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 #if LIBMATROSKA_VERSION < 0x000706
  88 START_LIBMATROSKA_NAMESPACE
  89 extern const EbmlSemanticContext MATROSKA_DLL_API KaxMatroska_Context;
  90 END_LIBMATROSKA_NAMESPACE
  91 #endif
  92
  93 #include "vlc_keys.h"
  94
  95 extern "C" {
  96    #include "mp4/libmp4.h"
  97 }
  98 #ifdef HAVE_ZLIB_H
  99 #   include <zlib.h>
 100 #endif
 101
 102 #define MATROSKA_COMPRESSION_NONE 0
 103 #define MATROSKA_COMPRESSION_ZLIB 1
 104
 105 #define MKVD_TIMECODESCALE 1000000
 106
 107 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 108 #undef ATTRIBUTE_PACKED
 109 #undef PRAGMA_PACK_BEGIN
 110 #undef PRAGMA_PACK_END
 111
 112 #if defined(__GNUC__)
 113 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)
 114 #define ATTRIBUTE_PACKED __attribute__ ((packed))
 115 #define PRAGMA_PACK 0
 116 #endif
 117 #endif
 118
 119 #if !defined(ATTRIBUTE_PACKED)
 120 #define ATTRIBUTE_PACKED
 121 #define PRAGMA_PACK 1
 122 #endif
 123
 124 #if PRAGMA_PACK
 125 #pragma pack(1)
 126 #endif
 127
 128 /*************************************
 129 *  taken from libdvdnav / libdvdread
 130 **************************************/
 131
 132 /**
 133  * DVD Time Information.
 134  */
 135 typedef struct {
 136   uint8_t hour;
 137   uint8_t minute;
 138   uint8_t second;
 139   uint8_t frame_u; /* The two high bits are the frame rate. */
 140 } ATTRIBUTE_PACKED dvd_time_t;
 141
 142 /**
 143  * User Operations.
 144  */
 145 typedef struct {
 146 #ifdef WORDS_BIGENDIAN
 147   unsigned char zero                           : 7; /* 25-31 */
 148   unsigned char video_pres_mode_change         : 1; /* 24 */
 149
 150   unsigned char karaoke_audio_pres_mode_change : 1; /* 23 */
 151   unsigned char angle_change                   : 1;
 152   unsigned char subpic_stream_change           : 1;
 153   unsigned char audio_stream_change            : 1;
 154   unsigned char pause_on                       : 1;
 155   unsigned char still_off                      : 1;
 156   unsigned char button_select_or_activate      : 1;
 157   unsigned char resume                         : 1; /* 16 */
 158
 159   unsigned char chapter_menu_call              : 1; /* 15 */
 160   unsigned char angle_menu_call                : 1;
 161   unsigned char audio_menu_call                : 1;
 162   unsigned char subpic_menu_call               : 1;
 163   unsigned char root_menu_call                 : 1;
 164   unsigned char title_menu_call                : 1;
 165   unsigned char backward_scan                  : 1;
 166   unsigned char forward_scan                   : 1; /* 8 */
 167
 168   unsigned char next_pg_search                 : 1; /* 7 */
 169   unsigned char prev_or_top_pg_search          : 1;
 170   unsigned char time_or_chapter_search         : 1;
 171   unsigned char go_up                          : 1;
 172   unsigned char stop                           : 1;
 173   unsigned char title_play                     : 1;
 174   unsigned char chapter_search_or_play         : 1;
 175   unsigned char title_or_time_play             : 1; /* 0 */
 176 #else
 177   unsigned char video_pres_mode_change         : 1; /* 24 */
 178   unsigned char zero                           : 7; /* 25-31 */
 179
 180   unsigned char resume                         : 1; /* 16 */
 181   unsigned char button_select_or_activate      : 1;
 182   unsigned char still_off                      : 1;
 183   unsigned char pause_on                       : 1;
 184   unsigned char audio_stream_change            : 1;
 185   unsigned char subpic_stream_change           : 1;
 186   unsigned char angle_change                   : 1;
 187   unsigned char karaoke_audio_pres_mode_change : 1; /* 23 */
 188
 189   unsigned char forward_scan                   : 1; /* 8 */
 190   unsigned char backward_scan                  : 1;
 191   unsigned char title_menu_call                : 1;
 192   unsigned char root_menu_call                 : 1;
 193   unsigned char subpic_menu_call               : 1;
 194   unsigned char audio_menu_call                : 1;
 195   unsigned char angle_menu_call                : 1;
 196   unsigned char chapter_menu_call              : 1; /* 15 */
 197
 198   unsigned char title_or_time_play             : 1; /* 0 */
 199   unsigned char chapter_search_or_play         : 1;
 200   unsigned char title_play                     : 1;
 201   unsigned char stop                           : 1;
 202   unsigned char go_up                          : 1;
 203   unsigned char time_or_chapter_search         : 1;
 204   unsigned char prev_or_top_pg_search          : 1;
 205   unsigned char next_pg_search                 : 1; /* 7 */
 206 #endif
 207 } ATTRIBUTE_PACKED user_ops_t;
 208
 209 /**
 210  * Type to store per-command data.
 211  */
 212 typedef struct {
 213   uint8_t bytes[8];
 214 } ATTRIBUTE_PACKED vm_cmd_t;
 215 #define COMMAND_DATA_SIZE 8
 216
 217 /**
 218  * PCI General Information
 219  */
 220 typedef struct {
 221   uint32_t nv_pck_lbn;      /**< sector address of this nav pack */
 222   uint16_t vobu_cat;        /**< 'category' of vobu */
 223   uint16_t zero1;           /**< reserved */
 224   user_ops_t vobu_uop_ctl;  /**< UOP of vobu */
 225   uint32_t vobu_s_ptm;      /**< start presentation time of vobu */
 226   uint32_t vobu_e_ptm;      /**< end presentation time of vobu */
 227   uint32_t vobu_se_e_ptm;   /**< end ptm of sequence end in vobu */
 228   dvd_time_t e_eltm;        /**< Cell elapsed time */
 229   char vobu_isrc[32];
 230 } ATTRIBUTE_PACKED pci_gi_t;
 231
 232 /**
 233  * Non Seamless Angle Information
 234  */
 235 typedef struct {
 236   uint32_t nsml_agl_dsta[9];  /**< address of destination vobu in AGL_C#n */
 237 } ATTRIBUTE_PACKED nsml_agli_t;
 238
 239 /**
 240  * Highlight General Information
 241  *
 242  * For btngrX_dsp_ty the bits have the following meaning:
 243  * 000b: normal 4/3 only buttons
 244  * XX1b: wide (16/9) buttons
 245  * X1Xb: letterbox buttons
 246  * 1XXb: pan&scan buttons
 247  */
 248 typedef struct {
 249   uint16_t hli_ss; /**< status, only low 2 bits 0: no buttons, 1: different 2: equal 3: eual except for button cmds */
 250   uint32_t hli_s_ptm;              /**< start ptm of hli */
 251   uint32_t hli_e_ptm;              /**< end ptm of hli */
 252   uint32_t btn_se_e_ptm;           /**< end ptm of button select */
 253 #ifdef WORDS_BIGENDIAN
 254   unsigned char zero1 : 2;          /**< reserved */
 255   unsigned char btngr_ns : 2;       /**< number of button groups 1, 2 or 3 with 36/18/12 buttons */
 256   unsigned char zero2 : 1;          /**< reserved */
 257   unsigned char btngr1_dsp_ty : 3;  /**< display type of subpic stream for button group 1 */
 258   unsigned char zero3 : 1;          /**< reserved */
 259   unsigned char btngr2_dsp_ty : 3;  /**< display type of subpic stream for button group 2 */
 260   unsigned char zero4 : 1;          /**< reserved */
 261   unsigned char btngr3_dsp_ty : 3;  /**< display type of subpic stream for button group 3 */
 262 #else
 263   unsigned char btngr1_dsp_ty : 3;
 264   unsigned char zero2 : 1;
 265   unsigned char btngr_ns : 2;
 266   unsigned char zero1 : 2;
 267   unsigned char btngr3_dsp_ty : 3;
 268   unsigned char zero4 : 1;
 269   unsigned char btngr2_dsp_ty : 3;
 270   unsigned char zero3 : 1;
 271 #endif
 272   uint8_t btn_ofn;     /**< button offset number range 0-255 */
 273   uint8_t btn_ns;      /**< number of valid buttons  <= 36/18/12 (low 6 bits) */
 274   uint8_t nsl_btn_ns;  /**< number of buttons selectable by U_BTNNi (low 6 bits)   nsl_btn_ns <= btn_ns */
 275   uint8_t zero5;       /**< reserved */
 276   uint8_t fosl_btnn;   /**< forcedly selected button  (low 6 bits) */
 277   uint8_t foac_btnn;   /**< forcedly activated button (low 6 bits) */
 278 } ATTRIBUTE_PACKED hl_gi_t;
 279
 280
 281 /**
 282  * Button Color Information Table
 283  * Each entry beeing a 32bit word that contains the color indexs and alpha
 284  * values to use.  They are all represented by 4 bit number and stored
 285  * like this [Ci3, Ci2, Ci1, Ci0, A3, A2, A1, A0].   The actual palette
 286  * that the indexes reference is in the PGC.
 287  * @TODO split the uint32_t into a struct
 288  */
 289 typedef struct {
 290   uint32_t btn_coli[3][2];  /**< [button color number-1][select:0/action:1] */
 291 } ATTRIBUTE_PACKED btn_colit_t;
 292
 293 /**
 294  * Button Information
 295  *
 296  * NOTE: I've had to change the structure from the disk layout to get
 297  * the packing to work with Sun's Forte C compiler.
 298  * The 4 and 7 bytes are 'rotated' was: ABC DEF GHIJ  is: ABCG DEFH IJ
 299  */
 300 typedef struct {
 301 #ifdef WORDS_BIGENDIAN
 302   uint32        btn_coln         : 2;  /**< button color number */
 303   uint32        x_start          : 10; /**< x start offset within the overlay */
 304   uint32        zero1            : 2;  /**< reserved */
 305   uint32        x_end            : 10; /**< x end offset within the overlay */
 306
 307   uint32        zero3            : 2;  /**< reserved */
 308   uint32        up               : 6;  /**< button index when pressing up */
 309
 310   uint32        auto_action_mode : 2;  /**< 0: no, 1: activated if selected */
 311   uint32        y_start          : 10; /**< y start offset within the overlay */
 312   uint32        zero2            : 2;  /**< reserved */
 313   uint32        y_end            : 10; /**< y end offset within the overlay */
 314
 315   uint32        zero4            : 2;  /**< reserved */
 316   uint32        down             : 6;  /**< button index when pressing down */
 317   unsigned char zero5            : 2;  /**< reserved */
 318   unsigned char left             : 6;  /**< button index when pressing left */
 319   unsigned char zero6            : 2;  /**< reserved */
 320   unsigned char right            : 6;  /**< button index when pressing right */
 321 #else
 322   uint32        x_end            : 10;
 323   uint32        zero1            : 2;
 324   uint32        x_start          : 10;
 325   uint32        btn_coln         : 2;
 326
 327   uint32        up               : 6;
 328   uint32        zero3            : 2;
 329
 330   uint32        y_end            : 10;
 331   uint32        zero2            : 2;
 332   uint32        y_start          : 10;
 333   uint32        auto_action_mode : 2;
 334
 335   uint32        down             : 6;
 336   uint32        zero4            : 2;
 337   unsigned char left             : 6;
 338   unsigned char zero5            : 2;
 339   unsigned char right            : 6;
 340   unsigned char zero6            : 2;
 341 #endif
 342   vm_cmd_t cmd;
 343 } ATTRIBUTE_PACKED btni_t;
 344
 345 /**
 346  * Highlight Information
 347  */
 348 typedef struct {
 349   hl_gi_t     hl_gi;
 350   btn_colit_t btn_colit;
 351   btni_t      btnit[36];
 352 } ATTRIBUTE_PACKED hli_t;
 353
 354 /**
 355  * PCI packet
 356  */
 357 typedef struct {
 358   pci_gi_t    pci_gi;
 359   nsml_agli_t nsml_agli;
 360   hli_t       hli;
 361   uint8_t     zero1[189];
 362 } ATTRIBUTE_PACKED pci_t;
 363
 364
 365 #if PRAGMA_PACK
 366 #pragma pack()
 367 #endif
 368 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 369
 370
 371 /**
 372  * What's between a directory and a filename?
 373  */
 374 #if defined( WIN32 )
 375     #define DIRECTORY_SEPARATOR '\\'
 376 #else
 377     #define DIRECTORY_SEPARATOR '/'
 378 #endif
 379
 380 using namespace LIBMATROSKA_NAMESPACE;
 381 using namespace std;
 382
 383 /*****************************************************************************
 384  * Module descriptor
 385  *****************************************************************************/
 386 static int  Open ( vlc_object_t * );
 387 static void Close( vlc_object_t * );
 388
 389 vlc_module_begin();
 390     set_shortname( "Matroska" );
 391     set_description( _("Matroska stream demuxer" ) );
 392     set_capability( "demux2", 50 );
 393     set_callbacks( Open, Close );
 394     set_category( CAT_INPUT );
 395     set_subcategory( SUBCAT_INPUT_DEMUX );
 396
 397     add_bool( "mkv-use-ordered-chapters", 1, NULL,
 398             N_("Ordered chapters"),
 399             N_("Play ordered chapters as specified in the segment."), VLC_TRUE );
 400
 401     add_bool( "mkv-use-chapter-codec", 1, NULL,
 402             N_("Chapter codecs"),
 403             N_("Use chapter codecs found in the segment."), VLC_TRUE );
 404
 405     add_bool( "mkv-seek-percent", 0, NULL,
 406             N_("Seek based on percent not time"),
 407             N_("Seek based on percent not time."), VLC_TRUE );
 408
 409     add_bool( "mkv-use-dummy", 0, NULL,
 410             N_("Dummy Elements"),
 411             N_("Read and discard unknown EBML elements (not good for broken files)."), VLC_TRUE );
 412
 413     add_shortcut( "mka" );
 414     add_shortcut( "mkv" );
 415 vlc_module_end();
 416
 417 /*****************************************************************************
 418  * Local prototypes
 419  *****************************************************************************/
 420 #ifdef HAVE_ZLIB_H
 421 block_t *block_zlib_decompress( vlc_object_t *p_this, block_t *p_in_block ) {
 422     int result, dstsize, n;
 423     unsigned char *dst;
 424     block_t *p_block;
 425     z_stream d_stream;
 426
 427     d_stream.zalloc = (alloc_func)0;
 428     d_stream.zfree = (free_func)0;
 429     d_stream.opaque = (voidpf)0;
 430     result = inflateInit(&d_stream);
 431     if( result != Z_OK )
 432     {
 433         msg_Dbg( p_this, "inflateInit() failed. Result: %d", result );
 434         return NULL;
 435     }
 436
 437     d_stream.next_in = (Bytef *)p_in_block->p_buffer;
 438     d_stream.avail_in = p_in_block->i_buffer;
 439     n = 0;
 440     p_block = block_New( p_this, 0 );
 441     dst = NULL;
 442     do
 443     {
 444         n++;
 445         p_block = block_Realloc( p_block, 0, n * 1000 );
 446         dst = (unsigned char *)p_block->p_buffer;
 447         d_stream.next_out = (Bytef *)&dst[(n - 1) * 1000];
 448         d_stream.avail_out = 1000;
 449         result = inflate(&d_stream, Z_NO_FLUSH);
 450         if( ( result != Z_OK ) && ( result != Z_STREAM_END ) )
 451         {
 452             msg_Dbg( p_this, "Zlib decompression failed. Result: %d", result );
 453             return NULL;
 454         }
 455     }
 456     while( ( d_stream.avail_out == 0 ) && ( d_stream.avail_in != 0 ) &&
 457            ( result != Z_STREAM_END ) );
 458
 459     dstsize = d_stream.total_out;
 460     inflateEnd( &d_stream );
 461
 462     p_block = block_Realloc( p_block, 0, dstsize );
 463     p_block->i_buffer = dstsize;
 464     block_Release( p_in_block );
 465
 466     return p_block;
 467 }
 468 #endif
 469
 470 /**
 471  * Helper function to print the mkv parse tree
 472  */
 473 static void MkvTree( demux_t & demuxer, int i_level, char *psz_format, ... )
 474 {
 475     va_list args;
 476     if( i_level > 9 )
 477     {
 478         msg_Err( &demuxer, "too deep tree" );
 479         return;
 480     }
 481     va_start( args, psz_format );
 482     static char *psz_foo = "|   |   |   |   |   |   |   |   |   |";
 483     char *psz_foo2 = (char*)malloc( ( i_level * 4 + 3 + strlen( psz_format ) ) * sizeof(char) );
 484     strncpy( psz_foo2, psz_foo, 4 * i_level );
 485     psz_foo2[ 4 * i_level ] = '+';
 486     psz_foo2[ 4 * i_level + 1 ] = ' ';
 487     strcpy( &psz_foo2[ 4 * i_level + 2 ], psz_format );
 488     __msg_GenericVa( VLC_OBJECT(&demuxer), VLC_MSG_DBG, "mkv", psz_foo2, args );
 489     free( psz_foo2 );
 490     va_end( args );
 491 }
 492
 493 /*****************************************************************************
 494  * Stream managment
 495  *****************************************************************************/
 496 class vlc_stream_io_callback: public IOCallback
 497 {
 498   private:
 499     stream_t       *s;
 500     vlc_bool_t     mb_eof;
 501     vlc_bool_t     b_owner;
 502
 503   public:
 504     vlc_stream_io_callback( stream_t *, vlc_bool_t );
 505
 506     virtual ~vlc_stream_io_callback()
 507     {
 508         if( b_owner )
 509             stream_Delete( s );
 510     }
 511
 512     virtual uint32   read            ( void *p_buffer, size_t i_size);
 513     virtual void     setFilePointer  ( int64_t i_offset, seek_mode mode = seek_beginning );
 514     virtual size_t   write           ( const void *p_buffer, size_t i_size);
 515     virtual uint64   getFilePointer  ( void );
 516     virtual void     close           ( void );
 517 };
 518
 519 /*****************************************************************************
 520  * Ebml Stream parser
 521  *****************************************************************************/
 522 class EbmlParser
 523 {
 524   public:
 525     EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux );
 526     virtual ~EbmlParser( void );
 527
 528     void Up( void );
 529     void Down( void );
 530     void Reset( demux_t *p_demux );
 531     EbmlElement *Get( void );
 532     void        Keep( void );
 533     EbmlElement *UnGet( uint64 i_block_pos, uint64 i_cluster_pos );
 534
 535     int GetLevel( void );
 536
 537   private:
 538     EbmlStream  *m_es;
 539     int         mi_level;
 540     EbmlElement *m_el[10];
 541     int64_t      mi_remain_size[10];
 542
 543     EbmlElement *m_got;
 544
 545     int         mi_user_level;
 546     vlc_bool_t  mb_keep;
 547     vlc_bool_t  mb_dummy;
 548 };
 549
 550
 551 /*****************************************************************************
 552  * Some functions to manipulate memory
 553  *****************************************************************************/
 554 #define GetFOURCC( p )  __GetFOURCC( (uint8_t*)p )
 555 static vlc_fourcc_t __GetFOURCC( uint8_t *p )
 556 {
 557     return VLC_FOURCC( p[0], p[1], p[2], p[3] );
 558 }
 559
 560 /*****************************************************************************
 561  * definitions of structures and functions used by this plugins
 562  *****************************************************************************/
 563 typedef struct
 564 {
 565     vlc_bool_t   b_default;
 566     vlc_bool_t   b_enabled;
 567     unsigned int i_number;
 568
 569     int          i_extra_data;
 570     uint8_t      *p_extra_data;
 571
 572     char         *psz_codec;
 573
 574     uint64_t     i_default_duration;
 575     float        f_timecodescale;
 576
 577     /* video */
 578     es_format_t fmt;
 579     float       f_fps;
 580     es_out_id_t *p_es;
 581
 582     vlc_bool_t      b_inited;
 583     /* data to be send first */
 584     int             i_data_init;
 585     uint8_t         *p_data_init;
 586
 587     /* hack : it's for seek */
 588     vlc_bool_t      b_search_keyframe;
 589     vlc_bool_t      b_silent;
 590
 591     /* informative */
 592     char         *psz_codec_name;
 593     char         *psz_codec_settings;
 594     char         *psz_codec_info_url;
 595     char         *psz_codec_download_url;
 596
 597     /* encryption/compression */
 598     int           i_compression_type;
 599
 600 } mkv_track_t;
 601
 602 typedef struct
 603 {
 604     int     i_track;
 605     int     i_block_number;
 606
 607     int64_t i_position;
 608     int64_t i_time;
 609
 610     vlc_bool_t b_key;
 611 } mkv_index_t;
 612
 613 class demux_sys_t;
 614
 615 const binary MATROSKA_DVD_LEVEL_SS   = 0x30;
 616 const binary MATROSKA_DVD_LEVEL_LU   = 0x2A;
 617 const binary MATROSKA_DVD_LEVEL_TT   = 0x28;
 618 const binary MATROSKA_DVD_LEVEL_PGC  = 0x20;
 619 const binary MATROSKA_DVD_LEVEL_PG   = 0x18;
 620 const binary MATROSKA_DVD_LEVEL_PTT  = 0x10;
 621 const binary MATROSKA_DVD_LEVEL_CN   = 0x08;
 622
 623 class chapter_codec_cmds_c
 624 {
 625 public:
 626     chapter_codec_cmds_c( demux_sys_t & demuxer, int codec_id = -1)
 627     :p_private_data(NULL)
 628     ,i_codec_id( codec_id )
 629     ,sys( demuxer )
 630     {}
 631
 632     virtual ~chapter_codec_cmds_c()
 633     {
 634         delete p_private_data;
 635         std::vector<KaxChapterProcessData*>::iterator indexe = enter_cmds.begin();
 636         while ( indexe != enter_cmds.end() )
 637         {
 638             delete (*indexe);
 639             indexe++;
 640         }
 641         std::vector<KaxChapterProcessData*>::iterator indexl = leave_cmds.begin();
 642         while ( indexl != leave_cmds.end() )
 643         {
 644             delete (*indexl);
 645             indexl++;
 646         }
 647         std::vector<KaxChapterProcessData*>::iterator indexd = during_cmds.begin();
 648         while ( indexd != during_cmds.end() )
 649         {
 650             delete (*indexd);
 651             indexd++;
 652         }
 653     }
 654
 655     void SetPrivate( const KaxChapterProcessPrivate & private_data )
 656     {
 657         p_private_data = new KaxChapterProcessPrivate( private_data );
 658     }
 659
 660     void AddCommand( const KaxChapterProcessCommand & command );
 661
 662     /// \return wether the codec has seeked in the files or not
 663     virtual bool Enter() { return false; }
 664     virtual bool Leave() { return false; }
 665     virtual std::string GetCodecName( bool f_for_title = false ) const { return ""; }
 666     virtual int16 GetTitleNumber() { return -1; }
 667
 668     KaxChapterProcessPrivate *p_private_data;
 669
 670 protected:
 671     std::vector<KaxChapterProcessData*> enter_cmds;
 672     std::vector<KaxChapterProcessData*> during_cmds;
 673     std::vector<KaxChapterProcessData*> leave_cmds;
 674
 675     int i_codec_id;
 676     demux_sys_t & sys;
 677 };
 678
 679 class dvd_command_interpretor_c
 680 {
 681 public:
 682     dvd_command_interpretor_c( demux_sys_t & demuxer )
 683     :sys( demuxer )
 684     {
 685         memset( p_PRMs, 0, sizeof(p_PRMs) );
 686         p_PRMs[ 0x80 + 1 ] = 15;
 687         p_PRMs[ 0x80 + 2 ] = 62;
 688         p_PRMs[ 0x80 + 3 ] = 1;
 689         p_PRMs[ 0x80 + 4 ] = 1;
 690         p_PRMs[ 0x80 + 7 ] = 1;
 691         p_PRMs[ 0x80 + 8 ] = 1;
 692         p_PRMs[ 0x80 + 16 ] = 0xFFFFu;
 693         p_PRMs[ 0x80 + 18 ] = 0xFFFFu;
 694     }
 695
 696     bool Interpret( const binary * p_command, size_t i_size = 8 );
 697
 698     uint16 GetPRM( size_t index ) const
 699     {
 700         if ( index < 256 )
 701             return p_PRMs[ index ];
 702         else return 0;
 703     }
 704
 705     uint16 GetGPRM( size_t index ) const
 706     {
 707         if ( index >= 0 && index < 16 )
 708             return p_PRMs[ index ];
 709         else return 0;
 710     }
 711
 712     uint16 GetSPRM( size_t index ) const
 713     {
 714         // 21,22,23 reserved for future use
 715         if ( index >= 0x80 && index < 0x95 )
 716             return p_PRMs[ index ];
 717         else return 0;
 718     }
 719
 720     bool SetPRM( size_t index, uint16 value )
 721     {
 722         if ( index >= 0 && index < 16 )
 723         {
 724             p_PRMs[ index ] = value;
 725             return true;
 726         }
 727         return false;
 728     }
 729
 730     bool SetGPRM( size_t index, uint16 value )
 731     {
 732         if ( index >= 0 && index < 16 )
 733         {
 734             p_PRMs[ index ] = value;
 735             return true;
 736         }
 737         return false;
 738     }
 739
 740     bool SetSPRM( size_t index, uint16 value )
 741     {
 742         if ( index > 0x80 && index <= 0x8D && index != 0x8C )
 743         {
 744             p_PRMs[ index ] = value;
 745             return true;
 746         }
 747         return false;
 748     }
 749
 750 protected:
 751     std::string GetRegTypeName( bool b_value, uint16 value ) const
 752     {
 753         std::string result;
 754         char s_value[6], s_reg_value[6];
 755         sprintf( s_value, "%.5d", value );
 756
 757         if ( b_value )
 758         {
 759             result = "value (";
 760             result += s_value;
 761             result += ")";
 762         }
 763         else if ( value < 0x80 )
 764         {
 765             sprintf( s_reg_value, "%.5d", GetPRM( value ) );
 766             result = "GPreg[";
 767             result += s_value;
 768             result += "] (";
 769             result += s_reg_value;
 770             result += ")";
 771         }
 772         else
 773         {
 774             sprintf( s_reg_value, "%.5d", GetPRM( value ) );
 775             result = "SPreg[";
 776             result += s_value;
 777             result += "] (";
 778             result += s_reg_value;
 779             result += ")";
 780         }
 781         return result;
 782     }
 783
 784     uint16       p_PRMs[256];
 785     demux_sys_t  & sys;
 786
 787     // DVD command IDs
 788
 789     // Tests
 790     // wether it's a comparison on the value or register
 791     static const uint16 CMD_DVD_TEST_VALUE          = 0x80;
 792     static const uint16 CMD_DVD_IF_GPREG_AND        = (1 << 4);
 793     static const uint16 CMD_DVD_IF_GPREG_EQUAL      = (2 << 4);
 794     static const uint16 CMD_DVD_IF_GPREG_NOT_EQUAL  = (3 << 4);
 795     static const uint16 CMD_DVD_IF_GPREG_SUP_EQUAL  = (4 << 4);
 796     static const uint16 CMD_DVD_IF_GPREG_SUP        = (5 << 4);
 797     static const uint16 CMD_DVD_IF_GPREG_INF_EQUAL  = (6 << 4);
 798     static const uint16 CMD_DVD_IF_GPREG_INF        = (7 << 4);
 799
 800     static const uint16 CMD_DVD_NOP                    = 0x0000;
 801     static const uint16 CMD_DVD_GOTO_LINE              = 0x0001;
 802     static const uint16 CMD_DVD_BREAK                  = 0x0002;
 803     // Links
 804     static const uint16 CMD_DVD_NOP2                   = 0x2001;
 805     static const uint16 CMD_DVD_LINKPGCN               = 0x2004;
 806     static const uint16 CMD_DVD_LINKPGN                = 0x2006;
 807     static const uint16 CMD_DVD_LINKCN                 = 0x2007;
 808     static const uint16 CMD_DVD_JUMP_TT                = 0x3002;
 809     static const uint16 CMD_DVD_JUMPVTS_TT             = 0x3003;
 810     static const uint16 CMD_DVD_JUMPVTS_PTT            = 0x3005;
 811     static const uint16 CMD_DVD_JUMP_SS                = 0x3006;
 812     static const uint16 CMD_DVD_CALLSS_VTSM1           = 0x3008;
 813     //
 814     static const uint16 CMD_DVD_SET_HL_BTNN2           = 0x4600;
 815     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN1  = 0x4604;
 816     static const uint16 CMD_DVD_SET_STREAM             = 0x5100;
 817     static const uint16 CMD_DVD_SET_GPRMMD             = 0x5300;
 818     static const uint16 CMD_DVD_SET_HL_BTNN1           = 0x5600;
 819     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN2  = 0x5604;
 820     static const uint16 CMD_DVD_SET_HL_BTNN_LINKCN     = 0x5607;
 821     // Operations
 822     static const uint16 CMD_DVD_MOV_SPREG_PREG         = 0x6100;
 823     static const uint16 CMD_DVD_GPREG_MOV_VALUE        = 0x7100;
 824     static const uint16 CMD_DVD_SUB_GPREG              = 0x7400;
 825     static const uint16 CMD_DVD_MULT_GPREG             = 0x7500;
 826     static const uint16 CMD_DVD_GPREG_DIV_VALUE        = 0x7600;
 827     static const uint16 CMD_DVD_GPREG_AND_VALUE        = 0x7900;
 828
 829     // callbacks when browsing inside CodecPrivate
 830     static bool MatchIsDomain     ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 831     static bool MatchIsVMG        ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 832     static bool MatchVTSNumber    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 833     static bool MatchVTSMNumber   ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 834     static bool MatchTitleNumber  ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 835     static bool MatchPgcType      ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 836     static bool MatchPgcNumber    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 837     static bool MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 838     static bool MatchCellNumber   ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 839 };
 840
 841 class dvd_chapter_codec_c : public chapter_codec_cmds_c
 842 {
 843 public:
 844     dvd_chapter_codec_c( demux_sys_t & sys )
 845     :chapter_codec_cmds_c( sys, 1 )
 846     {}
 847
 848     bool Enter();
 849     bool Leave();
 850     std::string GetCodecName( bool f_for_title = false ) const;
 851     int16 GetTitleNumber();
 852 };
 853
 854 class matroska_script_interpretor_c
 855 {
 856 public:
 857     matroska_script_interpretor_c( demux_sys_t & demuxer )
 858     :sys( demuxer )
 859     {}
 860
 861     bool Interpret( const binary * p_command, size_t i_size );
 862
 863     // DVD command IDs
 864     static const std::string CMD_MS_GOTO_AND_PLAY;
 865
 866 protected:
 867     demux_sys_t  & sys;
 868 };
 869
 870 const std::string matroska_script_interpretor_c::CMD_MS_GOTO_AND_PLAY = "GotoAndPlay";
 871
 872
 873 class matroska_script_codec_c : public chapter_codec_cmds_c
 874 {
 875 public:
 876     matroska_script_codec_c( demux_sys_t & sys )
 877     :chapter_codec_cmds_c( sys, 0 )
 878     ,interpretor( sys )
 879     {}
 880
 881     bool Enter();
 882     bool Leave();
