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                             continue; // don't reuse the original opened file
1536
1537 #if defined(__GNUC__) && (__GNUC__ < 3)
1538                         if (!s_filename.compare("mkv", s_filename.length() - 3, 3) ||
1539                             !s_filename.compare("mka", s_filename.length() - 3, 3))
1540 #else
1541                         if (!s_filename.compare(s_filename.length() - 3, 3, "mkv") ||
1542                             !s_filename.compare(s_filename.length() - 3, 3, "mka"))
1543 #endif
1544                         {
1545                             // test wether this file belongs to our family
1546                             const uint8_t *p_peek;
1547                             bool          file_ok = false;
1548                             stream_t      *p_file_stream = stream_UrlNew(
1549                                                             p_demux,
1550                                                             s_filename.c_str());
1551                             /* peek the begining */
1552                             if( p_file_stream &&
1553                                 stream_Peek( p_file_stream, &p_peek, 4 ) >= 4
1554                                 && p_peek[0] == 0x1a && p_peek[1] == 0x45 &&
1555                                 p_peek[2] == 0xdf && p_peek[3] == 0xa3 ) file_ok = true;
1556
1557                             if ( file_ok )
1558                             {
1559                                 vlc_stream_io_callback *p_file_io = new vlc_stream_io_callback( p_file_stream, VLC_TRUE );
1560                                 EbmlStream *p_estream = new EbmlStream(*p_file_io);
1561
1562                                 p_stream = p_sys->AnalyseAllSegmentsFound( p_demux, p_estream );
1563
1564                                 if ( p_stream == NULL )
1565                                 {
1566                                     msg_Dbg( p_demux, "the file '%s' will not be used", s_filename.c_str() );
1567                                     delete p_estream;
1568                                     delete p_file_io;
1569                                 }
1570                                 else
1571                                 {
1572                                     p_stream->p_in = p_file_io;
1573                                     p_stream->p_es = p_estream;
1574                                     p_sys->streams.push_back( p_stream );
1575                                 }
1576                             }
1577                             else
1578                             {
1579                                 if( p_file_stream ) {
1580                                     stream_Delete( p_file_stream );
1581                                 }
1582                                 msg_Dbg( p_demux, "the file '%s' cannot be opened", s_filename.c_str() );
1583                             }
1584                         }
1585                     }
1586                     free (psz_file);
1587                 }
1588                 closedir( p_src_dir );
1589             }
1590         }
1591
1592         p_sys->PreloadFamily( *p_segment );
1593     }
1594
1595     p_sys->PreloadLinked( p_segment );
1596
1597     if ( !p_sys->PreparePlayback( NULL ) )
1598     {
1599         msg_Err( p_demux, "cannot use the segment" );
1600         goto error;
1601     }
1602
1603     p_sys->StartUiThread();
1604
1605     return VLC_SUCCESS;
1606
1607 error:
1608     delete p_sys;
1609     return VLC_EGENERIC;
1610 }
1611
1612 /*****************************************************************************
1613  * Close: frees unused data
1614  *****************************************************************************/
1615 static void Close( vlc_object_t *p_this )
1616 {
1617     demux_t     *p_demux = (demux_t*)p_this;
1618     demux_sys_t *p_sys   = p_demux->p_sys;
1619
1620     delete p_sys;
1621 }
1622
1623 /*****************************************************************************
1624  * Control:
1625  *****************************************************************************/
1626 static int Control( demux_t *p_demux, int i_query, va_list args )
1627 {
1628     demux_sys_t        *p_sys = p_demux->p_sys;
1629     int64_t     *pi64;
1630     double      *pf, f;
1631     int         i_skp;
1632     size_t      i_idx;
1633
1634     vlc_meta_t *p_meta;
1635     input_attachment_t ***ppp_attach;
1636     int *pi_int;
1637     int i;
1638
1639     switch( i_query )
1640     {
1641         case DEMUX_GET_ATTACHMENTS:
1642             ppp_attach = (input_attachment_t***)va_arg( args, input_attachment_t*** );
1643             pi_int = (int*)va_arg( args, int * );
1644
1645             if( p_sys->stored_attachments.size() <= 0 )
1646                 return VLC_EGENERIC;
1647
1648             *pi_int = p_sys->stored_attachments.size();
1649             *ppp_attach = (input_attachment_t**)malloc( sizeof(input_attachment_t**) *
1650                                                         p_sys->stored_attachments.size() );
1651             if( !(*ppp_attach) )
1652                 return VLC_ENOMEM;
1653             for( i = 0; i < p_sys->stored_attachments.size(); i++ )
1654             {
1655                 attachment_c *a = p_sys->stored_attachments[i];
1656                 (*ppp_attach)[i] = vlc_input_attachment_New( a->psz_file_name.c_str(), a->psz_mime_type.c_str(), NULL,
1657                                                              a->p_data, a->i_size );
1658             }
1659             return VLC_SUCCESS;
1660
1661         case DEMUX_GET_META:
1662             p_meta = (vlc_meta_t*)va_arg( args, vlc_meta_t* );
1663             vlc_meta_Merge( p_meta, p_sys->meta );
1664             return VLC_SUCCESS;
1665
1666         case DEMUX_GET_LENGTH:
1667             pi64 = (int64_t*)va_arg( args, int64_t * );
1668             if( p_sys->f_duration > 0.0 )
1669             {
1670                 *pi64 = (int64_t)(p_sys->f_duration * 1000);
1671                 return VLC_SUCCESS;
1672             }
1673             return VLC_EGENERIC;
1674
1675         case DEMUX_GET_POSITION:
1676             pf = (double*)va_arg( args, double * );
1677             if ( p_sys->f_duration > 0.0 )
1678                 *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);
1679             return VLC_SUCCESS;
1680
1681         case DEMUX_SET_POSITION:
1682             f = (double)va_arg( args, double );
1683             Seek( p_demux, -1, f, NULL );
1684             return VLC_SUCCESS;
1685
1686         case DEMUX_GET_TIME:
1687             pi64 = (int64_t*)va_arg( args, int64_t * );
1688             *pi64 = p_sys->i_pts;
1689             return VLC_SUCCESS;
1690
1691         case DEMUX_GET_TITLE_INFO:
1692             if( p_sys->titles.size() )
1693             {
1694                 input_title_t ***ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
1695                 int *pi_int    = (int*)va_arg( args, int* );
1696
1697                 *pi_int = p_sys->titles.size();
1698                 *ppp_title = (input_title_t**)malloc( sizeof( input_title_t**) * p_sys->titles.size() );
1699
1700                 for( size_t i = 0; i < p_sys->titles.size(); i++ )
1701                 {
1702                     (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->titles[i] );
1703                 }
1704
1705                 return VLC_SUCCESS;
1706             }
1707             return VLC_EGENERIC;
1708
1709         case DEMUX_SET_TITLE:
1710             /* TODO handle editions as titles */
1711             i_idx = (int)va_arg( args, int );
1712             if( i_idx < p_sys->used_segments.size() )
1713             {
1714                 p_sys->JumpTo( *p_sys->used_segments[i_idx], NULL );
1715                 return VLC_SUCCESS;
1716             }
1717             return VLC_EGENERIC;
1718
1719         case DEMUX_SET_SEEKPOINT:
1720             i_skp = (int)va_arg( args, int );
1721
1722             // TODO change the way it works with the << & >> buttons on the UI (+1/-1 instead of a number)
1723             if( p_sys->titles.size() && i_skp < p_sys->titles[p_sys->i_current_title]->i_seekpoint)
1724             {
1725                 Seek( p_demux, (int64_t)p_sys->titles[p_sys->i_current_title]->seekpoint[i_skp]->i_time_offset, -1, NULL);
1726                 p_demux->info.i_seekpoint |= INPUT_UPDATE_SEEKPOINT;
1727                 p_demux->info.i_seekpoint = i_skp;
1728                 return VLC_SUCCESS;
1729             }
1730             return VLC_EGENERIC;
1731
1732         case DEMUX_SET_TIME:
1733         case DEMUX_GET_FPS:
1734         default:
1735             return VLC_EGENERIC;
1736     }
1737 }
1738
1739 #if LIBMATROSKA_VERSION >= 0x000800
1740 int matroska_segment_c::BlockGet( KaxBlock * & pp_block, KaxSimpleBlock * & pp_simpleblock, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration )
1741 #else
1742 int matroska_segment_c::BlockGet( KaxBlock * & pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration )
1743 #endif
1744 {
1745 #if LIBMATROSKA_VERSION >= 0x000800
1746     pp_simpleblock = NULL;
1747 #endif
1748     pp_block = NULL;
1749     *pi_ref1  = 0;
1750     *pi_ref2  = 0;
1751
1752     for( ;; )
1753     {
1754         EbmlElement *el = NULL;
1755         int         i_level;
1756
1757         if ( ep == NULL )
1758             return VLC_EGENERIC;
1759
1760 #if LIBMATROSKA_VERSION >= 0x000800
1761         if( pp_simpleblock != NULL || ((el = ep->Get()) == NULL && pp_block != NULL) )
1762 #else
1763         if( (el = ep->Get()) == NULL && pp_block != NULL )
1764 #endif
1765         {
1766             /* update the index */
1767 #define idx p_indexes[i_index - 1]
1768             if( i_index > 0 && idx.i_time == -1 )
1769             {
1770 #if LIBMATROSKA_VERSION >= 0x000800
1771                 if ( pp_simpleblock != NULL )
1772                     idx.i_time        = pp_simpleblock->GlobalTimecode() / (mtime_t)1000;
1773                 else
1774 #endif
1775                     idx.i_time        = (*pp_block).GlobalTimecode() / (mtime_t)1000;
1776                 idx.b_key         = *pi_ref1 == 0 ? VLC_TRUE : VLC_FALSE;
1777             }
1778 #undef idx
1779             return VLC_SUCCESS;
1780         }
1781
1782         i_level = ep->GetLevel();
1783
1784         if( el == NULL )
1785         {
1786             if( i_level > 1 )
1787             {
1788                 ep->Up();
1789                 continue;
1790             }
1791             msg_Warn( &sys.demuxer, "EOF" );
1792             return VLC_EGENERIC;
1793         }
1794
1795         /* do parsing */
1796         switch ( i_level )
1797         {
1798         case 1:
1799             if( MKV_IS_ID( el, KaxCluster ) )
1800             {
1801                 cluster = (KaxCluster*)el;
1802                 i_cluster_pos = cluster->GetElementPosition();
1803
1804                 /* add it to the index */
1805                 if( i_index == 0 ||
1806                     ( i_index > 0 && p_indexes[i_index - 1].i_position < (int64_t)cluster->GetElementPosition() ) )
1807                 {
1808                     IndexAppendCluster( cluster );
1809                 }
1810
1811                 // reset silent tracks
1812                 for (size_t i=0; i<tracks.size(); i++)
1813                 {
1814                     tracks[i]->b_silent = VLC_FALSE;
1815                 }
1816
1817                 ep->Down();
1818             }
1819             else if( MKV_IS_ID( el, KaxCues ) )
1820             {
1821                 msg_Warn( &sys.demuxer, "find KaxCues FIXME" );
1822                 return VLC_EGENERIC;
1823             }
1824             else
1825             {
1826                 msg_Dbg( &sys.demuxer, "unknown (%s)", typeid( el ).name() );
1827             }
1828             break;
1829         case 2:
1830             if( MKV_IS_ID( el, KaxClusterTimecode ) )
1831             {
1832                 KaxClusterTimecode &ctc = *(KaxClusterTimecode*)el;
1833
1834                 ctc.ReadData( es.I_O(), SCOPE_ALL_DATA );
1835                 cluster->InitTimecode( uint64( ctc ), i_timescale );
1836             }
1837             else if( MKV_IS_ID( el, KaxClusterSilentTracks ) )
1838             {
1839                 ep->Down();
1840             }
1841             else if( MKV_IS_ID( el, KaxBlockGroup ) )
1842             {
1843                 i_block_pos = el->GetElementPosition();
1844                 ep->Down();
1845             }
1846 #if LIBMATROSKA_VERSION >= 0x000800
1847             else if( MKV_IS_ID( el, KaxSimpleBlock ) )
1848             {
1849                 pp_simpleblock = (KaxSimpleBlock*)el;
1850
1851                 pp_simpleblock->ReadData( es.I_O() );
1852                 pp_simpleblock->SetParent( *cluster );
1853             }
1854 #endif
1855             break;
1856         case 3:
1857             if( MKV_IS_ID( el, KaxBlock ) )
1858             {
1859                 pp_block = (KaxBlock*)el;
1860
1861                 pp_block->ReadData( es.I_O() );
1862                 pp_block->SetParent( *cluster );
1863
1864                 ep->Keep();
1865             }
1866             else if( MKV_IS_ID( el, KaxBlockDuration ) )
1867             {
1868                 KaxBlockDuration &dur = *(KaxBlockDuration*)el;
1869
1870                 dur.ReadData( es.I_O() );
1871                 *pi_duration = uint64( dur );
1872             }
1873             else if( MKV_IS_ID( el, KaxReferenceBlock ) )
1874             {
1875                 KaxReferenceBlock &ref = *(KaxReferenceBlock*)el;
1876
1877                 ref.ReadData( es.I_O() );
1878                 if( *pi_ref1 == 0 )
1879                 {
1880                     *pi_ref1 = int64( ref ) * cluster->GlobalTimecodeScale();
1881                 }
1882                 else if( *pi_ref2 == 0 )
1883                 {
1884                     *pi_ref2 = int64( ref ) * cluster->GlobalTimecodeScale();
1885                 }
1886             }
1887             else if( MKV_IS_ID( el, KaxClusterSilentTrackNumber ) )
1888             {
1889                 KaxClusterSilentTrackNumber &track_num = *(KaxClusterSilentTrackNumber*)el;
1890                 track_num.ReadData( es.I_O() );
1891                 // find the track
1892                 for (size_t i=0; i<tracks.size(); i++)
1893                 {
1894                     if ( tracks[i]->i_number == uint32(track_num))
1895                     {
1896                         tracks[i]->b_silent = VLC_TRUE;
1897                         break;
1898                     }
1899                 }
1900             }
1901             break;
1902         default:
1903             msg_Err( &sys.demuxer, "invalid level = %d", i_level );
1904             return VLC_EGENERIC;
1905         }
1906     }
1907 }
1908
1909 static block_t *MemToBlock( demux_t *p_demux, uint8_t *p_mem, int i_mem, size_t offset)
1910 {
1911     block_t *p_block;
1912     if( !(p_block = block_New( p_demux, i_mem + offset ) ) ) return NULL;
1913     memcpy( p_block->p_buffer + offset, p_mem, i_mem );
1914     //p_block->i_rate = p_input->stream.control.i_rate;
1915     return p_block;
1916 }
1917
1918 #if LIBMATROSKA_VERSION >= 0x000800
1919 static void BlockDecode( demux_t *p_demux, KaxBlock *block, KaxSimpleBlock *simpleblock,
1920                          mtime_t i_pts, mtime_t i_duration, bool f_mandatory )
1921 #else
1922 static void BlockDecode( demux_t *p_demux, KaxBlock *block, mtime_t i_pts,
1923                          mtime_t i_duration, bool f_mandatory )
1924 #endif
1925 {
1926     demux_sys_t        *p_sys = p_demux->p_sys;
1927     matroska_segment_c *p_segment = p_sys->p_current_segment->Segment();
1928
1929     size_t          i_track;
1930     unsigned int    i;
1931     vlc_bool_t      b;
1932
1933 #define tk  p_segment->tracks[i_track]
1934     for( i_track = 0; i_track < p_segment->tracks.size(); i_track++ )
1935     {
1936 #if LIBMATROSKA_VERSION >= 0x000800
1937         if( (block != NULL && tk->i_number == block->TrackNum()) ||
1938             (simpleblock != NULL && tk->i_number == simpleblock->TrackNum()))
1939 #else
1940         if( tk->i_number == block->TrackNum() )
1941 #endif
1942         {
1943             break;
1944         }
1945     }
1946
1947     if( i_track >= p_segment->tracks.size() )
1948     {
1949         msg_Err( p_demux, "invalid track number" );
1950         return;
1951     }
1952     if( tk->fmt.i_cat != NAV_ES && tk->p_es == NULL )
1953     {
1954         msg_Err( p_demux, "unknown track number" );
1955         return;
1956     }
1957     if( i_pts + i_duration < p_sys->i_start_pts && tk->fmt.i_cat == AUDIO_ES )
1958     {
1959         return; /* discard audio packets that shouldn't be rendered */
1960     }
1961
1962     if ( tk->fmt.i_cat != NAV_ES )
1963     {
1964         es_out_Control( p_demux->out, ES_OUT_GET_ES_STATE, tk->p_es, &b );
1965
1966         if( !b )
1967         {
1968             tk->b_inited = VLC_FALSE;
1969             return;
1970         }
1971     }
1972
1973
1974     /* First send init data */
1975     if( !tk->b_inited && tk->i_data_init > 0 )
1976     {
1977         block_t *p_init;
1978
1979         msg_Dbg( p_demux, "sending header (%d bytes)", tk->i_data_init );
1980         p_init = MemToBlock( p_demux, tk->p_data_init, tk->i_data_init, 0 );
1981         if( p_init ) es_out_Send( p_demux->out, tk->p_es, p_init );
1982     }
1983     tk->b_inited = VLC_TRUE;
1984
1985
1986 #if LIBMATROSKA_VERSION >= 0x000800
1987     for( i = 0;
1988         (block != NULL && i < block->NumberFrames()) || (simpleblock != NULL && i < simpleblock->NumberFrames());
1989         i++ )
1990 #else
1991     for( i = 0; i < block->NumberFrames(); i++ )
1992 #endif
1993     {
1994         block_t *p_block;
1995         DataBuffer *data;
1996 #if LIBMATROSKA_VERSION >= 0x000800
1997         if ( simpleblock != NULL )
1998         {
1999             data = &simpleblock->GetBuffer(i);
2000             // condition when the DTS is correct (keyframe or B frame == NOT P frame)
2001             f_mandatory = simpleblock->IsDiscardable() || simpleblock->IsKeyframe();
2002         }
2003         else
2004 #endif
2005         data = &block->GetBuffer(i);
2006
2007         if( tk->i_compression_type == MATROSKA_COMPRESSION_HEADER && tk->p_compression_data != NULL )
2008             p_block = MemToBlock( p_demux, data->Buffer(), data->Size(), tk->p_compression_data->GetSize() );
2009         else
2010             p_block = MemToBlock( p_demux, data->Buffer(), data->Size(), 0 );
2011
2012         if( p_block == NULL )
2013         {
2014             break;
2015         }
2016
2017 #if defined(HAVE_ZLIB_H)
2018         if( tk->i_compression_type == MATROSKA_COMPRESSION_ZLIB )
2019         {
2020             p_block = block_zlib_decompress( VLC_OBJECT(p_demux), p_block );
2021         }
2022         else
2023 #endif
2024         if( tk->i_compression_type == MATROSKA_COMPRESSION_HEADER )
2025         {
2026             memcpy( p_block->p_buffer, tk->p_compression_data->GetBuffer(), tk->p_compression_data->GetSize() );
2027         }
2028
2029         if ( tk->fmt.i_cat == NAV_ES )
2030         {
2031             // TODO handle the start/stop times of this packet
2032             if ( p_sys->b_ui_hooked )
2033             {
2034                 vlc_mutex_lock( &p_sys->p_ev->lock );
2035                 memcpy( &p_sys->pci_packet, &p_block->p_buffer[1], sizeof(pci_t) );
2036                 p_sys->SwapButtons();
2037                 p_sys->b_pci_packet_set = true;
2038                 vlc_mutex_unlock( &p_sys->p_ev->lock );
2039                 block_Release( p_block );
2040             }
2041             return;
2042         }
2043         // correct timestamping when B frames are used
2044         if( tk->fmt.i_cat != VIDEO_ES )
2045         {
2046             p_block->i_dts = p_block->i_pts = i_pts;
2047         }
2048         else
2049         {
2050             if( !strcmp( tk->psz_codec, "V_MS/VFW/FOURCC" ) )
2051             {
2052                 // in VFW we have no idea about B frames
2053                 p_block->i_pts = 0;
2054                 p_block->i_dts = i_pts;
2055             }
2056             else
2057             {
2058                 p_block->i_pts = i_pts;
2059                 if ( f_mandatory )
2060                     p_block->i_dts = p_block->i_pts;
2061                 else
2062                     p_block->i_dts = min( i_pts, tk->i_last_dts + (mtime_t)(tk->i_default_duration >> 10));
2063                 p_sys->i_pts = p_block->i_dts;
2064             }
2065         }
2066         tk->i_last_dts = p_block->i_dts;
2067
2068 #if 0
2069 msg_Dbg( p_demux, "block i_dts: "I64Fd" / i_pts: "I64Fd, p_block->i_dts, p_block->i_pts);
2070 #endif
2071         if( strcmp( tk->psz_codec, "S_VOBSUB" ) )
2072         {
2073             p_block->i_length = i_duration * 1000;
2074         }
2075
2076         es_out_Send( p_demux->out, tk->p_es, p_block );
2077
2078         /* use time stamp only for first block */
2079         i_pts = 0;
2080     }
2081
2082 #undef tk
2083 }
2084
2085 matroska_stream_c *demux_sys_t::AnalyseAllSegmentsFound( demux_t *p_demux, EbmlStream *p_estream, bool b_initial )
2086 {
2087     int i_upper_lvl = 0;
2088     size_t i;
2089     EbmlElement *p_l0, *p_l1, *p_l2;
2090     bool b_keep_stream = false, b_keep_segment;
2091
2092     // verify the EBML Header
2093     p_l0 = p_estream->FindNextID(EbmlHead::ClassInfos, 0xFFFFFFFFL);
2094     if (p_l0 == NULL)
2095     {
2096         msg_Err( p_demux, "No EBML header found" );
2097         return NULL;
2098     }
2099
2100     // verify we can read this Segment, we only support Matroska version 1 for now
2101     p_l0->Read(*p_estream, EbmlHead::ClassInfos.Context, i_upper_lvl, p_l0, true);
2102
2103     EDocType doc_type = GetChild<EDocType>(*static_cast<EbmlHead*>(p_l0));
2104     if (std::string(doc_type) != "matroska")
2105     {
2106         msg_Err( p_demux, "Not a Matroska file : DocType = %s ", std::string(doc_type).c_str());
2107         return NULL;
2108     }
2109
2110     EDocTypeReadVersion doc_read_version = GetChild<EDocTypeReadVersion>(*static_cast<EbmlHead*>(p_l0));
2111 #if LIBMATROSKA_VERSION >= 0x000800
2112     if (uint64(doc_read_version) > 2)
2113     {
2114         msg_Err( p_demux, "This matroska file is needs version "I64Fd" and this VLC only supports version 1 & 2", uint64(doc_read_version));
2115         return NULL;
2116     }
2117 #else
2118     if (uint64(doc_read_version) != 1)
2119     {
2120         msg_Err( p_demux, "This matroska file is needs version "I64Fd" and this VLC only supports version 1", uint64(doc_read_version));
2121         return NULL;
2122     }
2123 #endif
2124
2125     delete p_l0;
2126
2127
2128     // find all segments in this file
2129     p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFFLL);
2130     if (p_l0 == NULL)
2131     {
2132         return NULL;
2133     }
2134
2135     matroska_stream_c *p_stream1 = new matroska_stream_c( *this );
2136
2137     while (p_l0 != 0)
2138     {
2139         if (EbmlId(*p_l0) == KaxSegment::ClassInfos.GlobalId)
2140         {
2141             EbmlParser  *ep;
2142             matroska_segment_c *p_segment1 = new matroska_segment_c( *this, *p_estream );
2143             b_keep_segment = b_initial;
2144
2145             ep = new EbmlParser(p_estream, p_l0, &demuxer );
2146             p_segment1->ep = ep;
2147             p_segment1->segment = (KaxSegment*)p_l0;
2148
2149             while ((p_l1 = ep->Get()))
2150             {
2151                 if (MKV_IS_ID(p_l1, KaxInfo))
2152                 {
2153                     // find the families of this segment
2154                     KaxInfo *p_info = static_cast<KaxInfo*>(p_l1);
2155
2156                     p_info->Read(*p_estream, KaxInfo::ClassInfos.Context, i_upper_lvl, p_l2, true);
2157                     for( i = 0; i < p_info->ListSize(); i++ )
2158                     {
2159                         EbmlElement *l = (*p_info)[i];
2160
2161                         if( MKV_IS_ID( l, KaxSegmentUID ) )
2162                         {
2163                             KaxSegmentUID *p_uid = static_cast<KaxSegmentUID*>(l);
2164                             b_keep_segment = (FindSegment( *p_uid ) == NULL);
2165                             if ( !b_keep_segment )
2166                                 break; // this segment is already known
2167                             opened_segments.push_back( p_segment1 );
2168                             delete p_segment1->p_segment_uid;
2169                             p_segment1->p_segment_uid = new KaxSegmentUID(*p_uid);
2170                         }
