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         vlc_mutex_init( p_ev, &p_ev->lock );
2261         vlc_thread_create( p_ev, "mkv event thread handler", EventThread,
2262                         VLC_THREAD_PRIORITY_LOW, VLC_FALSE );
2263     }
2264 }
2265
2266 void demux_sys_t::StopUiThread()
2267 {
2268     if ( b_ui_hooked )
2269     {
2270         p_ev->b_die = VLC_TRUE;
2271
2272         var_Destroy( p_input, "highlight-mutex" );
2273         var_Destroy( p_input, "highlight" );
2274         var_Destroy( p_input, "x-start" );
2275         var_Destroy( p_input, "x-end" );
2276         var_Destroy( p_input, "y-start" );
2277         var_Destroy( p_input, "y-end" );
2278         var_Destroy( p_input, "color" );
2279         var_Destroy( p_input, "menu-contrast" );
2280
2281         vlc_thread_join( p_ev );
2282         vlc_object_destroy( p_ev );
2283
2284         p_ev = NULL;
2285
2286         msg_Dbg( &demuxer, "Stopping the UI Hook" );
2287     }
2288     b_ui_hooked = false;
2289 }
2290
2291 int demux_sys_t::EventMouse( vlc_object_t *p_this, char const *psz_var,
2292                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
2293 {
2294     event_thread_t *p_ev = (event_thread_t *) p_data;
2295     vlc_mutex_lock( &p_ev->lock );
2296     if( psz_var[6] == 'c' )
2297         p_ev->b_clicked = VLC_TRUE;
2298     else if( psz_var[6] == 'm' )
2299         p_ev->b_moved = VLC_TRUE;
2300     vlc_mutex_unlock( &p_ev->lock );
2301
2302     return VLC_SUCCESS;
2303 }
2304
2305 int demux_sys_t::EventKey( vlc_object_t *p_this, char const *psz_var,
2306                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
2307 {
2308     event_thread_t *p_ev = (event_thread_t *) p_data;
2309     vlc_mutex_lock( &p_ev->lock );
2310     p_ev->b_key = VLC_TRUE;
2311     vlc_mutex_unlock( &p_ev->lock );
2312
2313     return VLC_SUCCESS;
2314 }
2315
2316 int demux_sys_t::EventThread( vlc_object_t *p_this )
2317 {
2318     event_thread_t *p_ev = (event_thread_t*)p_this;
2319     demux_sys_t    *p_sys = p_ev->p_demux->p_sys;
2320     vlc_object_t   *p_vout = NULL;
2321
2322     p_ev->b_moved   = VLC_FALSE;
2323     p_ev->b_clicked = VLC_FALSE;
2324     p_ev->b_key     = VLC_FALSE;
2325
2326     /* catch all key event */
2327     var_AddCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2328
2329     /* main loop */
2330     while( !p_ev->b_die )
2331     {
2332         vlc_bool_t b_activated = VLC_FALSE;
2333
2334         /* KEY part */
2335         if( p_ev->b_key )
2336         {
2337             vlc_value_t valk;
2338             struct vlc_t::hotkey *p_hotkeys = p_ev->p_vlc->p_hotkeys;
2339             int i, i_action = -1;
2340
2341             vlc_mutex_lock( &p_ev->lock );
2342
2343             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2344
2345             var_Get( p_ev->p_vlc, "key-pressed", &valk );
2346             for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
2347             {
2348                 if( p_hotkeys[i].i_key == valk.i_int )
2349                 {
2350                     i_action = p_hotkeys[i].i_action;
2351                 }
2352             }
2353
2354             switch( i_action )
2355             {
2356             case ACTIONID_NAV_LEFT:
2357 //                dvdnav_left_button_select( NULL, pci );
2358                 break;
2359             case ACTIONID_NAV_RIGHT:
2360 //                dvdnav_right_button_select( NULL, pci );
2361                 break;
2362             case ACTIONID_NAV_UP:
2363 //                dvdnav_upper_button_select( NULL, pci );
2364                 break;
2365             case ACTIONID_NAV_DOWN:
2366 //                dvdnav_lower_button_select( NULL, pci );
2367                 break;
2368             case ACTIONID_NAV_ACTIVATE:
2369                 b_activated = VLC_TRUE;
2370 //                dvdnav_button_activate( NULL, pci );
2371                 break;
2372             default:
2373                 break;
2374             }
2375             p_ev->b_key = VLC_FALSE;
2376             vlc_mutex_unlock( &p_ev->lock );
2377         }
2378
2379         /* VOUT part */
2380         if( p_vout && ( p_ev->b_moved || p_ev->b_clicked ) )
2381         {
2382             vlc_value_t valx, valy;
2383
2384             vlc_mutex_lock( &p_ev->lock );
2385             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2386             var_Get( p_vout, "mouse-x", &valx );
2387             var_Get( p_vout, "mouse-y", &valy );
2388
2389             if( p_ev->b_moved )
2390             {
2391 //                dvdnav_mouse_select( NULL, pci, valx.i_int, valy.i_int );
2392                 p_ev->b_moved = 0;
2393             }
2394             if( p_ev->b_clicked )
2395             {
2396                 int32_t button;
2397                 int32_t best,dist,d;
2398                 int32_t mx,my,dx,dy;
2399
2400                 b_activated = VLC_TRUE;
2401                 // get current button
2402                 best = 0;
2403                 dist = 0x08000000; /* >> than  (720*720)+(567*567); */
2404                 for(button = 1; button <= pci->hli.hl_gi.btn_ns; button++)
2405                 {
2406                     btni_t *button_ptr = &(pci->hli.btnit[button-1]);
2407
2408                     if((valx.i_int >= button_ptr->x_start) && (valx.i_int <= button_ptr->x_end) &&
2409                        (valy.i_int >= button_ptr->y_start) && (valy.i_int <= button_ptr->y_end))
2410                     {
2411                         mx = (button_ptr->x_start + button_ptr->x_end)/2;
2412                         my = (button_ptr->y_start + button_ptr->y_end)/2;
2413                         dx = mx - valx.i_int;
2414                         dy = my - valy.i_int;
2415                         d = (dx*dx) + (dy*dy);
2416                         /* If the mouse is within the button and the mouse is closer
2417                         * to the center of this button then it is the best choice. */
2418                         if(d < dist) {
2419                             dist = d;
2420                             best = button;
2421                         }
2422                     }
2423                 }
2424
2425                 if ( best != 0)
2426                 {
2427                     btni_t *button_ptr = &(pci->hli.btnit[best-1]);
2428
2429                     msg_Dbg( &p_sys->demuxer, "Clicked button %d", best );
2430
2431                     // process the button action
2432                     p_sys->dvd_interpretor.SetSPRM( 0x88, best );
2433                     p_sys->dvd_interpretor.Interpret( button_ptr->cmd.bytes, 8 );
2434
2435                     // select new button
2436                     if ( best != p_sys->i_curr_button )
2437                     {
2438                         vlc_value_t val;
2439
2440                         if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
2441                         {
2442                             vlc_mutex_t *p_mutex = (vlc_mutex_t *) val.p_address;
2443                             btni_t *button_ptr = &(pci->hli.btnit[best-1]);
2444                             uint32_t i_palette;
2445
2446                             if(button_ptr->btn_coln != 0) {
2447                                 i_palette = pci->hli.btn_colit.btn_coli[button_ptr->btn_coln-1][1];
2448                             } else {
2449                                 i_palette = 0;
2450                             }
2451                             p_sys->alpha[0] = i_palette      & 0x0f;
2452                             p_sys->alpha[1] = (i_palette>>4) & 0x0f;
