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

   1 /*****************************************************************************
   2  * mkv.cpp : matroska demuxer
   3  *****************************************************************************
   4  * Copyright (C) 2003-2004 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   8  *          Steve Lhomme <steve.lhomme@free.fr>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  23  *****************************************************************************/
  24
  25 /*****************************************************************************
  26  * Preamble
  27  *****************************************************************************/
  28 #include <stdlib.h>                                      /* malloc(), free() */
  29
  30 #include <vlc/vlc.h>
  31
  32 #ifdef HAVE_TIME_H
  33 #   include <time.h>                                               /* time() */
  34 #endif
  35
  36 #include <vlc/input.h>
  37
  38 #include <codecs.h>                        /* BITMAPINFOHEADER, WAVEFORMATEX */
  39 #include "iso_lang.h"
  40 #include "vlc_meta.h"
  41
  42 #include <iostream>
  43 #include <cassert>
  44 #include <typeinfo>
  45 #include <string>
  46 #include <vector>
  47 #include <algorithm>
  48
  49 #ifdef HAVE_DIRENT_H
  50 #   include <dirent.h>
  51 #endif
  52
  53 /* libebml and matroska */
  54 #include "ebml/EbmlHead.h"
  55 #include "ebml/EbmlSubHead.h"
  56 #include "ebml/EbmlStream.h"
  57 #include "ebml/EbmlContexts.h"
  58 #include "ebml/EbmlVoid.h"
  59 #include "ebml/EbmlVersion.h"
  60 #include "ebml/StdIOCallback.h"
  61
  62 #include "matroska/KaxAttachments.h"
  63 #include "matroska/KaxBlock.h"
  64 #include "matroska/KaxBlockData.h"
  65 #include "matroska/KaxChapters.h"
  66 #include "matroska/KaxCluster.h"
  67 #include "matroska/KaxClusterData.h"
  68 #include "matroska/KaxContexts.h"
  69 #include "matroska/KaxCues.h"
  70 #include "matroska/KaxCuesData.h"
  71 #include "matroska/KaxInfo.h"
  72 #include "matroska/KaxInfoData.h"
  73 #include "matroska/KaxSeekHead.h"
  74 #include "matroska/KaxSegment.h"
  75 #include "matroska/KaxTag.h"
  76 #include "matroska/KaxTags.h"
  77 #include "matroska/KaxTagMulti.h"
  78 #include "matroska/KaxTracks.h"
  79 #include "matroska/KaxTrackAudio.h"
  80 #include "matroska/KaxTrackVideo.h"
  81 #include "matroska/KaxTrackEntryData.h"
  82 #include "matroska/KaxContentEncoding.h"
  83 #include "matroska/KaxVersion.h"
  84
  85 #include "ebml/StdIOCallback.h"
  86
  87 #include "vlc_keys.h"
  88
  89 extern "C" {
  90    #include "mp4/libmp4.h"
  91 }
  92 #ifdef HAVE_ZLIB_H
  93 #   include <zlib.h>
  94 #endif
  95
  96 #define MATROSKA_COMPRESSION_NONE 0
  97 #define MATROSKA_COMPRESSION_ZLIB 1
  98
  99 #define MKVD_TIMECODESCALE 1000000
 100
 101 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 102 #undef ATTRIBUTE_PACKED
 103 #undef PRAGMA_PACK_BEGIN
 104 #undef PRAGMA_PACK_END
 105
 106 #if defined(__GNUC__)
 107 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)
 108 #define ATTRIBUTE_PACKED __attribute__ ((packed))
 109 #define PRAGMA_PACK 0
 110 #endif
 111 #endif
 112
 113 #if !defined(ATTRIBUTE_PACKED)
 114 #define ATTRIBUTE_PACKED
 115 #define PRAGMA_PACK 1
 116 #endif
 117
 118 #if PRAGMA_PACK
 119 #pragma pack(1)
 120 #endif
 121
 122 /*************************************
 123 *  taken from libdvdnav / libdvdread
 124 **************************************/
 125
 126 /**
 127  * DVD Time Information.
 128  */
 129 typedef struct {
 130   uint8_t hour;
 131   uint8_t minute;
 132   uint8_t second;
 133   uint8_t frame_u; /* The two high bits are the frame rate. */
 134 } ATTRIBUTE_PACKED dvd_time_t;
 135
 136 /**
 137  * User Operations.
 138  */
 139 typedef struct {
 140 #ifdef WORDS_BIGENDIAN
 141   unsigned char zero                           : 7; /* 25-31 */
 142   unsigned char video_pres_mode_change         : 1; /* 24 */
 143
 144   unsigned char karaoke_audio_pres_mode_change : 1; /* 23 */
 145   unsigned char angle_change                   : 1;
 146   unsigned char subpic_stream_change           : 1;
 147   unsigned char audio_stream_change            : 1;
 148   unsigned char pause_on                       : 1;
 149   unsigned char still_off                      : 1;
 150   unsigned char button_select_or_activate      : 1;
 151   unsigned char resume                         : 1; /* 16 */
 152
 153   unsigned char chapter_menu_call              : 1; /* 15 */
 154   unsigned char angle_menu_call                : 1;
 155   unsigned char audio_menu_call                : 1;
 156   unsigned char subpic_menu_call               : 1;
 157   unsigned char root_menu_call                 : 1;
 158   unsigned char title_menu_call                : 1;
 159   unsigned char backward_scan                  : 1;
 160   unsigned char forward_scan                   : 1; /* 8 */
 161
 162   unsigned char next_pg_search                 : 1; /* 7 */
 163   unsigned char prev_or_top_pg_search          : 1;
 164   unsigned char time_or_chapter_search         : 1;
 165   unsigned char go_up                          : 1;
 166   unsigned char stop                           : 1;
 167   unsigned char title_play                     : 1;
 168   unsigned char chapter_search_or_play         : 1;
 169   unsigned char title_or_time_play             : 1; /* 0 */
 170 #else
 171   unsigned char video_pres_mode_change         : 1; /* 24 */
 172   unsigned char zero                           : 7; /* 25-31 */
 173
 174   unsigned char resume                         : 1; /* 16 */
 175   unsigned char button_select_or_activate      : 1;
 176   unsigned char still_off                      : 1;
 177   unsigned char pause_on                       : 1;
 178   unsigned char audio_stream_change            : 1;
 179   unsigned char subpic_stream_change           : 1;
 180   unsigned char angle_change                   : 1;
 181   unsigned char karaoke_audio_pres_mode_change : 1; /* 23 */
 182
 183   unsigned char forward_scan                   : 1; /* 8 */
 184   unsigned char backward_scan                  : 1;
 185   unsigned char title_menu_call                : 1;
 186   unsigned char root_menu_call                 : 1;
 187   unsigned char subpic_menu_call               : 1;
 188   unsigned char audio_menu_call                : 1;
 189   unsigned char angle_menu_call                : 1;
 190   unsigned char chapter_menu_call              : 1; /* 15 */
 191
 192   unsigned char title_or_time_play             : 1; /* 0 */
 193   unsigned char chapter_search_or_play         : 1;
 194   unsigned char title_play                     : 1;
 195   unsigned char stop                           : 1;
 196   unsigned char go_up                          : 1;
 197   unsigned char time_or_chapter_search         : 1;
 198   unsigned char prev_or_top_pg_search          : 1;
 199   unsigned char next_pg_search                 : 1; /* 7 */
 200 #endif
 201 } ATTRIBUTE_PACKED user_ops_t;
 202
 203 /**
 204  * Type to store per-command data.
 205  */
 206 typedef struct {
 207   uint8_t bytes[8];
 208 } ATTRIBUTE_PACKED vm_cmd_t;
 209 #define COMMAND_DATA_SIZE 8
 210
 211 /**
 212  * PCI General Information
 213  */
 214 typedef struct {
 215   uint32_t nv_pck_lbn;      /**< sector address of this nav pack */
 216   uint16_t vobu_cat;        /**< 'category' of vobu */
 217   uint16_t zero1;           /**< reserved */
 218   user_ops_t vobu_uop_ctl;  /**< UOP of vobu */
 219   uint32_t vobu_s_ptm;      /**< start presentation time of vobu */
 220   uint32_t vobu_e_ptm;      /**< end presentation time of vobu */
 221   uint32_t vobu_se_e_ptm;   /**< end ptm of sequence end in vobu */
 222   dvd_time_t e_eltm;        /**< Cell elapsed time */
 223   char vobu_isrc[32];
 224 } ATTRIBUTE_PACKED pci_gi_t;
 225
 226 /**
 227  * Non Seamless Angle Information
 228  */
 229 typedef struct {
 230   uint32_t nsml_agl_dsta[9];  /**< address of destination vobu in AGL_C#n */
 231 } ATTRIBUTE_PACKED nsml_agli_t;
 232
 233 /**
 234  * Highlight General Information
 235  *
 236  * For btngrX_dsp_ty the bits have the following meaning:
 237  * 000b: normal 4/3 only buttons
 238  * XX1b: wide (16/9) buttons
 239  * X1Xb: letterbox buttons
 240  * 1XXb: pan&scan buttons
 241  */
 242 typedef struct {
 243   uint16_t hli_ss; /**< status, only low 2 bits 0: no buttons, 1: different 2: equal 3: eual except for button cmds */
 244   uint32_t hli_s_ptm;              /**< start ptm of hli */
 245   uint32_t hli_e_ptm;              /**< end ptm of hli */
 246   uint32_t btn_se_e_ptm;           /**< end ptm of button select */
 247 #ifdef WORDS_BIGENDIAN
 248   unsigned char zero1 : 2;          /**< reserved */
 249   unsigned char btngr_ns : 2;       /**< number of button groups 1, 2 or 3 with 36/18/12 buttons */
 250   unsigned char zero2 : 1;          /**< reserved */
 251   unsigned char btngr1_dsp_ty : 3;  /**< display type of subpic stream for button group 1 */
 252   unsigned char zero3 : 1;          /**< reserved */
 253   unsigned char btngr2_dsp_ty : 3;  /**< display type of subpic stream for button group 2 */
 254   unsigned char zero4 : 1;          /**< reserved */
 255   unsigned char btngr3_dsp_ty : 3;  /**< display type of subpic stream for button group 3 */
 256 #else
 257   unsigned char btngr1_dsp_ty : 3;
 258   unsigned char zero2 : 1;
 259   unsigned char btngr_ns : 2;
 260   unsigned char zero1 : 2;
 261   unsigned char btngr3_dsp_ty : 3;
 262   unsigned char zero4 : 1;
 263   unsigned char btngr2_dsp_ty : 3;
 264   unsigned char zero3 : 1;
 265 #endif
 266   uint8_t btn_ofn;     /**< button offset number range 0-255 */
 267   uint8_t btn_ns;      /**< number of valid buttons  <= 36/18/12 (low 6 bits) */
 268   uint8_t nsl_btn_ns;  /**< number of buttons selectable by U_BTNNi (low 6 bits)   nsl_btn_ns <= btn_ns */
 269   uint8_t zero5;       /**< reserved */
 270   uint8_t fosl_btnn;   /**< forcedly selected button  (low 6 bits) */
 271   uint8_t foac_btnn;   /**< forcedly activated button (low 6 bits) */
 272 } ATTRIBUTE_PACKED hl_gi_t;
 273
 274
 275 /**
 276  * Button Color Information Table
 277  * Each entry beeing a 32bit word that contains the color indexs and alpha
 278  * values to use.  They are all represented by 4 bit number and stored
 279  * like this [Ci3, Ci2, Ci1, Ci0, A3, A2, A1, A0].   The actual palette
 280  * that the indexes reference is in the PGC.
 281  * @TODO split the uint32_t into a struct
 282  */
 283 typedef struct {
 284   uint32_t btn_coli[3][2];  /**< [button color number-1][select:0/action:1] */
 285 } ATTRIBUTE_PACKED btn_colit_t;
 286
 287 /**
 288  * Button Information
 289  *
 290  * NOTE: I've had to change the structure from the disk layout to get
 291  * the packing to work with Sun's Forte C compiler.
 292  * The 4 and 7 bytes are 'rotated' was: ABC DEF GHIJ  is: ABCG DEFH IJ
 293  */
 294 typedef struct {
 295 #ifdef WORDS_BIGENDIAN
 296   uint32        btn_coln         : 2;  /**< button color number */
 297   uint32        x_start          : 10; /**< x start offset within the overlay */
 298   uint32        zero1            : 2;  /**< reserved */
 299   uint32        x_end            : 10; /**< x end offset within the overlay */
 300
 301   uint32        zero3            : 2;  /**< reserved */
 302   uint32        up               : 6;  /**< button index when pressing up */
 303
 304   uint32        auto_action_mode : 2;  /**< 0: no, 1: activated if selected */
 305   uint32        y_start          : 10; /**< y start offset within the overlay */
 306   uint32        zero2            : 2;  /**< reserved */
 307   uint32        y_end            : 10; /**< y end offset within the overlay */
 308
 309   uint32        zero4            : 2;  /**< reserved */
 310   uint32        down             : 6;  /**< button index when pressing down */
 311   unsigned char zero5            : 2;  /**< reserved */
 312   unsigned char left             : 6;  /**< button index when pressing left */
 313   unsigned char zero6            : 2;  /**< reserved */
 314   unsigned char right            : 6;  /**< button index when pressing right */
 315 #else
 316   uint32        x_end            : 10;
 317   uint32        zero1            : 2;
 318   uint32        x_start          : 10;
 319   uint32        btn_coln         : 2;
 320
 321   uint32        up               : 6;
 322   uint32        zero3            : 2;
 323
 324   uint32        y_end            : 10;
 325   uint32        zero2            : 2;
 326   uint32        y_start          : 10;
 327   uint32        auto_action_mode : 2;
 328
 329   uint32        down             : 6;
 330   uint32        zero4            : 2;
 331   unsigned char left             : 6;
 332   unsigned char zero5            : 2;
 333   unsigned char right            : 6;
 334   unsigned char zero6            : 2;
 335 #endif
 336   vm_cmd_t cmd;
 337 } ATTRIBUTE_PACKED btni_t;
 338
 339 /**
 340  * Highlight Information
 341  */
 342 typedef struct {
 343   hl_gi_t     hl_gi;
 344   btn_colit_t btn_colit;
 345   btni_t      btnit[36];
 346 } ATTRIBUTE_PACKED hli_t;
 347
 348 /**
 349  * PCI packet
 350  */
 351 typedef struct {
 352   pci_gi_t    pci_gi;
 353   nsml_agli_t nsml_agli;
 354   hli_t       hli;
 355   uint8_t     zero1[189];
 356 } ATTRIBUTE_PACKED pci_t;
 357
 358
 359 #if PRAGMA_PACK
 360 #pragma pack()
 361 #endif
 362 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 363
 364
 365 /**
 366  * What's between a directory and a filename?
 367  */
 368 #if defined( WIN32 )
 369     #define DIRECTORY_SEPARATOR '\\'
 370 #else
 371     #define DIRECTORY_SEPARATOR '/'
 372 #endif
 373
 374 using namespace LIBMATROSKA_NAMESPACE;
 375 using namespace std;
 376
 377 /*****************************************************************************
 378  * Module descriptor
 379  *****************************************************************************/
 380 static int  Open ( vlc_object_t * );
 381 static void Close( vlc_object_t * );
 382
 383 vlc_module_begin();
 384     set_shortname( "Matroska" );
 385     set_description( _("Matroska stream demuxer" ) );
 386     set_capability( "demux2", 50 );
 387     set_callbacks( Open, Close );
 388     set_category( CAT_INPUT );
 389     set_subcategory( SUBCAT_INPUT_DEMUX );
 390
 391     add_bool( "mkv-use-ordered-chapters", 1, NULL,
 392             N_("Ordered chapters"),
 393             N_("Play ordered chapters as specified in the segment."), VLC_TRUE );
 394
 395     add_bool( "mkv-use-chapter-codec", 1, NULL,
 396             N_("Chapter codecs"),
 397             N_("Use chapter codecs found in the segment."), VLC_TRUE );
 398
 399     add_bool( "mkv-seek-percent", 0, NULL,
 400             N_("Seek based on percent not time."),
 401             N_("Seek based on percent not time."), VLC_TRUE );
 402
 403     add_bool( "mkv-use-dummy", 0, NULL,
 404             N_("Dummy Elements"),
 405             N_("Read and discard unknown EBML elements (not good for broken files)."), VLC_TRUE );
 406
 407     add_shortcut( "mka" );
 408     add_shortcut( "mkv" );
 409 vlc_module_end();
 410
 411 /*****************************************************************************
 412  * Local prototypes
 413  *****************************************************************************/
 414 #ifdef HAVE_ZLIB_H
 415 block_t *block_zlib_decompress( vlc_object_t *p_this, block_t *p_in_block ) {
 416     int result, dstsize, n;
 417     unsigned char *dst;
 418     block_t *p_block;
 419     z_stream d_stream;
 420
 421     d_stream.zalloc = (alloc_func)0;
 422     d_stream.zfree = (free_func)0;
 423     d_stream.opaque = (voidpf)0;
 424     result = inflateInit(&d_stream);
 425     if( result != Z_OK )
 426     {
 427         msg_Dbg( p_this, "inflateInit() failed. Result: %d", result );
 428         return NULL;
 429     }
 430
 431     d_stream.next_in = (Bytef *)p_in_block->p_buffer;
 432     d_stream.avail_in = p_in_block->i_buffer;
 433     n = 0;
 434     p_block = block_New( p_this, 0 );
 435     dst = NULL;
 436     do
 437     {
 438         n++;
 439         p_block = block_Realloc( p_block, 0, n * 1000 );
 440         dst = (unsigned char *)p_block->p_buffer;
 441         d_stream.next_out = (Bytef *)&dst[(n - 1) * 1000];
 442         d_stream.avail_out = 1000;
 443         result = inflate(&d_stream, Z_NO_FLUSH);
 444         if( ( result != Z_OK ) && ( result != Z_STREAM_END ) )
 445         {
 446             msg_Dbg( p_this, "Zlib decompression failed. Result: %d", result );
 447             return NULL;
 448         }
 449     }
 450     while( ( d_stream.avail_out == 0 ) && ( d_stream.avail_in != 0 ) &&
 451            ( result != Z_STREAM_END ) );
 452
 453     dstsize = d_stream.total_out;
 454     inflateEnd( &d_stream );
 455
 456     p_block = block_Realloc( p_block, 0, dstsize );
 457     p_block->i_buffer = dstsize;
 458     block_Release( p_in_block );
 459
 460     return p_block;
 461 }
 462 #endif
 463
 464 /**
 465  * Helper function to print the mkv parse tree
 466  */
 467 static void MkvTree( demux_t & demuxer, int i_level, char *psz_format, ... )
 468 {
 469     va_list args;
 470     if( i_level > 9 )
 471     {
 472         msg_Err( &demuxer, "too deep tree" );
 473         return;
 474     }
 475     va_start( args, psz_format );
 476     static char *psz_foo = "|   |   |   |   |   |   |   |   |   |";
 477     char *psz_foo2 = (char*)malloc( ( i_level * 4 + 3 + strlen( psz_format ) ) * sizeof(char) );
 478     strncpy( psz_foo2, psz_foo, 4 * i_level );
 479     psz_foo2[ 4 * i_level ] = '+';
 480     psz_foo2[ 4 * i_level + 1 ] = ' ';
 481     strcpy( &psz_foo2[ 4 * i_level + 2 ], psz_format );
 482     __msg_GenericVa( VLC_OBJECT(&demuxer), VLC_MSG_DBG, "mkv", psz_foo2, args );
 483     free( psz_foo2 );
 484     va_end( args );
 485 }
 486
 487 /*****************************************************************************
 488  * Stream managment
 489  *****************************************************************************/
 490 class vlc_stream_io_callback: public IOCallback
 491 {
 492   private:
 493     stream_t       *s;
 494     vlc_bool_t     mb_eof;
 495     vlc_bool_t     b_owner;
 496
 497   public:
 498     vlc_stream_io_callback( stream_t *, vlc_bool_t );
 499
 500     virtual ~vlc_stream_io_callback()
 501     {
 502         if( b_owner )
 503             stream_Delete( s );
 504     }
 505
 506     virtual uint32   read            ( void *p_buffer, size_t i_size);
 507     virtual void     setFilePointer  ( int64_t i_offset, seek_mode mode = seek_beginning );
 508     virtual size_t   write           ( const void *p_buffer, size_t i_size);
 509     virtual uint64   getFilePointer  ( void );
 510     virtual void     close           ( void );
 511 };
 512
 513 /*****************************************************************************
 514  * Ebml Stream parser
 515  *****************************************************************************/
 516 class EbmlParser
 517 {
 518   public:
 519     EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux );
 520     virtual ~EbmlParser( void );
 521
 522     void Up( void );
 523     void Down( void );
 524     void Reset( demux_t *p_demux );
 525     EbmlElement *Get( void );
 526     void        Keep( void );
 527     EbmlElement *UnGet( uint64 i_block_pos, uint64 i_cluster_pos );
 528
 529     int GetLevel( void );
 530
 531   private:
 532     EbmlStream  *m_es;
 533     int         mi_level;
 534     EbmlElement *m_el[10];
 535     int64_t      mi_remain_size[10];
 536
 537     EbmlElement *m_got;
 538
 539     int         mi_user_level;
 540     vlc_bool_t  mb_keep;
 541     vlc_bool_t  mb_dummy;
 542 };
 543
 544
 545 /*****************************************************************************
 546  * Some functions to manipulate memory
 547  *****************************************************************************/
 548 #define GetFOURCC( p )  __GetFOURCC( (uint8_t*)p )
 549 static vlc_fourcc_t __GetFOURCC( uint8_t *p )
 550 {
 551     return VLC_FOURCC( p[0], p[1], p[2], p[3] );
 552 }
 553
 554 /*****************************************************************************
 555  * definitions of structures and functions used by this plugins
 556  *****************************************************************************/
 557 typedef struct
 558 {
 559     vlc_bool_t   b_default;
 560     vlc_bool_t   b_enabled;
 561     unsigned int i_number;
 562
 563     int          i_extra_data;
 564     uint8_t      *p_extra_data;
 565
 566     char         *psz_codec;
 567
 568     uint64_t     i_default_duration;
 569     float        f_timecodescale;
 570
 571     /* video */
 572     es_format_t fmt;
 573     float       f_fps;
 574     es_out_id_t *p_es;
 575
 576     vlc_bool_t      b_inited;
 577     /* data to be send first */
 578     int             i_data_init;
 579     uint8_t         *p_data_init;
 580
 581     /* hack : it's for seek */
 582     vlc_bool_t      b_search_keyframe;
 583     vlc_bool_t      b_silent;
 584
 585     /* informative */
 586     char         *psz_codec_name;
 587     char         *psz_codec_settings;
 588     char         *psz_codec_info_url;
 589     char         *psz_codec_download_url;
 590
 591     /* encryption/compression */
 592     int           i_compression_type;
 593
 594 } mkv_track_t;
 595
 596 typedef struct
 597 {
 598     int     i_track;
 599     int     i_block_number;
 600
 601     int64_t i_position;
 602     int64_t i_time;
 603
 604     vlc_bool_t b_key;
 605 } mkv_index_t;
 606
 607 class demux_sys_t;
 608
 609 const binary MATROSKA_DVD_LEVEL_SS   = 0x30;
 610 const binary MATROSKA_DVD_LEVEL_LU   = 0x2A;
 611 const binary MATROSKA_DVD_LEVEL_TT   = 0x28;
 612 const binary MATROSKA_DVD_LEVEL_PGC  = 0x20;
 613 const binary MATROSKA_DVD_LEVEL_PG   = 0x18;
 614 const binary MATROSKA_DVD_LEVEL_PTT  = 0x10;
 615 const binary MATROSKA_DVD_LEVEL_CN   = 0x08;
 616
 617 class chapter_codec_cmds_c
 618 {
 619 public:
 620     chapter_codec_cmds_c( demux_sys_t & demuxer, int codec_id = -1)
 621     :p_private_data(NULL)
 622     ,i_codec_id( codec_id )
 623     ,sys( demuxer )
 624     {}
 625
 626     virtual ~chapter_codec_cmds_c()
 627     {
 628         delete p_private_data;
 629         std::vector<KaxChapterProcessData*>::iterator indexe = enter_cmds.begin();
 630         while ( indexe != enter_cmds.end() )
 631         {
 632             delete (*indexe);
 633             indexe++;
 634         }
 635         std::vector<KaxChapterProcessData*>::iterator indexl = leave_cmds.begin();
 636         while ( indexl != leave_cmds.end() )
 637         {
 638             delete (*indexl);
 639             indexl++;
 640         }
 641         std::vector<KaxChapterProcessData*>::iterator indexd = during_cmds.begin();
 642         while ( indexd != during_cmds.end() )
 643         {
 644             delete (*indexd);
 645             indexd++;
 646         }
 647     }
 648
 649     void SetPrivate( const KaxChapterProcessPrivate & private_data )
 650     {
 651         p_private_data = new KaxChapterProcessPrivate( private_data );
 652     }
 653
 654     void AddCommand( const KaxChapterProcessCommand & command );
 655
 656     /// \return wether the codec has seeked in the files or not
 657     virtual bool Enter() { return false; }
 658     virtual bool Leave() { return false; }
 659     virtual std::string GetCodecName( bool f_for_title = false ) const { return ""; }
 660     virtual int16 GetTitleNumber() { return -1; }
 661
 662     KaxChapterProcessPrivate *p_private_data;
 663
 664 protected:
 665     std::vector<KaxChapterProcessData*> enter_cmds;
 666     std::vector<KaxChapterProcessData*> during_cmds;
 667     std::vector<KaxChapterProcessData*> leave_cmds;
 668
 669     int i_codec_id;
 670     demux_sys_t & sys;
 671 };
 672
 673 class dvd_command_interpretor_c
 674 {
 675 public:
 676     dvd_command_interpretor_c( demux_sys_t & demuxer )
 677     :sys( demuxer )
 678     {
 679         memset( p_PRMs, 0, sizeof(p_PRMs) );
 680         p_PRMs[ 0x80 + 1 ] = 15;
 681         p_PRMs[ 0x80 + 2 ] = 62;
 682         p_PRMs[ 0x80 + 3 ] = 1;
 683         p_PRMs[ 0x80 + 4 ] = 1;
 684         p_PRMs[ 0x80 + 7 ] = 1;
 685         p_PRMs[ 0x80 + 8 ] = 1;
 686         p_PRMs[ 0x80 + 16 ] = 0xFFFFu;
 687         p_PRMs[ 0x80 + 18 ] = 0xFFFFu;
 688     }
 689
 690     bool Interpret( const binary * p_command, size_t i_size = 8 );
 691
 692     uint16 GetPRM( size_t index ) const
 693     {
 694         if ( index < 256 )
 695             return p_PRMs[ index ];
 696         else return 0;
 697     }
 698
 699     uint16 GetGPRM( size_t index ) const
 700     {
 701         if ( index >= 0 && index < 16 )
 702             return p_PRMs[ index ];
 703         else return 0;
 704     }
 705
 706     uint16 GetSPRM( size_t index ) const
 707     {
 708         // 21,22,23 reserved for future use
 709         if ( index >= 0x80 && index < 0x95 )
 710             return p_PRMs[ index ];
 711         else return 0;
 712     }
 713
 714     bool SetPRM( size_t index, uint16 value )
 715     {
 716         if ( index >= 0 && index < 16 )
 717         {
 718             p_PRMs[ index ] = value;
 719             return true;
 720         }
 721         return false;
 722     }
 723
 724     bool SetGPRM( size_t index, uint16 value )
 725     {
 726         if ( index >= 0 && index < 16 )
 727         {
 728             p_PRMs[ index ] = value;
 729             return true;
 730         }
 731         return false;
 732     }
 733
 734     bool SetSPRM( size_t index, uint16 value )
 735     {
 736         if ( index > 0x80 && index <= 0x8D && index != 0x8C )
 737         {
 738             p_PRMs[ index ] = value;
 739             return true;
 740         }
 741         return false;
 742     }
 743
 744 protected:
 745     std::string GetRegTypeName( bool b_value, uint16 value ) const
 746     {
 747         std::string result;
 748         char s_value[6], s_reg_value[6];
 749         sprintf( s_value, "%.5d", value );
 750
 751         if ( b_value )
 752         {
 753             result = "value (";
 754             result += s_value;
 755             result += ")";
 756         }
 757         else if ( value < 0x80 )
 758         {
 759             sprintf( s_reg_value, "%.5d", GetPRM( value ) );
 760             result = "GPreg[";
 761             result += s_value;
 762             result += "] (";
 763             result += s_reg_value;
 764             result += ")";
 765         }
 766         else
 767         {
 768             sprintf( s_reg_value, "%.5d", GetPRM( value ) );
 769             result = "SPreg[";
 770             result += s_value;
 771             result += "] (";
 772             result += s_reg_value;
 773             result += ")";
 774         }
 775         return result;
 776     }
 777
 778     uint16       p_PRMs[256];
 779     demux_sys_t  & sys;
 780
 781     // DVD command IDs
 782
 783     // Tests
 784     // wether it's a comparison on the value or register
 785     static const uint16 CMD_DVD_TEST_VALUE          = 0x80;
 786     static const uint16 CMD_DVD_IF_GPREG_AND        = (1 << 4);
 787     static const uint16 CMD_DVD_IF_GPREG_EQUAL      = (2 << 4);
 788     static const uint16 CMD_DVD_IF_GPREG_NOT_EQUAL  = (3 << 4);
 789     static const uint16 CMD_DVD_IF_GPREG_SUP_EQUAL  = (4 << 4);
 790     static const uint16 CMD_DVD_IF_GPREG_SUP        = (5 << 4);
 791     static const uint16 CMD_DVD_IF_GPREG_INF_EQUAL  = (6 << 4);
 792     static const uint16 CMD_DVD_IF_GPREG_INF        = (7 << 4);
 793
 794     static const uint16 CMD_DVD_NOP                    = 0x0000;
 795     static const uint16 CMD_DVD_GOTO_LINE              = 0x0001;
 796     static const uint16 CMD_DVD_BREAK                  = 0x0002;
 797     // Links
 798     static const uint16 CMD_DVD_NOP2                   = 0x2001;
 799     static const uint16 CMD_DVD_LINKPGCN               = 0x2004;
 800     static const uint16 CMD_DVD_LINKPGN                = 0x2006;
 801     static const uint16 CMD_DVD_LINKCN                 = 0x2007;
 802     static const uint16 CMD_DVD_JUMP_TT                = 0x3002;
 803     static const uint16 CMD_DVD_JUMPVTS_TT             = 0x3003;
 804     static const uint16 CMD_DVD_JUMPVTS_PTT            = 0x3005;
 805     static const uint16 CMD_DVD_JUMP_SS                = 0x3006;
 806     static const uint16 CMD_DVD_CALLSS_VTSM1           = 0x3008;
 807     //
 808     static const uint16 CMD_DVD_SET_HL_BTNN2           = 0x4600;
 809     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN1  = 0x4604;
 810     static const uint16 CMD_DVD_SET_STREAM             = 0x5100;
 811     static const uint16 CMD_DVD_SET_GPRMMD             = 0x5300;
 812     static const uint16 CMD_DVD_SET_HL_BTNN1           = 0x5600;
 813     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN2  = 0x5604;
 814     static const uint16 CMD_DVD_SET_HL_BTNN_LINKCN     = 0x5607;
 815     // Operations
 816     static const uint16 CMD_DVD_MOV_SPREG_PREG         = 0x6100;
 817     static const uint16 CMD_DVD_GPREG_MOV_VALUE        = 0x7100;
 818     static const uint16 CMD_DVD_SUB_GPREG              = 0x7400;
 819     static const uint16 CMD_DVD_MULT_GPREG             = 0x7500;