2171                         else if( MKV_IS_ID( l, KaxPrevUID ) )
2172                         {
2173                             p_segment1->p_prev_segment_uid = new KaxPrevUID( *static_cast<KaxPrevUID*>(l) );
2174                         }
2175                         else if( MKV_IS_ID( l, KaxNextUID ) )
2176                         {
2177                             p_segment1->p_next_segment_uid = new KaxNextUID( *static_cast<KaxNextUID*>(l) );
2178                         }
2179                         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
2180                         {
2181                             KaxSegmentFamily *p_fam = new KaxSegmentFamily( *static_cast<KaxSegmentFamily*>(l) );
2182                             p_segment1->families.push_back( p_fam );
2183                         }
2184                     }
2185                     break;
2186                 }
2187             }
2188             if ( b_keep_segment )
2189             {
2190                 b_keep_stream = true;
2191                 p_stream1->segments.push_back( p_segment1 );
2192             }
2193             else
2194             {
2195                 p_segment1->segment = NULL;
2196                 delete p_segment1;
2197             }
2198         }
2199         if (p_l0->IsFiniteSize() )
2200         {
2201             p_l0->SkipData(*p_estream, KaxMatroska_Context);
2202             p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFL);
2203         }
2204         else
2205             p_l0 = p_l0->SkipData(*p_estream, KaxSegment_Context);
2206     }
2207
2208     if ( !b_keep_stream )
2209     {
2210         delete p_stream1;
2211         p_stream1 = NULL;
2212     }
2213
2214     return p_stream1;
2215 }
2216
2217 bool matroska_segment_c::Select( mtime_t i_start_time )
2218 {
2219     size_t i_track;
2220
2221     /* add all es */
2222     msg_Dbg( &sys.demuxer, "found %d es", (int)tracks.size() );
2223     sys.b_pci_packet_set = false;
2224
2225     for( i_track = 0; i_track < tracks.size(); i_track++ )
2226     {
2227         if( tracks[i_track]->fmt.i_cat == UNKNOWN_ES )
2228         {
2229             msg_Warn( &sys.demuxer, "invalid track[%d, n=%d]", (int)i_track, tracks[i_track]->i_number );
2230             tracks[i_track]->p_es = NULL;
2231             continue;
2232         }
2233
2234         if( !strcmp( tracks[i_track]->psz_codec, "V_MS/VFW/FOURCC" ) )
2235         {
2236             if( tracks[i_track]->i_extra_data < (int)sizeof( BITMAPINFOHEADER ) )
2237             {
2238                 msg_Err( &sys.demuxer, "missing/invalid BITMAPINFOHEADER" );
2239                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2240             }
2241             else
2242             {
2243                 BITMAPINFOHEADER *p_bih = (BITMAPINFOHEADER*)tracks[i_track]->p_extra_data;
2244
2245                 tracks[i_track]->fmt.video.i_width = GetDWLE( &p_bih->biWidth );
2246                 tracks[i_track]->fmt.video.i_height= GetDWLE( &p_bih->biHeight );
2247                 tracks[i_track]->fmt.i_codec       = GetFOURCC( &p_bih->biCompression );
2248
2249                 tracks[i_track]->fmt.i_extra       = GetDWLE( &p_bih->biSize ) - sizeof( BITMAPINFOHEADER );
2250                 if( tracks[i_track]->fmt.i_extra > 0 )
2251                 {
2252                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2253                     memcpy( tracks[i_track]->fmt.p_extra, &p_bih[1], tracks[i_track]->fmt.i_extra );
2254                 }
2255             }
2256         }
2257         else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG1" ) ||
2258                  !strcmp( tracks[i_track]->psz_codec, "V_MPEG2" ) )
2259         {
2260             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'v' );
2261         }
2262         else if( !strncmp( tracks[i_track]->psz_codec, "V_THEORA", 8 ) )
2263         {
2264             uint8_t *p_data = tracks[i_track]->p_extra_data;
2265             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 't', 'h', 'e', 'o' );
2266             if( tracks[i_track]->i_extra_data >= 4 ) {
2267                 if( p_data[0] == 2 ) {
2268                     int i = 1;
2269                     int i_size1 = 0, i_size2 = 0;
2270                     p_data++;
2271                     /* read size of first header packet */
2272                     while( *p_data == 0xFF &&
2273                            i < tracks[i_track]->i_extra_data )
2274                     {
2275                         i_size1 += *p_data;
2276                         p_data++;
2277                         i++;
2278                     }
2279                     i_size1 += *p_data;
2280                     p_data++;
2281                     i++;
2282                     msg_Dbg( &sys.demuxer, "first theora header size %d", i_size1 );
2283                     /* read size of second header packet */
2284                     while( *p_data == 0xFF &&
2285                            i < tracks[i_track]->i_extra_data )
2286                     {
2287                         i_size2 += *p_data;
2288                         p_data++;
2289                         i++;
2290                     }
2291                     i_size2 += *p_data;
2292                     p_data++;
2293                     i++;
2294                     int i_size3 = tracks[i_track]->i_extra_data - i - i_size1
2295                         - i_size2;
2296                     msg_Dbg( &sys.demuxer, "second theora header size %d", i_size2 );
2297                     msg_Dbg( &sys.demuxer, "third theora header size %d", i_size3 );
2298                     tracks[i_track]->fmt.i_extra = i_size1 + i_size2 + i_size3
2299                         + 6;
2300                     if( i_size1 > 0 && i_size2 > 0 && i_size3 > 0  ) {
2301                         tracks[i_track]->fmt.p_extra =
2302                             malloc( tracks[i_track]->fmt.i_extra );
2303                         uint8_t *p_out = (uint8_t*)tracks[i_track]->fmt.p_extra;
2304                         *p_out++ = (i_size1>>8) & 0xFF;
2305                         *p_out++ = i_size1 & 0xFF;
2306                         memcpy( p_out, p_data, i_size1 );
2307                         p_data += i_size1;
2308                         p_out += i_size1;
2309
2310                         *p_out++ = (i_size2>>8) & 0xFF;
2311                         *p_out++ = i_size2 & 0xFF;
2312                         memcpy( p_out, p_data, i_size2 );
2313                         p_data += i_size2;
2314                         p_out += i_size2;
2315
2316                         *p_out++ = (i_size3>>8) & 0xFF;
2317                         *p_out++ = i_size3 & 0xFF;
2318                         memcpy( p_out, p_data, i_size3 );
2319                         p_data += i_size3;
2320                         p_out += i_size3;
2321                     }
2322                     else
2323                     {
2324                         msg_Err( &sys.demuxer, "inconsistant theora extradata" );
2325                     }
2326                 }
2327                 else {
2328                     msg_Err( &sys.demuxer, "Wrong number of ogg packets with theora headers (%d)", p_data[0] + 1 );
2329                 }
2330             }
2331         }
2332         else if( !strncmp( tracks[i_track]->psz_codec, "V_MPEG4", 7 ) )
2333         {
2334             if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/MS/V3" ) )
2335             {
2336                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'D', 'I', 'V', '3' );
2337             }
2338             else if( !strncmp( tracks[i_track]->psz_codec, "V_MPEG4/ISO", 11 ) )
2339             {
2340                 /* A MPEG 4 codec, SP, ASP, AP or AVC */
2341                 if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/ISO/AVC" ) )
2342                     tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'v', 'c', '1' );
2343                 else
2344                     tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' );
2345                 tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2346                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2347                 memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2348             }
2349         }
2350         else if( !strcmp( tracks[i_track]->psz_codec, "V_QUICKTIME" ) )
2351         {
2352             MP4_Box_t *p_box = (MP4_Box_t*)malloc( sizeof( MP4_Box_t ) );
2353             stream_t *p_mp4_stream = stream_MemoryNew( VLC_OBJECT(&sys.demuxer),
2354                                                        tracks[i_track]->p_extra_data,
2355                                                        tracks[i_track]->i_extra_data,
2356                                                        VLC_FALSE );
2357             MP4_ReadBoxCommon( p_mp4_stream, p_box );
2358             MP4_ReadBox_sample_vide( p_mp4_stream, p_box );
2359             tracks[i_track]->fmt.i_codec = p_box->i_type;
2360             tracks[i_track]->fmt.video.i_width = p_box->data.p_sample_vide->i_width;
2361             tracks[i_track]->fmt.video.i_height = p_box->data.p_sample_vide->i_height;
2362             tracks[i_track]->fmt.i_extra = p_box->data.p_sample_vide->i_qt_image_description;
2363             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2364             memcpy( tracks[i_track]->fmt.p_extra, p_box->data.p_sample_vide->p_qt_image_description, tracks[i_track]->fmt.i_extra );
2365             MP4_FreeBox_sample_vide( p_box );
2366             stream_Delete( p_mp4_stream );
2367         }
2368         else if( !strcmp( tracks[i_track]->psz_codec, "A_MS/ACM" ) )
2369         {
2370             if( tracks[i_track]->i_extra_data < (int)sizeof( WAVEFORMATEX ) )
2371             {
2372                 msg_Err( &sys.demuxer, "missing/invalid WAVEFORMATEX" );
2373                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2374             }
2375             else
2376             {
2377                 WAVEFORMATEX *p_wf = (WAVEFORMATEX*)tracks[i_track]->p_extra_data;
2378
2379                 wf_tag_to_fourcc( GetWLE( &p_wf->wFormatTag ), &tracks[i_track]->fmt.i_codec, NULL );
2380
2381                 tracks[i_track]->fmt.audio.i_channels   = GetWLE( &p_wf->nChannels );
2382                 tracks[i_track]->fmt.audio.i_rate = GetDWLE( &p_wf->nSamplesPerSec );
2383                 tracks[i_track]->fmt.i_bitrate    = GetDWLE( &p_wf->nAvgBytesPerSec ) * 8;
2384                 tracks[i_track]->fmt.audio.i_blockalign = GetWLE( &p_wf->nBlockAlign );;
2385                 tracks[i_track]->fmt.audio.i_bitspersample = GetWLE( &p_wf->wBitsPerSample );
2386
2387                 tracks[i_track]->fmt.i_extra            = GetWLE( &p_wf->cbSize );
2388                 if( tracks[i_track]->fmt.i_extra > 0 )
2389                 {
2390                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2391                     memcpy( tracks[i_track]->fmt.p_extra, &p_wf[1], tracks[i_track]->fmt.i_extra );
2392                 }
2393             }
2394         }
2395         else if( !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L3" ) ||
2396                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L2" ) ||
2397                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L1" ) )
2398         {
2399             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' );
2400         }
2401         else if( !strcmp( tracks[i_track]->psz_codec, "A_AC3" ) )
2402         {
2403             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' );
2404         }
2405         else if( !strcmp( tracks[i_track]->psz_codec, "A_DTS" ) )
2406         {
2407             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'd', 't', 's', ' ' );
2408         }
2409         else if( !strcmp( tracks[i_track]->psz_codec, "A_FLAC" ) )
2410         {
2411             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'f', 'l', 'a', 'c' );
2412             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2413             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2414             memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2415         }
2416         else if( !strcmp( tracks[i_track]->psz_codec, "A_VORBIS" ) )
2417         {
2418             int i, i_offset = 1, i_size[3], i_extra;
2419             uint8_t *p_extra;
2420
2421             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'v', 'o', 'r', 'b' );
2422
2423             /* Split the 3 headers */
2424             if( tracks[i_track]->p_extra_data[0] != 0x02 )
2425                 msg_Err( &sys.demuxer, "invalid vorbis header" );
2426
2427             for( i = 0; i < 2; i++ )
2428             {
2429                 i_size[i] = 0;
2430                 while( i_offset < tracks[i_track]->i_extra_data )
2431                 {
2432                     i_size[i] += tracks[i_track]->p_extra_data[i_offset];
2433                     if( tracks[i_track]->p_extra_data[i_offset++] != 0xff ) break;
2434                 }
2435             }
2436
2437             i_size[0] = __MIN(i_size[0], tracks[i_track]->i_extra_data - i_offset);
2438             i_size[1] = __MIN(i_size[1], tracks[i_track]->i_extra_data -i_offset -i_size[0]);
2439             i_size[2] = tracks[i_track]->i_extra_data - i_offset - i_size[0] - i_size[1];
2440
2441             tracks[i_track]->fmt.i_extra = 3 * 2 + i_size[0] + i_size[1] + i_size[2];
2442             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2443             p_extra = (uint8_t *)tracks[i_track]->fmt.p_extra; i_extra = 0;
2444             for( i = 0; i < 3; i++ )
2445             {
2446                 *(p_extra++) = i_size[i] >> 8;
2447                 *(p_extra++) = i_size[i] & 0xFF;
2448                 memcpy( p_extra, tracks[i_track]->p_extra_data + i_offset + i_extra,
2449                         i_size[i] );
2450                 p_extra += i_size[i];
2451                 i_extra += i_size[i];
2452             }
2453         }
2454         else if( !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG2/", strlen( "A_AAC/MPEG2/" ) ) ||
2455                  !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG4/", strlen( "A_AAC/MPEG4/" ) ) )
2456         {
2457             int i_profile, i_srate, sbr = 0;
2458             static unsigned int i_sample_rates[] =
2459             {
2460                     96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050,
2461                         16000, 12000, 11025, 8000,  7350,  0,     0,     0
2462             };
2463
2464             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
2465             /* create data for faad (MP4DecSpecificDescrTag)*/
2466
2467             if( !strcmp( &tracks[i_track]->psz_codec[12], "MAIN" ) )
2468             {
2469                 i_profile = 0;
2470             }
2471             else if( !strcmp( &tracks[i_track]->psz_codec[12], "LC" ) )
2472             {
2473                 i_profile = 1;
2474             }
2475             else if( !strcmp( &tracks[i_track]->psz_codec[12], "SSR" ) )
2476             {
2477                 i_profile = 2;
2478             }
2479             else if( !strcmp( &tracks[i_track]->psz_codec[12], "LC/SBR" ) )
2480             {
2481                 i_profile = 1;
2482                 sbr = 1;
2483             }
2484             else
2485             {
2486                 i_profile = 3;
2487             }
2488
2489             for( i_srate = 0; i_srate < 13; i_srate++ )
2490             {
2491                 if( i_sample_rates[i_srate] == tracks[i_track]->i_original_rate )
2492                 {
2493                     break;
2494                 }
2495             }
2496             msg_Dbg( &sys.demuxer, "profile=%d srate=%d", i_profile, i_srate );
2497
2498             tracks[i_track]->fmt.i_extra = sbr ? 5 : 2;
2499             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2500             ((uint8_t*)tracks[i_track]->fmt.p_extra)[0] = ((i_profile + 1) << 3) | ((i_srate&0xe) >> 1);
2501             ((uint8_t*)tracks[i_track]->fmt.p_extra)[1] = ((i_srate & 0x1) << 7) | (tracks[i_track]->fmt.audio.i_channels << 3);
2502             if (sbr != 0)
2503             {
2504                 int syncExtensionType = 0x2B7;
2505                 int iDSRI;
2506                 for (iDSRI=0; iDSRI<13; iDSRI++)
2507                     if( i_sample_rates[iDSRI] == tracks[i_track]->fmt.audio.i_rate )
2508                         break;
2509                 ((uint8_t*)tracks[i_track]->fmt.p_extra)[2] = (syncExtensionType >> 3) & 0xFF;
2510                 ((uint8_t*)tracks[i_track]->fmt.p_extra)[3] = ((syncExtensionType & 0x7) << 5) | 5;
2511                 ((uint8_t*)tracks[i_track]->fmt.p_extra)[4] = ((1 & 0x1) << 7) | (iDSRI << 3);
2512             }
2513         }
2514         else if( !strcmp( tracks[i_track]->psz_codec, "A_AAC" ) )
2515         {
2516             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
2517             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2518             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2519             memcpy( tracks[i_track]->fmt.p_extra, tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2520         }
2521         else if( !strcmp( tracks[i_track]->psz_codec, "A_WAVPACK4" ) )
2522         {
2523             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'W', 'V', 'P', 'K' );
2524             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2525             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2526             memcpy( tracks[i_track]->fmt.p_extra, tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2527         }
2528         else if( !strcmp( tracks[i_track]->psz_codec, "A_TTA1" ) )
2529         {
2530             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'T', 'T', 'A', '1' );
2531             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2532             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2533             memcpy( tracks[i_track]->fmt.p_extra, tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2534         }
2535         else if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) ||
2536                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/LIT" ) ||
2537                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/FLOAT/IEEE" ) )
2538         {
2539             if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) )
2540             {
2541                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
2542             }
2543             else
2544             {
2545                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
2546             }
2547             tracks[i_track]->fmt.audio.i_blockalign = ( tracks[i_track]->fmt.audio.i_bitspersample + 7 ) / 8 * tracks[i_track]->fmt.audio.i_channels;
2548         }
2549         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/UTF8" ) )
2550         {
2551             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 'u', 'b', 't' );
2552             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2553         }
2554         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/USF" ) )
2555         {
2556             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 's', 'f', ' ' );
2557             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2558             if( tracks[i_track]->i_extra_data )
2559             {
2560                 tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2561                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2562                 memcpy( tracks[i_track]->fmt.p_extra, tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2563             }
2564         }
2565         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/SSA" ) ||
2566                  !strcmp( tracks[i_track]->psz_codec, "S_TEXT/ASS" ) ||
2567                  !strcmp( tracks[i_track]->psz_codec, "S_SSA" ) ||
2568                  !strcmp( tracks[i_track]->psz_codec, "S_ASS" ))
2569         {
2570             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 's', 'a', ' ' );
2571             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2572             if( tracks[i_track]->i_extra_data )
2573             {
2574                 tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2575                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2576                 memcpy( tracks[i_track]->fmt.p_extra, tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2577             }
2578         }
2579         else if( !strcmp( tracks[i_track]->psz_codec, "S_VOBSUB" ) )
2580         {
2581             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's','p','u',' ' );
2582             if( tracks[i_track]->i_extra_data )
2583             {
2584                 char *p_start;
2585                 char *p_buf = (char *)malloc( tracks[i_track]->i_extra_data + 1);
2586                 memcpy( p_buf, tracks[i_track]->p_extra_data , tracks[i_track]->i_extra_data );
2587                 p_buf[tracks[i_track]->i_extra_data] = '\0';
2588
2589                 p_start = strstr( p_buf, "size:" );
2590                 if( sscanf( p_start, "size: %dx%d",
2591                         &tracks[i_track]->fmt.subs.spu.i_original_frame_width, &tracks[i_track]->fmt.subs.spu.i_original_frame_height ) == 2 )
2592                 {
2593                     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 );
2594                 }
2595                 else
2596                 {
2597                     msg_Warn( &sys.demuxer, "reading original frame size for vobsub failed" );
2598                 }
2599                 free( p_buf );
2600             }
2601         }
2602         else if( !strcmp( tracks[i_track]->psz_codec, "B_VOBBTN" ) )
2603         {
2604             tracks[i_track]->fmt.i_cat = NAV_ES;
2605             continue;
2606         }
2607         else
2608         {
2609             msg_Err( &sys.demuxer, "unknow codec id=`%s'", tracks[i_track]->psz_codec );
2610             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2611         }
2612         if( tracks[i_track]->b_default )
2613         {
2614             tracks[i_track]->fmt.i_priority = 1000;
2615         }
2616
2617         tracks[i_track]->p_es = es_out_Add( sys.demuxer.out, &tracks[i_track]->fmt );
2618
2619         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_start_time );
2620     }
2621
2622     sys.i_start_pts = i_start_time;
2623     // reset the stream reading to the first cluster of the segment used
2624     es.I_O().setFilePointer( i_start_pos );
2625
2626     delete ep;
2627     ep = new EbmlParser( &es, segment, &sys.demuxer );
2628
2629     return true;
2630 }
2631
2632 void demux_sys_t::StartUiThread()
2633 {
2634     if ( !b_ui_hooked )
2635     {
2636         msg_Dbg( &demuxer, "Starting the UI Hook" );
2637         b_ui_hooked = true;
2638         /* FIXME hack hack hack hack FIXME */
2639         /* Get p_input and create variable */
2640         p_input = (input_thread_t *) vlc_object_find( &demuxer, VLC_OBJECT_INPUT, FIND_PARENT );
2641         var_Create( p_input, "x-start", VLC_VAR_INTEGER );
2642         var_Create( p_input, "y-start", VLC_VAR_INTEGER );
2643         var_Create( p_input, "x-end", VLC_VAR_INTEGER );
2644         var_Create( p_input, "y-end", VLC_VAR_INTEGER );
2645         var_Create( p_input, "color", VLC_VAR_ADDRESS );
2646         var_Create( p_input, "menu-palette", VLC_VAR_ADDRESS );
2647         var_Create( p_input, "highlight", VLC_VAR_BOOL );
2648         var_Create( p_input, "highlight-mutex", VLC_VAR_MUTEX );
2649
2650         /* Now create our event thread catcher */
2651         p_ev = (event_thread_t *) vlc_object_create( &demuxer, sizeof( event_thread_t ) );
2652         p_ev->p_demux = &demuxer;
2653         p_ev->b_die = VLC_FALSE;
2654         vlc_mutex_init( p_ev, &p_ev->lock );
2655         vlc_thread_create( p_ev, "mkv event thread handler", EventThread,
2656                         VLC_THREAD_PRIORITY_LOW, VLC_FALSE );
2657     }
2658 }
2659
2660 void demux_sys_t::StopUiThread()
2661 {
2662     if ( b_ui_hooked )
2663     {
2664         vlc_object_kill( p_ev );
2665         vlc_thread_join( p_ev );
2666         vlc_object_destroy( p_ev );
2667
2668         p_ev = NULL;
2669
2670         var_Destroy( p_input, "highlight-mutex" );
2671         var_Destroy( p_input, "highlight" );
2672         var_Destroy( p_input, "x-start" );
2673         var_Destroy( p_input, "x-end" );
2674         var_Destroy( p_input, "y-start" );
2675         var_Destroy( p_input, "y-end" );
2676         var_Destroy( p_input, "color" );
2677         var_Destroy( p_input, "menu-palette" );
