git.sesse.net Git - vlc/blob - modules/demux/mkv.cpp

   1 /*****************************************************************************
   2  * mkv.cpp : matroska demuxer
   3  *****************************************************************************
   4  * Copyright (C) 2003-2004 VideoLAN
   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
 496   public:
 497     vlc_stream_io_callback( stream_t * );
 498
 499     virtual uint32   read            ( void *p_buffer, size_t i_size);
 500     virtual void     setFilePointer  ( int64_t i_offset, seek_mode mode = seek_beginning );
 501     virtual size_t   write           ( const void *p_buffer, size_t i_size);
 502     virtual uint64   getFilePointer  ( void );
 503     virtual void     close           ( void );
 504 };
 505
 506 /*****************************************************************************
 507  * Ebml Stream parser
 508  *****************************************************************************/
 509 class EbmlParser
 510 {
 511   public:
 512     EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux );
 513     virtual ~EbmlParser( void );
 514
 515     void Up( void );
 516     void Down( void );
 517     void Reset( demux_t *p_demux );
 518     EbmlElement *Get( void );
 519     void        Keep( void );
 520
 521     int GetLevel( void );
 522
 523   private:
 524     EbmlStream  *m_es;
 525     int         mi_level;
 526     EbmlElement *m_el[10];
 527     int64_t      mi_remain_size[10];
 528
 529     EbmlElement *m_got;
 530
 531     int         mi_user_level;
 532     vlc_bool_t  mb_keep;
 533     vlc_bool_t  mb_dummy;
 534 };
 535
 536
 537 /*****************************************************************************
 538  * Some functions to manipulate memory
 539  *****************************************************************************/
 540 #define GetFOURCC( p )  __GetFOURCC( (uint8_t*)p )
 541 static vlc_fourcc_t __GetFOURCC( uint8_t *p )
 542 {
 543     return VLC_FOURCC( p[0], p[1], p[2], p[3] );
 544 }
 545
 546 /*****************************************************************************
 547  * definitions of structures and functions used by this plugins
 548  *****************************************************************************/
 549 typedef struct
 550 {
 551     vlc_bool_t   b_default;
 552     vlc_bool_t   b_enabled;
 553     unsigned int i_number;
 554
 555     int          i_extra_data;
 556     uint8_t      *p_extra_data;
 557
 558     char         *psz_codec;
 559
 560     uint64_t     i_default_duration;
 561     float        f_timecodescale;
 562
 563     /* video */
 564     es_format_t fmt;
 565     float       f_fps;
 566     es_out_id_t *p_es;
 567
 568     vlc_bool_t      b_inited;
 569     /* data to be send first */
 570     int             i_data_init;
 571     uint8_t         *p_data_init;
 572
 573     /* hack : it's for seek */
 574     vlc_bool_t      b_search_keyframe;
 575     vlc_bool_t      b_silent;
 576
 577     /* informative */
 578     char         *psz_codec_name;
 579     char         *psz_codec_settings;
 580     char         *psz_codec_info_url;
 581     char         *psz_codec_download_url;
 582
 583     /* encryption/compression */
 584     int           i_compression_type;
 585
 586 } mkv_track_t;
 587
 588 typedef struct
 589 {
 590     int     i_track;
 591     int     i_block_number;
 592
 593     int64_t i_position;
 594     int64_t i_time;
 595
 596     vlc_bool_t b_key;
 597 } mkv_index_t;
 598
 599 class demux_sys_t;
 600
 601 const binary MATROSKA_DVD_LEVEL_SS   = 0x30;
 602 const binary MATROSKA_DVD_LEVEL_LU   = 0x2A;
 603 const binary MATROSKA_DVD_LEVEL_TT   = 0x28;
 604 const binary MATROSKA_DVD_LEVEL_PGC  = 0x20;
 605 const binary MATROSKA_DVD_LEVEL_PG   = 0x18;
 606 const binary MATROSKA_DVD_LEVEL_PTT  = 0x10;
 607 const binary MATROSKA_DVD_LEVEL_CN   = 0x08;
 608
 609 class chapter_codec_cmds_c
 610 {
 611 public:
 612     chapter_codec_cmds_c( demux_sys_t & demuxer, int codec_id = -1)
 613     :p_private_data(NULL)
 614     ,i_codec_id( codec_id )
 615     ,sys( demuxer )
 616     {}
 617
 618     virtual ~chapter_codec_cmds_c()
 619     {
 620         delete p_private_data;
 621         std::vector<KaxChapterProcessData*>::iterator indexe = enter_cmds.begin();
 622         while ( indexe != enter_cmds.end() )
 623         {
 624             delete (*indexe);
 625             indexe++;
 626         }
 627         std::vector<KaxChapterProcessData*>::iterator indexl = leave_cmds.begin();
 628         while ( indexl != leave_cmds.end() )
 629         {
 630             delete (*indexl);
 631             indexl++;
 632         }
 633         std::vector<KaxChapterProcessData*>::iterator indexd = during_cmds.begin();
 634         while ( indexd != during_cmds.end() )
 635         {
 636             delete (*indexd);
 637             indexd++;
 638         }
 639     }
 640
 641     void SetPrivate( const KaxChapterProcessPrivate & private_data )
 642     {
 643         p_private_data = new KaxChapterProcessPrivate( private_data );
 644     }
 645
 646     void AddCommand( const KaxChapterProcessCommand & command );
 647
 648     /// \return wether the codec has seeked in the files or not
 649     virtual bool Enter() { return false; }
 650     virtual bool Leave() { return false; }
 651     virtual std::string GetCodecName( bool f_for_title = false ) const { return ""; }
 652     virtual int16 GetTitleNumber() { return -1; }
 653
 654     KaxChapterProcessPrivate *p_private_data;
 655
 656 protected:
 657     std::vector<KaxChapterProcessData*> enter_cmds;
 658     std::vector<KaxChapterProcessData*> during_cmds;
 659     std::vector<KaxChapterProcessData*> leave_cmds;
 660
 661     int i_codec_id;
 662     demux_sys_t & sys;
 663 };
 664
 665 class dvd_command_interpretor_c
 666 {
 667 public:
 668     dvd_command_interpretor_c( demux_sys_t & demuxer )
 669     :sys( demuxer )
 670     {
 671         memset( p_PRMs, 0, sizeof(p_PRMs) );
 672         p_PRMs[ 0x80 + 1 ] = 15;
 673         p_PRMs[ 0x80 + 2 ] = 62;
 674         p_PRMs[ 0x80 + 3 ] = 1;
 675         p_PRMs[ 0x80 + 4 ] = 1;
 676         p_PRMs[ 0x80 + 7 ] = 1;
 677         p_PRMs[ 0x80 + 8 ] = 1;
 678         p_PRMs[ 0x80 + 16 ] = 0xFFFFu;
 679         p_PRMs[ 0x80 + 18 ] = 0xFFFFu;
 680     }
 681
 682     bool Interpret( const binary * p_command, size_t i_size = 8 );
 683
 684     uint16 GetPRM( size_t index ) const
 685     {
 686         if ( index < 256 )
 687             return p_PRMs[ index ];
 688         else return 0;
 689     }
 690
 691     uint16 GetGPRM( size_t index ) const
 692     {
 693         if ( index >= 0 && index < 16 )
 694             return p_PRMs[ index ];
 695         else return 0;
 696     }
 697
 698     uint16 GetSPRM( size_t index ) const
 699     {
 700         // 21,22,23 reserved for future use
 701         if ( index >= 0x80 && index < 0x95 )
 702             return p_PRMs[ index ];
 703         else return 0;
 704     }
 705
 706     bool SetPRM( size_t index, uint16 value )
 707     {
 708         if ( index >= 0 && index < 16 )
 709         {
 710             p_PRMs[ index ] = value;
 711             return true;
 712         }
 713         return false;
 714     }
 715
 716     bool SetGPRM( size_t index, uint16 value )
 717     {
 718         if ( index >= 0 && index < 16 )
 719         {
 720             p_PRMs[ index ] = value;
 721             return true;
 722         }
 723         return false;
 724     }
 725
 726     bool SetSPRM( size_t index, uint16 value )
 727     {
 728         if ( index > 0x80 && index <= 0x8D && index != 0x8C )
 729         {
 730             p_PRMs[ index ] = value;
 731             return true;
 732         }
 733         return false;
 734     }
 735
 736 protected:
 737     std::string GetRegTypeName( bool b_value, uint16 value ) const
 738     {
 739         std::string result;
 740         char s_value[6], s_reg_value[6];
 741         sprintf( s_value, "%.5d", value );
 742
 743         if ( b_value )
 744         {
 745             result = "value (";
 746             result += s_value;
 747             result += ")";
 748         }
 749         else if ( value < 0x80 )
 750         {
 751             sprintf( s_reg_value, "%.5d", GetPRM( value ) );
 752             result = "GPreg[";
 753             result += s_value;
 754             result += "] (";
 755             result += s_reg_value;
 756             result += ")";
 757         }
 758         else
 759         {
 760             sprintf( s_reg_value, "%.5d", GetPRM( value ) );
 761             result = "SPreg[";
 762             result += s_value;
 763             result += "] (";
 764             result += s_reg_value;
 765             result += ")";
 766         }
 767         return result;
 768     }
 769
 770     uint16       p_PRMs[256];
 771     demux_sys_t  & sys;
 772
 773     // DVD command IDs
 774
 775     // Tests
 776     // wether the test has to be positive or not
 777     static const uint16 CMD_DVD_IF_NOT              = 0x10;
 778     // wether it's a comparison on the value or register
 779     static const uint16 CMD_DVD_TEST_VALUE          = 0x80;
 780     static const uint16 CMD_DVD_IF_GPREG_AND        = (0 << 5);
 781     static const uint16 CMD_DVD_IF_GPREG_EQUAL      = (1 << 5);
 782     static const uint16 CMD_DVD_IF_GPREG_SUP_EQUAL  = (2 << 5);
 783     static const uint16 CMD_DVD_IF_GPREG_INF        = (3 << 5);
 784
 785     static const uint16 CMD_DVD_NOP                    = 0x0000;
 786     static const uint16 CMD_DVD_GOTO_LINE              = 0x0001;
 787     static const uint16 CMD_DVD_BREAK                  = 0x0002;
 788     // Links
 789     static const uint16 CMD_DVD_NOP2                   = 0x2001;
 790     static const uint16 CMD_DVD_LINKPGCN               = 0x2004;
 791     static const uint16 CMD_DVD_LINKPGN                = 0x2006;
 792     static const uint16 CMD_DVD_LINKCN                 = 0x2007;
 793     static const uint16 CMD_DVD_JUMP_TT                = 0x3002;
 794     static const uint16 CMD_DVD_JUMPVTS_TT             = 0x3003;
 795     static const uint16 CMD_DVD_JUMPVTS_PTT            = 0x3005;
 796     static const uint16 CMD_DVD_JUMP_SS                = 0x3006;
 797     static const uint16 CMD_DVD_CALLSS_VTSM1           = 0x3008;
 798     //
 799     static const uint16 CMD_DVD_SET_HL_BTNN2           = 0x4600;
 800     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN1  = 0x4604;
 801     static const uint16 CMD_DVD_SET_STREAM             = 0x5100;
 802     static const uint16 CMD_DVD_SET_GPRMMD             = 0x5300;
 803     static const uint16 CMD_DVD_SET_HL_BTNN1           = 0x5600;
 804     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN2  = 0x5604;
 805     static const uint16 CMD_DVD_SET_HL_BTNN_LINKCN     = 0x5607;
 806     // Operations
 807     static const uint16 CMD_DVD_MOV_SPREG_PREG         = 0x6100;
 808     static const uint16 CMD_DVD_GPREG_MOV_VALUE        = 0x7100;
 809     static const uint16 CMD_DVD_SUB_GPREG              = 0x7400;
 810     static const uint16 CMD_DVD_MULT_GPREG             = 0x7500;
 811     static const uint16 CMD_DVD_GPREG_DIV_VALUE        = 0x7600;
 812     static const uint16 CMD_DVD_GPREG_AND_VALUE        = 0x7900;
 813
 814     // callbacks when browsing inside CodecPrivate
 815     static bool MatchIsDomain     ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 816     static bool MatchVTSNumber    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 817     static bool MatchTitleNumber  ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 818     static bool MatchPgcType      ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 819     static bool MatchPgcNumber    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 820     static bool MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 821     static bool MatchCellNumber   ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 822 };
 823
 824 class dvd_chapter_codec_c : public chapter_codec_cmds_c
 825 {
 826 public:
 827     dvd_chapter_codec_c( demux_sys_t & sys )
 828     :chapter_codec_cmds_c( sys, 1 )
 829     {}
 830
 831     bool Enter();
 832     bool Leave();
 833     std::string GetCodecName( bool f_for_title = false ) const;
 834     int16 GetTitleNumber();
 835 };
 836
 837 class matroska_script_interpretor_c
 838 {
 839 public:
 840     matroska_script_interpretor_c( demux_sys_t & demuxer )
 841     :sys( demuxer )
 842     {}
 843
 844     bool Interpret( const binary * p_command, size_t i_size );
 845
 846     // DVD command IDs
 847     static const std::string CMD_MS_GOTO_AND_PLAY;
 848
 849 protected:
 850     demux_sys_t  & sys;
 851 };
 852
 853 const std::string matroska_script_interpretor_c::CMD_MS_GOTO_AND_PLAY = "GotoAndPlay";
 854
 855
 856 class matroska_script_codec_c : public chapter_codec_cmds_c
 857 {
 858 public:
 859     matroska_script_codec_c( demux_sys_t & sys )
 860     :chapter_codec_cmds_c( sys, 0 )
 861     ,interpretor( sys )
 862     {}
 863
 864     bool Enter();
 865     bool Leave();
 866
 867 protected:
 868     matroska_script_interpretor_c interpretor;
 869 };
 870
 871 class chapter_translation_c
 872 {
 873 public:
 874     chapter_translation_c()
 875         :p_translated(NULL)
 876     {}
 877
 878     ~chapter_translation_c()
 879     {
 880         delete p_translated;
 881     }
 882
 883     KaxChapterTranslateID  *p_translated;
 884     unsigned int           codec_id;
 885     std::vector<uint64_t>  editions;
 886 };
 887
 888 class chapter_item_c
 889 {
 890 public:
 891     chapter_item_c()
 892     :i_start_time(0)
 893     ,i_end_time(-1)
 894     ,i_user_start_time(-1)
 895     ,i_user_end_time(-1)
 896     ,i_seekpoint_num(-1)
 897     ,b_display_seekpoint(true)
 898     ,b_user_display(false)
 899     ,psz_parent(NULL)
 900     ,b_is_leaving(false)
 901     {}
 902
 903     virtual ~chapter_item_c()
 904     {
 905         std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
 906         while ( index != codecs.end() )
 907         {
 908             delete (*index);
 909             index++;
 910         }
 911         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
 912         while ( index_ != sub_chapters.end() )
 913         {
 914             delete (*index_);
 915             index_++;
 916         }
 917     }
 918
 919     int64_t RefreshChapters( bool b_ordered, int64_t i_prev_user_time );
 920     int PublishChapters( input_title_t & title, int & i_user_chapters, int i_level = 0 );
 921     chapter_item_c * FindTimecode( mtime_t i_timecode );
 922     void Append( const chapter_item_c & edition );
 923     chapter_item_c * FindChapter( int64_t i_find_uid );
 924     virtual chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
 925                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
 926                                     const void *p_cookie,
 927                                     size_t i_cookie_size );
 928     std::string                 GetCodecName( bool f_for_title = false ) const;
 929     bool                        ParentOf( const chapter_item_c & item ) const;
 930     int16                       GetTitleNumber( ) const;
 931
 932     int64_t                     i_start_time, i_end_time;
 933     int64_t                     i_user_start_time, i_user_end_time; /* the time in the stream when an edition is ordered */
 934     std::vector<chapter_item_c*> sub_chapters;
 935     int                         i_seekpoint_num;
 936     int64_t                     i_uid;
 937     bool                        b_display_seekpoint;
 938     bool                        b_user_display;
 939     std::string                 psz_name;
 940     chapter_item_c              *psz_parent;
 941     bool                        b_is_leaving;
 942
 943     std::vector<chapter_codec_cmds_c*> codecs;
 944
 945     bool operator<( const chapter_item_c & item ) const
 946     {
 947         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) );
 948     }
 949
 950     bool Enter( bool b_do_subchapters );
 951     bool Leave( bool b_do_subchapters );
 952     bool EnterAndLeave( chapter_item_c *p_item );
 953 };
 954
 955 class chapter_edition_c : public chapter_item_c
 956 {
 957 public:
 958     chapter_edition_c()
 959     :b_ordered(false)
 960     {}
 961
 962     void RefreshChapters( );
 963     mtime_t Duration() const;
 964     std::string GetMainName() const;
 965
 966     bool                        b_ordered;
 967 };
 968
 969 class matroska_segment_c
 970 {
 971 public:
 972     matroska_segment_c( demux_sys_t & demuxer, EbmlStream & estream )
 973         :segment(NULL)
 974         ,es(estream)
 975         ,i_timescale(MKVD_TIMECODESCALE)
 976         ,i_duration(-1)
 977         ,i_start_time(0)
 978         ,i_cues_position(-1)
 979         ,i_chapters_position(-1)
 980         ,i_tags_position(-1)
 981         ,cluster(NULL)
 982         ,i_start_pos(0)
 983         ,p_segment_uid(NULL)
 984         ,p_prev_segment_uid(NULL)
 985         ,p_next_segment_uid(NULL)
 986         ,b_cues(VLC_FALSE)
 987         ,i_index(0)
 988         ,i_index_max(1024)
 989         ,psz_muxing_application(NULL)
 990         ,psz_writing_application(NULL)
 991         ,psz_segment_filename(NULL)
 992         ,psz_title(NULL)
 993         ,psz_date_utc(NULL)
 994         ,i_default_edition(0)
 995         ,sys(demuxer)
 996         ,ep(NULL)
 997         ,b_preloaded(false)
 998     {
 999         p_indexes = (mkv_index_t*)malloc( sizeof( mkv_index_t ) * i_index_max );
1000     }
1001
1002     virtual ~matroska_segment_c()
1003     {
1004         for( size_t i_track = 0; i_track < tracks.size(); i_track++ )
1005         {
1006             if( tracks[i_track]->fmt.psz_description )
1007             {
1008                 free( tracks[i_track]->fmt.psz_description );
1009             }
1010 /*            if( tracks[i_track]->psz_codec )
1011             {
1012                 free( tracks[i_track]->psz_codec );
1013             }
1014             if( tracks[i_track]->fmt.psz_language )
1015             {
1016                 free( tracks[i_track]->fmt.psz_language );
1017             }*/
1018             delete tracks[i_track];
1019         }
1020
1021         if( psz_writing_application )
1022         {
1023             free( psz_writing_application );
1024         }
1025         if( psz_muxing_application )
1026         {
1027             free( psz_muxing_application );
1028         }
1029         if( psz_segment_filename )
1030         {
1031             free( psz_segment_filename );
1032         }
1033         if( psz_title )
1034         {
1035             free( psz_title );
1036         }
1037         if( psz_date_utc )
1038         {
1039             free( psz_date_utc );
1040         }
1041         if ( p_indexes )
1042             free( p_indexes );
1043
1044         delete ep;
1045         delete p_segment_uid;
1046         delete p_prev_segment_uid;
1047         delete p_next_segment_uid;
1048
1049         std::vector<chapter_edition_c*>::iterator index = stored_editions.begin();
1050         while ( index != stored_editions.end() )
1051         {
1052             delete (*index);
1053             index++;
1054         }
1055         std::vector<chapter_translation_c*>::iterator indext = translations.begin();
1056         while ( indext != translations.end() )
1057         {
1058             delete (*indext);
1059             indext++;
1060         }
1061     }
1062
1063     KaxSegment              *segment;
1064     EbmlStream              & es;
1065
1066     /* time scale */
1067     uint64_t                i_timescale;
1068
1069     /* duration of the segment */
1070     mtime_t                 i_duration;
1071     mtime_t                 i_start_time;
1072
1073     /* all tracks */
1074     std::vector<mkv_track_t*> tracks;
1075
1076     /* from seekhead */
1077     int64_t                 i_cues_position;
1078     int64_t                 i_chapters_position;
1079     int64_t                 i_tags_position;
1080
1081     KaxCluster              *cluster;
1082     int64_t                 i_start_pos;
1083     KaxSegmentUID           *p_segment_uid;
1084     KaxPrevUID              *p_prev_segment_uid;
1085     KaxNextUID              *p_next_segment_uid;
1086
1087     vlc_bool_t              b_cues;
1088     int                     i_index;
1089     int                     i_index_max;
1090     mkv_index_t             *p_indexes;
1091
1092     /* info */
1093     char                    *psz_muxing_application;
1094     char                    *psz_writing_application;
1095     char                    *psz_segment_filename;
1096     char                    *psz_title;
1097     char                    *psz_date_utc;
1098
1099     /* !!!!! GCC 3.3 bug on Darwin !!!!! */
1100     /* when you remove this variable the compiler issues an atomicity error */
1101     /* this variable only works when using std::vector<chapter_edition_c> */
1102     std::vector<chapter_edition_c*> stored_editions;
1103     int                             i_default_edition;
1104
1105     std::vector<chapter_translation_c*> translations;
1106     std::vector<KaxSegmentFamily>  families;
1107
1108     demux_sys_t                    & sys;
1109     EbmlParser                     *ep;
1110     bool                           b_preloaded;
1111
1112     bool Preload( );
1113     bool PreloadFamily( const matroska_segment_c & segment );
1114     void ParseInfo( KaxInfo *info );
1115     void ParseChapters( KaxChapters *chapters );
1116     void ParseSeekHead( KaxSeekHead *seekhead );
1117     void ParseTracks( KaxTracks *tracks );
1118     void ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters );
1119     void ParseTrackEntry( KaxTrackEntry *m );
1120     void ParseCluster( );
1121     void IndexAppendCluster( KaxCluster *cluster );
1122     void LoadCues( );
1123     void LoadTags( );
1124     void InformationCreate( );
1125     void Seek( mtime_t i_date, mtime_t i_time_offset );
1126     int BlockGet( KaxBlock **pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration );
1127     bool Select( mtime_t i_start_time );
1128     void UnSelect( );
1129
1130     static bool CompareSegmentUIDs( const matroska_segment_c * item_a, const matroska_segment_c * item_b );
1131 };
1132
1133 // class holding hard-linked segment together in the playback order
1134 class virtual_segment_c
1135 {
1136 public:
1137     virtual_segment_c( matroska_segment_c *p_segment )
1138         :p_editions(NULL)
1139         ,i_sys_title(0)
1140         ,i_current_segment(0)
1141         ,i_current_edition(-1)
1142         ,psz_current_chapter(NULL)
1143     {
1144         linked_segments.push_back( p_segment );
1145
1146         AppendUID( p_segment->p_segment_uid );
1147         AppendUID( p_segment->p_prev_segment_uid );
1148         AppendUID( p_segment->p_next_segment_uid );
1149     }
1150
1151     void Sort();
1152     size_t AddSegment( matroska_segment_c *p_segment );
1153     void PreloadLinked( );
1154     mtime_t Duration( ) const;
1155     void LoadCues( );
1156     void Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter );
1157
1158     inline chapter_edition_c *Edition()
1159     {
1160         if ( i_current_edition >= 0 && size_t(i_current_edition) < p_editions->size() )
1161             return (*p_editions)[i_current_edition];
1162         return NULL;
1163     }
1164
1165     matroska_segment_c * Segment() const
1166     {
1167         if ( linked_segments.size() == 0 || i_current_segment >= linked_segments.size() )
1168             return NULL;
1169         return linked_segments[i_current_segment];
1170     }
1171
1172     inline chapter_item_c *CurrentChapter() {
1173         return psz_current_chapter;
1174     }
1175
1176     bool SelectNext()
1177     {
1178         if ( i_current_segment < linked_segments.size()-1 )
1179         {
1180             i_current_segment++;
1181             return true;
1182         }
1183         return false;
1184     }
1185
1186     bool FindUID( KaxSegmentUID & uid ) const
1187     {
1188         for ( size_t i=0; i<linked_uids.size(); i++ )
1189         {
1190             if ( linked_uids[i] == uid )
1191                 return true;
1192         }
1193         return false;
1194     }
1195
1196     bool UpdateCurrentToChapter( demux_t & demux );
1197     void PrepareChapters( );
1198
1199     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
1200                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
1201                                         const void *p_cookie,
1202                                         size_t i_cookie_size );
1203     chapter_item_c *FindChapter( int64_t i_find_uid );
1204
1205     std::vector<chapter_edition_c*>  *p_editions;
1206     int                              i_sys_title;
1207
1208 protected:
1209     std::vector<matroska_segment_c*> linked_segments;
1210     std::vector<KaxSegmentUID>       linked_uids;
1211     size_t                           i_current_segment;
1212
1213     int                              i_current_edition;
1214     chapter_item_c                   *psz_current_chapter;
1215
1216     void                             AppendUID( const EbmlBinary * UID );
1217 };
1218
1219 class matroska_stream_c
1220 {
1221 public:
1222     matroska_stream_c( demux_sys_t & demuxer )
1223         :p_in(NULL)
1224         ,p_es(NULL)
1225         ,sys(demuxer)
1226     {}
1227
1228     virtual ~matroska_stream_c()
1229     {
1230         delete p_in;
1231         delete p_es;
1232     }
1233
1234     IOCallback         *p_in;
1235     EbmlStream         *p_es;
1236
1237     std::vector<matroska_segment_c*> segments;
1238
1239     demux_sys_t                      & sys;
1240 };
1241
1242 typedef struct
1243 {
1244     VLC_COMMON_MEMBERS
1245
1246     demux_t        *p_demux;
1247     vlc_mutex_t     lock;
1248
1249     vlc_bool_t      b_moved;
1250     vlc_bool_t      b_clicked;
1251     vlc_bool_t      b_key;
1252
1253 } event_thread_t;
1254
1255 class demux_sys_t
1256 {
1257 public:
1258     demux_sys_t( demux_t & demux )
1259         :demuxer(demux)
1260         ,i_pts(0)
1261         ,i_start_pts(0)
1262         ,i_chapter_time(0)
1263         ,meta(NULL)
1264         ,i_current_title(0)
1265         ,p_current_segment(NULL)
1266         ,dvd_interpretor( *this )
1267         ,f_duration(-1.0)
1268         ,b_ui_hooked(false)
1269         ,p_input(NULL)
1270         ,b_pci_packet_set(false)
1271         ,p_ev(NULL)
1272     {
1273         vlc_mutex_init( &demuxer, &lock_demuxer );
1274     }
1275
1276     virtual ~demux_sys_t()
1277     {
1278         StopUiThread();
1279         size_t i;
1280         for ( i=0; i<streams.size(); i++ )
1281             delete streams[i];
1282         for ( i=0; i<opened_segments.size(); i++ )
1283             delete opened_segments[i];
1284         for ( i=0; i<used_segments.size(); i++ )
1285             delete used_segments[i];
1286         vlc_mutex_destroy( &lock_demuxer );
1287     }
1288
1289     /* current data */
1290     demux_t                 & demuxer;
1291
1292     mtime_t                 i_pts;
1293     mtime_t                 i_start_pts;
1294     mtime_t                 i_chapter_time;
1295
1296     vlc_meta_t              *meta;
1297
1298     std::vector<input_title_t*>      titles; // matroska editions
1299     size_t                           i_current_title;
1300
1301     std::vector<matroska_stream_c*>  streams;
1302     std::vector<matroska_segment_c*> opened_segments;
1303     std::vector<virtual_segment_c*>  used_segments;
1304     virtual_segment_c                *p_current_segment;
1305
1306     dvd_command_interpretor_c        dvd_interpretor;
1307
1308     /* duration of the stream */
1309     float                   f_duration;
1310
1311     matroska_segment_c *FindSegment( const EbmlBinary & uid ) const;
1312     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
1313                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
