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

   1 /*****************************************************************************
   2  * mkv.cpp : matroska demuxer
   3  *****************************************************************************
   4  * Copyright (C) 2003-2004 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   8  *          Steve Lhomme <steve.lhomme@free.fr>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  23  *****************************************************************************/
  24
  25 /*****************************************************************************
  26  * Preamble
  27  *****************************************************************************/
  28
  29 #include <vlc/vlc.h>
  30
  31 #ifdef HAVE_TIME_H
  32 #   include <time.h>                                               /* time() */
  33 #endif
  34
  35
  36 #include <vlc_codecs.h>               /* BITMAPINFOHEADER, WAVEFORMATEX */
  37 #include "iso_lang.h"
  38 #include "vlc_meta.h"
  39 #include <vlc_charset.h>
  40 #include <vlc_input.h>
  41 #include <vlc_demux.h>
  42
  43 #include <iostream>
  44 #include <cassert>
  45 #include <typeinfo>
  46 #include <string>
  47 #include <vector>
  48 #include <algorithm>
  49
  50 #ifdef HAVE_DIRENT_H
  51 #   include <dirent.h>
  52 #endif
  53
  54 /* libebml and matroska */
  55 #include "ebml/EbmlHead.h"
  56 #include "ebml/EbmlSubHead.h"
  57 #include "ebml/EbmlStream.h"
  58 #include "ebml/EbmlContexts.h"
  59 #include "ebml/EbmlVoid.h"
  60 #include "ebml/EbmlVersion.h"
  61 #include "ebml/StdIOCallback.h"
  62
  63 #include "matroska/KaxAttachments.h"
  64 #include "matroska/KaxAttached.h"
  65 #include "matroska/KaxBlock.h"
  66 #include "matroska/KaxBlockData.h"
  67 #include "matroska/KaxChapters.h"
  68 #include "matroska/KaxCluster.h"
  69 #include "matroska/KaxClusterData.h"
  70 #include "matroska/KaxContexts.h"
  71 #include "matroska/KaxCues.h"
  72 #include "matroska/KaxCuesData.h"
  73 #include "matroska/KaxInfo.h"
  74 #include "matroska/KaxInfoData.h"
  75 #include "matroska/KaxSeekHead.h"
  76 #include "matroska/KaxSegment.h"
  77 #include "matroska/KaxTag.h"
  78 #include "matroska/KaxTags.h"
  79 #include "matroska/KaxTagMulti.h"
  80 #include "matroska/KaxTracks.h"
  81 #include "matroska/KaxTrackAudio.h"
  82 #include "matroska/KaxTrackVideo.h"
  83 #include "matroska/KaxTrackEntryData.h"
  84 #include "matroska/KaxContentEncoding.h"
  85 #include "matroska/KaxVersion.h"
  86
  87 #include "ebml/StdIOCallback.h"
  88
  89 #if LIBMATROSKA_VERSION < 0x000706
  90 START_LIBMATROSKA_NAMESPACE
  91 extern const EbmlSemanticContext MATROSKA_DLL_API KaxMatroska_Context;
  92 END_LIBMATROSKA_NAMESPACE
  93 #endif
  94
  95 #include "vlc_keys.h"
  96
  97 extern "C" {
  98    #include "mp4/libmp4.h"
  99 }
 100 #ifdef HAVE_ZLIB_H
 101 #   include <zlib.h>
 102 #endif
 103
 104 #define MATROSKA_COMPRESSION_NONE  -1
 105 #define MATROSKA_COMPRESSION_ZLIB   0
 106 #define MATROSKA_COMPRESSION_BLIB   1
 107 #define MATROSKA_COMPRESSION_LZOX   2
 108 #define MATROSKA_COMPRESSION_HEADER 3
 109
 110 #define MKVD_TIMECODESCALE 1000000
 111
 112 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 113 #undef ATTRIBUTE_PACKED
 114 #undef PRAGMA_PACK_BEGIN
 115 #undef PRAGMA_PACK_END
 116
 117 #if defined(__GNUC__)
 118 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)
 119 #define ATTRIBUTE_PACKED __attribute__ ((packed))
 120 #define PRAGMA_PACK 0
 121 #endif
 122 #endif
 123
 124 #if !defined(ATTRIBUTE_PACKED)
 125 #define ATTRIBUTE_PACKED
 126 #define PRAGMA_PACK 1
 127 #endif
 128
 129 #if PRAGMA_PACK
 130 #pragma pack(1)
 131 #endif
 132
 133 /*************************************
 134 *  taken from libdvdnav / libdvdread
 135 **************************************/
 136
 137 /**
 138  * DVD Time Information.
 139  */
 140 typedef struct {
 141   uint8_t hour;
 142   uint8_t minute;
 143   uint8_t second;
 144   uint8_t frame_u; /* The two high bits are the frame rate. */
 145 } ATTRIBUTE_PACKED dvd_time_t;
 146
 147 /**
 148  * User Operations.
 149  */
 150 typedef struct {
 151 #ifdef WORDS_BIGENDIAN
 152   unsigned char zero                           : 7; /* 25-31 */
 153   unsigned char video_pres_mode_change         : 1; /* 24 */
 154
 155   unsigned char karaoke_audio_pres_mode_change : 1; /* 23 */
 156   unsigned char angle_change                   : 1;
 157   unsigned char subpic_stream_change           : 1;
 158   unsigned char audio_stream_change            : 1;
 159   unsigned char pause_on                       : 1;
 160   unsigned char still_off                      : 1;
 161   unsigned char button_select_or_activate      : 1;
 162   unsigned char resume                         : 1; /* 16 */
 163
 164   unsigned char chapter_menu_call              : 1; /* 15 */
 165   unsigned char angle_menu_call                : 1;
 166   unsigned char audio_menu_call                : 1;
 167   unsigned char subpic_menu_call               : 1;
 168   unsigned char root_menu_call                 : 1;
 169   unsigned char title_menu_call                : 1;
 170   unsigned char backward_scan                  : 1;
 171   unsigned char forward_scan                   : 1; /* 8 */
 172
 173   unsigned char next_pg_search                 : 1; /* 7 */
 174   unsigned char prev_or_top_pg_search          : 1;
 175   unsigned char time_or_chapter_search         : 1;
 176   unsigned char go_up                          : 1;
 177   unsigned char stop                           : 1;
 178   unsigned char title_play                     : 1;
 179   unsigned char chapter_search_or_play         : 1;
 180   unsigned char title_or_time_play             : 1; /* 0 */
 181 #else
 182   unsigned char video_pres_mode_change         : 1; /* 24 */
 183   unsigned char zero                           : 7; /* 25-31 */
 184
 185   unsigned char resume                         : 1; /* 16 */
 186   unsigned char button_select_or_activate      : 1;
 187   unsigned char still_off                      : 1;
 188   unsigned char pause_on                       : 1;
 189   unsigned char audio_stream_change            : 1;
 190   unsigned char subpic_stream_change           : 1;
 191   unsigned char angle_change                   : 1;
 192   unsigned char karaoke_audio_pres_mode_change : 1; /* 23 */
 193
 194   unsigned char forward_scan                   : 1; /* 8 */
 195   unsigned char backward_scan                  : 1;
 196   unsigned char title_menu_call                : 1;
 197   unsigned char root_menu_call                 : 1;
 198   unsigned char subpic_menu_call               : 1;
 199   unsigned char audio_menu_call                : 1;
 200   unsigned char angle_menu_call                : 1;
 201   unsigned char chapter_menu_call              : 1; /* 15 */
 202
 203   unsigned char title_or_time_play             : 1; /* 0 */
 204   unsigned char chapter_search_or_play         : 1;
 205   unsigned char title_play                     : 1;
 206   unsigned char stop                           : 1;
 207   unsigned char go_up                          : 1;
 208   unsigned char time_or_chapter_search         : 1;
 209   unsigned char prev_or_top_pg_search          : 1;
 210   unsigned char next_pg_search                 : 1; /* 7 */
 211 #endif
 212 } ATTRIBUTE_PACKED user_ops_t;
 213
 214 /**
 215  * Type to store per-command data.
 216  */
 217 typedef struct {
 218   uint8_t bytes[8];
 219 } ATTRIBUTE_PACKED vm_cmd_t;
 220 #define COMMAND_DATA_SIZE 8
 221
 222 /**
 223  * PCI General Information
 224  */
 225 typedef struct {
 226   uint32_t nv_pck_lbn;      /**< sector address of this nav pack */
 227   uint16_t vobu_cat;        /**< 'category' of vobu */
 228   uint16_t zero1;           /**< reserved */
 229   user_ops_t vobu_uop_ctl;  /**< UOP of vobu */
 230   uint32_t vobu_s_ptm;      /**< start presentation time of vobu */
 231   uint32_t vobu_e_ptm;      /**< end presentation time of vobu */
 232   uint32_t vobu_se_e_ptm;   /**< end ptm of sequence end in vobu */
 233   dvd_time_t e_eltm;        /**< Cell elapsed time */
 234   char vobu_isrc[32];
 235 } ATTRIBUTE_PACKED pci_gi_t;
 236
 237 /**
 238  * Non Seamless Angle Information
 239  */
 240 typedef struct {
 241   uint32_t nsml_agl_dsta[9];  /**< address of destination vobu in AGL_C#n */
 242 } ATTRIBUTE_PACKED nsml_agli_t;
 243
 244 /**
 245  * Highlight General Information
 246  *
 247  * For btngrX_dsp_ty the bits have the following meaning:
 248  * 000b: normal 4/3 only buttons
 249  * XX1b: wide (16/9) buttons
 250  * X1Xb: letterbox buttons
 251  * 1XXb: pan&scan buttons
 252  */
 253 typedef struct {
 254   uint16_t hli_ss; /**< status, only low 2 bits 0: no buttons, 1: different 2: equal 3: eual except for button cmds */
 255   uint32_t hli_s_ptm;              /**< start ptm of hli */
 256   uint32_t hli_e_ptm;              /**< end ptm of hli */
 257   uint32_t btn_se_e_ptm;           /**< end ptm of button select */
 258 #ifdef WORDS_BIGENDIAN
 259   unsigned char zero1 : 2;          /**< reserved */
 260   unsigned char btngr_ns : 2;       /**< number of button groups 1, 2 or 3 with 36/18/12 buttons */
 261   unsigned char zero2 : 1;          /**< reserved */
 262   unsigned char btngr1_dsp_ty : 3;  /**< display type of subpic stream for button group 1 */
 263   unsigned char zero3 : 1;          /**< reserved */
 264   unsigned char btngr2_dsp_ty : 3;  /**< display type of subpic stream for button group 2 */
 265   unsigned char zero4 : 1;          /**< reserved */
 266   unsigned char btngr3_dsp_ty : 3;  /**< display type of subpic stream for button group 3 */
 267 #else
 268   unsigned char btngr1_dsp_ty : 3;
 269   unsigned char zero2 : 1;
 270   unsigned char btngr_ns : 2;
 271   unsigned char zero1 : 2;
 272   unsigned char btngr3_dsp_ty : 3;
 273   unsigned char zero4 : 1;
 274   unsigned char btngr2_dsp_ty : 3;
 275   unsigned char zero3 : 1;
 276 #endif
 277   uint8_t btn_ofn;     /**< button offset number range 0-255 */
 278   uint8_t btn_ns;      /**< number of valid buttons  <= 36/18/12 (low 6 bits) */
 279   uint8_t nsl_btn_ns;  /**< number of buttons selectable by U_BTNNi (low 6 bits)   nsl_btn_ns <= btn_ns */
 280   uint8_t zero5;       /**< reserved */
 281   uint8_t fosl_btnn;   /**< forcedly selected button  (low 6 bits) */
 282   uint8_t foac_btnn;   /**< forcedly activated button (low 6 bits) */
 283 } ATTRIBUTE_PACKED hl_gi_t;
 284
 285
 286 /**
 287  * Button Color Information Table
 288  * Each entry beeing a 32bit word that contains the color indexs and alpha
 289  * values to use.  They are all represented by 4 bit number and stored
 290  * like this [Ci3, Ci2, Ci1, Ci0, A3, A2, A1, A0].   The actual palette
 291  * that the indexes reference is in the PGC.
 292  * \todo split the uint32_t into a struct
 293  */
 294 typedef struct {
 295   uint32_t btn_coli[3][2];  /**< [button color number-1][select:0/action:1] */
 296 } ATTRIBUTE_PACKED btn_colit_t;
 297
 298 /**
 299  * Button Information
 300  *
 301  * NOTE: I've had to change the structure from the disk layout to get
 302  * the packing to work with Sun's Forte C compiler.
 303  * The 4 and 7 bytes are 'rotated' was: ABC DEF GHIJ  is: ABCG DEFH IJ
 304  */
 305 typedef struct {
 306 #ifdef WORDS_BIGENDIAN
 307   uint32        btn_coln         : 2;  /**< button color number */
 308   uint32        x_start          : 10; /**< x start offset within the overlay */
 309   uint32        zero1            : 2;  /**< reserved */
 310   uint32        x_end            : 10; /**< x end offset within the overlay */
 311
 312   uint32        zero3            : 2;  /**< reserved */
 313   uint32        up               : 6;  /**< button index when pressing up */
 314
 315   uint32        auto_action_mode : 2;  /**< 0: no, 1: activated if selected */
 316   uint32        y_start          : 10; /**< y start offset within the overlay */
 317   uint32        zero2            : 2;  /**< reserved */
 318   uint32        y_end            : 10; /**< y end offset within the overlay */
 319
 320   uint32        zero4            : 2;  /**< reserved */
 321   uint32        down             : 6;  /**< button index when pressing down */
 322   unsigned char zero5            : 2;  /**< reserved */
 323   unsigned char left             : 6;  /**< button index when pressing left */
 324   unsigned char zero6            : 2;  /**< reserved */
 325   unsigned char right            : 6;  /**< button index when pressing right */
 326 #else
 327   uint32        x_end            : 10;
 328   uint32        zero1            : 2;
 329   uint32        x_start          : 10;
 330   uint32        btn_coln         : 2;
 331
 332   uint32        up               : 6;
 333   uint32        zero3            : 2;
 334
 335   uint32        y_end            : 10;
 336   uint32        zero2            : 2;
 337   uint32        y_start          : 10;
 338   uint32        auto_action_mode : 2;
 339
 340   uint32        down             : 6;
 341   uint32        zero4            : 2;
 342   unsigned char left             : 6;
 343   unsigned char zero5            : 2;
 344   unsigned char right            : 6;
 345   unsigned char zero6            : 2;
 346 #endif
 347   vm_cmd_t cmd;
 348 } ATTRIBUTE_PACKED btni_t;
 349
 350 /**
 351  * Highlight Information
 352  */
 353 typedef struct {
 354   hl_gi_t     hl_gi;
 355   btn_colit_t btn_colit;
 356   btni_t      btnit[36];
 357 } ATTRIBUTE_PACKED hli_t;
 358
 359 /**
 360  * PCI packet
 361  */
 362 typedef struct {
 363   pci_gi_t    pci_gi;
 364   nsml_agli_t nsml_agli;
 365   hli_t       hli;
 366   uint8_t     zero1[189];
 367 } ATTRIBUTE_PACKED pci_t;
 368
 369
 370 #if PRAGMA_PACK
 371 #pragma pack()
 372 #endif
 373 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 374
 375
 376 /**
 377  * What's between a directory and a filename?
 378  */
 379 #if defined( WIN32 )
 380     #define DIRECTORY_SEPARATOR '\\'
 381 #else
 382     #define DIRECTORY_SEPARATOR '/'
 383 #endif
 384
 385 using namespace LIBMATROSKA_NAMESPACE;
 386 using namespace std;
 387
 388 /*****************************************************************************
 389  * Module descriptor
 390  *****************************************************************************/
 391 static int  Open ( vlc_object_t * );
 392 static void Close( vlc_object_t * );
 393
 394 vlc_module_begin();
 395     set_shortname( "Matroska" );
 396     set_description( _("Matroska stream demuxer" ) );
 397     set_capability( "demux2", 50 );
 398     set_callbacks( Open, Close );
 399     set_category( CAT_INPUT );
 400     set_subcategory( SUBCAT_INPUT_DEMUX );
 401
 402     add_bool( "mkv-use-ordered-chapters", 1, NULL,
 403             N_("Ordered chapters"),
 404             N_("Play ordered chapters as specified in the segment."), VLC_TRUE );
 405
 406     add_bool( "mkv-use-chapter-codec", 1, NULL,
 407             N_("Chapter codecs"),
 408             N_("Use chapter codecs found in the segment."), VLC_TRUE );
 409
 410     add_bool( "mkv-preload-local-dir", 1, NULL,
 411             N_("Preload Directory"),
 412             N_("Preload matroska files from the same family in the same directory (not good for broken files)."), VLC_TRUE );
 413
 414     add_bool( "mkv-seek-percent", 0, NULL,
 415             N_("Seek based on percent not time"),
 416             N_("Seek based on percent not time."), VLC_TRUE );
 417
 418     add_bool( "mkv-use-dummy", 0, NULL,
 419             N_("Dummy Elements"),
 420             N_("Read and discard unknown EBML elements (not good for broken files)."), VLC_TRUE );
 421
 422     add_shortcut( "mka" );
 423     add_shortcut( "mkv" );
 424 vlc_module_end();
 425
 426 /*****************************************************************************
 427  * Local prototypes
 428  *****************************************************************************/
 429 #ifdef HAVE_ZLIB_H
 430 block_t *block_zlib_decompress( vlc_object_t *p_this, block_t *p_in_block ) {
 431     int result, dstsize, n;
 432     unsigned char *dst;
 433     block_t *p_block;
 434     z_stream d_stream;
 435
 436     d_stream.zalloc = (alloc_func)0;
 437     d_stream.zfree = (free_func)0;
 438     d_stream.opaque = (voidpf)0;
 439     result = inflateInit(&d_stream);
 440     if( result != Z_OK )
 441     {
 442         msg_Dbg( p_this, "inflateInit() failed. Result: %d", result );
 443         return NULL;
 444     }
 445
 446     d_stream.next_in = (Bytef *)p_in_block->p_buffer;
 447     d_stream.avail_in = p_in_block->i_buffer;
 448     n = 0;
 449     p_block = block_New( p_this, 0 );
 450     dst = NULL;
 451     do
 452     {
 453         n++;
 454         p_block = block_Realloc( p_block, 0, n * 1000 );
 455         dst = (unsigned char *)p_block->p_buffer;
 456         d_stream.next_out = (Bytef *)&dst[(n - 1) * 1000];
 457         d_stream.avail_out = 1000;
 458         result = inflate(&d_stream, Z_NO_FLUSH);
 459         if( ( result != Z_OK ) && ( result != Z_STREAM_END ) )
 460         {
 461             msg_Dbg( p_this, "Zlib decompression failed. Result: %d", result );
 462             return NULL;
 463         }
 464     }
 465     while( ( d_stream.avail_out == 0 ) && ( d_stream.avail_in != 0 ) &&
 466            ( result != Z_STREAM_END ) );
 467
 468     dstsize = d_stream.total_out;
 469     inflateEnd( &d_stream );
 470
 471     p_block = block_Realloc( p_block, 0, dstsize );
 472     p_block->i_buffer = dstsize;
 473     block_Release( p_in_block );
 474
 475     return p_block;
 476 }
 477 #endif
 478
 479 /**
 480  * Helper function to print the mkv parse tree
 481  */
 482 static void MkvTree( demux_t & demuxer, int i_level, const char *psz_format, ... )
 483 {
 484     va_list args;
 485     if( i_level > 9 )
 486     {
 487         msg_Err( &demuxer, "too deep tree" );
 488         return;
 489     }
 490     va_start( args, psz_format );
 491     static const char psz_foo[] = "|   |   |   |   |   |   |   |   |   |";
 492     char *psz_foo2 = (char*)malloc( ( i_level * 4 + 3 + strlen( psz_format ) ) * sizeof(char) );
 493     strncpy( psz_foo2, psz_foo, 4 * i_level );
 494     psz_foo2[ 4 * i_level ] = '+';
 495     psz_foo2[ 4 * i_level + 1 ] = ' ';
 496     strcpy( &psz_foo2[ 4 * i_level + 2 ], psz_format );
 497     __msg_GenericVa( VLC_OBJECT(&demuxer), MSG_QUEUE_NORMAL, VLC_MSG_DBG, "mkv", psz_foo2, args );
 498     free( psz_foo2 );
 499     va_end( args );
 500 }
 501
 502 /*****************************************************************************
 503  * Stream managment
 504  *****************************************************************************/
 505 class vlc_stream_io_callback: public IOCallback
 506 {
 507   private:
 508     stream_t       *s;
 509     vlc_bool_t     mb_eof;
 510     vlc_bool_t     b_owner;
 511
 512   public:
 513     vlc_stream_io_callback( stream_t *, vlc_bool_t );
 514
 515     virtual ~vlc_stream_io_callback()
 516     {
 517         if( b_owner )
 518             stream_Delete( s );
 519     }
 520
 521     virtual uint32   read            ( void *p_buffer, size_t i_size);
 522     virtual void     setFilePointer  ( int64_t i_offset, seek_mode mode = seek_beginning );
 523     virtual size_t   write           ( const void *p_buffer, size_t i_size);
 524     virtual uint64   getFilePointer  ( void );
 525     virtual void     close           ( void );
 526 };
 527
 528 /*****************************************************************************
 529  * Ebml Stream parser
 530  *****************************************************************************/
 531 class EbmlParser
 532 {
 533   public:
 534     EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux );
 535     virtual ~EbmlParser( void );
 536
 537     void Up( void );
 538     void Down( void );
 539     void Reset( demux_t *p_demux );
 540     EbmlElement *Get( void );
 541     void        Keep( void );
 542     EbmlElement *UnGet( uint64 i_block_pos, uint64 i_cluster_pos );
 543
 544     int GetLevel( void );
 545
 546   private:
 547     EbmlStream  *m_es;
 548     int         mi_level;
 549     EbmlElement *m_el[10];
 550     int64_t      mi_remain_size[10];
 551
 552     EbmlElement *m_got;
 553
 554     int         mi_user_level;
 555     vlc_bool_t  mb_keep;
 556     vlc_bool_t  mb_dummy;
 557 };
 558
 559
 560 /*****************************************************************************
 561  * Some functions to manipulate memory
 562  *****************************************************************************/
 563 #define GetFOURCC( p )  __GetFOURCC( (uint8_t*)p )
 564 static vlc_fourcc_t __GetFOURCC( uint8_t *p )
 565 {
 566     return VLC_FOURCC( p[0], p[1], p[2], p[3] );
 567 }
 568
 569 /*****************************************************************************
 570  * definitions of structures and functions used by this plugins
 571  *****************************************************************************/
 572 typedef struct
 573 {
 574 //    ~mkv_track_t();
 575
 576     vlc_bool_t   b_default;
 577     vlc_bool_t   b_enabled;
 578     unsigned int i_number;
 579
 580     int          i_extra_data;
 581     uint8_t      *p_extra_data;
 582
 583     char         *psz_codec;
 584
 585     uint64_t     i_default_duration;
 586     float        f_timecodescale;
 587     mtime_t      i_last_dts;
 588
 589     /* video */
 590     es_format_t fmt;
 591     float       f_fps;
 592     es_out_id_t *p_es;
 593
 594     /* audio */
 595     unsigned int i_original_rate;
 596
 597     vlc_bool_t      b_inited;
 598     /* data to be send first */
 599     int             i_data_init;
 600     uint8_t         *p_data_init;
 601
 602     /* hack : it's for seek */
 603     vlc_bool_t      b_search_keyframe;
 604     vlc_bool_t      b_silent;
 605
 606     /* informative */
 607     const char   *psz_codec_name;
 608     const char   *psz_codec_settings;
 609     const char   *psz_codec_info_url;
 610     const char   *psz_codec_download_url;
 611
 612     /* encryption/compression */
 613     int                    i_compression_type;
 614     KaxContentCompSettings *p_compression_data;
 615
 616 } mkv_track_t;
 617
 618 typedef struct
 619 {
 620     int     i_track;
 621     int     i_block_number;
 622
 623     int64_t i_position;
 624     int64_t i_time;
 625
 626     vlc_bool_t b_key;
 627 } mkv_index_t;
 628
 629 class demux_sys_t;
 630
 631 const binary MATROSKA_DVD_LEVEL_SS   = 0x30;
 632 const binary MATROSKA_DVD_LEVEL_LU   = 0x2A;
 633 const binary MATROSKA_DVD_LEVEL_TT   = 0x28;
 634 const binary MATROSKA_DVD_LEVEL_PGC  = 0x20;
 635 const binary MATROSKA_DVD_LEVEL_PG   = 0x18;
 636 const binary MATROSKA_DVD_LEVEL_PTT  = 0x10;
 637 const binary MATROSKA_DVD_LEVEL_CN   = 0x08;
 638
 639 class chapter_codec_cmds_c
 640 {
 641 public:
 642     chapter_codec_cmds_c( demux_sys_t & demuxer, int codec_id = -1)
 643     :p_private_data(NULL)
 644     ,i_codec_id( codec_id )
 645     ,sys( demuxer )
 646     {}
 647
 648     virtual ~chapter_codec_cmds_c()
 649     {
 650         delete p_private_data;
 651         std::vector<KaxChapterProcessData*>::iterator indexe = enter_cmds.begin();
 652         while ( indexe != enter_cmds.end() )
 653         {
 654             delete (*indexe);
 655             indexe++;
 656         }
 657         std::vector<KaxChapterProcessData*>::iterator indexl = leave_cmds.begin();
 658         while ( indexl != leave_cmds.end() )
 659         {
 660             delete (*indexl);
 661             indexl++;
 662         }
 663         std::vector<KaxChapterProcessData*>::iterator indexd = during_cmds.begin();
 664         while ( indexd != during_cmds.end() )
 665         {
 666             delete (*indexd);
 667             indexd++;
 668         }
 669     }
 670
 671     void SetPrivate( const KaxChapterProcessPrivate & private_data )
 672     {
 673         p_private_data = new KaxChapterProcessPrivate( private_data );
 674     }
 675
 676     void AddCommand( const KaxChapterProcessCommand & command );
 677
 678     /// \return wether the codec has seeked in the files or not
 679     virtual bool Enter() { return false; }
 680     virtual bool Leave() { return false; }
 681     virtual std::string GetCodecName( bool f_for_title = false ) const { return ""; }
 682     virtual int16 GetTitleNumber() { return -1; }
 683
 684     KaxChapterProcessPrivate *p_private_data;
 685
 686 protected:
 687     std::vector<KaxChapterProcessData*> enter_cmds;
 688     std::vector<KaxChapterProcessData*> during_cmds;
 689     std::vector<KaxChapterProcessData*> leave_cmds;
 690
 691     int i_codec_id;
 692     demux_sys_t & sys;
 693 };
 694
 695 class dvd_command_interpretor_c
 696 {
 697 public:
 698     dvd_command_interpretor_c( demux_sys_t & demuxer )
 699     :sys( demuxer )
 700     {
 701         memset( p_PRMs, 0, sizeof(p_PRMs) );
 702         p_PRMs[ 0x80 + 1 ] = 15;
 703         p_PRMs[ 0x80 + 2 ] = 62;
 704         p_PRMs[ 0x80 + 3 ] = 1;
 705         p_PRMs[ 0x80 + 4 ] = 1;
 706         p_PRMs[ 0x80 + 7 ] = 1;
 707         p_PRMs[ 0x80 + 8 ] = 1;
 708         p_PRMs[ 0x80 + 16 ] = 0xFFFFu;
 709         p_PRMs[ 0x80 + 18 ] = 0xFFFFu;
 710     }
 711
 712     bool Interpret( const binary * p_command, size_t i_size = 8 );
 713
 714     uint16 GetPRM( size_t index ) const
 715     {
 716         if ( index < 256 )
 717             return p_PRMs[ index ];
 718         else return 0;
 719     }
 720
 721     uint16 GetGPRM( size_t index ) const
 722     {
 723         if ( index >= 0 && index < 16 )
 724             return p_PRMs[ index ];
 725         else return 0;
 726     }
 727
 728     uint16 GetSPRM( size_t index ) const
 729     {
 730         // 21,22,23 reserved for future use
 731         if ( index >= 0x80 && index < 0x95 )
 732             return p_PRMs[ index ];
 733         else return 0;
 734     }
 735
 736     bool SetPRM( size_t index, uint16 value )
 737     {
 738         if ( index >= 0 && index < 16 )
 739         {
 740             p_PRMs[ index ] = value;
 741             return true;
 742         }
 743         return false;
 744     }
 745
 746     bool SetGPRM( size_t index, uint16 value )
 747     {
 748         if ( index >= 0 && index < 16 )
 749         {
 750             p_PRMs[ index ] = value;
 751             return true;
 752         }
 753         return false;
 754     }
 755
 756     bool SetSPRM( size_t index, uint16 value )
 757     {
 758         if ( index > 0x80 && index <= 0x8D && index != 0x8C )
 759         {
 760             p_PRMs[ index ] = value;
 761             return true;
 762         }
 763         return false;
 764     }
 765
 766 protected:
 767     std::string GetRegTypeName( bool b_value, uint16 value ) const
 768     {
 769         std::string result;
 770         char s_value[6], s_reg_value[6];
 771         sprintf( s_value, "%.5d", value );
 772
 773         if ( b_value )
 774         {
 775             result = "value (";
 776             result += s_value;
 777             result += ")";
 778         }
 779         else if ( value < 0x80 )
 780         {
 781             sprintf( s_reg_value, "%.5d", GetPRM( value ) );
 782             result = "GPreg[";
 783             result += s_value;
 784             result += "] (";
 785             result += s_reg_value;
 786             result += ")";
 787         }
 788         else
 789         {
 790             sprintf( s_reg_value, "%.5d", GetPRM( value ) );
 791             result = "SPreg[";
 792             result += s_value;
 793             result += "] (";
 794             result += s_reg_value;
 795             result += ")";
 796         }
 797         return result;
 798     }
 799
 800     uint16       p_PRMs[256];
 801     demux_sys_t  & sys;
 802
 803     // DVD command IDs
 804
 805     // Tests
 806     // wether it's a comparison on the value or register
 807     static const uint16 CMD_DVD_TEST_VALUE          = 0x80;
 808     static const uint16 CMD_DVD_IF_GPREG_AND        = (1 << 4);
 809     static const uint16 CMD_DVD_IF_GPREG_EQUAL      = (2 << 4);
 810     static const uint16 CMD_DVD_IF_GPREG_NOT_EQUAL  = (3 << 4);
 811     static const uint16 CMD_DVD_IF_GPREG_SUP_EQUAL  = (4 << 4);
 812     static const uint16 CMD_DVD_IF_GPREG_SUP        = (5 << 4);
 813     static const uint16 CMD_DVD_IF_GPREG_INF_EQUAL  = (6 << 4);
 814     static const uint16 CMD_DVD_IF_GPREG_INF        = (7 << 4);
 815
 816     static const uint16 CMD_DVD_NOP                    = 0x0000;
 817     static const uint16 CMD_DVD_GOTO_LINE              = 0x0001;
 818     static const uint16 CMD_DVD_BREAK                  = 0x0002;
 819     // Links
 820     static const uint16 CMD_DVD_NOP2                   = 0x2001;
 821     static const uint16 CMD_DVD_LINKPGCN               = 0x2004;
 822     static const uint16 CMD_DVD_LINKPGN                = 0x2006;
 823     static const uint16 CMD_DVD_LINKCN                 = 0x2007;
 824     static const uint16 CMD_DVD_JUMP_TT                = 0x3002;
 825     static const uint16 CMD_DVD_JUMPVTS_TT             = 0x3003;
 826     static const uint16 CMD_DVD_JUMPVTS_PTT            = 0x3005;
 827     static const uint16 CMD_DVD_JUMP_SS                = 0x3006;
 828     static const uint16 CMD_DVD_CALLSS_VTSM1           = 0x3008;
 829     //
 830     static const uint16 CMD_DVD_SET_HL_BTNN2           = 0x4600;
 831     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN1  = 0x4604;
 832     static const uint16 CMD_DVD_SET_STREAM             = 0x5100;
 833     static const uint16 CMD_DVD_SET_GPRMMD             = 0x5300;
 834     static const uint16 CMD_DVD_SET_HL_BTNN1           = 0x5600;
 835     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN2  = 0x5604;
 836     static const uint16 CMD_DVD_SET_HL_BTNN_LINKCN     = 0x5607;
 837     // Operations
 838     static const uint16 CMD_DVD_MOV_SPREG_PREG         = 0x6100;
 839     static const uint16 CMD_DVD_GPREG_MOV_VALUE        = 0x7100;
 840     static const uint16 CMD_DVD_SUB_GPREG              = 0x7400;
 841     static const uint16 CMD_DVD_MULT_GPREG             = 0x7500;
 842     static const uint16 CMD_DVD_GPREG_DIV_VALUE        = 0x7600;
 843     static const uint16 CMD_DVD_GPREG_AND_VALUE        = 0x7900;
 844
 845     // callbacks when browsing inside CodecPrivate
 846     static bool MatchIsDomain     ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 847     static bool MatchIsVMG        ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 848     static bool MatchVTSNumber    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 849     static bool MatchVTSMNumber   ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 850     static bool MatchTitleNumber  ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 851     static bool MatchPgcType      ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 852     static bool MatchPgcNumber    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 853     static bool MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 854     static bool MatchCellNumber   ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 855 };
 856
 857 class dvd_chapter_codec_c : public chapter_codec_cmds_c
 858 {
 859 public:
 860     dvd_chapter_codec_c( demux_sys_t & sys )
 861     :chapter_codec_cmds_c( sys, 1 )
 862     {}
 863
 864     bool Enter();
 865     bool Leave();
 866     std::string GetCodecName( bool f_for_title = false ) const;
 867     int16 GetTitleNumber();
 868 };
 869
 870 class matroska_script_interpretor_c
 871 {
 872 public:
 873     matroska_script_interpretor_c( demux_sys_t & demuxer )
 874     :sys( demuxer )
 875     {}
 876
 877     bool Interpret( const binary * p_command, size_t i_size );
 878
 879     // DVD command IDs
 880     static const std::string CMD_MS_GOTO_AND_PLAY;
 881
 882 protected:
 883     demux_sys_t  & sys;
 884 };
 885
 886 const std::string matroska_script_interpretor_c::CMD_MS_GOTO_AND_PLAY = "GotoAndPlay";
 887
 888
 889 class matroska_script_codec_c : public chapter_codec_cmds_c
 890 {
 891 public:
 892     matroska_script_codec_c( demux_sys_t & sys )
 893     :chapter_codec_cmds_c( sys, 0 )
 894     ,interpretor( sys )
 895     {}
 896
 897     bool Enter();
 898     bool Leave();
 899
 900 protected:
 901     matroska_script_interpretor_c interpretor;
 902 };
 903
 904 class chapter_translation_c
 905 {
 906 public:
 907     chapter_translation_c()
 908         :p_translated(NULL)
 909     {}
 910
 911     ~chapter_translation_c()
 912     {
 913         delete p_translated;
 914     }
 915
 916     KaxChapterTranslateID  *p_translated;
 917     unsigned int           codec_id;
 918     std::vector<uint64_t>  editions;
 919 };
 920
 921 class chapter_item_c
 922 {
 923 public:
 924     chapter_item_c()
 925     :i_start_time(0)
 926     ,i_end_time(-1)
 927     ,i_user_start_time(-1)
 928     ,i_user_end_time(-1)
 929     ,i_seekpoint_num(-1)
 930     ,b_display_seekpoint(true)
 931     ,b_user_display(false)
 932     ,psz_parent(NULL)
 933     ,b_is_leaving(false)
 934     {}
 935
 936     virtual ~chapter_item_c()
 937     {
 938         std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
 939         while ( index != codecs.end() )
 940         {
 941             delete (*index);
 942             index++;
 943         }
 944         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
 945         while ( index_ != sub_chapters.end() )
 946         {
 947             delete (*index_);
 948             index_++;
 949         }
 950     }
 951
 952     int64_t RefreshChapters( bool b_ordered, int64_t i_prev_user_time );
 953     int PublishChapters( input_title_t & title, int & i_user_chapters, int i_level = 0 );
 954     virtual chapter_item_c * FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current, bool & b_found );
 955     void Append( const chapter_item_c & edition );
 956     chapter_item_c * FindChapter( int64_t i_find_uid );
 957     virtual chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
