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 the test has to be positive or not
 778     static const uint16 CMD_DVD_IF_NOT              = 0x10;
 779     // wether it's a comparison on the value or register
 780     static const uint16 CMD_DVD_TEST_VALUE          = 0x80;
 781     static const uint16 CMD_DVD_IF_GPREG_AND        = (0 << 5);
 782     static const uint16 CMD_DVD_IF_GPREG_EQUAL      = (1 << 5);
 783     static const uint16 CMD_DVD_IF_GPREG_SUP_EQUAL  = (2 << 5);
 784     static const uint16 CMD_DVD_IF_GPREG_INF        = (3 << 5);
 785
 786     static const uint16 CMD_DVD_NOP                    = 0x0000;
 787     static const uint16 CMD_DVD_GOTO_LINE              = 0x0001;
 788     static const uint16 CMD_DVD_BREAK                  = 0x0002;
 789     // Links
 790     static const uint16 CMD_DVD_NOP2                   = 0x2001;
 791     static const uint16 CMD_DVD_LINKPGCN               = 0x2004;
 792     static const uint16 CMD_DVD_LINKPGN                = 0x2006;
 793     static const uint16 CMD_DVD_LINKCN                 = 0x2007;
 794     static const uint16 CMD_DVD_JUMP_TT                = 0x3002;
 795     static const uint16 CMD_DVD_JUMPVTS_TT             = 0x3003;
 796     static const uint16 CMD_DVD_JUMPVTS_PTT            = 0x3005;
 797     static const uint16 CMD_DVD_JUMP_SS                = 0x3006;
 798     static const uint16 CMD_DVD_CALLSS_VTSM1           = 0x3008;
 799     //
 800     static const uint16 CMD_DVD_SET_HL_BTNN2           = 0x4600;
 801     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN1  = 0x4604;
 802     static const uint16 CMD_DVD_SET_STREAM             = 0x5100;
 803     static const uint16 CMD_DVD_SET_GPRMMD             = 0x5300;
 804     static const uint16 CMD_DVD_SET_HL_BTNN1           = 0x5600;
 805     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN2  = 0x5604;
 806     static const uint16 CMD_DVD_SET_HL_BTNN_LINKCN     = 0x5607;
 807     // Operations
 808     static const uint16 CMD_DVD_MOV_SPREG_PREG         = 0x6100;
 809     static const uint16 CMD_DVD_GPREG_MOV_VALUE        = 0x7100;
 810     static const uint16 CMD_DVD_SUB_GPREG              = 0x7400;
 811     static const uint16 CMD_DVD_MULT_GPREG             = 0x7500;
 812     static const uint16 CMD_DVD_GPREG_DIV_VALUE        = 0x7600;
 813     static const uint16 CMD_DVD_GPREG_AND_VALUE        = 0x7900;
 814
 815     // callbacks when browsing inside CodecPrivate
 816     static bool MatchIsDomain     ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 817     static bool MatchVTSNumber    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 818     static bool MatchTitleNumber  ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 819     static bool MatchPgcType      ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 820     static bool MatchPgcNumber    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 821     static bool MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 822     static bool MatchCellNumber   ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 823 };
 824
 825 class dvd_chapter_codec_c : public chapter_codec_cmds_c
 826 {
 827 public:
 828     dvd_chapter_codec_c( demux_sys_t & sys )
 829     :chapter_codec_cmds_c( sys, 1 )
 830     {}
 831
 832     bool Enter();
 833     bool Leave();
 834     std::string GetCodecName( bool f_for_title = false ) const;
 835     int16 GetTitleNumber();
 836 };
 837
 838 class matroska_script_interpretor_c
 839 {
 840 public:
 841     matroska_script_interpretor_c( demux_sys_t & demuxer )
 842     :sys( demuxer )
 843     {}
 844
 845     bool Interpret( const binary * p_command, size_t i_size );
 846
 847     // DVD command IDs
 848     static const std::string CMD_MS_GOTO_AND_PLAY;
 849
 850 protected:
 851     demux_sys_t  & sys;
 852 };
 853
 854 const std::string matroska_script_interpretor_c::CMD_MS_GOTO_AND_PLAY = "GotoAndPlay";
 855
 856
 857 class matroska_script_codec_c : public chapter_codec_cmds_c
 858 {
 859 public:
 860     matroska_script_codec_c( demux_sys_t & sys )
 861     :chapter_codec_cmds_c( sys, 0 )
 862     ,interpretor( sys )
 863     {}
 864
 865     bool Enter();
 866     bool Leave();
 867
 868 protected:
 869     matroska_script_interpretor_c interpretor;
 870 };
 871
 872 class chapter_translation_c
 873 {
 874 public:
 875     chapter_translation_c()
 876         :p_translated(NULL)
 877     {}
 878
 879     ~chapter_translation_c()
 880     {
 881         delete p_translated;
 882     }
 883
 884     KaxChapterTranslateID  *p_translated;
 885     unsigned int           codec_id;
 886     std::vector<uint64_t>  editions;
 887 };
 888
 889 class chapter_item_c
 890 {
 891 public:
 892     chapter_item_c()
 893     :i_start_time(0)
 894     ,i_end_time(-1)
 895     ,i_user_start_time(-1)
 896     ,i_user_end_time(-1)
 897     ,i_seekpoint_num(-1)
 898     ,b_display_seekpoint(true)
 899     ,b_user_display(false)
 900     ,psz_parent(NULL)
 901     ,b_is_leaving(false)
 902     {}
 903
 904     virtual ~chapter_item_c()
 905     {
 906         std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
 907         while ( index != codecs.end() )
 908         {
 909             delete (*index);
 910             index++;
 911         }
 912         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
 913         while ( index_ != sub_chapters.end() )
 914         {
 915             delete (*index_);
 916             index_++;
 917         }
 918     }
 919
 920     int64_t RefreshChapters( bool b_ordered, int64_t i_prev_user_time );
 921     int PublishChapters( input_title_t & title, int & i_user_chapters, int i_level = 0 );
 922     chapter_item_c * FindTimecode( mtime_t i_timecode );
 923     void Append( const chapter_item_c & edition );
 924     chapter_item_c * FindChapter( int64_t i_find_uid );
 925     virtual chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
 926                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
 927                                     const void *p_cookie,
 928                                     size_t i_cookie_size );
 929     std::string                 GetCodecName( bool f_for_title = false ) const;
 930     bool                        ParentOf( const chapter_item_c & item ) const;
 931     int16                       GetTitleNumber( ) const;
 932
 933     int64_t                     i_start_time, i_end_time;
 934     int64_t                     i_user_start_time, i_user_end_time; /* the time in the stream when an edition is ordered */
 935     std::vector<chapter_item_c*> sub_chapters;
 936     int                         i_seekpoint_num;
 937     int64_t                     i_uid;
 938     bool                        b_display_seekpoint;
 939     bool                        b_user_display;
 940     std::string                 psz_name;
 941     chapter_item_c              *psz_parent;
 942     bool                        b_is_leaving;
 943
 944     std::vector<chapter_codec_cmds_c*> codecs;
 945
 946     bool operator<( const chapter_item_c & item ) const
 947     {
 948         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) );
 949     }
 950
 951     bool Enter( bool b_do_subchapters );
 952     bool Leave( bool b_do_subchapters );
 953     bool EnterAndLeave( chapter_item_c *p_item );
 954 };
 955
 956 class chapter_edition_c : public chapter_item_c
 957 {
 958 public:
 959     chapter_edition_c()
 960     :b_ordered(false)
 961     {}
 962
 963     void RefreshChapters( );
 964     mtime_t Duration() const;
 965     std::string GetMainName() const;
 966
 967     bool                        b_ordered;
 968 };
 969
 970 class matroska_segment_c
 971 {
 972 public:
 973     matroska_segment_c( demux_sys_t & demuxer, EbmlStream & estream )
 974         :segment(NULL)
 975         ,es(estream)
 976         ,i_timescale(MKVD_TIMECODESCALE)
 977         ,i_duration(-1)
 978         ,i_start_time(0)
 979         ,i_cues_position(-1)
 980         ,i_chapters_position(-1)
 981         ,i_tags_position(-1)
 982         ,cluster(NULL)
 983         ,i_start_pos(0)
 984         ,p_segment_uid(NULL)
 985         ,p_prev_segment_uid(NULL)
 986         ,p_next_segment_uid(NULL)
 987         ,b_cues(VLC_FALSE)
 988         ,i_index(0)
 989         ,i_index_max(1024)
 990         ,psz_muxing_application(NULL)
 991         ,psz_writing_application(NULL)
 992         ,psz_segment_filename(NULL)
 993         ,psz_title(NULL)
 994         ,psz_date_utc(NULL)
 995         ,i_default_edition(0)
 996         ,sys(demuxer)
 997         ,ep(NULL)
 998         ,b_preloaded(false)
 999     {
1000         p_indexes = (mkv_index_t*)malloc( sizeof( mkv_index_t ) * i_index_max );
1001     }
1002
1003     virtual ~matroska_segment_c()
1004     {
1005         for( size_t i_track = 0; i_track < tracks.size(); i_track++ )
1006         {
1007             if( tracks[i_track]->fmt.psz_description )
1008             {
1009                 free( tracks[i_track]->fmt.psz_description );
1010             }
1011 /*            if( tracks[i_track]->psz_codec )
1012             {
1013                 free( tracks[i_track]->psz_codec );
1014             }
1015             if( tracks[i_track]->fmt.psz_language )
1016             {
1017                 free( tracks[i_track]->fmt.psz_language );
1018             }*/
1019             delete tracks[i_track];
1020         }
1021
1022         if( psz_writing_application )
1023         {
1024             free( psz_writing_application );
1025         }
1026         if( psz_muxing_application )
1027         {
1028             free( psz_muxing_application );
1029         }
1030         if( psz_segment_filename )
1031         {
1032             free( psz_segment_filename );
1033         }
1034         if( psz_title )
1035         {
1036             free( psz_title );
1037         }
1038         if( psz_date_utc )
1039         {
1040             free( psz_date_utc );
1041         }
1042         if ( p_indexes )
1043             free( p_indexes );
1044
1045         delete ep;
1046         delete p_segment_uid;
1047         delete p_prev_segment_uid;
1048         delete p_next_segment_uid;
1049
1050         std::vector<chapter_edition_c*>::iterator index = stored_editions.begin();
1051         while ( index != stored_editions.end() )
1052         {
1053             delete (*index);
1054             index++;
1055         }
1056         std::vector<chapter_translation_c*>::iterator indext = translations.begin();
1057         while ( indext != translations.end() )
1058         {
1059             delete (*indext);
1060             indext++;
1061         }
1062     }
1063
1064     KaxSegment              *segment;
1065     EbmlStream              & es;
1066
1067     /* time scale */
1068     uint64_t                i_timescale;
1069
1070     /* duration of the segment */
1071     mtime_t                 i_duration;
1072     mtime_t                 i_start_time;
1073
1074     /* all tracks */
1075     std::vector<mkv_track_t*> tracks;
1076
1077     /* from seekhead */
1078     int64_t                 i_cues_position;
1079     int64_t                 i_chapters_position;
1080     int64_t                 i_tags_position;
1081
1082     KaxCluster              *cluster;
1083     int64_t                 i_start_pos;
1084     KaxSegmentUID           *p_segment_uid;
1085     KaxPrevUID              *p_prev_segment_uid;
1086     KaxNextUID              *p_next_segment_uid;
1087
1088     vlc_bool_t              b_cues;
1089     int                     i_index;
1090     int                     i_index_max;
1091     mkv_index_t             *p_indexes;
1092
1093     /* info */
1094     char                    *psz_muxing_application;
1095     char                    *psz_writing_application;
1096     char                    *psz_segment_filename;
1097     char                    *psz_title;
1098     char                    *psz_date_utc;
1099
1100     /* !!!!! GCC 3.3 bug on Darwin !!!!! */
1101     /* when you remove this variable the compiler issues an atomicity error */
1102     /* this variable only works when using std::vector<chapter_edition_c> */
1103     std::vector<chapter_edition_c*> stored_editions;
1104     int                             i_default_edition;
1105
1106     std::vector<chapter_translation_c*> translations;
1107     std::vector<KaxSegmentFamily>  families;
1108
1109     demux_sys_t                    & sys;
1110     EbmlParser                     *ep;
1111     bool                           b_preloaded;
1112
1113     bool Preload( );
1114     bool PreloadFamily( const matroska_segment_c & segment );
1115     void ParseInfo( KaxInfo *info );
1116     void ParseChapters( KaxChapters *chapters );
1117     void ParseSeekHead( KaxSeekHead *seekhead );
1118     void ParseTracks( KaxTracks *tracks );
1119     void ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters );
1120     void ParseTrackEntry( KaxTrackEntry *m );
1121     void ParseCluster( );
1122     void IndexAppendCluster( KaxCluster *cluster );
1123     void LoadCues( );
1124     void LoadTags( );
1125     void InformationCreate( );
1126     void Seek( mtime_t i_date, mtime_t i_time_offset );
1127     int BlockGet( KaxBlock * & pp_block, uint64 & i_cuepos, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration );
1128     bool Select( mtime_t i_start_time );
1129     void UnSelect( );
1130
1131     static bool CompareSegmentUIDs( const matroska_segment_c * item_a, const matroska_segment_c * item_b );
1132 };
1133
1134 // class holding hard-linked segment together in the playback order
1135 class virtual_segment_c
1136 {
1137 public:
1138     virtual_segment_c( matroska_segment_c *p_segment )
1139         :p_editions(NULL)
1140         ,i_sys_title(0)
1141         ,i_current_segment(0)
1142         ,i_current_edition(-1)
1143         ,psz_current_chapter(NULL)
1144     {
1145         linked_segments.push_back( p_segment );
1146
1147         AppendUID( p_segment->p_segment_uid );
1148         AppendUID( p_segment->p_prev_segment_uid );
1149         AppendUID( p_segment->p_next_segment_uid );
1150     }
1151
1152     void Sort();
1153     size_t AddSegment( matroska_segment_c *p_segment );
1154     void PreloadLinked( );
1155     mtime_t Duration( ) const;
1156     void LoadCues( );
1157     void Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter );
1158
1159     inline chapter_edition_c *Edition()
1160     {
1161         if ( i_current_edition >= 0 && size_t(i_current_edition) < p_editions->size() )
1162             return (*p_editions)[i_current_edition];
1163         return NULL;
1164     }
1165
1166     matroska_segment_c * Segment() const
1167     {
1168         if ( linked_segments.size() == 0 || i_current_segment >= linked_segments.size() )
1169             return NULL;
1170         return linked_segments[i_current_segment];
1171     }
1172
1173     inline chapter_item_c *CurrentChapter() {
1174         return psz_current_chapter;
1175     }
1176
1177     bool SelectNext()
1178     {
1179         if ( i_current_segment < linked_segments.size()-1 )
1180         {
1181             i_current_segment++;
1182             return true;
1183         }
1184         return false;
1185     }
1186
1187     bool FindUID( KaxSegmentUID & uid ) const
1188     {
1189         for ( size_t i=0; i<linked_uids.size(); i++ )
1190         {
1191             if ( linked_uids[i] == uid )
1192                 return true;
1193         }
1194         return false;
1195     }
1196
1197     bool UpdateCurrentToChapter( demux_t & demux );
1198     void PrepareChapters( );
1199
1200     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
1201                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
1202                                         const void *p_cookie,
1203                                         size_t i_cookie_size );
1204     chapter_item_c *FindChapter( int64_t i_find_uid );
1205
1206     std::vector<chapter_edition_c*>  *p_editions;
1207     int                              i_sys_title;
1208
1209 protected:
1210     std::vector<matroska_segment_c*> linked_segments;
1211     std::vector<KaxSegmentUID>       linked_uids;
1212     size_t                           i_current_segment;
1213
1214     int                              i_current_edition;
1215     chapter_item_c                   *psz_current_chapter;
1216
1217     void                             AppendUID( const EbmlBinary * UID );
1218 };
1219
1220 class matroska_stream_c
1221 {
1222 public:
1223     matroska_stream_c( demux_sys_t & demuxer )
1224         :p_in(NULL)
1225         ,p_es(NULL)
1226         ,sys(demuxer)
1227     {}
1228
1229     virtual ~matroska_stream_c()
1230     {
1231         delete p_in;
1232         delete p_es;
1233     }
1234
1235     IOCallback         *p_in;
1236     EbmlStream         *p_es;
1237
1238     std::vector<matroska_segment_c*> segments;
1239
1240     demux_sys_t                      & sys;
1241 };
1242
1243 typedef struct
1244 {
1245     VLC_COMMON_MEMBERS
1246
1247     demux_t        *p_demux;
1248     vlc_mutex_t     lock;
1249
1250     vlc_bool_t      b_moved;
1251     vlc_bool_t      b_clicked;
1252     vlc_bool_t      b_key;
1253
1254 } event_thread_t;
1255
1256 class demux_sys_t
1257 {
1258 public:
1259     demux_sys_t( demux_t & demux )
1260         :demuxer(demux)
1261         ,i_pts(0)
1262         ,i_start_pts(0)
1263         ,i_chapter_time(0)
1264         ,meta(NULL)
1265         ,i_current_title(0)
1266         ,p_current_segment(NULL)
1267         ,dvd_interpretor( *this )
1268         ,f_duration(-1.0)
1269         ,b_ui_hooked(false)
1270         ,p_input(NULL)
1271         ,b_pci_packet_set(false)
1272         ,p_ev(NULL)
1273     {
1274         vlc_mutex_init( &demuxer, &lock_demuxer );
1275     }
1276
1277     virtual ~demux_sys_t()
1278     {
1279         StopUiThread();
1280         size_t i;
1281         for ( i=0; i<streams.size(); i++ )
1282             delete streams[i];
1283         for ( i=0; i<opened_segments.size(); i++ )
1284             delete opened_segments[i];
1285         for ( i=0; i<used_segments.size(); i++ )
1286             delete used_segments[i];
1287         vlc_mutex_destroy( &lock_demuxer );
1288     }
1289
1290     /* current data */
1291     demux_t                 & demuxer;
1292
1293     mtime_t                 i_pts;
1294     mtime_t                 i_start_pts;
1295     mtime_t                 i_chapter_time;
1296
1297     vlc_meta_t              *meta;
1298
1299     std::vector<input_title_t*>      titles; // matroska editions
1300     size_t                           i_current_title;
1301
1302     std::vector<matroska_stream_c*>  streams;
1303     std::vector<matroska_segment_c*> opened_segments;
1304     std::vector<virtual_segment_c*>  used_segments;
1305     virtual_segment_c                *p_current_segment;
1306
1307     dvd_command_interpretor_c        dvd_interpretor;
1308
1309     /* duration of the stream */
1310     float                   f_duration;
1311
1312     matroska_segment_c *FindSegment( const EbmlBinary & uid ) const;
1313     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
1314                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
1315                                         const void *p_cookie,
1316                                         size_t i_cookie_size,
1317                                         virtual_segment_c * & p_segment_found );
1318     chapter_item_c *FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found );
1319
1320     void PreloadFamily( const matroska_segment_c & of_segment );
1321     void PreloadLinked( matroska_segment_c *p_segment );
1322     bool PreparePlayback( virtual_segment_c *p_new_segment );
1323     matroska_stream_c *AnalyseAllSegmentsFound( EbmlStream *p_estream );
1324     void JumpTo( virtual_segment_c & p_segment, chapter_item_c * p_chapter );
1325
1326     void StartUiThread();
1327     void StopUiThread();
1328     bool b_ui_hooked;
1329     inline void SwapButtons();
1330
1331     /* for spu variables */
1332     input_thread_t *p_input;
1333     pci_t          pci_packet;
1334     bool           b_pci_packet_set;
1335     uint8_t        alpha[4];
1336     vlc_mutex_t    lock_demuxer;
1337
1338     /* event */
1339     event_thread_t *p_ev;
1340     static int EventThread( vlc_object_t *p_this );
1341     static int EventMouse( vlc_object_t *p_this, char const *psz_var,
1342                        vlc_value_t oldval, vlc_value_t newval, void *p_data );
1343     static int EventKey( vlc_object_t *p_this, char const *psz_var,
1344                      vlc_value_t oldval, vlc_value_t newval, void *p_data );
1345
1346
1347
1348 protected:
1349     virtual_segment_c *VirtualFromSegments( matroska_segment_c *p_segment ) const;
1350     bool IsUsedSegment( matroska_segment_c &p_segment ) const;
1351 };
1352
1353 static int  Demux  ( demux_t * );
1354 static int  Control( demux_t *, int, va_list );
1355 static void Seek   ( demux_t *, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter );
1356
1357 #define MKV_IS_ID( el, C ) ( EbmlId( (*el) ) == C::ClassInfos.GlobalId )
1358
1359 static char *UTF8ToStr          ( const UTFstring &u );
1360
1361 /*****************************************************************************
1362  * Open: initializes matroska demux structures
1363  *****************************************************************************/
1364 static int Open( vlc_object_t * p_this )
1365 {
1366     demux_t            *p_demux = (demux_t*)p_this;
1367     demux_sys_t        *p_sys;
1368     matroska_stream_c  *p_stream;
1369     matroska_segment_c *p_segment;
1370     uint8_t            *p_peek;
1371     std::string        s_path, s_filename;
1372     vlc_stream_io_callback *p_io_callback;
1373     EbmlStream         *p_io_stream;
1374
1375     /* peek the begining */
1376     if( stream_Peek( p_demux->s, &p_peek, 4 ) < 4 ) return VLC_EGENERIC;
1377
1378     /* is a valid file */
1379     if( p_peek[0] != 0x1a || p_peek[1] != 0x45 ||
1380         p_peek[2] != 0xdf || p_peek[3] != 0xa3 ) return VLC_EGENERIC;
1381
1382     /* Set the demux function */
1383     p_demux->pf_demux   = Demux;
1384     p_demux->pf_control = Control;
1385     p_demux->p_sys      = p_sys = new demux_sys_t( *p_demux );
1386
1387     p_io_callback = new vlc_stream_io_callback( p_demux->s );
1388     p_io_stream = new EbmlStream( *p_io_callback );
1389
1390     if( p_io_stream == NULL )
1391     {
1392         msg_Err( p_demux, "failed to create EbmlStream" );
1393         delete p_io_callback;
1394         delete p_sys;
1395         return VLC_EGENERIC;
1396     }
1397
1398     p_stream = p_sys->AnalyseAllSegmentsFound( p_io_stream );
1399     if( p_stream == NULL )
1400     {
1401         msg_Err( p_demux, "cannot find KaxSegment" );
1402         goto error;
1403     }
1404     p_sys->streams.push_back( p_stream );
1405
1406     p_stream->p_in = p_io_callback;
1407     p_stream->p_es = p_io_stream;
1408
1409     for (size_t i=0; i<p_stream->segments.size(); i++)
1410     {
1411         p_stream->segments[i]->Preload();
1412     }
1413
1414     p_segment = p_stream->segments[0];
1415     if( p_segment->cluster != NULL )
1416     {
1417         msg_Warn( p_demux, "cannot find any cluster, damaged file ?" );
1418
1419         // reset the stream reading to the first cluster of the segment used
1420         p_stream->p_in->setFilePointer( p_segment->cluster->GetElementPosition() );
1421     }
1422
1423     /* get the files from the same dir from the same family (based on p_demux->psz_path) */
1424     if (p_demux->psz_path[0] != '\0' && !strcmp(p_demux->psz_access, ""))
1425     {
1426         // assume it's a regular file
1427         // get the directory path
1428         s_path = p_demux->psz_path;
1429         if (s_path.at(s_path.length() - 1) == DIRECTORY_SEPARATOR)
1430         {
1431             s_path = s_path.substr(0,s_path.length()-1);
1432         }
1433         else
1434         {
1435             if (s_path.find_last_of(DIRECTORY_SEPARATOR) > 0)
1436             {
1437                 s_path = s_path.substr(0,s_path.find_last_of(DIRECTORY_SEPARATOR));
1438             }
1439         }
1440
1441         struct dirent *p_file_item;
1442         DIR *p_src_dir = opendir(s_path.c_str());
1443
1444         if (p_src_dir != NULL)
1445         {
1446             while ((p_file_item = (dirent *) readdir(p_src_dir)))
1447             {
1448                 if (strlen(p_file_item->d_name) > 4)
1449                 {
1450                     s_filename = s_path + DIRECTORY_SEPARATOR + p_file_item->d_name;
1451
1452                     if (!s_filename.compare(p_demux->psz_path))
1453                         continue; // don't reuse the original opened file
1454
1455 #if defined(__GNUC__) && (__GNUC__ < 3)
1456                     if (!s_filename.compare("mkv", s_filename.length() - 3, 3) ||
1457                         !s_filename.compare("mka", s_filename.length() - 3, 3))
1458 #else
1459                     if (!s_filename.compare(s_filename.length() - 3, 3, "mkv") ||
1460                         !s_filename.compare(s_filename.length() - 3, 3, "mka"))
1461 #endif
1462                     {
1463                         // test wether this file belongs to the our family