1314                                         const void *p_cookie,
1315                                         size_t i_cookie_size,
1316                                         virtual_segment_c * & p_segment_found );
1317     chapter_item_c *FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found );
1318
1319     void PreloadFamily( const matroska_segment_c & of_segment );
1320     void PreloadLinked( matroska_segment_c *p_segment );
1321     bool PreparePlayback( virtual_segment_c *p_new_segment );
1322     matroska_stream_c *AnalyseAllSegmentsFound( EbmlStream *p_estream );
1323     void JumpTo( virtual_segment_c & p_segment, chapter_item_c * p_chapter );
1324
1325     void StartUiThread();
1326     void StopUiThread();
1327     bool b_ui_hooked;
1328     inline void SwapButtons();
1329
1330     /* for spu variables */
1331     input_thread_t *p_input;
1332     pci_t          pci_packet;
1333     bool           b_pci_packet_set;
1334     uint8_t        alpha[4];
1335     vlc_mutex_t    lock_demuxer;
1336
1337     /* event */
1338     event_thread_t *p_ev;
1339     static int EventThread( vlc_object_t *p_this );
1340     static int EventMouse( vlc_object_t *p_this, char const *psz_var,
1341                        vlc_value_t oldval, vlc_value_t newval, void *p_data );
1342     static int EventKey( vlc_object_t *p_this, char const *psz_var,
1343                      vlc_value_t oldval, vlc_value_t newval, void *p_data );
1344
1345
1346
1347 protected:
1348     virtual_segment_c *VirtualFromSegments( matroska_segment_c *p_segment ) const;
1349     bool IsUsedSegment( matroska_segment_c &p_segment ) const;
1350 };
1351
1352 static int  Demux  ( demux_t * );
1353 static int  Control( demux_t *, int, va_list );
1354 static void Seek   ( demux_t *, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter );
1355
1356 #define MKV_IS_ID( el, C ) ( EbmlId( (*el) ) == C::ClassInfos.GlobalId )
1357
1358 static char *UTF8ToStr          ( const UTFstring &u );
1359
1360 /*****************************************************************************
1361  * Open: initializes matroska demux structures
1362  *****************************************************************************/
1363 static int Open( vlc_object_t * p_this )
1364 {
1365     demux_t            *p_demux = (demux_t*)p_this;
1366     demux_sys_t        *p_sys;
1367     matroska_stream_c  *p_stream;
1368     matroska_segment_c *p_segment;
1369     uint8_t            *p_peek;
1370     std::string        s_path, s_filename;
1371     vlc_stream_io_callback *p_io_callback;
1372     EbmlStream         *p_io_stream;
1373
1374     /* peek the begining */
1375     if( stream_Peek( p_demux->s, &p_peek, 4 ) < 4 ) return VLC_EGENERIC;
1376
1377     /* is a valid file */
1378     if( p_peek[0] != 0x1a || p_peek[1] != 0x45 ||
1379         p_peek[2] != 0xdf || p_peek[3] != 0xa3 ) return VLC_EGENERIC;
1380
1381     /* Set the demux function */
1382     p_demux->pf_demux   = Demux;
1383     p_demux->pf_control = Control;
1384     p_demux->p_sys      = p_sys = new demux_sys_t( *p_demux );
1385
1386     p_io_callback = new vlc_stream_io_callback( p_demux->s );
1387     p_io_stream = new EbmlStream( *p_io_callback );
1388
1389     if( p_io_stream == NULL )
1390     {
1391         msg_Err( p_demux, "failed to create EbmlStream" );
1392         delete p_io_callback;
1393         delete p_sys;
1394         return VLC_EGENERIC;
1395     }
1396
1397     p_stream = p_sys->AnalyseAllSegmentsFound( p_io_stream );
1398     if( p_stream == NULL )
1399     {
1400         msg_Err( p_demux, "cannot find KaxSegment" );
1401         goto error;
1402     }
1403     p_sys->streams.push_back( p_stream );
1404
1405     p_stream->p_in = p_io_callback;
1406     p_stream->p_es = p_io_stream;
1407
1408     for (size_t i=0; i<p_stream->segments.size(); i++)
1409     {
1410         p_stream->segments[i]->Preload();
1411     }
1412
1413     p_segment = p_stream->segments[0];
1414     if( p_segment->cluster != NULL )
1415     {
1416         msg_Warn( p_demux, "cannot find any cluster, damaged file ?" );
1417
1418         // reset the stream reading to the first cluster of the segment used
1419         p_stream->p_in->setFilePointer( p_segment->cluster->GetElementPosition() );
1420     }
1421
1422     /* get the files from the same dir from the same family (based on p_demux->psz_path) */
1423     if (p_demux->psz_path[0] != '\0' && !strcmp(p_demux->psz_access, ""))
1424     {
1425         // assume it's a regular file
1426         // get the directory path
1427         s_path = p_demux->psz_path;
1428         if (s_path.at(s_path.length() - 1) == DIRECTORY_SEPARATOR)
1429         {
1430             s_path = s_path.substr(0,s_path.length()-1);
1431         }
1432         else
1433         {
1434             if (s_path.find_last_of(DIRECTORY_SEPARATOR) > 0)
1435             {
1436                 s_path = s_path.substr(0,s_path.find_last_of(DIRECTORY_SEPARATOR));
1437             }
1438         }
1439
1440         struct dirent *p_file_item;
1441         DIR *p_src_dir = opendir(s_path.c_str());
1442
1443         if (p_src_dir != NULL)
1444         {
1445             while ((p_file_item = (dirent *) readdir(p_src_dir)))
1446             {
1447                 if (strlen(p_file_item->d_name) > 4)
1448                 {
1449                     s_filename = s_path + DIRECTORY_SEPARATOR + p_file_item->d_name;
1450
1451                     if (!s_filename.compare(p_demux->psz_path))
1452                         continue; // don't reuse the original opened file
1453
1454 #if defined(__GNUC__) && (__GNUC__ < 3)
1455                     if (!s_filename.compare("mkv", s_filename.length() - 3, 3) ||
1456                         !s_filename.compare("mka", s_filename.length() - 3, 3))
1457 #else
1458                     if (!s_filename.compare(s_filename.length() - 3, 3, "mkv") ||
1459                         !s_filename.compare(s_filename.length() - 3, 3, "mka"))
1460 #endif
1461                     {
1462                         // test wether this file belongs to the our family
1463                         StdIOCallback *p_file_io = new StdIOCallback(s_filename.c_str(), MODE_READ);
1464                         EbmlStream *p_estream = new EbmlStream(*p_file_io);
1465
1466                         p_stream = p_sys->AnalyseAllSegmentsFound( p_estream );
1467                         if ( p_stream == NULL )
1468                         {
1469                             msg_Dbg( p_demux, "the file '%s' will not be used", s_filename.c_str() );
1470                             delete p_estream;
1471                             delete p_file_io;
1472                         }
1473                         else
1474                         {
1475                             p_stream->p_in = p_file_io;
1476                             p_stream->p_es = p_estream;
1477                             p_sys->streams.push_back( p_stream );
1478                         }
1479                     }
1480                 }
1481             }
1482             closedir( p_src_dir );
1483         }
1484     }
1485
1486     p_sys->PreloadFamily( *p_segment );
1487     p_sys->PreloadLinked( p_segment );
1488     if ( !p_sys->PreparePlayback( NULL ) )
1489     {
1490         msg_Err( p_demux, "cannot use the segment" );
1491         goto error;
1492     }
1493
1494     p_sys->StartUiThread();
1495
1496     return VLC_SUCCESS;
1497
1498 error:
1499     delete p_sys;
1500     return VLC_EGENERIC;
1501 }
1502
1503 /*****************************************************************************
1504  * Close: frees unused data
1505  *****************************************************************************/
1506 static void Close( vlc_object_t *p_this )
1507 {
1508     demux_t     *p_demux = (demux_t*)p_this;
1509     demux_sys_t *p_sys   = p_demux->p_sys;
1510
1511     delete p_sys;
1512 }
1513
1514 /*****************************************************************************
1515  * Control:
1516  *****************************************************************************/
1517 static int Control( demux_t *p_demux, int i_query, va_list args )
1518 {
1519     demux_sys_t        *p_sys = p_demux->p_sys;
1520     int64_t     *pi64;
1521     double      *pf, f;
1522     int         i_skp;
1523     size_t      i_idx;
1524
1525     vlc_meta_t **pp_meta;
1526
1527     switch( i_query )
1528     {
1529         case DEMUX_GET_META:
1530             pp_meta = (vlc_meta_t**)va_arg( args, vlc_meta_t** );
1531             *pp_meta = vlc_meta_Duplicate( p_sys->meta );
1532             return VLC_SUCCESS;
1533
1534         case DEMUX_GET_LENGTH:
1535             pi64 = (int64_t*)va_arg( args, int64_t * );
1536             if( p_sys->f_duration > 0.0 )
1537             {
1538                 *pi64 = (int64_t)(p_sys->f_duration * 1000);
1539                 return VLC_SUCCESS;
1540             }
1541             return VLC_EGENERIC;
1542
1543         case DEMUX_GET_POSITION:
1544             pf = (double*)va_arg( args, double * );
1545             if ( p_sys->f_duration > 0.0 )
1546                 *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);
1547             return VLC_SUCCESS;
1548
1549         case DEMUX_SET_POSITION:
1550             f = (double)va_arg( args, double );
1551             Seek( p_demux, -1, f, NULL );
1552             return VLC_SUCCESS;
1553
1554         case DEMUX_GET_TIME:
1555             pi64 = (int64_t*)va_arg( args, int64_t * );
1556             *pi64 = p_sys->i_pts;
1557             return VLC_SUCCESS;
1558
1559         case DEMUX_GET_TITLE_INFO:
1560             if( p_sys->titles.size() )
1561             {
1562                 input_title_t ***ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
1563                 int *pi_int    = (int*)va_arg( args, int* );
1564
1565                 *pi_int = p_sys->titles.size();
1566                 *ppp_title = (input_title_t**)malloc( sizeof( input_title_t**) * p_sys->titles.size() );
1567
1568                 for( size_t i = 0; i < p_sys->titles.size(); i++ )
1569                 {
1570                     (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->titles[i] );
1571                 }
1572
1573                 return VLC_SUCCESS;
1574             }
1575             return VLC_EGENERIC;
1576
1577         case DEMUX_SET_TITLE:
1578             /* TODO handle editions as titles */
1579             i_idx = (int)va_arg( args, int );
1580             if( i_idx < p_sys->used_segments.size() )
1581             {
1582                 p_sys->JumpTo( *p_sys->used_segments[i_idx], NULL );
1583                 return VLC_SUCCESS;
1584             }
1585             return VLC_EGENERIC;
1586
1587         case DEMUX_SET_SEEKPOINT:
1588             i_skp = (int)va_arg( args, int );
1589
1590             // TODO change the way it works with the << & >> buttons on the UI (+1/-1 instead of a number)
1591             if( p_sys->titles.size() && i_skp < p_sys->titles[p_sys->i_current_title]->i_seekpoint)
1592             {
1593                 Seek( p_demux, (int64_t)p_sys->titles[p_sys->i_current_title]->seekpoint[i_skp]->i_time_offset, -1, NULL);
1594                 p_demux->info.i_seekpoint |= INPUT_UPDATE_SEEKPOINT;
1595                 p_demux->info.i_seekpoint = i_skp;
1596                 return VLC_SUCCESS;
1597             }
1598             return VLC_EGENERIC;
1599
1600         case DEMUX_SET_TIME:
1601         case DEMUX_GET_FPS:
1602         default:
1603             return VLC_EGENERIC;
1604     }
1605 }
1606
1607 int matroska_segment_c::BlockGet( KaxBlock **pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration )
1608 {
1609     *pp_block = NULL;
1610     *pi_ref1  = -1;
1611     *pi_ref2  = -1;
1612
1613     for( ;; )
1614     {
1615         EbmlElement *el;
1616         int         i_level;
1617
1618         if ( ep == NULL )
1619             return VLC_EGENERIC;
1620
1621         el = ep->Get();
1622         i_level = ep->GetLevel();
1623
1624         if( el == NULL && *pp_block != NULL )
1625         {
1626             /* update the index */
1627 #define idx p_indexes[i_index - 1]
1628             if( i_index > 0 && idx.i_time == -1 )
1629             {
1630                 idx.i_time        = (*pp_block)->GlobalTimecode() / (mtime_t)1000;
1631                 idx.b_key         = *pi_ref1 == -1 ? VLC_TRUE : VLC_FALSE;
1632             }
1633 #undef idx
1634             return VLC_SUCCESS;
1635         }
1636
1637         if( el == NULL )
1638         {
1639             if( ep->GetLevel() > 1 )
1640             {
1641                 ep->Up();
1642                 continue;
1643             }
1644             msg_Warn( &sys.demuxer, "EOF" );
1645             return VLC_EGENERIC;
1646         }
1647
1648         /* do parsing */
1649         switch ( i_level )
1650         {
1651         case 1:
1652             if( MKV_IS_ID( el, KaxCluster ) )
1653             {
1654                 cluster = (KaxCluster*)el;
1655
1656                 /* add it to the index */
1657                 if( i_index == 0 ||
1658                     ( i_index > 0 && p_indexes[i_index - 1].i_position < (int64_t)cluster->GetElementPosition() ) )
1659                 {
1660                     IndexAppendCluster( cluster );
1661                 }
1662
1663                 // reset silent tracks
1664                 for (size_t i=0; i<tracks.size(); i++)
1665                 {
1666                     tracks[i]->b_silent = VLC_FALSE;
1667                 }
1668
1669                 ep->Down();
1670             }
1671             else if( MKV_IS_ID( el, KaxCues ) )
1672             {
1673                 msg_Warn( &sys.demuxer, "find KaxCues FIXME" );
1674                 return VLC_EGENERIC;
1675             }
1676             else
1677             {
1678                 msg_Dbg( &sys.demuxer, "unknown (%s)", typeid( el ).name() );
1679             }
1680             break;
1681         case 2:
1682             if( MKV_IS_ID( el, KaxClusterTimecode ) )
1683             {
1684                 KaxClusterTimecode &ctc = *(KaxClusterTimecode*)el;
1685
1686                 ctc.ReadData( es.I_O(), SCOPE_ALL_DATA );
1687                 cluster->InitTimecode( uint64( ctc ), i_timescale );
1688             }
1689             else if( MKV_IS_ID( el, KaxClusterSilentTracks ) )
1690             {
1691                 ep->Down();
1692             }
1693             else if( MKV_IS_ID( el, KaxBlockGroup ) )
1694             {
1695                 ep->Down();
1696             }
1697             break;
1698         case 3:
1699             if( MKV_IS_ID( el, KaxBlock ) )
1700             {
1701                 *pp_block = (KaxBlock*)el;
1702
1703                 (*pp_block)->ReadData( es.I_O() );
1704                 (*pp_block)->SetParent( *cluster );
1705
1706                 ep->Keep();
1707             }
1708             else if( MKV_IS_ID( el, KaxBlockDuration ) )
1709             {
1710                 KaxBlockDuration &dur = *(KaxBlockDuration*)el;
1711
1712                 dur.ReadData( es.I_O() );
1713                 *pi_duration = uint64( dur );
1714             }
1715             else if( MKV_IS_ID( el, KaxReferenceBlock ) )
1716             {
1717                 KaxReferenceBlock &ref = *(KaxReferenceBlock*)el;
1718
1719                 ref.ReadData( es.I_O() );
1720                 if( *pi_ref1 == -1 )
1721                 {
1722                     *pi_ref1 = int64( ref );
1723                 }
1724                 else
1725                 {
1726                     *pi_ref2 = int64( ref );
1727                 }
1728             }
1729             else if( MKV_IS_ID( el, KaxClusterSilentTrackNumber ) )
1730             {
1731                 KaxClusterSilentTrackNumber &track_num = *(KaxClusterSilentTrackNumber*)el;
1732                 track_num.ReadData( es.I_O() );
1733                 // find the track
1734                 for (size_t i=0; i<tracks.size(); i++)
1735                 {
1736                     if ( tracks[i]->i_number == uint32(track_num))
1737                     {
1738                         tracks[i]->b_silent = VLC_TRUE;
1739                         break;
1740                     }
1741                 }
1742             }
1743             break;
1744         default:
1745             msg_Err( &sys.demuxer, "invalid level = %d", i_level );
1746             return VLC_EGENERIC;
1747         }
1748     }
1749 }
1750
1751 static block_t *MemToBlock( demux_t *p_demux, uint8_t *p_mem, int i_mem)
1752 {
1753     block_t *p_block;
1754     if( !(p_block = block_New( p_demux, i_mem ) ) ) return NULL;
1755     memcpy( p_block->p_buffer, p_mem, i_mem );
1756     //p_block->i_rate = p_input->stream.control.i_rate;
1757     return p_block;
1758 }
1759
1760 static void BlockDecode( demux_t *p_demux, KaxBlock *block, mtime_t i_pts,
1761                          mtime_t i_duration )
1762 {
1763     demux_sys_t        *p_sys = p_demux->p_sys;
1764     matroska_segment_c *p_segment = p_sys->p_current_segment->Segment();
1765
1766     size_t          i_track;
1767     unsigned int    i;
1768     vlc_bool_t      b;
1769
1770 #define tk  p_segment->tracks[i_track]
1771     for( i_track = 0; i_track < p_segment->tracks.size(); i_track++ )
1772     {
1773         if( tk->i_number == block->TrackNum() )
1774         {
1775             break;
1776         }
1777     }
1778
1779     if( i_track >= p_segment->tracks.size() )
1780     {
1781         msg_Err( p_demux, "invalid track number=%d", block->TrackNum() );
1782         return;
1783     }
1784     if( tk->fmt.i_cat != NAV_ES && tk->p_es == NULL )
1785     {
1786         msg_Err( p_demux, "unknown track number=%d", block->TrackNum() );
1787         return;
1788     }
1789     if( i_pts < p_sys->i_start_pts && tk->fmt.i_cat == AUDIO_ES )
1790     {
1791         return; /* discard audio packets that shouldn't be rendered */
1792     }
1793
1794     if ( tk->fmt.i_cat != NAV_ES )
1795     {
1796         es_out_Control( p_demux->out, ES_OUT_GET_ES_STATE, tk->p_es, &b );
1797
1798         if( !b )
1799         {
1800             tk->b_inited = VLC_FALSE;
1801             return;
1802         }
1803     }
1804
1805
1806     /* First send init data */
1807     if( !tk->b_inited && tk->i_data_init > 0 )
1808     {
1809         block_t *p_init;
1810
1811         msg_Dbg( p_demux, "sending header (%d bytes)", tk->i_data_init );
1812         p_init = MemToBlock( p_demux, tk->p_data_init, tk->i_data_init );
1813         if( p_init ) es_out_Send( p_demux->out, tk->p_es, p_init );
1814     }
1815     tk->b_inited = VLC_TRUE;
1816
1817
1818     for( i = 0; i < block->NumberFrames(); i++ )
1819     {
1820         block_t *p_block;
1821         DataBuffer &data = block->GetBuffer(i);
1822
1823         p_block = MemToBlock( p_demux, data.Buffer(), data.Size() );
1824
1825         if( p_block == NULL )
1826         {
1827             break;
1828         }
1829
1830 #if defined(HAVE_ZLIB_H)
1831         if( tk->i_compression_type )
1832         {
1833             p_block = block_zlib_decompress( VLC_OBJECT(p_demux), p_block );
1834         }
1835 #endif
1836
1837         if ( tk->fmt.i_cat == NAV_ES )
1838         {
1839             // TODO handle the start/stop times of this packet
1840             if ( p_sys->b_ui_hooked )
1841             {
1842                 vlc_mutex_lock( &p_sys->p_ev->lock );
1843                 memcpy( &p_sys->pci_packet, &p_block->p_buffer[1], sizeof(pci_t) );
1844                 p_sys->SwapButtons();
1845                 p_sys->b_pci_packet_set = true;
1846                 vlc_mutex_unlock( &p_sys->p_ev->lock );
1847                 block_Release( p_block );
1848             }
1849             return;
1850         }
1851         // TODO implement correct timestamping when B frames are used
1852         if( tk->fmt.i_cat != VIDEO_ES )
1853         {
1854             p_block->i_dts = p_block->i_pts = i_pts;
1855         }
1856         else
1857         {
1858             p_block->i_dts = i_pts;
1859             p_block->i_pts = 0;
1860         }
1861
1862         if ( strcmp( tk->psz_codec, "S_VOBSUB" ) )
1863         {
1864             p_block->i_length = i_duration * 1000;
1865         }
1866
1867         es_out_Send( p_demux->out, tk->p_es, p_block );
1868
1869         /* use time stamp only for first block */
1870         i_pts = 0;
1871     }
1872
1873 #undef tk
1874 }
1875
1876 matroska_stream_c *demux_sys_t::AnalyseAllSegmentsFound( EbmlStream *p_estream )
1877 {
1878     int i_upper_lvl = 0;
1879     size_t i;
1880     EbmlElement *p_l0, *p_l1, *p_l2;
1881     bool b_keep_stream = false, b_keep_segment;
1882
1883     // verify the EBML Header
1884     p_l0 = p_estream->FindNextID(EbmlHead::ClassInfos, 0xFFFFFFFFL);
1885     if (p_l0 == NULL)
1886     {
1887         return NULL;
1888     }
1889     p_l0->SkipData(*p_estream, EbmlHead_Context);
1890     delete p_l0;
1891
1892     // find all segments in this file
1893     p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFL);
1894     if (p_l0 == NULL)
1895     {
1896         return NULL;
1897     }
1898
1899     matroska_stream_c *p_stream1 = new matroska_stream_c( *this );
1900
1901     while (p_l0 != 0)
1902     {
1903         if (EbmlId(*p_l0) == KaxSegment::ClassInfos.GlobalId)
1904         {
1905             EbmlParser  *ep;
1906             matroska_segment_c *p_segment1 = new matroska_segment_c( *this, *p_estream );
1907             b_keep_segment = false;
1908
1909             ep = new EbmlParser(p_estream, p_l0, &demuxer );
1910             p_segment1->ep = ep;
1911             p_segment1->segment = (KaxSegment*)p_l0;
1912
1913             while ((p_l1 = ep->Get()))
1914             {
1915                 if (MKV_IS_ID(p_l1, KaxInfo))
1916                 {
1917                     // find the families of this segment
1918                     KaxInfo *p_info = static_cast<KaxInfo*>(p_l1);
1919
1920                     p_info->Read(*p_estream, KaxInfo::ClassInfos.Context, i_upper_lvl, p_l2, true);
1921                     for( i = 0; i < p_info->ListSize(); i++ )
1922                     {
1923                         EbmlElement *l = (*p_info)[i];
1924
1925                         if( MKV_IS_ID( l, KaxSegmentUID ) )
1926                         {
1927                             KaxSegmentUID *p_uid = static_cast<KaxSegmentUID*>(l);
1928                             b_keep_segment = (FindSegment( *p_uid ) == NULL);
1929                             if ( !b_keep_segment )
1930                                 break; // this segment is already known
1931                             opened_segments.push_back( p_segment1 );
1932                             delete p_segment1->p_segment_uid;
1933                             p_segment1->p_segment_uid = new KaxSegmentUID(*p_uid);
1934                         }
1935                         else if( MKV_IS_ID( l, KaxPrevUID ) )
1936                         {
1937                             p_segment1->p_prev_segment_uid = new KaxPrevUID( *static_cast<KaxPrevUID*>(l) );
1938                         }
1939                         else if( MKV_IS_ID( l, KaxNextUID ) )
1940                         {
1941                             p_segment1->p_next_segment_uid = new KaxNextUID( *static_cast<KaxNextUID*>(l) );
1942                         }
1943                         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
1944                         {
1945                             KaxSegmentFamily *p_fam = new KaxSegmentFamily( *static_cast<KaxSegmentFamily*>(l) );
1946                             p_segment1->families.push_back( *p_fam );
1947                         }
1948                     }
1949                     break;
1950                 }
1951             }
1952             if ( b_keep_segment )
1953             {
1954                 b_keep_stream = true;
1955                 p_stream1->segments.push_back( p_segment1 );
1956             }
1957             else
1958                 delete p_segment1;
1959         }
1960
1961         p_l0->SkipData(*p_estream, EbmlHead_Context);
1962         p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFL);
1963     }
1964
1965     if ( !b_keep_stream )
1966     {
1967         delete p_stream1;
1968         p_stream1 = NULL;
1969     }
1970
1971     return p_stream1;
1972 }
1973
1974 bool matroska_segment_c::Select( mtime_t i_start_time )
1975 {
1976     size_t i_track;
1977
1978     /* add all es */
1979     msg_Dbg( &sys.demuxer, "found %d es", tracks.size() );
1980     sys.b_pci_packet_set = false;
1981
1982     for( i_track = 0; i_track < tracks.size(); i_track++ )
1983     {
1984         if( tracks[i_track]->fmt.i_cat == UNKNOWN_ES )
1985         {
1986             msg_Warn( &sys.demuxer, "invalid track[%d, n=%d]", i_track, tracks[i_track]->i_number );
1987             tracks[i_track]->p_es = NULL;
1988             continue;
1989         }
1990
1991         if( !strcmp( tracks[i_track]->psz_codec, "V_MS/VFW/FOURCC" ) )
1992         {
1993             if( tracks[i_track]->i_extra_data < (int)sizeof( BITMAPINFOHEADER ) )
1994             {
1995                 msg_Err( &sys.demuxer, "missing/invalid BITMAPINFOHEADER" );
1996                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
1997             }
1998             else
1999             {
2000                 BITMAPINFOHEADER *p_bih = (BITMAPINFOHEADER*)tracks[i_track]->p_extra_data;
2001
2002                 tracks[i_track]->fmt.video.i_width = GetDWLE( &p_bih->biWidth );
2003                 tracks[i_track]->fmt.video.i_height= GetDWLE( &p_bih->biHeight );
2004                 tracks[i_track]->fmt.i_codec       = GetFOURCC( &p_bih->biCompression );
2005
2006                 tracks[i_track]->fmt.i_extra       = GetDWLE( &p_bih->biSize ) - sizeof( BITMAPINFOHEADER );
2007                 if( tracks[i_track]->fmt.i_extra > 0 )
2008                 {
2009                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2010                     memcpy( tracks[i_track]->fmt.p_extra, &p_bih[1], tracks[i_track]->fmt.i_extra );
2011                 }
2012             }
2013         }
2014         else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG1" ) ||
2015                  !strcmp( tracks[i_track]->psz_codec, "V_MPEG2" ) )
2016         {
2017             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'v' );
2018         }
2019         else if( !strncmp( tracks[i_track]->psz_codec, "V_MPEG4", 7 ) )
2020         {
2021             if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/MS/V3" ) )
2022             {
2023                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'D', 'I', 'V', '3' );
2024             }
2025             else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/ISO/AVC" ) )
2026             {
2027                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'v', 'c', '1' );
2028                 tracks[i_track]->fmt.b_packetized = VLC_FALSE;
2029                 tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2030                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2031                 memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2032             }
2033             else
2034             {
2035                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' );
2036             }
2037         }
2038         else if( !strcmp( tracks[i_track]->psz_codec, "V_QUICKTIME" ) )
2039         {
2040             MP4_Box_t *p_box = (MP4_Box_t*)malloc( sizeof( MP4_Box_t ) );
2041             stream_t *p_mp4_stream = stream_MemoryNew( VLC_OBJECT(&sys.demuxer),
2042                                                        tracks[i_track]->p_extra_data,
2043                                                        tracks[i_track]->i_extra_data,
2044                                                        VLC_FALSE );
2045             MP4_ReadBoxCommon( p_mp4_stream, p_box );
2046             MP4_ReadBox_sample_vide( p_mp4_stream, p_box );
2047             tracks[i_track]->fmt.i_codec = p_box->i_type;
