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         return NULL;
1958     }
1959
1960     // verify we can read this Segment, we only support Matroska version 1 for now
1961     p_l0->Read(*p_estream, EbmlHead::ClassInfos.Context, i_upper_lvl, p_l0, true);
1962
1963     EDocType doc_type = GetChild<EDocType>(*static_cast<EbmlHead*>(p_l0));
1964     if (std::string(doc_type) != "matroska")
1965     {
1966         msg_Dbg( p_demux, "Not a Matroska file : %s ", std::string(doc_type).c_str());
1967         return NULL;
1968     }
1969
1970     EDocTypeReadVersion doc_read_version = GetChild<EDocTypeReadVersion>(*static_cast<EbmlHead*>(p_l0));
1971     if (uint64(doc_read_version) != 1)
1972     {
1973         msg_Dbg( p_demux, "Matroska Read version not matching : "I64Fd, uint64(doc_read_version));
1974         return NULL;
1975     }
1976
1977     delete p_l0;
1978
1979
1980     // find all segments in this file
1981     p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFFLL);
1982     if (p_l0 == NULL)
1983     {
1984         return NULL;
1985     }
1986
1987     matroska_stream_c *p_stream1 = new matroska_stream_c( *this );
1988
1989     while (p_l0 != 0)
1990     {
1991         if (EbmlId(*p_l0) == KaxSegment::ClassInfos.GlobalId)
1992         {
1993             EbmlParser  *ep;
1994             matroska_segment_c *p_segment1 = new matroska_segment_c( *this, *p_estream );
1995             b_keep_segment = b_initial;
1996
1997             ep = new EbmlParser(p_estream, p_l0, &demuxer );
1998             p_segment1->ep = ep;
1999             p_segment1->segment = (KaxSegment*)p_l0;
2000
2001             while ((p_l1 = ep->Get()))
2002             {
2003                 if (MKV_IS_ID(p_l1, KaxInfo))
2004                 {
2005                     // find the families of this segment
2006                     KaxInfo *p_info = static_cast<KaxInfo*>(p_l1);
2007
2008                     p_info->Read(*p_estream, KaxInfo::ClassInfos.Context, i_upper_lvl, p_l2, true);
2009                     for( i = 0; i < p_info->ListSize(); i++ )
2010                     {
2011                         EbmlElement *l = (*p_info)[i];
2012
2013                         if( MKV_IS_ID( l, KaxSegmentUID ) )
2014                         {
2015                             KaxSegmentUID *p_uid = static_cast<KaxSegmentUID*>(l);
2016                             b_keep_segment = (FindSegment( *p_uid ) == NULL);
2017                             if ( !b_keep_segment )
2018                                 break; // this segment is already known
2019                             opened_segments.push_back( p_segment1 );
2020                             delete p_segment1->p_segment_uid;
2021                             p_segment1->p_segment_uid = new KaxSegmentUID(*p_uid);
2022                         }
2023                         else if( MKV_IS_ID( l, KaxPrevUID ) )
2024                         {
2025                             p_segment1->p_prev_segment_uid = new KaxPrevUID( *static_cast<KaxPrevUID*>(l) );
2026                         }
2027                         else if( MKV_IS_ID( l, KaxNextUID ) )
2028                         {
2029                             p_segment1->p_next_segment_uid = new KaxNextUID( *static_cast<KaxNextUID*>(l) );
2030                         }
2031                         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
2032                         {
2033                             KaxSegmentFamily *p_fam = new KaxSegmentFamily( *static_cast<KaxSegmentFamily*>(l) );
2034                             p_segment1->families.push_back( p_fam );
2035                         }
2036                     }
2037                     break;
2038                 }
2039             }
2040             if ( b_keep_segment )
2041             {
2042                 b_keep_stream = true;
2043                 p_stream1->segments.push_back( p_segment1 );
2044             }
2045             else
2046                 delete p_segment1;
2047         }
2048         if (p_l0->IsFiniteSize() )
2049         {
2050             p_l0->SkipData(*p_estream, KaxMatroska_Context);
2051             p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFL);
2052         }
2053         else
2054             p_l0 = p_l0->SkipData(*p_estream, KaxSegment_Context);
2055     }
2056
2057     if ( !b_keep_stream )
2058     {
2059         delete p_stream1;
2060         p_stream1 = NULL;
2061     }
2062
2063     return p_stream1;
2064 }
2065
2066 bool matroska_segment_c::Select( mtime_t i_start_time )
2067 {
2068     size_t i_track;
2069
2070     /* add all es */
2071     msg_Dbg( &sys.demuxer, "found %d es", (int)tracks.size() );
2072     sys.b_pci_packet_set = false;
2073
2074     for( i_track = 0; i_track < tracks.size(); i_track++ )
2075     {
2076         if( tracks[i_track]->fmt.i_cat == UNKNOWN_ES )
2077         {
2078             msg_Warn( &sys.demuxer, "invalid track[%d, n=%d]", (int)i_track, tracks[i_track]->i_number );
2079             tracks[i_track]->p_es = NULL;
2080             continue;
2081         }
2082
2083         if( !strcmp( tracks[i_track]->psz_codec, "V_MS/VFW/FOURCC" ) )
2084         {
2085             if( tracks[i_track]->i_extra_data < (int)sizeof( BITMAPINFOHEADER ) )
2086             {
2087                 msg_Err( &sys.demuxer, "missing/invalid BITMAPINFOHEADER" );
2088                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2089             }
2090             else
2091             {
2092                 BITMAPINFOHEADER *p_bih = (BITMAPINFOHEADER*)tracks[i_track]->p_extra_data;
2093
2094                 tracks[i_track]->fmt.video.i_width = GetDWLE( &p_bih->biWidth );
2095                 tracks[i_track]->fmt.video.i_height= GetDWLE( &p_bih->biHeight );
2096                 tracks[i_track]->fmt.i_codec       = GetFOURCC( &p_bih->biCompression );
2097
2098                 tracks[i_track]->fmt.i_extra       = GetDWLE( &p_bih->biSize ) - sizeof( BITMAPINFOHEADER );
2099                 if( tracks[i_track]->fmt.i_extra > 0 )
2100                 {
2101                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2102                     memcpy( tracks[i_track]->fmt.p_extra, &p_bih[1], tracks[i_track]->fmt.i_extra );
2103                 }
2104             }
2105         }
2106         else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG1" ) ||
2107                  !strcmp( tracks[i_track]->psz_codec, "V_MPEG2" ) )
2108         {
2109             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'v' );
2110         }
2111         else if( !strncmp( tracks[i_track]->psz_codec, "V_MPEG4", 7 ) )
2112         {
2113             if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/MS/V3" ) )
2114             {
2115                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'D', 'I', 'V', '3' );
2116             }
2117             else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/ISO/AVC" ) )
2118             {
2119                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'v', 'c', '1' );
2120                 tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2121                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2122                 memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2123             }
2124             else
2125             {
2126                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' );
2127             }
2128         }
2129         else if( !strcmp( tracks[i_track]->psz_codec, "V_QUICKTIME" ) )
2130         {
2131             MP4_Box_t *p_box = (MP4_Box_t*)malloc( sizeof( MP4_Box_t ) );
2132             stream_t *p_mp4_stream = stream_MemoryNew( VLC_OBJECT(&sys.demuxer),
2133                                                        tracks[i_track]->p_extra_data,
2134                                                        tracks[i_track]->i_extra_data,
2135                                                        VLC_FALSE );
2136             MP4_ReadBoxCommon( p_mp4_stream, p_box );
2137             MP4_ReadBox_sample_vide( p_mp4_stream, p_box );
2138             tracks[i_track]->fmt.i_codec = p_box->i_type;
2139             tracks[i_track]->fmt.video.i_width = p_box->data.p_sample_vide->i_width;
2140             tracks[i_track]->fmt.video.i_height = p_box->data.p_sample_vide->i_height;
2141             tracks[i_track]->fmt.i_extra = p_box->data.p_sample_vide->i_qt_image_description;
2142             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2143             memcpy( tracks[i_track]->fmt.p_extra, p_box->data.p_sample_vide->p_qt_image_description, tracks[i_track]->fmt.i_extra );
2144             MP4_FreeBox_sample_vide( p_box );
2145             stream_Delete( p_mp4_stream );
2146         }
2147         else if( !strcmp( tracks[i_track]->psz_codec, "A_MS/ACM" ) )
2148         {
2149             if( tracks[i_track]->i_extra_data < (int)sizeof( WAVEFORMATEX ) )
2150             {
2151                 msg_Err( &sys.demuxer, "missing/invalid WAVEFORMATEX" );
2152                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2153             }
2154             else
2155             {
2156                 WAVEFORMATEX *p_wf = (WAVEFORMATEX*)tracks[i_track]->p_extra_data;
2157
2158                 wf_tag_to_fourcc( GetWLE( &p_wf->wFormatTag ), &tracks[i_track]->fmt.i_codec, NULL );
2159
2160                 tracks[i_track]->fmt.audio.i_channels   = GetWLE( &p_wf->nChannels );
2161                 tracks[i_track]->fmt.audio.i_rate = GetDWLE( &p_wf->nSamplesPerSec );
2162                 tracks[i_track]->fmt.i_bitrate    = GetDWLE( &p_wf->nAvgBytesPerSec ) * 8;
2163                 tracks[i_track]->fmt.audio.i_blockalign = GetWLE( &p_wf->nBlockAlign );;
2164                 tracks[i_track]->fmt.audio.i_bitspersample = GetWLE( &p_wf->wBitsPerSample );
2165
2166                 tracks[i_track]->fmt.i_extra            = GetWLE( &p_wf->cbSize );
2167                 if( tracks[i_track]->fmt.i_extra > 0 )
2168                 {
2169                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2170                     memcpy( tracks[i_track]->fmt.p_extra, &p_wf[1], tracks[i_track]->fmt.i_extra );
2171                 }
2172             }
2173         }
2174         else if( !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L3" ) ||
2175                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L2" ) ||
2176                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L1" ) )
2177         {
2178             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' );
2179         }
2180         else if( !strcmp( tracks[i_track]->psz_codec, "A_AC3" ) )
2181         {
2182             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' );
2183         }
2184         else if( !strcmp( tracks[i_track]->psz_codec, "A_DTS" ) )
2185         {
2186             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'd', 't', 's', ' ' );
2187         }
2188         else if( !strcmp( tracks[i_track]->psz_codec, "A_FLAC" ) )
2189         {
2190             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'f', 'l', 'a', 'c' );
2191             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2192             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2193             memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2194         }
2195         else if( !strcmp( tracks[i_track]->psz_codec, "A_VORBIS" ) )
2196         {
2197             int i, i_offset = 1, i_size[3], i_extra;
2198             uint8_t *p_extra;
2199
2200             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'v', 'o', 'r', 'b' );
2201
2202             /* Split the 3 headers */
2203             if( tracks[i_track]->p_extra_data[0] != 0x02 )
2204                 msg_Err( &sys.demuxer, "invalid vorbis header" );
2205
2206             for( i = 0; i < 2; i++ )
2207             {
2208                 i_size[i] = 0;
2209                 while( i_offset < tracks[i_track]->i_extra_data )
2210                 {
2211                     i_size[i] += tracks[i_track]->p_extra_data[i_offset];
2212                     if( tracks[i_track]->p_extra_data[i_offset++] != 0xff ) break;
2213                 }
2214             }
2215
2216             i_size[0] = __MIN(i_size[0], tracks[i_track]->i_extra_data - i_offset);
2217             i_size[1] = __MIN(i_size[1], tracks[i_track]->i_extra_data -i_offset -i_size[0]);
2218             i_size[2] = tracks[i_track]->i_extra_data - i_offset - i_size[0] - i_size[1];
2219
2220             tracks[i_track]->fmt.i_extra = 3 * 2 + i_size[0] + i_size[1] + i_size[2];
2221             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2222             p_extra = (uint8_t *)tracks[i_track]->fmt.p_extra; i_extra = 0;
2223             for( i = 0; i < 3; i++ )
2224             {
2225                 *(p_extra++) = i_size[i] >> 8;
2226                 *(p_extra++) = i_size[i] & 0xFF;
2227                 memcpy( p_extra, tracks[i_track]->p_extra_data + i_offset + i_extra,
2228                         i_size[i] );
2229                 p_extra += i_size[i];
2230                 i_extra += i_size[i];
2231             }
2232         }
2233         else if( !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG2/", strlen( "A_AAC/MPEG2/" ) ) ||
2234                  !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG4/", strlen( "A_AAC/MPEG4/" ) ) )
2235         {
2236             int i_profile, i_srate;
2237             static unsigned int i_sample_rates[] =
2238             {
2239                     96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050,
2240                         16000, 12000, 11025, 8000,  7350,  0,     0,     0
2241             };
2242
2243             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
2244             /* create data for faad (MP4DecSpecificDescrTag)*/
2245
2246             if( !strcmp( &tracks[i_track]->psz_codec[12], "MAIN" ) )
2247             {
2248                 i_profile = 0;
2249             }
2250             else if( !strcmp( &tracks[i_track]->psz_codec[12], "LC" ) )
2251             {
2252                 i_profile = 1;
2253             }
2254             else if( !strcmp( &tracks[i_track]->psz_codec[12], "SSR" ) )
2255             {
2256                 i_profile = 2;
2257             }
2258             else
2259             {
2260                 i_profile = 3;
2261             }
2262
2263             for( i_srate = 0; i_srate < 13; i_srate++ )
2264             {
2265                 if( i_sample_rates[i_srate] == tracks[i_track]->fmt.audio.i_rate )
2266                 {
2267                     break;
2268                 }
2269             }
2270             msg_Dbg( &sys.demuxer, "profile=%d srate=%d", i_profile, i_srate );
2271
2272             tracks[i_track]->fmt.i_extra = 2;
2273             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2274             ((uint8_t*)tracks[i_track]->fmt.p_extra)[0] = ((i_profile + 1) << 3) | ((i_srate&0xe) >> 1);
2275             ((uint8_t*)tracks[i_track]->fmt.p_extra)[1] = ((i_srate & 0x1) << 7) | (tracks[i_track]->fmt.audio.i_channels << 3);
2276         }
2277         else if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) ||
2278                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/LIT" ) ||
2279                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/FLOAT/IEEE" ) )
2280         {
2281             if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) )
2282             {
2283                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
2284             }
2285             else
2286             {
2287                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
2288             }
2289             tracks[i_track]->fmt.audio.i_blockalign = ( tracks[i_track]->fmt.audio.i_bitspersample + 7 ) / 8 * tracks[i_track]->fmt.audio.i_channels;
2290         }
2291         else if( !strcmp( tracks[i_track]->psz_codec, "A_TTA1" ) )
2292         {
2293             /* FIXME: support this codec */
2294             msg_Err( &sys.demuxer, "TTA not supported yet[%d, n=%d]", (int)i_track, tracks[i_track]->i_number );
2295             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2296         }
2297         else if( !strcmp( tracks[i_track]->psz_codec, "A_WAVPACK4" ) )
2298         {
2299             /* FIXME: support this codec */
2300             msg_Err( &sys.demuxer, "Wavpack not supported yet[%d, n=%d]", (int)i_track, tracks[i_track]->i_number );
2301             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2302         }
2303         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/UTF8" ) )
2304         {
2305             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 'u', 'b', 't' );
2306             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2307         }
2308         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/SSA" ) ||
2309                  !strcmp( tracks[i_track]->psz_codec, "S_TEXT/ASS" ) ||
2310                  !strcmp( tracks[i_track]->psz_codec, "S_SSA" ) ||
2311                  !strcmp( tracks[i_track]->psz_codec, "S_ASS" ))
2312         {
2313             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 's', 'a', ' ' );
2314             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2315         }
2316         else if( !strcmp( tracks[i_track]->psz_codec, "S_VOBSUB" ) )
2317         {
2318             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's','p','u',' ' );
2319             if( tracks[i_track]->i_extra_data )
2320             {
2321                 char *p_start;
2322                 char *p_buf = (char *)malloc( tracks[i_track]->i_extra_data + 1);
2323                 memcpy( p_buf, tracks[i_track]->p_extra_data , tracks[i_track]->i_extra_data );
2324                 p_buf[tracks[i_track]->i_extra_data] = '\0';
2325
2326                 p_start = strstr( p_buf, "size:" );
2327                 if( sscanf( p_start, "size: %dx%d",
2328                         &tracks[i_track]->fmt.subs.spu.i_original_frame_width, &tracks[i_track]->fmt.subs.spu.i_original_frame_height ) == 2 )
2329                 {
2330                     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 );
2331                 }
2332                 else
2333                 {
2334                     msg_Warn( &sys.demuxer, "reading original frame size for vobsub failed" );
2335                 }
2336                 free( p_buf );
2337             }
2338         }
2339         else if( !strcmp( tracks[i_track]->psz_codec, "B_VOBBTN" ) )
2340         {
2341             tracks[i_track]->fmt.i_cat = NAV_ES;
2342             continue;
2343         }
2344         else
2345         {
2346             msg_Err( &sys.demuxer, "unknow codec id=`%s'", tracks[i_track]->psz_codec );
2347             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2348         }
2349         if( tracks[i_track]->b_default )
2350         {
2351             tracks[i_track]->fmt.i_priority = 1000;
2352         }
2353
2354         tracks[i_track]->p_es = es_out_Add( sys.demuxer.out, &tracks[i_track]->fmt );
2355
2356         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_start_time );
2357     }
2358
2359     sys.i_start_pts = i_start_time;
2360     // reset the stream reading to the first cluster of the segment used
2361     es.I_O().setFilePointer( i_start_pos );
2362
2363     delete ep;
2364     ep = new EbmlParser( &es, segment, &sys.demuxer );
2365