1464                         StdIOCallback *p_file_io = new StdIOCallback(s_filename.c_str(), MODE_READ);
1465                         EbmlStream *p_estream = new EbmlStream(*p_file_io);
1466
1467                         p_stream = p_sys->AnalyseAllSegmentsFound( p_estream );
1468                         if ( p_stream == NULL )
1469                         {
1470                             msg_Dbg( p_demux, "the file '%s' will not be used", s_filename.c_str() );
1471                             delete p_estream;
1472                             delete p_file_io;
1473                         }
1474                         else
1475                         {
1476                             p_stream->p_in = p_file_io;
1477                             p_stream->p_es = p_estream;
1478                             p_sys->streams.push_back( p_stream );
1479                         }
1480                     }
1481                 }
1482             }
1483             closedir( p_src_dir );
1484         }
1485     }
1486
1487     p_sys->PreloadFamily( *p_segment );
1488     p_sys->PreloadLinked( p_segment );
1489     if ( !p_sys->PreparePlayback( NULL ) )
1490     {
1491         msg_Err( p_demux, "cannot use the segment" );
1492         goto error;
1493     }
1494
1495     p_sys->StartUiThread();
1496
1497     return VLC_SUCCESS;
1498
1499 error:
1500     delete p_sys;
1501     return VLC_EGENERIC;
1502 }
1503
1504 /*****************************************************************************
1505  * Close: frees unused data
1506  *****************************************************************************/
1507 static void Close( vlc_object_t *p_this )
1508 {
1509     demux_t     *p_demux = (demux_t*)p_this;
1510     demux_sys_t *p_sys   = p_demux->p_sys;
1511
1512     delete p_sys;
1513 }
1514
1515 /*****************************************************************************
1516  * Control:
1517  *****************************************************************************/
1518 static int Control( demux_t *p_demux, int i_query, va_list args )
1519 {
1520     demux_sys_t        *p_sys = p_demux->p_sys;
1521     int64_t     *pi64;
1522     double      *pf, f;
1523     int         i_skp;
1524     size_t      i_idx;
1525
1526     vlc_meta_t **pp_meta;
1527
1528     switch( i_query )
1529     {
1530         case DEMUX_GET_META:
1531             pp_meta = (vlc_meta_t**)va_arg( args, vlc_meta_t** );
1532             *pp_meta = vlc_meta_Duplicate( p_sys->meta );
1533             return VLC_SUCCESS;
1534
1535         case DEMUX_GET_LENGTH:
1536             pi64 = (int64_t*)va_arg( args, int64_t * );
1537             if( p_sys->f_duration > 0.0 )
1538             {
1539                 *pi64 = (int64_t)(p_sys->f_duration * 1000);
1540                 return VLC_SUCCESS;
1541             }
1542             return VLC_EGENERIC;
1543
1544         case DEMUX_GET_POSITION:
1545             pf = (double*)va_arg( args, double * );
1546             if ( p_sys->f_duration > 0.0 )
1547                 *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);
1548             return VLC_SUCCESS;
1549
1550         case DEMUX_SET_POSITION:
1551             f = (double)va_arg( args, double );
1552             Seek( p_demux, -1, f, NULL );
1553             return VLC_SUCCESS;
1554
1555         case DEMUX_GET_TIME:
1556             pi64 = (int64_t*)va_arg( args, int64_t * );
1557             *pi64 = p_sys->i_pts;
1558             return VLC_SUCCESS;
1559
1560         case DEMUX_GET_TITLE_INFO:
1561             if( p_sys->titles.size() )
1562             {
1563                 input_title_t ***ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
1564                 int *pi_int    = (int*)va_arg( args, int* );
1565
1566                 *pi_int = p_sys->titles.size();
1567                 *ppp_title = (input_title_t**)malloc( sizeof( input_title_t**) * p_sys->titles.size() );
1568
1569                 for( size_t i = 0; i < p_sys->titles.size(); i++ )
1570                 {
1571                     (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->titles[i] );
1572                 }
1573
1574                 return VLC_SUCCESS;
1575             }
1576             return VLC_EGENERIC;
1577
1578         case DEMUX_SET_TITLE:
1579             /* TODO handle editions as titles */
1580             i_idx = (int)va_arg( args, int );
1581             if( i_idx < p_sys->used_segments.size() )
1582             {
1583                 p_sys->JumpTo( *p_sys->used_segments[i_idx], NULL );
1584                 return VLC_SUCCESS;
1585             }
1586             return VLC_EGENERIC;
1587
1588         case DEMUX_SET_SEEKPOINT:
1589             i_skp = (int)va_arg( args, int );
1590
1591             // TODO change the way it works with the << & >> buttons on the UI (+1/-1 instead of a number)
1592             if( p_sys->titles.size() && i_skp < p_sys->titles[p_sys->i_current_title]->i_seekpoint)
1593             {
1594                 Seek( p_demux, (int64_t)p_sys->titles[p_sys->i_current_title]->seekpoint[i_skp]->i_time_offset, -1, NULL);
1595                 p_demux->info.i_seekpoint |= INPUT_UPDATE_SEEKPOINT;
1596                 p_demux->info.i_seekpoint = i_skp;
1597                 return VLC_SUCCESS;
1598             }
1599             return VLC_EGENERIC;
1600
1601         case DEMUX_SET_TIME:
1602         case DEMUX_GET_FPS:
1603         default:
1604             return VLC_EGENERIC;
1605     }
1606 }
1607
1608 int matroska_segment_c::BlockGet( KaxBlock * & pp_block, uint64 & i_cuepos, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration )
1609 {
1610     pp_block = NULL;
1611     i_cuepos = 0;
1612     *pi_ref1  = -1;
1613     *pi_ref2  = -1;
1614
1615     for( ;; )
1616     {
1617         EbmlElement *el;
1618         int         i_level;
1619
1620         if ( ep == NULL )
1621             return VLC_EGENERIC;
1622
1623         el = ep->Get();
1624         i_level = ep->GetLevel();
1625
1626         if( el == NULL && pp_block != NULL )
1627         {
1628             /* update the index */
1629 #define idx p_indexes[i_index - 1]
1630             if( i_index > 0 && idx.i_time == -1 )
1631             {
1632                 idx.i_time        = (*pp_block).GlobalTimecode() / (mtime_t)1000;
1633                 idx.b_key         = *pi_ref1 == -1 ? VLC_TRUE : VLC_FALSE;
1634             }
1635 #undef idx
1636             return VLC_SUCCESS;
1637         }
1638
1639         if( el == NULL )
1640         {
1641             if( ep->GetLevel() > 1 )
1642             {
1643                 ep->Up();
1644                 continue;
1645             }
1646             msg_Warn( &sys.demuxer, "EOF" );
1647             return VLC_EGENERIC;
1648         }
1649
1650         /* do parsing */
1651         switch ( i_level )
1652         {
1653         case 1:
1654             if( MKV_IS_ID( el, KaxCluster ) )
1655             {
1656                 cluster = (KaxCluster*)el;
1657
1658                 /* add it to the index */
1659                 if( i_index == 0 ||
1660                     ( i_index > 0 && p_indexes[i_index - 1].i_position < (int64_t)cluster->GetElementPosition() ) )
1661                 {
1662                     IndexAppendCluster( cluster );
1663                 }
1664
1665                 // reset silent tracks
1666                 for (size_t i=0; i<tracks.size(); i++)
1667                 {
1668                     tracks[i]->b_silent = VLC_FALSE;
1669                 }
1670
1671                 ep->Down();
1672             }
1673             else if( MKV_IS_ID( el, KaxCues ) )
1674             {
1675                 msg_Warn( &sys.demuxer, "find KaxCues FIXME" );
1676                 return VLC_EGENERIC;
1677             }
1678             else
1679             {
1680                 msg_Dbg( &sys.demuxer, "unknown (%s)", typeid( el ).name() );
1681             }
1682             break;
1683         case 2:
1684             if( MKV_IS_ID( el, KaxClusterTimecode ) )
1685             {
1686                 KaxClusterTimecode &ctc = *(KaxClusterTimecode*)el;
1687
1688                 ctc.ReadData( es.I_O(), SCOPE_ALL_DATA );
1689                 cluster->InitTimecode( uint64( ctc ), i_timescale );
1690             }
1691             else if( MKV_IS_ID( el, KaxClusterSilentTracks ) )
1692             {
1693                 ep->Down();
1694             }
1695             else if( MKV_IS_ID( el, KaxBlockGroup ) )
1696             {
1697                 i_cuepos = el->GetElementPosition();
1698                 ep->Down();
1699             }
1700             break;
1701         case 3:
1702             if( MKV_IS_ID( el, KaxBlock ) )
1703             {
1704                 pp_block = (KaxBlock*)el;
1705
1706                 pp_block->ReadData( es.I_O() );
1707                 pp_block->SetParent( *cluster );
1708
1709                 ep->Keep();
1710             }
1711             else if( MKV_IS_ID( el, KaxBlockDuration ) )
1712             {
1713                 KaxBlockDuration &dur = *(KaxBlockDuration*)el;
1714
1715                 dur.ReadData( es.I_O() );
1716                 *pi_duration = uint64( dur );
1717             }
1718             else if( MKV_IS_ID( el, KaxReferenceBlock ) )
1719             {
1720                 KaxReferenceBlock &ref = *(KaxReferenceBlock*)el;
1721
1722                 ref.ReadData( es.I_O() );
1723                 if( *pi_ref1 == -1 )
1724                 {
1725                     *pi_ref1 = int64( ref );
1726                 }
1727                 else
1728                 {
1729                     *pi_ref2 = int64( ref );
1730                 }
1731             }
1732             else if( MKV_IS_ID( el, KaxClusterSilentTrackNumber ) )
1733             {
1734                 KaxClusterSilentTrackNumber &track_num = *(KaxClusterSilentTrackNumber*)el;
1735                 track_num.ReadData( es.I_O() );
1736                 // find the track
1737                 for (size_t i=0; i<tracks.size(); i++)
1738                 {
1739                     if ( tracks[i]->i_number == uint32(track_num))
1740                     {
1741                         tracks[i]->b_silent = VLC_TRUE;
1742                         break;
1743                     }
1744                 }
1745             }
1746             break;
1747         default:
1748             msg_Err( &sys.demuxer, "invalid level = %d", i_level );
1749             return VLC_EGENERIC;
1750         }
1751     }
1752 }
1753
1754 static block_t *MemToBlock( demux_t *p_demux, uint8_t *p_mem, int i_mem)
1755 {
1756     block_t *p_block;
1757     if( !(p_block = block_New( p_demux, i_mem ) ) ) return NULL;
1758     memcpy( p_block->p_buffer, p_mem, i_mem );
1759     //p_block->i_rate = p_input->stream.control.i_rate;
1760     return p_block;
1761 }
1762
1763 static void BlockDecode( demux_t *p_demux, KaxBlock *block, mtime_t i_pts,
1764                          mtime_t i_duration )
1765 {
1766     demux_sys_t        *p_sys = p_demux->p_sys;
1767     matroska_segment_c *p_segment = p_sys->p_current_segment->Segment();
1768
1769     size_t          i_track;
1770     unsigned int    i;
1771     vlc_bool_t      b;
1772
1773 #define tk  p_segment->tracks[i_track]
1774     for( i_track = 0; i_track < p_segment->tracks.size(); i_track++ )
1775     {
1776         if( tk->i_number == block->TrackNum() )
1777         {
1778             break;
1779         }
1780     }
1781
1782     if( i_track >= p_segment->tracks.size() )
1783     {
1784         msg_Err( p_demux, "invalid track number=%d", block->TrackNum() );
1785         return;
1786     }
1787     if( tk->fmt.i_cat != NAV_ES && tk->p_es == NULL )
1788     {
1789         msg_Err( p_demux, "unknown track number=%d", block->TrackNum() );
1790         return;
1791     }
1792     if( i_pts < p_sys->i_start_pts && tk->fmt.i_cat == AUDIO_ES )
1793     {
1794         return; /* discard audio packets that shouldn't be rendered */
1795     }
1796
1797     if ( tk->fmt.i_cat != NAV_ES )
1798     {
1799         es_out_Control( p_demux->out, ES_OUT_GET_ES_STATE, tk->p_es, &b );
1800
1801         if( !b )
1802         {
1803             tk->b_inited = VLC_FALSE;
1804             return;
1805         }
1806     }
1807
1808
1809     /* First send init data */
1810     if( !tk->b_inited && tk->i_data_init > 0 )
1811     {
1812         block_t *p_init;
1813
1814         msg_Dbg( p_demux, "sending header (%d bytes)", tk->i_data_init );
1815         p_init = MemToBlock( p_demux, tk->p_data_init, tk->i_data_init );
1816         if( p_init ) es_out_Send( p_demux->out, tk->p_es, p_init );
1817     }
1818     tk->b_inited = VLC_TRUE;
1819
1820
1821     for( i = 0; i < block->NumberFrames(); i++ )
1822     {
1823         block_t *p_block;
1824         DataBuffer &data = block->GetBuffer(i);
1825
1826         p_block = MemToBlock( p_demux, data.Buffer(), data.Size() );
1827
1828         if( p_block == NULL )
1829         {
1830             break;
1831         }
1832
1833 #if defined(HAVE_ZLIB_H)
1834         if( tk->i_compression_type )
1835         {
1836             p_block = block_zlib_decompress( VLC_OBJECT(p_demux), p_block );
1837         }
1838 #endif
1839
1840         if ( tk->fmt.i_cat == NAV_ES )
1841         {
1842             // TODO handle the start/stop times of this packet
1843             if ( p_sys->b_ui_hooked )
1844             {
1845                 vlc_mutex_lock( &p_sys->p_ev->lock );
1846                 memcpy( &p_sys->pci_packet, &p_block->p_buffer[1], sizeof(pci_t) );
1847                 p_sys->SwapButtons();
1848                 p_sys->b_pci_packet_set = true;
1849                 vlc_mutex_unlock( &p_sys->p_ev->lock );
1850                 block_Release( p_block );
1851             }
1852             return;
1853         }
1854         // TODO implement correct timestamping when B frames are used
1855         if( tk->fmt.i_cat != VIDEO_ES )
1856         {
1857             p_block->i_dts = p_block->i_pts = i_pts;
1858         }
1859         else
1860         {
1861             p_block->i_dts = i_pts;
1862             p_block->i_pts = 0;
1863         }
1864
1865         if( strcmp( tk->psz_codec, "S_VOBSUB" ) )
1866         {
1867             p_block->i_length = i_duration * 1000;
1868         }
1869
1870         es_out_Send( p_demux->out, tk->p_es, p_block );
1871
1872         /* use time stamp only for first block */
1873         i_pts = 0;
1874     }
1875
1876 #undef tk
1877 }
1878
1879 matroska_stream_c *demux_sys_t::AnalyseAllSegmentsFound( EbmlStream *p_estream )
1880 {
1881     int i_upper_lvl = 0;
1882     size_t i;
1883     EbmlElement *p_l0, *p_l1, *p_l2;
1884     bool b_keep_stream = false, b_keep_segment;
1885
1886     // verify the EBML Header
1887     p_l0 = p_estream->FindNextID(EbmlHead::ClassInfos, 0xFFFFFFFFL);
1888     if (p_l0 == NULL)
1889     {
1890         return NULL;
1891     }
1892     p_l0->SkipData(*p_estream, EbmlHead_Context);
1893     delete p_l0;
1894
1895     // find all segments in this file
1896     p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFL);
1897     if (p_l0 == NULL)
1898     {
1899         return NULL;
1900     }
1901
1902     matroska_stream_c *p_stream1 = new matroska_stream_c( *this );
1903
1904     while (p_l0 != 0)
1905     {
1906         if (EbmlId(*p_l0) == KaxSegment::ClassInfos.GlobalId)
1907         {
1908             EbmlParser  *ep;
1909             matroska_segment_c *p_segment1 = new matroska_segment_c( *this, *p_estream );
1910             b_keep_segment = false;
1911
1912             ep = new EbmlParser(p_estream, p_l0, &demuxer );
1913             p_segment1->ep = ep;
1914             p_segment1->segment = (KaxSegment*)p_l0;
1915
1916             while ((p_l1 = ep->Get()))
1917             {
1918                 if (MKV_IS_ID(p_l1, KaxInfo))
1919                 {
1920                     // find the families of this segment
1921                     KaxInfo *p_info = static_cast<KaxInfo*>(p_l1);
1922
1923                     p_info->Read(*p_estream, KaxInfo::ClassInfos.Context, i_upper_lvl, p_l2, true);
1924                     for( i = 0; i < p_info->ListSize(); i++ )
1925                     {
1926                         EbmlElement *l = (*p_info)[i];
1927
1928                         if( MKV_IS_ID( l, KaxSegmentUID ) )
1929                         {
1930                             KaxSegmentUID *p_uid = static_cast<KaxSegmentUID*>(l);
1931                             b_keep_segment = (FindSegment( *p_uid ) == NULL);
1932                             if ( !b_keep_segment )
1933                                 break; // this segment is already known
1934                             opened_segments.push_back( p_segment1 );
1935                             delete p_segment1->p_segment_uid;
1936                             p_segment1->p_segment_uid = new KaxSegmentUID(*p_uid);
1937                         }
1938                         else if( MKV_IS_ID( l, KaxPrevUID ) )
1939                         {
1940                             p_segment1->p_prev_segment_uid = new KaxPrevUID( *static_cast<KaxPrevUID*>(l) );
1941                         }
1942                         else if( MKV_IS_ID( l, KaxNextUID ) )
1943                         {
1944                             p_segment1->p_next_segment_uid = new KaxNextUID( *static_cast<KaxNextUID*>(l) );
1945                         }
1946                         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
1947                         {
1948                             KaxSegmentFamily *p_fam = new KaxSegmentFamily( *static_cast<KaxSegmentFamily*>(l) );
1949                             p_segment1->families.push_back( *p_fam );
1950                         }
1951                     }
1952                     break;
1953                 }
1954             }
1955             if ( b_keep_segment )
1956             {
1957                 b_keep_stream = true;
1958                 p_stream1->segments.push_back( p_segment1 );
1959             }
1960             else
1961                 delete p_segment1;
1962         }
1963
1964         p_l0->SkipData(*p_estream, EbmlHead_Context);
1965         p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFL);
1966     }
1967
1968     if ( !b_keep_stream )
1969     {
1970         delete p_stream1;
1971         p_stream1 = NULL;
1972     }
1973
1974     return p_stream1;
1975 }
1976
1977 bool matroska_segment_c::Select( mtime_t i_start_time )
1978 {
1979     size_t i_track;
1980
1981     /* add all es */
1982     msg_Dbg( &sys.demuxer, "found %d es", tracks.size() );
1983     sys.b_pci_packet_set = false;
1984
1985     for( i_track = 0; i_track < tracks.size(); i_track++ )
1986     {
1987         if( tracks[i_track]->fmt.i_cat == UNKNOWN_ES )
1988         {
1989             msg_Warn( &sys.demuxer, "invalid track[%d, n=%d]", i_track, tracks[i_track]->i_number );
1990             tracks[i_track]->p_es = NULL;
1991             continue;
1992         }
1993
1994         if( !strcmp( tracks[i_track]->psz_codec, "V_MS/VFW/FOURCC" ) )
1995         {
1996             if( tracks[i_track]->i_extra_data < (int)sizeof( BITMAPINFOHEADER ) )
1997             {
1998                 msg_Err( &sys.demuxer, "missing/invalid BITMAPINFOHEADER" );
1999                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2000             }
2001             else
2002             {
2003                 BITMAPINFOHEADER *p_bih = (BITMAPINFOHEADER*)tracks[i_track]->p_extra_data;
2004
2005                 tracks[i_track]->fmt.video.i_width = GetDWLE( &p_bih->biWidth );
2006                 tracks[i_track]->fmt.video.i_height= GetDWLE( &p_bih->biHeight );
2007                 tracks[i_track]->fmt.i_codec       = GetFOURCC( &p_bih->biCompression );
2008
2009                 tracks[i_track]->fmt.i_extra       = GetDWLE( &p_bih->biSize ) - sizeof( BITMAPINFOHEADER );
2010                 if( tracks[i_track]->fmt.i_extra > 0 )
2011                 {
2012                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2013                     memcpy( tracks[i_track]->fmt.p_extra, &p_bih[1], tracks[i_track]->fmt.i_extra );
2014                 }
2015             }
2016         }
2017         else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG1" ) ||
2018                  !strcmp( tracks[i_track]->psz_codec, "V_MPEG2" ) )
2019         {
2020             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'v' );
2021         }
2022         else if( !strncmp( tracks[i_track]->psz_codec, "V_MPEG4", 7 ) )
2023         {
2024             if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/MS/V3" ) )
2025             {
2026                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'D', 'I', 'V', '3' );
2027             }
2028             else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/ISO/AVC" ) )
2029             {
2030                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'v', 'c', '1' );
2031                 tracks[i_track]->fmt.b_packetized = VLC_FALSE;
2032                 tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2033                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2034                 memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2035             }
2036             else
2037             {
2038                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' );
2039             }
2040         }
2041         else if( !strcmp( tracks[i_track]->psz_codec, "V_QUICKTIME" ) )
2042         {
2043             MP4_Box_t *p_box = (MP4_Box_t*)malloc( sizeof( MP4_Box_t ) );
2044             stream_t *p_mp4_stream = stream_MemoryNew( VLC_OBJECT(&sys.demuxer),
2045                                                        tracks[i_track]->p_extra_data,
2046                                                        tracks[i_track]->i_extra_data,
2047                                                        VLC_FALSE );
2048             MP4_ReadBoxCommon( p_mp4_stream, p_box );
2049             MP4_ReadBox_sample_vide( p_mp4_stream, p_box );
2050             tracks[i_track]->fmt.i_codec = p_box->i_type;
2051             tracks[i_track]->fmt.video.i_width = p_box->data.p_sample_vide->i_width;
2052             tracks[i_track]->fmt.video.i_height = p_box->data.p_sample_vide->i_height;
2053             tracks[i_track]->fmt.i_extra = p_box->data.p_sample_vide->i_qt_image_description;
2054             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2055             memcpy( tracks[i_track]->fmt.p_extra, p_box->data.p_sample_vide->p_qt_image_description, tracks[i_track]->fmt.i_extra );
2056             MP4_FreeBox_sample_vide( p_box );
2057             stream_Delete( p_mp4_stream );
2058         }
2059         else if( !strcmp( tracks[i_track]->psz_codec, "A_MS/ACM" ) )
2060         {
2061             if( tracks[i_track]->i_extra_data < (int)sizeof( WAVEFORMATEX ) )
2062             {
2063                 msg_Err( &sys.demuxer, "missing/invalid WAVEFORMATEX" );
2064                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2065             }
2066             else
2067             {
2068                 WAVEFORMATEX *p_wf = (WAVEFORMATEX*)tracks[i_track]->p_extra_data;
2069
2070                 wf_tag_to_fourcc( GetWLE( &p_wf->wFormatTag ), &tracks[i_track]->fmt.i_codec, NULL );
2071
2072                 tracks[i_track]->fmt.audio.i_channels   = GetWLE( &p_wf->nChannels );
2073                 tracks[i_track]->fmt.audio.i_rate = GetDWLE( &p_wf->nSamplesPerSec );
2074                 tracks[i_track]->fmt.i_bitrate    = GetDWLE( &p_wf->nAvgBytesPerSec ) * 8;
2075                 tracks[i_track]->fmt.audio.i_blockalign = GetWLE( &p_wf->nBlockAlign );;
2076                 tracks[i_track]->fmt.audio.i_bitspersample = GetWLE( &p_wf->wBitsPerSample );
2077
2078                 tracks[i_track]->fmt.i_extra            = GetWLE( &p_wf->cbSize );
2079                 if( tracks[i_track]->fmt.i_extra > 0 )
2080                 {
2081                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2082                     memcpy( tracks[i_track]->fmt.p_extra, &p_wf[1], tracks[i_track]->fmt.i_extra );
2083                 }
2084             }
2085         }
2086         else if( !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L3" ) ||
2087                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L2" ) ||
2088                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L1" ) )
2089         {
2090             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' );
2091         }
2092         else if( !strcmp( tracks[i_track]->psz_codec, "A_AC3" ) )
2093         {
2094             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' );
2095         }
2096         else if( !strcmp( tracks[i_track]->psz_codec, "A_DTS" ) )
2097         {
2098             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'd', 't', 's', ' ' );
2099         }
2100         else if( !strcmp( tracks[i_track]->psz_codec, "A_FLAC" ) )
2101         {
2102             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'f', 'l', 'a', 'c' );
2103             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2104             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2105             memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2106         }
