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., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  23  *****************************************************************************/
  24
  25 /*****************************************************************************
  26  * Preamble
  27  *****************************************************************************/
  28 #include <stdlib.h>                                      /* malloc(), free() */
  29
  30 #include <vlc/vlc.h>
  31
  32 #ifdef HAVE_TIME_H
  33 #   include <time.h>                                               /* time() */
  34 #endif
  35
  36 #include <vlc/input.h>
  37
  38 #include <codecs.h>                        /* BITMAPINFOHEADER, WAVEFORMATEX */
  39 #include "iso_lang.h"
  40 #include "vlc_meta.h"
  41
  42 #include <iostream>
  43 #include <cassert>
  44 #include <typeinfo>
  45 #include <string>
  46 #include <vector>
  47 #include <algorithm>
  48
  49 #ifdef HAVE_DIRENT_H
  50 #   include <dirent.h>
  51 #endif
  52
  53 /* libebml and matroska */
  54 #include "ebml/EbmlHead.h"
  55 #include "ebml/EbmlSubHead.h"
  56 #include "ebml/EbmlStream.h"
  57 #include "ebml/EbmlContexts.h"
  58 #include "ebml/EbmlVoid.h"
  59 #include "ebml/EbmlVersion.h"
  60 #include "ebml/StdIOCallback.h"
  61
  62 #include "matroska/KaxAttachments.h"
  63 #include "matroska/KaxBlock.h"
  64 #include "matroska/KaxBlockData.h"
  65 #include "matroska/KaxChapters.h"
  66 #include "matroska/KaxCluster.h"
  67 #include "matroska/KaxClusterData.h"
  68 #include "matroska/KaxContexts.h"
  69 #include "matroska/KaxCues.h"
  70 #include "matroska/KaxCuesData.h"
  71 #include "matroska/KaxInfo.h"
  72 #include "matroska/KaxInfoData.h"
  73 #include "matroska/KaxSeekHead.h"
  74 #include "matroska/KaxSegment.h"
  75 #include "matroska/KaxTag.h"
  76 #include "matroska/KaxTags.h"
  77 #include "matroska/KaxTagMulti.h"
  78 #include "matroska/KaxTracks.h"
  79 #include "matroska/KaxTrackAudio.h"
  80 #include "matroska/KaxTrackVideo.h"
  81 #include "matroska/KaxTrackEntryData.h"
  82 #include "matroska/KaxContentEncoding.h"
  83 #include "matroska/KaxVersion.h"
  84
  85 #include "ebml/StdIOCallback.h"
  86
  87 #if LIBMATROSKA_VERSION < 0x000706
  88 START_LIBMATROSKA_NAMESPACE
  89 extern const EbmlSemanticContext MATROSKA_DLL_API KaxMatroska_Context;
  90 END_LIBMATROSKA_NAMESPACE
  91 #endif
  92
  93 #include "vlc_keys.h"
  94
  95 extern "C" {
  96    #include "mp4/libmp4.h"
  97 }
  98 #ifdef HAVE_ZLIB_H
  99 #   include <zlib.h>
 100 #endif
 101
 102 #define MATROSKA_COMPRESSION_NONE 0
 103 #define MATROSKA_COMPRESSION_ZLIB 1
 104
 105 #define MKVD_TIMECODESCALE 1000000
 106
 107 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 108 #undef ATTRIBUTE_PACKED
 109 #undef PRAGMA_PACK_BEGIN
 110 #undef PRAGMA_PACK_END
 111
 112 #if defined(__GNUC__)
 113 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)
 114 #define ATTRIBUTE_PACKED __attribute__ ((packed))
 115 #define PRAGMA_PACK 0
 116 #endif
 117 #endif
 118
 119 #if !defined(ATTRIBUTE_PACKED)
 120 #define ATTRIBUTE_PACKED
 121 #define PRAGMA_PACK 1
 122 #endif
 123
 124 #if PRAGMA_PACK
 125 #pragma pack(1)
 126 #endif
 127
 128 /*************************************
 129 *  taken from libdvdnav / libdvdread
 130 **************************************/
 131
 132 /**
 133  * DVD Time Information.
 134  */
 135 typedef struct {
 136   uint8_t hour;
 137   uint8_t minute;
 138   uint8_t second;
 139   uint8_t frame_u; /* The two high bits are the frame rate. */
 140 } ATTRIBUTE_PACKED dvd_time_t;
 141
 142 /**
 143  * User Operations.
 144  */
 145 typedef struct {
 146 #ifdef WORDS_BIGENDIAN
 147   unsigned char zero                           : 7; /* 25-31 */
 148   unsigned char video_pres_mode_change         : 1; /* 24 */
 149
 150   unsigned char karaoke_audio_pres_mode_change : 1; /* 23 */
 151   unsigned char angle_change                   : 1;
 152   unsigned char subpic_stream_change           : 1;
 153   unsigned char audio_stream_change            : 1;
 154   unsigned char pause_on                       : 1;
 155   unsigned char still_off                      : 1;
 156   unsigned char button_select_or_activate      : 1;
 157   unsigned char resume                         : 1; /* 16 */
 158
 159   unsigned char chapter_menu_call              : 1; /* 15 */
 160   unsigned char angle_menu_call                : 1;
 161   unsigned char audio_menu_call                : 1;
 162   unsigned char subpic_menu_call               : 1;
 163   unsigned char root_menu_call                 : 1;
 164   unsigned char title_menu_call                : 1;
 165   unsigned char backward_scan                  : 1;
 166   unsigned char forward_scan                   : 1; /* 8 */
 167
 168   unsigned char next_pg_search                 : 1; /* 7 */
 169   unsigned char prev_or_top_pg_search          : 1;
 170   unsigned char time_or_chapter_search         : 1;
 171   unsigned char go_up                          : 1;
 172   unsigned char stop                           : 1;
 173   unsigned char title_play                     : 1;
 174   unsigned char chapter_search_or_play         : 1;
 175   unsigned char title_or_time_play             : 1; /* 0 */
 176 #else
 177   unsigned char video_pres_mode_change         : 1; /* 24 */
 178   unsigned char zero                           : 7; /* 25-31 */
 179
 180   unsigned char resume                         : 1; /* 16 */
 181   unsigned char button_select_or_activate      : 1;
 182   unsigned char still_off                      : 1;
 183   unsigned char pause_on                       : 1;
 184   unsigned char audio_stream_change            : 1;
 185   unsigned char subpic_stream_change           : 1;
 186   unsigned char angle_change                   : 1;
 187   unsigned char karaoke_audio_pres_mode_change : 1; /* 23 */
 188
 189   unsigned char forward_scan                   : 1; /* 8 */
 190   unsigned char backward_scan                  : 1;
 191   unsigned char title_menu_call                : 1;
 192   unsigned char root_menu_call                 : 1;
 193   unsigned char subpic_menu_call               : 1;
 194   unsigned char audio_menu_call                : 1;
 195   unsigned char angle_menu_call                : 1;
 196   unsigned char chapter_menu_call              : 1; /* 15 */
 197
 198   unsigned char title_or_time_play             : 1; /* 0 */
 199   unsigned char chapter_search_or_play         : 1;
 200   unsigned char title_play                     : 1;
 201   unsigned char stop                           : 1;
 202   unsigned char go_up                          : 1;
 203   unsigned char time_or_chapter_search         : 1;
 204   unsigned char prev_or_top_pg_search          : 1;
 205   unsigned char next_pg_search                 : 1; /* 7 */
 206 #endif
 207 } ATTRIBUTE_PACKED user_ops_t;
 208
 209 /**
 210  * Type to store per-command data.
 211  */
 212 typedef struct {
 213   uint8_t bytes[8];
 214 } ATTRIBUTE_PACKED vm_cmd_t;
 215 #define COMMAND_DATA_SIZE 8
 216
 217 /**
 218  * PCI General Information
 219  */
 220 typedef struct {
 221   uint32_t nv_pck_lbn;      /**< sector address of this nav pack */
 222   uint16_t vobu_cat;        /**< 'category' of vobu */
 223   uint16_t zero1;           /**< reserved */
 224   user_ops_t vobu_uop_ctl;  /**< UOP of vobu */
 225   uint32_t vobu_s_ptm;      /**< start presentation time of vobu */
 226   uint32_t vobu_e_ptm;      /**< end presentation time of vobu */
 227   uint32_t vobu_se_e_ptm;   /**< end ptm of sequence end in vobu */
 228   dvd_time_t e_eltm;        /**< Cell elapsed time */
 229   char vobu_isrc[32];
 230 } ATTRIBUTE_PACKED pci_gi_t;
 231
 232 /**
 233  * Non Seamless Angle Information
 234  */
 235 typedef struct {
 236   uint32_t nsml_agl_dsta[9];  /**< address of destination vobu in AGL_C#n */
 237 } ATTRIBUTE_PACKED nsml_agli_t;
 238
 239 /**
 240  * Highlight General Information
 241  *
 242  * For btngrX_dsp_ty the bits have the following meaning:
 243  * 000b: normal 4/3 only buttons
 244  * XX1b: wide (16/9) buttons
 245  * X1Xb: letterbox buttons
 246  * 1XXb: pan&scan buttons
 247  */
 248 typedef struct {
 249   uint16_t hli_ss; /**< status, only low 2 bits 0: no buttons, 1: different 2: equal 3: eual except for button cmds */
 250   uint32_t hli_s_ptm;              /**< start ptm of hli */
 251   uint32_t hli_e_ptm;              /**< end ptm of hli */
 252   uint32_t btn_se_e_ptm;           /**< end ptm of button select */
 253 #ifdef WORDS_BIGENDIAN
 254   unsigned char zero1 : 2;          /**< reserved */
 255   unsigned char btngr_ns : 2;       /**< number of button groups 1, 2 or 3 with 36/18/12 buttons */
 256   unsigned char zero2 : 1;          /**< reserved */
 257   unsigned char btngr1_dsp_ty : 3;  /**< display type of subpic stream for button group 1 */
 258   unsigned char zero3 : 1;          /**< reserved */
 259   unsigned char btngr2_dsp_ty : 3;  /**< display type of subpic stream for button group 2 */
 260   unsigned char zero4 : 1;          /**< reserved */
 261   unsigned char btngr3_dsp_ty : 3;  /**< display type of subpic stream for button group 3 */
 262 #else
 263   unsigned char btngr1_dsp_ty : 3;
 264   unsigned char zero2 : 1;
 265   unsigned char btngr_ns : 2;
 266   unsigned char zero1 : 2;
 267   unsigned char btngr3_dsp_ty : 3;
 268   unsigned char zero4 : 1;
 269   unsigned char btngr2_dsp_ty : 3;
 270   unsigned char zero3 : 1;
 271 #endif
 272   uint8_t btn_ofn;     /**< button offset number range 0-255 */
 273   uint8_t btn_ns;      /**< number of valid buttons  <= 36/18/12 (low 6 bits) */
 274   uint8_t nsl_btn_ns;  /**< number of buttons selectable by U_BTNNi (low 6 bits)   nsl_btn_ns <= btn_ns */
 275   uint8_t zero5;       /**< reserved */
 276   uint8_t fosl_btnn;   /**< forcedly selected button  (low 6 bits) */
 277   uint8_t foac_btnn;   /**< forcedly activated button (low 6 bits) */
 278 } ATTRIBUTE_PACKED hl_gi_t;
 279
 280
 281 /**
 282  * Button Color Information Table
 283  * Each entry beeing a 32bit word that contains the color indexs and alpha
 284  * values to use.  They are all represented by 4 bit number and stored
 285  * like this [Ci3, Ci2, Ci1, Ci0, A3, A2, A1, A0].   The actual palette
 286  * that the indexes reference is in the PGC.
 287  * @TODO split the uint32_t into a struct
 288  */
 289 typedef struct {
 290   uint32_t btn_coli[3][2];  /**< [button color number-1][select:0/action:1] */
 291 } ATTRIBUTE_PACKED btn_colit_t;
 292
 293 /**
 294  * Button Information
 295  *
 296  * NOTE: I've had to change the structure from the disk layout to get
 297  * the packing to work with Sun's Forte C compiler.
 298  * The 4 and 7 bytes are 'rotated' was: ABC DEF GHIJ  is: ABCG DEFH IJ
 299  */
 300 typedef struct {
 301 #ifdef WORDS_BIGENDIAN
 302   uint32        btn_coln         : 2;  /**< button color number */
 303   uint32        x_start          : 10; /**< x start offset within the overlay */
 304   uint32        zero1            : 2;  /**< reserved */
 305   uint32        x_end            : 10; /**< x end offset within the overlay */
 306
 307   uint32        zero3            : 2;  /**< reserved */
 308   uint32        up               : 6;  /**< button index when pressing up */
 309
 310   uint32        auto_action_mode : 2;  /**< 0: no, 1: activated if selected */
 311   uint32        y_start          : 10; /**< y start offset within the overlay */
 312   uint32        zero2            : 2;  /**< reserved */
 313   uint32        y_end            : 10; /**< y end offset within the overlay */
 314
 315   uint32        zero4            : 2;  /**< reserved */
 316   uint32        down             : 6;  /**< button index when pressing down */
 317   unsigned char zero5            : 2;  /**< reserved */
 318   unsigned char left             : 6;  /**< button index when pressing left */
 319   unsigned char zero6            : 2;  /**< reserved */
 320   unsigned char right            : 6;  /**< button index when pressing right */
 321 #else
 322   uint32        x_end            : 10;
 323   uint32        zero1            : 2;
 324   uint32        x_start          : 10;
 325   uint32        btn_coln         : 2;
 326
 327   uint32        up               : 6;
 328   uint32        zero3            : 2;
 329
 330   uint32        y_end            : 10;
 331   uint32        zero2            : 2;
 332   uint32        y_start          : 10;
 333   uint32        auto_action_mode : 2;
 334
 335   uint32        down             : 6;
 336   uint32        zero4            : 2;
 337   unsigned char left             : 6;
 338   unsigned char zero5            : 2;
 339   unsigned char right            : 6;
 340   unsigned char zero6            : 2;
 341 #endif
 342   vm_cmd_t cmd;
 343 } ATTRIBUTE_PACKED btni_t;
 344
 345 /**
 346  * Highlight Information
 347  */
 348 typedef struct {
 349   hl_gi_t     hl_gi;
 350   btn_colit_t btn_colit;
 351   btni_t      btnit[36];
 352 } ATTRIBUTE_PACKED hli_t;
 353
 354 /**
 355  * PCI packet
 356  */
 357 typedef struct {
 358   pci_gi_t    pci_gi;
 359   nsml_agli_t nsml_agli;
 360   hli_t       hli;
 361   uint8_t     zero1[189];
 362 } ATTRIBUTE_PACKED pci_t;
 363
 364
 365 #if PRAGMA_PACK
 366 #pragma pack()
 367 #endif
 368 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 369
 370
 371 /**
 372  * What's between a directory and a filename?
 373  */
 374 #if defined( WIN32 )
 375     #define DIRECTORY_SEPARATOR '\\'
 376 #else
 377     #define DIRECTORY_SEPARATOR '/'
 378 #endif
 379
 380 using namespace LIBMATROSKA_NAMESPACE;
 381 using namespace std;
 382
 383 /*****************************************************************************
 384  * Module descriptor
 385  *****************************************************************************/
 386 static int  Open ( vlc_object_t * );
 387 static void Close( vlc_object_t * );
 388
 389 vlc_module_begin();
 390     set_shortname( "Matroska" );
 391     set_description( _("Matroska stream demuxer" ) );
 392     set_capability( "demux2", 50 );
 393     set_callbacks( Open, Close );
 394     set_category( CAT_INPUT );
 395     set_subcategory( SUBCAT_INPUT_DEMUX );
 396
 397     add_bool( "mkv-use-ordered-chapters", 1, NULL,
 398             N_("Ordered chapters"),
 399             N_("Play ordered chapters as specified in the segment."), VLC_TRUE );
 400
 401     add_bool( "mkv-use-chapter-codec", 1, NULL,
 402             N_("Chapter codecs"),
 403             N_("Use chapter codecs found in the segment."), VLC_TRUE );
 404
 405     add_bool( "mkv-preload-local-dir", 1, NULL,
 406             N_("Preload Directory"),
 407             N_("Preload matroska files from the same family in the same directory (not good for broken files)."), VLC_TRUE );
 408
 409     add_bool( "mkv-seek-percent", 0, NULL,
 410             N_("Seek based on percent not time"),
 411             N_("Seek based on percent not time."), VLC_TRUE );
 412
 413     add_bool( "mkv-use-dummy", 0, NULL,
 414             N_("Dummy Elements"),
 415             N_("Read and discard unknown EBML elements (not good for broken files)."), VLC_TRUE );
 416
 417     add_shortcut( "mka" );
 418     add_shortcut( "mkv" );
 419 vlc_module_end();
 420
 421 /*****************************************************************************
 422  * Local prototypes
 423  *****************************************************************************/
 424 #ifdef HAVE_ZLIB_H
 425 block_t *block_zlib_decompress( vlc_object_t *p_this, block_t *p_in_block ) {
 426     int result, dstsize, n;
 427     unsigned char *dst;
 428     block_t *p_block;
 429     z_stream d_stream;
 430
 431     d_stream.zalloc = (alloc_func)0;
 432     d_stream.zfree = (free_func)0;
 433     d_stream.opaque = (voidpf)0;
 434     result = inflateInit(&d_stream);
 435     if( result != Z_OK )
 436     {
 437         msg_Dbg( p_this, "inflateInit() failed. Result: %d", result );
 438         return NULL;
 439     }
 440
 441     d_stream.next_in = (Bytef *)p_in_block->p_buffer;
 442     d_stream.avail_in = p_in_block->i_buffer;
 443     n = 0;
 444     p_block = block_New( p_this, 0 );
 445     dst = NULL;
 446     do
 447     {
 448         n++;
 449         p_block = block_Realloc( p_block, 0, n * 1000 );
 450         dst = (unsigned char *)p_block->p_buffer;
 451         d_stream.next_out = (Bytef *)&dst[(n - 1) * 1000];
 452         d_stream.avail_out = 1000;
 453         result = inflate(&d_stream, Z_NO_FLUSH);
 454         if( ( result != Z_OK ) && ( result != Z_STREAM_END ) )
 455         {
 456             msg_Dbg( p_this, "Zlib decompression failed. Result: %d", result );
 457             return NULL;
 458         }
 459     }
 460     while( ( d_stream.avail_out == 0 ) && ( d_stream.avail_in != 0 ) &&
 461            ( result != Z_STREAM_END ) );
 462
 463     dstsize = d_stream.total_out;
 464     inflateEnd( &d_stream );
 465
 466     p_block = block_Realloc( p_block, 0, dstsize );
 467     p_block->i_buffer = dstsize;
 468     block_Release( p_in_block );
 469
 470     return p_block;
 471 }
 472 #endif
 473
 474 /**
 475  * Helper function to print the mkv parse tree
 476  */
 477 static void MkvTree( demux_t & demuxer, int i_level, char *psz_format, ... )
 478 {
 479     va_list args;
 480     if( i_level > 9 )
 481     {
 482         msg_Err( &demuxer, "too deep tree" );
 483         return;
 484     }
 485     va_start( args, psz_format );
 486     static char *psz_foo = "|   |   |   |   |   |   |   |   |   |";
 487     char *psz_foo2 = (char*)malloc( ( i_level * 4 + 3 + strlen( psz_format ) ) * sizeof(char) );
 488     strncpy( psz_foo2, psz_foo, 4 * i_level );
 489     psz_foo2[ 4 * i_level ] = '+';
 490     psz_foo2[ 4 * i_level + 1 ] = ' ';
 491     strcpy( &psz_foo2[ 4 * i_level + 2 ], psz_format );
 492     __msg_GenericVa( VLC_OBJECT(&demuxer), VLC_MSG_DBG, "mkv", psz_foo2, args );
 493     free( psz_foo2 );
 494     va_end( args );
 495 }
 496
 497 /*****************************************************************************
 498  * Stream managment
 499  *****************************************************************************/
 500 class vlc_stream_io_callback: public IOCallback
 501 {
 502   private:
 503     stream_t       *s;
 504     vlc_bool_t     mb_eof;
 505     vlc_bool_t     b_owner;
 506
 507   public:
 508     vlc_stream_io_callback( stream_t *, vlc_bool_t );
 509
 510     virtual ~vlc_stream_io_callback()
 511     {
 512         if( b_owner )
 513             stream_Delete( s );
 514     }
 515
 516     virtual uint32   read            ( void *p_buffer, size_t i_size);
 517     virtual void     setFilePointer  ( int64_t i_offset, seek_mode mode = seek_beginning );
 518     virtual size_t   write           ( const void *p_buffer, size_t i_size);
 519     virtual uint64   getFilePointer  ( void );
 520     virtual void     close           ( void );
 521 };
 522
 523 /*****************************************************************************
 524  * Ebml Stream parser
 525  *****************************************************************************/
 526 class EbmlParser
 527 {
 528   public:
 529     EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux );
 530     virtual ~EbmlParser( void );
 531
 532     void Up( void );
 533     void Down( void );
 534     void Reset( demux_t *p_demux );
 535     EbmlElement *Get( void );
 536     void        Keep( void );
 537     EbmlElement *UnGet( uint64 i_block_pos, uint64 i_cluster_pos );
 538
 539     int GetLevel( void );
 540
 541   private:
 542     EbmlStream  *m_es;
 543     int         mi_level;
 544     EbmlElement *m_el[10];
 545     int64_t      mi_remain_size[10];
 546
 547     EbmlElement *m_got;
 548
 549     int         mi_user_level;
 550     vlc_bool_t  mb_keep;
 551     vlc_bool_t  mb_dummy;
 552 };
 553
 554
 555 /*****************************************************************************
 556  * Some functions to manipulate memory
 557  *****************************************************************************/
 558 #define GetFOURCC( p )  __GetFOURCC( (uint8_t*)p )
 559 static vlc_fourcc_t __GetFOURCC( uint8_t *p )
 560 {
 561     return VLC_FOURCC( p[0], p[1], p[2], p[3] );
 562 }
 563
 564 /*****************************************************************************
 565  * definitions of structures and functions used by this plugins
 566  *****************************************************************************/
 567 typedef struct
 568 {
 569     vlc_bool_t   b_default;
 570     vlc_bool_t   b_enabled;
 571     unsigned int i_number;
 572
 573     int          i_extra_data;
 574     uint8_t      *p_extra_data;
 575
 576     char         *psz_codec;
 577
 578     uint64_t     i_default_duration;
 579     float        f_timecodescale;
 580     mtime_t      i_last_dts;
 581
 582     /* video */
 583     es_format_t fmt;
 584     float       f_fps;
 585     es_out_id_t *p_es;
 586
 587     vlc_bool_t      b_inited;
 588     /* data to be send first */
 589     int             i_data_init;
 590     uint8_t         *p_data_init;
 591
 592     /* hack : it's for seek */
 593     vlc_bool_t      b_search_keyframe;
 594     vlc_bool_t      b_silent;
 595
 596     /* informative */
 597     char         *psz_codec_name;
 598     char         *psz_codec_settings;
 599     char         *psz_codec_info_url;
 600     char         *psz_codec_download_url;
 601
 602     /* encryption/compression */
 603     int           i_compression_type;
 604
 605 } mkv_track_t;
 606
 607 typedef struct
 608 {
 609     int     i_track;
 610     int     i_block_number;
 611
 612     int64_t i_position;
 613     int64_t i_time;
 614
 615     vlc_bool_t b_key;
 616 } mkv_index_t;
 617
 618 class demux_sys_t;
 619
 620 const binary MATROSKA_DVD_LEVEL_SS   = 0x30;
 621 const binary MATROSKA_DVD_LEVEL_LU   = 0x2A;
 622 const binary MATROSKA_DVD_LEVEL_TT   = 0x28;
 623 const binary MATROSKA_DVD_LEVEL_PGC  = 0x20;
 624 const binary MATROSKA_DVD_LEVEL_PG   = 0x18;
 625 const binary MATROSKA_DVD_LEVEL_PTT  = 0x10;
 626 const binary MATROSKA_DVD_LEVEL_CN   = 0x08;
 627
 628 class chapter_codec_cmds_c
 629 {
 630 public:
 631     chapter_codec_cmds_c( demux_sys_t & demuxer, int codec_id = -1)
 632     :p_private_data(NULL)
 633     ,i_codec_id( codec_id )
 634     ,sys( demuxer )
 635     {}
 636
 637     virtual ~chapter_codec_cmds_c()
 638     {
 639         delete p_private_data;
 640         std::vector<KaxChapterProcessData*>::iterator indexe = enter_cmds.begin();
 641         while ( indexe != enter_cmds.end() )
 642         {
 643             delete (*indexe);
 644             indexe++;
 645         }
 646         std::vector<KaxChapterProcessData*>::iterator indexl = leave_cmds.begin();
 647         while ( indexl != leave_cmds.end() )
 648         {
 649             delete (*indexl);
 650             indexl++;
 651         }
 652         std::vector<KaxChapterProcessData*>::iterator indexd = during_cmds.begin();
 653         while ( indexd != during_cmds.end() )
 654         {
 655             delete (*indexd);
 656             indexd++;
 657         }
 658     }
 659
 660     void SetPrivate( const KaxChapterProcessPrivate & private_data )
 661     {
 662         p_private_data = new KaxChapterProcessPrivate( private_data );
 663     }
 664
 665     void AddCommand( const KaxChapterProcessCommand & command );
 666
 667     /// \return wether the codec has seeked in the files or not
 668     virtual bool Enter() { return false; }
 669     virtual bool Leave() { return false; }
 670     virtual std::string GetCodecName( bool f_for_title = false ) const { return ""; }
 671     virtual int16 GetTitleNumber() { return -1; }
 672
 673     KaxChapterProcessPrivate *p_private_data;
 674
 675 protected:
 676     std::vector<KaxChapterProcessData*> enter_cmds;
 677     std::vector<KaxChapterProcessData*> during_cmds;
 678     std::vector<KaxChapterProcessData*> leave_cmds;
 679
 680     int i_codec_id;
 681     demux_sys_t & sys;
 682 };
 683
 684 class dvd_command_interpretor_c
 685 {
 686 public:
 687     dvd_command_interpretor_c( demux_sys_t & demuxer )
 688     :sys( demuxer )
 689     {
 690         memset( p_PRMs, 0, sizeof(p_PRMs) );
 691         p_PRMs[ 0x80 + 1 ] = 15;
 692         p_PRMs[ 0x80 + 2 ] = 62;
 693         p_PRMs[ 0x80 + 3 ] = 1;
 694         p_PRMs[ 0x80 + 4 ] = 1;
 695         p_PRMs[ 0x80 + 7 ] = 1;
 696         p_PRMs[ 0x80 + 8 ] = 1;
 697         p_PRMs[ 0x80 + 16 ] = 0xFFFFu;
 698         p_PRMs[ 0x80 + 18 ] = 0xFFFFu;
 699     }
 700
 701     bool Interpret( const binary * p_command, size_t i_size = 8 );
 702
 703     uint16 GetPRM( size_t index ) const
 704     {
 705         if ( index < 256 )
 706             return p_PRMs[ index ];
 707         else return 0;
 708     }
 709
 710     uint16 GetGPRM( size_t index ) const
 711     {
 712         if ( index >= 0 && index < 16 )
 713             return p_PRMs[ index ];
 714         else return 0;
 715     }
 716
 717     uint16 GetSPRM( size_t index ) const
 718     {
 719         // 21,22,23 reserved for future use
 720         if ( index >= 0x80 && index < 0x95 )
 721             return p_PRMs[ index ];
 722         else return 0;
 723     }
 724
 725     bool SetPRM( size_t index, uint16 value )
 726     {
 727         if ( index >= 0 && index < 16 )
 728         {
 729             p_PRMs[ index ] = value;
 730             return true;
 731         }
 732         return false;
 733     }
 734
 735     bool SetGPRM( size_t index, uint16 value )
 736     {
 737         if ( index >= 0 && index < 16 )
 738         {
 739             p_PRMs[ index ] = value;
 740             return true;
 741         }
 742         return false;
 743     }
 744
 745     bool SetSPRM( size_t index, uint16 value )
 746     {
 747         if ( index > 0x80 && index <= 0x8D && index != 0x8C )
 748         {
 749             p_PRMs[ index ] = value;
 750             return true;
 751         }
 752         return false;
 753     }
 754
 755 protected:
 756     std::string GetRegTypeName( bool b_value, uint16 value ) const
 757     {
 758         std::string result;
 759         char s_value[6], s_reg_value[6];
 760         sprintf( s_value, "%.5d", value );
 761
 762         if ( b_value )
 763         {
 764             result = "value (";
 765             result += s_value;
 766             result += ")";
 767         }
 768         else if ( value < 0x80 )
 769         {
 770             sprintf( s_reg_value, "%.5d", GetPRM( value ) );
 771             result = "GPreg[";
 772             result += s_value;
 773             result += "] (";
 774             result += s_reg_value;
 775             result += ")";
 776         }
 777         else
 778         {
 779             sprintf( s_reg_value, "%.5d", GetPRM( value ) );
 780             result = "SPreg[";
 781             result += s_value;
 782             result += "] (";
 783             result += s_reg_value;
 784             result += ")";
 785         }
 786         return result;
 787     }
 788
 789     uint16       p_PRMs[256];
 790     demux_sys_t  & sys;
 791
 792     // DVD command IDs
 793
 794     // Tests
 795     // wether it's a comparison on the value or register