2678
2679         vlc_object_release( p_input );
2680
2681         msg_Dbg( &demuxer, "Stopping the UI Hook" );
2682     }
2683     b_ui_hooked = false;
2684 }
2685
2686 int demux_sys_t::EventMouse( vlc_object_t *p_this, char const *psz_var,
2687                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
2688 {
2689     event_thread_t *p_ev = (event_thread_t *) p_data;
2690     vlc_mutex_lock( &p_ev->lock );
2691     if( psz_var[6] == 'c' )
2692     {
2693         p_ev->b_clicked = VLC_TRUE;
2694         msg_Dbg( p_this, "Event Mouse: clicked");
2695     }
2696     else if( psz_var[6] == 'm' )
2697         p_ev->b_moved = VLC_TRUE;
2698     vlc_mutex_unlock( &p_ev->lock );
2699
2700     return VLC_SUCCESS;
2701 }
2702
2703 int demux_sys_t::EventKey( vlc_object_t *p_this, char const *psz_var,
2704                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
2705 {
2706     event_thread_t *p_ev = (event_thread_t *) p_data;
2707     vlc_mutex_lock( &p_ev->lock );
2708     p_ev->b_key = VLC_TRUE;
2709     vlc_mutex_unlock( &p_ev->lock );
2710     msg_Dbg( p_this, "Event Key");
2711
2712     return VLC_SUCCESS;
2713 }
2714
2715 int demux_sys_t::EventThread( vlc_object_t *p_this )
2716 {
2717     event_thread_t *p_ev = (event_thread_t*)p_this;
2718     demux_sys_t    *p_sys = p_ev->p_demux->p_sys;
2719     vlc_object_t   *p_vout = NULL;
2720
2721     p_ev->b_moved   = VLC_FALSE;
2722     p_ev->b_clicked = VLC_FALSE;
2723     p_ev->b_key     = VLC_FALSE;
2724
2725     /* catch all key event */
2726     var_AddCallback( p_ev->p_libvlc, "key-pressed", EventKey, p_ev );
2727
2728     /* main loop */
2729     while( !p_ev->b_die )
2730     {
2731         if ( !p_sys->b_pci_packet_set )
2732         {
2733             /* Wait 100ms */
2734             msleep( 100000 );
2735             continue;
2736         }
2737
2738         vlc_bool_t b_activated = VLC_FALSE;
2739
2740         /* KEY part */
2741         if( p_ev->b_key )
2742         {
2743             vlc_value_t valk;
2744             struct libvlc_int_t::hotkey *p_hotkeys = p_ev->p_libvlc->p_hotkeys;
2745             int i, i_action = -1;
2746
2747             msg_Dbg( p_ev->p_demux, "Handle Key Event");
2748
2749             vlc_mutex_lock( &p_ev->lock );
2750
2751             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2752
2753             var_Get( p_ev->p_libvlc, "key-pressed", &valk );
2754             for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
2755             {
2756                 if( p_hotkeys[i].i_key == valk.i_int )
2757                 {
2758                     i_action = p_hotkeys[i].i_action;
2759                 }
2760             }
2761
2762             uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2763
2764             switch( i_action )
2765             {
2766             case ACTIONID_NAV_LEFT:
2767                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2768                 {
2769                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2770                     if ( p_button_ptr->left > 0 && p_button_ptr->left <= pci->hli.hl_gi.btn_ns )
2771                     {
2772                         i_curr_button = p_button_ptr->left;
2773                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2774                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2775                         if ( button_ptr.auto_action_mode )
2776                         {
2777                             vlc_mutex_unlock( &p_ev->lock );
2778                             vlc_mutex_lock( &p_sys->lock_demuxer );
2779
2780                             // process the button action
2781                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2782
2783                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2784                             vlc_mutex_lock( &p_ev->lock );
2785                         }
2786                     }
2787                 }
2788                 break;
2789             case ACTIONID_NAV_RIGHT:
2790                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2791                 {
2792                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2793                     if ( p_button_ptr->right > 0 && p_button_ptr->right <= pci->hli.hl_gi.btn_ns )
2794                     {
2795                         i_curr_button = p_button_ptr->right;
2796                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2797                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2798                         if ( button_ptr.auto_action_mode )
2799                         {
2800                             vlc_mutex_unlock( &p_ev->lock );
2801                             vlc_mutex_lock( &p_sys->lock_demuxer );
2802
2803                             // process the button action
2804                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2805
2806                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2807                             vlc_mutex_lock( &p_ev->lock );
2808                         }
2809                     }
2810                 }
2811                 break;
2812             case ACTIONID_NAV_UP:
2813                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2814                 {
2815                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2816                     if ( p_button_ptr->up > 0 && p_button_ptr->up <= pci->hli.hl_gi.btn_ns )
2817                     {
2818                         i_curr_button = p_button_ptr->up;
2819                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2820                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2821                         if ( button_ptr.auto_action_mode )
2822                         {
2823                             vlc_mutex_unlock( &p_ev->lock );
2824                             vlc_mutex_lock( &p_sys->lock_demuxer );
2825
2826                             // process the button action
2827                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2828
2829                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2830                             vlc_mutex_lock( &p_ev->lock );
2831                         }
2832                     }
2833                 }
2834                 break;
2835             case ACTIONID_NAV_DOWN:
2836                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2837                 {
2838                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2839                     if ( p_button_ptr->down > 0 && p_button_ptr->down <= pci->hli.hl_gi.btn_ns )
2840                     {
2841                         i_curr_button = p_button_ptr->down;
2842                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2843                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2844                         if ( button_ptr.auto_action_mode )
2845                         {
2846                             vlc_mutex_unlock( &p_ev->lock );
2847                             vlc_mutex_lock( &p_sys->lock_demuxer );
2848
2849                             // process the button action
2850                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2851
2852                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2853                             vlc_mutex_lock( &p_ev->lock );
2854                         }
2855                     }
2856                 }
2857                 break;
2858             case ACTIONID_NAV_ACTIVATE:
2859                 b_activated = VLC_TRUE;
2860
2861                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2862                 {
2863                     btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2864
2865                     vlc_mutex_unlock( &p_ev->lock );
2866                     vlc_mutex_lock( &p_sys->lock_demuxer );
2867
2868                     // process the button action
2869                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2870
2871                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2872                     vlc_mutex_lock( &p_ev->lock );
2873                 }
2874                 break;
2875             default:
2876                 break;
2877             }
2878             p_ev->b_key = VLC_FALSE;
2879             vlc_mutex_unlock( &p_ev->lock );
2880         }
2881
2882         /* MOUSE part */
2883         if( p_vout && ( p_ev->b_moved || p_ev->b_clicked ) )
2884         {
2885             vlc_value_t valx, valy;
2886
2887             vlc_mutex_lock( &p_ev->lock );
2888             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2889             var_Get( p_vout, "mouse-x", &valx );
2890             var_Get( p_vout, "mouse-y", &valy );
2891
2892             if( p_ev->b_clicked )
2893             {
2894                 int32_t button;
2895                 int32_t best,dist,d;
2896                 int32_t mx,my,dx,dy;
2897
2898                 msg_Dbg( p_ev->p_demux, "Handle Mouse Event: Mouse clicked x(%d)*y(%d)", (unsigned)valx.i_int, (unsigned)valy.i_int);
2899
2900                 b_activated = VLC_TRUE;
2901                 // get current button
2902                 best = 0;
2903                 dist = 0x08000000; /* >> than  (720*720)+(567*567); */
2904                 for(button = 1; button <= pci->hli.hl_gi.btn_ns; button++)
2905                 {
2906                     btni_t *button_ptr = &(pci->hli.btnit[button-1]);
2907
2908                     if(((unsigned)valx.i_int >= button_ptr->x_start)
2909                      && ((unsigned)valx.i_int <= button_ptr->x_end)
2910                      && ((unsigned)valy.i_int >= button_ptr->y_start)
2911                      && ((unsigned)valy.i_int <= button_ptr->y_end))
2912                     {
2913                         mx = (button_ptr->x_start + button_ptr->x_end)/2;
2914                         my = (button_ptr->y_start + button_ptr->y_end)/2;
2915                         dx = mx - valx.i_int;
2916                         dy = my - valy.i_int;
2917                         d = (dx*dx) + (dy*dy);
2918                         /* If the mouse is within the button and the mouse is closer
2919                         * to the center of this button then it is the best choice. */
2920                         if(d < dist) {
2921                             dist = d;
2922                             best = button;
2923                         }
2924                     }
2925                 }
2926
2927                 if ( best != 0)
2928                 {
2929                     btni_t button_ptr = pci->hli.btnit[best-1];
2930                     uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2931
2932                     msg_Dbg( &p_sys->demuxer, "Clicked button %d", best );
2933                     vlc_mutex_unlock( &p_ev->lock );
2934                     vlc_mutex_lock( &p_sys->lock_demuxer );
2935
2936                     // process the button action
2937                     p_sys->dvd_interpretor.SetSPRM( 0x88, best );
2938                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2939
2940                     msg_Dbg( &p_sys->demuxer, "Processed button %d", best );
2941
2942                     // select new button
2943                     if ( best != i_curr_button )
2944                     {
2945                         vlc_value_t val;
2946
2947                         if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
2948                         {
2949                             vlc_mutex_t *p_mutex = (vlc_mutex_t *) val.p_address;
2950                             uint32_t i_palette;
2951
2952                             if(button_ptr.btn_coln != 0) {
2953                                 i_palette = pci->hli.btn_colit.btn_coli[button_ptr.btn_coln-1][1];
2954                             } else {
2955                                 i_palette = 0;
2956                             }
2957
2958                             for( int i = 0; i < 4; i++ )
2959                             {
2960                                 uint32_t i_yuv = 0xFF;//p_sys->clut[(hl.palette>>(16+i*4))&0x0f];
2961                                 uint8_t i_alpha = (i_palette>>(i*4))&0x0f;
2962                                 i_alpha = i_alpha == 0xf ? 0xff : i_alpha << 4;
2963
2964                                 p_sys->palette[i][0] = (i_yuv >> 16) & 0xff;
2965                                 p_sys->palette[i][1] = (i_yuv >> 0) & 0xff;
2966                                 p_sys->palette[i][2] = (i_yuv >> 8) & 0xff;
2967                                 p_sys->palette[i][3] = i_alpha;
2968                             }
2969
2970                             vlc_mutex_lock( p_mutex );
2971                             val.i_int = button_ptr.x_start; var_Set( p_sys->p_input, "x-start", val );
2972                             val.i_int = button_ptr.x_end;   var_Set( p_sys->p_input, "x-end",   val );
2973                             val.i_int = button_ptr.y_start; var_Set( p_sys->p_input, "y-start", val );
2974                             val.i_int = button_ptr.y_end;   var_Set( p_sys->p_input, "y-end",   val );
2975
2976                             val.p_address = (void *)p_sys->palette;
2977                             var_Set( p_sys->p_input, "menu-palette", val );
2978
2979                             val.b_bool = VLC_TRUE; var_Set( p_sys->p_input, "highlight", val );
2980                             vlc_mutex_unlock( p_mutex );
2981                         }
2982                     }
2983                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2984                     vlc_mutex_lock( &p_ev->lock );
2985                 }
2986             }
2987             else if( p_ev->b_moved )
2988             {
2989 //                dvdnav_mouse_select( NULL, pci, valx.i_int, valy.i_int );
2990             }
2991
2992             p_ev->b_moved = VLC_FALSE;
2993             p_ev->b_clicked = VLC_FALSE;
2994             vlc_mutex_unlock( &p_ev->lock );
2995         }
2996
2997         /* VOUT part */
2998         if( p_vout && p_vout->b_die )
2999         {
3000             var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
3001             var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
3002             vlc_object_release( p_vout );
3003             p_vout = NULL;
3004         }
3005
3006         else if( p_vout == NULL )
3007         {
3008             p_vout = (vlc_object_t*) vlc_object_find( p_sys->p_input, VLC_OBJECT_VOUT,
3009                                       FIND_CHILD );
3010             if( p_vout)
3011             {
3012                 var_AddCallback( p_vout, "mouse-moved", EventMouse, p_ev );
3013                 var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
3014             }
3015         }
3016
3017         /* Wait a bit, 10ms */
3018         msleep( 10000 );
3019     }
3020
3021     /* Release callback */
3022     if( p_vout )
3023     {
3024         var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
3025         var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
3026         vlc_object_release( p_vout );
3027     }
3028     var_DelCallback( p_ev->p_libvlc, "key-pressed", EventKey, p_ev );
3029
3030     vlc_mutex_destroy( &p_ev->lock );
3031
3032     return VLC_SUCCESS;
3033 }
3034
3035 void matroska_segment_c::UnSelect( )
3036 {
3037     size_t i_track;
3038
3039     for( i_track = 0; i_track < tracks.size(); i_track++ )
3040     {
3041         if ( tracks[i_track]->p_es != NULL )
3042         {
3043 //            es_format_Clean( &tracks[i_track]->fmt );
3044             es_out_Del( sys.demuxer.out, tracks[i_track]->p_es );
3045             tracks[i_track]->p_es = NULL;
3046         }
3047     }
3048     delete ep;
3049     ep = NULL;
3050 }
3051
3052 void virtual_segment_c::PrepareChapters( )
3053 {
3054     if ( linked_segments.size() == 0 )
3055         return;
3056
3057     // !!! should be called only once !!!
3058     matroska_segment_c *p_segment;
3059     size_t i, j;
3060
3061     // copy editions from the first segment
3062     p_segment = linked_segments[0];
3063     p_editions = &p_segment->stored_editions;
3064
3065     for ( i=1 ; i<linked_segments.size(); i++ )
3066     {
3067         p_segment = linked_segments[i];
3068         // FIXME assume we have the same editions in all segments
3069         for (j=0; j<p_segment->stored_editions.size(); j++)
3070             (*p_editions)[j]->Append( *p_segment->stored_editions[j] );
3071     }
3072 }
3073
3074 std::string chapter_edition_c::GetMainName() const
3075 {
3076     if ( sub_chapters.size() )
3077     {
3078         return sub_chapters[0]->GetCodecName( true );
3079     }
3080     return "";
3081 }
3082
3083 int chapter_item_c::PublishChapters( input_title_t & title, int & i_user_chapters, int i_level )
3084 {
3085     // add support for meta-elements from codec like DVD Titles
3086     if ( !b_display_seekpoint || psz_name == "" )
3087     {
3088         psz_name = GetCodecName();
3089         if ( psz_name != "" )
3090             b_display_seekpoint = true;
3091     }
3092
3093     if (b_display_seekpoint)
3094     {
3095         seekpoint_t *sk = vlc_seekpoint_New();
3096
3097         sk->i_level = i_level;
3098         sk->i_time_offset = i_start_time;
3099         sk->psz_name = strdup( psz_name.c_str() );
3100
3101         // A start time of '0' is ok. A missing ChapterTime element is ok, too, because '0' is its default value.
3102         title.i_seekpoint++;
3103         title.seekpoint = (seekpoint_t**)realloc( title.seekpoint, title.i_seekpoint * sizeof( seekpoint_t* ) );
3104         title.seekpoint[title.i_seekpoint-1] = sk;
3105
3106         if ( b_user_display )
3107             i_user_chapters++;
3108     }
3109
3110     for ( size_t i=0; i<sub_chapters.size() ; i++)
3111     {
3112         sub_chapters[i]->PublishChapters( title, i_user_chapters, i_level+1 );
3113     }
3114
3115     i_seekpoint_num = i_user_chapters;
3116
3117     return i_user_chapters;
3118 }
3119
3120 bool virtual_segment_c::UpdateCurrentToChapter( demux_t & demux )
3121 {
3122     demux_sys_t & sys = *demux.p_sys;
3123     chapter_item_c *psz_curr_chapter;
3124     bool b_has_seeked = false;
3125
3126     /* update current chapter/seekpoint */
3127     if ( p_editions->size() )
3128     {
3129         /* 1st, we need to know in which chapter we are */
3130         psz_curr_chapter = (*p_editions)[i_current_edition]->FindTimecode( sys.i_pts, psz_current_chapter );
3131
3132         /* we have moved to a new chapter */
3133         if (psz_curr_chapter != NULL && psz_current_chapter != psz_curr_chapter)
3134         {
3135             if ( (*p_editions)[i_current_edition]->b_ordered )
3136             {
3137                 // Leave/Enter up to the link point
3138                 b_has_seeked = psz_curr_chapter->EnterAndLeave( psz_current_chapter );
3139                 if ( !b_has_seeked )
3140                 {
3141                     // only physically seek if necessary
3142                     if ( psz_current_chapter == NULL || (psz_current_chapter->i_end_time != psz_curr_chapter->i_start_time) )
3143                         Seek( demux, sys.i_pts, 0, psz_curr_chapter );
3144                 }
3145             }
3146
3147             if ( !b_has_seeked )
3148             {
3149                 psz_current_chapter = psz_curr_chapter;
3150                 if ( psz_curr_chapter->i_seekpoint_num > 0 )
3151                 {
3152                     demux.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
3153                     demux.info.i_title = sys.i_current_title = i_sys_title;
3154                     demux.info.i_seekpoint = psz_curr_chapter->i_seekpoint_num - 1;
3155                 }
3156             }
3157
3158             return true;
3159         }
3160         else if (psz_curr_chapter == NULL)
3161         {
3162             // out of the scope of the data described by chapters, leave the edition
3163             if ( (*p_editions)[i_current_edition]->b_ordered && psz_current_chapter != NULL )
3164             {
3165                 if ( !(*p_editions)[i_current_edition]->EnterAndLeave( psz_current_chapter, false ) )
3166                     psz_current_chapter = NULL;
3167                 else
3168                     return true;
3169             }
3170         }
3171     }
3172     return false;
3173 }
3174
3175 chapter_item_c *virtual_segment_c::BrowseCodecPrivate( unsigned int codec_id,
3176                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
3177                                     const void *p_cookie,
3178                                     size_t i_cookie_size )
3179 {
3180     // FIXME don't assume it is the first edition
3181     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
3182     if ( index != p_editions->end() )
3183     {
3184         chapter_item_c *p_result = (*index)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
3185         if ( p_result != NULL )
3186             return p_result;
3187     }
3188     return NULL;
3189 }
3190
3191 chapter_item_c *virtual_segment_c::FindChapter( int64_t i_find_uid )
3192 {
3193     // FIXME don't assume it is the first edition
3194     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
3195     if ( index != p_editions->end() )
3196     {
3197         chapter_item_c *p_result = (*index)->FindChapter( i_find_uid );
3198         if ( p_result != NULL )
3199             return p_result;
3200     }
3201     return NULL;
3202 }
3203
3204 chapter_item_c *chapter_item_c::BrowseCodecPrivate( unsigned int codec_id,
3205                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
3206                                     const void *p_cookie,
3207                                     size_t i_cookie_size )
3208 {
3209     // this chapter
3210     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
3211     while ( index != codecs.end() )
3212     {
3213         if ( match( **index ,p_cookie, i_cookie_size ) )
3214             return this;
3215         index++;
3216     }
3217
3218     // sub-chapters
3219     chapter_item_c *p_result = NULL;
3220     std::vector<chapter_item_c*>::const_iterator index2 = sub_chapters.begin();
3221     while ( index2 != sub_chapters.end() )
3222     {
3223         p_result = (*index2)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
3224         if ( p_result != NULL )
3225             return p_result;
3226         index2++;
3227     }
3228
3229     return p_result;
3230 }
3231
3232 void chapter_item_c::Append( const chapter_item_c & chapter )
3233 {
3234     // we are appending content for the same chapter UID
3235     size_t i;
3236     chapter_item_c *p_chapter;
3237
3238     for ( i=0; i<chapter.sub_chapters.size(); i++ )
3239     {
3240         p_chapter = FindChapter( chapter.sub_chapters[i]->i_uid );
3241         if ( p_chapter != NULL )
3242         {
3243             p_chapter->Append( *chapter.sub_chapters[i] );
3244         }
3245         else
3246         {
3247             sub_chapters.push_back( chapter.sub_chapters[i] );
3248         }
3249     }
3250
3251     i_user_start_time = min( i_user_start_time, chapter.i_user_start_time );
3252     i_user_end_time = max( i_user_end_time, chapter.i_user_end_time );
3253 }
3254
3255 chapter_item_c * chapter_item_c::FindChapter( int64_t i_find_uid )
3256 {
3257     size_t i;
3258     chapter_item_c *p_result = NULL;
3259
3260     if ( i_uid == i_find_uid )
3261         return this;
3262
3263     for ( i=0; i<sub_chapters.size(); i++)
3264     {
3265         p_result = sub_chapters[i]->FindChapter( i_find_uid );
3266         if ( p_result != NULL )
3267             break;
3268     }
3269     return p_result;
3270 }
3271
3272 std::string chapter_item_c::GetCodecName( bool f_for_title ) const
3273 {
3274     std::string result;
3275
3276     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
3277     while ( index != codecs.end() )
3278     {
3279         result = (*index)->GetCodecName( f_for_title );
3280         if ( result != "" )
3281             break;
3282         index++;
3283     }
3284
3285     return result;
3286 }
3287
3288 std::string dvd_chapter_codec_c::GetCodecName( bool f_for_title ) const
3289 {
3290     std::string result;
3291     if ( p_private_data->GetSize() >= 3)
3292     {
3293         const binary* p_data = p_private_data->GetBuffer();
3294 /*        if ( p_data[0] == MATROSKA_DVD_LEVEL_TT )
3295         {
3296             uint16_t i_title = (p_data[1] << 8) + p_data[2];
3297             char psz_str[11];
3298             sprintf( psz_str, " %d  ---", i_title );
3299             result = N_("---  DVD Title");
3300             result += psz_str;
3301         }
