060                         else if( MKV_IS_ID( l3, KaxContentEncodingType ) )
4061                         {
4062                             KaxContentEncodingType &enctype = *(KaxContentEncodingType*)l3;
4063                             MkvTree( sys.demuxer, 5, "Type: %i", uint32( enctype ) );
4064                         }
4065                         else if( MKV_IS_ID( l3, KaxContentCompression ) )
4066                         {
4067                             EbmlMaster *compr = static_cast<EbmlMaster*>(l3);
4068                             MkvTree( sys.demuxer, 5, "Content Compression" );
4069                             for( n = 0; n < compr->ListSize(); n++ )
4070                             {
4071                                 EbmlElement *l4 = (*compr)[n];
4072                                 if( MKV_IS_ID( l4, KaxContentCompAlgo ) )
4073                                 {
4074                                     KaxContentCompAlgo &compalg = *(KaxContentCompAlgo*)l4;
4075                                     MkvTree( sys.demuxer, 6, "Compression Algorithm: %i", uint32(compalg) );
4076                                     if( uint32( compalg ) == 0 )
4077                                     {
4078                                         tk->i_compression_type = MATROSKA_COMPRESSION_ZLIB;
4079                                     }
4080                                 }
4081                                 else
4082                                 {
4083                                     MkvTree( sys.demuxer, 6, "Unknown (%s)", typeid(*l4).name() );
4084                                 }
4085                             }
4086                         }
4087
4088                         else
4089                         {
4090                             MkvTree( sys.demuxer, 5, "Unknown (%s)", typeid(*l3).name() );
4091                         }
4092                     }
4093
4094                 }
4095                 else
4096                 {
4097                     MkvTree( sys.demuxer, 4, "Unknown (%s)", typeid(*l2).name() );
4098                 }
4099             }
4100
4101         }
4102 //        else if( EbmlId( *l ) == KaxCodecSettings::ClassInfos.GlobalId )
4103 //        {
4104 //            KaxCodecSettings &cset = *(KaxCodecSettings*)l;
4105
4106 //            tk->psz_codec_settings = ToUTF8( UTFstring( cset ) );
4107 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Settings=%s", tk->psz_codec_settings );
4108 //        }
4109 //        else if( EbmlId( *l ) == KaxCodecInfoURL::ClassInfos.GlobalId )
4110 //        {
4111 //            KaxCodecInfoURL &ciurl = *(KaxCodecInfoURL*)l;
4112
4113 //            tk->psz_codec_info_url = strdup( string( ciurl ).c_str() );
4114 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_info_url );
4115 //        }
4116 //        else if( EbmlId( *l ) == KaxCodecDownloadURL::ClassInfos.GlobalId )
4117 //        {
4118 //            KaxCodecDownloadURL &cdurl = *(KaxCodecDownloadURL*)l;
4119
4120 //            tk->psz_codec_download_url = strdup( string( cdurl ).c_str() );
4121 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_download_url );
4122 //        }
4123 //        else if( EbmlId( *l ) == KaxCodecDecodeAll::ClassInfos.GlobalId )
4124 //        {
4125 //            KaxCodecDecodeAll &cdall = *(KaxCodecDecodeAll*)l;
4126
4127 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Decode All=%u <== UNUSED", uint8( cdall ) );
4128 //        }
4129 //        else if( EbmlId( *l ) == KaxTrackOverlay::ClassInfos.GlobalId )
4130 //        {
4131 //            KaxTrackOverlay &tovr = *(KaxTrackOverlay*)l;
4132
4133 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Overlay=%u <== UNUSED", uint32( tovr ) );
4134 //        }
4135         else  if( MKV_IS_ID( l, KaxTrackVideo ) )
4136         {
4137             EbmlMaster *tkv = static_cast<EbmlMaster*>(l);
4138             unsigned int j;
4139
4140             msg_Dbg( &sys.demuxer, "|   |   |   + Track Video" );
4141             tk->f_fps = 0.0;
4142
4143             tk->fmt.video.i_frame_rate_base = (unsigned int)(tk->i_default_duration / 1000);
4144             tk->fmt.video.i_frame_rate = 1000000;
4145
4146             for( j = 0; j < tkv->ListSize(); j++ )
4147             {
4148                 EbmlElement *l = (*tkv)[j];
4149 //                if( EbmlId( *el4 ) == KaxVideoFlagInterlaced::ClassInfos.GlobalId )
4150 //                {
4151 //                    KaxVideoFlagInterlaced &fint = *(KaxVideoFlagInterlaced*)el4;
4152
4153 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Interlaced=%u", uint8( fint ) );
4154 //                }
4155 //                else if( EbmlId( *el4 ) == KaxVideoStereoMode::ClassInfos.GlobalId )
4156 //                {
4157 //                    KaxVideoStereoMode &stereo = *(KaxVideoStereoMode*)el4;
4158
4159 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Stereo Mode=%u", uint8( stereo ) );
4160 //                }
4161 //                else
4162                 if( MKV_IS_ID( l, KaxVideoPixelWidth ) )
4163                 {
4164                     KaxVideoPixelWidth &vwidth = *(KaxVideoPixelWidth*)l;
4165
4166                     tk->fmt.video.i_width = uint16( vwidth );
4167                     msg_Dbg( &sys.demuxer, "|   |   |   |   + width=%d", uint16( vwidth ) );
4168                 }
4169                 else if( MKV_IS_ID( l, KaxVideoPixelHeight ) )
4170                 {
4171                     KaxVideoPixelWidth &vheight = *(KaxVideoPixelWidth*)l;
4172
4173                     tk->fmt.video.i_height = uint16( vheight );
4174                     msg_Dbg( &sys.demuxer, "|   |   |   |   + height=%d", uint16( vheight ) );
4175                 }
4176                 else if( MKV_IS_ID( l, KaxVideoDisplayWidth ) )
4177                 {
4178                     KaxVideoDisplayWidth &vwidth = *(KaxVideoDisplayWidth*)l;
4179
4180                     tk->fmt.video.i_visible_width = uint16( vwidth );
4181                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display width=%d", uint16( vwidth ) );
4182                 }
4183                 else if( MKV_IS_ID( l, KaxVideoDisplayHeight ) )
4184                 {
4185                     KaxVideoDisplayWidth &vheight = *(KaxVideoDisplayWidth*)l;
4186
4187                     tk->fmt.video.i_visible_height = uint16( vheight );
4188                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display height=%d", uint16( vheight ) );
4189                 }
4190                 else if( MKV_IS_ID( l, KaxVideoFrameRate ) )
4191                 {
4192                     KaxVideoFrameRate &vfps = *(KaxVideoFrameRate*)l;
4193
4194                     tk->f_fps = float( vfps );
4195                     msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( vfps ) );
4196                 }
4197 //                else if( EbmlId( *l ) == KaxVideoDisplayUnit::ClassInfos.GlobalId )
4198 //                {
4199 //                     KaxVideoDisplayUnit &vdmode = *(KaxVideoDisplayUnit*)l;
4200
4201 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Display Unit=%s",
4202 //                             uint8( vdmode ) == 0 ? "pixels" : ( uint8( vdmode ) == 1 ? "centimeters": "inches" ) );
4203 //                }
4204 //                else if( EbmlId( *l ) == KaxVideoAspectRatio::ClassInfos.GlobalId )
4205 //                {
4206 //                    KaxVideoAspectRatio &ratio = *(KaxVideoAspectRatio*)l;
4207
4208 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + Track Video Aspect Ratio Type=%u", uint8( ratio ) );
4209 //                }
4210 //                else if( EbmlId( *l ) == KaxVideoGamma::ClassInfos.GlobalId )
4211 //                {
4212 //                    KaxVideoGamma &gamma = *(KaxVideoGamma*)l;
4213
4214 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( gamma ) );
4215 //                }
4216                 else
4217                 {
4218                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4219                 }
4220             }
4221             if ( tk->fmt.video.i_visible_height && tk->fmt.video.i_visible_width )
4222                 tk->fmt.video.i_aspect = VOUT_ASPECT_FACTOR * tk->fmt.video.i_visible_width / tk->fmt.video.i_visible_height;
4223         }
4224         else  if( MKV_IS_ID( l, KaxTrackAudio ) )
4225         {
4226             EbmlMaster *tka = static_cast<EbmlMaster*>(l);
4227             unsigned int j;
4228
4229             msg_Dbg( &sys.demuxer, "|   |   |   + Track Audio" );
4230
4231             for( j = 0; j < tka->ListSize(); j++ )
4232             {
4233                 EbmlElement *l = (*tka)[j];
4234
4235                 if( MKV_IS_ID( l, KaxAudioSamplingFreq ) )
4236                 {
4237                     KaxAudioSamplingFreq &afreq = *(KaxAudioSamplingFreq*)l;
4238
4239                     tk->fmt.audio.i_rate = (int)float( afreq );
4240                     msg_Dbg( &sys.demuxer, "|   |   |   |   + afreq=%d", tk->fmt.audio.i_rate );
4241                 }
4242                 else if( MKV_IS_ID( l, KaxAudioChannels ) )
4243                 {
4244                     KaxAudioChannels &achan = *(KaxAudioChannels*)l;
4245
4246                     tk->fmt.audio.i_channels = uint8( achan );
4247                     msg_Dbg( &sys.demuxer, "|   |   |   |   + achan=%u", uint8( achan ) );
4248                 }
4249                 else if( MKV_IS_ID( l, KaxAudioBitDepth ) )
4250                 {
4251                     KaxAudioBitDepth &abits = *(KaxAudioBitDepth*)l;
4252
4253                     tk->fmt.audio.i_bitspersample = uint8( abits );
4254                     msg_Dbg( &sys.demuxer, "|   |   |   |   + abits=%u", uint8( abits ) );
4255                 }
4256                 else
4257                 {
4258                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4259                 }
4260             }
4261         }
4262         else
4263         {
4264             msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)",
4265                      typeid(*l).name() );
4266         }
4267     }
4268 }
4269
4270 /*****************************************************************************
4271  * ParseTracks:
4272  *****************************************************************************/
4273 void matroska_segment_c::ParseTracks( KaxTracks *tracks )
4274 {
4275     EbmlElement *el;
4276     unsigned int i;
