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