2107         else if( !strcmp( tracks[i_track]->psz_codec, "A_VORBIS" ) )
2108         {
2109             int i, i_offset = 1, i_size[3], i_extra;
2110             uint8_t *p_extra;
2111
2112             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'v', 'o', 'r', 'b' );
2113
2114             /* Split the 3 headers */
2115             if( tracks[i_track]->p_extra_data[0] != 0x02 )
2116                 msg_Err( &sys.demuxer, "invalid vorbis header" );
2117
2118             for( i = 0; i < 2; i++ )
2119             {
2120                 i_size[i] = 0;
2121                 while( i_offset < tracks[i_track]->i_extra_data )
2122                 {
2123                     i_size[i] += tracks[i_track]->p_extra_data[i_offset];
2124                     if( tracks[i_track]->p_extra_data[i_offset++] != 0xff ) break;
2125                 }
2126             }
2127
2128             i_size[0] = __MIN(i_size[0], tracks[i_track]->i_extra_data - i_offset);
2129             i_size[1] = __MIN(i_size[1], tracks[i_track]->i_extra_data -i_offset -i_size[0]);
2130             i_size[2] = tracks[i_track]->i_extra_data - i_offset - i_size[0] - i_size[1];
2131
2132             tracks[i_track]->fmt.i_extra = 3 * 2 + i_size[0] + i_size[1] + i_size[2];
2133             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2134             p_extra = (uint8_t *)tracks[i_track]->fmt.p_extra; i_extra = 0;
2135             for( i = 0; i < 3; i++ )
2136             {
2137                 *(p_extra++) = i_size[i] >> 8;
2138                 *(p_extra++) = i_size[i] & 0xFF;
2139                 memcpy( p_extra, tracks[i_track]->p_extra_data + i_offset + i_extra,
2140                         i_size[i] );
2141                 p_extra += i_size[i];
2142                 i_extra += i_size[i];
2143             }
2144         }
2145         else if( !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG2/", strlen( "A_AAC/MPEG2/" ) ) ||
2146                  !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG4/", strlen( "A_AAC/MPEG4/" ) ) )
2147         {
2148             int i_profile, i_srate;
2149             static unsigned int i_sample_rates[] =
2150             {
2151                     96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050,
2152                         16000, 12000, 11025, 8000,  7350,  0,     0,     0
2153             };
2154
2155             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
2156             /* create data for faad (MP4DecSpecificDescrTag)*/
2157
2158             if( !strcmp( &tracks[i_track]->psz_codec[12], "MAIN" ) )
2159             {
2160                 i_profile = 0;
2161             }
2162             else if( !strcmp( &tracks[i_track]->psz_codec[12], "LC" ) )
2163             {
2164                 i_profile = 1;
2165             }
2166             else if( !strcmp( &tracks[i_track]->psz_codec[12], "SSR" ) )
2167             {
2168                 i_profile = 2;
2169             }
2170             else
2171             {
2172                 i_profile = 3;
2173             }
2174
2175             for( i_srate = 0; i_srate < 13; i_srate++ )
2176             {
2177                 if( i_sample_rates[i_srate] == tracks[i_track]->fmt.audio.i_rate )
2178                 {
2179                     break;
2180                 }
2181             }
2182             msg_Dbg( &sys.demuxer, "profile=%d srate=%d", i_profile, i_srate );
2183
2184             tracks[i_track]->fmt.i_extra = 2;
2185             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2186             ((uint8_t*)tracks[i_track]->fmt.p_extra)[0] = ((i_profile + 1) << 3) | ((i_srate&0xe) >> 1);
2187             ((uint8_t*)tracks[i_track]->fmt.p_extra)[1] = ((i_srate & 0x1) << 7) | (tracks[i_track]->fmt.audio.i_channels << 3);
2188         }
2189         else if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) ||
2190                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/LIT" ) ||
2191                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/FLOAT/IEEE" ) )
2192         {
2193             if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) )
2194             {
2195                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
2196             }
2197             else
2198             {
2199                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
2200             }
2201             tracks[i_track]->fmt.audio.i_blockalign = ( tracks[i_track]->fmt.audio.i_bitspersample + 7 ) / 8 * tracks[i_track]->fmt.audio.i_channels;
2202         }
2203         else if( !strcmp( tracks[i_track]->psz_codec, "A_TTA1" ) )
2204         {
2205             /* FIXME: support this codec */
2206             msg_Err( &sys.demuxer, "TTA not supported yet[%d, n=%d]", i_track, tracks[i_track]->i_number );
2207             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2208         }
2209         else if( !strcmp( tracks[i_track]->psz_codec, "A_WAVPACK4" ) )
2210         {
2211             /* FIXME: support this codec */
2212             msg_Err( &sys.demuxer, "Wavpack not supported yet[%d, n=%d]", i_track, tracks[i_track]->i_number );
2213             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2214         }
2215         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/UTF8" ) )
2216         {
2217             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 'u', 'b', 't' );
2218             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2219         }
2220         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/SSA" ) ||
2221                  !strcmp( tracks[i_track]->psz_codec, "S_TEXT/ASS" ) ||
2222                  !strcmp( tracks[i_track]->psz_codec, "S_SSA" ) ||
2223                  !strcmp( tracks[i_track]->psz_codec, "S_ASS" ))
2224         {
2225             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 's', 'a', ' ' );
2226             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2227         }
2228         else if( !strcmp( tracks[i_track]->psz_codec, "S_VOBSUB" ) )
2229         {
2230             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's','p','u',' ' );
2231             if( tracks[i_track]->i_extra_data )
2232             {
2233                 char *p_start;
2234                 char *p_buf = (char *)malloc( tracks[i_track]->i_extra_data + 1);
2235                 memcpy( p_buf, tracks[i_track]->p_extra_data , tracks[i_track]->i_extra_data );
2236                 p_buf[tracks[i_track]->i_extra_data] = '\0';
2237
2238                 p_start = strstr( p_buf, "size:" );
2239                 if( sscanf( p_start, "size: %dx%d",
2240                         &tracks[i_track]->fmt.subs.spu.i_original_frame_width, &tracks[i_track]->fmt.subs.spu.i_original_frame_height ) == 2 )
2241                 {
2242                     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 );
2243                 }
2244                 else
2245                 {
2246                     msg_Warn( &sys.demuxer, "reading original frame size for vobsub failed" );
2247                 }
2248                 free( p_buf );
2249             }
2250         }
2251         else if( !strcmp( tracks[i_track]->psz_codec, "B_VOBBTN" ) )
2252         {
2253             tracks[i_track]->fmt.i_cat = NAV_ES;
2254             continue;
2255         }
2256         else
2257         {
2258             msg_Err( &sys.demuxer, "unknow codec id=`%s'", tracks[i_track]->psz_codec );
2259             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2260         }
2261         if( tracks[i_track]->b_default )
2262         {
2263             tracks[i_track]->fmt.i_priority = 1000;
2264         }
2265
2266         tracks[i_track]->p_es = es_out_Add( sys.demuxer.out, &tracks[i_track]->fmt );
2267
2268         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_start_time );
2269     }
2270
2271     sys.i_start_pts = i_start_time;
2272     // reset the stream reading to the first cluster of the segment used
2273     es.I_O().setFilePointer( i_start_pos );
2274
2275     delete ep;
2276     ep = new EbmlParser( &es, segment, &sys.demuxer );
2277
2278     return true;
2279 }
2280
2281 void demux_sys_t::StartUiThread()
2282 {
2283     if ( !b_ui_hooked )
2284     {
2285         msg_Dbg( &demuxer, "Starting the UI Hook" );
2286         b_ui_hooked = true;
2287         /* FIXME hack hack hack hack FIXME */
2288         /* Get p_input and create variable */
2289         p_input = (input_thread_t *) vlc_object_find( &demuxer, VLC_OBJECT_INPUT, FIND_PARENT );
2290         var_Create( p_input, "x-start", VLC_VAR_INTEGER );
2291         var_Create( p_input, "y-start", VLC_VAR_INTEGER );
2292         var_Create( p_input, "x-end", VLC_VAR_INTEGER );
2293         var_Create( p_input, "y-end", VLC_VAR_INTEGER );
2294         var_Create( p_input, "color", VLC_VAR_ADDRESS );
2295         var_Create( p_input, "menu-contrast", VLC_VAR_ADDRESS );
2296         var_Create( p_input, "highlight", VLC_VAR_BOOL );
2297         var_Create( p_input, "highlight-mutex", VLC_VAR_MUTEX );
2298
2299         /* Now create our event thread catcher */
2300         p_ev = (event_thread_t *) vlc_object_create( &demuxer, sizeof( event_thread_t ) );
2301         p_ev->p_demux = &demuxer;
2302         p_ev->b_die = VLC_FALSE;
2303         vlc_mutex_init( p_ev, &p_ev->lock );
2304         vlc_thread_create( p_ev, "mkv event thread handler", EventThread,
2305                         VLC_THREAD_PRIORITY_LOW, VLC_FALSE );
2306     }
2307 }
2308
2309 void demux_sys_t::StopUiThread()
2310 {
2311     if ( b_ui_hooked )
2312     {
2313         p_ev->b_die = VLC_TRUE;
2314
2315         vlc_thread_join( p_ev );
2316         vlc_object_destroy( p_ev );
2317
2318         p_ev = NULL;
2319
2320         var_Destroy( p_input, "highlight-mutex" );
2321         var_Destroy( p_input, "highlight" );
2322         var_Destroy( p_input, "x-start" );
2323         var_Destroy( p_input, "x-end" );
2324         var_Destroy( p_input, "y-start" );
2325         var_Destroy( p_input, "y-end" );
2326         var_Destroy( p_input, "color" );
2327         var_Destroy( p_input, "menu-contrast" );
2328
2329         msg_Dbg( &demuxer, "Stopping the UI Hook" );
2330     }
2331     b_ui_hooked = false;
2332 }
2333
2334 int demux_sys_t::EventMouse( vlc_object_t *p_this, char const *psz_var,
2335                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
2336 {
2337     event_thread_t *p_ev = (event_thread_t *) p_data;
2338     vlc_mutex_lock( &p_ev->lock );
2339     if( psz_var[6] == 'c' )
2340         p_ev->b_clicked = VLC_TRUE;
2341     else if( psz_var[6] == 'm' )
2342         p_ev->b_moved = VLC_TRUE;
2343     vlc_mutex_unlock( &p_ev->lock );
2344
2345     return VLC_SUCCESS;
2346 }
2347
2348 int demux_sys_t::EventKey( vlc_object_t *p_this, char const *psz_var,
2349                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
2350 {
2351     event_thread_t *p_ev = (event_thread_t *) p_data;
2352     vlc_mutex_lock( &p_ev->lock );
2353     p_ev->b_key = VLC_TRUE;
2354     vlc_mutex_unlock( &p_ev->lock );
2355
2356     return VLC_SUCCESS;
2357 }
2358
2359 int demux_sys_t::EventThread( vlc_object_t *p_this )
2360 {
2361     event_thread_t *p_ev = (event_thread_t*)p_this;
2362     demux_sys_t    *p_sys = p_ev->p_demux->p_sys;
2363     vlc_object_t   *p_vout = NULL;
2364
2365     p_ev->b_moved   = VLC_FALSE;
2366     p_ev->b_clicked = VLC_FALSE;
2367     p_ev->b_key     = VLC_FALSE;
2368
2369     /* catch all key event */
2370     var_AddCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2371
2372     /* main loop */
2373     while( !p_ev->b_die )
2374     {
2375         if ( !p_sys->b_pci_packet_set )
2376         {
2377             /* Wait 100ms */
2378             msleep( 100000 );
2379             continue;
2380         }
2381
2382         vlc_bool_t b_activated = VLC_FALSE;
2383
2384         /* KEY part */
2385         if( p_ev->b_key )
2386         {
2387             vlc_value_t valk;
2388             struct vlc_t::hotkey *p_hotkeys = p_ev->p_vlc->p_hotkeys;
2389             int i, i_action = -1;
2390
2391             vlc_mutex_lock( &p_ev->lock );
2392
2393             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2394
2395             var_Get( p_ev->p_vlc, "key-pressed", &valk );
2396             for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
2397             {
2398                 if( p_hotkeys[i].i_key == valk.i_int )
2399                 {
2400                     i_action = p_hotkeys[i].i_action;
2401                 }
2402             }
2403
2404             uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2405
2406             switch( i_action )
2407             {
2408             case ACTIONID_NAV_LEFT:
2409                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2410                 {
2411                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2412                     if ( p_button_ptr->left > 0 && p_button_ptr->left <= pci->hli.hl_gi.btn_ns )
2413                     {
2414                         i_curr_button = p_button_ptr->left;
2415                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2416                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2417                         if ( button_ptr.auto_action_mode )
2418                         {
2419                             vlc_mutex_unlock( &p_ev->lock );
2420                             vlc_mutex_lock( &p_sys->lock_demuxer );
2421
2422                             // process the button action
2423                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2424
2425                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2426                             vlc_mutex_lock( &p_ev->lock );
2427                         }
2428                     }
2429                 }
2430                 break;
2431             case ACTIONID_NAV_RIGHT:
2432                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2433                 {
2434                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2435                     if ( p_button_ptr->right > 0 && p_button_ptr->right <= pci->hli.hl_gi.btn_ns )
2436                     {
2437                         i_curr_button = p_button_ptr->right;
2438                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2439                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2440                         if ( button_ptr.auto_action_mode )
2441                         {
2442                             vlc_mutex_unlock( &p_ev->lock );
2443                             vlc_mutex_lock( &p_sys->lock_demuxer );
2444
2445                             // process the button action
2446                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2447
2448                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2449                             vlc_mutex_lock( &p_ev->lock );
2450                         }
2451                     }
2452                 }
2453                 break;
2454             case ACTIONID_NAV_UP:
2455                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2456                 {
2457                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2458                     if ( p_button_ptr->up > 0 && p_button_ptr->up <= pci->hli.hl_gi.btn_ns )
2459                     {
2460                         i_curr_button = p_button_ptr->up;
2461                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2462                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2463                         if ( button_ptr.auto_action_mode )
2464                         {
2465                             vlc_mutex_unlock( &p_ev->lock );
2466                             vlc_mutex_lock( &p_sys->lock_demuxer );
2467
2468                             // process the button action
2469                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2470
2471                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2472                             vlc_mutex_lock( &p_ev->lock );
2473                         }
2474                     }
2475                 }
2476                 break;
2477             case ACTIONID_NAV_DOWN:
2478                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2479                 {
2480                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2481                     if ( p_button_ptr->down > 0 && p_button_ptr->down <= pci->hli.hl_gi.btn_ns )
2482                     {
2483                         i_curr_button = p_button_ptr->down;
2484                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2485                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2486                         if ( button_ptr.auto_action_mode )
2487                         {
2488                             vlc_mutex_unlock( &p_ev->lock );
2489                             vlc_mutex_lock( &p_sys->lock_demuxer );
2490
2491                             // process the button action
2492                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2493
2494                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2495                             vlc_mutex_lock( &p_ev->lock );
2496                         }
2497                     }
2498                 }
2499                 break;
2500             case ACTIONID_NAV_ACTIVATE:
2501                 b_activated = VLC_TRUE;
2502
2503                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2504                 {
2505                     btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2506
2507                     vlc_mutex_unlock( &p_ev->lock );
2508                     vlc_mutex_lock( &p_sys->lock_demuxer );
2509
2510                     // process the button action
2511                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2512
2513                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2514                     vlc_mutex_lock( &p_ev->lock );
2515                 }
2516                 break;
2517             default:
2518                 break;
2519             }
2520             p_ev->b_key = VLC_FALSE;
2521             vlc_mutex_unlock( &p_ev->lock );
2522         }
2523
2524         /* MOUSE part */
2525         if( p_vout && ( p_ev->b_moved || p_ev->b_clicked ) )
2526         {
2527             vlc_value_t valx, valy;
2528
2529             vlc_mutex_lock( &p_ev->lock );
2530             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2531             var_Get( p_vout, "mouse-x", &valx );
2532             var_Get( p_vout, "mouse-y", &valy );
2533
2534             if( p_ev->b_clicked )
2535             {
2536                 int32_t button;
2537                 int32_t best,dist,d;
2538                 int32_t mx,my,dx,dy;
2539
2540                 b_activated = VLC_TRUE;
2541                 // get current button
2542                 best = 0;
2543                 dist = 0x08000000; /* >> than  (720*720)+(567*567); */
2544                 for(button = 1; button <= pci->hli.hl_gi.btn_ns; button++)
2545                 {
2546                     btni_t *button_ptr = &(pci->hli.btnit[button-1]);
2547
2548                     if((valx.i_int >= button_ptr->x_start) && (valx.i_int <= button_ptr->x_end) &&
2549                        (valy.i_int >= button_ptr->y_start) && (valy.i_int <= button_ptr->y_end))
2550                     {
2551                         mx = (button_ptr->x_start + button_ptr->x_end)/2;
2552                         my = (button_ptr->y_start + button_ptr->y_end)/2;
2553                         dx = mx - valx.i_int;
2554                         dy = my - valy.i_int;
2555                         d = (dx*dx) + (dy*dy);
2556                         /* If the mouse is within the button and the mouse is closer
2557                         * to the center of this button then it is the best choice. */
2558                         if(d < dist) {
2559                             dist = d;
2560                             best = button;
2561                         }
2562                     }
2563                 }
2564
2565                 if ( best != 0)
2566                 {
2567                     btni_t button_ptr = pci->hli.btnit[best-1];
2568                     uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2569
2570                     msg_Dbg( &p_sys->demuxer, "Clicked button %d", best );
2571                     vlc_mutex_unlock( &p_ev->lock );
2572                     vlc_mutex_lock( &p_sys->lock_demuxer );
2573
2574                     // process the button action
2575                     p_sys->dvd_interpretor.SetSPRM( 0x88, best );
2576                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2577
2578                     msg_Dbg( &p_sys->demuxer, "Processed button %d", best );
2579
2580                     // select new button
2581                     if ( best != i_curr_button )
2582                     {
2583                         vlc_value_t val;
2584
2585                         if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
2586                         {
2587                             vlc_mutex_t *p_mutex = (vlc_mutex_t *) val.p_address;
2588                             uint32_t i_palette;
2589
2590                             if(button_ptr.btn_coln != 0) {
2591                                 i_palette = pci->hli.btn_colit.btn_coli[button_ptr.btn_coln-1][1];
2592                             } else {
2593                                 i_palette = 0;
2594                             }
2595                             p_sys->alpha[0] = i_palette      & 0x0f;
2596                             p_sys->alpha[1] = (i_palette>>4) & 0x0f;
2597                             p_sys->alpha[2] = (i_palette>>8) & 0x0f;
2598                             p_sys->alpha[3] = (i_palette>>12)& 0x0f;
2599
2600                             vlc_mutex_lock( p_mutex );
2601                             val.i_int = button_ptr.x_start; var_Set( p_sys->p_input, "x-start", val );
2602                             val.i_int = button_ptr.x_end;   var_Set( p_sys->p_input, "x-end",   val );
2603                             val.i_int = button_ptr.y_start; var_Set( p_sys->p_input, "y-start", val );
2604                             val.i_int = button_ptr.y_end;   var_Set( p_sys->p_input, "y-end",   val );
2605
2606                             val.p_address = (void *)p_sys->alpha;
2607                             var_Set( p_sys->p_input, "menu-contrast", val );
2608
2609                             val.b_bool = VLC_TRUE; var_Set( p_sys->p_input, "highlight", val );
2610                             vlc_mutex_unlock( p_mutex );
2611                         }
2612                     }
2613                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2614                     vlc_mutex_lock( &p_ev->lock );
2615                 }
2616             }
2617             else if( p_ev->b_moved )
2618             {
2619 //                dvdnav_mouse_select( NULL, pci, valx.i_int, valy.i_int );
2620             }
2621
2622             p_ev->b_moved = VLC_FALSE;
2623             p_ev->b_clicked = VLC_FALSE;
2624             vlc_mutex_unlock( &p_ev->lock );
2625         }
2626
2627         /* VOUT part */
2628         if( p_vout && p_vout->b_die )
2629         {
2630             var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2631             var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2632             vlc_object_release( p_vout );
2633             p_vout = NULL;
2634         }
2635
2636         else if( p_vout == NULL )
2637         {
2638             p_vout = (vlc_object_t*) vlc_object_find( p_sys->p_input, VLC_OBJECT_VOUT,
2639                                       FIND_CHILD );
2640             if( p_vout)
2641             {
2642                 var_AddCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2643                 var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2644             }
2645         }
2646
2647         /* Wait a bit, 10ms */
2648         msleep( 10000 );
2649     }
2650
2651     /* Release callback */
2652     if( p_vout )
2653     {
2654         var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2655         var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2656         vlc_object_release( p_vout );
2657     }
2658     var_DelCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2659
2660     vlc_mutex_destroy( &p_ev->lock );
2661
2662     return VLC_SUCCESS;
2663 }
2664
2665 void matroska_segment_c::UnSelect( )
2666 {
2667     size_t i_track;
2668
2669     for( i_track = 0; i_track < tracks.size(); i_track++ )
2670     {
2671         if ( tracks[i_track]->p_es != NULL )
2672         {
2673 //            es_format_Clean( &tracks[i_track]->fmt );
2674             es_out_Del( sys.demuxer.out, tracks[i_track]->p_es );
2675             tracks[i_track]->p_es = NULL;
2676         }
2677     }
2678     delete ep;
2679     ep = NULL;
2680 }
2681
2682 void virtual_segment_c::PrepareChapters( )
2683 {
2684     if ( linked_segments.size() == 0 )
2685         return;
2686
2687     // !!! should be called only once !!!
