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

   1 /*****************************************************************************
   2  * mkv.cpp : matroska demuxer
   3  *****************************************************************************
   4  * Copyright (C) 2003-2004 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   8  *          Steve Lhomme <steve.lhomme@free.fr>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  23  *****************************************************************************/
  24
  25 /*****************************************************************************
  26  * Preamble
  27  *****************************************************************************/
  28
  29 #include <vlc/vlc.h>
  30
  31 #ifdef HAVE_TIME_H
  32 #   include <time.h>                                               /* time() */
  33 #endif
  34
  35
  36 #include <vlc_codecs.h>               /* BITMAPINFOHEADER, WAVEFORMATEX */
  37 #include "iso_lang.h"
  38 #include "vlc_meta.h"
  39 #include <vlc_charset.h>
  40 #include <vlc_input.h>
  41 #include <vlc_demux.h>
  42
  43 #include <iostream>
  44 #include <cassert>
  45 #include <typeinfo>
  46 #include <string>
  47 #include <vector>
  48 #include <algorithm>
  49
  50 #ifdef HAVE_DIRENT_H
  51 #   include <dirent.h>
  52 #endif
  53
  54 /* libebml and matroska */
  55 #include "ebml/EbmlHead.h"
  56 #include "ebml/EbmlSubHead.h"
  57 #include "ebml/EbmlStream.h"
  58 #include "ebml/EbmlContexts.h"
  59 #include "ebml/EbmlVoid.h"
  60 #include "ebml/EbmlVersion.h"
  61 #include "ebml/StdIOCallback.h"
  62
  63 #include "matroska/KaxAttachments.h"
  64 #include "matroska/KaxAttached.h"
  65 #include "matroska/KaxBlock.h"
  66 #include "matroska/KaxBlockData.h"
  67 #include "matroska/KaxChapters.h"
  68 #include "matroska/KaxCluster.h"
  69 #include "matroska/KaxClusterData.h"
  70 #include "matroska/KaxContexts.h"
  71 #include "matroska/KaxCues.h"
  72 #include "matroska/KaxCuesData.h"
  73 #include "matroska/KaxInfo.h"
  74 #include "matroska/KaxInfoData.h"
  75 #include "matroska/KaxSeekHead.h"
  76 #include "matroska/KaxSegment.h"
  77 #include "matroska/KaxTag.h"
  78 #include "matroska/KaxTags.h"
  79 #include "matroska/KaxTagMulti.h"
  80 #include "matroska/KaxTracks.h"
  81 #include "matroska/KaxTrackAudio.h"
  82 #include "matroska/KaxTrackVideo.h"
  83 #include "matroska/KaxTrackEntryData.h"
  84 #include "matroska/KaxContentEncoding.h"
  85 #include "matroska/KaxVersion.h"
  86
  87 #include "ebml/StdIOCallback.h"
  88
  89 #if LIBMATROSKA_VERSION < 0x000706
  90 START_LIBMATROSKA_NAMESPACE
  91 extern const EbmlSemanticContext MATROSKA_DLL_API KaxMatroska_Context;
  92 END_LIBMATROSKA_NAMESPACE
  93 #endif
  94
  95 #include "vlc_keys.h"
  96
  97 extern "C" {
  98    #include "mp4/libmp4.h"
  99 }
 100 #ifdef HAVE_ZLIB_H
 101 #   include <zlib.h>
 102 #endif
 103
 104 #define MATROSKA_COMPRESSION_NONE  -1
 105 #define MATROSKA_COMPRESSION_ZLIB   0
 106 #define MATROSKA_COMPRESSION_BLIB   1
 107 #define MATROSKA_COMPRESSION_LZOX   2
 108 #define MATROSKA_COMPRESSION_HEADER 3
 109
 110 #define MKVD_TIMECODESCALE 1000000
 111
 112 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 113 #undef ATTRIBUTE_PACKED
 114 #undef PRAGMA_PACK_BEGIN
 115 #undef PRAGMA_PACK_END
 116
 117 #if defined(__GNUC__)
 118 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)
 119 #define ATTRIBUTE_PACKED __attribute__ ((packed))
 120 #define PRAGMA_PACK 0
 121 #endif
 122 #endif
 123
 124 #if !defined(ATTRIBUTE_PACKED)
 125 #define ATTRIBUTE_PACKED
 126 #define PRAGMA_PACK 1
 127 #endif
 128
 129 #if PRAGMA_PACK
 130 #pragma pack(1)
 131 #endif
 132
 133 /*************************************
 134 *  taken from libdvdnav / libdvdread
 135 **************************************/
 136
 137 /**
 138  * DVD Time Information.
 139  */
 140 typedef struct {
 141   uint8_t hour;
 142   uint8_t minute;
 143   uint8_t second;
 144   uint8_t frame_u; /* The two high bits are the frame rate. */
 145 } ATTRIBUTE_PACKED dvd_time_t;
 146
 147 /**
 148  * User Operations.
 149  */
 150 typedef struct {
 151 #ifdef WORDS_BIGENDIAN
 152   unsigned char zero                           : 7; /* 25-31 */
 153   unsigned char video_pres_mode_change         : 1; /* 24 */
 154
 155   unsigned char karaoke_audio_pres_mode_change : 1; /* 23 */
 156   unsigned char angle_change                   : 1;
 157   unsigned char subpic_stream_change           : 1;
 158   unsigned char audio_stream_change            : 1;
 159   unsigned char pause_on                       : 1;
 160   unsigned char still_off                      : 1;
 161   unsigned char button_select_or_activate      : 1;
 162   unsigned char resume                         : 1; /* 16 */
 163
 164   unsigned char chapter_menu_call              : 1; /* 15 */
 165   unsigned char angle_menu_call                : 1;
 166   unsigned char audio_menu_call                : 1;
 167   unsigned char subpic_menu_call               : 1;
 168   unsigned char root_menu_call                 : 1;
 169   unsigned char title_menu_call                : 1;
 170   unsigned char backward_scan                  : 1;
 171   unsigned char forward_scan                   : 1; /* 8 */
 172
 173   unsigned char next_pg_search                 : 1; /* 7 */
 174   unsigned char prev_or_top_pg_search          : 1;
 175   unsigned char time_or_chapter_search         : 1;
 176   unsigned char go_up                          : 1;
 177   unsigned char stop                           : 1;
 178   unsigned char title_play                     : 1;
 179   unsigned char chapter_search_or_play         : 1;
 180   unsigned char title_or_time_play             : 1; /* 0 */
 181 #else
 182   unsigned char video_pres_mode_change         : 1; /* 24 */
 183   unsigned char zero                           : 7; /* 25-31 */
 184
 185   unsigned char resume                         : 1; /* 16 */
 186   unsigned char button_select_or_activate      : 1;
 187   unsigned char still_off                      : 1;
 188   unsigned char pause_on                       : 1;
 189   unsigned char audio_stream_change            : 1;
 190   unsigned char subpic_stream_change           : 1;
 191   unsigned char angle_change                   : 1;
 192   unsigned char karaoke_audio_pres_mode_change : 1; /* 23 */
 193
 194   unsigned char forward_scan                   : 1; /* 8 */
 195   unsigned char backward_scan                  : 1;
 196   unsigned char title_menu_call                : 1;
 197   unsigned char root_menu_call                 : 1;
 198   unsigned char subpic_menu_call               : 1;
 199   unsigned char audio_menu_call                : 1;
 200   unsigned char angle_menu_call                : 1;
 201   unsigned char chapter_menu_call              : 1; /* 15 */
 202
 203   unsigned char title_or_time_play             : 1; /* 0 */
 204   unsigned char chapter_search_or_play         : 1;
 205   unsigned char title_play                     : 1;
 206   unsigned char stop                           : 1;
 207   unsigned char go_up                          : 1;
 208   unsigned char time_or_chapter_search         : 1;
 209   unsigned char prev_or_top_pg_search          : 1;
 210   unsigned char next_pg_search                 : 1; /* 7 */
 211 #endif
 212 } ATTRIBUTE_PACKED user_ops_t;
 213
 214 /**
 215  * Type to store per-command data.
 216  */
 217 typedef struct {
 218   uint8_t bytes[8];
 219 } ATTRIBUTE_PACKED vm_cmd_t;
 220 #define COMMAND_DATA_SIZE 8
 221
 222 /**
 223  * PCI General Information
 224  */
 225 typedef struct {
 226   uint32_t nv_pck_lbn;      /**< sector address of this nav pack */
 227   uint16_t vobu_cat;        /**< 'category' of vobu */
 228   uint16_t zero1;           /**< reserved */
 229   user_ops_t vobu_uop_ctl;  /**< UOP of vobu */
 230   uint32_t vobu_s_ptm;      /**< start presentation time of vobu */
 231   uint32_t vobu_e_ptm;      /**< end presentation time of vobu */
 232   uint32_t vobu_se_e_ptm;   /**< end ptm of sequence end in vobu */
 233   dvd_time_t e_eltm;        /**< Cell elapsed time */
 234   char vobu_isrc[32];
 235 } ATTRIBUTE_PACKED pci_gi_t;
 236
 237 /**
 238  * Non Seamless Angle Information
 239  */
 240 typedef struct {
 241   uint32_t nsml_agl_dsta[9];  /**< address of destination vobu in AGL_C#n */
 242 } ATTRIBUTE_PACKED nsml_agli_t;
 243
 244 /**
 245  * Highlight General Information
 246  *
 247  * For btngrX_dsp_ty the bits have the following meaning:
 248  * 000b: normal 4/3 only buttons
 249  * XX1b: wide (16/9) buttons
 250  * X1Xb: letterbox buttons
 251  * 1XXb: pan&scan buttons
 252  */
 253 typedef struct {
 254   uint16_t hli_ss; /**< status, only low 2 bits 0: no buttons, 1: different 2: equal 3: eual except for button cmds */
 255   uint32_t hli_s_ptm;              /**< start ptm of hli */
 256   uint32_t hli_e_ptm;              /**< end ptm of hli */
 257   uint32_t btn_se_e_ptm;           /**< end ptm of button select */
 258 #ifdef WORDS_BIGENDIAN
 259   unsigned char zero1 : 2;          /**< reserved */
 260   unsigned char btngr_ns : 2;       /**< number of button groups 1, 2 or 3 with 36/18/12 buttons */
 261   unsigned char zero2 : 1;          /**< reserved */
 262   unsigned char btngr1_dsp_ty : 3;  /**< display type of subpic stream for button group 1 */
 263   unsigned char zero3 : 1;          /**< reserved */
 264   unsigned char btngr2_dsp_ty : 3;  /**< display type of subpic stream for button group 2 */
 265   unsigned char zero4 : 1;          /**< reserved */
 266   unsigned char btngr3_dsp_ty : 3;  /**< display type of subpic stream for button group 3 */
 267 #else
 268   unsigned char btngr1_dsp_ty : 3;
 269   unsigned char zero2 : 1;
 270   unsigned char btngr_ns : 2;
 271   unsigned char zero1 : 2;
 272   unsigned char btngr3_dsp_ty : 3;
 273   unsigned char zero4 : 1;
 274   unsigned char btngr2_dsp_ty : 3;
 275   unsigned char zero3 : 1;
 276 #endif
 277   uint8_t btn_ofn;     /**< button offset number range 0-255 */
 278   uint8_t btn_ns;      /**< number of valid buttons  <= 36/18/12 (low 6 bits) */
 279   uint8_t nsl_btn_ns;  /**< number of buttons selectable by U_BTNNi (low 6 bits)   nsl_btn_ns <= btn_ns */
 280   uint8_t zero5;       /**< reserved */
 281   uint8_t fosl_btnn;   /**< forcedly selected button  (low 6 bits) */
 282   uint8_t foac_btnn;   /**< forcedly activated button (low 6 bits) */
 283 } ATTRIBUTE_PACKED hl_gi_t;
 284
 285
 286 /**
 287  * Button Color Information Table
 288  * Each entry beeing a 32bit word that contains the color indexs and alpha
 289  * values to use.  They are all represented by 4 bit number and stored
 290  * like this [Ci3, Ci2, Ci1, Ci0, A3, A2, A1, A0].   The actual palette
 291  * that the indexes reference is in the PGC.
 292  * \todo split the uint32_t into a struct
 293  */
 294 typedef struct {
 295   uint32_t btn_coli[3][2];  /**< [button color number-1][select:0/action:1] */
 296 } ATTRIBUTE_PACKED btn_colit_t;
 297
 298 /**
 299  * Button Information
 300  *
 301  * NOTE: I've had to change the structure from the disk layout to get
 302  * the packing to work with Sun's Forte C compiler.
 303  * The 4 and 7 bytes are 'rotated' was: ABC DEF GHIJ  is: ABCG DEFH IJ
 304  */
 305 typedef struct {
 306 #ifdef WORDS_BIGENDIAN
 307   uint32        btn_coln         : 2;  /**< button color number */
 308   uint32        x_start          : 10; /**< x start offset within the overlay */
 309   uint32        zero1            : 2;  /**< reserved */
 310   uint32        x_end            : 10; /**< x end offset within the overlay */
 311
 312   uint32        zero3            : 2;  /**< reserved */
 313   uint32        up               : 6;  /**< button index when pressing up */
 314
 315   uint32        auto_action_mode : 2;  /**< 0: no, 1: activated if selected */
 316   uint32        y_start          : 10; /**< y start offset within the overlay */
 317   uint32        zero2            : 2;  /**< reserved */
 318   uint32        y_end            : 10; /**< y end offset within the overlay */
 319
 320   uint32        zero4            : 2;  /**< reserved */
 321   uint32        down             : 6;  /**< button index when pressing down */
 322   unsigned char zero5            : 2;  /**< reserved */
 323   unsigned char left             : 6;  /**< button index when pressing left */
 324   unsigned char zero6            : 2;  /**< reserved */
 325   unsigned char right            : 6;  /**< button index when pressing right */
 326 #else
 327   uint32        x_end            : 10;
 328   uint32        zero1            : 2;
 329   uint32        x_start          : 10;
 330   uint32        btn_coln         : 2;
 331
 332   uint32        up               : 6;
 333   uint32        zero3            : 2;
 334
 335   uint32        y_end            : 10;
 336   uint32        zero2            : 2;
 337   uint32        y_start          : 10;
 338   uint32        auto_action_mode : 2;
 339
 340   uint32        down             : 6;
 341   uint32        zero4            : 2;
 342   unsigned char left             : 6;
 343   unsigned char zero5            : 2;
 344   unsigned char right            : 6;
 345   unsigned char zero6            : 2;
 346 #endif
 347   vm_cmd_t cmd;
 348 } ATTRIBUTE_PACKED btni_t;
 349
 350 /**
 351  * Highlight Information
 352  */
 353 typedef struct {
 354   hl_gi_t     hl_gi;
 355   btn_colit_t btn_colit;
 356   btni_t      btnit[36];
 357 } ATTRIBUTE_PACKED hli_t;
 358
 359 /**
 360  * PCI packet
 361  */
 362 typedef struct {
 363   pci_gi_t    pci_gi;
 364   nsml_agli_t nsml_agli;
 365   hli_t       hli;
 366   uint8_t     zero1[189];
 367 } ATTRIBUTE_PACKED pci_t;
 368
 369
 370 #if PRAGMA_PACK
 371 #pragma pack()
 372 #endif
 373 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 374
 375
 376 /**
 377  * What's between a directory and a filename?
 378  */
 379 #if defined( WIN32 )
 380     #define DIRECTORY_SEPARATOR '\\'
 381 #else
 382     #define DIRECTORY_SEPARATOR '/'
 383 #endif
 384
 385 using namespace LIBMATROSKA_NAMESPACE;
 386 using namespace std;
 387
 388 /*****************************************************************************
 389  * Module descriptor
 390  *****************************************************************************/
 391 static int  Open ( vlc_object_t * );
 392 static void Close( vlc_object_t * );
 393
 394 vlc_module_begin();
 395     set_shortname( "Matroska" );
 396     set_description( _("Matroska stream demuxer" ) );
 397     set_capability( "demux2", 50 );
 398     set_callbacks( Open, Close );
 399     set_category( CAT_INPUT );
 400     set_subcategory( SUBCAT_INPUT_DEMUX );
 401
 402     add_bool( "mkv-use-ordered-chapters", 1, NULL,
 403             N_("Ordered chapters"),
 404             N_("Play ordered chapters as specified in the segment."), VLC_TRUE );
 405
 406     add_bool( "mkv-use-chapter-codec", 1, NULL,
 407             N_("Chapter codecs"),
 408             N_("Use chapter codecs found in the segment."), VLC_TRUE );
 409
 410     add_bool( "mkv-preload-local-dir", 1, NULL,
 411             N_("Preload Directory"),
 412             N_("Preload matroska files from the same family in the same directory (not good for broken files)."), VLC_TRUE );
 413
 414     add_bool( "mkv-seek-percent", 0, NULL,
 415             N_("Seek based on percent not time"),
 416             N_("Seek based on percent not time."), VLC_TRUE );
 417
 418     add_bool( "mkv-use-dummy", 0, NULL,
 419             N_("Dummy Elements"),
 420             N_("Read and discard unknown EBML elements (not good for broken files)."), VLC_TRUE );
 421
 422     add_shortcut( "mka" );
 423     add_shortcut( "mkv" );
 424 vlc_module_end();
 425
 426 /*****************************************************************************
 427  * Local prototypes
 428  *****************************************************************************/
 429 #ifdef HAVE_ZLIB_H
 430 block_t *block_zlib_decompress( vlc_object_t *p_this, block_t *p_in_block ) {
 431     int result, dstsize, n;
 432     unsigned char *dst;
 433     block_t *p_block;
 434     z_stream d_stream;
 435
 436     d_stream.zalloc = (alloc_func)0;
 437     d_stream.zfree = (free_func)0;
 438     d_stream.opaque = (voidpf)0;
 439     result = inflateInit(&d_stream);
 440     if( result != Z_OK )
 441     {
 442         msg_Dbg( p_this, "inflateInit() failed. Result: %d", result );
 443         return NULL;
 444     }
 445
 446     d_stream.next_in = (Bytef *)p_in_block->p_buffer;
 447     d_stream.avail_in = p_in_block->i_buffer;
 448     n = 0;
 449     p_block = block_New( p_this, 0 );
 450     dst = NULL;
 451     do
 452     {
 453         n++;
 454         p_block = block_Realloc( p_block, 0, n * 1000 );
 455         dst = (unsigned char *)p_block->p_buffer;
 456         d_stream.next_out = (Bytef *)&dst[(n - 1) * 1000];
 457         d_stream.avail_out = 1000;
 458         result = inflate(&d_stream, Z_NO_FLUSH);
 459         if( ( result != Z_OK ) && ( result != Z_STREAM_END ) )
 460         {
 461             msg_Dbg( p_this, "Zlib decompression failed. Result: %d", result );
 462             return NULL;
 463         }
 464     }
 465     while( ( d_stream.avail_out == 0 ) && ( d_stream.avail_in != 0 ) &&
 466            ( result != Z_STREAM_END ) );
 467
 468     dstsize = d_stream.total_out;
 469     inflateEnd( &d_stream );
 470
 471     p_block = block_Realloc( p_block, 0, dstsize );
 472     p_block->i_buffer = dstsize;
 473     block_Release( p_in_block );
 474
 475     return p_block;
 476 }
 477 #endif
 478
 479 /**
 480  * Helper function to print the mkv parse tree
 481  */
 482 static void MkvTree( demux_t & demuxer, int i_level, const char *psz_format, ... )
 483 {
 484     va_list args;
 485     if( i_level > 9 )
 486     {
 487         msg_Err( &demuxer, "too deep tree" );
 488         return;
 489     }
 490     va_start( args, psz_format );
 491     static const char psz_foo[] = "|   |   |   |   |   |   |   |   |   |";
 492     char *psz_foo2 = (char*)malloc( ( i_level * 4 + 3 + strlen( psz_format ) ) * sizeof(char) );
 493     strncpy( psz_foo2, psz_foo, 4 * i_level );
 494     psz_foo2[ 4 * i_level ] = '+';
 495     psz_foo2[ 4 * i_level + 1 ] = ' ';
 496     strcpy( &psz_foo2[ 4 * i_level + 2 ], psz_format );
 497     __msg_GenericVa( VLC_OBJECT(&demuxer), MSG_QUEUE_NORMAL, VLC_MSG_DBG, "mkv", psz_foo2, args );
 498     free( psz_foo2 );
 499     va_end( args );
 500 }
 501
 502 /*****************************************************************************
 503  * Stream managment
 504  *****************************************************************************/
 505 class vlc_stream_io_callback: public IOCallback
 506 {
 507   private:
 508     stream_t       *s;
 509     vlc_bool_t     mb_eof;
 510     vlc_bool_t     b_owner;
 511
 512   public:
 513     vlc_stream_io_callback( stream_t *, vlc_bool_t );
 514
 515     virtual ~vlc_stream_io_callback()
 516     {
 517         if( b_owner )
 518             stream_Delete( s );
 519     }
 520
 521     virtual uint32   read            ( void *p_buffer, size_t i_size);
 522     virtual void     setFilePointer  ( int64_t i_offset, seek_mode mode = seek_beginning );
 523     virtual size_t   write           ( const void *p_buffer, size_t i_size);
 524     virtual uint64   getFilePointer  ( void );
 525     virtual void     close           ( void );
 526 };
 527
 528 /*****************************************************************************
 529  * Ebml Stream parser
 530  *****************************************************************************/
 531 class EbmlParser
 532 {
 533   public:
 534     EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux );
 535     virtual ~EbmlParser( void );
 536
 537     void Up( void );
 538     void Down( void );
 539     void Reset( demux_t *p_demux );
 540     EbmlElement *Get( void );
 541     void        Keep( void );
 542     EbmlElement *UnGet( uint64 i_block_pos, uint64 i_cluster_pos );
 543
 544     int GetLevel( void );
 545
 546   private:
 547     EbmlStream  *m_es;
 548     int         mi_level;
 549     EbmlElement *m_el[10];
 550     int64_t      mi_remain_size[10];
 551
 552     EbmlElement *m_got;
 553
 554     int         mi_user_level;
 555     vlc_bool_t  mb_keep;
 556     vlc_bool_t  mb_dummy;
 557 };
 558
 559
 560 /*****************************************************************************
 561  * Some functions to manipulate memory
 562  *****************************************************************************/
 563 #define GetFOURCC( p )  __GetFOURCC( (uint8_t*)p )
 564 static vlc_fourcc_t __GetFOURCC( uint8_t *p )
 565 {
 566     return VLC_FOURCC( p[0], p[1], p[2], p[3] );
 567 }
 568
 569 /*****************************************************************************
 570  * definitions of structures and functions used by this plugins
 571  *****************************************************************************/
 572 typedef struct
 573 {
 574 //    ~mkv_track_t();
 575
 576     vlc_bool_t   b_default;
 577     vlc_bool_t   b_enabled;
 578     unsigned int i_number;
 579
 580     int          i_extra_data;
 581     uint8_t      *p_extra_data;
 582
 583     char         *psz_codec;
 584
 585     uint64_t     i_default_duration;
 586     float        f_timecodescale;
 587     mtime_t      i_last_dts;
 588
 589     /* video */
 590     es_format_t fmt;
 591     float       f_fps;
 592     es_out_id_t *p_es;
 593
 594     /* audio */
 595     unsigned int i_original_rate;
 596
 597     vlc_bool_t      b_inited;
 598     /* data to be send first */
 599     int             i_data_init;
 600     uint8_t         *p_data_init;
 601
 602     /* hack : it's for seek */
 603     vlc_bool_t      b_search_keyframe;
 604     vlc_bool_t      b_silent;
 605
 606     /* informative */
 607     const char   *psz_codec_name;
 608     const char   *psz_codec_settings;
 609     const char   *psz_codec_info_url;
 610     const char   *psz_codec_download_url;
 611
 612     /* encryption/compression */
 613     int                    i_compression_type;
 614     KaxContentCompSettings *p_compression_data;
 615
 616 } mkv_track_t;
 617
 618 typedef struct
 619 {
 620     int     i_track;
 621     int     i_block_number;
 622
 623     int64_t i_position;
 624     int64_t i_time;
 625
 626     vlc_bool_t b_key;
 627 } mkv_index_t;
 628
 629 class demux_sys_t;
 630
 631 const binary MATROSKA_DVD_LEVEL_SS   = 0x30;
 632 const binary MATROSKA_DVD_LEVEL_LU   = 0x2A;
 633 const binary MATROSKA_DVD_LEVEL_TT   = 0x28;
 634 const binary MATROSKA_DVD_LEVEL_PGC  = 0x20;
 635 const binary MATROSKA_DVD_LEVEL_PG   = 0x18;
 636 const binary MATROSKA_DVD_LEVEL_PTT  = 0x10;
 637 const binary MATROSKA_DVD_LEVEL_CN   = 0x08;
 638
 639 class chapter_codec_cmds_c
 640 {
 641 public:
 642     chapter_codec_cmds_c( demux_sys_t & demuxer, int codec_id = -1)
 643     :p_private_data(NULL)
 644     ,i_codec_id( codec_id )
 645     ,sys( demuxer )
 646     {}
 647
 648     virtual ~chapter_codec_cmds_c()
 649     {
 650         delete p_private_data;
 651         std::vector<KaxChapterProcessData*>::iterator indexe = enter_cmds.begin();
 652         while ( indexe != enter_cmds.end() )
 653         {
 654             delete (*indexe);
 655             indexe++;
 656         }
 657         std::vector<KaxChapterProcessData*>::iterator indexl = leave_cmds.begin();
 658         while ( indexl != leave_cmds.end() )
 659         {
 660             delete (*indexl);
 661             indexl++;
 662         }
 663         std::vector<KaxChapterProcessData*>::iterator indexd = during_cmds.begin();
 664         while ( indexd != during_cmds.end() )
 665         {
 666             delete (*indexd);
 667             indexd++;
 668         }
 669     }
 670
 671     void SetPrivate( const KaxChapterProcessPrivate & private_data )
 672     {
 673         p_private_data = new KaxChapterProcessPrivate( private_data );
 674     }
 675
 676     void AddCommand( const KaxChapterProcessCommand & command );
 677
 678     /// \return wether the codec has seeked in the files or not
 679     virtual bool Enter() { return false; }
 680     virtual bool Leave() { return false; }
 681     virtual std::string GetCodecName( bool f_for_title = false ) const { return ""; }
 682     virtual int16 GetTitleNumber() { return -1; }
 683
 684     KaxChapterProcessPrivate *p_private_data;
 685
 686 protected:
 687     std::vector<KaxChapterProcessData*> enter_cmds;
 688     std::vector<KaxChapterProcessData*> during_cmds;
 689     std::vector<KaxChapterProcessData*> leave_cmds;
 690
 691     int i_codec_id;
 692     demux_sys_t & sys;
 693 };
 694
 695 class dvd_command_interpretor_c
 696 {
 697 public:
 698     dvd_command_interpretor_c( demux_sys_t & demuxer )
 699     :sys( demuxer )
 700     {
 701         memset( p_PRMs, 0, sizeof(p_PRMs) );
 702         p_PRMs[ 0x80 + 1 ] = 15;
 703         p_PRMs[ 0x80 + 2 ] = 62;
 704         p_PRMs[ 0x80 + 3 ] = 1;
 705         p_PRMs[ 0x80 + 4 ] = 1;
 706         p_PRMs[ 0x80 + 7 ] = 1;
 707         p_PRMs[ 0x80 + 8 ] = 1;
 708         p_PRMs[ 0x80 + 16 ] = 0xFFFFu;
 709         p_PRMs[ 0x80 + 18 ] = 0xFFFFu;
 710     }
 711
 712     bool Interpret( const binary * p_command, size_t i_size = 8 );
 713
 714     uint16 GetPRM( size_t index ) const
 715     {
 716         if ( index < 256 )
 717             return p_PRMs[ index ];
 718         else return 0;
 719     }
 720
 721     uint16 GetGPRM( size_t index ) const
 722     {
 723         if ( index >= 0 && index < 16 )
 724             return p_PRMs[ index ];
 725         else return 0;
 726     }
 727
 728     uint16 GetSPRM( size_t index ) const
 729     {
 730         // 21,22,23 reserved for future use
 731         if ( index >= 0x80 && index < 0x95 )
 732             return p_PRMs[ index ];
 733         else return 0;
 734     }
 735
 736     bool SetPRM( size_t index, uint16 value )
 737     {
 738         if ( index >= 0 && index < 16 )
 739         {
 740             p_PRMs[ index ] = value;
 741             return true;
 742         }
 743         return false;
 744     }
 745
 746     bool SetGPRM( size_t index, uint16 value )
 747     {
 748         if ( index >= 0 && index < 16 )
 749         {
 750             p_PRMs[ index ] = value;
 751             return true;
 752         }
 753         return false;
 754     }
 755
 756     bool SetSPRM( size_t index, uint16 value )
 757     {
 758         if ( index > 0x80 && index <= 0x8D && index != 0x8C )
 759         {
 760             p_PRMs[ index ] = value;
 761             return true;
 762         }
 763         return false;
 764     }
 765
 766 protected:
 767     std::string GetRegTypeName( bool b_value, uint16 value ) const
 768     {
 769         std::string result;
 770         char s_value[6], s_reg_value[6];
 771         sprintf( s_value, "%.5d", value );
 772
 773         if ( b_value )
 774         {
 775             result = "value (";
 776             result += s_value;
 777             result += ")";
 778         }
 779         else if ( value < 0x80 )
 780         {
 781             sprintf( s_reg_value, "%.5d", GetPRM( value ) );
 782             result = "GPreg[";
 783             result += s_value;
 784             result += "] (";
 785             result += s_reg_value;
 786             result += ")";
 787         }
 788         else
 789         {
 790             sprintf( s_reg_value, "%.5d", GetPRM( value ) );
 791             result = "SPreg[";
 792             result += s_value;
 793             result += "] (";
 794             result += s_reg_value;
 795             result += ")";
 796         }
 797         return result;
 798     }
 799
 800     uint16       p_PRMs[256];
 801     demux_sys_t  & sys;
 802
 803     // DVD command IDs
 804
 805     // Tests
 806     // wether it's a comparison on the value or register
 807     static const uint16 CMD_DVD_TEST_VALUE          = 0x80;
 808     static const uint16 CMD_DVD_IF_GPREG_AND        = (1 << 4);
 809     static const uint16 CMD_DVD_IF_GPREG_EQUAL      = (2 << 4);
 810     static const uint16 CMD_DVD_IF_GPREG_NOT_EQUAL  = (3 << 4);
 811     static const uint16 CMD_DVD_IF_GPREG_SUP_EQUAL  = (4 << 4);
 812     static const uint16 CMD_DVD_IF_GPREG_SUP        = (5 << 4);
 813     static const uint16 CMD_DVD_IF_GPREG_INF_EQUAL  = (6 << 4);
 814     static const uint16 CMD_DVD_IF_GPREG_INF        = (7 << 4);
 815
 816     static const uint16 CMD_DVD_NOP                    = 0x0000;
 817     static const uint16 CMD_DVD_GOTO_LINE              = 0x0001;
 818     static const uint16 CMD_DVD_BREAK                  = 0x0002;
 819     // Links
 820     static const uint16 CMD_DVD_NOP2                   = 0x2001;
 821     static const uint16 CMD_DVD_LINKPGCN               = 0x2004;
 822     static const uint16 CMD_DVD_LINKPGN                = 0x2006;
 823     static const uint16 CMD_DVD_LINKCN                 = 0x2007;
 824     static const uint16 CMD_DVD_JUMP_TT                = 0x3002;
 825     static const uint16 CMD_DVD_JUMPVTS_TT             = 0x3003;
 826     static const uint16 CMD_DVD_JUMPVTS_PTT            = 0x3005;
 827     static const uint16 CMD_DVD_JUMP_SS                = 0x3006;
 828     static const uint16 CMD_DVD_CALLSS_VTSM1           = 0x3008;
 829     //
 830     static const uint16 CMD_DVD_SET_HL_BTNN2           = 0x4600;
 831     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN1  = 0x4604;
 832     static const uint16 CMD_DVD_SET_STREAM             = 0x5100;
 833     static const uint16 CMD_DVD_SET_GPRMMD             = 0x5300;
 834     static const uint16 CMD_DVD_SET_HL_BTNN1           = 0x5600;
 835     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN2  = 0x5604;
 836     static const uint16 CMD_DVD_SET_HL_BTNN_LINKCN     = 0x5607;
 837     // Operations
 838     static const uint16 CMD_DVD_MOV_SPREG_PREG         = 0x6100;
 839     static const uint16 CMD_DVD_GPREG_MOV_VALUE        = 0x7100;
 840     static const uint16 CMD_DVD_SUB_GPREG              = 0x7400;
 841     static const uint16 CMD_DVD_MULT_GPREG             = 0x7500;
 842     static const uint16 CMD_DVD_GPREG_DIV_VALUE        = 0x7600;
 843     static const uint16 CMD_DVD_GPREG_AND_VALUE        = 0x7900;
 844
 845     // callbacks when browsing inside CodecPrivate
 846     static bool MatchIsDomain     ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 847     static bool MatchIsVMG        ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 848     static bool MatchVTSNumber    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 849     static bool MatchVTSMNumber   ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 850     static bool MatchTitleNumber  ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 851     static bool MatchPgcType      ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 852     static bool MatchPgcNumber    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 853     static bool MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 854     static bool MatchCellNumber   ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 855 };
 856
 857 class dvd_chapter_codec_c : public chapter_codec_cmds_c
 858 {
 859 public:
 860     dvd_chapter_codec_c( demux_sys_t & sys )
 861     :chapter_codec_cmds_c( sys, 1 )
 862     {}
 863
 864     bool Enter();
 865     bool Leave();
 866     std::string GetCodecName( bool f_for_title = false ) const;
 867     int16 GetTitleNumber();
 868 };
 869
 870 class matroska_script_interpretor_c
 871 {
 872 public:
 873     matroska_script_interpretor_c( demux_sys_t & demuxer )
 874     :sys( demuxer )
 875     {}
 876
 877     bool Interpret( const binary * p_command, size_t i_size );
 878
 879     // DVD command IDs
 880     static const std::string CMD_MS_GOTO_AND_PLAY;
 881
 882 protected:
 883     demux_sys_t  & sys;
 884 };
 885
 886 const std::string matroska_script_interpretor_c::CMD_MS_GOTO_AND_PLAY = "GotoAndPlay";
 887
 888
 889 class matroska_script_codec_c : public chapter_codec_cmds_c
 890 {
 891 public:
 892     matroska_script_codec_c( demux_sys_t & sys )
 893     :chapter_codec_cmds_c( sys, 0 )
 894     ,interpretor( sys )
 895     {}
 896
 897     bool Enter();
 898     bool Leave();
 899
 900 protected:
 901     matroska_script_interpretor_c interpretor;
 902 };
 903
 904 class chapter_translation_c
 905 {
 906 public:
 907     chapter_translation_c()
 908         :p_translated(NULL)
 909     {}
 910
 911     ~chapter_translation_c()
 912     {
 913         delete p_translated;
 914     }
 915
 916     KaxChapterTranslateID  *p_translated;
 917     unsigned int           codec_id;
 918     std::vector<uint64_t>  editions;
 919 };
 920
 921 class chapter_item_c
 922 {
 923 public:
 924     chapter_item_c()
 925     :i_start_time(0)
 926     ,i_end_time(-1)
 927     ,i_user_start_time(-1)
 928     ,i_user_end_time(-1)
 929     ,i_seekpoint_num(-1)
 930     ,b_display_seekpoint(true)
 931     ,b_user_display(false)
 932     ,psz_parent(NULL)
 933     ,b_is_leaving(false)
 934     {}
 935
 936     virtual ~chapter_item_c()
 937     {
 938         std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
 939         while ( index != codecs.end() )
 940         {
 941             delete (*index);
 942             index++;
 943         }
 944         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
 945         while ( index_ != sub_chapters.end() )
 946         {
 947             delete (*index_);
 948             index_++;
 949         }
 950     }
 951
 952     int64_t RefreshChapters( bool b_ordered, int64_t i_prev_user_time );
 953     int PublishChapters( input_title_t & title, int & i_user_chapters, int i_level = 0 );
 954     virtual chapter_item_c * FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current, bool & b_found );
 955     void Append( const chapter_item_c & edition );
 956     chapter_item_c * FindChapter( int64_t i_find_uid );
 957     virtual chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
 958                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
 959                                     const void *p_cookie,
