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, bool b_initial = false );
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, true );
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, bool b_initial )
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 = b_initial;
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 = b_initial || (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.i_extra = tracks[i_track]->i_extra_data;
2071                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2072                 memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2073             }
2074             else
2075             {
2076                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' );
2077             }
2078         }
2079         else if( !strcmp( tracks[i_track]->psz_codec, "V_QUICKTIME" ) )
2080         {
2081             MP4_Box_t *p_box = (MP4_Box_t*)malloc( sizeof( MP4_Box_t ) );
2082             stream_t *p_mp4_stream = stream_MemoryNew( VLC_OBJECT(&sys.demuxer),
2083                                                        tracks[i_track]->p_extra_data,
2084                                                        tracks[i_track]->i_extra_data,
2085                                                        VLC_FALSE );
2086             MP4_ReadBoxCommon( p_mp4_stream, p_box );
2087             MP4_ReadBox_sample_vide( p_mp4_stream, p_box );
2088             tracks[i_track]->fmt.i_codec = p_box->i_type;
2089             tracks[i_track]->fmt.video.i_width = p_box->data.p_sample_vide->i_width;
2090             tracks[i_track]->fmt.video.i_height = p_box->data.p_sample_vide->i_height;
2091             tracks[i_track]->fmt.i_extra = p_box->data.p_sample_vide->i_qt_image_description;
2092             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2093             memcpy( tracks[i_track]->fmt.p_extra, p_box->data.p_sample_vide->p_qt_image_description, tracks[i_track]->fmt.i_extra );
2094             MP4_FreeBox_sample_vide( p_box );
2095             stream_Delete( p_mp4_stream );
2096         }
2097         else if( !strcmp( tracks[i_track]->psz_codec, "A_MS/ACM" ) )
2098         {
2099             if( tracks[i_track]->i_extra_data < (int)sizeof( WAVEFORMATEX ) )
2100             {
2101                 msg_Err( &sys.demuxer, "missing/invalid WAVEFORMATEX" );
2102                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2103             }
2104             else
2105             {
2106                 WAVEFORMATEX *p_wf = (WAVEFORMATEX*)tracks[i_track]->p_extra_data;
2107
2108                 wf_tag_to_fourcc( GetWLE( &p_wf->wFormatTag ), &tracks[i_track]->fmt.i_codec, NULL );
2109
2110                 tracks[i_track]->fmt.audio.i_channels   = GetWLE( &p_wf->nChannels );
2111                 tracks[i_track]->fmt.audio.i_rate = GetDWLE( &p_wf->nSamplesPerSec );
2112                 tracks[i_track]->fmt.i_bitrate    = GetDWLE( &p_wf->nAvgBytesPerSec ) * 8;
2113                 tracks[i_track]->fmt.audio.i_blockalign = GetWLE( &p_wf->nBlockAlign );;
2114                 tracks[i_track]->fmt.audio.i_bitspersample = GetWLE( &p_wf->wBitsPerSample );
2115
2116                 tracks[i_track]->fmt.i_extra            = GetWLE( &p_wf->cbSize );
2117                 if( tracks[i_track]->fmt.i_extra > 0 )
2118                 {
2119                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2120                     memcpy( tracks[i_track]->fmt.p_extra, &p_wf[1], tracks[i_track]->fmt.i_extra );
2121                 }
2122             }
2123         }
2124         else if( !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L3" ) ||
2125                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L2" ) ||
2126                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L1" ) )
2127         {
2128             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' );
2129         }
2130         else if( !strcmp( tracks[i_track]->psz_codec, "A_AC3" ) )
2131         {
2132             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' );
2133         }
2134         else if( !strcmp( tracks[i_track]->psz_codec, "A_DTS" ) )
2135         {
2136             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'd', 't', 's', ' ' );
2137         }
2138         else if( !strcmp( tracks[i_track]->psz_codec, "A_FLAC" ) )
2139         {
2140             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'f', 'l', 'a', 'c' );
2141             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2142             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2143             memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2144         }
2145         else if( !strcmp( tracks[i_track]->psz_codec, "A_VORBIS" ) )
2146         {
2147             int i, i_offset = 1, i_size[3], i_extra;
2148             uint8_t *p_extra;
2149
2150             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'v', 'o', 'r', 'b' );
2151
2152             /* Split the 3 headers */
2153             if( tracks[i_track]->p_extra_data[0] != 0x02 )
2154                 msg_Err( &sys.demuxer, "invalid vorbis header" );
2155
2156             for( i = 0; i < 2; i++ )
2157             {
2158                 i_size[i] = 0;
2159                 while( i_offset < tracks[i_track]->i_extra_data )
2160                 {
2161                     i_size[i] += tracks[i_track]->p_extra_data[i_offset];
2162                     if( tracks[i_track]->p_extra_data[i_offset++] != 0xff ) break;
2163                 }
2164             }
2165
2166             i_size[0] = __MIN(i_size[0], tracks[i_track]->i_extra_data - i_offset);
2167             i_size[1] = __MIN(i_size[1], tracks[i_track]->i_extra_data -i_offset -i_size[0]);
2168             i_size[2] = tracks[i_track]->i_extra_data - i_offset - i_size[0] - i_size[1];
2169
2170             tracks[i_track]->fmt.i_extra = 3 * 2 + i_size[0] + i_size[1] + i_size[2];
2171             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2172             p_extra = (uint8_t *)tracks[i_track]->fmt.p_extra; i_extra = 0;
2173             for( i = 0; i < 3; i++ )
2174             {
2175                 *(p_extra++) = i_size[i] >> 8;
2176                 *(p_extra++) = i_size[i] & 0xFF;
2177                 memcpy( p_extra, tracks[i_track]->p_extra_data + i_offset + i_extra,
2178                         i_size[i] );
2179                 p_extra += i_size[i];
2180                 i_extra += i_size[i];
2181             }
2182         }
2183         else if( !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG2/", strlen( "A_AAC/MPEG2/" ) ) ||
2184                  !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG4/", strlen( "A_AAC/MPEG4/" ) ) )
2185         {
2186             int i_profile, i_srate;
2187             static unsigned int i_sample_rates[] =
2188             {
2189                     96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050,
2190                         16000, 12000, 11025, 8000,  7350,  0,     0,     0
2191             };
2192
2193             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
2194             /* create data for faad (MP4DecSpecificDescrTag)*/
2195
2196             if( !strcmp( &tracks[i_track]->psz_codec[12], "MAIN" ) )
2197             {
2198                 i_profile = 0;
2199             }
2200             else if( !strcmp( &tracks[i_track]->psz_codec[12], "LC" ) )
2201             {
2202                 i_profile = 1;
2203             }
2204             else if( !strcmp( &tracks[i_track]->psz_codec[12], "SSR" ) )
2205             {
2206                 i_profile = 2;
2207             }
2208             else
2209             {
2210                 i_profile = 3;
2211             }
2212
2213             for( i_srate = 0; i_srate < 13; i_srate++ )
2214             {
2215                 if( i_sample_rates[i_srate] == tracks[i_track]->fmt.audio.i_rate )
2216                 {
2217                     break;
2218                 }
2219             }
2220             msg_Dbg( &sys.demuxer, "profile=%d srate=%d", i_profile, i_srate );
2221
2222             tracks[i_track]->fmt.i_extra = 2;
2223             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2224             ((uint8_t*)tracks[i_track]->fmt.p_extra)[0] = ((i_profile + 1) << 3) | ((i_srate&0xe) >> 1);
2225             ((uint8_t*)tracks[i_track]->fmt.p_extra)[1] = ((i_srate & 0x1) << 7) | (tracks[i_track]->fmt.audio.i_channels << 3);
2226         }
2227         else if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) ||
2228                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/LIT" ) ||
2229                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/FLOAT/IEEE" ) )
2230         {
2231             if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) )
2232             {
2233                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
2234             }
2235             else
2236             {
2237                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
2238             }
2239             tracks[i_track]->fmt.audio.i_blockalign = ( tracks[i_track]->fmt.audio.i_bitspersample + 7 ) / 8 * tracks[i_track]->fmt.audio.i_channels;
2240         }
2241         else if( !strcmp( tracks[i_track]->psz_codec, "A_TTA1" ) )
2242         {
2243             /* FIXME: support this codec */
2244             msg_Err( &sys.demuxer, "TTA not supported yet[%d, n=%d]", (int)i_track, tracks[i_track]->i_number );
2245             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2246         }
2247         else if( !strcmp( tracks[i_track]->psz_codec, "A_WAVPACK4" ) )
2248         {
2249             /* FIXME: support this codec */
2250             msg_Err( &sys.demuxer, "Wavpack not supported yet[%d, n=%d]", (int)i_track, tracks[i_track]->i_number );
2251             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2252         }
2253         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/UTF8" ) )
2254         {
2255             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 'u', 'b', 't' );
2256             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2257         }
2258         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/SSA" ) ||
2259                  !strcmp( tracks[i_track]->psz_codec, "S_TEXT/ASS" ) ||
2260                  !strcmp( tracks[i_track]->psz_codec, "S_SSA" ) ||
2261                  !strcmp( tracks[i_track]->psz_codec, "S_ASS" ))
2262         {
2263             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 's', 'a', ' ' );
2264             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2265         }
2266         else if( !strcmp( tracks[i_track]->psz_codec, "S_VOBSUB" ) )
2267         {
2268             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's','p','u',' ' );
2269             if( tracks[i_track]->i_extra_data )
2270             {
2271                 char *p_start;
2272                 char *p_buf = (char *)malloc( tracks[i_track]->i_extra_data + 1);
2273                 memcpy( p_buf, tracks[i_track]->p_extra_data , tracks[i_track]->i_extra_data );
2274                 p_buf[tracks[i_track]->i_extra_data] = '\0';
2275
2276                 p_start = strstr( p_buf, "size:" );
2277                 if( sscanf( p_start, "size: %dx%d",
2278                         &tracks[i_track]->fmt.subs.spu.i_original_frame_width, &tracks[i_track]->fmt.subs.spu.i_original_frame_height ) == 2 )
2279                 {
2280                     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 );
2281                 }
2282                 else
2283                 {
2284                     msg_Warn( &sys.demuxer, "reading original frame size for vobsub failed" );
2285                 }
2286                 free( p_buf );
2287             }
2288         }
2289         else if( !strcmp( tracks[i_track]->psz_codec, "B_VOBBTN" ) )
2290         {
2291             tracks[i_track]->fmt.i_cat = NAV_ES;
2292             continue;
2293         }
2294         else
2295         {
2296             msg_Err( &sys.demuxer, "unknow codec id=`%s'", tracks[i_track]->psz_codec );
2297             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2298         }
2299         if( tracks[i_track]->b_default )
2300         {
2301             tracks[i_track]->fmt.i_priority = 1000;
2302         }
2303
2304         tracks[i_track]->p_es = es_out_Add( sys.demuxer.out, &tracks[i_track]->fmt );
2305
2306         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_start_time );
2307     }
2308
2309     sys.i_start_pts = i_start_time;
2310     // reset the stream reading to the first cluster of the segment used
2311     es.I_O().setFilePointer( i_start_pos );
2312
2313     delete ep;
2314     ep = new EbmlParser( &es, segment, &sys.demuxer );
2315
2316     return true;
2317 }
2318
2319 void demux_sys_t::StartUiThread()
2320 {
2321     if ( !b_ui_hooked )
2322     {
2323         msg_Dbg( &demuxer, "Starting the UI Hook" );
2324         b_ui_hooked = true;
2325         /* FIXME hack hack hack hack FIXME */
2326         /* Get p_input and create variable */
2327         p_input = (input_thread_t *) vlc_object_find( &demuxer, VLC_OBJECT_INPUT, FIND_PARENT );
2328         var_Create( p_input, "x-start", VLC_VAR_INTEGER );
2329         var_Create( p_input, "y-start", VLC_VAR_INTEGER );
2330         var_Create( p_input, "x-end", VLC_VAR_INTEGER );
2331         var_Create( p_input, "y-end", VLC_VAR_INTEGER );
2332         var_Create( p_input, "color", VLC_VAR_ADDRESS );
2333         var_Create( p_input, "menu-palette", VLC_VAR_ADDRESS );
2334         var_Create( p_input, "highlight", VLC_VAR_BOOL );
2335         var_Create( p_input, "highlight-mutex", VLC_VAR_MUTEX );
2336
2337         /* Now create our event thread catcher */
2338         p_ev = (event_thread_t *) vlc_object_create( &demuxer, sizeof( event_thread_t ) );
2339         p_ev->p_demux = &demuxer;
2340         p_ev->b_die = VLC_FALSE;
2341         vlc_mutex_init( p_ev, &p_ev->lock );
2342         vlc_thread_create( p_ev, "mkv event thread handler", EventThread,
2343                         VLC_THREAD_PRIORITY_LOW, VLC_FALSE );
2344     }
2345 }
2346
2347 void demux_sys_t::StopUiThread()
2348 {
2349     if ( b_ui_hooked )
2350     {
2351         p_ev->b_die = VLC_TRUE;
2352
2353         vlc_thread_join( p_ev );
2354         vlc_object_destroy( p_ev );
2355
2356         p_ev = NULL;
2357
2358         var_Destroy( p_input, "highlight-mutex" );
2359         var_Destroy( p_input, "highlight" );
2360         var_Destroy( p_input, "x-start" );
2361         var_Destroy( p_input, "x-end" );
2362         var_Destroy( p_input, "y-start" );
2363         var_Destroy( p_input, "y-end" );
2364         var_Destroy( p_input, "color" );
2365         var_Destroy( p_input, "menu-palette" );
2366
2367         vlc_object_release( p_input );
2368
2369         msg_Dbg( &demuxer, "Stopping the UI Hook" );
2370     }
2371     b_ui_hooked = false;
2372 }
2373
2374 int demux_sys_t::EventMouse( vlc_object_t *p_this, char const *psz_var,
2375                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
2376 {
2377     event_thread_t *p_ev = (event_thread_t *) p_data;
2378     vlc_mutex_lock( &p_ev->lock );
2379     if( psz_var[6] == 'c' )
2380         p_ev->b_clicked = VLC_TRUE;
2381     else if( psz_var[6] == 'm' )
2382         p_ev->b_moved = VLC_TRUE;
2383     vlc_mutex_unlock( &p_ev->lock );
2384
2385     return VLC_SUCCESS;
2386 }
2387
2388 int demux_sys_t::EventKey( vlc_object_t *p_this, char const *psz_var,
2389                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
2390 {
2391     event_thread_t *p_ev = (event_thread_t *) p_data;
2392     vlc_mutex_lock( &p_ev->lock );
2393     p_ev->b_key = VLC_TRUE;
2394     vlc_mutex_unlock( &p_ev->lock );
2395
2396     return VLC_SUCCESS;
2397 }
2398
2399 int demux_sys_t::EventThread( vlc_object_t *p_this )
2400 {
2401     event_thread_t *p_ev = (event_thread_t*)p_this;
2402     demux_sys_t    *p_sys = p_ev->p_demux->p_sys;
2403     vlc_object_t   *p_vout = NULL;
2404
2405     p_ev->b_moved   = VLC_FALSE;
2406     p_ev->b_clicked = VLC_FALSE;
2407     p_ev->b_key     = VLC_FALSE;
2408
2409     /* catch all key event */
2410     var_AddCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2411
2412     /* main loop */
2413     while( !p_ev->b_die )
2414     {
2415         if ( !p_sys->b_pci_packet_set )
2416         {
2417             /* Wait 100ms */
2418             msleep( 100000 );
2419             continue;
2420         }
2421
2422         vlc_bool_t b_activated = VLC_FALSE;
2423
2424         /* KEY part */
2425         if( p_ev->b_key )
2426         {
2427             vlc_value_t valk;
2428             struct vlc_t::hotkey *p_hotkeys = p_ev->p_vlc->p_hotkeys;
2429             int i, i_action = -1;
2430
2431             vlc_mutex_lock( &p_ev->lock );
2432
2433             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2434
2435             var_Get( p_ev->p_vlc, "key-pressed", &valk );
2436             for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
2437             {
2438                 if( p_hotkeys[i].i_key == valk.i_int )
2439                 {
2440                     i_action = p_hotkeys[i].i_action;
2441                 }
2442             }
2443
2444             uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2445
2446             switch( i_action )
2447             {
2448             case ACTIONID_NAV_LEFT:
2449                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2450                 {
2451                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2452                     if ( p_button_ptr->left > 0 && p_button_ptr->left <= pci->hli.hl_gi.btn_ns )
2453                     {
2454                         i_curr_button = p_button_ptr->left;
2455                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2456                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2457                         if ( button_ptr.auto_action_mode )
2458                         {
2459                             vlc_mutex_unlock( &p_ev->lock );
2460                             vlc_mutex_lock( &p_sys->lock_demuxer );
2461
2462                             // process the button action
2463                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2464
2465                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2466                             vlc_mutex_lock( &p_ev->lock );
2467                         }
2468                     }
2469                 }
2470                 break;
2471             case ACTIONID_NAV_RIGHT:
2472                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2473                 {
2474                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2475                     if ( p_button_ptr->right > 0 && p_button_ptr->right <= pci->hli.hl_gi.btn_ns )
2476                     {
2477                         i_curr_button = p_button_ptr->right;
2478                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2479                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2480                         if ( button_ptr.auto_action_mode )
2481                         {
2482                             vlc_mutex_unlock( &p_ev->lock );
2483                             vlc_mutex_lock( &p_sys->lock_demuxer );
2484
2485                             // process the button action
2486                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2487
2488                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2489                             vlc_mutex_lock( &p_ev->lock );
2490                         }
2491                     }
2492                 }
2493                 break;
2494             case ACTIONID_NAV_UP:
2495                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2496                 {
2497                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2498                     if ( p_button_ptr->up > 0 && p_button_ptr->up <= pci->hli.hl_gi.btn_ns )
