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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  23  *****************************************************************************/
  24
  25 /*****************************************************************************
  26  * Preamble
  27  *****************************************************************************/
  28
  29 /* config.h may include inttypes.h, so make sure we define that option
  30  * early enough. */
  31 #define __STDC_FORMAT_MACROS 1
  32 #define __STDC_CONSTANT_MACROS 1
  33
  34 #ifdef HAVE_CONFIG_H
  35 # include "config.h"
  36 #endif
  37
  38 #include <inttypes.h>
  39
  40 #include <vlc_common.h>
  41 #include <vlc_plugin.h>
  42
  43 #ifdef HAVE_TIME_H
  44 #   include <time.h>                                               /* time() */
  45 #endif
  46
  47
  48 #include <vlc_codecs.h>               /* BITMAPINFOHEADER, WAVEFORMATEX */
  49 #include <vlc_iso_lang.h>
  50 #include "vlc_meta.h"
  51 #include <vlc_charset.h>
  52 #include <vlc_input.h>
  53 #include <vlc_demux.h>
  54
  55 #include <iostream>
  56 #include <cassert>
  57 #include <typeinfo>
  58 #include <string>
  59 #include <vector>
  60 #include <algorithm>
  61
  62 #ifdef HAVE_DIRENT_H
  63 #   include <dirent.h>
  64 #endif
  65
  66 /* libebml and matroska */
  67 #include "ebml/EbmlHead.h"
  68 #include "ebml/EbmlSubHead.h"
  69 #include "ebml/EbmlStream.h"
  70 #include "ebml/EbmlContexts.h"
  71 #include "ebml/EbmlVoid.h"
  72 #include "ebml/EbmlVersion.h"
  73 #include "ebml/StdIOCallback.h"
  74
  75 #include "matroska/KaxAttachments.h"
  76 #include "matroska/KaxAttached.h"
  77 #include "matroska/KaxBlock.h"
  78 #include "matroska/KaxBlockData.h"
  79 #include "matroska/KaxChapters.h"
  80 #include "matroska/KaxCluster.h"
  81 #include "matroska/KaxClusterData.h"
  82 #include "matroska/KaxContexts.h"
  83 #include "matroska/KaxCues.h"
  84 #include "matroska/KaxCuesData.h"
  85 #include "matroska/KaxInfo.h"
  86 #include "matroska/KaxInfoData.h"
  87 #include "matroska/KaxSeekHead.h"
  88 #include "matroska/KaxSegment.h"
  89 #include "matroska/KaxTag.h"
  90 #include "matroska/KaxTags.h"
  91 #include "matroska/KaxTagMulti.h"
  92 #include "matroska/KaxTracks.h"
  93 #include "matroska/KaxTrackAudio.h"
  94 #include "matroska/KaxTrackVideo.h"
  95 #include "matroska/KaxTrackEntryData.h"
  96 #include "matroska/KaxContentEncoding.h"
  97 #include "matroska/KaxVersion.h"
  98
  99 #include "ebml/StdIOCallback.h"
 100
 101 #if LIBMATROSKA_VERSION < 0x000706
 102 START_LIBMATROSKA_NAMESPACE
 103 extern const EbmlSemanticContext MATROSKA_DLL_API KaxMatroska_Context;
 104 END_LIBMATROSKA_NAMESPACE
 105 #endif
 106
 107 #include "vlc_keys.h"
 108
 109 extern "C" {
 110    #include "mp4/libmp4.h"
 111 }
 112 #ifdef HAVE_ZLIB_H
 113 #   include <zlib.h>
 114 #endif
 115
 116 /*****************************************************************************
 117  * Module descriptor
 118  *****************************************************************************/
 119 static int  Open ( vlc_object_t * );
 120 static void Close( vlc_object_t * );
 121
 122 vlc_module_begin();
 123     set_shortname( "Matroska" );
 124     set_description( N_("Matroska stream demuxer" ) );
 125     set_capability( "demux", 50 );
 126     set_callbacks( Open, Close );
 127     set_category( CAT_INPUT );
 128     set_subcategory( SUBCAT_INPUT_DEMUX );
 129
 130     add_bool( "mkv-use-ordered-chapters", 1, NULL,
 131             N_("Ordered chapters"),
 132             N_("Play ordered chapters as specified in the segment."), true );
 133
 134     add_bool( "mkv-use-chapter-codec", 1, NULL,
 135             N_("Chapter codecs"),
 136             N_("Use chapter codecs found in the segment."), true );
 137
 138     add_bool( "mkv-preload-local-dir", 1, NULL,
 139             N_("Preload Directory"),
 140             N_("Preload matroska files from the same family in the same directory (not good for broken files)."), true );
 141
 142     add_bool( "mkv-seek-percent", 0, NULL,
 143             N_("Seek based on percent not time"),
 144             N_("Seek based on percent not time."), true );
 145
 146     add_bool( "mkv-use-dummy", 0, NULL,
 147             N_("Dummy Elements"),
 148             N_("Read and discard unknown EBML elements (not good for broken files)."), true );
 149
 150     add_shortcut( "mka" );
 151     add_shortcut( "mkv" );
 152 vlc_module_end();
 153
 154
 155
 156 #define MATROSKA_COMPRESSION_NONE  -1
 157 #define MATROSKA_COMPRESSION_ZLIB   0
 158 #define MATROSKA_COMPRESSION_BLIB   1
 159 #define MATROSKA_COMPRESSION_LZOX   2
 160 #define MATROSKA_COMPRESSION_HEADER 3
 161
 162 #define MKVD_TIMECODESCALE 1000000
 163
 164 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 165 #undef ATTRIBUTE_PACKED
 166 #undef PRAGMA_PACK_BEGIN
 167 #undef PRAGMA_PACK_END
 168
 169 #if defined(__GNUC__)
 170 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)
 171 #define ATTRIBUTE_PACKED __attribute__ ((packed))
 172 #define PRAGMA_PACK 0
 173 #endif
 174 #endif
 175
 176 #if !defined(ATTRIBUTE_PACKED)
 177 #define ATTRIBUTE_PACKED
 178 #define PRAGMA_PACK 1
 179 #endif
 180
 181 #if PRAGMA_PACK
 182 #pragma pack(1)
 183 #endif
 184
 185 /*************************************
 186 *  taken from libdvdnav / libdvdread
 187 **************************************/
 188
 189 /**
 190  * DVD Time Information.
 191  */
 192 typedef struct {
 193   uint8_t hour;
 194   uint8_t minute;
 195   uint8_t second;
 196   uint8_t frame_u; /* The two high bits are the frame rate. */
 197 } ATTRIBUTE_PACKED dvd_time_t;
 198
 199 /**
 200  * User Operations.
 201  */
 202 typedef struct {
 203 #ifdef WORDS_BIGENDIAN
 204   unsigned char zero                           : 7; /* 25-31 */
 205   unsigned char video_pres_mode_change         : 1; /* 24 */
 206
 207   unsigned char karaoke_audio_pres_mode_change : 1; /* 23 */
 208   unsigned char angle_change                   : 1;
 209   unsigned char subpic_stream_change           : 1;
 210   unsigned char audio_stream_change            : 1;
 211   unsigned char pause_on                       : 1;
 212   unsigned char still_off                      : 1;
 213   unsigned char button_select_or_activate      : 1;
 214   unsigned char resume                         : 1; /* 16 */
 215
 216   unsigned char chapter_menu_call              : 1; /* 15 */
 217   unsigned char angle_menu_call                : 1;
 218   unsigned char audio_menu_call                : 1;
 219   unsigned char subpic_menu_call               : 1;
 220   unsigned char root_menu_call                 : 1;
 221   unsigned char title_menu_call                : 1;
 222   unsigned char backward_scan                  : 1;
 223   unsigned char forward_scan                   : 1; /* 8 */
 224
 225   unsigned char next_pg_search                 : 1; /* 7 */
 226   unsigned char prev_or_top_pg_search          : 1;
 227   unsigned char time_or_chapter_search         : 1;
 228   unsigned char go_up                          : 1;
 229   unsigned char stop                           : 1;
 230   unsigned char title_play                     : 1;
 231   unsigned char chapter_search_or_play         : 1;
 232   unsigned char title_or_time_play             : 1; /* 0 */
 233 #else
 234   unsigned char video_pres_mode_change         : 1; /* 24 */
 235   unsigned char zero                           : 7; /* 25-31 */
 236
 237   unsigned char resume                         : 1; /* 16 */
 238   unsigned char button_select_or_activate      : 1;
 239   unsigned char still_off                      : 1;
 240   unsigned char pause_on                       : 1;
 241   unsigned char audio_stream_change            : 1;
 242   unsigned char subpic_stream_change           : 1;
 243   unsigned char angle_change                   : 1;
 244   unsigned char karaoke_audio_pres_mode_change : 1; /* 23 */
 245
 246   unsigned char forward_scan                   : 1; /* 8 */
 247   unsigned char backward_scan                  : 1;
 248   unsigned char title_menu_call                : 1;
 249   unsigned char root_menu_call                 : 1;
 250   unsigned char subpic_menu_call               : 1;
 251   unsigned char audio_menu_call                : 1;
 252   unsigned char angle_menu_call                : 1;
 253   unsigned char chapter_menu_call              : 1; /* 15 */
 254
 255   unsigned char title_or_time_play             : 1; /* 0 */
 256   unsigned char chapter_search_or_play         : 1;
 257   unsigned char title_play                     : 1;
 258   unsigned char stop                           : 1;
 259   unsigned char go_up                          : 1;
 260   unsigned char time_or_chapter_search         : 1;
 261   unsigned char prev_or_top_pg_search          : 1;
 262   unsigned char next_pg_search                 : 1; /* 7 */
 263 #endif
 264 } ATTRIBUTE_PACKED user_ops_t;
 265
 266 /**
 267  * Type to store per-command data.
 268  */
 269 typedef struct {
 270   uint8_t bytes[8];
 271 } ATTRIBUTE_PACKED vm_cmd_t;
 272 #define COMMAND_DATA_SIZE 8
 273
 274 /**
 275  * PCI General Information
 276  */
 277 typedef struct {
 278   uint32_t nv_pck_lbn;      /**< sector address of this nav pack */
 279   uint16_t vobu_cat;        /**< 'category' of vobu */
 280   uint16_t zero1;           /**< reserved */
 281   user_ops_t vobu_uop_ctl;  /**< UOP of vobu */
 282   uint32_t vobu_s_ptm;      /**< start presentation time of vobu */
 283   uint32_t vobu_e_ptm;      /**< end presentation time of vobu */
 284   uint32_t vobu_se_e_ptm;   /**< end ptm of sequence end in vobu */
 285   dvd_time_t e_eltm;        /**< Cell elapsed time */
 286   char vobu_isrc[32];
 287 } ATTRIBUTE_PACKED pci_gi_t;
 288
 289 /**
 290  * Non Seamless Angle Information
 291  */
 292 typedef struct {
 293   uint32_t nsml_agl_dsta[9];  /**< address of destination vobu in AGL_C#n */
 294 } ATTRIBUTE_PACKED nsml_agli_t;
 295
 296 /**
 297  * Highlight General Information
 298  *
 299  * For btngrX_dsp_ty the bits have the following meaning:
 300  * 000b: normal 4/3 only buttons
 301  * XX1b: wide (16/9) buttons
 302  * X1Xb: letterbox buttons
 303  * 1XXb: pan&scan buttons
 304  */
 305 typedef struct {
 306   uint16_t hli_ss; /**< status, only low 2 bits 0: no buttons, 1: different 2: equal 3: eual except for button cmds */
 307   uint32_t hli_s_ptm;              /**< start ptm of hli */
 308   uint32_t hli_e_ptm;              /**< end ptm of hli */
 309   uint32_t btn_se_e_ptm;           /**< end ptm of button select */
 310 #ifdef WORDS_BIGENDIAN
 311   unsigned char zero1 : 2;          /**< reserved */
 312   unsigned char btngr_ns : 2;       /**< number of button groups 1, 2 or 3 with 36/18/12 buttons */
 313   unsigned char zero2 : 1;          /**< reserved */
 314   unsigned char btngr1_dsp_ty : 3;  /**< display type of subpic stream for button group 1 */
 315   unsigned char zero3 : 1;          /**< reserved */
 316   unsigned char btngr2_dsp_ty : 3;  /**< display type of subpic stream for button group 2 */
 317   unsigned char zero4 : 1;          /**< reserved */
 318   unsigned char btngr3_dsp_ty : 3;  /**< display type of subpic stream for button group 3 */
 319 #else
 320   unsigned char btngr1_dsp_ty : 3;
 321   unsigned char zero2 : 1;
 322   unsigned char btngr_ns : 2;
 323   unsigned char zero1 : 2;
 324   unsigned char btngr3_dsp_ty : 3;
 325   unsigned char zero4 : 1;
 326   unsigned char btngr2_dsp_ty : 3;
 327   unsigned char zero3 : 1;
 328 #endif
 329   uint8_t btn_ofn;     /**< button offset number range 0-255 */
 330   uint8_t btn_ns;      /**< number of valid buttons  <= 36/18/12 (low 6 bits) */
 331   uint8_t nsl_btn_ns;  /**< number of buttons selectable by U_BTNNi (low 6 bits)   nsl_btn_ns <= btn_ns */
 332   uint8_t zero5;       /**< reserved */
 333   uint8_t fosl_btnn;   /**< forcedly selected button  (low 6 bits) */
 334   uint8_t foac_btnn;   /**< forcedly activated button (low 6 bits) */
 335 } ATTRIBUTE_PACKED hl_gi_t;
 336
 337
 338 /**
 339  * Button Color Information Table
 340  * Each entry beeing a 32bit word that contains the color indexs and alpha
 341  * values to use.  They are all represented by 4 bit number and stored
 342  * like this [Ci3, Ci2, Ci1, Ci0, A3, A2, A1, A0].   The actual palette
 343  * that the indexes reference is in the PGC.
 344  * \todo split the uint32_t into a struct
 345  */
 346 typedef struct {
 347   uint32_t btn_coli[3][2];  /**< [button color number-1][select:0/action:1] */
 348 } ATTRIBUTE_PACKED btn_colit_t;
 349
 350 /**
 351  * Button Information
 352  *
 353  * NOTE: I've had to change the structure from the disk layout to get
 354  * the packing to work with Sun's Forte C compiler.
 355  * The 4 and 7 bytes are 'rotated' was: ABC DEF GHIJ  is: ABCG DEFH IJ
 356  */
 357 typedef struct {
 358 #ifdef WORDS_BIGENDIAN
 359   uint32        btn_coln         : 2;  /**< button color number */
 360   uint32        x_start          : 10; /**< x start offset within the overlay */
 361   uint32        zero1            : 2;  /**< reserved */
 362   uint32        x_end            : 10; /**< x end offset within the overlay */
 363
 364   uint32        zero3            : 2;  /**< reserved */
 365   uint32        up               : 6;  /**< button index when pressing up */
 366
 367   uint32        auto_action_mode : 2;  /**< 0: no, 1: activated if selected */
 368   uint32        y_start          : 10; /**< y start offset within the overlay */
 369   uint32        zero2            : 2;  /**< reserved */
 370   uint32        y_end            : 10; /**< y end offset within the overlay */
 371
 372   uint32        zero4            : 2;  /**< reserved */
 373   uint32        down             : 6;  /**< button index when pressing down */
 374   unsigned char zero5            : 2;  /**< reserved */
 375   unsigned char left             : 6;  /**< button index when pressing left */
 376   unsigned char zero6            : 2;  /**< reserved */
 377   unsigned char right            : 6;  /**< button index when pressing right */
 378 #else
 379   uint32        x_end            : 10;
 380   uint32        zero1            : 2;
 381   uint32        x_start          : 10;
 382   uint32        btn_coln         : 2;
 383
 384   uint32        up               : 6;
 385   uint32        zero3            : 2;
 386
 387   uint32        y_end            : 10;
 388   uint32        zero2            : 2;
 389   uint32        y_start          : 10;
 390   uint32        auto_action_mode : 2;
 391
 392   uint32        down             : 6;
 393   uint32        zero4            : 2;
 394   unsigned char left             : 6;
 395   unsigned char zero5            : 2;
 396   unsigned char right            : 6;
 397   unsigned char zero6            : 2;
 398 #endif
 399   vm_cmd_t cmd;
 400 } ATTRIBUTE_PACKED btni_t;
 401
 402 /**
 403  * Highlight Information
 404  */
 405 typedef struct {
 406   hl_gi_t     hl_gi;
 407   btn_colit_t btn_colit;
 408   btni_t      btnit[36];
 409 } ATTRIBUTE_PACKED hli_t;
 410
 411 /**
 412  * PCI packet
 413  */
 414 typedef struct {
 415   pci_gi_t    pci_gi;
 416   nsml_agli_t nsml_agli;
 417   hli_t       hli;
 418   uint8_t     zero1[189];
 419 } ATTRIBUTE_PACKED pci_t;
 420
 421
 422 #if PRAGMA_PACK
 423 #pragma pack()
 424 #endif
 425 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 426
 427
 428 /**
 429  * What's between a directory and a filename?
 430  */
 431 #if defined( WIN32 )
 432     #define DIRECTORY_SEPARATOR '\\'
 433 #else
 434     #define DIRECTORY_SEPARATOR '/'
 435 #endif
 436
 437 using namespace LIBMATROSKA_NAMESPACE;
 438 using namespace std;
 439
 440 /*****************************************************************************
 441  * Local prototypes
 442  *****************************************************************************/
 443 #ifdef HAVE_ZLIB_H
 444 block_t *block_zlib_decompress( vlc_object_t *p_this, block_t *p_in_block ) {
 445     int result, dstsize, n;
 446     unsigned char *dst;
 447     block_t *p_block;
 448     z_stream d_stream;
 449
 450     d_stream.zalloc = (alloc_func)0;
 451     d_stream.zfree = (free_func)0;
 452     d_stream.opaque = (voidpf)0;
 453     result = inflateInit(&d_stream);
 454     if( result != Z_OK )
 455     {
 456         msg_Dbg( p_this, "inflateInit() failed. Result: %d", result );
 457         return NULL;
 458     }
 459
 460     d_stream.next_in = (Bytef *)p_in_block->p_buffer;
 461     d_stream.avail_in = p_in_block->i_buffer;
 462     n = 0;
 463     p_block = block_New( p_this, 0 );
 464     dst = NULL;
 465     do
 466     {
 467         n++;
 468         p_block = block_Realloc( p_block, 0, n * 1000 );
 469         dst = (unsigned char *)p_block->p_buffer;
 470         d_stream.next_out = (Bytef *)&dst[(n - 1) * 1000];
 471         d_stream.avail_out = 1000;
 472         result = inflate(&d_stream, Z_NO_FLUSH);
 473         if( ( result != Z_OK ) && ( result != Z_STREAM_END ) )
 474         {
 475             msg_Dbg( p_this, "Zlib decompression failed. Result: %d", result );
 476             return NULL;
 477         }
 478     }
 479     while( ( d_stream.avail_out == 0 ) && ( d_stream.avail_in != 0 ) &&
 480            ( result != Z_STREAM_END ) );
 481
 482     dstsize = d_stream.total_out;
 483     inflateEnd( &d_stream );
 484
 485     p_block = block_Realloc( p_block, 0, dstsize );
 486     p_block->i_buffer = dstsize;
 487     block_Release( p_in_block );
 488
 489     return p_block;
 490 }
 491 #endif
 492
 493 /**
 494  * Helper function to print the mkv parse tree
 495  */
 496 static void MkvTree( demux_t & demuxer, int i_level, const char *psz_format, ... )
 497 {
 498     va_list args;
 499     if( i_level > 9 )
 500     {
 501         msg_Err( &demuxer, "too deep tree" );
 502         return;
 503     }
 504     va_start( args, psz_format );
 505     static const char psz_foo[] = "|   |   |   |   |   |   |   |   |   |";
 506     char *psz_foo2 = (char*)malloc( ( i_level * 4 + 3 + strlen( psz_format ) ) * sizeof(char) );
 507     strncpy( psz_foo2, psz_foo, 4 * i_level );
 508     psz_foo2[ 4 * i_level ] = '+';
 509     psz_foo2[ 4 * i_level + 1 ] = ' ';
 510     strcpy( &psz_foo2[ 4 * i_level + 2 ], psz_format );
 511     __msg_GenericVa( VLC_OBJECT(&demuxer),VLC_MSG_DBG, "mkv", psz_foo2, args );
 512     free( psz_foo2 );
 513     va_end( args );
 514 }
 515
 516 /*****************************************************************************
 517  * Stream managment
 518  *****************************************************************************/
 519 class vlc_stream_io_callback: public IOCallback
 520 {
 521   private:
 522     stream_t       *s;
 523     bool           mb_eof;
 524     bool           b_owner;
 525
 526   public:
 527     vlc_stream_io_callback( stream_t *, bool );
 528
 529     virtual ~vlc_stream_io_callback()
 530     {
 531         if( b_owner )
 532             stream_Delete( s );
 533     }
 534
 535     virtual uint32   read            ( void *p_buffer, size_t i_size);
 536     virtual void     setFilePointer  ( int64_t i_offset, seek_mode mode = seek_beginning );
 537     virtual size_t   write           ( const void *p_buffer, size_t i_size);
 538     virtual uint64   getFilePointer  ( void );
 539     virtual void     close           ( void );
 540 };
 541
 542 /*****************************************************************************
 543  * Ebml Stream parser
 544  *****************************************************************************/
 545 class EbmlParser
 546 {
 547   public:
 548     EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux );
 549     virtual ~EbmlParser( void );
 550
 551     void Up( void );
 552     void Down( void );
 553     void Reset( demux_t *p_demux );
 554     EbmlElement *Get( void );
 555     void        Keep( void );
 556     EbmlElement *UnGet( uint64 i_block_pos, uint64 i_cluster_pos );
 557
 558     int  GetLevel( void );
 559
 560     /* Is the provided element presents in our upper elements */
 561     bool IsTopPresent( EbmlElement * );
 562
 563   private:
 564     EbmlStream  *m_es;
 565     int         mi_level;
 566     EbmlElement *m_el[10];
 567     int64_t      mi_remain_size[10];
 568
 569     EbmlElement *m_got;
 570
 571     int         mi_user_level;
 572     bool        mb_keep;
 573     bool        mb_dummy;
 574 };
 575
 576
 577 /*****************************************************************************
 578  * Some functions to manipulate memory
 579  *****************************************************************************/
 580 #define GetFOURCC( p )  __GetFOURCC( (uint8_t*)p )
 581 static vlc_fourcc_t __GetFOURCC( uint8_t *p )
 582 {
 583     return VLC_FOURCC( p[0], p[1], p[2], p[3] );
 584 }
 585
 586 /*****************************************************************************
 587  * definitions of structures and functions used by this plugins
 588  *****************************************************************************/
 589 typedef struct
 590 {
 591 //    ~mkv_track_t();
 592
 593     bool         b_default;
 594     bool         b_enabled;
 595     unsigned int i_number;
 596
 597     int          i_extra_data;
 598     uint8_t      *p_extra_data;
 599
 600     char         *psz_codec;
 601
 602     uint64_t     i_default_duration;
 603     float        f_timecodescale;
 604     mtime_t      i_last_dts;
 605
 606     /* video */
 607     es_format_t fmt;
 608     float       f_fps;
 609     es_out_id_t *p_es;
 610
 611     /* audio */
 612     unsigned int i_original_rate;
 613
 614     bool            b_inited;
 615     /* data to be send first */
 616     int             i_data_init;
 617     uint8_t         *p_data_init;
 618
 619     /* hack : it's for seek */
 620     bool            b_search_keyframe;
 621     bool            b_silent;
 622
 623     /* informative */
 624     const char   *psz_codec_name;
 625     const char   *psz_codec_settings;
 626     const char   *psz_codec_info_url;
 627     const char   *psz_codec_download_url;
 628
 629     /* encryption/compression */
 630     int                    i_compression_type;
 631     KaxContentCompSettings *p_compression_data;
 632
 633 } mkv_track_t;
 634
 635 typedef struct
 636 {
 637     int     i_track;
 638     int     i_block_number;
 639
 640     int64_t i_position;
 641     int64_t i_time;
 642
 643     bool       b_key;
 644 } mkv_index_t;
 645
 646 class demux_sys_t;
 647
 648 const binary MATROSKA_DVD_LEVEL_SS   = 0x30;
 649 const binary MATROSKA_DVD_LEVEL_LU   = 0x2A;
 650 const binary MATROSKA_DVD_LEVEL_TT   = 0x28;
 651 const binary MATROSKA_DVD_LEVEL_PGC  = 0x20;
 652 const binary MATROSKA_DVD_LEVEL_PG   = 0x18;
 653 const binary MATROSKA_DVD_LEVEL_PTT  = 0x10;
 654 const binary MATROSKA_DVD_LEVEL_CN   = 0x08;
 655
 656 class chapter_codec_cmds_c
 657 {
 658 public:
 659     chapter_codec_cmds_c( demux_sys_t & demuxer, int codec_id = -1)
 660     :p_private_data(NULL)
 661     ,i_codec_id( codec_id )
 662     ,sys( demuxer )
 663     {}
 664
 665     virtual ~chapter_codec_cmds_c()
 666     {
 667         delete p_private_data;
 668         std::vector<KaxChapterProcessData*>::iterator indexe = enter_cmds.begin();
 669         while ( indexe != enter_cmds.end() )
 670         {
 671             delete (*indexe);
 672             indexe++;
 673         }
 674         std::vector<KaxChapterProcessData*>::iterator indexl = leave_cmds.begin();
 675         while ( indexl != leave_cmds.end() )
 676         {
 677             delete (*indexl);
 678             indexl++;
 679         }
 680         std::vector<KaxChapterProcessData*>::iterator indexd = during_cmds.begin();
 681         while ( indexd != during_cmds.end() )
 682         {
 683             delete (*indexd);
 684             indexd++;
 685         }
 686     }
 687
 688     void SetPrivate( const KaxChapterProcessPrivate & private_data )
 689     {
 690         p_private_data = new KaxChapterProcessPrivate( private_data );
 691     }
 692
 693     void AddCommand( const KaxChapterProcessCommand & command );
 694
 695     /// \return wether the codec has seeked in the files or not
 696     virtual bool Enter() { return false; }
 697     virtual bool Leave() { return false; }
 698     virtual std::string GetCodecName( bool f_for_title = false ) const { return ""; }
 699     virtual int16 GetTitleNumber() { return -1; }
 700
 701     KaxChapterProcessPrivate *p_private_data;
 702
 703 protected:
 704     std::vector<KaxChapterProcessData*> enter_cmds;
 705     std::vector<KaxChapterProcessData*> during_cmds;
 706     std::vector<KaxChapterProcessData*> leave_cmds;
 707
 708     int i_codec_id;
 709     demux_sys_t & sys;
 710 };
 711
 712 class dvd_command_interpretor_c
 713 {
 714 public:
 715     dvd_command_interpretor_c( demux_sys_t & demuxer )
 716     :sys( demuxer )
 717     {
 718         memset( p_PRMs, 0, sizeof(p_PRMs) );
 719         p_PRMs[ 0x80 + 1 ] = 15;
 720         p_PRMs[ 0x80 + 2 ] = 62;
 721         p_PRMs[ 0x80 + 3 ] = 1;
 722         p_PRMs[ 0x80 + 4 ] = 1;
 723         p_PRMs[ 0x80 + 7 ] = 1;
 724         p_PRMs[ 0x80 + 8 ] = 1;
 725         p_PRMs[ 0x80 + 16 ] = 0xFFFFu;
 726         p_PRMs[ 0x80 + 18 ] = 0xFFFFu;
 727     }
 728
 729     bool Interpret( const binary * p_command, size_t i_size = 8 );
 730
 731     uint16 GetPRM( size_t index ) const
 732     {
 733         if ( index < 256 )
 734             return p_PRMs[ index ];
 735         else return 0;
 736     }
 737
 738     uint16 GetGPRM( size_t index ) const
 739     {
 740         if ( index >= 0 && index < 16 )
 741             return p_PRMs[ index ];
 742         else return 0;
 743     }
 744
 745     uint16 GetSPRM( size_t index ) const
 746     {
 747         // 21,22,23 reserved for future use
 748         if ( index >= 0x80 && index < 0x95 )
 749             return p_PRMs[ index ];
 750         else return 0;
 751     }
 752
 753     bool SetPRM( size_t index, uint16 value )
 754     {
 755         if ( index >= 0 && index < 16 )
 756         {
 757             p_PRMs[ index ] = value;
 758             return true;
 759         }
 760         return false;
 761     }
 762
 763     bool SetGPRM( size_t index, uint16 value )
 764     {
 765         if ( index >= 0 && index < 16 )
 766         {
 767             p_PRMs[ index ] = value;
 768             return true;
 769         }
 770         return false;
 771     }
 772
 773     bool SetSPRM( size_t index, uint16 value )
 774     {
 775         if ( index > 0x80 && index <= 0x8D && index != 0x8C )
 776         {
 777             p_PRMs[ index ] = value;
 778             return true;
 779         }
 780         return false;
 781     }
 782
 783 protected:
 784     std::string GetRegTypeName( bool b_value, uint16 value ) const
 785     {
 786         std::string result;
 787         char s_value[6], s_reg_value[6];
 788         sprintf( s_value, "%.5d", value );
 789
 790         if ( b_value )
 791         {
 792             result = "value (";
 793             result += s_value;
 794             result += ")";
 795         }
 796         else if ( value < 0x80 )
 797         {
 798             sprintf( s_reg_value, "%.5d", GetPRM( value ) );
 799             result = "GPreg[";
 800             result += s_value;
 801             result += "] (";
 802             result += s_reg_value;
 803             result += ")";
 804         }
 805         else
 806         {
 807             sprintf( s_reg_value, "%.5d", GetPRM( value ) );
 808             result = "SPreg[";
 809             result += s_value;
 810             result += "] (";
 811             result += s_reg_value;
 812             result += ")";
 813         }
 814         return result;
 815     }
 816
 817     uint16       p_PRMs[256];
 818     demux_sys_t  & sys;
 819
 820     // DVD command IDs
 821
 822     // Tests
 823     // wether it's a comparison on the value or register
 824     static const uint16 CMD_DVD_TEST_VALUE          = 0x80;
 825     static const uint16 CMD_DVD_IF_GPREG_AND        = (1 << 4);
 826     static const uint16 CMD_DVD_IF_GPREG_EQUAL      = (2 << 4);
 827     static const uint16 CMD_DVD_IF_GPREG_NOT_EQUAL  = (3 << 4);
 828     static const uint16 CMD_DVD_IF_GPREG_SUP_EQUAL  = (4 << 4);
 829     static const uint16 CMD_DVD_IF_GPREG_SUP        = (5 << 4);
 830     static const uint16 CMD_DVD_IF_GPREG_INF_EQUAL  = (6 << 4);
 831     static const uint16 CMD_DVD_IF_GPREG_INF        = (7 << 4);
 832
 833     static const uint16 CMD_DVD_NOP                    = 0x0000;
 834     static const uint16 CMD_DVD_GOTO_LINE              = 0x0001;
 835     static const uint16 CMD_DVD_BREAK                  = 0x0002;
 836     // Links
 837     static const uint16 CMD_DVD_NOP2                   = 0x2001;
 838     static const uint16 CMD_DVD_LINKPGCN               = 0x2004;
 839     static const uint16 CMD_DVD_LINKPGN                = 0x2006;
 840     static const uint16 CMD_DVD_LINKCN                 = 0x2007;
 841     static const uint16 CMD_DVD_JUMP_TT                = 0x3002;
 842     static const uint16 CMD_DVD_JUMPVTS_TT             = 0x3003;
 843     static const uint16 CMD_DVD_JUMPVTS_PTT            = 0x3005;
 844     static const uint16 CMD_DVD_JUMP_SS                = 0x3006;
 845     static const uint16 CMD_DVD_CALLSS_VTSM1           = 0x3008;
 846     //
 847     static const uint16 CMD_DVD_SET_HL_BTNN2           = 0x4600;
 848     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN1  = 0x4604;
 849     static const uint16 CMD_DVD_SET_STREAM             = 0x5100;
 850     static const uint16 CMD_DVD_SET_GPRMMD             = 0x5300;
 851     static const uint16 CMD_DVD_SET_HL_BTNN1           = 0x5600;
 852     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN2  = 0x5604;
 853     static const uint16 CMD_DVD_SET_HL_BTNN_LINKCN     = 0x5607;
 854     // Operations
 855     static const uint16 CMD_DVD_MOV_SPREG_PREG         = 0x6100;
 856     static const uint16 CMD_DVD_GPREG_MOV_VALUE        = 0x7100;
 857     static const uint16 CMD_DVD_SUB_GPREG              = 0x7400;
 858     static const uint16 CMD_DVD_MULT_GPREG             = 0x7500;
 859     static const uint16 CMD_DVD_GPREG_DIV_VALUE        = 0x7600;
 860     static const uint16 CMD_DVD_GPREG_AND_VALUE        = 0x7900;
 861
 862     // callbacks when browsing inside CodecPrivate
 863     static bool MatchIsDomain     ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 864     static bool MatchIsVMG        ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 865     static bool MatchVTSNumber    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 866     static bool MatchVTSMNumber   ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 867     static bool MatchTitleNumber  ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 868     static bool MatchPgcType      ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 869     static bool MatchPgcNumber    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 870     static bool MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 871     static bool MatchCellNumber   ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 872 };
 873
 874 class dvd_chapter_codec_c : public chapter_codec_cmds_c
 875 {
 876 public:
 877     dvd_chapter_codec_c( demux_sys_t & sys )
 878     :chapter_codec_cmds_c( sys, 1 )
 879     {}
 880
 881     bool Enter();
 882     bool Leave();
 883     std::string GetCodecName( bool f_for_title = false ) const;
 884     int16 GetTitleNumber();
 885 };
 886
 887 class matroska_script_interpretor_c
 888 {
 889 public:
 890     matroska_script_interpretor_c( demux_sys_t & demuxer )
 891     :sys( demuxer )
 892     {}
 893
 894     bool Interpret( const binary * p_command, size_t i_size );
 895
 896     // DVD command IDs
 897     static const std::string CMD_MS_GOTO_AND_PLAY;
 898
 899 protected:
 900     demux_sys_t  & sys;
 901 };
 902
 903 const std::string matroska_script_interpretor_c::CMD_MS_GOTO_AND_PLAY = "GotoAndPlay";
 904
 905
 906 class matroska_script_codec_c : public chapter_codec_cmds_c
 907 {
 908 public:
 909     matroska_script_codec_c( demux_sys_t & sys )
 910     :chapter_codec_cmds_c( sys, 0 )
 911     ,interpretor( sys )
 912     {}
 913
 914     bool Enter();
 915     bool Leave();
 916
 917 protected:
 918     matroska_script_interpretor_c interpretor;
 919 };
 920
 921 class chapter_translation_c
 922 {
 923 public:
 924     chapter_translation_c()
 925         :p_translated(NULL)
 926     {}
 927
 928     ~chapter_translation_c()
 929     {
 930         delete p_translated;
 931     }
 932
 933     KaxChapterTranslateID  *p_translated;
 934     unsigned int           codec_id;
 935     std::vector<uint64_t>  editions;
 936 };
 937
 938 class chapter_item_c
 939 {
 940 public:
 941     chapter_item_c()
 942     :i_start_time(0)
 943     ,i_end_time(-1)
 944     ,i_user_start_time(-1)
 945     ,i_user_end_time(-1)
 946     ,i_seekpoint_num(-1)
 947     ,b_display_seekpoint(true)
 948     ,b_user_display(false)
 949     ,psz_parent(NULL)
 950     ,b_is_leaving(false)
 951     {}
 952
 953     virtual ~chapter_item_c()
 954     {
 955         std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
 956         while ( index != codecs.end() )
 957         {
 958             delete (*index);
 959             index++;
 960         }
 961         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
 962         while ( index_ != sub_chapters.end() )
 963         {
 964             delete (*index_);
 965             index_++;
 966         }
 967     }
 968
 969     int64_t RefreshChapters( bool b_ordered, int64_t i_prev_user_time );
 970     int PublishChapters( input_title_t & title, int & i_user_chapters, int i_level = 0 );
 971     virtual chapter_item_c * FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current, bool & b_found );
 972     void Append( const chapter_item_c & edition );
 973     chapter_item_c * FindChapter( int64_t i_find_uid );
 974     virtual chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
 975                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
 976                                     const void *p_cookie,
 977                                     size_t i_cookie_size );
 978     std::string                 GetCodecName( bool f_for_title = false ) const;
 979     bool                        ParentOf( const chapter_item_c & item ) const;
 980     int16                       GetTitleNumber( ) const;
 981
 982     int64_t                     i_start_time, i_end_time;
 983     int64_t                     i_user_start_time, i_user_end_time; /* the time in the stream when an edition is ordered */
 984     std::vector<chapter_item_c*> sub_chapters;
 985     int                         i_seekpoint_num;
 986     int64_t                     i_uid;
 987     bool                        b_display_seekpoint;
 988     bool                        b_user_display;
 989     std::string                 psz_name;
 990     chapter_item_c              *psz_parent;
 991     bool                        b_is_leaving;
 992
 993     std::vector<chapter_codec_cmds_c*> codecs;
 994
 995     static bool CompareTimecode( const chapter_item_c * itemA, const chapter_item_c * itemB )
 996     {
 997         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) );
 998     }
 999
1000     bool Enter( bool b_do_subchapters );
1001     bool Leave( bool b_do_subchapters );
