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 #include <stdlib.h>                                      /* malloc(), free() */
  29
  30 #include <vlc/vlc.h>
  31
  32 #ifdef HAVE_TIME_H
  33 #   include <time.h>                                               /* time() */
  34 #endif
  35
  36
  37 #include <vlc_codecs.h>               /* BITMAPINFOHEADER, WAVEFORMATEX */
  38 #include "iso_lang.h"
  39 #include "vlc_meta.h"
  40 #include <vlc_charset.h>
  41 #include <vlc_input.h>
  42 #include <vlc_demux.h>
  43
  44 #include <iostream>
  45 #include <cassert>
  46 #include <typeinfo>
  47 #include <string>
  48 #include <vector>
  49 #include <algorithm>
  50
  51 #ifdef HAVE_DIRENT_H
  52 #   include <dirent.h>
  53 #endif
  54
  55 /* libebml and matroska */
  56 #include "ebml/EbmlHead.h"
  57 #include "ebml/EbmlSubHead.h"
  58 #include "ebml/EbmlStream.h"
  59 #include "ebml/EbmlContexts.h"
  60 #include "ebml/EbmlVoid.h"
  61 #include "ebml/EbmlVersion.h"
  62 #include "ebml/StdIOCallback.h"
  63
  64 #include "matroska/KaxAttachments.h"
  65 #include "matroska/KaxAttached.h"
  66 #include "matroska/KaxBlock.h"
  67 #include "matroska/KaxBlockData.h"
  68 #include "matroska/KaxChapters.h"
  69 #include "matroska/KaxCluster.h"
  70 #include "matroska/KaxClusterData.h"
  71 #include "matroska/KaxContexts.h"
  72 #include "matroska/KaxCues.h"
  73 #include "matroska/KaxCuesData.h"
  74 #include "matroska/KaxInfo.h"
  75 #include "matroska/KaxInfoData.h"
  76 #include "matroska/KaxSeekHead.h"
  77 #include "matroska/KaxSegment.h"
  78 #include "matroska/KaxTag.h"
  79 #include "matroska/KaxTags.h"
  80 #include "matroska/KaxTagMulti.h"
  81 #include "matroska/KaxTracks.h"
  82 #include "matroska/KaxTrackAudio.h"
  83 #include "matroska/KaxTrackVideo.h"
  84 #include "matroska/KaxTrackEntryData.h"
  85 #include "matroska/KaxContentEncoding.h"
  86 #include "matroska/KaxVersion.h"
  87
  88 #include "ebml/StdIOCallback.h"
  89
  90 #if LIBMATROSKA_VERSION < 0x000706
  91 START_LIBMATROSKA_NAMESPACE
  92 extern const EbmlSemanticContext MATROSKA_DLL_API KaxMatroska_Context;
  93 END_LIBMATROSKA_NAMESPACE
  94 #endif
  95
  96 #include "vlc_keys.h"
  97
  98 extern "C" {
  99    #include "mp4/libmp4.h"
 100 }
 101 #ifdef HAVE_ZLIB_H
 102 #   include <zlib.h>
 103 #endif
 104
 105 #define MATROSKA_COMPRESSION_NONE  -1
 106 #define MATROSKA_COMPRESSION_ZLIB   0
 107 #define MATROSKA_COMPRESSION_BLIB   1
 108 #define MATROSKA_COMPRESSION_LZOX   2
 109 #define MATROSKA_COMPRESSION_HEADER 3
 110
 111 #define MKVD_TIMECODESCALE 1000000
 112
 113 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 114 #undef ATTRIBUTE_PACKED
 115 #undef PRAGMA_PACK_BEGIN
 116 #undef PRAGMA_PACK_END
 117
 118 #if defined(__GNUC__)
 119 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)
 120 #define ATTRIBUTE_PACKED __attribute__ ((packed))
 121 #define PRAGMA_PACK 0
 122 #endif
 123 #endif
 124
 125 #if !defined(ATTRIBUTE_PACKED)
 126 #define ATTRIBUTE_PACKED
 127 #define PRAGMA_PACK 1
 128 #endif
 129
 130 #if PRAGMA_PACK
 131 #pragma pack(1)
 132 #endif
 133
 134 /*************************************
 135 *  taken from libdvdnav / libdvdread
 136 **************************************/
 137
 138 /**
 139  * DVD Time Information.
 140  */
 141 typedef struct {
 142   uint8_t hour;
 143   uint8_t minute;
 144   uint8_t second;
 145   uint8_t frame_u; /* The two high bits are the frame rate. */
 146 } ATTRIBUTE_PACKED dvd_time_t;
 147
 148 /**
 149  * User Operations.
 150  */
 151 typedef struct {
 152 #ifdef WORDS_BIGENDIAN
 153   unsigned char zero                           : 7; /* 25-31 */
 154   unsigned char video_pres_mode_change         : 1; /* 24 */
 155
 156   unsigned char karaoke_audio_pres_mode_change : 1; /* 23 */
 157   unsigned char angle_change                   : 1;
 158   unsigned char subpic_stream_change           : 1;
 159   unsigned char audio_stream_change            : 1;
 160   unsigned char pause_on                       : 1;
 161   unsigned char still_off                      : 1;
 162   unsigned char button_select_or_activate      : 1;
 163   unsigned char resume                         : 1; /* 16 */
 164
 165   unsigned char chapter_menu_call              : 1; /* 15 */
 166   unsigned char angle_menu_call                : 1;
 167   unsigned char audio_menu_call                : 1;
 168   unsigned char subpic_menu_call               : 1;
 169   unsigned char root_menu_call                 : 1;
 170   unsigned char title_menu_call                : 1;
 171   unsigned char backward_scan                  : 1;
 172   unsigned char forward_scan                   : 1; /* 8 */
 173
 174   unsigned char next_pg_search                 : 1; /* 7 */
 175   unsigned char prev_or_top_pg_search          : 1;
 176   unsigned char time_or_chapter_search         : 1;
 177   unsigned char go_up                          : 1;
 178   unsigned char stop                           : 1;
 179   unsigned char title_play                     : 1;
 180   unsigned char chapter_search_or_play         : 1;
 181   unsigned char title_or_time_play             : 1; /* 0 */
 182 #else
 183   unsigned char video_pres_mode_change         : 1; /* 24 */
 184   unsigned char zero                           : 7; /* 25-31 */
 185
 186   unsigned char resume                         : 1; /* 16 */
 187   unsigned char button_select_or_activate      : 1;
 188   unsigned char still_off                      : 1;
 189   unsigned char pause_on                       : 1;
 190   unsigned char audio_stream_change            : 1;
 191   unsigned char subpic_stream_change           : 1;
 192   unsigned char angle_change                   : 1;
 193   unsigned char karaoke_audio_pres_mode_change : 1; /* 23 */
 194
 195   unsigned char forward_scan                   : 1; /* 8 */
 196   unsigned char backward_scan                  : 1;
 197   unsigned char title_menu_call                : 1;
 198   unsigned char root_menu_call                 : 1;
 199   unsigned char subpic_menu_call               : 1;
 200   unsigned char audio_menu_call                : 1;
 201   unsigned char angle_menu_call                : 1;
 202   unsigned char chapter_menu_call              : 1; /* 15 */
 203
 204   unsigned char title_or_time_play             : 1; /* 0 */
 205   unsigned char chapter_search_or_play         : 1;
 206   unsigned char title_play                     : 1;
 207   unsigned char stop                           : 1;
 208   unsigned char go_up                          : 1;
 209   unsigned char time_or_chapter_search         : 1;
 210   unsigned char prev_or_top_pg_search          : 1;
 211   unsigned char next_pg_search                 : 1; /* 7 */
 212 #endif
 213 } ATTRIBUTE_PACKED user_ops_t;
 214
 215 /**
 216  * Type to store per-command data.
 217  */
 218 typedef struct {
 219   uint8_t bytes[8];
 220 } ATTRIBUTE_PACKED vm_cmd_t;
 221 #define COMMAND_DATA_SIZE 8
 222
 223 /**
 224  * PCI General Information
 225  */
 226 typedef struct {
 227   uint32_t nv_pck_lbn;      /**< sector address of this nav pack */
 228   uint16_t vobu_cat;        /**< 'category' of vobu */
 229   uint16_t zero1;           /**< reserved */
 230   user_ops_t vobu_uop_ctl;  /**< UOP of vobu */
 231   uint32_t vobu_s_ptm;      /**< start presentation time of vobu */
 232   uint32_t vobu_e_ptm;      /**< end presentation time of vobu */
 233   uint32_t vobu_se_e_ptm;   /**< end ptm of sequence end in vobu */
 234   dvd_time_t e_eltm;        /**< Cell elapsed time */
 235   char vobu_isrc[32];
 236 } ATTRIBUTE_PACKED pci_gi_t;
 237
 238 /**
 239  * Non Seamless Angle Information
 240  */
 241 typedef struct {
 242   uint32_t nsml_agl_dsta[9];  /**< address of destination vobu in AGL_C#n */
 243 } ATTRIBUTE_PACKED nsml_agli_t;
 244
 245 /**
 246  * Highlight General Information
 247  *
 248  * For btngrX_dsp_ty the bits have the following meaning:
 249  * 000b: normal 4/3 only buttons
 250  * XX1b: wide (16/9) buttons
 251  * X1Xb: letterbox buttons
 252  * 1XXb: pan&scan buttons
 253  */
 254 typedef struct {
 255   uint16_t hli_ss; /**< status, only low 2 bits 0: no buttons, 1: different 2: equal 3: eual except for button cmds */
 256   uint32_t hli_s_ptm;              /**< start ptm of hli */
 257   uint32_t hli_e_ptm;              /**< end ptm of hli */
 258   uint32_t btn_se_e_ptm;           /**< end ptm of button select */
 259 #ifdef WORDS_BIGENDIAN
 260   unsigned char zero1 : 2;          /**< reserved */
 261   unsigned char btngr_ns : 2;       /**< number of button groups 1, 2 or 3 with 36/18/12 buttons */
 262   unsigned char zero2 : 1;          /**< reserved */
 263   unsigned char btngr1_dsp_ty : 3;  /**< display type of subpic stream for button group 1 */
 264   unsigned char zero3 : 1;          /**< reserved */
 265   unsigned char btngr2_dsp_ty : 3;  /**< display type of subpic stream for button group 2 */
 266   unsigned char zero4 : 1;          /**< reserved */
 267   unsigned char btngr3_dsp_ty : 3;  /**< display type of subpic stream for button group 3 */
 268 #else
 269   unsigned char btngr1_dsp_ty : 3;
 270   unsigned char zero2 : 1;
 271   unsigned char btngr_ns : 2;
 272   unsigned char zero1 : 2;
 273   unsigned char btngr3_dsp_ty : 3;
 274   unsigned char zero4 : 1;
 275   unsigned char btngr2_dsp_ty : 3;
 276   unsigned char zero3 : 1;
 277 #endif
 278   uint8_t btn_ofn;     /**< button offset number range 0-255 */
 279   uint8_t btn_ns;      /**< number of valid buttons  <= 36/18/12 (low 6 bits) */
 280   uint8_t nsl_btn_ns;  /**< number of buttons selectable by U_BTNNi (low 6 bits)   nsl_btn_ns <= btn_ns */
 281   uint8_t zero5;       /**< reserved */
 282   uint8_t fosl_btnn;   /**< forcedly selected button  (low 6 bits) */
 283   uint8_t foac_btnn;   /**< forcedly activated button (low 6 bits) */
 284 } ATTRIBUTE_PACKED hl_gi_t;
 285
 286
 287 /**
 288  * Button Color Information Table
 289  * Each entry beeing a 32bit word that contains the color indexs and alpha
 290  * values to use.  They are all represented by 4 bit number and stored
 291  * like this [Ci3, Ci2, Ci1, Ci0, A3, A2, A1, A0].   The actual palette
 292  * that the indexes reference is in the PGC.
 293  * \todo split the uint32_t into a struct
 294  */
 295 typedef struct {
 296   uint32_t btn_coli[3][2];  /**< [button color number-1][select:0/action:1] */
 297 } ATTRIBUTE_PACKED btn_colit_t;
 298
 299 /**
 300  * Button Information
 301  *
 302  * NOTE: I've had to change the structure from the disk layout to get
 303  * the packing to work with Sun's Forte C compiler.
 304  * The 4 and 7 bytes are 'rotated' was: ABC DEF GHIJ  is: ABCG DEFH IJ
 305  */
 306 typedef struct {
 307 #ifdef WORDS_BIGENDIAN
 308   uint32        btn_coln         : 2;  /**< button color number */
 309   uint32        x_start          : 10; /**< x start offset within the overlay */
 310   uint32        zero1            : 2;  /**< reserved */
 311   uint32        x_end            : 10; /**< x end offset within the overlay */
 312
 313   uint32        zero3            : 2;  /**< reserved */
 314   uint32        up               : 6;  /**< button index when pressing up */
 315
 316   uint32        auto_action_mode : 2;  /**< 0: no, 1: activated if selected */
 317   uint32        y_start          : 10; /**< y start offset within the overlay */
 318   uint32        zero2            : 2;  /**< reserved */
 319   uint32        y_end            : 10; /**< y end offset within the overlay */
 320
 321   uint32        zero4            : 2;  /**< reserved */
 322   uint32        down             : 6;  /**< button index when pressing down */
 323   unsigned char zero5            : 2;  /**< reserved */
 324   unsigned char left             : 6;  /**< button index when pressing left */
 325   unsigned char zero6            : 2;  /**< reserved */
 326   unsigned char right            : 6;  /**< button index when pressing right */
 327 #else
 328   uint32        x_end            : 10;
 329   uint32        zero1            : 2;
 330   uint32        x_start          : 10;
 331   uint32        btn_coln         : 2;
 332
 333   uint32        up               : 6;
 334   uint32        zero3            : 2;
 335
 336   uint32        y_end            : 10;
 337   uint32        zero2            : 2;
 338   uint32        y_start          : 10;
 339   uint32        auto_action_mode : 2;
 340
 341   uint32        down             : 6;
 342   uint32        zero4            : 2;
 343   unsigned char left             : 6;
 344   unsigned char zero5            : 2;
 345   unsigned char right            : 6;
 346   unsigned char zero6            : 2;
 347 #endif
 348   vm_cmd_t cmd;
 349 } ATTRIBUTE_PACKED btni_t;
 350
 351 /**
 352  * Highlight Information
 353  */
 354 typedef struct {
 355   hl_gi_t     hl_gi;
 356   btn_colit_t btn_colit;
 357   btni_t      btnit[36];
 358 } ATTRIBUTE_PACKED hli_t;
 359
 360 /**
 361  * PCI packet
 362  */
 363 typedef struct {
 364   pci_gi_t    pci_gi;
 365   nsml_agli_t nsml_agli;
 366   hli_t       hli;
 367   uint8_t     zero1[189];
 368 } ATTRIBUTE_PACKED pci_t;
 369
 370
 371 #if PRAGMA_PACK
 372 #pragma pack()
 373 #endif
 374 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 375
 376
 377 /**
 378  * What's between a directory and a filename?
 379  */
 380 #if defined( WIN32 )
 381     #define DIRECTORY_SEPARATOR '\\'
 382 #else
 383     #define DIRECTORY_SEPARATOR '/'
 384 #endif
 385
 386 using namespace LIBMATROSKA_NAMESPACE;
 387 using namespace std;
 388
 389 /*****************************************************************************
 390  * Module descriptor
 391  *****************************************************************************/
 392 static int  Open ( vlc_object_t * );
 393 static void Close( vlc_object_t * );
 394
 395 vlc_module_begin();
 396     set_shortname( "Matroska" );
 397     set_description( _("Matroska stream demuxer" ) );
 398     set_capability( "demux2", 50 );
 399     set_callbacks( Open, Close );
 400     set_category( CAT_INPUT );
 401     set_subcategory( SUBCAT_INPUT_DEMUX );
 402
 403     add_bool( "mkv-use-ordered-chapters", 1, NULL,
 404             N_("Ordered chapters"),
 405             N_("Play ordered chapters as specified in the segment."), VLC_TRUE );
 406
 407     add_bool( "mkv-use-chapter-codec", 1, NULL,
 408             N_("Chapter codecs"),
 409             N_("Use chapter codecs found in the segment."), VLC_TRUE );
 410
 411     add_bool( "mkv-preload-local-dir", 1, NULL,
 412             N_("Preload Directory"),
 413             N_("Preload matroska files from the same family in the same directory (not good for broken files)."), VLC_TRUE );
 414
 415     add_bool( "mkv-seek-percent", 0, NULL,
 416             N_("Seek based on percent not time"),
 417             N_("Seek based on percent not time."), VLC_TRUE );
 418
 419     add_bool( "mkv-use-dummy", 0, NULL,
 420             N_("Dummy Elements"),
 421             N_("Read and discard unknown EBML elements (not good for broken files)."), VLC_TRUE );
 422
 423     add_shortcut( "mka" );
 424     add_shortcut( "mkv" );
 425 vlc_module_end();
 426
 427 /*****************************************************************************
 428  * Local prototypes
 429  *****************************************************************************/
 430 #ifdef HAVE_ZLIB_H
 431 block_t *block_zlib_decompress( vlc_object_t *p_this, block_t *p_in_block ) {
 432     int result, dstsize, n;
 433     unsigned char *dst;
 434     block_t *p_block;
 435     z_stream d_stream;
 436
 437     d_stream.zalloc = (alloc_func)0;
 438     d_stream.zfree = (free_func)0;
 439     d_stream.opaque = (voidpf)0;
 440     result = inflateInit(&d_stream);
 441     if( result != Z_OK )
 442     {
 443         msg_Dbg( p_this, "inflateInit() failed. Result: %d", result );
 444         return NULL;
 445     }
 446
 447     d_stream.next_in = (Bytef *)p_in_block->p_buffer;
 448     d_stream.avail_in = p_in_block->i_buffer;
 449     n = 0;
 450     p_block = block_New( p_this, 0 );
 451     dst = NULL;
 452     do
 453     {
 454         n++;
 455         p_block = block_Realloc( p_block, 0, n * 1000 );
 456         dst = (unsigned char *)p_block->p_buffer;
 457         d_stream.next_out = (Bytef *)&dst[(n - 1) * 1000];
 458         d_stream.avail_out = 1000;
 459         result = inflate(&d_stream, Z_NO_FLUSH);
 460         if( ( result != Z_OK ) && ( result != Z_STREAM_END ) )
 461         {
 462             msg_Dbg( p_this, "Zlib decompression failed. Result: %d", result );
 463             return NULL;
 464         }
 465     }
 466     while( ( d_stream.avail_out == 0 ) && ( d_stream.avail_in != 0 ) &&
 467            ( result != Z_STREAM_END ) );
 468
 469     dstsize = d_stream.total_out;
 470     inflateEnd( &d_stream );
 471
 472     p_block = block_Realloc( p_block, 0, dstsize );
 473     p_block->i_buffer = dstsize;
 474     block_Release( p_in_block );
 475
 476     return p_block;
 477 }
 478 #endif
 479
 480 /**
 481  * Helper function to print the mkv parse tree
 482  */
 483 static void MkvTree( demux_t & demuxer, int i_level, const char *psz_format, ... )
 484 {
 485     va_list args;
 486     if( i_level > 9 )
 487     {
 488         msg_Err( &demuxer, "too deep tree" );
 489         return;
 490     }
 491     va_start( args, psz_format );
 492     static const char psz_foo[] = "|   |   |   |   |   |   |   |   |   |";
 493     char *psz_foo2 = (char*)malloc( ( i_level * 4 + 3 + strlen( psz_format ) ) * sizeof(char) );
 494     strncpy( psz_foo2, psz_foo, 4 * i_level );
 495     psz_foo2[ 4 * i_level ] = '+';
 496     psz_foo2[ 4 * i_level + 1 ] = ' ';
 497     strcpy( &psz_foo2[ 4 * i_level + 2 ], psz_format );
 498     __msg_GenericVa( VLC_OBJECT(&demuxer), MSG_QUEUE_NORMAL, VLC_MSG_DBG, "mkv", psz_foo2, args );
 499     free( psz_foo2 );
 500     va_end( args );
 501 }
 502
 503 /*****************************************************************************
 504  * Stream managment
 505  *****************************************************************************/
 506 class vlc_stream_io_callback: public IOCallback
 507 {
 508   private:
 509     stream_t       *s;
 510     vlc_bool_t     mb_eof;
 511     vlc_bool_t     b_owner;
 512
 513   public:
 514     vlc_stream_io_callback( stream_t *, vlc_bool_t );
 515
 516     virtual ~vlc_stream_io_callback()
 517     {
 518         if( b_owner )
 519             stream_Delete( s );
 520     }
 521
 522     virtual uint32   read            ( void *p_buffer, size_t i_size);
 523     virtual void     setFilePointer  ( int64_t i_offset, seek_mode mode = seek_beginning );
 524     virtual size_t   write           ( const void *p_buffer, size_t i_size);
 525     virtual uint64   getFilePointer  ( void );
 526     virtual void     close           ( void );
 527 };
 528
 529 /*****************************************************************************
 530  * Ebml Stream parser
 531  *****************************************************************************/
 532 class EbmlParser
 533 {
 534   public:
 535     EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux );
 536     virtual ~EbmlParser( void );
 537
 538     void Up( void );
 539     void Down( void );
 540     void Reset( demux_t *p_demux );
 541     EbmlElement *Get( void );
 542     void        Keep( void );
 543     EbmlElement *UnGet( uint64 i_block_pos, uint64 i_cluster_pos );
 544
 545     int GetLevel( void );
 546
 547   private:
 548     EbmlStream  *m_es;
 549     int         mi_level;
 550     EbmlElement *m_el[10];
 551     int64_t      mi_remain_size[10];
 552
 553     EbmlElement *m_got;
 554
 555     int         mi_user_level;
 556     vlc_bool_t  mb_keep;
 557     vlc_bool_t  mb_dummy;
 558 };
 559
 560
 561 /*****************************************************************************
 562  * Some functions to manipulate memory
 563  *****************************************************************************/
 564 #define GetFOURCC( p )  __GetFOURCC( (uint8_t*)p )
 565 static vlc_fourcc_t __GetFOURCC( uint8_t *p )
 566 {
 567     return VLC_FOURCC( p[0], p[1], p[2], p[3] );
 568 }
 569
 570 /*****************************************************************************
 571  * definitions of structures and functions used by this plugins
 572  *****************************************************************************/
 573 typedef struct
 574 {
 575 //    ~mkv_track_t();
 576
 577     vlc_bool_t   b_default;
 578     vlc_bool_t   b_enabled;
 579     unsigned int i_number;
 580
 581     int          i_extra_data;
 582     uint8_t      *p_extra_data;
 583
 584     char         *psz_codec;
 585
 586     uint64_t     i_default_duration;
 587     float        f_timecodescale;
 588     mtime_t      i_last_dts;
 589
 590     /* video */
 591     es_format_t fmt;
 592     float       f_fps;
 593     es_out_id_t *p_es;
 594
 595     /* audio */
 596     unsigned int i_original_rate;
 597
 598     vlc_bool_t      b_inited;
 599     /* data to be send first */
 600     int             i_data_init;
 601     uint8_t         *p_data_init;
 602
 603     /* hack : it's for seek */
 604     vlc_bool_t      b_search_keyframe;
 605     vlc_bool_t      b_silent;
 606
 607     /* informative */
 608     const char   *psz_codec_name;
 609     const char   *psz_codec_settings;
 610     const char   *psz_codec_info_url;
 611     const char   *psz_codec_download_url;
 612
 613     /* encryption/compression */
 614     int                    i_compression_type;
 615     KaxContentCompSettings *p_compression_data;
 616
 617 } mkv_track_t;
 618
 619 typedef struct
 620 {
 621     int     i_track;
 622     int     i_block_number;
 623
 624     int64_t i_position;
 625     int64_t i_time;
 626
 627     vlc_bool_t b_key;
 628 } mkv_index_t;
 629
 630 class demux_sys_t;
 631
 632 const binary MATROSKA_DVD_LEVEL_SS   = 0x30;
 633 const binary MATROSKA_DVD_LEVEL_LU   = 0x2A;
 634 const binary MATROSKA_DVD_LEVEL_TT   = 0x28;
 635 const binary MATROSKA_DVD_LEVEL_PGC  = 0x20;
 636 const binary MATROSKA_DVD_LEVEL_PG   = 0x18;
 637 const binary MATROSKA_DVD_LEVEL_PTT  = 0x10;
 638 const binary MATROSKA_DVD_LEVEL_CN   = 0x08;
 639
 640 class chapter_codec_cmds_c
 641 {
 642 public:
 643     chapter_codec_cmds_c( demux_sys_t & demuxer, int codec_id = -1)
 644     :p_private_data(NULL)
 645     ,i_codec_id( codec_id )
 646     ,sys( demuxer )
 647     {}
 648
 649     virtual ~chapter_codec_cmds_c()
 650     {
 651         delete p_private_data;
 652         std::vector<KaxChapterProcessData*>::iterator indexe = enter_cmds.begin();
 653         while ( indexe != enter_cmds.end() )
 654         {
 655             delete (*indexe);
 656             indexe++;
 657         }
 658         std::vector<KaxChapterProcessData*>::iterator indexl = leave_cmds.begin();
 659         while ( indexl != leave_cmds.end() )
 660         {
 661             delete (*indexl);
 662             indexl++;
 663         }
 664         std::vector<KaxChapterProcessData*>::iterator indexd = during_cmds.begin();
 665         while ( indexd != during_cmds.end() )
 666         {
 667             delete (*indexd);
 668             indexd++;
 669         }
 670     }
 671
 672     void SetPrivate( const KaxChapterProcessPrivate & private_data )
 673     {
 674         p_private_data = new KaxChapterProcessPrivate( private_data );
 675     }
 676
 677     void AddCommand( const KaxChapterProcessCommand & command );
 678
 679     /// \return wether the codec has seeked in the files or not
 680     virtual bool Enter() { return false; }
 681     virtual bool Leave() { return false; }
 682     virtual std::string GetCodecName( bool f_for_title = false ) const { return ""; }
 683     virtual int16 GetTitleNumber() { return -1; }
 684
 685     KaxChapterProcessPrivate *p_private_data;
 686
 687 protected:
 688     std::vector<KaxChapterProcessData*> enter_cmds;
 689     std::vector<KaxChapterProcessData*> during_cmds;
 690     std::vector<KaxChapterProcessData*> leave_cmds;
 691
 692     int i_codec_id;
 693     demux_sys_t & sys;
 694 };
 695
 696 class dvd_command_interpretor_c
 697 {
 698 public:
 699     dvd_command_interpretor_c( demux_sys_t & demuxer )
 700     :sys( demuxer )
 701     {
 702         memset( p_PRMs, 0, sizeof(p_PRMs) );
 703         p_PRMs[ 0x80 + 1 ] = 15;
 704         p_PRMs[ 0x80 + 2 ] = 62;
 705         p_PRMs[ 0x80 + 3 ] = 1;
 706         p_PRMs[ 0x80 + 4 ] = 1;
 707         p_PRMs[ 0x80 + 7 ] = 1;
 708         p_PRMs[ 0x80 + 8 ] = 1;
 709         p_PRMs[ 0x80 + 16 ] = 0xFFFFu;
 710         p_PRMs[ 0x80 + 18 ] = 0xFFFFu;
 711     }
 712
 713     bool Interpret( const binary * p_command, size_t i_size = 8 );
 714
 715     uint16 GetPRM( size_t index ) const
 716     {
 717         if ( index < 256 )
 718             return p_PRMs[ index ];
 719         else return 0;
 720     }
 721
 722     uint16 GetGPRM( size_t index ) const
 723     {
 724         if ( index >= 0 && index < 16 )
 725             return p_PRMs[ index ];
 726         else return 0;
 727     }
 728
 729     uint16 GetSPRM( size_t index ) const
 730     {
 731         // 21,22,23 reserved for future use
 732         if ( index >= 0x80 && index < 0x95 )
 733             return p_PRMs[ index ];
 734         else return 0;
 735     }
 736
 737     bool SetPRM( size_t index, uint16 value )
 738     {
 739         if ( index >= 0 && index < 16 )
 740         {
 741             p_PRMs[ index ] = value;
 742             return true;
 743         }
 744         return false;
 745     }
 746
 747     bool SetGPRM( size_t index, uint16 value )
 748     {
 749         if ( index >= 0 && index < 16 )
 750         {
 751             p_PRMs[ index ] = value;
 752             return true;
 753         }
 754         return false;
 755     }
 756
 757     bool SetSPRM( size_t index, uint16 value )
 758     {
 759         if ( index > 0x80 && index <= 0x8D && index != 0x8C )
 760         {
 761             p_PRMs[ index ] = value;
 762             return true;
 763         }
 764         return false;
 765     }
 766
 767 protected:
 768     std::string GetRegTypeName( bool b_value, uint16 value ) const
 769     {
 770         std::string result;
 771         char s_value[6], s_reg_value[6];
 772         sprintf( s_value, "%.5d", value );
 773
 774         if ( b_value )
 775         {
 776             result = "value (";
 777             result += s_value;
 778             result += ")";
 779         }
 780         else if ( value < 0x80 )
 781         {
 782             sprintf( s_reg_value, "%.5d", GetPRM( value ) );
 783             result = "GPreg[";
 784             result += s_value;
 785             result += "] (";
 786             result += s_reg_value;
 787             result += ")";
 788         }
 789         else
 790         {
 791             sprintf( s_reg_value, "%.5d", GetPRM( value ) );
 792             result = "SPreg[";
 793             result += s_value;
 794             result += "] (";
 795             result += s_reg_value;
 796             result += ")";
 797         }
 798         return result;
 799     }
 800
 801     uint16       p_PRMs[256];
 802     demux_sys_t  & sys;
 803
 804     // DVD command IDs
 805
 806     // Tests
 807     // wether it's a comparison on the value or register
 808     static const uint16 CMD_DVD_TEST_VALUE          = 0x80;
 809     static const uint16 CMD_DVD_IF_GPREG_AND        = (1 << 4);
 810     static const uint16 CMD_DVD_IF_GPREG_EQUAL      = (2 << 4);
 811     static const uint16 CMD_DVD_IF_GPREG_NOT_EQUAL  = (3 << 4);
 812     static const uint16 CMD_DVD_IF_GPREG_SUP_EQUAL  = (4 << 4);
 813     static const uint16 CMD_DVD_IF_GPREG_SUP        = (5 << 4);
 814     static const uint16 CMD_DVD_IF_GPREG_INF_EQUAL  = (6 << 4);
 815     static const uint16 CMD_DVD_IF_GPREG_INF        = (7 << 4);
 816
 817     static const uint16 CMD_DVD_NOP                    = 0x0000;
 818     static const uint16 CMD_DVD_GOTO_LINE              = 0x0001;
 819     static const uint16 CMD_DVD_BREAK                  = 0x0002;
 820     // Links
 821     static const uint16 CMD_DVD_NOP2                   = 0x2001;
 822     static const uint16 CMD_DVD_LINKPGCN               = 0x2004;
 823     static const uint16 CMD_DVD_LINKPGN                = 0x2006;
 824     static const uint16 CMD_DVD_LINKCN                 = 0x2007;
 825     static const uint16 CMD_DVD_JUMP_TT                = 0x3002;
 826     static const uint16 CMD_DVD_JUMPVTS_TT             = 0x3003;
 827     static const uint16 CMD_DVD_JUMPVTS_PTT            = 0x3005;
 828     static const uint16 CMD_DVD_JUMP_SS                = 0x3006;
 829     static const uint16 CMD_DVD_CALLSS_VTSM1           = 0x3008;
 830     //
 831     static const uint16 CMD_DVD_SET_HL_BTNN2           = 0x4600;
 832     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN1  = 0x4604;
 833     static const uint16 CMD_DVD_SET_STREAM             = 0x5100;
 834     static const uint16 CMD_DVD_SET_GPRMMD             = 0x5300;
 835     static const uint16 CMD_DVD_SET_HL_BTNN1           = 0x5600;
 836     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN2  = 0x5604;
 837     static const uint16 CMD_DVD_SET_HL_BTNN_LINKCN     = 0x5607;
 838     // Operations
 839     static const uint16 CMD_DVD_MOV_SPREG_PREG         = 0x6100;
 840     static const uint16 CMD_DVD_GPREG_MOV_VALUE        = 0x7100;
 841     static const uint16 CMD_DVD_SUB_GPREG              = 0x7400;
 842     static const uint16 CMD_DVD_MULT_GPREG             = 0x7500;
 843     static const uint16 CMD_DVD_GPREG_DIV_VALUE        = 0x7600;
 844     static const uint16 CMD_DVD_GPREG_AND_VALUE        = 0x7900;
 845
 846     // callbacks when browsing inside CodecPrivate