2499                     {
2500                         i_curr_button = p_button_ptr->up;
2501                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2502                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2503                         if ( button_ptr.auto_action_mode )
2504                         {
2505                             vlc_mutex_unlock( &p_ev->lock );
2506                             vlc_mutex_lock( &p_sys->lock_demuxer );
2507
2508                             // process the button action
2509                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2510
2511                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2512                             vlc_mutex_lock( &p_ev->lock );
2513                         }
2514                     }
2515                 }
2516                 break;
2517             case ACTIONID_NAV_DOWN:
2518                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2519                 {
2520                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2521                     if ( p_button_ptr->down > 0 && p_button_ptr->down <= pci->hli.hl_gi.btn_ns )
2522                     {
2523                         i_curr_button = p_button_ptr->down;
2524                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2525                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2526                         if ( button_ptr.auto_action_mode )
2527                         {
2528                             vlc_mutex_unlock( &p_ev->lock );
2529                             vlc_mutex_lock( &p_sys->lock_demuxer );
2530
2531                             // process the button action
2532                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2533
2534                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2535                             vlc_mutex_lock( &p_ev->lock );
2536                         }
2537                     }
2538                 }
2539                 break;
2540             case ACTIONID_NAV_ACTIVATE:
2541                 b_activated = VLC_TRUE;
2542
2543                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2544                 {
2545                     btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2546
2547                     vlc_mutex_unlock( &p_ev->lock );
2548                     vlc_mutex_lock( &p_sys->lock_demuxer );
2549
2550                     // process the button action
2551                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2552
2553                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2554                     vlc_mutex_lock( &p_ev->lock );
2555                 }
2556                 break;
2557             default:
2558                 break;
2559             }
2560             p_ev->b_key = VLC_FALSE;
2561             vlc_mutex_unlock( &p_ev->lock );
2562         }
2563
2564         /* MOUSE part */
2565         if( p_vout && ( p_ev->b_moved || p_ev->b_clicked ) )
2566         {
2567             vlc_value_t valx, valy;
2568
2569             vlc_mutex_lock( &p_ev->lock );
2570             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2571             var_Get( p_vout, "mouse-x", &valx );
2572             var_Get( p_vout, "mouse-y", &valy );
2573
2574             if( p_ev->b_clicked )
2575             {
2576                 int32_t button;
2577                 int32_t best,dist,d;
2578                 int32_t mx,my,dx,dy;
2579
2580                 b_activated = VLC_TRUE;
2581                 // get current button
2582                 best = 0;
2583                 dist = 0x08000000; /* >> than  (720*720)+(567*567); */
2584                 for(button = 1; button <= pci->hli.hl_gi.btn_ns; button++)
2585                 {
2586                     btni_t *button_ptr = &(pci->hli.btnit[button-1]);
2587
2588                     if(((unsigned)valx.i_int >= button_ptr->x_start)
2589                      && ((unsigned)valx.i_int <= button_ptr->x_end)
2590                      && ((unsigned)valy.i_int >= button_ptr->y_start)
2591                      && ((unsigned)valy.i_int <= button_ptr->y_end))
2592                     {
2593                         mx = (button_ptr->x_start + button_ptr->x_end)/2;
2594                         my = (button_ptr->y_start + button_ptr->y_end)/2;
2595                         dx = mx - valx.i_int;
2596                         dy = my - valy.i_int;
2597                         d = (dx*dx) + (dy*dy);
2598                         /* If the mouse is within the button and the mouse is closer
2599                         * to the center of this button then it is the best choice. */
2600                         if(d < dist) {
2601                             dist = d;
2602                             best = button;
2603                         }
2604                     }
2605                 }
2606
2607                 if ( best != 0)
2608                 {
2609                     btni_t button_ptr = pci->hli.btnit[best-1];
2610                     uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2611
2612                     msg_Dbg( &p_sys->demuxer, "Clicked button %d", best );
2613                     vlc_mutex_unlock( &p_ev->lock );
2614                     vlc_mutex_lock( &p_sys->lock_demuxer );
2615
2616                     // process the button action
2617                     p_sys->dvd_interpretor.SetSPRM( 0x88, best );
2618                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2619
2620                     msg_Dbg( &p_sys->demuxer, "Processed button %d", best );
2621
2622                     // select new button
2623                     if ( best != i_curr_button )
2624                     {
2625                         vlc_value_t val;
2626
2627                         if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
2628                         {
2629                             vlc_mutex_t *p_mutex = (vlc_mutex_t *) val.p_address;
2630                             uint32_t i_palette;
2631
2632                             if(button_ptr.btn_coln != 0) {
2633                                 i_palette = pci->hli.btn_colit.btn_coli[button_ptr.btn_coln-1][1];
2634                             } else {
2635                                 i_palette = 0;
2636                             }
2637
2638                             for( int i = 0; i < 4; i++ )
2639                             {
2640                                 uint32_t i_yuv = 0xFF;//p_sys->clut[(hl.palette>>(16+i*4))&0x0f];
2641                                 uint8_t i_alpha = (i_palette>>(i*4))&0x0f;
2642                                 i_alpha = i_alpha == 0xf ? 0xff : i_alpha << 4;
2643
2644                                 p_sys->palette[i][0] = (i_yuv >> 16) & 0xff;
2645                                 p_sys->palette[i][1] = (i_yuv >> 0) & 0xff;
2646                                 p_sys->palette[i][2] = (i_yuv >> 8) & 0xff;
2647                                 p_sys->palette[i][3] = i_alpha;
2648                             }
2649
2650                             vlc_mutex_lock( p_mutex );
2651                             val.i_int = button_ptr.x_start; var_Set( p_sys->p_input, "x-start", val );
2652                             val.i_int = button_ptr.x_end;   var_Set( p_sys->p_input, "x-end",   val );
2653                             val.i_int = button_ptr.y_start; var_Set( p_sys->p_input, "y-start", val );
2654                             val.i_int = button_ptr.y_end;   var_Set( p_sys->p_input, "y-end",   val );
2655
2656                             val.p_address = (void *)p_sys->palette;
2657                             var_Set( p_sys->p_input, "menu-palette", val );
2658
2659                             val.b_bool = VLC_TRUE; var_Set( p_sys->p_input, "highlight", val );
2660                             vlc_mutex_unlock( p_mutex );
2661                         }
2662                     }
2663                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2664                     vlc_mutex_lock( &p_ev->lock );
2665                 }
2666             }
2667             else if( p_ev->b_moved )
2668             {
2669 //                dvdnav_mouse_select( NULL, pci, valx.i_int, valy.i_int );
2670             }
2671
2672             p_ev->b_moved = VLC_FALSE;
2673             p_ev->b_clicked = VLC_FALSE;
2674             vlc_mutex_unlock( &p_ev->lock );
2675         }
2676
2677         /* VOUT part */
2678         if( p_vout && p_vout->b_die )
2679         {
2680             var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2681             var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2682             vlc_object_release( p_vout );
2683             p_vout = NULL;
2684         }
2685
2686         else if( p_vout == NULL )
2687         {
2688             p_vout = (vlc_object_t*) vlc_object_find( p_sys->p_input, VLC_OBJECT_VOUT,
2689                                       FIND_CHILD );
2690             if( p_vout)
2691             {
2692                 var_AddCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2693                 var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2694             }
2695         }
2696
2697         /* Wait a bit, 10ms */
2698         msleep( 10000 );
2699     }
2700
2701     /* Release callback */
2702     if( p_vout )
2703     {
2704         var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2705         var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2706         vlc_object_release( p_vout );
2707     }
2708     var_DelCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2709
2710     vlc_mutex_destroy( &p_ev->lock );
2711
2712     return VLC_SUCCESS;
2713 }
2714
2715 void matroska_segment_c::UnSelect( )
2716 {
2717     size_t i_track;
2718
2719     for( i_track = 0; i_track < tracks.size(); i_track++ )
2720     {
2721         if ( tracks[i_track]->p_es != NULL )
2722         {
2723 //            es_format_Clean( &tracks[i_track]->fmt );
2724             es_out_Del( sys.demuxer.out, tracks[i_track]->p_es );
2725             tracks[i_track]->p_es = NULL;
2726         }
2727     }
2728     delete ep;
2729     ep = NULL;
2730 }
2731
2732 void virtual_segment_c::PrepareChapters( )
2733 {
2734     if ( linked_segments.size() == 0 )
2735         return;
2736
2737     // !!! should be called only once !!!
2738     matroska_segment_c *p_segment;
2739     size_t i, j;
2740
2741     // copy editions from the first segment
2742     p_segment = linked_segments[0];
2743     p_editions = &p_segment->stored_editions;
2744
2745     for ( i=1 ; i<linked_segments.size(); i++ )
2746     {
2747         p_segment = linked_segments[i];
2748         // FIXME assume we have the same editions in all segments
2749         for (j=0; j<p_segment->stored_editions.size(); j++)
2750             (*p_editions)[j]->Append( *p_segment->stored_editions[j] );
2751     }
2752 }
2753
2754 std::string chapter_edition_c::GetMainName() const
2755 {
2756     if ( sub_chapters.size() )
2757     {
2758         return sub_chapters[0]->GetCodecName( true );
2759     }
2760     return "";
2761 }
2762
2763 int chapter_item_c::PublishChapters( input_title_t & title, int & i_user_chapters, int i_level )
2764 {
2765     // add support for meta-elements from codec like DVD Titles
2766     if ( !b_display_seekpoint || psz_name == "" )
2767     {
2768         psz_name = GetCodecName();
2769         if ( psz_name != "" )
2770             b_display_seekpoint = true;
2771     }
2772
2773     if (b_display_seekpoint)
2774     {
2775         seekpoint_t *sk = vlc_seekpoint_New();
2776
2777         sk->i_level = i_level;
2778         sk->i_time_offset = i_start_time;
2779         sk->psz_name = strdup( psz_name.c_str() );
2780
2781         // A start time of '0' is ok. A missing ChapterTime element is ok, too, because '0' is its default value.
2782         title.i_seekpoint++;
2783         title.seekpoint = (seekpoint_t**)realloc( title.seekpoint, title.i_seekpoint * sizeof( seekpoint_t* ) );
2784         title.seekpoint[title.i_seekpoint-1] = sk;
2785
2786         if ( b_user_display )
2787             i_user_chapters++;
2788     }
2789
2790     for ( size_t i=0; i<sub_chapters.size() ; i++)
2791     {
2792         sub_chapters[i]->PublishChapters( title, i_user_chapters, i_level+1 );
2793     }
2794
2795     i_seekpoint_num = i_user_chapters;
2796
2797     return i_user_chapters;
2798 }
2799
2800 bool virtual_segment_c::UpdateCurrentToChapter( demux_t & demux )
2801 {
2802     demux_sys_t & sys = *demux.p_sys;
2803     chapter_item_c *psz_curr_chapter;
2804     bool b_has_seeked = false;
2805
2806     /* update current chapter/seekpoint */
2807     if ( p_editions->size() )
2808     {
2809         /* 1st, we need to know in which chapter we are */
2810         psz_curr_chapter = (*p_editions)[i_current_edition]->FindTimecode( sys.i_pts, psz_current_chapter );
2811
2812         /* we have moved to a new chapter */
2813         if (psz_curr_chapter != NULL && psz_current_chapter != psz_curr_chapter)
2814         {
2815             if ( (*p_editions)[i_current_edition]->b_ordered )
2816             {
2817                 // Leave/Enter up to the link point
2818                 b_has_seeked = psz_curr_chapter->EnterAndLeave( psz_current_chapter );
2819                 if ( !b_has_seeked )
2820                 {
2821                     // only physically seek if necessary
2822                     if ( psz_current_chapter == NULL || (psz_current_chapter->i_end_time != psz_curr_chapter->i_start_time) )
2823                         Seek( demux, sys.i_pts, 0, psz_curr_chapter );
2824                 }
2825             }
2826
2827             if ( !b_has_seeked )
2828             {
2829                 psz_current_chapter = psz_curr_chapter;
2830                 if ( psz_curr_chapter->i_seekpoint_num > 0 )
2831                 {
2832                     demux.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
2833                     demux.info.i_title = sys.i_current_title = i_sys_title;
2834                     demux.info.i_seekpoint = psz_curr_chapter->i_seekpoint_num - 1;
2835                 }
2836             }
2837
2838             return true;
2839         }
2840         else if (psz_curr_chapter == NULL)
2841         {
2842             // out of the scope of the data described by chapters, leave the edition
2843             if ( (*p_editions)[i_current_edition]->b_ordered && psz_current_chapter != NULL )
2844             {
2845                 if ( !(*p_editions)[i_current_edition]->EnterAndLeave( psz_current_chapter, false ) )
2846                     psz_current_chapter = NULL;
2847                 else
2848                     return true;
2849             }
2850         }
2851     }
2852     return false;
2853 }
2854
2855 chapter_item_c *virtual_segment_c::BrowseCodecPrivate( unsigned int codec_id,
2856                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
2857                                     const void *p_cookie,
2858                                     size_t i_cookie_size )
2859 {
2860     // FIXME don't assume it is the first edition
2861     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
2862     if ( index != p_editions->end() )
2863     {
2864         chapter_item_c *p_result = (*index)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
2865         if ( p_result != NULL )
2866             return p_result;
2867     }
2868     return NULL;
2869 }
2870
2871 chapter_item_c *virtual_segment_c::FindChapter( int64_t i_find_uid )
2872 {
2873     // FIXME don't assume it is the first edition
2874     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
2875     if ( index != p_editions->end() )
2876     {
2877         chapter_item_c *p_result = (*index)->FindChapter( i_find_uid );
2878         if ( p_result != NULL )
2879             return p_result;
2880     }
2881     return NULL;
2882 }
2883
2884 chapter_item_c *chapter_item_c::BrowseCodecPrivate( unsigned int codec_id,
2885                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
2886                                     const void *p_cookie,
2887                                     size_t i_cookie_size )
2888 {
2889     // this chapter
2890     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2891     while ( index != codecs.end() )
2892     {
2893         if ( match( **index ,p_cookie, i_cookie_size ) )
2894             return this;
2895         index++;
2896     }
2897
2898     // sub-chapters
2899     chapter_item_c *p_result = NULL;
2900     std::vector<chapter_item_c*>::const_iterator index2 = sub_chapters.begin();
2901     while ( index2 != sub_chapters.end() )
2902     {
2903         p_result = (*index2)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
2904         if ( p_result != NULL )
2905             return p_result;
2906         index2++;
2907     }
2908
2909     return p_result;
2910 }
2911
2912 void chapter_item_c::Append( const chapter_item_c & chapter )
2913 {
2914     // we are appending content for the same chapter UID
2915     size_t i;
2916     chapter_item_c *p_chapter;
2917
2918     for ( i=0; i<chapter.sub_chapters.size(); i++ )
2919     {
2920         p_chapter = FindChapter( chapter.sub_chapters[i]->i_uid );
2921         if ( p_chapter != NULL )
2922         {
2923             p_chapter->Append( *chapter.sub_chapters[i] );
2924         }
2925         else
2926         {
2927             sub_chapters.push_back( chapter.sub_chapters[i] );
2928         }
2929     }
2930
2931     i_user_start_time = min( i_user_start_time, chapter.i_user_start_time );
2932     i_user_end_time = max( i_user_end_time, chapter.i_user_end_time );
2933 }
2934
2935 chapter_item_c * chapter_item_c::FindChapter( int64_t i_find_uid )
2936 {
2937     size_t i;
2938     chapter_item_c *p_result = NULL;
2939
2940     if ( i_uid == i_find_uid )
2941         return this;
2942
2943     for ( i=0; i<sub_chapters.size(); i++)
2944     {
2945         p_result = sub_chapters[i]->FindChapter( i_find_uid );
2946         if ( p_result != NULL )
2947             break;
2948     }
2949     return p_result;
2950 }
2951
2952 std::string chapter_item_c::GetCodecName( bool f_for_title ) const
2953 {
2954     std::string result;
2955
2956     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2957     while ( index != codecs.end() )
2958     {
2959         result = (*index)->GetCodecName( f_for_title );
2960         if ( result != "" )
2961             break;
2962         index++;
2963     }
2964
2965     return result;
2966 }
2967
2968 std::string dvd_chapter_codec_c::GetCodecName( bool f_for_title ) const
2969 {
2970     std::string result;
2971     if ( p_private_data->GetSize() >= 3)
2972     {
2973         const binary* p_data = p_private_data->GetBuffer();
2974 /*        if ( p_data[0] == MATROSKA_DVD_LEVEL_TT )
2975         {
2976             uint16_t i_title = (p_data[1] << 8) + p_data[2];
2977             char psz_str[11];
2978             sprintf( psz_str, " %d  ---", i_title );
2979             result = N_("---  DVD Title");
2980             result += psz_str;
2981         }
2982         else */ if ( p_data[0] == MATROSKA_DVD_LEVEL_LU )
2983         {
2984             char psz_str[11];
2985             sprintf( psz_str, " (%c%c)  ---", p_data[1], p_data[2] );
2986             result = N_("---  DVD Menu");
2987             result += psz_str;
2988         }
2989         else if ( p_data[0] == MATROSKA_DVD_LEVEL_SS && f_for_title )
2990         {
2991             if ( p_data[1] == 0x00 )
2992                 result = N_("First Played");
2993             else if ( p_data[1] == 0xC0 )
2994                 result = N_("Video Manager");
2995             else if ( p_data[1] == 0x80 )
2996             {
2997                 uint16_t i_title = (p_data[2] << 8) + p_data[3];
2998                 char psz_str[20];
2999                 sprintf( psz_str, " %d -----", i_title );