 960                                     size_t i_cookie_size );
 961     std::string                 GetCodecName( bool f_for_title = false ) const;
 962     bool                        ParentOf( const chapter_item_c & item ) const;
 963     int16                       GetTitleNumber( ) const;
 964
 965     int64_t                     i_start_time, i_end_time;
 966     int64_t                     i_user_start_time, i_user_end_time; /* the time in the stream when an edition is ordered */
 967     std::vector<chapter_item_c*> sub_chapters;
 968     int                         i_seekpoint_num;
 969     int64_t                     i_uid;
 970     bool                        b_display_seekpoint;
 971     bool                        b_user_display;
 972     std::string                 psz_name;
 973     chapter_item_c              *psz_parent;
 974     bool                        b_is_leaving;
 975
 976     std::vector<chapter_codec_cmds_c*> codecs;
 977
 978     static bool CompareTimecode( const chapter_item_c * itemA, const chapter_item_c * itemB )
 979     {
 980         return ( itemA->i_user_start_time < itemB->i_user_start_time || (itemA->i_user_start_time == itemB->i_user_start_time && itemA->i_user_end_time < itemB->i_user_end_time) );
 981     }
 982
 983     bool Enter( bool b_do_subchapters );
 984     bool Leave( bool b_do_subchapters );
 985     bool EnterAndLeave( chapter_item_c *p_item, bool b_enter = true );
 986 };
 987
 988 class chapter_edition_c : public chapter_item_c
 989 {
 990 public:
 991     chapter_edition_c()
 992     :b_ordered(false)
 993     {}
 994
 995     void RefreshChapters( );
 996     mtime_t Duration() const;
 997     std::string GetMainName() const;
 998     chapter_item_c * FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current );
 999
1000     bool                        b_ordered;
1001 };
1002
1003 class matroska_segment_c
1004 {
1005 public:
1006     matroska_segment_c( demux_sys_t & demuxer, EbmlStream & estream )
1007         :segment(NULL)
1008         ,es(estream)
1009         ,i_timescale(MKVD_TIMECODESCALE)
1010         ,i_duration(-1)
1011         ,i_start_time(0)
1012         ,i_cues_position(-1)
1013         ,i_chapters_position(-1)
1014         ,i_tags_position(-1)
1015         ,cluster(NULL)
1016         ,i_block_pos(0)
1017         ,i_cluster_pos(0)
1018         ,i_start_pos(0)
1019         ,p_segment_uid(NULL)
1020         ,p_prev_segment_uid(NULL)
1021         ,p_next_segment_uid(NULL)
1022         ,b_cues(VLC_FALSE)
1023         ,i_index(0)
1024         ,i_index_max(1024)
1025         ,psz_muxing_application(NULL)
1026         ,psz_writing_application(NULL)
1027         ,psz_segment_filename(NULL)
1028         ,psz_title(NULL)
1029         ,psz_date_utc(NULL)
1030         ,i_default_edition(0)
1031         ,sys(demuxer)
1032         ,ep(NULL)
1033         ,b_preloaded(false)
1034     {
1035         p_indexes = (mkv_index_t*)malloc( sizeof( mkv_index_t ) * i_index_max );
1036     }
1037
1038     virtual ~matroska_segment_c()
1039     {
1040         for( size_t i_track = 0; i_track < tracks.size(); i_track++ )
1041         {
1042             if ( tracks[i_track]->p_compression_data )
1043             {
1044                 delete tracks[i_track]->p_compression_data;
1045             }
1046             es_format_Clean( &tracks[i_track]->fmt );
1047             if( tracks[i_track]->p_extra_data )
1048                 free( tracks[i_track]->p_extra_data );
1049             if( tracks[i_track]->psz_codec )
1050                 free( tracks[i_track]->psz_codec );
1051             delete tracks[i_track];
1052         }
1053
1054         if( psz_writing_application )
1055         {
1056             free( psz_writing_application );
1057         }
1058         if( psz_muxing_application )
1059         {
1060             free( psz_muxing_application );
1061         }
1062         if( psz_segment_filename )
1063         {
1064             free( psz_segment_filename );
1065         }
1066         if( psz_title )
1067         {
1068             free( psz_title );
1069         }
1070         if( psz_date_utc )
1071         {
1072             free( psz_date_utc );
1073         }
1074         if ( p_indexes )
1075             free( p_indexes );
1076
1077         delete ep;
1078         delete segment;
1079         delete p_segment_uid;
1080         delete p_prev_segment_uid;
1081         delete p_next_segment_uid;
1082
1083         std::vector<chapter_edition_c*>::iterator index = stored_editions.begin();
1084         while ( index != stored_editions.end() )
1085         {
1086             delete (*index);
1087             index++;
1088         }
1089         std::vector<chapter_translation_c*>::iterator indext = translations.begin();
1090         while ( indext != translations.end() )
1091         {
1092             delete (*indext);
1093             indext++;
1094         }
1095         std::vector<KaxSegmentFamily*>::iterator indexf = families.begin();
1096         while ( indexf != families.end() )
1097         {
1098             delete (*indexf);
1099             indexf++;
1100         }
1101     }
1102
1103     KaxSegment              *segment;
1104     EbmlStream              & es;
1105
1106     /* time scale */
1107     uint64_t                i_timescale;
1108
1109     /* duration of the segment */
1110     mtime_t                 i_duration;
1111     mtime_t                 i_start_time;
1112
1113     /* all tracks */
1114     std::vector<mkv_track_t*> tracks;
1115
1116     /* from seekhead */
1117     int64_t                 i_cues_position;
1118     int64_t                 i_chapters_position;
1119     int64_t                 i_tags_position;
1120
1121     KaxCluster              *cluster;
1122     uint64                  i_block_pos;
1123     uint64                  i_cluster_pos;
1124     int64_t                 i_start_pos;
1125     KaxSegmentUID           *p_segment_uid;
1126     KaxPrevUID              *p_prev_segment_uid;
1127     KaxNextUID              *p_next_segment_uid;
1128
1129     vlc_bool_t              b_cues;
1130     int                     i_index;
1131     int                     i_index_max;
1132     mkv_index_t             *p_indexes;
1133
1134     /* info */
1135     char                    *psz_muxing_application;
1136     char                    *psz_writing_application;
1137     char                    *psz_segment_filename;
1138     char                    *psz_title;
1139     char                    *psz_date_utc;
1140
1141     /* !!!!! GCC 3.3 bug on Darwin !!!!! */
1142     /* when you remove this variable the compiler issues an atomicity error */
1143     /* this variable only works when using std::vector<chapter_edition_c> */
1144     std::vector<chapter_edition_c*> stored_editions;
1145     int                             i_default_edition;
1146
1147     std::vector<chapter_translation_c*> translations;
1148     std::vector<KaxSegmentFamily*>  families;
1149
1150     demux_sys_t                    & sys;
1151     EbmlParser                     *ep;
1152     bool                           b_preloaded;
1153
1154     bool Preload( );
1155     bool PreloadFamily( const matroska_segment_c & segment );
1156     void ParseInfo( KaxInfo *info );
1157     void ParseAttachments( KaxAttachments *attachments );
1158     void ParseChapters( KaxChapters *chapters );
1159     void ParseSeekHead( KaxSeekHead *seekhead );
1160     void ParseTracks( KaxTracks *tracks );
1161     void ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters );
1162     void ParseTrackEntry( KaxTrackEntry *m );
1163     void ParseCluster( );
1164     void IndexAppendCluster( KaxCluster *cluster );
1165     void LoadCues( );
1166     void LoadTags( );
1167     void InformationCreate( );
1168     void Seek( mtime_t i_date, mtime_t i_time_offset );
1169 #if LIBMATROSKA_VERSION >= 0x000800
1170     int BlockGet( KaxBlock * &, KaxSimpleBlock * &, int64_t *, int64_t *, int64_t *);
1171 #else
1172     int BlockGet( KaxBlock * &, int64_t *, int64_t *, int64_t *);
1173 #endif
1174     bool Select( mtime_t i_start_time );
1175     void UnSelect( );
1176
1177     static bool CompareSegmentUIDs( const matroska_segment_c * item_a, const matroska_segment_c * item_b );
1178 };
1179
1180 // class holding hard-linked segment together in the playback order
1181 class virtual_segment_c
1182 {
1183 public:
1184     virtual_segment_c( matroska_segment_c *p_segment )
1185         :p_editions(NULL)
1186         ,i_sys_title(0)
1187         ,i_current_segment(0)
1188         ,i_current_edition(-1)
1189         ,psz_current_chapter(NULL)
1190     {
1191         linked_segments.push_back( p_segment );
1192
1193         AppendUID( p_segment->p_segment_uid );
1194         AppendUID( p_segment->p_prev_segment_uid );
1195         AppendUID( p_segment->p_next_segment_uid );
1196     }
1197
1198     void Sort();
1199     size_t AddSegment( matroska_segment_c *p_segment );
1200     void PreloadLinked( );
1201     mtime_t Duration( ) const;
1202     void LoadCues( );
1203     void Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter );
1204
1205     inline chapter_edition_c *Edition()
1206     {
1207         if ( i_current_edition >= 0 && size_t(i_current_edition) < p_editions->size() )
1208             return (*p_editions)[i_current_edition];
1209         return NULL;
1210     }
1211
1212     matroska_segment_c * Segment() const
1213     {
1214         if ( linked_segments.size() == 0 || i_current_segment >= linked_segments.size() )
1215             return NULL;
1216         return linked_segments[i_current_segment];
1217     }
1218
1219     inline chapter_item_c *CurrentChapter() {
1220         return psz_current_chapter;
1221     }
1222
1223     bool SelectNext()
1224     {
1225         if ( i_current_segment < linked_segments.size()-1 )
1226         {
1227             i_current_segment++;
1228             return true;
1229         }
1230         return false;
1231     }
1232
1233     bool FindUID( KaxSegmentUID & uid ) const
1234     {
1235         for ( size_t i=0; i<linked_uids.size(); i++ )
1236         {
1237             if ( linked_uids[i] == uid )
1238                 return true;
1239         }
1240         return false;
1241     }
1242
1243     bool UpdateCurrentToChapter( demux_t & demux );
1244     void PrepareChapters( );
1245
1246     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
1247                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
1248                                         const void *p_cookie,
1249                                         size_t i_cookie_size );
1250     chapter_item_c *FindChapter( int64_t i_find_uid );
1251
1252     std::vector<chapter_edition_c*>  *p_editions;
1253     int                              i_sys_title;
1254
1255 protected:
1256     std::vector<matroska_segment_c*> linked_segments;
1257     std::vector<KaxSegmentUID>       linked_uids;
1258     size_t                           i_current_segment;
1259
1260     int                              i_current_edition;
1261     chapter_item_c                   *psz_current_chapter;
1262
1263     void                             AppendUID( const EbmlBinary * UID );
1264 };
1265
1266 class matroska_stream_c
1267 {
1268 public:
1269     matroska_stream_c( demux_sys_t & demuxer )
1270         :p_in(NULL)
1271         ,p_es(NULL)
1272         ,sys(demuxer)
1273     {}
1274
1275     virtual ~matroska_stream_c()
1276     {
1277         delete p_in;
1278         delete p_es;
1279     }
1280
1281     IOCallback         *p_in;
1282     EbmlStream         *p_es;
1283
1284     std::vector<matroska_segment_c*> segments;
1285
1286     demux_sys_t                      & sys;
1287 };
1288
1289 typedef struct
1290 {
1291     VLC_COMMON_MEMBERS
1292
1293     demux_t        *p_demux;
1294     vlc_mutex_t     lock;
1295
1296     vlc_bool_t      b_moved;
1297     vlc_bool_t      b_clicked;
1298     vlc_bool_t      b_key;
1299
1300 } event_thread_t;
1301
1302
1303 class attachment_c
1304 {
1305 public:
1306     attachment_c()
1307         :p_data(NULL)
1308         ,i_size(0)
1309     {}
1310     virtual ~attachment_c()
1311     {
1312         if( p_data ) free( p_data );
1313     }
1314
1315     std::string    psz_file_name;
1316     std::string    psz_mime_type;
1317     void          *p_data;
1318     int            i_size;
1319 };
1320
1321 class demux_sys_t
1322 {
1323 public:
1324     demux_sys_t( demux_t & demux )
1325         :demuxer(demux)
1326         ,i_pts(0)
1327         ,i_start_pts(0)
1328         ,i_chapter_time(0)
1329         ,meta(NULL)
1330         ,i_current_title(0)
1331         ,p_current_segment(NULL)
1332         ,dvd_interpretor( *this )
1333         ,f_duration(-1.0)
1334         ,b_ui_hooked(false)
1335         ,p_input(NULL)
1336         ,b_pci_packet_set(false)
1337         ,p_ev(NULL)
1338     {
1339         vlc_mutex_init( &demuxer, &lock_demuxer );
1340     }
1341
1342     virtual ~demux_sys_t()
1343     {
1344         StopUiThread();
1345         size_t i;
1346         for ( i=0; i<streams.size(); i++ )
1347             delete streams[i];
1348         for ( i=0; i<opened_segments.size(); i++ )
1349             delete opened_segments[i];
1350         for ( i=0; i<used_segments.size(); i++ )
1351             delete used_segments[i];
1352         for ( i=0; i<stored_attachments.size(); i++ )
1353             delete stored_attachments[i];
1354         if( meta ) vlc_meta_Delete( meta );
1355
1356         while( titles.size() )
1357         { vlc_input_title_Delete( titles.back() ); titles.pop_back();}
1358
1359         vlc_mutex_destroy( &lock_demuxer );
1360     }
1361
1362     /* current data */
1363     demux_t                 & demuxer;
1364
1365     mtime_t                 i_pts;
1366     mtime_t                 i_start_pts;
1367     mtime_t                 i_chapter_time;
1368
1369     vlc_meta_t              *meta;
1370
1371     std::vector<input_title_t*>      titles; // matroska editions
1372     size_t                           i_current_title;
1373
1374     std::vector<matroska_stream_c*>  streams;
1375     std::vector<attachment_c*>       stored_attachments;
1376     std::vector<matroska_segment_c*> opened_segments;
1377     std::vector<virtual_segment_c*>  used_segments;
1378     virtual_segment_c                *p_current_segment;
1379
1380     dvd_command_interpretor_c        dvd_interpretor;
1381
1382     /* duration of the stream */
1383     float                   f_duration;
1384
1385     matroska_segment_c *FindSegment( const EbmlBinary & uid ) const;
1386     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
1387                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
1388                                         const void *p_cookie,
1389                                         size_t i_cookie_size,
1390                                         virtual_segment_c * & p_segment_found );
1391     chapter_item_c *FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found );
1392
1393     void PreloadFamily( const matroska_segment_c & of_segment );
1394     void PreloadLinked( matroska_segment_c *p_segment );
1395     bool PreparePlayback( virtual_segment_c *p_new_segment );
1396     matroska_stream_c *AnalyseAllSegmentsFound( demux_t *p_demux, EbmlStream *p_estream, bool b_initial = false );
1397     void JumpTo( virtual_segment_c & p_segment, chapter_item_c * p_chapter );
1398
1399     void StartUiThread();
1400     void StopUiThread();
1401     bool b_ui_hooked;
1402     inline void SwapButtons();
1403
1404     /* for spu variables */
1405     input_thread_t *p_input;
1406     pci_t          pci_packet;
1407     bool           b_pci_packet_set;
1408     uint8_t        palette[4][4];
1409     vlc_mutex_t    lock_demuxer;
1410
1411     /* event */
1412     event_thread_t *p_ev;
1413     static int EventThread( vlc_object_t *p_this );
1414     static int EventMouse( vlc_object_t *p_this, char const *psz_var,
1415                        vlc_value_t oldval, vlc_value_t newval, void *p_data );
1416     static int EventKey( vlc_object_t *p_this, char const *psz_var,
1417                      vlc_value_t oldval, vlc_value_t newval, void *p_data );
1418
1419
1420
1421 protected:
1422     virtual_segment_c *VirtualFromSegments( matroska_segment_c *p_segment ) const;
1423     bool IsUsedSegment( matroska_segment_c &p_segment ) const;
1424 };
1425
1426 static int  Demux  ( demux_t * );
1427 static int  Control( demux_t *, int, va_list );
1428 static void Seek   ( demux_t *, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter );
1429
1430 #define MKV_IS_ID( el, C ) ( EbmlId( (*el) ) == C::ClassInfos.GlobalId )
1431
1432 static inline char * ToUTF8( const UTFstring &u )
1433 {
1434     return strdup( u.GetUTF8().c_str() );
1435 }
1436
1437 /*****************************************************************************
1438  * Open: initializes matroska demux structures
1439  *****************************************************************************/
1440 static int Open( vlc_object_t * p_this )
1441 {
1442     demux_t            *p_demux = (demux_t*)p_this;
1443     demux_sys_t        *p_sys;
1444     matroska_stream_c  *p_stream;
1445     matroska_segment_c *p_segment;
1446     const uint8_t      *p_peek;
1447     std::string         s_path, s_filename;
1448     vlc_stream_io_callback *p_io_callback;
1449     EbmlStream         *p_io_stream;
1450
1451     /* peek the begining */
1452     if( stream_Peek( p_demux->s, &p_peek, 4 ) < 4 ) return VLC_EGENERIC;
1453
1454     /* is a valid file */
1455     if( p_peek[0] != 0x1a || p_peek[1] != 0x45 ||
1456         p_peek[2] != 0xdf || p_peek[3] != 0xa3 ) return VLC_EGENERIC;
1457
1458     /* Set the demux function */
1459     p_demux->pf_demux   = Demux;
1460     p_demux->pf_control = Control;
1461     p_demux->p_sys      = p_sys = new demux_sys_t( *p_demux );
1462
1463     p_io_callback = new vlc_stream_io_callback( p_demux->s, VLC_FALSE );
1464     p_io_stream = new EbmlStream( *p_io_callback );
1465
1466     if( p_io_stream == NULL )
1467     {
1468         msg_Err( p_demux, "failed to create EbmlStream" );
1469         delete p_io_callback;
1470         delete p_sys;
1471         return VLC_EGENERIC;
1472     }
1473
1474     p_stream = p_sys->AnalyseAllSegmentsFound( p_demux, p_io_stream, true );
1475     if( p_stream == NULL )
1476     {
1477         msg_Err( p_demux, "cannot find KaxSegment" );
1478         goto error;
1479     }
1480     p_sys->streams.push_back( p_stream );
1481
1482     p_stream->p_in = p_io_callback;
1483     p_stream->p_es = p_io_stream;
1484
1485     for (size_t i=0; i<p_stream->segments.size(); i++)
1486     {
1487         p_stream->segments[i]->Preload();
1488     }
1489
1490     p_segment = p_stream->segments[0];
1491     if( p_segment->cluster != NULL )
1492     {
1493         msg_Warn( p_demux, "cannot find any cluster, damaged file ?" );
1494
1495         // reset the stream reading to the first cluster of the segment used
1496         p_stream->p_in->setFilePointer( p_segment->cluster->GetElementPosition() );
1497     }
1498
1499     if (config_GetInt( p_demux, "mkv-preload-local-dir" ))
1500     {
1501         /* get the files from the same dir from the same family (based on p_demux->psz_path) */
1502         if (p_demux->psz_path[0] != '\0' && !strcmp(p_demux->psz_access, ""))
1503         {
1504             // assume it's a regular file
1505             // get the directory path
1506             s_path = p_demux->psz_path;
1507             if (s_path.at(s_path.length() - 1) == DIRECTORY_SEPARATOR)
1508             {
1509                 s_path = s_path.substr(0,s_path.length()-1);
1510             }
1511             else
1512             {
1513                 if (s_path.find_last_of(DIRECTORY_SEPARATOR) > 0)
1514                 {
1515                     s_path = s_path.substr(0,s_path.find_last_of(DIRECTORY_SEPARATOR));
1516                 }
1517             }
1518
1519             DIR *p_src_dir = utf8_opendir(s_path.c_str());
1520
1521             if (p_src_dir != NULL)
1522             {
1523                 char *psz_file;
1524                 while ((psz_file = utf8_readdir(p_src_dir)) != NULL)
1525                 {
1526                     if (strlen(psz_file) > 4)
1527                     {
1528                         s_filename = s_path + DIRECTORY_SEPARATOR + psz_file;
1529
1530 #ifdef WIN32
1531                         if (!strcasecmp(s_filename.c_str(), p_demux->psz_path))
1532 #else
1533                         if (!s_filename.compare(p_demux->psz_path))
1534 #endif
1535                         {
1536                             free (psz_file);
1537                             continue; // don't reuse the original opened file
1538                         }
1539
1540 #if defined(__GNUC__) && (__GNUC__ < 3)
1541                         if (!s_filename.compare("mkv", s_filename.length() - 3, 3) ||
1542                             !s_filename.compare("mka", s_filename.length() - 3, 3))
1543 #else
1544                         if (!s_filename.compare(s_filename.length() - 3, 3, "mkv") ||
1545                             !s_filename.compare(s_filename.length() - 3, 3, "mka"))
1546 #endif
1547                         {
1548                             // test wether this file belongs to our family
1549                             const uint8_t *p_peek;
1550                             bool          file_ok = false;
1551                             stream_t      *p_file_stream = stream_UrlNew(
1552                                                             p_demux,
1553                                                             s_filename.c_str());
1554                             /* peek the begining */
1555                             if( p_file_stream &&
1556                                 stream_Peek( p_file_stream, &p_peek, 4 ) >= 4
1557                                 && p_peek[0] == 0x1a && p_peek[1] == 0x45 &&
1558                                 p_peek[2] == 0xdf && p_peek[3] == 0xa3 ) file_ok = true;
1559
1560                             if ( file_ok )
1561                             {
1562                                 vlc_stream_io_callback *p_file_io = new vlc_stream_io_callback( p_file_stream, VLC_TRUE );
1563                                 EbmlStream *p_estream = new EbmlStream(*p_file_io);
1564
1565                                 p_stream = p_sys->AnalyseAllSegmentsFound( p_demux, p_estream );
1566
1567                                 if ( p_stream == NULL )
1568                                 {
1569                                     msg_Dbg( p_demux, "the file '%s' will not be used", s_filename.c_str() );
1570                                     delete p_estream;
1571                                     delete p_file_io;
1572                                 }
1573                                 else
1574                                 {
1575                                     p_stream->p_in = p_file_io;
1576                                     p_stream->p_es = p_estream;
1577                                     p_sys->streams.push_back( p_stream );
1578                                 }
1579                             }
1580                             else
1581                             {
1582                                 if( p_file_stream ) {
1583                                     stream_Delete( p_file_stream );
1584                                 }
1585                                 msg_Dbg( p_demux, "the file '%s' cannot be opened", s_filename.c_str() );
1586                             }
1587                         }
1588                     }
1589                     free (psz_file);
1590                 }
1591                 closedir( p_src_dir );
1592             }
1593         }
1594
1595         p_sys->PreloadFamily( *p_segment );
1596     }
1597
1598     p_sys->PreloadLinked( p_segment );
1599
1600     if ( !p_sys->PreparePlayback( NULL ) )
1601     {
1602         msg_Err( p_demux, "cannot use the segment" );
1603         goto error;
1604     }
1605
1606     p_sys->StartUiThread();
1607
1608     return VLC_SUCCESS;
1609
1610 error:
1611     delete p_sys;
1612     return VLC_EGENERIC;
1613 }
1614
1615 /*****************************************************************************
1616  * Close: frees unused data
1617  *****************************************************************************/
1618 static void Close( vlc_object_t *p_this )
1619 {
1620     demux_t     *p_demux = (demux_t*)p_this;
1621     demux_sys_t *p_sys   = p_demux->p_sys;
1622
1623     delete p_sys;
1624 }
1625
1626 /*****************************************************************************
1627  * Control:
1628  *****************************************************************************/
1629 static int Control( demux_t *p_demux, int i_query, va_list args )
1630 {
1631     demux_sys_t        *p_sys = p_demux->p_sys;
1632     int64_t     *pi64;
1633     double      *pf, f;
1634     int         i_skp;
1635     size_t      i_idx;
1636
1637     vlc_meta_t *p_meta;
1638     input_attachment_t ***ppp_attach;
1639     int *pi_int;
1640     int i;
1641
1642     switch( i_query )
1643     {
1644         case DEMUX_GET_ATTACHMENTS:
1645             ppp_attach = (input_attachment_t***)va_arg( args, input_attachment_t*** );
1646             pi_int = (int*)va_arg( args, int * );
1647
1648             if( p_sys->stored_attachments.size() <= 0 )
1649                 return VLC_EGENERIC;
1650
1651             *pi_int = p_sys->stored_attachments.size();
1652             *ppp_attach = (input_attachment_t**)malloc( sizeof(input_attachment_t**) *
1653                                                         p_sys->stored_attachments.size() );
1654             if( !(*ppp_attach) )
1655                 return VLC_ENOMEM;
1656             for( i = 0; i < p_sys->stored_attachments.size(); i++ )
1657             {
1658                 attachment_c *a = p_sys->stored_attachments[i];
1659                 (*ppp_attach)[i] = vlc_input_attachment_New( a->psz_file_name.c_str(), a->psz_mime_type.c_str(), NULL,
1660                                                              a->p_data, a->i_size );
1661             }
1662             return VLC_SUCCESS;
1663
1664         case DEMUX_GET_META:
1665             p_meta = (vlc_meta_t*)va_arg( args, vlc_meta_t* );
1666             vlc_meta_Merge( p_meta, p_sys->meta );
1667             return VLC_SUCCESS;
1668
1669         case DEMUX_GET_LENGTH:
1670             pi64 = (int64_t*)va_arg( args, int64_t * );
1671             if( p_sys->f_duration > 0.0 )
1672             {
1673                 *pi64 = (int64_t)(p_sys->f_duration * 1000);
1674                 return VLC_SUCCESS;
1675             }
1676             return VLC_EGENERIC;
1677
1678         case DEMUX_GET_POSITION:
1679             pf = (double*)va_arg( args, double * );
1680             if ( p_sys->f_duration > 0.0 )
1681                 *pf = (double)(p_sys->i_pts >= p_sys->i_start_pts ? p_sys->i_pts : p_sys->i_start_pts ) / (1000.0 * p_sys->f_duration);
1682             return VLC_SUCCESS;
1683
1684         case DEMUX_SET_POSITION:
1685             f = (double)va_arg( args, double );
1686             Seek( p_demux, -1, f, NULL );
1687             return VLC_SUCCESS;
1688
1689         case DEMUX_GET_TIME:
1690             pi64 = (int64_t*)va_arg( args, int64_t * );
1691             *pi64 = p_sys->i_pts;
1692             return VLC_SUCCESS;
1693
1694         case DEMUX_GET_TITLE_INFO:
1695             if( p_sys->titles.size() )
1696             {
1697                 input_title_t ***ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
1698                 int *pi_int    = (int*)va_arg( args, int* );
1699
1700                 *pi_int = p_sys->titles.size();
1701                 *ppp_title = (input_title_t**)malloc( sizeof( input_title_t**) * p_sys->titles.size() );
1702
1703                 for( size_t i = 0; i < p_sys->titles.size(); i++ )
1704                 {
1705                     (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->titles[i] );
1706                 }
1707
1708                 return VLC_SUCCESS;
1709             }
1710             return VLC_EGENERIC;
1711
1712         case DEMUX_SET_TITLE:
1713             /* TODO handle editions as titles */
1714             i_idx = (int)va_arg( args, int );
1715             if( i_idx < p_sys->used_segments.size() )
1716             {
1717                 p_sys->JumpTo( *p_sys->used_segments[i_idx], NULL );
1718                 return VLC_SUCCESS;
1719             }
1720             return VLC_EGENERIC;
1721
1722         case DEMUX_SET_SEEKPOINT:
1723             i_skp = (int)va_arg( args, int );
1724
1725             // TODO change the way it works with the << & >> buttons on the UI (+1/-1 instead of a number)
1726             if( p_sys->titles.size() && i_skp < p_sys->titles[p_sys->i_current_title]->i_seekpoint)
1727             {
1728                 Seek( p_demux, (int64_t)p_sys->titles[p_sys->i_current_title]->seekpoint[i_skp]->i_time_offset, -1, NULL);
1729                 p_demux->info.i_seekpoint |= INPUT_UPDATE_SEEKPOINT;
1730                 p_demux->info.i_seekpoint = i_skp;
1731                 return VLC_SUCCESS;
1732             }
1733             return VLC_EGENERIC;
1734
1735         case DEMUX_SET_TIME:
1736         case DEMUX_GET_FPS:
1737         default:
1738             return VLC_EGENERIC;
1739     }
1740 }
1741
1742 #if LIBMATROSKA_VERSION >= 0x000800
1743 int matroska_segment_c::BlockGet( KaxBlock * & pp_block, KaxSimpleBlock * & pp_simpleblock, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration )
1744 #else
1745 int matroska_segment_c::BlockGet( KaxBlock * & pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration )
1746 #endif
1747 {
1748 #if LIBMATROSKA_VERSION >= 0x000800
1749     pp_simpleblock = NULL;
1750 #endif
1751     pp_block = NULL;
1752     *pi_ref1  = 0;
1753     *pi_ref2  = 0;
1754
1755     for( ;; )
1756     {
1757         EbmlElement *el = NULL;
1758         int         i_level;
1759
1760         if ( ep == NULL )
1761             return VLC_EGENERIC;
1762
1763 #if LIBMATROSKA_VERSION >= 0x000800
1764         if( pp_simpleblock != NULL || ((el = ep->Get()) == NULL && pp_block != NULL) )
1765 #else
1766         if( (el = ep->Get()) == NULL && pp_block != NULL )
1767 #endif
1768         {
1769             /* update the index */
1770 #define idx p_indexes[i_index - 1]
1771             if( i_index > 0 && idx.i_time == -1 )
1772             {
1773 #if LIBMATROSKA_VERSION >= 0x000800
1774                 if ( pp_simpleblock != NULL )
1775                     idx.i_time        = pp_simpleblock->GlobalTimecode() / (mtime_t)1000;
1776                 else
1777 #endif
1778                     idx.i_time        = (*pp_block).GlobalTimecode() / (mtime_t)1000;
1779                 idx.b_key         = *pi_ref1 == 0 ? VLC_TRUE : VLC_FALSE;
1780             }
1781 #undef idx
1782             return VLC_SUCCESS;
1783         }
1784
1785         i_level = ep->GetLevel();
1786
1787         if( el == NULL )
1788         {
1789             if( i_level > 1 )
1790             {
1791                 ep->Up();
1792                 continue;
1793             }
1794             msg_Warn( &sys.demuxer, "EOF" );
1795             return VLC_EGENERIC;
1796         }
1797
1798         /* do parsing */
1799         switch ( i_level )
1800         {
1801         case 1:
1802             if( MKV_IS_ID( el, KaxCluster ) )
1803             {
1804                 cluster = (KaxCluster*)el;
1805                 i_cluster_pos = cluster->GetElementPosition();
1806
1807                 /* add it to the index */
1808                 if( i_index == 0 ||
1809                     ( i_index > 0 && p_indexes[i_index - 1].i_position < (int64_t)cluster->GetElementPosition() ) )
1810                 {
1811                     IndexAppendCluster( cluster );
1812                 }
1813
1814                 // reset silent tracks
1815                 for (size_t i=0; i<tracks.size(); i++)
1816                 {
1817                     tracks[i]->b_silent = VLC_FALSE;
1818                 }
1819
1820                 ep->Down();
1821             }
1822             else if( MKV_IS_ID( el, KaxCues ) )
1823             {
1824                 msg_Warn( &sys.demuxer, "find KaxCues FIXME" );
1825                 return VLC_EGENERIC;
1826             }
1827             else
1828             {
1829                 msg_Dbg( &sys.demuxer, "unknown (%s)", typeid( el ).name() );
1830             }
1831             break;
1832         case 2:
1833             if( MKV_IS_ID( el, KaxClusterTimecode ) )
1834             {
1835                 KaxClusterTimecode &ctc = *(KaxClusterTimecode*)el;
1836
1837                 ctc.ReadData( es.I_O(), SCOPE_ALL_DATA );
1838                 cluster->InitTimecode( uint64( ctc ), i_timescale );
1839             }
1840             else if( MKV_IS_ID( el, KaxClusterSilentTracks ) )
1841             {
1842                 ep->Down();
1843             }
1844             else if( MKV_IS_ID( el, KaxBlockGroup ) )
1845             {
1846                 i_block_pos = el->GetElementPosition();
1847                 ep->Down();
1848             }
1849 #if LIBMATROSKA_VERSION >= 0x000800
1850             else if( MKV_IS_ID( el, KaxSimpleBlock ) )
1851             {
1852                 pp_simpleblock = (KaxSimpleBlock*)el;
1853
1854                 pp_simpleblock->ReadData( es.I_O() );
1855                 pp_simpleblock->SetParent( *cluster );
1856             }
1857 #endif
1858             break;
1859         case 3:
1860             if( MKV_IS_ID( el, KaxBlock ) )
1861             {
1862                 pp_block = (KaxBlock*)el;
1863
1864                 pp_block->ReadData( es.I_O() );
1865                 pp_block->SetParent( *cluster );
1866
1867                 ep->Keep();
1868             }
1869             else if( MKV_IS_ID( el, KaxBlockDuration ) )
1870             {
1871                 KaxBlockDuration &dur = *(KaxBlockDuration*)el;
1872
1873                 dur.ReadData( es.I_O() );
1874                 *pi_duration = uint64( dur );