2048             tracks[i_track]->fmt.video.i_width = p_box->data.p_sample_vide->i_width;
2049             tracks[i_track]->fmt.video.i_height = p_box->data.p_sample_vide->i_height;
2050             tracks[i_track]->fmt.i_extra = p_box->data.p_sample_vide->i_qt_image_description;
2051             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2052             memcpy( tracks[i_track]->fmt.p_extra, p_box->data.p_sample_vide->p_qt_image_description, tracks[i_track]->fmt.i_extra );
2053             MP4_FreeBox_sample_vide( p_box );
2054             stream_Delete( p_mp4_stream );
2055         }
2056         else if( !strcmp( tracks[i_track]->psz_codec, "A_MS/ACM" ) )
2057         {
2058             if( tracks[i_track]->i_extra_data < (int)sizeof( WAVEFORMATEX ) )
2059             {
2060                 msg_Err( &sys.demuxer, "missing/invalid WAVEFORMATEX" );
2061                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2062             }
2063             else
2064             {
2065                 WAVEFORMATEX *p_wf = (WAVEFORMATEX*)tracks[i_track]->p_extra_data;
2066
2067                 wf_tag_to_fourcc( GetWLE( &p_wf->wFormatTag ), &tracks[i_track]->fmt.i_codec, NULL );
2068
2069                 tracks[i_track]->fmt.audio.i_channels   = GetWLE( &p_wf->nChannels );
2070                 tracks[i_track]->fmt.audio.i_rate = GetDWLE( &p_wf->nSamplesPerSec );
2071                 tracks[i_track]->fmt.i_bitrate    = GetDWLE( &p_wf->nAvgBytesPerSec ) * 8;
2072                 tracks[i_track]->fmt.audio.i_blockalign = GetWLE( &p_wf->nBlockAlign );;
2073                 tracks[i_track]->fmt.audio.i_bitspersample = GetWLE( &p_wf->wBitsPerSample );
2074
2075                 tracks[i_track]->fmt.i_extra            = GetWLE( &p_wf->cbSize );
2076                 if( tracks[i_track]->fmt.i_extra > 0 )
2077                 {
2078                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2079                     memcpy( tracks[i_track]->fmt.p_extra, &p_wf[1], tracks[i_track]->fmt.i_extra );
2080                 }
2081             }
2082         }
2083         else if( !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L3" ) ||
2084                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L2" ) ||
2085                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L1" ) )
2086         {
2087             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' );
2088         }
2089         else if( !strcmp( tracks[i_track]->psz_codec, "A_AC3" ) )
2090         {
2091             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' );
2092         }
2093         else if( !strcmp( tracks[i_track]->psz_codec, "A_DTS" ) )
2094         {
2095             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'd', 't', 's', ' ' );
2096         }
2097         else if( !strcmp( tracks[i_track]->psz_codec, "A_FLAC" ) )
2098         {
2099             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'f', 'l', 'a', 'c' );
2100             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2101             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2102             memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2103         }
2104         else if( !strcmp( tracks[i_track]->psz_codec, "A_VORBIS" ) )
2105         {
2106             int i, i_offset = 1, i_size[3], i_extra;
2107             uint8_t *p_extra;
2108
2109             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'v', 'o', 'r', 'b' );
2110
2111             /* Split the 3 headers */
2112             if( tracks[i_track]->p_extra_data[0] != 0x02 )
2113                 msg_Err( &sys.demuxer, "invalid vorbis header" );
2114
2115             for( i = 0; i < 2; i++ )
2116             {
2117                 i_size[i] = 0;
2118                 while( i_offset < tracks[i_track]->i_extra_data )
2119                 {
2120                     i_size[i] += tracks[i_track]->p_extra_data[i_offset];
2121                     if( tracks[i_track]->p_extra_data[i_offset++] != 0xff ) break;
2122                 }
2123             }
2124
2125             i_size[0] = __MIN(i_size[0], tracks[i_track]->i_extra_data - i_offset);
2126             i_size[1] = __MIN(i_size[1], tracks[i_track]->i_extra_data -i_offset -i_size[0]);
2127             i_size[2] = tracks[i_track]->i_extra_data - i_offset - i_size[0] - i_size[1];
2128
2129             tracks[i_track]->fmt.i_extra = 3 * 2 + i_size[0] + i_size[1] + i_size[2];
2130             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2131             p_extra = (uint8_t *)tracks[i_track]->fmt.p_extra; i_extra = 0;
2132             for( i = 0; i < 3; i++ )
2133             {
2134                 *(p_extra++) = i_size[i] >> 8;
2135                 *(p_extra++) = i_size[i] & 0xFF;
2136                 memcpy( p_extra, tracks[i_track]->p_extra_data + i_offset + i_extra,
2137                         i_size[i] );
2138                 p_extra += i_size[i];
2139                 i_extra += i_size[i];
2140             }
2141         }
2142         else if( !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG2/", strlen( "A_AAC/MPEG2/" ) ) ||
2143                  !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG4/", strlen( "A_AAC/MPEG4/" ) ) )
2144         {
2145             int i_profile, i_srate;
2146             static unsigned int i_sample_rates[] =
2147             {
2148                     96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050,
2149                         16000, 12000, 11025, 8000,  7350,  0,     0,     0
2150             };
2151
2152             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
2153             /* create data for faad (MP4DecSpecificDescrTag)*/
2154
2155             if( !strcmp( &tracks[i_track]->psz_codec[12], "MAIN" ) )
2156             {
2157                 i_profile = 0;
2158             }
2159             else if( !strcmp( &tracks[i_track]->psz_codec[12], "LC" ) )
2160             {
2161                 i_profile = 1;
2162             }
2163             else if( !strcmp( &tracks[i_track]->psz_codec[12], "SSR" ) )
2164             {
2165                 i_profile = 2;
2166             }
2167             else
2168             {
2169                 i_profile = 3;
2170             }
2171
2172             for( i_srate = 0; i_srate < 13; i_srate++ )
2173             {
2174                 if( i_sample_rates[i_srate] == tracks[i_track]->fmt.audio.i_rate )
2175                 {
2176                     break;
2177                 }
2178             }
2179             msg_Dbg( &sys.demuxer, "profile=%d srate=%d", i_profile, i_srate );
2180
2181             tracks[i_track]->fmt.i_extra = 2;
2182             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2183             ((uint8_t*)tracks[i_track]->fmt.p_extra)[0] = ((i_profile + 1) << 3) | ((i_srate&0xe) >> 1);
2184             ((uint8_t*)tracks[i_track]->fmt.p_extra)[1] = ((i_srate & 0x1) << 7) | (tracks[i_track]->fmt.audio.i_channels << 3);
2185         }
2186         else if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) ||
2187                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/LIT" ) ||
2188                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/FLOAT/IEEE" ) )
2189         {
2190             if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) )
2191             {
2192                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
2193             }
2194             else
2195             {
2196                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
2197             }
2198             tracks[i_track]->fmt.audio.i_blockalign = ( tracks[i_track]->fmt.audio.i_bitspersample + 7 ) / 8 * tracks[i_track]->fmt.audio.i_channels;
2199         }
2200         else if( !strcmp( tracks[i_track]->psz_codec, "A_TTA1" ) )
2201         {
2202             /* FIXME: support this codec */
2203             msg_Err( &sys.demuxer, "TTA not supported yet[%d, n=%d]", i_track, tracks[i_track]->i_number );
2204             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2205         }
2206         else if( !strcmp( tracks[i_track]->psz_codec, "A_WAVPACK4" ) )
2207         {
2208             /* FIXME: support this codec */
2209             msg_Err( &sys.demuxer, "Wavpack not supported yet[%d, n=%d]", i_track, tracks[i_track]->i_number );
2210             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2211         }
2212         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/UTF8" ) )
2213         {
2214             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 'u', 'b', 't' );
2215             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2216         }
2217         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/SSA" ) ||
2218                  !strcmp( tracks[i_track]->psz_codec, "S_TEXT/ASS" ) ||
2219                  !strcmp( tracks[i_track]->psz_codec, "S_SSA" ) ||
2220                  !strcmp( tracks[i_track]->psz_codec, "S_ASS" ))
2221         {
2222             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 's', 'a', ' ' );
2223             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2224         }
2225         else if( !strcmp( tracks[i_track]->psz_codec, "S_VOBSUB" ) )
2226         {
2227             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's','p','u',' ' );
2228             if( tracks[i_track]->i_extra_data )
2229             {
2230                 char *p_start;
2231                 char *p_buf = (char *)malloc( tracks[i_track]->i_extra_data + 1);
2232                 memcpy( p_buf, tracks[i_track]->p_extra_data , tracks[i_track]->i_extra_data );
2233                 p_buf[tracks[i_track]->i_extra_data] = '\0';
2234
2235                 p_start = strstr( p_buf, "size:" );
2236                 if( sscanf( p_start, "size: %dx%d",
2237                         &tracks[i_track]->fmt.subs.spu.i_original_frame_width, &tracks[i_track]->fmt.subs.spu.i_original_frame_height ) == 2 )
2238                 {
2239                     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 );
2240                 }
2241                 else
2242                 {
2243                     msg_Warn( &sys.demuxer, "reading original frame size for vobsub failed" );
2244                 }
2245                 free( p_buf );
2246             }
2247         }
2248         else if( !strcmp( tracks[i_track]->psz_codec, "B_VOBBTN" ) )
2249         {
2250             tracks[i_track]->fmt.i_cat = NAV_ES;
2251             continue;
2252         }
2253         else
2254         {
2255             msg_Err( &sys.demuxer, "unknow codec id=`%s'", tracks[i_track]->psz_codec );
2256             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2257         }
2258         if( tracks[i_track]->b_default )
2259         {
2260             tracks[i_track]->fmt.i_priority = 1000;
2261         }
2262
2263         tracks[i_track]->p_es = es_out_Add( sys.demuxer.out, &tracks[i_track]->fmt );
2264
2265         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_start_time );
2266     }
2267
2268     sys.i_start_pts = i_start_time;
2269     // reset the stream reading to the first cluster of the segment used
2270     es.I_O().setFilePointer( i_start_pos );
2271
2272     delete ep;
2273     ep = new EbmlParser( &es, segment, &sys.demuxer );
2274
2275     return true;
2276 }
2277
2278 void demux_sys_t::StartUiThread()
2279 {
2280     if ( !b_ui_hooked )
2281     {
2282         msg_Dbg( &demuxer, "Starting the UI Hook" );
2283         b_ui_hooked = true;
2284         /* FIXME hack hack hack hack FIXME */
2285         /* Get p_input and create variable */
2286         p_input = (input_thread_t *) vlc_object_find( &demuxer, VLC_OBJECT_INPUT, FIND_PARENT );
2287         var_Create( p_input, "x-start", VLC_VAR_INTEGER );
2288         var_Create( p_input, "y-start", VLC_VAR_INTEGER );
2289         var_Create( p_input, "x-end", VLC_VAR_INTEGER );
2290         var_Create( p_input, "y-end", VLC_VAR_INTEGER );
2291         var_Create( p_input, "color", VLC_VAR_ADDRESS );
2292         var_Create( p_input, "menu-contrast", VLC_VAR_ADDRESS );
2293         var_Create( p_input, "highlight", VLC_VAR_BOOL );
2294         var_Create( p_input, "highlight-mutex", VLC_VAR_MUTEX );
2295
2296         /* Now create our event thread catcher */
2297         p_ev = (event_thread_t *) vlc_object_create( &demuxer, sizeof( event_thread_t ) );
2298         p_ev->p_demux = &demuxer;
2299         p_ev->b_die = VLC_FALSE;
2300         vlc_mutex_init( p_ev, &p_ev->lock );
2301         vlc_thread_create( p_ev, "mkv event thread handler", EventThread,
2302                         VLC_THREAD_PRIORITY_LOW, VLC_FALSE );
2303     }
2304 }
2305
2306 void demux_sys_t::StopUiThread()
2307 {
2308     if ( b_ui_hooked )
2309     {
2310         p_ev->b_die = VLC_TRUE;
2311
2312         vlc_thread_join( p_ev );
2313         vlc_object_destroy( p_ev );
2314
2315         p_ev = NULL;
2316
2317         var_Destroy( p_input, "highlight-mutex" );
2318         var_Destroy( p_input, "highlight" );
2319         var_Destroy( p_input, "x-start" );
2320         var_Destroy( p_input, "x-end" );
2321         var_Destroy( p_input, "y-start" );
2322         var_Destroy( p_input, "y-end" );
2323         var_Destroy( p_input, "color" );
2324         var_Destroy( p_input, "menu-contrast" );
2325
2326         msg_Dbg( &demuxer, "Stopping the UI Hook" );
2327     }
2328     b_ui_hooked = false;
2329 }
2330
2331 int demux_sys_t::EventMouse( vlc_object_t *p_this, char const *psz_var,
2332                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
2333 {
2334     event_thread_t *p_ev = (event_thread_t *) p_data;
2335     vlc_mutex_lock( &p_ev->lock );
2336     if( psz_var[6] == 'c' )
2337         p_ev->b_clicked = VLC_TRUE;
2338     else if( psz_var[6] == 'm' )
2339         p_ev->b_moved = VLC_TRUE;
2340     vlc_mutex_unlock( &p_ev->lock );
2341
2342     return VLC_SUCCESS;
2343 }
2344
2345 int demux_sys_t::EventKey( vlc_object_t *p_this, char const *psz_var,
2346                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
2347 {
2348     event_thread_t *p_ev = (event_thread_t *) p_data;
2349     vlc_mutex_lock( &p_ev->lock );
2350     p_ev->b_key = VLC_TRUE;
2351     vlc_mutex_unlock( &p_ev->lock );
2352
2353     return VLC_SUCCESS;
2354 }
2355
2356 int demux_sys_t::EventThread( vlc_object_t *p_this )
2357 {
2358     event_thread_t *p_ev = (event_thread_t*)p_this;
2359     demux_sys_t    *p_sys = p_ev->p_demux->p_sys;
2360     vlc_object_t   *p_vout = NULL;
2361
2362     p_ev->b_moved   = VLC_FALSE;
2363     p_ev->b_clicked = VLC_FALSE;
2364     p_ev->b_key     = VLC_FALSE;
2365
2366     /* catch all key event */
2367     var_AddCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2368
2369     /* main loop */
2370     while( !p_ev->b_die )
2371     {
2372         if ( !p_sys->b_pci_packet_set )
2373         {
2374             /* Wait 100ms */
2375             msleep( 100000 );
2376             continue;
2377         }
2378
2379         vlc_bool_t b_activated = VLC_FALSE;
2380
2381         /* KEY part */
2382         if( p_ev->b_key )
2383         {
2384             vlc_value_t valk;
2385             struct vlc_t::hotkey *p_hotkeys = p_ev->p_vlc->p_hotkeys;
2386             int i, i_action = -1;
2387
2388             vlc_mutex_lock( &p_ev->lock );
2389
2390             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2391
2392             var_Get( p_ev->p_vlc, "key-pressed", &valk );
2393             for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
2394             {
2395                 if( p_hotkeys[i].i_key == valk.i_int )
2396                 {
2397                     i_action = p_hotkeys[i].i_action;
2398                 }
2399             }
2400
2401             uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2402
2403             switch( i_action )
2404             {
2405             case ACTIONID_NAV_LEFT:
2406                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2407                 {
2408                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2409                     if ( p_button_ptr->left > 0 && p_button_ptr->left <= pci->hli.hl_gi.btn_ns )
2410                     {
2411                         i_curr_button = p_button_ptr->left;
2412                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2413                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2414                         if ( button_ptr.auto_action_mode )
2415                         {
2416                             vlc_mutex_unlock( &p_ev->lock );
2417                             vlc_mutex_lock( &p_sys->lock_demuxer );
2418
2419                             // process the button action
2420                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2421
2422                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2423                             vlc_mutex_lock( &p_ev->lock );
2424                         }
2425                     }
2426                 }
2427                 break;
2428             case ACTIONID_NAV_RIGHT:
2429                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2430                 {
2431                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2432                     if ( p_button_ptr->right > 0 && p_button_ptr->right <= pci->hli.hl_gi.btn_ns )
2433                     {
2434                         i_curr_button = p_button_ptr->right;
2435                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2436                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2437                         if ( button_ptr.auto_action_mode )
2438                         {
2439                             vlc_mutex_unlock( &p_ev->lock );
2440                             vlc_mutex_lock( &p_sys->lock_demuxer );
2441
2442                             // process the button action
2443                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2444
2445                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2446                             vlc_mutex_lock( &p_ev->lock );
2447                         }
2448                     }
2449                 }
2450                 break;
2451             case ACTIONID_NAV_UP:
2452                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2453                 {
2454                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2455                     if ( p_button_ptr->up > 0 && p_button_ptr->up <= pci->hli.hl_gi.btn_ns )
2456                     {
2457                         i_curr_button = p_button_ptr->up;
2458                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2459                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2460                         if ( button_ptr.auto_action_mode )
2461                         {
2462                             vlc_mutex_unlock( &p_ev->lock );
2463                             vlc_mutex_lock( &p_sys->lock_demuxer );
2464
2465                             // process the button action
2466                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2467
2468                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2469                             vlc_mutex_lock( &p_ev->lock );
2470                         }
2471                     }
2472                 }
2473                 break;
2474             case ACTIONID_NAV_DOWN:
2475                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2476                 {
2477                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2478                     if ( p_button_ptr->down > 0 && p_button_ptr->down <= pci->hli.hl_gi.btn_ns )
2479                     {
2480                         i_curr_button = p_button_ptr->down;
2481                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2482                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2483                         if ( button_ptr.auto_action_mode )
2484                         {
2485                             vlc_mutex_unlock( &p_ev->lock );
2486                             vlc_mutex_lock( &p_sys->lock_demuxer );
2487
2488                             // process the button action
2489                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2490
2491                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2492                             vlc_mutex_lock( &p_ev->lock );
2493                         }
2494                     }
2495                 }
2496                 break;
2497             case ACTIONID_NAV_ACTIVATE:
2498                 b_activated = VLC_TRUE;
2499
2500                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2501                 {
2502                     btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
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                 break;
2514             default:
2515                 break;
2516             }
2517             p_ev->b_key = VLC_FALSE;
2518             vlc_mutex_unlock( &p_ev->lock );
2519         }
2520
2521         /* MOUSE part */
2522         if( p_vout && ( p_ev->b_moved || p_ev->b_clicked ) )
2523         {
2524             vlc_value_t valx, valy;
2525
2526             vlc_mutex_lock( &p_ev->lock );
2527             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2528             var_Get( p_vout, "mouse-x", &valx );
2529             var_Get( p_vout, "mouse-y", &valy );
2530
2531             if( p_ev->b_clicked )
2532             {
2533                 int32_t button;
2534                 int32_t best,dist,d;
2535                 int32_t mx,my,dx,dy;
2536
2537                 b_activated = VLC_TRUE;
2538                 // get current button
2539                 best = 0;
2540                 dist = 0x08000000; /* >> than  (720*720)+(567*567); */
2541                 for(button = 1; button <= pci->hli.hl_gi.btn_ns; button++)
2542                 {
2543                     btni_t *button_ptr = &(pci->hli.btnit[button-1]);
2544
2545                     if((valx.i_int >= button_ptr->x_start) && (valx.i_int <= button_ptr->x_end) &&
2546                        (valy.i_int >= button_ptr->y_start) && (valy.i_int <= button_ptr->y_end))
2547                     {
2548                         mx = (button_ptr->x_start + button_ptr->x_end)/2;
2549                         my = (button_ptr->y_start + button_ptr->y_end)/2;
2550                         dx = mx - valx.i_int;
2551                         dy = my - valy.i_int;
2552                         d = (dx*dx) + (dy*dy);
2553                         /* If the mouse is within the button and the mouse is closer
2554                         * to the center of this button then it is the best choice. */
2555                         if(d < dist) {
2556                             dist = d;
2557                             best = button;
2558                         }
2559                     }
2560                 }
2561
2562                 if ( best != 0)
2563                 {
2564                     btni_t button_ptr = pci->hli.btnit[best-1];
2565                     uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2566
2567                     msg_Dbg( &p_sys->demuxer, "Clicked button %d", best );
2568                     vlc_mutex_unlock( &p_ev->lock );
2569                     vlc_mutex_lock( &p_sys->lock_demuxer );
2570
2571                     // process the button action
2572                     p_sys->dvd_interpretor.SetSPRM( 0x88, best );
2573                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2574
2575                     msg_Dbg( &p_sys->demuxer, "Processed button %d", best );
2576
2577                     // select new button
2578                     if ( best != i_curr_button )
2579                     {
2580                         vlc_value_t val;
2581
2582                         if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
2583                         {
2584                             vlc_mutex_t *p_mutex = (vlc_mutex_t *) val.p_address;
2585                             uint32_t i_palette;
2586
2587                             if(button_ptr.btn_coln != 0) {
2588                                 i_palette = pci->hli.btn_colit.btn_coli[button_ptr.btn_coln-1][1];
2589                             } else {
2590                                 i_palette = 0;
2591                             }
2592                             p_sys->alpha[0] = i_palette      & 0x0f;
2593                             p_sys->alpha[1] = (i_palette>>4) & 0x0f;
2594                             p_sys->alpha[2] = (i_palette>>8) & 0x0f;
2595                             p_sys->alpha[3] = (i_palette>>12)& 0x0f;
2596
2597                             vlc_mutex_lock( p_mutex );
2598                             val.i_int = button_ptr.x_start; var_Set( p_sys->p_input, "x-start", val );
2599                             val.i_int = button_ptr.x_end;   var_Set( p_sys->p_input, "x-end",   val );
2600                             val.i_int = button_ptr.y_start; var_Set( p_sys->p_input, "y-start", val );
2601                             val.i_int = button_ptr.y_end;   var_Set( p_sys->p_input, "y-end",   val );
2602
2603                             val.p_address = (void *)p_sys->alpha;
2604                             var_Set( p_sys->p_input, "menu-contrast", val );
2605
2606                             val.b_bool = VLC_TRUE; var_Set( p_sys->p_input, "highlight", val );
2607                             vlc_mutex_unlock( p_mutex );
2608                         }
2609                     }
2610                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2611                     vlc_mutex_lock( &p_ev->lock );
2612                 }
2613             }
2614             else if( p_ev->b_moved )
2615             {
2616 //                dvdnav_mouse_select( NULL, pci, valx.i_int, valy.i_int );
2617             }
2618
2619             p_ev->b_moved = VLC_FALSE;
2620             p_ev->b_clicked = VLC_FALSE;
2621             vlc_mutex_unlock( &p_ev->lock );
2622         }
2623
2624         /* VOUT part */
2625         if( p_vout && p_vout->b_die )
2626         {
2627             var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2628             var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2629             vlc_object_release( p_vout );
2630             p_vout = NULL;
2631         }
2632
2633         else if( p_vout == NULL )
2634         {
2635             p_vout = (vlc_object_t*) vlc_object_find( p_sys->p_input, VLC_OBJECT_VOUT,
2636                                       FIND_CHILD );
2637             if( p_vout)
2638             {
2639                 var_AddCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2640                 var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2641             }
2642         }
2643
2644         /* Wait a bit, 10ms */
2645         msleep( 10000 );
2646     }
2647
2648     /* Release callback */
2649     if( p_vout )
2650     {
2651         var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2652         var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2653         vlc_object_release( p_vout );
2654     }
2655     var_DelCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2656
2657     vlc_mutex_destroy( &p_ev->lock );
2658
2659     return VLC_SUCCESS;
2660 }
2661
2662 void matroska_segment_c::UnSelect( )
2663 {
2664     size_t i_track;
2665
2666     for( i_track = 0; i_track < tracks.size(); i_track++ )
2667     {
2668         if ( tracks[i_track]->p_es != NULL )
2669         {
2670 //            es_format_Clean( &tracks[i_track]->fmt );
2671             es_out_Del( sys.demuxer.out, tracks[i_track]->p_es );
2672             tracks[i_track]->p_es = NULL;
2673         }
2674     }
2675     delete ep;
2676     ep = NULL;
2677 }
2678
2679 void virtual_segment_c::PrepareChapters( )
2680 {
2681     if ( linked_segments.size() == 0 )
2682         return;
2683
2684     // !!! should be called only once !!!