 820     static const uint16 CMD_DVD_GPREG_DIV_VALUE        = 0x7600;
 821     static const uint16 CMD_DVD_GPREG_AND_VALUE        = 0x7900;
 822
 823     // callbacks when browsing inside CodecPrivate
 824     static bool MatchIsDomain     ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 825     static bool MatchIsVMG        ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 826     static bool MatchVTSNumber    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 827     static bool MatchVTSMNumber   ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 828     static bool MatchTitleNumber  ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 829     static bool MatchPgcType      ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 830     static bool MatchPgcNumber    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 831     static bool MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 832     static bool MatchCellNumber   ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 833 };
 834
 835 class dvd_chapter_codec_c : public chapter_codec_cmds_c
 836 {
 837 public:
 838     dvd_chapter_codec_c( demux_sys_t & sys )
 839     :chapter_codec_cmds_c( sys, 1 )
 840     {}
 841
 842     bool Enter();
 843     bool Leave();
 844     std::string GetCodecName( bool f_for_title = false ) const;
 845     int16 GetTitleNumber();
 846 };
 847
 848 class matroska_script_interpretor_c
 849 {
 850 public:
 851     matroska_script_interpretor_c( demux_sys_t & demuxer )
 852     :sys( demuxer )
 853     {}
 854
 855     bool Interpret( const binary * p_command, size_t i_size );
 856
 857     // DVD command IDs
 858     static const std::string CMD_MS_GOTO_AND_PLAY;
 859
 860 protected:
 861     demux_sys_t  & sys;
 862 };
 863
 864 const std::string matroska_script_interpretor_c::CMD_MS_GOTO_AND_PLAY = "GotoAndPlay";
 865
 866
 867 class matroska_script_codec_c : public chapter_codec_cmds_c
 868 {
 869 public:
 870     matroska_script_codec_c( demux_sys_t & sys )
 871     :chapter_codec_cmds_c( sys, 0 )
 872     ,interpretor( sys )
 873     {}
 874
 875     bool Enter();
 876     bool Leave();
 877
 878 protected:
 879     matroska_script_interpretor_c interpretor;
 880 };
 881
 882 class chapter_translation_c
 883 {
 884 public:
 885     chapter_translation_c()
 886         :p_translated(NULL)
 887     {}
 888
 889     ~chapter_translation_c()
 890     {
 891         delete p_translated;
 892     }
 893
 894     KaxChapterTranslateID  *p_translated;
 895     unsigned int           codec_id;
 896     std::vector<uint64_t>  editions;
 897 };
 898
 899 class chapter_item_c
 900 {
 901 public:
 902     chapter_item_c()
 903     :i_start_time(0)
 904     ,i_end_time(-1)
 905     ,i_user_start_time(-1)
 906     ,i_user_end_time(-1)
 907     ,i_seekpoint_num(-1)
 908     ,b_display_seekpoint(true)
 909     ,b_user_display(false)
 910     ,psz_parent(NULL)
 911     ,b_is_leaving(false)
 912     {}
 913
 914     virtual ~chapter_item_c()
 915     {
 916         std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
 917         while ( index != codecs.end() )
 918         {
 919             delete (*index);
 920             index++;
 921         }
 922         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
 923         while ( index_ != sub_chapters.end() )
 924         {
 925             delete (*index_);
 926             index_++;
 927         }
 928     }
 929
 930     int64_t RefreshChapters( bool b_ordered, int64_t i_prev_user_time );
 931     int PublishChapters( input_title_t & title, int & i_user_chapters, int i_level = 0 );
 932     virtual chapter_item_c * FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current, bool & b_found );
 933     void Append( const chapter_item_c & edition );
 934     chapter_item_c * FindChapter( int64_t i_find_uid );
 935     virtual chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
 936                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
 937                                     const void *p_cookie,
 938                                     size_t i_cookie_size );
 939     std::string                 GetCodecName( bool f_for_title = false ) const;
 940     bool                        ParentOf( const chapter_item_c & item ) const;
 941     int16                       GetTitleNumber( ) const;
 942
 943     int64_t                     i_start_time, i_end_time;
 944     int64_t                     i_user_start_time, i_user_end_time; /* the time in the stream when an edition is ordered */
 945     std::vector<chapter_item_c*> sub_chapters;
 946     int                         i_seekpoint_num;
 947     int64_t                     i_uid;
 948     bool                        b_display_seekpoint;
 949     bool                        b_user_display;
 950     std::string                 psz_name;
 951     chapter_item_c              *psz_parent;
 952     bool                        b_is_leaving;
 953
 954     std::vector<chapter_codec_cmds_c*> codecs;
 955
 956     static bool CompareTimecode( const chapter_item_c * & itemA, const chapter_item_c * & itemB )
 957     {
 958         return ( itemA->i_user_start_time < itemB->i_user_start_time || (itemA->i_user_start_time == itemB->i_user_start_time && itemA->i_user_end_time < itemB->i_user_end_time) );
 959     }
 960
 961     bool Enter( bool b_do_subchapters );
 962     bool Leave( bool b_do_subchapters );
 963     bool EnterAndLeave( chapter_item_c *p_item, bool b_enter = true );
 964 };
 965
 966 class chapter_edition_c : public chapter_item_c
 967 {
 968 public:
 969     chapter_edition_c()
 970     :b_ordered(false)
 971     {}
 972
 973     void RefreshChapters( );
 974     mtime_t Duration() const;
 975     std::string GetMainName() const;
 976     chapter_item_c * FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current );
 977
 978     bool                        b_ordered;
 979 };
 980
 981 class matroska_segment_c
 982 {
 983 public:
 984     matroska_segment_c( demux_sys_t & demuxer, EbmlStream & estream )
 985         :segment(NULL)
 986         ,es(estream)
 987         ,i_timescale(MKVD_TIMECODESCALE)
 988         ,i_duration(-1)
 989         ,i_start_time(0)
 990         ,i_cues_position(-1)
 991         ,i_chapters_position(-1)
 992         ,i_tags_position(-1)
 993         ,cluster(NULL)
 994         ,i_block_pos(0)
 995         ,i_cluster_pos(0)
 996         ,i_start_pos(0)
 997         ,p_segment_uid(NULL)
 998         ,p_prev_segment_uid(NULL)
 999         ,p_next_segment_uid(NULL)
1000         ,b_cues(VLC_FALSE)
1001         ,i_index(0)
1002         ,i_index_max(1024)
1003         ,psz_muxing_application(NULL)
1004         ,psz_writing_application(NULL)
1005         ,psz_segment_filename(NULL)
1006         ,psz_title(NULL)
1007         ,psz_date_utc(NULL)
1008         ,i_default_edition(0)
1009         ,sys(demuxer)
1010         ,ep(NULL)
1011         ,b_preloaded(false)
1012     {
1013         p_indexes = (mkv_index_t*)malloc( sizeof( mkv_index_t ) * i_index_max );
1014     }
1015
1016     virtual ~matroska_segment_c()
1017     {
1018         for( size_t i_track = 0; i_track < tracks.size(); i_track++ )
1019         {
1020             if( tracks[i_track]->fmt.psz_description )
1021             {
1022                 free( tracks[i_track]->fmt.psz_description );
1023             }
1024 /*            if( tracks[i_track]->psz_codec )
1025             {
1026                 free( tracks[i_track]->psz_codec );
1027             }
1028             if( tracks[i_track]->fmt.psz_language )
1029             {
1030                 free( tracks[i_track]->fmt.psz_language );
1031             }*/
1032             delete tracks[i_track];
1033         }
1034
1035         if( psz_writing_application )
1036         {
1037             free( psz_writing_application );
1038         }
1039         if( psz_muxing_application )
1040         {
1041             free( psz_muxing_application );
1042         }
1043         if( psz_segment_filename )
1044         {
1045             free( psz_segment_filename );
1046         }
1047         if( psz_title )
1048         {
1049             free( psz_title );
1050         }
1051         if( psz_date_utc )
1052         {
1053             free( psz_date_utc );
1054         }
1055         if ( p_indexes )
1056             free( p_indexes );
1057
1058         delete ep;
1059         delete p_segment_uid;
1060         delete p_prev_segment_uid;
1061         delete p_next_segment_uid;
1062
1063         std::vector<chapter_edition_c*>::iterator index = stored_editions.begin();
1064         while ( index != stored_editions.end() )
1065         {
1066             delete (*index);
1067             index++;
1068         }
1069         std::vector<chapter_translation_c*>::iterator indext = translations.begin();
1070         while ( indext != translations.end() )
1071         {
1072             delete (*indext);
1073             indext++;
1074         }
1075     }
1076
1077     KaxSegment              *segment;
1078     EbmlStream              & es;
1079
1080     /* time scale */
1081     uint64_t                i_timescale;
1082
1083     /* duration of the segment */
1084     mtime_t                 i_duration;
1085     mtime_t                 i_start_time;
1086
1087     /* all tracks */
1088     std::vector<mkv_track_t*> tracks;
1089
1090     /* from seekhead */
1091     int64_t                 i_cues_position;
1092     int64_t                 i_chapters_position;
1093     int64_t                 i_tags_position;
1094
1095     KaxCluster              *cluster;
1096     uint64                  i_block_pos;
1097     uint64                  i_cluster_pos;
1098     int64_t                 i_start_pos;
1099     KaxSegmentUID           *p_segment_uid;
1100     KaxPrevUID              *p_prev_segment_uid;
1101     KaxNextUID              *p_next_segment_uid;
1102
1103     vlc_bool_t              b_cues;
1104     int                     i_index;
1105     int                     i_index_max;
1106     mkv_index_t             *p_indexes;
1107
1108     /* info */
1109     char                    *psz_muxing_application;
1110     char                    *psz_writing_application;
1111     char                    *psz_segment_filename;
1112     char                    *psz_title;
1113     char                    *psz_date_utc;
1114
1115     /* !!!!! GCC 3.3 bug on Darwin !!!!! */
1116     /* when you remove this variable the compiler issues an atomicity error */
1117     /* this variable only works when using std::vector<chapter_edition_c> */
1118     std::vector<chapter_edition_c*> stored_editions;
1119     int                             i_default_edition;
1120
1121     std::vector<chapter_translation_c*> translations;
1122     std::vector<KaxSegmentFamily>  families;
1123
1124     demux_sys_t                    & sys;
1125     EbmlParser                     *ep;
1126     bool                           b_preloaded;
1127
1128     bool Preload( );
1129     bool PreloadFamily( const matroska_segment_c & segment );
1130     void ParseInfo( KaxInfo *info );
1131     void ParseChapters( KaxChapters *chapters );
1132     void ParseSeekHead( KaxSeekHead *seekhead );
1133     void ParseTracks( KaxTracks *tracks );
1134     void ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters );
1135     void ParseTrackEntry( KaxTrackEntry *m );
1136     void ParseCluster( );
1137     void IndexAppendCluster( KaxCluster *cluster );
1138     void LoadCues( );
1139     void LoadTags( );
1140     void InformationCreate( );
1141     void Seek( mtime_t i_date, mtime_t i_time_offset );
1142     int BlockGet( KaxBlock * & pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration );
1143     bool Select( mtime_t i_start_time );
1144     void UnSelect( );
1145
1146     static bool CompareSegmentUIDs( const matroska_segment_c * item_a, const matroska_segment_c * item_b );
1147 };
1148
1149 // class holding hard-linked segment together in the playback order
1150 class virtual_segment_c
1151 {
1152 public:
1153     virtual_segment_c( matroska_segment_c *p_segment )
1154         :p_editions(NULL)
1155         ,i_sys_title(0)
1156         ,i_current_segment(0)
1157         ,i_current_edition(-1)
1158         ,psz_current_chapter(NULL)
1159     {
1160         linked_segments.push_back( p_segment );
1161
1162         AppendUID( p_segment->p_segment_uid );
1163         AppendUID( p_segment->p_prev_segment_uid );
1164         AppendUID( p_segment->p_next_segment_uid );
1165     }
1166
1167     void Sort();
1168     size_t AddSegment( matroska_segment_c *p_segment );
1169     void PreloadLinked( );
1170     mtime_t Duration( ) const;
1171     void LoadCues( );
1172     void Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter );
1173
1174     inline chapter_edition_c *Edition()
1175     {
1176         if ( i_current_edition >= 0 && size_t(i_current_edition) < p_editions->size() )
1177             return (*p_editions)[i_current_edition];
1178         return NULL;
1179     }
1180
1181     matroska_segment_c * Segment() const
1182     {
1183         if ( linked_segments.size() == 0 || i_current_segment >= linked_segments.size() )
1184             return NULL;
1185         return linked_segments[i_current_segment];
1186     }
1187
1188     inline chapter_item_c *CurrentChapter() {
1189         return psz_current_chapter;
1190     }
1191
1192     bool SelectNext()
1193     {
1194         if ( i_current_segment < linked_segments.size()-1 )
1195         {
1196             i_current_segment++;
1197             return true;
1198         }
1199         return false;
1200     }
1201
1202     bool FindUID( KaxSegmentUID & uid ) const
1203     {
1204         for ( size_t i=0; i<linked_uids.size(); i++ )
1205         {
1206             if ( linked_uids[i] == uid )
1207                 return true;
1208         }
1209         return false;
1210     }
1211
1212     bool UpdateCurrentToChapter( demux_t & demux );
1213     void PrepareChapters( );
1214
1215     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
1216                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
1217                                         const void *p_cookie,
1218                                         size_t i_cookie_size );
1219     chapter_item_c *FindChapter( int64_t i_find_uid );
1220
1221     std::vector<chapter_edition_c*>  *p_editions;
1222     int                              i_sys_title;
1223
1224 protected:
1225     std::vector<matroska_segment_c*> linked_segments;
1226     std::vector<KaxSegmentUID>       linked_uids;
1227     size_t                           i_current_segment;
1228
1229     int                              i_current_edition;
1230     chapter_item_c                   *psz_current_chapter;
1231
1232     void                             AppendUID( const EbmlBinary * UID );
1233 };
1234
1235 class matroska_stream_c
1236 {
1237 public:
1238     matroska_stream_c( demux_sys_t & demuxer )
1239         :p_in(NULL)
1240         ,p_es(NULL)
1241         ,sys(demuxer)
1242     {}
1243
1244     virtual ~matroska_stream_c()
1245     {
1246         delete p_in;
1247         delete p_es;
1248     }
1249
1250     IOCallback         *p_in;
1251     EbmlStream         *p_es;
1252
1253     std::vector<matroska_segment_c*> segments;
1254
1255     demux_sys_t                      & sys;
1256 };
1257
1258 typedef struct
1259 {
1260     VLC_COMMON_MEMBERS
1261
1262     demux_t        *p_demux;
1263     vlc_mutex_t     lock;
1264
1265     vlc_bool_t      b_moved;
1266     vlc_bool_t      b_clicked;
1267     vlc_bool_t      b_key;
1268
1269 } event_thread_t;
1270
1271 class demux_sys_t
1272 {
1273 public:
1274     demux_sys_t( demux_t & demux )
1275         :demuxer(demux)
1276         ,i_pts(0)
1277         ,i_last_dts(0)
1278         ,i_start_pts(0)
1279         ,i_chapter_time(0)
1280         ,meta(NULL)
1281         ,i_current_title(0)
1282         ,p_current_segment(NULL)
1283         ,dvd_interpretor( *this )
1284         ,f_duration(-1.0)
1285         ,b_ui_hooked(false)
1286         ,p_input(NULL)
1287         ,b_pci_packet_set(false)
1288         ,p_ev(NULL)
1289     {
1290         vlc_mutex_init( &demuxer, &lock_demuxer );
1291     }
1292
1293     virtual ~demux_sys_t()
1294     {
1295         StopUiThread();
1296         size_t i;
1297         for ( i=0; i<streams.size(); i++ )
1298             delete streams[i];
1299         for ( i=0; i<opened_segments.size(); i++ )
1300             delete opened_segments[i];
1301         for ( i=0; i<used_segments.size(); i++ )
1302             delete used_segments[i];
1303         vlc_mutex_destroy( &lock_demuxer );
1304     }
1305
1306     /* current data */
1307     demux_t                 & demuxer;
1308
1309     mtime_t                 i_pts;
1310     mtime_t                 i_last_dts;
1311     mtime_t                 i_start_pts;
1312     mtime_t                 i_chapter_time;
1313
1314     vlc_meta_t              *meta;
1315
1316     std::vector<input_title_t*>      titles; // matroska editions
1317     size_t                           i_current_title;
1318
1319     std::vector<matroska_stream_c*>  streams;
1320     std::vector<matroska_segment_c*> opened_segments;
1321     std::vector<virtual_segment_c*>  used_segments;
1322     virtual_segment_c                *p_current_segment;
1323
1324     dvd_command_interpretor_c        dvd_interpretor;
1325
1326     /* duration of the stream */
1327     float                   f_duration;
1328
1329     matroska_segment_c *FindSegment( const EbmlBinary & uid ) const;
1330     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
1331                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
1332                                         const void *p_cookie,
1333                                         size_t i_cookie_size,
1334                                         virtual_segment_c * & p_segment_found );
1335     chapter_item_c *FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found );
1336
1337     void PreloadFamily( const matroska_segment_c & of_segment );
1338     void PreloadLinked( matroska_segment_c *p_segment );
1339     bool PreparePlayback( virtual_segment_c *p_new_segment );
1340     matroska_stream_c *AnalyseAllSegmentsFound( EbmlStream *p_estream );
1341     void JumpTo( virtual_segment_c & p_segment, chapter_item_c * p_chapter );
1342
1343     void StartUiThread();
1344     void StopUiThread();
1345     bool b_ui_hooked;
1346     inline void SwapButtons();
1347
1348     /* for spu variables */
1349     input_thread_t *p_input;
1350     pci_t          pci_packet;
1351     bool           b_pci_packet_set;
1352     uint8_t        palette[4][4];
1353     vlc_mutex_t    lock_demuxer;
1354
1355     /* event */
1356     event_thread_t *p_ev;
1357     static int EventThread( vlc_object_t *p_this );
1358     static int EventMouse( vlc_object_t *p_this, char const *psz_var,
1359                        vlc_value_t oldval, vlc_value_t newval, void *p_data );
1360     static int EventKey( vlc_object_t *p_this, char const *psz_var,
1361                      vlc_value_t oldval, vlc_value_t newval, void *p_data );
1362
1363
1364
1365 protected:
1366     virtual_segment_c *VirtualFromSegments( matroska_segment_c *p_segment ) const;
1367     bool IsUsedSegment( matroska_segment_c &p_segment ) const;
1368 };
1369
1370 static int  Demux  ( demux_t * );
1371 static int  Control( demux_t *, int, va_list );
1372 static void Seek   ( demux_t *, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter );
1373
1374 #define MKV_IS_ID( el, C ) ( EbmlId( (*el) ) == C::ClassInfos.GlobalId )
1375
1376 static inline char * ToUTF8( const UTFstring &u )
1377 {
1378     return strdup( u.GetUTF8().c_str() );
1379 }
1380
1381 /*****************************************************************************
1382  * Open: initializes matroska demux structures
1383  *****************************************************************************/
1384 static int Open( vlc_object_t * p_this )
1385 {
1386     demux_t            *p_demux = (demux_t*)p_this;
1387     demux_sys_t        *p_sys;
1388     matroska_stream_c  *p_stream;
1389     matroska_segment_c *p_segment;
1390     uint8_t            *p_peek;
1391     std::string        s_path, s_filename;
1392     vlc_stream_io_callback *p_io_callback;
1393     EbmlStream         *p_io_stream;
1394
1395     /* peek the begining */
1396     if( stream_Peek( p_demux->s, &p_peek, 4 ) < 4 ) return VLC_EGENERIC;
1397
1398     /* is a valid file */
1399     if( p_peek[0] != 0x1a || p_peek[1] != 0x45 ||
1400         p_peek[2] != 0xdf || p_peek[3] != 0xa3 ) return VLC_EGENERIC;
1401
1402     /* Set the demux function */
1403     p_demux->pf_demux   = Demux;
1404     p_demux->pf_control = Control;
1405     p_demux->p_sys      = p_sys = new demux_sys_t( *p_demux );
1406
1407     p_io_callback = new vlc_stream_io_callback( p_demux->s, VLC_FALSE );
1408     p_io_stream = new EbmlStream( *p_io_callback );
1409
1410     if( p_io_stream == NULL )
1411     {
1412         msg_Err( p_demux, "failed to create EbmlStream" );
1413         delete p_io_callback;
1414         delete p_sys;
1415         return VLC_EGENERIC;
1416     }
1417
1418     p_stream = p_sys->AnalyseAllSegmentsFound( p_io_stream );
1419     if( p_stream == NULL )
1420     {
1421         msg_Err( p_demux, "cannot find KaxSegment" );
1422         goto error;
1423     }
1424     p_sys->streams.push_back( p_stream );
1425
1426     p_stream->p_in = p_io_callback;
1427     p_stream->p_es = p_io_stream;
1428
1429     for (size_t i=0; i<p_stream->segments.size(); i++)
1430     {
1431         p_stream->segments[i]->Preload();
1432     }
1433
1434     p_segment = p_stream->segments[0];
1435     if( p_segment->cluster != NULL )
1436     {
1437         msg_Warn( p_demux, "cannot find any cluster, damaged file ?" );
1438
1439         // reset the stream reading to the first cluster of the segment used
1440         p_stream->p_in->setFilePointer( p_segment->cluster->GetElementPosition() );
1441     }
1442
1443     /* get the files from the same dir from the same family (based on p_demux->psz_path) */
1444     if (p_demux->psz_path[0] != '\0' && !strcmp(p_demux->psz_access, ""))
1445     {
1446         // assume it's a regular file
1447         // get the directory path
1448         s_path = p_demux->psz_path;
1449         if (s_path.at(s_path.length() - 1) == DIRECTORY_SEPARATOR)
1450         {
1451             s_path = s_path.substr(0,s_path.length()-1);
1452         }
1453         else
1454         {
1455             if (s_path.find_last_of(DIRECTORY_SEPARATOR) > 0)
1456             {
1457                 s_path = s_path.substr(0,s_path.find_last_of(DIRECTORY_SEPARATOR));
1458             }
1459         }
1460
1461         struct dirent *p_file_item;
1462         DIR *p_src_dir = opendir(s_path.c_str());
1463
1464         if (p_src_dir != NULL)
1465         {
1466             while ((p_file_item = (dirent *) readdir(p_src_dir)))
1467             {
1468                 if (strlen(p_file_item->d_name) > 4)
1469                 {
1470                     s_filename = s_path + DIRECTORY_SEPARATOR + p_file_item->d_name;
1471
1472                     if (!s_filename.compare(p_demux->psz_path))
1473                         continue; // don't reuse the original opened file
1474
1475 #if defined(__GNUC__) && (__GNUC__ < 3)
1476                     if (!s_filename.compare("mkv", s_filename.length() - 3, 3) ||
1477                         !s_filename.compare("mka", s_filename.length() - 3, 3))
1478 #else
1479                     if (!s_filename.compare(s_filename.length() - 3, 3, "mkv") ||
1480                         !s_filename.compare(s_filename.length() - 3, 3, "mka"))
1481 #endif
1482                     {
1483                         // test wether this file belongs to our family
1484                         stream_t *p_file_stream = stream_UrlNew( p_demux, s_filename.c_str());
1485                         if ( p_file_stream != NULL )
1486                         {
1487                             vlc_stream_io_callback *p_file_io = new vlc_stream_io_callback( p_file_stream, VLC_TRUE );
1488                             EbmlStream *p_estream = new EbmlStream(*p_file_io);
1489
1490                             p_stream = p_sys->AnalyseAllSegmentsFound( p_estream );
1491
1492                             if ( p_stream == NULL )
1493                             {
1494                                 msg_Dbg( p_demux, "the file '%s' will not be used", s_filename.c_str() );
1495                                 delete p_estream;
1496                                 delete p_file_io;
1497                             }
1498                             else
1499                             {
1500                                 p_stream->p_in = p_file_io;
1501                                 p_stream->p_es = p_estream;
1502                                 p_sys->streams.push_back( p_stream );
1503                             }
1504                         }
1505                         else
1506                         {
1507                             msg_Dbg( p_demux, "the file '%s' cannot be opened", s_filename.c_str() );
1508                         }
1509                     }
1510                 }
1511             }
1512             closedir( p_src_dir );
1513         }
1514     }
1515
1516     p_sys->PreloadFamily( *p_segment );
1517     p_sys->PreloadLinked( p_segment );
1518     if ( !p_sys->PreparePlayback( NULL ) )
1519     {
1520         msg_Err( p_demux, "cannot use the segment" );
1521         goto error;
1522     }
1523
1524     p_sys->StartUiThread();
1525
1526     return VLC_SUCCESS;
1527
1528 error:
1529     delete p_sys;
1530     return VLC_EGENERIC;
1531 }
1532
1533 /*****************************************************************************
1534  * Close: frees unused data
1535  *****************************************************************************/
1536 static void Close( vlc_object_t *p_this )
1537 {
1538     demux_t     *p_demux = (demux_t*)p_this;
1539     demux_sys_t *p_sys   = p_demux->p_sys;
1540
1541     delete p_sys;
1542 }
1543
1544 /*****************************************************************************
1545  * Control:
1546  *****************************************************************************/
1547 static int Control( demux_t *p_demux, int i_query, va_list args )
1548 {
1549     demux_sys_t        *p_sys = p_demux->p_sys;
1550     int64_t     *pi64;
1551     double      *pf, f;
1552     int         i_skp;
1553     size_t      i_idx;
1554
1555     vlc_meta_t **pp_meta;
1556
1557     switch( i_query )
1558     {
1559         case DEMUX_GET_META:
1560             pp_meta = (vlc_meta_t**)va_arg( args, vlc_meta_t** );
1561             *pp_meta = vlc_meta_Duplicate( p_sys->meta );
1562             return VLC_SUCCESS;
1563
1564         case DEMUX_GET_LENGTH:
1565             pi64 = (int64_t*)va_arg( args, int64_t * );
1566             if( p_sys->f_duration > 0.0 )
1567             {
1568                 *pi64 = (int64_t)(p_sys->f_duration * 1000);
1569                 return VLC_SUCCESS;
1570             }
1571             return VLC_EGENERIC;
1572
1573         case DEMUX_GET_POSITION:
1574             pf = (double*)va_arg( args, double * );
1575             if ( p_sys->f_duration > 0.0 )
1576                 *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);
1577             return VLC_SUCCESS;
1578
1579         case DEMUX_SET_POSITION:
1580             f = (double)va_arg( args, double );
1581             Seek( p_demux, -1, f, NULL );
1582             return VLC_SUCCESS;
1583
1584         case DEMUX_GET_TIME:
1585             pi64 = (int64_t*)va_arg( args, int64_t * );
1586             *pi64 = p_sys->i_pts;
1587             return VLC_SUCCESS;
1588
1589         case DEMUX_GET_TITLE_INFO:
1590             if( p_sys->titles.size() )
1591             {
1592                 input_title_t ***ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
1593                 int *pi_int    = (int*)va_arg( args, int* );
1594
1595                 *pi_int = p_sys->titles.size();
1596                 *ppp_title = (input_title_t**)malloc( sizeof( input_title_t**) * p_sys->titles.size() );
1597
1598                 for( size_t i = 0; i < p_sys->titles.size(); i++ )
1599                 {
1600                     (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->titles[i] );
1601                 }
1602
1603                 return VLC_SUCCESS;
1604             }
1605             return VLC_EGENERIC;
1606
1607         case DEMUX_SET_TITLE:
1608             /* TODO handle editions as titles */
1609             i_idx = (int)va_arg( args, int );
1610             if( i_idx < p_sys->used_segments.size() )
1611             {
1612                 p_sys->JumpTo( *p_sys->used_segments[i_idx], NULL );
1613                 return VLC_SUCCESS;
1614             }
1615             return VLC_EGENERIC;
1616
1617         case DEMUX_SET_SEEKPOINT:
1618             i_skp = (int)va_arg( args, int );
1619
1620             // TODO change the way it works with the << & >> buttons on the UI (+1/-1 instead of a number)
1621             if( p_sys->titles.size() && i_skp < p_sys->titles[p_sys->i_current_title]->i_seekpoint)
1622             {