2688     matroska_segment_c *p_segment;
2689     size_t i, j;
2690
2691     // copy editions from the first segment
2692     p_segment = linked_segments[0];
2693     p_editions = &p_segment->stored_editions;
2694
2695     for ( i=1 ; i<linked_segments.size(); i++ )
2696     {
2697         p_segment = linked_segments[i];
2698         // FIXME assume we have the same editions in all segments
2699         for (j=0; j<p_segment->stored_editions.size(); j++)
2700             (*p_editions)[j]->Append( *p_segment->stored_editions[j] );
2701     }
2702 }
2703
2704 std::string chapter_edition_c::GetMainName() const
2705 {
2706     if ( sub_chapters.size() )
2707     {
2708         return sub_chapters[0]->GetCodecName( true );
2709     }
2710     return "";
2711 }
2712
2713 int chapter_item_c::PublishChapters( input_title_t & title, int & i_user_chapters, int i_level )
2714 {
2715     // add support for meta-elements from codec like DVD Titles
2716     if ( !b_display_seekpoint || psz_name == "" )
2717     {
2718         psz_name = GetCodecName();
2719         if ( psz_name != "" )
2720             b_display_seekpoint = true;
2721     }
2722
2723     if (b_display_seekpoint)
2724     {
2725         seekpoint_t *sk = vlc_seekpoint_New();
2726
2727         sk->i_level = i_level;
2728         sk->i_time_offset = i_start_time;
2729         sk->psz_name = strdup( psz_name.c_str() );
2730
2731         // A start time of '0' is ok. A missing ChapterTime element is ok, too, because '0' is its default value.
2732         title.i_seekpoint++;
2733         title.seekpoint = (seekpoint_t**)realloc( title.seekpoint, title.i_seekpoint * sizeof( seekpoint_t* ) );
2734         title.seekpoint[title.i_seekpoint-1] = sk;
2735
2736         if ( b_user_display )
2737             i_user_chapters++;
2738     }
2739
2740     for ( size_t i=0; i<sub_chapters.size() ; i++)
2741     {
2742         sub_chapters[i]->PublishChapters( title, i_user_chapters, i_level+1 );
2743     }
2744
2745     i_seekpoint_num = i_user_chapters;
2746
2747     return i_user_chapters;
2748 }
2749
2750 bool virtual_segment_c::UpdateCurrentToChapter( demux_t & demux )
2751 {
2752     demux_sys_t & sys = *demux.p_sys;
2753     chapter_item_c *psz_curr_chapter;
2754
2755     /* update current chapter/seekpoint */
2756     if ( p_editions->size() )
2757     {
2758         /* 1st, we need to know in which chapter we are */
2759         psz_curr_chapter = (*p_editions)[i_current_edition]->FindTimecode( sys.i_pts );
2760
2761         /* we have moved to a new chapter */
2762         if (psz_curr_chapter != NULL && psz_current_chapter != psz_curr_chapter)
2763         {
2764             if ( (*p_editions)[i_current_edition]->b_ordered )
2765             {
2766                 // Leave/Enter up to the link point
2767                 if ( !psz_curr_chapter->EnterAndLeave( psz_current_chapter ) )
2768                 {
2769                     // only seek if necessary
2770                     if ( psz_current_chapter == NULL || (psz_current_chapter->i_end_time != psz_curr_chapter->i_start_time) )
2771                         Seek( demux, sys.i_pts, 0, psz_curr_chapter );
2772                     psz_current_chapter = psz_curr_chapter;
2773                 }
2774             }
2775             else if ( psz_curr_chapter->i_seekpoint_num > 0 )
2776             {
2777                 demux.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
2778                 demux.info.i_title = sys.i_current_title = i_sys_title;
2779                 demux.info.i_seekpoint = psz_curr_chapter->i_seekpoint_num - 1;
2780                 psz_current_chapter = psz_curr_chapter;
2781             }
2782             else
2783             {
2784                 psz_current_chapter = psz_curr_chapter;
2785             }
2786
2787             return true;
2788         }
2789         else if (psz_curr_chapter == NULL)
2790         {
2791             // out of the scope of the data described by chapters, leave the edition
2792             if ( (*p_editions)[i_current_edition]->b_ordered && psz_current_chapter != NULL )
2793             {
2794                 if ( !(*p_editions)[i_current_edition]->EnterAndLeave( psz_current_chapter ) )
2795                     psz_current_chapter = NULL;
2796                 else
2797                     return true;
2798             }
2799         }
2800     }
2801     return false;
2802 }
2803
2804 chapter_item_c *virtual_segment_c::BrowseCodecPrivate( unsigned int codec_id,
2805                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
2806                                     const void *p_cookie,
2807                                     size_t i_cookie_size )
2808 {
2809     // FIXME don't assume it is the first edition
2810     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
2811     if ( index != p_editions->end() )
2812     {
2813         chapter_item_c *p_result = (*index)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
2814         if ( p_result != NULL )
2815             return p_result;
2816     }
2817     return NULL;
2818 }
2819
2820 chapter_item_c *virtual_segment_c::FindChapter( int64_t i_find_uid )
2821 {
2822     // FIXME don't assume it is the first edition
2823     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
2824     if ( index != p_editions->end() )
2825     {
2826         chapter_item_c *p_result = (*index)->FindChapter( i_find_uid );
2827         if ( p_result != NULL )
2828             return p_result;
2829     }
2830     return NULL;
2831 }
2832
2833 chapter_item_c *chapter_item_c::BrowseCodecPrivate( unsigned int codec_id,
2834                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
2835                                     const void *p_cookie,
2836                                     size_t i_cookie_size )
2837 {
2838     // this chapter
2839     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2840     while ( index != codecs.end() )
2841     {
2842         if ( match( **index ,p_cookie, i_cookie_size ) )
2843             return this;
2844         index++;
2845     }
2846
2847     // sub-chapters
2848     chapter_item_c *p_result = NULL;
2849     std::vector<chapter_item_c*>::const_iterator index2 = sub_chapters.begin();
2850     while ( index2 != sub_chapters.end() )
2851     {
2852         p_result = (*index2)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
2853         if ( p_result != NULL )
2854             return p_result;
2855         index2++;
2856     }
2857
2858     return p_result;
2859 }
2860
2861 void chapter_item_c::Append( const chapter_item_c & chapter )
2862 {
2863     // we are appending content for the same chapter UID
2864     size_t i;
2865     chapter_item_c *p_chapter;
2866
2867     for ( i=0; i<chapter.sub_chapters.size(); i++ )
2868     {
2869         p_chapter = FindChapter( chapter.sub_chapters[i]->i_uid );
2870         if ( p_chapter != NULL )
2871         {
2872             p_chapter->Append( *chapter.sub_chapters[i] );
2873         }
2874         else
2875         {
2876             sub_chapters.push_back( chapter.sub_chapters[i] );
2877         }
2878     }
2879
2880     i_user_start_time = min( i_user_start_time, chapter.i_user_start_time );
2881     i_user_end_time = max( i_user_end_time, chapter.i_user_end_time );
2882 }
2883
2884 chapter_item_c * chapter_item_c::FindChapter( int64_t i_find_uid )
2885 {
2886     size_t i;
2887     chapter_item_c *p_result = NULL;
2888
2889     if ( i_uid == i_find_uid )
2890         return this;
2891
2892     for ( i=0; i<sub_chapters.size(); i++)
2893     {
2894         p_result = sub_chapters[i]->FindChapter( i_find_uid );
2895         if ( p_result != NULL )
2896             break;
2897     }
2898     return p_result;
2899 }
2900
2901 std::string chapter_item_c::GetCodecName( bool f_for_title ) const
2902 {
2903     std::string result;
2904
2905     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2906     while ( index != codecs.end() )
2907     {
2908         result = (*index)->GetCodecName( f_for_title );
2909         if ( result != "" )
2910             break;
2911         index++;
2912     }
2913
2914     return result;
2915 }
2916
2917 std::string dvd_chapter_codec_c::GetCodecName( bool f_for_title ) const
2918 {
2919     std::string result;
2920     if ( p_private_data->GetSize() >= 3)
2921     {
2922         const binary* p_data = p_private_data->GetBuffer();
2923 /*        if ( p_data[0] == MATROSKA_DVD_LEVEL_TT )
2924         {
2925             uint16_t i_title = (p_data[1] << 8) + p_data[2];
2926             char psz_str[11];
2927             sprintf( psz_str, " %d  ---", i_title );
2928             result = N_("---  DVD Title");
2929             result += psz_str;
2930         }
2931         else */ if ( p_data[0] == MATROSKA_DVD_LEVEL_LU )
2932         {
2933             char psz_str[11];
2934             sprintf( psz_str, " (%c%c)  ---", p_data[1], p_data[2] );
2935             result = N_("---  DVD Menu");
2936             result += psz_str;
2937         }
2938         else if ( p_data[0] == MATROSKA_DVD_LEVEL_SS && f_for_title )
2939         {
2940             if ( p_data[1] == 0x00 )
2941                 result = N_("First Played");
2942             else if ( p_data[1] == 0xC0 )
2943                 result = N_("Video Manager");
2944             else if ( p_data[1] == 0x80 )
2945             {
2946                 uint16_t i_title = (p_data[2] << 8) + p_data[3];
2947                 char psz_str[20];
2948                 sprintf( psz_str, " %d -----", i_title );
2949                 result = N_("----- Title");
2950                 result += psz_str;
2951             }
2952         }
2953     }
2954
2955     return result;
2956 }
2957
2958 int16 chapter_item_c::GetTitleNumber( ) const
2959 {
2960     int result = -1;
2961
2962     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2963     while ( index != codecs.end() )
2964     {
2965         result = (*index)->GetTitleNumber( );
2966         if ( result >= 0 )
2967             break;
2968         index++;
2969     }
2970
2971     return result;
2972 }
2973
2974 int16 dvd_chapter_codec_c::GetTitleNumber()
2975 {
2976     if ( p_private_data->GetSize() >= 3)
2977     {
2978         const binary* p_data = p_private_data->GetBuffer();
2979         if ( p_data[0] == MATROSKA_DVD_LEVEL_SS )
2980         {
2981             return int16( (p_data[2] << 8) + p_data[3] );
2982         }
2983     }
2984     return -1;
2985 }
2986
2987 static void Seek( demux_t *p_demux, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter )
2988 {
2989     demux_sys_t        *p_sys = p_demux->p_sys;
2990     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
2991     matroska_segment_c *p_segment = p_vsegment->Segment();
2992     mtime_t            i_time_offset = 0;
2993
2994     int         i_index;
2995
2996     msg_Dbg( p_demux, "seek request to "I64Fd" (%f%%)", i_date, f_percent );
2997     if( i_date < 0 && f_percent < 0 )
2998     {
2999         msg_Warn( p_demux, "cannot seek nowhere !" );
3000         return;
3001     }
3002     if( f_percent > 1.0 )
3003     {
3004         msg_Warn( p_demux, "cannot seek so far !" );
3005         return;
3006     }
3007
3008     /* seek without index or without date */
3009     if( f_percent >= 0 && (config_GetInt( p_demux, "mkv-seek-percent" ) || !p_segment->b_cues || i_date < 0 ))
3010     {
3011         if (p_sys->f_duration >= 0)
3012         {
3013             i_date = int64_t( f_percent * p_sys->f_duration * 1000.0 );
3014         }
3015         else
3016         {
3017             int64_t i_pos = int64_t( f_percent * stream_Size( p_demux->s ) );
3018
3019             msg_Dbg( p_demux, "inacurate way of seeking" );
3020             for( i_index = 0; i_index < p_segment->i_index; i_index++ )
3021             {
3022                 if( p_segment->p_indexes[i_index].i_position >= i_pos)
3023                 {
3024                     break;
3025                 }
3026             }
3027             if( i_index == p_segment->i_index )
3028             {
3029                 i_index--;
3030             }
3031
3032             i_date = p_segment->p_indexes[i_index].i_time;
3033
3034 #if 0
3035             if( p_segment->p_indexes[i_index].i_position < i_pos )
3036             {
3037                 EbmlElement *el;
3038
3039                 msg_Warn( p_demux, "searching for cluster, could take some time" );
3040
3041                 /* search a cluster */
3042                 while( ( el = p_sys->ep->Get() ) != NULL )
3043                 {
3044                     if( MKV_IS_ID( el, KaxCluster ) )
3045                     {
3046                         KaxCluster *cluster = (KaxCluster*)el;
3047
3048                         /* add it to the index */
3049                         p_segment->IndexAppendCluster( cluster );
3050
3051                         if( (int64_t)cluster->GetElementPosition() >= i_pos )
3052                         {
3053                             p_sys->cluster = cluster;
3054                             p_sys->ep->Down();
3055                             break;
3056                         }
3057                     }
3058                 }
3059             }
3060 #endif
3061         }
3062     }
3063
3064     p_vsegment->Seek( *p_demux, i_date, i_time_offset, psz_chapter );
3065 }
3066
3067 /*****************************************************************************
3068  * Demux: reads and demuxes data packets
3069  *****************************************************************************
3070  * Returns -1 in case of error, 0 in case of EOF, 1 otherwise
3071  *****************************************************************************/
3072 static int Demux( demux_t *p_demux)
3073 {
3074     demux_sys_t        *p_sys = p_demux->p_sys;
3075
3076     vlc_mutex_lock( &p_sys->lock_demuxer );
3077
3078     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3079     matroska_segment_c *p_segment = p_vsegment->Segment();
3080     if ( p_segment == NULL ) return 0;
3081     int                i_block_count = 0;
3082     int                i_return = 0;
3083
3084     for( ;; )
3085     {
3086         if ( p_sys->demuxer.b_die )
3087             break;
3088
3089         if( p_sys->i_pts >= p_sys->i_start_pts  )
3090             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3091             {
3092                 i_return = 1;
3093                 break;
3094             }
3095
3096         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3097         {
3098             /* nothing left to read in this ordered edition */
3099             if ( !p_vsegment->SelectNext() )
3100                 break;
3101             p_segment->UnSelect( );
3102
3103             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3104
3105             /* switch to the next segment */
3106             p_segment = p_vsegment->Segment();
3107             if ( !p_segment->Select( 0 ) )
3108             {
3109                 msg_Err( p_demux, "Failed to select new segment" );
3110                 break;
3111             }
3112             continue;
3113         }
3114
3115         KaxBlock *block;
3116         uint64 i_cuepos;
3117         int64_t i_block_duration = 0;
3118         int64_t i_block_ref1;
3119         int64_t i_block_ref2;
3120
3121         if( p_segment->BlockGet( block, i_cuepos, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
3122         {
3123             if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered )
3124             {
3125                 const chapter_item_c *p_chap = p_vsegment->CurrentChapter();
3126                 // check if there are more chapters to read
3127                 if ( p_chap != NULL )
3128                 {
3129                     /* TODO handle successive chapters with the same user_start_time/user_end_time
3130                     if ( p_chap->i_user_start_time == p_chap->i_user_start_time )
3131                         p_vsegment->SelectNext();
3132                     */
3133                     p_sys->i_pts = p_chap->i_user_end_time;
3134                     p_sys->i_pts++; // trick to avoid staying on segments with no duration and no content
3135
3136                     i_return = 1;
3137                 }
3138
3139                 break;
3140             }
3141             else
3142             {
3143                 msg_Warn( p_demux, "cannot get block EOF?" );
3144                 p_segment->UnSelect( );
3145
3146                 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3147
3148                 /* switch to the next segment */
3149                 if ( !p_vsegment->SelectNext() )
3150                     // no more segments in this stream
3151                     break;
3152                 p_segment = p_vsegment->Segment();
3153                 if ( !p_segment->Select( 0 ) )
3154                 {
3155                     msg_Err( p_demux, "Failed to select new segment" );
3156                     break;
3157                 }
3158
3159                 continue;
3160             }
3161         }
3162
3163         p_sys->i_pts = p_sys->i_chapter_time + block->GlobalTimecode() / (mtime_t) 1000;
3164
3165         if( p_sys->i_pts >= p_sys->i_start_pts  )
3166         {
3167             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pts );
3168         }
3169
3170         BlockDecode( p_demux, block, p_sys->i_pts, i_block_duration );
3171
3172         delete block;
3173         i_block_count++;
3174
3175         // TODO optimize when there is need to leave or when seeking has been called
3176         if( i_block_count > 5 )
3177         {
3178             i_return = 1;
3179             break;
3180         }
3181     }
3182
3183     vlc_mutex_unlock( &p_sys->lock_demuxer );
3184
3185     return i_return;
3186 }
3187
3188
3189
3190 /*****************************************************************************
3191  * Stream managment
3192  *****************************************************************************/
3193 vlc_stream_io_callback::vlc_stream_io_callback( stream_t *s_ )
3194 {
3195     s = s_;
3196     mb_eof = VLC_FALSE;
3197 }
3198
3199 uint32 vlc_stream_io_callback::read( void *p_buffer, size_t i_size )
3200 {
3201     if( i_size <= 0 || mb_eof )
3202     {
3203         return 0;
3204     }
3205
3206     return stream_Read( s, p_buffer, i_size );
3207 }
3208 void vlc_stream_io_callback::setFilePointer(int64_t i_offset, seek_mode mode )
3209 {
3210     int64_t i_pos;
3211
3212     switch( mode )
3213     {
3214         case seek_beginning:
3215             i_pos = i_offset;
3216             break;
3217         case seek_end:
3218             i_pos = stream_Size( s ) - i_offset;
3219             break;
3220         default:
3221             i_pos= stream_Tell( s ) + i_offset;
3222             break;
3223     }
3224
3225     if( i_pos < 0 || i_pos >= stream_Size( s ) )
3226     {
3227         mb_eof = VLC_TRUE;
3228         return;
3229     }
3230
3231     mb_eof = VLC_FALSE;
3232     if( stream_Seek( s, i_pos ) )
3233     {
3234         mb_eof = VLC_TRUE;
3235     }
3236     return;
3237 }
3238 size_t vlc_stream_io_callback::write( const void *p_buffer, size_t i_size )
3239 {
3240     return 0;
3241 }
3242 uint64 vlc_stream_io_callback::getFilePointer( void )
3243 {
3244     return stream_Tell( s );
3245 }
3246 void vlc_stream_io_callback::close( void )
3247 {
3248     return;
3249 }
3250
3251
3252 /*****************************************************************************
3253  * Ebml Stream parser
3254  *****************************************************************************/
3255 EbmlParser::EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux )
3256 {
3257     int i;
3258
3259     m_es = es;
3260     m_got = NULL;
3261     m_el[0] = el_start;
3262     mi_remain_size[0] = el_start->GetSize();
3263
3264     for( i = 1; i < 6; i++ )
3265     {
3266         m_el[i] = NULL;
3267     }
3268     mi_level = 1;
3269     mi_user_level = 1;
3270     mb_keep = VLC_FALSE;
3271     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3272 }
3273
3274 EbmlParser::~EbmlParser( void )
3275 {
3276     int i;
3277
3278     for( i = 1; i < mi_level; i++ )
3279     {
3280         if( !mb_keep )
3281         {
3282             delete m_el[i];
3283         }
3284         mb_keep = VLC_FALSE;
3285     }
3286 }
3287
3288 void EbmlParser::UnGet( uint64 i_restart_pos )
3289 {
3290     mi_user_level--;
3291     m_el[mi_level] = NULL;
3292     m_got = NULL;
3293     mb_keep = VLC_FALSE;
3294     m_es->I_O().setFilePointer( i_restart_pos, seek_beginning );
3295 }
3296
3297 void EbmlParser::Up( void )
3298 {
3299     if( mi_user_level == mi_level )
3300     {
3301         fprintf( stderr," arrrrrrrrrrrrrg Up cannot escape itself\n" );
3302     }
3303
3304     mi_user_level--;
3305 }
3306
3307 void EbmlParser::Down( void )
3308 {
3309     mi_user_level++;
3310     mi_level++;
3311 }
3312
3313 void EbmlParser::Keep( void )
3314 {
3315     mb_keep = VLC_TRUE;
3316 }
3317
3318 int EbmlParser::GetLevel( void )
3319 {
3320     return mi_user_level;
3321 }
3322
3323 void EbmlParser::Reset( demux_t *p_demux )
3324 {
3325     while ( mi_level > 0)
3326     {
3327         delete m_el[mi_level];
3328         m_el[mi_level] = NULL;
3329         mi_level--;
3330     }
3331     mi_user_level = mi_level = 1;
3332 #if LIBEBML_VERSION >= 0x000704
3333     // a little faster and cleaner
3334     m_es->I_O().setFilePointer( static_cast<KaxSegment*>(m_el[0])->GetGlobalPosition(0) );
3335 #else
3336     m_es->I_O().setFilePointer( m_el[0]->GetElementPosition() + m_el[0]->ElementSize(true) - m_el[0]->GetSize() );
3337 #endif
3338     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3339 }
3340
3341 EbmlElement *EbmlParser::Get( void )
3342 {
3343     int i_ulev = 0;
3344
3345     if( mi_user_level != mi_level )
3346     {
3347         return NULL;
3348     }
3349     if( m_got )
3350     {
3351         EbmlElement *ret = m_got;
3352         m_got = NULL;
3353
3354         return ret;
3355     }
3356
3357     if( m_el[mi_level] )
3358     {
3359         m_el[mi_level]->SkipData( *m_es, m_el[mi_level]->Generic().Context );
3360         if( !mb_keep )
3361         {
3362             delete m_el[mi_level];
3363         }
3364         mb_keep = VLC_FALSE;
3365     }
3366
3367     m_el[mi_level] = m_es->FindNextElement( m_el[mi_level - 1]->Generic().Context, i_ulev, 0xFFFFFFFFL, mb_dummy != 0, 1 );
3368 //    mi_remain_size[mi_level] = m_el[mi_level]->GetSize();
3369     if( i_ulev > 0 )
3370     {
3371         while( i_ulev > 0 )
3372         {
3373             if( mi_level == 1 )
3374             {
3375                 mi_level = 0;
3376                 return NULL;
3377             }
3378
3379             delete m_el[mi_level - 1];
3380             m_got = m_el[mi_level -1] = m_el[mi_level];
3381             m_el[mi_level] = NULL;
3382
3383             mi_level--;
3384             i_ulev--;
3385         }
3386         return NULL;
3387     }
3388     else if( m_el[mi_level] == NULL )
3389     {
3390         fprintf( stderr," m_el[mi_level] == NULL\n" );
3391     }
3392
3393     return m_el[mi_level];
3394 }
3395
3396
3397 /*****************************************************************************
3398  * Tools
3399  *  * LoadCues : load the cues element and update index
3400  *
3401  *  * LoadTags : load ... the tags element
3402  *
3403  *  * InformationCreate : create all information, load tags if present
3404  *
3405  *****************************************************************************/
3406 void matroska_segment_c::LoadCues( )
3407 {
3408     int64_t     i_sav_position = es.I_O().getFilePointer();
3409     EbmlParser  *ep;
3410     EbmlElement *el, *cues;