 796     static const uint16 CMD_DVD_TEST_VALUE          = 0x80;
 797     static const uint16 CMD_DVD_IF_GPREG_AND        = (1 << 4);
 798     static const uint16 CMD_DVD_IF_GPREG_EQUAL      = (2 << 4);
 799     static const uint16 CMD_DVD_IF_GPREG_NOT_EQUAL  = (3 << 4);
 800     static const uint16 CMD_DVD_IF_GPREG_SUP_EQUAL  = (4 << 4);
 801     static const uint16 CMD_DVD_IF_GPREG_SUP        = (5 << 4);
 802     static const uint16 CMD_DVD_IF_GPREG_INF_EQUAL  = (6 << 4);
 803     static const uint16 CMD_DVD_IF_GPREG_INF        = (7 << 4);
 804
 805     static const uint16 CMD_DVD_NOP                    = 0x0000;
 806     static const uint16 CMD_DVD_GOTO_LINE              = 0x0001;
 807     static const uint16 CMD_DVD_BREAK                  = 0x0002;
 808     // Links
 809     static const uint16 CMD_DVD_NOP2                   = 0x2001;
 810     static const uint16 CMD_DVD_LINKPGCN               = 0x2004;
 811     static const uint16 CMD_DVD_LINKPGN                = 0x2006;
 812     static const uint16 CMD_DVD_LINKCN                 = 0x2007;
 813     static const uint16 CMD_DVD_JUMP_TT                = 0x3002;
 814     static const uint16 CMD_DVD_JUMPVTS_TT             = 0x3003;
 815     static const uint16 CMD_DVD_JUMPVTS_PTT            = 0x3005;
 816     static const uint16 CMD_DVD_JUMP_SS                = 0x3006;
 817     static const uint16 CMD_DVD_CALLSS_VTSM1           = 0x3008;
 818     //
 819     static const uint16 CMD_DVD_SET_HL_BTNN2           = 0x4600;
 820     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN1  = 0x4604;
 821     static const uint16 CMD_DVD_SET_STREAM             = 0x5100;
 822     static const uint16 CMD_DVD_SET_GPRMMD             = 0x5300;
 823     static const uint16 CMD_DVD_SET_HL_BTNN1           = 0x5600;
 824     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN2  = 0x5604;
 825     static const uint16 CMD_DVD_SET_HL_BTNN_LINKCN     = 0x5607;
 826     // Operations
 827     static const uint16 CMD_DVD_MOV_SPREG_PREG         = 0x6100;
 828     static const uint16 CMD_DVD_GPREG_MOV_VALUE        = 0x7100;
 829     static const uint16 CMD_DVD_SUB_GPREG              = 0x7400;
 830     static const uint16 CMD_DVD_MULT_GPREG             = 0x7500;
 831     static const uint16 CMD_DVD_GPREG_DIV_VALUE        = 0x7600;
 832     static const uint16 CMD_DVD_GPREG_AND_VALUE        = 0x7900;
 833
 834     // callbacks when browsing inside CodecPrivate
 835     static bool MatchIsDomain     ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 836     static bool MatchIsVMG        ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 837     static bool MatchVTSNumber    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 838     static bool MatchVTSMNumber   ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 839     static bool MatchTitleNumber  ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 840     static bool MatchPgcType      ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 841     static bool MatchPgcNumber    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 842     static bool MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 843     static bool MatchCellNumber   ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 844 };
 845
 846 class dvd_chapter_codec_c : public chapter_codec_cmds_c
 847 {
 848 public:
 849     dvd_chapter_codec_c( demux_sys_t & sys )
 850     :chapter_codec_cmds_c( sys, 1 )
 851     {}
 852
 853     bool Enter();
 854     bool Leave();
 855     std::string GetCodecName( bool f_for_title = false ) const;
 856     int16 GetTitleNumber();
 857 };
 858
 859 class matroska_script_interpretor_c
 860 {
 861 public:
 862     matroska_script_interpretor_c( demux_sys_t & demuxer )
 863     :sys( demuxer )
 864     {}
 865
 866     bool Interpret( const binary * p_command, size_t i_size );
 867
 868     // DVD command IDs
 869     static const std::string CMD_MS_GOTO_AND_PLAY;
 870
 871 protected:
 872     demux_sys_t  & sys;
 873 };
 874
 875 const std::string matroska_script_interpretor_c::CMD_MS_GOTO_AND_PLAY = "GotoAndPlay";
 876
 877
 878 class matroska_script_codec_c : public chapter_codec_cmds_c
 879 {
 880 public:
 881     matroska_script_codec_c( demux_sys_t & sys )
 882     :chapter_codec_cmds_c( sys, 0 )
 883     ,interpretor( sys )
 884     {}
 885
 886     bool Enter();
 887     bool Leave();
 888
 889 protected:
 890     matroska_script_interpretor_c interpretor;
 891 };
 892
 893 class chapter_translation_c
 894 {
 895 public:
 896     chapter_translation_c()
 897         :p_translated(NULL)
 898     {}
 899
 900     ~chapter_translation_c()
 901     {
 902         delete p_translated;
 903     }
 904
 905     KaxChapterTranslateID  *p_translated;
 906     unsigned int           codec_id;
 907     std::vector<uint64_t>  editions;
 908 };
 909
 910 class chapter_item_c
 911 {
 912 public:
 913     chapter_item_c()
 914     :i_start_time(0)
 915     ,i_end_time(-1)
 916     ,i_user_start_time(-1)
 917     ,i_user_end_time(-1)
 918     ,i_seekpoint_num(-1)
 919     ,b_display_seekpoint(true)
 920     ,b_user_display(false)
 921     ,psz_parent(NULL)
 922     ,b_is_leaving(false)
 923     {}
 924
 925     virtual ~chapter_item_c()
 926     {
 927         std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
 928         while ( index != codecs.end() )
 929         {
 930             delete (*index);
 931             index++;
 932         }
 933         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
 934         while ( index_ != sub_chapters.end() )
 935         {
 936             delete (*index_);
 937             index_++;
 938         }
 939     }
 940
 941     int64_t RefreshChapters( bool b_ordered, int64_t i_prev_user_time );
 942     int PublishChapters( input_title_t & title, int & i_user_chapters, int i_level = 0 );
 943     virtual chapter_item_c * FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current, bool & b_found );
 944     void Append( const chapter_item_c & edition );
 945     chapter_item_c * FindChapter( int64_t i_find_uid );
 946     virtual chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
 947                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
 948                                     const void *p_cookie,
 949                                     size_t i_cookie_size );
 950     std::string                 GetCodecName( bool f_for_title = false ) const;
 951     bool                        ParentOf( const chapter_item_c & item ) const;
 952     int16                       GetTitleNumber( ) const;
 953
 954     int64_t                     i_start_time, i_end_time;
 955     int64_t                     i_user_start_time, i_user_end_time; /* the time in the stream when an edition is ordered */
 956     std::vector<chapter_item_c*> sub_chapters;
 957     int                         i_seekpoint_num;
 958     int64_t                     i_uid;
 959     bool                        b_display_seekpoint;
 960     bool                        b_user_display;
 961     std::string                 psz_name;
 962     chapter_item_c              *psz_parent;
 963     bool                        b_is_leaving;
 964
 965     std::vector<chapter_codec_cmds_c*> codecs;
 966
 967     static bool CompareTimecode( const chapter_item_c * itemA, const chapter_item_c * itemB )
 968     {
 969         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) );
 970     }
 971
 972     bool Enter( bool b_do_subchapters );
 973     bool Leave( bool b_do_subchapters );
 974     bool EnterAndLeave( chapter_item_c *p_item, bool b_enter = true );
 975 };
 976
 977 class chapter_edition_c : public chapter_item_c
 978 {
 979 public:
 980     chapter_edition_c()
 981     :b_ordered(false)
 982     {}
 983
 984     void RefreshChapters( );
 985     mtime_t Duration() const;
 986     std::string GetMainName() const;
 987     chapter_item_c * FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current );
 988
 989     bool                        b_ordered;
 990 };
 991
 992 class matroska_segment_c
 993 {
 994 public:
 995     matroska_segment_c( demux_sys_t & demuxer, EbmlStream & estream )
 996         :segment(NULL)
 997         ,es(estream)
 998         ,i_timescale(MKVD_TIMECODESCALE)
 999         ,i_duration(-1)
1000         ,i_start_time(0)
1001         ,i_cues_position(-1)
1002         ,i_chapters_position(-1)
1003         ,i_tags_position(-1)
1004         ,cluster(NULL)
1005         ,i_block_pos(0)
1006         ,i_cluster_pos(0)
1007         ,i_start_pos(0)
1008         ,p_segment_uid(NULL)
1009         ,p_prev_segment_uid(NULL)
1010         ,p_next_segment_uid(NULL)
1011         ,b_cues(VLC_FALSE)
1012         ,i_index(0)
1013         ,i_index_max(1024)
1014         ,psz_muxing_application(NULL)
1015         ,psz_writing_application(NULL)
1016         ,psz_segment_filename(NULL)
1017         ,psz_title(NULL)
1018         ,psz_date_utc(NULL)
1019         ,i_default_edition(0)
1020         ,sys(demuxer)
1021         ,ep(NULL)
1022         ,b_preloaded(false)
1023     {
1024         p_indexes = (mkv_index_t*)malloc( sizeof( mkv_index_t ) * i_index_max );
1025     }
1026
1027     virtual ~matroska_segment_c()
1028     {
1029         for( size_t i_track = 0; i_track < tracks.size(); i_track++ )
1030         {
1031             if( tracks[i_track]->fmt.psz_description )
1032             {
1033                 free( tracks[i_track]->fmt.psz_description );
1034             }
1035             if( tracks[i_track]->psz_codec )
1036             {
1037                 free( tracks[i_track]->psz_codec );
1038             }
1039             if( tracks[i_track]->fmt.psz_language )
1040             {
1041                 free( tracks[i_track]->fmt.psz_language );
1042             }
1043             delete tracks[i_track];
1044         }
1045
1046         if( psz_writing_application )
1047         {
1048             free( psz_writing_application );
1049         }
1050         if( psz_muxing_application )
1051         {
1052             free( psz_muxing_application );
1053         }
1054         if( psz_segment_filename )
1055         {
1056             free( psz_segment_filename );
1057         }
1058         if( psz_title )
1059         {
1060             free( psz_title );
1061         }
1062         if( psz_date_utc )
1063         {
1064             free( psz_date_utc );
1065         }
1066         if ( p_indexes )
1067             free( p_indexes );
1068
1069         delete ep;
1070         delete segment;
1071         delete p_segment_uid;
1072         delete p_prev_segment_uid;
1073         delete p_next_segment_uid;
1074
1075         std::vector<chapter_edition_c*>::iterator index = stored_editions.begin();
1076         while ( index != stored_editions.end() )
1077         {
1078             delete (*index);
1079             index++;
1080         }
1081         std::vector<chapter_translation_c*>::iterator indext = translations.begin();
1082         while ( indext != translations.end() )
1083         {
1084             delete (*indext);
1085             indext++;
1086         }
1087         std::vector<KaxSegmentFamily*>::iterator indexf = families.begin();
1088         while ( indexf != families.end() )
1089         {
1090             delete (*indexf);
1091             indexf++;
1092         }
1093     }
1094
1095     KaxSegment              *segment;
1096     EbmlStream              & es;
1097
1098     /* time scale */
1099     uint64_t                i_timescale;
1100
1101     /* duration of the segment */
1102     mtime_t                 i_duration;
1103     mtime_t                 i_start_time;
1104
1105     /* all tracks */
1106     std::vector<mkv_track_t*> tracks;
1107
1108     /* from seekhead */
1109     int64_t                 i_cues_position;
1110     int64_t                 i_chapters_position;
1111     int64_t                 i_tags_position;
1112
1113     KaxCluster              *cluster;
1114     uint64                  i_block_pos;
1115     uint64                  i_cluster_pos;
1116     int64_t                 i_start_pos;
1117     KaxSegmentUID           *p_segment_uid;
1118     KaxPrevUID              *p_prev_segment_uid;
1119     KaxNextUID              *p_next_segment_uid;
1120
1121     vlc_bool_t              b_cues;
1122     int                     i_index;
1123     int                     i_index_max;
1124     mkv_index_t             *p_indexes;
1125
1126     /* info */
1127     char                    *psz_muxing_application;
1128     char                    *psz_writing_application;
1129     char                    *psz_segment_filename;
1130     char                    *psz_title;
1131     char                    *psz_date_utc;
1132
1133     /* !!!!! GCC 3.3 bug on Darwin !!!!! */
1134     /* when you remove this variable the compiler issues an atomicity error */
1135     /* this variable only works when using std::vector<chapter_edition_c> */
1136     std::vector<chapter_edition_c*> stored_editions;
1137     int                             i_default_edition;
1138
1139     std::vector<chapter_translation_c*> translations;
1140     std::vector<KaxSegmentFamily*>  families;
1141
1142     demux_sys_t                    & sys;
1143     EbmlParser                     *ep;
1144     bool                           b_preloaded;
1145
1146     bool Preload( );
1147     bool PreloadFamily( const matroska_segment_c & segment );
1148     void ParseInfo( KaxInfo *info );
1149     void ParseChapters( KaxChapters *chapters );
1150     void ParseSeekHead( KaxSeekHead *seekhead );
1151     void ParseTracks( KaxTracks *tracks );
1152     void ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters );
1153     void ParseTrackEntry( KaxTrackEntry *m );
1154     void ParseCluster( );
1155     void IndexAppendCluster( KaxCluster *cluster );
1156     void LoadCues( );
1157     void LoadTags( );
1158     void InformationCreate( );
1159     void Seek( mtime_t i_date, mtime_t i_time_offset );
1160     int BlockGet( KaxBlock * & pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration );
1161     bool Select( mtime_t i_start_time );
1162     void UnSelect( );
1163
1164     static bool CompareSegmentUIDs( const matroska_segment_c * item_a, const matroska_segment_c * item_b );
1165 };
1166
1167 // class holding hard-linked segment together in the playback order
1168 class virtual_segment_c
1169 {
1170 public:
1171     virtual_segment_c( matroska_segment_c *p_segment )
1172         :p_editions(NULL)
1173         ,i_sys_title(0)
1174         ,i_current_segment(0)
1175         ,i_current_edition(-1)
1176         ,psz_current_chapter(NULL)
1177     {
1178         linked_segments.push_back( p_segment );
1179
1180         AppendUID( p_segment->p_segment_uid );
1181         AppendUID( p_segment->p_prev_segment_uid );
1182         AppendUID( p_segment->p_next_segment_uid );
1183     }
1184
1185     void Sort();
1186     size_t AddSegment( matroska_segment_c *p_segment );
1187     void PreloadLinked( );
1188     mtime_t Duration( ) const;
1189     void LoadCues( );
1190     void Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter );
1191
1192     inline chapter_edition_c *Edition()
1193     {
1194         if ( i_current_edition >= 0 && size_t(i_current_edition) < p_editions->size() )
1195             return (*p_editions)[i_current_edition];
1196         return NULL;
1197     }
1198
1199     matroska_segment_c * Segment() const
1200     {
1201         if ( linked_segments.size() == 0 || i_current_segment >= linked_segments.size() )
1202             return NULL;
1203         return linked_segments[i_current_segment];
1204     }
1205
1206     inline chapter_item_c *CurrentChapter() {
1207         return psz_current_chapter;
1208     }
1209
1210     bool SelectNext()
1211     {
1212         if ( i_current_segment < linked_segments.size()-1 )
1213         {
1214             i_current_segment++;
1215             return true;
1216         }
1217         return false;
1218     }
1219
1220     bool FindUID( KaxSegmentUID & uid ) const
1221     {
1222         for ( size_t i=0; i<linked_uids.size(); i++ )
1223         {
1224             if ( linked_uids[i] == uid )
1225                 return true;
1226         }
1227         return false;
1228     }
1229
1230     bool UpdateCurrentToChapter( demux_t & demux );
1231     void PrepareChapters( );
1232
1233     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
1234                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
1235                                         const void *p_cookie,
1236                                         size_t i_cookie_size );
1237     chapter_item_c *FindChapter( int64_t i_find_uid );
1238
1239     std::vector<chapter_edition_c*>  *p_editions;
1240     int                              i_sys_title;
1241
1242 protected:
1243     std::vector<matroska_segment_c*> linked_segments;
1244     std::vector<KaxSegmentUID>       linked_uids;
1245     size_t                           i_current_segment;
1246
1247     int                              i_current_edition;
1248     chapter_item_c                   *psz_current_chapter;
1249
1250     void                             AppendUID( const EbmlBinary * UID );
1251 };
1252
1253 class matroska_stream_c
1254 {
1255 public:
1256     matroska_stream_c( demux_sys_t & demuxer )
1257         :p_in(NULL)
1258         ,p_es(NULL)
1259         ,sys(demuxer)
1260     {}
1261
1262     virtual ~matroska_stream_c()
1263     {
1264         delete p_in;
1265         delete p_es;
1266     }
1267
1268     IOCallback         *p_in;
1269     EbmlStream         *p_es;
1270
1271     std::vector<matroska_segment_c*> segments;
1272
1273     demux_sys_t                      & sys;
1274 };
1275
1276 typedef struct
1277 {
1278     VLC_COMMON_MEMBERS
1279
1280     demux_t        *p_demux;
1281     vlc_mutex_t     lock;
1282
1283     vlc_bool_t      b_moved;
1284     vlc_bool_t      b_clicked;
1285     vlc_bool_t      b_key;
1286
1287 } event_thread_t;
1288
1289 class demux_sys_t
1290 {
1291 public:
1292     demux_sys_t( demux_t & demux )
1293         :demuxer(demux)
1294         ,i_pts(0)
1295         ,i_start_pts(0)
1296         ,i_chapter_time(0)
1297         ,meta(NULL)
1298         ,i_current_title(0)
1299         ,p_current_segment(NULL)
1300         ,dvd_interpretor( *this )
1301         ,f_duration(-1.0)
1302         ,b_ui_hooked(false)
1303         ,p_input(NULL)
1304         ,b_pci_packet_set(false)
1305         ,p_ev(NULL)
1306     {
1307         vlc_mutex_init( &demuxer, &lock_demuxer );
1308     }
1309
1310     virtual ~demux_sys_t()
1311     {
1312         StopUiThread();
1313         size_t i;
1314         for ( i=0; i<streams.size(); i++ )
1315             delete streams[i];
1316         for ( i=0; i<opened_segments.size(); i++ )
1317             delete opened_segments[i];
1318         for ( i=0; i<used_segments.size(); i++ )
1319             delete used_segments[i];
1320         vlc_mutex_destroy( &lock_demuxer );
1321     }
1322
1323     /* current data */
1324     demux_t                 & demuxer;
1325
1326     mtime_t                 i_pts;
1327     mtime_t                 i_start_pts;
1328     mtime_t                 i_chapter_time;
1329
1330     vlc_meta_t              *meta;
1331
1332     std::vector<input_title_t*>      titles; // matroska editions
1333     size_t                           i_current_title;
1334
1335     std::vector<matroska_stream_c*>  streams;
1336     std::vector<matroska_segment_c*> opened_segments;
1337     std::vector<virtual_segment_c*>  used_segments;
1338     virtual_segment_c                *p_current_segment;
1339
1340     dvd_command_interpretor_c        dvd_interpretor;
1341
1342     /* duration of the stream */
1343     float                   f_duration;
1344
1345     matroska_segment_c *FindSegment( const EbmlBinary & uid ) const;
1346     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
1347                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
1348                                         const void *p_cookie,
1349                                         size_t i_cookie_size,
1350                                         virtual_segment_c * & p_segment_found );
1351     chapter_item_c *FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found );
1352
1353     void PreloadFamily( const matroska_segment_c & of_segment );
1354     void PreloadLinked( matroska_segment_c *p_segment );
1355     bool PreparePlayback( virtual_segment_c *p_new_segment );
1356     matroska_stream_c *AnalyseAllSegmentsFound( demux_t *p_demux, EbmlStream *p_estream, bool b_initial = false );
1357     void JumpTo( virtual_segment_c & p_segment, chapter_item_c * p_chapter );
1358
1359     void StartUiThread();
1360     void StopUiThread();
1361     bool b_ui_hooked;
1362     inline void SwapButtons();
1363
1364     /* for spu variables */
1365     input_thread_t *p_input;
1366     pci_t          pci_packet;
1367     bool           b_pci_packet_set;
1368     uint8_t        palette[4][4];
1369     vlc_mutex_t    lock_demuxer;
1370
1371     /* event */
1372     event_thread_t *p_ev;
1373     static int EventThread( vlc_object_t *p_this );
1374     static int EventMouse( vlc_object_t *p_this, char const *psz_var,
1375                        vlc_value_t oldval, vlc_value_t newval, void *p_data );
1376     static int EventKey( vlc_object_t *p_this, char const *psz_var,
1377                      vlc_value_t oldval, vlc_value_t newval, void *p_data );
1378
1379
1380
1381 protected:
1382     virtual_segment_c *VirtualFromSegments( matroska_segment_c *p_segment ) const;
1383     bool IsUsedSegment( matroska_segment_c &p_segment ) const;
1384 };
1385
1386 static int  Demux  ( demux_t * );
1387 static int  Control( demux_t *, int, va_list );
1388 static void Seek   ( demux_t *, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter );
1389
1390 #define MKV_IS_ID( el, C ) ( EbmlId( (*el) ) == C::ClassInfos.GlobalId )
1391
1392 static inline char * ToUTF8( const UTFstring &u )
1393 {
1394     return strdup( u.GetUTF8().c_str() );
1395 }
1396
1397 /*****************************************************************************
1398  * Open: initializes matroska demux structures
1399  *****************************************************************************/
1400 static int Open( vlc_object_t * p_this )
1401 {
1402     demux_t            *p_demux = (demux_t*)p_this;
1403     demux_sys_t        *p_sys;
1404     matroska_stream_c  *p_stream;
1405     matroska_segment_c *p_segment;
1406     uint8_t            *p_peek;
1407     std::string        s_path, s_filename;
1408     vlc_stream_io_callback *p_io_callback;
1409     EbmlStream         *p_io_stream;
1410
1411     /* peek the begining */
1412     if( stream_Peek( p_demux->s, &p_peek, 4 ) < 4 ) return VLC_EGENERIC;
1413
1414     /* is a valid file */
1415     if( p_peek[0] != 0x1a || p_peek[1] != 0x45 ||
1416         p_peek[2] != 0xdf || p_peek[3] != 0xa3 ) return VLC_EGENERIC;
1417
1418     /* Set the demux function */
1419     p_demux->pf_demux   = Demux;
1420     p_demux->pf_control = Control;
1421     p_demux->p_sys      = p_sys = new demux_sys_t( *p_demux );
1422
1423     p_io_callback = new vlc_stream_io_callback( p_demux->s, VLC_FALSE );
1424     p_io_stream = new EbmlStream( *p_io_callback );
1425
1426     if( p_io_stream == NULL )
1427     {
1428         msg_Err( p_demux, "failed to create EbmlStream" );
1429         delete p_io_callback;
1430         delete p_sys;
1431         return VLC_EGENERIC;
1432     }
1433
1434     p_stream = p_sys->AnalyseAllSegmentsFound( p_demux, p_io_stream, true );
1435     if( p_stream == NULL )
1436     {
1437         msg_Err( p_demux, "cannot find KaxSegment" );
1438         goto error;
1439     }
1440     p_sys->streams.push_back( p_stream );
1441
1442     p_stream->p_in = p_io_callback;
1443     p_stream->p_es = p_io_stream;
1444
1445     for (size_t i=0; i<p_stream->segments.size(); i++)
1446     {
1447         p_stream->segments[i]->Preload();
1448     }
1449
1450     p_segment = p_stream->segments[0];
1451     if( p_segment->cluster != NULL )
1452     {
1453         msg_Warn( p_demux, "cannot find any cluster, damaged file ?" );
1454
1455         // reset the stream reading to the first cluster of the segment used
1456         p_stream->p_in->setFilePointer( p_segment->cluster->GetElementPosition() );
1457     }
1458
1459     if (config_GetInt( p_demux, "mkv-preload-local-dir" ))
1460     {
1461         /* get the files from the same dir from the same family (based on p_demux->psz_path) */
1462         if (p_demux->psz_path[0] != '\0' && !strcmp(p_demux->psz_access, ""))
1463         {
1464             // assume it's a regular file
1465             // get the directory path
1466             s_path = p_demux->psz_path;
1467             if (s_path.at(s_path.length() - 1) == DIRECTORY_SEPARATOR)
1468             {
1469                 s_path = s_path.substr(0,s_path.length()-1);
1470             }
1471             else
1472             {
1473                 if (s_path.find_last_of(DIRECTORY_SEPARATOR) > 0)
1474                 {
1475                     s_path = s_path.substr(0,s_path.find_last_of(DIRECTORY_SEPARATOR));
1476                 }
1477             }
1478
1479             struct dirent *p_file_item;
1480             DIR *p_src_dir = opendir(s_path.c_str());
1481
1482             if (p_src_dir != NULL)
1483             {
1484                 while ((p_file_item = (dirent *) readdir(p_src_dir)))
1485                 {
1486                     if (strlen(p_file_item->d_name) > 4)
1487                     {
1488                         s_filename = s_path + DIRECTORY_SEPARATOR + p_file_item->d_name;
1489
1490                         if (!s_filename.compare(p_demux->psz_path))
1491                             continue; // don't reuse the original opened file
1492
1493 #if defined(__GNUC__) && (__GNUC__ < 3)
1494                         if (!s_filename.compare("mkv", s_filename.length() - 3, 3) ||
1495                             !s_filename.compare("mka", s_filename.length() - 3, 3))
1496 #else
1497                         if (!s_filename.compare(s_filename.length() - 3, 3, "mkv") ||
1498                             !s_filename.compare(s_filename.length() - 3, 3, "mka"))
1499 #endif
1500                         {
1501                             // test wether this file belongs to our family
1502                             stream_t *p_file_stream = stream_UrlNew( p_demux, s_filename.c_str());
1503                             if ( p_file_stream != NULL )
1504                             {
1505                                 vlc_stream_io_callback *p_file_io = new vlc_stream_io_callback( p_file_stream, VLC_TRUE );
1506                                 EbmlStream *p_estream = new EbmlStream(*p_file_io);
1507
1508                                 p_stream = p_sys->AnalyseAllSegmentsFound( p_demux, p_estream );
1509
1510                                 if ( p_stream == NULL )
1511                                 {
1512                                     msg_Dbg( p_demux, "the file '%s' will not be used", s_filename.c_str() );
1513                                     delete p_estream;
1514                                     delete p_file_io;
1515                                 }