1875             }
1876             else if( MKV_IS_ID( el, KaxReferenceBlock ) )
1877             {
1878                 KaxReferenceBlock &ref = *(KaxReferenceBlock*)el;
1879
1880                 ref.ReadData( es.I_O() );
1881                 if( *pi_ref1 == 0 )
1882                 {
1883                     *pi_ref1 = int64( ref ) * cluster->GlobalTimecodeScale();
1884                 }
1885                 else if( *pi_ref2 == 0 )
1886                 {
1887                     *pi_ref2 = int64( ref ) * cluster->GlobalTimecodeScale();
1888                 }
1889             }
1890             else if( MKV_IS_ID( el, KaxClusterSilentTrackNumber ) )
1891             {
1892                 KaxClusterSilentTrackNumber &track_num = *(KaxClusterSilentTrackNumber*)el;
1893                 track_num.ReadData( es.I_O() );
1894                 // find the track
1895                 for (size_t i=0; i<tracks.size(); i++)
1896                 {
1897                     if ( tracks[i]->i_number == uint32(track_num))
1898                     {
1899                         tracks[i]->b_silent = VLC_TRUE;
1900                         break;
1901                     }
1902                 }
1903             }
1904             break;
1905         default:
1906             msg_Err( &sys.demuxer, "invalid level = %d", i_level );
1907             return VLC_EGENERIC;
1908         }
1909     }
1910 }
1911
1912 static block_t *MemToBlock( demux_t *p_demux, uint8_t *p_mem, int i_mem, size_t offset)
1913 {
1914     block_t *p_block;
1915     if( !(p_block = block_New( p_demux, i_mem + offset ) ) ) return NULL;
1916     memcpy( p_block->p_buffer + offset, p_mem, i_mem );
1917     //p_block->i_rate = p_input->stream.control.i_rate;
1918     return p_block;
1919 }
1920
1921 #if LIBMATROSKA_VERSION >= 0x000800
1922 static void BlockDecode( demux_t *p_demux, KaxBlock *block, KaxSimpleBlock *simpleblock,
1923                          mtime_t i_pts, mtime_t i_duration, bool f_mandatory )
1924 #else
1925 static void BlockDecode( demux_t *p_demux, KaxBlock *block, mtime_t i_pts,
1926                          mtime_t i_duration, bool f_mandatory )
1927 #endif
1928 {
1929     demux_sys_t        *p_sys = p_demux->p_sys;
1930     matroska_segment_c *p_segment = p_sys->p_current_segment->Segment();
1931
1932     size_t          i_track;
1933     unsigned int    i;
1934     vlc_bool_t      b;
1935
1936 #define tk  p_segment->tracks[i_track]
1937     for( i_track = 0; i_track < p_segment->tracks.size(); i_track++ )
1938     {
1939 #if LIBMATROSKA_VERSION >= 0x000800
1940         if( (block != NULL && tk->i_number == block->TrackNum()) ||
1941             (simpleblock != NULL && tk->i_number == simpleblock->TrackNum()))
1942 #else
1943         if( tk->i_number == block->TrackNum() )
1944 #endif
1945         {
1946             break;
1947         }
1948     }
1949
1950     if( i_track >= p_segment->tracks.size() )
1951     {
1952         msg_Err( p_demux, "invalid track number" );
1953         return;
1954     }
1955     if( tk->fmt.i_cat != NAV_ES && tk->p_es == NULL )
1956     {
1957         msg_Err( p_demux, "unknown track number" );
1958         return;
1959     }
1960     if( i_pts + i_duration < p_sys->i_start_pts && tk->fmt.i_cat == AUDIO_ES )
1961     {
1962         return; /* discard audio packets that shouldn't be rendered */
1963     }
1964
1965     if ( tk->fmt.i_cat != NAV_ES )
1966     {
1967         es_out_Control( p_demux->out, ES_OUT_GET_ES_STATE, tk->p_es, &b );
1968
1969         if( !b )
1970         {
1971             tk->b_inited = VLC_FALSE;
1972             return;
1973         }
1974     }
1975
1976
1977     /* First send init data */
1978     if( !tk->b_inited && tk->i_data_init > 0 )
1979     {
1980         block_t *p_init;
1981
1982         msg_Dbg( p_demux, "sending header (%d bytes)", tk->i_data_init );
1983         p_init = MemToBlock( p_demux, tk->p_data_init, tk->i_data_init, 0 );
1984         if( p_init ) es_out_Send( p_demux->out, tk->p_es, p_init );
1985     }
1986     tk->b_inited = VLC_TRUE;
1987
1988
1989 #if LIBMATROSKA_VERSION >= 0x000800
1990     for( i = 0;
1991         (block != NULL && i < block->NumberFrames()) || (simpleblock != NULL && i < simpleblock->NumberFrames());
1992         i++ )
1993 #else
1994     for( i = 0; i < block->NumberFrames(); i++ )
1995 #endif
1996     {
1997         block_t *p_block;
1998         DataBuffer *data;
1999 #if LIBMATROSKA_VERSION >= 0x000800
2000         if ( simpleblock != NULL )
2001         {
2002             data = &simpleblock->GetBuffer(i);
2003             // condition when the DTS is correct (keyframe or B frame == NOT P frame)
2004             f_mandatory = simpleblock->IsDiscardable() || simpleblock->IsKeyframe();
2005         }
2006         else
2007 #endif
2008         data = &block->GetBuffer(i);
2009
2010         if( tk->i_compression_type == MATROSKA_COMPRESSION_HEADER && tk->p_compression_data != NULL )
2011             p_block = MemToBlock( p_demux, data->Buffer(), data->Size(), tk->p_compression_data->GetSize() );
2012         else
2013             p_block = MemToBlock( p_demux, data->Buffer(), data->Size(), 0 );
2014
2015         if( p_block == NULL )
2016         {
2017             break;
2018         }
2019
2020 #if defined(HAVE_ZLIB_H)
2021         if( tk->i_compression_type == MATROSKA_COMPRESSION_ZLIB )
2022         {
2023             p_block = block_zlib_decompress( VLC_OBJECT(p_demux), p_block );
2024         }
2025         else
2026 #endif
2027         if( tk->i_compression_type == MATROSKA_COMPRESSION_HEADER )
2028         {
2029             memcpy( p_block->p_buffer, tk->p_compression_data->GetBuffer(), tk->p_compression_data->GetSize() );
2030         }
2031
2032         if ( tk->fmt.i_cat == NAV_ES )
2033         {
2034             // TODO handle the start/stop times of this packet
2035             if ( p_sys->b_ui_hooked )
2036             {
2037                 vlc_mutex_lock( &p_sys->p_ev->lock );
2038                 memcpy( &p_sys->pci_packet, &p_block->p_buffer[1], sizeof(pci_t) );
2039                 p_sys->SwapButtons();
2040                 p_sys->b_pci_packet_set = true;
2041                 vlc_mutex_unlock( &p_sys->p_ev->lock );
2042                 block_Release( p_block );
2043             }
2044             return;
2045         }
2046         // correct timestamping when B frames are used
2047         if( tk->fmt.i_cat != VIDEO_ES )
2048         {
2049             p_block->i_dts = p_block->i_pts = i_pts;
2050         }
2051         else
2052         {
2053             if( !strcmp( tk->psz_codec, "V_MS/VFW/FOURCC" ) )
2054             {
2055                 // in VFW we have no idea about B frames
2056                 p_block->i_pts = 0;
2057                 p_block->i_dts = i_pts;
2058             }
2059             else
2060             {
2061                 p_block->i_pts = i_pts;
2062                 if ( f_mandatory )
2063                     p_block->i_dts = p_block->i_pts;
2064                 else
2065                     p_block->i_dts = min( i_pts, tk->i_last_dts + (mtime_t)(tk->i_default_duration >> 10));
2066                 p_sys->i_pts = p_block->i_dts;
2067             }
2068         }
2069         tk->i_last_dts = p_block->i_dts;
2070
2071 #if 0
2072 msg_Dbg( p_demux, "block i_dts: "I64Fd" / i_pts: "I64Fd, p_block->i_dts, p_block->i_pts);
2073 #endif
2074         if( strcmp( tk->psz_codec, "S_VOBSUB" ) )
2075         {
2076             p_block->i_length = i_duration * 1000;
2077         }
2078
2079         es_out_Send( p_demux->out, tk->p_es, p_block );
2080
2081         /* use time stamp only for first block */
2082         i_pts = 0;
2083     }
2084
2085 #undef tk
2086 }
2087
2088 matroska_stream_c *demux_sys_t::AnalyseAllSegmentsFound( demux_t *p_demux, EbmlStream *p_estream, bool b_initial )
2089 {
2090     int i_upper_lvl = 0;
2091     size_t i;
2092     EbmlElement *p_l0, *p_l1, *p_l2;
2093     bool b_keep_stream = false, b_keep_segment;
2094
2095     // verify the EBML Header
2096     p_l0 = p_estream->FindNextID(EbmlHead::ClassInfos, 0xFFFFFFFFL);
2097     if (p_l0 == NULL)
2098     {
2099         msg_Err( p_demux, "No EBML header found" );
2100         return NULL;
2101     }
2102
2103     // verify we can read this Segment, we only support Matroska version 1 for now
2104     p_l0->Read(*p_estream, EbmlHead::ClassInfos.Context, i_upper_lvl, p_l0, true);
2105
2106     EDocType doc_type = GetChild<EDocType>(*static_cast<EbmlHead*>(p_l0));
2107     if (std::string(doc_type) != "matroska")
2108     {
2109         msg_Err( p_demux, "Not a Matroska file : DocType = %s ", std::string(doc_type).c_str());
2110         return NULL;
2111     }
2112
2113     EDocTypeReadVersion doc_read_version = GetChild<EDocTypeReadVersion>(*static_cast<EbmlHead*>(p_l0));
2114 #if LIBMATROSKA_VERSION >= 0x000800
2115     if (uint64(doc_read_version) > 2)
2116     {
2117         msg_Err( p_demux, "This matroska file is needs version "I64Fd" and this VLC only supports version 1 & 2", uint64(doc_read_version));
2118         return NULL;
2119     }
2120 #else
2121     if (uint64(doc_read_version) != 1)
2122     {
2123         msg_Err( p_demux, "This matroska file is needs version "I64Fd" and this VLC only supports version 1", uint64(doc_read_version));
2124         return NULL;
2125     }
2126 #endif
2127
2128     delete p_l0;
2129
2130
2131     // find all segments in this file
2132     p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFFLL);
2133     if (p_l0 == NULL)
2134     {
2135         return NULL;
2136     }
2137
2138     matroska_stream_c *p_stream1 = new matroska_stream_c( *this );
2139
2140     while (p_l0 != 0)
2141     {
2142         if (EbmlId(*p_l0) == KaxSegment::ClassInfos.GlobalId)
2143         {
2144             EbmlParser  *ep;
2145             matroska_segment_c *p_segment1 = new matroska_segment_c( *this, *p_estream );
2146             b_keep_segment = b_initial;
2147
2148             ep = new EbmlParser(p_estream, p_l0, &demuxer );
2149             p_segment1->ep = ep;
2150             p_segment1->segment = (KaxSegment*)p_l0;
2151
2152             while ((p_l1 = ep->Get()))
2153             {
2154                 if (MKV_IS_ID(p_l1, KaxInfo))
2155                 {
2156                     // find the families of this segment
2157                     KaxInfo *p_info = static_cast<KaxInfo*>(p_l1);
2158
2159                     p_info->Read(*p_estream, KaxInfo::ClassInfos.Context, i_upper_lvl, p_l2, true);
2160                     for( i = 0; i < p_info->ListSize(); i++ )
2161                     {
2162                         EbmlElement *l = (*p_info)[i];
2163
2164                         if( MKV_IS_ID( l, KaxSegmentUID ) )
2165                         {
2166                             KaxSegmentUID *p_uid = static_cast<KaxSegmentUID*>(l);
2167                             b_keep_segment = (FindSegment( *p_uid ) == NULL);
2168                             if ( !b_keep_segment )
2169                                 break; // this segment is already known
2170                             opened_segments.push_back( p_segment1 );
2171                             delete p_segment1->p_segment_uid;
2172                             p_segment1->p_segment_uid = new KaxSegmentUID(*p_uid);
2173                         }
2174                         else if( MKV_IS_ID( l, KaxPrevUID ) )
2175                         {
2176                             p_segment1->p_prev_segment_uid = new KaxPrevUID( *static_cast<KaxPrevUID*>(l) );
2177                         }
2178                         else if( MKV_IS_ID( l, KaxNextUID ) )
2179                         {
2180                             p_segment1->p_next_segment_uid = new KaxNextUID( *static_cast<KaxNextUID*>(l) );
2181                         }
2182                         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
2183                         {
2184                             KaxSegmentFamily *p_fam = new KaxSegmentFamily( *static_cast<KaxSegmentFamily*>(l) );
2185                             p_segment1->families.push_back( p_fam );
2186                         }
2187                     }
2188                     break;
2189                 }
2190             }
2191             if ( b_keep_segment )
2192             {
2193                 b_keep_stream = true;
2194                 p_stream1->segments.push_back( p_segment1 );
2195             }
2196             else
2197             {
2198                 p_segment1->segment = NULL;
2199                 delete p_segment1;
2200             }
2201         }
2202         if (p_l0->IsFiniteSize() )
2203         {
2204             p_l0->SkipData(*p_estream, KaxMatroska_Context);
2205             p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFL);
2206         }
2207         else
2208             p_l0 = p_l0->SkipData(*p_estream, KaxSegment_Context);
2209     }
2210
2211     if ( !b_keep_stream )
2212     {
2213         delete p_stream1;
2214         p_stream1 = NULL;
2215     }
2216
2217     return p_stream1;
2218 }
2219
2220 bool matroska_segment_c::Select( mtime_t i_start_time )
2221 {
2222     size_t i_track;
2223
2224     /* add all es */
2225     msg_Dbg( &sys.demuxer, "found %d es", (int)tracks.size() );
2226     sys.b_pci_packet_set = false;
2227
2228     for( i_track = 0; i_track < tracks.size(); i_track++ )
2229     {
2230         if( tracks[i_track]->fmt.i_cat == UNKNOWN_ES )
2231         {
2232             msg_Warn( &sys.demuxer, "invalid track[%d, n=%d]", (int)i_track, tracks[i_track]->i_number );
2233             tracks[i_track]->p_es = NULL;
2234             continue;
2235         }
2236
2237         if( !strcmp( tracks[i_track]->psz_codec, "V_MS/VFW/FOURCC" ) )
2238         {
2239             if( tracks[i_track]->i_extra_data < (int)sizeof( BITMAPINFOHEADER ) )
2240             {
2241                 msg_Err( &sys.demuxer, "missing/invalid BITMAPINFOHEADER" );
2242                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2243             }
2244             else
2245             {
2246                 BITMAPINFOHEADER *p_bih = (BITMAPINFOHEADER*)tracks[i_track]->p_extra_data;
2247
2248                 tracks[i_track]->fmt.video.i_width = GetDWLE( &p_bih->biWidth );
2249                 tracks[i_track]->fmt.video.i_height= GetDWLE( &p_bih->biHeight );
2250                 tracks[i_track]->fmt.i_codec       = GetFOURCC( &p_bih->biCompression );
2251
2252                 tracks[i_track]->fmt.i_extra       = GetDWLE( &p_bih->biSize ) - sizeof( BITMAPINFOHEADER );
2253                 if( tracks[i_track]->fmt.i_extra > 0 )
2254                 {
2255                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2256                     memcpy( tracks[i_track]->fmt.p_extra, &p_bih[1], tracks[i_track]->fmt.i_extra );
2257                 }
2258             }
2259         }
2260         else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG1" ) ||
2261                  !strcmp( tracks[i_track]->psz_codec, "V_MPEG2" ) )
2262         {
2263             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'v' );
2264         }
2265         else if( !strncmp( tracks[i_track]->psz_codec, "V_THEORA", 8 ) )
2266         {
2267             uint8_t *p_data = tracks[i_track]->p_extra_data;
2268             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 't', 'h', 'e', 'o' );
2269             if( tracks[i_track]->i_extra_data >= 4 ) {
2270                 if( p_data[0] == 2 ) {
2271                     int i = 1;
2272                     int i_size1 = 0, i_size2 = 0;
2273                     p_data++;
2274                     /* read size of first header packet */
2275                     while( *p_data == 0xFF &&
2276                            i < tracks[i_track]->i_extra_data )
2277                     {
2278                         i_size1 += *p_data;
2279                         p_data++;
2280                         i++;
2281                     }
2282                     i_size1 += *p_data;
2283                     p_data++;
2284                     i++;
2285                     msg_Dbg( &sys.demuxer, "first theora header size %d", i_size1 );
2286                     /* read size of second header packet */
2287                     while( *p_data == 0xFF &&
2288                            i < tracks[i_track]->i_extra_data )
2289                     {
2290                         i_size2 += *p_data;
2291                         p_data++;
2292                         i++;
2293                     }
2294                     i_size2 += *p_data;
2295                     p_data++;
2296                     i++;
2297                     int i_size3 = tracks[i_track]->i_extra_data - i - i_size1
2298                         - i_size2;
2299                     msg_Dbg( &sys.demuxer, "second theora header size %d", i_size2 );
2300                     msg_Dbg( &sys.demuxer, "third theora header size %d", i_size3 );
2301                     tracks[i_track]->fmt.i_extra = i_size1 + i_size2 + i_size3
2302                         + 6;
2303                     if( i_size1 > 0 && i_size2 > 0 && i_size3 > 0  ) {
2304                         tracks[i_track]->fmt.p_extra =
2305                             malloc( tracks[i_track]->fmt.i_extra );
2306                         uint8_t *p_out = (uint8_t*)tracks[i_track]->fmt.p_extra;
2307                         *p_out++ = (i_size1>>8) & 0xFF;
2308                         *p_out++ = i_size1 & 0xFF;
2309                         memcpy( p_out, p_data, i_size1 );
2310                         p_data += i_size1;
2311                         p_out += i_size1;
2312
2313                         *p_out++ = (i_size2>>8) & 0xFF;
2314                         *p_out++ = i_size2 & 0xFF;
2315                         memcpy( p_out, p_data, i_size2 );
2316                         p_data += i_size2;
2317                         p_out += i_size2;
2318
2319                         *p_out++ = (i_size3>>8) & 0xFF;
2320                         *p_out++ = i_size3 & 0xFF;
2321                         memcpy( p_out, p_data, i_size3 );
2322                         p_data += i_size3;
2323                         p_out += i_size3;
2324                     }
2325                     else
2326                     {
2327                         msg_Err( &sys.demuxer, "inconsistant theora extradata" );
2328                     }
2329                 }
2330                 else {
2331                     msg_Err( &sys.demuxer, "Wrong number of ogg packets with theora headers (%d)", p_data[0] + 1 );
2332                 }
2333             }
2334         }
2335         else if( !strncmp( tracks[i_track]->psz_codec, "V_MPEG4", 7 ) )
2336         {
2337             if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/MS/V3" ) )
2338             {
2339                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'D', 'I', 'V', '3' );
2340             }
2341             else if( !strncmp( tracks[i_track]->psz_codec, "V_MPEG4/ISO", 11 ) )
2342             {
2343                 /* A MPEG 4 codec, SP, ASP, AP or AVC */
2344                 if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/ISO/AVC" ) )
2345                     tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'v', 'c', '1' );
2346                 else
2347                     tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' );
2348                 tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2349                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2350                 memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2351             }
2352         }
2353         else if( !strcmp( tracks[i_track]->psz_codec, "V_QUICKTIME" ) )
2354         {
2355             MP4_Box_t *p_box = (MP4_Box_t*)malloc( sizeof( MP4_Box_t ) );
2356             stream_t *p_mp4_stream = stream_MemoryNew( VLC_OBJECT(&sys.demuxer),
2357                                                        tracks[i_track]->p_extra_data,
2358                                                        tracks[i_track]->i_extra_data,
2359                                                        VLC_FALSE );
2360             MP4_ReadBoxCommon( p_mp4_stream, p_box );
2361             MP4_ReadBox_sample_vide( p_mp4_stream, p_box );
2362             tracks[i_track]->fmt.i_codec = p_box->i_type;
2363             tracks[i_track]->fmt.video.i_width = p_box->data.p_sample_vide->i_width;
2364             tracks[i_track]->fmt.video.i_height = p_box->data.p_sample_vide->i_height;
2365             tracks[i_track]->fmt.i_extra = p_box->data.p_sample_vide->i_qt_image_description;
2366             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2367             memcpy( tracks[i_track]->fmt.p_extra, p_box->data.p_sample_vide->p_qt_image_description, tracks[i_track]->fmt.i_extra );
2368             MP4_FreeBox_sample_vide( p_box );
2369             stream_Delete( p_mp4_stream );
2370         }
2371         else if( !strcmp( tracks[i_track]->psz_codec, "A_MS/ACM" ) )
2372         {
2373             if( tracks[i_track]->i_extra_data < (int)sizeof( WAVEFORMATEX ) )
2374             {
2375                 msg_Err( &sys.demuxer, "missing/invalid WAVEFORMATEX" );
2376                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2377             }
2378             else
2379             {
2380                 WAVEFORMATEX *p_wf = (WAVEFORMATEX*)tracks[i_track]->p_extra_data;
2381
2382                 wf_tag_to_fourcc( GetWLE( &p_wf->wFormatTag ), &tracks[i_track]->fmt.i_codec, NULL );
2383
2384                 tracks[i_track]->fmt.audio.i_channels   = GetWLE( &p_wf->nChannels );
2385                 tracks[i_track]->fmt.audio.i_rate = GetDWLE( &p_wf->nSamplesPerSec );
2386                 tracks[i_track]->fmt.i_bitrate    = GetDWLE( &p_wf->nAvgBytesPerSec ) * 8;
2387                 tracks[i_track]->fmt.audio.i_blockalign = GetWLE( &p_wf->nBlockAlign );;
2388                 tracks[i_track]->fmt.audio.i_bitspersample = GetWLE( &p_wf->wBitsPerSample );
2389
2390                 tracks[i_track]->fmt.i_extra            = GetWLE( &p_wf->cbSize );
2391                 if( tracks[i_track]->fmt.i_extra > 0 )
2392                 {
2393                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2394                     memcpy( tracks[i_track]->fmt.p_extra, &p_wf[1], tracks[i_track]->fmt.i_extra );
2395                 }
2396             }
2397         }
2398         else if( !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L3" ) ||
2399                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L2" ) ||
2400                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L1" ) )
2401         {
2402             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' );
2403         }
2404         else if( !strcmp( tracks[i_track]->psz_codec, "A_AC3" ) )
2405         {
2406             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' );
2407         }
2408         else if( !strcmp( tracks[i_track]->psz_codec, "A_DTS" ) )
2409         {
2410             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'd', 't', 's', ' ' );
2411         }
2412         else if( !strcmp( tracks[i_track]->psz_codec, "A_FLAC" ) )
2413         {
2414             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'f', 'l', 'a', 'c' );
2415             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2416             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2417             memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2418         }
2419         else if( !strcmp( tracks[i_track]->psz_codec, "A_VORBIS" ) )
2420         {
2421             int i, i_offset = 1, i_size[3], i_extra;
2422             uint8_t *p_extra;
2423
2424             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'v', 'o', 'r', 'b' );
2425
2426             /* Split the 3 headers */
2427             if( tracks[i_track]->p_extra_data[0] != 0x02 )
2428                 msg_Err( &sys.demuxer, "invalid vorbis header" );
2429
2430             for( i = 0; i < 2; i++ )
2431             {
2432                 i_size[i] = 0;
2433                 while( i_offset < tracks[i_track]->i_extra_data )
2434                 {
2435                     i_size[i] += tracks[i_track]->p_extra_data[i_offset];
2436                     if( tracks[i_track]->p_extra_data[i_offset++] != 0xff ) break;
2437                 }
2438             }
2439
2440             i_size[0] = __MIN(i_size[0], tracks[i_track]->i_extra_data - i_offset);
2441             i_size[1] = __MIN(i_size[1], tracks[i_track]->i_extra_data -i_offset -i_size[0]);
2442             i_size[2] = tracks[i_track]->i_extra_data - i_offset - i_size[0] - i_size[1];
2443
2444             tracks[i_track]->fmt.i_extra = 3 * 2 + i_size[0] + i_size[1] + i_size[2];
2445             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2446             p_extra = (uint8_t *)tracks[i_track]->fmt.p_extra; i_extra = 0;
2447             for( i = 0; i < 3; i++ )
2448             {
2449                 *(p_extra++) = i_size[i] >> 8;
2450                 *(p_extra++) = i_size[i] & 0xFF;
2451                 memcpy( p_extra, tracks[i_track]->p_extra_data + i_offset + i_extra,
2452                         i_size[i] );
2453                 p_extra += i_size[i];
2454                 i_extra += i_size[i];
2455             }
2456         }
2457         else if( !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG2/", strlen( "A_AAC/MPEG2/" ) ) ||
2458                  !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG4/", strlen( "A_AAC/MPEG4/" ) ) )
2459         {
2460             int i_profile, i_srate, sbr = 0;
2461             static unsigned int i_sample_rates[] =
2462             {
2463                     96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050,
2464                         16000, 12000, 11025, 8000,  7350,  0,     0,     0
2465             };
2466
2467             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
2468             /* create data for faad (MP4DecSpecificDescrTag)*/
2469
2470             if( !strcmp( &tracks[i_track]->psz_codec[12], "MAIN" ) )
2471             {
2472                 i_profile = 0;
2473             }
2474             else if( !strcmp( &tracks[i_track]->psz_codec[12], "LC" ) )
2475             {
2476                 i_profile = 1;
2477             }
2478             else if( !strcmp( &tracks[i_track]->psz_codec[12], "SSR" ) )
2479             {
2480                 i_profile = 2;
2481             }
2482             else if( !strcmp( &tracks[i_track]->psz_codec[12], "LC/SBR" ) )
2483             {
2484                 i_profile = 1;
2485                 sbr = 1;
2486             }
2487             else
2488             {
2489                 i_profile = 3;
2490             }
2491
2492             for( i_srate = 0; i_srate < 13; i_srate++ )
2493             {
2494                 if( i_sample_rates[i_srate] == tracks[i_track]->i_original_rate )
2495                 {
2496                     break;
2497                 }
2498             }
2499             msg_Dbg( &sys.demuxer, "profile=%d srate=%d", i_profile, i_srate );
2500
2501             tracks[i_track]->fmt.i_extra = sbr ? 5 : 2;
2502             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2503             ((uint8_t*)tracks[i_track]->fmt.p_extra)[0] = ((i_profile + 1) << 3) | ((i_srate&0xe) >> 1);
2504             ((uint8_t*)tracks[i_track]->fmt.p_extra)[1] = ((i_srate & 0x1) << 7) | (tracks[i_track]->fmt.audio.i_channels << 3);
2505             if (sbr != 0)
2506             {
2507                 int syncExtensionType = 0x2B7;
2508                 int iDSRI;
2509                 for (iDSRI=0; iDSRI<13; iDSRI++)
2510                     if( i_sample_rates[iDSRI] == tracks[i_track]->fmt.audio.i_rate )
2511                         break;
2512                 ((uint8_t*)tracks[i_track]->fmt.p_extra)[2] = (syncExtensionType >> 3) & 0xFF;
2513                 ((uint8_t*)tracks[i_track]->fmt.p_extra)[3] = ((syncExtensionType & 0x7) << 5) | 5;
2514                 ((uint8_t*)tracks[i_track]->fmt.p_extra)[4] = ((1 & 0x1) << 7) | (iDSRI << 3);
2515             }
2516         }
2517         else if( !strcmp( tracks[i_track]->psz_codec, "A_AAC" ) )
2518         {
2519             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
2520             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2521             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2522             memcpy( tracks[i_track]->fmt.p_extra, tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2523         }
2524         else if( !strcmp( tracks[i_track]->psz_codec, "A_WAVPACK4" ) )
2525         {
2526             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'W', 'V', 'P', 'K' );
2527             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2528             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2529             memcpy( tracks[i_track]->fmt.p_extra, tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2530         }
2531         else if( !strcmp( tracks[i_track]->psz_codec, "A_TTA1" ) )
2532         {
2533             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'T', 'T', 'A', '1' );
2534             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2535             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2536             memcpy( tracks[i_track]->fmt.p_extra, tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2537         }
2538         else if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) ||
2539                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/LIT" ) ||
2540                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/FLOAT/IEEE" ) )
2541         {
2542             if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) )
2543             {
2544                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
2545             }
2546             else
2547             {
2548                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
2549             }
2550             tracks[i_track]->fmt.audio.i_blockalign = ( tracks[i_track]->fmt.audio.i_bitspersample + 7 ) / 8 * tracks[i_track]->fmt.audio.i_channels;
2551         }
2552         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/UTF8" ) )
2553         {
2554             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 'u', 'b', 't' );
2555             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2556         }
2557         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/USF" ) )
2558         {
2559             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 's', 'f', ' ' );
2560             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2561             if( tracks[i_track]->i_extra_data )
2562             {
2563                 tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2564                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2565                 memcpy( tracks[i_track]->fmt.p_extra, tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2566             }
2567         }
2568         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/SSA" ) ||
2569                  !strcmp( tracks[i_track]->psz_codec, "S_TEXT/ASS" ) ||
2570                  !strcmp( tracks[i_track]->psz_codec, "S_SSA" ) ||
2571                  !strcmp( tracks[i_track]->psz_codec, "S_ASS" ))
2572         {
2573             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 's', 'a', ' ' );
2574             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2575             if( tracks[i_track]->i_extra_data )
2576             {
2577                 tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2578                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2579                 memcpy( tracks[i_track]->fmt.p_extra, tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2580             }
2581         }
2582         else if( !strcmp( tracks[i_track]->psz_codec, "S_VOBSUB" ) )
2583         {
2584             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's','p','u',' ' );
2585             if( tracks[i_track]->i_extra_data )
2586             {
2587                 char *p_start;
2588                 char *p_buf = (char *)malloc( tracks[i_track]->i_extra_data + 1);
2589                 memcpy( p_buf, tracks[i_track]->p_extra_data , tracks[i_track]->i_extra_data );
2590                 p_buf[tracks[i_track]->i_extra_data] = '\0';
2591
2592                 p_start = strstr( p_buf, "size:" );
2593                 if( sscanf( p_start, "size: %dx%d",
2594                         &tracks[i_track]->fmt.subs.spu.i_original_frame_width, &tracks[i_track]->fmt.subs.spu.i_original_frame_height ) == 2 )
2595                 {
2596                     msg_Dbg( &sys.demuxer, "original frame size vobsubs: %dx%d", tracks[i_track]->fmt.subs.spu.i_original_frame_width, tracks[i_track]->fmt.subs.spu.i_original_frame_height );
2597                 }
2598                 else
2599                 {
2600                     msg_Warn( &sys.demuxer, "reading original frame size for vobsub failed" );
2601                 }
2602                 free( p_buf );
2603             }
2604         }
2605         else if( !strcmp( tracks[i_track]->psz_codec, "B_VOBBTN" ) )
2606         {
2607             tracks[i_track]->fmt.i_cat = NAV_ES;
2608             continue;
2609         }
2610         else
2611         {
2612             msg_Err( &sys.demuxer, "unknow codec id=`%s'", tracks[i_track]->psz_codec );
2613             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2614         }
2615         if( tracks[i_track]->b_default )
2616         {
2617             tracks[i_track]->fmt.i_priority = 1000;
2618         }
2619
2620         tracks[i_track]->p_es = es_out_Add( sys.demuxer.out, &tracks[i_track]->fmt );
2621
2622         /* Turn on a subtitles track if it has been flagged as default -
2623          * but only do this if no subtitles track has already been engaged,
2624          * either by an earlier 'default track' (??) or by default
2625          * language choice behaviour.
