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