1516                                 else
1517                                 {
1518                                     p_stream->p_in = p_file_io;
1519                                     p_stream->p_es = p_estream;
1520                                     p_sys->streams.push_back( p_stream );
1521                                 }
1522                             }
1523                             else
1524                             {
1525                                 msg_Dbg( p_demux, "the file '%s' cannot be opened", s_filename.c_str() );
1526                             }
1527                         }
1528                     }
1529                 }
1530                 closedir( p_src_dir );
1531             }
1532         }
1533
1534         p_sys->PreloadFamily( *p_segment );
1535     }
1536
1537     p_sys->PreloadLinked( p_segment );
1538
1539     if ( !p_sys->PreparePlayback( NULL ) )
1540     {
1541         msg_Err( p_demux, "cannot use the segment" );
1542         goto error;
1543     }
1544
1545     p_sys->StartUiThread();
1546
1547     return VLC_SUCCESS;
1548
1549 error:
1550     delete p_sys;
1551     return VLC_EGENERIC;
1552 }
1553
1554 /*****************************************************************************
1555  * Close: frees unused data
1556  *****************************************************************************/
1557 static void Close( vlc_object_t *p_this )
1558 {
1559     demux_t     *p_demux = (demux_t*)p_this;
1560     demux_sys_t *p_sys   = p_demux->p_sys;
1561
1562     delete p_sys;
1563 }
1564
1565 /*****************************************************************************
1566  * Control:
1567  *****************************************************************************/
1568 static int Control( demux_t *p_demux, int i_query, va_list args )
1569 {
1570     demux_sys_t        *p_sys = p_demux->p_sys;
1571     int64_t     *pi64;
1572     double      *pf, f;
1573     int         i_skp;
1574     size_t      i_idx;
1575
1576     vlc_meta_t **pp_meta;
1577
1578     switch( i_query )
1579     {
1580         case DEMUX_GET_META:
1581             pp_meta = (vlc_meta_t**)va_arg( args, vlc_meta_t** );
1582             *pp_meta = vlc_meta_Duplicate( p_sys->meta );
1583             return VLC_SUCCESS;
1584
1585         case DEMUX_GET_LENGTH:
1586             pi64 = (int64_t*)va_arg( args, int64_t * );
1587             if( p_sys->f_duration > 0.0 )
1588             {
1589                 *pi64 = (int64_t)(p_sys->f_duration * 1000);
1590                 return VLC_SUCCESS;
1591             }
1592             return VLC_EGENERIC;
1593
1594         case DEMUX_GET_POSITION:
1595             pf = (double*)va_arg( args, double * );
1596             if ( p_sys->f_duration > 0.0 )
1597                 *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);
1598             return VLC_SUCCESS;
1599
1600         case DEMUX_SET_POSITION:
1601             f = (double)va_arg( args, double );
1602             Seek( p_demux, -1, f, NULL );
1603             return VLC_SUCCESS;
1604
1605         case DEMUX_GET_TIME:
1606             pi64 = (int64_t*)va_arg( args, int64_t * );
1607             *pi64 = p_sys->i_pts;
1608             return VLC_SUCCESS;
1609
1610         case DEMUX_GET_TITLE_INFO:
1611             if( p_sys->titles.size() )
1612             {
1613                 input_title_t ***ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
1614                 int *pi_int    = (int*)va_arg( args, int* );
1615
1616                 *pi_int = p_sys->titles.size();
1617                 *ppp_title = (input_title_t**)malloc( sizeof( input_title_t**) * p_sys->titles.size() );
1618
1619                 for( size_t i = 0; i < p_sys->titles.size(); i++ )
1620                 {
1621                     (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->titles[i] );
1622                 }
1623
1624                 return VLC_SUCCESS;
1625             }
1626             return VLC_EGENERIC;
1627
1628         case DEMUX_SET_TITLE:
1629             /* TODO handle editions as titles */
1630             i_idx = (int)va_arg( args, int );
1631             if( i_idx < p_sys->used_segments.size() )
1632             {
1633                 p_sys->JumpTo( *p_sys->used_segments[i_idx], NULL );
1634                 return VLC_SUCCESS;
1635             }
1636             return VLC_EGENERIC;
1637
1638         case DEMUX_SET_SEEKPOINT:
1639             i_skp = (int)va_arg( args, int );
1640
1641             // TODO change the way it works with the << & >> buttons on the UI (+1/-1 instead of a number)
1642             if( p_sys->titles.size() && i_skp < p_sys->titles[p_sys->i_current_title]->i_seekpoint)
1643             {
1644                 Seek( p_demux, (int64_t)p_sys->titles[p_sys->i_current_title]->seekpoint[i_skp]->i_time_offset, -1, NULL);
1645                 p_demux->info.i_seekpoint |= INPUT_UPDATE_SEEKPOINT;
1646                 p_demux->info.i_seekpoint = i_skp;
1647                 return VLC_SUCCESS;
1648             }
1649             return VLC_EGENERIC;
1650
1651         case DEMUX_SET_TIME:
1652         case DEMUX_GET_FPS:
1653         default:
1654             return VLC_EGENERIC;
1655     }
1656 }
1657
1658 int matroska_segment_c::BlockGet( KaxBlock * & pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration )
1659 {
1660     pp_block = NULL;
1661     *pi_ref1  = 0;
1662     *pi_ref2  = 0;
1663
1664     for( ;; )
1665     {
1666         EbmlElement *el;
1667         int         i_level;
1668
1669         if ( ep == NULL )
1670             return VLC_EGENERIC;
1671
1672         el = ep->Get();
1673         i_level = ep->GetLevel();
1674
1675         if( el == NULL && pp_block != NULL )
1676         {
1677             /* update the index */
1678 #define idx p_indexes[i_index - 1]
1679             if( i_index > 0 && idx.i_time == -1 )
1680             {
1681                 idx.i_time        = (*pp_block).GlobalTimecode() / (mtime_t)1000;
1682                 idx.b_key         = *pi_ref1 == 0 ? VLC_TRUE : VLC_FALSE;
1683             }
1684 #undef idx
1685             return VLC_SUCCESS;
1686         }
1687
1688         if( el == NULL )
1689         {
1690             if( ep->GetLevel() > 1 )
1691             {
1692                 ep->Up();
1693                 continue;
1694             }
1695             msg_Warn( &sys.demuxer, "EOF" );
1696             return VLC_EGENERIC;
1697         }
1698
1699         /* do parsing */
1700         switch ( i_level )
1701         {
1702         case 1:
1703             if( MKV_IS_ID( el, KaxCluster ) )
1704             {
1705                 cluster = (KaxCluster*)el;
1706                 i_cluster_pos = cluster->GetElementPosition();
1707
1708                 /* add it to the index */
1709                 if( i_index == 0 ||
1710                     ( i_index > 0 && p_indexes[i_index - 1].i_position < (int64_t)cluster->GetElementPosition() ) )
1711                 {
1712                     IndexAppendCluster( cluster );
1713                 }
1714
1715                 // reset silent tracks
1716                 for (size_t i=0; i<tracks.size(); i++)
1717                 {
1718                     tracks[i]->b_silent = VLC_FALSE;
1719                 }
1720
1721                 ep->Down();
1722             }
1723             else if( MKV_IS_ID( el, KaxCues ) )
1724             {
1725                 msg_Warn( &sys.demuxer, "find KaxCues FIXME" );
1726                 return VLC_EGENERIC;
1727             }
1728             else
1729             {
1730                 msg_Dbg( &sys.demuxer, "unknown (%s)", typeid( el ).name() );
1731             }
1732             break;
1733         case 2:
1734             if( MKV_IS_ID( el, KaxClusterTimecode ) )
1735             {
1736                 KaxClusterTimecode &ctc = *(KaxClusterTimecode*)el;
1737
1738                 ctc.ReadData( es.I_O(), SCOPE_ALL_DATA );
1739                 cluster->InitTimecode( uint64( ctc ), i_timescale );
1740             }
1741             else if( MKV_IS_ID( el, KaxClusterSilentTracks ) )
1742             {
1743                 ep->Down();
1744             }
1745             else if( MKV_IS_ID( el, KaxBlockGroup ) )
1746             {
1747                 i_block_pos = el->GetElementPosition();
1748                 ep->Down();
1749             }
1750             break;
1751         case 3:
1752             if( MKV_IS_ID( el, KaxBlock ) )
1753             {
1754                 pp_block = (KaxBlock*)el;
1755
1756                 pp_block->ReadData( es.I_O() );
1757                 pp_block->SetParent( *cluster );
1758
1759                 ep->Keep();
1760             }
1761             else if( MKV_IS_ID( el, KaxBlockDuration ) )
1762             {
1763                 KaxBlockDuration &dur = *(KaxBlockDuration*)el;
1764
1765                 dur.ReadData( es.I_O() );
1766                 *pi_duration = uint64( dur );
1767             }
1768             else if( MKV_IS_ID( el, KaxReferenceBlock ) )
1769             {
1770                 KaxReferenceBlock &ref = *(KaxReferenceBlock*)el;
1771
1772                 ref.ReadData( es.I_O() );
1773                 if( *pi_ref1 == 0 )
1774                 {
1775                     *pi_ref1 = int64( ref ) * cluster->GlobalTimecodeScale();
1776                 }
1777                 else
1778                 {
1779                     *pi_ref2 = int64( ref ) * cluster->GlobalTimecodeScale();
1780                 }
1781             }
1782             else if( MKV_IS_ID( el, KaxClusterSilentTrackNumber ) )
1783             {
1784                 KaxClusterSilentTrackNumber &track_num = *(KaxClusterSilentTrackNumber*)el;
1785                 track_num.ReadData( es.I_O() );
1786                 // find the track
1787                 for (size_t i=0; i<tracks.size(); i++)
1788                 {
1789                     if ( tracks[i]->i_number == uint32(track_num))
1790                     {
1791                         tracks[i]->b_silent = VLC_TRUE;
1792                         break;
1793                     }
1794                 }
1795             }
1796             break;
1797         default:
1798             msg_Err( &sys.demuxer, "invalid level = %d", i_level );
1799             return VLC_EGENERIC;
1800         }
1801     }
1802 }
1803
1804 static block_t *MemToBlock( demux_t *p_demux, uint8_t *p_mem, int i_mem)
1805 {
1806     block_t *p_block;
1807     if( !(p_block = block_New( p_demux, i_mem ) ) ) return NULL;
1808     memcpy( p_block->p_buffer, p_mem, i_mem );
1809     //p_block->i_rate = p_input->stream.control.i_rate;
1810     return p_block;
1811 }
1812
1813 static void BlockDecode( demux_t *p_demux, KaxBlock *block, mtime_t i_pts,
1814                          mtime_t i_duration, bool f_unreferenced )
1815 {
1816     demux_sys_t        *p_sys = p_demux->p_sys;
1817     matroska_segment_c *p_segment = p_sys->p_current_segment->Segment();
1818
1819     size_t          i_track;
1820     unsigned int    i;
1821     vlc_bool_t      b;
1822
1823 #define tk  p_segment->tracks[i_track]
1824     for( i_track = 0; i_track < p_segment->tracks.size(); i_track++ )
1825     {
1826         if( tk->i_number == block->TrackNum() )
1827         {
1828             break;
1829         }
1830     }
1831
1832     if( i_track >= p_segment->tracks.size() )
1833     {
1834         msg_Err( p_demux, "invalid track number=%d", block->TrackNum() );
1835         return;
1836     }
1837     if( tk->fmt.i_cat != NAV_ES && tk->p_es == NULL )
1838     {
1839         msg_Err( p_demux, "unknown track number=%d", block->TrackNum() );
1840         return;
1841     }
1842     if( i_pts + i_duration < p_sys->i_start_pts && tk->fmt.i_cat == AUDIO_ES )
1843     {
1844         return; /* discard audio packets that shouldn't be rendered */
1845     }
1846
1847     if ( tk->fmt.i_cat != NAV_ES )
1848     {
1849         es_out_Control( p_demux->out, ES_OUT_GET_ES_STATE, tk->p_es, &b );
1850
1851         if( !b )
1852         {
1853             tk->b_inited = VLC_FALSE;
1854             return;
1855         }
1856     }
1857
1858
1859     /* First send init data */
1860     if( !tk->b_inited && tk->i_data_init > 0 )
1861     {
1862         block_t *p_init;
1863
1864         msg_Dbg( p_demux, "sending header (%d bytes)", tk->i_data_init );
1865         p_init = MemToBlock( p_demux, tk->p_data_init, tk->i_data_init );
1866         if( p_init ) es_out_Send( p_demux->out, tk->p_es, p_init );
1867     }
1868     tk->b_inited = VLC_TRUE;
1869
1870
1871     for( i = 0; i < block->NumberFrames(); i++ )
1872     {
1873         block_t *p_block;
1874         DataBuffer &data = block->GetBuffer(i);
1875
1876         p_block = MemToBlock( p_demux, data.Buffer(), data.Size() );
1877
1878         if( p_block == NULL )
1879         {
1880             break;
1881         }
1882
1883 #if defined(HAVE_ZLIB_H)
1884         if( tk->i_compression_type )
1885         {
1886             p_block = block_zlib_decompress( VLC_OBJECT(p_demux), p_block );
1887         }
1888 #endif
1889
1890         if ( tk->fmt.i_cat == NAV_ES )
1891         {
1892             // TODO handle the start/stop times of this packet
1893             if ( p_sys->b_ui_hooked )
1894             {
1895                 vlc_mutex_lock( &p_sys->p_ev->lock );
1896                 memcpy( &p_sys->pci_packet, &p_block->p_buffer[1], sizeof(pci_t) );
1897                 p_sys->SwapButtons();
1898                 p_sys->b_pci_packet_set = true;
1899                 vlc_mutex_unlock( &p_sys->p_ev->lock );
1900                 block_Release( p_block );
1901             }
1902             return;
1903         }
1904         // correct timestamping when B frames are used
1905         if( tk->fmt.i_cat != VIDEO_ES )
1906         {
1907             p_block->i_dts = p_block->i_pts = i_pts;
1908         }
1909         else
1910         {
1911             if( !strcmp( tk->psz_codec, "V_MS/VFW/FOURCC" ) )
1912             {
1913                 // in VFW we have no idea about B frames
1914                 p_block->i_pts = 0;
1915                 p_block->i_dts = i_pts;
1916             }
1917             else
1918             {
1919                 p_block->i_pts = i_pts;
1920                 if ( f_unreferenced )
1921                     p_block->i_dts = p_block->i_pts;
1922                 else
1923                     p_block->i_dts = min( i_pts, tk->i_last_dts + (tk->i_default_duration >> 10));
1924                 p_sys->i_pts = p_block->i_dts;
1925             }
1926         }
1927         tk->i_last_dts = p_block->i_dts;
1928
1929 #if 1
1930 msg_Dbg( p_demux, "block i_dts: "I64Fd" / i_pts: "I64Fd, p_block->i_dts, p_block->i_pts);
1931 #endif
1932         if( strcmp( tk->psz_codec, "S_VOBSUB" ) )
1933         {
1934             p_block->i_length = i_duration * 1000;
1935         }
1936
1937         es_out_Send( p_demux->out, tk->p_es, p_block );
1938
1939         /* use time stamp only for first block */
1940         i_pts = 0;
1941     }
1942
1943 #undef tk
1944 }
1945
1946 matroska_stream_c *demux_sys_t::AnalyseAllSegmentsFound( demux_t *p_demux, EbmlStream *p_estream, bool b_initial )
1947 {
1948     int i_upper_lvl = 0;
1949     size_t i;
1950     EbmlElement *p_l0, *p_l1, *p_l2;
1951     bool b_keep_stream = false, b_keep_segment;
1952
1953     // verify the EBML Header
1954     p_l0 = p_estream->FindNextID(EbmlHead::ClassInfos, 0xFFFFFFFFL);
1955     if (p_l0 == NULL)
1956     {
1957         msg_Err( p_demux, "No EBML header found" );
1958         return NULL;
1959     }
1960
1961     // verify we can read this Segment, we only support Matroska version 1 for now
1962     p_l0->Read(*p_estream, EbmlHead::ClassInfos.Context, i_upper_lvl, p_l0, true);
1963
1964     EDocType doc_type = GetChild<EDocType>(*static_cast<EbmlHead*>(p_l0));
1965     if (std::string(doc_type) != "matroska")
1966     {
1967         msg_Err( p_demux, "Not a Matroska file : DocType = %s ", std::string(doc_type).c_str());
1968         return NULL;
1969     }
1970
1971     EDocTypeReadVersion doc_read_version = GetChild<EDocTypeReadVersion>(*static_cast<EbmlHead*>(p_l0));
1972     if (uint64(doc_read_version) != 1)
1973     {
1974         msg_Err( p_demux, "This matroska file is needs version "I64Fd" and this VLC only supports version 1", uint64(doc_read_version));
1975         return NULL;
1976     }
1977
1978     delete p_l0;
1979
1980
1981     // find all segments in this file
1982     p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFFLL);
1983     if (p_l0 == NULL)
1984     {
1985         return NULL;
1986     }
1987
1988     matroska_stream_c *p_stream1 = new matroska_stream_c( *this );
1989
1990     while (p_l0 != 0)
1991     {
1992         if (EbmlId(*p_l0) == KaxSegment::ClassInfos.GlobalId)
1993         {
1994             EbmlParser  *ep;
1995             matroska_segment_c *p_segment1 = new matroska_segment_c( *this, *p_estream );
1996             b_keep_segment = b_initial;
1997
1998             ep = new EbmlParser(p_estream, p_l0, &demuxer );
1999             p_segment1->ep = ep;
2000             p_segment1->segment = (KaxSegment*)p_l0;
2001
2002             while ((p_l1 = ep->Get()))
2003             {
2004                 if (MKV_IS_ID(p_l1, KaxInfo))
2005                 {
2006                     // find the families of this segment
2007                     KaxInfo *p_info = static_cast<KaxInfo*>(p_l1);
2008
2009                     p_info->Read(*p_estream, KaxInfo::ClassInfos.Context, i_upper_lvl, p_l2, true);
2010                     for( i = 0; i < p_info->ListSize(); i++ )
2011                     {
2012                         EbmlElement *l = (*p_info)[i];
2013
2014                         if( MKV_IS_ID( l, KaxSegmentUID ) )
2015                         {
2016                             KaxSegmentUID *p_uid = static_cast<KaxSegmentUID*>(l);
2017                             b_keep_segment = (FindSegment( *p_uid ) == NULL);
2018                             if ( !b_keep_segment )
2019                                 break; // this segment is already known
2020                             opened_segments.push_back( p_segment1 );
2021                             delete p_segment1->p_segment_uid;
2022                             p_segment1->p_segment_uid = new KaxSegmentUID(*p_uid);
2023                         }
2024                         else if( MKV_IS_ID( l, KaxPrevUID ) )
2025                         {
2026                             p_segment1->p_prev_segment_uid = new KaxPrevUID( *static_cast<KaxPrevUID*>(l) );
2027                         }
2028                         else if( MKV_IS_ID( l, KaxNextUID ) )
2029                         {
2030                             p_segment1->p_next_segment_uid = new KaxNextUID( *static_cast<KaxNextUID*>(l) );
2031                         }
2032                         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
2033                         {
2034                             KaxSegmentFamily *p_fam = new KaxSegmentFamily( *static_cast<KaxSegmentFamily*>(l) );
2035                             p_segment1->families.push_back( p_fam );
2036                         }
2037                     }
2038                     break;
2039                 }
2040             }
2041             if ( b_keep_segment )
2042             {
2043                 b_keep_stream = true;
2044                 p_stream1->segments.push_back( p_segment1 );
2045             }
2046             else
2047                 delete p_segment1;
2048         }
2049         if (p_l0->IsFiniteSize() )
2050         {
2051             p_l0->SkipData(*p_estream, KaxMatroska_Context);
2052             p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFL);
2053         }
2054         else
2055             p_l0 = p_l0->SkipData(*p_estream, KaxSegment_Context);
2056     }
2057
2058     if ( !b_keep_stream )
2059     {
2060         delete p_stream1;
2061         p_stream1 = NULL;
2062     }
2063
2064     return p_stream1;
2065 }
2066
2067 bool matroska_segment_c::Select( mtime_t i_start_time )
2068 {
2069     size_t i_track;
2070
2071     /* add all es */
2072     msg_Dbg( &sys.demuxer, "found %d es", (int)tracks.size() );
2073     sys.b_pci_packet_set = false;
2074
2075     for( i_track = 0; i_track < tracks.size(); i_track++ )
2076     {
2077         if( tracks[i_track]->fmt.i_cat == UNKNOWN_ES )
2078         {
2079             msg_Warn( &sys.demuxer, "invalid track[%d, n=%d]", (int)i_track, tracks[i_track]->i_number );
2080             tracks[i_track]->p_es = NULL;
2081             continue;
2082         }
2083
2084         if( !strcmp( tracks[i_track]->psz_codec, "V_MS/VFW/FOURCC" ) )
2085         {
2086             if( tracks[i_track]->i_extra_data < (int)sizeof( BITMAPINFOHEADER ) )
2087             {
2088                 msg_Err( &sys.demuxer, "missing/invalid BITMAPINFOHEADER" );
2089                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2090             }
2091             else
2092             {
2093                 BITMAPINFOHEADER *p_bih = (BITMAPINFOHEADER*)tracks[i_track]->p_extra_data;
2094
2095                 tracks[i_track]->fmt.video.i_width = GetDWLE( &p_bih->biWidth );
2096                 tracks[i_track]->fmt.video.i_height= GetDWLE( &p_bih->biHeight );
2097                 tracks[i_track]->fmt.i_codec       = GetFOURCC( &p_bih->biCompression );
2098
2099                 tracks[i_track]->fmt.i_extra       = GetDWLE( &p_bih->biSize ) - sizeof( BITMAPINFOHEADER );
2100                 if( tracks[i_track]->fmt.i_extra > 0 )
2101                 {
2102                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2103                     memcpy( tracks[i_track]->fmt.p_extra, &p_bih[1], tracks[i_track]->fmt.i_extra );
2104                 }
2105             }
2106         }
2107         else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG1" ) ||
2108                  !strcmp( tracks[i_track]->psz_codec, "V_MPEG2" ) )
2109         {
2110             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'v' );
2111         }
2112         else if( !strncmp( tracks[i_track]->psz_codec, "V_MPEG4", 7 ) )
2113         {
2114             if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/MS/V3" ) )
2115             {
2116                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'D', 'I', 'V', '3' );
2117             }
2118             else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/ISO/AVC" ) )
2119             {
2120                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'v', 'c', '1' );
2121                 tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2122                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2123                 memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2124             }
2125             else
2126             {
2127                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' );
2128             }
2129         }
2130         else if( !strcmp( tracks[i_track]->psz_codec, "V_QUICKTIME" ) )
2131         {
2132             MP4_Box_t *p_box = (MP4_Box_t*)malloc( sizeof( MP4_Box_t ) );
2133             stream_t *p_mp4_stream = stream_MemoryNew( VLC_OBJECT(&sys.demuxer),
2134                                                        tracks[i_track]->p_extra_data,
2135                                                        tracks[i_track]->i_extra_data,
2136                                                        VLC_FALSE );
2137             MP4_ReadBoxCommon( p_mp4_stream, p_box );
2138             MP4_ReadBox_sample_vide( p_mp4_stream, p_box );
2139             tracks[i_track]->fmt.i_codec = p_box->i_type;
2140             tracks[i_track]->fmt.video.i_width = p_box->data.p_sample_vide->i_width;
2141             tracks[i_track]->fmt.video.i_height = p_box->data.p_sample_vide->i_height;
2142             tracks[i_track]->fmt.i_extra = p_box->data.p_sample_vide->i_qt_image_description;
2143             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2144             memcpy( tracks[i_track]->fmt.p_extra, p_box->data.p_sample_vide->p_qt_image_description, tracks[i_track]->fmt.i_extra );
2145             MP4_FreeBox_sample_vide( p_box );
2146             stream_Delete( p_mp4_stream );
2147         }
2148         else if( !strcmp( tracks[i_track]->psz_codec, "A_MS/ACM" ) )
2149         {
2150             if( tracks[i_track]->i_extra_data < (int)sizeof( WAVEFORMATEX ) )
2151             {
2152                 msg_Err( &sys.demuxer, "missing/invalid WAVEFORMATEX" );
2153                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2154             }
2155             else
2156             {
2157                 WAVEFORMATEX *p_wf = (WAVEFORMATEX*)tracks[i_track]->p_extra_data;
2158
2159                 wf_tag_to_fourcc( GetWLE( &p_wf->wFormatTag ), &tracks[i_track]->fmt.i_codec, NULL );
2160
2161                 tracks[i_track]->fmt.audio.i_channels   = GetWLE( &p_wf->nChannels );
2162                 tracks[i_track]->fmt.audio.i_rate = GetDWLE( &p_wf->nSamplesPerSec );
2163                 tracks[i_track]->fmt.i_bitrate    = GetDWLE( &p_wf->nAvgBytesPerSec ) * 8;
2164                 tracks[i_track]->fmt.audio.i_blockalign = GetWLE( &p_wf->nBlockAlign );;
2165                 tracks[i_track]->fmt.audio.i_bitspersample = GetWLE( &p_wf->wBitsPerSample );
2166
2167                 tracks[i_track]->fmt.i_extra            = GetWLE( &p_wf->cbSize );
2168                 if( tracks[i_track]->fmt.i_extra > 0 )
2169                 {
2170                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2171                     memcpy( tracks[i_track]->fmt.p_extra, &p_wf[1], tracks[i_track]->fmt.i_extra );
2172                 }
2173             }
2174         }
2175         else if( !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L3" ) ||
2176                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L2" ) ||
2177                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L1" ) )
2178         {
2179             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' );
2180         }
2181         else if( !strcmp( tracks[i_track]->psz_codec, "A_AC3" ) )
2182         {
2183             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' );
2184         }
2185         else if( !strcmp( tracks[i_track]->psz_codec, "A_DTS" ) )
2186         {
2187             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'd', 't', 's', ' ' );
2188         }
2189         else if( !strcmp( tracks[i_track]->psz_codec, "A_FLAC" ) )
2190         {
2191             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'f', 'l', 'a', 'c' );
2192             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2193             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2194             memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2195         }
2196         else if( !strcmp( tracks[i_track]->psz_codec, "A_VORBIS" ) )
2197         {
2198             int i, i_offset = 1, i_size[3], i_extra;
2199             uint8_t *p_extra;
2200
2201             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'v', 'o', 'r', 'b' );
2202
2203             /* Split the 3 headers */
2204             if( tracks[i_track]->p_extra_data[0] != 0x02 )