2626          */
2627         if( tracks[i_track]->b_default )
2628         {
2629             es_out_Control( sys.demuxer.out,
2630                             ES_OUT_SET_DEFAULT,
2631                             tracks[i_track]->p_es );
2632         }
2633
2634         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_start_time );
2635     }
2636
2637     sys.i_start_pts = i_start_time;
2638     // reset the stream reading to the first cluster of the segment used
2639     es.I_O().setFilePointer( i_start_pos );
2640
2641     delete ep;
2642     ep = new EbmlParser( &es, segment, &sys.demuxer );
2643
2644     return true;
2645 }
2646
2647 void demux_sys_t::StartUiThread()
2648 {
2649     if ( !b_ui_hooked )
2650     {
2651         msg_Dbg( &demuxer, "Starting the UI Hook" );
2652         b_ui_hooked = true;
2653         /* FIXME hack hack hack hack FIXME */
2654         /* Get p_input and create variable */
2655         p_input = (input_thread_t *) vlc_object_find( &demuxer, VLC_OBJECT_INPUT, FIND_PARENT );
2656         var_Create( p_input, "x-start", VLC_VAR_INTEGER );
2657         var_Create( p_input, "y-start", VLC_VAR_INTEGER );
2658         var_Create( p_input, "x-end", VLC_VAR_INTEGER );
2659         var_Create( p_input, "y-end", VLC_VAR_INTEGER );
2660         var_Create( p_input, "color", VLC_VAR_ADDRESS );
2661         var_Create( p_input, "menu-palette", VLC_VAR_ADDRESS );
2662         var_Create( p_input, "highlight", VLC_VAR_BOOL );
2663         var_Create( p_input, "highlight-mutex", VLC_VAR_MUTEX );
2664
2665         /* Now create our event thread catcher */
2666         p_ev = (event_thread_t *) vlc_object_create( &demuxer, sizeof( event_thread_t ) );
2667         p_ev->p_demux = &demuxer;
2668         p_ev->b_die = VLC_FALSE;
2669         vlc_mutex_init( p_ev, &p_ev->lock );
2670         vlc_thread_create( p_ev, "mkv event thread handler", EventThread,
2671                         VLC_THREAD_PRIORITY_LOW, VLC_FALSE );
2672     }
2673 }
2674
2675 void demux_sys_t::StopUiThread()
2676 {
2677     if ( b_ui_hooked )
2678     {
2679         vlc_object_kill( p_ev );
2680         vlc_thread_join( p_ev );
2681         vlc_object_destroy( p_ev );
2682
2683         p_ev = NULL;
2684
2685         var_Destroy( p_input, "highlight-mutex" );
2686         var_Destroy( p_input, "highlight" );
2687         var_Destroy( p_input, "x-start" );
2688         var_Destroy( p_input, "x-end" );
2689         var_Destroy( p_input, "y-start" );
2690         var_Destroy( p_input, "y-end" );
2691         var_Destroy( p_input, "color" );
2692         var_Destroy( p_input, "menu-palette" );
2693
2694         vlc_object_release( p_input );
2695
2696         msg_Dbg( &demuxer, "Stopping the UI Hook" );
2697     }
2698     b_ui_hooked = false;
2699 }
2700
2701 int demux_sys_t::EventMouse( vlc_object_t *p_this, char const *psz_var,
2702                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
2703 {
2704     event_thread_t *p_ev = (event_thread_t *) p_data;
2705     vlc_mutex_lock( &p_ev->lock );
2706     if( psz_var[6] == 'c' )
2707     {
2708         p_ev->b_clicked = VLC_TRUE;
2709         msg_Dbg( p_this, "Event Mouse: clicked");
2710     }
2711     else if( psz_var[6] == 'm' )
2712         p_ev->b_moved = VLC_TRUE;
2713     vlc_mutex_unlock( &p_ev->lock );
2714
2715     return VLC_SUCCESS;
2716 }
2717
2718 int demux_sys_t::EventKey( vlc_object_t *p_this, char const *psz_var,
2719                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
2720 {
2721     event_thread_t *p_ev = (event_thread_t *) p_data;
2722     vlc_mutex_lock( &p_ev->lock );
2723     p_ev->b_key = VLC_TRUE;
2724     vlc_mutex_unlock( &p_ev->lock );
2725     msg_Dbg( p_this, "Event Key");
2726
2727     return VLC_SUCCESS;
2728 }
2729
2730 int demux_sys_t::EventThread( vlc_object_t *p_this )
2731 {
2732     event_thread_t *p_ev = (event_thread_t*)p_this;
2733     demux_sys_t    *p_sys = p_ev->p_demux->p_sys;
2734     vlc_object_t   *p_vout = NULL;
2735
2736     p_ev->b_moved   = VLC_FALSE;
2737     p_ev->b_clicked = VLC_FALSE;
2738     p_ev->b_key     = VLC_FALSE;
2739
2740     /* catch all key event */
2741     var_AddCallback( p_ev->p_libvlc, "key-pressed", EventKey, p_ev );
2742
2743     /* main loop */
2744     while( !p_ev->b_die )
2745     {
2746         if ( !p_sys->b_pci_packet_set )
2747         {
2748             /* Wait 100ms */
2749             msleep( 100000 );
2750             continue;
2751         }
2752
2753         vlc_bool_t b_activated = VLC_FALSE;
2754
2755         /* KEY part */
2756         if( p_ev->b_key )
2757         {
2758             vlc_value_t valk;
2759             struct libvlc_int_t::hotkey *p_hotkeys = p_ev->p_libvlc->p_hotkeys;
2760             int i, i_action = -1;
2761
2762             msg_Dbg( p_ev->p_demux, "Handle Key Event");
2763
2764             vlc_mutex_lock( &p_ev->lock );
2765
2766             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2767
2768             var_Get( p_ev->p_libvlc, "key-pressed", &valk );
2769             for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
2770             {
2771                 if( p_hotkeys[i].i_key == valk.i_int )
2772                 {
2773                     i_action = p_hotkeys[i].i_action;
2774                 }
2775             }
2776
2777             uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2778
2779             switch( i_action )
2780             {
2781             case ACTIONID_NAV_LEFT:
2782                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2783                 {
2784                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2785                     if ( p_button_ptr->left > 0 && p_button_ptr->left <= pci->hli.hl_gi.btn_ns )
2786                     {
2787                         i_curr_button = p_button_ptr->left;
2788                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2789                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2790                         if ( button_ptr.auto_action_mode )
2791                         {
2792                             vlc_mutex_unlock( &p_ev->lock );
2793                             vlc_mutex_lock( &p_sys->lock_demuxer );
2794
2795                             // process the button action
2796                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2797
2798                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2799                             vlc_mutex_lock( &p_ev->lock );
2800                         }
2801                     }
2802                 }
2803                 break;
2804             case ACTIONID_NAV_RIGHT:
2805                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2806                 {
2807                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2808                     if ( p_button_ptr->right > 0 && p_button_ptr->right <= pci->hli.hl_gi.btn_ns )
2809                     {
2810                         i_curr_button = p_button_ptr->right;
2811                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2812                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2813                         if ( button_ptr.auto_action_mode )
2814                         {
2815                             vlc_mutex_unlock( &p_ev->lock );
2816                             vlc_mutex_lock( &p_sys->lock_demuxer );
2817
2818                             // process the button action
2819                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2820
2821                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2822                             vlc_mutex_lock( &p_ev->lock );
2823                         }
2824                     }
2825                 }
2826                 break;
2827             case ACTIONID_NAV_UP:
2828                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2829                 {
2830                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2831                     if ( p_button_ptr->up > 0 && p_button_ptr->up <= pci->hli.hl_gi.btn_ns )
2832                     {
2833                         i_curr_button = p_button_ptr->up;
2834                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2835                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2836                         if ( button_ptr.auto_action_mode )
2837                         {
2838                             vlc_mutex_unlock( &p_ev->lock );
2839                             vlc_mutex_lock( &p_sys->lock_demuxer );
2840
2841                             // process the button action
2842                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2843
2844                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2845                             vlc_mutex_lock( &p_ev->lock );
2846                         }
2847                     }
2848                 }
2849                 break;
2850             case ACTIONID_NAV_DOWN:
2851                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2852                 {
2853                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2854                     if ( p_button_ptr->down > 0 && p_button_ptr->down <= pci->hli.hl_gi.btn_ns )
2855                     {
2856                         i_curr_button = p_button_ptr->down;
2857                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2858                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2859                         if ( button_ptr.auto_action_mode )
2860                         {
2861                             vlc_mutex_unlock( &p_ev->lock );
2862                             vlc_mutex_lock( &p_sys->lock_demuxer );
2863
2864                             // process the button action
2865                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2866
2867                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2868                             vlc_mutex_lock( &p_ev->lock );
2869                         }
2870                     }
2871                 }
2872                 break;
2873             case ACTIONID_NAV_ACTIVATE:
2874                 b_activated = VLC_TRUE;
2875
2876                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2877                 {
2878                     btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2879
2880                     vlc_mutex_unlock( &p_ev->lock );
2881                     vlc_mutex_lock( &p_sys->lock_demuxer );
2882
2883                     // process the button action
2884                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2885
2886                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2887                     vlc_mutex_lock( &p_ev->lock );
2888                 }
2889                 break;
2890             default:
2891                 break;
2892             }
2893             p_ev->b_key = VLC_FALSE;
2894             vlc_mutex_unlock( &p_ev->lock );
2895         }
2896
2897         /* MOUSE part */
2898         if( p_vout && ( p_ev->b_moved || p_ev->b_clicked ) )
2899         {
2900             vlc_value_t valx, valy;
2901
2902             vlc_mutex_lock( &p_ev->lock );
2903             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2904             var_Get( p_vout, "mouse-x", &valx );
2905             var_Get( p_vout, "mouse-y", &valy );
2906
2907             if( p_ev->b_clicked )
2908             {
2909                 int32_t button;
2910                 int32_t best,dist,d;
2911                 int32_t mx,my,dx,dy;
2912
2913                 msg_Dbg( p_ev->p_demux, "Handle Mouse Event: Mouse clicked x(%d)*y(%d)", (unsigned)valx.i_int, (unsigned)valy.i_int);
2914
2915                 b_activated = VLC_TRUE;
2916                 // get current button
2917                 best = 0;
2918                 dist = 0x08000000; /* >> than  (720*720)+(567*567); */
2919                 for(button = 1; button <= pci->hli.hl_gi.btn_ns; button++)
2920                 {
2921                     btni_t *button_ptr = &(pci->hli.btnit[button-1]);
2922
2923                     if(((unsigned)valx.i_int >= button_ptr->x_start)
2924                      && ((unsigned)valx.i_int <= button_ptr->x_end)
2925                      && ((unsigned)valy.i_int >= button_ptr->y_start)
2926                      && ((unsigned)valy.i_int <= button_ptr->y_end))
2927                     {
2928                         mx = (button_ptr->x_start + button_ptr->x_end)/2;
2929                         my = (button_ptr->y_start + button_ptr->y_end)/2;
2930                         dx = mx - valx.i_int;
2931                         dy = my - valy.i_int;
2932                         d = (dx*dx) + (dy*dy);
2933                         /* If the mouse is within the button and the mouse is closer
2934                         * to the center of this button then it is the best choice. */
2935                         if(d < dist) {
2936                             dist = d;
2937                             best = button;
2938                         }
2939                     }
2940                 }
2941
2942                 if ( best != 0)
2943                 {
2944                     btni_t button_ptr = pci->hli.btnit[best-1];
2945                     uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2946
2947                     msg_Dbg( &p_sys->demuxer, "Clicked button %d", best );
2948                     vlc_mutex_unlock( &p_ev->lock );
2949                     vlc_mutex_lock( &p_sys->lock_demuxer );
2950
2951                     // process the button action
2952                     p_sys->dvd_interpretor.SetSPRM( 0x88, best );
2953                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2954
2955                     msg_Dbg( &p_sys->demuxer, "Processed button %d", best );
2956
2957                     // select new button
2958                     if ( best != i_curr_button )
2959                     {
2960                         vlc_value_t val;
2961
2962                         if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
2963                         {
2964                             vlc_mutex_t *p_mutex = (vlc_mutex_t *) val.p_address;
2965                             uint32_t i_palette;
2966
2967                             if(button_ptr.btn_coln != 0) {
2968                                 i_palette = pci->hli.btn_colit.btn_coli[button_ptr.btn_coln-1][1];
2969                             } else {
2970                                 i_palette = 0;
2971                             }
2972
2973                             for( int i = 0; i < 4; i++ )
2974                             {
2975                                 uint32_t i_yuv = 0xFF;//p_sys->clut[(hl.palette>>(16+i*4))&0x0f];
2976                                 uint8_t i_alpha = (i_palette>>(i*4))&0x0f;
2977                                 i_alpha = i_alpha == 0xf ? 0xff : i_alpha << 4;
2978
2979                                 p_sys->palette[i][0] = (i_yuv >> 16) & 0xff;
2980                                 p_sys->palette[i][1] = (i_yuv >> 0) & 0xff;
2981                                 p_sys->palette[i][2] = (i_yuv >> 8) & 0xff;
2982                                 p_sys->palette[i][3] = i_alpha;
2983                             }
2984
2985                             vlc_mutex_lock( p_mutex );
2986                             val.i_int = button_ptr.x_start; var_Set( p_sys->p_input, "x-start", val );
2987                             val.i_int = button_ptr.x_end;   var_Set( p_sys->p_input, "x-end",   val );
2988                             val.i_int = button_ptr.y_start; var_Set( p_sys->p_input, "y-start", val );
2989                             val.i_int = button_ptr.y_end;   var_Set( p_sys->p_input, "y-end",   val );
2990
2991                             val.p_address = (void *)p_sys->palette;
2992                             var_Set( p_sys->p_input, "menu-palette", val );
2993
2994                             val.b_bool = VLC_TRUE; var_Set( p_sys->p_input, "highlight", val );
2995                             vlc_mutex_unlock( p_mutex );
2996                         }
2997                     }
2998                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2999                     vlc_mutex_lock( &p_ev->lock );
3000                 }
3001             }
3002             else if( p_ev->b_moved )
3003             {
3004 //                dvdnav_mouse_select( NULL, pci, valx.i_int, valy.i_int );
3005             }
3006
3007             p_ev->b_moved = VLC_FALSE;
3008             p_ev->b_clicked = VLC_FALSE;
3009             vlc_mutex_unlock( &p_ev->lock );
3010         }
3011
3012         /* VOUT part */
3013         if( p_vout && p_vout->b_die )
3014         {
3015             var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
3016             var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
3017             vlc_object_release( p_vout );
3018             p_vout = NULL;
3019         }
3020
3021         else if( p_vout == NULL )
3022         {
3023             p_vout = (vlc_object_t*) vlc_object_find( p_sys->p_input, VLC_OBJECT_VOUT,
3024                                       FIND_CHILD );
3025             if( p_vout)
3026             {
3027                 var_AddCallback( p_vout, "mouse-moved", EventMouse, p_ev );
3028                 var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
3029             }
3030         }
3031
3032         /* Wait a bit, 10ms */
3033         msleep( 10000 );
3034     }
3035
3036     /* Release callback */
3037     if( p_vout )
3038     {
3039         var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
3040         var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
3041         vlc_object_release( p_vout );
3042     }
3043     var_DelCallback( p_ev->p_libvlc, "key-pressed", EventKey, p_ev );
3044
3045     vlc_mutex_destroy( &p_ev->lock );
3046
3047     return VLC_SUCCESS;
3048 }
3049
3050 void matroska_segment_c::UnSelect( )
3051 {
3052     size_t i_track;
3053
3054     for( i_track = 0; i_track < tracks.size(); i_track++ )
3055     {
3056         if ( tracks[i_track]->p_es != NULL )
3057         {
3058 //            es_format_Clean( &tracks[i_track]->fmt );
3059             es_out_Del( sys.demuxer.out, tracks[i_track]->p_es );
3060             tracks[i_track]->p_es = NULL;
3061         }
3062     }
3063     delete ep;
3064     ep = NULL;
3065 }
3066
3067 void virtual_segment_c::PrepareChapters( )
3068 {
3069     if ( linked_segments.size() == 0 )
3070         return;
3071
3072     // !!! should be called only once !!!
3073     matroska_segment_c *p_segment;
3074     size_t i, j;
3075
3076     // copy editions from the first segment
3077     p_segment = linked_segments[0];
3078     p_editions = &p_segment->stored_editions;
3079
3080     for ( i=1 ; i<linked_segments.size(); i++ )
3081     {
3082         p_segment = linked_segments[i];
3083         // FIXME assume we have the same editions in all segments
3084         for (j=0; j<p_segment->stored_editions.size(); j++)
3085         {
3086             if( j >= p_editions->size() ) /* Protect against broken files (?) */
3087                 break;
3088             (*p_editions)[j]->Append( *p_segment->stored_editions[j] );
3089         }
3090     }
3091 }
3092
3093 std::string chapter_edition_c::GetMainName() const
3094 {
3095     if ( sub_chapters.size() )
3096     {
3097         return sub_chapters[0]->GetCodecName( true );
3098     }
3099     return "";
3100 }
3101
3102 int chapter_item_c::PublishChapters( input_title_t & title, int & i_user_chapters, int i_level )
3103 {
3104     // add support for meta-elements from codec like DVD Titles
3105     if ( !b_display_seekpoint || psz_name == "" )
3106     {
3107         psz_name = GetCodecName();
3108         if ( psz_name != "" )
3109             b_display_seekpoint = true;
3110     }
3111
3112     if (b_display_seekpoint)
3113     {
3114         seekpoint_t *sk = vlc_seekpoint_New();
3115
3116         sk->i_level = i_level;
3117         sk->i_time_offset = i_start_time;
3118         sk->psz_name = strdup( psz_name.c_str() );
3119
3120         // A start time of '0' is ok. A missing ChapterTime element is ok, too, because '0' is its default value.
