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
1907         es_out_Send( p_demux->out, tk->p_es, p_block );
1908
1909         /* use time stamp only for first block */
1910         i_pts = 0;
1911     }
1912
1913 #undef tk
1914 }
1915
1916 matroska_stream_c *demux_sys_t::AnalyseAllSegmentsFound( EbmlStream *p_estream )
1917 {
1918     int i_upper_lvl = 0;
1919     size_t i;
1920     EbmlElement *p_l0, *p_l1, *p_l2;
1921     bool b_keep_stream = false, b_keep_segment;
1922
1923     // verify the EBML Header
1924     p_l0 = p_estream->FindNextID(EbmlHead::ClassInfos, 0xFFFFFFFFL);
1925     if (p_l0 == NULL)
1926     {
1927         return NULL;
1928     }
1929     p_l0->SkipData(*p_estream, EbmlHead_Context);
1930     delete p_l0;
1931
1932     // find all segments in this file
1933     p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFFLL);
1934     if (p_l0 == NULL)
1935     {
1936         return NULL;
1937     }
1938
1939     matroska_stream_c *p_stream1 = new matroska_stream_c( *this );
1940
1941     while (p_l0 != 0)
1942     {
1943         if (EbmlId(*p_l0) == KaxSegment::ClassInfos.GlobalId)
1944         {
1945             EbmlParser  *ep;
1946             matroska_segment_c *p_segment1 = new matroska_segment_c( *this, *p_estream );
1947             b_keep_segment = false;
1948
1949             ep = new EbmlParser(p_estream, p_l0, &demuxer );
1950             p_segment1->ep = ep;
1951             p_segment1->segment = (KaxSegment*)p_l0;
1952
1953             while ((p_l1 = ep->Get()))
1954             {
1955                 if (MKV_IS_ID(p_l1, KaxInfo))
1956                 {
1957                     // find the families of this segment
1958                     KaxInfo *p_info = static_cast<KaxInfo*>(p_l1);
1959
1960                     p_info->Read(*p_estream, KaxInfo::ClassInfos.Context, i_upper_lvl, p_l2, true);
1961                     for( i = 0; i < p_info->ListSize(); i++ )
1962                     {
1963                         EbmlElement *l = (*p_info)[i];
1964
1965                         if( MKV_IS_ID( l, KaxSegmentUID ) )
1966                         {
1967                             KaxSegmentUID *p_uid = static_cast<KaxSegmentUID*>(l);
1968                             b_keep_segment = (FindSegment( *p_uid ) == NULL);
1969                             if ( !b_keep_segment )
1970                                 break; // this segment is already known
1971                             opened_segments.push_back( p_segment1 );
1972                             delete p_segment1->p_segment_uid;
1973                             p_segment1->p_segment_uid = new KaxSegmentUID(*p_uid);
1974                         }
1975                         else if( MKV_IS_ID( l, KaxPrevUID ) )
1976                         {
1977                             p_segment1->p_prev_segment_uid = new KaxPrevUID( *static_cast<KaxPrevUID*>(l) );
1978                         }
1979                         else if( MKV_IS_ID( l, KaxNextUID ) )
1980                         {
1981                             p_segment1->p_next_segment_uid = new KaxNextUID( *static_cast<KaxNextUID*>(l) );
1982                         }
1983                         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
1984                         {
1985                             KaxSegmentFamily *p_fam = new KaxSegmentFamily( *static_cast<KaxSegmentFamily*>(l) );
1986                             p_segment1->families.push_back( *p_fam );
1987                         }
1988                     }
1989                     break;
1990                 }
1991             }
1992             if ( b_keep_segment )
1993             {
1994                 b_keep_stream = true;
1995                 p_stream1->segments.push_back( p_segment1 );
1996             }
1997             else
1998                 delete p_segment1;
1999         }
2000
2001         p_l0->SkipData(*p_estream, EbmlHead_Context);
2002         p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFL);
2003     }
2004
2005     if ( !b_keep_stream )
2006     {
2007         delete p_stream1;
2008         p_stream1 = NULL;
2009     }
2010
2011     return p_stream1;
2012 }
2013
2014 bool matroska_segment_c::Select( mtime_t i_start_time )
2015 {
2016     size_t i_track;
2017
2018     /* add all es */
2019     msg_Dbg( &sys.demuxer, "found %d es", (int)tracks.size() );
2020     sys.b_pci_packet_set = false;
2021
2022     for( i_track = 0; i_track < tracks.size(); i_track++ )
2023     {
2024         if( tracks[i_track]->fmt.i_cat == UNKNOWN_ES )
2025         {
2026             msg_Warn( &sys.demuxer, "invalid track[%d, n=%d]", (int)i_track, tracks[i_track]->i_number );
2027             tracks[i_track]->p_es = NULL;
2028             continue;
2029         }
2030
2031         if( !strcmp( tracks[i_track]->psz_codec, "V_MS/VFW/FOURCC" ) )
2032         {
2033             if( tracks[i_track]->i_extra_data < (int)sizeof( BITMAPINFOHEADER ) )
2034             {
2035                 msg_Err( &sys.demuxer, "missing/invalid BITMAPINFOHEADER" );
2036                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2037             }
2038             else
2039             {
2040                 BITMAPINFOHEADER *p_bih = (BITMAPINFOHEADER*)tracks[i_track]->p_extra_data;
2041
2042                 tracks[i_track]->fmt.video.i_width = GetDWLE( &p_bih->biWidth );
2043                 tracks[i_track]->fmt.video.i_height= GetDWLE( &p_bih->biHeight );
2044                 tracks[i_track]->fmt.i_codec       = GetFOURCC( &p_bih->biCompression );
2045
2046                 tracks[i_track]->fmt.i_extra       = GetDWLE( &p_bih->biSize ) - sizeof( BITMAPINFOHEADER );
2047                 if( tracks[i_track]->fmt.i_extra > 0 )
2048                 {
2049                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2050                     memcpy( tracks[i_track]->fmt.p_extra, &p_bih[1], tracks[i_track]->fmt.i_extra );
2051                 }
2052             }
2053         }
2054         else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG1" ) ||
2055                  !strcmp( tracks[i_track]->psz_codec, "V_MPEG2" ) )
2056         {
2057             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'v' );
2058         }
2059         else if( !strncmp( tracks[i_track]->psz_codec, "V_MPEG4", 7 ) )
2060         {
2061             if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/MS/V3" ) )
2062             {
2063                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'D', 'I', 'V', '3' );
2064             }
2065             else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/ISO/AVC" ) )
2066             {
2067                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'v', 'c', '1' );
2068                 tracks[i_track]->fmt.b_packetized = VLC_FALSE;
2069                 tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2070                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2071                 memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2072             }
2073             else
2074             {
2075                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' );
2076             }
2077         }
2078         else if( !strcmp( tracks[i_track]->psz_codec, "V_QUICKTIME" ) )
2079         {
2080             MP4_Box_t *p_box = (MP4_Box_t*)malloc( sizeof( MP4_Box_t ) );
2081             stream_t *p_mp4_stream = stream_MemoryNew( VLC_OBJECT(&sys.demuxer),
2082                                                        tracks[i_track]->p_extra_data,
2083                                                        tracks[i_track]->i_extra_data,
2084                                                        VLC_FALSE );
2085             MP4_ReadBoxCommon( p_mp4_stream, p_box );
2086             MP4_ReadBox_sample_vide( p_mp4_stream, p_box );
2087             tracks[i_track]->fmt.i_codec = p_box->i_type;
2088             tracks[i_track]->fmt.video.i_width = p_box->data.p_sample_vide->i_width;
2089             tracks[i_track]->fmt.video.i_height = p_box->data.p_sample_vide->i_height;
2090             tracks[i_track]->fmt.i_extra = p_box->data.p_sample_vide->i_qt_image_description;
2091             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2092             memcpy( tracks[i_track]->fmt.p_extra, p_box->data.p_sample_vide->p_qt_image_description, tracks[i_track]->fmt.i_extra );
2093             MP4_FreeBox_sample_vide( p_box );
2094             stream_Delete( p_mp4_stream );
2095         }
2096         else if( !strcmp( tracks[i_track]->psz_codec, "A_MS/ACM" ) )
2097         {
2098             if( tracks[i_track]->i_extra_data < (int)sizeof( WAVEFORMATEX ) )
2099             {
2100                 msg_Err( &sys.demuxer, "missing/invalid WAVEFORMATEX" );
2101                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2102             }
2103             else
2104             {
2105                 WAVEFORMATEX *p_wf = (WAVEFORMATEX*)tracks[i_track]->p_extra_data;
2106
2107                 wf_tag_to_fourcc( GetWLE( &p_wf->wFormatTag ), &tracks[i_track]->fmt.i_codec, NULL );
2108
2109                 tracks[i_track]->fmt.audio.i_channels   = GetWLE( &p_wf->nChannels );
2110                 tracks[i_track]->fmt.audio.i_rate = GetDWLE( &p_wf->nSamplesPerSec );
2111                 tracks[i_track]->fmt.i_bitrate    = GetDWLE( &p_wf->nAvgBytesPerSec ) * 8;
2112                 tracks[i_track]->fmt.audio.i_blockalign = GetWLE( &p_wf->nBlockAlign );;
2113                 tracks[i_track]->fmt.audio.i_bitspersample = GetWLE( &p_wf->wBitsPerSample );
2114
2115                 tracks[i_track]->fmt.i_extra            = GetWLE( &p_wf->cbSize );
2116                 if( tracks[i_track]->fmt.i_extra > 0 )
2117                 {
2118                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2119                     memcpy( tracks[i_track]->fmt.p_extra, &p_wf[1], tracks[i_track]->fmt.i_extra );
2120                 }
2121             }
2122         }
2123         else if( !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L3" ) ||
2124                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L2" ) ||
2125                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L1" ) )
2126         {
2127             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' );
2128         }
2129         else if( !strcmp( tracks[i_track]->psz_codec, "A_AC3" ) )
2130         {
2131             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' );
2132         }
2133         else if( !strcmp( tracks[i_track]->psz_codec, "A_DTS" ) )
2134         {
2135             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'd', 't', 's', ' ' );
2136         }
2137         else if( !strcmp( tracks[i_track]->psz_codec, "A_FLAC" ) )
2138         {
2139             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'f', 'l', 'a', 'c' );
2140             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2141             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2142             memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2143         }
2144         else if( !strcmp( tracks[i_track]->psz_codec, "A_VORBIS" ) )
2145         {
2146             int i, i_offset = 1, i_size[3], i_extra;
2147             uint8_t *p_extra;
2148
2149             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'v', 'o', 'r', 'b' );
2150
2151             /* Split the 3 headers */
2152             if( tracks[i_track]->p_extra_data[0] != 0x02 )
2153                 msg_Err( &sys.demuxer, "invalid vorbis header" );
2154
2155             for( i = 0; i < 2; i++ )
2156             {
2157                 i_size[i] = 0;
2158                 while( i_offset < tracks[i_track]->i_extra_data )
2159                 {
2160                     i_size[i] += tracks[i_track]->p_extra_data[i_offset];
2161                     if( tracks[i_track]->p_extra_data[i_offset++] != 0xff ) break;
2162                 }
2163             }
2164
2165             i_size[0] = __MIN(i_size[0], tracks[i_track]->i_extra_data - i_offset);
2166             i_size[1] = __MIN(i_size[1], tracks[i_track]->i_extra_data -i_offset -i_size[0]);
2167             i_size[2] = tracks[i_track]->i_extra_data - i_offset - i_size[0] - i_size[1];
2168
2169             tracks[i_track]->fmt.i_extra = 3 * 2 + i_size[0] + i_size[1] + i_size[2];
2170             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2171             p_extra = (uint8_t *)tracks[i_track]->fmt.p_extra; i_extra = 0;
2172             for( i = 0; i < 3; i++ )
2173             {
2174                 *(p_extra++) = i_size[i] >> 8;
2175                 *(p_extra++) = i_size[i] & 0xFF;
2176                 memcpy( p_extra, tracks[i_track]->p_extra_data + i_offset + i_extra,
2177                         i_size[i] );
2178                 p_extra += i_size[i];
2179                 i_extra += i_size[i];
2180             }
2181         }
2182         else if( !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG2/", strlen( "A_AAC/MPEG2/" ) ) ||
2183                  !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG4/", strlen( "A_AAC/MPEG4/" ) ) )
2184         {
2185             int i_profile, i_srate;
2186             static unsigned int i_sample_rates[] =
2187             {
2188                     96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050,
2189                         16000, 12000, 11025, 8000,  7350,  0,     0,     0
2190             };
2191
2192             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
2193             /* create data for faad (MP4DecSpecificDescrTag)*/
2194
2195             if( !strcmp( &tracks[i_track]->psz_codec[12], "MAIN" ) )
2196             {
2197                 i_profile = 0;
2198             }
2199             else if( !strcmp( &tracks[i_track]->psz_codec[12], "LC" ) )
2200             {
2201                 i_profile = 1;
2202             }
2203             else if( !strcmp( &tracks[i_track]->psz_codec[12], "SSR" ) )
2204             {
2205                 i_profile = 2;
2206             }
2207             else
2208             {
2209                 i_profile = 3;
2210             }
2211
2212             for( i_srate = 0; i_srate < 13; i_srate++ )
2213             {
2214                 if( i_sample_rates[i_srate] == tracks[i_track]->fmt.audio.i_rate )
2215                 {
2216                     break;
2217                 }
2218             }
2219             msg_Dbg( &sys.demuxer, "profile=%d srate=%d", i_profile, i_srate );
2220
2221             tracks[i_track]->fmt.i_extra = 2;
2222             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2223             ((uint8_t*)tracks[i_track]->fmt.p_extra)[0] = ((i_profile + 1) << 3) | ((i_srate&0xe) >> 1);
2224             ((uint8_t*)tracks[i_track]->fmt.p_extra)[1] = ((i_srate & 0x1) << 7) | (tracks[i_track]->fmt.audio.i_channels << 3);
2225         }
2226         else if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) ||
2227                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/LIT" ) ||
2228                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/FLOAT/IEEE" ) )
2229         {
2230             if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) )
2231             {
2232                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
2233             }
2234             else
2235             {
2236                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
2237             }
2238             tracks[i_track]->fmt.audio.i_blockalign = ( tracks[i_track]->fmt.audio.i_bitspersample + 7 ) / 8 * tracks[i_track]->fmt.audio.i_channels;
2239         }
2240         else if( !strcmp( tracks[i_track]->psz_codec, "A_TTA1" ) )
2241         {
2242             /* FIXME: support this codec */
2243             msg_Err( &sys.demuxer, "TTA not supported yet[%d, n=%d]", (int)i_track, tracks[i_track]->i_number );
2244             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2245         }
2246         else if( !strcmp( tracks[i_track]->psz_codec, "A_WAVPACK4" ) )
2247         {
2248             /* FIXME: support this codec */
2249             msg_Err( &sys.demuxer, "Wavpack not supported yet[%d, n=%d]", (int)i_track, tracks[i_track]->i_number );
2250             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2251         }
2252         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/UTF8" ) )
2253         {
2254             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 'u', 'b', 't' );
2255             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2256         }
2257         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/SSA" ) ||
2258                  !strcmp( tracks[i_track]->psz_codec, "S_TEXT/ASS" ) ||
2259                  !strcmp( tracks[i_track]->psz_codec, "S_SSA" ) ||
2260                  !strcmp( tracks[i_track]->psz_codec, "S_ASS" ))
2261         {
2262             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 's', 'a', ' ' );
2263             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2264         }
2265         else if( !strcmp( tracks[i_track]->psz_codec, "S_VOBSUB" ) )
2266         {
2267             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's','p','u',' ' );
2268             if( tracks[i_track]->i_extra_data )
2269             {
2270                 char *p_start;
2271                 char *p_buf = (char *)malloc( tracks[i_track]->i_extra_data + 1);
2272                 memcpy( p_buf, tracks[i_track]->p_extra_data , tracks[i_track]->i_extra_data );
2273                 p_buf[tracks[i_track]->i_extra_data] = '\0';
2274
2275                 p_start = strstr( p_buf, "size:" );
2276                 if( sscanf( p_start, "size: %dx%d",
2277                         &tracks[i_track]->fmt.subs.spu.i_original_frame_width, &tracks[i_track]->fmt.subs.spu.i_original_frame_height ) == 2 )
2278                 {
2279                     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 );
2280                 }
2281                 else
2282                 {
2283                     msg_Warn( &sys.demuxer, "reading original frame size for vobsub failed" );
2284                 }
2285                 free( p_buf );
2286             }
2287         }
2288         else if( !strcmp( tracks[i_track]->psz_codec, "B_VOBBTN" ) )
2289         {
2290             tracks[i_track]->fmt.i_cat = NAV_ES;
2291             continue;
2292         }
2293         else
2294         {
2295             msg_Err( &sys.demuxer, "unknow codec id=`%s'", tracks[i_track]->psz_codec );
2296             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2297         }
2298         if( tracks[i_track]->b_default )
2299         {
2300             tracks[i_track]->fmt.i_priority = 1000;
2301         }
2302
2303         tracks[i_track]->p_es = es_out_Add( sys.demuxer.out, &tracks[i_track]->fmt );
2304
2305         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_start_time );
2306     }
2307
2308     sys.i_start_pts = i_start_time;
2309     // reset the stream reading to the first cluster of the segment used
2310     es.I_O().setFilePointer( i_start_pos );
2311
2312     delete ep;