3000                 result = N_("----- Title");
3001                 result += psz_str;
3002             }
3003         }
3004     }
3005
3006     return result;
3007 }
3008
3009 int16 chapter_item_c::GetTitleNumber( ) const
3010 {
3011     int result = -1;
3012
3013     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
3014     while ( index != codecs.end() )
3015     {
3016         result = (*index)->GetTitleNumber( );
3017         if ( result >= 0 )
3018             break;
3019         index++;
3020     }
3021
3022     return result;
3023 }
3024
3025 int16 dvd_chapter_codec_c::GetTitleNumber()
3026 {
3027     if ( p_private_data->GetSize() >= 3)
3028     {
3029         const binary* p_data = p_private_data->GetBuffer();
3030         if ( p_data[0] == MATROSKA_DVD_LEVEL_SS )
3031         {
3032             return int16( (p_data[2] << 8) + p_data[3] );
3033         }
3034     }
3035     return -1;
3036 }
3037
3038 static void Seek( demux_t *p_demux, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter )
3039 {
3040     demux_sys_t        *p_sys = p_demux->p_sys;
3041     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3042     matroska_segment_c *p_segment = p_vsegment->Segment();
3043     mtime_t            i_time_offset = 0;
3044
3045     int         i_index;
3046
3047     msg_Dbg( p_demux, "seek request to "I64Fd" (%f%%)", i_date, f_percent );
3048     if( i_date < 0 && f_percent < 0 )
3049     {
3050         msg_Warn( p_demux, "cannot seek nowhere !" );
3051         return;
3052     }
3053     if( f_percent > 1.0 )
3054     {
3055         msg_Warn( p_demux, "cannot seek so far !" );
3056         return;
3057     }
3058
3059     /* seek without index or without date */
3060     if( f_percent >= 0 && (config_GetInt( p_demux, "mkv-seek-percent" ) || !p_segment->b_cues || i_date < 0 ))
3061     {
3062         if (p_sys->f_duration >= 0)
3063         {
3064             i_date = int64_t( f_percent * p_sys->f_duration * 1000.0 );
3065         }
3066         else
3067         {
3068             int64_t i_pos = int64_t( f_percent * stream_Size( p_demux->s ) );
3069
3070             msg_Dbg( p_demux, "inacurate way of seeking" );
3071             for( i_index = 0; i_index < p_segment->i_index; i_index++ )
3072             {
3073                 if( p_segment->p_indexes[i_index].i_position >= i_pos)
3074                 {
3075                     break;
3076                 }
3077             }
3078             if( i_index == p_segment->i_index )
3079             {
3080                 i_index--;
3081             }
3082
3083             i_date = p_segment->p_indexes[i_index].i_time;
3084
3085 #if 0
3086             if( p_segment->p_indexes[i_index].i_position < i_pos )
3087             {
3088                 EbmlElement *el;
3089
3090                 msg_Warn( p_demux, "searching for cluster, could take some time" );
3091
3092                 /* search a cluster */
3093                 while( ( el = p_sys->ep->Get() ) != NULL )
3094                 {
3095                     if( MKV_IS_ID( el, KaxCluster ) )
3096                     {
3097                         KaxCluster *cluster = (KaxCluster*)el;
3098
3099                         /* add it to the index */
3100                         p_segment->IndexAppendCluster( cluster );
3101
3102                         if( (int64_t)cluster->GetElementPosition() >= i_pos )
3103                         {
3104                             p_sys->cluster = cluster;
3105                             p_sys->ep->Down();
3106                             break;
3107                         }
3108                     }
3109                 }
3110             }
3111 #endif
3112         }
3113     }
3114
3115     p_vsegment->Seek( *p_demux, i_date, i_time_offset, psz_chapter );
3116 }
3117
3118 /*****************************************************************************
3119  * Demux: reads and demuxes data packets
3120  *****************************************************************************
3121  * Returns -1 in case of error, 0 in case of EOF, 1 otherwise
3122  *****************************************************************************/
3123 static int Demux( demux_t *p_demux)
3124 {
3125     demux_sys_t        *p_sys = p_demux->p_sys;
3126
3127     vlc_mutex_lock( &p_sys->lock_demuxer );
3128
3129     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3130     matroska_segment_c *p_segment = p_vsegment->Segment();
3131     if ( p_segment == NULL ) return 0;
3132     int                i_block_count = 0;
3133     int                i_return = 0;
3134
3135     for( ;; )
3136     {
3137         if ( p_sys->demuxer.b_die )
3138             break;
3139
3140         if( p_sys->i_pts >= p_sys->i_start_pts  )
3141             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3142             {
3143                 i_return = 1;
3144                 break;
3145             }
3146
3147         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3148         {
3149             /* nothing left to read in this ordered edition */
3150             if ( !p_vsegment->SelectNext() )
3151                 break;
3152             p_segment->UnSelect( );
3153
3154             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3155
3156             /* switch to the next segment */
3157             p_segment = p_vsegment->Segment();
3158             if ( !p_segment->Select( 0 ) )
3159             {
3160                 msg_Err( p_demux, "Failed to select new segment" );
3161                 break;
3162             }
3163             continue;
3164         }
3165
3166         KaxBlock *block;
3167         int64_t i_block_duration = 0;
3168         int64_t i_block_ref1;
3169         int64_t i_block_ref2;
3170
3171         if( p_segment->BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
3172         {
3173             if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered )
3174             {
3175                 const chapter_item_c *p_chap = p_vsegment->CurrentChapter();
3176                 // check if there are more chapters to read
3177                 if ( p_chap != NULL )
3178                 {
3179                     /* TODO handle successive chapters with the same user_start_time/user_end_time
3180                     if ( p_chap->i_user_start_time == p_chap->i_user_start_time )
3181                         p_vsegment->SelectNext();
3182                     */
3183                     p_sys->i_last_dts = p_sys->i_pts = p_chap->i_user_end_time;
3184                     p_sys->i_pts++; // trick to avoid staying on segments with no duration and no content
3185
3186                     i_return = 1;
3187                 }
3188
3189                 break;
3190             }
3191             else
3192             {
3193                 msg_Warn( p_demux, "cannot get block EOF?" );
3194                 p_segment->UnSelect( );
3195
3196                 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3197
3198                 /* switch to the next segment */
3199                 if ( !p_vsegment->SelectNext() )
3200                     // no more segments in this stream
3201                     break;
3202                 p_segment = p_vsegment->Segment();
3203                 if ( !p_segment->Select( 0 ) )
3204                 {
3205                     msg_Err( p_demux, "Failed to select new segment" );
3206                     break;
3207                 }
3208
3209                 continue;
3210             }
3211         }
3212
3213         mtime_t i_pts, i_dts;
3214
3215         mtime_t i_time = block->GlobalTimecode();
3216         if ( i_block_ref1 != 0 )
3217             i_time += min( 0, i_block_ref1 );
3218         if ( i_block_ref2 != 0 )
3219             i_time += min( 0, i_block_ref2 );
3220
3221         i_pts = (p_sys->i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
3222         i_dts = (p_sys->i_chapter_time + i_time) / (mtime_t) 1000;
3223
3224         if ( i_dts != i_pts && p_sys->i_last_dts >= i_dts )
3225             p_sys->i_last_dts += 200;
3226         else
3227             p_sys->i_last_dts = i_dts;
3228
3229         p_sys->i_pts = i_pts;
3230
3231         if( p_sys->i_pts >= p_sys->i_start_pts  )
3232         {
3233             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pts );
3234         }
3235
3236         if( i_pts >= p_sys->i_start_pts  )
3237             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3238             {
3239                 i_return = 1;
3240                 break;
3241             }
3242
3243         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3244         {
3245             /* nothing left to read in this ordered edition */
3246             if ( !p_vsegment->SelectNext() )
3247                 break;
3248             p_segment->UnSelect( );
3249
3250             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3251
3252             /* switch to the next segment */
3253             p_segment = p_vsegment->Segment();
3254             if ( !p_segment->Select( 0 ) )
3255             {
3256                 msg_Err( p_demux, "Failed to select new segment" );
3257                 break;
3258             }
3259             continue;
3260         }
3261
3262         BlockDecode( p_demux, block, i_pts, i_block_duration );
3263
3264         delete block;
3265         i_block_count++;
3266
3267         // TODO optimize when there is need to leave or when seeking has been called
3268         if( i_block_count > 5 )
3269         {
3270             i_return = 1;
3271             break;
3272         }
3273     }
3274
3275     vlc_mutex_unlock( &p_sys->lock_demuxer );
3276
3277     return i_return;
3278 }
3279
3280
3281
3282 /*****************************************************************************
3283  * Stream managment
3284  *****************************************************************************/
3285 vlc_stream_io_callback::vlc_stream_io_callback( stream_t *s_, vlc_bool_t b_owner_ )
3286 {
3287     s = s_;
3288     b_owner = b_owner_;
3289     mb_eof = VLC_FALSE;
3290 }
3291
3292 uint32 vlc_stream_io_callback::read( void *p_buffer, size_t i_size )
3293 {
3294     if( i_size <= 0 || mb_eof )
3295     {
3296         return 0;
3297     }
3298
3299     return stream_Read( s, p_buffer, i_size );
3300 }
3301 void vlc_stream_io_callback::setFilePointer(int64_t i_offset, seek_mode mode )
3302 {
3303     int64_t i_pos;
3304
3305     switch( mode )
3306     {
3307         case seek_beginning:
3308             i_pos = i_offset;
3309             break;
3310         case seek_end:
3311             i_pos = stream_Size( s ) - i_offset;
3312             break;
3313         default:
3314             i_pos= stream_Tell( s ) + i_offset;
3315             break;
3316     }
3317
3318     if( i_pos < 0 || i_pos >= stream_Size( s ) )
3319     {
3320         mb_eof = VLC_TRUE;
3321         return;
3322     }
3323
3324     mb_eof = VLC_FALSE;
3325     if( stream_Seek( s, i_pos ) )
3326     {
3327         mb_eof = VLC_TRUE;
3328     }
3329     return;
3330 }
3331 size_t vlc_stream_io_callback::write( const void *p_buffer, size_t i_size )
3332 {
3333     return 0;
3334 }
3335 uint64 vlc_stream_io_callback::getFilePointer( void )
3336 {
3337     if ( s == NULL )
3338         return 0;
3339     return stream_Tell( s );
3340 }
3341 void vlc_stream_io_callback::close( void )
3342 {
3343     return;
3344 }
3345
3346
3347 /*****************************************************************************
3348  * Ebml Stream parser
3349  *****************************************************************************/
3350 EbmlParser::EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux )
3351 {
3352     int i;
3353
3354     m_es = es;
3355     m_got = NULL;
3356     m_el[0] = el_start;
3357     mi_remain_size[0] = el_start->GetSize();
3358
3359     for( i = 1; i < 6; i++ )
3360     {
3361         m_el[i] = NULL;
3362     }
3363     mi_level = 1;
3364     mi_user_level = 1;
3365     mb_keep = VLC_FALSE;
3366     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3367 }
3368
3369 EbmlParser::~EbmlParser( void )
3370 {
3371     int i;
3372
3373     for( i = 1; i < mi_level; i++ )
3374     {
3375         if( !mb_keep )
3376         {
3377             delete m_el[i];
3378         }
3379         mb_keep = VLC_FALSE;
3380     }
3381 }
3382
3383 EbmlElement* EbmlParser::UnGet( uint64 i_block_pos, uint64 i_cluster_pos )
3384 {
3385     if ( mi_user_level > mi_level )
3386     {
3387         while ( mi_user_level != mi_level )
3388         {
3389             delete m_el[mi_user_level];
3390             m_el[mi_user_level] = NULL;
3391             mi_user_level--;
3392         }
3393     }
3394     m_got = NULL;
3395     mb_keep = VLC_FALSE;
3396     if ( m_el[1]->GetElementPosition() == i_cluster_pos )
3397     {
3398         m_es->I_O().setFilePointer( i_block_pos, seek_beginning );
3399         return (EbmlMaster*) m_el[1];
3400     }
3401     else
3402     {
3403         // seek to the previous Cluster
3404         m_es->I_O().setFilePointer( i_cluster_pos, seek_beginning );
3405         mi_level--;
3406         mi_user_level--;
3407         delete m_el[mi_level];
3408         m_el[mi_level] = NULL;
3409         return NULL;
3410     }
3411 }
3412
3413 void EbmlParser::Up( void )
3414 {
3415     if( mi_user_level == mi_level )
3416     {
3417         fprintf( stderr," arrrrrrrrrrrrrg Up cannot escape itself\n" );
3418     }
3419
3420     mi_user_level--;
3421 }
3422
3423 void EbmlParser::Down( void )
3424 {
3425     mi_user_level++;
3426     mi_level++;
3427 }
3428
3429 void EbmlParser::Keep( void )
3430 {
3431     mb_keep = VLC_TRUE;
3432 }
3433
3434 int EbmlParser::GetLevel( void )
3435 {
3436     return mi_user_level;
3437 }
3438
3439 void EbmlParser::Reset( demux_t *p_demux )
3440 {
3441     while ( mi_level > 0)
3442     {
3443         delete m_el[mi_level];
3444         m_el[mi_level] = NULL;
3445         mi_level--;
3446     }
3447     mi_user_level = mi_level = 1;
3448 #if LIBEBML_VERSION >= 0x000704
3449     // a little faster and cleaner
3450     m_es->I_O().setFilePointer( static_cast<KaxSegment*>(m_el[0])->GetGlobalPosition(0) );
3451 #else
3452     m_es->I_O().setFilePointer( m_el[0]->GetElementPosition() + m_el[0]->ElementSize(true) - m_el[0]->GetSize() );
3453 #endif
3454     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3455 }
3456
3457 EbmlElement *EbmlParser::Get( void )
3458 {
3459     int i_ulev = 0;
3460
3461     if( mi_user_level != mi_level )
3462     {
3463         return NULL;
3464     }
3465     if( m_got )
3466     {
3467         EbmlElement *ret = m_got;
3468         m_got = NULL;
3469
3470         return ret;
3471     }
3472
3473     if( m_el[mi_level] )
3474     {
3475         m_el[mi_level]->SkipData( *m_es, m_el[mi_level]->Generic().Context );
3476         if( !mb_keep )
3477         {
3478             delete m_el[mi_level];
3479         }
3480         mb_keep = VLC_FALSE;
3481     }
3482
3483     m_el[mi_level] = m_es->FindNextElement( m_el[mi_level - 1]->Generic().Context, i_ulev, 0xFFFFFFFFL, mb_dummy != 0, 1 );
3484 //    mi_remain_size[mi_level] = m_el[mi_level]->GetSize();
3485     if( i_ulev > 0 )
3486     {
3487         while( i_ulev > 0 )
3488         {
3489             if( mi_level == 1 )
3490             {
3491                 mi_level = 0;
3492                 return NULL;
3493             }
3494
3495             delete m_el[mi_level - 1];
3496             m_got = m_el[mi_level -1] = m_el[mi_level];
3497             m_el[mi_level] = NULL;
3498
3499             mi_level--;
3500             i_ulev--;
3501         }
3502         return NULL;
3503     }
3504     else if( m_el[mi_level] == NULL )
3505     {
3506         fprintf( stderr," m_el[mi_level] == NULL\n" );
3507     }
3508
3509     return m_el[mi_level];
3510 }
3511
3512
3513 /*****************************************************************************
3514  * Tools
3515  *  * LoadCues : load the cues element and update index
3516  *
3517  *  * LoadTags : load ... the tags element
3518  *
3519  *  * InformationCreate : create all information, load tags if present
3520  *
3521  *****************************************************************************/
3522 void matroska_segment_c::LoadCues( )
3523 {
3524     int64_t     i_sav_position = es.I_O().getFilePointer();
3525     EbmlParser  *ep;
3526     EbmlElement *el, *cues;
3527
3528     /* *** Load the cue if found *** */
3529     if( i_cues_position < 0 )
3530     {
3531         msg_Warn( &sys.demuxer, "no cues/empty cues found->seek won't be precise" );
3532
3533 //        IndexAppendCluster( cluster );
3534     }
3535
3536     vlc_bool_t b_seekable;
3537
3538     stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
3539     if( !b_seekable )
3540         return;
3541
3542     msg_Dbg( &sys.demuxer, "loading cues" );
3543     es.I_O().setFilePointer( i_cues_position, seek_beginning );
3544     cues = es.FindNextID( KaxCues::ClassInfos, 0xFFFFFFFFL);
3545
3546     if( cues == NULL )
3547     {
3548         msg_Err( &sys.demuxer, "cannot load cues (broken seekhead or file)" );
3549         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3550         return;
3551     }
3552
3553     ep = new EbmlParser( &es, cues, &sys.demuxer );
3554     while( ( el = ep->Get() ) != NULL )
3555     {
3556         if( MKV_IS_ID( el, KaxCuePoint ) )
3557         {
3558 #define idx p_indexes[i_index]
3559
3560             idx.i_track       = -1;
3561             idx.i_block_number= -1;
3562             idx.i_position    = -1;
3563             idx.i_time        = 0;
3564             idx.b_key         = VLC_TRUE;
3565
3566             ep->Down();
3567             while( ( el = ep->Get() ) != NULL )
3568             {
3569                 if( MKV_IS_ID( el, KaxCueTime ) )
3570                 {
3571                     KaxCueTime &ctime = *(KaxCueTime*)el;
3572
3573                     ctime.ReadData( es.I_O() );
3574
3575                     idx.i_time = uint64( ctime ) * i_timescale / (mtime_t)1000;
3576                 }
3577                 else if( MKV_IS_ID( el, KaxCueTrackPositions ) )
3578                 {
3579                     ep->Down();
3580                     while( ( el = ep->Get() ) != NULL )
3581                     {
3582                         if( MKV_IS_ID( el, KaxCueTrack ) )
3583                         {
3584                             KaxCueTrack &ctrack = *(KaxCueTrack*)el;
3585
3586                             ctrack.ReadData( es.I_O() );
3587                             idx.i_track = uint16( ctrack );
3588                         }
3589                         else if( MKV_IS_ID( el, KaxCueClusterPosition ) )
3590                         {
3591                             KaxCueClusterPosition &ccpos = *(KaxCueClusterPosition*)el;
3592
3593                             ccpos.ReadData( es.I_O() );
3594                             idx.i_position = segment->GetGlobalPosition( uint64( ccpos ) );
3595                         }
3596                         else if( MKV_IS_ID( el, KaxCueBlockNumber ) )
3597                         {
3598                             KaxCueBlockNumber &cbnum = *(KaxCueBlockNumber*)el;
3599
3600                             cbnum.ReadData( es.I_O() );
3601                             idx.i_block_number = uint32( cbnum );
3602                         }
3603                         else
3604                         {
3605                             msg_Dbg( &sys.demuxer, "         * Unknown (%s)", typeid(*el).name() );
3606                         }
3607                     }
3608                     ep->Up();
3609                 }
3610                 else
3611                 {
3612                     msg_Dbg( &sys.demuxer, "     * Unknown (%s)", typeid(*el).name() );
3613                 }
3614             }
3615             ep->Up();
3616
3617 #if 0
3618             msg_Dbg( &sys.demuxer, " * added time="I64Fd" pos="I64Fd