4277     int i_upper_level = 0;
4278
4279     msg_Dbg( &sys.demuxer, "|   + Tracks" );
4280
4281     /* Master elements */
4282     tracks->Read( es, tracks->Generic().Context, i_upper_level, el, true );
4283
4284     for( i = 0; i < tracks->ListSize(); i++ )
4285     {
4286         EbmlElement *l = (*tracks)[i];
4287
4288         if( MKV_IS_ID( l, KaxTrackEntry ) )
4289         {
4290             ParseTrackEntry( static_cast<KaxTrackEntry *>(l) );
4291         }
4292         else
4293         {
4294             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4295         }
4296     }
4297 }
4298
4299 /*****************************************************************************
4300  * ParseInfo:
4301  *****************************************************************************/
4302 void matroska_segment_c::ParseInfo( KaxInfo *info )
4303 {
4304     EbmlElement *el;
4305     EbmlMaster  *m;
4306     size_t i, j;
4307     int i_upper_level = 0;
4308
4309     msg_Dbg( &sys.demuxer, "|   + Information" );
4310
4311     /* Master elements */
4312     m = static_cast<EbmlMaster *>(info);
4313     m->Read( es, info->Generic().Context, i_upper_level, el, true );
4314
4315     for( i = 0; i < m->ListSize(); i++ )
4316     {
4317         EbmlElement *l = (*m)[i];
4318
4319         if( MKV_IS_ID( l, KaxSegmentUID ) )
4320         {
4321             if ( p_segment_uid == NULL )
4322                 p_segment_uid = new KaxSegmentUID(*static_cast<KaxSegmentUID*>(l));
4323
4324             msg_Dbg( &sys.demuxer, "|   |   + UID=%d", *(uint32*)p_segment_uid->GetBuffer() );
4325         }
4326         else if( MKV_IS_ID( l, KaxPrevUID ) )
4327         {
4328             if ( p_prev_segment_uid == NULL )
4329                 p_prev_segment_uid = new KaxPrevUID(*static_cast<KaxPrevUID*>(l));
4330
4331             msg_Dbg( &sys.demuxer, "|   |   + PrevUID=%d", *(uint32*)p_prev_segment_uid->GetBuffer() );
4332         }
4333         else if( MKV_IS_ID( l, KaxNextUID ) )
4334         {
4335             if ( p_next_segment_uid == NULL )
4336                 p_next_segment_uid = new KaxNextUID(*static_cast<KaxNextUID*>(l));
4337
4338             msg_Dbg( &sys.demuxer, "|   |   + NextUID=%d", *(uint32*)p_next_segment_uid->GetBuffer() );
4339         }
4340         else if( MKV_IS_ID( l, KaxTimecodeScale ) )
4341         {
4342             KaxTimecodeScale &tcs = *(KaxTimecodeScale*)l;
4343
4344             i_timescale = uint64(tcs);
4345
4346             msg_Dbg( &sys.demuxer, "|   |   + TimecodeScale="I64Fd,
4347                      i_timescale );
4348         }
4349         else if( MKV_IS_ID( l, KaxDuration ) )
4350         {
4351             KaxDuration &dur = *(KaxDuration*)l;
4352
4353             i_duration = mtime_t( double( dur ) );
4354
4355             msg_Dbg( &sys.demuxer, "|   |   + Duration="I64Fd,
4356                      i_duration );
4357         }
4358         else if( MKV_IS_ID( l, KaxMuxingApp ) )
4359         {
4360             KaxMuxingApp &mapp = *(KaxMuxingApp*)l;
4361
4362             psz_muxing_application = ToUTF8( UTFstring( mapp ) );
4363
4364             msg_Dbg( &sys.demuxer, "|   |   + Muxing Application=%s",
4365                      psz_muxing_application );
4366         }
4367         else if( MKV_IS_ID( l, KaxWritingApp ) )
4368         {
4369             KaxWritingApp &wapp = *(KaxWritingApp*)l;
4370
4371             psz_writing_application = ToUTF8( UTFstring( wapp ) );
4372
4373             msg_Dbg( &sys.demuxer, "|   |   + Writing Application=%s",
4374                      psz_writing_application );
4375         }
4376         else if( MKV_IS_ID( l, KaxSegmentFilename ) )
4377         {
4378             KaxSegmentFilename &sfn = *(KaxSegmentFilename*)l;
4379
4380             psz_segment_filename = ToUTF8( UTFstring( sfn ) );
4381
4382             msg_Dbg( &sys.demuxer, "|   |   + Segment Filename=%s",
4383                      psz_segment_filename );
4384         }
4385         else if( MKV_IS_ID( l, KaxTitle ) )
4386         {
4387             KaxTitle &title = *(KaxTitle*)l;
4388
4389             psz_title = ToUTF8( UTFstring( title ) );
4390
4391             msg_Dbg( &sys.demuxer, "|   |   + Title=%s", psz_title );
4392         }
4393         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
4394         {
4395             KaxSegmentFamily *uid = static_cast<KaxSegmentFamily*>(l);
4396
4397             families.push_back( new KaxSegmentFamily(*uid) );
4398
4399             msg_Dbg( &sys.demuxer, "|   |   + family=%d", *(uint32*)uid->GetBuffer() );
4400         }
4401 #if defined( HAVE_GMTIME_R ) && !defined( SYS_DARWIN )
4402         else if( MKV_IS_ID( l, KaxDateUTC ) )
4403         {
4404             KaxDateUTC &date = *(KaxDateUTC*)l;
4405             time_t i_date;
4406             struct tm tmres;
4407             char   buffer[256];
4408
4409             i_date = date.GetEpochDate();
4410             memset( buffer, 0, 256 );
4411             if( gmtime_r( &i_date, &tmres ) &&
4412                 asctime_r( &tmres, buffer ) )
4413             {
4414                 buffer[strlen( buffer)-1]= '\0';
4415                 psz_date_utc = strdup( buffer );
4416                 msg_Dbg( &sys.demuxer, "|   |   + Date=%s", psz_date_utc );
4417             }
4418         }
4419 #endif
4420 #if LIBMATROSKA_VERSION >= 0x000704
4421         else if( MKV_IS_ID( l, KaxChapterTranslate ) )
4422         {
4423             KaxChapterTranslate *p_trans = static_cast<KaxChapterTranslate*>( l );
4424             chapter_translation_c *p_translate = new chapter_translation_c();
4425
4426             p_trans->Read( es, p_trans->Generic().Context, i_upper_level, el, true );
4427             for( j = 0; j < p_trans->ListSize(); j++ )
4428             {
4429                 EbmlElement *l = (*p_trans)[j];
4430
4431                 if( MKV_IS_ID( l, KaxChapterTranslateEditionUID ) )
4432                 {
4433                     p_translate->editions.push_back( uint64( *static_cast<KaxChapterTranslateEditionUID*>( l ) ) );
4434                 }
4435                 else if( MKV_IS_ID( l, KaxChapterTranslateCodec ) )
4436                 {
4437                     p_translate->codec_id = uint32( *static_cast<KaxChapterTranslateCodec*>( l ) );
4438                 }
4439                 else if( MKV_IS_ID( l, KaxChapterTranslateID ) )
4440                 {
4441                     p_translate->p_translated = new KaxChapterTranslateID( *static_cast<KaxChapterTranslateID*>( l ) );
4442                 }
4443             }
4444
4445             translations.push_back( p_translate );
4446         }
4447 #endif
4448         else
4449         {
4450             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4451         }
4452     }
4453
4454     double f_dur = double(i_duration) * double(i_timescale) / 1000000.0;
4455     i_duration = mtime_t(f_dur);
4456 }
4457
4458
4459 /*****************************************************************************
4460  * ParseChapterAtom
4461  *****************************************************************************/
4462 void matroska_segment_c::ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters )
4463 {
4464     size_t i, j;
4465
4466     msg_Dbg( &sys.demuxer, "|   |   |   + ChapterAtom (level=%d)", i_level );
4467     for( i = 0; i < ca->ListSize(); i++ )
4468     {
4469         EbmlElement *l = (*ca)[i];
4470
4471         if( MKV_IS_ID( l, KaxChapterUID ) )
4472         {
4473             chapters.i_uid = uint64_t(*(KaxChapterUID*)l);
4474             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterUID: %lld", chapters.i_uid );
4475         }
4476         else if( MKV_IS_ID( l, KaxChapterFlagHidden ) )
4477         {
4478             KaxChapterFlagHidden &flag =*(KaxChapterFlagHidden*)l;
4479             chapters.b_display_seekpoint = uint8( flag ) == 0;
4480
4481             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterFlagHidden: %s", chapters.b_display_seekpoint ? "no":"yes" );
4482         }
4483         else if( MKV_IS_ID( l, KaxChapterTimeStart ) )
4484         {
4485             KaxChapterTimeStart &start =*(KaxChapterTimeStart*)l;
4486             chapters.i_start_time = uint64( start ) / I64C(1000);
4487
4488             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeStart: %lld", chapters.i_start_time );
4489         }
4490         else if( MKV_IS_ID( l, KaxChapterTimeEnd ) )
4491         {
4492             KaxChapterTimeEnd &end =*(KaxChapterTimeEnd*)l;
4493             chapters.i_end_time = uint64( end ) / I64C(1000);
4494
4495             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeEnd: %lld", chapters.i_end_time );
4496         }
4497         else if( MKV_IS_ID( l, KaxChapterDisplay ) )
4498         {
4499             EbmlMaster *cd = static_cast<EbmlMaster *>(l);
4500
4501             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterDisplay" );
4502             for( j = 0; j < cd->ListSize(); j++ )
4503             {
4504                 EbmlElement *l= (*cd)[j];
4505
4506                 if( MKV_IS_ID( l, KaxChapterString ) )
4507                 {
4508                     int k;
4509
4510                     KaxChapterString &name =*(KaxChapterString*)l;
4511                     for (k = 0; k < i_level; k++)
4512                         chapters.psz_name += '+';
4513                     chapters.psz_name += ' ';
4514                     char *psz_tmp_utf8 = ToUTF8( UTFstring( name ) );
4515                     chapters.psz_name += psz_tmp_utf8;
4516                     chapters.b_user_display = true;
4517
4518                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterString '%s'", psz_tmp_utf8 );
4519                     free( psz_tmp_utf8 );
4520                 }
4521                 else if( MKV_IS_ID( l, KaxChapterLanguage ) )
4522                 {
4523                     KaxChapterLanguage &lang =*(KaxChapterLanguage*)l;
4524                     const char *psz = string( lang ).c_str();
4525
4526                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterLanguage '%s'", psz );
4527                 }
4528                 else if( MKV_IS_ID( l, KaxChapterCountry ) )
4529                 {
4530                     KaxChapterCountry &ct =*(KaxChapterCountry*)l;
4531                     const char *psz = string( ct ).c_str();
4532
4533                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterCountry '%s'", psz );