1002     bool EnterAndLeave( chapter_item_c *p_item, bool b_enter = true );
1003 };
1004
1005 class chapter_edition_c : public chapter_item_c
1006 {
1007 public:
1008     chapter_edition_c()
1009     :b_ordered(false)
1010     {}
1011
1012     void RefreshChapters( );
1013     mtime_t Duration() const;
1014     std::string GetMainName() const;
1015     chapter_item_c * FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current );
1016
1017     bool                        b_ordered;
1018 };
1019
1020 class matroska_segment_c
1021 {
1022 public:
1023     matroska_segment_c( demux_sys_t & demuxer, EbmlStream & estream )
1024         :segment(NULL)
1025         ,es(estream)
1026         ,i_timescale(MKVD_TIMECODESCALE)
1027         ,i_duration(-1)
1028         ,i_start_time(0)
1029         ,i_cues_position(-1)
1030         ,i_info_position(-1)
1031         ,i_chapters_position(-1)
1032         ,i_tags_position(-1)
1033         ,i_tracks_position(-1)
1034         ,i_attachments_position(-1)
1035         ,i_seekhead_position(-1)
1036         ,i_seekhead_count(0)
1037         ,cluster(NULL)
1038         ,i_block_pos(0)
1039         ,i_cluster_pos(0)
1040         ,i_start_pos(0)
1041         ,p_segment_uid(NULL)
1042         ,p_prev_segment_uid(NULL)
1043         ,p_next_segment_uid(NULL)
1044         ,b_cues(false)
1045         ,i_index(0)
1046         ,i_index_max(1024)
1047         ,psz_muxing_application(NULL)
1048         ,psz_writing_application(NULL)
1049         ,psz_segment_filename(NULL)
1050         ,psz_title(NULL)
1051         ,psz_date_utc(NULL)
1052         ,i_default_edition(0)
1053         ,sys(demuxer)
1054         ,ep(NULL)
1055         ,b_preloaded(false)
1056     {
1057         p_indexes = (mkv_index_t*)malloc( sizeof( mkv_index_t ) * i_index_max );
1058     }
1059
1060     virtual ~matroska_segment_c()
1061     {
1062         for( size_t i_track = 0; i_track < tracks.size(); i_track++ )
1063         {
1064             delete tracks[i_track]->p_compression_data;
1065             es_format_Clean( &tracks[i_track]->fmt );
1066             free( tracks[i_track]->p_extra_data );
1067             free( tracks[i_track]->psz_codec );
1068             delete tracks[i_track];
1069         }
1070
1071         free( psz_writing_application );
1072         free( psz_muxing_application );
1073         free( psz_segment_filename );
1074         free( psz_title );
1075         free( psz_date_utc );
1076         free( p_indexes );
1077
1078         delete ep;
1079         delete segment;
1080         delete p_segment_uid;
1081         delete p_prev_segment_uid;
1082         delete p_next_segment_uid;
1083
1084         std::vector<chapter_edition_c*>::iterator index = stored_editions.begin();
1085         while ( index != stored_editions.end() )
1086         {
1087             delete (*index);
1088             index++;
1089         }
1090         std::vector<chapter_translation_c*>::iterator indext = translations.begin();
1091         while ( indext != translations.end() )
1092         {
1093             delete (*indext);
1094             indext++;
1095         }
1096         std::vector<KaxSegmentFamily*>::iterator indexf = families.begin();
1097         while ( indexf != families.end() )
1098         {
1099             delete (*indexf);
1100             indexf++;
1101         }
1102     }
1103
1104     KaxSegment              *segment;
1105     EbmlStream              & es;
1106
1107     /* time scale */
1108     uint64_t                i_timescale;
1109
1110     /* duration of the segment */
1111     mtime_t                 i_duration;
1112     mtime_t                 i_start_time;
1113
1114     /* all tracks */
1115     std::vector<mkv_track_t*> tracks;
1116
1117     /* from seekhead */
1118     int                     i_seekhead_count;
1119     int64_t                 i_seekhead_position;
1120     int64_t                 i_cues_position;
1121     int64_t                 i_tracks_position;
1122     int64_t                 i_info_position;
1123     int64_t                 i_chapters_position;
1124     int64_t                 i_tags_position;
1125     int64_t                 i_attachments_position;
1126
1127     KaxCluster              *cluster;
1128     uint64                  i_block_pos;
1129     uint64                  i_cluster_pos;
1130     int64_t                 i_start_pos;
1131     KaxSegmentUID           *p_segment_uid;
1132     KaxPrevUID              *p_prev_segment_uid;
1133     KaxNextUID              *p_next_segment_uid;
1134
1135     bool                    b_cues;
1136     int                     i_index;
1137     int                     i_index_max;
1138     mkv_index_t             *p_indexes;
1139
1140     /* info */
1141     char                    *psz_muxing_application;
1142     char                    *psz_writing_application;
1143     char                    *psz_segment_filename;
1144     char                    *psz_title;
1145     char                    *psz_date_utc;
1146
1147     /* !!!!! GCC 3.3 bug on Darwin !!!!! */
1148     /* when you remove this variable the compiler issues an atomicity error */
1149     /* this variable only works when using std::vector<chapter_edition_c> */
1150     std::vector<chapter_edition_c*> stored_editions;
1151     int                             i_default_edition;
1152
1153     std::vector<chapter_translation_c*> translations;
1154     std::vector<KaxSegmentFamily*>  families;
1155
1156     demux_sys_t                    & sys;
1157     EbmlParser                     *ep;
1158     bool                           b_preloaded;
1159
1160     bool Preload( );
1161     bool LoadSeekHeadItem( const EbmlCallbacks & ClassInfos, int64_t i_element_position );
1162     bool PreloadFamily( const matroska_segment_c & segment );
1163     void ParseInfo( KaxInfo *info );
1164     void ParseAttachments( KaxAttachments *attachments );
1165     void ParseChapters( KaxChapters *chapters );
1166     void ParseSeekHead( KaxSeekHead *seekhead );
1167     void ParseTracks( KaxTracks *tracks );
1168     void ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters );
1169     void ParseTrackEntry( KaxTrackEntry *m );
1170     void ParseCluster( );
1171     void IndexAppendCluster( KaxCluster *cluster );
1172     void LoadCues( KaxCues *cues );
1173     void LoadTags( KaxTags *tags );
1174     void InformationCreate( );
1175     void Seek( mtime_t i_date, mtime_t i_time_offset, int64_t i_global_position );
1176 #if LIBMATROSKA_VERSION >= 0x000800
1177     int BlockGet( KaxBlock * &, KaxSimpleBlock * &, int64_t *, int64_t *, int64_t *);
1178 #else
1179     int BlockGet( KaxBlock * &, int64_t *, int64_t *, int64_t *);
1180 #endif
1181
1182     int BlockFindTrackIndex( size_t *pi_track,
1183                              const KaxBlock *p_block
1184 #if LIBMATROSKA_VERSION >= 0x000800
1185                              , const KaxSimpleBlock *p_simpleblock
1186 #endif
1187                            );
1188
1189
1190     bool Select( mtime_t i_start_time );
1191     void UnSelect( );
1192
1193     static bool CompareSegmentUIDs( const matroska_segment_c * item_a, const matroska_segment_c * item_b );
1194 };
1195
1196 // class holding hard-linked segment together in the playback order
1197 class virtual_segment_c
1198 {
1199 public:
1200     virtual_segment_c( matroska_segment_c *p_segment )
1201         :p_editions(NULL)
1202         ,i_sys_title(0)
1203         ,i_current_segment(0)
1204         ,i_current_edition(-1)
1205         ,psz_current_chapter(NULL)
1206     {
1207         linked_segments.push_back( p_segment );
1208
1209         AppendUID( p_segment->p_segment_uid );
1210         AppendUID( p_segment->p_prev_segment_uid );
1211         AppendUID( p_segment->p_next_segment_uid );
1212     }
1213
1214     void Sort();
1215     size_t AddSegment( matroska_segment_c *p_segment );
1216     void PreloadLinked( );
1217     mtime_t Duration( ) const;
1218     void Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter, int64_t i_global_position );
1219
1220     inline chapter_edition_c *Edition()
1221     {
1222         if ( i_current_edition >= 0 && size_t(i_current_edition) < p_editions->size() )
1223             return (*p_editions)[i_current_edition];
1224         return NULL;
1225     }
1226
1227     matroska_segment_c * Segment() const
1228     {
1229         if ( linked_segments.size() == 0 || i_current_segment >= linked_segments.size() )
1230             return NULL;
1231         return linked_segments[i_current_segment];
1232     }
1233
1234     inline chapter_item_c *CurrentChapter() {
1235         return psz_current_chapter;
1236     }
1237
1238     bool SelectNext()
1239     {
1240         if ( i_current_segment < linked_segments.size()-1 )
1241         {
1242             i_current_segment++;
1243             return true;
1244         }
1245         return false;
1246     }
1247
1248     bool FindUID( KaxSegmentUID & uid ) const
1249     {
1250         for ( size_t i=0; i<linked_uids.size(); i++ )
1251         {
1252             if ( linked_uids[i] == uid )
1253                 return true;
1254         }
1255         return false;
1256     }
1257
1258     bool UpdateCurrentToChapter( demux_t & demux );
1259     void PrepareChapters( );
1260
1261     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
1262                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
1263                                         const void *p_cookie,
1264                                         size_t i_cookie_size );
1265     chapter_item_c *FindChapter( int64_t i_find_uid );
1266
1267     std::vector<chapter_edition_c*>  *p_editions;
1268     int                              i_sys_title;
1269
1270 protected:
1271     std::vector<matroska_segment_c*> linked_segments;
1272     std::vector<KaxSegmentUID>       linked_uids;
1273     size_t                           i_current_segment;
1274
1275     int                              i_current_edition;
1276     chapter_item_c                   *psz_current_chapter;
1277
1278     void                             AppendUID( const EbmlBinary * UID );
1279 };
1280
1281 class matroska_stream_c
1282 {
1283 public:
1284     matroska_stream_c( demux_sys_t & demuxer )
1285         :p_in(NULL)
1286         ,p_es(NULL)
1287         ,sys(demuxer)
1288     {}
1289
1290     virtual ~matroska_stream_c()
1291     {
1292         delete p_in;
1293         delete p_es;
1294     }
1295
1296     IOCallback         *p_in;
1297     EbmlStream         *p_es;
1298
1299     std::vector<matroska_segment_c*> segments;
1300
1301     demux_sys_t                      & sys;
1302 };
1303
1304 typedef struct
1305 {
1306     VLC_COMMON_MEMBERS
1307
1308     demux_t        *p_demux;
1309     vlc_mutex_t     lock;
1310
1311     bool            b_moved;
1312     bool            b_clicked;
1313     int             i_key_action;
1314
1315 } event_thread_t;
1316
1317
1318 class attachment_c
1319 {
1320 public:
1321     attachment_c()
1322         :p_data(NULL)
1323         ,i_size(0)
1324     {}
1325     virtual ~attachment_c()
1326     {
1327         free( p_data );
1328     }
1329
1330     std::string    psz_file_name;
1331     std::string    psz_mime_type;
1332     void          *p_data;
1333     int            i_size;
1334 };
1335
1336 class demux_sys_t
1337 {
1338 public:
1339     demux_sys_t( demux_t & demux )
1340         :demuxer(demux)
1341         ,i_pts(0)
1342         ,i_start_pts(0)
1343         ,i_chapter_time(0)
1344         ,meta(NULL)
1345         ,i_current_title(0)
1346         ,p_current_segment(NULL)
1347         ,dvd_interpretor( *this )
1348         ,f_duration(-1.0)
1349         ,b_ui_hooked(false)
1350         ,p_input(NULL)
1351         ,b_pci_packet_set(false)
1352         ,p_ev(NULL)
1353     {
1354         vlc_mutex_init( &lock_demuxer );
1355     }
1356
1357     virtual ~demux_sys_t()
1358     {
1359         StopUiThread();
1360         size_t i;
1361         for ( i=0; i<streams.size(); i++ )
1362             delete streams[i];
1363         for ( i=0; i<opened_segments.size(); i++ )
1364             delete opened_segments[i];
1365         for ( i=0; i<used_segments.size(); i++ )
1366             delete used_segments[i];
1367         for ( i=0; i<stored_attachments.size(); i++ )
1368             delete stored_attachments[i];
1369         if( meta ) vlc_meta_Delete( meta );
1370
1371         while( titles.size() )
1372         { vlc_input_title_Delete( titles.back() ); titles.pop_back();}
1373
1374         vlc_mutex_destroy( &lock_demuxer );
1375     }
1376
1377     /* current data */
1378     demux_t                 & demuxer;
1379
1380     mtime_t                 i_pts;
1381     mtime_t                 i_start_pts;
1382     mtime_t                 i_chapter_time;
1383
1384     vlc_meta_t              *meta;
1385
1386     std::vector<input_title_t*>      titles; // matroska editions
1387     size_t                           i_current_title;
1388
1389     std::vector<matroska_stream_c*>  streams;
1390     std::vector<attachment_c*>       stored_attachments;
1391     std::vector<matroska_segment_c*> opened_segments;
1392     std::vector<virtual_segment_c*>  used_segments;
1393     virtual_segment_c                *p_current_segment;
1394
1395     dvd_command_interpretor_c        dvd_interpretor;
1396
1397     /* duration of the stream */
1398     float                   f_duration;
1399
1400     matroska_segment_c *FindSegment( const EbmlBinary & uid ) const;
1401     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
1402                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
1403                                         const void *p_cookie,
1404                                         size_t i_cookie_size,
1405                                         virtual_segment_c * & p_segment_found );
1406     chapter_item_c *FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found );
1407
1408     void PreloadFamily( const matroska_segment_c & of_segment );
1409     void PreloadLinked( matroska_segment_c *p_segment );
1410     bool PreparePlayback( virtual_segment_c *p_new_segment );
1411     matroska_stream_c *AnalyseAllSegmentsFound( demux_t *p_demux, EbmlStream *p_estream, bool b_initial = false );
1412     void JumpTo( virtual_segment_c & p_segment, chapter_item_c * p_chapter );
1413
1414     void StartUiThread();
1415     void StopUiThread();
1416     bool b_ui_hooked;
1417     inline void SwapButtons();
1418
1419     /* for spu variables */
1420     input_thread_t *p_input;
1421     pci_t          pci_packet;
1422     bool           b_pci_packet_set;
1423     uint8_t        palette[4][4];
1424     vlc_mutex_t    lock_demuxer;
1425
1426     /* event */
1427     event_thread_t *p_ev;
1428     static void * EventThread( vlc_object_t *p_this );
1429     static int EventMouse( vlc_object_t *p_this, char const *psz_var,
1430                        vlc_value_t oldval, vlc_value_t newval, void *p_data );
1431     static int EventKey( vlc_object_t *p_this, char const *psz_var,
1432                      vlc_value_t oldval, vlc_value_t newval, void *p_data );
1433
1434
1435
1436 protected:
1437     virtual_segment_c *VirtualFromSegments( matroska_segment_c *p_segment ) const;
1438     bool IsUsedSegment( matroska_segment_c &p_segment ) const;
1439 };
1440
1441 static int  Demux  ( demux_t * );
1442 static int  Control( demux_t *, int, va_list );
1443 static void Seek   ( demux_t *, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter );
1444
1445 #define MKV_IS_ID( el, C ) ( EbmlId( (*el) ) == C::ClassInfos.GlobalId )
1446
1447 static inline char * ToUTF8( const UTFstring &u )
1448 {
1449     return strdup( u.GetUTF8().c_str() );
1450 }
1451
1452 /*****************************************************************************
1453  * Open: initializes matroska demux structures
1454  *****************************************************************************/
1455 static int Open( vlc_object_t * p_this )
1456 {
1457     demux_t            *p_demux = (demux_t*)p_this;
1458     demux_sys_t        *p_sys;
1459     matroska_stream_c  *p_stream;
1460     matroska_segment_c *p_segment;
1461     const uint8_t      *p_peek;
1462     std::string         s_path, s_filename;
1463     vlc_stream_io_callback *p_io_callback;
1464     EbmlStream         *p_io_stream;
1465
1466     /* peek the begining */
1467     if( stream_Peek( p_demux->s, &p_peek, 4 ) < 4 ) return VLC_EGENERIC;
1468
1469     /* is a valid file */
1470     if( p_peek[0] != 0x1a || p_peek[1] != 0x45 ||
1471         p_peek[2] != 0xdf || p_peek[3] != 0xa3 ) return VLC_EGENERIC;
1472
1473     /* Set the demux function */
1474     p_demux->pf_demux   = Demux;
1475     p_demux->pf_control = Control;
1476     p_demux->p_sys      = p_sys = new demux_sys_t( *p_demux );
1477
1478     p_io_callback = new vlc_stream_io_callback( p_demux->s, false );
1479     p_io_stream = new EbmlStream( *p_io_callback );
1480
1481     if( p_io_stream == NULL )
1482     {
1483         msg_Err( p_demux, "failed to create EbmlStream" );
1484         delete p_io_callback;
1485         delete p_sys;
1486         return VLC_EGENERIC;
1487     }
1488
1489     p_stream = p_sys->AnalyseAllSegmentsFound( p_demux, p_io_stream, true );
1490     if( p_stream == NULL )
1491     {
1492         msg_Err( p_demux, "cannot find KaxSegment" );
1493         goto error;
1494     }
1495     p_sys->streams.push_back( p_stream );
1496
1497     p_stream->p_in = p_io_callback;
1498     p_stream->p_es = p_io_stream;
1499
1500     for (size_t i=0; i<p_stream->segments.size(); i++)
1501     {
1502         p_stream->segments[i]->Preload();
1503     }
1504
1505     p_segment = p_stream->segments[0];
1506     if( p_segment->cluster == NULL )
1507     {
1508         msg_Err( p_demux, "cannot find any cluster, damaged file ?" );
1509         goto error;
1510     }
1511
1512     if (config_GetInt( p_demux, "mkv-preload-local-dir" ))
1513     {
1514         /* get the files from the same dir from the same family (based on p_demux->psz_path) */
1515         if (p_demux->psz_path[0] != '\0' && !strcmp(p_demux->psz_access, ""))
1516         {
1517             // assume it's a regular file
1518             // get the directory path
1519             s_path = p_demux->psz_path;
1520             if (s_path.at(s_path.length() - 1) == DIRECTORY_SEPARATOR)
1521             {
1522                 s_path = s_path.substr(0,s_path.length()-1);
1523             }
1524             else
1525             {
1526                 if (s_path.find_last_of(DIRECTORY_SEPARATOR) > 0)
1527                 {
1528                     s_path = s_path.substr(0,s_path.find_last_of(DIRECTORY_SEPARATOR));
1529                 }
1530             }
1531
1532             DIR *p_src_dir = utf8_opendir(s_path.c_str());
1533
1534             if (p_src_dir != NULL)
1535             {
1536                 char *psz_file;
1537                 while ((psz_file = utf8_readdir(p_src_dir)) != NULL)
1538                 {
1539                     if (strlen(psz_file) > 4)
1540                     {
1541                         s_filename = s_path + DIRECTORY_SEPARATOR + psz_file;
1542
1543 #ifdef WIN32
1544                         if (!strcasecmp(s_filename.c_str(), p_demux->psz_path))
1545 #else
1546                         if (!s_filename.compare(p_demux->psz_path))
1547 #endif
1548                         {
1549                             free (psz_file);
1550                             continue; // don't reuse the original opened file
1551                         }
1552
1553 #if defined(__GNUC__) && (__GNUC__ < 3)
1554                         if (!s_filename.compare("mkv", s_filename.length() - 3, 3) ||
1555                             !s_filename.compare("mka", s_filename.length() - 3, 3))
1556 #else
1557                         if (!s_filename.compare(s_filename.length() - 3, 3, "mkv") ||
1558                             !s_filename.compare(s_filename.length() - 3, 3, "mka"))
1559 #endif
1560                         {
1561                             // test wether this file belongs to our family
1562                             const uint8_t *p_peek;
1563                             bool          file_ok = false;
1564                             stream_t      *p_file_stream = stream_UrlNew(
1565                                                             p_demux,
1566                                                             s_filename.c_str());
1567                             /* peek the begining */
1568                             if( p_file_stream &&
1569                                 stream_Peek( p_file_stream, &p_peek, 4 ) >= 4
1570                                 && p_peek[0] == 0x1a && p_peek[1] == 0x45 &&
1571                                 p_peek[2] == 0xdf && p_peek[3] == 0xa3 ) file_ok = true;
1572
1573                             if ( file_ok )
1574                             {
1575                                 vlc_stream_io_callback *p_file_io = new vlc_stream_io_callback( p_file_stream, true );
1576                                 EbmlStream *p_estream = new EbmlStream(*p_file_io);
1577
1578                                 p_stream = p_sys->AnalyseAllSegmentsFound( p_demux, p_estream );
1579
1580                                 if ( p_stream == NULL )
1581                                 {
1582                                     msg_Dbg( p_demux, "the file '%s' will not be used", s_filename.c_str() );
1583                                     delete p_estream;
1584                                     delete p_file_io;
1585                                 }
1586                                 else
1587                                 {
1588                                     p_stream->p_in = p_file_io;
1589                                     p_stream->p_es = p_estream;
1590                                     p_sys->streams.push_back( p_stream );
1591                                 }
1592                             }
1593                             else
1594                             {
1595                                 if( p_file_stream ) {
1596                                     stream_Delete( p_file_stream );
1597                                 }
1598                                 msg_Dbg( p_demux, "the file '%s' cannot be opened", s_filename.c_str() );
1599                             }
1600                         }
1601                     }
1602                     free (psz_file);
1603                 }
1604                 closedir( p_src_dir );
1605             }
1606         }
1607
1608         p_sys->PreloadFamily( *p_segment );
1609     }
1610
1611     p_sys->PreloadLinked( p_segment );
1612
1613     if ( !p_sys->PreparePlayback( NULL ) )
1614     {
1615         msg_Err( p_demux, "cannot use the segment" );
1616         goto error;
1617     }
1618
1619     p_sys->StartUiThread();
1620
1621     return VLC_SUCCESS;
1622
1623 error:
1624     delete p_sys;
1625     return VLC_EGENERIC;
1626 }
1627
1628 /*****************************************************************************
1629  * Close: frees unused data
1630  *****************************************************************************/
1631 static void Close( vlc_object_t *p_this )
1632 {
1633     demux_t     *p_demux = (demux_t*)p_this;
1634     demux_sys_t *p_sys   = p_demux->p_sys;
1635
1636     delete p_sys;
1637 }
1638
1639 /*****************************************************************************
1640  * Control:
1641  *****************************************************************************/
1642 static int Control( demux_t *p_demux, int i_query, va_list args )
1643 {
1644     demux_sys_t        *p_sys = p_demux->p_sys;
1645     int64_t     *pi64;
1646     double      *pf, f;
1647     int         i_skp;
1648     size_t      i_idx;
1649
1650     vlc_meta_t *p_meta;
1651     input_attachment_t ***ppp_attach;
1652     int *pi_int;
1653     int i;
1654
1655     switch( i_query )
1656     {
1657         case DEMUX_GET_ATTACHMENTS:
1658             ppp_attach = (input_attachment_t***)va_arg( args, input_attachment_t*** );
1659             pi_int = (int*)va_arg( args, int * );
1660
1661             if( p_sys->stored_attachments.size() <= 0 )
1662                 return VLC_EGENERIC;
1663
1664             *pi_int = p_sys->stored_attachments.size();
1665             *ppp_attach = (input_attachment_t**)malloc( sizeof(input_attachment_t**) *
1666                                                         p_sys->stored_attachments.size() );
1667             if( !(*ppp_attach) )
1668                 return VLC_ENOMEM;
1669             for( i = 0; i < p_sys->stored_attachments.size(); i++ )
1670             {
1671                 attachment_c *a = p_sys->stored_attachments[i];
1672                 (*ppp_attach)[i] = vlc_input_attachment_New( a->psz_file_name.c_str(), a->psz_mime_type.c_str(), NULL,
1673                                                              a->p_data, a->i_size );
1674             }
1675             return VLC_SUCCESS;
1676
1677         case DEMUX_GET_META:
1678             p_meta = (vlc_meta_t*)va_arg( args, vlc_meta_t* );
1679             vlc_meta_Merge( p_meta, p_sys->meta );
1680             return VLC_SUCCESS;
1681
1682         case DEMUX_GET_LENGTH:
1683             pi64 = (int64_t*)va_arg( args, int64_t * );
1684             if( p_sys->f_duration > 0.0 )
1685             {
1686                 *pi64 = (int64_t)(p_sys->f_duration * 1000);
1687                 return VLC_SUCCESS;
1688             }
1689             return VLC_EGENERIC;
1690
1691         case DEMUX_GET_POSITION:
1692             pf = (double*)va_arg( args, double * );
1693             if ( p_sys->f_duration > 0.0 )
1694                 *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);
1695             return VLC_SUCCESS;
1696
1697         case DEMUX_SET_POSITION:
1698             f = (double)va_arg( args, double );
1699             Seek( p_demux, -1, f, NULL );
1700             return VLC_SUCCESS;
1701
1702         case DEMUX_GET_TIME:
1703             pi64 = (int64_t*)va_arg( args, int64_t * );
1704             *pi64 = p_sys->i_pts;
1705             return VLC_SUCCESS;
1706
1707         case DEMUX_GET_TITLE_INFO:
1708             if( p_sys->titles.size() > 1 || ( p_sys->titles.size() == 1 && p_sys->titles[0]->i_seekpoint > 0 ) )
1709             {
1710                 input_title_t ***ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
1711                 int *pi_int    = (int*)va_arg( args, int* );
1712
1713                 *pi_int = p_sys->titles.size();
1714                 *ppp_title = (input_title_t**)malloc( sizeof( input_title_t**) * p_sys->titles.size() );
1715
1716                 for( size_t i = 0; i < p_sys->titles.size(); i++ )
1717                 {
1718                     (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->titles[i] );
1719                 }
1720                 return VLC_SUCCESS;
1721             }
1722             return VLC_EGENERIC;
1723
1724         case DEMUX_SET_TITLE:
1725             /* TODO handle editions as titles */
1726             i_idx = (int)va_arg( args, int );
1727             if( i_idx < p_sys->used_segments.size() )
1728             {
1729                 p_sys->JumpTo( *p_sys->used_segments[i_idx], NULL );
1730                 return VLC_SUCCESS;
1731             }
1732             return VLC_EGENERIC;
1733
1734         case DEMUX_SET_SEEKPOINT:
1735             i_skp = (int)va_arg( args, int );
1736
1737             // TODO change the way it works with the << & >> buttons on the UI (+1/-1 instead of a number)
1738             if( p_sys->titles.size() && i_skp < p_sys->titles[p_sys->i_current_title]->i_seekpoint)
1739             {
1740                 Seek( p_demux, (int64_t)p_sys->titles[p_sys->i_current_title]->seekpoint[i_skp]->i_time_offset, -1, NULL);
1741                 p_demux->info.i_seekpoint |= INPUT_UPDATE_SEEKPOINT;
1742                 p_demux->info.i_seekpoint = i_skp;
1743                 return VLC_SUCCESS;
1744             }
1745             return VLC_EGENERIC;
1746
1747         case DEMUX_SET_TIME:
1748         case DEMUX_GET_FPS:
1749         default:
1750             return VLC_EGENERIC;
1751     }
1752 }
1753
1754 #if LIBMATROSKA_VERSION >= 0x000800
1755 int matroska_segment_c::BlockGet( KaxBlock * & pp_block, KaxSimpleBlock * & pp_simpleblock, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration )
1756 #else
1757 int matroska_segment_c::BlockGet( KaxBlock * & pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration )
1758 #endif
1759 {
1760 #if LIBMATROSKA_VERSION >= 0x000800
1761     pp_simpleblock = NULL;
1762 #endif
1763     pp_block = NULL;
1764     *pi_ref1  = 0;
1765     *pi_ref2  = 0;
1766
1767     for( ;; )
1768     {
1769         EbmlElement *el = NULL;
1770         int         i_level;
1771
1772         if ( ep == NULL )
1773             return VLC_EGENERIC;
1774
1775 #if LIBMATROSKA_VERSION >= 0x000800
1776         if( pp_simpleblock != NULL || ((el = ep->Get()) == NULL && pp_block != NULL) )
1777 #else
1778         if( (el = ep->Get()) == NULL && pp_block != NULL )
1779 #endif
1780         {
1781             /* Check blocks validity to protect againts broken files */
1782             if( BlockFindTrackIndex( NULL, pp_block
1783 #if LIBMATROSKA_VERSION >= 0x000800
1784                                     , pp_simpleblock
1785 #endif
1786               ) )
1787             {
1788                 delete pp_block;
1789 #if LIBMATROSKA_VERSION >= 0x000800
1790                 pp_simpleblock = NULL;
1791 #endif
1792                 pp_block = NULL;
1793                 continue;
1794             }
1795
1796             /* update the index */
1797 #define idx p_indexes[i_index - 1]
1798             if( i_index > 0 && idx.i_time == -1 )
1799             {
1800 #if LIBMATROSKA_VERSION >= 0x000800
1801                 if ( pp_simpleblock != NULL )
1802                     idx.i_time        = pp_simpleblock->GlobalTimecode() / (mtime_t)1000;
1803                 else
1804 #endif
1805                     idx.i_time        = (*pp_block).GlobalTimecode() / (mtime_t)1000;
1806                 idx.b_key         = *pi_ref1 == 0 ? true : false;
1807             }
1808 #undef idx
1809             return VLC_SUCCESS;
1810         }
1811
1812         i_level = ep->GetLevel();
1813
1814         if( el == NULL )
1815         {
1816             if( i_level > 1 )
1817             {
1818                 ep->Up();
1819                 continue;
1820             }
1821             msg_Warn( &sys.demuxer, "EOF" );
1822             return VLC_EGENERIC;
1823         }
1824
1825         /* Verify that we are still inside our cluster
1826          * It can happens whith broken files and when seeking
1827          * without index */
1828         if( i_level > 1 )
1829         {
1830             if( cluster && !ep->IsTopPresent( cluster ) )
1831             {
1832                 msg_Warn( &sys.demuxer, "Unexpected escape from current cluster" );
1833                 cluster = NULL;
1834             }
1835             if( !cluster )
1836                 continue;
1837         }
1838
1839         /* do parsing */
1840         switch ( i_level )
1841         {
1842         case 1:
1843             if( MKV_IS_ID( el, KaxCluster ) )
1844             {
1845                 cluster = (KaxCluster*)el;
1846                 i_cluster_pos = cluster->GetElementPosition();
1847
1848                 /* add it to the index */
1849                 if( i_index == 0 ||
1850                     ( i_index > 0 && p_indexes[i_index - 1].i_position < (int64_t)cluster->GetElementPosition() ) )
1851                 {
1852                     IndexAppendCluster( cluster );
1853                 }
1854
1855                 // reset silent tracks
1856                 for (size_t i=0; i<tracks.size(); i++)
1857                 {
1858                     tracks[i]->b_silent = false;
1859                 }
1860
1861                 ep->Down();
1862             }
1863             else if( MKV_IS_ID( el, KaxCues ) )
1864             {
1865                 msg_Warn( &sys.demuxer, "find KaxCues FIXME" );
1866                 return VLC_EGENERIC;
1867             }
1868             else
1869             {
1870                 msg_Dbg( &sys.demuxer, "unknown (%s)", typeid( el ).name() );
1871             }
1872             break;
1873         case 2:
1874             if( MKV_IS_ID( el, KaxClusterTimecode ) )
1875             {
1876                 KaxClusterTimecode &ctc = *(KaxClusterTimecode*)el;
1877
1878                 ctc.ReadData( es.I_O(), SCOPE_ALL_DATA );
1879                 cluster->InitTimecode( uint64( ctc ), i_timescale );
1880             }
1881             else if( MKV_IS_ID( el, KaxClusterSilentTracks ) )
1882             {
1883                 ep->Down();
1884             }
1885             else if( MKV_IS_ID( el, KaxBlockGroup ) )
1886             {
1887                 i_block_pos = el->GetElementPosition();
1888                 ep->Down();
1889             }
1890 #if LIBMATROSKA_VERSION >= 0x000800
1891             else if( MKV_IS_ID( el, KaxSimpleBlock ) )
1892             {
1893                 pp_simpleblock = (KaxSimpleBlock*)el;
1894
1895                 pp_simpleblock->ReadData( es.I_O() );
1896                 pp_simpleblock->SetParent( *cluster );
1897             }
1898 #endif
1899             break;
1900         case 3:
1901             if( MKV_IS_ID( el, KaxBlock ) )
1902             {
1903                 pp_block = (KaxBlock*)el;
1904
1905                 pp_block->ReadData( es.I_O() );
1906                 pp_block->SetParent( *cluster );
1907
1908                 ep->Keep();
1909             }
1910             else if( MKV_IS_ID( el, KaxBlockDuration ) )
1911             {
1912                 KaxBlockDuration &dur = *(KaxBlockDuration*)el;
1913
1914                 dur.ReadData( es.I_O() );
1915                 *pi_duration = uint64( dur );
1916             }
1917             else if( MKV_IS_ID( el, KaxReferenceBlock ) )
1918             {
1919                 KaxReferenceBlock &ref = *(KaxReferenceBlock*)el;
1920
1921                 ref.ReadData( es.I_O() );
1922                 if( *pi_ref1 == 0 )
1923                 {
1924                     *pi_ref1 = int64( ref ) * cluster->GlobalTimecodeScale();
1925                 }
1926                 else if( *pi_ref2 == 0 )
1927                 {
1928                     *pi_ref2 = int64( ref ) * cluster->GlobalTimecodeScale();
1929                 }
1930             }
1931             else if( MKV_IS_ID( el, KaxClusterSilentTrackNumber ) )
1932             {
1933                 KaxClusterSilentTrackNumber &track_num = *(KaxClusterSilentTrackNumber*)el;
1934                 track_num.ReadData( es.I_O() );
1935                 // find the track
1936                 for (size_t i=0; i<tracks.size(); i++)
1937                 {
1938                     if ( tracks[i]->i_number == uint32(track_num))
1939                     {
1940                         tracks[i]->b_silent = true;
1941                         break;
1942                     }
1943                 }
1944             }
1945             break;
1946         default:
1947             msg_Err( &sys.demuxer, "invalid level = %d", i_level );
1948             return VLC_EGENERIC;
1949         }
1950     }
1951 }
1952
1953 static block_t *MemToBlock( demux_t *p_demux, uint8_t *p_mem, int i_mem, size_t offset)
1954 {
1955     block_t *p_block;