1623                 Seek( p_demux, (int64_t)p_sys->titles[p_sys->i_current_title]->seekpoint[i_skp]->i_time_offset, -1, NULL);
1624                 p_demux->info.i_seekpoint |= INPUT_UPDATE_SEEKPOINT;
1625                 p_demux->info.i_seekpoint = i_skp;
1626                 return VLC_SUCCESS;
1627             }
1628             return VLC_EGENERIC;
1629
1630         case DEMUX_SET_TIME:
1631         case DEMUX_GET_FPS:
1632         default:
1633             return VLC_EGENERIC;
1634     }
1635 }
1636
1637 int matroska_segment_c::BlockGet( KaxBlock * & pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration )
1638 {
1639     pp_block = NULL;
1640     *pi_ref1  = 0;
1641     *pi_ref2  = 0;
1642
1643     for( ;; )
1644     {
1645         EbmlElement *el;
1646         int         i_level;
1647
1648         if ( ep == NULL )
1649             return VLC_EGENERIC;
1650
1651         el = ep->Get();
1652         i_level = ep->GetLevel();
1653
1654         if( el == NULL && pp_block != NULL )
1655         {
1656             /* update the index */
1657 #define idx p_indexes[i_index - 1]
1658             if( i_index > 0 && idx.i_time == -1 )
1659             {
1660                 idx.i_time        = (*pp_block).GlobalTimecode() / (mtime_t)1000;
1661                 idx.b_key         = *pi_ref1 == 0 ? VLC_TRUE : VLC_FALSE;
1662             }
1663 #undef idx
1664             return VLC_SUCCESS;
1665         }
1666
1667         if( el == NULL )
1668         {
1669             if( ep->GetLevel() > 1 )
1670             {
1671                 ep->Up();
1672                 continue;
1673             }
1674             msg_Warn( &sys.demuxer, "EOF" );
1675             return VLC_EGENERIC;
1676         }
1677
1678         /* do parsing */
1679         switch ( i_level )
1680         {
1681         case 1:
1682             if( MKV_IS_ID( el, KaxCluster ) )
1683             {
1684                 cluster = (KaxCluster*)el;
1685                 i_cluster_pos = cluster->GetElementPosition();
1686
1687                 /* add it to the index */
1688                 if( i_index == 0 ||
1689                     ( i_index > 0 && p_indexes[i_index - 1].i_position < (int64_t)cluster->GetElementPosition() ) )
1690                 {
1691                     IndexAppendCluster( cluster );
1692                 }
1693
1694                 // reset silent tracks
1695                 for (size_t i=0; i<tracks.size(); i++)
1696                 {
1697                     tracks[i]->b_silent = VLC_FALSE;
1698                 }
1699
1700                 ep->Down();
1701             }
1702             else if( MKV_IS_ID( el, KaxCues ) )
1703             {
1704                 msg_Warn( &sys.demuxer, "find KaxCues FIXME" );
1705                 return VLC_EGENERIC;
1706             }
1707             else
1708             {
1709                 msg_Dbg( &sys.demuxer, "unknown (%s)", typeid( el ).name() );
1710             }
1711             break;
1712         case 2:
1713             if( MKV_IS_ID( el, KaxClusterTimecode ) )
1714             {
1715                 KaxClusterTimecode &ctc = *(KaxClusterTimecode*)el;
1716
1717                 ctc.ReadData( es.I_O(), SCOPE_ALL_DATA );
1718                 cluster->InitTimecode( uint64( ctc ), i_timescale );
1719             }
1720             else if( MKV_IS_ID( el, KaxClusterSilentTracks ) )
1721             {
1722                 ep->Down();
1723             }
1724             else if( MKV_IS_ID( el, KaxBlockGroup ) )
1725             {
1726                 i_block_pos = el->GetElementPosition();
1727                 ep->Down();
1728             }
1729             break;
1730         case 3:
1731             if( MKV_IS_ID( el, KaxBlock ) )
1732             {
1733                 pp_block = (KaxBlock*)el;
1734
1735                 pp_block->ReadData( es.I_O() );
1736                 pp_block->SetParent( *cluster );
1737
1738                 ep->Keep();
1739             }
1740             else if( MKV_IS_ID( el, KaxBlockDuration ) )
1741             {
1742                 KaxBlockDuration &dur = *(KaxBlockDuration*)el;
1743
1744                 dur.ReadData( es.I_O() );
1745                 *pi_duration = uint64( dur );
1746             }
1747             else if( MKV_IS_ID( el, KaxReferenceBlock ) )
1748             {
1749                 KaxReferenceBlock &ref = *(KaxReferenceBlock*)el;
1750
1751                 ref.ReadData( es.I_O() );
1752                 if( *pi_ref1 == 0 )
1753                 {
1754                     *pi_ref1 = int64( ref ) * cluster->GlobalTimecodeScale();
1755                 }
1756                 else
1757                 {
1758                     *pi_ref2 = int64( ref ) * cluster->GlobalTimecodeScale();
1759                 }
1760             }
1761             else if( MKV_IS_ID( el, KaxClusterSilentTrackNumber ) )
1762             {
1763                 KaxClusterSilentTrackNumber &track_num = *(KaxClusterSilentTrackNumber*)el;
1764                 track_num.ReadData( es.I_O() );
1765                 // find the track
1766                 for (size_t i=0; i<tracks.size(); i++)
1767                 {
1768                     if ( tracks[i]->i_number == uint32(track_num))
1769                     {
1770                         tracks[i]->b_silent = VLC_TRUE;
1771                         break;
1772                     }
1773                 }
1774             }
1775             break;
1776         default:
1777             msg_Err( &sys.demuxer, "invalid level = %d", i_level );
1778             return VLC_EGENERIC;
1779         }
1780     }
1781 }
1782
1783 static block_t *MemToBlock( demux_t *p_demux, uint8_t *p_mem, int i_mem)
1784 {
1785     block_t *p_block;
1786     if( !(p_block = block_New( p_demux, i_mem ) ) ) return NULL;
1787     memcpy( p_block->p_buffer, p_mem, i_mem );
1788     //p_block->i_rate = p_input->stream.control.i_rate;
1789     return p_block;
1790 }
1791
1792 static void BlockDecode( demux_t *p_demux, KaxBlock *block, mtime_t i_pts,
1793                          mtime_t i_duration )
1794 {
1795     demux_sys_t        *p_sys = p_demux->p_sys;
1796     matroska_segment_c *p_segment = p_sys->p_current_segment->Segment();
1797
1798     size_t          i_track;
1799     unsigned int    i;
1800     vlc_bool_t      b;
1801
1802 #define tk  p_segment->tracks[i_track]
1803     for( i_track = 0; i_track < p_segment->tracks.size(); i_track++ )
1804     {
1805         if( tk->i_number == block->TrackNum() )
1806         {
1807             break;
1808         }
1809     }
1810
1811     if( i_track >= p_segment->tracks.size() )
1812     {
1813         msg_Err( p_demux, "invalid track number=%d", block->TrackNum() );
1814         return;
1815     }
1816     if( tk->fmt.i_cat != NAV_ES && tk->p_es == NULL )
1817     {
1818         msg_Err( p_demux, "unknown track number=%d", block->TrackNum() );
1819         return;
1820     }
1821     if( i_pts + i_duration < p_sys->i_start_pts && tk->fmt.i_cat == AUDIO_ES )
1822     {
1823         return; /* discard audio packets that shouldn't be rendered */
1824     }
1825
1826     if ( tk->fmt.i_cat != NAV_ES )
1827     {
1828         es_out_Control( p_demux->out, ES_OUT_GET_ES_STATE, tk->p_es, &b );
1829
1830         if( !b )
1831         {
1832             tk->b_inited = VLC_FALSE;
1833             return;
1834         }
1835     }
1836
1837
1838     /* First send init data */
1839     if( !tk->b_inited && tk->i_data_init > 0 )
1840     {
1841         block_t *p_init;
1842
1843         msg_Dbg( p_demux, "sending header (%d bytes)", tk->i_data_init );
1844         p_init = MemToBlock( p_demux, tk->p_data_init, tk->i_data_init );
1845         if( p_init ) es_out_Send( p_demux->out, tk->p_es, p_init );
1846     }
1847     tk->b_inited = VLC_TRUE;
1848
1849
1850     for( i = 0; i < block->NumberFrames(); i++ )
1851     {
1852         block_t *p_block;
1853         DataBuffer &data = block->GetBuffer(i);
1854
1855         p_block = MemToBlock( p_demux, data.Buffer(), data.Size() );
1856
1857         if( p_block == NULL )
1858         {
1859             break;
1860         }
1861
1862 #if defined(HAVE_ZLIB_H)
1863         if( tk->i_compression_type )
1864         {
1865             p_block = block_zlib_decompress( VLC_OBJECT(p_demux), p_block );
1866         }
1867 #endif
1868
1869         if ( tk->fmt.i_cat == NAV_ES )
1870         {
1871             // TODO handle the start/stop times of this packet
1872             if ( p_sys->b_ui_hooked )
1873             {
1874                 vlc_mutex_lock( &p_sys->p_ev->lock );
1875                 memcpy( &p_sys->pci_packet, &p_block->p_buffer[1], sizeof(pci_t) );
1876                 p_sys->SwapButtons();
1877                 p_sys->b_pci_packet_set = true;
1878                 vlc_mutex_unlock( &p_sys->p_ev->lock );
1879                 block_Release( p_block );
1880             }
1881             return;
1882         }
1883         // correct timestamping when B frames are used
1884         if( tk->fmt.i_cat != VIDEO_ES )
1885         {
1886             p_block->i_dts = p_block->i_pts = i_pts;
1887         }
1888         else
1889         {
1890             if( !strcmp( tk->psz_codec, "V_MS/VFW/FOURCC" ) )
1891             {
1892                 p_block->i_pts = 0;
1893             }
1894             else
1895             {
1896                 p_block->i_pts = i_pts;
1897             }
1898             p_block->i_dts = p_sys->i_pts;
1899         }
1900
1901 #if 0
1902 msg_Dbg( p_demux, "block i_dts: "I64Fd" / i_pts: "I64Fd, p_block->i_dts, p_block->i_pts);
1903 #endif
1904         if( strcmp( tk->psz_codec, "S_VOBSUB" ) )
1905         {
1906             p_block->i_length = i_duration * 1000;
1907         }
1908
1909         es_out_Send( p_demux->out, tk->p_es, p_block );
1910
1911         /* use time stamp only for first block */
1912         i_pts = 0;
1913     }
1914
1915 #undef tk
1916 }
1917
1918 matroska_stream_c *demux_sys_t::AnalyseAllSegmentsFound( EbmlStream *p_estream )
1919 {
1920     int i_upper_lvl = 0;
1921     size_t i;
1922     EbmlElement *p_l0, *p_l1, *p_l2;
1923     bool b_keep_stream = false, b_keep_segment;
1924
1925     // verify the EBML Header
1926     p_l0 = p_estream->FindNextID(EbmlHead::ClassInfos, 0xFFFFFFFFL);
1927     if (p_l0 == NULL)
1928     {
1929         return NULL;
1930     }
1931     p_l0->SkipData(*p_estream, EbmlHead_Context);
1932     delete p_l0;
1933
1934     // find all segments in this file
1935     p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFFLL);
1936     if (p_l0 == NULL)
1937     {
1938         return NULL;
1939     }
1940
1941     matroska_stream_c *p_stream1 = new matroska_stream_c( *this );
1942
1943     while (p_l0 != 0)
1944     {
1945         if (EbmlId(*p_l0) == KaxSegment::ClassInfos.GlobalId)
1946         {
1947             EbmlParser  *ep;
1948             matroska_segment_c *p_segment1 = new matroska_segment_c( *this, *p_estream );
1949             b_keep_segment = false;
1950
1951             ep = new EbmlParser(p_estream, p_l0, &demuxer );
1952             p_segment1->ep = ep;
1953             p_segment1->segment = (KaxSegment*)p_l0;
1954
1955             while ((p_l1 = ep->Get()))
1956             {
1957                 if (MKV_IS_ID(p_l1, KaxInfo))
1958                 {
1959                     // find the families of this segment
1960                     KaxInfo *p_info = static_cast<KaxInfo*>(p_l1);
1961
1962                     p_info->Read(*p_estream, KaxInfo::ClassInfos.Context, i_upper_lvl, p_l2, true);
1963                     for( i = 0; i < p_info->ListSize(); i++ )
1964                     {
1965                         EbmlElement *l = (*p_info)[i];
1966
1967                         if( MKV_IS_ID( l, KaxSegmentUID ) )
1968                         {
1969                             KaxSegmentUID *p_uid = static_cast<KaxSegmentUID*>(l);
1970                             b_keep_segment = (FindSegment( *p_uid ) == NULL);
1971                             if ( !b_keep_segment )
1972                                 break; // this segment is already known
1973                             opened_segments.push_back( p_segment1 );
1974                             delete p_segment1->p_segment_uid;
1975                             p_segment1->p_segment_uid = new KaxSegmentUID(*p_uid);
1976                         }
1977                         else if( MKV_IS_ID( l, KaxPrevUID ) )
1978                         {
1979                             p_segment1->p_prev_segment_uid = new KaxPrevUID( *static_cast<KaxPrevUID*>(l) );
1980                         }
1981                         else if( MKV_IS_ID( l, KaxNextUID ) )
1982                         {
1983                             p_segment1->p_next_segment_uid = new KaxNextUID( *static_cast<KaxNextUID*>(l) );
1984                         }
1985                         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
1986                         {
1987                             KaxSegmentFamily *p_fam = new KaxSegmentFamily( *static_cast<KaxSegmentFamily*>(l) );
1988                             p_segment1->families.push_back( *p_fam );
1989                         }
1990                     }
1991                     break;
1992                 }
1993             }
1994             if ( b_keep_segment )
1995             {
1996                 b_keep_stream = true;
1997                 p_stream1->segments.push_back( p_segment1 );
1998             }
1999             else
2000                 delete p_segment1;
2001         }
2002
2003         p_l0->SkipData(*p_estream, EbmlHead_Context);
2004         p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFL);
2005     }
2006
2007     if ( !b_keep_stream )
2008     {
2009         delete p_stream1;
2010         p_stream1 = NULL;
2011     }
2012
2013     return p_stream1;
2014 }
2015
2016 bool matroska_segment_c::Select( mtime_t i_start_time )
2017 {
2018     size_t i_track;
2019
2020     /* add all es */
2021     msg_Dbg( &sys.demuxer, "found %d es", (int)tracks.size() );
2022     sys.b_pci_packet_set = false;
2023
2024     for( i_track = 0; i_track < tracks.size(); i_track++ )
2025     {
2026         if( tracks[i_track]->fmt.i_cat == UNKNOWN_ES )
2027         {
2028             msg_Warn( &sys.demuxer, "invalid track[%d, n=%d]", (int)i_track, tracks[i_track]->i_number );
2029             tracks[i_track]->p_es = NULL;
2030             continue;
2031         }
2032
2033         if( !strcmp( tracks[i_track]->psz_codec, "V_MS/VFW/FOURCC" ) )
2034         {
2035             if( tracks[i_track]->i_extra_data < (int)sizeof( BITMAPINFOHEADER ) )
2036             {
2037                 msg_Err( &sys.demuxer, "missing/invalid BITMAPINFOHEADER" );
2038                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2039             }
2040             else
2041             {
2042                 BITMAPINFOHEADER *p_bih = (BITMAPINFOHEADER*)tracks[i_track]->p_extra_data;
2043
2044                 tracks[i_track]->fmt.video.i_width = GetDWLE( &p_bih->biWidth );
2045                 tracks[i_track]->fmt.video.i_height= GetDWLE( &p_bih->biHeight );
2046                 tracks[i_track]->fmt.i_codec       = GetFOURCC( &p_bih->biCompression );
2047
2048                 tracks[i_track]->fmt.i_extra       = GetDWLE( &p_bih->biSize ) - sizeof( BITMAPINFOHEADER );
2049                 if( tracks[i_track]->fmt.i_extra > 0 )
2050                 {
2051                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2052                     memcpy( tracks[i_track]->fmt.p_extra, &p_bih[1], tracks[i_track]->fmt.i_extra );
2053                 }
2054             }
2055         }
2056         else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG1" ) ||
2057                  !strcmp( tracks[i_track]->psz_codec, "V_MPEG2" ) )
2058         {
2059             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'v' );
2060         }
2061         else if( !strncmp( tracks[i_track]->psz_codec, "V_MPEG4", 7 ) )
2062         {
2063             if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/MS/V3" ) )
2064             {
2065                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'D', 'I', 'V', '3' );
2066             }
2067             else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/ISO/AVC" ) )
2068             {
2069                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'v', 'c', '1' );
2070                 tracks[i_track]->fmt.b_packetized = VLC_FALSE;
2071                 tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2072                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2073                 memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2074             }
2075             else
2076             {
2077                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' );
2078             }
2079         }
2080         else if( !strcmp( tracks[i_track]->psz_codec, "V_QUICKTIME" ) )
2081         {
2082             MP4_Box_t *p_box = (MP4_Box_t*)malloc( sizeof( MP4_Box_t ) );
2083             stream_t *p_mp4_stream = stream_MemoryNew( VLC_OBJECT(&sys.demuxer),
2084                                                        tracks[i_track]->p_extra_data,
2085                                                        tracks[i_track]->i_extra_data,
2086                                                        VLC_FALSE );
2087             MP4_ReadBoxCommon( p_mp4_stream, p_box );
2088             MP4_ReadBox_sample_vide( p_mp4_stream, p_box );
2089             tracks[i_track]->fmt.i_codec = p_box->i_type;
2090             tracks[i_track]->fmt.video.i_width = p_box->data.p_sample_vide->i_width;
2091             tracks[i_track]->fmt.video.i_height = p_box->data.p_sample_vide->i_height;
2092             tracks[i_track]->fmt.i_extra = p_box->data.p_sample_vide->i_qt_image_description;
2093             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2094             memcpy( tracks[i_track]->fmt.p_extra, p_box->data.p_sample_vide->p_qt_image_description, tracks[i_track]->fmt.i_extra );
2095             MP4_FreeBox_sample_vide( p_box );
2096             stream_Delete( p_mp4_stream );
2097         }
2098         else if( !strcmp( tracks[i_track]->psz_codec, "A_MS/ACM" ) )
2099         {
2100             if( tracks[i_track]->i_extra_data < (int)sizeof( WAVEFORMATEX ) )
2101             {
2102                 msg_Err( &sys.demuxer, "missing/invalid WAVEFORMATEX" );
2103                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2104             }
2105             else
2106             {
2107                 WAVEFORMATEX *p_wf = (WAVEFORMATEX*)tracks[i_track]->p_extra_data;
2108
2109                 wf_tag_to_fourcc( GetWLE( &p_wf->wFormatTag ), &tracks[i_track]->fmt.i_codec, NULL );
2110
2111                 tracks[i_track]->fmt.audio.i_channels   = GetWLE( &p_wf->nChannels );
2112                 tracks[i_track]->fmt.audio.i_rate = GetDWLE( &p_wf->nSamplesPerSec );
2113                 tracks[i_track]->fmt.i_bitrate    = GetDWLE( &p_wf->nAvgBytesPerSec ) * 8;
2114                 tracks[i_track]->fmt.audio.i_blockalign = GetWLE( &p_wf->nBlockAlign );;
2115                 tracks[i_track]->fmt.audio.i_bitspersample = GetWLE( &p_wf->wBitsPerSample );
2116
2117                 tracks[i_track]->fmt.i_extra            = GetWLE( &p_wf->cbSize );
2118                 if( tracks[i_track]->fmt.i_extra > 0 )
2119                 {
2120                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2121                     memcpy( tracks[i_track]->fmt.p_extra, &p_wf[1], tracks[i_track]->fmt.i_extra );
2122                 }
2123             }
2124         }
2125         else if( !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L3" ) ||
2126                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L2" ) ||
2127                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L1" ) )
2128         {
2129             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' );
2130         }
2131         else if( !strcmp( tracks[i_track]->psz_codec, "A_AC3" ) )
2132         {
2133             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' );
2134         }
2135         else if( !strcmp( tracks[i_track]->psz_codec, "A_DTS" ) )
2136         {
2137             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'd', 't', 's', ' ' );
2138         }
2139         else if( !strcmp( tracks[i_track]->psz_codec, "A_FLAC" ) )
2140         {
2141             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'f', 'l', 'a', 'c' );
2142             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2143             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2144             memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2145         }
2146         else if( !strcmp( tracks[i_track]->psz_codec, "A_VORBIS" ) )
2147         {
2148             int i, i_offset = 1, i_size[3], i_extra;
2149             uint8_t *p_extra;
2150
2151             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'v', 'o', 'r', 'b' );
2152
2153             /* Split the 3 headers */
2154             if( tracks[i_track]->p_extra_data[0] != 0x02 )
2155                 msg_Err( &sys.demuxer, "invalid vorbis header" );
2156
2157             for( i = 0; i < 2; i++ )
2158             {
2159                 i_size[i] = 0;
2160                 while( i_offset < tracks[i_track]->i_extra_data )
2161                 {
2162                     i_size[i] += tracks[i_track]->p_extra_data[i_offset];
2163                     if( tracks[i_track]->p_extra_data[i_offset++] != 0xff ) break;
2164                 }
2165             }
2166
2167             i_size[0] = __MIN(i_size[0], tracks[i_track]->i_extra_data - i_offset);
2168             i_size[1] = __MIN(i_size[1], tracks[i_track]->i_extra_data -i_offset -i_size[0]);
2169             i_size[2] = tracks[i_track]->i_extra_data - i_offset - i_size[0] - i_size[1];
2170
2171             tracks[i_track]->fmt.i_extra = 3 * 2 + i_size[0] + i_size[1] + i_size[2];
2172             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2173             p_extra = (uint8_t *)tracks[i_track]->fmt.p_extra; i_extra = 0;
2174             for( i = 0; i < 3; i++ )
2175             {
2176                 *(p_extra++) = i_size[i] >> 8;
2177                 *(p_extra++) = i_size[i] & 0xFF;
2178                 memcpy( p_extra, tracks[i_track]->p_extra_data + i_offset + i_extra,
2179                         i_size[i] );
2180                 p_extra += i_size[i];
2181                 i_extra += i_size[i];
2182             }
2183         }
2184         else if( !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG2/", strlen( "A_AAC/MPEG2/" ) ) ||
2185                  !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG4/", strlen( "A_AAC/MPEG4/" ) ) )
2186         {
2187             int i_profile, i_srate;
2188             static unsigned int i_sample_rates[] =
2189             {
2190                     96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050,
2191                         16000, 12000, 11025, 8000,  7350,  0,     0,     0
2192             };
2193
2194             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
2195             /* create data for faad (MP4DecSpecificDescrTag)*/
2196
2197             if( !strcmp( &tracks[i_track]->psz_codec[12], "MAIN" ) )
2198             {
2199                 i_profile = 0;
2200             }
2201             else if( !strcmp( &tracks[i_track]->psz_codec[12], "LC" ) )
2202             {
2203                 i_profile = 1;
2204             }
2205             else if( !strcmp( &tracks[i_track]->psz_codec[12], "SSR" ) )
2206             {
2207                 i_profile = 2;
2208             }
2209             else
2210             {
2211                 i_profile = 3;
2212             }
2213
2214             for( i_srate = 0; i_srate < 13; i_srate++ )
2215             {
2216                 if( i_sample_rates[i_srate] == tracks[i_track]->fmt.audio.i_rate )
2217                 {
2218                     break;
2219                 }
2220             }
2221             msg_Dbg( &sys.demuxer, "profile=%d srate=%d", i_profile, i_srate );
2222
2223             tracks[i_track]->fmt.i_extra = 2;
2224             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2225             ((uint8_t*)tracks[i_track]->fmt.p_extra)[0] = ((i_profile + 1) << 3) | ((i_srate&0xe) >> 1);
2226             ((uint8_t*)tracks[i_track]->fmt.p_extra)[1] = ((i_srate & 0x1) << 7) | (tracks[i_track]->fmt.audio.i_channels << 3);
2227         }
2228         else if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) ||
2229                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/LIT" ) ||
2230                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/FLOAT/IEEE" ) )
2231         {
2232             if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) )
2233             {
2234                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
2235             }
2236             else
2237             {
2238                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
2239             }
2240             tracks[i_track]->fmt.audio.i_blockalign = ( tracks[i_track]->fmt.audio.i_bitspersample + 7 ) / 8 * tracks[i_track]->fmt.audio.i_channels;
2241         }
2242         else if( !strcmp( tracks[i_track]->psz_codec, "A_TTA1" ) )
2243         {
2244             /* FIXME: support this codec */
2245             msg_Err( &sys.demuxer, "TTA not supported yet[%d, n=%d]", (int)i_track, tracks[i_track]->i_number );
2246             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2247         }
2248         else if( !strcmp( tracks[i_track]->psz_codec, "A_WAVPACK4" ) )
2249         {
2250             /* FIXME: support this codec */
2251             msg_Err( &sys.demuxer, "Wavpack not supported yet[%d, n=%d]", (int)i_track, tracks[i_track]->i_number );
2252             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2253         }
2254         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/UTF8" ) )
2255         {
2256             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 'u', 'b', 't' );
2257             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2258         }
2259         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/SSA" ) ||
2260                  !strcmp( tracks[i_track]->psz_codec, "S_TEXT/ASS" ) ||
2261                  !strcmp( tracks[i_track]->psz_codec, "S_SSA" ) ||
2262                  !strcmp( tracks[i_track]->psz_codec, "S_ASS" ))
2263         {
2264             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 's', 'a', ' ' );
2265             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2266         }
2267         else if( !strcmp( tracks[i_track]->psz_codec, "S_VOBSUB" ) )
2268         {
2269             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's','p','u',' ' );
2270             if( tracks[i_track]->i_extra_data )
2271             {
2272                 char *p_start;
2273                 char *p_buf = (char *)malloc( tracks[i_track]->i_extra_data + 1);
2274                 memcpy( p_buf, tracks[i_track]->p_extra_data , tracks[i_track]->i_extra_data );
2275                 p_buf[tracks[i_track]->i_extra_data] = '\0';
2276
2277                 p_start = strstr( p_buf, "size:" );
2278                 if( sscanf( p_start, "size: %dx%d",
2279                         &tracks[i_track]->fmt.subs.spu.i_original_frame_width, &tracks[i_track]->fmt.subs.spu.i_original_frame_height ) == 2 )
2280                 {
2281                     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 );
2282                 }
2283                 else
2284                 {
2285                     msg_Warn( &sys.demuxer, "reading original frame size for vobsub failed" );
2286                 }
2287                 free( p_buf );
2288             }
2289         }
2290         else if( !strcmp( tracks[i_track]->psz_codec, "B_VOBBTN" ) )
2291         {
2292             tracks[i_track]->fmt.i_cat = NAV_ES;
2293             continue;
2294         }
2295         else
2296         {
2297             msg_Err( &sys.demuxer, "unknow codec id=`%s'", tracks[i_track]->psz_codec );
2298             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2299         }
2300         if( tracks[i_track]->b_default )
2301         {
2302             tracks[i_track]->fmt.i_priority = 1000;
2303         }
2304
2305         tracks[i_track]->p_es = es_out_Add( sys.demuxer.out, &tracks[i_track]->fmt );
2306
2307         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_start_time );
2308     }
2309
2310     sys.i_start_pts = i_start_time;
2311     // reset the stream reading to the first cluster of the segment used
2312     es.I_O().setFilePointer( i_start_pos );
2313
2314     delete ep;
2315     ep = new EbmlParser( &es, segment, &sys.demuxer );
2316
2317     return true;
2318 }
2319
2320 void demux_sys_t::StartUiThread()
2321 {
2322     if ( !b_ui_hooked )
2323     {
2324         msg_Dbg( &demuxer, "Starting the UI Hook" );
2325         b_ui_hooked = true;
2326         /* FIXME hack hack hack hack FIXME */
2327         /* Get p_input and create variable */
2328         p_input = (input_thread_t *) vlc_object_find( &demuxer, VLC_OBJECT_INPUT, FIND_PARENT );
2329         var_Create( p_input, "x-start", VLC_VAR_INTEGER );