3411
3412     /* *** Load the cue if found *** */
3413     if( i_cues_position < 0 )
3414     {
3415         msg_Warn( &sys.demuxer, "no cues/empty cues found->seek won't be precise" );
3416
3417 //        IndexAppendCluster( cluster );
3418     }
3419
3420     vlc_bool_t b_seekable;
3421
3422     stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
3423     if( !b_seekable )
3424         return;
3425
3426     msg_Dbg( &sys.demuxer, "loading cues" );
3427     es.I_O().setFilePointer( i_cues_position, seek_beginning );
3428     cues = es.FindNextID( KaxCues::ClassInfos, 0xFFFFFFFFL);
3429
3430     if( cues == NULL )
3431     {
3432         msg_Err( &sys.demuxer, "cannot load cues (broken seekhead or file)" );
3433         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3434         return;
3435     }
3436
3437     ep = new EbmlParser( &es, cues, &sys.demuxer );
3438     while( ( el = ep->Get() ) != NULL )
3439     {
3440         if( MKV_IS_ID( el, KaxCuePoint ) )
3441         {
3442 #define idx p_indexes[i_index]
3443
3444             idx.i_track       = -1;
3445             idx.i_block_number= -1;
3446             idx.i_position    = -1;
3447             idx.i_time        = 0;
3448             idx.b_key         = VLC_TRUE;
3449
3450             ep->Down();
3451             while( ( el = ep->Get() ) != NULL )
3452             {
3453                 if( MKV_IS_ID( el, KaxCueTime ) )
3454                 {
3455                     KaxCueTime &ctime = *(KaxCueTime*)el;
3456
3457                     ctime.ReadData( es.I_O() );
3458
3459                     idx.i_time = uint64( ctime ) * i_timescale / (mtime_t)1000;
3460                 }
3461                 else if( MKV_IS_ID( el, KaxCueTrackPositions ) )
3462                 {
3463                     ep->Down();
3464                     while( ( el = ep->Get() ) != NULL )
3465                     {
3466                         if( MKV_IS_ID( el, KaxCueTrack ) )
3467                         {
3468                             KaxCueTrack &ctrack = *(KaxCueTrack*)el;
3469
3470                             ctrack.ReadData( es.I_O() );
3471                             idx.i_track = uint16( ctrack );
3472                         }
3473                         else if( MKV_IS_ID( el, KaxCueClusterPosition ) )
3474                         {
3475                             KaxCueClusterPosition &ccpos = *(KaxCueClusterPosition*)el;
3476
3477                             ccpos.ReadData( es.I_O() );
3478                             idx.i_position = segment->GetGlobalPosition( uint64( ccpos ) );
3479                         }
3480                         else if( MKV_IS_ID( el, KaxCueBlockNumber ) )
3481                         {
3482                             KaxCueBlockNumber &cbnum = *(KaxCueBlockNumber*)el;
3483
3484                             cbnum.ReadData( es.I_O() );
3485                             idx.i_block_number = uint32( cbnum );
3486                         }
3487                         else
3488                         {
3489                             msg_Dbg( &sys.demuxer, "         * Unknown (%s)", typeid(*el).name() );
3490                         }
3491                     }
3492                     ep->Up();
3493                 }
3494                 else
3495                 {
3496                     msg_Dbg( &sys.demuxer, "     * Unknown (%s)", typeid(*el).name() );
3497                 }
3498             }
3499             ep->Up();
3500
3501 #if 0
3502             msg_Dbg( &sys.demuxer, " * added time="I64Fd" pos="I64Fd
3503                      " track=%d bnum=%d", idx.i_time, idx.i_position,
3504                      idx.i_track, idx.i_block_number );
3505 #endif
3506
3507             i_index++;
3508             if( i_index >= i_index_max )
3509             {
3510                 i_index_max += 1024;
3511                 p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
3512             }
3513 #undef idx
3514         }
3515         else
3516         {
3517             msg_Dbg( &sys.demuxer, " * Unknown (%s)", typeid(*el).name() );
3518         }
3519     }
3520     delete ep;
3521     delete cues;
3522
3523     b_cues = VLC_TRUE;
3524
3525     msg_Dbg( &sys.demuxer, "loading cues done." );
3526     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3527 }
3528
3529 void matroska_segment_c::LoadTags( )
3530 {
3531     int64_t     i_sav_position = es.I_O().getFilePointer();
3532     EbmlParser  *ep;
3533     EbmlElement *el, *tags;
3534
3535     msg_Dbg( &sys.demuxer, "loading tags" );
3536     es.I_O().setFilePointer( i_tags_position, seek_beginning );
3537     tags = es.FindNextID( KaxTags::ClassInfos, 0xFFFFFFFFL);
3538
3539     if( tags == NULL )
3540     {
3541         msg_Err( &sys.demuxer, "cannot load tags (broken seekhead or file)" );
3542         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3543         return;
3544     }
3545
3546     msg_Dbg( &sys.demuxer, "Tags" );
3547     ep = new EbmlParser( &es, tags, &sys.demuxer );
3548     while( ( el = ep->Get() ) != NULL )
3549     {
3550         if( MKV_IS_ID( el, KaxTag ) )
3551         {
3552             msg_Dbg( &sys.demuxer, "+ Tag" );
3553             ep->Down();
3554             while( ( el = ep->Get() ) != NULL )
3555             {
3556                 if( MKV_IS_ID( el, KaxTagTargets ) )
3557                 {
3558                     msg_Dbg( &sys.demuxer, "|   + Targets" );
3559                     ep->Down();
3560                     while( ( el = ep->Get() ) != NULL )
3561                     {
3562                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3563                     }
3564                     ep->Up();
3565                 }
3566                 else if( MKV_IS_ID( el, KaxTagGeneral ) )
3567                 {
3568                     msg_Dbg( &sys.demuxer, "|   + General" );
3569                     ep->Down();
3570                     while( ( el = ep->Get() ) != NULL )
3571                     {
3572                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3573                     }
3574                     ep->Up();
3575                 }
3576                 else if( MKV_IS_ID( el, KaxTagGenres ) )
3577                 {
3578                     msg_Dbg( &sys.demuxer, "|   + Genres" );
3579                     ep->Down();
3580                     while( ( el = ep->Get() ) != NULL )
3581                     {
3582                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3583                     }
3584                     ep->Up();
3585                 }
3586                 else if( MKV_IS_ID( el, KaxTagAudioSpecific ) )
3587                 {
3588                     msg_Dbg( &sys.demuxer, "|   + Audio Specific" );
3589                     ep->Down();
3590                     while( ( el = ep->Get() ) != NULL )
3591                     {
3592                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3593                     }
3594                     ep->Up();
3595                 }
3596                 else if( MKV_IS_ID( el, KaxTagImageSpecific ) )
3597                 {
3598                     msg_Dbg( &sys.demuxer, "|   + Images Specific" );
3599                     ep->Down();
3600                     while( ( el = ep->Get() ) != NULL )
3601                     {
3602                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3603                     }
3604                     ep->Up();
3605                 }
3606                 else if( MKV_IS_ID( el, KaxTagMultiComment ) )
3607                 {
3608                     msg_Dbg( &sys.demuxer, "|   + Multi Comment" );
3609                 }
3610                 else if( MKV_IS_ID( el, KaxTagMultiCommercial ) )
3611                 {
3612                     msg_Dbg( &sys.demuxer, "|   + Multi Commercial" );
3613                 }
3614                 else if( MKV_IS_ID( el, KaxTagMultiDate ) )
3615                 {
3616                     msg_Dbg( &sys.demuxer, "|   + Multi Date" );
3617                 }
3618                 else if( MKV_IS_ID( el, KaxTagMultiEntity ) )
3619                 {
3620                     msg_Dbg( &sys.demuxer, "|   + Multi Entity" );
3621                 }
3622                 else if( MKV_IS_ID( el, KaxTagMultiIdentifier ) )
3623                 {
3624                     msg_Dbg( &sys.demuxer, "|   + Multi Identifier" );
3625                 }
3626                 else if( MKV_IS_ID( el, KaxTagMultiLegal ) )
3627                 {
3628                     msg_Dbg( &sys.demuxer, "|   + Multi Legal" );
3629                 }
3630                 else if( MKV_IS_ID( el, KaxTagMultiTitle ) )
3631                 {
3632                     msg_Dbg( &sys.demuxer, "|   + Multi Title" );
3633                 }
3634                 else
3635                 {
3636                     msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid( *el ).name() );
3637                 }
3638             }
3639             ep->Up();
3640         }
3641         else
3642         {
3643             msg_Dbg( &sys.demuxer, "+ Unknown (%s)", typeid( *el ).name() );
3644         }
3645     }
3646     delete ep;
3647     delete tags;
3648
3649     msg_Dbg( &sys.demuxer, "loading tags done." );
3650     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3651 }
3652
3653 /*****************************************************************************
3654  * ParseSeekHead:
3655  *****************************************************************************/
3656 void matroska_segment_c::ParseSeekHead( KaxSeekHead *seekhead )
3657 {
3658     EbmlElement *el;
3659     size_t i, j;
3660     int i_upper_level = 0;
3661
3662     msg_Dbg( &sys.demuxer, "|   + Seek head" );
3663
3664     /* Master elements */
3665     seekhead->Read( es, seekhead->Generic().Context, i_upper_level, el, true );
3666
3667     for( i = 0; i < seekhead->ListSize(); i++ )
3668     {
3669         EbmlElement *l = (*seekhead)[i];
3670
3671         if( MKV_IS_ID( l, KaxSeek ) )
3672         {
3673             EbmlMaster *sk = static_cast<EbmlMaster *>(l);
3674             EbmlId id = EbmlVoid::ClassInfos.GlobalId;
3675             int64_t i_pos = -1;
3676
3677             for( j = 0; j < sk->ListSize(); j++ )
3678             {
3679                 EbmlElement *l = (*sk)[j];
3680
3681                 if( MKV_IS_ID( l, KaxSeekID ) )
3682                 {
3683                     KaxSeekID &sid = *(KaxSeekID*)l;
3684                     id = EbmlId( sid.GetBuffer(), sid.GetSize() );
3685                 }
3686                 else if( MKV_IS_ID( l, KaxSeekPosition ) )
3687                 {
3688                     KaxSeekPosition &spos = *(KaxSeekPosition*)l;
3689                     i_pos = uint64( spos );
3690                 }
3691                 else
3692                 {
3693                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
3694                 }
3695             }
3696
3697             if( i_pos >= 0 )
3698             {
3699                 if( id == KaxCues::ClassInfos.GlobalId )
3700                 {
3701                     msg_Dbg( &sys.demuxer, "|   |   |   = cues at "I64Fd, i_pos );
3702                     i_cues_position = segment->GetGlobalPosition( i_pos );
3703                 }
3704                 else if( id == KaxChapters::ClassInfos.GlobalId )
3705                 {
3706                     msg_Dbg( &sys.demuxer, "|   |   |   = chapters at "I64Fd, i_pos );
3707                     i_chapters_position = segment->GetGlobalPosition( i_pos );
3708                 }
3709                 else if( id == KaxTags::ClassInfos.GlobalId )
3710                 {
3711                     msg_Dbg( &sys.demuxer, "|   |   |   = tags at "I64Fd, i_pos );
3712                     i_tags_position = segment->GetGlobalPosition( i_pos );
3713                 }
3714             }
3715         }
3716         else
3717         {
3718             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
3719         }
3720     }
3721 }
3722
3723 /*****************************************************************************
3724  * ParseTrackEntry:
3725  *****************************************************************************/
3726 void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
3727 {
3728     size_t i, j, k, n;
3729
3730     mkv_track_t *tk;
3731
3732     msg_Dbg( &sys.demuxer, "|   |   + Track Entry" );
3733
3734     tk = new mkv_track_t();
3735     tracks.push_back( tk );
3736
3737     /* Init the track */
3738     memset( tk, 0, sizeof( mkv_track_t ) );
3739
3740     es_format_Init( &tk->fmt, UNKNOWN_ES, 0 );
3741     tk->fmt.psz_language = strdup("English");
3742     tk->fmt.psz_description = NULL;
3743
3744     tk->b_default = VLC_TRUE;
3745     tk->b_enabled = VLC_TRUE;
3746     tk->b_silent = VLC_FALSE;
3747     tk->i_number = tracks.size() - 1;
3748     tk->i_extra_data = 0;
3749     tk->p_extra_data = NULL;
3750     tk->psz_codec = NULL;
3751     tk->i_default_duration = 0;
3752     tk->f_timecodescale = 1.0;
3753
3754     tk->b_inited = VLC_FALSE;
3755     tk->i_data_init = 0;
3756     tk->p_data_init = NULL;
3757
3758     tk->psz_codec_name = NULL;
3759     tk->psz_codec_settings = NULL;
3760     tk->psz_codec_info_url = NULL;
3761     tk->psz_codec_download_url = NULL;
3762
3763     tk->i_compression_type = MATROSKA_COMPRESSION_NONE;
3764
3765     for( i = 0; i < m->ListSize(); i++ )
3766     {
3767         EbmlElement *l = (*m)[i];
3768
3769         if( MKV_IS_ID( l, KaxTrackNumber ) )
3770         {
3771             KaxTrackNumber &tnum = *(KaxTrackNumber*)l;
3772
3773             tk->i_number = uint32( tnum );
3774             msg_Dbg( &sys.demuxer, "|   |   |   + Track Number=%u", uint32( tnum ) );
3775         }
3776         else  if( MKV_IS_ID( l, KaxTrackUID ) )
3777         {
3778             KaxTrackUID &tuid = *(KaxTrackUID*)l;
3779
3780             msg_Dbg( &sys.demuxer, "|   |   |   + Track UID=%u",  uint32( tuid ) );
3781         }
3782         else  if( MKV_IS_ID( l, KaxTrackType ) )
3783         {
3784             char *psz_type;
3785             KaxTrackType &ttype = *(KaxTrackType*)l;
3786
3787             switch( uint8(ttype) )
3788             {
3789                 case track_audio:
3790                     psz_type = "audio";
3791                     tk->fmt.i_cat = AUDIO_ES;
3792                     break;
3793                 case track_video:
3794                     psz_type = "video";
3795                     tk->fmt.i_cat = VIDEO_ES;
3796                     break;
3797                 case track_subtitle:
3798                     psz_type = "subtitle";
3799                     tk->fmt.i_cat = SPU_ES;
3800                     break;
3801                 case track_buttons:
3802                     psz_type = "buttons";
3803                     tk->fmt.i_cat = SPU_ES;
3804                     break;
3805                 default:
3806                     psz_type = "unknown";
3807                     tk->fmt.i_cat = UNKNOWN_ES;
3808                     break;
3809             }
3810
3811             msg_Dbg( &sys.demuxer, "|   |   |   + Track Type=%s", psz_type );
3812         }
3813 //        else  if( EbmlId( *l ) == KaxTrackFlagEnabled::ClassInfos.GlobalId )
3814 //        {
3815 //            KaxTrackFlagEnabled &fenb = *(KaxTrackFlagEnabled*)l;
3816
3817 //            tk->b_enabled = uint32( fenb );
3818 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Enabled=%u",
3819 //                     uint32( fenb )  );
3820 //        }
3821         else  if( MKV_IS_ID( l, KaxTrackFlagDefault ) )
3822         {
3823             KaxTrackFlagDefault &fdef = *(KaxTrackFlagDefault*)l;
3824
3825             tk->b_default = uint32( fdef );
3826             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default=%u", uint32( fdef )  );
3827         }
3828         else  if( MKV_IS_ID( l, KaxTrackFlagLacing ) )
3829         {
3830             KaxTrackFlagLacing &lac = *(KaxTrackFlagLacing*)l;
3831
3832             msg_Dbg( &sys.demuxer, "|   |   |   + Track Lacing=%d", uint32( lac ) );
3833         }
3834         else  if( MKV_IS_ID( l, KaxTrackMinCache ) )
3835         {
3836             KaxTrackMinCache &cmin = *(KaxTrackMinCache*)l;
3837
3838             msg_Dbg( &sys.demuxer, "|   |   |   + Track MinCache=%d", uint32( cmin ) );
3839         }
3840         else  if( MKV_IS_ID( l, KaxTrackMaxCache ) )
3841         {
3842             KaxTrackMaxCache &cmax = *(KaxTrackMaxCache*)l;
3843
3844             msg_Dbg( &sys.demuxer, "|   |   |   + Track MaxCache=%d", uint32( cmax ) );
3845         }
3846         else  if( MKV_IS_ID( l, KaxTrackDefaultDuration ) )
3847         {
3848             KaxTrackDefaultDuration &defd = *(KaxTrackDefaultDuration*)l;
3849
3850             tk->i_default_duration = uint64(defd);
3851             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default Duration="I64Fd, uint64(defd) );
3852         }
3853         else  if( MKV_IS_ID( l, KaxTrackTimecodeScale ) )
3854         {
3855             KaxTrackTimecodeScale &ttcs = *(KaxTrackTimecodeScale*)l;
3856
3857             tk->f_timecodescale = float( ttcs );
3858             msg_Dbg( &sys.demuxer, "|   |   |   + Track TimeCodeScale=%f", tk->f_timecodescale );
3859         }
3860         else if( MKV_IS_ID( l, KaxTrackName ) )
3861         {
3862             KaxTrackName &tname = *(KaxTrackName*)l;
3863
3864             tk->fmt.psz_description = UTF8ToStr( UTFstring( tname ) );
3865             msg_Dbg( &sys.demuxer, "|   |   |   + Track Name=%s", tk->fmt.psz_description );
3866         }
3867         else  if( MKV_IS_ID( l, KaxTrackLanguage ) )
3868         {
3869             KaxTrackLanguage &lang = *(KaxTrackLanguage*)l;
3870
3871             tk->fmt.psz_language = strdup( string( lang ).c_str() );
3872             msg_Dbg( &sys.demuxer,
3873                      "|   |   |   + Track Language=`%s'", tk->fmt.psz_language );
3874         }
3875         else  if( MKV_IS_ID( l, KaxCodecID ) )
3876         {
3877             KaxCodecID &codecid = *(KaxCodecID*)l;
3878
3879             tk->psz_codec = strdup( string( codecid ).c_str() );
3880             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecId=%s", string( codecid ).c_str() );
3881         }
3882         else  if( MKV_IS_ID( l, KaxCodecPrivate ) )
3883         {
3884             KaxCodecPrivate &cpriv = *(KaxCodecPrivate*)l;
3885
3886             tk->i_extra_data = cpriv.GetSize();
3887             if( tk->i_extra_data > 0 )
3888             {
3889                 tk->p_extra_data = (uint8_t*)malloc( tk->i_extra_data );
3890                 memcpy( tk->p_extra_data, cpriv.GetBuffer(), tk->i_extra_data );
3891             }
3892             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecPrivate size="I64Fd, cpriv.GetSize() );
3893         }
3894         else if( MKV_IS_ID( l, KaxCodecName ) )
3895         {
3896             KaxCodecName &cname = *(KaxCodecName*)l;
3897
3898             tk->psz_codec_name = UTF8ToStr( UTFstring( cname ) );
3899             msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Name=%s", tk->psz_codec_name );
3900         }
3901         else if( MKV_IS_ID( l, KaxContentEncodings ) )
3902         {
3903             EbmlMaster *cencs = static_cast<EbmlMaster*>(l);
3904             MkvTree( sys.demuxer, 3, "Content Encodings" );
3905             for( j = 0; j < cencs->ListSize(); j++ )
3906             {
3907                 EbmlElement *l2 = (*cencs)[j];
3908                 if( MKV_IS_ID( l2, KaxContentEncoding ) )
3909                 {
3910                     MkvTree( sys.demuxer, 4, "Content Encoding" );
3911                     EbmlMaster *cenc = static_cast<EbmlMaster*>(l2);
3912                     for( k = 0; k < cenc->ListSize(); k++ )
3913                     {
3914                         EbmlElement *l3 = (*cenc)[k];
3915                         if( MKV_IS_ID( l3, KaxContentEncodingOrder ) )
3916                         {
3917                             KaxContentEncodingOrder &encord = *(KaxContentEncodingOrder*)l3;
3918                             MkvTree( sys.demuxer, 5, "Order: %i", uint32( encord ) );
3919                         }
3920                         else if( MKV_IS_ID( l3, KaxContentEncodingScope ) )
3921                         {
3922                             KaxContentEncodingScope &encscope = *(KaxContentEncodingScope*)l3;
3923                             MkvTree( sys.demuxer, 5, "Scope: %i", uint32( encscope ) );
3924                         }
3925                         else if( MKV_IS_ID( l3, KaxContentEncodingType ) )
3926                         {
3927                             KaxContentEncodingType &enctype = *(KaxContentEncodingType*)l3;
3928                             MkvTree( sys.demuxer, 5, "Type: %i", uint32( enctype ) );
3929                         }
3930                         else if( MKV_IS_ID( l3, KaxContentCompression ) )
3931                         {
3932                             EbmlMaster *compr = static_cast<EbmlMaster*>(l3);
3933                             MkvTree( sys.demuxer, 5, "Content Compression" );
3934                             for( n = 0; n < compr->ListSize(); n++ )
3935                             {
3936                                 EbmlElement *l4 = (*compr)[n];
3937                                 if( MKV_IS_ID( l4, KaxContentCompAlgo ) )
3938                                 {
3939                                     KaxContentCompAlgo &compalg = *(KaxContentCompAlgo*)l4;
3940                                     MkvTree( sys.demuxer, 6, "Compression Algorithm: %i", uint32(compalg) );
3941                                     if( uint32( compalg ) == 0 )
3942                                     {
3943                                         tk->i_compression_type = MATROSKA_COMPRESSION_ZLIB;
3944                                     }
3945                                 }
3946                                 else
3947                                 {
3948                                     MkvTree( sys.demuxer, 6, "Unknown (%s)", typeid(*l4).name() );
3949                                 }
3950                             }
3951                         }
3952
3953                         else
3954                         {
3955                             MkvTree( sys.demuxer, 5, "Unknown (%s)", typeid(*l3).name() );
3956                         }
3957                     }
3958
3959                 }
3960                 else
3961                 {
3962                     MkvTree( sys.demuxer, 4, "Unknown (%s)", typeid(*l2).name() );
3963                 }
3964             }
3965
3966         }
3967 //        else if( EbmlId( *l ) == KaxCodecSettings::ClassInfos.GlobalId )
3968 //        {
3969 //            KaxCodecSettings &cset = *(KaxCodecSettings*)l;
3970
3971 //            tk->psz_codec_settings = UTF8ToStr( UTFstring( cset ) );
3972 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Settings=%s", tk->psz_codec_settings );
3973 //        }
3974 //        else if( EbmlId( *l ) == KaxCodecInfoURL::ClassInfos.GlobalId )
3975 //        {
3976 //            KaxCodecInfoURL &ciurl = *(KaxCodecInfoURL*)l;
3977
3978 //            tk->psz_codec_info_url = strdup( string( ciurl ).c_str() );
3979 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_info_url );
3980 //        }
3981 //        else if( EbmlId( *l ) == KaxCodecDownloadURL::ClassInfos.GlobalId )
3982 //        {
3983 //            KaxCodecDownloadURL &cdurl = *(KaxCodecDownloadURL*)l;
3984
3985 //            tk->psz_codec_download_url = strdup( string( cdurl ).c_str() );
3986 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_download_url );
3987 //        }