 958                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
 959                                     const void *p_cookie,
 960                                     size_t i_cookie_size );
 961     std::string                 GetCodecName( bool f_for_title = false ) const;
 962     bool                        ParentOf( const chapter_item_c & item ) const;
 963     int16                       GetTitleNumber( ) const;
 964
 965     int64_t                     i_start_time, i_end_time;
 966     int64_t                     i_user_start_time, i_user_end_time; /* the time in the stream when an edition is ordered */
 967     std::vector<chapter_item_c*> sub_chapters;
 968     int                         i_seekpoint_num;
 969     int64_t                     i_uid;
 970     bool                        b_display_seekpoint;
 971     bool                        b_user_display;
 972     std::string                 psz_name;
 973     chapter_item_c              *psz_parent;
 974     bool                        b_is_leaving;
 975
 976     std::vector<chapter_codec_cmds_c*> codecs;
 977
 978     static bool CompareTimecode( const chapter_item_c * itemA, const chapter_item_c * itemB )
 979     {
 980         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) );
 981     }
 982
 983     bool Enter( bool b_do_subchapters );
 984     bool Leave( bool b_do_subchapters );
 985     bool EnterAndLeave( chapter_item_c *p_item, bool b_enter = true );
 986 };
 987
 988 class chapter_edition_c : public chapter_item_c
 989 {
 990 public:
 991     chapter_edition_c()
 992     :b_ordered(false)
 993     {}
 994
 995     void RefreshChapters( );
 996     mtime_t Duration() const;
 997     std::string GetMainName() const;
 998     chapter_item_c * FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current );
 999
1000     bool                        b_ordered;
1001 };
1002
1003 class matroska_segment_c
1004 {
1005 public:
1006     matroska_segment_c( demux_sys_t & demuxer, EbmlStream & estream )
1007         :segment(NULL)
1008         ,es(estream)
1009         ,i_timescale(MKVD_TIMECODESCALE)
1010         ,i_duration(-1)
1011         ,i_start_time(0)
1012         ,i_cues_position(-1)
1013         ,i_chapters_position(-1)
1014         ,i_tags_position(-1)
1015         ,cluster(NULL)
1016         ,i_block_pos(0)
1017         ,i_cluster_pos(0)
1018         ,i_start_pos(0)
1019         ,p_segment_uid(NULL)
1020         ,p_prev_segment_uid(NULL)
1021         ,p_next_segment_uid(NULL)
1022         ,b_cues(VLC_FALSE)
1023         ,i_index(0)
1024         ,i_index_max(1024)
1025         ,psz_muxing_application(NULL)
1026         ,psz_writing_application(NULL)
1027         ,psz_segment_filename(NULL)
1028         ,psz_title(NULL)
1029         ,psz_date_utc(NULL)
1030         ,i_default_edition(0)
1031         ,sys(demuxer)
1032         ,ep(NULL)
1033         ,b_preloaded(false)
1034     {
1035         p_indexes = (mkv_index_t*)malloc( sizeof( mkv_index_t ) * i_index_max );
1036     }
1037
1038     virtual ~matroska_segment_c()
1039     {
1040         for( size_t i_track = 0; i_track < tracks.size(); i_track++ )
1041         {
1042             if ( tracks[i_track]->p_compression_data )
1043             {
1044                 delete tracks[i_track]->p_compression_data;
1045             }
1046             es_format_Clean( &tracks[i_track]->fmt );
1047             if( tracks[i_track]->p_extra_data )
1048                 free( tracks[i_track]->p_extra_data );
1049             if( tracks[i_track]->psz_codec )
1050                 free( tracks[i_track]->psz_codec );
1051             delete tracks[i_track];
1052         }
1053
1054         if( psz_writing_application )
1055         {
1056             free( psz_writing_application );
1057         }
1058         if( psz_muxing_application )
1059         {
1060             free( psz_muxing_application );
1061         }
1062         if( psz_segment_filename )
1063         {
1064             free( psz_segment_filename );
1065         }
1066         if( psz_title )
1067         {
1068             free( psz_title );
1069         }
1070         if( psz_date_utc )
1071         {
1072             free( psz_date_utc );
1073         }
1074         if ( p_indexes )
1075             free( p_indexes );
1076
1077         delete ep;
1078         delete segment;
1079         delete p_segment_uid;
1080         delete p_prev_segment_uid;
1081         delete p_next_segment_uid;
1082
1083         std::vector<chapter_edition_c*>::iterator index = stored_editions.begin();
1084         while ( index != stored_editions.end() )
1085         {
1086             delete (*index);
1087             index++;
1088         }
1089         std::vector<chapter_translation_c*>::iterator indext = translations.begin();
1090         while ( indext != translations.end() )
1091         {
1092             delete (*indext);
1093             indext++;
1094         }
1095         std::vector<KaxSegmentFamily*>::iterator indexf = families.begin();
1096         while ( indexf != families.end() )
1097         {
1098             delete (*indexf);
1099             indexf++;
1100         }
1101     }
1102
1103     KaxSegment              *segment;
1104     EbmlStream              & es;
1105
1106     /* time scale */
1107     uint64_t                i_timescale;
1108
1109     /* duration of the segment */
1110     mtime_t                 i_duration;
1111     mtime_t                 i_start_time;
1112
1113     /* all tracks */
1114     std::vector<mkv_track_t*> tracks;
1115
1116     /* from seekhead */
1117     int64_t                 i_cues_position;
1118     int64_t                 i_chapters_position;
1119     int64_t                 i_tags_position;
1120
1121     KaxCluster              *cluster;
1122     uint64                  i_block_pos;
1123     uint64                  i_cluster_pos;
1124     int64_t                 i_start_pos;
1125     KaxSegmentUID           *p_segment_uid;
1126     KaxPrevUID              *p_prev_segment_uid;
1127     KaxNextUID              *p_next_segment_uid;
1128
1129     vlc_bool_t              b_cues;
1130     int                     i_index;
1131     int                     i_index_max;
1132     mkv_index_t             *p_indexes;
1133
1134     /* info */
1135     char                    *psz_muxing_application;
1136     char                    *psz_writing_application;
1137     char                    *psz_segment_filename;
1138     char                    *psz_title;
1139     char                    *psz_date_utc;
1140
1141     /* !!!!! GCC 3.3 bug on Darwin !!!!! */
1142     /* when you remove this variable the compiler issues an atomicity error */
1143     /* this variable only works when using std::vector<chapter_edition_c> */
1144     std::vector<chapter_edition_c*> stored_editions;
1145     int                             i_default_edition;
1146
1147     std::vector<chapter_translation_c*> translations;
1148     std::vector<KaxSegmentFamily*>  families;
1149
1150     demux_sys_t                    & sys;
1151     EbmlParser                     *ep;
1152     bool                           b_preloaded;
1153
1154     bool Preload( );
1155     bool PreloadFamily( const matroska_segment_c & segment );
1156     void ParseInfo( KaxInfo *info );
1157     void ParseAttachments( KaxAttachments *attachments );
1158     void ParseChapters( KaxChapters *chapters );
1159     void ParseSeekHead( KaxSeekHead *seekhead );
1160     void ParseTracks( KaxTracks *tracks );
1161     void ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters );
1162     void ParseTrackEntry( KaxTrackEntry *m );
1163     void ParseCluster( );
1164     void IndexAppendCluster( KaxCluster *cluster );
1165     void LoadCues( );
1166     void LoadTags( );
1167     void InformationCreate( );
1168     void Seek( mtime_t i_date, mtime_t i_time_offset );
1169 #if LIBMATROSKA_VERSION >= 0x000800
1170     int BlockGet( KaxBlock * &, KaxSimpleBlock * &, int64_t *, int64_t *, int64_t *);
1171 #else
1172     int BlockGet( KaxBlock * &, int64_t *, int64_t *, int64_t *);
1173 #endif
1174     bool Select( mtime_t i_start_time );
1175     void UnSelect( );
1176
1177     static bool CompareSegmentUIDs( const matroska_segment_c * item_a, const matroska_segment_c * item_b );
1178 };
1179
1180 // class holding hard-linked segment together in the playback order
1181 class virtual_segment_c
1182 {
1183 public:
1184     virtual_segment_c( matroska_segment_c *p_segment )
1185         :p_editions(NULL)
1186         ,i_sys_title(0)
1187         ,i_current_segment(0)
1188         ,i_current_edition(-1)
1189         ,psz_current_chapter(NULL)
1190     {
1191         linked_segments.push_back( p_segment );
1192
1193         AppendUID( p_segment->p_segment_uid );
1194         AppendUID( p_segment->p_prev_segment_uid );
1195         AppendUID( p_segment->p_next_segment_uid );
1196     }
1197
1198     void Sort();
1199     size_t AddSegment( matroska_segment_c *p_segment );
1200     void PreloadLinked( );
1201     mtime_t Duration( ) const;
1202     void LoadCues( );
1203     void Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter );
1204
1205     inline chapter_edition_c *Edition()
1206     {
1207         if ( i_current_edition >= 0 && size_t(i_current_edition) < p_editions->size() )
1208             return (*p_editions)[i_current_edition];
1209         return NULL;
1210     }
1211
1212     matroska_segment_c * Segment() const
1213     {
1214         if ( linked_segments.size() == 0 || i_current_segment >= linked_segments.size() )
1215             return NULL;
1216         return linked_segments[i_current_segment];
1217     }
1218
1219     inline chapter_item_c *CurrentChapter() {
1220         return psz_current_chapter;
1221     }
1222
1223     bool SelectNext()
1224     {
1225         if ( i_current_segment < linked_segments.size()-1 )
1226         {
1227             i_current_segment++;
1228             return true;
1229         }
1230         return false;
1231     }
1232
1233     bool FindUID( KaxSegmentUID & uid ) const
1234     {
1235         for ( size_t i=0; i<linked_uids.size(); i++ )
1236         {
1237             if ( linked_uids[i] == uid )
1238                 return true;
1239         }
1240         return false;
1241     }
1242
1243     bool UpdateCurrentToChapter( demux_t & demux );
1244     void PrepareChapters( );
1245
1246     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
1247                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
1248                                         const void *p_cookie,
1249                                         size_t i_cookie_size );
1250     chapter_item_c *FindChapter( int64_t i_find_uid );
1251
1252     std::vector<chapter_edition_c*>  *p_editions;
1253     int                              i_sys_title;
1254
1255 protected:
1256     std::vector<matroska_segment_c*> linked_segments;
1257     std::vector<KaxSegmentUID>       linked_uids;
1258     size_t                           i_current_segment;
1259
1260     int                              i_current_edition;
1261     chapter_item_c                   *psz_current_chapter;
1262
1263     void                             AppendUID( const EbmlBinary * UID );
1264 };
1265
1266 class matroska_stream_c
1267 {
1268 public:
1269     matroska_stream_c( demux_sys_t & demuxer )
1270         :p_in(NULL)
1271         ,p_es(NULL)
1272         ,sys(demuxer)
1273     {}
1274
1275     virtual ~matroska_stream_c()
1276     {
1277         delete p_in;
1278         delete p_es;
1279     }
1280
1281     IOCallback         *p_in;
1282     EbmlStream         *p_es;
1283
1284     std::vector<matroska_segment_c*> segments;
1285
1286     demux_sys_t                      & sys;
1287 };
1288
1289 typedef struct
1290 {
1291     VLC_COMMON_MEMBERS
1292
1293     demux_t        *p_demux;
1294     vlc_mutex_t     lock;
1295
1296     vlc_bool_t      b_moved;
1297     vlc_bool_t      b_clicked;
1298     vlc_bool_t      b_key;
1299
1300 } event_thread_t;
1301
1302
1303 class attachment_c
1304 {
1305 public:
1306     attachment_c()
1307         :p_data(NULL)
1308         ,i_size(0)
1309     {}
1310     virtual ~attachment_c()
1311     {
1312         if( p_data ) free( p_data );
1313     }
1314
1315     std::string    psz_file_name;
1316     std::string    psz_mime_type;
1317     void          *p_data;
1318     int            i_size;
1319 };
1320
1321 class demux_sys_t
1322 {
1323 public:
1324     demux_sys_t( demux_t & demux )
1325         :demuxer(demux)
1326         ,i_pts(0)
1327         ,i_start_pts(0)
1328         ,i_chapter_time(0)
1329         ,meta(NULL)
1330         ,i_current_title(0)
1331         ,p_current_segment(NULL)
1332         ,dvd_interpretor( *this )
1333         ,f_duration(-1.0)
1334         ,b_ui_hooked(false)
1335         ,p_input(NULL)
1336         ,b_pci_packet_set(false)
1337         ,p_ev(NULL)
1338     {
1339         vlc_mutex_init( &demuxer, &lock_demuxer );
1340     }
1341
1342     virtual ~demux_sys_t()
1343     {
1344         StopUiThread();
1345         size_t i;
1346         for ( i=0; i<streams.size(); i++ )
1347             delete streams[i];
1348         for ( i=0; i<opened_segments.size(); i++ )
1349             delete opened_segments[i];
1350         for ( i=0; i<used_segments.size(); i++ )
1351             delete used_segments[i];
1352         for ( i=0; i<stored_attachments.size(); i++ )
1353             delete stored_attachments[i];
1354         if( meta ) vlc_meta_Delete( meta );
1355
1356         while( titles.size() )
1357         { vlc_input_title_Delete( titles.back() ); titles.pop_back();}
1358
1359         vlc_mutex_destroy( &lock_demuxer );
1360     }
1361
1362     /* current data */
1363     demux_t                 & demuxer;
1364
1365     mtime_t                 i_pts;
1366     mtime_t                 i_start_pts;
1367     mtime_t                 i_chapter_time;
1368
1369     vlc_meta_t              *meta;
1370
1371     std::vector<input_title_t*>      titles; // matroska editions
1372     size_t                           i_current_title;
1373
1374     std::vector<matroska_stream_c*>  streams;
1375     std::vector<attachment_c*>       stored_attachments;
1376     std::vector<matroska_segment_c*> opened_segments;
1377     std::vector<virtual_segment_c*>  used_segments;
1378     virtual_segment_c                *p_current_segment;
1379
1380     dvd_command_interpretor_c        dvd_interpretor;
1381
1382     /* duration of the stream */
1383     float                   f_duration;
1384
1385     matroska_segment_c *FindSegment( const EbmlBinary & uid ) const;
1386     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
1387                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
1388                                         const void *p_cookie,
1389                                         size_t i_cookie_size,
1390                                         virtual_segment_c * & p_segment_found );
1391     chapter_item_c *FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found );
1392
1393     void PreloadFamily( const matroska_segment_c & of_segment );
1394     void PreloadLinked( matroska_segment_c *p_segment );
1395     bool PreparePlayback( virtual_segment_c *p_new_segment );
1396     matroska_stream_c *AnalyseAllSegmentsFound( demux_t *p_demux, EbmlStream *p_estream, bool b_initial = false );
1397     void JumpTo( virtual_segment_c & p_segment, chapter_item_c * p_chapter );
1398
1399     void StartUiThread();
1400     void StopUiThread();
1401     bool b_ui_hooked;
1402     inline void SwapButtons();
1403
1404     /* for spu variables */
1405     input_thread_t *p_input;
1406     pci_t          pci_packet;
1407     bool           b_pci_packet_set;
1408     uint8_t        palette[4][4];
1409     vlc_mutex_t    lock_demuxer;
1410
1411     /* event */
1412     event_thread_t *p_ev;
1413     static int EventThread( vlc_object_t *p_this );
1414     static int EventMouse( vlc_object_t *p_this, char const *psz_var,
1415                        vlc_value_t oldval, vlc_value_t newval, void *p_data );
1416     static int EventKey( vlc_object_t *p_this, char const *psz_var,
1417                      vlc_value_t oldval, vlc_value_t newval, void *p_data );
1418
1419
1420
1421 protected:
1422     virtual_segment_c *VirtualFromSegments( matroska_segment_c *p_segment ) const;
1423     bool IsUsedSegment( matroska_segment_c &p_segment ) const;
1424 };
1425
1426 static int  Demux  ( demux_t * );
1427 static int  Control( demux_t *, int, va_list );
1428 static void Seek   ( demux_t *, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter );
1429
1430 #define MKV_IS_ID( el, C ) ( EbmlId( (*el) ) == C::ClassInfos.GlobalId )
1431
1432 static inline char * ToUTF8( const UTFstring &u )
1433 {
1434     return strdup( u.GetUTF8().c_str() );
1435 }
1436
1437 /*****************************************************************************
1438  * Open: initializes matroska demux structures
1439  *****************************************************************************/
1440 static int Open( vlc_object_t * p_this )
1441 {
1442     demux_t            *p_demux = (demux_t*)p_this;
1443     demux_sys_t        *p_sys;
1444     matroska_stream_c  *p_stream;
1445     matroska_segment_c *p_segment;
1446     const uint8_t      *p_peek;
1447     std::string         s_path, s_filename;
1448     vlc_stream_io_callback *p_io_callback;
1449     EbmlStream         *p_io_stream;
1450
1451     /* peek the begining */
1452     if( stream_Peek( p_demux->s, &p_peek, 4 ) < 4 ) return VLC_EGENERIC;
1453
1454     /* is a valid file */
1455     if( p_peek[0] != 0x1a || p_peek[1] != 0x45 ||
1456         p_peek[2] != 0xdf || p_peek[3] != 0xa3 ) return VLC_EGENERIC;
1457
1458     /* Set the demux function */
1459     p_demux->pf_demux   = Demux;
1460     p_demux->pf_control = Control;
1461     p_demux->p_sys      = p_sys = new demux_sys_t( *p_demux );
1462
1463     p_io_callback = new vlc_stream_io_callback( p_demux->s, VLC_FALSE );
1464     p_io_stream = new EbmlStream( *p_io_callback );
1465
1466     if( p_io_stream == NULL )
1467     {
1468         msg_Err( p_demux, "failed to create EbmlStream" );
1469         delete p_io_callback;
1470         delete p_sys;
1471         return VLC_EGENERIC;
1472     }
1473
1474     p_stream = p_sys->AnalyseAllSegmentsFound( p_demux, p_io_stream, true );
1475     if( p_stream == NULL )
1476     {
1477         msg_Err( p_demux, "cannot find KaxSegment" );
1478         goto error;
1479     }
1480     p_sys->streams.push_back( p_stream );
1481
1482     p_stream->p_in = p_io_callback;
1483     p_stream->p_es = p_io_stream;
1484
1485     for (size_t i=0; i<p_stream->segments.size(); i++)
1486     {
1487         p_stream->segments[i]->Preload();
1488     }
1489
1490     p_segment = p_stream->segments[0];
1491     if( p_segment->cluster != NULL )
1492     {
1493         msg_Warn( p_demux, "cannot find any cluster, damaged file ?" );
1494
1495         // reset the stream reading to the first cluster of the segment used
1496         p_stream->p_in->setFilePointer( p_segment->cluster->GetElementPosition() );
1497     }
1498
1499     if (config_GetInt( p_demux, "mkv-preload-local-dir" ))
1500     {
1501         /* get the files from the same dir from the same family (based on p_demux->psz_path) */
1502         if (p_demux->psz_path[0] != '\0' && !strcmp(p_demux->psz_access, ""))
1503         {
1504             // assume it's a regular file
1505             // get the directory path
1506             s_path = p_demux->psz_path;
1507             if (s_path.at(s_path.length() - 1) == DIRECTORY_SEPARATOR)
1508             {
1509                 s_path = s_path.substr(0,s_path.length()-1);
1510             }
1511             else
1512             {
1513                 if (s_path.find_last_of(DIRECTORY_SEPARATOR) > 0)
1514                 {
1515                     s_path = s_path.substr(0,s_path.find_last_of(DIRECTORY_SEPARATOR));
1516                 }
1517             }
1518
1519             DIR *p_src_dir = utf8_opendir(s_path.c_str());
1520
1521             if (p_src_dir != NULL)
1522             {
1523                 char *psz_file;
1524                 while ((psz_file = utf8_readdir(p_src_dir)) != NULL)
1525                 {
1526                     if (strlen(psz_file) > 4)
1527                     {
1528                         s_filename = s_path + DIRECTORY_SEPARATOR + psz_file;
1529
1530 #ifdef WIN32
1531                         if (!strcasecmp(s_filename.c_str(), p_demux->psz_path))
1532 #else
1533                         if (!s_filename.compare(p_demux->psz_path))
1534 #endif
1535                         {
1536                             free (psz_file);
1537                             continue; // don't reuse the original opened file
1538                         }
1539
1540 #if defined(__GNUC__) && (__GNUC__ < 3)
1541                         if (!s_filename.compare("mkv", s_filename.length() - 3, 3) ||
1542                             !s_filename.compare("mka", s_filename.length() - 3, 3))
1543 #else
1544                         if (!s_filename.compare(s_filename.length() - 3, 3, "mkv") ||
1545                             !s_filename.compare(s_filename.length() - 3, 3, "mka"))
1546 #endif
1547                         {
1548                             // test wether this file belongs to our family
1549                             const uint8_t *p_peek;
1550                             bool          file_ok = false;
1551                             stream_t      *p_file_stream = stream_UrlNew(
1552                                                             p_demux,
1553                                                             s_filename.c_str());
1554                             /* peek the begining */
1555                             if( p_file_stream &&
1556                                 stream_Peek( p_file_stream, &p_peek, 4 ) >= 4
1557                                 && p_peek[0] == 0x1a && p_peek[1] == 0x45 &&
1558                                 p_peek[2] == 0xdf && p_peek[3] == 0xa3 ) file_ok = true;
1559
1560                             if ( file_ok )
1561                             {
1562                                 vlc_stream_io_callback *p_file_io = new vlc_stream_io_callback( p_file_stream, VLC_TRUE );
1563                                 EbmlStream *p_estream = new EbmlStream(*p_file_io);
1564
1565                                 p_stream = p_sys->AnalyseAllSegmentsFound( p_demux, p_estream );
1566
1567                                 if ( p_stream == NULL )
1568                                 {
1569                                     msg_Dbg( p_demux, "the file '%s' will not be used", s_filename.c_str() );
1570                                     delete p_estream;
1571                                     delete p_file_io;
1572                                 }
1573                                 else
1574                                 {
1575                                     p_stream->p_in = p_file_io;
1576                                     p_stream->p_es = p_estream;
1577                                     p_sys->streams.push_back( p_stream );
1578                                 }
1579                             }
1580                             else
1581                             {
1582                                 if( p_file_stream ) {
1583                                     stream_Delete( p_file_stream );
1584                                 }
1585                                 msg_Dbg( p_demux, "the file '%s' cannot be opened", s_filename.c_str() );
1586                             }
1587                         }
1588                     }
1589                     free (psz_file);
1590                 }
1591                 closedir( p_src_dir );
1592             }
1593         }
1594
1595         p_sys->PreloadFamily( *p_segment );
1596     }
1597
1598     p_sys->PreloadLinked( p_segment );
1599
1600     if ( !p_sys->PreparePlayback( NULL ) )
1601     {
1602         msg_Err( p_demux, "cannot use the segment" );
1603         goto error;
1604     }
1605
1606     p_sys->StartUiThread();
1607
1608     return VLC_SUCCESS;
1609
1610 error:
1611     delete p_sys;
1612     return VLC_EGENERIC;
1613 }
1614
1615 /*****************************************************************************
1616  * Close: frees unused data
1617  *****************************************************************************/
1618 static void Close( vlc_object_t *p_this )
1619 {
1620     demux_t     *p_demux = (demux_t*)p_this;
1621     demux_sys_t *p_sys   = p_demux->p_sys;
1622
1623     delete p_sys;
1624 }
1625
1626 /*****************************************************************************
1627  * Control:
1628  *****************************************************************************/
1629 static int Control( demux_t *p_demux, int i_query, va_list args )
1630 {
1631     demux_sys_t        *p_sys = p_demux->p_sys;
1632     int64_t     *pi64;
1633     double      *pf, f;
1634     int         i_skp;
1635     size_t      i_idx;
1636
1637     vlc_meta_t *p_meta;
1638     input_attachment_t ***ppp_attach;
1639     int *pi_int;
1640     int i;
1641
1642     switch( i_query )
1643     {
1644         case DEMUX_GET_ATTACHMENTS:
1645             ppp_attach = (input_attachment_t***)va_arg( args, input_attachment_t*** );
1646             pi_int = (int*)va_arg( args, int * );
1647
1648             if( p_sys->stored_attachments.size() <= 0 )
1649                 return VLC_EGENERIC;
1650
1651             *pi_int = p_sys->stored_attachments.size();
1652             *ppp_attach = (input_attachment_t**)malloc( sizeof(input_attachment_t**) *
1653                                                         p_sys->stored_attachments.size() );
1654             if( !(*ppp_attach) )
1655                 return VLC_ENOMEM;
1656             for( i = 0; i < p_sys->stored_attachments.size(); i++ )
1657             {
1658                 attachment_c *a = p_sys->stored_attachments[i];
1659                 (*ppp_attach)[i] = vlc_input_attachment_New( a->psz_file_name.c_str(), a->psz_mime_type.c_str(), NULL,
1660                                                              a->p_data, a->i_size );
1661             }
1662             return VLC_SUCCESS;
1663
1664         case DEMUX_GET_META:
1665             p_meta = (vlc_meta_t*)va_arg( args, vlc_meta_t* );
1666             vlc_meta_Merge( p_meta, p_sys->meta );
1667             return VLC_SUCCESS;
1668
1669         case DEMUX_GET_LENGTH:
1670             pi64 = (int64_t*)va_arg( args, int64_t * );
1671             if( p_sys->f_duration > 0.0 )
1672             {
1673                 *pi64 = (int64_t)(p_sys->f_duration * 1000);
1674                 return VLC_SUCCESS;
1675             }
1676             return VLC_EGENERIC;
1677
1678         case DEMUX_GET_POSITION:
1679             pf = (double*)va_arg( args, double * );
1680             if ( p_sys->f_duration > 0.0 )
1681                 *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);
1682             return VLC_SUCCESS;
1683
1684         case DEMUX_SET_POSITION:
1685             f = (double)va_arg( args, double );
1686             Seek( p_demux, -1, f, NULL );
1687             return VLC_SUCCESS;
1688
1689         case DEMUX_GET_TIME:
1690             pi64 = (int64_t*)va_arg( args, int64_t * );
1691             *pi64 = p_sys->i_pts;
1692             return VLC_SUCCESS;
1693
1694         case DEMUX_GET_TITLE_INFO:
1695             if( p_sys->titles.size() )
1696             {
1697                 input_title_t ***ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
1698                 int *pi_int    = (int*)va_arg( args, int* );
1699
1700                 *pi_int = p_sys->titles.size();
1701                 *ppp_title = (input_title_t**)malloc( sizeof( input_title_t**) * p_sys->titles.size() );
1702
1703                 for( size_t i = 0; i < p_sys->titles.size(); i++ )
1704                 {
1705                     (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->titles[i] );
1706                 }
1707
1708                 return VLC_SUCCESS;
1709             }
1710             return VLC_EGENERIC;
1711
1712         case DEMUX_SET_TITLE:
1713             /* TODO handle editions as titles */
1714             i_idx = (int)va_arg( args, int );
1715             if( i_idx < p_sys->used_segments.size() )
1716             {
1717                 p_sys->JumpTo( *p_sys->used_segments[i_idx], NULL );
1718                 return VLC_SUCCESS;
1719             }
1720             return VLC_EGENERIC;
1721
1722         case DEMUX_SET_SEEKPOINT:
1723             i_skp = (int)va_arg( args, int );
1724
1725             // TODO change the way it works with the << & >> buttons on the UI (+1/-1 instead of a number)
1726             if( p_sys->titles.size() && i_skp < p_sys->titles[p_sys->i_current_title]->i_seekpoint)
1727             {
1728                 Seek( p_demux, (int64_t)p_sys->titles[p_sys->i_current_title]->seekpoint[i_skp]->i_time_offset, -1, NULL);
1729                 p_demux->info.i_seekpoint |= INPUT_UPDATE_SEEKPOINT;
1730                 p_demux->info.i_seekpoint = i_skp;
1731                 return VLC_SUCCESS;
1732             }
1733             return VLC_EGENERIC;
1734
1735         case DEMUX_SET_TIME:
1736         case DEMUX_GET_FPS:
1737         default:
1738             return VLC_EGENERIC;
1739     }
1740 }
1741
1742 #if LIBMATROSKA_VERSION >= 0x000800
1743 int matroska_segment_c::BlockGet( KaxBlock * & pp_block, KaxSimpleBlock * & pp_simpleblock, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration )
1744 #else
1745 int matroska_segment_c::BlockGet( KaxBlock * & pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration )
1746 #endif
1747 {
1748 #if LIBMATROSKA_VERSION >= 0x000800
1749     pp_simpleblock = NULL;
1750 #endif
1751     pp_block = NULL;
1752     *pi_ref1  = 0;
1753     *pi_ref2  = 0;
1754
1755     for( ;; )
1756     {
1757         EbmlElement *el = NULL;
1758         int         i_level;
1759
1760         if ( ep == NULL )
1761             return VLC_EGENERIC;
1762
1763 #if LIBMATROSKA_VERSION >= 0x000800
1764         if( pp_simpleblock != NULL || ((el = ep->Get()) == NULL && pp_block != NULL) )
1765 #else
1766         if( (el = ep->Get()) == NULL && pp_block != NULL )
1767 #endif
1768         {
1769             /* update the index */
1770 #define idx p_indexes[i_index - 1]
1771             if( i_index > 0 && idx.i_time == -1 )
1772             {
1773 #if LIBMATROSKA_VERSION >= 0x000800
1774                 if ( pp_simpleblock != NULL )
1775                     idx.i_time        = pp_simpleblock->GlobalTimecode() / (mtime_t)1000;
1776                 else
1777 #endif
1778                     idx.i_time        = (*pp_block).GlobalTimecode() / (mtime_t)1000;
1779                 idx.b_key         = *pi_ref1 == 0 ? VLC_TRUE : VLC_FALSE;
1780             }
1781 #undef idx
1782             return VLC_SUCCESS;
1783         }
1784
1785         i_level = ep->GetLevel();
1786
1787         if( el == NULL )
1788         {
1789             if( i_level > 1 )
1790             {
1791                 ep->Up();
1792                 continue;
1793             }
1794             msg_Warn( &sys.demuxer, "EOF" );
1795             return VLC_EGENERIC;
1796         }
1797
1798         /* do parsing */
1799         switch ( i_level )
1800         {
1801         case 1:
1802             if( MKV_IS_ID( el, KaxCluster ) )
1803             {
1804                 cluster = (KaxCluster*)el;
1805                 i_cluster_pos = cluster->GetElementPosition();
1806
1807                 /* add it to the index */
1808                 if( i_index == 0 ||
1809                     ( i_index > 0 && p_indexes[i_index - 1].i_position < (int64_t)cluster->GetElementPosition() ) )
1810                 {
1811                     IndexAppendCluster( cluster );
1812                 }
1813
1814                 // reset silent tracks
1815                 for (size_t i=0; i<tracks.size(); i++)
1816                 {
1817                     tracks[i]->b_silent = VLC_FALSE;
1818                 }
1819
1820                 ep->Down();
1821             }
1822             else if( MKV_IS_ID( el, KaxCues ) )
1823             {
1824                 msg_Warn( &sys.demuxer, "find KaxCues FIXME" );
1825                 return VLC_EGENERIC;
1826             }
1827             else
1828             {
1829                 msg_Dbg( &sys.demuxer, "unknown (%s)", typeid( el ).name() );
1830             }
1831             break;
1832         case 2:
1833             if( MKV_IS_ID( el, KaxClusterTimecode ) )
1834             {
1835                 KaxClusterTimecode &ctc = *(KaxClusterTimecode*)el;
1836
1837                 ctc.ReadData( es.I_O(), SCOPE_ALL_DATA );
1838                 cluster->InitTimecode( uint64( ctc ), i_timescale );
1839             }
1840             else if( MKV_IS_ID( el, KaxClusterSilentTracks ) )
1841             {
1842                 ep->Down();
1843             }
1844             else if( MKV_IS_ID( el, KaxBlockGroup ) )
1845             {
1846                 i_block_pos = el->GetElementPosition();
1847                 ep->Down();
1848             }
1849 #if LIBMATROSKA_VERSION >= 0x000800
1850             else if( MKV_IS_ID( el, KaxSimpleBlock ) )
1851             {
1852                 pp_simpleblock = (KaxSimpleBlock*)el;
1853
1854                 pp_simpleblock->ReadData( es.I_O() );
1855                 pp_simpleblock->SetParent( *cluster );
1856             }
1857 #endif
1858             break;
1859         case 3:
1860             if( MKV_IS_ID( el, KaxBlock ) )
1861             {
1862                 pp_block = (KaxBlock*)el;
1863
1864                 pp_block->ReadData( es.I_O() );
1865                 pp_block->SetParent( *cluster );
1866
1867                 ep->Keep();
1868             }
1869             else if( MKV_IS_ID( el, KaxBlockDuration ) )
1870             {
1871                 KaxBlockDuration &dur = *(KaxBlockDuration*)el;
1872
1873                 dur.ReadData( es.I_O() );