2330         var_Create( p_input, "y-start", VLC_VAR_INTEGER );
2331         var_Create( p_input, "x-end", VLC_VAR_INTEGER );
2332         var_Create( p_input, "y-end", VLC_VAR_INTEGER );
2333         var_Create( p_input, "color", VLC_VAR_ADDRESS );
2334         var_Create( p_input, "menu-palette", VLC_VAR_ADDRESS );
2335         var_Create( p_input, "highlight", VLC_VAR_BOOL );
2336         var_Create( p_input, "highlight-mutex", VLC_VAR_MUTEX );
2337
2338         /* Now create our event thread catcher */
2339         p_ev = (event_thread_t *) vlc_object_create( &demuxer, sizeof( event_thread_t ) );
2340         p_ev->p_demux = &demuxer;
2341         p_ev->b_die = VLC_FALSE;
2342         vlc_mutex_init( p_ev, &p_ev->lock );
2343         vlc_thread_create( p_ev, "mkv event thread handler", EventThread,
2344                         VLC_THREAD_PRIORITY_LOW, VLC_FALSE );
2345     }
2346 }
2347
2348 void demux_sys_t::StopUiThread()
2349 {
2350     if ( b_ui_hooked )
2351     {
2352         p_ev->b_die = VLC_TRUE;
2353
2354         vlc_thread_join( p_ev );
2355         vlc_object_destroy( p_ev );
2356
2357         p_ev = NULL;
2358
2359         var_Destroy( p_input, "highlight-mutex" );
2360         var_Destroy( p_input, "highlight" );
2361         var_Destroy( p_input, "x-start" );
2362         var_Destroy( p_input, "x-end" );
2363         var_Destroy( p_input, "y-start" );
2364         var_Destroy( p_input, "y-end" );
2365         var_Destroy( p_input, "color" );
2366         var_Destroy( p_input, "menu-palette" );
2367
2368         vlc_object_release( p_input );
2369
2370         msg_Dbg( &demuxer, "Stopping the UI Hook" );
2371     }
2372     b_ui_hooked = false;
2373 }
2374
2375 int demux_sys_t::EventMouse( vlc_object_t *p_this, char const *psz_var,
2376                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
2377 {
2378     event_thread_t *p_ev = (event_thread_t *) p_data;
2379     vlc_mutex_lock( &p_ev->lock );
2380     if( psz_var[6] == 'c' )
2381         p_ev->b_clicked = VLC_TRUE;
2382     else if( psz_var[6] == 'm' )
2383         p_ev->b_moved = VLC_TRUE;
2384     vlc_mutex_unlock( &p_ev->lock );
2385
2386     return VLC_SUCCESS;
2387 }
2388
2389 int demux_sys_t::EventKey( vlc_object_t *p_this, char const *psz_var,
2390                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
2391 {
2392     event_thread_t *p_ev = (event_thread_t *) p_data;
2393     vlc_mutex_lock( &p_ev->lock );
2394     p_ev->b_key = VLC_TRUE;
2395     vlc_mutex_unlock( &p_ev->lock );
2396
2397     return VLC_SUCCESS;
2398 }
2399
2400 int demux_sys_t::EventThread( vlc_object_t *p_this )
2401 {
2402     event_thread_t *p_ev = (event_thread_t*)p_this;
2403     demux_sys_t    *p_sys = p_ev->p_demux->p_sys;
2404     vlc_object_t   *p_vout = NULL;
2405
2406     p_ev->b_moved   = VLC_FALSE;
2407     p_ev->b_clicked = VLC_FALSE;
2408     p_ev->b_key     = VLC_FALSE;
2409
2410     /* catch all key event */
2411     var_AddCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2412
2413     /* main loop */
2414     while( !p_ev->b_die )
2415     {
2416         if ( !p_sys->b_pci_packet_set )
2417         {
2418             /* Wait 100ms */
2419             msleep( 100000 );
2420             continue;
2421         }
2422
2423         vlc_bool_t b_activated = VLC_FALSE;
2424
2425         /* KEY part */
2426         if( p_ev->b_key )
2427         {
2428             vlc_value_t valk;
2429             struct vlc_t::hotkey *p_hotkeys = p_ev->p_vlc->p_hotkeys;
2430             int i, i_action = -1;
2431
2432             vlc_mutex_lock( &p_ev->lock );
2433
2434             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2435
2436             var_Get( p_ev->p_vlc, "key-pressed", &valk );
2437             for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
2438             {
2439                 if( p_hotkeys[i].i_key == valk.i_int )
2440                 {
2441                     i_action = p_hotkeys[i].i_action;
2442                 }
2443             }
2444
2445             uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2446
2447             switch( i_action )
2448             {
2449             case ACTIONID_NAV_LEFT:
2450                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2451                 {
2452                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2453                     if ( p_button_ptr->left > 0 && p_button_ptr->left <= pci->hli.hl_gi.btn_ns )
2454                     {
2455                         i_curr_button = p_button_ptr->left;
2456                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2457                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2458                         if ( button_ptr.auto_action_mode )
2459                         {
2460                             vlc_mutex_unlock( &p_ev->lock );
2461                             vlc_mutex_lock( &p_sys->lock_demuxer );
2462
2463                             // process the button action
2464                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2465
2466                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2467                             vlc_mutex_lock( &p_ev->lock );
2468                         }
2469                     }
2470                 }
2471                 break;
2472             case ACTIONID_NAV_RIGHT:
2473                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2474                 {
2475                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2476                     if ( p_button_ptr->right > 0 && p_button_ptr->right <= pci->hli.hl_gi.btn_ns )
2477                     {
2478                         i_curr_button = p_button_ptr->right;
2479                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2480                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2481                         if ( button_ptr.auto_action_mode )
2482                         {
2483                             vlc_mutex_unlock( &p_ev->lock );
2484                             vlc_mutex_lock( &p_sys->lock_demuxer );
2485
2486                             // process the button action
2487                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2488
2489                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2490                             vlc_mutex_lock( &p_ev->lock );
2491                         }
2492                     }
2493                 }
2494                 break;
2495             case ACTIONID_NAV_UP:
2496                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2497                 {
2498                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2499                     if ( p_button_ptr->up > 0 && p_button_ptr->up <= pci->hli.hl_gi.btn_ns )
2500                     {
2501                         i_curr_button = p_button_ptr->up;
2502                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2503                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2504                         if ( button_ptr.auto_action_mode )
2505                         {
2506                             vlc_mutex_unlock( &p_ev->lock );
2507                             vlc_mutex_lock( &p_sys->lock_demuxer );
2508
2509                             // process the button action
2510                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2511
2512                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2513                             vlc_mutex_lock( &p_ev->lock );
2514                         }
2515                     }
2516                 }
2517                 break;
2518             case ACTIONID_NAV_DOWN:
2519                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2520                 {
2521                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2522                     if ( p_button_ptr->down > 0 && p_button_ptr->down <= pci->hli.hl_gi.btn_ns )
2523                     {
2524                         i_curr_button = p_button_ptr->down;
2525                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2526                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2527                         if ( button_ptr.auto_action_mode )
2528                         {
2529                             vlc_mutex_unlock( &p_ev->lock );
2530                             vlc_mutex_lock( &p_sys->lock_demuxer );
2531
2532                             // process the button action
2533                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2534
2535                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2536                             vlc_mutex_lock( &p_ev->lock );
2537                         }
2538                     }
2539                 }
2540                 break;
2541             case ACTIONID_NAV_ACTIVATE:
2542                 b_activated = VLC_TRUE;
2543
2544                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2545                 {
2546                     btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2547
2548                     vlc_mutex_unlock( &p_ev->lock );
2549                     vlc_mutex_lock( &p_sys->lock_demuxer );
2550
2551                     // process the button action
2552                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2553
2554                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2555                     vlc_mutex_lock( &p_ev->lock );
2556                 }
2557                 break;
2558             default:
2559                 break;
2560             }
2561             p_ev->b_key = VLC_FALSE;
2562             vlc_mutex_unlock( &p_ev->lock );
2563         }
2564
2565         /* MOUSE part */
2566         if( p_vout && ( p_ev->b_moved || p_ev->b_clicked ) )
2567         {
2568             vlc_value_t valx, valy;
2569
2570             vlc_mutex_lock( &p_ev->lock );
2571             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2572             var_Get( p_vout, "mouse-x", &valx );
2573             var_Get( p_vout, "mouse-y", &valy );
2574
2575             if( p_ev->b_clicked )
2576             {
2577                 int32_t button;
2578                 int32_t best,dist,d;
2579                 int32_t mx,my,dx,dy;
2580
2581                 b_activated = VLC_TRUE;
2582                 // get current button
2583                 best = 0;
2584                 dist = 0x08000000; /* >> than  (720*720)+(567*567); */
2585                 for(button = 1; button <= pci->hli.hl_gi.btn_ns; button++)
2586                 {
2587                     btni_t *button_ptr = &(pci->hli.btnit[button-1]);
2588
2589                     if(((unsigned)valx.i_int >= button_ptr->x_start)
2590                      && ((unsigned)valx.i_int <= button_ptr->x_end)
2591                      && ((unsigned)valy.i_int >= button_ptr->y_start)
2592                      && ((unsigned)valy.i_int <= button_ptr->y_end))
2593                     {
2594                         mx = (button_ptr->x_start + button_ptr->x_end)/2;
2595                         my = (button_ptr->y_start + button_ptr->y_end)/2;
2596                         dx = mx - valx.i_int;
2597                         dy = my - valy.i_int;
2598                         d = (dx*dx) + (dy*dy);
2599                         /* If the mouse is within the button and the mouse is closer
2600                         * to the center of this button then it is the best choice. */
2601                         if(d < dist) {
2602                             dist = d;
2603                             best = button;
2604                         }
2605                     }
2606                 }
2607
2608                 if ( best != 0)
2609                 {
2610                     btni_t button_ptr = pci->hli.btnit[best-1];
2611                     uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2612
2613                     msg_Dbg( &p_sys->demuxer, "Clicked button %d", best );
2614                     vlc_mutex_unlock( &p_ev->lock );
2615                     vlc_mutex_lock( &p_sys->lock_demuxer );
2616
2617                     // process the button action
2618                     p_sys->dvd_interpretor.SetSPRM( 0x88, best );
2619                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2620
2621                     msg_Dbg( &p_sys->demuxer, "Processed button %d", best );
2622
2623                     // select new button
2624                     if ( best != i_curr_button )
2625                     {
2626                         vlc_value_t val;
2627
2628                         if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
2629                         {
2630                             vlc_mutex_t *p_mutex = (vlc_mutex_t *) val.p_address;
2631                             uint32_t i_palette;
2632
2633                             if(button_ptr.btn_coln != 0) {
2634                                 i_palette = pci->hli.btn_colit.btn_coli[button_ptr.btn_coln-1][1];
2635                             } else {
2636                                 i_palette = 0;
2637                             }
2638
2639                             for( int i = 0; i < 4; i++ )
2640                             {
2641                                 uint32_t i_yuv = 0xFF;//p_sys->clut[(hl.palette>>(16+i*4))&0x0f];
2642                                 uint8_t i_alpha = (i_palette>>(i*4))&0x0f;
2643                                 i_alpha = i_alpha == 0xf ? 0xff : i_alpha << 4;
2644
2645                                 p_sys->palette[i][0] = (i_yuv >> 16) & 0xff;
2646                                 p_sys->palette[i][1] = (i_yuv >> 0) & 0xff;
2647                                 p_sys->palette[i][2] = (i_yuv >> 8) & 0xff;
2648                                 p_sys->palette[i][3] = i_alpha;
2649                             }
2650
2651                             vlc_mutex_lock( p_mutex );
2652                             val.i_int = button_ptr.x_start; var_Set( p_sys->p_input, "x-start", val );
2653                             val.i_int = button_ptr.x_end;   var_Set( p_sys->p_input, "x-end",   val );
2654                             val.i_int = button_ptr.y_start; var_Set( p_sys->p_input, "y-start", val );
2655                             val.i_int = button_ptr.y_end;   var_Set( p_sys->p_input, "y-end",   val );
2656
2657                             val.p_address = (void *)p_sys->palette;
2658                             var_Set( p_sys->p_input, "menu-palette", val );
2659
2660                             val.b_bool = VLC_TRUE; var_Set( p_sys->p_input, "highlight", val );
2661                             vlc_mutex_unlock( p_mutex );
2662                         }
2663                     }
2664                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2665                     vlc_mutex_lock( &p_ev->lock );
2666                 }
2667             }
2668             else if( p_ev->b_moved )
2669             {
2670 //                dvdnav_mouse_select( NULL, pci, valx.i_int, valy.i_int );
2671             }
2672
2673             p_ev->b_moved = VLC_FALSE;
2674             p_ev->b_clicked = VLC_FALSE;
2675             vlc_mutex_unlock( &p_ev->lock );
2676         }
2677
2678         /* VOUT part */
2679         if( p_vout && p_vout->b_die )
2680         {
2681             var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2682             var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2683             vlc_object_release( p_vout );
2684             p_vout = NULL;
2685         }
2686
2687         else if( p_vout == NULL )
2688         {
2689             p_vout = (vlc_object_t*) vlc_object_find( p_sys->p_input, VLC_OBJECT_VOUT,
2690                                       FIND_CHILD );
2691             if( p_vout)
2692             {
2693                 var_AddCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2694                 var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2695             }
2696         }
2697
2698         /* Wait a bit, 10ms */
2699         msleep( 10000 );
2700     }
2701
2702     /* Release callback */
2703     if( p_vout )
2704     {
2705         var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2706         var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2707         vlc_object_release( p_vout );
2708     }
2709     var_DelCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2710
2711     vlc_mutex_destroy( &p_ev->lock );
2712
2713     return VLC_SUCCESS;
2714 }
2715
2716 void matroska_segment_c::UnSelect( )
2717 {
2718     size_t i_track;
2719
2720     for( i_track = 0; i_track < tracks.size(); i_track++ )
2721     {
2722         if ( tracks[i_track]->p_es != NULL )
2723         {
2724 //            es_format_Clean( &tracks[i_track]->fmt );
2725             es_out_Del( sys.demuxer.out, tracks[i_track]->p_es );
2726             tracks[i_track]->p_es = NULL;
2727         }
2728     }
2729     delete ep;
2730     ep = NULL;
2731 }
2732
2733 void virtual_segment_c::PrepareChapters( )
2734 {
2735     if ( linked_segments.size() == 0 )
2736         return;
2737
2738     // !!! should be called only once !!!
2739     matroska_segment_c *p_segment;
2740     size_t i, j;
2741
2742     // copy editions from the first segment
2743     p_segment = linked_segments[0];
2744     p_editions = &p_segment->stored_editions;
2745
2746     for ( i=1 ; i<linked_segments.size(); i++ )
2747     {
2748         p_segment = linked_segments[i];
2749         // FIXME assume we have the same editions in all segments
2750         for (j=0; j<p_segment->stored_editions.size(); j++)
2751             (*p_editions)[j]->Append( *p_segment->stored_editions[j] );
2752     }
2753 }
2754
2755 std::string chapter_edition_c::GetMainName() const
2756 {
2757     if ( sub_chapters.size() )
2758     {
2759         return sub_chapters[0]->GetCodecName( true );
2760     }
2761     return "";
2762 }
2763
2764 int chapter_item_c::PublishChapters( input_title_t & title, int & i_user_chapters, int i_level )
2765 {
2766     // add support for meta-elements from codec like DVD Titles
2767     if ( !b_display_seekpoint || psz_name == "" )
2768     {
2769         psz_name = GetCodecName();
2770         if ( psz_name != "" )
2771             b_display_seekpoint = true;
2772     }
2773
2774     if (b_display_seekpoint)
2775     {
2776         seekpoint_t *sk = vlc_seekpoint_New();
2777
2778         sk->i_level = i_level;
2779         sk->i_time_offset = i_start_time;
2780         sk->psz_name = strdup( psz_name.c_str() );
2781
2782         // A start time of '0' is ok. A missing ChapterTime element is ok, too, because '0' is its default value.
2783         title.i_seekpoint++;
2784         title.seekpoint = (seekpoint_t**)realloc( title.seekpoint, title.i_seekpoint * sizeof( seekpoint_t* ) );
2785         title.seekpoint[title.i_seekpoint-1] = sk;
2786
2787         if ( b_user_display )
2788             i_user_chapters++;
2789     }
2790
2791     for ( size_t i=0; i<sub_chapters.size() ; i++)
2792     {
2793         sub_chapters[i]->PublishChapters( title, i_user_chapters, i_level+1 );
2794     }
2795
2796     i_seekpoint_num = i_user_chapters;
2797
2798     return i_user_chapters;
2799 }
2800
2801 bool virtual_segment_c::UpdateCurrentToChapter( demux_t & demux )
2802 {
2803     demux_sys_t & sys = *demux.p_sys;
2804     chapter_item_c *psz_curr_chapter;
2805     bool b_has_seeked = false;
2806
2807     /* update current chapter/seekpoint */
2808     if ( p_editions->size() )
2809     {
2810         /* 1st, we need to know in which chapter we are */
2811         psz_curr_chapter = (*p_editions)[i_current_edition]->FindTimecode( sys.i_pts, psz_current_chapter );
2812
2813         /* we have moved to a new chapter */
2814         if (psz_curr_chapter != NULL && psz_current_chapter != psz_curr_chapter)
2815         {
2816             if ( (*p_editions)[i_current_edition]->b_ordered )
2817             {
2818                 // Leave/Enter up to the link point
2819                 b_has_seeked = psz_curr_chapter->EnterAndLeave( psz_current_chapter );
2820                 if ( !b_has_seeked )
2821                 {
2822                     // only physically seek if necessary
2823                     if ( psz_current_chapter == NULL || (psz_current_chapter->i_end_time != psz_curr_chapter->i_start_time) )
2824                         Seek( demux, sys.i_pts, 0, psz_curr_chapter );
2825                 }
2826             }
2827
2828             if ( !b_has_seeked )
2829             {
2830                 psz_current_chapter = psz_curr_chapter;
2831                 if ( psz_curr_chapter->i_seekpoint_num > 0 )
2832                 {
2833                     demux.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
2834                     demux.info.i_title = sys.i_current_title = i_sys_title;
2835                     demux.info.i_seekpoint = psz_curr_chapter->i_seekpoint_num - 1;
2836                 }
2837             }
2838
2839             return true;
2840         }
2841         else if (psz_curr_chapter == NULL)
2842         {
2843             // out of the scope of the data described by chapters, leave the edition
2844             if ( (*p_editions)[i_current_edition]->b_ordered && psz_current_chapter != NULL )
2845             {
2846                 if ( !(*p_editions)[i_current_edition]->EnterAndLeave( psz_current_chapter, false ) )
2847                     psz_current_chapter = NULL;
2848                 else
2849                     return true;
2850             }
2851         }
2852     }
2853     return false;
2854 }
2855
2856 chapter_item_c *virtual_segment_c::BrowseCodecPrivate( unsigned int codec_id,
2857                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
2858                                     const void *p_cookie,
2859                                     size_t i_cookie_size )
2860 {
2861     // FIXME don't assume it is the first edition
2862     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
2863     if ( index != p_editions->end() )
2864     {
2865         chapter_item_c *p_result = (*index)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
2866         if ( p_result != NULL )
2867             return p_result;
2868     }
2869     return NULL;
2870 }
2871
2872 chapter_item_c *virtual_segment_c::FindChapter( int64_t i_find_uid )
2873 {
2874     // FIXME don't assume it is the first edition
2875     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
2876     if ( index != p_editions->end() )
2877     {
2878         chapter_item_c *p_result = (*index)->FindChapter( i_find_uid );
2879         if ( p_result != NULL )
2880             return p_result;
2881     }
2882     return NULL;
2883 }
2884
2885 chapter_item_c *chapter_item_c::BrowseCodecPrivate( unsigned int codec_id,
2886                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
2887                                     const void *p_cookie,
2888                                     size_t i_cookie_size )
2889 {
2890     // this chapter
2891     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2892     while ( index != codecs.end() )
2893     {
2894         if ( match( **index ,p_cookie, i_cookie_size ) )
2895             return this;
2896         index++;
2897     }
2898
2899     // sub-chapters
2900     chapter_item_c *p_result = NULL;
2901     std::vector<chapter_item_c*>::const_iterator index2 = sub_chapters.begin();
2902     while ( index2 != sub_chapters.end() )
2903     {
2904         p_result = (*index2)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
2905         if ( p_result != NULL )
2906             return p_result;
2907         index2++;
2908     }
2909
2910     return p_result;
2911 }
2912
2913 void chapter_item_c::Append( const chapter_item_c & chapter )
2914 {
2915     // we are appending content for the same chapter UID
2916     size_t i;
2917     chapter_item_c *p_chapter;
2918
2919     for ( i=0; i<chapter.sub_chapters.size(); i++ )
2920     {
2921         p_chapter = FindChapter( chapter.sub_chapters[i]->i_uid );
2922         if ( p_chapter != NULL )
2923         {
2924             p_chapter->Append( *chapter.sub_chapters[i] );
2925         }
2926         else
2927         {
2928             sub_chapters.push_back( chapter.sub_chapters[i] );
2929         }
2930     }
2931
2932     i_user_start_time = min( i_user_start_time, chapter.i_user_start_time );
2933     i_user_end_time = max( i_user_end_time, chapter.i_user_end_time );
2934 }
2935
2936 chapter_item_c * chapter_item_c::FindChapter( int64_t i_find_uid )
2937 {
2938     size_t i;
2939     chapter_item_c *p_result = NULL;
2940
2941     if ( i_uid == i_find_uid )
2942         return this;
2943
2944     for ( i=0; i<sub_chapters.size(); i++)
2945     {
2946         p_result = sub_chapters[i]->FindChapter( i_find_uid );
2947         if ( p_result != NULL )
2948             break;
2949     }
2950     return p_result;
2951 }
2952
2953 std::string chapter_item_c::GetCodecName( bool f_for_title ) const
2954 {
2955     std::string result;
2956
2957     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2958     while ( index != codecs.end() )
2959     {
2960         result = (*index)->GetCodecName( f_for_title );
2961         if ( result != "" )
2962             break;
2963         index++;
2964     }
2965
2966     return result;
2967 }
2968
2969 std::string dvd_chapter_codec_c::GetCodecName( bool f_for_title ) const
2970 {
2971     std::string result;
2972     if ( p_private_data->GetSize() >= 3)
2973     {
2974         const binary* p_data = p_private_data->GetBuffer();
2975 /*        if ( p_data[0] == MATROSKA_DVD_LEVEL_TT )
2976         {
2977             uint16_t i_title = (p_data[1] << 8) + p_data[2];
2978             char psz_str[11];
2979             sprintf( psz_str, " %d  ---", i_title );
2980             result = N_("---  DVD Title");
2981             result += psz_str;
2982         }
2983         else */ if ( p_data[0] == MATROSKA_DVD_LEVEL_LU )
2984         {
2985             char psz_str[11];
2986             sprintf( psz_str, " (%c%c)  ---", p_data[1], p_data[2] );
2987             result = N_("---  DVD Menu");
2988             result += psz_str;
2989         }
2990         else if ( p_data[0] == MATROSKA_DVD_LEVEL_SS && f_for_title )
2991         {
2992             if ( p_data[1] == 0x00 )
2993                 result = N_("First Played");
2994             else if ( p_data[1] == 0xC0 )
2995                 result = N_("Video Manager");
2996             else if ( p_data[1] == 0x80 )
2997             {
2998                 uint16_t i_title = (p_data[2] << 8) + p_data[3];
2999                 char psz_str[20];
3000                 sprintf( psz_str, " %d -----", i_title );
3001                 result = N_("----- Title");
3002                 result += psz_str;
3003             }
3004         }
3005     }
3006
3007     return result;
3008 }
3009
3010 int16 chapter_item_c::GetTitleNumber( ) const
3011 {
3012     int result = -1;
3013
3014     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
3015     while ( index != codecs.end() )
3016     {
3017         result = (*index)->GetTitleNumber( );
3018         if ( result >= 0 )
3019             break;
3020         index++;
3021     }
3022
3023     return result;
3024 }
3025
3026 int16 dvd_chapter_codec_c::GetTitleNumber()
3027 {
3028     if ( p_private_data->GetSize() >= 3)
3029     {
3030         const binary* p_data = p_private_data->GetBuffer();
3031         if ( p_data[0] == MATROSKA_DVD_LEVEL_SS )
3032         {
3033             return int16( (p_data[2] << 8) + p_data[3] );
3034         }
3035     }
3036     return -1;
3037 }
3038
3039 static void Seek( demux_t *p_demux, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter )
3040 {
3041     demux_sys_t        *p_sys = p_demux->p_sys;
3042     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3043     matroska_segment_c *p_segment = p_vsegment->Segment();
3044     mtime_t            i_time_offset = 0;
3045
3046     int         i_index;
3047
3048     msg_Dbg( p_demux, "seek request to "I64Fd" (%f%%)", i_date, f_percent );
3049     if( i_date < 0 && f_percent < 0 )
3050     {
3051         msg_Warn( p_demux, "cannot seek nowhere !" );
3052         return;
3053     }
3054     if( f_percent > 1.0 )
3055     {
3056         msg_Warn( p_demux, "cannot seek so far !" );
3057         return;
3058     }
3059
3060     /* seek without index or without date */
3061     if( f_percent >= 0 && (config_GetInt( p_demux, "mkv-seek-percent" ) || !p_segment->b_cues || i_date < 0 ))
3062     {
3063         if (p_sys->f_duration >= 0)
3064         {
3065             i_date = int64_t( f_percent * p_sys->f_duration * 1000.0 );
3066         }
3067         else
3068         {
3069             int64_t i_pos = int64_t( f_percent * stream_Size( p_demux->s ) );
3070
3071             msg_Dbg( p_demux, "inacurate way of seeking" );
3072             for( i_index = 0; i_index < p_segment->i_index; i_index++ )
3073             {
3074                 if( p_segment->p_indexes[i_index].i_position >= i_pos)
3075                 {
3076                     break;
3077                 }
3078             }
3079             if( i_index == p_segment->i_index )
3080             {
3081                 i_index--;
3082             }
3083
3084             i_date = p_segment->p_indexes[i_index].i_time;