 847     static bool MatchIsDomain     ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 848     static bool MatchIsVMG        ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 849     static bool MatchVTSNumber    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 850     static bool MatchVTSMNumber   ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 851     static bool MatchTitleNumber  ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 852     static bool MatchPgcType      ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 853     static bool MatchPgcNumber    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 854     static bool MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 855     static bool MatchCellNumber   ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 856 };
 857
 858 class dvd_chapter_codec_c : public chapter_codec_cmds_c
 859 {
 860 public:
 861     dvd_chapter_codec_c( demux_sys_t & sys )
 862     :chapter_codec_cmds_c( sys, 1 )
 863     {}
 864
 865     bool Enter();
 866     bool Leave();
 867     std::string GetCodecName( bool f_for_title = false ) const;
 868     int16 GetTitleNumber();
 869 };
 870
 871 class matroska_script_interpretor_c
 872 {
 873 public:
 874     matroska_script_interpretor_c( demux_sys_t & demuxer )
 875     :sys( demuxer )
 876     {}
 877
 878     bool Interpret( const binary * p_command, size_t i_size );
 879
 880     // DVD command IDs
 881     static const std::string CMD_MS_GOTO_AND_PLAY;
 882
 883 protected:
 884     demux_sys_t  & sys;
 885 };
 886
 887 const std::string matroska_script_interpretor_c::CMD_MS_GOTO_AND_PLAY = "GotoAndPlay";
 888
 889
 890 class matroska_script_codec_c : public chapter_codec_cmds_c
 891 {
 892 public:
 893     matroska_script_codec_c( demux_sys_t & sys )
 894     :chapter_codec_cmds_c( sys, 0 )
 895     ,interpretor( sys )
 896     {}
 897
 898     bool Enter();
 899     bool Leave();
 900
 901 protected:
 902     matroska_script_interpretor_c interpretor;
 903 };
 904
 905 class chapter_translation_c
 906 {
 907 public:
 908     chapter_translation_c()
 909         :p_translated(NULL)
 910     {}
 911
 912     ~chapter_translation_c()
 913     {
 914         delete p_translated;
 915     }
 916
 917     KaxChapterTranslateID  *p_translated;
 918     unsigned int           codec_id;
 919     std::vector<uint64_t>  editions;
 920 };
 921
 922 class chapter_item_c
 923 {
 924 public:
 925     chapter_item_c()
 926     :i_start_time(0)
 927     ,i_end_time(-1)
 928     ,i_user_start_time(-1)
 929     ,i_user_end_time(-1)
 930     ,i_seekpoint_num(-1)
 931     ,b_display_seekpoint(true)
 932     ,b_user_display(false)
 933     ,psz_parent(NULL)
 934     ,b_is_leaving(false)
 935     {}
 936
 937     virtual ~chapter_item_c()
 938     {
 939         std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
 940         while ( index != codecs.end() )
 941         {
 942             delete (*index);
 943             index++;
 944         }
 945         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
 946         while ( index_ != sub_chapters.end() )
 947         {
 948             delete (*index_);
 949             index_++;
 950         }
 951     }
 952
 953     int64_t RefreshChapters( bool b_ordered, int64_t i_prev_user_time );
 954     int PublishChapters( input_title_t & title, int & i_user_chapters, int i_level = 0 );
 955     virtual chapter_item_c * FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current, bool & b_found );
 956     void Append( const chapter_item_c & edition );
 957     chapter_item_c * FindChapter( int64_t i_find_uid );
 958     virtual chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
 959                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
 960                                     const void *p_cookie,
 961                                     size_t i_cookie_size );
 962     std::string                 GetCodecName( bool f_for_title = false ) const;
 963     bool                        ParentOf( const chapter_item_c & item ) const;
 964     int16                       GetTitleNumber( ) const;
 965
 966     int64_t                     i_start_time, i_end_time;
 967     int64_t                     i_user_start_time, i_user_end_time; /* the time in the stream when an edition is ordered */
 968     std::vector<chapter_item_c*> sub_chapters;
 969     int                         i_seekpoint_num;
 970     int64_t                     i_uid;
 971     bool                        b_display_seekpoint;
 972     bool                        b_user_display;
 973     std::string                 psz_name;
 974     chapter_item_c              *psz_parent;
 975     bool                        b_is_leaving;
 976
 977     std::vector<chapter_codec_cmds_c*> codecs;
 978
 979     static bool CompareTimecode( const chapter_item_c * itemA, const chapter_item_c * itemB )
 980     {
 981         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) );
 982     }
 983
 984     bool Enter( bool b_do_subchapters );
 985     bool Leave( bool b_do_subchapters );
 986     bool EnterAndLeave( chapter_item_c *p_item, bool b_enter = true );
 987 };
 988
 989 class chapter_edition_c : public chapter_item_c
 990 {
 991 public:
 992     chapter_edition_c()
 993     :b_ordered(false)
 994     {}
 995
 996     void RefreshChapters( );
 997     mtime_t Duration() const;
 998     std::string GetMainName() const;
 999     chapter_item_c * FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current );
1000
1001     bool                        b_ordered;
1002 };
1003
1004 class matroska_segment_c
1005 {
1006 public:
1007     matroska_segment_c( demux_sys_t & demuxer, EbmlStream & estream )
1008         :segment(NULL)
1009         ,es(estream)
1010         ,i_timescale(MKVD_TIMECODESCALE)
1011         ,i_duration(-1)
1012         ,i_start_time(0)
1013         ,i_cues_position(-1)
1014         ,i_chapters_position(-1)
1015         ,i_tags_position(-1)
1016         ,cluster(NULL)
1017         ,i_block_pos(0)
1018         ,i_cluster_pos(0)
1019         ,i_start_pos(0)
1020         ,p_segment_uid(NULL)
1021         ,p_prev_segment_uid(NULL)
1022         ,p_next_segment_uid(NULL)
1023         ,b_cues(VLC_FALSE)
1024         ,i_index(0)
1025         ,i_index_max(1024)
1026         ,psz_muxing_application(NULL)
1027         ,psz_writing_application(NULL)
1028         ,psz_segment_filename(NULL)
1029         ,psz_title(NULL)
1030         ,psz_date_utc(NULL)
1031         ,i_default_edition(0)
1032         ,sys(demuxer)
1033         ,ep(NULL)
1034         ,b_preloaded(false)
1035     {
1036         p_indexes = (mkv_index_t*)malloc( sizeof( mkv_index_t ) * i_index_max );
1037     }
1038
1039     virtual ~matroska_segment_c()
1040     {
1041         for( size_t i_track = 0; i_track < tracks.size(); i_track++ )
1042         {
1043             if ( tracks[i_track]->p_compression_data )
1044             {
1045                 delete tracks[i_track]->p_compression_data;
1046             }
1047             es_format_Clean( &tracks[i_track]->fmt );
1048             if( tracks[i_track]->p_extra_data )
1049                 free( tracks[i_track]->p_extra_data );
1050             if( tracks[i_track]->psz_codec )
1051                 free( tracks[i_track]->psz_codec );
1052             delete tracks[i_track];
1053         }
1054
1055         if( psz_writing_application )
1056         {
1057             free( psz_writing_application );
1058         }
1059         if( psz_muxing_application )
1060         {
1061             free( psz_muxing_application );
1062         }
1063         if( psz_segment_filename )
1064         {
1065             free( psz_segment_filename );
1066         }
1067         if( psz_title )
1068         {
1069             free( psz_title );
1070         }
1071         if( psz_date_utc )
1072         {
1073             free( psz_date_utc );
1074         }
1075         if ( p_indexes )
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     int64_t                 i_cues_position;
1119     int64_t                 i_chapters_position;
1120     int64_t                 i_tags_position;
1121
1122     KaxCluster              *cluster;
1123     uint64                  i_block_pos;
1124     uint64                  i_cluster_pos;
1125     int64_t                 i_start_pos;
1126     KaxSegmentUID           *p_segment_uid;
1127     KaxPrevUID              *p_prev_segment_uid;
1128     KaxNextUID              *p_next_segment_uid;
1129
1130     vlc_bool_t              b_cues;
1131     int                     i_index;
1132     int                     i_index_max;
1133     mkv_index_t             *p_indexes;
1134
1135     /* info */
1136     char                    *psz_muxing_application;
1137     char                    *psz_writing_application;
1138     char                    *psz_segment_filename;
1139     char                    *psz_title;
1140     char                    *psz_date_utc;
1141
1142     /* !!!!! GCC 3.3 bug on Darwin !!!!! */
1143     /* when you remove this variable the compiler issues an atomicity error */
1144     /* this variable only works when using std::vector<chapter_edition_c> */
1145     std::vector<chapter_edition_c*> stored_editions;
1146     int                             i_default_edition;
1147
1148     std::vector<chapter_translation_c*> translations;
1149     std::vector<KaxSegmentFamily*>  families;
1150
1151     demux_sys_t                    & sys;
1152     EbmlParser                     *ep;
1153     bool                           b_preloaded;
1154
1155     bool Preload( );
1156     bool PreloadFamily( const matroska_segment_c & segment );
1157     void ParseInfo( KaxInfo *info );
1158     void ParseAttachments( KaxAttachments *attachments );
1159     void ParseChapters( KaxChapters *chapters );
1160     void ParseSeekHead( KaxSeekHead *seekhead );
1161     void ParseTracks( KaxTracks *tracks );
1162     void ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters );
1163     void ParseTrackEntry( KaxTrackEntry *m );
1164     void ParseCluster( );
1165     void IndexAppendCluster( KaxCluster *cluster );
1166     void LoadCues( );
1167     void LoadTags( );
1168     void InformationCreate( );
1169     void Seek( mtime_t i_date, mtime_t i_time_offset );
1170 #if LIBMATROSKA_VERSION >= 0x000800
1171     int BlockGet( KaxBlock * &, KaxSimpleBlock * &, int64_t *, int64_t *, int64_t *);
1172 #else
1173     int BlockGet( KaxBlock * &, int64_t *, int64_t *, int64_t *);
1174 #endif
1175     bool Select( mtime_t i_start_time );
1176     void UnSelect( );
1177
1178     static bool CompareSegmentUIDs( const matroska_segment_c * item_a, const matroska_segment_c * item_b );
1179 };
1180
1181 // class holding hard-linked segment together in the playback order
1182 class virtual_segment_c
1183 {
1184 public:
1185     virtual_segment_c( matroska_segment_c *p_segment )
1186         :p_editions(NULL)
1187         ,i_sys_title(0)
1188         ,i_current_segment(0)
1189         ,i_current_edition(-1)
1190         ,psz_current_chapter(NULL)
1191     {
1192         linked_segments.push_back( p_segment );
1193
1194         AppendUID( p_segment->p_segment_uid );
1195         AppendUID( p_segment->p_prev_segment_uid );
1196         AppendUID( p_segment->p_next_segment_uid );
1197     }
1198
1199     void Sort();
1200     size_t AddSegment( matroska_segment_c *p_segment );
1201     void PreloadLinked( );
1202     mtime_t Duration( ) const;
1203     void LoadCues( );
1204     void Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter );
1205
1206     inline chapter_edition_c *Edition()
1207     {
1208         if ( i_current_edition >= 0 && size_t(i_current_edition) < p_editions->size() )
1209             return (*p_editions)[i_current_edition];
1210         return NULL;
1211     }
1212
1213     matroska_segment_c * Segment() const
1214     {
1215         if ( linked_segments.size() == 0 || i_current_segment >= linked_segments.size() )
1216             return NULL;
1217         return linked_segments[i_current_segment];
1218     }
1219
1220     inline chapter_item_c *CurrentChapter() {
1221         return psz_current_chapter;
1222     }
1223
1224     bool SelectNext()
1225     {
1226         if ( i_current_segment < linked_segments.size()-1 )
1227         {
1228             i_current_segment++;
1229             return true;
1230         }
1231         return false;
1232     }
1233
1234     bool FindUID( KaxSegmentUID & uid ) const
1235     {
1236         for ( size_t i=0; i<linked_uids.size(); i++ )
1237         {
1238             if ( linked_uids[i] == uid )
1239                 return true;
1240         }
1241         return false;
1242     }
1243
1244     bool UpdateCurrentToChapter( demux_t & demux );
1245     void PrepareChapters( );
1246
1247     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
1248                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
1249                                         const void *p_cookie,
1250                                         size_t i_cookie_size );
1251     chapter_item_c *FindChapter( int64_t i_find_uid );
1252
1253     std::vector<chapter_edition_c*>  *p_editions;
1254     int                              i_sys_title;
1255
1256 protected:
1257     std::vector<matroska_segment_c*> linked_segments;
1258     std::vector<KaxSegmentUID>       linked_uids;
1259     size_t                           i_current_segment;
1260
1261     int                              i_current_edition;
1262     chapter_item_c                   *psz_current_chapter;
1263
1264     void                             AppendUID( const EbmlBinary * UID );
1265 };
1266
1267 class matroska_stream_c
1268 {
1269 public:
1270     matroska_stream_c( demux_sys_t & demuxer )
1271         :p_in(NULL)
1272         ,p_es(NULL)
1273         ,sys(demuxer)
1274     {}
1275
1276     virtual ~matroska_stream_c()
1277     {
1278         delete p_in;
1279         delete p_es;
1280     }
1281
1282     IOCallback         *p_in;
1283     EbmlStream         *p_es;
1284
1285     std::vector<matroska_segment_c*> segments;
1286
1287     demux_sys_t                      & sys;
1288 };
1289
1290 typedef struct
1291 {
1292     VLC_COMMON_MEMBERS
1293
1294     demux_t        *p_demux;
1295     vlc_mutex_t     lock;
1296
1297     vlc_bool_t      b_moved;
1298     vlc_bool_t      b_clicked;
1299     vlc_bool_t      b_key;
1300
1301 } event_thread_t;
1302
1303
1304 class attachment_c
1305 {
1306 public:
1307     attachment_c()
1308         :p_data(NULL)
1309         ,i_size(0)
1310     {}
1311     virtual ~attachment_c()
1312     {
1313         if( p_data ) free( p_data );
1314     }
1315
1316     std::string    psz_file_name;
1317     std::string    psz_mime_type;
1318     void          *p_data;
1319     int            i_size;
1320 };
1321
1322 class demux_sys_t
1323 {
1324 public:
1325     demux_sys_t( demux_t & demux )
1326         :demuxer(demux)
1327         ,i_pts(0)
1328         ,i_start_pts(0)
1329         ,i_chapter_time(0)
1330         ,meta(NULL)
1331         ,i_current_title(0)
1332         ,p_current_segment(NULL)
1333         ,dvd_interpretor( *this )
1334         ,f_duration(-1.0)
1335         ,b_ui_hooked(false)
1336         ,p_input(NULL)
1337         ,b_pci_packet_set(false)
1338         ,p_ev(NULL)
1339     {
1340         vlc_mutex_init( &demuxer, &lock_demuxer );
1341     }
1342
1343     virtual ~demux_sys_t()
1344     {
1345         StopUiThread();
1346         size_t i;
1347         for ( i=0; i<streams.size(); i++ )
1348             delete streams[i];
1349         for ( i=0; i<opened_segments.size(); i++ )
1350             delete opened_segments[i];
1351         for ( i=0; i<used_segments.size(); i++ )
1352             delete used_segments[i];
1353         for ( i=0; i<stored_attachments.size(); i++ )
1354             delete stored_attachments[i];
1355         if( meta ) vlc_meta_Delete( meta );
1356
1357         while( titles.size() )
1358         { vlc_input_title_Delete( titles.back() ); titles.pop_back();}
1359
1360         vlc_mutex_destroy( &lock_demuxer );
1361     }
1362
1363     /* current data */
1364     demux_t                 & demuxer;
1365
1366     mtime_t                 i_pts;
1367     mtime_t                 i_start_pts;
1368     mtime_t                 i_chapter_time;
1369
1370     vlc_meta_t              *meta;
1371
1372     std::vector<input_title_t*>      titles; // matroska editions
1373     size_t                           i_current_title;
1374
1375     std::vector<matroska_stream_c*>  streams;
1376     std::vector<attachment_c*>       stored_attachments;
1377     std::vector<matroska_segment_c*> opened_segments;
1378     std::vector<virtual_segment_c*>  used_segments;
1379     virtual_segment_c                *p_current_segment;
1380
1381     dvd_command_interpretor_c        dvd_interpretor;
1382
1383     /* duration of the stream */
1384     float                   f_duration;
1385
1386     matroska_segment_c *FindSegment( const EbmlBinary & uid ) const;
1387     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
1388                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
1389                                         const void *p_cookie,
1390                                         size_t i_cookie_size,
1391                                         virtual_segment_c * & p_segment_found );
1392     chapter_item_c *FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found );
1393
1394     void PreloadFamily( const matroska_segment_c & of_segment );
1395     void PreloadLinked( matroska_segment_c *p_segment );
1396     bool PreparePlayback( virtual_segment_c *p_new_segment );
1397     matroska_stream_c *AnalyseAllSegmentsFound( demux_t *p_demux, EbmlStream *p_estream, bool b_initial = false );
1398     void JumpTo( virtual_segment_c & p_segment, chapter_item_c * p_chapter );
1399
1400     void StartUiThread();
1401     void StopUiThread();
1402     bool b_ui_hooked;
1403     inline void SwapButtons();
1404
1405     /* for spu variables */
1406     input_thread_t *p_input;
1407     pci_t          pci_packet;
1408     bool           b_pci_packet_set;
1409     uint8_t        palette[4][4];
1410     vlc_mutex_t    lock_demuxer;
1411
1412     /* event */
1413     event_thread_t *p_ev;
1414     static int EventThread( vlc_object_t *p_this );
1415     static int EventMouse( vlc_object_t *p_this, char const *psz_var,
1416                        vlc_value_t oldval, vlc_value_t newval, void *p_data );
1417     static int EventKey( vlc_object_t *p_this, char const *psz_var,
1418                      vlc_value_t oldval, vlc_value_t newval, void *p_data );
1419
1420
1421
1422 protected:
1423     virtual_segment_c *VirtualFromSegments( matroska_segment_c *p_segment ) const;
1424     bool IsUsedSegment( matroska_segment_c &p_segment ) const;
1425 };
1426
1427 static int  Demux  ( demux_t * );
1428 static int  Control( demux_t *, int, va_list );
1429 static void Seek   ( demux_t *, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter );
1430
1431 #define MKV_IS_ID( el, C ) ( EbmlId( (*el) ) == C::ClassInfos.GlobalId )
1432
1433 static inline char * ToUTF8( const UTFstring &u )
1434 {
1435     return strdup( u.GetUTF8().c_str() );
1436 }
1437
1438 /*****************************************************************************
1439  * Open: initializes matroska demux structures
1440  *****************************************************************************/
1441 static int Open( vlc_object_t * p_this )
1442 {
1443     demux_t            *p_demux = (demux_t*)p_this;
1444     demux_sys_t        *p_sys;
1445     matroska_stream_c  *p_stream;
1446     matroska_segment_c *p_segment;
1447     uint8_t            *p_peek;
1448     std::string        s_path, s_filename;
1449     vlc_stream_io_callback *p_io_callback;
1450     EbmlStream         *p_io_stream;
1451
1452     /* peek the begining */
1453     if( stream_Peek( p_demux->s, &p_peek, 4 ) < 4 ) return VLC_EGENERIC;
1454
1455     /* is a valid file */
1456     if( p_peek[0] != 0x1a || p_peek[1] != 0x45 ||
1457         p_peek[2] != 0xdf || p_peek[3] != 0xa3 ) return VLC_EGENERIC;
1458
1459     /* Set the demux function */
1460     p_demux->pf_demux   = Demux;
1461     p_demux->pf_control = Control;
1462     p_demux->p_sys      = p_sys = new demux_sys_t( *p_demux );
1463
1464     p_io_callback = new vlc_stream_io_callback( p_demux->s, VLC_FALSE );
1465     p_io_stream = new EbmlStream( *p_io_callback );
1466
1467     if( p_io_stream == NULL )
1468     {
1469         msg_Err( p_demux, "failed to create EbmlStream" );
1470         delete p_io_callback;
1471         delete p_sys;
1472         return VLC_EGENERIC;
1473     }
1474
1475     p_stream = p_sys->AnalyseAllSegmentsFound( p_demux, p_io_stream, true );
1476     if( p_stream == NULL )
1477     {
1478         msg_Err( p_demux, "cannot find KaxSegment" );
1479         goto error;
1480     }
1481     p_sys->streams.push_back( p_stream );
1482
1483     p_stream->p_in = p_io_callback;
1484     p_stream->p_es = p_io_stream;
1485
1486     for (size_t i=0; i<p_stream->segments.size(); i++)
1487     {
1488         p_stream->segments[i]->Preload();
1489     }
1490
1491     p_segment = p_stream->segments[0];
1492     if( p_segment->cluster != NULL )
1493     {
1494         msg_Warn( p_demux, "cannot find any cluster, damaged file ?" );
1495
1496         // reset the stream reading to the first cluster of the segment used
1497         p_stream->p_in->setFilePointer( p_segment->cluster->GetElementPosition() );
1498     }
1499
1500     if (config_GetInt( p_demux, "mkv-preload-local-dir" ))
1501     {
1502         /* get the files from the same dir from the same family (based on p_demux->psz_path) */
1503         if (p_demux->psz_path[0] != '\0' && !strcmp(p_demux->psz_access, ""))
1504         {
1505             // assume it's a regular file
1506             // get the directory path
1507             s_path = p_demux->psz_path;
1508             if (s_path.at(s_path.length() - 1) == DIRECTORY_SEPARATOR)
1509             {
1510                 s_path = s_path.substr(0,s_path.length()-1);
1511             }
1512             else
1513             {
1514                 if (s_path.find_last_of(DIRECTORY_SEPARATOR) > 0)
1515                 {
1516                     s_path = s_path.substr(0,s_path.find_last_of(DIRECTORY_SEPARATOR));
1517                 }
1518             }
1519
1520             DIR *p_src_dir = utf8_opendir(s_path.c_str());
1521
1522             if (p_src_dir != NULL)
1523             {
1524                 char *psz_file;
1525                 while ((psz_file = utf8_readdir(p_src_dir)) != NULL)
1526                 {
1527                     if (strlen(psz_file) > 4)
1528                     {
1529                         s_filename = s_path + DIRECTORY_SEPARATOR + psz_file;
1530
1531 #ifdef WIN32
1532                         if (!strcasecmp(s_filename.c_str(), p_demux->psz_path))
1533 #else
1534                         if (!s_filename.compare(p_demux->psz_path))
1535 #endif
1536                             continue; // don't reuse the original opened file
1537
1538 #if defined(__GNUC__) && (__GNUC__ < 3)
1539                         if (!s_filename.compare("mkv", s_filename.length() - 3, 3) ||
1540                             !s_filename.compare("mka", s_filename.length() - 3, 3))
1541 #else
1542                         if (!s_filename.compare(s_filename.length() - 3, 3, "mkv") ||
1543                             !s_filename.compare(s_filename.length() - 3, 3, "mka"))
1544 #endif
1545                         {
1546                             // test wether this file belongs to our family
1547                             uint8_t *p_peek;
1548                             bool file_ok = false;
1549                             stream_t *p_file_stream = stream_UrlNew( p_demux, s_filename.c_str());
1550                             /* peek the begining */
1551                             if( p_file_stream &&
1552                                 stream_Peek( p_file_stream, &p_peek, 4 ) >= 4
1553                                 && p_peek[0] == 0x1a && p_peek[1] == 0x45 &&
1554                                 p_peek[2] == 0xdf && p_peek[3] == 0xa3 ) file_ok = true;
1555
1556                             if ( file_ok )
1557                             {
1558                                 vlc_stream_io_callback *p_file_io = new vlc_stream_io_callback( p_file_stream, VLC_TRUE );
1559                                 EbmlStream *p_estream = new EbmlStream(*p_file_io);
1560
1561                                 p_stream = p_sys->AnalyseAllSegmentsFound( p_demux, p_estream );
1562
1563                                 if ( p_stream == NULL )
1564                                 {
1565                                     msg_Dbg( p_demux, "the file '%s' will not be used", s_filename.c_str() );
1566                                     delete p_estream;
1567                                     delete p_file_io;
1568                                 }
1569                                 else
1570                                 {
1571                                     p_stream->p_in = p_file_io;
1572                                     p_stream->p_es = p_estream;
1573                                     p_sys->streams.push_back( p_stream );
1574                                 }
1575                             }
1576                             else
1577                             {
1578                                 if( p_file_stream ) {
1579                                     stream_Delete( p_file_stream );
1580                                 }
1581                                 msg_Dbg( p_demux, "the file '%s' cannot be opened", s_filename.c_str() );
1582                             }
1583                         }
1584                     }
1585                     free (psz_file);
1586                 }
1587                 closedir( p_src_dir );
1588             }
1589         }
1590
1591         p_sys->PreloadFamily( *p_segment );
1592     }
1593
1594     p_sys->PreloadLinked( p_segment );
1595
1596     if ( !p_sys->PreparePlayback( NULL ) )
1597     {
1598         msg_Err( p_demux, "cannot use the segment" );
1599         goto error;
1600     }
1601
1602     p_sys->StartUiThread();
1603
1604     return VLC_SUCCESS;
1605
1606 error:
1607     delete p_sys;
1608     return VLC_EGENERIC;
1609 }
1610
1611 /*****************************************************************************
1612  * Close: frees unused data
1613  *****************************************************************************/
1614 static void Close( vlc_object_t *p_this )
1615 {
1616     demux_t     *p_demux = (demux_t*)p_this;
1617     demux_sys_t *p_sys   = p_demux->p_sys;
1618
1619     delete p_sys;
1620 }
1621
1622 /*****************************************************************************
1623  * Control:
1624  *****************************************************************************/
1625 static int Control( demux_t *p_demux, int i_query, va_list args )
1626 {
1627     demux_sys_t        *p_sys = p_demux->p_sys;
1628     int64_t     *pi64;
1629     double      *pf, f;
1630     int         i_skp;
1631     size_t      i_idx;
1632
1633     vlc_meta_t *p_meta;
1634     input_attachment_t ***ppp_attach;
1635     int *pi_int;
1636     int i;
1637
1638     switch( i_query )
1639     {
1640         case DEMUX_GET_ATTACHMENTS:
1641             ppp_attach = (input_attachment_t***)va_arg( args, input_attachment_t*** );
1642             pi_int = (int*)va_arg( args, int * );
1643
1644             if( p_sys->stored_attachments.size() <= 0 )
1645                 return VLC_EGENERIC;
1646
1647             *pi_int = p_sys->stored_attachments.size();
1648             *ppp_attach = (input_attachment_t**)malloc( sizeof(input_attachment_t**) *
1649                                                         p_sys->stored_attachments.size() );
1650             if( !(*ppp_attach) )
1651                 return VLC_ENOMEM;
1652             for( i = 0; i < p_sys->stored_attachments.size(); i++ )
1653             {
1654                 attachment_c *a = p_sys->stored_attachments[i];
1655                 (*ppp_attach)[i] = vlc_input_attachment_New( a->psz_file_name.c_str(), a->psz_mime_type.c_str(), NULL,
1656                                                              a->p_data, a->i_size );
1657             }
1658             return VLC_SUCCESS;
1659
1660         case DEMUX_GET_META:
1661             p_meta = (vlc_meta_t*)va_arg( args, vlc_meta_t* );
1662             vlc_meta_Merge( p_meta, p_sys->meta );
1663             return VLC_SUCCESS;
1664
1665         case DEMUX_GET_LENGTH:
1666             pi64 = (int64_t*)va_arg( args, int64_t * );
1667             if( p_sys->f_duration > 0.0 )
1668             {
1669                 *pi64 = (int64_t)(p_sys->f_duration * 1000);
1670                 return VLC_SUCCESS;
1671             }
1672             return VLC_EGENERIC;
1673
1674         case DEMUX_GET_POSITION:
1675             pf = (double*)va_arg( args, double * );
1676             if ( p_sys->f_duration > 0.0 )
1677                 *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);
1678             return VLC_SUCCESS;
1679
1680         case DEMUX_SET_POSITION:
1681             f = (double)va_arg( args, double );
1682             Seek( p_demux, -1, f, NULL );
1683             return VLC_SUCCESS;
1684
1685         case DEMUX_GET_TIME:
1686             pi64 = (int64_t*)va_arg( args, int64_t * );
1687             *pi64 = p_sys->i_pts;
1688             return VLC_SUCCESS;
1689
1690         case DEMUX_GET_TITLE_INFO:
1691             if( p_sys->titles.size() )
1692             {
1693                 input_title_t ***ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
1694                 int *pi_int    = (int*)va_arg( args, int* );
1695
1696                 *pi_int = p_sys->titles.size();
1697                 *ppp_title = (input_title_t**)malloc( sizeof( input_title_t**) * p_sys->titles.size() );
1698
1699                 for( size_t i = 0; i < p_sys->titles.size(); i++ )
