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_REAL/RV", 9 ) )
2336         {
2337             if( !strcmp( tracks[i_track]->psz_codec, "V_REAL/RV10" ) )
2338                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'R', 'V', '1', '0' );
2339             else if( !strcmp( tracks[i_track]->psz_codec, "V_REAL/RV20" ) )
2340                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'R', 'V', '2', '0' );
2341             else if( !strcmp( tracks[i_track]->psz_codec, "V_REAL/RV30" ) )
2342                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'R', 'V', '3', '0' );
2343             else if( !strcmp( tracks[i_track]->psz_codec, "V_REAL/RV40" ) )
2344                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'R', 'V', '4', '0' );
2345         }
2346         else if( !strncmp( tracks[i_track]->psz_codec, "V_MPEG4", 7 ) )
2347         {
2348             if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/MS/V3" ) )
2349             {
2350                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'D', 'I', 'V', '3' );
2351             }
2352             else if( !strncmp( tracks[i_track]->psz_codec, "V_MPEG4/ISO", 11 ) )
2353             {
2354                 /* A MPEG 4 codec, SP, ASP, AP or AVC */
2355                 if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/ISO/AVC" ) )
2356                     tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'v', 'c', '1' );
2357                 else
2358                     tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' );
2359                 tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2360                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2361                 memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2362             }
2363         }
2364         else if( !strcmp( tracks[i_track]->psz_codec, "V_QUICKTIME" ) )
2365         {
2366             MP4_Box_t *p_box = (MP4_Box_t*)malloc( sizeof( MP4_Box_t ) );
2367             stream_t *p_mp4_stream = stream_MemoryNew( VLC_OBJECT(&sys.demuxer),
2368                                                        tracks[i_track]->p_extra_data,
2369                                                        tracks[i_track]->i_extra_data,
2370                                                        VLC_FALSE );
2371             MP4_ReadBoxCommon( p_mp4_stream, p_box );
2372             MP4_ReadBox_sample_vide( p_mp4_stream, p_box );
2373             tracks[i_track]->fmt.i_codec = p_box->i_type;
2374             tracks[i_track]->fmt.video.i_width = p_box->data.p_sample_vide->i_width;
2375             tracks[i_track]->fmt.video.i_height = p_box->data.p_sample_vide->i_height;
2376             tracks[i_track]->fmt.i_extra = p_box->data.p_sample_vide->i_qt_image_description;
2377             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2378             memcpy( tracks[i_track]->fmt.p_extra, p_box->data.p_sample_vide->p_qt_image_description, tracks[i_track]->fmt.i_extra );
2379             MP4_FreeBox_sample_vide( p_box );
2380             stream_Delete( p_mp4_stream );
2381         }
2382         else if( !strcmp( tracks[i_track]->psz_codec, "A_MS/ACM" ) )
2383         {
2384             if( tracks[i_track]->i_extra_data < (int)sizeof( WAVEFORMATEX ) )
2385             {
2386                 msg_Err( &sys.demuxer, "missing/invalid WAVEFORMATEX" );
2387                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2388             }
2389             else
2390             {
2391                 WAVEFORMATEX *p_wf = (WAVEFORMATEX*)tracks[i_track]->p_extra_data;
2392
2393                 wf_tag_to_fourcc( GetWLE( &p_wf->wFormatTag ), &tracks[i_track]->fmt.i_codec, NULL );
2394
2395                 tracks[i_track]->fmt.audio.i_channels   = GetWLE( &p_wf->nChannels );
2396                 tracks[i_track]->fmt.audio.i_rate = GetDWLE( &p_wf->nSamplesPerSec );
2397                 tracks[i_track]->fmt.i_bitrate    = GetDWLE( &p_wf->nAvgBytesPerSec ) * 8;
2398                 tracks[i_track]->fmt.audio.i_blockalign = GetWLE( &p_wf->nBlockAlign );;
2399                 tracks[i_track]->fmt.audio.i_bitspersample = GetWLE( &p_wf->wBitsPerSample );
2400
2401                 tracks[i_track]->fmt.i_extra            = GetWLE( &p_wf->cbSize );
2402                 if( tracks[i_track]->fmt.i_extra > 0 )
2403                 {
2404                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2405                     memcpy( tracks[i_track]->fmt.p_extra, &p_wf[1], tracks[i_track]->fmt.i_extra );
2406                 }
2407             }
2408         }
2409         else if( !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L3" ) ||
2410                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L2" ) ||
2411                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L1" ) )
2412         {
2413             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' );
2414         }
2415         else if( !strcmp( tracks[i_track]->psz_codec, "A_AC3" ) )
2416         {
2417             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' );
2418         }
2419         else if( !strcmp( tracks[i_track]->psz_codec, "A_DTS" ) )
2420         {
2421             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'd', 't', 's', ' ' );
2422         }
2423         else if( !strcmp( tracks[i_track]->psz_codec, "A_FLAC" ) )
2424         {
2425             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'f', 'l', 'a', 'c' );
2426             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2427             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2428             memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2429         }
2430         else if( !strcmp( tracks[i_track]->psz_codec, "A_VORBIS" ) )
2431         {
2432             int i, i_offset = 1, i_size[3], i_extra;
2433             uint8_t *p_extra;
2434
2435             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'v', 'o', 'r', 'b' );
2436
2437             /* Split the 3 headers */
2438             if( tracks[i_track]->p_extra_data[0] != 0x02 )
2439                 msg_Err( &sys.demuxer, "invalid vorbis header" );
2440
2441             for( i = 0; i < 2; i++ )
2442             {
2443                 i_size[i] = 0;
2444                 while( i_offset < tracks[i_track]->i_extra_data )
2445                 {
2446                     i_size[i] += tracks[i_track]->p_extra_data[i_offset];
2447                     if( tracks[i_track]->p_extra_data[i_offset++] != 0xff ) break;
2448                 }
2449             }
2450
2451             i_size[0] = __MIN(i_size[0], tracks[i_track]->i_extra_data - i_offset);
2452             i_size[1] = __MIN(i_size[1], tracks[i_track]->i_extra_data -i_offset -i_size[0]);
2453             i_size[2] = tracks[i_track]->i_extra_data - i_offset - i_size[0] - i_size[1];
2454
2455             tracks[i_track]->fmt.i_extra = 3 * 2 + i_size[0] + i_size[1] + i_size[2];
2456             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2457             p_extra = (uint8_t *)tracks[i_track]->fmt.p_extra; i_extra = 0;
2458             for( i = 0; i < 3; i++ )
2459             {
2460                 *(p_extra++) = i_size[i] >> 8;
2461                 *(p_extra++) = i_size[i] & 0xFF;
2462                 memcpy( p_extra, tracks[i_track]->p_extra_data + i_offset + i_extra,
2463                         i_size[i] );
2464                 p_extra += i_size[i];
2465                 i_extra += i_size[i];
2466             }
2467         }
2468         else if( !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG2/", strlen( "A_AAC/MPEG2/" ) ) ||
2469                  !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG4/", strlen( "A_AAC/MPEG4/" ) ) )
2470         {
2471             int i_profile, i_srate, sbr = 0;
2472             static unsigned int i_sample_rates[] =
2473             {
2474                     96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050,
2475                         16000, 12000, 11025, 8000,  7350,  0,     0,     0
2476             };
2477
2478             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
2479             /* create data for faad (MP4DecSpecificDescrTag)*/
2480
2481             if( !strcmp( &tracks[i_track]->psz_codec[12], "MAIN" ) )
2482             {
2483                 i_profile = 0;
2484             }
2485             else if( !strcmp( &tracks[i_track]->psz_codec[12], "LC" ) )
2486             {
2487                 i_profile = 1;
2488             }
2489             else if( !strcmp( &tracks[i_track]->psz_codec[12], "SSR" ) )
2490             {
2491                 i_profile = 2;
2492             }
2493             else if( !strcmp( &tracks[i_track]->psz_codec[12], "LC/SBR" ) )
2494             {
2495                 i_profile = 1;
2496                 sbr = 1;
2497             }
2498             else
2499             {
2500                 i_profile = 3;
2501             }
2502
2503             for( i_srate = 0; i_srate < 13; i_srate++ )
2504             {
2505                 if( i_sample_rates[i_srate] == tracks[i_track]->i_original_rate )
2506                 {
2507                     break;
2508                 }
2509             }
2510             msg_Dbg( &sys.demuxer, "profile=%d srate=%d", i_profile, i_srate );
2511
2512             tracks[i_track]->fmt.i_extra = sbr ? 5 : 2;
2513             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2514             ((uint8_t*)tracks[i_track]->fmt.p_extra)[0] = ((i_profile + 1) << 3) | ((i_srate&0xe) >> 1);
2515             ((uint8_t*)tracks[i_track]->fmt.p_extra)[1] = ((i_srate & 0x1) << 7) | (tracks[i_track]->fmt.audio.i_channels << 3);
2516             if (sbr != 0)
2517             {
2518                 int syncExtensionType = 0x2B7;
2519                 int iDSRI;
2520                 for (iDSRI=0; iDSRI<13; iDSRI++)
2521                     if( i_sample_rates[iDSRI] == tracks[i_track]->fmt.audio.i_rate )
2522                         break;
2523                 ((uint8_t*)tracks[i_track]->fmt.p_extra)[2] = (syncExtensionType >> 3) & 0xFF;
2524                 ((uint8_t*)tracks[i_track]->fmt.p_extra)[3] = ((syncExtensionType & 0x7) << 5) | 5;
2525                 ((uint8_t*)tracks[i_track]->fmt.p_extra)[4] = ((1 & 0x1) << 7) | (iDSRI << 3);
2526             }
2527         }
2528         else if( !strcmp( tracks[i_track]->psz_codec, "A_AAC" ) )
2529         {
2530             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
2531             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2532             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2533             memcpy( tracks[i_track]->fmt.p_extra, tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2534         }
2535         else if( !strcmp( tracks[i_track]->psz_codec, "A_WAVPACK4" ) )
2536         {
2537             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'W', 'V', 'P', 'K' );
2538             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2539             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2540             memcpy( tracks[i_track]->fmt.p_extra, tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2541         }
2542         else if( !strcmp( tracks[i_track]->psz_codec, "A_TTA1" ) )
2543         {
2544             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'T', 'T', 'A', '1' );
2545             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2546             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2547             memcpy( tracks[i_track]->fmt.p_extra, tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2548         }
2549         else if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) ||
2550                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/LIT" ) ||
2551                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/FLOAT/IEEE" ) )
2552         {
2553             if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) )
2554             {
2555                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
2556             }
2557             else
2558             {
2559                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
2560             }
2561             tracks[i_track]->fmt.audio.i_blockalign = ( tracks[i_track]->fmt.audio.i_bitspersample + 7 ) / 8 * tracks[i_track]->fmt.audio.i_channels;
2562         }
2563         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/UTF8" ) )
2564         {
2565             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 'u', 'b', 't' );
2566             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2567         }
2568         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/USF" ) )
2569         {
2570             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 's', 'f', ' ' );
2571             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2572             if( tracks[i_track]->i_extra_data )
2573             {
2574                 tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2575                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2576                 memcpy( tracks[i_track]->fmt.p_extra, tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2577             }
2578         }
2579         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/SSA" ) ||
2580                  !strcmp( tracks[i_track]->psz_codec, "S_TEXT/ASS" ) ||
2581                  !strcmp( tracks[i_track]->psz_codec, "S_SSA" ) ||
2582                  !strcmp( tracks[i_track]->psz_codec, "S_ASS" ))
2583         {
2584             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 's', 'a', ' ' );
2585             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2586             if( tracks[i_track]->i_extra_data )
2587             {
2588                 tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2589                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2590                 memcpy( tracks[i_track]->fmt.p_extra, tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2591             }
2592         }
2593         else if( !strcmp( tracks[i_track]->psz_codec, "S_VOBSUB" ) )
2594         {
2595             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's','p','u',' ' );
2596             if( tracks[i_track]->i_extra_data )
2597             {
2598                 char *p_start;
2599                 char *p_buf = (char *)malloc( tracks[i_track]->i_extra_data + 1);
2600                 memcpy( p_buf, tracks[i_track]->p_extra_data , tracks[i_track]->i_extra_data );
2601                 p_buf[tracks[i_track]->i_extra_data] = '\0';
2602
2603                 p_start = strstr( p_buf, "size:" );
2604                 if( sscanf( p_start, "size: %dx%d",
2605                         &tracks[i_track]->fmt.subs.spu.i_original_frame_width, &tracks[i_track]->fmt.subs.spu.i_original_frame_height ) == 2 )
2606                 {
2607                     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 );
2608                 }
2609                 else
2610                 {
2611                     msg_Warn( &sys.demuxer, "reading original frame size for vobsub failed" );
2612                 }
2613                 free( p_buf );
2614             }
2615         }
2616         else if( !strcmp( tracks[i_track]->psz_codec, "B_VOBBTN" ) )
2617         {
2618             tracks[i_track]->fmt.i_cat = NAV_ES;
2619             continue;
2620         }
2621         else
2622         {
2623             msg_Err( &sys.demuxer, "unknown codec id=`%s'", tracks[i_track]->psz_codec );
2624             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2625         }
2626         if( tracks[i_track]->b_default )
2627         {
2628             tracks[i_track]->fmt.i_priority = 1000;
2629         }
2630
2631         tracks[i_track]->p_es = es_out_Add( sys.demuxer.out, &tracks[i_track]->fmt );
2632
2633         /* Turn on a subtitles track if it has been flagged as default -
2634          * but only do this if no subtitles track has already been engaged,
2635          * either by an earlier 'default track' (??) or by default
2636          * language choice behaviour.
2637          */
2638         if( tracks[i_track]->b_default )
2639         {
2640             es_out_Control( sys.demuxer.out,
2641                             ES_OUT_SET_DEFAULT,
2642                             tracks[i_track]->p_es );
2643         }
2644
2645         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_start_time );
2646     }
2647
2648     sys.i_start_pts = i_start_time;
2649     // reset the stream reading to the first cluster of the segment used
2650     es.I_O().setFilePointer( i_start_pos );
2651
2652     delete ep;
2653     ep = new EbmlParser( &es, segment, &sys.demuxer );
2654
2655     return true;
2656 }
2657
2658 void demux_sys_t::StartUiThread()
2659 {
2660     if ( !b_ui_hooked )
2661     {
2662         msg_Dbg( &demuxer, "Starting the UI Hook" );
2663         b_ui_hooked = true;
2664         /* FIXME hack hack hack hack FIXME */
2665         /* Get p_input and create variable */
2666         p_input = (input_thread_t *) vlc_object_find( &demuxer, VLC_OBJECT_INPUT, FIND_PARENT );
2667         var_Create( p_input, "x-start", VLC_VAR_INTEGER );
2668         var_Create( p_input, "y-start", VLC_VAR_INTEGER );
2669         var_Create( p_input, "x-end", VLC_VAR_INTEGER );
2670         var_Create( p_input, "y-end", VLC_VAR_INTEGER );
2671         var_Create( p_input, "color", VLC_VAR_ADDRESS );
2672         var_Create( p_input, "menu-palette", VLC_VAR_ADDRESS );
2673         var_Create( p_input, "highlight", VLC_VAR_BOOL );
2674         var_Create( p_input, "highlight-mutex", VLC_VAR_MUTEX );
2675
2676         /* Now create our event thread catcher */
2677         p_ev = (event_thread_t *) vlc_object_create( &demuxer, sizeof( event_thread_t ) );
2678         p_ev->p_demux = &demuxer;
2679         p_ev->b_die = VLC_FALSE;
2680         vlc_mutex_init( p_ev, &p_ev->lock );
2681         vlc_thread_create( p_ev, "mkv event thread handler", EventThread,
2682                         VLC_THREAD_PRIORITY_LOW, VLC_FALSE );
2683     }
2684 }
2685
2686 void demux_sys_t::StopUiThread()
2687 {
2688     if ( b_ui_hooked )
2689     {
2690         vlc_object_kill( p_ev );
2691         vlc_thread_join( p_ev );
2692         vlc_object_destroy( p_ev );
2693
2694         p_ev = NULL;
2695
2696         var_Destroy( p_input, "highlight-mutex" );
2697         var_Destroy( p_input, "highlight" );
2698         var_Destroy( p_input, "x-start" );
2699         var_Destroy( p_input, "x-end" );
2700         var_Destroy( p_input, "y-start" );
2701         var_Destroy( p_input, "y-end" );
2702         var_Destroy( p_input, "color" );
2703         var_Destroy( p_input, "menu-palette" );
2704
2705         vlc_object_release( p_input );
2706
2707         msg_Dbg( &demuxer, "Stopping the UI Hook" );
2708     }
2709     b_ui_hooked = false;
2710 }
2711
2712 int demux_sys_t::EventMouse( vlc_object_t *p_this, char const *psz_var,
2713                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
2714 {
2715     event_thread_t *p_ev = (event_thread_t *) p_data;
2716     vlc_mutex_lock( &p_ev->lock );
2717     if( psz_var[6] == 'c' )
2718     {
2719         p_ev->b_clicked = VLC_TRUE;
2720         msg_Dbg( p_this, "Event Mouse: clicked");
2721     }
2722     else if( psz_var[6] == 'm' )
2723         p_ev->b_moved = VLC_TRUE;
2724     vlc_mutex_unlock( &p_ev->lock );
2725
2726     return VLC_SUCCESS;
2727 }
2728
2729 int demux_sys_t::EventKey( vlc_object_t *p_this, char const *psz_var,
2730                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
2731 {
2732     event_thread_t *p_ev = (event_thread_t *) p_data;
2733     vlc_mutex_lock( &p_ev->lock );
2734     p_ev->b_key = VLC_TRUE;
2735     vlc_mutex_unlock( &p_ev->lock );
2736     msg_Dbg( p_this, "Event Key");
2737
2738     return VLC_SUCCESS;
2739 }
2740
2741 int demux_sys_t::EventThread( vlc_object_t *p_this )
2742 {
2743     event_thread_t *p_ev = (event_thread_t*)p_this;
2744     demux_sys_t    *p_sys = p_ev->p_demux->p_sys;
2745     vlc_object_t   *p_vout = NULL;
2746
2747     p_ev->b_moved   = VLC_FALSE;
2748     p_ev->b_clicked = VLC_FALSE;
2749     p_ev->b_key     = VLC_FALSE;
2750
2751     /* catch all key event */
2752     var_AddCallback( p_ev->p_libvlc, "key-pressed", EventKey, p_ev );
2753
2754     /* main loop */
2755     while( !p_ev->b_die )
2756     {
2757         if ( !p_sys->b_pci_packet_set )
2758         {
2759             /* Wait 100ms */
2760             msleep( 100000 );
2761             continue;
2762         }
2763
2764         vlc_bool_t b_activated = VLC_FALSE;
2765
2766         /* KEY part */
2767         if( p_ev->b_key )
2768         {
2769             vlc_value_t valk;
2770             struct libvlc_int_t::hotkey *p_hotkeys = p_ev->p_libvlc->p_hotkeys;
2771             int i, i_action = -1;
2772
2773             msg_Dbg( p_ev->p_demux, "Handle Key Event");
2774
2775             vlc_mutex_lock( &p_ev->lock );
2776
2777             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2778
2779             var_Get( p_ev->p_libvlc, "key-pressed", &valk );
2780             for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
2781             {
2782                 if( p_hotkeys[i].i_key == valk.i_int )