3121         title.i_seekpoint++;
3122         title.seekpoint = (seekpoint_t**)realloc( title.seekpoint, title.i_seekpoint * sizeof( seekpoint_t* ) );
3123         title.seekpoint[title.i_seekpoint-1] = sk;
3124
3125         if ( b_user_display )
3126             i_user_chapters++;
3127     }
3128
3129     for ( size_t i=0; i<sub_chapters.size() ; i++)
3130     {
3131         sub_chapters[i]->PublishChapters( title, i_user_chapters, i_level+1 );
3132     }
3133
3134     i_seekpoint_num = i_user_chapters;
3135
3136     return i_user_chapters;
3137 }
3138
3139 bool virtual_segment_c::UpdateCurrentToChapter( demux_t & demux )
3140 {
3141     demux_sys_t & sys = *demux.p_sys;
3142     chapter_item_c *psz_curr_chapter;
3143     bool b_has_seeked = false;
3144
3145     /* update current chapter/seekpoint */
3146     if ( p_editions->size() )
3147     {
3148         /* 1st, we need to know in which chapter we are */
3149         psz_curr_chapter = (*p_editions)[i_current_edition]->FindTimecode( sys.i_pts, psz_current_chapter );
3150
3151         /* we have moved to a new chapter */
3152         if (psz_curr_chapter != NULL && psz_current_chapter != psz_curr_chapter)
3153         {
3154             if ( (*p_editions)[i_current_edition]->b_ordered )
3155             {
3156                 // Leave/Enter up to the link point
3157                 b_has_seeked = psz_curr_chapter->EnterAndLeave( psz_current_chapter );
3158                 if ( !b_has_seeked )
3159                 {
3160                     // only physically seek if necessary
3161                     if ( psz_current_chapter == NULL || (psz_current_chapter->i_end_time != psz_curr_chapter->i_start_time) )
3162                         Seek( demux, sys.i_pts, 0, psz_curr_chapter );
3163                 }
3164             }
3165
3166             if ( !b_has_seeked )
3167             {
3168                 psz_current_chapter = psz_curr_chapter;
3169                 if ( psz_curr_chapter->i_seekpoint_num > 0 )
3170                 {
3171                     demux.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
3172                     demux.info.i_title = sys.i_current_title = i_sys_title;
3173                     demux.info.i_seekpoint = psz_curr_chapter->i_seekpoint_num - 1;
3174                 }
3175             }
3176
3177             return true;
3178         }
3179         else if (psz_curr_chapter == NULL)
3180         {
3181             // out of the scope of the data described by chapters, leave the edition
3182             if ( (*p_editions)[i_current_edition]->b_ordered && psz_current_chapter != NULL )
3183             {
3184                 if ( !(*p_editions)[i_current_edition]->EnterAndLeave( psz_current_chapter, false ) )
3185                     psz_current_chapter = NULL;
3186                 else
3187                     return true;
3188             }
3189         }
3190     }
3191     return false;
3192 }
3193
3194 chapter_item_c *virtual_segment_c::BrowseCodecPrivate( unsigned int codec_id,
3195                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
3196                                     const void *p_cookie,
3197                                     size_t i_cookie_size )
3198 {
3199     // FIXME don't assume it is the first edition
3200     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
3201     if ( index != p_editions->end() )
3202     {
3203         chapter_item_c *p_result = (*index)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
3204         if ( p_result != NULL )
3205             return p_result;
3206     }
3207     return NULL;
3208 }
3209
3210 chapter_item_c *virtual_segment_c::FindChapter( int64_t i_find_uid )
3211 {
3212     // FIXME don't assume it is the first edition
3213     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
3214     if ( index != p_editions->end() )
3215     {
3216         chapter_item_c *p_result = (*index)->FindChapter( i_find_uid );
3217         if ( p_result != NULL )
3218             return p_result;
3219     }
3220     return NULL;
3221 }
3222
3223 chapter_item_c *chapter_item_c::BrowseCodecPrivate( unsigned int codec_id,
3224                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
3225                                     const void *p_cookie,
3226                                     size_t i_cookie_size )
3227 {
3228     // this chapter
3229     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
3230     while ( index != codecs.end() )
3231     {
3232         if ( match( **index ,p_cookie, i_cookie_size ) )
3233             return this;
3234         index++;
3235     }
3236
3237     // sub-chapters
3238     chapter_item_c *p_result = NULL;
3239     std::vector<chapter_item_c*>::const_iterator index2 = sub_chapters.begin();
3240     while ( index2 != sub_chapters.end() )
3241     {
3242         p_result = (*index2)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
3243         if ( p_result != NULL )
3244             return p_result;
3245         index2++;
3246     }
3247
3248     return p_result;
3249 }
3250
3251 void chapter_item_c::Append( const chapter_item_c & chapter )
3252 {
3253     // we are appending content for the same chapter UID
3254     size_t i;
3255     chapter_item_c *p_chapter;
3256
3257     for ( i=0; i<chapter.sub_chapters.size(); i++ )
3258     {
3259         p_chapter = FindChapter( chapter.sub_chapters[i]->i_uid );
3260         if ( p_chapter != NULL )
3261         {
3262             p_chapter->Append( *chapter.sub_chapters[i] );
3263         }
3264         else
3265         {
3266             sub_chapters.push_back( chapter.sub_chapters[i] );
3267         }
3268     }
3269
3270     i_user_start_time = min( i_user_start_time, chapter.i_user_start_time );
3271     i_user_end_time = max( i_user_end_time, chapter.i_user_end_time );
3272 }
3273
3274 chapter_item_c * chapter_item_c::FindChapter( int64_t i_find_uid )
3275 {
3276     size_t i;
3277     chapter_item_c *p_result = NULL;
3278
3279     if ( i_uid == i_find_uid )
3280         return this;
3281
3282     for ( i=0; i<sub_chapters.size(); i++)
3283     {
3284         p_result = sub_chapters[i]->FindChapter( i_find_uid );
3285         if ( p_result != NULL )
3286             break;
3287     }
3288     return p_result;
3289 }
3290
3291 std::string chapter_item_c::GetCodecName( bool f_for_title ) const
3292 {
3293     std::string result;
3294
3295     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
3296     while ( index != codecs.end() )
3297     {
3298         result = (*index)->GetCodecName( f_for_title );
3299         if ( result != "" )
3300             break;
3301         index++;
3302     }
3303
3304     return result;
3305 }
3306
3307 std::string dvd_chapter_codec_c::GetCodecName( bool f_for_title ) const
3308 {
3309     std::string result;
3310     if ( p_private_data->GetSize() >= 3)
3311     {
3312         const binary* p_data = p_private_data->GetBuffer();
3313 /*        if ( p_data[0] == MATROSKA_DVD_LEVEL_TT )
3314         {
3315             uint16_t i_title = (p_data[1] << 8) + p_data[2];
3316             char psz_str[11];
3317             sprintf( psz_str, " %d  ---", i_title );
3318             result = N_("---  DVD Title");
3319             result += psz_str;
3320         }
3321         else */ if ( p_data[0] == MATROSKA_DVD_LEVEL_LU )
3322         {
3323             char psz_str[11];
3324             sprintf( psz_str, " (%c%c)  ---", p_data[1], p_data[2] );
3325             result = N_("---  DVD Menu");
3326             result += psz_str;
3327         }
3328         else if ( p_data[0] == MATROSKA_DVD_LEVEL_SS && f_for_title )
3329         {
3330             if ( p_data[1] == 0x00 )
3331                 result = N_("First Played");
3332             else if ( p_data[1] == 0xC0 )
3333                 result = N_("Video Manager");
3334             else if ( p_data[1] == 0x80 )
3335             {
3336                 uint16_t i_title = (p_data[2] << 8) + p_data[3];
3337                 char psz_str[20];
3338                 sprintf( psz_str, " %d -----", i_title );
3339                 result = N_("----- Title");
3340                 result += psz_str;
3341             }
3342         }
3343     }
3344
3345     return result;
3346 }
3347
3348 int16 chapter_item_c::GetTitleNumber( ) const
3349 {
3350     int result = -1;
3351
3352     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
3353     while ( index != codecs.end() )
3354     {
3355         result = (*index)->GetTitleNumber( );
3356         if ( result >= 0 )
3357             break;
3358         index++;
3359     }
3360
3361     return result;
3362 }
3363
3364 int16 dvd_chapter_codec_c::GetTitleNumber()
3365 {
3366     if ( p_private_data->GetSize() >= 3)
3367     {
3368         const binary* p_data = p_private_data->GetBuffer();
3369         if ( p_data[0] == MATROSKA_DVD_LEVEL_SS )
3370         {
3371             return int16( (p_data[2] << 8) + p_data[3] );
3372         }
3373     }
3374     return -1;
3375 }
3376
3377 static void Seek( demux_t *p_demux, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter )
3378 {
3379     demux_sys_t        *p_sys = p_demux->p_sys;
3380     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3381     matroska_segment_c *p_segment = p_vsegment->Segment();
3382     mtime_t            i_time_offset = 0;
3383
3384     int         i_index;
3385
3386     msg_Dbg( p_demux, "seek request to "I64Fd" (%f%%)", i_date, f_percent );
3387     if( i_date < 0 && f_percent < 0 )
3388     {
3389         msg_Warn( p_demux, "cannot seek nowhere !" );
3390         return;
3391     }
3392     if( f_percent > 1.0 )
3393     {
3394         msg_Warn( p_demux, "cannot seek so far !" );
3395         return;
3396     }
3397
3398     /* seek without index or without date */
3399     if( f_percent >= 0 && (config_GetInt( p_demux, "mkv-seek-percent" ) || !p_segment->b_cues || i_date < 0 ))
3400     {
3401         if (p_sys->f_duration >= 0)
3402         {
3403             i_date = int64_t( f_percent * p_sys->f_duration * 1000.0 );
3404         }
3405         else
3406         {
3407             int64_t i_pos = int64_t( f_percent * stream_Size( p_demux->s ) );
3408
3409             msg_Dbg( p_demux, "inacurate way of seeking" );
3410             for( i_index = 0; i_index < p_segment->i_index; i_index++ )
3411             {
3412                 if( p_segment->p_indexes[i_index].i_position >= i_pos)
3413                 {
3414                     break;
3415                 }
3416             }
3417             if( i_index == p_segment->i_index )
3418             {
3419                 i_index--;
3420             }
3421
3422             i_date = p_segment->p_indexes[i_index].i_time;
3423
3424 #if 0
3425             if( p_segment->p_indexes[i_index].i_position < i_pos )
3426             {
3427                 EbmlElement *el;
3428
3429                 msg_Warn( p_demux, "searching for cluster, could take some time" );
3430
3431                 /* search a cluster */
3432                 while( ( el = p_sys->ep->Get() ) != NULL )
3433                 {
3434                     if( MKV_IS_ID( el, KaxCluster ) )
3435                     {
3436                         KaxCluster *cluster = (KaxCluster*)el;
3437
3438                         /* add it to the index */
3439                         p_segment->IndexAppendCluster( cluster );
3440
3441                         if( (int64_t)cluster->GetElementPosition() >= i_pos )
3442                         {
3443                             p_sys->cluster = cluster;
3444                             p_sys->ep->Down();
3445                             break;
3446                         }
3447                     }
3448                 }
3449             }
3450 #endif
3451         }
3452     }
3453
3454     p_vsegment->Seek( *p_demux, i_date, i_time_offset, psz_chapter );
3455 }
3456
3457 /*****************************************************************************
3458  * Demux: reads and demuxes data packets
3459  *****************************************************************************
3460  * Returns -1 in case of error, 0 in case of EOF, 1 otherwise
3461  *****************************************************************************/
3462 static int Demux( demux_t *p_demux)
3463 {
3464     demux_sys_t        *p_sys = p_demux->p_sys;
3465
3466     vlc_mutex_lock( &p_sys->lock_demuxer );
3467
3468     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3469     matroska_segment_c *p_segment = p_vsegment->Segment();
3470     if ( p_segment == NULL ) return 0;
3471     int                i_block_count = 0;
3472     int                i_return = 0;
3473
3474     for( ;; )
3475     {
3476         if ( p_sys->demuxer.b_die )
3477             break;
3478
3479         if( p_sys->i_pts >= p_sys->i_start_pts  )
3480             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3481             {
3482                 i_return = 1;
3483                 break;
3484             }
3485
3486         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3487         {
3488             /* nothing left to read in this ordered edition */
3489             if ( !p_vsegment->SelectNext() )
3490                 break;
3491             p_segment->UnSelect( );
3492
3493             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3494
3495             /* switch to the next segment */
3496             p_segment = p_vsegment->Segment();
3497             if ( !p_segment->Select( 0 ) )
3498             {
3499                 msg_Err( p_demux, "Failed to select new segment" );
3500                 break;
3501             }
3502             continue;
3503         }
3504
3505         KaxBlock *block;
3506         int64_t i_block_duration = 0;
3507         int64_t i_block_ref1;
3508         int64_t i_block_ref2;
3509
3510 #if LIBMATROSKA_VERSION >= 0x000800
3511         KaxSimpleBlock *simpleblock;
3512
3513         if( p_segment->BlockGet( block, simpleblock, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
3514 #else
3515         if( p_segment->BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
3516 #endif
3517         {
3518             if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered )
3519             {
3520                 const chapter_item_c *p_chap = p_vsegment->CurrentChapter();
3521                 // check if there are more chapters to read
3522                 if ( p_chap != NULL )
3523                 {
3524                     /* TODO handle successive chapters with the same user_start_time/user_end_time
3525                     if ( p_chap->i_user_start_time == p_chap->i_user_start_time )
3526                         p_vsegment->SelectNext();
3527                     */
3528                     p_sys->i_pts = p_chap->i_user_end_time;
3529                     p_sys->i_pts++; // trick to avoid staying on segments with no duration and no content
3530
3531                     i_return = 1;
3532                 }
3533
3534                 break;
3535             }
3536             else
3537             {
3538                 msg_Warn( p_demux, "cannot get block EOF?" );
3539                 p_segment->UnSelect( );
3540
3541                 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3542
3543                 /* switch to the next segment */
3544                 if ( !p_vsegment->SelectNext() )
3545                     // no more segments in this stream
3546                     break;
3547                 p_segment = p_vsegment->Segment();
3548                 if ( !p_segment->Select( 0 ) )
3549                 {
3550                     msg_Err( p_demux, "Failed to select new segment" );
3551                     break;
3552                 }
3553
3554                 continue;
3555             }
3556         }
3557
3558 #if LIBMATROSKA_VERSION >= 0x000800
3559         if ( simpleblock != NULL )
3560             p_sys->i_pts = (p_sys->i_chapter_time + simpleblock->GlobalTimecode()) / (mtime_t) 1000;
3561         else
3562 #endif
3563         p_sys->i_pts = (p_sys->i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
3564
3565         if( p_sys->i_pts >= p_sys->i_start_pts  )
3566         {
3567             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pts );
3568
3569             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3570             {
3571                 i_return = 1;
3572                 delete block;
3573                 break;
3574             }
3575         }
3576
3577         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3578         {
3579             /* nothing left to read in this ordered edition */
3580             if ( !p_vsegment->SelectNext() )
3581             {
3582                 delete block;
3583                 break;
3584             }
3585             p_segment->UnSelect( );
3586
3587             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3588
3589             /* switch to the next segment */
3590             p_segment = p_vsegment->Segment();
3591             if ( !p_segment->Select( 0 ) )
3592             {
3593                 msg_Err( p_demux, "Failed to select new segment" );
3594                 delete block;
3595                 break;
3596             }
3597             delete block;
3598             continue;
3599         }
3600
3601 #if LIBMATROSKA_VERSION >= 0x000800
3602         BlockDecode( p_demux, block, simpleblock, p_sys->i_pts, i_block_duration, i_block_ref1 >= 0 || i_block_ref2 > 0 );
3603 #else
3604         BlockDecode( p_demux, block, p_sys->i_pts, i_block_duration, i_block_ref1 >= 0 || i_block_ref2 > 0 );
3605 #endif
3606
3607         delete block;
3608         i_block_count++;
3609
3610         // TODO optimize when there is need to leave or when seeking has been called
3611         if( i_block_count > 5 )
3612         {
3613             i_return = 1;
3614             break;
3615         }
3616     }
3617
3618     vlc_mutex_unlock( &p_sys->lock_demuxer );
3619
3620     return i_return;
3621 }
3622
3623
3624
3625 /*****************************************************************************
3626  * Stream managment
3627  *****************************************************************************/
3628 vlc_stream_io_callback::vlc_stream_io_callback( stream_t *s_, vlc_bool_t b_owner_ )
3629 {
3630     s = s_;
3631     b_owner = b_owner_;
3632     mb_eof = VLC_FALSE;
3633 }
3634
3635 uint32 vlc_stream_io_callback::read( void *p_buffer, size_t i_size )
3636 {
3637     if( i_size <= 0 || mb_eof )
3638     {
3639         return 0;
3640     }
3641
3642     return stream_Read( s, p_buffer, i_size );
3643 }
3644 void vlc_stream_io_callback::setFilePointer(int64_t i_offset, seek_mode mode )
3645 {
3646     int64_t i_pos;
3647
3648     switch( mode )
3649     {
3650         case seek_beginning:
3651             i_pos = i_offset;
3652             break;
3653         case seek_end:
3654             i_pos = stream_Size( s ) - i_offset;
3655             break;
3656         default:
3657             i_pos= stream_Tell( s ) + i_offset;
3658             break;
3659     }
3660
3661     if( i_pos < 0 || i_pos >= stream_Size( s ) )
3662     {
3663         mb_eof = VLC_TRUE;
3664         return;
3665     }
3666
3667     mb_eof = VLC_FALSE;
3668     if( stream_Seek( s, i_pos ) )
3669     {
3670         mb_eof = VLC_TRUE;
3671     }
3672     return;
3673 }
3674 size_t vlc_stream_io_callback::write( const void *p_buffer, size_t i_size )
3675 {
3676     return 0;
3677 }
3678 uint64 vlc_stream_io_callback::getFilePointer( void )
3679 {
3680     if ( s == NULL )
3681         return 0;
3682     return stream_Tell( s );
3683 }
3684 void vlc_stream_io_callback::close( void )
3685 {
3686     return;
3687 }
3688
3689
3690 /*****************************************************************************
3691  * Ebml Stream parser
3692  *****************************************************************************/
3693 EbmlParser::EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux )
3694 {
3695     int i;
3696
3697     m_es = es;
3698     m_got = NULL;
3699     m_el[0] = el_start;
3700     mi_remain_size[0] = el_start->GetSize();
3701
3702     for( i = 1; i < 6; i++ )
3703     {
3704         m_el[i] = NULL;
3705     }
3706     mi_level = 1;
3707     mi_user_level = 1;
3708     mb_keep = VLC_FALSE;
3709     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3710 }
3711
3712 EbmlParser::~EbmlParser( void )
3713 {
3714     int i;
3715
3716     for( i = 1; i < mi_level; i++ )
3717     {
3718         if( !mb_keep )
3719         {
3720             delete m_el[i];
3721         }
3722         mb_keep = VLC_FALSE;
3723     }
3724 }
3725
3726 EbmlElement* EbmlParser::UnGet( uint64 i_block_pos, uint64 i_cluster_pos )
3727 {
3728     if ( mi_user_level > mi_level )
3729     {
3730         while ( mi_user_level != mi_level )
3731         {
3732             delete m_el[mi_user_level];
3733             m_el[mi_user_level] = NULL;
3734             mi_user_level--;
3735         }
3736     }
3737     m_got = NULL;
3738     mb_keep = VLC_FALSE;
3739     if ( m_el[1]->GetElementPosition() == i_cluster_pos )
3740     {
3741         m_es->I_O().setFilePointer( i_block_pos, seek_beginning );
3742         return (EbmlMaster*) m_el[1];
3743     }
3744     else
3745     {
3746         // seek to the previous Cluster
3747         m_es->I_O().setFilePointer( i_cluster_pos, seek_beginning );
3748         mi_level--;
3749         mi_user_level--;
3750         delete m_el[mi_level];
3751         m_el[mi_level] = NULL;
3752         return NULL;
3753     }
3754 }
3755
3756 void EbmlParser::Up( void )
3757 {
3758     if( mi_user_level == mi_level )
3759     {
3760         fprintf( stderr," arrrrrrrrrrrrrg Up cannot escape itself\n" );
3761     }
3762
3763     mi_user_level--;
3764 }
3765
3766 void EbmlParser::Down( void )
3767 {
3768     mi_user_level++;
3769     mi_level++;
3770 }
3771
3772 void EbmlParser::Keep( void )
3773 {
3774     mb_keep = VLC_TRUE;
3775 }
3776
3777 int EbmlParser::GetLevel( void )
3778 {
3779     return mi_user_level;
3780 }
3781
3782 void EbmlParser::Reset( demux_t *p_demux )
3783 {
3784     while ( mi_level > 0)
3785     {
3786         delete m_el[mi_level];
3787         m_el[mi_level] = NULL;
3788         mi_level--;
3789     }
3790     mi_user_level = mi_level = 1;
3791 #if LIBEBML_VERSION >= 0x000704
3792     // a little faster and cleaner
3793     m_es->I_O().setFilePointer( static_cast<KaxSegment*>(m_el[0])->GetGlobalPosition(0) );
3794 #else
3795     m_es->I_O().setFilePointer( m_el[0]->GetElementPosition() + m_el[0]->ElementSize(true) - m_el[0]->GetSize() );
3796 #endif
3797     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3798 }
3799
3800 EbmlElement *EbmlParser::Get( void )
3801 {
3802     int i_ulev = 0;
3803
3804     if( mi_user_level != mi_level )
3805     {
3806         return NULL;
3807     }
3808     if( m_got )
3809     {
3810         EbmlElement *ret = m_got;
3811         m_got = NULL;
3812
3813         return ret;
3814     }
3815
3816     if( m_el[mi_level] )
3817     {
3818         m_el[mi_level]->SkipData( *m_es, m_el[mi_level]->Generic().Context );
3819         if( !mb_keep )
3820         {
3821             delete m_el[mi_level];
3822         }
3823         mb_keep = VLC_FALSE;
3824     }
3825
3826     m_el[mi_level] = m_es->FindNextElement( m_el[mi_level - 1]->Generic().Context, i_ulev, 0xFFFFFFFFL, mb_dummy != 0, 1 );
3827 //    mi_remain_size[mi_level] = m_el[mi_level]->GetSize();
3828     if( i_ulev > 0 )
3829     {
3830         while( i_ulev > 0 )
3831         {
3832             if( mi_level == 1 )
3833             {
3834                 mi_level = 0;
3835                 return NULL;
3836             }
3837
3838             delete m_el[mi_level - 1];
3839             m_got = m_el[mi_level -1] = m_el[mi_level];
3840             m_el[mi_level] = NULL;
3841
3842             mi_level--;
3843             i_ulev--;
3844         }
3845         return NULL;
3846     }
3847     else if( m_el[mi_level] == NULL )
3848     {
3849         fprintf( stderr," m_el[mi_level] == NULL\n" );
3850     }
3851
3852     return m_el[mi_level];
3853 }
3854
3855
3856 /*****************************************************************************
3857  * Tools
3858  *  * LoadCues : load the cues element and update index
3859  *
3860  *  * LoadTags : load ... the tags element
3861  *
3862  *  * InformationCreate : create all information, load tags if present
3863  *
3864  *****************************************************************************/
3865 void matroska_segment_c::LoadCues( )
3866 {
3867     int64_t     i_sav_position = es.I_O().getFilePointer();
3868     EbmlParser  *ep;
3869     EbmlElement *el, *cues;
3870
3871     /* *** Load the cue if found *** */
3872     if( i_cues_position < 0 )
3873     {
3874         msg_Warn( &sys.demuxer, "no cues/empty cues found->seek won't be precise" );
3875
3876 //        IndexAppendCluster( cluster );
3877     }
3878
3879     vlc_bool_t b_seekable;
3880
3881     stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
3882     if( !b_seekable )
3883         return;
3884
3885     msg_Dbg( &sys.demuxer, "loading cues" );
3886     es.I_O().setFilePointer( i_cues_position, seek_beginning );
3887     cues = es.FindNextID( KaxCues::ClassInfos, 0xFFFFFFFFL);
3888
3889     if( cues == NULL )
3890     {
3891         msg_Err( &sys.demuxer, "cannot load cues (broken seekhead or file)" );
3892         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3893         return;
3894     }
3895
3896     ep = new EbmlParser( &es, cues, &sys.demuxer );
3897     while( ( el = ep->Get() ) != NULL )
3898     {
3899         if( MKV_IS_ID( el, KaxCuePoint ) )
3900         {
3901 #define idx p_indexes[i_index]
3902
3903             idx.i_track       = -1;
3904             idx.i_block_number= -1;
3905             idx.i_position    = -1;
3906             idx.i_time        = 0;
3907             idx.b_key         = VLC_TRUE;
3908
3909             ep->Down();
3910             while( ( el = ep->Get() ) != NULL )
3911             {
3912                 if( MKV_IS_ID( el, KaxCueTime ) )
3913                 {
3914                     KaxCueTime &ctime = *(KaxCueTime*)el;
3915
3916                     ctime.ReadData( es.I_O() );
3917
3918                     idx.i_time = uint64( ctime ) * i_timescale / (mtime_t)1000;
3919                 }
3920                 else if( MKV_IS_ID( el, KaxCueTrackPositions ) )
3921                 {
3922                     ep->Down();
3923                     while( ( el = ep->Get() ) != NULL )
3924                     {
3925                         if( MKV_IS_ID( el, KaxCueTrack ) )
3926                         {
3927                             KaxCueTrack &ctrack = *(KaxCueTrack*)el;
3928
3929                             ctrack.ReadData( es.I_O() );
3930                             idx.i_track = uint16( ctrack );
3931                         }
3932                         else if( MKV_IS_ID( el, KaxCueClusterPosition ) )
3933                         {
3934                             KaxCueClusterPosition &ccpos = *(KaxCueClusterPosition*)el;
3935
3936                             ccpos.ReadData( es.I_O() );
3937                             idx.i_position = segment->GetGlobalPosition( uint64( ccpos ) );
3938                         }
3939                         else if( MKV_IS_ID( el, KaxCueBlockNumber ) )
3940                         {
3941                             KaxCueBlockNumber &cbnum = *(KaxCueBlockNumber*)el;
3942
3943                             cbnum.ReadData( es.I_O() );
3944                             idx.i_block_number = uint32( cbnum );
3945                         }
3946                         else
3947                         {
3948                             msg_Dbg( &sys.demuxer, "         * Unknown (%s)", typeid(*el).name() );
3949                         }
3950                     }
3951                     ep->Up();
3952                 }
3953                 else
3954                 {
3955                     msg_Dbg( &sys.demuxer, "     * Unknown (%s)", typeid(*el).name() );
3956                 }
3957             }
3958             ep->Up();
3959
3960 #if 0
3961             msg_Dbg( &sys.demuxer, " * added time="I64Fd" pos="I64Fd
3962                      " track=%d bnum=%d", idx.i_time, idx.i_position,
3963                      idx.i_track, idx.i_block_number );
3964 #endif
3965
3966             i_index++;
3967             if( i_index >= i_index_max )
3968             {
3969                 i_index_max += 1024;
3970                 p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
3971             }
3972 #undef idx
3973         }
3974         else
3975         {
3976             msg_Dbg( &sys.demuxer, " * Unknown (%s)", typeid(*el).name() );
3977         }
3978     }
3979     delete ep;
3980     delete cues;
3981
3982     b_cues = VLC_TRUE;
3983
3984     msg_Dbg( &sys.demuxer, "loading cues done." );
3985     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3986 }
3987
3988 void matroska_segment_c::LoadTags( )
3989 {
3990     int64_t     i_sav_position = es.I_O().getFilePointer();
3991     EbmlParser  *ep;
3992     EbmlElement *el, *tags;
3993
3994     msg_Dbg( &sys.demuxer, "loading tags" );
3995     es.I_O().setFilePointer( i_tags_position, seek_beginning );
3996     tags = es.FindNextID( KaxTags::ClassInfos, 0xFFFFFFFFL);
3997
3998     if( tags == NULL )
3999     {
4000         msg_Err( &sys.demuxer, "cannot load tags (broken seekhead or file)" );
4001         es.I_O().setFilePointer( i_sav_position, seek_beginning );
4002         return;
4003     }
4004
4005     msg_Dbg( &sys.demuxer, "Tags" );
4006     ep = new EbmlParser( &es, tags, &sys.demuxer );
4007     while( ( el = ep->Get() ) != NULL )
4008     {
4009         if( MKV_IS_ID( el, KaxTag ) )
4010         {
4011             msg_Dbg( &sys.demuxer, "+ Tag" );
4012             ep->Down();
4013             while( ( el = ep->Get() ) != NULL )
4014             {
4015                 if( MKV_IS_ID( el, KaxTagTargets ) )
4016                 {
4017                     msg_Dbg( &sys.demuxer, "|   + Targets" );
4018                     ep->Down();
4019                     while( ( el = ep->Get() ) != NULL )
4020                     {
4021                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
4022                     }
4023                     ep->Up();
4024                 }
4025                 else if( MKV_IS_ID( el, KaxTagGeneral ) )
4026                 {
4027                     msg_Dbg( &sys.demuxer, "|   + General" );
4028                     ep->Down();
4029                     while( ( el = ep->Get() ) != NULL )
4030                     {
4031                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
4032                     }
4033                     ep->Up();
4034                 }
4035                 else if( MKV_IS_ID( el, KaxTagGenres ) )
4036                 {
4037                     msg_Dbg( &sys.demuxer, "|   + Genres" );
4038                     ep->Down();
4039                     while( ( el = ep->Get() ) != NULL )
4040                     {
4041                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
4042                     }
4043                     ep->Up();
4044                 }
4045                 else if( MKV_IS_ID( el, KaxTagAudioSpecific ) )
4046                 {
4047                     msg_Dbg( &sys.demuxer, "|   + Audio Specific" );
4048                     ep->Down();
4049                     while( ( el = ep->Get() ) != NULL )
4050                     {
4051                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
4052                     }
4053                     ep->Up();
4054                 }
4055                 else if( MKV_IS_ID( el, KaxTagImageSpecific ) )
4056                 {
4057                     msg_Dbg( &sys.demuxer, "|   + Images Specific" );
4058                     ep->Down();
4059                     while( ( el = ep->Get() ) != NULL )
4060                     {
4061                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
4062                     }
4063                     ep->Up();
4064                 }
4065                 else if( MKV_IS_ID( el, KaxTagMultiComment ) )
4066                 {
4067                     msg_Dbg( &sys.demuxer, "|   + Multi Comment" );
4068                 }
4069                 else if( MKV_IS_ID( el, KaxTagMultiCommercial ) )
4070                 {
4071                     msg_Dbg( &sys.demuxer, "|   + Multi Commercial" );
4072                 }
4073                 else if( MKV_IS_ID( el, KaxTagMultiDate ) )
4074                 {
4075                     msg_Dbg( &sys.demuxer, "|   + Multi Date" );
4076                 }
4077                 else if( MKV_IS_ID( el, KaxTagMultiEntity ) )
4078                 {
4079                     msg_Dbg( &sys.demuxer, "|   + Multi Entity" );
4080                 }
4081                 else if( MKV_IS_ID( el, KaxTagMultiIdentifier ) )
4082                 {
4083                     msg_Dbg( &sys.demuxer, "|   + Multi Identifier" );
4084                 }
4085                 else if( MKV_IS_ID( el, KaxTagMultiLegal ) )
4086                 {
4087                     msg_Dbg( &sys.demuxer, "|   + Multi Legal" );
4088                 }
4089                 else if( MKV_IS_ID( el, KaxTagMultiTitle ) )
4090                 {
4091                     msg_Dbg( &sys.demuxer, "|   + Multi Title" );
4092                 }
4093                 else
4094                 {
4095                     msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid( *el ).name() );
4096                 }
4097             }
4098             ep->Up();