3302         else */ if ( p_data[0] == MATROSKA_DVD_LEVEL_LU )
3303         {
3304             char psz_str[11];
3305             sprintf( psz_str, " (%c%c)  ---", p_data[1], p_data[2] );
3306             result = N_("---  DVD Menu");
3307             result += psz_str;
3308         }
3309         else if ( p_data[0] == MATROSKA_DVD_LEVEL_SS && f_for_title )
3310         {
3311             if ( p_data[1] == 0x00 )
3312                 result = N_("First Played");
3313             else if ( p_data[1] == 0xC0 )
3314                 result = N_("Video Manager");
3315             else if ( p_data[1] == 0x80 )
3316             {
3317                 uint16_t i_title = (p_data[2] << 8) + p_data[3];
3318                 char psz_str[20];
3319                 sprintf( psz_str, " %d -----", i_title );
3320                 result = N_("----- Title");
3321                 result += psz_str;
3322             }
3323         }
3324     }
3325
3326     return result;
3327 }
3328
3329 int16 chapter_item_c::GetTitleNumber( ) const
3330 {
3331     int result = -1;
3332
3333     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
3334     while ( index != codecs.end() )
3335     {
3336         result = (*index)->GetTitleNumber( );
3337         if ( result >= 0 )
3338             break;
3339         index++;
3340     }
3341
3342     return result;
3343 }
3344
3345 int16 dvd_chapter_codec_c::GetTitleNumber()
3346 {
3347     if ( p_private_data->GetSize() >= 3)
3348     {
3349         const binary* p_data = p_private_data->GetBuffer();
3350         if ( p_data[0] == MATROSKA_DVD_LEVEL_SS )
3351         {
3352             return int16( (p_data[2] << 8) + p_data[3] );
3353         }
3354     }
3355     return -1;
3356 }
3357
3358 static void Seek( demux_t *p_demux, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter )
3359 {
3360     demux_sys_t        *p_sys = p_demux->p_sys;
3361     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3362     matroska_segment_c *p_segment = p_vsegment->Segment();
3363     mtime_t            i_time_offset = 0;
3364
3365     int         i_index;
3366
3367     msg_Dbg( p_demux, "seek request to "I64Fd" (%f%%)", i_date, f_percent );
3368     if( i_date < 0 && f_percent < 0 )
3369     {
3370         msg_Warn( p_demux, "cannot seek nowhere !" );
3371         return;
3372     }
3373     if( f_percent > 1.0 )
3374     {
3375         msg_Warn( p_demux, "cannot seek so far !" );
3376         return;
3377     }
3378
3379     /* seek without index or without date */
3380     if( f_percent >= 0 && (config_GetInt( p_demux, "mkv-seek-percent" ) || !p_segment->b_cues || i_date < 0 ))
3381     {
3382         if (p_sys->f_duration >= 0)
3383         {
3384             i_date = int64_t( f_percent * p_sys->f_duration * 1000.0 );
3385         }
3386         else
3387         {
3388             int64_t i_pos = int64_t( f_percent * stream_Size( p_demux->s ) );
3389
3390             msg_Dbg( p_demux, "inacurate way of seeking" );
3391             for( i_index = 0; i_index < p_segment->i_index; i_index++ )
3392             {
3393                 if( p_segment->p_indexes[i_index].i_position >= i_pos)
3394                 {
3395                     break;
3396                 }
3397             }
3398             if( i_index == p_segment->i_index )
3399             {
3400                 i_index--;
3401             }
3402
3403             i_date = p_segment->p_indexes[i_index].i_time;
3404
3405 #if 0
3406             if( p_segment->p_indexes[i_index].i_position < i_pos )
3407             {
3408                 EbmlElement *el;
3409
3410                 msg_Warn( p_demux, "searching for cluster, could take some time" );
3411
3412                 /* search a cluster */
3413                 while( ( el = p_sys->ep->Get() ) != NULL )
3414                 {
3415                     if( MKV_IS_ID( el, KaxCluster ) )
3416                     {
3417                         KaxCluster *cluster = (KaxCluster*)el;
3418
3419                         /* add it to the index */
3420                         p_segment->IndexAppendCluster( cluster );
3421
3422                         if( (int64_t)cluster->GetElementPosition() >= i_pos )
3423                         {
3424                             p_sys->cluster = cluster;
3425                             p_sys->ep->Down();
3426                             break;
3427                         }
3428                     }
3429                 }
3430             }
3431 #endif
3432         }
3433     }
3434
3435     p_vsegment->Seek( *p_demux, i_date, i_time_offset, psz_chapter );
3436 }
3437
3438 /*****************************************************************************
3439  * Demux: reads and demuxes data packets
3440  *****************************************************************************
3441  * Returns -1 in case of error, 0 in case of EOF, 1 otherwise
3442  *****************************************************************************/
3443 static int Demux( demux_t *p_demux)
3444 {
3445     demux_sys_t        *p_sys = p_demux->p_sys;
3446
3447     vlc_mutex_lock( &p_sys->lock_demuxer );
3448
3449     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3450     matroska_segment_c *p_segment = p_vsegment->Segment();
3451     if ( p_segment == NULL ) return 0;
3452     int                i_block_count = 0;
3453     int                i_return = 0;
3454
3455     for( ;; )
3456     {
3457         if ( p_sys->demuxer.b_die )
3458             break;
3459
3460         if( p_sys->i_pts >= p_sys->i_start_pts  )
3461             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3462             {
3463                 i_return = 1;
3464                 break;
3465             }
3466
3467         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3468         {
3469             /* nothing left to read in this ordered edition */
3470             if ( !p_vsegment->SelectNext() )
3471                 break;
3472             p_segment->UnSelect( );
3473
3474             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3475
3476             /* switch to the next segment */
3477             p_segment = p_vsegment->Segment();
3478             if ( !p_segment->Select( 0 ) )
3479             {
3480                 msg_Err( p_demux, "Failed to select new segment" );
3481                 break;
3482             }
3483             continue;
3484         }
3485
3486         KaxBlock *block;
3487         int64_t i_block_duration = 0;
3488         int64_t i_block_ref1;
3489         int64_t i_block_ref2;
3490
3491 #if LIBMATROSKA_VERSION >= 0x000800
3492         KaxSimpleBlock *simpleblock;
3493
3494         if( p_segment->BlockGet( block, simpleblock, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
3495 #else
3496         if( p_segment->BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
3497 #endif
3498         {
3499             if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered )
3500             {
3501                 const chapter_item_c *p_chap = p_vsegment->CurrentChapter();
3502                 // check if there are more chapters to read
3503                 if ( p_chap != NULL )
3504                 {
3505                     /* TODO handle successive chapters with the same user_start_time/user_end_time
3506                     if ( p_chap->i_user_start_time == p_chap->i_user_start_time )
3507                         p_vsegment->SelectNext();
3508                     */
3509                     p_sys->i_pts = p_chap->i_user_end_time;
3510                     p_sys->i_pts++; // trick to avoid staying on segments with no duration and no content
3511
3512                     i_return = 1;
3513                 }
3514
3515                 break;
3516             }
3517             else
3518             {
3519                 msg_Warn( p_demux, "cannot get block EOF?" );
3520                 p_segment->UnSelect( );
3521
3522                 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3523
3524                 /* switch to the next segment */
3525                 if ( !p_vsegment->SelectNext() )
3526                     // no more segments in this stream
3527                     break;
3528                 p_segment = p_vsegment->Segment();
3529                 if ( !p_segment->Select( 0 ) )
3530                 {
3531                     msg_Err( p_demux, "Failed to select new segment" );
3532                     break;
3533                 }
3534
3535                 continue;
3536             }
3537         }
3538
3539 #if LIBMATROSKA_VERSION >= 0x000800
3540         if ( simpleblock != NULL )
3541             p_sys->i_pts = (p_sys->i_chapter_time + simpleblock->GlobalTimecode()) / (mtime_t) 1000;
3542         else
3543 #endif
3544         p_sys->i_pts = (p_sys->i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
3545
3546         if( p_sys->i_pts >= p_sys->i_start_pts  )
3547         {
3548             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pts );
3549
3550             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3551             {
3552                 i_return = 1;
3553                 delete block;
3554                 break;
3555             }
3556         }
3557
3558         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3559         {
3560             /* nothing left to read in this ordered edition */
3561             if ( !p_vsegment->SelectNext() )
3562             {
3563                 delete block;
3564                 break;
3565             }
3566             p_segment->UnSelect( );
3567
3568             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3569
3570             /* switch to the next segment */
3571             p_segment = p_vsegment->Segment();
3572             if ( !p_segment->Select( 0 ) )
3573             {
3574                 msg_Err( p_demux, "Failed to select new segment" );
3575                 delete block;
3576                 break;
3577             }
3578             delete block;
3579             continue;
3580         }
3581
3582 #if LIBMATROSKA_VERSION >= 0x000800
3583         BlockDecode( p_demux, block, simpleblock, p_sys->i_pts, i_block_duration, i_block_ref1 >= 0 || i_block_ref2 > 0 );
3584 #else
3585         BlockDecode( p_demux, block, p_sys->i_pts, i_block_duration, i_block_ref1 >= 0 || i_block_ref2 > 0 );
3586 #endif
3587
3588         delete block;
3589         i_block_count++;
3590
3591         // TODO optimize when there is need to leave or when seeking has been called
3592         if( i_block_count > 5 )
3593         {
3594             i_return = 1;
3595             break;
3596         }
3597     }
3598
3599     vlc_mutex_unlock( &p_sys->lock_demuxer );
3600
3601     return i_return;
3602 }
3603
3604
3605
3606 /*****************************************************************************
3607  * Stream managment
3608  *****************************************************************************/
3609 vlc_stream_io_callback::vlc_stream_io_callback( stream_t *s_, vlc_bool_t b_owner_ )
3610 {
3611     s = s_;
3612     b_owner = b_owner_;
3613     mb_eof = VLC_FALSE;
3614 }
3615
3616 uint32 vlc_stream_io_callback::read( void *p_buffer, size_t i_size )
3617 {
3618     if( i_size <= 0 || mb_eof )
3619     {
3620         return 0;
3621     }
3622
3623     return stream_Read( s, p_buffer, i_size );
3624 }
3625 void vlc_stream_io_callback::setFilePointer(int64_t i_offset, seek_mode mode )
3626 {
3627     int64_t i_pos;
3628
3629     switch( mode )
3630     {
3631         case seek_beginning:
3632             i_pos = i_offset;
3633             break;
3634         case seek_end:
3635             i_pos = stream_Size( s ) - i_offset;
3636             break;
3637         default:
3638             i_pos= stream_Tell( s ) + i_offset;
3639             break;
3640     }
3641
3642     if( i_pos < 0 || i_pos >= stream_Size( s ) )
3643     {
3644         mb_eof = VLC_TRUE;
3645         return;
3646     }
3647
3648     mb_eof = VLC_FALSE;
3649     if( stream_Seek( s, i_pos ) )
3650     {
3651         mb_eof = VLC_TRUE;
3652     }
3653     return;
3654 }
3655 size_t vlc_stream_io_callback::write( const void *p_buffer, size_t i_size )
3656 {
3657     return 0;
3658 }
3659 uint64 vlc_stream_io_callback::getFilePointer( void )
3660 {
3661     if ( s == NULL )
3662         return 0;
3663     return stream_Tell( s );
3664 }
3665 void vlc_stream_io_callback::close( void )
3666 {
3667     return;
3668 }
3669
3670
3671 /*****************************************************************************
3672  * Ebml Stream parser
3673  *****************************************************************************/
3674 EbmlParser::EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux )
3675 {
3676     int i;
3677
3678     m_es = es;
3679     m_got = NULL;
3680     m_el[0] = el_start;
3681     mi_remain_size[0] = el_start->GetSize();
3682
3683     for( i = 1; i < 6; i++ )
3684     {
3685         m_el[i] = NULL;
3686     }
3687     mi_level = 1;
3688     mi_user_level = 1;
3689     mb_keep = VLC_FALSE;
3690     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3691 }
3692
3693 EbmlParser::~EbmlParser( void )
3694 {
3695     int i;
3696
3697     for( i = 1; i < mi_level; i++ )
3698     {
3699         if( !mb_keep )
3700         {
3701             delete m_el[i];
3702         }
3703         mb_keep = VLC_FALSE;
3704     }
3705 }
3706
3707 EbmlElement* EbmlParser::UnGet( uint64 i_block_pos, uint64 i_cluster_pos )
3708 {
3709     if ( mi_user_level > mi_level )
3710     {
3711         while ( mi_user_level != mi_level )
3712         {
3713             delete m_el[mi_user_level];
3714             m_el[mi_user_level] = NULL;
3715             mi_user_level--;
3716         }
3717     }
3718     m_got = NULL;
3719     mb_keep = VLC_FALSE;
3720     if ( m_el[1]->GetElementPosition() == i_cluster_pos )
3721     {
3722         m_es->I_O().setFilePointer( i_block_pos, seek_beginning );
3723         return (EbmlMaster*) m_el[1];
3724     }
3725     else
3726     {
3727         // seek to the previous Cluster
3728         m_es->I_O().setFilePointer( i_cluster_pos, seek_beginning );
3729         mi_level--;
3730         mi_user_level--;
3731         delete m_el[mi_level];
3732         m_el[mi_level] = NULL;
3733         return NULL;
3734     }
3735 }
3736
3737 void EbmlParser::Up( void )
3738 {
3739     if( mi_user_level == mi_level )
3740     {
3741         fprintf( stderr," arrrrrrrrrrrrrg Up cannot escape itself\n" );
3742     }
3743
3744     mi_user_level--;
3745 }
3746
3747 void EbmlParser::Down( void )
3748 {
3749     mi_user_level++;
3750     mi_level++;
3751 }
3752
3753 void EbmlParser::Keep( void )
3754 {
3755     mb_keep = VLC_TRUE;
3756 }
3757
3758 int EbmlParser::GetLevel( void )
3759 {
3760     return mi_user_level;
3761 }
3762
3763 void EbmlParser::Reset( demux_t *p_demux )
3764 {
3765     while ( mi_level > 0)
3766     {
3767         delete m_el[mi_level];
3768         m_el[mi_level] = NULL;
3769         mi_level--;
3770     }
3771     mi_user_level = mi_level = 1;
3772 #if LIBEBML_VERSION >= 0x000704
3773     // a little faster and cleaner
3774     m_es->I_O().setFilePointer( static_cast<KaxSegment*>(m_el[0])->GetGlobalPosition(0) );
3775 #else
3776     m_es->I_O().setFilePointer( m_el[0]->GetElementPosition() + m_el[0]->ElementSize(true) - m_el[0]->GetSize() );
3777 #endif
3778     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3779 }
3780
3781 EbmlElement *EbmlParser::Get( void )
3782 {
3783     int i_ulev = 0;
3784
3785     if( mi_user_level != mi_level )
3786     {
3787         return NULL;
3788     }
3789     if( m_got )
3790     {
3791         EbmlElement *ret = m_got;
3792         m_got = NULL;
3793
3794         return ret;
3795     }
3796
3797     if( m_el[mi_level] )
3798     {
3799         m_el[mi_level]->SkipData( *m_es, m_el[mi_level]->Generic().Context );
3800         if( !mb_keep )
3801         {
3802             delete m_el[mi_level];
3803         }
3804         mb_keep = VLC_FALSE;
3805     }
3806
3807     m_el[mi_level] = m_es->FindNextElement( m_el[mi_level - 1]->Generic().Context, i_ulev, 0xFFFFFFFFL, mb_dummy != 0, 1 );
3808 //    mi_remain_size[mi_level] = m_el[mi_level]->GetSize();
3809     if( i_ulev > 0 )
3810     {
3811         while( i_ulev > 0 )
3812         {
3813             if( mi_level == 1 )
3814             {
3815                 mi_level = 0;
3816                 return NULL;
3817             }
3818
3819             delete m_el[mi_level - 1];
3820             m_got = m_el[mi_level -1] = m_el[mi_level];
3821             m_el[mi_level] = NULL;
3822
3823             mi_level--;
3824             i_ulev--;
3825         }
3826         return NULL;
3827     }
3828     else if( m_el[mi_level] == NULL )
3829     {
3830         fprintf( stderr," m_el[mi_level] == NULL\n" );
3831     }
3832
3833     return m_el[mi_level];
3834 }
3835
3836
3837 /*****************************************************************************
3838  * Tools
3839  *  * LoadCues : load the cues element and update index
3840  *
3841  *  * LoadTags : load ... the tags element
3842  *
3843  *  * InformationCreate : create all information, load tags if present
3844  *
3845  *****************************************************************************/
3846 void matroska_segment_c::LoadCues( )
3847 {
3848     int64_t     i_sav_position = es.I_O().getFilePointer();
3849     EbmlParser  *ep;
3850     EbmlElement *el, *cues;
3851
3852     /* *** Load the cue if found *** */
3853     if( i_cues_position < 0 )
3854     {
3855         msg_Warn( &sys.demuxer, "no cues/empty cues found->seek won't be precise" );
3856
3857 //        IndexAppendCluster( cluster );
3858     }
3859
3860     vlc_bool_t b_seekable;
3861
3862     stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
3863     if( !b_seekable )
3864         return;
3865
3866     msg_Dbg( &sys.demuxer, "loading cues" );
3867     es.I_O().setFilePointer( i_cues_position, seek_beginning );
3868     cues = es.FindNextID( KaxCues::ClassInfos, 0xFFFFFFFFL);
3869
3870     if( cues == NULL )
3871     {
3872         msg_Err( &sys.demuxer, "cannot load cues (broken seekhead or file)" );
3873         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3874         return;
3875     }
3876
3877     ep = new EbmlParser( &es, cues, &sys.demuxer );
3878     while( ( el = ep->Get() ) != NULL )
3879     {
3880         if( MKV_IS_ID( el, KaxCuePoint ) )
3881         {
3882 #define idx p_indexes[i_index]
3883
3884             idx.i_track       = -1;
3885             idx.i_block_number= -1;
3886             idx.i_position    = -1;
3887             idx.i_time        = 0;
3888             idx.b_key         = VLC_TRUE;
3889
3890             ep->Down();
3891             while( ( el = ep->Get() ) != NULL )
3892             {
3893                 if( MKV_IS_ID( el, KaxCueTime ) )
3894                 {
3895                     KaxCueTime &ctime = *(KaxCueTime*)el;
3896
3897                     ctime.ReadData( es.I_O() );
3898
3899                     idx.i_time = uint64( ctime ) * i_timescale / (mtime_t)1000;
3900                 }
3901                 else if( MKV_IS_ID( el, KaxCueTrackPositions ) )
3902                 {
3903                     ep->Down();
3904                     while( ( el = ep->Get() ) != NULL )
3905                     {
3906                         if( MKV_IS_ID( el, KaxCueTrack ) )
3907                         {
3908                             KaxCueTrack &ctrack = *(KaxCueTrack*)el;
3909
3910                             ctrack.ReadData( es.I_O() );
3911                             idx.i_track = uint16( ctrack );
3912                         }
3913                         else if( MKV_IS_ID( el, KaxCueClusterPosition ) )
3914                         {
3915                             KaxCueClusterPosition &ccpos = *(KaxCueClusterPosition*)el;
3916
3917                             ccpos.ReadData( es.I_O() );
3918                             idx.i_position = segment->GetGlobalPosition( uint64( ccpos ) );
3919                         }
3920                         else if( MKV_IS_ID( el, KaxCueBlockNumber ) )
3921                         {
3922                             KaxCueBlockNumber &cbnum = *(KaxCueBlockNumber*)el;
3923
3924                             cbnum.ReadData( es.I_O() );
3925                             idx.i_block_number = uint32( cbnum );
3926                         }
3927                         else
3928                         {
3929                             msg_Dbg( &sys.demuxer, "         * Unknown (%s)", typeid(*el).name() );
3930                         }
3931                     }
3932                     ep->Up();
3933                 }
3934                 else
3935                 {
3936                     msg_Dbg( &sys.demuxer, "     * Unknown (%s)", typeid(*el).name() );
3937                 }
3938             }
3939             ep->Up();
3940
3941 #if 0
3942             msg_Dbg( &sys.demuxer, " * added time="I64Fd" pos="I64Fd
3943                      " track=%d bnum=%d", idx.i_time, idx.i_position,
3944                      idx.i_track, idx.i_block_number );
3945 #endif
3946
3947             i_index++;
3948             if( i_index >= i_index_max )
3949             {
3950                 i_index_max += 1024;
3951                 p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
3952             }
3953 #undef idx
3954         }
3955         else
3956         {
3957             msg_Dbg( &sys.demuxer, " * Unknown (%s)", typeid(*el).name() );
3958         }
3959     }
3960     delete ep;
3961     delete cues;
3962
3963     b_cues = VLC_TRUE;
3964
3965     msg_Dbg( &sys.demuxer, "loading cues done." );
3966     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3967 }
3968
3969 void matroska_segment_c::LoadTags( )
3970 {
3971     int64_t     i_sav_position = es.I_O().getFilePointer();
3972     EbmlParser  *ep;
3973     EbmlElement *el, *tags;
3974
3975     msg_Dbg( &sys.demuxer, "loading tags" );
3976     es.I_O().setFilePointer( i_tags_position, seek_beginning );
3977     tags = es.FindNextID( KaxTags::ClassInfos, 0xFFFFFFFFL);
3978
3979     if( tags == NULL )
3980     {
3981         msg_Err( &sys.demuxer, "cannot load tags (broken seekhead or file)" );
3982         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3983         return;
3984     }
3985
3986     msg_Dbg( &sys.demuxer, "Tags" );
3987     ep = new EbmlParser( &es, tags, &sys.demuxer );
3988     while( ( el = ep->Get() ) != NULL )
3989     {
3990         if( MKV_IS_ID( el, KaxTag ) )
3991         {
3992             msg_Dbg( &sys.demuxer, "+ Tag" );
3993             ep->Down();
3994             while( ( el = ep->Get() ) != NULL )
3995             {
3996                 if( MKV_IS_ID( el, KaxTagTargets ) )
3997                 {
3998                     msg_Dbg( &sys.demuxer, "|   + Targets" );
3999                     ep->Down();
4000                     while( ( el = ep->Get() ) != NULL )
4001                     {
4002                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
4003                     }
4004                     ep->Up();
4005                 }
4006                 else if( MKV_IS_ID( el, KaxTagGeneral ) )
4007                 {
4008                     msg_Dbg( &sys.demuxer, "|   + General" );
4009                     ep->Down();
4010                     while( ( el = ep->Get() ) != NULL )
4011                     {
4012                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
4013                     }
4014                     ep->Up();
4015                 }
4016                 else if( MKV_IS_ID( el, KaxTagGenres ) )
4017                 {
4018                     msg_Dbg( &sys.demuxer, "|   + Genres" );
4019                     ep->Down();
4020                     while( ( el = ep->Get() ) != NULL )
4021                     {
4022                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
4023                     }
4024                     ep->Up();
4025                 }
4026                 else if( MKV_IS_ID( el, KaxTagAudioSpecific ) )
4027                 {
4028                     msg_Dbg( &sys.demuxer, "|   + Audio Specific" );
4029                     ep->Down();
4030                     while( ( el = ep->Get() ) != NULL )
4031                     {
4032                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
4033                     }
4034                     ep->Up();
4035                 }
4036                 else if( MKV_IS_ID( el, KaxTagImageSpecific ) )
4037                 {
4038                     msg_Dbg( &sys.demuxer, "|   + Images Specific" );
4039                     ep->Down();
4040                     while( ( el = ep->Get() ) != NULL )
4041                     {
4042                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