3619                      " track=%d bnum=%d", idx.i_time, idx.i_position,
3620                      idx.i_track, idx.i_block_number );
3621 #endif
3622
3623             i_index++;
3624             if( i_index >= i_index_max )
3625             {
3626                 i_index_max += 1024;
3627                 p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
3628             }
3629 #undef idx
3630         }
3631         else
3632         {
3633             msg_Dbg( &sys.demuxer, " * Unknown (%s)", typeid(*el).name() );
3634         }
3635     }
3636     delete ep;
3637     delete cues;
3638
3639     b_cues = VLC_TRUE;
3640
3641     msg_Dbg( &sys.demuxer, "loading cues done." );
3642     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3643 }
3644
3645 void matroska_segment_c::LoadTags( )
3646 {
3647     int64_t     i_sav_position = es.I_O().getFilePointer();
3648     EbmlParser  *ep;
3649     EbmlElement *el, *tags;
3650
3651     msg_Dbg( &sys.demuxer, "loading tags" );
3652     es.I_O().setFilePointer( i_tags_position, seek_beginning );
3653     tags = es.FindNextID( KaxTags::ClassInfos, 0xFFFFFFFFL);
3654
3655     if( tags == NULL )
3656     {
3657         msg_Err( &sys.demuxer, "cannot load tags (broken seekhead or file)" );
3658         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3659         return;
3660     }
3661
3662     msg_Dbg( &sys.demuxer, "Tags" );
3663     ep = new EbmlParser( &es, tags, &sys.demuxer );
3664     while( ( el = ep->Get() ) != NULL )
3665     {
3666         if( MKV_IS_ID( el, KaxTag ) )
3667         {
3668             msg_Dbg( &sys.demuxer, "+ Tag" );
3669             ep->Down();
3670             while( ( el = ep->Get() ) != NULL )
3671             {
3672                 if( MKV_IS_ID( el, KaxTagTargets ) )
3673                 {
3674                     msg_Dbg( &sys.demuxer, "|   + Targets" );
3675                     ep->Down();
3676                     while( ( el = ep->Get() ) != NULL )
3677                     {
3678                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3679                     }
3680                     ep->Up();
3681                 }
3682                 else if( MKV_IS_ID( el, KaxTagGeneral ) )
3683                 {
3684                     msg_Dbg( &sys.demuxer, "|   + General" );
3685                     ep->Down();
3686                     while( ( el = ep->Get() ) != NULL )
3687                     {
3688                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3689                     }
3690                     ep->Up();
3691                 }
3692                 else if( MKV_IS_ID( el, KaxTagGenres ) )
3693                 {
3694                     msg_Dbg( &sys.demuxer, "|   + Genres" );
3695                     ep->Down();
3696                     while( ( el = ep->Get() ) != NULL )
3697                     {
3698                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3699                     }
3700                     ep->Up();
3701                 }
3702                 else if( MKV_IS_ID( el, KaxTagAudioSpecific ) )
3703                 {
3704                     msg_Dbg( &sys.demuxer, "|   + Audio Specific" );
3705                     ep->Down();
3706                     while( ( el = ep->Get() ) != NULL )
3707                     {
3708                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3709                     }
3710                     ep->Up();
3711                 }
3712                 else if( MKV_IS_ID( el, KaxTagImageSpecific ) )
3713                 {
3714                     msg_Dbg( &sys.demuxer, "|   + Images Specific" );
3715                     ep->Down();
3716                     while( ( el = ep->Get() ) != NULL )
3717                     {
3718                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3719                     }
3720                     ep->Up();
3721                 }
3722                 else if( MKV_IS_ID( el, KaxTagMultiComment ) )
3723                 {
3724                     msg_Dbg( &sys.demuxer, "|   + Multi Comment" );
3725                 }
3726                 else if( MKV_IS_ID( el, KaxTagMultiCommercial ) )
3727                 {
3728                     msg_Dbg( &sys.demuxer, "|   + Multi Commercial" );
3729                 }
3730                 else if( MKV_IS_ID( el, KaxTagMultiDate ) )
3731                 {
3732                     msg_Dbg( &sys.demuxer, "|   + Multi Date" );
3733                 }
3734                 else if( MKV_IS_ID( el, KaxTagMultiEntity ) )
3735                 {
3736                     msg_Dbg( &sys.demuxer, "|   + Multi Entity" );
3737                 }
3738                 else if( MKV_IS_ID( el, KaxTagMultiIdentifier ) )
3739                 {
3740                     msg_Dbg( &sys.demuxer, "|   + Multi Identifier" );
3741                 }
3742                 else if( MKV_IS_ID( el, KaxTagMultiLegal ) )
3743                 {
3744                     msg_Dbg( &sys.demuxer, "|   + Multi Legal" );
3745                 }
3746                 else if( MKV_IS_ID( el, KaxTagMultiTitle ) )
3747                 {
3748                     msg_Dbg( &sys.demuxer, "|   + Multi Title" );
3749                 }
3750                 else
3751                 {
3752                     msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid( *el ).name() );
3753                 }
3754             }
3755             ep->Up();
3756         }
3757         else
3758         {
3759             msg_Dbg( &sys.demuxer, "+ Unknown (%s)", typeid( *el ).name() );
3760         }
3761     }
3762     delete ep;
3763     delete tags;
3764
3765     msg_Dbg( &sys.demuxer, "loading tags done." );
3766     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3767 }
3768
3769 /*****************************************************************************
3770  * ParseSeekHead:
3771  *****************************************************************************/
3772 void matroska_segment_c::ParseSeekHead( KaxSeekHead *seekhead )
3773 {
3774     EbmlElement *el;
3775     size_t i, j;
3776     int i_upper_level = 0;
3777
3778     msg_Dbg( &sys.demuxer, "|   + Seek head" );
3779
3780     /* Master elements */
3781     seekhead->Read( es, seekhead->Generic().Context, i_upper_level, el, true );
3782
3783     for( i = 0; i < seekhead->ListSize(); i++ )
3784     {
3785         EbmlElement *l = (*seekhead)[i];
3786
3787         if( MKV_IS_ID( l, KaxSeek ) )
3788         {
3789             EbmlMaster *sk = static_cast<EbmlMaster *>(l);
3790             EbmlId id = EbmlVoid::ClassInfos.GlobalId;
3791             int64_t i_pos = -1;
3792
3793             for( j = 0; j < sk->ListSize(); j++ )
3794             {
3795                 EbmlElement *l = (*sk)[j];
3796
3797                 if( MKV_IS_ID( l, KaxSeekID ) )
3798                 {
3799                     KaxSeekID &sid = *(KaxSeekID*)l;
3800                     id = EbmlId( sid.GetBuffer(), sid.GetSize() );
3801                 }
3802                 else if( MKV_IS_ID( l, KaxSeekPosition ) )
3803                 {
3804                     KaxSeekPosition &spos = *(KaxSeekPosition*)l;
3805                     i_pos = uint64( spos );
3806                 }
3807                 else
3808                 {
3809                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
3810                 }
3811             }
3812
3813             if( i_pos >= 0 )
3814             {
3815                 if( id == KaxCues::ClassInfos.GlobalId )
3816                 {
3817                     msg_Dbg( &sys.demuxer, "|   |   |   = cues at "I64Fd, i_pos );
3818                     i_cues_position = segment->GetGlobalPosition( i_pos );
3819                 }
3820                 else if( id == KaxChapters::ClassInfos.GlobalId )
3821                 {
3822                     msg_Dbg( &sys.demuxer, "|   |   |   = chapters at "I64Fd, i_pos );
3823                     i_chapters_position = segment->GetGlobalPosition( i_pos );
3824                 }
3825                 else if( id == KaxTags::ClassInfos.GlobalId )
3826                 {
3827                     msg_Dbg( &sys.demuxer, "|   |   |   = tags at "I64Fd, i_pos );
3828                     i_tags_position = segment->GetGlobalPosition( i_pos );
3829                 }
3830             }
3831         }
3832         else
3833         {
3834             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
3835         }
3836     }
3837 }
3838
3839 /*****************************************************************************
3840  * ParseTrackEntry:
3841  *****************************************************************************/
3842 void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
3843 {
3844     size_t i, j, k, n;
3845
3846     mkv_track_t *tk;
3847
3848     msg_Dbg( &sys.demuxer, "|   |   + Track Entry" );
3849
3850     tk = new mkv_track_t();
3851     tracks.push_back( tk );
3852
3853     /* Init the track */
3854     memset( tk, 0, sizeof( mkv_track_t ) );
3855
3856     es_format_Init( &tk->fmt, UNKNOWN_ES, 0 );
3857     tk->fmt.psz_language = strdup("English");
3858     tk->fmt.psz_description = NULL;
3859
3860     tk->b_default = VLC_TRUE;
3861     tk->b_enabled = VLC_TRUE;
3862     tk->b_silent = VLC_FALSE;
3863     tk->i_number = tracks.size() - 1;
3864     tk->i_extra_data = 0;
3865     tk->p_extra_data = NULL;
3866     tk->psz_codec = NULL;
3867     tk->i_default_duration = 0;
3868     tk->f_timecodescale = 1.0;
3869
3870     tk->b_inited = VLC_FALSE;
3871     tk->i_data_init = 0;
3872     tk->p_data_init = NULL;
3873
3874     tk->psz_codec_name = NULL;
3875     tk->psz_codec_settings = NULL;
3876     tk->psz_codec_info_url = NULL;
3877     tk->psz_codec_download_url = NULL;
3878
3879     tk->i_compression_type = MATROSKA_COMPRESSION_NONE;
3880
3881     for( i = 0; i < m->ListSize(); i++ )
3882     {
3883         EbmlElement *l = (*m)[i];
3884
3885         if( MKV_IS_ID( l, KaxTrackNumber ) )
3886         {
3887             KaxTrackNumber &tnum = *(KaxTrackNumber*)l;
3888
3889             tk->i_number = uint32( tnum );
3890             msg_Dbg( &sys.demuxer, "|   |   |   + Track Number=%u", uint32( tnum ) );
3891         }
3892         else  if( MKV_IS_ID( l, KaxTrackUID ) )
3893         {
3894             KaxTrackUID &tuid = *(KaxTrackUID*)l;
3895
3896             msg_Dbg( &sys.demuxer, "|   |   |   + Track UID=%u",  uint32( tuid ) );
3897         }
3898         else  if( MKV_IS_ID( l, KaxTrackType ) )
3899         {
3900             char *psz_type;
3901             KaxTrackType &ttype = *(KaxTrackType*)l;
3902
3903             switch( uint8(ttype) )
3904             {
3905                 case track_audio:
3906                     psz_type = "audio";
3907                     tk->fmt.i_cat = AUDIO_ES;
3908                     break;
3909                 case track_video:
3910                     psz_type = "video";
3911                     tk->fmt.i_cat = VIDEO_ES;
3912                     break;
3913                 case track_subtitle:
3914                     psz_type = "subtitle";
3915                     tk->fmt.i_cat = SPU_ES;
3916                     break;
3917                 case track_buttons:
3918                     psz_type = "buttons";
3919                     tk->fmt.i_cat = SPU_ES;
3920                     break;
3921                 default:
3922                     psz_type = "unknown";
3923                     tk->fmt.i_cat = UNKNOWN_ES;
3924                     break;
3925             }
3926
3927             msg_Dbg( &sys.demuxer, "|   |   |   + Track Type=%s", psz_type );
3928         }
3929 //        else  if( EbmlId( *l ) == KaxTrackFlagEnabled::ClassInfos.GlobalId )
3930 //        {
3931 //            KaxTrackFlagEnabled &fenb = *(KaxTrackFlagEnabled*)l;
3932
3933 //            tk->b_enabled = uint32( fenb );
3934 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Enabled=%u",
3935 //                     uint32( fenb )  );
3936 //        }
3937         else  if( MKV_IS_ID( l, KaxTrackFlagDefault ) )
3938         {
3939             KaxTrackFlagDefault &fdef = *(KaxTrackFlagDefault*)l;
3940
3941             tk->b_default = uint32( fdef );
3942             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default=%u", uint32( fdef )  );
3943         }
3944         else  if( MKV_IS_ID( l, KaxTrackFlagLacing ) )
3945         {
3946             KaxTrackFlagLacing &lac = *(KaxTrackFlagLacing*)l;
3947
3948             msg_Dbg( &sys.demuxer, "|   |   |   + Track Lacing=%d", uint32( lac ) );
3949         }
3950         else  if( MKV_IS_ID( l, KaxTrackMinCache ) )
3951         {
3952             KaxTrackMinCache &cmin = *(KaxTrackMinCache*)l;
3953
3954             msg_Dbg( &sys.demuxer, "|   |   |   + Track MinCache=%d", uint32( cmin ) );
3955         }
3956         else  if( MKV_IS_ID( l, KaxTrackMaxCache ) )
3957         {
3958             KaxTrackMaxCache &cmax = *(KaxTrackMaxCache*)l;
3959
3960             msg_Dbg( &sys.demuxer, "|   |   |   + Track MaxCache=%d", uint32( cmax ) );
3961         }
3962         else  if( MKV_IS_ID( l, KaxTrackDefaultDuration ) )
3963         {
3964             KaxTrackDefaultDuration &defd = *(KaxTrackDefaultDuration*)l;
3965
3966             tk->i_default_duration = uint64(defd);
3967             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default Duration="I64Fd, uint64(defd) );
3968         }
3969         else  if( MKV_IS_ID( l, KaxTrackTimecodeScale ) )
3970         {
3971             KaxTrackTimecodeScale &ttcs = *(KaxTrackTimecodeScale*)l;
3972
3973             tk->f_timecodescale = float( ttcs );
3974             msg_Dbg( &sys.demuxer, "|   |   |   + Track TimeCodeScale=%f", tk->f_timecodescale );
3975         }
3976         else if( MKV_IS_ID( l, KaxTrackName ) )
3977         {
3978             KaxTrackName &tname = *(KaxTrackName*)l;
3979
3980             tk->fmt.psz_description = ToUTF8( UTFstring( tname ) );
3981             msg_Dbg( &sys.demuxer, "|   |   |   + Track Name=%s", tk->fmt.psz_description );
3982         }
3983         else  if( MKV_IS_ID( l, KaxTrackLanguage ) )
3984         {
3985             KaxTrackLanguage &lang = *(KaxTrackLanguage*)l;
3986
3987             tk->fmt.psz_language = strdup( string( lang ).c_str() );
3988             msg_Dbg( &sys.demuxer,
3989                      "|   |   |   + Track Language=`%s'", tk->fmt.psz_language );
3990         }
3991         else  if( MKV_IS_ID( l, KaxCodecID ) )
3992         {
3993             KaxCodecID &codecid = *(KaxCodecID*)l;
3994
3995             tk->psz_codec = strdup( string( codecid ).c_str() );
3996             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecId=%s", string( codecid ).c_str() );
3997         }
3998         else  if( MKV_IS_ID( l, KaxCodecPrivate ) )
3999         {
4000             KaxCodecPrivate &cpriv = *(KaxCodecPrivate*)l;
4001
4002             tk->i_extra_data = cpriv.GetSize();
4003             if( tk->i_extra_data > 0 )
4004             {
4005                 tk->p_extra_data = (uint8_t*)malloc( tk->i_extra_data );
4006                 memcpy( tk->p_extra_data, cpriv.GetBuffer(), tk->i_extra_data );
4007             }
4008             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecPrivate size="I64Fd, cpriv.GetSize() );
4009         }
4010         else if( MKV_IS_ID( l, KaxCodecName ) )
4011         {
4012             KaxCodecName &cname = *(KaxCodecName*)l;
4013
4014             tk->psz_codec_name = ToUTF8( UTFstring( cname ) );
4015             msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Name=%s", tk->psz_codec_name );
4016         }
4017         else if( MKV_IS_ID( l, KaxContentEncodings ) )
4018         {
4019             EbmlMaster *cencs = static_cast<EbmlMaster*>(l);
4020             MkvTree( sys.demuxer, 3, "Content Encodings" );
4021             for( j = 0; j < cencs->ListSize(); j++ )
4022             {
4023                 EbmlElement *l2 = (*cencs)[j];
4024                 if( MKV_IS_ID( l2, KaxContentEncoding ) )
4025                 {
4026                     MkvTree( sys.demuxer, 4, "Content Encoding" );
4027                     EbmlMaster *cenc = static_cast<EbmlMaster*>(l2);
4028                     for( k = 0; k < cenc->ListSize(); k++ )
4029                     {
4030                         EbmlElement *l3 = (*cenc)[k];
4031                         if( MKV_IS_ID( l3, KaxContentEncodingOrder ) )
4032                         {
4033                             KaxContentEncodingOrder &encord = *(KaxContentEncodingOrder*)l3;
4034                             MkvTree( sys.demuxer, 5, "Order: %i", uint32( encord ) );
4035                         }
4036                         else if( MKV_IS_ID( l3, KaxContentEncodingScope ) )
4037                         {
4038                             KaxContentEncodingScope &encscope = *(KaxContentEncodingScope*)l3;
4039                             MkvTree( sys.demuxer, 5, "Scope: %i", uint32( encscope ) );
4040                         }
4041                         else if( MKV_IS_ID( l3, KaxContentEncodingType ) )
4042                         {
4043                             KaxContentEncodingType &enctype = *(KaxContentEncodingType*)l3;
4044                             MkvTree( sys.demuxer, 5, "Type: %i", uint32( enctype ) );
4045                         }
4046                         else if( MKV_IS_ID( l3, KaxContentCompression ) )
4047                         {
4048                             EbmlMaster *compr = static_cast<EbmlMaster*>(l3);
4049                             MkvTree( sys.demuxer, 5, "Content Compression" );
4050                             for( n = 0; n < compr->ListSize(); n++ )
4051                             {
4052                                 EbmlElement *l4 = (*compr)[n];
4053                                 if( MKV_IS_ID( l4, KaxContentCompAlgo ) )
4054                                 {
4055                                     KaxContentCompAlgo &compalg = *(KaxContentCompAlgo*)l4;
4056                                     MkvTree( sys.demuxer, 6, "Compression Algorithm: %i", uint32(compalg) );
4057                                     if( uint32( compalg ) == 0 )
4058                                     {
4059                                         tk->i_compression_type = MATROSKA_COMPRESSION_ZLIB;
4060                                     }
4061                                 }
4062                                 else
4063                                 {
4064                                     MkvTree( sys.demuxer, 6, "Unknown (%s)", typeid(*l4).name() );
4065                                 }
4066                             }
4067                         }
4068
4069                         else
4070                         {
4071                             MkvTree( sys.demuxer, 5, "Unknown (%s)", typeid(*l3).name() );
4072                         }
4073                     }
4074
4075                 }
4076                 else
4077                 {
4078                     MkvTree( sys.demuxer, 4, "Unknown (%s)", typeid(*l2).name() );
4079                 }
4080             }
4081
4082         }
4083 //        else if( EbmlId( *l ) == KaxCodecSettings::ClassInfos.GlobalId )
4084 //        {
4085 //            KaxCodecSettings &cset = *(KaxCodecSettings*)l;
4086
4087 //            tk->psz_codec_settings = ToUTF8( UTFstring( cset ) );
4088 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Settings=%s", tk->psz_codec_settings );
4089 //        }
4090 //        else if( EbmlId( *l ) == KaxCodecInfoURL::ClassInfos.GlobalId )
4091 //        {
4092 //            KaxCodecInfoURL &ciurl = *(KaxCodecInfoURL*)l;
4093
4094 //            tk->psz_codec_info_url = strdup( string( ciurl ).c_str() );
4095 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_info_url );
4096 //        }
4097 //        else if( EbmlId( *l ) == KaxCodecDownloadURL::ClassInfos.GlobalId )
4098 //        {
4099 //            KaxCodecDownloadURL &cdurl = *(KaxCodecDownloadURL*)l;
4100
4101 //            tk->psz_codec_download_url = strdup( string( cdurl ).c_str() );
