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

   1 /*****************************************************************************
   2  * mkv.cpp : matroska demuxer
   3  *****************************************************************************
   4  * Copyright (C) 2003-2004 VideoLAN
   5  * $Id$
   6  *
   7  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   8  *          Steve Lhomme <steve.lhomme@free.fr>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  23  *****************************************************************************/
  24
  25 /*****************************************************************************
  26  * Preamble
  27  *****************************************************************************/
  28 #include <stdlib.h>                                      /* malloc(), free() */
  29
  30 #include <vlc/vlc.h>
  31
  32 #ifdef HAVE_TIME_H
  33 #   include <time.h>                                               /* time() */
  34 #endif
  35
  36 #include <vlc/input.h>
  37
  38 #include <codecs.h>                        /* BITMAPINFOHEADER, WAVEFORMATEX */
  39 #include "iso_lang.h"
  40 #include "vlc_meta.h"
  41
  42 #include <iostream>
  43 #include <cassert>
  44 #include <typeinfo>
  45 #include <string>
  46 #include <vector>
  47 #include <algorithm>
  48
  49 #ifdef HAVE_DIRENT_H
  50 #   include <dirent.h>
  51 #endif
  52
  53 /* libebml and matroska */
  54 #include "ebml/EbmlHead.h"
  55 #include "ebml/EbmlSubHead.h"
  56 #include "ebml/EbmlStream.h"
  57 #include "ebml/EbmlContexts.h"
  58 #include "ebml/EbmlVoid.h"
  59 #include "ebml/EbmlVersion.h"
  60 #include "ebml/StdIOCallback.h"
  61
  62 #include "matroska/KaxAttachments.h"
  63 #include "matroska/KaxBlock.h"
  64 #include "matroska/KaxBlockData.h"
  65 #include "matroska/KaxChapters.h"
  66 #include "matroska/KaxCluster.h"
  67 #include "matroska/KaxClusterData.h"
  68 #include "matroska/KaxContexts.h"
  69 #include "matroska/KaxCues.h"
  70 #include "matroska/KaxCuesData.h"
  71 #include "matroska/KaxInfo.h"
  72 #include "matroska/KaxInfoData.h"
  73 #include "matroska/KaxSeekHead.h"
  74 #include "matroska/KaxSegment.h"
  75 #include "matroska/KaxTag.h"
  76 #include "matroska/KaxTags.h"
  77 #include "matroska/KaxTagMulti.h"
  78 #include "matroska/KaxTracks.h"
  79 #include "matroska/KaxTrackAudio.h"
  80 #include "matroska/KaxTrackVideo.h"
  81 #include "matroska/KaxTrackEntryData.h"
  82 #include "matroska/KaxContentEncoding.h"
  83 #include "matroska/KaxVersion.h"
  84
  85 #include "ebml/StdIOCallback.h"
  86
  87 #include "vlc_keys.h"
  88
  89 extern "C" {
  90    #include "mp4/libmp4.h"
  91 }
  92 #ifdef HAVE_ZLIB_H
  93 #   include <zlib.h>
  94 #endif
  95
  96 #define MATROSKA_COMPRESSION_NONE 0
  97 #define MATROSKA_COMPRESSION_ZLIB 1
  98
  99 #define MKVD_TIMECODESCALE 1000000
 100
 101 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 102 #undef ATTRIBUTE_PACKED
 103 #undef PRAGMA_PACK_BEGIN
 104 #undef PRAGMA_PACK_END
 105
 106 #if defined(__GNUC__)
 107 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)
 108 #define ATTRIBUTE_PACKED __attribute__ ((packed))
 109 #define PRAGMA_PACK 0
 110 #endif
 111 #endif
 112
 113 #if !defined(ATTRIBUTE_PACKED)
 114 #define ATTRIBUTE_PACKED
 115 #define PRAGMA_PACK 1
 116 #endif
 117
 118 #if PRAGMA_PACK
 119 #pragma pack(1)
 120 #endif
 121
 122 /*************************************
 123 *  taken from libdvdnav / libdvdread
 124 **************************************/
 125
 126 /**
 127  * DVD Time Information.
 128  */
 129 typedef struct {
 130   uint8_t hour;
 131   uint8_t minute;
 132   uint8_t second;
 133   uint8_t frame_u; /* The two high bits are the frame rate. */
 134 } ATTRIBUTE_PACKED dvd_time_t;
 135
 136 /**
 137  * User Operations.
 138  */
 139 typedef struct {
 140 #ifdef WORDS_BIGENDIAN
 141   unsigned char zero                           : 7; /* 25-31 */
 142   unsigned char video_pres_mode_change         : 1; /* 24 */
 143
 144   unsigned char karaoke_audio_pres_mode_change : 1; /* 23 */
 145   unsigned char angle_change                   : 1;
 146   unsigned char subpic_stream_change           : 1;
 147   unsigned char audio_stream_change            : 1;
 148   unsigned char pause_on                       : 1;
 149   unsigned char still_off                      : 1;
 150   unsigned char button_select_or_activate      : 1;
 151   unsigned char resume                         : 1; /* 16 */
 152
 153   unsigned char chapter_menu_call              : 1; /* 15 */
 154   unsigned char angle_menu_call                : 1;
 155   unsigned char audio_menu_call                : 1;
 156   unsigned char subpic_menu_call               : 1;
 157   unsigned char root_menu_call                 : 1;
 158   unsigned char title_menu_call                : 1;
 159   unsigned char backward_scan                  : 1;
 160   unsigned char forward_scan                   : 1; /* 8 */
 161
 162   unsigned char next_pg_search                 : 1; /* 7 */
 163   unsigned char prev_or_top_pg_search          : 1;
 164   unsigned char time_or_chapter_search         : 1;
 165   unsigned char go_up                          : 1;
 166   unsigned char stop                           : 1;
 167   unsigned char title_play                     : 1;
 168   unsigned char chapter_search_or_play         : 1;
 169   unsigned char title_or_time_play             : 1; /* 0 */
 170 #else
 171   unsigned char video_pres_mode_change         : 1; /* 24 */
 172   unsigned char zero                           : 7; /* 25-31 */
 173
 174   unsigned char resume                         : 1; /* 16 */
 175   unsigned char button_select_or_activate      : 1;
 176   unsigned char still_off                      : 1;
 177   unsigned char pause_on                       : 1;
 178   unsigned char audio_stream_change            : 1;
 179   unsigned char subpic_stream_change           : 1;
 180   unsigned char angle_change                   : 1;
 181   unsigned char karaoke_audio_pres_mode_change : 1; /* 23 */
 182
 183   unsigned char forward_scan                   : 1; /* 8 */
 184   unsigned char backward_scan                  : 1;
 185   unsigned char title_menu_call                : 1;
 186   unsigned char root_menu_call                 : 1;
 187   unsigned char subpic_menu_call               : 1;
 188   unsigned char audio_menu_call                : 1;
 189   unsigned char angle_menu_call                : 1;
 190   unsigned char chapter_menu_call              : 1; /* 15 */
 191
 192   unsigned char title_or_time_play             : 1; /* 0 */
 193   unsigned char chapter_search_or_play         : 1;
 194   unsigned char title_play                     : 1;
 195   unsigned char stop                           : 1;
 196   unsigned char go_up                          : 1;
 197   unsigned char time_or_chapter_search         : 1;
 198   unsigned char prev_or_top_pg_search          : 1;
 199   unsigned char next_pg_search                 : 1; /* 7 */
 200 #endif
 201 } ATTRIBUTE_PACKED user_ops_t;
 202
 203 /**
 204  * Type to store per-command data.
 205  */
 206 typedef struct {
 207   uint8_t bytes[8];
 208 } ATTRIBUTE_PACKED vm_cmd_t;
 209 #define COMMAND_DATA_SIZE 8
 210
 211 /**
 212  * PCI General Information
 213  */
 214 typedef struct {
 215   uint32_t nv_pck_lbn;      /**< sector address of this nav pack */
 216   uint16_t vobu_cat;        /**< 'category' of vobu */
 217   uint16_t zero1;           /**< reserved */
 218   user_ops_t vobu_uop_ctl;  /**< UOP of vobu */
 219   uint32_t vobu_s_ptm;      /**< start presentation time of vobu */
 220   uint32_t vobu_e_ptm;      /**< end presentation time of vobu */
 221   uint32_t vobu_se_e_ptm;   /**< end ptm of sequence end in vobu */
 222   dvd_time_t e_eltm;        /**< Cell elapsed time */
 223   char vobu_isrc[32];
 224 } ATTRIBUTE_PACKED pci_gi_t;
 225
 226 /**
 227  * Non Seamless Angle Information
 228  */
 229 typedef struct {
 230   uint32_t nsml_agl_dsta[9];  /**< address of destination vobu in AGL_C#n */
 231 } ATTRIBUTE_PACKED nsml_agli_t;
 232
 233 /**
 234  * Highlight General Information
 235  *
 236  * For btngrX_dsp_ty the bits have the following meaning:
 237  * 000b: normal 4/3 only buttons
 238  * XX1b: wide (16/9) buttons
 239  * X1Xb: letterbox buttons
 240  * 1XXb: pan&scan buttons
 241  */
 242 typedef struct {
 243   uint16_t hli_ss; /**< status, only low 2 bits 0: no buttons, 1: different 2: equal 3: eual except for button cmds */
 244   uint32_t hli_s_ptm;              /**< start ptm of hli */
 245   uint32_t hli_e_ptm;              /**< end ptm of hli */
 246   uint32_t btn_se_e_ptm;           /**< end ptm of button select */
 247 #ifdef WORDS_BIGENDIAN
 248   unsigned char zero1 : 2;          /**< reserved */
 249   unsigned char btngr_ns : 2;       /**< number of button groups 1, 2 or 3 with 36/18/12 buttons */
 250   unsigned char zero2 : 1;          /**< reserved */
 251   unsigned char btngr1_dsp_ty : 3;  /**< display type of subpic stream for button group 1 */
 252   unsigned char zero3 : 1;          /**< reserved */
 253   unsigned char btngr2_dsp_ty : 3;  /**< display type of subpic stream for button group 2 */
 254   unsigned char zero4 : 1;          /**< reserved */
 255   unsigned char btngr3_dsp_ty : 3;  /**< display type of subpic stream for button group 3 */
 256 #else
 257   unsigned char btngr1_dsp_ty : 3;
 258   unsigned char zero2 : 1;
 259   unsigned char btngr_ns : 2;
 260   unsigned char zero1 : 2;
 261   unsigned char btngr3_dsp_ty : 3;
 262   unsigned char zero4 : 1;
 263   unsigned char btngr2_dsp_ty : 3;
 264   unsigned char zero3 : 1;
 265 #endif
 266   uint8_t btn_ofn;     /**< button offset number range 0-255 */
 267   uint8_t btn_ns;      /**< number of valid buttons  <= 36/18/12 (low 6 bits) */
 268   uint8_t nsl_btn_ns;  /**< number of buttons selectable by U_BTNNi (low 6 bits)   nsl_btn_ns <= btn_ns */
 269   uint8_t zero5;       /**< reserved */
 270   uint8_t fosl_btnn;   /**< forcedly selected button  (low 6 bits) */
 271   uint8_t foac_btnn;   /**< forcedly activated button (low 6 bits) */
 272 } ATTRIBUTE_PACKED hl_gi_t;
 273
 274
 275 /**
 276  * Button Color Information Table
 277  * Each entry beeing a 32bit word that contains the color indexs and alpha
 278  * values to use.  They are all represented by 4 bit number and stored
 279  * like this [Ci3, Ci2, Ci1, Ci0, A3, A2, A1, A0].   The actual palette
 280  * that the indexes reference is in the PGC.
 281  * @TODO split the uint32_t into a struct
 282  */
 283 typedef struct {
 284   uint32_t btn_coli[3][2];  /**< [button color number-1][select:0/action:1] */
 285 } ATTRIBUTE_PACKED btn_colit_t;
 286
 287 /**
 288  * Button Information
 289  *
 290  * NOTE: I've had to change the structure from the disk layout to get
 291  * the packing to work with Sun's Forte C compiler.
 292  * The 4 and 7 bytes are 'rotated' was: ABC DEF GHIJ  is: ABCG DEFH IJ
 293  */
 294 typedef struct {
 295 #ifdef WORDS_BIGENDIAN
 296   uint32        btn_coln         : 2;  /**< button color number */
 297   uint32        x_start          : 10; /**< x start offset within the overlay */
 298   uint32        zero1            : 2;  /**< reserved */
 299   uint32        x_end            : 10; /**< x end offset within the overlay */
 300
 301   uint32        zero3            : 2;  /**< reserved */
 302   uint32        up               : 6;  /**< button index when pressing up */
 303
 304   uint32        auto_action_mode : 2;  /**< 0: no, 1: activated if selected */
 305   uint32        y_start          : 10; /**< y start offset within the overlay */
 306   uint32        zero2            : 2;  /**< reserved */
 307   uint32        y_end            : 10; /**< y end offset within the overlay */
 308
 309   uint32        zero4            : 2;  /**< reserved */
 310   uint32        down             : 6;  /**< button index when pressing down */
 311   unsigned char zero5            : 2;  /**< reserved */
 312   unsigned char left             : 6;  /**< button index when pressing left */
 313   unsigned char zero6            : 2;  /**< reserved */
 314   unsigned char right            : 6;  /**< button index when pressing right */
 315 #else
 316   uint32        x_end            : 10;
 317   uint32        zero1            : 2;
 318   uint32        x_start          : 10;
 319   uint32        btn_coln         : 2;
 320
 321   uint32        up               : 6;
 322   uint32        zero3            : 2;
 323
 324   uint32        y_end            : 10;
 325   uint32        zero2            : 2;
 326   uint32        y_start          : 10;
 327   uint32        auto_action_mode : 2;
 328
 329   uint32        down             : 6;
 330   uint32        zero4            : 2;
 331   unsigned char left             : 6;
 332   unsigned char zero5            : 2;
 333   unsigned char right            : 6;
 334   unsigned char zero6            : 2;
 335 #endif
 336   vm_cmd_t cmd;
 337 } ATTRIBUTE_PACKED btni_t;
 338
 339 /**
 340  * Highlight Information
 341  */
 342 typedef struct {
 343   hl_gi_t     hl_gi;
 344   btn_colit_t btn_colit;
 345   btni_t      btnit[36];
 346 } ATTRIBUTE_PACKED hli_t;
 347
 348 /**
 349  * PCI packet
 350  */
 351 typedef struct {
 352   pci_gi_t    pci_gi;
 353   nsml_agli_t nsml_agli;
 354   hli_t       hli;
 355   uint8_t     zero1[189];
 356 } ATTRIBUTE_PACKED pci_t;
 357
 358
 359 #if PRAGMA_PACK
 360 #pragma pack()
 361 #endif
 362 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 363
 364
 365 /**
 366  * What's between a directory and a filename?
 367  */
 368 #if defined( WIN32 )
 369     #define DIRECTORY_SEPARATOR '\\'
 370 #else
 371     #define DIRECTORY_SEPARATOR '/'
 372 #endif
 373
 374 using namespace LIBMATROSKA_NAMESPACE;
 375 using namespace std;
 376
 377 /*****************************************************************************
 378  * Module descriptor
 379  *****************************************************************************/
 380 static int  Open ( vlc_object_t * );
 381 static void Close( vlc_object_t * );
 382
 383 vlc_module_begin();
 384     set_shortname( "Matroska" );
 385     set_description( _("Matroska stream demuxer" ) );
 386     set_capability( "demux2", 50 );
 387     set_callbacks( Open, Close );
 388     set_category( CAT_INPUT );
 389     set_subcategory( SUBCAT_INPUT_DEMUX );
 390
 391     add_bool( "mkv-use-ordered-chapters", 1, NULL,
 392             N_("Ordered chapters"),
 393             N_("Play ordered chapters as specified in the segment."), VLC_TRUE );
 394
 395     add_bool( "mkv-use-chapter-codec", 1, NULL,
 396             N_("Chapter codecs"),
 397             N_("Use chapter codecs found in the segment."), VLC_TRUE );
 398
 399     add_bool( "mkv-seek-percent", 0, NULL,
 400             N_("Seek based on percent not time."),
 401             N_("Seek based on percent not time."), VLC_TRUE );
 402
 403     add_bool( "mkv-use-dummy", 0, NULL,
 404             N_("Dummy Elements"),
 405             N_("Read and discard unknown EBML elements (not good for broken files)."), VLC_TRUE );
 406
 407     add_shortcut( "mka" );
 408     add_shortcut( "mkv" );
 409 vlc_module_end();
 410
 411 /*****************************************************************************
 412  * Local prototypes
 413  *****************************************************************************/
 414 #ifdef HAVE_ZLIB_H
 415 block_t *block_zlib_decompress( vlc_object_t *p_this, block_t *p_in_block ) {
 416     int result, dstsize, n;
 417     unsigned char *dst;
 418     block_t *p_block;
 419     z_stream d_stream;
 420
 421     d_stream.zalloc = (alloc_func)0;
 422     d_stream.zfree = (free_func)0;
 423     d_stream.opaque = (voidpf)0;
 424     result = inflateInit(&d_stream);
 425     if( result != Z_OK )
 426     {
 427         msg_Dbg( p_this, "inflateInit() failed. Result: %d", result );
 428         return NULL;
 429     }
 430
 431     d_stream.next_in = (Bytef *)p_in_block->p_buffer;
 432     d_stream.avail_in = p_in_block->i_buffer;
 433     n = 0;
 434     p_block = block_New( p_this, 0 );
 435     dst = NULL;
 436     do
 437     {
 438         n++;
 439         p_block = block_Realloc( p_block, 0, n * 1000 );
 440         dst = (unsigned char *)p_block->p_buffer;
 441         d_stream.next_out = (Bytef *)&dst[(n - 1) * 1000];
 442         d_stream.avail_out = 1000;
 443         result = inflate(&d_stream, Z_NO_FLUSH);
 444         if( ( result != Z_OK ) && ( result != Z_STREAM_END ) )
 445         {
 446             msg_Dbg( p_this, "Zlib decompression failed. Result: %d", result );
 447             return NULL;
 448         }
 449     }
 450     while( ( d_stream.avail_out == 0 ) && ( d_stream.avail_in != 0 ) &&
 451            ( result != Z_STREAM_END ) );
 452
 453     dstsize = d_stream.total_out;
 454     inflateEnd( &d_stream );
 455
 456     p_block = block_Realloc( p_block, 0, dstsize );
 457     p_block->i_buffer = dstsize;
 458     block_Release( p_in_block );
 459
 460     return p_block;
 461 }
 462 #endif
 463
 464 /**
 465  * Helper function to print the mkv parse tree
 466  */
 467 static void MkvTree( demux_t & demuxer, int i_level, char *psz_format, ... )
 468 {
 469     va_list args;
 470     if( i_level > 9 )
 471     {
 472         msg_Err( &demuxer, "too deep tree" );
 473         return;
 474     }
 475     va_start( args, psz_format );
 476     static char *psz_foo = "|   |   |   |   |   |   |   |   |   |";
 477     char *psz_foo2 = (char*)malloc( ( i_level * 4 + 3 + strlen( psz_format ) ) * sizeof(char) );
 478     strncpy( psz_foo2, psz_foo, 4 * i_level );
 479     psz_foo2[ 4 * i_level ] = '+';
 480     psz_foo2[ 4 * i_level + 1 ] = ' ';
 481     strcpy( &psz_foo2[ 4 * i_level + 2 ], psz_format );
 482     __msg_GenericVa( VLC_OBJECT(&demuxer), VLC_MSG_DBG, "mkv", psz_foo2, args );
 483     free( psz_foo2 );
 484     va_end( args );
 485 }
 486
 487 /*****************************************************************************
 488  * Stream managment
 489  *****************************************************************************/
 490 class vlc_stream_io_callback: public IOCallback
 491 {
 492   private:
 493     stream_t       *s;
 494     vlc_bool_t     mb_eof;
 495
 496   public:
 497     vlc_stream_io_callback( stream_t * );
 498
 499     virtual uint32   read            ( void *p_buffer, size_t i_size);
 500     virtual void     setFilePointer  ( int64_t i_offset, seek_mode mode = seek_beginning );
 501     virtual size_t   write           ( const void *p_buffer, size_t i_size);
 502     virtual uint64   getFilePointer  ( void );
 503     virtual void     close           ( void );
 504 };
 505
 506 /*****************************************************************************
 507  * Ebml Stream parser
 508  *****************************************************************************/
 509 class EbmlParser
 510 {
 511   public:
 512     EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux );
 513     virtual ~EbmlParser( void );
 514
 515     void Up( void );
 516     void Down( void );
 517     void Reset( demux_t *p_demux );
 518     EbmlElement *Get( void );
 519     void        Keep( void );
 520     EbmlElement *UnGet( uint64 i_block_pos, uint64 i_cluster_pos );
 521
 522     int GetLevel( void );
 523
 524   private:
 525     EbmlStream  *m_es;
 526     int         mi_level;
 527     EbmlElement *m_el[10];
 528     int64_t      mi_remain_size[10];
 529
 530     EbmlElement *m_got;
 531
 532     int         mi_user_level;
 533     vlc_bool_t  mb_keep;
 534     vlc_bool_t  mb_dummy;
 535 };
 536
 537
 538 /*****************************************************************************
 539  * Some functions to manipulate memory
 540  *****************************************************************************/
 541 #define GetFOURCC( p )  __GetFOURCC( (uint8_t*)p )
 542 static vlc_fourcc_t __GetFOURCC( uint8_t *p )
 543 {
 544     return VLC_FOURCC( p[0], p[1], p[2], p[3] );
 545 }
 546
 547 /*****************************************************************************
 548  * definitions of structures and functions used by this plugins
 549  *****************************************************************************/
 550 typedef struct
 551 {
 552     vlc_bool_t   b_default;
 553     vlc_bool_t   b_enabled;
 554     unsigned int i_number;
 555
 556     int          i_extra_data;
 557     uint8_t      *p_extra_data;
 558
 559     char         *psz_codec;
 560
 561     uint64_t     i_default_duration;
 562     float        f_timecodescale;
 563
 564     /* video */
 565     es_format_t fmt;
 566     float       f_fps;
 567     es_out_id_t *p_es;
 568
 569     vlc_bool_t      b_inited;
 570     /* data to be send first */
 571     int             i_data_init;
 572     uint8_t         *p_data_init;
 573
 574     /* hack : it's for seek */
 575     vlc_bool_t      b_search_keyframe;
 576     vlc_bool_t      b_silent;
 577
 578     /* informative */
 579     char         *psz_codec_name;
 580     char         *psz_codec_settings;
 581     char         *psz_codec_info_url;
 582     char         *psz_codec_download_url;
 583
 584     /* encryption/compression */
 585     int           i_compression_type;
 586
 587 } mkv_track_t;
 588
 589 typedef struct
 590 {
 591     int     i_track;
 592     int     i_block_number;
 593
 594     int64_t i_position;
 595     int64_t i_time;
 596
 597     vlc_bool_t b_key;
 598 } mkv_index_t;
 599
 600 class demux_sys_t;
 601
 602 const binary MATROSKA_DVD_LEVEL_SS   = 0x30;
 603 const binary MATROSKA_DVD_LEVEL_LU   = 0x2A;
 604 const binary MATROSKA_DVD_LEVEL_TT   = 0x28;
 605 const binary MATROSKA_DVD_LEVEL_PGC  = 0x20;
 606 const binary MATROSKA_DVD_LEVEL_PG   = 0x18;
 607 const binary MATROSKA_DVD_LEVEL_PTT  = 0x10;
 608 const binary MATROSKA_DVD_LEVEL_CN   = 0x08;
 609
 610 class chapter_codec_cmds_c
 611 {
 612 public:
 613     chapter_codec_cmds_c( demux_sys_t & demuxer, int codec_id = -1)
 614     :p_private_data(NULL)
 615     ,i_codec_id( codec_id )
 616     ,sys( demuxer )
 617     {}
 618
 619     virtual ~chapter_codec_cmds_c()
 620     {
 621         delete p_private_data;
 622         std::vector<KaxChapterProcessData*>::iterator indexe = enter_cmds.begin();
 623         while ( indexe != enter_cmds.end() )
 624         {
 625             delete (*indexe);
 626             indexe++;
 627         }
 628         std::vector<KaxChapterProcessData*>::iterator indexl = leave_cmds.begin();
 629         while ( indexl != leave_cmds.end() )
 630         {
 631             delete (*indexl);
 632             indexl++;
 633         }
 634         std::vector<KaxChapterProcessData*>::iterator indexd = during_cmds.begin();
 635         while ( indexd != during_cmds.end() )
 636         {
 637             delete (*indexd);
 638             indexd++;
 639         }
 640     }
 641
 642     void SetPrivate( const KaxChapterProcessPrivate & private_data )
 643     {
 644         p_private_data = new KaxChapterProcessPrivate( private_data );
 645     }
 646
 647     void AddCommand( const KaxChapterProcessCommand & command );
 648
 649     /// \return wether the codec has seeked in the files or not
 650     virtual bool Enter() { return false; }
 651     virtual bool Leave() { return false; }
 652     virtual std::string GetCodecName( bool f_for_title = false ) const { return ""; }
 653     virtual int16 GetTitleNumber() { return -1; }
 654
 655     KaxChapterProcessPrivate *p_private_data;
 656
 657 protected:
 658     std::vector<KaxChapterProcessData*> enter_cmds;
 659     std::vector<KaxChapterProcessData*> during_cmds;
 660     std::vector<KaxChapterProcessData*> leave_cmds;
 661
 662     int i_codec_id;
 663     demux_sys_t & sys;
 664 };
 665
 666 class dvd_command_interpretor_c
 667 {
 668 public:
 669     dvd_command_interpretor_c( demux_sys_t & demuxer )
 670     :sys( demuxer )
 671     {
 672         memset( p_PRMs, 0, sizeof(p_PRMs) );
 673         p_PRMs[ 0x80 + 1 ] = 15;
 674         p_PRMs[ 0x80 + 2 ] = 62;
 675         p_PRMs[ 0x80 + 3 ] = 1;
 676         p_PRMs[ 0x80 + 4 ] = 1;
 677         p_PRMs[ 0x80 + 7 ] = 1;
 678         p_PRMs[ 0x80 + 8 ] = 1;
 679         p_PRMs[ 0x80 + 16 ] = 0xFFFFu;
 680         p_PRMs[ 0x80 + 18 ] = 0xFFFFu;
 681     }
 682
 683     bool Interpret( const binary * p_command, size_t i_size = 8 );
 684
 685     uint16 GetPRM( size_t index ) const
 686     {
 687         if ( index < 256 )
 688             return p_PRMs[ index ];
 689         else return 0;
 690     }
 691
 692     uint16 GetGPRM( size_t index ) const
 693     {
 694         if ( index >= 0 && index < 16 )
 695             return p_PRMs[ index ];
 696         else return 0;
 697     }
 698
 699     uint16 GetSPRM( size_t index ) const
 700     {
 701         // 21,22,23 reserved for future use
 702         if ( index >= 0x80 && index < 0x95 )
 703             return p_PRMs[ index ];
 704         else return 0;
 705     }
 706
 707     bool SetPRM( size_t index, uint16 value )
 708     {
 709         if ( index >= 0 && index < 16 )
 710         {
 711             p_PRMs[ index ] = value;
 712             return true;
 713         }
 714         return false;
 715     }
 716
 717     bool SetGPRM( size_t index, uint16 value )
 718     {
 719         if ( index >= 0 && index < 16 )
 720         {
 721             p_PRMs[ index ] = value;
 722             return true;
 723         }
 724         return false;
 725     }
 726
 727     bool SetSPRM( size_t index, uint16 value )
 728     {
 729         if ( index > 0x80 && index <= 0x8D && index != 0x8C )
 730         {
 731             p_PRMs[ index ] = value;
 732             return true;
 733         }
 734         return false;
 735     }
 736
 737 protected:
 738     std::string GetRegTypeName( bool b_value, uint16 value ) const
 739     {
 740         std::string result;
 741         char s_value[6], s_reg_value[6];
 742         sprintf( s_value, "%.5d", value );
 743
 744         if ( b_value )
 745         {
 746             result = "value (";
 747             result += s_value;
 748             result += ")";
 749         }
 750         else if ( value < 0x80 )
 751         {
 752             sprintf( s_reg_value, "%.5d", GetPRM( value ) );
 753             result = "GPreg[";
 754             result += s_value;
 755             result += "] (";
 756             result += s_reg_value;
 757             result += ")";
 758         }
 759         else
 760         {
 761             sprintf( s_reg_value, "%.5d", GetPRM( value ) );
 762             result = "SPreg[";
 763             result += s_value;
 764             result += "] (";
 765             result += s_reg_value;
 766             result += ")";
 767         }
 768         return result;
 769     }
 770
 771     uint16       p_PRMs[256];
 772     demux_sys_t  & sys;
 773
 774     // DVD command IDs
 775
 776     // Tests
 777     // wether it's a comparison on the value or register
 778     static const uint16 CMD_DVD_TEST_VALUE          = 0x80;
 779     static const uint16 CMD_DVD_IF_GPREG_AND        = (1 << 4);
 780     static const uint16 CMD_DVD_IF_GPREG_EQUAL      = (2 << 4);
 781     static const uint16 CMD_DVD_IF_GPREG_NOT_EQUAL  = (3 << 4);
 782     static const uint16 CMD_DVD_IF_GPREG_SUP_EQUAL  = (4 << 4);
 783     static const uint16 CMD_DVD_IF_GPREG_SUP        = (5 << 4);
 784     static const uint16 CMD_DVD_IF_GPREG_INF_EQUAL  = (6 << 4);
 785     static const uint16 CMD_DVD_IF_GPREG_INF        = (7 << 4);
 786
 787     static const uint16 CMD_DVD_NOP                    = 0x0000;
 788     static const uint16 CMD_DVD_GOTO_LINE              = 0x0001;
 789     static const uint16 CMD_DVD_BREAK                  = 0x0002;
 790     // Links
 791     static const uint16 CMD_DVD_NOP2                   = 0x2001;
 792     static const uint16 CMD_DVD_LINKPGCN               = 0x2004;
 793     static const uint16 CMD_DVD_LINKPGN                = 0x2006;
 794     static const uint16 CMD_DVD_LINKCN                 = 0x2007;
 795     static const uint16 CMD_DVD_JUMP_TT                = 0x3002;
 796     static const uint16 CMD_DVD_JUMPVTS_TT             = 0x3003;
 797     static const uint16 CMD_DVD_JUMPVTS_PTT            = 0x3005;
 798     static const uint16 CMD_DVD_JUMP_SS                = 0x3006;
 799     static const uint16 CMD_DVD_CALLSS_VTSM1           = 0x3008;
 800     //
 801     static const uint16 CMD_DVD_SET_HL_BTNN2           = 0x4600;
 802     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN1  = 0x4604;
 803     static const uint16 CMD_DVD_SET_STREAM             = 0x5100;
 804     static const uint16 CMD_DVD_SET_GPRMMD             = 0x5300;
 805     static const uint16 CMD_DVD_SET_HL_BTNN1           = 0x5600;
 806     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN2  = 0x5604;
 807     static const uint16 CMD_DVD_SET_HL_BTNN_LINKCN     = 0x5607;
 808     // Operations
 809     static const uint16 CMD_DVD_MOV_SPREG_PREG         = 0x6100;
 810     static const uint16 CMD_DVD_GPREG_MOV_VALUE        = 0x7100;
 811     static const uint16 CMD_DVD_SUB_GPREG              = 0x7400;
 812     static const uint16 CMD_DVD_MULT_GPREG             = 0x7500;
 813     static const uint16 CMD_DVD_GPREG_DIV_VALUE        = 0x7600;