2366     return true;
2367 }
2368
2369 void demux_sys_t::StartUiThread()
2370 {
2371     if ( !b_ui_hooked )
2372     {
2373         msg_Dbg( &demuxer, "Starting the UI Hook" );
2374         b_ui_hooked = true;
2375         /* FIXME hack hack hack hack FIXME */
2376         /* Get p_input and create variable */
2377         p_input = (input_thread_t *) vlc_object_find( &demuxer, VLC_OBJECT_INPUT, FIND_PARENT );
2378         var_Create( p_input, "x-start", VLC_VAR_INTEGER );
2379         var_Create( p_input, "y-start", VLC_VAR_INTEGER );
2380         var_Create( p_input, "x-end", VLC_VAR_INTEGER );
2381         var_Create( p_input, "y-end", VLC_VAR_INTEGER );
2382         var_Create( p_input, "color", VLC_VAR_ADDRESS );
2383         var_Create( p_input, "menu-palette", VLC_VAR_ADDRESS );
2384         var_Create( p_input, "highlight", VLC_VAR_BOOL );
2385         var_Create( p_input, "highlight-mutex", VLC_VAR_MUTEX );
2386
2387         /* Now create our event thread catcher */
2388         p_ev = (event_thread_t *) vlc_object_create( &demuxer, sizeof( event_thread_t ) );
2389         p_ev->p_demux = &demuxer;
2390         p_ev->b_die = VLC_FALSE;
2391         vlc_mutex_init( p_ev, &p_ev->lock );
2392         vlc_thread_create( p_ev, "mkv event thread handler", EventThread,
2393                         VLC_THREAD_PRIORITY_LOW, VLC_FALSE );
2394     }
2395 }
2396
2397 void demux_sys_t::StopUiThread()
2398 {
2399     if ( b_ui_hooked )
2400     {
2401         p_ev->b_die = VLC_TRUE;
2402
2403         vlc_thread_join( p_ev );
2404         vlc_object_destroy( p_ev );
2405
2406         p_ev = NULL;
2407
2408         var_Destroy( p_input, "highlight-mutex" );
2409         var_Destroy( p_input, "highlight" );
2410         var_Destroy( p_input, "x-start" );
2411         var_Destroy( p_input, "x-end" );
2412         var_Destroy( p_input, "y-start" );
2413         var_Destroy( p_input, "y-end" );
2414         var_Destroy( p_input, "color" );
2415         var_Destroy( p_input, "menu-palette" );
2416
2417         vlc_object_release( p_input );
2418
2419         msg_Dbg( &demuxer, "Stopping the UI Hook" );
2420     }
2421     b_ui_hooked = false;
2422 }
2423
2424 int demux_sys_t::EventMouse( vlc_object_t *p_this, char const *psz_var,
2425                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
2426 {
2427     event_thread_t *p_ev = (event_thread_t *) p_data;
2428     vlc_mutex_lock( &p_ev->lock );
2429     if( psz_var[6] == 'c' )
2430     {
2431         p_ev->b_clicked = VLC_TRUE;
2432         msg_Dbg( p_this, "Event Mouse: clicked");
2433     }
2434     else if( psz_var[6] == 'm' )
2435         p_ev->b_moved = VLC_TRUE;
2436     vlc_mutex_unlock( &p_ev->lock );
2437
2438     return VLC_SUCCESS;
2439 }
2440
2441 int demux_sys_t::EventKey( vlc_object_t *p_this, char const *psz_var,
2442                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
2443 {
2444     event_thread_t *p_ev = (event_thread_t *) p_data;
2445     vlc_mutex_lock( &p_ev->lock );
2446     p_ev->b_key = VLC_TRUE;
2447     vlc_mutex_unlock( &p_ev->lock );
2448     msg_Dbg( p_this, "Event Key");
2449
2450     return VLC_SUCCESS;
2451 }
2452
2453 int demux_sys_t::EventThread( vlc_object_t *p_this )
2454 {
2455     event_thread_t *p_ev = (event_thread_t*)p_this;
2456     demux_sys_t    *p_sys = p_ev->p_demux->p_sys;
2457     vlc_object_t   *p_vout = NULL;
2458
2459     p_ev->b_moved   = VLC_FALSE;
2460     p_ev->b_clicked = VLC_FALSE;
2461     p_ev->b_key     = VLC_FALSE;
2462
2463     /* catch all key event */
2464     var_AddCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2465
2466     /* main loop */
2467     while( !p_ev->b_die )
2468     {
2469         if ( !p_sys->b_pci_packet_set )
2470         {
2471             /* Wait 100ms */
2472             msleep( 100000 );
2473             continue;
2474         }
2475
2476         vlc_bool_t b_activated = VLC_FALSE;
2477
2478         /* KEY part */
2479         if( p_ev->b_key )
2480         {
2481             vlc_value_t valk;
2482             struct vlc_t::hotkey *p_hotkeys = p_ev->p_vlc->p_hotkeys;
2483             int i, i_action = -1;
2484
2485             msg_Dbg( p_ev->p_demux, "Handle Key Event");
2486
2487             vlc_mutex_lock( &p_ev->lock );
2488
2489             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2490
2491             var_Get( p_ev->p_vlc, "key-pressed", &valk );
2492             for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
2493             {
2494                 if( p_hotkeys[i].i_key == valk.i_int )
2495                 {
2496                     i_action = p_hotkeys[i].i_action;
2497                 }
2498             }
2499
2500             uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2501
2502             switch( i_action )
2503             {
2504             case ACTIONID_NAV_LEFT:
2505                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2506                 {
2507                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2508                     if ( p_button_ptr->left > 0 && p_button_ptr->left <= pci->hli.hl_gi.btn_ns )
2509                     {
2510                         i_curr_button = p_button_ptr->left;
2511                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2512                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2513                         if ( button_ptr.auto_action_mode )
2514                         {
2515                             vlc_mutex_unlock( &p_ev->lock );
2516                             vlc_mutex_lock( &p_sys->lock_demuxer );
2517
2518                             // process the button action
2519                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2520
2521                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2522                             vlc_mutex_lock( &p_ev->lock );
2523                         }
2524                     }
2525                 }
2526                 break;
2527             case ACTIONID_NAV_RIGHT:
2528                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2529                 {
2530                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2531                     if ( p_button_ptr->right > 0 && p_button_ptr->right <= pci->hli.hl_gi.btn_ns )
2532                     {
2533                         i_curr_button = p_button_ptr->right;
2534                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2535                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2536                         if ( button_ptr.auto_action_mode )
2537                         {
2538                             vlc_mutex_unlock( &p_ev->lock );
2539                             vlc_mutex_lock( &p_sys->lock_demuxer );
2540
2541                             // process the button action
2542                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2543
2544                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2545                             vlc_mutex_lock( &p_ev->lock );
2546                         }
2547                     }
2548                 }
2549                 break;
2550             case ACTIONID_NAV_UP:
2551                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2552                 {
2553                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2554                     if ( p_button_ptr->up > 0 && p_button_ptr->up <= pci->hli.hl_gi.btn_ns )
2555                     {
2556                         i_curr_button = p_button_ptr->up;
2557                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2558                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2559                         if ( button_ptr.auto_action_mode )
2560                         {
2561                             vlc_mutex_unlock( &p_ev->lock );
2562                             vlc_mutex_lock( &p_sys->lock_demuxer );
2563
2564                             // process the button action
2565                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2566
2567                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2568                             vlc_mutex_lock( &p_ev->lock );
2569                         }
2570                     }
2571                 }
2572                 break;
2573             case ACTIONID_NAV_DOWN:
2574                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2575                 {
2576                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2577                     if ( p_button_ptr->down > 0 && p_button_ptr->down <= pci->hli.hl_gi.btn_ns )
2578                     {
2579                         i_curr_button = p_button_ptr->down;
2580                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2581                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2582                         if ( button_ptr.auto_action_mode )
2583                         {
2584                             vlc_mutex_unlock( &p_ev->lock );
2585                             vlc_mutex_lock( &p_sys->lock_demuxer );
2586
2587                             // process the button action
2588                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2589
2590                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2591                             vlc_mutex_lock( &p_ev->lock );
2592                         }
2593                     }
2594                 }
2595                 break;
2596             case ACTIONID_NAV_ACTIVATE:
2597                 b_activated = VLC_TRUE;
2598
2599                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2600                 {
2601                     btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2602
2603                     vlc_mutex_unlock( &p_ev->lock );
2604                     vlc_mutex_lock( &p_sys->lock_demuxer );
2605
2606                     // process the button action
2607                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2608
2609                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2610                     vlc_mutex_lock( &p_ev->lock );
2611                 }
2612                 break;
2613             default:
2614                 break;
2615             }
2616             p_ev->b_key = VLC_FALSE;
2617             vlc_mutex_unlock( &p_ev->lock );
2618         }
2619
2620         /* MOUSE part */
2621         if( p_vout && ( p_ev->b_moved || p_ev->b_clicked ) )
2622         {
2623             vlc_value_t valx, valy;
2624
2625             vlc_mutex_lock( &p_ev->lock );
2626             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2627             var_Get( p_vout, "mouse-x", &valx );
2628             var_Get( p_vout, "mouse-y", &valy );
2629
2630             if( p_ev->b_clicked )
2631             {
2632                 int32_t button;
2633                 int32_t best,dist,d;
2634                 int32_t mx,my,dx,dy;
2635
2636                 msg_Dbg( p_ev->p_demux, "Handle Mouse Event: Mouse clicked x(%d)*y(%d)", (unsigned)valx.i_int, (unsigned)valy.i_int);
2637
2638                 b_activated = VLC_TRUE;
2639                 // get current button
2640                 best = 0;
2641                 dist = 0x08000000; /* >> than  (720*720)+(567*567); */
2642                 for(button = 1; button <= pci->hli.hl_gi.btn_ns; button++)
2643                 {
2644                     btni_t *button_ptr = &(pci->hli.btnit[button-1]);
2645
2646                     if(((unsigned)valx.i_int >= button_ptr->x_start)
2647                      && ((unsigned)valx.i_int <= button_ptr->x_end)
2648                      && ((unsigned)valy.i_int >= button_ptr->y_start)
2649                      && ((unsigned)valy.i_int <= button_ptr->y_end))
2650                     {
2651                         mx = (button_ptr->x_start + button_ptr->x_end)/2;
2652                         my = (button_ptr->y_start + button_ptr->y_end)/2;
2653                         dx = mx - valx.i_int;
2654                         dy = my - valy.i_int;
2655                         d = (dx*dx) + (dy*dy);
2656                         /* If the mouse is within the button and the mouse is closer
2657                         * to the center of this button then it is the best choice. */
2658                         if(d < dist) {
2659                             dist = d;
2660                             best = button;
2661                         }
2662                     }
2663                 }
2664
2665                 if ( best != 0)
2666                 {
2667                     btni_t button_ptr = pci->hli.btnit[best-1];
2668                     uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2669
2670                     msg_Dbg( &p_sys->demuxer, "Clicked button %d", best );
2671                     vlc_mutex_unlock( &p_ev->lock );
2672                     vlc_mutex_lock( &p_sys->lock_demuxer );
2673
2674                     // process the button action
2675                     p_sys->dvd_interpretor.SetSPRM( 0x88, best );
2676                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2677
2678                     msg_Dbg( &p_sys->demuxer, "Processed button %d", best );
2679
2680                     // select new button
2681                     if ( best != i_curr_button )
2682                     {
2683                         vlc_value_t val;
2684
2685                         if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
2686                         {
2687                             vlc_mutex_t *p_mutex = (vlc_mutex_t *) val.p_address;
2688                             uint32_t i_palette;
2689
2690                             if(button_ptr.btn_coln != 0) {
2691                                 i_palette = pci->hli.btn_colit.btn_coli[button_ptr.btn_coln-1][1];
2692                             } else {
2693                                 i_palette = 0;
2694                             }
2695
2696                             for( int i = 0; i < 4; i++ )
2697                             {
2698                                 uint32_t i_yuv = 0xFF;//p_sys->clut[(hl.palette>>(16+i*4))&0x0f];
2699                                 uint8_t i_alpha = (i_palette>>(i*4))&0x0f;
2700                                 i_alpha = i_alpha == 0xf ? 0xff : i_alpha << 4;
2701
2702                                 p_sys->palette[i][0] = (i_yuv >> 16) & 0xff;
2703                                 p_sys->palette[i][1] = (i_yuv >> 0) & 0xff;
2704                                 p_sys->palette[i][2] = (i_yuv >> 8) & 0xff;
2705                                 p_sys->palette[i][3] = i_alpha;
2706                             }
2707
2708                             vlc_mutex_lock( p_mutex );
2709                             val.i_int = button_ptr.x_start; var_Set( p_sys->p_input, "x-start", val );
2710                             val.i_int = button_ptr.x_end;   var_Set( p_sys->p_input, "x-end",   val );
2711                             val.i_int = button_ptr.y_start; var_Set( p_sys->p_input, "y-start", val );
2712                             val.i_int = button_ptr.y_end;   var_Set( p_sys->p_input, "y-end",   val );
2713
2714                             val.p_address = (void *)p_sys->palette;
2715                             var_Set( p_sys->p_input, "menu-palette", val );
2716
2717                             val.b_bool = VLC_TRUE; var_Set( p_sys->p_input, "highlight", val );
2718                             vlc_mutex_unlock( p_mutex );
2719                         }
2720                     }
2721                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2722                     vlc_mutex_lock( &p_ev->lock );
2723                 }
2724             }
2725             else if( p_ev->b_moved )
2726             {
2727 //                dvdnav_mouse_select( NULL, pci, valx.i_int, valy.i_int );
2728             }
2729
2730             p_ev->b_moved = VLC_FALSE;
2731             p_ev->b_clicked = VLC_FALSE;
2732             vlc_mutex_unlock( &p_ev->lock );
2733         }
2734
2735         /* VOUT part */
2736         if( p_vout && p_vout->b_die )
2737         {
2738             var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2739             var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2740             vlc_object_release( p_vout );
2741             p_vout = NULL;
2742         }
2743
2744         else if( p_vout == NULL )
2745         {
2746             p_vout = (vlc_object_t*) vlc_object_find( p_sys->p_input, VLC_OBJECT_VOUT,
2747                                       FIND_CHILD );
2748             if( p_vout)
2749             {
2750                 var_AddCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2751                 var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2752             }
2753         }
2754
2755         /* Wait a bit, 10ms */
2756         msleep( 10000 );
2757     }
2758
2759     /* Release callback */
2760     if( p_vout )
2761     {
2762         var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2763         var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2764         vlc_object_release( p_vout );
2765     }
2766     var_DelCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2767
2768     vlc_mutex_destroy( &p_ev->lock );
2769
2770     return VLC_SUCCESS;
2771 }
2772
2773 void matroska_segment_c::UnSelect( )
2774 {
2775     size_t i_track;
2776
2777     for( i_track = 0; i_track < tracks.size(); i_track++ )
2778     {
2779         if ( tracks[i_track]->p_es != NULL )
2780         {
2781 //            es_format_Clean( &tracks[i_track]->fmt );
2782             es_out_Del( sys.demuxer.out, tracks[i_track]->p_es );
2783             tracks[i_track]->p_es = NULL;
2784         }
2785     }
2786     delete ep;
2787     ep = NULL;
2788 }
2789
2790 void virtual_segment_c::PrepareChapters( )
2791 {
2792     if ( linked_segments.size() == 0 )
2793         return;
2794
2795     // !!! should be called only once !!!
2796     matroska_segment_c *p_segment;
2797     size_t i, j;
2798
2799     // copy editions from the first segment
2800     p_segment = linked_segments[0];
2801     p_editions = &p_segment->stored_editions;
2802
2803     for ( i=1 ; i<linked_segments.size(); i++ )
2804     {
2805         p_segment = linked_segments[i];
2806         // FIXME assume we have the same editions in all segments
2807         for (j=0; j<p_segment->stored_editions.size(); j++)
2808             (*p_editions)[j]->Append( *p_segment->stored_editions[j] );
2809     }
2810 }
2811
2812 std::string chapter_edition_c::GetMainName() const
2813 {
2814     if ( sub_chapters.size() )
2815     {
2816         return sub_chapters[0]->GetCodecName( true );
2817     }
2818     return "";
2819 }
2820
2821 int chapter_item_c::PublishChapters( input_title_t & title, int & i_user_chapters, int i_level )
2822 {
2823     // add support for meta-elements from codec like DVD Titles
2824     if ( !b_display_seekpoint || psz_name == "" )
2825     {
2826         psz_name = GetCodecName();
2827         if ( psz_name != "" )
2828             b_display_seekpoint = true;
2829     }
2830
2831     if (b_display_seekpoint)
2832     {
2833         seekpoint_t *sk = vlc_seekpoint_New();
2834
2835         sk->i_level = i_level;
2836         sk->i_time_offset = i_start_time;
2837         sk->psz_name = strdup( psz_name.c_str() );
2838
2839         // A start time of '0' is ok. A missing ChapterTime element is ok, too, because '0' is its default value.