1700                 {
1701                     (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->titles[i] );
1702                 }
1703
1704                 return VLC_SUCCESS;
1705             }
1706             return VLC_EGENERIC;
1707
1708         case DEMUX_SET_TITLE:
1709             /* TODO handle editions as titles */
1710             i_idx = (int)va_arg( args, int );
1711             if( i_idx < p_sys->used_segments.size() )
1712             {
1713                 p_sys->JumpTo( *p_sys->used_segments[i_idx], NULL );
1714                 return VLC_SUCCESS;
1715             }
1716             return VLC_EGENERIC;
1717
1718         case DEMUX_SET_SEEKPOINT:
1719             i_skp = (int)va_arg( args, int );
1720
1721             // TODO change the way it works with the << & >> buttons on the UI (+1/-1 instead of a number)
1722             if( p_sys->titles.size() && i_skp < p_sys->titles[p_sys->i_current_title]->i_seekpoint)
1723             {
1724                 Seek( p_demux, (int64_t)p_sys->titles[p_sys->i_current_title]->seekpoint[i_skp]->i_time_offset, -1, NULL);
1725                 p_demux->info.i_seekpoint |= INPUT_UPDATE_SEEKPOINT;
1726                 p_demux->info.i_seekpoint = i_skp;
1727                 return VLC_SUCCESS;
1728             }
1729             return VLC_EGENERIC;
1730
1731         case DEMUX_SET_TIME:
1732         case DEMUX_GET_FPS:
1733         default:
1734             return VLC_EGENERIC;
1735     }
1736 }
1737
1738 #if LIBMATROSKA_VERSION >= 0x000800
1739 int matroska_segment_c::BlockGet( KaxBlock * & pp_block, KaxSimpleBlock * & pp_simpleblock, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration )
1740 #else
1741 int matroska_segment_c::BlockGet( KaxBlock * & pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration )
1742 #endif
1743 {
1744 #if LIBMATROSKA_VERSION >= 0x000800
1745     pp_simpleblock = NULL;
1746 #endif
1747     pp_block = NULL;
1748     *pi_ref1  = 0;
1749     *pi_ref2  = 0;
1750
1751     for( ;; )
1752     {
1753         EbmlElement *el = NULL;
1754         int         i_level;
1755
1756         if ( ep == NULL )
1757             return VLC_EGENERIC;
1758
1759 #if LIBMATROSKA_VERSION >= 0x000800
1760         if( pp_simpleblock != NULL || ((el = ep->Get()) == NULL && pp_block != NULL) )
1761 #else
1762         if( (el = ep->Get()) == NULL && pp_block != NULL )
1763 #endif
1764         {
1765             /* update the index */
1766 #define idx p_indexes[i_index - 1]
1767             if( i_index > 0 && idx.i_time == -1 )
1768             {
1769 #if LIBMATROSKA_VERSION >= 0x000800
1770                 if ( pp_simpleblock != NULL )
1771                     idx.i_time        = pp_simpleblock->GlobalTimecode() / (mtime_t)1000;
1772                 else
1773 #endif
1774                     idx.i_time        = (*pp_block).GlobalTimecode() / (mtime_t)1000;
1775                 idx.b_key         = *pi_ref1 == 0 ? VLC_TRUE : VLC_FALSE;
1776             }
1777 #undef idx
1778             return VLC_SUCCESS;
1779         }
1780
1781         i_level = ep->GetLevel();
1782
1783         if( el == NULL )
1784         {
1785             if( i_level > 1 )
1786             {
1787                 ep->Up();
1788                 continue;
1789             }
1790             msg_Warn( &sys.demuxer, "EOF" );
1791             return VLC_EGENERIC;
1792         }
1793
1794         /* do parsing */
1795         switch ( i_level )
1796         {
1797         case 1:
1798             if( MKV_IS_ID( el, KaxCluster ) )
1799             {
1800                 cluster = (KaxCluster*)el;
1801                 i_cluster_pos = cluster->GetElementPosition();
1802
1803                 /* add it to the index */
1804                 if( i_index == 0 ||
1805                     ( i_index > 0 && p_indexes[i_index - 1].i_position < (int64_t)cluster->GetElementPosition() ) )
1806                 {
1807                     IndexAppendCluster( cluster );
1808                 }
1809
1810                 // reset silent tracks
1811                 for (size_t i=0; i<tracks.size(); i++)
1812                 {
1813                     tracks[i]->b_silent = VLC_FALSE;
1814                 }
1815
1816                 ep->Down();
1817             }
1818             else if( MKV_IS_ID( el, KaxCues ) )
1819             {
1820                 msg_Warn( &sys.demuxer, "find KaxCues FIXME" );
1821                 return VLC_EGENERIC;
1822             }
1823             else
1824             {
1825                 msg_Dbg( &sys.demuxer, "unknown (%s)", typeid( el ).name() );
1826             }
1827             break;
1828         case 2:
1829             if( MKV_IS_ID( el, KaxClusterTimecode ) )
1830             {
1831                 KaxClusterTimecode &ctc = *(KaxClusterTimecode*)el;
1832
1833                 ctc.ReadData( es.I_O(), SCOPE_ALL_DATA );
1834                 cluster->InitTimecode( uint64( ctc ), i_timescale );
1835             }
1836             else if( MKV_IS_ID( el, KaxClusterSilentTracks ) )
1837             {
1838                 ep->Down();
1839             }
1840             else if( MKV_IS_ID( el, KaxBlockGroup ) )
1841             {
1842                 i_block_pos = el->GetElementPosition();
1843                 ep->Down();
1844             }
1845 #if LIBMATROSKA_VERSION >= 0x000800
1846             else if( MKV_IS_ID( el, KaxSimpleBlock ) )
1847             {
1848                 pp_simpleblock = (KaxSimpleBlock*)el;
1849
1850                 pp_simpleblock->ReadData( es.I_O() );
1851                 pp_simpleblock->SetParent( *cluster );
1852             }
1853 #endif
1854             break;
1855         case 3:
1856             if( MKV_IS_ID( el, KaxBlock ) )
1857             {
1858                 pp_block = (KaxBlock*)el;
1859
1860                 pp_block->ReadData( es.I_O() );
1861                 pp_block->SetParent( *cluster );
1862
1863                 ep->Keep();
1864             }
1865             else if( MKV_IS_ID( el, KaxBlockDuration ) )
1866             {
1867                 KaxBlockDuration &dur = *(KaxBlockDuration*)el;
1868
1869                 dur.ReadData( es.I_O() );
1870                 *pi_duration = uint64( dur );
1871             }
1872             else if( MKV_IS_ID( el, KaxReferenceBlock ) )
1873             {
1874                 KaxReferenceBlock &ref = *(KaxReferenceBlock*)el;
1875
1876                 ref.ReadData( es.I_O() );
1877                 if( *pi_ref1 == 0 )
1878                 {
1879                     *pi_ref1 = int64( ref ) * cluster->GlobalTimecodeScale();
1880                 }
1881                 else if( *pi_ref2 == 0 )
1882                 {
1883                     *pi_ref2 = int64( ref ) * cluster->GlobalTimecodeScale();
1884                 }
1885             }
1886             else if( MKV_IS_ID( el, KaxClusterSilentTrackNumber ) )
1887             {
1888                 KaxClusterSilentTrackNumber &track_num = *(KaxClusterSilentTrackNumber*)el;
1889                 track_num.ReadData( es.I_O() );
1890                 // find the track
1891                 for (size_t i=0; i<tracks.size(); i++)
1892                 {
1893                     if ( tracks[i]->i_number == uint32(track_num))
1894                     {
1895                         tracks[i]->b_silent = VLC_TRUE;
1896                         break;
1897                     }
1898                 }
1899             }
1900             break;
1901         default:
1902             msg_Err( &sys.demuxer, "invalid level = %d", i_level );
1903             return VLC_EGENERIC;
1904         }
1905     }
1906 }
1907
1908 static block_t *MemToBlock( demux_t *p_demux, uint8_t *p_mem, int i_mem, size_t offset)
1909 {
1910     block_t *p_block;
1911     if( !(p_block = block_New( p_demux, i_mem + offset ) ) ) return NULL;
1912     memcpy( p_block->p_buffer + offset, p_mem, i_mem );
1913     //p_block->i_rate = p_input->stream.control.i_rate;
1914     return p_block;
1915 }
1916
1917 #if LIBMATROSKA_VERSION >= 0x000800
1918 static void BlockDecode( demux_t *p_demux, KaxBlock *block, KaxSimpleBlock *simpleblock,
1919                          mtime_t i_pts, mtime_t i_duration, bool f_mandatory )
1920 #else
1921 static void BlockDecode( demux_t *p_demux, KaxBlock *block, mtime_t i_pts,
1922                          mtime_t i_duration, bool f_mandatory )
1923 #endif
1924 {
1925     demux_sys_t        *p_sys = p_demux->p_sys;
1926     matroska_segment_c *p_segment = p_sys->p_current_segment->Segment();
1927
1928     size_t          i_track;
1929     unsigned int    i;
1930     vlc_bool_t      b;
1931
1932 #define tk  p_segment->tracks[i_track]
1933     for( i_track = 0; i_track < p_segment->tracks.size(); i_track++ )
1934     {
1935 #if LIBMATROSKA_VERSION >= 0x000800
1936         if( (block != NULL && tk->i_number == block->TrackNum()) ||
1937             (simpleblock != NULL && tk->i_number == simpleblock->TrackNum()))
1938 #else
1939         if( tk->i_number == block->TrackNum() )
1940 #endif
1941         {
1942             break;
1943         }
1944     }
1945
1946     if( i_track >= p_segment->tracks.size() )
1947     {
1948         msg_Err( p_demux, "invalid track number" );
1949         return;
1950     }
1951     if( tk->fmt.i_cat != NAV_ES && tk->p_es == NULL )
1952     {
1953         msg_Err( p_demux, "unknown track number" );
1954         return;
1955     }
1956     if( i_pts + i_duration < p_sys->i_start_pts && tk->fmt.i_cat == AUDIO_ES )
1957     {
1958         return; /* discard audio packets that shouldn't be rendered */
1959     }
1960
1961     if ( tk->fmt.i_cat != NAV_ES )
1962     {
1963         es_out_Control( p_demux->out, ES_OUT_GET_ES_STATE, tk->p_es, &b );
1964
1965         if( !b )
1966         {
1967             tk->b_inited = VLC_FALSE;
1968             return;
1969         }
1970     }
1971
1972
1973     /* First send init data */
1974     if( !tk->b_inited && tk->i_data_init > 0 )
1975     {
1976         block_t *p_init;
1977
1978         msg_Dbg( p_demux, "sending header (%d bytes)", tk->i_data_init );
1979         p_init = MemToBlock( p_demux, tk->p_data_init, tk->i_data_init, 0 );
1980         if( p_init ) es_out_Send( p_demux->out, tk->p_es, p_init );
1981     }
1982     tk->b_inited = VLC_TRUE;
1983
1984
1985 #if LIBMATROSKA_VERSION >= 0x000800
1986     for( i = 0;
1987         (block != NULL && i < block->NumberFrames()) || (simpleblock != NULL && i < simpleblock->NumberFrames());
1988         i++ )
1989 #else
1990     for( i = 0; i < block->NumberFrames(); i++ )
1991 #endif
1992     {
1993         block_t *p_block;
1994         DataBuffer *data;
1995 #if LIBMATROSKA_VERSION >= 0x000800
1996         if ( simpleblock != NULL )
1997         {
1998             data = &simpleblock->GetBuffer(i);
1999             // condition when the DTS is correct (keyframe or B frame == NOT P frame)
2000             f_mandatory = simpleblock->IsDiscardable() || simpleblock->IsKeyframe();
2001         }
2002         else
2003 #endif
2004         data = &block->GetBuffer(i);
2005
2006         if( tk->i_compression_type == MATROSKA_COMPRESSION_HEADER && tk->p_compression_data != NULL )
2007             p_block = MemToBlock( p_demux, data->Buffer(), data->Size(), tk->p_compression_data->GetSize() );
2008         else
2009             p_block = MemToBlock( p_demux, data->Buffer(), data->Size(), 0 );
2010
2011         if( p_block == NULL )
2012         {
2013             break;
2014         }
2015
2016 #if defined(HAVE_ZLIB_H)
2017         if( tk->i_compression_type == MATROSKA_COMPRESSION_ZLIB )
2018         {
2019             p_block = block_zlib_decompress( VLC_OBJECT(p_demux), p_block );
2020         }
2021         else
2022 #endif
2023         if( tk->i_compression_type == MATROSKA_COMPRESSION_HEADER )
2024         {
2025             memcpy( p_block->p_buffer, tk->p_compression_data->GetBuffer(), tk->p_compression_data->GetSize() );
2026         }
2027
2028         if ( tk->fmt.i_cat == NAV_ES )
2029         {
2030             // TODO handle the start/stop times of this packet
2031             if ( p_sys->b_ui_hooked )
2032             {
2033                 vlc_mutex_lock( &p_sys->p_ev->lock );
2034                 memcpy( &p_sys->pci_packet, &p_block->p_buffer[1], sizeof(pci_t) );
2035                 p_sys->SwapButtons();
2036                 p_sys->b_pci_packet_set = true;
2037                 vlc_mutex_unlock( &p_sys->p_ev->lock );
2038                 block_Release( p_block );
2039             }
2040             return;
2041         }
2042         // correct timestamping when B frames are used
2043         if( tk->fmt.i_cat != VIDEO_ES )
2044         {
2045             p_block->i_dts = p_block->i_pts = i_pts;
2046         }
2047         else
2048         {
2049             if( !strcmp( tk->psz_codec, "V_MS/VFW/FOURCC" ) )
2050             {
2051                 // in VFW we have no idea about B frames
2052                 p_block->i_pts = 0;
2053                 p_block->i_dts = i_pts;
2054             }
2055             else
2056             {
2057                 p_block->i_pts = i_pts;
2058                 if ( f_mandatory )
2059                     p_block->i_dts = p_block->i_pts;
2060                 else
2061                     p_block->i_dts = min( i_pts, tk->i_last_dts + (mtime_t)(tk->i_default_duration >> 10));
2062                 p_sys->i_pts = p_block->i_dts;
2063             }
2064         }
2065         tk->i_last_dts = p_block->i_dts;
2066
2067 #if 0
2068 msg_Dbg( p_demux, "block i_dts: "I64Fd" / i_pts: "I64Fd, p_block->i_dts, p_block->i_pts);
2069 #endif
2070         if( strcmp( tk->psz_codec, "S_VOBSUB" ) )
2071         {
2072             p_block->i_length = i_duration * 1000;
2073         }
2074
2075         es_out_Send( p_demux->out, tk->p_es, p_block );
2076
2077         /* use time stamp only for first block */
2078         i_pts = 0;
2079     }
2080
2081 #undef tk
2082 }
2083
2084 matroska_stream_c *demux_sys_t::AnalyseAllSegmentsFound( demux_t *p_demux, EbmlStream *p_estream, bool b_initial )
2085 {
2086     int i_upper_lvl = 0;
2087     size_t i;
2088     EbmlElement *p_l0, *p_l1, *p_l2;
2089     bool b_keep_stream = false, b_keep_segment;
2090
2091     // verify the EBML Header
2092     p_l0 = p_estream->FindNextID(EbmlHead::ClassInfos, 0xFFFFFFFFL);
2093     if (p_l0 == NULL)
2094     {
2095         msg_Err( p_demux, "No EBML header found" );
2096         return NULL;
2097     }
2098
2099     // verify we can read this Segment, we only support Matroska version 1 for now
2100     p_l0->Read(*p_estream, EbmlHead::ClassInfos.Context, i_upper_lvl, p_l0, true);
2101
2102     EDocType doc_type = GetChild<EDocType>(*static_cast<EbmlHead*>(p_l0));
2103     if (std::string(doc_type) != "matroska")
2104     {
2105         msg_Err( p_demux, "Not a Matroska file : DocType = %s ", std::string(doc_type).c_str());
2106         return NULL;
2107     }
2108
2109     EDocTypeReadVersion doc_read_version = GetChild<EDocTypeReadVersion>(*static_cast<EbmlHead*>(p_l0));
2110 #if LIBMATROSKA_VERSION >= 0x000800
2111     if (uint64(doc_read_version) > 2)
2112     {
2113         msg_Err( p_demux, "This matroska file is needs version "I64Fd" and this VLC only supports version 1 & 2", uint64(doc_read_version));
2114         return NULL;
2115     }
2116 #else
2117     if (uint64(doc_read_version) != 1)
2118     {
2119         msg_Err( p_demux, "This matroska file is needs version "I64Fd" and this VLC only supports version 1", uint64(doc_read_version));
2120         return NULL;
2121     }
2122 #endif
2123
2124     delete p_l0;
2125
2126
2127     // find all segments in this file
2128     p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFFLL);
2129     if (p_l0 == NULL)
2130     {
2131         return NULL;
2132     }
2133
2134     matroska_stream_c *p_stream1 = new matroska_stream_c( *this );
2135
2136     while (p_l0 != 0)
2137     {
2138         if (EbmlId(*p_l0) == KaxSegment::ClassInfos.GlobalId)
2139         {
2140             EbmlParser  *ep;
2141             matroska_segment_c *p_segment1 = new matroska_segment_c( *this, *p_estream );
2142             b_keep_segment = b_initial;
2143
2144             ep = new EbmlParser(p_estream, p_l0, &demuxer );
2145             p_segment1->ep = ep;
2146             p_segment1->segment = (KaxSegment*)p_l0;
2147
2148             while ((p_l1 = ep->Get()))
2149             {
2150                 if (MKV_IS_ID(p_l1, KaxInfo))
2151                 {
2152                     // find the families of this segment
2153                     KaxInfo *p_info = static_cast<KaxInfo*>(p_l1);
2154
2155                     p_info->Read(*p_estream, KaxInfo::ClassInfos.Context, i_upper_lvl, p_l2, true);
2156                     for( i = 0; i < p_info->ListSize(); i++ )
2157                     {
2158                         EbmlElement *l = (*p_info)[i];
2159
2160                         if( MKV_IS_ID( l, KaxSegmentUID ) )
2161                         {
2162                             KaxSegmentUID *p_uid = static_cast<KaxSegmentUID*>(l);
2163                             b_keep_segment = (FindSegment( *p_uid ) == NULL);
2164                             if ( !b_keep_segment )
2165                                 break; // this segment is already known
2166                             opened_segments.push_back( p_segment1 );
2167                             delete p_segment1->p_segment_uid;
2168                             p_segment1->p_segment_uid = new KaxSegmentUID(*p_uid);
2169                         }
2170                         else if( MKV_IS_ID( l, KaxPrevUID ) )
2171                         {
2172                             p_segment1->p_prev_segment_uid = new KaxPrevUID( *static_cast<KaxPrevUID*>(l) );
2173                         }
2174                         else if( MKV_IS_ID( l, KaxNextUID ) )
2175                         {
2176                             p_segment1->p_next_segment_uid = new KaxNextUID( *static_cast<KaxNextUID*>(l) );
2177                         }
2178                         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
2179                         {
2180                             KaxSegmentFamily *p_fam = new KaxSegmentFamily( *static_cast<KaxSegmentFamily*>(l) );
2181                             p_segment1->families.push_back( p_fam );
2182                         }
2183                     }
2184                     break;
2185                 }
2186             }
2187             if ( b_keep_segment )
2188             {
2189                 b_keep_stream = true;
2190                 p_stream1->segments.push_back( p_segment1 );
2191             }
2192             else
2193             {
2194                 p_segment1->segment = NULL;
2195                 delete p_segment1;
2196             }
2197         }
2198         if (p_l0->IsFiniteSize() )
2199         {
2200             p_l0->SkipData(*p_estream, KaxMatroska_Context);
2201             p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFL);
2202         }
2203         else
2204             p_l0 = p_l0->SkipData(*p_estream, KaxSegment_Context);
2205     }
2206
2207     if ( !b_keep_stream )
2208     {
2209         delete p_stream1;
2210         p_stream1 = NULL;
2211     }
2212
2213     return p_stream1;
2214 }
2215
2216 bool matroska_segment_c::Select( mtime_t i_start_time )
2217 {
2218     size_t i_track;
2219
2220     /* add all es */
2221     msg_Dbg( &sys.demuxer, "found %d es", (int)tracks.size() );
2222     sys.b_pci_packet_set = false;
2223
2224     for( i_track = 0; i_track < tracks.size(); i_track++ )
2225     {
2226         if( tracks[i_track]->fmt.i_cat == UNKNOWN_ES )
2227         {
2228             msg_Warn( &sys.demuxer, "invalid track[%d, n=%d]", (int)i_track, tracks[i_track]->i_number );
2229             tracks[i_track]->p_es = NULL;
2230             continue;
2231         }
2232
2233         if( !strcmp( tracks[i_track]->psz_codec, "V_MS/VFW/FOURCC" ) )
2234         {
2235             if( tracks[i_track]->i_extra_data < (int)sizeof( BITMAPINFOHEADER ) )
2236             {
2237                 msg_Err( &sys.demuxer, "missing/invalid BITMAPINFOHEADER" );
2238                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2239             }
2240             else
2241             {
2242                 BITMAPINFOHEADER *p_bih = (BITMAPINFOHEADER*)tracks[i_track]->p_extra_data;
2243
2244                 tracks[i_track]->fmt.video.i_width = GetDWLE( &p_bih->biWidth );
2245                 tracks[i_track]->fmt.video.i_height= GetDWLE( &p_bih->biHeight );
2246                 tracks[i_track]->fmt.i_codec       = GetFOURCC( &p_bih->biCompression );
2247
2248                 tracks[i_track]->fmt.i_extra       = GetDWLE( &p_bih->biSize ) - sizeof( BITMAPINFOHEADER );
2249                 if( tracks[i_track]->fmt.i_extra > 0 )
2250                 {
2251                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2252                     memcpy( tracks[i_track]->fmt.p_extra, &p_bih[1], tracks[i_track]->fmt.i_extra );
2253                 }
2254             }
2255         }
2256         else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG1" ) ||
2257                  !strcmp( tracks[i_track]->psz_codec, "V_MPEG2" ) )
2258         {
2259             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'v' );
2260         }
2261         else if( !strncmp( tracks[i_track]->psz_codec, "V_THEORA", 8 ) )
2262         {
2263             uint8_t *p_data = tracks[i_track]->p_extra_data;
2264             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 't', 'h', 'e', 'o' );
2265             if( tracks[i_track]->i_extra_data >= 4 ) {
2266                 if( p_data[0] == 2 ) {
2267                     int i = 1;
2268                     int i_size1 = 0, i_size2 = 0;
2269                     p_data++;
2270                     /* read size of first header packet */
2271                     while( *p_data == 0xFF &&
2272                            i < tracks[i_track]->i_extra_data )
2273                     {
2274                         i_size1 += *p_data;
2275                         p_data++;
2276                         i++;
2277                     }
2278                     i_size1 += *p_data;
2279                     p_data++;
2280                     i++;
2281                     msg_Dbg( &sys.demuxer, "first theora header size %d", i_size1 );
2282                     /* read size of second header packet */
2283                     while( *p_data == 0xFF &&
2284                            i < tracks[i_track]->i_extra_data )
2285                     {
2286                         i_size2 += *p_data;
2287                         p_data++;
2288                         i++;
2289                     }
2290                     i_size2 += *p_data;
2291                     p_data++;
2292                     i++;
2293                     int i_size3 = tracks[i_track]->i_extra_data - i - i_size1
2294                         - i_size2;
2295                     msg_Dbg( &sys.demuxer, "second theora header size %d", i_size2 );
2296                     msg_Dbg( &sys.demuxer, "third theora header size %d", i_size3 );
2297                     tracks[i_track]->fmt.i_extra = i_size1 + i_size2 + i_size3
2298                         + 6;
2299                     if( i_size1 > 0 && i_size2 > 0 && i_size3 > 0  ) {
2300                         tracks[i_track]->fmt.p_extra =
2301                             malloc( tracks[i_track]->fmt.i_extra );
2302                         uint8_t *p_out = (uint8_t*)tracks[i_track]->fmt.p_extra;
2303                         *p_out++ = (i_size1>>8) & 0xFF;
2304                         *p_out++ = i_size1 & 0xFF;
2305                         memcpy( p_out, p_data, i_size1 );
2306                         p_data += i_size1;
2307                         p_out += i_size1;
2308
2309                         *p_out++ = (i_size2>>8) & 0xFF;
2310                         *p_out++ = i_size2 & 0xFF;
2311                         memcpy( p_out, p_data, i_size2 );
2312                         p_data += i_size2;
2313                         p_out += i_size2;
2314
2315                         *p_out++ = (i_size3>>8) & 0xFF;
2316                         *p_out++ = i_size3 & 0xFF;
2317                         memcpy( p_out, p_data, i_size3 );
2318                         p_data += i_size3;
2319                         p_out += i_size3;
2320                     }
2321                     else
2322                     {
2323                         msg_Err( &sys.demuxer, "inconsistant theora extradata" );
2324                     }
2325                 }
2326                 else {
2327                     msg_Err( &sys.demuxer, "Wrong number of ogg packets with theora headers (%d)", p_data[0] + 1 );
2328                 }
2329             }
2330         }
2331         else if( !strncmp( tracks[i_track]->psz_codec, "V_MPEG4", 7 ) )
2332         {
2333             if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/MS/V3" ) )
2334             {
2335                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'D', 'I', 'V', '3' );
2336             }
2337             else if( !strncmp( tracks[i_track]->psz_codec, "V_MPEG4/ISO", 11 ) )
2338             {
2339                 /* A MPEG 4 codec, SP, ASP, AP or AVC */
2340                 if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/ISO/AVC" ) )
2341                     tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'v', 'c', '1' );
2342                 else
2343                     tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' );
2344                 tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2345                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2346                 memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2347             }
2348         }
2349         else if( !strcmp( tracks[i_track]->psz_codec, "V_QUICKTIME" ) )
2350         {
2351             MP4_Box_t *p_box = (MP4_Box_t*)malloc( sizeof( MP4_Box_t ) );
2352             stream_t *p_mp4_stream = stream_MemoryNew( VLC_OBJECT(&sys.demuxer),
2353                                                        tracks[i_track]->p_extra_data,
2354                                                        tracks[i_track]->i_extra_data,
2355                                                        VLC_FALSE );
2356             MP4_ReadBoxCommon( p_mp4_stream, p_box );
2357             MP4_ReadBox_sample_vide( p_mp4_stream, p_box );
2358             tracks[i_track]->fmt.i_codec = p_box->i_type;
2359             tracks[i_track]->fmt.video.i_width = p_box->data.p_sample_vide->i_width;
2360             tracks[i_track]->fmt.video.i_height = p_box->data.p_sample_vide->i_height;
2361             tracks[i_track]->fmt.i_extra = p_box->data.p_sample_vide->i_qt_image_description;
2362             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2363             memcpy( tracks[i_track]->fmt.p_extra, p_box->data.p_sample_vide->p_qt_image_description, tracks[i_track]->fmt.i_extra );
2364             MP4_FreeBox_sample_vide( p_box );
2365             stream_Delete( p_mp4_stream );
2366         }
2367         else if( !strcmp( tracks[i_track]->psz_codec, "A_MS/ACM" ) )
2368         {
2369             if( tracks[i_track]->i_extra_data < (int)sizeof( WAVEFORMATEX ) )
2370             {
2371                 msg_Err( &sys.demuxer, "missing/invalid WAVEFORMATEX" );
2372                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2373             }
2374             else
2375             {
2376                 WAVEFORMATEX *p_wf = (WAVEFORMATEX*)tracks[i_track]->p_extra_data;
2377
2378                 wf_tag_to_fourcc( GetWLE( &p_wf->wFormatTag ), &tracks[i_track]->fmt.i_codec, NULL );
2379
2380                 tracks[i_track]->fmt.audio.i_channels   = GetWLE( &p_wf->nChannels );
2381                 tracks[i_track]->fmt.audio.i_rate = GetDWLE( &p_wf->nSamplesPerSec );
2382                 tracks[i_track]->fmt.i_bitrate    = GetDWLE( &p_wf->nAvgBytesPerSec ) * 8;
2383                 tracks[i_track]->fmt.audio.i_blockalign = GetWLE( &p_wf->nBlockAlign );;
2384                 tracks[i_track]->fmt.audio.i_bitspersample = GetWLE( &p_wf->wBitsPerSample );
2385
2386                 tracks[i_track]->fmt.i_extra            = GetWLE( &p_wf->cbSize );
2387                 if( tracks[i_track]->fmt.i_extra > 0 )
2388                 {
2389                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2390                     memcpy( tracks[i_track]->fmt.p_extra, &p_wf[1], tracks[i_track]->fmt.i_extra );
2391                 }
2392             }
2393         }
2394         else if( !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L3" ) ||
2395                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L2" ) ||
2396                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L1" ) )
2397         {
2398             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' );
2399         }
2400         else if( !strcmp( tracks[i_track]->psz_codec, "A_AC3" ) )
2401         {
2402             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' );
2403         }
2404         else if( !strcmp( tracks[i_track]->psz_codec, "A_DTS" ) )
2405         {
2406             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'd', 't', 's', ' ' );
2407         }
2408         else if( !strcmp( tracks[i_track]->psz_codec, "A_FLAC" ) )
2409         {
2410             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'f', 'l', 'a', 'c' );
2411             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2412             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2413             memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2414         }
2415         else if( !strcmp( tracks[i_track]->psz_codec, "A_VORBIS" ) )
2416         {
2417             int i, i_offset = 1, i_size[3], i_extra;