 814     static const uint16 CMD_DVD_GPREG_AND_VALUE        = 0x7900;
 815
 816     // callbacks when browsing inside CodecPrivate
 817     static bool MatchIsDomain     ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 818     static bool MatchIsVMG        ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 819     static bool MatchVTSNumber    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 820     static bool MatchVTSMNumber   ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 821     static bool MatchTitleNumber  ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 822     static bool MatchPgcType      ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 823     static bool MatchPgcNumber    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 824     static bool MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 825     static bool MatchCellNumber   ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 826 };
 827
 828 class dvd_chapter_codec_c : public chapter_codec_cmds_c
 829 {
 830 public:
 831     dvd_chapter_codec_c( demux_sys_t & sys )
 832     :chapter_codec_cmds_c( sys, 1 )
 833     {}
 834
 835     bool Enter();
 836     bool Leave();
 837     std::string GetCodecName( bool f_for_title = false ) const;
 838     int16 GetTitleNumber();
 839 };
 840
 841 class matroska_script_interpretor_c
 842 {
 843 public:
 844     matroska_script_interpretor_c( demux_sys_t & demuxer )
 845     :sys( demuxer )
 846     {}
 847
 848     bool Interpret( const binary * p_command, size_t i_size );
 849
 850     // DVD command IDs
 851     static const std::string CMD_MS_GOTO_AND_PLAY;
 852
 853 protected:
 854     demux_sys_t  & sys;
 855 };
 856
 857 const std::string matroska_script_interpretor_c::CMD_MS_GOTO_AND_PLAY = "GotoAndPlay";
 858
 859
 860 class matroska_script_codec_c : public chapter_codec_cmds_c
 861 {
 862 public:
 863     matroska_script_codec_c( demux_sys_t & sys )
 864     :chapter_codec_cmds_c( sys, 0 )
 865     ,interpretor( sys )
 866     {}
 867
 868     bool Enter();
 869     bool Leave();
 870
 871 protected:
 872     matroska_script_interpretor_c interpretor;
 873 };
 874
 875 class chapter_translation_c
 876 {
 877 public:
 878     chapter_translation_c()
 879         :p_translated(NULL)
 880     {}
 881
 882     ~chapter_translation_c()
 883     {
 884         delete p_translated;
 885     }
 886
 887     KaxChapterTranslateID  *p_translated;
 888     unsigned int           codec_id;
 889     std::vector<uint64_t>  editions;
 890 };
 891
 892 class chapter_item_c
 893 {
 894 public:
 895     chapter_item_c()
 896     :i_start_time(0)
 897     ,i_end_time(-1)
 898     ,i_user_start_time(-1)
 899     ,i_user_end_time(-1)
 900     ,i_seekpoint_num(-1)
 901     ,b_display_seekpoint(true)
 902     ,b_user_display(false)
 903     ,psz_parent(NULL)
 904     ,b_is_leaving(false)
 905     {}
 906
 907     virtual ~chapter_item_c()
 908     {
 909         std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
 910         while ( index != codecs.end() )
 911         {
 912             delete (*index);
 913             index++;
 914         }
 915         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
 916         while ( index_ != sub_chapters.end() )
 917         {
 918             delete (*index_);
 919             index_++;
 920         }
 921     }
 922
 923     int64_t RefreshChapters( bool b_ordered, int64_t i_prev_user_time );
 924     int PublishChapters( input_title_t & title, int & i_user_chapters, int i_level = 0 );
 925     virtual chapter_item_c * FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current, bool & b_found );
 926     void Append( const chapter_item_c & edition );
 927     chapter_item_c * FindChapter( int64_t i_find_uid );
 928     virtual chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
 929                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
 930                                     const void *p_cookie,
 931                                     size_t i_cookie_size );
 932     std::string                 GetCodecName( bool f_for_title = false ) const;
 933     bool                        ParentOf( const chapter_item_c & item ) const;
 934     int16                       GetTitleNumber( ) const;
 935
 936     int64_t                     i_start_time, i_end_time;
 937     int64_t                     i_user_start_time, i_user_end_time; /* the time in the stream when an edition is ordered */
 938     std::vector<chapter_item_c*> sub_chapters;
 939     int                         i_seekpoint_num;
 940     int64_t                     i_uid;
 941     bool                        b_display_seekpoint;
 942     bool                        b_user_display;
 943     std::string                 psz_name;
 944     chapter_item_c              *psz_parent;
 945     bool                        b_is_leaving;
 946
 947     std::vector<chapter_codec_cmds_c*> codecs;
 948
 949     bool operator<( const chapter_item_c & item ) const
 950     {
 951         return ( i_user_start_time < item.i_user_start_time || (i_user_start_time == item.i_user_start_time && i_user_end_time < item.i_user_end_time) );
 952     }
 953
 954     bool Enter( bool b_do_subchapters );
 955     bool Leave( bool b_do_subchapters );
 956     bool EnterAndLeave( chapter_item_c *p_item, bool b_enter = true );
 957 };
 958
 959 class chapter_edition_c : public chapter_item_c
 960 {
 961 public:
 962     chapter_edition_c()
 963     :b_ordered(false)
 964     {}
 965
 966     void RefreshChapters( );
 967     mtime_t Duration() const;
 968     std::string GetMainName() const;
 969     chapter_item_c * FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current );
 970
 971     bool                        b_ordered;
 972 };
 973
 974 class matroska_segment_c
 975 {
 976 public:
 977     matroska_segment_c( demux_sys_t & demuxer, EbmlStream & estream )
 978         :segment(NULL)
 979         ,es(estream)
 980         ,i_timescale(MKVD_TIMECODESCALE)
 981         ,i_duration(-1)
 982         ,i_start_time(0)
 983         ,i_cues_position(-1)
 984         ,i_chapters_position(-1)
 985         ,i_tags_position(-1)
 986         ,cluster(NULL)
 987         ,i_block_pos(0)
 988         ,i_cluster_pos(0)
 989         ,i_start_pos(0)
 990         ,p_segment_uid(NULL)
 991         ,p_prev_segment_uid(NULL)
 992         ,p_next_segment_uid(NULL)
 993         ,b_cues(VLC_FALSE)
 994         ,i_index(0)
 995         ,i_index_max(1024)
 996         ,psz_muxing_application(NULL)
 997         ,psz_writing_application(NULL)
 998         ,psz_segment_filename(NULL)
 999         ,psz_title(NULL)
1000         ,psz_date_utc(NULL)
1001         ,i_default_edition(0)
1002         ,sys(demuxer)
1003         ,ep(NULL)
1004         ,b_preloaded(false)
1005     {
1006         p_indexes = (mkv_index_t*)malloc( sizeof( mkv_index_t ) * i_index_max );
1007     }
1008
1009     virtual ~matroska_segment_c()
1010     {
1011         for( size_t i_track = 0; i_track < tracks.size(); i_track++ )
1012         {
1013             if( tracks[i_track]->fmt.psz_description )
1014             {
1015                 free( tracks[i_track]->fmt.psz_description );
1016             }
1017 /*            if( tracks[i_track]->psz_codec )
1018             {
1019                 free( tracks[i_track]->psz_codec );
1020             }
1021             if( tracks[i_track]->fmt.psz_language )
1022             {
1023                 free( tracks[i_track]->fmt.psz_language );
1024             }*/
1025             delete tracks[i_track];
1026         }
1027
1028         if( psz_writing_application )
1029         {
1030             free( psz_writing_application );
1031         }
1032         if( psz_muxing_application )
1033         {
1034             free( psz_muxing_application );
1035         }
1036         if( psz_segment_filename )
1037         {
1038             free( psz_segment_filename );
1039         }
1040         if( psz_title )
1041         {
1042             free( psz_title );
1043         }
1044         if( psz_date_utc )
1045         {
1046             free( psz_date_utc );
1047         }
1048         if ( p_indexes )
1049             free( p_indexes );
1050
1051         delete ep;
1052         delete p_segment_uid;
1053         delete p_prev_segment_uid;
1054         delete p_next_segment_uid;
1055
1056         std::vector<chapter_edition_c*>::iterator index = stored_editions.begin();
1057         while ( index != stored_editions.end() )
1058         {
1059             delete (*index);
1060             index++;
1061         }
1062         std::vector<chapter_translation_c*>::iterator indext = translations.begin();
1063         while ( indext != translations.end() )
1064         {
1065             delete (*indext);
1066             indext++;
1067         }
1068     }
1069
1070     KaxSegment              *segment;
1071     EbmlStream              & es;
1072
1073     /* time scale */
1074     uint64_t                i_timescale;
1075
1076     /* duration of the segment */
1077     mtime_t                 i_duration;
1078     mtime_t                 i_start_time;
1079
1080     /* all tracks */
1081     std::vector<mkv_track_t*> tracks;
1082
1083     /* from seekhead */
1084     int64_t                 i_cues_position;
1085     int64_t                 i_chapters_position;
1086     int64_t                 i_tags_position;
1087
1088     KaxCluster              *cluster;
1089     uint64                  i_block_pos;
1090     uint64                  i_cluster_pos;
1091     int64_t                 i_start_pos;
1092     KaxSegmentUID           *p_segment_uid;
1093     KaxPrevUID              *p_prev_segment_uid;
1094     KaxNextUID              *p_next_segment_uid;
1095
1096     vlc_bool_t              b_cues;
1097     int                     i_index;
1098     int                     i_index_max;
1099     mkv_index_t             *p_indexes;
1100
1101     /* info */
1102     char                    *psz_muxing_application;
1103     char                    *psz_writing_application;
1104     char                    *psz_segment_filename;
1105     char                    *psz_title;
1106     char                    *psz_date_utc;
1107
1108     /* !!!!! GCC 3.3 bug on Darwin !!!!! */
1109     /* when you remove this variable the compiler issues an atomicity error */
1110     /* this variable only works when using std::vector<chapter_edition_c> */
1111     std::vector<chapter_edition_c*> stored_editions;
1112     int                             i_default_edition;
1113
1114     std::vector<chapter_translation_c*> translations;
1115     std::vector<KaxSegmentFamily>  families;
1116
1117     demux_sys_t                    & sys;
1118     EbmlParser                     *ep;
1119     bool                           b_preloaded;
1120
1121     bool Preload( );
1122     bool PreloadFamily( const matroska_segment_c & segment );
1123     void ParseInfo( KaxInfo *info );
1124     void ParseChapters( KaxChapters *chapters );
1125     void ParseSeekHead( KaxSeekHead *seekhead );
1126     void ParseTracks( KaxTracks *tracks );
1127     void ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters );
1128     void ParseTrackEntry( KaxTrackEntry *m );
1129     void ParseCluster( );
1130     void IndexAppendCluster( KaxCluster *cluster );
1131     void LoadCues( );
1132     void LoadTags( );
1133     void InformationCreate( );
1134     void Seek( mtime_t i_date, mtime_t i_time_offset );
1135     int BlockGet( KaxBlock * & pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration );
1136     bool Select( mtime_t i_start_time );
1137     void UnSelect( );
1138
1139     static bool CompareSegmentUIDs( const matroska_segment_c * item_a, const matroska_segment_c * item_b );
1140 };
1141
1142 // class holding hard-linked segment together in the playback order
1143 class virtual_segment_c
1144 {
1145 public:
1146     virtual_segment_c( matroska_segment_c *p_segment )
1147         :p_editions(NULL)
1148         ,i_sys_title(0)
1149         ,i_current_segment(0)
1150         ,i_current_edition(-1)
1151         ,psz_current_chapter(NULL)
1152     {
1153         linked_segments.push_back( p_segment );
1154
1155         AppendUID( p_segment->p_segment_uid );
1156         AppendUID( p_segment->p_prev_segment_uid );
1157         AppendUID( p_segment->p_next_segment_uid );
1158     }
1159
1160     void Sort();
1161     size_t AddSegment( matroska_segment_c *p_segment );
1162     void PreloadLinked( );
1163     mtime_t Duration( ) const;
1164     void LoadCues( );
1165     void Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter );
1166
1167     inline chapter_edition_c *Edition()
1168     {
1169         if ( i_current_edition >= 0 && size_t(i_current_edition) < p_editions->size() )
1170             return (*p_editions)[i_current_edition];
1171         return NULL;
1172     }
1173
1174     matroska_segment_c * Segment() const
1175     {
1176         if ( linked_segments.size() == 0 || i_current_segment >= linked_segments.size() )
1177             return NULL;
1178         return linked_segments[i_current_segment];
1179     }
1180
1181     inline chapter_item_c *CurrentChapter() {
1182         return psz_current_chapter;
1183     }
1184
1185     bool SelectNext()
1186     {
1187         if ( i_current_segment < linked_segments.size()-1 )
1188         {
1189             i_current_segment++;
1190             return true;
1191         }
1192         return false;
1193     }
1194
1195     bool FindUID( KaxSegmentUID & uid ) const
1196     {
1197         for ( size_t i=0; i<linked_uids.size(); i++ )
1198         {
1199             if ( linked_uids[i] == uid )
1200                 return true;
1201         }
1202         return false;
1203     }
1204
1205     bool UpdateCurrentToChapter( demux_t & demux );
1206     void PrepareChapters( );
1207
1208     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
1209                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
1210                                         const void *p_cookie,
1211                                         size_t i_cookie_size );
1212     chapter_item_c *FindChapter( int64_t i_find_uid );
1213
1214     std::vector<chapter_edition_c*>  *p_editions;
1215     int                              i_sys_title;
1216
1217 protected:
1218     std::vector<matroska_segment_c*> linked_segments;
1219     std::vector<KaxSegmentUID>       linked_uids;
1220     size_t                           i_current_segment;
1221
1222     int                              i_current_edition;
1223     chapter_item_c                   *psz_current_chapter;
1224
1225     void                             AppendUID( const EbmlBinary * UID );
1226 };
1227
1228 class matroska_stream_c
1229 {
1230 public:
1231     matroska_stream_c( demux_sys_t & demuxer )
1232         :p_in(NULL)
1233         ,p_es(NULL)
1234         ,sys(demuxer)
1235     {}
1236
1237     virtual ~matroska_stream_c()
1238     {
1239         delete p_in;
1240         delete p_es;
1241     }
1242
1243     IOCallback         *p_in;
1244     EbmlStream         *p_es;
1245
1246     std::vector<matroska_segment_c*> segments;
1247
1248     demux_sys_t                      & sys;
1249 };
1250
1251 typedef struct
1252 {
1253     VLC_COMMON_MEMBERS
1254
1255     demux_t        *p_demux;
1256     vlc_mutex_t     lock;
1257
1258     vlc_bool_t      b_moved;
1259     vlc_bool_t      b_clicked;
1260     vlc_bool_t      b_key;
1261
1262 } event_thread_t;
1263
1264 class demux_sys_t
1265 {
1266 public:
1267     demux_sys_t( demux_t & demux )
1268         :demuxer(demux)
1269         ,i_pts(0)
1270         ,i_last_dts(0)
1271         ,i_start_pts(0)
1272         ,i_chapter_time(0)
1273         ,meta(NULL)
1274         ,i_current_title(0)
1275         ,p_current_segment(NULL)
1276         ,dvd_interpretor( *this )
1277         ,f_duration(-1.0)
1278         ,b_ui_hooked(false)
1279         ,p_input(NULL)
1280         ,b_pci_packet_set(false)
1281         ,p_ev(NULL)
1282     {
1283         vlc_mutex_init( &demuxer, &lock_demuxer );
1284     }
1285
1286     virtual ~demux_sys_t()
1287     {
1288         StopUiThread();
1289         size_t i;
1290         for ( i=0; i<streams.size(); i++ )
1291             delete streams[i];
1292         for ( i=0; i<opened_segments.size(); i++ )
1293             delete opened_segments[i];
1294         for ( i=0; i<used_segments.size(); i++ )
1295             delete used_segments[i];
1296         vlc_mutex_destroy( &lock_demuxer );
1297     }
1298
1299     /* current data */
1300     demux_t                 & demuxer;
1301
1302     mtime_t                 i_pts;
1303     mtime_t                 i_last_dts;
1304     mtime_t                 i_start_pts;
1305     mtime_t                 i_chapter_time;
1306
1307     vlc_meta_t              *meta;
1308
1309     std::vector<input_title_t*>      titles; // matroska editions
1310     size_t                           i_current_title;
1311
1312     std::vector<matroska_stream_c*>  streams;
1313     std::vector<matroska_segment_c*> opened_segments;
1314     std::vector<virtual_segment_c*>  used_segments;
1315     virtual_segment_c                *p_current_segment;
1316
1317     dvd_command_interpretor_c        dvd_interpretor;
1318
1319     /* duration of the stream */
1320     float                   f_duration;
1321
1322     matroska_segment_c *FindSegment( const EbmlBinary & uid ) const;
1323     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
1324                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
1325                                         const void *p_cookie,
1326                                         size_t i_cookie_size,
1327                                         virtual_segment_c * & p_segment_found );
1328     chapter_item_c *FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found );
1329
1330     void PreloadFamily( const matroska_segment_c & of_segment );
1331     void PreloadLinked( matroska_segment_c *p_segment );
1332     bool PreparePlayback( virtual_segment_c *p_new_segment );
1333     matroska_stream_c *AnalyseAllSegmentsFound( EbmlStream *p_estream );
1334     void JumpTo( virtual_segment_c & p_segment, chapter_item_c * p_chapter );
1335
1336     void StartUiThread();
1337     void StopUiThread();
1338     bool b_ui_hooked;
1339     inline void SwapButtons();
1340
1341     /* for spu variables */
1342     input_thread_t *p_input;
1343     pci_t          pci_packet;
1344     bool           b_pci_packet_set;
1345     uint8_t        palette[4][4];
1346     vlc_mutex_t    lock_demuxer;
1347
1348     /* event */
1349     event_thread_t *p_ev;
1350     static int EventThread( vlc_object_t *p_this );
1351     static int EventMouse( vlc_object_t *p_this, char const *psz_var,
1352                        vlc_value_t oldval, vlc_value_t newval, void *p_data );
1353     static int EventKey( vlc_object_t *p_this, char const *psz_var,
1354                      vlc_value_t oldval, vlc_value_t newval, void *p_data );
1355
1356
1357
1358 protected:
1359     virtual_segment_c *VirtualFromSegments( matroska_segment_c *p_segment ) const;
1360     bool IsUsedSegment( matroska_segment_c &p_segment ) const;
1361 };
1362
1363 static int  Demux  ( demux_t * );
1364 static int  Control( demux_t *, int, va_list );
1365 static void Seek   ( demux_t *, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter );
1366
1367 #define MKV_IS_ID( el, C ) ( EbmlId( (*el) ) == C::ClassInfos.GlobalId )
1368
1369 static char *UTF8ToStr          ( const UTFstring &u );
1370
1371 /*****************************************************************************
1372  * Open: initializes matroska demux structures
1373  *****************************************************************************/
1374 static int Open( vlc_object_t * p_this )
1375 {
1376     demux_t            *p_demux = (demux_t*)p_this;
1377     demux_sys_t        *p_sys;
1378     matroska_stream_c  *p_stream;
1379     matroska_segment_c *p_segment;
1380     uint8_t            *p_peek;
1381     std::string        s_path, s_filename;
1382     vlc_stream_io_callback *p_io_callback;
1383     EbmlStream         *p_io_stream;
1384
1385     /* peek the begining */
1386     if( stream_Peek( p_demux->s, &p_peek, 4 ) < 4 ) return VLC_EGENERIC;
1387
1388     /* is a valid file */
1389     if( p_peek[0] != 0x1a || p_peek[1] != 0x45 ||
1390         p_peek[2] != 0xdf || p_peek[3] != 0xa3 ) return VLC_EGENERIC;
1391
1392     /* Set the demux function */
1393     p_demux->pf_demux   = Demux;
1394     p_demux->pf_control = Control;
1395     p_demux->p_sys      = p_sys = new demux_sys_t( *p_demux );
1396
1397     p_io_callback = new vlc_stream_io_callback( p_demux->s );
1398     p_io_stream = new EbmlStream( *p_io_callback );
1399
1400     if( p_io_stream == NULL )
1401     {
1402         msg_Err( p_demux, "failed to create EbmlStream" );
1403         delete p_io_callback;
1404         delete p_sys;
1405         return VLC_EGENERIC;
1406     }
1407
1408     p_stream = p_sys->AnalyseAllSegmentsFound( p_io_stream );
1409     if( p_stream == NULL )
1410     {
1411         msg_Err( p_demux, "cannot find KaxSegment" );
1412         goto error;
1413     }
1414     p_sys->streams.push_back( p_stream );
1415
1416     p_stream->p_in = p_io_callback;
1417     p_stream->p_es = p_io_stream;
1418
1419     for (size_t i=0; i<p_stream->segments.size(); i++)
1420     {
1421         p_stream->segments[i]->Preload();
1422     }
1423
1424     p_segment = p_stream->segments[0];
1425     if( p_segment->cluster != NULL )
1426     {
1427         msg_Warn( p_demux, "cannot find any cluster, damaged file ?" );
1428
1429         // reset the stream reading to the first cluster of the segment used
1430         p_stream->p_in->setFilePointer( p_segment->cluster->GetElementPosition() );
1431     }
1432
1433     /* get the files from the same dir from the same family (based on p_demux->psz_path) */
1434     if (p_demux->psz_path[0] != '\0' && !strcmp(p_demux->psz_access, ""))
1435     {
1436         // assume it's a regular file
1437         // get the directory path
1438         s_path = p_demux->psz_path;
1439         if (s_path.at(s_path.length() - 1) == DIRECTORY_SEPARATOR)
1440         {
1441             s_path = s_path.substr(0,s_path.length()-1);
1442         }
1443         else
1444         {
1445             if (s_path.find_last_of(DIRECTORY_SEPARATOR) > 0)
1446             {
1447                 s_path = s_path.substr(0,s_path.find_last_of(DIRECTORY_SEPARATOR));
1448             }
1449         }
1450
1451         struct dirent *p_file_item;
1452         DIR *p_src_dir = opendir(s_path.c_str());
1453
1454         if (p_src_dir != NULL)
1455         {
1456             while ((p_file_item = (dirent *) readdir(p_src_dir)))
1457             {
1458                 if (strlen(p_file_item->d_name) > 4)
1459                 {
1460                     s_filename = s_path + DIRECTORY_SEPARATOR + p_file_item->d_name;
1461
1462                     if (!s_filename.compare(p_demux->psz_path))
1463                         continue; // don't reuse the original opened file
1464
1465 #if defined(__GNUC__) && (__GNUC__ < 3)
1466                     if (!s_filename.compare("mkv", s_filename.length() - 3, 3) ||
1467                         !s_filename.compare("mka", s_filename.length() - 3, 3))
1468 #else
1469                     if (!s_filename.compare(s_filename.length() - 3, 3, "mkv") ||
1470                         !s_filename.compare(s_filename.length() - 3, 3, "mka"))
1471 #endif
1472                     {
1473                         // test wether this file belongs to our family
1474                         vlc_stream_io_callback *p_file_io = new vlc_stream_io_callback( stream_UrlNew( p_demux, s_filename.c_str()));
1475                         EbmlStream *p_estream = new EbmlStream(*p_file_io);
1476
1477                         p_stream = p_sys->AnalyseAllSegmentsFound( p_estream );
1478                         if ( p_stream == NULL )
1479                         {
1480                             msg_Dbg( p_demux, "the file '%s' will not be used", s_filename.c_str() );
1481                             delete p_estream;
1482                             delete p_file_io;
1483                         }
1484                         else
1485                         {
1486                             p_stream->p_in = p_file_io;
1487                             p_stream->p_es = p_estream;
1488                             p_sys->streams.push_back( p_stream );
1489                         }
1490                     }
1491                 }
1492             }
1493             closedir( p_src_dir );
1494         }
1495     }
1496
1497     p_sys->PreloadFamily( *p_segment );
1498     p_sys->PreloadLinked( p_segment );
1499     if ( !p_sys->PreparePlayback( NULL ) )
1500     {
1501         msg_Err( p_demux, "cannot use the segment" );
1502         goto error;
1503     }
1504
1505     p_sys->StartUiThread();
1506
1507     return VLC_SUCCESS;
1508
1509 error:
1510     delete p_sys;
1511     return VLC_EGENERIC;
1512 }
1513
1514 /*****************************************************************************
1515  * Close: frees unused data
1516  *****************************************************************************/
1517 static void Close( vlc_object_t *p_this )
1518 {
1519     demux_t     *p_demux = (demux_t*)p_this;
1520     demux_sys_t *p_sys   = p_demux->p_sys;
1521
1522     delete p_sys;
1523 }
1524
1525 /*****************************************************************************
1526  * Control:
1527  *****************************************************************************/
1528 static int Control( demux_t *p_demux, int i_query, va_list args )
1529 {
1530     demux_sys_t        *p_sys = p_demux->p_sys;
1531     int64_t     *pi64;
1532     double      *pf, f;
1533     int         i_skp;
1534     size_t      i_idx;
1535
1536     vlc_meta_t **pp_meta;
1537
1538     switch( i_query )
1539     {
1540         case DEMUX_GET_META:
1541             pp_meta = (vlc_meta_t**)va_arg( args, vlc_meta_t** );
1542             *pp_meta = vlc_meta_Duplicate( p_sys->meta );
1543             return VLC_SUCCESS;
1544
1545         case DEMUX_GET_LENGTH:
1546             pi64 = (int64_t*)va_arg( args, int64_t * );
1547             if( p_sys->f_duration > 0.0 )
1548             {
1549                 *pi64 = (int64_t)(p_sys->f_duration * 1000);
1550                 return VLC_SUCCESS;
1551             }
1552             return VLC_EGENERIC;
1553
1554         case DEMUX_GET_POSITION:
1555             pf = (double*)va_arg( args, double * );
1556             if ( p_sys->f_duration > 0.0 )
1557                 *pf = (double)(p_sys->i_pts >= p_sys->i_start_pts ? p_sys->i_pts : p_sys->i_start_pts ) / (1000.0 * p_sys->f_duration);
1558             return VLC_SUCCESS;
1559
1560         case DEMUX_SET_POSITION:
1561             f = (double)va_arg( args, double );
1562             Seek( p_demux, -1, f, NULL );
1563             return VLC_SUCCESS;
1564
1565         case DEMUX_GET_TIME:
1566             pi64 = (int64_t*)va_arg( args, int64_t * );
1567             *pi64 = p_sys->i_pts;
1568             return VLC_SUCCESS;
1569
1570         case DEMUX_GET_TITLE_INFO:
1571             if( p_sys->titles.size() )
1572             {
1573                 input_title_t ***ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
1574                 int *pi_int    = (int*)va_arg( args, int* );
1575
1576                 *pi_int = p_sys->titles.size();
1577                 *ppp_title = (input_title_t**)malloc( sizeof( input_title_t**) * p_sys->titles.size() );
1578
1579                 for( size_t i = 0; i < p_sys->titles.size(); i++ )
1580                 {
1581                     (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->titles[i] );
1582                 }
1583
1584                 return VLC_SUCCESS;
1585             }
1586             return VLC_EGENERIC;
1587
1588         case DEMUX_SET_TITLE:
1589             /* TODO handle editions as titles */
1590             i_idx = (int)va_arg( args, int );
1591             if( i_idx < p_sys->used_segments.size() )
1592             {
1593                 p_sys->JumpTo( *p_sys->used_segments[i_idx], NULL );
1594                 return VLC_SUCCESS;
1595             }
1596             return VLC_EGENERIC;
1597
1598         case DEMUX_SET_SEEKPOINT:
1599             i_skp = (int)va_arg( args, int );
1600
1601             // TODO change the way it works with the << & >> buttons on the UI (+1/-1 instead of a number)
1602             if( p_sys->titles.size() && i_skp < p_sys->titles[p_sys->i_current_title]->i_seekpoint)
1603             {
1604                 Seek( p_demux, (int64_t)p_sys->titles[p_sys->i_current_title]->seekpoint[i_skp]->i_time_offset, -1, NULL);
1605                 p_demux->info.i_seekpoint |= INPUT_UPDATE_SEEKPOINT;
1606                 p_demux->info.i_seekpoint = i_skp;
1607                 return VLC_SUCCESS;
1608             }
1609             return VLC_EGENERIC;
1610
1611         case DEMUX_SET_TIME:
1612         case DEMUX_GET_FPS:
1613         default:
1614             return VLC_EGENERIC;
1615     }
1616 }
1617
1618 int matroska_segment_c::BlockGet( KaxBlock * & pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration )
1619 {
1620     pp_block = NULL;
1621     *pi_ref1  = 0;
1622     *pi_ref2  = 0;
1623
1624     for( ;; )
1625     {
1626         EbmlElement *el;
1627         int         i_level;
1628
1629         if ( ep == NULL )
1630             return VLC_EGENERIC;
1631
1632         el = ep->Get();
1633         i_level = ep->GetLevel();
1634
1635         if( el == NULL && pp_block != NULL )
1636         {
1637             /* update the index */
1638 #define idx p_indexes[i_index - 1]
1639             if( i_index > 0 && idx.i_time == -1 )
1640             {
1641                 idx.i_time        = (*pp_block).GlobalTimecode() / (mtime_t)1000;
1642                 idx.b_key         = *pi_ref1 == 0 ? VLC_TRUE : VLC_FALSE;
1643             }
1644 #undef idx
1645             return VLC_SUCCESS;
1646         }
1647
1648         if( el == NULL )
1649         {
1650             if( ep->GetLevel() > 1 )
1651             {
1652                 ep->Up();
1653                 continue;
1654             }
1655             msg_Warn( &sys.demuxer, "EOF" );
1656             return VLC_EGENERIC;
1657         }
1658
1659         /* do parsing */
1660         switch ( i_level )
1661         {
1662         case 1:
1663             if( MKV_IS_ID( el, KaxCluster ) )
1664             {
1665                 cluster = (KaxCluster*)el;
1666                 i_cluster_pos = cluster->GetElementPosition();
1667
1668                 /* add it to the index */
1669                 if( i_index == 0 ||
1670                     ( i_index > 0 && p_indexes[i_index - 1].i_position < (int64_t)cluster->GetElementPosition() ) )
1671                 {
1672                     IndexAppendCluster( cluster );
1673                 }
1674
1675                 // reset silent tracks
1676                 for (size_t i=0; i<tracks.size(); i++)
1677                 {
1678                     tracks[i]->b_silent = VLC_FALSE;
1679                 }
1680
1681                 ep->Down();
1682             }
1683             else if( MKV_IS_ID( el, KaxCues ) )
1684             {
1685                 msg_Warn( &sys.demuxer, "find KaxCues FIXME" );
1686                 return VLC_EGENERIC;
1687             }
1688             else
1689             {
1690                 msg_Dbg( &sys.demuxer, "unknown (%s)", typeid( el ).name() );
1691             }
1692             break;
1693         case 2:
1694             if( MKV_IS_ID( el, KaxClusterTimecode ) )
1695             {
1696                 KaxClusterTimecode &ctc = *(KaxClusterTimecode*)el;
1697
1698                 ctc.ReadData( es.I_O(), SCOPE_ALL_DATA );
1699                 cluster->InitTimecode( uint64( ctc ), i_timescale );
1700             }
1701             else if( MKV_IS_ID( el, KaxClusterSilentTracks ) )
1702             {
1703                 ep->Down();
1704             }
1705             else if( MKV_IS_ID( el, KaxBlockGroup ) )
1706             {
1707                 i_block_pos = el->GetElementPosition();
1708                 ep->Down();
1709             }
1710             break;
1711         case 3:
1712             if( MKV_IS_ID( el, KaxBlock ) )
1713             {
1714                 pp_block = (KaxBlock*)el;
1715
1716                 pp_block->ReadData( es.I_O() );
1717                 pp_block->SetParent( *cluster );
1718
1719                 ep->Keep();
1720             }
1721             else if( MKV_IS_ID( el, KaxBlockDuration ) )
1722             {
1723                 KaxBlockDuration &dur = *(KaxBlockDuration*)el;
1724
1725                 dur.ReadData( es.I_O() );
1726                 *pi_duration = uint64( dur );
1727             }
1728             else if( MKV_IS_ID( el, KaxReferenceBlock ) )
1729             {
1730                 KaxReferenceBlock &ref = *(KaxReferenceBlock*)el;
1731
1732                 ref.ReadData( es.I_O() );
1733                 if( *pi_ref1 == 0 )
1734                 {
1735                     *pi_ref1 = int64( ref ) * cluster->GlobalTimecodeScale();
1736                 }
1737                 else
1738                 {
1739                     *pi_ref2 = int64( ref ) * cluster->GlobalTimecodeScale();
1740                 }
1741             }
1742             else if( MKV_IS_ID( el, KaxClusterSilentTrackNumber ) )
1743             {
1744                 KaxClusterSilentTrackNumber &track_num = *(KaxClusterSilentTrackNumber*)el;
1745                 track_num.ReadData( es.I_O() );
1746                 // find the track
1747                 for (size_t i=0; i<tracks.size(); i++)
1748                 {
1749                     if ( tracks[i]->i_number == uint32(track_num))
1750                     {
1751                         tracks[i]->b_silent = VLC_TRUE;
1752                         break;
1753                     }
1754                 }
1755             }
1756             break;
1757         default:
1758             msg_Err( &sys.demuxer, "invalid level = %d", i_level );
1759             return VLC_EGENERIC;
1760         }
1761     }
1762 }
1763
1764 static block_t *MemToBlock( demux_t *p_demux, uint8_t *p_mem, int i_mem)
1765 {
1766     block_t *p_block;
1767     if( !(p_block = block_New( p_demux, i_mem ) ) ) return NULL;
1768     memcpy( p_block->p_buffer, p_mem, i_mem );
1769     //p_block->i_rate = p_input->stream.control.i_rate;
1770     return p_block;
1771 }
1772
1773 static void BlockDecode( demux_t *p_demux, KaxBlock *block, mtime_t i_pts,
1774                          mtime_t i_duration )
1775 {
1776     demux_sys_t        *p_sys = p_demux->p_sys;
1777     matroska_segment_c *p_segment = p_sys->p_current_segment->Segment();
1778
1779     size_t          i_track;
1780     unsigned int    i;
1781     vlc_bool_t      b;
1782
1783 #define tk  p_segment->tracks[i_track]
1784     for( i_track = 0; i_track < p_segment->tracks.size(); i_track++ )
1785     {
1786         if( tk->i_number == block->TrackNum() )
1787         {
1788             break;
1789         }
1790     }
1791
1792     if( i_track >= p_segment->tracks.size() )
1793     {
1794         msg_Err( p_demux, "invalid track number=%d", block->TrackNum() );
1795         return;
1796     }
1797     if( tk->fmt.i_cat != NAV_ES && tk->p_es == NULL )
1798     {
1799         msg_Err( p_demux, "unknown track number=%d", block->TrackNum() );
1800         return;
1801     }
1802     if( i_pts + i_duration < p_sys->i_start_pts && tk->fmt.i_cat == AUDIO_ES )
1803     {
1804         return; /* discard audio packets that shouldn't be rendered */
1805     }
1806
1807     if ( tk->fmt.i_cat != NAV_ES )
1808     {
1809         es_out_Control( p_demux->out, ES_OUT_GET_ES_STATE, tk->p_es, &b );
1810
1811         if( !b )
1812         {
1813             tk->b_inited = VLC_FALSE;
1814             return;
1815         }
1816     }
1817
1818
1819     /* First send init data */
1820     if( !tk->b_inited && tk->i_data_init > 0 )
1821     {
1822         block_t *p_init;
1823
1824         msg_Dbg( p_demux, "sending header (%d bytes)", tk->i_data_init );
1825         p_init = MemToBlock( p_demux, tk->p_data_init, tk->i_data_init );
1826         if( p_init ) es_out_Send( p_demux->out, tk->p_es, p_init );
1827     }
1828     tk->b_inited = VLC_TRUE;
1829
1830
1831     for( i = 0; i < block->NumberFrames(); i++ )
1832     {
1833         block_t *p_block;
1834         DataBuffer &data = block->GetBuffer(i);
1835
1836         p_block = MemToBlock( p_demux, data.Buffer(), data.Size() );
1837
1838         if( p_block == NULL )
1839         {
1840             break;
1841         }
1842
1843 #if defined(HAVE_ZLIB_H)
1844         if( tk->i_compression_type )
1845         {
1846             p_block = block_zlib_decompress( VLC_OBJECT(p_demux), p_block );
1847         }
1848 #endif
1849
1850         if ( tk->fmt.i_cat == NAV_ES )
1851         {
1852             // TODO handle the start/stop times of this packet
1853             if ( p_sys->b_ui_hooked )
1854             {
1855                 vlc_mutex_lock( &p_sys->p_ev->lock );
1856                 memcpy( &p_sys->pci_packet, &p_block->p_buffer[1], sizeof(pci_t) );
1857                 p_sys->SwapButtons();
1858                 p_sys->b_pci_packet_set = true;
1859                 vlc_mutex_unlock( &p_sys->p_ev->lock );
1860                 block_Release( p_block );
1861             }
1862             return;
1863         }
1864         // TODO implement correct timestamping when B frames are used
1865 #if 0
1866         if( tk->fmt.i_cat != VIDEO_ES )
1867         {
1868             p_block->i_dts = p_block->i_pts = i_pts;
1869         }
1870         else
1871         {
1872             p_block->i_pts = i_pts;
1873             p_block->i_dts = p_sys->i_pts;
1874         }
1875 #else
1876         p_block->i_pts = i_pts;
1877         p_block->i_dts = p_sys->i_last_dts;
1878 #endif
1879
1880 #if 0
1881 msg_Dbg( p_demux, "block i_dts: "I64Fd" / i_pts: "I64Fd, p_block->i_dts, p_block->i_pts);
1882 #endif
1883         if( strcmp( tk->psz_codec, "S_VOBSUB" ) )
1884         {
1885             p_block->i_length = i_duration * 1000;
1886         }
1887
1888         es_out_Send( p_demux->out, tk->p_es, p_block );
1889
1890         /* use time stamp only for first block */
1891         i_pts = 0;
1892     }
1893
1894 #undef tk
1895 }
1896
1897 matroska_stream_c *demux_sys_t::AnalyseAllSegmentsFound( EbmlStream *p_estream )
1898 {
1899     int i_upper_lvl = 0;
1900     size_t i;
1901     EbmlElement *p_l0, *p_l1, *p_l2;
1902     bool b_keep_stream = false, b_keep_segment;
1903
1904     // verify the EBML Header
1905     p_l0 = p_estream->FindNextID(EbmlHead::ClassInfos, 0xFFFFFFFFL);
1906     if (p_l0 == NULL)
1907     {
1908         return NULL;
1909     }
1910     p_l0->SkipData(*p_estream, EbmlHead_Context);
1911     delete p_l0;
1912
1913     // find all segments in this file
1914     p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFFLL);
1915     if (p_l0 == NULL)
1916     {
1917         return NULL;
1918     }
1919
1920     matroska_stream_c *p_stream1 = new matroska_stream_c( *this );
1921
1922     while (p_l0 != 0)
1923     {
1924         if (EbmlId(*p_l0) == KaxSegment::ClassInfos.GlobalId)
1925         {
1926             EbmlParser  *ep;
1927             matroska_segment_c *p_segment1 = new matroska_segment_c( *this, *p_estream );
1928             b_keep_segment = false;
1929
1930             ep = new EbmlParser(p_estream, p_l0, &demuxer );
1931             p_segment1->ep = ep;
1932             p_segment1->segment = (KaxSegment*)p_l0;
1933
1934             while ((p_l1 = ep->Get()))
1935             {
1936                 if (MKV_IS_ID(p_l1, KaxInfo))
1937                 {
1938                     // find the families of this segment
1939                     KaxInfo *p_info = static_cast<KaxInfo*>(p_l1);
1940
1941                     p_info->Read(*p_estream, KaxInfo::ClassInfos.Context, i_upper_lvl, p_l2, true);
1942                     for( i = 0; i < p_info->ListSize(); i++ )
1943                     {
1944                         EbmlElement *l = (*p_info)[i];
1945
1946                         if( MKV_IS_ID( l, KaxSegmentUID ) )
1947                         {
1948                             KaxSegmentUID *p_uid = static_cast<KaxSegmentUID*>(l);
1949                             b_keep_segment = (FindSegment( *p_uid ) == NULL);
1950                             if ( !b_keep_segment )
1951                                 break; // this segment is already known
1952                             opened_segments.push_back( p_segment1 );
1953                             delete p_segment1->p_segment_uid;
1954                             p_segment1->p_segment_uid = new KaxSegmentUID(*p_uid);
1955                         }
1956                         else if( MKV_IS_ID( l, KaxPrevUID ) )
1957                         {
1958                             p_segment1->p_prev_segment_uid = new KaxPrevUID( *static_cast<KaxPrevUID*>(l) );
1959                         }
1960                         else if( MKV_IS_ID( l, KaxNextUID ) )
1961                         {
1962                             p_segment1->p_next_segment_uid = new KaxNextUID( *static_cast<KaxNextUID*>(l) );
1963                         }
1964                         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
1965                         {
1966                             KaxSegmentFamily *p_fam = new KaxSegmentFamily( *static_cast<KaxSegmentFamily*>(l) );
1967                             p_segment1->families.push_back( *p_fam );
1968                         }
1969                     }
1970                     break;
1971                 }
1972             }
1973             if ( b_keep_segment )
1974             {
1975                 b_keep_stream = true;
1976                 p_stream1->segments.push_back( p_segment1 );
1977             }
1978             else
1979                 delete p_segment1;
1980         }
1981
1982         p_l0->SkipData(*p_estream, EbmlHead_Context);
1983         p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFL);
1984     }
1985
1986     if ( !b_keep_stream )
1987     {
1988         delete p_stream1;
1989         p_stream1 = NULL;
1990     }
1991
1992     return p_stream1;
1993 }
1994
1995 bool matroska_segment_c::Select( mtime_t i_start_time )
1996 {
1997     size_t i_track;
1998
1999     /* add all es */
2000     msg_Dbg( &sys.demuxer, "found %d es", tracks.size() );
2001     sys.b_pci_packet_set = false;
2002
2003     for( i_track = 0; i_track < tracks.size(); i_track++ )
2004     {
2005         if( tracks[i_track]->fmt.i_cat == UNKNOWN_ES )
2006         {
2007             msg_Warn( &sys.demuxer, "invalid track[%d, n=%d]", i_track, tracks[i_track]->i_number );
2008             tracks[i_track]->p_es = NULL;
2009             continue;
2010         }
2011
2012         if( !strcmp( tracks[i_track]->psz_codec, "V_MS/VFW/FOURCC" ) )
2013         {
2014             if( tracks[i_track]->i_extra_data < (int)sizeof( BITMAPINFOHEADER ) )
2015             {
2016                 msg_Err( &sys.demuxer, "missing/invalid BITMAPINFOHEADER" );
2017                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2018             }
2019             else
2020             {
2021                 BITMAPINFOHEADER *p_bih = (BITMAPINFOHEADER*)tracks[i_track]->p_extra_data;
2022
2023                 tracks[i_track]->fmt.video.i_width = GetDWLE( &p_bih->biWidth );
2024                 tracks[i_track]->fmt.video.i_height= GetDWLE( &p_bih->biHeight );
2025                 tracks[i_track]->fmt.i_codec       = GetFOURCC( &p_bih->biCompression );
2026
2027                 tracks[i_track]->fmt.i_extra       = GetDWLE( &p_bih->biSize ) - sizeof( BITMAPINFOHEADER );
2028                 if( tracks[i_track]->fmt.i_extra > 0 )
2029                 {
2030                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2031                     memcpy( tracks[i_track]->fmt.p_extra, &p_bih[1], tracks[i_track]->fmt.i_extra );
2032                 }
2033             }
2034         }
2035         else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG1" ) ||
2036                  !strcmp( tracks[i_track]->psz_codec, "V_MPEG2" ) )
2037         {
2038             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'v' );
2039         }
2040         else if( !strncmp( tracks[i_track]->psz_codec, "V_MPEG4", 7 ) )
2041         {
2042             if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/MS/V3" ) )
2043             {
2044                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'D', 'I', 'V', '3' );
2045             }
2046             else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/ISO/AVC" ) )
2047             {
2048                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'v', 'c', '1' );
2049                 tracks[i_track]->fmt.b_packetized = VLC_FALSE;
2050                 tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2051                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2052                 memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2053             }
2054             else
2055             {
2056                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' );
2057             }
2058         }
2059         else if( !strcmp( tracks[i_track]->psz_codec, "V_QUICKTIME" ) )
2060         {
2061             MP4_Box_t *p_box = (MP4_Box_t*)malloc( sizeof( MP4_Box_t ) );
2062             stream_t *p_mp4_stream = stream_MemoryNew( VLC_OBJECT(&sys.demuxer),
2063                                                        tracks[i_track]->p_extra_data,
2064                                                        tracks[i_track]->i_extra_data,
2065                                                        VLC_FALSE );
2066             MP4_ReadBoxCommon( p_mp4_stream, p_box );
2067             MP4_ReadBox_sample_vide( p_mp4_stream, p_box );
2068             tracks[i_track]->fmt.i_codec = p_box->i_type;
2069             tracks[i_track]->fmt.video.i_width = p_box->data.p_sample_vide->i_width;
2070             tracks[i_track]->fmt.video.i_height = p_box->data.p_sample_vide->i_height;
2071             tracks[i_track]->fmt.i_extra = p_box->data.p_sample_vide->i_qt_image_description;
2072             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2073             memcpy( tracks[i_track]->fmt.p_extra, p_box->data.p_sample_vide->p_qt_image_description, tracks[i_track]->fmt.i_extra );
2074             MP4_FreeBox_sample_vide( p_box );
2075             stream_Delete( p_mp4_stream );
2076         }
2077         else if( !strcmp( tracks[i_track]->psz_codec, "A_MS/ACM" ) )
2078         {
2079             if( tracks[i_track]->i_extra_data < (int)sizeof( WAVEFORMATEX ) )
2080             {
2081                 msg_Err( &sys.demuxer, "missing/invalid WAVEFORMATEX" );
2082                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2083             }
2084             else
2085             {
2086                 WAVEFORMATEX *p_wf = (WAVEFORMATEX*)tracks[i_track]->p_extra_data;
2087
2088                 wf_tag_to_fourcc( GetWLE( &p_wf->wFormatTag ), &tracks[i_track]->fmt.i_codec, NULL );
2089
2090                 tracks[i_track]->fmt.audio.i_channels   = GetWLE( &p_wf->nChannels );
2091                 tracks[i_track]->fmt.audio.i_rate = GetDWLE( &p_wf->nSamplesPerSec );
2092                 tracks[i_track]->fmt.i_bitrate    = GetDWLE( &p_wf->nAvgBytesPerSec ) * 8;
2093                 tracks[i_track]->fmt.audio.i_blockalign = GetWLE( &p_wf->nBlockAlign );;
2094                 tracks[i_track]->fmt.audio.i_bitspersample = GetWLE( &p_wf->wBitsPerSample );
2095
2096                 tracks[i_track]->fmt.i_extra            = GetWLE( &p_wf->cbSize );
2097                 if( tracks[i_track]->fmt.i_extra > 0 )
2098                 {
2099                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2100                     memcpy( tracks[i_track]->fmt.p_extra, &p_wf[1], tracks[i_track]->fmt.i_extra );
2101                 }
2102             }
2103         }
2104         else if( !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L3" ) ||
2105                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L2" ) ||
2106                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L1" ) )
2107         {
2108             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' );
2109         }
2110         else if( !strcmp( tracks[i_track]->psz_codec, "A_AC3" ) )
2111         {
2112             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' );
2113         }
2114         else if( !strcmp( tracks[i_track]->psz_codec, "A_DTS" ) )
2115         {
2116             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'd', 't', 's', ' ' );
2117         }
2118         else if( !strcmp( tracks[i_track]->psz_codec, "A_FLAC" ) )
2119         {
2120             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'f', 'l', 'a', 'c' );
2121             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2122             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2123             memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2124         }
2125         else if( !strcmp( tracks[i_track]->psz_codec, "A_VORBIS" ) )
2126         {
2127             int i, i_offset = 1, i_size[3], i_extra;
2128             uint8_t *p_extra;
2129
2130             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'v', 'o', 'r', 'b' );
2131
2132             /* Split the 3 headers */
2133             if( tracks[i_track]->p_extra_data[0] != 0x02 )
2134                 msg_Err( &sys.demuxer, "invalid vorbis header" );
2135
2136             for( i = 0; i < 2; i++ )
2137             {
2138                 i_size[i] = 0;
2139                 while( i_offset < tracks[i_track]->i_extra_data )
2140                 {
2141                     i_size[i] += tracks[i_track]->p_extra_data[i_offset];
2142                     if( tracks[i_track]->p_extra_data[i_offset++] != 0xff ) break;
2143                 }
2144             }
2145
2146             i_size[0] = __MIN(i_size[0], tracks[i_track]->i_extra_data - i_offset);
2147             i_size[1] = __MIN(i_size[1], tracks[i_track]->i_extra_data -i_offset -i_size[0]);
2148             i_size[2] = tracks[i_track]->i_extra_data - i_offset - i_size[0] - i_size[1];
2149
2150             tracks[i_track]->fmt.i_extra = 3 * 2 + i_size[0] + i_size[1] + i_size[2];
2151             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2152             p_extra = (uint8_t *)tracks[i_track]->fmt.p_extra; i_extra = 0;
2153             for( i = 0; i < 3; i++ )
2154             {
2155                 *(p_extra++) = i_size[i] >> 8;
2156                 *(p_extra++) = i_size[i] & 0xFF;
2157                 memcpy( p_extra, tracks[i_track]->p_extra_data + i_offset + i_extra,
2158                         i_size[i] );
2159                 p_extra += i_size[i];
2160                 i_extra += i_size[i];
2161             }
2162         }
2163         else if( !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG2/", strlen( "A_AAC/MPEG2/" ) ) ||
2164                  !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG4/", strlen( "A_AAC/MPEG4/" ) ) )
2165         {
2166             int i_profile, i_srate;
2167             static unsigned int i_sample_rates[] =
2168             {
2169                     96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050,
2170                         16000, 12000, 11025, 8000,  7350,  0,     0,     0
2171             };
2172
2173             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
2174             /* create data for faad (MP4DecSpecificDescrTag)*/
2175
2176             if( !strcmp( &tracks[i_track]->psz_codec[12], "MAIN" ) )
2177             {
2178                 i_profile = 0;
2179             }
2180             else if( !strcmp( &tracks[i_track]->psz_codec[12], "LC" ) )
2181             {
2182                 i_profile = 1;
2183             }
2184             else if( !strcmp( &tracks[i_track]->psz_codec[12], "SSR" ) )
2185             {
2186                 i_profile = 2;
2187             }
2188             else
2189             {
2190                 i_profile = 3;
2191             }
2192
2193             for( i_srate = 0; i_srate < 13; i_srate++ )
2194             {
2195                 if( i_sample_rates[i_srate] == tracks[i_track]->fmt.audio.i_rate )
2196                 {
2197                     break;
2198                 }
2199             }
2200             msg_Dbg( &sys.demuxer, "profile=%d srate=%d", i_profile, i_srate );
2201
2202             tracks[i_track]->fmt.i_extra = 2;
2203             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2204             ((uint8_t*)tracks[i_track]->fmt.p_extra)[0] = ((i_profile + 1) << 3) | ((i_srate&0xe) >> 1);
2205             ((uint8_t*)tracks[i_track]->fmt.p_extra)[1] = ((i_srate & 0x1) << 7) | (tracks[i_track]->fmt.audio.i_channels << 3);
2206         }
2207         else if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) ||
2208                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/LIT" ) ||
2209                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/FLOAT/IEEE" ) )
2210         {
2211             if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) )
2212             {
2213                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
2214             }
2215             else
2216             {
2217                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
2218             }
2219             tracks[i_track]->fmt.audio.i_blockalign = ( tracks[i_track]->fmt.audio.i_bitspersample + 7 ) / 8 * tracks[i_track]->fmt.audio.i_channels;
2220         }
2221         else if( !strcmp( tracks[i_track]->psz_codec, "A_TTA1" ) )
2222         {
2223             /* FIXME: support this codec */
2224             msg_Err( &sys.demuxer, "TTA not supported yet[%d, n=%d]", i_track, tracks[i_track]->i_number );
2225             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2226         }
2227         else if( !strcmp( tracks[i_track]->psz_codec, "A_WAVPACK4" ) )
2228         {
2229             /* FIXME: support this codec */
2230             msg_Err( &sys.demuxer, "Wavpack not supported yet[%d, n=%d]", i_track, tracks[i_track]->i_number );
2231             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2232         }
2233         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/UTF8" ) )
2234         {
2235             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 'u', 'b', 't' );
2236             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2237         }
2238         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/SSA" ) ||
2239                  !strcmp( tracks[i_track]->psz_codec, "S_TEXT/ASS" ) ||
2240                  !strcmp( tracks[i_track]->psz_codec, "S_SSA" ) ||
2241                  !strcmp( tracks[i_track]->psz_codec, "S_ASS" ))
2242         {
2243             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 's', 'a', ' ' );
2244             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2245         }
2246         else if( !strcmp( tracks[i_track]->psz_codec, "S_VOBSUB" ) )
2247         {
2248             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's','p','u',' ' );
2249             if( tracks[i_track]->i_extra_data )
2250             {
2251                 char *p_start;
2252                 char *p_buf = (char *)malloc( tracks[i_track]->i_extra_data + 1);
2253                 memcpy( p_buf, tracks[i_track]->p_extra_data , tracks[i_track]->i_extra_data );
2254                 p_buf[tracks[i_track]->i_extra_data] = '\0';
2255
2256                 p_start = strstr( p_buf, "size:" );
2257                 if( sscanf( p_start, "size: %dx%d",
2258                         &tracks[i_track]->fmt.subs.spu.i_original_frame_width, &tracks[i_track]->fmt.subs.spu.i_original_frame_height ) == 2 )
2259                 {
2260                     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 );
2261                 }
2262                 else
2263                 {
2264                     msg_Warn( &sys.demuxer, "reading original frame size for vobsub failed" );
2265                 }
2266                 free( p_buf );
2267             }
2268         }
2269         else if( !strcmp( tracks[i_track]->psz_codec, "B_VOBBTN" ) )
2270         {
2271             tracks[i_track]->fmt.i_cat = NAV_ES;
2272             continue;
2273         }
2274         else
2275         {
2276             msg_Err( &sys.demuxer, "unknow codec id=`%s'", tracks[i_track]->psz_codec );
2277             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2278         }
2279         if( tracks[i_track]->b_default )
2280         {
2281             tracks[i_track]->fmt.i_priority = 1000;
2282         }
2283
2284         tracks[i_track]->p_es = es_out_Add( sys.demuxer.out, &tracks[i_track]->fmt );
2285
2286         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_start_time );
2287     }
2288
2289     sys.i_start_pts = i_start_time;
2290     // reset the stream reading to the first cluster of the segment used
2291     es.I_O().setFilePointer( i_start_pos );
2292
2293     delete ep;
2294     ep = new EbmlParser( &es, segment, &sys.demuxer );
2295
2296     return true;
2297 }
2298
2299 void demux_sys_t::StartUiThread()
2300 {
2301     if ( !b_ui_hooked )
2302     {
2303         msg_Dbg( &demuxer, "Starting the UI Hook" );
2304         b_ui_hooked = true;
2305         /* FIXME hack hack hack hack FIXME */
2306         /* Get p_input and create variable */
2307         p_input = (input_thread_t *) vlc_object_find( &demuxer, VLC_OBJECT_INPUT, FIND_PARENT );
2308         var_Create( p_input, "x-start", VLC_VAR_INTEGER );
2309         var_Create( p_input, "y-start", VLC_VAR_INTEGER );
2310         var_Create( p_input, "x-end", VLC_VAR_INTEGER );
2311         var_Create( p_input, "y-end", VLC_VAR_INTEGER );
2312         var_Create( p_input, "color", VLC_VAR_ADDRESS );
2313         var_Create( p_input, "menu-palette", VLC_VAR_ADDRESS );
2314         var_Create( p_input, "highlight", VLC_VAR_BOOL );
2315         var_Create( p_input, "highlight-mutex", VLC_VAR_MUTEX );
2316
2317         /* Now create our event thread catcher */