 883
 884 protected:
 885     matroska_script_interpretor_c interpretor;
 886 };
 887
 888 class chapter_translation_c
 889 {
 890 public:
 891     chapter_translation_c()
 892         :p_translated(NULL)
 893     {}
 894
 895     ~chapter_translation_c()
 896     {
 897         delete p_translated;
 898     }
 899
 900     KaxChapterTranslateID  *p_translated;
 901     unsigned int           codec_id;
 902     std::vector<uint64_t>  editions;
 903 };
 904
 905 class chapter_item_c
 906 {
 907 public:
 908     chapter_item_c()
 909     :i_start_time(0)
 910     ,i_end_time(-1)
 911     ,i_user_start_time(-1)
 912     ,i_user_end_time(-1)
 913     ,i_seekpoint_num(-1)
 914     ,b_display_seekpoint(true)
 915     ,b_user_display(false)
 916     ,psz_parent(NULL)
 917     ,b_is_leaving(false)
 918     {}
 919
 920     virtual ~chapter_item_c()
 921     {
 922         std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
 923         while ( index != codecs.end() )
 924         {
 925             delete (*index);
 926             index++;
 927         }
 928         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
 929         while ( index_ != sub_chapters.end() )
 930         {
 931             delete (*index_);
 932             index_++;
 933         }
 934     }
 935
 936     int64_t RefreshChapters( bool b_ordered, int64_t i_prev_user_time );
 937     int PublishChapters( input_title_t & title, int & i_user_chapters, int i_level = 0 );
 938     virtual chapter_item_c * FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current, bool & b_found );
 939     void Append( const chapter_item_c & edition );
 940     chapter_item_c * FindChapter( int64_t i_find_uid );
 941     virtual chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
 942                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
 943                                     const void *p_cookie,
 944                                     size_t i_cookie_size );
 945     std::string                 GetCodecName( bool f_for_title = false ) const;
 946     bool                        ParentOf( const chapter_item_c & item ) const;
 947     int16                       GetTitleNumber( ) const;
 948
 949     int64_t                     i_start_time, i_end_time;
 950     int64_t                     i_user_start_time, i_user_end_time; /* the time in the stream when an edition is ordered */
 951     std::vector<chapter_item_c*> sub_chapters;
 952     int                         i_seekpoint_num;
 953     int64_t                     i_uid;
 954     bool                        b_display_seekpoint;
 955     bool                        b_user_display;
 956     std::string                 psz_name;
 957     chapter_item_c              *psz_parent;
 958     bool                        b_is_leaving;
 959
 960     std::vector<chapter_codec_cmds_c*> codecs;
 961
 962     static bool CompareTimecode( const chapter_item_c * itemA, const chapter_item_c * itemB )
 963     {
 964         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) );
 965     }
 966
 967     bool Enter( bool b_do_subchapters );
 968     bool Leave( bool b_do_subchapters );
 969     bool EnterAndLeave( chapter_item_c *p_item, bool b_enter = true );
 970 };
 971
 972 class chapter_edition_c : public chapter_item_c
 973 {
 974 public:
 975     chapter_edition_c()
 976     :b_ordered(false)
 977     {}
 978
 979     void RefreshChapters( );
 980     mtime_t Duration() const;
 981     std::string GetMainName() const;
 982     chapter_item_c * FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current );
 983
 984     bool                        b_ordered;
 985 };
 986
 987 class matroska_segment_c
 988 {
 989 public:
 990     matroska_segment_c( demux_sys_t & demuxer, EbmlStream & estream )
 991         :segment(NULL)
 992         ,es(estream)
 993         ,i_timescale(MKVD_TIMECODESCALE)
 994         ,i_duration(-1)
 995         ,i_start_time(0)
 996         ,i_cues_position(-1)
 997         ,i_chapters_position(-1)
 998         ,i_tags_position(-1)
 999         ,cluster(NULL)
1000         ,i_block_pos(0)
1001         ,i_cluster_pos(0)
1002         ,i_start_pos(0)
1003         ,p_segment_uid(NULL)
1004         ,p_prev_segment_uid(NULL)
1005         ,p_next_segment_uid(NULL)
1006         ,b_cues(VLC_FALSE)
1007         ,i_index(0)
1008         ,i_index_max(1024)
1009         ,psz_muxing_application(NULL)
1010         ,psz_writing_application(NULL)
1011         ,psz_segment_filename(NULL)
1012         ,psz_title(NULL)
1013         ,psz_date_utc(NULL)
1014         ,i_default_edition(0)
1015         ,sys(demuxer)
1016         ,ep(NULL)
1017         ,b_preloaded(false)
1018     {
1019         p_indexes = (mkv_index_t*)malloc( sizeof( mkv_index_t ) * i_index_max );
1020     }
1021
1022     virtual ~matroska_segment_c()
1023     {
1024         for( size_t i_track = 0; i_track < tracks.size(); i_track++ )
1025         {
1026             if( tracks[i_track]->fmt.psz_description )
1027             {
1028                 free( tracks[i_track]->fmt.psz_description );
1029             }
1030             if( tracks[i_track]->psz_codec )
1031             {
1032                 free( tracks[i_track]->psz_codec );
1033             }
1034             if( tracks[i_track]->fmt.psz_language )
1035             {
1036                 free( tracks[i_track]->fmt.psz_language );
1037             }
1038             delete tracks[i_track];
1039         }
1040
1041         if( psz_writing_application )
1042         {
1043             free( psz_writing_application );
1044         }
1045         if( psz_muxing_application )
1046         {
1047             free( psz_muxing_application );
1048         }
1049         if( psz_segment_filename )
1050         {
1051             free( psz_segment_filename );
1052         }
1053         if( psz_title )
1054         {
1055             free( psz_title );
1056         }
1057         if( psz_date_utc )
1058         {
1059             free( psz_date_utc );
1060         }
1061         if ( p_indexes )
1062             free( p_indexes );
1063
1064         delete ep;
1065         delete segment;
1066         delete p_segment_uid;
1067         delete p_prev_segment_uid;
1068         delete p_next_segment_uid;
1069
1070         std::vector<chapter_edition_c*>::iterator index = stored_editions.begin();
1071         while ( index != stored_editions.end() )
1072         {
1073             delete (*index);
1074             index++;
1075         }
1076         std::vector<chapter_translation_c*>::iterator indext = translations.begin();
1077         while ( indext != translations.end() )
1078         {
1079             delete (*indext);
1080             indext++;
1081         }
1082         std::vector<KaxSegmentFamily*>::iterator indexf = families.begin();
1083         while ( indexf != families.end() )
1084         {
1085             delete (*indexf);
1086             indexf++;
1087         }
1088     }
1089
1090     KaxSegment              *segment;
1091     EbmlStream              & es;
1092
1093     /* time scale */
1094     uint64_t                i_timescale;
1095
1096     /* duration of the segment */
1097     mtime_t                 i_duration;
1098     mtime_t                 i_start_time;
1099
1100     /* all tracks */
1101     std::vector<mkv_track_t*> tracks;
1102
1103     /* from seekhead */
1104     int64_t                 i_cues_position;
1105     int64_t                 i_chapters_position;
1106     int64_t                 i_tags_position;
1107
1108     KaxCluster              *cluster;
1109     uint64                  i_block_pos;
1110     uint64                  i_cluster_pos;
1111     int64_t                 i_start_pos;
1112     KaxSegmentUID           *p_segment_uid;
1113     KaxPrevUID              *p_prev_segment_uid;
1114     KaxNextUID              *p_next_segment_uid;
1115
1116     vlc_bool_t              b_cues;
1117     int                     i_index;
1118     int                     i_index_max;
1119     mkv_index_t             *p_indexes;
1120
1121     /* info */
1122     char                    *psz_muxing_application;
1123     char                    *psz_writing_application;
1124     char                    *psz_segment_filename;
1125     char                    *psz_title;
1126     char                    *psz_date_utc;
1127
1128     /* !!!!! GCC 3.3 bug on Darwin !!!!! */
1129     /* when you remove this variable the compiler issues an atomicity error */
1130     /* this variable only works when using std::vector<chapter_edition_c> */
1131     std::vector<chapter_edition_c*> stored_editions;
1132     int                             i_default_edition;
1133
1134     std::vector<chapter_translation_c*> translations;
1135     std::vector<KaxSegmentFamily*>  families;
1136
1137     demux_sys_t                    & sys;
1138     EbmlParser                     *ep;
1139     bool                           b_preloaded;
1140
1141     bool Preload( );
1142     bool PreloadFamily( const matroska_segment_c & segment );
1143     void ParseInfo( KaxInfo *info );
1144     void ParseChapters( KaxChapters *chapters );
1145     void ParseSeekHead( KaxSeekHead *seekhead );
1146     void ParseTracks( KaxTracks *tracks );
1147     void ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters );
1148     void ParseTrackEntry( KaxTrackEntry *m );
1149     void ParseCluster( );
1150     void IndexAppendCluster( KaxCluster *cluster );
1151     void LoadCues( );
1152     void LoadTags( );
1153     void InformationCreate( );
1154     void Seek( mtime_t i_date, mtime_t i_time_offset );
1155     int BlockGet( KaxBlock * & pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration );
1156     bool Select( mtime_t i_start_time );
1157     void UnSelect( );
1158
1159     static bool CompareSegmentUIDs( const matroska_segment_c * item_a, const matroska_segment_c * item_b );
1160 };
1161
1162 // class holding hard-linked segment together in the playback order
1163 class virtual_segment_c
1164 {
1165 public:
1166     virtual_segment_c( matroska_segment_c *p_segment )
1167         :p_editions(NULL)
1168         ,i_sys_title(0)
1169         ,i_current_segment(0)
1170         ,i_current_edition(-1)
1171         ,psz_current_chapter(NULL)
1172     {
1173         linked_segments.push_back( p_segment );
1174
1175         AppendUID( p_segment->p_segment_uid );
1176         AppendUID( p_segment->p_prev_segment_uid );
1177         AppendUID( p_segment->p_next_segment_uid );
1178     }
1179
1180     void Sort();
1181     size_t AddSegment( matroska_segment_c *p_segment );
1182     void PreloadLinked( );
1183     mtime_t Duration( ) const;
1184     void LoadCues( );
1185     void Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter );
1186
1187     inline chapter_edition_c *Edition()
1188     {
1189         if ( i_current_edition >= 0 && size_t(i_current_edition) < p_editions->size() )
1190             return (*p_editions)[i_current_edition];
1191         return NULL;
1192     }
1193
1194     matroska_segment_c * Segment() const
1195     {
1196         if ( linked_segments.size() == 0 || i_current_segment >= linked_segments.size() )
1197             return NULL;
1198         return linked_segments[i_current_segment];
1199     }
1200
1201     inline chapter_item_c *CurrentChapter() {
1202         return psz_current_chapter;
1203     }
1204
1205     bool SelectNext()
1206     {
1207         if ( i_current_segment < linked_segments.size()-1 )
1208         {
1209             i_current_segment++;
1210             return true;
1211         }
1212         return false;
1213     }
1214
1215     bool FindUID( KaxSegmentUID & uid ) const
1216     {
1217         for ( size_t i=0; i<linked_uids.size(); i++ )
1218         {
1219             if ( linked_uids[i] == uid )
1220                 return true;
1221         }
1222         return false;
1223     }
1224
1225     bool UpdateCurrentToChapter( demux_t & demux );
1226     void PrepareChapters( );
1227
1228     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
1229                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
1230                                         const void *p_cookie,
1231                                         size_t i_cookie_size );
1232     chapter_item_c *FindChapter( int64_t i_find_uid );
1233
1234     std::vector<chapter_edition_c*>  *p_editions;
1235     int                              i_sys_title;
1236
1237 protected:
1238     std::vector<matroska_segment_c*> linked_segments;
1239     std::vector<KaxSegmentUID>       linked_uids;
1240     size_t                           i_current_segment;
1241
1242     int                              i_current_edition;
1243     chapter_item_c                   *psz_current_chapter;
1244
1245     void                             AppendUID( const EbmlBinary * UID );
1246 };
1247
1248 class matroska_stream_c
1249 {
1250 public:
1251     matroska_stream_c( demux_sys_t & demuxer )
1252         :p_in(NULL)
1253         ,p_es(NULL)
1254         ,sys(demuxer)
1255     {}
1256
1257     virtual ~matroska_stream_c()
1258     {
1259         delete p_in;
1260         delete p_es;
1261     }
1262
1263     IOCallback         *p_in;
1264     EbmlStream         *p_es;
1265
1266     std::vector<matroska_segment_c*> segments;
1267
1268     demux_sys_t                      & sys;
1269 };
1270
1271 typedef struct
1272 {
1273     VLC_COMMON_MEMBERS
1274
1275     demux_t        *p_demux;
1276     vlc_mutex_t     lock;
1277
1278     vlc_bool_t      b_moved;
1279     vlc_bool_t      b_clicked;
1280     vlc_bool_t      b_key;
1281
1282 } event_thread_t;
1283
1284 class demux_sys_t
1285 {
1286 public:
1287     demux_sys_t( demux_t & demux )
1288         :demuxer(demux)
1289         ,i_pts(0)
1290         ,i_last_dts(0)
1291         ,i_start_pts(0)
1292         ,i_chapter_time(0)
1293         ,meta(NULL)
1294         ,i_current_title(0)
1295         ,p_current_segment(NULL)
1296         ,dvd_interpretor( *this )
1297         ,f_duration(-1.0)
1298         ,b_ui_hooked(false)
1299         ,p_input(NULL)
1300         ,b_pci_packet_set(false)
1301         ,p_ev(NULL)
1302     {
1303         vlc_mutex_init( &demuxer, &lock_demuxer );
1304     }
1305
1306     virtual ~demux_sys_t()
1307     {
1308         StopUiThread();
1309         size_t i;
1310         for ( i=0; i<streams.size(); i++ )
1311             delete streams[i];
1312         for ( i=0; i<opened_segments.size(); i++ )
1313             delete opened_segments[i];
1314         for ( i=0; i<used_segments.size(); i++ )
1315             delete used_segments[i];
1316         vlc_mutex_destroy( &lock_demuxer );
1317     }
1318
1319     /* current data */
1320     demux_t                 & demuxer;
1321
1322     mtime_t                 i_pts;
1323     mtime_t                 i_last_dts;
1324     mtime_t                 i_start_pts;
1325     mtime_t                 i_chapter_time;
1326
1327     vlc_meta_t              *meta;
1328
1329     std::vector<input_title_t*>      titles; // matroska editions
1330     size_t                           i_current_title;
1331
1332     std::vector<matroska_stream_c*>  streams;
1333     std::vector<matroska_segment_c*> opened_segments;
1334     std::vector<virtual_segment_c*>  used_segments;
1335     virtual_segment_c                *p_current_segment;
1336
1337     dvd_command_interpretor_c        dvd_interpretor;
1338
1339     /* duration of the stream */
1340     float                   f_duration;
1341
1342     matroska_segment_c *FindSegment( const EbmlBinary & uid ) const;
1343     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
1344                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
1345                                         const void *p_cookie,
1346                                         size_t i_cookie_size,
1347                                         virtual_segment_c * & p_segment_found );
1348     chapter_item_c *FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found );
1349
1350     void PreloadFamily( const matroska_segment_c & of_segment );
1351     void PreloadLinked( matroska_segment_c *p_segment );
1352     bool PreparePlayback( virtual_segment_c *p_new_segment );
1353     matroska_stream_c *AnalyseAllSegmentsFound( EbmlStream *p_estream, bool b_initial = false );
1354     void JumpTo( virtual_segment_c & p_segment, chapter_item_c * p_chapter );
1355
1356     void StartUiThread();
1357     void StopUiThread();
1358     bool b_ui_hooked;
1359     inline void SwapButtons();
1360
1361     /* for spu variables */
1362     input_thread_t *p_input;
1363     pci_t          pci_packet;
1364     bool           b_pci_packet_set;
1365     uint8_t        palette[4][4];
1366     vlc_mutex_t    lock_demuxer;
1367
1368     /* event */
1369     event_thread_t *p_ev;
1370     static int EventThread( vlc_object_t *p_this );
1371     static int EventMouse( vlc_object_t *p_this, char const *psz_var,
1372                        vlc_value_t oldval, vlc_value_t newval, void *p_data );
1373     static int EventKey( vlc_object_t *p_this, char const *psz_var,
1374                      vlc_value_t oldval, vlc_value_t newval, void *p_data );
1375
1376
1377
1378 protected:
1379     virtual_segment_c *VirtualFromSegments( matroska_segment_c *p_segment ) const;
1380     bool IsUsedSegment( matroska_segment_c &p_segment ) const;
1381 };
1382
1383 static int  Demux  ( demux_t * );
1384 static int  Control( demux_t *, int, va_list );
1385 static void Seek   ( demux_t *, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter );
1386
1387 #define MKV_IS_ID( el, C ) ( EbmlId( (*el) ) == C::ClassInfos.GlobalId )
1388
1389 static inline char * ToUTF8( const UTFstring &u )
1390 {
1391     return strdup( u.GetUTF8().c_str() );
1392 }
1393
1394 /*****************************************************************************
1395  * Open: initializes matroska demux structures
1396  *****************************************************************************/
1397 static int Open( vlc_object_t * p_this )
1398 {
1399     demux_t            *p_demux = (demux_t*)p_this;
1400     demux_sys_t        *p_sys;
1401     matroska_stream_c  *p_stream;
1402     matroska_segment_c *p_segment;
1403     uint8_t            *p_peek;
1404     std::string        s_path, s_filename;
1405     vlc_stream_io_callback *p_io_callback;
1406     EbmlStream         *p_io_stream;
1407
1408     /* peek the begining */
1409     if( stream_Peek( p_demux->s, &p_peek, 4 ) < 4 ) return VLC_EGENERIC;
1410
1411     /* is a valid file */
1412     if( p_peek[0] != 0x1a || p_peek[1] != 0x45 ||
1413         p_peek[2] != 0xdf || p_peek[3] != 0xa3 ) return VLC_EGENERIC;
1414
1415     /* Set the demux function */
1416     p_demux->pf_demux   = Demux;
1417     p_demux->pf_control = Control;
1418     p_demux->p_sys      = p_sys = new demux_sys_t( *p_demux );
1419
1420     p_io_callback = new vlc_stream_io_callback( p_demux->s, VLC_FALSE );
1421     p_io_stream = new EbmlStream( *p_io_callback );
1422
1423     if( p_io_stream == NULL )
1424     {
1425         msg_Err( p_demux, "failed to create EbmlStream" );
1426         delete p_io_callback;
1427         delete p_sys;
1428         return VLC_EGENERIC;
1429     }
1430
1431     p_stream = p_sys->AnalyseAllSegmentsFound( p_io_stream, true );
1432     if( p_stream == NULL )
1433     {
1434         msg_Err( p_demux, "cannot find KaxSegment" );
1435         goto error;
1436     }
1437     p_sys->streams.push_back( p_stream );
1438
1439     p_stream->p_in = p_io_callback;
1440     p_stream->p_es = p_io_stream;
1441
1442     for (size_t i=0; i<p_stream->segments.size(); i++)
1443     {
1444         p_stream->segments[i]->Preload();
1445     }
1446
1447     p_segment = p_stream->segments[0];
1448     if( p_segment->cluster != NULL )
1449     {
1450         msg_Warn( p_demux, "cannot find any cluster, damaged file ?" );
1451
1452         // reset the stream reading to the first cluster of the segment used
1453         p_stream->p_in->setFilePointer( p_segment->cluster->GetElementPosition() );
1454     }
1455
1456     /* get the files from the same dir from the same family (based on p_demux->psz_path) */
1457     if (p_demux->psz_path[0] != '\0' && !strcmp(p_demux->psz_access, ""))
1458     {
1459         // assume it's a regular file
1460         // get the directory path
1461         s_path = p_demux->psz_path;
1462         if (s_path.at(s_path.length() - 1) == DIRECTORY_SEPARATOR)
1463         {
1464             s_path = s_path.substr(0,s_path.length()-1);
1465         }
1466         else
1467         {
1468             if (s_path.find_last_of(DIRECTORY_SEPARATOR) > 0)
1469             {
1470                 s_path = s_path.substr(0,s_path.find_last_of(DIRECTORY_SEPARATOR));
1471             }
1472         }
1473
1474         struct dirent *p_file_item;
1475         DIR *p_src_dir = opendir(s_path.c_str());
1476
1477         if (p_src_dir != NULL)
1478         {
1479             while ((p_file_item = (dirent *) readdir(p_src_dir)))
1480             {
1481                 if (strlen(p_file_item->d_name) > 4)
1482                 {
1483                     s_filename = s_path + DIRECTORY_SEPARATOR + p_file_item->d_name;
1484
1485                     if (!s_filename.compare(p_demux->psz_path))
1486                         continue; // don't reuse the original opened file
1487
1488 #if defined(__GNUC__) && (__GNUC__ < 3)
1489                     if (!s_filename.compare("mkv", s_filename.length() - 3, 3) ||
1490                         !s_filename.compare("mka", s_filename.length() - 3, 3))
1491 #else
1492                     if (!s_filename.compare(s_filename.length() - 3, 3, "mkv") ||
1493                         !s_filename.compare(s_filename.length() - 3, 3, "mka"))
1494 #endif
1495                     {
1496                         // test wether this file belongs to our family
1497                         stream_t *p_file_stream = stream_UrlNew( p_demux, s_filename.c_str());
1498                         if ( p_file_stream != NULL )
1499                         {
1500                             vlc_stream_io_callback *p_file_io = new vlc_stream_io_callback( p_file_stream, VLC_TRUE );
1501                             EbmlStream *p_estream = new EbmlStream(*p_file_io);
1502
1503                             p_stream = p_sys->AnalyseAllSegmentsFound( p_estream );
1504
1505                             if ( p_stream == NULL )
1506                             {
1507                                 msg_Dbg( p_demux, "the file '%s' will not be used", s_filename.c_str() );
1508                                 delete p_estream;
1509                                 delete p_file_io;
1510                             }
1511                             else
1512                             {
1513                                 p_stream->p_in = p_file_io;
1514                                 p_stream->p_es = p_estream;
1515                                 p_sys->streams.push_back( p_stream );
1516                             }
1517                         }
1518                         else
1519                         {
1520                             msg_Dbg( p_demux, "the file '%s' cannot be opened", s_filename.c_str() );
1521                         }
1522                     }
1523                 }
1524             }
1525             closedir( p_src_dir );
1526         }
1527     }
1528
1529     p_sys->PreloadFamily( *p_segment );
1530     p_sys->PreloadLinked( p_segment );
1531     if ( !p_sys->PreparePlayback( NULL ) )
1532     {
1533         msg_Err( p_demux, "cannot use the segment" );
1534         goto error;
1535     }
1536
1537     p_sys->StartUiThread();
1538
1539     return VLC_SUCCESS;
1540
1541 error:
1542     delete p_sys;
1543     return VLC_EGENERIC;
1544 }
1545
1546 /*****************************************************************************
1547  * Close: frees unused data
1548  *****************************************************************************/
1549 static void Close( vlc_object_t *p_this )
1550 {
1551     demux_t     *p_demux = (demux_t*)p_this;
1552     demux_sys_t *p_sys   = p_demux->p_sys;
1553
1554     delete p_sys;
1555 }
1556
1557 /*****************************************************************************
1558  * Control:
1559  *****************************************************************************/
1560 static int Control( demux_t *p_demux, int i_query, va_list args )
1561 {
1562     demux_sys_t        *p_sys = p_demux->p_sys;
1563     int64_t     *pi64;
1564     double      *pf, f;
1565     int         i_skp;
1566     size_t      i_idx;
1567
1568     vlc_meta_t **pp_meta;
1569
1570     switch( i_query )
1571     {
1572         case DEMUX_GET_META:
1573             pp_meta = (vlc_meta_t**)va_arg( args, vlc_meta_t** );
1574             *pp_meta = vlc_meta_Duplicate( p_sys->meta );
1575             return VLC_SUCCESS;
1576
1577         case DEMUX_GET_LENGTH:
1578             pi64 = (int64_t*)va_arg( args, int64_t * );
1579             if( p_sys->f_duration > 0.0 )
1580             {
1581                 *pi64 = (int64_t)(p_sys->f_duration * 1000);
1582                 return VLC_SUCCESS;
1583             }
1584             return VLC_EGENERIC;
1585
1586         case DEMUX_GET_POSITION:
1587             pf = (double*)va_arg( args, double * );
1588             if ( p_sys->f_duration > 0.0 )
1589                 *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);
1590             return VLC_SUCCESS;
1591
1592         case DEMUX_SET_POSITION:
1593             f = (double)va_arg( args, double );
1594             Seek( p_demux, -1, f, NULL );
1595             return VLC_SUCCESS;
1596
1597         case DEMUX_GET_TIME:
1598             pi64 = (int64_t*)va_arg( args, int64_t * );
1599             *pi64 = p_sys->i_pts;
1600             return VLC_SUCCESS;
1601
1602         case DEMUX_GET_TITLE_INFO:
1603             if( p_sys->titles.size() )
1604             {
1605                 input_title_t ***ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
1606                 int *pi_int    = (int*)va_arg( args, int* );
1607
1608                 *pi_int = p_sys->titles.size();
1609                 *ppp_title = (input_title_t**)malloc( sizeof( input_title_t**) * p_sys->titles.size() );
1610
1611                 for( size_t i = 0; i < p_sys->titles.size(); i++ )
1612                 {
1613                     (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->titles[i] );
1614                 }
1615
1616                 return VLC_SUCCESS;
1617             }
1618             return VLC_EGENERIC;
1619
1620         case DEMUX_SET_TITLE:
1621             /* TODO handle editions as titles */
1622             i_idx = (int)va_arg( args, int );
1623             if( i_idx < p_sys->used_segments.size() )
1624             {
1625                 p_sys->JumpTo( *p_sys->used_segments[i_idx], NULL );
1626                 return VLC_SUCCESS;
1627             }
1628             return VLC_EGENERIC;
1629
1630         case DEMUX_SET_SEEKPOINT:
1631             i_skp = (int)va_arg( args, int );
1632
1633             // TODO change the way it works with the << & >> buttons on the UI (+1/-1 instead of a number)
1634             if( p_sys->titles.size() && i_skp < p_sys->titles[p_sys->i_current_title]->i_seekpoint)
1635             {
1636                 Seek( p_demux, (int64_t)p_sys->titles[p_sys->i_current_title]->seekpoint[i_skp]->i_time_offset, -1, NULL);
1637                 p_demux->info.i_seekpoint |= INPUT_UPDATE_SEEKPOINT;
1638                 p_demux->info.i_seekpoint = i_skp;
1639                 return VLC_SUCCESS;
1640             }
1641             return VLC_EGENERIC;
1642
1643         case DEMUX_SET_TIME:
1644         case DEMUX_GET_FPS:
1645         default:
1646             return VLC_EGENERIC;
1647     }
1648 }
1649
1650 int matroska_segment_c::BlockGet( KaxBlock * & pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration )
1651 {
1652     pp_block = NULL;
1653     *pi_ref1  = 0;
1654     *pi_ref2  = 0;
1655
1656     for( ;; )
1657     {
1658         EbmlElement *el;
1659         int         i_level;
1660
1661         if ( ep == NULL )
1662             return VLC_EGENERIC;
1663
1664         el = ep->Get();
1665         i_level = ep->GetLevel();
1666
1667         if( el == NULL && pp_block != NULL )
1668         {
1669             /* update the index */
1670 #define idx p_indexes[i_index - 1]
1671             if( i_index > 0 && idx.i_time == -1 )
1672             {
1673                 idx.i_time        = (*pp_block).GlobalTimecode() / (mtime_t)1000;
1674                 idx.b_key         = *pi_ref1 == 0 ? VLC_TRUE : VLC_FALSE;
1675             }
1676 #undef idx
1677             return VLC_SUCCESS;
1678         }
1679
1680         if( el == NULL )
1681         {
1682             if( ep->GetLevel() > 1 )
1683             {
1684                 ep->Up();
1685                 continue;
1686             }
1687             msg_Warn( &sys.demuxer, "EOF" );
1688             return VLC_EGENERIC;
1689         }
1690
1691         /* do parsing */
1692         switch ( i_level )
1693         {
1694         case 1:
1695             if( MKV_IS_ID( el, KaxCluster ) )
1696             {
1697                 cluster = (KaxCluster*)el;
1698                 i_cluster_pos = cluster->GetElementPosition();
1699
1700                 /* add it to the index */
1701                 if( i_index == 0 ||
1702                     ( i_index > 0 && p_indexes[i_index - 1].i_position < (int64_t)cluster->GetElementPosition() ) )
1703                 {
1704                     IndexAppendCluster( cluster );
1705                 }
1706
1707                 // reset silent tracks
1708                 for (size_t i=0; i<tracks.size(); i++)
1709                 {
1710                     tracks[i]->b_silent = VLC_FALSE;
1711                 }
1712
1713                 ep->Down();
1714             }
1715             else if( MKV_IS_ID( el, KaxCues ) )
1716             {
1717                 msg_Warn( &sys.demuxer, "find KaxCues FIXME" );
1718                 return VLC_EGENERIC;
1719             }
1720             else
1721             {
1722                 msg_Dbg( &sys.demuxer, "unknown (%s)", typeid( el ).name() );
1723             }
1724             break;
1725         case 2:
1726             if( MKV_IS_ID( el, KaxClusterTimecode ) )
1727             {
1728                 KaxClusterTimecode &ctc = *(KaxClusterTimecode*)el;
1729
1730                 ctc.ReadData( es.I_O(), SCOPE_ALL_DATA );
1731                 cluster->InitTimecode( uint64( ctc ), i_timescale );
1732             }
1733             else if( MKV_IS_ID( el, KaxClusterSilentTracks ) )
1734             {
1735                 ep->Down();
1736             }
1737             else if( MKV_IS_ID( el, KaxBlockGroup ) )
1738             {
1739                 i_block_pos = el->GetElementPosition();
1740                 ep->Down();
1741             }
1742             break;
1743         case 3:
1744             if( MKV_IS_ID( el, KaxBlock ) )
1745             {
1746                 pp_block = (KaxBlock*)el;
1747
1748                 pp_block->ReadData( es.I_O() );
1749                 pp_block->SetParent( *cluster );
1750
1751                 ep->Keep();
1752             }
1753             else if( MKV_IS_ID( el, KaxBlockDuration ) )
1754             {
1755                 KaxBlockDuration &dur = *(KaxBlockDuration*)el;
1756
1757                 dur.ReadData( es.I_O() );
1758                 *pi_duration = uint64( dur );
1759             }
1760             else if( MKV_IS_ID( el, KaxReferenceBlock ) )
1761             {
1762                 KaxReferenceBlock &ref = *(KaxReferenceBlock*)el;
1763
1764                 ref.ReadData( es.I_O() );
1765                 if( *pi_ref1 == 0 )
1766                 {
1767                     *pi_ref1 = int64( ref ) * cluster->GlobalTimecodeScale();
1768                 }
1769                 else
1770                 {
1771                     *pi_ref2 = int64( ref ) * cluster->GlobalTimecodeScale();
1772                 }
1773             }
1774             else if( MKV_IS_ID( el, KaxClusterSilentTrackNumber ) )
1775             {
1776                 KaxClusterSilentTrackNumber &track_num = *(KaxClusterSilentTrackNumber*)el;
1777                 track_num.ReadData( es.I_O() );
1778                 // find the track
1779                 for (size_t i=0; i<tracks.size(); i++)
1780                 {
1781                     if ( tracks[i]->i_number == uint32(track_num))
1782                     {
1783                         tracks[i]->b_silent = VLC_TRUE;
1784                         break;
1785                     }
1786                 }
1787             }
1788             break;
1789         default:
1790             msg_Err( &sys.demuxer, "invalid level = %d", i_level );
1791             return VLC_EGENERIC;
1792         }
1793     }
1794 }
1795
1796 static block_t *MemToBlock( demux_t *p_demux, uint8_t *p_mem, int i_mem)
1797 {
1798     block_t *p_block;
1799     if( !(p_block = block_New( p_demux, i_mem ) ) ) return NULL;
1800     memcpy( p_block->p_buffer, p_mem, i_mem );
1801     //p_block->i_rate = p_input->stream.control.i_rate;
1802     return p_block;
1803 }
1804
1805 static void BlockDecode( demux_t *p_demux, KaxBlock *block, mtime_t i_pts,
1806                          mtime_t i_duration )
1807 {
1808     demux_sys_t        *p_sys = p_demux->p_sys;
1809     matroska_segment_c *p_segment = p_sys->p_current_segment->Segment();
1810
1811     size_t          i_track;
1812     unsigned int    i;
1813     vlc_bool_t      b;
1814
1815 #define tk  p_segment->tracks[i_track]
1816     for( i_track = 0; i_track < p_segment->tracks.size(); i_track++ )
1817     {
1818         if( tk->i_number == block->TrackNum() )
1819         {
1820             break;
1821         }
1822     }
1823
1824     if( i_track >= p_segment->tracks.size() )
1825     {
1826         msg_Err( p_demux, "invalid track number=%d", block->TrackNum() );
1827         return;
1828     }
1829     if( tk->fmt.i_cat != NAV_ES && tk->p_es == NULL )
1830     {
1831         msg_Err( p_demux, "unknown track number=%d", block->TrackNum() );
1832         return;
1833     }
1834     if( i_pts + i_duration < p_sys->i_start_pts && tk->fmt.i_cat == AUDIO_ES )
1835     {
1836         return; /* discard audio packets that shouldn't be rendered */
1837     }
1838
1839     if ( tk->fmt.i_cat != NAV_ES )
1840     {
1841         es_out_Control( p_demux->out, ES_OUT_GET_ES_STATE, tk->p_es, &b );
1842
1843         if( !b )
1844         {
1845             tk->b_inited = VLC_FALSE;
1846             return;
1847         }
1848     }
1849
1850
1851     /* First send init data */
1852     if( !tk->b_inited && tk->i_data_init > 0 )
1853     {
1854         block_t *p_init;
1855
1856         msg_Dbg( p_demux, "sending header (%d bytes)", tk->i_data_init );
1857         p_init = MemToBlock( p_demux, tk->p_data_init, tk->i_data_init );
1858         if( p_init ) es_out_Send( p_demux->out, tk->p_es, p_init );
1859     }
1860     tk->b_inited = VLC_TRUE;
1861
1862
1863     for( i = 0; i < block->NumberFrames(); i++ )
1864     {
1865         block_t *p_block;
1866         DataBuffer &data = block->GetBuffer(i);
1867
1868         p_block = MemToBlock( p_demux, data.Buffer(), data.Size() );
1869
1870         if( p_block == NULL )
1871         {
1872             break;
1873         }
1874
1875 #if defined(HAVE_ZLIB_H)
1876         if( tk->i_compression_type )
1877         {
1878             p_block = block_zlib_decompress( VLC_OBJECT(p_demux), p_block );
1879         }
1880 #endif
1881
1882         if ( tk->fmt.i_cat == NAV_ES )
1883         {
1884             // TODO handle the start/stop times of this packet
1885             if ( p_sys->b_ui_hooked )
1886             {
1887                 vlc_mutex_lock( &p_sys->p_ev->lock );
1888                 memcpy( &p_sys->pci_packet, &p_block->p_buffer[1], sizeof(pci_t) );
1889                 p_sys->SwapButtons();
1890                 p_sys->b_pci_packet_set = true;
1891                 vlc_mutex_unlock( &p_sys->p_ev->lock );
1892                 block_Release( p_block );
1893             }
1894             return;
1895         }
1896         // correct timestamping when B frames are used
1897         if( tk->fmt.i_cat != VIDEO_ES )
1898         {
1899             p_block->i_dts = p_block->i_pts = i_pts;
1900         }
1901         else
1902         {
1903             if( !strcmp( tk->psz_codec, "V_MS/VFW/FOURCC" ) )
1904             {
1905                 p_block->i_pts = 0;
1906             }
1907             else
1908             {
1909                 p_block->i_pts = i_pts;
1910             }
1911             p_block->i_dts = p_sys->i_pts;
1912         }
1913
1914 #if 0
1915 msg_Dbg( p_demux, "block i_dts: "I64Fd" / i_pts: "I64Fd, p_block->i_dts, p_block->i_pts);
1916 #endif
1917         if( strcmp( tk->psz_codec, "S_VOBSUB" ) )
1918         {
1919             p_block->i_length = i_duration * 1000;
1920         }
1921
1922         es_out_Send( p_demux->out, tk->p_es, p_block );
1923
1924         /* use time stamp only for first block */
1925         i_pts = 0;
1926     }
1927
1928 #undef tk
1929 }
1930
1931 matroska_stream_c *demux_sys_t::AnalyseAllSegmentsFound( EbmlStream *p_estream, bool b_initial )
1932 {
1933     int i_upper_lvl = 0;
1934     size_t i;
1935     EbmlElement *p_l0, *p_l1, *p_l2;
1936     bool b_keep_stream = false, b_keep_segment;
1937
1938     // verify the EBML Header
1939     p_l0 = p_estream->FindNextID(EbmlHead::ClassInfos, 0xFFFFFFFFL);
1940     if (p_l0 == NULL)
1941     {
1942         return NULL;
1943     }
1944     p_l0->SkipData(*p_estream, KaxMatroska_Context);
1945     delete p_l0;
1946
1947     // find all segments in this file
1948     p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFFLL);
1949     if (p_l0 == NULL)
1950     {
1951         return NULL;
1952     }
1953
1954     matroska_stream_c *p_stream1 = new matroska_stream_c( *this );
1955
1956     while (p_l0 != 0)
1957     {
1958         if (EbmlId(*p_l0) == KaxSegment::ClassInfos.GlobalId)
1959         {
1960             EbmlParser  *ep;
1961             matroska_segment_c *p_segment1 = new matroska_segment_c( *this, *p_estream );
1962             b_keep_segment = b_initial;
1963
1964             ep = new EbmlParser(p_estream, p_l0, &demuxer );
1965             p_segment1->ep = ep;
1966             p_segment1->segment = (KaxSegment*)p_l0;
1967
1968             while ((p_l1 = ep->Get()))
1969             {
1970                 if (MKV_IS_ID(p_l1, KaxInfo))
1971                 {
1972                     // find the families of this segment
1973                     KaxInfo *p_info = static_cast<KaxInfo*>(p_l1);
1974
1975                     p_info->Read(*p_estream, KaxInfo::ClassInfos.Context, i_upper_lvl, p_l2, true);
1976                     for( i = 0; i < p_info->ListSize(); i++ )
1977                     {
1978                         EbmlElement *l = (*p_info)[i];
1979
1980                         if( MKV_IS_ID( l, KaxSegmentUID ) )
1981                         {
1982                             KaxSegmentUID *p_uid = static_cast<KaxSegmentUID*>(l);
1983                             b_keep_segment = (FindSegment( *p_uid ) == NULL);
1984                             if ( !b_keep_segment )
1985                                 break; // this segment is already known
1986                             opened_segments.push_back( p_segment1 );
1987                             delete p_segment1->p_segment_uid;
1988                             p_segment1->p_segment_uid = new KaxSegmentUID(*p_uid);
1989                         }
1990                         else if( MKV_IS_ID( l, KaxPrevUID ) )
1991                         {
1992                             p_segment1->p_prev_segment_uid = new KaxPrevUID( *static_cast<KaxPrevUID*>(l) );
1993                         }
1994                         else if( MKV_IS_ID( l, KaxNextUID ) )
1995                         {
1996                             p_segment1->p_next_segment_uid = new KaxNextUID( *static_cast<KaxNextUID*>(l) );
1997                         }
1998                         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
1999                         {
2000                             KaxSegmentFamily *p_fam = new KaxSegmentFamily( *static_cast<KaxSegmentFamily*>(l) );
2001                             p_segment1->families.push_back( p_fam );
2002                         }
2003                     }
2004                     break;
2005                 }
2006             }
2007             if ( b_keep_segment )
2008             {
2009                 b_keep_stream = true;
2010                 p_stream1->segments.push_back( p_segment1 );
2011             }
2012             else
2013                 delete p_segment1;
2014         }
2015         if (p_l0->IsFiniteSize() )
2016         {
2017             p_l0->SkipData(*p_estream, KaxMatroska_Context);
2018             p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFL);
2019         }
2020         else
2021             p_l0 = p_l0->SkipData(*p_estream, KaxSegment_Context);
2022     }
2023
2024     if ( !b_keep_stream )
2025     {
2026         delete p_stream1;
2027         p_stream1 = NULL;
2028     }
2029
2030     return p_stream1;
2031 }
2032
2033 bool matroska_segment_c::Select( mtime_t i_start_time )
2034 {
2035     size_t i_track;
2036
2037     /* add all es */
2038     msg_Dbg( &sys.demuxer, "found %d es", (int)tracks.size() );
2039     sys.b_pci_packet_set = false;
2040
2041     for( i_track = 0; i_track < tracks.size(); i_track++ )
2042     {
2043         if( tracks[i_track]->fmt.i_cat == UNKNOWN_ES )
2044         {
2045             msg_Warn( &sys.demuxer, "invalid track[%d, n=%d]", (int)i_track, tracks[i_track]->i_number );
2046             tracks[i_track]->p_es = NULL;
2047             continue;
2048         }
2049
2050         if( !strcmp( tracks[i_track]->psz_codec, "V_MS/VFW/FOURCC" ) )
2051         {
2052             if( tracks[i_track]->i_extra_data < (int)sizeof( BITMAPINFOHEADER ) )
2053             {
2054                 msg_Err( &sys.demuxer, "missing/invalid BITMAPINFOHEADER" );
2055                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2056             }
2057             else
2058             {
2059                 BITMAPINFOHEADER *p_bih = (BITMAPINFOHEADER*)tracks[i_track]->p_extra_data;
2060
2061                 tracks[i_track]->fmt.video.i_width = GetDWLE( &p_bih->biWidth );
2062                 tracks[i_track]->fmt.video.i_height= GetDWLE( &p_bih->biHeight );
2063                 tracks[i_track]->fmt.i_codec       = GetFOURCC( &p_bih->biCompression );
2064
2065                 tracks[i_track]->fmt.i_extra       = GetDWLE( &p_bih->biSize ) - sizeof( BITMAPINFOHEADER );
2066                 if( tracks[i_track]->fmt.i_extra > 0 )
2067                 {
2068                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2069                     memcpy( tracks[i_track]->fmt.p_extra, &p_bih[1], tracks[i_track]->fmt.i_extra );
2070                 }
2071             }
2072         }
2073         else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG1" ) ||
2074                  !strcmp( tracks[i_track]->psz_codec, "V_MPEG2" ) )
2075         {
2076             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'v' );
2077         }
2078         else if( !strncmp( tracks[i_track]->psz_codec, "V_MPEG4", 7 ) )
2079         {
2080             if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/MS/V3" ) )
2081             {
2082                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'D', 'I', 'V', '3' );
2083             }
2084             else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/ISO/AVC" ) )
2085             {
2086                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'v', 'c', '1' );
2087                 tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2088                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2089                 memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2090             }
2091             else
2092             {
2093                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' );
2094             }
2095         }
2096         else if( !strcmp( tracks[i_track]->psz_codec, "V_QUICKTIME" ) )
2097         {
2098             MP4_Box_t *p_box = (MP4_Box_t*)malloc( sizeof( MP4_Box_t ) );
2099             stream_t *p_mp4_stream = stream_MemoryNew( VLC_OBJECT(&sys.demuxer),
2100                                                        tracks[i_track]->p_extra_data,
2101                                                        tracks[i_track]->i_extra_data,
2102                                                        VLC_FALSE );
2103             MP4_ReadBoxCommon( p_mp4_stream, p_box );
2104             MP4_ReadBox_sample_vide( p_mp4_stream, p_box );
2105             tracks[i_track]->fmt.i_codec = p_box->i_type;
2106             tracks[i_track]->fmt.video.i_width = p_box->data.p_sample_vide->i_width;
2107             tracks[i_track]->fmt.video.i_height = p_box->data.p_sample_vide->i_height;
2108             tracks[i_track]->fmt.i_extra = p_box->data.p_sample_vide->i_qt_image_description;
2109             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2110             memcpy( tracks[i_track]->fmt.p_extra, p_box->data.p_sample_vide->p_qt_image_description, tracks[i_track]->fmt.i_extra );
2111             MP4_FreeBox_sample_vide( p_box );
2112             stream_Delete( p_mp4_stream );
2113         }
2114         else if( !strcmp( tracks[i_track]->psz_codec, "A_MS/ACM" ) )
2115         {
2116             if( tracks[i_track]->i_extra_data < (int)sizeof( WAVEFORMATEX ) )
2117             {
2118                 msg_Err( &sys.demuxer, "missing/invalid WAVEFORMATEX" );
2119                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2120             }
2121             else
2122             {
2123                 WAVEFORMATEX *p_wf = (WAVEFORMATEX*)tracks[i_track]->p_extra_data;
2124
2125                 wf_tag_to_fourcc( GetWLE( &p_wf->wFormatTag ), &tracks[i_track]->fmt.i_codec, NULL );
2126
2127                 tracks[i_track]->fmt.audio.i_channels   = GetWLE( &p_wf->nChannels );
2128                 tracks[i_track]->fmt.audio.i_rate = GetDWLE( &p_wf->nSamplesPerSec );
2129                 tracks[i_track]->fmt.i_bitrate    = GetDWLE( &p_wf->nAvgBytesPerSec ) * 8;
2130                 tracks[i_track]->fmt.audio.i_blockalign = GetWLE( &p_wf->nBlockAlign );;
2131                 tracks[i_track]->fmt.audio.i_bitspersample = GetWLE( &p_wf->wBitsPerSample );
2132
2133                 tracks[i_track]->fmt.i_extra            = GetWLE( &p_wf->cbSize );
2134                 if( tracks[i_track]->fmt.i_extra > 0 )
2135                 {
2136                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2137                     memcpy( tracks[i_track]->fmt.p_extra, &p_wf[1], tracks[i_track]->fmt.i_extra );
2138                 }
2139             }
2140         }
2141         else if( !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L3" ) ||
2142                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L2" ) ||
2143                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L1" ) )
2144         {
2145             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' );
2146         }
2147         else if( !strcmp( tracks[i_track]->psz_codec, "A_AC3" ) )
2148         {
2149             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' );
2150         }
2151         else if( !strcmp( tracks[i_track]->psz_codec, "A_DTS" ) )
2152         {
2153             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'd', 't', 's', ' ' );
2154         }
2155         else if( !strcmp( tracks[i_track]->psz_codec, "A_FLAC" ) )
2156         {
2157             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'f', 'l', 'a', 'c' );
2158             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2159             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2160             memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2161         }
2162         else if( !strcmp( tracks[i_track]->psz_codec, "A_VORBIS" ) )
2163         {
2164             int i, i_offset = 1, i_size[3], i_extra;
2165             uint8_t *p_extra;
2166
2167             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'v', 'o', 'r', 'b' );
2168
2169             /* Split the 3 headers */
2170             if( tracks[i_track]->p_extra_data[0] != 0x02 )
2171                 msg_Err( &sys.demuxer, "invalid vorbis header" );
2172
2173             for( i = 0; i < 2; i++ )
2174             {
2175                 i_size[i] = 0;
2176                 while( i_offset < tracks[i_track]->i_extra_data )
2177                 {
2178                     i_size[i] += tracks[i_track]->p_extra_data[i_offset];
2179                     if( tracks[i_track]->p_extra_data[i_offset++] != 0xff ) break;
2180                 }
2181             }
2182
2183             i_size[0] = __MIN(i_size[0], tracks[i_track]->i_extra_data - i_offset);
2184             i_size[1] = __MIN(i_size[1], tracks[i_track]->i_extra_data -i_offset -i_size[0]);
2185             i_size[2] = tracks[i_track]->i_extra_data - i_offset - i_size[0] - i_size[1];
2186
2187             tracks[i_track]->fmt.i_extra = 3 * 2 + i_size[0] + i_size[1] + i_size[2];
2188             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2189             p_extra = (uint8_t *)tracks[i_track]->fmt.p_extra; i_extra = 0;
2190             for( i = 0; i < 3; i++ )
2191             {
2192                 *(p_extra++) = i_size[i] >> 8;
2193                 *(p_extra++) = i_size[i] & 0xFF;
2194                 memcpy( p_extra, tracks[i_track]->p_extra_data + i_offset + i_extra,
2195                         i_size[i] );
2196                 p_extra += i_size[i];
2197                 i_extra += i_size[i];
2198             }
2199         }
2200         else if( !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG2/", strlen( "A_AAC/MPEG2/" ) ) ||
2201                  !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG4/", strlen( "A_AAC/MPEG4/" ) ) )
2202         {
2203             int i_profile, i_srate;
2204             static unsigned int i_sample_rates[] =
2205             {
2206                     96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050,
2207                         16000, 12000, 11025, 8000,  7350,  0,     0,     0
2208             };
2209
2210             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
2211             /* create data for faad (MP4DecSpecificDescrTag)*/
2212
2213             if( !strcmp( &tracks[i_track]->psz_codec[12], "MAIN" ) )
2214             {
2215                 i_profile = 0;
2216             }
2217             else if( !strcmp( &tracks[i_track]->psz_codec[12], "LC" ) )
2218             {
2219                 i_profile = 1;
2220             }
2221             else if( !strcmp( &tracks[i_track]->psz_codec[12], "SSR" ) )
2222             {
2223                 i_profile = 2;
2224             }
2225             else
2226             {
2227                 i_profile = 3;
2228             }
2229
2230             for( i_srate = 0; i_srate < 13; i_srate++ )
2231             {
2232                 if( i_sample_rates[i_srate] == tracks[i_track]->fmt.audio.i_rate )
2233                 {
2234                     break;
2235                 }
2236             }
2237             msg_Dbg( &sys.demuxer, "profile=%d srate=%d", i_profile, i_srate );
2238
2239             tracks[i_track]->fmt.i_extra = 2;
2240             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2241             ((uint8_t*)tracks[i_track]->fmt.p_extra)[0] = ((i_profile + 1) << 3) | ((i_srate&0xe) >> 1);
2242             ((uint8_t*)tracks[i_track]->fmt.p_extra)[1] = ((i_srate & 0x1) << 7) | (tracks[i_track]->fmt.audio.i_channels << 3);
2243         }
2244         else if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) ||
2245                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/LIT" ) ||
2246                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/FLOAT/IEEE" ) )
2247         {
2248             if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) )
2249             {
2250                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
2251             }
2252             else
2253             {
2254                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
2255             }
2256             tracks[i_track]->fmt.audio.i_blockalign = ( tracks[i_track]->fmt.audio.i_bitspersample + 7 ) / 8 * tracks[i_track]->fmt.audio.i_channels;
2257         }
2258         else if( !strcmp( tracks[i_track]->psz_codec, "A_TTA1" ) )
2259         {
2260             /* FIXME: support this codec */
2261             msg_Err( &sys.demuxer, "TTA not supported yet[%d, n=%d]", (int)i_track, tracks[i_track]->i_number );
2262             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2263         }
2264         else if( !strcmp( tracks[i_track]->psz_codec, "A_WAVPACK4" ) )
2265         {
2266             /* FIXME: support this codec */
2267             msg_Err( &sys.demuxer, "Wavpack not supported yet[%d, n=%d]", (int)i_track, tracks[i_track]->i_number );
2268             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2269         }
2270         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/UTF8" ) )
2271         {
2272             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 'u', 'b', 't' );
2273             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2274         }
2275         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/SSA" ) ||
2276                  !strcmp( tracks[i_track]->psz_codec, "S_TEXT/ASS" ) ||
2277                  !strcmp( tracks[i_track]->psz_codec, "S_SSA" ) ||
2278                  !strcmp( tracks[i_track]->psz_codec, "S_ASS" ))
2279         {
2280             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 's', 'a', ' ' );
2281             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2282         }
2283         else if( !strcmp( tracks[i_track]->psz_codec, "S_VOBSUB" ) )
2284         {
2285             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's','p','u',' ' );
2286             if( tracks[i_track]->i_extra_data )
2287             {
2288                 char *p_start;
2289                 char *p_buf = (char *)malloc( tracks[i_track]->i_extra_data + 1);
2290                 memcpy( p_buf, tracks[i_track]->p_extra_data , tracks[i_track]->i_extra_data );
2291                 p_buf[tracks[i_track]->i_extra_data] = '\0';
2292
2293                 p_start = strstr( p_buf, "size:" );
2294                 if( sscanf( p_start, "size: %dx%d",
2295                         &tracks[i_track]->fmt.subs.spu.i_original_frame_width, &tracks[i_track]->fmt.subs.spu.i_original_frame_height ) == 2 )
2296                 {
2297                     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 );
2298                 }
2299                 else
2300                 {
2301                     msg_Warn( &sys.demuxer, "reading original frame size for vobsub failed" );
2302                 }
2303                 free( p_buf );
2304             }
2305         }
2306         else if( !strcmp( tracks[i_track]->psz_codec, "B_VOBBTN" ) )
2307         {
2308             tracks[i_track]->fmt.i_cat = NAV_ES;
2309             continue;
2310         }
2311         else
2312         {
2313             msg_Err( &sys.demuxer, "unknow codec id=`%s'", tracks[i_track]->psz_codec );
2314             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2315         }
2316         if( tracks[i_track]->b_default )
2317         {
2318             tracks[i_track]->fmt.i_priority = 1000;
2319         }
2320
2321         tracks[i_track]->p_es = es_out_Add( sys.demuxer.out, &tracks[i_track]->fmt );
2322
2323         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_start_time );
2324     }
2325
2326     sys.i_start_pts = i_start_time;
2327     // reset the stream reading to the first cluster of the segment used
2328     es.I_O().setFilePointer( i_start_pos );
2329
2330     delete ep;
2331     ep = new EbmlParser( &es, segment, &sys.demuxer );
2332
2333     return true;
2334 }
2335
2336 void demux_sys_t::StartUiThread()
2337 {
2338     if ( !b_ui_hooked )
2339     {
2340         msg_Dbg( &demuxer, "Starting the UI Hook" );
2341         b_ui_hooked = true;
2342         /* FIXME hack hack hack hack FIXME */
2343         /* Get p_input and create variable */
2344         p_input = (input_thread_t *) vlc_object_find( &demuxer, VLC_OBJECT_INPUT, FIND_PARENT );
2345         var_Create( p_input, "x-start", VLC_VAR_INTEGER );
2346         var_Create( p_input, "y-start", VLC_VAR_INTEGER );
2347         var_Create( p_input, "x-end", VLC_VAR_INTEGER );
2348         var_Create( p_input, "y-end", VLC_VAR_INTEGER );
2349         var_Create( p_input, "color", VLC_VAR_ADDRESS );
2350         var_Create( p_input, "menu-palette", VLC_VAR_ADDRESS );
2351         var_Create( p_input, "highlight", VLC_VAR_BOOL );
2352         var_Create( p_input, "highlight-mutex", VLC_VAR_MUTEX );
2353
2354         /* Now create our event thread catcher */
2355         p_ev = (event_thread_t *) vlc_object_create( &demuxer, sizeof( event_thread_t ) );
2356         p_ev->p_demux = &demuxer;
2357         p_ev->b_die = VLC_FALSE;
2358         vlc_mutex_init( p_ev, &p_ev->lock );
2359         vlc_thread_create( p_ev, "mkv event thread handler", EventThread,
2360                         VLC_THREAD_PRIORITY_LOW, VLC_FALSE );
2361     }
2362 }
2363
2364 void demux_sys_t::StopUiThread()
2365 {
2366     if ( b_ui_hooked )
2367     {
2368         p_ev->b_die = VLC_TRUE;
2369
2370         vlc_thread_join( p_ev );
2371         vlc_object_destroy( p_ev );
2372
2373         p_ev = NULL;
2374
2375         var_Destroy( p_input, "highlight-mutex" );
2376         var_Destroy( p_input, "highlight" );
2377         var_Destroy( p_input, "x-start" );
2378         var_Destroy( p_input, "x-end" );
2379         var_Destroy( p_input, "y-start" );
2380         var_Destroy( p_input, "y-end" );
2381         var_Destroy( p_input, "color" );
