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 #ifdef VSLHC1
 103 #define DVDNAV_COMPILE
 104 #include <dvdnav.h>
 105 #else /* VSLHC */
 106
 107 #undef ATTRIBUTE_PACKED
 108 #undef PRAGMA_PACK_BEGIN
 109 #undef PRAGMA_PACK_END
 110
 111 #if defined(__GNUC__)
 112 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)
 113 #define ATTRIBUTE_PACKED __attribute__ ((packed))
 114 #define PRAGMA_PACK 0
 115 #endif
 116 #endif
 117
 118 #if !defined(ATTRIBUTE_PACKED)
 119 #define ATTRIBUTE_PACKED
 120 #define PRAGMA_PACK 1
 121 #endif
 122
 123 #if PRAGMA_PACK
 124 #pragma pack(1)
 125 #endif
 126
 127 /*************************************
 128 *  taken from libdvdnav / libdvdread
 129 **************************************/
 130
 131 /**
 132  * DVD Time Information.
 133  */
 134 typedef struct {
 135   uint8_t hour;
 136   uint8_t minute;
 137   uint8_t second;
 138   uint8_t frame_u; /* The two high bits are the frame rate. */
 139 } ATTRIBUTE_PACKED dvd_time_t;
 140
 141 /**
 142  * User Operations.
 143  */
 144 typedef struct {
 145 #ifdef WORDS_BIGENDIAN
 146   unsigned char zero                           : 7; /* 25-31 */
 147   unsigned char video_pres_mode_change         : 1; /* 24 */
 148
 149   unsigned char karaoke_audio_pres_mode_change : 1; /* 23 */
 150   unsigned char angle_change                   : 1;
 151   unsigned char subpic_stream_change           : 1;
 152   unsigned char audio_stream_change            : 1;
 153   unsigned char pause_on                       : 1;
 154   unsigned char still_off                      : 1;
 155   unsigned char button_select_or_activate      : 1;
 156   unsigned char resume                         : 1; /* 16 */
 157
 158   unsigned char chapter_menu_call              : 1; /* 15 */
 159   unsigned char angle_menu_call                : 1;
 160   unsigned char audio_menu_call                : 1;
 161   unsigned char subpic_menu_call               : 1;
 162   unsigned char root_menu_call                 : 1;
 163   unsigned char title_menu_call                : 1;
 164   unsigned char backward_scan                  : 1;
 165   unsigned char forward_scan                   : 1; /* 8 */
 166
 167   unsigned char next_pg_search                 : 1; /* 7 */
 168   unsigned char prev_or_top_pg_search          : 1;
 169   unsigned char time_or_chapter_search         : 1;
 170   unsigned char go_up                          : 1;
 171   unsigned char stop                           : 1;
 172   unsigned char title_play                     : 1;
 173   unsigned char chapter_search_or_play         : 1;
 174   unsigned char title_or_time_play             : 1; /* 0 */
 175 #else
 176   unsigned char video_pres_mode_change         : 1; /* 24 */
 177   unsigned char zero                           : 7; /* 25-31 */
 178
 179   unsigned char resume                         : 1; /* 16 */
 180   unsigned char button_select_or_activate      : 1;
 181   unsigned char still_off                      : 1;
 182   unsigned char pause_on                       : 1;
 183   unsigned char audio_stream_change            : 1;
 184   unsigned char subpic_stream_change           : 1;
 185   unsigned char angle_change                   : 1;
 186   unsigned char karaoke_audio_pres_mode_change : 1; /* 23 */
 187
 188   unsigned char forward_scan                   : 1; /* 8 */
 189   unsigned char backward_scan                  : 1;
 190   unsigned char title_menu_call                : 1;
 191   unsigned char root_menu_call                 : 1;
 192   unsigned char subpic_menu_call               : 1;
 193   unsigned char audio_menu_call                : 1;
 194   unsigned char angle_menu_call                : 1;
 195   unsigned char chapter_menu_call              : 1; /* 15 */
 196
 197   unsigned char title_or_time_play             : 1; /* 0 */
 198   unsigned char chapter_search_or_play         : 1;
 199   unsigned char title_play                     : 1;
 200   unsigned char stop                           : 1;
 201   unsigned char go_up                          : 1;
 202   unsigned char time_or_chapter_search         : 1;
 203   unsigned char prev_or_top_pg_search          : 1;
 204   unsigned char next_pg_search                 : 1; /* 7 */
 205 #endif
 206 } ATTRIBUTE_PACKED user_ops_t;
 207
 208 /**
 209  * Type to store per-command data.
 210  */
 211 typedef struct {
 212   uint8_t bytes[8];
 213 } ATTRIBUTE_PACKED vm_cmd_t;
 214 #define COMMAND_DATA_SIZE 8
 215
 216 /**
 217  * PCI General Information
 218  */
 219 typedef struct {
 220   uint32_t nv_pck_lbn;      /**< sector address of this nav pack */
 221   uint16_t vobu_cat;        /**< 'category' of vobu */
 222   uint16_t zero1;           /**< reserved */
 223   user_ops_t vobu_uop_ctl;  /**< UOP of vobu */
 224   uint32_t vobu_s_ptm;      /**< start presentation time of vobu */
 225   uint32_t vobu_e_ptm;      /**< end presentation time of vobu */
 226   uint32_t vobu_se_e_ptm;   /**< end ptm of sequence end in vobu */
 227   dvd_time_t e_eltm;        /**< Cell elapsed time */
 228   char vobu_isrc[32];
 229 } ATTRIBUTE_PACKED pci_gi_t;
 230
 231 /**
 232  * Non Seamless Angle Information
 233  */
 234 typedef struct {
 235   uint32_t nsml_agl_dsta[9];  /**< address of destination vobu in AGL_C#n */
 236 } ATTRIBUTE_PACKED nsml_agli_t;
 237
 238 /**
 239  * Highlight General Information
 240  *
 241  * For btngrX_dsp_ty the bits have the following meaning:
 242  * 000b: normal 4/3 only buttons
 243  * XX1b: wide (16/9) buttons
 244  * X1Xb: letterbox buttons
 245  * 1XXb: pan&scan buttons
 246  */
 247 typedef struct {
 248   uint16_t hli_ss; /**< status, only low 2 bits 0: no buttons, 1: different 2: equal 3: eual except for button cmds */
 249   uint32_t hli_s_ptm;              /**< start ptm of hli */
 250   uint32_t hli_e_ptm;              /**< end ptm of hli */
 251   uint32_t btn_se_e_ptm;           /**< end ptm of button select */
 252 #ifdef WORDS_BIGENDIAN
 253   unsigned char zero1 : 2;          /**< reserved */
 254   unsigned char btngr_ns : 2;       /**< number of button groups 1, 2 or 3 with 36/18/12 buttons */
 255   unsigned char zero2 : 1;          /**< reserved */
 256   unsigned char btngr1_dsp_ty : 3;  /**< display type of subpic stream for button group 1 */
 257   unsigned char zero3 : 1;          /**< reserved */
 258   unsigned char btngr2_dsp_ty : 3;  /**< display type of subpic stream for button group 2 */
 259   unsigned char zero4 : 1;          /**< reserved */
 260   unsigned char btngr3_dsp_ty : 3;  /**< display type of subpic stream for button group 3 */
 261 #else
 262   unsigned char btngr1_dsp_ty : 3;
 263   unsigned char zero2 : 1;
 264   unsigned char btngr_ns : 2;
 265   unsigned char zero1 : 2;
 266   unsigned char btngr3_dsp_ty : 3;
 267   unsigned char zero4 : 1;
 268   unsigned char btngr2_dsp_ty : 3;
 269   unsigned char zero3 : 1;
 270 #endif
 271   uint8_t btn_ofn;     /**< button offset number range 0-255 */
 272   uint8_t btn_ns;      /**< number of valid buttons  <= 36/18/12 (low 6 bits) */
 273   uint8_t nsl_btn_ns;  /**< number of buttons selectable by U_BTNNi (low 6 bits)   nsl_btn_ns <= btn_ns */
 274   uint8_t zero5;       /**< reserved */
 275   uint8_t fosl_btnn;   /**< forcedly selected button  (low 6 bits) */
 276   uint8_t foac_btnn;   /**< forcedly activated button (low 6 bits) */
 277 } ATTRIBUTE_PACKED hl_gi_t;
 278
 279
 280 /**
 281  * Button Color Information Table
 282  * Each entry beeing a 32bit word that contains the color indexs and alpha
 283  * values to use.  They are all represented by 4 bit number and stored
 284  * like this [Ci3, Ci2, Ci1, Ci0, A3, A2, A1, A0].   The actual palette
 285  * that the indexes reference is in the PGC.
 286  * @TODO split the uint32_t into a struct
 287  */
 288 typedef struct {
 289   uint32_t btn_coli[3][2];  /**< [button color number-1][select:0/action:1] */
 290 } ATTRIBUTE_PACKED btn_colit_t;
 291
 292 /**
 293  * Button Information
 294  *
 295  * NOTE: I've had to change the structure from the disk layout to get
 296  * the packing to work with Sun's Forte C compiler.
 297  * The 4 and 7 bytes are 'rotated' was: ABC DEF GHIJ  is: ABCG DEFH IJ
 298  */
 299 typedef struct {
 300 #ifdef WORDS_BIGENDIAN
 301   uint32        btn_coln         : 2;  /**< button color number */
 302   uint32        x_start          : 10; /**< x start offset within the overlay */
 303   uint32        zero1            : 2;  /**< reserved */
 304   uint32        x_end            : 10; /**< x end offset within the overlay */
 305
 306   uint32        zero3            : 2;  /**< reserved */
 307   uint32        up               : 6;  /**< button index when pressing up */
 308
 309   uint32        auto_action_mode : 2;  /**< 0: no, 1: activated if selected */
 310   uint32        y_start          : 10; /**< y start offset within the overlay */
 311   uint32        zero2            : 2;  /**< reserved */
 312   uint32        y_end            : 10; /**< y end offset within the overlay */
 313
 314   uint32        zero4            : 2;  /**< reserved */
 315   uint32        down             : 6;  /**< button index when pressing down */
 316   unsigned char zero5            : 2;  /**< reserved */
 317   unsigned char left             : 6;  /**< button index when pressing left */
 318   unsigned char zero6            : 2;  /**< reserved */
 319   unsigned char right            : 6;  /**< button index when pressing right */
 320 #else
 321   uint32        x_end            : 10;
 322   uint32        zero1            : 2;
 323   uint32        x_start          : 10;
 324   uint32        btn_coln         : 2;
 325
 326   uint32        up               : 6;
 327   uint32        zero3            : 2;
 328
 329   uint32        y_end            : 10;
 330   uint32        zero2            : 2;
 331   uint32        y_start          : 10;
 332   uint32        auto_action_mode : 2;
 333
 334   uint32        down             : 6;
 335   uint32        zero4            : 2;
 336   unsigned char left             : 6;
 337   unsigned char zero5            : 2;
 338   unsigned char right            : 6;
 339   unsigned char zero6            : 2;
 340 #endif
 341   vm_cmd_t cmd;
 342 } ATTRIBUTE_PACKED btni_t;
 343
 344 /**
 345  * Highlight Information
 346  */
 347 typedef struct {
 348   hl_gi_t     hl_gi;
 349   btn_colit_t btn_colit;
 350   btni_t      btnit[36];
 351 } ATTRIBUTE_PACKED hli_t;
 352
 353 /**
 354  * PCI packet
 355  */
 356 typedef struct {
 357   pci_gi_t    pci_gi;
 358   nsml_agli_t nsml_agli;
 359   hli_t       hli;
 360   uint8_t     zero1[189];
 361 } ATTRIBUTE_PACKED pci_t;
 362
 363
 364 #if PRAGMA_PACK
 365 #pragma pack()
 366 #endif
 367
 368 #endif /* VSLHC */
 369 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 370
 371
 372 /**
 373  * What's between a directory and a filename?
 374  */
 375 #if defined( WIN32 )
 376     #define DIRECTORY_SEPARATOR '\\'
 377 #else
 378     #define DIRECTORY_SEPARATOR '/'
 379 #endif
 380
 381 using namespace LIBMATROSKA_NAMESPACE;
 382 using namespace std;
 383
 384 /*****************************************************************************
 385  * Module descriptor
 386  *****************************************************************************/
 387 static int  Open ( vlc_object_t * );
 388 static void Close( vlc_object_t * );
 389
 390 vlc_module_begin();
 391     set_shortname( _("Matroska") );
 392     set_description( _("Matroska stream demuxer" ) );
 393     set_capability( "demux2", 50 );
 394     set_callbacks( Open, Close );
 395     set_category( CAT_INPUT );
 396     set_subcategory( SUBCAT_INPUT_DEMUX );
 397
 398     add_bool( "mkv-use-ordered-chapters", 1, NULL,
 399             N_("Ordered chapters"),
 400             N_("Play ordered chapters as specified in the segment"), VLC_TRUE );
 401
 402     add_bool( "mkv-use-chapter-codec", 1, NULL,
 403             N_("Chapter codecs"),
 404             N_("Use chapter codecs found in the segment"), VLC_TRUE );
 405
 406     add_bool( "mkv-seek-percent", 0, NULL,
 407             N_("Seek based on percent not time"),
 408             N_("Seek based on percent not time"), VLC_TRUE );
 409
 410     add_bool( "mkv-use-dummy", 0, NULL,
 411             N_("Dummy Elements"),
 412             N_("Read and discard unknown EBML elements (not good for broken files)"), VLC_TRUE );
 413
 414     add_shortcut( "mka" );
 415     add_shortcut( "mkv" );
 416 vlc_module_end();
 417
 418 /*****************************************************************************
 419  * Local prototypes
 420  *****************************************************************************/
 421 #ifdef HAVE_ZLIB_H
 422 block_t *block_zlib_decompress( vlc_object_t *p_this, block_t *p_in_block ) {
 423     int result, dstsize, n;
 424     unsigned char *dst;
 425     block_t *p_block;
 426     z_stream d_stream;
 427
 428     d_stream.zalloc = (alloc_func)0;
 429     d_stream.zfree = (free_func)0;
 430     d_stream.opaque = (voidpf)0;
 431     result = inflateInit(&d_stream);
 432     if( result != Z_OK )
 433     {
 434         msg_Dbg( p_this, "inflateInit() failed. Result: %d", result );
 435         return NULL;
 436     }
 437
 438     d_stream.next_in = (Bytef *)p_in_block->p_buffer;
 439     d_stream.avail_in = p_in_block->i_buffer;
 440     n = 0;
 441     p_block = block_New( p_this, 0 );
 442     dst = NULL;
 443     do
 444     {
 445         n++;
 446         p_block = block_Realloc( p_block, 0, n * 1000 );
 447         dst = (unsigned char *)p_block->p_buffer;
 448         d_stream.next_out = (Bytef *)&dst[(n - 1) * 1000];
 449         d_stream.avail_out = 1000;
 450         result = inflate(&d_stream, Z_NO_FLUSH);
 451         if( ( result != Z_OK ) && ( result != Z_STREAM_END ) )
 452         {
 453             msg_Dbg( p_this, "Zlib decompression failed. Result: %d", result );
 454             return NULL;
 455         }
 456     }
 457     while( ( d_stream.avail_out == 0 ) && ( d_stream.avail_in != 0 ) &&
 458            ( result != Z_STREAM_END ) );
 459
 460     dstsize = d_stream.total_out;
 461     inflateEnd( &d_stream );
 462
 463     p_block = block_Realloc( p_block, 0, dstsize );
 464     p_block->i_buffer = dstsize;
 465     block_Release( p_in_block );
 466
 467     return p_block;
 468 }
 469 #endif
 470
 471 /**
 472  * Helper function to print the mkv parse tree
 473  */
 474 static void MkvTree( demux_t & demuxer, int i_level, char *psz_format, ... )
 475 {
 476     va_list args;
 477     if( i_level > 9 )
 478     {
 479         msg_Err( &demuxer, "too deep tree" );
 480         return;
 481     }
 482     va_start( args, psz_format );
 483     static char *psz_foo = "|   |   |   |   |   |   |   |   |   |";
 484     char *psz_foo2 = (char*)malloc( ( i_level * 4 + 3 + strlen( psz_format ) ) * sizeof(char) );
 485     strncpy( psz_foo2, psz_foo, 4 * i_level );
 486     psz_foo2[ 4 * i_level ] = '+';
 487     psz_foo2[ 4 * i_level + 1 ] = ' ';
 488     strcpy( &psz_foo2[ 4 * i_level + 2 ], psz_format );
 489     __msg_GenericVa( VLC_OBJECT(&demuxer), VLC_MSG_DBG, "mkv", psz_foo2, args );
 490     free( psz_foo2 );
 491     va_end( args );
 492 }
 493
 494 /*****************************************************************************
 495  * Stream managment
 496  *****************************************************************************/
 497 class vlc_stream_io_callback: public IOCallback
 498 {
 499   private:
 500     stream_t       *s;
 501     vlc_bool_t     mb_eof;
 502
 503   public:
 504     vlc_stream_io_callback( stream_t * );
 505
 506     virtual uint32   read            ( void *p_buffer, size_t i_size);
 507     virtual void     setFilePointer  ( int64_t i_offset, seek_mode mode = seek_beginning );
 508     virtual size_t   write           ( const void *p_buffer, size_t i_size);
 509     virtual uint64   getFilePointer  ( void );
 510     virtual void     close           ( void );
 511 };
 512
 513 /*****************************************************************************
 514  * Ebml Stream parser
 515  *****************************************************************************/
 516 class EbmlParser
 517 {
 518   public:
 519     EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux );
 520     virtual ~EbmlParser( void );
 521
 522     void Up( void );
 523     void Down( void );
 524     void Reset( demux_t *p_demux );
 525     EbmlElement *Get( void );
 526     void        Keep( void );
 527
 528     int GetLevel( void );
 529
 530   private:
 531     EbmlStream  *m_es;
 532     int         mi_level;
 533     EbmlElement *m_el[10];
 534     int64_t      mi_remain_size[10];
 535
 536     EbmlElement *m_got;
 537
 538     int         mi_user_level;
 539     vlc_bool_t  mb_keep;
 540     vlc_bool_t  mb_dummy;
 541 };
 542
 543
 544 /*****************************************************************************
 545  * Some functions to manipulate memory
 546  *****************************************************************************/
 547 #define GetFOURCC( p )  __GetFOURCC( (uint8_t*)p )
 548 static vlc_fourcc_t __GetFOURCC( uint8_t *p )
 549 {
 550     return VLC_FOURCC( p[0], p[1], p[2], p[3] );
 551 }
 552
 553 /*****************************************************************************
 554  * definitions of structures and functions used by this plugins
 555  *****************************************************************************/
 556 typedef struct
 557 {
 558     vlc_bool_t   b_default;
 559     vlc_bool_t   b_enabled;
 560     unsigned int i_number;
 561
 562     int          i_extra_data;
 563     uint8_t      *p_extra_data;
 564
 565     char         *psz_codec;
 566
 567     uint64_t     i_default_duration;
 568     float        f_timecodescale;
 569
 570     /* video */
 571     es_format_t fmt;
 572     float       f_fps;
 573     es_out_id_t *p_es;
 574
 575     vlc_bool_t      b_inited;
 576     /* data to be send first */
 577     int             i_data_init;
 578     uint8_t         *p_data_init;
 579
 580     /* hack : it's for seek */
 581     vlc_bool_t      b_search_keyframe;
 582     vlc_bool_t      b_silent;
 583
 584     /* informative */
 585     char         *psz_codec_name;
 586     char         *psz_codec_settings;
 587     char         *psz_codec_info_url;
 588     char         *psz_codec_download_url;
 589
 590     /* encryption/compression */
 591     int           i_compression_type;
 592
 593 } mkv_track_t;
 594
 595 typedef struct
 596 {
 597     int     i_track;
 598     int     i_block_number;
 599
 600     int64_t i_position;
 601     int64_t i_time;
 602
 603     vlc_bool_t b_key;
 604 } mkv_index_t;
 605
 606 class demux_sys_t;
 607
 608 const binary MATROSKA_DVD_LEVEL_SS   = 0x30;
 609 const binary MATROSKA_DVD_LEVEL_LU   = 0x2A;
 610 const binary MATROSKA_DVD_LEVEL_TT   = 0x28;
 611 const binary MATROSKA_DVD_LEVEL_PGC  = 0x20;
 612 const binary MATROSKA_DVD_LEVEL_PG   = 0x18;
 613 const binary MATROSKA_DVD_LEVEL_PTT  = 0x10;
 614 const binary MATROSKA_DVD_LEVEL_CN   = 0x08;
 615
 616 class chapter_codec_cmds_c
 617 {
 618 public:
 619     chapter_codec_cmds_c( demux_sys_t & demuxer, int codec_id = -1)
 620     :i_codec_id( codec_id )
 621     ,sys( demuxer )
 622     {}
 623
 624     virtual ~chapter_codec_cmds_c() {}
 625
 626     void SetPrivate( const KaxChapterProcessPrivate & private_data )
 627     {
 628         m_private_data = *( new KaxChapterProcessPrivate( private_data ) );
 629     }
 630
 631     void AddCommand( const KaxChapterProcessCommand & command );
 632
 633     /// \return wether the codec has seeked in the files or not
 634     virtual bool Enter() { return false; }
 635     virtual bool Leave() { return false; }
 636     virtual std::string GetCodecName( bool f_for_title = false ) const { return ""; }
 637     virtual int16 GetTitleNumber() { return -1; }
 638
 639     KaxChapterProcessPrivate m_private_data;
 640
 641 protected:
 642     std::vector<KaxChapterProcessData> enter_cmds;
 643     std::vector<KaxChapterProcessData> during_cmds;
 644     std::vector<KaxChapterProcessData> leave_cmds;
 645
 646     int i_codec_id;
 647     demux_sys_t & sys;
 648 };
 649
 650 class dvd_command_interpretor_c
 651 {
 652 public:
 653     dvd_command_interpretor_c( demux_sys_t & demuxer )
 654     :sys( demuxer )
 655     {
 656         memset( p_PRMs, 0, sizeof(p_PRMs) );
 657         p_PRMs[ 0x80 + 1 ] = 15;
 658         p_PRMs[ 0x80 + 2 ] = 62;
 659         p_PRMs[ 0x80 + 3 ] = 1;
 660         p_PRMs[ 0x80 + 4 ] = 1;
 661         p_PRMs[ 0x80 + 7 ] = 1;
 662         p_PRMs[ 0x80 + 8 ] = 1;
 663         p_PRMs[ 0x80 + 16 ] = 0xFFFFu;
 664         p_PRMs[ 0x80 + 18 ] = 0xFFFFu;
 665     }
 666
 667     bool Interpret( const binary * p_command, size_t i_size = 8 );
 668
 669     uint16 GetPRM( size_t index ) const
 670     {
 671         if ( index < 256 )
 672             return p_PRMs[ index ];
 673         else return 0;
 674     }
 675
 676     uint16 GetGPRM( size_t index ) const
 677     {
 678         if ( index >= 0 && index < 16 )
 679             return p_PRMs[ index ];
 680         else return 0;
 681     }
 682
 683     uint16 GetSPRM( size_t index ) const
 684     {
 685         // 21,22,23 reserved for future use
 686         if ( index >= 0x80 && index < 0x95 )
 687             return p_PRMs[ index ];
 688         else return 0;
 689     }
 690
 691     bool SetPRM( size_t index, uint16 value )
 692     {
 693         if ( index >= 0 && index < 16 )
 694         {
 695             p_PRMs[ index ] = value;
 696             return true;
 697         }
 698         return false;
 699     }
 700
 701     bool SetGPRM( size_t index, uint16 value )
 702     {
 703         if ( index >= 0 && index < 16 )
 704         {
 705             p_PRMs[ index ] = value;
 706             return true;
 707         }
 708         return false;
 709     }
 710
 711     bool SetSPRM( size_t index, uint16 value )
 712     {
 713         if ( index > 0x80 && index <= 0x8D && index != 0x8C )
 714         {
 715             p_PRMs[ index ] = value;
 716             return true;
 717         }
 718         return false;
 719     }
 720
 721 protected:
 722     std::string GetRegTypeName( bool b_value, uint16 value ) const
 723     {
 724         std::string result;
 725         char s_value[6], s_reg_value[6];
 726         sprintf( s_value, "%.5d", value );
 727
 728         if ( b_value )
 729         {
 730             result = "value (";
 731             result += s_value;
 732             result += ")";
 733         }
 734         else if ( value < 0x80 )
 735         {
 736             sprintf( s_reg_value, "%.5d", GetPRM( value ) );
 737             result = "GPreg[";
 738             result += s_value;
 739             result += "] (";
 740             result += s_reg_value;
 741             result += ")";
 742         }
 743         else
 744         {
 745             sprintf( s_reg_value, "%.5d", GetPRM( value ) );
 746             result = "SPreg[";
 747             result += s_value;
 748             result += "] (";
 749             result += s_reg_value;
 750             result += ")";
 751         }
 752         return result;
 753     }
 754
 755     uint16       p_PRMs[256];
 756     demux_sys_t  & sys;
 757
 758     // DVD command IDs
 759
 760     // Tests
 761     // wether the test has to be positive or not
 762     static const uint16 CMD_DVD_IF_NOT              = 0x10;
 763     // wether it's a comparison on the value or register
 764     static const uint16 CMD_DVD_TEST_VALUE          = 0x80;
 765     static const uint16 CMD_DVD_IF_GPREG_AND        = (0 << 5);
 766     static const uint16 CMD_DVD_IF_GPREG_EQUAL      = (1 << 5);
 767     static const uint16 CMD_DVD_IF_GPREG_SUP_EQUAL  = (2 << 5);
 768     static const uint16 CMD_DVD_IF_GPREG_INF        = (3 << 5);
 769
 770     static const uint16 CMD_DVD_NOP                    = 0x0000;
 771     static const uint16 CMD_DVD_GOTO_LINE              = 0x0001;
 772     static const uint16 CMD_DVD_BREAK                  = 0x0002;
 773     // Links
 774     static const uint16 CMD_DVD_NOP2                   = 0x2001;
 775     static const uint16 CMD_DVD_LINKPGCN               = 0x2004;
 776     static const uint16 CMD_DVD_LINKPGN                = 0x2006;
 777     static const uint16 CMD_DVD_LINKCN                 = 0x2007;
 778     static const uint16 CMD_DVD_JUMP_TT                = 0x3002;
 779     static const uint16 CMD_DVD_JUMPVTS_TT             = 0x3003;
 780     static const uint16 CMD_DVD_JUMPVTS_PTT            = 0x3005;
 781     static const uint16 CMD_DVD_JUMP_SS                = 0x3006;
 782     static const uint16 CMD_DVD_CALLSS_VTSM1           = 0x3008;
 783     //
 784     static const uint16 CMD_DVD_SET_HL_BTNN2           = 0x4600;
 785     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN1  = 0x4604;
 786     static const uint16 CMD_DVD_SET_STREAM             = 0x5100;
 787     static const uint16 CMD_DVD_SET_GPRMMD             = 0x5300;
 788     static const uint16 CMD_DVD_SET_HL_BTNN1           = 0x5600;
 789     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN2  = 0x5604;
 790     static const uint16 CMD_DVD_SET_HL_BTNN_LINKCN     = 0x5607;
 791     // Operations
 792     static const uint16 CMD_DVD_MOV_SPREG_PREG         = 0x6100;
 793     static const uint16 CMD_DVD_GPREG_MOV_VALUE        = 0x7100;
 794     static const uint16 CMD_DVD_SUB_GPREG              = 0x7400;
 795     static const uint16 CMD_DVD_MULT_GPREG             = 0x7500;
 796     static const uint16 CMD_DVD_GPREG_DIV_VALUE        = 0x7600;
 797     static const uint16 CMD_DVD_GPREG_AND_VALUE        = 0x7900;
 798
 799     // callbacks when browsing inside CodecPrivate
 800     static bool MatchIsDomain     ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 801     static bool MatchVTSNumber    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 802     static bool MatchTitleNumber  ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 803     static bool MatchPgcType      ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 804     static bool MatchPgcNumber    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 805     static bool MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 806     static bool MatchCellNumber   ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 807 };
 808
 809 class dvd_chapter_codec_c : public chapter_codec_cmds_c
 810 {
 811 public:
 812     dvd_chapter_codec_c( demux_sys_t & sys )
 813     :chapter_codec_cmds_c( sys, 1 )