2840         title.i_seekpoint++;
2841         title.seekpoint = (seekpoint_t**)realloc( title.seekpoint, title.i_seekpoint * sizeof( seekpoint_t* ) );
2842         title.seekpoint[title.i_seekpoint-1] = sk;
2843
2844         if ( b_user_display )
2845             i_user_chapters++;
2846     }
2847
2848     for ( size_t i=0; i<sub_chapters.size() ; i++)
2849     {
2850         sub_chapters[i]->PublishChapters( title, i_user_chapters, i_level+1 );
2851     }
2852
2853     i_seekpoint_num = i_user_chapters;
2854
2855     return i_user_chapters;
2856 }
2857
2858 bool virtual_segment_c::UpdateCurrentToChapter( demux_t & demux )
2859 {
2860     demux_sys_t & sys = *demux.p_sys;
2861     chapter_item_c *psz_curr_chapter;
2862     bool b_has_seeked = false;
2863
2864     /* update current chapter/seekpoint */
2865     if ( p_editions->size() )
2866     {
2867         /* 1st, we need to know in which chapter we are */
2868         psz_curr_chapter = (*p_editions)[i_current_edition]->FindTimecode( sys.i_pts, psz_current_chapter );
2869
2870         /* we have moved to a new chapter */
2871         if (psz_curr_chapter != NULL && psz_current_chapter != psz_curr_chapter)
2872         {
2873             if ( (*p_editions)[i_current_edition]->b_ordered )
2874             {
2875                 // Leave/Enter up to the link point
2876                 b_has_seeked = psz_curr_chapter->EnterAndLeave( psz_current_chapter );
2877                 if ( !b_has_seeked )
2878                 {
2879                     // only physically seek if necessary
2880                     if ( psz_current_chapter == NULL || (psz_current_chapter->i_end_time != psz_curr_chapter->i_start_time) )
2881                         Seek( demux, sys.i_pts, 0, psz_curr_chapter );
2882                 }
2883             }
2884
2885             if ( !b_has_seeked )
2886             {
2887                 psz_current_chapter = psz_curr_chapter;
2888                 if ( psz_curr_chapter->i_seekpoint_num > 0 )
2889                 {
2890                     demux.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
2891                     demux.info.i_title = sys.i_current_title = i_sys_title;
2892                     demux.info.i_seekpoint = psz_curr_chapter->i_seekpoint_num - 1;
2893                 }
2894             }
2895
2896             return true;
2897         }
2898         else if (psz_curr_chapter == NULL)
2899         {
2900             // out of the scope of the data described by chapters, leave the edition
2901             if ( (*p_editions)[i_current_edition]->b_ordered && psz_current_chapter != NULL )
2902             {
2903                 if ( !(*p_editions)[i_current_edition]->EnterAndLeave( psz_current_chapter, false ) )
2904                     psz_current_chapter = NULL;
2905                 else
2906                     return true;
2907             }
2908         }
2909     }
2910     return false;
2911 }
2912
2913 chapter_item_c *virtual_segment_c::BrowseCodecPrivate( unsigned int codec_id,
2914                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
2915                                     const void *p_cookie,
2916                                     size_t i_cookie_size )
2917 {
2918     // FIXME don't assume it is the first edition
2919     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
2920     if ( index != p_editions->end() )
2921     {
2922         chapter_item_c *p_result = (*index)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
2923         if ( p_result != NULL )
2924             return p_result;
2925     }
2926     return NULL;
2927 }
2928
2929 chapter_item_c *virtual_segment_c::FindChapter( int64_t i_find_uid )
2930 {
2931     // FIXME don't assume it is the first edition
2932     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
2933     if ( index != p_editions->end() )
2934     {
2935         chapter_item_c *p_result = (*index)->FindChapter( i_find_uid );
2936         if ( p_result != NULL )
2937             return p_result;
2938     }
2939     return NULL;
2940 }
2941
2942 chapter_item_c *chapter_item_c::BrowseCodecPrivate( unsigned int codec_id,
2943                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
2944                                     const void *p_cookie,
2945                                     size_t i_cookie_size )
2946 {
2947     // this chapter
2948     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2949     while ( index != codecs.end() )
2950     {
2951         if ( match( **index ,p_cookie, i_cookie_size ) )
2952             return this;
2953         index++;
2954     }
2955
2956     // sub-chapters
2957     chapter_item_c *p_result = NULL;
2958     std::vector<chapter_item_c*>::const_iterator index2 = sub_chapters.begin();
2959     while ( index2 != sub_chapters.end() )
2960     {
2961         p_result = (*index2)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
2962         if ( p_result != NULL )
2963             return p_result;
2964         index2++;
2965     }
2966
2967     return p_result;
2968 }
2969
2970 void chapter_item_c::Append( const chapter_item_c & chapter )
2971 {
2972     // we are appending content for the same chapter UID
2973     size_t i;
2974     chapter_item_c *p_chapter;
2975
2976     for ( i=0; i<chapter.sub_chapters.size(); i++ )
2977     {
2978         p_chapter = FindChapter( chapter.sub_chapters[i]->i_uid );
2979         if ( p_chapter != NULL )
2980         {
2981             p_chapter->Append( *chapter.sub_chapters[i] );
2982         }
2983         else
2984         {
2985             sub_chapters.push_back( chapter.sub_chapters[i] );
2986         }
2987     }
2988
2989     i_user_start_time = min( i_user_start_time, chapter.i_user_start_time );
2990     i_user_end_time = max( i_user_end_time, chapter.i_user_end_time );
2991 }
2992
2993 chapter_item_c * chapter_item_c::FindChapter( int64_t i_find_uid )
2994 {
2995     size_t i;
2996     chapter_item_c *p_result = NULL;
2997
2998     if ( i_uid == i_find_uid )
2999         return this;
3000
3001     for ( i=0; i<sub_chapters.size(); i++)
3002     {
3003         p_result = sub_chapters[i]->FindChapter( i_find_uid );
3004         if ( p_result != NULL )
3005             break;
3006     }
3007     return p_result;
3008 }
3009
3010 std::string chapter_item_c::GetCodecName( bool f_for_title ) const
3011 {
3012     std::string result;
3013
3014     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
3015     while ( index != codecs.end() )
3016     {
3017         result = (*index)->GetCodecName( f_for_title );
3018         if ( result != "" )
3019             break;
3020         index++;
3021     }
3022
3023     return result;
3024 }
3025
3026 std::string dvd_chapter_codec_c::GetCodecName( bool f_for_title ) const
3027 {
3028     std::string result;
3029     if ( p_private_data->GetSize() >= 3)
3030     {
3031         const binary* p_data = p_private_data->GetBuffer();
3032 /*        if ( p_data[0] == MATROSKA_DVD_LEVEL_TT )
3033         {
3034             uint16_t i_title = (p_data[1] << 8) + p_data[2];
3035             char psz_str[11];
3036             sprintf( psz_str, " %d  ---", i_title );
3037             result = N_("---  DVD Title");
3038             result += psz_str;
3039         }
3040         else */ if ( p_data[0] == MATROSKA_DVD_LEVEL_LU )
3041         {
3042             char psz_str[11];
3043             sprintf( psz_str, " (%c%c)  ---", p_data[1], p_data[2] );
3044             result = N_("---  DVD Menu");
3045             result += psz_str;
3046         }
3047         else if ( p_data[0] == MATROSKA_DVD_LEVEL_SS && f_for_title )
3048         {
3049             if ( p_data[1] == 0x00 )
3050                 result = N_("First Played");
3051             else if ( p_data[1] == 0xC0 )
3052                 result = N_("Video Manager");
3053             else if ( p_data[1] == 0x80 )
3054             {
3055                 uint16_t i_title = (p_data[2] << 8) + p_data[3];
3056                 char psz_str[20];
3057                 sprintf( psz_str, " %d -----", i_title );
3058                 result = N_("----- Title");
3059                 result += psz_str;
3060             }
3061         }
3062     }
3063
3064     return result;
3065 }
3066
3067 int16 chapter_item_c::GetTitleNumber( ) const
3068 {
3069     int result = -1;
3070
3071     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
3072     while ( index != codecs.end() )
3073     {
3074         result = (*index)->GetTitleNumber( );
3075         if ( result >= 0 )
3076             break;
3077         index++;
3078     }
3079
3080     return result;
3081 }
3082
3083 int16 dvd_chapter_codec_c::GetTitleNumber()
3084 {
3085     if ( p_private_data->GetSize() >= 3)
3086     {
3087         const binary* p_data = p_private_data->GetBuffer();
3088         if ( p_data[0] == MATROSKA_DVD_LEVEL_SS )
3089         {
3090             return int16( (p_data[2] << 8) + p_data[3] );
3091         }
3092     }
3093     return -1;
3094 }
3095
3096 static void Seek( demux_t *p_demux, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter )
3097 {
3098     demux_sys_t        *p_sys = p_demux->p_sys;
3099     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3100     matroska_segment_c *p_segment = p_vsegment->Segment();
3101     mtime_t            i_time_offset = 0;
3102
3103     int         i_index;
3104
3105     msg_Dbg( p_demux, "seek request to "I64Fd" (%f%%)", i_date, f_percent );
3106     if( i_date < 0 && f_percent < 0 )
3107     {
3108         msg_Warn( p_demux, "cannot seek nowhere !" );
3109         return;
3110     }
3111     if( f_percent > 1.0 )
3112     {
3113         msg_Warn( p_demux, "cannot seek so far !" );
3114         return;
3115     }
3116
3117     /* seek without index or without date */
3118     if( f_percent >= 0 && (config_GetInt( p_demux, "mkv-seek-percent" ) || !p_segment->b_cues || i_date < 0 ))
3119     {
3120         if (p_sys->f_duration >= 0)
3121         {
3122             i_date = int64_t( f_percent * p_sys->f_duration * 1000.0 );
3123         }
3124         else
3125         {
3126             int64_t i_pos = int64_t( f_percent * stream_Size( p_demux->s ) );
3127
3128             msg_Dbg( p_demux, "inacurate way of seeking" );
3129             for( i_index = 0; i_index < p_segment->i_index; i_index++ )
3130             {
3131                 if( p_segment->p_indexes[i_index].i_position >= i_pos)
3132                 {
3133                     break;
3134                 }
3135             }
3136             if( i_index == p_segment->i_index )
3137             {
3138                 i_index--;
3139             }
3140
3141             i_date = p_segment->p_indexes[i_index].i_time;
3142
3143 #if 0
3144             if( p_segment->p_indexes[i_index].i_position < i_pos )
3145             {
3146                 EbmlElement *el;
3147
3148                 msg_Warn( p_demux, "searching for cluster, could take some time" );
3149
3150                 /* search a cluster */
3151                 while( ( el = p_sys->ep->Get() ) != NULL )
3152                 {
3153                     if( MKV_IS_ID( el, KaxCluster ) )
3154                     {
3155                         KaxCluster *cluster = (KaxCluster*)el;
3156
3157                         /* add it to the index */
3158                         p_segment->IndexAppendCluster( cluster );
3159
3160                         if( (int64_t)cluster->GetElementPosition() >= i_pos )
3161                         {
3162                             p_sys->cluster = cluster;
3163                             p_sys->ep->Down();
3164                             break;
3165                         }
3166                     }
3167                 }
3168             }
3169 #endif
3170         }
3171     }
3172
3173     p_vsegment->Seek( *p_demux, i_date, i_time_offset, psz_chapter );
3174 }
3175
3176 /*****************************************************************************
3177  * Demux: reads and demuxes data packets
3178  *****************************************************************************
3179  * Returns -1 in case of error, 0 in case of EOF, 1 otherwise
3180  *****************************************************************************/
3181 static int Demux( demux_t *p_demux)
3182 {
3183     demux_sys_t        *p_sys = p_demux->p_sys;
3184
3185     vlc_mutex_lock( &p_sys->lock_demuxer );
3186
3187     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3188     matroska_segment_c *p_segment = p_vsegment->Segment();
3189     if ( p_segment == NULL ) return 0;
3190     int                i_block_count = 0;
3191     int                i_return = 0;
3192
3193     for( ;; )
3194     {
3195         if ( p_sys->demuxer.b_die )
3196             break;
3197
3198         if( p_sys->i_pts >= p_sys->i_start_pts  )
3199             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3200             {
3201                 i_return = 1;
3202                 break;
3203             }
3204
3205         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3206         {
3207             /* nothing left to read in this ordered edition */
3208             if ( !p_vsegment->SelectNext() )
3209                 break;
3210             p_segment->UnSelect( );
3211
3212             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3213
3214             /* switch to the next segment */
3215             p_segment = p_vsegment->Segment();
3216             if ( !p_segment->Select( 0 ) )
3217             {
3218                 msg_Err( p_demux, "Failed to select new segment" );
3219                 break;
3220             }
3221             continue;
3222         }
3223
3224         KaxBlock *block;
3225         int64_t i_block_duration = 0;
3226         int64_t i_block_ref1;
3227         int64_t i_block_ref2;
3228
3229         if( p_segment->BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
3230         {
3231             if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered )
3232             {
3233                 const chapter_item_c *p_chap = p_vsegment->CurrentChapter();
3234                 // check if there are more chapters to read
3235                 if ( p_chap != NULL )
3236                 {
3237                     /* TODO handle successive chapters with the same user_start_time/user_end_time
3238                     if ( p_chap->i_user_start_time == p_chap->i_user_start_time )
3239                         p_vsegment->SelectNext();
3240                     */
3241                     p_sys->i_pts = p_chap->i_user_end_time;
3242                     p_sys->i_pts++; // trick to avoid staying on segments with no duration and no content
3243
3244                     i_return = 1;
3245                 }
3246
3247                 break;
3248             }
3249             else
3250             {
3251                 msg_Warn( p_demux, "cannot get block EOF?" );
3252                 p_segment->UnSelect( );
3253
3254                 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3255
3256                 /* switch to the next segment */
3257                 if ( !p_vsegment->SelectNext() )
3258                     // no more segments in this stream
3259                     break;
3260                 p_segment = p_vsegment->Segment();
3261                 if ( !p_segment->Select( 0 ) )
3262                 {
3263                     msg_Err( p_demux, "Failed to select new segment" );
3264                     break;
3265                 }
3266
3267                 continue;
3268             }
3269         }
3270
3271         p_sys->i_pts = (p_sys->i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
3272
3273         if( p_sys->i_pts >= p_sys->i_start_pts  )
3274         {
3275             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pts );
3276
3277             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3278             {
3279                 i_return = 1;
3280                 delete block;
3281                 break;
3282             }
3283         }
3284
3285         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3286         {
3287             /* nothing left to read in this ordered edition */
3288             if ( !p_vsegment->SelectNext() )
3289             {
3290                 delete block;
3291                 break;
3292             }
3293             p_segment->UnSelect( );
3294
3295             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3296
3297             /* switch to the next segment */
3298             p_segment = p_vsegment->Segment();
3299             if ( !p_segment->Select( 0 ) )
3300             {
3301                 msg_Err( p_demux, "Failed to select new segment" );
3302                 delete block;
3303                 break;
3304             }
3305             delete block;
3306             continue;
3307         }
3308
3309         BlockDecode( p_demux, block, p_sys->i_pts, i_block_duration, i_block_ref1 >= 0 || i_block_ref2 > 0 );
3310
3311         delete block;
3312         i_block_count++;
3313
3314         // TODO optimize when there is need to leave or when seeking has been called
3315         if( i_block_count > 5 )
3316         {
3317             i_return = 1;
3318             break;
3319         }
3320     }
3321
3322     vlc_mutex_unlock( &p_sys->lock_demuxer );
3323
3324     return i_return;
3325 }
3326
3327
3328
3329 /*****************************************************************************
3330  * Stream managment
3331  *****************************************************************************/
3332 vlc_stream_io_callback::vlc_stream_io_callback( stream_t *s_, vlc_bool_t b_owner_ )
3333 {
3334     s = s_;
3335     b_owner = b_owner_;
3336     mb_eof = VLC_FALSE;
3337 }
3338
3339 uint32 vlc_stream_io_callback::read( void *p_buffer, size_t i_size )
3340 {
3341     if( i_size <= 0 || mb_eof )
3342     {
3343         return 0;
3344     }
3345
3346     return stream_Read( s, p_buffer, i_size );
3347 }
3348 void vlc_stream_io_callback::setFilePointer(int64_t i_offset, seek_mode mode )
3349 {
3350     int64_t i_pos;
3351
3352     switch( mode )
3353     {
3354         case seek_beginning:
3355             i_pos = i_offset;
3356             break;
3357         case seek_end:
3358             i_pos = stream_Size( s ) - i_offset;
3359             break;
3360         default:
3361             i_pos= stream_Tell( s ) + i_offset;
3362             break;
3363     }
3364
3365     if( i_pos < 0 || i_pos >= stream_Size( s ) )
3366     {
3367         mb_eof = VLC_TRUE;
3368         return;
3369     }
3370
3371     mb_eof = VLC_FALSE;
3372     if( stream_Seek( s, i_pos ) )
3373     {
3374         mb_eof = VLC_TRUE;
3375     }
3376     return;
3377 }
3378 size_t vlc_stream_io_callback::write( const void *p_buffer, size_t i_size )
3379 {
3380     return 0;
3381 }
3382 uint64 vlc_stream_io_callback::getFilePointer( void )
3383 {
3384     if ( s == NULL )
3385         return 0;
3386     return stream_Tell( s );
3387 }
3388 void vlc_stream_io_callback::close( void )
3389 {
3390     return;
3391 }
3392
3393
3394 /*****************************************************************************
3395  * Ebml Stream parser
3396  *****************************************************************************/
3397 EbmlParser::EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux )
3398 {
3399     int i;
3400
3401     m_es = es;
3402     m_got = NULL;
3403     m_el[0] = el_start;
3404     mi_remain_size[0] = el_start->GetSize();
3405
3406     for( i = 1; i < 6; i++ )
3407     {
3408         m_el[i] = NULL;
3409     }
3410     mi_level = 1;
3411     mi_user_level = 1;
3412     mb_keep = VLC_FALSE;
3413     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3414 }
3415
3416 EbmlParser::~EbmlParser( void )
3417 {
3418     int i;
3419
3420     for( i = 1; i < mi_level; i++ )
3421     {
3422         if( !mb_keep )
3423         {
3424             delete m_el[i];
3425         }
3426         mb_keep = VLC_FALSE;
3427     }
3428 }
3429
3430 EbmlElement* EbmlParser::UnGet( uint64 i_block_pos, uint64 i_cluster_pos )
3431 {
3432     if ( mi_user_level > mi_level )
3433     {
3434         while ( mi_user_level != mi_level )
3435         {
3436             delete m_el[mi_user_level];
3437             m_el[mi_user_level] = NULL;
3438             mi_user_level--;
3439         }
3440     }
3441     m_got = NULL;
3442     mb_keep = VLC_FALSE;
3443     if ( m_el[1]->GetElementPosition() == i_cluster_pos )
3444     {
3445         m_es->I_O().setFilePointer( i_block_pos, seek_beginning );
3446         return (EbmlMaster*) m_el[1];
3447     }
3448     else
3449     {
3450         // seek to the previous Cluster
3451         m_es->I_O().setFilePointer( i_cluster_pos, seek_beginning );
3452         mi_level--;
3453         mi_user_level--;
3454         delete m_el[mi_level];
3455         m_el[mi_level] = NULL;
3456         return NULL;
3457     }
3458 }
3459
3460 void EbmlParser::Up( void )
3461 {
3462     if( mi_user_level == mi_level )
3463     {
3464         fprintf( stderr," arrrrrrrrrrrrrg Up cannot escape itself\n" );
3465     }
3466
3467     mi_user_level--;
3468 }
3469
3470 void EbmlParser::Down( void )
3471 {
3472     mi_user_level++;
3473     mi_level++;
3474 }
3475
3476 void EbmlParser::Keep( void )
3477 {
3478     mb_keep = VLC_TRUE;
3479 }
3480
3481 int EbmlParser::GetLevel( void )
3482 {
