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