2382         var_Destroy( p_input, "menu-palette" );
2383
2384         vlc_object_release( p_input );
2385
2386         msg_Dbg( &demuxer, "Stopping the UI Hook" );
2387     }
2388     b_ui_hooked = false;
2389 }
2390
2391 int demux_sys_t::EventMouse( vlc_object_t *p_this, char const *psz_var,
2392                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
2393 {
2394     event_thread_t *p_ev = (event_thread_t *) p_data;
2395     vlc_mutex_lock( &p_ev->lock );
2396     if( psz_var[6] == 'c' )
2397         p_ev->b_clicked = VLC_TRUE;
2398     else if( psz_var[6] == 'm' )
2399         p_ev->b_moved = VLC_TRUE;
2400     vlc_mutex_unlock( &p_ev->lock );
2401
2402     return VLC_SUCCESS;
2403 }
2404
2405 int demux_sys_t::EventKey( vlc_object_t *p_this, char const *psz_var,
2406                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
2407 {
2408     event_thread_t *p_ev = (event_thread_t *) p_data;
2409     vlc_mutex_lock( &p_ev->lock );
2410     p_ev->b_key = VLC_TRUE;
2411     vlc_mutex_unlock( &p_ev->lock );
2412
2413     return VLC_SUCCESS;
2414 }
2415
2416 int demux_sys_t::EventThread( vlc_object_t *p_this )
2417 {
2418     event_thread_t *p_ev = (event_thread_t*)p_this;
2419     demux_sys_t    *p_sys = p_ev->p_demux->p_sys;
2420     vlc_object_t   *p_vout = NULL;
2421
2422     p_ev->b_moved   = VLC_FALSE;
2423     p_ev->b_clicked = VLC_FALSE;
2424     p_ev->b_key     = VLC_FALSE;
2425
2426     /* catch all key event */
2427     var_AddCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2428
2429     /* main loop */
2430     while( !p_ev->b_die )
2431     {
2432         if ( !p_sys->b_pci_packet_set )
2433         {
2434             /* Wait 100ms */
2435             msleep( 100000 );
2436             continue;
2437         }
2438
2439         vlc_bool_t b_activated = VLC_FALSE;
2440
2441         /* KEY part */
2442         if( p_ev->b_key )
2443         {
2444             vlc_value_t valk;
2445             struct vlc_t::hotkey *p_hotkeys = p_ev->p_vlc->p_hotkeys;
2446             int i, i_action = -1;
2447
2448             vlc_mutex_lock( &p_ev->lock );
2449
2450             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2451
2452             var_Get( p_ev->p_vlc, "key-pressed", &valk );
2453             for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
2454             {
2455                 if( p_hotkeys[i].i_key == valk.i_int )
2456                 {
2457                     i_action = p_hotkeys[i].i_action;
2458                 }
2459             }
2460
2461             uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2462
2463             switch( i_action )
2464             {
2465             case ACTIONID_NAV_LEFT:
2466                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2467                 {
2468                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2469                     if ( p_button_ptr->left > 0 && p_button_ptr->left <= pci->hli.hl_gi.btn_ns )
2470                     {
2471                         i_curr_button = p_button_ptr->left;
2472                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2473                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2474                         if ( button_ptr.auto_action_mode )
2475                         {
2476                             vlc_mutex_unlock( &p_ev->lock );
2477                             vlc_mutex_lock( &p_sys->lock_demuxer );
2478
2479                             // process the button action
2480                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2481
2482                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2483                             vlc_mutex_lock( &p_ev->lock );
2484                         }
2485                     }
2486                 }
2487                 break;
2488             case ACTIONID_NAV_RIGHT:
2489                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2490                 {
2491                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2492                     if ( p_button_ptr->right > 0 && p_button_ptr->right <= pci->hli.hl_gi.btn_ns )
2493                     {
2494                         i_curr_button = p_button_ptr->right;
2495                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2496                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2497                         if ( button_ptr.auto_action_mode )
2498                         {
2499                             vlc_mutex_unlock( &p_ev->lock );
2500                             vlc_mutex_lock( &p_sys->lock_demuxer );
2501
2502                             // process the button action
2503                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2504
2505                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2506                             vlc_mutex_lock( &p_ev->lock );
2507                         }
2508                     }
2509                 }
2510                 break;
2511             case ACTIONID_NAV_UP:
2512                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2513                 {
2514                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2515                     if ( p_button_ptr->up > 0 && p_button_ptr->up <= pci->hli.hl_gi.btn_ns )
2516                     {
2517                         i_curr_button = p_button_ptr->up;
2518                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2519                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2520                         if ( button_ptr.auto_action_mode )
2521                         {
2522                             vlc_mutex_unlock( &p_ev->lock );
2523                             vlc_mutex_lock( &p_sys->lock_demuxer );
2524
2525                             // process the button action
2526                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2527
2528                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2529                             vlc_mutex_lock( &p_ev->lock );
2530                         }
2531                     }
2532                 }
2533                 break;
2534             case ACTIONID_NAV_DOWN:
2535                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2536                 {
2537                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2538                     if ( p_button_ptr->down > 0 && p_button_ptr->down <= pci->hli.hl_gi.btn_ns )
2539                     {
2540                         i_curr_button = p_button_ptr->down;
2541                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2542                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2543                         if ( button_ptr.auto_action_mode )
2544                         {
2545                             vlc_mutex_unlock( &p_ev->lock );
2546                             vlc_mutex_lock( &p_sys->lock_demuxer );
2547
2548                             // process the button action
2549                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2550
2551                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2552                             vlc_mutex_lock( &p_ev->lock );
2553                         }
2554                     }
2555                 }
2556                 break;
2557             case ACTIONID_NAV_ACTIVATE:
2558                 b_activated = VLC_TRUE;
2559
2560                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2561                 {
2562                     btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2563
2564                     vlc_mutex_unlock( &p_ev->lock );
2565                     vlc_mutex_lock( &p_sys->lock_demuxer );
2566
2567                     // process the button action
2568                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2569
2570                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2571                     vlc_mutex_lock( &p_ev->lock );
2572                 }
2573                 break;
2574             default:
2575                 break;
2576             }
2577             p_ev->b_key = VLC_FALSE;
2578             vlc_mutex_unlock( &p_ev->lock );
2579         }
2580
2581         /* MOUSE part */
2582         if( p_vout && ( p_ev->b_moved || p_ev->b_clicked ) )
2583         {
2584             vlc_value_t valx, valy;
2585
2586             vlc_mutex_lock( &p_ev->lock );
2587             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2588             var_Get( p_vout, "mouse-x", &valx );
2589             var_Get( p_vout, "mouse-y", &valy );
2590
2591             if( p_ev->b_clicked )
2592             {
2593                 int32_t button;
2594                 int32_t best,dist,d;
2595                 int32_t mx,my,dx,dy;
2596
2597                 b_activated = VLC_TRUE;
2598                 // get current button
2599                 best = 0;
2600                 dist = 0x08000000; /* >> than  (720*720)+(567*567); */
2601                 for(button = 1; button <= pci->hli.hl_gi.btn_ns; button++)
2602                 {
2603                     btni_t *button_ptr = &(pci->hli.btnit[button-1]);
2604
2605                     if(((unsigned)valx.i_int >= button_ptr->x_start)
2606                      && ((unsigned)valx.i_int <= button_ptr->x_end)
2607                      && ((unsigned)valy.i_int >= button_ptr->y_start)
2608                      && ((unsigned)valy.i_int <= button_ptr->y_end))
2609                     {
2610                         mx = (button_ptr->x_start + button_ptr->x_end)/2;
2611                         my = (button_ptr->y_start + button_ptr->y_end)/2;
2612                         dx = mx - valx.i_int;
2613                         dy = my - valy.i_int;
2614                         d = (dx*dx) + (dy*dy);
2615                         /* If the mouse is within the button and the mouse is closer
2616                         * to the center of this button then it is the best choice. */
2617                         if(d < dist) {
2618                             dist = d;
2619                             best = button;
2620                         }
2621                     }
2622                 }
2623
2624                 if ( best != 0)
2625                 {
2626                     btni_t button_ptr = pci->hli.btnit[best-1];
2627                     uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2628
2629                     msg_Dbg( &p_sys->demuxer, "Clicked button %d", best );
2630                     vlc_mutex_unlock( &p_ev->lock );
2631                     vlc_mutex_lock( &p_sys->lock_demuxer );
2632
2633                     // process the button action
2634                     p_sys->dvd_interpretor.SetSPRM( 0x88, best );
2635                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2636
2637                     msg_Dbg( &p_sys->demuxer, "Processed button %d", best );
2638
2639                     // select new button
2640                     if ( best != i_curr_button )
2641                     {
2642                         vlc_value_t val;
2643
2644                         if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
2645                         {
2646                             vlc_mutex_t *p_mutex = (vlc_mutex_t *) val.p_address;
2647                             uint32_t i_palette;
2648
2649                             if(button_ptr.btn_coln != 0) {
2650                                 i_palette = pci->hli.btn_colit.btn_coli[button_ptr.btn_coln-1][1];
2651                             } else {
2652                                 i_palette = 0;
2653                             }
2654
2655                             for( int i = 0; i < 4; i++ )
2656                             {
2657                                 uint32_t i_yuv = 0xFF;//p_sys->clut[(hl.palette>>(16+i*4))&0x0f];
2658                                 uint8_t i_alpha = (i_palette>>(i*4))&0x0f;
2659                                 i_alpha = i_alpha == 0xf ? 0xff : i_alpha << 4;
2660
2661                                 p_sys->palette[i][0] = (i_yuv >> 16) & 0xff;
2662                                 p_sys->palette[i][1] = (i_yuv >> 0) & 0xff;
2663                                 p_sys->palette[i][2] = (i_yuv >> 8) & 0xff;
2664                                 p_sys->palette[i][3] = i_alpha;
2665                             }
2666
2667                             vlc_mutex_lock( p_mutex );
2668                             val.i_int = button_ptr.x_start; var_Set( p_sys->p_input, "x-start", val );
2669                             val.i_int = button_ptr.x_end;   var_Set( p_sys->p_input, "x-end",   val );
2670                             val.i_int = button_ptr.y_start; var_Set( p_sys->p_input, "y-start", val );
2671                             val.i_int = button_ptr.y_end;   var_Set( p_sys->p_input, "y-end",   val );
2672
2673                             val.p_address = (void *)p_sys->palette;
2674                             var_Set( p_sys->p_input, "menu-palette", val );
2675
2676                             val.b_bool = VLC_TRUE; var_Set( p_sys->p_input, "highlight", val );
2677                             vlc_mutex_unlock( p_mutex );
2678                         }
2679                     }
2680                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2681                     vlc_mutex_lock( &p_ev->lock );
2682                 }
2683             }
2684             else if( p_ev->b_moved )
2685             {
2686 //                dvdnav_mouse_select( NULL, pci, valx.i_int, valy.i_int );
2687             }
2688
2689             p_ev->b_moved = VLC_FALSE;
2690             p_ev->b_clicked = VLC_FALSE;
2691             vlc_mutex_unlock( &p_ev->lock );
2692         }
2693
2694         /* VOUT part */
2695         if( p_vout && p_vout->b_die )
2696         {
2697             var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2698             var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2699             vlc_object_release( p_vout );
2700             p_vout = NULL;
2701         }
2702
2703         else if( p_vout == NULL )
2704         {
2705             p_vout = (vlc_object_t*) vlc_object_find( p_sys->p_input, VLC_OBJECT_VOUT,
2706                                       FIND_CHILD );
2707             if( p_vout)
2708             {
2709                 var_AddCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2710                 var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2711             }
2712         }
2713
2714         /* Wait a bit, 10ms */
2715         msleep( 10000 );
2716     }
2717
2718     /* Release callback */
2719     if( p_vout )
2720     {
2721         var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2722         var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2723         vlc_object_release( p_vout );
2724     }
2725     var_DelCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2726
2727     vlc_mutex_destroy( &p_ev->lock );
2728
2729     return VLC_SUCCESS;
2730 }
2731
2732 void matroska_segment_c::UnSelect( )
2733 {
2734     size_t i_track;
2735
2736     for( i_track = 0; i_track < tracks.size(); i_track++ )
2737     {
2738         if ( tracks[i_track]->p_es != NULL )
2739         {
2740 //            es_format_Clean( &tracks[i_track]->fmt );
2741             es_out_Del( sys.demuxer.out, tracks[i_track]->p_es );
2742             tracks[i_track]->p_es = NULL;
2743         }
2744     }
2745     delete ep;
2746     ep = NULL;
2747 }
2748
2749 void virtual_segment_c::PrepareChapters( )
2750 {
2751     if ( linked_segments.size() == 0 )
2752         return;
2753
2754     // !!! should be called only once !!!
2755     matroska_segment_c *p_segment;
2756     size_t i, j;
2757
2758     // copy editions from the first segment
2759     p_segment = linked_segments[0];
2760     p_editions = &p_segment->stored_editions;
2761
2762     for ( i=1 ; i<linked_segments.size(); i++ )
2763     {
2764         p_segment = linked_segments[i];
2765         // FIXME assume we have the same editions in all segments
2766         for (j=0; j<p_segment->stored_editions.size(); j++)
2767             (*p_editions)[j]->Append( *p_segment->stored_editions[j] );
2768     }
2769 }
2770
2771 std::string chapter_edition_c::GetMainName() const
2772 {
2773     if ( sub_chapters.size() )
2774     {
2775         return sub_chapters[0]->GetCodecName( true );
2776     }
2777     return "";
2778 }
2779
2780 int chapter_item_c::PublishChapters( input_title_t & title, int & i_user_chapters, int i_level )
2781 {
2782     // add support for meta-elements from codec like DVD Titles
2783     if ( !b_display_seekpoint || psz_name == "" )
2784     {
2785         psz_name = GetCodecName();
2786         if ( psz_name != "" )
2787             b_display_seekpoint = true;
2788     }
2789
2790     if (b_display_seekpoint)
2791     {
2792         seekpoint_t *sk = vlc_seekpoint_New();
2793
2794         sk->i_level = i_level;
2795         sk->i_time_offset = i_start_time;
2796         sk->psz_name = strdup( psz_name.c_str() );
2797
2798         // A start time of '0' is ok. A missing ChapterTime element is ok, too, because '0' is its default value.
2799         title.i_seekpoint++;
2800         title.seekpoint = (seekpoint_t**)realloc( title.seekpoint, title.i_seekpoint * sizeof( seekpoint_t* ) );
2801         title.seekpoint[title.i_seekpoint-1] = sk;
2802
2803         if ( b_user_display )
2804             i_user_chapters++;
2805     }
2806
2807     for ( size_t i=0; i<sub_chapters.size() ; i++)
2808     {
2809         sub_chapters[i]->PublishChapters( title, i_user_chapters, i_level+1 );
2810     }
2811
2812     i_seekpoint_num = i_user_chapters;
2813
2814     return i_user_chapters;
2815 }
2816
2817 bool virtual_segment_c::UpdateCurrentToChapter( demux_t & demux )
2818 {
2819     demux_sys_t & sys = *demux.p_sys;
2820     chapter_item_c *psz_curr_chapter;
2821     bool b_has_seeked = false;
2822
2823     /* update current chapter/seekpoint */
2824     if ( p_editions->size() )
2825     {
2826         /* 1st, we need to know in which chapter we are */
2827         psz_curr_chapter = (*p_editions)[i_current_edition]->FindTimecode( sys.i_pts, psz_current_chapter );
2828
2829         /* we have moved to a new chapter */
2830         if (psz_curr_chapter != NULL && psz_current_chapter != psz_curr_chapter)
2831         {
2832             if ( (*p_editions)[i_current_edition]->b_ordered )
2833             {
2834                 // Leave/Enter up to the link point
2835                 b_has_seeked = psz_curr_chapter->EnterAndLeave( psz_current_chapter );
2836                 if ( !b_has_seeked )
2837                 {
2838                     // only physically seek if necessary
2839                     if ( psz_current_chapter == NULL || (psz_current_chapter->i_end_time != psz_curr_chapter->i_start_time) )
2840                         Seek( demux, sys.i_pts, 0, psz_curr_chapter );
2841                 }
2842             }
2843
2844             if ( !b_has_seeked )
2845             {
2846                 psz_current_chapter = psz_curr_chapter;
2847                 if ( psz_curr_chapter->i_seekpoint_num > 0 )
2848                 {
2849                     demux.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
2850                     demux.info.i_title = sys.i_current_title = i_sys_title;
2851                     demux.info.i_seekpoint = psz_curr_chapter->i_seekpoint_num - 1;
2852                 }
2853             }
2854
2855             return true;
2856         }
2857         else if (psz_curr_chapter == NULL)
2858         {
2859             // out of the scope of the data described by chapters, leave the edition
2860             if ( (*p_editions)[i_current_edition]->b_ordered && psz_current_chapter != NULL )
2861             {
2862                 if ( !(*p_editions)[i_current_edition]->EnterAndLeave( psz_current_chapter, false ) )
2863                     psz_current_chapter = NULL;
2864                 else
2865                     return true;
2866             }
2867         }
2868     }
2869     return false;
2870 }
2871
2872 chapter_item_c *virtual_segment_c::BrowseCodecPrivate( unsigned int codec_id,
2873                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
2874                                     const void *p_cookie,
2875                                     size_t i_cookie_size )
2876 {
2877     // FIXME don't assume it is the first edition
2878     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
2879     if ( index != p_editions->end() )
2880     {
2881         chapter_item_c *p_result = (*index)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
2882         if ( p_result != NULL )
2883             return p_result;
2884     }
2885     return NULL;
2886 }
2887
2888 chapter_item_c *virtual_segment_c::FindChapter( int64_t i_find_uid )
2889 {
2890     // FIXME don't assume it is the first edition
2891     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
2892     if ( index != p_editions->end() )
2893     {
2894         chapter_item_c *p_result = (*index)->FindChapter( i_find_uid );
2895         if ( p_result != NULL )
2896             return p_result;
2897     }
2898     return NULL;
2899 }
2900
2901 chapter_item_c *chapter_item_c::BrowseCodecPrivate( unsigned int codec_id,
2902                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
2903                                     const void *p_cookie,
2904                                     size_t i_cookie_size )
2905 {
2906     // this chapter
2907     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2908     while ( index != codecs.end() )
2909     {
2910         if ( match( **index ,p_cookie, i_cookie_size ) )
2911             return this;
2912         index++;
2913     }
2914
2915     // sub-chapters
2916     chapter_item_c *p_result = NULL;
2917     std::vector<chapter_item_c*>::const_iterator index2 = sub_chapters.begin();
2918     while ( index2 != sub_chapters.end() )
2919     {
2920         p_result = (*index2)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
2921         if ( p_result != NULL )
2922             return p_result;
2923         index2++;
2924     }
2925
2926     return p_result;
2927 }
2928
2929 void chapter_item_c::Append( const chapter_item_c & chapter )
2930 {
2931     // we are appending content for the same chapter UID
2932     size_t i;
2933     chapter_item_c *p_chapter;
2934
2935     for ( i=0; i<chapter.sub_chapters.size(); i++ )
2936     {
2937         p_chapter = FindChapter( chapter.sub_chapters[i]->i_uid );
2938         if ( p_chapter != NULL )
2939         {
2940             p_chapter->Append( *chapter.sub_chapters[i] );
2941         }
2942         else
2943         {
2944             sub_chapters.push_back( chapter.sub_chapters[i] );
2945         }
2946     }
2947
2948     i_user_start_time = min( i_user_start_time, chapter.i_user_start_time );
2949     i_user_end_time = max( i_user_end_time, chapter.i_user_end_time );
2950 }
2951
2952 chapter_item_c * chapter_item_c::FindChapter( int64_t i_find_uid )
2953 {
2954     size_t i;
2955     chapter_item_c *p_result = NULL;
2956
2957     if ( i_uid == i_find_uid )
2958         return this;
2959
2960     for ( i=0; i<sub_chapters.size(); i++)
2961     {
2962         p_result = sub_chapters[i]->FindChapter( i_find_uid );
2963         if ( p_result != NULL )
2964             break;
2965     }
2966     return p_result;
2967 }
2968
2969 std::string chapter_item_c::GetCodecName( bool f_for_title ) const
2970 {
2971     std::string result;
2972
2973     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2974     while ( index != codecs.end() )
2975     {
2976         result = (*index)->GetCodecName( f_for_title );
2977         if ( result != "" )
2978             break;
2979         index++;
2980     }
2981
2982     return result;
2983 }
2984
2985 std::string dvd_chapter_codec_c::GetCodecName( bool f_for_title ) const
2986 {
2987     std::string result;
2988     if ( p_private_data->GetSize() >= 3)
2989     {
2990         const binary* p_data = p_private_data->GetBuffer();
2991 /*        if ( p_data[0] == MATROSKA_DVD_LEVEL_TT )
2992         {
2993             uint16_t i_title = (p_data[1] << 8) + p_data[2];
2994             char psz_str[11];
2995             sprintf( psz_str, " %d  ---", i_title );
2996             result = N_("---  DVD Title");
2997             result += psz_str;
2998         }
2999         else */ if ( p_data[0] == MATROSKA_DVD_LEVEL_LU )
3000         {
3001             char psz_str[11];
3002             sprintf( psz_str, " (%c%c)  ---", p_data[1], p_data[2] );
3003             result = N_("---  DVD Menu");
3004             result += psz_str;
3005         }
3006         else if ( p_data[0] == MATROSKA_DVD_LEVEL_SS && f_for_title )
3007         {
3008             if ( p_data[1] == 0x00 )
3009                 result = N_("First Played");
3010             else if ( p_data[1] == 0xC0 )
3011                 result = N_("Video Manager");
3012             else if ( p_data[1] == 0x80 )
3013             {
3014                 uint16_t i_title = (p_data[2] << 8) + p_data[3];
3015                 char psz_str[20];
3016                 sprintf( psz_str, " %d -----", i_title );
3017                 result = N_("----- Title");
3018                 result += psz_str;
3019             }
3020         }
3021     }
3022
3023     return result;
3024 }
3025
3026 int16 chapter_item_c::GetTitleNumber( ) const
3027 {
3028     int result = -1;
3029
3030     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
3031     while ( index != codecs.end() )
3032     {
3033         result = (*index)->GetTitleNumber( );
3034         if ( result >= 0 )
3035             break;
3036         index++;
3037     }
3038
3039     return result;
3040 }
3041
3042 int16 dvd_chapter_codec_c::GetTitleNumber()
3043 {
3044     if ( p_private_data->GetSize() >= 3)
3045     {
3046         const binary* p_data = p_private_data->GetBuffer();
3047         if ( p_data[0] == MATROSKA_DVD_LEVEL_SS )
3048         {
3049             return int16( (p_data[2] << 8) + p_data[3] );
3050         }
3051     }
3052     return -1;
3053 }
3054
3055 static void Seek( demux_t *p_demux, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter )
3056 {
3057     demux_sys_t        *p_sys = p_demux->p_sys;
3058     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3059     matroska_segment_c *p_segment = p_vsegment->Segment();
3060     mtime_t            i_time_offset = 0;
3061
3062     int         i_index;
3063
3064     msg_Dbg( p_demux, "seek request to "I64Fd" (%f%%)", i_date, f_percent );
3065     if( i_date < 0 && f_percent < 0 )
3066     {
3067         msg_Warn( p_demux, "cannot seek nowhere !" );
3068         return;
3069     }
3070     if( f_percent > 1.0 )
3071     {
3072         msg_Warn( p_demux, "cannot seek so far !" );
3073         return;
3074     }
3075
3076     /* seek without index or without date */
3077     if( f_percent >= 0 && (config_GetInt( p_demux, "mkv-seek-percent" ) || !p_segment->b_cues || i_date < 0 ))
3078     {
3079         if (p_sys->f_duration >= 0)
3080         {
3081             i_date = int64_t( f_percent * p_sys->f_duration * 1000.0 );
3082         }
3083         else
3084         {
3085             int64_t i_pos = int64_t( f_percent * stream_Size( p_demux->s ) );
3086
3087             msg_Dbg( p_demux, "inacurate way of seeking" );
3088             for( i_index = 0; i_index < p_segment->i_index; i_index++ )
3089             {
3090                 if( p_segment->p_indexes[i_index].i_position >= i_pos)
3091                 {
3092                     break;
3093                 }
3094             }
3095             if( i_index == p_segment->i_index )
3096             {
3097                 i_index--;
3098             }
3099
3100             i_date = p_segment->p_indexes[i_index].i_time;
3101
3102 #if 0
3103             if( p_segment->p_indexes[i_index].i_position < i_pos )
3104             {
3105                 EbmlElement *el;
3106
3107                 msg_Warn( p_demux, "searching for cluster, could take some time" );
3108
3109                 /* search a cluster */
3110                 while( ( el = p_sys->ep->Get() ) != NULL )
3111                 {
3112                     if( MKV_IS_ID( el, KaxCluster ) )
3113                     {
3114                         KaxCluster *cluster = (KaxCluster*)el;
3115
3116                         /* add it to the index */
3117                         p_segment->IndexAppendCluster( cluster );
3118
3119                         if( (int64_t)cluster->GetElementPosition() >= i_pos )
3120                         {
3121                             p_sys->cluster = cluster;
3122                             p_sys->ep->Down();
3123                             break;
3124                         }
3125                     }
3126                 }
3127             }
3128 #endif
3129         }
3130     }
3131
3132     p_vsegment->Seek( *p_demux, i_date, i_time_offset, psz_chapter );
3133 }
3134
3135 /*****************************************************************************
3136  * Demux: reads and demuxes data packets