2318         p_ev = (event_thread_t *) vlc_object_create( &demuxer, sizeof( event_thread_t ) );
2319         p_ev->p_demux = &demuxer;
2320         p_ev->b_die = VLC_FALSE;
2321         vlc_mutex_init( p_ev, &p_ev->lock );
2322         vlc_thread_create( p_ev, "mkv event thread handler", EventThread,
2323                         VLC_THREAD_PRIORITY_LOW, VLC_FALSE );
2324     }
2325 }
2326
2327 void demux_sys_t::StopUiThread()
2328 {
2329     if ( b_ui_hooked )
2330     {
2331         p_ev->b_die = VLC_TRUE;
2332
2333         vlc_thread_join( p_ev );
2334         vlc_object_destroy( p_ev );
2335
2336         p_ev = NULL;
2337
2338         var_Destroy( p_input, "highlight-mutex" );
2339         var_Destroy( p_input, "highlight" );
2340         var_Destroy( p_input, "x-start" );
2341         var_Destroy( p_input, "x-end" );
2342         var_Destroy( p_input, "y-start" );
2343         var_Destroy( p_input, "y-end" );
2344         var_Destroy( p_input, "color" );
2345         var_Destroy( p_input, "menu-palette" );
2346
2347         vlc_object_release( p_input );
2348
2349         msg_Dbg( &demuxer, "Stopping the UI Hook" );
2350     }
2351     b_ui_hooked = false;
2352 }
2353
2354 int demux_sys_t::EventMouse( vlc_object_t *p_this, char const *psz_var,
2355                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
2356 {
2357     event_thread_t *p_ev = (event_thread_t *) p_data;
2358     vlc_mutex_lock( &p_ev->lock );
2359     if( psz_var[6] == 'c' )
2360         p_ev->b_clicked = VLC_TRUE;
2361     else if( psz_var[6] == 'm' )
2362         p_ev->b_moved = VLC_TRUE;
2363     vlc_mutex_unlock( &p_ev->lock );
2364
2365     return VLC_SUCCESS;
2366 }
2367
2368 int demux_sys_t::EventKey( vlc_object_t *p_this, char const *psz_var,
2369                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
2370 {
2371     event_thread_t *p_ev = (event_thread_t *) p_data;
2372     vlc_mutex_lock( &p_ev->lock );
2373     p_ev->b_key = VLC_TRUE;
2374     vlc_mutex_unlock( &p_ev->lock );
2375
2376     return VLC_SUCCESS;
2377 }
2378
2379 int demux_sys_t::EventThread( vlc_object_t *p_this )
2380 {
2381     event_thread_t *p_ev = (event_thread_t*)p_this;
2382     demux_sys_t    *p_sys = p_ev->p_demux->p_sys;
2383     vlc_object_t   *p_vout = NULL;
2384
2385     p_ev->b_moved   = VLC_FALSE;
2386     p_ev->b_clicked = VLC_FALSE;
2387     p_ev->b_key     = VLC_FALSE;
2388
2389     /* catch all key event */
2390     var_AddCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2391
2392     /* main loop */
2393     while( !p_ev->b_die )
2394     {
2395         if ( !p_sys->b_pci_packet_set )
2396         {
2397             /* Wait 100ms */
2398             msleep( 100000 );
2399             continue;
2400         }
2401
2402         vlc_bool_t b_activated = VLC_FALSE;
2403
2404         /* KEY part */
2405         if( p_ev->b_key )
2406         {
2407             vlc_value_t valk;
2408             struct vlc_t::hotkey *p_hotkeys = p_ev->p_vlc->p_hotkeys;
2409             int i, i_action = -1;
2410
2411             vlc_mutex_lock( &p_ev->lock );
2412
2413             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2414
2415             var_Get( p_ev->p_vlc, "key-pressed", &valk );
2416             for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
2417             {
2418                 if( p_hotkeys[i].i_key == valk.i_int )
2419                 {
2420                     i_action = p_hotkeys[i].i_action;
2421                 }
2422             }
2423
2424             uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2425
2426             switch( i_action )
2427             {
2428             case ACTIONID_NAV_LEFT:
2429                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2430                 {
2431                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2432                     if ( p_button_ptr->left > 0 && p_button_ptr->left <= pci->hli.hl_gi.btn_ns )
2433                     {
2434                         i_curr_button = p_button_ptr->left;
2435                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2436                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2437                         if ( button_ptr.auto_action_mode )
2438                         {
2439                             vlc_mutex_unlock( &p_ev->lock );
2440                             vlc_mutex_lock( &p_sys->lock_demuxer );
2441
2442                             // process the button action
2443                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2444
2445                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2446                             vlc_mutex_lock( &p_ev->lock );
2447                         }
2448                     }
2449                 }
2450                 break;
2451             case ACTIONID_NAV_RIGHT:
2452                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2453                 {
2454                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2455                     if ( p_button_ptr->right > 0 && p_button_ptr->right <= pci->hli.hl_gi.btn_ns )
2456                     {
2457                         i_curr_button = p_button_ptr->right;
2458                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2459                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2460                         if ( button_ptr.auto_action_mode )
2461                         {
2462                             vlc_mutex_unlock( &p_ev->lock );
2463                             vlc_mutex_lock( &p_sys->lock_demuxer );
2464
2465                             // process the button action
2466                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2467
2468                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2469                             vlc_mutex_lock( &p_ev->lock );
2470                         }
2471                     }
2472                 }
2473                 break;
2474             case ACTIONID_NAV_UP:
2475                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2476                 {
2477                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2478                     if ( p_button_ptr->up > 0 && p_button_ptr->up <= pci->hli.hl_gi.btn_ns )
2479                     {
2480                         i_curr_button = p_button_ptr->up;
2481                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2482                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2483                         if ( button_ptr.auto_action_mode )
2484                         {
2485                             vlc_mutex_unlock( &p_ev->lock );
2486                             vlc_mutex_lock( &p_sys->lock_demuxer );
2487
2488                             // process the button action
2489                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2490
2491                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2492                             vlc_mutex_lock( &p_ev->lock );
2493                         }
2494                     }
2495                 }
2496                 break;
2497             case ACTIONID_NAV_DOWN:
2498                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2499                 {
2500                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2501                     if ( p_button_ptr->down > 0 && p_button_ptr->down <= pci->hli.hl_gi.btn_ns )
2502                     {
2503                         i_curr_button = p_button_ptr->down;
2504                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2505                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2506                         if ( button_ptr.auto_action_mode )
2507                         {
2508                             vlc_mutex_unlock( &p_ev->lock );
2509                             vlc_mutex_lock( &p_sys->lock_demuxer );
2510
2511                             // process the button action
2512                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2513
2514                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2515                             vlc_mutex_lock( &p_ev->lock );
2516                         }
2517                     }
2518                 }
2519                 break;
2520             case ACTIONID_NAV_ACTIVATE:
2521                 b_activated = VLC_TRUE;
2522
2523                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2524                 {
2525                     btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2526
2527                     vlc_mutex_unlock( &p_ev->lock );
2528                     vlc_mutex_lock( &p_sys->lock_demuxer );
2529
2530                     // process the button action
2531                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2532
2533                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2534                     vlc_mutex_lock( &p_ev->lock );
2535                 }
2536                 break;
2537             default:
2538                 break;
2539             }
2540             p_ev->b_key = VLC_FALSE;
2541             vlc_mutex_unlock( &p_ev->lock );
2542         }
2543
2544         /* MOUSE part */
2545         if( p_vout && ( p_ev->b_moved || p_ev->b_clicked ) )
2546         {
2547             vlc_value_t valx, valy;
2548
2549             vlc_mutex_lock( &p_ev->lock );
2550             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2551             var_Get( p_vout, "mouse-x", &valx );
2552             var_Get( p_vout, "mouse-y", &valy );
2553
2554             if( p_ev->b_clicked )
2555             {
2556                 int32_t button;
2557                 int32_t best,dist,d;
2558                 int32_t mx,my,dx,dy;
2559
2560                 b_activated = VLC_TRUE;
2561                 // get current button
2562                 best = 0;
2563                 dist = 0x08000000; /* >> than  (720*720)+(567*567); */
2564                 for(button = 1; button <= pci->hli.hl_gi.btn_ns; button++)
2565                 {
2566                     btni_t *button_ptr = &(pci->hli.btnit[button-1]);
2567
2568                     if((valx.i_int >= button_ptr->x_start) && (valx.i_int <= button_ptr->x_end) &&
2569                        (valy.i_int >= button_ptr->y_start) && (valy.i_int <= button_ptr->y_end))
2570                     {
2571                         mx = (button_ptr->x_start + button_ptr->x_end)/2;
2572                         my = (button_ptr->y_start + button_ptr->y_end)/2;
2573                         dx = mx - valx.i_int;
2574                         dy = my - valy.i_int;
2575                         d = (dx*dx) + (dy*dy);
2576                         /* If the mouse is within the button and the mouse is closer
2577                         * to the center of this button then it is the best choice. */
2578                         if(d < dist) {
2579                             dist = d;
2580                             best = button;
2581                         }
2582                     }
2583                 }
2584
2585                 if ( best != 0)
2586                 {
2587                     btni_t button_ptr = pci->hli.btnit[best-1];
2588                     uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2589
2590                     msg_Dbg( &p_sys->demuxer, "Clicked button %d", best );
2591                     vlc_mutex_unlock( &p_ev->lock );
2592                     vlc_mutex_lock( &p_sys->lock_demuxer );
2593
2594                     // process the button action
2595                     p_sys->dvd_interpretor.SetSPRM( 0x88, best );
2596                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2597
2598                     msg_Dbg( &p_sys->demuxer, "Processed button %d", best );
2599
2600                     // select new button
2601                     if ( best != i_curr_button )
2602                     {
2603                         vlc_value_t val;
2604
2605                         if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
2606                         {
2607                             vlc_mutex_t *p_mutex = (vlc_mutex_t *) val.p_address;
2608                             uint32_t i_palette;
2609
2610                             if(button_ptr.btn_coln != 0) {
2611                                 i_palette = pci->hli.btn_colit.btn_coli[button_ptr.btn_coln-1][1];
2612                             } else {
2613                                 i_palette = 0;
2614                             }
2615
2616                             for( int i = 0; i < 4; i++ )
2617                             {
2618                                 uint32_t i_yuv = 0xFF;//p_sys->clut[(hl.palette>>(16+i*4))&0x0f];
2619                                 uint8_t i_alpha = (i_palette>>(i*4))&0x0f;
2620                                 i_alpha = i_alpha == 0xf ? 0xff : i_alpha << 4;
2621
2622                                 p_sys->palette[i][0] = (i_yuv >> 16) & 0xff;
2623                                 p_sys->palette[i][1] = (i_yuv >> 0) & 0xff;
2624                                 p_sys->palette[i][2] = (i_yuv >> 8) & 0xff;
2625                                 p_sys->palette[i][3] = i_alpha;
2626                             }
2627
2628                             vlc_mutex_lock( p_mutex );
2629                             val.i_int = button_ptr.x_start; var_Set( p_sys->p_input, "x-start", val );
2630                             val.i_int = button_ptr.x_end;   var_Set( p_sys->p_input, "x-end",   val );
2631                             val.i_int = button_ptr.y_start; var_Set( p_sys->p_input, "y-start", val );
2632                             val.i_int = button_ptr.y_end;   var_Set( p_sys->p_input, "y-end",   val );
2633
2634                             val.p_address = (void *)p_sys->palette;
2635                             var_Set( p_sys->p_input, "menu-palette", val );
2636
2637                             val.b_bool = VLC_TRUE; var_Set( p_sys->p_input, "highlight", val );
2638                             vlc_mutex_unlock( p_mutex );
2639                         }
2640                     }
2641                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2642                     vlc_mutex_lock( &p_ev->lock );
2643                 }
2644             }
2645             else if( p_ev->b_moved )
2646             {
2647 //                dvdnav_mouse_select( NULL, pci, valx.i_int, valy.i_int );
2648             }
2649
2650             p_ev->b_moved = VLC_FALSE;
2651             p_ev->b_clicked = VLC_FALSE;
2652             vlc_mutex_unlock( &p_ev->lock );
2653         }
2654
2655         /* VOUT part */
2656         if( p_vout && p_vout->b_die )
2657         {
2658             var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2659             var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2660             vlc_object_release( p_vout );
2661             p_vout = NULL;
2662         }
2663
2664         else if( p_vout == NULL )
2665         {
2666             p_vout = (vlc_object_t*) vlc_object_find( p_sys->p_input, VLC_OBJECT_VOUT,
2667                                       FIND_CHILD );
2668             if( p_vout)
2669             {
2670                 var_AddCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2671                 var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2672             }
2673         }
2674
2675         /* Wait a bit, 10ms */
2676         msleep( 10000 );
2677     }
2678
2679     /* Release callback */
2680     if( p_vout )
2681     {
2682         var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2683         var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2684         vlc_object_release( p_vout );
2685     }
2686     var_DelCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2687
2688     vlc_mutex_destroy( &p_ev->lock );
2689
2690     return VLC_SUCCESS;
2691 }
2692
2693 void matroska_segment_c::UnSelect( )
2694 {
2695     size_t i_track;
2696
2697     for( i_track = 0; i_track < tracks.size(); i_track++ )
2698     {
2699         if ( tracks[i_track]->p_es != NULL )
2700         {
2701 //            es_format_Clean( &tracks[i_track]->fmt );
2702             es_out_Del( sys.demuxer.out, tracks[i_track]->p_es );
2703             tracks[i_track]->p_es = NULL;
2704         }
2705     }
2706     delete ep;
2707     ep = NULL;
2708 }
2709
2710 void virtual_segment_c::PrepareChapters( )
2711 {
2712     if ( linked_segments.size() == 0 )
2713         return;
2714
2715     // !!! should be called only once !!!
2716     matroska_segment_c *p_segment;
2717     size_t i, j;
2718
2719     // copy editions from the first segment
2720     p_segment = linked_segments[0];
2721     p_editions = &p_segment->stored_editions;
2722
2723     for ( i=1 ; i<linked_segments.size(); i++ )
2724     {
2725         p_segment = linked_segments[i];
2726         // FIXME assume we have the same editions in all segments
2727         for (j=0; j<p_segment->stored_editions.size(); j++)
2728             (*p_editions)[j]->Append( *p_segment->stored_editions[j] );
2729     }
2730 }
2731
2732 std::string chapter_edition_c::GetMainName() const
2733 {
2734     if ( sub_chapters.size() )
2735     {
2736         return sub_chapters[0]->GetCodecName( true );
2737     }
2738     return "";
2739 }
2740
2741 int chapter_item_c::PublishChapters( input_title_t & title, int & i_user_chapters, int i_level )
2742 {
2743     // add support for meta-elements from codec like DVD Titles
2744     if ( !b_display_seekpoint || psz_name == "" )
2745     {
2746         psz_name = GetCodecName();
2747         if ( psz_name != "" )
2748             b_display_seekpoint = true;
2749     }
2750
2751     if (b_display_seekpoint)
2752     {
2753         seekpoint_t *sk = vlc_seekpoint_New();
2754
2755         sk->i_level = i_level;
2756         sk->i_time_offset = i_start_time;
2757         sk->psz_name = strdup( psz_name.c_str() );
2758
2759         // A start time of '0' is ok. A missing ChapterTime element is ok, too, because '0' is its default value.
2760         title.i_seekpoint++;
2761         title.seekpoint = (seekpoint_t**)realloc( title.seekpoint, title.i_seekpoint * sizeof( seekpoint_t* ) );
2762         title.seekpoint[title.i_seekpoint-1] = sk;
2763
2764         if ( b_user_display )
2765             i_user_chapters++;
2766     }
2767
2768     for ( size_t i=0; i<sub_chapters.size() ; i++)
2769     {
2770         sub_chapters[i]->PublishChapters( title, i_user_chapters, i_level+1 );
2771     }
2772
2773     i_seekpoint_num = i_user_chapters;
2774
2775     return i_user_chapters;
2776 }
2777
2778 bool virtual_segment_c::UpdateCurrentToChapter( demux_t & demux )
2779 {
2780     demux_sys_t & sys = *demux.p_sys;
2781     chapter_item_c *psz_curr_chapter;
2782     bool b_has_seeked = false;
2783
2784     /* update current chapter/seekpoint */
2785     if ( p_editions->size() )
2786     {
2787         /* 1st, we need to know in which chapter we are */
2788         psz_curr_chapter = (*p_editions)[i_current_edition]->FindTimecode( sys.i_pts, psz_current_chapter );
2789
2790         /* we have moved to a new chapter */
2791         if (psz_curr_chapter != NULL && psz_current_chapter != psz_curr_chapter)
2792         {
2793             if ( (*p_editions)[i_current_edition]->b_ordered )
2794             {
2795                 // Leave/Enter up to the link point
2796                 b_has_seeked = psz_curr_chapter->EnterAndLeave( psz_current_chapter );
2797                 if ( !b_has_seeked )
2798                 {
2799                     // only physically seek if necessary
2800                     if ( psz_current_chapter == NULL || (psz_current_chapter->i_end_time != psz_curr_chapter->i_start_time) )
2801                         Seek( demux, sys.i_pts, 0, psz_curr_chapter );
2802                 }
2803             }
2804
2805             if ( !b_has_seeked )
2806             {
2807                 psz_current_chapter = psz_curr_chapter;
2808                 if ( psz_curr_chapter->i_seekpoint_num > 0 )
2809                 {
2810                     demux.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
2811                     demux.info.i_title = sys.i_current_title = i_sys_title;
2812                     demux.info.i_seekpoint = psz_curr_chapter->i_seekpoint_num - 1;
2813                 }
2814             }
2815
2816             return true;
2817         }
2818         else if (psz_curr_chapter == NULL)
2819         {
2820             // out of the scope of the data described by chapters, leave the edition
2821             if ( (*p_editions)[i_current_edition]->b_ordered && psz_current_chapter != NULL )
2822             {
2823                 if ( !(*p_editions)[i_current_edition]->EnterAndLeave( psz_current_chapter, false ) )
2824                     psz_current_chapter = NULL;
2825                 else
2826                     return true;
2827             }
2828         }
2829     }
2830     return false;
2831 }
2832
2833 chapter_item_c *virtual_segment_c::BrowseCodecPrivate( unsigned int codec_id,
2834                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
2835                                     const void *p_cookie,
2836                                     size_t i_cookie_size )
2837 {
2838     // FIXME don't assume it is the first edition
2839     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
2840     if ( index != p_editions->end() )
2841     {
2842         chapter_item_c *p_result = (*index)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
2843         if ( p_result != NULL )
2844             return p_result;
2845     }
2846     return NULL;
2847 }
2848
2849 chapter_item_c *virtual_segment_c::FindChapter( int64_t i_find_uid )
2850 {
2851     // FIXME don't assume it is the first edition
2852     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
2853     if ( index != p_editions->end() )
2854     {
2855         chapter_item_c *p_result = (*index)->FindChapter( i_find_uid );
2856         if ( p_result != NULL )
2857             return p_result;
2858     }
2859     return NULL;
2860 }
2861
2862 chapter_item_c *chapter_item_c::BrowseCodecPrivate( unsigned int codec_id,
2863                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
2864                                     const void *p_cookie,
2865                                     size_t i_cookie_size )
2866 {
2867     // this chapter
2868     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2869     while ( index != codecs.end() )
2870     {
2871         if ( match( **index ,p_cookie, i_cookie_size ) )
2872             return this;
2873         index++;
2874     }
2875
2876     // sub-chapters
2877     chapter_item_c *p_result = NULL;
2878     std::vector<chapter_item_c*>::const_iterator index2 = sub_chapters.begin();
2879     while ( index2 != sub_chapters.end() )
2880     {
2881         p_result = (*index2)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
2882         if ( p_result != NULL )
2883             return p_result;
2884         index2++;
2885     }
2886
2887     return p_result;
2888 }
2889
2890 void chapter_item_c::Append( const chapter_item_c & chapter )
2891 {
2892     // we are appending content for the same chapter UID
2893     size_t i;
2894     chapter_item_c *p_chapter;
2895
2896     for ( i=0; i<chapter.sub_chapters.size(); i++ )
2897     {
2898         p_chapter = FindChapter( chapter.sub_chapters[i]->i_uid );
2899         if ( p_chapter != NULL )
2900         {
2901             p_chapter->Append( *chapter.sub_chapters[i] );
2902         }
2903         else
2904         {
2905             sub_chapters.push_back( chapter.sub_chapters[i] );
2906         }
2907     }
2908
2909     i_user_start_time = min( i_user_start_time, chapter.i_user_start_time );
2910     i_user_end_time = max( i_user_end_time, chapter.i_user_end_time );
2911 }
2912
2913 chapter_item_c * chapter_item_c::FindChapter( int64_t i_find_uid )
2914 {
2915     size_t i;
2916     chapter_item_c *p_result = NULL;
2917
2918     if ( i_uid == i_find_uid )
2919         return this;
2920
2921     for ( i=0; i<sub_chapters.size(); i++)
2922     {
2923         p_result = sub_chapters[i]->FindChapter( i_find_uid );
2924         if ( p_result != NULL )
2925             break;
2926     }
2927     return p_result;
2928 }
2929
2930 std::string chapter_item_c::GetCodecName( bool f_for_title ) const
2931 {
2932     std::string result;
2933
2934     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2935     while ( index != codecs.end() )
2936     {
2937         result = (*index)->GetCodecName( f_for_title );
2938         if ( result != "" )
2939             break;
2940         index++;
2941     }
2942
2943     return result;
2944 }
2945
2946 std::string dvd_chapter_codec_c::GetCodecName( bool f_for_title ) const
2947 {
2948     std::string result;
2949     if ( p_private_data->GetSize() >= 3)
2950     {
2951         const binary* p_data = p_private_data->GetBuffer();
2952 /*        if ( p_data[0] == MATROSKA_DVD_LEVEL_TT )
2953         {
2954             uint16_t i_title = (p_data[1] << 8) + p_data[2];
2955             char psz_str[11];
2956             sprintf( psz_str, " %d  ---", i_title );
2957             result = N_("---  DVD Title");
2958             result += psz_str;
2959         }
2960         else */ if ( p_data[0] == MATROSKA_DVD_LEVEL_LU )
2961         {
2962             char psz_str[11];
2963             sprintf( psz_str, " (%c%c)  ---", p_data[1], p_data[2] );
2964             result = N_("---  DVD Menu");
2965             result += psz_str;
2966         }
2967         else if ( p_data[0] == MATROSKA_DVD_LEVEL_SS && f_for_title )
2968         {
2969             if ( p_data[1] == 0x00 )
2970                 result = N_("First Played");
2971             else if ( p_data[1] == 0xC0 )
2972                 result = N_("Video Manager");
2973             else if ( p_data[1] == 0x80 )
2974             {
2975                 uint16_t i_title = (p_data[2] << 8) + p_data[3];
2976                 char psz_str[20];
2977                 sprintf( psz_str, " %d -----", i_title );
2978                 result = N_("----- Title");
2979                 result += psz_str;
2980             }
2981         }
2982     }
2983
2984     return result;
2985 }
2986
2987 int16 chapter_item_c::GetTitleNumber( ) const
2988 {
2989     int result = -1;
2990
2991     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2992     while ( index != codecs.end() )
2993     {
2994         result = (*index)->GetTitleNumber( );
2995         if ( result >= 0 )
2996             break;
2997         index++;
2998     }
2999
3000     return result;
3001 }
3002
3003 int16 dvd_chapter_codec_c::GetTitleNumber()
3004 {
3005     if ( p_private_data->GetSize() >= 3)
3006     {
3007         const binary* p_data = p_private_data->GetBuffer();
3008         if ( p_data[0] == MATROSKA_DVD_LEVEL_SS )
3009         {
3010             return int16( (p_data[2] << 8) + p_data[3] );
3011         }
3012     }
3013     return -1;
3014 }
3015
3016 static void Seek( demux_t *p_demux, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter )
3017 {
3018     demux_sys_t        *p_sys = p_demux->p_sys;
3019     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3020     matroska_segment_c *p_segment = p_vsegment->Segment();
3021     mtime_t            i_time_offset = 0;
3022
3023     int         i_index;
3024
3025     msg_Dbg( p_demux, "seek request to "I64Fd" (%f%%)", i_date, f_percent );
3026     if( i_date < 0 && f_percent < 0 )
3027     {
3028         msg_Warn( p_demux, "cannot seek nowhere !" );
3029         return;
3030     }
3031     if( f_percent > 1.0 )
3032     {
3033         msg_Warn( p_demux, "cannot seek so far !" );
3034         return;
3035     }
3036
3037     /* seek without index or without date */
3038     if( f_percent >= 0 && (config_GetInt( p_demux, "mkv-seek-percent" ) || !p_segment->b_cues || i_date < 0 ))
3039     {
3040         if (p_sys->f_duration >= 0)
3041         {
3042             i_date = int64_t( f_percent * p_sys->f_duration * 1000.0 );
3043         }
3044         else
3045         {
3046             int64_t i_pos = int64_t( f_percent * stream_Size( p_demux->s ) );
3047
3048             msg_Dbg( p_demux, "inacurate way of seeking" );
3049             for( i_index = 0; i_index < p_segment->i_index; i_index++ )
3050             {
3051                 if( p_segment->p_indexes[i_index].i_position >= i_pos)
3052                 {
3053                     break;
3054                 }
3055             }
3056             if( i_index == p_segment->i_index )
3057             {
3058                 i_index--;
3059             }
3060
3061             i_date = p_segment->p_indexes[i_index].i_time;
3062
3063 #if 0
3064             if( p_segment->p_indexes[i_index].i_position < i_pos )
3065             {
3066                 EbmlElement *el;
3067
3068                 msg_Warn( p_demux, "searching for cluster, could take some time" );
3069
3070                 /* search a cluster */
3071                 while( ( el = p_sys->ep->Get() ) != NULL )
3072                 {
3073                     if( MKV_IS_ID( el, KaxCluster ) )
3074                     {
3075                         KaxCluster *cluster = (KaxCluster*)el;