2205                 msg_Err( &sys.demuxer, "invalid vorbis header" );
2206
2207             for( i = 0; i < 2; i++ )
2208             {
2209                 i_size[i] = 0;
2210                 while( i_offset < tracks[i_track]->i_extra_data )
2211                 {
2212                     i_size[i] += tracks[i_track]->p_extra_data[i_offset];
2213                     if( tracks[i_track]->p_extra_data[i_offset++] != 0xff ) break;
2214                 }
2215             }
2216
2217             i_size[0] = __MIN(i_size[0], tracks[i_track]->i_extra_data - i_offset);
2218             i_size[1] = __MIN(i_size[1], tracks[i_track]->i_extra_data -i_offset -i_size[0]);
2219             i_size[2] = tracks[i_track]->i_extra_data - i_offset - i_size[0] - i_size[1];
2220
2221             tracks[i_track]->fmt.i_extra = 3 * 2 + i_size[0] + i_size[1] + i_size[2];
2222             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2223             p_extra = (uint8_t *)tracks[i_track]->fmt.p_extra; i_extra = 0;
2224             for( i = 0; i < 3; i++ )
2225             {
2226                 *(p_extra++) = i_size[i] >> 8;
2227                 *(p_extra++) = i_size[i] & 0xFF;
2228                 memcpy( p_extra, tracks[i_track]->p_extra_data + i_offset + i_extra,
2229                         i_size[i] );
2230                 p_extra += i_size[i];
2231                 i_extra += i_size[i];
2232             }
2233         }
2234         else if( !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG2/", strlen( "A_AAC/MPEG2/" ) ) ||
2235                  !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG4/", strlen( "A_AAC/MPEG4/" ) ) )
2236         {
2237             int i_profile, i_srate;
2238             static unsigned int i_sample_rates[] =
2239             {
2240                     96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050,
2241                         16000, 12000, 11025, 8000,  7350,  0,     0,     0
2242             };
2243
2244             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
2245             /* create data for faad (MP4DecSpecificDescrTag)*/
2246
2247             if( !strcmp( &tracks[i_track]->psz_codec[12], "MAIN" ) )
2248             {
2249                 i_profile = 0;
2250             }
2251             else if( !strcmp( &tracks[i_track]->psz_codec[12], "LC" ) )
2252             {
2253                 i_profile = 1;
2254             }
2255             else if( !strcmp( &tracks[i_track]->psz_codec[12], "SSR" ) )
2256             {
2257                 i_profile = 2;
2258             }
2259             else
2260             {
2261                 i_profile = 3;
2262             }
2263
2264             for( i_srate = 0; i_srate < 13; i_srate++ )
2265             {
2266                 if( i_sample_rates[i_srate] == tracks[i_track]->fmt.audio.i_rate )
2267                 {
2268                     break;
2269                 }
2270             }
2271             msg_Dbg( &sys.demuxer, "profile=%d srate=%d", i_profile, i_srate );
2272
2273             tracks[i_track]->fmt.i_extra = 2;
2274             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2275             ((uint8_t*)tracks[i_track]->fmt.p_extra)[0] = ((i_profile + 1) << 3) | ((i_srate&0xe) >> 1);
2276             ((uint8_t*)tracks[i_track]->fmt.p_extra)[1] = ((i_srate & 0x1) << 7) | (tracks[i_track]->fmt.audio.i_channels << 3);
2277         }
2278         else if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) ||
2279                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/LIT" ) ||
2280                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/FLOAT/IEEE" ) )
2281         {
2282             if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) )
2283             {
2284                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
2285             }
2286             else
2287             {
2288                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
2289             }
2290             tracks[i_track]->fmt.audio.i_blockalign = ( tracks[i_track]->fmt.audio.i_bitspersample + 7 ) / 8 * tracks[i_track]->fmt.audio.i_channels;
2291         }
2292         else if( !strcmp( tracks[i_track]->psz_codec, "A_TTA1" ) )
2293         {
2294             /* FIXME: support this codec */
2295             msg_Err( &sys.demuxer, "TTA not supported yet[%d, n=%d]", (int)i_track, tracks[i_track]->i_number );
2296             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2297         }
2298         else if( !strcmp( tracks[i_track]->psz_codec, "A_WAVPACK4" ) )
2299         {
2300             /* FIXME: support this codec */
2301             msg_Err( &sys.demuxer, "Wavpack not supported yet[%d, n=%d]", (int)i_track, tracks[i_track]->i_number );
2302             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2303         }
2304         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/UTF8" ) )
2305         {
2306             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 'u', 'b', 't' );
2307             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2308         }
2309         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/SSA" ) ||
2310                  !strcmp( tracks[i_track]->psz_codec, "S_TEXT/ASS" ) ||
2311                  !strcmp( tracks[i_track]->psz_codec, "S_SSA" ) ||
2312                  !strcmp( tracks[i_track]->psz_codec, "S_ASS" ))
2313         {
2314             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 's', 'a', ' ' );
2315             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2316         }
2317         else if( !strcmp( tracks[i_track]->psz_codec, "S_VOBSUB" ) )
2318         {
2319             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's','p','u',' ' );
2320             if( tracks[i_track]->i_extra_data )
2321             {
2322                 char *p_start;
2323                 char *p_buf = (char *)malloc( tracks[i_track]->i_extra_data + 1);
2324                 memcpy( p_buf, tracks[i_track]->p_extra_data , tracks[i_track]->i_extra_data );
2325                 p_buf[tracks[i_track]->i_extra_data] = '\0';
2326
2327                 p_start = strstr( p_buf, "size:" );
2328                 if( sscanf( p_start, "size: %dx%d",
2329                         &tracks[i_track]->fmt.subs.spu.i_original_frame_width, &tracks[i_track]->fmt.subs.spu.i_original_frame_height ) == 2 )
2330                 {
2331                     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 );
2332                 }
2333                 else
2334                 {
2335                     msg_Warn( &sys.demuxer, "reading original frame size for vobsub failed" );
2336                 }
2337                 free( p_buf );
2338             }
2339         }
2340         else if( !strcmp( tracks[i_track]->psz_codec, "B_VOBBTN" ) )
2341         {
2342             tracks[i_track]->fmt.i_cat = NAV_ES;
2343             continue;
2344         }
2345         else
2346         {
2347             msg_Err( &sys.demuxer, "unknow codec id=`%s'", tracks[i_track]->psz_codec );
2348             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2349         }
2350         if( tracks[i_track]->b_default )
2351         {
2352             tracks[i_track]->fmt.i_priority = 1000;
2353         }
2354
2355         tracks[i_track]->p_es = es_out_Add( sys.demuxer.out, &tracks[i_track]->fmt );
2356
2357         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_start_time );
2358     }
2359
2360     sys.i_start_pts = i_start_time;
2361     // reset the stream reading to the first cluster of the segment used
2362     es.I_O().setFilePointer( i_start_pos );
2363
2364     delete ep;
2365     ep = new EbmlParser( &es, segment, &sys.demuxer );
2366
2367     return true;
2368 }
2369
2370 void demux_sys_t::StartUiThread()
2371 {
2372     if ( !b_ui_hooked )
2373     {
2374         msg_Dbg( &demuxer, "Starting the UI Hook" );
2375         b_ui_hooked = true;
2376         /* FIXME hack hack hack hack FIXME */
2377         /* Get p_input and create variable */
2378         p_input = (input_thread_t *) vlc_object_find( &demuxer, VLC_OBJECT_INPUT, FIND_PARENT );
2379         var_Create( p_input, "x-start", VLC_VAR_INTEGER );
2380         var_Create( p_input, "y-start", VLC_VAR_INTEGER );
2381         var_Create( p_input, "x-end", VLC_VAR_INTEGER );
2382         var_Create( p_input, "y-end", VLC_VAR_INTEGER );
2383         var_Create( p_input, "color", VLC_VAR_ADDRESS );
2384         var_Create( p_input, "menu-palette", VLC_VAR_ADDRESS );
2385         var_Create( p_input, "highlight", VLC_VAR_BOOL );
2386         var_Create( p_input, "highlight-mutex", VLC_VAR_MUTEX );
2387
2388         /* Now create our event thread catcher */
2389         p_ev = (event_thread_t *) vlc_object_create( &demuxer, sizeof( event_thread_t ) );
2390         p_ev->p_demux = &demuxer;
2391         p_ev->b_die = VLC_FALSE;
2392         vlc_mutex_init( p_ev, &p_ev->lock );
2393         vlc_thread_create( p_ev, "mkv event thread handler", EventThread,
2394                         VLC_THREAD_PRIORITY_LOW, VLC_FALSE );
2395     }
2396 }
2397
2398 void demux_sys_t::StopUiThread()
2399 {
2400     if ( b_ui_hooked )
2401     {
2402         p_ev->b_die = VLC_TRUE;
2403
2404         vlc_thread_join( p_ev );
2405         vlc_object_destroy( p_ev );
2406
2407         p_ev = NULL;
2408
2409         var_Destroy( p_input, "highlight-mutex" );
2410         var_Destroy( p_input, "highlight" );
2411         var_Destroy( p_input, "x-start" );
2412         var_Destroy( p_input, "x-end" );
2413         var_Destroy( p_input, "y-start" );
2414         var_Destroy( p_input, "y-end" );
2415         var_Destroy( p_input, "color" );
2416         var_Destroy( p_input, "menu-palette" );
2417
2418         vlc_object_release( p_input );
2419
2420         msg_Dbg( &demuxer, "Stopping the UI Hook" );
2421     }
2422     b_ui_hooked = false;
2423 }
2424
2425 int demux_sys_t::EventMouse( vlc_object_t *p_this, char const *psz_var,
2426                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
2427 {
2428     event_thread_t *p_ev = (event_thread_t *) p_data;
2429     vlc_mutex_lock( &p_ev->lock );
2430     if( psz_var[6] == 'c' )
2431     {
2432         p_ev->b_clicked = VLC_TRUE;
2433         msg_Dbg( p_this, "Event Mouse: clicked");
2434     }
2435     else if( psz_var[6] == 'm' )
2436         p_ev->b_moved = VLC_TRUE;
2437     vlc_mutex_unlock( &p_ev->lock );
2438
2439     return VLC_SUCCESS;
2440 }
2441
2442 int demux_sys_t::EventKey( vlc_object_t *p_this, char const *psz_var,
2443                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
2444 {
2445     event_thread_t *p_ev = (event_thread_t *) p_data;
2446     vlc_mutex_lock( &p_ev->lock );
2447     p_ev->b_key = VLC_TRUE;
2448     vlc_mutex_unlock( &p_ev->lock );
2449     msg_Dbg( p_this, "Event Key");
2450
2451     return VLC_SUCCESS;
2452 }
2453
2454 int demux_sys_t::EventThread( vlc_object_t *p_this )
2455 {
2456     event_thread_t *p_ev = (event_thread_t*)p_this;
2457     demux_sys_t    *p_sys = p_ev->p_demux->p_sys;
2458     vlc_object_t   *p_vout = NULL;
2459
2460     p_ev->b_moved   = VLC_FALSE;
2461     p_ev->b_clicked = VLC_FALSE;
2462     p_ev->b_key     = VLC_FALSE;
2463
2464     /* catch all key event */
2465     var_AddCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2466
2467     /* main loop */
2468     while( !p_ev->b_die )
2469     {
2470         if ( !p_sys->b_pci_packet_set )
2471         {
2472             /* Wait 100ms */
2473             msleep( 100000 );
2474             continue;
2475         }
2476
2477         vlc_bool_t b_activated = VLC_FALSE;
2478
2479         /* KEY part */
2480         if( p_ev->b_key )
2481         {
2482             vlc_value_t valk;
2483             struct vlc_t::hotkey *p_hotkeys = p_ev->p_vlc->p_hotkeys;
2484             int i, i_action = -1;
2485
2486             msg_Dbg( p_ev->p_demux, "Handle Key Event");
2487
2488             vlc_mutex_lock( &p_ev->lock );
2489
2490             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2491
2492             var_Get( p_ev->p_vlc, "key-pressed", &valk );
2493             for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
2494             {
2495                 if( p_hotkeys[i].i_key == valk.i_int )
2496                 {
2497                     i_action = p_hotkeys[i].i_action;
2498                 }
2499             }
2500
2501             uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2502
2503             switch( i_action )
2504             {
2505             case ACTIONID_NAV_LEFT:
2506                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2507                 {
2508                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2509                     if ( p_button_ptr->left > 0 && p_button_ptr->left <= pci->hli.hl_gi.btn_ns )
2510                     {
2511                         i_curr_button = p_button_ptr->left;
2512                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2513                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2514                         if ( button_ptr.auto_action_mode )
2515                         {
2516                             vlc_mutex_unlock( &p_ev->lock );
2517                             vlc_mutex_lock( &p_sys->lock_demuxer );
2518
2519                             // process the button action
2520                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2521
2522                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2523                             vlc_mutex_lock( &p_ev->lock );
2524                         }
2525                     }
2526                 }
2527                 break;
2528             case ACTIONID_NAV_RIGHT:
2529                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2530                 {
2531                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2532                     if ( p_button_ptr->right > 0 && p_button_ptr->right <= pci->hli.hl_gi.btn_ns )
2533                     {
2534                         i_curr_button = p_button_ptr->right;
2535                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2536                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2537                         if ( button_ptr.auto_action_mode )
2538                         {
2539                             vlc_mutex_unlock( &p_ev->lock );
2540                             vlc_mutex_lock( &p_sys->lock_demuxer );
2541
2542                             // process the button action
2543                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2544
2545                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2546                             vlc_mutex_lock( &p_ev->lock );
2547                         }
2548                     }
2549                 }
2550                 break;
2551             case ACTIONID_NAV_UP:
2552                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2553                 {
2554                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2555                     if ( p_button_ptr->up > 0 && p_button_ptr->up <= pci->hli.hl_gi.btn_ns )
2556                     {
2557                         i_curr_button = p_button_ptr->up;
2558                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2559                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2560                         if ( button_ptr.auto_action_mode )
2561                         {
2562                             vlc_mutex_unlock( &p_ev->lock );
2563                             vlc_mutex_lock( &p_sys->lock_demuxer );
2564
2565                             // process the button action
2566                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2567
2568                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2569                             vlc_mutex_lock( &p_ev->lock );
2570                         }
2571                     }
2572                 }
2573                 break;
2574             case ACTIONID_NAV_DOWN:
2575                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2576                 {
2577                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2578                     if ( p_button_ptr->down > 0 && p_button_ptr->down <= pci->hli.hl_gi.btn_ns )
2579                     {
2580                         i_curr_button = p_button_ptr->down;
2581                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2582                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2583                         if ( button_ptr.auto_action_mode )
2584                         {
2585                             vlc_mutex_unlock( &p_ev->lock );
2586                             vlc_mutex_lock( &p_sys->lock_demuxer );
2587
2588                             // process the button action
2589                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2590
2591                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2592                             vlc_mutex_lock( &p_ev->lock );
2593                         }
2594                     }
2595                 }
2596                 break;
2597             case ACTIONID_NAV_ACTIVATE:
2598                 b_activated = VLC_TRUE;
2599
2600                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2601                 {
2602                     btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2603
2604                     vlc_mutex_unlock( &p_ev->lock );
2605                     vlc_mutex_lock( &p_sys->lock_demuxer );
2606
2607                     // process the button action
2608                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2609
2610                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2611                     vlc_mutex_lock( &p_ev->lock );
2612                 }
2613                 break;
2614             default:
2615                 break;
2616             }
2617             p_ev->b_key = VLC_FALSE;
2618             vlc_mutex_unlock( &p_ev->lock );
2619         }
2620
2621         /* MOUSE part */
2622         if( p_vout && ( p_ev->b_moved || p_ev->b_clicked ) )
2623         {
2624             vlc_value_t valx, valy;
2625
2626             vlc_mutex_lock( &p_ev->lock );
2627             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2628             var_Get( p_vout, "mouse-x", &valx );
2629             var_Get( p_vout, "mouse-y", &valy );
2630
2631             if( p_ev->b_clicked )
2632             {
2633                 int32_t button;
2634                 int32_t best,dist,d;
2635                 int32_t mx,my,dx,dy;
2636
2637                 msg_Dbg( p_ev->p_demux, "Handle Mouse Event: Mouse clicked x(%d)*y(%d)", (unsigned)valx.i_int, (unsigned)valy.i_int);
2638
2639                 b_activated = VLC_TRUE;
2640                 // get current button
2641                 best = 0;
2642                 dist = 0x08000000; /* >> than  (720*720)+(567*567); */
2643                 for(button = 1; button <= pci->hli.hl_gi.btn_ns; button++)
2644                 {
2645                     btni_t *button_ptr = &(pci->hli.btnit[button-1]);
2646
2647                     if(((unsigned)valx.i_int >= button_ptr->x_start)
2648                      && ((unsigned)valx.i_int <= button_ptr->x_end)
2649                      && ((unsigned)valy.i_int >= button_ptr->y_start)
2650                      && ((unsigned)valy.i_int <= button_ptr->y_end))
2651                     {
2652                         mx = (button_ptr->x_start + button_ptr->x_end)/2;
2653                         my = (button_ptr->y_start + button_ptr->y_end)/2;
2654                         dx = mx - valx.i_int;
2655                         dy = my - valy.i_int;
2656                         d = (dx*dx) + (dy*dy);
2657                         /* If the mouse is within the button and the mouse is closer
2658                         * to the center of this button then it is the best choice. */
2659                         if(d < dist) {
2660                             dist = d;
2661                             best = button;
2662                         }
2663                     }
2664                 }
2665
2666                 if ( best != 0)
2667                 {
2668                     btni_t button_ptr = pci->hli.btnit[best-1];
2669                     uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2670
2671                     msg_Dbg( &p_sys->demuxer, "Clicked button %d", best );
2672                     vlc_mutex_unlock( &p_ev->lock );
2673                     vlc_mutex_lock( &p_sys->lock_demuxer );
2674
2675                     // process the button action
2676                     p_sys->dvd_interpretor.SetSPRM( 0x88, best );
2677                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2678
2679                     msg_Dbg( &p_sys->demuxer, "Processed button %d", best );
2680
2681                     // select new button
2682                     if ( best != i_curr_button )
2683                     {
2684                         vlc_value_t val;
2685
2686                         if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
2687                         {
2688                             vlc_mutex_t *p_mutex = (vlc_mutex_t *) val.p_address;
2689                             uint32_t i_palette;
2690
2691                             if(button_ptr.btn_coln != 0) {
2692                                 i_palette = pci->hli.btn_colit.btn_coli[button_ptr.btn_coln-1][1];
2693                             } else {
2694                                 i_palette = 0;
2695                             }
2696
2697                             for( int i = 0; i < 4; i++ )
2698                             {
2699                                 uint32_t i_yuv = 0xFF;//p_sys->clut[(hl.palette>>(16+i*4))&0x0f];
2700                                 uint8_t i_alpha = (i_palette>>(i*4))&0x0f;
2701                                 i_alpha = i_alpha == 0xf ? 0xff : i_alpha << 4;
2702
2703                                 p_sys->palette[i][0] = (i_yuv >> 16) & 0xff;
2704                                 p_sys->palette[i][1] = (i_yuv >> 0) & 0xff;
2705                                 p_sys->palette[i][2] = (i_yuv >> 8) & 0xff;
2706                                 p_sys->palette[i][3] = i_alpha;
2707                             }
2708
2709                             vlc_mutex_lock( p_mutex );
2710                             val.i_int = button_ptr.x_start; var_Set( p_sys->p_input, "x-start", val );
2711                             val.i_int = button_ptr.x_end;   var_Set( p_sys->p_input, "x-end",   val );
2712                             val.i_int = button_ptr.y_start; var_Set( p_sys->p_input, "y-start", val );
2713                             val.i_int = button_ptr.y_end;   var_Set( p_sys->p_input, "y-end",   val );
2714
2715                             val.p_address = (void *)p_sys->palette;
2716                             var_Set( p_sys->p_input, "menu-palette", val );
2717
2718                             val.b_bool = VLC_TRUE; var_Set( p_sys->p_input, "highlight", val );
2719                             vlc_mutex_unlock( p_mutex );
2720                         }
2721                     }
2722                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2723                     vlc_mutex_lock( &p_ev->lock );
2724                 }
2725             }
2726             else if( p_ev->b_moved )
2727             {
2728 //                dvdnav_mouse_select( NULL, pci, valx.i_int, valy.i_int );
2729             }
2730
2731             p_ev->b_moved = VLC_FALSE;
2732             p_ev->b_clicked = VLC_FALSE;
2733             vlc_mutex_unlock( &p_ev->lock );
2734         }
2735
2736         /* VOUT part */
2737         if( p_vout && p_vout->b_die )
2738         {
2739             var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2740             var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2741             vlc_object_release( p_vout );
2742             p_vout = NULL;
2743         }
2744
2745         else if( p_vout == NULL )
2746         {
2747             p_vout = (vlc_object_t*) vlc_object_find( p_sys->p_input, VLC_OBJECT_VOUT,
2748                                       FIND_CHILD );
2749             if( p_vout)
2750             {
2751                 var_AddCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2752                 var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2753             }
2754         }
2755
2756         /* Wait a bit, 10ms */
2757         msleep( 10000 );
2758     }
2759
2760     /* Release callback */
2761     if( p_vout )
2762     {
2763         var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2764         var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2765         vlc_object_release( p_vout );
2766     }
2767     var_DelCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2768
2769     vlc_mutex_destroy( &p_ev->lock );
2770
2771     return VLC_SUCCESS;
2772 }
2773
2774 void matroska_segment_c::UnSelect( )
2775 {
2776     size_t i_track;
2777
2778     for( i_track = 0; i_track < tracks.size(); i_track++ )
2779     {
2780         if ( tracks[i_track]->p_es != NULL )
2781         {
2782 //            es_format_Clean( &tracks[i_track]->fmt );
2783             es_out_Del( sys.demuxer.out, tracks[i_track]->p_es );
2784             tracks[i_track]->p_es = NULL;
2785         }
2786     }
2787     delete ep;
2788     ep = NULL;
2789 }
2790
2791 void virtual_segment_c::PrepareChapters( )
2792 {
2793     if ( linked_segments.size() == 0 )
2794         return;
2795
2796     // !!! should be called only once !!!
2797     matroska_segment_c *p_segment;
2798     size_t i, j;
2799
2800     // copy editions from the first segment
2801     p_segment = linked_segments[0];
2802     p_editions = &p_segment->stored_editions;
2803
2804     for ( i=1 ; i<linked_segments.size(); i++ )
2805     {
2806         p_segment = linked_segments[i];
2807         // FIXME assume we have the same editions in all segments
2808         for (j=0; j<p_segment->stored_editions.size(); j++)
2809             (*p_editions)[j]->Append( *p_segment->stored_editions[j] );
2810     }
2811 }
2812
2813 std::string chapter_edition_c::GetMainName() const
2814 {
2815     if ( sub_chapters.size() )
2816     {
2817         return sub_chapters[0]->GetCodecName( true );
2818     }
2819     return "";
2820 }
2821
2822 int chapter_item_c::PublishChapters( input_title_t & title, int & i_user_chapters, int i_level )
2823 {
2824     // add support for meta-elements from codec like DVD Titles
2825     if ( !b_display_seekpoint || psz_name == "" )
2826     {
2827         psz_name = GetCodecName();
2828         if ( psz_name != "" )
2829             b_display_seekpoint = true;
2830     }
2831
2832     if (b_display_seekpoint)
2833     {
2834         seekpoint_t *sk = vlc_seekpoint_New();
2835
2836         sk->i_level = i_level;
2837         sk->i_time_offset = i_start_time;
2838         sk->psz_name = strdup( psz_name.c_str() );
2839
2840         // A start time of '0' is ok. A missing ChapterTime element is ok, too, because '0' is its default value.