2783                 {
2784                     i_action = p_hotkeys[i].i_action;
2785                 }
2786             }
2787
2788             uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2789
2790             switch( i_action )
2791             {
2792             case ACTIONID_NAV_LEFT:
2793                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2794                 {
2795                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2796                     if ( p_button_ptr->left > 0 && p_button_ptr->left <= pci->hli.hl_gi.btn_ns )
2797                     {
2798                         i_curr_button = p_button_ptr->left;
2799                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2800                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2801                         if ( button_ptr.auto_action_mode )
2802                         {
2803                             vlc_mutex_unlock( &p_ev->lock );
2804                             vlc_mutex_lock( &p_sys->lock_demuxer );
2805
2806                             // process the button action
2807                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2808
2809                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2810                             vlc_mutex_lock( &p_ev->lock );
2811                         }
2812                     }
2813                 }
2814                 break;
2815             case ACTIONID_NAV_RIGHT:
2816                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2817                 {
2818                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2819                     if ( p_button_ptr->right > 0 && p_button_ptr->right <= pci->hli.hl_gi.btn_ns )
2820                     {
2821                         i_curr_button = p_button_ptr->right;
2822                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2823                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2824                         if ( button_ptr.auto_action_mode )
2825                         {
2826                             vlc_mutex_unlock( &p_ev->lock );
2827                             vlc_mutex_lock( &p_sys->lock_demuxer );
2828
2829                             // process the button action
2830                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2831
2832                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2833                             vlc_mutex_lock( &p_ev->lock );
2834                         }
2835                     }
2836                 }
2837                 break;
2838             case ACTIONID_NAV_UP:
2839                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2840                 {
2841                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2842                     if ( p_button_ptr->up > 0 && p_button_ptr->up <= pci->hli.hl_gi.btn_ns )
2843                     {
2844                         i_curr_button = p_button_ptr->up;
2845                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2846                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2847                         if ( button_ptr.auto_action_mode )
2848                         {
2849                             vlc_mutex_unlock( &p_ev->lock );
2850                             vlc_mutex_lock( &p_sys->lock_demuxer );
2851
2852                             // process the button action
2853                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2854
2855                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2856                             vlc_mutex_lock( &p_ev->lock );
2857                         }
2858                     }
2859                 }
2860                 break;
2861             case ACTIONID_NAV_DOWN:
2862                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2863                 {
2864                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2865                     if ( p_button_ptr->down > 0 && p_button_ptr->down <= pci->hli.hl_gi.btn_ns )
2866                     {
2867                         i_curr_button = p_button_ptr->down;
2868                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2869                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2870                         if ( button_ptr.auto_action_mode )
2871                         {
2872                             vlc_mutex_unlock( &p_ev->lock );
2873                             vlc_mutex_lock( &p_sys->lock_demuxer );
2874
2875                             // process the button action
2876                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2877
2878                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2879                             vlc_mutex_lock( &p_ev->lock );
2880                         }
2881                     }
2882                 }
2883                 break;
2884             case ACTIONID_NAV_ACTIVATE:
2885                 b_activated = VLC_TRUE;
2886
2887                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2888                 {
2889                     btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2890
2891                     vlc_mutex_unlock( &p_ev->lock );
2892                     vlc_mutex_lock( &p_sys->lock_demuxer );
2893
2894                     // process the button action
2895                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2896
2897                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2898                     vlc_mutex_lock( &p_ev->lock );
2899                 }
2900                 break;
2901             default:
2902                 break;
2903             }
2904             p_ev->b_key = VLC_FALSE;
2905             vlc_mutex_unlock( &p_ev->lock );
2906         }
2907
2908         /* MOUSE part */
2909         if( p_vout && ( p_ev->b_moved || p_ev->b_clicked ) )
2910         {
2911             vlc_value_t valx, valy;
2912
2913             vlc_mutex_lock( &p_ev->lock );
2914             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2915             var_Get( p_vout, "mouse-x", &valx );
2916             var_Get( p_vout, "mouse-y", &valy );
2917
2918             if( p_ev->b_clicked )
2919             {
2920                 int32_t button;
2921                 int32_t best,dist,d;
2922                 int32_t mx,my,dx,dy;
2923
2924                 msg_Dbg( p_ev->p_demux, "Handle Mouse Event: Mouse clicked x(%d)*y(%d)", (unsigned)valx.i_int, (unsigned)valy.i_int);
2925
2926                 b_activated = VLC_TRUE;
2927                 // get current button
2928                 best = 0;
2929                 dist = 0x08000000; /* >> than  (720*720)+(567*567); */
2930                 for(button = 1; button <= pci->hli.hl_gi.btn_ns; button++)
2931                 {
2932                     btni_t *button_ptr = &(pci->hli.btnit[button-1]);
2933
2934                     if(((unsigned)valx.i_int >= button_ptr->x_start)
2935                      && ((unsigned)valx.i_int <= button_ptr->x_end)
2936                      && ((unsigned)valy.i_int >= button_ptr->y_start)
2937                      && ((unsigned)valy.i_int <= button_ptr->y_end))
2938                     {
2939                         mx = (button_ptr->x_start + button_ptr->x_end)/2;
2940                         my = (button_ptr->y_start + button_ptr->y_end)/2;
2941                         dx = mx - valx.i_int;
2942                         dy = my - valy.i_int;
2943                         d = (dx*dx) + (dy*dy);
2944                         /* If the mouse is within the button and the mouse is closer
2945                         * to the center of this button then it is the best choice. */
2946                         if(d < dist) {
2947                             dist = d;
2948                             best = button;
2949                         }
2950                     }
2951                 }
2952
2953                 if ( best != 0)
2954                 {
2955                     btni_t button_ptr = pci->hli.btnit[best-1];
2956                     uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2957
2958                     msg_Dbg( &p_sys->demuxer, "Clicked button %d", best );
2959                     vlc_mutex_unlock( &p_ev->lock );
2960                     vlc_mutex_lock( &p_sys->lock_demuxer );
2961
2962                     // process the button action
2963                     p_sys->dvd_interpretor.SetSPRM( 0x88, best );
2964                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2965
2966                     msg_Dbg( &p_sys->demuxer, "Processed button %d", best );
2967
2968                     // select new button
2969                     if ( best != i_curr_button )
2970                     {
2971                         vlc_value_t val;
2972
2973                         if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
2974                         {
2975                             vlc_mutex_t *p_mutex = (vlc_mutex_t *) val.p_address;
2976                             uint32_t i_palette;
2977
2978                             if(button_ptr.btn_coln != 0) {
2979                                 i_palette = pci->hli.btn_colit.btn_coli[button_ptr.btn_coln-1][1];
2980                             } else {
2981                                 i_palette = 0;
2982                             }
2983
2984                             for( int i = 0; i < 4; i++ )
2985                             {
2986                                 uint32_t i_yuv = 0xFF;//p_sys->clut[(hl.palette>>(16+i*4))&0x0f];
2987                                 uint8_t i_alpha = (i_palette>>(i*4))&0x0f;
2988                                 i_alpha = i_alpha == 0xf ? 0xff : i_alpha << 4;
2989
2990                                 p_sys->palette[i][0] = (i_yuv >> 16) & 0xff;
2991                                 p_sys->palette[i][1] = (i_yuv >> 0) & 0xff;
2992                                 p_sys->palette[i][2] = (i_yuv >> 8) & 0xff;
2993                                 p_sys->palette[i][3] = i_alpha;
2994                             }
2995
2996                             vlc_mutex_lock( p_mutex );
2997                             val.i_int = button_ptr.x_start; var_Set( p_sys->p_input, "x-start", val );
2998                             val.i_int = button_ptr.x_end;   var_Set( p_sys->p_input, "x-end",   val );
2999                             val.i_int = button_ptr.y_start; var_Set( p_sys->p_input, "y-start", val );
3000                             val.i_int = button_ptr.y_end;   var_Set( p_sys->p_input, "y-end",   val );
3001
3002                             val.p_address = (void *)p_sys->palette;
3003                             var_Set( p_sys->p_input, "menu-palette", val );
3004
3005                             val.b_bool = VLC_TRUE; var_Set( p_sys->p_input, "highlight", val );
3006                             vlc_mutex_unlock( p_mutex );
3007                         }
3008                     }
3009                     vlc_mutex_unlock( &p_sys->lock_demuxer );
3010                     vlc_mutex_lock( &p_ev->lock );
3011                 }
3012             }
3013             else if( p_ev->b_moved )
3014             {
3015 //                dvdnav_mouse_select( NULL, pci, valx.i_int, valy.i_int );
3016             }
3017
3018             p_ev->b_moved = VLC_FALSE;
3019             p_ev->b_clicked = VLC_FALSE;
3020             vlc_mutex_unlock( &p_ev->lock );
3021         }
3022
3023         /* VOUT part */
3024         if( p_vout && p_vout->b_die )
3025         {
3026             var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
3027             var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
3028             vlc_object_release( p_vout );
3029             p_vout = NULL;
3030         }
3031
3032         else if( p_vout == NULL )
3033         {
3034             p_vout = (vlc_object_t*) vlc_object_find( p_sys->p_input, VLC_OBJECT_VOUT,
3035                                       FIND_CHILD );
3036             if( p_vout)
3037             {
3038                 var_AddCallback( p_vout, "mouse-moved", EventMouse, p_ev );
3039                 var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
3040             }
3041         }
3042
3043         /* Wait a bit, 10ms */
3044         msleep( 10000 );
3045     }
3046
3047     /* Release callback */
3048     if( p_vout )
3049     {
3050         var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
3051         var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
3052         vlc_object_release( p_vout );
3053     }
3054     var_DelCallback( p_ev->p_libvlc, "key-pressed", EventKey, p_ev );
3055
3056     vlc_mutex_destroy( &p_ev->lock );
3057
3058     return VLC_SUCCESS;
3059 }
3060
3061 void matroska_segment_c::UnSelect( )
3062 {
3063     size_t i_track;
3064
3065     for( i_track = 0; i_track < tracks.size(); i_track++ )
3066     {
3067         if ( tracks[i_track]->p_es != NULL )
3068         {
3069 //            es_format_Clean( &tracks[i_track]->fmt );
3070             es_out_Del( sys.demuxer.out, tracks[i_track]->p_es );
3071             tracks[i_track]->p_es = NULL;
3072         }
3073     }
3074     delete ep;
3075     ep = NULL;
3076 }
3077
3078 void virtual_segment_c::PrepareChapters( )
3079 {
3080     if ( linked_segments.size() == 0 )
3081         return;
3082
3083     // !!! should be called only once !!!
3084     matroska_segment_c *p_segment;
3085     size_t i, j;
3086
3087     // copy editions from the first segment
3088     p_segment = linked_segments[0];
3089     p_editions = &p_segment->stored_editions;
3090
3091     for ( i=1 ; i<linked_segments.size(); i++ )
3092     {
3093         p_segment = linked_segments[i];
3094         // FIXME assume we have the same editions in all segments
3095         for (j=0; j<p_segment->stored_editions.size(); j++)
3096         {
3097             if( j >= p_editions->size() ) /* Protect against broken files (?) */
3098                 break;
3099             (*p_editions)[j]->Append( *p_segment->stored_editions[j] );
3100         }
3101     }
3102 }
3103
3104 std::string chapter_edition_c::GetMainName() const
3105 {
3106     if ( sub_chapters.size() )
3107     {
3108         return sub_chapters[0]->GetCodecName( true );
3109     }
3110     return "";
3111 }
3112
3113 int chapter_item_c::PublishChapters( input_title_t & title, int & i_user_chapters, int i_level )
3114 {
3115     // add support for meta-elements from codec like DVD Titles
3116     if ( !b_display_seekpoint || psz_name == "" )
3117     {
3118         psz_name = GetCodecName();
3119         if ( psz_name != "" )
3120             b_display_seekpoint = true;
3121     }
3122
3123     if (b_display_seekpoint)
3124     {
3125         seekpoint_t *sk = vlc_seekpoint_New();
3126
3127         sk->i_level = i_level;
3128         sk->i_time_offset = i_start_time;
3129         sk->psz_name = strdup( psz_name.c_str() );
3130
3131         // A start time of '0' is ok. A missing ChapterTime element is ok, too, because '0' is its default value.
3132         title.i_seekpoint++;
3133         title.seekpoint = (seekpoint_t**)realloc( title.seekpoint, title.i_seekpoint * sizeof( seekpoint_t* ) );
3134         title.seekpoint[title.i_seekpoint-1] = sk;
3135
3136         if ( b_user_display )
3137             i_user_chapters++;
3138     }
3139
3140     for ( size_t i=0; i<sub_chapters.size() ; i++)
3141     {
3142         sub_chapters[i]->PublishChapters( title, i_user_chapters, i_level+1 );
3143     }
3144
3145     i_seekpoint_num = i_user_chapters;
3146
3147     return i_user_chapters;
3148 }
3149
3150 bool virtual_segment_c::UpdateCurrentToChapter( demux_t & demux )
3151 {
3152     demux_sys_t & sys = *demux.p_sys;
3153     chapter_item_c *psz_curr_chapter;
3154     bool b_has_seeked = false;
3155
3156     /* update current chapter/seekpoint */
3157     if ( p_editions->size() )
3158     {
3159         /* 1st, we need to know in which chapter we are */
3160         psz_curr_chapter = (*p_editions)[i_current_edition]->FindTimecode( sys.i_pts, psz_current_chapter );
3161
3162         /* we have moved to a new chapter */
3163         if (psz_curr_chapter != NULL && psz_current_chapter != psz_curr_chapter)
3164         {
3165             if ( (*p_editions)[i_current_edition]->b_ordered )
3166             {
3167                 // Leave/Enter up to the link point
3168                 b_has_seeked = psz_curr_chapter->EnterAndLeave( psz_current_chapter );
3169                 if ( !b_has_seeked )
3170                 {
3171                     // only physically seek if necessary
3172                     if ( psz_current_chapter == NULL || (psz_current_chapter->i_end_time != psz_curr_chapter->i_start_time) )
3173                         Seek( demux, sys.i_pts, 0, psz_curr_chapter );
3174                 }
3175             }
3176
3177             if ( !b_has_seeked )
3178             {
3179                 psz_current_chapter = psz_curr_chapter;
3180                 if ( psz_curr_chapter->i_seekpoint_num > 0 )
3181                 {
3182                     demux.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
3183                     demux.info.i_title = sys.i_current_title = i_sys_title;
3184                     demux.info.i_seekpoint = psz_curr_chapter->i_seekpoint_num - 1;
3185                 }
3186             }
3187
3188             return true;
3189         }
3190         else if (psz_curr_chapter == NULL)
3191         {
3192             // out of the scope of the data described by chapters, leave the edition
3193             if ( (*p_editions)[i_current_edition]->b_ordered && psz_current_chapter != NULL )
3194             {
3195                 if ( !(*p_editions)[i_current_edition]->EnterAndLeave( psz_current_chapter, false ) )
3196                     psz_current_chapter = NULL;
3197                 else
3198                     return true;
3199             }
3200         }
3201     }
3202     return false;
3203 }
3204
3205 chapter_item_c *virtual_segment_c::BrowseCodecPrivate( unsigned int codec_id,
3206                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
3207                                     const void *p_cookie,
3208                                     size_t i_cookie_size )
3209 {
3210     // FIXME don't assume it is the first edition
3211     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
3212     if ( index != p_editions->end() )
3213     {
3214         chapter_item_c *p_result = (*index)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
3215         if ( p_result != NULL )
3216             return p_result;
3217     }
3218     return NULL;
3219 }
3220
3221 chapter_item_c *virtual_segment_c::FindChapter( int64_t i_find_uid )
3222 {
3223     // FIXME don't assume it is the first edition
3224     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
3225     if ( index != p_editions->end() )
3226     {
3227         chapter_item_c *p_result = (*index)->FindChapter( i_find_uid );
3228         if ( p_result != NULL )
3229             return p_result;
3230     }
3231     return NULL;
3232 }
3233
3234 chapter_item_c *chapter_item_c::BrowseCodecPrivate( unsigned int codec_id,
3235                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
3236                                     const void *p_cookie,
3237                                     size_t i_cookie_size )
3238 {
3239     // this chapter
3240     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
3241     while ( index != codecs.end() )
3242     {
3243         if ( match( **index ,p_cookie, i_cookie_size ) )
3244             return this;
3245         index++;
3246     }
3247
3248     // sub-chapters
3249     chapter_item_c *p_result = NULL;
3250     std::vector<chapter_item_c*>::const_iterator index2 = sub_chapters.begin();
3251     while ( index2 != sub_chapters.end() )
3252     {
3253         p_result = (*index2)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
3254         if ( p_result != NULL )
3255             return p_result;
3256         index2++;
3257     }
3258
3259     return p_result;
3260 }
3261
3262 void chapter_item_c::Append( const chapter_item_c & chapter )
3263 {
3264     // we are appending content for the same chapter UID
3265     size_t i;
3266     chapter_item_c *p_chapter;
3267
3268     for ( i=0; i<chapter.sub_chapters.size(); i++ )
3269     {
3270         p_chapter = FindChapter( chapter.sub_chapters[i]->i_uid );
3271         if ( p_chapter != NULL )
3272         {
3273             p_chapter->Append( *chapter.sub_chapters[i] );
3274         }
3275         else
3276         {
3277             sub_chapters.push_back( chapter.sub_chapters[i] );
3278         }
3279     }
3280
3281     i_user_start_time = min( i_user_start_time, chapter.i_user_start_time );
3282     i_user_end_time = max( i_user_end_time, chapter.i_user_end_time );
3283 }
3284
3285 chapter_item_c * chapter_item_c::FindChapter( int64_t i_find_uid )
3286 {
3287     size_t i;
3288     chapter_item_c *p_result = NULL;
3289
3290     if ( i_uid == i_find_uid )
3291         return this;
3292
3293     for ( i=0; i<sub_chapters.size(); i++)
3294     {
3295         p_result = sub_chapters[i]->FindChapter( i_find_uid );
3296         if ( p_result != NULL )
3297             break;
3298     }
3299     return p_result;
3300 }
3301