2453                             p_sys->alpha[2] = (i_palette>>8) & 0x0f;
2454                             p_sys->alpha[3] = (i_palette>>12)& 0x0f;
2455
2456                             vlc_mutex_lock( p_mutex );
2457                             val.i_int = button_ptr->x_start; var_Set( p_sys->p_input, "x-start", val );
2458                             val.i_int = button_ptr->x_end;   var_Set( p_sys->p_input, "x-end",   val );
2459                             val.i_int = button_ptr->y_start; var_Set( p_sys->p_input, "y-start", val );
2460                             val.i_int = button_ptr->y_end;   var_Set( p_sys->p_input, "y-end",   val );
2461
2462                             val.p_address = (void *)p_sys->alpha;
2463                             var_Set( p_sys->p_input, "menu-contrast", val );
2464
2465                             val.b_bool = VLC_TRUE; var_Set( p_sys->p_input, "highlight", val );
2466                             vlc_mutex_unlock( p_mutex );
2467
2468                             p_sys->i_curr_button = best;
2469                         }
2470                     }
2471                 }
2472             }
2473
2474             p_ev->b_moved = VLC_FALSE;
2475             p_ev->b_clicked = VLC_FALSE;
2476             vlc_mutex_unlock( &p_ev->lock );
2477         }
2478
2479         if( p_vout && p_vout->b_die )
2480         {
2481             var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2482             var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2483             vlc_object_release( p_vout );
2484             p_vout = NULL;
2485         }
2486
2487         if( p_vout == NULL )
2488         {
2489             p_vout = (vlc_object_t*) vlc_object_find( p_sys->p_input, VLC_OBJECT_VOUT,
2490                                       FIND_CHILD );
2491             if( p_vout)
2492             {
2493                 var_AddCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2494                 var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2495             }
2496         }
2497
2498         /* Wait a bit */
2499         msleep( 10000 );
2500     }
2501
2502     /* Release callback */
2503     if( p_vout )
2504     {
2505         var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2506         var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2507         vlc_object_release( p_vout );
2508     }
2509     var_DelCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2510
2511     vlc_mutex_destroy( &p_ev->lock );
2512
2513     return VLC_SUCCESS;
2514 }
2515
2516 void matroska_segment_c::UnSelect( )
2517 {
2518     size_t i_track;
2519
2520     sys.StopUiThread();
2521
2522     for( i_track = 0; i_track < tracks.size(); i_track++ )
2523     {
2524         if ( tracks[i_track]->p_es != NULL )
2525         {
2526             es_out_Del( sys.demuxer.out, tracks[i_track]->p_es );
2527             tracks[i_track]->p_es = NULL;
2528         }
2529     }
2530     delete ep;
2531     ep = NULL;
2532 }
2533
2534 void virtual_segment_c::PrepareChapters( )
2535 {
2536     if ( linked_segments.size() == 0 )
2537         return;
2538
2539     // !!! should be called only once !!!
2540     matroska_segment_c *p_segment;
2541     size_t i, j;
2542
2543     // copy editions from the first segment
2544     p_segment = linked_segments[0];
2545     p_editions = &p_segment->stored_editions;
2546
2547     for ( i=1 ; i<linked_segments.size(); i++ )
2548     {
2549         p_segment = linked_segments[i];
2550         // FIXME assume we have the same editions in all segments
2551         for (j=0; j<p_segment->stored_editions.size(); j++)
2552             (*p_editions)[j]->Append( *p_segment->stored_editions[j] );
2553     }
2554 }
2555
2556 std::string chapter_edition_c::GetMainName() const
2557 {
2558     if ( sub_chapters.size() )
2559     {
2560         return sub_chapters[0]->GetCodecName( true );
2561     }
2562     return "";
2563 }
2564
2565 int chapter_item_c::PublishChapters( input_title_t & title, int & i_user_chapters, int i_level )
2566 {
2567     // add support for meta-elements from codec like DVD Titles
2568     if ( !b_display_seekpoint || psz_name == "" )
2569     {
2570         psz_name = GetCodecName();
2571         if ( psz_name != "" )
2572             b_display_seekpoint = true;
2573     }
2574
2575     if (b_display_seekpoint)
2576     {
2577         seekpoint_t *sk = vlc_seekpoint_New();
2578
2579         sk->i_level = i_level;
2580         sk->i_time_offset = i_start_time;
2581         sk->psz_name = strdup( psz_name.c_str() );
2582
2583         // A start time of '0' is ok. A missing ChapterTime element is ok, too, because '0' is its default value.
2584         title.i_seekpoint++;
2585         title.seekpoint = (seekpoint_t**)realloc( title.seekpoint, title.i_seekpoint * sizeof( seekpoint_t* ) );
2586         title.seekpoint[title.i_seekpoint-1] = sk;
2587
2588         if ( b_user_display )
2589             i_user_chapters++;
2590     }
2591
2592     for ( size_t i=0; i<sub_chapters.size() ; i++)
2593     {
2594         sub_chapters[i]->PublishChapters( title, i_user_chapters, i_level+1 );
2595     }
2596
2597     i_seekpoint_num = i_user_chapters;
2598
2599     return i_user_chapters;
2600 }
2601
2602 bool virtual_segment_c::UpdateCurrentToChapter( demux_t & demux )
2603 {
2604     demux_sys_t & sys = *demux.p_sys;
2605     chapter_item_c *psz_curr_chapter;
2606
2607     /* update current chapter/seekpoint */
2608     if ( p_editions->size() )
2609     {
2610         /* 1st, we need to know in which chapter we are */
2611         psz_curr_chapter = (*p_editions)[i_current_edition]->FindTimecode( sys.i_pts );
2612
2613         /* we have moved to a new chapter */
2614         if (psz_curr_chapter != NULL && psz_current_chapter != psz_curr_chapter)
2615         {
2616             if ( (*p_editions)[i_current_edition]->b_ordered )
2617             {
2618                 // Leave/Enter up to the link point
2619                 if ( !psz_curr_chapter->EnterAndLeave( psz_current_chapter ) )
2620                 {
2621                     // only seek if necessary
2622                     if ( psz_current_chapter == NULL || (psz_current_chapter->i_end_time != psz_curr_chapter->i_start_time) )
2623                         Seek( demux, sys.i_pts, 0, psz_curr_chapter );
2624                     psz_current_chapter = psz_curr_chapter;
2625                 }
2626             }
2627             else if ( psz_curr_chapter->i_seekpoint_num > 0 )
2628             {
2629                 demux.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
2630                 demux.info.i_title = sys.i_current_title = i_sys_title;
2631                 demux.info.i_seekpoint = psz_curr_chapter->i_seekpoint_num - 1;
2632                 psz_current_chapter = psz_curr_chapter;
2633             }
2634             else
2635             {
2636                 psz_current_chapter = psz_curr_chapter;
2637             }
2638
2639             return true;
2640         }
2641         else if (psz_curr_chapter == NULL)
2642         {
2643             // out of the scope of the data described by chapters, leave the edition
2644             if ( (*p_editions)[i_current_edition]->b_ordered && psz_current_chapter != NULL )
2645             {
2646                 if ( !(*p_editions)[i_current_edition]->EnterAndLeave( psz_current_chapter ) )
2647                     psz_current_chapter = NULL;
2648             }
2649         }
2650     }
2651     return false;
2652 }
2653
2654 chapter_item_c *virtual_segment_c::BrowseCodecPrivate( unsigned int codec_id,