4534                 }
4535             }
4536         }
4537         else if( MKV_IS_ID( l, KaxChapterProcess ) )
4538         {
4539             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterProcess" );
4540
4541             KaxChapterProcess *cp = static_cast<KaxChapterProcess *>(l);
4542             chapter_codec_cmds_c *p_ccodec = NULL;
4543
4544             for( j = 0; j < cp->ListSize(); j++ )
4545             {
4546                 EbmlElement *k= (*cp)[j];
4547
4548                 if( MKV_IS_ID( k, KaxChapterProcessCodecID ) )
4549                 {
4550                     KaxChapterProcessCodecID *p_codec_id = static_cast<KaxChapterProcessCodecID*>( k );
4551                     if ( uint32(*p_codec_id) == 0 )
4552                         p_ccodec = new matroska_script_codec_c( sys );
4553                     else if ( uint32(*p_codec_id) == 1 )
4554                         p_ccodec = new dvd_chapter_codec_c( sys );
4555                     break;
4556                 }
4557             }
4558
4559             if ( p_ccodec != NULL )
4560             {
4561                 for( j = 0; j < cp->ListSize(); j++ )
4562                 {
4563                     EbmlElement *k= (*cp)[j];
4564
4565                     if( MKV_IS_ID( k, KaxChapterProcessPrivate ) )
4566                     {
4567                         KaxChapterProcessPrivate * p_private = static_cast<KaxChapterProcessPrivate*>( k );
4568                         p_ccodec->SetPrivate( *p_private );
4569                     }
4570                     else if( MKV_IS_ID( k, KaxChapterProcessCommand ) )
4571                     {
4572                         p_ccodec->AddCommand( *static_cast<KaxChapterProcessCommand*>( k ) );
4573                     }
4574                 }
4575                 chapters.codecs.push_back( p_ccodec );
4576             }
4577         }
4578         else if( MKV_IS_ID( l, KaxChapterAtom ) )
4579         {
4580             chapter_item_c *new_sub_chapter = new chapter_item_c();
4581             ParseChapterAtom( i_level+1, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4582             new_sub_chapter->psz_parent = &chapters;
4583             chapters.sub_chapters.push_back( new_sub_chapter );
4584         }
4585     }
4586 }
4587
4588 /*****************************************************************************
4589  * ParseChapters:
4590  *****************************************************************************/
4591 void matroska_segment_c::ParseChapters( KaxChapters *chapters )
4592 {
4593     EbmlElement *el;
4594     size_t i;
4595     int i_upper_level = 0;
4596     mtime_t i_dur;
4597
4598     /* Master elements */
4599     chapters->Read( es, chapters->Generic().Context, i_upper_level, el, true );
4600
4601     for( i = 0; i < chapters->ListSize(); i++ )
4602     {
4603         EbmlElement *l = (*chapters)[i];
4604
4605         if( MKV_IS_ID( l, KaxEditionEntry ) )
4606         {
4607             chapter_edition_c *p_edition = new chapter_edition_c();
4608
4609             EbmlMaster *E = static_cast<EbmlMaster *>(l );
4610             size_t j;
4611             msg_Dbg( &sys.demuxer, "|   |   + EditionEntry" );
4612             for( j = 0; j < E->ListSize(); j++ )
4613             {
4614                 EbmlElement *l = (*E)[j];
4615
4616                 if( MKV_IS_ID( l, KaxChapterAtom ) )
4617                 {
4618                     chapter_item_c *new_sub_chapter = new chapter_item_c();
4619                     ParseChapterAtom( 0, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4620                     p_edition->sub_chapters.push_back( new_sub_chapter );
4621                 }
4622                 else if( MKV_IS_ID( l, KaxEditionUID ) )
4623                 {
4624                     p_edition->i_uid = uint64(*static_cast<KaxEditionUID *>( l ));
4625                 }
4626                 else if( MKV_IS_ID( l, KaxEditionFlagOrdered ) )
4627                 {
4628                     p_edition->b_ordered = config_GetInt( &sys.demuxer, "mkv-use-ordered-chapters" ) ? (uint8(*static_cast<KaxEditionFlagOrdered *>( l )) != 0) : 0;
4629                 }
4630                 else if( MKV_IS_ID( l, KaxEditionFlagDefault ) )
4631                 {
4632                     if (uint8(*static_cast<KaxEditionFlagDefault *>( l )) != 0)
4633                         i_default_edition = stored_editions.size();
4634                 }
4635                 else
4636                 {
4637                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
4638                 }
4639             }
4640             stored_editions.push_back( p_edition );
4641         }
4642         else
4643         {
4644             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4645         }
4646     }
4647
4648     for( i = 0; i < stored_editions.size(); i++ )
4649     {
4650         stored_editions[i]->RefreshChapters( );
4651     }
4652
4653     if ( stored_editions.size() != 0 && stored_editions[i_default_edition]->b_ordered )
4654     {
4655         /* update the duration of the segment according to the sum of all sub chapters */
4656         i_dur = stored_editions[i_default_edition]->Duration() / I64C(1000);
4657         if (i_dur > 0)
4658             i_duration = i_dur;
4659     }
4660 }
4661
4662 void matroska_segment_c::ParseCluster( )
4663 {
4664     EbmlElement *el;
4665     EbmlMaster  *m;
4666     unsigned int i;
4667     int i_upper_level = 0;
4668
4669     /* Master elements */
4670     m = static_cast<EbmlMaster *>( cluster );
4671     m->Read( es, cluster->Generic().Context, i_upper_level, el, true );
4672
4673     for( i = 0; i < m->ListSize(); i++ )
4674     {
4675         EbmlElement *l = (*m)[i];
4676
4677         if( MKV_IS_ID( l, KaxClusterTimecode ) )
4678         {
4679             KaxClusterTimecode &ctc = *(KaxClusterTimecode*)l;
4680
4681             cluster->InitTimecode( uint64( ctc ), i_timescale );
4682             break;
4683         }
4684     }
4685
4686     i_start_time = cluster->GlobalTimecode() / 1000;
4687 }
4688
4689 /*****************************************************************************
4690  * InformationCreate:
4691  *****************************************************************************/
4692 void matroska_segment_c::InformationCreate( )
4693 {
4694     size_t      i_track;
4695
4696     sys.meta = vlc_meta_New();
4697
4698     if( psz_title )
4699     {
4700         vlc_meta_Add( sys.meta, VLC_META_TITLE, psz_title );
4701     }
4702     if( psz_date_utc )
4703     {
4704         vlc_meta_Add( sys.meta, VLC_META_DATE, psz_date_utc );
4705     }
4706     if( psz_segment_filename )
4707     {
4708         vlc_meta_Add( sys.meta, _("Segment filename"), psz_segment_filename );
4709     }
4710     if( psz_muxing_application )
4711     {
4712         vlc_meta_Add( sys.meta, _("Muxing application"), psz_muxing_application );
4713     }
4714     if( psz_writing_application )
4715     {
4716         vlc_meta_Add( sys.meta, _("Writing application"), psz_writing_application );
4717     }
4718
4719     for( i_track = 0; i_track < tracks.size(); i_track++ )
4720     {
4721         mkv_track_t *tk = tracks[i_track];
4722         vlc_meta_t *mtk = vlc_meta_New();
4723
4724         sys.meta->track = (vlc_meta_t**)realloc( sys.meta->track,
4725                                                     sizeof( vlc_meta_t * ) * ( sys.meta->i_track + 1 ) );
4726         sys.meta->track[sys.meta->i_track++] = mtk;
4727
4728         if( tk->fmt.psz_description )
4729         {
4730             vlc_meta_Add( sys.meta, VLC_META_DESCRIPTION, tk->fmt.psz_description );
4731         }
4732         if( tk->psz_codec_name )
4733         {
4734             vlc_meta_Add( sys.meta, VLC_META_CODEC_NAME, tk->psz_codec_name );
4735         }
4736         if( tk->psz_codec_settings )
4737         {
4738             vlc_meta_Add( sys.meta, VLC_META_SETTING, tk->psz_codec_settings );
4739         }
4740         if( tk->psz_codec_info_url )
4741         {
4742             vlc_meta_Add( sys.meta, VLC_META_CODEC_DESCRIPTION, tk->psz_codec_info_url );
4743         }
4744         if( tk->psz_codec_download_url )
4745         {
4746             vlc_meta_Add( sys.meta, VLC_META_URL, tk->psz_codec_download_url );
4747         }
4748     }
4749
4750     if( i_tags_position >= 0 )
4751     {
4752         vlc_bool_t b_seekable;
4753
4754         stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
4755         if( b_seekable )
4756         {
4757             LoadTags( );
4758         }
4759     }
4760 }
4761
4762
4763 /*****************************************************************************
4764  * Divers
4765  *****************************************************************************/
4766
4767 void matroska_segment_c::IndexAppendCluster( KaxCluster *cluster )
4768 {
4769 #define idx p_indexes[i_index]
4770     idx.i_track       = -1;
4771     idx.i_block_number= -1;
4772     idx.i_position    = cluster->GetElementPosition();
4773     idx.i_time        = -1;
4774     idx.b_key         = VLC_TRUE;
4775
4776     i_index++;
4777     if( i_index >= i_index_max )
4778     {
4779         i_index_max += 1024;
4780         p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
4781     }
4782 #undef idx
4783 }
4784
4785 void chapter_edition_c::RefreshChapters( )
4786 {
4787     chapter_item_c::RefreshChapters( b_ordered, -1 );
4788     b_display_seekpoint = false;
4789 }
4790
4791 int64_t chapter_item_c::RefreshChapters( bool b_ordered, int64_t i_prev_user_time )
4792 {
4793     int64_t i_user_time = i_prev_user_time;
4794
4795     // first the sub-chapters, and then ourself
4796     std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
4797     while ( index != sub_chapters.end() )
4798     {
4799         i_user_time = (*index)->RefreshChapters( b_ordered, i_user_time );
4800         index++;
4801     }
4802
4803     if ( b_ordered )
4804     {
4805         // the ordered chapters always start at zero
4806         if ( i_prev_user_time == -1 )
4807         {
4808             if ( i_user_time == -1 )
4809                 i_user_time = 0;
4810             i_prev_user_time = 0;
4811         }
4812
4813         i_user_start_time = i_prev_user_time;
4814         if ( i_end_time != -1 && i_user_time == i_prev_user_time )
4815         {
4816             i_user_end_time = i_user_start_time - i_start_time + i_end_time;