1874                 *pi_duration = uint64( dur );
1875             }
1876             else if( MKV_IS_ID( el, KaxReferenceBlock ) )
1877             {
1878                 KaxReferenceBlock &ref = *(KaxReferenceBlock*)el;
1879
1880                 ref.ReadData( es.I_O() );
1881                 if( *pi_ref1 == 0 )
1882                 {
1883                     *pi_ref1 = int64( ref ) * cluster->GlobalTimecodeScale();
1884                 }
1885                 else if( *pi_ref2 == 0 )
1886                 {
1887                     *pi_ref2 = int64( ref ) * cluster->GlobalTimecodeScale();
1888                 }
1889             }
1890             else if( MKV_IS_ID( el, KaxClusterSilentTrackNumber ) )
1891             {
1892                 KaxClusterSilentTrackNumber &track_num = *(KaxClusterSilentTrackNumber*)el;
1893                 track_num.ReadData( es.I_O() );
1894                 // find the track
1895                 for (size_t i=0; i<tracks.size(); i++)
1896                 {
1897                     if ( tracks[i]->i_number == uint32(track_num))
1898                     {
1899                         tracks[i]->b_silent = VLC_TRUE;
1900                         break;
1901                     }
1902                 }
1903             }
1904             break;
1905         default:
1906             msg_Err( &sys.demuxer, "invalid level = %d", i_level );
1907             return VLC_EGENERIC;
1908         }
1909     }
1910 }
1911
1912 static block_t *MemToBlock( demux_t *p_demux, uint8_t *p_mem, int i_mem, size_t offset)
1913 {
1914     block_t *p_block;
1915     if( !(p_block = block_New( p_demux, i_mem + offset ) ) ) return NULL;
1916     memcpy( p_block->p_buffer + offset, p_mem, i_mem );
1917     //p_block->i_rate = p_input->stream.control.i_rate;
1918     return p_block;
1919 }
1920
1921 #if LIBMATROSKA_VERSION >= 0x000800
1922 static void BlockDecode( demux_t *p_demux, KaxBlock *block, KaxSimpleBlock *simpleblock,
1923                          mtime_t i_pts, mtime_t i_duration, bool f_mandatory )
1924 #else
1925 static void BlockDecode( demux_t *p_demux, KaxBlock *block, mtime_t i_pts,
1926                          mtime_t i_duration, bool f_mandatory )
1927 #endif
1928 {
1929     demux_sys_t        *p_sys = p_demux->p_sys;
1930     matroska_segment_c *p_segment = p_sys->p_current_segment->Segment();
1931
1932     size_t          i_track;
1933     unsigned int    i;
1934     vlc_bool_t      b;
1935
1936 #define tk  p_segment->tracks[i_track]
1937     for( i_track = 0; i_track < p_segment->tracks.size(); i_track++ )
1938     {
1939 #if LIBMATROSKA_VERSION >= 0x000800
1940         if( (block != NULL && tk->i_number == block->TrackNum()) ||
1941             (simpleblock != NULL && tk->i_number == simpleblock->TrackNum()))
1942 #else
1943         if( tk->i_number == block->TrackNum() )
1944 #endif
1945         {
1946             break;
1947         }
1948     }
1949
1950     if( i_track >= p_segment->tracks.size() )
1951     {
1952         msg_Err( p_demux, "invalid track number" );
1953         return;
1954     }
1955     if( tk->fmt.i_cat != NAV_ES && tk->p_es == NULL )
1956     {
1957         msg_Err( p_demux, "unknown track number" );
1958         return;
1959     }
1960     if( i_pts + i_duration < p_sys->i_start_pts && tk->fmt.i_cat == AUDIO_ES )
1961     {
1962         return; /* discard audio packets that shouldn't be rendered */
1963     }
1964
1965     if ( tk->fmt.i_cat != NAV_ES )
1966     {
1967         es_out_Control( p_demux->out, ES_OUT_GET_ES_STATE, tk->p_es, &b );
1968
1969         if( !b )
1970         {
1971             tk->b_inited = VLC_FALSE;
1972             return;
1973         }
1974     }
1975
1976
1977     /* First send init data */
1978     if( !tk->b_inited && tk->i_data_init > 0 )
1979     {
1980         block_t *p_init;
1981
1982         msg_Dbg( p_demux, "sending header (%d bytes)", tk->i_data_init );
1983         p_init = MemToBlock( p_demux, tk->p_data_init, tk->i_data_init, 0 );
1984         if( p_init ) es_out_Send( p_demux->out, tk->p_es, p_init );
1985     }
1986     tk->b_inited = VLC_TRUE;
1987
1988
1989 #if LIBMATROSKA_VERSION >= 0x000800
1990     for( i = 0;
1991         (block != NULL && i < block->NumberFrames()) || (simpleblock != NULL && i < simpleblock->NumberFrames());
1992         i++ )
1993 #else
1994     for( i = 0; i < block->NumberFrames(); i++ )
1995 #endif
1996     {
1997         block_t *p_block;
1998         DataBuffer *data;
1999 #if LIBMATROSKA_VERSION >= 0x000800
2000         if ( simpleblock != NULL )
2001         {
2002             data = &simpleblock->GetBuffer(i);
2003             // condition when the DTS is correct (keyframe or B frame == NOT P frame)
2004             f_mandatory = simpleblock->IsDiscardable() || simpleblock->IsKeyframe();
2005         }
2006         else
2007 #endif
2008         data = &block->GetBuffer(i);
2009
2010         if( tk->i_compression_type == MATROSKA_COMPRESSION_HEADER && tk->p_compression_data != NULL )
2011             p_block = MemToBlock( p_demux, data->Buffer(), data->Size(), tk->p_compression_data->GetSize() );
2012         else
2013             p_block = MemToBlock( p_demux, data->Buffer(), data->Size(), 0 );
2014
2015         if( p_block == NULL )
2016         {
2017             break;
2018         }
2019
2020 #if defined(HAVE_ZLIB_H)
2021         if( tk->i_compression_type == MATROSKA_COMPRESSION_ZLIB )
2022         {
2023             p_block = block_zlib_decompress( VLC_OBJECT(p_demux), p_block );
2024         }
2025         else
2026 #endif
2027         if( tk->i_compression_type == MATROSKA_COMPRESSION_HEADER )
2028         {
2029             memcpy( p_block->p_buffer, tk->p_compression_data->GetBuffer(), tk->p_compression_data->GetSize() );
2030         }
2031
2032         if ( tk->fmt.i_cat == NAV_ES )
2033         {
2034             // TODO handle the start/stop times of this packet
2035             if ( p_sys->b_ui_hooked )
2036             {
2037                 vlc_mutex_lock( &p_sys->p_ev->lock );
2038                 memcpy( &p_sys->pci_packet, &p_block->p_buffer[1], sizeof(pci_t) );
2039                 p_sys->SwapButtons();
2040                 p_sys->b_pci_packet_set = true;
2041                 vlc_mutex_unlock( &p_sys->p_ev->lock );
2042                 block_Release( p_block );
2043             }
2044             return;
2045         }
2046         // correct timestamping when B frames are used
2047         if( tk->fmt.i_cat != VIDEO_ES )
2048         {
2049             p_block->i_dts = p_block->i_pts = i_pts;
2050         }
2051         else
2052         {
2053             if( !strcmp( tk->psz_codec, "V_MS/VFW/FOURCC" ) )
2054             {
2055                 // in VFW we have no idea about B frames
2056                 p_block->i_pts = 0;
2057                 p_block->i_dts = i_pts;
2058             }
2059             else
2060             {
2061                 p_block->i_pts = i_pts;
2062                 if ( f_mandatory )
2063                     p_block->i_dts = p_block->i_pts;
2064                 else
2065                     p_block->i_dts = min( i_pts, tk->i_last_dts + (mtime_t)(tk->i_default_duration >> 10));
2066                 p_sys->i_pts = p_block->i_dts;
2067             }
2068         }
2069         tk->i_last_dts = p_block->i_dts;
2070
2071 #if 0
2072 msg_Dbg( p_demux, "block i_dts: "I64Fd" / i_pts: "I64Fd, p_block->i_dts, p_block->i_pts);
2073 #endif
2074         if( strcmp( tk->psz_codec, "S_VOBSUB" ) )
2075         {
2076             p_block->i_length = i_duration * 1000;
2077         }
2078
2079         es_out_Send( p_demux->out, tk->p_es, p_block );
2080
2081         /* use time stamp only for first block */
2082         i_pts = 0;
2083     }
2084
2085 #undef tk
2086 }
2087
2088 matroska_stream_c *demux_sys_t::AnalyseAllSegmentsFound( demux_t *p_demux, EbmlStream *p_estream, bool b_initial )
2089 {
2090     int i_upper_lvl = 0;
2091     size_t i;
2092     EbmlElement *p_l0, *p_l1, *p_l2;
2093     bool b_keep_stream = false, b_keep_segment;
2094
2095     // verify the EBML Header
2096     p_l0 = p_estream->FindNextID(EbmlHead::ClassInfos, 0xFFFFFFFFL);
2097     if (p_l0 == NULL)
2098     {
2099         msg_Err( p_demux, "No EBML header found" );
2100         return NULL;
2101     }
2102
2103     // verify we can read this Segment, we only support Matroska version 1 for now
2104     p_l0->Read(*p_estream, EbmlHead::ClassInfos.Context, i_upper_lvl, p_l0, true);
2105
2106     EDocType doc_type = GetChild<EDocType>(*static_cast<EbmlHead*>(p_l0));
2107     if (std::string(doc_type) != "matroska")
2108     {
2109         msg_Err( p_demux, "Not a Matroska file : DocType = %s ", std::string(doc_type).c_str());
2110         return NULL;
2111     }
2112
2113     EDocTypeReadVersion doc_read_version = GetChild<EDocTypeReadVersion>(*static_cast<EbmlHead*>(p_l0));
2114 #if LIBMATROSKA_VERSION >= 0x000800
2115     if (uint64(doc_read_version) > 2)
2116     {
2117         msg_Err( p_demux, "This matroska file is needs version "I64Fd" and this VLC only supports version 1 & 2", uint64(doc_read_version));
2118         return NULL;
2119     }
2120 #else
2121     if (uint64(doc_read_version) != 1)
2122     {
2123         msg_Err( p_demux, "This matroska file is needs version "I64Fd" and this VLC only supports version 1", uint64(doc_read_version));
2124         return NULL;
2125     }
2126 #endif
2127
2128     delete p_l0;
2129
2130
2131     // find all segments in this file
2132     p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFFLL);
2133     if (p_l0 == NULL)
2134     {
2135         return NULL;
2136     }
2137
2138     matroska_stream_c *p_stream1 = new matroska_stream_c( *this );
2139
2140     while (p_l0 != 0)
2141     {
2142         if (EbmlId(*p_l0) == KaxSegment::ClassInfos.GlobalId)
2143         {
2144             EbmlParser  *ep;
2145             matroska_segment_c *p_segment1 = new matroska_segment_c( *this, *p_estream );
2146             b_keep_segment = b_initial;
2147
2148             ep = new EbmlParser(p_estream, p_l0, &demuxer );
2149             p_segment1->ep = ep;
2150             p_segment1->segment = (KaxSegment*)p_l0;
2151
2152             while ((p_l1 = ep->Get()))
2153             {
2154                 if (MKV_IS_ID(p_l1, KaxInfo))
2155                 {
2156                     // find the families of this segment
2157                     KaxInfo *p_info = static_cast<KaxInfo*>(p_l1);
2158
2159                     p_info->Read(*p_estream, KaxInfo::ClassInfos.Context, i_upper_lvl, p_l2, true);
2160                     for( i = 0; i < p_info->ListSize(); i++ )
2161                     {
2162                         EbmlElement *l = (*p_info)[i];
2163
2164                         if( MKV_IS_ID( l, KaxSegmentUID ) )
2165                         {
2166                             KaxSegmentUID *p_uid = static_cast<KaxSegmentUID*>(l);
2167                             b_keep_segment = (FindSegment( *p_uid ) == NULL);
2168                             if ( !b_keep_segment )
2169                                 break; // this segment is already known
2170                             opened_segments.push_back( p_segment1 );
2171                             delete p_segment1->p_segment_uid;
2172                             p_segment1->p_segment_uid = new KaxSegmentUID(*p_uid);
2173                         }
2174                         else if( MKV_IS_ID( l, KaxPrevUID ) )
2175                         {
2176                             p_segment1->p_prev_segment_uid = new KaxPrevUID( *static_cast<KaxPrevUID*>(l) );
2177                         }
2178                         else if( MKV_IS_ID( l, KaxNextUID ) )
2179                         {
2180                             p_segment1->p_next_segment_uid = new KaxNextUID( *static_cast<KaxNextUID*>(l) );
2181                         }
2182                         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
2183                         {
2184                             KaxSegmentFamily *p_fam = new KaxSegmentFamily( *static_cast<KaxSegmentFamily*>(l) );
2185                             p_segment1->families.push_back( p_fam );
2186                         }
2187                     }
2188                     break;
2189                 }
2190             }
2191             if ( b_keep_segment )
2192             {
2193                 b_keep_stream = true;
2194                 p_stream1->segments.push_back( p_segment1 );
2195             }
2196             else
2197             {
2198                 p_segment1->segment = NULL;
2199                 delete p_segment1;
2200             }
2201         }
2202         if (p_l0->IsFiniteSize() )
2203         {
2204             p_l0->SkipData(*p_estream, KaxMatroska_Context);
2205             p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFL);
2206         }
2207         else
2208             p_l0 = p_l0->SkipData(*p_estream, KaxSegment_Context);
2209     }
2210
2211     if ( !b_keep_stream )
2212     {
2213         delete p_stream1;
2214         p_stream1 = NULL;
2215     }
2216
2217     return p_stream1;
2218 }
2219
2220 bool matroska_segment_c::Select( mtime_t i_start_time )
2221 {
2222     size_t i_track;
2223
2224     /* add all es */
2225     msg_Dbg( &sys.demuxer, "found %d es", (int)tracks.size() );
2226     sys.b_pci_packet_set = false;
2227
2228     for( i_track = 0; i_track < tracks.size(); i_track++ )
2229     {
2230         if( tracks[i_track]->fmt.i_cat == UNKNOWN_ES )
2231         {
2232             msg_Warn( &sys.demuxer, "invalid track[%d, n=%d]", (int)i_track, tracks[i_track]->i_number );
2233             tracks[i_track]->p_es = NULL;
2234             continue;
2235         }
2236
2237         if( !strcmp( tracks[i_track]->psz_codec, "V_MS/VFW/FOURCC" ) )
2238         {
2239             if( tracks[i_track]->i_extra_data < (int)sizeof( BITMAPINFOHEADER ) )
2240             {
2241                 msg_Err( &sys.demuxer, "missing/invalid BITMAPINFOHEADER" );
2242                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2243             }
2244             else
2245             {
2246                 BITMAPINFOHEADER *p_bih = (BITMAPINFOHEADER*)tracks[i_track]->p_extra_data;
2247
2248                 tracks[i_track]->fmt.video.i_width = GetDWLE( &p_bih->biWidth );
2249                 tracks[i_track]->fmt.video.i_height= GetDWLE( &p_bih->biHeight );
2250                 tracks[i_track]->fmt.i_codec       = GetFOURCC( &p_bih->biCompression );
2251
2252                 tracks[i_track]->fmt.i_extra       = GetDWLE( &p_bih->biSize ) - sizeof( BITMAPINFOHEADER );
2253                 if( tracks[i_track]->fmt.i_extra > 0 )
2254                 {
2255                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2256                     memcpy( tracks[i_track]->fmt.p_extra, &p_bih[1], tracks[i_track]->fmt.i_extra );
2257                 }
2258             }
2259         }
2260         else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG1" ) ||
2261                  !strcmp( tracks[i_track]->psz_codec, "V_MPEG2" ) )
2262         {
2263             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'v' );
2264         }
2265         else if( !strncmp( tracks[i_track]->psz_codec, "V_THEORA", 8 ) )
2266         {
2267             uint8_t *p_data = tracks[i_track]->p_extra_data;
2268             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 't', 'h', 'e', 'o' );
2269             if( tracks[i_track]->i_extra_data >= 4 ) {
2270                 if( p_data[0] == 2 ) {
2271                     int i = 1;
2272                     int i_size1 = 0, i_size2 = 0;
2273                     p_data++;
2274                     /* read size of first header packet */
2275                     while( *p_data == 0xFF &&
2276                            i < tracks[i_track]->i_extra_data )
2277                     {
2278                         i_size1 += *p_data;
2279                         p_data++;
2280                         i++;
2281                     }
2282                     i_size1 += *p_data;
2283                     p_data++;
2284                     i++;
2285                     msg_Dbg( &sys.demuxer, "first theora header size %d", i_size1 );
2286                     /* read size of second header packet */
2287                     while( *p_data == 0xFF &&
2288                            i < tracks[i_track]->i_extra_data )
2289                     {
2290                         i_size2 += *p_data;
2291                         p_data++;
2292                         i++;
2293                     }
2294                     i_size2 += *p_data;
2295                     p_data++;
2296                     i++;
2297                     int i_size3 = tracks[i_track]->i_extra_data - i - i_size1
2298                         - i_size2;
2299                     msg_Dbg( &sys.demuxer, "second theora header size %d", i_size2 );
2300                     msg_Dbg( &sys.demuxer, "third theora header size %d", i_size3 );
2301                     tracks[i_track]->fmt.i_extra = i_size1 + i_size2 + i_size3
2302                         + 6;
2303                     if( i_size1 > 0 && i_size2 > 0 && i_size3 > 0  ) {
2304                         tracks[i_track]->fmt.p_extra =
2305                             malloc( tracks[i_track]->fmt.i_extra );
2306                         uint8_t *p_out = (uint8_t*)tracks[i_track]->fmt.p_extra;
2307                         *p_out++ = (i_size1>>8) & 0xFF;
2308                         *p_out++ = i_size1 & 0xFF;
2309                         memcpy( p_out, p_data, i_size1 );
2310                         p_data += i_size1;
2311                         p_out += i_size1;
2312
2313                         *p_out++ = (i_size2>>8) & 0xFF;
2314                         *p_out++ = i_size2 & 0xFF;
2315                         memcpy( p_out, p_data, i_size2 );
2316                         p_data += i_size2;
2317                         p_out += i_size2;
2318
2319                         *p_out++ = (i_size3>>8) & 0xFF;
2320                         *p_out++ = i_size3 & 0xFF;
2321                         memcpy( p_out, p_data, i_size3 );
2322                         p_data += i_size3;
2323                         p_out += i_size3;
2324                     }
2325                     else
2326                     {
2327                         msg_Err( &sys.demuxer, "inconsistant theora extradata" );
2328                     }
2329                 }
2330                 else {
2331                     msg_Err( &sys.demuxer, "Wrong number of ogg packets with theora headers (%d)", p_data[0] + 1 );
2332                 }
2333             }
2334         }
2335         else if( !strncmp( tracks[i_track]->psz_codec, "V_MPEG4", 7 ) )
2336         {
2337             if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/MS/V3" ) )
2338             {
2339                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'D', 'I', 'V', '3' );
2340             }
2341             else if( !strncmp( tracks[i_track]->psz_codec, "V_MPEG4/ISO", 11 ) )
2342             {
2343                 /* A MPEG 4 codec, SP, ASP, AP or AVC */
2344                 if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/ISO/AVC" ) )
2345                     tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'v', 'c', '1' );
2346                 else
2347                     tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' );
2348                 tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2349                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2350                 memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2351             }
2352         }
2353         else if( !strcmp( tracks[i_track]->psz_codec, "V_QUICKTIME" ) )
2354         {
2355             MP4_Box_t *p_box = (MP4_Box_t*)malloc( sizeof( MP4_Box_t ) );
2356             stream_t *p_mp4_stream = stream_MemoryNew( VLC_OBJECT(&sys.demuxer),
2357                                                        tracks[i_track]->p_extra_data,
2358                                                        tracks[i_track]->i_extra_data,
2359                                                        VLC_FALSE );
2360             MP4_ReadBoxCommon( p_mp4_stream, p_box );
2361             MP4_ReadBox_sample_vide( p_mp4_stream, p_box );
2362             tracks[i_track]->fmt.i_codec = p_box->i_type;
2363             tracks[i_track]->fmt.video.i_width = p_box->data.p_sample_vide->i_width;
2364             tracks[i_track]->fmt.video.i_height = p_box->data.p_sample_vide->i_height;
2365             tracks[i_track]->fmt.i_extra = p_box->data.p_sample_vide->i_qt_image_description;
2366             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2367             memcpy( tracks[i_track]->fmt.p_extra, p_box->data.p_sample_vide->p_qt_image_description, tracks[i_track]->fmt.i_extra );
2368             MP4_FreeBox_sample_vide( p_box );
2369             stream_Delete( p_mp4_stream );
2370         }
2371         else if( !strcmp( tracks[i_track]->psz_codec, "A_MS/ACM" ) )
2372         {
2373             if( tracks[i_track]->i_extra_data < (int)sizeof( WAVEFORMATEX ) )
2374             {
2375                 msg_Err( &sys.demuxer, "missing/invalid WAVEFORMATEX" );
2376                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2377             }
2378             else
2379             {
2380                 WAVEFORMATEX *p_wf = (WAVEFORMATEX*)tracks[i_track]->p_extra_data;
2381
2382                 wf_tag_to_fourcc( GetWLE( &p_wf->wFormatTag ), &tracks[i_track]->fmt.i_codec, NULL );
2383
2384                 tracks[i_track]->fmt.audio.i_channels   = GetWLE( &p_wf->nChannels );
2385                 tracks[i_track]->fmt.audio.i_rate = GetDWLE( &p_wf->nSamplesPerSec );
2386                 tracks[i_track]->fmt.i_bitrate    = GetDWLE( &p_wf->nAvgBytesPerSec ) * 8;
2387                 tracks[i_track]->fmt.audio.i_blockalign = GetWLE( &p_wf->nBlockAlign );;
2388                 tracks[i_track]->fmt.audio.i_bitspersample = GetWLE( &p_wf->wBitsPerSample );
2389
2390                 tracks[i_track]->fmt.i_extra            = GetWLE( &p_wf->cbSize );
2391                 if( tracks[i_track]->fmt.i_extra > 0 )
2392                 {
2393                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2394                     memcpy( tracks[i_track]->fmt.p_extra, &p_wf[1], tracks[i_track]->fmt.i_extra );
2395                 }
2396             }
2397         }
2398         else if( !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L3" ) ||
2399                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L2" ) ||
2400                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L1" ) )
2401         {
2402             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' );
2403         }
2404         else if( !strcmp( tracks[i_track]->psz_codec, "A_AC3" ) )
2405         {
2406             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' );
2407         }
2408         else if( !strcmp( tracks[i_track]->psz_codec, "A_DTS" ) )
2409         {
2410             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'd', 't', 's', ' ' );
2411         }
2412         else if( !strcmp( tracks[i_track]->psz_codec, "A_FLAC" ) )
2413         {
2414             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'f', 'l', 'a', 'c' );
2415             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2416             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2417             memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2418         }
2419         else if( !strcmp( tracks[i_track]->psz_codec, "A_VORBIS" ) )
2420         {
2421             int i, i_offset = 1, i_size[3], i_extra;
2422             uint8_t *p_extra;
2423
2424             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'v', 'o', 'r', 'b' );
2425
2426             /* Split the 3 headers */
2427             if( tracks[i_track]->p_extra_data[0] != 0x02 )
2428                 msg_Err( &sys.demuxer, "invalid vorbis header" );
2429
2430             for( i = 0; i < 2; i++ )
2431             {
2432                 i_size[i] = 0;
2433                 while( i_offset < tracks[i_track]->i_extra_data )
2434                 {
2435                     i_size[i] += tracks[i_track]->p_extra_data[i_offset];
2436                     if( tracks[i_track]->p_extra_data[i_offset++] != 0xff ) break;
2437                 }
2438             }
2439
2440             i_size[0] = __MIN(i_size[0], tracks[i_track]->i_extra_data - i_offset);
2441             i_size[1] = __MIN(i_size[1], tracks[i_track]->i_extra_data -i_offset -i_size[0]);
2442             i_size[2] = tracks[i_track]->i_extra_data - i_offset - i_size[0] - i_size[1];
2443
2444             tracks[i_track]->fmt.i_extra = 3 * 2 + i_size[0] + i_size[1] + i_size[2];
2445             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2446             p_extra = (uint8_t *)tracks[i_track]->fmt.p_extra; i_extra = 0;
2447             for( i = 0; i < 3; i++ )
2448             {
2449                 *(p_extra++) = i_size[i] >> 8;
2450                 *(p_extra++) = i_size[i] & 0xFF;
2451                 memcpy( p_extra, tracks[i_track]->p_extra_data + i_offset + i_extra,
2452                         i_size[i] );
2453                 p_extra += i_size[i];
2454                 i_extra += i_size[i];
2455             }
2456         }
2457         else if( !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG2/", strlen( "A_AAC/MPEG2/" ) ) ||
2458                  !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG4/", strlen( "A_AAC/MPEG4/" ) ) )
2459         {
2460             int i_profile, i_srate, sbr = 0;
2461             static unsigned int i_sample_rates[] =
2462             {
2463                     96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050,
2464                         16000, 12000, 11025, 8000,  7350,  0,     0,     0
2465             };
2466
2467             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
2468             /* create data for faad (MP4DecSpecificDescrTag)*/
2469
2470             if( !strcmp( &tracks[i_track]->psz_codec[12], "MAIN" ) )
2471             {
2472                 i_profile = 0;
2473             }
2474             else if( !strcmp( &tracks[i_track]->psz_codec[12], "LC" ) )
2475             {
2476                 i_profile = 1;
2477             }
2478             else if( !strcmp( &tracks[i_track]->psz_codec[12], "SSR" ) )
2479             {
2480                 i_profile = 2;
2481             }
2482             else if( !strcmp( &tracks[i_track]->psz_codec[12], "LC/SBR" ) )
2483             {
2484                 i_profile = 1;
2485                 sbr = 1;
2486             }
2487             else
2488             {
2489                 i_profile = 3;
2490             }
2491
2492             for( i_srate = 0; i_srate < 13; i_srate++ )
2493             {
2494                 if( i_sample_rates[i_srate] == tracks[i_track]->i_original_rate )
2495                 {
2496                     break;
2497                 }
2498             }
2499             msg_Dbg( &sys.demuxer, "profile=%d srate=%d", i_profile, i_srate );
2500
2501             tracks[i_track]->fmt.i_extra = sbr ? 5 : 2;
2502             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2503             ((uint8_t*)tracks[i_track]->fmt.p_extra)[0] = ((i_profile + 1) << 3) | ((i_srate&0xe) >> 1);
2504             ((uint8_t*)tracks[i_track]->fmt.p_extra)[1] = ((i_srate & 0x1) << 7) | (tracks[i_track]->fmt.audio.i_channels << 3);
2505             if (sbr != 0)
2506             {
2507                 int syncExtensionType = 0x2B7;
2508                 int iDSRI;
2509                 for (iDSRI=0; iDSRI<13; iDSRI++)
2510                     if( i_sample_rates[iDSRI] == tracks[i_track]->fmt.audio.i_rate )
2511                         break;
2512                 ((uint8_t*)tracks[i_track]->fmt.p_extra)[2] = (syncExtensionType >> 3) & 0xFF;
2513                 ((uint8_t*)tracks[i_track]->fmt.p_extra)[3] = ((syncExtensionType & 0x7) << 5) | 5;
2514                 ((uint8_t*)tracks[i_track]->fmt.p_extra)[4] = ((1 & 0x1) << 7) | (iDSRI << 3);
2515             }
2516         }
2517         else if( !strcmp( tracks[i_track]->psz_codec, "A_AAC" ) )
2518         {
2519             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
2520             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2521             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2522             memcpy( tracks[i_track]->fmt.p_extra, tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2523         }
2524         else if( !strcmp( tracks[i_track]->psz_codec, "A_WAVPACK4" ) )
2525         {
2526             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'W', 'V', 'P', 'K' );
2527             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2528             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2529             memcpy( tracks[i_track]->fmt.p_extra, tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2530         }
2531         else if( !strcmp( tracks[i_track]->psz_codec, "A_TTA1" ) )
2532         {
2533             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'T', 'T', 'A', '1' );
2534             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2535             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2536             memcpy( tracks[i_track]->fmt.p_extra, tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2537         }
2538         else if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) ||
2539                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/LIT" ) ||
2540                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/FLOAT/IEEE" ) )
2541         {
2542             if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) )
2543             {
2544                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
2545             }
2546             else
2547             {
2548                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
2549             }
2550             tracks[i_track]->fmt.audio.i_blockalign = ( tracks[i_track]->fmt.audio.i_bitspersample + 7 ) / 8 * tracks[i_track]->fmt.audio.i_channels;
2551         }
2552         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/UTF8" ) )
2553         {
2554             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 'u', 'b', 't' );
2555             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2556         }
2557         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/USF" ) )
2558         {
2559             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 's', 'f', ' ' );
2560             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2561             if( tracks[i_track]->i_extra_data )
2562             {
2563                 tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2564                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2565                 memcpy( tracks[i_track]->fmt.p_extra, tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2566             }
2567         }
2568         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/SSA" ) ||
2569                  !strcmp( tracks[i_track]->psz_codec, "S_TEXT/ASS" ) ||
2570                  !strcmp( tracks[i_track]->psz_codec, "S_SSA" ) ||
2571                  !strcmp( tracks[i_track]->psz_codec, "S_ASS" ))
2572         {
2573             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 's', 'a', ' ' );
2574             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2575             if( tracks[i_track]->i_extra_data )
2576             {
2577                 tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2578                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2579                 memcpy( tracks[i_track]->fmt.p_extra, tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2580             }
2581         }
2582         else if( !strcmp( tracks[i_track]->psz_codec, "S_VOBSUB" ) )
2583         {
2584             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's','p','u',' ' );
2585             if( tracks[i_track]->i_extra_data )
2586             {
2587                 char *p_start;
2588                 char *p_buf = (char *)malloc( tracks[i_track]->i_extra_data + 1);
2589                 memcpy( p_buf, tracks[i_track]->p_extra_data , tracks[i_track]->i_extra_data );
2590                 p_buf[tracks[i_track]->i_extra_data] = '\0';
2591
2592                 p_start = strstr( p_buf, "size:" );
2593                 if( sscanf( p_start, "size: %dx%d",
2594                         &tracks[i_track]->fmt.subs.spu.i_original_frame_width, &tracks[i_track]->fmt.subs.spu.i_original_frame_height ) == 2 )
2595                 {
2596                     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 );
2597                 }
2598                 else
2599                 {
2600                     msg_Warn( &sys.demuxer, "reading original frame size for vobsub failed" );
2601                 }
2602                 free( p_buf );
2603             }
2604         }
2605         else if( !strcmp( tracks[i_track]->psz_codec, "B_VOBBTN" ) )
2606         {
2607             tracks[i_track]->fmt.i_cat = NAV_ES;
2608             continue;
2609         }
2610         else
2611         {
2612             msg_Err( &sys.demuxer, "unknow codec id=`%s'", tracks[i_track]->psz_codec );
2613             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2614         }
2615         if( tracks[i_track]->b_default )
2616         {
2617             tracks[i_track]->fmt.i_priority = 1000;
2618         }
2619
2620         tracks[i_track]->p_es = es_out_Add( sys.demuxer.out, &tracks[i_track]->fmt );
2621
2622         /* Turn on a subtitles track if it has been flagged as default -
2623          * but only do this if no subtitles track has already been engaged,
2624          * either by an earlier 'default track' (??) or by default
2625          * language choice behaviour.