1956     if( !(p_block = block_New( p_demux, i_mem + offset ) ) ) return NULL;
1957     memcpy( p_block->p_buffer + offset, p_mem, i_mem );
1958     //p_block->i_rate = p_input->stream.control.i_rate;
1959     return p_block;
1960 }
1961
1962 #if LIBMATROSKA_VERSION >= 0x000800
1963 static void BlockDecode( demux_t *p_demux, KaxBlock *block, KaxSimpleBlock *simpleblock,
1964                          mtime_t i_pts, mtime_t i_duration, bool f_mandatory )
1965 #else
1966 static void BlockDecode( demux_t *p_demux, KaxBlock *block, mtime_t i_pts,
1967                          mtime_t i_duration, bool f_mandatory )
1968 #endif
1969 {
1970     demux_sys_t        *p_sys = p_demux->p_sys;
1971     matroska_segment_c *p_segment = p_sys->p_current_segment->Segment();
1972
1973     size_t          i_track;
1974     unsigned int    i;
1975     bool            b;
1976
1977     if( p_segment->BlockFindTrackIndex( &i_track, block
1978 #if LIBMATROSKA_VERSION >= 0x000800
1979                                        , simpleblock
1980 #endif
1981       ) )
1982     {
1983         msg_Err( p_demux, "invalid track number" );
1984         return;
1985     }
1986
1987     mkv_track_t *tk = p_segment->tracks[i_track];
1988
1989     if( tk->fmt.i_cat != NAV_ES && tk->p_es == NULL )
1990     {
1991         msg_Err( p_demux, "unknown track number" );
1992         return;
1993     }
1994     if( i_pts + i_duration < p_sys->i_start_pts && tk->fmt.i_cat == AUDIO_ES )
1995     {
1996         return; /* discard audio packets that shouldn't be rendered */
1997     }
1998
1999     if ( tk->fmt.i_cat != NAV_ES )
2000     {
2001         es_out_Control( p_demux->out, ES_OUT_GET_ES_STATE, tk->p_es, &b );
2002
2003         if( !b )
2004         {
2005             tk->b_inited = false;
2006             return;
2007         }
2008     }
2009
2010
2011     /* First send init data */
2012     if( !tk->b_inited && tk->i_data_init > 0 )
2013     {
2014         block_t *p_init;
2015
2016         msg_Dbg( p_demux, "sending header (%d bytes)", tk->i_data_init );
2017         p_init = MemToBlock( p_demux, tk->p_data_init, tk->i_data_init, 0 );
2018         if( p_init ) es_out_Send( p_demux->out, tk->p_es, p_init );
2019     }
2020     tk->b_inited = true;
2021
2022
2023 #if LIBMATROSKA_VERSION >= 0x000800
2024     for( i = 0;
2025         (block != NULL && i < block->NumberFrames()) || (simpleblock != NULL && i < simpleblock->NumberFrames());
2026         i++ )
2027 #else
2028     for( i = 0; i < block->NumberFrames(); i++ )
2029 #endif
2030     {
2031         block_t *p_block;
2032         DataBuffer *data;
2033 #if LIBMATROSKA_VERSION >= 0x000800
2034         if ( simpleblock != NULL )
2035         {
2036             data = &simpleblock->GetBuffer(i);
2037             // condition when the DTS is correct (keyframe or B frame == NOT P frame)
2038             f_mandatory = simpleblock->IsDiscardable() || simpleblock->IsKeyframe();
2039         }
2040         else
2041 #endif
2042         data = &block->GetBuffer(i);
2043
2044         if( tk->i_compression_type == MATROSKA_COMPRESSION_HEADER && tk->p_compression_data != NULL )
2045             p_block = MemToBlock( p_demux, data->Buffer(), data->Size(), tk->p_compression_data->GetSize() );
2046         else
2047             p_block = MemToBlock( p_demux, data->Buffer(), data->Size(), 0 );
2048
2049         if( p_block == NULL )
2050         {
2051             break;
2052         }
2053
2054 #if defined(HAVE_ZLIB_H)
2055         if( tk->i_compression_type == MATROSKA_COMPRESSION_ZLIB )
2056         {
2057             p_block = block_zlib_decompress( VLC_OBJECT(p_demux), p_block );
2058         }
2059         else
2060 #endif
2061         if( tk->i_compression_type == MATROSKA_COMPRESSION_HEADER )
2062         {
2063             memcpy( p_block->p_buffer, tk->p_compression_data->GetBuffer(), tk->p_compression_data->GetSize() );
2064         }
2065
2066         if ( tk->fmt.i_cat == NAV_ES )
2067         {
2068             // TODO handle the start/stop times of this packet
2069             if ( p_sys->b_ui_hooked )
2070             {
2071                 vlc_mutex_lock( &p_sys->p_ev->lock );
2072                 memcpy( &p_sys->pci_packet, &p_block->p_buffer[1], sizeof(pci_t) );
2073                 p_sys->SwapButtons();
2074                 p_sys->b_pci_packet_set = true;
2075                 vlc_mutex_unlock( &p_sys->p_ev->lock );
2076                 block_Release( p_block );
2077             }
2078             return;
2079         }
2080         // correct timestamping when B frames are used
2081         if( tk->fmt.i_cat != VIDEO_ES )
2082         {
2083             p_block->i_dts = p_block->i_pts = i_pts;
2084         }
2085         else
2086         {
2087             if( !strcmp( tk->psz_codec, "V_MS/VFW/FOURCC" ) )
2088             {
2089                 // in VFW we have no idea about B frames
2090                 p_block->i_pts = 0;
2091                 p_block->i_dts = i_pts;
2092             }
2093             else
2094             {
2095                 p_block->i_pts = i_pts;
2096                 if ( f_mandatory )
2097                     p_block->i_dts = p_block->i_pts;
2098                 else
2099                     p_block->i_dts = min( i_pts, tk->i_last_dts + (mtime_t)(tk->i_default_duration >> 10));
2100                 p_sys->i_pts = p_block->i_dts;
2101             }
2102         }
2103         tk->i_last_dts = p_block->i_dts;
2104
2105 #if 0
2106 msg_Dbg( p_demux, "block i_dts: %"PRId64" / i_pts: %"PRId64, p_block->i_dts, p_block->i_pts);
2107 #endif
2108         if( strcmp( tk->psz_codec, "S_VOBSUB" ) )
2109         {
2110             p_block->i_length = i_duration * 1000;
2111         }
2112
2113         es_out_Send( p_demux->out, tk->p_es, p_block );
2114
2115         /* use time stamp only for first block */
2116         i_pts = 0;
2117     }
2118 }
2119
2120 matroska_stream_c *demux_sys_t::AnalyseAllSegmentsFound( demux_t *p_demux, EbmlStream *p_estream, bool b_initial )
2121 {
2122     int i_upper_lvl = 0;
2123     size_t i;
2124     EbmlElement *p_l0, *p_l1, *p_l2;
2125     bool b_keep_stream = false, b_keep_segment;
2126
2127     // verify the EBML Header
2128     p_l0 = p_estream->FindNextID(EbmlHead::ClassInfos, 0xFFFFFFFFL);
2129     if (p_l0 == NULL)
2130     {
2131         msg_Err( p_demux, "No EBML header found" );
2132         return NULL;
2133     }
2134
2135     // verify we can read this Segment, we only support Matroska version 1 for now
2136     p_l0->Read(*p_estream, EbmlHead::ClassInfos.Context, i_upper_lvl, p_l0, true);
2137
2138     EDocType doc_type = GetChild<EDocType>(*static_cast<EbmlHead*>(p_l0));
2139     if (std::string(doc_type) != "matroska")
2140     {
2141         msg_Err( p_demux, "Not a Matroska file : DocType = %s ", std::string(doc_type).c_str());
2142         return NULL;
2143     }
2144
2145     EDocTypeReadVersion doc_read_version = GetChild<EDocTypeReadVersion>(*static_cast<EbmlHead*>(p_l0));
2146 #if LIBMATROSKA_VERSION >= 0x000800
2147     if (uint64(doc_read_version) > 2)
2148     {
2149         msg_Err( p_demux, "This matroska file is needs version %"PRId64" and this VLC only supports version 1 & 2", uint64(doc_read_version));
2150         return NULL;
2151     }
2152 #else
2153     if (uint64(doc_read_version) != 1)
2154     {
2155         msg_Err( p_demux, "This matroska file is needs version %"PRId64" and this VLC only supports version 1", uint64(doc_read_version));
2156         return NULL;
2157     }
2158 #endif
2159
2160     delete p_l0;
2161
2162
2163     // find all segments in this file
2164     p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFFLL);
2165     if (p_l0 == NULL)
2166     {
2167         return NULL;
2168     }
2169
2170     matroska_stream_c *p_stream1 = new matroska_stream_c( *this );
2171
2172     while (p_l0 != 0)
2173     {
2174         if (EbmlId(*p_l0) == KaxSegment::ClassInfos.GlobalId)
2175         {
2176             EbmlParser  *ep;
2177             matroska_segment_c *p_segment1 = new matroska_segment_c( *this, *p_estream );
2178             b_keep_segment = b_initial;
2179
2180             ep = new EbmlParser(p_estream, p_l0, &demuxer );
2181             p_segment1->ep = ep;
2182             p_segment1->segment = (KaxSegment*)p_l0;
2183
2184             while ((p_l1 = ep->Get()))
2185             {
2186                 if (MKV_IS_ID(p_l1, KaxInfo))
2187                 {
2188                     // find the families of this segment
2189                     KaxInfo *p_info = static_cast<KaxInfo*>(p_l1);
2190
2191                     p_info->Read(*p_estream, KaxInfo::ClassInfos.Context, i_upper_lvl, p_l2, true);
2192                     for( i = 0; i < p_info->ListSize(); i++ )
2193                     {
2194                         EbmlElement *l = (*p_info)[i];
2195
2196                         if( MKV_IS_ID( l, KaxSegmentUID ) )
2197                         {
2198                             KaxSegmentUID *p_uid = static_cast<KaxSegmentUID*>(l);
2199                             b_keep_segment = (FindSegment( *p_uid ) == NULL);
2200                             if ( !b_keep_segment )
2201                                 break; // this segment is already known
2202                             opened_segments.push_back( p_segment1 );
2203                             delete p_segment1->p_segment_uid;
2204                             p_segment1->p_segment_uid = new KaxSegmentUID(*p_uid);
2205                         }
2206                         else if( MKV_IS_ID( l, KaxPrevUID ) )
2207                         {
2208                             p_segment1->p_prev_segment_uid = new KaxPrevUID( *static_cast<KaxPrevUID*>(l) );
2209                         }
2210                         else if( MKV_IS_ID( l, KaxNextUID ) )
2211                         {
2212                             p_segment1->p_next_segment_uid = new KaxNextUID( *static_cast<KaxNextUID*>(l) );
2213                         }
2214                         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
2215                         {
2216                             KaxSegmentFamily *p_fam = new KaxSegmentFamily( *static_cast<KaxSegmentFamily*>(l) );
2217                             p_segment1->families.push_back( p_fam );
2218                         }
2219                     }
2220                     break;
2221                 }
2222             }
2223             if ( b_keep_segment )
2224             {
2225                 b_keep_stream = true;
2226                 p_stream1->segments.push_back( p_segment1 );
2227             }
2228             else
2229             {
2230                 p_segment1->segment = NULL;
2231                 delete p_segment1;
2232             }
2233         }
2234         if (p_l0->IsFiniteSize() )
2235         {
2236             p_l0->SkipData(*p_estream, KaxMatroska_Context);
2237             p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFL);
2238         }
2239         else
2240             p_l0 = p_l0->SkipData(*p_estream, KaxSegment_Context);
2241     }
2242
2243     if ( !b_keep_stream )
2244     {
2245         delete p_stream1;
2246         p_stream1 = NULL;
2247     }
2248
2249     return p_stream1;
2250 }
2251
2252 bool matroska_segment_c::Select( mtime_t i_start_time )
2253 {
2254     size_t i_track;
2255
2256     /* add all es */
2257     msg_Dbg( &sys.demuxer, "found %d es", (int)tracks.size() );
2258     sys.b_pci_packet_set = false;
2259
2260     for( i_track = 0; i_track < tracks.size(); i_track++ )
2261     {
2262         if( tracks[i_track]->fmt.i_cat == UNKNOWN_ES )
2263         {
2264             msg_Warn( &sys.demuxer, "invalid track[%d, n=%d]", (int)i_track, tracks[i_track]->i_number );
2265             tracks[i_track]->p_es = NULL;
2266             continue;
2267         }
2268
2269         if( !strcmp( tracks[i_track]->psz_codec, "V_MS/VFW/FOURCC" ) )
2270         {
2271             if( tracks[i_track]->i_extra_data < (int)sizeof( BITMAPINFOHEADER ) )
2272             {
2273                 msg_Err( &sys.demuxer, "missing/invalid BITMAPINFOHEADER" );
2274                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2275             }
2276             else
2277             {
2278                 BITMAPINFOHEADER *p_bih = (BITMAPINFOHEADER*)tracks[i_track]->p_extra_data;
2279
2280                 tracks[i_track]->fmt.video.i_width = GetDWLE( &p_bih->biWidth );
2281                 tracks[i_track]->fmt.video.i_height= GetDWLE( &p_bih->biHeight );
2282                 tracks[i_track]->fmt.i_codec       = GetFOURCC( &p_bih->biCompression );
2283
2284                 tracks[i_track]->fmt.i_extra       = GetDWLE( &p_bih->biSize ) - sizeof( BITMAPINFOHEADER );
2285                 if( tracks[i_track]->fmt.i_extra > 0 )
2286                 {
2287                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2288                     memcpy( tracks[i_track]->fmt.p_extra, &p_bih[1], tracks[i_track]->fmt.i_extra );
2289                 }
2290             }
2291         }
2292         else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG1" ) ||
2293                  !strcmp( tracks[i_track]->psz_codec, "V_MPEG2" ) )
2294         {
2295             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'v' );
2296         }
2297         else if( !strncmp( tracks[i_track]->psz_codec, "V_THEORA", 8 ) )
2298         {
2299             uint8_t *p_data = tracks[i_track]->p_extra_data;
2300             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 't', 'h', 'e', 'o' );
2301             if( tracks[i_track]->i_extra_data >= 4 ) {
2302                 if( p_data[0] == 2 ) {
2303                     int i = 1;
2304                     int i_size1 = 0, i_size2 = 0;
2305                     p_data++;
2306                     /* read size of first header packet */
2307                     while( *p_data == 0xFF &&
2308                            i < tracks[i_track]->i_extra_data )
2309                     {
2310                         i_size1 += *p_data;
2311                         p_data++;
2312                         i++;
2313                     }
2314                     i_size1 += *p_data;
2315                     p_data++;
2316                     i++;
2317                     msg_Dbg( &sys.demuxer, "first theora header size %d", i_size1 );
2318                     /* read size of second header packet */
2319                     while( *p_data == 0xFF &&
2320                            i < tracks[i_track]->i_extra_data )
2321                     {
2322                         i_size2 += *p_data;
2323                         p_data++;
2324                         i++;
2325                     }
2326                     i_size2 += *p_data;
2327                     p_data++;
2328                     i++;
2329                     int i_size3 = tracks[i_track]->i_extra_data - i - i_size1
2330                         - i_size2;
2331                     msg_Dbg( &sys.demuxer, "second theora header size %d", i_size2 );
2332                     msg_Dbg( &sys.demuxer, "third theora header size %d", i_size3 );
2333                     tracks[i_track]->fmt.i_extra = i_size1 + i_size2 + i_size3
2334                         + 6;
2335                     if( i_size1 > 0 && i_size2 > 0 && i_size3 > 0  ) {
2336                         tracks[i_track]->fmt.p_extra =
2337                             malloc( tracks[i_track]->fmt.i_extra );
2338                         uint8_t *p_out = (uint8_t*)tracks[i_track]->fmt.p_extra;
2339                         *p_out++ = (i_size1>>8) & 0xFF;
2340                         *p_out++ = i_size1 & 0xFF;
2341                         memcpy( p_out, p_data, i_size1 );
2342                         p_data += i_size1;
2343                         p_out += i_size1;
2344
2345                         *p_out++ = (i_size2>>8) & 0xFF;
2346                         *p_out++ = i_size2 & 0xFF;
2347                         memcpy( p_out, p_data, i_size2 );
2348                         p_data += i_size2;
2349                         p_out += i_size2;
2350
2351                         *p_out++ = (i_size3>>8) & 0xFF;
2352                         *p_out++ = i_size3 & 0xFF;
2353                         memcpy( p_out, p_data, i_size3 );
2354                         p_data += i_size3;
2355                         p_out += i_size3;
2356                     }
2357                     else
2358                     {
2359                         msg_Err( &sys.demuxer, "inconsistant theora extradata" );
2360                     }
2361                 }
2362                 else {
2363                     msg_Err( &sys.demuxer, "Wrong number of ogg packets with theora headers (%d)", p_data[0] + 1 );
2364                 }
2365             }
2366         }
2367         else if( !strncmp( tracks[i_track]->psz_codec, "V_REAL/RV", 9 ) )
2368         {
2369             if( !strcmp( tracks[i_track]->psz_codec, "V_REAL/RV10" ) )
2370                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'R', 'V', '1', '0' );
2371             else if( !strcmp( tracks[i_track]->psz_codec, "V_REAL/RV20" ) )
2372                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'R', 'V', '2', '0' );
2373             else if( !strcmp( tracks[i_track]->psz_codec, "V_REAL/RV30" ) )
2374                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'R', 'V', '3', '0' );
2375             else if( !strcmp( tracks[i_track]->psz_codec, "V_REAL/RV40" ) )
2376                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'R', 'V', '4', '0' );
2377         }
2378         else if( !strncmp( tracks[i_track]->psz_codec, "V_MPEG4", 7 ) )
2379         {
2380             if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/MS/V3" ) )
2381             {
2382                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'D', 'I', 'V', '3' );
2383             }
2384             else if( !strncmp( tracks[i_track]->psz_codec, "V_MPEG4/ISO", 11 ) )
2385             {
2386                 /* A MPEG 4 codec, SP, ASP, AP or AVC */
2387                 if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/ISO/AVC" ) )
2388                     tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'v', 'c', '1' );
2389                 else
2390                     tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' );
2391                 tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2392                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2393                 memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2394             }
2395         }
2396         else if( !strcmp( tracks[i_track]->psz_codec, "V_QUICKTIME" ) )
2397         {
2398             MP4_Box_t *p_box = (MP4_Box_t*)malloc( sizeof( MP4_Box_t ) );
2399             stream_t *p_mp4_stream = stream_MemoryNew( VLC_OBJECT(&sys.demuxer),
2400                                                        tracks[i_track]->p_extra_data,
2401                                                        tracks[i_track]->i_extra_data,
2402                                                        false );
2403             MP4_ReadBoxCommon( p_mp4_stream, p_box );
2404             MP4_ReadBox_sample_vide( p_mp4_stream, p_box );
2405             tracks[i_track]->fmt.i_codec = p_box->i_type;
2406             tracks[i_track]->fmt.video.i_width = p_box->data.p_sample_vide->i_width;
2407             tracks[i_track]->fmt.video.i_height = p_box->data.p_sample_vide->i_height;
2408             tracks[i_track]->fmt.i_extra = p_box->data.p_sample_vide->i_qt_image_description;
2409             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2410             memcpy( tracks[i_track]->fmt.p_extra, p_box->data.p_sample_vide->p_qt_image_description, tracks[i_track]->fmt.i_extra );
2411             MP4_FreeBox_sample_vide( p_box );
2412             stream_Delete( p_mp4_stream );
2413         }
2414         else if( !strcmp( tracks[i_track]->psz_codec, "A_MS/ACM" ) )
2415         {
2416             if( tracks[i_track]->i_extra_data < (int)sizeof( WAVEFORMATEX ) )
2417             {
2418                 msg_Err( &sys.demuxer, "missing/invalid WAVEFORMATEX" );
2419                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2420             }
2421             else
2422             {
2423                 WAVEFORMATEX *p_wf = (WAVEFORMATEX*)tracks[i_track]->p_extra_data;
2424
2425                 wf_tag_to_fourcc( GetWLE( &p_wf->wFormatTag ), &tracks[i_track]->fmt.i_codec, NULL );
2426
2427                 tracks[i_track]->fmt.audio.i_channels   = GetWLE( &p_wf->nChannels );
2428                 tracks[i_track]->fmt.audio.i_rate = GetDWLE( &p_wf->nSamplesPerSec );
2429                 tracks[i_track]->fmt.i_bitrate    = GetDWLE( &p_wf->nAvgBytesPerSec ) * 8;
2430                 tracks[i_track]->fmt.audio.i_blockalign = GetWLE( &p_wf->nBlockAlign );;
2431                 tracks[i_track]->fmt.audio.i_bitspersample = GetWLE( &p_wf->wBitsPerSample );
2432
2433                 tracks[i_track]->fmt.i_extra            = GetWLE( &p_wf->cbSize );
2434                 if( tracks[i_track]->fmt.i_extra > 0 )
2435                 {
2436                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2437                     memcpy( tracks[i_track]->fmt.p_extra, &p_wf[1], tracks[i_track]->fmt.i_extra );
2438                 }
2439             }
2440         }
2441         else if( !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L3" ) ||
2442                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L2" ) ||
2443                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L1" ) )
2444         {
2445             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' );
2446         }
2447         else if( !strcmp( tracks[i_track]->psz_codec, "A_AC3" ) )
2448         {
2449             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' );
2450         }
2451         else if( !strcmp( tracks[i_track]->psz_codec, "A_DTS" ) )
2452         {
2453             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'd', 't', 's', ' ' );
2454         }
2455         else if( !strcmp( tracks[i_track]->psz_codec, "A_FLAC" ) )
2456         {
2457             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'f', 'l', 'a', 'c' );
2458             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2459             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2460             memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2461         }
2462         else if( !strcmp( tracks[i_track]->psz_codec, "A_VORBIS" ) )
2463         {
2464             int i, i_offset = 1, i_size[3], i_extra;
2465             uint8_t *p_extra;
2466
2467             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'v', 'o', 'r', 'b' );
2468
2469             /* Split the 3 headers */
2470             if( tracks[i_track]->p_extra_data[0] != 0x02 )
2471                 msg_Err( &sys.demuxer, "invalid vorbis header" );
2472
2473             for( i = 0; i < 2; i++ )
2474             {
2475                 i_size[i] = 0;
2476                 while( i_offset < tracks[i_track]->i_extra_data )
2477                 {
2478                     i_size[i] += tracks[i_track]->p_extra_data[i_offset];
2479                     if( tracks[i_track]->p_extra_data[i_offset++] != 0xff ) break;
2480                 }
2481             }
2482
2483             i_size[0] = __MIN(i_size[0], tracks[i_track]->i_extra_data - i_offset);
2484             i_size[1] = __MIN(i_size[1], tracks[i_track]->i_extra_data -i_offset -i_size[0]);
2485             i_size[2] = tracks[i_track]->i_extra_data - i_offset - i_size[0] - i_size[1];
2486
2487             tracks[i_track]->fmt.i_extra = 3 * 2 + i_size[0] + i_size[1] + i_size[2];
2488             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2489             p_extra = (uint8_t *)tracks[i_track]->fmt.p_extra; i_extra = 0;
2490             for( i = 0; i < 3; i++ )
2491             {
2492                 *(p_extra++) = i_size[i] >> 8;
2493                 *(p_extra++) = i_size[i] & 0xFF;
2494                 memcpy( p_extra, tracks[i_track]->p_extra_data + i_offset + i_extra,
2495                         i_size[i] );
2496                 p_extra += i_size[i];
2497                 i_extra += i_size[i];
2498             }
2499         }
2500         else if( !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG2/", strlen( "A_AAC/MPEG2/" ) ) ||
2501                  !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG4/", strlen( "A_AAC/MPEG4/" ) ) )
2502         {
2503             int i_profile, i_srate, sbr = 0;
2504             static const unsigned int i_sample_rates[] =
2505             {
2506                     96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050,
2507                         16000, 12000, 11025, 8000,  7350,  0,     0,     0
2508             };
2509
2510             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
2511             /* create data for faad (MP4DecSpecificDescrTag)*/
2512
2513             if( !strcmp( &tracks[i_track]->psz_codec[12], "MAIN" ) )
2514             {
2515                 i_profile = 0;
2516             }
2517             else if( !strcmp( &tracks[i_track]->psz_codec[12], "LC" ) )
2518             {
2519                 i_profile = 1;
2520             }
2521             else if( !strcmp( &tracks[i_track]->psz_codec[12], "SSR" ) )
2522             {
2523                 i_profile = 2;
2524             }
2525             else if( !strcmp( &tracks[i_track]->psz_codec[12], "LC/SBR" ) )
2526             {
2527                 i_profile = 1;
2528                 sbr = 1;
2529             }
2530             else
2531             {
2532                 i_profile = 3;
2533             }
2534
2535             for( i_srate = 0; i_srate < 13; i_srate++ )
2536             {
2537                 if( i_sample_rates[i_srate] == tracks[i_track]->i_original_rate )
2538                 {
2539                     break;
2540                 }
2541             }
2542             msg_Dbg( &sys.demuxer, "profile=%d srate=%d", i_profile, i_srate );
2543
2544             tracks[i_track]->fmt.i_extra = sbr ? 5 : 2;
2545             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2546             ((uint8_t*)tracks[i_track]->fmt.p_extra)[0] = ((i_profile + 1) << 3) | ((i_srate&0xe) >> 1);
2547             ((uint8_t*)tracks[i_track]->fmt.p_extra)[1] = ((i_srate & 0x1) << 7) | (tracks[i_track]->fmt.audio.i_channels << 3);
2548             if (sbr != 0)
2549             {
2550                 int syncExtensionType = 0x2B7;
2551                 int iDSRI;
2552                 for (iDSRI=0; iDSRI<13; iDSRI++)
2553                     if( i_sample_rates[iDSRI] == tracks[i_track]->fmt.audio.i_rate )
2554                         break;
2555                 ((uint8_t*)tracks[i_track]->fmt.p_extra)[2] = (syncExtensionType >> 3) & 0xFF;
2556                 ((uint8_t*)tracks[i_track]->fmt.p_extra)[3] = ((syncExtensionType & 0x7) << 5) | 5;
2557                 ((uint8_t*)tracks[i_track]->fmt.p_extra)[4] = ((1 & 0x1) << 7) | (iDSRI << 3);
2558             }
2559         }
2560         else if( !strcmp( tracks[i_track]->psz_codec, "A_AAC" ) )
2561         {
2562             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
2563             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2564             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2565             memcpy( tracks[i_track]->fmt.p_extra, tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2566         }
2567         else if( !strcmp( tracks[i_track]->psz_codec, "A_WAVPACK4" ) )
2568         {
2569             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'W', 'V', 'P', 'K' );
2570             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2571             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2572             memcpy( tracks[i_track]->fmt.p_extra, tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2573         }
2574         else if( !strcmp( tracks[i_track]->psz_codec, "A_TTA1" ) )
2575         {
2576             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'T', 'T', 'A', '1' );
2577             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2578             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2579             memcpy( tracks[i_track]->fmt.p_extra, tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2580         }
2581         else if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) ||
2582                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/LIT" ) ||
2583                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/FLOAT/IEEE" ) )
2584         {
2585             if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) )
2586             {
2587                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
2588             }
2589             else
2590             {
2591                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
2592             }
2593             tracks[i_track]->fmt.audio.i_blockalign = ( tracks[i_track]->fmt.audio.i_bitspersample + 7 ) / 8 * tracks[i_track]->fmt.audio.i_channels;
2594         }
2595         /* disabled due to the potential "S_KATE" namespace issue */
2596         else if( !strcmp( tracks[i_track]->psz_codec, "S_KATE" ) )
2597         {
2598             int i, i_offset = 1, *i_size, i_extra, num_headers, size_so_far;
2599             uint8_t *p_extra;
2600
2601             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'k', 'a', 't', 'e' );
2602             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2603
2604             /* Recover the number of headers to expect */
2605             num_headers = tracks[i_track]->p_extra_data[0]+1;
2606             msg_Dbg( &sys.demuxer, "kate in mkv detected: %d headers in %u bytes",
2607                 num_headers, tracks[i_track]->i_extra_data);
2608
2609             /* this won't overflow the stack as is can allocate only 1020 bytes max */
2610             i_size = (int*)alloca(num_headers*sizeof(int));
2611
2612             /* Split the headers */
2613             size_so_far = 0;
2614             for( i = 0; i < num_headers-1; i++ )
2615             {
2616                 i_size[i] = 0;
2617                 while( i_offset < tracks[i_track]->i_extra_data )
2618                 {
2619                     i_size[i] += tracks[i_track]->p_extra_data[i_offset];
2620                     if( tracks[i_track]->p_extra_data[i_offset++] != 0xff ) break;
2621                 }
2622                 msg_Dbg( &sys.demuxer, "kate header %d is %d bytes", i, i_size[i]);
2623                 size_so_far += i_size[i];
2624             }
2625             i_size[num_headers-1] = tracks[i_track]->i_extra_data - (size_so_far+i_offset);
2626             msg_Dbg( &sys.demuxer, "kate last header (%d) is %d bytes", num_headers-1, i_size[num_headers-1]);
2627
2628             tracks[i_track]->fmt.i_extra = 1 + num_headers * 2 + size_so_far + i_size[num_headers-1];
2629             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2630
2631             p_extra = (uint8_t *)tracks[i_track]->fmt.p_extra;
2632             i_extra = 0;
2633             *(p_extra++) = num_headers;
2634             ++i_extra;
2635             for( i = 0; i < num_headers; i++ )
2636             {
2637                 *(p_extra++) = i_size[i] >> 8;
2638                 *(p_extra++) = i_size[i] & 0xFF;
2639                 memcpy( p_extra, tracks[i_track]->p_extra_data + i_offset + i_extra-1,
2640                         i_size[i] );
2641                 p_extra += i_size[i];
2642                 i_extra += i_size[i];
2643             }
2644         }
2645         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/UTF8" ) )
2646         {
2647             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 'u', 'b', 't' );
2648             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2649         }
2650         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/USF" ) )
2651         {
2652             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 's', 'f', ' ' );
2653             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2654             if( tracks[i_track]->i_extra_data )
2655             {
2656                 tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2657                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2658                 memcpy( tracks[i_track]->fmt.p_extra, tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2659             }
2660         }
2661         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/SSA" ) ||
2662                  !strcmp( tracks[i_track]->psz_codec, "S_TEXT/ASS" ) ||
2663                  !strcmp( tracks[i_track]->psz_codec, "S_SSA" ) ||
2664                  !strcmp( tracks[i_track]->psz_codec, "S_ASS" ))
2665         {
2666             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 's', 'a', ' ' );
2667             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2668             if( tracks[i_track]->i_extra_data )
2669             {
2670                 tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2671                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2672                 memcpy( tracks[i_track]->fmt.p_extra, tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2673             }
2674         }
2675         else if( !strcmp( tracks[i_track]->psz_codec, "S_VOBSUB" ) )
2676         {
2677             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's','p','u',' ' );
2678             if( tracks[i_track]->i_extra_data )
2679             {
2680                 char *p_start;
2681                 char *p_buf = (char *)malloc( tracks[i_track]->i_extra_data + 1);
2682                 memcpy( p_buf, tracks[i_track]->p_extra_data , tracks[i_track]->i_extra_data );
2683                 p_buf[tracks[i_track]->i_extra_data] = '\0';
2684
2685                 p_start = strstr( p_buf, "size:" );
2686                 if( sscanf( p_start, "size: %dx%d",
2687                         &tracks[i_track]->fmt.subs.spu.i_original_frame_width, &tracks[i_track]->fmt.subs.spu.i_original_frame_height ) == 2 )
2688                 {
2689                     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 );
2690                 }
2691                 else
2692                 {
2693                     msg_Warn( &sys.demuxer, "reading original frame size for vobsub failed" );
2694                 }
2695                 free( p_buf );
2696             }
2697         }
2698         else if( !strcmp( tracks[i_track]->psz_codec, "B_VOBBTN" ) )
2699         {
2700             tracks[i_track]->fmt.i_cat = NAV_ES;
2701             continue;
2702         }
2703         else
2704         {
2705             msg_Err( &sys.demuxer, "unknown codec id=`%s'", tracks[i_track]->psz_codec );
2706             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2707         }
2708         if( tracks[i_track]->b_default )
2709         {
2710             tracks[i_track]->fmt.i_priority = 1000;
2711         }
2712
2713         tracks[i_track]->p_es = es_out_Add( sys.demuxer.out, &tracks[i_track]->fmt );
2714
2715         /* Turn on a subtitles track if it has been flagged as default -
2716          * but only do this if no subtitles track has already been engaged,
2717          * either by an earlier 'default track' (??) or by default
2718          * language choice behaviour.