4817         }
4818         else
4819         {
4820             i_user_end_time = i_user_time;
4821         }
4822     }
4823     else
4824     {
4825         if ( sub_chapters.begin() != sub_chapters.end() )
4826             std::sort( sub_chapters.begin(), sub_chapters.end(), chapter_item_c::CompareTimecode );
4827         i_user_start_time = i_start_time;
4828         if ( i_end_time != -1 )
4829             i_user_end_time = i_end_time;
4830         else if ( i_user_time != -1 )
4831             i_user_end_time = i_user_time;
4832         else
4833             i_user_end_time = i_user_start_time;
4834     }
4835
4836     return i_user_end_time;
4837 }
4838
4839 mtime_t chapter_edition_c::Duration() const
4840 {
4841     mtime_t i_result = 0;
4842
4843     if ( sub_chapters.size() )
4844     {
4845         std::vector<chapter_item_c*>::const_iterator index = sub_chapters.end();
4846         index--;
4847         i_result = (*index)->i_user_end_time;
4848     }
4849
4850     return i_result;
4851 }
4852
4853 chapter_item_c * chapter_edition_c::FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current )
4854 {
4855     if ( !b_ordered )
4856         p_current = NULL;
4857     bool b_found_current = false;
4858     return chapter_item_c::FindTimecode( i_timecode, p_current, b_found_current );
4859 }
4860
4861 chapter_item_c *chapter_item_c::FindTimecode( mtime_t i_user_timecode, const chapter_item_c * p_current, bool & b_found )
4862 {
4863     chapter_item_c *psz_result = NULL;
4864
4865     if ( p_current == this )
4866         b_found = true;
4867
4868     if ( i_user_timecode >= i_user_start_time &&
4869         ( i_user_timecode < i_user_end_time ||
4870           ( i_user_start_time == i_user_end_time && i_user_timecode == i_user_end_time )))
4871     {
4872         std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
4873         while ( index != sub_chapters.end() && ((p_current == NULL && psz_result == NULL) || (p_current != NULL && (!b_found || psz_result == NULL))))
4874         {
4875             psz_result = (*index)->FindTimecode( i_user_timecode, p_current, b_found );
4876             index++;
4877         }
4878
4879         if ( psz_result == NULL )
4880             psz_result = this;
4881     }
4882
4883     return psz_result;
4884 }
4885
4886 bool chapter_item_c::ParentOf( const chapter_item_c & item ) const
4887 {
4888     if ( &item == this )
4889         return true;
4890
4891     std::vector<chapter_item_c*>::const_iterator index = sub_chapters.begin();
4892     while ( index != sub_chapters.end() )
4893     {
4894         if ( (*index)->ParentOf( item ) )
4895             return true;
4896         index++;
4897     }
4898
4899     return false;
4900 }
4901
4902 void demux_sys_t::PreloadFamily( const matroska_segment_c & of_segment )
4903 {
4904     for (size_t i=0; i<opened_segments.size(); i++)
4905     {
4906         opened_segments[i]->PreloadFamily( of_segment );
4907     }
4908 }
4909 bool matroska_segment_c::PreloadFamily( const matroska_segment_c & of_segment )
4910 {
4911     if ( b_preloaded )
4912         return false;
4913
4914     for (size_t i=0; i<families.size(); i++)
4915     {
4916         for (size_t j=0; j<of_segment.families.size(); j++)
4917         {
4918             if ( *(families[i]) == *(of_segment.families[j]) )
4919                 return Preload( );
4920         }
4921     }
4922
4923     return false;
4924 }
4925
4926 // preload all the linked segments for all preloaded segments
4927 void demux_sys_t::PreloadLinked( matroska_segment_c *p_segment )
4928 {
4929     size_t i_preloaded, i, j;
4930     virtual_segment_c *p_seg;
4931
4932     p_current_segment = VirtualFromSegments( p_segment );
4933
4934     used_segments.push_back( p_current_segment );
4935
4936     // create all the other virtual segments of the family
4937     do {
4938         i_preloaded = 0;
4939         for ( i=0; i< opened_segments.size(); i++ )
4940         {
4941             if ( opened_segments[i]->b_preloaded && !IsUsedSegment( *opened_segments[i] ) )
4942             {
4943                 p_seg = VirtualFromSegments( opened_segments[i] );
4944                 used_segments.push_back( p_seg );
4945                 i_preloaded++;
4946             }
4947         }
4948     } while ( i_preloaded ); // worst case: will stop when all segments are found as family related
4949
4950     // publish all editions of all usable segment
4951     for ( i=0; i< used_segments.size(); i++ )
4952     {
4953         p_seg = used_segments[i];
4954         if ( p_seg->p_editions != NULL )
4955         {
4956             std::string sz_name;
4957             input_title_t *p_title = vlc_input_title_New();
4958             p_seg->i_sys_title = i;
4959             int i_chapters;
4960
4961             // TODO use a name for each edition, let the TITLE deal with a codec name
4962             for ( j=0; j<p_seg->p_editions->size(); j++ )
4963             {
4964                 if ( p_title->psz_name == NULL )
4965                 {
4966                     sz_name = (*p_seg->p_editions)[j]->GetMainName();
4967                     if ( sz_name != "" )
4968                         p_title->psz_name = strdup( sz_name.c_str() );
4969                 }
4970
4971                 chapter_edition_c *p_edition = (*p_seg->p_editions)[j];
4972
4973                 i_chapters = 0;
4974                 p_edition->PublishChapters( *p_title, i_chapters, 0 );
4975             }
4976
4977             // create a name if there is none
4978             if ( p_title->psz_name == NULL )
4979             {
4980                 sz_name = N_("Segment ");
4981                 char psz_str[6];
4982                 sprintf( psz_str, "%d", (int)i );
4983                 sz_name += psz_str;
4984                 p_title->psz_name = strdup( sz_name.c_str() );
4985             }
4986
4987             titles.push_back( p_title );
4988         }
4989     }
4990
4991     // TODO decide which segment should be first used (VMG for DVD)
4992 }
4993
4994 bool demux_sys_t::IsUsedSegment( matroska_segment_c &segment ) const
4995 {
4996     for ( size_t i=0; i< used_segments.size(); i++ )
4997     {
4998         if ( used_segments[i]->FindUID( *segment.p_segment_uid ) )
4999             return true;
5000     }
5001     return false;
5002 }
5003
5004 virtual_segment_c *demux_sys_t::VirtualFromSegments( matroska_segment_c *p_segment ) const
5005 {
5006     size_t i_preloaded, i;
5007
5008     virtual_segment_c *p_result = new virtual_segment_c( p_segment );
5009
5010     // fill our current virtual segment with all hard linked segments
5011     do {
5012         i_preloaded = 0;
5013         for ( i=0; i< opened_segments.size(); i++ )
5014         {
5015             i_preloaded += p_result->AddSegment( opened_segments[i] );
5016         }
5017     } while ( i_preloaded ); // worst case: will stop when all segments are found as linked
5018
5019     p_result->Sort( );
5020
5021     p_result->PreloadLinked( );
5022
5023     p_result->PrepareChapters( );
5024
5025     return p_result;
5026 }
5027
5028 bool demux_sys_t::PreparePlayback( virtual_segment_c *p_new_segment )
5029 {
5030     if ( p_new_segment != NULL && p_new_segment != p_current_segment )
5031     {
5032         if ( p_current_segment != NULL && p_current_segment->Segment() != NULL )
5033             p_current_segment->Segment()->UnSelect();
5034
5035         p_current_segment = p_new_segment;
5036         i_current_title = p_new_segment->i_sys_title;
5037     }
5038
5039     p_current_segment->LoadCues();
5040     f_duration = p_current_segment->Duration();
5041
5042     /* add information */
5043     p_current_segment->Segment()->InformationCreate( );
5044
5045     p_current_segment->Segment()->Select( 0 );
5046
5047     return true;
5048 }
5049
5050 void demux_sys_t::JumpTo( virtual_segment_c & vsegment, chapter_item_c * p_chapter )
5051 {
5052     // if the segment is not part of the current segment, select the new one
5053     if ( &vsegment != p_current_segment )
5054     {
5055         PreparePlayback( &vsegment );
5056     }
5057
5058     if ( p_chapter != NULL )
5059     {
5060         if ( !p_chapter->Enter( true ) )
5061         {
5062             // jump to the location in the found segment
5063             vsegment.Seek( demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5064         }
5065     }
5066
5067 }
5068
5069 bool matroska_segment_c::CompareSegmentUIDs( const matroska_segment_c * p_item_a, const matroska_segment_c * p_item_b )
5070 {
5071     if ( p_item_a == NULL || p_item_b == NULL )
5072         return false;
5073
5074     EbmlBinary * p_itema = (EbmlBinary *)(p_item_a->p_segment_uid);
5075     if ( p_item_b->p_prev_segment_uid != NULL && *p_itema == *p_item_b->p_prev_segment_uid )
5076         return true;
5077
5078     p_itema = (EbmlBinary *)(&p_item_a->p_next_segment_uid);
5079     if ( p_item_b->p_segment_uid != NULL && *p_itema == *p_item_b->p_segment_uid )
5080         return true;
5081
5082     if ( p_item_b->p_prev_segment_uid != NULL && *p_itema == *p_item_b->p_prev_segment_uid )
5083         return true;
5084
5085     return false;
5086 }
5087
5088 bool matroska_segment_c::Preload( )
5089 {
5090     if ( b_preloaded )
5091         return false;
5092
5093     EbmlElement *el = NULL;
5094
5095     ep->Reset( &sys.demuxer );
5096
5097     while( ( el = ep->Get() ) != NULL )
5098     {
5099         if( MKV_IS_ID( el, KaxInfo ) )
5100         {
5101             ParseInfo( static_cast<KaxInfo*>( el ) );
5102         }
5103         else if( MKV_IS_ID( el, KaxTracks ) )
5104         {
5105             ParseTracks( static_cast<KaxTracks*>( el ) );
5106         }
5107         else if( MKV_IS_ID( el, KaxSeekHead ) )
5108         {
5109             ParseSeekHead( static_cast<KaxSeekHead*>( el ) );
5110         }
5111         else if( MKV_IS_ID( el, KaxCues ) )
5112         {
5113             msg_Dbg( &sys.demuxer, "|   + Cues" );
5114         }
5115         else if( MKV_IS_ID( el, KaxCluster ) )
5116         {
5117             msg_Dbg( &sys.demuxer, "|   + Cluster" );
5118
5119             cluster = (KaxCluster*)el;
5120
5121             i_cluster_pos = i_start_pos = cluster->GetElementPosition();
5122             ParseCluster( );
5123
5124             ep->Down();
5125             /* stop parsing the stream */
5126             break;
5127         }