2418             uint8_t *p_extra;
2419
2420             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'v', 'o', 'r', 'b' );
2421
2422             /* Split the 3 headers */
2423             if( tracks[i_track]->p_extra_data[0] != 0x02 )
2424                 msg_Err( &sys.demuxer, "invalid vorbis header" );
2425
2426             for( i = 0; i < 2; i++ )
2427             {
2428                 i_size[i] = 0;
2429                 while( i_offset < tracks[i_track]->i_extra_data )
2430                 {
2431                     i_size[i] += tracks[i_track]->p_extra_data[i_offset];
2432                     if( tracks[i_track]->p_extra_data[i_offset++] != 0xff ) break;
2433                 }
2434             }
2435
2436             i_size[0] = __MIN(i_size[0], tracks[i_track]->i_extra_data - i_offset);
2437             i_size[1] = __MIN(i_size[1], tracks[i_track]->i_extra_data -i_offset -i_size[0]);
2438             i_size[2] = tracks[i_track]->i_extra_data - i_offset - i_size[0] - i_size[1];
2439
2440             tracks[i_track]->fmt.i_extra = 3 * 2 + i_size[0] + i_size[1] + i_size[2];
2441             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2442             p_extra = (uint8_t *)tracks[i_track]->fmt.p_extra; i_extra = 0;
2443             for( i = 0; i < 3; i++ )
2444             {
2445                 *(p_extra++) = i_size[i] >> 8;
2446                 *(p_extra++) = i_size[i] & 0xFF;
2447                 memcpy( p_extra, tracks[i_track]->p_extra_data + i_offset + i_extra,
2448                         i_size[i] );
2449                 p_extra += i_size[i];
2450                 i_extra += i_size[i];
2451             }
2452         }
2453         else if( !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG2/", strlen( "A_AAC/MPEG2/" ) ) ||
2454                  !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG4/", strlen( "A_AAC/MPEG4/" ) ) )
2455         {
2456             int i_profile, i_srate, sbr = 0;
2457             static unsigned int i_sample_rates[] =
2458             {
2459                     96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050,
2460                         16000, 12000, 11025, 8000,  7350,  0,     0,     0
2461             };
2462
2463             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
2464             /* create data for faad (MP4DecSpecificDescrTag)*/
2465
2466             if( !strcmp( &tracks[i_track]->psz_codec[12], "MAIN" ) )
2467             {
2468                 i_profile = 0;
2469             }
2470             else if( !strcmp( &tracks[i_track]->psz_codec[12], "LC" ) )
2471             {
2472                 i_profile = 1;
2473             }
2474             else if( !strcmp( &tracks[i_track]->psz_codec[12], "SSR" ) )
2475             {
2476                 i_profile = 2;
2477             }
2478             else if( !strcmp( &tracks[i_track]->psz_codec[12], "LC/SBR" ) )
2479             {
2480                 i_profile = 1;
2481                 sbr = 1;
2482             }
2483             else
2484             {
2485                 i_profile = 3;
2486             }
2487
2488             for( i_srate = 0; i_srate < 13; i_srate++ )
2489             {
2490                 if( i_sample_rates[i_srate] == tracks[i_track]->i_original_rate )
2491                 {
2492                     break;
2493                 }
2494             }
2495             msg_Dbg( &sys.demuxer, "profile=%d srate=%d", i_profile, i_srate );
2496
2497             tracks[i_track]->fmt.i_extra = sbr ? 5 : 2;
2498             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2499             ((uint8_t*)tracks[i_track]->fmt.p_extra)[0] = ((i_profile + 1) << 3) | ((i_srate&0xe) >> 1);
2500             ((uint8_t*)tracks[i_track]->fmt.p_extra)[1] = ((i_srate & 0x1) << 7) | (tracks[i_track]->fmt.audio.i_channels << 3);
2501             if (sbr != 0)
2502             {
2503                 int syncExtensionType = 0x2B7;
2504                 int iDSRI;
2505                 for (iDSRI=0; iDSRI<13; iDSRI++)
2506                     if( i_sample_rates[iDSRI] == tracks[i_track]->fmt.audio.i_rate )
2507                         break;
2508                 ((uint8_t*)tracks[i_track]->fmt.p_extra)[2] = (syncExtensionType >> 3) & 0xFF;
2509                 ((uint8_t*)tracks[i_track]->fmt.p_extra)[3] = ((syncExtensionType & 0x7) << 5) | 5;
2510                 ((uint8_t*)tracks[i_track]->fmt.p_extra)[4] = ((1 & 0x1) << 7) | (iDSRI << 3);
2511             }
2512         }
2513         else if( !strcmp( tracks[i_track]->psz_codec, "A_AAC" ) )
2514         {
2515             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
2516             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2517             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2518             memcpy( tracks[i_track]->fmt.p_extra, tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2519         }
2520         else if( !strcmp( tracks[i_track]->psz_codec, "A_WAVPACK4" ) )
2521         {
2522             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'W', 'V', 'P', 'K' );
2523             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2524             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2525             memcpy( tracks[i_track]->fmt.p_extra, tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2526         }
2527         else if( !strcmp( tracks[i_track]->psz_codec, "A_TTA1" ) )
2528         {
2529             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'T', 'T', 'A', '1' );
2530             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2531             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2532             memcpy( tracks[i_track]->fmt.p_extra, tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2533         }
2534         else if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) ||
2535                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/LIT" ) ||
2536                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/FLOAT/IEEE" ) )
2537         {
2538             if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) )
2539             {
2540                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
2541             }
2542             else
2543             {
2544                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
2545             }
2546             tracks[i_track]->fmt.audio.i_blockalign = ( tracks[i_track]->fmt.audio.i_bitspersample + 7 ) / 8 * tracks[i_track]->fmt.audio.i_channels;
2547         }
2548         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/UTF8" ) )
2549         {
2550             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 'u', 'b', 't' );
2551             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2552         }
2553         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/USF" ) )
2554         {
2555             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 's', 'f', ' ' );
2556             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2557             if( tracks[i_track]->i_extra_data )
2558             {
2559                 tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2560                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2561                 memcpy( tracks[i_track]->fmt.p_extra, tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2562             }
2563         }
2564         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/SSA" ) ||
2565                  !strcmp( tracks[i_track]->psz_codec, "S_TEXT/ASS" ) ||
2566                  !strcmp( tracks[i_track]->psz_codec, "S_SSA" ) ||
2567                  !strcmp( tracks[i_track]->psz_codec, "S_ASS" ))
2568         {
2569             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 's', 'a', ' ' );
2570             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2571             if( tracks[i_track]->i_extra_data )
2572             {
2573                 tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2574                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2575                 memcpy( tracks[i_track]->fmt.p_extra, tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2576             }
2577         }
2578         else if( !strcmp( tracks[i_track]->psz_codec, "S_VOBSUB" ) )
2579         {
2580             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's','p','u',' ' );
2581             if( tracks[i_track]->i_extra_data )
2582             {
2583                 char *p_start;
2584                 char *p_buf = (char *)malloc( tracks[i_track]->i_extra_data + 1);
2585                 memcpy( p_buf, tracks[i_track]->p_extra_data , tracks[i_track]->i_extra_data );
2586                 p_buf[tracks[i_track]->i_extra_data] = '\0';
2587
2588                 p_start = strstr( p_buf, "size:" );
2589                 if( sscanf( p_start, "size: %dx%d",
2590                         &tracks[i_track]->fmt.subs.spu.i_original_frame_width, &tracks[i_track]->fmt.subs.spu.i_original_frame_height ) == 2 )
2591                 {
2592                     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 );
2593                 }
2594                 else
2595                 {
2596                     msg_Warn( &sys.demuxer, "reading original frame size for vobsub failed" );
2597                 }
2598                 free( p_buf );
2599             }
2600         }
2601         else if( !strcmp( tracks[i_track]->psz_codec, "B_VOBBTN" ) )
2602         {
2603             tracks[i_track]->fmt.i_cat = NAV_ES;
2604             continue;
2605         }
2606         else
2607         {
2608             msg_Err( &sys.demuxer, "unknow codec id=`%s'", tracks[i_track]->psz_codec );
2609             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2610         }
2611         if( tracks[i_track]->b_default )
2612         {
2613             tracks[i_track]->fmt.i_priority = 1000;
2614         }
2615
2616         tracks[i_track]->p_es = es_out_Add( sys.demuxer.out, &tracks[i_track]->fmt );
2617
2618         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_start_time );
2619     }
2620
2621     sys.i_start_pts = i_start_time;
2622     // reset the stream reading to the first cluster of the segment used
2623     es.I_O().setFilePointer( i_start_pos );
2624
2625     delete ep;
2626     ep = new EbmlParser( &es, segment, &sys.demuxer );
2627
2628     return true;
2629 }
2630
2631 void demux_sys_t::StartUiThread()
2632 {
2633     if ( !b_ui_hooked )
2634     {
2635         msg_Dbg( &demuxer, "Starting the UI Hook" );
2636         b_ui_hooked = true;
2637         /* FIXME hack hack hack hack FIXME */
2638         /* Get p_input and create variable */
2639         p_input = (input_thread_t *) vlc_object_find( &demuxer, VLC_OBJECT_INPUT, FIND_PARENT );
2640         var_Create( p_input, "x-start", VLC_VAR_INTEGER );
2641         var_Create( p_input, "y-start", VLC_VAR_INTEGER );
2642         var_Create( p_input, "x-end", VLC_VAR_INTEGER );
2643         var_Create( p_input, "y-end", VLC_VAR_INTEGER );
2644         var_Create( p_input, "color", VLC_VAR_ADDRESS );
2645         var_Create( p_input, "menu-palette", VLC_VAR_ADDRESS );
2646         var_Create( p_input, "highlight", VLC_VAR_BOOL );
2647         var_Create( p_input, "highlight-mutex", VLC_VAR_MUTEX );
2648
2649         /* Now create our event thread catcher */
2650         p_ev = (event_thread_t *) vlc_object_create( &demuxer, sizeof( event_thread_t ) );
2651         p_ev->p_demux = &demuxer;
2652         p_ev->b_die = VLC_FALSE;
2653         vlc_mutex_init( p_ev, &p_ev->lock );
2654         vlc_thread_create( p_ev, "mkv event thread handler", EventThread,
2655                         VLC_THREAD_PRIORITY_LOW, VLC_FALSE );
2656     }
2657 }
2658
2659 void demux_sys_t::StopUiThread()
2660 {
2661     if ( b_ui_hooked )
2662     {
2663         vlc_object_kill( p_ev );
2664         vlc_thread_join( p_ev );
2665         vlc_object_destroy( p_ev );
2666
2667         p_ev = NULL;
2668
2669         var_Destroy( p_input, "highlight-mutex" );
2670         var_Destroy( p_input, "highlight" );
2671         var_Destroy( p_input, "x-start" );
2672         var_Destroy( p_input, "x-end" );
2673         var_Destroy( p_input, "y-start" );
2674         var_Destroy( p_input, "y-end" );
2675         var_Destroy( p_input, "color" );
2676         var_Destroy( p_input, "menu-palette" );
2677
2678         vlc_object_release( p_input );
2679
2680         msg_Dbg( &demuxer, "Stopping the UI Hook" );
2681     }
2682     b_ui_hooked = false;
2683 }
2684
2685 int demux_sys_t::EventMouse( vlc_object_t *p_this, char const *psz_var,
2686                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
2687 {
2688     event_thread_t *p_ev = (event_thread_t *) p_data;
2689     vlc_mutex_lock( &p_ev->lock );
2690     if( psz_var[6] == 'c' )
2691     {
2692         p_ev->b_clicked = VLC_TRUE;
2693         msg_Dbg( p_this, "Event Mouse: clicked");
2694     }
2695     else if( psz_var[6] == 'm' )
2696         p_ev->b_moved = VLC_TRUE;
2697     vlc_mutex_unlock( &p_ev->lock );
2698
2699     return VLC_SUCCESS;
2700 }
2701
2702 int demux_sys_t::EventKey( vlc_object_t *p_this, char const *psz_var,
2703                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
2704 {
2705     event_thread_t *p_ev = (event_thread_t *) p_data;
2706     vlc_mutex_lock( &p_ev->lock );
2707     p_ev->b_key = VLC_TRUE;
2708     vlc_mutex_unlock( &p_ev->lock );
2709     msg_Dbg( p_this, "Event Key");
2710
2711     return VLC_SUCCESS;
2712 }
2713
2714 int demux_sys_t::EventThread( vlc_object_t *p_this )
2715 {
2716     event_thread_t *p_ev = (event_thread_t*)p_this;
2717     demux_sys_t    *p_sys = p_ev->p_demux->p_sys;
2718     vlc_object_t   *p_vout = NULL;
2719
2720     p_ev->b_moved   = VLC_FALSE;
2721     p_ev->b_clicked = VLC_FALSE;
2722     p_ev->b_key     = VLC_FALSE;
2723
2724     /* catch all key event */
2725     var_AddCallback( p_ev->p_libvlc, "key-pressed", EventKey, p_ev );
2726
2727     /* main loop */
2728     while( !p_ev->b_die )
2729     {
2730         if ( !p_sys->b_pci_packet_set )
2731         {
2732             /* Wait 100ms */
2733             msleep( 100000 );
2734             continue;
2735         }
2736
2737         vlc_bool_t b_activated = VLC_FALSE;
2738
2739         /* KEY part */
2740         if( p_ev->b_key )
2741         {
2742             vlc_value_t valk;
2743             struct libvlc_int_t::hotkey *p_hotkeys = p_ev->p_libvlc->p_hotkeys;
2744             int i, i_action = -1;
2745
2746             msg_Dbg( p_ev->p_demux, "Handle Key Event");
2747
2748             vlc_mutex_lock( &p_ev->lock );
2749
2750             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2751
2752             var_Get( p_ev->p_libvlc, "key-pressed", &valk );
2753             for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
2754             {
2755                 if( p_hotkeys[i].i_key == valk.i_int )
2756                 {
2757                     i_action = p_hotkeys[i].i_action;
2758                 }
2759             }
2760
2761             uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2762
2763             switch( i_action )
2764             {
2765             case ACTIONID_NAV_LEFT:
2766                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2767                 {
2768                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2769                     if ( p_button_ptr->left > 0 && p_button_ptr->left <= pci->hli.hl_gi.btn_ns )
2770                     {
2771                         i_curr_button = p_button_ptr->left;
2772                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2773                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2774                         if ( button_ptr.auto_action_mode )
2775                         {
2776                             vlc_mutex_unlock( &p_ev->lock );
2777                             vlc_mutex_lock( &p_sys->lock_demuxer );
2778
2779                             // process the button action
2780                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2781
2782                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2783                             vlc_mutex_lock( &p_ev->lock );
2784                         }
2785                     }
2786                 }
2787                 break;
2788             case ACTIONID_NAV_RIGHT:
2789                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2790                 {
2791                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2792                     if ( p_button_ptr->right > 0 && p_button_ptr->right <= pci->hli.hl_gi.btn_ns )
2793                     {
2794                         i_curr_button = p_button_ptr->right;
2795                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2796                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2797                         if ( button_ptr.auto_action_mode )
2798                         {
2799                             vlc_mutex_unlock( &p_ev->lock );
2800                             vlc_mutex_lock( &p_sys->lock_demuxer );
2801
2802                             // process the button action
2803                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2804
2805                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2806                             vlc_mutex_lock( &p_ev->lock );
2807                         }
2808                     }
2809                 }
2810                 break;
2811             case ACTIONID_NAV_UP:
2812                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2813                 {
2814                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2815                     if ( p_button_ptr->up > 0 && p_button_ptr->up <= pci->hli.hl_gi.btn_ns )
2816                     {
2817                         i_curr_button = p_button_ptr->up;
2818                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2819                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2820                         if ( button_ptr.auto_action_mode )
2821                         {
2822                             vlc_mutex_unlock( &p_ev->lock );
2823                             vlc_mutex_lock( &p_sys->lock_demuxer );
2824
2825                             // process the button action
2826                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2827
2828                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2829                             vlc_mutex_lock( &p_ev->lock );
2830                         }
2831                     }
2832                 }
2833                 break;
2834             case ACTIONID_NAV_DOWN:
2835                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2836                 {
2837                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2838                     if ( p_button_ptr->down > 0 && p_button_ptr->down <= pci->hli.hl_gi.btn_ns )
2839                     {
2840                         i_curr_button = p_button_ptr->down;
2841                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2842                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2843                         if ( button_ptr.auto_action_mode )
2844                         {
2845                             vlc_mutex_unlock( &p_ev->lock );
2846                             vlc_mutex_lock( &p_sys->lock_demuxer );
2847
2848                             // process the button action
2849                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2850
2851                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2852                             vlc_mutex_lock( &p_ev->lock );
2853                         }
2854                     }
2855                 }
2856                 break;
2857             case ACTIONID_NAV_ACTIVATE:
2858                 b_activated = VLC_TRUE;
2859
2860                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2861                 {
2862                     btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2863
2864                     vlc_mutex_unlock( &p_ev->lock );
2865                     vlc_mutex_lock( &p_sys->lock_demuxer );
2866
2867                     // process the button action
2868                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2869
2870                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2871                     vlc_mutex_lock( &p_ev->lock );
2872                 }
2873                 break;
2874             default:
2875                 break;
2876             }
2877             p_ev->b_key = VLC_FALSE;
2878             vlc_mutex_unlock( &p_ev->lock );
2879         }
2880
2881         /* MOUSE part */
2882         if( p_vout && ( p_ev->b_moved || p_ev->b_clicked ) )
2883         {
2884             vlc_value_t valx, valy;
2885
2886             vlc_mutex_lock( &p_ev->lock );
2887             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2888             var_Get( p_vout, "mouse-x", &valx );
2889             var_Get( p_vout, "mouse-y", &valy );
2890
2891             if( p_ev->b_clicked )
2892             {
2893                 int32_t button;
2894                 int32_t best,dist,d;
2895                 int32_t mx,my,dx,dy;
2896
2897                 msg_Dbg( p_ev->p_demux, "Handle Mouse Event: Mouse clicked x(%d)*y(%d)", (unsigned)valx.i_int, (unsigned)valy.i_int);
2898
2899                 b_activated = VLC_TRUE;
2900                 // get current button
2901                 best = 0;
2902                 dist = 0x08000000; /* >> than  (720*720)+(567*567); */
2903                 for(button = 1; button <= pci->hli.hl_gi.btn_ns; button++)
2904                 {
2905                     btni_t *button_ptr = &(pci->hli.btnit[button-1]);
2906
2907                     if(((unsigned)valx.i_int >= button_ptr->x_start)
2908                      && ((unsigned)valx.i_int <= button_ptr->x_end)
2909                      && ((unsigned)valy.i_int >= button_ptr->y_start)
2910                      && ((unsigned)valy.i_int <= button_ptr->y_end))
2911                     {
2912                         mx = (button_ptr->x_start + button_ptr->x_end)/2;
2913                         my = (button_ptr->y_start + button_ptr->y_end)/2;
2914                         dx = mx - valx.i_int;
2915                         dy = my - valy.i_int;
2916                         d = (dx*dx) + (dy*dy);
2917                         /* If the mouse is within the button and the mouse is closer
2918                         * to the center of this button then it is the best choice. */
2919                         if(d < dist) {
2920                             dist = d;
2921                             best = button;
2922                         }
2923                     }
2924                 }
2925
2926                 if ( best != 0)
2927                 {
2928                     btni_t button_ptr = pci->hli.btnit[best-1];
2929                     uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2930
2931                     msg_Dbg( &p_sys->demuxer, "Clicked button %d", best );
2932                     vlc_mutex_unlock( &p_ev->lock );
2933                     vlc_mutex_lock( &p_sys->lock_demuxer );
2934
2935                     // process the button action
2936                     p_sys->dvd_interpretor.SetSPRM( 0x88, best );
2937                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2938
2939                     msg_Dbg( &p_sys->demuxer, "Processed button %d", best );
2940
2941                     // select new button
2942                     if ( best != i_curr_button )
2943                     {
2944                         vlc_value_t val;
2945
2946                         if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
2947                         {
2948                             vlc_mutex_t *p_mutex = (vlc_mutex_t *) val.p_address;
2949                             uint32_t i_palette;
2950
2951                             if(button_ptr.btn_coln != 0) {
2952                                 i_palette = pci->hli.btn_colit.btn_coli[button_ptr.btn_coln-1][1];
2953                             } else {
2954                                 i_palette = 0;
2955                             }
2956
2957                             for( int i = 0; i < 4; i++ )
2958                             {
2959                                 uint32_t i_yuv = 0xFF;//p_sys->clut[(hl.palette>>(16+i*4))&0x0f];
2960                                 uint8_t i_alpha = (i_palette>>(i*4))&0x0f;
2961                                 i_alpha = i_alpha == 0xf ? 0xff : i_alpha << 4;
2962
2963                                 p_sys->palette[i][0] = (i_yuv >> 16) & 0xff;
2964                                 p_sys->palette[i][1] = (i_yuv >> 0) & 0xff;
2965                                 p_sys->palette[i][2] = (i_yuv >> 8) & 0xff;
2966                                 p_sys->palette[i][3] = i_alpha;
2967                             }
2968
2969                             vlc_mutex_lock( p_mutex );
2970                             val.i_int = button_ptr.x_start; var_Set( p_sys->p_input, "x-start", val );
2971                             val.i_int = button_ptr.x_end;   var_Set( p_sys->p_input, "x-end",   val );
2972                             val.i_int = button_ptr.y_start; var_Set( p_sys->p_input, "y-start", val );
2973                             val.i_int = button_ptr.y_end;   var_Set( p_sys->p_input, "y-end",   val );
2974
2975                             val.p_address = (void *)p_sys->palette;
2976                             var_Set( p_sys->p_input, "menu-palette", val );
2977
2978                             val.b_bool = VLC_TRUE; var_Set( p_sys->p_input, "highlight", val );
2979                             vlc_mutex_unlock( p_mutex );
2980                         }
2981                     }
2982                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2983                     vlc_mutex_lock( &p_ev->lock );
2984                 }
2985             }
2986             else if( p_ev->b_moved )
2987             {
2988 //                dvdnav_mouse_select( NULL, pci, valx.i_int, valy.i_int );
2989             }
2990
2991             p_ev->b_moved = VLC_FALSE;
2992             p_ev->b_clicked = VLC_FALSE;
2993             vlc_mutex_unlock( &p_ev->lock );
2994         }
2995
2996         /* VOUT part */
2997         if( p_vout && p_vout->b_die )
2998         {
2999             var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
3000             var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
3001             vlc_object_release( p_vout );
3002             p_vout = NULL;
3003         }
3004
3005         else if( p_vout == NULL )
3006         {
3007             p_vout = (vlc_object_t*) vlc_object_find( p_sys->p_input, VLC_OBJECT_VOUT,
3008                                       FIND_CHILD );
3009             if( p_vout)
3010             {
3011                 var_AddCallback( p_vout, "mouse-moved", EventMouse, p_ev );
3012                 var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
3013             }
3014         }
3015
3016         /* Wait a bit, 10ms */
3017         msleep( 10000 );
3018     }
3019
3020     /* Release callback */
3021     if( p_vout )
3022     {
3023         var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
3024         var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
3025         vlc_object_release( p_vout );
3026     }
3027     var_DelCallback( p_ev->p_libvlc, "key-pressed", EventKey, p_ev );
3028
3029     vlc_mutex_destroy( &p_ev->lock );
3030
3031     return VLC_SUCCESS;
3032 }
3033
3034 void matroska_segment_c::UnSelect( )
3035 {
3036     size_t i_track;
3037
3038     for( i_track = 0; i_track < tracks.size(); i_track++ )
3039     {
3040         if ( tracks[i_track]->p_es != NULL )
3041         {
3042 //            es_format_Clean( &tracks[i_track]->fmt );
3043             es_out_Del( sys.demuxer.out, tracks[i_track]->p_es );
3044             tracks[i_track]->p_es = NULL;
3045         }
3046     }
3047     delete ep;
3048     ep = NULL;
3049 }
3050
3051 void virtual_segment_c::PrepareChapters( )
3052 {
3053     if ( linked_segments.size() == 0 )
3054         return;
3055
3056     // !!! should be called only once !!!
3057     matroska_segment_c *p_segment;
3058     size_t i, j;
3059
3060     // copy editions from the first segment
3061     p_segment = linked_segments[0];
3062     p_editions = &p_segment->stored_editions;
3063
3064     for ( i=1 ; i<linked_segments.size(); i++ )
3065     {
3066         p_segment = linked_segments[i];
3067         // FIXME assume we have the same editions in all segments
3068         for (j=0; j<p_segment->stored_editions.size(); j++)
3069             (*p_editions)[j]->Append( *p_segment->stored_editions[j] );
3070     }
3071 }
3072
3073 std::string chapter_edition_c::GetMainName() const
3074 {
3075     if ( sub_chapters.size() )
3076     {
3077         return sub_chapters[0]->GetCodecName( true );
3078     }
3079     return "";
3080 }
3081
3082 int chapter_item_c::PublishChapters( input_title_t & title, int & i_user_chapters, int i_level )
3083 {
3084     // add support for meta-elements from codec like DVD Titles
3085     if ( !b_display_seekpoint || psz_name == "" )
3086     {
3087         psz_name = GetCodecName();
3088         if ( psz_name != "" )
3089             b_display_seekpoint = true;
3090     }
3091
3092     if (b_display_seekpoint)
3093     {
3094         seekpoint_t *sk = vlc_seekpoint_New();
3095
3096         sk->i_level = i_level;
3097         sk->i_time_offset = i_start_time;
3098         sk->psz_name = strdup( psz_name.c_str() );
3099
3100         // A start time of '0' is ok. A missing ChapterTime element is ok, too, because '0' is its default value.