3137  *****************************************************************************
3138  * Returns -1 in case of error, 0 in case of EOF, 1 otherwise
3139  *****************************************************************************/
3140 static int Demux( demux_t *p_demux)
3141 {
3142     demux_sys_t        *p_sys = p_demux->p_sys;
3143
3144     vlc_mutex_lock( &p_sys->lock_demuxer );
3145
3146     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3147     matroska_segment_c *p_segment = p_vsegment->Segment();
3148     if ( p_segment == NULL ) return 0;
3149     int                i_block_count = 0;
3150     int                i_return = 0;
3151
3152     for( ;; )
3153     {
3154         if ( p_sys->demuxer.b_die )
3155             break;
3156
3157         if( p_sys->i_pts >= p_sys->i_start_pts  )
3158             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3159             {
3160                 i_return = 1;
3161                 break;
3162             }
3163
3164         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3165         {
3166             /* nothing left to read in this ordered edition */
3167             if ( !p_vsegment->SelectNext() )
3168                 break;
3169             p_segment->UnSelect( );
3170
3171             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3172
3173             /* switch to the next segment */
3174             p_segment = p_vsegment->Segment();
3175             if ( !p_segment->Select( 0 ) )
3176             {
3177                 msg_Err( p_demux, "Failed to select new segment" );
3178                 break;
3179             }
3180             continue;
3181         }
3182
3183         KaxBlock *block;
3184         int64_t i_block_duration = 0;
3185         int64_t i_block_ref1;
3186         int64_t i_block_ref2;
3187
3188         if( p_segment->BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
3189         {
3190             if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered )
3191             {
3192                 const chapter_item_c *p_chap = p_vsegment->CurrentChapter();
3193                 // check if there are more chapters to read
3194                 if ( p_chap != NULL )
3195                 {
3196                     /* TODO handle successive chapters with the same user_start_time/user_end_time
3197                     if ( p_chap->i_user_start_time == p_chap->i_user_start_time )
3198                         p_vsegment->SelectNext();
3199                     */
3200                     p_sys->i_last_dts = p_sys->i_pts = p_chap->i_user_end_time;
3201                     p_sys->i_pts++; // trick to avoid staying on segments with no duration and no content
3202
3203                     i_return = 1;
3204                 }
3205
3206                 break;
3207             }
3208             else
3209             {
3210                 msg_Warn( p_demux, "cannot get block EOF?" );
3211                 p_segment->UnSelect( );
3212
3213                 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3214
3215                 /* switch to the next segment */
3216                 if ( !p_vsegment->SelectNext() )
3217                     // no more segments in this stream
3218                     break;
3219                 p_segment = p_vsegment->Segment();
3220                 if ( !p_segment->Select( 0 ) )
3221                 {
3222                     msg_Err( p_demux, "Failed to select new segment" );
3223                     break;
3224                 }
3225
3226                 continue;
3227             }
3228         }
3229
3230         mtime_t i_pts, i_dts;
3231
3232         mtime_t i_time = block->GlobalTimecode();
3233         if ( i_block_ref1 != 0 )
3234             i_time += min( 0, i_block_ref1 );
3235         if ( i_block_ref2 != 0 )
3236             i_time += min( 0, i_block_ref2 );
3237
3238         i_pts = (p_sys->i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
3239         i_dts = (p_sys->i_chapter_time + i_time) / (mtime_t) 1000;
3240
3241         if ( i_dts != i_pts && p_sys->i_last_dts >= i_dts )
3242             p_sys->i_last_dts += 200;
3243         else
3244             p_sys->i_last_dts = i_dts;
3245
3246         p_sys->i_pts = i_pts;
3247
3248         if( p_sys->i_pts >= p_sys->i_start_pts  )
3249         {
3250             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pts );
3251         }
3252
3253         if( i_pts >= p_sys->i_start_pts  )
3254             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3255             {
3256                 i_return = 1;
3257                 delete block;
3258                 break;
3259             }
3260
3261         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3262         {
3263             /* nothing left to read in this ordered edition */
3264             if ( !p_vsegment->SelectNext() )
3265             {
3266                 delete block;
3267                 break;
3268             }
3269             p_segment->UnSelect( );
3270
3271             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3272
3273             /* switch to the next segment */
3274             p_segment = p_vsegment->Segment();
3275             if ( !p_segment->Select( 0 ) )
3276             {
3277                 msg_Err( p_demux, "Failed to select new segment" );
3278                 delete block;
3279                 break;
3280             }
3281             delete block;
3282             continue;
3283         }
3284
3285         BlockDecode( p_demux, block, i_pts, i_block_duration );
3286
3287         delete block;
3288         i_block_count++;
3289
3290         // TODO optimize when there is need to leave or when seeking has been called
3291         if( i_block_count > 5 )
3292         {
3293             i_return = 1;
3294             break;
3295         }
3296     }
3297
3298     vlc_mutex_unlock( &p_sys->lock_demuxer );
3299
3300     return i_return;
3301 }
3302
3303
3304
3305 /*****************************************************************************
3306  * Stream managment
3307  *****************************************************************************/
3308 vlc_stream_io_callback::vlc_stream_io_callback( stream_t *s_, vlc_bool_t b_owner_ )
3309 {
3310     s = s_;
3311     b_owner = b_owner_;
3312     mb_eof = VLC_FALSE;
3313 }
3314
3315 uint32 vlc_stream_io_callback::read( void *p_buffer, size_t i_size )
3316 {
3317     if( i_size <= 0 || mb_eof )
3318     {
3319         return 0;
3320     }
3321
3322     return stream_Read( s, p_buffer, i_size );
3323 }
3324 void vlc_stream_io_callback::setFilePointer(int64_t i_offset, seek_mode mode )
3325 {
3326     int64_t i_pos;
3327
3328     switch( mode )
3329     {
3330         case seek_beginning:
3331             i_pos = i_offset;
3332             break;
3333         case seek_end:
3334             i_pos = stream_Size( s ) - i_offset;
3335             break;
3336         default:
3337             i_pos= stream_Tell( s ) + i_offset;
3338             break;
3339     }
3340
3341     if( i_pos < 0 || i_pos >= stream_Size( s ) )
3342     {
3343         mb_eof = VLC_TRUE;
3344         return;
3345     }
3346
3347     mb_eof = VLC_FALSE;
3348     if( stream_Seek( s, i_pos ) )
3349     {
3350         mb_eof = VLC_TRUE;
3351     }
3352     return;
3353 }
3354 size_t vlc_stream_io_callback::write( const void *p_buffer, size_t i_size )
3355 {
3356     return 0;
3357 }
3358 uint64 vlc_stream_io_callback::getFilePointer( void )
3359 {
3360     if ( s == NULL )
3361         return 0;
3362     return stream_Tell( s );
3363 }
3364 void vlc_stream_io_callback::close( void )
3365 {
3366     return;
3367 }
3368
3369
3370 /*****************************************************************************
3371  * Ebml Stream parser
3372  *****************************************************************************/
3373 EbmlParser::EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux )
3374 {
3375     int i;
3376
3377     m_es = es;
3378     m_got = NULL;
3379     m_el[0] = el_start;
3380     mi_remain_size[0] = el_start->GetSize();
3381
3382     for( i = 1; i < 6; i++ )
3383     {
3384         m_el[i] = NULL;
3385     }
3386     mi_level = 1;
3387     mi_user_level = 1;
3388     mb_keep = VLC_FALSE;
3389     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3390 }
3391
3392 EbmlParser::~EbmlParser( void )
3393 {
3394     int i;
3395
3396     for( i = 1; i < mi_level; i++ )
3397     {
3398         if( !mb_keep )
3399         {
3400             delete m_el[i];
3401         }
3402         mb_keep = VLC_FALSE;
3403     }
3404 }
3405
3406 EbmlElement* EbmlParser::UnGet( uint64 i_block_pos, uint64 i_cluster_pos )
3407 {
3408     if ( mi_user_level > mi_level )
3409     {
3410         while ( mi_user_level != mi_level )
3411         {
3412             delete m_el[mi_user_level];
3413             m_el[mi_user_level] = NULL;
3414             mi_user_level--;
3415         }
3416     }
3417     m_got = NULL;
3418     mb_keep = VLC_FALSE;
3419     if ( m_el[1]->GetElementPosition() == i_cluster_pos )
3420     {
3421         m_es->I_O().setFilePointer( i_block_pos, seek_beginning );
3422         return (EbmlMaster*) m_el[1];
3423     }
3424     else
3425     {
3426         // seek to the previous Cluster
3427         m_es->I_O().setFilePointer( i_cluster_pos, seek_beginning );
3428         mi_level--;
3429         mi_user_level--;
3430         delete m_el[mi_level];
3431         m_el[mi_level] = NULL;
3432         return NULL;
3433     }
3434 }
3435
3436 void EbmlParser::Up( void )
3437 {
3438     if( mi_user_level == mi_level )
3439     {
3440         fprintf( stderr," arrrrrrrrrrrrrg Up cannot escape itself\n" );
3441     }
3442
3443     mi_user_level--;
3444 }
3445
3446 void EbmlParser::Down( void )
3447 {
3448     mi_user_level++;
3449     mi_level++;
3450 }
3451
3452 void EbmlParser::Keep( void )
3453 {
3454     mb_keep = VLC_TRUE;
3455 }
3456
3457 int EbmlParser::GetLevel( void )
3458 {
3459     return mi_user_level;
3460 }
3461
3462 void EbmlParser::Reset( demux_t *p_demux )
3463 {
3464     while ( mi_level > 0)
3465     {
3466         delete m_el[mi_level];
3467         m_el[mi_level] = NULL;
3468         mi_level--;
3469     }
3470     mi_user_level = mi_level = 1;
3471 #if LIBEBML_VERSION >= 0x000704
3472     // a little faster and cleaner
3473     m_es->I_O().setFilePointer( static_cast<KaxSegment*>(m_el[0])->GetGlobalPosition(0) );
3474 #else
3475     m_es->I_O().setFilePointer( m_el[0]->GetElementPosition() + m_el[0]->ElementSize(true) - m_el[0]->GetSize() );
3476 #endif
3477     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3478 }
3479
3480 EbmlElement *EbmlParser::Get( void )
3481 {
3482     int i_ulev = 0;
3483
3484     if( mi_user_level != mi_level )
3485     {
3486         return NULL;
3487     }
3488     if( m_got )
3489     {
3490         EbmlElement *ret = m_got;
3491         m_got = NULL;
3492
3493         return ret;
3494     }
3495
3496     if( m_el[mi_level] )
3497     {
3498         m_el[mi_level]->SkipData( *m_es, m_el[mi_level]->Generic().Context );
3499         if( !mb_keep )
3500         {
3501             delete m_el[mi_level];
3502         }
3503         mb_keep = VLC_FALSE;
3504     }
3505
3506     m_el[mi_level] = m_es->FindNextElement( m_el[mi_level - 1]->Generic().Context, i_ulev, 0xFFFFFFFFL, mb_dummy != 0, 1 );
3507 //    mi_remain_size[mi_level] = m_el[mi_level]->GetSize();
3508     if( i_ulev > 0 )
3509     {
3510         while( i_ulev > 0 )
3511         {
3512             if( mi_level == 1 )
3513             {
3514                 mi_level = 0;
3515                 return NULL;
3516             }
3517
3518             delete m_el[mi_level - 1];
3519             m_got = m_el[mi_level -1] = m_el[mi_level];
3520             m_el[mi_level] = NULL;
3521
3522             mi_level--;
3523             i_ulev--;
3524         }
3525         return NULL;
3526     }
3527     else if( m_el[mi_level] == NULL )
3528     {
3529         fprintf( stderr," m_el[mi_level] == NULL\n" );
3530     }
3531
3532     return m_el[mi_level];
3533 }
3534
3535
3536 /*****************************************************************************
3537  * Tools
3538  *  * LoadCues : load the cues element and update index
3539  *
3540  *  * LoadTags : load ... the tags element
3541  *
3542  *  * InformationCreate : create all information, load tags if present
3543  *
3544  *****************************************************************************/
3545 void matroska_segment_c::LoadCues( )
3546 {
3547     int64_t     i_sav_position = es.I_O().getFilePointer();
3548     EbmlParser  *ep;
3549     EbmlElement *el, *cues;
3550
3551     /* *** Load the cue if found *** */
3552     if( i_cues_position < 0 )
3553     {
3554         msg_Warn( &sys.demuxer, "no cues/empty cues found->seek won't be precise" );
3555
3556 //        IndexAppendCluster( cluster );
3557     }
3558
3559     vlc_bool_t b_seekable;
3560
3561     stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
3562     if( !b_seekable )
3563         return;
3564
3565     msg_Dbg( &sys.demuxer, "loading cues" );
3566     es.I_O().setFilePointer( i_cues_position, seek_beginning );
3567     cues = es.FindNextID( KaxCues::ClassInfos, 0xFFFFFFFFL);
3568
3569     if( cues == NULL )
3570     {
3571         msg_Err( &sys.demuxer, "cannot load cues (broken seekhead or file)" );
3572         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3573         return;
3574     }
3575
3576     ep = new EbmlParser( &es, cues, &sys.demuxer );
3577     while( ( el = ep->Get() ) != NULL )
3578     {
3579         if( MKV_IS_ID( el, KaxCuePoint ) )
3580         {
3581 #define idx p_indexes[i_index]
3582
3583             idx.i_track       = -1;
3584             idx.i_block_number= -1;
3585             idx.i_position    = -1;
3586             idx.i_time        = 0;
3587             idx.b_key         = VLC_TRUE;
3588
3589             ep->Down();
3590             while( ( el = ep->Get() ) != NULL )
3591             {
3592                 if( MKV_IS_ID( el, KaxCueTime ) )
3593                 {
3594                     KaxCueTime &ctime = *(KaxCueTime*)el;
3595
3596                     ctime.ReadData( es.I_O() );
3597
3598                     idx.i_time = uint64( ctime ) * i_timescale / (mtime_t)1000;
3599                 }
3600                 else if( MKV_IS_ID( el, KaxCueTrackPositions ) )
3601                 {
3602                     ep->Down();
3603                     while( ( el = ep->Get() ) != NULL )
3604                     {
3605                         if( MKV_IS_ID( el, KaxCueTrack ) )
3606                         {
3607                             KaxCueTrack &ctrack = *(KaxCueTrack*)el;
3608
3609                             ctrack.ReadData( es.I_O() );
3610                             idx.i_track = uint16( ctrack );
3611                         }
3612                         else if( MKV_IS_ID( el, KaxCueClusterPosition ) )
3613                         {
3614                             KaxCueClusterPosition &ccpos = *(KaxCueClusterPosition*)el;
3615
3616                             ccpos.ReadData( es.I_O() );
3617                             idx.i_position = segment->GetGlobalPosition( uint64( ccpos ) );
3618                         }
3619                         else if( MKV_IS_ID( el, KaxCueBlockNumber ) )
3620                         {
3621                             KaxCueBlockNumber &cbnum = *(KaxCueBlockNumber*)el;
3622
3623                             cbnum.ReadData( es.I_O() );
3624                             idx.i_block_number = uint32( cbnum );
3625                         }
3626                         else
3627                         {
3628                             msg_Dbg( &sys.demuxer, "         * Unknown (%s)", typeid(*el).name() );
3629                         }
3630                     }
3631                     ep->Up();
3632                 }
3633                 else
3634                 {
3635                     msg_Dbg( &sys.demuxer, "     * Unknown (%s)", typeid(*el).name() );
3636                 }
3637             }
3638             ep->Up();
3639
3640 #if 0
3641             msg_Dbg( &sys.demuxer, " * added time="I64Fd" pos="I64Fd
3642                      " track=%d bnum=%d", idx.i_time, idx.i_position,
3643                      idx.i_track, idx.i_block_number );
3644 #endif
3645
3646             i_index++;
3647             if( i_index >= i_index_max )
3648             {
3649                 i_index_max += 1024;
3650                 p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
3651             }
3652 #undef idx
3653         }
3654         else
3655         {
3656             msg_Dbg( &sys.demuxer, " * Unknown (%s)", typeid(*el).name() );
3657         }
3658     }
3659     delete ep;
3660     delete cues;
3661
3662     b_cues = VLC_TRUE;
3663
3664     msg_Dbg( &sys.demuxer, "loading cues done." );
3665     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3666 }
3667
3668 void matroska_segment_c::LoadTags( )
3669 {
3670     int64_t     i_sav_position = es.I_O().getFilePointer();
3671     EbmlParser  *ep;
3672     EbmlElement *el, *tags;
3673
3674     msg_Dbg( &sys.demuxer, "loading tags" );
3675     es.I_O().setFilePointer( i_tags_position, seek_beginning );
3676     tags = es.FindNextID( KaxTags::ClassInfos, 0xFFFFFFFFL);
3677
3678     if( tags == NULL )
3679     {
3680         msg_Err( &sys.demuxer, "cannot load tags (broken seekhead or file)" );
3681         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3682         return;
3683     }
3684
3685     msg_Dbg( &sys.demuxer, "Tags" );
3686     ep = new EbmlParser( &es, tags, &sys.demuxer );
3687     while( ( el = ep->Get() ) != NULL )
3688     {
3689         if( MKV_IS_ID( el, KaxTag ) )
3690         {
3691             msg_Dbg( &sys.demuxer, "+ Tag" );
3692             ep->Down();
3693             while( ( el = ep->Get() ) != NULL )
3694             {
3695                 if( MKV_IS_ID( el, KaxTagTargets ) )
3696                 {
3697                     msg_Dbg( &sys.demuxer, "|   + Targets" );
3698                     ep->Down();
3699                     while( ( el = ep->Get() ) != NULL )
3700                     {
3701                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3702                     }
3703                     ep->Up();
3704                 }
3705                 else if( MKV_IS_ID( el, KaxTagGeneral ) )
3706                 {
3707                     msg_Dbg( &sys.demuxer, "|   + General" );
3708                     ep->Down();
3709                     while( ( el = ep->Get() ) != NULL )
3710                     {
3711                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3712                     }
3713                     ep->Up();
3714                 }
3715                 else if( MKV_IS_ID( el, KaxTagGenres ) )
3716                 {
3717                     msg_Dbg( &sys.demuxer, "|   + Genres" );
3718                     ep->Down();
3719                     while( ( el = ep->Get() ) != NULL )
3720                     {
3721                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3722                     }
3723                     ep->Up();
3724                 }
3725                 else if( MKV_IS_ID( el, KaxTagAudioSpecific ) )
3726                 {
3727                     msg_Dbg( &sys.demuxer, "|   + Audio Specific" );
3728                     ep->Down();
3729                     while( ( el = ep->Get() ) != NULL )
3730                     {
3731                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3732                     }
3733                     ep->Up();
3734                 }
3735                 else if( MKV_IS_ID( el, KaxTagImageSpecific ) )
3736                 {
3737                     msg_Dbg( &sys.demuxer, "|   + Images Specific" );
3738                     ep->Down();
3739                     while( ( el = ep->Get() ) != NULL )
3740                     {
3741                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3742                     }
3743                     ep->Up();
3744                 }
3745                 else if( MKV_IS_ID( el, KaxTagMultiComment ) )
3746                 {
3747                     msg_Dbg( &sys.demuxer, "|   + Multi Comment" );
3748                 }
3749                 else if( MKV_IS_ID( el, KaxTagMultiCommercial ) )
3750                 {
3751                     msg_Dbg( &sys.demuxer, "|   + Multi Commercial" );
3752                 }
3753                 else if( MKV_IS_ID( el, KaxTagMultiDate ) )
3754                 {
3755                     msg_Dbg( &sys.demuxer, "|   + Multi Date" );
3756                 }
3757                 else if( MKV_IS_ID( el, KaxTagMultiEntity ) )
3758                 {
3759                     msg_Dbg( &sys.demuxer, "|   + Multi Entity" );
3760                 }
3761                 else if( MKV_IS_ID( el, KaxTagMultiIdentifier ) )
3762                 {
3763                     msg_Dbg( &sys.demuxer, "|   + Multi Identifier" );
3764                 }
3765                 else if( MKV_IS_ID( el, KaxTagMultiLegal ) )
3766                 {
3767                     msg_Dbg( &sys.demuxer, "|   + Multi Legal" );
3768                 }
3769                 else if( MKV_IS_ID( el, KaxTagMultiTitle ) )
3770                 {
3771                     msg_Dbg( &sys.demuxer, "|   + Multi Title" );
3772                 }
3773                 else
3774                 {
3775                     msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid( *el ).name() );
3776                 }
3777             }
3778             ep->Up();
3779         }
3780         else
3781         {
3782             msg_Dbg( &sys.demuxer, "+ Unknown (%s)", typeid( *el ).name() );
3783         }
3784     }
3785     delete ep;
3786     delete tags;
3787
3788     msg_Dbg( &sys.demuxer, "loading tags done." );
3789     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3790 }
3791
3792 /*****************************************************************************
3793  * ParseSeekHead:
3794  *****************************************************************************/
3795 void matroska_segment_c::ParseSeekHead( KaxSeekHead *seekhead )
3796 {
3797     EbmlElement *el;
3798     size_t i, j;
3799     int i_upper_level = 0;
3800
3801     msg_Dbg( &sys.demuxer, "|   + Seek head" );
3802
3803     /* Master elements */
3804     seekhead->Read( es, seekhead->Generic().Context, i_upper_level, el, true );
3805
3806     for( i = 0; i < seekhead->ListSize(); i++ )
3807     {
3808         EbmlElement *l = (*seekhead)[i];
3809
3810         if( MKV_IS_ID( l, KaxSeek ) )
3811         {
3812             EbmlMaster *sk = static_cast<EbmlMaster *>(l);
3813             EbmlId id = EbmlVoid::ClassInfos.GlobalId;
3814             int64_t i_pos = -1;
3815
3816             for( j = 0; j < sk->ListSize(); j++ )
3817             {
3818                 EbmlElement *l = (*sk)[j];
3819
3820                 if( MKV_IS_ID( l, KaxSeekID ) )
3821                 {
3822                     KaxSeekID &sid = *(KaxSeekID*)l;
3823                     id = EbmlId( sid.GetBuffer(), sid.GetSize() );
3824                 }
3825                 else if( MKV_IS_ID( l, KaxSeekPosition ) )
3826                 {
3827                     KaxSeekPosition &spos = *(KaxSeekPosition*)l;
3828                     i_pos = uint64( spos );
3829                 }
3830                 else
3831                 {
3832                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
3833                 }
3834             }
3835
3836             if( i_pos >= 0 )
3837             {
3838                 if( id == KaxCues::ClassInfos.GlobalId )
3839                 {
3840                     msg_Dbg( &sys.demuxer, "|   |   |   = cues at "I64Fd, i_pos );
3841                     i_cues_position = segment->GetGlobalPosition( i_pos );
3842                 }
3843                 else if( id == KaxChapters::ClassInfos.GlobalId )
3844                 {
3845                     msg_Dbg( &sys.demuxer, "|   |   |   = chapters at "I64Fd, i_pos );
3846                     i_chapters_position = segment->GetGlobalPosition( i_pos );
3847                 }
3848                 else if( id == KaxTags::ClassInfos.GlobalId )
3849                 {
3850                     msg_Dbg( &sys.demuxer, "|   |   |   = tags at "I64Fd, i_pos );
3851                     i_tags_position = segment->GetGlobalPosition( i_pos );
3852                 }
3853             }
3854         }
3855         else
3856         {
3857             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
3858         }
3859     }
3860 }
3861
3862 /*****************************************************************************
3863  * ParseTrackEntry:
3864  *****************************************************************************/
3865 void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
3866 {
3867     size_t i, j, k, n;
3868
3869     mkv_track_t *tk;
3870
3871     msg_Dbg( &sys.demuxer, "|   |   + Track Entry" );
3872
3873     tk = new mkv_track_t();
3874     tracks.push_back( tk );
3875
3876     /* Init the track */
3877     memset( tk, 0, sizeof( mkv_track_t ) );
3878
3879     es_format_Init( &tk->fmt, UNKNOWN_ES, 0 );
3880     tk->fmt.psz_language = strdup("English");
3881     tk->fmt.psz_description = NULL;
3882
3883     tk->b_default = VLC_TRUE;
3884     tk->b_enabled = VLC_TRUE;
3885     tk->b_silent = VLC_FALSE;
3886     tk->i_number = tracks.size() - 1;
3887     tk->i_extra_data = 0;
3888     tk->p_extra_data = NULL;
3889     tk->psz_codec = NULL;
3890     tk->i_default_duration = 0;
3891     tk->f_timecodescale = 1.0;
3892
3893     tk->b_inited = VLC_FALSE;
3894     tk->i_data_init = 0;
3895     tk->p_data_init = NULL;
3896
3897     tk->psz_codec_name = NULL;
3898     tk->psz_codec_settings = NULL;
3899     tk->psz_codec_info_url = NULL;
3900     tk->psz_codec_download_url = NULL;
3901
3902     tk->i_compression_type = MATROSKA_COMPRESSION_NONE;
3903
3904     for( i = 0; i < m->ListSize(); i++ )
3905     {
3906         EbmlElement *l = (*m)[i];
3907
3908         if( MKV_IS_ID( l, KaxTrackNumber ) )
3909         {
3910             KaxTrackNumber &tnum = *(KaxTrackNumber*)l;
3911
3912             tk->i_number = uint32( tnum );
3913             msg_Dbg( &sys.demuxer, "|   |   |   + Track Number=%u", uint32( tnum ) );
3914         }
3915         else  if( MKV_IS_ID( l, KaxTrackUID ) )
3916         {
3917             KaxTrackUID &tuid = *(KaxTrackUID*)l;
3918
3919             msg_Dbg( &sys.demuxer, "|   |   |   + Track UID=%u",  uint32( tuid ) );
3920         }
3921         else  if( MKV_IS_ID( l, KaxTrackType ) )
3922         {
3923             char *psz_type;
3924             KaxTrackType &ttype = *(KaxTrackType*)l;
3925
3926             switch( uint8(ttype) )
3927             {
3928                 case track_audio:
3929                     psz_type = "audio";
3930                     tk->fmt.i_cat = AUDIO_ES;
3931                     break;
3932                 case track_video:
3933                     psz_type = "video";
3934                     tk->fmt.i_cat = VIDEO_ES;
3935                     break;
3936                 case track_subtitle:
3937                     psz_type = "subtitle";
3938                     tk->fmt.i_cat = SPU_ES;
3939                     break;
3940                 case track_buttons:
3941                     psz_type = "buttons";
3942                     tk->fmt.i_cat = SPU_ES;
3943                     break;
3944                 default:
3945                     psz_type = "unknown";
3946                     tk->fmt.i_cat = UNKNOWN_ES;
3947                     break;
3948             }
3949
3950             msg_Dbg( &sys.demuxer, "|   |   |   + Track Type=%s", psz_type );
3951         }
3952 //        else  if( EbmlId( *l ) == KaxTrackFlagEnabled::ClassInfos.GlobalId )
3953 //        {
3954 //            KaxTrackFlagEnabled &fenb = *(KaxTrackFlagEnabled*)l;
3955
3956 //            tk->b_enabled = uint32( fenb );
3957 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Enabled=%u",
3958 //                     uint32( fenb )  );
3959 //        }
3960         else  if( MKV_IS_ID( l, KaxTrackFlagDefault ) )
3961         {
3962             KaxTrackFlagDefault &fdef = *(KaxTrackFlagDefault*)l;
3963
3964             tk->b_default = uint32( fdef );
3965             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default=%u", uint32( fdef )  );
3966         }
3967         else  if( MKV_IS_ID( l, KaxTrackFlagLacing ) )
3968         {
3969             KaxTrackFlagLacing &lac = *(KaxTrackFlagLacing*)l;
3970
3971             msg_Dbg( &sys.demuxer, "|   |   |   + Track Lacing=%d", uint32( lac ) );
3972         }
3973         else  if( MKV_IS_ID( l, KaxTrackMinCache ) )
3974         {
3975             KaxTrackMinCache &cmin = *(KaxTrackMinCache*)l;
3976
3977             msg_Dbg( &sys.demuxer, "|   |   |   + Track MinCache=%d", uint32( cmin ) );
3978         }
3979         else  if( MKV_IS_ID( l, KaxTrackMaxCache ) )
3980         {
3981             KaxTrackMaxCache &cmax = *(KaxTrackMaxCache*)l;
3982