2841         title.i_seekpoint++;
2842         title.seekpoint = (seekpoint_t**)realloc( title.seekpoint, title.i_seekpoint * sizeof( seekpoint_t* ) );
2843         title.seekpoint[title.i_seekpoint-1] = sk;
2844
2845         if ( b_user_display )
2846             i_user_chapters++;
2847     }
2848
2849     for ( size_t i=0; i<sub_chapters.size() ; i++)
2850     {
2851         sub_chapters[i]->PublishChapters( title, i_user_chapters, i_level+1 );
2852     }
2853
2854     i_seekpoint_num = i_user_chapters;
2855
2856     return i_user_chapters;
2857 }
2858
2859 bool virtual_segment_c::UpdateCurrentToChapter( demux_t & demux )
2860 {
2861     demux_sys_t & sys = *demux.p_sys;
2862     chapter_item_c *psz_curr_chapter;
2863     bool b_has_seeked = false;
2864
2865     /* update current chapter/seekpoint */
2866     if ( p_editions->size() )
2867     {
2868         /* 1st, we need to know in which chapter we are */
2869         psz_curr_chapter = (*p_editions)[i_current_edition]->FindTimecode( sys.i_pts, psz_current_chapter );
2870
2871         /* we have moved to a new chapter */
2872         if (psz_curr_chapter != NULL && psz_current_chapter != psz_curr_chapter)
2873         {
2874             if ( (*p_editions)[i_current_edition]->b_ordered )
2875             {
2876                 // Leave/Enter up to the link point
2877                 b_has_seeked = psz_curr_chapter->EnterAndLeave( psz_current_chapter );
2878                 if ( !b_has_seeked )
2879                 {
2880                     // only physically seek if necessary
2881                     if ( psz_current_chapter == NULL || (psz_current_chapter->i_end_time != psz_curr_chapter->i_start_time) )
2882                         Seek( demux, sys.i_pts, 0, psz_curr_chapter );
2883                 }
2884             }
2885
2886             if ( !b_has_seeked )
2887             {
2888                 psz_current_chapter = psz_curr_chapter;
2889                 if ( psz_curr_chapter->i_seekpoint_num > 0 )
2890                 {
2891                     demux.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
2892                     demux.info.i_title = sys.i_current_title = i_sys_title;
2893                     demux.info.i_seekpoint = psz_curr_chapter->i_seekpoint_num - 1;
2894                 }
2895             }
2896
2897             return true;
2898         }
2899         else if (psz_curr_chapter == NULL)
2900         {
2901             // out of the scope of the data described by chapters, leave the edition
2902             if ( (*p_editions)[i_current_edition]->b_ordered && psz_current_chapter != NULL )
2903             {
2904                 if ( !(*p_editions)[i_current_edition]->EnterAndLeave( psz_current_chapter, false ) )
2905                     psz_current_chapter = NULL;
2906                 else
2907                     return true;
2908             }
2909         }
2910     }
2911     return false;
2912 }
2913
2914 chapter_item_c *virtual_segment_c::BrowseCodecPrivate( unsigned int codec_id,
2915                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
2916                                     const void *p_cookie,
2917                                     size_t i_cookie_size )
2918 {
2919     // FIXME don't assume it is the first edition
2920     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
2921     if ( index != p_editions->end() )
2922     {
2923         chapter_item_c *p_result = (*index)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
2924         if ( p_result != NULL )
2925             return p_result;
2926     }
2927     return NULL;
2928 }
2929
2930 chapter_item_c *virtual_segment_c::FindChapter( int64_t i_find_uid )
2931 {
2932     // FIXME don't assume it is the first edition
2933     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
2934     if ( index != p_editions->end() )
2935     {
2936         chapter_item_c *p_result = (*index)->FindChapter( i_find_uid );
2937         if ( p_result != NULL )
2938             return p_result;
2939     }
2940     return NULL;
2941 }
2942
2943 chapter_item_c *chapter_item_c::BrowseCodecPrivate( unsigned int codec_id,
2944                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
2945                                     const void *p_cookie,
2946                                     size_t i_cookie_size )
2947 {
2948     // this chapter
2949     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2950     while ( index != codecs.end() )
2951     {
2952         if ( match( **index ,p_cookie, i_cookie_size ) )
2953             return this;
2954         index++;
2955     }
2956
2957     // sub-chapters
2958     chapter_item_c *p_result = NULL;
2959     std::vector<chapter_item_c*>::const_iterator index2 = sub_chapters.begin();
2960     while ( index2 != sub_chapters.end() )
2961     {
2962         p_result = (*index2)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
2963         if ( p_result != NULL )
2964             return p_result;
2965         index2++;
2966     }
2967
2968     return p_result;
2969 }
2970
2971 void chapter_item_c::Append( const chapter_item_c & chapter )
2972 {
2973     // we are appending content for the same chapter UID
2974     size_t i;
2975     chapter_item_c *p_chapter;
2976
2977     for ( i=0; i<chapter.sub_chapters.size(); i++ )
2978     {
2979         p_chapter = FindChapter( chapter.sub_chapters[i]->i_uid );
2980         if ( p_chapter != NULL )
2981         {
2982             p_chapter->Append( *chapter.sub_chapters[i] );
2983         }
2984         else
2985         {
2986             sub_chapters.push_back( chapter.sub_chapters[i] );
2987         }
2988     }
2989
2990     i_user_start_time = min( i_user_start_time, chapter.i_user_start_time );
2991     i_user_end_time = max( i_user_end_time, chapter.i_user_end_time );
2992 }
2993
2994 chapter_item_c * chapter_item_c::FindChapter( int64_t i_find_uid )
2995 {
2996     size_t i;
2997     chapter_item_c *p_result = NULL;
2998
2999     if ( i_uid == i_find_uid )
3000         return this;
3001
3002     for ( i=0; i<sub_chapters.size(); i++)
3003     {
3004         p_result = sub_chapters[i]->FindChapter( i_find_uid );
3005         if ( p_result != NULL )
3006             break;
3007     }
3008     return p_result;
3009 }
3010
3011 std::string chapter_item_c::GetCodecName( bool f_for_title ) const
3012 {
3013     std::string result;
3014
3015     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
3016     while ( index != codecs.end() )
3017     {
3018         result = (*index)->GetCodecName( f_for_title );
3019         if ( result != "" )
3020             break;
3021         index++;
3022     }
3023
3024     return result;
3025 }
3026
3027 std::string dvd_chapter_codec_c::GetCodecName( bool f_for_title ) const
3028 {
3029     std::string result;
3030     if ( p_private_data->GetSize() >= 3)
3031     {
3032         const binary* p_data = p_private_data->GetBuffer();
3033 /*        if ( p_data[0] == MATROSKA_DVD_LEVEL_TT )
3034         {
3035             uint16_t i_title = (p_data[1] << 8) + p_data[2];
3036             char psz_str[11];
3037             sprintf( psz_str, " %d  ---", i_title );
3038             result = N_("---  DVD Title");
3039             result += psz_str;
3040         }
3041         else */ if ( p_data[0] == MATROSKA_DVD_LEVEL_LU )
3042         {
3043             char psz_str[11];
3044             sprintf( psz_str, " (%c%c)  ---", p_data[1], p_data[2] );
3045             result = N_("---  DVD Menu");
3046             result += psz_str;
3047         }
3048         else if ( p_data[0] == MATROSKA_DVD_LEVEL_SS && f_for_title )
3049         {
3050             if ( p_data[1] == 0x00 )
3051                 result = N_("First Played");
3052             else if ( p_data[1] == 0xC0 )
3053                 result = N_("Video Manager");
3054             else if ( p_data[1] == 0x80 )
3055             {
3056                 uint16_t i_title = (p_data[2] << 8) + p_data[3];
3057                 char psz_str[20];
3058                 sprintf( psz_str, " %d -----", i_title );
3059                 result = N_("----- Title");
3060                 result += psz_str;
3061             }
3062         }
3063     }
3064
3065     return result;
3066 }
3067
3068 int16 chapter_item_c::GetTitleNumber( ) const
3069 {
3070     int result = -1;
3071
3072     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
3073     while ( index != codecs.end() )
3074     {
3075         result = (*index)->GetTitleNumber( );
3076         if ( result >= 0 )
3077             break;
3078         index++;
3079     }
3080
3081     return result;
3082 }
3083
3084 int16 dvd_chapter_codec_c::GetTitleNumber()
3085 {
3086     if ( p_private_data->GetSize() >= 3)
3087     {
3088         const binary* p_data = p_private_data->GetBuffer();
3089         if ( p_data[0] == MATROSKA_DVD_LEVEL_SS )
3090         {
3091             return int16( (p_data[2] << 8) + p_data[3] );
3092         }
3093     }
3094     return -1;
3095 }
3096
3097 static void Seek( demux_t *p_demux, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter )
3098 {
3099     demux_sys_t        *p_sys = p_demux->p_sys;
3100     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3101     matroska_segment_c *p_segment = p_vsegment->Segment();
3102     mtime_t            i_time_offset = 0;
3103
3104     int         i_index;
3105
3106     msg_Dbg( p_demux, "seek request to "I64Fd" (%f%%)", i_date, f_percent );
3107     if( i_date < 0 && f_percent < 0 )
3108     {
3109         msg_Warn( p_demux, "cannot seek nowhere !" );
3110         return;
3111     }
3112     if( f_percent > 1.0 )
3113     {
3114         msg_Warn( p_demux, "cannot seek so far !" );
3115         return;
3116     }
3117
3118     /* seek without index or without date */
3119     if( f_percent >= 0 && (config_GetInt( p_demux, "mkv-seek-percent" ) || !p_segment->b_cues || i_date < 0 ))
3120     {
3121         if (p_sys->f_duration >= 0)
3122         {
3123             i_date = int64_t( f_percent * p_sys->f_duration * 1000.0 );
3124         }
3125         else
3126         {
3127             int64_t i_pos = int64_t( f_percent * stream_Size( p_demux->s ) );
3128
3129             msg_Dbg( p_demux, "inacurate way of seeking" );
3130             for( i_index = 0; i_index < p_segment->i_index; i_index++ )
3131             {
3132                 if( p_segment->p_indexes[i_index].i_position >= i_pos)
3133                 {
3134                     break;
3135                 }
3136             }
3137             if( i_index == p_segment->i_index )
3138             {
3139                 i_index--;
3140             }
3141
3142             i_date = p_segment->p_indexes[i_index].i_time;
3143
3144 #if 0
3145             if( p_segment->p_indexes[i_index].i_position < i_pos )
3146             {
3147                 EbmlElement *el;
3148
3149                 msg_Warn( p_demux, "searching for cluster, could take some time" );
3150
3151                 /* search a cluster */
3152                 while( ( el = p_sys->ep->Get() ) != NULL )
3153                 {
3154                     if( MKV_IS_ID( el, KaxCluster ) )
3155                     {
3156                         KaxCluster *cluster = (KaxCluster*)el;
3157
3158                         /* add it to the index */
3159                         p_segment->IndexAppendCluster( cluster );
3160
3161                         if( (int64_t)cluster->GetElementPosition() >= i_pos )
3162                         {
3163                             p_sys->cluster = cluster;
3164                             p_sys->ep->Down();
3165                             break;
3166                         }
3167                     }
3168                 }
3169             }
3170 #endif
3171         }
3172     }
3173
3174     p_vsegment->Seek( *p_demux, i_date, i_time_offset, psz_chapter );
3175 }
3176
3177 /*****************************************************************************
3178  * Demux: reads and demuxes data packets
3179  *****************************************************************************
3180  * Returns -1 in case of error, 0 in case of EOF, 1 otherwise
3181  *****************************************************************************/
3182 static int Demux( demux_t *p_demux)
3183 {
3184     demux_sys_t        *p_sys = p_demux->p_sys;
3185
3186     vlc_mutex_lock( &p_sys->lock_demuxer );
3187
3188     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3189     matroska_segment_c *p_segment = p_vsegment->Segment();
3190     if ( p_segment == NULL ) return 0;
3191     int                i_block_count = 0;
3192     int                i_return = 0;
3193
3194     for( ;; )
3195     {
3196         if ( p_sys->demuxer.b_die )
3197             break;
3198
3199         if( p_sys->i_pts >= p_sys->i_start_pts  )
3200             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3201             {
3202                 i_return = 1;
3203                 break;
3204             }
3205
3206         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3207         {
3208             /* nothing left to read in this ordered edition */
3209             if ( !p_vsegment->SelectNext() )
3210                 break;
3211             p_segment->UnSelect( );
3212
3213             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3214
3215             /* switch to the next segment */
3216             p_segment = p_vsegment->Segment();
3217             if ( !p_segment->Select( 0 ) )
3218             {
3219                 msg_Err( p_demux, "Failed to select new segment" );
3220                 break;
3221             }
3222             continue;
3223         }
3224
3225         KaxBlock *block;
3226         int64_t i_block_duration = 0;
3227         int64_t i_block_ref1;
3228         int64_t i_block_ref2;
3229
3230         if( p_segment->BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
3231         {
3232             if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered )
3233             {
3234                 const chapter_item_c *p_chap = p_vsegment->CurrentChapter();
3235                 // check if there are more chapters to read
3236                 if ( p_chap != NULL )
3237                 {
3238                     /* TODO handle successive chapters with the same user_start_time/user_end_time
3239                     if ( p_chap->i_user_start_time == p_chap->i_user_start_time )
3240                         p_vsegment->SelectNext();
3241                     */
3242                     p_sys->i_pts = p_chap->i_user_end_time;
3243                     p_sys->i_pts++; // trick to avoid staying on segments with no duration and no content
3244
3245                     i_return = 1;
3246                 }
3247
3248                 break;
3249             }
3250             else
3251             {
3252                 msg_Warn( p_demux, "cannot get block EOF?" );
3253                 p_segment->UnSelect( );
3254
3255                 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3256
3257                 /* switch to the next segment */
3258                 if ( !p_vsegment->SelectNext() )
3259                     // no more segments in this stream
3260                     break;
3261                 p_segment = p_vsegment->Segment();
3262                 if ( !p_segment->Select( 0 ) )
3263                 {
3264                     msg_Err( p_demux, "Failed to select new segment" );
3265                     break;
3266                 }
3267
3268                 continue;
3269             }
3270         }
3271
3272         p_sys->i_pts = (p_sys->i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
3273
3274         if( p_sys->i_pts >= p_sys->i_start_pts  )
3275         {
3276             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pts );
3277
3278             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3279             {
3280                 i_return = 1;
3281                 delete block;
3282                 break;
3283             }
3284         }
3285
3286         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3287         {
3288             /* nothing left to read in this ordered edition */
3289             if ( !p_vsegment->SelectNext() )
3290             {
3291                 delete block;
3292                 break;
3293             }
3294             p_segment->UnSelect( );
3295
3296             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3297
3298             /* switch to the next segment */
3299             p_segment = p_vsegment->Segment();
3300             if ( !p_segment->Select( 0 ) )
3301             {
3302                 msg_Err( p_demux, "Failed to select new segment" );
3303                 delete block;
3304                 break;
3305             }
3306             delete block;
3307             continue;
3308         }
3309
3310         BlockDecode( p_demux, block, p_sys->i_pts, i_block_duration, i_block_ref1 >= 0 || i_block_ref2 > 0 );
3311
3312         delete block;
3313         i_block_count++;
3314
3315         // TODO optimize when there is need to leave or when seeking has been called
3316         if( i_block_count > 5 )
3317         {
3318             i_return = 1;
3319             break;
3320         }
3321     }
3322
3323     vlc_mutex_unlock( &p_sys->lock_demuxer );
3324
3325     return i_return;
3326 }
3327
3328
3329
3330 /*****************************************************************************
3331  * Stream managment
3332  *****************************************************************************/
3333 vlc_stream_io_callback::vlc_stream_io_callback( stream_t *s_, vlc_bool_t b_owner_ )
3334 {
3335     s = s_;
3336     b_owner = b_owner_;
3337     mb_eof = VLC_FALSE;
3338 }
3339
3340 uint32 vlc_stream_io_callback::read( void *p_buffer, size_t i_size )
3341 {
3342     if( i_size <= 0 || mb_eof )
3343     {
3344         return 0;
3345     }
3346
3347     return stream_Read( s, p_buffer, i_size );
3348 }
3349 void vlc_stream_io_callback::setFilePointer(int64_t i_offset, seek_mode mode )
3350 {
3351     int64_t i_pos;
3352
3353     switch( mode )
3354     {
3355         case seek_beginning:
3356             i_pos = i_offset;
3357             break;
3358         case seek_end:
3359             i_pos = stream_Size( s ) - i_offset;
3360             break;
3361         default:
3362             i_pos= stream_Tell( s ) + i_offset;
3363             break;
3364     }
3365
3366     if( i_pos < 0 || i_pos >= stream_Size( s ) )
3367     {
3368         mb_eof = VLC_TRUE;
3369         return;
3370     }
3371
3372     mb_eof = VLC_FALSE;
3373     if( stream_Seek( s, i_pos ) )
3374     {
3375         mb_eof = VLC_TRUE;
3376     }
3377     return;
3378 }
3379 size_t vlc_stream_io_callback::write( const void *p_buffer, size_t i_size )
3380 {
3381     return 0;
3382 }
3383 uint64 vlc_stream_io_callback::getFilePointer( void )
3384 {
3385     if ( s == NULL )
3386         return 0;
3387     return stream_Tell( s );
3388 }
3389 void vlc_stream_io_callback::close( void )
3390 {
3391     return;
3392 }
3393
3394
3395 /*****************************************************************************
3396  * Ebml Stream parser
3397  *****************************************************************************/
3398 EbmlParser::EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux )
3399 {
3400     int i;
3401
3402     m_es = es;
3403     m_got = NULL;
3404     m_el[0] = el_start;
3405     mi_remain_size[0] = el_start->GetSize();
3406
3407     for( i = 1; i < 6; i++ )
3408     {
3409         m_el[i] = NULL;
3410     }
3411     mi_level = 1;
3412     mi_user_level = 1;
3413     mb_keep = VLC_FALSE;
3414     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3415 }
3416
3417 EbmlParser::~EbmlParser( void )
3418 {
3419     int i;
3420
3421     for( i = 1; i < mi_level; i++ )
3422     {
3423         if( !mb_keep )
3424         {
3425             delete m_el[i];
3426         }
3427         mb_keep = VLC_FALSE;
3428     }
3429 }
3430
3431 EbmlElement* EbmlParser::UnGet( uint64 i_block_pos, uint64 i_cluster_pos )
3432 {
3433     if ( mi_user_level > mi_level )
3434     {
3435         while ( mi_user_level != mi_level )
3436         {
3437             delete m_el[mi_user_level];
3438             m_el[mi_user_level] = NULL;
3439             mi_user_level--;
3440         }
3441     }
3442     m_got = NULL;
3443     mb_keep = VLC_FALSE;
3444     if ( m_el[1]->GetElementPosition() == i_cluster_pos )
3445     {
3446         m_es->I_O().setFilePointer( i_block_pos, seek_beginning );
3447         return (EbmlMaster*) m_el[1];
3448     }
3449     else
3450     {
3451         // seek to the previous Cluster
3452         m_es->I_O().setFilePointer( i_cluster_pos, seek_beginning );
3453         mi_level--;
3454         mi_user_level--;
3455         delete m_el[mi_level];
3456         m_el[mi_level] = NULL;
3457         return NULL;
3458     }
3459 }
3460
3461 void EbmlParser::Up( void )
3462 {
3463     if( mi_user_level == mi_level )
3464     {
3465         fprintf( stderr," arrrrrrrrrrrrrg Up cannot escape itself\n" );
3466     }
3467
3468     mi_user_level--;
3469 }
3470
3471 void EbmlParser::Down( void )
3472 {
3473     mi_user_level++;
3474     mi_level++;
3475 }
3476
3477 void EbmlParser::Keep( void )
3478 {
3479     mb_keep = VLC_TRUE;
3480 }
3481
3482 int EbmlParser::GetLevel( void )
3483 {
3484     return mi_user_level;
3485 }
3486
3487 void EbmlParser::Reset( demux_t *p_demux )
3488 {
3489     while ( mi_level > 0)
3490     {
3491         delete m_el[mi_level];
3492         m_el[mi_level] = NULL;
3493         mi_level--;
3494     }
3495     mi_user_level = mi_level = 1;
3496 #if LIBEBML_VERSION >= 0x000704
3497     // a little faster and cleaner
3498     m_es->I_O().setFilePointer( static_cast<KaxSegment*>(m_el[0])->GetGlobalPosition(0) );
3499 #else
3500     m_es->I_O().setFilePointer( m_el[0]->GetElementPosition() + m_el[0]->ElementSize(true) - m_el[0]->GetSize() );
3501 #endif
3502     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3503 }
3504
3505 EbmlElement *EbmlParser::Get( void )
3506 {
3507     int i_ulev = 0;
3508
3509     if( mi_user_level != mi_level )
3510     {
3511         return NULL;
3512     }
3513     if( m_got )
3514     {
3515         EbmlElement *ret = m_got;
3516         m_got = NULL;
3517
3518         return ret;
3519     }
3520
3521     if( m_el[mi_level] )
3522     {
3523         m_el[mi_level]->SkipData( *m_es, m_el[mi_level]->Generic().Context );
3524         if( !mb_keep )
3525         {
3526             delete m_el[mi_level];
3527         }
3528         mb_keep = VLC_FALSE;
3529     }
3530
3531     m_el[mi_level] = m_es->FindNextElement( m_el[mi_level - 1]->Generic().Context, i_ulev, 0xFFFFFFFFL, mb_dummy != 0, 1 );
3532 //    mi_remain_size[mi_level] = m_el[mi_level]->GetSize();
3533     if( i_ulev > 0 )
3534     {
3535         while( i_ulev > 0 )
3536         {
3537             if( mi_level == 1 )
3538             {
3539                 mi_level = 0;
3540                 return NULL;
3541             }
3542
3543             delete m_el[mi_level - 1];
3544             m_got = m_el[mi_level -1] = m_el[mi_level];
3545             m_el[mi_level] = NULL;
3546
3547             mi_level--;
3548             i_ulev--;
3549         }
3550         return NULL;
3551     }
3552     else if( m_el[mi_level] == NULL )
3553     {
3554         fprintf( stderr," m_el[mi_level] == NULL\n" );
3555     }
3556
3557     return m_el[mi_level];
3558 }
3559
3560
3561 /*****************************************************************************
3562  * Tools
3563  *  * LoadCues : load the cues element and update index
3564  *
3565  *  * LoadTags : load ... the tags element
3566  *
3567  *  * InformationCreate : create all information, load tags if present
3568  *
3569  *****************************************************************************/
3570 void matroska_segment_c::LoadCues( )
3571 {
3572     int64_t     i_sav_position = es.I_O().getFilePointer();
3573     EbmlParser  *ep;
3574     EbmlElement *el, *cues;
3575
3576     /* *** Load the cue if found *** */
3577     if( i_cues_position < 0 )
3578     {
3579         msg_Warn( &sys.demuxer, "no cues/empty cues found->seek won't be precise" );
3580
3581 //        IndexAppendCluster( cluster );
3582     }
3583
3584     vlc_bool_t b_seekable;
3585
3586     stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
3587     if( !b_seekable )
3588         return;
3589
3590     msg_Dbg( &sys.demuxer, "loading cues" );
3591     es.I_O().setFilePointer( i_cues_position, seek_beginning );
3592     cues = es.FindNextID( KaxCues::ClassInfos, 0xFFFFFFFFL);
3593
3594     if( cues == NULL )
3595     {
3596         msg_Err( &sys.demuxer, "cannot load cues (broken seekhead or file)" );
3597         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3598         return;
3599     }
3600
3601     ep = new EbmlParser( &es, cues, &sys.demuxer );
3602     while( ( el = ep->Get() ) != NULL )
3603     {
3604         if( MKV_IS_ID( el, KaxCuePoint ) )
3605         {
3606 #define idx p_indexes[i_index]
3607
3608             idx.i_track       = -1;
3609             idx.i_block_number= -1;
3610             idx.i_position    = -1;
3611             idx.i_time        = 0;
3612             idx.b_key         = VLC_TRUE;
3613
3614             ep->Down();
3615             while( ( el = ep->Get() ) != NULL )
3616             {
3617                 if( MKV_IS_ID( el, KaxCueTime ) )
3618                 {
3619                     KaxCueTime &ctime = *(KaxCueTime*)el;
3620
3621                     ctime.ReadData( es.I_O() );
3622
3623                     idx.i_time = uint64( ctime ) * i_timescale / (mtime_t)1000;
3624                 }
3625                 else if( MKV_IS_ID( el, KaxCueTrackPositions ) )
3626                 {
3627                     ep->Down();
3628                     while( ( el = ep->Get() ) != NULL )
3629                     {
3630                         if( MKV_IS_ID( el, KaxCueTrack ) )
3631                         {
3632                             KaxCueTrack &ctrack = *(KaxCueTrack*)el;
3633
3634                             ctrack.ReadData( es.I_O() );
3635                             idx.i_track = uint16( ctrack );
3636                         }
3637                         else if( MKV_IS_ID( el, KaxCueClusterPosition ) )
3638                         {
3639                             KaxCueClusterPosition &ccpos = *(KaxCueClusterPosition*)el;
3640
3641                             ccpos.ReadData( es.I_O() );
3642                             idx.i_position = segment->GetGlobalPosition( uint64( ccpos ) );
3643                         }
3644                         else if( MKV_IS_ID( el, KaxCueBlockNumber ) )
3645                         {
3646                             KaxCueBlockNumber &cbnum = *(KaxCueBlockNumber*)el;
3647
3648                             cbnum.ReadData( es.I_O() );
3649                             idx.i_block_number = uint32( cbnum );
3650                         }
3651                         else
3652                         {
3653                             msg_Dbg( &sys.demuxer, "         * Unknown (%s)", typeid(*el).name() );
3654                         }
3655                     }
3656                     ep->Up();
3657                 }
3658                 else
3659                 {
3660                     msg_Dbg( &sys.demuxer, "     * Unknown (%s)", typeid(*el).name() );
3661                 }
3662             }
3663             ep->Up();
3664
3665 #if 0
3666             msg_Dbg( &sys.demuxer, " * added time="I64Fd" pos="I64Fd
3667                      " track=%d bnum=%d", idx.i_time, idx.i_position,
3668                      idx.i_track, idx.i_block_number );
3669 #endif
3670
3671             i_index++;
3672             if( i_index >= i_index_max )
3673             {
3674                 i_index_max += 1024;
3675                 p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
3676             }
3677 #undef idx
3678         }
3679         else
3680         {
3681             msg_Dbg( &sys.demuxer, " * Unknown (%s)", typeid(*el).name() );
3682         }
3683     }
3684     delete ep;
3685     delete cues;
3686
3687     b_cues = VLC_TRUE;
3688
3689     msg_Dbg( &sys.demuxer, "loading cues done." );
3690     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3691 }
3692
3693 void matroska_segment_c::LoadTags( )
3694 {
3695     int64_t     i_sav_position = es.I_O().getFilePointer();
3696     EbmlParser  *ep;
3697     EbmlElement *el, *tags;
3698
3699     msg_Dbg( &sys.demuxer, "loading tags" );
3700     es.I_O().setFilePointer( i_tags_position, seek_beginning );
3701     tags = es.FindNextID( KaxTags::ClassInfos, 0xFFFFFFFFL);
3702
3703     if( tags == NULL )
3704     {
3705         msg_Err( &sys.demuxer, "cannot load tags (broken seekhead or file)" );
3706         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3707         return;
3708     }
3709
3710     msg_Dbg( &sys.demuxer, "Tags" );
3711     ep = new EbmlParser( &es, tags, &sys.demuxer );
3712     while( ( el = ep->Get() ) != NULL )
3713     {
3714         if( MKV_IS_ID( el, KaxTag ) )
3715         {
3716             msg_Dbg( &sys.demuxer, "+ Tag" );
3717             ep->Down();
3718             while( ( el = ep->Get() ) != NULL )
3719             {
3720                 if( MKV_IS_ID( el, KaxTagTargets ) )
3721                 {
3722                     msg_Dbg( &sys.demuxer, "|   + Targets" );
3723                     ep->Down();
3724                     while( ( el = ep->Get() ) != NULL )
3725                     {
3726                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3727                     }
3728                     ep->Up();
3729                 }
3730                 else if( MKV_IS_ID( el, KaxTagGeneral ) )
3731                 {
3732                     msg_Dbg( &sys.demuxer, "|   + General" );
3733                     ep->Down();
3734                     while( ( el = ep->Get() ) != NULL )
3735                     {
3736                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3737                     }
3738                     ep->Up();
3739                 }
3740                 else if( MKV_IS_ID( el, KaxTagGenres ) )
3741                 {
3742                     msg_Dbg( &sys.demuxer, "|   + Genres" );
3743                     ep->Down();
3744                     while( ( el = ep->Get() ) != NULL )
3745                     {
3746                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3747                     }
3748                     ep->Up();
3749                 }
3750                 else if( MKV_IS_ID( el, KaxTagAudioSpecific ) )
3751                 {
3752                     msg_Dbg( &sys.demuxer, "|   + Audio Specific" );
3753                     ep->Down();
3754                     while( ( el = ep->Get() ) != NULL )
3755                     {
3756                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3757                     }
3758                     ep->Up();
3759                 }
3760                 else if( MKV_IS_ID( el, KaxTagImageSpecific ) )
3761                 {
3762                     msg_Dbg( &sys.demuxer, "|   + Images Specific" );
3763                     ep->Down();
3764                     while( ( el = ep->Get() ) != NULL )
3765                     {
3766                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3767                     }
3768                     ep->Up();
3769                 }
3770                 else if( MKV_IS_ID( el, KaxTagMultiComment ) )
3771                 {
3772                     msg_Dbg( &sys.demuxer, "|   + Multi Comment" );
3773                 }
3774                 else if( MKV_IS_ID( el, KaxTagMultiCommercial ) )
3775                 {
3776                     msg_Dbg( &sys.demuxer, "|   + Multi Commercial" );
3777                 }
3778                 else if( MKV_IS_ID( el, KaxTagMultiDate ) )
3779                 {
3780                     msg_Dbg( &sys.demuxer, "|   + Multi Date" );