3085
3086 #if 0
3087             if( p_segment->p_indexes[i_index].i_position < i_pos )
3088             {
3089                 EbmlElement *el;
3090
3091                 msg_Warn( p_demux, "searching for cluster, could take some time" );
3092
3093                 /* search a cluster */
3094                 while( ( el = p_sys->ep->Get() ) != NULL )
3095                 {
3096                     if( MKV_IS_ID( el, KaxCluster ) )
3097                     {
3098                         KaxCluster *cluster = (KaxCluster*)el;
3099
3100                         /* add it to the index */
3101                         p_segment->IndexAppendCluster( cluster );
3102
3103                         if( (int64_t)cluster->GetElementPosition() >= i_pos )
3104                         {
3105                             p_sys->cluster = cluster;
3106                             p_sys->ep->Down();
3107                             break;
3108                         }
3109                     }
3110                 }
3111             }
3112 #endif
3113         }
3114     }
3115
3116     p_vsegment->Seek( *p_demux, i_date, i_time_offset, psz_chapter );
3117 }
3118
3119 /*****************************************************************************
3120  * Demux: reads and demuxes data packets
3121  *****************************************************************************
3122  * Returns -1 in case of error, 0 in case of EOF, 1 otherwise
3123  *****************************************************************************/
3124 static int Demux( demux_t *p_demux)
3125 {
3126     demux_sys_t        *p_sys = p_demux->p_sys;
3127
3128     vlc_mutex_lock( &p_sys->lock_demuxer );
3129
3130     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3131     matroska_segment_c *p_segment = p_vsegment->Segment();
3132     if ( p_segment == NULL ) return 0;
3133     int                i_block_count = 0;
3134     int                i_return = 0;
3135
3136     for( ;; )
3137     {
3138         if ( p_sys->demuxer.b_die )
3139             break;
3140
3141         if( p_sys->i_pts >= p_sys->i_start_pts  )
3142             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3143             {
3144                 i_return = 1;
3145                 break;
3146             }
3147
3148         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3149         {
3150             /* nothing left to read in this ordered edition */
3151             if ( !p_vsegment->SelectNext() )
3152                 break;
3153             p_segment->UnSelect( );
3154
3155             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3156
3157             /* switch to the next segment */
3158             p_segment = p_vsegment->Segment();
3159             if ( !p_segment->Select( 0 ) )
3160             {
3161                 msg_Err( p_demux, "Failed to select new segment" );
3162                 break;
3163             }
3164             continue;
3165         }
3166
3167         KaxBlock *block;
3168         int64_t i_block_duration = 0;
3169         int64_t i_block_ref1;
3170         int64_t i_block_ref2;
3171
3172         if( p_segment->BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
3173         {
3174             if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered )
3175             {
3176                 const chapter_item_c *p_chap = p_vsegment->CurrentChapter();
3177                 // check if there are more chapters to read
3178                 if ( p_chap != NULL )
3179                 {
3180                     /* TODO handle successive chapters with the same user_start_time/user_end_time
3181                     if ( p_chap->i_user_start_time == p_chap->i_user_start_time )
3182                         p_vsegment->SelectNext();
3183                     */
3184                     p_sys->i_last_dts = p_sys->i_pts = p_chap->i_user_end_time;
3185                     p_sys->i_pts++; // trick to avoid staying on segments with no duration and no content
3186
3187                     i_return = 1;
3188                 }
3189
3190                 break;
3191             }
3192             else
3193             {
3194                 msg_Warn( p_demux, "cannot get block EOF?" );
3195                 p_segment->UnSelect( );
3196
3197                 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3198
3199                 /* switch to the next segment */
3200                 if ( !p_vsegment->SelectNext() )
3201                     // no more segments in this stream
3202                     break;
3203                 p_segment = p_vsegment->Segment();
3204                 if ( !p_segment->Select( 0 ) )
3205                 {
3206                     msg_Err( p_demux, "Failed to select new segment" );
3207                     break;
3208                 }
3209
3210                 continue;
3211             }
3212         }
3213
3214         mtime_t i_pts, i_dts;
3215
3216         mtime_t i_time = block->GlobalTimecode();
3217         if ( i_block_ref1 != 0 )
3218             i_time += min( 0, i_block_ref1 );
3219         if ( i_block_ref2 != 0 )
3220             i_time += min( 0, i_block_ref2 );
3221
3222         i_pts = (p_sys->i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
3223         i_dts = (p_sys->i_chapter_time + i_time) / (mtime_t) 1000;
3224
3225         if ( i_dts != i_pts && p_sys->i_last_dts >= i_dts )
3226             p_sys->i_last_dts += 200;
3227         else
3228             p_sys->i_last_dts = i_dts;
3229
3230         p_sys->i_pts = i_pts;
3231
3232         if( p_sys->i_pts >= p_sys->i_start_pts  )
3233         {
3234             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pts );
3235         }
3236
3237         if( i_pts >= p_sys->i_start_pts  )
3238             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3239             {
3240                 i_return = 1;
3241                 break;
3242             }
3243
3244         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3245         {
3246             /* nothing left to read in this ordered edition */
3247             if ( !p_vsegment->SelectNext() )
3248                 break;
3249             p_segment->UnSelect( );
3250
3251             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3252
3253             /* switch to the next segment */
3254             p_segment = p_vsegment->Segment();
3255             if ( !p_segment->Select( 0 ) )
3256             {
3257                 msg_Err( p_demux, "Failed to select new segment" );
3258                 break;
3259             }
3260             continue;
3261         }
3262
3263         BlockDecode( p_demux, block, i_pts, i_block_duration );
3264
3265         delete block;
3266         i_block_count++;
3267
3268         // TODO optimize when there is need to leave or when seeking has been called
3269         if( i_block_count > 5 )
3270         {
3271             i_return = 1;
3272             break;
3273         }
3274     }
3275
3276     vlc_mutex_unlock( &p_sys->lock_demuxer );
3277
3278     return i_return;
3279 }
3280
3281
3282
3283 /*****************************************************************************
3284  * Stream managment
3285  *****************************************************************************/
3286 vlc_stream_io_callback::vlc_stream_io_callback( stream_t *s_, vlc_bool_t b_owner_ )
3287 {
3288     s = s_;
3289     b_owner = b_owner_;
3290     mb_eof = VLC_FALSE;
3291 }
3292
3293 uint32 vlc_stream_io_callback::read( void *p_buffer, size_t i_size )
3294 {
3295     if( i_size <= 0 || mb_eof )
3296     {
3297         return 0;
3298     }
3299
3300     return stream_Read( s, p_buffer, i_size );
3301 }
3302 void vlc_stream_io_callback::setFilePointer(int64_t i_offset, seek_mode mode )
3303 {
3304     int64_t i_pos;
3305
3306     switch( mode )
3307     {
3308         case seek_beginning:
3309             i_pos = i_offset;
3310             break;
3311         case seek_end:
3312             i_pos = stream_Size( s ) - i_offset;
3313             break;
3314         default:
3315             i_pos= stream_Tell( s ) + i_offset;
3316             break;
3317     }
3318
3319     if( i_pos < 0 || i_pos >= stream_Size( s ) )
3320     {
3321         mb_eof = VLC_TRUE;
3322         return;
3323     }
3324
3325     mb_eof = VLC_FALSE;
3326     if( stream_Seek( s, i_pos ) )
3327     {
3328         mb_eof = VLC_TRUE;
3329     }
3330     return;
3331 }
3332 size_t vlc_stream_io_callback::write( const void *p_buffer, size_t i_size )
3333 {
3334     return 0;
3335 }
3336 uint64 vlc_stream_io_callback::getFilePointer( void )
3337 {
3338     if ( s == NULL )
3339         return 0;
3340     return stream_Tell( s );
3341 }
3342 void vlc_stream_io_callback::close( void )
3343 {
3344     return;
3345 }
3346
3347
3348 /*****************************************************************************
3349  * Ebml Stream parser
3350  *****************************************************************************/
3351 EbmlParser::EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux )
3352 {
3353     int i;
3354
3355     m_es = es;
3356     m_got = NULL;
3357     m_el[0] = el_start;
3358     mi_remain_size[0] = el_start->GetSize();
3359
3360     for( i = 1; i < 6; i++ )
3361     {
3362         m_el[i] = NULL;
3363     }
3364     mi_level = 1;
3365     mi_user_level = 1;
3366     mb_keep = VLC_FALSE;
3367     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3368 }
3369
3370 EbmlParser::~EbmlParser( void )
3371 {
3372     int i;
3373
3374     for( i = 1; i < mi_level; i++ )
3375     {
3376         if( !mb_keep )
3377         {
3378             delete m_el[i];
3379         }
3380         mb_keep = VLC_FALSE;
3381     }
3382 }
3383
3384 EbmlElement* EbmlParser::UnGet( uint64 i_block_pos, uint64 i_cluster_pos )
3385 {
3386     if ( mi_user_level > mi_level )
3387     {
3388         while ( mi_user_level != mi_level )
3389         {
3390             delete m_el[mi_user_level];
3391             m_el[mi_user_level] = NULL;
3392             mi_user_level--;
3393         }
3394     }
3395     m_got = NULL;
3396     mb_keep = VLC_FALSE;
3397     if ( m_el[1]->GetElementPosition() == i_cluster_pos )
3398     {
3399         m_es->I_O().setFilePointer( i_block_pos, seek_beginning );
3400         return (EbmlMaster*) m_el[1];
3401     }
3402     else
3403     {
3404         // seek to the previous Cluster
3405         m_es->I_O().setFilePointer( i_cluster_pos, seek_beginning );
3406         mi_level--;
3407         mi_user_level--;
3408         delete m_el[mi_level];
3409         m_el[mi_level] = NULL;
3410         return NULL;
3411     }
3412 }
3413
3414 void EbmlParser::Up( void )
3415 {
3416     if( mi_user_level == mi_level )
3417     {
3418         fprintf( stderr," arrrrrrrrrrrrrg Up cannot escape itself\n" );
3419     }
3420
3421     mi_user_level--;
3422 }
3423
3424 void EbmlParser::Down( void )
3425 {
3426     mi_user_level++;
3427     mi_level++;
3428 }
3429
3430 void EbmlParser::Keep( void )
3431 {
3432     mb_keep = VLC_TRUE;
3433 }
3434
3435 int EbmlParser::GetLevel( void )
3436 {
3437     return mi_user_level;
3438 }
3439
3440 void EbmlParser::Reset( demux_t *p_demux )
3441 {
3442     while ( mi_level > 0)
3443     {
3444         delete m_el[mi_level];
3445         m_el[mi_level] = NULL;
3446         mi_level--;
3447     }
3448     mi_user_level = mi_level = 1;
3449 #if LIBEBML_VERSION >= 0x000704
3450     // a little faster and cleaner
3451     m_es->I_O().setFilePointer( static_cast<KaxSegment*>(m_el[0])->GetGlobalPosition(0) );
3452 #else
3453     m_es->I_O().setFilePointer( m_el[0]->GetElementPosition() + m_el[0]->ElementSize(true) - m_el[0]->GetSize() );
3454 #endif
3455     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3456 }
3457
3458 EbmlElement *EbmlParser::Get( void )
3459 {
3460     int i_ulev = 0;
3461
3462     if( mi_user_level != mi_level )
3463     {
3464         return NULL;
3465     }
3466     if( m_got )
3467     {
3468         EbmlElement *ret = m_got;
3469         m_got = NULL;
3470
3471         return ret;
3472     }
3473
3474     if( m_el[mi_level] )
3475     {
3476         m_el[mi_level]->SkipData( *m_es, m_el[mi_level]->Generic().Context );
3477         if( !mb_keep )
3478         {
3479             delete m_el[mi_level];
3480         }
3481         mb_keep = VLC_FALSE;
3482     }
3483
3484     m_el[mi_level] = m_es->FindNextElement( m_el[mi_level - 1]->Generic().Context, i_ulev, 0xFFFFFFFFL, mb_dummy != 0, 1 );
3485 //    mi_remain_size[mi_level] = m_el[mi_level]->GetSize();
3486     if( i_ulev > 0 )
3487     {
3488         while( i_ulev > 0 )
3489         {
3490             if( mi_level == 1 )
3491             {
3492                 mi_level = 0;
3493                 return NULL;
3494             }
3495
3496             delete m_el[mi_level - 1];
3497             m_got = m_el[mi_level -1] = m_el[mi_level];
3498             m_el[mi_level] = NULL;
3499
3500             mi_level--;
3501             i_ulev--;
3502         }
3503         return NULL;
3504     }
3505     else if( m_el[mi_level] == NULL )
3506     {
3507         fprintf( stderr," m_el[mi_level] == NULL\n" );
3508     }
3509
3510     return m_el[mi_level];
3511 }
3512
3513
3514 /*****************************************************************************
3515  * Tools
3516  *  * LoadCues : load the cues element and update index
3517  *
3518  *  * LoadTags : load ... the tags element
3519  *
3520  *  * InformationCreate : create all information, load tags if present
3521  *
3522  *****************************************************************************/
3523 void matroska_segment_c::LoadCues( )
3524 {
3525     int64_t     i_sav_position = es.I_O().getFilePointer();
3526     EbmlParser  *ep;
3527     EbmlElement *el, *cues;
3528
3529     /* *** Load the cue if found *** */
3530     if( i_cues_position < 0 )
3531     {
3532         msg_Warn( &sys.demuxer, "no cues/empty cues found->seek won't be precise" );
3533
3534 //        IndexAppendCluster( cluster );
3535     }
3536
3537     vlc_bool_t b_seekable;
3538
3539     stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
3540     if( !b_seekable )
3541         return;
3542
3543     msg_Dbg( &sys.demuxer, "loading cues" );
3544     es.I_O().setFilePointer( i_cues_position, seek_beginning );
3545     cues = es.FindNextID( KaxCues::ClassInfos, 0xFFFFFFFFL);
3546
3547     if( cues == NULL )
3548     {
3549         msg_Err( &sys.demuxer, "cannot load cues (broken seekhead or file)" );
3550         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3551         return;
3552     }
3553
3554     ep = new EbmlParser( &es, cues, &sys.demuxer );
3555     while( ( el = ep->Get() ) != NULL )
3556     {
3557         if( MKV_IS_ID( el, KaxCuePoint ) )
3558         {
3559 #define idx p_indexes[i_index]
3560
3561             idx.i_track       = -1;
3562             idx.i_block_number= -1;
3563             idx.i_position    = -1;
3564             idx.i_time        = 0;
3565             idx.b_key         = VLC_TRUE;
3566
3567             ep->Down();
3568             while( ( el = ep->Get() ) != NULL )
3569             {
3570                 if( MKV_IS_ID( el, KaxCueTime ) )
3571                 {
3572                     KaxCueTime &ctime = *(KaxCueTime*)el;
3573
3574                     ctime.ReadData( es.I_O() );
3575
3576                     idx.i_time = uint64( ctime ) * i_timescale / (mtime_t)1000;
3577                 }
3578                 else if( MKV_IS_ID( el, KaxCueTrackPositions ) )
3579                 {
3580                     ep->Down();
3581                     while( ( el = ep->Get() ) != NULL )
3582                     {
3583                         if( MKV_IS_ID( el, KaxCueTrack ) )
3584                         {
3585                             KaxCueTrack &ctrack = *(KaxCueTrack*)el;
3586
3587                             ctrack.ReadData( es.I_O() );
3588                             idx.i_track = uint16( ctrack );
3589                         }
3590                         else if( MKV_IS_ID( el, KaxCueClusterPosition ) )
3591                         {
3592                             KaxCueClusterPosition &ccpos = *(KaxCueClusterPosition*)el;
3593
3594                             ccpos.ReadData( es.I_O() );
3595                             idx.i_position = segment->GetGlobalPosition( uint64( ccpos ) );
3596                         }
3597                         else if( MKV_IS_ID( el, KaxCueBlockNumber ) )
3598                         {
3599                             KaxCueBlockNumber &cbnum = *(KaxCueBlockNumber*)el;
3600
3601                             cbnum.ReadData( es.I_O() );
3602                             idx.i_block_number = uint32( cbnum );
3603                         }
3604                         else
3605                         {
3606                             msg_Dbg( &sys.demuxer, "         * Unknown (%s)", typeid(*el).name() );
3607                         }
3608                     }
3609                     ep->Up();
3610                 }
3611                 else
3612                 {
3613                     msg_Dbg( &sys.demuxer, "     * Unknown (%s)", typeid(*el).name() );
3614                 }
3615             }
3616             ep->Up();
3617
3618 #if 0
3619             msg_Dbg( &sys.demuxer, " * added time="I64Fd" pos="I64Fd
3620                      " track=%d bnum=%d", idx.i_time, idx.i_position,
3621                      idx.i_track, idx.i_block_number );
3622 #endif
3623
3624             i_index++;
3625             if( i_index >= i_index_max )
3626             {
3627                 i_index_max += 1024;
3628                 p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
3629             }
3630 #undef idx
3631         }
3632         else
3633         {
3634             msg_Dbg( &sys.demuxer, " * Unknown (%s)", typeid(*el).name() );
3635         }
3636     }
3637     delete ep;
3638     delete cues;
3639
3640     b_cues = VLC_TRUE;
3641
3642     msg_Dbg( &sys.demuxer, "loading cues done." );
3643     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3644 }
3645
3646 void matroska_segment_c::LoadTags( )
3647 {
3648     int64_t     i_sav_position = es.I_O().getFilePointer();
3649     EbmlParser  *ep;
3650     EbmlElement *el, *tags;
3651
3652     msg_Dbg( &sys.demuxer, "loading tags" );
3653     es.I_O().setFilePointer( i_tags_position, seek_beginning );
3654     tags = es.FindNextID( KaxTags::ClassInfos, 0xFFFFFFFFL);
3655
3656     if( tags == NULL )
3657     {
3658         msg_Err( &sys.demuxer, "cannot load tags (broken seekhead or file)" );
3659         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3660         return;
3661     }
3662
3663     msg_Dbg( &sys.demuxer, "Tags" );
3664     ep = new EbmlParser( &es, tags, &sys.demuxer );
3665     while( ( el = ep->Get() ) != NULL )
3666     {
3667         if( MKV_IS_ID( el, KaxTag ) )
3668         {
3669             msg_Dbg( &sys.demuxer, "+ Tag" );
3670             ep->Down();
3671             while( ( el = ep->Get() ) != NULL )
3672             {
3673                 if( MKV_IS_ID( el, KaxTagTargets ) )
3674                 {
3675                     msg_Dbg( &sys.demuxer, "|   + Targets" );
3676                     ep->Down();
3677                     while( ( el = ep->Get() ) != NULL )
3678                     {
3679                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3680                     }
3681                     ep->Up();
3682                 }
3683                 else if( MKV_IS_ID( el, KaxTagGeneral ) )
3684                 {
3685                     msg_Dbg( &sys.demuxer, "|   + General" );
3686                     ep->Down();
3687                     while( ( el = ep->Get() ) != NULL )
3688                     {
3689                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3690                     }
3691                     ep->Up();
3692                 }
3693                 else if( MKV_IS_ID( el, KaxTagGenres ) )
3694                 {
3695                     msg_Dbg( &sys.demuxer, "|   + Genres" );
3696                     ep->Down();
3697                     while( ( el = ep->Get() ) != NULL )
3698                     {
3699                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3700                     }
3701                     ep->Up();
3702                 }
3703                 else if( MKV_IS_ID( el, KaxTagAudioSpecific ) )
3704                 {
3705                     msg_Dbg( &sys.demuxer, "|   + Audio Specific" );
3706                     ep->Down();
3707                     while( ( el = ep->Get() ) != NULL )
3708                     {
3709                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3710                     }
3711                     ep->Up();
3712                 }
3713                 else if( MKV_IS_ID( el, KaxTagImageSpecific ) )
3714                 {
3715                     msg_Dbg( &sys.demuxer, "|   + Images Specific" );
3716                     ep->Down();
3717                     while( ( el = ep->Get() ) != NULL )
3718                     {
3719                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3720                     }
3721                     ep->Up();
3722                 }
3723                 else if( MKV_IS_ID( el, KaxTagMultiComment ) )
3724                 {
3725                     msg_Dbg( &sys.demuxer, "|   + Multi Comment" );
3726                 }
3727                 else if( MKV_IS_ID( el, KaxTagMultiCommercial ) )
3728                 {
3729                     msg_Dbg( &sys.demuxer, "|   + Multi Commercial" );
3730                 }
3731                 else if( MKV_IS_ID( el, KaxTagMultiDate ) )
3732                 {
3733                     msg_Dbg( &sys.demuxer, "|   + Multi Date" );
3734                 }
3735                 else if( MKV_IS_ID( el, KaxTagMultiEntity ) )
3736                 {
3737                     msg_Dbg( &sys.demuxer, "|   + Multi Entity" );
3738                 }
3739                 else if( MKV_IS_ID( el, KaxTagMultiIdentifier ) )
3740                 {
3741                     msg_Dbg( &sys.demuxer, "|   + Multi Identifier" );
3742                 }
3743                 else if( MKV_IS_ID( el, KaxTagMultiLegal ) )
3744                 {
3745                     msg_Dbg( &sys.demuxer, "|   + Multi Legal" );
3746                 }
3747                 else if( MKV_IS_ID( el, KaxTagMultiTitle ) )
3748                 {
3749                     msg_Dbg( &sys.demuxer, "|   + Multi Title" );
3750                 }
3751                 else
3752                 {
3753                     msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid( *el ).name() );
3754                 }
3755             }
3756             ep->Up();
3757         }
3758         else
3759         {
3760             msg_Dbg( &sys.demuxer, "+ Unknown (%s)", typeid( *el ).name() );
3761         }
3762     }
3763     delete ep;
3764     delete tags;
3765
3766     msg_Dbg( &sys.demuxer, "loading tags done." );
3767     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3768 }
3769
3770 /*****************************************************************************
3771  * ParseSeekHead:
3772  *****************************************************************************/
3773 void matroska_segment_c::ParseSeekHead( KaxSeekHead *seekhead )
3774 {
3775     EbmlElement *el;
3776     size_t i, j;
3777     int i_upper_level = 0;
3778
3779     msg_Dbg( &sys.demuxer, "|   + Seek head" );
3780
3781     /* Master elements */
3782     seekhead->Read( es, seekhead->Generic().Context, i_upper_level, el, true );
3783
3784     for( i = 0; i < seekhead->ListSize(); i++ )
3785     {
3786         EbmlElement *l = (*seekhead)[i];
3787
3788         if( MKV_IS_ID( l, KaxSeek ) )
3789         {
3790             EbmlMaster *sk = static_cast<EbmlMaster *>(l);
3791             EbmlId id = EbmlVoid::ClassInfos.GlobalId;
3792             int64_t i_pos = -1;
3793
3794             for( j = 0; j < sk->ListSize(); j++ )
3795             {
3796                 EbmlElement *l = (*sk)[j];
3797
3798                 if( MKV_IS_ID( l, KaxSeekID ) )
3799                 {
3800                     KaxSeekID &sid = *(KaxSeekID*)l;
3801                     id = EbmlId( sid.GetBuffer(), sid.GetSize() );
3802                 }
3803                 else if( MKV_IS_ID( l, KaxSeekPosition ) )
3804                 {
3805                     KaxSeekPosition &spos = *(KaxSeekPosition*)l;
3806                     i_pos = uint64( spos );
3807                 }
3808                 else
3809                 {
3810                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
3811                 }
3812             }
3813
3814             if( i_pos >= 0 )
3815             {
3816                 if( id == KaxCues::ClassInfos.GlobalId )
3817                 {
3818                     msg_Dbg( &sys.demuxer, "|   |   |   = cues at "I64Fd, i_pos );
3819                     i_cues_position = segment->GetGlobalPosition( i_pos );
3820                 }
3821                 else if( id == KaxChapters::ClassInfos.GlobalId )
3822                 {
3823                     msg_Dbg( &sys.demuxer, "|   |   |   = chapters at "I64Fd, i_pos );
3824                     i_chapters_position = segment->GetGlobalPosition( i_pos );
3825                 }
3826                 else if( id == KaxTags::ClassInfos.GlobalId )
3827                 {
3828                     msg_Dbg( &sys.demuxer, "|   |   |   = tags at "I64Fd, i_pos );
3829                     i_tags_position = segment->GetGlobalPosition( i_pos );
3830                 }
3831             }
3832         }
3833         else
3834         {
3835             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
3836         }
3837     }
3838 }
3839
3840 /*****************************************************************************
3841  * ParseTrackEntry:
3842  *****************************************************************************/
3843 void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
3844 {
3845     size_t i, j, k, n;
3846
3847     mkv_track_t *tk;
3848
3849     msg_Dbg( &sys.demuxer, "|   |   + Track Entry" );
3850
3851     tk = new mkv_track_t();
3852     tracks.push_back( tk );
3853
3854     /* Init the track */
3855     memset( tk, 0, sizeof( mkv_track_t ) );
3856
3857     es_format_Init( &tk->fmt, UNKNOWN_ES, 0 );
3858     tk->fmt.psz_language = strdup("English");
3859     tk->fmt.psz_description = NULL;
3860
3861     tk->b_default = VLC_TRUE;
3862     tk->b_enabled = VLC_TRUE;
3863     tk->b_silent = VLC_FALSE;
3864     tk->i_number = tracks.size() - 1;
3865     tk->i_extra_data = 0;
3866     tk->p_extra_data = NULL;
3867     tk->psz_codec = NULL;
3868     tk->i_default_duration = 0;
3869     tk->f_timecodescale = 1.0;
3870
3871     tk->b_inited = VLC_FALSE;
3872     tk->i_data_init = 0;
3873     tk->p_data_init = NULL;
3874
3875     tk->psz_codec_name = NULL;
3876     tk->psz_codec_settings = NULL;
3877     tk->psz_codec_info_url = NULL;
3878     tk->psz_codec_download_url = NULL;
3879
3880     tk->i_compression_type = MATROSKA_COMPRESSION_NONE;
3881
3882     for( i = 0; i < m->ListSize(); i++ )
3883     {
3884         EbmlElement *l = (*m)[i];
3885
3886         if( MKV_IS_ID( l, KaxTrackNumber ) )
3887         {
3888             KaxTrackNumber &tnum = *(KaxTrackNumber*)l;
3889
3890             tk->i_number = uint32( tnum );
3891             msg_Dbg( &sys.demuxer, "|   |   |   + Track Number=%u", uint32( tnum ) );
3892         }
3893         else  if( MKV_IS_ID( l, KaxTrackUID ) )
3894         {
3895             KaxTrackUID &tuid = *(KaxTrackUID*)l;
3896
3897             msg_Dbg( &sys.demuxer, "|   |   |   + Track UID=%u",  uint32( tuid ) );
3898         }
3899         else  if( MKV_IS_ID( l, KaxTrackType ) )
3900         {
3901             char *psz_type;
3902             KaxTrackType &ttype = *(KaxTrackType*)l;
3903
3904             switch( uint8(ttype) )
3905             {
3906                 case track_audio:
3907                     psz_type = "audio";
3908                     tk->fmt.i_cat = AUDIO_ES;
3909                     break;
3910                 case track_video:
3911                     psz_type = "video";
3912                     tk->fmt.i_cat = VIDEO_ES;
3913                     break;
3914                 case track_subtitle:
3915                     psz_type = "subtitle";
3916                     tk->fmt.i_cat = SPU_ES;
3917                     break;
3918                 case track_buttons:
3919                     psz_type = "buttons";
3920                     tk->fmt.i_cat = SPU_ES;
3921                     break;
3922                 default:
3923                     psz_type = "unknown";
3924                     tk->fmt.i_cat = UNKNOWN_ES;
3925                     break;
3926             }
3927
3928             msg_Dbg( &sys.demuxer, "|   |   |   + Track Type=%s", psz_type );
3929         }
3930 //        else  if( EbmlId( *l ) == KaxTrackFlagEnabled::ClassInfos.GlobalId )
3931 //        {
3932 //            KaxTrackFlagEnabled &fenb = *(KaxTrackFlagEnabled*)l;
3933
3934 //            tk->b_enabled = uint32( fenb );
3935 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Enabled=%u",
3936 //                     uint32( fenb )  );
3937 //        }
3938         else  if( MKV_IS_ID( l, KaxTrackFlagDefault ) )