4043                     }
4044                     ep->Up();
4045                 }
4046                 else if( MKV_IS_ID( el, KaxTagMultiComment ) )
4047                 {
4048                     msg_Dbg( &sys.demuxer, "|   + Multi Comment" );
4049                 }
4050                 else if( MKV_IS_ID( el, KaxTagMultiCommercial ) )
4051                 {
4052                     msg_Dbg( &sys.demuxer, "|   + Multi Commercial" );
4053                 }
4054                 else if( MKV_IS_ID( el, KaxTagMultiDate ) )
4055                 {
4056                     msg_Dbg( &sys.demuxer, "|   + Multi Date" );
4057                 }
4058                 else if( MKV_IS_ID( el, KaxTagMultiEntity ) )
4059                 {
4060                     msg_Dbg( &sys.demuxer, "|   + Multi Entity" );
4061                 }
4062                 else if( MKV_IS_ID( el, KaxTagMultiIdentifier ) )
4063                 {
4064                     msg_Dbg( &sys.demuxer, "|   + Multi Identifier" );
4065                 }
4066                 else if( MKV_IS_ID( el, KaxTagMultiLegal ) )
4067                 {
4068                     msg_Dbg( &sys.demuxer, "|   + Multi Legal" );
4069                 }
4070                 else if( MKV_IS_ID( el, KaxTagMultiTitle ) )
4071                 {
4072                     msg_Dbg( &sys.demuxer, "|   + Multi Title" );
4073                 }
4074                 else
4075                 {
4076                     msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid( *el ).name() );
4077                 }
4078             }
4079             ep->Up();
4080         }
4081         else
4082         {
4083             msg_Dbg( &sys.demuxer, "+ Unknown (%s)", typeid( *el ).name() );
4084         }
4085     }
4086     delete ep;
4087     delete tags;
4088
4089     msg_Dbg( &sys.demuxer, "loading tags done." );
4090     es.I_O().setFilePointer( i_sav_position, seek_beginning );
4091 }
4092
4093 /*****************************************************************************
4094  * ParseSeekHead:
4095  *****************************************************************************/
4096 void matroska_segment_c::ParseSeekHead( KaxSeekHead *seekhead )
4097 {
4098     EbmlElement *el;
4099     size_t i, j;
4100     int i_upper_level = 0;
4101
4102     msg_Dbg( &sys.demuxer, "|   + Seek head" );
4103
4104     /* Master elements */
4105     seekhead->Read( es, seekhead->Generic().Context, i_upper_level, el, true );
4106
4107     for( i = 0; i < seekhead->ListSize(); i++ )
4108     {
4109         EbmlElement *l = (*seekhead)[i];
4110
4111         if( MKV_IS_ID( l, KaxSeek ) )
4112         {
4113             EbmlMaster *sk = static_cast<EbmlMaster *>(l);
4114             EbmlId id = EbmlVoid::ClassInfos.GlobalId;
4115             int64_t i_pos = -1;
4116
4117             for( j = 0; j < sk->ListSize(); j++ )
4118             {
4119                 EbmlElement *l = (*sk)[j];
4120
4121                 if( MKV_IS_ID( l, KaxSeekID ) )
4122                 {
4123                     KaxSeekID &sid = *(KaxSeekID*)l;
4124                     id = EbmlId( sid.GetBuffer(), sid.GetSize() );
4125                 }
4126                 else if( MKV_IS_ID( l, KaxSeekPosition ) )
4127                 {
4128                     KaxSeekPosition &spos = *(KaxSeekPosition*)l;
4129                     i_pos = uint64( spos );
4130                 }
4131                 else
4132                 {
4133                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
4134                 }
4135             }
4136
4137             if( i_pos >= 0 )
4138             {
4139                 if( id == KaxCues::ClassInfos.GlobalId )
4140                 {
4141                     msg_Dbg( &sys.demuxer, "|   |   |   = cues at "I64Fd, i_pos );
4142                     i_cues_position = segment->GetGlobalPosition( i_pos );
4143                 }
4144                 else if( id == KaxChapters::ClassInfos.GlobalId )
4145                 {
4146                     msg_Dbg( &sys.demuxer, "|   |   |   = chapters at "I64Fd, i_pos );
4147                     i_chapters_position = segment->GetGlobalPosition( i_pos );
4148                 }
4149                 else if( id == KaxTags::ClassInfos.GlobalId )
4150                 {
4151                     msg_Dbg( &sys.demuxer, "|   |   |   = tags at "I64Fd, i_pos );
4152                     i_tags_position = segment->GetGlobalPosition( i_pos );
4153                 }
4154             }
4155         }
4156         else
4157         {
4158             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4159         }
4160     }
4161 }
4162
4163 /*****************************************************************************
4164  * ParseTrackEntry:
4165  *****************************************************************************/
4166 void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
4167 {
4168     size_t i, j, k, n;
4169     bool bSupported = true;
4170
4171     mkv_track_t *tk;
4172
4173     msg_Dbg( &sys.demuxer, "|   |   + Track Entry" );
4174
4175     tk = new mkv_track_t();
4176
4177     /* Init the track */
4178     memset( tk, 0, sizeof( mkv_track_t ) );
4179
4180     es_format_Init( &tk->fmt, UNKNOWN_ES, 0 );
4181     tk->fmt.psz_language = strdup("English");
4182     tk->fmt.psz_description = NULL;
4183
4184     tk->b_default = VLC_TRUE;
4185     tk->b_enabled = VLC_TRUE;
4186     tk->b_silent = VLC_FALSE;
4187     tk->i_number = tracks.size() - 1;
4188     tk->i_extra_data = 0;
4189     tk->p_extra_data = NULL;
4190     tk->psz_codec = NULL;
4191     tk->i_default_duration = 0;
4192     tk->f_timecodescale = 1.0;
4193
4194     tk->b_inited = VLC_FALSE;
4195     tk->i_data_init = 0;
4196     tk->p_data_init = NULL;
4197
4198     tk->psz_codec_name = NULL;
4199     tk->psz_codec_settings = NULL;
4200     tk->psz_codec_info_url = NULL;
4201     tk->psz_codec_download_url = NULL;
4202
4203     tk->i_compression_type = MATROSKA_COMPRESSION_NONE;
4204     tk->p_compression_data = NULL;
4205
4206     for( i = 0; i < m->ListSize(); i++ )
4207     {
4208         EbmlElement *l = (*m)[i];
4209
4210         if( MKV_IS_ID( l, KaxTrackNumber ) )
4211         {
4212             KaxTrackNumber &tnum = *(KaxTrackNumber*)l;
4213
4214             tk->i_number = uint32( tnum );
4215             msg_Dbg( &sys.demuxer, "|   |   |   + Track Number=%u", uint32( tnum ) );
4216         }
4217         else  if( MKV_IS_ID( l, KaxTrackUID ) )
4218         {
4219             KaxTrackUID &tuid = *(KaxTrackUID*)l;
4220
4221             msg_Dbg( &sys.demuxer, "|   |   |   + Track UID=%u",  uint32( tuid ) );
4222         }
4223         else  if( MKV_IS_ID( l, KaxTrackType ) )
4224         {
4225             const char *psz_type;
4226             KaxTrackType &ttype = *(KaxTrackType*)l;
4227
4228             switch( uint8(ttype) )
4229             {
4230                 case track_audio:
4231                     psz_type = "audio";
4232                     tk->fmt.i_cat = AUDIO_ES;
4233                     break;
4234                 case track_video:
4235                     psz_type = "video";
4236                     tk->fmt.i_cat = VIDEO_ES;
4237                     break;
4238                 case track_subtitle:
4239                     psz_type = "subtitle";
4240                     tk->fmt.i_cat = SPU_ES;
4241                     break;
4242                 case track_buttons:
4243                     psz_type = "buttons";
4244                     tk->fmt.i_cat = SPU_ES;
4245                     break;
4246                 default:
4247                     psz_type = "unknown";
4248                     tk->fmt.i_cat = UNKNOWN_ES;
4249                     break;
4250             }
4251
4252             msg_Dbg( &sys.demuxer, "|   |   |   + Track Type=%s", psz_type );
4253         }
4254 //        else  if( EbmlId( *l ) == KaxTrackFlagEnabled::ClassInfos.GlobalId )
4255 //        {
4256 //            KaxTrackFlagEnabled &fenb = *(KaxTrackFlagEnabled*)l;
4257
4258 //            tk->b_enabled = uint32( fenb );
4259 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Enabled=%u",
4260 //                     uint32( fenb )  );
4261 //        }
4262         else  if( MKV_IS_ID( l, KaxTrackFlagDefault ) )
4263         {
4264             KaxTrackFlagDefault &fdef = *(KaxTrackFlagDefault*)l;
4265
4266             tk->b_default = uint32( fdef );
4267             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default=%u", uint32( fdef )  );
4268         }
4269         else  if( MKV_IS_ID( l, KaxTrackFlagLacing ) )
4270         {
4271             KaxTrackFlagLacing &lac = *(KaxTrackFlagLacing*)l;
4272
4273             msg_Dbg( &sys.demuxer, "|   |   |   + Track Lacing=%d", uint32( lac ) );
4274         }
4275         else  if( MKV_IS_ID( l, KaxTrackMinCache ) )
4276         {
4277             KaxTrackMinCache &cmin = *(KaxTrackMinCache*)l;
4278
4279             msg_Dbg( &sys.demuxer, "|   |   |   + Track MinCache=%d", uint32( cmin ) );
4280         }
4281         else  if( MKV_IS_ID( l, KaxTrackMaxCache ) )
4282         {
4283             KaxTrackMaxCache &cmax = *(KaxTrackMaxCache*)l;
4284
4285             msg_Dbg( &sys.demuxer, "|   |   |   + Track MaxCache=%d", uint32( cmax ) );
4286         }
4287         else  if( MKV_IS_ID( l, KaxTrackDefaultDuration ) )
4288         {
4289             KaxTrackDefaultDuration &defd = *(KaxTrackDefaultDuration*)l;
4290
4291             tk->i_default_duration = uint64(defd);
4292             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default Duration="I64Fd, uint64(defd) );
4293         }
4294         else  if( MKV_IS_ID( l, KaxTrackTimecodeScale ) )
4295         {
4296             KaxTrackTimecodeScale &ttcs = *(KaxTrackTimecodeScale*)l;
4297
4298             tk->f_timecodescale = float( ttcs );
4299             msg_Dbg( &sys.demuxer, "|   |   |   + Track TimeCodeScale=%f", tk->f_timecodescale );
4300         }
4301         else if( MKV_IS_ID( l, KaxTrackName ) )
4302         {
4303             KaxTrackName &tname = *(KaxTrackName*)l;
4304
4305             tk->fmt.psz_description = ToUTF8( UTFstring( tname ) );
4306             msg_Dbg( &sys.demuxer, "|   |   |   + Track Name=%s", tk->fmt.psz_description );
4307         }
4308         else  if( MKV_IS_ID( l, KaxTrackLanguage ) )
4309         {
4310             KaxTrackLanguage &lang = *(KaxTrackLanguage*)l;
4311
4312             if ( tk->fmt.psz_language != NULL )
4313                 free( tk->fmt.psz_language );
4314             tk->fmt.psz_language = strdup( string( lang ).c_str() );
4315             msg_Dbg( &sys.demuxer,
4316                      "|   |   |   + Track Language=`%s'", tk->fmt.psz_language );
4317         }
4318         else  if( MKV_IS_ID( l, KaxCodecID ) )
4319         {
4320             KaxCodecID &codecid = *(KaxCodecID*)l;
4321
4322             tk->psz_codec = strdup( string( codecid ).c_str() );
4323             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecId=%s", string( codecid ).c_str() );
4324         }
4325         else  if( MKV_IS_ID( l, KaxCodecPrivate ) )
4326         {
4327             KaxCodecPrivate &cpriv = *(KaxCodecPrivate*)l;
4328
4329             tk->i_extra_data = cpriv.GetSize();
4330             if( tk->i_extra_data > 0 )
4331             {
4332                 tk->p_extra_data = (uint8_t*)malloc( tk->i_extra_data );
4333                 memcpy( tk->p_extra_data, cpriv.GetBuffer(), tk->i_extra_data );
4334             }
4335             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecPrivate size="I64Fd, cpriv.GetSize() );
4336         }
4337         else if( MKV_IS_ID( l, KaxCodecName ) )
4338         {
4339             KaxCodecName &cname = *(KaxCodecName*)l;
4340
4341             tk->psz_codec_name = ToUTF8( UTFstring( cname ) );
4342             msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Name=%s", tk->psz_codec_name );
4343         }
4344         else if( MKV_IS_ID( l, KaxContentEncodings ) )
4345         {
4346             EbmlMaster *cencs = static_cast<EbmlMaster*>(l);
4347             MkvTree( sys.demuxer, 3, "Content Encodings" );
4348             if ( cencs->ListSize() > 1 )
4349             {
4350                 msg_Err( &sys.demuxer, "Multiple Compression method not supported" );
4351                 bSupported = false;
4352             }
4353             for( j = 0; j < cencs->ListSize(); j++ )
4354             {
4355                 EbmlElement *l2 = (*cencs)[j];
4356                 if( MKV_IS_ID( l2, KaxContentEncoding ) )
4357                 {
4358                     MkvTree( sys.demuxer, 4, "Content Encoding" );
4359                     EbmlMaster *cenc = static_cast<EbmlMaster*>(l2);
4360                     for( k = 0; k < cenc->ListSize(); k++ )
4361                     {
4362                         EbmlElement *l3 = (*cenc)[k];
4363                         if( MKV_IS_ID( l3, KaxContentEncodingOrder ) )
4364                         {
4365                             KaxContentEncodingOrder &encord = *(KaxContentEncodingOrder*)l3;
4366                             MkvTree( sys.demuxer, 5, "Order: %i", uint32( encord ) );
4367                         }
4368                         else if( MKV_IS_ID( l3, KaxContentEncodingScope ) )
4369                         {
4370                             KaxContentEncodingScope &encscope = *(KaxContentEncodingScope*)l3;
4371                             MkvTree( sys.demuxer, 5, "Scope: %i", uint32( encscope ) );
4372                         }
4373                         else if( MKV_IS_ID( l3, KaxContentEncodingType ) )
4374                         {
4375                             KaxContentEncodingType &enctype = *(KaxContentEncodingType*)l3;
4376                             MkvTree( sys.demuxer, 5, "Type: %i", uint32( enctype ) );
4377                         }
4378                         else if( MKV_IS_ID( l3, KaxContentCompression ) )
4379                         {
4380                             EbmlMaster *compr = static_cast<EbmlMaster*>(l3);
4381                             MkvTree( sys.demuxer, 5, "Content Compression" );
4382                             for( n = 0; n < compr->ListSize(); n++ )
4383                             {
4384                                 EbmlElement *l4 = (*compr)[n];
4385                                 if( MKV_IS_ID( l4, KaxContentCompAlgo ) )
4386                                 {
4387                                     KaxContentCompAlgo &compalg = *(KaxContentCompAlgo*)l4;
4388                                     MkvTree( sys.demuxer, 6, "Compression Algorithm: %i", uint32(compalg) );
4389                                     tk->i_compression_type = uint32( compalg );
4390                                     if ( ( tk->i_compression_type != MATROSKA_COMPRESSION_ZLIB ) &&
4391                                          ( tk->i_compression_type != MATROSKA_COMPRESSION_HEADER ) )
4392                                     {
4393                                         msg_Err( &sys.demuxer, "Track Compression method %d not supported", tk->i_compression_type );
4394                                         bSupported = false;
4395                                     }
4396                                 }
4397                                 else if( MKV_IS_ID( l4, KaxContentCompSettings ) )
4398                                 {
4399                                     tk->p_compression_data = new KaxContentCompSettings( *(KaxContentCompSettings*)l4 );
4400                                 }
4401                                 else
4402                                 {
4403                                     MkvTree( sys.demuxer, 6, "Unknown (%s)", typeid(*l4).name() );
4404                                 }
4405                             }
4406                         }
4407                         else
4408                         {
4409                             MkvTree( sys.demuxer, 5, "Unknown (%s)", typeid(*l3).name() );
4410                         }
4411                     }
4412                 }
4413                 else
4414                 {
4415                     MkvTree( sys.demuxer, 4, "Unknown (%s)", typeid(*l2).name() );
4416                 }
4417             }
4418         }
4419 //        else if( EbmlId( *l ) == KaxCodecSettings::ClassInfos.GlobalId )
4420 //        {
4421 //            KaxCodecSettings &cset = *(KaxCodecSettings*)l;
4422
4423 //            tk->psz_codec_settings = ToUTF8( UTFstring( cset ) );
4424 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Settings=%s", tk->psz_codec_settings );
4425 //        }
4426 //        else if( EbmlId( *l ) == KaxCodecInfoURL::ClassInfos.GlobalId )
4427 //        {
4428 //            KaxCodecInfoURL &ciurl = *(KaxCodecInfoURL*)l;
4429
4430 //            tk->psz_codec_info_url = strdup( string( ciurl ).c_str() );
4431 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_info_url );
4432 //        }
4433 //        else if( EbmlId( *l ) == KaxCodecDownloadURL::ClassInfos.GlobalId )
4434 //        {
4435 //            KaxCodecDownloadURL &cdurl = *(KaxCodecDownloadURL*)l;
4436
4437 //            tk->psz_codec_download_url = strdup( string( cdurl ).c_str() );
4438 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_download_url );
4439 //        }
4440 //        else if( EbmlId( *l ) == KaxCodecDecodeAll::ClassInfos.GlobalId )
4441 //        {
4442 //            KaxCodecDecodeAll &cdall = *(KaxCodecDecodeAll*)l;
4443
4444 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Decode All=%u <== UNUSED", uint8( cdall ) );
4445 //        }
4446 //        else if( EbmlId( *l ) == KaxTrackOverlay::ClassInfos.GlobalId )
4447 //        {
4448 //            KaxTrackOverlay &tovr = *(KaxTrackOverlay*)l;
4449
4450 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Overlay=%u <== UNUSED", uint32( tovr ) );
4451 //        }
4452         else  if( MKV_IS_ID( l, KaxTrackVideo ) )
4453         {
4454             EbmlMaster *tkv = static_cast<EbmlMaster*>(l);
4455             unsigned int j;
4456             unsigned int i_crop_right = 0, i_crop_left = 0, i_crop_top = 0, i_crop_bottom = 0;
4457             unsigned int i_display_unit = 0, i_display_width = 0, i_display_height = 0;
4458
4459             msg_Dbg( &sys.demuxer, "|   |   |   + Track Video" );
4460             tk->f_fps = 0.0;
4461
4462             tk->fmt.video.i_frame_rate_base = (unsigned int)(tk->i_default_duration / 1000);
4463             tk->fmt.video.i_frame_rate = 1000000;
4464
4465             for( j = 0; j < tkv->ListSize(); j++ )
4466             {
4467                 EbmlElement *l = (*tkv)[j];
4468 //                if( EbmlId( *el4 ) == KaxVideoFlagInterlaced::ClassInfos.GlobalId )
4469 //                {
4470 //                    KaxVideoFlagInterlaced &fint = *(KaxVideoFlagInterlaced*)el4;
4471
4472 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Interlaced=%u", uint8( fint ) );
4473 //                }
4474 //                else if( EbmlId( *el4 ) == KaxVideoStereoMode::ClassInfos.GlobalId )
4475 //                {
4476 //                    KaxVideoStereoMode &stereo = *(KaxVideoStereoMode*)el4;
4477
4478 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Stereo Mode=%u", uint8( stereo ) );
4479 //                }
4480 //                else
4481                 if( MKV_IS_ID( l, KaxVideoPixelWidth ) )
4482                 {
4483                     KaxVideoPixelWidth &vwidth = *(KaxVideoPixelWidth*)l;
4484
4485                     tk->fmt.video.i_width += uint16( vwidth );
4486                     msg_Dbg( &sys.demuxer, "|   |   |   |   + width=%d", uint16( vwidth ) );
4487                 }
4488                 else if( MKV_IS_ID( l, KaxVideoPixelHeight ) )
4489                 {
4490                     KaxVideoPixelWidth &vheight = *(KaxVideoPixelWidth*)l;
4491
4492                     tk->fmt.video.i_height += uint16( vheight );
4493                     msg_Dbg( &sys.demuxer, "|   |   |   |   + height=%d", uint16( vheight ) );
4494                 }
4495                 else if( MKV_IS_ID( l, KaxVideoDisplayWidth ) )
4496                 {
4497                     KaxVideoDisplayWidth &vwidth = *(KaxVideoDisplayWidth*)l;
4498
4499                     i_display_width = uint16( vwidth );
4500                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display width=%d", uint16( vwidth ) );
4501                 }
4502                 else if( MKV_IS_ID( l, KaxVideoDisplayHeight ) )
4503                 {
4504                     KaxVideoDisplayWidth &vheight = *(KaxVideoDisplayWidth*)l;
4505
4506                     i_display_height = uint16( vheight );
4507                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display height=%d", uint16( vheight ) );
4508                 }
4509                 else if( MKV_IS_ID( l, KaxVideoPixelCropBottom ) )
4510                 {
4511                     KaxVideoPixelCropBottom &cropval = *(KaxVideoPixelCropBottom*)l;
4512
4513                     i_crop_bottom = uint16( cropval );
4514                     msg_Dbg( &sys.demuxer, "|   |   |   |   + crop pixel bottom=%d", uint16( cropval ) );
4515                 }
4516                 else if( MKV_IS_ID( l, KaxVideoPixelCropTop ) )
4517                 {
4518                     KaxVideoPixelCropTop &cropval = *(KaxVideoPixelCropTop*)l;
4519
4520                     i_crop_top = uint16( cropval );
4521                     msg_Dbg( &sys.demuxer, "|   |   |   |   + crop pixel top=%d", uint16( cropval ) );
4522                 }
4523                 else if( MKV_IS_ID( l, KaxVideoPixelCropRight ) )
4524                 {
4525                     KaxVideoPixelCropRight &cropval = *(KaxVideoPixelCropRight*)l;
4526
4527                     i_crop_right = uint16( cropval );
4528                     msg_Dbg( &sys.demuxer, "|   |   |   |   + crop pixel right=%d", uint16( cropval ) );
4529                 }
4530                 else if( MKV_IS_ID( l, KaxVideoPixelCropLeft ) )
4531                 {
4532                     KaxVideoPixelCropLeft &cropval = *(KaxVideoPixelCropLeft*)l;
4533
4534                     i_crop_left = uint16( cropval );
4535                     msg_Dbg( &sys.demuxer, "|   |   |   |   + crop pixel left=%d", uint16( cropval ) );
4536                 }
4537                 else if( MKV_IS_ID( l, KaxVideoFrameRate ) )
4538                 {
4539                     KaxVideoFrameRate &vfps = *(KaxVideoFrameRate*)l;
4540
4541                     tk->f_fps = float( vfps );
4542                     msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( vfps ) );
4543                 }
4544                 else if( EbmlId( *l ) == KaxVideoDisplayUnit::ClassInfos.GlobalId )
4545                 {
4546                     KaxVideoDisplayUnit &vdmode = *(KaxVideoDisplayUnit*)l;
4547
4548                     i_display_unit = uint8( vdmode );
4549                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Display Unit=%s",
4550                              uint8( vdmode ) == 0 ? "pixels" : ( uint8( vdmode ) == 1 ? "centimeters": "inches" ) );
4551                 }
4552 //                else if( EbmlId( *l ) == KaxVideoAspectRatio::ClassInfos.GlobalId )
4553 //                {
4554 //                    KaxVideoAspectRatio &ratio = *(KaxVideoAspectRatio*)l;
4555
4556 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + Track Video Aspect Ratio Type=%u", uint8( ratio ) );
4557 //                }
4558 //                else if( EbmlId( *l ) == KaxVideoGamma::ClassInfos.GlobalId )
4559 //                {
4560 //                    KaxVideoGamma &gamma = *(KaxVideoGamma*)l;
4561
4562 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + gamma=%f", float( gamma ) );
4563 //                }
4564                 else
4565                 {
4566                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4567                 }
4568             }
4569             if( i_display_height && i_display_width )
4570                 tk->fmt.video.i_aspect = VOUT_ASPECT_FACTOR * i_display_width / i_display_height;
4571             if( i_crop_left || i_crop_right || i_crop_top || i_crop_bottom )
4572             {
4573                 tk->fmt.video.i_visible_width = tk->fmt.video.i_width;
4574                 tk->fmt.video.i_visible_height = tk->fmt.video.i_height;
4575                 tk->fmt.video.i_x_offset = i_crop_left;
4576                 tk->fmt.video.i_y_offset = i_crop_top;
4577                 tk->fmt.video.i_visible_width -= i_crop_left + i_crop_right;
4578                 tk->fmt.video.i_visible_height -= i_crop_top + i_crop_bottom;
4579             }
4580             /* FIXME: i_display_* allows you to not only set DAR, but also a zoom factor.