2685     matroska_segment_c *p_segment;
2686     size_t i, j;
2687
2688     // copy editions from the first segment
2689     p_segment = linked_segments[0];
2690     p_editions = &p_segment->stored_editions;
2691
2692     for ( i=1 ; i<linked_segments.size(); i++ )
2693     {
2694         p_segment = linked_segments[i];
2695         // FIXME assume we have the same editions in all segments
2696         for (j=0; j<p_segment->stored_editions.size(); j++)
2697             (*p_editions)[j]->Append( *p_segment->stored_editions[j] );
2698     }
2699 }
2700
2701 std::string chapter_edition_c::GetMainName() const
2702 {
2703     if ( sub_chapters.size() )
2704     {
2705         return sub_chapters[0]->GetCodecName( true );
2706     }
2707     return "";
2708 }
2709
2710 int chapter_item_c::PublishChapters( input_title_t & title, int & i_user_chapters, int i_level )
2711 {
2712     // add support for meta-elements from codec like DVD Titles
2713     if ( !b_display_seekpoint || psz_name == "" )
2714     {
2715         psz_name = GetCodecName();
2716         if ( psz_name != "" )
2717             b_display_seekpoint = true;
2718     }
2719
2720     if (b_display_seekpoint)
2721     {
2722         seekpoint_t *sk = vlc_seekpoint_New();
2723
2724         sk->i_level = i_level;
2725         sk->i_time_offset = i_start_time;
2726         sk->psz_name = strdup( psz_name.c_str() );
2727
2728         // A start time of '0' is ok. A missing ChapterTime element is ok, too, because '0' is its default value.
2729         title.i_seekpoint++;
2730         title.seekpoint = (seekpoint_t**)realloc( title.seekpoint, title.i_seekpoint * sizeof( seekpoint_t* ) );
2731         title.seekpoint[title.i_seekpoint-1] = sk;
2732
2733         if ( b_user_display )
2734             i_user_chapters++;
2735     }
2736
2737     for ( size_t i=0; i<sub_chapters.size() ; i++)
2738     {
2739         sub_chapters[i]->PublishChapters( title, i_user_chapters, i_level+1 );
2740     }
2741
2742     i_seekpoint_num = i_user_chapters;
2743
2744     return i_user_chapters;
2745 }
2746
2747 bool virtual_segment_c::UpdateCurrentToChapter( demux_t & demux )
2748 {
2749     demux_sys_t & sys = *demux.p_sys;
2750     chapter_item_c *psz_curr_chapter;
2751
2752     /* update current chapter/seekpoint */
2753     if ( p_editions->size() )
2754     {
2755         /* 1st, we need to know in which chapter we are */
2756         psz_curr_chapter = (*p_editions)[i_current_edition]->FindTimecode( sys.i_pts );
2757
2758         /* we have moved to a new chapter */
2759         if (psz_curr_chapter != NULL && psz_current_chapter != psz_curr_chapter)
2760         {
2761             if ( (*p_editions)[i_current_edition]->b_ordered )
2762             {
2763                 // Leave/Enter up to the link point
2764                 if ( !psz_curr_chapter->EnterAndLeave( psz_current_chapter ) )
2765                 {
2766                     // only seek if necessary
2767                     if ( psz_current_chapter == NULL || (psz_current_chapter->i_end_time != psz_curr_chapter->i_start_time) )
2768                         Seek( demux, sys.i_pts, 0, psz_curr_chapter );
2769                     psz_current_chapter = psz_curr_chapter;
2770                 }
2771             }
2772             else if ( psz_curr_chapter->i_seekpoint_num > 0 )
2773             {
2774                 demux.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
2775                 demux.info.i_title = sys.i_current_title = i_sys_title;
2776                 demux.info.i_seekpoint = psz_curr_chapter->i_seekpoint_num - 1;
2777                 psz_current_chapter = psz_curr_chapter;
2778             }
2779             else
2780             {
2781                 psz_current_chapter = psz_curr_chapter;
2782             }
2783
2784             return true;
2785         }
2786         else if (psz_curr_chapter == NULL)
2787         {
2788             // out of the scope of the data described by chapters, leave the edition
2789             if ( (*p_editions)[i_current_edition]->b_ordered && psz_current_chapter != NULL )
2790             {
2791                 if ( !(*p_editions)[i_current_edition]->EnterAndLeave( psz_current_chapter ) )
2792                     psz_current_chapter = NULL;
2793                 else
2794                     return true;
2795             }
2796         }
2797     }
2798     return false;
2799 }
2800
2801 chapter_item_c *virtual_segment_c::BrowseCodecPrivate( unsigned int codec_id,
2802                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
2803                                     const void *p_cookie,
2804                                     size_t i_cookie_size )
2805 {
2806     // FIXME don't assume it is the first edition
2807     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
2808     if ( index != p_editions->end() )
2809     {
2810         chapter_item_c *p_result = (*index)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
2811         if ( p_result != NULL )
2812             return p_result;
2813     }
2814     return NULL;
2815 }
2816
2817 chapter_item_c *virtual_segment_c::FindChapter( int64_t i_find_uid )
2818 {
2819     // FIXME don't assume it is the first edition
2820     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
2821     if ( index != p_editions->end() )
2822     {
2823         chapter_item_c *p_result = (*index)->FindChapter( i_find_uid );
2824         if ( p_result != NULL )
2825             return p_result;
2826     }
2827     return NULL;
2828 }
2829
2830 chapter_item_c *chapter_item_c::BrowseCodecPrivate( unsigned int codec_id,
2831                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
2832                                     const void *p_cookie,
2833                                     size_t i_cookie_size )
2834 {
2835     // this chapter
2836     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2837     while ( index != codecs.end() )
2838     {
2839         if ( match( **index ,p_cookie, i_cookie_size ) )
2840             return this;
2841         index++;
2842     }
2843
2844     // sub-chapters
2845     chapter_item_c *p_result = NULL;
2846     std::vector<chapter_item_c*>::const_iterator index2 = sub_chapters.begin();
2847     while ( index2 != sub_chapters.end() )
2848     {
2849         p_result = (*index2)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
2850         if ( p_result != NULL )
2851             return p_result;
2852         index2++;
2853     }
2854
2855     return p_result;
2856 }
2857
2858 void chapter_item_c::Append( const chapter_item_c & chapter )
2859 {
2860     // we are appending content for the same chapter UID
2861     size_t i;
2862     chapter_item_c *p_chapter;
2863
2864     for ( i=0; i<chapter.sub_chapters.size(); i++ )
2865     {
2866         p_chapter = FindChapter( chapter.sub_chapters[i]->i_uid );
2867         if ( p_chapter != NULL )
2868         {
2869             p_chapter->Append( *chapter.sub_chapters[i] );
2870         }
2871         else
2872         {
2873             sub_chapters.push_back( chapter.sub_chapters[i] );
2874         }
2875     }
2876
2877     i_user_start_time = min( i_user_start_time, chapter.i_user_start_time );
2878     i_user_end_time = max( i_user_end_time, chapter.i_user_end_time );
2879 }
2880
2881 chapter_item_c * chapter_item_c::FindChapter( int64_t i_find_uid )
2882 {
2883     size_t i;
2884     chapter_item_c *p_result = NULL;
2885
2886     if ( i_uid == i_find_uid )
2887         return this;
2888
2889     for ( i=0; i<sub_chapters.size(); i++)
2890     {
2891         p_result = sub_chapters[i]->FindChapter( i_find_uid );
2892         if ( p_result != NULL )
2893             break;
2894     }
2895     return p_result;
2896 }
2897
2898 std::string chapter_item_c::GetCodecName( bool f_for_title ) const
2899 {
2900     std::string result;
2901
2902     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2903     while ( index != codecs.end() )
2904     {
2905         result = (*index)->GetCodecName( f_for_title );
2906         if ( result != "" )
2907             break;
2908         index++;
2909     }
2910
2911     return result;
2912 }
2913
2914 std::string dvd_chapter_codec_c::GetCodecName( bool f_for_title ) const
2915 {
2916     std::string result;
2917     if ( p_private_data->GetSize() >= 3)
2918     {
2919         const binary* p_data = p_private_data->GetBuffer();
2920 /*        if ( p_data[0] == MATROSKA_DVD_LEVEL_TT )
2921         {
2922             uint16_t i_title = (p_data[1] << 8) + p_data[2];
2923             char psz_str[11];
2924             sprintf( psz_str, " %d  ---", i_title );
2925             result = N_("---  DVD Title");
2926             result += psz_str;
2927         }
2928         else */ if ( p_data[0] == MATROSKA_DVD_LEVEL_LU )
2929         {
2930             char psz_str[11];
2931             sprintf( psz_str, " (%c%c)  ---", p_data[1], p_data[2] );
2932             result = N_("---  DVD Menu");
2933             result += psz_str;
2934         }
2935         else if ( p_data[0] == MATROSKA_DVD_LEVEL_SS && f_for_title )
2936         {
2937             if ( p_data[1] == 0x00 )
2938                 result = N_("First Played");
2939             else if ( p_data[1] == 0xC0 )
2940                 result = N_("Video Manager");
2941             else if ( p_data[1] == 0x80 )
2942             {
2943                 uint16_t i_title = (p_data[2] << 8) + p_data[3];
2944                 char psz_str[20];
2945                 sprintf( psz_str, " %d -----", i_title );
2946                 result = N_("----- Title");
2947                 result += psz_str;
2948             }
2949         }
2950     }
2951
2952     return result;
2953 }
2954
2955 int16 chapter_item_c::GetTitleNumber( ) const
2956 {
2957     int result = -1;
2958
2959     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2960     while ( index != codecs.end() )
2961     {
2962         result = (*index)->GetTitleNumber( );
2963         if ( result >= 0 )
2964             break;
2965         index++;
2966     }
2967
2968     return result;
2969 }
2970
2971 int16 dvd_chapter_codec_c::GetTitleNumber()
2972 {
2973     if ( p_private_data->GetSize() >= 3)
2974     {
2975         const binary* p_data = p_private_data->GetBuffer();
2976         if ( p_data[0] == MATROSKA_DVD_LEVEL_SS )
2977         {
2978             return int16( (p_data[2] << 8) + p_data[3] );
2979         }
2980     }
2981     return -1;
2982 }
2983
2984 static void Seek( demux_t *p_demux, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter )
2985 {
2986     demux_sys_t        *p_sys = p_demux->p_sys;
2987     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
2988     matroska_segment_c *p_segment = p_vsegment->Segment();
2989     mtime_t            i_time_offset = 0;
2990
2991     int         i_index;
2992
2993     msg_Dbg( p_demux, "seek request to "I64Fd" (%f%%)", i_date, f_percent );
2994     if( i_date < 0 && f_percent < 0 )
2995     {
2996         msg_Warn( p_demux, "cannot seek nowhere !" );
2997         return;
2998     }
2999     if( f_percent > 1.0 )
3000     {
3001         msg_Warn( p_demux, "cannot seek so far !" );
3002         return;
3003     }
3004
3005     /* seek without index or without date */
3006     if( f_percent >= 0 && (config_GetInt( p_demux, "mkv-seek-percent" ) || !p_segment->b_cues || i_date < 0 ))
3007     {
3008         if (p_sys->f_duration >= 0)
3009         {
3010             i_date = int64_t( f_percent * p_sys->f_duration * 1000.0 );
3011         }
3012         else
3013         {
3014             int64_t i_pos = int64_t( f_percent * stream_Size( p_demux->s ) );
3015
3016             msg_Dbg( p_demux, "inacurate way of seeking" );
3017             for( i_index = 0; i_index < p_segment->i_index; i_index++ )
3018             {
3019                 if( p_segment->p_indexes[i_index].i_position >= i_pos)
3020                 {
3021                     break;
3022                 }
3023             }
3024             if( i_index == p_segment->i_index )
3025             {
3026                 i_index--;
3027             }
3028
3029             i_date = p_segment->p_indexes[i_index].i_time;
3030
3031 #if 0
3032             if( p_segment->p_indexes[i_index].i_position < i_pos )
3033             {
3034                 EbmlElement *el;
3035
3036                 msg_Warn( p_demux, "searching for cluster, could take some time" );
3037
3038                 /* search a cluster */
3039                 while( ( el = p_sys->ep->Get() ) != NULL )
3040                 {
3041                     if( MKV_IS_ID( el, KaxCluster ) )
3042                     {
3043                         KaxCluster *cluster = (KaxCluster*)el;
3044
3045                         /* add it to the index */
3046                         p_segment->IndexAppendCluster( cluster );
3047
3048                         if( (int64_t)cluster->GetElementPosition() >= i_pos )
3049                         {
3050                             p_sys->cluster = cluster;
3051                             p_sys->ep->Down();
3052                             break;
3053                         }
3054                     }
3055                 }
3056             }
3057 #endif
3058         }
3059     }
3060
3061     p_vsegment->Seek( *p_demux, i_date, i_time_offset, psz_chapter );
3062 }
3063
3064 /*****************************************************************************
3065  * Demux: reads and demuxes data packets
3066  *****************************************************************************
3067  * Returns -1 in case of error, 0 in case of EOF, 1 otherwise
3068  *****************************************************************************/
3069 static int Demux( demux_t *p_demux)
3070 {
3071     demux_sys_t        *p_sys = p_demux->p_sys;
3072
3073     vlc_mutex_lock( &p_sys->lock_demuxer );
3074
3075     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3076     matroska_segment_c *p_segment = p_vsegment->Segment();
3077     if ( p_segment == NULL ) return 0;
3078     int                i_block_count = 0;
3079     int                i_return = 0;
3080
3081     for( ;; )
3082     {
3083         if ( p_sys->demuxer.b_die )
3084             break;
3085
3086         if( p_sys->i_pts >= p_sys->i_start_pts  )
3087             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3088             {
3089                 i_return = 1;
3090                 break;
3091             }
3092
3093         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3094         {
3095             /* nothing left to read in this ordered edition */
3096             if ( !p_vsegment->SelectNext() )
3097                 break;
3098             p_segment->UnSelect( );
3099
3100             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3101
3102             /* switch to the next segment */
3103             p_segment = p_vsegment->Segment();
3104             if ( !p_segment->Select( 0 ) )
3105             {
3106                 msg_Err( p_demux, "Failed to select new segment" );
3107                 break;
3108             }
3109             continue;
3110         }
3111
3112         KaxBlock *block;
3113         int64_t i_block_duration = 0;
3114         int64_t i_block_ref1;
3115         int64_t i_block_ref2;
3116
3117         if( p_segment->BlockGet( &block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
3118         {
3119             if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered )
3120             {
3121                 const chapter_item_c *p_chap = p_vsegment->CurrentChapter();
3122                 // check if there are more chapters to read
3123                 if ( p_chap != NULL )
3124                 {
3125                     /* TODO handle successive chapters with the same user_start_time/user_end_time
3126                     if ( p_chap->i_user_start_time == p_chap->i_user_start_time )
3127                         p_vsegment->SelectNext();
3128                     */
3129                     p_sys->i_pts = p_chap->i_user_end_time;
3130                     p_sys->i_pts++; // trick to avoid staying on segments with no duration and no content
3131
3132                     i_return = 1;
3133                 }
3134
3135                 break;
3136             }
3137             msg_Warn( p_demux, "cannot get block EOF?" );
3138             p_segment->UnSelect( );
3139
3140             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3141
3142             /* switch to the next segment */
3143             if ( !p_vsegment->SelectNext() )
3144                 // no more segments in this stream
3145                 break;
3146             p_segment = p_vsegment->Segment();
3147             if ( !p_segment->Select( 0 ) )
3148             {
3149                 msg_Err( p_demux, "Failed to select new segment" );
3150                 break;
3151             }
3152
3153             continue;
3154         }
3155
3156         p_sys->i_pts = p_sys->i_chapter_time + block->GlobalTimecode() / (mtime_t) 1000;
3157
3158         if( p_sys->i_pts >= p_sys->i_start_pts  )
3159         {
3160             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pts );
3161         }
3162
3163         BlockDecode( p_demux, block, p_sys->i_pts, i_block_duration );
3164
3165         delete block;
3166         i_block_count++;
3167
3168         // TODO optimize when there is need to leave or when seeking has been called
3169         if( i_block_count > 5 )
3170         {
3171             i_return = 1;
3172             break;
3173         }
3174     }
3175
3176     vlc_mutex_unlock( &p_sys->lock_demuxer );
3177
3178     return i_return;
3179 }
3180
3181
3182
3183 /*****************************************************************************
3184  * Stream managment
3185  *****************************************************************************/
3186 vlc_stream_io_callback::vlc_stream_io_callback( stream_t *s_ )
3187 {
3188     s = s_;
3189     mb_eof = VLC_FALSE;
3190 }
3191
3192 uint32 vlc_stream_io_callback::read( void *p_buffer, size_t i_size )
3193 {
3194     if( i_size <= 0 || mb_eof )
3195     {
3196         return 0;
3197     }
3198
3199     return stream_Read( s, p_buffer, i_size );
3200 }
3201 void vlc_stream_io_callback::setFilePointer(int64_t i_offset, seek_mode mode )
3202 {
3203     int64_t i_pos;
3204
3205     switch( mode )
3206     {
3207         case seek_beginning:
3208             i_pos = i_offset;
3209             break;
3210         case seek_end:
3211             i_pos = stream_Size( s ) - i_offset;
3212             break;
3213         default:
3214             i_pos= stream_Tell( s ) + i_offset;
3215             break;
3216     }
3217
3218     if( i_pos < 0 || i_pos >= stream_Size( s ) )
3219     {
3220         mb_eof = VLC_TRUE;
3221         return;
3222     }
3223
3224     mb_eof = VLC_FALSE;
3225     if( stream_Seek( s, i_pos ) )
3226     {
3227         mb_eof = VLC_TRUE;
3228     }
3229     return;
3230 }
3231 size_t vlc_stream_io_callback::write( const void *p_buffer, size_t i_size )
3232 {
3233     return 0;
3234 }
3235 uint64 vlc_stream_io_callback::getFilePointer( void )
3236 {
3237     return stream_Tell( s );
3238 }
3239 void vlc_stream_io_callback::close( void )
3240 {
3241     return;
3242 }
3243
3244
3245 /*****************************************************************************
3246  * Ebml Stream parser
3247  *****************************************************************************/
3248 EbmlParser::EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux )
3249 {
3250     int i;
3251
3252     m_es = es;
3253     m_got = NULL;
3254     m_el[0] = el_start;
3255     mi_remain_size[0] = el_start->GetSize();
3256
3257     for( i = 1; i < 6; i++ )
3258     {
3259         m_el[i] = NULL;
3260     }
3261     mi_level = 1;
3262     mi_user_level = 1;
3263     mb_keep = VLC_FALSE;
3264     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3265 }
3266
3267 EbmlParser::~EbmlParser( void )
3268 {
3269     int i;
3270
3271     for( i = 1; i < mi_level; i++ )
3272     {
3273         if( !mb_keep )
3274         {
3275             delete m_el[i];
3276         }
3277         mb_keep = VLC_FALSE;
3278     }
3279 }
3280
3281 void EbmlParser::Up( void )
3282 {
3283     if( mi_user_level == mi_level )
3284     {
3285         fprintf( stderr," arrrrrrrrrrrrrg Up cannot escape itself\n" );
3286     }
3287
3288     mi_user_level--;
3289 }
3290
3291 void EbmlParser::Down( void )
3292 {
3293     mi_user_level++;
3294     mi_level++;
3295 }
3296
3297 void EbmlParser::Keep( void )
3298 {
3299     mb_keep = VLC_TRUE;
3300 }
3301
3302 int EbmlParser::GetLevel( void )
3303 {
3304     return mi_user_level;
3305 }
3306
3307 void EbmlParser::Reset( demux_t *p_demux )
3308 {
3309     while ( mi_level > 0)
3310     {
3311         delete m_el[mi_level];
3312         m_el[mi_level] = NULL;
3313         mi_level--;
3314     }
3315     mi_user_level = mi_level = 1;
3316 #if LIBEBML_VERSION >= 0x000704
3317     // a little faster and cleaner
3318     m_es->I_O().setFilePointer( static_cast<KaxSegment*>(m_el[0])->GetGlobalPosition(0) );
3319 #else
3320     m_es->I_O().setFilePointer( m_el[0]->GetElementPosition() + m_el[0]->ElementSize(true) - m_el[0]->GetSize() );
3321 #endif
3322     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3323 }
3324
3325 EbmlElement *EbmlParser::Get( void )
3326 {
3327     int i_ulev = 0;
3328
3329     if( mi_user_level != mi_level )
3330     {
3331         return NULL;
3332     }
3333     if( m_got )
3334     {
3335         EbmlElement *ret = m_got;
3336         m_got = NULL;
3337
3338         return ret;
3339     }
3340
3341     if( m_el[mi_level] )
3342     {
3343         m_el[mi_level]->SkipData( *m_es, m_el[mi_level]->Generic().Context );
3344         if( !mb_keep )
3345         {
3346             delete m_el[mi_level];
3347         }
3348         mb_keep = VLC_FALSE;
3349     }
3350
3351     m_el[mi_level] = m_es->FindNextElement( m_el[mi_level - 1]->Generic().Context, i_ulev, 0xFFFFFFFFL, mb_dummy != 0, 1 );
3352 //    mi_remain_size[mi_level] = m_el[mi_level]->GetSize();
3353     if( i_ulev > 0 )
3354     {
3355         while( i_ulev > 0 )
3356         {
3357             if( mi_level == 1 )
3358             {
3359                 mi_level = 0;
3360                 return NULL;
3361             }
3362
3363             delete m_el[mi_level - 1];
3364             m_got = m_el[mi_level -1] = m_el[mi_level];
3365             m_el[mi_level] = NULL;
3366
3367             mi_level--;
3368             i_ulev--;
3369         }
3370         return NULL;
3371     }
3372     else if( m_el[mi_level] == NULL )
3373     {
3374         fprintf( stderr," m_el[mi_level] == NULL\n" );
3375     }
3376
3377     return m_el[mi_level];
3378 }
3379
3380
3381 /*****************************************************************************
3382  * Tools
3383  *  * LoadCues : load the cues element and update index
3384  *
3385  *  * LoadTags : load ... the tags element
3386  *
3387  *  * InformationCreate : create all information, load tags if present
3388  *
3389  *****************************************************************************/
3390 void matroska_segment_c::LoadCues( )
3391 {
3392     int64_t     i_sav_position = es.I_O().getFilePointer();
3393     EbmlParser  *ep;
3394     EbmlElement *el, *cues;
3395
3396     /* *** Load the cue if found *** */
3397     if( i_cues_position < 0 )
3398     {
3399         msg_Warn( &sys.demuxer, "no cues/empty cues found->seek won't be precise" );
3400
3401 //        IndexAppendCluster( cluster );
3402     }
3403
3404     vlc_bool_t b_seekable;
3405
3406     stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