2719          */
2720         if( tracks[i_track]->b_default )
2721         {
2722             es_out_Control( sys.demuxer.out,
2723                             ES_OUT_SET_DEFAULT,
2724                             tracks[i_track]->p_es );
2725         }
2726
2727         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_start_time );
2728     }
2729
2730     sys.i_start_pts = i_start_time;
2731     // reset the stream reading to the first cluster of the segment used
2732     es.I_O().setFilePointer( i_start_pos );
2733
2734     delete ep;
2735     ep = new EbmlParser( &es, segment, &sys.demuxer );
2736
2737     return true;
2738 }
2739
2740 void demux_sys_t::StartUiThread()
2741 {
2742     if ( !b_ui_hooked )
2743     {
2744         msg_Dbg( &demuxer, "Starting the UI Hook" );
2745         b_ui_hooked = true;
2746         /* FIXME hack hack hack hack FIXME */
2747         /* Get p_input and create variable */
2748         p_input = (input_thread_t *) vlc_object_find( &demuxer, VLC_OBJECT_INPUT, FIND_PARENT );
2749         var_Create( p_input, "x-start", VLC_VAR_INTEGER );
2750         var_Create( p_input, "y-start", VLC_VAR_INTEGER );
2751         var_Create( p_input, "x-end", VLC_VAR_INTEGER );
2752         var_Create( p_input, "y-end", VLC_VAR_INTEGER );
2753         var_Create( p_input, "color", VLC_VAR_ADDRESS );
2754         var_Create( p_input, "menu-palette", VLC_VAR_ADDRESS );
2755         var_Create( p_input, "highlight", VLC_VAR_BOOL );
2756         var_Create( p_input, "highlight-mutex", VLC_VAR_MUTEX );
2757
2758         /* Now create our event thread catcher */
2759         p_ev = (event_thread_t *) vlc_object_create( &demuxer, sizeof( event_thread_t ) );
2760         p_ev->p_demux = &demuxer;
2761         p_ev->b_die = false;
2762         vlc_mutex_init( &p_ev->lock );
2763         vlc_thread_create( p_ev, "mkv event thread handler", EventThread,
2764                         VLC_THREAD_PRIORITY_LOW, false );
2765     }
2766 }
2767
2768 void demux_sys_t::StopUiThread()
2769 {
2770     if ( b_ui_hooked )
2771     {
2772         vlc_object_kill( p_ev );
2773         vlc_thread_join( p_ev );
2774         vlc_object_release( p_ev );
2775
2776         p_ev = NULL;
2777
2778         var_Destroy( p_input, "highlight-mutex" );
2779         var_Destroy( p_input, "highlight" );
2780         var_Destroy( p_input, "x-start" );
2781         var_Destroy( p_input, "x-end" );
2782         var_Destroy( p_input, "y-start" );
2783         var_Destroy( p_input, "y-end" );
2784         var_Destroy( p_input, "color" );
2785         var_Destroy( p_input, "menu-palette" );
2786
2787         vlc_object_release( p_input );
2788
2789         msg_Dbg( &demuxer, "Stopping the UI Hook" );
2790     }
2791     b_ui_hooked = false;
2792 }
2793
2794 int demux_sys_t::EventMouse( vlc_object_t *p_this, char const *psz_var,
2795                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
2796 {
2797     event_thread_t *p_ev = (event_thread_t *) p_data;
2798     vlc_mutex_lock( &p_ev->lock );
2799     if( psz_var[6] == 'c' )
2800     {
2801         p_ev->b_clicked = true;
2802         msg_Dbg( p_this, "Event Mouse: clicked");
2803     }
2804     else if( psz_var[6] == 'm' )
2805         p_ev->b_moved = true;
2806     vlc_mutex_unlock( &p_ev->lock );
2807
2808     return VLC_SUCCESS;
2809 }
2810
2811 int demux_sys_t::EventKey( vlc_object_t *p_this, char const *,
2812                            vlc_value_t, vlc_value_t newval, void *p_data )
2813 {
2814     event_thread_t *p_ev = (event_thread_t *) p_data;
2815     vlc_mutex_lock( &p_ev->lock );
2816     p_ev->i_key_action = newval.i_int;
2817     vlc_mutex_unlock( &p_ev->lock );
2818     msg_Dbg( p_this, "Event Key");
2819
2820     return VLC_SUCCESS;
2821 }
2822
2823 void * demux_sys_t::EventThread( vlc_object_t *p_this )
2824 {
2825     event_thread_t *p_ev = (event_thread_t*)p_this;
2826     demux_sys_t    *p_sys = p_ev->p_demux->p_sys;
2827     vlc_object_t   *p_vout = NULL;
2828
2829     p_ev->b_moved   = false;
2830     p_ev->b_clicked = false;
2831     p_ev->i_key_action = 0;
2832
2833     /* catch all key event */
2834     var_AddCallback( p_ev->p_libvlc, "key-action", EventKey, p_ev );
2835
2836     /* main loop */
2837     while( vlc_object_alive (p_ev) )
2838     {
2839         if ( !p_sys->b_pci_packet_set )
2840         {
2841             /* Wait 100ms */
2842             msleep( 100000 );
2843             continue;
2844         }
2845
2846         bool b_activated = false;
2847
2848         /* KEY part */
2849         if( p_ev->i_key_action )
2850         {
2851             int i;
2852
2853             msg_Dbg( p_ev->p_demux, "Handle Key Event");
2854
2855             vlc_mutex_lock( &p_ev->lock );
2856
2857             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2858
2859             uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2860
2861             switch( p_ev->i_key_action )
2862             {
2863             case ACTIONID_NAV_LEFT:
2864                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2865                 {
2866                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2867                     if ( p_button_ptr->left > 0 && p_button_ptr->left <= pci->hli.hl_gi.btn_ns )
2868                     {
2869                         i_curr_button = p_button_ptr->left;
2870                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2871                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2872                         if ( button_ptr.auto_action_mode )
2873                         {
2874                             vlc_mutex_unlock( &p_ev->lock );
2875                             vlc_mutex_lock( &p_sys->lock_demuxer );
2876
2877                             // process the button action
2878                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2879
2880                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2881                             vlc_mutex_lock( &p_ev->lock );
2882                         }
2883                     }
2884                 }
2885                 break;
2886             case ACTIONID_NAV_RIGHT:
2887                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2888                 {
2889                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2890                     if ( p_button_ptr->right > 0 && p_button_ptr->right <= pci->hli.hl_gi.btn_ns )
2891                     {
2892                         i_curr_button = p_button_ptr->right;
2893                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2894                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2895                         if ( button_ptr.auto_action_mode )
2896                         {
2897                             vlc_mutex_unlock( &p_ev->lock );
2898                             vlc_mutex_lock( &p_sys->lock_demuxer );
2899
2900                             // process the button action
2901                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2902
2903                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2904                             vlc_mutex_lock( &p_ev->lock );
2905                         }
2906                     }
2907                 }
2908                 break;
2909             case ACTIONID_NAV_UP:
2910                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2911                 {
2912                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2913                     if ( p_button_ptr->up > 0 && p_button_ptr->up <= pci->hli.hl_gi.btn_ns )
2914                     {
2915                         i_curr_button = p_button_ptr->up;
2916                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2917                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2918                         if ( button_ptr.auto_action_mode )
2919                         {
2920                             vlc_mutex_unlock( &p_ev->lock );
2921                             vlc_mutex_lock( &p_sys->lock_demuxer );
2922
2923                             // process the button action
2924                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2925
2926                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2927                             vlc_mutex_lock( &p_ev->lock );
2928                         }
2929                     }
2930                 }
2931                 break;
2932             case ACTIONID_NAV_DOWN:
2933                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2934                 {
2935                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2936                     if ( p_button_ptr->down > 0 && p_button_ptr->down <= pci->hli.hl_gi.btn_ns )
2937                     {
2938                         i_curr_button = p_button_ptr->down;
2939                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2940                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2941                         if ( button_ptr.auto_action_mode )
2942                         {
2943                             vlc_mutex_unlock( &p_ev->lock );
2944                             vlc_mutex_lock( &p_sys->lock_demuxer );
2945
2946                             // process the button action
2947                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2948
2949                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2950                             vlc_mutex_lock( &p_ev->lock );
2951                         }
2952                     }
2953                 }
2954                 break;
2955             case ACTIONID_NAV_ACTIVATE:
2956                 b_activated = true;
2957
2958                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2959                 {
2960                     btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2961
2962                     vlc_mutex_unlock( &p_ev->lock );
2963                     vlc_mutex_lock( &p_sys->lock_demuxer );
2964
2965                     // process the button action
2966                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2967
2968                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2969                     vlc_mutex_lock( &p_ev->lock );
2970                 }
2971                 break;
2972             default:
2973                 break;
2974             }
2975             p_ev->i_key_action = 0;
2976             vlc_mutex_unlock( &p_ev->lock );
2977         }
2978
2979         /* MOUSE part */
2980         if( p_vout && ( p_ev->b_moved || p_ev->b_clicked ) )
2981         {
2982             vlc_value_t valx, valy;
2983
2984             vlc_mutex_lock( &p_ev->lock );
2985             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2986             var_Get( p_vout, "mouse-x", &valx );
2987             var_Get( p_vout, "mouse-y", &valy );
2988
2989             if( p_ev->b_clicked )
2990             {
2991                 int32_t button;
2992                 int32_t best,dist,d;
2993                 int32_t mx,my,dx,dy;
2994
2995                 msg_Dbg( p_ev->p_demux, "Handle Mouse Event: Mouse clicked x(%d)*y(%d)", (unsigned)valx.i_int, (unsigned)valy.i_int);
2996
2997                 b_activated = true;
2998                 // get current button
2999                 best = 0;
3000                 dist = 0x08000000; /* >> than  (720*720)+(567*567); */
3001                 for(button = 1; button <= pci->hli.hl_gi.btn_ns; button++)
3002                 {
3003                     btni_t *button_ptr = &(pci->hli.btnit[button-1]);
3004
3005                     if(((unsigned)valx.i_int >= button_ptr->x_start)
3006                      && ((unsigned)valx.i_int <= button_ptr->x_end)
3007                      && ((unsigned)valy.i_int >= button_ptr->y_start)
3008                      && ((unsigned)valy.i_int <= button_ptr->y_end))
3009                     {
3010                         mx = (button_ptr->x_start + button_ptr->x_end)/2;
3011                         my = (button_ptr->y_start + button_ptr->y_end)/2;
3012                         dx = mx - valx.i_int;
3013                         dy = my - valy.i_int;
3014                         d = (dx*dx) + (dy*dy);
3015                         /* If the mouse is within the button and the mouse is closer
3016                         * to the center of this button then it is the best choice. */
3017                         if(d < dist) {
3018                             dist = d;
3019                             best = button;
3020                         }
3021                     }
3022                 }
3023
3024                 if ( best != 0)
3025                 {
3026                     btni_t button_ptr = pci->hli.btnit[best-1];
3027                     uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
3028
3029                     msg_Dbg( &p_sys->demuxer, "Clicked button %d", best );
3030                     vlc_mutex_unlock( &p_ev->lock );
3031                     vlc_mutex_lock( &p_sys->lock_demuxer );
3032
3033                     // process the button action
3034                     p_sys->dvd_interpretor.SetSPRM( 0x88, best );
3035                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
3036
3037                     msg_Dbg( &p_sys->demuxer, "Processed button %d", best );
3038
3039                     // select new button
3040                     if ( best != i_curr_button )
3041                     {
3042                         vlc_value_t val;
3043
3044                         if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
3045                         {
3046                             vlc_mutex_t *p_mutex = (vlc_mutex_t *) val.p_address;
3047                             uint32_t i_palette;
3048
3049                             if(button_ptr.btn_coln != 0) {
3050                                 i_palette = pci->hli.btn_colit.btn_coli[button_ptr.btn_coln-1][1];
3051                             } else {
3052                                 i_palette = 0;
3053                             }
3054
3055                             for( int i = 0; i < 4; i++ )
3056                             {
3057                                 uint32_t i_yuv = 0xFF;//p_sys->clut[(hl.palette>>(16+i*4))&0x0f];
3058                                 uint8_t i_alpha = (i_palette>>(i*4))&0x0f;
3059                                 i_alpha = i_alpha == 0xf ? 0xff : i_alpha << 4;
3060
3061                                 p_sys->palette[i][0] = (i_yuv >> 16) & 0xff;
3062                                 p_sys->palette[i][1] = (i_yuv >> 0) & 0xff;
3063                                 p_sys->palette[i][2] = (i_yuv >> 8) & 0xff;
3064                                 p_sys->palette[i][3] = i_alpha;
3065                             }
3066
3067                             vlc_mutex_lock( p_mutex );
3068                             val.i_int = button_ptr.x_start; var_Set( p_sys->p_input, "x-start", val );
3069                             val.i_int = button_ptr.x_end;   var_Set( p_sys->p_input, "x-end",   val );
3070                             val.i_int = button_ptr.y_start; var_Set( p_sys->p_input, "y-start", val );
3071                             val.i_int = button_ptr.y_end;   var_Set( p_sys->p_input, "y-end",   val );
3072
3073                             val.p_address = (void *)p_sys->palette;
3074                             var_Set( p_sys->p_input, "menu-palette", val );
3075
3076                             val.b_bool = true; var_Set( p_sys->p_input, "highlight", val );
3077                             vlc_mutex_unlock( p_mutex );
3078                         }
3079                     }
3080                     vlc_mutex_unlock( &p_sys->lock_demuxer );
3081                     vlc_mutex_lock( &p_ev->lock );
3082                 }
3083             }
3084             else if( p_ev->b_moved )
3085             {
3086 //                dvdnav_mouse_select( NULL, pci, valx.i_int, valy.i_int );
3087             }
3088
3089             p_ev->b_moved = false;
3090             p_ev->b_clicked = false;
3091             vlc_mutex_unlock( &p_ev->lock );
3092         }
3093
3094         /* VOUT part */
3095         if( p_vout && !vlc_object_alive (p_vout) )
3096         {
3097             var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
3098             var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
3099             vlc_object_release( p_vout );
3100             p_vout = NULL;
3101         }
3102
3103         else if( p_vout == NULL )
3104         {
3105             p_vout = (vlc_object_t*) vlc_object_find( p_sys->p_input, VLC_OBJECT_VOUT,
3106                                       FIND_CHILD );
3107             if( p_vout)
3108             {
3109                 var_AddCallback( p_vout, "mouse-moved", EventMouse, p_ev );
3110                 var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
3111             }
3112         }
3113
3114         /* Wait a bit, 10ms */
3115         msleep( 10000 );
3116     }
3117
3118     /* Release callback */
3119     if( p_vout )
3120     {
3121         var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
3122         var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
3123         vlc_object_release( p_vout );
3124     }
3125     var_DelCallback( p_ev->p_libvlc, "key-action", EventKey, p_ev );
3126
3127     vlc_mutex_destroy( &p_ev->lock );
3128
3129     return VLC_SUCCESS;
3130 }
3131
3132 void matroska_segment_c::UnSelect( )
3133 {
3134     size_t i_track;
3135
3136     for( i_track = 0; i_track < tracks.size(); i_track++ )
3137     {
3138         if ( tracks[i_track]->p_es != NULL )
3139         {
3140 //            es_format_Clean( &tracks[i_track]->fmt );
3141             es_out_Del( sys.demuxer.out, tracks[i_track]->p_es );
3142             tracks[i_track]->p_es = NULL;
3143         }
3144     }
3145     delete ep;
3146     ep = NULL;
3147 }
3148
3149 void virtual_segment_c::PrepareChapters( )
3150 {
3151     if ( linked_segments.size() == 0 )
3152         return;
3153
3154     // !!! should be called only once !!!
3155     matroska_segment_c *p_segment;
3156     size_t i, j;
3157
3158     // copy editions from the first segment
3159     p_segment = linked_segments[0];
3160     p_editions = &p_segment->stored_editions;
3161
3162     for ( i=1 ; i<linked_segments.size(); i++ )
3163     {
3164         p_segment = linked_segments[i];
3165         // FIXME assume we have the same editions in all segments
3166         for (j=0; j<p_segment->stored_editions.size(); j++)
3167         {
3168             if( j >= p_editions->size() ) /* Protect against broken files (?) */
3169                 break;
3170             (*p_editions)[j]->Append( *p_segment->stored_editions[j] );
3171         }
3172     }
3173 }
3174
3175 std::string chapter_edition_c::GetMainName() const
3176 {
3177     if ( sub_chapters.size() )
3178     {
3179         return sub_chapters[0]->GetCodecName( true );
3180     }
3181     return "";
3182 }
3183
3184 int chapter_item_c::PublishChapters( input_title_t & title, int & i_user_chapters, int i_level )
3185 {
3186     // add support for meta-elements from codec like DVD Titles
3187     if ( !b_display_seekpoint || psz_name == "" )
3188     {
3189         psz_name = GetCodecName();
3190         if ( psz_name != "" )
3191             b_display_seekpoint = true;
3192     }
3193
3194     if (b_display_seekpoint)
3195     {
3196         seekpoint_t *sk = vlc_seekpoint_New();
3197
3198         sk->i_level = i_level;
3199         sk->i_time_offset = i_start_time;
3200         sk->psz_name = strdup( psz_name.c_str() );
3201
3202         // A start time of '0' is ok. A missing ChapterTime element is ok, too, because '0' is its default value.