3302 std::string chapter_item_c::GetCodecName( bool f_for_title ) const
3303 {
3304     std::string result;
3305
3306     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
3307     while ( index != codecs.end() )
3308     {
3309         result = (*index)->GetCodecName( f_for_title );
3310         if ( result != "" )
3311             break;
3312         index++;
3313     }
3314
3315     return result;
3316 }
3317
3318 std::string dvd_chapter_codec_c::GetCodecName( bool f_for_title ) const
3319 {
3320     std::string result;
3321     if ( p_private_data->GetSize() >= 3)
3322     {
3323         const binary* p_data = p_private_data->GetBuffer();
3324 /*        if ( p_data[0] == MATROSKA_DVD_LEVEL_TT )
3325         {
3326             uint16_t i_title = (p_data[1] << 8) + p_data[2];
3327             char psz_str[11];
3328             sprintf( psz_str, " %d  ---", i_title );
3329             result = N_("---  DVD Title");
3330             result += psz_str;
3331         }
3332         else */ if ( p_data[0] == MATROSKA_DVD_LEVEL_LU )
3333         {
3334             char psz_str[11];
3335             sprintf( psz_str, " (%c%c)  ---", p_data[1], p_data[2] );
3336             result = N_("---  DVD Menu");
3337             result += psz_str;
3338         }
3339         else if ( p_data[0] == MATROSKA_DVD_LEVEL_SS && f_for_title )
3340         {
3341             if ( p_data[1] == 0x00 )
3342                 result = N_("First Played");
3343             else if ( p_data[1] == 0xC0 )
3344                 result = N_("Video Manager");
3345             else if ( p_data[1] == 0x80 )
3346             {
3347                 uint16_t i_title = (p_data[2] << 8) + p_data[3];
3348                 char psz_str[20];
3349                 sprintf( psz_str, " %d -----", i_title );
3350                 result = N_("----- Title");
3351                 result += psz_str;
3352             }
3353         }
3354     }
3355
3356     return result;
3357 }
3358
3359 int16 chapter_item_c::GetTitleNumber( ) const
3360 {
3361     int result = -1;
3362
3363     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
3364     while ( index != codecs.end() )
3365     {
3366         result = (*index)->GetTitleNumber( );
3367         if ( result >= 0 )
3368             break;
3369         index++;
3370     }
3371
3372     return result;
3373 }
3374
3375 int16 dvd_chapter_codec_c::GetTitleNumber()
3376 {
3377     if ( p_private_data->GetSize() >= 3)
3378     {
3379         const binary* p_data = p_private_data->GetBuffer();
3380         if ( p_data[0] == MATROSKA_DVD_LEVEL_SS )
3381         {
3382             return int16( (p_data[2] << 8) + p_data[3] );
3383         }
3384     }
3385     return -1;
3386 }
3387
3388 static void Seek( demux_t *p_demux, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter )
3389 {
3390     demux_sys_t        *p_sys = p_demux->p_sys;
3391     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3392     matroska_segment_c *p_segment = p_vsegment->Segment();
3393     mtime_t            i_time_offset = 0;
3394
3395     int         i_index;
3396
3397     msg_Dbg( p_demux, "seek request to "I64Fd" (%f%%)", i_date, f_percent );
3398     if( i_date < 0 && f_percent < 0 )
3399     {
3400         msg_Warn( p_demux, "cannot seek nowhere !" );
3401         return;
3402     }
3403     if( f_percent > 1.0 )
3404     {
3405         msg_Warn( p_demux, "cannot seek so far !" );
3406         return;
3407     }
3408
3409     /* seek without index or without date */
3410     if( f_percent >= 0 && (config_GetInt( p_demux, "mkv-seek-percent" ) || !p_segment->b_cues || i_date < 0 ))
3411     {
3412         if (p_sys->f_duration >= 0)
3413         {
3414             i_date = int64_t( f_percent * p_sys->f_duration * 1000.0 );
3415         }
3416         else
3417         {
3418             int64_t i_pos = int64_t( f_percent * stream_Size( p_demux->s ) );
3419
3420             msg_Dbg( p_demux, "inacurate way of seeking" );
3421             for( i_index = 0; i_index < p_segment->i_index; i_index++ )
3422             {
3423                 if( p_segment->p_indexes[i_index].i_position >= i_pos)
3424                 {
3425                     break;
3426                 }
3427             }
3428             if( i_index == p_segment->i_index )
3429             {
3430                 i_index--;
3431             }
3432
3433             i_date = p_segment->p_indexes[i_index].i_time;
3434
3435 #if 0
3436             if( p_segment->p_indexes[i_index].i_position < i_pos )
3437             {
3438                 EbmlElement *el;
3439
3440                 msg_Warn( p_demux, "searching for cluster, could take some time" );
3441
3442                 /* search a cluster */
3443                 while( ( el = p_sys->ep->Get() ) != NULL )
3444                 {
3445                     if( MKV_IS_ID( el, KaxCluster ) )
3446                     {
3447                         KaxCluster *cluster = (KaxCluster*)el;
3448
3449                         /* add it to the index */
3450                         p_segment->IndexAppendCluster( cluster );
3451
3452                         if( (int64_t)cluster->GetElementPosition() >= i_pos )
3453                         {
3454                             p_sys->cluster = cluster;
3455                             p_sys->ep->Down();
3456                             break;
3457                         }
3458                     }
3459                 }
3460             }
3461 #endif
3462         }
3463     }
3464
3465     p_vsegment->Seek( *p_demux, i_date, i_time_offset, psz_chapter );
3466 }
3467
3468 /*****************************************************************************
3469  * Demux: reads and demuxes data packets
3470  *****************************************************************************
3471  * Returns -1 in case of error, 0 in case of EOF, 1 otherwise
3472  *****************************************************************************/
3473 static int Demux( demux_t *p_demux)
3474 {
3475     demux_sys_t        *p_sys = p_demux->p_sys;
3476
3477     vlc_mutex_lock( &p_sys->lock_demuxer );
3478
3479     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3480     matroska_segment_c *p_segment = p_vsegment->Segment();
3481     if ( p_segment == NULL ) return 0;
3482     int                i_block_count = 0;
3483     int                i_return = 0;
3484
3485     for( ;; )
3486     {
3487         if ( p_sys->demuxer.b_die )
3488             break;
3489
3490         if( p_sys->i_pts >= p_sys->i_start_pts  )
3491             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3492             {
3493                 i_return = 1;
3494                 break;
3495             }
3496
3497         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3498         {
3499             /* nothing left to read in this ordered edition */
3500             if ( !p_vsegment->SelectNext() )
3501                 break;
3502             p_segment->UnSelect( );
3503
3504             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3505
3506             /* switch to the next segment */
3507             p_segment = p_vsegment->Segment();
3508             if ( !p_segment->Select( 0 ) )
3509             {
3510                 msg_Err( p_demux, "Failed to select new segment" );
3511                 break;
3512             }
3513             continue;
3514         }
3515
3516         KaxBlock *block;
3517         int64_t i_block_duration = 0;
3518         int64_t i_block_ref1;
3519         int64_t i_block_ref2;
3520
3521 #if LIBMATROSKA_VERSION >= 0x000800
3522         KaxSimpleBlock *simpleblock;
3523
3524         if( p_segment->BlockGet( block, simpleblock, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
3525 #else
3526         if( p_segment->BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
3527 #endif
3528         {
3529             if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered )
3530             {
3531                 const chapter_item_c *p_chap = p_vsegment->CurrentChapter();
3532                 // check if there are more chapters to read
3533                 if ( p_chap != NULL )
3534                 {
3535                     /* TODO handle successive chapters with the same user_start_time/user_end_time
3536                     if ( p_chap->i_user_start_time == p_chap->i_user_start_time )
3537                         p_vsegment->SelectNext();
3538                     */
3539                     p_sys->i_pts = p_chap->i_user_end_time;
3540                     p_sys->i_pts++; // trick to avoid staying on segments with no duration and no content
3541
3542                     i_return = 1;
3543                 }
3544
3545                 break;
3546             }
3547             else
3548             {
3549                 msg_Warn( p_demux, "cannot get block EOF?" );
3550                 p_segment->UnSelect( );
3551
3552                 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3553
3554                 /* switch to the next segment */
3555                 if ( !p_vsegment->SelectNext() )
3556                     // no more segments in this stream
3557                     break;
3558                 p_segment = p_vsegment->Segment();
3559                 if ( !p_segment->Select( 0 ) )
3560                 {
3561                     msg_Err( p_demux, "Failed to select new segment" );
3562                     break;
3563                 }
3564
3565                 continue;
3566             }
3567         }
3568
3569 #if LIBMATROSKA_VERSION >= 0x000800
3570         if ( simpleblock != NULL )
3571             p_sys->i_pts = (p_sys->i_chapter_time + simpleblock->GlobalTimecode()) / (mtime_t) 1000;
3572         else
3573 #endif
3574         p_sys->i_pts = (p_sys->i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
3575
3576         if( p_sys->i_pts >= p_sys->i_start_pts  )
3577         {
3578             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pts );
3579
3580             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3581             {
3582                 i_return = 1;
3583                 delete block;
3584                 break;
3585             }
3586         }
3587
3588         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3589         {
3590             /* nothing left to read in this ordered edition */
3591             if ( !p_vsegment->SelectNext() )
3592             {
3593                 delete block;
3594                 break;
3595             }
3596             p_segment->UnSelect( );
3597
3598             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3599
3600             /* switch to the next segment */
3601             p_segment = p_vsegment->Segment();
3602             if ( !p_segment->Select( 0 ) )
3603             {
3604                 msg_Err( p_demux, "Failed to select new segment" );
3605                 delete block;
3606                 break;
3607             }
3608             delete block;
3609             continue;
3610         }
3611
3612 #if LIBMATROSKA_VERSION >= 0x000800
3613         BlockDecode( p_demux, block, simpleblock, p_sys->i_pts, i_block_duration, i_block_ref1 >= 0 || i_block_ref2 > 0 );
3614 #else
3615         BlockDecode( p_demux, block, p_sys->i_pts, i_block_duration, i_block_ref1 >= 0 || i_block_ref2 > 0 );
3616 #endif
3617
3618         delete block;
3619         i_block_count++;
3620
3621         // TODO optimize when there is need to leave or when seeking has been called
3622         if( i_block_count > 5 )
3623         {
3624             i_return = 1;
3625             break;
3626         }
3627     }
3628
3629     vlc_mutex_unlock( &p_sys->lock_demuxer );
3630
3631     return i_return;
3632 }
3633
3634
3635
3636 /*****************************************************************************
3637  * Stream managment
3638  *****************************************************************************/
3639 vlc_stream_io_callback::vlc_stream_io_callback( stream_t *s_, vlc_bool_t b_owner_ )
3640 {
3641     s = s_;
3642     b_owner = b_owner_;
3643     mb_eof = VLC_FALSE;
3644 }
3645
3646 uint32 vlc_stream_io_callback::read( void *p_buffer, size_t i_size )
3647 {
3648     if( i_size <= 0 || mb_eof )
3649     {
3650         return 0;
3651     }
3652
3653     return stream_Read( s, p_buffer, i_size );
3654 }
3655 void vlc_stream_io_callback::setFilePointer(int64_t i_offset, seek_mode mode )
3656 {
3657     int64_t i_pos;
3658
3659     switch( mode )
3660     {
3661         case seek_beginning:
3662             i_pos = i_offset;
3663             break;
3664         case seek_end:
3665             i_pos = stream_Size( s ) - i_offset;
3666             break;
3667         default:
3668             i_pos= stream_Tell( s ) + i_offset;
3669             break;
3670     }
3671
3672     if( i_pos < 0 || i_pos >= stream_Size( s ) )
3673     {
3674         mb_eof = VLC_TRUE;
3675         return;
3676     }
3677
3678     mb_eof = VLC_FALSE;
3679     if( stream_Seek( s, i_pos ) )
3680     {
3681         mb_eof = VLC_TRUE;
3682     }
3683     return;
3684 }
3685 size_t vlc_stream_io_callback::write( const void *p_buffer, size_t i_size )
3686 {
3687     return 0;
3688 }
3689 uint64 vlc_stream_io_callback::getFilePointer( void )
3690 {
3691     if ( s == NULL )
3692         return 0;
3693     return stream_Tell( s );
3694 }
3695 void vlc_stream_io_callback::close( void )
3696 {
3697     return;
3698 }
3699
3700
3701 /*****************************************************************************
3702  * Ebml Stream parser
3703  *****************************************************************************/
3704 EbmlParser::EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux )
3705 {
3706     int i;
3707
3708     m_es = es;
3709     m_got = NULL;
3710     m_el[0] = el_start;
3711     mi_remain_size[0] = el_start->GetSize();
3712
3713     for( i = 1; i < 6; i++ )
3714     {
3715         m_el[i] = NULL;
3716     }
3717     mi_level = 1;
3718     mi_user_level = 1;
3719     mb_keep = VLC_FALSE;
3720     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3721 }
3722
3723 EbmlParser::~EbmlParser( void )
3724 {
3725     int i;
3726
3727     for( i = 1; i < mi_level; i++ )
3728     {
3729         if( !mb_keep )
3730         {
3731             delete m_el[i];
3732         }
3733         mb_keep = VLC_FALSE;
3734     }
3735 }
3736
3737 EbmlElement* EbmlParser::UnGet( uint64 i_block_pos, uint64 i_cluster_pos )
3738 {
3739     if ( mi_user_level > mi_level )
3740     {
3741         while ( mi_user_level != mi_level )
3742         {
3743             delete m_el[mi_user_level];
3744             m_el[mi_user_level] = NULL;
3745             mi_user_level--;
3746         }
3747     }
3748     m_got = NULL;
3749     mb_keep = VLC_FALSE;
3750     if ( m_el[1]->GetElementPosition() == i_cluster_pos )
3751     {
3752         m_es->I_O().setFilePointer( i_block_pos, seek_beginning );
3753         return (EbmlMaster*) m_el[1];
3754     }
3755     else
3756     {
3757         // seek to the previous Cluster
3758         m_es->I_O().setFilePointer( i_cluster_pos, seek_beginning );
3759         mi_level--;
3760         mi_user_level--;
3761         delete m_el[mi_level];
3762         m_el[mi_level] = NULL;
3763         return NULL;
3764     }
3765 }
3766
3767 void EbmlParser::Up( void )
3768 {
3769     if( mi_user_level == mi_level )
3770     {
3771         fprintf( stderr," arrrrrrrrrrrrrg Up cannot escape itself\n" );
3772     }
3773
3774     mi_user_level--;
3775 }
3776
3777 void EbmlParser::Down( void )
3778 {
3779     mi_user_level++;
3780     mi_level++;
3781 }
3782
3783 void EbmlParser::Keep( void )
3784 {
3785     mb_keep = VLC_TRUE;
3786 }
3787
3788 int EbmlParser::GetLevel( void )
3789 {
3790     return mi_user_level;
3791 }
3792
3793 void EbmlParser::Reset( demux_t *p_demux )
3794 {
3795     while ( mi_level > 0)
3796     {
3797         delete m_el[mi_level];
3798         m_el[mi_level] = NULL;
3799         mi_level--;
3800     }
3801     mi_user_level = mi_level = 1;
3802 #if LIBEBML_VERSION >= 0x000704
3803     // a little faster and cleaner
3804     m_es->I_O().setFilePointer( static_cast<KaxSegment*>(m_el[0])->GetGlobalPosition(0) );
3805 #else
3806     m_es->I_O().setFilePointer( m_el[0]->GetElementPosition() + m_el[0]->ElementSize(true) - m_el[0]->GetSize() );
3807 #endif
3808     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3809 }
3810
3811 EbmlElement *EbmlParser::Get( void )
3812 {
3813     int i_ulev = 0;
3814
3815     if( mi_user_level != mi_level )
3816     {
3817         return NULL;
3818     }
3819     if( m_got )
3820     {
3821         EbmlElement *ret = m_got;
3822         m_got = NULL;
3823
3824         return ret;
3825     }
3826
3827     if( m_el[mi_level] )
3828     {
3829         m_el[mi_level]->SkipData( *m_es, m_el[mi_level]->Generic().Context );
3830         if( !mb_keep )
3831         {
3832             delete m_el[mi_level];
3833         }
3834         mb_keep = VLC_FALSE;
3835     }
3836
3837     m_el[mi_level] = m_es->FindNextElement( m_el[mi_level - 1]->Generic().Context, i_ulev, 0xFFFFFFFFL, mb_dummy != 0, 1 );
3838 //    mi_remain_size[mi_level] = m_el[mi_level]->GetSize();
3839     if( i_ulev > 0 )
3840     {
3841         while( i_ulev > 0 )
3842         {
3843             if( mi_level == 1 )
3844             {
3845                 mi_level = 0;
3846                 return NULL;
3847             }
3848
3849             delete m_el[mi_level - 1];
3850             m_got = m_el[mi_level -1] = m_el[mi_level];
3851             m_el[mi_level] = NULL;
3852
3853             mi_level--;
3854             i_ulev--;
3855         }
3856         return NULL;
3857     }
3858     else if( m_el[mi_level] == NULL )
3859     {
3860         fprintf( stderr," m_el[mi_level] == NULL\n" );
3861     }
3862
3863     return m_el[mi_level];
3864 }
3865
3866
3867 /*****************************************************************************
3868  * Tools
3869  *  * LoadCues : load the cues element and update index
3870  *
3871  *  * LoadTags : load ... the tags element
3872  *
3873  *  * InformationCreate : create all information, load tags if present
3874  *
3875  *****************************************************************************/
3876 void matroska_segment_c::LoadCues( )
3877 {
3878     int64_t     i_sav_position = es.I_O().getFilePointer();
3879     EbmlParser  *ep;
3880     EbmlElement *el, *cues;
3881
3882     /* *** Load the cue if found *** */
3883     if( i_cues_position < 0 )
3884     {
3885         msg_Warn( &sys.demuxer, "no cues/empty cues found->seek won't be precise" );
3886
3887 //        IndexAppendCluster( cluster );
3888     }
3889
3890     vlc_bool_t b_seekable;
3891
3892     stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
3893     if( !b_seekable )
3894         return;
3895
3896     msg_Dbg( &sys.demuxer, "loading cues" );
3897     es.I_O().setFilePointer( i_cues_position, seek_beginning );
3898     cues = es.FindNextID( KaxCues::ClassInfos, 0xFFFFFFFFL);
3899
3900     if( cues == NULL )
3901     {
3902         msg_Err( &sys.demuxer, "cannot load cues (broken seekhead or file)" );
3903         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3904         return;
3905     }
3906
3907     ep = new EbmlParser( &es, cues, &sys.demuxer );
3908     while( ( el = ep->Get() ) != NULL )
3909     {
3910         if( MKV_IS_ID( el, KaxCuePoint ) )
3911         {
3912 #define idx p_indexes[i_index]
3913
3914             idx.i_track       = -1;
3915             idx.i_block_number= -1;
3916             idx.i_position    = -1;
3917             idx.i_time        = 0;
3918             idx.b_key         = VLC_TRUE;
3919
3920             ep->Down();
3921             while( ( el = ep->Get() ) != NULL )
3922             {
3923                 if( MKV_IS_ID( el, KaxCueTime ) )
3924                 {
3925                     KaxCueTime &ctime = *(KaxCueTime*)el;
3926
3927                     ctime.ReadData( es.I_O() );
3928
3929                     idx.i_time = uint64( ctime ) * i_timescale / (mtime_t)1000;
3930                 }
3931                 else if( MKV_IS_ID( el, KaxCueTrackPositions ) )
3932                 {
3933                     ep->Down();
3934                     while( ( el = ep->Get() ) != NULL )
3935                     {
3936                         if( MKV_IS_ID( el, KaxCueTrack ) )
3937                         {
3938                             KaxCueTrack &ctrack = *(KaxCueTrack*)el;
3939
3940                             ctrack.ReadData( es.I_O() );
3941                             idx.i_track = uint16( ctrack );
3942                         }
3943                         else if( MKV_IS_ID( el, KaxCueClusterPosition ) )
3944                         {
3945                             KaxCueClusterPosition &ccpos = *(KaxCueClusterPosition*)el;
3946
3947                             ccpos.ReadData( es.I_O() );
3948                             idx.i_position = segment->GetGlobalPosition( uint64( ccpos ) );
3949                         }
3950                         else if( MKV_IS_ID( el, KaxCueBlockNumber ) )
3951                         {
3952                             KaxCueBlockNumber &cbnum = *(KaxCueBlockNumber*)el;
3953
3954                             cbnum.ReadData( es.I_O() );
3955                             idx.i_block_number = uint32( cbnum );
3956                         }
3957                         else
3958                         {