 814     {}
 815
 816     bool Enter();
 817     bool Leave();
 818     std::string GetCodecName( bool f_for_title = false ) const;
 819     int16 GetTitleNumber();
 820 };
 821
 822 class matroska_script_interpretor_c
 823 {
 824 public:
 825     matroska_script_interpretor_c( demux_sys_t & demuxer )
 826     :sys( demuxer )
 827     {}
 828
 829     bool Interpret( const binary * p_command, size_t i_size );
 830
 831     // DVD command IDs
 832     static const std::string CMD_MS_GOTO_AND_PLAY;
 833
 834 protected:
 835     demux_sys_t  & sys;
 836 };
 837
 838 const std::string matroska_script_interpretor_c::CMD_MS_GOTO_AND_PLAY = "GotoAndPlay";
 839
 840
 841 class matroska_script_codec_c : public chapter_codec_cmds_c
 842 {
 843 public:
 844     matroska_script_codec_c( demux_sys_t & sys )
 845     :chapter_codec_cmds_c( sys, 0 )
 846     ,interpretor( sys )
 847     {}
 848
 849     bool Enter();
 850     bool Leave();
 851
 852 protected:
 853     matroska_script_interpretor_c interpretor;
 854 };
 855
 856 class chapter_translation_c
 857 {
 858 public:
 859     KaxChapterTranslateID  translated;
 860     unsigned int           codec_id;
 861     std::vector<uint64_t>  editions;
 862 };
 863
 864 class chapter_item_c
 865 {
 866 public:
 867     chapter_item_c()
 868     :i_start_time(0)
 869     ,i_end_time(-1)
 870     ,i_user_start_time(-1)
 871     ,i_user_end_time(-1)
 872     ,i_seekpoint_num(-1)
 873     ,b_display_seekpoint(true)
 874     ,b_user_display(false)
 875     ,psz_parent(NULL)
 876     ,b_is_leaving(false)
 877     {}
 878
 879     virtual ~chapter_item_c()
 880     {
 881         std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
 882         while ( index != codecs.end() )
 883         {
 884             delete (*index);
 885             index++;
 886         }
 887         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
 888         while ( index_ != sub_chapters.end() )
 889         {
 890             delete (*index_);
 891             index_++;
 892         }
 893     }
 894
 895     int64_t RefreshChapters( bool b_ordered, int64_t i_prev_user_time );
 896     int PublishChapters( input_title_t & title, int & i_user_chapters, int i_level = 0 );
 897     chapter_item_c * FindTimecode( mtime_t i_timecode );
 898     void Append( const chapter_item_c & edition );
 899     chapter_item_c * FindChapter( int64_t i_find_uid );
 900     virtual chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
 901                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
 902                                     const void *p_cookie,
 903                                     size_t i_cookie_size );
 904     std::string                 GetCodecName( bool f_for_title = false ) const;
 905     bool                        ParentOf( const chapter_item_c & item ) const;
 906     int16                       GetTitleNumber( ) const;
 907
 908     int64_t                     i_start_time, i_end_time;
 909     int64_t                     i_user_start_time, i_user_end_time; /* the time in the stream when an edition is ordered */
 910     std::vector<chapter_item_c*> sub_chapters;
 911     int                         i_seekpoint_num;
 912     int64_t                     i_uid;
 913     bool                        b_display_seekpoint;
 914     bool                        b_user_display;
 915     std::string                 psz_name;
 916     chapter_item_c              *psz_parent;
 917     bool                        b_is_leaving;
 918
 919     std::vector<chapter_codec_cmds_c*> codecs;
 920
 921     bool operator<( const chapter_item_c & item ) const
 922     {
 923         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) );
 924     }
 925
 926     bool Enter( bool b_do_subchapters );
 927     bool Leave( bool b_do_subchapters );
 928     bool EnterAndLeave( chapter_item_c *p_item );
 929 };
 930
 931 class chapter_edition_c : public chapter_item_c
 932 {
 933 public:
 934     chapter_edition_c()
 935     :b_ordered(false)
 936     {}
 937
 938     void RefreshChapters( );
 939     mtime_t Duration() const;
 940     std::string GetMainName() const;
 941
 942     bool                        b_ordered;
 943 };
 944
 945 class matroska_segment_c
 946 {
 947 public:
 948     matroska_segment_c( demux_sys_t & demuxer, EbmlStream & estream )
 949         :segment(NULL)
 950         ,es(estream)
 951         ,i_timescale(MKVD_TIMECODESCALE)
 952         ,i_duration(-1)
 953         ,i_start_time(0)
 954         ,i_cues_position(-1)
 955         ,i_chapters_position(-1)
 956         ,i_tags_position(-1)
 957         ,cluster(NULL)
 958         ,i_start_pos(0)
 959         ,b_cues(VLC_FALSE)
 960         ,i_index(0)
 961         ,i_index_max(1024)
 962         ,psz_muxing_application(NULL)
 963         ,psz_writing_application(NULL)
 964         ,psz_segment_filename(NULL)
 965         ,psz_title(NULL)
 966         ,psz_date_utc(NULL)
 967         ,i_default_edition(0)
 968         ,sys(demuxer)
 969         ,ep(NULL)
 970         ,b_preloaded(false)
 971     {
 972         index = (mkv_index_t*)malloc( sizeof( mkv_index_t ) * i_index_max );
 973     }
 974
 975     virtual ~matroska_segment_c()
 976     {
 977         for( size_t i_track = 0; i_track < tracks.size(); i_track++ )
 978         {
 979             if( tracks[i_track]->fmt.psz_description )
 980             {
 981                 free( tracks[i_track]->fmt.psz_description );
 982             }
 983             if( tracks[i_track]->psz_codec )
 984             {
 985                 free( tracks[i_track]->psz_codec );
 986             }
 987             if( tracks[i_track]->fmt.psz_language )
 988             {
 989                 free( tracks[i_track]->fmt.psz_language );
 990             }
 991             delete tracks[i_track];
 992         }
 993
 994         if( psz_writing_application )
 995         {
 996             free( psz_writing_application );
 997         }
 998         if( psz_muxing_application )
 999         {
1000             free( psz_muxing_application );
1001         }
1002         if( psz_segment_filename )
1003         {
1004             free( psz_segment_filename );
1005         }
1006         if( psz_title )
1007         {
1008             free( psz_title );
1009         }
1010         if( psz_date_utc )
1011         {
1012             free( psz_date_utc );
1013         }
1014         if ( index )
1015             free( index );
1016
1017         delete ep;
1018
1019         std::vector<chapter_edition_c*>::iterator index = stored_editions.begin();
1020         while ( index != stored_editions.end() )
1021         {
1022             delete (*index);
1023             index++;
1024         }
1025     }
1026
1027     KaxSegment              *segment;
1028     EbmlStream              & es;
1029
1030     /* time scale */
1031     uint64_t                i_timescale;
1032
1033     /* duration of the segment */
1034     mtime_t                 i_duration;
1035     mtime_t                 i_start_time;
1036
1037     /* all tracks */
1038     std::vector<mkv_track_t*> tracks;
1039
1040     /* from seekhead */
1041     int64_t                 i_cues_position;
1042     int64_t                 i_chapters_position;
1043     int64_t                 i_tags_position;
1044
1045     KaxCluster              *cluster;
1046     int64_t                 i_start_pos;
1047     KaxSegmentUID           segment_uid;
1048     KaxPrevUID              prev_segment_uid;
1049     KaxNextUID              next_segment_uid;
1050
1051     vlc_bool_t              b_cues;
1052     int                     i_index;
1053     int                     i_index_max;
1054     mkv_index_t             *index;
1055
1056     /* info */
1057     char                    *psz_muxing_application;
1058     char                    *psz_writing_application;
1059     char                    *psz_segment_filename;
1060     char                    *psz_title;
1061     char                    *psz_date_utc;
1062
1063     /* !!!!! GCC 3.3 bug on Darwin !!!!! */
1064     /* when you remove this variable the compiler issues an atomicity error */
1065     /* this variable only works when using std::vector<chapter_edition_c> */
1066     std::vector<chapter_edition_c*> stored_editions;
1067     int                             i_default_edition;
1068
1069     std::vector<chapter_translation_c> translations;
1070     std::vector<KaxSegmentFamily>  families;
1071
1072     demux_sys_t                    & sys;
1073     EbmlParser                     *ep;
1074     bool                           b_preloaded;
1075
1076     bool Preload( );
1077     bool PreloadFamily( const matroska_segment_c & segment );
1078     void ParseInfo( KaxInfo *info );
1079     void ParseChapters( KaxChapters *chapters );
1080     void ParseSeekHead( KaxSeekHead *seekhead );
1081     void ParseTracks( KaxTracks *tracks );
1082     void ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters );
1083     void ParseTrackEntry( KaxTrackEntry *m );
1084     void ParseCluster( );
1085     void IndexAppendCluster( KaxCluster *cluster );
1086     void LoadCues( );
1087     void LoadTags( );
1088     void InformationCreate( );
1089     void Seek( mtime_t i_date, mtime_t i_time_offset );
1090     int BlockGet( KaxBlock **pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration );
1091     bool Select( mtime_t i_start_time );
1092     void UnSelect( );
1093
1094     static bool CompareSegmentUIDs( const matroska_segment_c * item_a, const matroska_segment_c * item_b );
1095 };
1096
1097 // class holding hard-linked segment together in the playback order
1098 class virtual_segment_c
1099 {
1100 public:
1101     virtual_segment_c( matroska_segment_c *p_segment )
1102         :p_editions(NULL)
1103         ,i_sys_title(0)
1104         ,i_current_segment(0)
1105         ,i_current_edition(-1)
1106         ,psz_current_chapter(NULL)
1107     {
1108         linked_segments.push_back( p_segment );
1109
1110         AppendUID( p_segment->segment_uid );
1111         AppendUID( p_segment->prev_segment_uid );
1112         AppendUID( p_segment->next_segment_uid );
1113     }
1114
1115     void Sort();
1116     size_t AddSegment( matroska_segment_c *p_segment );
1117     void PreloadLinked( );
1118     mtime_t Duration( ) const;
1119     void LoadCues( );
1120     void Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter );
1121
1122     inline chapter_edition_c *Edition()
1123     {
1124         if ( i_current_edition >= 0 && size_t(i_current_edition) < p_editions->size() )
1125             return (*p_editions)[i_current_edition];
1126         return NULL;
1127     }
1128
1129     matroska_segment_c * Segment() const
1130     {
1131         if ( linked_segments.size() == 0 || i_current_segment >= linked_segments.size() )
1132             return NULL;
1133         return linked_segments[i_current_segment];
1134     }
1135
1136     inline chapter_item_c *CurrentChapter() {
1137         return psz_current_chapter;
1138     }
1139
1140     bool SelectNext()
1141     {
1142         if ( i_current_segment < linked_segments.size()-1 )
1143         {
1144             i_current_segment++;
1145             return true;
1146         }
1147         return false;
1148     }
1149
1150     bool FindUID( KaxSegmentUID & uid ) const
1151     {
1152         for ( size_t i=0; i<linked_uids.size(); i++ )
1153         {
1154             if ( linked_uids[i] == uid )
1155                 return true;
1156         }
1157         return false;
1158     }
1159
1160     bool UpdateCurrentToChapter( demux_t & demux );
1161     void PrepareChapters( );
1162
1163     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
1164                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
1165                                         const void *p_cookie,
1166                                         size_t i_cookie_size );
1167     chapter_item_c *FindChapter( int64_t i_find_uid );
1168
1169     std::vector<chapter_edition_c*>  *p_editions;
1170     int                              i_sys_title;
1171
1172 protected:
1173     std::vector<matroska_segment_c*> linked_segments;
1174     std::vector<KaxSegmentUID>       linked_uids;
1175     size_t                           i_current_segment;
1176
1177     int                              i_current_edition;
1178     chapter_item_c                   *psz_current_chapter;
1179
1180     void                             AppendUID( const EbmlBinary & UID );
1181 };
1182
1183 class matroska_stream_c
1184 {
1185 public:
1186     matroska_stream_c( demux_sys_t & demuxer )
1187         :p_in(NULL)
1188         ,p_es(NULL)
1189         ,sys(demuxer)
1190     {}
1191
1192     virtual ~matroska_stream_c()
1193     {
1194         delete p_in;
1195         delete p_es;
1196     }
1197
1198     IOCallback         *p_in;
1199     EbmlStream         *p_es;
1200
1201     std::vector<matroska_segment_c*> segments;
1202
1203     demux_sys_t                      & sys;
1204 };
1205
1206 typedef struct
1207 {
1208     VLC_COMMON_MEMBERS
1209
1210     demux_t        *p_demux;
1211     vlc_mutex_t     lock;
1212
1213     vlc_bool_t      b_moved;
1214     vlc_bool_t      b_clicked;
1215     vlc_bool_t      b_key;
1216
1217 } event_thread_t;
1218
1219 class demux_sys_t
1220 {
1221 public:
1222     demux_sys_t( demux_t & demux )
1223         :demuxer(demux)
1224         ,i_pts(0)
1225         ,i_start_pts(0)
1226         ,i_chapter_time(0)
1227         ,meta(NULL)
1228         ,i_current_title(0)
1229         ,p_current_segment(NULL)
1230         ,dvd_interpretor( *this )
1231         ,f_duration(-1.0)
1232         ,b_ui_hooked(false)
1233         ,p_input(NULL)
1234         ,i_curr_button(0)
1235         ,p_ev(NULL)
1236     {
1237         vlc_mutex_init( &demuxer, &lock_demuxer );
1238     }
1239
1240     virtual ~demux_sys_t()
1241     {
1242         StopUiThread();
1243         size_t i;
1244         for ( i=0; i<streams.size(); i++ )
1245             delete streams[i];
1246         for ( i=0; i<opened_segments.size(); i++ )
1247             delete opened_segments[i];
1248         for ( i=0; i<used_segments.size(); i++ )
1249             delete used_segments[i];
1250         vlc_mutex_destroy( &lock_demuxer );
1251     }
1252
1253     /* current data */
1254     demux_t                 & demuxer;
1255
1256     mtime_t                 i_pts;
1257     mtime_t                 i_start_pts;
1258     mtime_t                 i_chapter_time;
1259
1260     vlc_meta_t              *meta;
1261
1262     std::vector<input_title_t>       titles; // matroska editions
1263     size_t                           i_current_title;
1264
1265     std::vector<matroska_stream_c*>  streams;
1266     std::vector<matroska_segment_c*> opened_segments;
1267     std::vector<virtual_segment_c*>  used_segments;
1268     virtual_segment_c                *p_current_segment;
1269
1270     dvd_command_interpretor_c        dvd_interpretor;
1271
1272     /* duration of the stream */
1273     float                   f_duration;
1274
1275     matroska_segment_c *FindSegment( const EbmlBinary & uid ) const;
1276     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
1277                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
1278                                         const void *p_cookie,
1279                                         size_t i_cookie_size,
1280                                         virtual_segment_c * & p_segment_found );
1281     chapter_item_c *FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found );
1282
1283     void PreloadFamily( const matroska_segment_c & of_segment );
1284     void PreloadLinked( matroska_segment_c *p_segment );
1285     bool PreparePlayback( virtual_segment_c *p_new_segment );
1286     matroska_stream_c *AnalyseAllSegmentsFound( EbmlStream *p_estream );
1287
1288     void StartUiThread();
1289     void StopUiThread();
1290     bool b_ui_hooked;
1291     inline void SwapButtons();
1292
1293     /* for spu variables */
1294     input_thread_t *p_input;
1295     pci_t          pci_packet;
1296     int16          i_curr_button;
1297     uint8_t        alpha[4];
1298     vlc_mutex_t    lock_demuxer;
1299
1300     /* event */
1301     event_thread_t *p_ev;
1302     static int EventThread( vlc_object_t *p_this );
1303     static int EventMouse( vlc_object_t *p_this, char const *psz_var,
1304                        vlc_value_t oldval, vlc_value_t newval, void *p_data );
1305     static int EventKey( vlc_object_t *p_this, char const *psz_var,
1306                      vlc_value_t oldval, vlc_value_t newval, void *p_data );
1307
1308
1309
1310 protected:
1311     virtual_segment_c *VirtualFromSegments( matroska_segment_c *p_segment ) const;
1312     bool IsUsedSegment( matroska_segment_c &p_segment ) const;
1313 };
1314
1315 static int  Demux  ( demux_t * );
1316 static int  Control( demux_t *, int, va_list );
1317 static void Seek   ( demux_t *, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter );
1318
1319 #define MKV_IS_ID( el, C ) ( EbmlId( (*el) ) == C::ClassInfos.GlobalId )
1320
1321 static char *UTF8ToStr          ( const UTFstring &u );
1322
1323 /*****************************************************************************
1324  * Open: initializes matroska demux structures
1325  *****************************************************************************/
1326 static int Open( vlc_object_t * p_this )
1327 {
1328     demux_t            *p_demux = (demux_t*)p_this;
1329     demux_sys_t        *p_sys;
1330     matroska_stream_c  *p_stream;
1331     matroska_segment_c *p_segment;
1332     uint8_t            *p_peek;
1333     std::string        s_path, s_filename;
1334     vlc_stream_io_callback *p_io_callback;
1335     EbmlStream         *p_io_stream;
1336
1337     /* peek the begining */
1338     if( stream_Peek( p_demux->s, &p_peek, 4 ) < 4 ) return VLC_EGENERIC;
1339
1340     /* is a valid file */
1341     if( p_peek[0] != 0x1a || p_peek[1] != 0x45 ||
1342         p_peek[2] != 0xdf || p_peek[3] != 0xa3 ) return VLC_EGENERIC;
1343
1344     /* Set the demux function */
1345     p_demux->pf_demux   = Demux;
1346     p_demux->pf_control = Control;
1347     p_demux->p_sys      = p_sys = new demux_sys_t( *p_demux );
1348
1349     p_io_callback = new vlc_stream_io_callback( p_demux->s );
1350     p_io_stream = new EbmlStream( *p_io_callback );
1351
1352     if( p_io_stream == NULL )
1353     {
1354         msg_Err( p_demux, "failed to create EbmlStream" );
1355         delete p_io_callback;
1356         delete p_sys;
1357         return VLC_EGENERIC;
1358     }
1359
1360     p_stream = p_sys->AnalyseAllSegmentsFound( p_io_stream );
1361     if( p_stream == NULL )
1362     {
1363         msg_Err( p_demux, "cannot find KaxSegment" );
1364         goto error;
1365     }
1366     p_sys->streams.push_back( p_stream );
1367
1368     p_stream->p_in = p_io_callback;
1369     p_stream->p_es = p_io_stream;
1370
1371     for (size_t i=0; i<p_stream->segments.size(); i++)
1372     {
1373         p_stream->segments[i]->Preload();
1374     }
1375
1376     p_segment = p_stream->segments[0];
1377     if( p_segment->cluster != NULL )
1378     {
1379         msg_Warn( p_demux, "cannot find any cluster, damaged file ?" );
1380
1381         // reset the stream reading to the first cluster of the segment used
1382         p_stream->p_in->setFilePointer( p_segment->cluster->GetElementPosition() );
1383     }
1384
1385     /* get the files from the same dir from the same family (based on p_demux->psz_path) */
1386     if (p_demux->psz_path[0] != '\0' && !strcmp(p_demux->psz_access, ""))
1387     {
1388         // assume it's a regular file
1389         // get the directory path
1390         s_path = p_demux->psz_path;
1391         if (s_path.at(s_path.length() - 1) == DIRECTORY_SEPARATOR)
1392         {
1393             s_path = s_path.substr(0,s_path.length()-1);
1394         }
1395         else
1396         {
1397             if (s_path.find_last_of(DIRECTORY_SEPARATOR) > 0)
1398             {
1399                 s_path = s_path.substr(0,s_path.find_last_of(DIRECTORY_SEPARATOR));
1400             }
1401         }
1402
1403         struct dirent *p_file_item;
1404         DIR *p_src_dir = opendir(s_path.c_str());
1405
1406         if (p_src_dir != NULL)
1407         {
1408             while ((p_file_item = (dirent *) readdir(p_src_dir)))
1409             {
1410                 if (strlen(p_file_item->d_name) > 4)
1411                 {
1412                     s_filename = s_path + DIRECTORY_SEPARATOR + p_file_item->d_name;
1413
1414                     if (!s_filename.compare(p_demux->psz_path))
1415                         continue; // don't reuse the original opened file
1416
1417 #if defined(__GNUC__) && (__GNUC__ < 3)
1418                     if (!s_filename.compare("mkv", s_filename.length() - 3, 3) ||
1419                         !s_filename.compare("mka", s_filename.length() - 3, 3))
1420 #else
1421                     if (!s_filename.compare(s_filename.length() - 3, 3, "mkv") ||
1422                         !s_filename.compare(s_filename.length() - 3, 3, "mka"))
1423 #endif
1424                     {
1425                         // test wether this file belongs to the our family
1426                         StdIOCallback *p_file_io = new StdIOCallback(s_filename.c_str(), MODE_READ);
1427                         EbmlStream *p_estream = new EbmlStream(*p_file_io);
1428
1429                         p_stream = p_sys->AnalyseAllSegmentsFound( p_estream );
1430                         if ( p_stream == NULL )
1431                         {
1432                             msg_Dbg( p_demux, "the file '%s' will not be used", s_filename.c_str() );
1433                             delete p_estream;
1434                             delete p_file_io;
1435                         }
1436                         else
1437                         {
1438                             p_stream->p_in = p_file_io;
1439                             p_stream->p_es = p_estream;
1440                             p_sys->streams.push_back( p_stream );
1441                         }
1442                     }
1443                 }
1444             }
1445             closedir( p_src_dir );
1446         }
1447     }
1448
1449     p_sys->PreloadFamily( *p_segment );
1450     p_sys->PreloadLinked( p_segment );
1451     if ( !p_sys->PreparePlayback( NULL ) )
1452     {
1453         msg_Err( p_demux, "cannot use the segment" );
1454         goto error;
1455     }
1456
1457     return VLC_SUCCESS;
1458
1459 error:
1460     delete p_sys;
1461     return VLC_EGENERIC;
1462 }
1463
1464 /*****************************************************************************
1465  * Close: frees unused data
1466  *****************************************************************************/
1467 static void Close( vlc_object_t *p_this )
1468 {
1469     demux_t     *p_demux = (demux_t*)p_this;
1470     demux_sys_t *p_sys   = p_demux->p_sys;
1471
1472     delete p_sys;
1473 }
1474
1475 /*****************************************************************************
1476  * Control:
1477  *****************************************************************************/
1478 static int Control( demux_t *p_demux, int i_query, va_list args )
1479 {
1480     demux_sys_t        *p_sys = p_demux->p_sys;
1481     int64_t     *pi64;
1482     double      *pf, f;
1483     int         i_skp;
1484     size_t      i_idx;
1485
1486     vlc_meta_t **pp_meta;
1487
1488     switch( i_query )
1489     {
1490         case DEMUX_GET_META:
1491             pp_meta = (vlc_meta_t**)va_arg( args, vlc_meta_t** );
1492             *pp_meta = vlc_meta_Duplicate( p_sys->meta );
1493             return VLC_SUCCESS;
1494
1495         case DEMUX_GET_LENGTH:
1496             pi64 = (int64_t*)va_arg( args, int64_t * );
1497             if( p_sys->f_duration > 0.0 )
1498             {
1499                 *pi64 = (int64_t)(p_sys->f_duration * 1000);
1500                 return VLC_SUCCESS;
1501             }
1502             return VLC_EGENERIC;
1503
1504         case DEMUX_GET_POSITION:
1505             pf = (double*)va_arg( args, double * );
1506             if ( p_sys->f_duration > 0.0 )
1507                 *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);
1508             return VLC_SUCCESS;
1509
1510         case DEMUX_SET_POSITION:
1511             f = (double)va_arg( args, double );
1512             Seek( p_demux, -1, f, NULL );
1513             return VLC_SUCCESS;
1514
1515         case DEMUX_GET_TIME:
1516             pi64 = (int64_t*)va_arg( args, int64_t * );
1517             *pi64 = p_sys->i_pts;
1518             return VLC_SUCCESS;
1519
1520         case DEMUX_GET_TITLE_INFO:
1521             if( p_sys->titles.size() )
1522             {
1523                 input_title_t ***ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
1524                 int *pi_int    = (int*)va_arg( args, int* );
1525
1526                 *pi_int = p_sys->titles.size();
1527                 *ppp_title = (input_title_t**)malloc( sizeof( input_title_t**) * p_sys->titles.size() );
1528
1529                 for( size_t i = 0; i < p_sys->titles.size(); i++ )
1530                 {
1531                     (*ppp_title)[i] = vlc_input_title_Duplicate( &p_sys->titles[i] );
1532                 }
1533
1534                 return VLC_SUCCESS;
1535             }
1536             return VLC_EGENERIC;
1537
1538         case DEMUX_SET_TITLE:
1539             /* TODO handle editions as titles */
1540             i_idx = (int)va_arg( args, int );
1541             if( i_idx < p_sys->used_segments.size() )
1542             {
1543                 p_sys->PreparePlayback( p_sys->used_segments[i_idx] );
1544                 return VLC_SUCCESS;
1545             }
1546             return VLC_EGENERIC;
1547
1548         case DEMUX_SET_SEEKPOINT:
1549             i_skp = (int)va_arg( args, int );
1550
1551             // TODO change the way it works with the << & >> buttons on the UI (+1/-1 instead of a number)
1552             if( p_sys->titles.size() && i_skp < p_sys->titles[p_sys->i_current_title].i_seekpoint)
1553             {
1554                 Seek( p_demux, (int64_t)p_sys->titles[p_sys->i_current_title].seekpoint[i_skp]->i_time_offset, -1, NULL);
1555                 p_demux->info.i_seekpoint |= INPUT_UPDATE_SEEKPOINT;
1556                 p_demux->info.i_seekpoint = i_skp;
1557                 return VLC_SUCCESS;
1558             }
1559             return VLC_EGENERIC;