3203         title.i_seekpoint++;
3204         title.seekpoint = (seekpoint_t**)realloc( title.seekpoint, title.i_seekpoint * sizeof( seekpoint_t* ) );
3205         title.seekpoint[title.i_seekpoint-1] = sk;
3206
3207         if ( b_user_display )
3208             i_user_chapters++;
3209     }
3210
3211     for ( size_t i=0; i<sub_chapters.size() ; i++)
3212     {
3213         sub_chapters[i]->PublishChapters( title, i_user_chapters, i_level+1 );
3214     }
3215
3216     i_seekpoint_num = i_user_chapters;
3217
3218     return i_user_chapters;
3219 }
3220
3221 bool virtual_segment_c::UpdateCurrentToChapter( demux_t & demux )
3222 {
3223     demux_sys_t & sys = *demux.p_sys;
3224     chapter_item_c *psz_curr_chapter;
3225     bool b_has_seeked = false;
3226
3227     /* update current chapter/seekpoint */
3228     if ( p_editions->size() )
3229     {
3230         /* 1st, we need to know in which chapter we are */
3231         psz_curr_chapter = (*p_editions)[i_current_edition]->FindTimecode( sys.i_pts, psz_current_chapter );
3232
3233         /* we have moved to a new chapter */
3234         if (psz_curr_chapter != NULL && psz_current_chapter != psz_curr_chapter)
3235         {
3236             if ( (*p_editions)[i_current_edition]->b_ordered )
3237             {
3238                 // Leave/Enter up to the link point
3239                 b_has_seeked = psz_curr_chapter->EnterAndLeave( psz_current_chapter );
3240                 if ( !b_has_seeked )
3241                 {
3242                     // only physically seek if necessary
3243                     if ( psz_current_chapter == NULL || (psz_current_chapter->i_end_time != psz_curr_chapter->i_start_time) )
3244                         Seek( demux, sys.i_pts, 0, psz_curr_chapter, -1 );
3245                 }
3246             }
3247
3248             if ( !b_has_seeked )
3249             {
3250                 psz_current_chapter = psz_curr_chapter;
3251                 if ( psz_curr_chapter->i_seekpoint_num > 0 )
3252                 {
3253                     demux.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
3254                     demux.info.i_title = sys.i_current_title = i_sys_title;
3255                     demux.info.i_seekpoint = psz_curr_chapter->i_seekpoint_num - 1;
3256                 }
3257             }
3258
3259             return true;
3260         }
3261         else if (psz_curr_chapter == NULL)
3262         {
3263             // out of the scope of the data described by chapters, leave the edition
3264             if ( (*p_editions)[i_current_edition]->b_ordered && psz_current_chapter != NULL )
3265             {
3266                 if ( !(*p_editions)[i_current_edition]->EnterAndLeave( psz_current_chapter, false ) )
3267                     psz_current_chapter = NULL;
3268                 else
3269                     return true;
3270             }
3271         }
3272     }
3273     return false;
3274 }
3275
3276 chapter_item_c *virtual_segment_c::BrowseCodecPrivate( unsigned int codec_id,
3277                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
3278                                     const void *p_cookie,
3279                                     size_t i_cookie_size )
3280 {
3281     // FIXME don't assume it is the first edition
3282     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
3283     if ( index != p_editions->end() )
3284     {
3285         chapter_item_c *p_result = (*index)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
3286         if ( p_result != NULL )
3287             return p_result;
3288     }
3289     return NULL;
3290 }
3291
3292 chapter_item_c *virtual_segment_c::FindChapter( int64_t i_find_uid )
3293 {
3294     // FIXME don't assume it is the first edition
3295     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
3296     if ( index != p_editions->end() )
3297     {
3298         chapter_item_c *p_result = (*index)->FindChapter( i_find_uid );
3299         if ( p_result != NULL )
3300             return p_result;
3301     }
3302     return NULL;
3303 }
3304
3305 chapter_item_c *chapter_item_c::BrowseCodecPrivate( unsigned int codec_id,
3306                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
3307                                     const void *p_cookie,
3308                                     size_t i_cookie_size )
3309 {
3310     // this chapter
3311     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
3312     while ( index != codecs.end() )
3313     {
3314         if ( match( **index ,p_cookie, i_cookie_size ) )
3315             return this;
3316         index++;
3317     }
3318
3319     // sub-chapters
3320     chapter_item_c *p_result = NULL;
3321     std::vector<chapter_item_c*>::const_iterator index2 = sub_chapters.begin();
3322     while ( index2 != sub_chapters.end() )
3323     {
3324         p_result = (*index2)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
3325         if ( p_result != NULL )
3326             return p_result;
3327         index2++;
3328     }
3329
3330     return p_result;
3331 }
3332
3333 void chapter_item_c::Append( const chapter_item_c & chapter )
3334 {
3335     // we are appending content for the same chapter UID
3336     size_t i;
3337     chapter_item_c *p_chapter;
3338
3339     for ( i=0; i<chapter.sub_chapters.size(); i++ )
3340     {
3341         p_chapter = FindChapter( chapter.sub_chapters[i]->i_uid );
3342         if ( p_chapter != NULL )
3343         {
3344             p_chapter->Append( *chapter.sub_chapters[i] );
3345         }
3346         else
3347         {
3348             sub_chapters.push_back( chapter.sub_chapters[i] );
3349         }
3350     }
3351
3352     i_user_start_time = min( i_user_start_time, chapter.i_user_start_time );
3353     i_user_end_time = max( i_user_end_time, chapter.i_user_end_time );
3354 }
3355
3356 chapter_item_c * chapter_item_c::FindChapter( int64_t i_find_uid )
3357 {
3358     size_t i;
3359     chapter_item_c *p_result = NULL;
3360
3361     if ( i_uid == i_find_uid )
3362         return this;
3363
3364     for ( i=0; i<sub_chapters.size(); i++)
3365     {
3366         p_result = sub_chapters[i]->FindChapter( i_find_uid );
3367         if ( p_result != NULL )
3368             break;
3369     }
3370     return p_result;
3371 }
3372
3373 std::string chapter_item_c::GetCodecName( bool f_for_title ) const
3374 {
3375     std::string result;
3376
3377     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
3378     while ( index != codecs.end() )
3379     {
3380         result = (*index)->GetCodecName( f_for_title );
3381         if ( result != "" )
3382             break;
3383         index++;
3384     }
3385
3386     return result;
3387 }
3388
3389 std::string dvd_chapter_codec_c::GetCodecName( bool f_for_title ) const
3390 {
3391     std::string result;
3392     if ( p_private_data->GetSize() >= 3)
3393     {
3394         const binary* p_data = p_private_data->GetBuffer();
3395 /*        if ( p_data[0] == MATROSKA_DVD_LEVEL_TT )
3396         {
3397             uint16_t i_title = (p_data[1] << 8) + p_data[2];
3398             char psz_str[11];
3399             sprintf( psz_str, " %d  ---", i_title );
3400             result = N_("---  DVD Title");
3401             result += psz_str;
3402         }
3403         else */ if ( p_data[0] == MATROSKA_DVD_LEVEL_LU )
3404         {
3405             char psz_str[11];
3406             sprintf( psz_str, " (%c%c)  ---", p_data[1], p_data[2] );
3407             result = N_("---  DVD Menu");
3408             result += psz_str;
3409         }
3410         else if ( p_data[0] == MATROSKA_DVD_LEVEL_SS && f_for_title )
3411         {
3412             if ( p_data[1] == 0x00 )
3413                 result = N_("First Played");
3414             else if ( p_data[1] == 0xC0 )
3415                 result = N_("Video Manager");
3416             else if ( p_data[1] == 0x80 )
3417             {
3418                 uint16_t i_title = (p_data[2] << 8) + p_data[3];
3419                 char psz_str[20];
3420                 sprintf( psz_str, " %d -----", i_title );
3421                 result = N_("----- Title");
3422                 result += psz_str;
3423             }
3424         }
3425     }
3426
3427     return result;
3428 }
3429
3430 int16 chapter_item_c::GetTitleNumber( ) const
3431 {
3432     int result = -1;
3433
3434     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
3435     while ( index != codecs.end() )
3436     {
3437         result = (*index)->GetTitleNumber( );
3438         if ( result >= 0 )
3439             break;
3440         index++;
3441     }
3442
3443     return result;
3444 }
3445
3446 int16 dvd_chapter_codec_c::GetTitleNumber()
3447 {
3448     if ( p_private_data->GetSize() >= 3)
3449     {
3450         const binary* p_data = p_private_data->GetBuffer();
3451         if ( p_data[0] == MATROSKA_DVD_LEVEL_SS )
3452         {
3453             return int16( (p_data[2] << 8) + p_data[3] );
3454         }
3455     }
3456     return -1;
3457 }
3458
3459 static void Seek( demux_t *p_demux, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter )
3460 {
3461     demux_sys_t        *p_sys = p_demux->p_sys;
3462     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3463     matroska_segment_c *p_segment = p_vsegment->Segment();
3464     mtime_t            i_time_offset = 0;
3465     int64_t            i_global_position = -1;
3466
3467     int         i_index;
3468
3469     msg_Dbg( p_demux, "seek request to %"PRId64" (%f%%)", i_date, f_percent );
3470     if( i_date < 0 && f_percent < 0 )
3471     {
3472         msg_Warn( p_demux, "cannot seek nowhere !" );
3473         return;
3474     }
3475     if( f_percent > 1.0 )
3476     {
3477         msg_Warn( p_demux, "cannot seek so far !" );
3478         return;
3479     }
3480
3481     /* seek without index or without date */
3482     if( f_percent >= 0 && (config_GetInt( p_demux, "mkv-seek-percent" ) || !p_segment->b_cues || i_date < 0 ))
3483     {
3484         if( p_sys->f_duration >= 0 && p_segment->b_cues )
3485         {
3486             i_date = int64_t( f_percent * p_sys->f_duration * 1000.0 );
3487         }
3488         else
3489         {
3490             int64_t i_pos = int64_t( f_percent * stream_Size( p_demux->s ) );
3491
3492             msg_Dbg( p_demux, "inaccurate way of seeking for pos:%"PRId64, i_pos );
3493             for( i_index = 0; i_index < p_segment->i_index; i_index++ )
3494             {
3495                 if( p_segment->b_cues && p_segment->p_indexes[i_index].i_position < i_pos )
3496                     break;
3497                 if( !p_segment->b_cues && p_segment->p_indexes[i_index].i_position >= i_pos && p_segment->p_indexes[i_index].i_time > 0 )
3498                     break;
3499             }
3500             if( i_index == p_segment->i_index )
3501             {
3502                 i_index--;
3503             }
3504
3505             i_date = p_segment->p_indexes[i_index].i_time;
3506
3507             if( !p_segment->b_cues && ( p_segment->p_indexes[i_index].i_position < i_pos || p_segment->p_indexes[i_index].i_position - i_pos > 2000000 ))
3508             {
3509                 msg_Dbg( p_demux, "no cues, seek request to global pos: %"PRId64, i_pos );
3510                 i_global_position = i_pos;
3511             }
3512         }
3513     }
3514
3515     p_vsegment->Seek( *p_demux, i_date, i_time_offset, psz_chapter, i_global_position );
3516 }
3517
3518 /*****************************************************************************
3519  * Demux: reads and demuxes data packets
3520  *****************************************************************************
3521  * Returns -1 in case of error, 0 in case of EOF, 1 otherwise
3522  *****************************************************************************/
3523 static int Demux( demux_t *p_demux)
3524 {
3525     demux_sys_t        *p_sys = p_demux->p_sys;
3526
3527     vlc_mutex_lock( &p_sys->lock_demuxer );
3528
3529     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3530     matroska_segment_c *p_segment = p_vsegment->Segment();
3531     if ( p_segment == NULL ) return 0;
3532     int                i_block_count = 0;
3533     int                i_return = 0;
3534
3535     for( ;; )
3536     {
3537         if ( p_sys->demuxer.b_die )
3538             break;
3539
3540         if( p_sys->i_pts >= p_sys->i_start_pts  )
3541             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3542             {
3543                 i_return = 1;
3544                 break;
3545             }
3546
3547         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3548         {
3549             /* nothing left to read in this ordered edition */
3550             if ( !p_vsegment->SelectNext() )
3551                 break;
3552             p_segment->UnSelect( );
3553
3554             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3555
3556             /* switch to the next segment */
3557             p_segment = p_vsegment->Segment();
3558             if ( !p_segment->Select( 0 ) )
3559             {
3560                 msg_Err( p_demux, "Failed to select new segment" );
3561                 break;
3562             }
3563             continue;
3564         }
3565
3566         KaxBlock *block;
3567         int64_t i_block_duration = 0;
3568         int64_t i_block_ref1;
3569         int64_t i_block_ref2;
3570
3571 #if LIBMATROSKA_VERSION >= 0x000800
3572         KaxSimpleBlock *simpleblock;
3573
3574         if( p_segment->BlockGet( block, simpleblock, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
3575 #else
3576         if( p_segment->BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
3577 #endif
3578         {
3579             if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered )
3580             {
3581                 const chapter_item_c *p_chap = p_vsegment->CurrentChapter();
3582                 // check if there are more chapters to read
3583                 if ( p_chap != NULL )
3584                 {
3585                     /* TODO handle successive chapters with the same user_start_time/user_end_time
3586                     if ( p_chap->i_user_start_time == p_chap->i_user_start_time )
3587                         p_vsegment->SelectNext();
3588                     */
3589                     p_sys->i_pts = p_chap->i_user_end_time;
3590                     p_sys->i_pts++; // trick to avoid staying on segments with no duration and no content
3591
3592                     i_return = 1;
3593                 }
3594
3595                 break;
3596             }
3597             else
3598             {
3599                 msg_Warn( p_demux, "cannot get block EOF?" );
3600                 p_segment->UnSelect( );
3601
3602                 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3603
3604                 /* switch to the next segment */
3605                 if ( !p_vsegment->SelectNext() )
3606                     // no more segments in this stream
3607                     break;
3608                 p_segment = p_vsegment->Segment();
3609                 if ( !p_segment->Select( 0 ) )
3610                 {
3611                     msg_Err( p_demux, "Failed to select new segment" );
3612                     break;
3613                 }
3614
3615                 continue;
3616             }
3617         }
3618
3619 #if LIBMATROSKA_VERSION >= 0x000800
3620         if ( simpleblock != NULL )
3621             p_sys->i_pts = (p_sys->i_chapter_time + simpleblock->GlobalTimecode()) / (mtime_t) 1000;
3622         else
3623 #endif
3624         p_sys->i_pts = (p_sys->i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
3625
3626         if( p_sys->i_pts >= p_sys->i_start_pts  )
3627         {
3628             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pts );
3629
3630             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3631             {
3632                 i_return = 1;
3633                 delete block;
3634                 break;
3635             }
3636         }
3637
3638         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3639         {
3640             /* nothing left to read in this ordered edition */
3641             if ( !p_vsegment->SelectNext() )
3642             {
3643                 delete block;
3644                 break;
3645             }
3646             p_segment->UnSelect( );
3647
3648             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3649
3650             /* switch to the next segment */
3651             p_segment = p_vsegment->Segment();
3652             if ( !p_segment->Select( 0 ) )
3653             {
3654                 msg_Err( p_demux, "Failed to select new segment" );
3655                 delete block;
3656                 break;
3657             }
3658             delete block;
3659             continue;
3660         }
3661
3662 #if LIBMATROSKA_VERSION >= 0x000800
3663         BlockDecode( p_demux, block, simpleblock, p_sys->i_pts, i_block_duration, i_block_ref1 >= 0 || i_block_ref2 > 0 );
3664 #else
3665         BlockDecode( p_demux, block, p_sys->i_pts, i_block_duration, i_block_ref1 >= 0 || i_block_ref2 > 0 );
3666 #endif
3667
3668         delete block;
3669         i_block_count++;
3670
3671         // TODO optimize when there is need to leave or when seeking has been called
3672         if( i_block_count > 5 )
3673         {
3674             i_return = 1;
3675             break;
3676         }
3677     }
3678
3679     vlc_mutex_unlock( &p_sys->lock_demuxer );
3680
3681     return i_return;
3682 }
3683
3684
3685
3686 /*****************************************************************************
3687  * Stream managment
3688  *****************************************************************************/
3689 vlc_stream_io_callback::vlc_stream_io_callback( stream_t *s_, bool b_owner_ )
3690 {
3691     s = s_;
3692     b_owner = b_owner_;
3693     mb_eof = false;
3694 }
3695
3696 uint32 vlc_stream_io_callback::read( void *p_buffer, size_t i_size )
3697 {
3698     if( i_size <= 0 || mb_eof )
3699     {
3700         return 0;
3701     }
3702
3703     return stream_Read( s, p_buffer, i_size );
3704 }
3705 void vlc_stream_io_callback::setFilePointer(int64_t i_offset, seek_mode mode )
3706 {
3707     int64_t i_pos;
3708
3709     switch( mode )
3710     {
3711         case seek_beginning:
3712             i_pos = i_offset;
3713             break;
3714         case seek_end:
3715             i_pos = stream_Size( s ) - i_offset;
3716             break;
3717         default:
3718             i_pos= stream_Tell( s ) + i_offset;
3719             break;
3720     }
3721
3722     if( i_pos < 0 || i_pos >= stream_Size( s ) )
3723     {
3724         mb_eof = true;
3725         return;
3726     }
3727
3728     mb_eof = false;
3729     if( stream_Seek( s, i_pos ) )
3730     {
3731         mb_eof = true;
3732     }
3733     return;
3734 }
3735 size_t vlc_stream_io_callback::write( const void *p_buffer, size_t i_size )
3736 {
3737     return 0;
3738 }
3739 uint64 vlc_stream_io_callback::getFilePointer( void )
3740 {
3741     if ( s == NULL )
3742         return 0;
3743     return stream_Tell( s );
3744 }
3745 void vlc_stream_io_callback::close( void )
3746 {
3747     return;
3748 }
3749
3750
3751 /*****************************************************************************
3752  * Ebml Stream parser
3753  *****************************************************************************/
3754 EbmlParser::EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux )
3755 {
3756     int i;
3757
3758     m_es = es;
3759     m_got = NULL;
3760     m_el[0] = el_start;
3761     mi_remain_size[0] = el_start->GetSize();
3762
3763     for( i = 1; i < 6; i++ )
3764     {
3765         m_el[i] = NULL;
3766     }
3767     mi_level = 1;
3768     mi_user_level = 1;
3769     mb_keep = false;
3770     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3771 }
3772
3773 EbmlParser::~EbmlParser( void )
3774 {
3775     int i;
3776
3777     for( i = 1; i < mi_level; i++ )
3778     {
3779         if( !mb_keep )
3780         {
3781             delete m_el[i];
3782         }
3783         mb_keep = false;
3784     }
3785 }
3786
3787 EbmlElement* EbmlParser::UnGet( uint64 i_block_pos, uint64 i_cluster_pos )
3788 {
3789     if ( mi_user_level > mi_level )
3790     {
3791         while ( mi_user_level != mi_level )
3792         {
3793             delete m_el[mi_user_level];
3794             m_el[mi_user_level] = NULL;
3795             mi_user_level--;
3796         }
3797     }
3798     m_got = NULL;
3799     mb_keep = false;
3800     if ( m_el[1]->GetElementPosition() == i_cluster_pos )
3801     {
3802         m_es->I_O().setFilePointer( i_block_pos, seek_beginning );
3803         return (EbmlMaster*) m_el[1];
3804     }
3805     else
3806     {
3807         // seek to the previous Cluster
3808         m_es->I_O().setFilePointer( i_cluster_pos, seek_beginning );
3809         mi_level--;
3810         mi_user_level--;
3811         delete m_el[mi_level];
3812         m_el[mi_level] = NULL;
3813         return NULL;
3814     }
3815 }
3816
3817 void EbmlParser::Up( void )
3818 {
3819     if( mi_user_level == mi_level )
3820     {
3821         fprintf( stderr," arrrrrrrrrrrrrg Up cannot escape itself\n" );
3822     }
3823
3824     mi_user_level--;
3825 }
3826
3827 void EbmlParser::Down( void )
3828 {
3829     mi_user_level++;
3830     mi_level++;
3831 }
3832
3833 void EbmlParser::Keep( void )
3834 {
3835     mb_keep = true;
3836 }
3837
3838 int EbmlParser::GetLevel( void )
3839 {
3840     return mi_user_level;
3841 }
3842
3843 void EbmlParser::Reset( demux_t *p_demux )
3844 {
3845     while ( mi_level > 0)
3846     {
3847         delete m_el[mi_level];
3848         m_el[mi_level] = NULL;
3849         mi_level--;
3850     }
3851     mi_user_level = mi_level = 1;
3852 #if LIBEBML_VERSION >= 0x000704
3853     // a little faster and cleaner
3854     m_es->I_O().setFilePointer( static_cast<KaxSegment*>(m_el[0])->GetGlobalPosition(0) );
3855 #else
3856     m_es->I_O().setFilePointer( m_el[0]->GetElementPosition() + m_el[0]->ElementSize(true) - m_el[0]->GetSize() );
3857 #endif
3858     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3859 }
3860
3861 #if LIBMATROSKA_VERSION >= 0x000800
3862 /* This function workarounds a bug in KaxBlockVirtual implementation */
3863 class KaxBlockVirtualWorkaround : public KaxBlockVirtual
3864 {
3865 public:
3866     void Fix()
3867     {
3868         if( Data == DataBlock )
3869             SetBuffer( NULL, 0 );
3870     }
3871 };
3872 #endif
3873
3874 EbmlElement *EbmlParser::Get( void )
3875 {
3876     int i_ulev = 0;
3877
3878     if( mi_user_level != mi_level )
3879     {
3880         return NULL;
3881     }
3882     if( m_got )
3883     {
3884         EbmlElement *ret = m_got;
3885         m_got = NULL;
3886
3887         return ret;
3888     }
3889
3890     if( m_el[mi_level] )
3891     {
3892         m_el[mi_level]->SkipData( *m_es, m_el[mi_level]->Generic().Context );
3893         if( !mb_keep )
3894         {
3895 #if LIBMATROSKA_VERSION >= 0x000800
3896             if( MKV_IS_ID( m_el[mi_level], KaxBlockVirtual ) )
3897                 static_cast<KaxBlockVirtualWorkaround*>(m_el[mi_level])->Fix();
3898 #endif
3899             delete m_el[mi_level];
3900         }
3901         mb_keep = false;
3902     }
3903
3904     m_el[mi_level] = m_es->FindNextElement( m_el[mi_level - 1]->Generic().Context, i_ulev, 0xFFFFFFFFL, mb_dummy != 0, 1 );
3905 //    mi_remain_size[mi_level] = m_el[mi_level]->GetSize();
3906     if( i_ulev > 0 )
3907     {
3908         while( i_ulev > 0 )
3909         {
3910             if( mi_level == 1 )
3911             {
3912                 mi_level = 0;
3913                 return NULL;
3914             }
3915
3916             delete m_el[mi_level - 1];
3917             m_got = m_el[mi_level -1] = m_el[mi_level];
3918             m_el[mi_level] = NULL;
3919
3920             mi_level--;
3921             i_ulev--;
3922         }
3923         return NULL;
3924     }
3925     else if( m_el[mi_level] == NULL )
3926     {
3927         fprintf( stderr," m_el[mi_level] == NULL\n" );
3928     }
3929
3930     return m_el[mi_level];
3931 }
3932
3933 bool EbmlParser::IsTopPresent( EbmlElement *el )
3934 {
3935     for( int i = 0; i < mi_level; i++ )
3936     {
3937         if( m_el[i] && m_el[i] == el )
3938             return true;
3939     }
3940     return false;
3941 }
3942
3943 /*****************************************************************************
3944  * Tools
3945  *  * LoadCues : load the cues element and update index
3946  *
3947  *  * LoadTags : load ... the tags element
3948  *
3949  *  * InformationCreate : create all information, load tags if present
3950  *
3951  *****************************************************************************/
3952 void matroska_segment_c::LoadCues( KaxCues *cues )
3953 {
3954     EbmlParser  *ep;
3955     EbmlElement *el;
3956     size_t i, j;
3957
3958     if( b_cues )
3959     {
3960         msg_Err( &sys.demuxer, "There can be only 1 Cues per section." );
3961         return;
3962     }
3963
3964     ep = new EbmlParser( &es, cues, &sys.demuxer );
3965     while( ( el = ep->Get() ) != NULL )
3966     {
3967         if( MKV_IS_ID( el, KaxCuePoint ) )
3968         {
3969 #define idx p_indexes[i_index]
3970
3971             idx.i_track       = -1;
3972             idx.i_block_number= -1;
3973             idx.i_position    = -1;
3974             idx.i_time        = 0;
3975             idx.b_key         = true;
3976
3977             ep->Down();
3978             while( ( el = ep->Get() ) != NULL )
3979             {
3980                 if( MKV_IS_ID( el, KaxCueTime ) )
3981                 {
3982                     KaxCueTime &ctime = *(KaxCueTime*)el;
3983
3984                     ctime.ReadData( es.I_O() );
3985
3986                     idx.i_time = uint64( ctime ) * i_timescale / (mtime_t)1000;
3987                 }
3988                 else if( MKV_IS_ID( el, KaxCueTrackPositions ) )
3989                 {
3990                     ep->Down();
3991                     while( ( el = ep->Get() ) != NULL )
3992                     {
3993                         if( MKV_IS_ID( el, KaxCueTrack ) )
3994                         {
3995                             KaxCueTrack &ctrack = *(KaxCueTrack*)el;
3996
3997                             ctrack.ReadData( es.I_O() );
3998                             idx.i_track = uint16( ctrack );
3999                         }
4000                         else if( MKV_IS_ID( el, KaxCueClusterPosition ) )
4001                         {
4002                             KaxCueClusterPosition &ccpos = *(KaxCueClusterPosition*)el;
4003
4004                             ccpos.ReadData( es.I_O() );
4005                             idx.i_position = segment->GetGlobalPosition( uint64( ccpos ) );
4006                         }
4007                         else if( MKV_IS_ID( el, KaxCueBlockNumber ) )
4008                         {
4009                             KaxCueBlockNumber &cbnum = *(KaxCueBlockNumber*)el;
4010
4011                             cbnum.ReadData( es.I_O() );
4012                             idx.i_block_number = uint32( cbnum );
4013                         }
4014                         else
4015                         {
4016                             msg_Dbg( &sys.demuxer, "         * Unknown (%s)", typeid(*el).name() );
4017                         }
4018                     }
4019                     ep->Up();
4020                 }
4021                 else
4022                 {
4023                     msg_Dbg( &sys.demuxer, "     * Unknown (%s)", typeid(*el).name() );
4024                 }
4025             }
4026             ep->Up();
4027
4028 #if 0
4029             msg_Dbg( &sys.demuxer, " * added time=%"PRId64" pos=%"PRId64
4030                      " track=%d bnum=%d", idx.i_time, idx.i_position,
4031                      idx.i_track, idx.i_block_number );
4032 #endif
4033
4034             i_index++;
4035             if( i_index >= i_index_max )
4036             {
4037                 i_index_max += 1024;
4038                 p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
4039             }
4040 #undef idx
4041         }
4042         else
4043         {
4044             msg_Dbg( &sys.demuxer, " * Unknown (%s)", typeid(*el).name() );
4045         }
4046     }
4047     delete ep;
4048     b_cues = true;
4049     msg_Dbg( &sys.demuxer, "|   - loading cues done." );
4050 }
4051
4052 void matroska_segment_c::LoadTags( KaxTags *tags )
4053 {
4054     EbmlParser  *ep;
4055     EbmlElement *el;
4056     size_t i, j;
4057
4058     /* Master elements */
4059     ep = new EbmlParser( &es, tags, &sys.demuxer );
4060
4061     while( ( el = ep->Get() ) != NULL )
4062     {
4063         if( MKV_IS_ID( el, KaxTag ) )
4064         {
4065             msg_Dbg( &sys.demuxer, "+ Tag" );
4066             ep->Down();
4067             while( ( el = ep->Get() ) != NULL )
4068             {
4069                 if( MKV_IS_ID( el, KaxTagTargets ) )
4070                 {
4071                     msg_Dbg( &sys.demuxer, "|   + Targets" );
4072                     ep->Down();
4073                     while( ( el = ep->Get() ) != NULL )
4074                     {
4075                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
4076                     }
4077                     ep->Up();
4078                 }
4079                 else if( MKV_IS_ID( el, KaxTagGeneral ) )
4080                 {
4081                     msg_Dbg( &sys.demuxer, "|   + General" );
4082                     ep->Down();
4083                     while( ( el = ep->Get() ) != NULL )
4084                     {
4085                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
4086                     }
4087                     ep->Up();
4088                 }
4089                 else if( MKV_IS_ID( el, KaxTagGenres ) )
4090                 {
4091                     msg_Dbg( &sys.demuxer, "|   + Genres" );
4092                     ep->Down();
4093                     while( ( el = ep->Get() ) != NULL )
4094                     {
4095                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
4096                     }
4097                     ep->Up();
4098                 }
4099                 else if( MKV_IS_ID( el, KaxTagAudioSpecific ) )
4100                 {
4101                     msg_Dbg( &sys.demuxer, "|   + Audio Specific" );
4102                     ep->Down();
4103                     while( ( el = ep->Get() ) != NULL )
4104                     {
4105                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
4106                     }
4107                     ep->Up();
4108                 }
4109                 else if( MKV_IS_ID( el, KaxTagImageSpecific ) )
4110                 {
4111                     msg_Dbg( &sys.demuxer, "|   + Images Specific" );
4112                     ep->Down();
4113                     while( ( el = ep->Get() ) != NULL )
4114                     {
4115                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
4116                     }
4117                     ep->Up();
4118                 }
4119                 else if( MKV_IS_ID( el, KaxTagMultiComment ) )
4120                 {
4121                     msg_Dbg( &sys.demuxer, "|   + Multi Comment" );
4122                 }
4123                 else if( MKV_IS_ID( el, KaxTagMultiCommercial ) )
4124                 {
4125                     msg_Dbg( &sys.demuxer, "|   + Multi Commercial" );
4126                 }
4127                 else if( MKV_IS_ID( el, KaxTagMultiDate ) )
4128                 {
4129                     msg_Dbg( &sys.demuxer, "|   + Multi Date" );
4130                 }
4131                 else if( MKV_IS_ID( el, KaxTagMultiEntity ) )
4132                 {
4133                     msg_Dbg( &sys.demuxer, "|   + Multi Entity" );
4134                 }
4135                 else if( MKV_IS_ID( el, KaxTagMultiIdentifier ) )
4136                 {
4137                     msg_Dbg( &sys.demuxer, "|   + Multi Identifier" );
4138                 }
4139                 else if( MKV_IS_ID( el, KaxTagMultiLegal ) )
4140                 {
4141                     msg_Dbg( &sys.demuxer, "|   + Multi Legal" );
4142                 }
4143                 else if( MKV_IS_ID( el, KaxTagMultiTitle ) )
4144                 {
4145                     msg_Dbg( &sys.demuxer, "|   + Multi Title" );
4146                 }
4147                 else
4148                 {
4149                     msg_Dbg( &sys.demuxer, "|   + LoadTag Unknown (%s)", typeid( *el ).name() );
4150                 }
4151             }
4152             ep->Up();
4153         }
4154         else
4155         {
4156             msg_Dbg( &sys.demuxer, "+ Unknown (%s)", typeid( *el ).name() );
4157         }
4158     }
4159     delete ep;
4160
4161     msg_Dbg( &sys.demuxer, "loading tags done." );
4162 }
4163
4164 /*****************************************************************************
4165  * ParseSeekHead:
4166  *****************************************************************************/
4167 void matroska_segment_c::ParseSeekHead( KaxSeekHead *seekhead )
4168 {
4169     EbmlParser  *ep;
4170     EbmlElement *l;
4171     size_t i, j;
4172     int i_upper_level = 0;
4173     bool b_seekable;
4174
4175     i_seekhead_count++;
4176
4177     stream_Control( sys.demuxer.s, STREAM_CAN_SEEK, &b_seekable );
4178     if( !b_seekable )
4179         return;
4180
4181     ep = new EbmlParser( &es, seekhead, &sys.demuxer );
4182
4183     while( ( l = ep->Get() ) != NULL )
4184     {
4185         if( MKV_IS_ID( l, KaxSeek ) )
4186         {
4187             EbmlId id = EbmlVoid::ClassInfos.GlobalId;
4188             int64_t i_pos = -1;
4189
4190             msg_Dbg( &sys.demuxer, "|   |   + Seek" );
4191             ep->Down();
4192             while( ( l = ep->Get() ) != NULL )
4193             {
4194                 if( MKV_IS_ID( l, KaxSeekID ) )
4195                 {
4196                     KaxSeekID &sid = *(KaxSeekID*)l;
4197                     sid.ReadData( es.I_O() );
4198                     id = EbmlId( sid.GetBuffer(), sid.GetSize() );
4199                 }
4200                 else if( MKV_IS_ID( l, KaxSeekPosition ) )
4201                 {
4202                     KaxSeekPosition &spos = *(KaxSeekPosition*)l;
4203                     spos.ReadData( es.I_O() );
4204                     i_pos = (int64_t)segment->GetGlobalPosition( uint64( spos ) );
4205                 }
4206                 else
4207                 {
4208                     /* Many mkvmerge files hit this case. It seems to be a broken SeekHead */
4209                     msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name()  );
4210                 }
4211             }
4212             ep->Up();
4213
4214             if( i_pos >= 0 )
4215             {
4216                 if( id == KaxCues::ClassInfos.GlobalId )
4217                 {
4218                     msg_Dbg( &sys.demuxer, "|   - cues at %"PRId64, i_pos );
4219                     LoadSeekHeadItem( KaxCues::ClassInfos, i_pos );
4220                 }
4221                 else if( id == KaxInfo::ClassInfos.GlobalId )
4222                 {
4223                     msg_Dbg( &sys.demuxer, "|   - info at %"PRId64, i_pos );
4224                     LoadSeekHeadItem( KaxInfo::ClassInfos, i_pos );
4225                 }
4226                 else if( id == KaxChapters::ClassInfos.GlobalId )
4227                 {
4228                     msg_Dbg( &sys.demuxer, "|   - chapters at %"PRId64, i_pos );
4229                     LoadSeekHeadItem( KaxChapters::ClassInfos, i_pos );
4230                 }
