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