3076
3077                         /* add it to the index */
3078                         p_segment->IndexAppendCluster( cluster );
3079
3080                         if( (int64_t)cluster->GetElementPosition() >= i_pos )
3081                         {
3082                             p_sys->cluster = cluster;
3083                             p_sys->ep->Down();
3084                             break;
3085                         }
3086                     }
3087                 }
3088             }
3089 #endif
3090         }
3091     }
3092
3093     p_vsegment->Seek( *p_demux, i_date, i_time_offset, psz_chapter );
3094 }
3095
3096 /*****************************************************************************
3097  * Demux: reads and demuxes data packets
3098  *****************************************************************************
3099  * Returns -1 in case of error, 0 in case of EOF, 1 otherwise
3100  *****************************************************************************/
3101 static int Demux( demux_t *p_demux)
3102 {
3103     demux_sys_t        *p_sys = p_demux->p_sys;
3104
3105     vlc_mutex_lock( &p_sys->lock_demuxer );
3106
3107     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3108     matroska_segment_c *p_segment = p_vsegment->Segment();
3109     if ( p_segment == NULL ) return 0;
3110     int                i_block_count = 0;
3111     int                i_return = 0;
3112
3113     for( ;; )
3114     {
3115         if ( p_sys->demuxer.b_die )
3116             break;
3117
3118         if( p_sys->i_pts >= p_sys->i_start_pts  )
3119             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3120             {
3121                 i_return = 1;
3122                 break;
3123             }
3124
3125         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3126         {
3127             /* nothing left to read in this ordered edition */
3128             if ( !p_vsegment->SelectNext() )
3129                 break;
3130             p_segment->UnSelect( );
3131
3132             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3133
3134             /* switch to the next segment */
3135             p_segment = p_vsegment->Segment();
3136             if ( !p_segment->Select( 0 ) )
3137             {
3138                 msg_Err( p_demux, "Failed to select new segment" );
3139                 break;
3140             }
3141             continue;
3142         }
3143
3144         KaxBlock *block;
3145         int64_t i_block_duration = 0;
3146         int64_t i_block_ref1;
3147         int64_t i_block_ref2;
3148
3149         if( p_segment->BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
3150         {
3151             if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered )
3152             {
3153                 const chapter_item_c *p_chap = p_vsegment->CurrentChapter();
3154                 // check if there are more chapters to read
3155                 if ( p_chap != NULL )
3156                 {
3157                     /* TODO handle successive chapters with the same user_start_time/user_end_time
3158                     if ( p_chap->i_user_start_time == p_chap->i_user_start_time )
3159                         p_vsegment->SelectNext();
3160                     */
3161                     p_sys->i_last_dts = p_sys->i_pts = p_chap->i_user_end_time;
3162                     p_sys->i_pts++; // trick to avoid staying on segments with no duration and no content
3163
3164                     i_return = 1;
3165                 }
3166
3167                 break;
3168             }
3169             else
3170             {
3171                 msg_Warn( p_demux, "cannot get block EOF?" );
3172                 p_segment->UnSelect( );
3173
3174                 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3175
3176                 /* switch to the next segment */
3177                 if ( !p_vsegment->SelectNext() )
3178                     // no more segments in this stream
3179                     break;
3180                 p_segment = p_vsegment->Segment();
3181                 if ( !p_segment->Select( 0 ) )
3182                 {
3183                     msg_Err( p_demux, "Failed to select new segment" );
3184                     break;
3185                 }
3186
3187                 continue;
3188             }
3189         }
3190
3191         mtime_t i_pts, i_dts;
3192
3193         mtime_t i_time = block->GlobalTimecode();
3194         if ( i_block_ref1 != 0 )
3195             i_time += min( 0, i_block_ref1 );
3196         if ( i_block_ref2 != 0 )
3197             i_time += min( 0, i_block_ref2 );
3198
3199         i_pts = (p_sys->i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
3200         i_dts = (p_sys->i_chapter_time + i_time) / (mtime_t) 1000;
3201
3202         if ( i_dts != i_pts && p_sys->i_last_dts >= i_dts )
3203             p_sys->i_last_dts += 200;
3204         else
3205             p_sys->i_last_dts = i_dts;
3206
3207         p_sys->i_pts = i_pts;
3208
3209         if( p_sys->i_pts >= p_sys->i_start_pts  )
3210         {
3211             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pts );
3212         }
3213
3214         if( i_pts >= p_sys->i_start_pts  )
3215             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3216             {
3217                 i_return = 1;
3218                 break;
3219             }
3220
3221         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3222         {
3223             /* nothing left to read in this ordered edition */
3224             if ( !p_vsegment->SelectNext() )
3225                 break;
3226             p_segment->UnSelect( );
3227
3228             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3229
3230             /* switch to the next segment */
3231             p_segment = p_vsegment->Segment();
3232             if ( !p_segment->Select( 0 ) )
3233             {
3234                 msg_Err( p_demux, "Failed to select new segment" );
3235                 break;
3236             }
3237             continue;
3238         }
3239
3240         BlockDecode( p_demux, block, i_pts, i_block_duration );
3241
3242         delete block;
3243         i_block_count++;
3244
3245         // TODO optimize when there is need to leave or when seeking has been called
3246         if( i_block_count > 5 )
3247         {
3248             i_return = 1;
3249             break;
3250         }
3251     }
3252
3253     vlc_mutex_unlock( &p_sys->lock_demuxer );
3254
3255     return i_return;
3256 }
3257
3258
3259
3260 /*****************************************************************************
3261  * Stream managment
3262  *****************************************************************************/
3263 vlc_stream_io_callback::vlc_stream_io_callback( stream_t *s_ )
3264 {
3265     s = s_;
3266     mb_eof = VLC_FALSE;
3267 }
3268
3269 uint32 vlc_stream_io_callback::read( void *p_buffer, size_t i_size )
3270 {
3271     if( i_size <= 0 || mb_eof )
3272     {
3273         return 0;
3274     }
3275
3276     return stream_Read( s, p_buffer, i_size );
3277 }
3278 void vlc_stream_io_callback::setFilePointer(int64_t i_offset, seek_mode mode )
3279 {
3280     int64_t i_pos;
3281
3282     switch( mode )
3283     {
3284         case seek_beginning:
3285             i_pos = i_offset;
3286             break;
3287         case seek_end:
3288             i_pos = stream_Size( s ) - i_offset;
3289             break;
3290         default:
3291             i_pos= stream_Tell( s ) + i_offset;
3292             break;
3293     }
3294
3295     if( i_pos < 0 || i_pos >= stream_Size( s ) )
3296     {
3297         mb_eof = VLC_TRUE;
3298         return;
3299     }
3300
3301     mb_eof = VLC_FALSE;
3302     if( stream_Seek( s, i_pos ) )
3303     {
3304         mb_eof = VLC_TRUE;
3305     }
3306     return;
3307 }
3308 size_t vlc_stream_io_callback::write( const void *p_buffer, size_t i_size )
3309 {
3310     return 0;
3311 }
3312 uint64 vlc_stream_io_callback::getFilePointer( void )
3313 {
3314     return stream_Tell( s );
3315 }
3316 void vlc_stream_io_callback::close( void )
3317 {
3318     return;
3319 }
3320
3321
3322 /*****************************************************************************
3323  * Ebml Stream parser
3324  *****************************************************************************/
3325 EbmlParser::EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux )
3326 {
3327     int i;
3328
3329     m_es = es;
3330     m_got = NULL;
3331     m_el[0] = el_start;
3332     mi_remain_size[0] = el_start->GetSize();
3333
3334     for( i = 1; i < 6; i++ )
3335     {
3336         m_el[i] = NULL;
3337     }
3338     mi_level = 1;
3339     mi_user_level = 1;
3340     mb_keep = VLC_FALSE;
3341     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3342 }
3343
3344 EbmlParser::~EbmlParser( void )
3345 {
3346     int i;
3347
3348     for( i = 1; i < mi_level; i++ )
3349     {
3350         if( !mb_keep )
3351         {
3352             delete m_el[i];
3353         }
3354         mb_keep = VLC_FALSE;
3355     }
3356 }
3357
3358 EbmlElement* EbmlParser::UnGet( uint64 i_block_pos, uint64 i_cluster_pos )
3359 {
3360     if ( mi_user_level > mi_level )
3361     {
3362         while ( mi_user_level != mi_level )
3363         {
3364             delete m_el[mi_user_level];
3365             m_el[mi_user_level] = NULL;
3366             mi_user_level--;
3367         }
3368     }
3369     m_got = NULL;
3370     mb_keep = VLC_FALSE;
3371     if ( m_el[1]->GetElementPosition() == i_cluster_pos )
3372     {
3373         m_es->I_O().setFilePointer( i_block_pos, seek_beginning );
3374         return (EbmlMaster*) m_el[1];
3375     }
3376     else
3377     {
3378         // seek to the previous Cluster
3379         m_es->I_O().setFilePointer( i_cluster_pos, seek_beginning );
3380         mi_level--;
3381         mi_user_level--;
3382         delete m_el[mi_level];
3383         m_el[mi_level] = NULL;
3384         return NULL;
3385     }
3386 }
3387
3388 void EbmlParser::Up( void )
3389 {
3390     if( mi_user_level == mi_level )
3391     {
3392         fprintf( stderr," arrrrrrrrrrrrrg Up cannot escape itself\n" );
3393     }
3394
3395     mi_user_level--;
3396 }
3397
3398 void EbmlParser::Down( void )
3399 {
3400     mi_user_level++;
3401     mi_level++;
3402 }
3403
3404 void EbmlParser::Keep( void )
3405 {
3406     mb_keep = VLC_TRUE;
3407 }
3408
3409 int EbmlParser::GetLevel( void )
3410 {
3411     return mi_user_level;
3412 }
3413
3414 void EbmlParser::Reset( demux_t *p_demux )
3415 {
3416     while ( mi_level > 0)
3417     {
3418         delete m_el[mi_level];
3419         m_el[mi_level] = NULL;
3420         mi_level--;
3421     }
3422     mi_user_level = mi_level = 1;
3423 #if LIBEBML_VERSION >= 0x000704
3424     // a little faster and cleaner
3425     m_es->I_O().setFilePointer( static_cast<KaxSegment*>(m_el[0])->GetGlobalPosition(0) );
3426 #else
3427     m_es->I_O().setFilePointer( m_el[0]->GetElementPosition() + m_el[0]->ElementSize(true) - m_el[0]->GetSize() );
3428 #endif
3429     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3430 }
3431
3432 EbmlElement *EbmlParser::Get( void )
3433 {
3434     int i_ulev = 0;
3435
3436     if( mi_user_level != mi_level )
3437     {
3438         return NULL;
3439     }
3440     if( m_got )
3441     {
3442         EbmlElement *ret = m_got;
3443         m_got = NULL;
3444
3445         return ret;
3446     }
3447
3448     if( m_el[mi_level] )
3449     {
3450         m_el[mi_level]->SkipData( *m_es, m_el[mi_level]->Generic().Context );
3451         if( !mb_keep )
3452         {
3453             delete m_el[mi_level];
3454         }
3455         mb_keep = VLC_FALSE;
3456     }
3457
3458     m_el[mi_level] = m_es->FindNextElement( m_el[mi_level - 1]->Generic().Context, i_ulev, 0xFFFFFFFFL, mb_dummy != 0, 1 );
3459 //    mi_remain_size[mi_level] = m_el[mi_level]->GetSize();
3460     if( i_ulev > 0 )
3461     {
3462         while( i_ulev > 0 )
3463         {
3464             if( mi_level == 1 )
3465             {
3466                 mi_level = 0;
3467                 return NULL;
3468             }
3469
3470             delete m_el[mi_level - 1];
3471             m_got = m_el[mi_level -1] = m_el[mi_level];
3472             m_el[mi_level] = NULL;
3473
3474             mi_level--;
3475             i_ulev--;
3476         }
3477         return NULL;
3478     }
3479     else if( m_el[mi_level] == NULL )
3480     {
3481         fprintf( stderr," m_el[mi_level] == NULL\n" );
3482     }
3483
3484     return m_el[mi_level];
3485 }
3486
3487
3488 /*****************************************************************************
3489  * Tools
3490  *  * LoadCues : load the cues element and update index
3491  *
3492  *  * LoadTags : load ... the tags element
3493  *
3494  *  * InformationCreate : create all information, load tags if present
3495  *
3496  *****************************************************************************/
3497 void matroska_segment_c::LoadCues( )
3498 {
3499     int64_t     i_sav_position = es.I_O().getFilePointer();
3500     EbmlParser  *ep;
3501     EbmlElement *el, *cues;
3502
3503     /* *** Load the cue if found *** */
3504     if( i_cues_position < 0 )
3505     {
3506         msg_Warn( &sys.demuxer, "no cues/empty cues found->seek won't be precise" );
3507
3508 //        IndexAppendCluster( cluster );
3509     }
3510
3511     vlc_bool_t b_seekable;
3512
3513     stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
3514     if( !b_seekable )
3515         return;
3516
3517     msg_Dbg( &sys.demuxer, "loading cues" );
3518     es.I_O().setFilePointer( i_cues_position, seek_beginning );
3519     cues = es.FindNextID( KaxCues::ClassInfos, 0xFFFFFFFFL);
3520
3521     if( cues == NULL )
3522     {
3523         msg_Err( &sys.demuxer, "cannot load cues (broken seekhead or file)" );
3524         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3525         return;
3526     }
3527
3528     ep = new EbmlParser( &es, cues, &sys.demuxer );
3529     while( ( el = ep->Get() ) != NULL )
3530     {
3531         if( MKV_IS_ID( el, KaxCuePoint ) )
3532         {
3533 #define idx p_indexes[i_index]
3534
3535             idx.i_track       = -1;
3536             idx.i_block_number= -1;
3537             idx.i_position    = -1;
3538             idx.i_time        = 0;
3539             idx.b_key         = VLC_TRUE;
3540
3541             ep->Down();
3542             while( ( el = ep->Get() ) != NULL )
3543             {
3544                 if( MKV_IS_ID( el, KaxCueTime ) )
3545                 {
3546                     KaxCueTime &ctime = *(KaxCueTime*)el;
3547
3548                     ctime.ReadData( es.I_O() );
3549
3550                     idx.i_time = uint64( ctime ) * i_timescale / (mtime_t)1000;
3551                 }
3552                 else if( MKV_IS_ID( el, KaxCueTrackPositions ) )
3553                 {
3554                     ep->Down();
3555                     while( ( el = ep->Get() ) != NULL )
3556                     {
3557                         if( MKV_IS_ID( el, KaxCueTrack ) )
3558                         {
3559                             KaxCueTrack &ctrack = *(KaxCueTrack*)el;
3560
3561                             ctrack.ReadData( es.I_O() );
3562                             idx.i_track = uint16( ctrack );
3563                         }
3564                         else if( MKV_IS_ID( el, KaxCueClusterPosition ) )
3565                         {
3566                             KaxCueClusterPosition &ccpos = *(KaxCueClusterPosition*)el;
3567
3568                             ccpos.ReadData( es.I_O() );
3569                             idx.i_position = segment->GetGlobalPosition( uint64( ccpos ) );
3570                         }
3571                         else if( MKV_IS_ID( el, KaxCueBlockNumber ) )
3572                         {
3573                             KaxCueBlockNumber &cbnum = *(KaxCueBlockNumber*)el;
3574
3575                             cbnum.ReadData( es.I_O() );
3576                             idx.i_block_number = uint32( cbnum );
3577                         }
3578                         else
3579                         {
3580                             msg_Dbg( &sys.demuxer, "         * Unknown (%s)", typeid(*el).name() );
3581                         }
3582                     }
3583                     ep->Up();
3584                 }
3585                 else
3586                 {
3587                     msg_Dbg( &sys.demuxer, "     * Unknown (%s)", typeid(*el).name() );
3588                 }
3589             }
3590             ep->Up();
3591
3592 #if 0
3593             msg_Dbg( &sys.demuxer, " * added time="I64Fd" pos="I64Fd
3594                      " track=%d bnum=%d", idx.i_time, idx.i_position,
3595                      idx.i_track, idx.i_block_number );
3596 #endif
3597
3598             i_index++;
3599             if( i_index >= i_index_max )
3600             {
3601                 i_index_max += 1024;
3602                 p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
3603             }
3604 #undef idx
3605         }
3606         else
3607         {
3608             msg_Dbg( &sys.demuxer, " * Unknown (%s)", typeid(*el).name() );
3609         }
3610     }
3611     delete ep;
3612     delete cues;
3613
3614     b_cues = VLC_TRUE;
3615
3616     msg_Dbg( &sys.demuxer, "loading cues done." );
3617     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3618 }
3619
3620 void matroska_segment_c::LoadTags( )
3621 {
3622     int64_t     i_sav_position = es.I_O().getFilePointer();
3623     EbmlParser  *ep;
3624     EbmlElement *el, *tags;
3625
3626     msg_Dbg( &sys.demuxer, "loading tags" );
3627     es.I_O().setFilePointer( i_tags_position, seek_beginning );
3628     tags = es.FindNextID( KaxTags::ClassInfos, 0xFFFFFFFFL);
3629
3630     if( tags == NULL )
3631     {
3632         msg_Err( &sys.demuxer, "cannot load tags (broken seekhead or file)" );
3633         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3634         return;
3635     }
3636
3637     msg_Dbg( &sys.demuxer, "Tags" );
3638     ep = new EbmlParser( &es, tags, &sys.demuxer );
3639     while( ( el = ep->Get() ) != NULL )
3640     {
3641         if( MKV_IS_ID( el, KaxTag ) )
3642         {
3643             msg_Dbg( &sys.demuxer, "+ Tag" );
3644             ep->Down();
3645             while( ( el = ep->Get() ) != NULL )
3646             {
3647                 if( MKV_IS_ID( el, KaxTagTargets ) )
3648                 {
3649                     msg_Dbg( &sys.demuxer, "|   + Targets" );
3650                     ep->Down();
3651                     while( ( el = ep->Get() ) != NULL )
3652                     {
3653                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3654                     }
3655                     ep->Up();
3656                 }
3657                 else if( MKV_IS_ID( el, KaxTagGeneral ) )
3658                 {
3659                     msg_Dbg( &sys.demuxer, "|   + General" );
3660                     ep->Down();
3661                     while( ( el = ep->Get() ) != NULL )
3662                     {
3663                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3664                     }
3665                     ep->Up();
3666                 }
3667                 else if( MKV_IS_ID( el, KaxTagGenres ) )
3668                 {
3669                     msg_Dbg( &sys.demuxer, "|   + Genres" );
3670                     ep->Down();
3671                     while( ( el = ep->Get() ) != NULL )
3672                     {
3673                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3674                     }
3675                     ep->Up();
3676                 }
3677                 else if( MKV_IS_ID( el, KaxTagAudioSpecific ) )
3678                 {
3679                     msg_Dbg( &sys.demuxer, "|   + Audio Specific" );
3680                     ep->Down();
3681                     while( ( el = ep->Get() ) != NULL )
3682                     {
3683                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3684                     }
3685                     ep->Up();
3686                 }
3687                 else if( MKV_IS_ID( el, KaxTagImageSpecific ) )
3688                 {
3689                     msg_Dbg( &sys.demuxer, "|   + Images Specific" );
3690                     ep->Down();
3691                     while( ( el = ep->Get() ) != NULL )
3692                     {
3693                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3694                     }
3695                     ep->Up();
3696                 }
3697                 else if( MKV_IS_ID( el, KaxTagMultiComment ) )
3698                 {
3699                     msg_Dbg( &sys.demuxer, "|   + Multi Comment" );
3700                 }
3701                 else if( MKV_IS_ID( el, KaxTagMultiCommercial ) )
3702                 {
3703                     msg_Dbg( &sys.demuxer, "|   + Multi Commercial" );
3704                 }
3705                 else if( MKV_IS_ID( el, KaxTagMultiDate ) )
3706                 {
3707                     msg_Dbg( &sys.demuxer, "|   + Multi Date" );
3708                 }
3709                 else if( MKV_IS_ID( el, KaxTagMultiEntity ) )
3710                 {
3711                     msg_Dbg( &sys.demuxer, "|   + Multi Entity" );
3712                 }
3713                 else if( MKV_IS_ID( el, KaxTagMultiIdentifier ) )
3714                 {
3715                     msg_Dbg( &sys.demuxer, "|   + Multi Identifier" );
3716                 }
3717                 else if( MKV_IS_ID( el, KaxTagMultiLegal ) )
3718                 {
3719                     msg_Dbg( &sys.demuxer, "|   + Multi Legal" );
3720                 }
3721                 else if( MKV_IS_ID( el, KaxTagMultiTitle ) )
3722                 {
3723                     msg_Dbg( &sys.demuxer, "|   + Multi Title" );
3724                 }
3725                 else
3726                 {
3727                     msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid( *el ).name() );
3728                 }
3729             }
3730             ep->Up();
3731         }
3732         else
3733         {
3734             msg_Dbg( &sys.demuxer, "+ Unknown (%s)", typeid( *el ).name() );
3735         }
3736     }
3737     delete ep;
3738     delete tags;
3739
3740     msg_Dbg( &sys.demuxer, "loading tags done." );
3741     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3742 }
3743
3744 /*****************************************************************************
3745  * ParseSeekHead:
3746  *****************************************************************************/
3747 void matroska_segment_c::ParseSeekHead( KaxSeekHead *seekhead )
3748 {
3749     EbmlElement *el;
3750     size_t i, j;
3751     int i_upper_level = 0;
3752
3753     msg_Dbg( &sys.demuxer, "|   + Seek head" );
3754
3755     /* Master elements */
3756     seekhead->Read( es, seekhead->Generic().Context, i_upper_level, el, true );
3757
3758     for( i = 0; i < seekhead->ListSize(); i++ )
3759     {
3760         EbmlElement *l = (*seekhead)[i];
3761
3762         if( MKV_IS_ID( l, KaxSeek ) )
3763         {
3764             EbmlMaster *sk = static_cast<EbmlMaster *>(l);
3765             EbmlId id = EbmlVoid::ClassInfos.GlobalId;
3766             int64_t i_pos = -1;
3767
3768             for( j = 0; j < sk->ListSize(); j++ )
3769             {
3770                 EbmlElement *l = (*sk)[j];
3771
3772                 if( MKV_IS_ID( l, KaxSeekID ) )
3773                 {
3774                     KaxSeekID &sid = *(KaxSeekID*)l;
3775                     id = EbmlId( sid.GetBuffer(), sid.GetSize() );
3776                 }
3777                 else if( MKV_IS_ID( l, KaxSeekPosition ) )
3778                 {
3779                     KaxSeekPosition &spos = *(KaxSeekPosition*)l;
3780                     i_pos = uint64( spos );
3781                 }
3782                 else
3783                 {
3784                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
3785                 }
3786             }
3787
3788             if( i_pos >= 0 )
3789             {
3790                 if( id == KaxCues::ClassInfos.GlobalId )
3791                 {
3792                     msg_Dbg( &sys.demuxer, "|   |   |   = cues at "I64Fd, i_pos );
3793                     i_cues_position = segment->GetGlobalPosition( i_pos );
3794                 }
3795                 else if( id == KaxChapters::ClassInfos.GlobalId )
3796                 {
3797                     msg_Dbg( &sys.demuxer, "|   |   |   = chapters at "I64Fd, i_pos );
3798                     i_chapters_position = segment->GetGlobalPosition( i_pos );
3799                 }
3800                 else if( id == KaxTags::ClassInfos.GlobalId )
3801                 {
3802                     msg_Dbg( &sys.demuxer, "|   |   |   = tags at "I64Fd, i_pos );
3803                     i_tags_position = segment->GetGlobalPosition( i_pos );
3804                 }
3805             }
3806         }
3807         else
3808         {
3809             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
3810         }
3811     }
3812 }
3813
3814 /*****************************************************************************
3815  * ParseTrackEntry:
3816  *****************************************************************************/
3817 void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
3818 {
3819     size_t i, j, k, n;
3820
3821     mkv_track_t *tk;
3822
3823     msg_Dbg( &sys.demuxer, "|   |   + Track Entry" );
3824
3825     tk = new mkv_track_t();
3826     tracks.push_back( tk );
3827
3828     /* Init the track */
3829     memset( tk, 0, sizeof( mkv_track_t ) );
3830
3831     es_format_Init( &tk->fmt, UNKNOWN_ES, 0 );
3832     tk->fmt.psz_language = strdup("English");
3833     tk->fmt.psz_description = NULL;
3834
3835     tk->b_default = VLC_TRUE;
3836     tk->b_enabled = VLC_TRUE;
3837     tk->b_silent = VLC_FALSE;
3838     tk->i_number = tracks.size() - 1;
3839     tk->i_extra_data = 0;
3840     tk->p_extra_data = NULL;
3841     tk->psz_codec = NULL;
3842     tk->i_default_duration = 0;
3843     tk->f_timecodescale = 1.0;
3844
3845     tk->b_inited = VLC_FALSE;
3846     tk->i_data_init = 0;
3847     tk->p_data_init = NULL;
3848
3849     tk->psz_codec_name = NULL;
3850     tk->psz_codec_settings = NULL;
3851     tk->psz_codec_info_url = NULL;
3852     tk->psz_codec_download_url = NULL;
3853
3854     tk->i_compression_type = MATROSKA_COMPRESSION_NONE;
3855
3856     for( i = 0; i < m->ListSize(); i++ )
3857     {
3858         EbmlElement *l = (*m)[i];
3859
3860         if( MKV_IS_ID( l, KaxTrackNumber ) )
3861         {
3862             KaxTrackNumber &tnum = *(KaxTrackNumber*)l;
3863
3864             tk->i_number = uint32( tnum );
3865             msg_Dbg( &sys.demuxer, "|   |   |   + Track Number=%u", uint32( tnum ) );
3866         }
3867         else  if( MKV_IS_ID( l, KaxTrackUID ) )
3868         {
3869             KaxTrackUID &tuid = *(KaxTrackUID*)l;
3870
3871             msg_Dbg( &sys.demuxer, "|   |   |   + Track UID=%u",  uint32( tuid ) );
3872         }
3873         else  if( MKV_IS_ID( l, KaxTrackType ) )
3874         {
3875             char *psz_type;
3876             KaxTrackType &ttype = *(KaxTrackType*)l;
3877
3878             switch( uint8(ttype) )
3879             {
3880                 case track_audio:
3881                     psz_type = "audio";
3882                     tk->fmt.i_cat = AUDIO_ES;
3883                     break;
3884                 case track_video:
3885                     psz_type = "video";
3886                     tk->fmt.i_cat = VIDEO_ES;
3887                     break;
3888                 case track_subtitle:
3889                     psz_type = "subtitle";
3890                     tk->fmt.i_cat = SPU_ES;
3891                     break;
3892                 case track_buttons:
3893                     psz_type = "buttons";
3894                     tk->fmt.i_cat = SPU_ES;
3895                     break;
3896                 default:
3897                     psz_type = "unknown";
3898                     tk->fmt.i_cat = UNKNOWN_ES;
3899                     break;
3900             }
3901
3902             msg_Dbg( &sys.demuxer, "|   |   |   + Track Type=%s", psz_type );
3903         }
3904 //        else  if( EbmlId( *l ) == KaxTrackFlagEnabled::ClassInfos.GlobalId )
3905 //        {
3906 //            KaxTrackFlagEnabled &fenb = *(KaxTrackFlagEnabled*)l;
3907
3908 //            tk->b_enabled = uint32( fenb );
3909 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Enabled=%u",
3910 //                     uint32( fenb )  );
3911 //        }
3912         else  if( MKV_IS_ID( l, KaxTrackFlagDefault ) )
3913         {
3914             KaxTrackFlagDefault &fdef = *(KaxTrackFlagDefault*)l;
3915
3916             tk->b_default = uint32( fdef );
3917             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default=%u", uint32( fdef )  );
3918         }
3919         else  if( MKV_IS_ID( l, KaxTrackFlagLacing ) )
3920         {
3921             KaxTrackFlagLacing &lac = *(KaxTrackFlagLacing*)l;
3922
3923             msg_Dbg( &sys.demuxer, "|   |   |   + Track Lacing=%d", uint32( lac ) );
3924         }