3483     return mi_user_level;
3484 }
3485
3486 void EbmlParser::Reset( demux_t *p_demux )
3487 {
3488     while ( mi_level > 0)
3489     {
3490         delete m_el[mi_level];
3491         m_el[mi_level] = NULL;
3492         mi_level--;
3493     }
3494     mi_user_level = mi_level = 1;
3495 #if LIBEBML_VERSION >= 0x000704
3496     // a little faster and cleaner
3497     m_es->I_O().setFilePointer( static_cast<KaxSegment*>(m_el[0])->GetGlobalPosition(0) );
3498 #else
3499     m_es->I_O().setFilePointer( m_el[0]->GetElementPosition() + m_el[0]->ElementSize(true) - m_el[0]->GetSize() );
3500 #endif
3501     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3502 }
3503
3504 EbmlElement *EbmlParser::Get( void )
3505 {
3506     int i_ulev = 0;
3507
3508     if( mi_user_level != mi_level )
3509     {
3510         return NULL;
3511     }
3512     if( m_got )
3513     {
3514         EbmlElement *ret = m_got;
3515         m_got = NULL;
3516
3517         return ret;
3518     }
3519
3520     if( m_el[mi_level] )
3521     {
3522         m_el[mi_level]->SkipData( *m_es, m_el[mi_level]->Generic().Context );
3523         if( !mb_keep )
3524         {
3525             delete m_el[mi_level];
3526         }
3527         mb_keep = VLC_FALSE;
3528     }
3529
3530     m_el[mi_level] = m_es->FindNextElement( m_el[mi_level - 1]->Generic().Context, i_ulev, 0xFFFFFFFFL, mb_dummy != 0, 1 );
3531 //    mi_remain_size[mi_level] = m_el[mi_level]->GetSize();
3532     if( i_ulev > 0 )
3533     {
3534         while( i_ulev > 0 )
3535         {
3536             if( mi_level == 1 )
3537             {
3538                 mi_level = 0;
3539                 return NULL;
3540             }
3541
3542             delete m_el[mi_level - 1];
3543             m_got = m_el[mi_level -1] = m_el[mi_level];
3544             m_el[mi_level] = NULL;
3545
3546             mi_level--;
3547             i_ulev--;
3548         }
3549         return NULL;
3550     }
3551     else if( m_el[mi_level] == NULL )
3552     {
3553         fprintf( stderr," m_el[mi_level] == NULL\n" );
3554     }
3555
3556     return m_el[mi_level];
3557 }
3558
3559
3560 /*****************************************************************************
3561  * Tools
3562  *  * LoadCues : load the cues element and update index
3563  *
3564  *  * LoadTags : load ... the tags element
3565  *
3566  *  * InformationCreate : create all information, load tags if present
3567  *
3568  *****************************************************************************/
3569 void matroska_segment_c::LoadCues( )
3570 {
3571     int64_t     i_sav_position = es.I_O().getFilePointer();
3572     EbmlParser  *ep;
3573     EbmlElement *el, *cues;
3574
3575     /* *** Load the cue if found *** */
3576     if( i_cues_position < 0 )
3577     {
3578         msg_Warn( &sys.demuxer, "no cues/empty cues found->seek won't be precise" );
3579
3580 //        IndexAppendCluster( cluster );
3581     }
3582
3583     vlc_bool_t b_seekable;
3584
3585     stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
3586     if( !b_seekable )
3587         return;
3588
3589     msg_Dbg( &sys.demuxer, "loading cues" );
3590     es.I_O().setFilePointer( i_cues_position, seek_beginning );
3591     cues = es.FindNextID( KaxCues::ClassInfos, 0xFFFFFFFFL);
3592
3593     if( cues == NULL )
3594     {
3595         msg_Err( &sys.demuxer, "cannot load cues (broken seekhead or file)" );
3596         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3597         return;
3598     }
3599
3600     ep = new EbmlParser( &es, cues, &sys.demuxer );
3601     while( ( el = ep->Get() ) != NULL )
3602     {
3603         if( MKV_IS_ID( el, KaxCuePoint ) )
3604         {
3605 #define idx p_indexes[i_index]
3606
3607             idx.i_track       = -1;
3608             idx.i_block_number= -1;
3609             idx.i_position    = -1;
3610             idx.i_time        = 0;
3611             idx.b_key         = VLC_TRUE;
3612
3613             ep->Down();
3614             while( ( el = ep->Get() ) != NULL )
3615             {
3616                 if( MKV_IS_ID( el, KaxCueTime ) )
3617                 {
3618                     KaxCueTime &ctime = *(KaxCueTime*)el;
3619
3620                     ctime.ReadData( es.I_O() );
3621
3622                     idx.i_time = uint64( ctime ) * i_timescale / (mtime_t)1000;
3623                 }
3624                 else if( MKV_IS_ID( el, KaxCueTrackPositions ) )
3625                 {
3626                     ep->Down();
3627                     while( ( el = ep->Get() ) != NULL )
3628                     {
3629                         if( MKV_IS_ID( el, KaxCueTrack ) )
3630                         {
3631                             KaxCueTrack &ctrack = *(KaxCueTrack*)el;
3632
3633                             ctrack.ReadData( es.I_O() );
3634                             idx.i_track = uint16( ctrack );
3635                         }
3636                         else if( MKV_IS_ID( el, KaxCueClusterPosition ) )
3637                         {
3638                             KaxCueClusterPosition &ccpos = *(KaxCueClusterPosition*)el;
3639
3640                             ccpos.ReadData( es.I_O() );
3641                             idx.i_position = segment->GetGlobalPosition( uint64( ccpos ) );
3642                         }
3643                         else if( MKV_IS_ID( el, KaxCueBlockNumber ) )
3644                         {
3645                             KaxCueBlockNumber &cbnum = *(KaxCueBlockNumber*)el;
3646
3647                             cbnum.ReadData( es.I_O() );
3648                             idx.i_block_number = uint32( cbnum );
3649                         }
3650                         else
3651                         {
3652                             msg_Dbg( &sys.demuxer, "         * Unknown (%s)", typeid(*el).name() );
3653                         }
3654                     }
3655                     ep->Up();
3656                 }
3657                 else
3658                 {
3659                     msg_Dbg( &sys.demuxer, "     * Unknown (%s)", typeid(*el).name() );
3660                 }
3661             }
3662             ep->Up();
3663
3664 #if 0
3665             msg_Dbg( &sys.demuxer, " * added time="I64Fd" pos="I64Fd
3666                      " track=%d bnum=%d", idx.i_time, idx.i_position,
3667                      idx.i_track, idx.i_block_number );
3668 #endif
3669
3670             i_index++;
3671             if( i_index >= i_index_max )
3672             {
3673                 i_index_max += 1024;
3674                 p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
3675             }
3676 #undef idx
3677         }
3678         else
3679         {
3680             msg_Dbg( &sys.demuxer, " * Unknown (%s)", typeid(*el).name() );
3681         }
3682     }
3683     delete ep;
3684     delete cues;
3685
3686     b_cues = VLC_TRUE;
3687
3688     msg_Dbg( &sys.demuxer, "loading cues done." );
3689     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3690 }
3691
3692 void matroska_segment_c::LoadTags( )
3693 {
3694     int64_t     i_sav_position = es.I_O().getFilePointer();
3695     EbmlParser  *ep;
3696     EbmlElement *el, *tags;
3697
3698     msg_Dbg( &sys.demuxer, "loading tags" );
3699     es.I_O().setFilePointer( i_tags_position, seek_beginning );
3700     tags = es.FindNextID( KaxTags::ClassInfos, 0xFFFFFFFFL);
3701
3702     if( tags == NULL )
3703     {
3704         msg_Err( &sys.demuxer, "cannot load tags (broken seekhead or file)" );
3705         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3706         return;
3707     }
3708
3709     msg_Dbg( &sys.demuxer, "Tags" );
3710     ep = new EbmlParser( &es, tags, &sys.demuxer );
3711     while( ( el = ep->Get() ) != NULL )
3712     {
3713         if( MKV_IS_ID( el, KaxTag ) )
3714         {
3715             msg_Dbg( &sys.demuxer, "+ Tag" );
3716             ep->Down();
3717             while( ( el = ep->Get() ) != NULL )
3718             {
3719                 if( MKV_IS_ID( el, KaxTagTargets ) )
3720                 {
3721                     msg_Dbg( &sys.demuxer, "|   + Targets" );
3722                     ep->Down();
3723                     while( ( el = ep->Get() ) != NULL )
3724                     {
3725                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3726                     }
3727                     ep->Up();
3728                 }
3729                 else if( MKV_IS_ID( el, KaxTagGeneral ) )
3730                 {
3731                     msg_Dbg( &sys.demuxer, "|   + General" );
3732                     ep->Down();
3733                     while( ( el = ep->Get() ) != NULL )
3734                     {
3735                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3736                     }
3737                     ep->Up();
3738                 }
3739                 else if( MKV_IS_ID( el, KaxTagGenres ) )
3740                 {
3741                     msg_Dbg( &sys.demuxer, "|   + Genres" );
3742                     ep->Down();
3743                     while( ( el = ep->Get() ) != NULL )
3744                     {
3745                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3746                     }
3747                     ep->Up();
3748                 }
3749                 else if( MKV_IS_ID( el, KaxTagAudioSpecific ) )
3750                 {
3751                     msg_Dbg( &sys.demuxer, "|   + Audio Specific" );
3752                     ep->Down();
3753                     while( ( el = ep->Get() ) != NULL )
3754                     {
3755                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3756                     }
3757                     ep->Up();
3758                 }
3759                 else if( MKV_IS_ID( el, KaxTagImageSpecific ) )
3760                 {
3761                     msg_Dbg( &sys.demuxer, "|   + Images Specific" );
3762                     ep->Down();
3763                     while( ( el = ep->Get() ) != NULL )
3764                     {
3765                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3766                     }
3767                     ep->Up();
3768                 }
3769                 else if( MKV_IS_ID( el, KaxTagMultiComment ) )
3770                 {
3771                     msg_Dbg( &sys.demuxer, "|   + Multi Comment" );
3772                 }
3773                 else if( MKV_IS_ID( el, KaxTagMultiCommercial ) )
3774                 {
3775                     msg_Dbg( &sys.demuxer, "|   + Multi Commercial" );
3776                 }
3777                 else if( MKV_IS_ID( el, KaxTagMultiDate ) )
3778                 {
3779                     msg_Dbg( &sys.demuxer, "|   + Multi Date" );
3780                 }
3781                 else if( MKV_IS_ID( el, KaxTagMultiEntity ) )
3782                 {
3783                     msg_Dbg( &sys.demuxer, "|   + Multi Entity" );
3784                 }
3785                 else if( MKV_IS_ID( el, KaxTagMultiIdentifier ) )
3786                 {
3787                     msg_Dbg( &sys.demuxer, "|   + Multi Identifier" );
3788                 }
3789                 else if( MKV_IS_ID( el, KaxTagMultiLegal ) )
3790                 {
3791                     msg_Dbg( &sys.demuxer, "|   + Multi Legal" );
3792                 }
3793                 else if( MKV_IS_ID( el, KaxTagMultiTitle ) )
3794                 {
3795                     msg_Dbg( &sys.demuxer, "|   + Multi Title" );
3796                 }
3797                 else
3798                 {
3799                     msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid( *el ).name() );
3800                 }
3801             }
3802             ep->Up();
3803         }
3804         else
3805         {
3806             msg_Dbg( &sys.demuxer, "+ Unknown (%s)", typeid( *el ).name() );
3807         }
3808     }
3809     delete ep;
3810     delete tags;
3811
3812     msg_Dbg( &sys.demuxer, "loading tags done." );
3813     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3814 }
3815
3816 /*****************************************************************************
3817  * ParseSeekHead:
3818  *****************************************************************************/
3819 void matroska_segment_c::ParseSeekHead( KaxSeekHead *seekhead )
3820 {
3821     EbmlElement *el;
3822     size_t i, j;
3823     int i_upper_level = 0;
3824
3825     msg_Dbg( &sys.demuxer, "|   + Seek head" );
3826
3827     /* Master elements */
3828     seekhead->Read( es, seekhead->Generic().Context, i_upper_level, el, true );
3829
3830     for( i = 0; i < seekhead->ListSize(); i++ )
3831     {
3832         EbmlElement *l = (*seekhead)[i];
3833
3834         if( MKV_IS_ID( l, KaxSeek ) )
3835         {
3836             EbmlMaster *sk = static_cast<EbmlMaster *>(l);
3837             EbmlId id = EbmlVoid::ClassInfos.GlobalId;
3838             int64_t i_pos = -1;
3839
3840             for( j = 0; j < sk->ListSize(); j++ )
3841             {
3842                 EbmlElement *l = (*sk)[j];
3843
3844                 if( MKV_IS_ID( l, KaxSeekID ) )
3845                 {
3846                     KaxSeekID &sid = *(KaxSeekID*)l;
3847                     id = EbmlId( sid.GetBuffer(), sid.GetSize() );
3848                 }
3849                 else if( MKV_IS_ID( l, KaxSeekPosition ) )
3850                 {
3851                     KaxSeekPosition &spos = *(KaxSeekPosition*)l;
3852                     i_pos = uint64( spos );
3853                 }
3854                 else
3855                 {
3856                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
3857                 }
3858             }
3859
3860             if( i_pos >= 0 )
3861             {
3862                 if( id == KaxCues::ClassInfos.GlobalId )
3863                 {
3864                     msg_Dbg( &sys.demuxer, "|   |   |   = cues at "I64Fd, i_pos );
3865                     i_cues_position = segment->GetGlobalPosition( i_pos );
3866                 }
3867                 else if( id == KaxChapters::ClassInfos.GlobalId )
3868                 {
3869                     msg_Dbg( &sys.demuxer, "|   |   |   = chapters at "I64Fd, i_pos );
3870                     i_chapters_position = segment->GetGlobalPosition( i_pos );
3871                 }
3872                 else if( id == KaxTags::ClassInfos.GlobalId )
3873                 {
3874                     msg_Dbg( &sys.demuxer, "|   |   |   = tags at "I64Fd, i_pos );
3875                     i_tags_position = segment->GetGlobalPosition( i_pos );
3876                 }
3877             }
3878         }
3879         else
3880         {
3881             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
3882         }
3883     }
3884 }
3885
3886 /*****************************************************************************
3887  * ParseTrackEntry:
3888  *****************************************************************************/
3889 void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
3890 {
3891     size_t i, j, k, n;
3892
3893     mkv_track_t *tk;
3894
3895     msg_Dbg( &sys.demuxer, "|   |   + Track Entry" );
3896
3897     tk = new mkv_track_t();
3898     tracks.push_back( tk );
3899
3900     /* Init the track */
3901     memset( tk, 0, sizeof( mkv_track_t ) );
3902
3903     es_format_Init( &tk->fmt, UNKNOWN_ES, 0 );
3904     tk->fmt.psz_language = strdup("English");
3905     tk->fmt.psz_description = NULL;
3906
3907     tk->b_default = VLC_TRUE;
3908     tk->b_enabled = VLC_TRUE;
3909     tk->b_silent = VLC_FALSE;
3910     tk->i_number = tracks.size() - 1;
3911     tk->i_extra_data = 0;
3912     tk->p_extra_data = NULL;
3913     tk->psz_codec = NULL;
3914     tk->i_default_duration = 0;
3915     tk->f_timecodescale = 1.0;
3916
3917     tk->b_inited = VLC_FALSE;
3918     tk->i_data_init = 0;
3919     tk->p_data_init = NULL;
3920
3921     tk->psz_codec_name = NULL;
3922     tk->psz_codec_settings = NULL;
3923     tk->psz_codec_info_url = NULL;
3924     tk->psz_codec_download_url = NULL;
3925
3926     tk->i_compression_type = MATROSKA_COMPRESSION_NONE;
3927
3928     for( i = 0; i < m->ListSize(); i++ )
3929     {
3930         EbmlElement *l = (*m)[i];
3931
3932         if( MKV_IS_ID( l, KaxTrackNumber ) )
3933         {
3934             KaxTrackNumber &tnum = *(KaxTrackNumber*)l;
3935
3936             tk->i_number = uint32( tnum );
3937             msg_Dbg( &sys.demuxer, "|   |   |   + Track Number=%u", uint32( tnum ) );
3938         }
3939         else  if( MKV_IS_ID( l, KaxTrackUID ) )
3940         {
3941             KaxTrackUID &tuid = *(KaxTrackUID*)l;
3942
3943             msg_Dbg( &sys.demuxer, "|   |   |   + Track UID=%u",  uint32( tuid ) );
3944         }
3945         else  if( MKV_IS_ID( l, KaxTrackType ) )
3946         {
3947             char *psz_type;
3948             KaxTrackType &ttype = *(KaxTrackType*)l;
3949
3950             switch( uint8(ttype) )
3951             {
3952                 case track_audio:
3953                     psz_type = "audio";
3954                     tk->fmt.i_cat = AUDIO_ES;
3955                     break;
3956                 case track_video:
3957                     psz_type = "video";
3958                     tk->fmt.i_cat = VIDEO_ES;
3959                     break;
3960                 case track_subtitle:
3961                     psz_type = "subtitle";
3962                     tk->fmt.i_cat = SPU_ES;
3963                     break;
3964                 case track_buttons:
3965                     psz_type = "buttons";
3966                     tk->fmt.i_cat = SPU_ES;
3967                     break;
3968                 default:
3969                     psz_type = "unknown";
3970                     tk->fmt.i_cat = UNKNOWN_ES;
3971                     break;
3972             }
3973
3974             msg_Dbg( &sys.demuxer, "|   |   |   + Track Type=%s", psz_type );
3975         }
3976 //        else  if( EbmlId( *l ) == KaxTrackFlagEnabled::ClassInfos.GlobalId )
3977 //        {
3978 //            KaxTrackFlagEnabled &fenb = *(KaxTrackFlagEnabled*)l;
3979
3980 //            tk->b_enabled = uint32( fenb );
3981 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Enabled=%u",
3982 //                     uint32( fenb )  );
3983 //        }
3984         else  if( MKV_IS_ID( l, KaxTrackFlagDefault ) )
3985         {
3986             KaxTrackFlagDefault &fdef = *(KaxTrackFlagDefault*)l;
3987
3988             tk->b_default = uint32( fdef );
3989             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default=%u", uint32( fdef )  );
3990         }
3991         else  if( MKV_IS_ID( l, KaxTrackFlagLacing ) )
3992         {
3993             KaxTrackFlagLacing &lac = *(KaxTrackFlagLacing*)l;
3994
3995             msg_Dbg( &sys.demuxer, "|   |   |   + Track Lacing=%d", uint32( lac ) );
3996         }
3997         else  if( MKV_IS_ID( l, KaxTrackMinCache ) )
3998         {
3999             KaxTrackMinCache &cmin = *(KaxTrackMinCache*)l;
4000
4001             msg_Dbg( &sys.demuxer, "|   |   |   + Track MinCache=%d", uint32( cmin ) );
4002         }
4003         else  if( MKV_IS_ID( l, KaxTrackMaxCache ) )
4004         {
4005             KaxTrackMaxCache &cmax = *(KaxTrackMaxCache*)l;
4006
4007             msg_Dbg( &sys.demuxer, "|   |   |   + Track MaxCache=%d", uint32( cmax ) );
4008         }
4009         else  if( MKV_IS_ID( l, KaxTrackDefaultDuration ) )
4010         {
4011             KaxTrackDefaultDuration &defd = *(KaxTrackDefaultDuration*)l;
4012
4013             tk->i_default_duration = uint64(defd);
4014             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default Duration="I64Fd, uint64(defd) );
4015         }
4016         else  if( MKV_IS_ID( l, KaxTrackTimecodeScale ) )
4017         {
4018             KaxTrackTimecodeScale &ttcs = *(KaxTrackTimecodeScale*)l;
4019
4020             tk->f_timecodescale = float( ttcs );
4021             msg_Dbg( &sys.demuxer, "|   |   |   + Track TimeCodeScale=%f", tk->f_timecodescale );
4022         }
4023         else if( MKV_IS_ID( l, KaxTrackName ) )
4024         {
4025             KaxTrackName &tname = *(KaxTrackName*)l;
4026
4027             tk->fmt.psz_description = ToUTF8( UTFstring( tname ) );
4028             msg_Dbg( &sys.demuxer, "|   |   |   + Track Name=%s", tk->fmt.psz_description );
4029         }
4030         else  if( MKV_IS_ID( l, KaxTrackLanguage ) )
4031         {
4032             KaxTrackLanguage &lang = *(KaxTrackLanguage*)l;
4033
4034             if ( tk->fmt.psz_language != NULL )
4035                 free( tk->fmt.psz_language );
4036             tk->fmt.psz_language = strdup( string( lang ).c_str() );
4037             msg_Dbg( &sys.demuxer,
4038                      "|   |   |   + Track Language=`%s'", tk->fmt.psz_language );
4039         }
4040         else  if( MKV_IS_ID( l, KaxCodecID ) )
4041         {
4042             KaxCodecID &codecid = *(KaxCodecID*)l;
4043
4044             tk->psz_codec = strdup( string( codecid ).c_str() );
4045             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecId=%s", string( codecid ).c_str() );
4046         }
4047         else  if( MKV_IS_ID( l, KaxCodecPrivate ) )
4048         {
4049             KaxCodecPrivate &cpriv = *(KaxCodecPrivate*)l;
4050
4051             tk->i_extra_data = cpriv.GetSize();
4052             if( tk->i_extra_data > 0 )
4053             {
4054                 tk->p_extra_data = (uint8_t*)malloc( tk->i_extra_data );