4581                we do not support this atm */
4582         }
4583         else  if( MKV_IS_ID( l, KaxTrackAudio ) )
4584         {
4585             EbmlMaster *tka = static_cast<EbmlMaster*>(l);
4586             unsigned int j;
4587
4588             msg_Dbg( &sys.demuxer, "|   |   |   + Track Audio" );
4589
4590             for( j = 0; j < tka->ListSize(); j++ )
4591             {
4592                 EbmlElement *l = (*tka)[j];
4593
4594                 if( MKV_IS_ID( l, KaxAudioSamplingFreq ) )
4595                 {
4596                     KaxAudioSamplingFreq &afreq = *(KaxAudioSamplingFreq*)l;
4597
4598                     tk->i_original_rate = tk->fmt.audio.i_rate = (int)float( afreq );
4599                     msg_Dbg( &sys.demuxer, "|   |   |   |   + afreq=%d", tk->fmt.audio.i_rate );
4600                 }
4601                 else if( MKV_IS_ID( l, KaxAudioOutputSamplingFreq ) )
4602                 {
4603                     KaxAudioOutputSamplingFreq &afreq = *(KaxAudioOutputSamplingFreq*)l;
4604
4605                     tk->fmt.audio.i_rate = (int)float( afreq );
4606                     msg_Dbg( &sys.demuxer, "|   |   |   |   + aoutfreq=%d", tk->fmt.audio.i_rate );
4607                 }
4608                 else if( MKV_IS_ID( l, KaxAudioChannels ) )
4609                 {
4610                     KaxAudioChannels &achan = *(KaxAudioChannels*)l;
4611
4612                     tk->fmt.audio.i_channels = uint8( achan );
4613                     msg_Dbg( &sys.demuxer, "|   |   |   |   + achan=%u", uint8( achan ) );
4614                 }
4615                 else if( MKV_IS_ID( l, KaxAudioBitDepth ) )
4616                 {
4617                     KaxAudioBitDepth &abits = *(KaxAudioBitDepth*)l;
4618
4619                     tk->fmt.audio.i_bitspersample = uint8( abits );
4620                     msg_Dbg( &sys.demuxer, "|   |   |   |   + abits=%u", uint8( abits ) );
4621                 }
4622                 else
4623                 {
4624                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4625                 }
4626             }
4627         }
4628         else
4629         {
4630             msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)",
4631                      typeid(*l).name() );
4632         }
4633     }
4634
4635     if ( bSupported )
4636     {
4637         tracks.push_back( tk );
4638     }
4639     else
4640     {
4641         msg_Err( &sys.demuxer, "Track Entry %d not supported", tk->i_number );
4642         delete tk;
4643     }
4644 }
4645
4646 /*****************************************************************************
4647  * ParseTracks:
4648  *****************************************************************************/
4649 void matroska_segment_c::ParseTracks( KaxTracks *tracks )
4650 {
4651     EbmlElement *el;
4652     unsigned int i;
4653     int i_upper_level = 0;
4654
4655     msg_Dbg( &sys.demuxer, "|   + Tracks" );
4656
4657     /* Master elements */
4658     tracks->Read( es, tracks->Generic().Context, i_upper_level, el, true );
4659
4660     for( i = 0; i < tracks->ListSize(); i++ )
4661     {
4662         EbmlElement *l = (*tracks)[i];
4663
4664         if( MKV_IS_ID( l, KaxTrackEntry ) )
4665         {
4666             ParseTrackEntry( static_cast<KaxTrackEntry *>(l) );
4667         }
4668         else
4669         {
4670             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4671         }
4672     }
4673 }
4674
4675 /*****************************************************************************
4676  * ParseInfo:
4677  *****************************************************************************/
4678 void matroska_segment_c::ParseInfo( KaxInfo *info )
4679 {
4680     EbmlElement *el;
4681     EbmlMaster  *m;
4682     size_t i, j;
4683     int i_upper_level = 0;
4684
4685     msg_Dbg( &sys.demuxer, "|   + Information" );
4686
4687     /* Master elements */
4688     m = static_cast<EbmlMaster *>(info);
4689     m->Read( es, info->Generic().Context, i_upper_level, el, true );
4690
4691     for( i = 0; i < m->ListSize(); i++ )
4692     {
4693         EbmlElement *l = (*m)[i];
4694
4695         if( MKV_IS_ID( l, KaxSegmentUID ) )
4696         {
4697             if ( p_segment_uid == NULL )
4698                 p_segment_uid = new KaxSegmentUID(*static_cast<KaxSegmentUID*>(l));
4699
4700             msg_Dbg( &sys.demuxer, "|   |   + UID=%d", *(uint32*)p_segment_uid->GetBuffer() );
4701         }
4702         else if( MKV_IS_ID( l, KaxPrevUID ) )
4703         {
4704             if ( p_prev_segment_uid == NULL )
4705                 p_prev_segment_uid = new KaxPrevUID(*static_cast<KaxPrevUID*>(l));
4706
4707             msg_Dbg( &sys.demuxer, "|   |   + PrevUID=%d", *(uint32*)p_prev_segment_uid->GetBuffer() );
4708         }
4709         else if( MKV_IS_ID( l, KaxNextUID ) )
4710         {
4711             if ( p_next_segment_uid == NULL )
4712                 p_next_segment_uid = new KaxNextUID(*static_cast<KaxNextUID*>(l));
4713
4714             msg_Dbg( &sys.demuxer, "|   |   + NextUID=%d", *(uint32*)p_next_segment_uid->GetBuffer() );
4715         }
4716         else if( MKV_IS_ID( l, KaxTimecodeScale ) )
4717         {
4718             KaxTimecodeScale &tcs = *(KaxTimecodeScale*)l;
4719
4720             i_timescale = uint64(tcs);
4721
4722             msg_Dbg( &sys.demuxer, "|   |   + TimecodeScale="I64Fd,
4723                      i_timescale );
4724         }
4725         else if( MKV_IS_ID( l, KaxDuration ) )
4726         {
4727             KaxDuration &dur = *(KaxDuration*)l;
4728
4729             i_duration = mtime_t( double( dur ) );
4730
4731             msg_Dbg( &sys.demuxer, "|   |   + Duration="I64Fd,
4732                      i_duration );
4733         }
4734         else if( MKV_IS_ID( l, KaxMuxingApp ) )
4735         {
4736             KaxMuxingApp &mapp = *(KaxMuxingApp*)l;
4737
4738             psz_muxing_application = ToUTF8( UTFstring( mapp ) );
4739
4740             msg_Dbg( &sys.demuxer, "|   |   + Muxing Application=%s",
4741                      psz_muxing_application );
4742         }
4743         else if( MKV_IS_ID( l, KaxWritingApp ) )
4744         {
4745             KaxWritingApp &wapp = *(KaxWritingApp*)l;
4746
4747             psz_writing_application = ToUTF8( UTFstring( wapp ) );
4748
4749             msg_Dbg( &sys.demuxer, "|   |   + Writing Application=%s",
4750                      psz_writing_application );
4751         }
4752         else if( MKV_IS_ID( l, KaxSegmentFilename ) )
4753         {
4754             KaxSegmentFilename &sfn = *(KaxSegmentFilename*)l;
4755
4756             psz_segment_filename = ToUTF8( UTFstring( sfn ) );
4757
4758             msg_Dbg( &sys.demuxer, "|   |   + Segment Filename=%s",
4759                      psz_segment_filename );
4760         }
4761         else if( MKV_IS_ID( l, KaxTitle ) )
4762         {
4763             KaxTitle &title = *(KaxTitle*)l;
4764
4765             psz_title = ToUTF8( UTFstring( title ) );
4766
4767             msg_Dbg( &sys.demuxer, "|   |   + Title=%s", psz_title );
4768         }
4769         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
4770         {
4771             KaxSegmentFamily *uid = static_cast<KaxSegmentFamily*>(l);
4772
4773             families.push_back( new KaxSegmentFamily(*uid) );
4774
4775             msg_Dbg( &sys.demuxer, "|   |   + family=%d", *(uint32*)uid->GetBuffer() );
4776         }
4777 #if defined( HAVE_GMTIME_R ) && !defined( __APPLE__ )
4778         else if( MKV_IS_ID( l, KaxDateUTC ) )
4779         {
4780             KaxDateUTC &date = *(KaxDateUTC*)l;
4781             time_t i_date;
4782             struct tm tmres;
4783             char   buffer[256];
4784
4785             i_date = date.GetEpochDate();
4786             memset( buffer, 0, 256 );
4787             if( gmtime_r( &i_date, &tmres ) &&
4788                 asctime_r( &tmres, buffer ) )
4789             {
4790                 buffer[strlen( buffer)-1]= '\0';
4791                 psz_date_utc = strdup( buffer );
4792                 msg_Dbg( &sys.demuxer, "|   |   + Date=%s", psz_date_utc );
4793             }
4794         }
4795 #endif
4796 #if LIBMATROSKA_VERSION >= 0x000704
4797         else if( MKV_IS_ID( l, KaxChapterTranslate ) )
4798         {
4799             KaxChapterTranslate *p_trans = static_cast<KaxChapterTranslate*>( l );
4800             chapter_translation_c *p_translate = new chapter_translation_c();
4801
4802             p_trans->Read( es, p_trans->Generic().Context, i_upper_level, el, true );
4803             for( j = 0; j < p_trans->ListSize(); j++ )
4804             {
4805                 EbmlElement *l = (*p_trans)[j];
4806
4807                 if( MKV_IS_ID( l, KaxChapterTranslateEditionUID ) )
4808                 {
4809                     p_translate->editions.push_back( uint64( *static_cast<KaxChapterTranslateEditionUID*>( l ) ) );
4810                 }
4811                 else if( MKV_IS_ID( l, KaxChapterTranslateCodec ) )
4812                 {
4813                     p_translate->codec_id = uint32( *static_cast<KaxChapterTranslateCodec*>( l ) );
4814                 }
4815                 else if( MKV_IS_ID( l, KaxChapterTranslateID ) )
4816                 {
4817                     p_translate->p_translated = new KaxChapterTranslateID( *static_cast<KaxChapterTranslateID*>( l ) );
4818                 }
4819             }
4820
4821             translations.push_back( p_translate );
4822         }
4823 #endif
4824         else
4825         {
4826             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4827         }
4828     }
4829
4830     double f_dur = double(i_duration) * double(i_timescale) / 1000000.0;
4831     i_duration = mtime_t(f_dur);
4832 }
4833
4834
4835 /*****************************************************************************
4836  * ParseChapterAtom
4837  *****************************************************************************/
4838 void matroska_segment_c::ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters )
4839 {
4840     size_t i, j;
4841
4842     msg_Dbg( &sys.demuxer, "|   |   |   + ChapterAtom (level=%d)", i_level );
4843     for( i = 0; i < ca->ListSize(); i++ )
4844     {
4845         EbmlElement *l = (*ca)[i];
4846
4847         if( MKV_IS_ID( l, KaxChapterUID ) )
4848         {
4849             chapters.i_uid = uint64_t(*(KaxChapterUID*)l);
4850             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterUID: %lld", chapters.i_uid );
4851         }
4852         else if( MKV_IS_ID( l, KaxChapterFlagHidden ) )
4853         {
4854             KaxChapterFlagHidden &flag =*(KaxChapterFlagHidden*)l;
4855             chapters.b_display_seekpoint = uint8( flag ) == 0;
4856
4857             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterFlagHidden: %s", chapters.b_display_seekpoint ? "no":"yes" );
4858         }
4859         else if( MKV_IS_ID( l, KaxChapterTimeStart ) )
4860         {
4861             KaxChapterTimeStart &start =*(KaxChapterTimeStart*)l;
4862             chapters.i_start_time = uint64( start ) / I64C(1000);
4863
4864             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeStart: %lld", chapters.i_start_time );
4865         }
4866         else if( MKV_IS_ID( l, KaxChapterTimeEnd ) )
4867         {
4868             KaxChapterTimeEnd &end =*(KaxChapterTimeEnd*)l;
4869             chapters.i_end_time = uint64( end ) / I64C(1000);
4870
4871             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeEnd: %lld", chapters.i_end_time );
4872         }
4873         else if( MKV_IS_ID( l, KaxChapterDisplay ) )
4874         {
4875             EbmlMaster *cd = static_cast<EbmlMaster *>(l);
4876
4877             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterDisplay" );
4878             for( j = 0; j < cd->ListSize(); j++ )
4879             {
4880                 EbmlElement *l= (*cd)[j];
4881
4882                 if( MKV_IS_ID( l, KaxChapterString ) )
4883                 {
4884                     int k;
4885
4886                     KaxChapterString &name =*(KaxChapterString*)l;
4887                     for (k = 0; k < i_level; k++)
4888                         chapters.psz_name += '+';
4889                     chapters.psz_name += ' ';
4890                     char *psz_tmp_utf8 = ToUTF8( UTFstring( name ) );
4891                     chapters.psz_name += psz_tmp_utf8;
4892                     chapters.b_user_display = true;
4893
4894                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterString '%s'", psz_tmp_utf8 );
4895                     free( psz_tmp_utf8 );
4896                 }
4897                 else if( MKV_IS_ID( l, KaxChapterLanguage ) )
4898                 {
4899                     KaxChapterLanguage &lang =*(KaxChapterLanguage*)l;
4900                     const char *psz = string( lang ).c_str();
4901
4902                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterLanguage '%s'", psz );
4903                 }
4904                 else if( MKV_IS_ID( l, KaxChapterCountry ) )
4905                 {
4906                     KaxChapterCountry &ct =*(KaxChapterCountry*)l;
4907                     const char *psz = string( ct ).c_str();
4908
4909                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterCountry '%s'", psz );
4910                 }
4911             }
4912         }
4913         else if( MKV_IS_ID( l, KaxChapterProcess ) )
4914         {
4915             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterProcess" );
4916
4917             KaxChapterProcess *cp = static_cast<KaxChapterProcess *>(l);
4918             chapter_codec_cmds_c *p_ccodec = NULL;
4919
4920             for( j = 0; j < cp->ListSize(); j++ )
4921             {
4922                 EbmlElement *k= (*cp)[j];
4923
4924                 if( MKV_IS_ID( k, KaxChapterProcessCodecID ) )
4925                 {
4926                     KaxChapterProcessCodecID *p_codec_id = static_cast<KaxChapterProcessCodecID*>( k );
4927                     if ( uint32(*p_codec_id) == 0 )
4928                         p_ccodec = new matroska_script_codec_c( sys );
4929                     else if ( uint32(*p_codec_id) == 1 )
4930                         p_ccodec = new dvd_chapter_codec_c( sys );
4931                     break;
4932                 }
4933             }
4934
4935             if ( p_ccodec != NULL )
4936             {
4937                 for( j = 0; j < cp->ListSize(); j++ )
4938                 {
4939                     EbmlElement *k= (*cp)[j];
4940
4941                     if( MKV_IS_ID( k, KaxChapterProcessPrivate ) )
4942                     {
4943                         KaxChapterProcessPrivate * p_private = static_cast<KaxChapterProcessPrivate*>( k );
4944                         p_ccodec->SetPrivate( *p_private );
4945                     }
4946                     else if( MKV_IS_ID( k, KaxChapterProcessCommand ) )
4947                     {
4948                         p_ccodec->AddCommand( *static_cast<KaxChapterProcessCommand*>( k ) );
4949                     }
4950                 }
4951                 chapters.codecs.push_back( p_ccodec );
4952             }
4953         }
4954         else if( MKV_IS_ID( l, KaxChapterAtom ) )
4955         {
4956             chapter_item_c *new_sub_chapter = new chapter_item_c();
4957             ParseChapterAtom( i_level+1, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4958             new_sub_chapter->psz_parent = &chapters;
4959             chapters.sub_chapters.push_back( new_sub_chapter );
4960         }
4961     }
4962 }
4963
4964 /*****************************************************************************
4965  * ParseAttachments:
4966  *****************************************************************************/
4967 void matroska_segment_c::ParseAttachments( KaxAttachments *attachments )
4968 {
4969     EbmlElement *el;
4970     int i_upper_level = 0;
4971
4972     attachments->Read( es, attachments->Generic().Context, i_upper_level, el, true );
4973
4974     KaxAttached *attachedFile = FindChild<KaxAttached>( *attachments );
4975
4976     while( attachedFile && ( attachedFile->GetSize() > 0 ) )
4977     {
4978         std::string psz_mime_type  = GetChild<KaxMimeType>( *attachedFile );
4979         KaxFileName  &file_name    = GetChild<KaxFileName>( *attachedFile );
4980         KaxFileData  &img_data     = GetChild<KaxFileData>( *attachedFile );
4981
4982         attachment_c *new_attachment = new attachment_c();
4983
4984         if( new_attachment )
4985         {
4986             new_attachment->psz_file_name  = ToUTF8( UTFstring( file_name ) );
4987             new_attachment->psz_mime_type  = psz_mime_type;
4988             new_attachment->i_size         = img_data.GetSize();
4989             new_attachment->p_data         = malloc( img_data.GetSize() );
4990
4991             if( new_attachment->p_data )
4992             {
4993                 memcpy( new_attachment->p_data, img_data.GetBuffer(), img_data.GetSize() );
4994                 sys.stored_attachments.push_back( new_attachment );
4995             }
4996             else
4997             {
4998                 delete new_attachment;
4999             }
5000         }
5001
5002         attachedFile = &GetNextChild<KaxAttached>( *attachments, *attachedFile );
5003     }
5004 }
5005
5006 /*****************************************************************************
5007  * ParseChapters:
5008  *****************************************************************************/
5009 void matroska_segment_c::ParseChapters( KaxChapters *chapters )
5010 {
5011     EbmlElement *el;
5012     size_t i;
5013     int i_upper_level = 0;
5014     mtime_t i_dur;
5015
5016     /* Master elements */
5017     chapters->Read( es, chapters->Generic().Context, i_upper_level, el, true );
5018
5019     for( i = 0; i < chapters->ListSize(); i++ )
5020     {
5021         EbmlElement *l = (*chapters)[i];
5022
5023         if( MKV_IS_ID( l, KaxEditionEntry ) )
5024         {
5025             chapter_edition_c *p_edition = new chapter_edition_c();
5026
5027             EbmlMaster *E = static_cast<EbmlMaster *>(l );
5028             size_t j;
5029             msg_Dbg( &sys.demuxer, "|   |   + EditionEntry" );
5030             for( j = 0; j < E->ListSize(); j++ )
5031             {
5032                 EbmlElement *l = (*E)[j];
5033
5034                 if( MKV_IS_ID( l, KaxChapterAtom ) )
5035                 {
5036                     chapter_item_c *new_sub_chapter = new chapter_item_c();
5037                     ParseChapterAtom( 0, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
5038                     p_edition->sub_chapters.push_back( new_sub_chapter );
5039                 }
5040                 else if( MKV_IS_ID( l, KaxEditionUID ) )
5041                 {
5042                     p_edition->i_uid = uint64(*static_cast<KaxEditionUID *>( l ));
5043                 }
5044                 else if( MKV_IS_ID( l, KaxEditionFlagOrdered ) )
5045                 {
5046                     p_edition->b_ordered = config_GetInt( &sys.demuxer, "mkv-use-ordered-chapters" ) ? (uint8(*static_cast<KaxEditionFlagOrdered *>( l )) != 0) : 0;
5047                 }
5048                 else if( MKV_IS_ID( l, KaxEditionFlagDefault ) )
5049                 {
5050                     if (uint8(*static_cast<KaxEditionFlagDefault *>( l )) != 0)
5051                         i_default_edition = stored_editions.size();
5052                 }
5053                 else
5054                 {
5055                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
5056                 }
5057             }
5058             stored_editions.push_back( p_edition );
5059         }
5060         else
5061         {
5062             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
5063         }
5064     }
5065
5066     for( i = 0; i < stored_editions.size(); i++ )
5067     {
5068         stored_editions[i]->RefreshChapters( );
5069     }
5070
5071     if ( stored_editions.size() != 0 && stored_editions[i_default_edition]->b_ordered )
5072     {
5073         /* update the duration of the segment according to the sum of all sub chapters */
5074         i_dur = stored_editions[i_default_edition]->Duration() / I64C(1000);
5075         if (i_dur > 0)
5076             i_duration = i_dur;
5077     }
5078 }
5079
5080 void matroska_segment_c::ParseCluster( )
5081 {
5082     EbmlElement *el;
5083     EbmlMaster  *m;
5084     unsigned int i;
5085     int i_upper_level = 0;
5086
5087     /* Master elements */
5088     m = static_cast<EbmlMaster *>( cluster );
5089     m->Read( es, cluster->Generic().Context, i_upper_level, el, true );
5090
5091     for( i = 0; i < m->ListSize(); i++ )
5092     {
5093         EbmlElement *l = (*m)[i];
5094
5095         if( MKV_IS_ID( l, KaxClusterTimecode ) )
5096         {
5097             KaxClusterTimecode &ctc = *(KaxClusterTimecode*)l;
5098
5099             cluster->InitTimecode( uint64( ctc ), i_timescale );
5100             break;
5101         }
5102     }
5103
5104     i_start_time = cluster->GlobalTimecode() / 1000;
5105 }
5106
5107 /*****************************************************************************
5108  * InformationCreate:
5109  *****************************************************************************/
5110 void matroska_segment_c::InformationCreate( )
5111 {
5112     sys.meta = vlc_meta_New();
5113
5114     if( psz_title )
5115     {
5116         vlc_meta_SetTitle( sys.meta, psz_title );
5117     }
5118     if( psz_date_utc )
5119     {
5120         vlc_meta_SetDate( sys.meta, psz_date_utc );
5121     }
5122 #if 0
5123     if( psz_segment_filename )
5124     {
5125         fprintf( stderr, "***** WARNING: Unhandled meta - Use custom\n" );
5126     }
5127     if( psz_muxing_application )
5128     {
5129         fprintf( stderr, "***** WARNING: Unhandled meta - Use custom\n" );
5130     }
5131     if( psz_writing_application )
5132     {
5133         fprintf( stderr, "***** WARNING: Unhandled meta - Use custom\n" );
5134     }
5135
5136     for( size_t i_track = 0; i_track < tracks.size(); i_track++ )
5137     {
5138 //        mkv_track_t *tk = tracks[i_track];
5139 //        vlc_meta_t *mtk = vlc_meta_New();
5140         fprintf( stderr, "***** WARNING: Unhandled child meta\n");
5141     }
5142 #endif
5143
5144     if( i_tags_position >= 0 )
5145     {
5146         vlc_bool_t b_seekable;
5147
5148         stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
5149         if( b_seekable )
5150         {
5151             LoadTags( );
5152         }
5153     }
5154 }
5155
5156
5157 /*****************************************************************************
5158  * Divers
5159  *****************************************************************************/
5160
5161 void matroska_segment_c::IndexAppendCluster( KaxCluster *cluster )
5162 {
5163 #define idx p_indexes[i_index]
5164     idx.i_track       = -1;
5165     idx.i_block_number= -1;
5166     idx.i_position    = cluster->GetElementPosition();
5167     idx.i_time        = -1;
5168     idx.b_key         = VLC_TRUE;
5169
5170     i_index++;
5171     if( i_index >= i_index_max )
5172     {
5173         i_index_max += 1024;
5174         p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
5175     }
5176 #undef idx
5177 }
5178
5179 void chapter_edition_c::RefreshChapters( )
5180 {
5181     chapter_item_c::RefreshChapters( b_ordered, -1 );
5182     b_display_seekpoint = false;
5183 }
5184
5185 int64_t chapter_item_c::RefreshChapters( bool b_ordered, int64_t i_prev_user_time )
5186 {
5187     int64_t i_user_time = i_prev_user_time;
5188
5189     // first the sub-chapters, and then ourself
5190     std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
5191     while ( index != sub_chapters.end() )
5192     {
5193         i_user_time = (*index)->RefreshChapters( b_ordered, i_user_time );
5194         index++;
5195     }
5196
5197     if ( b_ordered )
5198     {
5199         // the ordered chapters always start at zero
5200         if ( i_prev_user_time == -1 )
5201         {
5202             if ( i_user_time == -1 )
5203                 i_user_time = 0;
5204             i_prev_user_time = 0;
5205         }
5206
5207         i_user_start_time = i_prev_user_time;
5208         if ( i_end_time != -1 && i_user_time == i_prev_user_time )
5209         {
5210             i_user_end_time = i_user_start_time - i_start_time + i_end_time;
5211         }
5212         else
5213         {
5214             i_user_end_time = i_user_time;
5215         }
5216     }
5217     else
5218     {
5219         if ( sub_chapters.begin() != sub_chapters.end() )
5220             std::sort( sub_chapters.begin(), sub_chapters.end(), chapter_item_c::CompareTimecode );
5221         i_user_start_time = i_start_time;
5222         if ( i_end_time != -1 )
5223             i_user_end_time = i_end_time;
5224         else if ( i_user_time != -1 )
5225             i_user_end_time = i_user_time;
5226         else
5227             i_user_end_time = i_user_start_time;
5228     }
5229
5230     return i_user_end_time;
5231 }
5232
5233 mtime_t chapter_edition_c::Duration() const
5234 {
5235     mtime_t i_result = 0;
5236
5237     if ( sub_chapters.size() )
5238     {
5239         std::vector<chapter_item_c*>::const_iterator index = sub_chapters.end();
5240         index--;
5241         i_result = (*index)->i_user_end_time;
5242     }
5243
5244     return i_result;
5245 }
5246
5247 chapter_item_c * chapter_edition_c::FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current )
5248 {
5249     if ( !b_ordered )
5250         p_current = NULL;
5251     bool b_found_current = false;
5252     return chapter_item_c::FindTimecode( i_timecode, p_current, b_found_current );
5253 }
5254
5255 chapter_item_c *chapter_item_c::FindTimecode( mtime_t i_user_timecode, const chapter_item_c * p_current, bool & b_found )
5256 {