3925         else  if( MKV_IS_ID( l, KaxTrackMinCache ) )
3926         {
3927             KaxTrackMinCache &cmin = *(KaxTrackMinCache*)l;
3928
3929             msg_Dbg( &sys.demuxer, "|   |   |   + Track MinCache=%d", uint32( cmin ) );
3930         }
3931         else  if( MKV_IS_ID( l, KaxTrackMaxCache ) )
3932         {
3933             KaxTrackMaxCache &cmax = *(KaxTrackMaxCache*)l;
3934
3935             msg_Dbg( &sys.demuxer, "|   |   |   + Track MaxCache=%d", uint32( cmax ) );
3936         }
3937         else  if( MKV_IS_ID( l, KaxTrackDefaultDuration ) )
3938         {
3939             KaxTrackDefaultDuration &defd = *(KaxTrackDefaultDuration*)l;
3940
3941             tk->i_default_duration = uint64(defd);
3942             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default Duration="I64Fd, uint64(defd) );
3943         }
3944         else  if( MKV_IS_ID( l, KaxTrackTimecodeScale ) )
3945         {
3946             KaxTrackTimecodeScale &ttcs = *(KaxTrackTimecodeScale*)l;
3947
3948             tk->f_timecodescale = float( ttcs );
3949             msg_Dbg( &sys.demuxer, "|   |   |   + Track TimeCodeScale=%f", tk->f_timecodescale );
3950         }
3951         else if( MKV_IS_ID( l, KaxTrackName ) )
3952         {
3953             KaxTrackName &tname = *(KaxTrackName*)l;
3954
3955             tk->fmt.psz_description = UTF8ToStr( UTFstring( tname ) );
3956             msg_Dbg( &sys.demuxer, "|   |   |   + Track Name=%s", tk->fmt.psz_description );
3957         }
3958         else  if( MKV_IS_ID( l, KaxTrackLanguage ) )
3959         {
3960             KaxTrackLanguage &lang = *(KaxTrackLanguage*)l;
3961
3962             tk->fmt.psz_language = strdup( string( lang ).c_str() );
3963             msg_Dbg( &sys.demuxer,
3964                      "|   |   |   + Track Language=`%s'", tk->fmt.psz_language );
3965         }
3966         else  if( MKV_IS_ID( l, KaxCodecID ) )
3967         {
3968             KaxCodecID &codecid = *(KaxCodecID*)l;
3969
3970             tk->psz_codec = strdup( string( codecid ).c_str() );
3971             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecId=%s", string( codecid ).c_str() );
3972         }
3973         else  if( MKV_IS_ID( l, KaxCodecPrivate ) )
3974         {
3975             KaxCodecPrivate &cpriv = *(KaxCodecPrivate*)l;
3976
3977             tk->i_extra_data = cpriv.GetSize();
3978             if( tk->i_extra_data > 0 )
3979             {
3980                 tk->p_extra_data = (uint8_t*)malloc( tk->i_extra_data );
3981                 memcpy( tk->p_extra_data, cpriv.GetBuffer(), tk->i_extra_data );
3982             }
3983             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecPrivate size="I64Fd, cpriv.GetSize() );
3984         }
3985         else if( MKV_IS_ID( l, KaxCodecName ) )
3986         {
3987             KaxCodecName &cname = *(KaxCodecName*)l;
3988
3989             tk->psz_codec_name = UTF8ToStr( UTFstring( cname ) );
3990             msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Name=%s", tk->psz_codec_name );
3991         }
3992         else if( MKV_IS_ID( l, KaxContentEncodings ) )
3993         {
3994             EbmlMaster *cencs = static_cast<EbmlMaster*>(l);
3995             MkvTree( sys.demuxer, 3, "Content Encodings" );
3996             for( j = 0; j < cencs->ListSize(); j++ )
3997             {
3998                 EbmlElement *l2 = (*cencs)[j];
3999                 if( MKV_IS_ID( l2, KaxContentEncoding ) )
4000                 {
4001                     MkvTree( sys.demuxer, 4, "Content Encoding" );
4002                     EbmlMaster *cenc = static_cast<EbmlMaster*>(l2);
4003                     for( k = 0; k < cenc->ListSize(); k++ )
4004                     {
4005                         EbmlElement *l3 = (*cenc)[k];
4006                         if( MKV_IS_ID( l3, KaxContentEncodingOrder ) )
4007                         {
4008                             KaxContentEncodingOrder &encord = *(KaxContentEncodingOrder*)l3;
4009                             MkvTree( sys.demuxer, 5, "Order: %i", uint32( encord ) );
4010                         }
4011                         else if( MKV_IS_ID( l3, KaxContentEncodingScope ) )
4012                         {
4013                             KaxContentEncodingScope &encscope = *(KaxContentEncodingScope*)l3;
4014                             MkvTree( sys.demuxer, 5, "Scope: %i", uint32( encscope ) );
4015                         }
4016                         else if( MKV_IS_ID( l3, KaxContentEncodingType ) )
4017                         {
4018                             KaxContentEncodingType &enctype = *(KaxContentEncodingType*)l3;
4019                             MkvTree( sys.demuxer, 5, "Type: %i", uint32( enctype ) );
4020                         }
4021                         else if( MKV_IS_ID( l3, KaxContentCompression ) )
4022                         {
4023                             EbmlMaster *compr = static_cast<EbmlMaster*>(l3);
4024                             MkvTree( sys.demuxer, 5, "Content Compression" );
4025                             for( n = 0; n < compr->ListSize(); n++ )
4026                             {
4027                                 EbmlElement *l4 = (*compr)[n];
4028                                 if( MKV_IS_ID( l4, KaxContentCompAlgo ) )
4029                                 {
4030                                     KaxContentCompAlgo &compalg = *(KaxContentCompAlgo*)l4;
4031                                     MkvTree( sys.demuxer, 6, "Compression Algorithm: %i", uint32(compalg) );
4032                                     if( uint32( compalg ) == 0 )
4033                                     {
4034                                         tk->i_compression_type = MATROSKA_COMPRESSION_ZLIB;
4035                                     }
4036                                 }
4037                                 else
4038                                 {
4039                                     MkvTree( sys.demuxer, 6, "Unknown (%s)", typeid(*l4).name() );
4040                                 }
4041                             }
4042                         }
4043
4044                         else
4045                         {
4046                             MkvTree( sys.demuxer, 5, "Unknown (%s)", typeid(*l3).name() );
4047                         }
4048                     }
4049
4050                 }
4051                 else
4052                 {
4053                     MkvTree( sys.demuxer, 4, "Unknown (%s)", typeid(*l2).name() );
4054                 }
4055             }
4056
4057         }
4058 //        else if( EbmlId( *l ) == KaxCodecSettings::ClassInfos.GlobalId )
4059 //        {
4060 //            KaxCodecSettings &cset = *(KaxCodecSettings*)l;
4061
4062 //            tk->psz_codec_settings = UTF8ToStr( UTFstring( cset ) );
4063 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Settings=%s", tk->psz_codec_settings );
4064 //        }
4065 //        else if( EbmlId( *l ) == KaxCodecInfoURL::ClassInfos.GlobalId )
4066 //        {
4067 //            KaxCodecInfoURL &ciurl = *(KaxCodecInfoURL*)l;
4068
4069 //            tk->psz_codec_info_url = strdup( string( ciurl ).c_str() );
4070 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_info_url );
4071 //        }
4072 //        else if( EbmlId( *l ) == KaxCodecDownloadURL::ClassInfos.GlobalId )
4073 //        {
4074 //            KaxCodecDownloadURL &cdurl = *(KaxCodecDownloadURL*)l;
4075
4076 //            tk->psz_codec_download_url = strdup( string( cdurl ).c_str() );
4077 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_download_url );
4078 //        }
4079 //        else if( EbmlId( *l ) == KaxCodecDecodeAll::ClassInfos.GlobalId )
4080 //        {
4081 //            KaxCodecDecodeAll &cdall = *(KaxCodecDecodeAll*)l;
4082
4083 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Decode All=%u <== UNUSED", uint8( cdall ) );
4084 //        }
4085 //        else if( EbmlId( *l ) == KaxTrackOverlay::ClassInfos.GlobalId )
4086 //        {
4087 //            KaxTrackOverlay &tovr = *(KaxTrackOverlay*)l;
4088
4089 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Overlay=%u <== UNUSED", uint32( tovr ) );
4090 //        }
4091         else  if( MKV_IS_ID( l, KaxTrackVideo ) )
4092         {
4093             EbmlMaster *tkv = static_cast<EbmlMaster*>(l);
4094             unsigned int j;
4095
4096             msg_Dbg( &sys.demuxer, "|   |   |   + Track Video" );
4097             tk->f_fps = 0.0;
4098
4099             tk->fmt.video.i_frame_rate_base = (unsigned int)(tk->i_default_duration / 1000);
4100             tk->fmt.video.i_frame_rate = 1000000;
4101
4102             for( j = 0; j < tkv->ListSize(); j++ )
4103             {
4104                 EbmlElement *l = (*tkv)[j];
4105 //                if( EbmlId( *el4 ) == KaxVideoFlagInterlaced::ClassInfos.GlobalId )
4106 //                {
4107 //                    KaxVideoFlagInterlaced &fint = *(KaxVideoFlagInterlaced*)el4;
4108
4109 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Interlaced=%u", uint8( fint ) );
4110 //                }
4111 //                else if( EbmlId( *el4 ) == KaxVideoStereoMode::ClassInfos.GlobalId )
4112 //                {
4113 //                    KaxVideoStereoMode &stereo = *(KaxVideoStereoMode*)el4;
4114
4115 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Stereo Mode=%u", uint8( stereo ) );
4116 //                }
4117 //                else
4118                 if( MKV_IS_ID( l, KaxVideoPixelWidth ) )
4119                 {
4120                     KaxVideoPixelWidth &vwidth = *(KaxVideoPixelWidth*)l;
4121
4122                     tk->fmt.video.i_width = uint16( vwidth );
4123                     msg_Dbg( &sys.demuxer, "|   |   |   |   + width=%d", uint16( vwidth ) );
4124                 }
4125                 else if( MKV_IS_ID( l, KaxVideoPixelHeight ) )
4126                 {
4127                     KaxVideoPixelWidth &vheight = *(KaxVideoPixelWidth*)l;
4128
4129                     tk->fmt.video.i_height = uint16( vheight );
4130                     msg_Dbg( &sys.demuxer, "|   |   |   |   + height=%d", uint16( vheight ) );
4131                 }
4132                 else if( MKV_IS_ID( l, KaxVideoDisplayWidth ) )
4133                 {
4134                     KaxVideoDisplayWidth &vwidth = *(KaxVideoDisplayWidth*)l;
4135
4136                     tk->fmt.video.i_visible_width = uint16( vwidth );
4137                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display width=%d", uint16( vwidth ) );
4138                 }
4139                 else if( MKV_IS_ID( l, KaxVideoDisplayHeight ) )
4140                 {
4141                     KaxVideoDisplayWidth &vheight = *(KaxVideoDisplayWidth*)l;
4142
4143                     tk->fmt.video.i_visible_height = uint16( vheight );
4144                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display height=%d", uint16( vheight ) );
4145                 }
4146                 else if( MKV_IS_ID( l, KaxVideoFrameRate ) )
4147                 {
4148                     KaxVideoFrameRate &vfps = *(KaxVideoFrameRate*)l;
4149
4150                     tk->f_fps = float( vfps );
4151                     msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( vfps ) );
4152                 }
4153 //                else if( EbmlId( *l ) == KaxVideoDisplayUnit::ClassInfos.GlobalId )
4154 //                {
4155 //                     KaxVideoDisplayUnit &vdmode = *(KaxVideoDisplayUnit*)l;
4156
4157 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Display Unit=%s",
4158 //                             uint8( vdmode ) == 0 ? "pixels" : ( uint8( vdmode ) == 1 ? "centimeters": "inches" ) );
4159 //                }
4160 //                else if( EbmlId( *l ) == KaxVideoAspectRatio::ClassInfos.GlobalId )
4161 //                {
4162 //                    KaxVideoAspectRatio &ratio = *(KaxVideoAspectRatio*)l;
4163
4164 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + Track Video Aspect Ratio Type=%u", uint8( ratio ) );
4165 //                }
4166 //                else if( EbmlId( *l ) == KaxVideoGamma::ClassInfos.GlobalId )
4167 //                {
4168 //                    KaxVideoGamma &gamma = *(KaxVideoGamma*)l;
4169
4170 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( gamma ) );
4171 //                }
4172                 else
4173                 {
4174                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4175                 }
4176             }
4177             if ( tk->fmt.video.i_visible_height && tk->fmt.video.i_visible_width )
4178                 tk->fmt.video.i_aspect = VOUT_ASPECT_FACTOR * tk->fmt.video.i_visible_width / tk->fmt.video.i_visible_height;
4179         }
4180         else  if( MKV_IS_ID( l, KaxTrackAudio ) )
4181         {
4182             EbmlMaster *tka = static_cast<EbmlMaster*>(l);
4183             unsigned int j;
4184
4185             msg_Dbg( &sys.demuxer, "|   |   |   + Track Audio" );
4186
4187             for( j = 0; j < tka->ListSize(); j++ )
4188             {
4189                 EbmlElement *l = (*tka)[j];
4190
4191                 if( MKV_IS_ID( l, KaxAudioSamplingFreq ) )
4192                 {
4193                     KaxAudioSamplingFreq &afreq = *(KaxAudioSamplingFreq*)l;
4194
4195                     tk->fmt.audio.i_rate = (int)float( afreq );
4196                     msg_Dbg( &sys.demuxer, "|   |   |   |   + afreq=%d", tk->fmt.audio.i_rate );
4197                 }
4198                 else if( MKV_IS_ID( l, KaxAudioChannels ) )
4199                 {
4200                     KaxAudioChannels &achan = *(KaxAudioChannels*)l;
4201
4202                     tk->fmt.audio.i_channels = uint8( achan );
4203                     msg_Dbg( &sys.demuxer, "|   |   |   |   + achan=%u", uint8( achan ) );
4204                 }
4205                 else if( MKV_IS_ID( l, KaxAudioBitDepth ) )
4206                 {
4207                     KaxAudioBitDepth &abits = *(KaxAudioBitDepth*)l;
4208
4209                     tk->fmt.audio.i_bitspersample = uint8( abits );
4210                     msg_Dbg( &sys.demuxer, "|   |   |   |   + abits=%u", uint8( abits ) );
4211                 }
4212                 else
4213                 {
4214                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4215                 }
4216             }
4217         }
4218         else
4219         {
4220             msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)",
4221                      typeid(*l).name() );
4222         }
4223     }
4224 }
4225
4226 /*****************************************************************************
4227  * ParseTracks:
4228  *****************************************************************************/
4229 void matroska_segment_c::ParseTracks( KaxTracks *tracks )
4230 {
4231     EbmlElement *el;
4232     unsigned int i;
4233     int i_upper_level = 0;
4234
4235     msg_Dbg( &sys.demuxer, "|   + Tracks" );
4236
4237     /* Master elements */
4238     tracks->Read( es, tracks->Generic().Context, i_upper_level, el, true );
4239
4240     for( i = 0; i < tracks->ListSize(); i++ )
4241     {
4242         EbmlElement *l = (*tracks)[i];
4243
4244         if( MKV_IS_ID( l, KaxTrackEntry ) )
4245         {
4246             ParseTrackEntry( static_cast<KaxTrackEntry *>(l) );
4247         }
4248         else
4249         {
4250             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4251         }
4252     }
4253 }
4254
4255 /*****************************************************************************
4256  * ParseInfo:
4257  *****************************************************************************/
4258 void matroska_segment_c::ParseInfo( KaxInfo *info )
4259 {
4260     EbmlElement *el;
4261     EbmlMaster  *m;
4262     size_t i, j;
4263     int i_upper_level = 0;
4264
4265     msg_Dbg( &sys.demuxer, "|   + Information" );
4266
4267     /* Master elements */
4268     m = static_cast<EbmlMaster *>(info);
4269     m->Read( es, info->Generic().Context, i_upper_level, el, true );
4270
4271     for( i = 0; i < m->ListSize(); i++ )
4272     {
4273         EbmlElement *l = (*m)[i];
4274
4275         if( MKV_IS_ID( l, KaxSegmentUID ) )
4276         {
4277             p_segment_uid = new KaxSegmentUID(*static_cast<KaxSegmentUID*>(l));
4278
4279             msg_Dbg( &sys.demuxer, "|   |   + UID=%d", *(uint32*)p_segment_uid->GetBuffer() );
4280         }
4281         else if( MKV_IS_ID( l, KaxPrevUID ) )
4282         {
4283             p_prev_segment_uid = new KaxPrevUID(*static_cast<KaxPrevUID*>(l));
4284
4285             msg_Dbg( &sys.demuxer, "|   |   + PrevUID=%d", *(uint32*)p_prev_segment_uid->GetBuffer() );
4286         }
4287         else if( MKV_IS_ID( l, KaxNextUID ) )
4288         {
4289             p_next_segment_uid = new KaxNextUID(*static_cast<KaxNextUID*>(l));
4290
4291             msg_Dbg( &sys.demuxer, "|   |   + NextUID=%d", *(uint32*)p_next_segment_uid->GetBuffer() );
4292         }
4293         else if( MKV_IS_ID( l, KaxTimecodeScale ) )
4294         {
4295             KaxTimecodeScale &tcs = *(KaxTimecodeScale*)l;
4296
4297             i_timescale = uint64(tcs);
4298
4299             msg_Dbg( &sys.demuxer, "|   |   + TimecodeScale="I64Fd,
4300                      i_timescale );
4301         }
4302         else if( MKV_IS_ID( l, KaxDuration ) )
4303         {
4304             KaxDuration &dur = *(KaxDuration*)l;
4305
4306             i_duration = mtime_t( double( dur ) );
4307
4308             msg_Dbg( &sys.demuxer, "|   |   + Duration="I64Fd,
4309                      i_duration );
4310         }
4311         else if( MKV_IS_ID( l, KaxMuxingApp ) )
4312         {
4313             KaxMuxingApp &mapp = *(KaxMuxingApp*)l;
4314
4315             psz_muxing_application = UTF8ToStr( UTFstring( mapp ) );
4316
4317             msg_Dbg( &sys.demuxer, "|   |   + Muxing Application=%s",
4318                      psz_muxing_application );
4319         }
4320         else if( MKV_IS_ID( l, KaxWritingApp ) )
4321         {
4322             KaxWritingApp &wapp = *(KaxWritingApp*)l;
4323
4324             psz_writing_application = UTF8ToStr( UTFstring( wapp ) );
4325
4326             msg_Dbg( &sys.demuxer, "|   |   + Writing Application=%s",
4327                      psz_writing_application );
4328         }
4329         else if( MKV_IS_ID( l, KaxSegmentFilename ) )
4330         {
4331             KaxSegmentFilename &sfn = *(KaxSegmentFilename*)l;
4332
4333             psz_segment_filename = UTF8ToStr( UTFstring( sfn ) );
4334
4335             msg_Dbg( &sys.demuxer, "|   |   + Segment Filename=%s",
4336                      psz_segment_filename );
4337         }
4338         else if( MKV_IS_ID( l, KaxTitle ) )
4339         {
4340             KaxTitle &title = *(KaxTitle*)l;
4341
4342             psz_title = UTF8ToStr( UTFstring( title ) );
4343
4344             msg_Dbg( &sys.demuxer, "|   |   + Title=%s", psz_title );
4345         }
4346         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
4347         {
4348             KaxSegmentFamily *uid = static_cast<KaxSegmentFamily*>(l);
4349
4350             families.push_back(*uid);
4351
4352             msg_Dbg( &sys.demuxer, "|   |   + family=%d", *(uint32*)uid->GetBuffer() );
4353         }
4354 #if defined( HAVE_GMTIME_R ) && !defined( SYS_DARWIN )
4355         else if( MKV_IS_ID( l, KaxDateUTC ) )
4356         {
4357             KaxDateUTC &date = *(KaxDateUTC*)l;
4358             time_t i_date;
4359             struct tm tmres;
4360             char   buffer[256];
4361
4362             i_date = date.GetEpochDate();
4363             memset( buffer, 0, 256 );
4364             if( gmtime_r( &i_date, &tmres ) &&
4365                 asctime_r( &tmres, buffer ) )
4366             {
4367                 buffer[strlen( buffer)-1]= '\0';
4368                 psz_date_utc = strdup( buffer );
4369                 msg_Dbg( &sys.demuxer, "|   |   + Date=%s", psz_date_utc );
4370             }
4371         }
4372 #endif
4373 #if LIBMATROSKA_VERSION >= 0x000704
4374         else if( MKV_IS_ID( l, KaxChapterTranslate ) )
4375         {
4376             KaxChapterTranslate *p_trans = static_cast<KaxChapterTranslate*>( l );
4377             chapter_translation_c *p_translate = new chapter_translation_c();
4378
4379             p_trans->Read( es, p_trans->Generic().Context, i_upper_level, el, true );
4380             for( j = 0; j < p_trans->ListSize(); j++ )
4381             {
4382                 EbmlElement *l = (*p_trans)[j];
4383
4384                 if( MKV_IS_ID( l, KaxChapterTranslateEditionUID ) )
4385                 {
4386                     p_translate->editions.push_back( uint64( *static_cast<KaxChapterTranslateEditionUID*>( l ) ) );
4387                 }
4388                 else if( MKV_IS_ID( l, KaxChapterTranslateCodec ) )
4389                 {
4390                     p_translate->codec_id = uint32( *static_cast<KaxChapterTranslateCodec*>( l ) );
4391                 }
4392                 else if( MKV_IS_ID( l, KaxChapterTranslateID ) )
4393                 {
4394                     p_translate->p_translated = new KaxChapterTranslateID( *static_cast<KaxChapterTranslateID*>( l ) );
4395                 }
4396             }
4397
4398             translations.push_back( p_translate );
4399         }
4400 #endif
4401         else
4402         {
4403             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4404         }
4405     }
4406
4407     double f_dur = double(i_duration) * double(i_timescale) / 1000000.0;
4408     i_duration = mtime_t(f_dur);
4409 }
4410
4411
4412 /*****************************************************************************
4413  * ParseChapterAtom
4414  *****************************************************************************/
4415 void matroska_segment_c::ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters )
4416 {
4417     size_t i, j;
4418
4419     msg_Dbg( &sys.demuxer, "|   |   |   + ChapterAtom (level=%d)", i_level );
4420     for( i = 0; i < ca->ListSize(); i++ )
4421     {
4422         EbmlElement *l = (*ca)[i];
4423
4424         if( MKV_IS_ID( l, KaxChapterUID ) )
4425         {
4426             chapters.i_uid = uint64_t(*(KaxChapterUID*)l);
4427             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterUID: %lld", chapters.i_uid );
4428         }
4429         else if( MKV_IS_ID( l, KaxChapterFlagHidden ) )
4430         {
4431             KaxChapterFlagHidden &flag =*(KaxChapterFlagHidden*)l;
4432             chapters.b_display_seekpoint = uint8( flag ) == 0;
4433
4434             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterFlagHidden: %s", chapters.b_display_seekpoint ? "no":"yes" );
4435         }
4436         else if( MKV_IS_ID( l, KaxChapterTimeStart ) )
4437         {
4438             KaxChapterTimeStart &start =*(KaxChapterTimeStart*)l;
4439             chapters.i_start_time = uint64( start ) / I64C(1000);
4440
4441             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeStart: %lld", chapters.i_start_time );
4442         }
4443         else if( MKV_IS_ID( l, KaxChapterTimeEnd ) )
4444         {
4445             KaxChapterTimeEnd &end =*(KaxChapterTimeEnd*)l;
4446             chapters.i_end_time = uint64( end ) / I64C(1000);
4447
4448             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeEnd: %lld", chapters.i_end_time );
4449         }
4450         else if( MKV_IS_ID( l, KaxChapterDisplay ) )
4451         {
4452             EbmlMaster *cd = static_cast<EbmlMaster *>(l);
4453
4454             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterDisplay" );
4455             for( j = 0; j < cd->ListSize(); j++ )
4456             {
4457                 EbmlElement *l= (*cd)[j];
4458
4459                 if( MKV_IS_ID( l, KaxChapterString ) )
4460                 {
4461                     int k;
4462
4463                     KaxChapterString &name =*(KaxChapterString*)l;
4464                     for (k = 0; k < i_level; k++)
4465                         chapters.psz_name += '+';
4466                     chapters.psz_name += ' ';
4467                     chapters.psz_name += UTF8ToStr( UTFstring( name ) );
4468                     chapters.b_user_display = true;
4469
4470                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterString '%s'", UTF8ToStr(UTFstring(name)) );
4471                 }
4472                 else if( MKV_IS_ID( l, KaxChapterLanguage ) )
4473                 {
4474                     KaxChapterLanguage &lang =*(KaxChapterLanguage*)l;
4475                     const char *psz = string( lang ).c_str();
4476
4477                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterLanguage '%s'", psz );
4478                 }
4479                 else if( MKV_IS_ID( l, KaxChapterCountry ) )
4480                 {
4481                     KaxChapterCountry &ct =*(KaxChapterCountry*)l;
4482                     const char *psz = string( ct ).c_str();
4483
4484                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterCountry '%s'", psz );
4485                 }
4486             }
4487         }
4488         else if( MKV_IS_ID( l, KaxChapterProcess ) )
4489         {
4490             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterProcess" );
4491
4492             KaxChapterProcess *cp = static_cast<KaxChapterProcess *>(l);
4493             chapter_codec_cmds_c *p_ccodec = NULL;
4494
4495             for( j = 0; j < cp->ListSize(); j++ )
4496             {
4497                 EbmlElement *k= (*cp)[j];
4498
4499                 if( MKV_IS_ID( k, KaxChapterProcessCodecID ) )
4500                 {
4501                     KaxChapterProcessCodecID *p_codec_id = static_cast<KaxChapterProcessCodecID*>( k );
4502                     if ( uint32(*p_codec_id) == 0 )
4503                         p_ccodec = new matroska_script_codec_c( sys );
4504                     else if ( uint32(*p_codec_id) == 1 )
4505                         p_ccodec = new dvd_chapter_codec_c( sys );
4506                     break;
4507                 }
4508             }
4509
4510             if ( p_ccodec != NULL )
4511             {
4512                 for( j = 0; j < cp->ListSize(); j++ )
4513                 {
4514                     EbmlElement *k= (*cp)[j];
4515
4516                     if( MKV_IS_ID( k, KaxChapterProcessPrivate ) )
4517                     {
4518                         KaxChapterProcessPrivate * p_private = static_cast<KaxChapterProcessPrivate*>( k );
4519                         p_ccodec->SetPrivate( *p_private );
4520                     }
4521                     else if( MKV_IS_ID( k, KaxChapterProcessCommand ) )
4522                     {
4523                         p_ccodec->AddCommand( *static_cast<KaxChapterProcessCommand*>( k ) );
4524                     }
4525                 }
4526                 chapters.codecs.push_back( p_ccodec );
4527             }
4528         }
4529         else if( MKV_IS_ID( l, KaxChapterAtom ) )
4530         {
4531             chapter_item_c *new_sub_chapter = new chapter_item_c();
4532             ParseChapterAtom( i_level+1, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4533             new_sub_chapter->psz_parent = &chapters;
4534             chapters.sub_chapters.push_back( new_sub_chapter );
4535         }
4536     }
4537 }
4538
4539 /*****************************************************************************
4540  * ParseChapters:
4541  *****************************************************************************/
4542 void matroska_segment_c::ParseChapters( KaxChapters *chapters )
4543 {
4544     EbmlElement *el;
4545     size_t i;
4546     int i_upper_level = 0;
4547     mtime_t i_dur;
4548
4549     /* Master elements */
4550     chapters->Read( es, chapters->Generic().Context, i_upper_level, el, true );
4551
4552     for( i = 0; i < chapters->ListSize(); i++ )
4553     {
4554         EbmlElement *l = (*chapters)[i];
4555
4556         if( MKV_IS_ID( l, KaxEditionEntry ) )
4557         {
4558             chapter_edition_c *p_edition = new chapter_edition_c();
4559
4560             EbmlMaster *E = static_cast<EbmlMaster *>(l );
4561             size_t j;
4562             msg_Dbg( &sys.demuxer, "|   |   + EditionEntry" );
4563             for( j = 0; j < E->ListSize(); j++ )
4564             {
4565                 EbmlElement *l = (*E)[j];
4566
4567                 if( MKV_IS_ID( l, KaxChapterAtom ) )
4568                 {
4569                     chapter_item_c *new_sub_chapter = new chapter_item_c();
4570                     ParseChapterAtom( 0, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4571                     p_edition->sub_chapters.push_back( new_sub_chapter );
4572                 }
4573                 else if( MKV_IS_ID( l, KaxEditionUID ) )
4574                 {
4575                     p_edition->i_uid = uint64(*static_cast<KaxEditionUID *>( l ));
4576                 }
4577                 else if( MKV_IS_ID( l, KaxEditionFlagOrdered ) )
4578                 {
4579                     p_edition->b_ordered = config_GetInt( &sys.demuxer, "mkv-use-ordered-chapters" ) ? (uint8(*static_cast<KaxEditionFlagOrdered *>( l )) != 0) : 0;
4580                 }
4581                 else if( MKV_IS_ID( l, KaxEditionFlagDefault ) )