3959                             msg_Dbg( &sys.demuxer, "         * Unknown (%s)", typeid(*el).name() );
3960                         }
3961                     }
3962                     ep->Up();
3963                 }
3964                 else
3965                 {
3966                     msg_Dbg( &sys.demuxer, "     * Unknown (%s)", typeid(*el).name() );
3967                 }
3968             }
3969             ep->Up();
3970
3971 #if 0
3972             msg_Dbg( &sys.demuxer, " * added time="I64Fd" pos="I64Fd
3973                      " track=%d bnum=%d", idx.i_time, idx.i_position,
3974                      idx.i_track, idx.i_block_number );
3975 #endif
3976
3977             i_index++;
3978             if( i_index >= i_index_max )
3979             {
3980                 i_index_max += 1024;
3981                 p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
3982             }
3983 #undef idx
3984         }
3985         else
3986         {
3987             msg_Dbg( &sys.demuxer, " * Unknown (%s)", typeid(*el).name() );
3988         }
3989     }
3990     delete ep;
3991     delete cues;
3992
3993     b_cues = VLC_TRUE;
3994
3995     msg_Dbg( &sys.demuxer, "loading cues done." );
3996     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3997 }
3998
3999 void matroska_segment_c::LoadTags( )
4000 {
4001     int64_t     i_sav_position = es.I_O().getFilePointer();
4002     EbmlParser  *ep;
4003     EbmlElement *el, *tags;
4004
4005     msg_Dbg( &sys.demuxer, "loading tags" );
4006     es.I_O().setFilePointer( i_tags_position, seek_beginning );
4007     tags = es.FindNextID( KaxTags::ClassInfos, 0xFFFFFFFFL);
4008
4009     if( tags == NULL )
4010     {
4011         msg_Err( &sys.demuxer, "cannot load tags (broken seekhead or file)" );
4012         es.I_O().setFilePointer( i_sav_position, seek_beginning );
4013         return;
4014     }
4015
4016     msg_Dbg( &sys.demuxer, "Tags" );
4017     ep = new EbmlParser( &es, tags, &sys.demuxer );
4018     while( ( el = ep->Get() ) != NULL )
4019     {
4020         if( MKV_IS_ID( el, KaxTag ) )
4021         {
4022             msg_Dbg( &sys.demuxer, "+ Tag" );
4023             ep->Down();
4024             while( ( el = ep->Get() ) != NULL )
4025             {
4026                 if( MKV_IS_ID( el, KaxTagTargets ) )
4027                 {
4028                     msg_Dbg( &sys.demuxer, "|   + Targets" );
4029                     ep->Down();
4030                     while( ( el = ep->Get() ) != NULL )
4031                     {
4032                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
4033                     }
4034                     ep->Up();
4035                 }
4036                 else if( MKV_IS_ID( el, KaxTagGeneral ) )
4037                 {
4038                     msg_Dbg( &sys.demuxer, "|   + General" );
4039                     ep->Down();
4040                     while( ( el = ep->Get() ) != NULL )
4041                     {
4042                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
4043                     }
4044                     ep->Up();
4045                 }
4046                 else if( MKV_IS_ID( el, KaxTagGenres ) )
4047                 {
4048                     msg_Dbg( &sys.demuxer, "|   + Genres" );
4049                     ep->Down();
4050                     while( ( el = ep->Get() ) != NULL )
4051                     {
4052                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
4053                     }
4054                     ep->Up();
4055                 }
4056                 else if( MKV_IS_ID( el, KaxTagAudioSpecific ) )
4057                 {
4058                     msg_Dbg( &sys.demuxer, "|   + Audio Specific" );
4059                     ep->Down();
4060                     while( ( el = ep->Get() ) != NULL )
4061                     {
4062                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
4063                     }
4064                     ep->Up();
4065                 }
4066                 else if( MKV_IS_ID( el, KaxTagImageSpecific ) )
4067                 {
4068                     msg_Dbg( &sys.demuxer, "|   + Images Specific" );
4069                     ep->Down();
4070                     while( ( el = ep->Get() ) != NULL )
4071                     {
4072                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
4073                     }
4074                     ep->Up();
4075                 }
4076                 else if( MKV_IS_ID( el, KaxTagMultiComment ) )
4077                 {
4078                     msg_Dbg( &sys.demuxer, "|   + Multi Comment" );
4079                 }
4080                 else if( MKV_IS_ID( el, KaxTagMultiCommercial ) )
4081                 {
4082                     msg_Dbg( &sys.demuxer, "|   + Multi Commercial" );
4083                 }
4084                 else if( MKV_IS_ID( el, KaxTagMultiDate ) )
4085                 {
4086                     msg_Dbg( &sys.demuxer, "|   + Multi Date" );
4087                 }
4088                 else if( MKV_IS_ID( el, KaxTagMultiEntity ) )
4089                 {
4090                     msg_Dbg( &sys.demuxer, "|   + Multi Entity" );
4091                 }
4092                 else if( MKV_IS_ID( el, KaxTagMultiIdentifier ) )
4093                 {
4094                     msg_Dbg( &sys.demuxer, "|   + Multi Identifier" );
4095                 }
4096                 else if( MKV_IS_ID( el, KaxTagMultiLegal ) )
4097                 {
4098                     msg_Dbg( &sys.demuxer, "|   + Multi Legal" );
4099                 }
4100                 else if( MKV_IS_ID( el, KaxTagMultiTitle ) )
4101                 {
4102                     msg_Dbg( &sys.demuxer, "|   + Multi Title" );
4103                 }
4104                 else
4105                 {
4106                     msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid( *el ).name() );
4107                 }
4108             }
4109             ep->Up();
4110         }
4111         else
4112         {
4113             msg_Dbg( &sys.demuxer, "+ Unknown (%s)", typeid( *el ).name() );
4114         }
4115     }
4116     delete ep;
4117     delete tags;
4118
4119     msg_Dbg( &sys.demuxer, "loading tags done." );
4120     es.I_O().setFilePointer( i_sav_position, seek_beginning );
4121 }
4122
4123 /*****************************************************************************
4124  * ParseSeekHead:
4125  *****************************************************************************/
4126 void matroska_segment_c::ParseSeekHead( KaxSeekHead *seekhead )
4127 {
4128     EbmlElement *el;
4129     size_t i, j;
4130     int i_upper_level = 0;
4131
4132     msg_Dbg( &sys.demuxer, "|   + Seek head" );
4133
4134     /* Master elements */
4135     seekhead->Read( es, seekhead->Generic().Context, i_upper_level, el, true );
4136
4137     for( i = 0; i < seekhead->ListSize(); i++ )
4138     {
4139         EbmlElement *l = (*seekhead)[i];
4140
4141         if( MKV_IS_ID( l, KaxSeek ) )
4142         {
4143             EbmlMaster *sk = static_cast<EbmlMaster *>(l);
4144             EbmlId id = EbmlVoid::ClassInfos.GlobalId;
4145             int64_t i_pos = -1;
4146
4147             for( j = 0; j < sk->ListSize(); j++ )
4148             {
4149                 EbmlElement *l = (*sk)[j];
4150
4151                 if( MKV_IS_ID( l, KaxSeekID ) )
4152                 {
4153                     KaxSeekID &sid = *(KaxSeekID*)l;
4154                     id = EbmlId( sid.GetBuffer(), sid.GetSize() );
4155                 }
4156                 else if( MKV_IS_ID( l, KaxSeekPosition ) )
4157                 {
4158                     KaxSeekPosition &spos = *(KaxSeekPosition*)l;
4159                     i_pos = uint64( spos );
4160                 }
4161                 else
4162                 {
4163                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
4164                 }
4165             }
4166
4167             if( i_pos >= 0 )
4168             {
4169                 if( id == KaxCues::ClassInfos.GlobalId )
4170                 {
4171                     msg_Dbg( &sys.demuxer, "|   |   |   = cues at "I64Fd, i_pos );
4172                     i_cues_position = segment->GetGlobalPosition( i_pos );
4173                 }
4174                 else if( id == KaxChapters::ClassInfos.GlobalId )
4175                 {
4176                     msg_Dbg( &sys.demuxer, "|   |   |   = chapters at "I64Fd, i_pos );
4177                     i_chapters_position = segment->GetGlobalPosition( i_pos );
4178                 }
4179                 else if( id == KaxTags::ClassInfos.GlobalId )
4180                 {
4181                     msg_Dbg( &sys.demuxer, "|   |   |   = tags at "I64Fd, i_pos );
4182                     i_tags_position = segment->GetGlobalPosition( i_pos );
4183                 }
4184             }
4185         }
4186         else
4187         {
4188             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4189         }
4190     }
4191 }
4192
4193 /*****************************************************************************
4194  * ParseTrackEntry:
4195  *****************************************************************************/
4196 void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
4197 {
4198     size_t i, j, k, n;
4199     bool bSupported = true;
4200
4201     mkv_track_t *tk;
4202
4203     msg_Dbg( &sys.demuxer, "|   |   + Track Entry" );
4204
4205     tk = new mkv_track_t();
4206
4207     /* Init the track */
4208     memset( tk, 0, sizeof( mkv_track_t ) );
4209
4210     es_format_Init( &tk->fmt, UNKNOWN_ES, 0 );
4211     tk->fmt.psz_language = strdup("English");
4212     tk->fmt.psz_description = NULL;
4213
4214     tk->b_default = VLC_TRUE;
4215     tk->b_enabled = VLC_TRUE;
4216     tk->b_silent = VLC_FALSE;
4217     tk->i_number = tracks.size() - 1;
4218     tk->i_extra_data = 0;
4219     tk->p_extra_data = NULL;
4220     tk->psz_codec = NULL;
4221     tk->i_default_duration = 0;
4222     tk->f_timecodescale = 1.0;
4223
4224     tk->b_inited = VLC_FALSE;
4225     tk->i_data_init = 0;
4226     tk->p_data_init = NULL;
4227
4228     tk->psz_codec_name = NULL;
4229     tk->psz_codec_settings = NULL;
4230     tk->psz_codec_info_url = NULL;
4231     tk->psz_codec_download_url = NULL;
4232
4233     tk->i_compression_type = MATROSKA_COMPRESSION_NONE;
4234     tk->p_compression_data = NULL;
4235
4236     for( i = 0; i < m->ListSize(); i++ )
4237     {
4238         EbmlElement *l = (*m)[i];
4239
4240         if( MKV_IS_ID( l, KaxTrackNumber ) )
4241         {
4242             KaxTrackNumber &tnum = *(KaxTrackNumber*)l;
4243
4244             tk->i_number = uint32( tnum );
4245             msg_Dbg( &sys.demuxer, "|   |   |   + Track Number=%u", uint32( tnum ) );
4246         }
4247         else  if( MKV_IS_ID( l, KaxTrackUID ) )
4248         {
4249             KaxTrackUID &tuid = *(KaxTrackUID*)l;
4250
4251             msg_Dbg( &sys.demuxer, "|   |   |   + Track UID=%u",  uint32( tuid ) );
4252         }
4253         else  if( MKV_IS_ID( l, KaxTrackType ) )
4254         {
4255             const char *psz_type;
4256             KaxTrackType &ttype = *(KaxTrackType*)l;
4257
4258             switch( uint8(ttype) )
4259             {
4260                 case track_audio:
4261                     psz_type = "audio";
4262                     tk->fmt.i_cat = AUDIO_ES;
4263                     break;
4264                 case track_video:
4265                     psz_type = "video";
4266                     tk->fmt.i_cat = VIDEO_ES;
4267                     break;
4268                 case track_subtitle:
4269                     psz_type = "subtitle";
4270                     tk->fmt.i_cat = SPU_ES;
4271                     break;
4272                 case track_buttons:
4273                     psz_type = "buttons";
4274                     tk->fmt.i_cat = SPU_ES;
4275                     break;
4276                 default:
4277                     psz_type = "unknown";
4278                     tk->fmt.i_cat = UNKNOWN_ES;
4279                     break;
4280             }
4281
4282             msg_Dbg( &sys.demuxer, "|   |   |   + Track Type=%s", psz_type );
4283         }
4284 //        else  if( EbmlId( *l ) == KaxTrackFlagEnabled::ClassInfos.GlobalId )
4285 //        {
4286 //            KaxTrackFlagEnabled &fenb = *(KaxTrackFlagEnabled*)l;
4287
4288 //            tk->b_enabled = uint32( fenb );
4289 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Enabled=%u",
4290 //                     uint32( fenb )  );
4291 //        }
4292         else  if( MKV_IS_ID( l, KaxTrackFlagDefault ) )
4293         {
4294             KaxTrackFlagDefault &fdef = *(KaxTrackFlagDefault*)l;
4295
4296             tk->b_default = uint32( fdef );
4297             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default=%u", uint32( fdef )  );
4298         }
4299         else  if( MKV_IS_ID( l, KaxTrackFlagLacing ) )
4300         {
4301             KaxTrackFlagLacing &lac = *(KaxTrackFlagLacing*)l;
4302
4303             msg_Dbg( &sys.demuxer, "|   |   |   + Track Lacing=%d", uint32( lac ) );
4304         }
4305         else  if( MKV_IS_ID( l, KaxTrackMinCache ) )
4306         {
4307             KaxTrackMinCache &cmin = *(KaxTrackMinCache*)l;
4308
4309             msg_Dbg( &sys.demuxer, "|   |   |   + Track MinCache=%d", uint32( cmin ) );
4310         }
4311         else  if( MKV_IS_ID( l, KaxTrackMaxCache ) )
4312         {
4313             KaxTrackMaxCache &cmax = *(KaxTrackMaxCache*)l;
4314
4315             msg_Dbg( &sys.demuxer, "|   |   |   + Track MaxCache=%d", uint32( cmax ) );
4316         }
4317         else  if( MKV_IS_ID( l, KaxTrackDefaultDuration ) )
4318         {
4319             KaxTrackDefaultDuration &defd = *(KaxTrackDefaultDuration*)l;
4320
4321             tk->i_default_duration = uint64(defd);
4322             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default Duration="I64Fd, uint64(defd) );
4323         }
4324         else  if( MKV_IS_ID( l, KaxTrackTimecodeScale ) )
4325         {
4326             KaxTrackTimecodeScale &ttcs = *(KaxTrackTimecodeScale*)l;
4327
4328             tk->f_timecodescale = float( ttcs );
4329             msg_Dbg( &sys.demuxer, "|   |   |   + Track TimeCodeScale=%f", tk->f_timecodescale );
4330         }
4331         else if( MKV_IS_ID( l, KaxTrackName ) )
4332         {
4333             KaxTrackName &tname = *(KaxTrackName*)l;
4334
4335             tk->fmt.psz_description = ToUTF8( UTFstring( tname ) );
4336             msg_Dbg( &sys.demuxer, "|   |   |   + Track Name=%s", tk->fmt.psz_description );
4337         }
4338         else  if( MKV_IS_ID( l, KaxTrackLanguage ) )
4339         {
4340             KaxTrackLanguage &lang = *(KaxTrackLanguage*)l;
4341
4342             if ( tk->fmt.psz_language != NULL )
4343                 free( tk->fmt.psz_language );
4344             tk->fmt.psz_language = strdup( string( lang ).c_str() );
4345             msg_Dbg( &sys.demuxer,
4346                      "|   |   |   + Track Language=`%s'", tk->fmt.psz_language );
4347         }
4348         else  if( MKV_IS_ID( l, KaxCodecID ) )
4349         {
4350             KaxCodecID &codecid = *(KaxCodecID*)l;
4351
4352             tk->psz_codec = strdup( string( codecid ).c_str() );
4353             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecId=%s", string( codecid ).c_str() );
4354         }
4355         else  if( MKV_IS_ID( l, KaxCodecPrivate ) )
4356         {
4357             KaxCodecPrivate &cpriv = *(KaxCodecPrivate*)l;
4358
4359             tk->i_extra_data = cpriv.GetSize();
4360             if( tk->i_extra_data > 0 )
4361             {
4362                 tk->p_extra_data = (uint8_t*)malloc( tk->i_extra_data );
4363                 memcpy( tk->p_extra_data, cpriv.GetBuffer(), tk->i_extra_data );
4364             }
4365             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecPrivate size="I64Fd, cpriv.GetSize() );
4366         }
4367         else if( MKV_IS_ID( l, KaxCodecName ) )
4368         {
4369             KaxCodecName &cname = *(KaxCodecName*)l;
4370
4371             tk->psz_codec_name = ToUTF8( UTFstring( cname ) );
4372             msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Name=%s", tk->psz_codec_name );
4373         }
4374         else if( MKV_IS_ID( l, KaxContentEncodings ) )
4375         {
4376             EbmlMaster *cencs = static_cast<EbmlMaster*>(l);
4377             MkvTree( sys.demuxer, 3, "Content Encodings" );
4378             if ( cencs->ListSize() > 1 )
4379             {
4380                 msg_Err( &sys.demuxer, "Multiple Compression method not supported" );
4381                 bSupported = false;
4382             }
4383             for( j = 0; j < cencs->ListSize(); j++ )
4384             {
4385                 EbmlElement *l2 = (*cencs)[j];
4386                 if( MKV_IS_ID( l2, KaxContentEncoding ) )
4387                 {
4388                     MkvTree( sys.demuxer, 4, "Content Encoding" );
4389                     EbmlMaster *cenc = static_cast<EbmlMaster*>(l2);
4390                     for( k = 0; k < cenc->ListSize(); k++ )
4391                     {
4392                         EbmlElement *l3 = (*cenc)[k];
4393                         if( MKV_IS_ID( l3, KaxContentEncodingOrder ) )
4394                         {
4395                             KaxContentEncodingOrder &encord = *(KaxContentEncodingOrder*)l3;
4396                             MkvTree( sys.demuxer, 5, "Order: %i", uint32( encord ) );
4397                         }
4398                         else if( MKV_IS_ID( l3, KaxContentEncodingScope ) )
4399                         {
4400                             KaxContentEncodingScope &encscope = *(KaxContentEncodingScope*)l3;
4401                             MkvTree( sys.demuxer, 5, "Scope: %i", uint32( encscope ) );
4402                         }
4403                         else if( MKV_IS_ID( l3, KaxContentEncodingType ) )
4404                         {
4405                             KaxContentEncodingType &enctype = *(KaxContentEncodingType*)l3;
4406                             MkvTree( sys.demuxer, 5, "Type: %i", uint32( enctype ) );
4407                         }
4408                         else if( MKV_IS_ID( l3, KaxContentCompression ) )
4409                         {
4410                             EbmlMaster *compr = static_cast<EbmlMaster*>(l3);
4411                             MkvTree( sys.demuxer, 5, "Content Compression" );
4412                             for( n = 0; n < compr->ListSize(); n++ )
4413                             {
4414                                 EbmlElement *l4 = (*compr)[n];
4415                                 if( MKV_IS_ID( l4, KaxContentCompAlgo ) )
4416                                 {
4417                                     KaxContentCompAlgo &compalg = *(KaxContentCompAlgo*)l4;
4418                                     MkvTree( sys.demuxer, 6, "Compression Algorithm: %i", uint32(compalg) );
4419                                     tk->i_compression_type = uint32( compalg );
4420                                     if ( ( tk->i_compression_type != MATROSKA_COMPRESSION_ZLIB ) &&
4421                                          ( tk->i_compression_type != MATROSKA_COMPRESSION_HEADER ) )
4422                                     {
4423                                         msg_Err( &sys.demuxer, "Track Compression method %d not supported", tk->i_compression_type );
4424                                         bSupported = false;
4425                                     }
4426                                 }
4427                                 else if( MKV_IS_ID( l4, KaxContentCompSettings ) )
4428                                 {
4429                                     tk->p_compression_data = new KaxContentCompSettings( *(KaxContentCompSettings*)l4 );
4430                                 }
4431                                 else
4432                                 {
4433                                     MkvTree( sys.demuxer, 6, "Unknown (%s)", typeid(*l4).name() );
4434                                 }
4435                             }
4436                         }
4437                         else
4438                         {
4439                             MkvTree( sys.demuxer, 5, "Unknown (%s)", typeid(*l3).name() );
4440                         }
4441                     }
4442                 }
4443                 else
4444                 {
4445                     MkvTree( sys.demuxer, 4, "Unknown (%s)", typeid(*l2).name() );
4446                 }
4447             }
4448         }
4449 //        else if( EbmlId( *l ) == KaxCodecSettings::ClassInfos.GlobalId )
4450 //        {
4451 //            KaxCodecSettings &cset = *(KaxCodecSettings*)l;
4452
4453 //            tk->psz_codec_settings = ToUTF8( UTFstring( cset ) );
4454 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Settings=%s", tk->psz_codec_settings );
4455 //        }
4456 //        else if( EbmlId( *l ) == KaxCodecInfoURL::ClassInfos.GlobalId )
4457 //        {
4458 //            KaxCodecInfoURL &ciurl = *(KaxCodecInfoURL*)l;
4459
4460 //            tk->psz_codec_info_url = strdup( string( ciurl ).c_str() );
4461 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_info_url );
4462 //        }
4463 //        else if( EbmlId( *l ) == KaxCodecDownloadURL::ClassInfos.GlobalId )