2626          */
2627         if( tracks[i_track]->b_default )
2628         {
2629             es_out_Control( sys.demuxer.out,
2630                             ES_OUT_SET_DEFAULT,
2631                             tracks[i_track]->p_es );
2632         }
2633
2634         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_start_time );
2635     }
2636
2637     sys.i_start_pts = i_start_time;
2638     // reset the stream reading to the first cluster of the segment used
2639     es.I_O().setFilePointer( i_start_pos );
2640
2641     delete ep;
2642     ep = new EbmlParser( &es, segment, &sys.demuxer );
2643
2644     return true;
2645 }
2646
2647 void demux_sys_t::StartUiThread()
2648 {
2649     if ( !b_ui_hooked )
2650     {
2651         msg_Dbg( &demuxer, "Starting the UI Hook" );
2652         b_ui_hooked = true;
2653         /* FIXME hack hack hack hack FIXME */
2654         /* Get p_input and create variable */
2655         p_input = (input_thread_t *) vlc_object_find( &demuxer, VLC_OBJECT_INPUT, FIND_PARENT );
2656         var_Create( p_input, "x-start", VLC_VAR_INTEGER );
2657         var_Create( p_input, "y-start", VLC_VAR_INTEGER );
2658         var_Create( p_input, "x-end", VLC_VAR_INTEGER );
2659         var_Create( p_input, "y-end", VLC_VAR_INTEGER );
2660         var_Create( p_input, "color", VLC_VAR_ADDRESS );
2661         var_Create( p_input, "menu-palette", VLC_VAR_ADDRESS );
2662         var_Create( p_input, "highlight", VLC_VAR_BOOL );
2663         var_Create( p_input, "highlight-mutex", VLC_VAR_MUTEX );
2664
2665         /* Now create our event thread catcher */
2666         p_ev = (event_thread_t *) vlc_object_create( &demuxer, sizeof( event_thread_t ) );
2667         p_ev->p_demux = &demuxer;
2668         p_ev->b_die = VLC_FALSE;
2669         vlc_mutex_init( p_ev, &p_ev->lock );
2670         vlc_thread_create( p_ev, "mkv event thread handler", EventThread,
2671                         VLC_THREAD_PRIORITY_LOW, VLC_FALSE );
2672     }
2673 }
2674
2675 void demux_sys_t::StopUiThread()
2676 {
2677     if ( b_ui_hooked )
2678     {
2679         vlc_object_kill( p_ev );
2680         vlc_thread_join( p_ev );
2681         vlc_object_destroy( p_ev );
2682
2683         p_ev = NULL;
2684
2685         var_Destroy( p_input, "highlight-mutex" );
2686         var_Destroy( p_input, "highlight" );
2687         var_Destroy( p_input, "x-start" );
2688         var_Destroy( p_input, "x-end" );
2689         var_Destroy( p_input, "y-start" );
2690         var_Destroy( p_input, "y-end" );
2691         var_Destroy( p_input, "color" );
2692         var_Destroy( p_input, "menu-palette" );
2693
2694         vlc_object_release( p_input );
2695
2696         msg_Dbg( &demuxer, "Stopping the UI Hook" );
2697     }
2698     b_ui_hooked = false;
2699 }
2700
2701 int demux_sys_t::EventMouse( vlc_object_t *p_this, char const *psz_var,
2702                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
2703 {
2704     event_thread_t *p_ev = (event_thread_t *) p_data;
2705     vlc_mutex_lock( &p_ev->lock );
2706     if( psz_var[6] == 'c' )
2707     {
2708         p_ev->b_clicked = VLC_TRUE;
2709         msg_Dbg( p_this, "Event Mouse: clicked");
2710     }
2711     else if( psz_var[6] == 'm' )
2712         p_ev->b_moved = VLC_TRUE;
2713     vlc_mutex_unlock( &p_ev->lock );
2714
2715     return VLC_SUCCESS;
2716 }
2717
2718 int demux_sys_t::EventKey( vlc_object_t *p_this, char const *psz_var,
2719                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
2720 {
2721     event_thread_t *p_ev = (event_thread_t *) p_data;
2722     vlc_mutex_lock( &p_ev->lock );
2723     p_ev->b_key = VLC_TRUE;
2724     vlc_mutex_unlock( &p_ev->lock );
2725     msg_Dbg( p_this, "Event Key");
2726
2727     return VLC_SUCCESS;
2728 }
2729
2730 int demux_sys_t::EventThread( vlc_object_t *p_this )
2731 {
2732     event_thread_t *p_ev = (event_thread_t*)p_this;
2733     demux_sys_t    *p_sys = p_ev->p_demux->p_sys;
2734     vlc_object_t   *p_vout = NULL;
2735
2736     p_ev->b_moved   = VLC_FALSE;
2737     p_ev->b_clicked = VLC_FALSE;
2738     p_ev->b_key     = VLC_FALSE;
2739
2740     /* catch all key event */
2741     var_AddCallback( p_ev->p_libvlc, "key-pressed", EventKey, p_ev );
2742
2743     /* main loop */
2744     while( !p_ev->b_die )
2745     {
2746         if ( !p_sys->b_pci_packet_set )
2747         {
2748             /* Wait 100ms */
2749             msleep( 100000 );
2750             continue;
2751         }
2752
2753         vlc_bool_t b_activated = VLC_FALSE;
2754
2755         /* KEY part */
2756         if( p_ev->b_key )
2757         {
2758             vlc_value_t valk;
2759             struct libvlc_int_t::hotkey *p_hotkeys = p_ev->p_libvlc->p_hotkeys;
2760             int i, i_action = -1;
2761
2762             msg_Dbg( p_ev->p_demux, "Handle Key Event");
2763
2764             vlc_mutex_lock( &p_ev->lock );
2765
2766             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2767
2768             var_Get( p_ev->p_libvlc, "key-pressed", &valk );
2769             for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
2770             {
2771                 if( p_hotkeys[i].i_key == valk.i_int )
2772                 {
2773                     i_action = p_hotkeys[i].i_action;
2774                 }
2775             }
2776
2777             uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2778
2779             switch( i_action )
2780             {
2781             case ACTIONID_NAV_LEFT:
2782                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2783                 {
2784                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2785                     if ( p_button_ptr->left > 0 && p_button_ptr->left <= pci->hli.hl_gi.btn_ns )
2786                     {
2787                         i_curr_button = p_button_ptr->left;
2788                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2789                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2790                         if ( button_ptr.auto_action_mode )
2791                         {
2792                             vlc_mutex_unlock( &p_ev->lock );
2793                             vlc_mutex_lock( &p_sys->lock_demuxer );
2794
2795                             // process the button action
2796                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2797
2798                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2799                             vlc_mutex_lock( &p_ev->lock );
2800                         }
2801                     }
2802                 }
2803                 break;
2804             case ACTIONID_NAV_RIGHT:
2805                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2806                 {
2807                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2808                     if ( p_button_ptr->right > 0 && p_button_ptr->right <= pci->hli.hl_gi.btn_ns )
2809                     {
2810                         i_curr_button = p_button_ptr->right;
2811                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2812                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2813                         if ( button_ptr.auto_action_mode )
2814                         {
2815                             vlc_mutex_unlock( &p_ev->lock );
2816                             vlc_mutex_lock( &p_sys->lock_demuxer );
2817
2818                             // process the button action
2819                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2820
2821                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2822                             vlc_mutex_lock( &p_ev->lock );
2823                         }
2824                     }
2825                 }
2826                 break;
2827             case ACTIONID_NAV_UP:
2828                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2829                 {
2830                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2831                     if ( p_button_ptr->up > 0 && p_button_ptr->up <= pci->hli.hl_gi.btn_ns )
2832                     {
2833                         i_curr_button = p_button_ptr->up;
2834                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2835                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2836                         if ( button_ptr.auto_action_mode )
2837                         {
2838                             vlc_mutex_unlock( &p_ev->lock );
2839                             vlc_mutex_lock( &p_sys->lock_demuxer );
2840
2841                             // process the button action
2842                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2843
2844                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2845                             vlc_mutex_lock( &p_ev->lock );
2846                         }
2847                     }
2848                 }
2849                 break;
2850             case ACTIONID_NAV_DOWN:
2851                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2852                 {
2853                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2854                     if ( p_button_ptr->down > 0 && p_button_ptr->down <= pci->hli.hl_gi.btn_ns )
2855                     {
2856                         i_curr_button = p_button_ptr->down;
2857                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2858                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2859                         if ( button_ptr.auto_action_mode )
2860                         {
2861                             vlc_mutex_unlock( &p_ev->lock );
2862                             vlc_mutex_lock( &p_sys->lock_demuxer );
2863
2864                             // process the button action
2865                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2866
2867                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2868                             vlc_mutex_lock( &p_ev->lock );
2869                         }
2870                     }
2871                 }
2872                 break;
2873             case ACTIONID_NAV_ACTIVATE:
2874                 b_activated = VLC_TRUE;
2875
2876                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2877                 {
2878                     btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2879
2880                     vlc_mutex_unlock( &p_ev->lock );
2881                     vlc_mutex_lock( &p_sys->lock_demuxer );
2882
2883                     // process the button action
2884                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2885
2886                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2887                     vlc_mutex_lock( &p_ev->lock );
2888                 }
2889                 break;
2890             default:
2891                 break;
2892             }
2893             p_ev->b_key = VLC_FALSE;
2894             vlc_mutex_unlock( &p_ev->lock );
2895         }
2896
2897         /* MOUSE part */
2898         if( p_vout && ( p_ev->b_moved || p_ev->b_clicked ) )
2899         {
2900             vlc_value_t valx, valy;
2901
2902             vlc_mutex_lock( &p_ev->lock );
2903             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2904             var_Get( p_vout, "mouse-x", &valx );
2905             var_Get( p_vout, "mouse-y", &valy );
2906
2907             if( p_ev->b_clicked )
2908             {
2909                 int32_t button;
2910                 int32_t best,dist,d;
2911                 int32_t mx,my,dx,dy;
2912
2913                 msg_Dbg( p_ev->p_demux, "Handle Mouse Event: Mouse clicked x(%d)*y(%d)", (unsigned)valx.i_int, (unsigned)valy.i_int);
2914
2915                 b_activated = VLC_TRUE;
2916                 // get current button
2917                 best = 0;
2918                 dist = 0x08000000; /* >> than  (720*720)+(567*567); */
2919                 for(button = 1; button <= pci->hli.hl_gi.btn_ns; button++)
2920                 {
2921                     btni_t *button_ptr = &(pci->hli.btnit[button-1]);
2922
2923                     if(((unsigned)valx.i_int >= button_ptr->x_start)
2924                      && ((unsigned)valx.i_int <= button_ptr->x_end)
2925                      && ((unsigned)valy.i_int >= button_ptr->y_start)
2926                      && ((unsigned)valy.i_int <= button_ptr->y_end))
2927                     {
2928                         mx = (button_ptr->x_start + button_ptr->x_end)/2;
2929                         my = (button_ptr->y_start + button_ptr->y_end)/2;
2930                         dx = mx - valx.i_int;
2931                         dy = my - valy.i_int;
2932                         d = (dx*dx) + (dy*dy);
2933                         /* If the mouse is within the button and the mouse is closer
2934                         * to the center of this button then it is the best choice. */
2935                         if(d < dist) {
2936                             dist = d;
2937                             best = button;
2938                         }
2939                     }
2940                 }
2941
2942                 if ( best != 0)
2943                 {
2944                     btni_t button_ptr = pci->hli.btnit[best-1];
2945                     uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2946
2947                     msg_Dbg( &p_sys->demuxer, "Clicked button %d", best );
2948                     vlc_mutex_unlock( &p_ev->lock );
2949                     vlc_mutex_lock( &p_sys->lock_demuxer );
2950
2951                     // process the button action
2952                     p_sys->dvd_interpretor.SetSPRM( 0x88, best );
2953                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2954
2955                     msg_Dbg( &p_sys->demuxer, "Processed button %d", best );
2956
2957                     // select new button
2958                     if ( best != i_curr_button )
2959                     {
2960                         vlc_value_t val;
2961
2962                         if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
2963                         {
2964                             vlc_mutex_t *p_mutex = (vlc_mutex_t *) val.p_address;
2965                             uint32_t i_palette;
2966
2967                             if(button_ptr.btn_coln != 0) {
2968                                 i_palette = pci->hli.btn_colit.btn_coli[button_ptr.btn_coln-1][1];
2969                             } else {
2970                                 i_palette = 0;
2971                             }
2972
2973                             for( int i = 0; i < 4; i++ )
2974                             {
2975                                 uint32_t i_yuv = 0xFF;//p_sys->clut[(hl.palette>>(16+i*4))&0x0f];
2976                                 uint8_t i_alpha = (i_palette>>(i*4))&0x0f;
2977                                 i_alpha = i_alpha == 0xf ? 0xff : i_alpha << 4;
2978
2979                                 p_sys->palette[i][0] = (i_yuv >> 16) & 0xff;
2980                                 p_sys->palette[i][1] = (i_yuv >> 0) & 0xff;
2981                                 p_sys->palette[i][2] = (i_yuv >> 8) & 0xff;
2982                                 p_sys->palette[i][3] = i_alpha;
2983                             }
2984
2985                             vlc_mutex_lock( p_mutex );
2986                             val.i_int = button_ptr.x_start; var_Set( p_sys->p_input, "x-start", val );
2987                             val.i_int = button_ptr.x_end;   var_Set( p_sys->p_input, "x-end",   val );
2988                             val.i_int = button_ptr.y_start; var_Set( p_sys->p_input, "y-start", val );
2989                             val.i_int = button_ptr.y_end;   var_Set( p_sys->p_input, "y-end",   val );
2990
2991                             val.p_address = (void *)p_sys->palette;
2992                             var_Set( p_sys->p_input, "menu-palette", val );
2993
2994                             val.b_bool = VLC_TRUE; var_Set( p_sys->p_input, "highlight", val );
2995                             vlc_mutex_unlock( p_mutex );
2996                         }
2997                     }
2998                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2999                     vlc_mutex_lock( &p_ev->lock );
3000                 }
3001             }
3002             else if( p_ev->b_moved )
3003             {
3004 //                dvdnav_mouse_select( NULL, pci, valx.i_int, valy.i_int );
3005             }
3006
3007             p_ev->b_moved = VLC_FALSE;
3008             p_ev->b_clicked = VLC_FALSE;
3009             vlc_mutex_unlock( &p_ev->lock );
3010         }
3011
3012         /* VOUT part */
3013         if( p_vout && p_vout->b_die )
3014         {
3015             var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
3016             var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
3017             vlc_object_release( p_vout );
3018             p_vout = NULL;
3019         }
3020
3021         else if( p_vout == NULL )
3022         {
3023             p_vout = (vlc_object_t*) vlc_object_find( p_sys->p_input, VLC_OBJECT_VOUT,
3024                                       FIND_CHILD );
3025             if( p_vout)
3026             {
3027                 var_AddCallback( p_vout, "mouse-moved", EventMouse, p_ev );
3028                 var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
3029             }
3030         }
3031
3032         /* Wait a bit, 10ms */
3033         msleep( 10000 );
3034     }
3035
3036     /* Release callback */
3037     if( p_vout )
3038     {
3039         var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
3040         var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
3041         vlc_object_release( p_vout );
3042     }
3043     var_DelCallback( p_ev->p_libvlc, "key-pressed", EventKey, p_ev );
3044
3045     vlc_mutex_destroy( &p_ev->lock );
3046
3047     return VLC_SUCCESS;
3048 }
3049
3050 void matroska_segment_c::UnSelect( )
3051 {
3052     size_t i_track;
3053
3054     for( i_track = 0; i_track < tracks.size(); i_track++ )
3055     {
3056         if ( tracks[i_track]->p_es != NULL )
3057         {
3058 //            es_format_Clean( &tracks[i_track]->fmt );
3059             es_out_Del( sys.demuxer.out, tracks[i_track]->p_es );
3060             tracks[i_track]->p_es = NULL;
3061         }
3062     }
3063     delete ep;
3064     ep = NULL;
3065 }
3066
3067 void virtual_segment_c::PrepareChapters( )
3068 {
3069     if ( linked_segments.size() == 0 )
3070         return;
3071
3072     // !!! should be called only once !!!
3073     matroska_segment_c *p_segment;
3074     size_t i, j;
3075
3076     // copy editions from the first segment
3077     p_segment = linked_segments[0];
3078     p_editions = &p_segment->stored_editions;
3079
3080     for ( i=1 ; i<linked_segments.size(); i++ )
3081     {
3082         p_segment = linked_segments[i];
3083         // FIXME assume we have the same editions in all segments
3084         for (j=0; j<p_segment->stored_editions.size(); j++)
3085             (*p_editions)[j]->Append( *p_segment->stored_editions[j] );
3086     }
3087 }
3088
3089 std::string chapter_edition_c::GetMainName() const
3090 {
3091     if ( sub_chapters.size() )
3092     {
3093         return sub_chapters[0]->GetCodecName( true );
3094     }
3095     return "";
3096 }
3097
3098 int chapter_item_c::PublishChapters( input_title_t & title, int & i_user_chapters, int i_level )
3099 {
3100     // add support for meta-elements from codec like DVD Titles
3101     if ( !b_display_seekpoint || psz_name == "" )
3102     {
3103         psz_name = GetCodecName();
3104         if ( psz_name != "" )
3105             b_display_seekpoint = true;
3106     }
3107
3108     if (b_display_seekpoint)
3109     {
3110         seekpoint_t *sk = vlc_seekpoint_New();
3111
3112         sk->i_level = i_level;
3113         sk->i_time_offset = i_start_time;
3114         sk->psz_name = strdup( psz_name.c_str() );
3115
3116         // A start time of '0' is ok. A missing ChapterTime element is ok, too, because '0' is its default value.