3939         {
3940             KaxTrackFlagDefault &fdef = *(KaxTrackFlagDefault*)l;
3941
3942             tk->b_default = uint32( fdef );
3943             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default=%u", uint32( fdef )  );
3944         }
3945         else  if( MKV_IS_ID( l, KaxTrackFlagLacing ) )
3946         {
3947             KaxTrackFlagLacing &lac = *(KaxTrackFlagLacing*)l;
3948
3949             msg_Dbg( &sys.demuxer, "|   |   |   + Track Lacing=%d", uint32( lac ) );
3950         }
3951         else  if( MKV_IS_ID( l, KaxTrackMinCache ) )
3952         {
3953             KaxTrackMinCache &cmin = *(KaxTrackMinCache*)l;
3954
3955             msg_Dbg( &sys.demuxer, "|   |   |   + Track MinCache=%d", uint32( cmin ) );
3956         }
3957         else  if( MKV_IS_ID( l, KaxTrackMaxCache ) )
3958         {
3959             KaxTrackMaxCache &cmax = *(KaxTrackMaxCache*)l;
3960
3961             msg_Dbg( &sys.demuxer, "|   |   |   + Track MaxCache=%d", uint32( cmax ) );
3962         }
3963         else  if( MKV_IS_ID( l, KaxTrackDefaultDuration ) )
3964         {
3965             KaxTrackDefaultDuration &defd = *(KaxTrackDefaultDuration*)l;
3966
3967             tk->i_default_duration = uint64(defd);
3968             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default Duration="I64Fd, uint64(defd) );
3969         }
3970         else  if( MKV_IS_ID( l, KaxTrackTimecodeScale ) )
3971         {
3972             KaxTrackTimecodeScale &ttcs = *(KaxTrackTimecodeScale*)l;
3973
3974             tk->f_timecodescale = float( ttcs );
3975             msg_Dbg( &sys.demuxer, "|   |   |   + Track TimeCodeScale=%f", tk->f_timecodescale );
3976         }
3977         else if( MKV_IS_ID( l, KaxTrackName ) )
3978         {
3979             KaxTrackName &tname = *(KaxTrackName*)l;
3980
3981             tk->fmt.psz_description = ToUTF8( UTFstring( tname ) );
3982             msg_Dbg( &sys.demuxer, "|   |   |   + Track Name=%s", tk->fmt.psz_description );
3983         }
3984         else  if( MKV_IS_ID( l, KaxTrackLanguage ) )
3985         {
3986             KaxTrackLanguage &lang = *(KaxTrackLanguage*)l;
3987
3988             tk->fmt.psz_language = strdup( string( lang ).c_str() );
3989             msg_Dbg( &sys.demuxer,
3990                      "|   |   |   + Track Language=`%s'", tk->fmt.psz_language );
3991         }
3992         else  if( MKV_IS_ID( l, KaxCodecID ) )
3993         {
3994             KaxCodecID &codecid = *(KaxCodecID*)l;
3995
3996             tk->psz_codec = strdup( string( codecid ).c_str() );
3997             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecId=%s", string( codecid ).c_str() );
3998         }
3999         else  if( MKV_IS_ID( l, KaxCodecPrivate ) )
4000         {
4001             KaxCodecPrivate &cpriv = *(KaxCodecPrivate*)l;
4002
4003             tk->i_extra_data = cpriv.GetSize();
4004             if( tk->i_extra_data > 0 )
4005             {
4006                 tk->p_extra_data = (uint8_t*)malloc( tk->i_extra_data );
4007                 memcpy( tk->p_extra_data, cpriv.GetBuffer(), tk->i_extra_data );
4008             }
4009             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecPrivate size="I64Fd, cpriv.GetSize() );
4010         }
4011         else if( MKV_IS_ID( l, KaxCodecName ) )
4012         {
4013             KaxCodecName &cname = *(KaxCodecName*)l;
4014
4015             tk->psz_codec_name = ToUTF8( UTFstring( cname ) );
4016             msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Name=%s", tk->psz_codec_name );
4017         }
4018         else if( MKV_IS_ID( l, KaxContentEncodings ) )
4019         {
4020             EbmlMaster *cencs = static_cast<EbmlMaster*>(l);
4021             MkvTree( sys.demuxer, 3, "Content Encodings" );
4022             for( j = 0; j < cencs->ListSize(); j++ )
4023             {
4024                 EbmlElement *l2 = (*cencs)[j];
4025                 if( MKV_IS_ID( l2, KaxContentEncoding ) )
4026                 {
4027                     MkvTree( sys.demuxer, 4, "Content Encoding" );
4028                     EbmlMaster *cenc = static_cast<EbmlMaster*>(l2);
4029                     for( k = 0; k < cenc->ListSize(); k++ )
4030                     {
4031                         EbmlElement *l3 = (*cenc)[k];
4032                         if( MKV_IS_ID( l3, KaxContentEncodingOrder ) )
4033                         {
4034                             KaxContentEncodingOrder &encord = *(KaxContentEncodingOrder*)l3;
4035                             MkvTree( sys.demuxer, 5, "Order: %i", uint32( encord ) );
4036                         }
4037                         else if( MKV_IS_ID( l3, KaxContentEncodingScope ) )
4038                         {
4039                             KaxContentEncodingScope &encscope = *(KaxContentEncodingScope*)l3;
4040                             MkvTree( sys.demuxer, 5, "Scope: %i", uint32( encscope ) );
4041                         }
4042                         else if( MKV_IS_ID( l3, KaxContentEncodingType ) )
4043                         {
4044                             KaxContentEncodingType &enctype = *(KaxContentEncodingType*)l3;
4045                             MkvTree( sys.demuxer, 5, "Type: %i", uint32( enctype ) );
4046                         }
4047                         else if( MKV_IS_ID( l3, KaxContentCompression ) )
4048                         {
4049                             EbmlMaster *compr = static_cast<EbmlMaster*>(l3);
4050                             MkvTree( sys.demuxer, 5, "Content Compression" );
4051                             for( n = 0; n < compr->ListSize(); n++ )
4052                             {
4053                                 EbmlElement *l4 = (*compr)[n];
4054                                 if( MKV_IS_ID( l4, KaxContentCompAlgo ) )
4055                                 {
4056                                     KaxContentCompAlgo &compalg = *(KaxContentCompAlgo*)l4;
4057                                     MkvTree( sys.demuxer, 6, "Compression Algorithm: %i", uint32(compalg) );
4058                                     if( uint32( compalg ) == 0 )
4059                                     {
4060                                         tk->i_compression_type = MATROSKA_COMPRESSION_ZLIB;
4061                                     }
4062                                 }
4063                                 else
4064                                 {
4065                                     MkvTree( sys.demuxer, 6, "Unknown (%s)", typeid(*l4).name() );
4066                                 }
4067                             }
4068                         }
4069
4070                         else
4071                         {
4072                             MkvTree( sys.demuxer, 5, "Unknown (%s)", typeid(*l3).name() );
4073                         }
4074                     }
4075
4076                 }
4077                 else
4078                 {
4079                     MkvTree( sys.demuxer, 4, "Unknown (%s)", typeid(*l2).name() );
4080                 }
4081             }
4082
4083         }
4084 //        else if( EbmlId( *l ) == KaxCodecSettings::ClassInfos.GlobalId )
4085 //        {
4086 //            KaxCodecSettings &cset = *(KaxCodecSettings*)l;
4087
4088 //            tk->psz_codec_settings = ToUTF8( UTFstring( cset ) );
4089 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Settings=%s", tk->psz_codec_settings );
4090 //        }
4091 //        else if( EbmlId( *l ) == KaxCodecInfoURL::ClassInfos.GlobalId )
4092 //        {
4093 //            KaxCodecInfoURL &ciurl = *(KaxCodecInfoURL*)l;
4094
4095 //            tk->psz_codec_info_url = strdup( string( ciurl ).c_str() );
4096 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_info_url );
4097 //        }
4098 //        else if( EbmlId( *l ) == KaxCodecDownloadURL::ClassInfos.GlobalId )
4099 //        {
4100 //            KaxCodecDownloadURL &cdurl = *(KaxCodecDownloadURL*)l;
4101
4102 //            tk->psz_codec_download_url = strdup( string( cdurl ).c_str() );
4103 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_download_url );
4104 //        }
4105 //        else if( EbmlId( *l ) == KaxCodecDecodeAll::ClassInfos.GlobalId )
4106 //        {
4107 //            KaxCodecDecodeAll &cdall = *(KaxCodecDecodeAll*)l;
4108
4109 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Decode All=%u <== UNUSED", uint8( cdall ) );
4110 //        }
4111 //        else if( EbmlId( *l ) == KaxTrackOverlay::ClassInfos.GlobalId )
4112 //        {
4113 //            KaxTrackOverlay &tovr = *(KaxTrackOverlay*)l;
4114
4115 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Overlay=%u <== UNUSED", uint32( tovr ) );
4116 //        }
4117         else  if( MKV_IS_ID( l, KaxTrackVideo ) )
4118         {
4119             EbmlMaster *tkv = static_cast<EbmlMaster*>(l);
4120             unsigned int j;
4121
4122             msg_Dbg( &sys.demuxer, "|   |   |   + Track Video" );
4123             tk->f_fps = 0.0;
4124
4125             tk->fmt.video.i_frame_rate_base = (unsigned int)(tk->i_default_duration / 1000);
4126             tk->fmt.video.i_frame_rate = 1000000;
4127
4128             for( j = 0; j < tkv->ListSize(); j++ )
4129             {
4130                 EbmlElement *l = (*tkv)[j];
4131 //                if( EbmlId( *el4 ) == KaxVideoFlagInterlaced::ClassInfos.GlobalId )
4132 //                {
4133 //                    KaxVideoFlagInterlaced &fint = *(KaxVideoFlagInterlaced*)el4;
4134
4135 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Interlaced=%u", uint8( fint ) );
4136 //                }
4137 //                else if( EbmlId( *el4 ) == KaxVideoStereoMode::ClassInfos.GlobalId )
4138 //                {
4139 //                    KaxVideoStereoMode &stereo = *(KaxVideoStereoMode*)el4;
4140
4141 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Stereo Mode=%u", uint8( stereo ) );
4142 //                }
4143 //                else
4144                 if( MKV_IS_ID( l, KaxVideoPixelWidth ) )
4145                 {
4146                     KaxVideoPixelWidth &vwidth = *(KaxVideoPixelWidth*)l;
4147
4148                     tk->fmt.video.i_width = uint16( vwidth );
4149                     msg_Dbg( &sys.demuxer, "|   |   |   |   + width=%d", uint16( vwidth ) );
4150                 }
4151                 else if( MKV_IS_ID( l, KaxVideoPixelHeight ) )
4152                 {
4153                     KaxVideoPixelWidth &vheight = *(KaxVideoPixelWidth*)l;
4154
4155                     tk->fmt.video.i_height = uint16( vheight );
4156                     msg_Dbg( &sys.demuxer, "|   |   |   |   + height=%d", uint16( vheight ) );
4157                 }
4158                 else if( MKV_IS_ID( l, KaxVideoDisplayWidth ) )
4159                 {
4160                     KaxVideoDisplayWidth &vwidth = *(KaxVideoDisplayWidth*)l;
4161
4162                     tk->fmt.video.i_visible_width = uint16( vwidth );
4163                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display width=%d", uint16( vwidth ) );
4164                 }
4165                 else if( MKV_IS_ID( l, KaxVideoDisplayHeight ) )
4166                 {
4167                     KaxVideoDisplayWidth &vheight = *(KaxVideoDisplayWidth*)l;
4168
4169                     tk->fmt.video.i_visible_height = uint16( vheight );
4170                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display height=%d", uint16( vheight ) );
4171                 }
4172                 else if( MKV_IS_ID( l, KaxVideoFrameRate ) )
4173                 {
4174                     KaxVideoFrameRate &vfps = *(KaxVideoFrameRate*)l;
4175
4176                     tk->f_fps = float( vfps );
4177                     msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( vfps ) );
4178                 }
4179 //                else if( EbmlId( *l ) == KaxVideoDisplayUnit::ClassInfos.GlobalId )
4180 //                {
4181 //                     KaxVideoDisplayUnit &vdmode = *(KaxVideoDisplayUnit*)l;
4182
4183 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Display Unit=%s",
4184 //                             uint8( vdmode ) == 0 ? "pixels" : ( uint8( vdmode ) == 1 ? "centimeters": "inches" ) );
4185 //                }
4186 //                else if( EbmlId( *l ) == KaxVideoAspectRatio::ClassInfos.GlobalId )
4187 //                {
4188 //                    KaxVideoAspectRatio &ratio = *(KaxVideoAspectRatio*)l;
4189
4190 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + Track Video Aspect Ratio Type=%u", uint8( ratio ) );
4191 //                }
4192 //                else if( EbmlId( *l ) == KaxVideoGamma::ClassInfos.GlobalId )
4193 //                {
4194 //                    KaxVideoGamma &gamma = *(KaxVideoGamma*)l;
4195
4196 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( gamma ) );
4197 //                }
4198                 else
4199                 {
4200                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4201                 }
4202             }
4203             if ( tk->fmt.video.i_visible_height && tk->fmt.video.i_visible_width )
4204                 tk->fmt.video.i_aspect = VOUT_ASPECT_FACTOR * tk->fmt.video.i_visible_width / tk->fmt.video.i_visible_height;
4205         }
4206         else  if( MKV_IS_ID( l, KaxTrackAudio ) )
4207         {
4208             EbmlMaster *tka = static_cast<EbmlMaster*>(l);
4209             unsigned int j;
4210
4211             msg_Dbg( &sys.demuxer, "|   |   |   + Track Audio" );
4212
4213             for( j = 0; j < tka->ListSize(); j++ )
4214             {
4215                 EbmlElement *l = (*tka)[j];
4216
4217                 if( MKV_IS_ID( l, KaxAudioSamplingFreq ) )
4218                 {
4219                     KaxAudioSamplingFreq &afreq = *(KaxAudioSamplingFreq*)l;
4220
4221                     tk->fmt.audio.i_rate = (int)float( afreq );
4222                     msg_Dbg( &sys.demuxer, "|   |   |   |   + afreq=%d", tk->fmt.audio.i_rate );
4223                 }
4224                 else if( MKV_IS_ID( l, KaxAudioChannels ) )
4225                 {
4226                     KaxAudioChannels &achan = *(KaxAudioChannels*)l;
4227
4228                     tk->fmt.audio.i_channels = uint8( achan );
4229                     msg_Dbg( &sys.demuxer, "|   |   |   |   + achan=%u", uint8( achan ) );
4230                 }
4231                 else if( MKV_IS_ID( l, KaxAudioBitDepth ) )
4232                 {
4233                     KaxAudioBitDepth &abits = *(KaxAudioBitDepth*)l;
4234
4235                     tk->fmt.audio.i_bitspersample = uint8( abits );
4236                     msg_Dbg( &sys.demuxer, "|   |   |   |   + abits=%u", uint8( abits ) );
4237                 }
4238                 else
4239                 {
4240                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4241                 }
4242             }
4243         }
4244         else
4245         {
4246             msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)",
4247                      typeid(*l).name() );
4248         }
4249     }
4250 }
4251
4252 /*****************************************************************************
4253  * ParseTracks:
4254  *****************************************************************************/
4255 void matroska_segment_c::ParseTracks( KaxTracks *tracks )
4256 {
4257     EbmlElement *el;
4258     unsigned int i;
4259     int i_upper_level = 0;
4260
4261     msg_Dbg( &sys.demuxer, "|   + Tracks" );
4262
4263     /* Master elements */
4264     tracks->Read( es, tracks->Generic().Context, i_upper_level, el, true );
4265
4266     for( i = 0; i < tracks->ListSize(); i++ )
4267     {
4268         EbmlElement *l = (*tracks)[i];
4269
4270         if( MKV_IS_ID( l, KaxTrackEntry ) )
4271         {
4272             ParseTrackEntry( static_cast<KaxTrackEntry *>(l) );
4273         }
4274         else
4275         {
4276             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4277         }
4278     }
4279 }
4280
4281 /*****************************************************************************
4282  * ParseInfo:
4283  *****************************************************************************/
4284 void matroska_segment_c::ParseInfo( KaxInfo *info )
4285 {
4286     EbmlElement *el;
4287     EbmlMaster  *m;
4288     size_t i, j;
4289     int i_upper_level = 0;
4290
4291     msg_Dbg( &sys.demuxer, "|   + Information" );
4292
4293     /* Master elements */
4294     m = static_cast<EbmlMaster *>(info);
4295     m->Read( es, info->Generic().Context, i_upper_level, el, true );
4296
4297     for( i = 0; i < m->ListSize(); i++ )
4298     {
4299         EbmlElement *l = (*m)[i];
4300
4301         if( MKV_IS_ID( l, KaxSegmentUID ) )
4302         {
4303             p_segment_uid = new KaxSegmentUID(*static_cast<KaxSegmentUID*>(l));
4304
4305             msg_Dbg( &sys.demuxer, "|   |   + UID=%d", *(uint32*)p_segment_uid->GetBuffer() );
4306         }
4307         else if( MKV_IS_ID( l, KaxPrevUID ) )
4308         {
4309             p_prev_segment_uid = new KaxPrevUID(*static_cast<KaxPrevUID*>(l));
4310
4311             msg_Dbg( &sys.demuxer, "|   |   + PrevUID=%d", *(uint32*)p_prev_segment_uid->GetBuffer() );
4312         }
4313         else if( MKV_IS_ID( l, KaxNextUID ) )
4314         {
4315             p_next_segment_uid = new KaxNextUID(*static_cast<KaxNextUID*>(l));
4316
4317             msg_Dbg( &sys.demuxer, "|   |   + NextUID=%d", *(uint32*)p_next_segment_uid->GetBuffer() );
4318         }
4319         else if( MKV_IS_ID( l, KaxTimecodeScale ) )
4320         {
4321             KaxTimecodeScale &tcs = *(KaxTimecodeScale*)l;
4322
4323             i_timescale = uint64(tcs);
4324
4325             msg_Dbg( &sys.demuxer, "|   |   + TimecodeScale="I64Fd,
4326                      i_timescale );
4327         }
4328         else if( MKV_IS_ID( l, KaxDuration ) )
4329         {
4330             KaxDuration &dur = *(KaxDuration*)l;
4331
4332             i_duration = mtime_t( double( dur ) );
4333
4334             msg_Dbg( &sys.demuxer, "|   |   + Duration="I64Fd,
4335                      i_duration );
4336         }
4337         else if( MKV_IS_ID( l, KaxMuxingApp ) )
4338         {
4339             KaxMuxingApp &mapp = *(KaxMuxingApp*)l;
4340
4341             psz_muxing_application = ToUTF8( UTFstring( mapp ) );
4342
4343             msg_Dbg( &sys.demuxer, "|   |   + Muxing Application=%s",
4344                      psz_muxing_application );
4345         }
4346         else if( MKV_IS_ID( l, KaxWritingApp ) )
4347         {
4348             KaxWritingApp &wapp = *(KaxWritingApp*)l;
4349
4350             psz_writing_application = ToUTF8( UTFstring( wapp ) );
4351
4352             msg_Dbg( &sys.demuxer, "|   |   + Writing Application=%s",
4353                      psz_writing_application );
4354         }
4355         else if( MKV_IS_ID( l, KaxSegmentFilename ) )
4356         {
4357             KaxSegmentFilename &sfn = *(KaxSegmentFilename*)l;
4358
4359             psz_segment_filename = ToUTF8( UTFstring( sfn ) );
4360
4361             msg_Dbg( &sys.demuxer, "|   |   + Segment Filename=%s",
4362                      psz_segment_filename );
4363         }
4364         else if( MKV_IS_ID( l, KaxTitle ) )
4365         {
4366             KaxTitle &title = *(KaxTitle*)l;
4367
4368             psz_title = ToUTF8( UTFstring( title ) );
4369
4370             msg_Dbg( &sys.demuxer, "|   |   + Title=%s", psz_title );
4371         }
4372         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
4373         {
4374             KaxSegmentFamily *uid = static_cast<KaxSegmentFamily*>(l);
4375
4376             families.push_back(*uid);
4377
4378             msg_Dbg( &sys.demuxer, "|   |   + family=%d", *(uint32*)uid->GetBuffer() );
4379         }
4380 #if defined( HAVE_GMTIME_R ) && !defined( SYS_DARWIN )
4381         else if( MKV_IS_ID( l, KaxDateUTC ) )
4382         {
4383             KaxDateUTC &date = *(KaxDateUTC*)l;
4384             time_t i_date;
4385             struct tm tmres;
4386             char   buffer[256];
4387
4388             i_date = date.GetEpochDate();
4389             memset( buffer, 0, 256 );
4390             if( gmtime_r( &i_date, &tmres ) &&
4391                 asctime_r( &tmres, buffer ) )
4392             {
4393                 buffer[strlen( buffer)-1]= '\0';
4394                 psz_date_utc = strdup( buffer );
4395                 msg_Dbg( &sys.demuxer, "|   |   + Date=%s", psz_date_utc );
4396             }
4397         }
4398 #endif
4399 #if LIBMATROSKA_VERSION >= 0x000704
4400         else if( MKV_IS_ID( l, KaxChapterTranslate ) )
4401         {
4402             KaxChapterTranslate *p_trans = static_cast<KaxChapterTranslate*>( l );
4403             chapter_translation_c *p_translate = new chapter_translation_c();
4404
4405             p_trans->Read( es, p_trans->Generic().Context, i_upper_level, el, true );
4406             for( j = 0; j < p_trans->ListSize(); j++ )
4407             {
4408                 EbmlElement *l = (*p_trans)[j];
4409
4410                 if( MKV_IS_ID( l, KaxChapterTranslateEditionUID ) )
4411                 {
4412                     p_translate->editions.push_back( uint64( *static_cast<KaxChapterTranslateEditionUID*>( l ) ) );
4413                 }
4414                 else if( MKV_IS_ID( l, KaxChapterTranslateCodec ) )
4415                 {
4416                     p_translate->codec_id = uint32( *static_cast<KaxChapterTranslateCodec*>( l ) );
4417                 }
4418                 else if( MKV_IS_ID( l, KaxChapterTranslateID ) )
4419                 {
4420                     p_translate->p_translated = new KaxChapterTranslateID( *static_cast<KaxChapterTranslateID*>( l ) );
4421                 }
4422             }
4423
4424             translations.push_back( p_translate );
4425         }
4426 #endif
4427         else
4428         {
4429             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4430         }
4431     }
4432
4433     double f_dur = double(i_duration) * double(i_timescale) / 1000000.0;
4434     i_duration = mtime_t(f_dur);
4435 }
4436
4437
4438 /*****************************************************************************
4439  * ParseChapterAtom
4440  *****************************************************************************/
4441 void matroska_segment_c::ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters )
4442 {
4443     size_t i, j;
4444
4445     msg_Dbg( &sys.demuxer, "|   |   |   + ChapterAtom (level=%d)", i_level );
4446     for( i = 0; i < ca->ListSize(); i++ )
4447     {
4448         EbmlElement *l = (*ca)[i];
4449
4450         if( MKV_IS_ID( l, KaxChapterUID ) )
4451         {
4452             chapters.i_uid = uint64_t(*(KaxChapterUID*)l);
4453             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterUID: %lld", chapters.i_uid );
4454         }
4455         else if( MKV_IS_ID( l, KaxChapterFlagHidden ) )
4456         {
4457             KaxChapterFlagHidden &flag =*(KaxChapterFlagHidden*)l;
4458             chapters.b_display_seekpoint = uint8( flag ) == 0;
4459
4460             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterFlagHidden: %s", chapters.b_display_seekpoint ? "no":"yes" );
4461         }
4462         else if( MKV_IS_ID( l, KaxChapterTimeStart ) )
4463         {
4464             KaxChapterTimeStart &start =*(KaxChapterTimeStart*)l;
4465             chapters.i_start_time = uint64( start ) / I64C(1000);
4466
4467             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeStart: %lld", chapters.i_start_time );
4468         }
4469         else if( MKV_IS_ID( l, KaxChapterTimeEnd ) )
4470         {
4471             KaxChapterTimeEnd &end =*(KaxChapterTimeEnd*)l;
4472             chapters.i_end_time = uint64( end ) / I64C(1000);
4473
4474             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeEnd: %lld", chapters.i_end_time );
4475         }
4476         else if( MKV_IS_ID( l, KaxChapterDisplay ) )
4477         {
4478             EbmlMaster *cd = static_cast<EbmlMaster *>(l);
4479
4480             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterDisplay" );
4481             for( j = 0; j < cd->ListSize(); j++ )
4482             {
4483                 EbmlElement *l= (*cd)[j];
4484
4485                 if( MKV_IS_ID( l, KaxChapterString ) )
4486                 {
4487                     int k;
4488
4489                     KaxChapterString &name =*(KaxChapterString*)l;
4490                     for (k = 0; k < i_level; k++)
4491                         chapters.psz_name += '+';
4492                     chapters.psz_name += ' ';
4493                     chapters.psz_name += ToUTF8( UTFstring( name ) );
4494                     chapters.b_user_display = true;
4495
4496                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterString '%s'", ToUTF8(UTFstring(name)) );
4497                 }
4498                 else if( MKV_IS_ID( l, KaxChapterLanguage ) )
4499                 {
4500                     KaxChapterLanguage &lang =*(KaxChapterLanguage*)l;
4501                     const char *psz = string( lang ).c_str();
4502
4503                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterLanguage '%s'", psz );
4504                 }
4505                 else if( MKV_IS_ID( l, KaxChapterCountry ) )
4506                 {
4507                     KaxChapterCountry &ct =*(KaxChapterCountry*)l;
4508                     const char *psz = string( ct ).c_str();
4509
4510                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterCountry '%s'", psz );
4511                 }
4512             }
4513         }
4514         else if( MKV_IS_ID( l, KaxChapterProcess ) )
4515         {
4516             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterProcess" );
4517
4518             KaxChapterProcess *cp = static_cast<KaxChapterProcess *>(l);
4519             chapter_codec_cmds_c *p_ccodec = NULL;
4520
4521             for( j = 0; j < cp->ListSize(); j++ )
4522             {
4523                 EbmlElement *k= (*cp)[j];
4524
4525                 if( MKV_IS_ID( k, KaxChapterProcessCodecID ) )
4526                 {
4527                     KaxChapterProcessCodecID *p_codec_id = static_cast<KaxChapterProcessCodecID*>( k );
4528                     if ( uint32(*p_codec_id) == 0 )
4529                         p_ccodec = new matroska_script_codec_c( sys );
4530                     else if ( uint32(*p_codec_id) == 1 )
4531                         p_ccodec = new dvd_chapter_codec_c( sys );
4532                     break;
4533                 }
4534             }
4535
4536             if ( p_ccodec != NULL )
4537             {
4538                 for( j = 0; j < cp->ListSize(); j++ )
4539                 {
4540                     EbmlElement *k= (*cp)[j];
4541
4542                     if( MKV_IS_ID( k, KaxChapterProcessPrivate ) )
4543                     {
4544                         KaxChapterProcessPrivate * p_private = static_cast<KaxChapterProcessPrivate*>( k );
4545                         p_ccodec->SetPrivate( *p_private );
4546                     }
4547                     else if( MKV_IS_ID( k, KaxChapterProcessCommand ) )
4548                     {
4549                         p_ccodec->AddCommand( *static_cast<KaxChapterProcessCommand*>( k ) );
4550                     }
4551                 }
4552                 chapters.codecs.push_back( p_ccodec );
4553             }
4554         }
4555         else if( MKV_IS_ID( l, KaxChapterAtom ) )
4556         {
4557             chapter_item_c *new_sub_chapter = new chapter_item_c();
4558             ParseChapterAtom( i_level+1, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4559             new_sub_chapter->psz_parent = &chapters;
4560             chapters.sub_chapters.push_back( new_sub_chapter );
4561         }
4562     }
4563 }
4564
4565 /*****************************************************************************
4566  * ParseChapters:
4567  *****************************************************************************/
4568 void matroska_segment_c::ParseChapters( KaxChapters *chapters )
4569 {
4570     EbmlElement *el;
4571     size_t i;
4572     int i_upper_level = 0;
4573     mtime_t i_dur;
4574
4575     /* Master elements */
4576     chapters->Read( es, chapters->Generic().Context, i_upper_level, el, true );
4577
4578     for( i = 0; i < chapters->ListSize(); i++ )
4579     {
4580         EbmlElement *l = (*chapters)[i];
4581
4582         if( MKV_IS_ID( l, KaxEditionEntry ) )
4583         {
4584             chapter_edition_c *p_edition = new chapter_edition_c();
4585
4586             EbmlMaster *E = static_cast<EbmlMaster *>(l );
4587             size_t j;
4588             msg_Dbg( &sys.demuxer, "|   |   + EditionEntry" );
4589             for( j = 0; j < E->ListSize(); j++ )
4590             {
4591                 EbmlElement *l = (*E)[j];
4592
4593                 if( MKV_IS_ID( l, KaxChapterAtom ) )
4594                 {
4595                     chapter_item_c *new_sub_chapter = new chapter_item_c();
4596                     ParseChapterAtom( 0, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4597                     p_edition->sub_chapters.push_back( new_sub_chapter );
4598                 }
4599                 else if( MKV_IS_ID( l, KaxEditionUID ) )
4600                 {