4464 //        {
4465 //            KaxCodecDownloadURL &cdurl = *(KaxCodecDownloadURL*)l;
4466
4467 //            tk->psz_codec_download_url = strdup( string( cdurl ).c_str() );
4468 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_download_url );
4469 //        }
4470 //        else if( EbmlId( *l ) == KaxCodecDecodeAll::ClassInfos.GlobalId )
4471 //        {
4472 //            KaxCodecDecodeAll &cdall = *(KaxCodecDecodeAll*)l;
4473
4474 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Decode All=%u <== UNUSED", uint8( cdall ) );
4475 //        }
4476 //        else if( EbmlId( *l ) == KaxTrackOverlay::ClassInfos.GlobalId )
4477 //        {
4478 //            KaxTrackOverlay &tovr = *(KaxTrackOverlay*)l;
4479
4480 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Overlay=%u <== UNUSED", uint32( tovr ) );
4481 //        }
4482         else  if( MKV_IS_ID( l, KaxTrackVideo ) )
4483         {
4484             EbmlMaster *tkv = static_cast<EbmlMaster*>(l);
4485             unsigned int j;
4486             unsigned int i_crop_right = 0, i_crop_left = 0, i_crop_top = 0, i_crop_bottom = 0;
4487             unsigned int i_display_unit = 0, i_display_width = 0, i_display_height = 0;
4488
4489             msg_Dbg( &sys.demuxer, "|   |   |   + Track Video" );
4490             tk->f_fps = 0.0;
4491
4492             tk->fmt.video.i_frame_rate_base = (unsigned int)(tk->i_default_duration / 1000);
4493             tk->fmt.video.i_frame_rate = 1000000;
4494
4495             for( j = 0; j < tkv->ListSize(); j++ )
4496             {
4497                 EbmlElement *l = (*tkv)[j];
4498 //                if( EbmlId( *el4 ) == KaxVideoFlagInterlaced::ClassInfos.GlobalId )
4499 //                {
4500 //                    KaxVideoFlagInterlaced &fint = *(KaxVideoFlagInterlaced*)el4;
4501
4502 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Interlaced=%u", uint8( fint ) );
4503 //                }
4504 //                else if( EbmlId( *el4 ) == KaxVideoStereoMode::ClassInfos.GlobalId )
4505 //                {
4506 //                    KaxVideoStereoMode &stereo = *(KaxVideoStereoMode*)el4;
4507
4508 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Stereo Mode=%u", uint8( stereo ) );
4509 //                }
4510 //                else
4511                 if( MKV_IS_ID( l, KaxVideoPixelWidth ) )
4512                 {
4513                     KaxVideoPixelWidth &vwidth = *(KaxVideoPixelWidth*)l;
4514
4515                     tk->fmt.video.i_width += uint16( vwidth );
4516                     msg_Dbg( &sys.demuxer, "|   |   |   |   + width=%d", uint16( vwidth ) );
4517                 }
4518                 else if( MKV_IS_ID( l, KaxVideoPixelHeight ) )
4519                 {
4520                     KaxVideoPixelWidth &vheight = *(KaxVideoPixelWidth*)l;
4521
4522                     tk->fmt.video.i_height += uint16( vheight );
4523                     msg_Dbg( &sys.demuxer, "|   |   |   |   + height=%d", uint16( vheight ) );
4524                 }
4525                 else if( MKV_IS_ID( l, KaxVideoDisplayWidth ) )
4526                 {
4527                     KaxVideoDisplayWidth &vwidth = *(KaxVideoDisplayWidth*)l;
4528
4529                     i_display_width = uint16( vwidth );
4530                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display width=%d", uint16( vwidth ) );
4531                 }
4532                 else if( MKV_IS_ID( l, KaxVideoDisplayHeight ) )
4533                 {
4534                     KaxVideoDisplayWidth &vheight = *(KaxVideoDisplayWidth*)l;
4535
4536                     i_display_height = uint16( vheight );
4537                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display height=%d", uint16( vheight ) );
4538                 }
4539                 else if( MKV_IS_ID( l, KaxVideoPixelCropBottom ) )
4540                 {
4541                     KaxVideoPixelCropBottom &cropval = *(KaxVideoPixelCropBottom*)l;
4542
4543                     i_crop_bottom = uint16( cropval );
4544                     msg_Dbg( &sys.demuxer, "|   |   |   |   + crop pixel bottom=%d", uint16( cropval ) );
4545                 }
4546                 else if( MKV_IS_ID( l, KaxVideoPixelCropTop ) )
4547                 {
4548                     KaxVideoPixelCropTop &cropval = *(KaxVideoPixelCropTop*)l;
4549
4550                     i_crop_top = uint16( cropval );
4551                     msg_Dbg( &sys.demuxer, "|   |   |   |   + crop pixel top=%d", uint16( cropval ) );
4552                 }
4553                 else if( MKV_IS_ID( l, KaxVideoPixelCropRight ) )
4554                 {
4555                     KaxVideoPixelCropRight &cropval = *(KaxVideoPixelCropRight*)l;
4556
4557                     i_crop_right = uint16( cropval );
4558                     msg_Dbg( &sys.demuxer, "|   |   |   |   + crop pixel right=%d", uint16( cropval ) );
4559                 }
4560                 else if( MKV_IS_ID( l, KaxVideoPixelCropLeft ) )
4561                 {
4562                     KaxVideoPixelCropLeft &cropval = *(KaxVideoPixelCropLeft*)l;
4563
4564                     i_crop_left = uint16( cropval );
4565                     msg_Dbg( &sys.demuxer, "|   |   |   |   + crop pixel left=%d", uint16( cropval ) );
4566                 }
4567                 else if( MKV_IS_ID( l, KaxVideoFrameRate ) )
4568                 {
4569                     KaxVideoFrameRate &vfps = *(KaxVideoFrameRate*)l;
4570
4571                     tk->f_fps = float( vfps );
4572                     msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( vfps ) );
4573                 }
4574                 else if( EbmlId( *l ) == KaxVideoDisplayUnit::ClassInfos.GlobalId )
4575                 {
4576                     KaxVideoDisplayUnit &vdmode = *(KaxVideoDisplayUnit*)l;
4577
4578                     i_display_unit = uint8( vdmode );
4579                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Display Unit=%s",
4580                              uint8( vdmode ) == 0 ? "pixels" : ( uint8( vdmode ) == 1 ? "centimeters": "inches" ) );
4581                 }
4582 //                else if( EbmlId( *l ) == KaxVideoAspectRatio::ClassInfos.GlobalId )
4583 //                {
4584 //                    KaxVideoAspectRatio &ratio = *(KaxVideoAspectRatio*)l;
4585
4586 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + Track Video Aspect Ratio Type=%u", uint8( ratio ) );
4587 //                }
4588 //                else if( EbmlId( *l ) == KaxVideoGamma::ClassInfos.GlobalId )
4589 //                {
4590 //                    KaxVideoGamma &gamma = *(KaxVideoGamma*)l;
4591
4592 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + gamma=%f", float( gamma ) );
4593 //                }
4594                 else
4595                 {
4596                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4597                 }
4598             }
4599             if( i_display_height && i_display_width )
4600                 tk->fmt.video.i_aspect = VOUT_ASPECT_FACTOR * i_display_width / i_display_height;
4601             if( i_crop_left || i_crop_right || i_crop_top || i_crop_bottom )
4602             {
4603                 tk->fmt.video.i_visible_width = tk->fmt.video.i_width;
4604                 tk->fmt.video.i_visible_height = tk->fmt.video.i_height;
4605                 tk->fmt.video.i_x_offset = i_crop_left;
4606                 tk->fmt.video.i_y_offset = i_crop_top;
4607                 tk->fmt.video.i_visible_width -= i_crop_left + i_crop_right;
4608                 tk->fmt.video.i_visible_height -= i_crop_top + i_crop_bottom;
4609             }
4610             /* FIXME: i_display_* allows you to not only set DAR, but also a zoom factor.
4611                we do not support this atm */
4612         }
4613         else  if( MKV_IS_ID( l, KaxTrackAudio ) )
4614         {
4615             EbmlMaster *tka = static_cast<EbmlMaster*>(l);
4616             unsigned int j;
4617
4618             msg_Dbg( &sys.demuxer, "|   |   |   + Track Audio" );
4619
4620             for( j = 0; j < tka->ListSize(); j++ )
4621             {
4622                 EbmlElement *l = (*tka)[j];
4623
4624                 if( MKV_IS_ID( l, KaxAudioSamplingFreq ) )
4625                 {
4626                     KaxAudioSamplingFreq &afreq = *(KaxAudioSamplingFreq*)l;
4627
4628                     tk->i_original_rate = tk->fmt.audio.i_rate = (int)float( afreq );
4629                     msg_Dbg( &sys.demuxer, "|   |   |   |   + afreq=%d", tk->fmt.audio.i_rate );
4630                 }
4631                 else if( MKV_IS_ID( l, KaxAudioOutputSamplingFreq ) )
4632                 {
4633                     KaxAudioOutputSamplingFreq &afreq = *(KaxAudioOutputSamplingFreq*)l;
4634
4635                     tk->fmt.audio.i_rate = (int)float( afreq );
4636                     msg_Dbg( &sys.demuxer, "|   |   |   |   + aoutfreq=%d", tk->fmt.audio.i_rate );
4637                 }
4638                 else if( MKV_IS_ID( l, KaxAudioChannels ) )
4639                 {
4640                     KaxAudioChannels &achan = *(KaxAudioChannels*)l;
4641
4642                     tk->fmt.audio.i_channels = uint8( achan );
4643                     msg_Dbg( &sys.demuxer, "|   |   |   |   + achan=%u", uint8( achan ) );
4644                 }
4645                 else if( MKV_IS_ID( l, KaxAudioBitDepth ) )
4646                 {
4647                     KaxAudioBitDepth &abits = *(KaxAudioBitDepth*)l;
4648
4649                     tk->fmt.audio.i_bitspersample = uint8( abits );
4650                     msg_Dbg( &sys.demuxer, "|   |   |   |   + abits=%u", uint8( abits ) );
4651                 }
4652                 else
4653                 {
4654                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4655                 }
4656             }
4657         }
4658         else
4659         {
4660             msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)",
4661                      typeid(*l).name() );
4662         }
4663     }
4664
4665     if ( bSupported )
4666     {
4667         tracks.push_back( tk );
4668     }
4669     else
4670     {
4671         msg_Err( &sys.demuxer, "Track Entry %d not supported", tk->i_number );
4672         delete tk;
4673     }
4674 }
4675
4676 /*****************************************************************************
4677  * ParseTracks:
4678  *****************************************************************************/
4679 void matroska_segment_c::ParseTracks( KaxTracks *tracks )
4680 {
4681     EbmlElement *el;
4682     unsigned int i;
4683     int i_upper_level = 0;
4684
4685     msg_Dbg( &sys.demuxer, "|   + Tracks" );
4686
4687     /* Master elements */
4688     tracks->Read( es, tracks->Generic().Context, i_upper_level, el, true );
4689
4690     for( i = 0; i < tracks->ListSize(); i++ )
4691     {
4692         EbmlElement *l = (*tracks)[i];
4693
4694         if( MKV_IS_ID( l, KaxTrackEntry ) )
4695         {
4696             ParseTrackEntry( static_cast<KaxTrackEntry *>(l) );
4697         }
4698         else
4699         {
4700             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4701         }
4702     }
4703 }
4704
4705 /*****************************************************************************
4706  * ParseInfo:
4707  *****************************************************************************/
4708 void matroska_segment_c::ParseInfo( KaxInfo *info )
4709 {
4710     EbmlElement *el;
4711     EbmlMaster  *m;
4712     size_t i, j;
4713     int i_upper_level = 0;
4714
4715     msg_Dbg( &sys.demuxer, "|   + Information" );
4716
4717     /* Master elements */
4718     m = static_cast<EbmlMaster *>(info);
4719     m->Read( es, info->Generic().Context, i_upper_level, el, true );
4720
4721     for( i = 0; i < m->ListSize(); i++ )
4722     {
4723         EbmlElement *l = (*m)[i];
4724
4725         if( MKV_IS_ID( l, KaxSegmentUID ) )
4726         {
4727             if ( p_segment_uid == NULL )
4728                 p_segment_uid = new KaxSegmentUID(*static_cast<KaxSegmentUID*>(l));
4729
4730             msg_Dbg( &sys.demuxer, "|   |   + UID=%d", *(uint32*)p_segment_uid->GetBuffer() );
4731         }
4732         else if( MKV_IS_ID( l, KaxPrevUID ) )
4733         {
4734             if ( p_prev_segment_uid == NULL )
4735                 p_prev_segment_uid = new KaxPrevUID(*static_cast<KaxPrevUID*>(l));
4736
4737             msg_Dbg( &sys.demuxer, "|   |   + PrevUID=%d", *(uint32*)p_prev_segment_uid->GetBuffer() );
4738         }
4739         else if( MKV_IS_ID( l, KaxNextUID ) )
4740         {
4741             if ( p_next_segment_uid == NULL )
4742                 p_next_segment_uid = new KaxNextUID(*static_cast<KaxNextUID*>(l));
4743
4744             msg_Dbg( &sys.demuxer, "|   |   + NextUID=%d", *(uint32*)p_next_segment_uid->GetBuffer() );
4745         }
4746         else if( MKV_IS_ID( l, KaxTimecodeScale ) )
4747         {
4748             KaxTimecodeScale &tcs = *(KaxTimecodeScale*)l;
4749
4750             i_timescale = uint64(tcs);
4751
4752             msg_Dbg( &sys.demuxer, "|   |   + TimecodeScale="I64Fd,
4753                      i_timescale );
4754         }
4755         else if( MKV_IS_ID( l, KaxDuration ) )
4756         {
4757             KaxDuration &dur = *(KaxDuration*)l;
4758
4759             i_duration = mtime_t( double( dur ) );
4760
4761             msg_Dbg( &sys.demuxer, "|   |   + Duration="I64Fd,
4762                      i_duration );
4763         }
4764         else if( MKV_IS_ID( l, KaxMuxingApp ) )
4765         {
4766             KaxMuxingApp &mapp = *(KaxMuxingApp*)l;
4767
4768             psz_muxing_application = ToUTF8( UTFstring( mapp ) );
4769
4770             msg_Dbg( &sys.demuxer, "|   |   + Muxing Application=%s",
4771                      psz_muxing_application );
4772         }
4773         else if( MKV_IS_ID( l, KaxWritingApp ) )
4774         {
4775             KaxWritingApp &wapp = *(KaxWritingApp*)l;
4776
4777             psz_writing_application = ToUTF8( UTFstring( wapp ) );
4778
4779             msg_Dbg( &sys.demuxer, "|   |   + Writing Application=%s",
4780                      psz_writing_application );
4781         }
4782         else if( MKV_IS_ID( l, KaxSegmentFilename ) )
4783         {
4784             KaxSegmentFilename &sfn = *(KaxSegmentFilename*)l;
4785
4786             psz_segment_filename = ToUTF8( UTFstring( sfn ) );
4787
4788             msg_Dbg( &sys.demuxer, "|   |   + Segment Filename=%s",
4789                      psz_segment_filename );
4790         }
4791         else if( MKV_IS_ID( l, KaxTitle ) )
4792         {
4793             KaxTitle &title = *(KaxTitle*)l;
4794
4795             psz_title = ToUTF8( UTFstring( title ) );
4796
4797             msg_Dbg( &sys.demuxer, "|   |   + Title=%s", psz_title );
4798         }
4799         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
4800         {
4801             KaxSegmentFamily *uid = static_cast<KaxSegmentFamily*>(l);
4802
4803             families.push_back( new KaxSegmentFamily(*uid) );
4804
4805             msg_Dbg( &sys.demuxer, "|   |   + family=%d", *(uint32*)uid->GetBuffer() );
4806         }
4807 #if defined( HAVE_GMTIME_R ) && !defined( __APPLE__ )
4808         else if( MKV_IS_ID( l, KaxDateUTC ) )
4809         {
4810             KaxDateUTC &date = *(KaxDateUTC*)l;
4811             time_t i_date;
4812             struct tm tmres;
4813             char   buffer[256];
4814
4815             i_date = date.GetEpochDate();
4816             memset( buffer, 0, 256 );
4817             if( gmtime_r( &i_date, &tmres ) &&
4818                 asctime_r( &tmres, buffer ) )
4819             {
4820                 buffer[strlen( buffer)-1]= '\0';
4821                 psz_date_utc = strdup( buffer );
4822                 msg_Dbg( &sys.demuxer, "|   |   + Date=%s", psz_date_utc );
4823             }
4824         }
4825 #endif
4826 #if LIBMATROSKA_VERSION >= 0x000704
4827         else if( MKV_IS_ID( l, KaxChapterTranslate ) )
4828         {
4829             KaxChapterTranslate *p_trans = static_cast<KaxChapterTranslate*>( l );
4830             chapter_translation_c *p_translate = new chapter_translation_c();
4831
4832             p_trans->Read( es, p_trans->Generic().Context, i_upper_level, el, true );
4833             for( j = 0; j < p_trans->ListSize(); j++ )
4834             {
4835                 EbmlElement *l = (*p_trans)[j];
4836
4837                 if( MKV_IS_ID( l, KaxChapterTranslateEditionUID ) )
4838                 {
4839                     p_translate->editions.push_back( uint64( *static_cast<KaxChapterTranslateEditionUID*>( l ) ) );
4840                 }
4841                 else if( MKV_IS_ID( l, KaxChapterTranslateCodec ) )
4842                 {
4843                     p_translate->codec_id = uint32( *static_cast<KaxChapterTranslateCodec*>( l ) );
4844                 }
4845                 else if( MKV_IS_ID( l, KaxChapterTranslateID ) )
4846                 {
4847                     p_translate->p_translated = new KaxChapterTranslateID( *static_cast<KaxChapterTranslateID*>( l ) );
4848                 }
4849             }
4850
4851             translations.push_back( p_translate );
4852         }
4853 #endif
4854         else
4855         {
4856             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4857         }
4858     }
4859
4860     double f_dur = double(i_duration) * double(i_timescale) / 1000000.0;
4861     i_duration = mtime_t(f_dur);
4862 }
4863
4864
4865 /*****************************************************************************
4866  * ParseChapterAtom
4867  *****************************************************************************/
4868 void matroska_segment_c::ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters )
4869 {
4870     size_t i, j;
4871
4872     msg_Dbg( &sys.demuxer, "|   |   |   + ChapterAtom (level=%d)", i_level );
4873     for( i = 0; i < ca->ListSize(); i++ )
4874     {
4875         EbmlElement *l = (*ca)[i];
4876
4877         if( MKV_IS_ID( l, KaxChapterUID ) )
4878         {
4879             chapters.i_uid = uint64_t(*(KaxChapterUID*)l);
4880             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterUID: %lld", chapters.i_uid );
4881         }
4882         else if( MKV_IS_ID( l, KaxChapterFlagHidden ) )
4883         {
4884             KaxChapterFlagHidden &flag =*(KaxChapterFlagHidden*)l;
4885             chapters.b_display_seekpoint = uint8( flag ) == 0;
4886
4887             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterFlagHidden: %s", chapters.b_display_seekpoint ? "no":"yes" );
4888         }
4889         else if( MKV_IS_ID( l, KaxChapterTimeStart ) )
4890         {
4891             KaxChapterTimeStart &start =*(KaxChapterTimeStart*)l;
4892             chapters.i_start_time = uint64( start ) / I64C(1000);
4893
4894             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeStart: %lld", chapters.i_start_time );
4895         }
4896         else if( MKV_IS_ID( l, KaxChapterTimeEnd ) )
4897         {
4898             KaxChapterTimeEnd &end =*(KaxChapterTimeEnd*)l;
4899             chapters.i_end_time = uint64( end ) / I64C(1000);
4900
4901             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeEnd: %lld", chapters.i_end_time );
4902         }
4903         else if( MKV_IS_ID( l, KaxChapterDisplay ) )
4904         {
4905             EbmlMaster *cd = static_cast<EbmlMaster *>(l);
4906
4907             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterDisplay" );
4908             for( j = 0; j < cd->ListSize(); j++ )
4909             {
4910                 EbmlElement *l= (*cd)[j];
4911
4912                 if( MKV_IS_ID( l, KaxChapterString ) )
4913                 {
4914                     int k;
4915
4916                     KaxChapterString &name =*(KaxChapterString*)l;
4917                     for (k = 0; k < i_level; k++)
4918                         chapters.psz_name += '+';
4919                     chapters.psz_name += ' ';
4920                     char *psz_tmp_utf8 = ToUTF8( UTFstring( name ) );
4921                     chapters.psz_name += psz_tmp_utf8;
4922                     chapters.b_user_display = true;
4923
4924                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterString '%s'", psz_tmp_utf8 );
4925                     free( psz_tmp_utf8 );
4926                 }
4927                 else if( MKV_IS_ID( l, KaxChapterLanguage ) )
4928                 {
4929                     KaxChapterLanguage &lang =*(KaxChapterLanguage*)l;
4930                     const char *psz = string( lang ).c_str();
4931
4932                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterLanguage '%s'", psz );
4933                 }
4934                 else if( MKV_IS_ID( l, KaxChapterCountry ) )
4935                 {
4936                     KaxChapterCountry &ct =*(KaxChapterCountry*)l;
4937                     const char *psz = string( ct ).c_str();
4938
4939                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterCountry '%s'", psz );
4940                 }
4941             }
4942         }
4943         else if( MKV_IS_ID( l, KaxChapterProcess ) )
4944         {
4945             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterProcess" );
4946
4947             KaxChapterProcess *cp = static_cast<KaxChapterProcess *>(l);
4948             chapter_codec_cmds_c *p_ccodec = NULL;
4949
4950             for( j = 0; j < cp->ListSize(); j++ )