2313     ep = new EbmlParser( &es, segment, &sys.demuxer );
2314
2315     return true;
2316 }
2317
2318 void demux_sys_t::StartUiThread()
2319 {
2320     if ( !b_ui_hooked )
2321     {
2322         msg_Dbg( &demuxer, "Starting the UI Hook" );
2323         b_ui_hooked = true;
2324         /* FIXME hack hack hack hack FIXME */
2325         /* Get p_input and create variable */
2326         p_input = (input_thread_t *) vlc_object_find( &demuxer, VLC_OBJECT_INPUT, FIND_PARENT );
2327         var_Create( p_input, "x-start", VLC_VAR_INTEGER );
2328         var_Create( p_input, "y-start", VLC_VAR_INTEGER );
2329         var_Create( p_input, "x-end", VLC_VAR_INTEGER );
2330         var_Create( p_input, "y-end", VLC_VAR_INTEGER );
2331         var_Create( p_input, "color", VLC_VAR_ADDRESS );
2332         var_Create( p_input, "menu-palette", VLC_VAR_ADDRESS );
2333         var_Create( p_input, "highlight", VLC_VAR_BOOL );
2334         var_Create( p_input, "highlight-mutex", VLC_VAR_MUTEX );
2335
2336         /* Now create our event thread catcher */
2337         p_ev = (event_thread_t *) vlc_object_create( &demuxer, sizeof( event_thread_t ) );
2338         p_ev->p_demux = &demuxer;
2339         p_ev->b_die = VLC_FALSE;
2340         vlc_mutex_init( p_ev, &p_ev->lock );
2341         vlc_thread_create( p_ev, "mkv event thread handler", EventThread,
2342                         VLC_THREAD_PRIORITY_LOW, VLC_FALSE );
2343     }
2344 }
2345
2346 void demux_sys_t::StopUiThread()
2347 {
2348     if ( b_ui_hooked )
2349     {
2350         p_ev->b_die = VLC_TRUE;
2351
2352         vlc_thread_join( p_ev );
2353         vlc_object_destroy( p_ev );
2354
2355         p_ev = NULL;
2356
2357         var_Destroy( p_input, "highlight-mutex" );
2358         var_Destroy( p_input, "highlight" );
2359         var_Destroy( p_input, "x-start" );
2360         var_Destroy( p_input, "x-end" );
2361         var_Destroy( p_input, "y-start" );
2362         var_Destroy( p_input, "y-end" );
2363         var_Destroy( p_input, "color" );
2364         var_Destroy( p_input, "menu-palette" );
2365
2366         vlc_object_release( p_input );
2367
2368         msg_Dbg( &demuxer, "Stopping the UI Hook" );
2369     }
2370     b_ui_hooked = false;
2371 }
2372
2373 int demux_sys_t::EventMouse( vlc_object_t *p_this, char const *psz_var,
2374                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
2375 {
2376     event_thread_t *p_ev = (event_thread_t *) p_data;
2377     vlc_mutex_lock( &p_ev->lock );
2378     if( psz_var[6] == 'c' )
2379         p_ev->b_clicked = VLC_TRUE;
2380     else if( psz_var[6] == 'm' )
2381         p_ev->b_moved = VLC_TRUE;
2382     vlc_mutex_unlock( &p_ev->lock );
2383
2384     return VLC_SUCCESS;
2385 }
2386
2387 int demux_sys_t::EventKey( vlc_object_t *p_this, char const *psz_var,
2388                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
2389 {
2390     event_thread_t *p_ev = (event_thread_t *) p_data;
2391     vlc_mutex_lock( &p_ev->lock );
2392     p_ev->b_key = VLC_TRUE;
2393     vlc_mutex_unlock( &p_ev->lock );
2394
2395     return VLC_SUCCESS;
2396 }
2397
2398 int demux_sys_t::EventThread( vlc_object_t *p_this )
2399 {
2400     event_thread_t *p_ev = (event_thread_t*)p_this;
2401     demux_sys_t    *p_sys = p_ev->p_demux->p_sys;
2402     vlc_object_t   *p_vout = NULL;
2403
2404     p_ev->b_moved   = VLC_FALSE;
2405     p_ev->b_clicked = VLC_FALSE;
2406     p_ev->b_key     = VLC_FALSE;
2407
2408     /* catch all key event */
2409     var_AddCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2410
2411     /* main loop */
2412     while( !p_ev->b_die )
2413     {
2414         if ( !p_sys->b_pci_packet_set )
2415         {
2416             /* Wait 100ms */
2417             msleep( 100000 );
2418             continue;
2419         }
2420
2421         vlc_bool_t b_activated = VLC_FALSE;
2422
2423         /* KEY part */
2424         if( p_ev->b_key )
2425         {
2426             vlc_value_t valk;
2427             struct vlc_t::hotkey *p_hotkeys = p_ev->p_vlc->p_hotkeys;
2428             int i, i_action = -1;
2429
2430             vlc_mutex_lock( &p_ev->lock );
2431
2432             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2433
2434             var_Get( p_ev->p_vlc, "key-pressed", &valk );
2435             for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
2436             {
2437                 if( p_hotkeys[i].i_key == valk.i_int )
2438                 {
2439                     i_action = p_hotkeys[i].i_action;
2440                 }
2441             }
2442
2443             uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2444
2445             switch( i_action )
2446             {
2447             case ACTIONID_NAV_LEFT:
2448                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2449                 {
2450                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2451                     if ( p_button_ptr->left > 0 && p_button_ptr->left <= pci->hli.hl_gi.btn_ns )
2452                     {
2453                         i_curr_button = p_button_ptr->left;
2454                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2455                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2456                         if ( button_ptr.auto_action_mode )
2457                         {
2458                             vlc_mutex_unlock( &p_ev->lock );
2459                             vlc_mutex_lock( &p_sys->lock_demuxer );
2460
2461                             // process the button action
2462                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2463
2464                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2465                             vlc_mutex_lock( &p_ev->lock );
2466                         }
2467                     }
2468                 }
2469                 break;
2470             case ACTIONID_NAV_RIGHT:
2471                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2472                 {
2473                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2474                     if ( p_button_ptr->right > 0 && p_button_ptr->right <= pci->hli.hl_gi.btn_ns )
2475                     {
2476                         i_curr_button = p_button_ptr->right;
2477                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2478                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2479                         if ( button_ptr.auto_action_mode )
2480                         {
2481                             vlc_mutex_unlock( &p_ev->lock );
2482                             vlc_mutex_lock( &p_sys->lock_demuxer );
2483
2484                             // process the button action
2485                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2486
2487                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2488                             vlc_mutex_lock( &p_ev->lock );
2489                         }
2490                     }
2491                 }
2492                 break;
2493             case ACTIONID_NAV_UP:
2494                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2495                 {
2496                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2497                     if ( p_button_ptr->up > 0 && p_button_ptr->up <= pci->hli.hl_gi.btn_ns )
2498                     {
2499                         i_curr_button = p_button_ptr->up;
2500                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2501                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2502                         if ( button_ptr.auto_action_mode )
2503                         {
2504                             vlc_mutex_unlock( &p_ev->lock );
2505                             vlc_mutex_lock( &p_sys->lock_demuxer );
2506
2507                             // process the button action
2508                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2509
2510                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2511                             vlc_mutex_lock( &p_ev->lock );
2512                         }
2513                     }
2514                 }
2515                 break;
2516             case ACTIONID_NAV_DOWN:
2517                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2518                 {
2519                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2520                     if ( p_button_ptr->down > 0 && p_button_ptr->down <= pci->hli.hl_gi.btn_ns )
2521                     {
2522                         i_curr_button = p_button_ptr->down;
2523                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2524                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2525                         if ( button_ptr.auto_action_mode )
2526                         {
2527                             vlc_mutex_unlock( &p_ev->lock );
2528                             vlc_mutex_lock( &p_sys->lock_demuxer );
2529
2530                             // process the button action
2531                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2532
2533                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2534                             vlc_mutex_lock( &p_ev->lock );
2535                         }
2536                     }
2537                 }
2538                 break;
2539             case ACTIONID_NAV_ACTIVATE:
2540                 b_activated = VLC_TRUE;
2541
2542                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2543                 {
2544                     btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2545
2546                     vlc_mutex_unlock( &p_ev->lock );
2547                     vlc_mutex_lock( &p_sys->lock_demuxer );
2548
2549                     // process the button action
2550                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2551
2552                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2553                     vlc_mutex_lock( &p_ev->lock );
2554                 }
2555                 break;
2556             default:
2557                 break;
2558             }
2559             p_ev->b_key = VLC_FALSE;
2560             vlc_mutex_unlock( &p_ev->lock );
2561         }
2562
2563         /* MOUSE part */
2564         if( p_vout && ( p_ev->b_moved || p_ev->b_clicked ) )
2565         {
2566             vlc_value_t valx, valy;
2567
2568             vlc_mutex_lock( &p_ev->lock );
2569             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2570             var_Get( p_vout, "mouse-x", &valx );
2571             var_Get( p_vout, "mouse-y", &valy );
2572
2573             if( p_ev->b_clicked )
2574             {
2575                 int32_t button;
2576                 int32_t best,dist,d;
2577                 int32_t mx,my,dx,dy;
2578
2579                 b_activated = VLC_TRUE;
2580                 // get current button
2581                 best = 0;
2582                 dist = 0x08000000; /* >> than  (720*720)+(567*567); */
2583                 for(button = 1; button <= pci->hli.hl_gi.btn_ns; button++)
2584                 {
2585                     btni_t *button_ptr = &(pci->hli.btnit[button-1]);
2586
2587                     if(((unsigned)valx.i_int >= button_ptr->x_start)
2588                      && ((unsigned)valx.i_int <= button_ptr->x_end)
2589                      && ((unsigned)valy.i_int >= button_ptr->y_start)
2590                      && ((unsigned)valy.i_int <= button_ptr->y_end))
2591                     {
2592                         mx = (button_ptr->x_start + button_ptr->x_end)/2;
2593                         my = (button_ptr->y_start + button_ptr->y_end)/2;
2594                         dx = mx - valx.i_int;
2595                         dy = my - valy.i_int;
2596                         d = (dx*dx) + (dy*dy);
2597                         /* If the mouse is within the button and the mouse is closer
2598                         * to the center of this button then it is the best choice. */
2599                         if(d < dist) {
2600                             dist = d;
2601                             best = button;
2602                         }
2603                     }
2604                 }
2605
2606                 if ( best != 0)
2607                 {
2608                     btni_t button_ptr = pci->hli.btnit[best-1];
2609                     uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2610
2611                     msg_Dbg( &p_sys->demuxer, "Clicked button %d", best );
2612                     vlc_mutex_unlock( &p_ev->lock );
2613                     vlc_mutex_lock( &p_sys->lock_demuxer );
2614
2615                     // process the button action
2616                     p_sys->dvd_interpretor.SetSPRM( 0x88, best );
2617                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2618
2619                     msg_Dbg( &p_sys->demuxer, "Processed button %d", best );
2620
2621                     // select new button
2622                     if ( best != i_curr_button )
2623                     {
2624                         vlc_value_t val;
2625
2626                         if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
2627                         {
2628                             vlc_mutex_t *p_mutex = (vlc_mutex_t *) val.p_address;
2629                             uint32_t i_palette;
2630
2631                             if(button_ptr.btn_coln != 0) {
2632                                 i_palette = pci->hli.btn_colit.btn_coli[button_ptr.btn_coln-1][1];
2633                             } else {
2634                                 i_palette = 0;
2635                             }
2636
2637                             for( int i = 0; i < 4; i++ )
2638                             {
2639                                 uint32_t i_yuv = 0xFF;//p_sys->clut[(hl.palette>>(16+i*4))&0x0f];
2640                                 uint8_t i_alpha = (i_palette>>(i*4))&0x0f;
2641                                 i_alpha = i_alpha == 0xf ? 0xff : i_alpha << 4;
2642
2643                                 p_sys->palette[i][0] = (i_yuv >> 16) & 0xff;
2644                                 p_sys->palette[i][1] = (i_yuv >> 0) & 0xff;
2645                                 p_sys->palette[i][2] = (i_yuv >> 8) & 0xff;
2646                                 p_sys->palette[i][3] = i_alpha;
2647                             }
2648
2649                             vlc_mutex_lock( p_mutex );
2650                             val.i_int = button_ptr.x_start; var_Set( p_sys->p_input, "x-start", val );
2651                             val.i_int = button_ptr.x_end;   var_Set( p_sys->p_input, "x-end",   val );
2652                             val.i_int = button_ptr.y_start; var_Set( p_sys->p_input, "y-start", val );
2653                             val.i_int = button_ptr.y_end;   var_Set( p_sys->p_input, "y-end",   val );
2654
2655                             val.p_address = (void *)p_sys->palette;
2656                             var_Set( p_sys->p_input, "menu-palette", val );
2657
2658                             val.b_bool = VLC_TRUE; var_Set( p_sys->p_input, "highlight", val );
2659                             vlc_mutex_unlock( p_mutex );
2660                         }
2661                     }
2662                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2663                     vlc_mutex_lock( &p_ev->lock );
2664                 }
2665             }
2666             else if( p_ev->b_moved )
2667             {
2668 //                dvdnav_mouse_select( NULL, pci, valx.i_int, valy.i_int );
2669             }
2670
2671             p_ev->b_moved = VLC_FALSE;
2672             p_ev->b_clicked = VLC_FALSE;
2673             vlc_mutex_unlock( &p_ev->lock );
2674         }
2675
2676         /* VOUT part */
2677         if( p_vout && p_vout->b_die )
2678         {
2679             var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2680             var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2681             vlc_object_release( p_vout );
2682             p_vout = NULL;
2683         }
2684
2685         else if( p_vout == NULL )
2686         {
2687             p_vout = (vlc_object_t*) vlc_object_find( p_sys->p_input, VLC_OBJECT_VOUT,
2688                                       FIND_CHILD );
2689             if( p_vout)
2690             {
2691                 var_AddCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2692                 var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2693             }
2694         }
2695
2696         /* Wait a bit, 10ms */
2697         msleep( 10000 );
2698     }
2699
2700     /* Release callback */
2701     if( p_vout )
2702     {
2703         var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2704         var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2705         vlc_object_release( p_vout );
2706     }
2707     var_DelCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2708
2709     vlc_mutex_destroy( &p_ev->lock );
2710
2711     return VLC_SUCCESS;
2712 }
2713
2714 void matroska_segment_c::UnSelect( )
2715 {
2716     size_t i_track;
2717
2718     for( i_track = 0; i_track < tracks.size(); i_track++ )
2719     {
2720         if ( tracks[i_track]->p_es != NULL )
2721         {
2722 //            es_format_Clean( &tracks[i_track]->fmt );
2723             es_out_Del( sys.demuxer.out, tracks[i_track]->p_es );
2724             tracks[i_track]->p_es = NULL;
2725         }
2726     }
2727     delete ep;
2728     ep = NULL;
2729 }
2730
2731 void virtual_segment_c::PrepareChapters( )
2732 {
2733     if ( linked_segments.size() == 0 )
2734         return;
2735
2736     // !!! should be called only once !!!
2737     matroska_segment_c *p_segment;
2738     size_t i, j;
2739
2740     // copy editions from the first segment
2741     p_segment = linked_segments[0];
2742     p_editions = &p_segment->stored_editions;
2743
2744     for ( i=1 ; i<linked_segments.size(); i++ )
2745     {
2746         p_segment = linked_segments[i];
2747         // FIXME assume we have the same editions in all segments
2748         for (j=0; j<p_segment->stored_editions.size(); j++)
2749             (*p_editions)[j]->Append( *p_segment->stored_editions[j] );
2750     }
2751 }
2752
2753 std::string chapter_edition_c::GetMainName() const
2754 {
2755     if ( sub_chapters.size() )
2756     {
2757         return sub_chapters[0]->GetCodecName( true );
2758     }
2759     return "";
2760 }
2761
2762 int chapter_item_c::PublishChapters( input_title_t & title, int & i_user_chapters, int i_level )
2763 {
2764     // add support for meta-elements from codec like DVD Titles
2765     if ( !b_display_seekpoint || psz_name == "" )
2766     {
2767         psz_name = GetCodecName();
2768         if ( psz_name != "" )
2769             b_display_seekpoint = true;
2770     }
2771
2772     if (b_display_seekpoint)
2773     {
2774         seekpoint_t *sk = vlc_seekpoint_New();
2775
2776         sk->i_level = i_level;
2777         sk->i_time_offset = i_start_time;
2778         sk->psz_name = strdup( psz_name.c_str() );
2779
2780         // A start time of '0' is ok. A missing ChapterTime element is ok, too, because '0' is its default value.