4055                 memcpy( tk->p_extra_data, cpriv.GetBuffer(), tk->i_extra_data );
4056             }
4057             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecPrivate size="I64Fd, cpriv.GetSize() );
4058         }
4059         else if( MKV_IS_ID( l, KaxCodecName ) )
4060         {
4061             KaxCodecName &cname = *(KaxCodecName*)l;
4062
4063             tk->psz_codec_name = ToUTF8( UTFstring( cname ) );
4064             msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Name=%s", tk->psz_codec_name );
4065         }
4066         else if( MKV_IS_ID( l, KaxContentEncodings ) )
4067         {
4068             EbmlMaster *cencs = static_cast<EbmlMaster*>(l);
4069             MkvTree( sys.demuxer, 3, "Content Encodings" );
4070             for( j = 0; j < cencs->ListSize(); j++ )
4071             {
4072                 EbmlElement *l2 = (*cencs)[j];
4073                 if( MKV_IS_ID( l2, KaxContentEncoding ) )
4074                 {
4075                     MkvTree( sys.demuxer, 4, "Content Encoding" );
4076                     EbmlMaster *cenc = static_cast<EbmlMaster*>(l2);
4077                     for( k = 0; k < cenc->ListSize(); k++ )
4078                     {
4079                         EbmlElement *l3 = (*cenc)[k];
4080                         if( MKV_IS_ID( l3, KaxContentEncodingOrder ) )
4081                         {
4082                             KaxContentEncodingOrder &encord = *(KaxContentEncodingOrder*)l3;
4083                             MkvTree( sys.demuxer, 5, "Order: %i", uint32( encord ) );
4084                         }
4085                         else if( MKV_IS_ID( l3, KaxContentEncodingScope ) )
4086                         {
4087                             KaxContentEncodingScope &encscope = *(KaxContentEncodingScope*)l3;
4088                             MkvTree( sys.demuxer, 5, "Scope: %i", uint32( encscope ) );
4089                         }
4090                         else if( MKV_IS_ID( l3, KaxContentEncodingType ) )
4091                         {
4092                             KaxContentEncodingType &enctype = *(KaxContentEncodingType*)l3;
4093                             MkvTree( sys.demuxer, 5, "Type: %i", uint32( enctype ) );
4094                         }
4095                         else if( MKV_IS_ID( l3, KaxContentCompression ) )
4096                         {
4097                             EbmlMaster *compr = static_cast<EbmlMaster*>(l3);
4098                             MkvTree( sys.demuxer, 5, "Content Compression" );
4099                             for( n = 0; n < compr->ListSize(); n++ )
4100                             {
4101                                 EbmlElement *l4 = (*compr)[n];
4102                                 if( MKV_IS_ID( l4, KaxContentCompAlgo ) )
4103                                 {
4104                                     KaxContentCompAlgo &compalg = *(KaxContentCompAlgo*)l4;
4105                                     MkvTree( sys.demuxer, 6, "Compression Algorithm: %i", uint32(compalg) );
4106                                     if( uint32( compalg ) == 0 )
4107                                     {
4108                                         tk->i_compression_type = MATROSKA_COMPRESSION_ZLIB;
4109                                     }
4110                                 }
4111                                 else
4112                                 {
4113                                     MkvTree( sys.demuxer, 6, "Unknown (%s)", typeid(*l4).name() );
4114                                 }
4115                             }
4116                         }
4117
4118                         else
4119                         {
4120                             MkvTree( sys.demuxer, 5, "Unknown (%s)", typeid(*l3).name() );
4121                         }
4122                     }
4123
4124                 }
4125                 else
4126                 {
4127                     MkvTree( sys.demuxer, 4, "Unknown (%s)", typeid(*l2).name() );
4128                 }
4129             }
4130
4131         }
4132 //        else if( EbmlId( *l ) == KaxCodecSettings::ClassInfos.GlobalId )
4133 //        {
4134 //            KaxCodecSettings &cset = *(KaxCodecSettings*)l;
4135
4136 //            tk->psz_codec_settings = ToUTF8( UTFstring( cset ) );
4137 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Settings=%s", tk->psz_codec_settings );
4138 //        }
4139 //        else if( EbmlId( *l ) == KaxCodecInfoURL::ClassInfos.GlobalId )
4140 //        {
4141 //            KaxCodecInfoURL &ciurl = *(KaxCodecInfoURL*)l;
4142
4143 //            tk->psz_codec_info_url = strdup( string( ciurl ).c_str() );
4144 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_info_url );
4145 //        }
4146 //        else if( EbmlId( *l ) == KaxCodecDownloadURL::ClassInfos.GlobalId )
4147 //        {
4148 //            KaxCodecDownloadURL &cdurl = *(KaxCodecDownloadURL*)l;
4149
4150 //            tk->psz_codec_download_url = strdup( string( cdurl ).c_str() );
4151 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_download_url );
4152 //        }
4153 //        else if( EbmlId( *l ) == KaxCodecDecodeAll::ClassInfos.GlobalId )
4154 //        {
4155 //            KaxCodecDecodeAll &cdall = *(KaxCodecDecodeAll*)l;
4156
4157 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Decode All=%u <== UNUSED", uint8( cdall ) );
4158 //        }
4159 //        else if( EbmlId( *l ) == KaxTrackOverlay::ClassInfos.GlobalId )
4160 //        {
4161 //            KaxTrackOverlay &tovr = *(KaxTrackOverlay*)l;
4162
4163 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Overlay=%u <== UNUSED", uint32( tovr ) );
4164 //        }
4165         else  if( MKV_IS_ID( l, KaxTrackVideo ) )
4166         {
4167             EbmlMaster *tkv = static_cast<EbmlMaster*>(l);
4168             unsigned int j;
4169
4170             msg_Dbg( &sys.demuxer, "|   |   |   + Track Video" );
4171             tk->f_fps = 0.0;
4172
4173             tk->fmt.video.i_frame_rate_base = (unsigned int)(tk->i_default_duration / 1000);
4174             tk->fmt.video.i_frame_rate = 1000000;
4175
4176             for( j = 0; j < tkv->ListSize(); j++ )
4177             {
4178                 EbmlElement *l = (*tkv)[j];
4179 //                if( EbmlId( *el4 ) == KaxVideoFlagInterlaced::ClassInfos.GlobalId )
4180 //                {
4181 //                    KaxVideoFlagInterlaced &fint = *(KaxVideoFlagInterlaced*)el4;
4182
4183 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Interlaced=%u", uint8( fint ) );
4184 //                }
4185 //                else if( EbmlId( *el4 ) == KaxVideoStereoMode::ClassInfos.GlobalId )
4186 //                {
4187 //                    KaxVideoStereoMode &stereo = *(KaxVideoStereoMode*)el4;
4188
4189 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Stereo Mode=%u", uint8( stereo ) );
4190 //                }
4191 //                else
4192                 if( MKV_IS_ID( l, KaxVideoPixelWidth ) )
4193                 {
4194                     KaxVideoPixelWidth &vwidth = *(KaxVideoPixelWidth*)l;
4195
4196                     tk->fmt.video.i_width = uint16( vwidth );
4197                     msg_Dbg( &sys.demuxer, "|   |   |   |   + width=%d", uint16( vwidth ) );
4198                 }
4199                 else if( MKV_IS_ID( l, KaxVideoPixelHeight ) )
4200                 {
4201                     KaxVideoPixelWidth &vheight = *(KaxVideoPixelWidth*)l;
4202
4203                     tk->fmt.video.i_height = uint16( vheight );
4204                     msg_Dbg( &sys.demuxer, "|   |   |   |   + height=%d", uint16( vheight ) );
4205                 }
4206                 else if( MKV_IS_ID( l, KaxVideoDisplayWidth ) )
4207                 {
4208                     KaxVideoDisplayWidth &vwidth = *(KaxVideoDisplayWidth*)l;
4209
4210                     tk->fmt.video.i_visible_width = uint16( vwidth );
4211                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display width=%d", uint16( vwidth ) );
4212                 }
4213                 else if( MKV_IS_ID( l, KaxVideoDisplayHeight ) )
4214                 {
4215                     KaxVideoDisplayWidth &vheight = *(KaxVideoDisplayWidth*)l;
4216
4217                     tk->fmt.video.i_visible_height = uint16( vheight );
4218                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display height=%d", uint16( vheight ) );
4219                 }
4220                 else if( MKV_IS_ID( l, KaxVideoFrameRate ) )
4221                 {
4222                     KaxVideoFrameRate &vfps = *(KaxVideoFrameRate*)l;
4223
4224                     tk->f_fps = float( vfps );
4225                     msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( vfps ) );
4226                 }
4227 //                else if( EbmlId( *l ) == KaxVideoDisplayUnit::ClassInfos.GlobalId )
4228 //                {
4229 //                     KaxVideoDisplayUnit &vdmode = *(KaxVideoDisplayUnit*)l;
4230
4231 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Display Unit=%s",
4232 //                             uint8( vdmode ) == 0 ? "pixels" : ( uint8( vdmode ) == 1 ? "centimeters": "inches" ) );
4233 //                }
4234 //                else if( EbmlId( *l ) == KaxVideoAspectRatio::ClassInfos.GlobalId )
4235 //                {
4236 //                    KaxVideoAspectRatio &ratio = *(KaxVideoAspectRatio*)l;
4237
4238 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + Track Video Aspect Ratio Type=%u", uint8( ratio ) );
4239 //                }
4240 //                else if( EbmlId( *l ) == KaxVideoGamma::ClassInfos.GlobalId )
4241 //                {
4242 //                    KaxVideoGamma &gamma = *(KaxVideoGamma*)l;
4243
4244 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( gamma ) );
4245 //                }
4246                 else
4247                 {
4248                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4249                 }
4250             }
4251             if ( tk->fmt.video.i_visible_height && tk->fmt.video.i_visible_width )
4252                 tk->fmt.video.i_aspect = VOUT_ASPECT_FACTOR * tk->fmt.video.i_visible_width / tk->fmt.video.i_visible_height;
4253         }
4254         else  if( MKV_IS_ID( l, KaxTrackAudio ) )
4255         {
4256             EbmlMaster *tka = static_cast<EbmlMaster*>(l);
4257             unsigned int j;
4258
4259             msg_Dbg( &sys.demuxer, "|   |   |   + Track Audio" );
4260
4261             for( j = 0; j < tka->ListSize(); j++ )
4262             {
4263                 EbmlElement *l = (*tka)[j];
4264
4265                 if( MKV_IS_ID( l, KaxAudioSamplingFreq ) )
4266                 {
4267                     KaxAudioSamplingFreq &afreq = *(KaxAudioSamplingFreq*)l;
4268
4269                     tk->fmt.audio.i_rate = (int)float( afreq );
4270                     msg_Dbg( &sys.demuxer, "|   |   |   |   + afreq=%d", tk->fmt.audio.i_rate );
4271                 }
4272                 else if( MKV_IS_ID( l, KaxAudioChannels ) )
4273                 {
4274                     KaxAudioChannels &achan = *(KaxAudioChannels*)l;
4275
4276                     tk->fmt.audio.i_channels = uint8( achan );
4277                     msg_Dbg( &sys.demuxer, "|   |   |   |   + achan=%u", uint8( achan ) );
4278                 }
4279                 else if( MKV_IS_ID( l, KaxAudioBitDepth ) )
4280                 {
4281                     KaxAudioBitDepth &abits = *(KaxAudioBitDepth*)l;
4282
4283                     tk->fmt.audio.i_bitspersample = uint8( abits );
4284                     msg_Dbg( &sys.demuxer, "|   |   |   |   + abits=%u", uint8( abits ) );
4285                 }
4286                 else
4287                 {
4288                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4289                 }
4290             }
4291         }
4292         else
4293         {
4294             msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)",
4295                      typeid(*l).name() );
4296         }
4297     }
4298 }
4299
4300 /*****************************************************************************
4301  * ParseTracks:
4302  *****************************************************************************/
4303 void matroska_segment_c::ParseTracks( KaxTracks *tracks )
4304 {
4305     EbmlElement *el;
4306     unsigned int i;
4307     int i_upper_level = 0;
4308
4309     msg_Dbg( &sys.demuxer, "|   + Tracks" );
4310
4311     /* Master elements */
4312     tracks->Read( es, tracks->Generic().Context, i_upper_level, el, true );
4313
4314     for( i = 0; i < tracks->ListSize(); i++ )
4315     {
4316         EbmlElement *l = (*tracks)[i];
4317
4318         if( MKV_IS_ID( l, KaxTrackEntry ) )
4319         {
4320             ParseTrackEntry( static_cast<KaxTrackEntry *>(l) );
4321         }
4322         else
4323         {
4324             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4325         }
4326     }
4327 }
4328
4329 /*****************************************************************************
4330  * ParseInfo:
4331  *****************************************************************************/
4332 void matroska_segment_c::ParseInfo( KaxInfo *info )
4333 {
4334     EbmlElement *el;
4335     EbmlMaster  *m;
4336     size_t i, j;
4337     int i_upper_level = 0;
4338
4339     msg_Dbg( &sys.demuxer, "|   + Information" );
4340
4341     /* Master elements */
4342     m = static_cast<EbmlMaster *>(info);
4343     m->Read( es, info->Generic().Context, i_upper_level, el, true );
4344
4345     for( i = 0; i < m->ListSize(); i++ )
4346     {
4347         EbmlElement *l = (*m)[i];
4348
4349         if( MKV_IS_ID( l, KaxSegmentUID ) )
4350         {
4351             if ( p_segment_uid == NULL )
4352                 p_segment_uid = new KaxSegmentUID(*static_cast<KaxSegmentUID*>(l));
4353
4354             msg_Dbg( &sys.demuxer, "|   |   + UID=%d", *(uint32*)p_segment_uid->GetBuffer() );
4355         }
4356         else if( MKV_IS_ID( l, KaxPrevUID ) )
4357         {
4358             if ( p_prev_segment_uid == NULL )
4359                 p_prev_segment_uid = new KaxPrevUID(*static_cast<KaxPrevUID*>(l));
4360
4361             msg_Dbg( &sys.demuxer, "|   |   + PrevUID=%d", *(uint32*)p_prev_segment_uid->GetBuffer() );
4362         }
4363         else if( MKV_IS_ID( l, KaxNextUID ) )
4364         {
4365             if ( p_next_segment_uid == NULL )
4366                 p_next_segment_uid = new KaxNextUID(*static_cast<KaxNextUID*>(l));
4367
4368             msg_Dbg( &sys.demuxer, "|   |   + NextUID=%d", *(uint32*)p_next_segment_uid->GetBuffer() );
4369         }
4370         else if( MKV_IS_ID( l, KaxTimecodeScale ) )
4371         {
4372             KaxTimecodeScale &tcs = *(KaxTimecodeScale*)l;
4373
4374             i_timescale = uint64(tcs);
4375
4376             msg_Dbg( &sys.demuxer, "|   |   + TimecodeScale="I64Fd,
4377                      i_timescale );
4378         }
4379         else if( MKV_IS_ID( l, KaxDuration ) )
4380         {
4381             KaxDuration &dur = *(KaxDuration*)l;
4382
4383             i_duration = mtime_t( double( dur ) );
4384
4385             msg_Dbg( &sys.demuxer, "|   |   + Duration="I64Fd,
4386                      i_duration );
4387         }
4388         else if( MKV_IS_ID( l, KaxMuxingApp ) )
4389         {
4390             KaxMuxingApp &mapp = *(KaxMuxingApp*)l;
4391
4392             psz_muxing_application = ToUTF8( UTFstring( mapp ) );
4393
4394             msg_Dbg( &sys.demuxer, "|   |   + Muxing Application=%s",
4395                      psz_muxing_application );
4396         }
4397         else if( MKV_IS_ID( l, KaxWritingApp ) )
4398         {
4399             KaxWritingApp &wapp = *(KaxWritingApp*)l;
4400
4401             psz_writing_application = ToUTF8( UTFstring( wapp ) );
4402
4403             msg_Dbg( &sys.demuxer, "|   |   + Writing Application=%s",
4404                      psz_writing_application );
4405         }
4406         else if( MKV_IS_ID( l, KaxSegmentFilename ) )
4407         {
4408             KaxSegmentFilename &sfn = *(KaxSegmentFilename*)l;
4409
4410             psz_segment_filename = ToUTF8( UTFstring( sfn ) );
4411
4412             msg_Dbg( &sys.demuxer, "|   |   + Segment Filename=%s",
4413                      psz_segment_filename );
4414         }
4415         else if( MKV_IS_ID( l, KaxTitle ) )
4416         {
4417             KaxTitle &title = *(KaxTitle*)l;
4418
4419             psz_title = ToUTF8( UTFstring( title ) );
4420
4421             msg_Dbg( &sys.demuxer, "|   |   + Title=%s", psz_title );
4422         }
4423         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
4424         {
4425             KaxSegmentFamily *uid = static_cast<KaxSegmentFamily*>(l);
4426
4427             families.push_back( new KaxSegmentFamily(*uid) );
4428
4429             msg_Dbg( &sys.demuxer, "|   |   + family=%d", *(uint32*)uid->GetBuffer() );
4430         }
4431 #if defined( HAVE_GMTIME_R ) && !defined( SYS_DARWIN )
4432         else if( MKV_IS_ID( l, KaxDateUTC ) )
4433         {
4434             KaxDateUTC &date = *(KaxDateUTC*)l;
4435             time_t i_date;
4436             struct tm tmres;
4437             char   buffer[256];
4438
4439             i_date = date.GetEpochDate();
4440             memset( buffer, 0, 256 );
4441             if( gmtime_r( &i_date, &tmres ) &&
4442                 asctime_r( &tmres, buffer ) )
4443             {
4444                 buffer[strlen( buffer)-1]= '\0';
4445                 psz_date_utc = strdup( buffer );
4446                 msg_Dbg( &sys.demuxer, "|   |   + Date=%s", psz_date_utc );
4447             }
4448         }
4449 #endif
4450 #if LIBMATROSKA_VERSION >= 0x000704
4451         else if( MKV_IS_ID( l, KaxChapterTranslate ) )
4452         {
4453             KaxChapterTranslate *p_trans = static_cast<KaxChapterTranslate*>( l );
4454             chapter_translation_c *p_translate = new chapter_translation_c();
4455
4456             p_trans->Read( es, p_trans->Generic().Context, i_upper_level, el, true );
4457             for( j = 0; j < p_trans->ListSize(); j++ )
4458             {
4459                 EbmlElement *l = (*p_trans)[j];
4460
4461                 if( MKV_IS_ID( l, KaxChapterTranslateEditionUID ) )
4462                 {
4463                     p_translate->editions.push_back( uint64( *static_cast<KaxChapterTranslateEditionUID*>( l ) ) );
4464                 }
4465                 else if( MKV_IS_ID( l, KaxChapterTranslateCodec ) )
4466                 {
4467                     p_translate->codec_id = uint32( *static_cast<KaxChapterTranslateCodec*>( l ) );
4468                 }
4469                 else if( MKV_IS_ID( l, KaxChapterTranslateID ) )
4470                 {
4471                     p_translate->p_translated = new KaxChapterTranslateID( *static_cast<KaxChapterTranslateID*>( l ) );
4472                 }
4473             }
4474
4475             translations.push_back( p_translate );
4476         }
4477 #endif
4478         else
4479         {
4480             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4481         }
4482     }
4483
4484     double f_dur = double(i_duration) * double(i_timescale) / 1000000.0;
4485     i_duration = mtime_t(f_dur);
4486 }
4487
4488
4489 /*****************************************************************************
4490  * ParseChapterAtom
4491  *****************************************************************************/
4492 void matroska_segment_c::ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters )
4493 {
4494     size_t i, j;
4495
4496     msg_Dbg( &sys.demuxer, "|   |   |   + ChapterAtom (level=%d)", i_level );
4497     for( i = 0; i < ca->ListSize(); i++ )
4498     {
4499         EbmlElement *l = (*ca)[i];
4500
4501         if( MKV_IS_ID( l, KaxChapterUID ) )
4502         {
4503             chapters.i_uid = uint64_t(*(KaxChapterUID*)l);
4504             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterUID: %lld", chapters.i_uid );
4505         }
4506         else if( MKV_IS_ID( l, KaxChapterFlagHidden ) )
4507         {
4508             KaxChapterFlagHidden &flag =*(KaxChapterFlagHidden*)l;
4509             chapters.b_display_seekpoint = uint8( flag ) == 0;
4510
4511             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterFlagHidden: %s", chapters.b_display_seekpoint ? "no":"yes" );
4512         }
4513         else if( MKV_IS_ID( l, KaxChapterTimeStart ) )
4514         {
4515             KaxChapterTimeStart &start =*(KaxChapterTimeStart*)l;
4516             chapters.i_start_time = uint64( start ) / I64C(1000);
4517
4518             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeStart: %lld", chapters.i_start_time );
4519         }
4520         else if( MKV_IS_ID( l, KaxChapterTimeEnd ) )
4521         {
4522             KaxChapterTimeEnd &end =*(KaxChapterTimeEnd*)l;
4523             chapters.i_end_time = uint64( end ) / I64C(1000);
4524
4525             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeEnd: %lld", chapters.i_end_time );
4526         }
4527         else if( MKV_IS_ID( l, KaxChapterDisplay ) )
4528         {
4529             EbmlMaster *cd = static_cast<EbmlMaster *>(l);
4530
4531             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterDisplay" );
4532             for( j = 0; j < cd->ListSize(); j++ )
4533             {