3407     if( !b_seekable )
3408         return;
3409
3410     msg_Dbg( &sys.demuxer, "loading cues" );
3411     es.I_O().setFilePointer( i_cues_position, seek_beginning );
3412     cues = es.FindNextID( KaxCues::ClassInfos, 0xFFFFFFFFL);
3413
3414     if( cues == NULL )
3415     {
3416         msg_Err( &sys.demuxer, "cannot load cues (broken seekhead or file)" );
3417         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3418         return;
3419     }
3420
3421     ep = new EbmlParser( &es, cues, &sys.demuxer );
3422     while( ( el = ep->Get() ) != NULL )
3423     {
3424         if( MKV_IS_ID( el, KaxCuePoint ) )
3425         {
3426 #define idx p_indexes[i_index]
3427
3428             idx.i_track       = -1;
3429             idx.i_block_number= -1;
3430             idx.i_position    = -1;
3431             idx.i_time        = 0;
3432             idx.b_key         = VLC_TRUE;
3433
3434             ep->Down();
3435             while( ( el = ep->Get() ) != NULL )
3436             {
3437                 if( MKV_IS_ID( el, KaxCueTime ) )
3438                 {
3439                     KaxCueTime &ctime = *(KaxCueTime*)el;
3440
3441                     ctime.ReadData( es.I_O() );
3442
3443                     idx.i_time = uint64( ctime ) * i_timescale / (mtime_t)1000;
3444                 }
3445                 else if( MKV_IS_ID( el, KaxCueTrackPositions ) )
3446                 {
3447                     ep->Down();
3448                     while( ( el = ep->Get() ) != NULL )
3449                     {
3450                         if( MKV_IS_ID( el, KaxCueTrack ) )
3451                         {
3452                             KaxCueTrack &ctrack = *(KaxCueTrack*)el;
3453
3454                             ctrack.ReadData( es.I_O() );
3455                             idx.i_track = uint16( ctrack );
3456                         }
3457                         else if( MKV_IS_ID( el, KaxCueClusterPosition ) )
3458                         {
3459                             KaxCueClusterPosition &ccpos = *(KaxCueClusterPosition*)el;
3460
3461                             ccpos.ReadData( es.I_O() );
3462                             idx.i_position = segment->GetGlobalPosition( uint64( ccpos ) );
3463                         }
3464                         else if( MKV_IS_ID( el, KaxCueBlockNumber ) )
3465                         {
3466                             KaxCueBlockNumber &cbnum = *(KaxCueBlockNumber*)el;
3467
3468                             cbnum.ReadData( es.I_O() );
3469                             idx.i_block_number = uint32( cbnum );
3470                         }
3471                         else
3472                         {
3473                             msg_Dbg( &sys.demuxer, "         * Unknown (%s)", typeid(*el).name() );
3474                         }
3475                     }
3476                     ep->Up();
3477                 }
3478                 else
3479                 {
3480                     msg_Dbg( &sys.demuxer, "     * Unknown (%s)", typeid(*el).name() );
3481                 }
3482             }
3483             ep->Up();
3484
3485 #if 0
3486             msg_Dbg( &sys.demuxer, " * added time="I64Fd" pos="I64Fd
3487                      " track=%d bnum=%d", idx.i_time, idx.i_position,
3488                      idx.i_track, idx.i_block_number );
3489 #endif
3490
3491             i_index++;
3492             if( i_index >= i_index_max )
3493             {
3494                 i_index_max += 1024;
3495                 p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
3496             }
3497 #undef idx
3498         }
3499         else
3500         {
3501             msg_Dbg( &sys.demuxer, " * Unknown (%s)", typeid(*el).name() );
3502         }
3503     }
3504     delete ep;
3505     delete cues;
3506
3507     b_cues = VLC_TRUE;
3508
3509     msg_Dbg( &sys.demuxer, "loading cues done." );
3510     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3511 }
3512
3513 void matroska_segment_c::LoadTags( )
3514 {
3515     int64_t     i_sav_position = es.I_O().getFilePointer();
3516     EbmlParser  *ep;
3517     EbmlElement *el, *tags;
3518
3519     msg_Dbg( &sys.demuxer, "loading tags" );
3520     es.I_O().setFilePointer( i_tags_position, seek_beginning );
3521     tags = es.FindNextID( KaxTags::ClassInfos, 0xFFFFFFFFL);
3522
3523     if( tags == NULL )
3524     {
3525         msg_Err( &sys.demuxer, "cannot load tags (broken seekhead or file)" );
3526         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3527         return;
3528     }
3529
3530     msg_Dbg( &sys.demuxer, "Tags" );
3531     ep = new EbmlParser( &es, tags, &sys.demuxer );
3532     while( ( el = ep->Get() ) != NULL )
3533     {
3534         if( MKV_IS_ID( el, KaxTag ) )
3535         {
3536             msg_Dbg( &sys.demuxer, "+ Tag" );
3537             ep->Down();
3538             while( ( el = ep->Get() ) != NULL )
3539             {
3540                 if( MKV_IS_ID( el, KaxTagTargets ) )
3541                 {
3542                     msg_Dbg( &sys.demuxer, "|   + Targets" );
3543                     ep->Down();
3544                     while( ( el = ep->Get() ) != NULL )
3545                     {
3546                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3547                     }
3548                     ep->Up();
3549                 }
3550                 else if( MKV_IS_ID( el, KaxTagGeneral ) )
3551                 {
3552                     msg_Dbg( &sys.demuxer, "|   + General" );
3553                     ep->Down();
3554                     while( ( el = ep->Get() ) != NULL )
3555                     {
3556                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3557                     }
3558                     ep->Up();
3559                 }
3560                 else if( MKV_IS_ID( el, KaxTagGenres ) )
3561                 {
3562                     msg_Dbg( &sys.demuxer, "|   + Genres" );
3563                     ep->Down();
3564                     while( ( el = ep->Get() ) != NULL )
3565                     {
3566                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3567                     }
3568                     ep->Up();
3569                 }
3570                 else if( MKV_IS_ID( el, KaxTagAudioSpecific ) )
3571                 {
3572                     msg_Dbg( &sys.demuxer, "|   + Audio Specific" );
3573                     ep->Down();
3574                     while( ( el = ep->Get() ) != NULL )
3575                     {
3576                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3577                     }
3578                     ep->Up();
3579                 }
3580                 else if( MKV_IS_ID( el, KaxTagImageSpecific ) )
3581                 {
3582                     msg_Dbg( &sys.demuxer, "|   + Images Specific" );
3583                     ep->Down();
3584                     while( ( el = ep->Get() ) != NULL )
3585                     {
3586                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3587                     }
3588                     ep->Up();
3589                 }
3590                 else if( MKV_IS_ID( el, KaxTagMultiComment ) )
3591                 {
3592                     msg_Dbg( &sys.demuxer, "|   + Multi Comment" );
3593                 }
3594                 else if( MKV_IS_ID( el, KaxTagMultiCommercial ) )
3595                 {
3596                     msg_Dbg( &sys.demuxer, "|   + Multi Commercial" );
3597                 }
3598                 else if( MKV_IS_ID( el, KaxTagMultiDate ) )
3599                 {
3600                     msg_Dbg( &sys.demuxer, "|   + Multi Date" );
3601                 }
3602                 else if( MKV_IS_ID( el, KaxTagMultiEntity ) )
3603                 {
3604                     msg_Dbg( &sys.demuxer, "|   + Multi Entity" );
3605                 }
3606                 else if( MKV_IS_ID( el, KaxTagMultiIdentifier ) )
3607                 {
3608                     msg_Dbg( &sys.demuxer, "|   + Multi Identifier" );
3609                 }
3610                 else if( MKV_IS_ID( el, KaxTagMultiLegal ) )
3611                 {
3612                     msg_Dbg( &sys.demuxer, "|   + Multi Legal" );
3613                 }
3614                 else if( MKV_IS_ID( el, KaxTagMultiTitle ) )
3615                 {
3616                     msg_Dbg( &sys.demuxer, "|   + Multi Title" );
3617                 }
3618                 else
3619                 {
3620                     msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid( *el ).name() );
3621                 }
3622             }
3623             ep->Up();
3624         }
3625         else
3626         {
3627             msg_Dbg( &sys.demuxer, "+ Unknown (%s)", typeid( *el ).name() );
3628         }
3629     }
3630     delete ep;
3631     delete tags;
3632
3633     msg_Dbg( &sys.demuxer, "loading tags done." );
3634     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3635 }
3636
3637 /*****************************************************************************
3638  * ParseSeekHead:
3639  *****************************************************************************/
3640 void matroska_segment_c::ParseSeekHead( KaxSeekHead *seekhead )
3641 {
3642     EbmlElement *el;
3643     size_t i, j;
3644     int i_upper_level = 0;
3645
3646     msg_Dbg( &sys.demuxer, "|   + Seek head" );
3647
3648     /* Master elements */
3649     seekhead->Read( es, seekhead->Generic().Context, i_upper_level, el, true );
3650
3651     for( i = 0; i < seekhead->ListSize(); i++ )
3652     {
3653         EbmlElement *l = (*seekhead)[i];
3654
3655         if( MKV_IS_ID( l, KaxSeek ) )
3656         {
3657             EbmlMaster *sk = static_cast<EbmlMaster *>(l);
3658             EbmlId id = EbmlVoid::ClassInfos.GlobalId;
3659             int64_t i_pos = -1;
3660
3661             for( j = 0; j < sk->ListSize(); j++ )
3662             {
3663                 EbmlElement *l = (*sk)[j];
3664
3665                 if( MKV_IS_ID( l, KaxSeekID ) )
3666                 {
3667                     KaxSeekID &sid = *(KaxSeekID*)l;
3668                     id = EbmlId( sid.GetBuffer(), sid.GetSize() );
3669                 }
3670                 else if( MKV_IS_ID( l, KaxSeekPosition ) )
3671                 {
3672                     KaxSeekPosition &spos = *(KaxSeekPosition*)l;
3673                     i_pos = uint64( spos );
3674                 }
3675                 else
3676                 {
3677                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
3678                 }
3679             }
3680
3681             if( i_pos >= 0 )
3682             {
3683                 if( id == KaxCues::ClassInfos.GlobalId )
3684                 {
3685                     msg_Dbg( &sys.demuxer, "|   |   |   = cues at "I64Fd, i_pos );
3686                     i_cues_position = segment->GetGlobalPosition( i_pos );
3687                 }
3688                 else if( id == KaxChapters::ClassInfos.GlobalId )
3689                 {
3690                     msg_Dbg( &sys.demuxer, "|   |   |   = chapters at "I64Fd, i_pos );
3691                     i_chapters_position = segment->GetGlobalPosition( i_pos );
3692                 }
3693                 else if( id == KaxTags::ClassInfos.GlobalId )
3694                 {
3695                     msg_Dbg( &sys.demuxer, "|   |   |   = tags at "I64Fd, i_pos );
3696                     i_tags_position = segment->GetGlobalPosition( i_pos );
3697                 }
3698             }
3699         }
3700         else
3701         {
3702             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
3703         }
3704     }
3705 }
3706
3707 /*****************************************************************************
3708  * ParseTrackEntry:
3709  *****************************************************************************/
3710 void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
3711 {
3712     size_t i, j, k, n;
3713
3714     mkv_track_t *tk;
3715
3716     msg_Dbg( &sys.demuxer, "|   |   + Track Entry" );
3717
3718     tk = new mkv_track_t();
3719     tracks.push_back( tk );
3720
3721     /* Init the track */
3722     memset( tk, 0, sizeof( mkv_track_t ) );
3723
3724     es_format_Init( &tk->fmt, UNKNOWN_ES, 0 );
3725     tk->fmt.psz_language = strdup("English");
3726     tk->fmt.psz_description = NULL;
3727
3728     tk->b_default = VLC_TRUE;
3729     tk->b_enabled = VLC_TRUE;
3730     tk->b_silent = VLC_FALSE;
3731     tk->i_number = tracks.size() - 1;
3732     tk->i_extra_data = 0;
3733     tk->p_extra_data = NULL;
3734     tk->psz_codec = NULL;
3735     tk->i_default_duration = 0;
3736     tk->f_timecodescale = 1.0;
3737
3738     tk->b_inited = VLC_FALSE;
3739     tk->i_data_init = 0;
3740     tk->p_data_init = NULL;
3741
3742     tk->psz_codec_name = NULL;
3743     tk->psz_codec_settings = NULL;
3744     tk->psz_codec_info_url = NULL;
3745     tk->psz_codec_download_url = NULL;
3746
3747     tk->i_compression_type = MATROSKA_COMPRESSION_NONE;
3748
3749     for( i = 0; i < m->ListSize(); i++ )
3750     {
3751         EbmlElement *l = (*m)[i];
3752
3753         if( MKV_IS_ID( l, KaxTrackNumber ) )
3754         {
3755             KaxTrackNumber &tnum = *(KaxTrackNumber*)l;
3756
3757             tk->i_number = uint32( tnum );
3758             msg_Dbg( &sys.demuxer, "|   |   |   + Track Number=%u", uint32( tnum ) );
3759         }
3760         else  if( MKV_IS_ID( l, KaxTrackUID ) )
3761         {
3762             KaxTrackUID &tuid = *(KaxTrackUID*)l;
3763
3764             msg_Dbg( &sys.demuxer, "|   |   |   + Track UID=%u",  uint32( tuid ) );
3765         }
3766         else  if( MKV_IS_ID( l, KaxTrackType ) )
3767         {
3768             char *psz_type;
3769             KaxTrackType &ttype = *(KaxTrackType*)l;
3770
3771             switch( uint8(ttype) )
3772             {
3773                 case track_audio:
3774                     psz_type = "audio";
3775                     tk->fmt.i_cat = AUDIO_ES;
3776                     break;
3777                 case track_video:
3778                     psz_type = "video";
3779                     tk->fmt.i_cat = VIDEO_ES;
3780                     break;
3781                 case track_subtitle:
3782                     psz_type = "subtitle";
3783                     tk->fmt.i_cat = SPU_ES;
3784                     break;
3785                 case track_buttons:
3786                     psz_type = "buttons";
3787                     tk->fmt.i_cat = SPU_ES;
3788                     break;
3789                 default:
3790                     psz_type = "unknown";
3791                     tk->fmt.i_cat = UNKNOWN_ES;
3792                     break;
3793             }
3794
3795             msg_Dbg( &sys.demuxer, "|   |   |   + Track Type=%s", psz_type );
3796         }
3797 //        else  if( EbmlId( *l ) == KaxTrackFlagEnabled::ClassInfos.GlobalId )
3798 //        {
3799 //            KaxTrackFlagEnabled &fenb = *(KaxTrackFlagEnabled*)l;
3800
3801 //            tk->b_enabled = uint32( fenb );
3802 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Enabled=%u",
3803 //                     uint32( fenb )  );
3804 //        }
3805         else  if( MKV_IS_ID( l, KaxTrackFlagDefault ) )
3806         {
3807             KaxTrackFlagDefault &fdef = *(KaxTrackFlagDefault*)l;
3808
3809             tk->b_default = uint32( fdef );
3810             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default=%u", uint32( fdef )  );
3811         }
3812         else  if( MKV_IS_ID( l, KaxTrackFlagLacing ) )
3813         {
3814             KaxTrackFlagLacing &lac = *(KaxTrackFlagLacing*)l;
3815
3816             msg_Dbg( &sys.demuxer, "|   |   |   + Track Lacing=%d", uint32( lac ) );
3817         }
3818         else  if( MKV_IS_ID( l, KaxTrackMinCache ) )
3819         {
3820             KaxTrackMinCache &cmin = *(KaxTrackMinCache*)l;
3821
3822             msg_Dbg( &sys.demuxer, "|   |   |   + Track MinCache=%d", uint32( cmin ) );
3823         }
3824         else  if( MKV_IS_ID( l, KaxTrackMaxCache ) )
3825         {
3826             KaxTrackMaxCache &cmax = *(KaxTrackMaxCache*)l;
3827
3828             msg_Dbg( &sys.demuxer, "|   |   |   + Track MaxCache=%d", uint32( cmax ) );
3829         }
3830         else  if( MKV_IS_ID( l, KaxTrackDefaultDuration ) )
3831         {
3832             KaxTrackDefaultDuration &defd = *(KaxTrackDefaultDuration*)l;
3833
3834             tk->i_default_duration = uint64(defd);
3835             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default Duration="I64Fd, uint64(defd) );
3836         }
3837         else  if( MKV_IS_ID( l, KaxTrackTimecodeScale ) )
3838         {
3839             KaxTrackTimecodeScale &ttcs = *(KaxTrackTimecodeScale*)l;
3840
3841             tk->f_timecodescale = float( ttcs );
3842             msg_Dbg( &sys.demuxer, "|   |   |   + Track TimeCodeScale=%f", tk->f_timecodescale );
3843         }
3844         else if( MKV_IS_ID( l, KaxTrackName ) )
3845         {
3846             KaxTrackName &tname = *(KaxTrackName*)l;
3847
3848             tk->fmt.psz_description = UTF8ToStr( UTFstring( tname ) );
3849             msg_Dbg( &sys.demuxer, "|   |   |   + Track Name=%s", tk->fmt.psz_description );
3850         }
3851         else  if( MKV_IS_ID( l, KaxTrackLanguage ) )
3852         {
3853             KaxTrackLanguage &lang = *(KaxTrackLanguage*)l;
3854
3855             tk->fmt.psz_language = strdup( string( lang ).c_str() );
3856             msg_Dbg( &sys.demuxer,
3857                      "|   |   |   + Track Language=`%s'", tk->fmt.psz_language );
3858         }
3859         else  if( MKV_IS_ID( l, KaxCodecID ) )
3860         {
3861             KaxCodecID &codecid = *(KaxCodecID*)l;
3862
3863             tk->psz_codec = strdup( string( codecid ).c_str() );
3864             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecId=%s", string( codecid ).c_str() );
3865         }
3866         else  if( MKV_IS_ID( l, KaxCodecPrivate ) )
3867         {
3868             KaxCodecPrivate &cpriv = *(KaxCodecPrivate*)l;
3869
3870             tk->i_extra_data = cpriv.GetSize();
3871             if( tk->i_extra_data > 0 )
3872             {
3873                 tk->p_extra_data = (uint8_t*)malloc( tk->i_extra_data );
3874                 memcpy( tk->p_extra_data, cpriv.GetBuffer(), tk->i_extra_data );
3875             }
3876             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecPrivate size="I64Fd, cpriv.GetSize() );
3877         }
3878         else if( MKV_IS_ID( l, KaxCodecName ) )
3879         {
3880             KaxCodecName &cname = *(KaxCodecName*)l;
3881
3882             tk->psz_codec_name = UTF8ToStr( UTFstring( cname ) );
3883             msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Name=%s", tk->psz_codec_name );
3884         }
3885         else if( MKV_IS_ID( l, KaxContentEncodings ) )
3886         {
3887             EbmlMaster *cencs = static_cast<EbmlMaster*>(l);
3888             MkvTree( sys.demuxer, 3, "Content Encodings" );
3889             for( j = 0; j < cencs->ListSize(); j++ )
3890             {
3891                 EbmlElement *l2 = (*cencs)[j];
3892                 if( MKV_IS_ID( l2, KaxContentEncoding ) )
3893                 {
3894                     MkvTree( sys.demuxer, 4, "Content Encoding" );
3895                     EbmlMaster *cenc = static_cast<EbmlMaster*>(l2);
3896                     for( k = 0; k < cenc->ListSize(); k++ )
3897                     {
3898                         EbmlElement *l3 = (*cenc)[k];
3899                         if( MKV_IS_ID( l3, KaxContentEncodingOrder ) )
3900                         {
3901                             KaxContentEncodingOrder &encord = *(KaxContentEncodingOrder*)l3;
3902                             MkvTree( sys.demuxer, 5, "Order: %i", uint32( encord ) );
3903                         }
3904                         else if( MKV_IS_ID( l3, KaxContentEncodingScope ) )
3905                         {
3906                             KaxContentEncodingScope &encscope = *(KaxContentEncodingScope*)l3;
3907                             MkvTree( sys.demuxer, 5, "Scope: %i", uint32( encscope ) );
3908                         }
3909                         else if( MKV_IS_ID( l3, KaxContentEncodingType ) )
3910                         {
3911                             KaxContentEncodingType &enctype = *(KaxContentEncodingType*)l3;
3912                             MkvTree( sys.demuxer, 5, "Type: %i", uint32( enctype ) );
3913                         }
3914                         else if( MKV_IS_ID( l3, KaxContentCompression ) )
3915                         {
3916                             EbmlMaster *compr = static_cast<EbmlMaster*>(l3);
3917                             MkvTree( sys.demuxer, 5, "Content Compression" );
3918                             for( n = 0; n < compr->ListSize(); n++ )
3919                             {
3920                                 EbmlElement *l4 = (*compr)[n];
3921                                 if( MKV_IS_ID( l4, KaxContentCompAlgo ) )
3922                                 {
3923                                     KaxContentCompAlgo &compalg = *(KaxContentCompAlgo*)l4;
3924                                     MkvTree( sys.demuxer, 6, "Compression Algorithm: %i", uint32(compalg) );
3925                                     if( uint32( compalg ) == 0 )
3926                                     {
3927                                         tk->i_compression_type = MATROSKA_COMPRESSION_ZLIB;
3928                                     }
3929                                 }
3930                                 else
3931                                 {
3932                                     MkvTree( sys.demuxer, 6, "Unknown (%s)", typeid(*l4).name() );
3933                                 }
3934                             }
3935                         }
3936
3937                         else
3938                         {
3939                             MkvTree( sys.demuxer, 5, "Unknown (%s)", typeid(*l3).name() );
3940                         }
3941                     }
3942
3943                 }
3944                 else
3945                 {
3946                     MkvTree( sys.demuxer, 4, "Unknown (%s)", typeid(*l2).name() );
3947                 }
3948             }
3949
3950         }
3951 //        else if( EbmlId( *l ) == KaxCodecSettings::ClassInfos.GlobalId )
3952 //        {
3953 //            KaxCodecSettings &cset = *(KaxCodecSettings*)l;
3954
3955 //            tk->psz_codec_settings = UTF8ToStr( UTFstring( cset ) );
3956 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Settings=%s", tk->psz_codec_settings );
3957 //        }
3958 //        else if( EbmlId( *l ) == KaxCodecInfoURL::ClassInfos.GlobalId )
3959 //        {
3960 //            KaxCodecInfoURL &ciurl = *(KaxCodecInfoURL*)l;
3961
3962 //            tk->psz_codec_info_url = strdup( string( ciurl ).c_str() );
3963 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_info_url );
3964 //        }
3965 //        else if( EbmlId( *l ) == KaxCodecDownloadURL::ClassInfos.GlobalId )
3966 //        {
3967 //            KaxCodecDownloadURL &cdurl = *(KaxCodecDownloadURL*)l;
3968
3969 //            tk->psz_codec_download_url = strdup( string( cdurl ).c_str() );
3970 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_download_url );
3971 //        }
3972 //        else if( EbmlId( *l ) == KaxCodecDecodeAll::ClassInfos.GlobalId )
3973 //        {
3974 //            KaxCodecDecodeAll &cdall = *(KaxCodecDecodeAll*)l;
3975
3976 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Decode All=%u <== UNUSED", uint8( cdall ) );