2655                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
2656                                     const void *p_cookie,
2657                                     size_t i_cookie_size )
2658 {
2659     // FIXME don't assume it is the first edition
2660     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
2661     if ( index != p_editions->end() )
2662     {
2663         chapter_item_c *p_result = (*index)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
2664         if ( p_result != NULL )
2665             return p_result;
2666     }
2667     return NULL;
2668 }
2669
2670 chapter_item_c *virtual_segment_c::FindChapter( int64_t i_find_uid )
2671 {
2672     // FIXME don't assume it is the first edition
2673     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
2674     if ( index != p_editions->end() )
2675     {
2676         chapter_item_c *p_result = (*index)->FindChapter( i_find_uid );
2677         if ( p_result != NULL )
2678             return p_result;
2679     }
2680     return NULL;
2681 }
2682
2683 chapter_item_c *chapter_item_c::BrowseCodecPrivate( unsigned int codec_id,
2684                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
2685                                     const void *p_cookie,
2686                                     size_t i_cookie_size )
2687 {
2688     // this chapter
2689     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2690     while ( index != codecs.end() )
2691     {
2692         if ( match( **index ,p_cookie, i_cookie_size ) )
2693             return this;
2694         index++;
2695     }
2696
2697     // sub-chapters
2698     chapter_item_c *p_result = NULL;
2699     std::vector<chapter_item_c*>::const_iterator index2 = sub_chapters.begin();
2700     while ( index2 != sub_chapters.end() )
2701     {
2702         p_result = (*index2)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
2703         if ( p_result != NULL )
2704             return p_result;
2705         index2++;
2706     }
2707
2708     return p_result;
2709 }
2710
2711 void chapter_item_c::Append( const chapter_item_c & chapter )
2712 {
2713     // we are appending content for the same chapter UID
2714     size_t i;
2715     chapter_item_c *p_chapter;
2716
2717     for ( i=0; i<chapter.sub_chapters.size(); i++ )
2718     {
2719         p_chapter = FindChapter( chapter.sub_chapters[i]->i_uid );
2720         if ( p_chapter != NULL )
2721         {
2722             p_chapter->Append( *chapter.sub_chapters[i] );
2723         }
2724         else
2725         {
2726             sub_chapters.push_back( chapter.sub_chapters[i] );
2727         }
2728     }
2729
2730     i_user_start_time = min( i_user_start_time, chapter.i_user_start_time );
2731     i_user_end_time = max( i_user_end_time, chapter.i_user_end_time );
2732 }
2733
2734 chapter_item_c * chapter_item_c::FindChapter( int64_t i_find_uid )
2735 {
2736     size_t i;
2737     chapter_item_c *p_result = NULL;
2738
2739     if ( i_uid == i_find_uid )
2740         return this;
2741
2742     for ( i=0; i<sub_chapters.size(); i++)
2743     {
2744         p_result = sub_chapters[i]->FindChapter( i_find_uid );
2745         if ( p_result != NULL )
2746             break;
2747     }
2748     return p_result;
2749 }
2750
2751 std::string chapter_item_c::GetCodecName( bool f_for_title ) const
2752 {
2753     std::string result;
2754
2755     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2756     while ( index != codecs.end() )
2757     {
2758         result = (*index)->GetCodecName( f_for_title );
2759         if ( result != "" )
2760             break;
2761         index++;
2762     }
2763
2764     return result;
2765 }
2766
2767 std::string dvd_chapter_codec_c::GetCodecName( bool f_for_title ) const
2768 {
2769     std::string result;
2770     if ( m_private_data.GetSize() >= 3)
2771     {
2772         const binary* p_data = m_private_data.GetBuffer();
2773 /*        if ( p_data[0] == MATROSKA_DVD_LEVEL_TT )
2774         {
2775             uint16_t i_title = (p_data[1] << 8) + p_data[2];
2776             char psz_str[11];
2777             sprintf( psz_str, " %d  ---", i_title );
2778             result = N_("---  DVD Title");
2779             result += psz_str;
2780         }
2781         else */ if ( p_data[0] == MATROSKA_DVD_LEVEL_LU )
2782         {
2783             char psz_str[11];
2784             sprintf( psz_str, " (%c%c)  ---", p_data[1], p_data[2] );
2785             result = N_("---  DVD Menu");
2786             result += psz_str;
2787         }
2788         else if ( p_data[0] == MATROSKA_DVD_LEVEL_SS && f_for_title )
2789         {
2790             if ( p_data[1] == 0x00 )
2791                 result = N_("First Played");
2792             else if ( p_data[1] == 0xC0 )
2793                 result = N_("Video Manager");
2794             else if ( p_data[1] == 0x80 )
2795             {
2796                 uint16_t i_title = (p_data[2] << 8) + p_data[3];
2797                 char psz_str[20];
2798                 sprintf( psz_str, " %d -----", i_title );
2799                 result = N_("----- Title");
2800                 result += psz_str;
2801             }
2802         }
2803     }
2804
2805     return result;
2806 }
2807
2808 static void Seek( demux_t *p_demux, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter )
2809 {
2810     demux_sys_t        *p_sys = p_demux->p_sys;
2811     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
2812     matroska_segment_c *p_segment = p_vsegment->Segment();
2813     mtime_t            i_time_offset = 0;
2814
2815     int         i_index;
2816
2817     msg_Dbg( p_demux, "seek request to "I64Fd" (%f%%)", i_date, f_percent );
2818     if( i_date < 0 && f_percent < 0 )
2819     {
2820         msg_Warn( p_demux, "cannot seek nowhere !" );
2821         return;
2822     }
2823     if( f_percent > 1.0 )
2824     {
2825         msg_Warn( p_demux, "cannot seek so far !" );
2826         return;
2827     }
2828
2829     /* seek without index or without date */
2830     if( f_percent >= 0 && (config_GetInt( p_demux, "mkv-seek-percent" ) || !p_segment->b_cues || i_date < 0 ))
2831     {
2832         if (p_sys->f_duration >= 0)
2833         {
2834             i_date = int64_t( f_percent * p_sys->f_duration * 1000.0 );
2835         }
2836         else
2837         {
2838             int64_t i_pos = int64_t( f_percent * stream_Size( p_demux->s ) );
2839
2840             msg_Dbg( p_demux, "inacurate way of seeking" );
2841             for( i_index = 0; i_index < p_segment->i_index; i_index++ )
2842             {
2843                 if( p_segment->index[i_index].i_position >= i_pos)
2844                 {
2845                     break;
2846                 }
2847             }
2848             if( i_index == p_segment->i_index )
2849             {
2850                 i_index--;
2851             }
2852
2853             i_date = p_segment->index[i_index].i_time;
2854
2855 #if 0
2856             if( p_segment->index[i_index].i_position < i_pos )
2857             {
2858                 EbmlElement *el;
2859
2860                 msg_Warn( p_demux, "searching for cluster, could take some time" );
2861
2862                 /* search a cluster */
2863                 while( ( el = p_sys->ep->Get() ) != NULL )
2864                 {
2865                     if( MKV_IS_ID( el, KaxCluster ) )
2866                     {
2867                         KaxCluster *cluster = (KaxCluster*)el;
2868
2869                         /* add it to the index */
2870                         p_segment->IndexAppendCluster( cluster );
2871
2872                         if( (int64_t)cluster->GetElementPosition() >= i_pos )