3983             msg_Dbg( &sys.demuxer, "|   |   |   + Track MaxCache=%d", uint32( cmax ) );
3984         }
3985         else  if( MKV_IS_ID( l, KaxTrackDefaultDuration ) )
3986         {
3987             KaxTrackDefaultDuration &defd = *(KaxTrackDefaultDuration*)l;
3988
3989             tk->i_default_duration = uint64(defd);
3990             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default Duration="I64Fd, uint64(defd) );
3991         }
3992         else  if( MKV_IS_ID( l, KaxTrackTimecodeScale ) )
3993         {
3994             KaxTrackTimecodeScale &ttcs = *(KaxTrackTimecodeScale*)l;
3995
3996             tk->f_timecodescale = float( ttcs );
3997             msg_Dbg( &sys.demuxer, "|   |   |   + Track TimeCodeScale=%f", tk->f_timecodescale );
3998         }
3999         else if( MKV_IS_ID( l, KaxTrackName ) )
4000         {
4001             KaxTrackName &tname = *(KaxTrackName*)l;
4002
4003             tk->fmt.psz_description = ToUTF8( UTFstring( tname ) );
4004             msg_Dbg( &sys.demuxer, "|   |   |   + Track Name=%s", tk->fmt.psz_description );
4005         }
4006         else  if( MKV_IS_ID( l, KaxTrackLanguage ) )
4007         {
4008             KaxTrackLanguage &lang = *(KaxTrackLanguage*)l;
4009
4010             if ( tk->fmt.psz_language != NULL )
4011                 free( tk->fmt.psz_language );
4012             tk->fmt.psz_language = strdup( string( lang ).c_str() );
4013             msg_Dbg( &sys.demuxer,
4014                      "|   |   |   + Track Language=`%s'", tk->fmt.psz_language );
4015         }
4016         else  if( MKV_IS_ID( l, KaxCodecID ) )
4017         {
4018             KaxCodecID &codecid = *(KaxCodecID*)l;
4019
4020             tk->psz_codec = strdup( string( codecid ).c_str() );
4021             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecId=%s", string( codecid ).c_str() );
4022         }
4023         else  if( MKV_IS_ID( l, KaxCodecPrivate ) )
4024         {
4025             KaxCodecPrivate &cpriv = *(KaxCodecPrivate*)l;
4026
4027             tk->i_extra_data = cpriv.GetSize();
4028             if( tk->i_extra_data > 0 )
4029             {
4030                 tk->p_extra_data = (uint8_t*)malloc( tk->i_extra_data );
4031                 memcpy( tk->p_extra_data, cpriv.GetBuffer(), tk->i_extra_data );
4032             }
4033             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecPrivate size="I64Fd, cpriv.GetSize() );
4034         }
4035         else if( MKV_IS_ID( l, KaxCodecName ) )
4036         {
4037             KaxCodecName &cname = *(KaxCodecName*)l;
4038
4039             tk->psz_codec_name = ToUTF8( UTFstring( cname ) );
4040             msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Name=%s", tk->psz_codec_name );
4041         }
4042         else if( MKV_IS_ID( l, KaxContentEncodings ) )
4043         {
4044             EbmlMaster *cencs = static_cast<EbmlMaster*>(l);
4045             MkvTree( sys.demuxer, 3, "Content Encodings" );
4046             for( j = 0; j < cencs->ListSize(); j++ )
4047             {
4048                 EbmlElement *l2 = (*cencs)[j];
4049                 if( MKV_IS_ID( l2, KaxContentEncoding ) )
4050                 {
4051                     MkvTree( sys.demuxer, 4, "Content Encoding" );
4052                     EbmlMaster *cenc = static_cast<EbmlMaster*>(l2);
4053                     for( k = 0; k < cenc->ListSize(); k++ )
4054                     {
4055                         EbmlElement *l3 = (*cenc)[k];
4056                         if( MKV_IS_ID( l3, KaxContentEncodingOrder ) )
4057                         {
4058                             KaxContentEncodingOrder &encord = *(KaxContentEncodingOrder*)l3;
4059                             MkvTree( sys.demuxer, 5, "Order: %i", uint32( encord ) );
4060                         }
4061                         else if( MKV_IS_ID( l3, KaxContentEncodingScope ) )
4062                         {
4063                             KaxContentEncodingScope &encscope = *(KaxContentEncodingScope*)l3;
4064                             MkvTree( sys.demuxer, 5, "Scope: %i", uint32( encscope ) );
4065                         }
4066                         else if( MKV_IS_ID( l3, KaxContentEncodingType ) )
4067                         {
4068                             KaxContentEncodingType &enctype = *(KaxContentEncodingType*)l3;
4069                             MkvTree( sys.demuxer, 5, "Type: %i", uint32( enctype ) );
4070                         }
4071                         else if( MKV_IS_ID( l3, KaxContentCompression ) )
4072                         {
4073                             EbmlMaster *compr = static_cast<EbmlMaster*>(l3);
4074                             MkvTree( sys.demuxer, 5, "Content Compression" );
4075                             for( n = 0; n < compr->ListSize(); n++ )
4076                             {
4077                                 EbmlElement *l4 = (*compr)[n];
4078                                 if( MKV_IS_ID( l4, KaxContentCompAlgo ) )
4079                                 {
4080                                     KaxContentCompAlgo &compalg = *(KaxContentCompAlgo*)l4;
4081                                     MkvTree( sys.demuxer, 6, "Compression Algorithm: %i", uint32(compalg) );
4082                                     if( uint32( compalg ) == 0 )
4083                                     {
4084                                         tk->i_compression_type = MATROSKA_COMPRESSION_ZLIB;
4085                                     }
4086                                 }
4087                                 else
4088                                 {
4089                                     MkvTree( sys.demuxer, 6, "Unknown (%s)", typeid(*l4).name() );
4090                                 }
4091                             }
4092                         }
4093
4094                         else
4095                         {
4096                             MkvTree( sys.demuxer, 5, "Unknown (%s)", typeid(*l3).name() );
4097                         }
4098                     }
4099
4100                 }
4101                 else
4102                 {
4103                     MkvTree( sys.demuxer, 4, "Unknown (%s)", typeid(*l2).name() );
4104                 }
4105             }
4106
4107         }
4108 //        else if( EbmlId( *l ) == KaxCodecSettings::ClassInfos.GlobalId )
4109 //        {
4110 //            KaxCodecSettings &cset = *(KaxCodecSettings*)l;
4111
4112 //            tk->psz_codec_settings = ToUTF8( UTFstring( cset ) );
4113 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Settings=%s", tk->psz_codec_settings );
4114 //        }
4115 //        else if( EbmlId( *l ) == KaxCodecInfoURL::ClassInfos.GlobalId )
4116 //        {
4117 //            KaxCodecInfoURL &ciurl = *(KaxCodecInfoURL*)l;
4118
4119 //            tk->psz_codec_info_url = strdup( string( ciurl ).c_str() );
4120 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_info_url );
4121 //        }
4122 //        else if( EbmlId( *l ) == KaxCodecDownloadURL::ClassInfos.GlobalId )
4123 //        {
4124 //            KaxCodecDownloadURL &cdurl = *(KaxCodecDownloadURL*)l;
4125
4126 //            tk->psz_codec_download_url = strdup( string( cdurl ).c_str() );
4127 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_download_url );
4128 //        }
4129 //        else if( EbmlId( *l ) == KaxCodecDecodeAll::ClassInfos.GlobalId )
4130 //        {
4131 //            KaxCodecDecodeAll &cdall = *(KaxCodecDecodeAll*)l;
4132
4133 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Decode All=%u <== UNUSED", uint8( cdall ) );
4134 //        }
4135 //        else if( EbmlId( *l ) == KaxTrackOverlay::ClassInfos.GlobalId )
4136 //        {
4137 //            KaxTrackOverlay &tovr = *(KaxTrackOverlay*)l;
4138
4139 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Overlay=%u <== UNUSED", uint32( tovr ) );
4140 //        }
4141         else  if( MKV_IS_ID( l, KaxTrackVideo ) )
4142         {
4143             EbmlMaster *tkv = static_cast<EbmlMaster*>(l);
4144             unsigned int j;
4145
4146             msg_Dbg( &sys.demuxer, "|   |   |   + Track Video" );
4147             tk->f_fps = 0.0;
4148
4149             tk->fmt.video.i_frame_rate_base = (unsigned int)(tk->i_default_duration / 1000);
4150             tk->fmt.video.i_frame_rate = 1000000;
4151
4152             for( j = 0; j < tkv->ListSize(); j++ )
4153             {
4154                 EbmlElement *l = (*tkv)[j];
4155 //                if( EbmlId( *el4 ) == KaxVideoFlagInterlaced::ClassInfos.GlobalId )
4156 //                {
4157 //                    KaxVideoFlagInterlaced &fint = *(KaxVideoFlagInterlaced*)el4;
4158
4159 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Interlaced=%u", uint8( fint ) );
4160 //                }
4161 //                else if( EbmlId( *el4 ) == KaxVideoStereoMode::ClassInfos.GlobalId )
4162 //                {
4163 //                    KaxVideoStereoMode &stereo = *(KaxVideoStereoMode*)el4;
4164
4165 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Stereo Mode=%u", uint8( stereo ) );
4166 //                }
4167 //                else
4168                 if( MKV_IS_ID( l, KaxVideoPixelWidth ) )
4169                 {
4170                     KaxVideoPixelWidth &vwidth = *(KaxVideoPixelWidth*)l;
4171
4172                     tk->fmt.video.i_width = uint16( vwidth );
4173                     msg_Dbg( &sys.demuxer, "|   |   |   |   + width=%d", uint16( vwidth ) );
4174                 }
4175                 else if( MKV_IS_ID( l, KaxVideoPixelHeight ) )
4176                 {
4177                     KaxVideoPixelWidth &vheight = *(KaxVideoPixelWidth*)l;
4178
4179                     tk->fmt.video.i_height = uint16( vheight );
4180                     msg_Dbg( &sys.demuxer, "|   |   |   |   + height=%d", uint16( vheight ) );
4181                 }
4182                 else if( MKV_IS_ID( l, KaxVideoDisplayWidth ) )
4183                 {
4184                     KaxVideoDisplayWidth &vwidth = *(KaxVideoDisplayWidth*)l;
4185
4186                     tk->fmt.video.i_visible_width = uint16( vwidth );
4187                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display width=%d", uint16( vwidth ) );
4188                 }
4189                 else if( MKV_IS_ID( l, KaxVideoDisplayHeight ) )
4190                 {
4191                     KaxVideoDisplayWidth &vheight = *(KaxVideoDisplayWidth*)l;
4192
4193                     tk->fmt.video.i_visible_height = uint16( vheight );
4194                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display height=%d", uint16( vheight ) );
4195                 }
4196                 else if( MKV_IS_ID( l, KaxVideoFrameRate ) )
4197                 {
4198                     KaxVideoFrameRate &vfps = *(KaxVideoFrameRate*)l;
4199
4200                     tk->f_fps = float( vfps );
4201                     msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( vfps ) );
4202                 }
4203 //                else if( EbmlId( *l ) == KaxVideoDisplayUnit::ClassInfos.GlobalId )
4204 //                {
4205 //                     KaxVideoDisplayUnit &vdmode = *(KaxVideoDisplayUnit*)l;
4206
4207 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Display Unit=%s",
4208 //                             uint8( vdmode ) == 0 ? "pixels" : ( uint8( vdmode ) == 1 ? "centimeters": "inches" ) );
4209 //                }
4210 //                else if( EbmlId( *l ) == KaxVideoAspectRatio::ClassInfos.GlobalId )
4211 //                {
4212 //                    KaxVideoAspectRatio &ratio = *(KaxVideoAspectRatio*)l;
4213
4214 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + Track Video Aspect Ratio Type=%u", uint8( ratio ) );
4215 //                }
4216 //                else if( EbmlId( *l ) == KaxVideoGamma::ClassInfos.GlobalId )
4217 //                {
4218 //                    KaxVideoGamma &gamma = *(KaxVideoGamma*)l;
4219
4220 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( gamma ) );
4221 //                }
4222                 else
4223                 {
4224                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4225                 }
4226             }
4227             if ( tk->fmt.video.i_visible_height && tk->fmt.video.i_visible_width )
4228                 tk->fmt.video.i_aspect = VOUT_ASPECT_FACTOR * tk->fmt.video.i_visible_width / tk->fmt.video.i_visible_height;
4229         }
4230         else  if( MKV_IS_ID( l, KaxTrackAudio ) )
4231         {
4232             EbmlMaster *tka = static_cast<EbmlMaster*>(l);
4233             unsigned int j;
4234
4235             msg_Dbg( &sys.demuxer, "|   |   |   + Track Audio" );
4236
4237             for( j = 0; j < tka->ListSize(); j++ )
4238             {
4239                 EbmlElement *l = (*tka)[j];
4240
4241                 if( MKV_IS_ID( l, KaxAudioSamplingFreq ) )
4242                 {
4243                     KaxAudioSamplingFreq &afreq = *(KaxAudioSamplingFreq*)l;
4244
4245                     tk->fmt.audio.i_rate = (int)float( afreq );
4246                     msg_Dbg( &sys.demuxer, "|   |   |   |   + afreq=%d", tk->fmt.audio.i_rate );
4247                 }
4248                 else if( MKV_IS_ID( l, KaxAudioChannels ) )
4249                 {
4250                     KaxAudioChannels &achan = *(KaxAudioChannels*)l;
4251
4252                     tk->fmt.audio.i_channels = uint8( achan );
4253                     msg_Dbg( &sys.demuxer, "|   |   |   |   + achan=%u", uint8( achan ) );
4254                 }
4255                 else if( MKV_IS_ID( l, KaxAudioBitDepth ) )
4256                 {
4257                     KaxAudioBitDepth &abits = *(KaxAudioBitDepth*)l;
4258
4259                     tk->fmt.audio.i_bitspersample = uint8( abits );
4260                     msg_Dbg( &sys.demuxer, "|   |   |   |   + abits=%u", uint8( abits ) );
4261                 }
4262                 else
4263                 {
4264                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4265                 }
4266             }
4267         }
4268         else
4269         {
4270             msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)",
4271                      typeid(*l).name() );
4272         }
4273     }
4274 }
4275
4276 /*****************************************************************************
4277  * ParseTracks:
4278  *****************************************************************************/
4279 void matroska_segment_c::ParseTracks( KaxTracks *tracks )
4280 {
4281     EbmlElement *el;
4282     unsigned int i;
4283     int i_upper_level = 0;
4284
4285     msg_Dbg( &sys.demuxer, "|   + Tracks" );
4286
4287     /* Master elements */
4288     tracks->Read( es, tracks->Generic().Context, i_upper_level, el, true );
4289
4290     for( i = 0; i < tracks->ListSize(); i++ )
4291     {
4292         EbmlElement *l = (*tracks)[i];
4293
4294         if( MKV_IS_ID( l, KaxTrackEntry ) )
4295         {
4296             ParseTrackEntry( static_cast<KaxTrackEntry *>(l) );
4297         }
4298         else
4299         {
4300             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4301         }
4302     }
4303 }
4304
4305 /*****************************************************************************
4306  * ParseInfo:
4307  *****************************************************************************/
4308 void matroska_segment_c::ParseInfo( KaxInfo *info )
4309 {
4310     EbmlElement *el;
4311     EbmlMaster  *m;
4312     size_t i, j;
4313     int i_upper_level = 0;
4314
4315     msg_Dbg( &sys.demuxer, "|   + Information" );
4316
4317     /* Master elements */
4318     m = static_cast<EbmlMaster *>(info);
4319     m->Read( es, info->Generic().Context, i_upper_level, el, true );
4320
4321     for( i = 0; i < m->ListSize(); i++ )
4322     {
4323         EbmlElement *l = (*m)[i];
4324
4325         if( MKV_IS_ID( l, KaxSegmentUID ) )
4326         {
4327             if ( p_segment_uid == NULL )
4328                 p_segment_uid = new KaxSegmentUID(*static_cast<KaxSegmentUID*>(l));
4329
4330             msg_Dbg( &sys.demuxer, "|   |   + UID=%d", *(uint32*)p_segment_uid->GetBuffer() );
4331         }
4332         else if( MKV_IS_ID( l, KaxPrevUID ) )
4333         {
4334             if ( p_prev_segment_uid == NULL )
4335                 p_prev_segment_uid = new KaxPrevUID(*static_cast<KaxPrevUID*>(l));
4336
4337             msg_Dbg( &sys.demuxer, "|   |   + PrevUID=%d", *(uint32*)p_prev_segment_uid->GetBuffer() );
4338         }
4339         else if( MKV_IS_ID( l, KaxNextUID ) )
4340         {
4341             if ( p_next_segment_uid == NULL )
4342                 p_next_segment_uid = new KaxNextUID(*static_cast<KaxNextUID*>(l));
4343
4344             msg_Dbg( &sys.demuxer, "|   |   + NextUID=%d", *(uint32*)p_next_segment_uid->GetBuffer() );
4345         }
4346         else if( MKV_IS_ID( l, KaxTimecodeScale ) )
4347         {
4348             KaxTimecodeScale &tcs = *(KaxTimecodeScale*)l;
4349
4350             i_timescale = uint64(tcs);
4351
4352             msg_Dbg( &sys.demuxer, "|   |   + TimecodeScale="I64Fd,
4353                      i_timescale );
4354         }
4355         else if( MKV_IS_ID( l, KaxDuration ) )
4356         {
4357             KaxDuration &dur = *(KaxDuration*)l;
4358
4359             i_duration = mtime_t( double( dur ) );
4360
4361             msg_Dbg( &sys.demuxer, "|   |   + Duration="I64Fd,
4362                      i_duration );
4363         }
4364         else if( MKV_IS_ID( l, KaxMuxingApp ) )
4365         {
4366             KaxMuxingApp &mapp = *(KaxMuxingApp*)l;
4367
4368             psz_muxing_application = ToUTF8( UTFstring( mapp ) );
4369
4370             msg_Dbg( &sys.demuxer, "|   |   + Muxing Application=%s",
4371                      psz_muxing_application );
4372         }
4373         else if( MKV_IS_ID( l, KaxWritingApp ) )
4374         {
4375             KaxWritingApp &wapp = *(KaxWritingApp*)l;
4376
4377             psz_writing_application = ToUTF8( UTFstring( wapp ) );
4378
4379             msg_Dbg( &sys.demuxer, "|   |   + Writing Application=%s",
4380                      psz_writing_application );
4381         }
4382         else if( MKV_IS_ID( l, KaxSegmentFilename ) )
4383         {
4384             KaxSegmentFilename &sfn = *(KaxSegmentFilename*)l;
4385
4386             psz_segment_filename = ToUTF8( UTFstring( sfn ) );
4387
4388             msg_Dbg( &sys.demuxer, "|   |   + Segment Filename=%s",
4389                      psz_segment_filename );
4390         }
4391         else if( MKV_IS_ID( l, KaxTitle ) )
4392         {
4393             KaxTitle &title = *(KaxTitle*)l;
4394
4395             psz_title = ToUTF8( UTFstring( title ) );
4396
4397             msg_Dbg( &sys.demuxer, "|   |   + Title=%s", psz_title );
4398         }
4399         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
4400         {
4401             KaxSegmentFamily *uid = static_cast<KaxSegmentFamily*>(l);
4402
4403             families.push_back( new KaxSegmentFamily(*uid) );
4404
4405             msg_Dbg( &sys.demuxer, "|   |   + family=%d", *(uint32*)uid->GetBuffer() );
4406         }
4407 #if defined( HAVE_GMTIME_R ) && !defined( SYS_DARWIN )
4408         else if( MKV_IS_ID( l, KaxDateUTC ) )
4409         {
4410             KaxDateUTC &date = *(KaxDateUTC*)l;
4411             time_t i_date;
4412             struct tm tmres;
4413             char   buffer[256];
4414
4415             i_date = date.GetEpochDate();
4416             memset( buffer, 0, 256 );
4417             if( gmtime_r( &i_date, &tmres ) &&
4418                 asctime_r( &tmres, buffer ) )
4419             {
4420                 buffer[strlen( buffer)-1]= '\0';
4421                 psz_date_utc = strdup( buffer );
4422                 msg_Dbg( &sys.demuxer, "|   |   + Date=%s", psz_date_utc );
4423             }
4424         }
4425 #endif
4426 #if LIBMATROSKA_VERSION >= 0x000704
4427         else if( MKV_IS_ID( l, KaxChapterTranslate ) )
4428         {
4429             KaxChapterTranslate *p_trans = static_cast<KaxChapterTranslate*>( l );
4430             chapter_translation_c *p_translate = new chapter_translation_c();
4431
4432             p_trans->Read( es, p_trans->Generic().Context, i_upper_level, el, true );
4433             for( j = 0; j < p_trans->ListSize(); j++ )
4434             {
4435                 EbmlElement *l = (*p_trans)[j];
4436
4437                 if( MKV_IS_ID( l, KaxChapterTranslateEditionUID ) )
4438                 {
4439                     p_translate->editions.push_back( uint64( *static_cast<KaxChapterTranslateEditionUID*>( l ) ) );
4440                 }
4441                 else if( MKV_IS_ID( l, KaxChapterTranslateCodec ) )
4442                 {
4443                     p_translate->codec_id = uint32( *static_cast<KaxChapterTranslateCodec*>( l ) );
4444                 }
4445                 else if( MKV_IS_ID( l, KaxChapterTranslateID ) )
4446                 {
4447                     p_translate->p_translated = new KaxChapterTranslateID( *static_cast<KaxChapterTranslateID*>( l ) );
4448                 }
4449             }
4450
4451             translations.push_back( p_translate );
4452         }
4453 #endif
4454         else
4455         {
4456             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4457         }
4458     }
4459
4460     double f_dur = double(i_duration) * double(i_timescale) / 1000000.0;
4461     i_duration = mtime_t(f_dur);
4462 }
4463
4464
4465 /*****************************************************************************
4466  * ParseChapterAtom
4467  *****************************************************************************/
4468 void matroska_segment_c::ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters )
4469 {
4470     size_t i, j;
4471
4472     msg_Dbg( &sys.demuxer, "|   |   |   + ChapterAtom (level=%d)", i_level );
4473     for( i = 0; i < ca->ListSize(); i++ )
4474     {
4475         EbmlElement *l = (*ca)[i];
4476
4477         if( MKV_IS_ID( l, KaxChapterUID ) )
4478         {
4479             chapters.i_uid = uint64_t(*(KaxChapterUID*)l);
4480             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterUID: %lld", chapters.i_uid );
4481         }
4482         else if( MKV_IS_ID( l, KaxChapterFlagHidden ) )
4483         {
4484             KaxChapterFlagHidden &flag =*(KaxChapterFlagHidden*)l;
4485             chapters.b_display_seekpoint = uint8( flag ) == 0;
4486
4487             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterFlagHidden: %s", chapters.b_display_seekpoint ? "no":"yes" );
4488         }
4489         else if( MKV_IS_ID( l, KaxChapterTimeStart ) )
4490         {
4491             KaxChapterTimeStart &start =*(KaxChapterTimeStart*)l;
4492             chapters.i_start_time = uint64( start ) / I64C(1000);
4493
4494             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeStart: %lld", chapters.i_start_time );
4495         }
4496         else if( MKV_IS_ID( l, KaxChapterTimeEnd ) )
4497         {
4498             KaxChapterTimeEnd &end =*(KaxChapterTimeEnd*)l;
4499             chapters.i_end_time = uint64( end ) / I64C(1000);
4500
4501             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeEnd: %lld", chapters.i_end_time );
4502         }
4503         else if( MKV_IS_ID( l, KaxChapterDisplay ) )
4504         {
4505             EbmlMaster *cd = static_cast<EbmlMaster *>(l);
4506
4507             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterDisplay" );
4508             for( j = 0; j < cd->ListSize(); j++ )
4509             {
4510                 EbmlElement *l= (*cd)[j];
4511
4512                 if( MKV_IS_ID( l, KaxChapterString ) )
4513                 {
4514                     int k;
4515
4516                     KaxChapterString &name =*(KaxChapterString*)l;
4517                     for (k = 0; k < i_level; k++)
4518                         chapters.psz_name += '+';
4519                     chapters.psz_name += ' ';
4520                     char *psz_tmp_utf8 = ToUTF8( UTFstring( name ) );
4521                     chapters.psz_name += psz_tmp_utf8;
4522                     chapters.b_user_display = true;
4523
4524                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterString '%s'", psz_tmp_utf8 );
4525                     free( psz_tmp_utf8 );
4526                 }
4527                 else if( MKV_IS_ID( l, KaxChapterLanguage ) )
4528                 {
4529                     KaxChapterLanguage &lang =*(KaxChapterLanguage*)l;
4530                     const char *psz = string( lang ).c_str();
4531
4532                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterLanguage '%s'", psz );
4533                 }
4534                 else if( MKV_IS_ID( l, KaxChapterCountry ) )
4535                 {
4536                     KaxChapterCountry &ct =*(KaxChapterCountry*)l;
4537                     const char *psz = string( ct ).c_str();
4538
4539                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterCountry '%s'", psz );
4540                 }
4541             }
4542         }
4543         else if( MKV_IS_ID( l, KaxChapterProcess ) )
4544         {
4545             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterProcess" );
4546
4547             KaxChapterProcess *cp = static_cast<KaxChapterProcess *>(l);
4548             chapter_codec_cmds_c *p_ccodec = NULL;
4549
4550             for( j = 0; j < cp->ListSize(); j++ )
4551             {
4552                 EbmlElement *k= (*cp)[j];
4553
4554                 if( MKV_IS_ID( k, KaxChapterProcessCodecID ) )
4555                 {
4556                     KaxChapterProcessCodecID *p_codec_id = static_cast<KaxChapterProcessCodecID*>( k );
4557                     if ( uint32(*p_codec_id) == 0 )
4558                         p_ccodec = new matroska_script_codec_c( sys );
4559                     else if ( uint32(*p_codec_id) == 1 )
4560                         p_ccodec = new dvd_chapter_codec_c( sys );
4561                     break;
4562                 }
4563             }
4564
4565             if ( p_ccodec != NULL )
4566             {
4567                 for( j = 0; j < cp->ListSize(); j++ )
4568                 {
4569                     EbmlElement *k= (*cp)[j];
4570
4571                     if( MKV_IS_ID( k, KaxChapterProcessPrivate ) )
4572                     {
4573                         KaxChapterProcessPrivate * p_private = static_cast<KaxChapterProcessPrivate*>( k );
4574                         p_ccodec->SetPrivate( *p_private );
4575                     }
4576                     else if( MKV_IS_ID( k, KaxChapterProcessCommand ) )
4577                     {
4578                         p_ccodec->AddCommand( *static_cast<KaxChapterProcessCommand*>( k ) );
4579                     }
4580                 }
4581                 chapters.codecs.push_back( p_ccodec );
4582             }
4583         }
4584         else if( MKV_IS_ID( l, KaxChapterAtom ) )
4585         {
4586             chapter_item_c *new_sub_chapter = new chapter_item_c();
4587             ParseChapterAtom( i_level+1, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4588             new_sub_chapter->psz_parent = &chapters;
4589             chapters.sub_chapters.push_back( new_sub_chapter );
4590         }
4591     }
4592 }
4593
4594 /*****************************************************************************
4595  * ParseChapters:
4596  *****************************************************************************/
4597 void matroska_segment_c::ParseChapters( KaxChapters *chapters )
4598 {
4599     EbmlElement *el;
4600     size_t i;
4601     int i_upper_level = 0;
4602     mtime_t i_dur;
4603
4604     /* Master elements */
4605     chapters->Read( es, chapters->Generic().Context, i_upper_level, el, true );
4606
4607     for( i = 0; i < chapters->ListSize(); i++ )
4608     {
4609         EbmlElement *l = (*chapters)[i];
4610
4611         if( MKV_IS_ID( l, KaxEditionEntry ) )
4612         {
4613             chapter_edition_c *p_edition = new chapter_edition_c();
4614
4615             EbmlMaster *E = static_cast<EbmlMaster *>(l );
4616             size_t j;
4617             msg_Dbg( &sys.demuxer, "|   |   + EditionEntry" );
4618             for( j = 0; j < E->ListSize(); j++ )
4619             {
4620                 EbmlElement *l = (*E)[j];
4621
4622                 if( MKV_IS_ID( l, KaxChapterAtom ) )
4623                 {
4624                     chapter_item_c *new_sub_chapter = new chapter_item_c();
4625                     ParseChapterAtom( 0, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4626                     p_edition->sub_chapters.push_back( new_sub_chapter );
4627                 }
4628                 else if( MKV_IS_ID( l, KaxEditionUID ) )
4629                 {
4630                     p_edition->i_uid = uint64(*static_cast<KaxEditionUID *>( l ));
4631                 }
4632                 else if( MKV_IS_ID( l, KaxEditionFlagOrdered ) )
4633                 {
4634                     p_edition->b_ordered = config_GetInt( &sys.demuxer, "mkv-use-ordered-chapters" ) ? (uint8(*static_cast<KaxEditionFlagOrdered *>( l )) != 0) : 0;
4635                 }