1560
1561         case DEMUX_SET_TIME:
1562         case DEMUX_GET_FPS:
1563         default:
1564             return VLC_EGENERIC;
1565     }
1566 }
1567
1568 int matroska_segment_c::BlockGet( KaxBlock **pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration )
1569 {
1570     *pp_block = NULL;
1571     *pi_ref1  = -1;
1572     *pi_ref2  = -1;
1573
1574     for( ;; )
1575     {
1576         EbmlElement *el;
1577         int         i_level;
1578
1579         if ( ep == NULL )
1580             return VLC_EGENERIC;
1581
1582         el = ep->Get();
1583         i_level = ep->GetLevel();
1584
1585         if( el == NULL && *pp_block != NULL )
1586         {
1587             /* update the index */
1588 #define idx index[i_index - 1]
1589             if( i_index > 0 && idx.i_time == -1 )
1590             {
1591                 idx.i_time        = (*pp_block)->GlobalTimecode() / (mtime_t)1000;
1592                 idx.b_key         = *pi_ref1 == -1 ? VLC_TRUE : VLC_FALSE;
1593             }
1594 #undef idx
1595             return VLC_SUCCESS;
1596         }
1597
1598         if( el == NULL )
1599         {
1600             if( ep->GetLevel() > 1 )
1601             {
1602                 ep->Up();
1603                 continue;
1604             }
1605             msg_Warn( &sys.demuxer, "EOF" );
1606             return VLC_EGENERIC;
1607         }
1608
1609         /* do parsing */
1610         switch ( i_level )
1611         {
1612         case 1:
1613             if( MKV_IS_ID( el, KaxCluster ) )
1614             {
1615                 cluster = (KaxCluster*)el;
1616
1617                 /* add it to the index */
1618                 if( i_index == 0 ||
1619                     ( i_index > 0 && index[i_index - 1].i_position < (int64_t)cluster->GetElementPosition() ) )
1620                 {
1621                     IndexAppendCluster( cluster );
1622                 }
1623
1624                 // reset silent tracks
1625                 for (size_t i=0; i<tracks.size(); i++)
1626                 {
1627                     tracks[i]->b_silent = VLC_FALSE;
1628                 }
1629
1630                 ep->Down();
1631             }
1632             else if( MKV_IS_ID( el, KaxCues ) )
1633             {
1634                 msg_Warn( &sys.demuxer, "find KaxCues FIXME" );
1635                 return VLC_EGENERIC;
1636             }
1637             else
1638             {
1639                 msg_Dbg( &sys.demuxer, "unknown (%s)", typeid( el ).name() );
1640             }
1641             break;
1642         case 2:
1643             if( MKV_IS_ID( el, KaxClusterTimecode ) )
1644             {
1645                 KaxClusterTimecode &ctc = *(KaxClusterTimecode*)el;
1646
1647                 ctc.ReadData( es.I_O(), SCOPE_ALL_DATA );
1648                 cluster->InitTimecode( uint64( ctc ), i_timescale );
1649             }
1650             else if( MKV_IS_ID( el, KaxClusterSilentTracks ) )
1651             {
1652                 ep->Down();
1653             }
1654             else if( MKV_IS_ID( el, KaxBlockGroup ) )
1655             {
1656                 ep->Down();
1657             }
1658             break;
1659         case 3:
1660             if( MKV_IS_ID( el, KaxBlock ) )
1661             {
1662                 *pp_block = (KaxBlock*)el;
1663
1664                 (*pp_block)->ReadData( es.I_O() );
1665                 (*pp_block)->SetParent( *cluster );
1666
1667                 ep->Keep();
1668             }
1669             else if( MKV_IS_ID( el, KaxBlockDuration ) )
1670             {
1671                 KaxBlockDuration &dur = *(KaxBlockDuration*)el;
1672
1673                 dur.ReadData( es.I_O() );
1674                 *pi_duration = uint64( dur );
1675             }
1676             else if( MKV_IS_ID( el, KaxReferenceBlock ) )
1677             {
1678                 KaxReferenceBlock &ref = *(KaxReferenceBlock*)el;
1679
1680                 ref.ReadData( es.I_O() );
1681                 if( *pi_ref1 == -1 )
1682                 {
1683                     *pi_ref1 = int64( ref );
1684                 }
1685                 else
1686                 {
1687                     *pi_ref2 = int64( ref );
1688                 }
1689             }
1690             else if( MKV_IS_ID( el, KaxClusterSilentTrackNumber ) )
1691             {
1692                 KaxClusterSilentTrackNumber &track_num = *(KaxClusterSilentTrackNumber*)el;
1693                 track_num.ReadData( es.I_O() );
1694                 // find the track
1695                 for (size_t i=0; i<tracks.size(); i++)
1696                 {
1697                     if ( tracks[i]->i_number == uint32(track_num))
1698                     {
1699                         tracks[i]->b_silent = VLC_TRUE;
1700                         break;
1701                     }
1702                 }
1703             }
1704             break;
1705         default:
1706             msg_Err( &sys.demuxer, "invalid level = %d", i_level );
1707             return VLC_EGENERIC;
1708         }
1709     }
1710 }
1711
1712 static block_t *MemToBlock( demux_t *p_demux, uint8_t *p_mem, int i_mem)
1713 {
1714     block_t *p_block;
1715     if( !(p_block = block_New( p_demux, i_mem ) ) ) return NULL;
1716     memcpy( p_block->p_buffer, p_mem, i_mem );
1717     //p_block->i_rate = p_input->stream.control.i_rate;
1718     return p_block;
1719 }
1720
1721 static void BlockDecode( demux_t *p_demux, KaxBlock *block, mtime_t i_pts,
1722                          mtime_t i_duration )
1723 {
1724     demux_sys_t        *p_sys = p_demux->p_sys;
1725     matroska_segment_c *p_segment = p_sys->p_current_segment->Segment();
1726
1727     size_t          i_track;
1728     unsigned int    i;
1729     vlc_bool_t      b;
1730
1731 #define tk  p_segment->tracks[i_track]
1732     for( i_track = 0; i_track < p_segment->tracks.size(); i_track++ )
1733     {
1734         if( tk->i_number == block->TrackNum() )
1735         {
1736             break;
1737         }
1738     }
1739
1740     if( i_track >= p_segment->tracks.size() )
1741     {
1742         msg_Err( p_demux, "invalid track number=%d", block->TrackNum() );
1743         return;
1744     }
1745     if( tk->p_es == NULL )
1746     {
1747         msg_Err( p_demux, "unknown track number=%d", block->TrackNum() );
1748         return;
1749     }
1750     if( i_pts < p_sys->i_start_pts && tk->fmt.i_cat == AUDIO_ES )
1751     {
1752         return; /* discard audio packets that shouldn't be rendered */
1753     }
1754
1755     if ( tk->fmt.i_cat != SPU_ES || strcmp( tk->psz_codec, "B_VOBBTN" ) )
1756     {
1757         es_out_Control( p_demux->out, ES_OUT_GET_ES_STATE, tk->p_es, &b );
1758
1759         if( !b )
1760         {
1761             tk->b_inited = VLC_FALSE;
1762             return;
1763         }
1764     }
1765
1766
1767     /* First send init data */
1768     if( !tk->b_inited && tk->i_data_init > 0 )
1769     {
1770         block_t *p_init;
1771
1772         msg_Dbg( p_demux, "sending header (%d bytes)", tk->i_data_init );
1773         p_init = MemToBlock( p_demux, tk->p_data_init, tk->i_data_init );
1774         if( p_init ) es_out_Send( p_demux->out, tk->p_es, p_init );
1775     }
1776     tk->b_inited = VLC_TRUE;
1777
1778
1779     for( i = 0; i < block->NumberFrames(); i++ )
1780     {
1781         block_t *p_block;
1782         DataBuffer &data = block->GetBuffer(i);
1783
1784         p_block = MemToBlock( p_demux, data.Buffer(), data.Size() );
1785
1786         if( p_block == NULL )
1787         {
1788             break;
1789         }
1790
1791 #if defined(HAVE_ZLIB_H)
1792         if( tk->i_compression_type )
1793         {
1794             p_block = block_zlib_decompress( VLC_OBJECT(p_demux), p_block );
1795         }
1796 #endif
1797
1798         // TODO implement correct timestamping when B frames are used
1799         if( tk->fmt.i_cat != VIDEO_ES )
1800         {
1801             p_block->i_dts = p_block->i_pts = i_pts;
1802         }
1803         else
1804         {
1805             p_block->i_dts = i_pts;
1806             p_block->i_pts = 0;
1807         }
1808
1809         if ( tk->fmt.i_cat == SPU_ES )
1810         {
1811             if ( !strcmp( tk->psz_codec, "B_VOBBTN" ) )
1812             {
1813                 // TODO handle the start/stop times of this packet
1814                 if ( p_sys->b_ui_hooked )
1815                 {
1816                     vlc_mutex_lock( &p_sys->p_ev->lock );
1817                     memcpy( &p_sys->pci_packet, &p_block->p_buffer[1], sizeof(pci_t) );
1818                     p_sys->SwapButtons();
1819                     vlc_mutex_unlock( &p_sys->p_ev->lock );
1820                     block_Release( p_block );
1821                 }
1822                 return;
1823             }
1824
1825             else if ( strcmp( tk->psz_codec, "S_VOBSUB" ) )
1826             {
1827                 p_block->i_length = i_duration * 1000;
1828             }
1829         }
1830
1831         es_out_Send( p_demux->out, tk->p_es, p_block );
1832
1833         /* use time stamp only for first block */
1834         i_pts = 0;
1835     }
1836
1837 #undef tk
1838 }
1839
1840 matroska_stream_c *demux_sys_t::AnalyseAllSegmentsFound( EbmlStream *p_estream )
1841 {
1842     int i_upper_lvl = 0;
1843     size_t i;
1844     EbmlElement *p_l0, *p_l1, *p_l2;
1845     bool b_keep_stream = false, b_keep_segment;
1846
1847     // verify the EBML Header
1848     p_l0 = p_estream->FindNextID(EbmlHead::ClassInfos, 0xFFFFFFFFL);
1849     if (p_l0 == NULL)
1850     {
1851         return NULL;
1852     }
1853     p_l0->SkipData(*p_estream, EbmlHead_Context);
1854     delete p_l0;
1855
1856     // find all segments in this file
1857     p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFL);
1858     if (p_l0 == NULL)
1859     {
1860         return NULL;
1861     }
1862
1863     matroska_stream_c *p_stream1 = new matroska_stream_c( *this );
1864
1865     while (p_l0 != 0)
1866     {
1867         if (EbmlId(*p_l0) == KaxSegment::ClassInfos.GlobalId)
1868         {
1869             EbmlParser  *ep;
1870             matroska_segment_c *p_segment1 = new matroska_segment_c( *this, *p_estream );
1871             b_keep_segment = false;
1872
1873             ep = new EbmlParser(p_estream, p_l0, &demuxer );
1874             p_segment1->ep = ep;
1875             p_segment1->segment = (KaxSegment*)p_l0;
1876
1877             while ((p_l1 = ep->Get()))
1878             {
1879                 if (MKV_IS_ID(p_l1, KaxInfo))
1880                 {
1881                     // find the families of this segment
1882                     KaxInfo *p_info = static_cast<KaxInfo*>(p_l1);
1883
1884                     p_info->Read(*p_estream, KaxInfo::ClassInfos.Context, i_upper_lvl, p_l2, true);
1885                     for( i = 0; i < p_info->ListSize(); i++ )
1886                     {
1887                         EbmlElement *l = (*p_info)[i];
1888
1889                         if( MKV_IS_ID( l, KaxSegmentUID ) )
1890                         {
1891                             KaxSegmentUID *p_uid = static_cast<KaxSegmentUID*>(l);
1892                             b_keep_segment = (FindSegment( *p_uid ) == NULL);
1893                             if ( !b_keep_segment )
1894                                 break; // this segment is already known
1895                             opened_segments.push_back( p_segment1 );
1896                             p_segment1->segment_uid = *( new KaxSegmentUID(*p_uid) );
1897                         }
1898                         else if( MKV_IS_ID( l, KaxPrevUID ) )
1899                         {
1900                             p_segment1->prev_segment_uid = *( new KaxPrevUID( *static_cast<KaxPrevUID*>(l) ) );
1901                         }
1902                         else if( MKV_IS_ID( l, KaxNextUID ) )
1903                         {
1904                             p_segment1->next_segment_uid = *( new KaxNextUID( *static_cast<KaxNextUID*>(l) ) );
1905                         }
1906                         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
1907                         {
1908                             KaxSegmentFamily *p_fam = new KaxSegmentFamily( *static_cast<KaxSegmentFamily*>(l) );
1909                             p_segment1->families.push_back( *p_fam );
1910                         }
1911                     }
1912                     break;
1913                 }
1914             }
1915             if ( b_keep_segment )
1916             {
1917                 b_keep_stream = true;
1918                 p_stream1->segments.push_back( p_segment1 );
1919             }
1920             else
1921                 delete p_segment1;
1922         }
1923
1924         p_l0->SkipData(*p_estream, EbmlHead_Context);
1925         p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFL);
1926     }
1927
1928     if ( !b_keep_stream )
1929     {
1930         delete p_stream1;
1931         p_stream1 = NULL;
1932     }
1933
1934     return p_stream1;
1935 }
1936
1937 bool matroska_segment_c::Select( mtime_t i_start_time )
1938 {
1939     size_t i_track;
1940
1941     /* add all es */
1942     msg_Dbg( &sys.demuxer, "found %d es", tracks.size() );
1943     sys.StopUiThread();
1944     for( i_track = 0; i_track < tracks.size(); i_track++ )
1945     {
1946         if( tracks[i_track]->fmt.i_cat == UNKNOWN_ES )
1947         {
1948             msg_Warn( &sys.demuxer, "invalid track[%d, n=%d]", i_track, tracks[i_track]->i_number );
1949             tracks[i_track]->p_es = NULL;
1950             continue;
1951         }
1952
1953         if( !strcmp( tracks[i_track]->psz_codec, "V_MS/VFW/FOURCC" ) )
1954         {
1955             if( tracks[i_track]->i_extra_data < (int)sizeof( BITMAPINFOHEADER ) )
1956             {
1957                 msg_Err( &sys.demuxer, "missing/invalid BITMAPINFOHEADER" );
1958                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
1959             }
1960             else
1961             {
1962                 BITMAPINFOHEADER *p_bih = (BITMAPINFOHEADER*)tracks[i_track]->p_extra_data;
1963
1964                 tracks[i_track]->fmt.video.i_width = GetDWLE( &p_bih->biWidth );
1965                 tracks[i_track]->fmt.video.i_height= GetDWLE( &p_bih->biHeight );
1966                 tracks[i_track]->fmt.i_codec       = GetFOURCC( &p_bih->biCompression );
1967
1968                 tracks[i_track]->fmt.i_extra       = GetDWLE( &p_bih->biSize ) - sizeof( BITMAPINFOHEADER );
1969                 if( tracks[i_track]->fmt.i_extra > 0 )
1970                 {
1971                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
1972                     memcpy( tracks[i_track]->fmt.p_extra, &p_bih[1], tracks[i_track]->fmt.i_extra );
1973                 }
1974             }
1975         }
1976         else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG1" ) ||
1977                  !strcmp( tracks[i_track]->psz_codec, "V_MPEG2" ) )
1978         {
1979             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'v' );
1980         }
1981         else if( !strncmp( tracks[i_track]->psz_codec, "V_MPEG4", 7 ) )
1982         {
1983             if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/MS/V3" ) )
1984             {
1985                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'D', 'I', 'V', '3' );
1986             }
1987             else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/ISO/AVC" ) )
1988             {
1989                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'v', 'c', '1' );
1990                 tracks[i_track]->fmt.b_packetized = VLC_FALSE;
1991                 tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
1992                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
1993                 memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
1994             }
1995             else
1996             {
1997                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' );
1998             }
1999         }
2000         else if( !strcmp( tracks[i_track]->psz_codec, "V_QUICKTIME" ) )
2001         {
2002             MP4_Box_t *p_box = (MP4_Box_t*)malloc( sizeof( MP4_Box_t ) );
2003 #ifdef VSLHC
2004             stream_t *p_mp4_stream = stream_MemoryNew( VLC_OBJECT(&sys.demuxer),
2005                                                        tracks[i_track]->p_extra_data,
2006                                                        tracks[i_track]->i_extra_data );
2007 #else
2008             stream_t *p_mp4_stream = stream_MemoryNew( VLC_OBJECT(&sys.demuxer),
2009                                                        tracks[i_track]->p_extra_data,
2010                                                        tracks[i_track]->i_extra_data,
2011                                                        VLC_FALSE );
2012 #endif
2013             MP4_ReadBoxCommon( p_mp4_stream, p_box );
2014             MP4_ReadBox_sample_vide( p_mp4_stream, p_box );
2015             tracks[i_track]->fmt.i_codec = p_box->i_type;
2016             tracks[i_track]->fmt.video.i_width = p_box->data.p_sample_vide->i_width;
2017             tracks[i_track]->fmt.video.i_height = p_box->data.p_sample_vide->i_height;
2018             tracks[i_track]->fmt.i_extra = p_box->data.p_sample_vide->i_qt_image_description;
2019             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2020             memcpy( tracks[i_track]->fmt.p_extra, p_box->data.p_sample_vide->p_qt_image_description, tracks[i_track]->fmt.i_extra );
2021             MP4_FreeBox_sample_vide( p_box );
2022 #ifdef VSLHC
2023             stream_MemoryDelete( p_mp4_stream, VLC_TRUE );
2024 #else
2025             stream_Delete( p_mp4_stream );
2026 #endif
2027         }
2028         else if( !strcmp( tracks[i_track]->psz_codec, "A_MS/ACM" ) )
2029         {
2030             if( tracks[i_track]->i_extra_data < (int)sizeof( WAVEFORMATEX ) )
2031             {
2032                 msg_Err( &sys.demuxer, "missing/invalid WAVEFORMATEX" );
2033                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2034             }
2035             else
2036             {
2037                 WAVEFORMATEX *p_wf = (WAVEFORMATEX*)tracks[i_track]->p_extra_data;
2038
2039                 wf_tag_to_fourcc( GetWLE( &p_wf->wFormatTag ), &tracks[i_track]->fmt.i_codec, NULL );
2040
2041                 tracks[i_track]->fmt.audio.i_channels   = GetWLE( &p_wf->nChannels );
2042                 tracks[i_track]->fmt.audio.i_rate = GetDWLE( &p_wf->nSamplesPerSec );
2043                 tracks[i_track]->fmt.i_bitrate    = GetDWLE( &p_wf->nAvgBytesPerSec ) * 8;
2044                 tracks[i_track]->fmt.audio.i_blockalign = GetWLE( &p_wf->nBlockAlign );;
2045                 tracks[i_track]->fmt.audio.i_bitspersample = GetWLE( &p_wf->wBitsPerSample );
2046
2047                 tracks[i_track]->fmt.i_extra            = GetWLE( &p_wf->cbSize );
2048                 if( tracks[i_track]->fmt.i_extra > 0 )
2049                 {
2050                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2051                     memcpy( tracks[i_track]->fmt.p_extra, &p_wf[1], tracks[i_track]->fmt.i_extra );
2052                 }
2053             }
2054         }
2055         else if( !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L3" ) ||
2056                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L2" ) ||
2057                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L1" ) )
2058         {
2059             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' );
2060         }
2061         else if( !strcmp( tracks[i_track]->psz_codec, "A_AC3" ) )
2062         {
2063             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' );
2064         }
2065         else if( !strcmp( tracks[i_track]->psz_codec, "A_DTS" ) )
2066         {
2067             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'd', 't', 's', ' ' );
2068         }
2069         else if( !strcmp( tracks[i_track]->psz_codec, "A_FLAC" ) )
2070         {
2071             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'f', 'l', 'a', 'c' );
2072             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2073             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2074             memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2075         }
2076         else if( !strcmp( tracks[i_track]->psz_codec, "A_VORBIS" ) )
2077         {
2078             int i, i_offset = 1, i_size[3], i_extra;
2079             uint8_t *p_extra;
2080
2081             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'v', 'o', 'r', 'b' );
2082
2083             /* Split the 3 headers */
2084             if( tracks[i_track]->p_extra_data[0] != 0x02 )
2085                 msg_Err( &sys.demuxer, "invalid vorbis header" );
2086
2087             for( i = 0; i < 2; i++ )
2088             {
2089                 i_size[i] = 0;
2090                 while( i_offset < tracks[i_track]->i_extra_data )
2091                 {
2092                     i_size[i] += tracks[i_track]->p_extra_data[i_offset];
2093                     if( tracks[i_track]->p_extra_data[i_offset++] != 0xff ) break;
2094                 }
2095             }
2096
2097             i_size[0] = __MIN(i_size[0], tracks[i_track]->i_extra_data - i_offset);
2098             i_size[1] = __MIN(i_size[1], tracks[i_track]->i_extra_data -i_offset -i_size[0]);
2099             i_size[2] = tracks[i_track]->i_extra_data - i_offset - i_size[0] - i_size[1];
2100
2101             tracks[i_track]->fmt.i_extra = 3 * 2 + i_size[0] + i_size[1] + i_size[2];
2102             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2103             p_extra = (uint8_t *)tracks[i_track]->fmt.p_extra; i_extra = 0;
2104             for( i = 0; i < 3; i++ )
2105             {
2106                 *(p_extra++) = i_size[i] >> 8;
2107                 *(p_extra++) = i_size[i] & 0xFF;
2108                 memcpy( p_extra, tracks[i_track]->p_extra_data + i_offset + i_extra,
2109                         i_size[i] );
2110                 p_extra += i_size[i];
2111                 i_extra += i_size[i];
2112             }
2113         }
2114         else if( !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG2/", strlen( "A_AAC/MPEG2/" ) ) ||
2115                  !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG4/", strlen( "A_AAC/MPEG4/" ) ) )
2116         {
2117             int i_profile, i_srate;
2118             static unsigned int i_sample_rates[] =
2119             {
2120                     96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050,
2121                         16000, 12000, 11025, 8000,  7350,  0,     0,     0
2122             };
2123
2124             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
2125             /* create data for faad (MP4DecSpecificDescrTag)*/
2126
2127             if( !strcmp( &tracks[i_track]->psz_codec[12], "MAIN" ) )
2128             {
2129                 i_profile = 0;
2130             }
2131             else if( !strcmp( &tracks[i_track]->psz_codec[12], "LC" ) )
2132             {
2133                 i_profile = 1;
2134             }
2135             else if( !strcmp( &tracks[i_track]->psz_codec[12], "SSR" ) )
2136             {
2137                 i_profile = 2;
2138             }
2139             else
2140             {
2141                 i_profile = 3;
2142             }
2143
2144             for( i_srate = 0; i_srate < 13; i_srate++ )
2145             {
2146                 if( i_sample_rates[i_srate] == tracks[i_track]->fmt.audio.i_rate )
2147                 {
2148                     break;
2149                 }
2150             }
2151             msg_Dbg( &sys.demuxer, "profile=%d srate=%d", i_profile, i_srate );
2152
2153             tracks[i_track]->fmt.i_extra = 2;
2154             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2155             ((uint8_t*)tracks[i_track]->fmt.p_extra)[0] = ((i_profile + 1) << 3) | ((i_srate&0xe) >> 1);
2156             ((uint8_t*)tracks[i_track]->fmt.p_extra)[1] = ((i_srate & 0x1) << 7) | (tracks[i_track]->fmt.audio.i_channels << 3);
2157         }
2158         else if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) ||
2159                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/LIT" ) ||
2160                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/FLOAT/IEEE" ) )
2161         {
2162             if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) )
2163             {
2164                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
2165             }
2166             else
2167             {
2168                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
2169             }
2170             tracks[i_track]->fmt.audio.i_blockalign = ( tracks[i_track]->fmt.audio.i_bitspersample + 7 ) / 8 * tracks[i_track]->fmt.audio.i_channels;
2171         }
2172         else if( !strcmp( tracks[i_track]->psz_codec, "A_TTA1" ) )
2173         {
2174             /* FIXME: support this codec */
2175             msg_Err( &sys.demuxer, "TTA not supported yet[%d, n=%d]", i_track, tracks[i_track]->i_number );
2176             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2177         }
2178         else if( !strcmp( tracks[i_track]->psz_codec, "A_WAVPACK4" ) )
2179         {
2180             /* FIXME: support this codec */
2181             msg_Err( &sys.demuxer, "Wavpack not supported yet[%d, n=%d]", i_track, tracks[i_track]->i_number );
2182             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2183         }
2184         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/UTF8" ) )
2185         {
2186             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 'u', 'b', 't' );
2187             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2188         }
2189         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/SSA" ) ||
2190                  !strcmp( tracks[i_track]->psz_codec, "S_TEXT/ASS" ) ||
2191                  !strcmp( tracks[i_track]->psz_codec, "S_SSA" ) ||
2192                  !strcmp( tracks[i_track]->psz_codec, "S_ASS" ))
2193         {
2194             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 's', 'a', ' ' );
2195             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2196         }
2197         else if( !strcmp( tracks[i_track]->psz_codec, "S_VOBSUB" ) )
2198         {
2199             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's','p','u',' ' );