2873                         {
2874                             p_sys->cluster = cluster;
2875                             p_sys->ep->Down();
2876                             break;
2877                         }
2878                     }
2879                 }
2880             }
2881 #endif
2882         }
2883     }
2884
2885     p_vsegment->Seek( *p_demux, i_date, i_time_offset, psz_chapter );
2886 }
2887
2888 /*****************************************************************************
2889  * Demux: reads and demuxes data packets
2890  *****************************************************************************
2891  * Returns -1 in case of error, 0 in case of EOF, 1 otherwise
2892  *****************************************************************************/
2893 static int Demux( demux_t *p_demux)
2894 {
2895     demux_sys_t        *p_sys = p_demux->p_sys;
2896     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
2897     matroska_segment_c *p_segment = p_vsegment->Segment();
2898     if ( p_segment == NULL ) return 0;
2899     int                i_block_count = 0;
2900     int                i_return = 0;
2901
2902     KaxBlock *block;
2903     int64_t i_block_duration;
2904     int64_t i_block_ref1;
2905     int64_t i_block_ref2;
2906
2907     for( ;; )
2908     {
2909         if ( p_sys->demuxer.b_die )
2910             break;
2911
2912         if( p_sys->i_pts >= p_sys->i_start_pts  )
2913             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
2914             {
2915                 i_return = 1;
2916                 break;
2917             }
2918
2919         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
2920         {
2921             /* nothing left to read in this ordered edition */
2922             if ( !p_vsegment->SelectNext() )
2923                 break;
2924             p_segment->UnSelect( );
2925
2926             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
2927
2928             /* switch to the next segment */
2929             p_segment = p_vsegment->Segment();
2930             if ( !p_segment->Select( 0 ) )
2931             {
2932                 msg_Err( p_demux, "Failed to select new segment" );
2933                 break;
2934             }
2935             continue;
2936         }
2937
2938
2939         if( p_segment->BlockGet( &block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
2940         {
2941             if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered )
2942             {
2943                 const chapter_item_c *p_chap = p_vsegment->CurrentChapter();
2944                 // check if there are more chapters to read
2945                 if ( p_chap != NULL )
2946                 {
2947                     /* TODO handle successive chapters with the same user_start_time/user_end_time
2948                     if ( p_chap->i_user_start_time == p_chap->i_user_start_time )
2949                         p_vsegment->SelectNext();
2950                     */
2951                     p_sys->i_pts = p_chap->i_user_end_time;
2952                     p_sys->i_pts++; // trick to avoid staying on segments with no duration and no content
2953
2954                     i_return = 1;
2955                 }
2956
2957                 break;
2958             }
2959             msg_Warn( p_demux, "cannot get block EOF?" );
2960             p_segment->UnSelect( );
2961
2962             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
2963
2964             /* switch to the next segment */
2965             if ( !p_vsegment->SelectNext() )
2966                 // no more segments in this stream
2967                 break;
2968             p_segment = p_vsegment->Segment();
2969             if ( !p_segment->Select( 0 ) )
2970             {
2971                 msg_Err( p_demux, "Failed to select new segment" );
2972                 break;
2973             }
2974
2975             continue;
2976         }
2977
2978         p_sys->i_pts = p_sys->i_chapter_time + block->GlobalTimecode() / (mtime_t) 1000;
2979
2980         if( p_sys->i_pts >= p_sys->i_start_pts  )
2981         {
2982             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pts );
2983         }
2984
2985         BlockDecode( p_demux, block, p_sys->i_pts, i_block_duration );
2986
2987         delete block;
2988         i_block_count++;
2989
2990         // TODO optimize when there is need to leave or when seeking has been called
2991         if( i_block_count > 5 )
2992         {
2993             i_return = 1;
2994             break;
2995         }
2996     }
2997
2998     return i_return;
2999 }
3000
3001
3002
3003 /*****************************************************************************
3004  * Stream managment
3005  *****************************************************************************/
3006 vlc_stream_io_callback::vlc_stream_io_callback( stream_t *s_ )
3007 {
3008     s = s_;
3009     mb_eof = VLC_FALSE;
3010 }
3011
3012 uint32 vlc_stream_io_callback::read( void *p_buffer, size_t i_size )
3013 {
3014     if( i_size <= 0 || mb_eof )
3015     {
3016         return 0;
3017     }
3018
3019     return stream_Read( s, p_buffer, i_size );
3020 }
3021 void vlc_stream_io_callback::setFilePointer(int64_t i_offset, seek_mode mode )
3022 {
3023     int64_t i_pos;
3024
3025     switch( mode )
3026     {
3027         case seek_beginning:
3028             i_pos = i_offset;
3029             break;
3030         case seek_end:
3031             i_pos = stream_Size( s ) - i_offset;
3032             break;
3033         default:
3034             i_pos= stream_Tell( s ) + i_offset;
3035             break;
3036     }
3037
3038     if( i_pos < 0 || i_pos >= stream_Size( s ) )
3039     {
3040         mb_eof = VLC_TRUE;
3041         return;
3042     }
3043
3044     mb_eof = VLC_FALSE;
3045     if( stream_Seek( s, i_pos ) )
3046     {
3047         mb_eof = VLC_TRUE;
3048     }
3049     return;
3050 }
3051 size_t vlc_stream_io_callback::write( const void *p_buffer, size_t i_size )
3052 {
3053     return 0;
3054 }
3055 uint64 vlc_stream_io_callback::getFilePointer( void )
3056 {
3057     return stream_Tell( s );
3058 }
3059 void vlc_stream_io_callback::close( void )
3060 {
3061     return;
3062 }
3063
3064
3065 /*****************************************************************************
3066  * Ebml Stream parser
3067  *****************************************************************************/
3068 EbmlParser::EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux )
3069 {
3070     int i;
3071
3072     m_es = es;
3073     m_got = NULL;
3074     m_el[0] = el_start;
3075     mi_remain_size[0] = el_start->GetSize();
3076
3077     for( i = 1; i < 6; i++ )
3078     {
3079         m_el[i] = NULL;
3080     }
3081     mi_level = 1;
3082     mi_user_level = 1;
3083     mb_keep = VLC_FALSE;
3084     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3085 }
3086
3087 EbmlParser::~EbmlParser( void )
3088 {
3089     int i;
3090
3091     for( i = 1; i < mi_level; i++ )
3092     {
3093         if( !mb_keep )
3094         {
3095             delete m_el[i];
3096         }
3097         mb_keep = VLC_FALSE;
3098     }
3099 }
3100
3101 void EbmlParser::Up( void )
3102 {
3103     if( mi_user_level == mi_level )
3104     {
3105         fprintf( stderr," arrrrrrrrrrrrrg Up cannot escape itself\n" );
3106     }
3107
3108     mi_user_level--;
3109 }
3110
3111 void EbmlParser::Down( void )
3112 {
3113     mi_user_level++;
3114     mi_level++;
3115 }
3116
3117 void EbmlParser::Keep( void )
3118 {
3119     mb_keep = VLC_TRUE;
3120 }
3121
3122 int EbmlParser::GetLevel( void )