4102 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_download_url );
4103 //        }
4104 //        else if( EbmlId( *l ) == KaxCodecDecodeAll::ClassInfos.GlobalId )
4105 //        {
4106 //            KaxCodecDecodeAll &cdall = *(KaxCodecDecodeAll*)l;
4107
4108 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Decode All=%u <== UNUSED", uint8( cdall ) );
4109 //        }
4110 //        else if( EbmlId( *l ) == KaxTrackOverlay::ClassInfos.GlobalId )
4111 //        {
4112 //            KaxTrackOverlay &tovr = *(KaxTrackOverlay*)l;
4113
4114 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Overlay=%u <== UNUSED", uint32( tovr ) );
4115 //        }
4116         else  if( MKV_IS_ID( l, KaxTrackVideo ) )
4117         {
4118             EbmlMaster *tkv = static_cast<EbmlMaster*>(l);
4119             unsigned int j;
4120
4121             msg_Dbg( &sys.demuxer, "|   |   |   + Track Video" );
4122             tk->f_fps = 0.0;
4123
4124             tk->fmt.video.i_frame_rate_base = (unsigned int)(tk->i_default_duration / 1000);
4125             tk->fmt.video.i_frame_rate = 1000000;
4126
4127             for( j = 0; j < tkv->ListSize(); j++ )
4128             {
4129                 EbmlElement *l = (*tkv)[j];
4130 //                if( EbmlId( *el4 ) == KaxVideoFlagInterlaced::ClassInfos.GlobalId )
4131 //                {
4132 //                    KaxVideoFlagInterlaced &fint = *(KaxVideoFlagInterlaced*)el4;
4133
4134 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Interlaced=%u", uint8( fint ) );
4135 //                }
4136 //                else if( EbmlId( *el4 ) == KaxVideoStereoMode::ClassInfos.GlobalId )
4137 //                {
4138 //                    KaxVideoStereoMode &stereo = *(KaxVideoStereoMode*)el4;
4139
4140 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Stereo Mode=%u", uint8( stereo ) );
4141 //                }
4142 //                else
4143                 if( MKV_IS_ID( l, KaxVideoPixelWidth ) )
4144                 {
4145                     KaxVideoPixelWidth &vwidth = *(KaxVideoPixelWidth*)l;
4146
4147                     tk->fmt.video.i_width = uint16( vwidth );
4148                     msg_Dbg( &sys.demuxer, "|   |   |   |   + width=%d", uint16( vwidth ) );
4149                 }
4150                 else if( MKV_IS_ID( l, KaxVideoPixelHeight ) )
4151                 {
4152                     KaxVideoPixelWidth &vheight = *(KaxVideoPixelWidth*)l;
4153
4154                     tk->fmt.video.i_height = uint16( vheight );
4155                     msg_Dbg( &sys.demuxer, "|   |   |   |   + height=%d", uint16( vheight ) );
4156                 }
4157                 else if( MKV_IS_ID( l, KaxVideoDisplayWidth ) )
4158                 {
4159                     KaxVideoDisplayWidth &vwidth = *(KaxVideoDisplayWidth*)l;
4160
4161                     tk->fmt.video.i_visible_width = uint16( vwidth );
4162                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display width=%d", uint16( vwidth ) );
4163                 }
4164                 else if( MKV_IS_ID( l, KaxVideoDisplayHeight ) )
4165                 {
4166                     KaxVideoDisplayWidth &vheight = *(KaxVideoDisplayWidth*)l;
4167
4168                     tk->fmt.video.i_visible_height = uint16( vheight );
4169                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display height=%d", uint16( vheight ) );
4170                 }
4171                 else if( MKV_IS_ID( l, KaxVideoFrameRate ) )
4172                 {
4173                     KaxVideoFrameRate &vfps = *(KaxVideoFrameRate*)l;
4174
4175                     tk->f_fps = float( vfps );
4176                     msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( vfps ) );
4177                 }
4178 //                else if( EbmlId( *l ) == KaxVideoDisplayUnit::ClassInfos.GlobalId )
4179 //                {
4180 //                     KaxVideoDisplayUnit &vdmode = *(KaxVideoDisplayUnit*)l;
4181
4182 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Display Unit=%s",
4183 //                             uint8( vdmode ) == 0 ? "pixels" : ( uint8( vdmode ) == 1 ? "centimeters": "inches" ) );
4184 //                }
4185 //                else if( EbmlId( *l ) == KaxVideoAspectRatio::ClassInfos.GlobalId )
4186 //                {
4187 //                    KaxVideoAspectRatio &ratio = *(KaxVideoAspectRatio*)l;
4188
4189 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + Track Video Aspect Ratio Type=%u", uint8( ratio ) );
4190 //                }
4191 //                else if( EbmlId( *l ) == KaxVideoGamma::ClassInfos.GlobalId )
4192 //                {
4193 //                    KaxVideoGamma &gamma = *(KaxVideoGamma*)l;
4194
4195 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( gamma ) );
4196 //                }
4197                 else
4198                 {
4199                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4200                 }
4201             }
4202             if ( tk->fmt.video.i_visible_height && tk->fmt.video.i_visible_width )
4203                 tk->fmt.video.i_aspect = VOUT_ASPECT_FACTOR * tk->fmt.video.i_visible_width / tk->fmt.video.i_visible_height;
4204         }
4205         else  if( MKV_IS_ID( l, KaxTrackAudio ) )
4206         {
4207             EbmlMaster *tka = static_cast<EbmlMaster*>(l);
4208             unsigned int j;
4209
4210             msg_Dbg( &sys.demuxer, "|   |   |   + Track Audio" );
4211
4212             for( j = 0; j < tka->ListSize(); j++ )
4213             {
4214                 EbmlElement *l = (*tka)[j];
4215
4216                 if( MKV_IS_ID( l, KaxAudioSamplingFreq ) )
4217                 {
4218                     KaxAudioSamplingFreq &afreq = *(KaxAudioSamplingFreq*)l;
4219
4220                     tk->fmt.audio.i_rate = (int)float( afreq );
4221                     msg_Dbg( &sys.demuxer, "|   |   |   |   + afreq=%d", tk->fmt.audio.i_rate );
4222                 }
4223                 else if( MKV_IS_ID( l, KaxAudioChannels ) )
4224                 {
4225                     KaxAudioChannels &achan = *(KaxAudioChannels*)l;
4226
4227                     tk->fmt.audio.i_channels = uint8( achan );
4228                     msg_Dbg( &sys.demuxer, "|   |   |   |   + achan=%u", uint8( achan ) );
4229                 }
4230                 else if( MKV_IS_ID( l, KaxAudioBitDepth ) )
4231                 {
4232                     KaxAudioBitDepth &abits = *(KaxAudioBitDepth*)l;
4233
4234                     tk->fmt.audio.i_bitspersample = uint8( abits );
4235                     msg_Dbg( &sys.demuxer, "|   |   |   |   + abits=%u", uint8( abits ) );
4236                 }
4237                 else
4238                 {
4239                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4240                 }
4241             }
4242         }
4243         else
4244         {
4245             msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)",
4246                      typeid(*l).name() );
4247         }
4248     }
4249 }
4250
4251 /*****************************************************************************
4252  * ParseTracks:
4253  *****************************************************************************/
4254 void matroska_segment_c::ParseTracks( KaxTracks *tracks )
4255 {
4256     EbmlElement *el;
4257     unsigned int i;
4258     int i_upper_level = 0;
4259
4260     msg_Dbg( &sys.demuxer, "|   + Tracks" );
4261
4262     /* Master elements */
4263     tracks->Read( es, tracks->Generic().Context, i_upper_level, el, true );
4264
4265     for( i = 0; i < tracks->ListSize(); i++ )
4266     {
4267         EbmlElement *l = (*tracks)[i];
4268
4269         if( MKV_IS_ID( l, KaxTrackEntry ) )
4270         {
4271             ParseTrackEntry( static_cast<KaxTrackEntry *>(l) );
4272         }
4273         else
4274         {
4275             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4276         }
4277     }
4278 }
4279
4280 /*****************************************************************************
4281  * ParseInfo:
4282  *****************************************************************************/
4283 void matroska_segment_c::ParseInfo( KaxInfo *info )
4284 {
4285     EbmlElement *el;
4286     EbmlMaster  *m;
4287     size_t i, j;
4288     int i_upper_level = 0;
4289
4290     msg_Dbg( &sys.demuxer, "|   + Information" );
4291
4292     /* Master elements */
4293     m = static_cast<EbmlMaster *>(info);
4294     m->Read( es, info->Generic().Context, i_upper_level, el, true );
4295
4296     for( i = 0; i < m->ListSize(); i++ )
4297     {
4298         EbmlElement *l = (*m)[i];
4299
4300         if( MKV_IS_ID( l, KaxSegmentUID ) )
4301         {
4302             p_segment_uid = new KaxSegmentUID(*static_cast<KaxSegmentUID*>(l));
4303
4304             msg_Dbg( &sys.demuxer, "|   |   + UID=%d", *(uint32*)p_segment_uid->GetBuffer() );
4305         }
4306         else if( MKV_IS_ID( l, KaxPrevUID ) )
4307         {
4308             p_prev_segment_uid = new KaxPrevUID(*static_cast<KaxPrevUID*>(l));
4309
4310             msg_Dbg( &sys.demuxer, "|   |   + PrevUID=%d", *(uint32*)p_prev_segment_uid->GetBuffer() );
4311         }
4312         else if( MKV_IS_ID( l, KaxNextUID ) )
4313         {
4314             p_next_segment_uid = new KaxNextUID(*static_cast<KaxNextUID*>(l));
4315
4316             msg_Dbg( &sys.demuxer, "|   |   + NextUID=%d", *(uint32*)p_next_segment_uid->GetBuffer() );
4317         }
4318         else if( MKV_IS_ID( l, KaxTimecodeScale ) )
4319         {
4320             KaxTimecodeScale &tcs = *(KaxTimecodeScale*)l;
4321
4322             i_timescale = uint64(tcs);
4323
4324             msg_Dbg( &sys.demuxer, "|   |   + TimecodeScale="I64Fd,
4325                      i_timescale );
4326         }
4327         else if( MKV_IS_ID( l, KaxDuration ) )
4328         {
4329             KaxDuration &dur = *(KaxDuration*)l;
4330
4331             i_duration = mtime_t( double( dur ) );
4332
4333             msg_Dbg( &sys.demuxer, "|   |   + Duration="I64Fd,
4334                      i_duration );
4335         }
4336         else if( MKV_IS_ID( l, KaxMuxingApp ) )
4337         {
4338             KaxMuxingApp &mapp = *(KaxMuxingApp*)l;
4339
4340             psz_muxing_application = ToUTF8( UTFstring( mapp ) );
4341
4342             msg_Dbg( &sys.demuxer, "|   |   + Muxing Application=%s",
4343                      psz_muxing_application );
4344         }
4345         else if( MKV_IS_ID( l, KaxWritingApp ) )
4346         {
4347             KaxWritingApp &wapp = *(KaxWritingApp*)l;
4348
4349             psz_writing_application = ToUTF8( UTFstring( wapp ) );
4350
4351             msg_Dbg( &sys.demuxer, "|   |   + Writing Application=%s",
4352                      psz_writing_application );
4353         }
4354         else if( MKV_IS_ID( l, KaxSegmentFilename ) )
4355         {
4356             KaxSegmentFilename &sfn = *(KaxSegmentFilename*)l;
4357
4358             psz_segment_filename = ToUTF8( UTFstring( sfn ) );
4359
4360             msg_Dbg( &sys.demuxer, "|   |   + Segment Filename=%s",
4361                      psz_segment_filename );
4362         }
4363         else if( MKV_IS_ID( l, KaxTitle ) )
4364         {
4365             KaxTitle &title = *(KaxTitle*)l;
4366
4367             psz_title = ToUTF8( UTFstring( title ) );
4368
4369             msg_Dbg( &sys.demuxer, "|   |   + Title=%s", psz_title );
4370         }
4371         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
4372         {
4373             KaxSegmentFamily *uid = static_cast<KaxSegmentFamily*>(l);
4374
4375             families.push_back(*uid);
4376
4377             msg_Dbg( &sys.demuxer, "|   |   + family=%d", *(uint32*)uid->GetBuffer() );
4378         }
4379 #if defined( HAVE_GMTIME_R ) && !defined( SYS_DARWIN )
4380         else if( MKV_IS_ID( l, KaxDateUTC ) )
4381         {
4382             KaxDateUTC &date = *(KaxDateUTC*)l;
4383             time_t i_date;
4384             struct tm tmres;
4385             char   buffer[256];
4386
4387             i_date = date.GetEpochDate();
4388             memset( buffer, 0, 256 );
4389             if( gmtime_r( &i_date, &tmres ) &&
4390                 asctime_r( &tmres, buffer ) )
4391             {
4392                 buffer[strlen( buffer)-1]= '\0';
4393                 psz_date_utc = strdup( buffer );
4394                 msg_Dbg( &sys.demuxer, "|   |   + Date=%s", psz_date_utc );
4395             }
4396         }
4397 #endif
4398 #if LIBMATROSKA_VERSION >= 0x000704
4399         else if( MKV_IS_ID( l, KaxChapterTranslate ) )
4400         {
4401             KaxChapterTranslate *p_trans = static_cast<KaxChapterTranslate*>( l );
4402             chapter_translation_c *p_translate = new chapter_translation_c();
4403
4404             p_trans->Read( es, p_trans->Generic().Context, i_upper_level, el, true );
4405             for( j = 0; j < p_trans->ListSize(); j++ )
4406             {
4407                 EbmlElement *l = (*p_trans)[j];
4408
4409                 if( MKV_IS_ID( l, KaxChapterTranslateEditionUID ) )
4410                 {
4411                     p_translate->editions.push_back( uint64( *static_cast<KaxChapterTranslateEditionUID*>( l ) ) );
4412                 }
4413                 else if( MKV_IS_ID( l, KaxChapterTranslateCodec ) )
4414                 {
4415                     p_translate->codec_id = uint32( *static_cast<KaxChapterTranslateCodec*>( l ) );
4416                 }
4417                 else if( MKV_IS_ID( l, KaxChapterTranslateID ) )
4418                 {
4419                     p_translate->p_translated = new KaxChapterTranslateID( *static_cast<KaxChapterTranslateID*>( l ) );
4420                 }
4421             }
4422
4423             translations.push_back( p_translate );
4424         }
4425 #endif
4426         else
4427         {
4428             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4429         }
4430     }
4431
4432     double f_dur = double(i_duration) * double(i_timescale) / 1000000.0;
4433     i_duration = mtime_t(f_dur);
4434 }
4435
4436
4437 /*****************************************************************************
4438  * ParseChapterAtom
4439  *****************************************************************************/
4440 void matroska_segment_c::ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters )
4441 {
4442     size_t i, j;
4443
4444     msg_Dbg( &sys.demuxer, "|   |   |   + ChapterAtom (level=%d)", i_level );
4445     for( i = 0; i < ca->ListSize(); i++ )
4446     {
4447         EbmlElement *l = (*ca)[i];
4448
4449         if( MKV_IS_ID( l, KaxChapterUID ) )
4450         {
4451             chapters.i_uid = uint64_t(*(KaxChapterUID*)l);
4452             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterUID: %lld", chapters.i_uid );
4453         }
4454         else if( MKV_IS_ID( l, KaxChapterFlagHidden ) )
4455         {
4456             KaxChapterFlagHidden &flag =*(KaxChapterFlagHidden*)l;
4457             chapters.b_display_seekpoint = uint8( flag ) == 0;
4458
4459             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterFlagHidden: %s", chapters.b_display_seekpoint ? "no":"yes" );
4460         }
4461         else if( MKV_IS_ID( l, KaxChapterTimeStart ) )
4462         {
4463             KaxChapterTimeStart &start =*(KaxChapterTimeStart*)l;
4464             chapters.i_start_time = uint64( start ) / I64C(1000);
4465
4466             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeStart: %lld", chapters.i_start_time );
4467         }
4468         else if( MKV_IS_ID( l, KaxChapterTimeEnd ) )
4469         {
4470             KaxChapterTimeEnd &end =*(KaxChapterTimeEnd*)l;
4471             chapters.i_end_time = uint64( end ) / I64C(1000);
4472
4473             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeEnd: %lld", chapters.i_end_time );
4474         }
4475         else if( MKV_IS_ID( l, KaxChapterDisplay ) )
4476         {
4477             EbmlMaster *cd = static_cast<EbmlMaster *>(l);
4478
4479             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterDisplay" );
4480             for( j = 0; j < cd->ListSize(); j++ )
4481             {
4482                 EbmlElement *l= (*cd)[j];
4483
4484                 if( MKV_IS_ID( l, KaxChapterString ) )
4485                 {
4486                     int k;
4487
4488                     KaxChapterString &name =*(KaxChapterString*)l;
4489                     for (k = 0; k < i_level; k++)
4490                         chapters.psz_name += '+';
4491                     chapters.psz_name += ' ';
4492                     chapters.psz_name += ToUTF8( UTFstring( name ) );
4493                     chapters.b_user_display = true;
4494
4495                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterString '%s'", ToUTF8(UTFstring(name)) );
4496                 }
4497                 else if( MKV_IS_ID( l, KaxChapterLanguage ) )
4498                 {
4499                     KaxChapterLanguage &lang =*(KaxChapterLanguage*)l;
4500                     const char *psz = string( lang ).c_str();
4501
4502                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterLanguage '%s'", psz );
4503                 }
4504                 else if( MKV_IS_ID( l, KaxChapterCountry ) )
4505                 {
4506                     KaxChapterCountry &ct =*(KaxChapterCountry*)l;
4507                     const char *psz = string( ct ).c_str();
4508
4509                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterCountry '%s'", psz );
4510                 }
4511             }
4512         }
4513         else if( MKV_IS_ID( l, KaxChapterProcess ) )
4514         {
4515             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterProcess" );
4516
4517             KaxChapterProcess *cp = static_cast<KaxChapterProcess *>(l);
4518             chapter_codec_cmds_c *p_ccodec = NULL;
4519
4520             for( j = 0; j < cp->ListSize(); j++ )
4521             {
4522                 EbmlElement *k= (*cp)[j];
4523
4524                 if( MKV_IS_ID( k, KaxChapterProcessCodecID ) )
4525                 {
4526                     KaxChapterProcessCodecID *p_codec_id = static_cast<KaxChapterProcessCodecID*>( k );
4527                     if ( uint32(*p_codec_id) == 0 )
4528                         p_ccodec = new matroska_script_codec_c( sys );
4529                     else if ( uint32(*p_codec_id) == 1 )
4530                         p_ccodec = new dvd_chapter_codec_c( sys );
4531                     break;
4532                 }
4533             }
4534
4535             if ( p_ccodec != NULL )
4536             {
4537                 for( j = 0; j < cp->ListSize(); j++ )
4538                 {
4539                     EbmlElement *k= (*cp)[j];
4540
4541                     if( MKV_IS_ID( k, KaxChapterProcessPrivate ) )
4542                     {
4543                         KaxChapterProcessPrivate * p_private = static_cast<KaxChapterProcessPrivate*>( k );
4544                         p_ccodec->SetPrivate( *p_private );
4545                     }
4546                     else if( MKV_IS_ID( k, KaxChapterProcessCommand ) )
4547                     {
4548                         p_ccodec->AddCommand( *static_cast<KaxChapterProcessCommand*>( k ) );
4549                     }
4550                 }
4551                 chapters.codecs.push_back( p_ccodec );
4552             }
4553         }
4554         else if( MKV_IS_ID( l, KaxChapterAtom ) )
4555         {
4556             chapter_item_c *new_sub_chapter = new chapter_item_c();
4557             ParseChapterAtom( i_level+1, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4558             new_sub_chapter->psz_parent = &chapters;
4559             chapters.sub_chapters.push_back( new_sub_chapter );
4560         }
4561     }
4562 }
4563
4564 /*****************************************************************************
4565  * ParseChapters:
4566  *****************************************************************************/