2200             if( tracks[i_track]->i_extra_data )
2201             {
2202                 char *p_start;
2203                 char *p_buf = (char *)malloc( tracks[i_track]->i_extra_data + 1);
2204                 memcpy( p_buf, tracks[i_track]->p_extra_data , tracks[i_track]->i_extra_data );
2205                 p_buf[tracks[i_track]->i_extra_data] = '\0';
2206
2207                 p_start = strstr( p_buf, "size:" );
2208                 if( sscanf( p_start, "size: %dx%d",
2209                         &tracks[i_track]->fmt.subs.spu.i_original_frame_width, &tracks[i_track]->fmt.subs.spu.i_original_frame_height ) == 2 )
2210                 {
2211                     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 );
2212                 }
2213                 else
2214                 {
2215                     msg_Warn( &sys.demuxer, "reading original frame size for vobsub failed" );
2216                 }
2217                 free( p_buf );
2218             }
2219         }
2220         else if( !strcmp( tracks[i_track]->psz_codec, "B_VOBBTN" ) )
2221         {
2222             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's','p','u',' ' );
2223             sys.StartUiThread();
2224         }
2225         else
2226         {
2227             msg_Err( &sys.demuxer, "unknow codec id=`%s'", tracks[i_track]->psz_codec );
2228             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2229         }
2230         if( tracks[i_track]->b_default )
2231         {
2232             tracks[i_track]->fmt.i_priority = 1000;
2233         }
2234
2235         tracks[i_track]->p_es = es_out_Add( sys.demuxer.out, &tracks[i_track]->fmt );
2236
2237         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_start_time );
2238     }
2239
2240     sys.i_start_pts = i_start_time;
2241     // reset the stream reading to the first cluster of the segment used
2242     es.I_O().setFilePointer( i_start_pos );
2243
2244     delete ep;
2245     ep = new EbmlParser( &es, segment, &sys.demuxer );
2246
2247     return true;
2248 }
2249
2250 void demux_sys_t::StartUiThread()
2251 {
2252     if ( !b_ui_hooked )
2253     {
2254         msg_Dbg( &demuxer, "Starting the UI Hook" );
2255         b_ui_hooked = true;
2256         /* FIXME hack hack hack hack FIXME */
2257         /* Get p_input and create variable */
2258         p_input = (input_thread_t *) vlc_object_find( &demuxer, VLC_OBJECT_INPUT, FIND_PARENT );
2259         var_Create( p_input, "x-start", VLC_VAR_INTEGER );
2260         var_Create( p_input, "y-start", VLC_VAR_INTEGER );
2261         var_Create( p_input, "x-end", VLC_VAR_INTEGER );
2262         var_Create( p_input, "y-end", VLC_VAR_INTEGER );
2263         var_Create( p_input, "color", VLC_VAR_ADDRESS );
2264         var_Create( p_input, "menu-contrast", VLC_VAR_ADDRESS );
2265         var_Create( p_input, "highlight", VLC_VAR_BOOL );
2266         var_Create( p_input, "highlight-mutex", VLC_VAR_MUTEX );
2267
2268         /* Now create our event thread catcher */
2269         p_ev = (event_thread_t *) vlc_object_create( &demuxer, sizeof( event_thread_t ) );
2270         p_ev->p_demux = &demuxer;
2271         p_ev->b_die = VLC_FALSE;
2272         vlc_mutex_init( p_ev, &p_ev->lock );
2273         vlc_thread_create( p_ev, "mkv event thread handler", EventThread,
2274                         VLC_THREAD_PRIORITY_LOW, VLC_FALSE );
2275     }
2276 }
2277
2278 void demux_sys_t::StopUiThread()
2279 {
2280     if ( b_ui_hooked )
2281     {
2282         p_ev->b_die = VLC_TRUE;
2283
2284         vlc_thread_join( p_ev );
2285         vlc_object_destroy( p_ev );
2286
2287         p_ev = NULL;
2288
2289         var_Destroy( p_input, "highlight-mutex" );
2290         var_Destroy( p_input, "highlight" );
2291         var_Destroy( p_input, "x-start" );
2292         var_Destroy( p_input, "x-end" );
2293         var_Destroy( p_input, "y-start" );
2294         var_Destroy( p_input, "y-end" );
2295         var_Destroy( p_input, "color" );
2296         var_Destroy( p_input, "menu-contrast" );
2297
2298         msg_Dbg( &demuxer, "Stopping the UI Hook" );
2299     }
2300     b_ui_hooked = false;
2301 }
2302
2303 int demux_sys_t::EventMouse( vlc_object_t *p_this, char const *psz_var,
2304                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
2305 {
2306     event_thread_t *p_ev = (event_thread_t *) p_data;
2307     vlc_mutex_lock( &p_ev->lock );
2308     if( psz_var[6] == 'c' )
2309         p_ev->b_clicked = VLC_TRUE;
2310     else if( psz_var[6] == 'm' )
2311         p_ev->b_moved = VLC_TRUE;
2312     vlc_mutex_unlock( &p_ev->lock );
2313
2314     return VLC_SUCCESS;
2315 }
2316
2317 int demux_sys_t::EventKey( vlc_object_t *p_this, char const *psz_var,
2318                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
2319 {
2320     event_thread_t *p_ev = (event_thread_t *) p_data;
2321     vlc_mutex_lock( &p_ev->lock );
2322     p_ev->b_key = VLC_TRUE;
2323     vlc_mutex_unlock( &p_ev->lock );
2324
2325     return VLC_SUCCESS;
2326 }
2327
2328 int demux_sys_t::EventThread( vlc_object_t *p_this )
2329 {
2330     event_thread_t *p_ev = (event_thread_t*)p_this;
2331     demux_sys_t    *p_sys = p_ev->p_demux->p_sys;
2332     vlc_object_t   *p_vout = NULL;
2333
2334     p_ev->b_moved   = VLC_FALSE;
2335     p_ev->b_clicked = VLC_FALSE;
2336     p_ev->b_key     = VLC_FALSE;
2337
2338     /* catch all key event */
2339     var_AddCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2340
2341     /* main loop */
2342     while( !p_ev->b_die )
2343     {
2344         vlc_bool_t b_activated = VLC_FALSE;
2345
2346         /* KEY part */
2347         if( p_ev->b_key )
2348         {
2349             vlc_value_t valk;
2350             struct vlc_t::hotkey *p_hotkeys = p_ev->p_vlc->p_hotkeys;
2351             int i, i_action = -1;
2352
2353             vlc_mutex_lock( &p_ev->lock );
2354
2355             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2356
2357             var_Get( p_ev->p_vlc, "key-pressed", &valk );
2358             for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
2359             {
2360                 if( p_hotkeys[i].i_key == valk.i_int )
2361                 {
2362                     i_action = p_hotkeys[i].i_action;
2363                 }
2364             }
2365
2366             switch( i_action )
2367             {
2368             case ACTIONID_NAV_LEFT:
2369 //                dvdnav_left_button_select( NULL, pci );
2370                 break;
2371             case ACTIONID_NAV_RIGHT:
2372 //                dvdnav_right_button_select( NULL, pci );
2373                 break;
2374             case ACTIONID_NAV_UP:
2375 //                dvdnav_upper_button_select( NULL, pci );
2376                 break;
2377             case ACTIONID_NAV_DOWN:
2378 //                dvdnav_lower_button_select( NULL, pci );
2379                 break;
2380             case ACTIONID_NAV_ACTIVATE:
2381                 b_activated = VLC_TRUE;
2382 //                dvdnav_button_activate( NULL, pci );
2383                 break;
2384             default:
2385                 break;
2386             }
2387             p_ev->b_key = VLC_FALSE;
2388             vlc_mutex_unlock( &p_ev->lock );
2389         }
2390
2391         /* MOUSE part */
2392         if( p_vout && ( p_ev->b_moved || p_ev->b_clicked ) )
2393         {
2394             vlc_value_t valx, valy;
2395
2396             vlc_mutex_lock( &p_ev->lock );
2397             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2398             var_Get( p_vout, "mouse-x", &valx );
2399             var_Get( p_vout, "mouse-y", &valy );
2400
2401             if( p_ev->b_clicked )
2402             {
2403                 int32_t button;
2404                 int32_t best,dist,d;
2405                 int32_t mx,my,dx,dy;
2406
2407                 b_activated = VLC_TRUE;
2408                 // get current button
2409                 best = 0;
2410                 dist = 0x08000000; /* >> than  (720*720)+(567*567); */
2411                 for(button = 1; button <= pci->hli.hl_gi.btn_ns; button++)
2412                 {
2413                     btni_t *button_ptr = &(pci->hli.btnit[button-1]);
2414
2415                     if((valx.i_int >= button_ptr->x_start) && (valx.i_int <= button_ptr->x_end) &&
2416                        (valy.i_int >= button_ptr->y_start) && (valy.i_int <= button_ptr->y_end))
2417                     {
2418                         mx = (button_ptr->x_start + button_ptr->x_end)/2;
2419                         my = (button_ptr->y_start + button_ptr->y_end)/2;
2420                         dx = mx - valx.i_int;
2421                         dy = my - valy.i_int;
2422                         d = (dx*dx) + (dy*dy);
2423                         /* If the mouse is within the button and the mouse is closer
2424                         * to the center of this button then it is the best choice. */
2425                         if(d < dist) {
2426                             dist = d;
2427                             best = button;
2428                         }
2429                     }
2430                 }
2431
2432                 if ( best != 0)
2433                 {
2434                     btni_t button_ptr = pci->hli.btnit[best-1];
2435
2436                     msg_Dbg( &p_sys->demuxer, "Clicked button %d", best );
2437                     vlc_mutex_unlock( &p_ev->lock );
2438                     vlc_mutex_lock( &p_sys->lock_demuxer );
2439
2440                     // process the button action
2441                     p_sys->dvd_interpretor.SetSPRM( 0x88, best );
2442                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2443
2444                     // select new button
2445                     if ( best != p_sys->i_curr_button )
2446                     {
2447                         vlc_value_t val;
2448
2449                         if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
2450                         {
2451                             vlc_mutex_t *p_mutex = (vlc_mutex_t *) val.p_address;
2452                             uint32_t i_palette;
2453
2454                             if(button_ptr.btn_coln != 0) {
2455                                 i_palette = pci->hli.btn_colit.btn_coli[button_ptr.btn_coln-1][1];
2456                             } else {
2457                                 i_palette = 0;
2458                             }
2459                             p_sys->alpha[0] = i_palette      & 0x0f;
2460                             p_sys->alpha[1] = (i_palette>>4) & 0x0f;
2461                             p_sys->alpha[2] = (i_palette>>8) & 0x0f;
2462                             p_sys->alpha[3] = (i_palette>>12)& 0x0f;
2463
2464                             vlc_mutex_lock( p_mutex );
2465                             val.i_int = button_ptr.x_start; var_Set( p_sys->p_input, "x-start", val );
2466                             val.i_int = button_ptr.x_end;   var_Set( p_sys->p_input, "x-end",   val );
2467                             val.i_int = button_ptr.y_start; var_Set( p_sys->p_input, "y-start", val );
2468                             val.i_int = button_ptr.y_end;   var_Set( p_sys->p_input, "y-end",   val );
2469
2470                             val.p_address = (void *)p_sys->alpha;
2471                             var_Set( p_sys->p_input, "menu-contrast", val );
2472
2473                             val.b_bool = VLC_TRUE; var_Set( p_sys->p_input, "highlight", val );
2474                             vlc_mutex_unlock( p_mutex );
2475
2476                             p_sys->i_curr_button = best;
2477                         }
2478                     }
2479                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2480                     vlc_mutex_lock( &p_ev->lock );
2481                 }
2482             }
2483             else if( p_ev->b_moved )
2484             {
2485 //                dvdnav_mouse_select( NULL, pci, valx.i_int, valy.i_int );
2486             }
2487
2488             p_ev->b_moved = VLC_FALSE;
2489             p_ev->b_clicked = VLC_FALSE;
2490             vlc_mutex_unlock( &p_ev->lock );
2491         }
2492
2493         /* VOUT part */
2494         if( p_vout && p_vout->b_die )
2495         {
2496             var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2497             var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2498             vlc_object_release( p_vout );
2499             p_vout = NULL;
2500         }
2501
2502         else if( p_vout == NULL )
2503         {
2504             p_vout = (vlc_object_t*) vlc_object_find( p_sys->p_input, VLC_OBJECT_VOUT,
2505                                       FIND_CHILD );
2506             if( p_vout)
2507             {
2508                 var_AddCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2509                 var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2510             }
2511         }
2512
2513         /* Wait a bit, 10ms */
2514         msleep( 10000 );
2515     }
2516
2517     /* Release callback */
2518     if( p_vout )
2519     {
2520         var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2521         var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2522         vlc_object_release( p_vout );
2523     }
2524     var_DelCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2525
2526     vlc_mutex_destroy( &p_ev->lock );
2527
2528     return VLC_SUCCESS;
2529 }
2530
2531 void matroska_segment_c::UnSelect( )
2532 {
2533     size_t i_track;
2534
2535     sys.StopUiThread();
2536
2537     for( i_track = 0; i_track < tracks.size(); i_track++ )
2538     {
2539         if ( tracks[i_track]->p_es != NULL )
2540         {
2541             es_out_Del( sys.demuxer.out, tracks[i_track]->p_es );
2542             tracks[i_track]->p_es = NULL;
2543         }
2544     }
2545     delete ep;
2546     ep = NULL;
2547 }
2548
2549 void virtual_segment_c::PrepareChapters( )
2550 {
2551     if ( linked_segments.size() == 0 )
2552         return;
2553
2554     // !!! should be called only once !!!
2555     matroska_segment_c *p_segment;
2556     size_t i, j;
2557
2558     // copy editions from the first segment
2559     p_segment = linked_segments[0];
2560     p_editions = &p_segment->stored_editions;
2561
2562     for ( i=1 ; i<linked_segments.size(); i++ )
2563     {
2564         p_segment = linked_segments[i];
2565         // FIXME assume we have the same editions in all segments
2566         for (j=0; j<p_segment->stored_editions.size(); j++)
2567             (*p_editions)[j]->Append( *p_segment->stored_editions[j] );
2568     }
2569 }
2570
2571 std::string chapter_edition_c::GetMainName() const
2572 {
2573     if ( sub_chapters.size() )
2574     {
2575         return sub_chapters[0]->GetCodecName( true );
2576     }
2577     return "";
2578 }
2579
2580 int chapter_item_c::PublishChapters( input_title_t & title, int & i_user_chapters, int i_level )
2581 {
2582     // add support for meta-elements from codec like DVD Titles
2583     if ( !b_display_seekpoint || psz_name == "" )
2584     {
2585         psz_name = GetCodecName();
2586         if ( psz_name != "" )
2587             b_display_seekpoint = true;
2588     }
2589
2590     if (b_display_seekpoint)
2591     {
2592         seekpoint_t *sk = vlc_seekpoint_New();
2593
2594         sk->i_level = i_level;
2595         sk->i_time_offset = i_start_time;
2596         sk->psz_name = strdup( psz_name.c_str() );
2597
2598         // A start time of '0' is ok. A missing ChapterTime element is ok, too, because '0' is its default value.
2599         title.i_seekpoint++;
2600         title.seekpoint = (seekpoint_t**)realloc( title.seekpoint, title.i_seekpoint * sizeof( seekpoint_t* ) );
2601         title.seekpoint[title.i_seekpoint-1] = sk;
2602
2603         if ( b_user_display )
2604             i_user_chapters++;
2605     }
2606
2607     for ( size_t i=0; i<sub_chapters.size() ; i++)
2608     {
2609         sub_chapters[i]->PublishChapters( title, i_user_chapters, i_level+1 );
2610     }
2611
2612     i_seekpoint_num = i_user_chapters;
2613
2614     return i_user_chapters;
2615 }
2616
2617 bool virtual_segment_c::UpdateCurrentToChapter( demux_t & demux )
2618 {
2619     demux_sys_t & sys = *demux.p_sys;
2620     chapter_item_c *psz_curr_chapter;
2621
2622     /* update current chapter/seekpoint */
2623     if ( p_editions->size() )
2624     {
2625         /* 1st, we need to know in which chapter we are */
2626         psz_curr_chapter = (*p_editions)[i_current_edition]->FindTimecode( sys.i_pts );
2627
2628         /* we have moved to a new chapter */
2629         if (psz_curr_chapter != NULL && psz_current_chapter != psz_curr_chapter)
2630         {
2631             if ( (*p_editions)[i_current_edition]->b_ordered )
2632             {
2633                 // Leave/Enter up to the link point
2634                 if ( !psz_curr_chapter->EnterAndLeave( psz_current_chapter ) )
2635                 {
2636                     // only seek if necessary
2637                     if ( psz_current_chapter == NULL || (psz_current_chapter->i_end_time != psz_curr_chapter->i_start_time) )
2638                         Seek( demux, sys.i_pts, 0, psz_curr_chapter );
2639                     psz_current_chapter = psz_curr_chapter;
2640                 }
2641             }
2642             else if ( psz_curr_chapter->i_seekpoint_num > 0 )
2643             {
2644                 demux.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
2645                 demux.info.i_title = sys.i_current_title = i_sys_title;
2646                 demux.info.i_seekpoint = psz_curr_chapter->i_seekpoint_num - 1;
2647                 psz_current_chapter = psz_curr_chapter;
2648             }
2649             else
2650             {
2651                 psz_current_chapter = psz_curr_chapter;
2652             }
2653
2654             return true;
2655         }
2656         else if (psz_curr_chapter == NULL)
2657         {
2658             // out of the scope of the data described by chapters, leave the edition
2659             if ( (*p_editions)[i_current_edition]->b_ordered && psz_current_chapter != NULL )
2660             {
2661                 if ( !(*p_editions)[i_current_edition]->EnterAndLeave( psz_current_chapter ) )
2662                     psz_current_chapter = NULL;
2663             }
2664         }
2665     }
2666     return false;
2667 }
2668
2669 chapter_item_c *virtual_segment_c::BrowseCodecPrivate( unsigned int codec_id,
2670                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
2671                                     const void *p_cookie,
2672                                     size_t i_cookie_size )
2673 {
2674     // FIXME don't assume it is the first edition
2675     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
2676     if ( index != p_editions->end() )
2677     {
2678         chapter_item_c *p_result = (*index)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
2679         if ( p_result != NULL )
2680             return p_result;
2681     }
2682     return NULL;
2683 }
2684
2685 chapter_item_c *virtual_segment_c::FindChapter( int64_t i_find_uid )
2686 {
2687     // FIXME don't assume it is the first edition
2688     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
2689     if ( index != p_editions->end() )
2690     {
2691         chapter_item_c *p_result = (*index)->FindChapter( i_find_uid );
2692         if ( p_result != NULL )
2693             return p_result;
2694     }
2695     return NULL;
2696 }
2697
2698 chapter_item_c *chapter_item_c::BrowseCodecPrivate( unsigned int codec_id,
2699                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
2700                                     const void *p_cookie,
2701                                     size_t i_cookie_size )
2702 {
2703     // this chapter
2704     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2705     while ( index != codecs.end() )
2706     {
2707         if ( match( **index ,p_cookie, i_cookie_size ) )
2708             return this;
2709         index++;
2710     }
2711
2712     // sub-chapters
2713     chapter_item_c *p_result = NULL;
2714     std::vector<chapter_item_c*>::const_iterator index2 = sub_chapters.begin();
2715     while ( index2 != sub_chapters.end() )
2716     {
2717         p_result = (*index2)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
2718         if ( p_result != NULL )
2719             return p_result;
2720         index2++;
2721     }
2722
2723     return p_result;
2724 }
2725
2726 void chapter_item_c::Append( const chapter_item_c & chapter )
2727 {
2728     // we are appending content for the same chapter UID
2729     size_t i;
2730     chapter_item_c *p_chapter;
2731
2732     for ( i=0; i<chapter.sub_chapters.size(); i++ )
2733     {
2734         p_chapter = FindChapter( chapter.sub_chapters[i]->i_uid );
2735         if ( p_chapter != NULL )
2736         {
2737             p_chapter->Append( *chapter.sub_chapters[i] );
2738         }
2739         else
2740         {
2741             sub_chapters.push_back( chapter.sub_chapters[i] );
2742         }
2743     }
2744
2745     i_user_start_time = min( i_user_start_time, chapter.i_user_start_time );
2746     i_user_end_time = max( i_user_end_time, chapter.i_user_end_time );
2747 }
2748
2749 chapter_item_c * chapter_item_c::FindChapter( int64_t i_find_uid )
2750 {
2751     size_t i;
2752     chapter_item_c *p_result = NULL;
2753
2754     if ( i_uid == i_find_uid )
2755         return this;
2756
2757     for ( i=0; i<sub_chapters.size(); i++)
2758     {
2759         p_result = sub_chapters[i]->FindChapter( i_find_uid );
2760         if ( p_result != NULL )
2761             break;
2762     }
2763     return p_result;
2764 }
2765
2766 std::string chapter_item_c::GetCodecName( bool f_for_title ) const
2767 {
2768     std::string result;
2769
2770     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2771     while ( index != codecs.end() )
2772     {
2773         result = (*index)->GetCodecName( f_for_title );
2774         if ( result != "" )
2775             break;
2776         index++;
2777     }
2778
2779     return result;
2780 }
2781
2782 std::string dvd_chapter_codec_c::GetCodecName( bool f_for_title ) const
2783 {
2784     std::string result;
2785     if ( m_private_data.GetSize() >= 3)
2786     {
2787         const binary* p_data = m_private_data.GetBuffer();
2788 /*        if ( p_data[0] == MATROSKA_DVD_LEVEL_TT )
2789         {
2790             uint16_t i_title = (p_data[1] << 8) + p_data[2];
2791             char psz_str[11];
2792             sprintf( psz_str, " %d  ---", i_title );
2793             result = N_("---  DVD Title");
2794             result += psz_str;
2795         }
2796         else */ if ( p_data[0] == MATROSKA_DVD_LEVEL_LU )
2797         {
2798             char psz_str[11];
2799             sprintf( psz_str, " (%c%c)  ---", p_data[1], p_data[2] );
2800             result = N_("---  DVD Menu");
2801             result += psz_str;
2802         }
2803         else if ( p_data[0] == MATROSKA_DVD_LEVEL_SS && f_for_title )
2804         {
2805             if ( p_data[1] == 0x00 )
2806                 result = N_("First Played");
2807             else if ( p_data[1] == 0xC0 )
2808                 result = N_("Video Manager");
2809             else if ( p_data[1] == 0x80 )
2810             {
2811                 uint16_t i_title = (p_data[2] << 8) + p_data[3];
2812                 char psz_str[20];
2813                 sprintf( psz_str, " %d -----", i_title );
2814                 result = N_("----- Title");
2815                 result += psz_str;
2816             }
2817         }
2818     }
2819
2820     return result;
2821 }
2822
2823 int16 chapter_item_c::GetTitleNumber( ) const
2824 {
2825     int result = -1;
2826
2827     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2828     while ( index != codecs.end() )
2829     {
2830         result = (*index)->GetTitleNumber( );
2831         if ( result >= 0 )
2832             break;
2833         index++;
2834     }
2835
2836     return result;
2837 }
2838
2839 int16 dvd_chapter_codec_c::GetTitleNumber()
2840 {
2841     if ( m_private_data.GetSize() >= 3)
2842     {
2843         const binary* p_data = m_private_data.GetBuffer();
2844         if ( p_data[0] == MATROSKA_DVD_LEVEL_SS )
2845         {
2846             return int16( (p_data[2] << 8) + p_data[3] );
2847         }
2848     }
2849     return -1;
2850 }
2851
2852 static void Seek( demux_t *p_demux, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter )
2853 {
2854     demux_sys_t        *p_sys = p_demux->p_sys;
2855     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
2856     matroska_segment_c *p_segment = p_vsegment->Segment();
2857     mtime_t            i_time_offset = 0;
2858
2859     int         i_index;
2860
2861     msg_Dbg( p_demux, "seek request to "I64Fd" (%f%%)", i_date, f_percent );
2862     if( i_date < 0 && f_percent < 0 )
2863     {
2864         msg_Warn( p_demux, "cannot seek nowhere !" );
2865         return;
2866     }
2867     if( f_percent > 1.0 )
2868     {
2869         msg_Warn( p_demux, "cannot seek so far !" );
2870         return;
2871     }
2872
2873     /* seek without index or without date */
2874     if( f_percent >= 0 && (config_GetInt( p_demux, "mkv-seek-percent" ) || !p_segment->b_cues || i_date < 0 ))
2875     {
2876         if (p_sys->f_duration >= 0)
2877         {
2878             i_date = int64_t( f_percent * p_sys->f_duration * 1000.0 );
2879         }
2880         else
2881         {
2882             int64_t i_pos = int64_t( f_percent * stream_Size( p_demux->s ) );
2883
2884             msg_Dbg( p_demux, "inacurate way of seeking" );
2885             for( i_index = 0; i_index < p_segment->i_index; i_index++ )
2886             {
2887                 if( p_segment->index[i_index].i_position >= i_pos)
2888                 {
2889                     break;
2890                 }
2891             }
2892             if( i_index == p_segment->i_index )
2893             {
2894                 i_index--;
2895             }
2896
2897             i_date = p_segment->index[i_index].i_time;
2898
2899 #if 0
2900             if( p_segment->index[i_index].i_position < i_pos )
2901             {
2902                 EbmlElement *el;
2903
2904                 msg_Warn( p_demux, "searching for cluster, could take some time" );
2905
2906                 /* search a cluster */
2907                 while( ( el = p_sys->ep->Get() ) != NULL )
2908                 {