3123 {
3124     return mi_user_level;
3125 }
3126
3127 void EbmlParser::Reset( demux_t *p_demux )
3128 {
3129     while ( mi_level > 0)
3130     {
3131         delete m_el[mi_level];
3132         m_el[mi_level] = NULL;
3133         mi_level--;
3134     }
3135     mi_user_level = mi_level = 1;
3136 #if LIBEBML_VERSION >= 0x000704
3137     // a little faster and cleaner
3138     m_es->I_O().setFilePointer( static_cast<KaxSegment*>(m_el[0])->GetGlobalPosition(0) );
3139 #else
3140     m_es->I_O().setFilePointer( m_el[0]->GetElementPosition() + m_el[0]->ElementSize(true) - m_el[0]->GetSize() );
3141 #endif
3142     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3143 }
3144
3145 EbmlElement *EbmlParser::Get( void )
3146 {
3147     int i_ulev = 0;
3148
3149     if( mi_user_level != mi_level )
3150     {
3151         return NULL;
3152     }
3153     if( m_got )
3154     {
3155         EbmlElement *ret = m_got;
3156         m_got = NULL;
3157
3158         return ret;
3159     }
3160
3161     if( m_el[mi_level] )
3162     {
3163         m_el[mi_level]->SkipData( *m_es, m_el[mi_level]->Generic().Context );
3164         if( !mb_keep )
3165         {
3166             delete m_el[mi_level];
3167         }
3168         mb_keep = VLC_FALSE;
3169     }
3170
3171     m_el[mi_level] = m_es->FindNextElement( m_el[mi_level - 1]->Generic().Context, i_ulev, 0xFFFFFFFFL, mb_dummy, 1 );
3172 //    mi_remain_size[mi_level] = m_el[mi_level]->GetSize();
3173     if( i_ulev > 0 )
3174     {
3175         while( i_ulev > 0 )
3176         {
3177             if( mi_level == 1 )
3178             {
3179                 mi_level = 0;
3180                 return NULL;
3181             }
3182
3183             delete m_el[mi_level - 1];
3184             m_got = m_el[mi_level -1] = m_el[mi_level];
3185             m_el[mi_level] = NULL;
3186
3187             mi_level--;
3188             i_ulev--;
3189         }
3190         return NULL;
3191     }
3192     else if( m_el[mi_level] == NULL )
3193     {
3194         fprintf( stderr," m_el[mi_level] == NULL\n" );
3195     }
3196
3197     return m_el[mi_level];
3198 }
3199
3200
3201 /*****************************************************************************
3202  * Tools
3203  *  * LoadCues : load the cues element and update index
3204  *
3205  *  * LoadTags : load ... the tags element
3206  *
3207  *  * InformationCreate : create all information, load tags if present
3208  *
3209  *****************************************************************************/
3210 void matroska_segment_c::LoadCues( )
3211 {
3212     int64_t     i_sav_position = es.I_O().getFilePointer();
3213     EbmlParser  *ep;
3214     EbmlElement *el, *cues;
3215
3216     /* *** Load the cue if found *** */
3217     if( i_cues_position < 0 )
3218     {
3219         msg_Warn( &sys.demuxer, "no cues/empty cues found->seek won't be precise" );
3220
3221 //        IndexAppendCluster( cluster );
3222     }
3223
3224     vlc_bool_t b_seekable;
3225
3226     stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
3227     if( !b_seekable )
3228         return;
3229
3230     msg_Dbg( &sys.demuxer, "loading cues" );
3231     es.I_O().setFilePointer( i_cues_position, seek_beginning );
3232     cues = es.FindNextID( KaxCues::ClassInfos, 0xFFFFFFFFL);
3233
3234     if( cues == NULL )
3235     {
3236         msg_Err( &sys.demuxer, "cannot load cues (broken seekhead or file)" );
3237         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3238         return;
3239     }
3240
3241     ep = new EbmlParser( &es, cues, &sys.demuxer );
3242     while( ( el = ep->Get() ) != NULL )
3243     {
3244         if( MKV_IS_ID( el, KaxCuePoint ) )
3245         {
3246 #define idx index[i_index]
3247
3248             idx.i_track       = -1;
3249             idx.i_block_number= -1;
3250             idx.i_position    = -1;
3251             idx.i_time        = 0;
3252             idx.b_key         = VLC_TRUE;
3253
3254             ep->Down();
3255             while( ( el = ep->Get() ) != NULL )
3256             {
3257                 if( MKV_IS_ID( el, KaxCueTime ) )
3258                 {
3259                     KaxCueTime &ctime = *(KaxCueTime*)el;
3260
3261                     ctime.ReadData( es.I_O() );
3262
3263                     idx.i_time = uint64( ctime ) * i_timescale / (mtime_t)1000;
3264                 }
3265                 else if( MKV_IS_ID( el, KaxCueTrackPositions ) )
3266                 {
3267                     ep->Down();
3268                     while( ( el = ep->Get() ) != NULL )
3269                     {
3270                         if( MKV_IS_ID( el, KaxCueTrack ) )
3271                         {
3272                             KaxCueTrack &ctrack = *(KaxCueTrack*)el;
3273
3274                             ctrack.ReadData( es.I_O() );
3275                             idx.i_track = uint16( ctrack );
3276                         }
3277                         else if( MKV_IS_ID( el, KaxCueClusterPosition ) )
3278                         {
3279                             KaxCueClusterPosition &ccpos = *(KaxCueClusterPosition*)el;
3280
3281                             ccpos.ReadData( es.I_O() );
3282                             idx.i_position = segment->GetGlobalPosition( uint64( ccpos ) );
3283                         }
3284                         else if( MKV_IS_ID( el, KaxCueBlockNumber ) )
3285                         {
3286                             KaxCueBlockNumber &cbnum = *(KaxCueBlockNumber*)el;
3287
3288                             cbnum.ReadData( es.I_O() );
3289                             idx.i_block_number = uint32( cbnum );
3290                         }
3291                         else
3292                         {
3293                             msg_Dbg( &sys.demuxer, "         * Unknown (%s)", typeid(*el).name() );
3294                         }
3295                     }
3296                     ep->Up();
3297                 }
3298                 else
3299                 {
3300                     msg_Dbg( &sys.demuxer, "     * Unknown (%s)", typeid(*el).name() );
3301                 }
3302             }
3303             ep->Up();
3304
3305 #if 0
3306             msg_Dbg( &sys.demuxer, " * added time="I64Fd" pos="I64Fd
3307                      " track=%d bnum=%d", idx.i_time, idx.i_position,
3308                      idx.i_track, idx.i_block_number );
3309 #endif
3310
3311             i_index++;
3312             if( i_index >= i_index_max )
3313             {
3314                 i_index_max += 1024;
3315                 index = (mkv_index_t*)realloc( index, sizeof( mkv_index_t ) * i_index_max );
3316             }
3317 #undef idx
3318         }
3319         else
3320         {
3321             msg_Dbg( &sys.demuxer, " * Unknown (%s)", typeid(*el).name() );
3322         }
3323     }
3324     delete ep;
3325     delete cues;
3326
3327     b_cues = VLC_TRUE;
3328
3329     msg_Dbg( &sys.demuxer, "loading cues done." );
3330     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3331 }
3332
3333 void matroska_segment_c::LoadTags( )
3334 {
3335     int64_t     i_sav_position = es.I_O().getFilePointer();
3336     EbmlParser  *ep;
3337     EbmlElement *el, *tags;
3338
3339     msg_Dbg( &sys.demuxer, "loading tags" );
3340     es.I_O().setFilePointer( i_tags_position, seek_beginning );
3341     tags = es.FindNextID( KaxTags::ClassInfos, 0xFFFFFFFFL);
3342
3343     if( tags == NULL )
3344     {
3345         msg_Err( &sys.demuxer, "cannot load tags (broken seekhead or file)" );
3346         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3347         return;