3101         title.i_seekpoint++;
3102         title.seekpoint = (seekpoint_t**)realloc( title.seekpoint, title.i_seekpoint * sizeof( seekpoint_t* ) );
3103         title.seekpoint[title.i_seekpoint-1] = sk;
3104
3105         if ( b_user_display )
3106             i_user_chapters++;
3107     }
3108
3109     for ( size_t i=0; i<sub_chapters.size() ; i++)
3110     {
3111         sub_chapters[i]->PublishChapters( title, i_user_chapters, i_level+1 );
3112     }
3113
3114     i_seekpoint_num = i_user_chapters;
3115
3116     return i_user_chapters;
3117 }
3118
3119 bool virtual_segment_c::UpdateCurrentToChapter( demux_t & demux )
3120 {
3121     demux_sys_t & sys = *demux.p_sys;
3122     chapter_item_c *psz_curr_chapter;
3123     bool b_has_seeked = false;
3124
3125     /* update current chapter/seekpoint */
3126     if ( p_editions->size() )
3127     {
3128         /* 1st, we need to know in which chapter we are */
3129         psz_curr_chapter = (*p_editions)[i_current_edition]->FindTimecode( sys.i_pts, psz_current_chapter );
3130
3131         /* we have moved to a new chapter */
3132         if (psz_curr_chapter != NULL && psz_current_chapter != psz_curr_chapter)
3133         {
3134             if ( (*p_editions)[i_current_edition]->b_ordered )
3135             {
3136                 // Leave/Enter up to the link point
3137                 b_has_seeked = psz_curr_chapter->EnterAndLeave( psz_current_chapter );
3138                 if ( !b_has_seeked )
3139                 {
3140                     // only physically seek if necessary
3141                     if ( psz_current_chapter == NULL || (psz_current_chapter->i_end_time != psz_curr_chapter->i_start_time) )
3142                         Seek( demux, sys.i_pts, 0, psz_curr_chapter );
3143                 }
3144             }
3145
3146             if ( !b_has_seeked )
3147             {
3148                 psz_current_chapter = psz_curr_chapter;
3149                 if ( psz_curr_chapter->i_seekpoint_num > 0 )
3150                 {
3151                     demux.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
3152                     demux.info.i_title = sys.i_current_title = i_sys_title;
3153                     demux.info.i_seekpoint = psz_curr_chapter->i_seekpoint_num - 1;
3154                 }
3155             }
3156
3157             return true;
3158         }
3159         else if (psz_curr_chapter == NULL)
3160         {
3161             // out of the scope of the data described by chapters, leave the edition
3162             if ( (*p_editions)[i_current_edition]->b_ordered && psz_current_chapter != NULL )
3163             {
3164                 if ( !(*p_editions)[i_current_edition]->EnterAndLeave( psz_current_chapter, false ) )
3165                     psz_current_chapter = NULL;
3166                 else
3167                     return true;
3168             }
3169         }
3170     }
3171     return false;
3172 }
3173
3174 chapter_item_c *virtual_segment_c::BrowseCodecPrivate( unsigned int codec_id,
3175                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
3176                                     const void *p_cookie,
3177                                     size_t i_cookie_size )
3178 {
3179     // FIXME don't assume it is the first edition
3180     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
3181     if ( index != p_editions->end() )
3182     {
3183         chapter_item_c *p_result = (*index)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
3184         if ( p_result != NULL )
3185             return p_result;
3186     }
3187     return NULL;
3188 }
3189
3190 chapter_item_c *virtual_segment_c::FindChapter( int64_t i_find_uid )
3191 {
3192     // FIXME don't assume it is the first edition
3193     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
3194     if ( index != p_editions->end() )
3195     {
3196         chapter_item_c *p_result = (*index)->FindChapter( i_find_uid );
3197         if ( p_result != NULL )
3198             return p_result;
3199     }
3200     return NULL;
3201 }
3202
3203 chapter_item_c *chapter_item_c::BrowseCodecPrivate( unsigned int codec_id,
3204                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
3205                                     const void *p_cookie,
3206                                     size_t i_cookie_size )
3207 {
3208     // this chapter
3209     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
3210     while ( index != codecs.end() )
3211     {
3212         if ( match( **index ,p_cookie, i_cookie_size ) )
3213             return this;
3214         index++;
3215     }
3216
3217     // sub-chapters
3218     chapter_item_c *p_result = NULL;
3219     std::vector<chapter_item_c*>::const_iterator index2 = sub_chapters.begin();
3220     while ( index2 != sub_chapters.end() )
3221     {
3222         p_result = (*index2)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
3223         if ( p_result != NULL )
3224             return p_result;
3225         index2++;
3226     }
3227
3228     return p_result;
3229 }
3230
3231 void chapter_item_c::Append( const chapter_item_c & chapter )
3232 {
3233     // we are appending content for the same chapter UID
3234     size_t i;
3235     chapter_item_c *p_chapter;
3236
3237     for ( i=0; i<chapter.sub_chapters.size(); i++ )
3238     {
3239         p_chapter = FindChapter( chapter.sub_chapters[i]->i_uid );
3240         if ( p_chapter != NULL )
3241         {
3242             p_chapter->Append( *chapter.sub_chapters[i] );
3243         }
3244         else
3245         {
3246             sub_chapters.push_back( chapter.sub_chapters[i] );
3247         }
3248     }
3249
3250     i_user_start_time = min( i_user_start_time, chapter.i_user_start_time );
3251     i_user_end_time = max( i_user_end_time, chapter.i_user_end_time );
3252 }
3253
3254 chapter_item_c * chapter_item_c::FindChapter( int64_t i_find_uid )
3255 {
3256     size_t i;
3257     chapter_item_c *p_result = NULL;
3258
3259     if ( i_uid == i_find_uid )
3260         return this;
3261
3262     for ( i=0; i<sub_chapters.size(); i++)
3263     {
3264         p_result = sub_chapters[i]->FindChapter( i_find_uid );
3265         if ( p_result != NULL )
3266             break;
3267     }
3268     return p_result;
3269 }
3270
3271 std::string chapter_item_c::GetCodecName( bool f_for_title ) const
3272 {
3273     std::string result;
3274
3275     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
3276     while ( index != codecs.end() )
3277     {
3278         result = (*index)->GetCodecName( f_for_title );
3279         if ( result != "" )
3280             break;
3281         index++;
3282     }
3283
3284     return result;
3285 }
3286
3287 std::string dvd_chapter_codec_c::GetCodecName( bool f_for_title ) const
3288 {
3289     std::string result;
3290     if ( p_private_data->GetSize() >= 3)
3291     {
3292         const binary* p_data = p_private_data->GetBuffer();
3293 /*        if ( p_data[0] == MATROSKA_DVD_LEVEL_TT )
3294         {
3295             uint16_t i_title = (p_data[1] << 8) + p_data[2];
3296             char psz_str[11];
3297             sprintf( psz_str, " %d  ---", i_title );
3298             result = N_("---  DVD Title");
3299             result += psz_str;
3300         }
3301         else */ if ( p_data[0] == MATROSKA_DVD_LEVEL_LU )
3302         {
3303             char psz_str[11];
3304             sprintf( psz_str, " (%c%c)  ---", p_data[1], p_data[2] );
3305             result = N_("---  DVD Menu");
3306             result += psz_str;
3307         }
3308         else if ( p_data[0] == MATROSKA_DVD_LEVEL_SS && f_for_title )
3309         {
3310             if ( p_data[1] == 0x00 )
3311                 result = N_("First Played");
3312             else if ( p_data[1] == 0xC0 )
3313                 result = N_("Video Manager");
3314             else if ( p_data[1] == 0x80 )
3315             {
3316                 uint16_t i_title = (p_data[2] << 8) + p_data[3];
3317                 char psz_str[20];
3318                 sprintf( psz_str, " %d -----", i_title );
3319                 result = N_("----- Title");
3320                 result += psz_str;
3321             }
3322         }
3323     }
3324
3325     return result;
3326 }
3327
3328 int16 chapter_item_c::GetTitleNumber( ) const
3329 {
3330     int result = -1;
3331
3332     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
3333     while ( index != codecs.end() )
3334     {
3335         result = (*index)->GetTitleNumber( );
3336         if ( result >= 0 )
3337             break;
3338         index++;
3339     }
3340
3341     return result;
3342 }
3343
3344 int16 dvd_chapter_codec_c::GetTitleNumber()
3345 {
3346     if ( p_private_data->GetSize() >= 3)
3347     {
3348         const binary* p_data = p_private_data->GetBuffer();
3349         if ( p_data[0] == MATROSKA_DVD_LEVEL_SS )
3350         {
3351             return int16( (p_data[2] << 8) + p_data[3] );
3352         }
3353     }
3354     return -1;
3355 }
3356
3357 static void Seek( demux_t *p_demux, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter )
3358 {
3359     demux_sys_t        *p_sys = p_demux->p_sys;
3360     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3361     matroska_segment_c *p_segment = p_vsegment->Segment();
3362     mtime_t            i_time_offset = 0;
3363
3364     int         i_index;
3365
3366     msg_Dbg( p_demux, "seek request to "I64Fd" (%f%%)", i_date, f_percent );
3367     if( i_date < 0 && f_percent < 0 )
3368     {
3369         msg_Warn( p_demux, "cannot seek nowhere !" );
3370         return;
3371     }
3372     if( f_percent > 1.0 )
3373     {
3374         msg_Warn( p_demux, "cannot seek so far !" );
3375         return;
3376     }
3377
3378     /* seek without index or without date */
3379     if( f_percent >= 0 && (config_GetInt( p_demux, "mkv-seek-percent" ) || !p_segment->b_cues || i_date < 0 ))
3380     {
3381         if (p_sys->f_duration >= 0)
3382         {
3383             i_date = int64_t( f_percent * p_sys->f_duration * 1000.0 );
3384         }
3385         else
3386         {
3387             int64_t i_pos = int64_t( f_percent * stream_Size( p_demux->s ) );
3388
3389             msg_Dbg( p_demux, "inacurate way of seeking" );
3390             for( i_index = 0; i_index < p_segment->i_index; i_index++ )
3391             {
3392                 if( p_segment->p_indexes[i_index].i_position >= i_pos)
3393                 {
3394                     break;
3395                 }
3396             }
3397             if( i_index == p_segment->i_index )
3398             {
3399                 i_index--;
3400             }
3401
3402             i_date = p_segment->p_indexes[i_index].i_time;
3403
3404 #if 0
3405             if( p_segment->p_indexes[i_index].i_position < i_pos )
3406             {
3407                 EbmlElement *el;
3408
3409                 msg_Warn( p_demux, "searching for cluster, could take some time" );
3410
3411                 /* search a cluster */
3412                 while( ( el = p_sys->ep->Get() ) != NULL )
3413                 {
3414                     if( MKV_IS_ID( el, KaxCluster ) )
3415                     {
3416                         KaxCluster *cluster = (KaxCluster*)el;
3417
3418                         /* add it to the index */
3419                         p_segment->IndexAppendCluster( cluster );
3420
3421                         if( (int64_t)cluster->GetElementPosition() >= i_pos )
3422                         {
3423                             p_sys->cluster = cluster;
3424                             p_sys->ep->Down();
3425                             break;
3426                         }
3427                     }
3428                 }
3429             }
3430 #endif
3431         }
3432     }
3433
3434     p_vsegment->Seek( *p_demux, i_date, i_time_offset, psz_chapter );
3435 }
3436
3437 /*****************************************************************************
3438  * Demux: reads and demuxes data packets
3439  *****************************************************************************
3440  * Returns -1 in case of error, 0 in case of EOF, 1 otherwise
3441  *****************************************************************************/
3442 static int Demux( demux_t *p_demux)
3443 {
3444     demux_sys_t        *p_sys = p_demux->p_sys;
3445
3446     vlc_mutex_lock( &p_sys->lock_demuxer );
3447
3448     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3449     matroska_segment_c *p_segment = p_vsegment->Segment();
3450     if ( p_segment == NULL ) return 0;
3451     int                i_block_count = 0;
3452     int                i_return = 0;
3453
3454     for( ;; )
3455     {
3456         if ( p_sys->demuxer.b_die )
3457             break;
3458
3459         if( p_sys->i_pts >= p_sys->i_start_pts  )
3460             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3461             {
3462                 i_return = 1;
3463                 break;
3464             }
3465
3466         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3467         {
3468             /* nothing left to read in this ordered edition */
3469             if ( !p_vsegment->SelectNext() )
3470                 break;
3471             p_segment->UnSelect( );
3472
3473             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3474
3475             /* switch to the next segment */
3476             p_segment = p_vsegment->Segment();
3477             if ( !p_segment->Select( 0 ) )
3478             {
3479                 msg_Err( p_demux, "Failed to select new segment" );
3480                 break;
3481             }
3482             continue;
3483         }
3484
3485         KaxBlock *block;
3486         int64_t i_block_duration = 0;
3487         int64_t i_block_ref1;
3488         int64_t i_block_ref2;
3489
3490 #if LIBMATROSKA_VERSION >= 0x000800
3491         KaxSimpleBlock *simpleblock;
3492
3493         if( p_segment->BlockGet( block, simpleblock, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
3494 #else
3495         if( p_segment->BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
3496 #endif
3497         {
3498             if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered )
3499             {
3500                 const chapter_item_c *p_chap = p_vsegment->CurrentChapter();
3501                 // check if there are more chapters to read
3502                 if ( p_chap != NULL )
3503                 {
3504                     /* TODO handle successive chapters with the same user_start_time/user_end_time
3505                     if ( p_chap->i_user_start_time == p_chap->i_user_start_time )
3506                         p_vsegment->SelectNext();
3507                     */
3508                     p_sys->i_pts = p_chap->i_user_end_time;
3509                     p_sys->i_pts++; // trick to avoid staying on segments with no duration and no content
3510
3511                     i_return = 1;
3512                 }
3513
3514                 break;
3515             }
3516             else
3517             {
3518                 msg_Warn( p_demux, "cannot get block EOF?" );
3519                 p_segment->UnSelect( );
3520
3521                 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3522
3523                 /* switch to the next segment */
3524                 if ( !p_vsegment->SelectNext() )
3525                     // no more segments in this stream
3526                     break;
3527                 p_segment = p_vsegment->Segment();
3528                 if ( !p_segment->Select( 0 ) )
3529                 {
3530                     msg_Err( p_demux, "Failed to select new segment" );
3531                     break;
3532                 }
3533
3534                 continue;
3535             }
3536         }
3537
3538 #if LIBMATROSKA_VERSION >= 0x000800
3539         if ( simpleblock != NULL )
3540             p_sys->i_pts = (p_sys->i_chapter_time + simpleblock->GlobalTimecode()) / (mtime_t) 1000;
3541         else
3542 #endif
3543         p_sys->i_pts = (p_sys->i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
3544
3545         if( p_sys->i_pts >= p_sys->i_start_pts  )
3546         {
3547             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pts );
3548
3549             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3550             {
3551                 i_return = 1;
3552                 delete block;
3553                 break;
3554             }
3555         }
3556
3557         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3558         {
3559             /* nothing left to read in this ordered edition */
3560             if ( !p_vsegment->SelectNext() )
3561             {
3562                 delete block;
3563                 break;
3564             }
3565             p_segment->UnSelect( );
3566
3567             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3568
3569             /* switch to the next segment */
3570             p_segment = p_vsegment->Segment();
3571             if ( !p_segment->Select( 0 ) )
3572             {
3573                 msg_Err( p_demux, "Failed to select new segment" );
3574                 delete block;
3575                 break;
3576             }
3577             delete block;
3578             continue;
3579         }
3580
3581 #if LIBMATROSKA_VERSION >= 0x000800
3582         BlockDecode( p_demux, block, simpleblock, p_sys->i_pts, i_block_duration, i_block_ref1 >= 0 || i_block_ref2 > 0 );
3583 #else
3584         BlockDecode( p_demux, block, p_sys->i_pts, i_block_duration, i_block_ref1 >= 0 || i_block_ref2 > 0 );
3585 #endif
3586
3587         delete block;
3588         i_block_count++;
3589
3590         // TODO optimize when there is need to leave or when seeking has been called
3591         if( i_block_count > 5 )
3592         {
3593             i_return = 1;
3594             break;
3595         }
3596     }
3597
3598     vlc_mutex_unlock( &p_sys->lock_demuxer );
3599
3600     return i_return;
3601 }
3602
3603
3604
3605 /*****************************************************************************
3606  * Stream managment
3607  *****************************************************************************/
3608 vlc_stream_io_callback::vlc_stream_io_callback( stream_t *s_, vlc_bool_t b_owner_ )
3609 {
3610     s = s_;
3611     b_owner = b_owner_;
3612     mb_eof = VLC_FALSE;
3613 }
3614
3615 uint32 vlc_stream_io_callback::read( void *p_buffer, size_t i_size )
3616 {
3617     if( i_size <= 0 || mb_eof )
3618     {
3619         return 0;
3620     }
3621
3622     return stream_Read( s, p_buffer, i_size );
3623 }
3624 void vlc_stream_io_callback::setFilePointer(int64_t i_offset, seek_mode mode )
3625 {
3626     int64_t i_pos;
3627
3628     switch( mode )
3629     {
3630         case seek_beginning:
3631             i_pos = i_offset;
3632             break;
3633         case seek_end:
3634             i_pos = stream_Size( s ) - i_offset;
3635             break;
3636         default:
3637             i_pos= stream_Tell( s ) + i_offset;
3638             break;
3639     }
3640
3641     if( i_pos < 0 || i_pos >= stream_Size( s ) )
3642     {
3643         mb_eof = VLC_TRUE;
3644         return;
3645     }
3646
3647     mb_eof = VLC_FALSE;
3648     if( stream_Seek( s, i_pos ) )
3649     {
3650         mb_eof = VLC_TRUE;
3651     }
3652     return;
3653 }
3654 size_t vlc_stream_io_callback::write( const void *p_buffer, size_t i_size )
3655 {
3656     return 0;
3657 }
3658 uint64 vlc_stream_io_callback::getFilePointer( void )
3659 {
3660     if ( s == NULL )
3661         return 0;
3662     return stream_Tell( s );
3663 }
3664 void vlc_stream_io_callback::close( void )
3665 {
3666     return;
3667 }
3668
3669
3670 /*****************************************************************************
3671  * Ebml Stream parser
3672  *****************************************************************************/
3673 EbmlParser::EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux )
3674 {
3675     int i;
3676
3677     m_es = es;
3678     m_got = NULL;
3679     m_el[0] = el_start;
3680     mi_remain_size[0] = el_start->GetSize();
3681
3682     for( i = 1; i < 6; i++ )
3683     {
3684         m_el[i] = NULL;
3685     }
3686     mi_level = 1;
3687     mi_user_level = 1;
3688     mb_keep = VLC_FALSE;
3689     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3690 }
3691
3692 EbmlParser::~EbmlParser( void )
3693 {
3694     int i;
3695
3696     for( i = 1; i < mi_level; i++ )
3697     {
3698         if( !mb_keep )
3699         {
3700             delete m_el[i];
3701         }
3702         mb_keep = VLC_FALSE;
3703     }
3704 }
3705
3706 EbmlElement* EbmlParser::UnGet( uint64 i_block_pos, uint64 i_cluster_pos )
3707 {
3708     if ( mi_user_level > mi_level )
3709     {
3710         while ( mi_user_level != mi_level )
3711         {
3712             delete m_el[mi_user_level];
3713             m_el[mi_user_level] = NULL;
3714             mi_user_level--;
3715         }
3716     }
3717     m_got = NULL;
3718     mb_keep = VLC_FALSE;
3719     if ( m_el[1]->GetElementPosition() == i_cluster_pos )
3720     {
3721         m_es->I_O().setFilePointer( i_block_pos, seek_beginning );
3722         return (EbmlMaster*) m_el[1];
3723     }
3724     else
3725     {
3726         // seek to the previous Cluster
3727         m_es->I_O().setFilePointer( i_cluster_pos, seek_beginning );
3728         mi_level--;
3729         mi_user_level--;
3730         delete m_el[mi_level];
3731         m_el[mi_level] = NULL;
3732         return NULL;
3733     }
3734 }
3735
3736 void EbmlParser::Up( void )
3737 {
3738     if( mi_user_level == mi_level )
3739     {
3740         fprintf( stderr," arrrrrrrrrrrrrg Up cannot escape itself\n" );
3741     }
3742
3743     mi_user_level--;
3744 }
3745
3746 void EbmlParser::Down( void )
3747 {
3748     mi_user_level++;
3749     mi_level++;
3750 }
3751
3752 void EbmlParser::Keep( void )
3753 {
3754     mb_keep = VLC_TRUE;
3755 }
3756
3757 int EbmlParser::GetLevel( void )
3758 {
3759     return mi_user_level;
3760 }
3761
3762 void EbmlParser::Reset( demux_t *p_demux )
3763 {
3764     while ( mi_level > 0)
3765     {
3766         delete m_el[mi_level];
3767         m_el[mi_level] = NULL;
3768         mi_level--;
3769     }
3770     mi_user_level = mi_level = 1;
3771 #if LIBEBML_VERSION >= 0x000704
3772     // a little faster and cleaner
3773     m_es->I_O().setFilePointer( static_cast<KaxSegment*>(m_el[0])->GetGlobalPosition(0) );
3774 #else
3775     m_es->I_O().setFilePointer( m_el[0]->GetElementPosition() + m_el[0]->ElementSize(true) - m_el[0]->GetSize() );
3776 #endif
3777     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3778 }
3779
3780 EbmlElement *EbmlParser::Get( void )
3781 {
3782     int i_ulev = 0;
3783
3784     if( mi_user_level != mi_level )
3785     {
3786         return NULL;
3787     }
3788     if( m_got )
3789     {
3790         EbmlElement *ret = m_got;
3791         m_got = NULL;
3792
3793         return ret;
3794     }
3795
3796     if( m_el[mi_level] )
3797     {
3798         m_el[mi_level]->SkipData( *m_es, m_el[mi_level]->Generic().Context );
3799         if( !mb_keep )
3800         {
3801             delete m_el[mi_level];
3802         }
3803         mb_keep = VLC_FALSE;
3804     }
3805
3806     m_el[mi_level] = m_es->FindNextElement( m_el[mi_level - 1]->Generic().Context, i_ulev, 0xFFFFFFFFL, mb_dummy != 0, 1 );
3807 //    mi_remain_size[mi_level] = m_el[mi_level]->GetSize();
3808     if( i_ulev > 0 )
3809     {
3810         while( i_ulev > 0 )
3811         {
3812             if( mi_level == 1 )
3813             {
3814                 mi_level = 0;
3815                 return NULL;
3816             }
3817
3818             delete m_el[mi_level - 1];
3819             m_got = m_el[mi_level -1] = m_el[mi_level];
3820             m_el[mi_level] = NULL;
3821
3822             mi_level--;
3823             i_ulev--;
3824         }
3825         return NULL;
3826     }
3827     else if( m_el[mi_level] == NULL )
3828     {
3829         fprintf( stderr," m_el[mi_level] == NULL\n" );
3830     }
3831
3832     return m_el[mi_level];
3833 }
3834
3835
3836 /*****************************************************************************
3837  * Tools
3838  *  * LoadCues : load the cues element and update index
3839  *
3840  *  * LoadTags : load ... the tags element
3841  *
3842  *  * InformationCreate : create all information, load tags if present
3843  *
3844  *****************************************************************************/
3845 void matroska_segment_c::LoadCues( )
3846 {
3847     int64_t     i_sav_position = es.I_O().getFilePointer();
3848     EbmlParser  *ep;
3849     EbmlElement *el, *cues;
3850
3851     /* *** Load the cue if found *** */
3852     if( i_cues_position < 0 )
3853     {
3854         msg_Warn( &sys.demuxer, "no cues/empty cues found->seek won't be precise" );
3855
3856 //        IndexAppendCluster( cluster );
3857     }
3858
3859     vlc_bool_t b_seekable;
3860
3861     stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
3862     if( !b_seekable )
3863         return;
3864
3865     msg_Dbg( &sys.demuxer, "loading cues" );
3866     es.I_O().setFilePointer( i_cues_position, seek_beginning );
3867     cues = es.FindNextID( KaxCues::ClassInfos, 0xFFFFFFFFL);
3868
3869     if( cues == NULL )
3870     {
3871         msg_Err( &sys.demuxer, "cannot load cues (broken seekhead or file)" );
3872         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3873         return;
3874     }
3875
3876     ep = new EbmlParser( &es, cues, &sys.demuxer );
3877     while( ( el = ep->Get() ) != NULL )
3878     {
3879         if( MKV_IS_ID( el, KaxCuePoint ) )
3880         {
3881 #define idx p_indexes[i_index]
3882
3883             idx.i_track       = -1;
3884             idx.i_block_number= -1;
3885             idx.i_position    = -1;
3886             idx.i_time        = 0;
3887             idx.b_key         = VLC_TRUE;
3888
3889             ep->Down();
3890             while( ( el = ep->Get() ) != NULL )
3891             {
3892                 if( MKV_IS_ID( el, KaxCueTime ) )
3893                 {
3894                     KaxCueTime &ctime = *(KaxCueTime*)el;
3895
3896                     ctime.ReadData( es.I_O() );
3897
3898                     idx.i_time = uint64( ctime ) * i_timescale / (mtime_t)1000;
3899                 }
3900                 else if( MKV_IS_ID( el, KaxCueTrackPositions ) )
3901                 {
3902                     ep->Down();
3903                     while( ( el = ep->Get() ) != NULL )
3904                     {
3905                         if( MKV_IS_ID( el, KaxCueTrack ) )
3906                         {
3907                             KaxCueTrack &ctrack = *(KaxCueTrack*)el;
3908
3909                             ctrack.ReadData( es.I_O() );
3910                             idx.i_track = uint16( ctrack );
3911                         }
3912                         else if( MKV_IS_ID( el, KaxCueClusterPosition ) )
3913                         {
3914                             KaxCueClusterPosition &ccpos = *(KaxCueClusterPosition*)el;
3915
3916                             ccpos.ReadData( es.I_O() );
3917                             idx.i_position = segment->GetGlobalPosition( uint64( ccpos ) );
3918                         }
3919                         else if( MKV_IS_ID( el, KaxCueBlockNumber ) )
3920                         {
3921                             KaxCueBlockNumber &cbnum = *(KaxCueBlockNumber*)el;
3922
3923                             cbnum.ReadData( es.I_O() );
3924                             idx.i_block_number = uint32( cbnum );
3925                         }
3926                         else
3927                         {
3928                             msg_Dbg( &sys.demuxer, "         * Unknown (%s)", typeid(*el).name() );
3929                         }
3930                     }
3931                     ep->Up();
3932                 }
3933                 else
3934                 {
3935                     msg_Dbg( &sys.demuxer, "     * Unknown (%s)", typeid(*el).name() );
3936                 }
3937             }
3938             ep->Up();
3939
3940 #if 0
3941             msg_Dbg( &sys.demuxer, " * added time="I64Fd" pos="I64Fd
3942                      " track=%d bnum=%d", idx.i_time, idx.i_position,
3943                      idx.i_track, idx.i_block_number );
3944 #endif
3945
3946             i_index++;
3947             if( i_index >= i_index_max )
3948             {
3949                 i_index_max += 1024;
3950                 p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
3951             }
3952 #undef idx
3953         }
3954         else
3955         {
3956             msg_Dbg( &sys.demuxer, " * Unknown (%s)", typeid(*el).name() );
3957         }
3958     }
3959     delete ep;
3960     delete cues;
3961
3962     b_cues = VLC_TRUE;
3963
3964     msg_Dbg( &sys.demuxer, "loading cues done." );
3965     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3966 }
3967
3968 void matroska_segment_c::LoadTags( )
3969 {
3970     int64_t     i_sav_position = es.I_O().getFilePointer();
3971     EbmlParser  *ep;
3972     EbmlElement *el, *tags;
3973
3974     msg_Dbg( &sys.demuxer, "loading tags" );
3975     es.I_O().setFilePointer( i_tags_position, seek_beginning );
3976     tags = es.FindNextID( KaxTags::ClassInfos, 0xFFFFFFFFL);
3977
3978     if( tags == NULL )
3979     {
3980         msg_Err( &sys.demuxer, "cannot load tags (broken seekhead or file)" );
3981         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3982         return;
3983     }
3984
3985     msg_Dbg( &sys.demuxer, "Tags" );
3986     ep = new EbmlParser( &es, tags, &sys.demuxer );
3987     while( ( el = ep->Get() ) != NULL )
3988     {
3989         if( MKV_IS_ID( el, KaxTag ) )
3990         {
3991             msg_Dbg( &sys.demuxer, "+ Tag" );
3992             ep->Down();
3993             while( ( el = ep->Get() ) != NULL )
3994             {
3995                 if( MKV_IS_ID( el, KaxTagTargets ) )
3996                 {
3997                     msg_Dbg( &sys.demuxer, "|   + Targets" );
3998                     ep->Down();
3999                     while( ( el = ep->Get() ) != NULL )
4000                     {
4001                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
4002                     }
4003                     ep->Up();
4004                 }
4005                 else if( MKV_IS_ID( el, KaxTagGeneral ) )
4006                 {
4007                     msg_Dbg( &sys.demuxer, "|   + General" );
4008                     ep->Down();
4009                     while( ( el = ep->Get() ) != NULL )
4010                     {
4011                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
4012                     }
4013                     ep->Up();
4014                 }
4015                 else if( MKV_IS_ID( el, KaxTagGenres ) )
4016                 {
4017                     msg_Dbg( &sys.demuxer, "|   + Genres" );
4018                     ep->Down();
4019                     while( ( el = ep->Get() ) != NULL )
4020                     {
4021                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
4022                     }
4023                     ep->Up();
4024                 }
4025                 else if( MKV_IS_ID( el, KaxTagAudioSpecific ) )
4026                 {
4027                     msg_Dbg( &sys.demuxer, "|   + Audio Specific" );
4028                     ep->Down();
4029                     while( ( el = ep->Get() ) != NULL )
4030                     {
4031                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
4032                     }
4033                     ep->Up();
4034                 }
4035                 else if( MKV_IS_ID( el, KaxTagImageSpecific ) )
4036                 {
4037                     msg_Dbg( &sys.demuxer, "|   + Images Specific" );
4038                     ep->Down();
4039                     while( ( el = ep->Get() ) != NULL )
4040                     {
4041                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
4042                     }
4043                     ep->Up();
4044                 }
4045                 else if( MKV_IS_ID( el, KaxTagMultiComment ) )
4046                 {
4047                     msg_Dbg( &sys.demuxer, "|   + Multi Comment" );
4048                 }
4049                 else if( MKV_IS_ID( el, KaxTagMultiCommercial ) )
4050                 {
4051                     msg_Dbg( &sys.demuxer, "|   + Multi Commercial" );
4052                 }
4053                 else if( MKV_IS_ID( el, KaxTagMultiDate ) )
4054                 {
4055                     msg_Dbg( &sys.demuxer, "|   + Multi Date" );
4056                 }
4057                 else if( MKV_IS_ID( el, KaxTagMultiEntity ) )
4058                 {
4059                     msg_Dbg( &sys.demuxer, "|   + Multi Entity" );
4060                 }
4061                 else if( MKV_IS_ID( el, KaxTagMultiIdentifier ) )
4062                 {
4063                     msg_Dbg( &sys.demuxer, "|   + Multi Identifier" );
4064                 }
4065                 else if( MKV_IS_ID( el, KaxTagMultiLegal ) )
4066                 {
4067                     msg_Dbg( &sys.demuxer, "|   + Multi Legal" );
4068                 }
4069                 else if( MKV_IS_ID( el, KaxTagMultiTitle ) )
4070                 {
4071                     msg_Dbg( &sys.demuxer, "|   + Multi Title" );
4072                 }
4073                 else
4074                 {
4075                     msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid( *el ).name() );
4076                 }
4077             }
4078             ep->Up();