3977 //        }
3978 //        else if( EbmlId( *l ) == KaxTrackOverlay::ClassInfos.GlobalId )
3979 //        {
3980 //            KaxTrackOverlay &tovr = *(KaxTrackOverlay*)l;
3981
3982 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Overlay=%u <== UNUSED", uint32( tovr ) );
3983 //        }
3984         else  if( MKV_IS_ID( l, KaxTrackVideo ) )
3985         {
3986             EbmlMaster *tkv = static_cast<EbmlMaster*>(l);
3987             unsigned int j;
3988
3989             msg_Dbg( &sys.demuxer, "|   |   |   + Track Video" );
3990             tk->f_fps = 0.0;
3991
3992             for( j = 0; j < tkv->ListSize(); j++ )
3993             {
3994                 EbmlElement *l = (*tkv)[j];
3995 //                if( EbmlId( *el4 ) == KaxVideoFlagInterlaced::ClassInfos.GlobalId )
3996 //                {
3997 //                    KaxVideoFlagInterlaced &fint = *(KaxVideoFlagInterlaced*)el4;
3998
3999 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Interlaced=%u", uint8( fint ) );
4000 //                }
4001 //                else if( EbmlId( *el4 ) == KaxVideoStereoMode::ClassInfos.GlobalId )
4002 //                {
4003 //                    KaxVideoStereoMode &stereo = *(KaxVideoStereoMode*)el4;
4004
4005 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Stereo Mode=%u", uint8( stereo ) );
4006 //                }
4007 //                else
4008                 if( MKV_IS_ID( l, KaxVideoPixelWidth ) )
4009                 {
4010                     KaxVideoPixelWidth &vwidth = *(KaxVideoPixelWidth*)l;
4011
4012                     tk->fmt.video.i_width = uint16( vwidth );
4013                     msg_Dbg( &sys.demuxer, "|   |   |   |   + width=%d", uint16( vwidth ) );
4014                 }
4015                 else if( MKV_IS_ID( l, KaxVideoPixelHeight ) )
4016                 {
4017                     KaxVideoPixelWidth &vheight = *(KaxVideoPixelWidth*)l;
4018
4019                     tk->fmt.video.i_height = uint16( vheight );
4020                     msg_Dbg( &sys.demuxer, "|   |   |   |   + height=%d", uint16( vheight ) );
4021                 }
4022                 else if( MKV_IS_ID( l, KaxVideoDisplayWidth ) )
4023                 {
4024                     KaxVideoDisplayWidth &vwidth = *(KaxVideoDisplayWidth*)l;
4025
4026                     tk->fmt.video.i_visible_width = uint16( vwidth );
4027                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display width=%d", uint16( vwidth ) );
4028                 }
4029                 else if( MKV_IS_ID( l, KaxVideoDisplayHeight ) )
4030                 {
4031                     KaxVideoDisplayWidth &vheight = *(KaxVideoDisplayWidth*)l;
4032
4033                     tk->fmt.video.i_visible_height = uint16( vheight );
4034                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display height=%d", uint16( vheight ) );
4035                 }
4036                 else if( MKV_IS_ID( l, KaxVideoFrameRate ) )
4037                 {
4038                     KaxVideoFrameRate &vfps = *(KaxVideoFrameRate*)l;
4039
4040                     tk->f_fps = float( vfps );
4041                     msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( vfps ) );
4042                 }
4043 //                else if( EbmlId( *l ) == KaxVideoDisplayUnit::ClassInfos.GlobalId )
4044 //                {
4045 //                     KaxVideoDisplayUnit &vdmode = *(KaxVideoDisplayUnit*)l;
4046
4047 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Display Unit=%s",
4048 //                             uint8( vdmode ) == 0 ? "pixels" : ( uint8( vdmode ) == 1 ? "centimeters": "inches" ) );
4049 //                }
4050 //                else if( EbmlId( *l ) == KaxVideoAspectRatio::ClassInfos.GlobalId )
4051 //                {
4052 //                    KaxVideoAspectRatio &ratio = *(KaxVideoAspectRatio*)l;
4053
4054 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + Track Video Aspect Ratio Type=%u", uint8( ratio ) );
4055 //                }
4056 //                else if( EbmlId( *l ) == KaxVideoGamma::ClassInfos.GlobalId )
4057 //                {
4058 //                    KaxVideoGamma &gamma = *(KaxVideoGamma*)l;
4059
4060 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( gamma ) );
4061 //                }
4062                 else
4063                 {
4064                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4065                 }
4066             }
4067             if ( tk->fmt.video.i_visible_height && tk->fmt.video.i_visible_width )
4068                 tk->fmt.video.i_aspect = VOUT_ASPECT_FACTOR * tk->fmt.video.i_visible_width / tk->fmt.video.i_visible_height;
4069         }
4070         else  if( MKV_IS_ID( l, KaxTrackAudio ) )
4071         {
4072             EbmlMaster *tka = static_cast<EbmlMaster*>(l);
4073             unsigned int j;
4074
4075             msg_Dbg( &sys.demuxer, "|   |   |   + Track Audio" );
4076
4077             for( j = 0; j < tka->ListSize(); j++ )
4078             {
4079                 EbmlElement *l = (*tka)[j];
4080
4081                 if( MKV_IS_ID( l, KaxAudioSamplingFreq ) )
4082                 {
4083                     KaxAudioSamplingFreq &afreq = *(KaxAudioSamplingFreq*)l;
4084
4085                     tk->fmt.audio.i_rate = (int)float( afreq );
4086                     msg_Dbg( &sys.demuxer, "|   |   |   |   + afreq=%d", tk->fmt.audio.i_rate );
4087                 }
4088                 else if( MKV_IS_ID( l, KaxAudioChannels ) )
4089                 {
4090                     KaxAudioChannels &achan = *(KaxAudioChannels*)l;
4091
4092                     tk->fmt.audio.i_channels = uint8( achan );
4093                     msg_Dbg( &sys.demuxer, "|   |   |   |   + achan=%u", uint8( achan ) );
4094                 }
4095                 else if( MKV_IS_ID( l, KaxAudioBitDepth ) )
4096                 {
4097                     KaxAudioBitDepth &abits = *(KaxAudioBitDepth*)l;
4098
4099                     tk->fmt.audio.i_bitspersample = uint8( abits );
4100                     msg_Dbg( &sys.demuxer, "|   |   |   |   + abits=%u", uint8( abits ) );
4101                 }
4102                 else
4103                 {
4104                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4105                 }
4106             }
4107         }
4108         else
4109         {
4110             msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)",
4111                      typeid(*l).name() );
4112         }
4113     }
4114 }
4115
4116 /*****************************************************************************
4117  * ParseTracks:
4118  *****************************************************************************/
4119 void matroska_segment_c::ParseTracks( KaxTracks *tracks )
4120 {
4121     EbmlElement *el;
4122     unsigned int i;
4123     int i_upper_level = 0;
4124
4125     msg_Dbg( &sys.demuxer, "|   + Tracks" );
4126
4127     /* Master elements */
4128     tracks->Read( es, tracks->Generic().Context, i_upper_level, el, true );
4129
4130     for( i = 0; i < tracks->ListSize(); i++ )
4131     {
4132         EbmlElement *l = (*tracks)[i];
4133
4134         if( MKV_IS_ID( l, KaxTrackEntry ) )
4135         {
4136             ParseTrackEntry( static_cast<KaxTrackEntry *>(l) );
4137         }
4138         else
4139         {
4140             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4141         }
4142     }
4143 }
4144
4145 /*****************************************************************************
4146  * ParseInfo:
4147  *****************************************************************************/
4148 void matroska_segment_c::ParseInfo( KaxInfo *info )
4149 {
4150     EbmlElement *el;
4151     EbmlMaster  *m;
4152     size_t i, j;
4153     int i_upper_level = 0;
4154
4155     msg_Dbg( &sys.demuxer, "|   + Information" );
4156
4157     /* Master elements */
4158     m = static_cast<EbmlMaster *>(info);
4159     m->Read( es, info->Generic().Context, i_upper_level, el, true );
4160
4161     for( i = 0; i < m->ListSize(); i++ )
4162     {
4163         EbmlElement *l = (*m)[i];
4164
4165         if( MKV_IS_ID( l, KaxSegmentUID ) )
4166         {
4167             p_segment_uid = new KaxSegmentUID(*static_cast<KaxSegmentUID*>(l));
4168
4169             msg_Dbg( &sys.demuxer, "|   |   + UID=%d", *(uint32*)p_segment_uid->GetBuffer() );
4170         }
4171         else if( MKV_IS_ID( l, KaxPrevUID ) )
4172         {
4173             p_prev_segment_uid = new KaxPrevUID(*static_cast<KaxPrevUID*>(l));
4174
4175             msg_Dbg( &sys.demuxer, "|   |   + PrevUID=%d", *(uint32*)p_prev_segment_uid->GetBuffer() );
4176         }
4177         else if( MKV_IS_ID( l, KaxNextUID ) )
4178         {
4179             p_next_segment_uid = new KaxNextUID(*static_cast<KaxNextUID*>(l));
4180
4181             msg_Dbg( &sys.demuxer, "|   |   + NextUID=%d", *(uint32*)p_next_segment_uid->GetBuffer() );
4182         }
4183         else if( MKV_IS_ID( l, KaxTimecodeScale ) )
4184         {
4185             KaxTimecodeScale &tcs = *(KaxTimecodeScale*)l;
4186
4187             i_timescale = uint64(tcs);
4188
4189             msg_Dbg( &sys.demuxer, "|   |   + TimecodeScale="I64Fd,
4190                      i_timescale );
4191         }
4192         else if( MKV_IS_ID( l, KaxDuration ) )
4193         {
4194             KaxDuration &dur = *(KaxDuration*)l;
4195
4196             i_duration = mtime_t( double( dur ) );
4197
4198             msg_Dbg( &sys.demuxer, "|   |   + Duration="I64Fd,
4199                      i_duration );
4200         }
4201         else if( MKV_IS_ID( l, KaxMuxingApp ) )
4202         {
4203             KaxMuxingApp &mapp = *(KaxMuxingApp*)l;
4204
4205             psz_muxing_application = UTF8ToStr( UTFstring( mapp ) );
4206
4207             msg_Dbg( &sys.demuxer, "|   |   + Muxing Application=%s",
4208                      psz_muxing_application );
4209         }
4210         else if( MKV_IS_ID( l, KaxWritingApp ) )
4211         {
4212             KaxWritingApp &wapp = *(KaxWritingApp*)l;
4213
4214             psz_writing_application = UTF8ToStr( UTFstring( wapp ) );
4215
4216             msg_Dbg( &sys.demuxer, "|   |   + Writing Application=%s",
4217                      psz_writing_application );
4218         }
4219         else if( MKV_IS_ID( l, KaxSegmentFilename ) )
4220         {
4221             KaxSegmentFilename &sfn = *(KaxSegmentFilename*)l;
4222
4223             psz_segment_filename = UTF8ToStr( UTFstring( sfn ) );
4224
4225             msg_Dbg( &sys.demuxer, "|   |   + Segment Filename=%s",
4226                      psz_segment_filename );
4227         }
4228         else if( MKV_IS_ID( l, KaxTitle ) )
4229         {
4230             KaxTitle &title = *(KaxTitle*)l;
4231
4232             psz_title = UTF8ToStr( UTFstring( title ) );
4233
4234             msg_Dbg( &sys.demuxer, "|   |   + Title=%s", psz_title );
4235         }
4236         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
4237         {
4238             KaxSegmentFamily *uid = static_cast<KaxSegmentFamily*>(l);
4239
4240             families.push_back(*uid);
4241
4242             msg_Dbg( &sys.demuxer, "|   |   + family=%d", *(uint32*)uid->GetBuffer() );
4243         }
4244 #if defined( HAVE_GMTIME_R ) && !defined( SYS_DARWIN )
4245         else if( MKV_IS_ID( l, KaxDateUTC ) )
4246         {
4247             KaxDateUTC &date = *(KaxDateUTC*)l;
4248             time_t i_date;
4249             struct tm tmres;
4250             char   buffer[256];
4251
4252             i_date = date.GetEpochDate();
4253             memset( buffer, 0, 256 );
4254             if( gmtime_r( &i_date, &tmres ) &&
4255                 asctime_r( &tmres, buffer ) )
4256             {
4257                 buffer[strlen( buffer)-1]= '\0';
4258                 psz_date_utc = strdup( buffer );
4259                 msg_Dbg( &sys.demuxer, "|   |   + Date=%s", psz_date_utc );
4260             }
4261         }
4262 #endif
4263 #if LIBMATROSKA_VERSION >= 0x000704
4264         else if( MKV_IS_ID( l, KaxChapterTranslate ) )
4265         {
4266             KaxChapterTranslate *p_trans = static_cast<KaxChapterTranslate*>( l );
4267             chapter_translation_c *p_translate = new chapter_translation_c();
4268
4269             p_trans->Read( es, p_trans->Generic().Context, i_upper_level, el, true );
4270             for( j = 0; j < p_trans->ListSize(); j++ )
4271             {
4272                 EbmlElement *l = (*p_trans)[j];
4273
4274                 if( MKV_IS_ID( l, KaxChapterTranslateEditionUID ) )
4275                 {
4276                     p_translate->editions.push_back( uint64( *static_cast<KaxChapterTranslateEditionUID*>( l ) ) );
4277                 }
4278                 else if( MKV_IS_ID( l, KaxChapterTranslateCodec ) )
4279                 {
4280                     p_translate->codec_id = uint32( *static_cast<KaxChapterTranslateCodec*>( l ) );
4281                 }
4282                 else if( MKV_IS_ID( l, KaxChapterTranslateID ) )
4283                 {
4284                     p_translate->p_translated = new KaxChapterTranslateID( *static_cast<KaxChapterTranslateID*>( l ) );
4285                 }
4286             }
4287
4288             translations.push_back( p_translate );
4289         }
4290 #endif
4291         else
4292         {
4293             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4294         }
4295     }
4296
4297     double f_dur = double(i_duration) * double(i_timescale) / 1000000.0;
4298     i_duration = mtime_t(f_dur);
4299 }
4300
4301
4302 /*****************************************************************************
4303  * ParseChapterAtom
4304  *****************************************************************************/
4305 void matroska_segment_c::ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters )
4306 {
4307     size_t i, j;
4308
4309     msg_Dbg( &sys.demuxer, "|   |   |   + ChapterAtom (level=%d)", i_level );
4310     for( i = 0; i < ca->ListSize(); i++ )
4311     {
4312         EbmlElement *l = (*ca)[i];
4313
4314         if( MKV_IS_ID( l, KaxChapterUID ) )
4315         {
4316             chapters.i_uid = uint64_t(*(KaxChapterUID*)l);
4317             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterUID: %lld", chapters.i_uid );
4318         }
4319         else if( MKV_IS_ID( l, KaxChapterFlagHidden ) )
4320         {
4321             KaxChapterFlagHidden &flag =*(KaxChapterFlagHidden*)l;
4322             chapters.b_display_seekpoint = uint8( flag ) == 0;
4323
4324             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterFlagHidden: %s", chapters.b_display_seekpoint ? "no":"yes" );
4325         }
4326         else if( MKV_IS_ID( l, KaxChapterTimeStart ) )
4327         {
4328             KaxChapterTimeStart &start =*(KaxChapterTimeStart*)l;
4329             chapters.i_start_time = uint64( start ) / I64C(1000);
4330
4331             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeStart: %lld", chapters.i_start_time );
4332         }
4333         else if( MKV_IS_ID( l, KaxChapterTimeEnd ) )
4334         {
4335             KaxChapterTimeEnd &end =*(KaxChapterTimeEnd*)l;
4336             chapters.i_end_time = uint64( end ) / I64C(1000);
4337
4338             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeEnd: %lld", chapters.i_end_time );
4339         }
4340         else if( MKV_IS_ID( l, KaxChapterDisplay ) )
4341         {
4342             EbmlMaster *cd = static_cast<EbmlMaster *>(l);
4343
4344             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterDisplay" );
4345             for( j = 0; j < cd->ListSize(); j++ )
4346             {
4347                 EbmlElement *l= (*cd)[j];
4348
4349                 if( MKV_IS_ID( l, KaxChapterString ) )
4350                 {
4351                     int k;
4352
4353                     KaxChapterString &name =*(KaxChapterString*)l;
4354                     for (k = 0; k < i_level; k++)
4355                         chapters.psz_name += '+';
4356                     chapters.psz_name += ' ';
4357                     chapters.psz_name += UTF8ToStr( UTFstring( name ) );
4358                     chapters.b_user_display = true;
4359
4360                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterString '%s'", UTF8ToStr(UTFstring(name)) );
4361                 }
4362                 else if( MKV_IS_ID( l, KaxChapterLanguage ) )
4363                 {
4364                     KaxChapterLanguage &lang =*(KaxChapterLanguage*)l;
4365                     const char *psz = string( lang ).c_str();
4366
4367                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterLanguage '%s'", psz );
4368                 }
4369                 else if( MKV_IS_ID( l, KaxChapterCountry ) )
4370                 {
4371                     KaxChapterCountry &ct =*(KaxChapterCountry*)l;
4372                     const char *psz = string( ct ).c_str();
4373
4374                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterCountry '%s'", psz );
4375                 }
4376             }
4377         }
4378         else if( MKV_IS_ID( l, KaxChapterProcess ) )
4379         {
4380             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterProcess" );
4381
4382             KaxChapterProcess *cp = static_cast<KaxChapterProcess *>(l);
4383             chapter_codec_cmds_c *p_ccodec = NULL;
4384
4385             for( j = 0; j < cp->ListSize(); j++ )
4386             {
4387                 EbmlElement *k= (*cp)[j];
4388
4389                 if( MKV_IS_ID( k, KaxChapterProcessCodecID ) )
4390                 {
4391                     KaxChapterProcessCodecID *p_codec_id = static_cast<KaxChapterProcessCodecID*>( k );
4392                     if ( uint32(*p_codec_id) == 0 )
4393                         p_ccodec = new matroska_script_codec_c( sys );
4394                     else if ( uint32(*p_codec_id) == 1 )
4395                         p_ccodec = new dvd_chapter_codec_c( sys );
4396                     break;
4397                 }
4398             }
4399
4400             if ( p_ccodec != NULL )
4401             {
4402                 for( j = 0; j < cp->ListSize(); j++ )
4403                 {
4404                     EbmlElement *k= (*cp)[j];
4405
4406                     if( MKV_IS_ID( k, KaxChapterProcessPrivate ) )
4407                     {
4408                         KaxChapterProcessPrivate * p_private = static_cast<KaxChapterProcessPrivate*>( k );
4409                         p_ccodec->SetPrivate( *p_private );
4410                     }
4411                     else if( MKV_IS_ID( k, KaxChapterProcessCommand ) )
4412                     {
4413                         p_ccodec->AddCommand( *static_cast<KaxChapterProcessCommand*>( k ) );
4414                     }
4415                 }
4416                 chapters.codecs.push_back( p_ccodec );
4417             }
4418         }
4419         else if( MKV_IS_ID( l, KaxChapterAtom ) )
4420         {
4421             chapter_item_c *new_sub_chapter = new chapter_item_c();
4422             ParseChapterAtom( i_level+1, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4423             new_sub_chapter->psz_parent = &chapters;
4424             chapters.sub_chapters.push_back( new_sub_chapter );
4425         }
4426     }
4427 }
4428
4429 /*****************************************************************************
4430  * ParseChapters:
4431  *****************************************************************************/
4432 void matroska_segment_c::ParseChapters( KaxChapters *chapters )
4433 {
4434     EbmlElement *el;
4435     size_t i;
4436     int i_upper_level = 0;
4437     mtime_t i_dur;
4438
4439     /* Master elements */
4440     chapters->Read( es, chapters->Generic().Context, i_upper_level, el, true );
4441
4442     for( i = 0; i < chapters->ListSize(); i++ )
4443     {
4444         EbmlElement *l = (*chapters)[i];
4445
4446         if( MKV_IS_ID( l, KaxEditionEntry ) )
4447         {
4448             chapter_edition_c *p_edition = new chapter_edition_c();
4449
4450             EbmlMaster *E = static_cast<EbmlMaster *>(l );
4451             size_t j;
4452             msg_Dbg( &sys.demuxer, "|   |   + EditionEntry" );
4453             for( j = 0; j < E->ListSize(); j++ )
4454             {
4455                 EbmlElement *l = (*E)[j];
4456
4457                 if( MKV_IS_ID( l, KaxChapterAtom ) )
4458                 {
4459                     chapter_item_c *new_sub_chapter = new chapter_item_c();
4460                     ParseChapterAtom( 0, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4461                     p_edition->sub_chapters.push_back( new_sub_chapter );
4462                 }
4463                 else if( MKV_IS_ID( l, KaxEditionUID ) )
4464                 {
4465                     p_edition->i_uid = uint64(*static_cast<KaxEditionUID *>( l ));
4466                 }
4467                 else if( MKV_IS_ID( l, KaxEditionFlagOrdered ) )
4468                 {
4469                     p_edition->b_ordered = config_GetInt( &sys.demuxer, "mkv-use-ordered-chapters" ) ? (uint8(*static_cast<KaxEditionFlagOrdered *>( l )) != 0) : 0;
4470                 }
4471                 else if( MKV_IS_ID( l, KaxEditionFlagDefault ) )
4472                 {
4473                     if (uint8(*static_cast<KaxEditionFlagDefault *>( l )) != 0)
4474                         i_default_edition = stored_editions.size();
4475                 }
4476                 else
4477                 {
4478                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
4479                 }
4480             }
4481             stored_editions.push_back( p_edition );
4482         }
4483         else
4484         {
4485             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4486         }
4487     }
4488
4489     for( i = 0; i < stored_editions.size(); i++ )
4490     {
4491         stored_editions[i]->RefreshChapters( );
4492     }
4493
4494     if ( stored_editions[i_default_edition]->b_ordered )
4495     {
4496         /* update the duration of the segment according to the sum of all sub chapters */
4497         i_dur = stored_editions[i_default_edition]->Duration() / I64C(1000);
4498         if (i_dur > 0)
4499             i_duration = i_dur;
4500     }
4501 }
4502
4503 void matroska_segment_c::ParseCluster( )
4504 {
4505     EbmlElement *el;
4506     EbmlMaster  *m;
4507     unsigned int i;
4508     int i_upper_level = 0;
4509
4510     /* Master elements */
4511     m = static_cast<EbmlMaster *>( cluster );
4512     m->Read( es, cluster->Generic().Context, i_upper_level, el, true );
4513
4514     for( i = 0; i < m->ListSize(); i++ )
4515     {
4516         EbmlElement *l = (*m)[i];
4517
4518         if( MKV_IS_ID( l, KaxClusterTimecode ) )
4519         {
4520             KaxClusterTimecode &ctc = *(KaxClusterTimecode*)l;
4521
4522             cluster->InitTimecode( uint64( ctc ), i_timescale );
4523             break;
4524         }
4525     }
4526
4527     i_start_time = cluster->GlobalTimecode() / 1000;
4528 }
4529
4530 /*****************************************************************************
4531  * InformationCreate:
4532  *****************************************************************************/
4533 void matroska_segment_c::InformationCreate( )
4534 {
4535     size_t      i_track;
4536
4537     sys.meta = vlc_meta_New();
4538
4539     if( psz_title )
4540     {
4541         vlc_meta_Add( sys.meta, VLC_META_TITLE, psz_title );
4542     }
4543     if( psz_date_utc )
4544     {
4545         vlc_meta_Add( sys.meta, VLC_META_DATE, psz_date_utc );
4546     }
4547     if( psz_segment_filename )