5257     chapter_item_c *psz_result = NULL;
5258
5259     if ( p_current == this )
5260         b_found = true;
5261
5262     if ( i_user_timecode >= i_user_start_time &&
5263         ( i_user_timecode < i_user_end_time ||
5264           ( i_user_start_time == i_user_end_time && i_user_timecode == i_user_end_time )))
5265     {
5266         std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
5267         while ( index != sub_chapters.end() && ((p_current == NULL && psz_result == NULL) || (p_current != NULL && (!b_found || psz_result == NULL))))
5268         {
5269             psz_result = (*index)->FindTimecode( i_user_timecode, p_current, b_found );
5270             index++;
5271         }
5272
5273         if ( psz_result == NULL )
5274             psz_result = this;
5275     }
5276
5277     return psz_result;
5278 }
5279
5280 bool chapter_item_c::ParentOf( const chapter_item_c & item ) const
5281 {
5282     if ( &item == this )
5283         return true;
5284
5285     std::vector<chapter_item_c*>::const_iterator index = sub_chapters.begin();
5286     while ( index != sub_chapters.end() )
5287     {
5288         if ( (*index)->ParentOf( item ) )
5289             return true;
5290         index++;
5291     }
5292
5293     return false;
5294 }
5295
5296 void demux_sys_t::PreloadFamily( const matroska_segment_c & of_segment )
5297 {
5298     for (size_t i=0; i<opened_segments.size(); i++)
5299     {
5300         opened_segments[i]->PreloadFamily( of_segment );
5301     }
5302 }
5303 bool matroska_segment_c::PreloadFamily( const matroska_segment_c & of_segment )
5304 {
5305     if ( b_preloaded )
5306         return false;
5307
5308     for (size_t i=0; i<families.size(); i++)
5309     {
5310         for (size_t j=0; j<of_segment.families.size(); j++)
5311         {
5312             if ( *(families[i]) == *(of_segment.families[j]) )
5313                 return Preload( );
5314         }
5315     }
5316
5317     return false;
5318 }
5319
5320 // preload all the linked segments for all preloaded segments
5321 void demux_sys_t::PreloadLinked( matroska_segment_c *p_segment )
5322 {
5323     size_t i_preloaded, i, j;
5324     virtual_segment_c *p_seg;
5325
5326     p_current_segment = VirtualFromSegments( p_segment );
5327
5328     used_segments.push_back( p_current_segment );
5329
5330     // create all the other virtual segments of the family
5331     do {
5332         i_preloaded = 0;
5333         for ( i=0; i< opened_segments.size(); i++ )
5334         {
5335             if ( opened_segments[i]->b_preloaded && !IsUsedSegment( *opened_segments[i] ) )
5336             {
5337                 p_seg = VirtualFromSegments( opened_segments[i] );
5338                 used_segments.push_back( p_seg );
5339                 i_preloaded++;
5340             }
5341         }
5342     } while ( i_preloaded ); // worst case: will stop when all segments are found as family related
5343
5344     // publish all editions of all usable segment
5345     for ( i=0; i< used_segments.size(); i++ )
5346     {
5347         p_seg = used_segments[i];
5348         if ( p_seg->p_editions != NULL )
5349         {
5350             std::string sz_name;
5351             input_title_t *p_title = vlc_input_title_New();
5352             p_seg->i_sys_title = i;
5353             int i_chapters;
5354
5355             // TODO use a name for each edition, let the TITLE deal with a codec name
5356             for ( j=0; j<p_seg->p_editions->size(); j++ )
5357             {
5358                 if ( p_title->psz_name == NULL )
5359                 {
5360                     sz_name = (*p_seg->p_editions)[j]->GetMainName();
5361                     if ( sz_name != "" )
5362                         p_title->psz_name = strdup( sz_name.c_str() );
5363                 }
5364
5365                 chapter_edition_c *p_edition = (*p_seg->p_editions)[j];
5366
5367                 i_chapters = 0;
5368                 p_edition->PublishChapters( *p_title, i_chapters, 0 );
5369             }
5370
5371             // create a name if there is none
5372             if ( p_title->psz_name == NULL )
5373             {
5374                 sz_name = N_("Segment");
5375                 char psz_str[6];
5376                 sprintf( psz_str, " %d", (int)i );
5377                 sz_name += psz_str;
5378                 p_title->psz_name = strdup( sz_name.c_str() );
5379             }
5380
5381             titles.push_back( p_title );
5382         }
5383     }
5384
5385     // TODO decide which segment should be first used (VMG for DVD)
5386 }
5387
5388 bool demux_sys_t::IsUsedSegment( matroska_segment_c &segment ) const
5389 {
5390     for ( size_t i=0; i< used_segments.size(); i++ )
5391     {
5392         if ( used_segments[i]->FindUID( *segment.p_segment_uid ) )
5393             return true;
5394     }
5395     return false;
5396 }
5397
5398 virtual_segment_c *demux_sys_t::VirtualFromSegments( matroska_segment_c *p_segment ) const
5399 {
5400     size_t i_preloaded, i;
5401
5402     virtual_segment_c *p_result = new virtual_segment_c( p_segment );
5403
5404     // fill our current virtual segment with all hard linked segments
5405     do {
5406         i_preloaded = 0;
5407         for ( i=0; i< opened_segments.size(); i++ )
5408         {
5409             i_preloaded += p_result->AddSegment( opened_segments[i] );
5410         }
5411     } while ( i_preloaded ); // worst case: will stop when all segments are found as linked
5412
5413     p_result->Sort( );
5414
5415     p_result->PreloadLinked( );
5416
5417     p_result->PrepareChapters( );
5418
5419     return p_result;
5420 }
5421
5422 bool demux_sys_t::PreparePlayback( virtual_segment_c *p_new_segment )
5423 {
5424     if ( p_new_segment != NULL && p_new_segment != p_current_segment )
5425     {
5426         if ( p_current_segment != NULL && p_current_segment->Segment() != NULL )
5427             p_current_segment->Segment()->UnSelect();
5428
5429         p_current_segment = p_new_segment;
5430         i_current_title = p_new_segment->i_sys_title;
5431     }
5432
5433     p_current_segment->LoadCues();
5434     f_duration = p_current_segment->Duration();
5435
5436     /* add information */
5437     p_current_segment->Segment()->InformationCreate( );
5438
5439     p_current_segment->Segment()->Select( 0 );
5440
5441     return true;
5442 }
5443
5444 void demux_sys_t::JumpTo( virtual_segment_c & vsegment, chapter_item_c * p_chapter )
5445 {
5446     // if the segment is not part of the current segment, select the new one
5447     if ( &vsegment != p_current_segment )
5448     {
5449         PreparePlayback( &vsegment );
5450     }
5451
5452     if ( p_chapter != NULL )
5453     {
5454         if ( !p_chapter->Enter( true ) )
5455         {
5456             // jump to the location in the found segment
5457             vsegment.Seek( demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5458         }
5459     }
5460
5461 }
5462
5463 bool matroska_segment_c::CompareSegmentUIDs( const matroska_segment_c * p_item_a, const matroska_segment_c * p_item_b )
5464 {
5465     EbmlBinary *p_tmp;
5466
5467     if ( p_item_a == NULL || p_item_b == NULL )
5468         return false;
5469
5470     p_tmp = (EbmlBinary *)p_item_a->p_segment_uid;
5471     if ( p_item_b->p_prev_segment_uid != NULL
5472           && *p_tmp == *p_item_b->p_prev_segment_uid )
5473         return true;
5474
5475     p_tmp = (EbmlBinary *)p_item_a->p_next_segment_uid;
5476     if ( !p_tmp )
5477         return false;
5478
5479     if ( p_item_b->p_segment_uid != NULL
5480           && *p_tmp == *p_item_b->p_segment_uid )
5481         return true;
5482
5483     if ( p_item_b->p_prev_segment_uid != NULL
5484           && *p_tmp == *p_item_b->p_prev_segment_uid )
5485         return true;
5486
5487     return false;
5488 }
5489
5490 bool matroska_segment_c::Preload( )
5491 {
5492     if ( b_preloaded )
5493         return false;
5494
5495     EbmlElement *el = NULL;
5496
5497     ep->Reset( &sys.demuxer );
5498
5499     while( ( el = ep->Get() ) != NULL )
5500     {
5501         if( MKV_IS_ID( el, KaxInfo ) )
5502         {
5503             ParseInfo( static_cast<KaxInfo*>( el ) );
5504         }
5505         else if( MKV_IS_ID( el, KaxTracks ) )
5506         {
5507             ParseTracks( static_cast<KaxTracks*>( el ) );
5508             if ( tracks.size() == 0 )
5509             {
5510                 msg_Err( &sys.demuxer, "No tracks supported" );
5511                 return false;
5512             }
5513         }
5514         else if( MKV_IS_ID( el, KaxSeekHead ) )
5515         {
5516             ParseSeekHead( static_cast<KaxSeekHead*>( el ) );
5517         }
5518         else if( MKV_IS_ID( el, KaxCues ) )
5519         {
5520             msg_Dbg( &sys.demuxer, "|   + Cues" );
5521         }
5522         else if( MKV_IS_ID( el, KaxCluster ) )
5523         {
5524             msg_Dbg( &sys.demuxer, "|   + Cluster" );
5525
5526             cluster = (KaxCluster*)el;
5527
5528             i_cluster_pos = i_start_pos = cluster->GetElementPosition();
5529             ParseCluster( );
5530
5531             ep->Down();
5532             /* stop parsing the stream */
5533             break;
5534         }
5535         else if( MKV_IS_ID( el, KaxAttachments ) )
5536         {
5537             msg_Dbg( &sys.demuxer, "|   + Attachments" );
5538             ParseAttachments( static_cast<KaxAttachments*>( el ) );
5539         }
5540         else if( MKV_IS_ID( el, KaxChapters ) )
5541         {
5542             msg_Dbg( &sys.demuxer, "|   + Chapters" );
5543             ParseChapters( static_cast<KaxChapters*>( el ) );
5544         }
5545         else if( MKV_IS_ID( el, KaxTag ) )
5546         {
5547             msg_Dbg( &sys.demuxer, "|   + Tags FIXME TODO" );
5548         }
5549         else
5550         {
5551             msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid(*el).name() );
5552         }
5553     }
5554
5555     b_preloaded = true;
5556
5557     return true;
5558 }
5559
5560 matroska_segment_c *demux_sys_t::FindSegment( const EbmlBinary & uid ) const
5561 {
5562     for (size_t i=0; i<opened_segments.size(); i++)
5563     {
5564         if ( *opened_segments[i]->p_segment_uid == uid )
5565             return opened_segments[i];
5566     }
5567     return NULL;
5568 }
5569
5570 chapter_item_c *demux_sys_t::BrowseCodecPrivate( unsigned int codec_id,
5571                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
5572                                         const void *p_cookie,
5573                                         size_t i_cookie_size,
5574                                         virtual_segment_c * &p_segment_found )
5575 {
5576     chapter_item_c *p_result = NULL;
5577     for (size_t i=0; i<used_segments.size(); i++)
5578     {
5579         p_result = used_segments[i]->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
5580         if ( p_result != NULL )
5581         {
5582             p_segment_found = used_segments[i];
5583             break;
5584         }
5585     }
5586     return p_result;
5587 }
5588
5589 chapter_item_c *demux_sys_t::FindChapter( int64_t i_find_uid, 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]->FindChapter( i_find_uid );
5595         if ( p_result != NULL )
5596         {
5597             p_segment_found = used_segments[i];
5598             break;
5599         }
5600     }
5601     return p_result;
5602 }
5603
5604 void virtual_segment_c::Sort()
5605 {
5606     // keep the current segment index
5607     matroska_segment_c *p_segment = linked_segments[i_current_segment];
5608
5609     std::sort( linked_segments.begin(), linked_segments.end(), matroska_segment_c::CompareSegmentUIDs );
5610
5611     for ( i_current_segment=0; i_current_segment<linked_segments.size(); i_current_segment++)
5612         if ( linked_segments[i_current_segment] == p_segment )
5613             break;
5614 }
5615
5616 size_t virtual_segment_c::AddSegment( matroska_segment_c *p_segment )
5617 {
5618     size_t i;
5619     // check if it's not already in here
5620     for ( i=0; i<linked_segments.size(); i++ )
5621     {
5622         if ( linked_segments[i]->p_segment_uid != NULL
5623             && p_segment->p_segment_uid != NULL
5624             && *p_segment->p_segment_uid == *linked_segments[i]->p_segment_uid )
5625             return 0;
5626     }
5627
5628     // find possible mates
5629     for ( i=0; i<linked_uids.size(); i++ )
5630     {
5631         if (   (p_segment->p_segment_uid != NULL && *p_segment->p_segment_uid == linked_uids[i])
5632             || (p_segment->p_prev_segment_uid != NULL && *p_segment->p_prev_segment_uid == linked_uids[i])
5633             || (p_segment->p_next_segment_uid !=NULL && *p_segment->p_next_segment_uid == linked_uids[i]) )
5634         {
5635             linked_segments.push_back( p_segment );
5636
5637             AppendUID( p_segment->p_prev_segment_uid );
5638             AppendUID( p_segment->p_next_segment_uid );
5639
5640             return 1;
5641         }
5642     }
5643     return 0;
5644 }
5645
5646 void virtual_segment_c::PreloadLinked( )
5647 {
5648     for ( size_t i=0; i<linked_segments.size(); i++ )
5649     {
5650         linked_segments[i]->Preload( );
5651     }
5652     i_current_edition = linked_segments[0]->i_default_edition;
5653 }
5654
5655 mtime_t virtual_segment_c::Duration() const
5656 {
5657     mtime_t i_duration;
5658     if ( linked_segments.size() == 0 )
5659         i_duration = 0;
5660     else {
5661         matroska_segment_c *p_last_segment = linked_segments[linked_segments.size()-1];
5662 //        p_last_segment->ParseCluster( );
5663
5664         i_duration = p_last_segment->i_start_time / 1000 + p_last_segment->i_duration;
5665     }
5666     return i_duration;
5667 }
5668
5669 void virtual_segment_c::LoadCues( )
5670 {
5671     for ( size_t i=0; i<linked_segments.size(); i++ )
5672     {
5673         linked_segments[i]->LoadCues();
5674     }
5675 }
5676
5677 void virtual_segment_c::AppendUID( const EbmlBinary * p_UID )
5678 {
5679     if ( p_UID == NULL )
5680         return;
5681     if ( p_UID->GetBuffer() == NULL )
5682         return;
5683
5684     for (size_t i=0; i<linked_uids.size(); i++)
5685     {
5686         if ( *p_UID == linked_uids[i] )
5687             return;
5688     }
5689     linked_uids.push_back( *(KaxSegmentUID*)(p_UID) );
5690 }
5691
5692 void matroska_segment_c::Seek( mtime_t i_date, mtime_t i_time_offset )
5693 {
5694     KaxBlock    *block;
5695 #if LIBMATROSKA_VERSION >= 0x000800
5696     KaxSimpleBlock *simpleblock;
5697 #endif
5698     int         i_track_skipping;
5699     int64_t     i_block_duration;
5700     int64_t     i_block_ref1;
5701     int64_t     i_block_ref2;
5702     size_t      i_track;
5703     int64_t     i_seek_position = i_start_pos;
5704     int64_t     i_seek_time = i_start_time;
5705
5706     if ( i_index > 0 )
5707     {
5708         int i_idx = 0;
5709
5710         for( ; i_idx < i_index; i_idx++ )
5711         {
5712             if( p_indexes[i_idx].i_time + i_time_offset > i_date )
5713             {
5714                 break;
5715             }
5716         }
5717
5718         if( i_idx > 0 )
5719         {
5720             i_idx--;
5721         }
5722
5723         i_seek_position = p_indexes[i_idx].i_position;
5724         i_seek_time = p_indexes[i_idx].i_time;
5725     }
5726
5727     msg_Dbg( &sys.demuxer, "seek got "I64Fd" (%d%%)",
5728                 i_seek_time, (int)( 100 * i_seek_position / stream_Size( sys.demuxer.s ) ) );
5729
5730     es.I_O().setFilePointer( i_seek_position, seek_beginning );
5731
5732     delete ep;
5733     ep = new EbmlParser( &es, segment, &sys.demuxer );
5734     cluster = NULL;
5735
5736     sys.i_start_pts = i_date;
5737
5738     es_out_Control( sys.demuxer.out, ES_OUT_RESET_PCR );
5739
5740     /* now parse until key frame */
5741     i_track_skipping = 0;
5742     for( i_track = 0; i_track < tracks.size(); i_track++ )
5743     {
5744         if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5745         {
5746             tracks[i_track]->b_search_keyframe = VLC_TRUE;
5747             i_track_skipping++;
5748         }
5749         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_date );
5750     }
5751
5752
5753     while( i_track_skipping > 0 )
5754     {
5755 #if LIBMATROSKA_VERSION >= 0x000800
5756         if( BlockGet( block, simpleblock, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
5757 #else
5758         if( BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
5759 #endif
5760         {
5761             msg_Warn( &sys.demuxer, "cannot get block EOF?" );
5762
5763             return;
5764         }
5765         ep->Down();
5766
5767         for( i_track = 0; i_track < tracks.size(); i_track++ )
5768         {
5769 #if LIBMATROSKA_VERSION >= 0x000800
5770             if( (simpleblock && tracks[i_track]->i_number == simpleblock->TrackNum()) ||
5771                 (block && tracks[i_track]->i_number == block->TrackNum()) )
5772 #else
5773             if( tracks[i_track]->i_number == block->TrackNum() )
5774 #endif
5775             {
5776                 break;
5777             }
5778         }
5779
5780 #if LIBMATROSKA_VERSION >= 0x000800
5781         if( simpleblock )
5782             sys.i_pts = (sys.i_chapter_time + simpleblock->GlobalTimecode()) / (mtime_t) 1000;
5783         else
5784 #endif
5785             sys.i_pts = (sys.i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
5786
5787         if( i_track < tracks.size() )
5788         {
5789            if( sys.i_pts >= sys.i_start_pts )
5790             {
5791                 cluster = static_cast<KaxCluster*>(ep->UnGet( i_block_pos, i_cluster_pos ));
5792                 i_track_skipping = 0;
5793             }
5794             else if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5795             {
5796                 if( i_block_ref1 == 0 && tracks[i_track]->b_search_keyframe )
5797                 {
5798                     tracks[i_track]->b_search_keyframe = VLC_FALSE;
5799                     i_track_skipping--;
5800                 }
5801                 if( !tracks[i_track]->b_search_keyframe )
5802                 {
5803 #if LIBMATROSKA_VERSION >= 0x000800
5804                     BlockDecode( &sys.demuxer, block, simpleblock, sys.i_pts, 0, i_block_ref1 >= 0 || i_block_ref2 > 0 );
5805 #else
5806                     BlockDecode( &sys.demuxer, block, sys.i_pts, 0, i_block_ref1 >= 0 || i_block_ref2 > 0 );
5807 #endif
5808                 }
5809             }
5810         }
5811
5812         delete block;
5813     }
5814 }
5815
5816 void virtual_segment_c::Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter )
5817 {
5818     demux_sys_t *p_sys = demuxer.p_sys;
5819     size_t i;
5820
5821     // find the actual time for an ordered edition
5822     if ( psz_chapter == NULL )
5823     {
5824         if ( Edition() && Edition()->b_ordered )
5825         {
5826             /* 1st, we need to know in which chapter we are */
5827             psz_chapter = (*p_editions)[i_current_edition]->FindTimecode( i_date, psz_current_chapter );
5828         }
5829     }
5830
5831     if ( psz_chapter != NULL )
5832     {
5833         psz_current_chapter = psz_chapter;
5834         p_sys->i_chapter_time = i_time_offset = psz_chapter->i_user_start_time - psz_chapter->i_start_time;
5835         if ( psz_chapter->i_seekpoint_num > 0 )
5836         {
5837             demuxer.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
5838             demuxer.info.i_title = p_sys->i_current_title = i_sys_title;
5839             demuxer.info.i_seekpoint = psz_chapter->i_seekpoint_num - 1;
5840         }
5841     }
5842
5843     // find the best matching segment
5844     for ( i=0; i<linked_segments.size(); i++ )
5845     {
5846         if ( i_date < linked_segments[i]->i_start_time )
5847             break;
5848     }
5849
5850     if ( i > 0 )
5851         i--;
5852
5853     if ( i_current_segment != i  )
5854     {
5855         linked_segments[i_current_segment]->UnSelect();
5856         linked_segments[i]->Select( i_date );
5857         i_current_segment = i;
5858     }
5859
5860     linked_segments[i]->Seek( i_date, i_time_offset );
5861 }
5862
5863 void chapter_codec_cmds_c::AddCommand( const KaxChapterProcessCommand & command )
5864 {
5865     size_t i;
5866
5867     uint32 codec_time = uint32(-1);
5868     for( i = 0; i < command.ListSize(); i++ )
5869     {
5870         const EbmlElement *k = command[i];
5871
5872         if( MKV_IS_ID( k, KaxChapterProcessTime ) )
5873         {
5874             codec_time = uint32( *static_cast<const KaxChapterProcessTime*>( k ) );
5875             break;
5876         }
5877     }
5878
5879     for( i = 0; i < command.ListSize(); i++ )
5880     {
5881         const EbmlElement *k = command[i];
5882
5883         if( MKV_IS_ID( k, KaxChapterProcessData ) )
5884         {
5885             KaxChapterProcessData *p_data =  new KaxChapterProcessData( *static_cast<const KaxChapterProcessData*>( k ) );
5886             switch ( codec_time )
5887             {
5888             case 0:
5889                 during_cmds.push_back( p_data );
5890                 break;
5891             case 1:
5892                 enter_cmds.push_back( p_data );
5893                 break;
5894             case 2:
5895                 leave_cmds.push_back( p_data );
5896                 break;
5897             default:
5898                 delete p_data;
5899             }
5900         }
5901     }
5902 }
5903
5904 bool chapter_item_c::Enter( bool b_do_subs )
5905 {
5906     bool f_result = false;
5907     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5908     while ( index != codecs.end() )
5909     {
5910         f_result |= (*index)->Enter();
5911         index++;
5912     }
5913
5914     if ( b_do_subs )
5915     {
5916         // sub chapters
5917         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5918         while ( index_ != sub_chapters.end() )
5919         {
5920             f_result |= (*index_)->Enter( true );
5921             index_++;
5922         }
5923     }
5924     return f_result;
5925 }
5926
5927 bool chapter_item_c::Leave( bool b_do_subs )
5928 {
5929     bool f_result = false;
5930     b_is_leaving = true;
5931     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5932     while ( index != codecs.end() )
5933     {
5934         f_result |= (*index)->Leave();
5935         index++;
5936     }
5937
5938     if ( b_do_subs )
5939     {
5940         // sub chapters
5941         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5942         while ( index_ != sub_chapters.end() )
5943         {
5944             f_result |= (*index_)->Leave( true );
5945             index_++;
5946         }
5947     }
5948     b_is_leaving = false;
5949     return f_result;
5950 }
5951
5952 bool chapter_item_c::EnterAndLeave( chapter_item_c *p_item, bool b_final_enter )
5953 {
5954     chapter_item_c *p_common_parent = p_item;
5955
5956     // leave, up to a common parent
5957     while ( p_common_parent != NULL && !p_common_parent->ParentOf( *this ) )
5958     {
5959         if ( !p_common_parent->b_is_leaving && p_common_parent->Leave( false ) )
5960             return true;
5961         p_common_parent = p_common_parent->psz_parent;
5962     }
5963
5964     // enter from the parent to <this>
5965     if ( p_common_parent != NULL )
5966     {
5967         do
5968         {
5969             if ( p_common_parent == this )
5970                 return Enter( true );
5971
5972             for ( size_t i = 0; i<p_common_parent->sub_chapters.size(); i++ )
5973             {
5974                 if ( p_common_parent->sub_chapters[i]->ParentOf( *this ) )
5975                 {
5976                     p_common_parent = p_common_parent->sub_chapters[i];
5977                     if ( p_common_parent != this )
5978                         if ( p_common_parent->Enter( false ) )
5979                             return true;
5980
5981                     break;
5982                 }
5983             }
5984         } while ( 1 );
5985     }
5986
5987     if ( b_final_enter )
5988         return Enter( true );
5989     else
5990         return false;
5991 }
5992
5993 bool dvd_chapter_codec_c::Enter()
5994 {
5995     bool f_result = false;
5996     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
5997     while ( index != enter_cmds.end() )
5998     {
5999         if ( (*index)->GetSize() )
6000         {
6001             binary *p_data = (*index)->GetBuffer();
6002             size_t i_size = *p_data++;
6003             // avoid reading too much from the buffer
6004             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
6005             for ( ; i_size > 0; i_size--, p_data += 8 )
6006             {
6007                 msg_Dbg( &sys.demuxer, "Matroska DVD enter command" );
6008                 f_result |= sys.dvd_interpretor.Interpret( p_data );
6009             }
6010         }
6011         index++;
6012     }
6013     return f_result;
6014 }
6015
6016 bool dvd_chapter_codec_c::Leave()
6017 {
6018     bool f_result = false;
6019     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
6020     while ( index != leave_cmds.end() )
6021     {
6022         if ( (*index)->GetSize() )
6023         {
6024             binary *p_data = (*index)->GetBuffer();
6025             size_t i_size = *p_data++;
6026             // avoid reading too much from the buffer
6027             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
6028             for ( ; i_size > 0; i_size--, p_data += 8 )
6029             {
6030                 msg_Dbg( &sys.demuxer, "Matroska DVD leave command" );
6031                 f_result |= sys.dvd_interpretor.Interpret( p_data );
6032             }
6033         }
6034         index++;
6035     }
6036     return f_result;
6037 }
6038
6039 // see http://www.dvd-replica.com/DVD/vmcmdset.php for a description of DVD commands