3348     }
3349
3350     msg_Dbg( &sys.demuxer, "Tags" );
3351     ep = new EbmlParser( &es, tags, &sys.demuxer );
3352     while( ( el = ep->Get() ) != NULL )
3353     {
3354         if( MKV_IS_ID( el, KaxTag ) )
3355         {
3356             msg_Dbg( &sys.demuxer, "+ Tag" );
3357             ep->Down();
3358             while( ( el = ep->Get() ) != NULL )
3359             {
3360                 if( MKV_IS_ID( el, KaxTagTargets ) )
3361                 {
3362                     msg_Dbg( &sys.demuxer, "|   + Targets" );
3363                     ep->Down();
3364                     while( ( el = ep->Get() ) != NULL )
3365                     {
3366                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3367                     }
3368                     ep->Up();
3369                 }
3370                 else if( MKV_IS_ID( el, KaxTagGeneral ) )
3371                 {
3372                     msg_Dbg( &sys.demuxer, "|   + General" );
3373                     ep->Down();
3374                     while( ( el = ep->Get() ) != NULL )
3375                     {
3376                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3377                     }
3378                     ep->Up();
3379                 }
3380                 else if( MKV_IS_ID( el, KaxTagGenres ) )
3381                 {
3382                     msg_Dbg( &sys.demuxer, "|   + Genres" );
3383                     ep->Down();
3384                     while( ( el = ep->Get() ) != NULL )
3385                     {
3386                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3387                     }
3388                     ep->Up();
3389                 }
3390                 else if( MKV_IS_ID( el, KaxTagAudioSpecific ) )
3391                 {
3392                     msg_Dbg( &sys.demuxer, "|   + Audio Specific" );
3393                     ep->Down();
3394                     while( ( el = ep->Get() ) != NULL )
3395                     {
3396                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3397                     }
3398                     ep->Up();
3399                 }
3400                 else if( MKV_IS_ID( el, KaxTagImageSpecific ) )
3401                 {
3402                     msg_Dbg( &sys.demuxer, "|   + Images Specific" );
3403                     ep->Down();
3404                     while( ( el = ep->Get() ) != NULL )
3405                     {
3406                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3407                     }
3408                     ep->Up();
3409                 }
3410                 else if( MKV_IS_ID( el, KaxTagMultiComment ) )
3411                 {
3412                     msg_Dbg( &sys.demuxer, "|   + Multi Comment" );
3413                 }
3414                 else if( MKV_IS_ID( el, KaxTagMultiCommercial ) )
3415                 {
3416                     msg_Dbg( &sys.demuxer, "|   + Multi Commercial" );
3417                 }
3418                 else if( MKV_IS_ID( el, KaxTagMultiDate ) )
3419                 {
3420                     msg_Dbg( &sys.demuxer, "|   + Multi Date" );
3421                 }
3422                 else if( MKV_IS_ID( el, KaxTagMultiEntity ) )
3423                 {
3424                     msg_Dbg( &sys.demuxer, "|   + Multi Entity" );
3425                 }
3426                 else if( MKV_IS_ID( el, KaxTagMultiIdentifier ) )
3427                 {
3428                     msg_Dbg( &sys.demuxer, "|   + Multi Identifier" );
3429                 }
3430                 else if( MKV_IS_ID( el, KaxTagMultiLegal ) )
3431                 {
3432                     msg_Dbg( &sys.demuxer, "|   + Multi Legal" );
3433                 }
3434                 else if( MKV_IS_ID( el, KaxTagMultiTitle ) )
3435                 {
3436                     msg_Dbg( &sys.demuxer, "|   + Multi Title" );
3437                 }
3438                 else
3439                 {
3440                     msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid( *el ).name() );
3441                 }
3442             }
3443             ep->Up();
3444         }
3445         else
3446         {
3447             msg_Dbg( &sys.demuxer, "+ Unknown (%s)", typeid( *el ).name() );
3448         }
3449     }
3450     delete ep;
3451     delete tags;
3452
3453     msg_Dbg( &sys.demuxer, "loading tags done." );
3454     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3455 }
3456
3457 /*****************************************************************************
3458  * ParseSeekHead:
3459  *****************************************************************************/
3460 void matroska_segment_c::ParseSeekHead( KaxSeekHead *seekhead )
3461 {
3462     EbmlElement *el;
3463     size_t i, j;
3464     int i_upper_level = 0;
3465
3466     msg_Dbg( &sys.demuxer, "|   + Seek head" );
3467
3468     /* Master elements */
3469     seekhead->Read( es, seekhead->Generic().Context, i_upper_level, el, true );
3470
3471     for( i = 0; i < seekhead->ListSize(); i++ )
3472     {
3473         EbmlElement *l = (*seekhead)[i];
3474
3475         if( MKV_IS_ID( l, KaxSeek ) )
3476         {
3477             EbmlMaster *sk = static_cast<EbmlMaster *>(l);
3478             EbmlId id = EbmlVoid::ClassInfos.GlobalId;
3479             int64_t i_pos = -1;
3480
3481             for( j = 0; j < sk->ListSize(); j++ )
3482             {
3483                 EbmlElement *l = (*sk)[j];
3484
3485                 if( MKV_IS_ID( l, KaxSeekID ) )
3486                 {
3487                     KaxSeekID &sid = *(KaxSeekID*)l;
3488                     id = EbmlId( sid.GetBuffer(), sid.GetSize() );
3489                 }
3490                 else if( MKV_IS_ID( l, KaxSeekPosition ) )
3491                 {
3492                     KaxSeekPosition &spos = *(KaxSeekPosition*)l;
3493                     i_pos = uint64( spos );
3494                 }
3495                 else
3496                 {
3497                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
3498                 }
3499             }
3500
3501             if( i_pos >= 0 )
3502             {
3503                 if( id == KaxCues::ClassInfos.GlobalId )
3504                 {
3505                     msg_Dbg( &sys.demuxer, "|   |   |   = cues at "I64Fd, i_pos );
3506                     i_cues_position = segment->GetGlobalPosition( i_pos );
3507                 }
3508                 else if( id == KaxChapters::ClassInfos.GlobalId )
3509                 {
3510                     msg_Dbg( &sys.demuxer, "|   |   |   = chapters at "I64Fd, i_pos );
3511                     i_chapters_position = segment->GetGlobalPosition( i_pos );
3512                 }
3513                 else if( id == KaxTags::ClassInfos.GlobalId )
3514                 {
3515                     msg_Dbg( &sys.demuxer, "|   |   |   = tags at "I64Fd, i_pos );
3516                     i_tags_position = segment->GetGlobalPosition( i_pos );
3517                 }
3518             }
3519         }
3520         else
3521         {
3522             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
3523         }
3524     }
3525 }
3526
3527 /*****************************************************************************
3528  * ParseTrackEntry:
3529  *****************************************************************************/
3530 void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
3531 {
3532     size_t i, j, k, n;
3533
3534     mkv_track_t *tk;
3535
3536     msg_Dbg( &sys.demuxer, "|   |   + Track Entry" );
3537
3538     tk = new mkv_track_t();
3539     tracks.push_back( tk );
3540