2909                     if( MKV_IS_ID( el, KaxCluster ) )
2910                     {
2911                         KaxCluster *cluster = (KaxCluster*)el;
2912
2913                         /* add it to the index */
2914                         p_segment->IndexAppendCluster( cluster );
2915
2916                         if( (int64_t)cluster->GetElementPosition() >= i_pos )
2917                         {
2918                             p_sys->cluster = cluster;
2919                             p_sys->ep->Down();
2920                             break;
2921                         }
2922                     }
2923                 }
2924             }
2925 #endif
2926         }
2927     }
2928
2929     p_vsegment->Seek( *p_demux, i_date, i_time_offset, psz_chapter );
2930 }
2931
2932 /*****************************************************************************
2933  * Demux: reads and demuxes data packets
2934  *****************************************************************************
2935  * Returns -1 in case of error, 0 in case of EOF, 1 otherwise
2936  *****************************************************************************/
2937 static int Demux( demux_t *p_demux)
2938 {
2939     demux_sys_t        *p_sys = p_demux->p_sys;
2940     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
2941     matroska_segment_c *p_segment = p_vsegment->Segment();
2942     if ( p_segment == NULL ) return 0;
2943     int                i_block_count = 0;
2944     int                i_return = 0;
2945
2946     KaxBlock *block;
2947     int64_t i_block_duration;
2948     int64_t i_block_ref1;
2949     int64_t i_block_ref2;
2950
2951     vlc_mutex_lock( &p_sys->lock_demuxer );
2952
2953     for( ;; )
2954     {
2955         if ( p_sys->demuxer.b_die )
2956             break;
2957
2958         if( p_sys->i_pts >= p_sys->i_start_pts  )
2959             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
2960             {
2961                 i_return = 1;
2962                 break;
2963             }
2964
2965         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
2966         {
2967             /* nothing left to read in this ordered edition */
2968             if ( !p_vsegment->SelectNext() )
2969                 break;
2970             p_segment->UnSelect( );
2971
2972             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
2973
2974             /* switch to the next segment */
2975             p_segment = p_vsegment->Segment();
2976             if ( !p_segment->Select( 0 ) )
2977             {
2978                 msg_Err( p_demux, "Failed to select new segment" );
2979                 break;
2980             }
2981             continue;
2982         }
2983
2984
2985         if( p_segment->BlockGet( &block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
2986         {
2987             if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered )
2988             {
2989                 const chapter_item_c *p_chap = p_vsegment->CurrentChapter();
2990                 // check if there are more chapters to read
2991                 if ( p_chap != NULL )
2992                 {
2993                     /* TODO handle successive chapters with the same user_start_time/user_end_time
2994                     if ( p_chap->i_user_start_time == p_chap->i_user_start_time )
2995                         p_vsegment->SelectNext();
2996                     */
2997                     p_sys->i_pts = p_chap->i_user_end_time;
2998                     p_sys->i_pts++; // trick to avoid staying on segments with no duration and no content
2999
3000                     i_return = 1;
3001                 }
3002
3003                 break;
3004             }
3005             msg_Warn( p_demux, "cannot get block EOF?" );
3006             p_segment->UnSelect( );
3007
3008             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3009
3010             /* switch to the next segment */
3011             if ( !p_vsegment->SelectNext() )
3012                 // no more segments in this stream
3013                 break;
3014             p_segment = p_vsegment->Segment();
3015             if ( !p_segment->Select( 0 ) )
3016             {
3017                 msg_Err( p_demux, "Failed to select new segment" );
3018                 break;
3019             }
3020
3021             continue;
3022         }
3023
3024         p_sys->i_pts = p_sys->i_chapter_time + block->GlobalTimecode() / (mtime_t) 1000;
3025
3026         if( p_sys->i_pts >= p_sys->i_start_pts  )
3027         {
3028             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pts );
3029         }
3030
3031         BlockDecode( p_demux, block, p_sys->i_pts, i_block_duration );
3032
3033         delete block;
3034         i_block_count++;
3035
3036         // TODO optimize when there is need to leave or when seeking has been called
3037         if( i_block_count > 5 )
3038         {
3039             i_return = 1;
3040             break;
3041         }
3042     }
3043
3044     vlc_mutex_unlock( &p_sys->lock_demuxer );
3045
3046     return i_return;
3047 }
3048
3049
3050
3051 /*****************************************************************************
3052  * Stream managment
3053  *****************************************************************************/
3054 vlc_stream_io_callback::vlc_stream_io_callback( stream_t *s_ )
3055 {
3056     s = s_;
3057     mb_eof = VLC_FALSE;
3058 }
3059
3060 uint32 vlc_stream_io_callback::read( void *p_buffer, size_t i_size )
3061 {
3062     if( i_size <= 0 || mb_eof )
3063     {
3064         return 0;
3065     }
3066
3067     return stream_Read( s, p_buffer, i_size );
3068 }
3069 void vlc_stream_io_callback::setFilePointer(int64_t i_offset, seek_mode mode )
3070 {
3071     int64_t i_pos;
3072
3073     switch( mode )
3074     {
3075         case seek_beginning:
3076             i_pos = i_offset;
3077             break;
3078         case seek_end:
3079             i_pos = stream_Size( s ) - i_offset;
3080             break;
3081         default:
3082             i_pos= stream_Tell( s ) + i_offset;
3083             break;
3084     }
3085
3086     if( i_pos < 0 || i_pos >= stream_Size( s ) )
3087     {
3088         mb_eof = VLC_TRUE;
3089         return;
3090     }
3091
3092     mb_eof = VLC_FALSE;
3093     if( stream_Seek( s, i_pos ) )
3094     {
3095         mb_eof = VLC_TRUE;
3096     }
3097     return;
3098 }
3099 size_t vlc_stream_io_callback::write( const void *p_buffer, size_t i_size )
3100 {
3101     return 0;
3102 }
3103 uint64 vlc_stream_io_callback::getFilePointer( void )
3104 {
3105     return stream_Tell( s );
3106 }
3107 void vlc_stream_io_callback::close( void )
3108 {
3109     return;
3110 }
3111
3112
3113 /*****************************************************************************
3114  * Ebml Stream parser
3115  *****************************************************************************/
3116 EbmlParser::EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux )
3117 {
3118     int i;
3119
3120     m_es = es;
3121     m_got = NULL;
3122     m_el[0] = el_start;
3123     mi_remain_size[0] = el_start->GetSize();
3124
3125     for( i = 1; i < 6; i++ )
3126     {
3127         m_el[i] = NULL;
3128     }
3129     mi_level = 1;
3130     mi_user_level = 1;
3131     mb_keep = VLC_FALSE;
3132     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3133 }
3134
3135 EbmlParser::~EbmlParser( void )
3136 {
3137     int i;
3138
3139     for( i = 1; i < mi_level; i++ )
3140     {
3141         if( !mb_keep )
3142         {
3143             delete m_el[i];
3144         }
3145         mb_keep = VLC_FALSE;
3146     }
3147 }
3148
3149 void EbmlParser::Up( void )
3150 {
3151     if( mi_user_level == mi_level )
3152     {
3153         fprintf( stderr," arrrrrrrrrrrrrg Up cannot escape itself\n" );
3154     }
3155
3156     mi_user_level--;
3157 }
3158
3159 void EbmlParser::Down( void )
3160 {
3161     mi_user_level++;
3162     mi_level++;
3163 }
3164
3165 void EbmlParser::Keep( void )
3166 {
3167     mb_keep = VLC_TRUE;
3168 }
3169
3170 int EbmlParser::GetLevel( void )
3171 {
3172     return mi_user_level;
3173 }
3174
3175 void EbmlParser::Reset( demux_t *p_demux )
3176 {
3177     while ( mi_level > 0)
3178     {
3179         delete m_el[mi_level];
3180         m_el[mi_level] = NULL;
3181         mi_level--;
3182     }
3183     mi_user_level = mi_level = 1;
3184 #if LIBEBML_VERSION >= 0x000704
3185     // a little faster and cleaner
3186     m_es->I_O().setFilePointer( static_cast<KaxSegment*>(m_el[0])->GetGlobalPosition(0) );
3187 #else
3188     m_es->I_O().setFilePointer( m_el[0]->GetElementPosition() + m_el[0]->ElementSize(true) - m_el[0]->GetSize() );
3189 #endif
3190     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3191 }
3192
3193 EbmlElement *EbmlParser::Get( void )
3194 {
3195     int i_ulev = 0;
3196
3197     if( mi_user_level != mi_level )
3198     {
3199         return NULL;
3200     }
3201     if( m_got )
3202     {
3203         EbmlElement *ret = m_got;
3204         m_got = NULL;
3205
3206         return ret;
3207     }
3208
3209     if( m_el[mi_level] )
3210     {
3211         m_el[mi_level]->SkipData( *m_es, m_el[mi_level]->Generic().Context );
3212         if( !mb_keep )
3213         {
3214             delete m_el[mi_level];
3215         }
3216         mb_keep = VLC_FALSE;
3217     }
3218
3219     m_el[mi_level] = m_es->FindNextElement( m_el[mi_level - 1]->Generic().Context, i_ulev, 0xFFFFFFFFL, mb_dummy, 1 );
3220 //    mi_remain_size[mi_level] = m_el[mi_level]->GetSize();
3221     if( i_ulev > 0 )
3222     {
3223         while( i_ulev > 0 )
3224         {
3225             if( mi_level == 1 )
3226             {
3227                 mi_level = 0;
3228                 return NULL;
3229             }
3230
3231             delete m_el[mi_level - 1];
3232             m_got = m_el[mi_level -1] = m_el[mi_level];
3233             m_el[mi_level] = NULL;
3234
3235             mi_level--;
3236             i_ulev--;
3237         }
3238         return NULL;
3239     }
3240     else if( m_el[mi_level] == NULL )
3241     {
3242         fprintf( stderr," m_el[mi_level] == NULL\n" );
3243     }
3244
3245     return m_el[mi_level];
3246 }
3247
3248
3249 /*****************************************************************************
3250  * Tools
3251  *  * LoadCues : load the cues element and update index
3252  *
3253  *  * LoadTags : load ... the tags element
3254  *
3255  *  * InformationCreate : create all information, load tags if present
3256  *
3257  *****************************************************************************/
3258 void matroska_segment_c::LoadCues( )
3259 {
3260     int64_t     i_sav_position = es.I_O().getFilePointer();
3261     EbmlParser  *ep;
3262     EbmlElement *el, *cues;
3263
3264     /* *** Load the cue if found *** */
3265     if( i_cues_position < 0 )
3266     {
3267         msg_Warn( &sys.demuxer, "no cues/empty cues found->seek won't be precise" );
3268
3269 //        IndexAppendCluster( cluster );
3270     }
3271
3272     vlc_bool_t b_seekable;
3273
3274     stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
3275     if( !b_seekable )
3276         return;
3277
3278     msg_Dbg( &sys.demuxer, "loading cues" );
3279     es.I_O().setFilePointer( i_cues_position, seek_beginning );
3280     cues = es.FindNextID( KaxCues::ClassInfos, 0xFFFFFFFFL);
3281
3282     if( cues == NULL )
3283     {
3284         msg_Err( &sys.demuxer, "cannot load cues (broken seekhead or file)" );
3285         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3286         return;
3287     }
3288
3289     ep = new EbmlParser( &es, cues, &sys.demuxer );
3290     while( ( el = ep->Get() ) != NULL )
3291     {
3292         if( MKV_IS_ID( el, KaxCuePoint ) )
3293         {
3294 #define idx index[i_index]
3295
3296             idx.i_track       = -1;
3297             idx.i_block_number= -1;
3298             idx.i_position    = -1;
3299             idx.i_time        = 0;
3300             idx.b_key         = VLC_TRUE;
3301
3302             ep->Down();
3303             while( ( el = ep->Get() ) != NULL )
3304             {
3305                 if( MKV_IS_ID( el, KaxCueTime ) )
3306                 {
3307                     KaxCueTime &ctime = *(KaxCueTime*)el;
3308
3309                     ctime.ReadData( es.I_O() );
3310
3311                     idx.i_time = uint64( ctime ) * i_timescale / (mtime_t)1000;
3312                 }
3313                 else if( MKV_IS_ID( el, KaxCueTrackPositions ) )
3314                 {
3315                     ep->Down();
3316                     while( ( el = ep->Get() ) != NULL )
3317                     {
3318                         if( MKV_IS_ID( el, KaxCueTrack ) )
3319                         {
3320                             KaxCueTrack &ctrack = *(KaxCueTrack*)el;
3321
3322                             ctrack.ReadData( es.I_O() );
3323                             idx.i_track = uint16( ctrack );
3324                         }
3325                         else if( MKV_IS_ID( el, KaxCueClusterPosition ) )
3326                         {
3327                             KaxCueClusterPosition &ccpos = *(KaxCueClusterPosition*)el;
3328
3329                             ccpos.ReadData( es.I_O() );
3330                             idx.i_position = segment->GetGlobalPosition( uint64( ccpos ) );
3331                         }
3332                         else if( MKV_IS_ID( el, KaxCueBlockNumber ) )
3333                         {
3334                             KaxCueBlockNumber &cbnum = *(KaxCueBlockNumber*)el;
3335
3336                             cbnum.ReadData( es.I_O() );
3337                             idx.i_block_number = uint32( cbnum );
3338                         }
3339                         else
3340                         {
3341                             msg_Dbg( &sys.demuxer, "         * Unknown (%s)", typeid(*el).name() );
3342                         }
3343                     }
3344                     ep->Up();
3345                 }
3346                 else
3347                 {
3348                     msg_Dbg( &sys.demuxer, "     * Unknown (%s)", typeid(*el).name() );
3349                 }
3350             }
3351             ep->Up();
3352
3353 #if 0
3354             msg_Dbg( &sys.demuxer, " * added time="I64Fd" pos="I64Fd
3355                      " track=%d bnum=%d", idx.i_time, idx.i_position,
3356                      idx.i_track, idx.i_block_number );
3357 #endif
3358
3359             i_index++;
3360             if( i_index >= i_index_max )
3361             {
3362                 i_index_max += 1024;
3363                 index = (mkv_index_t*)realloc( index, sizeof( mkv_index_t ) * i_index_max );
3364             }
3365 #undef idx
3366         }
3367         else
3368         {
3369             msg_Dbg( &sys.demuxer, " * Unknown (%s)", typeid(*el).name() );
3370         }
3371     }
3372     delete ep;
3373     delete cues;
3374
3375     b_cues = VLC_TRUE;
3376
3377     msg_Dbg( &sys.demuxer, "loading cues done." );
3378     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3379 }
3380
3381 void matroska_segment_c::LoadTags( )
3382 {
3383     int64_t     i_sav_position = es.I_O().getFilePointer();
3384     EbmlParser  *ep;
3385     EbmlElement *el, *tags;
3386
3387     msg_Dbg( &sys.demuxer, "loading tags" );
3388     es.I_O().setFilePointer( i_tags_position, seek_beginning );
3389     tags = es.FindNextID( KaxTags::ClassInfos, 0xFFFFFFFFL);
3390
3391     if( tags == NULL )
3392     {
3393         msg_Err( &sys.demuxer, "cannot load tags (broken seekhead or file)" );
3394         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3395         return;
3396     }
3397
3398     msg_Dbg( &sys.demuxer, "Tags" );
3399     ep = new EbmlParser( &es, tags, &sys.demuxer );
3400     while( ( el = ep->Get() ) != NULL )
3401     {
3402         if( MKV_IS_ID( el, KaxTag ) )
3403         {
3404             msg_Dbg( &sys.demuxer, "+ Tag" );
3405             ep->Down();
3406             while( ( el = ep->Get() ) != NULL )
3407             {
3408                 if( MKV_IS_ID( el, KaxTagTargets ) )
3409                 {
3410                     msg_Dbg( &sys.demuxer, "|   + Targets" );
3411                     ep->Down();
3412                     while( ( el = ep->Get() ) != NULL )
3413                     {
3414                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3415                     }
3416                     ep->Up();
3417                 }
3418                 else if( MKV_IS_ID( el, KaxTagGeneral ) )
3419                 {
3420                     msg_Dbg( &sys.demuxer, "|   + General" );
3421                     ep->Down();
3422                     while( ( el = ep->Get() ) != NULL )
3423                     {
3424                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3425                     }
3426                     ep->Up();
3427                 }
3428                 else if( MKV_IS_ID( el, KaxTagGenres ) )
3429                 {
3430                     msg_Dbg( &sys.demuxer, "|   + Genres" );
3431                     ep->Down();
3432                     while( ( el = ep->Get() ) != NULL )
3433                     {
3434                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3435                     }
3436                     ep->Up();
3437                 }
3438                 else if( MKV_IS_ID( el, KaxTagAudioSpecific ) )
3439                 {
3440                     msg_Dbg( &sys.demuxer, "|   + Audio Specific" );
3441                     ep->Down();
3442                     while( ( el = ep->Get() ) != NULL )
3443                     {
3444                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3445                     }
3446                     ep->Up();
3447                 }
3448                 else if( MKV_IS_ID( el, KaxTagImageSpecific ) )
3449                 {
3450                     msg_Dbg( &sys.demuxer, "|   + Images Specific" );
3451                     ep->Down();
3452                     while( ( el = ep->Get() ) != NULL )
3453                     {
3454                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3455                     }
3456                     ep->Up();
3457                 }
3458                 else if( MKV_IS_ID( el, KaxTagMultiComment ) )
3459                 {
3460                     msg_Dbg( &sys.demuxer, "|   + Multi Comment" );
3461                 }
3462                 else if( MKV_IS_ID( el, KaxTagMultiCommercial ) )
3463                 {
3464                     msg_Dbg( &sys.demuxer, "|   + Multi Commercial" );
3465                 }
3466                 else if( MKV_IS_ID( el, KaxTagMultiDate ) )
3467                 {
3468                     msg_Dbg( &sys.demuxer, "|   + Multi Date" );
3469                 }
3470                 else if( MKV_IS_ID( el, KaxTagMultiEntity ) )
3471                 {
3472                     msg_Dbg( &sys.demuxer, "|   + Multi Entity" );
3473                 }
3474                 else if( MKV_IS_ID( el, KaxTagMultiIdentifier ) )
3475                 {
3476                     msg_Dbg( &sys.demuxer, "|   + Multi Identifier" );
3477                 }
3478                 else if( MKV_IS_ID( el, KaxTagMultiLegal ) )
3479                 {
3480                     msg_Dbg( &sys.demuxer, "|   + Multi Legal" );
3481                 }
3482                 else if( MKV_IS_ID( el, KaxTagMultiTitle ) )
3483                 {
3484                     msg_Dbg( &sys.demuxer, "|   + Multi Title" );
3485                 }
3486                 else
3487                 {
3488                     msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid( *el ).name() );
3489                 }
3490             }
3491             ep->Up();
3492         }
3493         else
3494         {
3495             msg_Dbg( &sys.demuxer, "+ Unknown (%s)", typeid( *el ).name() );
3496         }
3497     }
3498     delete ep;
3499     delete tags;
3500
3501     msg_Dbg( &sys.demuxer, "loading tags done." );
3502     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3503 }
3504
3505 /*****************************************************************************
3506  * ParseSeekHead:
3507  *****************************************************************************/
3508 void matroska_segment_c::ParseSeekHead( KaxSeekHead *seekhead )
3509 {
3510     EbmlElement *el;
3511     size_t i, j;
3512     int i_upper_level = 0;
3513
3514     msg_Dbg( &sys.demuxer, "|   + Seek head" );
3515
3516     /* Master elements */
3517     seekhead->Read( es, seekhead->Generic().Context, i_upper_level, el, true );
3518
3519     for( i = 0; i < seekhead->ListSize(); i++ )
3520     {
3521         EbmlElement *l = (*seekhead)[i];
3522
3523         if( MKV_IS_ID( l, KaxSeek ) )
3524         {
3525             EbmlMaster *sk = static_cast<EbmlMaster *>(l);
3526             EbmlId id = EbmlVoid::ClassInfos.GlobalId;
3527             int64_t i_pos = -1;
3528
3529             for( j = 0; j < sk->ListSize(); j++ )
3530             {
3531                 EbmlElement *l = (*sk)[j];
3532
3533                 if( MKV_IS_ID( l, KaxSeekID ) )
3534                 {
3535                     KaxSeekID &sid = *(KaxSeekID*)l;
3536                     id = EbmlId( sid.GetBuffer(), sid.GetSize() );
3537                 }
3538                 else if( MKV_IS_ID( l, KaxSeekPosition ) )
3539                 {
3540                     KaxSeekPosition &spos = *(KaxSeekPosition*)l;
3541                     i_pos = uint64( spos );
3542                 }
3543                 else
3544                 {
3545                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
3546                 }
3547             }
3548
3549             if( i_pos >= 0 )
3550             {
3551                 if( id == KaxCues::ClassInfos.GlobalId )
3552                 {
3553                     msg_Dbg( &sys.demuxer, "|   |   |   = cues at "I64Fd, i_pos );
3554                     i_cues_position = segment->GetGlobalPosition( i_pos );
3555                 }
3556                 else if( id == KaxChapters::ClassInfos.GlobalId )
3557                 {
3558                     msg_Dbg( &sys.demuxer, "|   |   |   = chapters at "I64Fd, i_pos );
3559                     i_chapters_position = segment->GetGlobalPosition( i_pos );
3560                 }
3561                 else if( id == KaxTags::ClassInfos.GlobalId )
3562                 {
3563                     msg_Dbg( &sys.demuxer, "|   |   |   = tags at "I64Fd, i_pos );
3564                     i_tags_position = segment->GetGlobalPosition( i_pos );
3565                 }
3566             }
3567         }
3568         else
3569         {
3570             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
3571         }
3572     }
3573 }
3574
3575 /*****************************************************************************
3576  * ParseTrackEntry:
3577  *****************************************************************************/
3578 void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
3579 {
3580     size_t i, j, k, n;
3581
3582     mkv_track_t *tk;
3583
3584     msg_Dbg( &sys.demuxer, "|   |   + Track Entry" );
3585
3586     tk = new mkv_track_t();
3587     tracks.push_back( tk );
3588
3589     /* Init the track */
3590     memset( tk, 0, sizeof( mkv_track_t ) );
3591
3592     es_format_Init( &tk->fmt, UNKNOWN_ES, 0 );
3593     tk->fmt.psz_language = strdup("English");
3594     tk->fmt.psz_description = NULL;
3595
3596     tk->b_default = VLC_TRUE;
3597     tk->b_enabled = VLC_TRUE;
3598     tk->b_silent = VLC_FALSE;
3599     tk->i_number = tracks.size() - 1;
3600     tk->i_extra_data = 0;
3601     tk->p_extra_data = NULL;
3602     tk->psz_codec = NULL;
3603     tk->i_default_duration = 0;
3604     tk->f_timecodescale = 1.0;
3605
3606     tk->b_inited = VLC_FALSE;
3607     tk->i_data_init = 0;
3608     tk->p_data_init = NULL;
3609
3610     tk->psz_codec_name = NULL;
3611     tk->psz_codec_settings = NULL;
3612     tk->psz_codec_info_url = NULL;
3613     tk->psz_codec_download_url = NULL;
3614
3615     tk->i_compression_type = MATROSKA_COMPRESSION_NONE;
3616
3617     for( i = 0; i < m->ListSize(); i++ )
3618     {
3619         EbmlElement *l = (*m)[i];
3620
3621         if( MKV_IS_ID( l, KaxTrackNumber ) )
3622         {
3623             KaxTrackNumber &tnum = *(KaxTrackNumber*)l;
3624
3625             tk->i_number = uint32( tnum );
3626             msg_Dbg( &sys.demuxer, "|   |   |   + Track Number=%u", uint32( tnum ) );
3627         }
3628         else  if( MKV_IS_ID( l, KaxTrackUID ) )
3629         {
3630             KaxTrackUID &tuid = *(KaxTrackUID*)l;
3631
3632             msg_Dbg( &sys.demuxer, "|   |   |   + Track UID=%u",  uint32( tuid ) );
3633         }
3634         else  if( MKV_IS_ID( l, KaxTrackType ) )
3635         {
3636             char *psz_type;
3637             KaxTrackType &ttype = *(KaxTrackType*)l;
3638
3639             switch( uint8(ttype) )
3640             {
3641                 case track_audio:
3642                     psz_type = "audio";
3643                     tk->fmt.i_cat = AUDIO_ES;
3644                     break;
3645                 case track_video:
3646                     psz_type = "video";
3647                     tk->fmt.i_cat = VIDEO_ES;
3648                     break;
3649                 case track_subtitle:
3650                     psz_type = "subtitle";
3651                     tk->fmt.i_cat = SPU_ES;
3652                     break;
3653                 case track_buttons:
3654                     psz_type = "buttons";
3655                     tk->fmt.i_cat = SPU_ES;
3656                     break;
3657                 default:
3658                     psz_type = "unknown";
3659                     tk->fmt.i_cat = UNKNOWN_ES;
3660                     break;
3661             }
3662
3663             msg_Dbg( &sys.demuxer, "|   |   |   + Track Type=%s", psz_type );
3664         }
3665 //        else  if( EbmlId( *l ) == KaxTrackFlagEnabled::ClassInfos.GlobalId )
3666 //        {
3667 //            KaxTrackFlagEnabled &fenb = *(KaxTrackFlagEnabled*)l;
3668
3669 //            tk->b_enabled = uint32( fenb );
3670 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Enabled=%u",
3671 //                     uint32( fenb )  );
3672 //        }
3673         else  if( MKV_IS_ID( l, KaxTrackFlagDefault ) )
3674         {
3675             KaxTrackFlagDefault &fdef = *(KaxTrackFlagDefault*)l;
3676
3677             tk->b_default = uint32( fdef );