4099         }
4100         else
4101         {
4102             msg_Dbg( &sys.demuxer, "+ Unknown (%s)", typeid( *el ).name() );
4103         }
4104     }
4105     delete ep;
4106     delete tags;
4107
4108     msg_Dbg( &sys.demuxer, "loading tags done." );
4109     es.I_O().setFilePointer( i_sav_position, seek_beginning );
4110 }
4111
4112 /*****************************************************************************
4113  * ParseSeekHead:
4114  *****************************************************************************/
4115 void matroska_segment_c::ParseSeekHead( KaxSeekHead *seekhead )
4116 {
4117     EbmlElement *el;
4118     size_t i, j;
4119     int i_upper_level = 0;
4120
4121     msg_Dbg( &sys.demuxer, "|   + Seek head" );
4122
4123     /* Master elements */
4124     seekhead->Read( es, seekhead->Generic().Context, i_upper_level, el, true );
4125
4126     for( i = 0; i < seekhead->ListSize(); i++ )
4127     {
4128         EbmlElement *l = (*seekhead)[i];
4129
4130         if( MKV_IS_ID( l, KaxSeek ) )
4131         {
4132             EbmlMaster *sk = static_cast<EbmlMaster *>(l);
4133             EbmlId id = EbmlVoid::ClassInfos.GlobalId;
4134             int64_t i_pos = -1;
4135
4136             for( j = 0; j < sk->ListSize(); j++ )
4137             {
4138                 EbmlElement *l = (*sk)[j];
4139
4140                 if( MKV_IS_ID( l, KaxSeekID ) )
4141                 {
4142                     KaxSeekID &sid = *(KaxSeekID*)l;
4143                     id = EbmlId( sid.GetBuffer(), sid.GetSize() );
4144                 }
4145                 else if( MKV_IS_ID( l, KaxSeekPosition ) )
4146                 {
4147                     KaxSeekPosition &spos = *(KaxSeekPosition*)l;
4148                     i_pos = uint64( spos );
4149                 }
4150                 else
4151                 {
4152                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
4153                 }
4154             }
4155
4156             if( i_pos >= 0 )
4157             {
4158                 if( id == KaxCues::ClassInfos.GlobalId )
4159                 {
4160                     msg_Dbg( &sys.demuxer, "|   |   |   = cues at "I64Fd, i_pos );
4161                     i_cues_position = segment->GetGlobalPosition( i_pos );
4162                 }
4163                 else if( id == KaxChapters::ClassInfos.GlobalId )
4164                 {
4165                     msg_Dbg( &sys.demuxer, "|   |   |   = chapters at "I64Fd, i_pos );
4166                     i_chapters_position = segment->GetGlobalPosition( i_pos );
4167                 }
4168                 else if( id == KaxTags::ClassInfos.GlobalId )
4169                 {
4170                     msg_Dbg( &sys.demuxer, "|   |   |   = tags at "I64Fd, i_pos );
4171                     i_tags_position = segment->GetGlobalPosition( i_pos );
4172                 }
4173             }
4174         }
4175         else
4176         {
4177             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4178         }
4179     }
4180 }
4181
4182 /*****************************************************************************
4183  * ParseTrackEntry:
4184  *****************************************************************************/
4185 void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
4186 {
4187     size_t i, j, k, n;
4188     bool bSupported = true;
4189
4190     mkv_track_t *tk;
4191
4192     msg_Dbg( &sys.demuxer, "|   |   + Track Entry" );
4193
4194     tk = new mkv_track_t();
4195
4196     /* Init the track */
4197     memset( tk, 0, sizeof( mkv_track_t ) );
4198
4199     es_format_Init( &tk->fmt, UNKNOWN_ES, 0 );
4200     tk->fmt.psz_language = strdup("English");
4201     tk->fmt.psz_description = NULL;
4202
4203     tk->b_default = VLC_TRUE;
4204     tk->b_enabled = VLC_TRUE;
4205     tk->b_silent = VLC_FALSE;
4206     tk->i_number = tracks.size() - 1;
4207     tk->i_extra_data = 0;
4208     tk->p_extra_data = NULL;
4209     tk->psz_codec = NULL;
4210     tk->i_default_duration = 0;
4211     tk->f_timecodescale = 1.0;
4212
4213     tk->b_inited = VLC_FALSE;
4214     tk->i_data_init = 0;
4215     tk->p_data_init = NULL;
4216
4217     tk->psz_codec_name = NULL;
4218     tk->psz_codec_settings = NULL;
4219     tk->psz_codec_info_url = NULL;
4220     tk->psz_codec_download_url = NULL;
4221
4222     tk->i_compression_type = MATROSKA_COMPRESSION_NONE;
4223     tk->p_compression_data = NULL;
4224
4225     for( i = 0; i < m->ListSize(); i++ )
4226     {
4227         EbmlElement *l = (*m)[i];
4228
4229         if( MKV_IS_ID( l, KaxTrackNumber ) )
4230         {
4231             KaxTrackNumber &tnum = *(KaxTrackNumber*)l;
4232
4233             tk->i_number = uint32( tnum );
4234             msg_Dbg( &sys.demuxer, "|   |   |   + Track Number=%u", uint32( tnum ) );
4235         }
4236         else  if( MKV_IS_ID( l, KaxTrackUID ) )
4237         {
4238             KaxTrackUID &tuid = *(KaxTrackUID*)l;
4239
4240             msg_Dbg( &sys.demuxer, "|   |   |   + Track UID=%u",  uint32( tuid ) );
4241         }
4242         else  if( MKV_IS_ID( l, KaxTrackType ) )
4243         {
4244             const char *psz_type;
4245             KaxTrackType &ttype = *(KaxTrackType*)l;
4246
4247             switch( uint8(ttype) )
4248             {
4249                 case track_audio:
4250                     psz_type = "audio";
4251                     tk->fmt.i_cat = AUDIO_ES;
4252                     break;
4253                 case track_video:
4254                     psz_type = "video";
4255                     tk->fmt.i_cat = VIDEO_ES;
4256                     break;
4257                 case track_subtitle:
4258                     psz_type = "subtitle";
4259                     tk->fmt.i_cat = SPU_ES;
4260                     break;
4261                 case track_buttons:
4262                     psz_type = "buttons";
4263                     tk->fmt.i_cat = SPU_ES;
4264                     break;
4265                 default:
4266                     psz_type = "unknown";
4267                     tk->fmt.i_cat = UNKNOWN_ES;
4268                     break;
4269             }
4270
4271             msg_Dbg( &sys.demuxer, "|   |   |   + Track Type=%s", psz_type );
4272         }
4273 //        else  if( EbmlId( *l ) == KaxTrackFlagEnabled::ClassInfos.GlobalId )
4274 //        {
4275 //            KaxTrackFlagEnabled &fenb = *(KaxTrackFlagEnabled*)l;
4276
4277 //            tk->b_enabled = uint32( fenb );
4278 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Enabled=%u",
4279 //                     uint32( fenb )  );
4280 //        }
4281         else  if( MKV_IS_ID( l, KaxTrackFlagDefault ) )
4282         {
4283             KaxTrackFlagDefault &fdef = *(KaxTrackFlagDefault*)l;
4284
4285             tk->b_default = uint32( fdef );
4286             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default=%u", uint32( fdef )  );
4287         }
4288         else  if( MKV_IS_ID( l, KaxTrackFlagLacing ) )
4289         {
4290             KaxTrackFlagLacing &lac = *(KaxTrackFlagLacing*)l;
4291
4292             msg_Dbg( &sys.demuxer, "|   |   |   + Track Lacing=%d", uint32( lac ) );
4293         }
4294         else  if( MKV_IS_ID( l, KaxTrackMinCache ) )
4295         {
4296             KaxTrackMinCache &cmin = *(KaxTrackMinCache*)l;
4297
4298             msg_Dbg( &sys.demuxer, "|   |   |   + Track MinCache=%d", uint32( cmin ) );
4299         }
4300         else  if( MKV_IS_ID( l, KaxTrackMaxCache ) )
4301         {
4302             KaxTrackMaxCache &cmax = *(KaxTrackMaxCache*)l;
4303
4304             msg_Dbg( &sys.demuxer, "|   |   |   + Track MaxCache=%d", uint32( cmax ) );
4305         }
4306         else  if( MKV_IS_ID( l, KaxTrackDefaultDuration ) )
4307         {
4308             KaxTrackDefaultDuration &defd = *(KaxTrackDefaultDuration*)l;
4309
4310             tk->i_default_duration = uint64(defd);
4311             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default Duration="I64Fd, uint64(defd) );
4312         }
4313         else  if( MKV_IS_ID( l, KaxTrackTimecodeScale ) )
4314         {
4315             KaxTrackTimecodeScale &ttcs = *(KaxTrackTimecodeScale*)l;
4316
4317             tk->f_timecodescale = float( ttcs );
4318             msg_Dbg( &sys.demuxer, "|   |   |   + Track TimeCodeScale=%f", tk->f_timecodescale );
4319         }
4320         else if( MKV_IS_ID( l, KaxTrackName ) )
4321         {
4322             KaxTrackName &tname = *(KaxTrackName*)l;
4323
4324             tk->fmt.psz_description = ToUTF8( UTFstring( tname ) );
4325             msg_Dbg( &sys.demuxer, "|   |   |   + Track Name=%s", tk->fmt.psz_description );
4326         }
4327         else  if( MKV_IS_ID( l, KaxTrackLanguage ) )
4328         {
4329             KaxTrackLanguage &lang = *(KaxTrackLanguage*)l;
4330
4331             if ( tk->fmt.psz_language != NULL )
4332                 free( tk->fmt.psz_language );
4333             tk->fmt.psz_language = strdup( string( lang ).c_str() );
4334             msg_Dbg( &sys.demuxer,
4335                      "|   |   |   + Track Language=`%s'", tk->fmt.psz_language );
4336         }
4337         else  if( MKV_IS_ID( l, KaxCodecID ) )
4338         {
4339             KaxCodecID &codecid = *(KaxCodecID*)l;
4340
4341             tk->psz_codec = strdup( string( codecid ).c_str() );
4342             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecId=%s", string( codecid ).c_str() );
4343         }
4344         else  if( MKV_IS_ID( l, KaxCodecPrivate ) )
4345         {
4346             KaxCodecPrivate &cpriv = *(KaxCodecPrivate*)l;
4347
4348             tk->i_extra_data = cpriv.GetSize();
4349             if( tk->i_extra_data > 0 )
4350             {
4351                 tk->p_extra_data = (uint8_t*)malloc( tk->i_extra_data );
4352                 memcpy( tk->p_extra_data, cpriv.GetBuffer(), tk->i_extra_data );
4353             }
4354             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecPrivate size="I64Fd, cpriv.GetSize() );
4355         }
4356         else if( MKV_IS_ID( l, KaxCodecName ) )
4357         {
4358             KaxCodecName &cname = *(KaxCodecName*)l;
4359
4360             tk->psz_codec_name = ToUTF8( UTFstring( cname ) );
4361             msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Name=%s", tk->psz_codec_name );
4362         }
4363         else if( MKV_IS_ID( l, KaxContentEncodings ) )
4364         {
4365             EbmlMaster *cencs = static_cast<EbmlMaster*>(l);
4366             MkvTree( sys.demuxer, 3, "Content Encodings" );
4367             if ( cencs->ListSize() > 1 )
4368             {
4369                 msg_Err( &sys.demuxer, "Multiple Compression method not supported" );
4370                 bSupported = false;
4371             }
4372             for( j = 0; j < cencs->ListSize(); j++ )
4373             {
4374                 EbmlElement *l2 = (*cencs)[j];
4375                 if( MKV_IS_ID( l2, KaxContentEncoding ) )
4376                 {
4377                     MkvTree( sys.demuxer, 4, "Content Encoding" );
4378                     EbmlMaster *cenc = static_cast<EbmlMaster*>(l2);
4379                     for( k = 0; k < cenc->ListSize(); k++ )
4380                     {
4381                         EbmlElement *l3 = (*cenc)[k];
4382                         if( MKV_IS_ID( l3, KaxContentEncodingOrder ) )
4383                         {
4384                             KaxContentEncodingOrder &encord = *(KaxContentEncodingOrder*)l3;
4385                             MkvTree( sys.demuxer, 5, "Order: %i", uint32( encord ) );
4386                         }
4387                         else if( MKV_IS_ID( l3, KaxContentEncodingScope ) )
4388                         {
4389                             KaxContentEncodingScope &encscope = *(KaxContentEncodingScope*)l3;
4390                             MkvTree( sys.demuxer, 5, "Scope: %i", uint32( encscope ) );
4391                         }
4392                         else if( MKV_IS_ID( l3, KaxContentEncodingType ) )
4393                         {
4394                             KaxContentEncodingType &enctype = *(KaxContentEncodingType*)l3;
4395                             MkvTree( sys.demuxer, 5, "Type: %i", uint32( enctype ) );
4396                         }
4397                         else if( MKV_IS_ID( l3, KaxContentCompression ) )
4398                         {
4399                             EbmlMaster *compr = static_cast<EbmlMaster*>(l3);
4400                             MkvTree( sys.demuxer, 5, "Content Compression" );
4401                             for( n = 0; n < compr->ListSize(); n++ )
4402                             {
4403                                 EbmlElement *l4 = (*compr)[n];
4404                                 if( MKV_IS_ID( l4, KaxContentCompAlgo ) )
4405                                 {
4406                                     KaxContentCompAlgo &compalg = *(KaxContentCompAlgo*)l4;
4407                                     MkvTree( sys.demuxer, 6, "Compression Algorithm: %i", uint32(compalg) );
4408                                     tk->i_compression_type = uint32( compalg );
4409                                     if ( ( tk->i_compression_type != MATROSKA_COMPRESSION_ZLIB ) &&
4410                                          ( tk->i_compression_type != MATROSKA_COMPRESSION_HEADER ) )
4411                                     {
4412                                         msg_Err( &sys.demuxer, "Track Compression method %d not supported", tk->i_compression_type );
4413                                         bSupported = false;
4414                                     }
4415                                 }
4416                                 else if( MKV_IS_ID( l4, KaxContentCompSettings ) )
4417                                 {
4418                                     tk->p_compression_data = new KaxContentCompSettings( *(KaxContentCompSettings*)l4 );
4419                                 }
4420                                 else
4421                                 {
4422                                     MkvTree( sys.demuxer, 6, "Unknown (%s)", typeid(*l4).name() );
4423                                 }
4424                             }
4425                         }
4426                         else
4427                         {
4428                             MkvTree( sys.demuxer, 5, "Unknown (%s)", typeid(*l3).name() );
4429                         }
4430                     }
4431                 }
4432                 else
4433                 {
4434                     MkvTree( sys.demuxer, 4, "Unknown (%s)", typeid(*l2).name() );
4435                 }
4436             }
4437         }
4438 //        else if( EbmlId( *l ) == KaxCodecSettings::ClassInfos.GlobalId )
4439 //        {
4440 //            KaxCodecSettings &cset = *(KaxCodecSettings*)l;
4441
4442 //            tk->psz_codec_settings = ToUTF8( UTFstring( cset ) );
4443 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Settings=%s", tk->psz_codec_settings );
4444 //        }
4445 //        else if( EbmlId( *l ) == KaxCodecInfoURL::ClassInfos.GlobalId )
4446 //        {
4447 //            KaxCodecInfoURL &ciurl = *(KaxCodecInfoURL*)l;
4448
4449 //            tk->psz_codec_info_url = strdup( string( ciurl ).c_str() );
4450 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_info_url );
4451 //        }
4452 //        else if( EbmlId( *l ) == KaxCodecDownloadURL::ClassInfos.GlobalId )
4453 //        {
4454 //            KaxCodecDownloadURL &cdurl = *(KaxCodecDownloadURL*)l;
4455
4456 //            tk->psz_codec_download_url = strdup( string( cdurl ).c_str() );
4457 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_download_url );
4458 //        }
4459 //        else if( EbmlId( *l ) == KaxCodecDecodeAll::ClassInfos.GlobalId )
4460 //        {
4461 //            KaxCodecDecodeAll &cdall = *(KaxCodecDecodeAll*)l;
4462
4463 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Decode All=%u <== UNUSED", uint8( cdall ) );
4464 //        }
4465 //        else if( EbmlId( *l ) == KaxTrackOverlay::ClassInfos.GlobalId )
4466 //        {
4467 //            KaxTrackOverlay &tovr = *(KaxTrackOverlay*)l;
4468
4469 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Overlay=%u <== UNUSED", uint32( tovr ) );
4470 //        }
4471         else  if( MKV_IS_ID( l, KaxTrackVideo ) )
4472         {
4473             EbmlMaster *tkv = static_cast<EbmlMaster*>(l);
4474             unsigned int j;
4475             unsigned int i_crop_right = 0, i_crop_left = 0, i_crop_top = 0, i_crop_bottom = 0;
4476             unsigned int i_display_unit = 0, i_display_width = 0, i_display_height = 0;
4477
4478             msg_Dbg( &sys.demuxer, "|   |   |   + Track Video" );
4479             tk->f_fps = 0.0;
4480
4481             tk->fmt.video.i_frame_rate_base = (unsigned int)(tk->i_default_duration / 1000);
4482             tk->fmt.video.i_frame_rate = 1000000;
4483
4484             for( j = 0; j < tkv->ListSize(); j++ )
4485             {
4486                 EbmlElement *l = (*tkv)[j];
4487 //                if( EbmlId( *el4 ) == KaxVideoFlagInterlaced::ClassInfos.GlobalId )
4488 //                {
4489 //                    KaxVideoFlagInterlaced &fint = *(KaxVideoFlagInterlaced*)el4;
4490
4491 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Interlaced=%u", uint8( fint ) );
4492 //                }
4493 //                else if( EbmlId( *el4 ) == KaxVideoStereoMode::ClassInfos.GlobalId )
4494 //                {
4495 //                    KaxVideoStereoMode &stereo = *(KaxVideoStereoMode*)el4;
4496
4497 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Stereo Mode=%u", uint8( stereo ) );
4498 //                }
4499 //                else
4500                 if( MKV_IS_ID( l, KaxVideoPixelWidth ) )
4501                 {
4502                     KaxVideoPixelWidth &vwidth = *(KaxVideoPixelWidth*)l;
4503
4504                     tk->fmt.video.i_width += uint16( vwidth );
4505                     msg_Dbg( &sys.demuxer, "|   |   |   |   + width=%d", uint16( vwidth ) );
4506                 }
4507                 else if( MKV_IS_ID( l, KaxVideoPixelHeight ) )
4508                 {
4509                     KaxVideoPixelWidth &vheight = *(KaxVideoPixelWidth*)l;
4510
4511                     tk->fmt.video.i_height += uint16( vheight );
4512                     msg_Dbg( &sys.demuxer, "|   |   |   |   + height=%d", uint16( vheight ) );
4513                 }
4514                 else if( MKV_IS_ID( l, KaxVideoDisplayWidth ) )
4515                 {
4516                     KaxVideoDisplayWidth &vwidth = *(KaxVideoDisplayWidth*)l;
4517
4518                     i_display_width = uint16( vwidth );
4519                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display width=%d", uint16( vwidth ) );
4520                 }
4521                 else if( MKV_IS_ID( l, KaxVideoDisplayHeight ) )
4522                 {
4523                     KaxVideoDisplayWidth &vheight = *(KaxVideoDisplayWidth*)l;
4524
4525                     i_display_height = uint16( vheight );
4526                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display height=%d", uint16( vheight ) );
4527                 }
4528                 else if( MKV_IS_ID( l, KaxVideoPixelCropBottom ) )
4529                 {
4530                     KaxVideoPixelCropBottom &cropval = *(KaxVideoPixelCropBottom*)l;
4531
4532                     i_crop_bottom = uint16( cropval );
4533                     msg_Dbg( &sys.demuxer, "|   |   |   |   + crop pixel bottom=%d", uint16( cropval ) );
4534                 }
4535                 else if( MKV_IS_ID( l, KaxVideoPixelCropTop ) )
4536                 {
4537                     KaxVideoPixelCropTop &cropval = *(KaxVideoPixelCropTop*)l;
4538
4539                     i_crop_top = uint16( cropval );
4540                     msg_Dbg( &sys.demuxer, "|   |   |   |   + crop pixel top=%d", uint16( cropval ) );
4541                 }
4542                 else if( MKV_IS_ID( l, KaxVideoPixelCropRight ) )
4543                 {
4544                     KaxVideoPixelCropRight &cropval = *(KaxVideoPixelCropRight*)l;
4545
4546                     i_crop_right = uint16( cropval );
4547                     msg_Dbg( &sys.demuxer, "|   |   |   |   + crop pixel right=%d", uint16( cropval ) );
4548                 }
4549                 else if( MKV_IS_ID( l, KaxVideoPixelCropLeft ) )
4550                 {
4551                     KaxVideoPixelCropLeft &cropval = *(KaxVideoPixelCropLeft*)l;
4552
4553                     i_crop_left = uint16( cropval );
4554                     msg_Dbg( &sys.demuxer, "|   |   |   |   + crop pixel left=%d", uint16( cropval ) );
4555                 }
4556                 else if( MKV_IS_ID( l, KaxVideoFrameRate ) )
4557                 {
4558                     KaxVideoFrameRate &vfps = *(KaxVideoFrameRate*)l;
4559
4560                     tk->f_fps = float( vfps );
4561                     msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( vfps ) );
4562                 }
4563                 else if( EbmlId( *l ) == KaxVideoDisplayUnit::ClassInfos.GlobalId )
4564                 {
4565                     KaxVideoDisplayUnit &vdmode = *(KaxVideoDisplayUnit*)l;
4566
4567                     i_display_unit = uint8( vdmode );
4568                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Display Unit=%s",
4569                              uint8( vdmode ) == 0 ? "pixels" : ( uint8( vdmode ) == 1 ? "centimeters": "inches" ) );
4570                 }
4571 //                else if( EbmlId( *l ) == KaxVideoAspectRatio::ClassInfos.GlobalId )
4572 //                {
4573 //                    KaxVideoAspectRatio &ratio = *(KaxVideoAspectRatio*)l;
4574
4575 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + Track Video Aspect Ratio Type=%u", uint8( ratio ) );
4576 //                }
4577 //                else if( EbmlId( *l ) == KaxVideoGamma::ClassInfos.GlobalId )
4578 //                {
4579 //                    KaxVideoGamma &gamma = *(KaxVideoGamma*)l;
4580
4581 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + gamma=%f", float( gamma ) );
4582 //                }
4583                 else
4584                 {
4585                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4586                 }
4587             }
4588             if( i_display_height && i_display_width )
4589                 tk->fmt.video.i_aspect = VOUT_ASPECT_FACTOR * i_display_width / i_display_height;
4590             if( i_crop_left || i_crop_right || i_crop_top || i_crop_bottom )
4591             {
4592                 tk->fmt.video.i_visible_width = tk->fmt.video.i_width;
4593                 tk->fmt.video.i_visible_height = tk->fmt.video.i_height;
4594                 tk->fmt.video.i_x_offset = i_crop_left;
4595                 tk->fmt.video.i_y_offset = i_crop_top;
4596                 tk->fmt.video.i_visible_width -= i_crop_left + i_crop_right;
4597                 tk->fmt.video.i_visible_height -= i_crop_top + i_crop_bottom;
4598             }
4599             /* FIXME: i_display_* allows you to not only set DAR, but also a zoom factor.
4600                we do not support this atm */
4601         }
4602         else  if( MKV_IS_ID( l, KaxTrackAudio ) )
4603         {
4604             EbmlMaster *tka = static_cast<EbmlMaster*>(l);
4605             unsigned int j;
4606
4607             msg_Dbg( &sys.demuxer, "|   |   |   + Track Audio" );
4608
4609             for( j = 0; j < tka->ListSize(); j++ )
4610             {
4611                 EbmlElement *l = (*tka)[j];
4612
4613                 if( MKV_IS_ID( l, KaxAudioSamplingFreq ) )
4614                 {
4615                     KaxAudioSamplingFreq &afreq = *(KaxAudioSamplingFreq*)l;
4616
4617                     tk->i_original_rate = tk->fmt.audio.i_rate = (int)float( afreq );
4618                     msg_Dbg( &sys.demuxer, "|   |   |   |   + afreq=%d", tk->fmt.audio.i_rate );
4619                 }
4620                 else if( MKV_IS_ID( l, KaxAudioOutputSamplingFreq ) )
4621                 {
4622                     KaxAudioOutputSamplingFreq &afreq = *(KaxAudioOutputSamplingFreq*)l;
4623
4624                     tk->fmt.audio.i_rate = (int)float( afreq );
4625                     msg_Dbg( &sys.demuxer, "|   |   |   |   + aoutfreq=%d", tk->fmt.audio.i_rate );
4626                 }
4627                 else if( MKV_IS_ID( l, KaxAudioChannels ) )
4628                 {
4629                     KaxAudioChannels &achan = *(KaxAudioChannels*)l;
4630
4631                     tk->fmt.audio.i_channels = uint8( achan );
4632                     msg_Dbg( &sys.demuxer, "|   |   |   |   + achan=%u", uint8( achan ) );
4633                 }
4634                 else if( MKV_IS_ID( l, KaxAudioBitDepth ) )
4635                 {
4636                     KaxAudioBitDepth &abits = *(KaxAudioBitDepth*)l;
4637
4638                     tk->fmt.audio.i_bitspersample = uint8( abits );
4639                     msg_Dbg( &sys.demuxer, "|   |   |   |   + abits=%u", uint8( abits ) );
4640                 }
4641                 else
4642                 {
4643                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4644                 }
4645             }
4646         }
4647         else
4648         {
4649             msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)",
4650                      typeid(*l).name() );
4651         }
4652     }
4653
4654     if ( bSupported )
4655     {
4656         tracks.push_back( tk );
4657     }
4658     else
4659     {
4660         msg_Err( &sys.demuxer, "Track Entry %d not supported", tk->i_number );
4661         delete tk;
4662     }
4663 }
4664
4665 /*****************************************************************************
4666  * ParseTracks:
4667  *****************************************************************************/
4668 void matroska_segment_c::ParseTracks( KaxTracks *tracks )
4669 {
4670     EbmlElement *el;
4671     unsigned int i;
4672     int i_upper_level = 0;
4673
4674     msg_Dbg( &sys.demuxer, "|   + Tracks" );
4675
4676     /* Master elements */
4677     tracks->Read( es, tracks->Generic().Context, i_upper_level, el, true );
4678
4679     for( i = 0; i < tracks->ListSize(); i++ )
4680     {
4681         EbmlElement *l = (*tracks)[i];
4682
4683         if( MKV_IS_ID( l, KaxTrackEntry ) )
4684         {
4685             ParseTrackEntry( static_cast<KaxTrackEntry *>(l) );
4686         }
4687         else
4688         {
4689             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4690         }
4691     }
4692 }
4693
4694 /*****************************************************************************
4695  * ParseInfo:
4696  *****************************************************************************/
4697 void matroska_segment_c::ParseInfo( KaxInfo *info )
4698 {
4699     EbmlElement *el;
4700     EbmlMaster  *m;
4701     size_t i, j;
4702     int i_upper_level = 0;
4703
4704     msg_Dbg( &sys.demuxer, "|   + Information" );
4705
4706     /* Master elements */
4707     m = static_cast<EbmlMaster *>(info);
4708     m->Read( es, info->Generic().Context, i_upper_level, el, true );
4709
4710     for( i = 0; i < m->ListSize(); i++ )
4711     {
4712         EbmlElement *l = (*m)[i];
4713
4714         if( MKV_IS_ID( l, KaxSegmentUID ) )
4715         {
4716             if ( p_segment_uid == NULL )
4717                 p_segment_uid = new KaxSegmentUID(*static_cast<KaxSegmentUID*>(l));
4718
4719             msg_Dbg( &sys.demuxer, "|   |   + UID=%d", *(uint32*)p_segment_uid->GetBuffer() );
4720         }
4721         else if( MKV_IS_ID( l, KaxPrevUID ) )
4722         {
4723             if ( p_prev_segment_uid == NULL )
4724                 p_prev_segment_uid = new KaxPrevUID(*static_cast<KaxPrevUID*>(l));
4725
4726             msg_Dbg( &sys.demuxer, "|   |   + PrevUID=%d", *(uint32*)p_prev_segment_uid->GetBuffer() );
4727         }
4728         else if( MKV_IS_ID( l, KaxNextUID ) )
4729         {
4730             if ( p_next_segment_uid == NULL )
4731                 p_next_segment_uid = new KaxNextUID(*static_cast<KaxNextUID*>(l));
4732
4733             msg_Dbg( &sys.demuxer, "|   |   + NextUID=%d", *(uint32*)p_next_segment_uid->GetBuffer() );
4734         }
4735         else if( MKV_IS_ID( l, KaxTimecodeScale ) )
4736         {
4737             KaxTimecodeScale &tcs = *(KaxTimecodeScale*)l;
4738
4739             i_timescale = uint64(tcs);
4740
4741             msg_Dbg( &sys.demuxer, "|   |   + TimecodeScale="I64Fd,
4742                      i_timescale );
4743         }
4744         else if( MKV_IS_ID( l, KaxDuration ) )
4745         {
4746             KaxDuration &dur = *(KaxDuration*)l;
4747
4748             i_duration = mtime_t( double( dur ) );
4749
4750             msg_Dbg( &sys.demuxer, "|   |   + Duration="I64Fd,
4751                      i_duration );
4752         }
4753         else if( MKV_IS_ID( l, KaxMuxingApp ) )
4754         {
4755             KaxMuxingApp &mapp = *(KaxMuxingApp*)l;
4756
4757             psz_muxing_application = ToUTF8( UTFstring( mapp ) );
4758
4759             msg_Dbg( &sys.demuxer, "|   |   + Muxing Application=%s",
4760                      psz_muxing_application );
4761         }
4762         else if( MKV_IS_ID( l, KaxWritingApp ) )
4763         {
4764             KaxWritingApp &wapp = *(KaxWritingApp*)l;
4765
4766             psz_writing_application = ToUTF8( UTFstring( wapp ) );
4767
4768             msg_Dbg( &sys.demuxer, "|   |   + Writing Application=%s",
4769                      psz_writing_application );
4770         }
4771         else if( MKV_IS_ID( l, KaxSegmentFilename ) )
4772         {
4773             KaxSegmentFilename &sfn = *(KaxSegmentFilename*)l;
4774
4775             psz_segment_filename = ToUTF8( UTFstring( sfn ) );
4776
4777             msg_Dbg( &sys.demuxer, "|   |   + Segment Filename=%s",
4778                      psz_segment_filename );
4779         }
4780         else if( MKV_IS_ID( l, KaxTitle ) )
4781         {
4782             KaxTitle &title = *(KaxTitle*)l;
4783
4784             psz_title = ToUTF8( UTFstring( title ) );
4785
4786             msg_Dbg( &sys.demuxer, "|   |   + Title=%s", psz_title );
4787         }
4788         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
4789         {
4790             KaxSegmentFamily *uid = static_cast<KaxSegmentFamily*>(l);
4791
4792             families.push_back( new KaxSegmentFamily(*uid) );
4793
4794             msg_Dbg( &sys.demuxer, "|   |   + family=%d", *(uint32*)uid->GetBuffer() );
4795         }
4796 #if defined( HAVE_GMTIME_R ) && !defined( __APPLE__ )
4797         else if( MKV_IS_ID( l, KaxDateUTC ) )
4798         {
4799             KaxDateUTC &date = *(KaxDateUTC*)l;
4800             time_t i_date;
4801             struct tm tmres;
4802             char   buffer[256];
4803
4804             i_date = date.GetEpochDate();
4805             memset( buffer, 0, 256 );
4806             if( gmtime_r( &i_date, &tmres ) &&
4807                 asctime_r( &tmres, buffer ) )
4808             {
4809                 buffer[strlen( buffer)-1]= '\0';
4810                 psz_date_utc = strdup( buffer );
4811                 msg_Dbg( &sys.demuxer, "|   |   + Date=%s", psz_date_utc );
4812             }
4813         }
4814 #endif
4815 #if LIBMATROSKA_VERSION >= 0x000704
4816         else if( MKV_IS_ID( l, KaxChapterTranslate ) )
4817         {
4818             KaxChapterTranslate *p_trans = static_cast<KaxChapterTranslate*>( l );
4819             chapter_translation_c *p_translate = new chapter_translation_c();
4820
4821             p_trans->Read( es, p_trans->Generic().Context, i_upper_level, el, true );
4822             for( j = 0; j < p_trans->ListSize(); j++ )
4823             {
4824                 EbmlElement *l = (*p_trans)[j];
4825
4826                 if( MKV_IS_ID( l, KaxChapterTranslateEditionUID ) )
4827                 {
4828                     p_translate->editions.push_back( uint64( *static_cast<KaxChapterTranslateEditionUID*>( l ) ) );
4829                 }
4830                 else if( MKV_IS_ID( l, KaxChapterTranslateCodec ) )
4831                 {
4832                     p_translate->codec_id = uint32( *static_cast<KaxChapterTranslateCodec*>( l ) );
4833                 }
4834                 else if( MKV_IS_ID( l, KaxChapterTranslateID ) )
4835                 {
4836                     p_translate->p_translated = new KaxChapterTranslateID( *static_cast<KaxChapterTranslateID*>( l ) );
4837                 }
4838             }
4839
4840             translations.push_back( p_translate );
4841         }
4842 #endif
4843         else
4844         {
4845             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4846         }
4847     }
4848
4849     double f_dur = double(i_duration) * double(i_timescale) / 1000000.0;
4850     i_duration = mtime_t(f_dur);
4851 }
4852
4853
4854 /*****************************************************************************
4855  * ParseChapterAtom
4856  *****************************************************************************/
4857 void matroska_segment_c::ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters )
4858 {
4859     size_t i, j;
4860
4861     msg_Dbg( &sys.demuxer, "|   |   |   + ChapterAtom (level=%d)", i_level );
4862     for( i = 0; i < ca->ListSize(); i++ )
4863     {
4864         EbmlElement *l = (*ca)[i];
4865
4866         if( MKV_IS_ID( l, KaxChapterUID ) )
4867         {
4868             chapters.i_uid = uint64_t(*(KaxChapterUID*)l);
4869             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterUID: %lld", chapters.i_uid );
4870         }
4871         else if( MKV_IS_ID( l, KaxChapterFlagHidden ) )