3988 //        else if( EbmlId( *l ) == KaxCodecDecodeAll::ClassInfos.GlobalId )
3989 //        {
3990 //            KaxCodecDecodeAll &cdall = *(KaxCodecDecodeAll*)l;
3991
3992 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Decode All=%u <== UNUSED", uint8( cdall ) );
3993 //        }
3994 //        else if( EbmlId( *l ) == KaxTrackOverlay::ClassInfos.GlobalId )
3995 //        {
3996 //            KaxTrackOverlay &tovr = *(KaxTrackOverlay*)l;
3997
3998 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Overlay=%u <== UNUSED", uint32( tovr ) );
3999 //        }
4000         else  if( MKV_IS_ID( l, KaxTrackVideo ) )
4001         {
4002             EbmlMaster *tkv = static_cast<EbmlMaster*>(l);
4003             unsigned int j;
4004
4005             msg_Dbg( &sys.demuxer, "|   |   |   + Track Video" );
4006             tk->f_fps = 0.0;
4007
4008             for( j = 0; j < tkv->ListSize(); j++ )
4009             {
4010                 EbmlElement *l = (*tkv)[j];
4011 //                if( EbmlId( *el4 ) == KaxVideoFlagInterlaced::ClassInfos.GlobalId )
4012 //                {
4013 //                    KaxVideoFlagInterlaced &fint = *(KaxVideoFlagInterlaced*)el4;
4014
4015 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Interlaced=%u", uint8( fint ) );
4016 //                }
4017 //                else if( EbmlId( *el4 ) == KaxVideoStereoMode::ClassInfos.GlobalId )
4018 //                {
4019 //                    KaxVideoStereoMode &stereo = *(KaxVideoStereoMode*)el4;
4020
4021 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Stereo Mode=%u", uint8( stereo ) );
4022 //                }
4023 //                else
4024                 if( MKV_IS_ID( l, KaxVideoPixelWidth ) )
4025                 {
4026                     KaxVideoPixelWidth &vwidth = *(KaxVideoPixelWidth*)l;
4027
4028                     tk->fmt.video.i_width = uint16( vwidth );
4029                     msg_Dbg( &sys.demuxer, "|   |   |   |   + width=%d", uint16( vwidth ) );
4030                 }
4031                 else if( MKV_IS_ID( l, KaxVideoPixelHeight ) )
4032                 {
4033                     KaxVideoPixelWidth &vheight = *(KaxVideoPixelWidth*)l;
4034
4035                     tk->fmt.video.i_height = uint16( vheight );
4036                     msg_Dbg( &sys.demuxer, "|   |   |   |   + height=%d", uint16( vheight ) );
4037                 }
4038                 else if( MKV_IS_ID( l, KaxVideoDisplayWidth ) )
4039                 {
4040                     KaxVideoDisplayWidth &vwidth = *(KaxVideoDisplayWidth*)l;
4041
4042                     tk->fmt.video.i_visible_width = uint16( vwidth );
4043                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display width=%d", uint16( vwidth ) );
4044                 }
4045                 else if( MKV_IS_ID( l, KaxVideoDisplayHeight ) )
4046                 {
4047                     KaxVideoDisplayWidth &vheight = *(KaxVideoDisplayWidth*)l;
4048
4049                     tk->fmt.video.i_visible_height = uint16( vheight );
4050                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display height=%d", uint16( vheight ) );
4051                 }
4052                 else if( MKV_IS_ID( l, KaxVideoFrameRate ) )
4053                 {
4054                     KaxVideoFrameRate &vfps = *(KaxVideoFrameRate*)l;
4055
4056                     tk->f_fps = float( vfps );
4057                     msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( vfps ) );
4058                 }
4059 //                else if( EbmlId( *l ) == KaxVideoDisplayUnit::ClassInfos.GlobalId )
4060 //                {
4061 //                     KaxVideoDisplayUnit &vdmode = *(KaxVideoDisplayUnit*)l;
4062
4063 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Display Unit=%s",
4064 //                             uint8( vdmode ) == 0 ? "pixels" : ( uint8( vdmode ) == 1 ? "centimeters": "inches" ) );
4065 //                }
4066 //                else if( EbmlId( *l ) == KaxVideoAspectRatio::ClassInfos.GlobalId )
4067 //                {
4068 //                    KaxVideoAspectRatio &ratio = *(KaxVideoAspectRatio*)l;
4069
4070 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + Track Video Aspect Ratio Type=%u", uint8( ratio ) );
4071 //                }
4072 //                else if( EbmlId( *l ) == KaxVideoGamma::ClassInfos.GlobalId )
4073 //                {
4074 //                    KaxVideoGamma &gamma = *(KaxVideoGamma*)l;
4075
4076 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( gamma ) );
4077 //                }
4078                 else
4079                 {
4080                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4081                 }
4082             }
4083             if ( tk->fmt.video.i_visible_height && tk->fmt.video.i_visible_width )
4084                 tk->fmt.video.i_aspect = VOUT_ASPECT_FACTOR * tk->fmt.video.i_visible_width / tk->fmt.video.i_visible_height;
4085         }
4086         else  if( MKV_IS_ID( l, KaxTrackAudio ) )
4087         {
4088             EbmlMaster *tka = static_cast<EbmlMaster*>(l);
4089             unsigned int j;
4090
4091             msg_Dbg( &sys.demuxer, "|   |   |   + Track Audio" );
4092
4093             for( j = 0; j < tka->ListSize(); j++ )
4094             {
4095                 EbmlElement *l = (*tka)[j];
4096
4097                 if( MKV_IS_ID( l, KaxAudioSamplingFreq ) )
4098                 {
4099                     KaxAudioSamplingFreq &afreq = *(KaxAudioSamplingFreq*)l;
4100
4101                     tk->fmt.audio.i_rate = (int)float( afreq );
4102                     msg_Dbg( &sys.demuxer, "|   |   |   |   + afreq=%d", tk->fmt.audio.i_rate );
4103                 }
4104                 else if( MKV_IS_ID( l, KaxAudioChannels ) )
4105                 {
4106                     KaxAudioChannels &achan = *(KaxAudioChannels*)l;
4107
4108                     tk->fmt.audio.i_channels = uint8( achan );
4109                     msg_Dbg( &sys.demuxer, "|   |   |   |   + achan=%u", uint8( achan ) );
4110                 }
4111                 else if( MKV_IS_ID( l, KaxAudioBitDepth ) )
4112                 {
4113                     KaxAudioBitDepth &abits = *(KaxAudioBitDepth*)l;
4114
4115                     tk->fmt.audio.i_bitspersample = uint8( abits );
4116                     msg_Dbg( &sys.demuxer, "|   |   |   |   + abits=%u", uint8( abits ) );
4117                 }
4118                 else
4119                 {
4120                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4121                 }
4122             }
4123         }
4124         else
4125         {
4126             msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)",
4127                      typeid(*l).name() );
4128         }
4129     }
4130 }
4131
4132 /*****************************************************************************
4133  * ParseTracks:
4134  *****************************************************************************/
4135 void matroska_segment_c::ParseTracks( KaxTracks *tracks )
4136 {
4137     EbmlElement *el;
4138     unsigned int i;
4139     int i_upper_level = 0;
4140
4141     msg_Dbg( &sys.demuxer, "|   + Tracks" );
4142
4143     /* Master elements */
4144     tracks->Read( es, tracks->Generic().Context, i_upper_level, el, true );
4145
4146     for( i = 0; i < tracks->ListSize(); i++ )
4147     {
4148         EbmlElement *l = (*tracks)[i];
4149
4150         if( MKV_IS_ID( l, KaxTrackEntry ) )
4151         {
4152             ParseTrackEntry( static_cast<KaxTrackEntry *>(l) );
4153         }
4154         else
4155         {
4156             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4157         }
4158     }
4159 }
4160
4161 /*****************************************************************************
4162  * ParseInfo:
4163  *****************************************************************************/
4164 void matroska_segment_c::ParseInfo( KaxInfo *info )
4165 {
4166     EbmlElement *el;
4167     EbmlMaster  *m;
4168     size_t i, j;
4169     int i_upper_level = 0;
4170
4171     msg_Dbg( &sys.demuxer, "|   + Information" );
4172
4173     /* Master elements */
4174     m = static_cast<EbmlMaster *>(info);
4175     m->Read( es, info->Generic().Context, i_upper_level, el, true );
4176
4177     for( i = 0; i < m->ListSize(); i++ )
4178     {
4179         EbmlElement *l = (*m)[i];
4180
4181         if( MKV_IS_ID( l, KaxSegmentUID ) )
4182         {
4183             p_segment_uid = new KaxSegmentUID(*static_cast<KaxSegmentUID*>(l));
4184
4185             msg_Dbg( &sys.demuxer, "|   |   + UID=%d", *(uint32*)p_segment_uid->GetBuffer() );
4186         }
4187         else if( MKV_IS_ID( l, KaxPrevUID ) )
4188         {
4189             p_prev_segment_uid = new KaxPrevUID(*static_cast<KaxPrevUID*>(l));
4190
4191             msg_Dbg( &sys.demuxer, "|   |   + PrevUID=%d", *(uint32*)p_prev_segment_uid->GetBuffer() );
4192         }
4193         else if( MKV_IS_ID( l, KaxNextUID ) )
4194         {
4195             p_next_segment_uid = new KaxNextUID(*static_cast<KaxNextUID*>(l));
4196
4197             msg_Dbg( &sys.demuxer, "|   |   + NextUID=%d", *(uint32*)p_next_segment_uid->GetBuffer() );
4198         }
4199         else if( MKV_IS_ID( l, KaxTimecodeScale ) )
4200         {
4201             KaxTimecodeScale &tcs = *(KaxTimecodeScale*)l;
4202
4203             i_timescale = uint64(tcs);
4204
4205             msg_Dbg( &sys.demuxer, "|   |   + TimecodeScale="I64Fd,
4206                      i_timescale );
4207         }
4208         else if( MKV_IS_ID( l, KaxDuration ) )
4209         {
4210             KaxDuration &dur = *(KaxDuration*)l;
4211
4212             i_duration = mtime_t( double( dur ) );
4213
4214             msg_Dbg( &sys.demuxer, "|   |   + Duration="I64Fd,
4215                      i_duration );
4216         }
4217         else if( MKV_IS_ID( l, KaxMuxingApp ) )
4218         {
4219             KaxMuxingApp &mapp = *(KaxMuxingApp*)l;
4220
4221             psz_muxing_application = UTF8ToStr( UTFstring( mapp ) );
4222
4223             msg_Dbg( &sys.demuxer, "|   |   + Muxing Application=%s",
4224                      psz_muxing_application );
4225         }
4226         else if( MKV_IS_ID( l, KaxWritingApp ) )
4227         {
4228             KaxWritingApp &wapp = *(KaxWritingApp*)l;
4229
4230             psz_writing_application = UTF8ToStr( UTFstring( wapp ) );
4231
4232             msg_Dbg( &sys.demuxer, "|   |   + Writing Application=%s",
4233                      psz_writing_application );
4234         }
4235         else if( MKV_IS_ID( l, KaxSegmentFilename ) )
4236         {
4237             KaxSegmentFilename &sfn = *(KaxSegmentFilename*)l;
4238
4239             psz_segment_filename = UTF8ToStr( UTFstring( sfn ) );
4240
4241             msg_Dbg( &sys.demuxer, "|   |   + Segment Filename=%s",
4242                      psz_segment_filename );
4243         }
4244         else if( MKV_IS_ID( l, KaxTitle ) )
4245         {
4246             KaxTitle &title = *(KaxTitle*)l;
4247
4248             psz_title = UTF8ToStr( UTFstring( title ) );
4249
4250             msg_Dbg( &sys.demuxer, "|   |   + Title=%s", psz_title );
4251         }
4252         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
4253         {
4254             KaxSegmentFamily *uid = static_cast<KaxSegmentFamily*>(l);
4255
4256             families.push_back(*uid);
4257
4258             msg_Dbg( &sys.demuxer, "|   |   + family=%d", *(uint32*)uid->GetBuffer() );
4259         }
4260 #if defined( HAVE_GMTIME_R ) && !defined( SYS_DARWIN )
4261         else if( MKV_IS_ID( l, KaxDateUTC ) )
4262         {
4263             KaxDateUTC &date = *(KaxDateUTC*)l;
4264             time_t i_date;
4265             struct tm tmres;
4266             char   buffer[256];
4267
4268             i_date = date.GetEpochDate();
4269             memset( buffer, 0, 256 );
4270             if( gmtime_r( &i_date, &tmres ) &&
4271                 asctime_r( &tmres, buffer ) )
4272             {
4273                 buffer[strlen( buffer)-1]= '\0';
4274                 psz_date_utc = strdup( buffer );
4275                 msg_Dbg( &sys.demuxer, "|   |   + Date=%s", psz_date_utc );
4276             }
4277         }
4278 #endif
4279 #if LIBMATROSKA_VERSION >= 0x000704
4280         else if( MKV_IS_ID( l, KaxChapterTranslate ) )
4281         {
4282             KaxChapterTranslate *p_trans = static_cast<KaxChapterTranslate*>( l );
4283             chapter_translation_c *p_translate = new chapter_translation_c();
4284
4285             p_trans->Read( es, p_trans->Generic().Context, i_upper_level, el, true );
4286             for( j = 0; j < p_trans->ListSize(); j++ )
4287             {
4288                 EbmlElement *l = (*p_trans)[j];
4289
4290                 if( MKV_IS_ID( l, KaxChapterTranslateEditionUID ) )
4291                 {
4292                     p_translate->editions.push_back( uint64( *static_cast<KaxChapterTranslateEditionUID*>( l ) ) );
4293                 }
4294                 else if( MKV_IS_ID( l, KaxChapterTranslateCodec ) )
4295                 {
4296                     p_translate->codec_id = uint32( *static_cast<KaxChapterTranslateCodec*>( l ) );
4297                 }
4298                 else if( MKV_IS_ID( l, KaxChapterTranslateID ) )
4299                 {
4300                     p_translate->p_translated = new KaxChapterTranslateID( *static_cast<KaxChapterTranslateID*>( l ) );
4301                 }
4302             }
4303
4304             translations.push_back( p_translate );
4305         }
4306 #endif
4307         else
4308         {
4309             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4310         }
4311     }
4312
4313     double f_dur = double(i_duration) * double(i_timescale) / 1000000.0;
4314     i_duration = mtime_t(f_dur);
4315 }
4316
4317
4318 /*****************************************************************************
4319  * ParseChapterAtom
4320  *****************************************************************************/
4321 void matroska_segment_c::ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters )
4322 {
4323     size_t i, j;
4324
4325     msg_Dbg( &sys.demuxer, "|   |   |   + ChapterAtom (level=%d)", i_level );
4326     for( i = 0; i < ca->ListSize(); i++ )
4327     {
4328         EbmlElement *l = (*ca)[i];
4329
4330         if( MKV_IS_ID( l, KaxChapterUID ) )
4331         {
4332             chapters.i_uid = uint64_t(*(KaxChapterUID*)l);
4333             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterUID: %lld", chapters.i_uid );
4334         }
4335         else if( MKV_IS_ID( l, KaxChapterFlagHidden ) )
4336         {
4337             KaxChapterFlagHidden &flag =*(KaxChapterFlagHidden*)l;
4338             chapters.b_display_seekpoint = uint8( flag ) == 0;
4339
4340             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterFlagHidden: %s", chapters.b_display_seekpoint ? "no":"yes" );
4341         }
4342         else if( MKV_IS_ID( l, KaxChapterTimeStart ) )
4343         {
4344             KaxChapterTimeStart &start =*(KaxChapterTimeStart*)l;
4345             chapters.i_start_time = uint64( start ) / I64C(1000);
4346
4347             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeStart: %lld", chapters.i_start_time );
4348         }
4349         else if( MKV_IS_ID( l, KaxChapterTimeEnd ) )
4350         {
4351             KaxChapterTimeEnd &end =*(KaxChapterTimeEnd*)l;
4352             chapters.i_end_time = uint64( end ) / I64C(1000);
4353
4354             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeEnd: %lld", chapters.i_end_time );
4355         }
4356         else if( MKV_IS_ID( l, KaxChapterDisplay ) )
4357         {
4358             EbmlMaster *cd = static_cast<EbmlMaster *>(l);
4359
4360             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterDisplay" );
4361             for( j = 0; j < cd->ListSize(); j++ )
4362             {
4363                 EbmlElement *l= (*cd)[j];
4364
4365                 if( MKV_IS_ID( l, KaxChapterString ) )
4366                 {
4367                     int k;
4368
4369                     KaxChapterString &name =*(KaxChapterString*)l;
4370                     for (k = 0; k < i_level; k++)
4371                         chapters.psz_name += '+';
4372                     chapters.psz_name += ' ';
4373                     chapters.psz_name += UTF8ToStr( UTFstring( name ) );
4374                     chapters.b_user_display = true;
4375
4376                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterString '%s'", UTF8ToStr(UTFstring(name)) );
4377                 }
4378                 else if( MKV_IS_ID( l, KaxChapterLanguage ) )
4379                 {
4380                     KaxChapterLanguage &lang =*(KaxChapterLanguage*)l;
4381                     const char *psz = string( lang ).c_str();
4382
4383                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterLanguage '%s'", psz );
4384                 }
4385                 else if( MKV_IS_ID( l, KaxChapterCountry ) )
4386                 {
4387                     KaxChapterCountry &ct =*(KaxChapterCountry*)l;
4388                     const char *psz = string( ct ).c_str();
4389
4390                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterCountry '%s'", psz );
4391                 }
4392             }
4393         }
4394         else if( MKV_IS_ID( l, KaxChapterProcess ) )
4395         {
4396             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterProcess" );
4397
4398             KaxChapterProcess *cp = static_cast<KaxChapterProcess *>(l);
4399             chapter_codec_cmds_c *p_ccodec = NULL;
4400
4401             for( j = 0; j < cp->ListSize(); j++ )
4402             {
4403                 EbmlElement *k= (*cp)[j];
4404
4405                 if( MKV_IS_ID( k, KaxChapterProcessCodecID ) )
4406                 {
4407                     KaxChapterProcessCodecID *p_codec_id = static_cast<KaxChapterProcessCodecID*>( k );
4408                     if ( uint32(*p_codec_id) == 0 )
4409                         p_ccodec = new matroska_script_codec_c( sys );
4410                     else if ( uint32(*p_codec_id) == 1 )
4411                         p_ccodec = new dvd_chapter_codec_c( sys );
4412                     break;
4413                 }
4414             }
4415
4416             if ( p_ccodec != NULL )
4417             {
4418                 for( j = 0; j < cp->ListSize(); j++ )
4419                 {
4420                     EbmlElement *k= (*cp)[j];
4421
4422                     if( MKV_IS_ID( k, KaxChapterProcessPrivate ) )
4423                     {
4424                         KaxChapterProcessPrivate * p_private = static_cast<KaxChapterProcessPrivate*>( k );
4425                         p_ccodec->SetPrivate( *p_private );
4426                     }
4427                     else if( MKV_IS_ID( k, KaxChapterProcessCommand ) )
4428                     {
4429                         p_ccodec->AddCommand( *static_cast<KaxChapterProcessCommand*>( k ) );
4430                     }
4431                 }
4432                 chapters.codecs.push_back( p_ccodec );
4433             }
4434         }
4435         else if( MKV_IS_ID( l, KaxChapterAtom ) )
4436         {
4437             chapter_item_c *new_sub_chapter = new chapter_item_c();
4438             ParseChapterAtom( i_level+1, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4439             new_sub_chapter->psz_parent = &chapters;
4440             chapters.sub_chapters.push_back( new_sub_chapter );
4441         }
4442     }
4443 }
4444
4445 /*****************************************************************************
4446  * ParseChapters:
4447  *****************************************************************************/
4448 void matroska_segment_c::ParseChapters( KaxChapters *chapters )
4449 {
4450     EbmlElement *el;
4451     size_t i;
4452     int i_upper_level = 0;
4453     mtime_t i_dur;
4454
4455     /* Master elements */
4456     chapters->Read( es, chapters->Generic().Context, i_upper_level, el, true );
4457
4458     for( i = 0; i < chapters->ListSize(); i++ )
4459     {
4460         EbmlElement *l = (*chapters)[i];
4461
4462         if( MKV_IS_ID( l, KaxEditionEntry ) )
4463         {
4464             chapter_edition_c *p_edition = new chapter_edition_c();
4465
4466             EbmlMaster *E = static_cast<EbmlMaster *>(l );
4467             size_t j;
4468             msg_Dbg( &sys.demuxer, "|   |   + EditionEntry" );
4469             for( j = 0; j < E->ListSize(); j++ )
4470             {
4471                 EbmlElement *l = (*E)[j];
4472
4473                 if( MKV_IS_ID( l, KaxChapterAtom ) )
4474                 {
4475                     chapter_item_c *new_sub_chapter = new chapter_item_c();
4476                     ParseChapterAtom( 0, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4477                     p_edition->sub_chapters.push_back( new_sub_chapter );
4478                 }
4479                 else if( MKV_IS_ID( l, KaxEditionUID ) )
4480                 {
4481                     p_edition->i_uid = uint64(*static_cast<KaxEditionUID *>( l ));
4482                 }
4483                 else if( MKV_IS_ID( l, KaxEditionFlagOrdered ) )
4484                 {
4485                     p_edition->b_ordered = config_GetInt( &sys.demuxer, "mkv-use-ordered-chapters" ) ? (uint8(*static_cast<KaxEditionFlagOrdered *>( l )) != 0) : 0;
4486                 }
4487                 else if( MKV_IS_ID( l, KaxEditionFlagDefault ) )
4488                 {
4489                     if (uint8(*static_cast<KaxEditionFlagDefault *>( l )) != 0)
4490                         i_default_edition = stored_editions.size();
4491                 }
4492                 else
4493                 {
4494                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
4495                 }
4496             }
4497             stored_editions.push_back( p_edition );
4498         }
4499         else
4500         {
4501             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4502         }
4503     }
4504
4505     for( i = 0; i < stored_editions.size(); i++ )
4506     {
4507         stored_editions[i]->RefreshChapters( );
4508     }
4509
4510     if ( stored_editions[i_default_edition]->b_ordered )
4511     {
4512         /* update the duration of the segment according to the sum of all sub chapters */
4513         i_dur = stored_editions[i_default_edition]->Duration() / I64C(1000);
4514         if (i_dur > 0)
4515             i_duration = i_dur;
4516     }
4517 }
4518
4519 void matroska_segment_c::ParseCluster( )
4520 {
4521     EbmlElement *el;
4522     EbmlMaster  *m;
4523     unsigned int i;
4524     int i_upper_level = 0;
4525
4526     /* Master elements */
4527     m = static_cast<EbmlMaster *>( cluster );
4528     m->Read( es, cluster->Generic().Context, i_upper_level, el, true );
4529
4530     for( i = 0; i < m->ListSize(); i++ )
4531     {
4532         EbmlElement *l = (*m)[i];
4533
4534         if( MKV_IS_ID( l, KaxClusterTimecode ) )
4535         {
4536             KaxClusterTimecode &ctc = *(KaxClusterTimecode*)l;
4537
4538             cluster->InitTimecode( uint64( ctc ), i_timescale );
4539             break;
4540         }
4541     }
4542
4543     i_start_time = cluster->GlobalTimecode() / 1000;
4544 }
4545
4546 /*****************************************************************************
4547  * InformationCreate:
4548  *****************************************************************************/
4549 void matroska_segment_c::InformationCreate( )
4550 {
4551     size_t      i_track;
4552
4553     sys.meta = vlc_meta_New();
4554
4555     if( psz_title )
4556     {
4557         vlc_meta_Add( sys.meta, VLC_META_TITLE, psz_title );
4558     }