4534                 EbmlElement *l= (*cd)[j];
4535
4536                 if( MKV_IS_ID( l, KaxChapterString ) )
4537                 {
4538                     int k;
4539
4540                     KaxChapterString &name =*(KaxChapterString*)l;
4541                     for (k = 0; k < i_level; k++)
4542                         chapters.psz_name += '+';
4543                     chapters.psz_name += ' ';
4544                     char *psz_tmp_utf8 = ToUTF8( UTFstring( name ) );
4545                     chapters.psz_name += psz_tmp_utf8;
4546                     chapters.b_user_display = true;
4547
4548                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterString '%s'", psz_tmp_utf8 );
4549                     free( psz_tmp_utf8 );
4550                 }
4551                 else if( MKV_IS_ID( l, KaxChapterLanguage ) )
4552                 {
4553                     KaxChapterLanguage &lang =*(KaxChapterLanguage*)l;
4554                     const char *psz = string( lang ).c_str();
4555
4556                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterLanguage '%s'", psz );
4557                 }
4558                 else if( MKV_IS_ID( l, KaxChapterCountry ) )
4559                 {
4560                     KaxChapterCountry &ct =*(KaxChapterCountry*)l;
4561                     const char *psz = string( ct ).c_str();
4562
4563                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterCountry '%s'", psz );
4564                 }
4565             }
4566         }
4567         else if( MKV_IS_ID( l, KaxChapterProcess ) )
4568         {
4569             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterProcess" );
4570
4571             KaxChapterProcess *cp = static_cast<KaxChapterProcess *>(l);
4572             chapter_codec_cmds_c *p_ccodec = NULL;
4573
4574             for( j = 0; j < cp->ListSize(); j++ )
4575             {
4576                 EbmlElement *k= (*cp)[j];
4577
4578                 if( MKV_IS_ID( k, KaxChapterProcessCodecID ) )
4579                 {
4580                     KaxChapterProcessCodecID *p_codec_id = static_cast<KaxChapterProcessCodecID*>( k );
4581                     if ( uint32(*p_codec_id) == 0 )
4582                         p_ccodec = new matroska_script_codec_c( sys );
4583                     else if ( uint32(*p_codec_id) == 1 )
4584                         p_ccodec = new dvd_chapter_codec_c( sys );
4585                     break;
4586                 }
4587             }
4588
4589             if ( p_ccodec != NULL )
4590             {
4591                 for( j = 0; j < cp->ListSize(); j++ )
4592                 {
4593                     EbmlElement *k= (*cp)[j];
4594
4595                     if( MKV_IS_ID( k, KaxChapterProcessPrivate ) )
4596                     {
4597                         KaxChapterProcessPrivate * p_private = static_cast<KaxChapterProcessPrivate*>( k );
4598                         p_ccodec->SetPrivate( *p_private );
4599                     }
4600                     else if( MKV_IS_ID( k, KaxChapterProcessCommand ) )
4601                     {
4602                         p_ccodec->AddCommand( *static_cast<KaxChapterProcessCommand*>( k ) );
4603                     }
4604                 }
4605                 chapters.codecs.push_back( p_ccodec );
4606             }
4607         }
4608         else if( MKV_IS_ID( l, KaxChapterAtom ) )
4609         {
4610             chapter_item_c *new_sub_chapter = new chapter_item_c();
4611             ParseChapterAtom( i_level+1, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4612             new_sub_chapter->psz_parent = &chapters;
4613             chapters.sub_chapters.push_back( new_sub_chapter );
4614         }
4615     }
4616 }
4617
4618 /*****************************************************************************
4619  * ParseChapters:
4620  *****************************************************************************/
4621 void matroska_segment_c::ParseChapters( KaxChapters *chapters )
4622 {
4623     EbmlElement *el;
4624     size_t i;
4625     int i_upper_level = 0;
4626     mtime_t i_dur;
4627
4628     /* Master elements */
4629     chapters->Read( es, chapters->Generic().Context, i_upper_level, el, true );
4630
4631     for( i = 0; i < chapters->ListSize(); i++ )
4632     {
4633         EbmlElement *l = (*chapters)[i];
4634
4635         if( MKV_IS_ID( l, KaxEditionEntry ) )
4636         {
4637             chapter_edition_c *p_edition = new chapter_edition_c();
4638
4639             EbmlMaster *E = static_cast<EbmlMaster *>(l );
4640             size_t j;
4641             msg_Dbg( &sys.demuxer, "|   |   + EditionEntry" );
4642             for( j = 0; j < E->ListSize(); j++ )
4643             {
4644                 EbmlElement *l = (*E)[j];
4645
4646                 if( MKV_IS_ID( l, KaxChapterAtom ) )
4647                 {
4648                     chapter_item_c *new_sub_chapter = new chapter_item_c();
4649                     ParseChapterAtom( 0, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4650                     p_edition->sub_chapters.push_back( new_sub_chapter );
4651                 }
4652                 else if( MKV_IS_ID( l, KaxEditionUID ) )
4653                 {
4654                     p_edition->i_uid = uint64(*static_cast<KaxEditionUID *>( l ));
4655                 }
4656                 else if( MKV_IS_ID( l, KaxEditionFlagOrdered ) )
4657                 {
4658                     p_edition->b_ordered = config_GetInt( &sys.demuxer, "mkv-use-ordered-chapters" ) ? (uint8(*static_cast<KaxEditionFlagOrdered *>( l )) != 0) : 0;
4659                 }
4660                 else if( MKV_IS_ID( l, KaxEditionFlagDefault ) )
4661                 {
4662                     if (uint8(*static_cast<KaxEditionFlagDefault *>( l )) != 0)
4663                         i_default_edition = stored_editions.size();
4664                 }
4665                 else
4666                 {
4667                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
4668                 }
4669             }
4670             stored_editions.push_back( p_edition );
4671         }
4672         else
4673         {
4674             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4675         }
4676     }
4677
4678     for( i = 0; i < stored_editions.size(); i++ )
4679     {
4680         stored_editions[i]->RefreshChapters( );
4681     }
4682
4683     if ( stored_editions.size() != 0 && stored_editions[i_default_edition]->b_ordered )
4684     {
4685         /* update the duration of the segment according to the sum of all sub chapters */
4686         i_dur = stored_editions[i_default_edition]->Duration() / I64C(1000);
4687         if (i_dur > 0)
4688             i_duration = i_dur;
4689     }
4690 }
4691
4692 void matroska_segment_c::ParseCluster( )
4693 {
4694     EbmlElement *el;
4695     EbmlMaster  *m;
4696     unsigned int i;
4697     int i_upper_level = 0;
4698
4699     /* Master elements */
4700     m = static_cast<EbmlMaster *>( cluster );
4701     m->Read( es, cluster->Generic().Context, i_upper_level, el, true );
4702
4703     for( i = 0; i < m->ListSize(); i++ )
4704     {
4705         EbmlElement *l = (*m)[i];
4706
4707         if( MKV_IS_ID( l, KaxClusterTimecode ) )
4708         {
4709             KaxClusterTimecode &ctc = *(KaxClusterTimecode*)l;
4710
4711             cluster->InitTimecode( uint64( ctc ), i_timescale );
4712             break;
4713         }
4714     }
4715
4716     i_start_time = cluster->GlobalTimecode() / 1000;
4717 }
4718
4719 /*****************************************************************************
4720  * InformationCreate:
4721  *****************************************************************************/
4722 void matroska_segment_c::InformationCreate( )
4723 {
4724     size_t      i_track;
4725
4726     sys.meta = vlc_meta_New();
4727
4728     if( psz_title )
4729     {
4730         vlc_meta_Add( sys.meta, VLC_META_TITLE, psz_title );
4731     }
4732     if( psz_date_utc )
4733     {
4734         vlc_meta_Add( sys.meta, VLC_META_DATE, psz_date_utc );
4735     }
4736     if( psz_segment_filename )
4737     {
4738         vlc_meta_Add( sys.meta, _("Segment filename"), psz_segment_filename );
4739     }
4740     if( psz_muxing_application )
4741     {
4742         vlc_meta_Add( sys.meta, _("Muxing application"), psz_muxing_application );
4743     }
4744     if( psz_writing_application )
4745     {
4746         vlc_meta_Add( sys.meta, _("Writing application"), psz_writing_application );
4747     }
4748
4749     for( i_track = 0; i_track < tracks.size(); i_track++ )
4750     {
4751         mkv_track_t *tk = tracks[i_track];
4752         vlc_meta_t *mtk = vlc_meta_New();
4753
4754         sys.meta->track = (vlc_meta_t**)realloc( sys.meta->track,
4755                                                     sizeof( vlc_meta_t * ) * ( sys.meta->i_track + 1 ) );
4756         sys.meta->track[sys.meta->i_track++] = mtk;
4757
4758         if( tk->fmt.psz_description )
4759         {
4760             vlc_meta_Add( sys.meta, VLC_META_DESCRIPTION, tk->fmt.psz_description );
4761         }
4762         if( tk->psz_codec_name )
4763         {
4764             vlc_meta_Add( sys.meta, VLC_META_CODEC_NAME, tk->psz_codec_name );
4765         }
4766         if( tk->psz_codec_settings )
4767         {
4768             vlc_meta_Add( sys.meta, VLC_META_SETTING, tk->psz_codec_settings );
4769         }
4770         if( tk->psz_codec_info_url )
4771         {
4772             vlc_meta_Add( sys.meta, VLC_META_CODEC_DESCRIPTION, tk->psz_codec_info_url );
4773         }
4774         if( tk->psz_codec_download_url )
4775         {
4776             vlc_meta_Add( sys.meta, VLC_META_URL, tk->psz_codec_download_url );
4777         }
4778     }
4779
4780     if( i_tags_position >= 0 )
4781     {
4782         vlc_bool_t b_seekable;
4783
4784         stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
4785         if( b_seekable )
4786         {
4787             LoadTags( );
4788         }
4789     }
4790 }
4791
4792
4793 /*****************************************************************************
4794  * Divers
4795  *****************************************************************************/
4796
4797 void matroska_segment_c::IndexAppendCluster( KaxCluster *cluster )
4798 {
4799 #define idx p_indexes[i_index]
4800     idx.i_track       = -1;
4801     idx.i_block_number= -1;
4802     idx.i_position    = cluster->GetElementPosition();
4803     idx.i_time        = -1;
4804     idx.b_key         = VLC_TRUE;
4805
4806     i_index++;
4807     if( i_index >= i_index_max )
4808     {
4809         i_index_max += 1024;
4810         p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
4811     }
4812 #undef idx
4813 }
4814
4815 void chapter_edition_c::RefreshChapters( )
4816 {
4817     chapter_item_c::RefreshChapters( b_ordered, -1 );
4818     b_display_seekpoint = false;
4819 }
4820
4821 int64_t chapter_item_c::RefreshChapters( bool b_ordered, int64_t i_prev_user_time )
4822 {
4823     int64_t i_user_time = i_prev_user_time;
4824
4825     // first the sub-chapters, and then ourself
4826     std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
4827     while ( index != sub_chapters.end() )
4828     {
4829         i_user_time = (*index)->RefreshChapters( b_ordered, i_user_time );
4830         index++;
4831     }
4832
4833     if ( b_ordered )
4834     {
4835         // the ordered chapters always start at zero
4836         if ( i_prev_user_time == -1 )
4837         {
4838             if ( i_user_time == -1 )
4839                 i_user_time = 0;
4840             i_prev_user_time = 0;
4841         }
4842
4843         i_user_start_time = i_prev_user_time;
4844         if ( i_end_time != -1 && i_user_time == i_prev_user_time )
4845         {
4846             i_user_end_time = i_user_start_time - i_start_time + i_end_time;
4847         }
4848         else
4849         {
4850             i_user_end_time = i_user_time;
4851         }
4852     }
4853     else
4854     {
4855         if ( sub_chapters.begin() != sub_chapters.end() )
4856             std::sort( sub_chapters.begin(), sub_chapters.end(), chapter_item_c::CompareTimecode );
4857         i_user_start_time = i_start_time;
4858         if ( i_end_time != -1 )
4859             i_user_end_time = i_end_time;
4860         else if ( i_user_time != -1 )
4861             i_user_end_time = i_user_time;
4862         else
4863             i_user_end_time = i_user_start_time;
4864     }
4865
4866     return i_user_end_time;
4867 }
4868
4869 mtime_t chapter_edition_c::Duration() const
4870 {
4871     mtime_t i_result = 0;
4872
4873     if ( sub_chapters.size() )
4874     {
4875         std::vector<chapter_item_c*>::const_iterator index = sub_chapters.end();
4876         index--;
4877         i_result = (*index)->i_user_end_time;
4878     }
4879
4880     return i_result;
4881 }
4882
4883 chapter_item_c * chapter_edition_c::FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current )
4884 {
4885     if ( !b_ordered )
4886         p_current = NULL;
4887     bool b_found_current = false;
4888     return chapter_item_c::FindTimecode( i_timecode, p_current, b_found_current );
4889 }
4890
4891 chapter_item_c *chapter_item_c::FindTimecode( mtime_t i_user_timecode, const chapter_item_c * p_current, bool & b_found )
4892 {
4893     chapter_item_c *psz_result = NULL;
4894
4895     if ( p_current == this )
4896         b_found = true;
4897
4898     if ( i_user_timecode >= i_user_start_time &&
4899         ( i_user_timecode < i_user_end_time ||
4900           ( i_user_start_time == i_user_end_time && i_user_timecode == i_user_end_time )))
4901     {
4902         std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
4903         while ( index != sub_chapters.end() && ((p_current == NULL && psz_result == NULL) || (p_current != NULL && (!b_found || psz_result == NULL))))
4904         {
4905             psz_result = (*index)->FindTimecode( i_user_timecode, p_current, b_found );
4906             index++;
4907         }
4908
4909         if ( psz_result == NULL )
4910             psz_result = this;
4911     }
4912
4913     return psz_result;
4914 }
4915
4916 bool chapter_item_c::ParentOf( const chapter_item_c & item ) const
4917 {
4918     if ( &item == this )
4919         return true;
4920
4921     std::vector<chapter_item_c*>::const_iterator index = sub_chapters.begin();
4922     while ( index != sub_chapters.end() )
4923     {
4924         if ( (*index)->ParentOf( item ) )
4925             return true;
4926         index++;
4927     }
4928
4929     return false;
4930 }
4931
4932 void demux_sys_t::PreloadFamily( const matroska_segment_c & of_segment )
4933 {
4934     for (size_t i=0; i<opened_segments.size(); i++)
4935     {
4936         opened_segments[i]->PreloadFamily( of_segment );
4937     }
4938 }
4939 bool matroska_segment_c::PreloadFamily( const matroska_segment_c & of_segment )
4940 {
4941     if ( b_preloaded )
4942         return false;
4943
4944     for (size_t i=0; i<families.size(); i++)
4945     {
4946         for (size_t j=0; j<of_segment.families.size(); j++)
4947         {
4948             if ( *(families[i]) == *(of_segment.families[j]) )
4949                 return Preload( );
4950         }
4951     }
4952
4953     return false;
4954 }
4955
4956 // preload all the linked segments for all preloaded segments
4957 void demux_sys_t::PreloadLinked( matroska_segment_c *p_segment )
4958 {
4959     size_t i_preloaded, i, j;
4960     virtual_segment_c *p_seg;
4961
4962     p_current_segment = VirtualFromSegments( p_segment );
4963
4964     used_segments.push_back( p_current_segment );
4965
4966     // create all the other virtual segments of the family
4967     do {
4968         i_preloaded = 0;
4969         for ( i=0; i< opened_segments.size(); i++ )
4970         {
4971             if ( opened_segments[i]->b_preloaded && !IsUsedSegment( *opened_segments[i] ) )
4972             {
4973                 p_seg = VirtualFromSegments( opened_segments[i] );
4974                 used_segments.push_back( p_seg );
4975                 i_preloaded++;
4976             }
4977         }
4978     } while ( i_preloaded ); // worst case: will stop when all segments are found as family related
4979
4980     // publish all editions of all usable segment
4981     for ( i=0; i< used_segments.size(); i++ )
4982     {
4983         p_seg = used_segments[i];
4984         if ( p_seg->p_editions != NULL )
4985         {
4986             std::string sz_name;
4987             input_title_t *p_title = vlc_input_title_New();
4988             p_seg->i_sys_title = i;
4989             int i_chapters;
4990
4991             // TODO use a name for each edition, let the TITLE deal with a codec name
4992             for ( j=0; j<p_seg->p_editions->size(); j++ )
4993             {
4994                 if ( p_title->psz_name == NULL )
4995                 {
4996                     sz_name = (*p_seg->p_editions)[j]->GetMainName();
4997                     if ( sz_name != "" )
4998                         p_title->psz_name = strdup( sz_name.c_str() );
4999                 }
5000
5001                 chapter_edition_c *p_edition = (*p_seg->p_editions)[j];
5002
5003                 i_chapters = 0;
5004                 p_edition->PublishChapters( *p_title, i_chapters, 0 );
5005             }
5006
5007             // create a name if there is none
5008             if ( p_title->psz_name == NULL )
5009             {
5010                 sz_name = N_("Segment ");
5011                 char psz_str[6];
5012                 sprintf( psz_str, "%d", (int)i );
5013                 sz_name += psz_str;
5014                 p_title->psz_name = strdup( sz_name.c_str() );
5015             }
5016
5017             titles.push_back( p_title );
5018         }
5019     }
5020
5021     // TODO decide which segment should be first used (VMG for DVD)
5022 }
5023
5024 bool demux_sys_t::IsUsedSegment( matroska_segment_c &segment ) const
5025 {
5026     for ( size_t i=0; i< used_segments.size(); i++ )
5027     {
5028         if ( used_segments[i]->FindUID( *segment.p_segment_uid ) )
5029             return true;
5030     }
5031     return false;
5032 }
5033
5034 virtual_segment_c *demux_sys_t::VirtualFromSegments( matroska_segment_c *p_segment ) const
5035 {
5036     size_t i_preloaded, i;
5037
5038     virtual_segment_c *p_result = new virtual_segment_c( p_segment );
5039
5040     // fill our current virtual segment with all hard linked segments
5041     do {
5042         i_preloaded = 0;
5043         for ( i=0; i< opened_segments.size(); i++ )
5044         {
5045             i_preloaded += p_result->AddSegment( opened_segments[i] );
5046         }
5047     } while ( i_preloaded ); // worst case: will stop when all segments are found as linked
5048
5049     p_result->Sort( );
5050
5051     p_result->PreloadLinked( );
5052
5053     p_result->PrepareChapters( );
5054
5055     return p_result;
5056 }
5057
5058 bool demux_sys_t::PreparePlayback( virtual_segment_c *p_new_segment )
5059 {
5060     if ( p_new_segment != NULL && p_new_segment != p_current_segment )
5061     {
5062         if ( p_current_segment != NULL && p_current_segment->Segment() != NULL )
5063             p_current_segment->Segment()->UnSelect();
5064
5065         p_current_segment = p_new_segment;
5066         i_current_title = p_new_segment->i_sys_title;
5067     }
5068
5069     p_current_segment->LoadCues();
5070     f_duration = p_current_segment->Duration();
5071
5072     /* add information */
5073     p_current_segment->Segment()->InformationCreate( );
5074
5075     p_current_segment->Segment()->Select( 0 );
5076
5077     return true;
5078 }
5079
5080 void demux_sys_t::JumpTo( virtual_segment_c & vsegment, chapter_item_c * p_chapter )
5081 {
5082     // if the segment is not part of the current segment, select the new one
5083     if ( &vsegment != p_current_segment )
5084     {
5085         PreparePlayback( &vsegment );
5086     }
5087
5088     if ( p_chapter != NULL )
5089     {
5090         if ( !p_chapter->Enter( true ) )
5091         {
5092             // jump to the location in the found segment
5093             vsegment.Seek( demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5094         }
5095     }
5096
5097 }
5098
5099 bool matroska_segment_c::CompareSegmentUIDs( const matroska_segment_c * p_item_a, const matroska_segment_c * p_item_b )
5100 {
5101     if ( p_item_a == NULL || p_item_b == NULL )
5102         return false;
5103
5104     EbmlBinary * p_itema = (EbmlBinary *)(p_item_a->p_segment_uid);
5105     if ( p_item_b->p_prev_segment_uid != NULL && *p_itema == *p_item_b->p_prev_segment_uid )
5106         return true;
5107
5108     p_itema = (EbmlBinary *)(&p_item_a->p_next_segment_uid);
5109     if ( p_item_b->p_segment_uid != NULL && *p_itema == *p_item_b->p_segment_uid )
5110         return true;
5111
5112     if ( p_item_b->p_prev_segment_uid != NULL && *p_itema == *p_item_b->p_prev_segment_uid )
5113         return true;
5114
5115     return false;
5116 }
5117
5118 bool matroska_segment_c::Preload( )
5119 {
5120     if ( b_preloaded )
5121         return false;
5122
5123     EbmlElement *el = NULL;
5124
5125     ep->Reset( &sys.demuxer );
5126
5127     while( ( el = ep->Get() ) != NULL )
5128     {
5129         if( MKV_IS_ID( el, KaxInfo ) )
5130         {