4567 void matroska_segment_c::ParseChapters( KaxChapters *chapters )
4568 {
4569     EbmlElement *el;
4570     size_t i;
4571     int i_upper_level = 0;
4572     mtime_t i_dur;
4573
4574     /* Master elements */
4575     chapters->Read( es, chapters->Generic().Context, i_upper_level, el, true );
4576
4577     for( i = 0; i < chapters->ListSize(); i++ )
4578     {
4579         EbmlElement *l = (*chapters)[i];
4580
4581         if( MKV_IS_ID( l, KaxEditionEntry ) )
4582         {
4583             chapter_edition_c *p_edition = new chapter_edition_c();
4584
4585             EbmlMaster *E = static_cast<EbmlMaster *>(l );
4586             size_t j;
4587             msg_Dbg( &sys.demuxer, "|   |   + EditionEntry" );
4588             for( j = 0; j < E->ListSize(); j++ )
4589             {
4590                 EbmlElement *l = (*E)[j];
4591
4592                 if( MKV_IS_ID( l, KaxChapterAtom ) )
4593                 {
4594                     chapter_item_c *new_sub_chapter = new chapter_item_c();
4595                     ParseChapterAtom( 0, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4596                     p_edition->sub_chapters.push_back( new_sub_chapter );
4597                 }
4598                 else if( MKV_IS_ID( l, KaxEditionUID ) )
4599                 {
4600                     p_edition->i_uid = uint64(*static_cast<KaxEditionUID *>( l ));
4601                 }
4602                 else if( MKV_IS_ID( l, KaxEditionFlagOrdered ) )
4603                 {
4604                     p_edition->b_ordered = config_GetInt( &sys.demuxer, "mkv-use-ordered-chapters" ) ? (uint8(*static_cast<KaxEditionFlagOrdered *>( l )) != 0) : 0;
4605                 }
4606                 else if( MKV_IS_ID( l, KaxEditionFlagDefault ) )
4607                 {
4608                     if (uint8(*static_cast<KaxEditionFlagDefault *>( l )) != 0)
4609                         i_default_edition = stored_editions.size();
4610                 }
4611                 else
4612                 {
4613                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
4614                 }
4615             }
4616             stored_editions.push_back( p_edition );
4617         }
4618         else
4619         {
4620             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4621         }
4622     }
4623
4624     for( i = 0; i < stored_editions.size(); i++ )
4625     {
4626         stored_editions[i]->RefreshChapters( );
4627     }
4628
4629     if ( stored_editions.size() != 0 && stored_editions[i_default_edition]->b_ordered )
4630     {
4631         /* update the duration of the segment according to the sum of all sub chapters */
4632         i_dur = stored_editions[i_default_edition]->Duration() / I64C(1000);
4633         if (i_dur > 0)
4634             i_duration = i_dur;
4635     }
4636 }
4637
4638 void matroska_segment_c::ParseCluster( )
4639 {
4640     EbmlElement *el;
4641     EbmlMaster  *m;
4642     unsigned int i;
4643     int i_upper_level = 0;
4644
4645     /* Master elements */
4646     m = static_cast<EbmlMaster *>( cluster );
4647     m->Read( es, cluster->Generic().Context, i_upper_level, el, true );
4648
4649     for( i = 0; i < m->ListSize(); i++ )
4650     {
4651         EbmlElement *l = (*m)[i];
4652
4653         if( MKV_IS_ID( l, KaxClusterTimecode ) )
4654         {
4655             KaxClusterTimecode &ctc = *(KaxClusterTimecode*)l;
4656
4657             cluster->InitTimecode( uint64( ctc ), i_timescale );
4658             break;
4659         }
4660     }
4661
4662     i_start_time = cluster->GlobalTimecode() / 1000;
4663 }
4664
4665 /*****************************************************************************
4666  * InformationCreate:
4667  *****************************************************************************/
4668 void matroska_segment_c::InformationCreate( )
4669 {
4670     size_t      i_track;
4671
4672     sys.meta = vlc_meta_New();
4673
4674     if( psz_title )
4675     {
4676         vlc_meta_Add( sys.meta, VLC_META_TITLE, psz_title );
4677     }
4678     if( psz_date_utc )
4679     {
4680         vlc_meta_Add( sys.meta, VLC_META_DATE, psz_date_utc );
4681     }
4682     if( psz_segment_filename )
4683     {
4684         vlc_meta_Add( sys.meta, _("Segment filename"), psz_segment_filename );
4685     }
4686     if( psz_muxing_application )
4687     {
4688         vlc_meta_Add( sys.meta, _("Muxing application"), psz_muxing_application );
4689     }
4690     if( psz_writing_application )
4691     {
4692         vlc_meta_Add( sys.meta, _("Writing application"), psz_writing_application );
4693     }
4694
4695     for( i_track = 0; i_track < tracks.size(); i_track++ )
4696     {
4697         mkv_track_t *tk = tracks[i_track];
4698         vlc_meta_t *mtk = vlc_meta_New();
4699
4700         sys.meta->track = (vlc_meta_t**)realloc( sys.meta->track,
4701                                                     sizeof( vlc_meta_t * ) * ( sys.meta->i_track + 1 ) );
4702         sys.meta->track[sys.meta->i_track++] = mtk;
4703
4704         if( tk->fmt.psz_description )
4705         {
4706             vlc_meta_Add( sys.meta, VLC_META_DESCRIPTION, tk->fmt.psz_description );
4707         }
4708         if( tk->psz_codec_name )
4709         {
4710             vlc_meta_Add( sys.meta, VLC_META_CODEC_NAME, tk->psz_codec_name );
4711         }
4712         if( tk->psz_codec_settings )
4713         {
4714             vlc_meta_Add( sys.meta, VLC_META_SETTING, tk->psz_codec_settings );
4715         }
4716         if( tk->psz_codec_info_url )
4717         {
4718             vlc_meta_Add( sys.meta, VLC_META_CODEC_DESCRIPTION, tk->psz_codec_info_url );
4719         }
4720         if( tk->psz_codec_download_url )
4721         {
4722             vlc_meta_Add( sys.meta, VLC_META_URL, tk->psz_codec_download_url );
4723         }
4724     }
4725
4726     if( i_tags_position >= 0 )
4727     {
4728         vlc_bool_t b_seekable;
4729
4730         stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
4731         if( b_seekable )
4732         {
4733             LoadTags( );
4734         }
4735     }
4736 }
4737
4738
4739 /*****************************************************************************
4740  * Divers
4741  *****************************************************************************/
4742
4743 void matroska_segment_c::IndexAppendCluster( KaxCluster *cluster )
4744 {
4745 #define idx p_indexes[i_index]
4746     idx.i_track       = -1;
4747     idx.i_block_number= -1;
4748     idx.i_position    = cluster->GetElementPosition();
4749     idx.i_time        = -1;
4750     idx.b_key         = VLC_TRUE;
4751
4752     i_index++;
4753     if( i_index >= i_index_max )
4754     {
4755         i_index_max += 1024;
4756         p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
4757     }
4758 #undef idx
4759 }
4760
4761 void chapter_edition_c::RefreshChapters( )
4762 {
4763     chapter_item_c::RefreshChapters( b_ordered, -1 );
4764     b_display_seekpoint = false;
4765 }
4766
4767 int64_t chapter_item_c::RefreshChapters( bool b_ordered, int64_t i_prev_user_time )
4768 {
4769     int64_t i_user_time = i_prev_user_time;
4770
4771     // first the sub-chapters, and then ourself
4772     std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
4773     while ( index != sub_chapters.end() )
4774     {
4775         i_user_time = (*index)->RefreshChapters( b_ordered, i_user_time );
4776         index++;
4777     }
4778
4779     if ( b_ordered )
4780     {
4781         // the ordered chapters always start at zero
4782         if ( i_prev_user_time == -1 )
4783         {
4784             if ( i_user_time == -1 )
4785                 i_user_time = 0;
4786             i_prev_user_time = 0;
4787         }
4788
4789         i_user_start_time = i_prev_user_time;
4790         if ( i_end_time != -1 && i_user_time == i_prev_user_time )
4791         {
4792             i_user_end_time = i_user_start_time - i_start_time + i_end_time;
4793         }
4794         else
4795         {
4796             i_user_end_time = i_user_time;
4797         }
4798     }
4799     else
4800     {
4801         if ( sub_chapters.begin() != sub_chapters.end() )
4802             std::sort( sub_chapters.begin(), sub_chapters.end(), chapter_item_c::CompareTimecode );
4803         i_user_start_time = i_start_time;
4804         if ( i_end_time != -1 )
4805             i_user_end_time = i_end_time;
4806         else if ( i_user_time != -1 )
4807             i_user_end_time = i_user_time;
4808         else
4809             i_user_end_time = i_user_start_time;
4810     }
4811
4812     return i_user_end_time;
4813 }
4814
4815 mtime_t chapter_edition_c::Duration() const
4816 {
4817     mtime_t i_result = 0;
4818
4819     if ( sub_chapters.size() )
4820     {
4821         std::vector<chapter_item_c*>::const_iterator index = sub_chapters.end();
4822         index--;
4823         i_result = (*index)->i_user_end_time;
4824     }
4825
4826     return i_result;
4827 }
4828
4829 chapter_item_c * chapter_edition_c::FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current )
4830 {
4831     if ( !b_ordered )
4832         p_current = NULL;
4833     bool b_found_current = false;
4834     return chapter_item_c::FindTimecode( i_timecode, p_current, b_found_current );
4835 }
4836
4837 chapter_item_c *chapter_item_c::FindTimecode( mtime_t i_user_timecode, const chapter_item_c * p_current, bool & b_found )
4838 {
4839     chapter_item_c *psz_result = NULL;
4840
4841     if ( p_current == this )
4842         b_found = true;
4843
4844     if ( i_user_timecode >= i_user_start_time &&
4845         ( i_user_timecode < i_user_end_time ||
4846           ( i_user_start_time == i_user_end_time && i_user_timecode == i_user_end_time )))
4847     {
4848         std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
4849         while ( index != sub_chapters.end() && ((p_current == NULL && psz_result == NULL) || (p_current != NULL && (!b_found || psz_result == NULL))))
4850         {
4851             psz_result = (*index)->FindTimecode( i_user_timecode, p_current, b_found );
4852             index++;
4853         }
4854
4855         if ( psz_result == NULL )
4856             psz_result = this;
4857     }
4858
4859     return psz_result;
4860 }
4861
4862 bool chapter_item_c::ParentOf( const chapter_item_c & item ) const
4863 {
4864     if ( &item == this )
4865         return true;
4866
4867     std::vector<chapter_item_c*>::const_iterator index = sub_chapters.begin();
4868     while ( index != sub_chapters.end() )
4869     {
4870         if ( (*index)->ParentOf( item ) )
4871             return true;
4872         index++;
4873     }
4874
4875     return false;
4876 }
4877
4878 void demux_sys_t::PreloadFamily( const matroska_segment_c & of_segment )
4879 {
4880     for (size_t i=0; i<opened_segments.size(); i++)
4881     {
4882         opened_segments[i]->PreloadFamily( of_segment );
4883     }
4884 }
4885 bool matroska_segment_c::PreloadFamily( const matroska_segment_c & of_segment )
4886 {
4887     if ( b_preloaded )
4888         return false;
4889
4890     for (size_t i=0; i<families.size(); i++)
4891     {
4892         for (size_t j=0; j<of_segment.families.size(); j++)
4893         {
4894             if ( families[i] == of_segment.families[j] )
4895                 return Preload( );
4896         }
4897     }
4898
4899     return false;
4900 }
4901
4902 // preload all the linked segments for all preloaded segments
4903 void demux_sys_t::PreloadLinked( matroska_segment_c *p_segment )
4904 {
4905     size_t i_preloaded, i, j;
4906     virtual_segment_c *p_seg;
4907
4908     p_current_segment = VirtualFromSegments( p_segment );
4909
4910     used_segments.push_back( p_current_segment );
4911
4912     // create all the other virtual segments of the family
4913     do {
4914         i_preloaded = 0;
4915         for ( i=0; i< opened_segments.size(); i++ )
4916         {
4917             if ( opened_segments[i]->b_preloaded && !IsUsedSegment( *opened_segments[i] ) )
4918             {
4919                 p_seg = VirtualFromSegments( opened_segments[i] );
4920                 used_segments.push_back( p_seg );
4921                 i_preloaded++;
4922             }
4923         }
4924     } while ( i_preloaded ); // worst case: will stop when all segments are found as family related
4925
4926     // publish all editions of all usable segment
4927     for ( i=0; i< used_segments.size(); i++ )
4928     {
4929         p_seg = used_segments[i];
4930         if ( p_seg->p_editions != NULL )
4931         {
4932             std::string sz_name;
4933             input_title_t *p_title = vlc_input_title_New();
4934             p_seg->i_sys_title = i;
4935             int i_chapters;
4936
4937             // TODO use a name for each edition, let the TITLE deal with a codec name
4938             for ( j=0; j<p_seg->p_editions->size(); j++ )
4939             {
4940                 if ( p_title->psz_name == NULL )
4941                 {
4942                     sz_name = (*p_seg->p_editions)[j]->GetMainName();
4943                     if ( sz_name != "" )
4944                         p_title->psz_name = strdup( sz_name.c_str() );
4945                 }
4946
4947                 chapter_edition_c *p_edition = (*p_seg->p_editions)[j];
4948
4949                 i_chapters = 0;
4950                 p_edition->PublishChapters( *p_title, i_chapters, 0 );
4951             }
4952
4953             // create a name if there is none
4954             if ( p_title->psz_name == NULL )
4955             {
4956                 sz_name = N_("Segment ");
4957                 char psz_str[6];
4958                 sprintf( psz_str, "%d", (int)i );
4959                 sz_name += psz_str;
4960                 p_title->psz_name = strdup( sz_name.c_str() );
4961             }
4962
4963             titles.push_back( p_title );
4964         }
4965     }
4966
4967     // TODO decide which segment should be first used (VMG for DVD)
4968 }
4969
4970 bool demux_sys_t::IsUsedSegment( matroska_segment_c &segment ) const
4971 {
4972     for ( size_t i=0; i< used_segments.size(); i++ )
4973     {
4974         if ( used_segments[i]->FindUID( *segment.p_segment_uid ) )
4975             return true;
4976     }
4977     return false;
4978 }
4979
4980 virtual_segment_c *demux_sys_t::VirtualFromSegments( matroska_segment_c *p_segment ) const
4981 {
4982     size_t i_preloaded, i;
4983
4984     virtual_segment_c *p_result = new virtual_segment_c( p_segment );
4985
4986     // fill our current virtual segment with all hard linked segments
4987     do {
4988         i_preloaded = 0;
4989         for ( i=0; i< opened_segments.size(); i++ )
4990         {
4991             i_preloaded += p_result->AddSegment( opened_segments[i] );
4992         }
4993     } while ( i_preloaded ); // worst case: will stop when all segments are found as linked
4994
4995     p_result->Sort( );
4996
4997     p_result->PreloadLinked( );
4998
4999     p_result->PrepareChapters( );
5000
5001     return p_result;
5002 }
5003
5004 bool demux_sys_t::PreparePlayback( virtual_segment_c *p_new_segment )
5005 {
5006     if ( p_new_segment != NULL && p_new_segment != p_current_segment )
5007     {
5008         if ( p_current_segment != NULL && p_current_segment->Segment() != NULL )
5009             p_current_segment->Segment()->UnSelect();
5010
5011         p_current_segment = p_new_segment;
5012         i_current_title = p_new_segment->i_sys_title;
5013     }
5014
5015     p_current_segment->LoadCues();
5016     f_duration = p_current_segment->Duration();
5017
5018     /* add information */
5019     p_current_segment->Segment()->InformationCreate( );
5020
5021     p_current_segment->Segment()->Select( 0 );
5022
5023     return true;
5024 }
5025
5026 void demux_sys_t::JumpTo( virtual_segment_c & vsegment, chapter_item_c * p_chapter )
5027 {
5028     // if the segment is not part of the current segment, select the new one
5029     if ( &vsegment != p_current_segment )
5030     {
5031         PreparePlayback( &vsegment );
5032     }
5033
5034     if ( p_chapter != NULL )
5035     {
5036         if ( !p_chapter->Enter( true ) )
5037         {
5038             // jump to the location in the found segment
5039             vsegment.Seek( demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5040         }
5041     }
5042
5043 }
5044
5045 bool matroska_segment_c::CompareSegmentUIDs( const matroska_segment_c * p_item_a, const matroska_segment_c * p_item_b )
5046 {
5047     if ( p_item_a == NULL || p_item_b == NULL )
5048         return false;
5049
5050     EbmlBinary * p_itema = (EbmlBinary *)(p_item_a->p_segment_uid);
5051     if ( p_item_b->p_prev_segment_uid != NULL && *p_itema == *p_item_b->p_prev_segment_uid )
5052         return true;
5053
5054     p_itema = (EbmlBinary *)(&p_item_a->p_next_segment_uid);
5055     if ( p_item_b->p_segment_uid != NULL && *p_itema == *p_item_b->p_segment_uid )
5056         return true;
5057
5058     if ( p_item_b->p_prev_segment_uid != NULL && *p_itema == *p_item_b->p_prev_segment_uid )
5059         return true;
5060
5061     return false;
5062 }
5063
5064 bool matroska_segment_c::Preload( )
5065 {
5066     if ( b_preloaded )
5067         return false;
5068
5069     EbmlElement *el = NULL;
5070
5071     ep->Reset( &sys.demuxer );
5072
5073     while( ( el = ep->Get() ) != NULL )
5074     {
5075         if( MKV_IS_ID( el, KaxInfo ) )
5076         {
5077             ParseInfo( static_cast<KaxInfo*>( el ) );
5078         }
5079         else if( MKV_IS_ID( el, KaxTracks ) )
5080         {
5081             ParseTracks( static_cast<KaxTracks*>( el ) );
5082         }
5083         else if( MKV_IS_ID( el, KaxSeekHead ) )
5084         {
5085             ParseSeekHead( static_cast<KaxSeekHead*>( el ) );
5086         }
5087         else if( MKV_IS_ID( el, KaxCues ) )
5088         {
5089             msg_Dbg( &sys.demuxer, "|   + Cues" );
5090         }
5091         else if( MKV_IS_ID( el, KaxCluster ) )
5092         {
5093             msg_Dbg( &sys.demuxer, "|   + Cluster" );
5094
5095             cluster = (KaxCluster*)el;
5096
5097             i_cluster_pos = i_start_pos = cluster->GetElementPosition();
5098             ParseCluster( );
5099
5100             ep->Down();
5101             /* stop parsing the stream */
5102             break;
5103         }
5104         else if( MKV_IS_ID( el, KaxAttachments ) )
5105         {
5106             msg_Dbg( &sys.demuxer, "|   + Attachments FIXME (but probably never supported)" );
5107         }
5108         else if( MKV_IS_ID( el, KaxChapters ) )
5109         {
5110             msg_Dbg( &sys.demuxer, "|   + Chapters" );
5111             ParseChapters( static_cast<KaxChapters*>( el ) );
5112         }
5113         else if( MKV_IS_ID( el, KaxTag ) )
5114         {
5115             msg_Dbg( &sys.demuxer, "|   + Tags FIXME TODO" );
5116         }
5117         else
5118         {
5119             msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid(*el).name() );
5120         }
5121     }
5122
5123     b_preloaded = true;
5124
5125     return true;
5126 }
5127
5128 matroska_segment_c *demux_sys_t::FindSegment( const EbmlBinary & uid ) const
5129 {
5130     for (size_t i=0; i<opened_segments.size(); i++)
5131     {
5132         if ( *opened_segments[i]->p_segment_uid == uid )
5133             return opened_segments[i];
5134     }
5135     return NULL;
5136 }
5137
5138 chapter_item_c *demux_sys_t::BrowseCodecPrivate( unsigned int codec_id,
5139                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
5140                                         const void *p_cookie,
5141                                         size_t i_cookie_size,
5142                                         virtual_segment_c * &p_segment_found )
5143 {
5144     chapter_item_c *p_result = NULL;
5145     for (size_t i=0; i<used_segments.size(); i++)
5146     {
5147         p_result = used_segments[i]->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
5148         if ( p_result != NULL )