3781                 }
3782                 else if( MKV_IS_ID( el, KaxTagMultiEntity ) )
3783                 {
3784                     msg_Dbg( &sys.demuxer, "|   + Multi Entity" );
3785                 }
3786                 else if( MKV_IS_ID( el, KaxTagMultiIdentifier ) )
3787                 {
3788                     msg_Dbg( &sys.demuxer, "|   + Multi Identifier" );
3789                 }
3790                 else if( MKV_IS_ID( el, KaxTagMultiLegal ) )
3791                 {
3792                     msg_Dbg( &sys.demuxer, "|   + Multi Legal" );
3793                 }
3794                 else if( MKV_IS_ID( el, KaxTagMultiTitle ) )
3795                 {
3796                     msg_Dbg( &sys.demuxer, "|   + Multi Title" );
3797                 }
3798                 else
3799                 {
3800                     msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid( *el ).name() );
3801                 }
3802             }
3803             ep->Up();
3804         }
3805         else
3806         {
3807             msg_Dbg( &sys.demuxer, "+ Unknown (%s)", typeid( *el ).name() );
3808         }
3809     }
3810     delete ep;
3811     delete tags;
3812
3813     msg_Dbg( &sys.demuxer, "loading tags done." );
3814     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3815 }
3816
3817 /*****************************************************************************
3818  * ParseSeekHead:
3819  *****************************************************************************/
3820 void matroska_segment_c::ParseSeekHead( KaxSeekHead *seekhead )
3821 {
3822     EbmlElement *el;
3823     size_t i, j;
3824     int i_upper_level = 0;
3825
3826     msg_Dbg( &sys.demuxer, "|   + Seek head" );
3827
3828     /* Master elements */
3829     seekhead->Read( es, seekhead->Generic().Context, i_upper_level, el, true );
3830
3831     for( i = 0; i < seekhead->ListSize(); i++ )
3832     {
3833         EbmlElement *l = (*seekhead)[i];
3834
3835         if( MKV_IS_ID( l, KaxSeek ) )
3836         {
3837             EbmlMaster *sk = static_cast<EbmlMaster *>(l);
3838             EbmlId id = EbmlVoid::ClassInfos.GlobalId;
3839             int64_t i_pos = -1;
3840
3841             for( j = 0; j < sk->ListSize(); j++ )
3842             {
3843                 EbmlElement *l = (*sk)[j];
3844
3845                 if( MKV_IS_ID( l, KaxSeekID ) )
3846                 {
3847                     KaxSeekID &sid = *(KaxSeekID*)l;
3848                     id = EbmlId( sid.GetBuffer(), sid.GetSize() );
3849                 }
3850                 else if( MKV_IS_ID( l, KaxSeekPosition ) )
3851                 {
3852                     KaxSeekPosition &spos = *(KaxSeekPosition*)l;
3853                     i_pos = uint64( spos );
3854                 }
3855                 else
3856                 {
3857                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
3858                 }
3859             }
3860
3861             if( i_pos >= 0 )
3862             {
3863                 if( id == KaxCues::ClassInfos.GlobalId )
3864                 {
3865                     msg_Dbg( &sys.demuxer, "|   |   |   = cues at "I64Fd, i_pos );
3866                     i_cues_position = segment->GetGlobalPosition( i_pos );
3867                 }
3868                 else if( id == KaxChapters::ClassInfos.GlobalId )
3869                 {
3870                     msg_Dbg( &sys.demuxer, "|   |   |   = chapters at "I64Fd, i_pos );
3871                     i_chapters_position = segment->GetGlobalPosition( i_pos );
3872                 }
3873                 else if( id == KaxTags::ClassInfos.GlobalId )
3874                 {
3875                     msg_Dbg( &sys.demuxer, "|   |   |   = tags at "I64Fd, i_pos );
3876                     i_tags_position = segment->GetGlobalPosition( i_pos );
3877                 }
3878             }
3879         }
3880         else
3881         {
3882             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
3883         }
3884     }
3885 }
3886
3887 /*****************************************************************************
3888  * ParseTrackEntry:
3889  *****************************************************************************/
3890 void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
3891 {
3892     size_t i, j, k, n;
3893
3894     mkv_track_t *tk;
3895
3896     msg_Dbg( &sys.demuxer, "|   |   + Track Entry" );
3897
3898     tk = new mkv_track_t();
3899     tracks.push_back( tk );
3900
3901     /* Init the track */
3902     memset( tk, 0, sizeof( mkv_track_t ) );
3903
3904     es_format_Init( &tk->fmt, UNKNOWN_ES, 0 );
3905     tk->fmt.psz_language = strdup("English");
3906     tk->fmt.psz_description = NULL;
3907
3908     tk->b_default = VLC_TRUE;
3909     tk->b_enabled = VLC_TRUE;
3910     tk->b_silent = VLC_FALSE;
3911     tk->i_number = tracks.size() - 1;
3912     tk->i_extra_data = 0;
3913     tk->p_extra_data = NULL;
3914     tk->psz_codec = NULL;
3915     tk->i_default_duration = 0;
3916     tk->f_timecodescale = 1.0;
3917
3918     tk->b_inited = VLC_FALSE;
3919     tk->i_data_init = 0;
3920     tk->p_data_init = NULL;
3921
3922     tk->psz_codec_name = NULL;
3923     tk->psz_codec_settings = NULL;
3924     tk->psz_codec_info_url = NULL;
3925     tk->psz_codec_download_url = NULL;
3926
3927     tk->i_compression_type = MATROSKA_COMPRESSION_NONE;
3928
3929     for( i = 0; i < m->ListSize(); i++ )
3930     {
3931         EbmlElement *l = (*m)[i];
3932
3933         if( MKV_IS_ID( l, KaxTrackNumber ) )
3934         {
3935             KaxTrackNumber &tnum = *(KaxTrackNumber*)l;
3936
3937             tk->i_number = uint32( tnum );
3938             msg_Dbg( &sys.demuxer, "|   |   |   + Track Number=%u", uint32( tnum ) );
3939         }
3940         else  if( MKV_IS_ID( l, KaxTrackUID ) )
3941         {
3942             KaxTrackUID &tuid = *(KaxTrackUID*)l;
3943
3944             msg_Dbg( &sys.demuxer, "|   |   |   + Track UID=%u",  uint32( tuid ) );
3945         }
3946         else  if( MKV_IS_ID( l, KaxTrackType ) )
3947         {
3948             char *psz_type;
3949             KaxTrackType &ttype = *(KaxTrackType*)l;
3950
3951             switch( uint8(ttype) )
3952             {
3953                 case track_audio:
3954                     psz_type = "audio";
3955                     tk->fmt.i_cat = AUDIO_ES;
3956                     break;
3957                 case track_video:
3958                     psz_type = "video";
3959                     tk->fmt.i_cat = VIDEO_ES;
3960                     break;
3961                 case track_subtitle:
3962                     psz_type = "subtitle";
3963                     tk->fmt.i_cat = SPU_ES;
3964                     break;
3965                 case track_buttons:
3966                     psz_type = "buttons";
3967                     tk->fmt.i_cat = SPU_ES;
3968                     break;
3969                 default:
3970                     psz_type = "unknown";
3971                     tk->fmt.i_cat = UNKNOWN_ES;
3972                     break;
3973             }
3974
3975             msg_Dbg( &sys.demuxer, "|   |   |   + Track Type=%s", psz_type );
3976         }
3977 //        else  if( EbmlId( *l ) == KaxTrackFlagEnabled::ClassInfos.GlobalId )
3978 //        {
3979 //            KaxTrackFlagEnabled &fenb = *(KaxTrackFlagEnabled*)l;
3980
3981 //            tk->b_enabled = uint32( fenb );
3982 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Enabled=%u",
3983 //                     uint32( fenb )  );
3984 //        }
3985         else  if( MKV_IS_ID( l, KaxTrackFlagDefault ) )
3986         {
3987             KaxTrackFlagDefault &fdef = *(KaxTrackFlagDefault*)l;
3988
3989             tk->b_default = uint32( fdef );
3990             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default=%u", uint32( fdef )  );
3991         }
3992         else  if( MKV_IS_ID( l, KaxTrackFlagLacing ) )
3993         {
3994             KaxTrackFlagLacing &lac = *(KaxTrackFlagLacing*)l;
3995
3996             msg_Dbg( &sys.demuxer, "|   |   |   + Track Lacing=%d", uint32( lac ) );
3997         }
3998         else  if( MKV_IS_ID( l, KaxTrackMinCache ) )
3999         {
4000             KaxTrackMinCache &cmin = *(KaxTrackMinCache*)l;
4001
4002             msg_Dbg( &sys.demuxer, "|   |   |   + Track MinCache=%d", uint32( cmin ) );
4003         }
4004         else  if( MKV_IS_ID( l, KaxTrackMaxCache ) )
4005         {
4006             KaxTrackMaxCache &cmax = *(KaxTrackMaxCache*)l;
4007
4008             msg_Dbg( &sys.demuxer, "|   |   |   + Track MaxCache=%d", uint32( cmax ) );
4009         }
4010         else  if( MKV_IS_ID( l, KaxTrackDefaultDuration ) )
4011         {
4012             KaxTrackDefaultDuration &defd = *(KaxTrackDefaultDuration*)l;
4013
4014             tk->i_default_duration = uint64(defd);
4015             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default Duration="I64Fd, uint64(defd) );
4016         }
4017         else  if( MKV_IS_ID( l, KaxTrackTimecodeScale ) )
4018         {
4019             KaxTrackTimecodeScale &ttcs = *(KaxTrackTimecodeScale*)l;
4020
4021             tk->f_timecodescale = float( ttcs );
4022             msg_Dbg( &sys.demuxer, "|   |   |   + Track TimeCodeScale=%f", tk->f_timecodescale );
4023         }
4024         else if( MKV_IS_ID( l, KaxTrackName ) )
4025         {
4026             KaxTrackName &tname = *(KaxTrackName*)l;
4027
4028             tk->fmt.psz_description = ToUTF8( UTFstring( tname ) );
4029             msg_Dbg( &sys.demuxer, "|   |   |   + Track Name=%s", tk->fmt.psz_description );
4030         }
4031         else  if( MKV_IS_ID( l, KaxTrackLanguage ) )
4032         {
4033             KaxTrackLanguage &lang = *(KaxTrackLanguage*)l;
4034
4035             if ( tk->fmt.psz_language != NULL )
4036                 free( tk->fmt.psz_language );
4037             tk->fmt.psz_language = strdup( string( lang ).c_str() );
4038             msg_Dbg( &sys.demuxer,
4039                      "|   |   |   + Track Language=`%s'", tk->fmt.psz_language );
4040         }
4041         else  if( MKV_IS_ID( l, KaxCodecID ) )
4042         {
4043             KaxCodecID &codecid = *(KaxCodecID*)l;
4044
4045             tk->psz_codec = strdup( string( codecid ).c_str() );
4046             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecId=%s", string( codecid ).c_str() );
4047         }
4048         else  if( MKV_IS_ID( l, KaxCodecPrivate ) )
4049         {
4050             KaxCodecPrivate &cpriv = *(KaxCodecPrivate*)l;
4051
4052             tk->i_extra_data = cpriv.GetSize();
4053             if( tk->i_extra_data > 0 )
4054             {
4055                 tk->p_extra_data = (uint8_t*)malloc( tk->i_extra_data );
4056                 memcpy( tk->p_extra_data, cpriv.GetBuffer(), tk->i_extra_data );
4057             }
4058             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecPrivate size="I64Fd, cpriv.GetSize() );
4059         }
4060         else if( MKV_IS_ID( l, KaxCodecName ) )
4061         {
4062             KaxCodecName &cname = *(KaxCodecName*)l;
4063
4064             tk->psz_codec_name = ToUTF8( UTFstring( cname ) );
4065             msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Name=%s", tk->psz_codec_name );
4066         }
4067         else if( MKV_IS_ID( l, KaxContentEncodings ) )
4068         {
4069             EbmlMaster *cencs = static_cast<EbmlMaster*>(l);
4070             MkvTree( sys.demuxer, 3, "Content Encodings" );
4071             for( j = 0; j < cencs->ListSize(); j++ )
4072             {
4073                 EbmlElement *l2 = (*cencs)[j];
4074                 if( MKV_IS_ID( l2, KaxContentEncoding ) )
4075                 {
4076                     MkvTree( sys.demuxer, 4, "Content Encoding" );
4077                     EbmlMaster *cenc = static_cast<EbmlMaster*>(l2);
4078                     for( k = 0; k < cenc->ListSize(); k++ )
4079                     {
4080                         EbmlElement *l3 = (*cenc)[k];
4081                         if( MKV_IS_ID( l3, KaxContentEncodingOrder ) )
4082                         {
4083                             KaxContentEncodingOrder &encord = *(KaxContentEncodingOrder*)l3;
4084                             MkvTree( sys.demuxer, 5, "Order: %i", uint32( encord ) );
4085                         }
4086                         else if( MKV_IS_ID( l3, KaxContentEncodingScope ) )
4087                         {
4088                             KaxContentEncodingScope &encscope = *(KaxContentEncodingScope*)l3;
4089                             MkvTree( sys.demuxer, 5, "Scope: %i", uint32( encscope ) );
4090                         }
4091                         else if( MKV_IS_ID( l3, KaxContentEncodingType ) )
4092                         {
4093                             KaxContentEncodingType &enctype = *(KaxContentEncodingType*)l3;
4094                             MkvTree( sys.demuxer, 5, "Type: %i", uint32( enctype ) );
4095                         }
4096                         else if( MKV_IS_ID( l3, KaxContentCompression ) )
4097                         {
4098                             EbmlMaster *compr = static_cast<EbmlMaster*>(l3);
4099                             MkvTree( sys.demuxer, 5, "Content Compression" );
4100                             for( n = 0; n < compr->ListSize(); n++ )
4101                             {
4102                                 EbmlElement *l4 = (*compr)[n];
4103                                 if( MKV_IS_ID( l4, KaxContentCompAlgo ) )
4104                                 {
4105                                     KaxContentCompAlgo &compalg = *(KaxContentCompAlgo*)l4;
4106                                     MkvTree( sys.demuxer, 6, "Compression Algorithm: %i", uint32(compalg) );
4107                                     if( uint32( compalg ) == 0 )
4108                                     {
4109                                         tk->i_compression_type = MATROSKA_COMPRESSION_ZLIB;
4110                                     }
4111                                 }
4112                                 else
4113                                 {
4114                                     MkvTree( sys.demuxer, 6, "Unknown (%s)", typeid(*l4).name() );
4115                                 }
4116                             }
4117                         }
4118
4119                         else
4120                         {
4121                             MkvTree( sys.demuxer, 5, "Unknown (%s)", typeid(*l3).name() );
4122                         }
4123                     }
4124
4125                 }
4126                 else
4127                 {
4128                     MkvTree( sys.demuxer, 4, "Unknown (%s)", typeid(*l2).name() );
4129                 }
4130             }
4131
4132         }
4133 //        else if( EbmlId( *l ) == KaxCodecSettings::ClassInfos.GlobalId )
4134 //        {
4135 //            KaxCodecSettings &cset = *(KaxCodecSettings*)l;
4136
4137 //            tk->psz_codec_settings = ToUTF8( UTFstring( cset ) );
4138 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Settings=%s", tk->psz_codec_settings );
4139 //        }
4140 //        else if( EbmlId( *l ) == KaxCodecInfoURL::ClassInfos.GlobalId )
4141 //        {
4142 //            KaxCodecInfoURL &ciurl = *(KaxCodecInfoURL*)l;
4143
4144 //            tk->psz_codec_info_url = strdup( string( ciurl ).c_str() );
4145 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_info_url );
4146 //        }
4147 //        else if( EbmlId( *l ) == KaxCodecDownloadURL::ClassInfos.GlobalId )
4148 //        {
4149 //            KaxCodecDownloadURL &cdurl = *(KaxCodecDownloadURL*)l;
4150
4151 //            tk->psz_codec_download_url = strdup( string( cdurl ).c_str() );
4152 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_download_url );
4153 //        }
4154 //        else if( EbmlId( *l ) == KaxCodecDecodeAll::ClassInfos.GlobalId )
4155 //        {
4156 //            KaxCodecDecodeAll &cdall = *(KaxCodecDecodeAll*)l;
4157
4158 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Decode All=%u <== UNUSED", uint8( cdall ) );
4159 //        }
4160 //        else if( EbmlId( *l ) == KaxTrackOverlay::ClassInfos.GlobalId )
4161 //        {
4162 //            KaxTrackOverlay &tovr = *(KaxTrackOverlay*)l;
4163
4164 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Overlay=%u <== UNUSED", uint32( tovr ) );
4165 //        }
4166         else  if( MKV_IS_ID( l, KaxTrackVideo ) )
4167         {
4168             EbmlMaster *tkv = static_cast<EbmlMaster*>(l);
4169             unsigned int j;
4170
4171             msg_Dbg( &sys.demuxer, "|   |   |   + Track Video" );
4172             tk->f_fps = 0.0;
4173
4174             tk->fmt.video.i_frame_rate_base = (unsigned int)(tk->i_default_duration / 1000);
4175             tk->fmt.video.i_frame_rate = 1000000;
4176
4177             for( j = 0; j < tkv->ListSize(); j++ )
4178             {
4179                 EbmlElement *l = (*tkv)[j];
4180 //                if( EbmlId( *el4 ) == KaxVideoFlagInterlaced::ClassInfos.GlobalId )
4181 //                {
4182 //                    KaxVideoFlagInterlaced &fint = *(KaxVideoFlagInterlaced*)el4;
4183
4184 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Interlaced=%u", uint8( fint ) );
4185 //                }
4186 //                else if( EbmlId( *el4 ) == KaxVideoStereoMode::ClassInfos.GlobalId )
4187 //                {
4188 //                    KaxVideoStereoMode &stereo = *(KaxVideoStereoMode*)el4;
4189
4190 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Stereo Mode=%u", uint8( stereo ) );
4191 //                }
4192 //                else
4193                 if( MKV_IS_ID( l, KaxVideoPixelWidth ) )
4194                 {
4195                     KaxVideoPixelWidth &vwidth = *(KaxVideoPixelWidth*)l;
4196
4197                     tk->fmt.video.i_width = uint16( vwidth );
4198                     msg_Dbg( &sys.demuxer, "|   |   |   |   + width=%d", uint16( vwidth ) );
4199                 }
4200                 else if( MKV_IS_ID( l, KaxVideoPixelHeight ) )
4201                 {
4202                     KaxVideoPixelWidth &vheight = *(KaxVideoPixelWidth*)l;
4203
4204                     tk->fmt.video.i_height = uint16( vheight );
4205                     msg_Dbg( &sys.demuxer, "|   |   |   |   + height=%d", uint16( vheight ) );
4206                 }
4207                 else if( MKV_IS_ID( l, KaxVideoDisplayWidth ) )
4208                 {
4209                     KaxVideoDisplayWidth &vwidth = *(KaxVideoDisplayWidth*)l;
4210
4211                     tk->fmt.video.i_visible_width = uint16( vwidth );
4212                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display width=%d", uint16( vwidth ) );
4213                 }
4214                 else if( MKV_IS_ID( l, KaxVideoDisplayHeight ) )
4215                 {
4216                     KaxVideoDisplayWidth &vheight = *(KaxVideoDisplayWidth*)l;
4217
4218                     tk->fmt.video.i_visible_height = uint16( vheight );
4219                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display height=%d", uint16( vheight ) );
4220                 }
4221                 else if( MKV_IS_ID( l, KaxVideoFrameRate ) )
4222                 {
4223                     KaxVideoFrameRate &vfps = *(KaxVideoFrameRate*)l;
4224
4225                     tk->f_fps = float( vfps );
4226                     msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( vfps ) );
4227                 }
4228 //                else if( EbmlId( *l ) == KaxVideoDisplayUnit::ClassInfos.GlobalId )
4229 //                {
4230 //                     KaxVideoDisplayUnit &vdmode = *(KaxVideoDisplayUnit*)l;
4231
4232 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Display Unit=%s",
4233 //                             uint8( vdmode ) == 0 ? "pixels" : ( uint8( vdmode ) == 1 ? "centimeters": "inches" ) );
4234 //                }
4235 //                else if( EbmlId( *l ) == KaxVideoAspectRatio::ClassInfos.GlobalId )
4236 //                {
4237 //                    KaxVideoAspectRatio &ratio = *(KaxVideoAspectRatio*)l;
4238
4239 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + Track Video Aspect Ratio Type=%u", uint8( ratio ) );
4240 //                }
4241 //                else if( EbmlId( *l ) == KaxVideoGamma::ClassInfos.GlobalId )
4242 //                {
4243 //                    KaxVideoGamma &gamma = *(KaxVideoGamma*)l;
4244
4245 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( gamma ) );
4246 //                }
4247                 else
4248                 {
4249                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4250                 }
4251             }
4252             if ( tk->fmt.video.i_visible_height && tk->fmt.video.i_visible_width )
4253                 tk->fmt.video.i_aspect = VOUT_ASPECT_FACTOR * tk->fmt.video.i_visible_width / tk->fmt.video.i_visible_height;
4254         }
4255         else  if( MKV_IS_ID( l, KaxTrackAudio ) )
4256         {
4257             EbmlMaster *tka = static_cast<EbmlMaster*>(l);
4258             unsigned int j;
4259
4260             msg_Dbg( &sys.demuxer, "|   |   |   + Track Audio" );
4261
4262             for( j = 0; j < tka->ListSize(); j++ )
4263             {
4264                 EbmlElement *l = (*tka)[j];
4265
4266                 if( MKV_IS_ID( l, KaxAudioSamplingFreq ) )
4267                 {
4268                     KaxAudioSamplingFreq &afreq = *(KaxAudioSamplingFreq*)l;
4269
4270                     tk->fmt.audio.i_rate = (int)float( afreq );
4271                     msg_Dbg( &sys.demuxer, "|   |   |   |   + afreq=%d", tk->fmt.audio.i_rate );
4272                 }
4273                 else if( MKV_IS_ID( l, KaxAudioChannels ) )
4274                 {
4275                     KaxAudioChannels &achan = *(KaxAudioChannels*)l;
4276
4277                     tk->fmt.audio.i_channels = uint8( achan );
4278                     msg_Dbg( &sys.demuxer, "|   |   |   |   + achan=%u", uint8( achan ) );
4279                 }
4280                 else if( MKV_IS_ID( l, KaxAudioBitDepth ) )
4281                 {
4282                     KaxAudioBitDepth &abits = *(KaxAudioBitDepth*)l;
4283
4284                     tk->fmt.audio.i_bitspersample = uint8( abits );
4285                     msg_Dbg( &sys.demuxer, "|   |   |   |   + abits=%u", uint8( abits ) );
4286                 }
4287                 else
4288                 {
4289                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4290                 }
4291             }
4292         }
4293         else
4294         {
4295             msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)",
4296                      typeid(*l).name() );
4297         }
4298     }
4299 }
4300
4301 /*****************************************************************************
4302  * ParseTracks:
4303  *****************************************************************************/
4304 void matroska_segment_c::ParseTracks( KaxTracks *tracks )
4305 {
4306     EbmlElement *el;
4307     unsigned int i;
4308     int i_upper_level = 0;
4309
4310     msg_Dbg( &sys.demuxer, "|   + Tracks" );
4311
4312     /* Master elements */
4313     tracks->Read( es, tracks->Generic().Context, i_upper_level, el, true );
4314
4315     for( i = 0; i < tracks->ListSize(); i++ )
4316     {
4317         EbmlElement *l = (*tracks)[i];
4318
4319         if( MKV_IS_ID( l, KaxTrackEntry ) )
4320         {
4321             ParseTrackEntry( static_cast<KaxTrackEntry *>(l) );
4322         }
4323         else
4324         {
4325             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4326         }
4327     }
4328 }
4329
4330 /*****************************************************************************
4331  * ParseInfo:
4332  *****************************************************************************/
4333 void matroska_segment_c::ParseInfo( KaxInfo *info )
4334 {
4335     EbmlElement *el;
4336     EbmlMaster  *m;
4337     size_t i, j;
4338     int i_upper_level = 0;
4339
4340     msg_Dbg( &sys.demuxer, "|   + Information" );
4341
4342     /* Master elements */
4343     m = static_cast<EbmlMaster *>(info);
4344     m->Read( es, info->Generic().Context, i_upper_level, el, true );
4345
4346     for( i = 0; i < m->ListSize(); i++ )
4347     {
4348         EbmlElement *l = (*m)[i];
4349
4350         if( MKV_IS_ID( l, KaxSegmentUID ) )
4351         {
4352             if ( p_segment_uid == NULL )
4353                 p_segment_uid = new KaxSegmentUID(*static_cast<KaxSegmentUID*>(l));
4354
4355             msg_Dbg( &sys.demuxer, "|   |   + UID=%d", *(uint32*)p_segment_uid->GetBuffer() );
4356         }
4357         else if( MKV_IS_ID( l, KaxPrevUID ) )
4358         {
4359             if ( p_prev_segment_uid == NULL )
4360                 p_prev_segment_uid = new KaxPrevUID(*static_cast<KaxPrevUID*>(l));
4361
4362             msg_Dbg( &sys.demuxer, "|   |   + PrevUID=%d", *(uint32*)p_prev_segment_uid->GetBuffer() );
4363         }
4364         else if( MKV_IS_ID( l, KaxNextUID ) )
4365         {
4366             if ( p_next_segment_uid == NULL )
4367                 p_next_segment_uid = new KaxNextUID(*static_cast<KaxNextUID*>(l));
4368
4369             msg_Dbg( &sys.demuxer, "|   |   + NextUID=%d", *(uint32*)p_next_segment_uid->GetBuffer() );
4370         }
4371         else if( MKV_IS_ID( l, KaxTimecodeScale ) )
4372         {
4373             KaxTimecodeScale &tcs = *(KaxTimecodeScale*)l;
4374
4375             i_timescale = uint64(tcs);
4376
4377             msg_Dbg( &sys.demuxer, "|   |   + TimecodeScale="I64Fd,
4378                      i_timescale );
4379         }
4380         else if( MKV_IS_ID( l, KaxDuration ) )
4381         {
4382             KaxDuration &dur = *(KaxDuration*)l;
4383
4384             i_duration = mtime_t( double( dur ) );
4385
4386             msg_Dbg( &sys.demuxer, "|   |   + Duration="I64Fd,
4387                      i_duration );
4388         }
4389         else if( MKV_IS_ID( l, KaxMuxingApp ) )
4390         {
4391             KaxMuxingApp &mapp = *(KaxMuxingApp*)l;
4392
4393             psz_muxing_application = ToUTF8( UTFstring( mapp ) );
4394
4395             msg_Dbg( &sys.demuxer, "|   |   + Muxing Application=%s",
4396                      psz_muxing_application );
4397         }
4398         else if( MKV_IS_ID( l, KaxWritingApp ) )
4399         {
4400             KaxWritingApp &wapp = *(KaxWritingApp*)l;
4401
4402             psz_writing_application = ToUTF8( UTFstring( wapp ) );
4403
4404             msg_Dbg( &sys.demuxer, "|   |   + Writing Application=%s",
4405                      psz_writing_application );
4406         }
4407         else if( MKV_IS_ID( l, KaxSegmentFilename ) )
4408         {
4409             KaxSegmentFilename &sfn = *(KaxSegmentFilename*)l;
4410
4411             psz_segment_filename = ToUTF8( UTFstring( sfn ) );
4412
4413             msg_Dbg( &sys.demuxer, "|   |   + Segment Filename=%s",
4414                      psz_segment_filename );
4415         }
4416         else if( MKV_IS_ID( l, KaxTitle ) )
4417         {
4418             KaxTitle &title = *(KaxTitle*)l;
4419
4420             psz_title = ToUTF8( UTFstring( title ) );
4421
4422             msg_Dbg( &sys.demuxer, "|   |   + Title=%s", psz_title );
4423         }
4424         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
4425         {
4426             KaxSegmentFamily *uid = static_cast<KaxSegmentFamily*>(l);
4427
4428             families.push_back( new KaxSegmentFamily(*uid) );
4429
4430             msg_Dbg( &sys.demuxer, "|   |   + family=%d", *(uint32*)uid->GetBuffer() );
4431         }
4432 #if defined( HAVE_GMTIME_R ) && !defined( SYS_DARWIN )
4433         else if( MKV_IS_ID( l, KaxDateUTC ) )
4434         {
4435             KaxDateUTC &date = *(KaxDateUTC*)l;
4436             time_t i_date;
4437             struct tm tmres;
4438             char   buffer[256];
4439
4440             i_date = date.GetEpochDate();
4441             memset( buffer, 0, 256 );
4442             if( gmtime_r( &i_date, &tmres ) &&
4443                 asctime_r( &tmres, buffer ) )
4444             {
4445                 buffer[strlen( buffer)-1]= '\0';
4446                 psz_date_utc = strdup( buffer );
4447                 msg_Dbg( &sys.demuxer, "|   |   + Date=%s", psz_date_utc );
4448             }
4449         }
4450 #endif
4451 #if LIBMATROSKA_VERSION >= 0x000704
4452         else if( MKV_IS_ID( l, KaxChapterTranslate ) )
4453         {
4454             KaxChapterTranslate *p_trans = static_cast<KaxChapterTranslate*>( l );
4455             chapter_translation_c *p_translate = new chapter_translation_c();
4456
4457             p_trans->Read( es, p_trans->Generic().Context, i_upper_level, el, true );
4458             for( j = 0; j < p_trans->ListSize(); j++ )
4459             {
4460                 EbmlElement *l = (*p_trans)[j];
4461
4462                 if( MKV_IS_ID( l, KaxChapterTranslateEditionUID ) )
4463                 {
4464                     p_translate->editions.push_back( uint64( *static_cast<KaxChapterTranslateEditionUID*>( l ) ) );
4465                 }
4466                 else if( MKV_IS_ID( l, KaxChapterTranslateCodec ) )
4467                 {
4468                     p_translate->codec_id = uint32( *static_cast<KaxChapterTranslateCodec*>( l ) );
4469                 }
4470                 else if( MKV_IS_ID( l, KaxChapterTranslateID ) )
4471                 {
4472                     p_translate->p_translated = new KaxChapterTranslateID( *static_cast<KaxChapterTranslateID*>( l ) );
4473                 }
4474             }
4475
4476             translations.push_back( p_translate );
4477         }
4478 #endif
4479         else
4480         {
4481             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4482         }
4483     }
4484
4485     double f_dur = double(i_duration) * double(i_timescale) / 1000000.0;
4486     i_duration = mtime_t(f_dur);
4487 }
4488
4489
4490 /*****************************************************************************
4491  * ParseChapterAtom
4492  *****************************************************************************/
4493 void matroska_segment_c::ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters )
4494 {
4495     size_t i, j;
4496
4497     msg_Dbg( &sys.demuxer, "|   |   |   + ChapterAtom (level=%d)", i_level );
4498     for( i = 0; i < ca->ListSize(); i++ )
4499     {
4500         EbmlElement *l = (*ca)[i];
4501
4502         if( MKV_IS_ID( l, KaxChapterUID ) )
4503         {
4504             chapters.i_uid = uint64_t(*(KaxChapterUID*)l);
4505             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterUID: %lld", chapters.i_uid );
4506         }
4507         else if( MKV_IS_ID( l, KaxChapterFlagHidden ) )
4508         {
4509             KaxChapterFlagHidden &flag =*(KaxChapterFlagHidden*)l;
4510             chapters.b_display_seekpoint = uint8( flag ) == 0;
4511
4512             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterFlagHidden: %s", chapters.b_display_seekpoint ? "no":"yes" );
4513         }
4514         else if( MKV_IS_ID( l, KaxChapterTimeStart ) )
4515         {
4516             KaxChapterTimeStart &start =*(KaxChapterTimeStart*)l;
4517             chapters.i_start_time = uint64( start ) / I64C(1000);
4518
4519             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeStart: %lld", chapters.i_start_time );
4520         }
4521         else if( MKV_IS_ID( l, KaxChapterTimeEnd ) )
4522         {
4523             KaxChapterTimeEnd &end =*(KaxChapterTimeEnd*)l;
4524             chapters.i_end_time = uint64( end ) / I64C(1000);
4525
4526             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeEnd: %lld", chapters.i_end_time );
4527         }
4528         else if( MKV_IS_ID( l, KaxChapterDisplay ) )
4529         {
4530             EbmlMaster *cd = static_cast<EbmlMaster *>(l);
4531
4532             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterDisplay" );
4533             for( j = 0; j < cd->ListSize(); j++ )
4534             {