6040 bool dvd_command_interpretor_c::Interpret( const binary * p_command, size_t i_size )
6041 {
6042     if ( i_size != 8 )
6043         return false;
6044
6045     virtual_segment_c *p_segment = NULL;
6046     chapter_item_c *p_chapter = NULL;
6047     bool f_result = false;
6048     uint16 i_command = ( p_command[0] << 8 ) + p_command[1];
6049
6050     // handle register tests if there are some
6051     if ( (i_command & 0xF0) != 0 )
6052     {
6053         bool b_test_positive = true;//(i_command & CMD_DVD_IF_NOT) == 0;
6054         bool b_test_value    = (i_command & CMD_DVD_TEST_VALUE) != 0;
6055         uint8 i_test = i_command & 0x70;
6056         uint16 i_value;
6057
6058         // see http://dvd.sourceforge.net/dvdinfo/vmi.html
6059         uint8  i_cr1;
6060         uint16 i_cr2;
6061         switch ( i_command >> 12 )
6062         {
6063         default:
6064             i_cr1 = p_command[3];
6065             i_cr2 = (p_command[4] << 8) + p_command[5];
6066             break;
6067         case 3:
6068         case 4:
6069         case 5:
6070             i_cr1 = p_command[6];
6071             i_cr2 = p_command[7];
6072             b_test_value = false;
6073             break;
6074         case 6:
6075         case 7:
6076             if ( ((p_command[1] >> 4) & 0x7) == 0)
6077             {
6078                 i_cr1 = p_command[2];
6079                 i_cr2 = (p_command[6] << 8) + p_command[7];
6080             }
6081             else
6082             {
6083                 i_cr1 = p_command[2];
6084                 i_cr2 = (p_command[6] << 8) + p_command[7];
6085             }
6086             break;
6087         }
6088
6089         if ( b_test_value )
6090             i_value = i_cr2;
6091         else
6092             i_value = GetPRM( i_cr2 );
6093
6094         switch ( i_test )
6095         {
6096         case CMD_DVD_IF_GPREG_EQUAL:
6097             // if equals
6098             msg_Dbg( &sys.demuxer, "IF %s EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6099             if (!( GetPRM( i_cr1 ) == i_value ))
6100             {
6101                 b_test_positive = false;
6102             }
6103             break;
6104         case CMD_DVD_IF_GPREG_NOT_EQUAL:
6105             // if not equals
6106             msg_Dbg( &sys.demuxer, "IF %s NOT EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6107             if (!( GetPRM( i_cr1 ) != i_value ))
6108             {
6109                 b_test_positive = false;
6110             }
6111             break;
6112         case CMD_DVD_IF_GPREG_INF:
6113             // if inferior
6114             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6115             if (!( GetPRM( i_cr1 ) < i_value ))
6116             {
6117                 b_test_positive = false;
6118             }
6119             break;
6120         case CMD_DVD_IF_GPREG_INF_EQUAL:
6121             // if inferior or equal
6122             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6123             if (!( GetPRM( i_cr1 ) <= i_value ))
6124             {
6125                 b_test_positive = false;
6126             }
6127             break;
6128         case CMD_DVD_IF_GPREG_AND:
6129             // if logical and
6130             msg_Dbg( &sys.demuxer, "IF %s & %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6131             if (!( GetPRM( i_cr1 ) & i_value ))
6132             {
6133                 b_test_positive = false;
6134             }
6135             break;
6136         case CMD_DVD_IF_GPREG_SUP:
6137             // if superior
6138             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6139             if (!( GetPRM( i_cr1 ) > i_value ))
6140             {
6141                 b_test_positive = false;
6142             }
6143             break;
6144         case CMD_DVD_IF_GPREG_SUP_EQUAL:
6145             // if superior or equal
6146             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6147             if (!( GetPRM( i_cr1 ) >= i_value ))
6148             {
6149                 b_test_positive = false;
6150             }
6151             break;
6152         }
6153
6154         if ( !b_test_positive )
6155             return false;
6156     }
6157
6158     // strip the test command
6159     i_command &= 0xFF0F;
6160
6161     switch ( i_command )
6162     {
6163     case CMD_DVD_NOP:
6164     case CMD_DVD_NOP2:
6165         {
6166             msg_Dbg( &sys.demuxer, "NOP" );
6167             break;
6168         }
6169     case CMD_DVD_BREAK:
6170         {
6171             msg_Dbg( &sys.demuxer, "Break" );
6172             // TODO
6173             break;
6174         }
6175     case CMD_DVD_JUMP_TT:
6176         {
6177             uint8 i_title = p_command[5];
6178             msg_Dbg( &sys.demuxer, "JumpTT %d", i_title );
6179
6180             // find in the ChapProcessPrivate matching this Title level
6181             p_chapter = sys.BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title), p_segment );
6182             if ( p_segment != NULL )
6183             {
6184                 sys.JumpTo( *p_segment, p_chapter );
6185                 f_result = true;
6186             }
6187
6188             break;
6189         }
6190     case CMD_DVD_CALLSS_VTSM1:
6191         {
6192             msg_Dbg( &sys.demuxer, "CallSS" );
6193             binary p_type;
6194             switch( (p_command[6] & 0xC0) >> 6 ) {
6195                 case 0:
6196                     p_type = p_command[5] & 0x0F;
6197                     switch ( p_type )
6198                     {
6199                     case 0x00:
6200                         msg_Dbg( &sys.demuxer, "CallSS PGC (rsm_cell %x)", p_command[4]);
6201                         break;
6202                     case 0x02:
6203                         msg_Dbg( &sys.demuxer, "CallSS Title Entry (rsm_cell %x)", p_command[4]);
6204                         break;
6205                     case 0x03:
6206                         msg_Dbg( &sys.demuxer, "CallSS Root Menu (rsm_cell %x)", p_command[4]);
6207                         break;
6208                     case 0x04:
6209                         msg_Dbg( &sys.demuxer, "CallSS Subpicture Menu (rsm_cell %x)", p_command[4]);
6210                         break;
6211                     case 0x05:
6212                         msg_Dbg( &sys.demuxer, "CallSS Audio Menu (rsm_cell %x)", p_command[4]);
6213                         break;
6214                     case 0x06:
6215                         msg_Dbg( &sys.demuxer, "CallSS Angle Menu (rsm_cell %x)", p_command[4]);
6216                         break;
6217                     case 0x07:
6218                         msg_Dbg( &sys.demuxer, "CallSS Chapter Menu (rsm_cell %x)", p_command[4]);
6219                         break;
6220                     default:
6221                         msg_Dbg( &sys.demuxer, "CallSS <unknown> (rsm_cell %x)", p_command[4]);
6222                         break;
6223                     }
6224                     p_chapter = sys.BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1, p_segment );
6225                     if ( p_segment != NULL )
6226                     {
6227                         sys.JumpTo( *p_segment, p_chapter );
6228                         f_result = true;
6229                     }
6230                 break;
6231                 case 1:
6232                     msg_Dbg( &sys.demuxer, "CallSS VMGM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
6233                 break;
6234                 case 2:
6235                     msg_Dbg( &sys.demuxer, "CallSS VTSM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
6236                 break;
6237                 case 3:
6238                     msg_Dbg( &sys.demuxer, "CallSS VMGM (pgc %d, rsm_cell %x)", (p_command[2] << 8) + p_command[3], p_command[4]);
6239                 break;
6240             }
6241             break;
6242         }
6243     case CMD_DVD_JUMP_SS:
6244         {
6245             msg_Dbg( &sys.demuxer, "JumpSS");
6246             binary p_type;
6247             switch( (p_command[5] & 0xC0) >> 6 ) {
6248                 case 0:
6249                     msg_Dbg( &sys.demuxer, "JumpSS FP");
6250                 break;
6251                 case 1:
6252                     p_type = p_command[5] & 0x0F;
6253                     switch ( p_type )
6254                     {
6255                     case 0x02:
6256                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Title Entry");
6257                         break;
6258                     case 0x03:
6259                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Root Menu");
6260                         break;
6261                     case 0x04:
6262                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Subpicture Menu");
6263                         break;
6264                     case 0x05:
6265                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Audio Menu");
6266                         break;
6267                     case 0x06:
6268                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Angle Menu");
6269                         break;
6270                     case 0x07:
6271                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Chapter Menu");
6272                         break;
6273                     default:
6274                         msg_Dbg( &sys.demuxer, "JumpSS <unknown>");
6275                         break;
6276                     }
6277                     // find the VMG
6278                     p_chapter = sys.BrowseCodecPrivate( 1, MatchIsVMG, NULL, 0, p_segment );
6279                     if ( p_segment != NULL )
6280                     {
6281                         p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
6282                         if ( p_chapter != NULL )
6283                         {
6284                             sys.JumpTo( *p_segment, p_chapter );
6285                             f_result = true;
6286                         }
6287                     }
6288                 break;
6289                 case 2:
6290                     p_type = p_command[5] & 0x0F;
6291                     switch ( p_type )
6292                     {
6293                     case 0x02:
6294                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Title Entry", p_command[4], p_command[3]);
6295                         break;
6296                     case 0x03:
6297                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Root Menu", p_command[4], p_command[3]);
6298                         break;
6299                     case 0x04:
6300                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Subpicture Menu", p_command[4], p_command[3]);
6301                         break;
6302                     case 0x05:
6303                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Audio Menu", p_command[4], p_command[3]);
6304                         break;
6305                     case 0x06:
6306                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Angle Menu", p_command[4], p_command[3]);
6307                         break;
6308                     case 0x07:
6309                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Chapter Menu", p_command[4], p_command[3]);
6310                         break;
6311                     default:
6312                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) <unknown>", p_command[4], p_command[3]);
6313                         break;
6314                     }
6315
6316                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSMNumber, &p_command[4], 1, p_segment );
6317
6318                     if ( p_segment != NULL && p_chapter != NULL )
6319                     {
6320                         // find the title in the VTS
6321                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &p_command[3], 1 );
6322                         if ( p_chapter != NULL )
6323                         {
6324                             // find the specified menu in the VTSM
6325                             p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
6326                             if ( p_chapter != NULL )
6327                             {
6328                                 sys.JumpTo( *p_segment, p_chapter );
6329                                 f_result = true;
6330                             }
6331                         }
6332                         else
6333                             msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", p_command[3] );
6334                     }
6335                     else
6336                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", p_command[4] );
6337                 break;
6338                 case 3:
6339                     msg_Dbg( &sys.demuxer, "JumpSS VMGM (pgc %d)", (p_command[2] << 8) + p_command[3]);
6340                 break;
6341             }
6342             break;
6343         }
6344     case CMD_DVD_JUMPVTS_PTT:
6345         {
6346             uint8 i_title = p_command[5];
6347             uint8 i_ptt = p_command[3];
6348
6349             msg_Dbg( &sys.demuxer, "JumpVTS Title (%d) PTT (%d)", i_title, i_ptt);
6350
6351             // find the current VTS content segment
6352             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchIsDomain, NULL, 0 );
6353             if ( p_chapter != NULL )
6354             {
6355                 int16 i_curr_title = p_chapter->GetTitleNumber( );
6356                 if ( i_curr_title > 0 )
6357                 {
6358                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSNumber, &i_curr_title, sizeof(i_curr_title), p_segment );
6359
6360                     if ( p_segment != NULL && p_chapter != NULL )
6361                     {
6362                         // find the title in the VTS
6363                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title) );
6364                         if ( p_chapter != NULL )
6365                         {
6366                             // find the chapter in the title
6367                             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchChapterNumber, &i_ptt, sizeof(i_ptt) );
6368                             if ( p_chapter != NULL )
6369                             {
6370                                 sys.JumpTo( *p_segment, p_chapter );
6371                                 f_result = true;
6372                             }
6373                         }
6374                     else
6375                         msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", i_title );
6376                     }
6377                     else
6378                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", i_curr_title );
6379                 }
6380                 else
6381                     msg_Dbg( &sys.demuxer, "JumpVTS_PTT command found but not in a VTS(M)");
6382             }
6383             else
6384                 msg_Dbg( &sys.demuxer, "JumpVTS_PTT command but the DVD domain wasn't found");
6385             break;
6386         }
6387     case CMD_DVD_SET_GPRMMD:
6388         {
6389             msg_Dbg( &sys.demuxer, "Set GPRMMD [%d]=%d", (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3]);
6390
6391             if ( !SetGPRM( (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3] ) )
6392                 msg_Dbg( &sys.demuxer, "Set GPRMMD failed" );
6393             break;
6394         }
6395     case CMD_DVD_LINKPGCN:
6396         {
6397             uint16 i_pgcn = (p_command[6] << 8) + p_command[7];
6398
6399             msg_Dbg( &sys.demuxer, "Link PGCN(%d)", i_pgcn );
6400             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchPgcNumber, &i_pgcn, 2 );
6401             if ( p_chapter != NULL )
6402             {
6403                 if ( !p_chapter->Enter( true ) )
6404                     // jump to the location in the found segment
6405                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6406
6407                 f_result = true;
6408             }
6409             break;
6410         }
6411     case CMD_DVD_LINKCN:
6412         {
6413             uint8 i_cn = p_command[7];
6414
6415             p_chapter = sys.p_current_segment->CurrentChapter();
6416
6417             msg_Dbg( &sys.demuxer, "LinkCN (cell %d)", i_cn );
6418             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchCellNumber, &i_cn, 1 );
6419             if ( p_chapter != NULL )
6420             {
6421                 if ( !p_chapter->Enter( true ) )
6422                     // jump to the location in the found segment
6423                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6424
6425                 f_result = true;
6426             }
6427             break;
6428         }
6429     case CMD_DVD_GOTO_LINE:
6430         {
6431             msg_Dbg( &sys.demuxer, "GotoLine (%d)", (p_command[6] << 8) + p_command[7] );
6432             // TODO
6433             break;
6434         }
6435     case CMD_DVD_SET_HL_BTNN1:
6436         {
6437             msg_Dbg( &sys.demuxer, "SetHL_BTN (%d)", p_command[4] );
6438             SetSPRM( 0x88, p_command[4] );
6439             break;
6440         }
6441     default:
6442         {
6443             msg_Dbg( &sys.demuxer, "unsupported command : %02X %02X %02X %02X %02X %02X %02X %02X"
6444                      ,p_command[0]
6445                      ,p_command[1]
6446                      ,p_command[2]
6447                      ,p_command[3]
6448                      ,p_command[4]
6449                      ,p_command[5]
6450                      ,p_command[6]
6451                      ,p_command[7]);
6452             break;
6453         }
6454     }
6455
6456     return f_result;
6457 }
6458
6459 bool dvd_command_interpretor_c::MatchIsDomain( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6460 {
6461     return ( data.p_private_data != NULL && data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS );
6462 }
6463
6464 bool dvd_command_interpretor_c::MatchIsVMG( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6465 {
6466     if ( data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
6467         return false;
6468
6469     return ( data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS && data.p_private_data->GetBuffer()[1] == 0xC0);
6470 }
6471
6472 bool dvd_command_interpretor_c::MatchVTSNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6473 {
6474     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6475         return false;
6476
6477     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x80 )
6478         return false;
6479
6480     uint16 i_gtitle = (data.p_private_data->GetBuffer()[2] << 8 ) + data.p_private_data->GetBuffer()[3];
6481     uint16 i_title = *(uint16*)p_cookie;
6482
6483     return (i_gtitle == i_title);
6484 }
6485
6486 bool dvd_command_interpretor_c::MatchVTSMNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6487 {
6488     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6489         return false;
6490
6491     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x40 )
6492         return false;
6493
6494     uint8 i_gtitle = data.p_private_data->GetBuffer()[3];
6495     uint8 i_title = *(uint8*)p_cookie;
6496
6497     return (i_gtitle == i_title);
6498 }
6499
6500 bool dvd_command_interpretor_c::MatchTitleNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6501 {
6502     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6503         return false;
6504
6505     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_TT )
6506         return false;
6507
6508     uint16 i_gtitle = (data.p_private_data->GetBuffer()[1] << 8 ) + data.p_private_data->GetBuffer()[2];
6509     uint8 i_title = *(uint8*)p_cookie;
6510
6511     return (i_gtitle == i_title);
6512 }
6513
6514 bool dvd_command_interpretor_c::MatchPgcType( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6515 {
6516     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6517         return false;
6518
6519     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6520         return false;
6521
6522     uint8 i_pgc_type = data.p_private_data->GetBuffer()[3] & 0x0F;
6523     uint8 i_pgc = *(uint8*)p_cookie;
6524
6525     return (i_pgc_type == i_pgc);
6526 }
6527
6528 bool dvd_command_interpretor_c::MatchPgcNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6529 {
6530     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6531         return false;
6532
6533     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6534         return false;
6535
6536     uint16 *i_pgc_n = (uint16 *)p_cookie;
6537     uint16 i_pgc_num = (data.p_private_data->GetBuffer()[1] << 8) + data.p_private_data->GetBuffer()[2];
6538
6539     return (i_pgc_num == *i_pgc_n);
6540 }
6541
6542 bool dvd_command_interpretor_c::MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6543 {
6544     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
6545         return false;
6546
6547     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PTT )
6548         return false;
6549
6550     uint8 i_chapter = data.p_private_data->GetBuffer()[1];
6551     uint8 i_ptt = *(uint8*)p_cookie;
6552
6553     return (i_chapter == i_ptt);
6554 }
6555
6556 bool dvd_command_interpretor_c::MatchCellNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6557 {
6558     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 5 )
6559         return false;
6560
6561     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_CN )
6562         return false;
6563
6564     uint8 *i_cell_n = (uint8 *)p_cookie;
6565     uint8 i_cell_num = data.p_private_data->GetBuffer()[3];
6566
6567     return (i_cell_num == *i_cell_n);
6568 }
6569
6570 bool matroska_script_codec_c::Enter()
6571 {
6572     bool f_result = false;
6573     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
6574     while ( index != enter_cmds.end() )
6575     {
6576         if ( (*index)->GetSize() )
6577         {
6578             msg_Dbg( &sys.demuxer, "Matroska Script enter command" );
6579             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6580         }
6581         index++;
6582     }
6583     return f_result;
6584 }
6585
6586 bool matroska_script_codec_c::Leave()
6587 {
6588     bool f_result = false;
6589     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
6590     while ( index != leave_cmds.end() )
6591     {
6592         if ( (*index)->GetSize() )
6593         {
6594             msg_Dbg( &sys.demuxer, "Matroska Script leave command" );
6595             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6596         }
6597         index++;
6598     }
6599     return f_result;
6600 }
6601
6602 // see http://www.matroska.org/technical/specs/chapters/index.html#mscript
6603 //  for a description of existing commands
6604 bool matroska_script_interpretor_c::Interpret( const binary * p_command, size_t i_size )
6605 {
6606     bool b_result = false;
6607
6608     char *psz_str = (char*) malloc( i_size + 1 );
6609     memcpy( psz_str, p_command, i_size );
6610     psz_str[ i_size ] = '\0';
6611
6612     std::string sz_command = psz_str;
6613     free( psz_str );
6614
6615     msg_Dbg( &sys.demuxer, "command : %s", sz_command.c_str() );
6616
6617 #if defined(__GNUC__) && (__GNUC__ < 3)
6618     if ( sz_command.compare( CMD_MS_GOTO_AND_PLAY, 0, CMD_MS_GOTO_AND_PLAY.size() ) == 0 )
6619 #else
6620     if ( sz_command.compare( 0, CMD_MS_GOTO_AND_PLAY.size(), CMD_MS_GOTO_AND_PLAY ) == 0 )
6621 #endif
6622     {
6623         size_t i,j;
6624
6625         // find the (
6626         for ( i=CMD_MS_GOTO_AND_PLAY.size(); i<sz_command.size(); i++)
6627         {
6628             if ( sz_command[i] == '(' )
6629             {
6630                 i++;
6631                 break;
6632             }
6633         }
6634         // find the )
6635         for ( j=i; j<sz_command.size(); j++)
6636         {
6637             if ( sz_command[j] == ')' )
6638             {
6639                 i--;
6640                 break;
6641             }
6642         }
6643
6644         std::string st = sz_command.substr( i+1, j-i-1 );
6645         int64_t i_chapter_uid = atoi( st.c_str() );
6646
6647         virtual_segment_c *p_segment;
6648         chapter_item_c *p_chapter = sys.FindChapter( i_chapter_uid, p_segment );
6649
6650         if ( p_chapter == NULL )
6651             msg_Dbg( &sys.demuxer, "Chapter "I64Fd" not found", i_chapter_uid);
6652         else
6653         {
6654             if ( !p_chapter->EnterAndLeave( sys.p_current_segment->CurrentChapter() ) )
6655                 p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6656             b_result = true;
6657         }
6658     }
6659
6660     return b_result;
6661 }
6662
6663 void demux_sys_t::SwapButtons()
6664 {
6665 #ifndef WORDS_BIGENDIAN
6666     uint8_t button, i, j;
6667
6668     for( button = 1; button <= pci_packet.hli.hl_gi.btn_ns; button++) {
6669         btni_t *button_ptr = &(pci_packet.hli.btnit[button-1]);
6670         binary *p_data = (binary*) button_ptr;
6671
6672         uint16 i_x_start = ((p_data[0] & 0x3F) << 4 ) + ( p_data[1] >> 4 );
6673         uint16 i_x_end   = ((p_data[1] & 0x03) << 8 ) + p_data[2];
6674         uint16 i_y_start = ((p_data[3] & 0x3F) << 4 ) + ( p_data[4] >> 4 );
6675         uint16 i_y_end   = ((p_data[4] & 0x03) << 8 ) + p_data[5];
6676         button_ptr->x_start = i_x_start;
6677         button_ptr->x_end   = i_x_end;
6678         button_ptr->y_start = i_y_start;
6679         button_ptr->y_end   = i_y_end;
6680
6681     }
6682     for ( i = 0; i<3; i++ )
6683     {
6684         for ( j = 0; j<2; j++ )
6685         {
6686             pci_packet.hli.btn_colit.btn_coli[i][j] = U32_AT( &pci_packet.hli.btn_colit.btn_coli[i][j] );
6687         }
6688     }
6689 #endif
6690 }