5131             ParseInfo( static_cast<KaxInfo*>( el ) );
5132         }
5133         else if( MKV_IS_ID( el, KaxTracks ) )
5134         {
5135             ParseTracks( static_cast<KaxTracks*>( el ) );
5136         }
5137         else if( MKV_IS_ID( el, KaxSeekHead ) )
5138         {
5139             ParseSeekHead( static_cast<KaxSeekHead*>( el ) );
5140         }
5141         else if( MKV_IS_ID( el, KaxCues ) )
5142         {
5143             msg_Dbg( &sys.demuxer, "|   + Cues" );
5144         }
5145         else if( MKV_IS_ID( el, KaxCluster ) )
5146         {
5147             msg_Dbg( &sys.demuxer, "|   + Cluster" );
5148
5149             cluster = (KaxCluster*)el;
5150
5151             i_cluster_pos = i_start_pos = cluster->GetElementPosition();
5152             ParseCluster( );
5153
5154             ep->Down();
5155             /* stop parsing the stream */
5156             break;
5157         }
5158         else if( MKV_IS_ID( el, KaxAttachments ) )
5159         {
5160             msg_Dbg( &sys.demuxer, "|   + Attachments FIXME (but probably never supported)" );
5161         }
5162         else if( MKV_IS_ID( el, KaxChapters ) )
5163         {
5164             msg_Dbg( &sys.demuxer, "|   + Chapters" );
5165             ParseChapters( static_cast<KaxChapters*>( el ) );
5166         }
5167         else if( MKV_IS_ID( el, KaxTag ) )
5168         {
5169             msg_Dbg( &sys.demuxer, "|   + Tags FIXME TODO" );
5170         }
5171         else
5172         {
5173             msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid(*el).name() );
5174         }
5175     }
5176
5177     b_preloaded = true;
5178
5179     return true;
5180 }
5181
5182 matroska_segment_c *demux_sys_t::FindSegment( const EbmlBinary & uid ) const
5183 {
5184     for (size_t i=0; i<opened_segments.size(); i++)
5185     {
5186         if ( *opened_segments[i]->p_segment_uid == uid )
5187             return opened_segments[i];
5188     }
5189     return NULL;
5190 }
5191
5192 chapter_item_c *demux_sys_t::BrowseCodecPrivate( unsigned int codec_id,
5193                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
5194                                         const void *p_cookie,
5195                                         size_t i_cookie_size,
5196                                         virtual_segment_c * &p_segment_found )
5197 {
5198     chapter_item_c *p_result = NULL;
5199     for (size_t i=0; i<used_segments.size(); i++)
5200     {
5201         p_result = used_segments[i]->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
5202         if ( p_result != NULL )
5203         {
5204             p_segment_found = used_segments[i];
5205             break;
5206         }
5207     }
5208     return p_result;
5209 }
5210
5211 chapter_item_c *demux_sys_t::FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found )
5212 {
5213     chapter_item_c *p_result = NULL;
5214     for (size_t i=0; i<used_segments.size(); i++)
5215     {
5216         p_result = used_segments[i]->FindChapter( i_find_uid );
5217         if ( p_result != NULL )
5218         {
5219             p_segment_found = used_segments[i];
5220             break;
5221         }
5222     }
5223     return p_result;
5224 }
5225
5226 void virtual_segment_c::Sort()
5227 {
5228     // keep the current segment index
5229     matroska_segment_c *p_segment = linked_segments[i_current_segment];
5230
5231     std::sort( linked_segments.begin(), linked_segments.end(), matroska_segment_c::CompareSegmentUIDs );
5232
5233     for ( i_current_segment=0; i_current_segment<linked_segments.size(); i_current_segment++)
5234         if ( linked_segments[i_current_segment] == p_segment )
5235             break;
5236 }
5237
5238 size_t virtual_segment_c::AddSegment( matroska_segment_c *p_segment )
5239 {
5240     size_t i;
5241     // check if it's not already in here
5242     for ( i=0; i<linked_segments.size(); i++ )
5243     {
5244         if ( linked_segments[i]->p_segment_uid != NULL
5245             && p_segment->p_segment_uid != NULL
5246             && *p_segment->p_segment_uid == *linked_segments[i]->p_segment_uid )
5247             return 0;
5248     }
5249
5250     // find possible mates
5251     for ( i=0; i<linked_uids.size(); i++ )
5252     {
5253         if (   (p_segment->p_segment_uid != NULL && *p_segment->p_segment_uid == linked_uids[i])
5254             || (p_segment->p_prev_segment_uid != NULL && *p_segment->p_prev_segment_uid == linked_uids[i])
5255             || (p_segment->p_next_segment_uid !=NULL && *p_segment->p_next_segment_uid == linked_uids[i]) )
5256         {
5257             linked_segments.push_back( p_segment );
5258
5259             AppendUID( p_segment->p_prev_segment_uid );
5260             AppendUID( p_segment->p_next_segment_uid );
5261
5262             return 1;
5263         }
5264     }
5265     return 0;
5266 }
5267
5268 void virtual_segment_c::PreloadLinked( )
5269 {
5270     for ( size_t i=0; i<linked_segments.size(); i++ )
5271     {
5272         linked_segments[i]->Preload( );
5273     }
5274     i_current_edition = linked_segments[0]->i_default_edition;
5275 }
5276
5277 mtime_t virtual_segment_c::Duration() const
5278 {
5279     mtime_t i_duration;
5280     if ( linked_segments.size() == 0 )
5281         i_duration = 0;
5282     else {
5283         matroska_segment_c *p_last_segment = linked_segments[linked_segments.size()-1];
5284 //        p_last_segment->ParseCluster( );
5285
5286         i_duration = p_last_segment->i_start_time / 1000 + p_last_segment->i_duration;
5287     }
5288     return i_duration;
5289 }
5290
5291 void virtual_segment_c::LoadCues( )
5292 {
5293     for ( size_t i=0; i<linked_segments.size(); i++ )
5294     {
5295         linked_segments[i]->LoadCues();
5296     }
5297 }
5298
5299 void virtual_segment_c::AppendUID( const EbmlBinary * p_UID )
5300 {
5301     if ( p_UID == NULL )
5302         return;
5303     if ( p_UID->GetBuffer() == NULL )
5304         return;
5305
5306     for (size_t i=0; i<linked_uids.size(); i++)
5307     {
5308         if ( *p_UID == linked_uids[i] )
5309             return;
5310     }
5311     linked_uids.push_back( *(KaxSegmentUID*)(p_UID) );
5312 }
5313
5314 void matroska_segment_c::Seek( mtime_t i_date, mtime_t i_time_offset )
5315 {
5316     KaxBlock    *block;
5317     int         i_track_skipping;
5318     int64_t     i_block_duration;
5319     int64_t     i_block_ref1;
5320     int64_t     i_block_ref2;
5321     size_t      i_track;
5322     int64_t     i_seek_position = i_start_pos;
5323     int64_t     i_seek_time = i_start_time;
5324
5325     if ( i_index > 0 )
5326     {
5327         int i_idx = 0;
5328
5329         for( ; i_idx < i_index; i_idx++ )
5330         {
5331             if( p_indexes[i_idx].i_time + i_time_offset > i_date )
5332             {
5333                 break;
5334             }
5335         }
5336
5337         if( i_idx > 0 )
5338         {
5339             i_idx--;
5340         }
5341
5342         i_seek_position = p_indexes[i_idx].i_position;
5343         i_seek_time = p_indexes[i_idx].i_time;
5344     }
5345
5346     msg_Dbg( &sys.demuxer, "seek got "I64Fd" (%d%%)",
5347                 i_seek_time, (int)( 100 * i_seek_position / stream_Size( sys.demuxer.s ) ) );
5348
5349     es.I_O().setFilePointer( i_seek_position, seek_beginning );
5350
5351     delete ep;
5352     ep = new EbmlParser( &es, segment, &sys.demuxer );
5353     cluster = NULL;
5354
5355     sys.i_start_pts = i_date;
5356
5357     es_out_Control( sys.demuxer.out, ES_OUT_RESET_PCR );
5358
5359     /* now parse until key frame */
5360     i_track_skipping = 0;
5361     for( i_track = 0; i_track < tracks.size(); i_track++ )
5362     {
5363         if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5364         {
5365             tracks[i_track]->b_search_keyframe = VLC_TRUE;
5366             i_track_skipping++;
5367         }
5368         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_date );
5369     }
5370
5371
5372     while( i_track_skipping > 0 )
5373     {
5374         if( BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
5375         {
5376             msg_Warn( &sys.demuxer, "cannot get block EOF?" );
5377
5378             return;
5379         }
5380         ep->Down();
5381
5382         for( i_track = 0; i_track < tracks.size(); i_track++ )
5383         {
5384             if( tracks[i_track]->i_number == block->TrackNum() )
5385             {
5386                 break;
5387             }
5388         }
5389
5390         sys.i_pts = (sys.i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
5391
5392         if( i_track < tracks.size() )
5393         {
5394            if( sys.i_pts >= sys.i_start_pts )
5395             {
5396                 cluster = static_cast<KaxCluster*>(ep->UnGet( i_block_pos, i_cluster_pos ));
5397                 i_track_skipping = 0;
5398             }
5399             else if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5400             {
5401                 if( i_block_ref1 == 0 && tracks[i_track]->b_search_keyframe )
5402                 {
5403                     tracks[i_track]->b_search_keyframe = VLC_FALSE;
5404                     i_track_skipping--;
5405                 }
5406                 if( !tracks[i_track]->b_search_keyframe )
5407                 {
5408                     BlockDecode( &sys.demuxer, block, sys.i_pts, 0, i_block_ref1 >= 0 || i_block_ref2 > 0 );
5409                 }
5410             }
5411         }
5412
5413         delete block;
5414     }
5415 }
5416
5417 void virtual_segment_c::Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter )
5418 {
5419     demux_sys_t *p_sys = demuxer.p_sys;
5420     size_t i;
5421
5422     // find the actual time for an ordered edition
5423     if ( psz_chapter == NULL )
5424     {
5425         if ( Edition() && Edition()->b_ordered )
5426         {
5427             /* 1st, we need to know in which chapter we are */
5428             psz_chapter = (*p_editions)[i_current_edition]->FindTimecode( i_date, psz_current_chapter );
5429         }
5430     }
5431
5432     if ( psz_chapter != NULL )
5433     {
5434         psz_current_chapter = psz_chapter;
5435         p_sys->i_chapter_time = i_time_offset = psz_chapter->i_user_start_time - psz_chapter->i_start_time;
5436         if ( psz_chapter->i_seekpoint_num > 0 )
5437         {
5438             demuxer.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
5439             demuxer.info.i_title = p_sys->i_current_title = i_sys_title;
5440             demuxer.info.i_seekpoint = psz_chapter->i_seekpoint_num - 1;
5441         }
5442     }
5443
5444     // find the best matching segment
5445     for ( i=0; i<linked_segments.size(); i++ )
5446     {
5447         if ( i_date < linked_segments[i]->i_start_time )
5448             break;
5449     }
5450
5451     if ( i > 0 )
5452         i--;
5453
5454     if ( i_current_segment != i  )
5455     {
5456         linked_segments[i_current_segment]->UnSelect();
5457         linked_segments[i]->Select( i_date );
5458         i_current_segment = i;
5459     }
5460
5461     linked_segments[i]->Seek( i_date, i_time_offset );
5462 }
5463
5464 void chapter_codec_cmds_c::AddCommand( const KaxChapterProcessCommand & command )
5465 {
5466     size_t i;
5467
5468     uint32 codec_time = uint32(-1);
5469     for( i = 0; i < command.ListSize(); i++ )
5470     {
5471         const EbmlElement *k = command[i];
5472
5473         if( MKV_IS_ID( k, KaxChapterProcessTime ) )
5474         {
5475             codec_time = uint32( *static_cast<const KaxChapterProcessTime*>( k ) );
5476             break;
5477         }
5478     }
5479
5480     for( i = 0; i < command.ListSize(); i++ )
5481     {
5482         const EbmlElement *k = command[i];
5483
5484         if( MKV_IS_ID( k, KaxChapterProcessData ) )
5485         {
5486             KaxChapterProcessData *p_data =  new KaxChapterProcessData( *static_cast<const KaxChapterProcessData*>( k ) );
5487             switch ( codec_time )
5488             {
5489             case 0:
5490                 during_cmds.push_back( p_data );
5491                 break;
5492             case 1:
5493                 enter_cmds.push_back( p_data );
5494                 break;
5495             case 2:
5496                 leave_cmds.push_back( p_data );
5497                 break;
5498             default:
5499                 delete p_data;
5500             }
5501         }
5502     }
5503 }
5504
5505 bool chapter_item_c::Enter( bool b_do_subs )
5506 {
5507     bool f_result = false;
5508     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5509     while ( index != codecs.end() )
5510     {
5511         f_result |= (*index)->Enter();
5512         index++;
5513     }
5514
5515     if ( b_do_subs )
5516     {
5517         // sub chapters
5518         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5519         while ( index_ != sub_chapters.end() )
5520         {
5521             f_result |= (*index_)->Enter( true );
5522             index_++;
5523         }
5524     }
5525     return f_result;
5526 }
5527
5528 bool chapter_item_c::Leave( bool b_do_subs )
5529 {
5530     bool f_result = false;
5531     b_is_leaving = true;
5532     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5533     while ( index != codecs.end() )
5534     {
5535         f_result |= (*index)->Leave();
5536         index++;
5537     }
5538
5539     if ( b_do_subs )
5540     {
5541         // sub chapters
5542         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5543         while ( index_ != sub_chapters.end() )
5544         {
5545             f_result |= (*index_)->Leave( true );
5546             index_++;
5547         }
5548     }
5549     b_is_leaving = false;
5550     return f_result;
5551 }
5552
5553 bool chapter_item_c::EnterAndLeave( chapter_item_c *p_item, bool b_final_enter )
5554 {
5555     chapter_item_c *p_common_parent = p_item;
5556
5557     // leave, up to a common parent
5558     while ( p_common_parent != NULL && !p_common_parent->ParentOf( *this ) )
5559     {
5560         if ( !p_common_parent->b_is_leaving && p_common_parent->Leave( false ) )
5561             return true;
5562         p_common_parent = p_common_parent->psz_parent;
5563     }
5564
5565     // enter from the parent to <this>
5566     if ( p_common_parent != NULL )
5567     {
5568         do
5569         {
5570             if ( p_common_parent == this )
5571                 return Enter( true );
5572
5573             for ( size_t i = 0; i<p_common_parent->sub_chapters.size(); i++ )
5574             {
5575                 if ( p_common_parent->sub_chapters[i]->ParentOf( *this ) )
5576                 {
5577                     p_common_parent = p_common_parent->sub_chapters[i];
5578                     if ( p_common_parent != this )
5579                         if ( p_common_parent->Enter( false ) )
5580                             return true;
5581
5582                     break;
5583                 }
5584             }
5585         } while ( 1 );
5586     }
5587
5588     if ( b_final_enter )
5589         return Enter( true );
5590     else
5591         return false;
5592 }
5593
5594 bool dvd_chapter_codec_c::Enter()
5595 {
5596     bool f_result = false;
5597     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
5598     while ( index != enter_cmds.end() )
5599     {
5600         if ( (*index)->GetSize() )
5601         {
5602             binary *p_data = (*index)->GetBuffer();
5603             size_t i_size = *p_data++;
5604             // avoid reading too much from the buffer
5605             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
5606             for ( ; i_size > 0; i_size--, p_data += 8 )
5607             {
5608                 msg_Dbg( &sys.demuxer, "Matroska DVD enter command" );
5609                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5610             }
5611         }
5612         index++;
5613     }
5614     return f_result;
5615 }
5616
5617 bool dvd_chapter_codec_c::Leave()
5618 {
5619     bool f_result = false;
5620     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
5621     while ( index != leave_cmds.end() )
5622     {
5623         if ( (*index)->GetSize() )
5624         {
5625             binary *p_data = (*index)->GetBuffer();
5626             size_t i_size = *p_data++;
5627             // avoid reading too much from the buffer
5628             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
5629             for ( ; i_size > 0; i_size--, p_data += 8 )
5630             {
5631                 msg_Dbg( &sys.demuxer, "Matroska DVD leave command" );
5632                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5633             }
5634         }
5635         index++;
5636     }
5637     return f_result;
5638 }
5639
5640 // see http://www.dvd-replica.com/DVD/vmcmdset.php for a description of DVD commands
5641 bool dvd_command_interpretor_c::Interpret( const binary * p_command, size_t i_size )
5642 {
5643     if ( i_size != 8 )
5644         return false;
5645
5646     virtual_segment_c *p_segment = NULL;
5647     chapter_item_c *p_chapter = NULL;
5648     bool f_result = false;
5649     uint16 i_command = ( p_command[0] << 8 ) + p_command[1];
5650
5651     // handle register tests if there are some
5652     if ( (i_command & 0xF0) != 0 )
5653     {
5654         bool b_test_positive = true;//(i_command & CMD_DVD_IF_NOT) == 0;
5655         bool b_test_value    = (i_command & CMD_DVD_TEST_VALUE) != 0;
5656         uint8 i_test = i_command & 0x70;
5657         uint16 i_value;
5658
5659         // see http://dvd.sourceforge.net/dvdinfo/vmi.html
5660         uint8  i_cr1;
5661         uint16 i_cr2;
5662         switch ( i_command >> 12 )
5663         {
5664         default:
5665             i_cr1 = p_command[3];
5666             i_cr2 = (p_command[4] << 8) + p_command[5];
5667             break;
5668         case 3:
5669         case 4:
5670         case 5:
5671             i_cr1 = p_command[6];
5672             i_cr2 = p_command[7];
5673             b_test_value = false;
5674             break;
5675         case 6:
5676         case 7:
5677             if ( ((p_command[1] >> 4) & 0x7) == 0)
5678             {
5679                 i_cr1 = p_command[2];
5680                 i_cr2 = (p_command[6] << 8) + p_command[7];
5681             }
5682             else
5683             {
5684                 i_cr1 = p_command[2];
5685                 i_cr2 = (p_command[6] << 8) + p_command[7];
5686             }
5687             break;
5688         }
5689
5690         if ( b_test_value )
5691             i_value = i_cr2;
5692         else
5693             i_value = GetPRM( i_cr2 );
5694
5695         switch ( i_test )
5696         {
5697         case CMD_DVD_IF_GPREG_EQUAL:
5698             // if equals
5699             msg_Dbg( &sys.demuxer, "IF %s EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5700             if (!( GetPRM( i_cr1 ) == i_value ))
5701             {
5702                 b_test_positive = false;
5703             }
5704             break;
5705         case CMD_DVD_IF_GPREG_NOT_EQUAL:
5706             // if not equals
5707             msg_Dbg( &sys.demuxer, "IF %s NOT EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5708             if (!( GetPRM( i_cr1 ) != i_value ))
5709             {
5710                 b_test_positive = false;
5711             }
5712             break;
5713         case CMD_DVD_IF_GPREG_INF:
5714             // if inferior
5715             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5716             if (!( GetPRM( i_cr1 ) < i_value ))
5717             {
5718                 b_test_positive = false;
5719             }
5720             break;
5721         case CMD_DVD_IF_GPREG_INF_EQUAL:
5722             // if inferior or equal
5723             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5724             if (!( GetPRM( i_cr1 ) <= i_value ))
5725             {
5726                 b_test_positive = false;
5727             }
5728             break;
5729         case CMD_DVD_IF_GPREG_AND:
5730             // if logical and
5731             msg_Dbg( &sys.demuxer, "IF %s & %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5732             if (!( GetPRM( i_cr1 ) & i_value ))
5733             {
5734                 b_test_positive = false;
5735             }
5736             break;
5737         case CMD_DVD_IF_GPREG_SUP:
5738             // if superior
5739             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5740             if (!( GetPRM( i_cr1 ) > i_value ))
5741             {
5742                 b_test_positive = false;
5743             }
5744             break;
5745         case CMD_DVD_IF_GPREG_SUP_EQUAL:
5746             // if superior or equal
5747             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5748             if (!( GetPRM( i_cr1 ) >= i_value ))
5749             {
5750                 b_test_positive = false;
5751             }
5752             break;
5753         }
5754
5755         if ( !b_test_positive )
5756             return false;
5757     }
5758
5759     // strip the test command
5760     i_command &= 0xFF0F;
5761
5762     switch ( i_command )
5763     {
5764     case CMD_DVD_NOP:
5765     case CMD_DVD_NOP2:
5766         {
5767             msg_Dbg( &sys.demuxer, "NOP" );
5768             break;
5769         }
5770     case CMD_DVD_BREAK:
5771         {