4548     {
4549         vlc_meta_Add( sys.meta, _("Segment filename"), psz_segment_filename );
4550     }
4551     if( psz_muxing_application )
4552     {
4553         vlc_meta_Add( sys.meta, _("Muxing application"), psz_muxing_application );
4554     }
4555     if( psz_writing_application )
4556     {
4557         vlc_meta_Add( sys.meta, _("Writing application"), psz_writing_application );
4558     }
4559
4560     for( i_track = 0; i_track < tracks.size(); i_track++ )
4561     {
4562         mkv_track_t *tk = tracks[i_track];
4563         vlc_meta_t *mtk = vlc_meta_New();
4564
4565         sys.meta->track = (vlc_meta_t**)realloc( sys.meta->track,
4566                                                     sizeof( vlc_meta_t * ) * ( sys.meta->i_track + 1 ) );
4567         sys.meta->track[sys.meta->i_track++] = mtk;
4568
4569         if( tk->fmt.psz_description )
4570         {
4571             vlc_meta_Add( sys.meta, VLC_META_DESCRIPTION, tk->fmt.psz_description );
4572         }
4573         if( tk->psz_codec_name )
4574         {
4575             vlc_meta_Add( sys.meta, VLC_META_CODEC_NAME, tk->psz_codec_name );
4576         }
4577         if( tk->psz_codec_settings )
4578         {
4579             vlc_meta_Add( sys.meta, VLC_META_SETTING, tk->psz_codec_settings );
4580         }
4581         if( tk->psz_codec_info_url )
4582         {
4583             vlc_meta_Add( sys.meta, VLC_META_CODEC_DESCRIPTION, tk->psz_codec_info_url );
4584         }
4585         if( tk->psz_codec_download_url )
4586         {
4587             vlc_meta_Add( sys.meta, VLC_META_URL, tk->psz_codec_download_url );
4588         }
4589     }
4590
4591     if( i_tags_position >= 0 )
4592     {
4593         vlc_bool_t b_seekable;
4594
4595         stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
4596         if( b_seekable )
4597         {
4598             LoadTags( );
4599         }
4600     }
4601 }
4602
4603
4604 /*****************************************************************************
4605  * Divers
4606  *****************************************************************************/
4607
4608 void matroska_segment_c::IndexAppendCluster( KaxCluster *cluster )
4609 {
4610 #define idx p_indexes[i_index]
4611     idx.i_track       = -1;
4612     idx.i_block_number= -1;
4613     idx.i_position    = cluster->GetElementPosition();
4614     idx.i_time        = -1;
4615     idx.b_key         = VLC_TRUE;
4616
4617     i_index++;
4618     if( i_index >= i_index_max )
4619     {
4620         i_index_max += 1024;
4621         p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
4622     }
4623 #undef idx
4624 }
4625
4626 static char * UTF8ToStr( const UTFstring &u )
4627 {
4628     int     i_src;
4629     const wchar_t *src;
4630     char *dst, *p;
4631
4632     i_src = u.length();
4633     src   = u.c_str();
4634
4635     p = dst = (char*)malloc( i_src + 1);
4636     while( i_src > 0 )
4637     {
4638         if( *src < 255 )
4639         {
4640             *p++ = (char)*src;
4641         }
4642         else
4643         {
4644             *p++ = '?';
4645         }
4646         src++;
4647         i_src--;
4648     }
4649     *p++= '\0';
4650
4651     return dst;
4652 }
4653
4654 void chapter_edition_c::RefreshChapters( )
4655 {
4656     chapter_item_c::RefreshChapters( b_ordered, -1 );
4657     b_display_seekpoint = false;
4658 }
4659
4660 int64_t chapter_item_c::RefreshChapters( bool b_ordered, int64_t i_prev_user_time )
4661 {
4662     int64_t i_user_time = i_prev_user_time;
4663
4664     // first the sub-chapters, and then ourself
4665     std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
4666     while ( index != sub_chapters.end() )
4667     {
4668         i_user_time = (*index)->RefreshChapters( b_ordered, i_user_time );
4669         index++;
4670     }
4671
4672     if ( b_ordered )
4673     {
4674         // the ordered chapters always start at zero
4675         if ( i_prev_user_time == -1 )
4676         {
4677             if ( i_user_time == -1 )
4678                 i_user_time = 0;
4679             i_prev_user_time = 0;
4680         }
4681
4682         i_user_start_time = i_prev_user_time;
4683         if ( i_end_time != -1 && i_user_time == i_prev_user_time )
4684         {
4685             i_user_end_time = i_user_start_time - i_start_time + i_end_time;
4686         }
4687         else
4688         {
4689             i_user_end_time = i_user_time;
4690         }
4691     }
4692     else
4693     {
4694         std::sort( sub_chapters.begin(), sub_chapters.end() );
4695         i_user_start_time = i_start_time;
4696         if ( i_end_time != -1 )
4697             i_user_end_time = i_end_time;
4698         else if ( i_user_time != -1 )
4699             i_user_end_time = i_user_time;
4700         else
4701             i_user_end_time = i_user_start_time;
4702     }
4703
4704     return i_user_end_time;
4705 }
4706
4707 mtime_t chapter_edition_c::Duration() const
4708 {
4709     mtime_t i_result = 0;
4710
4711     if ( sub_chapters.size() )
4712     {
4713         std::vector<chapter_item_c*>::const_iterator index = sub_chapters.end();
4714         index--;
4715         i_result = (*index)->i_user_end_time;
4716     }
4717
4718     return i_result;
4719 }
4720
4721 chapter_item_c *chapter_item_c::FindTimecode( mtime_t i_user_timecode )
4722 {
4723     chapter_item_c *psz_result = NULL;
4724
4725     if ( i_user_timecode >= i_user_start_time &&
4726         ( i_user_timecode < i_user_end_time ||
4727           ( i_user_start_time == i_user_end_time && i_user_timecode == i_user_end_time )))
4728     {
4729         std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
4730         while ( index != sub_chapters.end() && psz_result == NULL )
4731         {
4732             psz_result = (*index)->FindTimecode( i_user_timecode );
4733             index++;
4734         }
4735
4736         if ( psz_result == NULL )
4737             psz_result = this;
4738     }
4739
4740     return psz_result;
4741 }
4742
4743 bool chapter_item_c::ParentOf( const chapter_item_c & item ) const
4744 {
4745     if ( &item == this )
4746         return true;
4747
4748     std::vector<chapter_item_c*>::const_iterator index = sub_chapters.begin();
4749     while ( index != sub_chapters.end() )
4750     {
4751         if ( (*index)->ParentOf( item ) )
4752             return true;
4753         index++;
4754     }
4755
4756     return false;
4757 }
4758
4759 void demux_sys_t::PreloadFamily( const matroska_segment_c & of_segment )
4760 {
4761     for (size_t i=0; i<opened_segments.size(); i++)
4762     {
4763         opened_segments[i]->PreloadFamily( of_segment );
4764     }
4765 }
4766 bool matroska_segment_c::PreloadFamily( const matroska_segment_c & of_segment )
4767 {
4768     if ( b_preloaded )
4769         return false;
4770
4771     for (size_t i=0; i<families.size(); i++)
4772     {
4773         for (size_t j=0; j<of_segment.families.size(); j++)
4774         {
4775             if ( families[i] == of_segment.families[j] )
4776                 return Preload( );
4777         }
4778     }
4779
4780     return false;
4781 }
4782
4783 // preload all the linked segments for all preloaded segments
4784 void demux_sys_t::PreloadLinked( matroska_segment_c *p_segment )
4785 {
4786     size_t i_preloaded, i, j;
4787     virtual_segment_c *p_seg;
4788
4789     p_current_segment = VirtualFromSegments( p_segment );
4790
4791     used_segments.push_back( p_current_segment );
4792
4793     // create all the other virtual segments of the family
4794     do {
4795         i_preloaded = 0;
4796         for ( i=0; i< opened_segments.size(); i++ )
4797         {
4798             if ( opened_segments[i]->b_preloaded && !IsUsedSegment( *opened_segments[i] ) )
4799             {
4800                 p_seg = VirtualFromSegments( opened_segments[i] );
4801                 used_segments.push_back( p_seg );
4802                 i_preloaded++;
4803             }
4804         }
4805     } while ( i_preloaded ); // worst case: will stop when all segments are found as family related
4806
4807     // publish all editions of all usable segment
4808     for ( i=0; i< used_segments.size(); i++ )
4809     {
4810         p_seg = used_segments[i];
4811         if ( p_seg->p_editions != NULL )
4812         {
4813             std::string sz_name;
4814             input_title_t *p_title = vlc_input_title_New();
4815             p_seg->i_sys_title = i;
4816             int i_chapters;
4817
4818             // TODO use a name for each edition, let the TITLE deal with a codec name
4819             for ( j=0; j<p_seg->p_editions->size(); j++ )
4820             {
4821                 if ( p_title->psz_name == NULL )
4822                 {
4823                     sz_name = (*p_seg->p_editions)[j]->GetMainName();
4824                     if ( sz_name != "" )
4825                         p_title->psz_name = strdup( sz_name.c_str() );
4826                 }
4827
4828                 chapter_edition_c *p_edition = (*p_seg->p_editions)[j];
4829
4830                 i_chapters = 0;
4831                 p_edition->PublishChapters( *p_title, i_chapters, 0 );
4832             }
4833
4834             // create a name if there is none
4835             if ( p_title->psz_name == NULL )
4836             {
4837                 sz_name = N_("Segment ");
4838                 char psz_str[6];
4839                 sprintf( psz_str, "%d", i );
4840                 sz_name += psz_str;
4841                 p_title->psz_name = strdup( sz_name.c_str() );
4842             }
4843
4844             titles.push_back( p_title );
4845         }
4846     }
4847
4848     // TODO decide which segment should be first used (VMG for DVD)
4849 }
4850
4851 bool demux_sys_t::IsUsedSegment( matroska_segment_c &segment ) const
4852 {
4853     for ( size_t i=0; i< used_segments.size(); i++ )
4854     {
4855         if ( used_segments[i]->FindUID( *segment.p_segment_uid ) )
4856             return true;
4857     }
4858     return false;
4859 }
4860
4861 virtual_segment_c *demux_sys_t::VirtualFromSegments( matroska_segment_c *p_segment ) const
4862 {
4863     size_t i_preloaded, i;
4864
4865     virtual_segment_c *p_result = new virtual_segment_c( p_segment );
4866
4867     // fill our current virtual segment with all hard linked segments
4868     do {
4869         i_preloaded = 0;
4870         for ( i=0; i< opened_segments.size(); i++ )
4871         {
4872             i_preloaded += p_result->AddSegment( opened_segments[i] );
4873         }
4874     } while ( i_preloaded ); // worst case: will stop when all segments are found as linked
4875
4876     p_result->Sort( );
4877
4878     p_result->PreloadLinked( );
4879
4880     p_result->PrepareChapters( );
4881
4882     return p_result;
4883 }
4884
4885 bool demux_sys_t::PreparePlayback( virtual_segment_c *p_new_segment )
4886 {
4887     if ( p_new_segment != NULL && p_new_segment != p_current_segment )
4888     {
4889         if ( p_current_segment != NULL && p_current_segment->Segment() != NULL )
4890             p_current_segment->Segment()->UnSelect();
4891
4892         p_current_segment = p_new_segment;
4893         i_current_title = p_new_segment->i_sys_title;
4894     }
4895
4896     p_current_segment->LoadCues();
4897     f_duration = p_current_segment->Duration();
4898
4899     /* add information */
4900     p_current_segment->Segment()->InformationCreate( );
4901
4902     p_current_segment->Segment()->Select( 0 );
4903
4904     return true;
4905 }
4906
4907 void demux_sys_t::JumpTo( virtual_segment_c & vsegment, chapter_item_c * p_chapter )
4908 {
4909     // if the segment is not part of the current segment, select the new one
4910     if ( &vsegment != p_current_segment )
4911     {
4912         PreparePlayback( &vsegment );
4913     }
4914
4915     if ( p_chapter != NULL )
4916     {
4917         if ( !p_chapter->Enter( true ) )
4918         {
4919             // jump to the location in the found segment
4920             vsegment.Seek( demuxer, p_chapter->i_user_start_time, -1, NULL );
4921         }
4922     }
4923
4924 }
4925
4926 bool matroska_segment_c::CompareSegmentUIDs( const matroska_segment_c * p_item_a, const matroska_segment_c * p_item_b )
4927 {
4928     EbmlBinary * p_itema = (EbmlBinary *)(p_item_a->p_segment_uid);
4929     if ( *p_itema == *p_item_b->p_prev_segment_uid )
4930         return true;
4931
4932     p_itema = (EbmlBinary *)(&p_item_a->p_next_segment_uid);
4933     if ( *p_itema == *p_item_b->p_segment_uid )
4934         return true;
4935
4936     if ( *p_itema == *p_item_b->p_prev_segment_uid )
4937         return true;
4938
4939     return false;
4940 }
4941
4942 bool matroska_segment_c::Preload( )
4943 {
4944     if ( b_preloaded )
4945         return false;
4946
4947     EbmlElement *el = NULL;
4948
4949     ep->Reset( &sys.demuxer );
4950
4951     while( ( el = ep->Get() ) != NULL )
4952     {
4953         if( MKV_IS_ID( el, KaxInfo ) )
4954         {
4955             ParseInfo( static_cast<KaxInfo*>( el ) );
4956         }
4957         else if( MKV_IS_ID( el, KaxTracks ) )
4958         {
4959             ParseTracks( static_cast<KaxTracks*>( el ) );
4960         }
4961         else if( MKV_IS_ID( el, KaxSeekHead ) )
4962         {
4963             ParseSeekHead( static_cast<KaxSeekHead*>( el ) );
4964         }
4965         else if( MKV_IS_ID( el, KaxCues ) )
4966         {
4967             msg_Dbg( &sys.demuxer, "|   + Cues" );
4968         }
4969         else if( MKV_IS_ID( el, KaxCluster ) )
4970         {
4971             msg_Dbg( &sys.demuxer, "|   + Cluster" );
4972
4973             cluster = (KaxCluster*)el;
4974
4975             i_start_pos = cluster->GetElementPosition();
4976             ParseCluster( );
4977
4978             ep->Down();
4979             /* stop parsing the stream */
4980             break;
4981         }
4982         else if( MKV_IS_ID( el, KaxAttachments ) )
4983         {
4984             msg_Dbg( &sys.demuxer, "|   + Attachments FIXME (but probably never supported)" );
4985         }
4986         else if( MKV_IS_ID( el, KaxChapters ) )
4987         {
4988             msg_Dbg( &sys.demuxer, "|   + Chapters" );
4989             ParseChapters( static_cast<KaxChapters*>( el ) );
4990         }
4991         else if( MKV_IS_ID( el, KaxTag ) )
4992         {
4993             msg_Dbg( &sys.demuxer, "|   + Tags FIXME TODO" );
4994         }
4995         else
4996         {
4997             msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid(*el).name() );
4998         }
4999     }
5000
5001     b_preloaded = true;
5002
5003     return true;
5004 }
5005
5006 matroska_segment_c *demux_sys_t::FindSegment( const EbmlBinary & uid ) const
5007 {
5008     for (size_t i=0; i<opened_segments.size(); i++)
5009     {
5010         if ( *opened_segments[i]->p_segment_uid == uid )
5011             return opened_segments[i];
5012     }
5013     return NULL;
5014 }
5015
5016 chapter_item_c *demux_sys_t::BrowseCodecPrivate( unsigned int codec_id,
5017                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
5018                                         const void *p_cookie,
5019                                         size_t i_cookie_size,
5020                                         virtual_segment_c * &p_segment_found )
5021 {
5022     chapter_item_c *p_result = NULL;
5023     for (size_t i=0; i<used_segments.size(); i++)
5024     {
5025         p_result = used_segments[i]->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
5026         if ( p_result != NULL )
5027         {
5028             p_segment_found = used_segments[i];
5029             break;
5030         }
5031     }
5032     return p_result;
5033 }
5034
5035 chapter_item_c *demux_sys_t::FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found )
5036 {
5037     chapter_item_c *p_result = NULL;
5038     for (size_t i=0; i<used_segments.size(); i++)
5039     {
5040         p_result = used_segments[i]->FindChapter( i_find_uid );
5041         if ( p_result != NULL )
5042         {
5043             p_segment_found = used_segments[i];
5044             break;
5045         }
5046     }
5047     return p_result;
5048 }
5049
5050 void virtual_segment_c::Sort()
5051 {
5052     // keep the current segment index
5053     matroska_segment_c *p_segment = linked_segments[i_current_segment];
5054
5055     std::sort( linked_segments.begin(), linked_segments.end(), matroska_segment_c::CompareSegmentUIDs );
5056
5057     for ( i_current_segment=0; i_current_segment<linked_segments.size(); i_current_segment++)
5058         if ( linked_segments[i_current_segment] == p_segment )
5059             break;
5060 }
5061
5062 size_t virtual_segment_c::AddSegment( matroska_segment_c *p_segment )
5063 {
5064     size_t i;
5065     // check if it's not already in here
5066     for ( i=0; i<linked_segments.size(); i++ )
5067     {
5068         if ( *p_segment->p_segment_uid == *linked_segments[i]->p_segment_uid )
5069             return 0;
5070     }
5071
5072     // find possible mates
5073     for ( i=0; i<linked_uids.size(); i++ )
5074     {
5075         if (   (p_segment->p_segment_uid != NULL && *p_segment->p_segment_uid == linked_uids[i])
5076             || (p_segment->p_prev_segment_uid != NULL && *p_segment->p_prev_segment_uid == linked_uids[i])
5077             || (p_segment->p_next_segment_uid !=NULL && *p_segment->p_next_segment_uid == linked_uids[i]) )
5078         {
5079             linked_segments.push_back( p_segment );
5080
5081             AppendUID( p_segment->p_prev_segment_uid );
5082             AppendUID( p_segment->p_next_segment_uid );
5083
5084             return 1;
5085         }
5086     }
5087     return 0;
5088 }
5089
5090 void virtual_segment_c::PreloadLinked( )
5091 {
5092     for ( size_t i=0; i<linked_segments.size(); i++ )
5093     {
5094         linked_segments[i]->Preload( );
5095     }
5096     i_current_edition = linked_segments[0]->i_default_edition;
5097 }
5098
5099 mtime_t virtual_segment_c::Duration() const
5100 {
5101     mtime_t i_duration;
5102     if ( linked_segments.size() == 0 )
5103         i_duration = 0;
5104     else {
5105         matroska_segment_c *p_last_segment = linked_segments[linked_segments.size()-1];
5106 //        p_last_segment->ParseCluster( );
5107
5108         i_duration = p_last_segment->i_start_time / 1000 + p_last_segment->i_duration;
5109     }
5110     return i_duration;
5111 }
5112
5113 void virtual_segment_c::LoadCues( )
5114 {
5115     for ( size_t i=0; i<linked_segments.size(); i++ )
5116     {
5117         linked_segments[i]->LoadCues();
5118     }
5119 }
5120
5121 void virtual_segment_c::AppendUID( const EbmlBinary * p_UID )
5122 {
5123     if ( p_UID == NULL )
5124         return;
5125     if ( p_UID->GetBuffer() == NULL )
5126         return;
5127
5128     for (size_t i=0; i<linked_uids.size(); i++)
5129     {
5130         if ( *p_UID == linked_uids[i] )
5131             return;
5132     }
5133     linked_uids.push_back( *(KaxSegmentUID*)(p_UID) );
5134 }
5135
5136 void matroska_segment_c::Seek( mtime_t i_date, mtime_t i_time_offset )
5137 {
5138     KaxBlock    *block;
5139     int         i_track_skipping;
5140     int64_t     i_block_duration;
5141     int64_t     i_block_ref1;
5142     int64_t     i_block_ref2;
5143     size_t      i_track;
5144     int64_t     i_seek_position = i_start_pos;
5145     int64_t     i_seek_time = i_start_time;
5146
5147     if ( i_index > 0 )
5148     {
5149         int i_idx = 0;
5150
5151         for( ; i_idx < i_index; i_idx++ )
5152         {
5153             if( p_indexes[i_idx].i_time + i_time_offset > i_date )
5154             {
5155                 break;
5156             }
5157         }
5158
5159         if( i_idx > 0 )
5160         {
5161             i_idx--;
5162         }
5163
5164         i_seek_position = p_indexes[i_idx].i_position;
5165         i_seek_time = p_indexes[i_idx].i_time;
5166     }
5167
5168     msg_Dbg( &sys.demuxer, "seek got "I64Fd" (%d%%)",
5169                 i_seek_time, (int)( 100 * i_seek_position / stream_Size( sys.demuxer.s ) ) );
5170
5171     es.I_O().setFilePointer( i_seek_position, seek_beginning );
5172
5173     delete ep;
5174     ep = new EbmlParser( &es, segment, &sys.demuxer );
5175     cluster = NULL;
5176
5177     sys.i_start_pts = i_date;
5178
5179     es_out_Control( sys.demuxer.out, ES_OUT_RESET_PCR );
5180
5181     /* now parse until key frame */
5182     i_track_skipping = 0;
5183     for( i_track = 0; i_track < tracks.size(); i_track++ )
5184     {
5185         if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5186         {
5187             tracks[i_track]->b_search_keyframe = VLC_TRUE;
5188             i_track_skipping++;
5189         }
5190         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_date );
5191     }
5192
5193
5194     while( i_track_skipping > 0 )
5195     {
5196         if( BlockGet( &block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
5197         {
5198             msg_Warn( &sys.demuxer, "cannot get block EOF?" );
5199
5200             return;
5201         }
5202
5203         for( i_track = 0; i_track < tracks.size(); i_track++ )
5204         {
5205             if( tracks[i_track]->i_number == block->TrackNum() )
5206             {
5207                 break;
5208             }
5209         }
5210
5211         sys.i_pts = sys.i_chapter_time + block->GlobalTimecode() / (mtime_t) 1000;
5212
5213         if( i_track < tracks.size() )
5214         {
5215             if( sys.i_pts >= sys.i_start_pts )
5216             {
5217                 BlockDecode( &sys.demuxer, block, sys.i_pts, 0 );
5218                 i_track_skipping = 0;
5219             }
5220             else if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5221             {
5222                 if( i_block_ref1 == -1 && tracks[i_track]->b_search_keyframe )
5223                 {
5224                     tracks[i_track]->b_search_keyframe = VLC_FALSE;
5225                     i_track_skipping--;
5226                 }
5227                 if( !tracks[i_track]->b_search_keyframe )
5228                 {
5229                     BlockDecode( &sys.demuxer, block, sys.i_pts, 0 );
5230                 }
5231             }
5232         }
5233
5234         delete block;
5235     }
5236 }
5237
5238 void virtual_segment_c::Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter )
5239 {
5240     demux_sys_t *p_sys = demuxer.p_sys;
5241     size_t i;
5242
5243     // find the actual time for an ordered edition
5244     if ( psz_chapter == NULL )
5245     {
5246         if ( Edition() && Edition()->b_ordered )
5247         {
5248             /* 1st, we need to know in which chapter we are */
5249             psz_chapter = (*p_editions)[i_current_edition]->FindTimecode( i_date );
5250         }
5251     }
5252
5253     if ( psz_chapter != NULL )
5254     {
5255         psz_current_chapter = psz_chapter;
5256         p_sys->i_chapter_time = i_time_offset = psz_chapter->i_user_start_time - psz_chapter->i_start_time;
5257         if ( psz_chapter->i_seekpoint_num > 0 )
5258         {
5259             demuxer.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
5260             demuxer.info.i_title = p_sys->i_current_title = i_sys_title;
5261             demuxer.info.i_seekpoint = psz_chapter->i_seekpoint_num - 1;
5262         }
5263     }
5264
5265     // find the best matching segment
5266     for ( i=0; i<linked_segments.size(); i++ )
5267     {
5268         if ( i_date < linked_segments[i]->i_start_time )
5269             break;
5270     }
5271
5272     if ( i > 0 )
5273         i--;
5274
5275     if ( i_current_segment != i  )
5276     {