4951             {
4952                 EbmlElement *k= (*cp)[j];
4953
4954                 if( MKV_IS_ID( k, KaxChapterProcessCodecID ) )
4955                 {
4956                     KaxChapterProcessCodecID *p_codec_id = static_cast<KaxChapterProcessCodecID*>( k );
4957                     if ( uint32(*p_codec_id) == 0 )
4958                         p_ccodec = new matroska_script_codec_c( sys );
4959                     else if ( uint32(*p_codec_id) == 1 )
4960                         p_ccodec = new dvd_chapter_codec_c( sys );
4961                     break;
4962                 }
4963             }
4964
4965             if ( p_ccodec != NULL )
4966             {
4967                 for( j = 0; j < cp->ListSize(); j++ )
4968                 {
4969                     EbmlElement *k= (*cp)[j];
4970
4971                     if( MKV_IS_ID( k, KaxChapterProcessPrivate ) )
4972                     {
4973                         KaxChapterProcessPrivate * p_private = static_cast<KaxChapterProcessPrivate*>( k );
4974                         p_ccodec->SetPrivate( *p_private );
4975                     }
4976                     else if( MKV_IS_ID( k, KaxChapterProcessCommand ) )
4977                     {
4978                         p_ccodec->AddCommand( *static_cast<KaxChapterProcessCommand*>( k ) );
4979                     }
4980                 }
4981                 chapters.codecs.push_back( p_ccodec );
4982             }
4983         }
4984         else if( MKV_IS_ID( l, KaxChapterAtom ) )
4985         {
4986             chapter_item_c *new_sub_chapter = new chapter_item_c();
4987             ParseChapterAtom( i_level+1, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4988             new_sub_chapter->psz_parent = &chapters;
4989             chapters.sub_chapters.push_back( new_sub_chapter );
4990         }
4991     }
4992 }
4993
4994 /*****************************************************************************
4995  * ParseAttachments:
4996  *****************************************************************************/
4997 void matroska_segment_c::ParseAttachments( KaxAttachments *attachments )
4998 {
4999     EbmlElement *el;
5000     int i_upper_level = 0;
5001
5002     attachments->Read( es, attachments->Generic().Context, i_upper_level, el, true );
5003
5004     KaxAttached *attachedFile = FindChild<KaxAttached>( *attachments );
5005
5006     while( attachedFile && ( attachedFile->GetSize() > 0 ) )
5007     {
5008         std::string psz_mime_type  = GetChild<KaxMimeType>( *attachedFile );
5009         KaxFileName  &file_name    = GetChild<KaxFileName>( *attachedFile );
5010         KaxFileData  &img_data     = GetChild<KaxFileData>( *attachedFile );
5011
5012         attachment_c *new_attachment = new attachment_c();
5013
5014         if( new_attachment )
5015         {
5016             new_attachment->psz_file_name  = ToUTF8( UTFstring( file_name ) );
5017             new_attachment->psz_mime_type  = psz_mime_type;
5018             new_attachment->i_size         = img_data.GetSize();
5019             new_attachment->p_data         = malloc( img_data.GetSize() );
5020
5021             if( new_attachment->p_data )
5022             {
5023                 memcpy( new_attachment->p_data, img_data.GetBuffer(), img_data.GetSize() );
5024                 sys.stored_attachments.push_back( new_attachment );
5025             }
5026             else
5027             {
5028                 delete new_attachment;
5029             }
5030         }
5031
5032         attachedFile = &GetNextChild<KaxAttached>( *attachments, *attachedFile );
5033     }
5034 }
5035
5036 /*****************************************************************************
5037  * ParseChapters:
5038  *****************************************************************************/
5039 void matroska_segment_c::ParseChapters( KaxChapters *chapters )
5040 {
5041     EbmlElement *el;
5042     size_t i;
5043     int i_upper_level = 0;
5044     mtime_t i_dur;
5045
5046     /* Master elements */
5047     chapters->Read( es, chapters->Generic().Context, i_upper_level, el, true );
5048
5049     for( i = 0; i < chapters->ListSize(); i++ )
5050     {
5051         EbmlElement *l = (*chapters)[i];
5052
5053         if( MKV_IS_ID( l, KaxEditionEntry ) )
5054         {
5055             chapter_edition_c *p_edition = new chapter_edition_c();
5056
5057             EbmlMaster *E = static_cast<EbmlMaster *>(l );
5058             size_t j;
5059             msg_Dbg( &sys.demuxer, "|   |   + EditionEntry" );
5060             for( j = 0; j < E->ListSize(); j++ )
5061             {
5062                 EbmlElement *l = (*E)[j];
5063
5064                 if( MKV_IS_ID( l, KaxChapterAtom ) )
5065                 {
5066                     chapter_item_c *new_sub_chapter = new chapter_item_c();
5067                     ParseChapterAtom( 0, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
5068                     p_edition->sub_chapters.push_back( new_sub_chapter );
5069                 }
5070                 else if( MKV_IS_ID( l, KaxEditionUID ) )
5071                 {
5072                     p_edition->i_uid = uint64(*static_cast<KaxEditionUID *>( l ));
5073                 }
5074                 else if( MKV_IS_ID( l, KaxEditionFlagOrdered ) )
5075                 {
5076                     p_edition->b_ordered = config_GetInt( &sys.demuxer, "mkv-use-ordered-chapters" ) ? (uint8(*static_cast<KaxEditionFlagOrdered *>( l )) != 0) : 0;
5077                 }
5078                 else if( MKV_IS_ID( l, KaxEditionFlagDefault ) )
5079                 {
5080                     if (uint8(*static_cast<KaxEditionFlagDefault *>( l )) != 0)
5081                         i_default_edition = stored_editions.size();
5082                 }
5083                 else
5084                 {
5085                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
5086                 }
5087             }
5088             stored_editions.push_back( p_edition );
5089         }
5090         else
5091         {
5092             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
5093         }
5094     }
5095
5096     for( i = 0; i < stored_editions.size(); i++ )
5097     {
5098         stored_editions[i]->RefreshChapters( );
5099     }
5100
5101     if ( stored_editions.size() != 0 && stored_editions[i_default_edition]->b_ordered )
5102     {
5103         /* update the duration of the segment according to the sum of all sub chapters */
5104         i_dur = stored_editions[i_default_edition]->Duration() / I64C(1000);
5105         if (i_dur > 0)
5106             i_duration = i_dur;
5107     }
5108 }
5109
5110 void matroska_segment_c::ParseCluster( )
5111 {
5112     EbmlElement *el;
5113     EbmlMaster  *m;
5114     unsigned int i;
5115     int i_upper_level = 0;
5116
5117     /* Master elements */
5118     m = static_cast<EbmlMaster *>( cluster );
5119     m->Read( es, cluster->Generic().Context, i_upper_level, el, true );
5120
5121     for( i = 0; i < m->ListSize(); i++ )
5122     {
5123         EbmlElement *l = (*m)[i];
5124
5125         if( MKV_IS_ID( l, KaxClusterTimecode ) )
5126         {
5127             KaxClusterTimecode &ctc = *(KaxClusterTimecode*)l;
5128
5129             cluster->InitTimecode( uint64( ctc ), i_timescale );
5130             break;
5131         }
5132     }
5133
5134     i_start_time = cluster->GlobalTimecode() / 1000;
5135 }
5136
5137 /*****************************************************************************
5138  * InformationCreate:
5139  *****************************************************************************/
5140 void matroska_segment_c::InformationCreate( )
5141 {
5142     sys.meta = vlc_meta_New();
5143
5144     if( psz_title )
5145     {
5146         vlc_meta_SetTitle( sys.meta, psz_title );
5147     }
5148     if( psz_date_utc )
5149     {
5150         vlc_meta_SetDate( sys.meta, psz_date_utc );
5151     }
5152 #if 0
5153     if( psz_segment_filename )
5154     {
5155         fprintf( stderr, "***** WARNING: Unhandled meta - Use custom\n" );
5156     }
5157     if( psz_muxing_application )
5158     {
5159         fprintf( stderr, "***** WARNING: Unhandled meta - Use custom\n" );
5160     }
5161     if( psz_writing_application )
5162     {
5163         fprintf( stderr, "***** WARNING: Unhandled meta - Use custom\n" );
5164     }
5165
5166     for( size_t i_track = 0; i_track < tracks.size(); i_track++ )
5167     {
5168 //        mkv_track_t *tk = tracks[i_track];
5169 //        vlc_meta_t *mtk = vlc_meta_New();
5170         fprintf( stderr, "***** WARNING: Unhandled child meta\n");
5171     }
5172 #endif
5173
5174     if( i_tags_position >= 0 )
5175     {
5176         vlc_bool_t b_seekable;
5177
5178         stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
5179         if( b_seekable )
5180         {
5181             LoadTags( );
5182         }
5183     }
5184 }
5185
5186
5187 /*****************************************************************************
5188  * Divers
5189  *****************************************************************************/
5190
5191 void matroska_segment_c::IndexAppendCluster( KaxCluster *cluster )
5192 {
5193 #define idx p_indexes[i_index]
5194     idx.i_track       = -1;
5195     idx.i_block_number= -1;
5196     idx.i_position    = cluster->GetElementPosition();
5197     idx.i_time        = -1;
5198     idx.b_key         = VLC_TRUE;
5199
5200     i_index++;
5201     if( i_index >= i_index_max )
5202     {
5203         i_index_max += 1024;
5204         p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
5205     }
5206 #undef idx
5207 }
5208
5209 void chapter_edition_c::RefreshChapters( )
5210 {
5211     chapter_item_c::RefreshChapters( b_ordered, -1 );
5212     b_display_seekpoint = false;
5213 }
5214
5215 int64_t chapter_item_c::RefreshChapters( bool b_ordered, int64_t i_prev_user_time )
5216 {
5217     int64_t i_user_time = i_prev_user_time;
5218
5219     // first the sub-chapters, and then ourself
5220     std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
5221     while ( index != sub_chapters.end() )
5222     {
5223         i_user_time = (*index)->RefreshChapters( b_ordered, i_user_time );
5224         index++;
5225     }
5226
5227     if ( b_ordered )
5228     {
5229         // the ordered chapters always start at zero
5230         if ( i_prev_user_time == -1 )
5231         {
5232             if ( i_user_time == -1 )
5233                 i_user_time = 0;
5234             i_prev_user_time = 0;
5235         }
5236
5237         i_user_start_time = i_prev_user_time;
5238         if ( i_end_time != -1 && i_user_time == i_prev_user_time )
5239         {
5240             i_user_end_time = i_user_start_time - i_start_time + i_end_time;
5241         }
5242         else
5243         {
5244             i_user_end_time = i_user_time;
5245         }
5246     }
5247     else
5248     {
5249         if ( sub_chapters.begin() != sub_chapters.end() )
5250             std::sort( sub_chapters.begin(), sub_chapters.end(), chapter_item_c::CompareTimecode );
5251         i_user_start_time = i_start_time;
5252         if ( i_end_time != -1 )
5253             i_user_end_time = i_end_time;
5254         else if ( i_user_time != -1 )
5255             i_user_end_time = i_user_time;
5256         else
5257             i_user_end_time = i_user_start_time;
5258     }
5259
5260     return i_user_end_time;
5261 }
5262
5263 mtime_t chapter_edition_c::Duration() const
5264 {
5265     mtime_t i_result = 0;
5266
5267     if ( sub_chapters.size() )
5268     {
5269         std::vector<chapter_item_c*>::const_iterator index = sub_chapters.end();
5270         index--;
5271         i_result = (*index)->i_user_end_time;
5272     }
5273
5274     return i_result;
5275 }
5276
5277 chapter_item_c * chapter_edition_c::FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current )
5278 {
5279     if ( !b_ordered )
5280         p_current = NULL;
5281     bool b_found_current = false;
5282     return chapter_item_c::FindTimecode( i_timecode, p_current, b_found_current );
5283 }
5284
5285 chapter_item_c *chapter_item_c::FindTimecode( mtime_t i_user_timecode, const chapter_item_c * p_current, bool & b_found )
5286 {
5287     chapter_item_c *psz_result = NULL;
5288
5289     if ( p_current == this )
5290         b_found = true;
5291
5292     if ( i_user_timecode >= i_user_start_time &&
5293         ( i_user_timecode < i_user_end_time ||
5294           ( i_user_start_time == i_user_end_time && i_user_timecode == i_user_end_time )))
5295     {
5296         std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
5297         while ( index != sub_chapters.end() && ((p_current == NULL && psz_result == NULL) || (p_current != NULL && (!b_found || psz_result == NULL))))
5298         {
5299             psz_result = (*index)->FindTimecode( i_user_timecode, p_current, b_found );
5300             index++;
5301         }
5302
5303         if ( psz_result == NULL )
5304             psz_result = this;
5305     }
5306
5307     return psz_result;
5308 }
5309
5310 bool chapter_item_c::ParentOf( const chapter_item_c & item ) const
5311 {
5312     if ( &item == this )
5313         return true;
5314
5315     std::vector<chapter_item_c*>::const_iterator index = sub_chapters.begin();
5316     while ( index != sub_chapters.end() )
5317     {
5318         if ( (*index)->ParentOf( item ) )
5319             return true;
5320         index++;
5321     }
5322
5323     return false;
5324 }
5325
5326 void demux_sys_t::PreloadFamily( const matroska_segment_c & of_segment )
5327 {
5328     for (size_t i=0; i<opened_segments.size(); i++)
5329     {
5330         opened_segments[i]->PreloadFamily( of_segment );
5331     }
5332 }
5333 bool matroska_segment_c::PreloadFamily( const matroska_segment_c & of_segment )
5334 {
5335     if ( b_preloaded )
5336         return false;
5337
5338     for (size_t i=0; i<families.size(); i++)
5339     {
5340         for (size_t j=0; j<of_segment.families.size(); j++)
5341         {
5342             if ( *(families[i]) == *(of_segment.families[j]) )
5343                 return Preload( );
5344         }
5345     }
5346
5347     return false;
5348 }
5349
5350 // preload all the linked segments for all preloaded segments
5351 void demux_sys_t::PreloadLinked( matroska_segment_c *p_segment )
5352 {
5353     size_t i_preloaded, i, j;
5354     virtual_segment_c *p_seg;
5355
5356     p_current_segment = VirtualFromSegments( p_segment );
5357
5358     used_segments.push_back( p_current_segment );
5359
5360     // create all the other virtual segments of the family
5361     do {
5362         i_preloaded = 0;
5363         for ( i=0; i< opened_segments.size(); i++ )
5364         {
5365             if ( opened_segments[i]->b_preloaded && !IsUsedSegment( *opened_segments[i] ) )
5366             {
5367                 p_seg = VirtualFromSegments( opened_segments[i] );
5368                 used_segments.push_back( p_seg );
5369                 i_preloaded++;
5370             }
5371         }
5372     } while ( i_preloaded ); // worst case: will stop when all segments are found as family related
5373
5374     // publish all editions of all usable segment
5375     for ( i=0; i< used_segments.size(); i++ )
5376     {
5377         p_seg = used_segments[i];
5378         if ( p_seg->p_editions != NULL )
5379         {
5380             std::string sz_name;
5381             input_title_t *p_title = vlc_input_title_New();
5382             p_seg->i_sys_title = i;
5383             int i_chapters;
5384
5385             // TODO use a name for each edition, let the TITLE deal with a codec name
5386             for ( j=0; j<p_seg->p_editions->size(); j++ )
5387             {
5388                 if ( p_title->psz_name == NULL )
5389                 {
5390                     sz_name = (*p_seg->p_editions)[j]->GetMainName();
5391                     if ( sz_name != "" )
5392                         p_title->psz_name = strdup( sz_name.c_str() );
5393                 }
5394
5395                 chapter_edition_c *p_edition = (*p_seg->p_editions)[j];
5396
5397                 i_chapters = 0;
5398                 p_edition->PublishChapters( *p_title, i_chapters, 0 );
5399             }
5400
5401             // create a name if there is none
5402             if ( p_title->psz_name == NULL )
5403             {
5404                 sz_name = N_("Segment");
5405                 char psz_str[6];
5406                 sprintf( psz_str, " %d", (int)i );
5407                 sz_name += psz_str;
5408                 p_title->psz_name = strdup( sz_name.c_str() );
5409             }
5410
5411             titles.push_back( p_title );
5412         }
5413     }
5414
5415     // TODO decide which segment should be first used (VMG for DVD)
5416 }
5417
5418 bool demux_sys_t::IsUsedSegment( matroska_segment_c &segment ) const
5419 {
5420     for ( size_t i=0; i< used_segments.size(); i++ )
5421     {
5422         if ( used_segments[i]->FindUID( *segment.p_segment_uid ) )
5423             return true;
5424     }
5425     return false;
5426 }
5427
5428 virtual_segment_c *demux_sys_t::VirtualFromSegments( matroska_segment_c *p_segment ) const
5429 {
5430     size_t i_preloaded, i;
5431
5432     virtual_segment_c *p_result = new virtual_segment_c( p_segment );
5433
5434     // fill our current virtual segment with all hard linked segments
5435     do {
5436         i_preloaded = 0;
5437         for ( i=0; i< opened_segments.size(); i++ )
5438         {
5439             i_preloaded += p_result->AddSegment( opened_segments[i] );
5440         }
5441     } while ( i_preloaded ); // worst case: will stop when all segments are found as linked
5442
5443     p_result->Sort( );
5444
5445     p_result->PreloadLinked( );
5446
5447     p_result->PrepareChapters( );
5448
5449     return p_result;
5450 }
5451
5452 bool demux_sys_t::PreparePlayback( virtual_segment_c *p_new_segment )
5453 {
5454     if ( p_new_segment != NULL && p_new_segment != p_current_segment )
5455     {
5456         if ( p_current_segment != NULL && p_current_segment->Segment() != NULL )
5457             p_current_segment->Segment()->UnSelect();
5458
5459         p_current_segment = p_new_segment;
5460         i_current_title = p_new_segment->i_sys_title;
5461     }
5462
5463     p_current_segment->LoadCues();
5464     f_duration = p_current_segment->Duration();
5465
5466     /* add information */
5467     p_current_segment->Segment()->InformationCreate( );
5468
5469     p_current_segment->Segment()->Select( 0 );
5470
5471     return true;
5472 }
5473
5474 void demux_sys_t::JumpTo( virtual_segment_c & vsegment, chapter_item_c * p_chapter )
5475 {
5476     // if the segment is not part of the current segment, select the new one
5477     if ( &vsegment != p_current_segment )
5478     {
5479         PreparePlayback( &vsegment );
5480     }
5481
5482     if ( p_chapter != NULL )
5483     {
5484         if ( !p_chapter->Enter( true ) )
5485         {
5486             // jump to the location in the found segment
5487             vsegment.Seek( demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5488         }
5489     }
5490
5491 }
5492
5493 bool matroska_segment_c::CompareSegmentUIDs( const matroska_segment_c * p_item_a, const matroska_segment_c * p_item_b )
5494 {
5495     EbmlBinary *p_tmp;
5496
5497     if ( p_item_a == NULL || p_item_b == NULL )
5498         return false;
5499
5500     p_tmp = (EbmlBinary *)p_item_a->p_segment_uid;
5501     if ( p_item_b->p_prev_segment_uid != NULL
5502           && *p_tmp == *p_item_b->p_prev_segment_uid )
5503         return true;
5504
5505     p_tmp = (EbmlBinary *)p_item_a->p_next_segment_uid;
5506     if ( !p_tmp )
5507         return false;
5508
5509     if ( p_item_b->p_segment_uid != NULL
5510           && *p_tmp == *p_item_b->p_segment_uid )
5511         return true;
5512
5513     if ( p_item_b->p_prev_segment_uid != NULL
5514           && *p_tmp == *p_item_b->p_prev_segment_uid )
5515         return true;
5516
5517     return false;
5518 }
5519
5520 bool matroska_segment_c::Preload( )
5521 {
5522     if ( b_preloaded )
5523         return false;
5524
5525     EbmlElement *el = NULL;
5526
5527     ep->Reset( &sys.demuxer );
5528
5529     while( ( el = ep->Get() ) != NULL )
5530     {
5531         if( MKV_IS_ID( el, KaxInfo ) )
5532         {
5533             ParseInfo( static_cast<KaxInfo*>( el ) );
5534         }
5535         else if( MKV_IS_ID( el, KaxTracks ) )
5536         {
5537             ParseTracks( static_cast<KaxTracks*>( el ) );
5538             if ( tracks.size() == 0 )
5539             {
5540                 msg_Err( &sys.demuxer, "No tracks supported" );
5541                 return false;
5542             }
5543         }
5544         else if( MKV_IS_ID( el, KaxSeekHead ) )
5545         {
5546             ParseSeekHead( static_cast<KaxSeekHead*>( el ) );
5547         }
5548         else if( MKV_IS_ID( el, KaxCues ) )
5549         {
5550             msg_Dbg( &sys.demuxer, "|   + Cues" );
5551         }
5552         else if( MKV_IS_ID( el, KaxCluster ) )
5553         {
5554             msg_Dbg( &sys.demuxer, "|   + Cluster" );
5555
5556             cluster = (KaxCluster*)el;
5557
5558             i_cluster_pos = i_start_pos = cluster->GetElementPosition();
5559             ParseCluster( );
5560
5561             ep->Down();
5562             /* stop parsing the stream */