5128         else if( MKV_IS_ID( el, KaxAttachments ) )
5129         {
5130             msg_Dbg( &sys.demuxer, "|   + Attachments FIXME (but probably never supported)" );
5131         }
5132         else if( MKV_IS_ID( el, KaxChapters ) )
5133         {
5134             msg_Dbg( &sys.demuxer, "|   + Chapters" );
5135             ParseChapters( static_cast<KaxChapters*>( el ) );
5136         }
5137         else if( MKV_IS_ID( el, KaxTag ) )
5138         {
5139             msg_Dbg( &sys.demuxer, "|   + Tags FIXME TODO" );
5140         }
5141         else
5142         {
5143             msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid(*el).name() );
5144         }
5145     }
5146
5147     b_preloaded = true;
5148
5149     return true;
5150 }
5151
5152 matroska_segment_c *demux_sys_t::FindSegment( const EbmlBinary & uid ) const
5153 {
5154     for (size_t i=0; i<opened_segments.size(); i++)
5155     {
5156         if ( *opened_segments[i]->p_segment_uid == uid )
5157             return opened_segments[i];
5158     }
5159     return NULL;
5160 }
5161
5162 chapter_item_c *demux_sys_t::BrowseCodecPrivate( unsigned int codec_id,
5163                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
5164                                         const void *p_cookie,
5165                                         size_t i_cookie_size,
5166                                         virtual_segment_c * &p_segment_found )
5167 {
5168     chapter_item_c *p_result = NULL;
5169     for (size_t i=0; i<used_segments.size(); i++)
5170     {
5171         p_result = used_segments[i]->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
5172         if ( p_result != NULL )
5173         {
5174             p_segment_found = used_segments[i];
5175             break;
5176         }
5177     }
5178     return p_result;
5179 }
5180
5181 chapter_item_c *demux_sys_t::FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found )
5182 {
5183     chapter_item_c *p_result = NULL;
5184     for (size_t i=0; i<used_segments.size(); i++)
5185     {
5186         p_result = used_segments[i]->FindChapter( i_find_uid );
5187         if ( p_result != NULL )
5188         {
5189             p_segment_found = used_segments[i];
5190             break;
5191         }
5192     }
5193     return p_result;
5194 }
5195
5196 void virtual_segment_c::Sort()
5197 {
5198     // keep the current segment index
5199     matroska_segment_c *p_segment = linked_segments[i_current_segment];
5200
5201     std::sort( linked_segments.begin(), linked_segments.end(), matroska_segment_c::CompareSegmentUIDs );
5202
5203     for ( i_current_segment=0; i_current_segment<linked_segments.size(); i_current_segment++)
5204         if ( linked_segments[i_current_segment] == p_segment )
5205             break;
5206 }
5207
5208 size_t virtual_segment_c::AddSegment( matroska_segment_c *p_segment )
5209 {
5210     size_t i;
5211     // check if it's not already in here
5212     for ( i=0; i<linked_segments.size(); i++ )
5213     {
5214         if ( *p_segment->p_segment_uid == *linked_segments[i]->p_segment_uid )
5215             return 0;
5216     }
5217
5218     // find possible mates
5219     for ( i=0; i<linked_uids.size(); i++ )
5220     {
5221         if (   (p_segment->p_segment_uid != NULL && *p_segment->p_segment_uid == linked_uids[i])
5222             || (p_segment->p_prev_segment_uid != NULL && *p_segment->p_prev_segment_uid == linked_uids[i])
5223             || (p_segment->p_next_segment_uid !=NULL && *p_segment->p_next_segment_uid == linked_uids[i]) )
5224         {
5225             linked_segments.push_back( p_segment );
5226
5227             AppendUID( p_segment->p_prev_segment_uid );
5228             AppendUID( p_segment->p_next_segment_uid );
5229
5230             return 1;
5231         }
5232     }
5233     return 0;
5234 }
5235
5236 void virtual_segment_c::PreloadLinked( )
5237 {
5238     for ( size_t i=0; i<linked_segments.size(); i++ )
5239     {
5240         linked_segments[i]->Preload( );
5241     }
5242     i_current_edition = linked_segments[0]->i_default_edition;
5243 }
5244
5245 mtime_t virtual_segment_c::Duration() const
5246 {
5247     mtime_t i_duration;
5248     if ( linked_segments.size() == 0 )
5249         i_duration = 0;
5250     else {
5251         matroska_segment_c *p_last_segment = linked_segments[linked_segments.size()-1];
5252 //        p_last_segment->ParseCluster( );
5253
5254         i_duration = p_last_segment->i_start_time / 1000 + p_last_segment->i_duration;
5255     }
5256     return i_duration;
5257 }
5258
5259 void virtual_segment_c::LoadCues( )
5260 {
5261     for ( size_t i=0; i<linked_segments.size(); i++ )
5262     {
5263         linked_segments[i]->LoadCues();
5264     }
5265 }
5266
5267 void virtual_segment_c::AppendUID( const EbmlBinary * p_UID )
5268 {
5269     if ( p_UID == NULL )
5270         return;
5271     if ( p_UID->GetBuffer() == NULL )
5272         return;
5273
5274     for (size_t i=0; i<linked_uids.size(); i++)
5275     {
5276         if ( *p_UID == linked_uids[i] )
5277             return;
5278     }
5279     linked_uids.push_back( *(KaxSegmentUID*)(p_UID) );
5280 }
5281
5282 void matroska_segment_c::Seek( mtime_t i_date, mtime_t i_time_offset )
5283 {
5284     KaxBlock    *block;
5285     int         i_track_skipping;
5286     int64_t     i_block_duration;
5287     int64_t     i_block_ref1;
5288     int64_t     i_block_ref2;
5289     size_t      i_track;
5290     int64_t     i_seek_position = i_start_pos;
5291     int64_t     i_seek_time = i_start_time;
5292
5293     if ( i_index > 0 )
5294     {
5295         int i_idx = 0;
5296
5297         for( ; i_idx < i_index; i_idx++ )
5298         {
5299             if( p_indexes[i_idx].i_time + i_time_offset > i_date )
5300             {
5301                 break;
5302             }
5303         }
5304
5305         if( i_idx > 0 )
5306         {
5307             i_idx--;
5308         }
5309
5310         i_seek_position = p_indexes[i_idx].i_position;
5311         i_seek_time = p_indexes[i_idx].i_time;
5312     }
5313
5314     msg_Dbg( &sys.demuxer, "seek got "I64Fd" (%d%%)",
5315                 i_seek_time, (int)( 100 * i_seek_position / stream_Size( sys.demuxer.s ) ) );
5316
5317     es.I_O().setFilePointer( i_seek_position, seek_beginning );
5318
5319     delete ep;
5320     ep = new EbmlParser( &es, segment, &sys.demuxer );
5321     cluster = NULL;
5322
5323     sys.i_start_pts = i_date;
5324
5325     es_out_Control( sys.demuxer.out, ES_OUT_RESET_PCR );
5326
5327     /* now parse until key frame */
5328     i_track_skipping = 0;
5329     for( i_track = 0; i_track < tracks.size(); i_track++ )
5330     {
5331         if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5332         {
5333             tracks[i_track]->b_search_keyframe = VLC_TRUE;
5334             i_track_skipping++;
5335         }
5336         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_date );
5337     }
5338
5339
5340     while( i_track_skipping > 0 )
5341     {
5342         if( BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
5343         {
5344             msg_Warn( &sys.demuxer, "cannot get block EOF?" );
5345
5346             return;
5347         }
5348         ep->Down();
5349
5350         for( i_track = 0; i_track < tracks.size(); i_track++ )
5351         {
5352             if( tracks[i_track]->i_number == block->TrackNum() )
5353             {
5354                 break;
5355             }
5356         }
5357
5358         sys.i_last_dts = sys.i_pts = (sys.i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
5359
5360         if( i_track < tracks.size() )
5361         {
5362            if( sys.i_pts >= sys.i_start_pts )
5363             {
5364                 cluster = static_cast<KaxCluster*>(ep->UnGet( i_block_pos, i_cluster_pos ));
5365                 i_track_skipping = 0;
5366             }
5367             else if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5368             {
5369                 if( i_block_ref1 == 0 && tracks[i_track]->b_search_keyframe )
5370                 {
5371                     tracks[i_track]->b_search_keyframe = VLC_FALSE;
5372                     i_track_skipping--;
5373                 }
5374                 if( !tracks[i_track]->b_search_keyframe )
5375                 {
5376                     BlockDecode( &sys.demuxer, block, sys.i_pts, 0 );
5377                 }
5378             }
5379         }
5380
5381         delete block;
5382     }
5383 }
5384
5385 void virtual_segment_c::Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter )
5386 {
5387     demux_sys_t *p_sys = demuxer.p_sys;
5388     size_t i;
5389
5390     // find the actual time for an ordered edition
5391     if ( psz_chapter == NULL )
5392     {
5393         if ( Edition() && Edition()->b_ordered )
5394         {
5395             /* 1st, we need to know in which chapter we are */
5396             psz_chapter = (*p_editions)[i_current_edition]->FindTimecode( i_date, psz_current_chapter );
5397         }
5398     }
5399
5400     if ( psz_chapter != NULL )
5401     {
5402         psz_current_chapter = psz_chapter;
5403         p_sys->i_chapter_time = i_time_offset = psz_chapter->i_user_start_time - psz_chapter->i_start_time;
5404         if ( psz_chapter->i_seekpoint_num > 0 )
5405         {
5406             demuxer.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
5407             demuxer.info.i_title = p_sys->i_current_title = i_sys_title;
5408             demuxer.info.i_seekpoint = psz_chapter->i_seekpoint_num - 1;
5409         }
5410     }
5411
5412     // find the best matching segment
5413     for ( i=0; i<linked_segments.size(); i++ )
5414     {
5415         if ( i_date < linked_segments[i]->i_start_time )
5416             break;
5417     }
5418
5419     if ( i > 0 )
5420         i--;
5421
5422     if ( i_current_segment != i  )
5423     {
5424         linked_segments[i_current_segment]->UnSelect();
5425         linked_segments[i]->Select( i_date );
5426         i_current_segment = i;
5427     }
5428
5429     linked_segments[i]->Seek( i_date, i_time_offset );
5430 }
5431
5432 void chapter_codec_cmds_c::AddCommand( const KaxChapterProcessCommand & command )
5433 {
5434     size_t i;
5435
5436     uint32 codec_time = uint32(-1);
5437     for( i = 0; i < command.ListSize(); i++ )
5438     {
5439         const EbmlElement *k = command[i];
5440
5441         if( MKV_IS_ID( k, KaxChapterProcessTime ) )