4872         {
4873             KaxChapterFlagHidden &flag =*(KaxChapterFlagHidden*)l;
4874             chapters.b_display_seekpoint = uint8( flag ) == 0;
4875
4876             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterFlagHidden: %s", chapters.b_display_seekpoint ? "no":"yes" );
4877         }
4878         else if( MKV_IS_ID( l, KaxChapterTimeStart ) )
4879         {
4880             KaxChapterTimeStart &start =*(KaxChapterTimeStart*)l;
4881             chapters.i_start_time = uint64( start ) / I64C(1000);
4882
4883             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeStart: %lld", chapters.i_start_time );
4884         }
4885         else if( MKV_IS_ID( l, KaxChapterTimeEnd ) )
4886         {
4887             KaxChapterTimeEnd &end =*(KaxChapterTimeEnd*)l;
4888             chapters.i_end_time = uint64( end ) / I64C(1000);
4889
4890             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeEnd: %lld", chapters.i_end_time );
4891         }
4892         else if( MKV_IS_ID( l, KaxChapterDisplay ) )
4893         {
4894             EbmlMaster *cd = static_cast<EbmlMaster *>(l);
4895
4896             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterDisplay" );
4897             for( j = 0; j < cd->ListSize(); j++ )
4898             {
4899                 EbmlElement *l= (*cd)[j];
4900
4901                 if( MKV_IS_ID( l, KaxChapterString ) )
4902                 {
4903                     int k;
4904
4905                     KaxChapterString &name =*(KaxChapterString*)l;
4906                     for (k = 0; k < i_level; k++)
4907                         chapters.psz_name += '+';
4908                     chapters.psz_name += ' ';
4909                     char *psz_tmp_utf8 = ToUTF8( UTFstring( name ) );
4910                     chapters.psz_name += psz_tmp_utf8;
4911                     chapters.b_user_display = true;
4912
4913                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterString '%s'", psz_tmp_utf8 );
4914                     free( psz_tmp_utf8 );
4915                 }
4916                 else if( MKV_IS_ID( l, KaxChapterLanguage ) )
4917                 {
4918                     KaxChapterLanguage &lang =*(KaxChapterLanguage*)l;
4919                     const char *psz = string( lang ).c_str();
4920
4921                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterLanguage '%s'", psz );
4922                 }
4923                 else if( MKV_IS_ID( l, KaxChapterCountry ) )
4924                 {
4925                     KaxChapterCountry &ct =*(KaxChapterCountry*)l;
4926                     const char *psz = string( ct ).c_str();
4927
4928                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterCountry '%s'", psz );
4929                 }
4930             }
4931         }
4932         else if( MKV_IS_ID( l, KaxChapterProcess ) )
4933         {
4934             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterProcess" );
4935
4936             KaxChapterProcess *cp = static_cast<KaxChapterProcess *>(l);
4937             chapter_codec_cmds_c *p_ccodec = NULL;
4938
4939             for( j = 0; j < cp->ListSize(); j++ )
4940             {
4941                 EbmlElement *k= (*cp)[j];
4942
4943                 if( MKV_IS_ID( k, KaxChapterProcessCodecID ) )
4944                 {
4945                     KaxChapterProcessCodecID *p_codec_id = static_cast<KaxChapterProcessCodecID*>( k );
4946                     if ( uint32(*p_codec_id) == 0 )
4947                         p_ccodec = new matroska_script_codec_c( sys );
4948                     else if ( uint32(*p_codec_id) == 1 )
4949                         p_ccodec = new dvd_chapter_codec_c( sys );
4950                     break;
4951                 }
4952             }
4953
4954             if ( p_ccodec != NULL )
4955             {
4956                 for( j = 0; j < cp->ListSize(); j++ )
4957                 {
4958                     EbmlElement *k= (*cp)[j];
4959
4960                     if( MKV_IS_ID( k, KaxChapterProcessPrivate ) )
4961                     {
4962                         KaxChapterProcessPrivate * p_private = static_cast<KaxChapterProcessPrivate*>( k );
4963                         p_ccodec->SetPrivate( *p_private );
4964                     }
4965                     else if( MKV_IS_ID( k, KaxChapterProcessCommand ) )
4966                     {
4967                         p_ccodec->AddCommand( *static_cast<KaxChapterProcessCommand*>( k ) );
4968                     }
4969                 }
4970                 chapters.codecs.push_back( p_ccodec );
4971             }
4972         }
4973         else if( MKV_IS_ID( l, KaxChapterAtom ) )
4974         {
4975             chapter_item_c *new_sub_chapter = new chapter_item_c();
4976             ParseChapterAtom( i_level+1, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4977             new_sub_chapter->psz_parent = &chapters;
4978             chapters.sub_chapters.push_back( new_sub_chapter );
4979         }
4980     }
4981 }
4982
4983 /*****************************************************************************
4984  * ParseAttachments:
4985  *****************************************************************************/
4986 void matroska_segment_c::ParseAttachments( KaxAttachments *attachments )
4987 {
4988     EbmlElement *el;
4989     int i_upper_level = 0;
4990
4991     attachments->Read( es, attachments->Generic().Context, i_upper_level, el, true );
4992
4993     KaxAttached *attachedFile = FindChild<KaxAttached>( *attachments );
4994
4995     while( attachedFile && ( attachedFile->GetSize() > 0 ) )
4996     {
4997         std::string psz_mime_type  = GetChild<KaxMimeType>( *attachedFile );
4998         KaxFileName  &file_name    = GetChild<KaxFileName>( *attachedFile );
4999         KaxFileData  &img_data     = GetChild<KaxFileData>( *attachedFile );
5000
5001         attachment_c *new_attachment = new attachment_c();
5002
5003         if( new_attachment )
5004         {
5005             new_attachment->psz_file_name  = ToUTF8( UTFstring( file_name ) );
5006             new_attachment->psz_mime_type  = psz_mime_type;
5007             new_attachment->i_size         = img_data.GetSize();
5008             new_attachment->p_data         = malloc( img_data.GetSize() );
5009
5010             if( new_attachment->p_data )
5011             {
5012                 memcpy( new_attachment->p_data, img_data.GetBuffer(), img_data.GetSize() );
5013                 sys.stored_attachments.push_back( new_attachment );
5014             }
5015             else
5016             {
5017                 delete new_attachment;
5018             }
5019         }
5020
5021         attachedFile = &GetNextChild<KaxAttached>( *attachments, *attachedFile );
5022     }
5023 }
5024
5025 /*****************************************************************************
5026  * ParseChapters:
5027  *****************************************************************************/
5028 void matroska_segment_c::ParseChapters( KaxChapters *chapters )
5029 {
5030     EbmlElement *el;
5031     size_t i;
5032     int i_upper_level = 0;
5033     mtime_t i_dur;
5034
5035     /* Master elements */
5036     chapters->Read( es, chapters->Generic().Context, i_upper_level, el, true );
5037
5038     for( i = 0; i < chapters->ListSize(); i++ )
5039     {
5040         EbmlElement *l = (*chapters)[i];
5041
5042         if( MKV_IS_ID( l, KaxEditionEntry ) )
5043         {
5044             chapter_edition_c *p_edition = new chapter_edition_c();
5045
5046             EbmlMaster *E = static_cast<EbmlMaster *>(l );
5047             size_t j;
5048             msg_Dbg( &sys.demuxer, "|   |   + EditionEntry" );
5049             for( j = 0; j < E->ListSize(); j++ )
5050             {
5051                 EbmlElement *l = (*E)[j];
5052
5053                 if( MKV_IS_ID( l, KaxChapterAtom ) )
5054                 {
5055                     chapter_item_c *new_sub_chapter = new chapter_item_c();
5056                     ParseChapterAtom( 0, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
5057                     p_edition->sub_chapters.push_back( new_sub_chapter );
5058                 }
5059                 else if( MKV_IS_ID( l, KaxEditionUID ) )
5060                 {
5061                     p_edition->i_uid = uint64(*static_cast<KaxEditionUID *>( l ));
5062                 }
5063                 else if( MKV_IS_ID( l, KaxEditionFlagOrdered ) )
5064                 {
5065                     p_edition->b_ordered = config_GetInt( &sys.demuxer, "mkv-use-ordered-chapters" ) ? (uint8(*static_cast<KaxEditionFlagOrdered *>( l )) != 0) : 0;
5066                 }
5067                 else if( MKV_IS_ID( l, KaxEditionFlagDefault ) )
5068                 {
5069                     if (uint8(*static_cast<KaxEditionFlagDefault *>( l )) != 0)
5070                         i_default_edition = stored_editions.size();
5071                 }
5072                 else
5073                 {
5074                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
5075                 }
5076             }
5077             stored_editions.push_back( p_edition );
5078         }
5079         else
5080         {
5081             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
5082         }
5083     }
5084
5085     for( i = 0; i < stored_editions.size(); i++ )
5086     {
5087         stored_editions[i]->RefreshChapters( );
5088     }
5089
5090     if ( stored_editions.size() != 0 && stored_editions[i_default_edition]->b_ordered )
5091     {
5092         /* update the duration of the segment according to the sum of all sub chapters */
5093         i_dur = stored_editions[i_default_edition]->Duration() / I64C(1000);
5094         if (i_dur > 0)
5095             i_duration = i_dur;
5096     }
5097 }
5098
5099 void matroska_segment_c::ParseCluster( )
5100 {
5101     EbmlElement *el;
5102     EbmlMaster  *m;
5103     unsigned int i;
5104     int i_upper_level = 0;
5105
5106     /* Master elements */
5107     m = static_cast<EbmlMaster *>( cluster );
5108     m->Read( es, cluster->Generic().Context, i_upper_level, el, true );
5109
5110     for( i = 0; i < m->ListSize(); i++ )
5111     {
5112         EbmlElement *l = (*m)[i];
5113
5114         if( MKV_IS_ID( l, KaxClusterTimecode ) )
5115         {
5116             KaxClusterTimecode &ctc = *(KaxClusterTimecode*)l;
5117
5118             cluster->InitTimecode( uint64( ctc ), i_timescale );
5119             break;
5120         }
5121     }
5122
5123     i_start_time = cluster->GlobalTimecode() / 1000;
5124 }
5125
5126 /*****************************************************************************
5127  * InformationCreate:
5128  *****************************************************************************/
5129 void matroska_segment_c::InformationCreate( )
5130 {
5131     sys.meta = vlc_meta_New();
5132
5133     if( psz_title )
5134     {
5135         vlc_meta_SetTitle( sys.meta, psz_title );
5136     }
5137     if( psz_date_utc )
5138     {
5139         vlc_meta_SetDate( sys.meta, psz_date_utc );
5140     }
5141 #if 0
5142     if( psz_segment_filename )
5143     {
5144         fprintf( stderr, "***** WARNING: Unhandled meta - Use custom\n" );
5145     }
5146     if( psz_muxing_application )
5147     {
5148         fprintf( stderr, "***** WARNING: Unhandled meta - Use custom\n" );
5149     }
5150     if( psz_writing_application )
5151     {
5152         fprintf( stderr, "***** WARNING: Unhandled meta - Use custom\n" );
5153     }
5154
5155     for( size_t i_track = 0; i_track < tracks.size(); i_track++ )
5156     {
5157 //        mkv_track_t *tk = tracks[i_track];
5158 //        vlc_meta_t *mtk = vlc_meta_New();
5159         fprintf( stderr, "***** WARNING: Unhandled child meta\n");
5160     }
5161 #endif
5162
5163     if( i_tags_position >= 0 )
5164     {
5165         vlc_bool_t b_seekable;
5166
5167         stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
5168         if( b_seekable )
5169         {
5170             LoadTags( );
5171         }
5172     }
5173 }
5174
5175
5176 /*****************************************************************************
5177  * Divers
5178  *****************************************************************************/
5179
5180 void matroska_segment_c::IndexAppendCluster( KaxCluster *cluster )
5181 {
5182 #define idx p_indexes[i_index]
5183     idx.i_track       = -1;
5184     idx.i_block_number= -1;
5185     idx.i_position    = cluster->GetElementPosition();
5186     idx.i_time        = -1;
5187     idx.b_key         = VLC_TRUE;
5188
5189     i_index++;
5190     if( i_index >= i_index_max )
5191     {
5192         i_index_max += 1024;
5193         p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
5194     }
5195 #undef idx
5196 }
5197
5198 void chapter_edition_c::RefreshChapters( )
5199 {
5200     chapter_item_c::RefreshChapters( b_ordered, -1 );
5201     b_display_seekpoint = false;
5202 }
5203
5204 int64_t chapter_item_c::RefreshChapters( bool b_ordered, int64_t i_prev_user_time )
5205 {
5206     int64_t i_user_time = i_prev_user_time;
5207
5208     // first the sub-chapters, and then ourself
5209     std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
5210     while ( index != sub_chapters.end() )
5211     {
5212         i_user_time = (*index)->RefreshChapters( b_ordered, i_user_time );
5213         index++;
5214     }
5215
5216     if ( b_ordered )
5217     {
5218         // the ordered chapters always start at zero
5219         if ( i_prev_user_time == -1 )
5220         {
5221             if ( i_user_time == -1 )
5222                 i_user_time = 0;
5223             i_prev_user_time = 0;
5224         }
5225
5226         i_user_start_time = i_prev_user_time;
5227         if ( i_end_time != -1 && i_user_time == i_prev_user_time )
5228         {
5229             i_user_end_time = i_user_start_time - i_start_time + i_end_time;
5230         }
5231         else
5232         {
5233             i_user_end_time = i_user_time;
5234         }
5235     }
5236     else
5237     {
5238         if ( sub_chapters.begin() != sub_chapters.end() )
5239             std::sort( sub_chapters.begin(), sub_chapters.end(), chapter_item_c::CompareTimecode );
5240         i_user_start_time = i_start_time;
5241         if ( i_end_time != -1 )
5242             i_user_end_time = i_end_time;
5243         else if ( i_user_time != -1 )
5244             i_user_end_time = i_user_time;
5245         else
5246             i_user_end_time = i_user_start_time;
5247     }
5248
5249     return i_user_end_time;
5250 }
5251
5252 mtime_t chapter_edition_c::Duration() const
5253 {
5254     mtime_t i_result = 0;
5255
5256     if ( sub_chapters.size() )
5257     {
5258         std::vector<chapter_item_c*>::const_iterator index = sub_chapters.end();
5259         index--;
5260         i_result = (*index)->i_user_end_time;
5261     }
5262
5263     return i_result;
5264 }
5265
5266 chapter_item_c * chapter_edition_c::FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current )
5267 {
5268     if ( !b_ordered )
5269         p_current = NULL;
5270     bool b_found_current = false;
5271     return chapter_item_c::FindTimecode( i_timecode, p_current, b_found_current );
5272 }
5273
5274 chapter_item_c *chapter_item_c::FindTimecode( mtime_t i_user_timecode, const chapter_item_c * p_current, bool & b_found )
5275 {
5276     chapter_item_c *psz_result = NULL;
5277
5278     if ( p_current == this )
5279         b_found = true;
5280
5281     if ( i_user_timecode >= i_user_start_time &&
5282         ( i_user_timecode < i_user_end_time ||
5283           ( i_user_start_time == i_user_end_time && i_user_timecode == i_user_end_time )))
5284     {
5285         std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
5286         while ( index != sub_chapters.end() && ((p_current == NULL && psz_result == NULL) || (p_current != NULL && (!b_found || psz_result == NULL))))
5287         {
5288             psz_result = (*index)->FindTimecode( i_user_timecode, p_current, b_found );
5289             index++;
5290         }
5291
5292         if ( psz_result == NULL )
5293             psz_result = this;
5294     }
5295
5296     return psz_result;
5297 }
5298
5299 bool chapter_item_c::ParentOf( const chapter_item_c & item ) const
5300 {
5301     if ( &item == this )
5302         return true;
5303
5304     std::vector<chapter_item_c*>::const_iterator index = sub_chapters.begin();
5305     while ( index != sub_chapters.end() )
5306     {
5307         if ( (*index)->ParentOf( item ) )
5308             return true;
5309         index++;
5310     }
5311
5312     return false;
5313 }
5314
5315 void demux_sys_t::PreloadFamily( const matroska_segment_c & of_segment )
5316 {
5317     for (size_t i=0; i<opened_segments.size(); i++)
5318     {
5319         opened_segments[i]->PreloadFamily( of_segment );
5320     }
5321 }
5322 bool matroska_segment_c::PreloadFamily( const matroska_segment_c & of_segment )
5323 {
5324     if ( b_preloaded )
5325         return false;
5326
5327     for (size_t i=0; i<families.size(); i++)
5328     {
5329         for (size_t j=0; j<of_segment.families.size(); j++)
5330         {
5331             if ( *(families[i]) == *(of_segment.families[j]) )
5332                 return Preload( );
5333         }
5334     }
5335
5336     return false;
5337 }
5338
5339 // preload all the linked segments for all preloaded segments
5340 void demux_sys_t::PreloadLinked( matroska_segment_c *p_segment )
5341 {
5342     size_t i_preloaded, i, j;
5343     virtual_segment_c *p_seg;
5344
5345     p_current_segment = VirtualFromSegments( p_segment );
5346
5347     used_segments.push_back( p_current_segment );
5348
5349     // create all the other virtual segments of the family
5350     do {
5351         i_preloaded = 0;
5352         for ( i=0; i< opened_segments.size(); i++ )
5353         {
5354             if ( opened_segments[i]->b_preloaded && !IsUsedSegment( *opened_segments[i] ) )
5355             {
5356                 p_seg = VirtualFromSegments( opened_segments[i] );
5357                 used_segments.push_back( p_seg );
5358                 i_preloaded++;
5359             }
5360         }
5361     } while ( i_preloaded ); // worst case: will stop when all segments are found as family related
5362
5363     // publish all editions of all usable segment
5364     for ( i=0; i< used_segments.size(); i++ )
5365     {
5366         p_seg = used_segments[i];
5367         if ( p_seg->p_editions != NULL )
5368         {
5369             std::string sz_name;
5370             input_title_t *p_title = vlc_input_title_New();
5371             p_seg->i_sys_title = i;
5372             int i_chapters;
5373
5374             // TODO use a name for each edition, let the TITLE deal with a codec name
5375             for ( j=0; j<p_seg->p_editions->size(); j++ )
5376             {
5377                 if ( p_title->psz_name == NULL )
5378                 {
5379                     sz_name = (*p_seg->p_editions)[j]->GetMainName();
5380                     if ( sz_name != "" )
5381                         p_title->psz_name = strdup( sz_name.c_str() );
5382                 }
5383
5384                 chapter_edition_c *p_edition = (*p_seg->p_editions)[j];
5385
5386                 i_chapters = 0;
5387                 p_edition->PublishChapters( *p_title, i_chapters, 0 );
5388             }
5389
5390             // create a name if there is none
5391             if ( p_title->psz_name == NULL )
5392             {
5393                 sz_name = N_("Segment");
5394                 char psz_str[6];
5395                 sprintf( psz_str, " %d", (int)i );
5396                 sz_name += psz_str;
5397                 p_title->psz_name = strdup( sz_name.c_str() );
5398             }
5399
5400             titles.push_back( p_title );
5401         }
5402     }
5403
5404     // TODO decide which segment should be first used (VMG for DVD)
5405 }
5406
5407 bool demux_sys_t::IsUsedSegment( matroska_segment_c &segment ) const
5408 {
5409     for ( size_t i=0; i< used_segments.size(); i++ )
5410     {
5411         if ( used_segments[i]->FindUID( *segment.p_segment_uid ) )
5412             return true;
5413     }
5414     return false;
5415 }
5416
5417 virtual_segment_c *demux_sys_t::VirtualFromSegments( matroska_segment_c *p_segment ) const
5418 {
5419     size_t i_preloaded, i;
5420
5421     virtual_segment_c *p_result = new virtual_segment_c( p_segment );
5422
5423     // fill our current virtual segment with all hard linked segments
5424     do {
5425         i_preloaded = 0;
5426         for ( i=0; i< opened_segments.size(); i++ )
5427         {
5428             i_preloaded += p_result->AddSegment( opened_segments[i] );
5429         }
5430     } while ( i_preloaded ); // worst case: will stop when all segments are found as linked
5431
5432     p_result->Sort( );
5433
5434     p_result->PreloadLinked( );
5435
5436     p_result->PrepareChapters( );
5437
5438     return p_result;
5439 }
5440
5441 bool demux_sys_t::PreparePlayback( virtual_segment_c *p_new_segment )
5442 {
5443     if ( p_new_segment != NULL && p_new_segment != p_current_segment )
5444     {
5445         if ( p_current_segment != NULL && p_current_segment->Segment() != NULL )
5446             p_current_segment->Segment()->UnSelect();
5447
5448         p_current_segment = p_new_segment;
5449         i_current_title = p_new_segment->i_sys_title;
5450     }
5451
5452     p_current_segment->LoadCues();
5453     f_duration = p_current_segment->Duration();
5454
5455     /* add information */
5456     p_current_segment->Segment()->InformationCreate( );
5457
5458     p_current_segment->Segment()->Select( 0 );
5459
5460     return true;
5461 }
5462
5463 void demux_sys_t::JumpTo( virtual_segment_c & vsegment, chapter_item_c * p_chapter )
5464 {
5465     // if the segment is not part of the current segment, select the new one
5466     if ( &vsegment != p_current_segment )
5467     {
5468         PreparePlayback( &vsegment );
5469     }
5470
5471     if ( p_chapter != NULL )
5472     {
5473         if ( !p_chapter->Enter( true ) )
5474         {
5475             // jump to the location in the found segment
5476             vsegment.Seek( demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5477         }
5478     }
5479
5480 }
5481
5482 bool matroska_segment_c::CompareSegmentUIDs( const matroska_segment_c * p_item_a, const matroska_segment_c * p_item_b )
5483 {
5484     EbmlBinary *p_tmp;
5485
5486     if ( p_item_a == NULL || p_item_b == NULL )
5487         return false;
5488
5489     p_tmp = (EbmlBinary *)p_item_a->p_segment_uid;
5490     if ( p_item_b->p_prev_segment_uid != NULL
5491           && *p_tmp == *p_item_b->p_prev_segment_uid )
5492         return true;
5493
5494     p_tmp = (EbmlBinary *)p_item_a->p_next_segment_uid;
5495     if ( !p_tmp )
5496         return false;
5497
5498     if ( p_item_b->p_segment_uid != NULL
5499           && *p_tmp == *p_item_b->p_segment_uid )
5500         return true;
5501
5502     if ( p_item_b->p_prev_segment_uid != NULL
5503           && *p_tmp == *p_item_b->p_prev_segment_uid )
5504         return true;
5505
5506     return false;
5507 }
5508
5509 bool matroska_segment_c::Preload( )
5510 {
5511     if ( b_preloaded )
5512         return false;
5513
5514     EbmlElement *el = NULL;
5515
5516     ep->Reset( &sys.demuxer );
5517
5518     while( ( el = ep->Get() ) != NULL )
5519     {
5520         if( MKV_IS_ID( el, KaxInfo ) )
5521         {
5522             ParseInfo( static_cast<KaxInfo*>( el ) );
5523         }
5524         else if( MKV_IS_ID( el, KaxTracks ) )
5525         {
5526             ParseTracks( static_cast<KaxTracks*>( el ) );
5527             if ( tracks.size() == 0 )
5528             {
5529                 msg_Err( &sys.demuxer, "No tracks supported" );
5530                 return false;
5531             }
5532         }
5533         else if( MKV_IS_ID( el, KaxSeekHead ) )
5534         {
5535             ParseSeekHead( static_cast<KaxSeekHead*>( el ) );
5536         }
5537         else if( MKV_IS_ID( el, KaxCues ) )
5538         {
5539             msg_Dbg( &sys.demuxer, "|   + Cues" );
5540         }
5541         else if( MKV_IS_ID( el, KaxCluster ) )
5542         {
5543             msg_Dbg( &sys.demuxer, "|   + Cluster" );
5544
5545             cluster = (KaxCluster*)el;
5546
5547             i_cluster_pos = i_start_pos = cluster->GetElementPosition();
5548             ParseCluster( );
5549
5550             ep->Down();
5551             /* stop parsing the stream */
5552             break;
5553         }
5554         else if( MKV_IS_ID( el, KaxAttachments ) )
5555         {
5556             msg_Dbg( &sys.demuxer, "|   + Attachments" );
5557             ParseAttachments( static_cast<KaxAttachments*>( el ) );
5558         }
5559         else if( MKV_IS_ID( el, KaxChapters ) )
5560         {
5561             msg_Dbg( &sys.demuxer, "|   + Chapters" );
5562             ParseChapters( static_cast<KaxChapters*>( el ) );
5563         }
5564         else if( MKV_IS_ID( el, KaxTag ) )
5565         {
5566             msg_Dbg( &sys.demuxer, "|   + Tags FIXME TODO" );
5567         }
5568         else
5569         {
5570             msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid(*el).name() );
5571         }
5572     }
5573
5574     b_preloaded = true;
5575
5576     return true;
5577 }
5578
5579 matroska_segment_c *demux_sys_t::FindSegment( const EbmlBinary & uid ) const
5580 {
5581     for (size_t i=0; i<opened_segments.size(); i++)
5582     {
5583         if ( *opened_segments[i]->p_segment_uid == uid )
5584             return opened_segments[i];
5585     }
5586     return NULL;
5587 }
5588
5589 chapter_item_c *demux_sys_t::BrowseCodecPrivate( unsigned int codec_id,
5590                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
5591                                         const void *p_cookie,
5592                                         size_t i_cookie_size,
5593                                         virtual_segment_c * &p_segment_found )
5594 {
5595     chapter_item_c *p_result = NULL;
5596     for (size_t i=0; i<used_segments.size(); i++)
5597     {
5598         p_result = used_segments[i]->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
5599         if ( p_result != NULL )
5600         {
5601             p_segment_found = used_segments[i];
5602             break;
5603         }
5604     }
5605     return p_result;
5606 }
5607
5608 chapter_item_c *demux_sys_t::FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found )
5609 {
5610     chapter_item_c *p_result = NULL;
5611     for (size_t i=0; i<used_segments.size(); i++)
5612     {
5613         p_result = used_segments[i]->FindChapter( i_find_uid );
5614         if ( p_result != NULL )
5615         {
5616             p_segment_found = used_segments[i];
5617             break;
5618         }
5619     }
5620     return p_result;
5621 }
5622
5623 void virtual_segment_c::Sort()
5624 {
5625     // keep the current segment index
5626     matroska_segment_c *p_segment = linked_segments[i_current_segment];
5627
5628     std::sort( linked_segments.begin(), linked_segments.end(), matroska_segment_c::CompareSegmentUIDs );
5629
5630     for ( i_current_segment=0; i_current_segment<linked_segments.size(); i_current_segment++)
5631         if ( linked_segments[i_current_segment] == p_segment )
5632             break;
5633 }
5634
5635 size_t virtual_segment_c::AddSegment( matroska_segment_c *p_segment )
5636 {
5637     size_t i;
5638     // check if it's not already in here
5639     for ( i=0; i<linked_segments.size(); i++ )
5640     {
5641         if ( linked_segments[i]->p_segment_uid != NULL
5642             && p_segment->p_segment_uid != NULL
5643             && *p_segment->p_segment_uid == *linked_segments[i]->p_segment_uid )
5644             return 0;
5645     }
5646
5647     // find possible mates
5648     for ( i=0; i<linked_uids.size(); i++ )
5649     {
5650         if (   (p_segment->p_segment_uid != NULL && *p_segment->p_segment_uid == linked_uids[i])
5651             || (p_segment->p_prev_segment_uid != NULL && *p_segment->p_prev_segment_uid == linked_uids[i])
5652             || (p_segment->p_next_segment_uid !=NULL && *p_segment->p_next_segment_uid == linked_uids[i]) )
5653         {
5654             linked_segments.push_back( p_segment );
5655
5656             AppendUID( p_segment->p_prev_segment_uid );
5657             AppendUID( p_segment->p_next_segment_uid );
5658
5659             return 1;
5660         }
5661     }
5662     return 0;
5663 }
5664
5665 void virtual_segment_c::PreloadLinked( )
5666 {
5667     for ( size_t i=0; i<linked_segments.size(); i++ )
5668     {
5669         linked_segments[i]->Preload( );
5670     }
5671     i_current_edition = linked_segments[0]->i_default_edition;
5672 }
5673
5674 mtime_t virtual_segment_c::Duration() const
5675 {
5676     mtime_t i_duration;
5677     if ( linked_segments.size() == 0 )
5678         i_duration = 0;
5679     else {
5680         matroska_segment_c *p_last_segment = linked_segments[linked_segments.size()-1];
5681 //        p_last_segment->ParseCluster( );
5682
5683         i_duration = p_last_segment->i_start_time / 1000 + p_last_segment->i_duration;
5684     }
5685     return i_duration;
5686 }
5687
5688 void virtual_segment_c::LoadCues( )
5689 {
5690     for ( size_t i=0; i<linked_segments.size(); i++ )
5691     {
5692         linked_segments[i]->LoadCues();
5693     }
5694 }
5695
5696 void virtual_segment_c::AppendUID( const EbmlBinary * p_UID )
5697 {
5698     if ( p_UID == NULL )
5699         return;
5700     if ( p_UID->GetBuffer() == NULL )
5701         return;
5702
5703     for (size_t i=0; i<linked_uids.size(); i++)
5704     {
5705         if ( *p_UID == linked_uids[i] )
5706             return;
5707     }
5708     linked_uids.push_back( *(KaxSegmentUID*)(p_UID) );
5709 }
5710
5711 void matroska_segment_c::Seek( mtime_t i_date, mtime_t i_time_offset )
5712 {
5713     KaxBlock    *block;
5714 #if LIBMATROSKA_VERSION >= 0x000800
5715     KaxSimpleBlock *simpleblock;
5716 #endif
5717     int         i_track_skipping;
5718     int64_t     i_block_duration;
5719     int64_t     i_block_ref1;
5720     int64_t     i_block_ref2;
5721     size_t      i_track;
5722     int64_t     i_seek_position = i_start_pos;
5723     int64_t     i_seek_time = i_start_time;
5724
5725     if ( i_index > 0 )
5726     {
5727         int i_idx = 0;
5728
5729         for( ; i_idx < i_index; i_idx++ )
5730         {
5731             if( p_indexes[i_idx].i_time + i_time_offset > i_date )
5732             {
5733                 break;
5734             }
5735         }
5736
5737         if( i_idx > 0 )
5738         {
5739             i_idx--;
5740         }
5741
5742         i_seek_position = p_indexes[i_idx].i_position;
5743         i_seek_time = p_indexes[i_idx].i_time;
5744     }
5745
5746     msg_Dbg( &sys.demuxer, "seek got "I64Fd" (%d%%)",
5747                 i_seek_time, (int)( 100 * i_seek_position / stream_Size( sys.demuxer.s ) ) );
5748
5749     es.I_O().setFilePointer( i_seek_position, seek_beginning );
5750
5751     delete ep;
5752     ep = new EbmlParser( &es, segment, &sys.demuxer );
5753     cluster = NULL;
5754
5755     sys.i_start_pts = i_date;
5756
5757     es_out_Control( sys.demuxer.out, ES_OUT_RESET_PCR );
5758
5759     /* now parse until key frame */
5760     i_track_skipping = 0;
5761     for( i_track = 0; i_track < tracks.size(); i_track++ )
5762     {
5763         if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5764         {
5765             tracks[i_track]->b_search_keyframe = VLC_TRUE;
5766             i_track_skipping++;
5767         }
5768         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_date );
5769     }
5770
5771
5772     while( i_track_skipping > 0 )
5773     {
5774 #if LIBMATROSKA_VERSION >= 0x000800
5775         if( BlockGet( block, simpleblock, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
5776 #else
5777         if( BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
5778 #endif
5779         {
5780             msg_Warn( &sys.demuxer, "cannot get block EOF?" );
5781
5782             return;
5783         }
5784         ep->Down();
5785
5786         for( i_track = 0; i_track < tracks.size(); i_track++ )
5787         {
5788 #if LIBMATROSKA_VERSION >= 0x000800
5789             if( (simpleblock && tracks[i_track]->i_number == simpleblock->TrackNum()) ||
5790                 (block && tracks[i_track]->i_number == block->TrackNum()) )
5791 #else
5792             if( tracks[i_track]->i_number == block->TrackNum() )
5793 #endif
5794             {
5795                 break;
5796             }
5797         }
5798
5799 #if LIBMATROSKA_VERSION >= 0x000800
5800         if( simpleblock )
5801             sys.i_pts = (sys.i_chapter_time + simpleblock->GlobalTimecode()) / (mtime_t) 1000;
5802         else
5803 #endif
5804             sys.i_pts = (sys.i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
5805
5806         if( i_track < tracks.size() )
5807         {
5808            if( sys.i_pts >= sys.i_start_pts )
5809             {
5810                 cluster = static_cast<KaxCluster*>(ep->UnGet( i_block_pos, i_cluster_pos ));
5811                 i_track_skipping = 0;
5812             }
5813             else if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5814             {
5815                 if( i_block_ref1 == 0 && tracks[i_track]->b_search_keyframe )
5816                 {
5817                     tracks[i_track]->b_search_keyframe = VLC_FALSE;
5818                     i_track_skipping--;
5819                 }
5820                 if( !tracks[i_track]->b_search_keyframe )