4636                 else if( MKV_IS_ID( l, KaxEditionFlagDefault ) )
4637                 {
4638                     if (uint8(*static_cast<KaxEditionFlagDefault *>( l )) != 0)
4639                         i_default_edition = stored_editions.size();
4640                 }
4641                 else
4642                 {
4643                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
4644                 }
4645             }
4646             stored_editions.push_back( p_edition );
4647         }
4648         else
4649         {
4650             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4651         }
4652     }
4653
4654     for( i = 0; i < stored_editions.size(); i++ )
4655     {
4656         stored_editions[i]->RefreshChapters( );
4657     }
4658
4659     if ( stored_editions.size() != 0 && stored_editions[i_default_edition]->b_ordered )
4660     {
4661         /* update the duration of the segment according to the sum of all sub chapters */
4662         i_dur = stored_editions[i_default_edition]->Duration() / I64C(1000);
4663         if (i_dur > 0)
4664             i_duration = i_dur;
4665     }
4666 }
4667
4668 void matroska_segment_c::ParseCluster( )
4669 {
4670     EbmlElement *el;
4671     EbmlMaster  *m;
4672     unsigned int i;
4673     int i_upper_level = 0;
4674
4675     /* Master elements */
4676     m = static_cast<EbmlMaster *>( cluster );
4677     m->Read( es, cluster->Generic().Context, i_upper_level, el, true );
4678
4679     for( i = 0; i < m->ListSize(); i++ )
4680     {
4681         EbmlElement *l = (*m)[i];
4682
4683         if( MKV_IS_ID( l, KaxClusterTimecode ) )
4684         {
4685             KaxClusterTimecode &ctc = *(KaxClusterTimecode*)l;
4686
4687             cluster->InitTimecode( uint64( ctc ), i_timescale );
4688             break;
4689         }
4690     }
4691
4692     i_start_time = cluster->GlobalTimecode() / 1000;
4693 }
4694
4695 /*****************************************************************************
4696  * InformationCreate:
4697  *****************************************************************************/
4698 void matroska_segment_c::InformationCreate( )
4699 {
4700     size_t      i_track;
4701
4702     sys.meta = vlc_meta_New();
4703
4704     if( psz_title )
4705     {
4706         vlc_meta_Add( sys.meta, VLC_META_TITLE, psz_title );
4707     }
4708     if( psz_date_utc )
4709     {
4710         vlc_meta_Add( sys.meta, VLC_META_DATE, psz_date_utc );
4711     }
4712     if( psz_segment_filename )
4713     {
4714         vlc_meta_Add( sys.meta, _("Segment filename"), psz_segment_filename );
4715     }
4716     if( psz_muxing_application )
4717     {
4718         vlc_meta_Add( sys.meta, _("Muxing application"), psz_muxing_application );
4719     }
4720     if( psz_writing_application )
4721     {
4722         vlc_meta_Add( sys.meta, _("Writing application"), psz_writing_application );
4723     }
4724
4725     for( i_track = 0; i_track < tracks.size(); i_track++ )
4726     {
4727         mkv_track_t *tk = tracks[i_track];
4728         vlc_meta_t *mtk = vlc_meta_New();
4729
4730         sys.meta->track = (vlc_meta_t**)realloc( sys.meta->track,
4731                                                     sizeof( vlc_meta_t * ) * ( sys.meta->i_track + 1 ) );
4732         sys.meta->track[sys.meta->i_track++] = mtk;
4733
4734         if( tk->fmt.psz_description )
4735         {
4736             vlc_meta_Add( sys.meta, VLC_META_DESCRIPTION, tk->fmt.psz_description );
4737         }
4738         if( tk->psz_codec_name )
4739         {
4740             vlc_meta_Add( sys.meta, VLC_META_CODEC_NAME, tk->psz_codec_name );
4741         }
4742         if( tk->psz_codec_settings )
4743         {
4744             vlc_meta_Add( sys.meta, VLC_META_SETTING, tk->psz_codec_settings );
4745         }
4746         if( tk->psz_codec_info_url )
4747         {
4748             vlc_meta_Add( sys.meta, VLC_META_CODEC_DESCRIPTION, tk->psz_codec_info_url );
4749         }
4750         if( tk->psz_codec_download_url )
4751         {
4752             vlc_meta_Add( sys.meta, VLC_META_URL, tk->psz_codec_download_url );
4753         }
4754     }
4755
4756     if( i_tags_position >= 0 )
4757     {
4758         vlc_bool_t b_seekable;
4759
4760         stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
4761         if( b_seekable )
4762         {
4763             LoadTags( );
4764         }
4765     }
4766 }
4767
4768
4769 /*****************************************************************************
4770  * Divers
4771  *****************************************************************************/
4772
4773 void matroska_segment_c::IndexAppendCluster( KaxCluster *cluster )
4774 {
4775 #define idx p_indexes[i_index]
4776     idx.i_track       = -1;
4777     idx.i_block_number= -1;
4778     idx.i_position    = cluster->GetElementPosition();
4779     idx.i_time        = -1;
4780     idx.b_key         = VLC_TRUE;
4781
4782     i_index++;
4783     if( i_index >= i_index_max )
4784     {
4785         i_index_max += 1024;
4786         p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
4787     }
4788 #undef idx
4789 }
4790
4791 void chapter_edition_c::RefreshChapters( )
4792 {
4793     chapter_item_c::RefreshChapters( b_ordered, -1 );
4794     b_display_seekpoint = false;
4795 }
4796
4797 int64_t chapter_item_c::RefreshChapters( bool b_ordered, int64_t i_prev_user_time )
4798 {
4799     int64_t i_user_time = i_prev_user_time;
4800
4801     // first the sub-chapters, and then ourself
4802     std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
4803     while ( index != sub_chapters.end() )
4804     {
4805         i_user_time = (*index)->RefreshChapters( b_ordered, i_user_time );
4806         index++;
4807     }
4808
4809     if ( b_ordered )
4810     {
4811         // the ordered chapters always start at zero
4812         if ( i_prev_user_time == -1 )
4813         {
4814             if ( i_user_time == -1 )
4815                 i_user_time = 0;
4816             i_prev_user_time = 0;
4817         }
4818
4819         i_user_start_time = i_prev_user_time;
4820         if ( i_end_time != -1 && i_user_time == i_prev_user_time )
4821         {
4822             i_user_end_time = i_user_start_time - i_start_time + i_end_time;
4823         }
4824         else
4825         {
4826             i_user_end_time = i_user_time;
4827         }
4828     }
4829     else
4830     {
4831         if ( sub_chapters.begin() != sub_chapters.end() )
4832             std::sort( sub_chapters.begin(), sub_chapters.end(), chapter_item_c::CompareTimecode );
4833         i_user_start_time = i_start_time;
4834         if ( i_end_time != -1 )
4835             i_user_end_time = i_end_time;
4836         else if ( i_user_time != -1 )
4837             i_user_end_time = i_user_time;
4838         else
4839             i_user_end_time = i_user_start_time;
4840     }
4841
4842     return i_user_end_time;
4843 }
4844
4845 mtime_t chapter_edition_c::Duration() const
4846 {
4847     mtime_t i_result = 0;
4848
4849     if ( sub_chapters.size() )
4850     {
4851         std::vector<chapter_item_c*>::const_iterator index = sub_chapters.end();
4852         index--;
4853         i_result = (*index)->i_user_end_time;
4854     }
4855
4856     return i_result;
4857 }
4858
4859 chapter_item_c * chapter_edition_c::FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current )
4860 {
4861     if ( !b_ordered )
4862         p_current = NULL;
4863     bool b_found_current = false;
4864     return chapter_item_c::FindTimecode( i_timecode, p_current, b_found_current );
4865 }
4866
4867 chapter_item_c *chapter_item_c::FindTimecode( mtime_t i_user_timecode, const chapter_item_c * p_current, bool & b_found )
4868 {
4869     chapter_item_c *psz_result = NULL;
4870
4871     if ( p_current == this )
4872         b_found = true;
4873
4874     if ( i_user_timecode >= i_user_start_time &&
4875         ( i_user_timecode < i_user_end_time ||
4876           ( i_user_start_time == i_user_end_time && i_user_timecode == i_user_end_time )))
4877     {
4878         std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
4879         while ( index != sub_chapters.end() && ((p_current == NULL && psz_result == NULL) || (p_current != NULL && (!b_found || psz_result == NULL))))
4880         {
4881             psz_result = (*index)->FindTimecode( i_user_timecode, p_current, b_found );
4882             index++;
4883         }
4884
4885         if ( psz_result == NULL )
4886             psz_result = this;
4887     }
4888
4889     return psz_result;
4890 }
4891
4892 bool chapter_item_c::ParentOf( const chapter_item_c & item ) const
4893 {
4894     if ( &item == this )
4895         return true;
4896
4897     std::vector<chapter_item_c*>::const_iterator index = sub_chapters.begin();
4898     while ( index != sub_chapters.end() )
4899     {
4900         if ( (*index)->ParentOf( item ) )
4901             return true;
4902         index++;
4903     }
4904
4905     return false;
4906 }
4907
4908 void demux_sys_t::PreloadFamily( const matroska_segment_c & of_segment )
4909 {
4910     for (size_t i=0; i<opened_segments.size(); i++)
4911     {
4912         opened_segments[i]->PreloadFamily( of_segment );
4913     }
4914 }
4915 bool matroska_segment_c::PreloadFamily( const matroska_segment_c & of_segment )
4916 {
4917     if ( b_preloaded )
4918         return false;
4919
4920     for (size_t i=0; i<families.size(); i++)
4921     {
4922         for (size_t j=0; j<of_segment.families.size(); j++)
4923         {
4924             if ( *(families[i]) == *(of_segment.families[j]) )
4925                 return Preload( );
4926         }
4927     }
4928
4929     return false;
4930 }
4931
4932 // preload all the linked segments for all preloaded segments
4933 void demux_sys_t::PreloadLinked( matroska_segment_c *p_segment )
4934 {
4935     size_t i_preloaded, i, j;
4936     virtual_segment_c *p_seg;
4937
4938     p_current_segment = VirtualFromSegments( p_segment );
4939
4940     used_segments.push_back( p_current_segment );
4941
4942     // create all the other virtual segments of the family
4943     do {
4944         i_preloaded = 0;
4945         for ( i=0; i< opened_segments.size(); i++ )
4946         {
4947             if ( opened_segments[i]->b_preloaded && !IsUsedSegment( *opened_segments[i] ) )
4948             {
4949                 p_seg = VirtualFromSegments( opened_segments[i] );
4950                 used_segments.push_back( p_seg );
4951                 i_preloaded++;
4952             }
4953         }
4954     } while ( i_preloaded ); // worst case: will stop when all segments are found as family related
4955
4956     // publish all editions of all usable segment
4957     for ( i=0; i< used_segments.size(); i++ )
4958     {
4959         p_seg = used_segments[i];
4960         if ( p_seg->p_editions != NULL )
4961         {
4962             std::string sz_name;
4963             input_title_t *p_title = vlc_input_title_New();
4964             p_seg->i_sys_title = i;
4965             int i_chapters;
4966
4967             // TODO use a name for each edition, let the TITLE deal with a codec name
4968             for ( j=0; j<p_seg->p_editions->size(); j++ )
4969             {
4970                 if ( p_title->psz_name == NULL )
4971                 {
4972                     sz_name = (*p_seg->p_editions)[j]->GetMainName();
4973                     if ( sz_name != "" )
4974                         p_title->psz_name = strdup( sz_name.c_str() );
4975                 }
4976
4977                 chapter_edition_c *p_edition = (*p_seg->p_editions)[j];
4978
4979                 i_chapters = 0;
4980                 p_edition->PublishChapters( *p_title, i_chapters, 0 );
4981             }
4982
4983             // create a name if there is none
4984             if ( p_title->psz_name == NULL )
4985             {
4986                 sz_name = N_("Segment ");
4987                 char psz_str[6];
4988                 sprintf( psz_str, "%d", (int)i );
4989                 sz_name += psz_str;
4990                 p_title->psz_name = strdup( sz_name.c_str() );
4991             }
4992
4993             titles.push_back( p_title );
4994         }
4995     }
4996
4997     // TODO decide which segment should be first used (VMG for DVD)
4998 }
4999
5000 bool demux_sys_t::IsUsedSegment( matroska_segment_c &segment ) const
5001 {
5002     for ( size_t i=0; i< used_segments.size(); i++ )
5003     {
5004         if ( used_segments[i]->FindUID( *segment.p_segment_uid ) )
5005             return true;
5006     }
5007     return false;
5008 }
5009
5010 virtual_segment_c *demux_sys_t::VirtualFromSegments( matroska_segment_c *p_segment ) const
5011 {
5012     size_t i_preloaded, i;
5013
5014     virtual_segment_c *p_result = new virtual_segment_c( p_segment );
5015
5016     // fill our current virtual segment with all hard linked segments
5017     do {
5018         i_preloaded = 0;
5019         for ( i=0; i< opened_segments.size(); i++ )
5020         {
5021             i_preloaded += p_result->AddSegment( opened_segments[i] );
5022         }
5023     } while ( i_preloaded ); // worst case: will stop when all segments are found as linked
5024
5025     p_result->Sort( );
5026
5027     p_result->PreloadLinked( );
5028
5029     p_result->PrepareChapters( );
5030
5031     return p_result;
5032 }
5033
5034 bool demux_sys_t::PreparePlayback( virtual_segment_c *p_new_segment )
5035 {
5036     if ( p_new_segment != NULL && p_new_segment != p_current_segment )
5037     {
5038         if ( p_current_segment != NULL && p_current_segment->Segment() != NULL )
5039             p_current_segment->Segment()->UnSelect();
5040
5041         p_current_segment = p_new_segment;
5042         i_current_title = p_new_segment->i_sys_title;
5043     }
5044
5045     p_current_segment->LoadCues();
5046     f_duration = p_current_segment->Duration();
5047
5048     /* add information */
5049     p_current_segment->Segment()->InformationCreate( );
5050
5051     p_current_segment->Segment()->Select( 0 );
5052
5053     return true;
5054 }
5055
5056 void demux_sys_t::JumpTo( virtual_segment_c & vsegment, chapter_item_c * p_chapter )
5057 {
5058     // if the segment is not part of the current segment, select the new one
5059     if ( &vsegment != p_current_segment )
5060     {
5061         PreparePlayback( &vsegment );
5062     }
5063
5064     if ( p_chapter != NULL )
5065     {
5066         if ( !p_chapter->Enter( true ) )
5067         {
5068             // jump to the location in the found segment
5069             vsegment.Seek( demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5070         }
5071     }
5072
5073 }
5074
5075 bool matroska_segment_c::CompareSegmentUIDs( const matroska_segment_c * p_item_a, const matroska_segment_c * p_item_b )
5076 {
5077     if ( p_item_a == NULL || p_item_b == NULL )
5078         return false;
5079
5080     EbmlBinary * p_itema = (EbmlBinary *)(p_item_a->p_segment_uid);
5081     if ( p_item_b->p_prev_segment_uid != NULL && *p_itema == *p_item_b->p_prev_segment_uid )
5082         return true;
5083
5084     p_itema = (EbmlBinary *)(&p_item_a->p_next_segment_uid);
5085     if ( p_item_b->p_segment_uid != NULL && *p_itema == *p_item_b->p_segment_uid )
5086         return true;
5087
5088     if ( p_item_b->p_prev_segment_uid != NULL && *p_itema == *p_item_b->p_prev_segment_uid )
5089         return true;
5090
5091     return false;
5092 }
5093
5094 bool matroska_segment_c::Preload( )
5095 {
5096     if ( b_preloaded )
5097         return false;
5098
5099     EbmlElement *el = NULL;
5100
5101     ep->Reset( &sys.demuxer );
5102
5103     while( ( el = ep->Get() ) != NULL )
5104     {
5105         if( MKV_IS_ID( el, KaxInfo ) )
5106         {
5107             ParseInfo( static_cast<KaxInfo*>( el ) );
5108         }
5109         else if( MKV_IS_ID( el, KaxTracks ) )
5110         {
5111             ParseTracks( static_cast<KaxTracks*>( el ) );
5112         }
5113         else if( MKV_IS_ID( el, KaxSeekHead ) )
5114         {
5115             ParseSeekHead( static_cast<KaxSeekHead*>( el ) );
5116         }
5117         else if( MKV_IS_ID( el, KaxCues ) )
5118         {
5119             msg_Dbg( &sys.demuxer, "|   + Cues" );
5120         }
5121         else if( MKV_IS_ID( el, KaxCluster ) )
5122         {
5123             msg_Dbg( &sys.demuxer, "|   + Cluster" );
5124
5125             cluster = (KaxCluster*)el;
5126
5127             i_cluster_pos = i_start_pos = cluster->GetElementPosition();
5128             ParseCluster( );
5129
5130             ep->Down();
5131             /* stop parsing the stream */
5132             break;
5133         }
5134         else if( MKV_IS_ID( el, KaxAttachments ) )
5135         {
5136             msg_Dbg( &sys.demuxer, "|   + Attachments FIXME (but probably never supported)" );
5137         }
5138         else if( MKV_IS_ID( el, KaxChapters ) )
5139         {
5140             msg_Dbg( &sys.demuxer, "|   + Chapters" );
5141             ParseChapters( static_cast<KaxChapters*>( el ) );
5142         }
5143         else if( MKV_IS_ID( el, KaxTag ) )
5144         {
5145             msg_Dbg( &sys.demuxer, "|   + Tags FIXME TODO" );
5146         }
5147         else
5148         {
5149             msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid(*el).name() );
5150         }
5151     }
5152
5153     b_preloaded = true;
5154
5155     return true;
5156 }
5157
5158 matroska_segment_c *demux_sys_t::FindSegment( const EbmlBinary & uid ) const
5159 {
5160     for (size_t i=0; i<opened_segments.size(); i++)
5161     {
5162         if ( *opened_segments[i]->p_segment_uid == uid )
5163             return opened_segments[i];
5164     }
5165     return NULL;
5166 }
5167
5168 chapter_item_c *demux_sys_t::BrowseCodecPrivate( unsigned int codec_id,
5169                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
5170                                         const void *p_cookie,
5171                                         size_t i_cookie_size,
5172                                         virtual_segment_c * &p_segment_found )
5173 {
5174     chapter_item_c *p_result = NULL;
5175     for (size_t i=0; i<used_segments.size(); i++)
5176     {
5177         p_result = used_segments[i]->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
5178         if ( p_result != NULL )
5179         {
5180             p_segment_found = used_segments[i];
5181             break;
5182         }
5183     }
5184     return p_result;
5185 }
5186
5187 chapter_item_c *demux_sys_t::FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found )
5188 {
5189     chapter_item_c *p_result = NULL;
5190     for (size_t i=0; i<used_segments.size(); i++)
5191     {
5192         p_result = used_segments[i]->FindChapter( i_find_uid );
5193         if ( p_result != NULL )
5194         {
5195             p_segment_found = used_segments[i];
5196             break;
5197         }
5198     }
5199     return p_result;
5200 }
5201
5202 void virtual_segment_c::Sort()
5203 {
5204     // keep the current segment index
5205     matroska_segment_c *p_segment = linked_segments[i_current_segment];
5206
5207     std::sort( linked_segments.begin(), linked_segments.end(), matroska_segment_c::CompareSegmentUIDs );
5208
5209     for ( i_current_segment=0; i_current_segment<linked_segments.size(); i_current_segment++)
5210         if ( linked_segments[i_current_segment] == p_segment )
5211             break;
5212 }
5213
5214 size_t virtual_segment_c::AddSegment( matroska_segment_c *p_segment )
5215 {
5216     size_t i;
5217     // check if it's not already in here
5218     for ( i=0; i<linked_segments.size(); i++ )
5219     {
5220         if ( *p_segment->p_segment_uid == *linked_segments[i]->p_segment_uid )
5221             return 0;
5222     }
5223
5224     // find possible mates
5225     for ( i=0; i<linked_uids.size(); i++ )
5226     {
5227         if (   (p_segment->p_segment_uid != NULL && *p_segment->p_segment_uid == linked_uids[i])
5228             || (p_segment->p_prev_segment_uid != NULL && *p_segment->p_prev_segment_uid == linked_uids[i])
5229             || (p_segment->p_next_segment_uid !=NULL && *p_segment->p_next_segment_uid == linked_uids[i]) )
5230         {
5231             linked_segments.push_back( p_segment );
5232
5233             AppendUID( p_segment->p_prev_segment_uid );
5234             AppendUID( p_segment->p_next_segment_uid );
5235
5236             return 1;
5237         }
5238     }
5239     return 0;
5240 }
5241
5242 void virtual_segment_c::PreloadLinked( )
5243 {
5244     for ( size_t i=0; i<linked_segments.size(); i++ )
5245     {
5246         linked_segments[i]->Preload( );
5247     }
5248     i_current_edition = linked_segments[0]->i_default_edition;
5249 }
5250
5251 mtime_t virtual_segment_c::Duration() const
5252 {
5253     mtime_t i_duration;
5254     if ( linked_segments.size() == 0 )
5255         i_duration = 0;
5256     else {
5257         matroska_segment_c *p_last_segment = linked_segments[linked_segments.size()-1];
5258 //        p_last_segment->ParseCluster( );
5259
5260         i_duration = p_last_segment->i_start_time / 1000 + p_last_segment->i_duration;
5261     }
5262     return i_duration;
5263 }
5264
5265 void virtual_segment_c::LoadCues( )
5266 {
5267     for ( size_t i=0; i<linked_segments.size(); i++ )
5268     {
5269         linked_segments[i]->LoadCues();
5270     }
5271 }
5272
5273 void virtual_segment_c::AppendUID( const EbmlBinary * p_UID )
5274 {
5275     if ( p_UID == NULL )
5276         return;
5277     if ( p_UID->GetBuffer() == NULL )
5278         return;
5279
5280     for (size_t i=0; i<linked_uids.size(); i++)
5281     {
5282         if ( *p_UID == linked_uids[i] )
5283             return;
5284     }
5285     linked_uids.push_back( *(KaxSegmentUID*)(p_UID) );
5286 }
5287
5288 void matroska_segment_c::Seek( mtime_t i_date, mtime_t i_time_offset )
5289 {
5290     KaxBlock    *block;
5291     int         i_track_skipping;
5292     int64_t     i_block_duration;
5293     int64_t     i_block_ref1;
5294     int64_t     i_block_ref2;
5295     size_t      i_track;
5296     int64_t     i_seek_position = i_start_pos;
5297     int64_t     i_seek_time = i_start_time;
5298
5299     if ( i_index > 0 )
5300     {
5301         int i_idx = 0;
5302
5303         for( ; i_idx < i_index; i_idx++ )
5304         {
5305             if( p_indexes[i_idx].i_time + i_time_offset > i_date )
5306             {
5307                 break;
5308             }
5309         }
5310
5311         if( i_idx > 0 )
5312         {
5313             i_idx--;
5314         }
5315
5316         i_seek_position = p_indexes[i_idx].i_position;
5317         i_seek_time = p_indexes[i_idx].i_time;
5318     }
5319
5320     msg_Dbg( &sys.demuxer, "seek got "I64Fd" (%d%%)",
5321                 i_seek_time, (int)( 100 * i_seek_position / stream_Size( sys.demuxer.s ) ) );
5322
5323     es.I_O().setFilePointer( i_seek_position, seek_beginning );
5324
5325     delete ep;
5326     ep = new EbmlParser( &es, segment, &sys.demuxer );
5327     cluster = NULL;
5328
5329     sys.i_start_pts = i_date;
5330
5331     es_out_Control( sys.demuxer.out, ES_OUT_RESET_PCR );
5332
5333     /* now parse until key frame */
5334     i_track_skipping = 0;
5335     for( i_track = 0; i_track < tracks.size(); i_track++ )
5336     {
5337         if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5338         {
5339             tracks[i_track]->b_search_keyframe = VLC_TRUE;
5340             i_track_skipping++;
5341         }
5342         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_date );
5343     }
5344
5345
5346     while( i_track_skipping > 0 )
5347     {
5348         if( BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
5349         {
5350             msg_Warn( &sys.demuxer, "cannot get block EOF?" );
5351
5352             return;
5353         }
5354         ep->Down();
5355
5356         for( i_track = 0; i_track < tracks.size(); i_track++ )
5357         {
5358             if( tracks[i_track]->i_number == block->TrackNum() )
5359             {
5360                 break;
5361             }
5362         }
5363
5364         sys.i_last_dts = sys.i_pts = (sys.i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
5365
5366         if( i_track < tracks.size() )
5367         {
5368            if( sys.i_pts >= sys.i_start_pts )
5369             {
5370                 cluster = static_cast<KaxCluster*>(ep->UnGet( i_block_pos, i_cluster_pos ));
5371                 i_track_skipping = 0;
5372             }
5373             else if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5374             {
5375                 if( i_block_ref1 == 0 && tracks[i_track]->b_search_keyframe )
5376                 {
5377                     tracks[i_track]->b_search_keyframe = VLC_FALSE;
5378                     i_track_skipping--;
5379                 }
5380                 if( !tracks[i_track]->b_search_keyframe )
5381                 {
5382                     BlockDecode( &sys.demuxer, block, sys.i_pts, 0 );
5383                 }
5384             }
5385         }
5386
5387         delete block;
5388     }
5389 }
5390
5391 void virtual_segment_c::Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter )
5392 {
5393     demux_sys_t *p_sys = demuxer.p_sys;
5394     size_t i;
5395
5396     // find the actual time for an ordered edition
5397     if ( psz_chapter == NULL )
5398     {
5399         if ( Edition() && Edition()->b_ordered )
5400         {
5401             /* 1st, we need to know in which chapter we are */
5402             psz_chapter = (*p_editions)[i_current_edition]->FindTimecode( i_date, psz_current_chapter );
5403         }
5404     }
5405
5406     if ( psz_chapter != NULL )
5407     {
5408         psz_current_chapter = psz_chapter;
5409         p_sys->i_chapter_time = i_time_offset = psz_chapter->i_user_start_time - psz_chapter->i_start_time;
5410         if ( psz_chapter->i_seekpoint_num > 0 )
5411         {
5412             demuxer.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
5413             demuxer.info.i_title = p_sys->i_current_title = i_sys_title;
5414             demuxer.info.i_seekpoint = psz_chapter->i_seekpoint_num - 1;
5415         }
5416     }
5417
5418     // find the best matching segment
5419     for ( i=0; i<linked_segments.size(); i++ )
5420     {
5421         if ( i_date < linked_segments[i]->i_start_time )
5422             break;
5423     }
5424
5425     if ( i > 0 )
5426         i--;
5427
5428     if ( i_current_segment != i  )
5429     {
5430         linked_segments[i_current_segment]->UnSelect();
5431         linked_segments[i]->Select( i_date );
5432         i_current_segment = i;
5433     }
5434
5435     linked_segments[i]->Seek( i_date, i_time_offset );
5436 }
5437
5438 void chapter_codec_cmds_c::AddCommand( const KaxChapterProcessCommand & command )
5439 {
5440     size_t i;
5441
5442     uint32 codec_time = uint32(-1);
5443     for( i = 0; i < command.ListSize(); i++ )
5444     {
5445         const EbmlElement *k = command[i];
5446
5447         if( MKV_IS_ID( k, KaxChapterProcessTime ) )
5448         {
5449             codec_time = uint32( *static_cast<const KaxChapterProcessTime*>( k ) );
5450             break;
5451         }
5452     }
5453
5454     for( i = 0; i < command.ListSize(); i++ )
5455     {
5456         const EbmlElement *k = command[i];
5457
5458         if( MKV_IS_ID( k, KaxChapterProcessData ) )
5459         {
5460             KaxChapterProcessData *p_data =  new KaxChapterProcessData( *static_cast<const KaxChapterProcessData*>( k ) );
5461             switch ( codec_time )
5462             {
5463             case 0:
5464                 during_cmds.push_back( p_data );
5465                 break;
5466             case 1:
5467                 enter_cmds.push_back( p_data );
5468                 break;
5469             case 2:
5470                 leave_cmds.push_back( p_data );
5471                 break;
5472             default:
5473                 delete p_data;
5474             }
5475         }
5476     }
5477 }
5478
5479 bool chapter_item_c::Enter( bool b_do_subs )
5480 {
5481     bool f_result = false;
5482     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5483     while ( index != codecs.end() )
5484     {
5485         f_result |= (*index)->Enter();
5486         index++;
5487     }
5488
5489     if ( b_do_subs )
5490     {
5491         // sub chapters
5492         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5493         while ( index_ != sub_chapters.end() )
5494         {
5495             f_result |= (*index_)->Enter( true );
5496             index_++;
5497         }
5498     }
5499     return f_result;
5500 }
5501
5502 bool chapter_item_c::Leave( bool b_do_subs )
5503 {
5504     bool f_result = false;
5505     b_is_leaving = true;
5506     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5507     while ( index != codecs.end() )
5508     {
5509         f_result |= (*index)->Leave();
5510         index++;
5511     }
5512
5513     if ( b_do_subs )
5514     {
5515         // sub chapters
5516         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5517         while ( index_ != sub_chapters.end() )
5518         {