2781         title.i_seekpoint++;
2782         title.seekpoint = (seekpoint_t**)realloc( title.seekpoint, title.i_seekpoint * sizeof( seekpoint_t* ) );
2783         title.seekpoint[title.i_seekpoint-1] = sk;
2784
2785         if ( b_user_display )
2786             i_user_chapters++;
2787     }
2788
2789     for ( size_t i=0; i<sub_chapters.size() ; i++)
2790     {
2791         sub_chapters[i]->PublishChapters( title, i_user_chapters, i_level+1 );
2792     }
2793
2794     i_seekpoint_num = i_user_chapters;
2795
2796     return i_user_chapters;
2797 }
2798
2799 bool virtual_segment_c::UpdateCurrentToChapter( demux_t & demux )
2800 {
2801     demux_sys_t & sys = *demux.p_sys;
2802     chapter_item_c *psz_curr_chapter;
2803     bool b_has_seeked = false;
2804
2805     /* update current chapter/seekpoint */
2806     if ( p_editions->size() )
2807     {
2808         /* 1st, we need to know in which chapter we are */
2809         psz_curr_chapter = (*p_editions)[i_current_edition]->FindTimecode( sys.i_pts, psz_current_chapter );
2810
2811         /* we have moved to a new chapter */
2812         if (psz_curr_chapter != NULL && psz_current_chapter != psz_curr_chapter)
2813         {
2814             if ( (*p_editions)[i_current_edition]->b_ordered )
2815             {
2816                 // Leave/Enter up to the link point
2817                 b_has_seeked = psz_curr_chapter->EnterAndLeave( psz_current_chapter );
2818                 if ( !b_has_seeked )
2819                 {
2820                     // only physically seek if necessary
2821                     if ( psz_current_chapter == NULL || (psz_current_chapter->i_end_time != psz_curr_chapter->i_start_time) )
2822                         Seek( demux, sys.i_pts, 0, psz_curr_chapter );
2823                 }
2824             }
2825
2826             if ( !b_has_seeked )
2827             {
2828                 psz_current_chapter = psz_curr_chapter;
2829                 if ( psz_curr_chapter->i_seekpoint_num > 0 )
2830                 {
2831                     demux.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
2832                     demux.info.i_title = sys.i_current_title = i_sys_title;
2833                     demux.info.i_seekpoint = psz_curr_chapter->i_seekpoint_num - 1;
2834                 }
2835             }
2836
2837             return true;
2838         }
2839         else if (psz_curr_chapter == NULL)
2840         {
2841             // out of the scope of the data described by chapters, leave the edition
2842             if ( (*p_editions)[i_current_edition]->b_ordered && psz_current_chapter != NULL )
2843             {
2844                 if ( !(*p_editions)[i_current_edition]->EnterAndLeave( psz_current_chapter, false ) )
2845                     psz_current_chapter = NULL;
2846                 else
2847                     return true;
2848             }
2849         }
2850     }
2851     return false;
2852 }
2853
2854 chapter_item_c *virtual_segment_c::BrowseCodecPrivate( unsigned int codec_id,
2855                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
2856                                     const void *p_cookie,
2857                                     size_t i_cookie_size )
2858 {
2859     // FIXME don't assume it is the first edition
2860     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
2861     if ( index != p_editions->end() )
2862     {
2863         chapter_item_c *p_result = (*index)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
2864         if ( p_result != NULL )
2865             return p_result;
2866     }
2867     return NULL;
2868 }
2869
2870 chapter_item_c *virtual_segment_c::FindChapter( int64_t i_find_uid )
2871 {
2872     // FIXME don't assume it is the first edition
2873     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
2874     if ( index != p_editions->end() )
2875     {
2876         chapter_item_c *p_result = (*index)->FindChapter( i_find_uid );
2877         if ( p_result != NULL )
2878             return p_result;
2879     }
2880     return NULL;
2881 }
2882
2883 chapter_item_c *chapter_item_c::BrowseCodecPrivate( unsigned int codec_id,
2884                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
2885                                     const void *p_cookie,
2886                                     size_t i_cookie_size )
2887 {
2888     // this chapter
2889     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2890     while ( index != codecs.end() )
2891     {
2892         if ( match( **index ,p_cookie, i_cookie_size ) )
2893             return this;
2894         index++;
2895     }
2896
2897     // sub-chapters
2898     chapter_item_c *p_result = NULL;
2899     std::vector<chapter_item_c*>::const_iterator index2 = sub_chapters.begin();
2900     while ( index2 != sub_chapters.end() )
2901     {
2902         p_result = (*index2)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
2903         if ( p_result != NULL )
2904             return p_result;
2905         index2++;
2906     }
2907
2908     return p_result;
2909 }
2910
2911 void chapter_item_c::Append( const chapter_item_c & chapter )
2912 {
2913     // we are appending content for the same chapter UID
2914     size_t i;
2915     chapter_item_c *p_chapter;
2916
2917     for ( i=0; i<chapter.sub_chapters.size(); i++ )
2918     {
2919         p_chapter = FindChapter( chapter.sub_chapters[i]->i_uid );
2920         if ( p_chapter != NULL )
2921         {
2922             p_chapter->Append( *chapter.sub_chapters[i] );
2923         }
2924         else
2925         {
2926             sub_chapters.push_back( chapter.sub_chapters[i] );
2927         }
2928     }
2929
2930     i_user_start_time = min( i_user_start_time, chapter.i_user_start_time );
2931     i_user_end_time = max( i_user_end_time, chapter.i_user_end_time );
2932 }
2933
2934 chapter_item_c * chapter_item_c::FindChapter( int64_t i_find_uid )
2935 {
2936     size_t i;
2937     chapter_item_c *p_result = NULL;
2938
2939     if ( i_uid == i_find_uid )
2940         return this;
2941
2942     for ( i=0; i<sub_chapters.size(); i++)
2943     {
2944         p_result = sub_chapters[i]->FindChapter( i_find_uid );
2945         if ( p_result != NULL )
2946             break;
2947     }
2948     return p_result;
2949 }
2950
2951 std::string chapter_item_c::GetCodecName( bool f_for_title ) const
2952 {
2953     std::string result;
2954
2955     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2956     while ( index != codecs.end() )
2957     {
2958         result = (*index)->GetCodecName( f_for_title );
2959         if ( result != "" )
2960             break;
2961         index++;
2962     }
2963
2964     return result;
2965 }
2966
2967 std::string dvd_chapter_codec_c::GetCodecName( bool f_for_title ) const
2968 {
2969     std::string result;
2970     if ( p_private_data->GetSize() >= 3)
2971     {
2972         const binary* p_data = p_private_data->GetBuffer();
2973 /*        if ( p_data[0] == MATROSKA_DVD_LEVEL_TT )
2974         {
2975             uint16_t i_title = (p_data[1] << 8) + p_data[2];
2976             char psz_str[11];
2977             sprintf( psz_str, " %d  ---", i_title );
2978             result = N_("---  DVD Title");
2979             result += psz_str;
2980         }
2981         else */ if ( p_data[0] == MATROSKA_DVD_LEVEL_LU )
2982         {
2983             char psz_str[11];
2984             sprintf( psz_str, " (%c%c)  ---", p_data[1], p_data[2] );
2985             result = N_("---  DVD Menu");
2986             result += psz_str;
2987         }
2988         else if ( p_data[0] == MATROSKA_DVD_LEVEL_SS && f_for_title )
2989         {
2990             if ( p_data[1] == 0x00 )
2991                 result = N_("First Played");
2992             else if ( p_data[1] == 0xC0 )
2993                 result = N_("Video Manager");
2994             else if ( p_data[1] == 0x80 )
2995             {
2996                 uint16_t i_title = (p_data[2] << 8) + p_data[3];
2997                 char psz_str[20];
2998                 sprintf( psz_str, " %d -----", i_title );
2999                 result = N_("----- Title");
3000                 result += psz_str;
3001             }
3002         }
3003     }
3004
3005     return result;
3006 }
3007
3008 int16 chapter_item_c::GetTitleNumber( ) const
3009 {
3010     int result = -1;
3011
3012     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
3013     while ( index != codecs.end() )
3014     {
3015         result = (*index)->GetTitleNumber( );
3016         if ( result >= 0 )
3017             break;
3018         index++;
3019     }
3020
3021     return result;
3022 }
3023
3024 int16 dvd_chapter_codec_c::GetTitleNumber()
3025 {
3026     if ( p_private_data->GetSize() >= 3)
3027     {
3028         const binary* p_data = p_private_data->GetBuffer();
3029         if ( p_data[0] == MATROSKA_DVD_LEVEL_SS )
3030         {
3031             return int16( (p_data[2] << 8) + p_data[3] );
3032         }
3033     }
3034     return -1;
3035 }
3036
3037 static void Seek( demux_t *p_demux, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter )
3038 {
3039     demux_sys_t        *p_sys = p_demux->p_sys;
3040     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3041     matroska_segment_c *p_segment = p_vsegment->Segment();
3042     mtime_t            i_time_offset = 0;
3043
3044     int         i_index;
3045
3046     msg_Dbg( p_demux, "seek request to "I64Fd" (%f%%)", i_date, f_percent );
3047     if( i_date < 0 && f_percent < 0 )
3048     {
3049         msg_Warn( p_demux, "cannot seek nowhere !" );
3050         return;
3051     }
3052     if( f_percent > 1.0 )
3053     {
3054         msg_Warn( p_demux, "cannot seek so far !" );
3055         return;
3056     }
3057
3058     /* seek without index or without date */
3059     if( f_percent >= 0 && (config_GetInt( p_demux, "mkv-seek-percent" ) || !p_segment->b_cues || i_date < 0 ))
3060     {
3061         if (p_sys->f_duration >= 0)
3062         {
3063             i_date = int64_t( f_percent * p_sys->f_duration * 1000.0 );
3064         }
3065         else
3066         {
3067             int64_t i_pos = int64_t( f_percent * stream_Size( p_demux->s ) );
3068
3069             msg_Dbg( p_demux, "inacurate way of seeking" );
3070             for( i_index = 0; i_index < p_segment->i_index; i_index++ )
3071             {
3072                 if( p_segment->p_indexes[i_index].i_position >= i_pos)
3073                 {
3074                     break;
3075                 }
3076             }
3077             if( i_index == p_segment->i_index )
3078             {
3079                 i_index--;
3080             }
3081
3082             i_date = p_segment->p_indexes[i_index].i_time;
3083
3084 #if 0
3085             if( p_segment->p_indexes[i_index].i_position < i_pos )
3086             {
3087                 EbmlElement *el;
3088
3089                 msg_Warn( p_demux, "searching for cluster, could take some time" );
3090
3091                 /* search a cluster */
3092                 while( ( el = p_sys->ep->Get() ) != NULL )
3093                 {
3094                     if( MKV_IS_ID( el, KaxCluster ) )
3095                     {
3096                         KaxCluster *cluster = (KaxCluster*)el;
3097
3098                         /* add it to the index */
3099                         p_segment->IndexAppendCluster( cluster );
3100
3101                         if( (int64_t)cluster->GetElementPosition() >= i_pos )
3102                         {
3103                             p_sys->cluster = cluster;
3104                             p_sys->ep->Down();
3105                             break;
3106                         }
3107                     }
3108                 }
3109             }
3110 #endif
3111         }
3112     }
3113
3114     p_vsegment->Seek( *p_demux, i_date, i_time_offset, psz_chapter );
3115 }
3116
3117 /*****************************************************************************
3118  * Demux: reads and demuxes data packets
3119  *****************************************************************************
3120  * Returns -1 in case of error, 0 in case of EOF, 1 otherwise
3121  *****************************************************************************/
3122 static int Demux( demux_t *p_demux)
3123 {
3124     demux_sys_t        *p_sys = p_demux->p_sys;
3125
3126     vlc_mutex_lock( &p_sys->lock_demuxer );
3127
3128     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3129     matroska_segment_c *p_segment = p_vsegment->Segment();
3130     if ( p_segment == NULL ) return 0;
3131     int                i_block_count = 0;
3132     int                i_return = 0;
3133
3134     for( ;; )
3135     {
3136         if ( p_sys->demuxer.b_die )
3137             break;
3138
3139         if( p_sys->i_pts >= p_sys->i_start_pts  )
3140             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3141             {
3142                 i_return = 1;
3143                 break;
3144             }
3145
3146         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3147         {
3148             /* nothing left to read in this ordered edition */
3149             if ( !p_vsegment->SelectNext() )
3150                 break;
3151             p_segment->UnSelect( );
3152
3153             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3154
3155             /* switch to the next segment */
3156             p_segment = p_vsegment->Segment();
3157             if ( !p_segment->Select( 0 ) )
3158             {
3159                 msg_Err( p_demux, "Failed to select new segment" );
3160                 break;
3161             }
3162             continue;
3163         }
3164
3165         KaxBlock *block;
3166         int64_t i_block_duration = 0;
3167         int64_t i_block_ref1;
3168         int64_t i_block_ref2;
3169
3170         if( p_segment->BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
3171         {
3172             if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered )
3173             {
3174                 const chapter_item_c *p_chap = p_vsegment->CurrentChapter();
3175                 // check if there are more chapters to read
3176                 if ( p_chap != NULL )
3177                 {
3178                     /* TODO handle successive chapters with the same user_start_time/user_end_time
3179                     if ( p_chap->i_user_start_time == p_chap->i_user_start_time )
3180                         p_vsegment->SelectNext();
3181                     */
3182                     p_sys->i_last_dts = p_sys->i_pts = p_chap->i_user_end_time;
3183                     p_sys->i_pts++; // trick to avoid staying on segments with no duration and no content
3184
3185                     i_return = 1;
3186                 }
3187
3188                 break;
3189             }
3190             else
3191             {
3192                 msg_Warn( p_demux, "cannot get block EOF?" );
3193                 p_segment->UnSelect( );
3194
3195                 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3196
3197                 /* switch to the next segment */
3198                 if ( !p_vsegment->SelectNext() )
3199                     // no more segments in this stream
3200                     break;
3201                 p_segment = p_vsegment->Segment();
3202                 if ( !p_segment->Select( 0 ) )
3203                 {
3204                     msg_Err( p_demux, "Failed to select new segment" );
3205                     break;
3206                 }
3207
3208                 continue;
3209             }
3210         }
3211
3212         mtime_t i_pts, i_dts;
3213
3214         mtime_t i_time = block->GlobalTimecode();
3215         if ( i_block_ref1 != 0 )
3216             i_time += min( 0, i_block_ref1 );
3217         if ( i_block_ref2 != 0 )
3218             i_time += min( 0, i_block_ref2 );
3219
3220         i_pts = (p_sys->i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
3221         i_dts = (p_sys->i_chapter_time + i_time) / (mtime_t) 1000;
3222
3223         if ( i_dts != i_pts && p_sys->i_last_dts >= i_dts )
3224             p_sys->i_last_dts += 200;
3225         else
3226             p_sys->i_last_dts = i_dts;
3227
3228         p_sys->i_pts = i_pts;
3229
3230         if( p_sys->i_pts >= p_sys->i_start_pts  )
3231         {
3232             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pts );
3233         }
3234
3235         if( i_pts >= p_sys->i_start_pts  )
3236             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3237             {
3238                 i_return = 1;
3239                 break;
3240             }
3241
3242         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3243         {
3244             /* nothing left to read in this ordered edition */
3245             if ( !p_vsegment->SelectNext() )
3246                 break;
3247             p_segment->UnSelect( );
3248
3249             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3250
3251             /* switch to the next segment */
3252             p_segment = p_vsegment->Segment();
3253             if ( !p_segment->Select( 0 ) )
3254             {
3255                 msg_Err( p_demux, "Failed to select new segment" );
3256                 break;
3257             }
3258             continue;
3259         }
3260
3261         BlockDecode( p_demux, block, i_pts, i_block_duration );
3262
3263         delete block;
3264         i_block_count++;
3265
3266         // TODO optimize when there is need to leave or when seeking has been called
3267         if( i_block_count > 5 )
3268         {
3269             i_return = 1;
3270             break;
3271         }
3272     }
3273
3274     vlc_mutex_unlock( &p_sys->lock_demuxer );
3275
3276     return i_return;
3277 }
3278
3279
3280
3281 /*****************************************************************************
3282  * Stream managment
3283  *****************************************************************************/
3284 vlc_stream_io_callback::vlc_stream_io_callback( stream_t *s_, vlc_bool_t b_owner_ )
3285 {
3286     s = s_;
3287     b_owner = b_owner_;
3288     mb_eof = VLC_FALSE;
3289 }
3290
3291 uint32 vlc_stream_io_callback::read( void *p_buffer, size_t i_size )
3292 {
3293     if( i_size <= 0 || mb_eof )
3294     {
3295         return 0;
3296     }
3297
3298     return stream_Read( s, p_buffer, i_size );
3299 }
3300 void vlc_stream_io_callback::setFilePointer(int64_t i_offset, seek_mode mode )
3301 {
3302     int64_t i_pos;
3303
3304     switch( mode )
3305     {
3306         case seek_beginning:
3307             i_pos = i_offset;
3308             break;
3309         case seek_end:
3310             i_pos = stream_Size( s ) - i_offset;
3311             break;
3312         default:
3313             i_pos= stream_Tell( s ) + i_offset;
3314             break;
3315     }
3316
3317     if( i_pos < 0 || i_pos >= stream_Size( s ) )
3318     {
3319         mb_eof = VLC_TRUE;
3320         return;
3321     }
3322
3323     mb_eof = VLC_FALSE;
3324     if( stream_Seek( s, i_pos ) )
3325     {
3326         mb_eof = VLC_TRUE;
3327     }
3328     return;
3329 }
3330 size_t vlc_stream_io_callback::write( const void *p_buffer, size_t i_size )
3331 {
3332     return 0;
3333 }
3334 uint64 vlc_stream_io_callback::getFilePointer( void )
3335 {
3336     if ( s == NULL )
3337         return 0;
3338     return stream_Tell( s );
3339 }
3340 void vlc_stream_io_callback::close( void )
3341 {
3342     return;
3343 }
3344
3345
3346 /*****************************************************************************
3347  * Ebml Stream parser
3348  *****************************************************************************/
3349 EbmlParser::EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux )
3350 {
3351     int i;
3352
3353     m_es = es;
3354     m_got = NULL;
3355     m_el[0] = el_start;
3356     mi_remain_size[0] = el_start->GetSize();
3357
3358     for( i = 1; i < 6; i++ )
3359     {
3360         m_el[i] = NULL;
3361     }
3362     mi_level = 1;
3363     mi_user_level = 1;
3364     mb_keep = VLC_FALSE;
3365     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3366 }
3367
3368 EbmlParser::~EbmlParser( void )
3369 {
3370     int i;
3371
3372     for( i = 1; i < mi_level; i++ )
3373     {
3374         if( !mb_keep )
3375         {
3376             delete m_el[i];
3377         }
3378         mb_keep = VLC_FALSE;
3379     }
3380 }
3381
3382 EbmlElement* EbmlParser::UnGet( uint64 i_block_pos, uint64 i_cluster_pos )
3383 {
3384     if ( mi_user_level > mi_level )
3385     {
3386         while ( mi_user_level != mi_level )
3387         {
3388             delete m_el[mi_user_level];
3389             m_el[mi_user_level] = NULL;
3390             mi_user_level--;
3391         }
3392     }
3393     m_got = NULL;
3394     mb_keep = VLC_FALSE;
3395     if ( m_el[1]->GetElementPosition() == i_cluster_pos )
3396     {
3397         m_es->I_O().setFilePointer( i_block_pos, seek_beginning );
3398         return (EbmlMaster*) m_el[1];
3399     }
3400     else
3401     {
3402         // seek to the previous Cluster
3403         m_es->I_O().setFilePointer( i_cluster_pos, seek_beginning );
3404         mi_level--;
3405         mi_user_level--;
3406         delete m_el[mi_level];
3407         m_el[mi_level] = NULL;
3408         return NULL;
3409     }
3410 }
3411
