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