4601                     p_edition->i_uid = uint64(*static_cast<KaxEditionUID *>( l ));
4602                 }
4603                 else if( MKV_IS_ID( l, KaxEditionFlagOrdered ) )
4604                 {
4605                     p_edition->b_ordered = config_GetInt( &sys.demuxer, "mkv-use-ordered-chapters" ) ? (uint8(*static_cast<KaxEditionFlagOrdered *>( l )) != 0) : 0;
4606                 }
4607                 else if( MKV_IS_ID( l, KaxEditionFlagDefault ) )
4608                 {
4609                     if (uint8(*static_cast<KaxEditionFlagDefault *>( l )) != 0)
4610                         i_default_edition = stored_editions.size();
4611                 }
4612                 else
4613                 {
4614                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
4615                 }
4616             }
4617             stored_editions.push_back( p_edition );
4618         }
4619         else
4620         {
4621             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4622         }
4623     }
4624
4625     for( i = 0; i < stored_editions.size(); i++ )
4626     {
4627         stored_editions[i]->RefreshChapters( );
4628     }
4629
4630     if ( stored_editions.size() != 0 && stored_editions[i_default_edition]->b_ordered )
4631     {
4632         /* update the duration of the segment according to the sum of all sub chapters */
4633         i_dur = stored_editions[i_default_edition]->Duration() / I64C(1000);
4634         if (i_dur > 0)
4635             i_duration = i_dur;
4636     }
4637 }
4638
4639 void matroska_segment_c::ParseCluster( )
4640 {
4641     EbmlElement *el;
4642     EbmlMaster  *m;
4643     unsigned int i;
4644     int i_upper_level = 0;
4645
4646     /* Master elements */
4647     m = static_cast<EbmlMaster *>( cluster );
4648     m->Read( es, cluster->Generic().Context, i_upper_level, el, true );
4649
4650     for( i = 0; i < m->ListSize(); i++ )
4651     {
4652         EbmlElement *l = (*m)[i];
4653
4654         if( MKV_IS_ID( l, KaxClusterTimecode ) )
4655         {
4656             KaxClusterTimecode &ctc = *(KaxClusterTimecode*)l;
4657
4658             cluster->InitTimecode( uint64( ctc ), i_timescale );
4659             break;
4660         }
4661     }
4662
4663     i_start_time = cluster->GlobalTimecode() / 1000;
4664 }
4665
4666 /*****************************************************************************
4667  * InformationCreate:
4668  *****************************************************************************/
4669 void matroska_segment_c::InformationCreate( )
4670 {
4671     size_t      i_track;
4672
4673     sys.meta = vlc_meta_New();
4674
4675     if( psz_title )
4676     {
4677         vlc_meta_Add( sys.meta, VLC_META_TITLE, psz_title );
4678     }
4679     if( psz_date_utc )
4680     {
4681         vlc_meta_Add( sys.meta, VLC_META_DATE, psz_date_utc );
4682     }
4683     if( psz_segment_filename )
4684     {
4685         vlc_meta_Add( sys.meta, _("Segment filename"), psz_segment_filename );
4686     }
4687     if( psz_muxing_application )
4688     {
4689         vlc_meta_Add( sys.meta, _("Muxing application"), psz_muxing_application );
4690     }
4691     if( psz_writing_application )
4692     {
4693         vlc_meta_Add( sys.meta, _("Writing application"), psz_writing_application );
4694     }
4695
4696     for( i_track = 0; i_track < tracks.size(); i_track++ )
4697     {
4698         mkv_track_t *tk = tracks[i_track];
4699         vlc_meta_t *mtk = vlc_meta_New();
4700
4701         sys.meta->track = (vlc_meta_t**)realloc( sys.meta->track,
4702                                                     sizeof( vlc_meta_t * ) * ( sys.meta->i_track + 1 ) );
4703         sys.meta->track[sys.meta->i_track++] = mtk;
4704
4705         if( tk->fmt.psz_description )
4706         {
4707             vlc_meta_Add( sys.meta, VLC_META_DESCRIPTION, tk->fmt.psz_description );
4708         }
4709         if( tk->psz_codec_name )
4710         {
4711             vlc_meta_Add( sys.meta, VLC_META_CODEC_NAME, tk->psz_codec_name );
4712         }
4713         if( tk->psz_codec_settings )
4714         {
4715             vlc_meta_Add( sys.meta, VLC_META_SETTING, tk->psz_codec_settings );
4716         }
4717         if( tk->psz_codec_info_url )
4718         {
4719             vlc_meta_Add( sys.meta, VLC_META_CODEC_DESCRIPTION, tk->psz_codec_info_url );
4720         }
4721         if( tk->psz_codec_download_url )
4722         {
4723             vlc_meta_Add( sys.meta, VLC_META_URL, tk->psz_codec_download_url );
4724         }
4725     }
4726
4727     if( i_tags_position >= 0 )
4728     {
4729         vlc_bool_t b_seekable;
4730
4731         stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
4732         if( b_seekable )
4733         {
4734             LoadTags( );
4735         }
4736     }
4737 }
4738
4739
4740 /*****************************************************************************
4741  * Divers
4742  *****************************************************************************/
4743
4744 void matroska_segment_c::IndexAppendCluster( KaxCluster *cluster )
4745 {
4746 #define idx p_indexes[i_index]
4747     idx.i_track       = -1;
4748     idx.i_block_number= -1;
4749     idx.i_position    = cluster->GetElementPosition();
4750     idx.i_time        = -1;
4751     idx.b_key         = VLC_TRUE;
4752
4753     i_index++;
4754     if( i_index >= i_index_max )
4755     {
4756         i_index_max += 1024;
4757         p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
4758     }
4759 #undef idx
4760 }
4761
4762 void chapter_edition_c::RefreshChapters( )
4763 {
4764     chapter_item_c::RefreshChapters( b_ordered, -1 );
4765     b_display_seekpoint = false;
4766 }
4767
4768 int64_t chapter_item_c::RefreshChapters( bool b_ordered, int64_t i_prev_user_time )
4769 {
4770     int64_t i_user_time = i_prev_user_time;
4771
4772     // first the sub-chapters, and then ourself
4773     std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
4774     while ( index != sub_chapters.end() )
4775     {
4776         i_user_time = (*index)->RefreshChapters( b_ordered, i_user_time );
4777         index++;
4778     }
4779
4780     if ( b_ordered )
4781     {
4782         // the ordered chapters always start at zero
4783         if ( i_prev_user_time == -1 )
4784         {
4785             if ( i_user_time == -1 )
4786                 i_user_time = 0;
4787             i_prev_user_time = 0;
4788         }
4789
4790         i_user_start_time = i_prev_user_time;
4791         if ( i_end_time != -1 && i_user_time == i_prev_user_time )
4792         {
4793             i_user_end_time = i_user_start_time - i_start_time + i_end_time;
4794         }
4795         else
4796         {
4797             i_user_end_time = i_user_time;
4798         }
4799     }
4800     else
4801     {
4802         if ( sub_chapters.begin() != sub_chapters.end() )
4803             std::sort( sub_chapters.begin(), sub_chapters.end(), chapter_item_c::CompareTimecode );
4804         i_user_start_time = i_start_time;
4805         if ( i_end_time != -1 )
4806             i_user_end_time = i_end_time;
4807         else if ( i_user_time != -1 )
4808             i_user_end_time = i_user_time;
4809         else
4810             i_user_end_time = i_user_start_time;
4811     }
4812
4813     return i_user_end_time;
4814 }
4815
4816 mtime_t chapter_edition_c::Duration() const
4817 {
4818     mtime_t i_result = 0;
4819
4820     if ( sub_chapters.size() )
4821     {
4822         std::vector<chapter_item_c*>::const_iterator index = sub_chapters.end();
4823         index--;
4824         i_result = (*index)->i_user_end_time;
4825     }
4826
4827     return i_result;
4828 }
4829
4830 chapter_item_c * chapter_edition_c::FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current )
4831 {
4832     if ( !b_ordered )
4833         p_current = NULL;
4834     bool b_found_current = false;
4835     return chapter_item_c::FindTimecode( i_timecode, p_current, b_found_current );
4836 }
4837
4838 chapter_item_c *chapter_item_c::FindTimecode( mtime_t i_user_timecode, const chapter_item_c * p_current, bool & b_found )
4839 {
4840     chapter_item_c *psz_result = NULL;
4841
4842     if ( p_current == this )
4843         b_found = true;
4844
4845     if ( i_user_timecode >= i_user_start_time &&
4846         ( i_user_timecode < i_user_end_time ||
4847           ( i_user_start_time == i_user_end_time && i_user_timecode == i_user_end_time )))
4848     {
4849         std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
4850         while ( index != sub_chapters.end() && ((p_current == NULL && psz_result == NULL) || (p_current != NULL && (!b_found || psz_result == NULL))))
4851         {
4852             psz_result = (*index)->FindTimecode( i_user_timecode, p_current, b_found );
4853             index++;
4854         }
4855
4856         if ( psz_result == NULL )
4857             psz_result = this;
4858     }
4859
4860     return psz_result;
4861 }
4862
4863 bool chapter_item_c::ParentOf( const chapter_item_c & item ) const
4864 {
4865     if ( &item == this )
4866         return true;
4867
4868     std::vector<chapter_item_c*>::const_iterator index = sub_chapters.begin();
4869     while ( index != sub_chapters.end() )
4870     {
4871         if ( (*index)->ParentOf( item ) )
4872             return true;
4873         index++;
4874     }
4875
4876     return false;
4877 }
4878
4879 void demux_sys_t::PreloadFamily( const matroska_segment_c & of_segment )
4880 {
4881     for (size_t i=0; i<opened_segments.size(); i++)
4882     {
4883         opened_segments[i]->PreloadFamily( of_segment );
4884     }
4885 }
4886 bool matroska_segment_c::PreloadFamily( const matroska_segment_c & of_segment )
4887 {
4888     if ( b_preloaded )
4889         return false;
4890
4891     for (size_t i=0; i<families.size(); i++)
4892     {
4893         for (size_t j=0; j<of_segment.families.size(); j++)
4894         {
4895             if ( families[i] == of_segment.families[j] )
4896                 return Preload( );
4897         }
4898     }
4899
4900     return false;
4901 }
4902
4903 // preload all the linked segments for all preloaded segments
4904 void demux_sys_t::PreloadLinked( matroska_segment_c *p_segment )
4905 {
4906     size_t i_preloaded, i, j;
4907     virtual_segment_c *p_seg;
4908
4909     p_current_segment = VirtualFromSegments( p_segment );
4910
4911     used_segments.push_back( p_current_segment );
4912
4913     // create all the other virtual segments of the family
4914     do {
4915         i_preloaded = 0;
4916         for ( i=0; i< opened_segments.size(); i++ )
4917         {
4918             if ( opened_segments[i]->b_preloaded && !IsUsedSegment( *opened_segments[i] ) )
4919             {
4920                 p_seg = VirtualFromSegments( opened_segments[i] );
4921                 used_segments.push_back( p_seg );
4922                 i_preloaded++;
4923             }
4924         }
4925     } while ( i_preloaded ); // worst case: will stop when all segments are found as family related
4926
4927     // publish all editions of all usable segment
4928     for ( i=0; i< used_segments.size(); i++ )
4929     {
4930         p_seg = used_segments[i];
4931         if ( p_seg->p_editions != NULL )
4932         {
4933             std::string sz_name;
4934             input_title_t *p_title = vlc_input_title_New();
4935             p_seg->i_sys_title = i;
4936             int i_chapters;
4937
4938             // TODO use a name for each edition, let the TITLE deal with a codec name
4939             for ( j=0; j<p_seg->p_editions->size(); j++ )
4940             {
4941                 if ( p_title->psz_name == NULL )
4942                 {
4943                     sz_name = (*p_seg->p_editions)[j]->GetMainName();
4944                     if ( sz_name != "" )
4945                         p_title->psz_name = strdup( sz_name.c_str() );
4946                 }
4947
4948                 chapter_edition_c *p_edition = (*p_seg->p_editions)[j];
4949
4950                 i_chapters = 0;
4951                 p_edition->PublishChapters( *p_title, i_chapters, 0 );
4952             }
4953
4954             // create a name if there is none
4955             if ( p_title->psz_name == NULL )
4956             {
4957                 sz_name = N_("Segment ");
4958                 char psz_str[6];
4959                 sprintf( psz_str, "%d", (int)i );
4960                 sz_name += psz_str;
4961                 p_title->psz_name = strdup( sz_name.c_str() );
4962             }
4963
4964             titles.push_back( p_title );
4965         }
4966     }
4967
4968     // TODO decide which segment should be first used (VMG for DVD)
4969 }
4970
4971 bool demux_sys_t::IsUsedSegment( matroska_segment_c &segment ) const
4972 {
4973     for ( size_t i=0; i< used_segments.size(); i++ )
4974     {
4975         if ( used_segments[i]->FindUID( *segment.p_segment_uid ) )
4976             return true;
4977     }
4978     return false;
4979 }
4980
4981 virtual_segment_c *demux_sys_t::VirtualFromSegments( matroska_segment_c *p_segment ) const
4982 {
4983     size_t i_preloaded, i;
4984
4985     virtual_segment_c *p_result = new virtual_segment_c( p_segment );
4986
4987     // fill our current virtual segment with all hard linked segments
4988     do {
4989         i_preloaded = 0;
4990         for ( i=0; i< opened_segments.size(); i++ )
4991         {
4992             i_preloaded += p_result->AddSegment( opened_segments[i] );
4993         }
4994     } while ( i_preloaded ); // worst case: will stop when all segments are found as linked
4995
4996     p_result->Sort( );
4997
4998     p_result->PreloadLinked( );
4999
5000     p_result->PrepareChapters( );
5001
5002     return p_result;
5003 }
5004
5005 bool demux_sys_t::PreparePlayback( virtual_segment_c *p_new_segment )
5006 {
5007     if ( p_new_segment != NULL && p_new_segment != p_current_segment )
5008     {
5009         if ( p_current_segment != NULL && p_current_segment->Segment() != NULL )
5010             p_current_segment->Segment()->UnSelect();
5011
5012         p_current_segment = p_new_segment;
5013         i_current_title = p_new_segment->i_sys_title;
5014     }
5015
5016     p_current_segment->LoadCues();
5017     f_duration = p_current_segment->Duration();
5018
5019     /* add information */
5020     p_current_segment->Segment()->InformationCreate( );
5021
5022     p_current_segment->Segment()->Select( 0 );
5023
5024     return true;
5025 }
5026
5027 void demux_sys_t::JumpTo( virtual_segment_c & vsegment, chapter_item_c * p_chapter )
5028 {
5029     // if the segment is not part of the current segment, select the new one
5030     if ( &vsegment != p_current_segment )
5031     {
5032         PreparePlayback( &vsegment );
5033     }
5034
5035     if ( p_chapter != NULL )
5036     {
5037         if ( !p_chapter->Enter( true ) )
5038         {
5039             // jump to the location in the found segment
5040             vsegment.Seek( demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5041         }
5042     }
5043
5044 }
5045
5046 bool matroska_segment_c::CompareSegmentUIDs( const matroska_segment_c * p_item_a, const matroska_segment_c * p_item_b )
5047 {
5048     if ( p_item_a == NULL || p_item_b == NULL )
5049         return false;
5050
5051     EbmlBinary * p_itema = (EbmlBinary *)(p_item_a->p_segment_uid);
5052     if ( p_item_b->p_prev_segment_uid != NULL && *p_itema == *p_item_b->p_prev_segment_uid )
5053         return true;
5054
5055     p_itema = (EbmlBinary *)(&p_item_a->p_next_segment_uid);
5056     if ( p_item_b->p_segment_uid != NULL && *p_itema == *p_item_b->p_segment_uid )
5057         return true;
5058
5059     if ( p_item_b->p_prev_segment_uid != NULL && *p_itema == *p_item_b->p_prev_segment_uid )
5060         return true;
5061
5062     return false;
5063 }
5064
5065 bool matroska_segment_c::Preload( )
5066 {
5067     if ( b_preloaded )
5068         return false;
5069
5070     EbmlElement *el = NULL;
5071
5072     ep->Reset( &sys.demuxer );
5073
5074     while( ( el = ep->Get() ) != NULL )
5075     {
5076         if( MKV_IS_ID( el, KaxInfo ) )
5077         {
5078             ParseInfo( static_cast<KaxInfo*>( el ) );
5079         }
5080         else if( MKV_IS_ID( el, KaxTracks ) )
5081         {
5082             ParseTracks( static_cast<KaxTracks*>( el ) );
5083         }
5084         else if( MKV_IS_ID( el, KaxSeekHead ) )
5085         {
5086             ParseSeekHead( static_cast<KaxSeekHead*>( el ) );
5087         }
5088         else if( MKV_IS_ID( el, KaxCues ) )
5089         {
5090             msg_Dbg( &sys.demuxer, "|   + Cues" );
5091         }
5092         else if( MKV_IS_ID( el, KaxCluster ) )
5093         {
5094             msg_Dbg( &sys.demuxer, "|   + Cluster" );
5095
5096             cluster = (KaxCluster*)el;
5097
5098             i_cluster_pos = i_start_pos = cluster->GetElementPosition();
5099             ParseCluster( );
5100
5101             ep->Down();
5102             /* stop parsing the stream */
5103             break;
5104         }
5105         else if( MKV_IS_ID( el, KaxAttachments ) )
5106         {
5107             msg_Dbg( &sys.demuxer, "|   + Attachments FIXME (but probably never supported)" );
5108         }
5109         else if( MKV_IS_ID( el, KaxChapters ) )
5110         {
5111             msg_Dbg( &sys.demuxer, "|   + Chapters" );
5112             ParseChapters( static_cast<KaxChapters*>( el ) );
5113         }
5114         else if( MKV_IS_ID( el, KaxTag ) )
5115         {
5116             msg_Dbg( &sys.demuxer, "|   + Tags FIXME TODO" );
5117         }
5118         else
5119         {
5120             msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid(*el).name() );
5121         }
5122     }
5123
5124     b_preloaded = true;
5125
5126     return true;
5127 }
5128
5129 matroska_segment_c *demux_sys_t::FindSegment( const EbmlBinary & uid ) const
5130 {
5131     for (size_t i=0; i<opened_segments.size(); i++)
5132     {
5133         if ( *opened_segments[i]->p_segment_uid == uid )
5134             return opened_segments[i];
5135     }
5136     return NULL;
5137 }
5138
5139 chapter_item_c *demux_sys_t::BrowseCodecPrivate( unsigned int codec_id,
5140                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
5141                                         const void *p_cookie,
5142                                         size_t i_cookie_size,
5143                                         virtual_segment_c * &p_segment_found )
5144 {
5145     chapter_item_c *p_result = NULL;
5146     for (size_t i=0; i<used_segments.size(); i++)
5147     {
5148         p_result = used_segments[i]->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
5149         if ( p_result != NULL )
5150         {
5151             p_segment_found = used_segments[i];
5152             break;
5153         }
5154     }
5155     return p_result;
5156 }
5157
5158 chapter_item_c *demux_sys_t::FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found )
5159 {
5160     chapter_item_c *p_result = NULL;
5161     for (size_t i=0; i<used_segments.size(); i++)
5162     {
5163         p_result = used_segments[i]->FindChapter( i_find_uid );
5164         if ( p_result != NULL )
5165         {
5166             p_segment_found = used_segments[i];
5167             break;
5168         }
5169     }
5170     return p_result;
5171 }
5172
5173 void virtual_segment_c::Sort()
5174 {
5175     // keep the current segment index
5176     matroska_segment_c *p_segment = linked_segments[i_current_segment];
5177
5178     std::sort( linked_segments.begin(), linked_segments.end(), matroska_segment_c::CompareSegmentUIDs );
5179
5180     for ( i_current_segment=0; i_current_segment<linked_segments.size(); i_current_segment++)
5181         if ( linked_segments[i_current_segment] == p_segment )
5182             break;
5183 }
5184
5185 size_t virtual_segment_c::AddSegment( matroska_segment_c *p_segment )
5186 {
5187     size_t i;
5188     // check if it's not already in here
5189     for ( i=0; i<linked_segments.size(); i++ )
5190     {
5191         if ( *p_segment->p_segment_uid == *linked_segments[i]->p_segment_uid )
5192             return 0;
5193     }
5194
5195     // find possible mates
5196     for ( i=0; i<linked_uids.size(); i++ )
5197     {
5198         if (   (p_segment->p_segment_uid != NULL && *p_segment->p_segment_uid == linked_uids[i])
5199             || (p_segment->p_prev_segment_uid != NULL && *p_segment->p_prev_segment_uid == linked_uids[i])
5200             || (p_segment->p_next_segment_uid !=NULL && *p_segment->p_next_segment_uid == linked_uids[i]) )
5201         {
5202             linked_segments.push_back( p_segment );
5203
5204             AppendUID( p_segment->p_prev_segment_uid );
5205             AppendUID( p_segment->p_next_segment_uid );
5206
5207             return 1;
5208         }
5209     }
5210     return 0;
5211 }
5212
5213 void virtual_segment_c::PreloadLinked( )
5214 {
5215     for ( size_t i=0; i<linked_segments.size(); i++ )
5216     {
5217         linked_segments[i]->Preload( );
5218     }
5219     i_current_edition = linked_segments[0]->i_default_edition;
5220 }
5221
5222 mtime_t virtual_segment_c::Duration() const
5223 {
5224     mtime_t i_duration;
5225     if ( linked_segments.size() == 0 )
5226         i_duration = 0;
5227     else {
5228         matroska_segment_c *p_last_segment = linked_segments[linked_segments.size()-1];
5229 //        p_last_segment->ParseCluster( );
5230
5231         i_duration = p_last_segment->i_start_time / 1000 + p_last_segment->i_duration;
5232     }
5233     return i_duration;
5234 }
5235
5236 void virtual_segment_c::LoadCues( )
5237 {
5238     for ( size_t i=0; i<linked_segments.size(); i++ )
5239     {
5240         linked_segments[i]->LoadCues();
5241     }
5242 }
5243
5244 void virtual_segment_c::AppendUID( const EbmlBinary * p_UID )
5245 {
5246     if ( p_UID == NULL )
5247         return;
5248     if ( p_UID->GetBuffer() == NULL )
5249         return;
5250
5251     for (size_t i=0; i<linked_uids.size(); i++)
5252     {
5253         if ( *p_UID == linked_uids[i] )
5254             return;
5255     }
5256     linked_uids.push_back( *(KaxSegmentUID*)(p_UID) );
5257 }
5258
5259 void matroska_segment_c::Seek( mtime_t i_date, mtime_t i_time_offset )
5260 {
5261     KaxBlock    *block;
5262     int         i_track_skipping;
5263     int64_t     i_block_duration;
5264     int64_t     i_block_ref1;
5265     int64_t     i_block_ref2;
5266     size_t      i_track;
5267     int64_t     i_seek_position = i_start_pos;
5268     int64_t     i_seek_time = i_start_time;
5269
5270     if ( i_index > 0 )
5271     {
5272         int i_idx = 0;
5273
5274         for( ; i_idx < i_index; i_idx++ )
5275         {
5276             if( p_indexes[i_idx].i_time + i_time_offset > i_date )
5277             {
5278                 break;
5279             }
5280         }
5281
5282         if( i_idx > 0 )
5283         {
5284             i_idx--;
5285         }
5286
5287         i_seek_position = p_indexes[i_idx].i_position;
5288         i_seek_time = p_indexes[i_idx].i_time;
5289     }
5290
5291     msg_Dbg( &sys.demuxer, "seek got "I64Fd" (%d%%)",
5292                 i_seek_time, (int)( 100 * i_seek_position / stream_Size( sys.demuxer.s ) ) );
5293
5294     es.I_O().setFilePointer( i_seek_position, seek_beginning );
5295
5296     delete ep;
5297     ep = new EbmlParser( &es, segment, &sys.demuxer );
5298     cluster = NULL;
5299
5300     sys.i_start_pts = i_date;
5301
5302     es_out_Control( sys.demuxer.out, ES_OUT_RESET_PCR );
5303
5304     /* now parse until key frame */
5305     i_track_skipping = 0;
5306     for( i_track = 0; i_track < tracks.size(); i_track++ )
5307     {
5308         if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5309         {
5310             tracks[i_track]->b_search_keyframe = VLC_TRUE;
5311             i_track_skipping++;
5312         }
5313         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_date );
5314     }
5315
5316
5317     while( i_track_skipping > 0 )
5318     {
5319         if( BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
5320         {
5321             msg_Warn( &sys.demuxer, "cannot get block EOF?" );
5322
5323             return;
5324         }
5325         ep->Down();
5326
5327         for( i_track = 0; i_track < tracks.size(); i_track++ )
5328         {
5329             if( tracks[i_track]->i_number == block->TrackNum() )
5330             {
5331                 break;
5332             }
5333         }
5334
5335         sys.i_last_dts = sys.i_pts = (sys.i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
5336
5337         if( i_track < tracks.size() )
5338         {
5339            if( sys.i_pts >= sys.i_start_pts )
5340             {
5341                 cluster = static_cast<KaxCluster*>(ep->UnGet( i_block_pos, i_cluster_pos ));
5342                 i_track_skipping = 0;
5343             }
5344             else if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5345             {
5346                 if( i_block_ref1 == 0 && tracks[i_track]->b_search_keyframe )
5347                 {
5348                     tracks[i_track]->b_search_keyframe = VLC_FALSE;
5349                     i_track_skipping--;
5350                 }
5351                 if( !tracks[i_track]->b_search_keyframe )
5352                 {
5353                     BlockDecode( &sys.demuxer, block, sys.i_pts, 0 );
5354                 }
5355             }
5356         }
5357
5358         delete block;
5359     }
5360 }
5361
5362 void virtual_segment_c::Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter )
5363 {
5364     demux_sys_t *p_sys = demuxer.p_sys;
5365     size_t i;
5366
5367     // find the actual time for an ordered edition
5368     if ( psz_chapter == NULL )
5369     {
5370         if ( Edition() && Edition()->b_ordered )
5371         {
5372             /* 1st, we need to know in which chapter we are */
5373             psz_chapter = (*p_editions)[i_current_edition]->FindTimecode( i_date, psz_current_chapter );
5374         }
5375     }
5376
5377     if ( psz_chapter != NULL )
5378     {
5379         psz_current_chapter = psz_chapter;
5380         p_sys->i_chapter_time = i_time_offset = psz_chapter->i_user_start_time - psz_chapter->i_start_time;
5381         if ( psz_chapter->i_seekpoint_num > 0 )
5382         {
5383             demuxer.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
5384             demuxer.info.i_title = p_sys->i_current_title = i_sys_title;
5385             demuxer.info.i_seekpoint = psz_chapter->i_seekpoint_num - 1;
5386         }
5387     }
5388
5389     // find the best matching segment
5390     for ( i=0; i<linked_segments.size(); i++ )
5391     {
5392         if ( i_date < linked_segments[i]->i_start_time )
5393             break;
5394     }
5395
5396     if ( i > 0 )
5397         i--;
5398
5399     if ( i_current_segment != i  )
5400     {
5401         linked_segments[i_current_segment]->UnSelect();
5402         linked_segments[i]->Select( i_date );
5403         i_current_segment = i;
5404     }
5405
5406     linked_segments[i]->Seek( i_date, i_time_offset );
5407 }
5408
5409 void chapter_codec_cmds_c::AddCommand( const KaxChapterProcessCommand & command )
5410 {
5411     size_t i;
5412
5413     uint32 codec_time = uint32(-1);
5414     for( i = 0; i < command.ListSize(); i++ )
5415     {
5416         const EbmlElement *k = command[i];
5417
5418         if( MKV_IS_ID( k, KaxChapterProcessTime ) )
5419         {
5420             codec_time = uint32( *static_cast<const KaxChapterProcessTime*>( k ) );
5421             break;
5422         }
5423     }
5424
5425     for( i = 0; i < command.ListSize(); i++ )
5426     {
5427         const EbmlElement *k = command[i];
5428
5429         if( MKV_IS_ID( k, KaxChapterProcessData ) )
5430         {
5431             KaxChapterProcessData *p_data =  new KaxChapterProcessData( *static_cast<const KaxChapterProcessData*>( k ) );
5432             switch ( codec_time )
5433             {
5434             case 0:
5435                 during_cmds.push_back( p_data );
5436                 break;
5437             case 1:
5438                 enter_cmds.push_back( p_data );
5439                 break;
5440             case 2:
5441                 leave_cmds.push_back( p_data );
5442                 break;
5443             default:
5444                 delete p_data;
5445             }
5446         }
5447     }
5448 }
5449
5450 bool chapter_item_c::Enter( bool b_do_subs )
5451 {
5452     bool f_result = false;
5453     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5454     while ( index != codecs.end() )
5455     {
5456         f_result |= (*index)->Enter();
5457         index++;
5458     }
5459
5460     if ( b_do_subs )
5461     {
5462         // sub chapters
5463         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5464         while ( index_ != sub_chapters.end() )
5465         {
5466             f_result |= (*index_)->Enter( true );
5467             index_++;
5468         }
5469     }
5470     return f_result;
5471 }
5472
5473 bool chapter_item_c::Leave( bool b_do_subs )
5474 {
5475     bool f_result = false;
5476     b_is_leaving = true;
5477     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5478     while ( index != codecs.end() )
5479     {
5480         f_result |= (*index)->Leave();
5481         index++;
5482     }
5483