5277         linked_segments[i_current_segment]->UnSelect();
5278         linked_segments[i]->Select( i_date );
5279         i_current_segment = i;
5280     }
5281
5282     linked_segments[i]->Seek( i_date, i_time_offset );
5283 }
5284
5285 void chapter_codec_cmds_c::AddCommand( const KaxChapterProcessCommand & command )
5286 {
5287     size_t i;
5288
5289     uint32 codec_time = uint32(-1);
5290     for( i = 0; i < command.ListSize(); i++ )
5291     {
5292         const EbmlElement *k = command[i];
5293
5294         if( MKV_IS_ID( k, KaxChapterProcessTime ) )
5295         {
5296             codec_time = uint32( *static_cast<const KaxChapterProcessTime*>( k ) );
5297             break;
5298         }
5299     }
5300
5301     for( i = 0; i < command.ListSize(); i++ )
5302     {
5303         const EbmlElement *k = command[i];
5304
5305         if( MKV_IS_ID( k, KaxChapterProcessData ) )
5306         {
5307             KaxChapterProcessData *p_data =  new KaxChapterProcessData( *static_cast<const KaxChapterProcessData*>( k ) );
5308             switch ( codec_time )
5309             {
5310             case 0:
5311                 during_cmds.push_back( p_data );
5312                 break;
5313             case 1:
5314                 enter_cmds.push_back( p_data );
5315                 break;
5316             case 2:
5317                 leave_cmds.push_back( p_data );
5318                 break;
5319             default:
5320                 delete p_data;
5321             }
5322         }
5323     }
5324 }
5325
5326 bool chapter_item_c::Enter( bool b_do_subs )
5327 {
5328     bool f_result = false;
5329     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5330     while ( index != codecs.end() )
5331     {
5332         f_result |= (*index)->Enter();
5333         index++;
5334     }
5335
5336     if ( b_do_subs )
5337     {
5338         // sub chapters
5339         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5340         while ( index_ != sub_chapters.end() )
5341         {
5342             f_result |= (*index_)->Enter( true );
5343             index_++;
5344         }
5345     }
5346     return f_result;
5347 }
5348
5349 bool chapter_item_c::Leave( bool b_do_subs )
5350 {
5351     bool f_result = false;
5352     b_is_leaving = true;
5353     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5354     while ( index != codecs.end() )
5355     {
5356         f_result |= (*index)->Leave();
5357         index++;
5358     }
5359
5360     if ( b_do_subs )
5361     {
5362         // sub chapters
5363         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5364         while ( index_ != sub_chapters.end() )
5365         {
5366             f_result |= (*index_)->Leave( true );
5367             index_++;
5368         }
5369     }
5370     b_is_leaving = false;
5371     return f_result;
5372 }
5373
5374 bool chapter_item_c::EnterAndLeave( chapter_item_c *p_item )
5375 {
5376     chapter_item_c *p_common_parent = p_item;
5377
5378     // leave, up to a common parent
5379     while ( p_common_parent != NULL && !p_common_parent->ParentOf( *this ) )
5380     {
5381         if ( !p_common_parent->b_is_leaving && p_common_parent->Leave( false ) )
5382             return true;
5383         p_common_parent = p_common_parent->psz_parent;
5384     }
5385
5386     // enter from the parent to <this>
5387     if ( p_common_parent != NULL )
5388     {
5389         do
5390         {
5391             if ( p_common_parent == this )
5392                 return Enter( true );
5393
5394             for ( size_t i = 0; i<p_common_parent->sub_chapters.size(); i++ )
5395             {
5396                 if ( p_common_parent->sub_chapters[i]->ParentOf( *this ) )
5397                 {
5398                     p_common_parent = p_common_parent->sub_chapters[i];
5399                     if ( p_common_parent != this )
5400                         if ( p_common_parent->Enter( false ) )
5401                             return true;
5402
5403                     break;
5404                 }
5405             }
5406         } while ( 1 );
5407     }
5408
5409     return Enter( true );
5410 }
5411
5412 bool dvd_chapter_codec_c::Enter()
5413 {
5414     bool f_result = false;
5415     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
5416     while ( index != enter_cmds.end() )
5417     {
5418         if ( (*index)->GetSize() )
5419         {
5420             binary *p_data = (*index)->GetBuffer();
5421             size_t i_size = *p_data++;
5422             // avoid reading too much from the buffer
5423             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
5424             for ( ; i_size > 0; i_size--, p_data += 8 )
5425             {
5426                 msg_Dbg( &sys.demuxer, "Matroska DVD enter command" );
5427                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5428             }
5429         }
5430         index++;
5431     }
5432     return f_result;
5433 }
5434
5435 bool dvd_chapter_codec_c::Leave()
5436 {
5437     bool f_result = false;
5438     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
5439     while ( index != leave_cmds.end() )
5440     {
5441         if ( (*index)->GetSize() )
5442         {
5443             binary *p_data = (*index)->GetBuffer();
5444             size_t i_size = *p_data++;
5445             // avoid reading too much from the buffer
5446             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
5447             for ( ; i_size > 0; i_size--, p_data += 8 )
5448             {
5449                 msg_Dbg( &sys.demuxer, "Matroska DVD leave command" );
5450                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5451             }
5452         }
5453         index++;
5454     }
5455     return f_result;
5456 }
5457
5458 // see http://www.dvd-replica.com/DVD/vmcmdset.php for a description of DVD commands
5459 bool dvd_command_interpretor_c::Interpret( const binary * p_command, size_t i_size )
5460 {
5461     if ( i_size != 8 )
5462         return false;
5463
5464     virtual_segment_c *p_segment;
5465     chapter_item_c *p_chapter;
5466     bool f_result = false;
5467     uint16 i_command = ( p_command[0] << 8 ) + p_command[1];
5468
5469     // handle register tests if there are some
5470     if ( (i_command & 0xF0) != 0 )
5471     {
5472         bool b_test_positive = (i_command & CMD_DVD_IF_NOT) == 0;
5473         bool b_test_value    = (i_command & CMD_DVD_TEST_VALUE) != 0;
5474         uint8 i_test = i_command & 0x70;
5475         uint16 i_value;
5476
5477         if ( b_test_value )
5478             i_value = ( p_command[4] << 8 ) + p_command[5];
5479         else
5480             i_value = GetPRM( p_command[7] );
5481
5482         switch ( i_test )
5483         {
5484         case CMD_DVD_IF_GPREG_EQUAL:
5485             // if equals
5486             msg_Dbg( &sys.demuxer, "IF %s EQUALS %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5487             if (!( GetPRM( p_command[3] ) == i_value ))
5488             {
5489                 b_test_positive = !b_test_positive;
5490             }
5491             break;
5492         case CMD_DVD_IF_GPREG_INF:
5493             // if inferior
5494             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5495             if (!( GetPRM( p_command[3] ) < i_value ))
5496             {
5497                 b_test_positive = !b_test_positive;
5498             }
5499             break;
5500         case CMD_DVD_IF_GPREG_AND:
5501             // if logical and
5502             msg_Dbg( &sys.demuxer, "IF %s & %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5503             if (!( GetPRM( p_command[3] ) & i_value ))
5504             {
5505                 b_test_positive = !b_test_positive;
5506             }
5507             break;
5508         case CMD_DVD_IF_GPREG_SUP_EQUAL:
5509             // if superior or equal
5510             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5511             if (!( GetPRM( p_command[3] ) >= i_value ))
5512             {
5513                 b_test_positive = !b_test_positive;
5514             }
5515             break;
5516         }
5517
5518         if ( !b_test_positive )
5519             return false;
5520     }
5521
5522     // strip the test command
5523     i_command &= 0xFF0F;
5524
5525     switch ( i_command )
5526     {
5527     case CMD_DVD_NOP:
5528     case CMD_DVD_NOP2:
5529         {
5530             msg_Dbg( &sys.demuxer, "NOP" );
5531             break;
5532         }
5533     case CMD_DVD_BREAK:
5534         {
5535             msg_Dbg( &sys.demuxer, "Break" );
5536             // TODO
5537             break;
5538         }
5539     case CMD_DVD_JUMP_TT:
5540         {
5541             uint8 i_title = p_command[5];
5542             msg_Dbg( &sys.demuxer, "JumpTT %d", i_title );
5543
5544             // find in the ChapProcessPrivate matching this Title level
5545             p_chapter = sys.BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title), p_segment );
5546             if ( p_segment != NULL )
5547             {
5548                 sys.JumpTo( *p_segment, p_chapter );
5549                 f_result = true;
5550             }
5551
5552             break;
5553         }
5554     case CMD_DVD_CALLSS_VTSM1:
5555         {
5556             msg_Dbg( &sys.demuxer, "CallSS VTSM" );
5557             switch( (p_command[6] & 0xC0) >> 6 ) {
5558                 case 0:
5559                     switch ( p_command[5] )
5560                     {
5561                     case 0x00:
5562                         msg_Dbg( &sys.demuxer, "CallSS PGC (rsm_cell %x)", p_command[5]);
5563                         break;
5564                     case 0x82:
5565                         msg_Dbg( &sys.demuxer, "CallSS Title Entry (rsm_cell %x)", p_command[5]);
5566                         break;
5567                     case 0x83:
5568                         msg_Dbg( &sys.demuxer, "CallSS Root Menu (rsm_cell %x)", p_command[5]);
5569                         break;
5570                     case 0x84:
5571                         msg_Dbg( &sys.demuxer, "CallSS Subpicture Menu (rsm_cell %x)", p_command[5]);
5572                         break;
5573                     case 0x85:
5574                         msg_Dbg( &sys.demuxer, "CallSS Audio Menu (rsm_cell %x)", p_command[5]);
5575                         break;
5576                     case 0x86:
5577                         msg_Dbg( &sys.demuxer, "CallSS Angle Menu (rsm_cell %x)", p_command[5]);
5578                         break;
5579                     case 0x87:
5580                         msg_Dbg( &sys.demuxer, "CallSS Chapter Menu (rsm_cell %x)", p_command[5]);
5581                         break;
5582                     default:
5583                         msg_Dbg( &sys.demuxer, "CallSS <unknown> (rsm_cell %x)", p_command[5]);
5584                         break;
5585                     }
5586                     p_chapter = sys.BrowseCodecPrivate( 1, MatchPgcType, &p_command[5], 1, p_segment );
5587                     if ( p_segment != NULL )
5588                     {
5589                         sys.JumpTo( *p_segment, p_chapter );
5590                         f_result = true;
5591                     }
5592                 break;
5593                 case 1:
5594                     msg_Dbg( &sys.demuxer, "CallSS VMGM (menu %d, rsm_cell %x)", p_command[6] & 0x0F, p_command[5]);
5595                 break;
5596                 case 2:
5597                     msg_Dbg( &sys.demuxer, "CallSS VTSM (menu %d, rsm_cell %x)", p_command[6] & 0x0F, p_command[5]);
5598                 break;
5599                 case 3:
5600                     msg_Dbg( &sys.demuxer, "CallSS VMGM (pgc %d, rsm_cell %x)", (p_command[3] << 8) + p_command[4], p_command[5]);
5601                 break;
5602             }
5603             break;
5604         }
5605     case CMD_DVD_JUMPVTS_PTT:
5606         {
5607             uint8 i_title = p_command[5];
5608             uint8 i_ptt = p_command[3];
5609
5610             msg_Dbg( &sys.demuxer, "JumpVTS Title (%d) PTT (%d)", i_title, i_ptt);
5611
5612             // find the current VTS content segment
5613             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchIsDomain, NULL, 0 );
5614             if ( p_chapter != NULL )
5615             {
5616                 int16 i_curr_title = p_chapter->GetTitleNumber( );
5617                 if ( i_curr_title > 0 )
5618                 {
5619                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSNumber, &i_curr_title, sizeof(i_curr_title), p_segment );
5620
5621                     if ( p_segment != NULL && p_chapter != NULL )
5622                     {
5623                         // find the title in the VTS
5624                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title) );
5625                         if ( p_chapter != NULL )
5626                         {
5627                             // find the chapter in the title
5628                             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchChapterNumber, &i_ptt, sizeof(i_ptt) );
5629                             if ( p_chapter != NULL )
5630                             {
5631                                 sys.JumpTo( *p_segment, p_chapter );
5632                                 f_result = true;
5633                             }
5634                         }
5635                     else
5636                         msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", i_title );
5637                     }
5638                     else
5639                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", i_curr_title );
5640                 }
5641                 else
5642                     msg_Dbg( &sys.demuxer, "JumpVTS_PTT command found but not in a VTS(M)");
5643             }
5644             else
5645                 msg_Dbg( &sys.demuxer, "JumpVTS_PTT command but the DVD domain wasn't found");
5646             break;
5647         }
5648     case CMD_DVD_SET_GPRMMD:
5649         {
5650             msg_Dbg( &sys.demuxer, "Set GPRMMD [%d]=%d", (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3]);
5651
5652             if ( !SetGPRM( (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3] ) )
5653                 msg_Dbg( &sys.demuxer, "Set GPRMMD failed" );
5654             break;
5655         }
5656     case CMD_DVD_LINKPGCN:
5657         {
5658             uint16 i_pgcn = (p_command[6] << 8) + p_command[7];
5659
5660             msg_Dbg( &sys.demuxer, "Link PGCN(%d)", i_pgcn );
5661             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchPgcNumber, &i_pgcn, 2 );
5662             if ( p_chapter != NULL )
5663             {
5664                 if ( !p_chapter->Enter( true ) )
5665                     // jump to the location in the found segment
5666                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5667
5668                 f_result = true;
5669             }
5670             break;
5671         }
5672     case CMD_DVD_LINKCN:
5673         {
5674             uint8 i_cn = p_command[7];
5675
5676             p_chapter = sys.p_current_segment->CurrentChapter();
5677
5678             msg_Dbg( &sys.demuxer, "LinkCN (cell %d)", i_cn );
5679             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchCellNumber, &i_cn, 1 );
5680             if ( p_chapter != NULL )
5681             {
5682                 if ( !p_chapter->Enter( true ) )
5683                     // jump to the location in the found segment
5684                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5685
5686                 f_result = true;
5687             }
5688             break;
5689         }
5690     case CMD_DVD_GOTO_LINE:
5691         {
5692             msg_Dbg( &sys.demuxer, "GotoLine (%d)", (p_command[6] << 8) + p_command[7] );
5693             // TODO
5694             break;
5695         }
5696     default:
5697         {
5698             msg_Dbg( &sys.demuxer, "unsupported command : %02X %02X %02X %02X %02X %02X %02X %02X"
5699                      ,p_command[0]
5700                      ,p_command[1]
5701                      ,p_command[2]
5702                      ,p_command[3]
5703                      ,p_command[4]
5704                      ,p_command[5]
5705                      ,p_command[6]
5706                      ,p_command[7]);
5707             break;
5708         }
5709     }
5710
5711     return f_result;
5712 }
5713
5714 bool dvd_command_interpretor_c::MatchIsDomain( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5715 {
5716     return ( data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS );
5717 }
5718
5719 bool dvd_command_interpretor_c::MatchVTSNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5720 {
5721     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
5722         return false;
5723
5724     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x80 )
5725         return false;
5726
5727     uint16 i_gtitle = (data.p_private_data->GetBuffer()[2] << 8 ) + data.p_private_data->GetBuffer()[3];
5728     uint16 i_title = *(uint16*)p_cookie;
5729
5730     return (i_gtitle == i_title);
5731 }
5732
5733 bool dvd_command_interpretor_c::MatchTitleNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5734 {
5735     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
5736         return false;
5737
5738     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_TT )
5739         return false;
5740
5741     uint16 i_gtitle = (data.p_private_data->GetBuffer()[1] << 8 ) + data.p_private_data->GetBuffer()[2];
5742     uint8 i_title = *(uint8*)p_cookie;
5743
5744     return (i_gtitle == i_title);
5745 }
5746
5747 bool dvd_command_interpretor_c::MatchPgcType( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5748 {
5749     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
5750         return false;
5751
5752     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
5753         return false;
5754
5755     uint8 i_pgc_type = data.p_private_data->GetBuffer()[3];
5756     uint8 i_pgc = *(uint8*)p_cookie;
5757
5758     return (i_pgc_type == i_pgc);
5759 }
5760
5761 bool dvd_command_interpretor_c::MatchPgcNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5762 {
5763     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
5764         return false;
5765
5766     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
5767         return false;
5768
5769     uint16 *i_pgc_n = (uint16 *)p_cookie;
5770     uint16 i_pgc_num = (data.p_private_data->GetBuffer()[1] << 8) + data.p_private_data->GetBuffer()[2];
5771
5772     return (i_pgc_num == *i_pgc_n);
5773 }
5774
5775 bool dvd_command_interpretor_c::MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5776 {
5777     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
5778         return false;
5779
5780     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PTT )
5781         return false;
5782
5783     uint8 i_chapter = data.p_private_data->GetBuffer()[1];
5784     uint8 i_ptt = *(uint8*)p_cookie;
5785
5786     return (i_chapter == i_ptt);
5787 }
5788
5789 bool dvd_command_interpretor_c::MatchCellNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5790 {
5791     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 5 )
5792         return false;
5793
5794     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_CN )
5795         return false;
5796
5797     uint8 *i_cell_n = (uint8 *)p_cookie;
5798     uint8 i_cell_num = data.p_private_data->GetBuffer()[3];
5799
5800     return (i_cell_num == *i_cell_n);
5801 }
5802
5803 bool matroska_script_codec_c::Enter()
5804 {
5805     bool f_result = false;
5806     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
5807     while ( index != enter_cmds.end() )
5808     {
5809         if ( (*index)->GetSize() )
5810         {
5811             msg_Dbg( &sys.demuxer, "Matroska Script enter command" );
5812             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
5813         }
5814         index++;
5815     }
5816     return f_result;
5817 }
5818
5819 bool matroska_script_codec_c::Leave()
5820 {
5821     bool f_result = false;
5822     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
5823     while ( index != leave_cmds.end() )
5824     {
5825         if ( (*index)->GetSize() )
5826         {
5827             msg_Dbg( &sys.demuxer, "Matroska Script leave command" );
5828             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
5829         }
5830         index++;
5831     }
5832     return f_result;
5833 }
5834
5835 // see http://www.matroska.org/technical/specs/chapters/index.html#mscript
5836 //  for a description of existing commands
5837 bool matroska_script_interpretor_c::Interpret( const binary * p_command, size_t i_size )
5838 {
5839     bool b_result = false;
5840
5841     char *psz_str = (char*) malloc( i_size + 1 );
5842     memcpy( psz_str, p_command, i_size );
5843     psz_str[ i_size ] = '\0';
5844
5845     std::string sz_command = psz_str;
5846     free( psz_str );
5847
5848     msg_Dbg( &sys.demuxer, "command : %s", sz_command.c_str() );
5849
5850 #if defined(__GNUC__) && (__GNUC__ < 3)
5851     if ( sz_command.compare( CMD_MS_GOTO_AND_PLAY, 0, CMD_MS_GOTO_AND_PLAY.size() ) == 0 )
5852 #else
5853     if ( sz_command.compare( 0, CMD_MS_GOTO_AND_PLAY.size(), CMD_MS_GOTO_AND_PLAY ) == 0 )
5854 #endif
5855     {
5856         size_t i,j;
5857
5858         // find the (
5859         for ( i=CMD_MS_GOTO_AND_PLAY.size(); i<sz_command.size(); i++)
5860         {
5861             if ( sz_command[i] == '(' )
5862             {
5863                 i++;
5864                 break;
5865             }
5866         }
5867         // find the )
5868         for ( j=i; j<sz_command.size(); j++)
5869         {
5870             if ( sz_command[j] == ')' )
5871             {
5872                 i--;
5873                 break;
5874             }
5875         }
5876
5877         std::string st = sz_command.substr( i+1, j-i-1 );
5878         int64_t i_chapter_uid = atoi( st.c_str() );
5879
5880         virtual_segment_c *p_segment;
5881         chapter_item_c *p_chapter = sys.FindChapter( i_chapter_uid, p_segment );
5882
5883         if ( p_chapter == NULL )
5884             msg_Dbg( &sys.demuxer, "Chapter "I64Fd" not found", i_chapter_uid);
5885         else
5886         {
5887             if ( !p_chapter->EnterAndLeave( sys.p_current_segment->CurrentChapter() ) )
5888                 p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5889             b_result = true;
5890         }
5891     }
5892
5893     return b_result;
5894 }
5895
5896 void demux_sys_t::SwapButtons()
5897 {
5898 #ifndef WORDS_BIGENDIAN
5899     uint8_t button, i, j;
5900
5901     for( button = 1; button <= pci_packet.hli.hl_gi.btn_ns; button++) {
5902         btni_t *button_ptr = &(pci_packet.hli.btnit[button-1]);
5903         binary *p_data = (binary*) button_ptr;
5904
5905         uint16 i_x_start = ((p_data[0] & 0x3F) << 4 ) + ( p_data[1] >> 4 );
5906         uint16 i_x_end   = ((p_data[1] & 0x03) << 8 ) + p_data[2];
5907         uint16 i_y_start = ((p_data[3] & 0x3F) << 4 ) + ( p_data[4] >> 4 );
5908         uint16 i_y_end   = ((p_data[4] & 0x03) << 8 ) + p_data[5];
5909         button_ptr->x_start = i_x_start;
5910         button_ptr->x_end   = i_x_end;
5911         button_ptr->y_start = i_y_start;
5912         button_ptr->y_end   = i_y_end;
5913
5914     }
5915     for ( i = 0; i<3; i++ )
5916     {
5917         for ( j = 0; j<2; j++ )
5918         {
5919             pci_packet.hli.btn_colit.btn_coli[i][j] = U32_AT( &pci_packet.hli.btn_colit.btn_coli[i][j] );
5920         }
5921     }
5922 #endif
5923 }