4079         }
4080         else
4081         {
4082             msg_Dbg( &sys.demuxer, "+ Unknown (%s)", typeid( *el ).name() );
4083         }
4084     }
4085     delete ep;
4086     delete tags;
4087
4088     msg_Dbg( &sys.demuxer, "loading tags done." );
4089     es.I_O().setFilePointer( i_sav_position, seek_beginning );
4090 }
4091
4092 /*****************************************************************************
4093  * ParseSeekHead:
4094  *****************************************************************************/
4095 void matroska_segment_c::ParseSeekHead( KaxSeekHead *seekhead )
4096 {
4097     EbmlElement *el;
4098     size_t i, j;
4099     int i_upper_level = 0;
4100
4101     msg_Dbg( &sys.demuxer, "|   + Seek head" );
4102
4103     /* Master elements */
4104     seekhead->Read( es, seekhead->Generic().Context, i_upper_level, el, true );
4105
4106     for( i = 0; i < seekhead->ListSize(); i++ )
4107     {
4108         EbmlElement *l = (*seekhead)[i];
4109
4110         if( MKV_IS_ID( l, KaxSeek ) )
4111         {
4112             EbmlMaster *sk = static_cast<EbmlMaster *>(l);
4113             EbmlId id = EbmlVoid::ClassInfos.GlobalId;
4114             int64_t i_pos = -1;
4115
4116             for( j = 0; j < sk->ListSize(); j++ )
4117             {
4118                 EbmlElement *l = (*sk)[j];
4119
4120                 if( MKV_IS_ID( l, KaxSeekID ) )
4121                 {
4122                     KaxSeekID &sid = *(KaxSeekID*)l;
4123                     id = EbmlId( sid.GetBuffer(), sid.GetSize() );
4124                 }
4125                 else if( MKV_IS_ID( l, KaxSeekPosition ) )
4126                 {
4127                     KaxSeekPosition &spos = *(KaxSeekPosition*)l;
4128                     i_pos = uint64( spos );
4129                 }
4130                 else
4131                 {
4132                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
4133                 }
4134             }
4135
4136             if( i_pos >= 0 )
4137             {
4138                 if( id == KaxCues::ClassInfos.GlobalId )
4139                 {
4140                     msg_Dbg( &sys.demuxer, "|   |   |   = cues at "I64Fd, i_pos );
4141                     i_cues_position = segment->GetGlobalPosition( i_pos );
4142                 }
4143                 else if( id == KaxChapters::ClassInfos.GlobalId )
4144                 {
4145                     msg_Dbg( &sys.demuxer, "|   |   |   = chapters at "I64Fd, i_pos );
4146                     i_chapters_position = segment->GetGlobalPosition( i_pos );
4147                 }
4148                 else if( id == KaxTags::ClassInfos.GlobalId )
4149                 {
4150                     msg_Dbg( &sys.demuxer, "|   |   |   = tags at "I64Fd, i_pos );
4151                     i_tags_position = segment->GetGlobalPosition( i_pos );
4152                 }
4153             }
4154         }
4155         else
4156         {
4157             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4158         }
4159     }
4160 }
4161
4162 /*****************************************************************************
4163  * ParseTrackEntry:
4164  *****************************************************************************/
4165 void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
4166 {
4167     size_t i, j, k, n;
4168     bool bSupported = true;
4169
4170     mkv_track_t *tk;
4171
4172     msg_Dbg( &sys.demuxer, "|   |   + Track Entry" );
4173
4174     tk = new mkv_track_t();
4175
4176     /* Init the track */
4177     memset( tk, 0, sizeof( mkv_track_t ) );
4178
4179     es_format_Init( &tk->fmt, UNKNOWN_ES, 0 );
4180     tk->fmt.psz_language = strdup("English");
4181     tk->fmt.psz_description = NULL;
4182
4183     tk->b_default = VLC_TRUE;
4184     tk->b_enabled = VLC_TRUE;
4185     tk->b_silent = VLC_FALSE;
4186     tk->i_number = tracks.size() - 1;
4187     tk->i_extra_data = 0;
4188     tk->p_extra_data = NULL;
4189     tk->psz_codec = NULL;
4190     tk->i_default_duration = 0;
4191     tk->f_timecodescale = 1.0;
4192
4193     tk->b_inited = VLC_FALSE;
4194     tk->i_data_init = 0;
4195     tk->p_data_init = NULL;
4196
4197     tk->psz_codec_name = NULL;
4198     tk->psz_codec_settings = NULL;
4199     tk->psz_codec_info_url = NULL;
4200     tk->psz_codec_download_url = NULL;
4201
4202     tk->i_compression_type = MATROSKA_COMPRESSION_NONE;
4203     tk->p_compression_data = NULL;
4204
4205     for( i = 0; i < m->ListSize(); i++ )
4206     {
4207         EbmlElement *l = (*m)[i];
4208
4209         if( MKV_IS_ID( l, KaxTrackNumber ) )
4210         {
4211             KaxTrackNumber &tnum = *(KaxTrackNumber*)l;
4212
4213             tk->i_number = uint32( tnum );
4214             msg_Dbg( &sys.demuxer, "|   |   |   + Track Number=%u", uint32( tnum ) );
4215         }
4216         else  if( MKV_IS_ID( l, KaxTrackUID ) )
4217         {
4218             KaxTrackUID &tuid = *(KaxTrackUID*)l;
4219
4220             msg_Dbg( &sys.demuxer, "|   |   |   + Track UID=%u",  uint32( tuid ) );
4221         }
4222         else  if( MKV_IS_ID( l, KaxTrackType ) )
4223         {
4224             const char *psz_type;
4225             KaxTrackType &ttype = *(KaxTrackType*)l;
4226
4227             switch( uint8(ttype) )
4228             {
4229                 case track_audio:
4230                     psz_type = "audio";
4231                     tk->fmt.i_cat = AUDIO_ES;
4232                     break;
4233                 case track_video:
4234                     psz_type = "video";
4235                     tk->fmt.i_cat = VIDEO_ES;
4236                     break;
4237                 case track_subtitle:
4238                     psz_type = "subtitle";
4239                     tk->fmt.i_cat = SPU_ES;
4240                     break;
4241                 case track_buttons:
4242                     psz_type = "buttons";
4243                     tk->fmt.i_cat = SPU_ES;
4244                     break;
4245                 default:
4246                     psz_type = "unknown";
4247                     tk->fmt.i_cat = UNKNOWN_ES;
4248                     break;
4249             }
4250
4251             msg_Dbg( &sys.demuxer, "|   |   |   + Track Type=%s", psz_type );
4252         }
4253 //        else  if( EbmlId( *l ) == KaxTrackFlagEnabled::ClassInfos.GlobalId )
4254 //        {
4255 //            KaxTrackFlagEnabled &fenb = *(KaxTrackFlagEnabled*)l;
4256
4257 //            tk->b_enabled = uint32( fenb );
4258 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Enabled=%u",
4259 //                     uint32( fenb )  );
4260 //        }
4261         else  if( MKV_IS_ID( l, KaxTrackFlagDefault ) )
4262         {
4263             KaxTrackFlagDefault &fdef = *(KaxTrackFlagDefault*)l;
4264
4265             tk->b_default = uint32( fdef );
4266             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default=%u", uint32( fdef )  );
4267         }
4268         else  if( MKV_IS_ID( l, KaxTrackFlagLacing ) )
4269         {
4270             KaxTrackFlagLacing &lac = *(KaxTrackFlagLacing*)l;
4271
4272             msg_Dbg( &sys.demuxer, "|   |   |   + Track Lacing=%d", uint32( lac ) );
4273         }
4274         else  if( MKV_IS_ID( l, KaxTrackMinCache ) )
4275         {
4276             KaxTrackMinCache &cmin = *(KaxTrackMinCache*)l;
4277
4278             msg_Dbg( &sys.demuxer, "|   |   |   + Track MinCache=%d", uint32( cmin ) );
4279         }
4280         else  if( MKV_IS_ID( l, KaxTrackMaxCache ) )
4281         {
4282             KaxTrackMaxCache &cmax = *(KaxTrackMaxCache*)l;
4283
4284             msg_Dbg( &sys.demuxer, "|   |   |   + Track MaxCache=%d", uint32( cmax ) );
4285         }
4286         else  if( MKV_IS_ID( l, KaxTrackDefaultDuration ) )
4287         {
4288             KaxTrackDefaultDuration &defd = *(KaxTrackDefaultDuration*)l;
4289
4290             tk->i_default_duration = uint64(defd);
4291             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default Duration="I64Fd, uint64(defd) );
4292         }
4293         else  if( MKV_IS_ID( l, KaxTrackTimecodeScale ) )
4294         {
4295             KaxTrackTimecodeScale &ttcs = *(KaxTrackTimecodeScale*)l;
4296
4297             tk->f_timecodescale = float( ttcs );
4298             msg_Dbg( &sys.demuxer, "|   |   |   + Track TimeCodeScale=%f", tk->f_timecodescale );
4299         }
4300         else if( MKV_IS_ID( l, KaxTrackName ) )
4301         {
4302             KaxTrackName &tname = *(KaxTrackName*)l;
4303
4304             tk->fmt.psz_description = ToUTF8( UTFstring( tname ) );
4305             msg_Dbg( &sys.demuxer, "|   |   |   + Track Name=%s", tk->fmt.psz_description );
4306         }
4307         else  if( MKV_IS_ID( l, KaxTrackLanguage ) )
4308         {
4309             KaxTrackLanguage &lang = *(KaxTrackLanguage*)l;
4310
4311             if ( tk->fmt.psz_language != NULL )
4312                 free( tk->fmt.psz_language );
4313             tk->fmt.psz_language = strdup( string( lang ).c_str() );
4314             msg_Dbg( &sys.demuxer,
4315                      "|   |   |   + Track Language=`%s'", tk->fmt.psz_language );
4316         }
4317         else  if( MKV_IS_ID( l, KaxCodecID ) )
4318         {
4319             KaxCodecID &codecid = *(KaxCodecID*)l;
4320
4321             tk->psz_codec = strdup( string( codecid ).c_str() );
4322             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecId=%s", string( codecid ).c_str() );
4323         }
4324         else  if( MKV_IS_ID( l, KaxCodecPrivate ) )
4325         {
4326             KaxCodecPrivate &cpriv = *(KaxCodecPrivate*)l;
4327
4328             tk->i_extra_data = cpriv.GetSize();
4329             if( tk->i_extra_data > 0 )
4330             {
4331                 tk->p_extra_data = (uint8_t*)malloc( tk->i_extra_data );
4332                 memcpy( tk->p_extra_data, cpriv.GetBuffer(), tk->i_extra_data );
4333             }
4334             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecPrivate size="I64Fd, cpriv.GetSize() );
4335         }
4336         else if( MKV_IS_ID( l, KaxCodecName ) )
4337         {
4338             KaxCodecName &cname = *(KaxCodecName*)l;
4339
4340             tk->psz_codec_name = ToUTF8( UTFstring( cname ) );
4341             msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Name=%s", tk->psz_codec_name );
4342         }
4343         else if( MKV_IS_ID( l, KaxContentEncodings ) )
4344         {
4345             EbmlMaster *cencs = static_cast<EbmlMaster*>(l);
4346             MkvTree( sys.demuxer, 3, "Content Encodings" );
4347             if ( cencs->ListSize() > 1 )
4348             {
4349                 msg_Err( &sys.demuxer, "Multiple Compression method not supported" );
4350                 bSupported = false;
4351             }
4352             for( j = 0; j < cencs->ListSize(); j++ )
4353             {
4354                 EbmlElement *l2 = (*cencs)[j];
4355                 if( MKV_IS_ID( l2, KaxContentEncoding ) )
4356                 {
4357                     MkvTree( sys.demuxer, 4, "Content Encoding" );
4358                     EbmlMaster *cenc = static_cast<EbmlMaster*>(l2);
4359                     for( k = 0; k < cenc->ListSize(); k++ )
4360                     {
4361                         EbmlElement *l3 = (*cenc)[k];
4362                         if( MKV_IS_ID( l3, KaxContentEncodingOrder ) )
4363                         {
4364                             KaxContentEncodingOrder &encord = *(KaxContentEncodingOrder*)l3;
4365                             MkvTree( sys.demuxer, 5, "Order: %i", uint32( encord ) );
4366                         }
4367                         else if( MKV_IS_ID( l3, KaxContentEncodingScope ) )
4368                         {
4369                             KaxContentEncodingScope &encscope = *(KaxContentEncodingScope*)l3;
4370                             MkvTree( sys.demuxer, 5, "Scope: %i", uint32( encscope ) );
4371                         }
4372                         else if( MKV_IS_ID( l3, KaxContentEncodingType ) )
4373                         {
4374                             KaxContentEncodingType &enctype = *(KaxContentEncodingType*)l3;
4375                             MkvTree( sys.demuxer, 5, "Type: %i", uint32( enctype ) );
4376                         }
4377                         else if( MKV_IS_ID( l3, KaxContentCompression ) )
4378                         {
4379                             EbmlMaster *compr = static_cast<EbmlMaster*>(l3);
4380                             MkvTree( sys.demuxer, 5, "Content Compression" );
4381                             for( n = 0; n < compr->ListSize(); n++ )
4382                             {
4383                                 EbmlElement *l4 = (*compr)[n];
4384                                 if( MKV_IS_ID( l4, KaxContentCompAlgo ) )
4385                                 {
4386                                     KaxContentCompAlgo &compalg = *(KaxContentCompAlgo*)l4;
4387                                     MkvTree( sys.demuxer, 6, "Compression Algorithm: %i", uint32(compalg) );
4388                                     tk->i_compression_type = uint32( compalg );
4389                                     if ( ( tk->i_compression_type != MATROSKA_COMPRESSION_ZLIB ) &&
4390                                          ( tk->i_compression_type != MATROSKA_COMPRESSION_HEADER ) )
4391                                     {
4392                                         msg_Err( &sys.demuxer, "Track Compression method %d not supported", tk->i_compression_type );
4393                                         bSupported = false;
4394                                     }
4395                                 }
4396                                 else if( MKV_IS_ID( l4, KaxContentCompSettings ) )
4397                                 {
4398                                     tk->p_compression_data = new KaxContentCompSettings( *(KaxContentCompSettings*)l4 );
4399                                 }
4400                                 else
4401                                 {
4402                                     MkvTree( sys.demuxer, 6, "Unknown (%s)", typeid(*l4).name() );
4403                                 }
4404                             }
4405                         }
4406                         else
4407                         {
4408                             MkvTree( sys.demuxer, 5, "Unknown (%s)", typeid(*l3).name() );
4409                         }
4410                     }
4411                 }
4412                 else
4413                 {
4414                     MkvTree( sys.demuxer, 4, "Unknown (%s)", typeid(*l2).name() );
4415                 }
4416             }
4417         }
4418 //        else if( EbmlId( *l ) == KaxCodecSettings::ClassInfos.GlobalId )
4419 //        {
4420 //            KaxCodecSettings &cset = *(KaxCodecSettings*)l;
4421
4422 //            tk->psz_codec_settings = ToUTF8( UTFstring( cset ) );
4423 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Settings=%s", tk->psz_codec_settings );
4424 //        }
4425 //        else if( EbmlId( *l ) == KaxCodecInfoURL::ClassInfos.GlobalId )
4426 //        {
4427 //            KaxCodecInfoURL &ciurl = *(KaxCodecInfoURL*)l;
4428
4429 //            tk->psz_codec_info_url = strdup( string( ciurl ).c_str() );
4430 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_info_url );
4431 //        }
4432 //        else if( EbmlId( *l ) == KaxCodecDownloadURL::ClassInfos.GlobalId )
4433 //        {
4434 //            KaxCodecDownloadURL &cdurl = *(KaxCodecDownloadURL*)l;
4435
4436 //            tk->psz_codec_download_url = strdup( string( cdurl ).c_str() );
4437 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_download_url );
4438 //        }
4439 //        else if( EbmlId( *l ) == KaxCodecDecodeAll::ClassInfos.GlobalId )
4440 //        {
4441 //            KaxCodecDecodeAll &cdall = *(KaxCodecDecodeAll*)l;
4442
4443 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Decode All=%u <== UNUSED", uint8( cdall ) );
4444 //        }
4445 //        else if( EbmlId( *l ) == KaxTrackOverlay::ClassInfos.GlobalId )
4446 //        {
4447 //            KaxTrackOverlay &tovr = *(KaxTrackOverlay*)l;
4448
4449 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Overlay=%u <== UNUSED", uint32( tovr ) );
4450 //        }
4451         else  if( MKV_IS_ID( l, KaxTrackVideo ) )
4452         {
4453             EbmlMaster *tkv = static_cast<EbmlMaster*>(l);
4454             unsigned int j;
4455             unsigned int i_crop_right = 0, i_crop_left = 0, i_crop_top = 0, i_crop_bottom = 0;
4456             unsigned int i_display_unit = 0, i_display_width = 0, i_display_height = 0;
4457
4458             msg_Dbg( &sys.demuxer, "|   |   |   + Track Video" );
4459             tk->f_fps = 0.0;
4460
4461             tk->fmt.video.i_frame_rate_base = (unsigned int)(tk->i_default_duration / 1000);
4462             tk->fmt.video.i_frame_rate = 1000000;
4463
4464             for( j = 0; j < tkv->ListSize(); j++ )
4465             {
4466                 EbmlElement *l = (*tkv)[j];
4467 //                if( EbmlId( *el4 ) == KaxVideoFlagInterlaced::ClassInfos.GlobalId )
4468 //                {
4469 //                    KaxVideoFlagInterlaced &fint = *(KaxVideoFlagInterlaced*)el4;
4470
4471 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Interlaced=%u", uint8( fint ) );
4472 //                }
4473 //                else if( EbmlId( *el4 ) == KaxVideoStereoMode::ClassInfos.GlobalId )
4474 //                {
4475 //                    KaxVideoStereoMode &stereo = *(KaxVideoStereoMode*)el4;
4476
4477 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Stereo Mode=%u", uint8( stereo ) );
4478 //                }
4479 //                else
4480                 if( MKV_IS_ID( l, KaxVideoPixelWidth ) )
4481                 {
4482                     KaxVideoPixelWidth &vwidth = *(KaxVideoPixelWidth*)l;
4483
4484                     tk->fmt.video.i_width += uint16( vwidth );
4485                     msg_Dbg( &sys.demuxer, "|   |   |   |   + width=%d", uint16( vwidth ) );
4486                 }
4487                 else if( MKV_IS_ID( l, KaxVideoPixelHeight ) )
4488                 {
4489                     KaxVideoPixelWidth &vheight = *(KaxVideoPixelWidth*)l;
4490
4491                     tk->fmt.video.i_height += uint16( vheight );
4492                     msg_Dbg( &sys.demuxer, "|   |   |   |   + height=%d", uint16( vheight ) );
4493                 }
4494                 else if( MKV_IS_ID( l, KaxVideoDisplayWidth ) )
4495                 {
4496                     KaxVideoDisplayWidth &vwidth = *(KaxVideoDisplayWidth*)l;
4497
4498                     i_display_width = uint16( vwidth );
4499                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display width=%d", uint16( vwidth ) );
4500                 }
4501                 else if( MKV_IS_ID( l, KaxVideoDisplayHeight ) )
4502                 {
4503                     KaxVideoDisplayWidth &vheight = *(KaxVideoDisplayWidth*)l;
4504
4505                     i_display_height = uint16( vheight );
4506                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display height=%d", uint16( vheight ) );
4507                 }
4508                 else if( MKV_IS_ID( l, KaxVideoPixelCropBottom ) )
4509                 {
4510                     KaxVideoPixelCropBottom &cropval = *(KaxVideoPixelCropBottom*)l;
4511
4512                     i_crop_bottom = uint16( cropval );
4513                     msg_Dbg( &sys.demuxer, "|   |   |   |   + crop pixel bottom=%d", uint16( cropval ) );
4514                 }
4515                 else if( MKV_IS_ID( l, KaxVideoPixelCropTop ) )
4516                 {
4517                     KaxVideoPixelCropTop &cropval = *(KaxVideoPixelCropTop*)l;
4518
4519                     i_crop_top = uint16( cropval );
4520                     msg_Dbg( &sys.demuxer, "|   |   |   |   + crop pixel top=%d", uint16( cropval ) );
4521                 }
4522                 else if( MKV_IS_ID( l, KaxVideoPixelCropRight ) )
4523                 {
4524                     KaxVideoPixelCropRight &cropval = *(KaxVideoPixelCropRight*)l;
4525
4526                     i_crop_right = uint16( cropval );
4527                     msg_Dbg( &sys.demuxer, "|   |   |   |   + crop pixel right=%d", uint16( cropval ) );
4528                 }
4529                 else if( MKV_IS_ID( l, KaxVideoPixelCropLeft ) )
4530                 {
4531                     KaxVideoPixelCropLeft &cropval = *(KaxVideoPixelCropLeft*)l;
4532
4533                     i_crop_left = uint16( cropval );
4534                     msg_Dbg( &sys.demuxer, "|   |   |   |   + crop pixel left=%d", uint16( cropval ) );
4535                 }
4536                 else if( MKV_IS_ID( l, KaxVideoFrameRate ) )
4537                 {
4538                     KaxVideoFrameRate &vfps = *(KaxVideoFrameRate*)l;
4539
4540                     tk->f_fps = float( vfps );
4541                     msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( vfps ) );
4542                 }
4543                 else if( EbmlId( *l ) == KaxVideoDisplayUnit::ClassInfos.GlobalId )
4544                 {
4545                     KaxVideoDisplayUnit &vdmode = *(KaxVideoDisplayUnit*)l;
4546
4547                     i_display_unit = uint8( vdmode );
4548                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Display Unit=%s",
4549                              uint8( vdmode ) == 0 ? "pixels" : ( uint8( vdmode ) == 1 ? "centimeters": "inches" ) );
4550                 }
4551 //                else if( EbmlId( *l ) == KaxVideoAspectRatio::ClassInfos.GlobalId )
4552 //                {
4553 //                    KaxVideoAspectRatio &ratio = *(KaxVideoAspectRatio*)l;
4554
4555 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + Track Video Aspect Ratio Type=%u", uint8( ratio ) );
4556 //                }
4557 //                else if( EbmlId( *l ) == KaxVideoGamma::ClassInfos.GlobalId )
4558 //                {
4559 //                    KaxVideoGamma &gamma = *(KaxVideoGamma*)l;
4560
4561 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + gamma=%f", float( gamma ) );
4562 //                }
4563                 else
4564                 {
4565                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4566                 }
4567             }
4568             if( i_display_height && i_display_width )
4569                 tk->fmt.video.i_aspect = VOUT_ASPECT_FACTOR * i_display_width / i_display_height;
4570             if( i_crop_left || i_crop_right || i_crop_top || i_crop_bottom )
4571             {
4572                 tk->fmt.video.i_visible_width = tk->fmt.video.i_width;
4573                 tk->fmt.video.i_visible_height = tk->fmt.video.i_height;
4574                 tk->fmt.video.i_x_offset = i_crop_left;
4575                 tk->fmt.video.i_y_offset = i_crop_top;
4576                 tk->fmt.video.i_visible_width -= i_crop_left + i_crop_right;
4577                 tk->fmt.video.i_visible_height -= i_crop_top + i_crop_bottom;
4578             }
4579             /* FIXME: i_display_* allows you to not only set DAR, but also a zoom factor.
4580                we do not support this atm */
4581         }
4582         else  if( MKV_IS_ID( l, KaxTrackAudio ) )
4583         {
4584             EbmlMaster *tka = static_cast<EbmlMaster*>(l);
4585             unsigned int j;
4586
4587             msg_Dbg( &sys.demuxer, "|   |   |   + Track Audio" );
4588
4589             for( j = 0; j < tka->ListSize(); j++ )
4590             {
4591                 EbmlElement *l = (*tka)[j];
4592
4593                 if( MKV_IS_ID( l, KaxAudioSamplingFreq ) )
4594                 {
4595                     KaxAudioSamplingFreq &afreq = *(KaxAudioSamplingFreq*)l;
4596
4597                     tk->i_original_rate = tk->fmt.audio.i_rate = (int)float( afreq );
4598                     msg_Dbg( &sys.demuxer, "|   |   |   |   + afreq=%d", tk->fmt.audio.i_rate );
4599                 }
4600                 else if( MKV_IS_ID( l, KaxAudioOutputSamplingFreq ) )
4601                 {
4602                     KaxAudioOutputSamplingFreq &afreq = *(KaxAudioOutputSamplingFreq*)l;
4603
4604                     tk->fmt.audio.i_rate = (int)float( afreq );
4605                     msg_Dbg( &sys.demuxer, "|   |   |   |   + aoutfreq=%d", tk->fmt.audio.i_rate );
4606                 }
4607                 else if( MKV_IS_ID( l, KaxAudioChannels ) )
4608                 {
4609                     KaxAudioChannels &achan = *(KaxAudioChannels*)l;
4610
4611                     tk->fmt.audio.i_channels = uint8( achan );
4612                     msg_Dbg( &sys.demuxer, "|   |   |   |   + achan=%u", uint8( achan ) );
4613                 }
4614                 else if( MKV_IS_ID( l, KaxAudioBitDepth ) )
4615                 {
4616                     KaxAudioBitDepth &abits = *(KaxAudioBitDepth*)l;
4617
4618                     tk->fmt.audio.i_bitspersample = uint8( abits );
4619                     msg_Dbg( &sys.demuxer, "|   |   |   |   + abits=%u", uint8( abits ) );
4620                 }
4621                 else
4622                 {
4623                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4624                 }
4625             }
4626         }
4627         else
4628         {
4629             msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)",
4630                      typeid(*l).name() );
4631         }
4632     }
4633
4634     if ( bSupported )
4635     {
4636         tracks.push_back( tk );
4637     }
4638     else
4639     {
4640         msg_Err( &sys.demuxer, "Track Entry %d not supported", tk->i_number );
4641         delete tk;
4642     }
4643 }
4644
4645 /*****************************************************************************
4646  * ParseTracks:
4647  *****************************************************************************/
4648 void matroska_segment_c::ParseTracks( KaxTracks *tracks )
4649 {
4650     EbmlElement *el;
4651     unsigned int i;
4652     int i_upper_level = 0;
4653
4654     msg_Dbg( &sys.demuxer, "|   + Tracks" );
4655
4656     /* Master elements */
4657     tracks->Read( es, tracks->Generic().Context, i_upper_level, el, true );
4658
4659     for( i = 0; i < tracks->ListSize(); i++ )
4660     {
4661         EbmlElement *l = (*tracks)[i];
4662
4663         if( MKV_IS_ID( l, KaxTrackEntry ) )
4664         {
4665             ParseTrackEntry( static_cast<KaxTrackEntry *>(l) );
4666         }
4667         else
4668         {
4669             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4670         }
4671     }
4672 }
4673
4674 /*****************************************************************************
4675  * ParseInfo:
4676  *****************************************************************************/
4677 void matroska_segment_c::ParseInfo( KaxInfo *info )
4678 {
4679     EbmlElement *el;
4680     EbmlMaster  *m;
4681     size_t i, j;
4682     int i_upper_level = 0;
4683
4684     msg_Dbg( &sys.demuxer, "|   + Information" );
4685
4686     /* Master elements */
4687     m = static_cast<EbmlMaster *>(info);
4688     m->Read( es, info->Generic().Context, i_upper_level, el, true );
4689
4690     for( i = 0; i < m->ListSize(); i++ )
4691     {
4692         EbmlElement *l = (*m)[i];
4693
4694         if( MKV_IS_ID( l, KaxSegmentUID ) )
4695         {
4696             if ( p_segment_uid == NULL )
4697                 p_segment_uid = new KaxSegmentUID(*static_cast<KaxSegmentUID*>(l));
4698
4699             msg_Dbg( &sys.demuxer, "|   |   + UID=%d", *(uint32*)p_segment_uid->GetBuffer() );
4700         }
4701         else if( MKV_IS_ID( l, KaxPrevUID ) )
4702         {
4703             if ( p_prev_segment_uid == NULL )
4704                 p_prev_segment_uid = new KaxPrevUID(*static_cast<KaxPrevUID*>(l));
4705
4706             msg_Dbg( &sys.demuxer, "|   |   + PrevUID=%d", *(uint32*)p_prev_segment_uid->GetBuffer() );
4707         }
4708         else if( MKV_IS_ID( l, KaxNextUID ) )
4709         {
4710             if ( p_next_segment_uid == NULL )
4711                 p_next_segment_uid = new KaxNextUID(*static_cast<KaxNextUID*>(l));
4712
4713             msg_Dbg( &sys.demuxer, "|   |   + NextUID=%d", *(uint32*)p_next_segment_uid->GetBuffer() );
4714         }
4715         else if( MKV_IS_ID( l, KaxTimecodeScale ) )
4716         {
4717             KaxTimecodeScale &tcs = *(KaxTimecodeScale*)l;
4718
4719             i_timescale = uint64(tcs);
4720
4721             msg_Dbg( &sys.demuxer, "|   |   + TimecodeScale="I64Fd,
4722                      i_timescale );
4723         }
4724         else if( MKV_IS_ID( l, KaxDuration ) )
4725         {
4726             KaxDuration &dur = *(KaxDuration*)l;
4727
4728             i_duration = mtime_t( double( dur ) );
4729
4730             msg_Dbg( &sys.demuxer, "|   |   + Duration="I64Fd,
4731                      i_duration );
4732         }
4733         else if( MKV_IS_ID( l, KaxMuxingApp ) )
4734         {
4735             KaxMuxingApp &mapp = *(KaxMuxingApp*)l;
4736
4737             psz_muxing_application = ToUTF8( UTFstring( mapp ) );
4738
4739             msg_Dbg( &sys.demuxer, "|   |   + Muxing Application=%s",
4740                      psz_muxing_application );
4741         }
4742         else if( MKV_IS_ID( l, KaxWritingApp ) )
4743         {
4744             KaxWritingApp &wapp = *(KaxWritingApp*)l;
4745
4746             psz_writing_application = ToUTF8( UTFstring( wapp ) );
4747
4748             msg_Dbg( &sys.demuxer, "|   |   + Writing Application=%s",
4749                      psz_writing_application );
4750         }
4751         else if( MKV_IS_ID( l, KaxSegmentFilename ) )
4752         {
4753             KaxSegmentFilename &sfn = *(KaxSegmentFilename*)l;
4754
4755             psz_segment_filename = ToUTF8( UTFstring( sfn ) );
4756
4757             msg_Dbg( &sys.demuxer, "|   |   + Segment Filename=%s",
4758                      psz_segment_filename );
4759         }
4760         else if( MKV_IS_ID( l, KaxTitle ) )
4761         {
4762             KaxTitle &title = *(KaxTitle*)l;
4763
4764             psz_title = ToUTF8( UTFstring( title ) );
4765
4766             msg_Dbg( &sys.demuxer, "|   |   + Title=%s", psz_title );
4767         }
4768         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
4769         {
4770             KaxSegmentFamily *uid = static_cast<KaxSegmentFamily*>(l);
4771
4772             families.push_back( new KaxSegmentFamily(*uid) );
4773
4774             msg_Dbg( &sys.demuxer, "|   |   + family=%d", *(uint32*)uid->GetBuffer() );
4775         }
4776 #if defined( HAVE_GMTIME_R ) && !defined( __APPLE__ )
4777         else if( MKV_IS_ID( l, KaxDateUTC ) )
4778         {
4779             KaxDateUTC &date = *(KaxDateUTC*)l;
4780             time_t i_date;
4781             struct tm tmres;
4782             char   buffer[256];
4783
4784             i_date = date.GetEpochDate();
4785             memset( buffer, 0, 256 );
4786             if( gmtime_r( &i_date, &tmres ) &&
4787                 asctime_r( &tmres, buffer ) )
4788             {
4789                 buffer[strlen( buffer)-1]= '\0';
4790                 psz_date_utc = strdup( buffer );
4791                 msg_Dbg( &sys.demuxer, "|   |   + Date=%s", psz_date_utc );
4792             }
4793         }
4794 #endif
4795 #if LIBMATROSKA_VERSION >= 0x000704
4796         else if( MKV_IS_ID( l, KaxChapterTranslate ) )
4797         {
4798             KaxChapterTranslate *p_trans = static_cast<KaxChapterTranslate*>( l );
4799             chapter_translation_c *p_translate = new chapter_translation_c();
4800
4801             p_trans->Read( es, p_trans->Generic().Context, i_upper_level, el, true );
4802             for( j = 0; j < p_trans->ListSize(); j++ )
4803             {
4804                 EbmlElement *l = (*p_trans)[j];
4805
4806                 if( MKV_IS_ID( l, KaxChapterTranslateEditionUID ) )
4807                 {
4808                     p_translate->editions.push_back( uint64( *static_cast<KaxChapterTranslateEditionUID*>( l ) ) );
4809                 }
4810                 else if( MKV_IS_ID( l, KaxChapterTranslateCodec ) )
4811                 {
4812                     p_translate->codec_id = uint32( *static_cast<KaxChapterTranslateCodec*>( l ) );
4813                 }
4814                 else if( MKV_IS_ID( l, KaxChapterTranslateID ) )
4815                 {
4816                     p_translate->p_translated = new KaxChapterTranslateID( *static_cast<KaxChapterTranslateID*>( l ) );
4817                 }
4818             }
4819
4820             translations.push_back( p_translate );
4821         }
4822 #endif
4823         else
4824         {
4825             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4826         }
4827     }
4828
4829     double f_dur = double(i_duration) * double(i_timescale) / 1000000.0;
4830     i_duration = mtime_t(f_dur);
4831 }
4832
4833
4834 /*****************************************************************************
4835  * ParseChapterAtom
4836  *****************************************************************************/
4837 void matroska_segment_c::ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters )
4838 {
4839     size_t i, j;
4840
4841     msg_Dbg( &sys.demuxer, "|   |   |   + ChapterAtom (level=%d)", i_level );
4842     for( i = 0; i < ca->ListSize(); i++ )
4843     {
4844         EbmlElement *l = (*ca)[i];
4845
4846         if( MKV_IS_ID( l, KaxChapterUID ) )
4847         {
4848             chapters.i_uid = uint64_t(*(KaxChapterUID*)l);
4849             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterUID: %lld", chapters.i_uid );
4850         }
4851         else if( MKV_IS_ID( l, KaxChapterFlagHidden ) )