3412 void EbmlParser::Up( void )
3413 {
3414     if( mi_user_level == mi_level )
3415     {
3416         fprintf( stderr," arrrrrrrrrrrrrg Up cannot escape itself\n" );
3417     }
3418
3419     mi_user_level--;
3420 }
3421
3422 void EbmlParser::Down( void )
3423 {
3424     mi_user_level++;
3425     mi_level++;
3426 }
3427
3428 void EbmlParser::Keep( void )
3429 {
3430     mb_keep = VLC_TRUE;
3431 }
3432
3433 int EbmlParser::GetLevel( void )
3434 {
3435     return mi_user_level;
3436 }
3437
3438 void EbmlParser::Reset( demux_t *p_demux )
3439 {
3440     while ( mi_level > 0)
3441     {
3442         delete m_el[mi_level];
3443         m_el[mi_level] = NULL;
3444         mi_level--;
3445     }
3446     mi_user_level = mi_level = 1;
3447 #if LIBEBML_VERSION >= 0x000704
3448     // a little faster and cleaner
3449     m_es->I_O().setFilePointer( static_cast<KaxSegment*>(m_el[0])->GetGlobalPosition(0) );
3450 #else
3451     m_es->I_O().setFilePointer( m_el[0]->GetElementPosition() + m_el[0]->ElementSize(true) - m_el[0]->GetSize() );
3452 #endif
3453     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3454 }
3455
3456 EbmlElement *EbmlParser::Get( void )
3457 {
3458     int i_ulev = 0;
3459
3460     if( mi_user_level != mi_level )
3461     {
3462         return NULL;
3463     }
3464     if( m_got )
3465     {
3466         EbmlElement *ret = m_got;
3467         m_got = NULL;
3468
3469         return ret;
3470     }
3471
3472     if( m_el[mi_level] )
3473     {
3474         m_el[mi_level]->SkipData( *m_es, m_el[mi_level]->Generic().Context );
3475         if( !mb_keep )
3476         {
3477             delete m_el[mi_level];
3478         }
3479         mb_keep = VLC_FALSE;
3480     }
3481
3482     m_el[mi_level] = m_es->FindNextElement( m_el[mi_level - 1]->Generic().Context, i_ulev, 0xFFFFFFFFL, mb_dummy != 0, 1 );
3483 //    mi_remain_size[mi_level] = m_el[mi_level]->GetSize();
3484     if( i_ulev > 0 )
3485     {
3486         while( i_ulev > 0 )
3487         {
3488             if( mi_level == 1 )
3489             {
3490                 mi_level = 0;
3491                 return NULL;
3492             }
3493
3494             delete m_el[mi_level - 1];
3495             m_got = m_el[mi_level -1] = m_el[mi_level];
3496             m_el[mi_level] = NULL;
3497
3498             mi_level--;
3499             i_ulev--;
3500         }
3501         return NULL;
3502     }
3503     else if( m_el[mi_level] == NULL )
3504     {
3505         fprintf( stderr," m_el[mi_level] == NULL\n" );
3506     }
3507
3508     return m_el[mi_level];
3509 }
3510
3511
3512 /*****************************************************************************
3513  * Tools
3514  *  * LoadCues : load the cues element and update index
3515  *
3516  *  * LoadTags : load ... the tags element
3517  *
3518  *  * InformationCreate : create all information, load tags if present
3519  *
3520  *****************************************************************************/
3521 void matroska_segment_c::LoadCues( )
3522 {
3523     int64_t     i_sav_position = es.I_O().getFilePointer();
3524     EbmlParser  *ep;
3525     EbmlElement *el, *cues;
3526
3527     /* *** Load the cue if found *** */
3528     if( i_cues_position < 0 )
3529     {
3530         msg_Warn( &sys.demuxer, "no cues/empty cues found->seek won't be precise" );
3531
3532 //        IndexAppendCluster( cluster );
3533     }
3534
3535     vlc_bool_t b_seekable;
3536
3537     stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
3538     if( !b_seekable )
3539         return;
3540
3541     msg_Dbg( &sys.demuxer, "loading cues" );
3542     es.I_O().setFilePointer( i_cues_position, seek_beginning );
3543     cues = es.FindNextID( KaxCues::ClassInfos, 0xFFFFFFFFL);
3544
3545     if( cues == NULL )
3546     {
3547         msg_Err( &sys.demuxer, "cannot load cues (broken seekhead or file)" );
3548         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3549         return;
3550     }
3551
3552     ep = new EbmlParser( &es, cues, &sys.demuxer );
3553     while( ( el = ep->Get() ) != NULL )
3554     {
3555         if( MKV_IS_ID( el, KaxCuePoint ) )
3556         {
3557 #define idx p_indexes[i_index]
3558
3559             idx.i_track       = -1;
3560             idx.i_block_number= -1;
3561             idx.i_position    = -1;
3562             idx.i_time        = 0;
3563             idx.b_key         = VLC_TRUE;
3564
3565             ep->Down();
3566             while( ( el = ep->Get() ) != NULL )
3567             {
3568                 if( MKV_IS_ID( el, KaxCueTime ) )
3569                 {
3570                     KaxCueTime &ctime = *(KaxCueTime*)el;
3571
3572                     ctime.ReadData( es.I_O() );
3573
3574                     idx.i_time = uint64( ctime ) * i_timescale / (mtime_t)1000;
3575                 }
3576                 else if( MKV_IS_ID( el, KaxCueTrackPositions ) )
3577                 {
3578                     ep->Down();
3579                     while( ( el = ep->Get() ) != NULL )
3580                     {
3581                         if( MKV_IS_ID( el, KaxCueTrack ) )
3582                         {
3583                             KaxCueTrack &ctrack = *(KaxCueTrack*)el;
3584
3585                             ctrack.ReadData( es.I_O() );
3586                             idx.i_track = uint16( ctrack );
3587                         }
3588                         else if( MKV_IS_ID( el, KaxCueClusterPosition ) )
3589                         {
3590                             KaxCueClusterPosition &ccpos = *(KaxCueClusterPosition*)el;
3591
3592                             ccpos.ReadData( es.I_O() );
3593                             idx.i_position = segment->GetGlobalPosition( uint64( ccpos ) );
3594                         }
3595                         else if( MKV_IS_ID( el, KaxCueBlockNumber ) )
3596                         {
3597                             KaxCueBlockNumber &cbnum = *(KaxCueBlockNumber*)el;
3598
3599                             cbnum.ReadData( es.I_O() );
3600                             idx.i_block_number = uint32( cbnum );
3601                         }
3602                         else
3603                         {
3604                             msg_Dbg( &sys.demuxer, "         * Unknown (%s)", typeid(*el).name() );
3605                         }
3606                     }
3607                     ep->Up();
3608                 }
3609                 else
3610                 {
3611                     msg_Dbg( &sys.demuxer, "     * Unknown (%s)", typeid(*el).name() );
3612                 }
3613             }
3614             ep->Up();
3615
3616 #if 0
3617             msg_Dbg( &sys.demuxer, " * added time="I64Fd" pos="I64Fd
3618                      " track=%d bnum=%d", idx.i_time, idx.i_position,
3619                      idx.i_track, idx.i_block_number );
3620 #endif
3621
3622             i_index++;
3623             if( i_index >= i_index_max )
3624             {
3625                 i_index_max += 1024;
3626                 p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
3627             }
3628 #undef idx
3629         }
3630         else
3631         {
3632             msg_Dbg( &sys.demuxer, " * Unknown (%s)", typeid(*el).name() );
3633         }
3634     }
3635     delete ep;
3636     delete cues;
3637
3638     b_cues = VLC_TRUE;
3639
3640     msg_Dbg( &sys.demuxer, "loading cues done." );
3641     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3642 }
3643
3644 void matroska_segment_c::LoadTags( )
3645 {
3646     int64_t     i_sav_position = es.I_O().getFilePointer();
3647     EbmlParser  *ep;
3648     EbmlElement *el, *tags;
3649
3650     msg_Dbg( &sys.demuxer, "loading tags" );
3651     es.I_O().setFilePointer( i_tags_position, seek_beginning );
3652     tags = es.FindNextID( KaxTags::ClassInfos, 0xFFFFFFFFL);
3653
3654     if( tags == NULL )
3655     {
3656         msg_Err( &sys.demuxer, "cannot load tags (broken seekhead or file)" );
3657         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3658         return;
3659     }
3660
3661     msg_Dbg( &sys.demuxer, "Tags" );
3662     ep = new EbmlParser( &es, tags, &sys.demuxer );
3663     while( ( el = ep->Get() ) != NULL )
3664     {
3665         if( MKV_IS_ID( el, KaxTag ) )
3666         {
3667             msg_Dbg( &sys.demuxer, "+ Tag" );
3668             ep->Down();
3669             while( ( el = ep->Get() ) != NULL )
3670             {
3671                 if( MKV_IS_ID( el, KaxTagTargets ) )
3672                 {
3673                     msg_Dbg( &sys.demuxer, "|   + Targets" );
3674                     ep->Down();
3675                     while( ( el = ep->Get() ) != NULL )
3676                     {
3677                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3678                     }
3679                     ep->Up();
3680                 }
3681                 else if( MKV_IS_ID( el, KaxTagGeneral ) )
3682                 {
3683                     msg_Dbg( &sys.demuxer, "|   + General" );
3684                     ep->Down();
3685                     while( ( el = ep->Get() ) != NULL )
3686                     {
3687                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3688                     }
3689                     ep->Up();
3690                 }
3691                 else if( MKV_IS_ID( el, KaxTagGenres ) )
3692                 {
3693                     msg_Dbg( &sys.demuxer, "|   + Genres" );
3694                     ep->Down();
3695                     while( ( el = ep->Get() ) != NULL )
3696                     {
3697                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3698                     }
3699                     ep->Up();
3700                 }
3701                 else if( MKV_IS_ID( el, KaxTagAudioSpecific ) )
3702                 {
3703                     msg_Dbg( &sys.demuxer, "|   + Audio Specific" );
3704                     ep->Down();
3705                     while( ( el = ep->Get() ) != NULL )
3706                     {
3707                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3708                     }
3709                     ep->Up();
3710                 }
3711                 else if( MKV_IS_ID( el, KaxTagImageSpecific ) )
3712                 {
3713                     msg_Dbg( &sys.demuxer, "|   + Images Specific" );
3714                     ep->Down();
3715                     while( ( el = ep->Get() ) != NULL )
3716                     {
3717                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3718                     }
3719                     ep->Up();
3720                 }
3721                 else if( MKV_IS_ID( el, KaxTagMultiComment ) )
3722                 {
3723                     msg_Dbg( &sys.demuxer, "|   + Multi Comment" );
3724                 }
3725                 else if( MKV_IS_ID( el, KaxTagMultiCommercial ) )
3726                 {
3727                     msg_Dbg( &sys.demuxer, "|   + Multi Commercial" );
3728                 }
3729                 else if( MKV_IS_ID( el, KaxTagMultiDate ) )
3730                 {
3731                     msg_Dbg( &sys.demuxer, "|   + Multi Date" );
3732                 }
3733                 else if( MKV_IS_ID( el, KaxTagMultiEntity ) )
3734                 {
3735                     msg_Dbg( &sys.demuxer, "|   + Multi Entity" );
3736                 }
3737                 else if( MKV_IS_ID( el, KaxTagMultiIdentifier ) )
3738                 {
3739                     msg_Dbg( &sys.demuxer, "|   + Multi Identifier" );
3740                 }
3741                 else if( MKV_IS_ID( el, KaxTagMultiLegal ) )
3742                 {
3743                     msg_Dbg( &sys.demuxer, "|   + Multi Legal" );
3744                 }
3745                 else if( MKV_IS_ID( el, KaxTagMultiTitle ) )
3746                 {
3747                     msg_Dbg( &sys.demuxer, "|   + Multi Title" );
3748                 }
3749                 else
3750                 {
3751                     msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid( *el ).name() );
3752                 }
3753             }
3754             ep->Up();
3755         }
3756         else
3757         {
3758             msg_Dbg( &sys.demuxer, "+ Unknown (%s)", typeid( *el ).name() );
3759         }
3760     }
3761     delete ep;
3762     delete tags;
3763
3764     msg_Dbg( &sys.demuxer, "loading tags done." );
3765     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3766 }
3767
3768 /*****************************************************************************
3769  * ParseSeekHead:
3770  *****************************************************************************/
3771 void matroska_segment_c::ParseSeekHead( KaxSeekHead *seekhead )
3772 {
3773     EbmlElement *el;
3774     size_t i, j;
3775     int i_upper_level = 0;
3776
3777     msg_Dbg( &sys.demuxer, "|   + Seek head" );
3778
3779     /* Master elements */
3780     seekhead->Read( es, seekhead->Generic().Context, i_upper_level, el, true );
3781
3782     for( i = 0; i < seekhead->ListSize(); i++ )
3783     {
3784         EbmlElement *l = (*seekhead)[i];
3785
3786         if( MKV_IS_ID( l, KaxSeek ) )
3787         {
3788             EbmlMaster *sk = static_cast<EbmlMaster *>(l);
3789             EbmlId id = EbmlVoid::ClassInfos.GlobalId;
3790             int64_t i_pos = -1;
3791
3792             for( j = 0; j < sk->ListSize(); j++ )
3793             {
3794                 EbmlElement *l = (*sk)[j];
3795
3796                 if( MKV_IS_ID( l, KaxSeekID ) )
3797                 {
3798                     KaxSeekID &sid = *(KaxSeekID*)l;
3799                     id = EbmlId( sid.GetBuffer(), sid.GetSize() );
3800                 }
3801                 else if( MKV_IS_ID( l, KaxSeekPosition ) )
3802                 {
3803                     KaxSeekPosition &spos = *(KaxSeekPosition*)l;
3804                     i_pos = uint64( spos );
3805                 }
3806                 else
3807                 {
3808                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
3809                 }
3810             }
3811
3812             if( i_pos >= 0 )
3813             {
3814                 if( id == KaxCues::ClassInfos.GlobalId )
3815                 {
3816                     msg_Dbg( &sys.demuxer, "|   |   |   = cues at "I64Fd, i_pos );
3817                     i_cues_position = segment->GetGlobalPosition( i_pos );
3818                 }
3819                 else if( id == KaxChapters::ClassInfos.GlobalId )
3820                 {
3821                     msg_Dbg( &sys.demuxer, "|   |   |   = chapters at "I64Fd, i_pos );
3822                     i_chapters_position = segment->GetGlobalPosition( i_pos );
3823                 }
3824                 else if( id == KaxTags::ClassInfos.GlobalId )
3825                 {
3826                     msg_Dbg( &sys.demuxer, "|   |   |   = tags at "I64Fd, i_pos );
3827                     i_tags_position = segment->GetGlobalPosition( i_pos );
3828                 }
3829             }
3830         }
3831         else
3832         {
3833             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
3834         }
3835     }
3836 }
3837
3838 /*****************************************************************************
3839  * ParseTrackEntry:
3840  *****************************************************************************/
3841 void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
3842 {
3843     size_t i, j, k, n;
3844
3845     mkv_track_t *tk;
3846
3847     msg_Dbg( &sys.demuxer, "|   |   + Track Entry" );
3848
3849     tk = new mkv_track_t();
3850     tracks.push_back( tk );
3851
3852     /* Init the track */
3853     memset( tk, 0, sizeof( mkv_track_t ) );
3854
3855     es_format_Init( &tk->fmt, UNKNOWN_ES, 0 );
3856     tk->fmt.psz_language = strdup("English");
3857     tk->fmt.psz_description = NULL;
3858
3859     tk->b_default = VLC_TRUE;
3860     tk->b_enabled = VLC_TRUE;
3861     tk->b_silent = VLC_FALSE;
3862     tk->i_number = tracks.size() - 1;
3863     tk->i_extra_data = 0;
3864     tk->p_extra_data = NULL;
3865     tk->psz_codec = NULL;
3866     tk->i_default_duration = 0;
3867     tk->f_timecodescale = 1.0;
3868
3869     tk->b_inited = VLC_FALSE;
3870     tk->i_data_init = 0;
3871     tk->p_data_init = NULL;
3872
3873     tk->psz_codec_name = NULL;
3874     tk->psz_codec_settings = NULL;
3875     tk->psz_codec_info_url = NULL;
3876     tk->psz_codec_download_url = NULL;
3877
3878     tk->i_compression_type = MATROSKA_COMPRESSION_NONE;
3879
3880     for( i = 0; i < m->ListSize(); i++ )
3881     {
3882         EbmlElement *l = (*m)[i];
3883
3884         if( MKV_IS_ID( l, KaxTrackNumber ) )
3885         {
3886             KaxTrackNumber &tnum = *(KaxTrackNumber*)l;
3887
3888             tk->i_number = uint32( tnum );
3889             msg_Dbg( &sys.demuxer, "|   |   |   + Track Number=%u", uint32( tnum ) );
3890         }
3891         else  if( MKV_IS_ID( l, KaxTrackUID ) )
3892         {
3893             KaxTrackUID &tuid = *(KaxTrackUID*)l;
3894
3895             msg_Dbg( &sys.demuxer, "|   |   |   + Track UID=%u",  uint32( tuid ) );
3896         }
3897         else  if( MKV_IS_ID( l, KaxTrackType ) )
3898         {
3899             char *psz_type;
3900             KaxTrackType &ttype = *(KaxTrackType*)l;
3901
3902             switch( uint8(ttype) )
3903             {
3904                 case track_audio:
3905                     psz_type = "audio";
3906                     tk->fmt.i_cat = AUDIO_ES;
3907                     break;
3908                 case track_video:
3909                     psz_type = "video";
3910                     tk->fmt.i_cat = VIDEO_ES;
3911                     break;
3912                 case track_subtitle:
3913                     psz_type = "subtitle";
3914                     tk->fmt.i_cat = SPU_ES;
3915                     break;
3916                 case track_buttons:
3917                     psz_type = "buttons";
3918                     tk->fmt.i_cat = SPU_ES;
3919                     break;
3920                 default:
3921                     psz_type = "unknown";
3922                     tk->fmt.i_cat = UNKNOWN_ES;
3923                     break;
3924             }
3925
3926             msg_Dbg( &sys.demuxer, "|   |   |   + Track Type=%s", psz_type );
3927         }
3928 //        else  if( EbmlId( *l ) == KaxTrackFlagEnabled::ClassInfos.GlobalId )
3929 //        {
3930 //            KaxTrackFlagEnabled &fenb = *(KaxTrackFlagEnabled*)l;
3931
3932 //            tk->b_enabled = uint32( fenb );
3933 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Enabled=%u",
3934 //                     uint32( fenb )  );
3935 //        }
3936         else  if( MKV_IS_ID( l, KaxTrackFlagDefault ) )
3937         {
3938             KaxTrackFlagDefault &fdef = *(KaxTrackFlagDefault*)l;
3939
3940             tk->b_default = uint32( fdef );
3941             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default=%u", uint32( fdef )  );
3942         }
3943         else  if( MKV_IS_ID( l, KaxTrackFlagLacing ) )
3944         {
3945             KaxTrackFlagLacing &lac = *(KaxTrackFlagLacing*)l;
3946
3947             msg_Dbg( &sys.demuxer, "|   |   |   + Track Lacing=%d", uint32( lac ) );
3948         }
3949         else  if( MKV_IS_ID( l, KaxTrackMinCache ) )
3950         {
3951             KaxTrackMinCache &cmin = *(KaxTrackMinCache*)l;
3952
3953             msg_Dbg( &sys.demuxer, "|   |   |   + Track MinCache=%d", uint32( cmin ) );
3954         }
3955         else  if( MKV_IS_ID( l, KaxTrackMaxCache ) )
3956         {
3957             KaxTrackMaxCache &cmax = *(KaxTrackMaxCache*)l;
3958
3959             msg_Dbg( &sys.demuxer, "|   |   |   + Track MaxCache=%d", uint32( cmax ) );
3960         }
3961         else  if( MKV_IS_ID( l, KaxTrackDefaultDuration ) )
3962         {
3963             KaxTrackDefaultDuration &defd = *(KaxTrackDefaultDuration*)l;
3964
3965             tk->i_default_duration = uint64(defd);
3966             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default Duration="I64Fd, uint64(defd) );
3967         }
3968         else  if( MKV_IS_ID( l, KaxTrackTimecodeScale ) )
3969         {
3970             KaxTrackTimecodeScale &ttcs = *(KaxTrackTimecodeScale*)l;
3971
3972             tk->f_timecodescale = float( ttcs );
3973             msg_Dbg( &sys.demuxer, "|   |   |   + Track TimeCodeScale=%f", tk->f_timecodescale );
3974         }
3975         else if( MKV_IS_ID( l, KaxTrackName ) )
3976         {
3977             KaxTrackName &tname = *(KaxTrackName*)l;
3978
3979             tk->fmt.psz_description = ToUTF8( UTFstring( tname ) );
3980             msg_Dbg( &sys.demuxer, "|   |   |   + Track Name=%s", tk->fmt.psz_description );
3981         }
3982         else  if( MKV_IS_ID( l, KaxTrackLanguage ) )
3983         {
3984             KaxTrackLanguage &lang = *(KaxTrackLanguage*)l;
3985
3986             tk->fmt.psz_language = strdup( string( lang ).c_str() );
3987             msg_Dbg( &sys.demuxer,
3988                      "|   |   |   + Track Language=`%s'", tk->fmt.psz_language );
3989         }
3990         else  if( MKV_IS_ID( l, KaxCodecID ) )
3991         {
3992             KaxCodecID &codecid = *(KaxCodecID*)l;
3993
3994             tk->psz_codec = strdup( string( codecid ).c_str() );
3995             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecId=%s", string( codecid ).c_str() );