4231                 else if( id == KaxTags::ClassInfos.GlobalId )
4232                 {
4233                     msg_Dbg( &sys.demuxer, "|   - tags at %"PRId64, i_pos );
4234                     LoadSeekHeadItem( KaxTags::ClassInfos, i_pos );
4235                 }
4236                 else if( id == KaxSeekHead::ClassInfos.GlobalId )
4237                 {
4238                     msg_Dbg( &sys.demuxer, "|   - chained seekhead at %"PRId64, i_pos );
4239                     LoadSeekHeadItem( KaxSeekHead::ClassInfos, i_pos );
4240                 }
4241                 else if( id == KaxTracks::ClassInfos.GlobalId )
4242                 {
4243                     msg_Dbg( &sys.demuxer, "|   - tracks at %"PRId64, i_pos );
4244                     LoadSeekHeadItem( KaxTracks::ClassInfos, i_pos );
4245                 }
4246                 else if( id == KaxAttachments::ClassInfos.GlobalId )
4247                 {
4248                     msg_Dbg( &sys.demuxer, "|   - attachments at %"PRId64, i_pos );
4249                     LoadSeekHeadItem( KaxAttachments::ClassInfos, i_pos );
4250                 }
4251                 else
4252                     msg_Dbg( &sys.demuxer, "|   - unknown seekhead reference at %"PRId64, i_pos );
4253             }
4254         }
4255         else
4256             msg_Dbg( &sys.demuxer, "|   |   + ParseSeekHead Unknown (%s)", typeid(*l).name() );
4257     }
4258     delete ep;
4259 }
4260
4261 /*****************************************************************************
4262  * ParseTrackEntry:
4263  *****************************************************************************/
4264 void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
4265 {
4266     size_t i, j, k, n;
4267     bool bSupported = true;
4268
4269     mkv_track_t *tk;
4270
4271     msg_Dbg( &sys.demuxer, "|   |   + Track Entry" );
4272
4273     tk = new mkv_track_t();
4274
4275     /* Init the track */
4276     memset( tk, 0, sizeof( mkv_track_t ) );
4277
4278     es_format_Init( &tk->fmt, UNKNOWN_ES, 0 );
4279     tk->fmt.psz_language = strdup("English");
4280     tk->fmt.psz_description = NULL;
4281
4282     tk->b_default = true;
4283     tk->b_enabled = true;
4284     tk->b_silent = false;
4285     tk->i_number = tracks.size() - 1;
4286     tk->i_extra_data = 0;
4287     tk->p_extra_data = NULL;
4288     tk->psz_codec = NULL;
4289     tk->i_default_duration = 0;
4290     tk->f_timecodescale = 1.0;
4291
4292     tk->b_inited = false;
4293     tk->i_data_init = 0;
4294     tk->p_data_init = NULL;
4295
4296     tk->psz_codec_name = NULL;
4297     tk->psz_codec_settings = NULL;
4298     tk->psz_codec_info_url = NULL;
4299     tk->psz_codec_download_url = NULL;
4300
4301     tk->i_compression_type = MATROSKA_COMPRESSION_NONE;
4302     tk->p_compression_data = NULL;
4303
4304     for( i = 0; i < m->ListSize(); i++ )
4305     {
4306         EbmlElement *l = (*m)[i];
4307
4308         if( MKV_IS_ID( l, KaxTrackNumber ) )
4309         {
4310             KaxTrackNumber &tnum = *(KaxTrackNumber*)l;
4311
4312             tk->i_number = uint32( tnum );
4313             msg_Dbg( &sys.demuxer, "|   |   |   + Track Number=%u", uint32( tnum ) );
4314         }
4315         else  if( MKV_IS_ID( l, KaxTrackUID ) )
4316         {
4317             KaxTrackUID &tuid = *(KaxTrackUID*)l;
4318
4319             msg_Dbg( &sys.demuxer, "|   |   |   + Track UID=%u",  uint32( tuid ) );
4320         }
4321         else  if( MKV_IS_ID( l, KaxTrackType ) )
4322         {
4323             const char *psz_type;
4324             KaxTrackType &ttype = *(KaxTrackType*)l;
4325
4326             switch( uint8(ttype) )
4327             {
4328                 case track_audio:
4329                     psz_type = "audio";
4330                     tk->fmt.i_cat = AUDIO_ES;
4331                     break;
4332                 case track_video:
4333                     psz_type = "video";
4334                     tk->fmt.i_cat = VIDEO_ES;
4335                     break;
4336                 case track_subtitle:
4337                     psz_type = "subtitle";
4338                     tk->fmt.i_cat = SPU_ES;
4339                     break;
4340                 case track_buttons:
4341                     psz_type = "buttons";
4342                     tk->fmt.i_cat = SPU_ES;
4343                     break;
4344                 default:
4345                     psz_type = "unknown";
4346                     tk->fmt.i_cat = UNKNOWN_ES;
4347                     break;
4348             }
4349
4350             msg_Dbg( &sys.demuxer, "|   |   |   + Track Type=%s", psz_type );
4351         }
4352 //        else  if( EbmlId( *l ) == KaxTrackFlagEnabled::ClassInfos.GlobalId )
4353 //        {
4354 //            KaxTrackFlagEnabled &fenb = *(KaxTrackFlagEnabled*)l;
4355
4356 //            tk->b_enabled = uint32( fenb );
4357 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Enabled=%u",
4358 //                     uint32( fenb )  );
4359 //        }
4360         else  if( MKV_IS_ID( l, KaxTrackFlagDefault ) )
4361         {
4362             KaxTrackFlagDefault &fdef = *(KaxTrackFlagDefault*)l;
4363
4364             tk->b_default = uint32( fdef );
4365             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default=%u", uint32( fdef )  );
4366         }
4367         else  if( MKV_IS_ID( l, KaxTrackFlagLacing ) )
4368         {
4369             KaxTrackFlagLacing &lac = *(KaxTrackFlagLacing*)l;
4370
4371             msg_Dbg( &sys.demuxer, "|   |   |   + Track Lacing=%d", uint32( lac ) );
4372         }
4373         else  if( MKV_IS_ID( l, KaxTrackMinCache ) )
4374         {
4375             KaxTrackMinCache &cmin = *(KaxTrackMinCache*)l;
4376
4377             msg_Dbg( &sys.demuxer, "|   |   |   + Track MinCache=%d", uint32( cmin ) );
4378         }
4379         else  if( MKV_IS_ID( l, KaxTrackMaxCache ) )
4380         {
4381             KaxTrackMaxCache &cmax = *(KaxTrackMaxCache*)l;
4382
4383             msg_Dbg( &sys.demuxer, "|   |   |   + Track MaxCache=%d", uint32( cmax ) );
4384         }
4385         else  if( MKV_IS_ID( l, KaxTrackDefaultDuration ) )
4386         {
4387             KaxTrackDefaultDuration &defd = *(KaxTrackDefaultDuration*)l;
4388
4389             tk->i_default_duration = uint64(defd);
4390             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default Duration=%"PRId64, uint64(defd) );
4391         }
4392         else  if( MKV_IS_ID( l, KaxTrackTimecodeScale ) )
4393         {
4394             KaxTrackTimecodeScale &ttcs = *(KaxTrackTimecodeScale*)l;
4395
4396             tk->f_timecodescale = float( ttcs );
4397             msg_Dbg( &sys.demuxer, "|   |   |   + Track TimeCodeScale=%f", tk->f_timecodescale );
4398         }
4399         else if( MKV_IS_ID( l, KaxTrackName ) )
4400         {
4401             KaxTrackName &tname = *(KaxTrackName*)l;
4402
4403             tk->fmt.psz_description = ToUTF8( UTFstring( tname ) );
4404             msg_Dbg( &sys.demuxer, "|   |   |   + Track Name=%s", tk->fmt.psz_description );
4405         }
4406         else  if( MKV_IS_ID( l, KaxTrackLanguage ) )
4407         {
4408             KaxTrackLanguage &lang = *(KaxTrackLanguage*)l;
4409
4410             if ( tk->fmt.psz_language != NULL )
4411                 free( tk->fmt.psz_language );
4412             tk->fmt.psz_language = strdup( string( lang ).c_str() );
4413             msg_Dbg( &sys.demuxer,
4414                      "|   |   |   + Track Language=`%s'", tk->fmt.psz_language );
4415         }
4416         else  if( MKV_IS_ID( l, KaxCodecID ) )
4417         {
4418             KaxCodecID &codecid = *(KaxCodecID*)l;
4419
4420             tk->psz_codec = strdup( string( codecid ).c_str() );
4421             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecId=%s", string( codecid ).c_str() );
4422         }
4423         else  if( MKV_IS_ID( l, KaxCodecPrivate ) )
4424         {
4425             KaxCodecPrivate &cpriv = *(KaxCodecPrivate*)l;
4426
4427             tk->i_extra_data = cpriv.GetSize();
4428             if( tk->i_extra_data > 0 )
4429             {
4430                 tk->p_extra_data = (uint8_t*)malloc( tk->i_extra_data );
4431                 memcpy( tk->p_extra_data, cpriv.GetBuffer(), tk->i_extra_data );
4432             }
4433             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecPrivate size=%"PRId64, cpriv.GetSize() );
4434         }
4435         else if( MKV_IS_ID( l, KaxCodecName ) )
4436         {
4437             KaxCodecName &cname = *(KaxCodecName*)l;
4438
4439             tk->psz_codec_name = ToUTF8( UTFstring( cname ) );
4440             msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Name=%s", tk->psz_codec_name );
4441         }
4442         else if( MKV_IS_ID( l, KaxContentEncodings ) )
4443         {
4444             EbmlMaster *cencs = static_cast<EbmlMaster*>(l);
4445             MkvTree( sys.demuxer, 3, "Content Encodings" );
4446             if ( cencs->ListSize() > 1 )
4447             {
4448                 msg_Err( &sys.demuxer, "Multiple Compression method not supported" );
4449                 bSupported = false;
4450             }
4451             for( j = 0; j < cencs->ListSize(); j++ )
4452             {
4453                 EbmlElement *l2 = (*cencs)[j];
4454                 if( MKV_IS_ID( l2, KaxContentEncoding ) )
4455                 {
4456                     MkvTree( sys.demuxer, 4, "Content Encoding" );
4457                     EbmlMaster *cenc = static_cast<EbmlMaster*>(l2);
4458                     for( k = 0; k < cenc->ListSize(); k++ )
4459                     {
4460                         EbmlElement *l3 = (*cenc)[k];
4461                         if( MKV_IS_ID( l3, KaxContentEncodingOrder ) )
4462                         {
4463                             KaxContentEncodingOrder &encord = *(KaxContentEncodingOrder*)l3;
4464                             MkvTree( sys.demuxer, 5, "Order: %i", uint32( encord ) );
4465                         }
4466                         else if( MKV_IS_ID( l3, KaxContentEncodingScope ) )
4467                         {
4468                             KaxContentEncodingScope &encscope = *(KaxContentEncodingScope*)l3;
4469                             MkvTree( sys.demuxer, 5, "Scope: %i", uint32( encscope ) );
4470                         }
4471                         else if( MKV_IS_ID( l3, KaxContentEncodingType ) )
4472                         {
4473                             KaxContentEncodingType &enctype = *(KaxContentEncodingType*)l3;
4474                             MkvTree( sys.demuxer, 5, "Type: %i", uint32( enctype ) );
4475                         }
4476                         else if( MKV_IS_ID( l3, KaxContentCompression ) )
4477                         {
4478                             EbmlMaster *compr = static_cast<EbmlMaster*>(l3);
4479                             MkvTree( sys.demuxer, 5, "Content Compression" );
4480                             for( n = 0; n < compr->ListSize(); n++ )
4481                             {
4482                                 EbmlElement *l4 = (*compr)[n];
4483                                 if( MKV_IS_ID( l4, KaxContentCompAlgo ) )
4484                                 {
4485                                     KaxContentCompAlgo &compalg = *(KaxContentCompAlgo*)l4;
4486                                     MkvTree( sys.demuxer, 6, "Compression Algorithm: %i", uint32(compalg) );
4487                                     tk->i_compression_type = uint32( compalg );
4488                                     if ( ( tk->i_compression_type != MATROSKA_COMPRESSION_ZLIB ) &&
4489                                          ( tk->i_compression_type != MATROSKA_COMPRESSION_HEADER ) )
4490                                     {
4491                                         msg_Err( &sys.demuxer, "Track Compression method %d not supported", tk->i_compression_type );
4492                                         bSupported = false;
4493                                     }
4494                                 }
4495                                 else if( MKV_IS_ID( l4, KaxContentCompSettings ) )
4496                                 {
4497                                     tk->p_compression_data = new KaxContentCompSettings( *(KaxContentCompSettings*)l4 );
4498                                 }
4499                                 else
4500                                 {
4501                                     MkvTree( sys.demuxer, 6, "Unknown (%s)", typeid(*l4).name() );
4502                                 }
4503                             }
4504                         }
4505                         else
4506                         {
4507                             MkvTree( sys.demuxer, 5, "Unknown (%s)", typeid(*l3).name() );
4508                         }
4509                     }
4510                 }
4511                 else
4512                 {
4513                     MkvTree( sys.demuxer, 4, "Unknown (%s)", typeid(*l2).name() );
4514                 }
4515             }
4516         }
4517 //        else if( EbmlId( *l ) == KaxCodecSettings::ClassInfos.GlobalId )
4518 //        {
4519 //            KaxCodecSettings &cset = *(KaxCodecSettings*)l;
4520
4521 //            tk->psz_codec_settings = ToUTF8( UTFstring( cset ) );
4522 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Settings=%s", tk->psz_codec_settings );
4523 //        }
4524 //        else if( EbmlId( *l ) == KaxCodecInfoURL::ClassInfos.GlobalId )
4525 //        {
4526 //            KaxCodecInfoURL &ciurl = *(KaxCodecInfoURL*)l;
4527
4528 //            tk->psz_codec_info_url = strdup( string( ciurl ).c_str() );
4529 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_info_url );
4530 //        }
4531 //        else if( EbmlId( *l ) == KaxCodecDownloadURL::ClassInfos.GlobalId )
4532 //        {
4533 //            KaxCodecDownloadURL &cdurl = *(KaxCodecDownloadURL*)l;
4534
4535 //            tk->psz_codec_download_url = strdup( string( cdurl ).c_str() );
4536 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_download_url );
4537 //        }
4538 //        else if( EbmlId( *l ) == KaxCodecDecodeAll::ClassInfos.GlobalId )
4539 //        {
4540 //            KaxCodecDecodeAll &cdall = *(KaxCodecDecodeAll*)l;
4541
4542 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Decode All=%u <== UNUSED", uint8( cdall ) );
4543 //        }
4544 //        else if( EbmlId( *l ) == KaxTrackOverlay::ClassInfos.GlobalId )
4545 //        {
4546 //            KaxTrackOverlay &tovr = *(KaxTrackOverlay*)l;
4547
4548 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Overlay=%u <== UNUSED", uint32( tovr ) );
4549 //        }
4550         else  if( MKV_IS_ID( l, KaxTrackVideo ) )
4551         {
4552             EbmlMaster *tkv = static_cast<EbmlMaster*>(l);
4553             unsigned int j;
4554             unsigned int i_crop_right = 0, i_crop_left = 0, i_crop_top = 0, i_crop_bottom = 0;
4555             unsigned int i_display_unit = 0, i_display_width = 0, i_display_height = 0;
4556
4557             msg_Dbg( &sys.demuxer, "|   |   |   + Track Video" );
4558             tk->f_fps = 0.0;
4559
4560             tk->fmt.video.i_frame_rate_base = (unsigned int)(tk->i_default_duration / 1000);
4561             tk->fmt.video.i_frame_rate = 1000000;
4562
4563             for( j = 0; j < tkv->ListSize(); j++ )
4564             {
4565                 EbmlElement *l = (*tkv)[j];
4566 //                if( EbmlId( *el4 ) == KaxVideoFlagInterlaced::ClassInfos.GlobalId )
4567 //                {
4568 //                    KaxVideoFlagInterlaced &fint = *(KaxVideoFlagInterlaced*)el4;
4569
4570 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Interlaced=%u", uint8( fint ) );
4571 //                }
4572 //                else if( EbmlId( *el4 ) == KaxVideoStereoMode::ClassInfos.GlobalId )
4573 //                {
4574 //                    KaxVideoStereoMode &stereo = *(KaxVideoStereoMode*)el4;
4575
4576 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Stereo Mode=%u", uint8( stereo ) );
4577 //                }
4578 //                else
4579                 if( MKV_IS_ID( l, KaxVideoPixelWidth ) )
4580                 {
4581                     KaxVideoPixelWidth &vwidth = *(KaxVideoPixelWidth*)l;
4582
4583                     tk->fmt.video.i_width += uint16( vwidth );
4584                     msg_Dbg( &sys.demuxer, "|   |   |   |   + width=%d", uint16( vwidth ) );
4585                 }
4586                 else if( MKV_IS_ID( l, KaxVideoPixelHeight ) )
4587                 {
4588                     KaxVideoPixelWidth &vheight = *(KaxVideoPixelWidth*)l;
4589
4590                     tk->fmt.video.i_height += uint16( vheight );
4591                     msg_Dbg( &sys.demuxer, "|   |   |   |   + height=%d", uint16( vheight ) );
4592                 }
4593                 else if( MKV_IS_ID( l, KaxVideoDisplayWidth ) )
4594                 {
4595                     KaxVideoDisplayWidth &vwidth = *(KaxVideoDisplayWidth*)l;
4596
4597                     i_display_width = uint16( vwidth );
4598                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display width=%d", uint16( vwidth ) );
4599                 }
4600                 else if( MKV_IS_ID( l, KaxVideoDisplayHeight ) )
4601                 {
4602                     KaxVideoDisplayWidth &vheight = *(KaxVideoDisplayWidth*)l;
4603
4604                     i_display_height = uint16( vheight );
4605                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display height=%d", uint16( vheight ) );
4606                 }
4607                 else if( MKV_IS_ID( l, KaxVideoPixelCropBottom ) )
4608                 {
4609                     KaxVideoPixelCropBottom &cropval = *(KaxVideoPixelCropBottom*)l;
4610
4611                     i_crop_bottom = uint16( cropval );
4612                     msg_Dbg( &sys.demuxer, "|   |   |   |   + crop pixel bottom=%d", uint16( cropval ) );
4613                 }
4614                 else if( MKV_IS_ID( l, KaxVideoPixelCropTop ) )
4615                 {
4616                     KaxVideoPixelCropTop &cropval = *(KaxVideoPixelCropTop*)l;
4617
4618                     i_crop_top = uint16( cropval );
4619                     msg_Dbg( &sys.demuxer, "|   |   |   |   + crop pixel top=%d", uint16( cropval ) );
4620                 }
4621                 else if( MKV_IS_ID( l, KaxVideoPixelCropRight ) )
4622                 {
4623                     KaxVideoPixelCropRight &cropval = *(KaxVideoPixelCropRight*)l;
4624
4625                     i_crop_right = uint16( cropval );
4626                     msg_Dbg( &sys.demuxer, "|   |   |   |   + crop pixel right=%d", uint16( cropval ) );
4627                 }
4628                 else if( MKV_IS_ID( l, KaxVideoPixelCropLeft ) )
4629                 {
4630                     KaxVideoPixelCropLeft &cropval = *(KaxVideoPixelCropLeft*)l;
4631
4632                     i_crop_left = uint16( cropval );
4633                     msg_Dbg( &sys.demuxer, "|   |   |   |   + crop pixel left=%d", uint16( cropval ) );
4634                 }
4635                 else if( MKV_IS_ID( l, KaxVideoFrameRate ) )
4636                 {
4637                     KaxVideoFrameRate &vfps = *(KaxVideoFrameRate*)l;
4638
4639                     tk->f_fps = float( vfps );
4640                     msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( vfps ) );
4641                 }
4642                 else if( EbmlId( *l ) == KaxVideoDisplayUnit::ClassInfos.GlobalId )
4643                 {
4644                     KaxVideoDisplayUnit &vdmode = *(KaxVideoDisplayUnit*)l;
4645
4646                     i_display_unit = uint8( vdmode );
4647                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Display Unit=%s",
4648                              uint8( vdmode ) == 0 ? "pixels" : ( uint8( vdmode ) == 1 ? "centimeters": "inches" ) );
4649                 }
4650 //                else if( EbmlId( *l ) == KaxVideoAspectRatio::ClassInfos.GlobalId )
4651 //                {
4652 //                    KaxVideoAspectRatio &ratio = *(KaxVideoAspectRatio*)l;
4653
4654 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + Track Video Aspect Ratio Type=%u", uint8( ratio ) );
4655 //                }
4656 //                else if( EbmlId( *l ) == KaxVideoGamma::ClassInfos.GlobalId )
4657 //                {
4658 //                    KaxVideoGamma &gamma = *(KaxVideoGamma*)l;
4659
4660 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + gamma=%f", float( gamma ) );
4661 //                }
4662                 else
4663                 {
4664                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4665                 }
4666             }
4667             if( i_display_height && i_display_width )
4668                 tk->fmt.video.i_aspect = VOUT_ASPECT_FACTOR * i_display_width / i_display_height;
4669             if( i_crop_left || i_crop_right || i_crop_top || i_crop_bottom )
4670             {
4671                 tk->fmt.video.i_visible_width = tk->fmt.video.i_width;
4672                 tk->fmt.video.i_visible_height = tk->fmt.video.i_height;
4673                 tk->fmt.video.i_x_offset = i_crop_left;
4674                 tk->fmt.video.i_y_offset = i_crop_top;
4675                 tk->fmt.video.i_visible_width -= i_crop_left + i_crop_right;
4676                 tk->fmt.video.i_visible_height -= i_crop_top + i_crop_bottom;
4677             }
4678             /* FIXME: i_display_* allows you to not only set DAR, but also a zoom factor.
4679                we do not support this atm */
4680         }
4681         else  if( MKV_IS_ID( l, KaxTrackAudio ) )
4682         {
4683             EbmlMaster *tka = static_cast<EbmlMaster*>(l);
4684             unsigned int j;
4685
4686             msg_Dbg( &sys.demuxer, "|   |   |   + Track Audio" );
4687
4688             for( j = 0; j < tka->ListSize(); j++ )
4689             {
4690                 EbmlElement *l = (*tka)[j];
4691
4692                 if( MKV_IS_ID( l, KaxAudioSamplingFreq ) )
4693                 {
4694                     KaxAudioSamplingFreq &afreq = *(KaxAudioSamplingFreq*)l;
4695
4696                     tk->i_original_rate = tk->fmt.audio.i_rate = (int)float( afreq );
4697                     msg_Dbg( &sys.demuxer, "|   |   |   |   + afreq=%d", tk->fmt.audio.i_rate );
4698                 }
4699                 else if( MKV_IS_ID( l, KaxAudioOutputSamplingFreq ) )
4700                 {
4701                     KaxAudioOutputSamplingFreq &afreq = *(KaxAudioOutputSamplingFreq*)l;
4702
4703                     tk->fmt.audio.i_rate = (int)float( afreq );
4704                     msg_Dbg( &sys.demuxer, "|   |   |   |   + aoutfreq=%d", tk->fmt.audio.i_rate );
4705                 }
4706                 else if( MKV_IS_ID( l, KaxAudioChannels ) )
4707                 {
4708                     KaxAudioChannels &achan = *(KaxAudioChannels*)l;
4709
4710                     tk->fmt.audio.i_channels = uint8( achan );
4711                     msg_Dbg( &sys.demuxer, "|   |   |   |   + achan=%u", uint8( achan ) );
4712                 }
4713                 else if( MKV_IS_ID( l, KaxAudioBitDepth ) )
4714                 {
4715                     KaxAudioBitDepth &abits = *(KaxAudioBitDepth*)l;
4716
4717                     tk->fmt.audio.i_bitspersample = uint8( abits );
4718                     msg_Dbg( &sys.demuxer, "|   |   |   |   + abits=%u", uint8( abits ) );
4719                 }
4720                 else
4721                 {
4722                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4723                 }
4724             }
4725         }
4726         else
4727         {
4728             msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)",
4729                      typeid(*l).name() );
4730         }
4731     }
4732
4733     if ( bSupported )
4734     {
4735         tracks.push_back( tk );
4736     }
4737     else
4738     {
4739         msg_Err( &sys.demuxer, "Track Entry %d not supported", tk->i_number );
4740         delete tk;
4741     }
4742 }
4743
4744 /*****************************************************************************
4745  * ParseTracks:
4746  *****************************************************************************/
4747 void matroska_segment_c::ParseTracks( KaxTracks *tracks )
4748 {
4749     EbmlElement *el;
4750     unsigned int i;
4751     int i_upper_level = 0;
4752
4753     /* Master elements */
4754     tracks->Read( es, tracks->Generic().Context, i_upper_level, el, true );
4755
4756     for( i = 0; i < tracks->ListSize(); i++ )
4757     {
4758         EbmlElement *l = (*tracks)[i];
4759
4760         if( MKV_IS_ID( l, KaxTrackEntry ) )
4761         {
4762             ParseTrackEntry( static_cast<KaxTrackEntry *>(l) );
4763         }
4764         else
4765         {
4766             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4767         }
4768     }
4769 }
4770
4771 /*****************************************************************************
4772  * ParseInfo:
4773  *****************************************************************************/
4774 void matroska_segment_c::ParseInfo( KaxInfo *info )
4775 {
4776     EbmlElement *el;
4777     EbmlMaster  *m;
4778     size_t i, j;
4779     int i_upper_level = 0;
4780
4781     /* Master elements */
4782     m = static_cast<EbmlMaster *>(info);
4783     m->Read( es, info->Generic().Context, i_upper_level, el, true );
4784
4785     for( i = 0; i < m->ListSize(); i++ )
4786     {
4787         EbmlElement *l = (*m)[i];
4788
4789         if( MKV_IS_ID( l, KaxSegmentUID ) )
4790         {
4791             if ( p_segment_uid == NULL )
4792                 p_segment_uid = new KaxSegmentUID(*static_cast<KaxSegmentUID*>(l));
4793
4794             msg_Dbg( &sys.demuxer, "|   |   + UID=%d", *(uint32*)p_segment_uid->GetBuffer() );
4795         }
4796         else if( MKV_IS_ID( l, KaxPrevUID ) )
4797         {
4798             if ( p_prev_segment_uid == NULL )
4799                 p_prev_segment_uid = new KaxPrevUID(*static_cast<KaxPrevUID*>(l));
4800
4801             msg_Dbg( &sys.demuxer, "|   |   + PrevUID=%d", *(uint32*)p_prev_segment_uid->GetBuffer() );
4802         }
4803         else if( MKV_IS_ID( l, KaxNextUID ) )
4804         {
4805             if ( p_next_segment_uid == NULL )
4806                 p_next_segment_uid = new KaxNextUID(*static_cast<KaxNextUID*>(l));
4807
4808             msg_Dbg( &sys.demuxer, "|   |   + NextUID=%d", *(uint32*)p_next_segment_uid->GetBuffer() );
4809         }
4810         else if( MKV_IS_ID( l, KaxTimecodeScale ) )
4811         {
4812             KaxTimecodeScale &tcs = *(KaxTimecodeScale*)l;
4813
4814             i_timescale = uint64(tcs);
4815
4816             msg_Dbg( &sys.demuxer, "|   |   + TimecodeScale=%"PRId64,
4817                      i_timescale );
4818         }
4819         else if( MKV_IS_ID( l, KaxDuration ) )
4820         {
4821             KaxDuration &dur = *(KaxDuration*)l;
4822
4823             i_duration = mtime_t( double( dur ) );
4824
4825             msg_Dbg( &sys.demuxer, "|   |   + Duration=%"PRId64,
4826                      i_duration );
4827         }
4828         else if( MKV_IS_ID( l, KaxMuxingApp ) )
4829         {
4830             KaxMuxingApp &mapp = *(KaxMuxingApp*)l;
4831
4832             psz_muxing_application = ToUTF8( UTFstring( mapp ) );
4833
4834             msg_Dbg( &sys.demuxer, "|   |   + Muxing Application=%s",
4835                      psz_muxing_application );
4836         }
4837         else if( MKV_IS_ID( l, KaxWritingApp ) )
4838         {
4839             KaxWritingApp &wapp = *(KaxWritingApp*)l;
4840
4841             psz_writing_application = ToUTF8( UTFstring( wapp ) );
4842
4843             msg_Dbg( &sys.demuxer, "|   |   + Writing Application=%s",
4844                      psz_writing_application );
4845         }
4846         else if( MKV_IS_ID( l, KaxSegmentFilename ) )
4847         {
4848             KaxSegmentFilename &sfn = *(KaxSegmentFilename*)l;
4849
4850             psz_segment_filename = ToUTF8( UTFstring( sfn ) );
4851
4852             msg_Dbg( &sys.demuxer, "|   |   + Segment Filename=%s",
4853                      psz_segment_filename );
4854         }
4855         else if( MKV_IS_ID( l, KaxTitle ) )
4856         {
4857             KaxTitle &title = *(KaxTitle*)l;
4858
4859             psz_title = ToUTF8( UTFstring( title ) );
4860
4861             msg_Dbg( &sys.demuxer, "|   |   + Title=%s", psz_title );
4862         }
4863         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
4864         {
4865             KaxSegmentFamily *uid = static_cast<KaxSegmentFamily*>(l);
4866
4867             families.push_back( new KaxSegmentFamily(*uid) );
4868
4869             msg_Dbg( &sys.demuxer, "|   |   + family=%d", *(uint32*)uid->GetBuffer() );
4870         }
4871 #if defined( HAVE_GMTIME_R )
4872         else if( MKV_IS_ID( l, KaxDateUTC ) )
4873         {
4874             KaxDateUTC &date = *(KaxDateUTC*)l;
4875             time_t i_date;
4876             struct tm tmres;
4877             char   buffer[256];
4878
4879             i_date = date.GetEpochDate();
4880             memset( buffer, 0, 256 );
4881             if( gmtime_r( &i_date, &tmres ) &&
4882                 asctime_r( &tmres, buffer ) )
4883             {
4884                 buffer[strlen( buffer)-1]= '\0';
4885                 psz_date_utc = strdup( buffer );
4886                 msg_Dbg( &sys.demuxer, "|   |   + Date=%s", psz_date_utc );
4887             }
4888         }
4889 #endif
4890 #if LIBMATROSKA_VERSION >= 0x000704
4891         else if( MKV_IS_ID( l, KaxChapterTranslate ) )
4892         {
4893             KaxChapterTranslate *p_trans = static_cast<KaxChapterTranslate*>( l );
4894             chapter_translation_c *p_translate = new chapter_translation_c();
4895
4896             p_trans->Read( es, p_trans->Generic().Context, i_upper_level, el, true );
4897             for( j = 0; j < p_trans->ListSize(); j++ )
4898             {
4899                 EbmlElement *l = (*p_trans)[j];
4900
4901                 if( MKV_IS_ID( l, KaxChapterTranslateEditionUID ) )
4902                 {
4903                     p_translate->editions.push_back( uint64( *static_cast<KaxChapterTranslateEditionUID*>( l ) ) );
4904                 }
4905                 else if( MKV_IS_ID( l, KaxChapterTranslateCodec ) )
4906                 {
4907                     p_translate->codec_id = uint32( *static_cast<KaxChapterTranslateCodec*>( l ) );
4908                 }
4909                 else if( MKV_IS_ID( l, KaxChapterTranslateID ) )
4910                 {
4911                     p_translate->p_translated = new KaxChapterTranslateID( *static_cast<KaxChapterTranslateID*>( l ) );
4912                 }
4913             }
4914
4915             translations.push_back( p_translate );
4916         }
4917 #endif
4918         else
4919         {
4920             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4921         }
4922     }
4923
4924     double f_dur = double(i_duration) * double(i_timescale) / 1000000.0;
4925     i_duration = mtime_t(f_dur);
4926 }
4927
4928
4929 /*****************************************************************************
4930  * ParseChapterAtom
4931  *****************************************************************************/
4932 void matroska_segment_c::ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters )
4933 {
4934     size_t i, j;
4935
4936     msg_Dbg( &sys.demuxer, "|   |   |   + ChapterAtom (level=%d)", i_level );
4937     for( i = 0; i < ca->ListSize(); i++ )
4938     {
4939         EbmlElement *l = (*ca)[i];
4940
4941         if( MKV_IS_ID( l, KaxChapterUID ) )
4942         {
4943             chapters.i_uid = uint64_t(*(KaxChapterUID*)l);
4944             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterUID: %lld", chapters.i_uid );
4945         }
4946         else if( MKV_IS_ID( l, KaxChapterFlagHidden ) )
4947         {
4948             KaxChapterFlagHidden &flag =*(KaxChapterFlagHidden*)l;
4949             chapters.b_display_seekpoint = uint8( flag ) == 0;
4950
4951             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterFlagHidden: %s", chapters.b_display_seekpoint ? "no":"yes" );
4952         }
4953         else if( MKV_IS_ID( l, KaxChapterTimeStart ) )
4954         {
4955             KaxChapterTimeStart &start =*(KaxChapterTimeStart*)l;
4956             chapters.i_start_time = uint64( start ) / INT64_C(1000);
4957
4958             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeStart: %lld", chapters.i_start_time );
4959         }
4960         else if( MKV_IS_ID( l, KaxChapterTimeEnd ) )
4961         {
4962             KaxChapterTimeEnd &end =*(KaxChapterTimeEnd*)l;
4963             chapters.i_end_time = uint64( end ) / INT64_C(1000);
4964
4965             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeEnd: %lld", chapters.i_end_time );
4966         }
4967         else if( MKV_IS_ID( l, KaxChapterDisplay ) )
4968         {
4969             EbmlMaster *cd = static_cast<EbmlMaster *>(l);
4970
4971             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterDisplay" );
4972             for( j = 0; j < cd->ListSize(); j++ )
4973             {
4974                 EbmlElement *l= (*cd)[j];
4975
4976                 if( MKV_IS_ID( l, KaxChapterString ) )
4977                 {
4978                     int k;
4979
4980                     KaxChapterString &name =*(KaxChapterString*)l;
4981                     for (k = 0; k < i_level; k++)
4982                         chapters.psz_name += '+';
4983                     chapters.psz_name += ' ';
4984                     char *psz_tmp_utf8 = ToUTF8( UTFstring( name ) );
4985                     chapters.psz_name += psz_tmp_utf8;
4986                     chapters.b_user_display = true;
4987
4988                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterString '%s'", psz_tmp_utf8 );
4989                     free( psz_tmp_utf8 );
4990                 }
4991                 else if( MKV_IS_ID( l, KaxChapterLanguage ) )
4992                 {
4993                     KaxChapterLanguage &lang =*(KaxChapterLanguage*)l;
4994                     const char *psz = string( lang ).c_str();
4995
4996                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterLanguage '%s'", psz );
4997                 }
4998                 else if( MKV_IS_ID( l, KaxChapterCountry ) )
4999                 {
5000                     KaxChapterCountry &ct =*(KaxChapterCountry*)l;
5001                     const char *psz = string( ct ).c_str();
5002
5003                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterCountry '%s'", psz );
5004                 }
5005             }
5006         }
5007         else if( MKV_IS_ID( l, KaxChapterProcess ) )
5008         {
5009             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterProcess" );
5010
5011             KaxChapterProcess *cp = static_cast<KaxChapterProcess *>(l);
5012             chapter_codec_cmds_c *p_ccodec = NULL;
5013
5014             for( j = 0; j < cp->ListSize(); j++ )
5015             {
5016                 EbmlElement *k= (*cp)[j];
5017
5018                 if( MKV_IS_ID( k, KaxChapterProcessCodecID ) )
5019                 {
5020                     KaxChapterProcessCodecID *p_codec_id = static_cast<KaxChapterProcessCodecID*>( k );
5021                     if ( uint32(*p_codec_id) == 0 )
5022                         p_ccodec = new matroska_script_codec_c( sys );
5023                     else if ( uint32(*p_codec_id) == 1 )
5024                         p_ccodec = new dvd_chapter_codec_c( sys );
5025                     break;
5026                 }
5027             }
5028