4582                 {
4583                     if (uint8(*static_cast<KaxEditionFlagDefault *>( l )) != 0)
4584                         i_default_edition = stored_editions.size();
4585                 }
4586                 else
4587                 {
4588                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
4589                 }
4590             }
4591             stored_editions.push_back( p_edition );
4592         }
4593         else
4594         {
4595             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4596         }
4597     }
4598
4599     for( i = 0; i < stored_editions.size(); i++ )
4600     {
4601         stored_editions[i]->RefreshChapters( );
4602     }
4603
4604     if ( stored_editions.size() != 0 && stored_editions[i_default_edition]->b_ordered )
4605     {
4606         /* update the duration of the segment according to the sum of all sub chapters */
4607         i_dur = stored_editions[i_default_edition]->Duration() / I64C(1000);
4608         if (i_dur > 0)
4609             i_duration = i_dur;
4610     }
4611 }
4612
4613 void matroska_segment_c::ParseCluster( )
4614 {
4615     EbmlElement *el;
4616     EbmlMaster  *m;
4617     unsigned int i;
4618     int i_upper_level = 0;
4619
4620     /* Master elements */
4621     m = static_cast<EbmlMaster *>( cluster );
4622     m->Read( es, cluster->Generic().Context, i_upper_level, el, true );
4623
4624     for( i = 0; i < m->ListSize(); i++ )
4625     {
4626         EbmlElement *l = (*m)[i];
4627
4628         if( MKV_IS_ID( l, KaxClusterTimecode ) )
4629         {
4630             KaxClusterTimecode &ctc = *(KaxClusterTimecode*)l;
4631
4632             cluster->InitTimecode( uint64( ctc ), i_timescale );
4633             break;
4634         }
4635     }
4636
4637     i_start_time = cluster->GlobalTimecode() / 1000;
4638 }
4639
4640 /*****************************************************************************
4641  * InformationCreate:
4642  *****************************************************************************/
4643 void matroska_segment_c::InformationCreate( )
4644 {
4645     size_t      i_track;
4646
4647     sys.meta = vlc_meta_New();
4648
4649     if( psz_title )
4650     {
4651         vlc_meta_Add( sys.meta, VLC_META_TITLE, psz_title );
4652     }
4653     if( psz_date_utc )
4654     {
4655         vlc_meta_Add( sys.meta, VLC_META_DATE, psz_date_utc );
4656     }
4657     if( psz_segment_filename )
4658     {
4659         vlc_meta_Add( sys.meta, _("Segment filename"), psz_segment_filename );
4660     }
4661     if( psz_muxing_application )
4662     {
4663         vlc_meta_Add( sys.meta, _("Muxing application"), psz_muxing_application );
4664     }
4665     if( psz_writing_application )
4666     {
4667         vlc_meta_Add( sys.meta, _("Writing application"), psz_writing_application );
4668     }
4669
4670     for( i_track = 0; i_track < tracks.size(); i_track++ )
4671     {
4672         mkv_track_t *tk = tracks[i_track];
4673         vlc_meta_t *mtk = vlc_meta_New();
4674
4675         sys.meta->track = (vlc_meta_t**)realloc( sys.meta->track,
4676                                                     sizeof( vlc_meta_t * ) * ( sys.meta->i_track + 1 ) );
4677         sys.meta->track[sys.meta->i_track++] = mtk;
4678
4679         if( tk->fmt.psz_description )
4680         {
4681             vlc_meta_Add( sys.meta, VLC_META_DESCRIPTION, tk->fmt.psz_description );
4682         }
4683         if( tk->psz_codec_name )
4684         {
4685             vlc_meta_Add( sys.meta, VLC_META_CODEC_NAME, tk->psz_codec_name );
4686         }
4687         if( tk->psz_codec_settings )
4688         {
4689             vlc_meta_Add( sys.meta, VLC_META_SETTING, tk->psz_codec_settings );
4690         }
4691         if( tk->psz_codec_info_url )
4692         {
4693             vlc_meta_Add( sys.meta, VLC_META_CODEC_DESCRIPTION, tk->psz_codec_info_url );
4694         }
4695         if( tk->psz_codec_download_url )
4696         {
4697             vlc_meta_Add( sys.meta, VLC_META_URL, tk->psz_codec_download_url );
4698         }
4699     }
4700
4701     if( i_tags_position >= 0 )
4702     {
4703         vlc_bool_t b_seekable;
4704
4705         stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
4706         if( b_seekable )
4707         {
4708             LoadTags( );
4709         }
4710     }
4711 }
4712
4713
4714 /*****************************************************************************
4715  * Divers
4716  *****************************************************************************/
4717
4718 void matroska_segment_c::IndexAppendCluster( KaxCluster *cluster )
4719 {
4720 #define idx p_indexes[i_index]
4721     idx.i_track       = -1;
4722     idx.i_block_number= -1;
4723     idx.i_position    = cluster->GetElementPosition();
4724     idx.i_time        = -1;
4725     idx.b_key         = VLC_TRUE;
4726
4727     i_index++;
4728     if( i_index >= i_index_max )
4729     {
4730         i_index_max += 1024;
4731         p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
4732     }
4733 #undef idx
4734 }
4735
4736 static char * UTF8ToStr( const UTFstring &u )
4737 {
4738     int     i_src;
4739     const wchar_t *src;
4740     char *dst, *p;
4741
4742     i_src = u.length();
4743     src   = u.c_str();
4744
4745     p = dst = (char*)malloc( i_src + 1);
4746     while( i_src > 0 )
4747     {
4748         if( *src < 255 )
4749         {
4750             *p++ = (char)*src;
4751         }
4752         else
4753         {
4754             *p++ = '?';
4755         }
4756         src++;
4757         i_src--;
4758     }
4759     *p++= '\0';
4760
4761     return dst;
4762 }
4763
4764 void chapter_edition_c::RefreshChapters( )
4765 {
4766     chapter_item_c::RefreshChapters( b_ordered, -1 );
4767     b_display_seekpoint = false;
4768 }
4769
4770 int64_t chapter_item_c::RefreshChapters( bool b_ordered, int64_t i_prev_user_time )
4771 {
4772     int64_t i_user_time = i_prev_user_time;
4773
4774     // first the sub-chapters, and then ourself
4775     std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
4776     while ( index != sub_chapters.end() )
4777     {
4778         i_user_time = (*index)->RefreshChapters( b_ordered, i_user_time );
4779         index++;
4780     }
4781
4782     if ( b_ordered )
4783     {
4784         // the ordered chapters always start at zero
4785         if ( i_prev_user_time == -1 )
4786         {
4787             if ( i_user_time == -1 )
4788                 i_user_time = 0;
4789             i_prev_user_time = 0;
4790         }
4791
4792         i_user_start_time = i_prev_user_time;
4793         if ( i_end_time != -1 && i_user_time == i_prev_user_time )
4794         {
4795             i_user_end_time = i_user_start_time - i_start_time + i_end_time;
4796         }
4797         else
4798         {
4799             i_user_end_time = i_user_time;
4800         }
4801     }
4802     else
4803     {
4804         std::sort( sub_chapters.begin(), sub_chapters.end() );
4805         i_user_start_time = i_start_time;
4806         if ( i_end_time != -1 )
4807             i_user_end_time = i_end_time;
4808         else if ( i_user_time != -1 )
4809             i_user_end_time = i_user_time;
4810         else
4811             i_user_end_time = i_user_start_time;
4812     }
4813
4814     return i_user_end_time;
4815 }
4816
4817 mtime_t chapter_edition_c::Duration() const
4818 {
4819     mtime_t i_result = 0;
4820
4821     if ( sub_chapters.size() )
4822     {
4823         std::vector<chapter_item_c*>::const_iterator index = sub_chapters.end();
4824         index--;
4825         i_result = (*index)->i_user_end_time;
4826     }
4827
4828     return i_result;
4829 }
4830
4831 chapter_item_c * chapter_edition_c::FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current )
4832 {
4833     if ( !b_ordered )
4834         p_current = NULL;
4835     bool b_found_current = false;
4836     return chapter_item_c::FindTimecode( i_timecode, p_current, b_found_current );
4837 }
4838
4839 chapter_item_c *chapter_item_c::FindTimecode( mtime_t i_user_timecode, const chapter_item_c * p_current, bool & b_found )
4840 {
4841     chapter_item_c *psz_result = NULL;
4842
4843     if ( p_current == this )
4844         b_found = true;
4845
4846     if ( i_user_timecode >= i_user_start_time &&
4847         ( i_user_timecode < i_user_end_time ||
4848           ( i_user_start_time == i_user_end_time && i_user_timecode == i_user_end_time )))
4849     {
4850         std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
4851         while ( index != sub_chapters.end() && ((p_current == NULL && psz_result == NULL) || (p_current != NULL && (!b_found || psz_result == NULL))))
4852         {
4853             psz_result = (*index)->FindTimecode( i_user_timecode, p_current, b_found );
4854             index++;
4855         }
4856
4857         if ( psz_result == NULL )
4858             psz_result = this;
4859     }
4860
4861     return psz_result;
4862 }
4863
4864 bool chapter_item_c::ParentOf( const chapter_item_c & item ) const
4865 {
4866     if ( &item == this )
4867         return true;
4868
4869     std::vector<chapter_item_c*>::const_iterator index = sub_chapters.begin();
4870     while ( index != sub_chapters.end() )
4871     {
4872         if ( (*index)->ParentOf( item ) )
4873             return true;
4874         index++;
4875     }
4876
4877     return false;
4878 }
4879
4880 void demux_sys_t::PreloadFamily( const matroska_segment_c & of_segment )
4881 {
4882     for (size_t i=0; i<opened_segments.size(); i++)
4883     {
4884         opened_segments[i]->PreloadFamily( of_segment );
4885     }
4886 }
4887 bool matroska_segment_c::PreloadFamily( const matroska_segment_c & of_segment )
4888 {
4889     if ( b_preloaded )
4890         return false;
4891
4892     for (size_t i=0; i<families.size(); i++)
4893     {
4894         for (size_t j=0; j<of_segment.families.size(); j++)
4895         {
4896             if ( families[i] == of_segment.families[j] )
4897                 return Preload( );
4898         }
4899     }
4900
4901     return false;
4902 }
4903
4904 // preload all the linked segments for all preloaded segments
4905 void demux_sys_t::PreloadLinked( matroska_segment_c *p_segment )
4906 {
4907     size_t i_preloaded, i, j;
4908     virtual_segment_c *p_seg;
4909
4910     p_current_segment = VirtualFromSegments( p_segment );
4911
4912     used_segments.push_back( p_current_segment );
4913
4914     // create all the other virtual segments of the family
4915     do {
4916         i_preloaded = 0;
4917         for ( i=0; i< opened_segments.size(); i++ )
4918         {
4919             if ( opened_segments[i]->b_preloaded && !IsUsedSegment( *opened_segments[i] ) )
4920             {
4921                 p_seg = VirtualFromSegments( opened_segments[i] );
4922                 used_segments.push_back( p_seg );
4923                 i_preloaded++;
4924             }
4925         }
4926     } while ( i_preloaded ); // worst case: will stop when all segments are found as family related
4927
4928     // publish all editions of all usable segment
4929     for ( i=0; i< used_segments.size(); i++ )
4930     {
4931         p_seg = used_segments[i];
4932         if ( p_seg->p_editions != NULL )
4933         {
4934             std::string sz_name;
4935             input_title_t *p_title = vlc_input_title_New();
4936             p_seg->i_sys_title = i;
4937             int i_chapters;
4938
4939             // TODO use a name for each edition, let the TITLE deal with a codec name
4940             for ( j=0; j<p_seg->p_editions->size(); j++ )
4941             {
4942                 if ( p_title->psz_name == NULL )
4943                 {
4944                     sz_name = (*p_seg->p_editions)[j]->GetMainName();
4945                     if ( sz_name != "" )
4946                         p_title->psz_name = strdup( sz_name.c_str() );
4947                 }
4948
4949                 chapter_edition_c *p_edition = (*p_seg->p_editions)[j];
4950
4951                 i_chapters = 0;
4952                 p_edition->PublishChapters( *p_title, i_chapters, 0 );
4953             }
4954
4955             // create a name if there is none
4956             if ( p_title->psz_name == NULL )
4957             {
4958                 sz_name = N_("Segment ");
4959                 char psz_str[6];
4960                 sprintf( psz_str, "%d", i );
4961                 sz_name += psz_str;
4962                 p_title->psz_name = strdup( sz_name.c_str() );
4963             }
4964
4965             titles.push_back( p_title );
4966         }
4967     }
4968
4969     // TODO decide which segment should be first used (VMG for DVD)
4970 }
4971
4972 bool demux_sys_t::IsUsedSegment( matroska_segment_c &segment ) const
4973 {
4974     for ( size_t i=0; i< used_segments.size(); i++ )
4975     {
4976         if ( used_segments[i]->FindUID( *segment.p_segment_uid ) )
4977             return true;
4978     }
4979     return false;
4980 }
4981
4982 virtual_segment_c *demux_sys_t::VirtualFromSegments( matroska_segment_c *p_segment ) const
4983 {
4984     size_t i_preloaded, i;
4985
4986     virtual_segment_c *p_result = new virtual_segment_c( p_segment );
4987
4988     // fill our current virtual segment with all hard linked segments
4989     do {
4990         i_preloaded = 0;
4991         for ( i=0; i< opened_segments.size(); i++ )
4992         {
4993             i_preloaded += p_result->AddSegment( opened_segments[i] );
4994         }
4995     } while ( i_preloaded ); // worst case: will stop when all segments are found as linked
4996
4997     p_result->Sort( );
4998
4999     p_result->PreloadLinked( );
5000
5001     p_result->PrepareChapters( );
5002
5003     return p_result;
5004 }
5005
5006 bool demux_sys_t::PreparePlayback( virtual_segment_c *p_new_segment )
5007 {
5008     if ( p_new_segment != NULL && p_new_segment != p_current_segment )
5009     {
5010         if ( p_current_segment != NULL && p_current_segment->Segment() != NULL )
5011             p_current_segment->Segment()->UnSelect();
5012
5013         p_current_segment = p_new_segment;
5014         i_current_title = p_new_segment->i_sys_title;
5015     }
5016
5017     p_current_segment->LoadCues();
5018     f_duration = p_current_segment->Duration();
5019
5020     /* add information */
5021     p_current_segment->Segment()->InformationCreate( );
5022
5023     p_current_segment->Segment()->Select( 0 );
5024
5025     return true;
5026 }
5027
5028 void demux_sys_t::JumpTo( virtual_segment_c & vsegment, chapter_item_c * p_chapter )
5029 {
5030     // if the segment is not part of the current segment, select the new one
5031     if ( &vsegment != p_current_segment )
5032     {
5033         PreparePlayback( &vsegment );
5034     }
5035
5036     if ( p_chapter != NULL )
5037     {
5038         if ( !p_chapter->Enter( true ) )
5039         {
5040             // jump to the location in the found segment
5041             vsegment.Seek( demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5042         }
5043     }
5044
5045 }
5046
5047 bool matroska_segment_c::CompareSegmentUIDs( const matroska_segment_c * p_item_a, const matroska_segment_c * p_item_b )
5048 {
5049     EbmlBinary * p_itema = (EbmlBinary *)(p_item_a->p_segment_uid);
5050     if ( *p_itema == *p_item_b->p_prev_segment_uid )
5051         return true;
5052
5053     p_itema = (EbmlBinary *)(&p_item_a->p_next_segment_uid);
5054     if ( *p_itema == *p_item_b->p_segment_uid )
5055         return true;
5056
5057     if ( *p_itema == *p_item_b->p_prev_segment_uid )
5058         return true;
5059
5060     return false;
5061 }
5062
5063 bool matroska_segment_c::Preload( )
5064 {
5065     if ( b_preloaded )
5066         return false;
5067
5068     EbmlElement *el = NULL;
5069
5070     ep->Reset( &sys.demuxer );
5071
5072     while( ( el = ep->Get() ) != NULL )
5073     {
5074         if( MKV_IS_ID( el, KaxInfo ) )
5075         {
5076             ParseInfo( static_cast<KaxInfo*>( el ) );
5077         }
5078         else if( MKV_IS_ID( el, KaxTracks ) )
5079         {
5080             ParseTracks( static_cast<KaxTracks*>( el ) );
5081         }
5082         else if( MKV_IS_ID( el, KaxSeekHead ) )
5083         {
5084             ParseSeekHead( static_cast<KaxSeekHead*>( el ) );
5085         }
5086         else if( MKV_IS_ID( el, KaxCues ) )
5087         {
5088             msg_Dbg( &sys.demuxer, "|   + Cues" );
5089         }
5090         else if( MKV_IS_ID( el, KaxCluster ) )
5091         {
5092             msg_Dbg( &sys.demuxer, "|   + Cluster" );
5093
5094             cluster = (KaxCluster*)el;
5095
5096             i_cluster_pos = i_start_pos = cluster->GetElementPosition();
5097             ParseCluster( );
5098
5099             ep->Down();
5100             /* stop parsing the stream */
5101             break;
5102         }
5103         else if( MKV_IS_ID( el, KaxAttachments ) )
5104         {
5105             msg_Dbg( &sys.demuxer, "|   + Attachments FIXME (but probably never supported)" );
5106         }
5107         else if( MKV_IS_ID( el, KaxChapters ) )
5108         {
5109             msg_Dbg( &sys.demuxer, "|   + Chapters" );
5110             ParseChapters( static_cast<KaxChapters*>( el ) );
5111         }
5112         else if( MKV_IS_ID( el, KaxTag ) )
5113         {
5114             msg_Dbg( &sys.demuxer, "|   + Tags FIXME TODO" );
5115         }
5116         else
5117         {
5118             msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid(*el).name() );
5119         }
5120     }
5121
5122     b_preloaded = true;
5123
5124     return true;
5125 }
5126
5127 matroska_segment_c *demux_sys_t::FindSegment( const EbmlBinary & uid ) const
5128 {
5129     for (size_t i=0; i<opened_segments.size(); i++)
5130     {
5131         if ( *opened_segments[i]->p_segment_uid == uid )
5132             return opened_segments[i];
5133     }
5134     return NULL;
5135 }
5136
5137 chapter_item_c *demux_sys_t::BrowseCodecPrivate( unsigned int codec_id,
5138                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
5139                                         const void *p_cookie,
5140                                         size_t i_cookie_size,
5141                                         virtual_segment_c * &p_segment_found )
5142 {
5143     chapter_item_c *p_result = NULL;
5144     for (size_t i=0; i<used_segments.size(); i++)
5145     {
5146         p_result = used_segments[i]->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
5147         if ( p_result != NULL )
5148         {
5149             p_segment_found = used_segments[i];
5150             break;
5151         }
5152     }
5153     return p_result;
5154 }
5155
5156 chapter_item_c *demux_sys_t::FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found )
5157 {
5158     chapter_item_c *p_result = NULL;
5159     for (size_t i=0; i<used_segments.size(); i++)
5160     {
5161         p_result = used_segments[i]->FindChapter( i_find_uid );
5162         if ( p_result != NULL )
5163         {
5164             p_segment_found = used_segments[i];
5165             break;
5166         }
5167     }
5168     return p_result;
5169 }
5170
5171 void virtual_segment_c::Sort()
5172 {
5173     // keep the current segment index
5174     matroska_segment_c *p_segment = linked_segments[i_current_segment];
5175
5176     std::sort( linked_segments.begin(), linked_segments.end(), matroska_segment_c::CompareSegmentUIDs );
5177
5178     for ( i_current_segment=0; i_current_segment<linked_segments.size(); i_current_segment++)
5179         if ( linked_segments[i_current_segment] == p_segment )
5180             break;
5181 }
5182
5183 size_t virtual_segment_c::AddSegment( matroska_segment_c *p_segment )
5184 {
5185     size_t i;
5186     // check if it's not already in here
5187     for ( i=0; i<linked_segments.size(); i++ )
5188     {
5189         if ( *p_segment->p_segment_uid == *linked_segments[i]->p_segment_uid )
5190             return 0;
5191     }
5192
5193     // find possible mates
5194     for ( i=0; i<linked_uids.size(); i++ )
5195     {
5196         if (   (p_segment->p_segment_uid != NULL && *p_segment->p_segment_uid == linked_uids[i])
5197             || (p_segment->p_prev_segment_uid != NULL && *p_segment->p_prev_segment_uid == linked_uids[i])
5198             || (p_segment->p_next_segment_uid !=NULL && *p_segment->p_next_segment_uid == linked_uids[i]) )
5199         {
5200             linked_segments.push_back( p_segment );
5201
5202             AppendUID( p_segment->p_prev_segment_uid );
5203             AppendUID( p_segment->p_next_segment_uid );
5204
5205             return 1;
5206         }
5207     }
5208     return 0;
5209 }
5210
5211 void virtual_segment_c::PreloadLinked( )
5212 {
5213     for ( size_t i=0; i<linked_segments.size(); i++ )
5214     {
5215         linked_segments[i]->Preload( );
5216     }
5217     i_current_edition = linked_segments[0]->i_default_edition;
5218 }
5219
5220 mtime_t virtual_segment_c::Duration() const
5221 {
5222     mtime_t i_duration;
5223     if ( linked_segments.size() == 0 )
5224         i_duration = 0;
5225     else {
5226         matroska_segment_c *p_last_segment = linked_segments[linked_segments.size()-1];
5227 //        p_last_segment->ParseCluster( );
5228
5229         i_duration = p_last_segment->i_start_time / 1000 + p_last_segment->i_duration;
5230     }
5231     return i_duration;
5232 }
5233
5234 void virtual_segment_c::LoadCues( )
5235 {
5236     for ( size_t i=0; i<linked_segments.size(); i++ )
5237     {
5238         linked_segments[i]->LoadCues();
5239     }
5240 }
5241
5242 void virtual_segment_c::AppendUID( const EbmlBinary * p_UID )
5243 {
5244     if ( p_UID == NULL )
5245         return;
5246     if ( p_UID->GetBuffer() == NULL )
5247         return;
5248
5249     for (size_t i=0; i<linked_uids.size(); i++)
5250     {
5251         if ( *p_UID == linked_uids[i] )
5252             return;
5253     }
5254     linked_uids.push_back( *(KaxSegmentUID*)(p_UID) );
5255 }
5256
5257 void matroska_segment_c::Seek( mtime_t i_date, mtime_t i_time_offset )
5258 {
5259     KaxBlock    *block;
5260     int         i_track_skipping;
5261     int64_t     i_block_duration;
5262     int64_t     i_block_ref1;
5263     int64_t     i_block_ref2;
5264     size_t      i_track;
5265     int64_t     i_seek_position = i_start_pos;
5266     int64_t     i_seek_time = i_start_time;
5267
5268     if ( i_index > 0 )
5269     {
5270         int i_idx = 0;
5271
5272         for( ; i_idx < i_index; i_idx++ )
5273         {
5274             if( p_indexes[i_idx].i_time + i_time_offset > i_date )
5275             {
5276                 break;
5277             }
5278         }
5279
5280         if( i_idx > 0 )
5281         {
5282             i_idx--;
5283         }
5284
5285         i_seek_position = p_indexes[i_idx].i_position;
5286         i_seek_time = p_indexes[i_idx].i_time;
5287     }
5288
5289     msg_Dbg( &sys.demuxer, "seek got "I64Fd" (%d%%)",
5290                 i_seek_time, (int)( 100 * i_seek_position / stream_Size( sys.demuxer.s ) ) );
5291
5292     es.I_O().setFilePointer( i_seek_position, seek_beginning );
5293
5294     delete ep;
5295     ep = new EbmlParser( &es, segment, &sys.demuxer );
5296     cluster = NULL;
5297
5298     sys.i_start_pts = i_date;
5299
5300     es_out_Control( sys.demuxer.out, ES_OUT_RESET_PCR );
5301
5302     /* now parse until key frame */
5303     i_track_skipping = 0;
5304     for( i_track = 0; i_track < tracks.size(); i_track++ )
5305     {
5306         if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5307         {
5308             tracks[i_track]->b_search_keyframe = VLC_TRUE;
5309             i_track_skipping++;
5310         }
5311         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_date );
5312     }
5313
5314
5315     while( i_track_skipping > 0 )
5316     {
5317         if( BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
5318         {
5319             msg_Warn( &sys.demuxer, "cannot get block EOF?" );
5320
5321             return;
5322         }
5323         ep->Down();
5324
5325         for( i_track = 0; i_track < tracks.size(); i_track++ )
5326         {
5327             if( tracks[i_track]->i_number == block->TrackNum() )
5328             {
5329                 break;
5330             }
5331         }
5332
5333         sys.i_last_dts = sys.i_pts = (sys.i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
5334
5335         if( i_track < tracks.size() )
5336         {
5337            if( sys.i_pts >= sys.i_start_pts )
5338             {
5339                 cluster = static_cast<KaxCluster*>(ep->UnGet( i_block_pos, i_cluster_pos ));
5340                 i_track_skipping = 0;
5341             }
5342             else if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5343             {
5344                 if( i_block_ref1 == 0 && tracks[i_track]->b_search_keyframe )
5345                 {
5346                     tracks[i_track]->b_search_keyframe = VLC_FALSE;
5347                     i_track_skipping--;
5348                 }
5349                 if( !tracks[i_track]->b_search_keyframe )
5350                 {
5351                     BlockDecode( &sys.demuxer, block, sys.i_pts, 0 );
5352                 }
5353             }
5354         }
5355
5356         delete block;
5357     }
5358 }
5359
5360 void virtual_segment_c::Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter )
5361 {
5362     demux_sys_t *p_sys = demuxer.p_sys;
5363     size_t i;
5364
5365     // find the actual time for an ordered edition
5366     if ( psz_chapter == NULL )
5367     {
5368         if ( Edition() && Edition()->b_ordered )
5369         {
5370             /* 1st, we need to know in which chapter we are */
5371             psz_chapter = (*p_editions)[i_current_edition]->FindTimecode( i_date, psz_current_chapter );
5372         }
5373     }
5374
5375     if ( psz_chapter != NULL )
5376     {
5377         psz_current_chapter = psz_chapter;
5378         p_sys->i_chapter_time = i_time_offset = psz_chapter->i_user_start_time - psz_chapter->i_start_time;
5379         if ( psz_chapter->i_seekpoint_num > 0 )
5380         {
5381             demuxer.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
5382             demuxer.info.i_title = p_sys->i_current_title = i_sys_title;
5383             demuxer.info.i_seekpoint = psz_chapter->i_seekpoint_num - 1;
5384         }
5385     }
5386
5387     // find the best matching segment
5388     for ( i=0; i<linked_segments.size(); i++ )
5389     {
5390         if ( i_date < linked_segments[i]->i_start_time )
5391             break;
5392     }
5393
5394     if ( i > 0 )
5395         i--;
5396
5397     if ( i_current_segment != i  )
5398     {
5399         linked_segments[i_current_segment]->UnSelect();
5400         linked_segments[i]->Select( i_date );
5401         i_current_segment = i;
5402     }
5403
5404     linked_segments[i]->Seek( i_date, i_time_offset );
5405 }
5406
5407 void chapter_codec_cmds_c::AddCommand( const KaxChapterProcessCommand & command )
5408 {
5409     size_t i;
5410
5411     uint32 codec_time = uint32(-1);
5412     for( i = 0; i < command.ListSize(); i++ )
5413     {
5414         const EbmlElement *k = command[i];
5415
5416         if( MKV_IS_ID( k, KaxChapterProcessTime ) )
5417         {
5418             codec_time = uint32( *static_cast<const KaxChapterProcessTime*>( k ) );
5419             break;
5420         }
5421     }
5422
5423     for( i = 0; i < command.ListSize(); i++ )
5424     {
5425         const EbmlElement *k = command[i];
5426
5427         if( MKV_IS_ID( k, KaxChapterProcessData ) )
5428         {
5429             KaxChapterProcessData *p_data =  new KaxChapterProcessData( *static_cast<const KaxChapterProcessData*>( k ) );
5430             switch ( codec_time )
5431             {
5432             case 0:
5433                 during_cmds.push_back( p_data );
5434                 break;
5435             case 1:
5436                 enter_cmds.push_back( p_data );
5437                 break;
5438             case 2:
5439                 leave_cmds.push_back( p_data );
5440                 break;
5441             default:
5442                 delete p_data;
5443             }
5444         }
5445     }
5446 }
5447
5448 bool chapter_item_c::Enter( bool b_do_subs )
5449 {
5450     bool f_result = false;
5451     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5452     while ( index != codecs.end() )
5453     {
5454         f_result |= (*index)->Enter();
5455         index++;
5456     }
5457
5458     if ( b_do_subs )
5459     {
5460         // sub chapters
5461         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5462         while ( index_ != sub_chapters.end() )
5463         {
5464             f_result |= (*index_)->Enter( true );
5465             index_++;
5466         }
5467     }
5468     return f_result;
5469 }
5470
5471 bool chapter_item_c::Leave( bool b_do_subs )
5472 {
5473     bool f_result = false;
5474     b_is_leaving = true;
5475     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5476     while ( index != codecs.end() )
5477     {
5478         f_result |= (*index)->Leave();
5479         index++;
5480     }
5481
5482     if ( b_do_subs )
5483     {
5484         // sub chapters