3996         }
3997         else  if( MKV_IS_ID( l, KaxCodecPrivate ) )
3998         {
3999             KaxCodecPrivate &cpriv = *(KaxCodecPrivate*)l;
4000
4001             tk->i_extra_data = cpriv.GetSize();
4002             if( tk->i_extra_data > 0 )
4003             {
4004                 tk->p_extra_data = (uint8_t*)malloc( tk->i_extra_data );
4005                 memcpy( tk->p_extra_data, cpriv.GetBuffer(), tk->i_extra_data );
4006             }
4007             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecPrivate size="I64Fd, cpriv.GetSize() );
4008         }
4009         else if( MKV_IS_ID( l, KaxCodecName ) )
4010         {
4011             KaxCodecName &cname = *(KaxCodecName*)l;
4012
4013             tk->psz_codec_name = ToUTF8( UTFstring( cname ) );
4014             msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Name=%s", tk->psz_codec_name );
4015         }
4016         else if( MKV_IS_ID( l, KaxContentEncodings ) )
4017         {
4018             EbmlMaster *cencs = static_cast<EbmlMaster*>(l);
4019             MkvTree( sys.demuxer, 3, "Content Encodings" );
4020             for( j = 0; j < cencs->ListSize(); j++ )
4021             {
4022                 EbmlElement *l2 = (*cencs)[j];
4023                 if( MKV_IS_ID( l2, KaxContentEncoding ) )
4024                 {
4025                     MkvTree( sys.demuxer, 4, "Content Encoding" );
4026                     EbmlMaster *cenc = static_cast<EbmlMaster*>(l2);
4027                     for( k = 0; k < cenc->ListSize(); k++ )
4028                     {
4029                         EbmlElement *l3 = (*cenc)[k];
4030                         if( MKV_IS_ID( l3, KaxContentEncodingOrder ) )
4031                         {
4032                             KaxContentEncodingOrder &encord = *(KaxContentEncodingOrder*)l3;
4033                             MkvTree( sys.demuxer, 5, "Order: %i", uint32( encord ) );
4034                         }
4035                         else if( MKV_IS_ID( l3, KaxContentEncodingScope ) )
4036                         {
4037                             KaxContentEncodingScope &encscope = *(KaxContentEncodingScope*)l3;
4038                             MkvTree( sys.demuxer, 5, "Scope: %i", uint32( encscope ) );
4039                         }
4040                         else if( MKV_IS_ID( l3, KaxContentEncodingType ) )
4041                         {
4042                             KaxContentEncodingType &enctype = *(KaxContentEncodingType*)l3;
4043                             MkvTree( sys.demuxer, 5, "Type: %i", uint32( enctype ) );
4044                         }
4045                         else if( MKV_IS_ID( l3, KaxContentCompression ) )
4046                         {
4047                             EbmlMaster *compr = static_cast<EbmlMaster*>(l3);
4048                             MkvTree( sys.demuxer, 5, "Content Compression" );
4049                             for( n = 0; n < compr->ListSize(); n++ )
4050                             {
4051                                 EbmlElement *l4 = (*compr)[n];
4052                                 if( MKV_IS_ID( l4, KaxContentCompAlgo ) )
4053                                 {
4054                                     KaxContentCompAlgo &compalg = *(KaxContentCompAlgo*)l4;
4055                                     MkvTree( sys.demuxer, 6, "Compression Algorithm: %i", uint32(compalg) );
4056                                     if( uint32( compalg ) == 0 )
4057                                     {
4058                                         tk->i_compression_type = MATROSKA_COMPRESSION_ZLIB;
4059                                     }
4060                                 }
4061                                 else
4062                                 {
4063                                     MkvTree( sys.demuxer, 6, "Unknown (%s)", typeid(*l4).name() );
4064                                 }
4065                             }
4066                         }
4067
4068                         else
4069                         {
4070                             MkvTree( sys.demuxer, 5, "Unknown (%s)", typeid(*l3).name() );
4071                         }
4072                     }
4073
4074                 }
4075                 else
4076                 {
4077                     MkvTree( sys.demuxer, 4, "Unknown (%s)", typeid(*l2).name() );
4078                 }
4079             }
4080
4081         }
4082 //        else if( EbmlId( *l ) == KaxCodecSettings::ClassInfos.GlobalId )
4083 //        {
4084 //            KaxCodecSettings &cset = *(KaxCodecSettings*)l;
4085
4086 //            tk->psz_codec_settings = ToUTF8( UTFstring( cset ) );
4087 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Settings=%s", tk->psz_codec_settings );
4088 //        }
4089 //        else if( EbmlId( *l ) == KaxCodecInfoURL::ClassInfos.GlobalId )
4090 //        {
4091 //            KaxCodecInfoURL &ciurl = *(KaxCodecInfoURL*)l;
4092
4093 //            tk->psz_codec_info_url = strdup( string( ciurl ).c_str() );
4094 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_info_url );
4095 //        }
4096 //        else if( EbmlId( *l ) == KaxCodecDownloadURL::ClassInfos.GlobalId )
4097 //        {
4098 //            KaxCodecDownloadURL &cdurl = *(KaxCodecDownloadURL*)l;
4099
4100 //            tk->psz_codec_download_url = strdup( string( cdurl ).c_str() );
4101 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_download_url );
4102 //        }
4103 //        else if( EbmlId( *l ) == KaxCodecDecodeAll::ClassInfos.GlobalId )
4104 //        {
4105 //            KaxCodecDecodeAll &cdall = *(KaxCodecDecodeAll*)l;
4106
4107 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Decode All=%u <== UNUSED", uint8( cdall ) );
4108 //        }
4109 //        else if( EbmlId( *l ) == KaxTrackOverlay::ClassInfos.GlobalId )
4110 //        {
4111 //            KaxTrackOverlay &tovr = *(KaxTrackOverlay*)l;
4112
4113 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Overlay=%u <== UNUSED", uint32( tovr ) );
4114 //        }
4115         else  if( MKV_IS_ID( l, KaxTrackVideo ) )
4116         {
4117             EbmlMaster *tkv = static_cast<EbmlMaster*>(l);
4118             unsigned int j;
4119
4120             msg_Dbg( &sys.demuxer, "|   |   |   + Track Video" );
4121             tk->f_fps = 0.0;
4122
4123             tk->fmt.video.i_frame_rate_base = (unsigned int)(tk->i_default_duration / 1000);
4124             tk->fmt.video.i_frame_rate = 1000000;
4125
4126             for( j = 0; j < tkv->ListSize(); j++ )
4127             {
4128                 EbmlElement *l = (*tkv)[j];
4129 //                if( EbmlId( *el4 ) == KaxVideoFlagInterlaced::ClassInfos.GlobalId )
4130 //                {
4131 //                    KaxVideoFlagInterlaced &fint = *(KaxVideoFlagInterlaced*)el4;
4132
4133 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Interlaced=%u", uint8( fint ) );
4134 //                }
4135 //                else if( EbmlId( *el4 ) == KaxVideoStereoMode::ClassInfos.GlobalId )
4136 //                {
4137 //                    KaxVideoStereoMode &stereo = *(KaxVideoStereoMode*)el4;
4138
4139 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Stereo Mode=%u", uint8( stereo ) );
4140 //                }
4141 //                else
4142                 if( MKV_IS_ID( l, KaxVideoPixelWidth ) )
4143                 {
4144                     KaxVideoPixelWidth &vwidth = *(KaxVideoPixelWidth*)l;
4145
4146                     tk->fmt.video.i_width = uint16( vwidth );
4147                     msg_Dbg( &sys.demuxer, "|   |   |   |   + width=%d", uint16( vwidth ) );
4148                 }
4149                 else if( MKV_IS_ID( l, KaxVideoPixelHeight ) )
4150                 {
4151                     KaxVideoPixelWidth &vheight = *(KaxVideoPixelWidth*)l;
4152
4153                     tk->fmt.video.i_height = uint16( vheight );
4154                     msg_Dbg( &sys.demuxer, "|   |   |   |   + height=%d", uint16( vheight ) );
4155                 }
4156                 else if( MKV_IS_ID( l, KaxVideoDisplayWidth ) )
4157                 {
4158                     KaxVideoDisplayWidth &vwidth = *(KaxVideoDisplayWidth*)l;
4159
4160                     tk->fmt.video.i_visible_width = uint16( vwidth );
4161                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display width=%d", uint16( vwidth ) );
4162                 }
4163                 else if( MKV_IS_ID( l, KaxVideoDisplayHeight ) )
4164                 {
4165                     KaxVideoDisplayWidth &vheight = *(KaxVideoDisplayWidth*)l;
4166
4167                     tk->fmt.video.i_visible_height = uint16( vheight );
4168                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display height=%d", uint16( vheight ) );
4169                 }
4170                 else if( MKV_IS_ID( l, KaxVideoFrameRate ) )
4171                 {
4172                     KaxVideoFrameRate &vfps = *(KaxVideoFrameRate*)l;
4173
4174                     tk->f_fps = float( vfps );
4175                     msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( vfps ) );
4176                 }
4177 //                else if( EbmlId( *l ) == KaxVideoDisplayUnit::ClassInfos.GlobalId )
4178 //                {
4179 //                     KaxVideoDisplayUnit &vdmode = *(KaxVideoDisplayUnit*)l;
4180
4181 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Display Unit=%s",
4182 //                             uint8( vdmode ) == 0 ? "pixels" : ( uint8( vdmode ) == 1 ? "centimeters": "inches" ) );
4183 //                }
4184 //                else if( EbmlId( *l ) == KaxVideoAspectRatio::ClassInfos.GlobalId )
4185 //                {
4186 //                    KaxVideoAspectRatio &ratio = *(KaxVideoAspectRatio*)l;
4187
4188 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + Track Video Aspect Ratio Type=%u", uint8( ratio ) );
4189 //                }
4190 //                else if( EbmlId( *l ) == KaxVideoGamma::ClassInfos.GlobalId )
4191 //                {
4192 //                    KaxVideoGamma &gamma = *(KaxVideoGamma*)l;
4193
4194 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( gamma ) );
4195 //                }
4196                 else
4197                 {
4198                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4199                 }
4200             }
4201             if ( tk->fmt.video.i_visible_height && tk->fmt.video.i_visible_width )
4202                 tk->fmt.video.i_aspect = VOUT_ASPECT_FACTOR * tk->fmt.video.i_visible_width / tk->fmt.video.i_visible_height;
4203         }
4204         else  if( MKV_IS_ID( l, KaxTrackAudio ) )
4205         {
4206             EbmlMaster *tka = static_cast<EbmlMaster*>(l);
4207             unsigned int j;
4208
4209             msg_Dbg( &sys.demuxer, "|   |   |   + Track Audio" );
4210
4211             for( j = 0; j < tka->ListSize(); j++ )
4212             {
4213                 EbmlElement *l = (*tka)[j];
4214
4215                 if( MKV_IS_ID( l, KaxAudioSamplingFreq ) )
4216                 {
4217                     KaxAudioSamplingFreq &afreq = *(KaxAudioSamplingFreq*)l;
4218
4219                     tk->fmt.audio.i_rate = (int)float( afreq );
4220                     msg_Dbg( &sys.demuxer, "|   |   |   |   + afreq=%d", tk->fmt.audio.i_rate );
4221                 }
4222                 else if( MKV_IS_ID( l, KaxAudioChannels ) )
4223                 {
4224                     KaxAudioChannels &achan = *(KaxAudioChannels*)l;
4225
4226                     tk->fmt.audio.i_channels = uint8( achan );
4227                     msg_Dbg( &sys.demuxer, "|   |   |   |   + achan=%u", uint8( achan ) );
4228                 }
4229                 else if( MKV_IS_ID( l, KaxAudioBitDepth ) )
4230                 {
4231                     KaxAudioBitDepth &abits = *(KaxAudioBitDepth*)l;
4232
4233                     tk->fmt.audio.i_bitspersample = uint8( abits );
4234                     msg_Dbg( &sys.demuxer, "|   |   |   |   + abits=%u", uint8( abits ) );
4235                 }
4236                 else
4237                 {
4238                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4239                 }
4240             }
4241         }
4242         else
4243         {
4244             msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)",
4245                      typeid(*l).name() );
4246         }
4247     }
4248 }
4249
4250 /*****************************************************************************
4251  * ParseTracks:
4252  *****************************************************************************/
4253 void matroska_segment_c::ParseTracks( KaxTracks *tracks )
4254 {
4255     EbmlElement *el;
4256     unsigned int i;
4257     int i_upper_level = 0;
4258
4259     msg_Dbg( &sys.demuxer, "|   + Tracks" );
4260
4261     /* Master elements */
4262     tracks->Read( es, tracks->Generic().Context, i_upper_level, el, true );
4263
4264     for( i = 0; i < tracks->ListSize(); i++ )
4265     {
4266         EbmlElement *l = (*tracks)[i];
4267
4268         if( MKV_IS_ID( l, KaxTrackEntry ) )
4269         {
4270             ParseTrackEntry( static_cast<KaxTrackEntry *>(l) );
4271         }
4272         else
4273         {
4274             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4275         }
4276     }
4277 }
4278
4279 /*****************************************************************************
4280  * ParseInfo:
4281  *****************************************************************************/
4282 void matroska_segment_c::ParseInfo( KaxInfo *info )
4283 {
4284     EbmlElement *el;
4285     EbmlMaster  *m;
4286     size_t i, j;
4287     int i_upper_level = 0;
4288
4289     msg_Dbg( &sys.demuxer, "|   + Information" );
4290
4291     /* Master elements */
4292     m = static_cast<EbmlMaster *>(info);
4293     m->Read( es, info->Generic().Context, i_upper_level, el, true );
4294
4295     for( i = 0; i < m->ListSize(); i++ )
4296     {
4297         EbmlElement *l = (*m)[i];
4298
4299         if( MKV_IS_ID( l, KaxSegmentUID ) )
4300         {
4301             p_segment_uid = new KaxSegmentUID(*static_cast<KaxSegmentUID*>(l));
4302
4303             msg_Dbg( &sys.demuxer, "|   |   + UID=%d", *(uint32*)p_segment_uid->GetBuffer() );
4304         }
4305         else if( MKV_IS_ID( l, KaxPrevUID ) )
4306         {
4307             p_prev_segment_uid = new KaxPrevUID(*static_cast<KaxPrevUID*>(l));
4308
4309             msg_Dbg( &sys.demuxer, "|   |   + PrevUID=%d", *(uint32*)p_prev_segment_uid->GetBuffer() );
4310         }
4311         else if( MKV_IS_ID( l, KaxNextUID ) )
4312         {
4313             p_next_segment_uid = new KaxNextUID(*static_cast<KaxNextUID*>(l));
4314
4315             msg_Dbg( &sys.demuxer, "|   |   + NextUID=%d", *(uint32*)p_next_segment_uid->GetBuffer() );
4316         }
4317         else if( MKV_IS_ID( l, KaxTimecodeScale ) )
4318         {
4319             KaxTimecodeScale &tcs = *(KaxTimecodeScale*)l;
4320
4321             i_timescale = uint64(tcs);
4322
4323             msg_Dbg( &sys.demuxer, "|   |   + TimecodeScale="I64Fd,
4324                      i_timescale );
4325         }
4326         else if( MKV_IS_ID( l, KaxDuration ) )
4327         {
4328             KaxDuration &dur = *(KaxDuration*)l;
4329
4330             i_duration = mtime_t( double( dur ) );
4331
4332             msg_Dbg( &sys.demuxer, "|   |   + Duration="I64Fd,
4333                      i_duration );
4334         }
4335         else if( MKV_IS_ID( l, KaxMuxingApp ) )
4336         {
4337             KaxMuxingApp &mapp = *(KaxMuxingApp*)l;
4338
4339             psz_muxing_application = ToUTF8( UTFstring( mapp ) );
4340
4341             msg_Dbg( &sys.demuxer, "|   |   + Muxing Application=%s",
4342                      psz_muxing_application );
4343         }
4344         else if( MKV_IS_ID( l, KaxWritingApp ) )
4345         {
4346             KaxWritingApp &wapp = *(KaxWritingApp*)l;
4347
4348             psz_writing_application = ToUTF8( UTFstring( wapp ) );
4349
4350             msg_Dbg( &sys.demuxer, "|   |   + Writing Application=%s",
4351                      psz_writing_application );
4352         }
4353         else if( MKV_IS_ID( l, KaxSegmentFilename ) )
4354         {
4355             KaxSegmentFilename &sfn = *(KaxSegmentFilename*)l;
4356
4357             psz_segment_filename = ToUTF8( UTFstring( sfn ) );
4358
4359             msg_Dbg( &sys.demuxer, "|   |   + Segment Filename=%s",
4360                      psz_segment_filename );
4361         }
4362         else if( MKV_IS_ID( l, KaxTitle ) )
4363         {
4364             KaxTitle &title = *(KaxTitle*)l;
4365
4366             psz_title = ToUTF8( UTFstring( title ) );
4367
4368             msg_Dbg( &sys.demuxer, "|   |   + Title=%s", psz_title );
4369         }
4370         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
4371         {
4372             KaxSegmentFamily *uid = static_cast<KaxSegmentFamily*>(l);
4373
4374             families.push_back(*uid);
4375
4376             msg_Dbg( &sys.demuxer, "|   |   + family=%d", *(uint32*)uid->GetBuffer() );
4377         }
4378 #if defined( HAVE_GMTIME_R ) && !defined( SYS_DARWIN )
4379         else if( MKV_IS_ID( l, KaxDateUTC ) )
4380         {
4381             KaxDateUTC &date = *(KaxDateUTC*)l;
4382             time_t i_date;
4383             struct tm tmres;
4384             char   buffer[256];
4385
4386             i_date = date.GetEpochDate();
4387             memset( buffer, 0, 256 );
4388             if( gmtime_r( &i_date, &tmres ) &&
4389                 asctime_r( &tmres, buffer ) )
4390             {
4391                 buffer[strlen( buffer)-1]= '\0';
4392                 psz_date_utc = strdup( buffer );
4393                 msg_Dbg( &sys.demuxer, "|   |   + Date=%s", psz_date_utc );
4394             }
4395         }
4396 #endif
4397 #if LIBMATROSKA_VERSION >= 0x000704
4398         else if( MKV_IS_ID( l, KaxChapterTranslate ) )
4399         {
4400             KaxChapterTranslate *p_trans = static_cast<KaxChapterTranslate*>( l );
4401             chapter_translation_c *p_translate = new chapter_translation_c();
4402
4403             p_trans->Read( es, p_trans->Generic().Context, i_upper_level, el, true );
4404             for( j = 0; j < p_trans->ListSize(); j++ )
4405             {
4406                 EbmlElement *l = (*p_trans)[j];
4407
4408                 if( MKV_IS_ID( l, KaxChapterTranslateEditionUID ) )
4409                 {
4410                     p_translate->editions.push_back( uint64( *static_cast<KaxChapterTranslateEditionUID*>( l ) ) );
4411                 }
4412                 else if( MKV_IS_ID( l, KaxChapterTranslateCodec ) )
4413                 {
4414                     p_translate->codec_id = uint32( *static_cast<KaxChapterTranslateCodec*>( l ) );
4415                 }
4416                 else if( MKV_IS_ID( l, KaxChapterTranslateID ) )
4417                 {
4418                     p_translate->p_translated = new KaxChapterTranslateID( *static_cast<KaxChapterTranslateID*>( l ) );
4419                 }
4420             }
4421
4422             translations.push_back( p_translate );
4423         }
4424 #endif
4425         else
4426         {
4427             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4428         }
4429     }
4430
4431     double f_dur = double(i_duration) * double(i_timescale) / 1000000.0;
4432     i_duration = mtime_t(f_dur);
4433 }
4434
4435
4436 /*****************************************************************************
4437  * ParseChapterAtom
4438  *****************************************************************************/
4439 void matroska_segment_c::ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters )
4440 {
4441     size_t i, j;
4442
4443     msg_Dbg( &sys.demuxer, "|   |   |   + ChapterAtom (level=%d)", i_level );
4444     for( i = 0; i < ca->ListSize(); i++ )
4445     {
4446         EbmlElement *l = (*ca)[i];
4447
4448         if( MKV_IS_ID( l, KaxChapterUID ) )
4449         {
4450             chapters.i_uid = uint64_t(*(KaxChapterUID*)l);
4451             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterUID: %lld", chapters.i_uid );
4452         }
4453         else if( MKV_IS_ID( l, KaxChapterFlagHidden ) )
4454         {
4455             KaxChapterFlagHidden &flag =*(KaxChapterFlagHidden*)l;
4456             chapters.b_display_seekpoint = uint8( flag ) == 0;
4457
4458             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterFlagHidden: %s", chapters.b_display_seekpoint ? "no":"yes" );
4459         }
4460         else if( MKV_IS_ID( l, KaxChapterTimeStart ) )
4461         {
4462             KaxChapterTimeStart &start =*(KaxChapterTimeStart*)l;
4463             chapters.i_start_time = uint64( start ) / I64C(1000);
4464
4465             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeStart: %lld", chapters.i_start_time );
4466         }
4467         else if( MKV_IS_ID( l, KaxChapterTimeEnd ) )
4468         {
4469             KaxChapterTimeEnd &end =*(KaxChapterTimeEnd*)l;
4470             chapters.i_end_time = uint64( end ) / I64C(1000);
4471
4472             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeEnd: %lld", chapters.i_end_time );
4473         }
4474         else if( MKV_IS_ID( l, KaxChapterDisplay ) )
4475         {