4535                 EbmlElement *l= (*cd)[j];
4536
4537                 if( MKV_IS_ID( l, KaxChapterString ) )
4538                 {
4539                     int k;
4540
4541                     KaxChapterString &name =*(KaxChapterString*)l;
4542                     for (k = 0; k < i_level; k++)
4543                         chapters.psz_name += '+';
4544                     chapters.psz_name += ' ';
4545                     char *psz_tmp_utf8 = ToUTF8( UTFstring( name ) );
4546                     chapters.psz_name += psz_tmp_utf8;
4547                     chapters.b_user_display = true;
4548
4549                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterString '%s'", psz_tmp_utf8 );
4550                     free( psz_tmp_utf8 );
4551                 }
4552                 else if( MKV_IS_ID( l, KaxChapterLanguage ) )
4553                 {
4554                     KaxChapterLanguage &lang =*(KaxChapterLanguage*)l;
4555                     const char *psz = string( lang ).c_str();
4556
4557                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterLanguage '%s'", psz );
4558                 }
4559                 else if( MKV_IS_ID( l, KaxChapterCountry ) )
4560                 {
4561                     KaxChapterCountry &ct =*(KaxChapterCountry*)l;
4562                     const char *psz = string( ct ).c_str();
4563
4564                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterCountry '%s'", psz );
4565                 }
4566             }
4567         }
4568         else if( MKV_IS_ID( l, KaxChapterProcess ) )
4569         {
4570             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterProcess" );
4571
4572             KaxChapterProcess *cp = static_cast<KaxChapterProcess *>(l);
4573             chapter_codec_cmds_c *p_ccodec = NULL;
4574
4575             for( j = 0; j < cp->ListSize(); j++ )
4576             {
4577                 EbmlElement *k= (*cp)[j];
4578
4579                 if( MKV_IS_ID( k, KaxChapterProcessCodecID ) )
4580                 {
4581                     KaxChapterProcessCodecID *p_codec_id = static_cast<KaxChapterProcessCodecID*>( k );
4582                     if ( uint32(*p_codec_id) == 0 )
4583                         p_ccodec = new matroska_script_codec_c( sys );
4584                     else if ( uint32(*p_codec_id) == 1 )
4585                         p_ccodec = new dvd_chapter_codec_c( sys );
4586                     break;
4587                 }
4588             }
4589
4590             if ( p_ccodec != NULL )
4591             {
4592                 for( j = 0; j < cp->ListSize(); j++ )
4593                 {
4594                     EbmlElement *k= (*cp)[j];
4595
4596                     if( MKV_IS_ID( k, KaxChapterProcessPrivate ) )
4597                     {
4598                         KaxChapterProcessPrivate * p_private = static_cast<KaxChapterProcessPrivate*>( k );
4599                         p_ccodec->SetPrivate( *p_private );
4600                     }
4601                     else if( MKV_IS_ID( k, KaxChapterProcessCommand ) )
4602                     {
4603                         p_ccodec->AddCommand( *static_cast<KaxChapterProcessCommand*>( k ) );
4604                     }
4605                 }
4606                 chapters.codecs.push_back( p_ccodec );
4607             }
4608         }
4609         else if( MKV_IS_ID( l, KaxChapterAtom ) )
4610         {
4611             chapter_item_c *new_sub_chapter = new chapter_item_c();
4612             ParseChapterAtom( i_level+1, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4613             new_sub_chapter->psz_parent = &chapters;
4614             chapters.sub_chapters.push_back( new_sub_chapter );
4615         }
4616     }
4617 }
4618
4619 /*****************************************************************************
4620  * ParseChapters:
4621  *****************************************************************************/
4622 void matroska_segment_c::ParseChapters( KaxChapters *chapters )
4623 {
4624     EbmlElement *el;
4625     size_t i;
4626     int i_upper_level = 0;
4627     mtime_t i_dur;
4628
4629     /* Master elements */
4630     chapters->Read( es, chapters->Generic().Context, i_upper_level, el, true );
4631
4632     for( i = 0; i < chapters->ListSize(); i++ )
4633     {
4634         EbmlElement *l = (*chapters)[i];
4635
4636         if( MKV_IS_ID( l, KaxEditionEntry ) )
4637         {
4638             chapter_edition_c *p_edition = new chapter_edition_c();
4639
4640             EbmlMaster *E = static_cast<EbmlMaster *>(l );
4641             size_t j;
4642             msg_Dbg( &sys.demuxer, "|   |   + EditionEntry" );
4643             for( j = 0; j < E->ListSize(); j++ )
4644             {
4645                 EbmlElement *l = (*E)[j];
4646
4647                 if( MKV_IS_ID( l, KaxChapterAtom ) )
4648                 {
4649                     chapter_item_c *new_sub_chapter = new chapter_item_c();
4650                     ParseChapterAtom( 0, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4651                     p_edition->sub_chapters.push_back( new_sub_chapter );
4652                 }
4653                 else if( MKV_IS_ID( l, KaxEditionUID ) )
4654                 {
4655                     p_edition->i_uid = uint64(*static_cast<KaxEditionUID *>( l ));
4656                 }
4657                 else if( MKV_IS_ID( l, KaxEditionFlagOrdered ) )
4658                 {
4659                     p_edition->b_ordered = config_GetInt( &sys.demuxer, "mkv-use-ordered-chapters" ) ? (uint8(*static_cast<KaxEditionFlagOrdered *>( l )) != 0) : 0;
4660                 }
4661                 else if( MKV_IS_ID( l, KaxEditionFlagDefault ) )
4662                 {
4663                     if (uint8(*static_cast<KaxEditionFlagDefault *>( l )) != 0)
4664                         i_default_edition = stored_editions.size();
4665                 }
4666                 else
4667                 {
4668                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
4669                 }
4670             }
4671             stored_editions.push_back( p_edition );
4672         }
4673         else
4674         {
4675             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4676         }
4677     }
4678
4679     for( i = 0; i < stored_editions.size(); i++ )
4680     {
4681         stored_editions[i]->RefreshChapters( );
4682     }
4683
4684     if ( stored_editions.size() != 0 && stored_editions[i_default_edition]->b_ordered )
4685     {
4686         /* update the duration of the segment according to the sum of all sub chapters */
4687         i_dur = stored_editions[i_default_edition]->Duration() / I64C(1000);
4688         if (i_dur > 0)
4689             i_duration = i_dur;
4690     }
4691 }
4692
4693 void matroska_segment_c::ParseCluster( )
4694 {
4695     EbmlElement *el;
4696     EbmlMaster  *m;
4697     unsigned int i;
4698     int i_upper_level = 0;
4699
4700     /* Master elements */
4701     m = static_cast<EbmlMaster *>( cluster );
4702     m->Read( es, cluster->Generic().Context, i_upper_level, el, true );
4703
4704     for( i = 0; i < m->ListSize(); i++ )
4705     {
4706         EbmlElement *l = (*m)[i];
4707
4708         if( MKV_IS_ID( l, KaxClusterTimecode ) )
4709         {
4710             KaxClusterTimecode &ctc = *(KaxClusterTimecode*)l;
4711
4712             cluster->InitTimecode( uint64( ctc ), i_timescale );
4713             break;
4714         }
4715     }
4716
4717     i_start_time = cluster->GlobalTimecode() / 1000;
4718 }
4719
4720 /*****************************************************************************
4721  * InformationCreate:
4722  *****************************************************************************/
4723 void matroska_segment_c::InformationCreate( )
4724 {
4725     size_t      i_track;
4726
4727     sys.meta = vlc_meta_New();
4728
4729     if( psz_title )
4730     {
4731         vlc_meta_Add( sys.meta, VLC_META_TITLE, psz_title );
4732     }
4733     if( psz_date_utc )
4734     {
4735         vlc_meta_Add( sys.meta, VLC_META_DATE, psz_date_utc );
4736     }
4737     if( psz_segment_filename )
4738     {
4739         vlc_meta_Add( sys.meta, _("Segment filename"), psz_segment_filename );
4740     }
4741     if( psz_muxing_application )
4742     {
4743         vlc_meta_Add( sys.meta, _("Muxing application"), psz_muxing_application );
4744     }
4745     if( psz_writing_application )
4746     {
4747         vlc_meta_Add( sys.meta, _("Writing application"), psz_writing_application );
4748     }
4749
4750     for( i_track = 0; i_track < tracks.size(); i_track++ )
4751     {
4752         mkv_track_t *tk = tracks[i_track];
4753         vlc_meta_t *mtk = vlc_meta_New();
4754
4755         sys.meta->track = (vlc_meta_t**)realloc( sys.meta->track,
4756                                                     sizeof( vlc_meta_t * ) * ( sys.meta->i_track + 1 ) );
4757         sys.meta->track[sys.meta->i_track++] = mtk;
4758
4759         if( tk->fmt.psz_description )
4760         {
4761             vlc_meta_Add( sys.meta, VLC_META_DESCRIPTION, tk->fmt.psz_description );
4762         }
4763         if( tk->psz_codec_name )
4764         {
4765             vlc_meta_Add( sys.meta, VLC_META_CODEC_NAME, tk->psz_codec_name );
4766         }
4767         if( tk->psz_codec_settings )
4768         {
4769             vlc_meta_Add( sys.meta, VLC_META_SETTING, tk->psz_codec_settings );
4770         }
4771         if( tk->psz_codec_info_url )
4772         {
4773             vlc_meta_Add( sys.meta, VLC_META_CODEC_DESCRIPTION, tk->psz_codec_info_url );
4774         }
4775         if( tk->psz_codec_download_url )
4776         {
4777             vlc_meta_Add( sys.meta, VLC_META_URL, tk->psz_codec_download_url );
4778         }
4779     }
4780
4781     if( i_tags_position >= 0 )
4782     {
4783         vlc_bool_t b_seekable;
4784
4785         stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
4786         if( b_seekable )
4787         {
4788             LoadTags( );
4789         }
4790     }
4791 }
4792
4793
4794 /*****************************************************************************
4795  * Divers
4796  *****************************************************************************/
4797
4798 void matroska_segment_c::IndexAppendCluster( KaxCluster *cluster )
4799 {
4800 #define idx p_indexes[i_index]
4801     idx.i_track       = -1;
4802     idx.i_block_number= -1;
4803     idx.i_position    = cluster->GetElementPosition();
4804     idx.i_time        = -1;
4805     idx.b_key         = VLC_TRUE;
4806
4807     i_index++;
4808     if( i_index >= i_index_max )
4809     {
4810         i_index_max += 1024;
4811         p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
4812     }
4813 #undef idx
4814 }
4815
4816 void chapter_edition_c::RefreshChapters( )
4817 {
4818     chapter_item_c::RefreshChapters( b_ordered, -1 );
4819     b_display_seekpoint = false;
4820 }
4821
4822 int64_t chapter_item_c::RefreshChapters( bool b_ordered, int64_t i_prev_user_time )
4823 {
4824     int64_t i_user_time = i_prev_user_time;
4825
4826     // first the sub-chapters, and then ourself
4827     std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
4828     while ( index != sub_chapters.end() )
4829     {
4830         i_user_time = (*index)->RefreshChapters( b_ordered, i_user_time );
4831         index++;
4832     }
4833
4834     if ( b_ordered )
4835     {
4836         // the ordered chapters always start at zero
4837         if ( i_prev_user_time == -1 )
4838         {
4839             if ( i_user_time == -1 )
4840                 i_user_time = 0;
4841             i_prev_user_time = 0;
4842         }
4843
4844         i_user_start_time = i_prev_user_time;
4845         if ( i_end_time != -1 && i_user_time == i_prev_user_time )
4846         {
4847             i_user_end_time = i_user_start_time - i_start_time + i_end_time;
4848         }
4849         else
4850         {
4851             i_user_end_time = i_user_time;
4852         }
4853     }
4854     else
4855     {
4856         if ( sub_chapters.begin() != sub_chapters.end() )
4857             std::sort( sub_chapters.begin(), sub_chapters.end(), chapter_item_c::CompareTimecode );
4858         i_user_start_time = i_start_time;
4859         if ( i_end_time != -1 )
4860             i_user_end_time = i_end_time;
4861         else if ( i_user_time != -1 )
4862             i_user_end_time = i_user_time;
4863         else
4864             i_user_end_time = i_user_start_time;
4865     }
4866
4867     return i_user_end_time;
4868 }
4869
4870 mtime_t chapter_edition_c::Duration() const
4871 {
4872     mtime_t i_result = 0;
4873
4874     if ( sub_chapters.size() )
4875     {
4876         std::vector<chapter_item_c*>::const_iterator index = sub_chapters.end();
4877         index--;
4878         i_result = (*index)->i_user_end_time;
4879     }
4880
4881     return i_result;
4882 }
4883
4884 chapter_item_c * chapter_edition_c::FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current )
4885 {
4886     if ( !b_ordered )
4887         p_current = NULL;
4888     bool b_found_current = false;
4889     return chapter_item_c::FindTimecode( i_timecode, p_current, b_found_current );
4890 }
4891
4892 chapter_item_c *chapter_item_c::FindTimecode( mtime_t i_user_timecode, const chapter_item_c * p_current, bool & b_found )
4893 {
4894     chapter_item_c *psz_result = NULL;
4895
4896     if ( p_current == this )
4897         b_found = true;
4898
4899     if ( i_user_timecode >= i_user_start_time &&
4900         ( i_user_timecode < i_user_end_time ||
4901           ( i_user_start_time == i_user_end_time && i_user_timecode == i_user_end_time )))
4902     {
4903         std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
4904         while ( index != sub_chapters.end() && ((p_current == NULL && psz_result == NULL) || (p_current != NULL && (!b_found || psz_result == NULL))))
4905         {
4906             psz_result = (*index)->FindTimecode( i_user_timecode, p_current, b_found );
4907             index++;
4908         }
4909
4910         if ( psz_result == NULL )
4911             psz_result = this;
4912     }
4913
4914     return psz_result;
4915 }
4916
4917 bool chapter_item_c::ParentOf( const chapter_item_c & item ) const
4918 {
4919     if ( &item == this )
4920         return true;
4921
4922     std::vector<chapter_item_c*>::const_iterator index = sub_chapters.begin();
4923     while ( index != sub_chapters.end() )
4924     {
4925         if ( (*index)->ParentOf( item ) )
4926             return true;
4927         index++;
4928     }
4929
4930     return false;
4931 }
4932
4933 void demux_sys_t::PreloadFamily( const matroska_segment_c & of_segment )
4934 {
4935     for (size_t i=0; i<opened_segments.size(); i++)
4936     {
4937         opened_segments[i]->PreloadFamily( of_segment );
4938     }
4939 }
4940 bool matroska_segment_c::PreloadFamily( const matroska_segment_c & of_segment )
4941 {
4942     if ( b_preloaded )
4943         return false;
4944
4945     for (size_t i=0; i<families.size(); i++)
4946     {
4947         for (size_t j=0; j<of_segment.families.size(); j++)
4948         {
4949             if ( *(families[i]) == *(of_segment.families[j]) )
4950                 return Preload( );
4951         }
4952     }
4953
4954     return false;
4955 }
4956
4957 // preload all the linked segments for all preloaded segments
4958 void demux_sys_t::PreloadLinked( matroska_segment_c *p_segment )
4959 {
4960     size_t i_preloaded, i, j;
4961     virtual_segment_c *p_seg;
4962
4963     p_current_segment = VirtualFromSegments( p_segment );
4964
4965     used_segments.push_back( p_current_segment );
4966
4967     // create all the other virtual segments of the family
4968     do {
4969         i_preloaded = 0;
4970         for ( i=0; i< opened_segments.size(); i++ )
4971         {
4972             if ( opened_segments[i]->b_preloaded && !IsUsedSegment( *opened_segments[i] ) )
4973             {
4974                 p_seg = VirtualFromSegments( opened_segments[i] );
4975                 used_segments.push_back( p_seg );
4976                 i_preloaded++;
4977             }
4978         }
4979     } while ( i_preloaded ); // worst case: will stop when all segments are found as family related
4980
4981     // publish all editions of all usable segment
4982     for ( i=0; i< used_segments.size(); i++ )
4983     {
4984         p_seg = used_segments[i];
4985         if ( p_seg->p_editions != NULL )
4986         {
4987             std::string sz_name;
4988             input_title_t *p_title = vlc_input_title_New();
4989             p_seg->i_sys_title = i;
4990             int i_chapters;
4991
4992             // TODO use a name for each edition, let the TITLE deal with a codec name
4993             for ( j=0; j<p_seg->p_editions->size(); j++ )
4994             {
4995                 if ( p_title->psz_name == NULL )
4996                 {
4997                     sz_name = (*p_seg->p_editions)[j]->GetMainName();
4998                     if ( sz_name != "" )
4999                         p_title->psz_name = strdup( sz_name.c_str() );
5000                 }
5001
5002                 chapter_edition_c *p_edition = (*p_seg->p_editions)[j];
5003
5004                 i_chapters = 0;
5005                 p_edition->PublishChapters( *p_title, i_chapters, 0 );
5006             }
5007
5008             // create a name if there is none
5009             if ( p_title->psz_name == NULL )
5010             {
5011                 sz_name = N_("Segment ");
5012                 char psz_str[6];
5013                 sprintf( psz_str, "%d", (int)i );
5014                 sz_name += psz_str;
5015                 p_title->psz_name = strdup( sz_name.c_str() );
5016             }
5017
5018             titles.push_back( p_title );
5019         }
5020     }
5021
5022     // TODO decide which segment should be first used (VMG for DVD)
5023 }
5024
5025 bool demux_sys_t::IsUsedSegment( matroska_segment_c &segment ) const
5026 {
5027     for ( size_t i=0; i< used_segments.size(); i++ )
5028     {
5029         if ( used_segments[i]->FindUID( *segment.p_segment_uid ) )
5030             return true;
5031     }
5032     return false;
5033 }
5034
5035 virtual_segment_c *demux_sys_t::VirtualFromSegments( matroska_segment_c *p_segment ) const
5036 {
5037     size_t i_preloaded, i;
5038
5039     virtual_segment_c *p_result = new virtual_segment_c( p_segment );
5040
5041     // fill our current virtual segment with all hard linked segments
5042     do {
5043         i_preloaded = 0;
5044         for ( i=0; i< opened_segments.size(); i++ )
5045         {
5046             i_preloaded += p_result->AddSegment( opened_segments[i] );
5047         }
5048     } while ( i_preloaded ); // worst case: will stop when all segments are found as linked
5049
5050     p_result->Sort( );
5051
5052     p_result->PreloadLinked( );
5053
5054     p_result->PrepareChapters( );
5055
5056     return p_result;
5057 }
5058
5059 bool demux_sys_t::PreparePlayback( virtual_segment_c *p_new_segment )
5060 {
5061     if ( p_new_segment != NULL && p_new_segment != p_current_segment )
5062     {
5063         if ( p_current_segment != NULL && p_current_segment->Segment() != NULL )
5064             p_current_segment->Segment()->UnSelect();
5065
5066         p_current_segment = p_new_segment;
5067         i_current_title = p_new_segment->i_sys_title;
5068     }
5069
5070     p_current_segment->LoadCues();
5071     f_duration = p_current_segment->Duration();
5072
5073     /* add information */
5074     p_current_segment->Segment()->InformationCreate( );
5075
5076     p_current_segment->Segment()->Select( 0 );
5077
5078     return true;
5079 }
5080
5081 void demux_sys_t::JumpTo( virtual_segment_c & vsegment, chapter_item_c * p_chapter )
5082 {
5083     // if the segment is not part of the current segment, select the new one
5084     if ( &vsegment != p_current_segment )
5085     {
5086         PreparePlayback( &vsegment );
5087     }
5088
5089     if ( p_chapter != NULL )
5090     {
5091         if ( !p_chapter->Enter( true ) )
5092         {
5093             // jump to the location in the found segment
5094             vsegment.Seek( demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5095         }
5096     }
5097
5098 }
5099
5100 bool matroska_segment_c::CompareSegmentUIDs( const matroska_segment_c * p_item_a, const matroska_segment_c * p_item_b )
5101 {
5102     if ( p_item_a == NULL || p_item_b == NULL )
5103         return false;
5104
5105     EbmlBinary * p_itema = (EbmlBinary *)(p_item_a->p_segment_uid);
5106     if ( p_item_b->p_prev_segment_uid != NULL && *p_itema == *p_item_b->p_prev_segment_uid )
5107         return true;
5108
5109     p_itema = (EbmlBinary *)(&p_item_a->p_next_segment_uid);
5110     if ( p_item_b->p_segment_uid != NULL && *p_itema == *p_item_b->p_segment_uid )
5111         return true;
5112
5113     if ( p_item_b->p_prev_segment_uid != NULL && *p_itema == *p_item_b->p_prev_segment_uid )
5114         return true;
5115
5116     return false;
5117 }
5118
5119 bool matroska_segment_c::Preload( )
5120 {
5121     if ( b_preloaded )
5122         return false;
5123
5124     EbmlElement *el = NULL;
5125
5126     ep->Reset( &sys.demuxer );
5127
5128     while( ( el = ep->Get() ) != NULL )
5129     {
5130         if( MKV_IS_ID( el, KaxInfo ) )
5131         {
5132             ParseInfo( static_cast<KaxInfo*>( el ) );
5133         }
5134         else if( MKV_IS_ID( el, KaxTracks ) )
5135         {
5136             ParseTracks( static_cast<KaxTracks*>( el ) );
5137         }
5138         else if( MKV_IS_ID( el, KaxSeekHead ) )
5139         {
5140             ParseSeekHead( static_cast<KaxSeekHead*>( el ) );
5141         }
5142         else if( MKV_IS_ID( el, KaxCues ) )
5143         {
5144             msg_Dbg( &sys.demuxer, "|   + Cues" );
5145         }
5146         else if( MKV_IS_ID( el, KaxCluster ) )
5147         {
5148             msg_Dbg( &sys.demuxer, "|   + Cluster" );
5149
5150             cluster = (KaxCluster*)el;
5151
5152             i_cluster_pos = i_start_pos = cluster->GetElementPosition();
5153             ParseCluster( );
5154
5155             ep->Down();
5156             /* stop parsing the stream */
5157             break;
5158         }
5159         else if( MKV_IS_ID( el, KaxAttachments ) )
5160         {
5161             msg_Dbg( &sys.demuxer, "|   + Attachments FIXME (but probably never supported)" );
5162         }
5163         else if( MKV_IS_ID( el, KaxChapters ) )
5164         {
5165             msg_Dbg( &sys.demuxer, "|   + Chapters" );
5166             ParseChapters( static_cast<KaxChapters*>( el ) );
5167         }
5168         else if( MKV_IS_ID( el, KaxTag ) )
5169         {
5170             msg_Dbg( &sys.demuxer, "|   + Tags FIXME TODO" );
5171         }
5172         else
5173         {
5174             msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid(*el).name() );
5175         }
5176     }
5177
5178     b_preloaded = true;
5179
5180     return true;
5181 }
5182
5183 matroska_segment_c *demux_sys_t::FindSegment( const EbmlBinary & uid ) const
5184 {
5185     for (size_t i=0; i<opened_segments.size(); i++)
5186     {
5187         if ( *opened_segments[i]->p_segment_uid == uid )
5188             return opened_segments[i];
5189     }
5190     return NULL;
5191 }
5192
5193 chapter_item_c *demux_sys_t::BrowseCodecPrivate( unsigned int codec_id,
5194                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
5195                                         const void *p_cookie,
5196                                         size_t i_cookie_size,
5197                                         virtual_segment_c * &p_segment_found )
5198 {
5199     chapter_item_c *p_result = NULL;
5200     for (size_t i=0; i<used_segments.size(); i++)
5201     {
5202         p_result = used_segments[i]->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
5203         if ( p_result != NULL )
5204         {
5205             p_segment_found = used_segments[i];
5206             break;
5207         }
5208     }
5209     return p_result;
5210 }
5211
5212 chapter_item_c *demux_sys_t::FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found )
5213 {
5214     chapter_item_c *p_result = NULL;
5215     for (size_t i=0; i<used_segments.size(); i++)
5216     {
5217         p_result = used_segments[i]->FindChapter( i_find_uid );
5218         if ( p_result != NULL )
5219         {
5220             p_segment_found = used_segments[i];
5221             break;
5222         }
5223     }
5224     return p_result;
5225 }
5226
5227 void virtual_segment_c::Sort()
5228 {
5229     // keep the current segment index
5230     matroska_segment_c *p_segment = linked_segments[i_current_segment];
5231
5232     std::sort( linked_segments.begin(), linked_segments.end(), matroska_segment_c::CompareSegmentUIDs );
5233
5234     for ( i_current_segment=0; i_current_segment<linked_segments.size(); i_current_segment++)
5235         if ( linked_segments[i_current_segment] == p_segment )
5236             break;
5237 }
5238
5239 size_t virtual_segment_c::AddSegment( matroska_segment_c *p_segment )
5240 {
5241     size_t i;
5242     // check if it's not already in here
5243     for ( i=0; i<linked_segments.size(); i++ )
5244     {
5245         if ( linked_segments[i]->p_segment_uid != NULL
5246             && p_segment->p_segment_uid != NULL
5247             && *p_segment->p_segment_uid == *linked_segments[i]->p_segment_uid )
5248             return 0;
5249     }
5250
5251     // find possible mates
5252     for ( i=0; i<linked_uids.size(); i++ )
5253     {
5254         if (   (p_segment->p_segment_uid != NULL && *p_segment->p_segment_uid == linked_uids[i])
5255             || (p_segment->p_prev_segment_uid != NULL && *p_segment->p_prev_segment_uid == linked_uids[i])
5256             || (p_segment->p_next_segment_uid !=NULL && *p_segment->p_next_segment_uid == linked_uids[i]) )
5257         {
5258             linked_segments.push_back( p_segment );
5259
5260             AppendUID( p_segment->p_prev_segment_uid );
5261             AppendUID( p_segment->p_next_segment_uid );
5262
5263             return 1;
5264         }
5265     }
5266     return 0;
5267 }
5268
5269 void virtual_segment_c::PreloadLinked( )
5270 {
5271     for ( size_t i=0; i<linked_segments.size(); i++ )
5272     {
5273         linked_segments[i]->Preload( );
5274     }
5275     i_current_edition = linked_segments[0]->i_default_edition;
5276 }
5277
5278 mtime_t virtual_segment_c::Duration() const
5279 {
5280     mtime_t i_duration;
5281     if ( linked_segments.size() == 0 )
5282         i_duration = 0;
5283     else {
5284         matroska_segment_c *p_last_segment = linked_segments[linked_segments.size()-1];
5285 //        p_last_segment->ParseCluster( );
5286
5287         i_duration = p_last_segment->i_start_time / 1000 + p_last_segment->i_duration;
5288     }
5289     return i_duration;
5290 }
5291
5292 void virtual_segment_c::LoadCues( )
5293 {
5294     for ( size_t i=0; i<linked_segments.size(); i++ )
5295     {
5296         linked_segments[i]->LoadCues();
5297     }
5298 }
5299
5300 void virtual_segment_c::AppendUID( const EbmlBinary * p_UID )
5301 {
5302     if ( p_UID == NULL )
5303         return;
5304     if ( p_UID->GetBuffer() == NULL )
5305         return;
5306
5307     for (size_t i=0; i<linked_uids.size(); i++)
5308     {
5309         if ( *p_UID == linked_uids[i] )
5310             return;
5311     }
5312     linked_uids.push_back( *(KaxSegmentUID*)(p_UID) );
5313 }
5314
5315 void matroska_segment_c::Seek( mtime_t i_date, mtime_t i_time_offset )
5316 {
5317     KaxBlock    *block;
5318     int         i_track_skipping;
5319     int64_t     i_block_duration;
5320     int64_t     i_block_ref1;
5321     int64_t     i_block_ref2;
5322     size_t      i_track;
5323     int64_t     i_seek_position = i_start_pos;
5324     int64_t     i_seek_time = i_start_time;
5325
5326     if ( i_index > 0 )
5327     {
5328         int i_idx = 0;
5329
5330         for( ; i_idx < i_index; i_idx++ )
5331         {
5332             if( p_indexes[i_idx].i_time + i_time_offset > i_date )
5333             {
5334                 break;
5335             }
5336         }
5337
5338         if( i_idx > 0 )
5339         {
5340             i_idx--;
5341         }
5342
5343         i_seek_position = p_indexes[i_idx].i_position;
5344         i_seek_time = p_indexes[i_idx].i_time;
5345     }
5346
5347     msg_Dbg( &sys.demuxer, "seek got "I64Fd" (%d%%)",
5348                 i_seek_time, (int)( 100 * i_seek_position / stream_Size( sys.demuxer.s ) ) );
5349
5350     es.I_O().setFilePointer( i_seek_position, seek_beginning );
5351
5352     delete ep;
5353     ep = new EbmlParser( &es, segment, &sys.demuxer );
5354     cluster = NULL;
5355
5356     sys.i_start_pts = i_date;
5357
5358     es_out_Control( sys.demuxer.out, ES_OUT_RESET_PCR );
5359
5360     /* now parse until key frame */
5361     i_track_skipping = 0;
5362     for( i_track = 0; i_track < tracks.size(); i_track++ )
5363     {
5364         if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5365         {
5366             tracks[i_track]->b_search_keyframe = VLC_TRUE;
5367             i_track_skipping++;
5368         }
5369         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_date );
5370     }
5371
5372
5373     while( i_track_skipping > 0 )
5374     {
5375         if( BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
5376         {
5377             msg_Warn( &sys.demuxer, "cannot get block EOF?" );
5378
5379             return;
5380         }
5381         ep->Down();
5382
5383         for( i_track = 0; i_track < tracks.size(); i_track++ )
5384         {
5385             if( tracks[i_track]->i_number == block->TrackNum() )
5386             {
5387                 break;
5388             }
5389         }
5390
5391         sys.i_pts = (sys.i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
5392
5393         if( i_track < tracks.size() )
5394         {
5395            if( sys.i_pts >= sys.i_start_pts )
5396             {
5397                 cluster = static_cast<KaxCluster*>(ep->UnGet( i_block_pos, i_cluster_pos ));
5398                 i_track_skipping = 0;
5399             }
5400             else if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5401             {
5402                 if( i_block_ref1 == 0 && tracks[i_track]->b_search_keyframe )
5403                 {
5404                     tracks[i_track]->b_search_keyframe = VLC_FALSE;
5405                     i_track_skipping--;
5406                 }
5407                 if( !tracks[i_track]->b_search_keyframe )
5408                 {
5409                     BlockDecode( &sys.demuxer, block, sys.i_pts, 0, i_block_ref1 >= 0 || i_block_ref2 > 0 );
5410                 }
5411             }
5412         }
5413
5414         delete block;
5415     }
5416 }
5417
5418 void virtual_segment_c::Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter )
5419 {
5420     demux_sys_t *p_sys = demuxer.p_sys;
5421     size_t i;
5422
5423     // find the actual time for an ordered edition
5424     if ( psz_chapter == NULL )
5425     {
5426         if ( Edition() && Edition()->b_ordered )
5427         {
5428             /* 1st, we need to know in which chapter we are */
5429             psz_chapter = (*p_editions)[i_current_edition]->FindTimecode( i_date, psz_current_chapter );
5430         }
5431     }
5432
5433     if ( psz_chapter != NULL )
5434     {
5435         psz_current_chapter = psz_chapter;
5436         p_sys->i_chapter_time = i_time_offset = psz_chapter->i_user_start_time - psz_chapter->i_start_time;
5437         if ( psz_chapter->i_seekpoint_num > 0 )
5438         {
5439             demuxer.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
5440             demuxer.info.i_title = p_sys->i_current_title = i_sys_title;
5441             demuxer.info.i_seekpoint = psz_chapter->i_seekpoint_num - 1;
5442         }
5443     }
5444
5445     // find the best matching segment
5446     for ( i=0; i<linked_segments.size(); i++ )