5519             f_result |= (*index_)->Leave( true );
5520             index_++;
5521         }
5522     }
5523     b_is_leaving = false;
5524     return f_result;
5525 }
5526
5527 bool chapter_item_c::EnterAndLeave( chapter_item_c *p_item, bool b_final_enter )
5528 {
5529     chapter_item_c *p_common_parent = p_item;
5530
5531     // leave, up to a common parent
5532     while ( p_common_parent != NULL && !p_common_parent->ParentOf( *this ) )
5533     {
5534         if ( !p_common_parent->b_is_leaving && p_common_parent->Leave( false ) )
5535             return true;
5536         p_common_parent = p_common_parent->psz_parent;
5537     }
5538
5539     // enter from the parent to <this>
5540     if ( p_common_parent != NULL )
5541     {
5542         do
5543         {
5544             if ( p_common_parent == this )
5545                 return Enter( true );
5546
5547             for ( size_t i = 0; i<p_common_parent->sub_chapters.size(); i++ )
5548             {
5549                 if ( p_common_parent->sub_chapters[i]->ParentOf( *this ) )
5550                 {
5551                     p_common_parent = p_common_parent->sub_chapters[i];
5552                     if ( p_common_parent != this )
5553                         if ( p_common_parent->Enter( false ) )
5554                             return true;
5555
5556                     break;
5557                 }
5558             }
5559         } while ( 1 );
5560     }
5561
5562     if ( b_final_enter )
5563         return Enter( true );
5564     else
5565         return false;
5566 }
5567
5568 bool dvd_chapter_codec_c::Enter()
5569 {
5570     bool f_result = false;
5571     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
5572     while ( index != enter_cmds.end() )
5573     {
5574         if ( (*index)->GetSize() )
5575         {
5576             binary *p_data = (*index)->GetBuffer();
5577             size_t i_size = *p_data++;
5578             // avoid reading too much from the buffer
5579             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
5580             for ( ; i_size > 0; i_size--, p_data += 8 )
5581             {
5582                 msg_Dbg( &sys.demuxer, "Matroska DVD enter command" );
5583                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5584             }
5585         }
5586         index++;
5587     }
5588     return f_result;
5589 }
5590
5591 bool dvd_chapter_codec_c::Leave()
5592 {
5593     bool f_result = false;
5594     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
5595     while ( index != leave_cmds.end() )
5596     {
5597         if ( (*index)->GetSize() )
5598         {
5599             binary *p_data = (*index)->GetBuffer();
5600             size_t i_size = *p_data++;
5601             // avoid reading too much from the buffer
5602             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
5603             for ( ; i_size > 0; i_size--, p_data += 8 )
5604             {
5605                 msg_Dbg( &sys.demuxer, "Matroska DVD leave command" );
5606                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5607             }
5608         }
5609         index++;
5610     }
5611     return f_result;
5612 }
5613
5614 // see http://www.dvd-replica.com/DVD/vmcmdset.php for a description of DVD commands
5615 bool dvd_command_interpretor_c::Interpret( const binary * p_command, size_t i_size )
5616 {
5617     if ( i_size != 8 )
5618         return false;
5619
5620     virtual_segment_c *p_segment = NULL;
5621     chapter_item_c *p_chapter = NULL;
5622     bool f_result = false;
5623     uint16 i_command = ( p_command[0] << 8 ) + p_command[1];
5624
5625     // handle register tests if there are some
5626     if ( (i_command & 0xF0) != 0 )
5627     {
5628         bool b_test_positive = true;//(i_command & CMD_DVD_IF_NOT) == 0;
5629         bool b_test_value    = (i_command & CMD_DVD_TEST_VALUE) != 0;
5630         uint8 i_test = i_command & 0x70;
5631         uint16 i_value;
5632
5633         // see http://dvd.sourceforge.net/dvdinfo/vmi.html
5634         uint8  i_cr1;
5635         uint16 i_cr2;
5636         switch ( i_command >> 12 )
5637         {
5638         default:
5639             i_cr1 = p_command[3];
5640             i_cr2 = (p_command[4] << 8) + p_command[5];
5641             break;
5642         case 3:
5643         case 4:
5644         case 5:
5645             i_cr1 = p_command[6];
5646             i_cr2 = p_command[7];
5647             b_test_value = false;
5648             break;
5649         case 6:
5650         case 7:
5651             if ( ((p_command[1] >> 4) & 0x7) == 0)
5652             {
5653                 i_cr1 = p_command[2];
5654                 i_cr2 = (p_command[6] << 8) + p_command[7];
5655             }
5656             else
5657             {
5658                 i_cr1 = p_command[2];
5659                 i_cr2 = (p_command[6] << 8) + p_command[7];
5660             }
5661             break;
5662         }
5663
5664         if ( b_test_value )
5665             i_value = i_cr2;
5666         else
5667             i_value = GetPRM( i_cr2 );
5668
5669         switch ( i_test )
5670         {
5671         case CMD_DVD_IF_GPREG_EQUAL:
5672             // if equals
5673             msg_Dbg( &sys.demuxer, "IF %s EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5674             if (!( GetPRM( i_cr1 ) == i_value ))
5675             {
5676                 b_test_positive = false;
5677             }
5678             break;
5679         case CMD_DVD_IF_GPREG_NOT_EQUAL:
5680             // if not equals
5681             msg_Dbg( &sys.demuxer, "IF %s NOT EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5682             if (!( GetPRM( i_cr1 ) != i_value ))
5683             {
5684                 b_test_positive = false;
5685             }
5686             break;
5687         case CMD_DVD_IF_GPREG_INF:
5688             // if inferior
5689             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5690             if (!( GetPRM( i_cr1 ) < i_value ))
5691             {
5692                 b_test_positive = false;
5693             }
5694             break;
5695         case CMD_DVD_IF_GPREG_INF_EQUAL:
5696             // if inferior or equal
5697             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5698             if (!( GetPRM( i_cr1 ) <= i_value ))
5699             {
5700                 b_test_positive = false;
5701             }
5702             break;
5703         case CMD_DVD_IF_GPREG_AND:
5704             // if logical and
5705             msg_Dbg( &sys.demuxer, "IF %s & %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5706             if (!( GetPRM( i_cr1 ) & i_value ))
5707             {
5708                 b_test_positive = false;
5709             }
5710             break;
5711         case CMD_DVD_IF_GPREG_SUP:
5712             // if superior
5713             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5714             if (!( GetPRM( i_cr1 ) > i_value ))
5715             {
5716                 b_test_positive = false;
5717             }
5718             break;
5719         case CMD_DVD_IF_GPREG_SUP_EQUAL:
5720             // if superior or equal
5721             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5722             if (!( GetPRM( i_cr1 ) >= i_value ))
5723             {
5724                 b_test_positive = false;
5725             }
5726             break;
5727         }
5728
5729         if ( !b_test_positive )
5730             return false;
5731     }
5732
5733     // strip the test command
5734     i_command &= 0xFF0F;
5735
5736     switch ( i_command )
5737     {
5738     case CMD_DVD_NOP:
5739     case CMD_DVD_NOP2:
5740         {
5741             msg_Dbg( &sys.demuxer, "NOP" );
5742             break;
5743         }
5744     case CMD_DVD_BREAK:
5745         {
5746             msg_Dbg( &sys.demuxer, "Break" );
5747             // TODO
5748             break;
5749         }
5750     case CMD_DVD_JUMP_TT:
5751         {
5752             uint8 i_title = p_command[5];
5753             msg_Dbg( &sys.demuxer, "JumpTT %d", i_title );
5754
5755             // find in the ChapProcessPrivate matching this Title level
5756             p_chapter = sys.BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title), p_segment );
5757             if ( p_segment != NULL )
5758             {
5759                 sys.JumpTo( *p_segment, p_chapter );
5760                 f_result = true;
5761             }
5762
5763             break;
5764         }
5765     case CMD_DVD_CALLSS_VTSM1:
5766         {
5767             msg_Dbg( &sys.demuxer, "CallSS" );
5768             binary p_type;
5769             switch( (p_command[6] & 0xC0) >> 6 ) {
5770                 case 0:
5771                     p_type = p_command[5] & 0x0F;
5772                     switch ( p_type )
5773                     {
5774                     case 0x00:
5775                         msg_Dbg( &sys.demuxer, "CallSS PGC (rsm_cell %x)", p_command[4]);
5776                         break;
5777                     case 0x02:
5778                         msg_Dbg( &sys.demuxer, "CallSS Title Entry (rsm_cell %x)", p_command[4]);
5779                         break;
5780                     case 0x03:
5781                         msg_Dbg( &sys.demuxer, "CallSS Root Menu (rsm_cell %x)", p_command[4]);
5782                         break;
5783                     case 0x04:
5784                         msg_Dbg( &sys.demuxer, "CallSS Subpicture Menu (rsm_cell %x)", p_command[4]);
5785                         break;
5786                     case 0x05:
5787                         msg_Dbg( &sys.demuxer, "CallSS Audio Menu (rsm_cell %x)", p_command[4]);
5788                         break;
5789                     case 0x06:
5790                         msg_Dbg( &sys.demuxer, "CallSS Angle Menu (rsm_cell %x)", p_command[4]);
5791                         break;
5792                     case 0x07:
5793                         msg_Dbg( &sys.demuxer, "CallSS Chapter Menu (rsm_cell %x)", p_command[4]);
5794                         break;
5795                     default:
5796                         msg_Dbg( &sys.demuxer, "CallSS <unknown> (rsm_cell %x)", p_command[4]);
5797                         break;
5798                     }
5799                     p_chapter = sys.BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1, p_segment );
5800                     if ( p_segment != NULL )
5801                     {
5802                         sys.JumpTo( *p_segment, p_chapter );
5803                         f_result = true;
5804                     }
5805                 break;
5806                 case 1:
5807                     msg_Dbg( &sys.demuxer, "CallSS VMGM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
5808                 break;
5809                 case 2:
5810                     msg_Dbg( &sys.demuxer, "CallSS VTSM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
5811                 break;
5812                 case 3:
5813                     msg_Dbg( &sys.demuxer, "CallSS VMGM (pgc %d, rsm_cell %x)", (p_command[2] << 8) + p_command[3], p_command[4]);
5814                 break;
5815             }
5816             break;
5817         }
5818     case CMD_DVD_JUMP_SS:
5819         {
5820             msg_Dbg( &sys.demuxer, "JumpSS");
5821             binary p_type;
5822             switch( (p_command[5] & 0xC0) >> 6 ) {
5823                 case 0:
5824                     msg_Dbg( &sys.demuxer, "JumpSS FP");
5825                 break;
5826                 case 1:
5827                     p_type = p_command[5] & 0x0F;
5828                     switch ( p_type )
5829                     {
5830                     case 0x02:
5831                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Title Entry");
5832                         break;
5833                     case 0x03:
5834                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Root Menu");
5835                         break;
5836                     case 0x04:
5837                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Subpicture Menu");
5838                         break;
5839                     case 0x05:
5840                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Audio Menu");
5841                         break;
5842                     case 0x06:
5843                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Angle Menu");
5844                         break;
5845                     case 0x07:
5846                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Chapter Menu");
5847                         break;
5848                     default:
5849                         msg_Dbg( &sys.demuxer, "JumpSS <unknown>");
5850                         break;
5851                     }
5852                     // find the VMG
5853                     p_chapter = sys.BrowseCodecPrivate( 1, MatchIsVMG, NULL, 0, p_segment );
5854                     if ( p_segment != NULL )
5855                     {
5856                         p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
5857                         if ( p_chapter != NULL )
5858                         {
5859                             sys.JumpTo( *p_segment, p_chapter );
5860                             f_result = true;
5861                         }
5862                     }
5863                 break;
5864                 case 2:
5865                     p_type = p_command[5] & 0x0F;
5866                     switch ( p_type )
5867                     {
5868                     case 0x02:
5869                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Title Entry", p_command[4], p_command[3]);
5870                         break;
5871                     case 0x03:
5872                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Root Menu", p_command[4], p_command[3]);
5873                         break;
5874                     case 0x04:
5875                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Subpicture Menu", p_command[4], p_command[3]);
5876                         break;
5877                     case 0x05:
5878                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Audio Menu", p_command[4], p_command[3]);
5879                         break;
5880                     case 0x06:
5881                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Angle Menu", p_command[4], p_command[3]);
5882                         break;
5883                     case 0x07:
5884                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Chapter Menu", p_command[4], p_command[3]);
5885                         break;
5886                     default:
5887                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) <unknown>", p_command[4], p_command[3]);
5888                         break;
5889                     }
5890
5891                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSMNumber, &p_command[4], 1, p_segment );
5892
5893                     if ( p_segment != NULL && p_chapter != NULL )
5894                     {
5895                         // find the title in the VTS
5896                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &p_command[3], 1 );
5897                         if ( p_chapter != NULL )
5898                         {
5899                             // find the specified menu in the VTSM
5900                             p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
5901                             if ( p_chapter != NULL )
5902                             {
5903                                 sys.JumpTo( *p_segment, p_chapter );
5904                                 f_result = true;
5905                             }
5906                         }
5907                         else
5908                             msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", p_command[3] );
5909                     }
5910                     else
5911                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", p_command[4] );
5912                 break;
5913                 case 3:
5914                     msg_Dbg( &sys.demuxer, "JumpSS VMGM (pgc %d)", (p_command[2] << 8) + p_command[3]);
5915                 break;
5916             }
5917             break;
5918         }
5919     case CMD_DVD_JUMPVTS_PTT:
5920         {
5921             uint8 i_title = p_command[5];
5922             uint8 i_ptt = p_command[3];
5923
5924             msg_Dbg( &sys.demuxer, "JumpVTS Title (%d) PTT (%d)", i_title, i_ptt);
5925
5926             // find the current VTS content segment
5927             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchIsDomain, NULL, 0 );
5928             if ( p_chapter != NULL )
5929             {
5930                 int16 i_curr_title = p_chapter->GetTitleNumber( );
5931                 if ( i_curr_title > 0 )
5932                 {
5933                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSNumber, &i_curr_title, sizeof(i_curr_title), p_segment );
5934
5935                     if ( p_segment != NULL && p_chapter != NULL )
5936                     {
5937                         // find the title in the VTS
5938                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title) );
5939                         if ( p_chapter != NULL )
5940                         {
5941                             // find the chapter in the title
5942                             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchChapterNumber, &i_ptt, sizeof(i_ptt) );
5943                             if ( p_chapter != NULL )
5944                             {
5945                                 sys.JumpTo( *p_segment, p_chapter );
5946                                 f_result = true;
5947                             }
5948                         }
5949                     else
5950                         msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", i_title );
5951                     }
5952                     else
5953                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", i_curr_title );
5954                 }
5955                 else
5956                     msg_Dbg( &sys.demuxer, "JumpVTS_PTT command found but not in a VTS(M)");
5957             }
5958             else
5959                 msg_Dbg( &sys.demuxer, "JumpVTS_PTT command but the DVD domain wasn't found");
5960             break;
5961         }
5962     case CMD_DVD_SET_GPRMMD:
5963         {
5964             msg_Dbg( &sys.demuxer, "Set GPRMMD [%d]=%d", (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3]);
5965
5966             if ( !SetGPRM( (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3] ) )
5967                 msg_Dbg( &sys.demuxer, "Set GPRMMD failed" );
5968             break;
5969         }
5970     case CMD_DVD_LINKPGCN:
5971         {
5972             uint16 i_pgcn = (p_command[6] << 8) + p_command[7];
5973
5974             msg_Dbg( &sys.demuxer, "Link PGCN(%d)", i_pgcn );
5975             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchPgcNumber, &i_pgcn, 2 );
5976             if ( p_chapter != NULL )
5977             {
5978                 if ( !p_chapter->Enter( true ) )
5979                     // jump to the location in the found segment
5980                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5981
5982                 f_result = true;
5983             }
5984             break;
5985         }
5986     case CMD_DVD_LINKCN:
5987         {
5988             uint8 i_cn = p_command[7];
5989
5990             p_chapter = sys.p_current_segment->CurrentChapter();
5991
5992             msg_Dbg( &sys.demuxer, "LinkCN (cell %d)", i_cn );
5993             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchCellNumber, &i_cn, 1 );
5994             if ( p_chapter != NULL )
5995             {
5996                 if ( !p_chapter->Enter( true ) )
5997                     // jump to the location in the found segment
5998                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5999
6000                 f_result = true;
6001             }
6002             break;
6003         }
6004     case CMD_DVD_GOTO_LINE:
6005         {
6006             msg_Dbg( &sys.demuxer, "GotoLine (%d)", (p_command[6] << 8) + p_command[7] );
6007             // TODO
6008             break;
6009         }
6010     case CMD_DVD_SET_HL_BTNN1:
6011         {
6012             msg_Dbg( &sys.demuxer, "SetHL_BTN (%d)", p_command[4] );
6013             SetSPRM( 0x88, p_command[4] );
6014             break;
6015         }
6016     default:
6017         {
6018             msg_Dbg( &sys.demuxer, "unsupported command : %02X %02X %02X %02X %02X %02X %02X %02X"
6019                      ,p_command[0]
6020                      ,p_command[1]
6021                      ,p_command[2]
6022                      ,p_command[3]
6023                      ,p_command[4]
6024                      ,p_command[5]
6025                      ,p_command[6]
6026                      ,p_command[7]);
6027             break;
6028         }
6029     }
6030
6031     return f_result;
6032 }
6033
6034 bool dvd_command_interpretor_c::MatchIsDomain( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6035 {
6036     return ( data.p_private_data != NULL && data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS );
6037 }
6038
6039 bool dvd_command_interpretor_c::MatchIsVMG( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6040 {
6041     if ( data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
6042         return false;
6043
6044     return ( data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS && data.p_private_data->GetBuffer()[1] == 0xC0);
6045 }
6046
6047 bool dvd_command_interpretor_c::MatchVTSNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6048 {
6049     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6050         return false;
6051
6052     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x80 )
6053         return false;
6054
6055     uint16 i_gtitle = (data.p_private_data->GetBuffer()[2] << 8 ) + data.p_private_data->GetBuffer()[3];
6056     uint16 i_title = *(uint16*)p_cookie;
6057
6058     return (i_gtitle == i_title);
6059 }
6060
6061 bool dvd_command_interpretor_c::MatchVTSMNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6062 {
6063     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6064         return false;
6065
6066     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x40 )
6067         return false;
6068
6069     uint8 i_gtitle = data.p_private_data->GetBuffer()[3];
6070     uint8 i_title = *(uint8*)p_cookie;
6071
6072     return (i_gtitle == i_title);
6073 }
6074
6075 bool dvd_command_interpretor_c::MatchTitleNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6076 {
6077     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6078         return false;
6079
6080     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_TT )
6081         return false;
6082
6083     uint16 i_gtitle = (data.p_private_data->GetBuffer()[1] << 8 ) + data.p_private_data->GetBuffer()[2];
6084     uint8 i_title = *(uint8*)p_cookie;
6085
6086     return (i_gtitle == i_title);
6087 }
6088
6089 bool dvd_command_interpretor_c::MatchPgcType( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6090 {
6091     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6092         return false;
6093
6094     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6095         return false;
6096
6097     uint8 i_pgc_type = data.p_private_data->GetBuffer()[3] & 0x0F;
6098     uint8 i_pgc = *(uint8*)p_cookie;
6099
6100     return (i_pgc_type == i_pgc);
6101 }
6102
6103 bool dvd_command_interpretor_c::MatchPgcNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6104 {
6105     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6106         return false;
6107
6108     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6109         return false;
6110
6111     uint16 *i_pgc_n = (uint16 *)p_cookie;
6112     uint16 i_pgc_num = (data.p_private_data->GetBuffer()[1] << 8) + data.p_private_data->GetBuffer()[2];
6113
6114     return (i_pgc_num == *i_pgc_n);
6115 }
6116
6117 bool dvd_command_interpretor_c::MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6118 {
6119     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
6120         return false;
6121
6122     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PTT )
6123         return false;
6124
6125     uint8 i_chapter = data.p_private_data->GetBuffer()[1];
6126     uint8 i_ptt = *(uint8*)p_cookie;
6127
6128     return (i_chapter == i_ptt);
6129 }
6130
6131 bool dvd_command_interpretor_c::MatchCellNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6132 {
6133     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 5 )
6134         return false;
6135
6136     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_CN )
6137         return false;
6138
6139     uint8 *i_cell_n = (uint8 *)p_cookie;
6140     uint8 i_cell_num = data.p_private_data->GetBuffer()[3];
6141
6142     return (i_cell_num == *i_cell_n);
6143 }
6144
6145 bool matroska_script_codec_c::Enter()
6146 {
6147     bool f_result = false;
6148     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
6149     while ( index != enter_cmds.end() )
6150     {
6151         if ( (*index)->GetSize() )
6152         {
6153             msg_Dbg( &sys.demuxer, "Matroska Script enter command" );
6154             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6155         }
6156         index++;
6157     }
6158     return f_result;
6159 }
6160
6161 bool matroska_script_codec_c::Leave()
6162 {
6163     bool f_result = false;
6164     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
6165     while ( index != leave_cmds.end() )
6166     {
6167         if ( (*index)->GetSize() )
6168         {
6169             msg_Dbg( &sys.demuxer, "Matroska Script leave command" );
6170             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6171         }
6172         index++;
6173     }
6174     return f_result;
6175 }
6176
6177 // see http://www.matroska.org/technical/specs/chapters/index.html#mscript
6178 //  for a description of existing commands
6179 bool matroska_script_interpretor_c::Interpret( const binary * p_command, size_t i_size )
6180 {
6181     bool b_result = false;
6182
6183     char *psz_str = (char*) malloc( i_size + 1 );
6184     memcpy( psz_str, p_command, i_size );
6185     psz_str[ i_size ] = '\0';
6186
6187     std::string sz_command = psz_str;
6188     free( psz_str );
6189
6190     msg_Dbg( &sys.demuxer, "command : %s", sz_command.c_str() );
6191
6192 #if defined(__GNUC__) && (__GNUC__ < 3)
6193     if ( sz_command.compare( CMD_MS_GOTO_AND_PLAY, 0, CMD_MS_GOTO_AND_PLAY.size() ) == 0 )
6194 #else
6195     if ( sz_command.compare( 0, CMD_MS_GOTO_AND_PLAY.size(), CMD_MS_GOTO_AND_PLAY ) == 0 )
6196 #endif
6197     {
6198         size_t i,j;
6199
6200         // find the (
6201         for ( i=CMD_MS_GOTO_AND_PLAY.size(); i<sz_command.size(); i++)
6202         {
6203             if ( sz_command[i] == '(' )
6204             {
6205                 i++;
6206                 break;
6207             }
6208         }
6209         // find the )
6210         for ( j=i; j<sz_command.size(); j++)
6211         {
6212             if ( sz_command[j] == ')' )
6213             {
6214                 i--;
6215                 break;
6216             }
6217         }
6218
6219         std::string st = sz_command.substr( i+1, j-i-1 );
6220         int64_t i_chapter_uid = atoi( st.c_str() );
6221
6222         virtual_segment_c *p_segment;
6223         chapter_item_c *p_chapter = sys.FindChapter( i_chapter_uid, p_segment );
6224
6225         if ( p_chapter == NULL )
6226             msg_Dbg( &sys.demuxer, "Chapter "I64Fd" not found", i_chapter_uid);
6227         else
6228         {
6229             if ( !p_chapter->EnterAndLeave( sys.p_current_segment->CurrentChapter() ) )
6230                 p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6231             b_result = true;
6232         }
6233     }
6234
6235     return b_result;
6236 }
6237
6238 void demux_sys_t::SwapButtons()
6239 {
6240 #ifndef WORDS_BIGENDIAN
6241     uint8_t button, i, j;
6242
6243     for( button = 1; button <= pci_packet.hli.hl_gi.btn_ns; button++) {
6244         btni_t *button_ptr = &(pci_packet.hli.btnit[button-1]);
6245         binary *p_data = (binary*) button_ptr;
6246
6247         uint16 i_x_start = ((p_data[0] & 0x3F) << 4 ) + ( p_data[1] >> 4 );
6248         uint16 i_x_end   = ((p_data[1] & 0x03) << 8 ) + p_data[2];
6249         uint16 i_y_start = ((p_data[3] & 0x3F) << 4 ) + ( p_data[4] >> 4 );
6250         uint16 i_y_end   = ((p_data[4] & 0x03) << 8 ) + p_data[5];
6251         button_ptr->x_start = i_x_start;
6252         button_ptr->x_end   = i_x_end;
6253         button_ptr->y_start = i_y_start;
6254         button_ptr->y_end   = i_y_end;
6255
6256     }
6257     for ( i = 0; i<3; i++ )
6258     {
6259         for ( j = 0; j<2; j++ )
6260         {
6261             pci_packet.hli.btn_colit.btn_coli[i][j] = U32_AT( &pci_packet.hli.btn_colit.btn_coli[i][j] );
6262         }
6263     }
6264 #endif
6265 }