5442         {
5443             codec_time = uint32( *static_cast<const KaxChapterProcessTime*>( k ) );
5444             break;
5445         }
5446     }
5447
5448     for( i = 0; i < command.ListSize(); i++ )
5449     {
5450         const EbmlElement *k = command[i];
5451
5452         if( MKV_IS_ID( k, KaxChapterProcessData ) )
5453         {
5454             KaxChapterProcessData *p_data =  new KaxChapterProcessData( *static_cast<const KaxChapterProcessData*>( k ) );
5455             switch ( codec_time )
5456             {
5457             case 0:
5458                 during_cmds.push_back( p_data );
5459                 break;
5460             case 1:
5461                 enter_cmds.push_back( p_data );
5462                 break;
5463             case 2:
5464                 leave_cmds.push_back( p_data );
5465                 break;
5466             default:
5467                 delete p_data;
5468             }
5469         }
5470     }
5471 }
5472
5473 bool chapter_item_c::Enter( bool b_do_subs )
5474 {
5475     bool f_result = false;
5476     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5477     while ( index != codecs.end() )
5478     {
5479         f_result |= (*index)->Enter();
5480         index++;
5481     }
5482
5483     if ( b_do_subs )
5484     {
5485         // sub chapters
5486         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5487         while ( index_ != sub_chapters.end() )
5488         {
5489             f_result |= (*index_)->Enter( true );
5490             index_++;
5491         }
5492     }
5493     return f_result;
5494 }
5495
5496 bool chapter_item_c::Leave( bool b_do_subs )
5497 {
5498     bool f_result = false;
5499     b_is_leaving = true;
5500     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5501     while ( index != codecs.end() )
5502     {
5503         f_result |= (*index)->Leave();
5504         index++;
5505     }
5506
5507     if ( b_do_subs )
5508     {
5509         // sub chapters
5510         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5511         while ( index_ != sub_chapters.end() )
5512         {
5513             f_result |= (*index_)->Leave( true );
5514             index_++;
5515         }
5516     }
5517     b_is_leaving = false;
5518     return f_result;
5519 }
5520
5521 bool chapter_item_c::EnterAndLeave( chapter_item_c *p_item, bool b_final_enter )
5522 {
5523     chapter_item_c *p_common_parent = p_item;
5524
5525     // leave, up to a common parent
5526     while ( p_common_parent != NULL && !p_common_parent->ParentOf( *this ) )
5527     {
5528         if ( !p_common_parent->b_is_leaving && p_common_parent->Leave( false ) )
5529             return true;
5530         p_common_parent = p_common_parent->psz_parent;
5531     }
5532
5533     // enter from the parent to <this>
5534     if ( p_common_parent != NULL )
5535     {
5536         do
5537         {
5538             if ( p_common_parent == this )
5539                 return Enter( true );
5540
5541             for ( size_t i = 0; i<p_common_parent->sub_chapters.size(); i++ )
5542             {
5543                 if ( p_common_parent->sub_chapters[i]->ParentOf( *this ) )
5544                 {
5545                     p_common_parent = p_common_parent->sub_chapters[i];
5546                     if ( p_common_parent != this )
5547                         if ( p_common_parent->Enter( false ) )
5548                             return true;
5549
5550                     break;
5551                 }
5552             }
5553         } while ( 1 );
5554     }
5555
5556     if ( b_final_enter )
5557         return Enter( true );
5558     else
5559         return false;
5560 }
5561
5562 bool dvd_chapter_codec_c::Enter()
5563 {
5564     bool f_result = false;
5565     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
5566     while ( index != enter_cmds.end() )
5567     {
5568         if ( (*index)->GetSize() )
5569         {
5570             binary *p_data = (*index)->GetBuffer();
5571             size_t i_size = *p_data++;
5572             // avoid reading too much from the buffer
5573             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
5574             for ( ; i_size > 0; i_size--, p_data += 8 )
5575             {
5576                 msg_Dbg( &sys.demuxer, "Matroska DVD enter command" );
5577                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5578             }
5579         }
5580         index++;
5581     }
5582     return f_result;
5583 }
5584
5585 bool dvd_chapter_codec_c::Leave()
5586 {
5587     bool f_result = false;
5588     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
5589     while ( index != leave_cmds.end() )
5590     {
5591         if ( (*index)->GetSize() )
5592         {
5593             binary *p_data = (*index)->GetBuffer();
5594             size_t i_size = *p_data++;
5595             // avoid reading too much from the buffer
5596             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
5597             for ( ; i_size > 0; i_size--, p_data += 8 )
5598             {
5599                 msg_Dbg( &sys.demuxer, "Matroska DVD leave command" );
5600                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5601             }
5602         }
5603         index++;
5604     }
5605     return f_result;
5606 }
5607
5608 // see http://www.dvd-replica.com/DVD/vmcmdset.php for a description of DVD commands
5609 bool dvd_command_interpretor_c::Interpret( const binary * p_command, size_t i_size )
5610 {
5611     if ( i_size != 8 )
5612         return false;
5613
5614     virtual_segment_c *p_segment = NULL;
5615     chapter_item_c *p_chapter = NULL;
5616     bool f_result = false;
5617     uint16 i_command = ( p_command[0] << 8 ) + p_command[1];
5618
5619     // handle register tests if there are some
5620     if ( (i_command & 0xF0) != 0 )
5621     {
5622         bool b_test_positive = true;//(i_command & CMD_DVD_IF_NOT) == 0;
5623         bool b_test_value    = (i_command & CMD_DVD_TEST_VALUE) != 0;
5624         uint8 i_test = i_command & 0x70;
5625         uint16 i_value;
5626
5627         // see http://dvd.sourceforge.net/dvdinfo/vmi.html
5628         uint8  i_cr1;
5629         uint16 i_cr2;
5630         switch ( i_command >> 12 )
5631         {
5632         default:
5633             i_cr1 = p_command[3];
5634             i_cr2 = (p_command[4] << 8) + p_command[5];
5635             break;
5636         case 3:
5637         case 4:
5638         case 5:
5639             i_cr1 = p_command[6];
5640             i_cr2 = p_command[7];
5641             b_test_value = false;
5642             break;
5643         case 6:
5644         case 7:
5645             if ( ((p_command[1] >> 4) & 0x7) == 0)
5646             {
5647                 i_cr1 = p_command[2];
5648                 i_cr2 = (p_command[6] << 8) + p_command[7];
5649             }
5650             else
5651             {
5652                 i_cr1 = p_command[2];
5653                 i_cr2 = (p_command[6] << 8) + p_command[7];
5654             }
5655             break;
5656         }
5657
5658         if ( b_test_value )
5659             i_value = i_cr2;
5660         else
5661             i_value = GetPRM( i_cr2 );
5662
5663         switch ( i_test )
5664         {
5665         case CMD_DVD_IF_GPREG_EQUAL:
5666             // if equals
5667             msg_Dbg( &sys.demuxer, "IF %s EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5668             if (!( GetPRM( i_cr1 ) == i_value ))
5669             {
5670                 b_test_positive = false;
5671             }
5672             break;
5673         case CMD_DVD_IF_GPREG_NOT_EQUAL:
5674             // if not equals
5675             msg_Dbg( &sys.demuxer, "IF %s NOT EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5676             if (!( GetPRM( i_cr1 ) != i_value ))
5677             {
5678                 b_test_positive = false;
5679             }
5680             break;
5681         case CMD_DVD_IF_GPREG_INF:
5682             // if inferior
5683             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5684             if (!( GetPRM( i_cr1 ) < i_value ))
5685             {
5686                 b_test_positive = false;
5687             }
5688             break;
5689         case CMD_DVD_IF_GPREG_INF_EQUAL:
5690             // if inferior or equal
5691             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5692             if (!( GetPRM( i_cr1 ) <= i_value ))
5693             {
5694                 b_test_positive = false;
5695             }
5696             break;
5697         case CMD_DVD_IF_GPREG_AND:
5698             // if logical and
5699             msg_Dbg( &sys.demuxer, "IF %s & %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5700             if (!( GetPRM( i_cr1 ) & i_value ))
5701             {
5702                 b_test_positive = false;
5703             }
5704             break;
5705         case CMD_DVD_IF_GPREG_SUP:
5706             // if superior
5707             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5708             if (!( GetPRM( i_cr1 ) > i_value ))
5709             {
5710                 b_test_positive = false;
5711             }
5712             break;
5713         case CMD_DVD_IF_GPREG_SUP_EQUAL:
5714             // if superior or equal
5715             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5716             if (!( GetPRM( i_cr1 ) >= i_value ))
5717             {
5718                 b_test_positive = false;
5719             }
5720             break;
5721         }
5722
5723         if ( !b_test_positive )
5724             return false;
5725     }
5726
5727     // strip the test command
5728     i_command &= 0xFF0F;
5729
5730     switch ( i_command )
5731     {
5732     case CMD_DVD_NOP:
5733     case CMD_DVD_NOP2:
5734         {
5735             msg_Dbg( &sys.demuxer, "NOP" );
5736             break;
5737         }
5738     case CMD_DVD_BREAK:
5739         {
5740             msg_Dbg( &sys.demuxer, "Break" );
5741             // TODO
5742             break;
5743         }
5744     case CMD_DVD_JUMP_TT:
5745         {
5746             uint8 i_title = p_command[5];
5747             msg_Dbg( &sys.demuxer, "JumpTT %d", i_title );
5748
5749             // find in the ChapProcessPrivate matching this Title level
5750             p_chapter = sys.BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title), p_segment );
5751             if ( p_segment != NULL )
5752             {