5563             break;
5564         }
5565         else if( MKV_IS_ID( el, KaxAttachments ) )
5566         {
5567             msg_Dbg( &sys.demuxer, "|   + Attachments" );
5568             ParseAttachments( static_cast<KaxAttachments*>( el ) );
5569         }
5570         else if( MKV_IS_ID( el, KaxChapters ) )
5571         {
5572             msg_Dbg( &sys.demuxer, "|   + Chapters" );
5573             ParseChapters( static_cast<KaxChapters*>( el ) );
5574         }
5575         else if( MKV_IS_ID( el, KaxTag ) )
5576         {
5577             msg_Dbg( &sys.demuxer, "|   + Tags FIXME TODO" );
5578         }
5579         else
5580         {
5581             msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid(*el).name() );
5582         }
5583     }
5584
5585     b_preloaded = true;
5586
5587     return true;
5588 }
5589
5590 matroska_segment_c *demux_sys_t::FindSegment( const EbmlBinary & uid ) const
5591 {
5592     for (size_t i=0; i<opened_segments.size(); i++)
5593     {
5594         if ( *opened_segments[i]->p_segment_uid == uid )
5595             return opened_segments[i];
5596     }
5597     return NULL;
5598 }
5599
5600 chapter_item_c *demux_sys_t::BrowseCodecPrivate( unsigned int codec_id,
5601                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
5602                                         const void *p_cookie,
5603                                         size_t i_cookie_size,
5604                                         virtual_segment_c * &p_segment_found )
5605 {
5606     chapter_item_c *p_result = NULL;
5607     for (size_t i=0; i<used_segments.size(); i++)
5608     {
5609         p_result = used_segments[i]->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
5610         if ( p_result != NULL )
5611         {
5612             p_segment_found = used_segments[i];
5613             break;
5614         }
5615     }
5616     return p_result;
5617 }
5618
5619 chapter_item_c *demux_sys_t::FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found )
5620 {
5621     chapter_item_c *p_result = NULL;
5622     for (size_t i=0; i<used_segments.size(); i++)
5623     {
5624         p_result = used_segments[i]->FindChapter( i_find_uid );
5625         if ( p_result != NULL )
5626         {
5627             p_segment_found = used_segments[i];
5628             break;
5629         }
5630     }
5631     return p_result;
5632 }
5633
5634 void virtual_segment_c::Sort()
5635 {
5636     // keep the current segment index
5637     matroska_segment_c *p_segment = linked_segments[i_current_segment];
5638
5639     std::sort( linked_segments.begin(), linked_segments.end(), matroska_segment_c::CompareSegmentUIDs );
5640
5641     for ( i_current_segment=0; i_current_segment<linked_segments.size(); i_current_segment++)
5642         if ( linked_segments[i_current_segment] == p_segment )
5643             break;
5644 }
5645
5646 size_t virtual_segment_c::AddSegment( matroska_segment_c *p_segment )
5647 {
5648     size_t i;
5649     // check if it's not already in here
5650     for ( i=0; i<linked_segments.size(); i++ )
5651     {
5652         if ( linked_segments[i]->p_segment_uid != NULL
5653             && p_segment->p_segment_uid != NULL
5654             && *p_segment->p_segment_uid == *linked_segments[i]->p_segment_uid )
5655             return 0;
5656     }
5657
5658     // find possible mates
5659     for ( i=0; i<linked_uids.size(); i++ )
5660     {
5661         if (   (p_segment->p_segment_uid != NULL && *p_segment->p_segment_uid == linked_uids[i])
5662             || (p_segment->p_prev_segment_uid != NULL && *p_segment->p_prev_segment_uid == linked_uids[i])
5663             || (p_segment->p_next_segment_uid !=NULL && *p_segment->p_next_segment_uid == linked_uids[i]) )
5664         {
5665             linked_segments.push_back( p_segment );
5666
5667             AppendUID( p_segment->p_prev_segment_uid );
5668             AppendUID( p_segment->p_next_segment_uid );
5669
5670             return 1;
5671         }
5672     }
5673     return 0;
5674 }
5675
5676 void virtual_segment_c::PreloadLinked( )
5677 {
5678     for ( size_t i=0; i<linked_segments.size(); i++ )
5679     {
5680         linked_segments[i]->Preload( );
5681     }
5682     i_current_edition = linked_segments[0]->i_default_edition;
5683 }
5684
5685 mtime_t virtual_segment_c::Duration() const
5686 {
5687     mtime_t i_duration;
5688     if ( linked_segments.size() == 0 )
5689         i_duration = 0;
5690     else {
5691         matroska_segment_c *p_last_segment = linked_segments[linked_segments.size()-1];
5692 //        p_last_segment->ParseCluster( );
5693
5694         i_duration = p_last_segment->i_start_time / 1000 + p_last_segment->i_duration;
5695     }
5696     return i_duration;
5697 }
5698
5699 void virtual_segment_c::LoadCues( )
5700 {
5701     for ( size_t i=0; i<linked_segments.size(); i++ )
5702     {
5703         linked_segments[i]->LoadCues();
5704     }
5705 }
5706
5707 void virtual_segment_c::AppendUID( const EbmlBinary * p_UID )
5708 {
5709     if ( p_UID == NULL )
5710         return;
5711     if ( p_UID->GetBuffer() == NULL )
5712         return;
5713
5714     for (size_t i=0; i<linked_uids.size(); i++)
5715     {
5716         if ( *p_UID == linked_uids[i] )
5717             return;
5718     }
5719     linked_uids.push_back( *(KaxSegmentUID*)(p_UID) );
5720 }
5721
5722 void matroska_segment_c::Seek( mtime_t i_date, mtime_t i_time_offset )
5723 {
5724     KaxBlock    *block;
5725 #if LIBMATROSKA_VERSION >= 0x000800
5726     KaxSimpleBlock *simpleblock;
5727 #endif
5728     int         i_track_skipping;
5729     int64_t     i_block_duration;
5730     int64_t     i_block_ref1;
5731     int64_t     i_block_ref2;
5732     size_t      i_track;
5733     int64_t     i_seek_position = i_start_pos;
5734     int64_t     i_seek_time = i_start_time;
5735
5736     if ( i_index > 0 )
5737     {
5738         int i_idx = 0;
5739
5740         for( ; i_idx < i_index; i_idx++ )
5741         {
5742             if( p_indexes[i_idx].i_time + i_time_offset > i_date )
5743             {
5744                 break;
5745             }
5746         }
5747
5748         if( i_idx > 0 )
5749         {
5750             i_idx--;
5751         }
5752
5753         i_seek_position = p_indexes[i_idx].i_position;
5754         i_seek_time = p_indexes[i_idx].i_time;
5755     }
5756
5757     msg_Dbg( &sys.demuxer, "seek got "I64Fd" (%d%%)",
5758                 i_seek_time, (int)( 100 * i_seek_position / stream_Size( sys.demuxer.s ) ) );
5759
5760     es.I_O().setFilePointer( i_seek_position, seek_beginning );
5761
5762     delete ep;
5763     ep = new EbmlParser( &es, segment, &sys.demuxer );
5764     cluster = NULL;
5765
5766     sys.i_start_pts = i_date;
5767
5768     es_out_Control( sys.demuxer.out, ES_OUT_RESET_PCR );
5769
5770     /* now parse until key frame */
5771     i_track_skipping = 0;
5772     for( i_track = 0; i_track < tracks.size(); i_track++ )
5773     {
5774         if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5775         {
5776             tracks[i_track]->b_search_keyframe = VLC_TRUE;
5777             i_track_skipping++;
5778         }
5779         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_date );
5780     }
5781
5782
5783     while( i_track_skipping > 0 )
5784     {
5785 #if LIBMATROSKA_VERSION >= 0x000800
5786         if( BlockGet( block, simpleblock, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
5787 #else
5788         if( BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
5789 #endif
5790         {
5791             msg_Warn( &sys.demuxer, "cannot get block EOF?" );
5792
5793             return;
5794         }
5795         ep->Down();
5796
5797         for( i_track = 0; i_track < tracks.size(); i_track++ )
5798         {
5799 #if LIBMATROSKA_VERSION >= 0x000800
5800             if( (simpleblock && tracks[i_track]->i_number == simpleblock->TrackNum()) ||
5801                 (block && tracks[i_track]->i_number == block->TrackNum()) )
5802 #else
5803             if( tracks[i_track]->i_number == block->TrackNum() )
5804 #endif
5805             {
5806                 break;
5807             }
5808         }
5809
5810 #if LIBMATROSKA_VERSION >= 0x000800
5811         if( simpleblock )
5812             sys.i_pts = (sys.i_chapter_time + simpleblock->GlobalTimecode()) / (mtime_t) 1000;
5813         else
5814 #endif
5815             sys.i_pts = (sys.i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
5816
5817         if( i_track < tracks.size() )
5818         {
5819            if( sys.i_pts >= sys.i_start_pts )
5820             {
5821                 cluster = static_cast<KaxCluster*>(ep->UnGet( i_block_pos, i_cluster_pos ));
5822                 i_track_skipping = 0;
5823             }
5824             else if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5825             {
5826                 if( i_block_ref1 == 0 && tracks[i_track]->b_search_keyframe )
5827                 {
5828                     tracks[i_track]->b_search_keyframe = VLC_FALSE;
5829                     i_track_skipping--;
5830                 }
5831                 if( !tracks[i_track]->b_search_keyframe )
5832                 {
5833 #if LIBMATROSKA_VERSION >= 0x000800
5834                     BlockDecode( &sys.demuxer, block, simpleblock, sys.i_pts, 0, i_block_ref1 >= 0 || i_block_ref2 > 0 );
5835 #else
5836                     BlockDecode( &sys.demuxer, block, sys.i_pts, 0, i_block_ref1 >= 0 || i_block_ref2 > 0 );
5837 #endif
5838                 }
5839             }
5840         }
5841
5842         delete block;
5843     }
5844 }
5845
5846 void virtual_segment_c::Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter )
5847 {
5848     demux_sys_t *p_sys = demuxer.p_sys;
5849     size_t i;
5850
5851     // find the actual time for an ordered edition
5852     if ( psz_chapter == NULL )
5853     {
5854         if ( Edition() && Edition()->b_ordered )
5855         {
5856             /* 1st, we need to know in which chapter we are */
5857             psz_chapter = (*p_editions)[i_current_edition]->FindTimecode( i_date, psz_current_chapter );
5858         }
5859     }
5860
5861     if ( psz_chapter != NULL )
5862     {
5863         psz_current_chapter = psz_chapter;
5864         p_sys->i_chapter_time = i_time_offset = psz_chapter->i_user_start_time - psz_chapter->i_start_time;
5865         if ( psz_chapter->i_seekpoint_num > 0 )
5866         {
5867             demuxer.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
5868             demuxer.info.i_title = p_sys->i_current_title = i_sys_title;
5869             demuxer.info.i_seekpoint = psz_chapter->i_seekpoint_num - 1;
5870         }
5871     }
5872
5873     // find the best matching segment
5874     for ( i=0; i<linked_segments.size(); i++ )
5875     {
5876         if ( i_date < linked_segments[i]->i_start_time )
5877             break;
5878     }
5879
5880     if ( i > 0 )
5881         i--;
5882
5883     if ( i_current_segment != i  )
5884     {
5885         linked_segments[i_current_segment]->UnSelect();
5886         linked_segments[i]->Select( i_date );
5887         i_current_segment = i;
5888     }
5889
5890     linked_segments[i]->Seek( i_date, i_time_offset );
5891 }
5892
5893 void chapter_codec_cmds_c::AddCommand( const KaxChapterProcessCommand & command )
5894 {
5895     size_t i;
5896
5897     uint32 codec_time = uint32(-1);
5898     for( i = 0; i < command.ListSize(); i++ )
5899     {
5900         const EbmlElement *k = command[i];
5901
5902         if( MKV_IS_ID( k, KaxChapterProcessTime ) )
5903         {
5904             codec_time = uint32( *static_cast<const KaxChapterProcessTime*>( k ) );
5905             break;
5906         }
5907     }
5908
5909     for( i = 0; i < command.ListSize(); i++ )
5910     {
5911         const EbmlElement *k = command[i];
5912
5913         if( MKV_IS_ID( k, KaxChapterProcessData ) )
5914         {
5915             KaxChapterProcessData *p_data =  new KaxChapterProcessData( *static_cast<const KaxChapterProcessData*>( k ) );
5916             switch ( codec_time )
5917             {
5918             case 0:
5919                 during_cmds.push_back( p_data );
5920                 break;
5921             case 1:
5922                 enter_cmds.push_back( p_data );
5923                 break;
5924             case 2:
5925                 leave_cmds.push_back( p_data );
5926                 break;
5927             default:
5928                 delete p_data;
5929             }
5930         }
5931     }
5932 }
5933
5934 bool chapter_item_c::Enter( bool b_do_subs )
5935 {
5936     bool f_result = false;
5937     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5938     while ( index != codecs.end() )
5939     {
5940         f_result |= (*index)->Enter();
5941         index++;
5942     }
5943
5944     if ( b_do_subs )
5945     {
5946         // sub chapters
5947         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5948         while ( index_ != sub_chapters.end() )
5949         {
5950             f_result |= (*index_)->Enter( true );
5951             index_++;
5952         }
5953     }
5954     return f_result;
5955 }
5956
5957 bool chapter_item_c::Leave( bool b_do_subs )
5958 {
5959     bool f_result = false;
5960     b_is_leaving = true;
5961     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5962     while ( index != codecs.end() )
5963     {
5964         f_result |= (*index)->Leave();
5965         index++;
5966     }
5967
5968     if ( b_do_subs )
5969     {
5970         // sub chapters
5971         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5972         while ( index_ != sub_chapters.end() )
5973         {
5974             f_result |= (*index_)->Leave( true );
5975             index_++;
5976         }
5977     }
5978     b_is_leaving = false;
5979     return f_result;
5980 }
5981
5982 bool chapter_item_c::EnterAndLeave( chapter_item_c *p_item, bool b_final_enter )
5983 {
5984     chapter_item_c *p_common_parent = p_item;
5985
5986     // leave, up to a common parent
5987     while ( p_common_parent != NULL && !p_common_parent->ParentOf( *this ) )
5988     {
5989         if ( !p_common_parent->b_is_leaving && p_common_parent->Leave( false ) )
5990             return true;
5991         p_common_parent = p_common_parent->psz_parent;
5992     }
5993
5994     // enter from the parent to <this>
5995     if ( p_common_parent != NULL )
5996     {
5997         do
5998         {
5999             if ( p_common_parent == this )
6000                 return Enter( true );
6001
6002             for ( size_t i = 0; i<p_common_parent->sub_chapters.size(); i++ )
6003             {
6004                 if ( p_common_parent->sub_chapters[i]->ParentOf( *this ) )
6005                 {
6006                     p_common_parent = p_common_parent->sub_chapters[i];
6007                     if ( p_common_parent != this )
6008                         if ( p_common_parent->Enter( false ) )
6009                             return true;
6010
6011                     break;
6012                 }
6013             }
6014         } while ( 1 );
6015     }
6016
6017     if ( b_final_enter )
6018         return Enter( true );
6019     else
6020         return false;
6021 }
6022
6023 bool dvd_chapter_codec_c::Enter()
6024 {
6025     bool f_result = false;
6026     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
6027     while ( index != enter_cmds.end() )
6028     {
6029         if ( (*index)->GetSize() )
6030         {
6031             binary *p_data = (*index)->GetBuffer();
6032             size_t i_size = *p_data++;
6033             // avoid reading too much from the buffer
6034             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
6035             for ( ; i_size > 0; i_size--, p_data += 8 )
6036             {
6037                 msg_Dbg( &sys.demuxer, "Matroska DVD enter command" );
6038                 f_result |= sys.dvd_interpretor.Interpret( p_data );
6039             }
6040         }
6041         index++;
6042     }
6043     return f_result;
6044 }
6045
6046 bool dvd_chapter_codec_c::Leave()
6047 {
6048     bool f_result = false;
6049     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
6050     while ( index != leave_cmds.end() )
6051     {
6052         if ( (*index)->GetSize() )
6053         {
6054             binary *p_data = (*index)->GetBuffer();
6055             size_t i_size = *p_data++;
6056             // avoid reading too much from the buffer
6057             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
6058             for ( ; i_size > 0; i_size--, p_data += 8 )
6059             {
6060                 msg_Dbg( &sys.demuxer, "Matroska DVD leave command" );
6061                 f_result |= sys.dvd_interpretor.Interpret( p_data );
6062             }
6063         }
6064         index++;
6065     }
6066     return f_result;
6067 }
6068
6069 // see http://www.dvd-replica.com/DVD/vmcmdset.php for a description of DVD commands
6070 bool dvd_command_interpretor_c::Interpret( const binary * p_command, size_t i_size )
6071 {
6072     if ( i_size != 8 )
6073         return false;
6074
6075     virtual_segment_c *p_segment = NULL;
6076     chapter_item_c *p_chapter = NULL;
6077     bool f_result = false;
6078     uint16 i_command = ( p_command[0] << 8 ) + p_command[1];
6079
6080     // handle register tests if there are some
6081     if ( (i_command & 0xF0) != 0 )
6082     {
6083         bool b_test_positive = true;//(i_command & CMD_DVD_IF_NOT) == 0;
6084         bool b_test_value    = (i_command & CMD_DVD_TEST_VALUE) != 0;
6085         uint8 i_test = i_command & 0x70;
6086         uint16 i_value;
6087
6088         // see http://dvd.sourceforge.net/dvdinfo/vmi.html
6089         uint8  i_cr1;
6090         uint16 i_cr2;
6091         switch ( i_command >> 12 )
6092         {
6093         default:
6094             i_cr1 = p_command[3];
6095             i_cr2 = (p_command[4] << 8) + p_command[5];
6096             break;
6097         case 3:
6098         case 4:
6099         case 5:
6100             i_cr1 = p_command[6];
6101             i_cr2 = p_command[7];
6102             b_test_value = false;
6103             break;
6104         case 6:
6105         case 7:
6106             if ( ((p_command[1] >> 4) & 0x7) == 0)
6107             {
6108                 i_cr1 = p_command[2];
6109                 i_cr2 = (p_command[6] << 8) + p_command[7];
6110             }
6111             else
6112             {
6113                 i_cr1 = p_command[2];
6114                 i_cr2 = (p_command[6] << 8) + p_command[7];
6115             }
6116             break;
6117         }
6118
6119         if ( b_test_value )
6120             i_value = i_cr2;
6121         else
6122             i_value = GetPRM( i_cr2 );
6123
6124         switch ( i_test )
6125         {
6126         case CMD_DVD_IF_GPREG_EQUAL:
6127             // if equals
6128             msg_Dbg( &sys.demuxer, "IF %s EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6129             if (!( GetPRM( i_cr1 ) == i_value ))
6130             {
6131                 b_test_positive = false;
6132             }
6133             break;
6134         case CMD_DVD_IF_GPREG_NOT_EQUAL:
6135             // if not equals
6136             msg_Dbg( &sys.demuxer, "IF %s NOT EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6137             if (!( GetPRM( i_cr1 ) != i_value ))
6138             {
6139                 b_test_positive = false;
6140             }
6141             break;
6142         case CMD_DVD_IF_GPREG_INF:
6143             // if inferior
6144             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6145             if (!( GetPRM( i_cr1 ) < i_value ))
6146             {
6147                 b_test_positive = false;
6148             }
6149             break;
6150         case CMD_DVD_IF_GPREG_INF_EQUAL:
6151             // if inferior or equal
6152             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6153             if (!( GetPRM( i_cr1 ) <= i_value ))
6154             {
6155                 b_test_positive = false;
6156             }
6157             break;
6158         case CMD_DVD_IF_GPREG_AND:
6159             // if logical and
6160             msg_Dbg( &sys.demuxer, "IF %s & %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6161             if (!( GetPRM( i_cr1 ) & i_value ))
6162             {
6163                 b_test_positive = false;
6164             }
6165             break;
6166         case CMD_DVD_IF_GPREG_SUP:
6167             // if superior
6168             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6169             if (!( GetPRM( i_cr1 ) > i_value ))
6170             {
6171                 b_test_positive = false;
6172             }
6173             break;
6174         case CMD_DVD_IF_GPREG_SUP_EQUAL:
6175             // if superior or equal
6176             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6177             if (!( GetPRM( i_cr1 ) >= i_value ))
6178             {
6179                 b_test_positive = false;
6180             }
6181             break;
6182         }
6183
6184         if ( !b_test_positive )
6185             return false;
6186     }
6187
6188     // strip the test command
6189     i_command &= 0xFF0F;
6190
6191     switch ( i_command )
6192     {
6193     case CMD_DVD_NOP:
6194     case CMD_DVD_NOP2:
6195         {
6196             msg_Dbg( &sys.demuxer, "NOP" );
6197             break;
6198         }