4476             EbmlMaster *cd = static_cast<EbmlMaster *>(l);
4477
4478             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterDisplay" );
4479             for( j = 0; j < cd->ListSize(); j++ )
4480             {
4481                 EbmlElement *l= (*cd)[j];
4482
4483                 if( MKV_IS_ID( l, KaxChapterString ) )
4484                 {
4485                     int k;
4486
4487                     KaxChapterString &name =*(KaxChapterString*)l;
4488                     for (k = 0; k < i_level; k++)
4489                         chapters.psz_name += '+';
4490                     chapters.psz_name += ' ';
4491                     chapters.psz_name += ToUTF8( UTFstring( name ) );
4492                     chapters.b_user_display = true;
4493
4494                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterString '%s'", ToUTF8(UTFstring(name)) );
4495                 }
4496                 else if( MKV_IS_ID( l, KaxChapterLanguage ) )
4497                 {
4498                     KaxChapterLanguage &lang =*(KaxChapterLanguage*)l;
4499                     const char *psz = string( lang ).c_str();
4500
4501                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterLanguage '%s'", psz );
4502                 }
4503                 else if( MKV_IS_ID( l, KaxChapterCountry ) )
4504                 {
4505                     KaxChapterCountry &ct =*(KaxChapterCountry*)l;
4506                     const char *psz = string( ct ).c_str();
4507
4508                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterCountry '%s'", psz );
4509                 }
4510             }
4511         }
4512         else if( MKV_IS_ID( l, KaxChapterProcess ) )
4513         {
4514             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterProcess" );
4515
4516             KaxChapterProcess *cp = static_cast<KaxChapterProcess *>(l);
4517             chapter_codec_cmds_c *p_ccodec = NULL;
4518
4519             for( j = 0; j < cp->ListSize(); j++ )
4520             {
4521                 EbmlElement *k= (*cp)[j];
4522
4523                 if( MKV_IS_ID( k, KaxChapterProcessCodecID ) )
4524                 {
4525                     KaxChapterProcessCodecID *p_codec_id = static_cast<KaxChapterProcessCodecID*>( k );
4526                     if ( uint32(*p_codec_id) == 0 )
4527                         p_ccodec = new matroska_script_codec_c( sys );
4528                     else if ( uint32(*p_codec_id) == 1 )
4529                         p_ccodec = new dvd_chapter_codec_c( sys );
4530                     break;
4531                 }
4532             }
4533
4534             if ( p_ccodec != NULL )
4535             {
4536                 for( j = 0; j < cp->ListSize(); j++ )
4537                 {
4538                     EbmlElement *k= (*cp)[j];
4539
4540                     if( MKV_IS_ID( k, KaxChapterProcessPrivate ) )
4541                     {
4542                         KaxChapterProcessPrivate * p_private = static_cast<KaxChapterProcessPrivate*>( k );
4543                         p_ccodec->SetPrivate( *p_private );
4544                     }
4545                     else if( MKV_IS_ID( k, KaxChapterProcessCommand ) )
4546                     {
4547                         p_ccodec->AddCommand( *static_cast<KaxChapterProcessCommand*>( k ) );
4548                     }
4549                 }
4550                 chapters.codecs.push_back( p_ccodec );
4551             }
4552         }
4553         else if( MKV_IS_ID( l, KaxChapterAtom ) )
4554         {
4555             chapter_item_c *new_sub_chapter = new chapter_item_c();
4556             ParseChapterAtom( i_level+1, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4557             new_sub_chapter->psz_parent = &chapters;
4558             chapters.sub_chapters.push_back( new_sub_chapter );
4559         }
4560     }
4561 }
4562
4563 /*****************************************************************************
4564  * ParseChapters:
4565  *****************************************************************************/
4566 void matroska_segment_c::ParseChapters( KaxChapters *chapters )
4567 {
4568     EbmlElement *el;
4569     size_t i;
4570     int i_upper_level = 0;
4571     mtime_t i_dur;
4572
4573     /* Master elements */
4574     chapters->Read( es, chapters->Generic().Context, i_upper_level, el, true );
4575
4576     for( i = 0; i < chapters->ListSize(); i++ )
4577     {
4578         EbmlElement *l = (*chapters)[i];
4579
4580         if( MKV_IS_ID( l, KaxEditionEntry ) )
4581         {
4582             chapter_edition_c *p_edition = new chapter_edition_c();
4583
4584             EbmlMaster *E = static_cast<EbmlMaster *>(l );
4585             size_t j;
4586             msg_Dbg( &sys.demuxer, "|   |   + EditionEntry" );
4587             for( j = 0; j < E->ListSize(); j++ )
4588             {
4589                 EbmlElement *l = (*E)[j];
4590
4591                 if( MKV_IS_ID( l, KaxChapterAtom ) )
4592                 {
4593                     chapter_item_c *new_sub_chapter = new chapter_item_c();
4594                     ParseChapterAtom( 0, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4595                     p_edition->sub_chapters.push_back( new_sub_chapter );
4596                 }
4597                 else if( MKV_IS_ID( l, KaxEditionUID ) )
4598                 {
4599                     p_edition->i_uid = uint64(*static_cast<KaxEditionUID *>( l ));
4600                 }
4601                 else if( MKV_IS_ID( l, KaxEditionFlagOrdered ) )
4602                 {
4603                     p_edition->b_ordered = config_GetInt( &sys.demuxer, "mkv-use-ordered-chapters" ) ? (uint8(*static_cast<KaxEditionFlagOrdered *>( l )) != 0) : 0;
4604                 }
4605                 else if( MKV_IS_ID( l, KaxEditionFlagDefault ) )
4606                 {
4607                     if (uint8(*static_cast<KaxEditionFlagDefault *>( l )) != 0)
4608                         i_default_edition = stored_editions.size();
4609                 }
4610                 else
4611                 {
4612                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
4613                 }
4614             }
4615             stored_editions.push_back( p_edition );
4616         }
4617         else
4618         {
4619             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4620         }
4621     }
4622
4623     for( i = 0; i < stored_editions.size(); i++ )
4624     {
4625         stored_editions[i]->RefreshChapters( );
4626     }
4627
4628     if ( stored_editions.size() != 0 && stored_editions[i_default_edition]->b_ordered )
4629     {
4630         /* update the duration of the segment according to the sum of all sub chapters */
4631         i_dur = stored_editions[i_default_edition]->Duration() / I64C(1000);
4632         if (i_dur > 0)
4633             i_duration = i_dur;
4634     }
4635 }
4636
4637 void matroska_segment_c::ParseCluster( )
4638 {
4639     EbmlElement *el;
4640     EbmlMaster  *m;
4641     unsigned int i;
4642     int i_upper_level = 0;
4643
4644     /* Master elements */
4645     m = static_cast<EbmlMaster *>( cluster );
4646     m->Read( es, cluster->Generic().Context, i_upper_level, el, true );
4647
4648     for( i = 0; i < m->ListSize(); i++ )
4649     {
4650         EbmlElement *l = (*m)[i];
4651
4652         if( MKV_IS_ID( l, KaxClusterTimecode ) )
4653         {
4654             KaxClusterTimecode &ctc = *(KaxClusterTimecode*)l;
4655
4656             cluster->InitTimecode( uint64( ctc ), i_timescale );
4657             break;
4658         }
4659     }
4660
4661     i_start_time = cluster->GlobalTimecode() / 1000;
4662 }
4663
4664 /*****************************************************************************
4665  * InformationCreate:
4666  *****************************************************************************/
4667 void matroska_segment_c::InformationCreate( )
4668 {
4669     size_t      i_track;
4670
4671     sys.meta = vlc_meta_New();
4672
4673     if( psz_title )
4674     {
4675         vlc_meta_Add( sys.meta, VLC_META_TITLE, psz_title );
4676     }
4677     if( psz_date_utc )
4678     {
4679         vlc_meta_Add( sys.meta, VLC_META_DATE, psz_date_utc );
4680     }
4681     if( psz_segment_filename )
4682     {
4683         vlc_meta_Add( sys.meta, _("Segment filename"), psz_segment_filename );
4684     }
4685     if( psz_muxing_application )
4686     {
4687         vlc_meta_Add( sys.meta, _("Muxing application"), psz_muxing_application );
4688     }
4689     if( psz_writing_application )
4690     {
4691         vlc_meta_Add( sys.meta, _("Writing application"), psz_writing_application );
4692     }
4693
4694     for( i_track = 0; i_track < tracks.size(); i_track++ )
4695     {
4696         mkv_track_t *tk = tracks[i_track];
4697         vlc_meta_t *mtk = vlc_meta_New();
4698
4699         sys.meta->track = (vlc_meta_t**)realloc( sys.meta->track,
4700                                                     sizeof( vlc_meta_t * ) * ( sys.meta->i_track + 1 ) );
4701         sys.meta->track[sys.meta->i_track++] = mtk;
4702
4703         if( tk->fmt.psz_description )
4704         {
4705             vlc_meta_Add( sys.meta, VLC_META_DESCRIPTION, tk->fmt.psz_description );
4706         }
4707         if( tk->psz_codec_name )
4708         {
4709             vlc_meta_Add( sys.meta, VLC_META_CODEC_NAME, tk->psz_codec_name );
4710         }
4711         if( tk->psz_codec_settings )
4712         {
4713             vlc_meta_Add( sys.meta, VLC_META_SETTING, tk->psz_codec_settings );
4714         }
4715         if( tk->psz_codec_info_url )
4716         {
4717             vlc_meta_Add( sys.meta, VLC_META_CODEC_DESCRIPTION, tk->psz_codec_info_url );
4718         }
4719         if( tk->psz_codec_download_url )
4720         {
4721             vlc_meta_Add( sys.meta, VLC_META_URL, tk->psz_codec_download_url );
4722         }
4723     }
4724
4725     if( i_tags_position >= 0 )
4726     {
4727         vlc_bool_t b_seekable;
4728
4729         stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
4730         if( b_seekable )
4731         {
4732             LoadTags( );
4733         }
4734     }
4735 }
4736
4737
4738 /*****************************************************************************
4739  * Divers
4740  *****************************************************************************/
4741
4742 void matroska_segment_c::IndexAppendCluster( KaxCluster *cluster )
4743 {
4744 #define idx p_indexes[i_index]
4745     idx.i_track       = -1;
4746     idx.i_block_number= -1;
4747     idx.i_position    = cluster->GetElementPosition();
4748     idx.i_time        = -1;
4749     idx.b_key         = VLC_TRUE;
4750
4751     i_index++;
4752     if( i_index >= i_index_max )
4753     {
4754         i_index_max += 1024;
4755         p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
4756     }
4757 #undef idx
4758 }
4759
4760 void chapter_edition_c::RefreshChapters( )
4761 {
4762     chapter_item_c::RefreshChapters( b_ordered, -1 );
4763     b_display_seekpoint = false;
4764 }
4765
4766 int64_t chapter_item_c::RefreshChapters( bool b_ordered, int64_t i_prev_user_time )
4767 {
4768     int64_t i_user_time = i_prev_user_time;
4769
4770     // first the sub-chapters, and then ourself
4771     std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
4772     while ( index != sub_chapters.end() )
4773     {
4774         i_user_time = (*index)->RefreshChapters( b_ordered, i_user_time );
4775         index++;
4776     }
4777
4778     if ( b_ordered )
4779     {
4780         // the ordered chapters always start at zero
4781         if ( i_prev_user_time == -1 )
4782         {
4783             if ( i_user_time == -1 )
4784                 i_user_time = 0;
4785             i_prev_user_time = 0;
4786         }
4787
4788         i_user_start_time = i_prev_user_time;
4789         if ( i_end_time != -1 && i_user_time == i_prev_user_time )
4790         {
4791             i_user_end_time = i_user_start_time - i_start_time + i_end_time;
4792         }
4793         else
4794         {
4795             i_user_end_time = i_user_time;
4796         }
4797     }
4798     else
4799     {
4800         std::sort( sub_chapters.begin(), sub_chapters.end() );
4801         i_user_start_time = i_start_time;
4802         if ( i_end_time != -1 )
4803             i_user_end_time = i_end_time;
4804         else if ( i_user_time != -1 )
4805             i_user_end_time = i_user_time;
4806         else
4807             i_user_end_time = i_user_start_time;
4808     }
4809
4810     return i_user_end_time;
4811 }
4812
4813 mtime_t chapter_edition_c::Duration() const
4814 {
4815     mtime_t i_result = 0;
4816
4817     if ( sub_chapters.size() )
4818     {
4819         std::vector<chapter_item_c*>::const_iterator index = sub_chapters.end();
4820         index--;
4821         i_result = (*index)->i_user_end_time;
4822     }
4823
4824     return i_result;
4825 }
4826
4827 chapter_item_c * chapter_edition_c::FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current )
4828 {
4829     if ( !b_ordered )
4830         p_current = NULL;
4831     bool b_found_current = false;
4832     return chapter_item_c::FindTimecode( i_timecode, p_current, b_found_current );
4833 }
4834
4835 chapter_item_c *chapter_item_c::FindTimecode( mtime_t i_user_timecode, const chapter_item_c * p_current, bool & b_found )
4836 {
4837     chapter_item_c *psz_result = NULL;
4838
4839     if ( p_current == this )
4840         b_found = true;
4841
4842     if ( i_user_timecode >= i_user_start_time &&
4843         ( i_user_timecode < i_user_end_time ||
4844           ( i_user_start_time == i_user_end_time && i_user_timecode == i_user_end_time )))
4845     {
4846         std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
4847         while ( index != sub_chapters.end() && ((p_current == NULL && psz_result == NULL) || (p_current != NULL && (!b_found || psz_result == NULL))))
4848         {
4849             psz_result = (*index)->FindTimecode( i_user_timecode, p_current, b_found );
4850             index++;
4851         }
4852
4853         if ( psz_result == NULL )
4854             psz_result = this;
4855     }
4856
4857     return psz_result;
4858 }
4859
4860 bool chapter_item_c::ParentOf( const chapter_item_c & item ) const
4861 {
4862     if ( &item == this )
4863         return true;
4864
4865     std::vector<chapter_item_c*>::const_iterator index = sub_chapters.begin();
4866     while ( index != sub_chapters.end() )
4867     {
4868         if ( (*index)->ParentOf( item ) )
4869             return true;
4870         index++;
4871     }
4872
4873     return false;
4874 }
4875
4876 void demux_sys_t::PreloadFamily( const matroska_segment_c & of_segment )
4877 {
4878     for (size_t i=0; i<opened_segments.size(); i++)
4879     {
4880         opened_segments[i]->PreloadFamily( of_segment );
4881     }
4882 }
4883 bool matroska_segment_c::PreloadFamily( const matroska_segment_c & of_segment )
4884 {
4885     if ( b_preloaded )
4886         return false;
4887
4888     for (size_t i=0; i<families.size(); i++)
4889     {
4890         for (size_t j=0; j<of_segment.families.size(); j++)
4891         {
4892             if ( families[i] == of_segment.families[j] )
4893                 return Preload( );
4894         }
4895     }
4896
4897     return false;
4898 }
4899
4900 // preload all the linked segments for all preloaded segments
4901 void demux_sys_t::PreloadLinked( matroska_segment_c *p_segment )
4902 {
4903     size_t i_preloaded, i, j;
4904     virtual_segment_c *p_seg;
4905
4906     p_current_segment = VirtualFromSegments( p_segment );
4907
4908     used_segments.push_back( p_current_segment );
4909
4910     // create all the other virtual segments of the family
4911     do {
4912         i_preloaded = 0;
4913         for ( i=0; i< opened_segments.size(); i++ )
4914         {
4915             if ( opened_segments[i]->b_preloaded && !IsUsedSegment( *opened_segments[i] ) )
4916             {
4917                 p_seg = VirtualFromSegments( opened_segments[i] );
4918                 used_segments.push_back( p_seg );
4919                 i_preloaded++;
4920             }
4921         }
4922     } while ( i_preloaded ); // worst case: will stop when all segments are found as family related
4923
4924     // publish all editions of all usable segment
4925     for ( i=0; i< used_segments.size(); i++ )
4926     {
4927         p_seg = used_segments[i];
4928         if ( p_seg->p_editions != NULL )
4929         {
4930             std::string sz_name;
4931             input_title_t *p_title = vlc_input_title_New();
4932             p_seg->i_sys_title = i;
4933             int i_chapters;
4934
4935             // TODO use a name for each edition, let the TITLE deal with a codec name
4936             for ( j=0; j<p_seg->p_editions->size(); j++ )
4937             {
4938                 if ( p_title->psz_name == NULL )
4939                 {
4940                     sz_name = (*p_seg->p_editions)[j]->GetMainName();
4941                     if ( sz_name != "" )
4942                         p_title->psz_name = strdup( sz_name.c_str() );
4943                 }
4944
4945                 chapter_edition_c *p_edition = (*p_seg->p_editions)[j];
4946
4947                 i_chapters = 0;
4948                 p_edition->PublishChapters( *p_title, i_chapters, 0 );
4949             }
4950
4951             // create a name if there is none
4952             if ( p_title->psz_name == NULL )
4953             {
4954                 sz_name = N_("Segment ");
4955                 char psz_str[6];
4956                 sprintf( psz_str, "%d", (int)i );
4957                 sz_name += psz_str;
4958                 p_title->psz_name = strdup( sz_name.c_str() );
4959             }
4960
4961             titles.push_back( p_title );
4962         }
4963     }
4964
4965     // TODO decide which segment should be first used (VMG for DVD)
4966 }
4967
4968 bool demux_sys_t::IsUsedSegment( matroska_segment_c &segment ) const
4969 {
4970     for ( size_t i=0; i< used_segments.size(); i++ )
4971     {
4972         if ( used_segments[i]->FindUID( *segment.p_segment_uid ) )
4973             return true;
4974     }
4975     return false;
4976 }
4977
4978 virtual_segment_c *demux_sys_t::VirtualFromSegments( matroska_segment_c *p_segment ) const
4979 {
4980     size_t i_preloaded, i;
4981
4982     virtual_segment_c *p_result = new virtual_segment_c( p_segment );
4983
4984     // fill our current virtual segment with all hard linked segments
4985     do {
4986         i_preloaded = 0;
4987         for ( i=0; i< opened_segments.size(); i++ )
4988         {
4989             i_preloaded += p_result->AddSegment( opened_segments[i] );
4990         }
4991     } while ( i_preloaded ); // worst case: will stop when all segments are found as linked
4992
4993     p_result->Sort( );
4994
4995     p_result->PreloadLinked( );
4996
4997     p_result->PrepareChapters( );
4998
4999     return p_result;
5000 }
5001
5002 bool demux_sys_t::PreparePlayback( virtual_segment_c *p_new_segment )
5003 {
5004     if ( p_new_segment != NULL && p_new_segment != p_current_segment )
5005     {
5006         if ( p_current_segment != NULL && p_current_segment->Segment() != NULL )
5007             p_current_segment->Segment()->UnSelect();
5008
5009         p_current_segment = p_new_segment;
5010         i_current_title = p_new_segment->i_sys_title;
5011     }
5012
5013     p_current_segment->LoadCues();
5014     f_duration = p_current_segment->Duration();
5015
5016     /* add information */
5017     p_current_segment->Segment()->InformationCreate( );
5018
5019     p_current_segment->Segment()->Select( 0 );
5020
5021     return true;
5022 }
5023
5024 void demux_sys_t::JumpTo( virtual_segment_c & vsegment, chapter_item_c * p_chapter )
5025 {
5026     // if the segment is not part of the current segment, select the new one
5027     if ( &vsegment != p_current_segment )
5028     {
5029         PreparePlayback( &vsegment );
5030     }
5031
5032     if ( p_chapter != NULL )
5033     {
5034         if ( !p_chapter->Enter( true ) )
5035         {
5036             // jump to the location in the found segment
5037             vsegment.Seek( demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5038         }
5039     }
5040
5041 }
5042
5043 bool matroska_segment_c::CompareSegmentUIDs( const matroska_segment_c * p_item_a, const matroska_segment_c * p_item_b )
5044 {
5045     if ( p_item_a == NULL || p_item_b == NULL )
5046         return false;
5047
5048     EbmlBinary * p_itema = (EbmlBinary *)(p_item_a->p_segment_uid);
5049     if ( p_item_b->p_prev_segment_uid != NULL && *p_itema == *p_item_b->p_prev_segment_uid )
5050         return true;
5051
5052     p_itema = (EbmlBinary *)(&p_item_a->p_next_segment_uid);
5053     if ( p_item_b->p_segment_uid != NULL && *p_itema == *p_item_b->p_segment_uid )
5054         return true;
5055
5056     if ( p_item_b->p_prev_segment_uid != NULL && *p_itema == *p_item_b->p_prev_segment_uid )
5057         return true;
5058
5059     return false;
5060 }
5061
5062 bool matroska_segment_c::Preload( )
5063 {
5064     if ( b_preloaded )
5065         return false;
5066
5067     EbmlElement *el = NULL;
5068
5069     ep->Reset( &sys.demuxer );
5070
5071     while( ( el = ep->Get() ) != NULL )
5072     {