3117         title.i_seekpoint++;
3118         title.seekpoint = (seekpoint_t**)realloc( title.seekpoint, title.i_seekpoint * sizeof( seekpoint_t* ) );
3119         title.seekpoint[title.i_seekpoint-1] = sk;
3120
3121         if ( b_user_display )
3122             i_user_chapters++;
3123     }
3124
3125     for ( size_t i=0; i<sub_chapters.size() ; i++)
3126     {
3127         sub_chapters[i]->PublishChapters( title, i_user_chapters, i_level+1 );
3128     }
3129
3130     i_seekpoint_num = i_user_chapters;
3131
3132     return i_user_chapters;
3133 }
3134
3135 bool virtual_segment_c::UpdateCurrentToChapter( demux_t & demux )
3136 {
3137     demux_sys_t & sys = *demux.p_sys;
3138     chapter_item_c *psz_curr_chapter;
3139     bool b_has_seeked = false;
3140
3141     /* update current chapter/seekpoint */
3142     if ( p_editions->size() )
3143     {
3144         /* 1st, we need to know in which chapter we are */
3145         psz_curr_chapter = (*p_editions)[i_current_edition]->FindTimecode( sys.i_pts, psz_current_chapter );
3146
3147         /* we have moved to a new chapter */
3148         if (psz_curr_chapter != NULL && psz_current_chapter != psz_curr_chapter)
3149         {
3150             if ( (*p_editions)[i_current_edition]->b_ordered )
3151             {
3152                 // Leave/Enter up to the link point
3153                 b_has_seeked = psz_curr_chapter->EnterAndLeave( psz_current_chapter );
3154                 if ( !b_has_seeked )
3155                 {
3156                     // only physically seek if necessary
3157                     if ( psz_current_chapter == NULL || (psz_current_chapter->i_end_time != psz_curr_chapter->i_start_time) )
3158                         Seek( demux, sys.i_pts, 0, psz_curr_chapter );
3159                 }
3160             }
3161
3162             if ( !b_has_seeked )
3163             {
3164                 psz_current_chapter = psz_curr_chapter;
3165                 if ( psz_curr_chapter->i_seekpoint_num > 0 )
3166                 {
3167                     demux.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
3168                     demux.info.i_title = sys.i_current_title = i_sys_title;
3169                     demux.info.i_seekpoint = psz_curr_chapter->i_seekpoint_num - 1;
3170                 }
3171             }
3172
3173             return true;
3174         }
3175         else if (psz_curr_chapter == NULL)
3176         {
3177             // out of the scope of the data described by chapters, leave the edition
3178             if ( (*p_editions)[i_current_edition]->b_ordered && psz_current_chapter != NULL )
3179             {
3180                 if ( !(*p_editions)[i_current_edition]->EnterAndLeave( psz_current_chapter, false ) )
3181                     psz_current_chapter = NULL;
3182                 else
3183                     return true;
3184             }
3185         }
3186     }
3187     return false;
3188 }
3189
3190 chapter_item_c *virtual_segment_c::BrowseCodecPrivate( unsigned int codec_id,
3191                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
3192                                     const void *p_cookie,
3193                                     size_t i_cookie_size )
3194 {
3195     // FIXME don't assume it is the first edition
3196     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
3197     if ( index != p_editions->end() )
3198     {
3199         chapter_item_c *p_result = (*index)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
3200         if ( p_result != NULL )
3201             return p_result;
3202     }
3203     return NULL;
3204 }
3205
3206 chapter_item_c *virtual_segment_c::FindChapter( int64_t i_find_uid )
3207 {
3208     // FIXME don't assume it is the first edition
3209     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
3210     if ( index != p_editions->end() )
3211     {
3212         chapter_item_c *p_result = (*index)->FindChapter( i_find_uid );
3213         if ( p_result != NULL )
3214             return p_result;
3215     }
3216     return NULL;
3217 }
3218
3219 chapter_item_c *chapter_item_c::BrowseCodecPrivate( unsigned int codec_id,
3220                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
3221                                     const void *p_cookie,
3222                                     size_t i_cookie_size )
3223 {
3224     // this chapter
3225     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
3226     while ( index != codecs.end() )
3227     {
3228         if ( match( **index ,p_cookie, i_cookie_size ) )
3229             return this;
3230         index++;
3231     }
3232
3233     // sub-chapters
3234     chapter_item_c *p_result = NULL;
3235     std::vector<chapter_item_c*>::const_iterator index2 = sub_chapters.begin();
3236     while ( index2 != sub_chapters.end() )
3237     {
3238         p_result = (*index2)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
3239         if ( p_result != NULL )
3240             return p_result;
3241         index2++;
3242     }
3243
3244     return p_result;
3245 }
3246
3247 void chapter_item_c::Append( const chapter_item_c & chapter )
3248 {
3249     // we are appending content for the same chapter UID
3250     size_t i;
3251     chapter_item_c *p_chapter;
3252
3253     for ( i=0; i<chapter.sub_chapters.size(); i++ )
3254     {
3255         p_chapter = FindChapter( chapter.sub_chapters[i]->i_uid );
3256         if ( p_chapter != NULL )
3257         {
3258             p_chapter->Append( *chapter.sub_chapters[i] );
3259         }
3260         else
3261         {
3262             sub_chapters.push_back( chapter.sub_chapters[i] );
3263         }
3264     }
3265
3266     i_user_start_time = min( i_user_start_time, chapter.i_user_start_time );
3267     i_user_end_time = max( i_user_end_time, chapter.i_user_end_time );
3268 }
3269
3270 chapter_item_c * chapter_item_c::FindChapter( int64_t i_find_uid )
3271 {
3272     size_t i;
3273     chapter_item_c *p_result = NULL;
3274
3275     if ( i_uid == i_find_uid )
3276         return this;
3277
3278     for ( i=0; i<sub_chapters.size(); i++)
3279     {
3280         p_result = sub_chapters[i]->FindChapter( i_find_uid );
3281         if ( p_result != NULL )
3282             break;
3283     }
3284     return p_result;
3285 }
3286
3287 std::string chapter_item_c::GetCodecName( bool f_for_title ) const
3288 {
3289     std::string result;
3290
3291     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
3292     while ( index != codecs.end() )
3293     {
3294         result = (*index)->GetCodecName( f_for_title );
3295         if ( result != "" )
3296             break;
3297         index++;
3298     }
3299
3300     return result;
3301 }
3302
3303 std::string dvd_chapter_codec_c::GetCodecName( bool f_for_title ) const
3304 {
3305     std::string result;
3306     if ( p_private_data->GetSize() >= 3)
3307     {
3308         const binary* p_data = p_private_data->GetBuffer();
3309 /*        if ( p_data[0] == MATROSKA_DVD_LEVEL_TT )
3310         {
3311             uint16_t i_title = (p_data[1] << 8) + p_data[2];
3312             char psz_str[11];
3313             sprintf( psz_str, " %d  ---", i_title );
3314             result = N_("---  DVD Title");
3315             result += psz_str;
3316         }
3317         else */ if ( p_data[0] == MATROSKA_DVD_LEVEL_LU )
3318         {
3319             char psz_str[11];
3320             sprintf( psz_str, " (%c%c)  ---", p_data[1], p_data[2] );
3321             result = N_("---  DVD Menu");
3322             result += psz_str;
3323         }
3324         else if ( p_data[0] == MATROSKA_DVD_LEVEL_SS && f_for_title )
3325         {
3326             if ( p_data[1] == 0x00 )
3327                 result = N_("First Played");
3328             else if ( p_data[1] == 0xC0 )
3329                 result = N_("Video Manager");
3330             else if ( p_data[1] == 0x80 )
3331             {
3332                 uint16_t i_title = (p_data[2] << 8) + p_data[3];
3333                 char psz_str[20];
3334                 sprintf( psz_str, " %d -----", i_title );
3335                 result = N_("----- Title");
3336                 result += psz_str;
3337             }
3338         }
3339     }
3340
3341     return result;
3342 }
3343
3344 int16 chapter_item_c::GetTitleNumber( ) const
3345 {
3346     int result = -1;
3347
3348     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
3349     while ( index != codecs.end() )
3350     {
3351         result = (*index)->GetTitleNumber( );
3352         if ( result >= 0 )
3353             break;
3354         index++;
3355     }
3356
3357     return result;
3358 }
3359
3360 int16 dvd_chapter_codec_c::GetTitleNumber()
3361 {
3362     if ( p_private_data->GetSize() >= 3)
3363     {
3364         const binary* p_data = p_private_data->GetBuffer();
3365         if ( p_data[0] == MATROSKA_DVD_LEVEL_SS )
3366         {
3367             return int16( (p_data[2] << 8) + p_data[3] );
3368         }
3369     }
3370     return -1;
3371 }
3372
3373 static void Seek( demux_t *p_demux, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter )
3374 {
3375     demux_sys_t        *p_sys = p_demux->p_sys;
3376     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3377     matroska_segment_c *p_segment = p_vsegment->Segment();
3378     mtime_t            i_time_offset = 0;
3379
3380     int         i_index;
3381
3382     msg_Dbg( p_demux, "seek request to "I64Fd" (%f%%)", i_date, f_percent );
3383     if( i_date < 0 && f_percent < 0 )
3384     {
3385         msg_Warn( p_demux, "cannot seek nowhere !" );
3386         return;
3387     }
3388     if( f_percent > 1.0 )
3389     {
3390         msg_Warn( p_demux, "cannot seek so far !" );
3391         return;
3392     }
3393
3394     /* seek without index or without date */
3395     if( f_percent >= 0 && (config_GetInt( p_demux, "mkv-seek-percent" ) || !p_segment->b_cues || i_date < 0 ))
3396     {
3397         if (p_sys->f_duration >= 0)
3398         {
3399             i_date = int64_t( f_percent * p_sys->f_duration * 1000.0 );
3400         }
3401         else
3402         {
3403             int64_t i_pos = int64_t( f_percent * stream_Size( p_demux->s ) );
3404
3405             msg_Dbg( p_demux, "inacurate way of seeking" );
3406             for( i_index = 0; i_index < p_segment->i_index; i_index++ )
3407             {
3408                 if( p_segment->p_indexes[i_index].i_position >= i_pos)
3409                 {
3410                     break;
3411                 }
3412             }
3413             if( i_index == p_segment->i_index )
3414             {
3415                 i_index--;
3416             }
3417
3418             i_date = p_segment->p_indexes[i_index].i_time;
3419
3420 #if 0
3421             if( p_segment->p_indexes[i_index].i_position < i_pos )
3422             {
3423                 EbmlElement *el;
3424
3425                 msg_Warn( p_demux, "searching for cluster, could take some time" );
3426
3427                 /* search a cluster */
3428                 while( ( el = p_sys->ep->Get() ) != NULL )
3429                 {
3430                     if( MKV_IS_ID( el, KaxCluster ) )
3431                     {
3432                         KaxCluster *cluster = (KaxCluster*)el;
3433
3434                         /* add it to the index */
3435                         p_segment->IndexAppendCluster( cluster );
3436
3437                         if( (int64_t)cluster->GetElementPosition() >= i_pos )
3438                         {
3439                             p_sys->cluster = cluster;
3440                             p_sys->ep->Down();
3441                             break;
3442                         }
3443                     }
3444                 }
3445             }
3446 #endif
3447         }
3448     }
3449
3450     p_vsegment->Seek( *p_demux, i_date, i_time_offset, psz_chapter );
3451 }
3452
3453 /*****************************************************************************
3454  * Demux: reads and demuxes data packets
3455  *****************************************************************************
3456  * Returns -1 in case of error, 0 in case of EOF, 1 otherwise
3457  *****************************************************************************/
3458 static int Demux( demux_t *p_demux)
3459 {
3460     demux_sys_t        *p_sys = p_demux->p_sys;
3461
3462     vlc_mutex_lock( &p_sys->lock_demuxer );
3463
3464     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3465     matroska_segment_c *p_segment = p_vsegment->Segment();
3466     if ( p_segment == NULL ) return 0;
3467     int                i_block_count = 0;
3468     int                i_return = 0;
3469
3470     for( ;; )
3471     {
3472         if ( p_sys->demuxer.b_die )
3473             break;
3474
3475         if( p_sys->i_pts >= p_sys->i_start_pts  )
3476             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3477             {
3478                 i_return = 1;
3479                 break;
3480             }
3481
3482         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3483         {
3484             /* nothing left to read in this ordered edition */
3485             if ( !p_vsegment->SelectNext() )
3486                 break;
3487             p_segment->UnSelect( );
3488
3489             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3490
3491             /* switch to the next segment */
3492             p_segment = p_vsegment->Segment();
3493             if ( !p_segment->Select( 0 ) )
3494             {
3495                 msg_Err( p_demux, "Failed to select new segment" );
3496                 break;
3497             }
3498             continue;
3499         }
3500
3501         KaxBlock *block;
3502         int64_t i_block_duration = 0;
3503         int64_t i_block_ref1;
3504         int64_t i_block_ref2;
3505
3506 #if LIBMATROSKA_VERSION >= 0x000800
3507         KaxSimpleBlock *simpleblock;
3508
3509         if( p_segment->BlockGet( block, simpleblock, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
3510 #else
3511         if( p_segment->BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
3512 #endif
3513         {
3514             if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered )
3515             {
3516                 const chapter_item_c *p_chap = p_vsegment->CurrentChapter();
3517                 // check if there are more chapters to read
3518                 if ( p_chap != NULL )
3519                 {
3520                     /* TODO handle successive chapters with the same user_start_time/user_end_time
3521                     if ( p_chap->i_user_start_time == p_chap->i_user_start_time )
3522                         p_vsegment->SelectNext();
3523                     */
3524                     p_sys->i_pts = p_chap->i_user_end_time;
3525                     p_sys->i_pts++; // trick to avoid staying on segments with no duration and no content
3526
3527                     i_return = 1;
3528                 }
3529
3530                 break;
3531             }
3532             else
3533             {
3534                 msg_Warn( p_demux, "cannot get block EOF?" );
3535                 p_segment->UnSelect( );
3536
3537                 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3538
3539                 /* switch to the next segment */
3540                 if ( !p_vsegment->SelectNext() )
3541                     // no more segments in this stream
3542                     break;
3543                 p_segment = p_vsegment->Segment();
3544                 if ( !p_segment->Select( 0 ) )
3545                 {
3546                     msg_Err( p_demux, "Failed to select new segment" );
3547                     break;
3548                 }
3549
3550                 continue;
3551             }
3552         }
3553
3554 #if LIBMATROSKA_VERSION >= 0x000800
3555         if ( simpleblock != NULL )
3556             p_sys->i_pts = (p_sys->i_chapter_time + simpleblock->GlobalTimecode()) / (mtime_t) 1000;
3557         else
3558 #endif
3559         p_sys->i_pts = (p_sys->i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
3560
3561         if( p_sys->i_pts >= p_sys->i_start_pts  )
3562         {
3563             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pts );
3564
3565             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3566             {
3567                 i_return = 1;
3568                 delete block;
3569                 break;
3570             }
3571         }
3572
3573         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3574         {
3575             /* nothing left to read in this ordered edition */
3576             if ( !p_vsegment->SelectNext() )
3577             {
3578                 delete block;
3579                 break;
3580             }
3581             p_segment->UnSelect( );
3582
3583             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3584
3585             /* switch to the next segment */
3586             p_segment = p_vsegment->Segment();
3587             if ( !p_segment->Select( 0 ) )
3588             {
3589                 msg_Err( p_demux, "Failed to select new segment" );
3590                 delete block;
3591                 break;
3592             }
3593             delete block;
3594             continue;
3595         }
3596
3597 #if LIBMATROSKA_VERSION >= 0x000800
3598         BlockDecode( p_demux, block, simpleblock, p_sys->i_pts, i_block_duration, i_block_ref1 >= 0 || i_block_ref2 > 0 );
3599 #else
3600         BlockDecode( p_demux, block, p_sys->i_pts, i_block_duration, i_block_ref1 >= 0 || i_block_ref2 > 0 );
3601 #endif
3602
3603         delete block;
3604         i_block_count++;
3605
3606         // TODO optimize when there is need to leave or when seeking has been called
3607         if( i_block_count > 5 )
3608         {
3609             i_return = 1;
3610             break;
3611         }
3612     }
3613
3614     vlc_mutex_unlock( &p_sys->lock_demuxer );
3615
3616     return i_return;
3617 }
3618
3619
3620
3621 /*****************************************************************************
3622  * Stream managment
3623  *****************************************************************************/
3624 vlc_stream_io_callback::vlc_stream_io_callback( stream_t *s_, vlc_bool_t b_owner_ )
3625 {
3626     s = s_;
3627     b_owner = b_owner_;
3628     mb_eof = VLC_FALSE;
3629 }
3630
3631 uint32 vlc_stream_io_callback::read( void *p_buffer, size_t i_size )
3632 {
3633     if( i_size <= 0 || mb_eof )
3634     {
3635         return 0;
3636     }
3637
3638     return stream_Read( s, p_buffer, i_size );
3639 }
3640 void vlc_stream_io_callback::setFilePointer(int64_t i_offset, seek_mode mode )
3641 {
3642     int64_t i_pos;
3643
3644     switch( mode )
3645     {
3646         case seek_beginning:
3647             i_pos = i_offset;
3648             break;
3649         case seek_end:
3650             i_pos = stream_Size( s ) - i_offset;
3651             break;
3652         default:
3653             i_pos= stream_Tell( s ) + i_offset;
3654             break;
3655     }
3656
3657     if( i_pos < 0 || i_pos >= stream_Size( s ) )
3658     {
3659         mb_eof = VLC_TRUE;
3660         return;
3661     }
3662
3663     mb_eof = VLC_FALSE;
3664     if( stream_Seek( s, i_pos ) )
3665     {
3666         mb_eof = VLC_TRUE;
3667     }
3668     return;
3669 }
3670 size_t vlc_stream_io_callback::write( const void *p_buffer, size_t i_size )
3671 {
3672     return 0;
3673 }
3674 uint64 vlc_stream_io_callback::getFilePointer( void )
3675 {
3676     if ( s == NULL )
3677         return 0;
3678     return stream_Tell( s );
3679 }
3680 void vlc_stream_io_callback::close( void )
3681 {
3682     return;
3683 }
3684
3685
3686 /*****************************************************************************
3687  * Ebml Stream parser
3688  *****************************************************************************/
3689 EbmlParser::EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux )
3690 {
3691     int i;
3692
3693     m_es = es;
3694     m_got = NULL;
3695     m_el[0] = el_start;
3696     mi_remain_size[0] = el_start->GetSize();
3697
3698     for( i = 1; i < 6; i++ )
3699     {
3700         m_el[i] = NULL;
3701     }
3702     mi_level = 1;
3703     mi_user_level = 1;
3704     mb_keep = VLC_FALSE;
3705     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3706 }
3707
3708 EbmlParser::~EbmlParser( void )
3709 {
3710     int i;
3711
3712     for( i = 1; i < mi_level; i++ )
3713     {
3714         if( !mb_keep )
3715         {
3716             delete m_el[i];
3717         }
3718         mb_keep = VLC_FALSE;
3719     }
3720 }
3721
3722 EbmlElement* EbmlParser::UnGet( uint64 i_block_pos, uint64 i_cluster_pos )
3723 {
3724     if ( mi_user_level > mi_level )
3725     {
3726         while ( mi_user_level != mi_level )
3727         {
3728             delete m_el[mi_user_level];
3729             m_el[mi_user_level] = NULL;
3730             mi_user_level--;
3731         }
3732     }
3733     m_got = NULL;
3734     mb_keep = VLC_FALSE;
3735     if ( m_el[1]->GetElementPosition() == i_cluster_pos )
3736     {
3737         m_es->I_O().setFilePointer( i_block_pos, seek_beginning );
3738         return (EbmlMaster*) m_el[1];
3739     }
3740     else
3741     {
3742         // seek to the previous Cluster
3743         m_es->I_O().setFilePointer( i_cluster_pos, seek_beginning );
3744         mi_level--;
3745         mi_user_level--;
3746         delete m_el[mi_level];
3747         m_el[mi_level] = NULL;
3748         return NULL;
3749     }
3750 }
3751
3752 void EbmlParser::Up( void )
3753 {
3754     if( mi_user_level == mi_level )
3755     {
3756         fprintf( stderr," arrrrrrrrrrrrrg Up cannot escape itself\n" );
3757     }
3758
3759     mi_user_level--;
3760 }
3761
3762 void EbmlParser::Down( void )
3763 {
3764     mi_user_level++;
3765     mi_level++;
3766 }
3767
3768 void EbmlParser::Keep( void )
3769 {
3770     mb_keep = VLC_TRUE;
3771 }
3772
3773 int EbmlParser::GetLevel( void )
3774 {
3775     return mi_user_level;
3776 }
3777
3778 void EbmlParser::Reset( demux_t *p_demux )
3779 {
3780     while ( mi_level > 0)
3781     {
3782         delete m_el[mi_level];
3783         m_el[mi_level] = NULL;
3784         mi_level--;
3785     }
3786     mi_user_level = mi_level = 1;
3787 #if LIBEBML_VERSION >= 0x000704
3788     // a little faster and cleaner
3789     m_es->I_O().setFilePointer( static_cast<KaxSegment*>(m_el[0])->GetGlobalPosition(0) );
3790 #else
3791     m_es->I_O().setFilePointer( m_el[0]->GetElementPosition() + m_el[0]->ElementSize(true) - m_el[0]->GetSize() );
3792 #endif
3793     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3794 }
3795
3796 EbmlElement *EbmlParser::Get( void )
3797 {
3798     int i_ulev = 0;
3799
3800     if( mi_user_level != mi_level )
3801     {
3802         return NULL;
3803     }
3804     if( m_got )
3805     {
3806         EbmlElement *ret = m_got;
3807         m_got = NULL;
3808
3809         return ret;
3810     }
3811
3812     if( m_el[mi_level] )
3813     {
3814         m_el[mi_level]->SkipData( *m_es, m_el[mi_level]->Generic().Context );
3815         if( !mb_keep )
3816         {
3817             delete m_el[mi_level];
3818         }
3819         mb_keep = VLC_FALSE;
3820     }
3821
3822     m_el[mi_level] = m_es->FindNextElement( m_el[mi_level - 1]->Generic().Context, i_ulev, 0xFFFFFFFFL, mb_dummy != 0, 1 );
3823 //    mi_remain_size[mi_level] = m_el[mi_level]->GetSize();
3824     if( i_ulev > 0 )
3825     {
3826         while( i_ulev > 0 )
3827         {
3828             if( mi_level == 1 )
3829             {
3830                 mi_level = 0;
3831                 return NULL;
3832             }
3833
3834             delete m_el[mi_level - 1];
3835             m_got = m_el[mi_level -1] = m_el[mi_level];
3836             m_el[mi_level] = NULL;
3837
3838             mi_level--;
3839             i_ulev--;
3840         }
3841         return NULL;
3842     }
3843     else if( m_el[mi_level] == NULL )
3844     {
3845         fprintf( stderr," m_el[mi_level] == NULL\n" );
3846     }
3847
3848     return m_el[mi_level];
3849 }
3850
3851
3852 /*****************************************************************************
3853  * Tools
3854  *  * LoadCues : load the cues element and update index
3855  *
3856  *  * LoadTags : load ... the tags element
3857  *
3858  *  * InformationCreate : create all information, load tags if present
3859  *
3860  *****************************************************************************/
3861 void matroska_segment_c::LoadCues( )
3862 {
3863     int64_t     i_sav_position = es.I_O().getFilePointer();
3864     EbmlParser  *ep;
3865     EbmlElement *el, *cues;
3866
3867     /* *** Load the cue if found *** */
3868     if( i_cues_position < 0 )
3869     {
3870         msg_Warn( &sys.demuxer, "no cues/empty cues found->seek won't be precise" );
3871
3872 //        IndexAppendCluster( cluster );
3873     }
3874
3875     vlc_bool_t b_seekable;
3876
3877     stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
3878     if( !b_seekable )
3879         return;
3880
3881     msg_Dbg( &sys.demuxer, "loading cues" );
3882     es.I_O().setFilePointer( i_cues_position, seek_beginning );
3883     cues = es.FindNextID( KaxCues::ClassInfos, 0xFFFFFFFFL);
3884
3885     if( cues == NULL )
3886     {
3887         msg_Err( &sys.demuxer, "cannot load cues (broken seekhead or file)" );
3888         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3889         return;
3890     }
3891
3892     ep = new EbmlParser( &es, cues, &sys.demuxer );
3893     while( ( el = ep->Get() ) != NULL )
3894     {
3895         if( MKV_IS_ID( el, KaxCuePoint ) )
3896         {
3897 #define idx p_indexes[i_index]
3898
3899             idx.i_track       = -1;
3900             idx.i_block_number= -1;
3901             idx.i_position    = -1;
3902             idx.i_time        = 0;
3903             idx.b_key         = VLC_TRUE;
3904
3905             ep->Down();
3906             while( ( el = ep->Get() ) != NULL )
3907             {
3908                 if( MKV_IS_ID( el, KaxCueTime ) )
3909                 {
3910                     KaxCueTime &ctime = *(KaxCueTime*)el;
3911
3912                     ctime.ReadData( es.I_O() );
3913
3914                     idx.i_time = uint64( ctime ) * i_timescale / (mtime_t)1000;
3915                 }
3916                 else if( MKV_IS_ID( el, KaxCueTrackPositions ) )
3917                 {
3918                     ep->Down();
3919                     while( ( el = ep->Get() ) != NULL )
3920                     {
3921                         if( MKV_IS_ID( el, KaxCueTrack ) )
3922                         {
3923                             KaxCueTrack &ctrack = *(KaxCueTrack*)el;
3924
3925                             ctrack.ReadData( es.I_O() );
3926                             idx.i_track = uint16( ctrack );
3927                         }
3928                         else if( MKV_IS_ID( el, KaxCueClusterPosition ) )
3929                         {
3930                             KaxCueClusterPosition &ccpos = *(KaxCueClusterPosition*)el;
3931
3932                             ccpos.ReadData( es.I_O() );
3933                             idx.i_position = segment->GetGlobalPosition( uint64( ccpos ) );
3934                         }
3935                         else if( MKV_IS_ID( el, KaxCueBlockNumber ) )
3936                         {
3937                             KaxCueBlockNumber &cbnum = *(KaxCueBlockNumber*)el;
3938
3939                             cbnum.ReadData( es.I_O() );
3940                             idx.i_block_number = uint32( cbnum );
3941                         }
3942                         else
3943                         {
3944                             msg_Dbg( &sys.demuxer, "         * Unknown (%s)", typeid(*el).name() );
3945                         }
3946                     }
3947                     ep->Up();
3948                 }
3949                 else
3950                 {
3951                     msg_Dbg( &sys.demuxer, "     * Unknown (%s)", typeid(*el).name() );
3952                 }
3953             }
3954             ep->Up();
3955
3956 #if 0
3957             msg_Dbg( &sys.demuxer, " * added time="I64Fd" pos="I64Fd
3958                      " track=%d bnum=%d", idx.i_time, idx.i_position,
3959                      idx.i_track, idx.i_block_number );
3960 #endif
3961
3962             i_index++;
3963             if( i_index >= i_index_max )
3964             {
3965                 i_index_max += 1024;
3966                 p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
3967             }
3968 #undef idx
3969         }
3970         else
3971         {
3972             msg_Dbg( &sys.demuxer, " * Unknown (%s)", typeid(*el).name() );
3973         }
3974     }
3975     delete ep;
3976     delete cues;
3977
3978     b_cues = VLC_TRUE;
3979
3980     msg_Dbg( &sys.demuxer, "loading cues done." );
3981     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3982 }
3983
3984 void matroska_segment_c::LoadTags( )
3985 {
3986     int64_t     i_sav_position = es.I_O().getFilePointer();
3987     EbmlParser  *ep;
3988     EbmlElement *el, *tags;
3989
3990     msg_Dbg( &sys.demuxer, "loading tags" );
3991     es.I_O().setFilePointer( i_tags_position, seek_beginning );
3992     tags = es.FindNextID( KaxTags::ClassInfos, 0xFFFFFFFFL);
3993
3994     if( tags == NULL )
3995     {
3996         msg_Err( &sys.demuxer, "cannot load tags (broken seekhead or file)" );
3997         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3998         return;
3999     }
4000
4001     msg_Dbg( &sys.demuxer, "Tags" );
4002     ep = new EbmlParser( &es, tags, &sys.demuxer );
4003     while( ( el = ep->Get() ) != NULL )
4004     {
4005         if( MKV_IS_ID( el, KaxTag ) )
4006         {
4007             msg_Dbg( &sys.demuxer, "+ Tag" );
4008             ep->Down();
4009             while( ( el = ep->Get() ) != NULL )
4010             {
4011                 if( MKV_IS_ID( el, KaxTagTargets ) )
4012                 {
4013                     msg_Dbg( &sys.demuxer, "|   + Targets" );
4014                     ep->Down();
4015                     while( ( el = ep->Get() ) != NULL )
4016                     {
4017                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
4018                     }
4019                     ep->Up();
4020                 }
4021                 else if( MKV_IS_ID( el, KaxTagGeneral ) )
4022                 {
4023                     msg_Dbg( &sys.demuxer, "|   + General" );
4024                     ep->Down();
4025                     while( ( el = ep->Get() ) != NULL )
4026                     {
4027                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
4028                     }
4029                     ep->Up();
4030                 }
4031                 else if( MKV_IS_ID( el, KaxTagGenres ) )
4032                 {
4033                     msg_Dbg( &sys.demuxer, "|   + Genres" );
4034                     ep->Down();
4035                     while( ( el = ep->Get() ) != NULL )
4036                     {
4037                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
4038                     }
4039                     ep->Up();
4040                 }
4041                 else if( MKV_IS_ID( el, KaxTagAudioSpecific ) )
4042                 {
4043                     msg_Dbg( &sys.demuxer, "|   + Audio Specific" );
4044                     ep->Down();
4045                     while( ( el = ep->Get() ) != NULL )
4046                     {
4047                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
4048                     }
4049                     ep->Up();
4050                 }
4051                 else if( MKV_IS_ID( el, KaxTagImageSpecific ) )
4052                 {
4053                     msg_Dbg( &sys.demuxer, "|   + Images Specific" );
4054                     ep->Down();
4055                     while( ( el = ep->Get() ) != NULL )
4056                     {
4057                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
4058                     }
4059                     ep->Up();
4060                 }
4061                 else if( MKV_IS_ID( el, KaxTagMultiComment ) )
4062                 {
4063                     msg_Dbg( &sys.demuxer, "|   + Multi Comment" );
4064                 }
4065                 else if( MKV_IS_ID( el, KaxTagMultiCommercial ) )
4066                 {
4067                     msg_Dbg( &sys.demuxer, "|   + Multi Commercial" );
4068                 }
4069                 else if( MKV_IS_ID( el, KaxTagMultiDate ) )
4070                 {
4071                     msg_Dbg( &sys.demuxer, "|   + Multi Date" );
4072                 }
4073                 else if( MKV_IS_ID( el, KaxTagMultiEntity ) )
4074                 {
4075                     msg_Dbg( &sys.demuxer, "|   + Multi Entity" );
4076                 }
4077                 else if( MKV_IS_ID( el, KaxTagMultiIdentifier ) )
4078                 {
4079                     msg_Dbg( &sys.demuxer, "|   + Multi Identifier" );
4080                 }
4081                 else if( MKV_IS_ID( el, KaxTagMultiLegal ) )
4082                 {
4083                     msg_Dbg( &sys.demuxer, "|   + Multi Legal" );
4084                 }
4085                 else if( MKV_IS_ID( el, KaxTagMultiTitle ) )
4086                 {
4087                     msg_Dbg( &sys.demuxer, "|   + Multi Title" );