4559     if( psz_date_utc )
4560     {
4561         vlc_meta_Add( sys.meta, VLC_META_DATE, psz_date_utc );
4562     }
4563     if( psz_segment_filename )
4564     {
4565         vlc_meta_Add( sys.meta, _("Segment filename"), psz_segment_filename );
4566     }
4567     if( psz_muxing_application )
4568     {
4569         vlc_meta_Add( sys.meta, _("Muxing application"), psz_muxing_application );
4570     }
4571     if( psz_writing_application )
4572     {
4573         vlc_meta_Add( sys.meta, _("Writing application"), psz_writing_application );
4574     }
4575
4576     for( i_track = 0; i_track < tracks.size(); i_track++ )
4577     {
4578         mkv_track_t *tk = tracks[i_track];
4579         vlc_meta_t *mtk = vlc_meta_New();
4580
4581         sys.meta->track = (vlc_meta_t**)realloc( sys.meta->track,
4582                                                     sizeof( vlc_meta_t * ) * ( sys.meta->i_track + 1 ) );
4583         sys.meta->track[sys.meta->i_track++] = mtk;
4584
4585         if( tk->fmt.psz_description )
4586         {
4587             vlc_meta_Add( sys.meta, VLC_META_DESCRIPTION, tk->fmt.psz_description );
4588         }
4589         if( tk->psz_codec_name )
4590         {
4591             vlc_meta_Add( sys.meta, VLC_META_CODEC_NAME, tk->psz_codec_name );
4592         }
4593         if( tk->psz_codec_settings )
4594         {
4595             vlc_meta_Add( sys.meta, VLC_META_SETTING, tk->psz_codec_settings );
4596         }
4597         if( tk->psz_codec_info_url )
4598         {
4599             vlc_meta_Add( sys.meta, VLC_META_CODEC_DESCRIPTION, tk->psz_codec_info_url );
4600         }
4601         if( tk->psz_codec_download_url )
4602         {
4603             vlc_meta_Add( sys.meta, VLC_META_URL, tk->psz_codec_download_url );
4604         }
4605     }
4606
4607     if( i_tags_position >= 0 )
4608     {
4609         vlc_bool_t b_seekable;
4610
4611         stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
4612         if( b_seekable )
4613         {
4614             LoadTags( );
4615         }
4616     }
4617 }
4618
4619
4620 /*****************************************************************************
4621  * Divers
4622  *****************************************************************************/
4623
4624 void matroska_segment_c::IndexAppendCluster( KaxCluster *cluster )
4625 {
4626 #define idx p_indexes[i_index]
4627     idx.i_track       = -1;
4628     idx.i_block_number= -1;
4629     idx.i_position    = cluster->GetElementPosition();
4630     idx.i_time        = -1;
4631     idx.b_key         = VLC_TRUE;
4632
4633     i_index++;
4634     if( i_index >= i_index_max )
4635     {
4636         i_index_max += 1024;
4637         p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
4638     }
4639 #undef idx
4640 }
4641
4642 static char * UTF8ToStr( const UTFstring &u )
4643 {
4644     int     i_src;
4645     const wchar_t *src;
4646     char *dst, *p;
4647
4648     i_src = u.length();
4649     src   = u.c_str();
4650
4651     p = dst = (char*)malloc( i_src + 1);
4652     while( i_src > 0 )
4653     {
4654         if( *src < 255 )
4655         {
4656             *p++ = (char)*src;
4657         }
4658         else
4659         {
4660             *p++ = '?';
4661         }
4662         src++;
4663         i_src--;
4664     }
4665     *p++= '\0';
4666
4667     return dst;
4668 }
4669
4670 void chapter_edition_c::RefreshChapters( )
4671 {
4672     chapter_item_c::RefreshChapters( b_ordered, -1 );
4673     b_display_seekpoint = false;
4674 }
4675
4676 int64_t chapter_item_c::RefreshChapters( bool b_ordered, int64_t i_prev_user_time )
4677 {
4678     int64_t i_user_time = i_prev_user_time;
4679
4680     // first the sub-chapters, and then ourself
4681     std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
4682     while ( index != sub_chapters.end() )
4683     {
4684         i_user_time = (*index)->RefreshChapters( b_ordered, i_user_time );
4685         index++;
4686     }
4687
4688     if ( b_ordered )
4689     {
4690         // the ordered chapters always start at zero
4691         if ( i_prev_user_time == -1 )
4692         {
4693             if ( i_user_time == -1 )
4694                 i_user_time = 0;
4695             i_prev_user_time = 0;
4696         }
4697
4698         i_user_start_time = i_prev_user_time;
4699         if ( i_end_time != -1 && i_user_time == i_prev_user_time )
4700         {
4701             i_user_end_time = i_user_start_time - i_start_time + i_end_time;
4702         }
4703         else
4704         {
4705             i_user_end_time = i_user_time;
4706         }
4707     }
4708     else
4709     {
4710         std::sort( sub_chapters.begin(), sub_chapters.end() );
4711         i_user_start_time = i_start_time;
4712         if ( i_end_time != -1 )
4713             i_user_end_time = i_end_time;
4714         else if ( i_user_time != -1 )
4715             i_user_end_time = i_user_time;
4716         else
4717             i_user_end_time = i_user_start_time;
4718     }
4719
4720     return i_user_end_time;
4721 }
4722
4723 mtime_t chapter_edition_c::Duration() const
4724 {
4725     mtime_t i_result = 0;
4726
4727     if ( sub_chapters.size() )
4728     {
4729         std::vector<chapter_item_c*>::const_iterator index = sub_chapters.end();
4730         index--;
4731         i_result = (*index)->i_user_end_time;
4732     }
4733
4734     return i_result;
4735 }
4736
4737 chapter_item_c *chapter_item_c::FindTimecode( mtime_t i_user_timecode )
4738 {
4739     chapter_item_c *psz_result = NULL;
4740
4741     if ( i_user_timecode >= i_user_start_time &&
4742         ( i_user_timecode < i_user_end_time ||
4743           ( i_user_start_time == i_user_end_time && i_user_timecode == i_user_end_time )))
4744     {
4745         std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
4746         while ( index != sub_chapters.end() && psz_result == NULL )
4747         {
4748             psz_result = (*index)->FindTimecode( i_user_timecode );
4749             index++;
4750         }
4751
4752         if ( psz_result == NULL )
4753             psz_result = this;
4754     }
4755
4756     return psz_result;
4757 }
4758
4759 bool chapter_item_c::ParentOf( const chapter_item_c & item ) const
4760 {
4761     if ( &item == this )
4762         return true;
4763
4764     std::vector<chapter_item_c*>::const_iterator index = sub_chapters.begin();
4765     while ( index != sub_chapters.end() )
4766     {
4767         if ( (*index)->ParentOf( item ) )
4768             return true;
4769         index++;
4770     }
4771
4772     return false;
4773 }
4774
4775 void demux_sys_t::PreloadFamily( const matroska_segment_c & of_segment )
4776 {
4777     for (size_t i=0; i<opened_segments.size(); i++)
4778     {
4779         opened_segments[i]->PreloadFamily( of_segment );
4780     }
4781 }
4782 bool matroska_segment_c::PreloadFamily( const matroska_segment_c & of_segment )
4783 {
4784     if ( b_preloaded )
4785         return false;
4786
4787     for (size_t i=0; i<families.size(); i++)
4788     {
4789         for (size_t j=0; j<of_segment.families.size(); j++)
4790         {
4791             if ( families[i] == of_segment.families[j] )
4792                 return Preload( );
4793         }
4794     }
4795
4796     return false;
4797 }
4798
4799 // preload all the linked segments for all preloaded segments
4800 void demux_sys_t::PreloadLinked( matroska_segment_c *p_segment )
4801 {
4802     size_t i_preloaded, i, j;
4803     virtual_segment_c *p_seg;
4804
4805     p_current_segment = VirtualFromSegments( p_segment );
4806
4807     used_segments.push_back( p_current_segment );
4808
4809     // create all the other virtual segments of the family
4810     do {
4811         i_preloaded = 0;
4812         for ( i=0; i< opened_segments.size(); i++ )
4813         {
4814             if ( opened_segments[i]->b_preloaded && !IsUsedSegment( *opened_segments[i] ) )
4815             {
4816                 p_seg = VirtualFromSegments( opened_segments[i] );
4817                 used_segments.push_back( p_seg );
4818                 i_preloaded++;
4819             }
4820         }
4821     } while ( i_preloaded ); // worst case: will stop when all segments are found as family related
4822
4823     // publish all editions of all usable segment
4824     for ( i=0; i< used_segments.size(); i++ )
4825     {
4826         p_seg = used_segments[i];
4827         if ( p_seg->p_editions != NULL )
4828         {
4829             std::string sz_name;
4830             input_title_t *p_title = vlc_input_title_New();
4831             p_seg->i_sys_title = i;
4832             int i_chapters;
4833
4834             // TODO use a name for each edition, let the TITLE deal with a codec name
4835             for ( j=0; j<p_seg->p_editions->size(); j++ )
4836             {
4837                 if ( p_title->psz_name == NULL )
4838                 {
4839                     sz_name = (*p_seg->p_editions)[j]->GetMainName();
4840                     if ( sz_name != "" )
4841                         p_title->psz_name = strdup( sz_name.c_str() );
4842                 }
4843
4844                 chapter_edition_c *p_edition = (*p_seg->p_editions)[j];
4845
4846                 i_chapters = 0;
4847                 p_edition->PublishChapters( *p_title, i_chapters, 0 );
4848             }
4849
4850             // create a name if there is none
4851             if ( p_title->psz_name == NULL )
4852             {
4853                 sz_name = N_("Segment ");
4854                 char psz_str[6];
4855                 sprintf( psz_str, "%d", i );
4856                 sz_name += psz_str;
4857                 p_title->psz_name = strdup( sz_name.c_str() );
4858             }
4859
4860             titles.push_back( p_title );
4861         }
4862     }
4863
4864     // TODO decide which segment should be first used (VMG for DVD)
4865 }
4866
4867 bool demux_sys_t::IsUsedSegment( matroska_segment_c &segment ) const
4868 {
4869     for ( size_t i=0; i< used_segments.size(); i++ )
4870     {
4871         if ( used_segments[i]->FindUID( *segment.p_segment_uid ) )
4872             return true;
4873     }
4874     return false;
4875 }
4876
4877 virtual_segment_c *demux_sys_t::VirtualFromSegments( matroska_segment_c *p_segment ) const
4878 {
4879     size_t i_preloaded, i;
4880
4881     virtual_segment_c *p_result = new virtual_segment_c( p_segment );
4882
4883     // fill our current virtual segment with all hard linked segments
4884     do {
4885         i_preloaded = 0;
4886         for ( i=0; i< opened_segments.size(); i++ )
4887         {
4888             i_preloaded += p_result->AddSegment( opened_segments[i] );
4889         }
4890     } while ( i_preloaded ); // worst case: will stop when all segments are found as linked
4891
4892     p_result->Sort( );
4893
4894     p_result->PreloadLinked( );
4895
4896     p_result->PrepareChapters( );
4897
4898     return p_result;
4899 }
4900
4901 bool demux_sys_t::PreparePlayback( virtual_segment_c *p_new_segment )
4902 {
4903     if ( p_new_segment != NULL && p_new_segment != p_current_segment )
4904     {
4905         if ( p_current_segment != NULL && p_current_segment->Segment() != NULL )
4906             p_current_segment->Segment()->UnSelect();
4907
4908         p_current_segment = p_new_segment;
4909         i_current_title = p_new_segment->i_sys_title;
4910     }
4911
4912     p_current_segment->LoadCues();
4913     f_duration = p_current_segment->Duration();
4914
4915     /* add information */
4916     p_current_segment->Segment()->InformationCreate( );
4917
4918     p_current_segment->Segment()->Select( 0 );
4919
4920     return true;
4921 }
4922
4923 void demux_sys_t::JumpTo( virtual_segment_c & vsegment, chapter_item_c * p_chapter )
4924 {
4925     // if the segment is not part of the current segment, select the new one
4926     if ( &vsegment != p_current_segment )
4927     {
4928         PreparePlayback( &vsegment );
4929     }
4930
4931     if ( p_chapter != NULL )
4932     {
4933         if ( !p_chapter->Enter( true ) )
4934         {
4935             // jump to the location in the found segment
4936             vsegment.Seek( demuxer, p_chapter->i_user_start_time, -1, NULL );
4937         }
4938     }
4939
4940 }
4941
4942 bool matroska_segment_c::CompareSegmentUIDs( const matroska_segment_c * p_item_a, const matroska_segment_c * p_item_b )
4943 {
4944     EbmlBinary * p_itema = (EbmlBinary *)(p_item_a->p_segment_uid);
4945     if ( *p_itema == *p_item_b->p_prev_segment_uid )
4946         return true;
4947
4948     p_itema = (EbmlBinary *)(&p_item_a->p_next_segment_uid);
4949     if ( *p_itema == *p_item_b->p_segment_uid )
4950         return true;
4951
4952     if ( *p_itema == *p_item_b->p_prev_segment_uid )
4953         return true;
4954
4955     return false;
4956 }
4957
4958 bool matroska_segment_c::Preload( )
4959 {
4960     if ( b_preloaded )
4961         return false;
4962
4963     EbmlElement *el = NULL;
4964
4965     ep->Reset( &sys.demuxer );
4966
4967     while( ( el = ep->Get() ) != NULL )
4968     {
4969         if( MKV_IS_ID( el, KaxInfo ) )
4970         {
4971             ParseInfo( static_cast<KaxInfo*>( el ) );
4972         }
4973         else if( MKV_IS_ID( el, KaxTracks ) )
4974         {
4975             ParseTracks( static_cast<KaxTracks*>( el ) );
4976         }
4977         else if( MKV_IS_ID( el, KaxSeekHead ) )
4978         {
4979             ParseSeekHead( static_cast<KaxSeekHead*>( el ) );
4980         }
4981         else if( MKV_IS_ID( el, KaxCues ) )
4982         {
4983             msg_Dbg( &sys.demuxer, "|   + Cues" );
4984         }
4985         else if( MKV_IS_ID( el, KaxCluster ) )
4986         {
4987             msg_Dbg( &sys.demuxer, "|   + Cluster" );
4988
4989             cluster = (KaxCluster*)el;
4990
4991             i_start_pos = cluster->GetElementPosition();
4992             ParseCluster( );
4993
4994             ep->Down();
4995             /* stop parsing the stream */
4996             break;
4997         }
4998         else if( MKV_IS_ID( el, KaxAttachments ) )
4999         {
5000             msg_Dbg( &sys.demuxer, "|   + Attachments FIXME (but probably never supported)" );
5001         }
5002         else if( MKV_IS_ID( el, KaxChapters ) )
5003         {
5004             msg_Dbg( &sys.demuxer, "|   + Chapters" );
5005             ParseChapters( static_cast<KaxChapters*>( el ) );
5006         }
5007         else if( MKV_IS_ID( el, KaxTag ) )
5008         {
5009             msg_Dbg( &sys.demuxer, "|   + Tags FIXME TODO" );
5010         }
5011         else
5012         {
5013             msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid(*el).name() );
5014         }
5015     }
5016
5017     b_preloaded = true;
5018
5019     return true;
5020 }
5021
5022 matroska_segment_c *demux_sys_t::FindSegment( const EbmlBinary & uid ) const
5023 {
5024     for (size_t i=0; i<opened_segments.size(); i++)
5025     {
5026         if ( *opened_segments[i]->p_segment_uid == uid )
5027             return opened_segments[i];
5028     }
5029     return NULL;
5030 }
5031
5032 chapter_item_c *demux_sys_t::BrowseCodecPrivate( unsigned int codec_id,
5033                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
5034                                         const void *p_cookie,
5035                                         size_t i_cookie_size,
5036                                         virtual_segment_c * &p_segment_found )
5037 {
5038     chapter_item_c *p_result = NULL;
5039     for (size_t i=0; i<used_segments.size(); i++)
5040     {
5041         p_result = used_segments[i]->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
5042         if ( p_result != NULL )
5043         {
5044             p_segment_found = used_segments[i];
5045             break;
5046         }
5047     }
5048     return p_result;
5049 }
5050
5051 chapter_item_c *demux_sys_t::FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found )
5052 {
5053     chapter_item_c *p_result = NULL;
5054     for (size_t i=0; i<used_segments.size(); i++)
5055     {
5056         p_result = used_segments[i]->FindChapter( i_find_uid );
5057         if ( p_result != NULL )
5058         {
5059             p_segment_found = used_segments[i];
5060             break;
5061         }
5062     }
5063     return p_result;
5064 }
5065
5066 void virtual_segment_c::Sort()
5067 {
5068     // keep the current segment index
5069     matroska_segment_c *p_segment = linked_segments[i_current_segment];
5070
5071     std::sort( linked_segments.begin(), linked_segments.end(), matroska_segment_c::CompareSegmentUIDs );
5072
5073     for ( i_current_segment=0; i_current_segment<linked_segments.size(); i_current_segment++)
5074         if ( linked_segments[i_current_segment] == p_segment )
5075             break;
5076 }
5077
5078 size_t virtual_segment_c::AddSegment( matroska_segment_c *p_segment )
5079 {
5080     size_t i;
5081     // check if it's not already in here
5082     for ( i=0; i<linked_segments.size(); i++ )
5083     {
5084         if ( *p_segment->p_segment_uid == *linked_segments[i]->p_segment_uid )
5085             return 0;
5086     }
5087
5088     // find possible mates
5089     for ( i=0; i<linked_uids.size(); i++ )
5090     {
5091         if (   (p_segment->p_segment_uid != NULL && *p_segment->p_segment_uid == linked_uids[i])
5092             || (p_segment->p_prev_segment_uid != NULL && *p_segment->p_prev_segment_uid == linked_uids[i])
5093             || (p_segment->p_next_segment_uid !=NULL && *p_segment->p_next_segment_uid == linked_uids[i]) )
5094         {
5095             linked_segments.push_back( p_segment );
5096
5097             AppendUID( p_segment->p_prev_segment_uid );
5098             AppendUID( p_segment->p_next_segment_uid );
5099
5100             return 1;
5101         }
5102     }
5103     return 0;
5104 }
5105
5106 void virtual_segment_c::PreloadLinked( )
5107 {
5108     for ( size_t i=0; i<linked_segments.size(); i++ )
5109     {
5110         linked_segments[i]->Preload( );
5111     }
5112     i_current_edition = linked_segments[0]->i_default_edition;
5113 }
5114
5115 mtime_t virtual_segment_c::Duration() const
5116 {
5117     mtime_t i_duration;
5118     if ( linked_segments.size() == 0 )
5119         i_duration = 0;
5120     else {
5121         matroska_segment_c *p_last_segment = linked_segments[linked_segments.size()-1];
5122 //        p_last_segment->ParseCluster( );
5123
5124         i_duration = p_last_segment->i_start_time / 1000 + p_last_segment->i_duration;
5125     }
5126     return i_duration;
5127 }
5128
5129 void virtual_segment_c::LoadCues( )
5130 {
5131     for ( size_t i=0; i<linked_segments.size(); i++ )
5132     {
5133         linked_segments[i]->LoadCues();
5134     }
5135 }
5136
5137 void virtual_segment_c::AppendUID( const EbmlBinary * p_UID )
5138 {
5139     if ( p_UID == NULL )
5140         return;
5141     if ( p_UID->GetBuffer() == NULL )
5142         return;
5143
5144     for (size_t i=0; i<linked_uids.size(); i++)
5145     {
5146         if ( *p_UID == linked_uids[i] )
5147             return;
5148     }
5149     linked_uids.push_back( *(KaxSegmentUID*)(p_UID) );
5150 }
5151
5152 void matroska_segment_c::Seek( mtime_t i_date, mtime_t i_time_offset )
5153 {
5154     KaxBlock    *block;
5155     uint64      i_cuepos;
5156     int         i_track_skipping;
5157     int64_t     i_block_duration;
5158     int64_t     i_block_ref1;
5159     int64_t     i_block_ref2;
5160     size_t      i_track;
5161     int64_t     i_seek_position = i_start_pos;
5162     int64_t     i_seek_time = i_start_time;
5163
5164     if ( i_index > 0 )
5165     {
5166         int i_idx = 0;
5167
5168         for( ; i_idx < i_index; i_idx++ )
5169         {
5170             if( p_indexes[i_idx].i_time + i_time_offset > i_date )
5171             {
5172                 break;
5173             }
5174         }
5175
5176         if( i_idx > 0 )
5177         {
5178             i_idx--;
5179         }
5180
5181         i_seek_position = p_indexes[i_idx].i_position;
5182         i_seek_time = p_indexes[i_idx].i_time;
5183     }
5184
5185     msg_Dbg( &sys.demuxer, "seek got "I64Fd" (%d%%)",
5186                 i_seek_time, (int)( 100 * i_seek_position / stream_Size( sys.demuxer.s ) ) );
5187
5188     es.I_O().setFilePointer( i_seek_position, seek_beginning );
5189
5190     delete ep;
5191     ep = new EbmlParser( &es, segment, &sys.demuxer );
5192     cluster = NULL;
5193
5194     sys.i_start_pts = i_date;
5195
5196     es_out_Control( sys.demuxer.out, ES_OUT_RESET_PCR );
5197
5198     /* now parse until key frame */
5199     i_track_skipping = 0;
5200     for( i_track = 0; i_track < tracks.size(); i_track++ )
5201     {
5202         if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5203         {
5204             tracks[i_track]->b_search_keyframe = VLC_TRUE;
5205             i_track_skipping++;
5206         }
5207         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_date );
5208     }
5209
5210
5211     while( i_track_skipping > 0 )
5212     {
5213         if( BlockGet( block, i_cuepos, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
5214         {
5215             msg_Warn( &sys.demuxer, "cannot get block EOF?" );
5216
5217             return;
5218         }
5219
5220         for( i_track = 0; i_track < tracks.size(); i_track++ )
5221         {
5222             if( tracks[i_track]->i_number == block->TrackNum() )
5223             {
5224                 break;
5225             }
5226         }
5227
5228         sys.i_pts = sys.i_chapter_time + block->GlobalTimecode() / (mtime_t) 1000;
5229
5230         if( i_track < tracks.size() )
5231         {
5232            if( sys.i_pts >= sys.i_start_pts )
5233             {
5234                 ep->UnGet( i_cuepos );
5235                 i_track_skipping = 0;
5236             }
5237             else if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5238             {
5239                 if( i_block_ref1 == -1 && tracks[i_track]->b_search_keyframe )
5240                 {
5241                     tracks[i_track]->b_search_keyframe = VLC_FALSE;
5242                     i_track_skipping--;
5243                 }
5244                 if( !tracks[i_track]->b_search_keyframe )
5245                 {
5246                     BlockDecode( &sys.demuxer, block, sys.i_pts, 0 );
5247                 }
5248             }
5249         }
5250
5251         delete block;
5252     }
5253 }
5254
5255 void virtual_segment_c::Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter )
5256 {
5257     demux_sys_t *p_sys = demuxer.p_sys;
5258     size_t i;
5259
5260     // find the actual time for an ordered edition
5261     if ( psz_chapter == NULL )
5262     {
5263         if ( Edition() && Edition()->b_ordered )
5264         {
5265             /* 1st, we need to know in which chapter we are */
5266             psz_chapter = (*p_editions)[i_current_edition]->FindTimecode( i_date );
5267         }
5268     }
5269
5270     if ( psz_chapter != NULL )
5271     {
5272         psz_current_chapter = psz_chapter;
5273         p_sys->i_chapter_time = i_time_offset = psz_chapter->i_user_start_time - psz_chapter->i_start_time;
5274         if ( psz_chapter->i_seekpoint_num > 0 )
5275         {
5276             demuxer.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
5277             demuxer.info.i_title = p_sys->i_current_title = i_sys_title;
5278             demuxer.info.i_seekpoint = psz_chapter->i_seekpoint_num - 1;
5279         }
5280     }
5281
5282     // find the best matching segment
5283     for ( i=0; i<linked_segments.size(); i++ )
5284     {
5285         if ( i_date < linked_segments[i]->i_start_time )
5286             break;
5287     }
5288
5289     if ( i > 0 )