5753                 sys.JumpTo( *p_segment, p_chapter );
5754                 f_result = true;
5755             }
5756
5757             break;
5758         }
5759     case CMD_DVD_CALLSS_VTSM1:
5760         {
5761             msg_Dbg( &sys.demuxer, "CallSS" );
5762             binary p_type;
5763             switch( (p_command[6] & 0xC0) >> 6 ) {
5764                 case 0:
5765                     p_type = p_command[5] & 0x0F;
5766                     switch ( p_type )
5767                     {
5768                     case 0x00:
5769                         msg_Dbg( &sys.demuxer, "CallSS PGC (rsm_cell %x)", p_command[4]);
5770                         break;
5771                     case 0x02:
5772                         msg_Dbg( &sys.demuxer, "CallSS Title Entry (rsm_cell %x)", p_command[4]);
5773                         break;
5774                     case 0x03:
5775                         msg_Dbg( &sys.demuxer, "CallSS Root Menu (rsm_cell %x)", p_command[4]);
5776                         break;
5777                     case 0x04:
5778                         msg_Dbg( &sys.demuxer, "CallSS Subpicture Menu (rsm_cell %x)", p_command[4]);
5779                         break;
5780                     case 0x05:
5781                         msg_Dbg( &sys.demuxer, "CallSS Audio Menu (rsm_cell %x)", p_command[4]);
5782                         break;
5783                     case 0x06:
5784                         msg_Dbg( &sys.demuxer, "CallSS Angle Menu (rsm_cell %x)", p_command[4]);
5785                         break;
5786                     case 0x07:
5787                         msg_Dbg( &sys.demuxer, "CallSS Chapter Menu (rsm_cell %x)", p_command[4]);
5788                         break;
5789                     default:
5790                         msg_Dbg( &sys.demuxer, "CallSS <unknown> (rsm_cell %x)", p_command[4]);
5791                         break;
5792                     }
5793                     p_chapter = sys.BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1, p_segment );
5794                     if ( p_segment != NULL )
5795                     {
5796                         sys.JumpTo( *p_segment, p_chapter );
5797                         f_result = true;
5798                     }
5799                 break;
5800                 case 1:
5801                     msg_Dbg( &sys.demuxer, "CallSS VMGM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
5802                 break;
5803                 case 2:
5804                     msg_Dbg( &sys.demuxer, "CallSS VTSM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
5805                 break;
5806                 case 3:
5807                     msg_Dbg( &sys.demuxer, "CallSS VMGM (pgc %d, rsm_cell %x)", (p_command[2] << 8) + p_command[3], p_command[4]);
5808                 break;
5809             }
5810             break;
5811         }
5812     case CMD_DVD_JUMP_SS:
5813         {
5814             msg_Dbg( &sys.demuxer, "JumpSS");
5815             binary p_type;
5816             switch( (p_command[5] & 0xC0) >> 6 ) {
5817                 case 0:
5818                     msg_Dbg( &sys.demuxer, "JumpSS FP");
5819                 break;
5820                 case 1:
5821                     p_type = p_command[5] & 0x0F;
5822                     switch ( p_type )
5823                     {
5824                     case 0x02:
5825                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Title Entry");
5826                         break;
5827                     case 0x03:
5828                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Root Menu");
5829                         break;
5830                     case 0x04:
5831                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Subpicture Menu");
5832                         break;
5833                     case 0x05:
5834                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Audio Menu");
5835                         break;
5836                     case 0x06:
5837                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Angle Menu");
5838                         break;
5839                     case 0x07:
5840                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Chapter Menu");
5841                         break;
5842                     default:
5843                         msg_Dbg( &sys.demuxer, "JumpSS <unknown>");
5844                         break;
5845                     }
5846                     // find the VMG
5847                     p_chapter = sys.BrowseCodecPrivate( 1, MatchIsVMG, NULL, 0, p_segment );
5848                     if ( p_segment != NULL )
5849                     {
5850                         p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
5851                         if ( p_chapter != NULL )
5852                         {
5853                             sys.JumpTo( *p_segment, p_chapter );
5854                             f_result = true;
5855                         }
5856                     }
5857                 break;
5858                 case 2:
5859                     p_type = p_command[5] & 0x0F;
5860                     switch ( p_type )
5861                     {
5862                     case 0x02:
5863                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Title Entry", p_command[4], p_command[3]);
5864                         break;
5865                     case 0x03:
5866                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Root Menu", p_command[4], p_command[3]);
5867                         break;
5868                     case 0x04:
5869                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Subpicture Menu", p_command[4], p_command[3]);
5870                         break;
5871                     case 0x05:
5872                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Audio Menu", p_command[4], p_command[3]);
5873                         break;
5874                     case 0x06:
5875                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Angle Menu", p_command[4], p_command[3]);
5876                         break;
5877                     case 0x07:
5878                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Chapter Menu", p_command[4], p_command[3]);
5879                         break;
5880                     default:
5881                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) <unknown>", p_command[4], p_command[3]);
5882                         break;
5883                     }
5884
5885                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSMNumber, &p_command[4], 1, p_segment );
5886
5887                     if ( p_segment != NULL && p_chapter != NULL )
5888                     {
5889                         // find the title in the VTS
5890                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &p_command[3], 1 );
5891                         if ( p_chapter != NULL )
5892                         {
5893                             // find the specified menu in the VTSM
5894                             p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
5895                             if ( p_chapter != NULL )
5896                             {
5897                                 sys.JumpTo( *p_segment, p_chapter );
5898                                 f_result = true;
5899                             }
5900                         }
5901                         else
5902                             msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", p_command[3] );
5903                     }
5904                     else
5905                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", p_command[4] );
5906                 break;
5907                 case 3:
5908                     msg_Dbg( &sys.demuxer, "JumpSS VMGM (pgc %d)", (p_command[2] << 8) + p_command[3]);
5909                 break;
5910             }
5911             break;
5912         }
5913     case CMD_DVD_JUMPVTS_PTT:
5914         {
5915             uint8 i_title = p_command[5];
5916             uint8 i_ptt = p_command[3];
5917
5918             msg_Dbg( &sys.demuxer, "JumpVTS Title (%d) PTT (%d)", i_title, i_ptt);
5919
5920             // find the current VTS content segment
5921             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchIsDomain, NULL, 0 );
5922             if ( p_chapter != NULL )
5923             {
5924                 int16 i_curr_title = p_chapter->GetTitleNumber( );
5925                 if ( i_curr_title > 0 )
5926                 {
5927                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSNumber, &i_curr_title, sizeof(i_curr_title), p_segment );
5928
5929                     if ( p_segment != NULL && p_chapter != NULL )
5930                     {
5931                         // find the title in the VTS
5932                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title) );
5933                         if ( p_chapter != NULL )
5934                         {
5935                             // find the chapter in the title
5936                             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchChapterNumber, &i_ptt, sizeof(i_ptt) );
5937                             if ( p_chapter != NULL )
5938                             {
5939                                 sys.JumpTo( *p_segment, p_chapter );
5940                                 f_result = true;
5941                             }
5942                         }
5943                     else
5944                         msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", i_title );
5945                     }
5946                     else
5947                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", i_curr_title );
5948                 }
5949                 else
5950                     msg_Dbg( &sys.demuxer, "JumpVTS_PTT command found but not in a VTS(M)");
5951             }
5952             else
5953                 msg_Dbg( &sys.demuxer, "JumpVTS_PTT command but the DVD domain wasn't found");
5954             break;
5955         }
5956     case CMD_DVD_SET_GPRMMD:
5957         {
5958             msg_Dbg( &sys.demuxer, "Set GPRMMD [%d]=%d", (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3]);
5959
5960             if ( !SetGPRM( (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3] ) )
5961                 msg_Dbg( &sys.demuxer, "Set GPRMMD failed" );