5772             msg_Dbg( &sys.demuxer, "Break" );
5773             // TODO
5774             break;
5775         }
5776     case CMD_DVD_JUMP_TT:
5777         {
5778             uint8 i_title = p_command[5];
5779             msg_Dbg( &sys.demuxer, "JumpTT %d", i_title );
5780
5781             // find in the ChapProcessPrivate matching this Title level
5782             p_chapter = sys.BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title), p_segment );
5783             if ( p_segment != NULL )
5784             {
5785                 sys.JumpTo( *p_segment, p_chapter );
5786                 f_result = true;
5787             }
5788
5789             break;
5790         }
5791     case CMD_DVD_CALLSS_VTSM1:
5792         {
5793             msg_Dbg( &sys.demuxer, "CallSS" );
5794             binary p_type;
5795             switch( (p_command[6] & 0xC0) >> 6 ) {
5796                 case 0:
5797                     p_type = p_command[5] & 0x0F;
5798                     switch ( p_type )
5799                     {
5800                     case 0x00:
5801                         msg_Dbg( &sys.demuxer, "CallSS PGC (rsm_cell %x)", p_command[4]);
5802                         break;
5803                     case 0x02:
5804                         msg_Dbg( &sys.demuxer, "CallSS Title Entry (rsm_cell %x)", p_command[4]);
5805                         break;
5806                     case 0x03:
5807                         msg_Dbg( &sys.demuxer, "CallSS Root Menu (rsm_cell %x)", p_command[4]);
5808                         break;
5809                     case 0x04:
5810                         msg_Dbg( &sys.demuxer, "CallSS Subpicture Menu (rsm_cell %x)", p_command[4]);
5811                         break;
5812                     case 0x05:
5813                         msg_Dbg( &sys.demuxer, "CallSS Audio Menu (rsm_cell %x)", p_command[4]);
5814                         break;
5815                     case 0x06:
5816                         msg_Dbg( &sys.demuxer, "CallSS Angle Menu (rsm_cell %x)", p_command[4]);
5817                         break;
5818                     case 0x07:
5819                         msg_Dbg( &sys.demuxer, "CallSS Chapter Menu (rsm_cell %x)", p_command[4]);
5820                         break;
5821                     default:
5822                         msg_Dbg( &sys.demuxer, "CallSS <unknown> (rsm_cell %x)", p_command[4]);
5823                         break;
5824                     }
5825                     p_chapter = sys.BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1, p_segment );
5826                     if ( p_segment != NULL )
5827                     {
5828                         sys.JumpTo( *p_segment, p_chapter );
5829                         f_result = true;
5830                     }
5831                 break;
5832                 case 1:
5833                     msg_Dbg( &sys.demuxer, "CallSS VMGM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
5834                 break;
5835                 case 2:
5836                     msg_Dbg( &sys.demuxer, "CallSS VTSM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
5837                 break;
5838                 case 3:
5839                     msg_Dbg( &sys.demuxer, "CallSS VMGM (pgc %d, rsm_cell %x)", (p_command[2] << 8) + p_command[3], p_command[4]);
5840                 break;
5841             }
5842             break;
5843         }
5844     case CMD_DVD_JUMP_SS:
5845         {
5846             msg_Dbg( &sys.demuxer, "JumpSS");
5847             binary p_type;
5848             switch( (p_command[5] & 0xC0) >> 6 ) {
5849                 case 0:
5850                     msg_Dbg( &sys.demuxer, "JumpSS FP");
5851                 break;
5852                 case 1:
5853                     p_type = p_command[5] & 0x0F;
5854                     switch ( p_type )
5855                     {
5856                     case 0x02:
5857                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Title Entry");
5858                         break;
5859                     case 0x03:
5860                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Root Menu");
5861                         break;
5862                     case 0x04:
5863                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Subpicture Menu");
5864                         break;
5865                     case 0x05:
5866                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Audio Menu");
5867                         break;
5868                     case 0x06:
5869                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Angle Menu");
5870                         break;
5871                     case 0x07:
5872                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Chapter Menu");
5873                         break;
5874                     default:
5875                         msg_Dbg( &sys.demuxer, "JumpSS <unknown>");
5876                         break;
5877                     }
5878                     // find the VMG
5879                     p_chapter = sys.BrowseCodecPrivate( 1, MatchIsVMG, NULL, 0, p_segment );
5880                     if ( p_segment != NULL )
5881                     {
5882                         p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
5883                         if ( p_chapter != NULL )
5884                         {
5885                             sys.JumpTo( *p_segment, p_chapter );
5886                             f_result = true;
5887                         }
5888                     }
5889                 break;
5890                 case 2:
5891                     p_type = p_command[5] & 0x0F;
5892                     switch ( p_type )
5893                     {
5894                     case 0x02:
5895                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Title Entry", p_command[4], p_command[3]);
5896                         break;
5897                     case 0x03:
5898                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Root Menu", p_command[4], p_command[3]);
5899                         break;
5900                     case 0x04:
5901                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Subpicture Menu", p_command[4], p_command[3]);
5902                         break;
5903                     case 0x05:
5904                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Audio Menu", p_command[4], p_command[3]);
5905                         break;
5906                     case 0x06:
5907                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Angle Menu", p_command[4], p_command[3]);
5908                         break;
5909                     case 0x07:
5910                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Chapter Menu", p_command[4], p_command[3]);
5911                         break;
5912                     default:
5913                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) <unknown>", p_command[4], p_command[3]);
5914                         break;
5915                     }
5916
5917                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSMNumber, &p_command[4], 1, p_segment );
5918
5919                     if ( p_segment != NULL && p_chapter != NULL )
5920                     {
5921                         // find the title in the VTS
5922                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &p_command[3], 1 );
5923                         if ( p_chapter != NULL )
5924                         {
5925                             // find the specified menu in the VTSM
5926                             p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
5927                             if ( p_chapter != NULL )
5928                             {
5929                                 sys.JumpTo( *p_segment, p_chapter );
5930                                 f_result = true;
5931                             }
5932                         }
5933                         else
5934                             msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", p_command[3] );
5935                     }
5936                     else
5937                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", p_command[4] );
5938                 break;
5939                 case 3:
5940                     msg_Dbg( &sys.demuxer, "JumpSS VMGM (pgc %d)", (p_command[2] << 8) + p_command[3]);
5941                 break;
5942             }
5943             break;
5944         }
5945     case CMD_DVD_JUMPVTS_PTT:
5946         {
5947             uint8 i_title = p_command[5];
5948             uint8 i_ptt = p_command[3];
5949
5950             msg_Dbg( &sys.demuxer, "JumpVTS Title (%d) PTT (%d)", i_title, i_ptt);
5951
5952             // find the current VTS content segment
5953             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchIsDomain, NULL, 0 );
5954             if ( p_chapter != NULL )
5955             {
5956                 int16 i_curr_title = p_chapter->GetTitleNumber( );
5957                 if ( i_curr_title > 0 )
5958                 {
5959                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSNumber, &i_curr_title, sizeof(i_curr_title), p_segment );
5960
5961                     if ( p_segment != NULL && p_chapter != NULL )
5962                     {
5963                         // find the title in the VTS
5964                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title) );
5965                         if ( p_chapter != NULL )
5966                         {
5967                             // find the chapter in the title
5968                             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchChapterNumber, &i_ptt, sizeof(i_ptt) );
5969                             if ( p_chapter != NULL )
5970                             {
5971                                 sys.JumpTo( *p_segment, p_chapter );
5972                                 f_result = true;
5973                             }
5974                         }
5975                     else
5976                         msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", i_title );
5977                     }
5978                     else
5979                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", i_curr_title );
5980                 }
5981                 else
5982                     msg_Dbg( &sys.demuxer, "JumpVTS_PTT command found but not in a VTS(M)");
5983             }
5984             else
5985                 msg_Dbg( &sys.demuxer, "JumpVTS_PTT command but the DVD domain wasn't found");
5986             break;
5987         }
5988     case CMD_DVD_SET_GPRMMD:
5989         {
5990             msg_Dbg( &sys.demuxer, "Set GPRMMD [%d]=%d", (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3]);
5991
5992             if ( !SetGPRM( (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3] ) )
5993                 msg_Dbg( &sys.demuxer, "Set GPRMMD failed" );
5994             break;
5995         }
5996     case CMD_DVD_LINKPGCN:
5997         {
5998             uint16 i_pgcn = (p_command[6] << 8) + p_command[7];
5999
6000             msg_Dbg( &sys.demuxer, "Link PGCN(%d)", i_pgcn );
6001             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchPgcNumber, &i_pgcn, 2 );
6002             if ( p_chapter != NULL )
6003             {
6004                 if ( !p_chapter->Enter( true ) )
6005                     // jump to the location in the found segment
6006                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6007
6008                 f_result = true;
6009             }
6010             break;
6011         }
6012     case CMD_DVD_LINKCN:
6013         {
6014             uint8 i_cn = p_command[7];
6015
6016             p_chapter = sys.p_current_segment->CurrentChapter();
6017
6018             msg_Dbg( &sys.demuxer, "LinkCN (cell %d)", i_cn );
6019             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchCellNumber, &i_cn, 1 );
6020             if ( p_chapter != NULL )
6021             {
6022                 if ( !p_chapter->Enter( true ) )
6023                     // jump to the location in the found segment
6024                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6025
6026                 f_result = true;
6027             }
6028             break;
6029         }
6030     case CMD_DVD_GOTO_LINE:
6031         {
6032             msg_Dbg( &sys.demuxer, "GotoLine (%d)", (p_command[6] << 8) + p_command[7] );
6033             // TODO
6034             break;
6035         }
6036     case CMD_DVD_SET_HL_BTNN1:
6037         {
6038             msg_Dbg( &sys.demuxer, "SetHL_BTN (%d)", p_command[4] );
6039             SetSPRM( 0x88, p_command[4] );
6040             break;
6041         }
6042     default:
6043         {
6044             msg_Dbg( &sys.demuxer, "unsupported command : %02X %02X %02X %02X %02X %02X %02X %02X"
6045                      ,p_command[0]
6046                      ,p_command[1]
6047                      ,p_command[2]
6048                      ,p_command[3]
6049                      ,p_command[4]
6050                      ,p_command[5]
6051                      ,p_command[6]
6052                      ,p_command[7]);
6053             break;
6054         }
6055     }
6056
6057     return f_result;
6058 }
6059
6060 bool dvd_command_interpretor_c::MatchIsDomain( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6061 {
6062     return ( data.p_private_data != NULL && data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS );
6063 }
6064
6065 bool dvd_command_interpretor_c::MatchIsVMG( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6066 {
6067     if ( data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
6068         return false;
6069
6070     return ( data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS && data.p_private_data->GetBuffer()[1] == 0xC0);
6071 }
6072
6073 bool dvd_command_interpretor_c::MatchVTSNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6074 {
6075     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6076         return false;
6077
6078     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x80 )
6079         return false;
6080
6081     uint16 i_gtitle = (data.p_private_data->GetBuffer()[2] << 8 ) + data.p_private_data->GetBuffer()[3];
6082     uint16 i_title = *(uint16*)p_cookie;
6083
6084     return (i_gtitle == i_title);
6085 }
6086
6087 bool dvd_command_interpretor_c::MatchVTSMNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6088 {
6089     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6090         return false;
6091
6092     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x40 )
6093         return false;
6094
6095     uint8 i_gtitle = data.p_private_data->GetBuffer()[3];
6096     uint8 i_title = *(uint8*)p_cookie;
6097
6098     return (i_gtitle == i_title);
6099 }
6100
6101 bool dvd_command_interpretor_c::MatchTitleNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6102 {
6103     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6104         return false;
6105
6106     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_TT )
6107         return false;
6108
6109     uint16 i_gtitle = (data.p_private_data->GetBuffer()[1] << 8 ) + data.p_private_data->GetBuffer()[2];
6110     uint8 i_title = *(uint8*)p_cookie;
6111
6112     return (i_gtitle == i_title);
6113 }
6114
6115 bool dvd_command_interpretor_c::MatchPgcType( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6116 {
6117     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6118         return false;
6119
6120     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6121         return false;
6122
6123     uint8 i_pgc_type = data.p_private_data->GetBuffer()[3] & 0x0F;
6124     uint8 i_pgc = *(uint8*)p_cookie;
6125
6126     return (i_pgc_type == i_pgc);
6127 }
6128
6129 bool dvd_command_interpretor_c::MatchPgcNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6130 {
6131     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6132         return false;
6133
6134     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6135         return false;
6136
6137     uint16 *i_pgc_n = (uint16 *)p_cookie;
6138     uint16 i_pgc_num = (data.p_private_data->GetBuffer()[1] << 8) + data.p_private_data->GetBuffer()[2];
6139
6140     return (i_pgc_num == *i_pgc_n);
6141 }
6142
6143 bool dvd_command_interpretor_c::MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6144 {
6145     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
6146         return false;
6147
6148     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PTT )
6149         return false;
6150
6151     uint8 i_chapter = data.p_private_data->GetBuffer()[1];
6152     uint8 i_ptt = *(uint8*)p_cookie;
6153
6154     return (i_chapter == i_ptt);
6155 }
6156
6157 bool dvd_command_interpretor_c::MatchCellNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6158 {
6159     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 5 )
6160         return false;
6161
6162     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_CN )
6163         return false;
6164
6165     uint8 *i_cell_n = (uint8 *)p_cookie;
6166     uint8 i_cell_num = data.p_private_data->GetBuffer()[3];
6167
6168     return (i_cell_num == *i_cell_n);
6169 }
6170
6171 bool matroska_script_codec_c::Enter()
6172 {
6173     bool f_result = false;
6174     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
6175     while ( index != enter_cmds.end() )
6176     {
6177         if ( (*index)->GetSize() )
6178         {
6179             msg_Dbg( &sys.demuxer, "Matroska Script enter command" );
6180             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6181         }
6182         index++;
6183     }
6184     return f_result;
6185 }
6186
6187 bool matroska_script_codec_c::Leave()
6188 {
6189     bool f_result = false;
6190     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
6191     while ( index != leave_cmds.end() )
6192     {
6193         if ( (*index)->GetSize() )
6194         {
6195             msg_Dbg( &sys.demuxer, "Matroska Script leave command" );
6196             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6197         }
6198         index++;
6199     }
6200     return f_result;
6201 }
6202
6203 // see http://www.matroska.org/technical/specs/chapters/index.html#mscript
6204 //  for a description of existing commands
6205 bool matroska_script_interpretor_c::Interpret( const binary * p_command, size_t i_size )
6206 {
6207     bool b_result = false;
6208
6209     char *psz_str = (char*) malloc( i_size + 1 );
6210     memcpy( psz_str, p_command, i_size );
6211     psz_str[ i_size ] = '\0';
6212
6213     std::string sz_command = psz_str;
6214     free( psz_str );
6215
6216     msg_Dbg( &sys.demuxer, "command : %s", sz_command.c_str() );
6217
6218 #if defined(__GNUC__) && (__GNUC__ < 3)
6219     if ( sz_command.compare( CMD_MS_GOTO_AND_PLAY, 0, CMD_MS_GOTO_AND_PLAY.size() ) == 0 )
6220 #else
6221     if ( sz_command.compare( 0, CMD_MS_GOTO_AND_PLAY.size(), CMD_MS_GOTO_AND_PLAY ) == 0 )
6222 #endif
6223     {
6224         size_t i,j;
6225
6226         // find the (
6227         for ( i=CMD_MS_GOTO_AND_PLAY.size(); i<sz_command.size(); i++)
6228         {
6229             if ( sz_command[i] == '(' )
6230             {
6231                 i++;
6232                 break;
6233             }
6234         }
6235         // find the )
6236         for ( j=i; j<sz_command.size(); j++)
6237         {
6238             if ( sz_command[j] == ')' )
6239             {
6240                 i--;
6241                 break;
6242             }
6243         }
6244
6245         std::string st = sz_command.substr( i+1, j-i-1 );
6246         int64_t i_chapter_uid = atoi( st.c_str() );
6247
6248         virtual_segment_c *p_segment;
6249         chapter_item_c *p_chapter = sys.FindChapter( i_chapter_uid, p_segment );
6250
6251         if ( p_chapter == NULL )
6252             msg_Dbg( &sys.demuxer, "Chapter "I64Fd" not found", i_chapter_uid);
6253         else
6254         {
6255             if ( !p_chapter->EnterAndLeave( sys.p_current_segment->CurrentChapter() ) )
6256                 p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6257             b_result = true;
6258         }
6259     }
6260
6261     return b_result;
6262 }
6263
6264 void demux_sys_t::SwapButtons()
6265 {
6266 #ifndef WORDS_BIGENDIAN
6267     uint8_t button, i, j;
6268
6269     for( button = 1; button <= pci_packet.hli.hl_gi.btn_ns; button++) {
6270         btni_t *button_ptr = &(pci_packet.hli.btnit[button-1]);
6271         binary *p_data = (binary*) button_ptr;
6272
6273         uint16 i_x_start = ((p_data[0] & 0x3F) << 4 ) + ( p_data[1] >> 4 );
6274         uint16 i_x_end   = ((p_data[1] & 0x03) << 8 ) + p_data[2];
6275         uint16 i_y_start = ((p_data[3] & 0x3F) << 4 ) + ( p_data[4] >> 4 );
6276         uint16 i_y_end   = ((p_data[4] & 0x03) << 8 ) + p_data[5];
6277         button_ptr->x_start = i_x_start;
6278         button_ptr->x_end   = i_x_end;
6279         button_ptr->y_start = i_y_start;
6280         button_ptr->y_end   = i_y_end;
6281
6282     }
6283     for ( i = 0; i<3; i++ )
6284     {
6285         for ( j = 0; j<2; j++ )
6286         {
6287             pci_packet.hli.btn_colit.btn_coli[i][j] = U32_AT( &pci_packet.hli.btn_colit.btn_coli[i][j] );
6288         }
6289     }
6290 #endif
6291 }