3678             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default=%u", uint32( fdef )  );
3679         }
3680         else  if( MKV_IS_ID( l, KaxTrackFlagLacing ) )
3681         {
3682             KaxTrackFlagLacing &lac = *(KaxTrackFlagLacing*)l;
3683
3684             msg_Dbg( &sys.demuxer, "|   |   |   + Track Lacing=%d", uint32( lac ) );
3685         }
3686         else  if( MKV_IS_ID( l, KaxTrackMinCache ) )
3687         {
3688             KaxTrackMinCache &cmin = *(KaxTrackMinCache*)l;
3689
3690             msg_Dbg( &sys.demuxer, "|   |   |   + Track MinCache=%d", uint32( cmin ) );
3691         }
3692         else  if( MKV_IS_ID( l, KaxTrackMaxCache ) )
3693         {
3694             KaxTrackMaxCache &cmax = *(KaxTrackMaxCache*)l;
3695
3696             msg_Dbg( &sys.demuxer, "|   |   |   + Track MaxCache=%d", uint32( cmax ) );
3697         }
3698         else  if( MKV_IS_ID( l, KaxTrackDefaultDuration ) )
3699         {
3700             KaxTrackDefaultDuration &defd = *(KaxTrackDefaultDuration*)l;
3701
3702             tk->i_default_duration = uint64(defd);
3703             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default Duration="I64Fd, uint64(defd) );
3704         }
3705         else  if( MKV_IS_ID( l, KaxTrackTimecodeScale ) )
3706         {
3707             KaxTrackTimecodeScale &ttcs = *(KaxTrackTimecodeScale*)l;
3708
3709             tk->f_timecodescale = float( ttcs );
3710             msg_Dbg( &sys.demuxer, "|   |   |   + Track TimeCodeScale=%f", tk->f_timecodescale );
3711         }
3712         else if( MKV_IS_ID( l, KaxTrackName ) )
3713         {
3714             KaxTrackName &tname = *(KaxTrackName*)l;
3715
3716             tk->fmt.psz_description = UTF8ToStr( UTFstring( tname ) );
3717             msg_Dbg( &sys.demuxer, "|   |   |   + Track Name=%s", tk->fmt.psz_description );
3718         }
3719         else  if( MKV_IS_ID( l, KaxTrackLanguage ) )
3720         {
3721             KaxTrackLanguage &lang = *(KaxTrackLanguage*)l;
3722
3723             tk->fmt.psz_language = strdup( string( lang ).c_str() );
3724             msg_Dbg( &sys.demuxer,
3725                      "|   |   |   + Track Language=`%s'", tk->fmt.psz_language );
3726         }
3727         else  if( MKV_IS_ID( l, KaxCodecID ) )
3728         {
3729             KaxCodecID &codecid = *(KaxCodecID*)l;
3730
3731             tk->psz_codec = strdup( string( codecid ).c_str() );
3732             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecId=%s", string( codecid ).c_str() );
3733         }
3734         else  if( MKV_IS_ID( l, KaxCodecPrivate ) )
3735         {
3736             KaxCodecPrivate &cpriv = *(KaxCodecPrivate*)l;
3737
3738             tk->i_extra_data = cpriv.GetSize();
3739             if( tk->i_extra_data > 0 )
3740             {
3741                 tk->p_extra_data = (uint8_t*)malloc( tk->i_extra_data );
3742                 memcpy( tk->p_extra_data, cpriv.GetBuffer(), tk->i_extra_data );
3743             }
3744             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecPrivate size="I64Fd, cpriv.GetSize() );
3745         }
3746         else if( MKV_IS_ID( l, KaxCodecName ) )
3747         {
3748             KaxCodecName &cname = *(KaxCodecName*)l;
3749
3750             tk->psz_codec_name = UTF8ToStr( UTFstring( cname ) );
3751             msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Name=%s", tk->psz_codec_name );
3752         }
3753         else if( MKV_IS_ID( l, KaxContentEncodings ) )
3754         {
3755             EbmlMaster *cencs = static_cast<EbmlMaster*>(l);
3756             MkvTree( sys.demuxer, 3, "Content Encodings" );
3757             for( j = 0; j < cencs->ListSize(); j++ )
3758             {
3759                 EbmlElement *l2 = (*cencs)[j];
3760                 if( MKV_IS_ID( l2, KaxContentEncoding ) )
3761                 {
3762                     MkvTree( sys.demuxer, 4, "Content Encoding" );
3763                     EbmlMaster *cenc = static_cast<EbmlMaster*>(l2);
3764                     for( k = 0; k < cenc->ListSize(); k++ )
3765                     {
3766                         EbmlElement *l3 = (*cenc)[k];
3767                         if( MKV_IS_ID( l3, KaxContentEncodingOrder ) )
3768                         {
3769                             KaxContentEncodingOrder &encord = *(KaxContentEncodingOrder*)l3;
3770                             MkvTree( sys.demuxer, 5, "Order: %i", uint32( encord ) );
3771                         }
3772                         else if( MKV_IS_ID( l3, KaxContentEncodingScope ) )
3773                         {
3774                             KaxContentEncodingScope &encscope = *(KaxContentEncodingScope*)l3;
3775                             MkvTree( sys.demuxer, 5, "Scope: %i", uint32( encscope ) );
3776                         }
3777                         else if( MKV_IS_ID( l3, KaxContentEncodingType ) )
3778                         {
3779                             KaxContentEncodingType &enctype = *(KaxContentEncodingType*)l3;
3780                             MkvTree( sys.demuxer, 5, "Type: %i", uint32( enctype ) );
3781                         }
3782                         else if( MKV_IS_ID( l3, KaxContentCompression ) )
3783                         {
3784                             EbmlMaster *compr = static_cast<EbmlMaster*>(l3);
3785                             MkvTree( sys.demuxer, 5, "Content Compression" );
3786                             for( n = 0; n < compr->ListSize(); n++ )
3787                             {
3788                                 EbmlElement *l4 = (*compr)[n];
3789                                 if( MKV_IS_ID( l4, KaxContentCompAlgo ) )
3790                                 {
3791                                     KaxContentCompAlgo &compalg = *(KaxContentCompAlgo*)l4;
3792                                     MkvTree( sys.demuxer, 6, "Compression Algorithm: %i", uint32(compalg) );
3793                                     if( uint32( compalg ) == 0 )
3794                                     {
3795                                         tk->i_compression_type = MATROSKA_COMPRESSION_ZLIB;
3796                                     }
3797                                 }
3798                                 else
3799                                 {
3800                                     MkvTree( sys.demuxer, 6, "Unknown (%s)", typeid(*l4).name() );
3801                                 }
3802                             }
3803                         }
3804
3805                         else
3806                         {
3807                             MkvTree( sys.demuxer, 5, "Unknown (%s)", typeid(*l3).name() );
3808                         }
3809                     }
3810
3811                 }
3812                 else
3813                 {
3814                     MkvTree( sys.demuxer, 4, "Unknown (%s)", typeid(*l2).name() );
3815                 }
3816             }
3817
3818         }
3819 //        else if( EbmlId( *l ) == KaxCodecSettings::ClassInfos.GlobalId )
3820 //        {
3821 //            KaxCodecSettings &cset = *(KaxCodecSettings*)l;
3822
3823 //            tk->psz_codec_settings = UTF8ToStr( UTFstring( cset ) );
3824 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Settings=%s", tk->psz_codec_settings );
3825 //        }
3826 //        else if( EbmlId( *l ) == KaxCodecInfoURL::ClassInfos.GlobalId )
3827 //        {
3828 //            KaxCodecInfoURL &ciurl = *(KaxCodecInfoURL*)l;
3829
3830 //            tk->psz_codec_info_url = strdup( string( ciurl ).c_str() );
3831 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_info_url );
3832 //        }
3833 //        else if( EbmlId( *l ) == KaxCodecDownloadURL::ClassInfos.GlobalId )
3834 //        {
3835 //            KaxCodecDownloadURL &cdurl = *(KaxCodecDownloadURL*)l;
3836
3837 //            tk->psz_codec_download_url = strdup( string( cdurl ).c_str() );
3838 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_download_url );
3839 //        }
3840 //        else if( EbmlId( *l ) == KaxCodecDecodeAll::ClassInfos.GlobalId )
3841 //        {
3842 //            KaxCodecDecodeAll &cdall = *(KaxCodecDecodeAll*)l;
3843
3844 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Decode All=%u <== UNUSED", uint8( cdall ) );
3845 //        }
3846 //        else if( EbmlId( *l ) == KaxTrackOverlay::ClassInfos.GlobalId )
3847 //        {
3848 //            KaxTrackOverlay &tovr = *(KaxTrackOverlay*)l;
3849
3850 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Overlay=%u <== UNUSED", uint32( tovr ) );
3851 //        }
3852         else  if( MKV_IS_ID( l, KaxTrackVideo ) )
3853         {
3854             EbmlMaster *tkv = static_cast<EbmlMaster*>(l);
3855             unsigned int j;
3856
3857             msg_Dbg( &sys.demuxer, "|   |   |   + Track Video" );
3858             tk->f_fps = 0.0;
3859
3860             for( j = 0; j < tkv->ListSize(); j++ )
3861             {
3862                 EbmlElement *l = (*tkv)[j];
3863 //                if( EbmlId( *el4 ) == KaxVideoFlagInterlaced::ClassInfos.GlobalId )
3864 //                {
3865 //                    KaxVideoFlagInterlaced &fint = *(KaxVideoFlagInterlaced*)el4;
3866
3867 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Interlaced=%u", uint8( fint ) );
3868 //                }
3869 //                else if( EbmlId( *el4 ) == KaxVideoStereoMode::ClassInfos.GlobalId )
3870 //                {
3871 //                    KaxVideoStereoMode &stereo = *(KaxVideoStereoMode*)el4;
3872
3873 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Stereo Mode=%u", uint8( stereo ) );
3874 //                }
3875 //                else
3876                 if( MKV_IS_ID( l, KaxVideoPixelWidth ) )
3877                 {
3878                     KaxVideoPixelWidth &vwidth = *(KaxVideoPixelWidth*)l;
3879
3880                     tk->fmt.video.i_width = uint16( vwidth );
3881                     msg_Dbg( &sys.demuxer, "|   |   |   |   + width=%d", uint16( vwidth ) );
3882                 }
3883                 else if( MKV_IS_ID( l, KaxVideoPixelHeight ) )
3884                 {
3885                     KaxVideoPixelWidth &vheight = *(KaxVideoPixelWidth*)l;
3886
3887                     tk->fmt.video.i_height = uint16( vheight );
3888                     msg_Dbg( &sys.demuxer, "|   |   |   |   + height=%d", uint16( vheight ) );
3889                 }
3890                 else if( MKV_IS_ID( l, KaxVideoDisplayWidth ) )
3891                 {
3892                     KaxVideoDisplayWidth &vwidth = *(KaxVideoDisplayWidth*)l;
3893
3894                     tk->fmt.video.i_visible_width = uint16( vwidth );
3895                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display width=%d", uint16( vwidth ) );
3896                 }
3897                 else if( MKV_IS_ID( l, KaxVideoDisplayHeight ) )
3898                 {
3899                     KaxVideoDisplayWidth &vheight = *(KaxVideoDisplayWidth*)l;
3900
3901                     tk->fmt.video.i_visible_height = uint16( vheight );
3902                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display height=%d", uint16( vheight ) );
3903                 }
3904                 else if( MKV_IS_ID( l, KaxVideoFrameRate ) )
3905                 {
3906                     KaxVideoFrameRate &vfps = *(KaxVideoFrameRate*)l;
3907
3908                     tk->f_fps = float( vfps );
3909                     msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( vfps ) );
3910                 }
3911 //                else if( EbmlId( *l ) == KaxVideoDisplayUnit::ClassInfos.GlobalId )
3912 //                {
3913 //                     KaxVideoDisplayUnit &vdmode = *(KaxVideoDisplayUnit*)l;
3914
3915 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Display Unit=%s",
3916 //                             uint8( vdmode ) == 0 ? "pixels" : ( uint8( vdmode ) == 1 ? "centimeters": "inches" ) );
3917 //                }
3918 //                else if( EbmlId( *l ) == KaxVideoAspectRatio::ClassInfos.GlobalId )
3919 //                {
3920 //                    KaxVideoAspectRatio &ratio = *(KaxVideoAspectRatio*)l;
3921
3922 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + Track Video Aspect Ratio Type=%u", uint8( ratio ) );
3923 //                }
3924 //                else if( EbmlId( *l ) == KaxVideoGamma::ClassInfos.GlobalId )
3925 //                {
3926 //                    KaxVideoGamma &gamma = *(KaxVideoGamma*)l;
3927
3928 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( gamma ) );
3929 //                }
3930                 else
3931                 {
3932                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
3933                 }
3934             }
3935             if ( tk->fmt.video.i_visible_height && tk->fmt.video.i_visible_width )
3936                 tk->fmt.video.i_aspect = VOUT_ASPECT_FACTOR * tk->fmt.video.i_visible_width / tk->fmt.video.i_visible_height;
3937         }
3938         else  if( MKV_IS_ID( l, KaxTrackAudio ) )
3939         {
3940             EbmlMaster *tka = static_cast<EbmlMaster*>(l);
3941             unsigned int j;
3942
3943             msg_Dbg( &sys.demuxer, "|   |   |   + Track Audio" );
3944
3945             for( j = 0; j < tka->ListSize(); j++ )
3946             {
3947                 EbmlElement *l = (*tka)[j];
3948
3949                 if( MKV_IS_ID( l, KaxAudioSamplingFreq ) )
3950                 {
3951                     KaxAudioSamplingFreq &afreq = *(KaxAudioSamplingFreq*)l;
3952
3953                     tk->fmt.audio.i_rate = (int)float( afreq );
3954                     msg_Dbg( &sys.demuxer, "|   |   |   |   + afreq=%d", tk->fmt.audio.i_rate );
3955                 }
3956                 else if( MKV_IS_ID( l, KaxAudioChannels ) )
3957                 {
3958                     KaxAudioChannels &achan = *(KaxAudioChannels*)l;
3959
3960                     tk->fmt.audio.i_channels = uint8( achan );
3961                     msg_Dbg( &sys.demuxer, "|   |   |   |   + achan=%u", uint8( achan ) );
3962                 }
3963                 else if( MKV_IS_ID( l, KaxAudioBitDepth ) )
3964                 {
3965                     KaxAudioBitDepth &abits = *(KaxAudioBitDepth*)l;
3966
3967                     tk->fmt.audio.i_bitspersample = uint8( abits );
3968                     msg_Dbg( &sys.demuxer, "|   |   |   |   + abits=%u", uint8( abits ) );
3969                 }
3970                 else
3971                 {
3972                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
3973                 }
3974             }
3975         }
3976         else
3977         {
3978             msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)",
3979                      typeid(*l).name() );
3980         }
3981     }
3982 }
3983
3984 /*****************************************************************************
3985  * ParseTracks:
3986  *****************************************************************************/
3987 void matroska_segment_c::ParseTracks( KaxTracks *tracks )
3988 {
3989     EbmlElement *el;
3990     unsigned int i;
3991     int i_upper_level = 0;
3992
3993     msg_Dbg( &sys.demuxer, "|   + Tracks" );
3994
3995     /* Master elements */
3996     tracks->Read( es, tracks->Generic().Context, i_upper_level, el, true );
3997
3998     for( i = 0; i < tracks->ListSize(); i++ )
3999     {
4000         EbmlElement *l = (*tracks)[i];
4001
4002         if( MKV_IS_ID( l, KaxTrackEntry ) )
4003         {
4004             ParseTrackEntry( static_cast<KaxTrackEntry *>(l) );
4005         }
4006         else
4007         {
4008             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4009         }
4010     }
4011 }
4012
4013 /*****************************************************************************
4014  * ParseInfo:
4015  *****************************************************************************/
4016 void matroska_segment_c::ParseInfo( KaxInfo *info )
4017 {
4018     EbmlElement *el;
4019     EbmlMaster  *m;
4020     size_t i, j;
4021     int i_upper_level = 0;
4022
4023     msg_Dbg( &sys.demuxer, "|   + Information" );
4024
4025     /* Master elements */
4026     m = static_cast<EbmlMaster *>(info);
4027     m->Read( es, info->Generic().Context, i_upper_level, el, true );
4028
4029     for( i = 0; i < m->ListSize(); i++ )
4030     {
4031         EbmlElement *l = (*m)[i];
4032
4033         if( MKV_IS_ID( l, KaxSegmentUID ) )
4034         {
4035             segment_uid = *(new KaxSegmentUID(*static_cast<KaxSegmentUID*>(l)));
4036
4037             msg_Dbg( &sys.demuxer, "|   |   + UID=%d", *(uint32*)segment_uid.GetBuffer() );
4038         }
4039         else if( MKV_IS_ID( l, KaxPrevUID ) )
4040         {
4041             prev_segment_uid = *(new KaxPrevUID(*static_cast<KaxPrevUID*>(l)));
4042
4043             msg_Dbg( &sys.demuxer, "|   |   + PrevUID=%d", *(uint32*)prev_segment_uid.GetBuffer() );
4044         }
4045         else if( MKV_IS_ID( l, KaxNextUID ) )
4046         {
4047             next_segment_uid = *(new KaxNextUID(*static_cast<KaxNextUID*>(l)));
4048
4049             msg_Dbg( &sys.demuxer, "|   |   + NextUID=%d", *(uint32*)next_segment_uid.GetBuffer() );
4050         }
4051         else if( MKV_IS_ID( l, KaxTimecodeScale ) )
4052         {
4053             KaxTimecodeScale &tcs = *(KaxTimecodeScale*)l;
4054
4055             i_timescale = uint64(tcs);
4056
4057             msg_Dbg( &sys.demuxer, "|   |   + TimecodeScale="I64Fd,
4058                      i_timescale );
4059         }
4060         else if( MKV_IS_ID( l, KaxDuration ) )
4061         {
4062             KaxDuration &dur = *(KaxDuration*)l;
4063
4064             i_duration = mtime_t( double( dur ) );
4065
4066             msg_Dbg( &sys.demuxer, "|   |   + Duration="I64Fd,
4067                      i_duration );
4068         }
4069         else if( MKV_IS_ID( l, KaxMuxingApp ) )
4070         {
4071             KaxMuxingApp &mapp = *(KaxMuxingApp*)l;
4072
4073             psz_muxing_application = UTF8ToStr( UTFstring( mapp ) );
4074
4075             msg_Dbg( &sys.demuxer, "|   |   + Muxing Application=%s",
4076                      psz_muxing_application );
4077         }
4078         else if( MKV_IS_ID( l, KaxWritingApp ) )
4079         {
4080             KaxWritingApp &wapp = *(KaxWritingApp*)l;
4081
4082             psz_writing_application = UTF8ToStr( UTFstring( wapp ) );
4083
4084             msg_Dbg( &sys.demuxer, "|   |   + Writing Application=%s",
4085                      psz_writing_application );
4086         }
4087         else if( MKV_IS_ID( l, KaxSegmentFilename ) )
4088         {
4089             KaxSegmentFilename &sfn = *(KaxSegmentFilename*)l;
4090
4091             psz_segment_filename = UTF8ToStr( UTFstring( sfn ) );
4092
4093             msg_Dbg( &sys.demuxer, "|   |   + Segment Filename=%s",
4094                      psz_segment_filename );
4095         }
4096         else if( MKV_IS_ID( l, KaxTitle ) )
4097         {
4098             KaxTitle &title = *(KaxTitle*)l;
4099
4100             psz_title = UTF8ToStr( UTFstring( title ) );
4101
4102             msg_Dbg( &sys.demuxer, "|   |   + Title=%s", psz_title );
4103         }
4104         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
4105         {
4106             KaxSegmentFamily *uid = static_cast<KaxSegmentFamily*>(l);
4107
4108             families.push_back(*uid);
4109
4110             msg_Dbg( &sys.demuxer, "|   |   + family=%d", *(uint32*)uid->GetBuffer() );
4111         }
4112 #if defined( HAVE_GMTIME_R ) && !defined( SYS_DARWIN )
4113         else if( MKV_IS_ID( l, KaxDateUTC ) )
4114         {
4115             KaxDateUTC &date = *(KaxDateUTC*)l;
4116             time_t i_date;
4117             struct tm tmres;
4118             char   buffer[256];
4119
4120             i_date = date.GetEpochDate();
4121             memset( buffer, 0, 256 );
4122             if( gmtime_r( &i_date, &tmres ) &&
4123                 asctime_r( &tmres, buffer ) )
4124             {
4125                 buffer[strlen( buffer)-1]= '\0';
4126                 psz_date_utc = strdup( buffer );
4127                 msg_Dbg( &sys.demuxer, "|   |   + Date=%s", psz_date_utc );
4128             }
4129         }
4130 #endif
4131 #if LIBMATROSKA_VERSION >= 0x000704
4132         else if( MKV_IS_ID( l, KaxChapterTranslate ) )
4133         {
4134             KaxChapterTranslate *p_trans = static_cast<KaxChapterTranslate*>( l );
4135             chapter_translation_c translated;
4136
4137             p_trans->Read( es, p_trans->Generic().Context, i_upper_level, el, true );
4138             for( j = 0; j < p_trans->ListSize(); j++ )
4139             {
4140                 EbmlElement *l = (*p_trans)[j];
4141
4142                 if( MKV_IS_ID( l, KaxChapterTranslateEditionUID ) )
4143                 {
4144                     translated.editions.push_back( uint64( *static_cast<KaxChapterTranslateEditionUID*>( l ) ) );
4145                 }
4146                 else if( MKV_IS_ID( l, KaxChapterTranslateCodec ) )
4147                 {
4148                     translated.codec_id = uint32( *static_cast<KaxChapterTranslateCodec*>( l ) );
4149                 }
4150                 else if( MKV_IS_ID( l, KaxChapterTranslateID ) )
4151                 {
4152                     translated.translated = *( new KaxChapterTranslateID( *static_cast<KaxChapterTranslateID*>( l ) ) );
4153                 }
4154             }
4155
4156             translations.push_back( translated );
4157         }
4158 #endif
4159         else
4160         {
4161             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4162         }
4163     }
4164
4165     double f_dur = double(i_duration) * double(i_timescale) / 1000000.0;
4166     i_duration = mtime_t(f_dur);
4167 }
4168
4169
4170 /*****************************************************************************
4171  * ParseChapterAtom
4172  *****************************************************************************/
4173 void matroska_segment_c::ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters )
4174 {
4175     size_t i, j;
4176
4177     msg_Dbg( &sys.demuxer, "|   |   |   + ChapterAtom (level=%d)", i_level );
4178     for( i = 0; i < ca->ListSize(); i++ )
4179     {
4180         EbmlElement *l = (*ca)[i];
4181
4182         if( MKV_IS_ID( l, KaxChapterUID ) )
4183         {
4184             chapters.i_uid = uint64_t(*(KaxChapterUID*)l);
4185             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterUID: %lld", chapters.i_uid );
4186         }
4187         else if( MKV_IS_ID( l, KaxChapterFlagHidden ) )
4188         {
4189             KaxChapterFlagHidden &flag =*(KaxChapterFlagHidden*)l;
4190             chapters.b_display_seekpoint = uint8( flag ) == 0;
4191
4192             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterFlagHidden: %s", chapters.b_display_seekpoint ? "no":"yes" );
4193         }
4194         else if( MKV_IS_ID( l, KaxChapterTimeStart ) )
4195         {
4196             KaxChapterTimeStart &start =*(KaxChapterTimeStart*)l;
4197             chapters.i_start_time = uint64( start ) / I64C(1000);
4198
4199             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeStart: %lld", chapters.i_start_time );
4200         }
4201         else if( MKV_IS_ID( l, KaxChapterTimeEnd ) )
4202         {
4203             KaxChapterTimeEnd &end =*(KaxChapterTimeEnd*)l;
4204             chapters.i_end_time = uint64( end ) / I64C(1000);
4205
4206             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeEnd: %lld", chapters.i_end_time );
4207         }
4208         else if( MKV_IS_ID( l, KaxChapterDisplay ) )
4209         {
4210             EbmlMaster *cd = static_cast<EbmlMaster *>(l);
4211
4212             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterDisplay" );
4213             for( j = 0; j < cd->ListSize(); j++ )
4214             {
4215                 EbmlElement *l= (*cd)[j];
4216
4217                 if( MKV_IS_ID( l, KaxChapterString ) )
4218                 {
4219                     int k;
4220
4221                     KaxChapterString &name =*(KaxChapterString*)l;
4222                     for (k = 0; k < i_level; k++)
4223                         chapters.psz_name += '+';
4224                     chapters.psz_name += ' ';
4225                     chapters.psz_name += UTF8ToStr( UTFstring( name ) );
4226                     chapters.b_user_display = true;
4227
4228                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterString '%s'", UTF8ToStr(UTFstring(name)) );
4229                 }
4230                 else if( MKV_IS_ID( l, KaxChapterLanguage ) )
4231                 {
4232                     KaxChapterLanguage &lang =*(KaxChapterLanguage*)l;
4233                     const char *psz = string( lang ).c_str();
4234
4235                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterLanguage '%s'", psz );
4236                 }
4237                 else if( MKV_IS_ID( l, KaxChapterCountry ) )
4238                 {
4239                     KaxChapterCountry &ct =*(KaxChapterCountry*)l;
4240                     const char *psz = string( ct ).c_str();
4241
4242                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterCountry '%s'", psz );
4243                 }
4244             }
4245         }
4246         else if( MKV_IS_ID( l, KaxChapterProcess ) )
4247         {
4248             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterProcess" );
4249
4250             KaxChapterProcess *cp = static_cast<KaxChapterProcess *>(l);
4251             chapter_codec_cmds_c *p_ccodec = NULL;
4252
4253             for( j = 0; j < cp->ListSize(); j++ )
4254             {
4255                 EbmlElement *k= (*cp)[j];
4256
4257                 if( MKV_IS_ID( k, KaxChapterProcessCodecID ) )
4258                 {
4259                     KaxChapterProcessCodecID *p_codec_id = static_cast<KaxChapterProcessCodecID*>( k );
4260                     if ( uint32(*p_codec_id) == 0 )
4261                         p_ccodec = new matroska_script_codec_c( sys );
4262                     else if ( uint32(*p_codec_id) == 1 )
4263                         p_ccodec = new dvd_chapter_codec_c( sys );
4264                     break;
4265                 }
4266             }
4267
4268             if ( p_ccodec != NULL )
4269             {
4270                 for( j = 0; j < cp->ListSize(); j++ )
4271                 {
4272                     EbmlElement *k= (*cp)[j];
4273
4274                     if( MKV_IS_ID( k, KaxChapterProcessPrivate ) )