5290         i--;
5291
5292     if ( i_current_segment != i  )
5293     {
5294         linked_segments[i_current_segment]->UnSelect();
5295         linked_segments[i]->Select( i_date );
5296         i_current_segment = i;
5297     }
5298
5299     linked_segments[i]->Seek( i_date, i_time_offset );
5300 }
5301
5302 void chapter_codec_cmds_c::AddCommand( const KaxChapterProcessCommand & command )
5303 {
5304     size_t i;
5305
5306     uint32 codec_time = uint32(-1);
5307     for( i = 0; i < command.ListSize(); i++ )
5308     {
5309         const EbmlElement *k = command[i];
5310
5311         if( MKV_IS_ID( k, KaxChapterProcessTime ) )
5312         {
5313             codec_time = uint32( *static_cast<const KaxChapterProcessTime*>( k ) );
5314             break;
5315         }
5316     }
5317
5318     for( i = 0; i < command.ListSize(); i++ )
5319     {
5320         const EbmlElement *k = command[i];
5321
5322         if( MKV_IS_ID( k, KaxChapterProcessData ) )
5323         {
5324             KaxChapterProcessData *p_data =  new KaxChapterProcessData( *static_cast<const KaxChapterProcessData*>( k ) );
5325             switch ( codec_time )
5326             {
5327             case 0:
5328                 during_cmds.push_back( p_data );
5329                 break;
5330             case 1:
5331                 enter_cmds.push_back( p_data );
5332                 break;
5333             case 2:
5334                 leave_cmds.push_back( p_data );
5335                 break;
5336             default:
5337                 delete p_data;
5338             }
5339         }
5340     }
5341 }
5342
5343 bool chapter_item_c::Enter( bool b_do_subs )
5344 {
5345     bool f_result = false;
5346     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5347     while ( index != codecs.end() )
5348     {
5349         f_result |= (*index)->Enter();
5350         index++;
5351     }
5352
5353     if ( b_do_subs )
5354     {
5355         // sub chapters
5356         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5357         while ( index_ != sub_chapters.end() )
5358         {
5359             f_result |= (*index_)->Enter( true );
5360             index_++;
5361         }
5362     }
5363     return f_result;
5364 }
5365
5366 bool chapter_item_c::Leave( bool b_do_subs )
5367 {
5368     bool f_result = false;
5369     b_is_leaving = true;
5370     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5371     while ( index != codecs.end() )
5372     {
5373         f_result |= (*index)->Leave();
5374         index++;
5375     }
5376
5377     if ( b_do_subs )
5378     {
5379         // sub chapters
5380         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5381         while ( index_ != sub_chapters.end() )
5382         {
5383             f_result |= (*index_)->Leave( true );
5384             index_++;
5385         }
5386     }
5387     b_is_leaving = false;
5388     return f_result;
5389 }
5390
5391 bool chapter_item_c::EnterAndLeave( chapter_item_c *p_item )
5392 {
5393     chapter_item_c *p_common_parent = p_item;
5394
5395     // leave, up to a common parent
5396     while ( p_common_parent != NULL && !p_common_parent->ParentOf( *this ) )
5397     {
5398         if ( !p_common_parent->b_is_leaving && p_common_parent->Leave( false ) )
5399             return true;
5400         p_common_parent = p_common_parent->psz_parent;
5401     }
5402
5403     // enter from the parent to <this>
5404     if ( p_common_parent != NULL )
5405     {
5406         do
5407         {
5408             if ( p_common_parent == this )
5409                 return Enter( true );
5410
5411             for ( size_t i = 0; i<p_common_parent->sub_chapters.size(); i++ )
5412             {
5413                 if ( p_common_parent->sub_chapters[i]->ParentOf( *this ) )
5414                 {
5415                     p_common_parent = p_common_parent->sub_chapters[i];
5416                     if ( p_common_parent != this )
5417                         if ( p_common_parent->Enter( false ) )
5418                             return true;
5419
5420                     break;
5421                 }
5422             }
5423         } while ( 1 );
5424     }
5425
5426     return Enter( true );
5427 }
5428
5429 bool dvd_chapter_codec_c::Enter()
5430 {
5431     bool f_result = false;
5432     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
5433     while ( index != enter_cmds.end() )
5434     {
5435         if ( (*index)->GetSize() )
5436         {
5437             binary *p_data = (*index)->GetBuffer();
5438             size_t i_size = *p_data++;
5439             // avoid reading too much from the buffer
5440             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
5441             for ( ; i_size > 0; i_size--, p_data += 8 )
5442             {
5443                 msg_Dbg( &sys.demuxer, "Matroska DVD enter command" );
5444                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5445             }
5446         }
5447         index++;
5448     }
5449     return f_result;
5450 }
5451
5452 bool dvd_chapter_codec_c::Leave()
5453 {
5454     bool f_result = false;
5455     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
5456     while ( index != leave_cmds.end() )
5457     {
5458         if ( (*index)->GetSize() )
5459         {
5460             binary *p_data = (*index)->GetBuffer();
5461             size_t i_size = *p_data++;
5462             // avoid reading too much from the buffer
5463             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
5464             for ( ; i_size > 0; i_size--, p_data += 8 )
5465             {
5466                 msg_Dbg( &sys.demuxer, "Matroska DVD leave command" );
5467                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5468             }
5469         }
5470         index++;
5471     }
5472     return f_result;
5473 }
5474
5475 // see http://www.dvd-replica.com/DVD/vmcmdset.php for a description of DVD commands
5476 bool dvd_command_interpretor_c::Interpret( const binary * p_command, size_t i_size )
5477 {
5478     if ( i_size != 8 )
5479         return false;
5480
5481     virtual_segment_c *p_segment;
5482     chapter_item_c *p_chapter;
5483     bool f_result = false;
5484     uint16 i_command = ( p_command[0] << 8 ) + p_command[1];
5485
5486     // handle register tests if there are some
5487     if ( (i_command & 0xF0) != 0 )
5488     {
5489         bool b_test_positive = (i_command & CMD_DVD_IF_NOT) == 0;
5490         bool b_test_value    = (i_command & CMD_DVD_TEST_VALUE) != 0;
5491         uint8 i_test = i_command & 0x70;
5492         uint16 i_value;
5493
5494         if ( b_test_value )
5495             i_value = ( p_command[4] << 8 ) + p_command[5];
5496         else
5497             i_value = GetPRM( p_command[7] );
5498
5499         switch ( i_test )
5500         {
5501         case CMD_DVD_IF_GPREG_EQUAL:
5502             // if equals
5503             msg_Dbg( &sys.demuxer, "IF %s EQUALS %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5504             if (!( GetPRM( p_command[3] ) == i_value ))
5505             {
5506                 b_test_positive = !b_test_positive;
5507             }
5508             break;
5509         case CMD_DVD_IF_GPREG_INF:
5510             // if inferior
5511             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5512             if (!( GetPRM( p_command[3] ) < i_value ))
5513             {
5514                 b_test_positive = !b_test_positive;
5515             }
5516             break;
5517         case CMD_DVD_IF_GPREG_AND:
5518             // if logical and
5519             msg_Dbg( &sys.demuxer, "IF %s & %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5520             if (!( GetPRM( p_command[3] ) & i_value ))
5521             {
5522                 b_test_positive = !b_test_positive;
5523             }
5524             break;
5525         case CMD_DVD_IF_GPREG_SUP_EQUAL:
5526             // if superior or equal
5527             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5528             if (!( GetPRM( p_command[3] ) >= i_value ))
5529             {
5530                 b_test_positive = !b_test_positive;
5531             }
5532             break;
5533         }
5534
5535         if ( !b_test_positive )
5536             return false;
5537     }
5538
5539     // strip the test command
5540     i_command &= 0xFF0F;
5541
5542     switch ( i_command )
5543     {
5544     case CMD_DVD_NOP:
5545     case CMD_DVD_NOP2:
5546         {
5547             msg_Dbg( &sys.demuxer, "NOP" );
5548             break;
5549         }
5550     case CMD_DVD_BREAK:
5551         {
5552             msg_Dbg( &sys.demuxer, "Break" );
5553             // TODO
5554             break;
5555         }
5556     case CMD_DVD_JUMP_TT:
5557         {
5558             uint8 i_title = p_command[5];
5559             msg_Dbg( &sys.demuxer, "JumpTT %d", i_title );
5560
5561             // find in the ChapProcessPrivate matching this Title level
5562             p_chapter = sys.BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title), p_segment );
5563             if ( p_segment != NULL )
5564             {
5565                 sys.JumpTo( *p_segment, p_chapter );
5566                 f_result = true;
5567             }
5568
5569             break;
5570         }
5571     case CMD_DVD_CALLSS_VTSM1:
5572         {
5573             msg_Dbg( &sys.demuxer, "CallSS VTSM" );
5574             switch( (p_command[6] & 0xC0) >> 6 ) {
5575                 case 0:
5576                     switch ( p_command[5] )
5577                     {
5578                     case 0x00:
5579                         msg_Dbg( &sys.demuxer, "CallSS PGC (rsm_cell %x)", p_command[5]);
5580                         break;
5581                     case 0x82:
5582                         msg_Dbg( &sys.demuxer, "CallSS Title Entry (rsm_cell %x)", p_command[5]);
5583                         break;
5584                     case 0x83:
5585                         msg_Dbg( &sys.demuxer, "CallSS Root Menu (rsm_cell %x)", p_command[5]);
5586                         break;
5587                     case 0x84:
5588                         msg_Dbg( &sys.demuxer, "CallSS Subpicture Menu (rsm_cell %x)", p_command[5]);
5589                         break;
5590                     case 0x85:
5591                         msg_Dbg( &sys.demuxer, "CallSS Audio Menu (rsm_cell %x)", p_command[5]);
5592                         break;
5593                     case 0x86:
5594                         msg_Dbg( &sys.demuxer, "CallSS Angle Menu (rsm_cell %x)", p_command[5]);
5595                         break;
5596                     case 0x87:
5597                         msg_Dbg( &sys.demuxer, "CallSS Chapter Menu (rsm_cell %x)", p_command[5]);
5598                         break;
5599                     default:
5600                         msg_Dbg( &sys.demuxer, "CallSS <unknown> (rsm_cell %x)", p_command[5]);
5601                         break;
5602                     }
5603                     p_chapter = sys.BrowseCodecPrivate( 1, MatchPgcType, &p_command[5], 1, p_segment );
5604                     if ( p_segment != NULL )
5605                     {
5606                         sys.JumpTo( *p_segment, p_chapter );
5607                         f_result = true;
5608                     }
5609                 break;
5610                 case 1:
5611                     msg_Dbg( &sys.demuxer, "CallSS VMGM (menu %d, rsm_cell %x)", p_command[6] & 0x0F, p_command[5]);
5612                 break;
5613                 case 2:
5614                     msg_Dbg( &sys.demuxer, "CallSS VTSM (menu %d, rsm_cell %x)", p_command[6] & 0x0F, p_command[5]);
5615                 break;
5616                 case 3:
5617                     msg_Dbg( &sys.demuxer, "CallSS VMGM (pgc %d, rsm_cell %x)", (p_command[3] << 8) + p_command[4], p_command[5]);
5618                 break;
5619             }
5620             break;
5621         }
5622     case CMD_DVD_JUMPVTS_PTT:
5623         {
5624             uint8 i_title = p_command[5];
5625             uint8 i_ptt = p_command[3];
5626
5627             msg_Dbg( &sys.demuxer, "JumpVTS Title (%d) PTT (%d)", i_title, i_ptt);
5628
5629             // find the current VTS content segment
5630             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchIsDomain, NULL, 0 );
5631             if ( p_chapter != NULL )
5632             {
5633                 int16 i_curr_title = p_chapter->GetTitleNumber( );
5634                 if ( i_curr_title > 0 )
5635                 {
5636                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSNumber, &i_curr_title, sizeof(i_curr_title), p_segment );
5637
5638                     if ( p_segment != NULL && p_chapter != NULL )
5639                     {
5640                         // find the title in the VTS
5641                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title) );
5642                         if ( p_chapter != NULL )
5643                         {
5644                             // find the chapter in the title
5645                             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchChapterNumber, &i_ptt, sizeof(i_ptt) );
5646                             if ( p_chapter != NULL )
5647                             {
5648                                 sys.JumpTo( *p_segment, p_chapter );
5649                                 f_result = true;
5650                             }
5651                         }
5652                     else
5653                         msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", i_title );
5654                     }
5655                     else
5656                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", i_curr_title );
5657                 }
5658                 else
5659                     msg_Dbg( &sys.demuxer, "JumpVTS_PTT command found but not in a VTS(M)");
5660             }
5661             else
5662                 msg_Dbg( &sys.demuxer, "JumpVTS_PTT command but the DVD domain wasn't found");
5663             break;
5664         }
5665     case CMD_DVD_SET_GPRMMD:
5666         {
5667             msg_Dbg( &sys.demuxer, "Set GPRMMD [%d]=%d", (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3]);
5668
5669             if ( !SetGPRM( (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3] ) )
5670                 msg_Dbg( &sys.demuxer, "Set GPRMMD failed" );
5671             break;
5672         }
5673     case CMD_DVD_LINKPGCN:
5674         {
5675             uint16 i_pgcn = (p_command[6] << 8) + p_command[7];
5676
5677             msg_Dbg( &sys.demuxer, "Link PGCN(%d)", i_pgcn );
5678             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchPgcNumber, &i_pgcn, 2 );
5679             if ( p_chapter != NULL )
5680             {
5681                 if ( !p_chapter->Enter( true ) )
5682                     // jump to the location in the found segment
5683                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5684
5685                 f_result = true;
5686             }
5687             break;
5688         }
5689     case CMD_DVD_LINKCN:
5690         {
5691             uint8 i_cn = p_command[7];
5692
5693             p_chapter = sys.p_current_segment->CurrentChapter();
5694
5695             msg_Dbg( &sys.demuxer, "LinkCN (cell %d)", i_cn );
5696             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchCellNumber, &i_cn, 1 );
5697             if ( p_chapter != NULL )
5698             {
5699                 if ( !p_chapter->Enter( true ) )
5700                     // jump to the location in the found segment
5701                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5702
5703                 f_result = true;
5704             }
5705             break;
5706         }
5707     case CMD_DVD_GOTO_LINE:
5708         {
5709             msg_Dbg( &sys.demuxer, "GotoLine (%d)", (p_command[6] << 8) + p_command[7] );
5710             // TODO
5711             break;
5712         }
5713     default:
5714         {
5715             msg_Dbg( &sys.demuxer, "unsupported command : %02X %02X %02X %02X %02X %02X %02X %02X"
5716                      ,p_command[0]
5717                      ,p_command[1]
5718                      ,p_command[2]
5719                      ,p_command[3]
5720                      ,p_command[4]
5721                      ,p_command[5]
5722                      ,p_command[6]
5723                      ,p_command[7]);
5724             break;
5725         }
5726     }
5727
5728     return f_result;
5729 }
5730
5731 bool dvd_command_interpretor_c::MatchIsDomain( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5732 {
5733     return ( data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS );
5734 }
5735
5736 bool dvd_command_interpretor_c::MatchVTSNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5737 {
5738     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
5739         return false;
5740
5741     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x80 )
5742         return false;
5743
5744     uint16 i_gtitle = (data.p_private_data->GetBuffer()[2] << 8 ) + data.p_private_data->GetBuffer()[3];
5745     uint16 i_title = *(uint16*)p_cookie;
5746
5747     return (i_gtitle == i_title);
5748 }
5749
5750 bool dvd_command_interpretor_c::MatchTitleNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5751 {
5752     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
5753         return false;
5754
5755     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_TT )
5756         return false;
5757
5758     uint16 i_gtitle = (data.p_private_data->GetBuffer()[1] << 8 ) + data.p_private_data->GetBuffer()[2];
5759     uint8 i_title = *(uint8*)p_cookie;
5760
5761     return (i_gtitle == i_title);
5762 }
5763
5764 bool dvd_command_interpretor_c::MatchPgcType( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5765 {
5766     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
5767         return false;
5768
5769     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
5770         return false;
5771
5772     uint8 i_pgc_type = data.p_private_data->GetBuffer()[3];
5773     uint8 i_pgc = *(uint8*)p_cookie;
5774
5775     return (i_pgc_type == i_pgc);
5776 }
5777
5778 bool dvd_command_interpretor_c::MatchPgcNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5779 {
5780     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
5781         return false;
5782
5783     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
5784         return false;
5785
5786     uint16 *i_pgc_n = (uint16 *)p_cookie;
5787     uint16 i_pgc_num = (data.p_private_data->GetBuffer()[1] << 8) + data.p_private_data->GetBuffer()[2];
5788
5789     return (i_pgc_num == *i_pgc_n);
5790 }
5791
5792 bool dvd_command_interpretor_c::MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5793 {
5794     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
5795         return false;
5796
5797     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PTT )
5798         return false;
5799
5800     uint8 i_chapter = data.p_private_data->GetBuffer()[1];
5801     uint8 i_ptt = *(uint8*)p_cookie;
5802
5803     return (i_chapter == i_ptt);
5804 }
5805
5806 bool dvd_command_interpretor_c::MatchCellNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5807 {
5808     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 5 )
5809         return false;
5810
5811     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_CN )
5812         return false;
5813
5814     uint8 *i_cell_n = (uint8 *)p_cookie;
5815     uint8 i_cell_num = data.p_private_data->GetBuffer()[3];
5816
5817     return (i_cell_num == *i_cell_n);
5818 }
5819
5820 bool matroska_script_codec_c::Enter()
5821 {
5822     bool f_result = false;
5823     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
5824     while ( index != enter_cmds.end() )
5825     {
5826         if ( (*index)->GetSize() )
5827         {
5828             msg_Dbg( &sys.demuxer, "Matroska Script enter command" );
5829             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
5830         }
5831         index++;
5832     }
5833     return f_result;
5834 }
5835
5836 bool matroska_script_codec_c::Leave()
5837 {
5838     bool f_result = false;
5839     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
5840     while ( index != leave_cmds.end() )
5841     {
5842         if ( (*index)->GetSize() )
5843         {
5844             msg_Dbg( &sys.demuxer, "Matroska Script leave command" );
5845             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
5846         }
5847         index++;
5848     }
5849     return f_result;
5850 }
5851
5852 // see http://www.matroska.org/technical/specs/chapters/index.html#mscript
5853 //  for a description of existing commands
5854 bool matroska_script_interpretor_c::Interpret( const binary * p_command, size_t i_size )
5855 {
5856     bool b_result = false;
5857
5858     char *psz_str = (char*) malloc( i_size + 1 );
5859     memcpy( psz_str, p_command, i_size );
5860     psz_str[ i_size ] = '\0';
5861
5862     std::string sz_command = psz_str;
5863     free( psz_str );
5864
5865     msg_Dbg( &sys.demuxer, "command : %s", sz_command.c_str() );
5866
5867 #if defined(__GNUC__) && (__GNUC__ < 3)
5868     if ( sz_command.compare( CMD_MS_GOTO_AND_PLAY, 0, CMD_MS_GOTO_AND_PLAY.size() ) == 0 )
5869 #else
5870     if ( sz_command.compare( 0, CMD_MS_GOTO_AND_PLAY.size(), CMD_MS_GOTO_AND_PLAY ) == 0 )
5871 #endif
5872     {
5873         size_t i,j;
5874
5875         // find the (
5876         for ( i=CMD_MS_GOTO_AND_PLAY.size(); i<sz_command.size(); i++)
5877         {
5878             if ( sz_command[i] == '(' )
5879             {
5880                 i++;
5881                 break;
5882             }
5883         }
5884         // find the )
5885         for ( j=i; j<sz_command.size(); j++)
5886         {
5887             if ( sz_command[j] == ')' )
5888             {
5889                 i--;
5890                 break;
5891             }
5892         }
5893
5894         std::string st = sz_command.substr( i+1, j-i-1 );
5895         int64_t i_chapter_uid = atoi( st.c_str() );
5896
5897         virtual_segment_c *p_segment;
5898         chapter_item_c *p_chapter = sys.FindChapter( i_chapter_uid, p_segment );
5899
5900         if ( p_chapter == NULL )
5901             msg_Dbg( &sys.demuxer, "Chapter "I64Fd" not found", i_chapter_uid);
5902         else
5903         {
5904             if ( !p_chapter->EnterAndLeave( sys.p_current_segment->CurrentChapter() ) )
5905                 p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5906             b_result = true;
5907         }
5908     }
5909
5910     return b_result;
5911 }
5912
5913 void demux_sys_t::SwapButtons()
5914 {
5915 #ifndef WORDS_BIGENDIAN
5916     uint8_t button, i, j;
5917
5918     for( button = 1; button <= pci_packet.hli.hl_gi.btn_ns; button++) {
5919         btni_t *button_ptr = &(pci_packet.hli.btnit[button-1]);
5920         binary *p_data = (binary*) button_ptr;
5921
5922         uint16 i_x_start = ((p_data[0] & 0x3F) << 4 ) + ( p_data[1] >> 4 );
5923         uint16 i_x_end   = ((p_data[1] & 0x03) << 8 ) + p_data[2];
5924         uint16 i_y_start = ((p_data[3] & 0x3F) << 4 ) + ( p_data[4] >> 4 );
5925         uint16 i_y_end   = ((p_data[4] & 0x03) << 8 ) + p_data[5];
5926         button_ptr->x_start = i_x_start;
5927         button_ptr->x_end   = i_x_end;
5928         button_ptr->y_start = i_y_start;
5929         button_ptr->y_end   = i_y_end;
5930
5931     }
5932     for ( i = 0; i<3; i++ )
5933     {
5934         for ( j = 0; j<2; j++ )
5935         {
5936             pci_packet.hli.btn_colit.btn_coli[i][j] = U32_AT( &pci_packet.hli.btn_colit.btn_coli[i][j] );
5937         }
5938     }
5939 #endif
5940 }