4088                 }
4089                 else
4090                 {
4091                     msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid( *el ).name() );
4092                 }
4093             }
4094             ep->Up();
4095         }
4096         else
4097         {
4098             msg_Dbg( &sys.demuxer, "+ Unknown (%s)", typeid( *el ).name() );
4099         }
4100     }
4101     delete ep;
4102     delete tags;
4103
4104     msg_Dbg( &sys.demuxer, "loading tags done." );
4105     es.I_O().setFilePointer( i_sav_position, seek_beginning );
4106 }
4107
4108 /*****************************************************************************
4109  * ParseSeekHead:
4110  *****************************************************************************/
4111 void matroska_segment_c::ParseSeekHead( KaxSeekHead *seekhead )
4112 {
4113     EbmlElement *el;
4114     size_t i, j;
4115     int i_upper_level = 0;
4116
4117     msg_Dbg( &sys.demuxer, "|   + Seek head" );
4118
4119     /* Master elements */
4120     seekhead->Read( es, seekhead->Generic().Context, i_upper_level, el, true );
4121
4122     for( i = 0; i < seekhead->ListSize(); i++ )
4123     {
4124         EbmlElement *l = (*seekhead)[i];
4125
4126         if( MKV_IS_ID( l, KaxSeek ) )
4127         {
4128             EbmlMaster *sk = static_cast<EbmlMaster *>(l);
4129             EbmlId id = EbmlVoid::ClassInfos.GlobalId;
4130             int64_t i_pos = -1;
4131
4132             for( j = 0; j < sk->ListSize(); j++ )
4133             {
4134                 EbmlElement *l = (*sk)[j];
4135
4136                 if( MKV_IS_ID( l, KaxSeekID ) )
4137                 {
4138                     KaxSeekID &sid = *(KaxSeekID*)l;
4139                     id = EbmlId( sid.GetBuffer(), sid.GetSize() );
4140                 }
4141                 else if( MKV_IS_ID( l, KaxSeekPosition ) )
4142                 {
4143                     KaxSeekPosition &spos = *(KaxSeekPosition*)l;
4144                     i_pos = uint64( spos );
4145                 }
4146                 else
4147                 {
4148                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
4149                 }
4150             }
4151
4152             if( i_pos >= 0 )
4153             {
4154                 if( id == KaxCues::ClassInfos.GlobalId )
4155                 {
4156                     msg_Dbg( &sys.demuxer, "|   |   |   = cues at "I64Fd, i_pos );
4157                     i_cues_position = segment->GetGlobalPosition( i_pos );
4158                 }
4159                 else if( id == KaxChapters::ClassInfos.GlobalId )
4160                 {
4161                     msg_Dbg( &sys.demuxer, "|   |   |   = chapters at "I64Fd, i_pos );
4162                     i_chapters_position = segment->GetGlobalPosition( i_pos );
4163                 }
4164                 else if( id == KaxTags::ClassInfos.GlobalId )
4165                 {
4166                     msg_Dbg( &sys.demuxer, "|   |   |   = tags at "I64Fd, i_pos );
4167                     i_tags_position = segment->GetGlobalPosition( i_pos );
4168                 }
4169             }
4170         }
4171         else
4172         {
4173             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4174         }
4175     }
4176 }
4177
4178 /*****************************************************************************
4179  * ParseTrackEntry:
4180  *****************************************************************************/
4181 void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
4182 {
4183     size_t i, j, k, n;
4184     bool bSupported = true;
4185
4186     mkv_track_t *tk;
4187
4188     msg_Dbg( &sys.demuxer, "|   |   + Track Entry" );
4189
4190     tk = new mkv_track_t();
4191
4192     /* Init the track */
4193     memset( tk, 0, sizeof( mkv_track_t ) );
4194
4195     es_format_Init( &tk->fmt, UNKNOWN_ES, 0 );
4196     tk->fmt.psz_language = strdup("English");
4197     tk->fmt.psz_description = NULL;
4198
4199     tk->b_default = VLC_TRUE;
4200     tk->b_enabled = VLC_TRUE;
4201     tk->b_silent = VLC_FALSE;
4202     tk->i_number = tracks.size() - 1;
4203     tk->i_extra_data = 0;
4204     tk->p_extra_data = NULL;
4205     tk->psz_codec = NULL;
4206     tk->i_default_duration = 0;
4207     tk->f_timecodescale = 1.0;
4208
4209     tk->b_inited = VLC_FALSE;
4210     tk->i_data_init = 0;
4211     tk->p_data_init = NULL;
4212
4213     tk->psz_codec_name = NULL;
4214     tk->psz_codec_settings = NULL;
4215     tk->psz_codec_info_url = NULL;
4216     tk->psz_codec_download_url = NULL;
4217
4218     tk->i_compression_type = MATROSKA_COMPRESSION_NONE;
4219     tk->p_compression_data = NULL;
4220
4221     for( i = 0; i < m->ListSize(); i++ )
4222     {
4223         EbmlElement *l = (*m)[i];
4224
4225         if( MKV_IS_ID( l, KaxTrackNumber ) )
4226         {
4227             KaxTrackNumber &tnum = *(KaxTrackNumber*)l;
4228
4229             tk->i_number = uint32( tnum );
4230             msg_Dbg( &sys.demuxer, "|   |   |   + Track Number=%u", uint32( tnum ) );
4231         }
4232         else  if( MKV_IS_ID( l, KaxTrackUID ) )
4233         {
4234             KaxTrackUID &tuid = *(KaxTrackUID*)l;
4235
4236             msg_Dbg( &sys.demuxer, "|   |   |   + Track UID=%u",  uint32( tuid ) );
4237         }
4238         else  if( MKV_IS_ID( l, KaxTrackType ) )
4239         {
4240             const char *psz_type;
4241             KaxTrackType &ttype = *(KaxTrackType*)l;
4242
4243             switch( uint8(ttype) )
4244             {
4245                 case track_audio:
4246                     psz_type = "audio";
4247                     tk->fmt.i_cat = AUDIO_ES;
4248                     break;
4249                 case track_video:
4250                     psz_type = "video";
4251                     tk->fmt.i_cat = VIDEO_ES;
4252                     break;
4253                 case track_subtitle:
4254                     psz_type = "subtitle";
4255                     tk->fmt.i_cat = SPU_ES;
4256                     break;
4257                 case track_buttons:
4258                     psz_type = "buttons";
4259                     tk->fmt.i_cat = SPU_ES;
4260                     break;
4261                 default:
4262                     psz_type = "unknown";
4263                     tk->fmt.i_cat = UNKNOWN_ES;
4264                     break;
4265             }
4266
4267             msg_Dbg( &sys.demuxer, "|   |   |   + Track Type=%s", psz_type );
4268         }
4269 //        else  if( EbmlId( *l ) == KaxTrackFlagEnabled::ClassInfos.GlobalId )
4270 //        {
4271 //            KaxTrackFlagEnabled &fenb = *(KaxTrackFlagEnabled*)l;
4272
4273 //            tk->b_enabled = uint32( fenb );
4274 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Enabled=%u",
4275 //                     uint32( fenb )  );
4276 //        }
4277         else  if( MKV_IS_ID( l, KaxTrackFlagDefault ) )
4278         {
4279             KaxTrackFlagDefault &fdef = *(KaxTrackFlagDefault*)l;
4280
4281             tk->b_default = uint32( fdef );
4282             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default=%u", uint32( fdef )  );
4283         }
4284         else  if( MKV_IS_ID( l, KaxTrackFlagLacing ) )
4285         {
4286             KaxTrackFlagLacing &lac = *(KaxTrackFlagLacing*)l;
4287
4288             msg_Dbg( &sys.demuxer, "|   |   |   + Track Lacing=%d", uint32( lac ) );
4289         }
4290         else  if( MKV_IS_ID( l, KaxTrackMinCache ) )
4291         {
4292             KaxTrackMinCache &cmin = *(KaxTrackMinCache*)l;
4293
4294             msg_Dbg( &sys.demuxer, "|   |   |   + Track MinCache=%d", uint32( cmin ) );
4295         }
4296         else  if( MKV_IS_ID( l, KaxTrackMaxCache ) )
4297         {
4298             KaxTrackMaxCache &cmax = *(KaxTrackMaxCache*)l;
4299
4300             msg_Dbg( &sys.demuxer, "|   |   |   + Track MaxCache=%d", uint32( cmax ) );
4301         }
4302         else  if( MKV_IS_ID( l, KaxTrackDefaultDuration ) )
4303         {
4304             KaxTrackDefaultDuration &defd = *(KaxTrackDefaultDuration*)l;
4305
4306             tk->i_default_duration = uint64(defd);
4307             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default Duration="I64Fd, uint64(defd) );
4308         }
4309         else  if( MKV_IS_ID( l, KaxTrackTimecodeScale ) )
4310         {
4311             KaxTrackTimecodeScale &ttcs = *(KaxTrackTimecodeScale*)l;
4312
4313             tk->f_timecodescale = float( ttcs );
4314             msg_Dbg( &sys.demuxer, "|   |   |   + Track TimeCodeScale=%f", tk->f_timecodescale );
4315         }
4316         else if( MKV_IS_ID( l, KaxTrackName ) )
4317         {
4318             KaxTrackName &tname = *(KaxTrackName*)l;
4319
4320             tk->fmt.psz_description = ToUTF8( UTFstring( tname ) );
4321             msg_Dbg( &sys.demuxer, "|   |   |   + Track Name=%s", tk->fmt.psz_description );
4322         }
4323         else  if( MKV_IS_ID( l, KaxTrackLanguage ) )
4324         {
4325             KaxTrackLanguage &lang = *(KaxTrackLanguage*)l;
4326
4327             if ( tk->fmt.psz_language != NULL )
4328                 free( tk->fmt.psz_language );
4329             tk->fmt.psz_language = strdup( string( lang ).c_str() );
4330             msg_Dbg( &sys.demuxer,
4331                      "|   |   |   + Track Language=`%s'", tk->fmt.psz_language );
4332         }
4333         else  if( MKV_IS_ID( l, KaxCodecID ) )
4334         {
4335             KaxCodecID &codecid = *(KaxCodecID*)l;
4336
4337             tk->psz_codec = strdup( string( codecid ).c_str() );
4338             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecId=%s", string( codecid ).c_str() );
4339         }
4340         else  if( MKV_IS_ID( l, KaxCodecPrivate ) )
4341         {
4342             KaxCodecPrivate &cpriv = *(KaxCodecPrivate*)l;
4343
4344             tk->i_extra_data = cpriv.GetSize();
4345             if( tk->i_extra_data > 0 )
4346             {
4347                 tk->p_extra_data = (uint8_t*)malloc( tk->i_extra_data );
4348                 memcpy( tk->p_extra_data, cpriv.GetBuffer(), tk->i_extra_data );
4349             }
4350             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecPrivate size="I64Fd, cpriv.GetSize() );
4351         }
4352         else if( MKV_IS_ID( l, KaxCodecName ) )
4353         {
4354             KaxCodecName &cname = *(KaxCodecName*)l;
4355
4356             tk->psz_codec_name = ToUTF8( UTFstring( cname ) );
4357             msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Name=%s", tk->psz_codec_name );
4358         }
4359         else if( MKV_IS_ID( l, KaxContentEncodings ) )
4360         {
4361             EbmlMaster *cencs = static_cast<EbmlMaster*>(l);
4362             MkvTree( sys.demuxer, 3, "Content Encodings" );
4363             if ( cencs->ListSize() > 1 )
4364             {
4365                 msg_Err( &sys.demuxer, "Multiple Compression method not supported" );
4366                 bSupported = false;
4367             }
4368             for( j = 0; j < cencs->ListSize(); j++ )
4369             {
4370                 EbmlElement *l2 = (*cencs)[j];
4371                 if( MKV_IS_ID( l2, KaxContentEncoding ) )
4372                 {
4373                     MkvTree( sys.demuxer, 4, "Content Encoding" );
4374                     EbmlMaster *cenc = static_cast<EbmlMaster*>(l2);
4375                     for( k = 0; k < cenc->ListSize(); k++ )
4376                     {
4377                         EbmlElement *l3 = (*cenc)[k];
4378                         if( MKV_IS_ID( l3, KaxContentEncodingOrder ) )
4379                         {
4380                             KaxContentEncodingOrder &encord = *(KaxContentEncodingOrder*)l3;
4381                             MkvTree( sys.demuxer, 5, "Order: %i", uint32( encord ) );
4382                         }
4383                         else if( MKV_IS_ID( l3, KaxContentEncodingScope ) )
4384                         {
4385                             KaxContentEncodingScope &encscope = *(KaxContentEncodingScope*)l3;
4386                             MkvTree( sys.demuxer, 5, "Scope: %i", uint32( encscope ) );
4387                         }
4388                         else if( MKV_IS_ID( l3, KaxContentEncodingType ) )
4389                         {
4390                             KaxContentEncodingType &enctype = *(KaxContentEncodingType*)l3;
4391                             MkvTree( sys.demuxer, 5, "Type: %i", uint32( enctype ) );
4392                         }
4393                         else if( MKV_IS_ID( l3, KaxContentCompression ) )
4394                         {
4395                             EbmlMaster *compr = static_cast<EbmlMaster*>(l3);
4396                             MkvTree( sys.demuxer, 5, "Content Compression" );
4397                             for( n = 0; n < compr->ListSize(); n++ )
4398                             {
4399                                 EbmlElement *l4 = (*compr)[n];
4400                                 if( MKV_IS_ID( l4, KaxContentCompAlgo ) )
4401                                 {
4402                                     KaxContentCompAlgo &compalg = *(KaxContentCompAlgo*)l4;
4403                                     MkvTree( sys.demuxer, 6, "Compression Algorithm: %i", uint32(compalg) );
4404                                     tk->i_compression_type = uint32( compalg );
4405                                     if ( ( tk->i_compression_type != MATROSKA_COMPRESSION_ZLIB ) &&
4406                                          ( tk->i_compression_type != MATROSKA_COMPRESSION_HEADER ) )
4407                                     {
4408                                         msg_Err( &sys.demuxer, "Track Compression method %d not supported", tk->i_compression_type );
4409                                         bSupported = false;
4410                                     }
4411                                 }
4412                                 else if( MKV_IS_ID( l4, KaxContentCompSettings ) )
4413                                 {
4414                                     tk->p_compression_data = new KaxContentCompSettings( *(KaxContentCompSettings*)l4 );
4415                                 }
4416                                 else
4417                                 {
4418                                     MkvTree( sys.demuxer, 6, "Unknown (%s)", typeid(*l4).name() );
4419                                 }
4420                             }
4421                         }
4422                         else
4423                         {
4424                             MkvTree( sys.demuxer, 5, "Unknown (%s)", typeid(*l3).name() );
4425                         }
4426                     }
4427                 }
4428                 else
4429                 {
4430                     MkvTree( sys.demuxer, 4, "Unknown (%s)", typeid(*l2).name() );
4431                 }
4432             }
4433         }
4434 //        else if( EbmlId( *l ) == KaxCodecSettings::ClassInfos.GlobalId )
4435 //        {
4436 //            KaxCodecSettings &cset = *(KaxCodecSettings*)l;
4437
4438 //            tk->psz_codec_settings = ToUTF8( UTFstring( cset ) );
4439 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Settings=%s", tk->psz_codec_settings );
4440 //        }
4441 //        else if( EbmlId( *l ) == KaxCodecInfoURL::ClassInfos.GlobalId )
4442 //        {
4443 //            KaxCodecInfoURL &ciurl = *(KaxCodecInfoURL*)l;
4444
4445 //            tk->psz_codec_info_url = strdup( string( ciurl ).c_str() );
4446 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_info_url );
4447 //        }
4448 //        else if( EbmlId( *l ) == KaxCodecDownloadURL::ClassInfos.GlobalId )
4449 //        {
4450 //            KaxCodecDownloadURL &cdurl = *(KaxCodecDownloadURL*)l;
4451
4452 //            tk->psz_codec_download_url = strdup( string( cdurl ).c_str() );
4453 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_download_url );
4454 //        }
4455 //        else if( EbmlId( *l ) == KaxCodecDecodeAll::ClassInfos.GlobalId )
4456 //        {
4457 //            KaxCodecDecodeAll &cdall = *(KaxCodecDecodeAll*)l;
4458
4459 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Decode All=%u <== UNUSED", uint8( cdall ) );
4460 //        }
4461 //        else if( EbmlId( *l ) == KaxTrackOverlay::ClassInfos.GlobalId )
4462 //        {
4463 //            KaxTrackOverlay &tovr = *(KaxTrackOverlay*)l;
4464
4465 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Overlay=%u <== UNUSED", uint32( tovr ) );
4466 //        }
4467         else  if( MKV_IS_ID( l, KaxTrackVideo ) )
4468         {
4469             EbmlMaster *tkv = static_cast<EbmlMaster*>(l);
4470             unsigned int j;
4471             unsigned int i_crop_right = 0, i_crop_left = 0, i_crop_top = 0, i_crop_bottom = 0;
4472             unsigned int i_display_unit = 0, i_display_width = 0, i_display_height = 0;
4473
4474             msg_Dbg( &sys.demuxer, "|   |   |   + Track Video" );
4475             tk->f_fps = 0.0;
4476
4477             tk->fmt.video.i_frame_rate_base = (unsigned int)(tk->i_default_duration / 1000);
4478             tk->fmt.video.i_frame_rate = 1000000;
4479
4480             for( j = 0; j < tkv->ListSize(); j++ )
4481             {
4482                 EbmlElement *l = (*tkv)[j];
4483 //                if( EbmlId( *el4 ) == KaxVideoFlagInterlaced::ClassInfos.GlobalId )
4484 //                {
4485 //                    KaxVideoFlagInterlaced &fint = *(KaxVideoFlagInterlaced*)el4;
4486
4487 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Interlaced=%u", uint8( fint ) );
4488 //                }
4489 //                else if( EbmlId( *el4 ) == KaxVideoStereoMode::ClassInfos.GlobalId )
4490 //                {
4491 //                    KaxVideoStereoMode &stereo = *(KaxVideoStereoMode*)el4;
4492
4493 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Stereo Mode=%u", uint8( stereo ) );
4494 //                }
4495 //                else
4496                 if( MKV_IS_ID( l, KaxVideoPixelWidth ) )
4497                 {
4498                     KaxVideoPixelWidth &vwidth = *(KaxVideoPixelWidth*)l;
4499
4500                     tk->fmt.video.i_width += uint16( vwidth );
4501                     msg_Dbg( &sys.demuxer, "|   |   |   |   + width=%d", uint16( vwidth ) );
4502                 }
4503                 else if( MKV_IS_ID( l, KaxVideoPixelHeight ) )
4504                 {
4505                     KaxVideoPixelWidth &vheight = *(KaxVideoPixelWidth*)l;
4506
4507                     tk->fmt.video.i_height += uint16( vheight );
4508                     msg_Dbg( &sys.demuxer, "|   |   |   |   + height=%d", uint16( vheight ) );
4509                 }
4510                 else if( MKV_IS_ID( l, KaxVideoDisplayWidth ) )
4511                 {
4512                     KaxVideoDisplayWidth &vwidth = *(KaxVideoDisplayWidth*)l;
4513
4514                     i_display_width = uint16( vwidth );
4515                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display width=%d", uint16( vwidth ) );
4516                 }
4517                 else if( MKV_IS_ID( l, KaxVideoDisplayHeight ) )
4518                 {
4519                     KaxVideoDisplayWidth &vheight = *(KaxVideoDisplayWidth*)l;
4520
4521                     i_display_height = uint16( vheight );
4522                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display height=%d", uint16( vheight ) );
4523                 }
4524                 else if( MKV_IS_ID( l, KaxVideoPixelCropBottom ) )
4525                 {
4526                     KaxVideoPixelCropBottom &cropval = *(KaxVideoPixelCropBottom*)l;
4527
4528                     i_crop_bottom = uint16( cropval );
4529                     msg_Dbg( &sys.demuxer, "|   |   |   |   + crop pixel bottom=%d", uint16( cropval ) );
4530                 }
4531                 else if( MKV_IS_ID( l, KaxVideoPixelCropTop ) )
4532                 {
4533                     KaxVideoPixelCropTop &cropval = *(KaxVideoPixelCropTop*)l;
4534
4535                     i_crop_top = uint16( cropval );
4536                     msg_Dbg( &sys.demuxer, "|   |   |   |   + crop pixel top=%d", uint16( cropval ) );
4537                 }
4538                 else if( MKV_IS_ID( l, KaxVideoPixelCropRight ) )
4539                 {
4540                     KaxVideoPixelCropRight &cropval = *(KaxVideoPixelCropRight*)l;
4541
4542                     i_crop_right = uint16( cropval );
4543                     msg_Dbg( &sys.demuxer, "|   |   |   |   + crop pixel right=%d", uint16( cropval ) );
4544                 }
4545                 else if( MKV_IS_ID( l, KaxVideoPixelCropLeft ) )
4546                 {
4547                     KaxVideoPixelCropLeft &cropval = *(KaxVideoPixelCropLeft*)l;
4548
4549                     i_crop_left = uint16( cropval );
4550                     msg_Dbg( &sys.demuxer, "|   |   |   |   + crop pixel left=%d", uint16( cropval ) );
4551                 }
4552                 else if( MKV_IS_ID( l, KaxVideoFrameRate ) )
4553                 {
4554                     KaxVideoFrameRate &vfps = *(KaxVideoFrameRate*)l;
4555
4556                     tk->f_fps = float( vfps );
4557                     msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( vfps ) );
4558                 }
4559                 else if( EbmlId( *l ) == KaxVideoDisplayUnit::ClassInfos.GlobalId )
4560                 {
4561                     KaxVideoDisplayUnit &vdmode = *(KaxVideoDisplayUnit*)l;
4562
4563                     i_display_unit = uint8( vdmode );
4564                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Display Unit=%s",
4565                              uint8( vdmode ) == 0 ? "pixels" : ( uint8( vdmode ) == 1 ? "centimeters": "inches" ) );
4566                 }
4567 //                else if( EbmlId( *l ) == KaxVideoAspectRatio::ClassInfos.GlobalId )
4568 //                {
4569 //                    KaxVideoAspectRatio &ratio = *(KaxVideoAspectRatio*)l;
4570
4571 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + Track Video Aspect Ratio Type=%u", uint8( ratio ) );
4572 //                }
4573 //                else if( EbmlId( *l ) == KaxVideoGamma::ClassInfos.GlobalId )
4574 //                {
4575 //                    KaxVideoGamma &gamma = *(KaxVideoGamma*)l;
4576
4577 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + gamma=%f", float( gamma ) );
4578 //                }
4579                 else
4580                 {
4581                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4582                 }
4583             }
4584             if( i_display_height && i_display_width )
4585                 tk->fmt.video.i_aspect = VOUT_ASPECT_FACTOR * i_display_width / i_display_height;
4586             if( i_crop_left || i_crop_right || i_crop_top || i_crop_bottom )
4587             {
4588                 tk->fmt.video.i_visible_width = tk->fmt.video.i_width;
4589                 tk->fmt.video.i_visible_height = tk->fmt.video.i_height;
4590                 tk->fmt.video.i_x_offset = i_crop_left;
4591                 tk->fmt.video.i_y_offset = i_crop_top;
4592                 tk->fmt.video.i_visible_width -= i_crop_left + i_crop_right;
4593                 tk->fmt.video.i_visible_height -= i_crop_top + i_crop_bottom;
4594             }
4595             /* FIXME: i_display_* allows you to not only set DAR, but also a zoom factor.
4596                we do not support this atm */
4597         }
4598         else  if( MKV_IS_ID( l, KaxTrackAudio ) )
4599         {
4600             EbmlMaster *tka = static_cast<EbmlMaster*>(l);
4601             unsigned int j;
4602
4603             msg_Dbg( &sys.demuxer, "|   |   |   + Track Audio" );
4604
4605             for( j = 0; j < tka->ListSize(); j++ )
4606             {
4607                 EbmlElement *l = (*tka)[j];
4608
4609                 if( MKV_IS_ID( l, KaxAudioSamplingFreq ) )
4610                 {
4611                     KaxAudioSamplingFreq &afreq = *(KaxAudioSamplingFreq*)l;
4612
4613                     tk->i_original_rate = tk->fmt.audio.i_rate = (int)float( afreq );
4614                     msg_Dbg( &sys.demuxer, "|   |   |   |   + afreq=%d", tk->fmt.audio.i_rate );
4615                 }
4616                 else if( MKV_IS_ID( l, KaxAudioOutputSamplingFreq ) )
4617                 {
4618                     KaxAudioOutputSamplingFreq &afreq = *(KaxAudioOutputSamplingFreq*)l;
4619
4620                     tk->fmt.audio.i_rate = (int)float( afreq );
4621                     msg_Dbg( &sys.demuxer, "|   |   |   |   + aoutfreq=%d", tk->fmt.audio.i_rate );
4622                 }
4623                 else if( MKV_IS_ID( l, KaxAudioChannels ) )
4624                 {
4625                     KaxAudioChannels &achan = *(KaxAudioChannels*)l;
4626
4627                     tk->fmt.audio.i_channels = uint8( achan );
4628                     msg_Dbg( &sys.demuxer, "|   |   |   |   + achan=%u", uint8( achan ) );
4629                 }
4630                 else if( MKV_IS_ID( l, KaxAudioBitDepth ) )
4631                 {
4632                     KaxAudioBitDepth &abits = *(KaxAudioBitDepth*)l;
4633
4634                     tk->fmt.audio.i_bitspersample = uint8( abits );
4635                     msg_Dbg( &sys.demuxer, "|   |   |   |   + abits=%u", uint8( abits ) );
4636                 }
4637                 else
4638                 {
4639                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4640                 }
4641             }
4642         }
4643         else
4644         {
4645             msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)",
4646                      typeid(*l).name() );
4647         }
4648     }
4649
4650     if ( bSupported )
4651     {
4652         tracks.push_back( tk );
4653     }
4654     else
4655     {
4656         msg_Err( &sys.demuxer, "Track Entry %d not supported", tk->i_number );
4657         delete tk;
4658     }
4659 }
4660
4661 /*****************************************************************************
4662  * ParseTracks:
4663  *****************************************************************************/
4664 void matroska_segment_c::ParseTracks( KaxTracks *tracks )
4665 {
4666     EbmlElement *el;
4667     unsigned int i;
4668     int i_upper_level = 0;
4669
4670     msg_Dbg( &sys.demuxer, "|   + Tracks" );
4671
4672     /* Master elements */
4673     tracks->Read( es, tracks->Generic().Context, i_upper_level, el, true );
4674
4675     for( i = 0; i < tracks->ListSize(); i++ )
4676     {
4677         EbmlElement *l = (*tracks)[i];
4678
4679         if( MKV_IS_ID( l, KaxTrackEntry ) )
4680         {
4681             ParseTrackEntry( static_cast<KaxTrackEntry *>(l) );
4682         }
4683         else
4684         {
4685             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4686         }
4687     }
4688 }
4689
4690 /*****************************************************************************
4691  * ParseInfo:
4692  *****************************************************************************/
4693 void matroska_segment_c::ParseInfo( KaxInfo *info )
4694 {
4695     EbmlElement *el;
4696     EbmlMaster  *m;
4697     size_t i, j;
4698     int i_upper_level = 0;
4699
4700     msg_Dbg( &sys.demuxer, "|   + Information" );
4701
4702     /* Master elements */
4703     m = static_cast<EbmlMaster *>(info);
4704     m->Read( es, info->Generic().Context, i_upper_level, el, true );
4705
4706     for( i = 0; i < m->ListSize(); i++ )
4707     {
4708         EbmlElement *l = (*m)[i];
4709
4710         if( MKV_IS_ID( l, KaxSegmentUID ) )
4711         {
4712             if ( p_segment_uid == NULL )
4713                 p_segment_uid = new KaxSegmentUID(*static_cast<KaxSegmentUID*>(l));
4714
4715             msg_Dbg( &sys.demuxer, "|   |   + UID=%d", *(uint32*)p_segment_uid->GetBuffer() );
4716         }
4717         else if( MKV_IS_ID( l, KaxPrevUID ) )
4718         {
4719             if ( p_prev_segment_uid == NULL )
4720                 p_prev_segment_uid = new KaxPrevUID(*static_cast<KaxPrevUID*>(l));
4721
4722             msg_Dbg( &sys.demuxer, "|   |   + PrevUID=%d", *(uint32*)p_prev_segment_uid->GetBuffer() );
4723         }
4724         else if( MKV_IS_ID( l, KaxNextUID ) )
4725         {
4726             if ( p_next_segment_uid == NULL )
4727                 p_next_segment_uid = new KaxNextUID(*static_cast<KaxNextUID*>(l));
4728
4729             msg_Dbg( &sys.demuxer, "|   |   + NextUID=%d", *(uint32*)p_next_segment_uid->GetBuffer() );
4730         }
4731         else if( MKV_IS_ID( l, KaxTimecodeScale ) )
4732         {
4733             KaxTimecodeScale &tcs = *(KaxTimecodeScale*)l;
4734
4735             i_timescale = uint64(tcs);
4736
4737             msg_Dbg( &sys.demuxer, "|   |   + TimecodeScale="I64Fd,
4738                      i_timescale );
4739         }
4740         else if( MKV_IS_ID( l, KaxDuration ) )
4741         {
4742             KaxDuration &dur = *(KaxDuration*)l;
4743
4744             i_duration = mtime_t( double( dur ) );
4745
4746             msg_Dbg( &sys.demuxer, "|   |   + Duration="I64Fd,
4747                      i_duration );
4748         }
4749         else if( MKV_IS_ID( l, KaxMuxingApp ) )
4750         {
4751             KaxMuxingApp &mapp = *(KaxMuxingApp*)l;
4752
4753             psz_muxing_application = ToUTF8( UTFstring( mapp ) );
4754
4755             msg_Dbg( &sys.demuxer, "|   |   + Muxing Application=%s",
4756                      psz_muxing_application );
4757         }
4758         else if( MKV_IS_ID( l, KaxWritingApp ) )
4759         {
4760             KaxWritingApp &wapp = *(KaxWritingApp*)l;
4761
4762             psz_writing_application = ToUTF8( UTFstring( wapp ) );
4763
4764             msg_Dbg( &sys.demuxer, "|   |   + Writing Application=%s",
4765                      psz_writing_application );
4766         }
4767         else if( MKV_IS_ID( l, KaxSegmentFilename ) )
4768         {
4769             KaxSegmentFilename &sfn = *(KaxSegmentFilename*)l;
4770
4771             psz_segment_filename = ToUTF8( UTFstring( sfn ) );
4772
4773             msg_Dbg( &sys.demuxer, "|   |   + Segment Filename=%s",
4774                      psz_segment_filename );
4775         }
4776         else if( MKV_IS_ID( l, KaxTitle ) )
4777         {
4778             KaxTitle &title = *(KaxTitle*)l;
4779
4780             psz_title = ToUTF8( UTFstring( title ) );
4781
4782             msg_Dbg( &sys.demuxer, "|   |   + Title=%s", psz_title );
4783         }
4784         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
4785         {
4786             KaxSegmentFamily *uid = static_cast<KaxSegmentFamily*>(l);
4787
4788             families.push_back( new KaxSegmentFamily(*uid) );
4789
4790             msg_Dbg( &sys.demuxer, "|   |   + family=%d", *(uint32*)uid->GetBuffer() );
4791         }
4792 #if defined( HAVE_GMTIME_R ) && !defined( __APPLE__ )
4793         else if( MKV_IS_ID( l, KaxDateUTC ) )
4794         {
4795             KaxDateUTC &date = *(KaxDateUTC*)l;
4796             time_t i_date;
4797             struct tm tmres;
4798             char   buffer[256];
4799
4800             i_date = date.GetEpochDate();
4801             memset( buffer, 0, 256 );
4802             if( gmtime_r( &i_date, &tmres ) &&
4803                 asctime_r( &tmres, buffer ) )
4804             {
4805                 buffer[strlen( buffer)-1]= '\0';
4806                 psz_date_utc = strdup( buffer );
4807                 msg_Dbg( &sys.demuxer, "|   |   + Date=%s", psz_date_utc );
4808             }
4809         }
4810 #endif
4811 #if LIBMATROSKA_VERSION >= 0x000704
4812         else if( MKV_IS_ID( l, KaxChapterTranslate ) )
4813         {
4814             KaxChapterTranslate *p_trans = static_cast<KaxChapterTranslate*>( l );
4815             chapter_translation_c *p_translate = new chapter_translation_c();
4816
4817             p_trans->Read( es, p_trans->Generic().Context, i_upper_level, el, true );
4818             for( j = 0; j < p_trans->ListSize(); j++ )
4819             {
4820                 EbmlElement *l = (*p_trans)[j];
4821
4822                 if( MKV_IS_ID( l, KaxChapterTranslateEditionUID ) )
4823                 {
4824                     p_translate->editions.push_back( uint64( *static_cast<KaxChapterTranslateEditionUID*>( l ) ) );
4825                 }
4826                 else if( MKV_IS_ID( l, KaxChapterTranslateCodec ) )
4827                 {
4828                     p_translate->codec_id = uint32( *static_cast<KaxChapterTranslateCodec*>( l ) );
4829                 }
4830                 else if( MKV_IS_ID( l, KaxChapterTranslateID ) )
4831                 {
4832                     p_translate->p_translated = new KaxChapterTranslateID( *static_cast<KaxChapterTranslateID*>( l ) );
4833                 }
4834             }
4835
4836             translations.push_back( p_translate );
4837         }
4838 #endif
4839         else
4840         {
4841             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4842         }
4843     }
4844
4845     double f_dur = double(i_duration) * double(i_timescale) / 1000000.0;
4846     i_duration = mtime_t(f_dur);
4847 }
4848
4849
4850 /*****************************************************************************
4851  * ParseChapterAtom
4852  *****************************************************************************/
4853 void matroska_segment_c::ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters )
4854 {
4855     size_t i, j;
4856