4852         {
4853             KaxChapterFlagHidden &flag =*(KaxChapterFlagHidden*)l;
4854             chapters.b_display_seekpoint = uint8( flag ) == 0;
4855
4856             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterFlagHidden: %s", chapters.b_display_seekpoint ? "no":"yes" );
4857         }
4858         else if( MKV_IS_ID( l, KaxChapterTimeStart ) )
4859         {
4860             KaxChapterTimeStart &start =*(KaxChapterTimeStart*)l;
4861             chapters.i_start_time = uint64( start ) / I64C(1000);
4862
4863             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeStart: %lld", chapters.i_start_time );
4864         }
4865         else if( MKV_IS_ID( l, KaxChapterTimeEnd ) )
4866         {
4867             KaxChapterTimeEnd &end =*(KaxChapterTimeEnd*)l;
4868             chapters.i_end_time = uint64( end ) / I64C(1000);
4869
4870             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeEnd: %lld", chapters.i_end_time );
4871         }
4872         else if( MKV_IS_ID( l, KaxChapterDisplay ) )
4873         {
4874             EbmlMaster *cd = static_cast<EbmlMaster *>(l);
4875
4876             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterDisplay" );
4877             for( j = 0; j < cd->ListSize(); j++ )
4878             {
4879                 EbmlElement *l= (*cd)[j];
4880
4881                 if( MKV_IS_ID( l, KaxChapterString ) )
4882                 {
4883                     int k;
4884
4885                     KaxChapterString &name =*(KaxChapterString*)l;
4886                     for (k = 0; k < i_level; k++)
4887                         chapters.psz_name += '+';
4888                     chapters.psz_name += ' ';
4889                     char *psz_tmp_utf8 = ToUTF8( UTFstring( name ) );
4890                     chapters.psz_name += psz_tmp_utf8;
4891                     chapters.b_user_display = true;
4892
4893                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterString '%s'", psz_tmp_utf8 );
4894                     free( psz_tmp_utf8 );
4895                 }
4896                 else if( MKV_IS_ID( l, KaxChapterLanguage ) )
4897                 {
4898                     KaxChapterLanguage &lang =*(KaxChapterLanguage*)l;
4899                     const char *psz = string( lang ).c_str();
4900
4901                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterLanguage '%s'", psz );
4902                 }
4903                 else if( MKV_IS_ID( l, KaxChapterCountry ) )
4904                 {
4905                     KaxChapterCountry &ct =*(KaxChapterCountry*)l;
4906                     const char *psz = string( ct ).c_str();
4907
4908                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterCountry '%s'", psz );
4909                 }
4910             }
4911         }
4912         else if( MKV_IS_ID( l, KaxChapterProcess ) )
4913         {
4914             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterProcess" );
4915
4916             KaxChapterProcess *cp = static_cast<KaxChapterProcess *>(l);
4917             chapter_codec_cmds_c *p_ccodec = NULL;
4918
4919             for( j = 0; j < cp->ListSize(); j++ )
4920             {
4921                 EbmlElement *k= (*cp)[j];
4922
4923                 if( MKV_IS_ID( k, KaxChapterProcessCodecID ) )
4924                 {
4925                     KaxChapterProcessCodecID *p_codec_id = static_cast<KaxChapterProcessCodecID*>( k );
4926                     if ( uint32(*p_codec_id) == 0 )
4927                         p_ccodec = new matroska_script_codec_c( sys );
4928                     else if ( uint32(*p_codec_id) == 1 )
4929                         p_ccodec = new dvd_chapter_codec_c( sys );
4930                     break;
4931                 }
4932             }
4933
4934             if ( p_ccodec != NULL )
4935             {
4936                 for( j = 0; j < cp->ListSize(); j++ )
4937                 {
4938                     EbmlElement *k= (*cp)[j];
4939
4940                     if( MKV_IS_ID( k, KaxChapterProcessPrivate ) )
4941                     {
4942                         KaxChapterProcessPrivate * p_private = static_cast<KaxChapterProcessPrivate*>( k );
4943                         p_ccodec->SetPrivate( *p_private );
4944                     }
4945                     else if( MKV_IS_ID( k, KaxChapterProcessCommand ) )
4946                     {
4947                         p_ccodec->AddCommand( *static_cast<KaxChapterProcessCommand*>( k ) );
4948                     }
4949                 }
4950                 chapters.codecs.push_back( p_ccodec );
4951             }
4952         }
4953         else if( MKV_IS_ID( l, KaxChapterAtom ) )
4954         {
4955             chapter_item_c *new_sub_chapter = new chapter_item_c();
4956             ParseChapterAtom( i_level+1, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4957             new_sub_chapter->psz_parent = &chapters;
4958             chapters.sub_chapters.push_back( new_sub_chapter );
4959         }
4960     }
4961 }
4962
4963 /*****************************************************************************
4964  * ParseAttachments:
4965  *****************************************************************************/
4966 void matroska_segment_c::ParseAttachments( KaxAttachments *attachments )
4967 {
4968     EbmlElement *el;
4969     int i_upper_level = 0;
4970
4971     attachments->Read( es, attachments->Generic().Context, i_upper_level, el, true );
4972
4973     KaxAttached *attachedFile = FindChild<KaxAttached>( *attachments );
4974
4975     while( attachedFile && ( attachedFile->GetSize() > 0 ) )
4976     {
4977         std::string psz_mime_type  = GetChild<KaxMimeType>( *attachedFile );
4978         KaxFileName  &file_name    = GetChild<KaxFileName>( *attachedFile );
4979         KaxFileData  &img_data     = GetChild<KaxFileData>( *attachedFile );
4980
4981         attachment_c *new_attachment = new attachment_c();
4982
4983         if( new_attachment )
4984         {
4985             new_attachment->psz_file_name  = ToUTF8( UTFstring( file_name ) );
4986             new_attachment->psz_mime_type  = psz_mime_type;
4987             new_attachment->i_size         = img_data.GetSize();
4988             new_attachment->p_data         = malloc( img_data.GetSize() );
4989
4990             if( new_attachment->p_data )
4991             {
4992                 memcpy( new_attachment->p_data, img_data.GetBuffer(), img_data.GetSize() );
4993                 sys.stored_attachments.push_back( new_attachment );
4994             }
4995             else
4996             {
4997                 delete new_attachment;
4998             }
4999         }
5000
5001         attachedFile = &GetNextChild<KaxAttached>( *attachments, *attachedFile );
5002     }
5003 }
5004
5005 /*****************************************************************************
5006  * ParseChapters:
5007  *****************************************************************************/
5008 void matroska_segment_c::ParseChapters( KaxChapters *chapters )
5009 {
5010     EbmlElement *el;
5011     size_t i;
5012     int i_upper_level = 0;
5013     mtime_t i_dur;
5014
5015     /* Master elements */
5016     chapters->Read( es, chapters->Generic().Context, i_upper_level, el, true );
5017
5018     for( i = 0; i < chapters->ListSize(); i++ )
5019     {
5020         EbmlElement *l = (*chapters)[i];
5021
5022         if( MKV_IS_ID( l, KaxEditionEntry ) )
5023         {
5024             chapter_edition_c *p_edition = new chapter_edition_c();
5025
5026             EbmlMaster *E = static_cast<EbmlMaster *>(l );
5027             size_t j;
5028             msg_Dbg( &sys.demuxer, "|   |   + EditionEntry" );
5029             for( j = 0; j < E->ListSize(); j++ )
5030             {
5031                 EbmlElement *l = (*E)[j];
5032
5033                 if( MKV_IS_ID( l, KaxChapterAtom ) )
5034                 {
5035                     chapter_item_c *new_sub_chapter = new chapter_item_c();
5036                     ParseChapterAtom( 0, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
5037                     p_edition->sub_chapters.push_back( new_sub_chapter );
5038                 }
5039                 else if( MKV_IS_ID( l, KaxEditionUID ) )
5040                 {
5041                     p_edition->i_uid = uint64(*static_cast<KaxEditionUID *>( l ));
5042                 }
5043                 else if( MKV_IS_ID( l, KaxEditionFlagOrdered ) )
5044                 {
5045                     p_edition->b_ordered = config_GetInt( &sys.demuxer, "mkv-use-ordered-chapters" ) ? (uint8(*static_cast<KaxEditionFlagOrdered *>( l )) != 0) : 0;
5046                 }
5047                 else if( MKV_IS_ID( l, KaxEditionFlagDefault ) )
5048                 {
5049                     if (uint8(*static_cast<KaxEditionFlagDefault *>( l )) != 0)
5050                         i_default_edition = stored_editions.size();
5051                 }
5052                 else
5053                 {
5054                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
5055                 }
5056             }
5057             stored_editions.push_back( p_edition );
5058         }
5059         else
5060         {
5061             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
5062         }
5063     }
5064
5065     for( i = 0; i < stored_editions.size(); i++ )
5066     {
5067         stored_editions[i]->RefreshChapters( );
5068     }
5069
5070     if ( stored_editions.size() != 0 && stored_editions[i_default_edition]->b_ordered )
5071     {
5072         /* update the duration of the segment according to the sum of all sub chapters */
5073         i_dur = stored_editions[i_default_edition]->Duration() / I64C(1000);
5074         if (i_dur > 0)
5075             i_duration = i_dur;
5076     }
5077 }
5078
5079 void matroska_segment_c::ParseCluster( )
5080 {
5081     EbmlElement *el;
5082     EbmlMaster  *m;
5083     unsigned int i;
5084     int i_upper_level = 0;
5085
5086     /* Master elements */
5087     m = static_cast<EbmlMaster *>( cluster );
5088     m->Read( es, cluster->Generic().Context, i_upper_level, el, true );
5089
5090     for( i = 0; i < m->ListSize(); i++ )
5091     {
5092         EbmlElement *l = (*m)[i];
5093
5094         if( MKV_IS_ID( l, KaxClusterTimecode ) )
5095         {
5096             KaxClusterTimecode &ctc = *(KaxClusterTimecode*)l;
5097
5098             cluster->InitTimecode( uint64( ctc ), i_timescale );
5099             break;
5100         }
5101     }
5102
5103     i_start_time = cluster->GlobalTimecode() / 1000;
5104 }
5105
5106 /*****************************************************************************
5107  * InformationCreate:
5108  *****************************************************************************/
5109 void matroska_segment_c::InformationCreate( )
5110 {
5111     sys.meta = vlc_meta_New();
5112
5113     if( psz_title )
5114     {
5115         vlc_meta_SetTitle( sys.meta, psz_title );
5116     }
5117     if( psz_date_utc )
5118     {
5119         vlc_meta_SetDate( sys.meta, psz_date_utc );
5120     }
5121 #if 0
5122     if( psz_segment_filename )
5123     {
5124         fprintf( stderr, "***** WARNING: Unhandled meta - Use custom\n" );
5125     }
5126     if( psz_muxing_application )
5127     {
5128         fprintf( stderr, "***** WARNING: Unhandled meta - Use custom\n" );
5129     }
5130     if( psz_writing_application )
5131     {
5132         fprintf( stderr, "***** WARNING: Unhandled meta - Use custom\n" );
5133     }
5134
5135     for( size_t i_track = 0; i_track < tracks.size(); i_track++ )
5136     {
5137 //        mkv_track_t *tk = tracks[i_track];
5138 //        vlc_meta_t *mtk = vlc_meta_New();
5139         fprintf( stderr, "***** WARNING: Unhandled child meta\n");
5140     }
5141 #endif
5142
5143     if( i_tags_position >= 0 )
5144     {
5145         vlc_bool_t b_seekable;
5146
5147         stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
5148         if( b_seekable )
5149         {
5150             LoadTags( );
5151         }
5152     }
5153 }
5154
5155
5156 /*****************************************************************************
5157  * Divers
5158  *****************************************************************************/
5159
5160 void matroska_segment_c::IndexAppendCluster( KaxCluster *cluster )
5161 {
5162 #define idx p_indexes[i_index]
5163     idx.i_track       = -1;
5164     idx.i_block_number= -1;
5165     idx.i_position    = cluster->GetElementPosition();
5166     idx.i_time        = -1;
5167     idx.b_key         = VLC_TRUE;
5168
5169     i_index++;
5170     if( i_index >= i_index_max )
5171     {
5172         i_index_max += 1024;
5173         p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
5174     }
5175 #undef idx
5176 }
5177
5178 void chapter_edition_c::RefreshChapters( )
5179 {
5180     chapter_item_c::RefreshChapters( b_ordered, -1 );
5181     b_display_seekpoint = false;
5182 }
5183
5184 int64_t chapter_item_c::RefreshChapters( bool b_ordered, int64_t i_prev_user_time )
5185 {
5186     int64_t i_user_time = i_prev_user_time;
5187
5188     // first the sub-chapters, and then ourself
5189     std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
5190     while ( index != sub_chapters.end() )
5191     {
5192         i_user_time = (*index)->RefreshChapters( b_ordered, i_user_time );
5193         index++;
5194     }
5195
5196     if ( b_ordered )
5197     {
5198         // the ordered chapters always start at zero
5199         if ( i_prev_user_time == -1 )
5200         {
5201             if ( i_user_time == -1 )
5202                 i_user_time = 0;
5203             i_prev_user_time = 0;
5204         }
5205
5206         i_user_start_time = i_prev_user_time;
5207         if ( i_end_time != -1 && i_user_time == i_prev_user_time )
5208         {
5209             i_user_end_time = i_user_start_time - i_start_time + i_end_time;
5210         }
5211         else
5212         {
5213             i_user_end_time = i_user_time;
5214         }
5215     }
5216     else
5217     {
5218         if ( sub_chapters.begin() != sub_chapters.end() )
5219             std::sort( sub_chapters.begin(), sub_chapters.end(), chapter_item_c::CompareTimecode );
5220         i_user_start_time = i_start_time;
5221         if ( i_end_time != -1 )
5222             i_user_end_time = i_end_time;
5223         else if ( i_user_time != -1 )
5224             i_user_end_time = i_user_time;
5225         else
5226             i_user_end_time = i_user_start_time;
5227     }
5228
5229     return i_user_end_time;
5230 }
5231
5232 mtime_t chapter_edition_c::Duration() const
5233 {
5234     mtime_t i_result = 0;
5235
5236     if ( sub_chapters.size() )
5237     {
5238         std::vector<chapter_item_c*>::const_iterator index = sub_chapters.end();
5239         index--;
5240         i_result = (*index)->i_user_end_time;
5241     }
5242
5243     return i_result;
5244 }
5245
5246 chapter_item_c * chapter_edition_c::FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current )
5247 {
5248     if ( !b_ordered )
5249         p_current = NULL;
5250     bool b_found_current = false;
5251     return chapter_item_c::FindTimecode( i_timecode, p_current, b_found_current );
5252 }
5253
5254 chapter_item_c *chapter_item_c::FindTimecode( mtime_t i_user_timecode, const chapter_item_c * p_current, bool & b_found )
5255 {
5256     chapter_item_c *psz_result = NULL;
5257
5258     if ( p_current == this )
5259         b_found = true;
5260
5261     if ( i_user_timecode >= i_user_start_time &&
5262         ( i_user_timecode < i_user_end_time ||
5263           ( i_user_start_time == i_user_end_time && i_user_timecode == i_user_end_time )))
5264     {
5265         std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
5266         while ( index != sub_chapters.end() && ((p_current == NULL && psz_result == NULL) || (p_current != NULL && (!b_found || psz_result == NULL))))
5267         {
5268             psz_result = (*index)->FindTimecode( i_user_timecode, p_current, b_found );
5269             index++;
5270         }
5271
5272         if ( psz_result == NULL )
5273             psz_result = this;
5274     }
5275
5276     return psz_result;
5277 }
5278
5279 bool chapter_item_c::ParentOf( const chapter_item_c & item ) const
5280 {
5281     if ( &item == this )
5282         return true;
5283
5284     std::vector<chapter_item_c*>::const_iterator index = sub_chapters.begin();
5285     while ( index != sub_chapters.end() )
5286     {
5287         if ( (*index)->ParentOf( item ) )
5288             return true;
5289         index++;
5290     }
5291
5292     return false;
5293 }
5294
5295 void demux_sys_t::PreloadFamily( const matroska_segment_c & of_segment )
5296 {
5297     for (size_t i=0; i<opened_segments.size(); i++)
5298     {
5299         opened_segments[i]->PreloadFamily( of_segment );
5300     }
5301 }
5302 bool matroska_segment_c::PreloadFamily( const matroska_segment_c & of_segment )
5303 {
5304     if ( b_preloaded )
5305         return false;
5306
5307     for (size_t i=0; i<families.size(); i++)
5308     {
5309         for (size_t j=0; j<of_segment.families.size(); j++)
5310         {
5311             if ( *(families[i]) == *(of_segment.families[j]) )
5312                 return Preload( );
5313         }
5314     }
5315
5316     return false;
5317 }
5318
5319 // preload all the linked segments for all preloaded segments
5320 void demux_sys_t::PreloadLinked( matroska_segment_c *p_segment )
5321 {
5322     size_t i_preloaded, i, j;
5323     virtual_segment_c *p_seg;
5324
5325     p_current_segment = VirtualFromSegments( p_segment );
5326
5327     used_segments.push_back( p_current_segment );
5328
5329     // create all the other virtual segments of the family
5330     do {
5331         i_preloaded = 0;
5332         for ( i=0; i< opened_segments.size(); i++ )
5333         {
5334             if ( opened_segments[i]->b_preloaded && !IsUsedSegment( *opened_segments[i] ) )
5335             {
5336                 p_seg = VirtualFromSegments( opened_segments[i] );
5337                 used_segments.push_back( p_seg );
5338                 i_preloaded++;
5339             }
5340         }
5341     } while ( i_preloaded ); // worst case: will stop when all segments are found as family related
5342
5343     // publish all editions of all usable segment
5344     for ( i=0; i< used_segments.size(); i++ )
5345     {
5346         p_seg = used_segments[i];
5347         if ( p_seg->p_editions != NULL )
5348         {
5349             std::string sz_name;
5350             input_title_t *p_title = vlc_input_title_New();
5351             p_seg->i_sys_title = i;
5352             int i_chapters;
5353
5354             // TODO use a name for each edition, let the TITLE deal with a codec name
5355             for ( j=0; j<p_seg->p_editions->size(); j++ )
5356             {
5357                 if ( p_title->psz_name == NULL )
5358                 {
5359                     sz_name = (*p_seg->p_editions)[j]->GetMainName();
5360                     if ( sz_name != "" )
5361                         p_title->psz_name = strdup( sz_name.c_str() );
5362                 }
5363
5364                 chapter_edition_c *p_edition = (*p_seg->p_editions)[j];
5365
5366                 i_chapters = 0;
5367                 p_edition->PublishChapters( *p_title, i_chapters, 0 );
5368             }
5369
5370             // create a name if there is none
5371             if ( p_title->psz_name == NULL )
5372             {
5373                 sz_name = N_("Segment");
5374                 char psz_str[6];
5375                 sprintf( psz_str, " %d", (int)i );
5376                 sz_name += psz_str;
5377                 p_title->psz_name = strdup( sz_name.c_str() );
5378             }
5379
5380             titles.push_back( p_title );
5381         }
5382     }
5383
5384     // TODO decide which segment should be first used (VMG for DVD)
5385 }
5386
5387 bool demux_sys_t::IsUsedSegment( matroska_segment_c &segment ) const
5388 {
5389     for ( size_t i=0; i< used_segments.size(); i++ )
5390     {
5391         if ( used_segments[i]->FindUID( *segment.p_segment_uid ) )
5392             return true;
5393     }
5394     return false;
5395 }
5396
5397 virtual_segment_c *demux_sys_t::VirtualFromSegments( matroska_segment_c *p_segment ) const
5398 {
5399     size_t i_preloaded, i;
5400
5401     virtual_segment_c *p_result = new virtual_segment_c( p_segment );
5402
5403     // fill our current virtual segment with all hard linked segments
5404     do {
5405         i_preloaded = 0;
5406         for ( i=0; i< opened_segments.size(); i++ )
5407         {
5408             i_preloaded += p_result->AddSegment( opened_segments[i] );
5409         }
5410     } while ( i_preloaded ); // worst case: will stop when all segments are found as linked
5411
5412     p_result->Sort( );
5413
5414     p_result->PreloadLinked( );
5415
5416     p_result->PrepareChapters( );
5417
5418     return p_result;
5419 }
5420
5421 bool demux_sys_t::PreparePlayback( virtual_segment_c *p_new_segment )
5422 {
5423     if ( p_new_segment != NULL && p_new_segment != p_current_segment )
5424     {
5425         if ( p_current_segment != NULL && p_current_segment->Segment() != NULL )
5426             p_current_segment->Segment()->UnSelect();
5427
5428         p_current_segment = p_new_segment;
5429         i_current_title = p_new_segment->i_sys_title;
5430     }
5431
5432     p_current_segment->LoadCues();
5433     f_duration = p_current_segment->Duration();
5434
5435     /* add information */
5436     p_current_segment->Segment()->InformationCreate( );
5437
5438     p_current_segment->Segment()->Select( 0 );
5439
5440     return true;
5441 }
5442
5443 void demux_sys_t::JumpTo( virtual_segment_c & vsegment, chapter_item_c * p_chapter )
5444 {
5445     // if the segment is not part of the current segment, select the new one
5446     if ( &vsegment != p_current_segment )
5447     {
5448         PreparePlayback( &vsegment );
5449     }
5450
5451     if ( p_chapter != NULL )
5452     {
5453         if ( !p_chapter->Enter( true ) )
5454         {
5455             // jump to the location in the found segment
5456             vsegment.Seek( demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5457         }
5458     }
5459
5460 }
5461
5462 bool matroska_segment_c::CompareSegmentUIDs( const matroska_segment_c * p_item_a, const matroska_segment_c * p_item_b )
5463 {
5464     EbmlBinary *p_tmp;
5465
5466     if ( p_item_a == NULL || p_item_b == NULL )
5467         return false;
5468
5469     p_tmp = (EbmlBinary *)p_item_a->p_segment_uid;
5470     if ( p_item_b->p_prev_segment_uid != NULL
5471           && *p_tmp == *p_item_b->p_prev_segment_uid )
5472         return true;
5473
5474     p_tmp = (EbmlBinary *)p_item_a->p_next_segment_uid;
5475     if ( !p_tmp )
5476         return false;
5477
5478     if ( p_item_b->p_segment_uid != NULL
5479           && *p_tmp == *p_item_b->p_segment_uid )
5480         return true;
5481
5482     if ( p_item_b->p_prev_segment_uid != NULL
5483           && *p_tmp == *p_item_b->p_prev_segment_uid )
5484         return true;
5485
5486     return false;
5487 }
5488
5489 bool matroska_segment_c::Preload( )
5490 {
5491     if ( b_preloaded )
5492         return false;
5493
5494     EbmlElement *el = NULL;
5495
5496     ep->Reset( &sys.demuxer );
5497
5498     while( ( el = ep->Get() ) != NULL )
5499     {
5500         if( MKV_IS_ID( el, KaxInfo ) )
5501         {
5502             ParseInfo( static_cast<KaxInfo*>( el ) );
5503         }
5504         else if( MKV_IS_ID( el, KaxTracks ) )
5505         {
5506             ParseTracks( static_cast<KaxTracks*>( el ) );
5507             if ( tracks.size() == 0 )
5508             {
5509                 msg_Err( &sys.demuxer, "No tracks supported" );
5510                 return false;
5511             }
5512         }
5513         else if( MKV_IS_ID( el, KaxSeekHead ) )
5514         {
5515             ParseSeekHead( static_cast<KaxSeekHead*>( el ) );
5516         }
5517         else if( MKV_IS_ID( el, KaxCues ) )
5518         {
5519             msg_Dbg( &sys.demuxer, "|   + Cues" );
5520         }
5521         else if( MKV_IS_ID( el, KaxCluster ) )
5522         {
5523             msg_Dbg( &sys.demuxer, "|   + Cluster" );
5524
5525             cluster = (KaxCluster*)el;
5526
5527             i_cluster_pos = i_start_pos = cluster->GetElementPosition();
5528             ParseCluster( );
5529
5530             ep->Down();
5531             /* stop parsing the stream */
5532             break;
5533         }
5534         else if( MKV_IS_ID( el, KaxAttachments ) )
5535         {
5536             msg_Dbg( &sys.demuxer, "|   + Attachments" );
5537             ParseAttachments( static_cast<KaxAttachments*>( el ) );
5538         }
5539         else if( MKV_IS_ID( el, KaxChapters ) )
5540         {
5541             msg_Dbg( &sys.demuxer, "|   + Chapters" );
5542             ParseChapters( static_cast<KaxChapters*>( el ) );
5543         }
5544         else if( MKV_IS_ID( el, KaxTag ) )
5545         {
5546             msg_Dbg( &sys.demuxer, "|   + Tags FIXME TODO" );
5547         }
5548         else
5549         {
5550             msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid(*el).name() );
5551         }
5552     }
5553
5554     b_preloaded = true;
5555
5556     return true;
5557 }
5558
5559 matroska_segment_c *demux_sys_t::FindSegment( const EbmlBinary & uid ) const
5560 {
5561     for (size_t i=0; i<opened_segments.size(); i++)
5562     {
5563         if ( *opened_segments[i]->p_segment_uid == uid )
5564             return opened_segments[i];
5565     }
5566     return NULL;
5567 }
5568
5569 chapter_item_c *demux_sys_t::BrowseCodecPrivate( unsigned int codec_id,
5570                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
5571                                         const void *p_cookie,
5572                                         size_t i_cookie_size,
5573                                         virtual_segment_c * &p_segment_found )
5574 {
5575     chapter_item_c *p_result = NULL;
5576     for (size_t i=0; i<used_segments.size(); i++)
5577     {
5578         p_result = used_segments[i]->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
5579         if ( p_result != NULL )
5580         {
5581             p_segment_found = used_segments[i];
5582             break;
5583         }
5584     }
5585     return p_result;
5586 }
5587
5588 chapter_item_c *demux_sys_t::FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found )
5589 {
5590     chapter_item_c *p_result = NULL;
5591     for (size_t i=0; i<used_segments.size(); i++)
5592     {
5593         p_result = used_segments[i]->FindChapter( i_find_uid );
5594         if ( p_result != NULL )
5595         {
5596             p_segment_found = used_segments[i];
5597             break;
5598         }
5599     }
5600     return p_result;
5601 }
5602
5603 void virtual_segment_c::Sort()
5604 {
5605     // keep the current segment index
5606     matroska_segment_c *p_segment = linked_segments[i_current_segment];
5607
5608     std::sort( linked_segments.begin(), linked_segments.end(), matroska_segment_c::CompareSegmentUIDs );
5609
5610     for ( i_current_segment=0; i_current_segment<linked_segments.size(); i_current_segment++)
5611         if ( linked_segments[i_current_segment] == p_segment )
5612             break;
5613 }
5614
5615 size_t virtual_segment_c::AddSegment( matroska_segment_c *p_segment )
5616 {
5617     size_t i;
5618     // check if it's not already in here
5619     for ( i=0; i<linked_segments.size(); i++ )
5620     {
5621         if ( linked_segments[i]->p_segment_uid != NULL
5622             && p_segment->p_segment_uid != NULL
5623             && *p_segment->p_segment_uid == *linked_segments[i]->p_segment_uid )
5624             return 0;
5625     }
5626
5627     // find possible mates
5628     for ( i=0; i<linked_uids.size(); i++ )
5629     {
5630         if (   (p_segment->p_segment_uid != NULL && *p_segment->p_segment_uid == linked_uids[i])
5631             || (p_segment->p_prev_segment_uid != NULL && *p_segment->p_prev_segment_uid == linked_uids[i])
5632             || (p_segment->p_next_segment_uid !=NULL && *p_segment->p_next_segment_uid == linked_uids[i]) )
5633         {
5634             linked_segments.push_back( p_segment );
5635
5636             AppendUID( p_segment->p_prev_segment_uid );
5637             AppendUID( p_segment->p_next_segment_uid );
5638
5639             return 1;
5640         }
5641     }
5642     return 0;
5643 }
5644
5645 void virtual_segment_c::PreloadLinked( )
5646 {
5647     for ( size_t i=0; i<linked_segments.size(); i++ )
5648     {
5649         linked_segments[i]->Preload( );
5650     }
5651     i_current_edition = linked_segments[0]->i_default_edition;
5652 }
5653
5654 mtime_t virtual_segment_c::Duration() const
5655 {
5656     mtime_t i_duration;
5657     if ( linked_segments.size() == 0 )
5658         i_duration = 0;
5659     else {
5660         matroska_segment_c *p_last_segment = linked_segments[linked_segments.size()-1];
5661 //        p_last_segment->ParseCluster( );
5662
5663         i_duration = p_last_segment->i_start_time / 1000 + p_last_segment->i_duration;
5664     }
5665     return i_duration;
5666 }
5667
5668 void virtual_segment_c::LoadCues( )
5669 {
5670     for ( size_t i=0; i<linked_segments.size(); i++ )
5671     {
5672         linked_segments[i]->LoadCues();
5673     }
5674 }
5675
5676 void virtual_segment_c::AppendUID( const EbmlBinary * p_UID )
5677 {
5678     if ( p_UID == NULL )
5679         return;
5680     if ( p_UID->GetBuffer() == NULL )
5681         return;
5682
5683     for (size_t i=0; i<linked_uids.size(); i++)
5684     {
5685         if ( *p_UID == linked_uids[i] )
5686             return;
5687     }
5688     linked_uids.push_back( *(KaxSegmentUID*)(p_UID) );
5689 }
5690
5691 void matroska_segment_c::Seek( mtime_t i_date, mtime_t i_time_offset )
5692 {
5693     KaxBlock    *block;
5694 #if LIBMATROSKA_VERSION >= 0x000800
5695     KaxSimpleBlock *simpleblock;
5696 #endif
5697     int         i_track_skipping;
5698     int64_t     i_block_duration;
5699     int64_t     i_block_ref1;
5700     int64_t     i_block_ref2;
5701     size_t      i_track;
5702     int64_t     i_seek_position = i_start_pos;
5703     int64_t     i_seek_time = i_start_time;
5704
5705     if ( i_index > 0 )
5706     {
5707         int i_idx = 0;
5708
5709         for( ; i_idx < i_index; i_idx++ )
5710         {
5711             if( p_indexes[i_idx].i_time + i_time_offset > i_date )
5712             {
5713                 break;
5714             }
5715         }
5716
5717         if( i_idx > 0 )
5718         {
5719             i_idx--;
5720         }
5721
5722         i_seek_position = p_indexes[i_idx].i_position;
5723         i_seek_time = p_indexes[i_idx].i_time;
5724     }
5725
5726     msg_Dbg( &sys.demuxer, "seek got "I64Fd" (%d%%)",
5727                 i_seek_time, (int)( 100 * i_seek_position / stream_Size( sys.demuxer.s ) ) );
5728
5729     es.I_O().setFilePointer( i_seek_position, seek_beginning );
5730
5731     delete ep;
5732     ep = new EbmlParser( &es, segment, &sys.demuxer );
5733     cluster = NULL;
5734
5735     sys.i_start_pts = i_date;
5736
5737     es_out_Control( sys.demuxer.out, ES_OUT_RESET_PCR );
5738
5739     /* now parse until key frame */
5740     i_track_skipping = 0;
5741     for( i_track = 0; i_track < tracks.size(); i_track++ )
5742     {
5743         if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5744         {
5745             tracks[i_track]->b_search_keyframe = VLC_TRUE;
5746             i_track_skipping++;
5747         }
5748         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_date );
5749     }
5750
5751
5752     while( i_track_skipping > 0 )
5753     {
5754 #if LIBMATROSKA_VERSION >= 0x000800
5755         if( BlockGet( block, simpleblock, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
5756 #else
5757         if( BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
5758 #endif
5759         {
5760             msg_Warn( &sys.demuxer, "cannot get block EOF?" );
5761
5762             return;
5763         }
5764         ep->Down();
5765
5766         for( i_track = 0; i_track < tracks.size(); i_track++ )
5767         {
5768 #if LIBMATROSKA_VERSION >= 0x000800
5769             if( (simpleblock && tracks[i_track]->i_number == simpleblock->TrackNum()) ||
5770                 (block && tracks[i_track]->i_number == block->TrackNum()) )
5771 #else
5772             if( tracks[i_track]->i_number == block->TrackNum() )
5773 #endif
5774             {
5775                 break;
5776             }
5777         }
5778
5779 #if LIBMATROSKA_VERSION >= 0x000800
5780         if( simpleblock )
5781             sys.i_pts = (sys.i_chapter_time + simpleblock->GlobalTimecode()) / (mtime_t) 1000;
5782         else
5783 #endif
5784             sys.i_pts = (sys.i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
5785
5786         if( i_track < tracks.size() )
5787         {
5788            if( sys.i_pts >= sys.i_start_pts )
5789             {
5790                 cluster = static_cast<KaxCluster*>(ep->UnGet( i_block_pos, i_cluster_pos ));
5791                 i_track_skipping = 0;
5792             }
5793             else if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5794             {
5795                 if( i_block_ref1 == 0 && tracks[i_track]->b_search_keyframe )
5796                 {
5797                     tracks[i_track]->b_search_keyframe = VLC_FALSE;
5798                     i_track_skipping--;
5799                 }
5800                 if( !tracks[i_track]->b_search_keyframe )