5447     {
5448         if ( i_date < linked_segments[i]->i_start_time )
5449             break;
5450     }
5451
5452     if ( i > 0 )
5453         i--;
5454
5455     if ( i_current_segment != i  )
5456     {
5457         linked_segments[i_current_segment]->UnSelect();
5458         linked_segments[i]->Select( i_date );
5459         i_current_segment = i;
5460     }
5461
5462     linked_segments[i]->Seek( i_date, i_time_offset );
5463 }
5464
5465 void chapter_codec_cmds_c::AddCommand( const KaxChapterProcessCommand & command )
5466 {
5467     size_t i;
5468
5469     uint32 codec_time = uint32(-1);
5470     for( i = 0; i < command.ListSize(); i++ )
5471     {
5472         const EbmlElement *k = command[i];
5473
5474         if( MKV_IS_ID( k, KaxChapterProcessTime ) )
5475         {
5476             codec_time = uint32( *static_cast<const KaxChapterProcessTime*>( k ) );
5477             break;
5478         }
5479     }
5480
5481     for( i = 0; i < command.ListSize(); i++ )
5482     {
5483         const EbmlElement *k = command[i];
5484
5485         if( MKV_IS_ID( k, KaxChapterProcessData ) )
5486         {
5487             KaxChapterProcessData *p_data =  new KaxChapterProcessData( *static_cast<const KaxChapterProcessData*>( k ) );
5488             switch ( codec_time )
5489             {
5490             case 0:
5491                 during_cmds.push_back( p_data );
5492                 break;
5493             case 1:
5494                 enter_cmds.push_back( p_data );
5495                 break;
5496             case 2:
5497                 leave_cmds.push_back( p_data );
5498                 break;
5499             default:
5500                 delete p_data;
5501             }
5502         }
5503     }
5504 }
5505
5506 bool chapter_item_c::Enter( bool b_do_subs )
5507 {
5508     bool f_result = false;
5509     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5510     while ( index != codecs.end() )
5511     {
5512         f_result |= (*index)->Enter();
5513         index++;
5514     }
5515
5516     if ( b_do_subs )
5517     {
5518         // sub chapters
5519         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5520         while ( index_ != sub_chapters.end() )
5521         {
5522             f_result |= (*index_)->Enter( true );
5523             index_++;
5524         }
5525     }
5526     return f_result;
5527 }
5528
5529 bool chapter_item_c::Leave( bool b_do_subs )
5530 {
5531     bool f_result = false;
5532     b_is_leaving = true;
5533     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5534     while ( index != codecs.end() )
5535     {
5536         f_result |= (*index)->Leave();
5537         index++;
5538     }
5539
5540     if ( b_do_subs )
5541     {
5542         // sub chapters
5543         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5544         while ( index_ != sub_chapters.end() )
5545         {
5546             f_result |= (*index_)->Leave( true );
5547             index_++;
5548         }
5549     }
5550     b_is_leaving = false;
5551     return f_result;
5552 }
5553
5554 bool chapter_item_c::EnterAndLeave( chapter_item_c *p_item, bool b_final_enter )
5555 {
5556     chapter_item_c *p_common_parent = p_item;
5557
5558     // leave, up to a common parent
5559     while ( p_common_parent != NULL && !p_common_parent->ParentOf( *this ) )
5560     {
5561         if ( !p_common_parent->b_is_leaving && p_common_parent->Leave( false ) )
5562             return true;
5563         p_common_parent = p_common_parent->psz_parent;
5564     }
5565
5566     // enter from the parent to <this>
5567     if ( p_common_parent != NULL )
5568     {
5569         do
5570         {
5571             if ( p_common_parent == this )
5572                 return Enter( true );
5573
5574             for ( size_t i = 0; i<p_common_parent->sub_chapters.size(); i++ )
5575             {
5576                 if ( p_common_parent->sub_chapters[i]->ParentOf( *this ) )
5577                 {
5578                     p_common_parent = p_common_parent->sub_chapters[i];
5579                     if ( p_common_parent != this )
5580                         if ( p_common_parent->Enter( false ) )
5581                             return true;
5582
5583                     break;
5584                 }
5585             }
5586         } while ( 1 );
5587     }
5588
5589     if ( b_final_enter )
5590         return Enter( true );
5591     else
5592         return false;
5593 }
5594
5595 bool dvd_chapter_codec_c::Enter()
5596 {
5597     bool f_result = false;
5598     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
5599     while ( index != enter_cmds.end() )
5600     {
5601         if ( (*index)->GetSize() )
5602         {
5603             binary *p_data = (*index)->GetBuffer();
5604             size_t i_size = *p_data++;
5605             // avoid reading too much from the buffer
5606             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
5607             for ( ; i_size > 0; i_size--, p_data += 8 )
5608             {
5609                 msg_Dbg( &sys.demuxer, "Matroska DVD enter command" );
5610                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5611             }
5612         }
5613         index++;
5614     }
5615     return f_result;
5616 }
5617
5618 bool dvd_chapter_codec_c::Leave()
5619 {
5620     bool f_result = false;
5621     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
5622     while ( index != leave_cmds.end() )
5623     {
5624         if ( (*index)->GetSize() )
5625         {
5626             binary *p_data = (*index)->GetBuffer();
5627             size_t i_size = *p_data++;
5628             // avoid reading too much from the buffer
5629             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
5630             for ( ; i_size > 0; i_size--, p_data += 8 )
5631             {
5632                 msg_Dbg( &sys.demuxer, "Matroska DVD leave command" );
5633                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5634             }
5635         }
5636         index++;
5637     }
5638     return f_result;
5639 }
5640
5641 // see http://www.dvd-replica.com/DVD/vmcmdset.php for a description of DVD commands
5642 bool dvd_command_interpretor_c::Interpret( const binary * p_command, size_t i_size )
5643 {
5644     if ( i_size != 8 )
5645         return false;
5646
5647     virtual_segment_c *p_segment = NULL;
5648     chapter_item_c *p_chapter = NULL;
5649     bool f_result = false;
5650     uint16 i_command = ( p_command[0] << 8 ) + p_command[1];
5651
5652     // handle register tests if there are some
5653     if ( (i_command & 0xF0) != 0 )
5654     {
5655         bool b_test_positive = true;//(i_command & CMD_DVD_IF_NOT) == 0;
5656         bool b_test_value    = (i_command & CMD_DVD_TEST_VALUE) != 0;
5657         uint8 i_test = i_command & 0x70;
5658         uint16 i_value;
5659
5660         // see http://dvd.sourceforge.net/dvdinfo/vmi.html
5661         uint8  i_cr1;
5662         uint16 i_cr2;
5663         switch ( i_command >> 12 )
5664         {
5665         default:
5666             i_cr1 = p_command[3];
5667             i_cr2 = (p_command[4] << 8) + p_command[5];
5668             break;
5669         case 3:
5670         case 4:
5671         case 5:
5672             i_cr1 = p_command[6];
5673             i_cr2 = p_command[7];
5674             b_test_value = false;
5675             break;
5676         case 6:
5677         case 7:
5678             if ( ((p_command[1] >> 4) & 0x7) == 0)
5679             {
5680                 i_cr1 = p_command[2];
5681                 i_cr2 = (p_command[6] << 8) + p_command[7];
5682             }
5683             else
5684             {
5685                 i_cr1 = p_command[2];
5686                 i_cr2 = (p_command[6] << 8) + p_command[7];
5687             }
5688             break;
5689         }
5690
5691         if ( b_test_value )
5692             i_value = i_cr2;
5693         else
5694             i_value = GetPRM( i_cr2 );
5695
5696         switch ( i_test )
5697         {
5698         case CMD_DVD_IF_GPREG_EQUAL:
5699             // if equals
5700             msg_Dbg( &sys.demuxer, "IF %s EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5701             if (!( GetPRM( i_cr1 ) == i_value ))
5702             {
5703                 b_test_positive = false;
5704             }
5705             break;
5706         case CMD_DVD_IF_GPREG_NOT_EQUAL:
5707             // if not equals
5708             msg_Dbg( &sys.demuxer, "IF %s NOT EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5709             if (!( GetPRM( i_cr1 ) != i_value ))
5710             {
5711                 b_test_positive = false;
5712             }
5713             break;
5714         case CMD_DVD_IF_GPREG_INF:
5715             // if inferior
5716             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5717             if (!( GetPRM( i_cr1 ) < i_value ))
5718             {
5719                 b_test_positive = false;
5720             }
5721             break;
5722         case CMD_DVD_IF_GPREG_INF_EQUAL:
5723             // if inferior or equal
5724             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5725             if (!( GetPRM( i_cr1 ) <= i_value ))
5726             {
5727                 b_test_positive = false;
5728             }
5729             break;
5730         case CMD_DVD_IF_GPREG_AND:
5731             // if logical and
5732             msg_Dbg( &sys.demuxer, "IF %s & %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5733             if (!( GetPRM( i_cr1 ) & i_value ))
5734             {
5735                 b_test_positive = false;
5736             }
5737             break;
5738         case CMD_DVD_IF_GPREG_SUP:
5739             // if superior
5740             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5741             if (!( GetPRM( i_cr1 ) > i_value ))
5742             {
5743                 b_test_positive = false;
5744             }
5745             break;
5746         case CMD_DVD_IF_GPREG_SUP_EQUAL:
5747             // if superior or equal
5748             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5749             if (!( GetPRM( i_cr1 ) >= i_value ))
5750             {
5751                 b_test_positive = false;
5752             }
5753             break;
5754         }
5755
5756         if ( !b_test_positive )
5757             return false;
5758     }
5759
5760     // strip the test command
5761     i_command &= 0xFF0F;
5762
5763     switch ( i_command )
5764     {
5765     case CMD_DVD_NOP:
5766     case CMD_DVD_NOP2:
5767         {
5768             msg_Dbg( &sys.demuxer, "NOP" );
5769             break;
5770         }
5771     case CMD_DVD_BREAK:
5772         {
5773             msg_Dbg( &sys.demuxer, "Break" );
5774             // TODO
5775             break;
5776         }
5777     case CMD_DVD_JUMP_TT:
5778         {
5779             uint8 i_title = p_command[5];
5780             msg_Dbg( &sys.demuxer, "JumpTT %d", i_title );
5781
5782             // find in the ChapProcessPrivate matching this Title level
5783             p_chapter = sys.BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title), p_segment );
5784             if ( p_segment != NULL )
5785             {
5786                 sys.JumpTo( *p_segment, p_chapter );
5787                 f_result = true;
5788             }
5789
5790             break;
5791         }
5792     case CMD_DVD_CALLSS_VTSM1:
5793         {
5794             msg_Dbg( &sys.demuxer, "CallSS" );
5795             binary p_type;
5796             switch( (p_command[6] & 0xC0) >> 6 ) {
5797                 case 0:
5798                     p_type = p_command[5] & 0x0F;
5799                     switch ( p_type )
5800                     {
5801                     case 0x00:
5802                         msg_Dbg( &sys.demuxer, "CallSS PGC (rsm_cell %x)", p_command[4]);
5803                         break;
5804                     case 0x02:
5805                         msg_Dbg( &sys.demuxer, "CallSS Title Entry (rsm_cell %x)", p_command[4]);
5806                         break;
5807                     case 0x03:
5808                         msg_Dbg( &sys.demuxer, "CallSS Root Menu (rsm_cell %x)", p_command[4]);
5809                         break;
5810                     case 0x04:
5811                         msg_Dbg( &sys.demuxer, "CallSS Subpicture Menu (rsm_cell %x)", p_command[4]);
5812                         break;
5813                     case 0x05:
5814                         msg_Dbg( &sys.demuxer, "CallSS Audio Menu (rsm_cell %x)", p_command[4]);
5815                         break;
5816                     case 0x06:
5817                         msg_Dbg( &sys.demuxer, "CallSS Angle Menu (rsm_cell %x)", p_command[4]);
5818                         break;
5819                     case 0x07:
5820                         msg_Dbg( &sys.demuxer, "CallSS Chapter Menu (rsm_cell %x)", p_command[4]);
5821                         break;
5822                     default:
5823                         msg_Dbg( &sys.demuxer, "CallSS <unknown> (rsm_cell %x)", p_command[4]);
5824                         break;
5825                     }
5826                     p_chapter = sys.BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1, p_segment );
5827                     if ( p_segment != NULL )
5828                     {
5829                         sys.JumpTo( *p_segment, p_chapter );
5830                         f_result = true;
5831                     }
5832                 break;
5833                 case 1:
5834                     msg_Dbg( &sys.demuxer, "CallSS VMGM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
5835                 break;
5836                 case 2:
5837                     msg_Dbg( &sys.demuxer, "CallSS VTSM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
5838                 break;
5839                 case 3:
5840                     msg_Dbg( &sys.demuxer, "CallSS VMGM (pgc %d, rsm_cell %x)", (p_command[2] << 8) + p_command[3], p_command[4]);
5841                 break;
5842             }
5843             break;
5844         }
5845     case CMD_DVD_JUMP_SS:
5846         {
5847             msg_Dbg( &sys.demuxer, "JumpSS");
5848             binary p_type;
5849             switch( (p_command[5] & 0xC0) >> 6 ) {
5850                 case 0:
5851                     msg_Dbg( &sys.demuxer, "JumpSS FP");
5852                 break;
5853                 case 1:
5854                     p_type = p_command[5] & 0x0F;
5855                     switch ( p_type )
5856                     {
5857                     case 0x02:
5858                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Title Entry");
5859                         break;
5860                     case 0x03:
5861                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Root Menu");
5862                         break;
5863                     case 0x04:
5864                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Subpicture Menu");
5865                         break;
5866                     case 0x05:
5867                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Audio Menu");
5868                         break;
5869                     case 0x06:
5870                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Angle Menu");
5871                         break;
5872                     case 0x07:
5873                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Chapter Menu");
5874                         break;
5875                     default:
5876                         msg_Dbg( &sys.demuxer, "JumpSS <unknown>");
5877                         break;
5878                     }
5879                     // find the VMG
5880                     p_chapter = sys.BrowseCodecPrivate( 1, MatchIsVMG, NULL, 0, p_segment );
5881                     if ( p_segment != NULL )
5882                     {
5883                         p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
5884                         if ( p_chapter != NULL )
5885                         {
5886                             sys.JumpTo( *p_segment, p_chapter );
5887                             f_result = true;
5888                         }
5889                     }
5890                 break;
5891                 case 2:
5892                     p_type = p_command[5] & 0x0F;
5893                     switch ( p_type )
5894                     {
5895                     case 0x02:
5896                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Title Entry", p_command[4], p_command[3]);
5897                         break;
5898                     case 0x03:
5899                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Root Menu", p_command[4], p_command[3]);
5900                         break;
5901                     case 0x04:
5902                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Subpicture Menu", p_command[4], p_command[3]);
5903                         break;
5904                     case 0x05:
5905                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Audio Menu", p_command[4], p_command[3]);
5906                         break;
5907                     case 0x06:
5908                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Angle Menu", p_command[4], p_command[3]);
5909                         break;
5910                     case 0x07:
5911                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Chapter Menu", p_command[4], p_command[3]);
5912                         break;
5913                     default:
5914                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) <unknown>", p_command[4], p_command[3]);
5915                         break;
5916                     }
5917
5918                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSMNumber, &p_command[4], 1, p_segment );
5919
5920                     if ( p_segment != NULL && p_chapter != NULL )
5921                     {
5922                         // find the title in the VTS
5923                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &p_command[3], 1 );
5924                         if ( p_chapter != NULL )
5925                         {
5926                             // find the specified menu in the VTSM
5927                             p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
5928                             if ( p_chapter != NULL )
5929                             {
5930                                 sys.JumpTo( *p_segment, p_chapter );
5931                                 f_result = true;
5932                             }
5933                         }
5934                         else
5935                             msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", p_command[3] );
5936                     }
5937                     else
5938                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", p_command[4] );
5939                 break;
5940                 case 3:
5941                     msg_Dbg( &sys.demuxer, "JumpSS VMGM (pgc %d)", (p_command[2] << 8) + p_command[3]);
5942                 break;
5943             }
5944             break;
5945         }
5946     case CMD_DVD_JUMPVTS_PTT:
5947         {
5948             uint8 i_title = p_command[5];
5949             uint8 i_ptt = p_command[3];
5950
5951             msg_Dbg( &sys.demuxer, "JumpVTS Title (%d) PTT (%d)", i_title, i_ptt);
5952
5953             // find the current VTS content segment
5954             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchIsDomain, NULL, 0 );
5955             if ( p_chapter != NULL )
5956             {
5957                 int16 i_curr_title = p_chapter->GetTitleNumber( );
5958                 if ( i_curr_title > 0 )
5959                 {
5960                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSNumber, &i_curr_title, sizeof(i_curr_title), p_segment );
5961
5962                     if ( p_segment != NULL && p_chapter != NULL )
5963                     {
5964                         // find the title in the VTS
5965                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title) );
5966                         if ( p_chapter != NULL )
5967                         {
5968                             // find the chapter in the title
5969                             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchChapterNumber, &i_ptt, sizeof(i_ptt) );
5970                             if ( p_chapter != NULL )
5971                             {
5972                                 sys.JumpTo( *p_segment, p_chapter );
5973                                 f_result = true;
5974                             }
5975                         }
5976                     else
5977                         msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", i_title );
5978                     }
5979                     else
5980                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", i_curr_title );
5981                 }
5982                 else
5983                     msg_Dbg( &sys.demuxer, "JumpVTS_PTT command found but not in a VTS(M)");
5984             }
5985             else
5986                 msg_Dbg( &sys.demuxer, "JumpVTS_PTT command but the DVD domain wasn't found");
5987             break;
5988         }
5989     case CMD_DVD_SET_GPRMMD:
5990         {
5991             msg_Dbg( &sys.demuxer, "Set GPRMMD [%d]=%d", (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3]);
5992
5993             if ( !SetGPRM( (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3] ) )
5994                 msg_Dbg( &sys.demuxer, "Set GPRMMD failed" );
5995             break;
5996         }
5997     case CMD_DVD_LINKPGCN:
5998         {
5999             uint16 i_pgcn = (p_command[6] << 8) + p_command[7];
6000
6001             msg_Dbg( &sys.demuxer, "Link PGCN(%d)", i_pgcn );
6002             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchPgcNumber, &i_pgcn, 2 );
6003             if ( p_chapter != NULL )
6004             {
6005                 if ( !p_chapter->Enter( true ) )
6006                     // jump to the location in the found segment
6007                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6008
6009                 f_result = true;
6010             }
6011             break;
6012         }
6013     case CMD_DVD_LINKCN:
6014         {
6015             uint8 i_cn = p_command[7];
6016
6017             p_chapter = sys.p_current_segment->CurrentChapter();
6018
6019             msg_Dbg( &sys.demuxer, "LinkCN (cell %d)", i_cn );
6020             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchCellNumber, &i_cn, 1 );
6021             if ( p_chapter != NULL )
6022             {
6023                 if ( !p_chapter->Enter( true ) )
6024                     // jump to the location in the found segment
6025                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6026
6027                 f_result = true;
6028             }
6029             break;
6030         }
6031     case CMD_DVD_GOTO_LINE:
6032         {
6033             msg_Dbg( &sys.demuxer, "GotoLine (%d)", (p_command[6] << 8) + p_command[7] );
6034             // TODO
6035             break;
6036         }
6037     case CMD_DVD_SET_HL_BTNN1:
6038         {
6039             msg_Dbg( &sys.demuxer, "SetHL_BTN (%d)", p_command[4] );
6040             SetSPRM( 0x88, p_command[4] );
6041             break;
6042         }
6043     default:
6044         {
6045             msg_Dbg( &sys.demuxer, "unsupported command : %02X %02X %02X %02X %02X %02X %02X %02X"
6046                      ,p_command[0]
6047                      ,p_command[1]
6048                      ,p_command[2]
6049                      ,p_command[3]
6050                      ,p_command[4]
6051                      ,p_command[5]
6052                      ,p_command[6]
6053                      ,p_command[7]);
6054             break;
6055         }
6056     }
6057
6058     return f_result;
6059 }
6060
6061 bool dvd_command_interpretor_c::MatchIsDomain( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6062 {
6063     return ( data.p_private_data != NULL && data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS );
6064 }
6065
6066 bool dvd_command_interpretor_c::MatchIsVMG( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6067 {
6068     if ( data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
6069         return false;
6070
6071     return ( data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS && data.p_private_data->GetBuffer()[1] == 0xC0);
6072 }
6073
6074 bool dvd_command_interpretor_c::MatchVTSNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6075 {
6076     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6077         return false;
6078
6079     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x80 )
6080         return false;
6081
6082     uint16 i_gtitle = (data.p_private_data->GetBuffer()[2] << 8 ) + data.p_private_data->GetBuffer()[3];
6083     uint16 i_title = *(uint16*)p_cookie;
6084
6085     return (i_gtitle == i_title);
6086 }
6087
6088 bool dvd_command_interpretor_c::MatchVTSMNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6089 {
6090     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6091         return false;
6092
6093     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x40 )
6094         return false;
6095
6096     uint8 i_gtitle = data.p_private_data->GetBuffer()[3];
6097     uint8 i_title = *(uint8*)p_cookie;
6098
6099     return (i_gtitle == i_title);
6100 }
6101
6102 bool dvd_command_interpretor_c::MatchTitleNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6103 {
6104     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6105         return false;
6106
6107     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_TT )
6108         return false;
6109
6110     uint16 i_gtitle = (data.p_private_data->GetBuffer()[1] << 8 ) + data.p_private_data->GetBuffer()[2];
6111     uint8 i_title = *(uint8*)p_cookie;
6112
6113     return (i_gtitle == i_title);
6114 }
6115
6116 bool dvd_command_interpretor_c::MatchPgcType( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6117 {
6118     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6119         return false;
6120
6121     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6122         return false;
6123
6124     uint8 i_pgc_type = data.p_private_data->GetBuffer()[3] & 0x0F;
6125     uint8 i_pgc = *(uint8*)p_cookie;
6126
6127     return (i_pgc_type == i_pgc);
6128 }
6129
6130 bool dvd_command_interpretor_c::MatchPgcNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6131 {
6132     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6133         return false;
6134
6135     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6136         return false;
6137
6138     uint16 *i_pgc_n = (uint16 *)p_cookie;
6139     uint16 i_pgc_num = (data.p_private_data->GetBuffer()[1] << 8) + data.p_private_data->GetBuffer()[2];
6140
6141     return (i_pgc_num == *i_pgc_n);
6142 }
6143
6144 bool dvd_command_interpretor_c::MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6145 {
6146     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
6147         return false;
6148
6149     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PTT )
6150         return false;
6151
6152     uint8 i_chapter = data.p_private_data->GetBuffer()[1];
6153     uint8 i_ptt = *(uint8*)p_cookie;
6154
6155     return (i_chapter == i_ptt);
6156 }
6157
6158 bool dvd_command_interpretor_c::MatchCellNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6159 {
6160     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 5 )
6161         return false;
6162
6163     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_CN )
6164         return false;
6165
6166     uint8 *i_cell_n = (uint8 *)p_cookie;
6167     uint8 i_cell_num = data.p_private_data->GetBuffer()[3];
6168
6169     return (i_cell_num == *i_cell_n);
6170 }
6171
6172 bool matroska_script_codec_c::Enter()
6173 {
6174     bool f_result = false;
6175     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
6176     while ( index != enter_cmds.end() )
6177     {
6178         if ( (*index)->GetSize() )
6179         {
6180             msg_Dbg( &sys.demuxer, "Matroska Script enter command" );
6181             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6182         }
6183         index++;
6184     }
6185     return f_result;
6186 }
6187
6188 bool matroska_script_codec_c::Leave()
6189 {
6190     bool f_result = false;
6191     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
6192     while ( index != leave_cmds.end() )
6193     {
6194         if ( (*index)->GetSize() )
6195         {
6196             msg_Dbg( &sys.demuxer, "Matroska Script leave command" );
6197             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6198         }
6199         index++;
6200     }
6201     return f_result;
6202 }
6203
6204 // see http://www.matroska.org/technical/specs/chapters/index.html#mscript
6205 //  for a description of existing commands
6206 bool matroska_script_interpretor_c::Interpret( const binary * p_command, size_t i_size )
6207 {
6208     bool b_result = false;
6209
6210     char *psz_str = (char*) malloc( i_size + 1 );
6211     memcpy( psz_str, p_command, i_size );
6212     psz_str[ i_size ] = '\0';
6213
6214     std::string sz_command = psz_str;
6215     free( psz_str );
6216
6217     msg_Dbg( &sys.demuxer, "command : %s", sz_command.c_str() );
6218
6219 #if defined(__GNUC__) && (__GNUC__ < 3)
6220     if ( sz_command.compare( CMD_MS_GOTO_AND_PLAY, 0, CMD_MS_GOTO_AND_PLAY.size() ) == 0 )
6221 #else
6222     if ( sz_command.compare( 0, CMD_MS_GOTO_AND_PLAY.size(), CMD_MS_GOTO_AND_PLAY ) == 0 )
6223 #endif
6224     {
6225         size_t i,j;
6226
6227         // find the (
6228         for ( i=CMD_MS_GOTO_AND_PLAY.size(); i<sz_command.size(); i++)
6229         {
6230             if ( sz_command[i] == '(' )
6231             {
6232                 i++;
6233                 break;
6234             }
6235         }
6236         // find the )
6237         for ( j=i; j<sz_command.size(); j++)
6238         {
6239             if ( sz_command[j] == ')' )
6240             {
6241                 i--;
6242                 break;
6243             }
6244         }
6245
6246         std::string st = sz_command.substr( i+1, j-i-1 );
6247         int64_t i_chapter_uid = atoi( st.c_str() );
6248
6249         virtual_segment_c *p_segment;
6250         chapter_item_c *p_chapter = sys.FindChapter( i_chapter_uid, p_segment );
6251
6252         if ( p_chapter == NULL )
6253             msg_Dbg( &sys.demuxer, "Chapter "I64Fd" not found", i_chapter_uid);
6254         else
6255         {
6256             if ( !p_chapter->EnterAndLeave( sys.p_current_segment->CurrentChapter() ) )
6257                 p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6258             b_result = true;
6259         }
6260     }
6261
6262     return b_result;
6263 }
6264
6265 void demux_sys_t::SwapButtons()
6266 {
6267 #ifndef WORDS_BIGENDIAN
6268     uint8_t button, i, j;
6269
6270     for( button = 1; button <= pci_packet.hli.hl_gi.btn_ns; button++) {
6271         btni_t *button_ptr = &(pci_packet.hli.btnit[button-1]);
6272         binary *p_data = (binary*) button_ptr;
6273
6274         uint16 i_x_start = ((p_data[0] & 0x3F) << 4 ) + ( p_data[1] >> 4 );
6275         uint16 i_x_end   = ((p_data[1] & 0x03) << 8 ) + p_data[2];
6276         uint16 i_y_start = ((p_data[3] & 0x3F) << 4 ) + ( p_data[4] >> 4 );
6277         uint16 i_y_end   = ((p_data[4] & 0x03) << 8 ) + p_data[5];
6278         button_ptr->x_start = i_x_start;
6279         button_ptr->x_end   = i_x_end;
6280         button_ptr->y_start = i_y_start;
6281         button_ptr->y_end   = i_y_end;
6282
6283     }
6284     for ( i = 0; i<3; i++ )
6285     {
6286         for ( j = 0; j<2; j++ )
6287         {
6288             pci_packet.hli.btn_colit.btn_coli[i][j] = U32_AT( &pci_packet.hli.btn_colit.btn_coli[i][j] );
6289         }
6290     }
6291 #endif
6292 }