5149         {
5150             p_segment_found = used_segments[i];
5151             break;
5152         }
5153     }
5154     return p_result;
5155 }
5156
5157 chapter_item_c *demux_sys_t::FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found )
5158 {
5159     chapter_item_c *p_result = NULL;
5160     for (size_t i=0; i<used_segments.size(); i++)
5161     {
5162         p_result = used_segments[i]->FindChapter( i_find_uid );
5163         if ( p_result != NULL )
5164         {
5165             p_segment_found = used_segments[i];
5166             break;
5167         }
5168     }
5169     return p_result;
5170 }
5171
5172 void virtual_segment_c::Sort()
5173 {
5174     // keep the current segment index
5175     matroska_segment_c *p_segment = linked_segments[i_current_segment];
5176
5177     std::sort( linked_segments.begin(), linked_segments.end(), matroska_segment_c::CompareSegmentUIDs );
5178
5179     for ( i_current_segment=0; i_current_segment<linked_segments.size(); i_current_segment++)
5180         if ( linked_segments[i_current_segment] == p_segment )
5181             break;
5182 }
5183
5184 size_t virtual_segment_c::AddSegment( matroska_segment_c *p_segment )
5185 {
5186     size_t i;
5187     // check if it's not already in here
5188     for ( i=0; i<linked_segments.size(); i++ )
5189     {
5190         if ( *p_segment->p_segment_uid == *linked_segments[i]->p_segment_uid )
5191             return 0;
5192     }
5193
5194     // find possible mates
5195     for ( i=0; i<linked_uids.size(); i++ )
5196     {
5197         if (   (p_segment->p_segment_uid != NULL && *p_segment->p_segment_uid == linked_uids[i])
5198             || (p_segment->p_prev_segment_uid != NULL && *p_segment->p_prev_segment_uid == linked_uids[i])
5199             || (p_segment->p_next_segment_uid !=NULL && *p_segment->p_next_segment_uid == linked_uids[i]) )
5200         {
5201             linked_segments.push_back( p_segment );
5202
5203             AppendUID( p_segment->p_prev_segment_uid );
5204             AppendUID( p_segment->p_next_segment_uid );
5205
5206             return 1;
5207         }
5208     }
5209     return 0;
5210 }
5211
5212 void virtual_segment_c::PreloadLinked( )
5213 {
5214     for ( size_t i=0; i<linked_segments.size(); i++ )
5215     {
5216         linked_segments[i]->Preload( );
5217     }
5218     i_current_edition = linked_segments[0]->i_default_edition;
5219 }
5220
5221 mtime_t virtual_segment_c::Duration() const
5222 {
5223     mtime_t i_duration;
5224     if ( linked_segments.size() == 0 )
5225         i_duration = 0;
5226     else {
5227         matroska_segment_c *p_last_segment = linked_segments[linked_segments.size()-1];
5228 //        p_last_segment->ParseCluster( );
5229
5230         i_duration = p_last_segment->i_start_time / 1000 + p_last_segment->i_duration;
5231     }
5232     return i_duration;
5233 }
5234
5235 void virtual_segment_c::LoadCues( )
5236 {
5237     for ( size_t i=0; i<linked_segments.size(); i++ )
5238     {
5239         linked_segments[i]->LoadCues();
5240     }
5241 }
5242
5243 void virtual_segment_c::AppendUID( const EbmlBinary * p_UID )
5244 {
5245     if ( p_UID == NULL )
5246         return;
5247     if ( p_UID->GetBuffer() == NULL )
5248         return;
5249
5250     for (size_t i=0; i<linked_uids.size(); i++)
5251     {
5252         if ( *p_UID == linked_uids[i] )
5253             return;
5254     }
5255     linked_uids.push_back( *(KaxSegmentUID*)(p_UID) );
5256 }
5257
5258 void matroska_segment_c::Seek( mtime_t i_date, mtime_t i_time_offset )
5259 {
5260     KaxBlock    *block;
5261     int         i_track_skipping;
5262     int64_t     i_block_duration;
5263     int64_t     i_block_ref1;
5264     int64_t     i_block_ref2;
5265     size_t      i_track;
5266     int64_t     i_seek_position = i_start_pos;
5267     int64_t     i_seek_time = i_start_time;
5268
5269     if ( i_index > 0 )
5270     {
5271         int i_idx = 0;
5272
5273         for( ; i_idx < i_index; i_idx++ )
5274         {
5275             if( p_indexes[i_idx].i_time + i_time_offset > i_date )
5276             {
5277                 break;
5278             }
5279         }
5280
5281         if( i_idx > 0 )
5282         {
5283             i_idx--;
5284         }
5285
5286         i_seek_position = p_indexes[i_idx].i_position;
5287         i_seek_time = p_indexes[i_idx].i_time;
5288     }
5289
5290     msg_Dbg( &sys.demuxer, "seek got "I64Fd" (%d%%)",
5291                 i_seek_time, (int)( 100 * i_seek_position / stream_Size( sys.demuxer.s ) ) );
5292
5293     es.I_O().setFilePointer( i_seek_position, seek_beginning );
5294
5295     delete ep;
5296     ep = new EbmlParser( &es, segment, &sys.demuxer );
5297     cluster = NULL;
5298
5299     sys.i_start_pts = i_date;
5300
5301     es_out_Control( sys.demuxer.out, ES_OUT_RESET_PCR );
5302
5303     /* now parse until key frame */
5304     i_track_skipping = 0;
5305     for( i_track = 0; i_track < tracks.size(); i_track++ )
5306     {
5307         if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5308         {
5309             tracks[i_track]->b_search_keyframe = VLC_TRUE;
5310             i_track_skipping++;
5311         }
5312         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_date );
5313     }
5314
5315
5316     while( i_track_skipping > 0 )
5317     {
5318         if( BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
5319         {
5320             msg_Warn( &sys.demuxer, "cannot get block EOF?" );
5321
5322             return;
5323         }
5324         ep->Down();
5325
5326         for( i_track = 0; i_track < tracks.size(); i_track++ )
5327         {
5328             if( tracks[i_track]->i_number == block->TrackNum() )
5329             {
5330                 break;
5331             }
5332         }
5333
5334         sys.i_last_dts = sys.i_pts = (sys.i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
5335
5336         if( i_track < tracks.size() )
5337         {
5338            if( sys.i_pts >= sys.i_start_pts )
5339             {
5340                 cluster = static_cast<KaxCluster*>(ep->UnGet( i_block_pos, i_cluster_pos ));
5341                 i_track_skipping = 0;
5342             }
5343             else if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5344             {
5345                 if( i_block_ref1 == 0 && tracks[i_track]->b_search_keyframe )
5346                 {
5347                     tracks[i_track]->b_search_keyframe = VLC_FALSE;
5348                     i_track_skipping--;
5349                 }
5350                 if( !tracks[i_track]->b_search_keyframe )
5351                 {
5352                     BlockDecode( &sys.demuxer, block, sys.i_pts, 0 );
5353                 }
5354             }
5355         }
5356
5357         delete block;
5358     }
5359 }
5360
5361 void virtual_segment_c::Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter )
5362 {
5363     demux_sys_t *p_sys = demuxer.p_sys;
5364     size_t i;
5365
5366     // find the actual time for an ordered edition
5367     if ( psz_chapter == NULL )
5368     {
5369         if ( Edition() && Edition()->b_ordered )
5370         {
5371             /* 1st, we need to know in which chapter we are */
5372             psz_chapter = (*p_editions)[i_current_edition]->FindTimecode( i_date, psz_current_chapter );
5373         }
5374     }
5375
5376     if ( psz_chapter != NULL )
5377     {
5378         psz_current_chapter = psz_chapter;
5379         p_sys->i_chapter_time = i_time_offset = psz_chapter->i_user_start_time - psz_chapter->i_start_time;
5380         if ( psz_chapter->i_seekpoint_num > 0 )
5381         {
5382             demuxer.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
5383             demuxer.info.i_title = p_sys->i_current_title = i_sys_title;
5384             demuxer.info.i_seekpoint = psz_chapter->i_seekpoint_num - 1;
5385         }
5386     }
5387
5388     // find the best matching segment
5389     for ( i=0; i<linked_segments.size(); i++ )
5390     {
5391         if ( i_date < linked_segments[i]->i_start_time )
5392             break;
5393     }
5394
5395     if ( i > 0 )
5396         i--;
5397
5398     if ( i_current_segment != i  )
5399     {
5400         linked_segments[i_current_segment]->UnSelect();
5401         linked_segments[i]->Select( i_date );
5402         i_current_segment = i;
5403     }
5404
5405     linked_segments[i]->Seek( i_date, i_time_offset );
5406 }
5407
5408 void chapter_codec_cmds_c::AddCommand( const KaxChapterProcessCommand & command )
5409 {
5410     size_t i;
5411
5412     uint32 codec_time = uint32(-1);
5413     for( i = 0; i < command.ListSize(); i++ )
5414     {
5415         const EbmlElement *k = command[i];
5416
5417         if( MKV_IS_ID( k, KaxChapterProcessTime ) )
5418         {
5419             codec_time = uint32( *static_cast<const KaxChapterProcessTime*>( k ) );
5420             break;
5421         }
5422     }
5423
5424     for( i = 0; i < command.ListSize(); i++ )
5425     {
5426         const EbmlElement *k = command[i];
5427
5428         if( MKV_IS_ID( k, KaxChapterProcessData ) )
5429         {
5430             KaxChapterProcessData *p_data =  new KaxChapterProcessData( *static_cast<const KaxChapterProcessData*>( k ) );
5431             switch ( codec_time )
5432             {
5433             case 0:
5434                 during_cmds.push_back( p_data );
5435                 break;
5436             case 1:
5437                 enter_cmds.push_back( p_data );
5438                 break;
5439             case 2:
5440                 leave_cmds.push_back( p_data );
5441                 break;
5442             default:
5443                 delete p_data;
5444             }
5445         }
5446     }
5447 }
5448
5449 bool chapter_item_c::Enter( bool b_do_subs )
5450 {
5451     bool f_result = false;
5452     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5453     while ( index != codecs.end() )
5454     {
5455         f_result |= (*index)->Enter();
5456         index++;
5457     }
5458
5459     if ( b_do_subs )
5460     {
5461         // sub chapters
5462         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5463         while ( index_ != sub_chapters.end() )
5464         {
5465             f_result |= (*index_)->Enter( true );
5466             index_++;
5467         }
5468     }
5469     return f_result;
5470 }
5471
5472 bool chapter_item_c::Leave( bool b_do_subs )
5473 {
5474     bool f_result = false;
5475     b_is_leaving = true;
5476     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5477     while ( index != codecs.end() )
5478     {
5479         f_result |= (*index)->Leave();
5480         index++;
5481     }
5482
5483     if ( b_do_subs )
5484     {
5485         // sub chapters
5486         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5487         while ( index_ != sub_chapters.end() )
5488         {
5489             f_result |= (*index_)->Leave( true );
5490             index_++;
5491         }
5492     }
5493     b_is_leaving = false;
5494     return f_result;
5495 }
5496
5497 bool chapter_item_c::EnterAndLeave( chapter_item_c *p_item, bool b_final_enter )
5498 {
5499     chapter_item_c *p_common_parent = p_item;
5500
5501     // leave, up to a common parent
5502     while ( p_common_parent != NULL && !p_common_parent->ParentOf( *this ) )
5503     {
5504         if ( !p_common_parent->b_is_leaving && p_common_parent->Leave( false ) )
5505             return true;
5506         p_common_parent = p_common_parent->psz_parent;
5507     }
5508
5509     // enter from the parent to <this>
5510     if ( p_common_parent != NULL )
5511     {
5512         do
5513         {
5514             if ( p_common_parent == this )
5515                 return Enter( true );
5516
5517             for ( size_t i = 0; i<p_common_parent->sub_chapters.size(); i++ )
5518             {
5519                 if ( p_common_parent->sub_chapters[i]->ParentOf( *this ) )
5520                 {
5521                     p_common_parent = p_common_parent->sub_chapters[i];
5522                     if ( p_common_parent != this )
5523                         if ( p_common_parent->Enter( false ) )
5524                             return true;
5525
5526                     break;
5527                 }
5528             }
5529         } while ( 1 );
5530     }
5531
5532     if ( b_final_enter )
5533         return Enter( true );
5534     else
5535         return false;
5536 }
5537
5538 bool dvd_chapter_codec_c::Enter()
5539 {
5540     bool f_result = false;
5541     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
5542     while ( index != enter_cmds.end() )
5543     {
5544         if ( (*index)->GetSize() )
5545         {
5546             binary *p_data = (*index)->GetBuffer();
5547             size_t i_size = *p_data++;
5548             // avoid reading too much from the buffer
5549             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
5550             for ( ; i_size > 0; i_size--, p_data += 8 )
5551             {
5552                 msg_Dbg( &sys.demuxer, "Matroska DVD enter command" );
5553                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5554             }
5555         }
5556         index++;
5557     }
5558     return f_result;
5559 }
5560
5561 bool dvd_chapter_codec_c::Leave()
5562 {
5563     bool f_result = false;
5564     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
5565     while ( index != leave_cmds.end() )
5566     {
5567         if ( (*index)->GetSize() )
5568         {
5569             binary *p_data = (*index)->GetBuffer();
5570             size_t i_size = *p_data++;
5571             // avoid reading too much from the buffer
5572             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
5573             for ( ; i_size > 0; i_size--, p_data += 8 )
5574             {
5575                 msg_Dbg( &sys.demuxer, "Matroska DVD leave command" );
5576                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5577             }
5578         }
5579         index++;
5580     }
5581     return f_result;
5582 }
5583
5584 // see http://www.dvd-replica.com/DVD/vmcmdset.php for a description of DVD commands
5585 bool dvd_command_interpretor_c::Interpret( const binary * p_command, size_t i_size )
5586 {
5587     if ( i_size != 8 )
5588         return false;
5589
5590     virtual_segment_c *p_segment;
5591     chapter_item_c *p_chapter;
5592     bool f_result = false;
5593     uint16 i_command = ( p_command[0] << 8 ) + p_command[1];
5594
5595     // handle register tests if there are some
5596     if ( (i_command & 0xF0) != 0 )
5597     {
5598         bool b_test_positive = true;//(i_command & CMD_DVD_IF_NOT) == 0;
5599         bool b_test_value    = (i_command & CMD_DVD_TEST_VALUE) != 0;
5600         uint8 i_test = i_command & 0x70;
5601         uint16 i_value;
5602
5603         // see http://dvd.sourceforge.net/dvdinfo/vmi.html
5604         uint8  i_cr1;
5605         uint16 i_cr2;
5606         switch ( i_command >> 12 )
5607         {
5608         default:
5609             i_cr1 = p_command[3];
5610             i_cr2 = (p_command[4] << 8) + p_command[5];
5611             break;
5612         case 3:
5613         case 4:
5614         case 5:
5615             i_cr1 = p_command[6];
5616             i_cr2 = p_command[7];
5617             b_test_value = false;
5618             break;
5619         case 6:
5620         case 7:
5621             if ( ((p_command[1] >> 4) & 0x7) == 0)
5622             {
5623                 i_cr1 = p_command[2];
5624                 i_cr2 = (p_command[6] << 8) + p_command[7];
5625             }
5626             else
5627             {
5628                 i_cr1 = p_command[2];
5629                 i_cr2 = (p_command[6] << 8) + p_command[7];
5630             }
5631             break;
5632         }
5633
5634         if ( b_test_value )
5635             i_value = i_cr2;
5636         else
5637             i_value = GetPRM( i_cr2 );
5638
5639         switch ( i_test )
5640         {
5641         case CMD_DVD_IF_GPREG_EQUAL:
5642             // if equals
5643             msg_Dbg( &sys.demuxer, "IF %s EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5644             if (!( GetPRM( i_cr1 ) == i_value ))
5645             {
5646                 b_test_positive = false;
5647             }
5648             break;
5649         case CMD_DVD_IF_GPREG_NOT_EQUAL:
5650             // if not equals
5651             msg_Dbg( &sys.demuxer, "IF %s NOT EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5652             if (!( GetPRM( i_cr1 ) != i_value ))
5653             {
5654                 b_test_positive = false;
5655             }
5656             break;
5657         case CMD_DVD_IF_GPREG_INF:
5658             // if inferior
5659             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5660             if (!( GetPRM( i_cr1 ) < i_value ))
5661             {
5662                 b_test_positive = false;
5663             }
5664             break;
5665         case CMD_DVD_IF_GPREG_INF_EQUAL:
5666             // if inferior or equal
5667             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5668             if (!( GetPRM( i_cr1 ) <= i_value ))
5669             {
5670                 b_test_positive = false;
5671             }
5672             break;
5673         case CMD_DVD_IF_GPREG_AND:
5674             // if logical and
5675             msg_Dbg( &sys.demuxer, "IF %s & %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5676             if (!( GetPRM( i_cr1 ) & i_value ))
5677             {
5678                 b_test_positive = false;
5679             }
5680             break;
5681         case CMD_DVD_IF_GPREG_SUP:
5682             // if superior
5683             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5684             if (!( GetPRM( i_cr1 ) > i_value ))
5685             {
5686                 b_test_positive = false;
5687             }
5688             break;
5689         case CMD_DVD_IF_GPREG_SUP_EQUAL:
5690             // if superior or equal
5691             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5692             if (!( GetPRM( i_cr1 ) >= i_value ))
5693             {
5694                 b_test_positive = false;
5695             }
5696             break;
5697         }
5698
5699         if ( !b_test_positive )
5700             return false;
5701     }
5702
5703     // strip the test command
5704     i_command &= 0xFF0F;
5705
5706     switch ( i_command )
5707     {
5708     case CMD_DVD_NOP:
5709     case CMD_DVD_NOP2:
5710         {
5711             msg_Dbg( &sys.demuxer, "NOP" );
5712             break;
5713         }
5714     case CMD_DVD_BREAK:
5715         {
5716             msg_Dbg( &sys.demuxer, "Break" );
5717             // TODO
5718             break;
5719         }
5720     case CMD_DVD_JUMP_TT:
5721         {
5722             uint8 i_title = p_command[5];
5723             msg_Dbg( &sys.demuxer, "JumpTT %d", i_title );
5724
5725             // find in the ChapProcessPrivate matching this Title level
5726             p_chapter = sys.BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title), p_segment );
5727             if ( p_segment != NULL )
5728             {
5729                 sys.JumpTo( *p_segment, p_chapter );
5730                 f_result = true;
5731             }
5732
5733             break;
5734         }
5735     case CMD_DVD_CALLSS_VTSM1:
5736         {
5737             msg_Dbg( &sys.demuxer, "CallSS" );
5738             binary p_type;
5739             switch( (p_command[6] & 0xC0) >> 6 ) {
5740                 case 0:
5741                     p_type = p_command[5] & 0x0F;
5742                     switch ( p_type )
5743                     {
5744                     case 0x00:
5745                         msg_Dbg( &sys.demuxer, "CallSS PGC (rsm_cell %x)", p_command[4]);
5746                         break;
5747                     case 0x02:
5748                         msg_Dbg( &sys.demuxer, "CallSS Title Entry (rsm_cell %x)", p_command[4]);
5749                         break;