3541     /* Init the track */
3542     memset( tk, 0, sizeof( mkv_track_t ) );
3543
3544     es_format_Init( &tk->fmt, UNKNOWN_ES, 0 );
3545     tk->fmt.psz_language = strdup("English");
3546     tk->fmt.psz_description = NULL;
3547
3548     tk->b_default = VLC_TRUE;
3549     tk->b_enabled = VLC_TRUE;
3550     tk->b_silent = VLC_FALSE;
3551     tk->i_number = tracks.size() - 1;
3552     tk->i_extra_data = 0;
3553     tk->p_extra_data = NULL;
3554     tk->psz_codec = NULL;
3555     tk->i_default_duration = 0;
3556     tk->f_timecodescale = 1.0;
3557
3558     tk->b_inited = VLC_FALSE;
3559     tk->i_data_init = 0;
3560     tk->p_data_init = NULL;
3561
3562     tk->psz_codec_name = NULL;
3563     tk->psz_codec_settings = NULL;
3564     tk->psz_codec_info_url = NULL;
3565     tk->psz_codec_download_url = NULL;
3566
3567     tk->i_compression_type = MATROSKA_COMPRESSION_NONE;
3568
3569     for( i = 0; i < m->ListSize(); i++ )
3570     {
3571         EbmlElement *l = (*m)[i];
3572
3573         if( MKV_IS_ID( l, KaxTrackNumber ) )
3574         {
3575             KaxTrackNumber &tnum = *(KaxTrackNumber*)l;
3576
3577             tk->i_number = uint32( tnum );
3578             msg_Dbg( &sys.demuxer, "|   |   |   + Track Number=%u", uint32( tnum ) );
3579         }
3580         else  if( MKV_IS_ID( l, KaxTrackUID ) )
3581         {
3582             KaxTrackUID &tuid = *(KaxTrackUID*)l;
3583
3584             msg_Dbg( &sys.demuxer, "|   |   |   + Track UID=%u",  uint32( tuid ) );
3585         }
3586         else  if( MKV_IS_ID( l, KaxTrackType ) )
3587         {
3588             char *psz_type;
3589             KaxTrackType &ttype = *(KaxTrackType*)l;
3590
3591             switch( uint8(ttype) )
3592             {
3593                 case track_audio:
3594                     psz_type = "audio";
3595                     tk->fmt.i_cat = AUDIO_ES;
3596                     break;
3597                 case track_video:
3598                     psz_type = "video";
3599                     tk->fmt.i_cat = VIDEO_ES;
3600                     break;
3601                 case track_subtitle:
3602                     psz_type = "subtitle";
3603                     tk->fmt.i_cat = SPU_ES;
3604                     break;
3605                 case track_buttons:
3606                     psz_type = "buttons";
3607                     tk->fmt.i_cat = SPU_ES;
3608                     break;
3609                 default:
3610                     psz_type = "unknown";
3611                     tk->fmt.i_cat = UNKNOWN_ES;
3612                     break;
3613             }
3614
3615             msg_Dbg( &sys.demuxer, "|   |   |   + Track Type=%s", psz_type );
3616         }
3617 //        else  if( EbmlId( *l ) == KaxTrackFlagEnabled::ClassInfos.GlobalId )
3618 //        {
3619 //            KaxTrackFlagEnabled &fenb = *(KaxTrackFlagEnabled*)l;
3620
3621 //            tk->b_enabled = uint32( fenb );
3622 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Enabled=%u",
3623 //                     uint32( fenb )  );
3624 //        }
3625         else  if( MKV_IS_ID( l, KaxTrackFlagDefault ) )
3626         {
3627             KaxTrackFlagDefault &fdef = *(KaxTrackFlagDefault*)l;
3628
3629             tk->b_default = uint32( fdef );
3630             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default=%u", uint32( fdef )  );
3631         }
3632         else  if( MKV_IS_ID( l, KaxTrackFlagLacing ) )
3633         {
3634             KaxTrackFlagLacing &lac = *(KaxTrackFlagLacing*)l;
3635
3636             msg_Dbg( &sys.demuxer, "|   |   |   + Track Lacing=%d", uint32( lac ) );
3637         }
3638         else  if( MKV_IS_ID( l, KaxTrackMinCache ) )
3639         {
3640             KaxTrackMinCache &cmin = *(KaxTrackMinCache*)l;
3641
3642             msg_Dbg( &sys.demuxer, "|   |   |   + Track MinCache=%d", uint32( cmin ) );
3643         }
3644         else  if( MKV_IS_ID( l, KaxTrackMaxCache ) )
3645         {
3646             KaxTrackMaxCache &cmax = *(KaxTrackMaxCache*)l;
3647
3648             msg_Dbg( &sys.demuxer, "|   |   |   + Track MaxCache=%d", uint32( cmax ) );
3649         }
3650         else  if( MKV_IS_ID( l, KaxTrackDefaultDuration ) )
3651         {
3652             KaxTrackDefaultDuration &defd = *(KaxTrackDefaultDuration*)l;
3653
3654             tk->i_default_duration = uint64(defd);
3655             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default Duration="I64Fd, uint64(defd) );
3656         }
3657         else  if( MKV_IS_ID( l, KaxTrackTimecodeScale ) )
3658         {
3659             KaxTrackTimecodeScale &ttcs = *(KaxTrackTimecodeScale*)l;
3660
3661             tk->f_timecodescale = float( ttcs );
3662             msg_Dbg( &sys.demuxer, "|   |   |   + Track TimeCodeScale=%f", tk->f_timecodescale );
3663         }
3664         else if( MKV_IS_ID( l, KaxTrackName ) )
3665         {
3666             KaxTrackName &tname = *(KaxTrackName*)l;
3667
3668             tk->fmt.psz_description = UTF8ToStr( UTFstring( tname ) );
3669             msg_Dbg( &sys.demuxer, "|   |   |   + Track Name=%s", tk->fmt.psz_description );
3670         }
3671         else  if( MKV_IS_ID( l, KaxTrackLanguage ) )
3672         {
3673             KaxTrackLanguage &lang = *(KaxTrackLanguage*)l;
3674
3675             tk->fmt.psz_language = strdup( string( lang ).c_str() );
3676             msg_Dbg( &sys.demuxer,
3677                      "|   |   |   + Track Language=`%s'", tk->fmt.psz_language );
3678         }
3679         else  if( MKV_IS_ID( l, KaxCodecID ) )
3680         {
3681             KaxCodecID &codecid = *(KaxCodecID*)l;
3682
3683             tk->psz_codec = strdup( string( codecid ).c_str() );
3684             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecId=%s", string( codecid ).c_str() );
3685         }
3686         else  if( MKV_IS_ID( l, KaxCodecPrivate ) )
3687         {
3688             KaxCodecPrivate &cpriv = *(KaxCodecPrivate*)l;
3689
3690             tk->i_extra_data = cpriv.GetSize();
3691             if( tk->i_extra_data > 0 )
3692             {
3693                 tk->p_extra_data = (uint8_t*)malloc( tk->i_extra_data );
3694                 memcpy( tk->p_extra_data, cpriv.GetBuffer(), tk->i_extra_data );
3695             }
3696             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecPrivate size="I64Fd, cpriv.GetSize() );
3697         }
3698         else if( MKV_IS_ID( l, KaxCodecName ) )
3699         {
3700             KaxCodecName &cname = *(KaxCodecName*)l;
3701
3702             tk->psz_codec_name = UTF8ToStr( UTFstring( cname ) );
3703             msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Name=%s", tk->psz_codec_name );
3704         }
3705         else if( MKV_IS_ID( l, KaxContentEncodings ) )
3706         {
3707             EbmlMaster *cencs = static_cast<EbmlMaster*>(l);
3708             MkvTree( sys.demuxer, 3, "Content Encodings" );
3709             for( j = 0; j < cencs->ListSize(); j++ )
3710             {
3711                 EbmlElement *l2 = (*cencs)[j];
3712                 if( MKV_IS_ID( l2, KaxContentEncoding ) )
3713                 {
3714                     MkvTree( sys.demuxer, 4, "Content Encoding" );
3715                     EbmlMaster *cenc = static_cast<EbmlMaster*>(l2);
3716                     for( k = 0; k < cenc->ListSize(); k++ )
3717                     {
3718                         EbmlElement *l3 = (*cenc)[k];
3719                         if( MKV_IS_ID( l3, KaxContentEncodingOrder ) )
3720                         {
3721                             KaxContentEncodingOrder &encord = *(KaxContentEncodingOrder*)l3;