5962             break;
5963         }
5964     case CMD_DVD_LINKPGCN:
5965         {
5966             uint16 i_pgcn = (p_command[6] << 8) + p_command[7];
5967
5968             msg_Dbg( &sys.demuxer, "Link PGCN(%d)", i_pgcn );
5969             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchPgcNumber, &i_pgcn, 2 );
5970             if ( p_chapter != NULL )
5971             {
5972                 if ( !p_chapter->Enter( true ) )
5973                     // jump to the location in the found segment
5974                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5975
5976                 f_result = true;
5977             }
5978             break;
5979         }
5980     case CMD_DVD_LINKCN:
5981         {
5982             uint8 i_cn = p_command[7];
5983
5984             p_chapter = sys.p_current_segment->CurrentChapter();
5985
5986             msg_Dbg( &sys.demuxer, "LinkCN (cell %d)", i_cn );
5987             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchCellNumber, &i_cn, 1 );
5988             if ( p_chapter != NULL )
5989             {
5990                 if ( !p_chapter->Enter( true ) )
5991                     // jump to the location in the found segment
5992                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5993
5994                 f_result = true;
5995             }
5996             break;
5997         }
5998     case CMD_DVD_GOTO_LINE:
5999         {
6000             msg_Dbg( &sys.demuxer, "GotoLine (%d)", (p_command[6] << 8) + p_command[7] );
6001             // TODO
6002             break;
6003         }
6004     case CMD_DVD_SET_HL_BTNN1:
6005         {
6006             msg_Dbg( &sys.demuxer, "SetHL_BTN (%d)", p_command[4] );
6007             SetSPRM( 0x88, p_command[4] );
6008             break;
6009         }
6010     default:
6011         {
6012             msg_Dbg( &sys.demuxer, "unsupported command : %02X %02X %02X %02X %02X %02X %02X %02X"
6013                      ,p_command[0]
6014                      ,p_command[1]
6015                      ,p_command[2]
6016                      ,p_command[3]
6017                      ,p_command[4]
6018                      ,p_command[5]
6019                      ,p_command[6]
6020                      ,p_command[7]);
6021             break;
6022         }
6023     }
6024
6025     return f_result;
6026 }
6027
6028 bool dvd_command_interpretor_c::MatchIsDomain( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6029 {
6030     return ( data.p_private_data != NULL && data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS );
6031 }
6032
6033 bool dvd_command_interpretor_c::MatchIsVMG( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6034 {
6035     if ( data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
6036         return false;
6037
6038     return ( data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS && data.p_private_data->GetBuffer()[1] == 0xC0);
6039 }
6040
6041 bool dvd_command_interpretor_c::MatchVTSNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6042 {
6043     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6044         return false;
6045
6046     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x80 )
6047         return false;
6048
6049     uint16 i_gtitle = (data.p_private_data->GetBuffer()[2] << 8 ) + data.p_private_data->GetBuffer()[3];
6050     uint16 i_title = *(uint16*)p_cookie;
6051
6052     return (i_gtitle == i_title);
6053 }
6054
6055 bool dvd_command_interpretor_c::MatchVTSMNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6056 {
6057     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6058         return false;
6059
6060     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x40 )
6061         return false;
6062
6063     uint8 i_gtitle = data.p_private_data->GetBuffer()[3];
6064     uint8 i_title = *(uint8*)p_cookie;
6065
6066     return (i_gtitle == i_title);
6067 }
6068
6069 bool dvd_command_interpretor_c::MatchTitleNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6070 {
6071     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6072         return false;
6073
6074     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_TT )
6075         return false;
6076
6077     uint16 i_gtitle = (data.p_private_data->GetBuffer()[1] << 8 ) + data.p_private_data->GetBuffer()[2];
6078     uint8 i_title = *(uint8*)p_cookie;
6079
6080     return (i_gtitle == i_title);
6081 }
6082
6083 bool dvd_command_interpretor_c::MatchPgcType( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6084 {
6085     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6086         return false;
6087
6088     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6089         return false;
6090
6091     uint8 i_pgc_type = data.p_private_data->GetBuffer()[3] & 0x0F;
6092     uint8 i_pgc = *(uint8*)p_cookie;
6093
6094     return (i_pgc_type == i_pgc);
6095 }
6096
6097 bool dvd_command_interpretor_c::MatchPgcNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6098 {
6099     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6100         return false;
6101
6102     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6103         return false;
6104
6105     uint16 *i_pgc_n = (uint16 *)p_cookie;
6106     uint16 i_pgc_num = (data.p_private_data->GetBuffer()[1] << 8) + data.p_private_data->GetBuffer()[2];
6107
6108     return (i_pgc_num == *i_pgc_n);
6109 }
6110
6111 bool dvd_command_interpretor_c::MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6112 {
6113     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
6114         return false;
6115
6116     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PTT )
6117         return false;
6118
6119     uint8 i_chapter = data.p_private_data->GetBuffer()[1];
6120     uint8 i_ptt = *(uint8*)p_cookie;
6121
6122     return (i_chapter == i_ptt);
6123 }
6124
6125 bool dvd_command_interpretor_c::MatchCellNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6126 {
6127     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 5 )
6128         return false;
6129
6130     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_CN )
6131         return false;
6132
6133     uint8 *i_cell_n = (uint8 *)p_cookie;
6134     uint8 i_cell_num = data.p_private_data->GetBuffer()[3];
6135
6136     return (i_cell_num == *i_cell_n);
6137 }
6138
6139 bool matroska_script_codec_c::Enter()
6140 {
6141     bool f_result = false;
6142     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
6143     while ( index != enter_cmds.end() )
6144     {
6145         if ( (*index)->GetSize() )
6146         {
6147             msg_Dbg( &sys.demuxer, "Matroska Script enter command" );
6148             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6149         }
6150         index++;
6151     }
6152     return f_result;
6153 }
6154
6155 bool matroska_script_codec_c::Leave()
6156 {
6157     bool f_result = false;
6158     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
6159     while ( index != leave_cmds.end() )
6160     {
6161         if ( (*index)->GetSize() )
6162         {
6163             msg_Dbg( &sys.demuxer, "Matroska Script leave command" );
6164             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6165         }
6166         index++;
6167     }
6168     return f_result;
6169 }
6170
6171 // see http://www.matroska.org/technical/specs/chapters/index.html#mscript
6172 //  for a description of existing commands
6173 bool matroska_script_interpretor_c::Interpret( const binary * p_command, size_t i_size )
6174 {
6175     bool b_result = false;
6176
6177     char *psz_str = (char*) malloc( i_size + 1 );
6178     memcpy( psz_str, p_command, i_size );
6179     psz_str[ i_size ] = '\0';
6180
6181     std::string sz_command = psz_str;
6182     free( psz_str );
6183
6184     msg_Dbg( &sys.demuxer, "command : %s", sz_command.c_str() );
6185
6186 #if defined(__GNUC__) && (__GNUC__ < 3)
6187     if ( sz_command.compare( CMD_MS_GOTO_AND_PLAY, 0, CMD_MS_GOTO_AND_PLAY.size() ) == 0 )
6188 #else
6189     if ( sz_command.compare( 0, CMD_MS_GOTO_AND_PLAY.size(), CMD_MS_GOTO_AND_PLAY ) == 0 )
6190 #endif
6191     {
6192         size_t i,j;
6193
6194         // find the (
6195         for ( i=CMD_MS_GOTO_AND_PLAY.size(); i<sz_command.size(); i++)
6196         {
6197             if ( sz_command[i] == '(' )
6198             {
6199                 i++;
6200                 break;
6201             }
6202         }
6203         // find the )
6204         for ( j=i; j<sz_command.size(); j++)
6205         {
6206             if ( sz_command[j] == ')' )
6207             {
6208                 i--;
6209                 break;
6210             }
6211         }
6212
6213         std::string st = sz_command.substr( i+1, j-i-1 );
6214         int64_t i_chapter_uid = atoi( st.c_str() );
6215
6216         virtual_segment_c *p_segment;
6217         chapter_item_c *p_chapter = sys.FindChapter( i_chapter_uid, p_segment );
6218
6219         if ( p_chapter == NULL )
6220             msg_Dbg( &sys.demuxer, "Chapter "I64Fd" not found", i_chapter_uid);
6221         else
6222         {
6223             if ( !p_chapter->EnterAndLeave( sys.p_current_segment->CurrentChapter() ) )
6224                 p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6225             b_result = true;
6226         }
6227     }
6228
6229     return b_result;
6230 }
6231
6232 void demux_sys_t::SwapButtons()
6233 {
6234 #ifndef WORDS_BIGENDIAN
6235     uint8_t button, i, j;
6236
6237     for( button = 1; button <= pci_packet.hli.hl_gi.btn_ns; button++) {
6238         btni_t *button_ptr = &(pci_packet.hli.btnit[button-1]);
6239         binary *p_data = (binary*) button_ptr;
6240
6241         uint16 i_x_start = ((p_data[0] & 0x3F) << 4 ) + ( p_data[1] >> 4 );
6242         uint16 i_x_end   = ((p_data[1] & 0x03) << 8 ) + p_data[2];
6243         uint16 i_y_start = ((p_data[3] & 0x3F) << 4 ) + ( p_data[4] >> 4 );
6244         uint16 i_y_end   = ((p_data[4] & 0x03) << 8 ) + p_data[5];
6245         button_ptr->x_start = i_x_start;
6246         button_ptr->x_end   = i_x_end;
6247         button_ptr->y_start = i_y_start;
6248         button_ptr->y_end   = i_y_end;
6249
6250     }
6251     for ( i = 0; i<3; i++ )
6252     {
6253         for ( j = 0; j<2; j++ )
6254         {
6255             pci_packet.hli.btn_colit.btn_coli[i][j] = U32_AT( &pci_packet.hli.btn_colit.btn_coli[i][j] );
6256         }
6257     }
6258 #endif
6259 }