4275                     {
4276                         KaxChapterProcessPrivate * p_private = static_cast<KaxChapterProcessPrivate*>( k );
4277                         p_ccodec->SetPrivate( *p_private );
4278                     }
4279                     else if( MKV_IS_ID( k, KaxChapterProcessCommand ) )
4280                     {
4281                         p_ccodec->AddCommand( *static_cast<KaxChapterProcessCommand*>( k ) );
4282                     }
4283                 }
4284                 chapters.codecs.push_back( p_ccodec );
4285             }
4286         }
4287         else if( MKV_IS_ID( l, KaxChapterAtom ) )
4288         {
4289             chapter_item_c *new_sub_chapter = new chapter_item_c();
4290             ParseChapterAtom( i_level+1, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4291             new_sub_chapter->psz_parent = &chapters;
4292             chapters.sub_chapters.push_back( new_sub_chapter );
4293         }
4294     }
4295 }
4296
4297 /*****************************************************************************
4298  * ParseChapters:
4299  *****************************************************************************/
4300 void matroska_segment_c::ParseChapters( KaxChapters *chapters )
4301 {
4302     EbmlElement *el;
4303     size_t i;
4304     int i_upper_level = 0;
4305     mtime_t i_dur;
4306
4307     /* Master elements */
4308     chapters->Read( es, chapters->Generic().Context, i_upper_level, el, true );
4309
4310     for( i = 0; i < chapters->ListSize(); i++ )
4311     {
4312         EbmlElement *l = (*chapters)[i];
4313
4314         if( MKV_IS_ID( l, KaxEditionEntry ) )
4315         {
4316             chapter_edition_c *p_edition = new chapter_edition_c();
4317
4318             EbmlMaster *E = static_cast<EbmlMaster *>(l );
4319             size_t j;
4320             msg_Dbg( &sys.demuxer, "|   |   + EditionEntry" );
4321             for( j = 0; j < E->ListSize(); j++ )
4322             {
4323                 EbmlElement *l = (*E)[j];
4324
4325                 if( MKV_IS_ID( l, KaxChapterAtom ) )
4326                 {
4327                     chapter_item_c *new_sub_chapter = new chapter_item_c();
4328                     ParseChapterAtom( 0, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4329                     p_edition->sub_chapters.push_back( new_sub_chapter );
4330                 }
4331                 else if( MKV_IS_ID( l, KaxEditionUID ) )
4332                 {
4333                     p_edition->i_uid = uint64(*static_cast<KaxEditionUID *>( l ));
4334                 }
4335                 else if( MKV_IS_ID( l, KaxEditionFlagOrdered ) )
4336                 {
4337                     p_edition->b_ordered = config_GetInt( &sys.demuxer, "mkv-use-ordered-chapters" ) ? (uint8(*static_cast<KaxEditionFlagOrdered *>( l )) != 0) : 0;
4338                 }
4339                 else if( MKV_IS_ID( l, KaxEditionFlagDefault ) )
4340                 {
4341                     if (uint8(*static_cast<KaxEditionFlagDefault *>( l )) != 0)
4342                         i_default_edition = stored_editions.size();
4343                 }
4344                 else
4345                 {
4346                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
4347                 }
4348             }
4349             stored_editions.push_back( p_edition );
4350         }
4351         else
4352         {
4353             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4354         }
4355     }
4356
4357     for( i = 0; i < stored_editions.size(); i++ )
4358     {
4359         stored_editions[i]->RefreshChapters( );
4360     }
4361
4362     if ( stored_editions[i_default_edition]->b_ordered )
4363     {
4364         /* update the duration of the segment according to the sum of all sub chapters */
4365         i_dur = stored_editions[i_default_edition]->Duration() / I64C(1000);
4366         if (i_dur > 0)
4367             i_duration = i_dur;
4368     }
4369 }
4370
4371 void matroska_segment_c::ParseCluster( )
4372 {
4373     EbmlElement *el;
4374     EbmlMaster  *m;
4375     unsigned int i;
4376     int i_upper_level = 0;
4377
4378     /* Master elements */
4379     m = static_cast<EbmlMaster *>( cluster );
4380     m->Read( es, cluster->Generic().Context, i_upper_level, el, true );
4381
4382     for( i = 0; i < m->ListSize(); i++ )
4383     {
4384         EbmlElement *l = (*m)[i];
4385
4386         if( MKV_IS_ID( l, KaxClusterTimecode ) )
4387         {
4388             KaxClusterTimecode &ctc = *(KaxClusterTimecode*)l;
4389
4390             cluster->InitTimecode( uint64( ctc ), i_timescale );
4391             break;
4392         }
4393     }
4394
4395     i_start_time = cluster->GlobalTimecode() / 1000;
4396 }
4397
4398 /*****************************************************************************
4399  * InformationCreate:
4400  *****************************************************************************/
4401 void matroska_segment_c::InformationCreate( )
4402 {
4403     size_t      i_track;
4404
4405     sys.meta = vlc_meta_New();
4406
4407     if( psz_title )
4408     {
4409         vlc_meta_Add( sys.meta, VLC_META_TITLE, psz_title );
4410     }
4411     if( psz_date_utc )
4412     {
4413         vlc_meta_Add( sys.meta, VLC_META_DATE, psz_date_utc );
4414     }
4415     if( psz_segment_filename )
4416     {
4417         vlc_meta_Add( sys.meta, _("Segment filename"), psz_segment_filename );
4418     }
4419     if( psz_muxing_application )
4420     {
4421         vlc_meta_Add( sys.meta, _("Muxing application"), psz_muxing_application );
4422     }
4423     if( psz_writing_application )
4424     {
4425         vlc_meta_Add( sys.meta, _("Writing application"), psz_writing_application );
4426     }
4427
4428     for( i_track = 0; i_track < tracks.size(); i_track++ )
4429     {
4430         mkv_track_t *tk = tracks[i_track];
4431         vlc_meta_t *mtk = vlc_meta_New();
4432
4433         sys.meta->track = (vlc_meta_t**)realloc( sys.meta->track,
4434                                                     sizeof( vlc_meta_t * ) * ( sys.meta->i_track + 1 ) );
4435         sys.meta->track[sys.meta->i_track++] = mtk;
4436
4437         if( tk->fmt.psz_description )
4438         {
4439             vlc_meta_Add( sys.meta, VLC_META_DESCRIPTION, tk->fmt.psz_description );
4440         }
4441         if( tk->psz_codec_name )
4442         {
4443             vlc_meta_Add( sys.meta, VLC_META_CODEC_NAME, tk->psz_codec_name );
4444         }
4445         if( tk->psz_codec_settings )
4446         {
4447             vlc_meta_Add( sys.meta, VLC_META_SETTING, tk->psz_codec_settings );
4448         }
4449         if( tk->psz_codec_info_url )
4450         {
4451             vlc_meta_Add( sys.meta, VLC_META_CODEC_DESCRIPTION, tk->psz_codec_info_url );
4452         }
4453         if( tk->psz_codec_download_url )
4454         {
4455             vlc_meta_Add( sys.meta, VLC_META_URL, tk->psz_codec_download_url );
4456         }
4457     }
4458
4459     if( i_tags_position >= 0 )
4460     {
4461         vlc_bool_t b_seekable;
4462
4463         stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
4464         if( b_seekable )
4465         {
4466             LoadTags( );
4467         }
4468     }
4469 }
4470
4471
4472 /*****************************************************************************
4473  * Divers
4474  *****************************************************************************/
4475
4476 void matroska_segment_c::IndexAppendCluster( KaxCluster *cluster )
4477 {
4478 #define idx index[i_index]
4479     idx.i_track       = -1;
4480     idx.i_block_number= -1;
4481     idx.i_position    = cluster->GetElementPosition();
4482     idx.i_time        = -1;
4483     idx.b_key         = VLC_TRUE;
4484
4485     i_index++;
4486     if( i_index >= i_index_max )
4487     {
4488         i_index_max += 1024;
4489         index = (mkv_index_t*)realloc( index, sizeof( mkv_index_t ) * i_index_max );
4490     }
4491 #undef idx
4492 }
4493
4494 static char * UTF8ToStr( const UTFstring &u )
4495 {
4496     int     i_src;
4497     const wchar_t *src;
4498     char *dst, *p;
4499
4500     i_src = u.length();
4501     src   = u.c_str();
4502
4503     p = dst = (char*)malloc( i_src + 1);
4504     while( i_src > 0 )
4505     {
4506         if( *src < 255 )
4507         {
4508             *p++ = (char)*src;
4509         }
4510         else
4511         {
4512             *p++ = '?';
4513         }
4514         src++;
4515         i_src--;
4516     }
4517     *p++= '\0';
4518
4519     return dst;
4520 }
4521
4522 void chapter_edition_c::RefreshChapters( )
4523 {
4524     chapter_item_c::RefreshChapters( b_ordered, -1 );
4525     b_display_seekpoint = false;
4526 }
4527
4528 int64_t chapter_item_c::RefreshChapters( bool b_ordered, int64_t i_prev_user_time )
4529 {
4530     int64_t i_user_time = i_prev_user_time;
4531
4532     // first the sub-chapters, and then ourself
4533     std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
4534     while ( index != sub_chapters.end() )
4535     {
4536         i_user_time = (*index)->RefreshChapters( b_ordered, i_user_time );
4537         index++;
4538     }
4539
4540     if ( b_ordered )
4541     {
4542         // the ordered chapters always start at zero
4543         if ( i_prev_user_time == -1 )
4544         {
4545             if ( i_user_time == -1 )
4546                 i_user_time = 0;
4547             i_prev_user_time = 0;
4548         }
4549
4550         i_user_start_time = i_prev_user_time;
4551         if ( i_end_time != -1 && i_user_time == i_prev_user_time )
4552         {
4553             i_user_end_time = i_user_start_time - i_start_time + i_end_time;
4554         }
4555         else
4556         {
4557             i_user_end_time = i_user_time;
4558         }
4559     }
4560     else
4561     {
4562         std::sort( sub_chapters.begin(), sub_chapters.end() );
4563         i_user_start_time = i_start_time;
4564         if ( i_end_time != -1 )
4565             i_user_end_time = i_end_time;
4566         else if ( i_user_time != -1 )
4567             i_user_end_time = i_user_time;
4568         else
4569             i_user_end_time = i_user_start_time;
4570     }
4571
4572     return i_user_end_time;
4573 }
4574
4575 mtime_t chapter_edition_c::Duration() const
4576 {
4577     mtime_t i_result = 0;
4578
4579     if ( sub_chapters.size() )
4580     {
4581         std::vector<chapter_item_c*>::const_iterator index = sub_chapters.end();
4582         index--;
4583         i_result = (*index)->i_user_end_time;
4584     }
4585
4586     return i_result;
4587 }
4588
4589 chapter_item_c *chapter_item_c::FindTimecode( mtime_t i_user_timecode )
4590 {
4591     chapter_item_c *psz_result = NULL;
4592
4593     if ( i_user_timecode >= i_user_start_time &&
4594         ( i_user_timecode < i_user_end_time ||
4595           ( i_user_start_time == i_user_end_time && i_user_timecode == i_user_end_time )))
4596     {
4597         std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
4598         while ( index != sub_chapters.end() && psz_result == NULL )
4599         {
4600             psz_result = (*index)->FindTimecode( i_user_timecode );
4601             index++;
4602         }
4603
4604         if ( psz_result == NULL )
4605             psz_result = this;
4606     }
4607
4608     return psz_result;
4609 }
4610
4611 bool chapter_item_c::ParentOf( const chapter_item_c & item ) const
4612 {
4613     if ( &item == this )
4614         return true;
4615
4616     std::vector<chapter_item_c*>::const_iterator index = sub_chapters.begin();
4617     while ( index != sub_chapters.end() )
4618     {
4619         if ( (*index)->ParentOf( item ) )
4620             return true;
4621         index++;
4622     }
4623
4624     return false;
4625 }
4626
4627 void demux_sys_t::PreloadFamily( const matroska_segment_c & of_segment )
4628 {
4629     for (size_t i=0; i<opened_segments.size(); i++)
4630     {
4631         opened_segments[i]->PreloadFamily( of_segment );
4632     }
4633 }
4634 bool matroska_segment_c::PreloadFamily( const matroska_segment_c & of_segment )
4635 {
4636     if ( b_preloaded )
4637         return false;
4638
4639     for (size_t i=0; i<families.size(); i++)
4640     {
4641         for (size_t j=0; j<of_segment.families.size(); j++)
4642         {
4643             if ( families[i] == of_segment.families[j] )
4644                 return Preload( );
4645         }
4646     }
4647
4648     return false;
4649 }
4650
4651 // preload all the linked segments for all preloaded segments
4652 void demux_sys_t::PreloadLinked( matroska_segment_c *p_segment )
4653 {
4654     size_t i_preloaded, i, j;
4655     virtual_segment_c *p_seg;
4656
4657     p_current_segment = VirtualFromSegments( p_segment );
4658
4659     used_segments.push_back( p_current_segment );
4660
4661     // create all the other virtual segments of the family
4662     do {
4663         i_preloaded = 0;
4664         for ( i=0; i< opened_segments.size(); i++ )
4665         {
4666             if ( opened_segments[i]->b_preloaded && !IsUsedSegment( *opened_segments[i] ) )
4667             {
4668                 p_seg = VirtualFromSegments( opened_segments[i] );
4669                 used_segments.push_back( p_seg );
4670                 i_preloaded++;
4671             }
4672         }
4673     } while ( i_preloaded ); // worst case: will stop when all segments are found as family related
4674
4675     // publish all editions of all usable segment
4676     for ( i=0; i< used_segments.size(); i++ )
4677     {
4678         p_seg = used_segments[i];
4679         if ( p_seg->p_editions != NULL )
4680         {
4681             std::string sz_name;
4682             input_title_t *p_title = vlc_input_title_New();
4683             p_seg->i_sys_title = i;
4684             int i_chapters;
4685
4686             // TODO use a name for each edition, let the TITLE deal with a codec name
4687             for ( j=0; j<p_seg->p_editions->size(); j++ )
4688             {
4689                 if ( p_title->psz_name == NULL )
4690                 {
4691                     sz_name = (*p_seg->p_editions)[j]->GetMainName();
4692                     if ( sz_name != "" )
4693                         p_title->psz_name = strdup( sz_name.c_str() );
4694                 }
4695
4696                 chapter_edition_c *p_edition = (*p_seg->p_editions)[j];
4697
4698                 i_chapters = 0;
4699                 p_edition->PublishChapters( *p_title, i_chapters, 0 );
4700             }
4701
4702             // create a name if there is none
4703             if ( p_title->psz_name == NULL )
4704             {
4705                 sz_name = N_("Segment ");
4706                 char psz_str[6];
4707                 sprintf( psz_str, "%d", i );
4708                 sz_name += psz_str;
4709                 p_title->psz_name = strdup( sz_name.c_str() );
4710             }
4711
4712             titles.push_back( *p_title );
4713         }
4714     }
4715
4716     // TODO decide which segment should be first used (VMG for DVD)
4717 }
4718
4719 bool demux_sys_t::IsUsedSegment( matroska_segment_c &segment ) const
4720 {
4721     for ( size_t i=0; i< used_segments.size(); i++ )
4722     {
4723         if ( used_segments[i]->FindUID( segment.segment_uid ) )
4724             return true;
4725     }
4726     return false;
4727 }
4728
4729 virtual_segment_c *demux_sys_t::VirtualFromSegments( matroska_segment_c *p_segment ) const
4730 {
4731     size_t i_preloaded, i;
4732
4733     virtual_segment_c *p_result = new virtual_segment_c( p_segment );
4734
4735     // fill our current virtual segment with all hard linked segments
4736     do {
4737         i_preloaded = 0;
4738         for ( i=0; i< opened_segments.size(); i++ )
4739         {
4740             i_preloaded += p_result->AddSegment( opened_segments[i] );
4741         }
4742     } while ( i_preloaded ); // worst case: will stop when all segments are found as linked
4743
4744     p_result->Sort( );
4745
4746     p_result->PreloadLinked( );
4747
4748     p_result->PrepareChapters( );
4749
4750     return p_result;
4751 }
4752
4753 bool demux_sys_t::PreparePlayback( virtual_segment_c *p_new_segment )
4754 {
4755     if ( p_new_segment != NULL && p_new_segment != p_current_segment )
4756     {
4757         if ( p_current_segment != NULL && p_current_segment->Segment() != NULL )
4758             p_current_segment->Segment()->UnSelect();
4759
4760         p_current_segment = p_new_segment;
4761         i_current_title = p_new_segment->i_sys_title;
4762     }
4763
4764     p_current_segment->LoadCues();
4765     f_duration = p_current_segment->Duration();
4766
4767     /* add information */
4768     p_current_segment->Segment()->InformationCreate( );
4769
4770     p_current_segment->Segment()->Select( 0 );
4771
4772     return true;
4773 }
4774
4775 bool matroska_segment_c::CompareSegmentUIDs( const matroska_segment_c * p_item_a, const matroska_segment_c * p_item_b )
4776 {
4777     EbmlBinary * p_itema = (EbmlBinary *)(&p_item_a->segment_uid);
4778     if ( *p_itema == p_item_b->prev_segment_uid )
4779         return true;
4780
4781     p_itema = (EbmlBinary *)(&p_item_a->next_segment_uid);
4782     if ( *p_itema == p_item_b->segment_uid )
4783         return true;
4784
4785     if ( *p_itema == p_item_b->prev_segment_uid )
4786         return true;
4787
4788     return false;
4789 }
4790
4791 bool matroska_segment_c::Preload( )
4792 {
4793     if ( b_preloaded )
4794         return false;
4795
4796     EbmlElement *el = NULL;
4797
4798     ep->Reset( &sys.demuxer );
4799
4800     while( ( el = ep->Get() ) != NULL )
4801     {
4802         if( MKV_IS_ID( el, KaxInfo ) )
4803         {
4804             ParseInfo( static_cast<KaxInfo*>( el ) );
4805         }
4806         else if( MKV_IS_ID( el, KaxTracks ) )
4807         {
4808             ParseTracks( static_cast<KaxTracks*>( el ) );
4809         }
4810         else if( MKV_IS_ID( el, KaxSeekHead ) )
4811         {
4812             ParseSeekHead( static_cast<KaxSeekHead*>( el ) );
4813         }
4814         else if( MKV_IS_ID( el, KaxCues ) )
4815         {
4816             msg_Dbg( &sys.demuxer, "|   + Cues" );
4817         }
4818         else if( MKV_IS_ID( el, KaxCluster ) )
4819         {
4820             msg_Dbg( &sys.demuxer, "|   + Cluster" );
4821
4822             cluster = (KaxCluster*)el;
4823
4824             i_start_pos = cluster->GetElementPosition();
4825             ParseCluster( );
4826
4827             ep->Down();
4828             /* stop parsing the stream */
4829             break;
4830         }
4831         else if( MKV_IS_ID( el, KaxAttachments ) )
4832         {
4833             msg_Dbg( &sys.demuxer, "|   + Attachments FIXME (but probably never supported)" );
4834         }
4835         else if( MKV_IS_ID( el, KaxChapters ) )
4836         {
4837             msg_Dbg( &sys.demuxer, "|   + Chapters" );
4838             ParseChapters( static_cast<KaxChapters*>( el ) );
4839         }
4840         else if( MKV_IS_ID( el, KaxTag ) )
4841         {
4842             msg_Dbg( &sys.demuxer, "|   + Tags FIXME TODO" );
4843         }
4844         else
4845         {
4846             msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid(*el).name() );
4847         }
4848     }
4849
4850     b_preloaded = true;
4851
4852     return true;
4853 }
4854
4855 matroska_segment_c *demux_sys_t::FindSegment( const EbmlBinary & uid ) const
4856 {
4857     for (size_t i=0; i<opened_segments.size(); i++)
4858     {
4859         if ( opened_segments[i]->segment_uid == uid )
4860             return opened_segments[i];
4861     }
4862     return NULL;
4863 }
4864
4865 chapter_item_c *demux_sys_t::BrowseCodecPrivate( unsigned int codec_id,
4866                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
4867                                         const void *p_cookie,
4868                                         size_t i_cookie_size,
4869                                         virtual_segment_c * &p_segment_found )
4870 {
4871     chapter_item_c *p_result = NULL;
4872     for (size_t i=0; i<used_segments.size(); i++)
4873     {
4874         p_result = used_segments[i]->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
4875         if ( p_result != NULL )
4876         {
4877             p_segment_found = used_segments[i];
4878             break;
4879         }
4880     }
4881     return p_result;
4882 }
4883
4884 chapter_item_c *demux_sys_t::FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found )
4885 {
4886     chapter_item_c *p_result = NULL;
4887     for (size_t i=0; i<used_segments.size(); i++)
4888     {
4889         p_result = used_segments[i]->FindChapter( i_find_uid );
4890         if ( p_result != NULL )
4891         {
4892             p_segment_found = used_segments[i];
4893             break;
4894         }
4895     }
4896     return p_result;
4897 }
4898
4899 void virtual_segment_c::Sort()
4900 {
4901     // keep the current segment index
4902     matroska_segment_c *p_segment = linked_segments[i_current_segment];
4903
4904     std::sort( linked_segments.begin(), linked_segments.end(), matroska_segment_c::CompareSegmentUIDs );
4905
4906     for ( i_current_segment=0; i_current_segment<linked_segments.size(); i_current_segment++)
4907         if ( linked_segments[i_current_segment] == p_segment )
4908             break;
4909 }
4910
4911 size_t virtual_segment_c::AddSegment( matroska_segment_c *p_segment )
4912 {
4913     size_t i;
4914     // check if it's not already in here
4915     for ( i=0; i<linked_segments.size(); i++ )
4916     {
4917         if ( p_segment->segment_uid == linked_segments[i]->segment_uid )
4918             return 0;
4919     }
4920
4921     // find possible mates
4922     for ( i=0; i<linked_uids.size(); i++ )
4923     {
4924         if (   p_segment->segment_uid == linked_uids[i]
4925             || p_segment->prev_segment_uid == linked_uids[i]
4926             || p_segment->next_segment_uid == linked_uids[i] )
4927         {
4928             linked_segments.push_back( p_segment );
4929
4930             AppendUID( p_segment->prev_segment_uid );
4931             AppendUID( p_segment->next_segment_uid );
4932
4933             return 1;
4934         }
4935     }
4936     return 0;
4937 }
4938
4939 void virtual_segment_c::PreloadLinked( )
4940 {
4941     for ( size_t i=0; i<linked_segments.size(); i++ )
4942     {
4943         linked_segments[i]->Preload( );
4944     }
4945     i_current_edition = linked_segments[0]->i_default_edition;
4946 }
4947
4948 mtime_t virtual_segment_c::Duration() const
4949 {
4950     mtime_t i_duration;
4951     if ( linked_segments.size() == 0 )
4952         i_duration = 0;
4953     else {
4954         matroska_segment_c *p_last_segment = linked_segments[linked_segments.size()-1];
4955 //        p_last_segment->ParseCluster( );
4956
4957         i_duration = p_last_segment->i_start_time / 1000 + p_last_segment->i_duration;
4958     }
4959     return i_duration;
4960 }
4961
4962 void virtual_segment_c::LoadCues( )
4963 {
4964     for ( size_t i=0; i<linked_segments.size(); i++ )
4965     {
4966         linked_segments[i]->LoadCues();
4967     }
4968 }
4969
4970 void virtual_segment_c::AppendUID( const EbmlBinary & UID )
4971 {
4972     if ( UID.GetBuffer() == NULL )
4973         return;
4974
4975     for (size_t i=0; i<linked_uids.size(); i++)
4976     {
4977         if ( UID == linked_uids[i] )
4978             return;
4979     }
4980     linked_uids.push_back( *(KaxSegmentUID*)(&UID) );
4981 }
4982
4983 void matroska_segment_c::Seek( mtime_t i_date, mtime_t i_time_offset )
4984 {
4985     KaxBlock    *block;
4986     int         i_track_skipping;
4987     int64_t     i_block_duration;
4988     int64_t     i_block_ref1;
4989     int64_t     i_block_ref2;
4990     size_t      i_track;
4991     int64_t     i_seek_position = i_start_pos;
4992     int64_t     i_seek_time = i_start_time;
4993
4994     if ( i_index > 0 )
4995     {
4996         int i_idx = 0;
4997
4998         for( ; i_idx < i_index; i_idx++ )
4999         {
5000             if( index[i_idx].i_time + i_time_offset > i_date )
5001             {
5002                 break;
5003             }
5004         }
5005
5006         if( i_idx > 0 )
5007         {
5008             i_idx--;
5009         }
5010
5011         i_seek_position = index[i_idx].i_position;
5012         i_seek_time = index[i_idx].i_time;
5013     }
5014
5015     msg_Dbg( &sys.demuxer, "seek got "I64Fd" (%d%%)",
5016                 i_seek_time, (int)( 100 * i_seek_position / stream_Size( sys.demuxer.s ) ) );
5017
5018     es.I_O().setFilePointer( i_seek_position, seek_beginning );
5019
5020     delete ep;
5021     ep = new EbmlParser( &es, segment, &sys.demuxer );
5022     cluster = NULL;
5023
5024     sys.i_start_pts = i_date;
5025
5026     es_out_Control( sys.demuxer.out, ES_OUT_RESET_PCR );
5027
5028     /* now parse until key frame */
5029     i_track_skipping = 0;
5030     for( i_track = 0; i_track < tracks.size(); i_track++ )
5031     {
5032         if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5033         {
5034             tracks[i_track]->b_search_keyframe = VLC_TRUE;
5035             i_track_skipping++;
5036         }
5037         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_date );
5038     }
5039
5040
5041     while( i_track_skipping > 0 )
5042     {
5043         if( BlockGet( &block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
5044         {
5045             msg_Warn( &sys.demuxer, "cannot get block EOF?" );
5046
5047             return;
5048         }
5049
5050         for( i_track = 0; i_track < tracks.size(); i_track++ )
5051         {
5052             if( tracks[i_track]->i_number == block->TrackNum() )
5053             {
5054                 break;
5055             }
5056         }
5057
5058         sys.i_pts = sys.i_chapter_time + block->GlobalTimecode() / (mtime_t) 1000;
5059
5060         if( i_track < tracks.size() )
5061         {
5062             if( sys.i_pts >= sys.i_start_pts )
5063             {
5064                 BlockDecode( &sys.demuxer, block, sys.i_pts, 0 );
5065                 i_track_skipping = 0;
5066             }
5067             else if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5068             {
5069                 if( i_block_ref1 == -1 && tracks[i_track]->b_search_keyframe )
5070                 {
5071                     tracks[i_track]->b_search_keyframe = VLC_FALSE;
5072                     i_track_skipping--;