5029             if ( p_ccodec != NULL )
5030             {
5031                 for( j = 0; j < cp->ListSize(); j++ )
5032                 {
5033                     EbmlElement *k= (*cp)[j];
5034
5035                     if( MKV_IS_ID( k, KaxChapterProcessPrivate ) )
5036                     {
5037                         KaxChapterProcessPrivate * p_private = static_cast<KaxChapterProcessPrivate*>( k );
5038                         p_ccodec->SetPrivate( *p_private );
5039                     }
5040                     else if( MKV_IS_ID( k, KaxChapterProcessCommand ) )
5041                     {
5042                         p_ccodec->AddCommand( *static_cast<KaxChapterProcessCommand*>( k ) );
5043                     }
5044                 }
5045                 chapters.codecs.push_back( p_ccodec );
5046             }
5047         }
5048         else if( MKV_IS_ID( l, KaxChapterAtom ) )
5049         {
5050             chapter_item_c *new_sub_chapter = new chapter_item_c();
5051             ParseChapterAtom( i_level+1, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
5052             new_sub_chapter->psz_parent = &chapters;
5053             chapters.sub_chapters.push_back( new_sub_chapter );
5054         }
5055     }
5056 }
5057
5058 /*****************************************************************************
5059  * ParseAttachments:
5060  *****************************************************************************/
5061 void matroska_segment_c::ParseAttachments( KaxAttachments *attachments )
5062 {
5063     EbmlElement *el;
5064     int i_upper_level = 0;
5065
5066     attachments->Read( es, attachments->Generic().Context, i_upper_level, el, true );
5067
5068     KaxAttached *attachedFile = FindChild<KaxAttached>( *attachments );
5069
5070     while( attachedFile && ( attachedFile->GetSize() > 0 ) )
5071     {
5072         std::string psz_mime_type  = GetChild<KaxMimeType>( *attachedFile );
5073         KaxFileName  &file_name    = GetChild<KaxFileName>( *attachedFile );
5074         KaxFileData  &img_data     = GetChild<KaxFileData>( *attachedFile );
5075
5076         attachment_c *new_attachment = new attachment_c();
5077
5078         if( new_attachment )
5079         {
5080             char* tmp = ToUTF8( UTFstring( file_name ) );
5081             new_attachment->psz_file_name  = tmp;
5082             free( tmp );
5083             new_attachment->psz_mime_type  = psz_mime_type;
5084             new_attachment->i_size         = img_data.GetSize();
5085             new_attachment->p_data         = malloc( img_data.GetSize() );
5086
5087             if( new_attachment->p_data )
5088             {
5089                 memcpy( new_attachment->p_data, img_data.GetBuffer(), img_data.GetSize() );
5090                 sys.stored_attachments.push_back( new_attachment );
5091             }
5092             else
5093             {
5094                 delete new_attachment;
5095             }
5096         }
5097
5098         attachedFile = &GetNextChild<KaxAttached>( *attachments, *attachedFile );
5099     }
5100 }
5101
5102 /*****************************************************************************
5103  * ParseChapters:
5104  *****************************************************************************/
5105 void matroska_segment_c::ParseChapters( KaxChapters *chapters )
5106 {
5107     EbmlElement *el;
5108     size_t i;
5109     int i_upper_level = 0;
5110     mtime_t i_dur;
5111
5112     /* Master elements */
5113     chapters->Read( es, chapters->Generic().Context, i_upper_level, el, true );
5114
5115     for( i = 0; i < chapters->ListSize(); i++ )
5116     {
5117         EbmlElement *l = (*chapters)[i];
5118
5119         if( MKV_IS_ID( l, KaxEditionEntry ) )
5120         {
5121             chapter_edition_c *p_edition = new chapter_edition_c();
5122
5123             EbmlMaster *E = static_cast<EbmlMaster *>(l );
5124             size_t j;
5125             msg_Dbg( &sys.demuxer, "|   |   + EditionEntry" );
5126             for( j = 0; j < E->ListSize(); j++ )
5127             {
5128                 EbmlElement *l = (*E)[j];
5129
5130                 if( MKV_IS_ID( l, KaxChapterAtom ) )
5131                 {
5132                     chapter_item_c *new_sub_chapter = new chapter_item_c();
5133                     ParseChapterAtom( 0, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
5134                     p_edition->sub_chapters.push_back( new_sub_chapter );
5135                 }
5136                 else if( MKV_IS_ID( l, KaxEditionUID ) )
5137                 {
5138                     p_edition->i_uid = uint64(*static_cast<KaxEditionUID *>( l ));
5139                 }
5140                 else if( MKV_IS_ID( l, KaxEditionFlagOrdered ) )
5141                 {
5142                     p_edition->b_ordered = config_GetInt( &sys.demuxer, "mkv-use-ordered-chapters" ) ? (uint8(*static_cast<KaxEditionFlagOrdered *>( l )) != 0) : 0;
5143                 }
5144                 else if( MKV_IS_ID( l, KaxEditionFlagDefault ) )
5145                 {
5146                     if (uint8(*static_cast<KaxEditionFlagDefault *>( l )) != 0)
5147                         i_default_edition = stored_editions.size();
5148                 }
5149                 else
5150                 {
5151                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
5152                 }
5153             }
5154             stored_editions.push_back( p_edition );
5155         }
5156         else
5157         {
5158             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
5159         }
5160     }
5161
5162     for( i = 0; i < stored_editions.size(); i++ )
5163     {
5164         stored_editions[i]->RefreshChapters( );
5165     }
5166
5167     if ( stored_editions.size() != 0 && stored_editions[i_default_edition]->b_ordered )
5168     {
5169         /* update the duration of the segment according to the sum of all sub chapters */
5170         i_dur = stored_editions[i_default_edition]->Duration() / INT64_C(1000);
5171         if (i_dur > 0)
5172             i_duration = i_dur;
5173     }
5174 }
5175
5176 void matroska_segment_c::ParseCluster( )
5177 {
5178     EbmlElement *el;
5179     EbmlMaster  *m;
5180     unsigned int i;
5181     int i_upper_level = 0;
5182
5183     /* Master elements */
5184     m = static_cast<EbmlMaster *>( cluster );
5185     m->Read( es, cluster->Generic().Context, i_upper_level, el, true );
5186
5187     for( i = 0; i < m->ListSize(); i++ )
5188     {
5189         EbmlElement *l = (*m)[i];
5190
5191         if( MKV_IS_ID( l, KaxClusterTimecode ) )
5192         {
5193             KaxClusterTimecode &ctc = *(KaxClusterTimecode*)l;
5194
5195             cluster->InitTimecode( uint64( ctc ), i_timescale );
5196             break;
5197         }
5198     }
5199
5200     i_start_time = cluster->GlobalTimecode() / 1000;
5201 }
5202
5203 /*****************************************************************************
5204  * InformationCreate:
5205  *****************************************************************************/
5206 void matroska_segment_c::InformationCreate( )
5207 {
5208     sys.meta = vlc_meta_New();
5209
5210     if( psz_title )
5211     {
5212         vlc_meta_SetTitle( sys.meta, psz_title );
5213     }
5214     if( psz_date_utc )
5215     {
5216         vlc_meta_SetDate( sys.meta, psz_date_utc );
5217     }
5218 #if 0
5219     if( psz_segment_filename )
5220     {
5221         fprintf( stderr, "***** WARNING: Unhandled meta - Use custom\n" );
5222     }
5223     if( psz_muxing_application )
5224     {
5225         fprintf( stderr, "***** WARNING: Unhandled meta - Use custom\n" );
5226     }
5227     if( psz_writing_application )
5228     {
5229         fprintf( stderr, "***** WARNING: Unhandled meta - Use custom\n" );
5230     }
5231
5232     for( size_t i_track = 0; i_track < tracks.size(); i_track++ )
5233     {
5234 //        mkv_track_t *tk = tracks[i_track];
5235 //        vlc_meta_t *mtk = vlc_meta_New();
5236         fprintf( stderr, "***** WARNING: Unhandled child meta\n");
5237     }
5238 #endif
5239 #if 0
5240     if( i_tags_position >= 0 )
5241     {
5242         bool b_seekable;
5243
5244         stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
5245         if( b_seekable )
5246         {
5247             LoadTags( );
5248         }
5249     }
5250 #endif
5251 }
5252
5253
5254 /*****************************************************************************
5255  * Misc
5256  *****************************************************************************/
5257
5258 void matroska_segment_c::IndexAppendCluster( KaxCluster *cluster )
5259 {
5260 #define idx p_indexes[i_index]
5261     idx.i_track       = -1;
5262     idx.i_block_number= -1;
5263     idx.i_position    = cluster->GetElementPosition();
5264     idx.i_time        = -1;
5265     idx.b_key         = true;
5266
5267     i_index++;
5268     if( i_index >= i_index_max )
5269     {
5270         i_index_max += 1024;
5271         p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
5272     }
5273 #undef idx
5274 }
5275
5276 void chapter_edition_c::RefreshChapters( )
5277 {
5278     chapter_item_c::RefreshChapters( b_ordered, -1 );
5279     b_display_seekpoint = false;
5280 }
5281
5282 int64_t chapter_item_c::RefreshChapters( bool b_ordered, int64_t i_prev_user_time )
5283 {
5284     int64_t i_user_time = i_prev_user_time;
5285
5286     // first the sub-chapters, and then ourself
5287     std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
5288     while ( index != sub_chapters.end() )
5289     {
5290         i_user_time = (*index)->RefreshChapters( b_ordered, i_user_time );
5291         index++;
5292     }
5293
5294     if ( b_ordered )
5295     {
5296         // the ordered chapters always start at zero
5297         if ( i_prev_user_time == -1 )
5298         {
5299             if ( i_user_time == -1 )
5300                 i_user_time = 0;
5301             i_prev_user_time = 0;
5302         }
5303
5304         i_user_start_time = i_prev_user_time;
5305         if ( i_end_time != -1 && i_user_time == i_prev_user_time )
5306         {
5307             i_user_end_time = i_user_start_time - i_start_time + i_end_time;
5308         }
5309         else
5310         {
5311             i_user_end_time = i_user_time;
5312         }
5313     }
5314     else
5315     {
5316         if ( sub_chapters.begin() != sub_chapters.end() )
5317             std::sort( sub_chapters.begin(), sub_chapters.end(), chapter_item_c::CompareTimecode );
5318         i_user_start_time = i_start_time;
5319         if ( i_end_time != -1 )
5320             i_user_end_time = i_end_time;
5321         else if ( i_user_time != -1 )
5322             i_user_end_time = i_user_time;
5323         else
5324             i_user_end_time = i_user_start_time;
5325     }
5326
5327     return i_user_end_time;
5328 }
5329
5330 mtime_t chapter_edition_c::Duration() const
5331 {
5332     mtime_t i_result = 0;
5333
5334     if ( sub_chapters.size() )
5335     {
5336         std::vector<chapter_item_c*>::const_iterator index = sub_chapters.end();
5337         index--;
5338         i_result = (*index)->i_user_end_time;
5339     }
5340
5341     return i_result;
5342 }
5343
5344 chapter_item_c * chapter_edition_c::FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current )
5345 {
5346     if ( !b_ordered )
5347         p_current = NULL;
5348     bool b_found_current = false;
5349     return chapter_item_c::FindTimecode( i_timecode, p_current, b_found_current );
5350 }
5351
5352 chapter_item_c *chapter_item_c::FindTimecode( mtime_t i_user_timecode, const chapter_item_c * p_current, bool & b_found )
5353 {
5354     chapter_item_c *psz_result = NULL;
5355
5356     if ( p_current == this )
5357         b_found = true;
5358
5359     if ( i_user_timecode >= i_user_start_time &&
5360         ( i_user_timecode < i_user_end_time ||
5361           ( i_user_start_time == i_user_end_time && i_user_timecode == i_user_end_time )))
5362     {
5363         std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
5364         while ( index != sub_chapters.end() && ((p_current == NULL && psz_result == NULL) || (p_current != NULL && (!b_found || psz_result == NULL))))
5365         {
5366             psz_result = (*index)->FindTimecode( i_user_timecode, p_current, b_found );
5367             index++;
5368         }
5369
5370         if ( psz_result == NULL )
5371             psz_result = this;
5372     }
5373
5374     return psz_result;
5375 }
5376
5377 bool chapter_item_c::ParentOf( const chapter_item_c & item ) const
5378 {
5379     if ( &item == this )
5380         return true;
5381
5382     std::vector<chapter_item_c*>::const_iterator index = sub_chapters.begin();
5383     while ( index != sub_chapters.end() )
5384     {
5385         if ( (*index)->ParentOf( item ) )
5386             return true;
5387         index++;
5388     }
5389
5390     return false;
5391 }
5392
5393 void demux_sys_t::PreloadFamily( const matroska_segment_c & of_segment )
5394 {
5395     for (size_t i=0; i<opened_segments.size(); i++)
5396     {
5397         opened_segments[i]->PreloadFamily( of_segment );
5398     }
5399 }
5400 bool matroska_segment_c::PreloadFamily( const matroska_segment_c & of_segment )
5401 {
5402     if ( b_preloaded )
5403         return false;
5404
5405     for (size_t i=0; i<families.size(); i++)
5406     {
5407         for (size_t j=0; j<of_segment.families.size(); j++)
5408         {
5409             if ( *(families[i]) == *(of_segment.families[j]) )
5410                 return Preload( );
5411         }
5412     }
5413
5414     return false;
5415 }
5416
5417 // preload all the linked segments for all preloaded segments
5418 void demux_sys_t::PreloadLinked( matroska_segment_c *p_segment )
5419 {
5420     size_t i_preloaded, i, j;
5421     virtual_segment_c *p_seg;
5422
5423     p_current_segment = VirtualFromSegments( p_segment );
5424
5425     used_segments.push_back( p_current_segment );
5426
5427     // create all the other virtual segments of the family
5428     do {
5429         i_preloaded = 0;
5430         for ( i=0; i< opened_segments.size(); i++ )
5431         {
5432             if ( opened_segments[i]->b_preloaded && !IsUsedSegment( *opened_segments[i] ) )
5433             {
5434                 p_seg = VirtualFromSegments( opened_segments[i] );
5435                 used_segments.push_back( p_seg );
5436                 i_preloaded++;
5437             }
5438         }
5439     } while ( i_preloaded ); // worst case: will stop when all segments are found as family related
5440
5441     // publish all editions of all usable segment
5442     for ( i=0; i< used_segments.size(); i++ )
5443     {
5444         p_seg = used_segments[i];
5445         if ( p_seg->p_editions != NULL )
5446         {
5447             std::string sz_name;
5448             input_title_t *p_title = vlc_input_title_New();
5449             p_seg->i_sys_title = i;
5450             int i_chapters;
5451
5452             // TODO use a name for each edition, let the TITLE deal with a codec name
5453             for ( j=0; j<p_seg->p_editions->size(); j++ )
5454             {
5455                 if ( p_title->psz_name == NULL )
5456                 {
5457                     sz_name = (*p_seg->p_editions)[j]->GetMainName();
5458                     if ( sz_name != "" )
5459                         p_title->psz_name = strdup( sz_name.c_str() );
5460                 }
5461
5462                 chapter_edition_c *p_edition = (*p_seg->p_editions)[j];
5463
5464                 i_chapters = 0;
5465                 p_edition->PublishChapters( *p_title, i_chapters, 0 );
5466             }
5467
5468             // create a name if there is none
5469             if ( p_title->psz_name == NULL )
5470             {
5471                 sz_name = N_("Segment");
5472                 char psz_str[6];
5473                 sprintf( psz_str, " %d", (int)i );
5474                 sz_name += psz_str;
5475                 p_title->psz_name = strdup( sz_name.c_str() );
5476             }
5477
5478             titles.push_back( p_title );
5479         }
5480     }
5481
5482     // TODO decide which segment should be first used (VMG for DVD)
5483 }
5484
5485 bool demux_sys_t::IsUsedSegment( matroska_segment_c &segment ) const
5486 {
5487     for ( size_t i=0; i< used_segments.size(); i++ )
5488     {
5489         if ( used_segments[i]->FindUID( *segment.p_segment_uid ) )
5490             return true;
5491     }
5492     return false;
5493 }
5494
5495 virtual_segment_c *demux_sys_t::VirtualFromSegments( matroska_segment_c *p_segment ) const
5496 {
5497     size_t i_preloaded, i;
5498
5499     virtual_segment_c *p_result = new virtual_segment_c( p_segment );
5500
5501     // fill our current virtual segment with all hard linked segments
5502     do {
5503         i_preloaded = 0;
5504         for ( i=0; i< opened_segments.size(); i++ )
5505         {
5506             i_preloaded += p_result->AddSegment( opened_segments[i] );
5507         }
5508     } while ( i_preloaded ); // worst case: will stop when all segments are found as linked
5509
5510     p_result->Sort( );
5511
5512     p_result->PreloadLinked( );
5513
5514     p_result->PrepareChapters( );
5515
5516     return p_result;
5517 }
5518
5519 bool demux_sys_t::PreparePlayback( virtual_segment_c *p_new_segment )
5520 {
5521     if ( p_new_segment != NULL && p_new_segment != p_current_segment )
5522     {
5523         if ( p_current_segment != NULL && p_current_segment->Segment() != NULL )
5524             p_current_segment->Segment()->UnSelect();
5525
5526         p_current_segment = p_new_segment;
5527         i_current_title = p_new_segment->i_sys_title;
5528     }
5529     if( !p_current_segment->Segment()->b_cues )
5530         msg_Warn( &p_current_segment->Segment()->sys.demuxer, "no cues/empty cues found->seek won't be precise" );
5531
5532     f_duration = p_current_segment->Duration();
5533
5534     /* add information */
5535     p_current_segment->Segment()->InformationCreate( );
5536     p_current_segment->Segment()->Select( 0 );
5537
5538     return true;
5539 }
5540
5541 void demux_sys_t::JumpTo( virtual_segment_c & vsegment, chapter_item_c * p_chapter )
5542 {
5543     // if the segment is not part of the current segment, select the new one
5544     if ( &vsegment != p_current_segment )
5545     {
5546         PreparePlayback( &vsegment );
5547     }
5548
5549     if ( p_chapter != NULL )
5550     {
5551         if ( !p_chapter->Enter( true ) )
5552         {
5553             // jump to the location in the found segment
5554             vsegment.Seek( demuxer, p_chapter->i_user_start_time, -1, p_chapter, -1 );
5555         }
5556     }
5557
5558 }
5559
5560 bool matroska_segment_c::CompareSegmentUIDs( const matroska_segment_c * p_item_a, const matroska_segment_c * p_item_b )
5561 {
5562     EbmlBinary *p_tmp;
5563
5564     if ( p_item_a == NULL || p_item_b == NULL )
5565         return false;
5566
5567     p_tmp = (EbmlBinary *)p_item_a->p_segment_uid;
5568     if ( p_item_b->p_prev_segment_uid != NULL
5569           && *p_tmp == *p_item_b->p_prev_segment_uid )
5570         return true;
5571
5572     p_tmp = (EbmlBinary *)p_item_a->p_next_segment_uid;
5573     if ( !p_tmp )
5574         return false;
5575
5576     if ( p_item_b->p_segment_uid != NULL
5577           && *p_tmp == *p_item_b->p_segment_uid )
5578         return true;
5579
5580     if ( p_item_b->p_prev_segment_uid != NULL
5581           && *p_tmp == *p_item_b->p_prev_segment_uid )
5582         return true;
5583
5584     return false;
5585 }
5586
5587 bool matroska_segment_c::Preload( )
5588 {
5589     if ( b_preloaded )
5590         return false;
5591
5592     EbmlElement *el = NULL;
5593
5594     ep->Reset( &sys.demuxer );
5595
5596     while( ( el = ep->Get() ) != NULL )
5597     {
5598         if( MKV_IS_ID( el, KaxSeekHead ) )
5599         {
5600             /* Multiple allowed */
5601             /* We bail at 10, to prevent possible recursion */
5602             msg_Dbg(  &sys.demuxer, "|   + Seek head" );
5603             if( i_seekhead_count < 10 )
5604             {
5605                 i_seekhead_position = (int64_t) es.I_O().getFilePointer();
5606                 ParseSeekHead( static_cast<KaxSeekHead*>( el ) );
5607             }
5608         }
5609         else if( MKV_IS_ID( el, KaxInfo ) )
5610         {
5611             /* Multiple allowed, mandatory */
5612             msg_Dbg(  &sys.demuxer, "|   + Information" );
5613             if( i_info_position < 0 ) // FIXME
5614                 ParseInfo( static_cast<KaxInfo*>( el ) );
5615             i_info_position = (int64_t) es.I_O().getFilePointer();
5616         }
5617         else if( MKV_IS_ID( el, KaxTracks ) )
5618         {
5619             /* Multiple allowed */
5620             msg_Dbg(  &sys.demuxer, "|   + Tracks" );
5621             if( i_tracks_position < 0 ) // FIXME
5622                 ParseTracks( static_cast<KaxTracks*>( el ) );
5623             if ( tracks.size() == 0 )
5624             {
5625                 msg_Err( &sys.demuxer, "No tracks supported" );
5626                 return false;
5627             }
5628             i_tracks_position = (int64_t) es.I_O().getFilePointer();
5629         }
5630         else if( MKV_IS_ID( el, KaxCues ) )
5631         {
5632             msg_Dbg(  &sys.demuxer, "|   + Cues" );
5633             if( i_cues_position < 0 )
5634                 LoadCues( static_cast<KaxCues*>( el ) );
5635             i_cues_position = (int64_t) es.I_O().getFilePointer();
5636         }
5637         else if( MKV_IS_ID( el, KaxCluster ) )
5638         {
5639             msg_Dbg( &sys.demuxer, "|   + Cluster" );
5640
5641             cluster = (KaxCluster*)el;
5642
5643             i_cluster_pos = i_start_pos = cluster->GetElementPosition();
5644             ParseCluster( );
5645
5646             ep->Down();
5647             /* stop pre-parsing the stream */
5648             break;
5649         }
5650         else if( MKV_IS_ID( el, KaxAttachments ) )
5651         {
5652             msg_Dbg( &sys.demuxer, "|   + Attachments" );
5653             if( i_attachments_position < 0 )
5654                 ParseAttachments( static_cast<KaxAttachments*>( el ) );
5655             i_attachments_position = (int64_t) es.I_O().getFilePointer();
5656         }
5657         else if( MKV_IS_ID( el, KaxChapters ) )
5658         {
5659             msg_Dbg( &sys.demuxer, "|   + Chapters" );
5660             if( i_chapters_position < 0 )
5661                 ParseChapters( static_cast<KaxChapters*>( el ) );
5662             i_chapters_position = (int64_t) es.I_O().getFilePointer();
5663         }
5664         else if( MKV_IS_ID( el, KaxTag ) )
5665         {
5666             msg_Dbg( &sys.demuxer, "|   + Tags" );
5667             if( i_tags_position < 0) // FIXME
5668                 ;//LoadTags( static_cast<KaxTags*>( el ) );
5669             i_tags_position = (int64_t) es.I_O().getFilePointer();
5670         }
5671         else
5672             msg_Dbg( &sys.demuxer, "|   + Preload Unknown (%s)", typeid(*el).name() );
5673     }
5674
5675     b_preloaded = true;
5676
5677     return true;
5678 }
5679
5680 /* Here we try to load elements that were found in Seek Heads, but not yet parsed */
5681 bool matroska_segment_c::LoadSeekHeadItem( const EbmlCallbacks & ClassInfos, int64_t i_element_position )
5682 {
5683     int64_t     i_sav_position = (int64_t)es.I_O().getFilePointer();
5684     EbmlElement *el;
5685
5686     es.I_O().setFilePointer( i_element_position, seek_beginning );
5687     el = es.FindNextID( ClassInfos, 0xFFFFFFFFL);
5688
5689     if( el == NULL )
5690     {
5691         msg_Err( &sys.demuxer, "cannot load some cues/chapters/tags etc. (broken seekhead or file)" );
5692         es.I_O().setFilePointer( i_sav_position, seek_beginning );
5693         return false;
5694     }
5695
5696     if( MKV_IS_ID( el, KaxSeekHead ) )
5697     {
5698         /* Multiple allowed */
5699         msg_Dbg( &sys.demuxer, "|   + Seek head" );
5700         if( i_seekhead_count < 10 )
5701         {
5702             i_seekhead_position = i_element_position;
5703             ParseSeekHead( static_cast<KaxSeekHead*>( el ) );
5704         }
5705     }
5706     else if( MKV_IS_ID( el, KaxInfo ) ) // FIXME
5707     {
5708         /* Multiple allowed, mandatory */
5709         msg_Dbg( &sys.demuxer, "|   + Information" );
5710         if( i_info_position < 0 )
5711             ParseInfo( static_cast<KaxInfo*>( el ) );
5712         i_info_position = i_element_position;
5713     }
5714     else if( MKV_IS_ID( el, KaxTracks ) ) // FIXME
5715     {
5716         /* Multiple allowed */
5717         msg_Dbg( &sys.demuxer, "|   + Tracks" );
5718         if( i_tracks_position < 0 )
5719             ParseTracks( static_cast<KaxTracks*>( el ) );
5720         if ( tracks.size() == 0 )
5721         {
5722             msg_Err( &sys.demuxer, "No tracks supported" );
5723             delete el;
5724             es.I_O().setFilePointer( i_sav_position, seek_beginning );
5725             return false;
5726         }
5727         i_tracks_position = i_element_position;
5728     }
5729     else if( MKV_IS_ID( el, KaxCues ) )
5730     {
5731         msg_Dbg( &sys.demuxer, "|   + Cues" );
5732         if( i_cues_position < 0 )
5733             LoadCues( static_cast<KaxCues*>( el ) );
5734         i_cues_position = i_element_position;
5735     }
5736     else if( MKV_IS_ID( el, KaxAttachments ) )
5737     {
5738         msg_Dbg( &sys.demuxer, "|   + Attachments" );
5739         if( i_attachments_position < 0 )
5740             ParseAttachments( static_cast<KaxAttachments*>( el ) );
5741         i_attachments_position = i_element_position;
5742     }
5743     else if( MKV_IS_ID( el, KaxChapters ) )
5744     {
5745         msg_Dbg( &sys.demuxer, "|   + Chapters" );
5746         if( i_chapters_position < 0 )
5747             ParseChapters( static_cast<KaxChapters*>( el ) );
5748         i_chapters_position = i_element_position;
5749     }
5750     else if( MKV_IS_ID( el, KaxTag ) ) // FIXME
5751     {
5752         msg_Dbg( &sys.demuxer, "|   + Tags" );
5753         if( i_tags_position < 0 )
5754             ;//LoadTags( static_cast<KaxTags*>( el ) );
5755         i_tags_position = i_element_position;
5756     }
5757     else
5758     {
5759         msg_Dbg( &sys.demuxer, "|   + LoadSeekHeadItem Unknown (%s)", typeid(*el).name() );
5760     }
5761     delete el;
5762
5763     es.I_O().setFilePointer( i_sav_position, seek_beginning );
5764     return true;
5765 }
5766
5767 matroska_segment_c *demux_sys_t::FindSegment( const EbmlBinary & uid ) const
5768 {
5769     for (size_t i=0; i<opened_segments.size(); i++)
5770     {
5771         if ( *opened_segments[i]->p_segment_uid == uid )
5772             return opened_segments[i];
5773     }
5774     return NULL;
5775 }
5776
5777 chapter_item_c *demux_sys_t::BrowseCodecPrivate( unsigned int codec_id,
5778                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
5779                                         const void *p_cookie,
5780                                         size_t i_cookie_size,
5781                                         virtual_segment_c * &p_segment_found )
5782 {
5783     chapter_item_c *p_result = NULL;
5784     for (size_t i=0; i<used_segments.size(); i++)
5785     {
5786         p_result = used_segments[i]->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
5787         if ( p_result != NULL )
5788         {
5789             p_segment_found = used_segments[i];
5790             break;
5791         }
5792     }
5793     return p_result;
5794 }
5795
5796 chapter_item_c *demux_sys_t::FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found )
5797 {
5798     chapter_item_c *p_result = NULL;
5799     for (size_t i=0; i<used_segments.size(); i++)
5800     {
5801         p_result = used_segments[i]->FindChapter( i_find_uid );
5802         if ( p_result != NULL )
5803         {
5804             p_segment_found = used_segments[i];
5805             break;
5806         }
5807     }
5808     return p_result;
5809 }
5810
5811 void virtual_segment_c::Sort()
5812 {
5813     // keep the current segment index
5814     matroska_segment_c *p_segment = linked_segments[i_current_segment];
5815
5816     std::sort( linked_segments.begin(), linked_segments.end(), matroska_segment_c::CompareSegmentUIDs );
5817
5818     for ( i_current_segment=0; i_current_segment<linked_segments.size(); i_current_segment++)
5819         if ( linked_segments[i_current_segment] == p_segment )
5820             break;
5821 }
5822
5823 size_t virtual_segment_c::AddSegment( matroska_segment_c *p_segment )
5824 {
5825     size_t i;
5826     // check if it's not already in here
5827     for ( i=0; i<linked_segments.size(); i++ )
5828     {
5829         if ( linked_segments[i]->p_segment_uid != NULL
5830             && p_segment->p_segment_uid != NULL
5831             && *p_segment->p_segment_uid == *linked_segments[i]->p_segment_uid )
5832             return 0;
5833     }
5834
5835     // find possible mates
5836     for ( i=0; i<linked_uids.size(); i++ )
5837     {
5838         if (   (p_segment->p_segment_uid != NULL && *p_segment->p_segment_uid == linked_uids[i])
5839             || (p_segment->p_prev_segment_uid != NULL && *p_segment->p_prev_segment_uid == linked_uids[i])
5840             || (p_segment->p_next_segment_uid !=NULL && *p_segment->p_next_segment_uid == linked_uids[i]) )
5841         {
5842             linked_segments.push_back( p_segment );
5843
5844             AppendUID( p_segment->p_prev_segment_uid );
5845             AppendUID( p_segment->p_next_segment_uid );
5846
5847             return 1;
5848         }
5849     }
5850     return 0;
5851 }
5852
5853 void virtual_segment_c::PreloadLinked( )
5854 {
5855     for ( size_t i=0; i<linked_segments.size(); i++ )
5856     {
5857         linked_segments[i]->Preload( );
5858     }
5859     i_current_edition = linked_segments[0]->i_default_edition;
5860 }
5861
5862 mtime_t virtual_segment_c::Duration() const
5863 {
5864     mtime_t i_duration;
5865     if ( linked_segments.size() == 0 )
5866         i_duration = 0;
5867     else {
5868         matroska_segment_c *p_last_segment = linked_segments[linked_segments.size()-1];
5869 //        p_last_segment->ParseCluster( );
5870
5871         i_duration = p_last_segment->i_start_time / 1000 + p_last_segment->i_duration;
5872     }
5873     return i_duration;
5874 }
5875
5876 void virtual_segment_c::AppendUID( const EbmlBinary * p_UID )
5877 {
5878     if ( p_UID == NULL )
5879         return;
5880     if ( p_UID->GetBuffer() == NULL )
5881         return;
5882
5883     for (size_t i=0; i<linked_uids.size(); i++)
5884     {
5885         if ( *p_UID == linked_uids[i] )
5886             return;
5887     }
5888     linked_uids.push_back( *(KaxSegmentUID*)(p_UID) );
5889 }
5890
5891 void matroska_segment_c::Seek( mtime_t i_date, mtime_t i_time_offset, int64_t i_global_position )
5892 {
5893     KaxBlock    *block;
5894 #if LIBMATROSKA_VERSION >= 0x000800
5895     KaxSimpleBlock *simpleblock;
5896 #endif
5897     int         i_track_skipping;
5898     int64_t     i_block_duration;
5899     int64_t     i_block_ref1;
5900     int64_t     i_block_ref2;
5901     size_t      i_track;
5902     int64_t     i_seek_position = i_start_pos;
5903     int64_t     i_seek_time = i_start_time;
5904
5905     if( i_global_position >= 0 )
5906     {
5907         /* Special case for seeking in files with no cues */
5908         EbmlElement *el = NULL;
5909         es.I_O().setFilePointer( i_start_pos, seek_beginning );
5910         delete ep;
5911         ep = new EbmlParser( &es, segment, &sys.demuxer );
5912         cluster = NULL;
5913
5914         while( ( el = ep->Get() ) != NULL )
5915         {
5916             if( MKV_IS_ID( el, KaxCluster ) )
5917             {
5918                 cluster = (KaxCluster *)el;
5919                 i_cluster_pos = cluster->GetElementPosition();
5920                 if( i_index == 0 ||
5921                         ( i_index > 0 && p_indexes[i_index - 1].i_position < (int64_t)cluster->GetElementPosition() ) )
5922                 {
5923                     IndexAppendCluster( cluster );
5924                 }
5925                 if( es.I_O().getFilePointer() >= i_global_position )
5926                 {
5927                     ParseCluster();
5928                     msg_Dbg( &sys.demuxer, "we found a cluster that is in the neighbourhood" );
5929                     es_out_Control( sys.demuxer.out, ES_OUT_RESET_PCR );
5930                     return;
5931                 }
5932             }
5933         }
5934         msg_Err( &sys.demuxer, "This file has no cues, and we were unable to seek to the requested position by parsing." );
5935         return;
5936     }
5937
5938     if ( i_index > 0 )
5939     {
5940         int i_idx = 0;
5941
5942         for( ; i_idx < i_index; i_idx++ )
5943         {
5944             if( p_indexes[i_idx].i_time + i_time_offset > i_date )
5945             {
5946                 break;
5947             }
5948         }
5949
5950         if( i_idx > 0 )
5951         {
5952             i_idx--;
5953         }
5954
5955         i_seek_position = p_indexes[i_idx].i_position;
5956         i_seek_time = p_indexes[i_idx].i_time;
5957     }
5958
5959     msg_Dbg( &sys.demuxer, "seek got %"PRId64" (%d%%)",
5960                 i_seek_time, (int)( 100 * i_seek_position / stream_Size( sys.demuxer.s ) ) );
5961
5962     es.I_O().setFilePointer( i_seek_position, seek_beginning );
5963
5964     delete ep;
5965     ep = new EbmlParser( &es, segment, &sys.demuxer );
5966     cluster = NULL;
5967
5968     sys.i_start_pts = i_date;
5969
5970     es_out_Control( sys.demuxer.out, ES_OUT_RESET_PCR );
5971
5972     /* now parse until key frame */
5973     i_track_skipping = 0;
5974     for( i_track = 0; i_track < tracks.size(); i_track++ )
5975     {
5976         if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5977         {
5978             tracks[i_track]->b_search_keyframe = true;
5979             i_track_skipping++;
5980         }
5981         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_date );
5982     }
5983
5984     while( i_track_skipping > 0 )
5985     {
5986 #if LIBMATROSKA_VERSION >= 0x000800
5987         if( BlockGet( block, simpleblock, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
5988 #else
5989         if( BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
5990 #endif
5991         {
5992             msg_Warn( &sys.demuxer, "cannot get block EOF?" );
5993
5994             return;
5995         }
5996         ep->Down();
5997
5998         for( i_track = 0; i_track < tracks.size(); i_track++ )
5999         {
6000 #if LIBMATROSKA_VERSION >= 0x000800
6001             if( (simpleblock && tracks[i_track]->i_number == simpleblock->TrackNum()) ||
6002                 (block && tracks[i_track]->i_number == block->TrackNum()) )
6003 #else
6004             if( tracks[i_track]->i_number == block->TrackNum() )
6005 #endif
6006             {
6007                 break;
6008             }
6009         }
6010
6011 #if LIBMATROSKA_VERSION >= 0x000800
6012         if( simpleblock )
6013             sys.i_pts = (sys.i_chapter_time + simpleblock->GlobalTimecode()) / (mtime_t) 1000;
6014         else
6015 #endif
6016             sys.i_pts = (sys.i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
6017
6018         if( i_track < tracks.size() )
6019         {
6020             if( sys.i_pts >= sys.i_start_pts )
6021             {
6022                 cluster = static_cast<KaxCluster*>(ep->UnGet( i_block_pos, i_cluster_pos ));
6023                 i_track_skipping = 0;
6024             }