5484     if ( b_do_subs )
5485     {
5486         // sub chapters
5487         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5488         while ( index_ != sub_chapters.end() )
5489         {
5490             f_result |= (*index_)->Leave( true );
5491             index_++;
5492         }
5493     }
5494     b_is_leaving = false;
5495     return f_result;
5496 }
5497
5498 bool chapter_item_c::EnterAndLeave( chapter_item_c *p_item, bool b_final_enter )
5499 {
5500     chapter_item_c *p_common_parent = p_item;
5501
5502     // leave, up to a common parent
5503     while ( p_common_parent != NULL && !p_common_parent->ParentOf( *this ) )
5504     {
5505         if ( !p_common_parent->b_is_leaving && p_common_parent->Leave( false ) )
5506             return true;
5507         p_common_parent = p_common_parent->psz_parent;
5508     }
5509
5510     // enter from the parent to <this>
5511     if ( p_common_parent != NULL )
5512     {
5513         do
5514         {
5515             if ( p_common_parent == this )
5516                 return Enter( true );
5517
5518             for ( size_t i = 0; i<p_common_parent->sub_chapters.size(); i++ )
5519             {
5520                 if ( p_common_parent->sub_chapters[i]->ParentOf( *this ) )
5521                 {
5522                     p_common_parent = p_common_parent->sub_chapters[i];
5523                     if ( p_common_parent != this )
5524                         if ( p_common_parent->Enter( false ) )
5525                             return true;
5526
5527                     break;
5528                 }
5529             }
5530         } while ( 1 );
5531     }
5532
5533     if ( b_final_enter )
5534         return Enter( true );
5535     else
5536         return false;
5537 }
5538
5539 bool dvd_chapter_codec_c::Enter()
5540 {
5541     bool f_result = false;
5542     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
5543     while ( index != enter_cmds.end() )
5544     {
5545         if ( (*index)->GetSize() )
5546         {
5547             binary *p_data = (*index)->GetBuffer();
5548             size_t i_size = *p_data++;
5549             // avoid reading too much from the buffer
5550             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
5551             for ( ; i_size > 0; i_size--, p_data += 8 )
5552             {
5553                 msg_Dbg( &sys.demuxer, "Matroska DVD enter command" );
5554                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5555             }
5556         }
5557         index++;
5558     }
5559     return f_result;
5560 }
5561
5562 bool dvd_chapter_codec_c::Leave()
5563 {
5564     bool f_result = false;
5565     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
5566     while ( index != leave_cmds.end() )
5567     {
5568         if ( (*index)->GetSize() )
5569         {
5570             binary *p_data = (*index)->GetBuffer();
5571             size_t i_size = *p_data++;
5572             // avoid reading too much from the buffer
5573             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
5574             for ( ; i_size > 0; i_size--, p_data += 8 )
5575             {
5576                 msg_Dbg( &sys.demuxer, "Matroska DVD leave command" );
5577                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5578             }
5579         }
5580         index++;
5581     }
5582     return f_result;
5583 }
5584
5585 // see http://www.dvd-replica.com/DVD/vmcmdset.php for a description of DVD commands
5586 bool dvd_command_interpretor_c::Interpret( const binary * p_command, size_t i_size )
5587 {
5588     if ( i_size != 8 )
5589         return false;
5590
5591     virtual_segment_c *p_segment;
5592     chapter_item_c *p_chapter;
5593     bool f_result = false;
5594     uint16 i_command = ( p_command[0] << 8 ) + p_command[1];
5595
5596     // handle register tests if there are some
5597     if ( (i_command & 0xF0) != 0 )
5598     {
5599         bool b_test_positive = true;//(i_command & CMD_DVD_IF_NOT) == 0;
5600         bool b_test_value    = (i_command & CMD_DVD_TEST_VALUE) != 0;
5601         uint8 i_test = i_command & 0x70;
5602         uint16 i_value;
5603
5604         // see http://dvd.sourceforge.net/dvdinfo/vmi.html
5605         uint8  i_cr1;
5606         uint16 i_cr2;
5607         switch ( i_command >> 12 )
5608         {
5609         default:
5610             i_cr1 = p_command[3];
5611             i_cr2 = (p_command[4] << 8) + p_command[5];
5612             break;
5613         case 3:
5614         case 4:
5615         case 5:
5616             i_cr1 = p_command[6];
5617             i_cr2 = p_command[7];
5618             b_test_value = false;
5619             break;
5620         case 6:
5621         case 7:
5622             if ( ((p_command[1] >> 4) & 0x7) == 0)
5623             {
5624                 i_cr1 = p_command[2];
5625                 i_cr2 = (p_command[6] << 8) + p_command[7];
5626             }
5627             else
5628             {
5629                 i_cr1 = p_command[2];
5630                 i_cr2 = (p_command[6] << 8) + p_command[7];
5631             }
5632             break;
5633         }
5634
5635         if ( b_test_value )
5636             i_value = i_cr2;
5637         else
5638             i_value = GetPRM( i_cr2 );
5639
5640         switch ( i_test )
5641         {
5642         case CMD_DVD_IF_GPREG_EQUAL:
5643             // if equals
5644             msg_Dbg( &sys.demuxer, "IF %s EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5645             if (!( GetPRM( i_cr1 ) == i_value ))
5646             {
5647                 b_test_positive = false;
5648             }
5649             break;
5650         case CMD_DVD_IF_GPREG_NOT_EQUAL:
5651             // if not equals
5652             msg_Dbg( &sys.demuxer, "IF %s NOT EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5653             if (!( GetPRM( i_cr1 ) != i_value ))
5654             {
5655                 b_test_positive = false;
5656             }
5657             break;
5658         case CMD_DVD_IF_GPREG_INF:
5659             // if inferior
5660             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5661             if (!( GetPRM( i_cr1 ) < i_value ))
5662             {
5663                 b_test_positive = false;
5664             }
5665             break;
5666         case CMD_DVD_IF_GPREG_INF_EQUAL:
5667             // if inferior or equal
5668             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5669             if (!( GetPRM( i_cr1 ) <= i_value ))
5670             {
5671                 b_test_positive = false;
5672             }
5673             break;
5674         case CMD_DVD_IF_GPREG_AND:
5675             // if logical and
5676             msg_Dbg( &sys.demuxer, "IF %s & %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5677             if (!( GetPRM( i_cr1 ) & i_value ))
5678             {
5679                 b_test_positive = false;
5680             }
5681             break;
5682         case CMD_DVD_IF_GPREG_SUP:
5683             // if superior
5684             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5685             if (!( GetPRM( i_cr1 ) > i_value ))
5686             {
5687                 b_test_positive = false;
5688             }
5689             break;
5690         case CMD_DVD_IF_GPREG_SUP_EQUAL:
5691             // if superior or equal
5692             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5693             if (!( GetPRM( i_cr1 ) >= i_value ))
5694             {
5695                 b_test_positive = false;
5696             }
5697             break;
5698         }
5699
5700         if ( !b_test_positive )
5701             return false;
5702     }
5703
5704     // strip the test command
5705     i_command &= 0xFF0F;
5706
5707     switch ( i_command )
5708     {
5709     case CMD_DVD_NOP:
5710     case CMD_DVD_NOP2:
5711         {
5712             msg_Dbg( &sys.demuxer, "NOP" );
5713             break;
5714         }
5715     case CMD_DVD_BREAK:
5716         {
5717             msg_Dbg( &sys.demuxer, "Break" );
5718             // TODO
5719             break;
5720         }
5721     case CMD_DVD_JUMP_TT:
5722         {
5723             uint8 i_title = p_command[5];
5724             msg_Dbg( &sys.demuxer, "JumpTT %d", i_title );
5725
5726             // find in the ChapProcessPrivate matching this Title level
5727             p_chapter = sys.BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title), p_segment );
5728             if ( p_segment != NULL )
5729             {
5730                 sys.JumpTo( *p_segment, p_chapter );
5731                 f_result = true;
5732             }
5733
5734             break;
5735         }
5736     case CMD_DVD_CALLSS_VTSM1:
5737         {
5738             msg_Dbg( &sys.demuxer, "CallSS" );
5739             binary p_type;
5740             switch( (p_command[6] & 0xC0) >> 6 ) {
5741                 case 0:
5742                     p_type = p_command[5] & 0x0F;
5743                     switch ( p_type )
5744                     {
5745                     case 0x00:
5746                         msg_Dbg( &sys.demuxer, "CallSS PGC (rsm_cell %x)", p_command[4]);
5747                         break;
5748                     case 0x02:
5749                         msg_Dbg( &sys.demuxer, "CallSS Title Entry (rsm_cell %x)", p_command[4]);
5750                         break;
5751                     case 0x03:
5752                         msg_Dbg( &sys.demuxer, "CallSS Root Menu (rsm_cell %x)", p_command[4]);
5753                         break;
5754                     case 0x04:
5755                         msg_Dbg( &sys.demuxer, "CallSS Subpicture Menu (rsm_cell %x)", p_command[4]);
5756                         break;
5757                     case 0x05:
5758                         msg_Dbg( &sys.demuxer, "CallSS Audio Menu (rsm_cell %x)", p_command[4]);
5759                         break;
5760                     case 0x06:
5761                         msg_Dbg( &sys.demuxer, "CallSS Angle Menu (rsm_cell %x)", p_command[4]);
5762                         break;
5763                     case 0x07:
5764                         msg_Dbg( &sys.demuxer, "CallSS Chapter Menu (rsm_cell %x)", p_command[4]);
5765                         break;
5766                     default:
5767                         msg_Dbg( &sys.demuxer, "CallSS <unknown> (rsm_cell %x)", p_command[4]);
5768                         break;
5769                     }
5770                     p_chapter = sys.BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1, p_segment );
5771                     if ( p_segment != NULL )
5772                     {
5773                         sys.JumpTo( *p_segment, p_chapter );
5774                         f_result = true;
5775                     }
5776                 break;
5777                 case 1:
5778                     msg_Dbg( &sys.demuxer, "CallSS VMGM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
5779                 break;
5780                 case 2:
5781                     msg_Dbg( &sys.demuxer, "CallSS VTSM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
5782                 break;
5783                 case 3:
5784                     msg_Dbg( &sys.demuxer, "CallSS VMGM (pgc %d, rsm_cell %x)", (p_command[2] << 8) + p_command[3], p_command[4]);
5785                 break;
5786             }
5787             break;
5788         }
5789     case CMD_DVD_JUMP_SS:
5790         {
5791             msg_Dbg( &sys.demuxer, "JumpSS");
5792             binary p_type;
5793             switch( (p_command[5] & 0xC0) >> 6 ) {
5794                 case 0:
5795                     msg_Dbg( &sys.demuxer, "JumpSS FP");
5796                 break;
5797                 case 1:
5798                     p_type = p_command[5] & 0x0F;
5799                     switch ( p_type )
5800                     {
5801                     case 0x02:
5802                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Title Entry");
5803                         break;
5804                     case 0x03:
5805                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Root Menu");
5806                         break;
5807                     case 0x04:
5808                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Subpicture Menu");
5809                         break;
5810                     case 0x05:
5811                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Audio Menu");
5812                         break;
5813                     case 0x06:
5814                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Angle Menu");
5815                         break;
5816                     case 0x07:
5817                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Chapter Menu");
5818                         break;
5819                     default:
5820                         msg_Dbg( &sys.demuxer, "JumpSS <unknown>");
5821                         break;
5822                     }
5823                     // find the VMG
5824                     p_chapter = sys.BrowseCodecPrivate( 1, MatchIsVMG, NULL, 0, p_segment );
5825                     if ( p_segment != NULL )
5826                     {
5827                         p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
5828                         if ( p_chapter != NULL )
5829                         {
5830                             sys.JumpTo( *p_segment, p_chapter );
5831                             f_result = true;
5832                         }
5833                     }
5834                 break;
5835                 case 2:
5836                     p_type = p_command[5] & 0x0F;
5837                     switch ( p_type )
5838                     {
5839                     case 0x02:
5840                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Title Entry", p_command[4], p_command[3]);
5841                         break;
5842                     case 0x03:
5843                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Root Menu", p_command[4], p_command[3]);
5844                         break;
5845                     case 0x04:
5846                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Subpicture Menu", p_command[4], p_command[3]);
5847                         break;
5848                     case 0x05:
5849                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Audio Menu", p_command[4], p_command[3]);
5850                         break;
5851                     case 0x06:
5852                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Angle Menu", p_command[4], p_command[3]);
5853                         break;
5854                     case 0x07:
5855                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Chapter Menu", p_command[4], p_command[3]);
5856                         break;
5857                     default:
5858                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) <unknown>", p_command[4], p_command[3]);
5859                         break;
5860                     }
5861
5862                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSMNumber, &p_command[4], 1, p_segment );
5863
5864                     if ( p_segment != NULL && p_chapter != NULL )
5865                     {
5866                         // find the title in the VTS
5867                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &p_command[3], 1 );
5868                         if ( p_chapter != NULL )
5869                         {
5870                             // find the specified menu in the VTSM
5871                             p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
5872                             if ( p_chapter != NULL )
5873                             {
5874                                 sys.JumpTo( *p_segment, p_chapter );
5875                                 f_result = true;
5876                             }
5877                         }
5878                         else
5879                             msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", p_command[3] );
5880                     }
5881                     else
5882                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", p_command[4] );
5883                 break;
5884                 case 3:
5885                     msg_Dbg( &sys.demuxer, "JumpSS VMGM (pgc %d)", (p_command[2] << 8) + p_command[3]);
5886                 break;
5887             }
5888             break;
5889         }
5890     case CMD_DVD_JUMPVTS_PTT:
5891         {
5892             uint8 i_title = p_command[5];
5893             uint8 i_ptt = p_command[3];
5894
5895             msg_Dbg( &sys.demuxer, "JumpVTS Title (%d) PTT (%d)", i_title, i_ptt);
5896
5897             // find the current VTS content segment
5898             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchIsDomain, NULL, 0 );
5899             if ( p_chapter != NULL )
5900             {
5901                 int16 i_curr_title = p_chapter->GetTitleNumber( );
5902                 if ( i_curr_title > 0 )
5903                 {
5904                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSNumber, &i_curr_title, sizeof(i_curr_title), p_segment );
5905
5906                     if ( p_segment != NULL && p_chapter != NULL )
5907                     {
5908                         // find the title in the VTS
5909                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title) );
5910                         if ( p_chapter != NULL )
5911                         {
5912                             // find the chapter in the title
5913                             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchChapterNumber, &i_ptt, sizeof(i_ptt) );
5914                             if ( p_chapter != NULL )
5915                             {
5916                                 sys.JumpTo( *p_segment, p_chapter );
5917                                 f_result = true;
5918                             }
5919                         }
5920                     else
5921                         msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", i_title );
5922                     }
5923                     else
5924                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", i_curr_title );
5925                 }
5926                 else
5927                     msg_Dbg( &sys.demuxer, "JumpVTS_PTT command found but not in a VTS(M)");
5928             }
5929             else
5930                 msg_Dbg( &sys.demuxer, "JumpVTS_PTT command but the DVD domain wasn't found");
5931             break;
5932         }
5933     case CMD_DVD_SET_GPRMMD:
5934         {
5935             msg_Dbg( &sys.demuxer, "Set GPRMMD [%d]=%d", (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3]);
5936
5937             if ( !SetGPRM( (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3] ) )
5938                 msg_Dbg( &sys.demuxer, "Set GPRMMD failed" );
5939             break;
5940         }
5941     case CMD_DVD_LINKPGCN:
5942         {
5943             uint16 i_pgcn = (p_command[6] << 8) + p_command[7];
5944
5945             msg_Dbg( &sys.demuxer, "Link PGCN(%d)", i_pgcn );
5946             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchPgcNumber, &i_pgcn, 2 );
5947             if ( p_chapter != NULL )
5948             {
5949                 if ( !p_chapter->Enter( true ) )
5950                     // jump to the location in the found segment
5951                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5952
5953                 f_result = true;
5954             }
5955             break;
5956         }
5957     case CMD_DVD_LINKCN:
5958         {
5959             uint8 i_cn = p_command[7];
5960
5961             p_chapter = sys.p_current_segment->CurrentChapter();
5962
5963             msg_Dbg( &sys.demuxer, "LinkCN (cell %d)", i_cn );
5964             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchCellNumber, &i_cn, 1 );
5965             if ( p_chapter != NULL )
5966             {
5967                 if ( !p_chapter->Enter( true ) )
5968                     // jump to the location in the found segment
5969                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5970
5971                 f_result = true;
5972             }
5973             break;
5974         }
5975     case CMD_DVD_GOTO_LINE:
5976         {
5977             msg_Dbg( &sys.demuxer, "GotoLine (%d)", (p_command[6] << 8) + p_command[7] );
5978             // TODO
5979             break;
5980         }
5981     case CMD_DVD_SET_HL_BTNN1:
5982         {
5983             msg_Dbg( &sys.demuxer, "SetHL_BTN (%d)", p_command[4] );
5984             SetSPRM( 0x88, p_command[4] );
5985             break;
5986         }
5987     default:
5988         {
5989             msg_Dbg( &sys.demuxer, "unsupported command : %02X %02X %02X %02X %02X %02X %02X %02X"
5990                      ,p_command[0]
5991                      ,p_command[1]
5992                      ,p_command[2]
5993                      ,p_command[3]
5994                      ,p_command[4]
5995                      ,p_command[5]
5996                      ,p_command[6]
5997                      ,p_command[7]);
5998             break;
5999         }
6000     }
6001
6002     return f_result;
6003 }
6004
6005 bool dvd_command_interpretor_c::MatchIsDomain( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6006 {
6007     return ( data.p_private_data != NULL && data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS );
6008 }
6009
6010 bool dvd_command_interpretor_c::MatchIsVMG( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6011 {
6012     if ( data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
6013         return false;
6014
6015     return ( data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS && data.p_private_data->GetBuffer()[1] == 0xC0);
6016 }
6017
6018 bool dvd_command_interpretor_c::MatchVTSNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6019 {
6020     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6021         return false;
6022
6023     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x80 )
6024         return false;
6025
6026     uint16 i_gtitle = (data.p_private_data->GetBuffer()[2] << 8 ) + data.p_private_data->GetBuffer()[3];
6027     uint16 i_title = *(uint16*)p_cookie;
6028
6029     return (i_gtitle == i_title);
6030 }
6031
6032 bool dvd_command_interpretor_c::MatchVTSMNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6033 {
6034     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6035         return false;
6036
6037     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x40 )
6038         return false;
6039
6040     uint8 i_gtitle = data.p_private_data->GetBuffer()[3];
6041     uint8 i_title = *(uint8*)p_cookie;
6042
6043     return (i_gtitle == i_title);
6044 }
6045
6046 bool dvd_command_interpretor_c::MatchTitleNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6047 {
6048     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6049         return false;
6050
6051     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_TT )
6052         return false;
6053
6054     uint16 i_gtitle = (data.p_private_data->GetBuffer()[1] << 8 ) + data.p_private_data->GetBuffer()[2];
6055     uint8 i_title = *(uint8*)p_cookie;
6056
6057     return (i_gtitle == i_title);
6058 }
6059
6060 bool dvd_command_interpretor_c::MatchPgcType( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6061 {
6062     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6063         return false;
6064
6065     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6066         return false;
6067
6068     uint8 i_pgc_type = data.p_private_data->GetBuffer()[3] & 0x0F;
6069     uint8 i_pgc = *(uint8*)p_cookie;
6070
6071     return (i_pgc_type == i_pgc);
6072 }
6073
6074 bool dvd_command_interpretor_c::MatchPgcNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6075 {
6076     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6077         return false;
6078
6079     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6080         return false;
6081
6082     uint16 *i_pgc_n = (uint16 *)p_cookie;
6083     uint16 i_pgc_num = (data.p_private_data->GetBuffer()[1] << 8) + data.p_private_data->GetBuffer()[2];
6084
6085     return (i_pgc_num == *i_pgc_n);
6086 }
6087
6088 bool dvd_command_interpretor_c::MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6089 {
6090     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
6091         return false;
6092
6093     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PTT )
6094         return false;
6095
6096     uint8 i_chapter = data.p_private_data->GetBuffer()[1];
6097     uint8 i_ptt = *(uint8*)p_cookie;
6098
6099     return (i_chapter == i_ptt);
6100 }
6101
6102 bool dvd_command_interpretor_c::MatchCellNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6103 {
6104     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 5 )
6105         return false;
6106
6107     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_CN )
6108         return false;
6109
6110     uint8 *i_cell_n = (uint8 *)p_cookie;
6111     uint8 i_cell_num = data.p_private_data->GetBuffer()[3];
6112
6113     return (i_cell_num == *i_cell_n);
6114 }
6115
6116 bool matroska_script_codec_c::Enter()
6117 {
6118     bool f_result = false;
6119     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
6120     while ( index != enter_cmds.end() )
6121     {
6122         if ( (*index)->GetSize() )
6123         {
6124             msg_Dbg( &sys.demuxer, "Matroska Script enter command" );
6125             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6126         }
6127         index++;
6128     }
6129     return f_result;
6130 }
6131
6132 bool matroska_script_codec_c::Leave()
6133 {
6134     bool f_result = false;
6135     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
6136     while ( index != leave_cmds.end() )
6137     {
6138         if ( (*index)->GetSize() )
6139         {
6140             msg_Dbg( &sys.demuxer, "Matroska Script leave command" );
6141             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6142         }
6143         index++;
6144     }
6145     return f_result;
6146 }
6147
6148 // see http://www.matroska.org/technical/specs/chapters/index.html#mscript
6149 //  for a description of existing commands
6150 bool matroska_script_interpretor_c::Interpret( const binary * p_command, size_t i_size )
6151 {
6152     bool b_result = false;
6153
6154     char *psz_str = (char*) malloc( i_size + 1 );
6155     memcpy( psz_str, p_command, i_size );
6156     psz_str[ i_size ] = '\0';
6157
6158     std::string sz_command = psz_str;
6159     free( psz_str );
6160
6161     msg_Dbg( &sys.demuxer, "command : %s", sz_command.c_str() );
6162
6163 #if defined(__GNUC__) && (__GNUC__ < 3)
6164     if ( sz_command.compare( CMD_MS_GOTO_AND_PLAY, 0, CMD_MS_GOTO_AND_PLAY.size() ) == 0 )
6165 #else
6166     if ( sz_command.compare( 0, CMD_MS_GOTO_AND_PLAY.size(), CMD_MS_GOTO_AND_PLAY ) == 0 )
6167 #endif
6168     {
6169         size_t i,j;
6170
6171         // find the (
6172         for ( i=CMD_MS_GOTO_AND_PLAY.size(); i<sz_command.size(); i++)
6173         {
6174             if ( sz_command[i] == '(' )
6175             {
6176                 i++;
6177                 break;
6178             }
6179         }
6180         // find the )
6181         for ( j=i; j<sz_command.size(); j++)
6182         {
6183             if ( sz_command[j] == ')' )
6184             {
6185                 i--;
6186                 break;
6187             }
6188         }
6189
6190         std::string st = sz_command.substr( i+1, j-i-1 );
6191         int64_t i_chapter_uid = atoi( st.c_str() );
6192
6193         virtual_segment_c *p_segment;
6194         chapter_item_c *p_chapter = sys.FindChapter( i_chapter_uid, p_segment );
6195
6196         if ( p_chapter == NULL )
6197             msg_Dbg( &sys.demuxer, "Chapter "I64Fd" not found", i_chapter_uid);
6198         else
6199         {
6200             if ( !p_chapter->EnterAndLeave( sys.p_current_segment->CurrentChapter() ) )
6201                 p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6202             b_result = true;
6203         }
6204     }
6205
6206     return b_result;
6207 }
6208
6209 void demux_sys_t::SwapButtons()
6210 {
6211 #ifndef WORDS_BIGENDIAN
6212     uint8_t button, i, j;
6213
6214     for( button = 1; button <= pci_packet.hli.hl_gi.btn_ns; button++) {
6215         btni_t *button_ptr = &(pci_packet.hli.btnit[button-1]);
6216         binary *p_data = (binary*) button_ptr;
6217
6218         uint16 i_x_start = ((p_data[0] & 0x3F) << 4 ) + ( p_data[1] >> 4 );
6219         uint16 i_x_end   = ((p_data[1] & 0x03) << 8 ) + p_data[2];
6220         uint16 i_y_start = ((p_data[3] & 0x3F) << 4 ) + ( p_data[4] >> 4 );
6221         uint16 i_y_end   = ((p_data[4] & 0x03) << 8 ) + p_data[5];
6222         button_ptr->x_start = i_x_start;
6223         button_ptr->x_end   = i_x_end;
6224         button_ptr->y_start = i_y_start;
6225         button_ptr->y_end   = i_y_end;
6226
6227     }
6228     for ( i = 0; i<3; i++ )
6229     {
6230         for ( j = 0; j<2; j++ )
6231         {
6232             pci_packet.hli.btn_colit.btn_coli[i][j] = U32_AT( &pci_packet.hli.btn_colit.btn_coli[i][j] );
6233         }
6234     }
6235 #endif
6236 }