6199     case CMD_DVD_BREAK:
6200         {
6201             msg_Dbg( &sys.demuxer, "Break" );
6202             // TODO
6203             break;
6204         }
6205     case CMD_DVD_JUMP_TT:
6206         {
6207             uint8 i_title = p_command[5];
6208             msg_Dbg( &sys.demuxer, "JumpTT %d", i_title );
6209
6210             // find in the ChapProcessPrivate matching this Title level
6211             p_chapter = sys.BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title), p_segment );
6212             if ( p_segment != NULL )
6213             {
6214                 sys.JumpTo( *p_segment, p_chapter );
6215                 f_result = true;
6216             }
6217
6218             break;
6219         }
6220     case CMD_DVD_CALLSS_VTSM1:
6221         {
6222             msg_Dbg( &sys.demuxer, "CallSS" );
6223             binary p_type;
6224             switch( (p_command[6] & 0xC0) >> 6 ) {
6225                 case 0:
6226                     p_type = p_command[5] & 0x0F;
6227                     switch ( p_type )
6228                     {
6229                     case 0x00:
6230                         msg_Dbg( &sys.demuxer, "CallSS PGC (rsm_cell %x)", p_command[4]);
6231                         break;
6232                     case 0x02:
6233                         msg_Dbg( &sys.demuxer, "CallSS Title Entry (rsm_cell %x)", p_command[4]);
6234                         break;
6235                     case 0x03:
6236                         msg_Dbg( &sys.demuxer, "CallSS Root Menu (rsm_cell %x)", p_command[4]);
6237                         break;
6238                     case 0x04:
6239                         msg_Dbg( &sys.demuxer, "CallSS Subpicture Menu (rsm_cell %x)", p_command[4]);
6240                         break;
6241                     case 0x05:
6242                         msg_Dbg( &sys.demuxer, "CallSS Audio Menu (rsm_cell %x)", p_command[4]);
6243                         break;
6244                     case 0x06:
6245                         msg_Dbg( &sys.demuxer, "CallSS Angle Menu (rsm_cell %x)", p_command[4]);
6246                         break;
6247                     case 0x07:
6248                         msg_Dbg( &sys.demuxer, "CallSS Chapter Menu (rsm_cell %x)", p_command[4]);
6249                         break;
6250                     default:
6251                         msg_Dbg( &sys.demuxer, "CallSS <unknown> (rsm_cell %x)", p_command[4]);
6252                         break;
6253                     }
6254                     p_chapter = sys.BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1, p_segment );
6255                     if ( p_segment != NULL )
6256                     {
6257                         sys.JumpTo( *p_segment, p_chapter );
6258                         f_result = true;
6259                     }
6260                 break;
6261                 case 1:
6262                     msg_Dbg( &sys.demuxer, "CallSS VMGM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
6263                 break;
6264                 case 2:
6265                     msg_Dbg( &sys.demuxer, "CallSS VTSM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
6266                 break;
6267                 case 3:
6268                     msg_Dbg( &sys.demuxer, "CallSS VMGM (pgc %d, rsm_cell %x)", (p_command[2] << 8) + p_command[3], p_command[4]);
6269                 break;
6270             }
6271             break;
6272         }
6273     case CMD_DVD_JUMP_SS:
6274         {
6275             msg_Dbg( &sys.demuxer, "JumpSS");
6276             binary p_type;
6277             switch( (p_command[5] & 0xC0) >> 6 ) {
6278                 case 0:
6279                     msg_Dbg( &sys.demuxer, "JumpSS FP");
6280                 break;
6281                 case 1:
6282                     p_type = p_command[5] & 0x0F;
6283                     switch ( p_type )
6284                     {
6285                     case 0x02:
6286                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Title Entry");
6287                         break;
6288                     case 0x03:
6289                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Root Menu");
6290                         break;
6291                     case 0x04:
6292                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Subpicture Menu");
6293                         break;
6294                     case 0x05:
6295                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Audio Menu");
6296                         break;
6297                     case 0x06:
6298                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Angle Menu");
6299                         break;
6300                     case 0x07:
6301                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Chapter Menu");
6302                         break;
6303                     default:
6304                         msg_Dbg( &sys.demuxer, "JumpSS <unknown>");
6305                         break;
6306                     }
6307                     // find the VMG
6308                     p_chapter = sys.BrowseCodecPrivate( 1, MatchIsVMG, NULL, 0, p_segment );
6309                     if ( p_segment != NULL )
6310                     {
6311                         p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
6312                         if ( p_chapter != NULL )
6313                         {
6314                             sys.JumpTo( *p_segment, p_chapter );
6315                             f_result = true;
6316                         }
6317                     }
6318                 break;
6319                 case 2:
6320                     p_type = p_command[5] & 0x0F;
6321                     switch ( p_type )
6322                     {
6323                     case 0x02:
6324                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Title Entry", p_command[4], p_command[3]);
6325                         break;
6326                     case 0x03:
6327                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Root Menu", p_command[4], p_command[3]);
6328                         break;
6329                     case 0x04:
6330                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Subpicture Menu", p_command[4], p_command[3]);
6331                         break;
6332                     case 0x05:
6333                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Audio Menu", p_command[4], p_command[3]);
6334                         break;
6335                     case 0x06:
6336                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Angle Menu", p_command[4], p_command[3]);
6337                         break;
6338                     case 0x07:
6339                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Chapter Menu", p_command[4], p_command[3]);
6340                         break;
6341                     default:
6342                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) <unknown>", p_command[4], p_command[3]);
6343                         break;
6344                     }
6345
6346                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSMNumber, &p_command[4], 1, p_segment );
6347
6348                     if ( p_segment != NULL && p_chapter != NULL )
6349                     {
6350                         // find the title in the VTS
6351                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &p_command[3], 1 );
6352                         if ( p_chapter != NULL )
6353                         {
6354                             // find the specified menu in the VTSM
6355                             p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
6356                             if ( p_chapter != NULL )
6357                             {
6358                                 sys.JumpTo( *p_segment, p_chapter );
6359                                 f_result = true;
6360                             }
6361                         }
6362                         else
6363                             msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", p_command[3] );
6364                     }
6365                     else
6366                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", p_command[4] );
6367                 break;
6368                 case 3:
6369                     msg_Dbg( &sys.demuxer, "JumpSS VMGM (pgc %d)", (p_command[2] << 8) + p_command[3]);
6370                 break;
6371             }
6372             break;
6373         }
6374     case CMD_DVD_JUMPVTS_PTT:
6375         {
6376             uint8 i_title = p_command[5];
6377             uint8 i_ptt = p_command[3];
6378
6379             msg_Dbg( &sys.demuxer, "JumpVTS Title (%d) PTT (%d)", i_title, i_ptt);
6380
6381             // find the current VTS content segment
6382             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchIsDomain, NULL, 0 );
6383             if ( p_chapter != NULL )
6384             {
6385                 int16 i_curr_title = p_chapter->GetTitleNumber( );
6386                 if ( i_curr_title > 0 )
6387                 {
6388                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSNumber, &i_curr_title, sizeof(i_curr_title), p_segment );
6389
6390                     if ( p_segment != NULL && p_chapter != NULL )
6391                     {
6392                         // find the title in the VTS
6393                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title) );
6394                         if ( p_chapter != NULL )
6395                         {
6396                             // find the chapter in the title
6397                             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchChapterNumber, &i_ptt, sizeof(i_ptt) );
6398                             if ( p_chapter != NULL )
6399                             {
6400                                 sys.JumpTo( *p_segment, p_chapter );
6401                                 f_result = true;
6402                             }
6403                         }
6404                     else
6405                         msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", i_title );
6406                     }
6407                     else
6408                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", i_curr_title );
6409                 }
6410                 else
6411                     msg_Dbg( &sys.demuxer, "JumpVTS_PTT command found but not in a VTS(M)");
6412             }
6413             else
6414                 msg_Dbg( &sys.demuxer, "JumpVTS_PTT command but the DVD domain wasn't found");
6415             break;
6416         }
6417     case CMD_DVD_SET_GPRMMD:
6418         {
6419             msg_Dbg( &sys.demuxer, "Set GPRMMD [%d]=%d", (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3]);
6420
6421             if ( !SetGPRM( (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3] ) )
6422                 msg_Dbg( &sys.demuxer, "Set GPRMMD failed" );
6423             break;
6424         }
6425     case CMD_DVD_LINKPGCN:
6426         {
6427             uint16 i_pgcn = (p_command[6] << 8) + p_command[7];
6428
6429             msg_Dbg( &sys.demuxer, "Link PGCN(%d)", i_pgcn );
6430             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchPgcNumber, &i_pgcn, 2 );
6431             if ( p_chapter != NULL )
6432             {
6433                 if ( !p_chapter->Enter( true ) )
6434                     // jump to the location in the found segment
6435                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6436
6437                 f_result = true;
6438             }
6439             break;
6440         }
6441     case CMD_DVD_LINKCN:
6442         {
6443             uint8 i_cn = p_command[7];
6444
6445             p_chapter = sys.p_current_segment->CurrentChapter();
6446
6447             msg_Dbg( &sys.demuxer, "LinkCN (cell %d)", i_cn );
6448             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchCellNumber, &i_cn, 1 );
6449             if ( p_chapter != NULL )
6450             {
6451                 if ( !p_chapter->Enter( true ) )
6452                     // jump to the location in the found segment
6453                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6454
6455                 f_result = true;
6456             }
6457             break;
6458         }
6459     case CMD_DVD_GOTO_LINE:
6460         {
6461             msg_Dbg( &sys.demuxer, "GotoLine (%d)", (p_command[6] << 8) + p_command[7] );
6462             // TODO
6463             break;
6464         }
6465     case CMD_DVD_SET_HL_BTNN1:
6466         {
6467             msg_Dbg( &sys.demuxer, "SetHL_BTN (%d)", p_command[4] );
6468             SetSPRM( 0x88, p_command[4] );
6469             break;
6470         }
6471     default:
6472         {
6473             msg_Dbg( &sys.demuxer, "unsupported command : %02X %02X %02X %02X %02X %02X %02X %02X"
6474                      ,p_command[0]
6475                      ,p_command[1]
6476                      ,p_command[2]
6477                      ,p_command[3]
6478                      ,p_command[4]
6479                      ,p_command[5]
6480                      ,p_command[6]
6481                      ,p_command[7]);
6482             break;
6483         }
6484     }
6485
6486     return f_result;
6487 }
6488
6489 bool dvd_command_interpretor_c::MatchIsDomain( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6490 {
6491     return ( data.p_private_data != NULL && data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS );
6492 }
6493
6494 bool dvd_command_interpretor_c::MatchIsVMG( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6495 {
6496     if ( data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
6497         return false;
6498
6499     return ( data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS && data.p_private_data->GetBuffer()[1] == 0xC0);
6500 }
6501
6502 bool dvd_command_interpretor_c::MatchVTSNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6503 {
6504     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6505         return false;
6506
6507     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x80 )
6508         return false;
6509
6510     uint16 i_gtitle = (data.p_private_data->GetBuffer()[2] << 8 ) + data.p_private_data->GetBuffer()[3];
6511     uint16 i_title = *(uint16*)p_cookie;
6512
6513     return (i_gtitle == i_title);
6514 }
6515
6516 bool dvd_command_interpretor_c::MatchVTSMNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6517 {
6518     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6519         return false;
6520
6521     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x40 )
6522         return false;
6523
6524     uint8 i_gtitle = data.p_private_data->GetBuffer()[3];
6525     uint8 i_title = *(uint8*)p_cookie;
6526
6527     return (i_gtitle == i_title);
6528 }
6529
6530 bool dvd_command_interpretor_c::MatchTitleNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6531 {
6532     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6533         return false;
6534
6535     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_TT )
6536         return false;
6537
6538     uint16 i_gtitle = (data.p_private_data->GetBuffer()[1] << 8 ) + data.p_private_data->GetBuffer()[2];
6539     uint8 i_title = *(uint8*)p_cookie;
6540
6541     return (i_gtitle == i_title);
6542 }
6543
6544 bool dvd_command_interpretor_c::MatchPgcType( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6545 {
6546     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6547         return false;
6548
6549     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6550         return false;
6551
6552     uint8 i_pgc_type = data.p_private_data->GetBuffer()[3] & 0x0F;
6553     uint8 i_pgc = *(uint8*)p_cookie;
6554
6555     return (i_pgc_type == i_pgc);
6556 }
6557
6558 bool dvd_command_interpretor_c::MatchPgcNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6559 {
6560     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6561         return false;
6562
6563     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6564         return false;
6565
6566     uint16 *i_pgc_n = (uint16 *)p_cookie;
6567     uint16 i_pgc_num = (data.p_private_data->GetBuffer()[1] << 8) + data.p_private_data->GetBuffer()[2];
6568
6569     return (i_pgc_num == *i_pgc_n);
6570 }
6571
6572 bool dvd_command_interpretor_c::MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6573 {
6574     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
6575         return false;
6576
6577     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PTT )
6578         return false;
6579
6580     uint8 i_chapter = data.p_private_data->GetBuffer()[1];
6581     uint8 i_ptt = *(uint8*)p_cookie;
6582
6583     return (i_chapter == i_ptt);
6584 }
6585
6586 bool dvd_command_interpretor_c::MatchCellNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6587 {
6588     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 5 )
6589         return false;
6590
6591     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_CN )
6592         return false;
6593
6594     uint8 *i_cell_n = (uint8 *)p_cookie;
6595     uint8 i_cell_num = data.p_private_data->GetBuffer()[3];
6596
6597     return (i_cell_num == *i_cell_n);
6598 }
6599
6600 bool matroska_script_codec_c::Enter()
6601 {
6602     bool f_result = false;
6603     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
6604     while ( index != enter_cmds.end() )
6605     {
6606         if ( (*index)->GetSize() )
6607         {
6608             msg_Dbg( &sys.demuxer, "Matroska Script enter command" );
6609             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6610         }
6611         index++;
6612     }
6613     return f_result;
6614 }
6615
6616 bool matroska_script_codec_c::Leave()
6617 {
6618     bool f_result = false;
6619     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
6620     while ( index != leave_cmds.end() )
6621     {
6622         if ( (*index)->GetSize() )
6623         {
6624             msg_Dbg( &sys.demuxer, "Matroska Script leave command" );
6625             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6626         }
6627         index++;
6628     }
6629     return f_result;
6630 }
6631
6632 // see http://www.matroska.org/technical/specs/chapters/index.html#mscript
6633 //  for a description of existing commands
6634 bool matroska_script_interpretor_c::Interpret( const binary * p_command, size_t i_size )
6635 {
6636     bool b_result = false;
6637
6638     char *psz_str = (char*) malloc( i_size + 1 );
6639     memcpy( psz_str, p_command, i_size );
6640     psz_str[ i_size ] = '\0';
6641
6642     std::string sz_command = psz_str;
6643     free( psz_str );
6644
6645     msg_Dbg( &sys.demuxer, "command : %s", sz_command.c_str() );
6646
6647 #if defined(__GNUC__) && (__GNUC__ < 3)
6648     if ( sz_command.compare( CMD_MS_GOTO_AND_PLAY, 0, CMD_MS_GOTO_AND_PLAY.size() ) == 0 )
6649 #else
6650     if ( sz_command.compare( 0, CMD_MS_GOTO_AND_PLAY.size(), CMD_MS_GOTO_AND_PLAY ) == 0 )
6651 #endif
6652     {
6653         size_t i,j;
6654
6655         // find the (
6656         for ( i=CMD_MS_GOTO_AND_PLAY.size(); i<sz_command.size(); i++)
6657         {
6658             if ( sz_command[i] == '(' )
6659             {
6660                 i++;
6661                 break;
6662             }
6663         }
6664         // find the )
6665         for ( j=i; j<sz_command.size(); j++)
6666         {
6667             if ( sz_command[j] == ')' )
6668             {
6669                 i--;
6670                 break;
6671             }
6672         }
6673
6674         std::string st = sz_command.substr( i+1, j-i-1 );
6675         int64_t i_chapter_uid = atoi( st.c_str() );
6676
6677         virtual_segment_c *p_segment;
6678         chapter_item_c *p_chapter = sys.FindChapter( i_chapter_uid, p_segment );
6679
6680         if ( p_chapter == NULL )
6681             msg_Dbg( &sys.demuxer, "Chapter "I64Fd" not found", i_chapter_uid);
6682         else
6683         {
6684             if ( !p_chapter->EnterAndLeave( sys.p_current_segment->CurrentChapter() ) )
6685                 p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6686             b_result = true;
6687         }
6688     }
6689
6690     return b_result;
6691 }
6692
6693 void demux_sys_t::SwapButtons()
6694 {
6695 #ifndef WORDS_BIGENDIAN
6696     uint8_t button, i, j;
6697
6698     for( button = 1; button <= pci_packet.hli.hl_gi.btn_ns; button++) {
6699         btni_t *button_ptr = &(pci_packet.hli.btnit[button-1]);
6700         binary *p_data = (binary*) button_ptr;
6701
6702         uint16 i_x_start = ((p_data[0] & 0x3F) << 4 ) + ( p_data[1] >> 4 );
6703         uint16 i_x_end   = ((p_data[1] & 0x03) << 8 ) + p_data[2];
6704         uint16 i_y_start = ((p_data[3] & 0x3F) << 4 ) + ( p_data[4] >> 4 );
6705         uint16 i_y_end   = ((p_data[4] & 0x03) << 8 ) + p_data[5];
6706         button_ptr->x_start = i_x_start;
6707         button_ptr->x_end   = i_x_end;
6708         button_ptr->y_start = i_y_start;
6709         button_ptr->y_end   = i_y_end;
6710
6711     }
6712     for ( i = 0; i<3; i++ )
6713     {
6714         for ( j = 0; j<2; j++ )
6715         {
6716             pci_packet.hli.btn_colit.btn_coli[i][j] = U32_AT( &pci_packet.hli.btn_colit.btn_coli[i][j] );
6717         }
6718     }
6719 #endif
6720 }