6025             else if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
6026             {
6027                 if( i_block_ref1 == 0 && tracks[i_track]->b_search_keyframe )
6028                 {
6029                     tracks[i_track]->b_search_keyframe = false;
6030                     i_track_skipping--;
6031                 }
6032                 if( !tracks[i_track]->b_search_keyframe )
6033                 {
6034
6035             //es_out_Control( sys.demuxer.out, ES_OUT_SET_PCR, sys.i_pts );
6036 #if LIBMATROSKA_VERSION >= 0x000800
6037                     BlockDecode( &sys.demuxer, block, simpleblock, sys.i_pts, 0, i_block_ref1 >= 0 || i_block_ref2 > 0 );
6038 #else
6039                     BlockDecode( &sys.demuxer, block, sys.i_pts, 0, i_block_ref1 >= 0 || i_block_ref2 > 0 );
6040 #endif
6041                 }
6042             }
6043         }
6044
6045         delete block;
6046     }
6047
6048     /* FIXME current ES_OUT_SET_NEXT_DISPLAY_TIME does not work that well if
6049      * the delay is too high. */
6050     if( sys.i_pts + 500*1000 < sys.i_start_pts )
6051     {
6052         sys.i_start_pts = sys.i_pts;
6053
6054         for( i_track = 0; i_track < tracks.size(); i_track++ )
6055             es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, sys.i_start_pts );
6056     }
6057 }
6058
6059 int matroska_segment_c::BlockFindTrackIndex( size_t *pi_track,
6060                                              const KaxBlock *p_block
6061 #if LIBMATROSKA_VERSION >= 0x000800
6062                                             , const KaxSimpleBlock *p_simpleblock
6063 #endif
6064                                            )
6065 {
6066     size_t          i_track;
6067     unsigned int    i;
6068     bool            b;
6069
6070     for( i_track = 0; i_track < tracks.size(); i_track++ )
6071     {
6072         const mkv_track_t *tk = tracks[i_track];
6073
6074 #if LIBMATROSKA_VERSION >= 0x000800
6075         if( ( p_block != NULL && tk->i_number == p_block->TrackNum() ) ||
6076             ( p_simpleblock != NULL && tk->i_number == p_simpleblock->TrackNum() ) )
6077 #else
6078         if( tk->i_number == p_block->TrackNum() )
6079 #endif
6080         {
6081             break;
6082         }
6083     }
6084
6085     if( i_track >= tracks.size() )
6086         return VLC_EGENERIC;
6087
6088     if( pi_track )
6089         *pi_track = i_track;
6090     return VLC_SUCCESS;
6091 }
6092
6093 void virtual_segment_c::Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter, int64_t i_global_position )
6094 {
6095     demux_sys_t *p_sys = demuxer.p_sys;
6096     size_t i;
6097
6098     // find the actual time for an ordered edition
6099     if ( psz_chapter == NULL )
6100     {
6101         if ( Edition() && Edition()->b_ordered )
6102         {
6103             /* 1st, we need to know in which chapter we are */
6104             psz_chapter = (*p_editions)[i_current_edition]->FindTimecode( i_date, psz_current_chapter );
6105         }
6106     }
6107
6108     if ( psz_chapter != NULL )
6109     {
6110         psz_current_chapter = psz_chapter;
6111         p_sys->i_chapter_time = i_time_offset = psz_chapter->i_user_start_time - psz_chapter->i_start_time;
6112         if ( psz_chapter->i_seekpoint_num > 0 )
6113         {
6114             demuxer.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
6115             demuxer.info.i_title = p_sys->i_current_title = i_sys_title;
6116             demuxer.info.i_seekpoint = psz_chapter->i_seekpoint_num - 1;
6117         }
6118     }
6119
6120     // find the best matching segment
6121     for ( i=0; i<linked_segments.size(); i++ )
6122     {
6123         if ( i_date < linked_segments[i]->i_start_time )
6124             break;
6125     }
6126
6127     if ( i > 0 )
6128         i--;
6129
6130     if ( i_current_segment != i  )
6131     {
6132         linked_segments[i_current_segment]->UnSelect();
6133         linked_segments[i]->Select( i_date );
6134         i_current_segment = i;
6135     }
6136
6137     linked_segments[i]->Seek( i_date, i_time_offset, i_global_position );
6138 }
6139
6140 void chapter_codec_cmds_c::AddCommand( const KaxChapterProcessCommand & command )
6141 {
6142     size_t i;
6143
6144     uint32 codec_time = uint32(-1);
6145     for( i = 0; i < command.ListSize(); i++ )
6146     {
6147         const EbmlElement *k = command[i];
6148
6149         if( MKV_IS_ID( k, KaxChapterProcessTime ) )
6150         {
6151             codec_time = uint32( *static_cast<const KaxChapterProcessTime*>( k ) );
6152             break;
6153         }
6154     }
6155
6156     for( i = 0; i < command.ListSize(); i++ )
6157     {
6158         const EbmlElement *k = command[i];
6159
6160         if( MKV_IS_ID( k, KaxChapterProcessData ) )
6161         {
6162             KaxChapterProcessData *p_data =  new KaxChapterProcessData( *static_cast<const KaxChapterProcessData*>( k ) );
6163             switch ( codec_time )
6164             {
6165             case 0:
6166                 during_cmds.push_back( p_data );
6167                 break;
6168             case 1:
6169                 enter_cmds.push_back( p_data );
6170                 break;
6171             case 2:
6172                 leave_cmds.push_back( p_data );
6173                 break;
6174             default:
6175                 delete p_data;
6176             }
6177         }
6178     }
6179 }
6180
6181 bool chapter_item_c::Enter( bool b_do_subs )
6182 {
6183     bool f_result = false;
6184     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
6185     while ( index != codecs.end() )
6186     {
6187         f_result |= (*index)->Enter();
6188         index++;
6189     }
6190
6191     if ( b_do_subs )
6192     {
6193         // sub chapters
6194         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
6195         while ( index_ != sub_chapters.end() )
6196         {
6197             f_result |= (*index_)->Enter( true );
6198             index_++;
6199         }
6200     }
6201     return f_result;
6202 }
6203
6204 bool chapter_item_c::Leave( bool b_do_subs )
6205 {
6206     bool f_result = false;
6207     b_is_leaving = true;
6208     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
6209     while ( index != codecs.end() )
6210     {
6211         f_result |= (*index)->Leave();
6212         index++;
6213     }
6214
6215     if ( b_do_subs )
6216     {
6217         // sub chapters
6218         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
6219         while ( index_ != sub_chapters.end() )
6220         {
6221             f_result |= (*index_)->Leave( true );
6222             index_++;
6223         }
6224     }
6225     b_is_leaving = false;
6226     return f_result;
6227 }
6228
6229 bool chapter_item_c::EnterAndLeave( chapter_item_c *p_item, bool b_final_enter )
6230 {
6231     chapter_item_c *p_common_parent = p_item;
6232
6233     // leave, up to a common parent
6234     while ( p_common_parent != NULL && !p_common_parent->ParentOf( *this ) )
6235     {
6236         if ( !p_common_parent->b_is_leaving && p_common_parent->Leave( false ) )
6237             return true;
6238         p_common_parent = p_common_parent->psz_parent;
6239     }
6240
6241     // enter from the parent to <this>
6242     if ( p_common_parent != NULL )
6243     {
6244         do
6245         {
6246             if ( p_common_parent == this )
6247                 return Enter( true );
6248
6249             for ( size_t i = 0; i<p_common_parent->sub_chapters.size(); i++ )
6250             {
6251                 if ( p_common_parent->sub_chapters[i]->ParentOf( *this ) )
6252                 {
6253                     p_common_parent = p_common_parent->sub_chapters[i];
6254                     if ( p_common_parent != this )
6255                         if ( p_common_parent->Enter( false ) )
6256                             return true;
6257
6258                     break;
6259                 }
6260             }
6261         } while ( 1 );
6262     }
6263
6264     if ( b_final_enter )
6265         return Enter( true );
6266     else
6267         return false;
6268 }
6269
6270 bool dvd_chapter_codec_c::Enter()
6271 {
6272     bool f_result = false;
6273     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
6274     while ( index != enter_cmds.end() )
6275     {
6276         if ( (*index)->GetSize() )
6277         {
6278             binary *p_data = (*index)->GetBuffer();
6279             size_t i_size = *p_data++;
6280             // avoid reading too much from the buffer
6281             i_size = __MIN( i_size, ((*index)->GetSize() - 1) >> 3 );
6282             for ( ; i_size > 0; i_size--, p_data += 8 )
6283             {
6284                 msg_Dbg( &sys.demuxer, "Matroska DVD enter command" );
6285                 f_result |= sys.dvd_interpretor.Interpret( p_data );
6286             }
6287         }
6288         index++;
6289     }
6290     return f_result;
6291 }
6292
6293 bool dvd_chapter_codec_c::Leave()
6294 {
6295     bool f_result = false;
6296     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
6297     while ( index != leave_cmds.end() )
6298     {
6299         if ( (*index)->GetSize() )
6300         {
6301             binary *p_data = (*index)->GetBuffer();
6302             size_t i_size = *p_data++;
6303             // avoid reading too much from the buffer
6304             i_size = __MIN( i_size, ((*index)->GetSize() - 1) >> 3 );
6305             for ( ; i_size > 0; i_size--, p_data += 8 )
6306             {
6307                 msg_Dbg( &sys.demuxer, "Matroska DVD leave command" );
6308                 f_result |= sys.dvd_interpretor.Interpret( p_data );
6309             }
6310         }
6311         index++;
6312     }
6313     return f_result;
6314 }
6315
6316 // see http://www.dvd-replica.com/DVD/vmcmdset.php for a description of DVD commands
6317 bool dvd_command_interpretor_c::Interpret( const binary * p_command, size_t i_size )
6318 {
6319     if ( i_size != 8 )
6320         return false;
6321
6322     virtual_segment_c *p_segment = NULL;
6323     chapter_item_c *p_chapter = NULL;
6324     bool f_result = false;
6325     uint16 i_command = ( p_command[0] << 8 ) + p_command[1];
6326
6327     // handle register tests if there are some
6328     if ( (i_command & 0xF0) != 0 )
6329     {
6330         bool b_test_positive = true;//(i_command & CMD_DVD_IF_NOT) == 0;
6331         bool b_test_value    = (i_command & CMD_DVD_TEST_VALUE) != 0;
6332         uint8 i_test = i_command & 0x70;
6333         uint16 i_value;
6334
6335         // see http://dvd.sourceforge.net/dvdinfo/vmi.html
6336         uint8  i_cr1;
6337         uint16 i_cr2;
6338         switch ( i_command >> 12 )
6339         {
6340         default:
6341             i_cr1 = p_command[3];
6342             i_cr2 = (p_command[4] << 8) + p_command[5];
6343             break;
6344         case 3:
6345         case 4:
6346         case 5:
6347             i_cr1 = p_command[6];
6348             i_cr2 = p_command[7];
6349             b_test_value = false;
6350             break;
6351         case 6:
6352         case 7:
6353             if ( ((p_command[1] >> 4) & 0x7) == 0)
6354             {
6355                 i_cr1 = p_command[2];
6356                 i_cr2 = (p_command[6] << 8) + p_command[7];
6357             }
6358             else
6359             {
6360                 i_cr1 = p_command[2];
6361                 i_cr2 = (p_command[6] << 8) + p_command[7];
6362             }
6363             break;
6364         }
6365
6366         if ( b_test_value )
6367             i_value = i_cr2;
6368         else
6369             i_value = GetPRM( i_cr2 );
6370
6371         switch ( i_test )
6372         {
6373         case CMD_DVD_IF_GPREG_EQUAL:
6374             // if equals
6375             msg_Dbg( &sys.demuxer, "IF %s EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6376             if (!( GetPRM( i_cr1 ) == i_value ))
6377             {
6378                 b_test_positive = false;
6379             }
6380             break;
6381         case CMD_DVD_IF_GPREG_NOT_EQUAL:
6382             // if not equals
6383             msg_Dbg( &sys.demuxer, "IF %s NOT EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6384             if (!( GetPRM( i_cr1 ) != i_value ))
6385             {
6386                 b_test_positive = false;
6387             }
6388             break;
6389         case CMD_DVD_IF_GPREG_INF:
6390             // if inferior
6391             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6392             if (!( GetPRM( i_cr1 ) < i_value ))
6393             {
6394                 b_test_positive = false;
6395             }
6396             break;
6397         case CMD_DVD_IF_GPREG_INF_EQUAL:
6398             // if inferior or equal
6399             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6400             if (!( GetPRM( i_cr1 ) <= i_value ))
6401             {
6402                 b_test_positive = false;
6403             }
6404             break;
6405         case CMD_DVD_IF_GPREG_AND:
6406             // if logical and
6407             msg_Dbg( &sys.demuxer, "IF %s & %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6408             if (!( GetPRM( i_cr1 ) & i_value ))
6409             {
6410                 b_test_positive = false;
6411             }
6412             break;
6413         case CMD_DVD_IF_GPREG_SUP:
6414             // if superior
6415             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6416             if (!( GetPRM( i_cr1 ) > i_value ))
6417             {
6418                 b_test_positive = false;
6419             }
6420             break;
6421         case CMD_DVD_IF_GPREG_SUP_EQUAL:
6422             // if superior or equal
6423             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6424             if (!( GetPRM( i_cr1 ) >= i_value ))
6425             {
6426                 b_test_positive = false;
6427             }
6428             break;
6429         }
6430
6431         if ( !b_test_positive )
6432             return false;
6433     }
6434
6435     // strip the test command
6436     i_command &= 0xFF0F;
6437
6438     switch ( i_command )
6439     {
6440     case CMD_DVD_NOP:
6441     case CMD_DVD_NOP2:
6442         {
6443             msg_Dbg( &sys.demuxer, "NOP" );
6444             break;
6445         }
6446     case CMD_DVD_BREAK:
6447         {
6448             msg_Dbg( &sys.demuxer, "Break" );
6449             // TODO
6450             break;
6451         }
6452     case CMD_DVD_JUMP_TT:
6453         {
6454             uint8 i_title = p_command[5];
6455             msg_Dbg( &sys.demuxer, "JumpTT %d", i_title );
6456
6457             // find in the ChapProcessPrivate matching this Title level
6458             p_chapter = sys.BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title), p_segment );
6459             if ( p_segment != NULL )
6460             {
6461                 sys.JumpTo( *p_segment, p_chapter );
6462                 f_result = true;
6463             }
6464
6465             break;
6466         }
6467     case CMD_DVD_CALLSS_VTSM1:
6468         {
6469             msg_Dbg( &sys.demuxer, "CallSS" );
6470             binary p_type;
6471             switch( (p_command[6] & 0xC0) >> 6 ) {
6472                 case 0:
6473                     p_type = p_command[5] & 0x0F;
6474                     switch ( p_type )
6475                     {
6476                     case 0x00:
6477                         msg_Dbg( &sys.demuxer, "CallSS PGC (rsm_cell %x)", p_command[4]);
6478                         break;
6479                     case 0x02:
6480                         msg_Dbg( &sys.demuxer, "CallSS Title Entry (rsm_cell %x)", p_command[4]);
6481                         break;
6482                     case 0x03:
6483                         msg_Dbg( &sys.demuxer, "CallSS Root Menu (rsm_cell %x)", p_command[4]);
6484                         break;
6485                     case 0x04:
6486                         msg_Dbg( &sys.demuxer, "CallSS Subpicture Menu (rsm_cell %x)", p_command[4]);
6487                         break;
6488                     case 0x05:
6489                         msg_Dbg( &sys.demuxer, "CallSS Audio Menu (rsm_cell %x)", p_command[4]);
6490                         break;
6491                     case 0x06:
6492                         msg_Dbg( &sys.demuxer, "CallSS Angle Menu (rsm_cell %x)", p_command[4]);
6493                         break;
6494                     case 0x07:
6495                         msg_Dbg( &sys.demuxer, "CallSS Chapter Menu (rsm_cell %x)", p_command[4]);
6496                         break;
6497                     default:
6498                         msg_Dbg( &sys.demuxer, "CallSS <unknown> (rsm_cell %x)", p_command[4]);
6499                         break;
6500                     }
6501                     p_chapter = sys.BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1, p_segment );
6502                     if ( p_segment != NULL )
6503                     {
6504                         sys.JumpTo( *p_segment, p_chapter );
6505                         f_result = true;
6506                     }
6507                 break;
6508                 case 1:
6509                     msg_Dbg( &sys.demuxer, "CallSS VMGM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
6510                 break;
6511                 case 2:
6512                     msg_Dbg( &sys.demuxer, "CallSS VTSM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
6513                 break;
6514                 case 3:
6515                     msg_Dbg( &sys.demuxer, "CallSS VMGM (pgc %d, rsm_cell %x)", (p_command[2] << 8) + p_command[3], p_command[4]);
6516                 break;
6517             }
6518             break;
6519         }
6520     case CMD_DVD_JUMP_SS:
6521         {
6522             msg_Dbg( &sys.demuxer, "JumpSS");
6523             binary p_type;
6524             switch( (p_command[5] & 0xC0) >> 6 ) {
6525                 case 0:
6526                     msg_Dbg( &sys.demuxer, "JumpSS FP");
6527                 break;
6528                 case 1:
6529                     p_type = p_command[5] & 0x0F;
6530                     switch ( p_type )
6531                     {
6532                     case 0x02:
6533                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Title Entry");
6534                         break;
6535                     case 0x03:
6536                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Root Menu");
6537                         break;
6538                     case 0x04:
6539                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Subpicture Menu");
6540                         break;
6541                     case 0x05:
6542                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Audio Menu");
6543                         break;
6544                     case 0x06:
6545                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Angle Menu");
6546                         break;
6547                     case 0x07:
6548                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Chapter Menu");
6549                         break;
6550                     default:
6551                         msg_Dbg( &sys.demuxer, "JumpSS <unknown>");
6552                         break;
6553                     }
6554                     // find the VMG
6555                     p_chapter = sys.BrowseCodecPrivate( 1, MatchIsVMG, NULL, 0, p_segment );
6556                     if ( p_segment != NULL )
6557                     {
6558                         p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
6559                         if ( p_chapter != NULL )
6560                         {
6561                             sys.JumpTo( *p_segment, p_chapter );
6562                             f_result = true;
6563                         }
6564                     }
6565                 break;
6566                 case 2:
6567                     p_type = p_command[5] & 0x0F;
6568                     switch ( p_type )
6569                     {
6570                     case 0x02:
6571                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Title Entry", p_command[4], p_command[3]);
6572                         break;
6573                     case 0x03:
6574                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Root Menu", p_command[4], p_command[3]);
6575                         break;
6576                     case 0x04:
6577                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Subpicture Menu", p_command[4], p_command[3]);
6578                         break;
6579                     case 0x05:
6580                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Audio Menu", p_command[4], p_command[3]);
6581                         break;
6582                     case 0x06:
6583                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Angle Menu", p_command[4], p_command[3]);
6584                         break;
6585                     case 0x07:
6586                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Chapter Menu", p_command[4], p_command[3]);
6587                         break;
6588                     default:
6589                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) <unknown>", p_command[4], p_command[3]);
6590                         break;
6591                     }
6592
6593                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSMNumber, &p_command[4], 1, p_segment );
6594
6595                     if ( p_segment != NULL && p_chapter != NULL )
6596                     {
6597                         // find the title in the VTS
6598                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &p_command[3], 1 );
6599                         if ( p_chapter != NULL )
6600                         {
6601                             // find the specified menu in the VTSM
6602                             p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
6603                             if ( p_chapter != NULL )
6604                             {
6605                                 sys.JumpTo( *p_segment, p_chapter );
6606                                 f_result = true;
6607                             }
6608                         }
6609                         else
6610                             msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", p_command[3] );
6611                     }
6612                     else
6613                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", p_command[4] );
6614                 break;
6615                 case 3:
6616                     msg_Dbg( &sys.demuxer, "JumpSS VMGM (pgc %d)", (p_command[2] << 8) + p_command[3]);
6617                 break;
6618             }
6619             break;
6620         }
6621     case CMD_DVD_JUMPVTS_PTT:
6622         {
6623             uint8 i_title = p_command[5];
6624             uint8 i_ptt = p_command[3];
6625
6626             msg_Dbg( &sys.demuxer, "JumpVTS Title (%d) PTT (%d)", i_title, i_ptt);
6627
6628             // find the current VTS content segment
6629             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchIsDomain, NULL, 0 );
6630             if ( p_chapter != NULL )
6631             {
6632                 int16 i_curr_title = p_chapter->GetTitleNumber( );
6633                 if ( i_curr_title > 0 )
6634                 {
6635                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSNumber, &i_curr_title, sizeof(i_curr_title), p_segment );
6636
6637                     if ( p_segment != NULL && p_chapter != NULL )
6638                     {
6639                         // find the title in the VTS
6640                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title) );
6641                         if ( p_chapter != NULL )
6642                         {
6643                             // find the chapter in the title
6644                             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchChapterNumber, &i_ptt, sizeof(i_ptt) );
6645                             if ( p_chapter != NULL )
6646                             {
6647                                 sys.JumpTo( *p_segment, p_chapter );
6648                                 f_result = true;
6649                             }
6650                         }
6651                     else
6652                         msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", i_title );
6653                     }
6654                     else
6655                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", i_curr_title );
6656                 }
6657                 else
6658                     msg_Dbg( &sys.demuxer, "JumpVTS_PTT command found but not in a VTS(M)");
6659             }
6660             else
6661                 msg_Dbg( &sys.demuxer, "JumpVTS_PTT command but the DVD domain wasn't found");
6662             break;
6663         }
6664     case CMD_DVD_SET_GPRMMD:
6665         {
6666             msg_Dbg( &sys.demuxer, "Set GPRMMD [%d]=%d", (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3]);
6667
6668             if ( !SetGPRM( (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3] ) )
6669                 msg_Dbg( &sys.demuxer, "Set GPRMMD failed" );
6670             break;
6671         }
6672     case CMD_DVD_LINKPGCN:
6673         {
6674             uint16 i_pgcn = (p_command[6] << 8) + p_command[7];
6675
6676             msg_Dbg( &sys.demuxer, "Link PGCN(%d)", i_pgcn );
6677             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchPgcNumber, &i_pgcn, 2 );
6678             if ( p_chapter != NULL )
6679             {
6680                 if ( !p_chapter->Enter( true ) )
6681                     // jump to the location in the found segment
6682                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter, -1 );
6683
6684                 f_result = true;
6685             }
6686             break;
6687         }
6688     case CMD_DVD_LINKCN:
6689         {
6690             uint8 i_cn = p_command[7];
6691
6692             p_chapter = sys.p_current_segment->CurrentChapter();
6693
6694             msg_Dbg( &sys.demuxer, "LinkCN (cell %d)", i_cn );
6695             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchCellNumber, &i_cn, 1 );
6696             if ( p_chapter != NULL )
6697             {
6698                 if ( !p_chapter->Enter( true ) )
6699                     // jump to the location in the found segment
6700                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter, -1 );
6701
6702                 f_result = true;
6703             }
6704             break;
6705         }
6706     case CMD_DVD_GOTO_LINE:
6707         {
6708             msg_Dbg( &sys.demuxer, "GotoLine (%d)", (p_command[6] << 8) + p_command[7] );
6709             // TODO
6710             break;
6711         }
6712     case CMD_DVD_SET_HL_BTNN1:
6713         {
6714             msg_Dbg( &sys.demuxer, "SetHL_BTN (%d)", p_command[4] );
6715             SetSPRM( 0x88, p_command[4] );
6716             break;
6717         }
6718     default:
6719         {
6720             msg_Dbg( &sys.demuxer, "unsupported command : %02X %02X %02X %02X %02X %02X %02X %02X"
6721                      ,p_command[0]
6722                      ,p_command[1]
6723                      ,p_command[2]
6724                      ,p_command[3]
6725                      ,p_command[4]
6726                      ,p_command[5]
6727                      ,p_command[6]
6728                      ,p_command[7]);
6729             break;
6730         }
6731     }
6732
6733     return f_result;
6734 }
6735
6736 bool dvd_command_interpretor_c::MatchIsDomain( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6737 {
6738     return ( data.p_private_data != NULL && data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS );
6739 }
6740
6741 bool dvd_command_interpretor_c::MatchIsVMG( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6742 {
6743     if ( data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
6744         return false;
6745
6746     return ( data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS && data.p_private_data->GetBuffer()[1] == 0xC0);
6747 }
6748
6749 bool dvd_command_interpretor_c::MatchVTSNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6750 {
6751     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6752         return false;
6753
6754     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x80 )
6755         return false;
6756
6757     uint16 i_gtitle = (data.p_private_data->GetBuffer()[2] << 8 ) + data.p_private_data->GetBuffer()[3];
6758     uint16 i_title = *(uint16*)p_cookie;
6759
6760     return (i_gtitle == i_title);
6761 }
6762
6763 bool dvd_command_interpretor_c::MatchVTSMNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6764 {
6765     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6766         return false;
6767
6768     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x40 )
6769         return false;
6770
6771     uint8 i_gtitle = data.p_private_data->GetBuffer()[3];
6772     uint8 i_title = *(uint8*)p_cookie;
6773
6774     return (i_gtitle == i_title);
6775 }
6776
6777 bool dvd_command_interpretor_c::MatchTitleNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6778 {
6779     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6780         return false;
6781
6782     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_TT )
6783         return false;
6784
6785     uint16 i_gtitle = (data.p_private_data->GetBuffer()[1] << 8 ) + data.p_private_data->GetBuffer()[2];
6786     uint8 i_title = *(uint8*)p_cookie;
6787
6788     return (i_gtitle == i_title);
6789 }
6790
6791 bool dvd_command_interpretor_c::MatchPgcType( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6792 {
6793     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6794         return false;
6795
6796     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6797         return false;
6798
6799     uint8 i_pgc_type = data.p_private_data->GetBuffer()[3] & 0x0F;
6800     uint8 i_pgc = *(uint8*)p_cookie;
6801
6802     return (i_pgc_type == i_pgc);
6803 }
6804
6805 bool dvd_command_interpretor_c::MatchPgcNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6806 {
6807     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6808         return false;
6809
6810     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6811         return false;
6812
6813     uint16 *i_pgc_n = (uint16 *)p_cookie;
6814     uint16 i_pgc_num = (data.p_private_data->GetBuffer()[1] << 8) + data.p_private_data->GetBuffer()[2];
6815
6816     return (i_pgc_num == *i_pgc_n);
6817 }
6818
6819 bool dvd_command_interpretor_c::MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6820 {
6821     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
6822         return false;
6823
6824     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PTT )
6825         return false;
6826
6827     uint8 i_chapter = data.p_private_data->GetBuffer()[1];
6828     uint8 i_ptt = *(uint8*)p_cookie;
6829
6830     return (i_chapter == i_ptt);
6831 }
6832
6833 bool dvd_command_interpretor_c::MatchCellNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6834 {
6835     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 5 )
6836         return false;
6837
6838     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_CN )
6839         return false;
6840
6841     uint8 *i_cell_n = (uint8 *)p_cookie;
6842     uint8 i_cell_num = data.p_private_data->GetBuffer()[3];
6843
6844     return (i_cell_num == *i_cell_n);
6845 }
6846
6847 bool matroska_script_codec_c::Enter()
6848 {
6849     bool f_result = false;
6850     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
6851     while ( index != enter_cmds.end() )
6852     {
6853         if ( (*index)->GetSize() )
6854         {
6855             msg_Dbg( &sys.demuxer, "Matroska Script enter command" );
6856             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6857         }
6858         index++;
6859     }
6860     return f_result;
6861 }
6862
6863 bool matroska_script_codec_c::Leave()
6864 {
6865     bool f_result = false;
6866     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
6867     while ( index != leave_cmds.end() )
6868     {
6869         if ( (*index)->GetSize() )
6870         {
6871             msg_Dbg( &sys.demuxer, "Matroska Script leave command" );
6872             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6873         }
6874         index++;
6875     }
6876     return f_result;
6877 }
6878
6879 // see http://www.matroska.org/technical/specs/chapters/index.html#mscript
6880 //  for a description of existing commands
6881 bool matroska_script_interpretor_c::Interpret( const binary * p_command, size_t i_size )
6882 {
6883     bool b_result = false;
6884
6885     char *psz_str = (char*) malloc( i_size + 1 );
6886     memcpy( psz_str, p_command, i_size );
6887     psz_str[ i_size ] = '\0';
6888
6889     std::string sz_command = psz_str;
6890     free( psz_str );
6891
6892     msg_Dbg( &sys.demuxer, "command : %s", sz_command.c_str() );
6893
6894 #if defined(__GNUC__) && (__GNUC__ < 3)
6895     if ( sz_command.compare( CMD_MS_GOTO_AND_PLAY, 0, CMD_MS_GOTO_AND_PLAY.size() ) == 0 )
6896 #else
6897     if ( sz_command.compare( 0, CMD_MS_GOTO_AND_PLAY.size(), CMD_MS_GOTO_AND_PLAY ) == 0 )
6898 #endif
6899     {
6900         size_t i,j;
6901
6902         // find the (
6903         for ( i=CMD_MS_GOTO_AND_PLAY.size(); i<sz_command.size(); i++)
6904         {
6905             if ( sz_command[i] == '(' )
6906             {
6907                 i++;
6908                 break;
6909             }
6910         }
6911         // find the )
6912         for ( j=i; j<sz_command.size(); j++)
6913         {
6914             if ( sz_command[j] == ')' )
6915             {
6916                 i--;
6917                 break;
6918             }
6919         }
6920
6921         std::string st = sz_command.substr( i+1, j-i-1 );
6922         int64_t i_chapter_uid = atoi( st.c_str() );
6923
6924         virtual_segment_c *p_segment;
6925         chapter_item_c *p_chapter = sys.FindChapter( i_chapter_uid, p_segment );
6926
6927         if ( p_chapter == NULL )
6928             msg_Dbg( &sys.demuxer, "Chapter %"PRId64" not found", i_chapter_uid);
6929         else
6930         {
6931             if ( !p_chapter->EnterAndLeave( sys.p_current_segment->CurrentChapter() ) )
6932                 p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter, -1 );
6933             b_result = true;
6934         }
6935     }
6936
6937     return b_result;
6938 }
6939
6940 void demux_sys_t::SwapButtons()
6941 {
6942 #ifndef WORDS_BIGENDIAN
6943     uint8_t button, i, j;
6944
6945     for( button = 1; button <= pci_packet.hli.hl_gi.btn_ns; button++) {
6946         btni_t *button_ptr = &(pci_packet.hli.btnit[button-1]);
6947         binary *p_data = (binary*) button_ptr;
6948
6949         uint16 i_x_start = ((p_data[0] & 0x3F) << 4 ) + ( p_data[1] >> 4 );
6950         uint16 i_x_end   = ((p_data[1] & 0x03) << 8 ) + p_data[2];
6951         uint16 i_y_start = ((p_data[3] & 0x3F) << 4 ) + ( p_data[4] >> 4 );
6952         uint16 i_y_end   = ((p_data[4] & 0x03) << 8 ) + p_data[5];
6953         button_ptr->x_start = i_x_start;
6954         button_ptr->x_end   = i_x_end;
6955         button_ptr->y_start = i_y_start;
6956         button_ptr->y_end   = i_y_end;
6957
6958     }
6959     for ( i = 0; i<3; i++ )
6960     {
6961         for ( j = 0; j<2; j++ )
6962         {
6963             pci_packet.hli.btn_colit.btn_coli[i][j] = U32_AT( &pci_packet.hli.btn_colit.btn_coli[i][j] );
6964         }
6965     }
6966 #endif
6967 }