5485         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5486         while ( index_ != sub_chapters.end() )
5487         {
5488             f_result |= (*index_)->Leave( true );
5489             index_++;
5490         }
5491     }
5492     b_is_leaving = false;
5493     return f_result;
5494 }
5495
5496 bool chapter_item_c::EnterAndLeave( chapter_item_c *p_item, bool b_final_enter )
5497 {
5498     chapter_item_c *p_common_parent = p_item;
5499
5500     // leave, up to a common parent
5501     while ( p_common_parent != NULL && !p_common_parent->ParentOf( *this ) )
5502     {
5503         if ( !p_common_parent->b_is_leaving && p_common_parent->Leave( false ) )
5504             return true;
5505         p_common_parent = p_common_parent->psz_parent;
5506     }
5507
5508     // enter from the parent to <this>
5509     if ( p_common_parent != NULL )
5510     {
5511         do
5512         {
5513             if ( p_common_parent == this )
5514                 return Enter( true );
5515
5516             for ( size_t i = 0; i<p_common_parent->sub_chapters.size(); i++ )
5517             {
5518                 if ( p_common_parent->sub_chapters[i]->ParentOf( *this ) )
5519                 {
5520                     p_common_parent = p_common_parent->sub_chapters[i];
5521                     if ( p_common_parent != this )
5522                         if ( p_common_parent->Enter( false ) )
5523                             return true;
5524
5525                     break;
5526                 }
5527             }
5528         } while ( 1 );
5529     }
5530
5531     if ( b_final_enter )
5532         return Enter( true );
5533     else
5534         return false;
5535 }
5536
5537 bool dvd_chapter_codec_c::Enter()
5538 {
5539     bool f_result = false;
5540     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
5541     while ( index != enter_cmds.end() )
5542     {
5543         if ( (*index)->GetSize() )
5544         {
5545             binary *p_data = (*index)->GetBuffer();
5546             size_t i_size = *p_data++;
5547             // avoid reading too much from the buffer
5548             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
5549             for ( ; i_size > 0; i_size--, p_data += 8 )
5550             {
5551                 msg_Dbg( &sys.demuxer, "Matroska DVD enter command" );
5552                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5553             }
5554         }
5555         index++;
5556     }
5557     return f_result;
5558 }
5559
5560 bool dvd_chapter_codec_c::Leave()
5561 {
5562     bool f_result = false;
5563     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
5564     while ( index != leave_cmds.end() )
5565     {
5566         if ( (*index)->GetSize() )
5567         {
5568             binary *p_data = (*index)->GetBuffer();
5569             size_t i_size = *p_data++;
5570             // avoid reading too much from the buffer
5571             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
5572             for ( ; i_size > 0; i_size--, p_data += 8 )
5573             {
5574                 msg_Dbg( &sys.demuxer, "Matroska DVD leave command" );
5575                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5576             }
5577         }
5578         index++;
5579     }
5580     return f_result;
5581 }
5582
5583 // see http://www.dvd-replica.com/DVD/vmcmdset.php for a description of DVD commands
5584 bool dvd_command_interpretor_c::Interpret( const binary * p_command, size_t i_size )
5585 {
5586     if ( i_size != 8 )
5587         return false;
5588
5589     virtual_segment_c *p_segment;
5590     chapter_item_c *p_chapter;
5591     bool f_result = false;
5592     uint16 i_command = ( p_command[0] << 8 ) + p_command[1];
5593
5594     // handle register tests if there are some
5595     if ( (i_command & 0xF0) != 0 )
5596     {
5597         bool b_test_positive = true;//(i_command & CMD_DVD_IF_NOT) == 0;
5598         bool b_test_value    = (i_command & CMD_DVD_TEST_VALUE) != 0;
5599         uint8 i_test = i_command & 0x70;
5600         uint16 i_value;
5601
5602         // see http://dvd.sourceforge.net/dvdinfo/vmi.html
5603         uint8  i_cr1;
5604         uint16 i_cr2;
5605         switch ( i_command >> 12 )
5606         {
5607         default:
5608             i_cr1 = p_command[3];
5609             i_cr2 = (p_command[4] << 8) + p_command[5];
5610             break;
5611         case 3:
5612         case 4:
5613         case 5:
5614             i_cr1 = p_command[6];
5615             i_cr2 = p_command[7];
5616             b_test_value = false;
5617             break;
5618         case 6:
5619         case 7:
5620             if ( ((p_command[1] >> 4) & 0x7) == 0)
5621             {
5622                 i_cr1 = p_command[2];
5623                 i_cr2 = (p_command[6] << 8) + p_command[7];
5624             }
5625             else
5626             {
5627                 i_cr1 = p_command[2];
5628                 i_cr2 = (p_command[6] << 8) + p_command[7];
5629             }
5630             break;
5631         }
5632
5633         if ( b_test_value )
5634             i_value = i_cr2;
5635         else
5636             i_value = GetPRM( i_cr2 );
5637
5638         switch ( i_test )
5639         {
5640         case CMD_DVD_IF_GPREG_EQUAL:
5641             // if equals
5642             msg_Dbg( &sys.demuxer, "IF %s EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5643             if (!( GetPRM( i_cr1 ) == i_value ))
5644             {
5645                 b_test_positive = false;
5646             }
5647             break;
5648         case CMD_DVD_IF_GPREG_NOT_EQUAL:
5649             // if not equals
5650             msg_Dbg( &sys.demuxer, "IF %s NOT EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5651             if (!( GetPRM( i_cr1 ) != i_value ))
5652             {
5653                 b_test_positive = false;
5654             }
5655             break;
5656         case CMD_DVD_IF_GPREG_INF:
5657             // if inferior
5658             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5659             if (!( GetPRM( i_cr1 ) < i_value ))
5660             {
5661                 b_test_positive = false;
5662             }
5663             break;
5664         case CMD_DVD_IF_GPREG_INF_EQUAL:
5665             // if inferior or equal
5666             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5667             if (!( GetPRM( i_cr1 ) <= i_value ))
5668             {
5669                 b_test_positive = false;
5670             }
5671             break;
5672         case CMD_DVD_IF_GPREG_AND:
5673             // if logical and
5674             msg_Dbg( &sys.demuxer, "IF %s & %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5675             if (!( GetPRM( i_cr1 ) & i_value ))
5676             {
5677                 b_test_positive = false;
5678             }
5679             break;
5680         case CMD_DVD_IF_GPREG_SUP:
5681             // if superior
5682             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5683             if (!( GetPRM( i_cr1 ) > i_value ))
5684             {
5685                 b_test_positive = false;
5686             }
5687             break;
5688         case CMD_DVD_IF_GPREG_SUP_EQUAL:
5689             // if superior or equal
5690             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5691             if (!( GetPRM( i_cr1 ) >= i_value ))
5692             {
5693                 b_test_positive = false;
5694             }
5695             break;
5696         }
5697
5698         if ( !b_test_positive )
5699             return false;
5700     }
5701
5702     // strip the test command
5703     i_command &= 0xFF0F;
5704
5705     switch ( i_command )
5706     {
5707     case CMD_DVD_NOP:
5708     case CMD_DVD_NOP2:
5709         {
5710             msg_Dbg( &sys.demuxer, "NOP" );
5711             break;
5712         }
5713     case CMD_DVD_BREAK:
5714         {
5715             msg_Dbg( &sys.demuxer, "Break" );
5716             // TODO
5717             break;
5718         }
5719     case CMD_DVD_JUMP_TT:
5720         {
5721             uint8 i_title = p_command[5];
5722             msg_Dbg( &sys.demuxer, "JumpTT %d", i_title );
5723
5724             // find in the ChapProcessPrivate matching this Title level
5725             p_chapter = sys.BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title), p_segment );
5726             if ( p_segment != NULL )
5727             {
5728                 sys.JumpTo( *p_segment, p_chapter );
5729                 f_result = true;
5730             }
5731
5732             break;
5733         }
5734     case CMD_DVD_CALLSS_VTSM1:
5735         {
5736             msg_Dbg( &sys.demuxer, "CallSS" );
5737             binary p_type;
5738             switch( (p_command[6] & 0xC0) >> 6 ) {
5739                 case 0:
5740                     p_type = p_command[5] & 0x0F;
5741                     switch ( p_type )
5742                     {
5743                     case 0x00:
5744                         msg_Dbg( &sys.demuxer, "CallSS PGC (rsm_cell %x)", p_command[4]);
5745                         break;
5746                     case 0x02:
5747                         msg_Dbg( &sys.demuxer, "CallSS Title Entry (rsm_cell %x)", p_command[4]);
5748                         break;
5749                     case 0x03:
5750                         msg_Dbg( &sys.demuxer, "CallSS Root Menu (rsm_cell %x)", p_command[4]);
5751                         break;
5752                     case 0x04:
5753                         msg_Dbg( &sys.demuxer, "CallSS Subpicture Menu (rsm_cell %x)", p_command[4]);
5754                         break;
5755                     case 0x05:
5756                         msg_Dbg( &sys.demuxer, "CallSS Audio Menu (rsm_cell %x)", p_command[4]);
5757                         break;
5758                     case 0x06:
5759                         msg_Dbg( &sys.demuxer, "CallSS Angle Menu (rsm_cell %x)", p_command[4]);
5760                         break;
5761                     case 0x07:
5762                         msg_Dbg( &sys.demuxer, "CallSS Chapter Menu (rsm_cell %x)", p_command[4]);
5763                         break;
5764                     default:
5765                         msg_Dbg( &sys.demuxer, "CallSS <unknown> (rsm_cell %x)", p_command[4]);
5766                         break;
5767                     }
5768                     p_chapter = sys.BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1, p_segment );
5769                     if ( p_segment != NULL )
5770                     {
5771                         sys.JumpTo( *p_segment, p_chapter );
5772                         f_result = true;
5773                     }
5774                 break;
5775                 case 1:
5776                     msg_Dbg( &sys.demuxer, "CallSS VMGM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
5777                 break;
5778                 case 2:
5779                     msg_Dbg( &sys.demuxer, "CallSS VTSM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
5780                 break;
5781                 case 3:
5782                     msg_Dbg( &sys.demuxer, "CallSS VMGM (pgc %d, rsm_cell %x)", (p_command[2] << 8) + p_command[3], p_command[4]);
5783                 break;
5784             }
5785             break;
5786         }
5787     case CMD_DVD_JUMP_SS:
5788         {
5789             msg_Dbg( &sys.demuxer, "JumpSS");
5790             binary p_type;
5791             switch( (p_command[5] & 0xC0) >> 6 ) {
5792                 case 0:
5793                     msg_Dbg( &sys.demuxer, "JumpSS FP");
5794                 break;
5795                 case 1:
5796                     p_type = p_command[5] & 0x0F;
5797                     switch ( p_type )
5798                     {
5799                     case 0x02:
5800                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Title Entry");
5801                         break;
5802                     case 0x03:
5803                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Root Menu");
5804                         break;
5805                     case 0x04:
5806                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Subpicture Menu");
5807                         break;
5808                     case 0x05:
5809                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Audio Menu");
5810                         break;
5811                     case 0x06:
5812                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Angle Menu");
5813                         break;
5814                     case 0x07:
5815                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Chapter Menu");
5816                         break;
5817                     default:
5818                         msg_Dbg( &sys.demuxer, "JumpSS <unknown>");
5819                         break;
5820                     }
5821                     // find the VMG
5822                     p_chapter = sys.BrowseCodecPrivate( 1, MatchIsVMG, NULL, 0, p_segment );
5823                     if ( p_segment != NULL )
5824                     {
5825                         p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
5826                         if ( p_chapter != NULL )
5827                         {
5828                             sys.JumpTo( *p_segment, p_chapter );
5829                             f_result = true;
5830                         }
5831                     }
5832                 break;
5833                 case 2:
5834                     p_type = p_command[5] & 0x0F;
5835                     switch ( p_type )
5836                     {
5837                     case 0x02:
5838                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Title Entry", p_command[4], p_command[3]);
5839                         break;
5840                     case 0x03:
5841                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Root Menu", p_command[4], p_command[3]);
5842                         break;
5843                     case 0x04:
5844                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Subpicture Menu", p_command[4], p_command[3]);
5845                         break;
5846                     case 0x05:
5847                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Audio Menu", p_command[4], p_command[3]);
5848                         break;
5849                     case 0x06:
5850                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Angle Menu", p_command[4], p_command[3]);
5851                         break;
5852                     case 0x07:
5853                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Chapter Menu", p_command[4], p_command[3]);
5854                         break;
5855                     default:
5856                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) <unknown>", p_command[4], p_command[3]);
5857                         break;
5858                     }
5859
5860                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSMNumber, &p_command[4], 1, p_segment );
5861
5862                     if ( p_segment != NULL && p_chapter != NULL )
5863                     {
5864                         // find the title in the VTS
5865                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &p_command[3], 1 );
5866                         if ( p_chapter != NULL )
5867                         {
5868                             // find the specified menu in the VTSM
5869                             p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
5870                             if ( p_chapter != NULL )
5871                             {
5872                                 sys.JumpTo( *p_segment, p_chapter );
5873                                 f_result = true;
5874                             }
5875                         }
5876                         else
5877                             msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", p_command[3] );
5878                     }
5879                     else
5880                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", p_command[4] );
5881                 break;
5882                 case 3:
5883                     msg_Dbg( &sys.demuxer, "JumpSS VMGM (pgc %d)", (p_command[2] << 8) + p_command[3]);
5884                 break;
5885             }
5886             break;
5887         }
5888     case CMD_DVD_JUMPVTS_PTT:
5889         {
5890             uint8 i_title = p_command[5];
5891             uint8 i_ptt = p_command[3];
5892
5893             msg_Dbg( &sys.demuxer, "JumpVTS Title (%d) PTT (%d)", i_title, i_ptt);
5894
5895             // find the current VTS content segment
5896             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchIsDomain, NULL, 0 );
5897             if ( p_chapter != NULL )
5898             {
5899                 int16 i_curr_title = p_chapter->GetTitleNumber( );
5900                 if ( i_curr_title > 0 )
5901                 {
5902                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSNumber, &i_curr_title, sizeof(i_curr_title), p_segment );
5903
5904                     if ( p_segment != NULL && p_chapter != NULL )
5905                     {
5906                         // find the title in the VTS
5907                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title) );
5908                         if ( p_chapter != NULL )
5909                         {
5910                             // find the chapter in the title
5911                             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchChapterNumber, &i_ptt, sizeof(i_ptt) );
5912                             if ( p_chapter != NULL )
5913                             {
5914                                 sys.JumpTo( *p_segment, p_chapter );
5915                                 f_result = true;
5916                             }
5917                         }
5918                     else
5919                         msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", i_title );
5920                     }
5921                     else
5922                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", i_curr_title );
5923                 }
5924                 else
5925                     msg_Dbg( &sys.demuxer, "JumpVTS_PTT command found but not in a VTS(M)");
5926             }
5927             else
5928                 msg_Dbg( &sys.demuxer, "JumpVTS_PTT command but the DVD domain wasn't found");
5929             break;
5930         }
5931     case CMD_DVD_SET_GPRMMD:
5932         {
5933             msg_Dbg( &sys.demuxer, "Set GPRMMD [%d]=%d", (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3]);
5934
5935             if ( !SetGPRM( (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3] ) )
5936                 msg_Dbg( &sys.demuxer, "Set GPRMMD failed" );
5937             break;
5938         }
5939     case CMD_DVD_LINKPGCN:
5940         {
5941             uint16 i_pgcn = (p_command[6] << 8) + p_command[7];
5942
5943             msg_Dbg( &sys.demuxer, "Link PGCN(%d)", i_pgcn );
5944             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchPgcNumber, &i_pgcn, 2 );
5945             if ( p_chapter != NULL )
5946             {
5947                 if ( !p_chapter->Enter( true ) )
5948                     // jump to the location in the found segment
5949                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5950
5951                 f_result = true;
5952             }
5953             break;
5954         }
5955     case CMD_DVD_LINKCN:
5956         {
5957             uint8 i_cn = p_command[7];
5958
5959             p_chapter = sys.p_current_segment->CurrentChapter();
5960
5961             msg_Dbg( &sys.demuxer, "LinkCN (cell %d)", i_cn );
5962             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchCellNumber, &i_cn, 1 );
5963             if ( p_chapter != NULL )
5964             {
5965                 if ( !p_chapter->Enter( true ) )
5966                     // jump to the location in the found segment
5967                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5968
5969                 f_result = true;
5970             }
5971             break;
5972         }
5973     case CMD_DVD_GOTO_LINE:
5974         {
5975             msg_Dbg( &sys.demuxer, "GotoLine (%d)", (p_command[6] << 8) + p_command[7] );
5976             // TODO
5977             break;
5978         }
5979     case CMD_DVD_SET_HL_BTNN1:
5980         {
5981             msg_Dbg( &sys.demuxer, "SetHL_BTN (%d)", p_command[4] );
5982             SetSPRM( 0x88, p_command[4] );
5983             break;
5984         }
5985     default:
5986         {
5987             msg_Dbg( &sys.demuxer, "unsupported command : %02X %02X %02X %02X %02X %02X %02X %02X"
5988                      ,p_command[0]
5989                      ,p_command[1]
5990                      ,p_command[2]
5991                      ,p_command[3]
5992                      ,p_command[4]
5993                      ,p_command[5]
5994                      ,p_command[6]
5995                      ,p_command[7]);
5996             break;
5997         }
5998     }
5999
6000     return f_result;
6001 }
6002
6003 bool dvd_command_interpretor_c::MatchIsDomain( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6004 {
6005     return ( data.p_private_data != NULL && data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS );
6006 }
6007
6008 bool dvd_command_interpretor_c::MatchIsVMG( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6009 {
6010     if ( data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
6011         return false;
6012
6013     return ( data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS && data.p_private_data->GetBuffer()[1] == 0xC0);
6014 }
6015
6016 bool dvd_command_interpretor_c::MatchVTSNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6017 {
6018     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6019         return false;
6020
6021     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x80 )
6022         return false;
6023
6024     uint16 i_gtitle = (data.p_private_data->GetBuffer()[2] << 8 ) + data.p_private_data->GetBuffer()[3];
6025     uint16 i_title = *(uint16*)p_cookie;
6026
6027     return (i_gtitle == i_title);
6028 }
6029
6030 bool dvd_command_interpretor_c::MatchVTSMNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6031 {
6032     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6033         return false;
6034
6035     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x40 )
6036         return false;
6037
6038     uint8 i_gtitle = data.p_private_data->GetBuffer()[3];
6039     uint8 i_title = *(uint8*)p_cookie;
6040
6041     return (i_gtitle == i_title);
6042 }
6043
6044 bool dvd_command_interpretor_c::MatchTitleNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6045 {
6046     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6047         return false;
6048
6049     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_TT )
6050         return false;
6051
6052     uint16 i_gtitle = (data.p_private_data->GetBuffer()[1] << 8 ) + data.p_private_data->GetBuffer()[2];
6053     uint8 i_title = *(uint8*)p_cookie;
6054
6055     return (i_gtitle == i_title);
6056 }
6057
6058 bool dvd_command_interpretor_c::MatchPgcType( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6059 {
6060     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6061         return false;
6062
6063     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6064         return false;
6065
6066     uint8 i_pgc_type = data.p_private_data->GetBuffer()[3] & 0x0F;
6067     uint8 i_pgc = *(uint8*)p_cookie;
6068
6069     return (i_pgc_type == i_pgc);
6070 }
6071
6072 bool dvd_command_interpretor_c::MatchPgcNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6073 {
6074     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6075         return false;
6076
6077     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6078         return false;
6079
6080     uint16 *i_pgc_n = (uint16 *)p_cookie;
6081     uint16 i_pgc_num = (data.p_private_data->GetBuffer()[1] << 8) + data.p_private_data->GetBuffer()[2];
6082
6083     return (i_pgc_num == *i_pgc_n);
6084 }
6085
6086 bool dvd_command_interpretor_c::MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6087 {
6088     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
6089         return false;
6090
6091     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PTT )
6092         return false;
6093
6094     uint8 i_chapter = data.p_private_data->GetBuffer()[1];
6095     uint8 i_ptt = *(uint8*)p_cookie;
6096
6097     return (i_chapter == i_ptt);
6098 }
6099
6100 bool dvd_command_interpretor_c::MatchCellNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6101 {
6102     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 5 )
6103         return false;
6104
6105     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_CN )
6106         return false;
6107
6108     uint8 *i_cell_n = (uint8 *)p_cookie;
6109     uint8 i_cell_num = data.p_private_data->GetBuffer()[3];
6110
6111     return (i_cell_num == *i_cell_n);
6112 }
6113
6114 bool matroska_script_codec_c::Enter()
6115 {
6116     bool f_result = false;
6117     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
6118     while ( index != enter_cmds.end() )
6119     {
6120         if ( (*index)->GetSize() )
6121         {
6122             msg_Dbg( &sys.demuxer, "Matroska Script enter command" );
6123             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6124         }
6125         index++;
6126     }
6127     return f_result;
6128 }
6129
6130 bool matroska_script_codec_c::Leave()
6131 {
6132     bool f_result = false;
6133     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
6134     while ( index != leave_cmds.end() )
6135     {
6136         if ( (*index)->GetSize() )
6137         {
6138             msg_Dbg( &sys.demuxer, "Matroska Script leave command" );
6139             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6140         }
6141         index++;
6142     }
6143     return f_result;
6144 }
6145
6146 // see http://www.matroska.org/technical/specs/chapters/index.html#mscript
6147 //  for a description of existing commands
6148 bool matroska_script_interpretor_c::Interpret( const binary * p_command, size_t i_size )
6149 {
6150     bool b_result = false;
6151
6152     char *psz_str = (char*) malloc( i_size + 1 );
6153     memcpy( psz_str, p_command, i_size );
6154     psz_str[ i_size ] = '\0';
6155
6156     std::string sz_command = psz_str;
6157     free( psz_str );
6158
6159     msg_Dbg( &sys.demuxer, "command : %s", sz_command.c_str() );
6160
6161 #if defined(__GNUC__) && (__GNUC__ < 3)
6162     if ( sz_command.compare( CMD_MS_GOTO_AND_PLAY, 0, CMD_MS_GOTO_AND_PLAY.size() ) == 0 )
6163 #else
6164     if ( sz_command.compare( 0, CMD_MS_GOTO_AND_PLAY.size(), CMD_MS_GOTO_AND_PLAY ) == 0 )
6165 #endif
6166     {
6167         size_t i,j;
6168
6169         // find the (
6170         for ( i=CMD_MS_GOTO_AND_PLAY.size(); i<sz_command.size(); i++)
6171         {
6172             if ( sz_command[i] == '(' )
6173             {
6174                 i++;
6175                 break;
6176             }
6177         }
6178         // find the )
6179         for ( j=i; j<sz_command.size(); j++)
6180         {
6181             if ( sz_command[j] == ')' )
6182             {
6183                 i--;
6184                 break;
6185             }
6186         }
6187
6188         std::string st = sz_command.substr( i+1, j-i-1 );
6189         int64_t i_chapter_uid = atoi( st.c_str() );
6190
6191         virtual_segment_c *p_segment;
6192         chapter_item_c *p_chapter = sys.FindChapter( i_chapter_uid, p_segment );
6193
6194         if ( p_chapter == NULL )
6195             msg_Dbg( &sys.demuxer, "Chapter "I64Fd" not found", i_chapter_uid);
6196         else
6197         {
6198             if ( !p_chapter->EnterAndLeave( sys.p_current_segment->CurrentChapter() ) )
6199                 p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6200             b_result = true;
6201         }
6202     }
6203
6204     return b_result;
6205 }
6206
6207 void demux_sys_t::SwapButtons()
6208 {
6209 #ifndef WORDS_BIGENDIAN
6210     uint8_t button, i, j;
6211
6212     for( button = 1; button <= pci_packet.hli.hl_gi.btn_ns; button++) {
6213         btni_t *button_ptr = &(pci_packet.hli.btnit[button-1]);
6214         binary *p_data = (binary*) button_ptr;
6215
6216         uint16 i_x_start = ((p_data[0] & 0x3F) << 4 ) + ( p_data[1] >> 4 );
6217         uint16 i_x_end   = ((p_data[1] & 0x03) << 8 ) + p_data[2];
6218         uint16 i_y_start = ((p_data[3] & 0x3F) << 4 ) + ( p_data[4] >> 4 );
6219         uint16 i_y_end   = ((p_data[4] & 0x03) << 8 ) + p_data[5];
6220         button_ptr->x_start = i_x_start;
6221         button_ptr->x_end   = i_x_end;
6222         button_ptr->y_start = i_y_start;
6223         button_ptr->y_end   = i_y_end;
6224
6225     }
6226     for ( i = 0; i<3; i++ )
6227     {
6228         for ( j = 0; j<2; j++ )
6229         {
6230             pci_packet.hli.btn_colit.btn_coli[i][j] = U32_AT( &pci_packet.hli.btn_colit.btn_coli[i][j] );
6231         }
6232     }
6233 #endif
6234 }