5073         if( MKV_IS_ID( el, KaxInfo ) )
5074         {
5075             ParseInfo( static_cast<KaxInfo*>( el ) );
5076         }
5077         else if( MKV_IS_ID( el, KaxTracks ) )
5078         {
5079             ParseTracks( static_cast<KaxTracks*>( el ) );
5080         }
5081         else if( MKV_IS_ID( el, KaxSeekHead ) )
5082         {
5083             ParseSeekHead( static_cast<KaxSeekHead*>( el ) );
5084         }
5085         else if( MKV_IS_ID( el, KaxCues ) )
5086         {
5087             msg_Dbg( &sys.demuxer, "|   + Cues" );
5088         }
5089         else if( MKV_IS_ID( el, KaxCluster ) )
5090         {
5091             msg_Dbg( &sys.demuxer, "|   + Cluster" );
5092
5093             cluster = (KaxCluster*)el;
5094
5095             i_cluster_pos = i_start_pos = cluster->GetElementPosition();
5096             ParseCluster( );
5097
5098             ep->Down();
5099             /* stop parsing the stream */
5100             break;
5101         }
5102         else if( MKV_IS_ID( el, KaxAttachments ) )
5103         {
5104             msg_Dbg( &sys.demuxer, "|   + Attachments FIXME (but probably never supported)" );
5105         }
5106         else if( MKV_IS_ID( el, KaxChapters ) )
5107         {
5108             msg_Dbg( &sys.demuxer, "|   + Chapters" );
5109             ParseChapters( static_cast<KaxChapters*>( el ) );
5110         }
5111         else if( MKV_IS_ID( el, KaxTag ) )
5112         {
5113             msg_Dbg( &sys.demuxer, "|   + Tags FIXME TODO" );
5114         }
5115         else
5116         {
5117             msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid(*el).name() );
5118         }
5119     }
5120
5121     b_preloaded = true;
5122
5123     return true;
5124 }
5125
5126 matroska_segment_c *demux_sys_t::FindSegment( const EbmlBinary & uid ) const
5127 {
5128     for (size_t i=0; i<opened_segments.size(); i++)
5129     {
5130         if ( *opened_segments[i]->p_segment_uid == uid )
5131             return opened_segments[i];
5132     }
5133     return NULL;
5134 }
5135
5136 chapter_item_c *demux_sys_t::BrowseCodecPrivate( unsigned int codec_id,
5137                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
5138                                         const void *p_cookie,
5139                                         size_t i_cookie_size,
5140                                         virtual_segment_c * &p_segment_found )
5141 {
5142     chapter_item_c *p_result = NULL;
5143     for (size_t i=0; i<used_segments.size(); i++)
5144     {
5145         p_result = used_segments[i]->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
5146         if ( p_result != NULL )
5147         {
5148             p_segment_found = used_segments[i];
5149             break;
5150         }
5151     }
5152     return p_result;
5153 }
5154
5155 chapter_item_c *demux_sys_t::FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found )
5156 {
5157     chapter_item_c *p_result = NULL;
5158     for (size_t i=0; i<used_segments.size(); i++)
5159     {
5160         p_result = used_segments[i]->FindChapter( i_find_uid );
5161         if ( p_result != NULL )
5162         {
5163             p_segment_found = used_segments[i];
5164             break;
5165         }
5166     }
5167     return p_result;
5168 }
5169
5170 void virtual_segment_c::Sort()
5171 {
5172     // keep the current segment index
5173     matroska_segment_c *p_segment = linked_segments[i_current_segment];
5174
5175     std::sort( linked_segments.begin(), linked_segments.end(), matroska_segment_c::CompareSegmentUIDs );
5176
5177     for ( i_current_segment=0; i_current_segment<linked_segments.size(); i_current_segment++)
5178         if ( linked_segments[i_current_segment] == p_segment )
5179             break;
5180 }
5181
5182 size_t virtual_segment_c::AddSegment( matroska_segment_c *p_segment )
5183 {
5184     size_t i;
5185     // check if it's not already in here
5186     for ( i=0; i<linked_segments.size(); i++ )
5187     {
5188         if ( *p_segment->p_segment_uid == *linked_segments[i]->p_segment_uid )
5189             return 0;
5190     }
5191
5192     // find possible mates
5193     for ( i=0; i<linked_uids.size(); i++ )
5194     {
5195         if (   (p_segment->p_segment_uid != NULL && *p_segment->p_segment_uid == linked_uids[i])
5196             || (p_segment->p_prev_segment_uid != NULL && *p_segment->p_prev_segment_uid == linked_uids[i])
5197             || (p_segment->p_next_segment_uid !=NULL && *p_segment->p_next_segment_uid == linked_uids[i]) )
5198         {
5199             linked_segments.push_back( p_segment );
5200
5201             AppendUID( p_segment->p_prev_segment_uid );
5202             AppendUID( p_segment->p_next_segment_uid );
5203
5204             return 1;
5205         }
5206     }
5207     return 0;
5208 }
5209
5210 void virtual_segment_c::PreloadLinked( )
5211 {
5212     for ( size_t i=0; i<linked_segments.size(); i++ )
5213     {
5214         linked_segments[i]->Preload( );
5215     }
5216     i_current_edition = linked_segments[0]->i_default_edition;
5217 }
5218
5219 mtime_t virtual_segment_c::Duration() const
5220 {
5221     mtime_t i_duration;
5222     if ( linked_segments.size() == 0 )
5223         i_duration = 0;
5224     else {
5225         matroska_segment_c *p_last_segment = linked_segments[linked_segments.size()-1];
5226 //        p_last_segment->ParseCluster( );
5227
5228         i_duration = p_last_segment->i_start_time / 1000 + p_last_segment->i_duration;
5229     }
5230     return i_duration;
5231 }
5232
5233 void virtual_segment_c::LoadCues( )
5234 {
5235     for ( size_t i=0; i<linked_segments.size(); i++ )
5236     {
5237         linked_segments[i]->LoadCues();
5238     }
5239 }
5240
5241 void virtual_segment_c::AppendUID( const EbmlBinary * p_UID )
5242 {
5243     if ( p_UID == NULL )
5244         return;
5245     if ( p_UID->GetBuffer() == NULL )
5246         return;
5247
5248     for (size_t i=0; i<linked_uids.size(); i++)
5249     {
5250         if ( *p_UID == linked_uids[i] )
5251             return;
5252     }
5253     linked_uids.push_back( *(KaxSegmentUID*)(p_UID) );
5254 }
5255
5256 void matroska_segment_c::Seek( mtime_t i_date, mtime_t i_time_offset )
5257 {
5258     KaxBlock    *block;
5259     int         i_track_skipping;
5260     int64_t     i_block_duration;
5261     int64_t     i_block_ref1;
5262     int64_t     i_block_ref2;
5263     size_t      i_track;
5264     int64_t     i_seek_position = i_start_pos;
5265     int64_t     i_seek_time = i_start_time;
5266
5267     if ( i_index > 0 )
5268     {
5269         int i_idx = 0;
5270
5271         for( ; i_idx < i_index; i_idx++ )
5272         {
5273             if( p_indexes[i_idx].i_time + i_time_offset > i_date )
5274             {
5275                 break;
5276             }
5277         }
5278
5279         if( i_idx > 0 )
5280         {
5281             i_idx--;
5282         }
5283
5284         i_seek_position = p_indexes[i_idx].i_position;
5285         i_seek_time = p_indexes[i_idx].i_time;
5286     }
5287
5288     msg_Dbg( &sys.demuxer, "seek got "I64Fd" (%d%%)",
5289                 i_seek_time, (int)( 100 * i_seek_position / stream_Size( sys.demuxer.s ) ) );
5290
5291     es.I_O().setFilePointer( i_seek_position, seek_beginning );
5292
5293     delete ep;
5294     ep = new EbmlParser( &es, segment, &sys.demuxer );
5295     cluster = NULL;
5296
5297     sys.i_start_pts = i_date;
5298
5299     es_out_Control( sys.demuxer.out, ES_OUT_RESET_PCR );
5300
5301     /* now parse until key frame */
5302     i_track_skipping = 0;
5303     for( i_track = 0; i_track < tracks.size(); i_track++ )
5304     {
5305         if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5306         {
5307             tracks[i_track]->b_search_keyframe = VLC_TRUE;
5308             i_track_skipping++;
5309         }
5310         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_date );
5311     }
5312
5313
5314     while( i_track_skipping > 0 )
5315     {
5316         if( BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
5317         {
5318             msg_Warn( &sys.demuxer, "cannot get block EOF?" );
5319
5320             return;
5321         }
5322         ep->Down();
5323
5324         for( i_track = 0; i_track < tracks.size(); i_track++ )
5325         {
5326             if( tracks[i_track]->i_number == block->TrackNum() )
5327             {
5328                 break;
5329             }
5330         }
5331
5332         sys.i_last_dts = sys.i_pts = (sys.i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
5333
5334         if( i_track < tracks.size() )
5335         {
5336            if( sys.i_pts >= sys.i_start_pts )
5337             {
5338                 cluster = static_cast<KaxCluster*>(ep->UnGet( i_block_pos, i_cluster_pos ));
5339                 i_track_skipping = 0;
5340             }
5341             else if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5342             {
5343                 if( i_block_ref1 == 0 && tracks[i_track]->b_search_keyframe )
5344                 {
5345                     tracks[i_track]->b_search_keyframe = VLC_FALSE;
5346                     i_track_skipping--;
5347                 }
5348                 if( !tracks[i_track]->b_search_keyframe )
5349                 {
5350                     BlockDecode( &sys.demuxer, block, sys.i_pts, 0 );
5351                 }
5352             }
5353         }
5354
5355         delete block;
5356     }
5357 }
5358
5359 void virtual_segment_c::Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter )
5360 {
5361     demux_sys_t *p_sys = demuxer.p_sys;
5362     size_t i;
5363
5364     // find the actual time for an ordered edition
5365     if ( psz_chapter == NULL )
5366     {
5367         if ( Edition() && Edition()->b_ordered )
5368         {
5369             /* 1st, we need to know in which chapter we are */
5370             psz_chapter = (*p_editions)[i_current_edition]->FindTimecode( i_date, psz_current_chapter );
5371         }
5372     }
5373
5374     if ( psz_chapter != NULL )
5375     {
5376         psz_current_chapter = psz_chapter;
5377         p_sys->i_chapter_time = i_time_offset = psz_chapter->i_user_start_time - psz_chapter->i_start_time;
5378         if ( psz_chapter->i_seekpoint_num > 0 )
5379         {
5380             demuxer.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
5381             demuxer.info.i_title = p_sys->i_current_title = i_sys_title;
5382             demuxer.info.i_seekpoint = psz_chapter->i_seekpoint_num - 1;
5383         }
5384     }
5385
5386     // find the best matching segment
5387     for ( i=0; i<linked_segments.size(); i++ )
5388     {
5389         if ( i_date < linked_segments[i]->i_start_time )
5390             break;
5391     }
5392
5393     if ( i > 0 )
5394         i--;
5395
5396     if ( i_current_segment != i  )
5397     {
5398         linked_segments[i_current_segment]->UnSelect();
5399         linked_segments[i]->Select( i_date );
5400         i_current_segment = i;
5401     }
5402
5403     linked_segments[i]->Seek( i_date, i_time_offset );
5404 }
5405
5406 void chapter_codec_cmds_c::AddCommand( const KaxChapterProcessCommand & command )
5407 {
5408     size_t i;
5409
5410     uint32 codec_time = uint32(-1);
5411     for( i = 0; i < command.ListSize(); i++ )
5412     {
5413         const EbmlElement *k = command[i];
5414
5415         if( MKV_IS_ID( k, KaxChapterProcessTime ) )
5416         {
5417             codec_time = uint32( *static_cast<const KaxChapterProcessTime*>( k ) );
5418             break;
5419         }
5420     }
5421
5422     for( i = 0; i < command.ListSize(); i++ )
5423     {
5424         const EbmlElement *k = command[i];
5425
5426         if( MKV_IS_ID( k, KaxChapterProcessData ) )
5427         {
5428             KaxChapterProcessData *p_data =  new KaxChapterProcessData( *static_cast<const KaxChapterProcessData*>( k ) );
5429             switch ( codec_time )
5430             {
5431             case 0:
5432                 during_cmds.push_back( p_data );
5433                 break;
5434             case 1:
5435                 enter_cmds.push_back( p_data );
5436                 break;
5437             case 2:
5438                 leave_cmds.push_back( p_data );
5439                 break;
5440             default:
5441                 delete p_data;
5442             }
5443         }
5444     }
5445 }
5446
5447 bool chapter_item_c::Enter( bool b_do_subs )
5448 {
5449     bool f_result = false;
5450     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5451     while ( index != codecs.end() )
5452     {
5453         f_result |= (*index)->Enter();
5454         index++;
5455     }
5456
5457     if ( b_do_subs )
5458     {
5459         // sub chapters
5460         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5461         while ( index_ != sub_chapters.end() )
5462         {
5463             f_result |= (*index_)->Enter( true );
5464             index_++;
5465         }
5466     }
5467     return f_result;
5468 }
5469
5470 bool chapter_item_c::Leave( bool b_do_subs )
5471 {
5472     bool f_result = false;
5473     b_is_leaving = true;
5474     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5475     while ( index != codecs.end() )
5476     {
5477         f_result |= (*index)->Leave();
5478         index++;
5479     }
5480
5481     if ( b_do_subs )
5482     {
5483         // sub chapters
5484         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5485         while ( index_ != sub_chapters.end() )
5486         {
5487             f_result |= (*index_)->Leave( true );
5488             index_++;
5489         }
5490     }
5491     b_is_leaving = false;
5492     return f_result;
5493 }
5494
5495 bool chapter_item_c::EnterAndLeave( chapter_item_c *p_item, bool b_final_enter )
5496 {
5497     chapter_item_c *p_common_parent = p_item;
5498
5499     // leave, up to a common parent
5500     while ( p_common_parent != NULL && !p_common_parent->ParentOf( *this ) )
5501     {
5502         if ( !p_common_parent->b_is_leaving && p_common_parent->Leave( false ) )
5503             return true;
5504         p_common_parent = p_common_parent->psz_parent;
5505     }
5506
5507     // enter from the parent to <this>
5508     if ( p_common_parent != NULL )
5509     {
5510         do
5511         {
5512             if ( p_common_parent == this )
5513                 return Enter( true );
5514
5515             for ( size_t i = 0; i<p_common_parent->sub_chapters.size(); i++ )
5516             {
5517                 if ( p_common_parent->sub_chapters[i]->ParentOf( *this ) )
5518                 {
5519                     p_common_parent = p_common_parent->sub_chapters[i];
5520                     if ( p_common_parent != this )
5521                         if ( p_common_parent->Enter( false ) )
5522                             return true;
5523
5524                     break;
5525                 }
5526             }
5527         } while ( 1 );
5528     }
5529
5530     if ( b_final_enter )
5531         return Enter( true );
5532     else
5533         return false;
5534 }
5535
5536 bool dvd_chapter_codec_c::Enter()
5537 {
5538     bool f_result = false;
5539     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
5540     while ( index != enter_cmds.end() )
5541     {
5542         if ( (*index)->GetSize() )
5543         {
5544             binary *p_data = (*index)->GetBuffer();
5545             size_t i_size = *p_data++;
5546             // avoid reading too much from the buffer
5547             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
5548             for ( ; i_size > 0; i_size--, p_data += 8 )
5549             {
5550                 msg_Dbg( &sys.demuxer, "Matroska DVD enter command" );
5551                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5552             }
5553         }
5554         index++;
5555     }
5556     return f_result;
5557 }
5558
5559 bool dvd_chapter_codec_c::Leave()
5560 {
5561     bool f_result = false;
5562     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
5563     while ( index != leave_cmds.end() )
5564     {
5565         if ( (*index)->GetSize() )
5566         {
5567             binary *p_data = (*index)->GetBuffer();
5568             size_t i_size = *p_data++;
5569             // avoid reading too much from the buffer
5570             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
5571             for ( ; i_size > 0; i_size--, p_data += 8 )
5572             {
5573                 msg_Dbg( &sys.demuxer, "Matroska DVD leave command" );
5574                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5575             }
5576         }
5577         index++;
5578     }
5579     return f_result;
5580 }
5581
5582 // see http://www.dvd-replica.com/DVD/vmcmdset.php for a description of DVD commands
5583 bool dvd_command_interpretor_c::Interpret( const binary * p_command, size_t i_size )
5584 {
5585     if ( i_size != 8 )
5586         return false;
5587
5588     virtual_segment_c *p_segment;
5589     chapter_item_c *p_chapter;
5590     bool f_result = false;
5591     uint16 i_command = ( p_command[0] << 8 ) + p_command[1];
5592
5593     // handle register tests if there are some
5594     if ( (i_command & 0xF0) != 0 )
5595     {
5596         bool b_test_positive = true;//(i_command & CMD_DVD_IF_NOT) == 0;
5597         bool b_test_value    = (i_command & CMD_DVD_TEST_VALUE) != 0;
5598         uint8 i_test = i_command & 0x70;
5599         uint16 i_value;
5600
5601         // see http://dvd.sourceforge.net/dvdinfo/vmi.html
5602         uint8  i_cr1;
5603         uint16 i_cr2;
5604         switch ( i_command >> 12 )
5605         {
5606         default:
5607             i_cr1 = p_command[3];
5608             i_cr2 = (p_command[4] << 8) + p_command[5];
5609             break;
5610         case 3:
5611         case 4:
5612         case 5:
5613             i_cr1 = p_command[6];
5614             i_cr2 = p_command[7];
5615             b_test_value = false;
5616             break;
5617         case 6:
5618         case 7:
5619             if ( ((p_command[1] >> 4) & 0x7) == 0)
5620             {
5621                 i_cr1 = p_command[2];
5622                 i_cr2 = (p_command[6] << 8) + p_command[7];
5623             }
5624             else
5625             {
5626                 i_cr1 = p_command[2];
5627                 i_cr2 = (p_command[6] << 8) + p_command[7];
5628             }
5629             break;
5630         }
5631
5632         if ( b_test_value )
5633             i_value = i_cr2;
5634         else
5635             i_value = GetPRM( i_cr2 );
5636
5637         switch ( i_test )
5638         {
5639         case CMD_DVD_IF_GPREG_EQUAL:
5640             // if equals
5641             msg_Dbg( &sys.demuxer, "IF %s EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5642             if (!( GetPRM( i_cr1 ) == i_value ))
5643             {
5644                 b_test_positive = false;
5645             }
5646             break;
5647         case CMD_DVD_IF_GPREG_NOT_EQUAL:
5648             // if not equals
5649             msg_Dbg( &sys.demuxer, "IF %s NOT EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5650             if (!( GetPRM( i_cr1 ) != i_value ))
5651             {
5652                 b_test_positive = false;
5653             }
5654             break;
5655         case CMD_DVD_IF_GPREG_INF:
5656             // if inferior
5657             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5658             if (!( GetPRM( i_cr1 ) < i_value ))
5659             {
5660                 b_test_positive = false;
5661             }
5662             break;
5663         case CMD_DVD_IF_GPREG_INF_EQUAL:
5664             // if inferior or equal
5665             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5666             if (!( GetPRM( i_cr1 ) <= i_value ))
5667             {
5668                 b_test_positive = false;
5669             }
5670             break;
5671         case CMD_DVD_IF_GPREG_AND:
5672             // if logical and
5673             msg_Dbg( &sys.demuxer, "IF %s & %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5674             if (!( GetPRM( i_cr1 ) & i_value ))
5675             {
5676                 b_test_positive = false;
5677             }
5678             break;
5679         case CMD_DVD_IF_GPREG_SUP:
5680             // if superior
5681             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5682             if (!( GetPRM( i_cr1 ) > i_value ))
5683             {
5684                 b_test_positive = false;
5685             }
5686             break;
5687         case CMD_DVD_IF_GPREG_SUP_EQUAL:
5688             // if superior or equal
5689             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5690             if (!( GetPRM( i_cr1 ) >= i_value ))
5691             {
5692                 b_test_positive = false;
5693             }
5694             break;
5695         }
5696
5697         if ( !b_test_positive )
5698             return false;
5699     }
5700
5701     // strip the test command
5702     i_command &= 0xFF0F;
5703
5704     switch ( i_command )
5705     {
5706     case CMD_DVD_NOP:
5707     case CMD_DVD_NOP2:
5708         {
5709             msg_Dbg( &sys.demuxer, "NOP" );
5710             break;
5711         }
5712     case CMD_DVD_BREAK:
5713         {
5714             msg_Dbg( &sys.demuxer, "Break" );