5821                 {
5822 #if LIBMATROSKA_VERSION >= 0x000800
5823                     BlockDecode( &sys.demuxer, block, simpleblock, sys.i_pts, 0, i_block_ref1 >= 0 || i_block_ref2 > 0 );
5824 #else
5825                     BlockDecode( &sys.demuxer, block, sys.i_pts, 0, i_block_ref1 >= 0 || i_block_ref2 > 0 );
5826 #endif
5827                 }
5828             }
5829         }
5830
5831         delete block;
5832     }
5833 }
5834
5835 void virtual_segment_c::Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter )
5836 {
5837     demux_sys_t *p_sys = demuxer.p_sys;
5838     size_t i;
5839
5840     // find the actual time for an ordered edition
5841     if ( psz_chapter == NULL )
5842     {
5843         if ( Edition() && Edition()->b_ordered )
5844         {
5845             /* 1st, we need to know in which chapter we are */
5846             psz_chapter = (*p_editions)[i_current_edition]->FindTimecode( i_date, psz_current_chapter );
5847         }
5848     }
5849
5850     if ( psz_chapter != NULL )
5851     {
5852         psz_current_chapter = psz_chapter;
5853         p_sys->i_chapter_time = i_time_offset = psz_chapter->i_user_start_time - psz_chapter->i_start_time;
5854         if ( psz_chapter->i_seekpoint_num > 0 )
5855         {
5856             demuxer.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
5857             demuxer.info.i_title = p_sys->i_current_title = i_sys_title;
5858             demuxer.info.i_seekpoint = psz_chapter->i_seekpoint_num - 1;
5859         }
5860     }
5861
5862     // find the best matching segment
5863     for ( i=0; i<linked_segments.size(); i++ )
5864     {
5865         if ( i_date < linked_segments[i]->i_start_time )
5866             break;
5867     }
5868
5869     if ( i > 0 )
5870         i--;
5871
5872     if ( i_current_segment != i  )
5873     {
5874         linked_segments[i_current_segment]->UnSelect();
5875         linked_segments[i]->Select( i_date );
5876         i_current_segment = i;
5877     }
5878
5879     linked_segments[i]->Seek( i_date, i_time_offset );
5880 }
5881
5882 void chapter_codec_cmds_c::AddCommand( const KaxChapterProcessCommand & command )
5883 {
5884     size_t i;
5885
5886     uint32 codec_time = uint32(-1);
5887     for( i = 0; i < command.ListSize(); i++ )
5888     {
5889         const EbmlElement *k = command[i];
5890
5891         if( MKV_IS_ID( k, KaxChapterProcessTime ) )
5892         {
5893             codec_time = uint32( *static_cast<const KaxChapterProcessTime*>( k ) );
5894             break;
5895         }
5896     }
5897
5898     for( i = 0; i < command.ListSize(); i++ )
5899     {
5900         const EbmlElement *k = command[i];
5901
5902         if( MKV_IS_ID( k, KaxChapterProcessData ) )
5903         {
5904             KaxChapterProcessData *p_data =  new KaxChapterProcessData( *static_cast<const KaxChapterProcessData*>( k ) );
5905             switch ( codec_time )
5906             {
5907             case 0:
5908                 during_cmds.push_back( p_data );
5909                 break;
5910             case 1:
5911                 enter_cmds.push_back( p_data );
5912                 break;
5913             case 2:
5914                 leave_cmds.push_back( p_data );
5915                 break;
5916             default:
5917                 delete p_data;
5918             }
5919         }
5920     }
5921 }
5922
5923 bool chapter_item_c::Enter( bool b_do_subs )
5924 {
5925     bool f_result = false;
5926     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5927     while ( index != codecs.end() )
5928     {
5929         f_result |= (*index)->Enter();
5930         index++;
5931     }
5932
5933     if ( b_do_subs )
5934     {
5935         // sub chapters
5936         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5937         while ( index_ != sub_chapters.end() )
5938         {
5939             f_result |= (*index_)->Enter( true );
5940             index_++;
5941         }
5942     }
5943     return f_result;
5944 }
5945
5946 bool chapter_item_c::Leave( bool b_do_subs )
5947 {
5948     bool f_result = false;
5949     b_is_leaving = true;
5950     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5951     while ( index != codecs.end() )
5952     {
5953         f_result |= (*index)->Leave();
5954         index++;
5955     }
5956
5957     if ( b_do_subs )
5958     {
5959         // sub chapters
5960         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5961         while ( index_ != sub_chapters.end() )
5962         {
5963             f_result |= (*index_)->Leave( true );
5964             index_++;
5965         }
5966     }
5967     b_is_leaving = false;
5968     return f_result;
5969 }
5970
5971 bool chapter_item_c::EnterAndLeave( chapter_item_c *p_item, bool b_final_enter )
5972 {
5973     chapter_item_c *p_common_parent = p_item;
5974
5975     // leave, up to a common parent
5976     while ( p_common_parent != NULL && !p_common_parent->ParentOf( *this ) )
5977     {
5978         if ( !p_common_parent->b_is_leaving && p_common_parent->Leave( false ) )
5979             return true;
5980         p_common_parent = p_common_parent->psz_parent;
5981     }
5982
5983     // enter from the parent to <this>
5984     if ( p_common_parent != NULL )
5985     {
5986         do
5987         {
5988             if ( p_common_parent == this )
5989                 return Enter( true );
5990
5991             for ( size_t i = 0; i<p_common_parent->sub_chapters.size(); i++ )
5992             {
5993                 if ( p_common_parent->sub_chapters[i]->ParentOf( *this ) )
5994                 {
5995                     p_common_parent = p_common_parent->sub_chapters[i];
5996                     if ( p_common_parent != this )
5997                         if ( p_common_parent->Enter( false ) )
5998                             return true;
5999
6000                     break;
6001                 }
6002             }
6003         } while ( 1 );
6004     }
6005
6006     if ( b_final_enter )
6007         return Enter( true );
6008     else
6009         return false;
6010 }
6011
6012 bool dvd_chapter_codec_c::Enter()
6013 {
6014     bool f_result = false;
6015     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
6016     while ( index != enter_cmds.end() )
6017     {
6018         if ( (*index)->GetSize() )
6019         {
6020             binary *p_data = (*index)->GetBuffer();
6021             size_t i_size = *p_data++;
6022             // avoid reading too much from the buffer
6023             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
6024             for ( ; i_size > 0; i_size--, p_data += 8 )
6025             {
6026                 msg_Dbg( &sys.demuxer, "Matroska DVD enter command" );
6027                 f_result |= sys.dvd_interpretor.Interpret( p_data );
6028             }
6029         }
6030         index++;
6031     }
6032     return f_result;
6033 }
6034
6035 bool dvd_chapter_codec_c::Leave()
6036 {
6037     bool f_result = false;
6038     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
6039     while ( index != leave_cmds.end() )
6040     {
6041         if ( (*index)->GetSize() )
6042         {
6043             binary *p_data = (*index)->GetBuffer();
6044             size_t i_size = *p_data++;
6045             // avoid reading too much from the buffer
6046             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
6047             for ( ; i_size > 0; i_size--, p_data += 8 )
6048             {
6049                 msg_Dbg( &sys.demuxer, "Matroska DVD leave command" );
6050                 f_result |= sys.dvd_interpretor.Interpret( p_data );
6051             }
6052         }
6053         index++;
6054     }
6055     return f_result;
6056 }
6057
6058 // see http://www.dvd-replica.com/DVD/vmcmdset.php for a description of DVD commands
6059 bool dvd_command_interpretor_c::Interpret( const binary * p_command, size_t i_size )
6060 {
6061     if ( i_size != 8 )
6062         return false;
6063
6064     virtual_segment_c *p_segment = NULL;
6065     chapter_item_c *p_chapter = NULL;
6066     bool f_result = false;
6067     uint16 i_command = ( p_command[0] << 8 ) + p_command[1];
6068
6069     // handle register tests if there are some
6070     if ( (i_command & 0xF0) != 0 )
6071     {
6072         bool b_test_positive = true;//(i_command & CMD_DVD_IF_NOT) == 0;
6073         bool b_test_value    = (i_command & CMD_DVD_TEST_VALUE) != 0;
6074         uint8 i_test = i_command & 0x70;
6075         uint16 i_value;
6076
6077         // see http://dvd.sourceforge.net/dvdinfo/vmi.html
6078         uint8  i_cr1;
6079         uint16 i_cr2;
6080         switch ( i_command >> 12 )
6081         {
6082         default:
6083             i_cr1 = p_command[3];
6084             i_cr2 = (p_command[4] << 8) + p_command[5];
6085             break;
6086         case 3:
6087         case 4:
6088         case 5:
6089             i_cr1 = p_command[6];
6090             i_cr2 = p_command[7];
6091             b_test_value = false;
6092             break;
6093         case 6:
6094         case 7:
6095             if ( ((p_command[1] >> 4) & 0x7) == 0)
6096             {
6097                 i_cr1 = p_command[2];
6098                 i_cr2 = (p_command[6] << 8) + p_command[7];
6099             }
6100             else
6101             {
6102                 i_cr1 = p_command[2];
6103                 i_cr2 = (p_command[6] << 8) + p_command[7];
6104             }
6105             break;
6106         }
6107
6108         if ( b_test_value )
6109             i_value = i_cr2;
6110         else
6111             i_value = GetPRM( i_cr2 );
6112
6113         switch ( i_test )
6114         {
6115         case CMD_DVD_IF_GPREG_EQUAL:
6116             // if equals
6117             msg_Dbg( &sys.demuxer, "IF %s EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6118             if (!( GetPRM( i_cr1 ) == i_value ))
6119             {
6120                 b_test_positive = false;
6121             }
6122             break;
6123         case CMD_DVD_IF_GPREG_NOT_EQUAL:
6124             // if not equals
6125             msg_Dbg( &sys.demuxer, "IF %s NOT EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6126             if (!( GetPRM( i_cr1 ) != i_value ))
6127             {
6128                 b_test_positive = false;
6129             }
6130             break;
6131         case CMD_DVD_IF_GPREG_INF:
6132             // if inferior
6133             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6134             if (!( GetPRM( i_cr1 ) < i_value ))
6135             {
6136                 b_test_positive = false;
6137             }
6138             break;
6139         case CMD_DVD_IF_GPREG_INF_EQUAL:
6140             // if inferior or equal
6141             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6142             if (!( GetPRM( i_cr1 ) <= i_value ))
6143             {
6144                 b_test_positive = false;
6145             }
6146             break;
6147         case CMD_DVD_IF_GPREG_AND:
6148             // if logical and
6149             msg_Dbg( &sys.demuxer, "IF %s & %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6150             if (!( GetPRM( i_cr1 ) & i_value ))
6151             {
6152                 b_test_positive = false;
6153             }
6154             break;
6155         case CMD_DVD_IF_GPREG_SUP:
6156             // if superior
6157             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6158             if (!( GetPRM( i_cr1 ) > i_value ))
6159             {
6160                 b_test_positive = false;
6161             }
6162             break;
6163         case CMD_DVD_IF_GPREG_SUP_EQUAL:
6164             // if superior or equal
6165             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6166             if (!( GetPRM( i_cr1 ) >= i_value ))
6167             {
6168                 b_test_positive = false;
6169             }
6170             break;
6171         }
6172
6173         if ( !b_test_positive )
6174             return false;
6175     }
6176
6177     // strip the test command
6178     i_command &= 0xFF0F;
6179
6180     switch ( i_command )
6181     {
6182     case CMD_DVD_NOP:
6183     case CMD_DVD_NOP2:
6184         {
6185             msg_Dbg( &sys.demuxer, "NOP" );
6186             break;
6187         }
6188     case CMD_DVD_BREAK:
6189         {
6190             msg_Dbg( &sys.demuxer, "Break" );
6191             // TODO
6192             break;
6193         }
6194     case CMD_DVD_JUMP_TT:
6195         {
6196             uint8 i_title = p_command[5];
6197             msg_Dbg( &sys.demuxer, "JumpTT %d", i_title );
6198
6199             // find in the ChapProcessPrivate matching this Title level
6200             p_chapter = sys.BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title), p_segment );
6201             if ( p_segment != NULL )
6202             {
6203                 sys.JumpTo( *p_segment, p_chapter );
6204                 f_result = true;
6205             }
6206
6207             break;
6208         }
6209     case CMD_DVD_CALLSS_VTSM1:
6210         {
6211             msg_Dbg( &sys.demuxer, "CallSS" );
6212             binary p_type;
6213             switch( (p_command[6] & 0xC0) >> 6 ) {
6214                 case 0:
6215                     p_type = p_command[5] & 0x0F;
6216                     switch ( p_type )
6217                     {
6218                     case 0x00:
6219                         msg_Dbg( &sys.demuxer, "CallSS PGC (rsm_cell %x)", p_command[4]);
6220                         break;
6221                     case 0x02:
6222                         msg_Dbg( &sys.demuxer, "CallSS Title Entry (rsm_cell %x)", p_command[4]);
6223                         break;
6224                     case 0x03:
6225                         msg_Dbg( &sys.demuxer, "CallSS Root Menu (rsm_cell %x)", p_command[4]);
6226                         break;
6227                     case 0x04:
6228                         msg_Dbg( &sys.demuxer, "CallSS Subpicture Menu (rsm_cell %x)", p_command[4]);
6229                         break;
6230                     case 0x05:
6231                         msg_Dbg( &sys.demuxer, "CallSS Audio Menu (rsm_cell %x)", p_command[4]);
6232                         break;
6233                     case 0x06:
6234                         msg_Dbg( &sys.demuxer, "CallSS Angle Menu (rsm_cell %x)", p_command[4]);
6235                         break;
6236                     case 0x07:
6237                         msg_Dbg( &sys.demuxer, "CallSS Chapter Menu (rsm_cell %x)", p_command[4]);
6238                         break;
6239                     default:
6240                         msg_Dbg( &sys.demuxer, "CallSS <unknown> (rsm_cell %x)", p_command[4]);
6241                         break;
6242                     }
6243                     p_chapter = sys.BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1, p_segment );
6244                     if ( p_segment != NULL )
6245                     {
6246                         sys.JumpTo( *p_segment, p_chapter );
6247                         f_result = true;
6248                     }
6249                 break;
6250                 case 1:
6251                     msg_Dbg( &sys.demuxer, "CallSS VMGM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
6252                 break;
6253                 case 2:
6254                     msg_Dbg( &sys.demuxer, "CallSS VTSM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
6255                 break;
6256                 case 3:
6257                     msg_Dbg( &sys.demuxer, "CallSS VMGM (pgc %d, rsm_cell %x)", (p_command[2] << 8) + p_command[3], p_command[4]);
6258                 break;
6259             }
6260             break;
6261         }
6262     case CMD_DVD_JUMP_SS:
6263         {
6264             msg_Dbg( &sys.demuxer, "JumpSS");
6265             binary p_type;
6266             switch( (p_command[5] & 0xC0) >> 6 ) {
6267                 case 0:
6268                     msg_Dbg( &sys.demuxer, "JumpSS FP");
6269                 break;
6270                 case 1:
6271                     p_type = p_command[5] & 0x0F;
6272                     switch ( p_type )
6273                     {
6274                     case 0x02:
6275                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Title Entry");
6276                         break;
6277                     case 0x03:
6278                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Root Menu");
6279                         break;
6280                     case 0x04:
6281                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Subpicture Menu");
6282                         break;
6283                     case 0x05:
6284                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Audio Menu");
6285                         break;
6286                     case 0x06:
6287                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Angle Menu");
6288                         break;
6289                     case 0x07:
6290                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Chapter Menu");
6291                         break;
6292                     default:
6293                         msg_Dbg( &sys.demuxer, "JumpSS <unknown>");
6294                         break;
6295                     }
6296                     // find the VMG
6297                     p_chapter = sys.BrowseCodecPrivate( 1, MatchIsVMG, NULL, 0, p_segment );
6298                     if ( p_segment != NULL )
6299                     {
6300                         p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
6301                         if ( p_chapter != NULL )
6302                         {
6303                             sys.JumpTo( *p_segment, p_chapter );
6304                             f_result = true;
6305                         }
6306                     }
6307                 break;
6308                 case 2:
6309                     p_type = p_command[5] & 0x0F;
6310                     switch ( p_type )
6311                     {
6312                     case 0x02:
6313                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Title Entry", p_command[4], p_command[3]);
6314                         break;
6315                     case 0x03:
6316                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Root Menu", p_command[4], p_command[3]);
6317                         break;
6318                     case 0x04:
6319                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Subpicture Menu", p_command[4], p_command[3]);
6320                         break;
6321                     case 0x05:
6322                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Audio Menu", p_command[4], p_command[3]);
6323                         break;
6324                     case 0x06:
6325                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Angle Menu", p_command[4], p_command[3]);
6326                         break;
6327                     case 0x07:
6328                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Chapter Menu", p_command[4], p_command[3]);
6329                         break;
6330                     default:
6331                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) <unknown>", p_command[4], p_command[3]);
6332                         break;
6333                     }
6334
6335                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSMNumber, &p_command[4], 1, p_segment );
6336
6337                     if ( p_segment != NULL && p_chapter != NULL )
6338                     {
6339                         // find the title in the VTS
6340                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &p_command[3], 1 );
6341                         if ( p_chapter != NULL )
6342                         {
6343                             // find the specified menu in the VTSM
6344                             p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
6345                             if ( p_chapter != NULL )
6346                             {
6347                                 sys.JumpTo( *p_segment, p_chapter );
6348                                 f_result = true;
6349                             }
6350                         }
6351                         else
6352                             msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", p_command[3] );
6353                     }
6354                     else
6355                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", p_command[4] );
6356                 break;
6357                 case 3:
6358                     msg_Dbg( &sys.demuxer, "JumpSS VMGM (pgc %d)", (p_command[2] << 8) + p_command[3]);
6359                 break;
6360             }
6361             break;
6362         }
6363     case CMD_DVD_JUMPVTS_PTT:
6364         {
6365             uint8 i_title = p_command[5];
6366             uint8 i_ptt = p_command[3];
6367
6368             msg_Dbg( &sys.demuxer, "JumpVTS Title (%d) PTT (%d)", i_title, i_ptt);
6369
6370             // find the current VTS content segment
6371             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchIsDomain, NULL, 0 );
6372             if ( p_chapter != NULL )
6373             {
6374                 int16 i_curr_title = p_chapter->GetTitleNumber( );
6375                 if ( i_curr_title > 0 )
6376                 {
6377                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSNumber, &i_curr_title, sizeof(i_curr_title), p_segment );
6378
6379                     if ( p_segment != NULL && p_chapter != NULL )
6380                     {
6381                         // find the title in the VTS
6382                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title) );
6383                         if ( p_chapter != NULL )
6384                         {
6385                             // find the chapter in the title
6386                             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchChapterNumber, &i_ptt, sizeof(i_ptt) );
6387                             if ( p_chapter != NULL )
6388                             {
6389                                 sys.JumpTo( *p_segment, p_chapter );
6390                                 f_result = true;
6391                             }
6392                         }
6393                     else
6394                         msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", i_title );
6395                     }
6396                     else
6397                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", i_curr_title );
6398                 }
6399                 else
6400                     msg_Dbg( &sys.demuxer, "JumpVTS_PTT command found but not in a VTS(M)");
6401             }
6402             else
6403                 msg_Dbg( &sys.demuxer, "JumpVTS_PTT command but the DVD domain wasn't found");
6404             break;
6405         }
6406     case CMD_DVD_SET_GPRMMD:
6407         {
6408             msg_Dbg( &sys.demuxer, "Set GPRMMD [%d]=%d", (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3]);
6409
6410             if ( !SetGPRM( (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3] ) )
6411                 msg_Dbg( &sys.demuxer, "Set GPRMMD failed" );
6412             break;
6413         }
6414     case CMD_DVD_LINKPGCN:
6415         {
6416             uint16 i_pgcn = (p_command[6] << 8) + p_command[7];
6417
6418             msg_Dbg( &sys.demuxer, "Link PGCN(%d)", i_pgcn );
6419             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchPgcNumber, &i_pgcn, 2 );
6420             if ( p_chapter != NULL )
6421             {
6422                 if ( !p_chapter->Enter( true ) )
6423                     // jump to the location in the found segment
6424                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6425
6426                 f_result = true;
6427             }
6428             break;
6429         }
6430     case CMD_DVD_LINKCN:
6431         {
6432             uint8 i_cn = p_command[7];
6433
6434             p_chapter = sys.p_current_segment->CurrentChapter();
6435
6436             msg_Dbg( &sys.demuxer, "LinkCN (cell %d)", i_cn );
6437             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchCellNumber, &i_cn, 1 );
6438             if ( p_chapter != NULL )
6439             {
6440                 if ( !p_chapter->Enter( true ) )
6441                     // jump to the location in the found segment
6442                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6443
6444                 f_result = true;
6445             }
6446             break;
6447         }
6448     case CMD_DVD_GOTO_LINE:
6449         {
6450             msg_Dbg( &sys.demuxer, "GotoLine (%d)", (p_command[6] << 8) + p_command[7] );
6451             // TODO
6452             break;
6453         }
6454     case CMD_DVD_SET_HL_BTNN1:
6455         {
6456             msg_Dbg( &sys.demuxer, "SetHL_BTN (%d)", p_command[4] );
6457             SetSPRM( 0x88, p_command[4] );
6458             break;
6459         }
6460     default:
6461         {
6462             msg_Dbg( &sys.demuxer, "unsupported command : %02X %02X %02X %02X %02X %02X %02X %02X"
6463                      ,p_command[0]
6464                      ,p_command[1]
6465                      ,p_command[2]
6466                      ,p_command[3]
6467                      ,p_command[4]
6468                      ,p_command[5]
6469                      ,p_command[6]
6470                      ,p_command[7]);
6471             break;
6472         }
6473     }
6474
6475     return f_result;
6476 }
6477
6478 bool dvd_command_interpretor_c::MatchIsDomain( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6479 {
6480     return ( data.p_private_data != NULL && data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS );
6481 }
6482
6483 bool dvd_command_interpretor_c::MatchIsVMG( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6484 {
6485     if ( data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
6486         return false;
6487
6488     return ( data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS && data.p_private_data->GetBuffer()[1] == 0xC0);
6489 }
6490
6491 bool dvd_command_interpretor_c::MatchVTSNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6492 {
6493     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6494         return false;
6495
6496     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x80 )
6497         return false;
6498
6499     uint16 i_gtitle = (data.p_private_data->GetBuffer()[2] << 8 ) + data.p_private_data->GetBuffer()[3];
6500     uint16 i_title = *(uint16*)p_cookie;
6501
6502     return (i_gtitle == i_title);
6503 }
6504
6505 bool dvd_command_interpretor_c::MatchVTSMNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6506 {
6507     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6508         return false;
6509
6510     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x40 )
6511         return false;
6512
6513     uint8 i_gtitle = data.p_private_data->GetBuffer()[3];
6514     uint8 i_title = *(uint8*)p_cookie;
6515
6516     return (i_gtitle == i_title);
6517 }
6518
6519 bool dvd_command_interpretor_c::MatchTitleNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6520 {
6521     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6522         return false;
6523
6524     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_TT )
6525         return false;
6526
6527     uint16 i_gtitle = (data.p_private_data->GetBuffer()[1] << 8 ) + data.p_private_data->GetBuffer()[2];
6528     uint8 i_title = *(uint8*)p_cookie;
6529
6530     return (i_gtitle == i_title);
6531 }
6532
6533 bool dvd_command_interpretor_c::MatchPgcType( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6534 {
6535     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6536         return false;
6537
6538     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6539         return false;
6540
6541     uint8 i_pgc_type = data.p_private_data->GetBuffer()[3] & 0x0F;
6542     uint8 i_pgc = *(uint8*)p_cookie;
6543
6544     return (i_pgc_type == i_pgc);
6545 }
6546
6547 bool dvd_command_interpretor_c::MatchPgcNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6548 {
6549     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6550         return false;
6551
6552     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6553         return false;
6554
6555     uint16 *i_pgc_n = (uint16 *)p_cookie;
6556     uint16 i_pgc_num = (data.p_private_data->GetBuffer()[1] << 8) + data.p_private_data->GetBuffer()[2];
6557
6558     return (i_pgc_num == *i_pgc_n);
6559 }
6560
6561 bool dvd_command_interpretor_c::MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6562 {
6563     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
6564         return false;
6565
6566     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PTT )
6567         return false;
6568
6569     uint8 i_chapter = data.p_private_data->GetBuffer()[1];
6570     uint8 i_ptt = *(uint8*)p_cookie;
6571
6572     return (i_chapter == i_ptt);
6573 }
6574
6575 bool dvd_command_interpretor_c::MatchCellNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6576 {
6577     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 5 )
6578         return false;
6579
6580     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_CN )
6581         return false;
6582
6583     uint8 *i_cell_n = (uint8 *)p_cookie;
6584     uint8 i_cell_num = data.p_private_data->GetBuffer()[3];
6585
6586     return (i_cell_num == *i_cell_n);
6587 }
6588
6589 bool matroska_script_codec_c::Enter()
6590 {
6591     bool f_result = false;
6592     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
6593     while ( index != enter_cmds.end() )
6594     {
6595         if ( (*index)->GetSize() )
6596         {
6597             msg_Dbg( &sys.demuxer, "Matroska Script enter command" );
6598             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6599         }
6600         index++;
6601     }
6602     return f_result;
6603 }
6604
6605 bool matroska_script_codec_c::Leave()
6606 {
6607     bool f_result = false;
6608     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
6609     while ( index != leave_cmds.end() )
6610     {
6611         if ( (*index)->GetSize() )
6612         {
6613             msg_Dbg( &sys.demuxer, "Matroska Script leave command" );
6614             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6615         }
6616         index++;
6617     }
6618     return f_result;
6619 }
6620
6621 // see http://www.matroska.org/technical/specs/chapters/index.html#mscript
6622 //  for a description of existing commands
6623 bool matroska_script_interpretor_c::Interpret( const binary * p_command, size_t i_size )
6624 {
6625     bool b_result = false;
6626
6627     char *psz_str = (char*) malloc( i_size + 1 );
6628     memcpy( psz_str, p_command, i_size );
6629     psz_str[ i_size ] = '\0';
6630
6631     std::string sz_command = psz_str;
6632     free( psz_str );
6633
6634     msg_Dbg( &sys.demuxer, "command : %s", sz_command.c_str() );
6635
6636 #if defined(__GNUC__) && (__GNUC__ < 3)
6637     if ( sz_command.compare( CMD_MS_GOTO_AND_PLAY, 0, CMD_MS_GOTO_AND_PLAY.size() ) == 0 )
6638 #else
6639     if ( sz_command.compare( 0, CMD_MS_GOTO_AND_PLAY.size(), CMD_MS_GOTO_AND_PLAY ) == 0 )
6640 #endif
6641     {
6642         size_t i,j;
6643
6644         // find the (
6645         for ( i=CMD_MS_GOTO_AND_PLAY.size(); i<sz_command.size(); i++)
6646         {
6647             if ( sz_command[i] == '(' )
6648             {
6649                 i++;
6650                 break;
6651             }
6652         }
6653         // find the )
6654         for ( j=i; j<sz_command.size(); j++)
6655         {
6656             if ( sz_command[j] == ')' )
6657             {
6658                 i--;
6659                 break;
6660             }
6661         }
6662
6663         std::string st = sz_command.substr( i+1, j-i-1 );
6664         int64_t i_chapter_uid = atoi( st.c_str() );
6665
6666         virtual_segment_c *p_segment;
6667         chapter_item_c *p_chapter = sys.FindChapter( i_chapter_uid, p_segment );
6668
6669         if ( p_chapter == NULL )
6670             msg_Dbg( &sys.demuxer, "Chapter "I64Fd" not found", i_chapter_uid);
6671         else
6672         {
6673             if ( !p_chapter->EnterAndLeave( sys.p_current_segment->CurrentChapter() ) )
6674                 p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6675             b_result = true;
6676         }
6677     }
6678
6679     return b_result;
6680 }
6681
6682 void demux_sys_t::SwapButtons()
6683 {
6684 #ifndef WORDS_BIGENDIAN
6685     uint8_t button, i, j;
6686
6687     for( button = 1; button <= pci_packet.hli.hl_gi.btn_ns; button++) {
6688         btni_t *button_ptr = &(pci_packet.hli.btnit[button-1]);
6689         binary *p_data = (binary*) button_ptr;
6690
6691         uint16 i_x_start = ((p_data[0] & 0x3F) << 4 ) + ( p_data[1] >> 4 );
6692         uint16 i_x_end   = ((p_data[1] & 0x03) << 8 ) + p_data[2];
6693         uint16 i_y_start = ((p_data[3] & 0x3F) << 4 ) + ( p_data[4] >> 4 );
6694         uint16 i_y_end   = ((p_data[4] & 0x03) << 8 ) + p_data[5];
6695         button_ptr->x_start = i_x_start;
6696         button_ptr->x_end   = i_x_end;
6697         button_ptr->y_start = i_y_start;
6698         button_ptr->y_end   = i_y_end;
6699
6700     }
6701     for ( i = 0; i<3; i++ )
6702     {
6703         for ( j = 0; j<2; j++ )
6704         {
6705             pci_packet.hli.btn_colit.btn_coli[i][j] = U32_AT( &pci_packet.hli.btn_colit.btn_coli[i][j] );
6706         }
6707     }
6708 #endif
6709 }