4857     msg_Dbg( &sys.demuxer, "|   |   |   + ChapterAtom (level=%d)", i_level );
4858     for( i = 0; i < ca->ListSize(); i++ )
4859     {
4860         EbmlElement *l = (*ca)[i];
4861
4862         if( MKV_IS_ID( l, KaxChapterUID ) )
4863         {
4864             chapters.i_uid = uint64_t(*(KaxChapterUID*)l);
4865             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterUID: %lld", chapters.i_uid );
4866         }
4867         else if( MKV_IS_ID( l, KaxChapterFlagHidden ) )
4868         {
4869             KaxChapterFlagHidden &flag =*(KaxChapterFlagHidden*)l;
4870             chapters.b_display_seekpoint = uint8( flag ) == 0;
4871
4872             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterFlagHidden: %s", chapters.b_display_seekpoint ? "no":"yes" );
4873         }
4874         else if( MKV_IS_ID( l, KaxChapterTimeStart ) )
4875         {
4876             KaxChapterTimeStart &start =*(KaxChapterTimeStart*)l;
4877             chapters.i_start_time = uint64( start ) / I64C(1000);
4878
4879             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeStart: %lld", chapters.i_start_time );
4880         }
4881         else if( MKV_IS_ID( l, KaxChapterTimeEnd ) )
4882         {
4883             KaxChapterTimeEnd &end =*(KaxChapterTimeEnd*)l;
4884             chapters.i_end_time = uint64( end ) / I64C(1000);
4885
4886             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeEnd: %lld", chapters.i_end_time );
4887         }
4888         else if( MKV_IS_ID( l, KaxChapterDisplay ) )
4889         {
4890             EbmlMaster *cd = static_cast<EbmlMaster *>(l);
4891
4892             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterDisplay" );
4893             for( j = 0; j < cd->ListSize(); j++ )
4894             {
4895                 EbmlElement *l= (*cd)[j];
4896
4897                 if( MKV_IS_ID( l, KaxChapterString ) )
4898                 {
4899                     int k;
4900
4901                     KaxChapterString &name =*(KaxChapterString*)l;
4902                     for (k = 0; k < i_level; k++)
4903                         chapters.psz_name += '+';
4904                     chapters.psz_name += ' ';
4905                     char *psz_tmp_utf8 = ToUTF8( UTFstring( name ) );
4906                     chapters.psz_name += psz_tmp_utf8;
4907                     chapters.b_user_display = true;
4908
4909                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterString '%s'", psz_tmp_utf8 );
4910                     free( psz_tmp_utf8 );
4911                 }
4912                 else if( MKV_IS_ID( l, KaxChapterLanguage ) )
4913                 {
4914                     KaxChapterLanguage &lang =*(KaxChapterLanguage*)l;
4915                     const char *psz = string( lang ).c_str();
4916
4917                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterLanguage '%s'", psz );
4918                 }
4919                 else if( MKV_IS_ID( l, KaxChapterCountry ) )
4920                 {
4921                     KaxChapterCountry &ct =*(KaxChapterCountry*)l;
4922                     const char *psz = string( ct ).c_str();
4923
4924                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterCountry '%s'", psz );
4925                 }
4926             }
4927         }
4928         else if( MKV_IS_ID( l, KaxChapterProcess ) )
4929         {
4930             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterProcess" );
4931
4932             KaxChapterProcess *cp = static_cast<KaxChapterProcess *>(l);
4933             chapter_codec_cmds_c *p_ccodec = NULL;
4934
4935             for( j = 0; j < cp->ListSize(); j++ )
4936             {
4937                 EbmlElement *k= (*cp)[j];
4938
4939                 if( MKV_IS_ID( k, KaxChapterProcessCodecID ) )
4940                 {
4941                     KaxChapterProcessCodecID *p_codec_id = static_cast<KaxChapterProcessCodecID*>( k );
4942                     if ( uint32(*p_codec_id) == 0 )
4943                         p_ccodec = new matroska_script_codec_c( sys );
4944                     else if ( uint32(*p_codec_id) == 1 )
4945                         p_ccodec = new dvd_chapter_codec_c( sys );
4946                     break;
4947                 }
4948             }
4949
4950             if ( p_ccodec != NULL )
4951             {
4952                 for( j = 0; j < cp->ListSize(); j++ )
4953                 {
4954                     EbmlElement *k= (*cp)[j];
4955
4956                     if( MKV_IS_ID( k, KaxChapterProcessPrivate ) )
4957                     {
4958                         KaxChapterProcessPrivate * p_private = static_cast<KaxChapterProcessPrivate*>( k );
4959                         p_ccodec->SetPrivate( *p_private );
4960                     }
4961                     else if( MKV_IS_ID( k, KaxChapterProcessCommand ) )
4962                     {
4963                         p_ccodec->AddCommand( *static_cast<KaxChapterProcessCommand*>( k ) );
4964                     }
4965                 }
4966                 chapters.codecs.push_back( p_ccodec );
4967             }
4968         }
4969         else if( MKV_IS_ID( l, KaxChapterAtom ) )
4970         {
4971             chapter_item_c *new_sub_chapter = new chapter_item_c();
4972             ParseChapterAtom( i_level+1, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4973             new_sub_chapter->psz_parent = &chapters;
4974             chapters.sub_chapters.push_back( new_sub_chapter );
4975         }
4976     }
4977 }
4978
4979 /*****************************************************************************
4980  * ParseAttachments:
4981  *****************************************************************************/
4982 void matroska_segment_c::ParseAttachments( KaxAttachments *attachments )
4983 {
4984     EbmlElement *el;
4985     int i_upper_level = 0;
4986
4987     attachments->Read( es, attachments->Generic().Context, i_upper_level, el, true );
4988
4989     KaxAttached *attachedFile = FindChild<KaxAttached>( *attachments );
4990
4991     while( attachedFile && ( attachedFile->GetSize() > 0 ) )
4992     {
4993         std::string psz_mime_type  = GetChild<KaxMimeType>( *attachedFile );
4994         KaxFileName  &file_name    = GetChild<KaxFileName>( *attachedFile );
4995         KaxFileData  &img_data     = GetChild<KaxFileData>( *attachedFile );
4996
4997         attachment_c *new_attachment = new attachment_c();
4998
4999         if( new_attachment )
5000         {
5001             new_attachment->psz_file_name  = ToUTF8( UTFstring( file_name ) );
5002             new_attachment->psz_mime_type  = psz_mime_type;
5003             new_attachment->i_size         = img_data.GetSize();
5004             new_attachment->p_data         = malloc( img_data.GetSize() );
5005
5006             if( new_attachment->p_data )
5007             {
5008                 memcpy( new_attachment->p_data, img_data.GetBuffer(), img_data.GetSize() );
5009                 sys.stored_attachments.push_back( new_attachment );
5010             }
5011             else
5012             {
5013                 delete new_attachment;
5014             }
5015         }
5016
5017         attachedFile = &GetNextChild<KaxAttached>( *attachments, *attachedFile );
5018     }
5019 }
5020
5021 /*****************************************************************************
5022  * ParseChapters:
5023  *****************************************************************************/
5024 void matroska_segment_c::ParseChapters( KaxChapters *chapters )
5025 {
5026     EbmlElement *el;
5027     size_t i;
5028     int i_upper_level = 0;
5029     mtime_t i_dur;
5030
5031     /* Master elements */
5032     chapters->Read( es, chapters->Generic().Context, i_upper_level, el, true );
5033
5034     for( i = 0; i < chapters->ListSize(); i++ )
5035     {
5036         EbmlElement *l = (*chapters)[i];
5037
5038         if( MKV_IS_ID( l, KaxEditionEntry ) )
5039         {
5040             chapter_edition_c *p_edition = new chapter_edition_c();
5041
5042             EbmlMaster *E = static_cast<EbmlMaster *>(l );
5043             size_t j;
5044             msg_Dbg( &sys.demuxer, "|   |   + EditionEntry" );
5045             for( j = 0; j < E->ListSize(); j++ )
5046             {
5047                 EbmlElement *l = (*E)[j];
5048
5049                 if( MKV_IS_ID( l, KaxChapterAtom ) )
5050                 {
5051                     chapter_item_c *new_sub_chapter = new chapter_item_c();
5052                     ParseChapterAtom( 0, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
5053                     p_edition->sub_chapters.push_back( new_sub_chapter );
5054                 }
5055                 else if( MKV_IS_ID( l, KaxEditionUID ) )
5056                 {
5057                     p_edition->i_uid = uint64(*static_cast<KaxEditionUID *>( l ));
5058                 }
5059                 else if( MKV_IS_ID( l, KaxEditionFlagOrdered ) )
5060                 {
5061                     p_edition->b_ordered = config_GetInt( &sys.demuxer, "mkv-use-ordered-chapters" ) ? (uint8(*static_cast<KaxEditionFlagOrdered *>( l )) != 0) : 0;
5062                 }
5063                 else if( MKV_IS_ID( l, KaxEditionFlagDefault ) )
5064                 {
5065                     if (uint8(*static_cast<KaxEditionFlagDefault *>( l )) != 0)
5066                         i_default_edition = stored_editions.size();
5067                 }
5068                 else
5069                 {
5070                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
5071                 }
5072             }
5073             stored_editions.push_back( p_edition );
5074         }
5075         else
5076         {
5077             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
5078         }
5079     }
5080
5081     for( i = 0; i < stored_editions.size(); i++ )
5082     {
5083         stored_editions[i]->RefreshChapters( );
5084     }
5085
5086     if ( stored_editions.size() != 0 && stored_editions[i_default_edition]->b_ordered )
5087     {
5088         /* update the duration of the segment according to the sum of all sub chapters */
5089         i_dur = stored_editions[i_default_edition]->Duration() / I64C(1000);
5090         if (i_dur > 0)
5091             i_duration = i_dur;
5092     }
5093 }
5094
5095 void matroska_segment_c::ParseCluster( )
5096 {
5097     EbmlElement *el;
5098     EbmlMaster  *m;
5099     unsigned int i;
5100     int i_upper_level = 0;
5101
5102     /* Master elements */
5103     m = static_cast<EbmlMaster *>( cluster );
5104     m->Read( es, cluster->Generic().Context, i_upper_level, el, true );
5105
5106     for( i = 0; i < m->ListSize(); i++ )
5107     {
5108         EbmlElement *l = (*m)[i];
5109
5110         if( MKV_IS_ID( l, KaxClusterTimecode ) )
5111         {
5112             KaxClusterTimecode &ctc = *(KaxClusterTimecode*)l;
5113
5114             cluster->InitTimecode( uint64( ctc ), i_timescale );
5115             break;
5116         }
5117     }
5118
5119     i_start_time = cluster->GlobalTimecode() / 1000;
5120 }
5121
5122 /*****************************************************************************
5123  * InformationCreate:
5124  *****************************************************************************/
5125 void matroska_segment_c::InformationCreate( )
5126 {
5127     sys.meta = vlc_meta_New();
5128
5129     if( psz_title )
5130     {
5131         vlc_meta_SetTitle( sys.meta, psz_title );
5132     }
5133     if( psz_date_utc )
5134     {
5135         vlc_meta_SetDate( sys.meta, psz_date_utc );
5136     }
5137 #if 0
5138     if( psz_segment_filename )
5139     {
5140         fprintf( stderr, "***** WARNING: Unhandled meta - Use custom\n" );
5141     }
5142     if( psz_muxing_application )
5143     {
5144         fprintf( stderr, "***** WARNING: Unhandled meta - Use custom\n" );
5145     }
5146     if( psz_writing_application )
5147     {
5148         fprintf( stderr, "***** WARNING: Unhandled meta - Use custom\n" );
5149     }
5150
5151     for( size_t i_track = 0; i_track < tracks.size(); i_track++ )
5152     {
5153 //        mkv_track_t *tk = tracks[i_track];
5154 //        vlc_meta_t *mtk = vlc_meta_New();
5155         fprintf( stderr, "***** WARNING: Unhandled child meta\n");
5156     }
5157 #endif
5158
5159     if( i_tags_position >= 0 )
5160     {
5161         vlc_bool_t b_seekable;
5162
5163         stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
5164         if( b_seekable )
5165         {
5166             LoadTags( );
5167         }
5168     }
5169 }
5170
5171
5172 /*****************************************************************************
5173  * Divers
5174  *****************************************************************************/
5175
5176 void matroska_segment_c::IndexAppendCluster( KaxCluster *cluster )
5177 {
5178 #define idx p_indexes[i_index]
5179     idx.i_track       = -1;
5180     idx.i_block_number= -1;
5181     idx.i_position    = cluster->GetElementPosition();
5182     idx.i_time        = -1;
5183     idx.b_key         = VLC_TRUE;
5184
5185     i_index++;
5186     if( i_index >= i_index_max )
5187     {
5188         i_index_max += 1024;
5189         p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
5190     }
5191 #undef idx
5192 }
5193
5194 void chapter_edition_c::RefreshChapters( )
5195 {
5196     chapter_item_c::RefreshChapters( b_ordered, -1 );
5197     b_display_seekpoint = false;
5198 }
5199
5200 int64_t chapter_item_c::RefreshChapters( bool b_ordered, int64_t i_prev_user_time )
5201 {
5202     int64_t i_user_time = i_prev_user_time;
5203
5204     // first the sub-chapters, and then ourself
5205     std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
5206     while ( index != sub_chapters.end() )
5207     {
5208         i_user_time = (*index)->RefreshChapters( b_ordered, i_user_time );
5209         index++;
5210     }
5211
5212     if ( b_ordered )
5213     {
5214         // the ordered chapters always start at zero
5215         if ( i_prev_user_time == -1 )
5216         {
5217             if ( i_user_time == -1 )
5218                 i_user_time = 0;
5219             i_prev_user_time = 0;
5220         }
5221
5222         i_user_start_time = i_prev_user_time;
5223         if ( i_end_time != -1 && i_user_time == i_prev_user_time )
5224         {
5225             i_user_end_time = i_user_start_time - i_start_time + i_end_time;
5226         }
5227         else
5228         {
5229             i_user_end_time = i_user_time;
5230         }
5231     }
5232     else
5233     {
5234         if ( sub_chapters.begin() != sub_chapters.end() )
5235             std::sort( sub_chapters.begin(), sub_chapters.end(), chapter_item_c::CompareTimecode );
5236         i_user_start_time = i_start_time;
5237         if ( i_end_time != -1 )
5238             i_user_end_time = i_end_time;
5239         else if ( i_user_time != -1 )
5240             i_user_end_time = i_user_time;
5241         else
5242             i_user_end_time = i_user_start_time;
5243     }
5244
5245     return i_user_end_time;
5246 }
5247
5248 mtime_t chapter_edition_c::Duration() const
5249 {
5250     mtime_t i_result = 0;
5251
5252     if ( sub_chapters.size() )
5253     {
5254         std::vector<chapter_item_c*>::const_iterator index = sub_chapters.end();
5255         index--;
5256         i_result = (*index)->i_user_end_time;
5257     }
5258
5259     return i_result;
5260 }
5261
5262 chapter_item_c * chapter_edition_c::FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current )
5263 {
5264     if ( !b_ordered )
5265         p_current = NULL;
5266     bool b_found_current = false;
5267     return chapter_item_c::FindTimecode( i_timecode, p_current, b_found_current );
5268 }
5269
5270 chapter_item_c *chapter_item_c::FindTimecode( mtime_t i_user_timecode, const chapter_item_c * p_current, bool & b_found )
5271 {
5272     chapter_item_c *psz_result = NULL;
5273
5274     if ( p_current == this )
5275         b_found = true;
5276
5277     if ( i_user_timecode >= i_user_start_time &&
5278         ( i_user_timecode < i_user_end_time ||
5279           ( i_user_start_time == i_user_end_time && i_user_timecode == i_user_end_time )))
5280     {
5281         std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
5282         while ( index != sub_chapters.end() && ((p_current == NULL && psz_result == NULL) || (p_current != NULL && (!b_found || psz_result == NULL))))
5283         {
5284             psz_result = (*index)->FindTimecode( i_user_timecode, p_current, b_found );
5285             index++;
5286         }
5287
5288         if ( psz_result == NULL )
5289             psz_result = this;
5290     }
5291
5292     return psz_result;
5293 }
5294
5295 bool chapter_item_c::ParentOf( const chapter_item_c & item ) const
5296 {
5297     if ( &item == this )
5298         return true;
5299
5300     std::vector<chapter_item_c*>::const_iterator index = sub_chapters.begin();
5301     while ( index != sub_chapters.end() )
5302     {
5303         if ( (*index)->ParentOf( item ) )
5304             return true;
5305         index++;
5306     }
5307
5308     return false;
5309 }
5310
5311 void demux_sys_t::PreloadFamily( const matroska_segment_c & of_segment )
5312 {
5313     for (size_t i=0; i<opened_segments.size(); i++)
5314     {
5315         opened_segments[i]->PreloadFamily( of_segment );
5316     }
5317 }
5318 bool matroska_segment_c::PreloadFamily( const matroska_segment_c & of_segment )
5319 {
5320     if ( b_preloaded )
5321         return false;
5322
5323     for (size_t i=0; i<families.size(); i++)
5324     {
5325         for (size_t j=0; j<of_segment.families.size(); j++)
5326         {
5327             if ( *(families[i]) == *(of_segment.families[j]) )
5328                 return Preload( );
5329         }
5330     }
5331
5332     return false;
5333 }
5334
5335 // preload all the linked segments for all preloaded segments
5336 void demux_sys_t::PreloadLinked( matroska_segment_c *p_segment )
5337 {
5338     size_t i_preloaded, i, j;
5339     virtual_segment_c *p_seg;
5340
5341     p_current_segment = VirtualFromSegments( p_segment );
5342
5343     used_segments.push_back( p_current_segment );
5344
5345     // create all the other virtual segments of the family
5346     do {
5347         i_preloaded = 0;
5348         for ( i=0; i< opened_segments.size(); i++ )
5349         {
5350             if ( opened_segments[i]->b_preloaded && !IsUsedSegment( *opened_segments[i] ) )
5351             {
5352                 p_seg = VirtualFromSegments( opened_segments[i] );
5353                 used_segments.push_back( p_seg );
5354                 i_preloaded++;
5355             }
5356         }
5357     } while ( i_preloaded ); // worst case: will stop when all segments are found as family related
5358
5359     // publish all editions of all usable segment
5360     for ( i=0; i< used_segments.size(); i++ )
5361     {
5362         p_seg = used_segments[i];
5363         if ( p_seg->p_editions != NULL )
5364         {
5365             std::string sz_name;
5366             input_title_t *p_title = vlc_input_title_New();
5367             p_seg->i_sys_title = i;
5368             int i_chapters;
5369
5370             // TODO use a name for each edition, let the TITLE deal with a codec name
5371             for ( j=0; j<p_seg->p_editions->size(); j++ )
5372             {
5373                 if ( p_title->psz_name == NULL )
5374                 {
5375                     sz_name = (*p_seg->p_editions)[j]->GetMainName();
5376                     if ( sz_name != "" )
5377                         p_title->psz_name = strdup( sz_name.c_str() );
5378                 }
5379
5380                 chapter_edition_c *p_edition = (*p_seg->p_editions)[j];
5381
5382                 i_chapters = 0;
5383                 p_edition->PublishChapters( *p_title, i_chapters, 0 );
5384             }
5385
5386             // create a name if there is none
5387             if ( p_title->psz_name == NULL )
5388             {
5389                 sz_name = N_("Segment");
5390                 char psz_str[6];
5391                 sprintf( psz_str, " %d", (int)i );
5392                 sz_name += psz_str;
5393                 p_title->psz_name = strdup( sz_name.c_str() );
5394             }
5395
5396             titles.push_back( p_title );
5397         }
5398     }
5399
5400     // TODO decide which segment should be first used (VMG for DVD)
5401 }
5402
5403 bool demux_sys_t::IsUsedSegment( matroska_segment_c &segment ) const
5404 {
5405     for ( size_t i=0; i< used_segments.size(); i++ )
5406     {
5407         if ( used_segments[i]->FindUID( *segment.p_segment_uid ) )
5408             return true;
5409     }
5410     return false;
5411 }
5412
5413 virtual_segment_c *demux_sys_t::VirtualFromSegments( matroska_segment_c *p_segment ) const
5414 {
5415     size_t i_preloaded, i;
5416
5417     virtual_segment_c *p_result = new virtual_segment_c( p_segment );
5418
5419     // fill our current virtual segment with all hard linked segments
5420     do {
5421         i_preloaded = 0;
5422         for ( i=0; i< opened_segments.size(); i++ )
5423         {
5424             i_preloaded += p_result->AddSegment( opened_segments[i] );
5425         }
5426     } while ( i_preloaded ); // worst case: will stop when all segments are found as linked
5427
5428     p_result->Sort( );
5429
5430     p_result->PreloadLinked( );
5431
5432     p_result->PrepareChapters( );
5433
5434     return p_result;
5435 }
5436
5437 bool demux_sys_t::PreparePlayback( virtual_segment_c *p_new_segment )
5438 {
5439     if ( p_new_segment != NULL && p_new_segment != p_current_segment )
5440     {
5441         if ( p_current_segment != NULL && p_current_segment->Segment() != NULL )
5442             p_current_segment->Segment()->UnSelect();
5443
5444         p_current_segment = p_new_segment;
5445         i_current_title = p_new_segment->i_sys_title;
5446     }
5447
5448     p_current_segment->LoadCues();
5449     f_duration = p_current_segment->Duration();
5450
5451     /* add information */
5452     p_current_segment->Segment()->InformationCreate( );
5453
5454     p_current_segment->Segment()->Select( 0 );
5455
5456     return true;
5457 }
5458
5459 void demux_sys_t::JumpTo( virtual_segment_c & vsegment, chapter_item_c * p_chapter )
5460 {
5461     // if the segment is not part of the current segment, select the new one
5462     if ( &vsegment != p_current_segment )
5463     {
5464         PreparePlayback( &vsegment );
5465     }
5466
5467     if ( p_chapter != NULL )
5468     {
5469         if ( !p_chapter->Enter( true ) )
5470         {
5471             // jump to the location in the found segment
5472             vsegment.Seek( demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5473         }
5474     }
5475
5476 }
5477
5478 bool matroska_segment_c::CompareSegmentUIDs( const matroska_segment_c * p_item_a, const matroska_segment_c * p_item_b )
5479 {
5480     EbmlBinary *p_tmp;
5481
5482     if ( p_item_a == NULL || p_item_b == NULL )
5483         return false;
5484
5485     p_tmp = (EbmlBinary *)p_item_a->p_segment_uid;
5486     if ( p_item_b->p_prev_segment_uid != NULL
5487           && *p_tmp == *p_item_b->p_prev_segment_uid )
5488         return true;
5489
5490     p_tmp = (EbmlBinary *)p_item_a->p_next_segment_uid;
5491     if ( !p_tmp )
5492         return false;
5493
5494     if ( p_item_b->p_segment_uid != NULL
5495           && *p_tmp == *p_item_b->p_segment_uid )
5496         return true;
5497
5498     if ( p_item_b->p_prev_segment_uid != NULL
5499           && *p_tmp == *p_item_b->p_prev_segment_uid )
5500         return true;
5501
5502     return false;
5503 }
5504
5505 bool matroska_segment_c::Preload( )
5506 {
5507     if ( b_preloaded )
5508         return false;
5509
5510     EbmlElement *el = NULL;
5511
5512     ep->Reset( &sys.demuxer );
5513
5514     while( ( el = ep->Get() ) != NULL )
5515     {
5516         if( MKV_IS_ID( el, KaxInfo ) )
5517         {
5518             ParseInfo( static_cast<KaxInfo*>( el ) );
5519         }
5520         else if( MKV_IS_ID( el, KaxTracks ) )
5521         {
5522             ParseTracks( static_cast<KaxTracks*>( el ) );
5523             if ( tracks.size() == 0 )
5524             {
5525                 msg_Err( &sys.demuxer, "No tracks supported" );
5526                 return false;
5527             }
5528         }
5529         else if( MKV_IS_ID( el, KaxSeekHead ) )
5530         {
5531             ParseSeekHead( static_cast<KaxSeekHead*>( el ) );
5532         }
5533         else if( MKV_IS_ID( el, KaxCues ) )
5534         {
5535             msg_Dbg( &sys.demuxer, "|   + Cues" );
5536         }
5537         else if( MKV_IS_ID( el, KaxCluster ) )
5538         {
5539             msg_Dbg( &sys.demuxer, "|   + Cluster" );
5540
5541             cluster = (KaxCluster*)el;
5542
5543             i_cluster_pos = i_start_pos = cluster->GetElementPosition();
5544             ParseCluster( );
5545
5546             ep->Down();
5547             /* stop parsing the stream */
5548             break;
5549         }
5550         else if( MKV_IS_ID( el, KaxAttachments ) )
5551         {
5552             msg_Dbg( &sys.demuxer, "|   + Attachments" );
5553             ParseAttachments( static_cast<KaxAttachments*>( el ) );
5554         }
5555         else if( MKV_IS_ID( el, KaxChapters ) )
5556         {
5557             msg_Dbg( &sys.demuxer, "|   + Chapters" );
5558             ParseChapters( static_cast<KaxChapters*>( el ) );
5559         }
5560         else if( MKV_IS_ID( el, KaxTag ) )
5561         {
5562             msg_Dbg( &sys.demuxer, "|   + Tags FIXME TODO" );
5563         }
5564         else
5565         {
5566             msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid(*el).name() );
5567         }
5568     }
5569
5570     b_preloaded = true;
5571
5572     return true;
5573 }
5574
5575 matroska_segment_c *demux_sys_t::FindSegment( const EbmlBinary & uid ) const
5576 {
5577     for (size_t i=0; i<opened_segments.size(); i++)
5578     {
5579         if ( *opened_segments[i]->p_segment_uid == uid )
5580             return opened_segments[i];
5581     }
5582     return NULL;
5583 }
5584
5585 chapter_item_c *demux_sys_t::BrowseCodecPrivate( unsigned int codec_id,
5586                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
5587                                         const void *p_cookie,
5588                                         size_t i_cookie_size,
5589                                         virtual_segment_c * &p_segment_found )
5590 {
5591     chapter_item_c *p_result = NULL;
5592     for (size_t i=0; i<used_segments.size(); i++)
5593     {
5594         p_result = used_segments[i]->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
5595         if ( p_result != NULL )
5596         {
5597             p_segment_found = used_segments[i];
5598             break;
5599         }
5600     }
5601     return p_result;
5602 }
5603
5604 chapter_item_c *demux_sys_t::FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found )
5605 {
5606     chapter_item_c *p_result = NULL;
5607     for (size_t i=0; i<used_segments.size(); i++)
5608     {
5609         p_result = used_segments[i]->FindChapter( i_find_uid );
5610         if ( p_result != NULL )
5611         {
5612             p_segment_found = used_segments[i];
5613             break;
5614         }
5615     }
5616     return p_result;
5617 }
5618
5619 void virtual_segment_c::Sort()
5620 {
5621     // keep the current segment index
5622     matroska_segment_c *p_segment = linked_segments[i_current_segment];
5623
5624     std::sort( linked_segments.begin(), linked_segments.end(), matroska_segment_c::CompareSegmentUIDs );
5625
5626     for ( i_current_segment=0; i_current_segment<linked_segments.size(); i_current_segment++)
5627         if ( linked_segments[i_current_segment] == p_segment )
5628             break;
5629 }
5630
5631 size_t virtual_segment_c::AddSegment( matroska_segment_c *p_segment )
5632 {
5633     size_t i;
5634     // check if it's not already in here
5635     for ( i=0; i<linked_segments.size(); i++ )
5636     {
5637         if ( linked_segments[i]->p_segment_uid != NULL
5638             && p_segment->p_segment_uid != NULL
5639             && *p_segment->p_segment_uid == *linked_segments[i]->p_segment_uid )
5640             return 0;
5641     }
5642
5643     // find possible mates
5644     for ( i=0; i<linked_uids.size(); i++ )
5645     {
5646         if (   (p_segment->p_segment_uid != NULL && *p_segment->p_segment_uid == linked_uids[i])
5647             || (p_segment->p_prev_segment_uid != NULL && *p_segment->p_prev_segment_uid == linked_uids[i])
5648             || (p_segment->p_next_segment_uid !=NULL && *p_segment->p_next_segment_uid == linked_uids[i]) )
5649         {
5650             linked_segments.push_back( p_segment );
5651
5652             AppendUID( p_segment->p_prev_segment_uid );
5653             AppendUID( p_segment->p_next_segment_uid );
5654
5655             return 1;
5656         }
5657     }
5658     return 0;
5659 }
5660
5661 void virtual_segment_c::PreloadLinked( )
5662 {
5663     for ( size_t i=0; i<linked_segments.size(); i++ )
5664     {
5665         linked_segments[i]->Preload( );
5666     }
5667     i_current_edition = linked_segments[0]->i_default_edition;
5668 }
5669
5670 mtime_t virtual_segment_c::Duration() const
5671 {
5672     mtime_t i_duration;
5673     if ( linked_segments.size() == 0 )
5674         i_duration = 0;
5675     else {
5676         matroska_segment_c *p_last_segment = linked_segments[linked_segments.size()-1];
5677 //        p_last_segment->ParseCluster( );
5678
5679         i_duration = p_last_segment->i_start_time / 1000 + p_last_segment->i_duration;
5680     }
5681     return i_duration;
5682 }
5683
5684 void virtual_segment_c::LoadCues( )
5685 {
5686     for ( size_t i=0; i<linked_segments.size(); i++ )
5687     {
5688         linked_segments[i]->LoadCues();
5689     }
5690 }
5691
5692 void virtual_segment_c::AppendUID( const EbmlBinary * p_UID )
5693 {
5694     if ( p_UID == NULL )
5695         return;
5696     if ( p_UID->GetBuffer() == NULL )
5697         return;
5698
5699     for (size_t i=0; i<linked_uids.size(); i++)
5700     {
5701         if ( *p_UID == linked_uids[i] )
5702             return;
5703     }
5704     linked_uids.push_back( *(KaxSegmentUID*)(p_UID) );
5705 }
5706
5707 void matroska_segment_c::Seek( mtime_t i_date, mtime_t i_time_offset )
5708 {
5709     KaxBlock    *block;
5710 #if LIBMATROSKA_VERSION >= 0x000800
5711     KaxSimpleBlock *simpleblock;
5712 #endif
5713     int         i_track_skipping;
5714     int64_t     i_block_duration;
5715     int64_t     i_block_ref1;
5716     int64_t     i_block_ref2;
5717     size_t      i_track;
5718     int64_t     i_seek_position = i_start_pos;
5719     int64_t     i_seek_time = i_start_time;
5720
5721     if ( i_index > 0 )
5722     {
5723         int i_idx = 0;
5724
5725         for( ; i_idx < i_index; i_idx++ )
5726         {
5727             if( p_indexes[i_idx].i_time + i_time_offset > i_date )
5728             {
5729                 break;
5730             }
5731         }
5732
5733         if( i_idx > 0 )
5734         {
5735             i_idx--;
5736         }
5737
5738         i_seek_position = p_indexes[i_idx].i_position;
5739         i_seek_time = p_indexes[i_idx].i_time;
5740     }
5741
5742     msg_Dbg( &sys.demuxer, "seek got "I64Fd" (%d%%)",
5743                 i_seek_time, (int)( 100 * i_seek_position / stream_Size( sys.demuxer.s ) ) );
5744
5745     es.I_O().setFilePointer( i_seek_position, seek_beginning );
5746
5747     delete ep;
5748     ep = new EbmlParser( &es, segment, &sys.demuxer );
5749     cluster = NULL;
5750
5751     sys.i_start_pts = i_date;
5752
5753     es_out_Control( sys.demuxer.out, ES_OUT_RESET_PCR );
5754
5755     /* now parse until key frame */
5756     i_track_skipping = 0;
5757     for( i_track = 0; i_track < tracks.size(); i_track++ )
5758     {
5759         if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5760         {
5761             tracks[i_track]->b_search_keyframe = VLC_TRUE;
5762             i_track_skipping++;
5763         }
5764         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_date );
5765     }
5766
5767
5768     while( i_track_skipping > 0 )
5769     {
5770 #if LIBMATROSKA_VERSION >= 0x000800
5771         if( BlockGet( block, simpleblock, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
5772 #else
5773         if( BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
5774 #endif
5775         {
5776             msg_Warn( &sys.demuxer, "cannot get block EOF?" );
5777
5778             return;
5779         }
5780         ep->Down();
5781
5782         for( i_track = 0; i_track < tracks.size(); i_track++ )
5783         {
5784 #if LIBMATROSKA_VERSION >= 0x000800
5785             if( (simpleblock && tracks[i_track]->i_number == simpleblock->TrackNum()) ||
5786                 (block && tracks[i_track]->i_number == block->TrackNum()) )
5787 #else
5788             if( tracks[i_track]->i_number == block->TrackNum() )
5789 #endif
5790             {
5791                 break;
5792             }
5793         }
5794
5795 #if LIBMATROSKA_VERSION >= 0x000800
5796         if( simpleblock )
5797             sys.i_pts = (sys.i_chapter_time + simpleblock->GlobalTimecode()) / (mtime_t) 1000;
5798         else
5799 #endif
5800             sys.i_pts = (sys.i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