5715             // TODO
5716             break;
5717         }
5718     case CMD_DVD_JUMP_TT:
5719         {
5720             uint8 i_title = p_command[5];
5721             msg_Dbg( &sys.demuxer, "JumpTT %d", i_title );
5722
5723             // find in the ChapProcessPrivate matching this Title level
5724             p_chapter = sys.BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title), p_segment );
5725             if ( p_segment != NULL )
5726             {
5727                 sys.JumpTo( *p_segment, p_chapter );
5728                 f_result = true;
5729             }
5730
5731             break;
5732         }
5733     case CMD_DVD_CALLSS_VTSM1:
5734         {
5735             msg_Dbg( &sys.demuxer, "CallSS" );
5736             binary p_type;
5737             switch( (p_command[6] & 0xC0) >> 6 ) {
5738                 case 0:
5739                     p_type = p_command[5] & 0x0F;
5740                     switch ( p_type )
5741                     {
5742                     case 0x00:
5743                         msg_Dbg( &sys.demuxer, "CallSS PGC (rsm_cell %x)", p_command[4]);
5744                         break;
5745                     case 0x02:
5746                         msg_Dbg( &sys.demuxer, "CallSS Title Entry (rsm_cell %x)", p_command[4]);
5747                         break;
5748                     case 0x03:
5749                         msg_Dbg( &sys.demuxer, "CallSS Root Menu (rsm_cell %x)", p_command[4]);
5750                         break;
5751                     case 0x04:
5752                         msg_Dbg( &sys.demuxer, "CallSS Subpicture Menu (rsm_cell %x)", p_command[4]);
5753                         break;
5754                     case 0x05:
5755                         msg_Dbg( &sys.demuxer, "CallSS Audio Menu (rsm_cell %x)", p_command[4]);
5756                         break;
5757                     case 0x06:
5758                         msg_Dbg( &sys.demuxer, "CallSS Angle Menu (rsm_cell %x)", p_command[4]);
5759                         break;
5760                     case 0x07:
5761                         msg_Dbg( &sys.demuxer, "CallSS Chapter Menu (rsm_cell %x)", p_command[4]);
5762                         break;
5763                     default:
5764                         msg_Dbg( &sys.demuxer, "CallSS <unknown> (rsm_cell %x)", p_command[4]);
5765                         break;
5766                     }
5767                     p_chapter = sys.BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1, p_segment );
5768                     if ( p_segment != NULL )
5769                     {
5770                         sys.JumpTo( *p_segment, p_chapter );
5771                         f_result = true;
5772                     }
5773                 break;
5774                 case 1:
5775                     msg_Dbg( &sys.demuxer, "CallSS VMGM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
5776                 break;
5777                 case 2:
5778                     msg_Dbg( &sys.demuxer, "CallSS VTSM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
5779                 break;
5780                 case 3:
5781                     msg_Dbg( &sys.demuxer, "CallSS VMGM (pgc %d, rsm_cell %x)", (p_command[2] << 8) + p_command[3], p_command[4]);
5782                 break;
5783             }
5784             break;
5785         }
5786     case CMD_DVD_JUMP_SS:
5787         {
5788             msg_Dbg( &sys.demuxer, "JumpSS");
5789             binary p_type;
5790             switch( (p_command[5] & 0xC0) >> 6 ) {
5791                 case 0:
5792                     msg_Dbg( &sys.demuxer, "JumpSS FP");
5793                 break;
5794                 case 1:
5795                     p_type = p_command[5] & 0x0F;
5796                     switch ( p_type )
5797                     {
5798                     case 0x02:
5799                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Title Entry");
5800                         break;
5801                     case 0x03:
5802                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Root Menu");
5803                         break;
5804                     case 0x04:
5805                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Subpicture Menu");
5806                         break;
5807                     case 0x05:
5808                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Audio Menu");
5809                         break;
5810                     case 0x06:
5811                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Angle Menu");
5812                         break;
5813                     case 0x07:
5814                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Chapter Menu");
5815                         break;
5816                     default:
5817                         msg_Dbg( &sys.demuxer, "JumpSS <unknown>");
5818                         break;
5819                     }
5820                     // find the VMG
5821                     p_chapter = sys.BrowseCodecPrivate( 1, MatchIsVMG, NULL, 0, p_segment );
5822                     if ( p_segment != NULL )
5823                     {
5824                         p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
5825                         if ( p_chapter != NULL )
5826                         {
5827                             sys.JumpTo( *p_segment, p_chapter );
5828                             f_result = true;
5829                         }
5830                     }
5831                 break;
5832                 case 2:
5833                     p_type = p_command[5] & 0x0F;
5834                     switch ( p_type )
5835                     {
5836                     case 0x02:
5837                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Title Entry", p_command[4], p_command[3]);
5838                         break;
5839                     case 0x03:
5840                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Root Menu", p_command[4], p_command[3]);
5841                         break;
5842                     case 0x04:
5843                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Subpicture Menu", p_command[4], p_command[3]);
5844                         break;
5845                     case 0x05:
5846                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Audio Menu", p_command[4], p_command[3]);
5847                         break;
5848                     case 0x06:
5849                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Angle Menu", p_command[4], p_command[3]);
5850                         break;
5851                     case 0x07:
5852                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Chapter Menu", p_command[4], p_command[3]);
5853                         break;
5854                     default:
5855                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) <unknown>", p_command[4], p_command[3]);
5856                         break;
5857                     }
5858
5859                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSMNumber, &p_command[4], 1, p_segment );
5860
5861                     if ( p_segment != NULL && p_chapter != NULL )
5862                     {
5863                         // find the title in the VTS
5864                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &p_command[3], 1 );
5865                         if ( p_chapter != NULL )
5866                         {
5867                             // find the specified menu in the VTSM
5868                             p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
5869                             if ( p_chapter != NULL )
5870                             {
5871                                 sys.JumpTo( *p_segment, p_chapter );
5872                                 f_result = true;
5873                             }
5874                         }
5875                         else
5876                             msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", p_command[3] );
5877                     }
5878                     else
5879                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", p_command[4] );
5880                 break;
5881                 case 3:
5882                     msg_Dbg( &sys.demuxer, "JumpSS VMGM (pgc %d)", (p_command[2] << 8) + p_command[3]);
5883                 break;
5884             }
5885             break;
5886         }
5887     case CMD_DVD_JUMPVTS_PTT:
5888         {
5889             uint8 i_title = p_command[5];
5890             uint8 i_ptt = p_command[3];
5891
5892             msg_Dbg( &sys.demuxer, "JumpVTS Title (%d) PTT (%d)", i_title, i_ptt);
5893
5894             // find the current VTS content segment
5895             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchIsDomain, NULL, 0 );
5896             if ( p_chapter != NULL )
5897             {
5898                 int16 i_curr_title = p_chapter->GetTitleNumber( );
5899                 if ( i_curr_title > 0 )
5900                 {
5901                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSNumber, &i_curr_title, sizeof(i_curr_title), p_segment );
5902
5903                     if ( p_segment != NULL && p_chapter != NULL )
5904                     {
5905                         // find the title in the VTS
5906                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title) );
5907                         if ( p_chapter != NULL )
5908                         {
5909                             // find the chapter in the title
5910                             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchChapterNumber, &i_ptt, sizeof(i_ptt) );
5911                             if ( p_chapter != NULL )
5912                             {
5913                                 sys.JumpTo( *p_segment, p_chapter );
5914                                 f_result = true;
5915                             }
5916                         }
5917                     else
5918                         msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", i_title );
5919                     }
5920                     else
5921                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", i_curr_title );
5922                 }
5923                 else
5924                     msg_Dbg( &sys.demuxer, "JumpVTS_PTT command found but not in a VTS(M)");
5925             }
5926             else
5927                 msg_Dbg( &sys.demuxer, "JumpVTS_PTT command but the DVD domain wasn't found");
5928             break;
5929         }
5930     case CMD_DVD_SET_GPRMMD:
5931         {
5932             msg_Dbg( &sys.demuxer, "Set GPRMMD [%d]=%d", (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3]);
5933
5934             if ( !SetGPRM( (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3] ) )
5935                 msg_Dbg( &sys.demuxer, "Set GPRMMD failed" );
5936             break;
5937         }
5938     case CMD_DVD_LINKPGCN:
5939         {
5940             uint16 i_pgcn = (p_command[6] << 8) + p_command[7];
5941
5942             msg_Dbg( &sys.demuxer, "Link PGCN(%d)", i_pgcn );
5943             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchPgcNumber, &i_pgcn, 2 );
5944             if ( p_chapter != NULL )
5945             {
5946                 if ( !p_chapter->Enter( true ) )
5947                     // jump to the location in the found segment
5948                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5949
5950                 f_result = true;
5951             }
5952             break;
5953         }
5954     case CMD_DVD_LINKCN:
5955         {
5956             uint8 i_cn = p_command[7];
5957
5958             p_chapter = sys.p_current_segment->CurrentChapter();
5959
5960             msg_Dbg( &sys.demuxer, "LinkCN (cell %d)", i_cn );
5961             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchCellNumber, &i_cn, 1 );
5962             if ( p_chapter != NULL )
5963             {
5964                 if ( !p_chapter->Enter( true ) )
5965                     // jump to the location in the found segment
5966                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5967
5968                 f_result = true;
5969             }
5970             break;
5971         }
5972     case CMD_DVD_GOTO_LINE:
5973         {
5974             msg_Dbg( &sys.demuxer, "GotoLine (%d)", (p_command[6] << 8) + p_command[7] );
5975             // TODO
5976             break;
5977         }
5978     case CMD_DVD_SET_HL_BTNN1:
5979         {
5980             msg_Dbg( &sys.demuxer, "SetHL_BTN (%d)", p_command[4] );
5981             SetSPRM( 0x88, p_command[4] );
5982             break;
5983         }
5984     default:
5985         {
5986             msg_Dbg( &sys.demuxer, "unsupported command : %02X %02X %02X %02X %02X %02X %02X %02X"
5987                      ,p_command[0]
5988                      ,p_command[1]
5989                      ,p_command[2]
5990                      ,p_command[3]
5991                      ,p_command[4]
5992                      ,p_command[5]
5993                      ,p_command[6]
5994                      ,p_command[7]);
5995             break;
5996         }
5997     }
5998
5999     return f_result;
6000 }
6001
6002 bool dvd_command_interpretor_c::MatchIsDomain( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6003 {
6004     return ( data.p_private_data != NULL && data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS );
6005 }
6006
6007 bool dvd_command_interpretor_c::MatchIsVMG( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6008 {
6009     if ( data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
6010         return false;
6011
6012     return ( data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS && data.p_private_data->GetBuffer()[1] == 0xC0);
6013 }
6014
6015 bool dvd_command_interpretor_c::MatchVTSNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6016 {
6017     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6018         return false;
6019
6020     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x80 )
6021         return false;
6022
6023     uint16 i_gtitle = (data.p_private_data->GetBuffer()[2] << 8 ) + data.p_private_data->GetBuffer()[3];
6024     uint16 i_title = *(uint16*)p_cookie;
6025
6026     return (i_gtitle == i_title);
6027 }
6028
6029 bool dvd_command_interpretor_c::MatchVTSMNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6030 {
6031     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6032         return false;
6033
6034     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x40 )
6035         return false;
6036
6037     uint8 i_gtitle = data.p_private_data->GetBuffer()[3];
6038     uint8 i_title = *(uint8*)p_cookie;
6039
6040     return (i_gtitle == i_title);
6041 }
6042
6043 bool dvd_command_interpretor_c::MatchTitleNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6044 {
6045     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6046         return false;
6047
6048     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_TT )
6049         return false;
6050
6051     uint16 i_gtitle = (data.p_private_data->GetBuffer()[1] << 8 ) + data.p_private_data->GetBuffer()[2];
6052     uint8 i_title = *(uint8*)p_cookie;
6053
6054     return (i_gtitle == i_title);
6055 }
6056
6057 bool dvd_command_interpretor_c::MatchPgcType( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6058 {
6059     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6060         return false;
6061
6062     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6063         return false;
6064
6065     uint8 i_pgc_type = data.p_private_data->GetBuffer()[3] & 0x0F;
6066     uint8 i_pgc = *(uint8*)p_cookie;
6067
6068     return (i_pgc_type == i_pgc);
6069 }
6070
6071 bool dvd_command_interpretor_c::MatchPgcNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6072 {
6073     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6074         return false;
6075
6076     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6077         return false;
6078
6079     uint16 *i_pgc_n = (uint16 *)p_cookie;
6080     uint16 i_pgc_num = (data.p_private_data->GetBuffer()[1] << 8) + data.p_private_data->GetBuffer()[2];
6081
6082     return (i_pgc_num == *i_pgc_n);
6083 }
6084
6085 bool dvd_command_interpretor_c::MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6086 {
6087     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
6088         return false;
6089
6090     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PTT )
6091         return false;
6092
6093     uint8 i_chapter = data.p_private_data->GetBuffer()[1];
6094     uint8 i_ptt = *(uint8*)p_cookie;
6095
6096     return (i_chapter == i_ptt);
6097 }
6098
6099 bool dvd_command_interpretor_c::MatchCellNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6100 {
6101     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 5 )
6102         return false;
6103
6104     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_CN )
6105         return false;
6106
6107     uint8 *i_cell_n = (uint8 *)p_cookie;
6108     uint8 i_cell_num = data.p_private_data->GetBuffer()[3];
6109
6110     return (i_cell_num == *i_cell_n);
6111 }
6112
6113 bool matroska_script_codec_c::Enter()
6114 {
6115     bool f_result = false;
6116     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
6117     while ( index != enter_cmds.end() )
6118     {
6119         if ( (*index)->GetSize() )
6120         {
6121             msg_Dbg( &sys.demuxer, "Matroska Script enter command" );
6122             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6123         }
6124         index++;
6125     }
6126     return f_result;
6127 }
6128
6129 bool matroska_script_codec_c::Leave()
6130 {
6131     bool f_result = false;
6132     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
6133     while ( index != leave_cmds.end() )
6134     {
6135         if ( (*index)->GetSize() )
6136         {
6137             msg_Dbg( &sys.demuxer, "Matroska Script leave command" );
6138             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6139         }
6140         index++;
6141     }
6142     return f_result;
6143 }
6144
6145 // see http://www.matroska.org/technical/specs/chapters/index.html#mscript
6146 //  for a description of existing commands
6147 bool matroska_script_interpretor_c::Interpret( const binary * p_command, size_t i_size )
6148 {
6149     bool b_result = false;
6150
6151     char *psz_str = (char*) malloc( i_size + 1 );
6152     memcpy( psz_str, p_command, i_size );
6153     psz_str[ i_size ] = '\0';
6154
6155     std::string sz_command = psz_str;
6156     free( psz_str );
6157
6158     msg_Dbg( &sys.demuxer, "command : %s", sz_command.c_str() );
6159
6160 #if defined(__GNUC__) && (__GNUC__ < 3)
6161     if ( sz_command.compare( CMD_MS_GOTO_AND_PLAY, 0, CMD_MS_GOTO_AND_PLAY.size() ) == 0 )
6162 #else
6163     if ( sz_command.compare( 0, CMD_MS_GOTO_AND_PLAY.size(), CMD_MS_GOTO_AND_PLAY ) == 0 )
6164 #endif
6165     {
6166         size_t i,j;
6167
6168         // find the (
6169         for ( i=CMD_MS_GOTO_AND_PLAY.size(); i<sz_command.size(); i++)
6170         {
6171             if ( sz_command[i] == '(' )
6172             {
6173                 i++;
6174                 break;
6175             }
6176         }
6177         // find the )
6178         for ( j=i; j<sz_command.size(); j++)
6179         {
6180             if ( sz_command[j] == ')' )
6181             {
6182                 i--;
6183                 break;
6184             }
6185         }
6186
6187         std::string st = sz_command.substr( i+1, j-i-1 );
6188         int64_t i_chapter_uid = atoi( st.c_str() );
6189
6190         virtual_segment_c *p_segment;
6191         chapter_item_c *p_chapter = sys.FindChapter( i_chapter_uid, p_segment );
6192
6193         if ( p_chapter == NULL )
6194             msg_Dbg( &sys.demuxer, "Chapter "I64Fd" not found", i_chapter_uid);
6195         else
6196         {
6197             if ( !p_chapter->EnterAndLeave( sys.p_current_segment->CurrentChapter() ) )
6198                 p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6199             b_result = true;
6200         }
6201     }
6202
6203     return b_result;
6204 }
6205
6206 void demux_sys_t::SwapButtons()
6207 {
6208 #ifndef WORDS_BIGENDIAN
6209     uint8_t button, i, j;
6210
6211     for( button = 1; button <= pci_packet.hli.hl_gi.btn_ns; button++) {
6212         btni_t *button_ptr = &(pci_packet.hli.btnit[button-1]);
6213         binary *p_data = (binary*) button_ptr;
6214
6215         uint16 i_x_start = ((p_data[0] & 0x3F) << 4 ) + ( p_data[1] >> 4 );
6216         uint16 i_x_end   = ((p_data[1] & 0x03) << 8 ) + p_data[2];
6217         uint16 i_y_start = ((p_data[3] & 0x3F) << 4 ) + ( p_data[4] >> 4 );
6218         uint16 i_y_end   = ((p_data[4] & 0x03) << 8 ) + p_data[5];
6219         button_ptr->x_start = i_x_start;
6220         button_ptr->x_end   = i_x_end;
6221         button_ptr->y_start = i_y_start;
6222         button_ptr->y_end   = i_y_end;
6223
6224     }
6225     for ( i = 0; i<3; i++ )
6226     {
6227         for ( j = 0; j<2; j++ )
6228         {
6229             pci_packet.hli.btn_colit.btn_coli[i][j] = U32_AT( &pci_packet.hli.btn_colit.btn_coli[i][j] );
6230         }
6231     }
6232 #endif
6233 }