5073                 }
5074                 if( !tracks[i_track]->b_search_keyframe )
5075                 {
5076                     BlockDecode( &sys.demuxer, block, sys.i_pts, 0 );
5077                 }
5078             }
5079         }
5080
5081         delete block;
5082     }
5083 }
5084
5085 void virtual_segment_c::Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter )
5086 {
5087     demux_sys_t *p_sys = demuxer.p_sys;
5088     size_t i;
5089
5090     // find the actual time for an ordered edition
5091     if ( psz_chapter == NULL )
5092     {
5093         if ( Edition() && Edition()->b_ordered )
5094         {
5095             /* 1st, we need to know in which chapter we are */
5096             psz_chapter = (*p_editions)[i_current_edition]->FindTimecode( i_date );
5097         }
5098     }
5099
5100     if ( psz_chapter != NULL )
5101     {
5102         psz_current_chapter = psz_chapter;
5103         p_sys->i_chapter_time = i_time_offset = psz_chapter->i_user_start_time - psz_chapter->i_start_time;
5104         if ( psz_chapter->i_seekpoint_num > 0 )
5105         {
5106             demuxer.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
5107             demuxer.info.i_title = p_sys->i_current_title = i_sys_title;
5108             demuxer.info.i_seekpoint = psz_chapter->i_seekpoint_num - 1;
5109         }
5110     }
5111
5112     // find the best matching segment
5113     for ( i=0; i<linked_segments.size(); i++ )
5114     {
5115         if ( i_date < linked_segments[i]->i_start_time )
5116             break;
5117     }
5118
5119     if ( i > 0 )
5120         i--;
5121
5122     if ( i_current_segment != i  )
5123     {
5124         linked_segments[i_current_segment]->UnSelect();
5125         linked_segments[i]->Select( i_date );
5126         i_current_segment = i;
5127     }
5128
5129     linked_segments[i]->Seek( i_date, i_time_offset );
5130 }
5131
5132 void chapter_codec_cmds_c::AddCommand( const KaxChapterProcessCommand & command )
5133 {
5134     size_t i;
5135
5136     uint32 codec_time = uint32(-1);
5137     for( i = 0; i < command.ListSize(); i++ )
5138     {
5139         const EbmlElement *k = command[i];
5140
5141         if( MKV_IS_ID( k, KaxChapterProcessTime ) )
5142         {
5143             codec_time = uint32( *static_cast<const KaxChapterProcessTime*>( k ) );
5144             break;
5145         }
5146     }
5147
5148     for( i = 0; i < command.ListSize(); i++ )
5149     {
5150         const EbmlElement *k = command[i];
5151
5152         if( MKV_IS_ID( k, KaxChapterProcessData ) )
5153         {
5154             KaxChapterProcessData *p_data =  new KaxChapterProcessData( *static_cast<const KaxChapterProcessData*>( k ) );
5155             switch ( codec_time )
5156             {
5157             case 0:
5158                 during_cmds.push_back( *p_data );
5159                 break;
5160             case 1:
5161                 enter_cmds.push_back( *p_data );
5162                 break;
5163             case 2:
5164                 leave_cmds.push_back( *p_data );
5165                 break;
5166             default:
5167                 delete p_data;
5168             }
5169         }
5170     }
5171 }
5172
5173 bool chapter_item_c::Enter( bool b_do_subs )
5174 {
5175     bool f_result = false;
5176     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5177     while ( index != codecs.end() )
5178     {
5179         f_result |= (*index)->Enter();
5180         index++;
5181     }
5182
5183     if ( b_do_subs )
5184     {
5185         // sub chapters
5186         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5187         while ( index_ != sub_chapters.end() )
5188         {
5189             f_result |= (*index_)->Enter( true );
5190             index_++;
5191         }
5192     }
5193     return f_result;
5194 }
5195
5196 bool chapter_item_c::Leave( bool b_do_subs )
5197 {
5198     bool f_result = false;
5199     b_is_leaving = true;
5200     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5201     while ( index != codecs.end() )
5202     {
5203         f_result |= (*index)->Leave();
5204         index++;
5205     }
5206
5207     if ( b_do_subs )
5208     {
5209         // sub chapters
5210         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5211         while ( index_ != sub_chapters.end() )
5212         {
5213             f_result |= (*index_)->Leave( true );
5214             index_++;
5215         }
5216     }
5217     b_is_leaving = false;
5218     return f_result;
5219 }
5220
5221 bool chapter_item_c::EnterAndLeave( chapter_item_c *p_item )
5222 {
5223     chapter_item_c *p_common_parent = p_item;
5224
5225     // leave, up to a common parent
5226     while ( p_common_parent != NULL && !p_common_parent->ParentOf( *this ) )
5227     {
5228         if ( !p_common_parent->b_is_leaving && p_common_parent->Leave( false ) )
5229             return true;
5230         p_common_parent = p_common_parent->psz_parent;
5231     }
5232
5233     // enter from the parent to <this>
5234     if ( p_common_parent != NULL )
5235     {
5236         do
5237         {
5238             if ( p_common_parent == this )
5239                 return Enter( true );
5240
5241             for ( size_t i = 0; i<p_common_parent->sub_chapters.size(); i++ )
5242             {
5243                 if ( p_common_parent->sub_chapters[i]->ParentOf( *this ) )
5244                 {
5245                     p_common_parent = p_common_parent->sub_chapters[i];
5246                     if ( p_common_parent != this )
5247                         if ( p_common_parent->Enter( false ) )
5248                             return true;
5249
5250                     break;
5251                 }
5252             }
5253         } while ( 1 );
5254     }
5255
5256     return Enter( true );
5257 }
5258
5259 bool dvd_chapter_codec_c::Enter()
5260 {
5261     bool f_result = false;
5262     std::vector<KaxChapterProcessData>::iterator index = enter_cmds.begin();
5263     while ( index != enter_cmds.end() )
5264     {
5265         if ( (*index).GetSize() )
5266         {
5267             binary *p_data = (*index).GetBuffer();
5268             size_t i_size = *p_data++;
5269             // avoid reading too much from the buffer
5270             i_size = min( i_size, ((*index).GetSize() - 1) >> 3 );
5271             for ( ; i_size > 0; i_size--, p_data += 8 )
5272             {
5273                 msg_Dbg( &sys.demuxer, "Matroska DVD enter command" );
5274                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5275             }
5276         }
5277         index++;
5278     }
5279     return f_result;
5280 }
5281
5282 bool dvd_chapter_codec_c::Leave()
5283 {
5284     bool f_result = false;
5285     std::vector<KaxChapterProcessData>::iterator index = leave_cmds.begin();
5286     while ( index != leave_cmds.end() )
5287     {
5288         if ( (*index).GetSize() )
5289         {
5290             binary *p_data = (*index).GetBuffer();
5291             size_t i_size = *p_data++;
5292             // avoid reading too much from the buffer
5293             i_size = min( i_size, ((*index).GetSize() - 1) >> 3 );
5294             for ( ; i_size > 0; i_size--, p_data += 8 )
5295             {
5296                 msg_Dbg( &sys.demuxer, "Matroska DVD leave command" );
5297                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5298             }
5299         }
5300         index++;
5301     }
5302     return f_result;
5303 }
5304
5305 // see http://www.dvd-replica.com/DVD/vmcmdset.php for a description of DVD commands
5306 bool dvd_command_interpretor_c::Interpret( const binary * p_command, size_t i_size )
5307 {
5308     if ( i_size != 8 )
5309         return false;
5310
5311     virtual_segment_c *p_segment;
5312     chapter_item_c *p_chapter;
5313     bool f_result = false;
5314     uint16 i_command = ( p_command[0] << 8 ) + p_command[1];
5315
5316     // handle register tests if there are some
5317     if ( (i_command & 0xF0) != 0 )
5318     {
5319         bool b_test_positive = (i_command & CMD_DVD_IF_NOT) == 0;
5320         bool b_test_value    = (i_command & CMD_DVD_TEST_VALUE) != 0;
5321         uint8 i_test = i_command & 0x70;
5322         uint16 i_value;
5323
5324         if ( b_test_value )
5325             i_value = ( p_command[4] << 8 ) + p_command[5];
5326         else
5327             i_value = GetPRM( p_command[7] );
5328
5329         switch ( i_test )
5330         {
5331         case CMD_DVD_IF_GPREG_EQUAL:
5332             // if equals
5333             msg_Dbg( &sys.demuxer, "IF %s EQUALS %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5334             if (!( GetPRM( p_command[3] ) == i_value ))
5335             {
5336                 b_test_positive = !b_test_positive;
5337             }
5338             break;
5339         case CMD_DVD_IF_GPREG_INF:
5340             // if inferior
5341             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5342             if (!( GetPRM( p_command[3] ) < i_value ))
5343             {
5344                 b_test_positive = !b_test_positive;
5345             }
5346             break;
5347         case CMD_DVD_IF_GPREG_AND:
5348             // if logical and
5349             msg_Dbg( &sys.demuxer, "IF %s & %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5350             if (!( GetPRM( p_command[3] ) & i_value ))
5351             {
5352                 b_test_positive = !b_test_positive;
5353             }
5354             break;
5355         case CMD_DVD_IF_GPREG_SUP_EQUAL:
5356             // if superior or equal
5357             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5358             if (!( GetPRM( p_command[3] ) >= i_value ))
5359             {
5360                 b_test_positive = !b_test_positive;
5361             }
5362             break;
5363         }
5364
5365         if ( !b_test_positive )
5366             return false;
5367     }
5368
5369     // strip the test command
5370     i_command &= 0xFF0F;
5371
5372     switch ( i_command )
5373     {
5374     case CMD_DVD_NOP:
5375     case CMD_DVD_NOP2:
5376         {
5377             msg_Dbg( &sys.demuxer, "NOP" );
5378             break;
5379         }
5380     case CMD_DVD_BREAK:
5381         {
5382             msg_Dbg( &sys.demuxer, "Break" );
5383             // TODO
5384             break;
5385         }
5386     case CMD_DVD_JUMP_TT:
5387         {
5388             uint8 i_title = p_command[5];
5389             msg_Dbg( &sys.demuxer, "JumpTT %d", i_title );
5390
5391             // find in the ChapProcessPrivate matching this Title level
5392             p_chapter = sys.BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title), p_segment );
5393             if ( p_chapter != NULL )
5394             {
5395                 // if the segment is not part of the current segment, select the new one
5396                 if ( p_segment != sys.p_current_segment )
5397                 {
5398                     sys.PreparePlayback( p_segment );
5399                 }
5400
5401                 // jump to the location in the found segment
5402                 p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, NULL );
5403                 p_chapter->Enter( true );
5404
5405                 f_result = true;
5406             }
5407
5408             break;
5409         }
5410     case CMD_DVD_CALLSS_VTSM1:
5411         {
5412             msg_Dbg( &sys.demuxer, "CallSS VTSM" );
5413             switch( (p_command[6] & 0xC0) >> 6 ) {
5414                 case 0:
5415                     switch ( p_command[5] )
5416                     {
5417                     case 0x00:
5418                         msg_Dbg( &sys.demuxer, "CallSS PGC (rsm_cell %x)", p_command[5]);
5419                         break;
5420                     case 0x82:
5421                         msg_Dbg( &sys.demuxer, "CallSS Title Entry (rsm_cell %x)", p_command[5]);
5422                         break;
5423                     case 0x83:
5424                         msg_Dbg( &sys.demuxer, "CallSS Root Menu (rsm_cell %x)", p_command[5]);
5425                         break;
5426                     case 0x84:
5427                         msg_Dbg( &sys.demuxer, "CallSS Subpicture Menu (rsm_cell %x)", p_command[5]);
5428                         break;
5429                     case 0x85:
5430                         msg_Dbg( &sys.demuxer, "CallSS Audio Menu (rsm_cell %x)", p_command[5]);
5431                         break;
5432                     case 0x86:
5433                         msg_Dbg( &sys.demuxer, "CallSS Angle Menu (rsm_cell %x)", p_command[5]);
5434                         break;
5435                     case 0x87:
5436                         msg_Dbg( &sys.demuxer, "CallSS Chapter Menu (rsm_cell %x)", p_command[5]);
5437                         break;
5438                     default:
5439                         msg_Dbg( &sys.demuxer, "CallSS <unknown> (rsm_cell %x)", p_command[5]);
5440                         break;
5441                     }
5442                     p_chapter = sys.BrowseCodecPrivate( 1, MatchPgcType, &p_command[5], 1, p_segment );
5443                     if ( p_chapter != NULL )
5444                     {
5445                         // if the segment is not part of the current segment, select the new one
5446                         if ( p_segment != sys.p_current_segment )
5447                         {
5448                             sys.PreparePlayback( p_segment );
5449                         }
5450
5451                         p_chapter->Enter( true );
5452
5453                         // jump to the location in the found segment
5454                         p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5455                         f_result = true;
5456                     }
5457                 break;
5458                 case 1:
5459                     msg_Dbg( &sys.demuxer, "CallSS VMGM (menu %d, rsm_cell %x)", p_command[6] & 0x0F, p_command[5]);
5460                 break;
5461                 case 2:
5462                     msg_Dbg( &sys.demuxer, "CallSS VTSM (menu %d, rsm_cell %x)", p_command[6] & 0x0F, p_command[5]);
5463                 break;
5464                 case 3:
5465                     msg_Dbg( &sys.demuxer, "CallSS VMGM (pgc %d, rsm_cell %x)", (p_command[3] << 8) + p_command[4], p_command[5]);
5466                 break;
5467             }
5468             break;
5469         }
5470     case CMD_DVD_JUMPVTS_PTT:
5471         {
5472             uint16 i_title = (p_command[4] << 8) + p_command[5];
5473             uint8 i_ptt    = p_command[3];
5474
5475             msg_Dbg( &sys.demuxer, "JumpVTS Title (%d) PTT (%d)", i_title, i_ptt);
5476
5477             // find the current VTS content segment
5478             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchIsDomain, NULL, 0 );
5479             if ( p_chapter != NULL )
5480             {
5481                 int16 i_curr_title = p_chapter->GetTitleNumber( );
5482                 if ( i_curr_title > 0 )
5483                 {
5484                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSNumber, &i_curr_title, sizeof(i_curr_title), p_segment );
5485
5486                     if ( p_chapter != NULL )
5487                     {
5488                         p_chapter = p_segment->BrowseCodecPrivate( 1, MatchChapterNumber, &i_ptt, sizeof(i_ptt) );
5489                         if ( p_chapter != NULL )
5490                         {
5491                             // if the segment is not part of the current segment, select the new one
5492                             if ( p_segment != sys.p_current_segment )
5493                             {
5494                                 sys.PreparePlayback( p_segment );
5495                             }
5496
5497                             p_chapter->Enter( true );
5498
5499                             // jump to the location in the found segment
5500                             p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5501                             f_result = true;
5502                         }
5503                     }
5504                     else
5505                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", i_curr_title );
5506                 }
5507                 else
5508                     msg_Dbg( &sys.demuxer, "JumpVTS_PTT command found but not in a VTS(M)");
5509             }
5510             else
5511                 msg_Dbg( &sys.demuxer, "JumpVTS_PTT command but the DVD domain wasn't found");
5512             break;
5513         }
5514     case CMD_DVD_SET_GPRMMD:
5515         {
5516             msg_Dbg( &sys.demuxer, "Set GPRMMD [%d]=%d", (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3]);
5517
5518             if ( !SetGPRM( (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3] ) )
5519                 msg_Dbg( &sys.demuxer, "Set GPRMMD failed" );
5520             break;
5521         }
5522     case CMD_DVD_LINKPGCN:
5523         {
5524             uint16 i_pgcn = (p_command[6] << 8) + p_command[7];
5525
5526             msg_Dbg( &sys.demuxer, "Link PGCN(%d)", i_pgcn );
5527             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchPgcNumber, &i_pgcn, 2 );
5528             if ( p_chapter != NULL )
5529             {
5530                 p_chapter->Enter( true );
5531
5532                 // jump to the location in the found segment
5533                 sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5534                 f_result = true;
5535             }
5536             break;
5537         }
5538     case CMD_DVD_LINKCN:
5539         {
5540             uint8 i_cn = p_command[7];
5541
5542             p_chapter = sys.p_current_segment->CurrentChapter();
5543
5544             msg_Dbg( &sys.demuxer, "LinkCN (cell %d)", i_cn );
5545             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchCellNumber, &i_cn, 1 );
5546             if ( p_chapter != NULL )
5547             {
5548                 p_chapter->Enter( true );
5549
5550                 // jump to the location in the found segment
5551                 sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5552                 f_result = true;
5553             }
5554             break;
5555         }
5556     case CMD_DVD_GOTO_LINE:
5557         {
5558             msg_Dbg( &sys.demuxer, "GotoLine (%d)", (p_command[6] << 8) + p_command[7] );
5559             // TODO
5560             break;
5561         }
5562     default:
5563         {
5564             msg_Dbg( &sys.demuxer, "unsupported command : %02X %02X %02X %02X %02X %02X %02X %02X"
5565                      ,p_command[0]
5566                      ,p_command[1]
5567                      ,p_command[2]
5568                      ,p_command[3]
5569                      ,p_command[4]
5570                      ,p_command[5]
5571                      ,p_command[6]
5572                      ,p_command[7]);
5573             break;
5574         }
5575     }
5576
5577     return f_result;
5578 }
5579
5580 bool dvd_command_interpretor_c::MatchIsDomain( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5581 {
5582     return ( data.m_private_data.GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS );
5583 }
5584
5585 bool dvd_command_interpretor_c::MatchVTSNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5586 {
5587     if ( i_cookie_size != 2 || data.m_private_data.GetSize() < 4 )
5588         return false;
5589
5590     if ( data.m_private_data.GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.m_private_data.GetBuffer()[1] != 0x80 )
5591         return false;
5592
5593     uint16 i_gtitle = (data.m_private_data.GetBuffer()[2] << 8 ) + data.m_private_data.GetBuffer()[3];
5594     uint16 i_title = *(uint16*)p_cookie;
5595
5596     return (i_gtitle == i_title);
5597 }
5598
5599 bool dvd_command_interpretor_c::MatchTitleNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5600 {
5601     if ( i_cookie_size != 1 || data.m_private_data.GetSize() < 4 )
5602         return false;
5603
5604     if ( data.m_private_data.GetBuffer()[0] != MATROSKA_DVD_LEVEL_TT )
5605         return false;
5606
5607     uint16 i_gtitle = (data.m_private_data.GetBuffer()[1] << 8 ) + data.m_private_data.GetBuffer()[2];
5608     uint8 i_title = *(uint8*)p_cookie;
5609
5610     return (i_gtitle == i_title);
5611 }
5612
5613 bool dvd_command_interpretor_c::MatchPgcType( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5614 {
5615     if ( i_cookie_size != 1 || data.m_private_data.GetSize() < 8 )
5616         return false;
5617
5618     if ( data.m_private_data.GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
5619         return false;
5620
5621     uint8 i_pgc_type = data.m_private_data.GetBuffer()[3];
5622     uint8 i_pgc = *(uint8*)p_cookie;
5623
5624     return (i_pgc_type == i_pgc);
5625 }
5626
5627 bool dvd_command_interpretor_c::MatchPgcNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5628 {
5629     if ( i_cookie_size != 2 || data.m_private_data.GetSize() < 8 )
5630         return false;
5631
5632     if ( data.m_private_data.GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
5633         return false;
5634
5635     uint16 *i_pgc_n = (uint16 *)p_cookie;
5636     uint16 i_pgc_num = (data.m_private_data.GetBuffer()[1] << 8) + data.m_private_data.GetBuffer()[2];
5637
5638     return (i_pgc_num == *i_pgc_n);
5639 }
5640
5641 bool dvd_command_interpretor_c::MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5642 {
5643     if ( i_cookie_size != 1 || data.m_private_data.GetSize() < 2 )
5644         return false;
5645
5646     if ( data.m_private_data.GetBuffer()[0] != MATROSKA_DVD_LEVEL_PTT )
5647         return false;
5648
5649     uint8 i_chapter = data.m_private_data.GetBuffer()[1];
5650     uint8 i_ptt = *(uint8*)p_cookie;
5651
5652     return (i_chapter == i_ptt);
5653 }
5654
5655 bool dvd_command_interpretor_c::MatchCellNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5656 {
5657     if ( i_cookie_size != 1 || data.m_private_data.GetSize() < 5 )
5658         return false;
5659
5660     if ( data.m_private_data.GetBuffer()[0] != MATROSKA_DVD_LEVEL_CN )
5661         return false;
5662
5663     uint8 *i_cell_n = (uint8 *)p_cookie;
5664     uint8 i_cell_num = data.m_private_data.GetBuffer()[3];
5665
5666     return (i_cell_num == *i_cell_n);
5667 }
5668
5669 bool matroska_script_codec_c::Enter()
5670 {
5671     bool f_result = false;
5672     std::vector<KaxChapterProcessData>::iterator index = enter_cmds.begin();
5673     while ( index != enter_cmds.end() )
5674     {
5675         if ( (*index).GetSize() )
5676         {
5677             msg_Dbg( &sys.demuxer, "Matroska Script enter command" );
5678             f_result |= interpretor.Interpret( (*index).GetBuffer(), (*index).GetSize() );
5679         }
5680         index++;
5681     }
5682     return f_result;
5683 }
5684
5685 bool matroska_script_codec_c::Leave()
5686 {
5687     bool f_result = false;
5688     std::vector<KaxChapterProcessData>::iterator index = leave_cmds.begin();
5689     while ( index != leave_cmds.end() )
5690     {
5691         if ( (*index).GetSize() )
5692         {
5693             msg_Dbg( &sys.demuxer, "Matroska Script leave command" );
5694             f_result |= interpretor.Interpret( (*index).GetBuffer(), (*index).GetSize() );
5695         }
5696         index++;
5697     }
5698     return f_result;
5699 }
5700
5701 // see http://www.matroska.org/technical/specs/chapters/index.html#mscript
5702 //  for a description of existing commands
5703 bool matroska_script_interpretor_c::Interpret( const binary * p_command, size_t i_size )
5704 {
5705     bool b_result = false;
5706
5707     char *psz_str = (char*) malloc( i_size + 1 );
5708     memcpy( psz_str, p_command, i_size );
5709     psz_str[ i_size ] = '\0';
5710
5711     std::string sz_command = psz_str;
5712     free( psz_str );
5713
5714     msg_Dbg( &sys.demuxer, "command : %s", sz_command.c_str() );
5715
5716 #if defined(__GNUC__) && (__GNUC__ < 3)
5717     if ( sz_command.compare( CMD_MS_GOTO_AND_PLAY, 0, CMD_MS_GOTO_AND_PLAY.size() ) == 0 )
5718 #else
5719     if ( sz_command.compare( 0, CMD_MS_GOTO_AND_PLAY.size(), CMD_MS_GOTO_AND_PLAY ) == 0 )
5720 #endif
5721     {
5722         size_t i,j;
5723
5724         // find the (
5725         for ( i=CMD_MS_GOTO_AND_PLAY.size(); i<sz_command.size(); i++)
5726         {
5727             if ( sz_command[i] == '(' )
5728             {
5729                 i++;
5730                 break;
5731             }
5732         }
5733         // find the )
5734         for ( j=i; j<sz_command.size(); j++)
5735         {
5736             if ( sz_command[j] == ')' )
5737             {
5738                 i--;
5739                 break;
5740             }
5741         }
5742
5743         std::string st = sz_command.substr( i+1, j-i-1 );
5744         int64_t i_chapter_uid = atoi( st.c_str() );
5745
5746         virtual_segment_c *p_segment;
5747         chapter_item_c *p_chapter = sys.FindChapter( i_chapter_uid, p_segment );
5748
5749         if ( p_chapter == NULL )
5750             msg_Dbg( &sys.demuxer, "Chapter "I64Fd" not found", i_chapter_uid);
5751         else
5752         {
5753             if ( !p_chapter->EnterAndLeave( sys.p_current_segment->CurrentChapter() ) )
5754                 p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5755             b_result = true;
5756         }
5757     }
5758
5759     return b_result;
5760 }
5761
5762 void demux_sys_t::SwapButtons()
5763 {
5764 #ifndef WORDS_BIGENDIAN
5765     uint8_t button, i, j;
5766
5767     for( button = 1; button <= pci_packet.hli.hl_gi.btn_ns; button++) {
5768         btni_t *button_ptr = &(pci_packet.hli.btnit[button-1]);
5769         binary *p_data = (binary*) button_ptr;
5770
5771         uint16 i_x_start = ((p_data[0] & 0x3F) << 4 ) + ( p_data[1] >> 4 );
5772         uint16 i_x_end   = ((p_data[1] & 0x03) << 8 ) + p_data[2];
5773         uint16 i_y_start = ((p_data[3] & 0x3F) << 4 ) + ( p_data[4] >> 4 );
5774         uint16 i_y_end   = ((p_data[4] & 0x03) << 8 ) + p_data[5];
5775         button_ptr->x_start = i_x_start;
5776         button_ptr->x_end   = i_x_end;
5777         button_ptr->y_start = i_y_start;
5778         button_ptr->y_end   = i_y_end;
5779
5780     }
5781     for ( i = 0; i<3; i++ )
5782     {
5783         for ( j = 0; j<2; j++ )
5784         {
5785             pci_packet.hli.btn_colit.btn_coli[i][j] = U32_AT( &pci_packet.hli.btn_colit.btn_coli[i][j] );
5786         }
5787     }
5788 #endif
5789 }