5801                 {
5802 #if LIBMATROSKA_VERSION >= 0x000800
5803                     BlockDecode( &sys.demuxer, block, simpleblock, sys.i_pts, 0, i_block_ref1 >= 0 || i_block_ref2 > 0 );
5804 #else
5805                     BlockDecode( &sys.demuxer, block, sys.i_pts, 0, i_block_ref1 >= 0 || i_block_ref2 > 0 );
5806 #endif
5807                 }
5808             }
5809         }
5810
5811         delete block;
5812     }
5813 }
5814
5815 void virtual_segment_c::Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter )
5816 {
5817     demux_sys_t *p_sys = demuxer.p_sys;
5818     size_t i;
5819
5820     // find the actual time for an ordered edition
5821     if ( psz_chapter == NULL )
5822     {
5823         if ( Edition() && Edition()->b_ordered )
5824         {
5825             /* 1st, we need to know in which chapter we are */
5826             psz_chapter = (*p_editions)[i_current_edition]->FindTimecode( i_date, psz_current_chapter );
5827         }
5828     }
5829
5830     if ( psz_chapter != NULL )
5831     {
5832         psz_current_chapter = psz_chapter;
5833         p_sys->i_chapter_time = i_time_offset = psz_chapter->i_user_start_time - psz_chapter->i_start_time;
5834         if ( psz_chapter->i_seekpoint_num > 0 )
5835         {
5836             demuxer.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
5837             demuxer.info.i_title = p_sys->i_current_title = i_sys_title;
5838             demuxer.info.i_seekpoint = psz_chapter->i_seekpoint_num - 1;
5839         }
5840     }
5841
5842     // find the best matching segment
5843     for ( i=0; i<linked_segments.size(); i++ )
5844     {
5845         if ( i_date < linked_segments[i]->i_start_time )
5846             break;
5847     }
5848
5849     if ( i > 0 )
5850         i--;
5851
5852     if ( i_current_segment != i  )
5853     {
5854         linked_segments[i_current_segment]->UnSelect();
5855         linked_segments[i]->Select( i_date );
5856         i_current_segment = i;
5857     }
5858
5859     linked_segments[i]->Seek( i_date, i_time_offset );
5860 }
5861
5862 void chapter_codec_cmds_c::AddCommand( const KaxChapterProcessCommand & command )
5863 {
5864     size_t i;
5865
5866     uint32 codec_time = uint32(-1);
5867     for( i = 0; i < command.ListSize(); i++ )
5868     {
5869         const EbmlElement *k = command[i];
5870
5871         if( MKV_IS_ID( k, KaxChapterProcessTime ) )
5872         {
5873             codec_time = uint32( *static_cast<const KaxChapterProcessTime*>( k ) );
5874             break;
5875         }
5876     }
5877
5878     for( i = 0; i < command.ListSize(); i++ )
5879     {
5880         const EbmlElement *k = command[i];
5881
5882         if( MKV_IS_ID( k, KaxChapterProcessData ) )
5883         {
5884             KaxChapterProcessData *p_data =  new KaxChapterProcessData( *static_cast<const KaxChapterProcessData*>( k ) );
5885             switch ( codec_time )
5886             {
5887             case 0:
5888                 during_cmds.push_back( p_data );
5889                 break;
5890             case 1:
5891                 enter_cmds.push_back( p_data );
5892                 break;
5893             case 2:
5894                 leave_cmds.push_back( p_data );
5895                 break;
5896             default:
5897                 delete p_data;
5898             }
5899         }
5900     }
5901 }
5902
5903 bool chapter_item_c::Enter( bool b_do_subs )
5904 {
5905     bool f_result = false;
5906     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5907     while ( index != codecs.end() )
5908     {
5909         f_result |= (*index)->Enter();
5910         index++;
5911     }
5912
5913     if ( b_do_subs )
5914     {
5915         // sub chapters
5916         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5917         while ( index_ != sub_chapters.end() )
5918         {
5919             f_result |= (*index_)->Enter( true );
5920             index_++;
5921         }
5922     }
5923     return f_result;
5924 }
5925
5926 bool chapter_item_c::Leave( bool b_do_subs )
5927 {
5928     bool f_result = false;
5929     b_is_leaving = true;
5930     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5931     while ( index != codecs.end() )
5932     {
5933         f_result |= (*index)->Leave();
5934         index++;
5935     }
5936
5937     if ( b_do_subs )
5938     {
5939         // sub chapters
5940         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5941         while ( index_ != sub_chapters.end() )
5942         {
5943             f_result |= (*index_)->Leave( true );
5944             index_++;
5945         }
5946     }
5947     b_is_leaving = false;
5948     return f_result;
5949 }
5950
5951 bool chapter_item_c::EnterAndLeave( chapter_item_c *p_item, bool b_final_enter )
5952 {
5953     chapter_item_c *p_common_parent = p_item;
5954
5955     // leave, up to a common parent
5956     while ( p_common_parent != NULL && !p_common_parent->ParentOf( *this ) )
5957     {
5958         if ( !p_common_parent->b_is_leaving && p_common_parent->Leave( false ) )
5959             return true;
5960         p_common_parent = p_common_parent->psz_parent;
5961     }
5962
5963     // enter from the parent to <this>
5964     if ( p_common_parent != NULL )
5965     {
5966         do
5967         {
5968             if ( p_common_parent == this )
5969                 return Enter( true );
5970
5971             for ( size_t i = 0; i<p_common_parent->sub_chapters.size(); i++ )
5972             {
5973                 if ( p_common_parent->sub_chapters[i]->ParentOf( *this ) )
5974                 {
5975                     p_common_parent = p_common_parent->sub_chapters[i];
5976                     if ( p_common_parent != this )
5977                         if ( p_common_parent->Enter( false ) )
5978                             return true;
5979
5980                     break;
5981                 }
5982             }
5983         } while ( 1 );
5984     }
5985
5986     if ( b_final_enter )
5987         return Enter( true );
5988     else
5989         return false;
5990 }
5991
5992 bool dvd_chapter_codec_c::Enter()
5993 {
5994     bool f_result = false;
5995     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
5996     while ( index != enter_cmds.end() )
5997     {
5998         if ( (*index)->GetSize() )
5999         {
6000             binary *p_data = (*index)->GetBuffer();
6001             size_t i_size = *p_data++;
6002             // avoid reading too much from the buffer
6003             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
6004             for ( ; i_size > 0; i_size--, p_data += 8 )
6005             {
6006                 msg_Dbg( &sys.demuxer, "Matroska DVD enter command" );
6007                 f_result |= sys.dvd_interpretor.Interpret( p_data );
6008             }
6009         }
6010         index++;
6011     }
6012     return f_result;
6013 }
6014
6015 bool dvd_chapter_codec_c::Leave()
6016 {
6017     bool f_result = false;
6018     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
6019     while ( index != leave_cmds.end() )
6020     {
6021         if ( (*index)->GetSize() )
6022         {
6023             binary *p_data = (*index)->GetBuffer();
6024             size_t i_size = *p_data++;
6025             // avoid reading too much from the buffer
6026             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
6027             for ( ; i_size > 0; i_size--, p_data += 8 )
6028             {
6029                 msg_Dbg( &sys.demuxer, "Matroska DVD leave command" );
6030                 f_result |= sys.dvd_interpretor.Interpret( p_data );
6031             }
6032         }
6033         index++;
6034     }
6035     return f_result;
6036 }
6037
6038 // see http://www.dvd-replica.com/DVD/vmcmdset.php for a description of DVD commands
6039 bool dvd_command_interpretor_c::Interpret( const binary * p_command, size_t i_size )
6040 {
6041     if ( i_size != 8 )
6042         return false;
6043
6044     virtual_segment_c *p_segment = NULL;
6045     chapter_item_c *p_chapter = NULL;
6046     bool f_result = false;
6047     uint16 i_command = ( p_command[0] << 8 ) + p_command[1];
6048
6049     // handle register tests if there are some
6050     if ( (i_command & 0xF0) != 0 )
6051     {
6052         bool b_test_positive = true;//(i_command & CMD_DVD_IF_NOT) == 0;
6053         bool b_test_value    = (i_command & CMD_DVD_TEST_VALUE) != 0;
6054         uint8 i_test = i_command & 0x70;
6055         uint16 i_value;
6056
6057         // see http://dvd.sourceforge.net/dvdinfo/vmi.html
6058         uint8  i_cr1;
6059         uint16 i_cr2;
6060         switch ( i_command >> 12 )
6061         {
6062         default:
6063             i_cr1 = p_command[3];
6064             i_cr2 = (p_command[4] << 8) + p_command[5];
6065             break;
6066         case 3:
6067         case 4:
6068         case 5:
6069             i_cr1 = p_command[6];
6070             i_cr2 = p_command[7];
6071             b_test_value = false;
6072             break;
6073         case 6:
6074         case 7:
6075             if ( ((p_command[1] >> 4) & 0x7) == 0)
6076             {
6077                 i_cr1 = p_command[2];
6078                 i_cr2 = (p_command[6] << 8) + p_command[7];
6079             }
6080             else
6081             {
6082                 i_cr1 = p_command[2];
6083                 i_cr2 = (p_command[6] << 8) + p_command[7];
6084             }
6085             break;
6086         }
6087
6088         if ( b_test_value )
6089             i_value = i_cr2;
6090         else
6091             i_value = GetPRM( i_cr2 );
6092
6093         switch ( i_test )
6094         {
6095         case CMD_DVD_IF_GPREG_EQUAL:
6096             // if equals
6097             msg_Dbg( &sys.demuxer, "IF %s EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6098             if (!( GetPRM( i_cr1 ) == i_value ))
6099             {
6100                 b_test_positive = false;
6101             }
6102             break;
6103         case CMD_DVD_IF_GPREG_NOT_EQUAL:
6104             // if not equals
6105             msg_Dbg( &sys.demuxer, "IF %s NOT EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6106             if (!( GetPRM( i_cr1 ) != i_value ))
6107             {
6108                 b_test_positive = false;
6109             }
6110             break;
6111         case CMD_DVD_IF_GPREG_INF:
6112             // if inferior
6113             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6114             if (!( GetPRM( i_cr1 ) < i_value ))
6115             {
6116                 b_test_positive = false;
6117             }
6118             break;
6119         case CMD_DVD_IF_GPREG_INF_EQUAL:
6120             // if inferior or equal
6121             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6122             if (!( GetPRM( i_cr1 ) <= i_value ))
6123             {
6124                 b_test_positive = false;
6125             }
6126             break;
6127         case CMD_DVD_IF_GPREG_AND:
6128             // if logical and
6129             msg_Dbg( &sys.demuxer, "IF %s & %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6130             if (!( GetPRM( i_cr1 ) & i_value ))
6131             {
6132                 b_test_positive = false;
6133             }
6134             break;
6135         case CMD_DVD_IF_GPREG_SUP:
6136             // if superior
6137             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6138             if (!( GetPRM( i_cr1 ) > i_value ))
6139             {
6140                 b_test_positive = false;
6141             }
6142             break;
6143         case CMD_DVD_IF_GPREG_SUP_EQUAL:
6144             // if superior or equal
6145             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6146             if (!( GetPRM( i_cr1 ) >= i_value ))
6147             {
6148                 b_test_positive = false;
6149             }
6150             break;
6151         }
6152
6153         if ( !b_test_positive )
6154             return false;
6155     }
6156
6157     // strip the test command
6158     i_command &= 0xFF0F;
6159
6160     switch ( i_command )
6161     {
6162     case CMD_DVD_NOP:
6163     case CMD_DVD_NOP2:
6164         {
6165             msg_Dbg( &sys.demuxer, "NOP" );
6166             break;
6167         }
6168     case CMD_DVD_BREAK:
6169         {
6170             msg_Dbg( &sys.demuxer, "Break" );
6171             // TODO
6172             break;
6173         }
6174     case CMD_DVD_JUMP_TT:
6175         {
6176             uint8 i_title = p_command[5];
6177             msg_Dbg( &sys.demuxer, "JumpTT %d", i_title );
6178
6179             // find in the ChapProcessPrivate matching this Title level
6180             p_chapter = sys.BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title), p_segment );
6181             if ( p_segment != NULL )
6182             {
6183                 sys.JumpTo( *p_segment, p_chapter );
6184                 f_result = true;
6185             }
6186
6187             break;
6188         }
6189     case CMD_DVD_CALLSS_VTSM1:
6190         {
6191             msg_Dbg( &sys.demuxer, "CallSS" );
6192             binary p_type;
6193             switch( (p_command[6] & 0xC0) >> 6 ) {
6194                 case 0:
6195                     p_type = p_command[5] & 0x0F;
6196                     switch ( p_type )
6197                     {
6198                     case 0x00:
6199                         msg_Dbg( &sys.demuxer, "CallSS PGC (rsm_cell %x)", p_command[4]);
6200                         break;
6201                     case 0x02:
6202                         msg_Dbg( &sys.demuxer, "CallSS Title Entry (rsm_cell %x)", p_command[4]);
6203                         break;
6204                     case 0x03:
6205                         msg_Dbg( &sys.demuxer, "CallSS Root Menu (rsm_cell %x)", p_command[4]);
6206                         break;
6207                     case 0x04:
6208                         msg_Dbg( &sys.demuxer, "CallSS Subpicture Menu (rsm_cell %x)", p_command[4]);
6209                         break;
6210                     case 0x05:
6211                         msg_Dbg( &sys.demuxer, "CallSS Audio Menu (rsm_cell %x)", p_command[4]);
6212                         break;
6213                     case 0x06:
6214                         msg_Dbg( &sys.demuxer, "CallSS Angle Menu (rsm_cell %x)", p_command[4]);
6215                         break;
6216                     case 0x07:
6217                         msg_Dbg( &sys.demuxer, "CallSS Chapter Menu (rsm_cell %x)", p_command[4]);
6218                         break;
6219                     default:
6220                         msg_Dbg( &sys.demuxer, "CallSS <unknown> (rsm_cell %x)", p_command[4]);
6221                         break;
6222                     }
6223                     p_chapter = sys.BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1, p_segment );
6224                     if ( p_segment != NULL )
6225                     {
6226                         sys.JumpTo( *p_segment, p_chapter );
6227                         f_result = true;
6228                     }
6229                 break;
6230                 case 1:
6231                     msg_Dbg( &sys.demuxer, "CallSS VMGM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
6232                 break;
6233                 case 2:
6234                     msg_Dbg( &sys.demuxer, "CallSS VTSM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
6235                 break;
6236                 case 3:
6237                     msg_Dbg( &sys.demuxer, "CallSS VMGM (pgc %d, rsm_cell %x)", (p_command[2] << 8) + p_command[3], p_command[4]);
6238                 break;
6239             }
6240             break;
6241         }
6242     case CMD_DVD_JUMP_SS:
6243         {
6244             msg_Dbg( &sys.demuxer, "JumpSS");
6245             binary p_type;
6246             switch( (p_command[5] & 0xC0) >> 6 ) {
6247                 case 0:
6248                     msg_Dbg( &sys.demuxer, "JumpSS FP");
6249                 break;
6250                 case 1:
6251                     p_type = p_command[5] & 0x0F;
6252                     switch ( p_type )
6253                     {
6254                     case 0x02:
6255                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Title Entry");
6256                         break;
6257                     case 0x03:
6258                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Root Menu");
6259                         break;
6260                     case 0x04:
6261                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Subpicture Menu");
6262                         break;
6263                     case 0x05:
6264                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Audio Menu");
6265                         break;
6266                     case 0x06:
6267                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Angle Menu");
6268                         break;
6269                     case 0x07:
6270                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Chapter Menu");
6271                         break;
6272                     default:
6273                         msg_Dbg( &sys.demuxer, "JumpSS <unknown>");
6274                         break;
6275                     }
6276                     // find the VMG
6277                     p_chapter = sys.BrowseCodecPrivate( 1, MatchIsVMG, NULL, 0, p_segment );
6278                     if ( p_segment != NULL )
6279                     {
6280                         p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
6281                         if ( p_chapter != NULL )
6282                         {
6283                             sys.JumpTo( *p_segment, p_chapter );
6284                             f_result = true;
6285                         }
6286                     }
6287                 break;
6288                 case 2:
6289                     p_type = p_command[5] & 0x0F;
6290                     switch ( p_type )
6291                     {
6292                     case 0x02:
6293                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Title Entry", p_command[4], p_command[3]);
6294                         break;
6295                     case 0x03:
6296                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Root Menu", p_command[4], p_command[3]);
6297                         break;
6298                     case 0x04:
6299                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Subpicture Menu", p_command[4], p_command[3]);
6300                         break;
6301                     case 0x05:
6302                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Audio Menu", p_command[4], p_command[3]);
6303                         break;
6304                     case 0x06:
6305                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Angle Menu", p_command[4], p_command[3]);
6306                         break;
6307                     case 0x07:
6308                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Chapter Menu", p_command[4], p_command[3]);
6309                         break;
6310                     default:
6311                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) <unknown>", p_command[4], p_command[3]);
6312                         break;
6313                     }
6314
6315                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSMNumber, &p_command[4], 1, p_segment );
6316
6317                     if ( p_segment != NULL && p_chapter != NULL )
6318                     {
6319                         // find the title in the VTS
6320                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &p_command[3], 1 );
6321                         if ( p_chapter != NULL )
6322                         {
6323                             // find the specified menu in the VTSM
6324                             p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
6325                             if ( p_chapter != NULL )
6326                             {
6327                                 sys.JumpTo( *p_segment, p_chapter );
6328                                 f_result = true;
6329                             }
6330                         }
6331                         else
6332                             msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", p_command[3] );
6333                     }
6334                     else
6335                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", p_command[4] );
6336                 break;
6337                 case 3:
6338                     msg_Dbg( &sys.demuxer, "JumpSS VMGM (pgc %d)", (p_command[2] << 8) + p_command[3]);
6339                 break;
6340             }
6341             break;
6342         }
6343     case CMD_DVD_JUMPVTS_PTT:
6344         {
6345             uint8 i_title = p_command[5];
6346             uint8 i_ptt = p_command[3];
6347
6348             msg_Dbg( &sys.demuxer, "JumpVTS Title (%d) PTT (%d)", i_title, i_ptt);
6349
6350             // find the current VTS content segment
6351             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchIsDomain, NULL, 0 );
6352             if ( p_chapter != NULL )
6353             {
6354                 int16 i_curr_title = p_chapter->GetTitleNumber( );
6355                 if ( i_curr_title > 0 )
6356                 {
6357                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSNumber, &i_curr_title, sizeof(i_curr_title), p_segment );
6358
6359                     if ( p_segment != NULL && p_chapter != NULL )
6360                     {
6361                         // find the title in the VTS
6362                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title) );
6363                         if ( p_chapter != NULL )
6364                         {
6365                             // find the chapter in the title
6366                             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchChapterNumber, &i_ptt, sizeof(i_ptt) );
6367                             if ( p_chapter != NULL )
6368                             {
6369                                 sys.JumpTo( *p_segment, p_chapter );
6370                                 f_result = true;
6371                             }
6372                         }
6373                     else
6374                         msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", i_title );
6375                     }
6376                     else
6377                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", i_curr_title );
6378                 }
6379                 else
6380                     msg_Dbg( &sys.demuxer, "JumpVTS_PTT command found but not in a VTS(M)");
6381             }
6382             else
6383                 msg_Dbg( &sys.demuxer, "JumpVTS_PTT command but the DVD domain wasn't found");
6384             break;
6385         }
6386     case CMD_DVD_SET_GPRMMD:
6387         {
6388             msg_Dbg( &sys.demuxer, "Set GPRMMD [%d]=%d", (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3]);
6389
6390             if ( !SetGPRM( (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3] ) )
6391                 msg_Dbg( &sys.demuxer, "Set GPRMMD failed" );
6392             break;
6393         }
6394     case CMD_DVD_LINKPGCN:
6395         {
6396             uint16 i_pgcn = (p_command[6] << 8) + p_command[7];
6397
6398             msg_Dbg( &sys.demuxer, "Link PGCN(%d)", i_pgcn );
6399             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchPgcNumber, &i_pgcn, 2 );
6400             if ( p_chapter != NULL )
6401             {
6402                 if ( !p_chapter->Enter( true ) )
6403                     // jump to the location in the found segment
6404                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6405
6406                 f_result = true;
6407             }
6408             break;
6409         }
6410     case CMD_DVD_LINKCN:
6411         {
6412             uint8 i_cn = p_command[7];
6413
6414             p_chapter = sys.p_current_segment->CurrentChapter();
6415
6416             msg_Dbg( &sys.demuxer, "LinkCN (cell %d)", i_cn );
6417             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchCellNumber, &i_cn, 1 );
6418             if ( p_chapter != NULL )
6419             {
6420                 if ( !p_chapter->Enter( true ) )
6421                     // jump to the location in the found segment
6422                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6423
6424                 f_result = true;
6425             }
6426             break;
6427         }
6428     case CMD_DVD_GOTO_LINE:
6429         {
6430             msg_Dbg( &sys.demuxer, "GotoLine (%d)", (p_command[6] << 8) + p_command[7] );
6431             // TODO
6432             break;
6433         }
6434     case CMD_DVD_SET_HL_BTNN1:
6435         {
6436             msg_Dbg( &sys.demuxer, "SetHL_BTN (%d)", p_command[4] );
6437             SetSPRM( 0x88, p_command[4] );
6438             break;
6439         }
6440     default:
6441         {
6442             msg_Dbg( &sys.demuxer, "unsupported command : %02X %02X %02X %02X %02X %02X %02X %02X"
6443                      ,p_command[0]
6444                      ,p_command[1]
6445                      ,p_command[2]
6446                      ,p_command[3]
6447                      ,p_command[4]
6448                      ,p_command[5]
6449                      ,p_command[6]
6450                      ,p_command[7]);
6451             break;
6452         }
6453     }
6454
6455     return f_result;
6456 }
6457
6458 bool dvd_command_interpretor_c::MatchIsDomain( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6459 {
6460     return ( data.p_private_data != NULL && data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS );
6461 }
6462
6463 bool dvd_command_interpretor_c::MatchIsVMG( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6464 {
6465     if ( data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
6466         return false;
6467
6468     return ( data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS && data.p_private_data->GetBuffer()[1] == 0xC0);
6469 }
6470
6471 bool dvd_command_interpretor_c::MatchVTSNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6472 {
6473     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6474         return false;
6475
6476     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x80 )
6477         return false;
6478
6479     uint16 i_gtitle = (data.p_private_data->GetBuffer()[2] << 8 ) + data.p_private_data->GetBuffer()[3];
6480     uint16 i_title = *(uint16*)p_cookie;
6481
6482     return (i_gtitle == i_title);
6483 }
6484
6485 bool dvd_command_interpretor_c::MatchVTSMNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6486 {
6487     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6488         return false;
6489
6490     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x40 )
6491         return false;
6492
6493     uint8 i_gtitle = data.p_private_data->GetBuffer()[3];
6494     uint8 i_title = *(uint8*)p_cookie;
6495
6496     return (i_gtitle == i_title);
6497 }
6498
6499 bool dvd_command_interpretor_c::MatchTitleNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6500 {
6501     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6502         return false;
6503
6504     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_TT )
6505         return false;
6506
6507     uint16 i_gtitle = (data.p_private_data->GetBuffer()[1] << 8 ) + data.p_private_data->GetBuffer()[2];
6508     uint8 i_title = *(uint8*)p_cookie;
6509
6510     return (i_gtitle == i_title);
6511 }
6512
6513 bool dvd_command_interpretor_c::MatchPgcType( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6514 {
6515     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6516         return false;
6517
6518     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6519         return false;
6520
6521     uint8 i_pgc_type = data.p_private_data->GetBuffer()[3] & 0x0F;
6522     uint8 i_pgc = *(uint8*)p_cookie;
6523
6524     return (i_pgc_type == i_pgc);
6525 }
6526
6527 bool dvd_command_interpretor_c::MatchPgcNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6528 {
6529     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6530         return false;
6531
6532     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6533         return false;
6534
6535     uint16 *i_pgc_n = (uint16 *)p_cookie;
6536     uint16 i_pgc_num = (data.p_private_data->GetBuffer()[1] << 8) + data.p_private_data->GetBuffer()[2];
6537
6538     return (i_pgc_num == *i_pgc_n);
6539 }
6540
6541 bool dvd_command_interpretor_c::MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6542 {
6543     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
6544         return false;
6545
6546     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PTT )
6547         return false;
6548
6549     uint8 i_chapter = data.p_private_data->GetBuffer()[1];
6550     uint8 i_ptt = *(uint8*)p_cookie;
6551
6552     return (i_chapter == i_ptt);
6553 }
6554
6555 bool dvd_command_interpretor_c::MatchCellNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6556 {
6557     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 5 )
6558         return false;
6559
6560     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_CN )
6561         return false;
6562
6563     uint8 *i_cell_n = (uint8 *)p_cookie;
6564     uint8 i_cell_num = data.p_private_data->GetBuffer()[3];
6565
6566     return (i_cell_num == *i_cell_n);
6567 }
6568
6569 bool matroska_script_codec_c::Enter()
6570 {
6571     bool f_result = false;
6572     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
6573     while ( index != enter_cmds.end() )
6574     {
6575         if ( (*index)->GetSize() )
6576         {
6577             msg_Dbg( &sys.demuxer, "Matroska Script enter command" );
6578             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6579         }
6580         index++;
6581     }
6582     return f_result;
6583 }
6584
6585 bool matroska_script_codec_c::Leave()
6586 {
6587     bool f_result = false;
6588     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
6589     while ( index != leave_cmds.end() )
6590     {
6591         if ( (*index)->GetSize() )
6592         {
6593             msg_Dbg( &sys.demuxer, "Matroska Script leave command" );
6594             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6595         }
6596         index++;
6597     }
6598     return f_result;
6599 }
6600
6601 // see http://www.matroska.org/technical/specs/chapters/index.html#mscript
6602 //  for a description of existing commands
6603 bool matroska_script_interpretor_c::Interpret( const binary * p_command, size_t i_size )
6604 {
6605     bool b_result = false;
6606
6607     char *psz_str = (char*) malloc( i_size + 1 );
6608     memcpy( psz_str, p_command, i_size );
6609     psz_str[ i_size ] = '\0';
6610
6611     std::string sz_command = psz_str;
6612     free( psz_str );
6613
6614     msg_Dbg( &sys.demuxer, "command : %s", sz_command.c_str() );
6615
6616 #if defined(__GNUC__) && (__GNUC__ < 3)
6617     if ( sz_command.compare( CMD_MS_GOTO_AND_PLAY, 0, CMD_MS_GOTO_AND_PLAY.size() ) == 0 )
6618 #else
6619     if ( sz_command.compare( 0, CMD_MS_GOTO_AND_PLAY.size(), CMD_MS_GOTO_AND_PLAY ) == 0 )
6620 #endif
6621     {
6622         size_t i,j;
6623
6624         // find the (
6625         for ( i=CMD_MS_GOTO_AND_PLAY.size(); i<sz_command.size(); i++)
6626         {
6627             if ( sz_command[i] == '(' )
6628             {
6629                 i++;
6630                 break;
6631             }
6632         }
6633         // find the )
6634         for ( j=i; j<sz_command.size(); j++)
6635         {
6636             if ( sz_command[j] == ')' )
6637             {
6638                 i--;
6639                 break;
6640             }
6641         }
6642
6643         std::string st = sz_command.substr( i+1, j-i-1 );
6644         int64_t i_chapter_uid = atoi( st.c_str() );
6645
6646         virtual_segment_c *p_segment;
6647         chapter_item_c *p_chapter = sys.FindChapter( i_chapter_uid, p_segment );
6648
6649         if ( p_chapter == NULL )
6650             msg_Dbg( &sys.demuxer, "Chapter "I64Fd" not found", i_chapter_uid);
6651         else
6652         {
6653             if ( !p_chapter->EnterAndLeave( sys.p_current_segment->CurrentChapter() ) )
6654                 p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6655             b_result = true;
6656         }
6657     }
6658
6659     return b_result;
6660 }
6661
6662 void demux_sys_t::SwapButtons()
6663 {
6664 #ifndef WORDS_BIGENDIAN
6665     uint8_t button, i, j;
6666
6667     for( button = 1; button <= pci_packet.hli.hl_gi.btn_ns; button++) {
6668         btni_t *button_ptr = &(pci_packet.hli.btnit[button-1]);
6669         binary *p_data = (binary*) button_ptr;
6670
6671         uint16 i_x_start = ((p_data[0] & 0x3F) << 4 ) + ( p_data[1] >> 4 );
6672         uint16 i_x_end   = ((p_data[1] & 0x03) << 8 ) + p_data[2];
6673         uint16 i_y_start = ((p_data[3] & 0x3F) << 4 ) + ( p_data[4] >> 4 );
6674         uint16 i_y_end   = ((p_data[4] & 0x03) << 8 ) + p_data[5];
6675         button_ptr->x_start = i_x_start;
6676         button_ptr->x_end   = i_x_end;
6677         button_ptr->y_start = i_y_start;
6678         button_ptr->y_end   = i_y_end;
6679
6680     }
6681     for ( i = 0; i<3; i++ )
6682     {
6683         for ( j = 0; j<2; j++ )
6684         {
6685             pci_packet.hli.btn_colit.btn_coli[i][j] = U32_AT( &pci_packet.hli.btn_colit.btn_coli[i][j] );
6686         }
6687     }
6688 #endif
6689 }