5801
5802         if( i_track < tracks.size() )
5803         {
5804            if( sys.i_pts >= sys.i_start_pts )
5805             {
5806                 cluster = static_cast<KaxCluster*>(ep->UnGet( i_block_pos, i_cluster_pos ));
5807                 i_track_skipping = 0;
5808             }
5809             else if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5810             {
5811                 if( i_block_ref1 == 0 && tracks[i_track]->b_search_keyframe )
5812                 {
5813                     tracks[i_track]->b_search_keyframe = VLC_FALSE;
5814                     i_track_skipping--;
5815                 }
5816                 if( !tracks[i_track]->b_search_keyframe )
5817                 {
5818 #if LIBMATROSKA_VERSION >= 0x000800
5819                     BlockDecode( &sys.demuxer, block, simpleblock, sys.i_pts, 0, i_block_ref1 >= 0 || i_block_ref2 > 0 );
5820 #else
5821                     BlockDecode( &sys.demuxer, block, sys.i_pts, 0, i_block_ref1 >= 0 || i_block_ref2 > 0 );
5822 #endif
5823                 }
5824             }
5825         }
5826
5827         delete block;
5828     }
5829 }
5830
5831 void virtual_segment_c::Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter )
5832 {
5833     demux_sys_t *p_sys = demuxer.p_sys;
5834     size_t i;
5835
5836     // find the actual time for an ordered edition
5837     if ( psz_chapter == NULL )
5838     {
5839         if ( Edition() && Edition()->b_ordered )
5840         {
5841             /* 1st, we need to know in which chapter we are */
5842             psz_chapter = (*p_editions)[i_current_edition]->FindTimecode( i_date, psz_current_chapter );
5843         }
5844     }
5845
5846     if ( psz_chapter != NULL )
5847     {
5848         psz_current_chapter = psz_chapter;
5849         p_sys->i_chapter_time = i_time_offset = psz_chapter->i_user_start_time - psz_chapter->i_start_time;
5850         if ( psz_chapter->i_seekpoint_num > 0 )
5851         {
5852             demuxer.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
5853             demuxer.info.i_title = p_sys->i_current_title = i_sys_title;
5854             demuxer.info.i_seekpoint = psz_chapter->i_seekpoint_num - 1;
5855         }
5856     }
5857
5858     // find the best matching segment
5859     for ( i=0; i<linked_segments.size(); i++ )
5860     {
5861         if ( i_date < linked_segments[i]->i_start_time )
5862             break;
5863     }
5864
5865     if ( i > 0 )
5866         i--;
5867
5868     if ( i_current_segment != i  )
5869     {
5870         linked_segments[i_current_segment]->UnSelect();
5871         linked_segments[i]->Select( i_date );
5872         i_current_segment = i;
5873     }
5874
5875     linked_segments[i]->Seek( i_date, i_time_offset );
5876 }
5877
5878 void chapter_codec_cmds_c::AddCommand( const KaxChapterProcessCommand & command )
5879 {
5880     size_t i;
5881
5882     uint32 codec_time = uint32(-1);
5883     for( i = 0; i < command.ListSize(); i++ )
5884     {
5885         const EbmlElement *k = command[i];
5886
5887         if( MKV_IS_ID( k, KaxChapterProcessTime ) )
5888         {
5889             codec_time = uint32( *static_cast<const KaxChapterProcessTime*>( k ) );
5890             break;
5891         }
5892     }
5893
5894     for( i = 0; i < command.ListSize(); i++ )
5895     {
5896         const EbmlElement *k = command[i];
5897
5898         if( MKV_IS_ID( k, KaxChapterProcessData ) )
5899         {
5900             KaxChapterProcessData *p_data =  new KaxChapterProcessData( *static_cast<const KaxChapterProcessData*>( k ) );
5901             switch ( codec_time )
5902             {
5903             case 0:
5904                 during_cmds.push_back( p_data );
5905                 break;
5906             case 1:
5907                 enter_cmds.push_back( p_data );
5908                 break;
5909             case 2:
5910                 leave_cmds.push_back( p_data );
5911                 break;
5912             default:
5913                 delete p_data;
5914             }
5915         }
5916     }
5917 }
5918
5919 bool chapter_item_c::Enter( bool b_do_subs )
5920 {
5921     bool f_result = false;
5922     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5923     while ( index != codecs.end() )
5924     {
5925         f_result |= (*index)->Enter();
5926         index++;
5927     }
5928
5929     if ( b_do_subs )
5930     {
5931         // sub chapters
5932         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5933         while ( index_ != sub_chapters.end() )
5934         {
5935             f_result |= (*index_)->Enter( true );
5936             index_++;
5937         }
5938     }
5939     return f_result;
5940 }
5941
5942 bool chapter_item_c::Leave( bool b_do_subs )
5943 {
5944     bool f_result = false;
5945     b_is_leaving = true;
5946     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5947     while ( index != codecs.end() )
5948     {
5949         f_result |= (*index)->Leave();
5950         index++;
5951     }
5952
5953     if ( b_do_subs )
5954     {
5955         // sub chapters
5956         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5957         while ( index_ != sub_chapters.end() )
5958         {
5959             f_result |= (*index_)->Leave( true );
5960             index_++;
5961         }
5962     }
5963     b_is_leaving = false;
5964     return f_result;
5965 }
5966
5967 bool chapter_item_c::EnterAndLeave( chapter_item_c *p_item, bool b_final_enter )
5968 {
5969     chapter_item_c *p_common_parent = p_item;
5970
5971     // leave, up to a common parent
5972     while ( p_common_parent != NULL && !p_common_parent->ParentOf( *this ) )
5973     {
5974         if ( !p_common_parent->b_is_leaving && p_common_parent->Leave( false ) )
5975             return true;
5976         p_common_parent = p_common_parent->psz_parent;
5977     }
5978
5979     // enter from the parent to <this>
5980     if ( p_common_parent != NULL )
5981     {
5982         do
5983         {
5984             if ( p_common_parent == this )
5985                 return Enter( true );
5986
5987             for ( size_t i = 0; i<p_common_parent->sub_chapters.size(); i++ )
5988             {
5989                 if ( p_common_parent->sub_chapters[i]->ParentOf( *this ) )
5990                 {
5991                     p_common_parent = p_common_parent->sub_chapters[i];
5992                     if ( p_common_parent != this )
5993                         if ( p_common_parent->Enter( false ) )
5994                             return true;
5995
5996                     break;
5997                 }
5998             }
5999         } while ( 1 );
6000     }
6001
6002     if ( b_final_enter )
6003         return Enter( true );
6004     else
6005         return false;
6006 }
6007
6008 bool dvd_chapter_codec_c::Enter()
6009 {
6010     bool f_result = false;
6011     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
6012     while ( index != enter_cmds.end() )
6013     {
6014         if ( (*index)->GetSize() )
6015         {
6016             binary *p_data = (*index)->GetBuffer();
6017             size_t i_size = *p_data++;
6018             // avoid reading too much from the buffer
6019             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
6020             for ( ; i_size > 0; i_size--, p_data += 8 )
6021             {
6022                 msg_Dbg( &sys.demuxer, "Matroska DVD enter command" );
6023                 f_result |= sys.dvd_interpretor.Interpret( p_data );
6024             }
6025         }
6026         index++;
6027     }
6028     return f_result;
6029 }
6030
6031 bool dvd_chapter_codec_c::Leave()
6032 {
6033     bool f_result = false;
6034     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
6035     while ( index != leave_cmds.end() )
6036     {
6037         if ( (*index)->GetSize() )
6038         {
6039             binary *p_data = (*index)->GetBuffer();
6040             size_t i_size = *p_data++;
6041             // avoid reading too much from the buffer
6042             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
6043             for ( ; i_size > 0; i_size--, p_data += 8 )
6044             {
6045                 msg_Dbg( &sys.demuxer, "Matroska DVD leave command" );
6046                 f_result |= sys.dvd_interpretor.Interpret( p_data );
6047             }
6048         }
6049         index++;
6050     }
6051     return f_result;
6052 }
6053
6054 // see http://www.dvd-replica.com/DVD/vmcmdset.php for a description of DVD commands
6055 bool dvd_command_interpretor_c::Interpret( const binary * p_command, size_t i_size )
6056 {
6057     if ( i_size != 8 )
6058         return false;
6059
6060     virtual_segment_c *p_segment = NULL;
6061     chapter_item_c *p_chapter = NULL;
6062     bool f_result = false;
6063     uint16 i_command = ( p_command[0] << 8 ) + p_command[1];
6064
6065     // handle register tests if there are some
6066     if ( (i_command & 0xF0) != 0 )
6067     {
6068         bool b_test_positive = true;//(i_command & CMD_DVD_IF_NOT) == 0;
6069         bool b_test_value    = (i_command & CMD_DVD_TEST_VALUE) != 0;
6070         uint8 i_test = i_command & 0x70;
6071         uint16 i_value;
6072
6073         // see http://dvd.sourceforge.net/dvdinfo/vmi.html
6074         uint8  i_cr1;
6075         uint16 i_cr2;
6076         switch ( i_command >> 12 )
6077         {
6078         default:
6079             i_cr1 = p_command[3];
6080             i_cr2 = (p_command[4] << 8) + p_command[5];
6081             break;
6082         case 3:
6083         case 4:
6084         case 5:
6085             i_cr1 = p_command[6];
6086             i_cr2 = p_command[7];
6087             b_test_value = false;
6088             break;
6089         case 6:
6090         case 7:
6091             if ( ((p_command[1] >> 4) & 0x7) == 0)
6092             {
6093                 i_cr1 = p_command[2];
6094                 i_cr2 = (p_command[6] << 8) + p_command[7];
6095             }
6096             else
6097             {
6098                 i_cr1 = p_command[2];
6099                 i_cr2 = (p_command[6] << 8) + p_command[7];
6100             }
6101             break;
6102         }
6103
6104         if ( b_test_value )
6105             i_value = i_cr2;
6106         else
6107             i_value = GetPRM( i_cr2 );
6108
6109         switch ( i_test )
6110         {
6111         case CMD_DVD_IF_GPREG_EQUAL:
6112             // if equals
6113             msg_Dbg( &sys.demuxer, "IF %s EQUALS %s", GetRegTypeName( false, i_cr1 ).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_NOT_EQUAL:
6120             // if not equals
6121             msg_Dbg( &sys.demuxer, "IF %s NOT EQUALS %s", GetRegTypeName( false, i_cr1 ).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_INF:
6128             // if inferior
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_INF_EQUAL:
6136             // if inferior or equal
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_AND:
6144             // if logical and
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         case CMD_DVD_IF_GPREG_SUP:
6152             // if superior
6153             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6154             if (!( GetPRM( i_cr1 ) > i_value ))
6155             {
6156                 b_test_positive = false;
6157             }
6158             break;
6159         case CMD_DVD_IF_GPREG_SUP_EQUAL:
6160             // if superior or equal
6161             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6162             if (!( GetPRM( i_cr1 ) >= i_value ))
6163             {
6164                 b_test_positive = false;
6165             }
6166             break;
6167         }
6168
6169         if ( !b_test_positive )
6170             return false;
6171     }
6172
6173     // strip the test command
6174     i_command &= 0xFF0F;
6175
6176     switch ( i_command )
6177     {
6178     case CMD_DVD_NOP:
6179     case CMD_DVD_NOP2:
6180         {
6181             msg_Dbg( &sys.demuxer, "NOP" );
6182             break;
6183         }
6184     case CMD_DVD_BREAK:
6185         {
6186             msg_Dbg( &sys.demuxer, "Break" );
6187             // TODO
6188             break;
6189         }
6190     case CMD_DVD_JUMP_TT:
6191         {
6192             uint8 i_title = p_command[5];
6193             msg_Dbg( &sys.demuxer, "JumpTT %d", i_title );
6194
6195             // find in the ChapProcessPrivate matching this Title level
6196             p_chapter = sys.BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title), p_segment );
6197             if ( p_segment != NULL )
6198             {
6199                 sys.JumpTo( *p_segment, p_chapter );
6200                 f_result = true;
6201             }
6202
6203             break;
6204         }
6205     case CMD_DVD_CALLSS_VTSM1:
6206         {
6207             msg_Dbg( &sys.demuxer, "CallSS" );
6208             binary p_type;
6209             switch( (p_command[6] & 0xC0) >> 6 ) {
6210                 case 0:
6211                     p_type = p_command[5] & 0x0F;
6212                     switch ( p_type )
6213                     {
6214                     case 0x00:
6215                         msg_Dbg( &sys.demuxer, "CallSS PGC (rsm_cell %x)", p_command[4]);
6216                         break;
6217                     case 0x02:
6218                         msg_Dbg( &sys.demuxer, "CallSS Title Entry (rsm_cell %x)", p_command[4]);
6219                         break;
6220                     case 0x03:
6221                         msg_Dbg( &sys.demuxer, "CallSS Root Menu (rsm_cell %x)", p_command[4]);
6222                         break;
6223                     case 0x04:
6224                         msg_Dbg( &sys.demuxer, "CallSS Subpicture Menu (rsm_cell %x)", p_command[4]);
6225                         break;
6226                     case 0x05:
6227                         msg_Dbg( &sys.demuxer, "CallSS Audio Menu (rsm_cell %x)", p_command[4]);
6228                         break;
6229                     case 0x06:
6230                         msg_Dbg( &sys.demuxer, "CallSS Angle Menu (rsm_cell %x)", p_command[4]);
6231                         break;
6232                     case 0x07:
6233                         msg_Dbg( &sys.demuxer, "CallSS Chapter Menu (rsm_cell %x)", p_command[4]);
6234                         break;
6235                     default:
6236                         msg_Dbg( &sys.demuxer, "CallSS <unknown> (rsm_cell %x)", p_command[4]);
6237                         break;
6238                     }
6239                     p_chapter = sys.BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1, p_segment );
6240                     if ( p_segment != NULL )
6241                     {
6242                         sys.JumpTo( *p_segment, p_chapter );
6243                         f_result = true;
6244                     }
6245                 break;
6246                 case 1:
6247                     msg_Dbg( &sys.demuxer, "CallSS VMGM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
6248                 break;
6249                 case 2:
6250                     msg_Dbg( &sys.demuxer, "CallSS VTSM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
6251                 break;
6252                 case 3:
6253                     msg_Dbg( &sys.demuxer, "CallSS VMGM (pgc %d, rsm_cell %x)", (p_command[2] << 8) + p_command[3], p_command[4]);
6254                 break;
6255             }
6256             break;
6257         }
6258     case CMD_DVD_JUMP_SS:
6259         {
6260             msg_Dbg( &sys.demuxer, "JumpSS");
6261             binary p_type;
6262             switch( (p_command[5] & 0xC0) >> 6 ) {
6263                 case 0:
6264                     msg_Dbg( &sys.demuxer, "JumpSS FP");
6265                 break;
6266                 case 1:
6267                     p_type = p_command[5] & 0x0F;
6268                     switch ( p_type )
6269                     {
6270                     case 0x02:
6271                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Title Entry");
6272                         break;
6273                     case 0x03:
6274                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Root Menu");
6275                         break;
6276                     case 0x04:
6277                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Subpicture Menu");
6278                         break;
6279                     case 0x05:
6280                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Audio Menu");
6281                         break;
6282                     case 0x06:
6283                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Angle Menu");
6284                         break;
6285                     case 0x07:
6286                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Chapter Menu");
6287                         break;
6288                     default:
6289                         msg_Dbg( &sys.demuxer, "JumpSS <unknown>");
6290                         break;
6291                     }
6292                     // find the VMG
6293                     p_chapter = sys.BrowseCodecPrivate( 1, MatchIsVMG, NULL, 0, p_segment );
6294                     if ( p_segment != NULL )
6295                     {
6296                         p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
6297                         if ( p_chapter != NULL )
6298                         {
6299                             sys.JumpTo( *p_segment, p_chapter );
6300                             f_result = true;
6301                         }
6302                     }
6303                 break;
6304                 case 2:
6305                     p_type = p_command[5] & 0x0F;
6306                     switch ( p_type )
6307                     {
6308                     case 0x02:
6309                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Title Entry", p_command[4], p_command[3]);
6310                         break;
6311                     case 0x03:
6312                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Root Menu", p_command[4], p_command[3]);
6313                         break;
6314                     case 0x04:
6315                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Subpicture Menu", p_command[4], p_command[3]);
6316                         break;
6317                     case 0x05:
6318                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Audio Menu", p_command[4], p_command[3]);
6319                         break;
6320                     case 0x06:
6321                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Angle Menu", p_command[4], p_command[3]);
6322                         break;
6323                     case 0x07:
6324                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Chapter Menu", p_command[4], p_command[3]);
6325                         break;
6326                     default:
6327                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) <unknown>", p_command[4], p_command[3]);
6328                         break;
6329                     }
6330
6331                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSMNumber, &p_command[4], 1, p_segment );
6332
6333                     if ( p_segment != NULL && p_chapter != NULL )
6334                     {
6335                         // find the title in the VTS
6336                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &p_command[3], 1 );
6337                         if ( p_chapter != NULL )
6338                         {
6339                             // find the specified menu in the VTSM
6340                             p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
6341                             if ( p_chapter != NULL )
6342                             {
6343                                 sys.JumpTo( *p_segment, p_chapter );
6344                                 f_result = true;
6345                             }
6346                         }
6347                         else
6348                             msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", p_command[3] );
6349                     }
6350                     else
6351                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", p_command[4] );
6352                 break;
6353                 case 3:
6354                     msg_Dbg( &sys.demuxer, "JumpSS VMGM (pgc %d)", (p_command[2] << 8) + p_command[3]);
6355                 break;
6356             }
6357             break;
6358         }
6359     case CMD_DVD_JUMPVTS_PTT:
6360         {
6361             uint8 i_title = p_command[5];
6362             uint8 i_ptt = p_command[3];
6363
6364             msg_Dbg( &sys.demuxer, "JumpVTS Title (%d) PTT (%d)", i_title, i_ptt);
6365
6366             // find the current VTS content segment
6367             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchIsDomain, NULL, 0 );
6368             if ( p_chapter != NULL )
6369             {
6370                 int16 i_curr_title = p_chapter->GetTitleNumber( );
6371                 if ( i_curr_title > 0 )
6372                 {
6373                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSNumber, &i_curr_title, sizeof(i_curr_title), p_segment );
6374
6375                     if ( p_segment != NULL && p_chapter != NULL )
6376                     {
6377                         // find the title in the VTS
6378                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title) );
6379                         if ( p_chapter != NULL )
6380                         {
6381                             // find the chapter in the title
6382                             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchChapterNumber, &i_ptt, sizeof(i_ptt) );
6383                             if ( p_chapter != NULL )
6384                             {
6385                                 sys.JumpTo( *p_segment, p_chapter );
6386                                 f_result = true;
6387                             }
6388                         }
6389                     else
6390                         msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", i_title );
6391                     }
6392                     else
6393                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", i_curr_title );
6394                 }
6395                 else
6396                     msg_Dbg( &sys.demuxer, "JumpVTS_PTT command found but not in a VTS(M)");
6397             }
6398             else
6399                 msg_Dbg( &sys.demuxer, "JumpVTS_PTT command but the DVD domain wasn't found");
6400             break;
6401         }
6402     case CMD_DVD_SET_GPRMMD:
6403         {
6404             msg_Dbg( &sys.demuxer, "Set GPRMMD [%d]=%d", (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3]);
6405
6406             if ( !SetGPRM( (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3] ) )
6407                 msg_Dbg( &sys.demuxer, "Set GPRMMD failed" );
6408             break;
6409         }
6410     case CMD_DVD_LINKPGCN:
6411         {
6412             uint16 i_pgcn = (p_command[6] << 8) + p_command[7];
6413
6414             msg_Dbg( &sys.demuxer, "Link PGCN(%d)", i_pgcn );
6415             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchPgcNumber, &i_pgcn, 2 );
6416             if ( p_chapter != NULL )
6417             {
6418                 if ( !p_chapter->Enter( true ) )
6419                     // jump to the location in the found segment
6420                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6421
6422                 f_result = true;
6423             }
6424             break;
6425         }
6426     case CMD_DVD_LINKCN:
6427         {
6428             uint8 i_cn = p_command[7];
6429
6430             p_chapter = sys.p_current_segment->CurrentChapter();
6431
6432             msg_Dbg( &sys.demuxer, "LinkCN (cell %d)", i_cn );
6433             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchCellNumber, &i_cn, 1 );
6434             if ( p_chapter != NULL )
6435             {
6436                 if ( !p_chapter->Enter( true ) )
6437                     // jump to the location in the found segment
6438                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6439
6440                 f_result = true;
6441             }
6442             break;
6443         }
6444     case CMD_DVD_GOTO_LINE:
6445         {
6446             msg_Dbg( &sys.demuxer, "GotoLine (%d)", (p_command[6] << 8) + p_command[7] );
6447             // TODO
6448             break;
6449         }
6450     case CMD_DVD_SET_HL_BTNN1:
6451         {
6452             msg_Dbg( &sys.demuxer, "SetHL_BTN (%d)", p_command[4] );
6453             SetSPRM( 0x88, p_command[4] );
6454             break;
6455         }
6456     default:
6457         {
6458             msg_Dbg( &sys.demuxer, "unsupported command : %02X %02X %02X %02X %02X %02X %02X %02X"
6459                      ,p_command[0]
6460                      ,p_command[1]
6461                      ,p_command[2]
6462                      ,p_command[3]
6463                      ,p_command[4]
6464                      ,p_command[5]
6465                      ,p_command[6]
6466                      ,p_command[7]);
6467             break;
6468         }
6469     }
6470
6471     return f_result;
6472 }
6473
6474 bool dvd_command_interpretor_c::MatchIsDomain( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6475 {
6476     return ( data.p_private_data != NULL && data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS );
6477 }
6478
6479 bool dvd_command_interpretor_c::MatchIsVMG( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6480 {
6481     if ( data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
6482         return false;
6483
6484     return ( data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS && data.p_private_data->GetBuffer()[1] == 0xC0);
6485 }
6486
6487 bool dvd_command_interpretor_c::MatchVTSNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6488 {
6489     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6490         return false;
6491
6492     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x80 )
6493         return false;
6494
6495     uint16 i_gtitle = (data.p_private_data->GetBuffer()[2] << 8 ) + data.p_private_data->GetBuffer()[3];
6496     uint16 i_title = *(uint16*)p_cookie;
6497
6498     return (i_gtitle == i_title);
6499 }
6500
6501 bool dvd_command_interpretor_c::MatchVTSMNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6502 {
6503     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6504         return false;
6505
6506     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x40 )
6507         return false;
6508
6509     uint8 i_gtitle = data.p_private_data->GetBuffer()[3];
6510     uint8 i_title = *(uint8*)p_cookie;
6511
6512     return (i_gtitle == i_title);
6513 }
6514
6515 bool dvd_command_interpretor_c::MatchTitleNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6516 {
6517     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6518         return false;
6519
6520     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_TT )
6521         return false;
6522
6523     uint16 i_gtitle = (data.p_private_data->GetBuffer()[1] << 8 ) + data.p_private_data->GetBuffer()[2];
6524     uint8 i_title = *(uint8*)p_cookie;
6525
6526     return (i_gtitle == i_title);
6527 }
6528
6529 bool dvd_command_interpretor_c::MatchPgcType( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6530 {
6531     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6532         return false;
6533
6534     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6535         return false;
6536
6537     uint8 i_pgc_type = data.p_private_data->GetBuffer()[3] & 0x0F;
6538     uint8 i_pgc = *(uint8*)p_cookie;
6539
6540     return (i_pgc_type == i_pgc);
6541 }
6542
6543 bool dvd_command_interpretor_c::MatchPgcNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6544 {
6545     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6546         return false;
6547
6548     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6549         return false;
6550
6551     uint16 *i_pgc_n = (uint16 *)p_cookie;
6552     uint16 i_pgc_num = (data.p_private_data->GetBuffer()[1] << 8) + data.p_private_data->GetBuffer()[2];
6553
6554     return (i_pgc_num == *i_pgc_n);
6555 }
6556
6557 bool dvd_command_interpretor_c::MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6558 {
6559     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
6560         return false;
6561
6562     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PTT )
6563         return false;
6564
6565     uint8 i_chapter = data.p_private_data->GetBuffer()[1];
6566     uint8 i_ptt = *(uint8*)p_cookie;
6567
6568     return (i_chapter == i_ptt);
6569 }
6570
6571 bool dvd_command_interpretor_c::MatchCellNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6572 {
6573     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 5 )
6574         return false;
6575
6576     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_CN )
6577         return false;
6578
6579     uint8 *i_cell_n = (uint8 *)p_cookie;
6580     uint8 i_cell_num = data.p_private_data->GetBuffer()[3];
6581
6582     return (i_cell_num == *i_cell_n);
6583 }
6584
6585 bool matroska_script_codec_c::Enter()
6586 {
6587     bool f_result = false;
6588     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
6589     while ( index != enter_cmds.end() )
6590     {
6591         if ( (*index)->GetSize() )
6592         {
6593             msg_Dbg( &sys.demuxer, "Matroska Script enter command" );
6594             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6595         }
6596         index++;
6597     }
6598     return f_result;
6599 }
6600
6601 bool matroska_script_codec_c::Leave()
6602 {
6603     bool f_result = false;
6604     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
6605     while ( index != leave_cmds.end() )
6606     {
6607         if ( (*index)->GetSize() )
6608         {
6609             msg_Dbg( &sys.demuxer, "Matroska Script leave command" );
6610             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6611         }
6612         index++;
6613     }
6614     return f_result;
6615 }
6616
6617 // see http://www.matroska.org/technical/specs/chapters/index.html#mscript
6618 //  for a description of existing commands
6619 bool matroska_script_interpretor_c::Interpret( const binary * p_command, size_t i_size )
6620 {
6621     bool b_result = false;
6622
6623     char *psz_str = (char*) malloc( i_size + 1 );
6624     memcpy( psz_str, p_command, i_size );
6625     psz_str[ i_size ] = '\0';
6626
6627     std::string sz_command = psz_str;
6628     free( psz_str );
6629
6630     msg_Dbg( &sys.demuxer, "command : %s", sz_command.c_str() );
6631
6632 #if defined(__GNUC__) && (__GNUC__ < 3)
6633     if ( sz_command.compare( CMD_MS_GOTO_AND_PLAY, 0, CMD_MS_GOTO_AND_PLAY.size() ) == 0 )
6634 #else
6635     if ( sz_command.compare( 0, CMD_MS_GOTO_AND_PLAY.size(), CMD_MS_GOTO_AND_PLAY ) == 0 )
6636 #endif
6637     {
6638         size_t i,j;
6639
6640         // find the (
6641         for ( i=CMD_MS_GOTO_AND_PLAY.size(); i<sz_command.size(); i++)
6642         {
6643             if ( sz_command[i] == '(' )
6644             {
6645                 i++;
6646                 break;
6647             }
6648         }
6649         // find the )
6650         for ( j=i; j<sz_command.size(); j++)
6651         {
6652             if ( sz_command[j] == ')' )
6653             {
6654                 i--;
6655                 break;
6656             }
6657         }
6658
6659         std::string st = sz_command.substr( i+1, j-i-1 );
6660         int64_t i_chapter_uid = atoi( st.c_str() );
6661
6662         virtual_segment_c *p_segment;
6663         chapter_item_c *p_chapter = sys.FindChapter( i_chapter_uid, p_segment );
6664
6665         if ( p_chapter == NULL )
6666             msg_Dbg( &sys.demuxer, "Chapter "I64Fd" not found", i_chapter_uid);
6667         else
6668         {
6669             if ( !p_chapter->EnterAndLeave( sys.p_current_segment->CurrentChapter() ) )
6670                 p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6671             b_result = true;
6672         }
6673     }
6674
6675     return b_result;
6676 }
6677
6678 void demux_sys_t::SwapButtons()
6679 {
6680 #ifndef WORDS_BIGENDIAN
6681     uint8_t button, i, j;
6682
6683     for( button = 1; button <= pci_packet.hli.hl_gi.btn_ns; button++) {
6684         btni_t *button_ptr = &(pci_packet.hli.btnit[button-1]);
6685         binary *p_data = (binary*) button_ptr;
6686
6687         uint16 i_x_start = ((p_data[0] & 0x3F) << 4 ) + ( p_data[1] >> 4 );
6688         uint16 i_x_end   = ((p_data[1] & 0x03) << 8 ) + p_data[2];
6689         uint16 i_y_start = ((p_data[3] & 0x3F) << 4 ) + ( p_data[4] >> 4 );
6690         uint16 i_y_end   = ((p_data[4] & 0x03) << 8 ) + p_data[5];
6691         button_ptr->x_start = i_x_start;
6692         button_ptr->x_end   = i_x_end;
6693         button_ptr->y_start = i_y_start;
6694         button_ptr->y_end   = i_y_end;
6695
6696     }
6697     for ( i = 0; i<3; i++ )
6698     {
6699         for ( j = 0; j<2; j++ )
6700         {
6701             pci_packet.hli.btn_colit.btn_coli[i][j] = U32_AT( &pci_packet.hli.btn_colit.btn_coli[i][j] );
6702         }
6703     }
6704 #endif
6705 }