5750                     case 0x03:
5751                         msg_Dbg( &sys.demuxer, "CallSS Root Menu (rsm_cell %x)", p_command[4]);
5752                         break;
5753                     case 0x04:
5754                         msg_Dbg( &sys.demuxer, "CallSS Subpicture Menu (rsm_cell %x)", p_command[4]);
5755                         break;
5756                     case 0x05:
5757                         msg_Dbg( &sys.demuxer, "CallSS Audio Menu (rsm_cell %x)", p_command[4]);
5758                         break;
5759                     case 0x06:
5760                         msg_Dbg( &sys.demuxer, "CallSS Angle Menu (rsm_cell %x)", p_command[4]);
5761                         break;
5762                     case 0x07:
5763                         msg_Dbg( &sys.demuxer, "CallSS Chapter Menu (rsm_cell %x)", p_command[4]);
5764                         break;
5765                     default:
5766                         msg_Dbg( &sys.demuxer, "CallSS <unknown> (rsm_cell %x)", p_command[4]);
5767                         break;
5768                     }
5769                     p_chapter = sys.BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1, p_segment );
5770                     if ( p_segment != NULL )
5771                     {
5772                         sys.JumpTo( *p_segment, p_chapter );
5773                         f_result = true;
5774                     }
5775                 break;
5776                 case 1:
5777                     msg_Dbg( &sys.demuxer, "CallSS VMGM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
5778                 break;
5779                 case 2:
5780                     msg_Dbg( &sys.demuxer, "CallSS VTSM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
5781                 break;
5782                 case 3:
5783                     msg_Dbg( &sys.demuxer, "CallSS VMGM (pgc %d, rsm_cell %x)", (p_command[2] << 8) + p_command[3], p_command[4]);
5784                 break;
5785             }
5786             break;
5787         }
5788     case CMD_DVD_JUMP_SS:
5789         {
5790             msg_Dbg( &sys.demuxer, "JumpSS");
5791             binary p_type;
5792             switch( (p_command[5] & 0xC0) >> 6 ) {
5793                 case 0:
5794                     msg_Dbg( &sys.demuxer, "JumpSS FP");
5795                 break;
5796                 case 1:
5797                     p_type = p_command[5] & 0x0F;
5798                     switch ( p_type )
5799                     {
5800                     case 0x02:
5801                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Title Entry");
5802                         break;
5803                     case 0x03:
5804                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Root Menu");
5805                         break;
5806                     case 0x04:
5807                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Subpicture Menu");
5808                         break;
5809                     case 0x05:
5810                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Audio Menu");
5811                         break;
5812                     case 0x06:
5813                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Angle Menu");
5814                         break;
5815                     case 0x07:
5816                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Chapter Menu");
5817                         break;
5818                     default:
5819                         msg_Dbg( &sys.demuxer, "JumpSS <unknown>");
5820                         break;
5821                     }
5822                     // find the VMG
5823                     p_chapter = sys.BrowseCodecPrivate( 1, MatchIsVMG, NULL, 0, p_segment );
5824                     if ( p_segment != NULL )
5825                     {
5826                         p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
5827                         if ( p_chapter != NULL )
5828                         {
5829                             sys.JumpTo( *p_segment, p_chapter );
5830                             f_result = true;
5831                         }
5832                     }
5833                 break;
5834                 case 2:
5835                     p_type = p_command[5] & 0x0F;
5836                     switch ( p_type )
5837                     {
5838                     case 0x02:
5839                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Title Entry", p_command[4], p_command[3]);
5840                         break;
5841                     case 0x03:
5842                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Root Menu", p_command[4], p_command[3]);
5843                         break;
5844                     case 0x04:
5845                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Subpicture Menu", p_command[4], p_command[3]);
5846                         break;
5847                     case 0x05:
5848                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Audio Menu", p_command[4], p_command[3]);
5849                         break;
5850                     case 0x06:
5851                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Angle Menu", p_command[4], p_command[3]);
5852                         break;
5853                     case 0x07:
5854                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Chapter Menu", p_command[4], p_command[3]);
5855                         break;
5856                     default:
5857                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) <unknown>", p_command[4], p_command[3]);
5858                         break;
5859                     }
5860
5861                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSMNumber, &p_command[4], 1, p_segment );
5862
5863                     if ( p_segment != NULL && p_chapter != NULL )
5864                     {
5865                         // find the title in the VTS
5866                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &p_command[3], 1 );
5867                         if ( p_chapter != NULL )
5868                         {
5869                             // find the specified menu in the VTSM
5870                             p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
5871                             if ( p_chapter != NULL )
5872                             {
5873                                 sys.JumpTo( *p_segment, p_chapter );
5874                                 f_result = true;
5875                             }
5876                         }
5877                         else
5878                             msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", p_command[3] );
5879                     }
5880                     else
5881                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", p_command[4] );
5882                 break;
5883                 case 3:
5884                     msg_Dbg( &sys.demuxer, "JumpSS VMGM (pgc %d)", (p_command[2] << 8) + p_command[3]);
5885                 break;
5886             }
5887             break;
5888         }
5889     case CMD_DVD_JUMPVTS_PTT:
5890         {
5891             uint8 i_title = p_command[5];
5892             uint8 i_ptt = p_command[3];
5893
5894             msg_Dbg( &sys.demuxer, "JumpVTS Title (%d) PTT (%d)", i_title, i_ptt);
5895
5896             // find the current VTS content segment
5897             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchIsDomain, NULL, 0 );
5898             if ( p_chapter != NULL )
5899             {
5900                 int16 i_curr_title = p_chapter->GetTitleNumber( );
5901                 if ( i_curr_title > 0 )
5902                 {
5903                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSNumber, &i_curr_title, sizeof(i_curr_title), p_segment );
5904
5905                     if ( p_segment != NULL && p_chapter != NULL )
5906                     {
5907                         // find the title in the VTS
5908                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title) );
5909                         if ( p_chapter != NULL )
5910                         {
5911                             // find the chapter in the title
5912                             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchChapterNumber, &i_ptt, sizeof(i_ptt) );
5913                             if ( p_chapter != NULL )
5914                             {
5915                                 sys.JumpTo( *p_segment, p_chapter );
5916                                 f_result = true;
5917                             }
5918                         }
5919                     else
5920                         msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", i_title );
5921                     }
5922                     else
5923                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", i_curr_title );
5924                 }
5925                 else
5926                     msg_Dbg( &sys.demuxer, "JumpVTS_PTT command found but not in a VTS(M)");
5927             }
5928             else
5929                 msg_Dbg( &sys.demuxer, "JumpVTS_PTT command but the DVD domain wasn't found");
5930             break;
5931         }
5932     case CMD_DVD_SET_GPRMMD:
5933         {
5934             msg_Dbg( &sys.demuxer, "Set GPRMMD [%d]=%d", (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3]);
5935
5936             if ( !SetGPRM( (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3] ) )
5937                 msg_Dbg( &sys.demuxer, "Set GPRMMD failed" );
5938             break;
5939         }
5940     case CMD_DVD_LINKPGCN:
5941         {
5942             uint16 i_pgcn = (p_command[6] << 8) + p_command[7];
5943
5944             msg_Dbg( &sys.demuxer, "Link PGCN(%d)", i_pgcn );
5945             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchPgcNumber, &i_pgcn, 2 );
5946             if ( p_chapter != NULL )
5947             {
5948                 if ( !p_chapter->Enter( true ) )
5949                     // jump to the location in the found segment
5950                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5951
5952                 f_result = true;
5953             }
5954             break;
5955         }
5956     case CMD_DVD_LINKCN:
5957         {
5958             uint8 i_cn = p_command[7];
5959
5960             p_chapter = sys.p_current_segment->CurrentChapter();
5961
5962             msg_Dbg( &sys.demuxer, "LinkCN (cell %d)", i_cn );
5963             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchCellNumber, &i_cn, 1 );
5964             if ( p_chapter != NULL )
5965             {
5966                 if ( !p_chapter->Enter( true ) )
5967                     // jump to the location in the found segment
5968                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5969
5970                 f_result = true;
5971             }
5972             break;
5973         }
5974     case CMD_DVD_GOTO_LINE:
5975         {
5976             msg_Dbg( &sys.demuxer, "GotoLine (%d)", (p_command[6] << 8) + p_command[7] );
5977             // TODO
5978             break;
5979         }
5980     case CMD_DVD_SET_HL_BTNN1:
5981         {
5982             msg_Dbg( &sys.demuxer, "SetHL_BTN (%d)", p_command[4] );
5983             SetSPRM( 0x88, p_command[4] );
5984             break;
5985         }
5986     default:
5987         {
5988             msg_Dbg( &sys.demuxer, "unsupported command : %02X %02X %02X %02X %02X %02X %02X %02X"
5989                      ,p_command[0]
5990                      ,p_command[1]
5991                      ,p_command[2]
5992                      ,p_command[3]
5993                      ,p_command[4]
5994                      ,p_command[5]
5995                      ,p_command[6]
5996                      ,p_command[7]);
5997             break;
5998         }
5999     }
6000
6001     return f_result;
6002 }
6003
6004 bool dvd_command_interpretor_c::MatchIsDomain( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6005 {
6006     return ( data.p_private_data != NULL && data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS );
6007 }
6008
6009 bool dvd_command_interpretor_c::MatchIsVMG( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6010 {
6011     if ( data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
6012         return false;
6013
6014     return ( data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS && data.p_private_data->GetBuffer()[1] == 0xC0);
6015 }
6016
6017 bool dvd_command_interpretor_c::MatchVTSNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6018 {
6019     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6020         return false;
6021
6022     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x80 )
6023         return false;
6024
6025     uint16 i_gtitle = (data.p_private_data->GetBuffer()[2] << 8 ) + data.p_private_data->GetBuffer()[3];
6026     uint16 i_title = *(uint16*)p_cookie;
6027
6028     return (i_gtitle == i_title);
6029 }
6030
6031 bool dvd_command_interpretor_c::MatchVTSMNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6032 {
6033     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6034         return false;
6035
6036     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x40 )
6037         return false;
6038
6039     uint8 i_gtitle = data.p_private_data->GetBuffer()[3];
6040     uint8 i_title = *(uint8*)p_cookie;
6041
6042     return (i_gtitle == i_title);
6043 }
6044
6045 bool dvd_command_interpretor_c::MatchTitleNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6046 {
6047     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6048         return false;
6049
6050     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_TT )
6051         return false;
6052
6053     uint16 i_gtitle = (data.p_private_data->GetBuffer()[1] << 8 ) + data.p_private_data->GetBuffer()[2];
6054     uint8 i_title = *(uint8*)p_cookie;
6055
6056     return (i_gtitle == i_title);
6057 }
6058
6059 bool dvd_command_interpretor_c::MatchPgcType( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6060 {
6061     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6062         return false;
6063
6064     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6065         return false;
6066
6067     uint8 i_pgc_type = data.p_private_data->GetBuffer()[3] & 0x0F;
6068     uint8 i_pgc = *(uint8*)p_cookie;
6069
6070     return (i_pgc_type == i_pgc);
6071 }
6072
6073 bool dvd_command_interpretor_c::MatchPgcNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6074 {
6075     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6076         return false;
6077
6078     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6079         return false;
6080
6081     uint16 *i_pgc_n = (uint16 *)p_cookie;
6082     uint16 i_pgc_num = (data.p_private_data->GetBuffer()[1] << 8) + data.p_private_data->GetBuffer()[2];
6083
6084     return (i_pgc_num == *i_pgc_n);
6085 }
6086
6087 bool dvd_command_interpretor_c::MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6088 {
6089     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
6090         return false;
6091
6092     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PTT )
6093         return false;
6094
6095     uint8 i_chapter = data.p_private_data->GetBuffer()[1];
6096     uint8 i_ptt = *(uint8*)p_cookie;
6097
6098     return (i_chapter == i_ptt);
6099 }
6100
6101 bool dvd_command_interpretor_c::MatchCellNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6102 {
6103     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 5 )
6104         return false;
6105
6106     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_CN )
6107         return false;
6108
6109     uint8 *i_cell_n = (uint8 *)p_cookie;
6110     uint8 i_cell_num = data.p_private_data->GetBuffer()[3];
6111
6112     return (i_cell_num == *i_cell_n);
6113 }
6114
6115 bool matroska_script_codec_c::Enter()
6116 {
6117     bool f_result = false;
6118     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
6119     while ( index != enter_cmds.end() )
6120     {
6121         if ( (*index)->GetSize() )
6122         {
6123             msg_Dbg( &sys.demuxer, "Matroska Script enter command" );
6124             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6125         }
6126         index++;
6127     }
6128     return f_result;
6129 }
6130
6131 bool matroska_script_codec_c::Leave()
6132 {
6133     bool f_result = false;
6134     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
6135     while ( index != leave_cmds.end() )
6136     {
6137         if ( (*index)->GetSize() )
6138         {
6139             msg_Dbg( &sys.demuxer, "Matroska Script leave command" );
6140             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6141         }
6142         index++;
6143     }
6144     return f_result;
6145 }
6146
6147 // see http://www.matroska.org/technical/specs/chapters/index.html#mscript
6148 //  for a description of existing commands
6149 bool matroska_script_interpretor_c::Interpret( const binary * p_command, size_t i_size )
6150 {
6151     bool b_result = false;
6152
6153     char *psz_str = (char*) malloc( i_size + 1 );
6154     memcpy( psz_str, p_command, i_size );
6155     psz_str[ i_size ] = '\0';
6156
6157     std::string sz_command = psz_str;
6158     free( psz_str );
6159
6160     msg_Dbg( &sys.demuxer, "command : %s", sz_command.c_str() );
6161
6162 #if defined(__GNUC__) && (__GNUC__ < 3)
6163     if ( sz_command.compare( CMD_MS_GOTO_AND_PLAY, 0, CMD_MS_GOTO_AND_PLAY.size() ) == 0 )
6164 #else
6165     if ( sz_command.compare( 0, CMD_MS_GOTO_AND_PLAY.size(), CMD_MS_GOTO_AND_PLAY ) == 0 )
6166 #endif
6167     {
6168         size_t i,j;
6169
6170         // find the (
6171         for ( i=CMD_MS_GOTO_AND_PLAY.size(); i<sz_command.size(); i++)
6172         {
6173             if ( sz_command[i] == '(' )
6174             {
6175                 i++;
6176                 break;
6177             }
6178         }
6179         // find the )
6180         for ( j=i; j<sz_command.size(); j++)
6181         {
6182             if ( sz_command[j] == ')' )
6183             {
6184                 i--;
6185                 break;
6186             }
6187         }
6188
6189         std::string st = sz_command.substr( i+1, j-i-1 );
6190         int64_t i_chapter_uid = atoi( st.c_str() );
6191
6192         virtual_segment_c *p_segment;
6193         chapter_item_c *p_chapter = sys.FindChapter( i_chapter_uid, p_segment );
6194
6195         if ( p_chapter == NULL )
6196             msg_Dbg( &sys.demuxer, "Chapter "I64Fd" not found", i_chapter_uid);
6197         else
6198         {
6199             if ( !p_chapter->EnterAndLeave( sys.p_current_segment->CurrentChapter() ) )
6200                 p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6201             b_result = true;
6202         }
6203     }
6204
6205     return b_result;
6206 }
6207
6208 void demux_sys_t::SwapButtons()
6209 {
6210 #ifndef WORDS_BIGENDIAN
6211     uint8_t button, i, j;
6212
6213     for( button = 1; button <= pci_packet.hli.hl_gi.btn_ns; button++) {
6214         btni_t *button_ptr = &(pci_packet.hli.btnit[button-1]);
6215         binary *p_data = (binary*) button_ptr;
6216
6217         uint16 i_x_start = ((p_data[0] & 0x3F) << 4 ) + ( p_data[1] >> 4 );
6218         uint16 i_x_end   = ((p_data[1] & 0x03) << 8 ) + p_data[2];
6219         uint16 i_y_start = ((p_data[3] & 0x3F) << 4 ) + ( p_data[4] >> 4 );
6220         uint16 i_y_end   = ((p_data[4] & 0x03) << 8 ) + p_data[5];
6221         button_ptr->x_start = i_x_start;
6222         button_ptr->x_end   = i_x_end;
6223         button_ptr->y_start = i_y_start;
6224         button_ptr->y_end   = i_y_end;
6225
6226     }
6227     for ( i = 0; i<3; i++ )
6228     {
6229         for ( j = 0; j<2; j++ )
6230         {
6231             pci_packet.hli.btn_colit.btn_coli[i][j] = U32_AT( &pci_packet.hli.btn_colit.btn_coli[i][j] );
6232         }
6233     }
6234 #endif
6235 }