3722                             MkvTree( sys.demuxer, 5, "Order: %i", uint32( encord ) );
3723                         }
3724                         else if( MKV_IS_ID( l3, KaxContentEncodingScope ) )
3725                         {
3726                             KaxContentEncodingScope &encscope = *(KaxContentEncodingScope*)l3;
3727                             MkvTree( sys.demuxer, 5, "Scope: %i", uint32( encscope ) );
3728                         }
3729                         else if( MKV_IS_ID( l3, KaxContentEncodingType ) )
3730                         {
3731                             KaxContentEncodingType &enctype = *(KaxContentEncodingType*)l3;
3732                             MkvTree( sys.demuxer, 5, "Type: %i", uint32( enctype ) );
3733                         }
3734                         else if( MKV_IS_ID( l3, KaxContentCompression ) )
3735                         {
3736                             EbmlMaster *compr = static_cast<EbmlMaster*>(l3);
3737                             MkvTree( sys.demuxer, 5, "Content Compression" );
3738                             for( n = 0; n < compr->ListSize(); n++ )
3739                             {
3740                                 EbmlElement *l4 = (*compr)[n];
3741                                 if( MKV_IS_ID( l4, KaxContentCompAlgo ) )
3742                                 {
3743                                     KaxContentCompAlgo &compalg = *(KaxContentCompAlgo*)l4;
3744                                     MkvTree( sys.demuxer, 6, "Compression Algorithm: %i", uint32(compalg) );
3745                                     if( uint32( compalg ) == 0 )
3746                                     {
3747                                         tk->i_compression_type = MATROSKA_COMPRESSION_ZLIB;
3748                                     }
3749                                 }
3750                                 else
3751                                 {
3752                                     MkvTree( sys.demuxer, 6, "Unknown (%s)", typeid(*l4).name() );
3753                                 }
3754                             }
3755                         }
3756
3757                         else
3758                         {
3759                             MkvTree( sys.demuxer, 5, "Unknown (%s)", typeid(*l3).name() );
3760                         }
3761                     }
3762
3763                 }
3764                 else
3765                 {
3766                     MkvTree( sys.demuxer, 4, "Unknown (%s)", typeid(*l2).name() );
3767                 }
3768             }
3769
3770         }
3771 //        else if( EbmlId( *l ) == KaxCodecSettings::ClassInfos.GlobalId )
3772 //        {
3773 //            KaxCodecSettings &cset = *(KaxCodecSettings*)l;
3774
3775 //            tk->psz_codec_settings = UTF8ToStr( UTFstring( cset ) );
3776 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Settings=%s", tk->psz_codec_settings );
3777 //        }
3778 //        else if( EbmlId( *l ) == KaxCodecInfoURL::ClassInfos.GlobalId )
3779 //        {
3780 //            KaxCodecInfoURL &ciurl = *(KaxCodecInfoURL*)l;
3781
3782 //            tk->psz_codec_info_url = strdup( string( ciurl ).c_str() );
3783 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_info_url );
3784 //        }
3785 //        else if( EbmlId( *l ) == KaxCodecDownloadURL::ClassInfos.GlobalId )
3786 //        {
3787 //            KaxCodecDownloadURL &cdurl = *(KaxCodecDownloadURL*)l;
3788
3789 //            tk->psz_codec_download_url = strdup( string( cdurl ).c_str() );
3790 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_download_url );
3791 //        }
3792 //        else if( EbmlId( *l ) == KaxCodecDecodeAll::ClassInfos.GlobalId )
3793 //        {
3794 //            KaxCodecDecodeAll &cdall = *(KaxCodecDecodeAll*)l;
3795
3796 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Decode All=%u <== UNUSED", uint8( cdall ) );
3797 //        }
3798 //        else if( EbmlId( *l ) == KaxTrackOverlay::ClassInfos.GlobalId )
3799 //        {
3800 //            KaxTrackOverlay &tovr = *(KaxTrackOverlay*)l;
3801
3802 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Overlay=%u <== UNUSED", uint32( tovr ) );
3803 //        }
3804         else  if( MKV_IS_ID( l, KaxTrackVideo ) )
3805         {
3806             EbmlMaster *tkv = static_cast<EbmlMaster*>(l);
3807             unsigned int j;
3808
3809             msg_Dbg( &sys.demuxer, "|   |   |   + Track Video" );
3810             tk->f_fps = 0.0;
3811
3812             for( j = 0; j < tkv->ListSize(); j++ )
3813             {
3814                 EbmlElement *l = (*tkv)[j];
3815 //                if( EbmlId( *el4 ) == KaxVideoFlagInterlaced::ClassInfos.GlobalId )
3816 //                {
3817 //                    KaxVideoFlagInterlaced &fint = *(KaxVideoFlagInterlaced*)el4;
3818
3819 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Interlaced=%u", uint8( fint ) );
3820 //                }
3821 //                else if( EbmlId( *el4 ) == KaxVideoStereoMode::ClassInfos.GlobalId )
3822 //                {
3823 //                    KaxVideoStereoMode &stereo = *(KaxVideoStereoMode*)el4;
3824
3825 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Stereo Mode=%u", uint8( stereo ) );
3826 //                }
3827 //                else
3828                 if( MKV_IS_ID( l, KaxVideoPixelWidth ) )
3829                 {
3830                     KaxVideoPixelWidth &vwidth = *(KaxVideoPixelWidth*)l;
3831
3832                     tk->fmt.video.i_width = uint16( vwidth );
3833                     msg_Dbg( &sys.demuxer, "|   |   |   |   + width=%d", uint16( vwidth ) );
3834                 }
3835                 else if( MKV_IS_ID( l, KaxVideoPixelHeight ) )
3836                 {
3837                     KaxVideoPixelWidth &vheight = *(KaxVideoPixelWidth*)l;
3838
3839                     tk->fmt.video.i_height = uint16( vheight );
3840                     msg_Dbg( &sys.demuxer, "|   |   |   |   + height=%d", uint16( vheight ) );
3841                 }
3842                 else if( MKV_IS_ID( l, KaxVideoDisplayWidth ) )
3843                 {
3844                     KaxVideoDisplayWidth &vwidth = *(KaxVideoDisplayWidth*)l;
3845
3846                     tk->fmt.video.i_visible_width = uint16( vwidth );
3847                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display width=%d", uint16( vwidth ) );
3848                 }
3849                 else if( MKV_IS_ID( l, KaxVideoDisplayHeight ) )
3850                 {
3851                     KaxVideoDisplayWidth &vheight = *(KaxVideoDisplayWidth*)l;
3852
3853                     tk->fmt.video.i_visible_height = uint16( vheight );
3854                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display height=%d", uint16( vheight ) );
3855                 }
3856                 else if( MKV_IS_ID( l, KaxVideoFrameRate ) )
3857                 {
3858                     KaxVideoFrameRate &vfps = *(KaxVideoFrameRate*)l;
3859
3860                     tk->f_fps = float( vfps );
3861                     msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( vfps ) );
3862                 }
3863 //                else if( EbmlId( *l ) == KaxVideoDisplayUnit::ClassInfos.GlobalId )
3864 //                {
3865 //                     KaxVideoDisplayUnit &vdmode = *(KaxVideoDisplayUnit*)l;
3866
3867 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Display Unit=%s",
3868 //                             uint8( vdmode ) == 0 ? "pixels" : ( uint8( vdmode ) == 1 ? "centimeters": "inches" ) );
3869 //                }
3870 //                else if( EbmlId( *l ) == KaxVideoAspectRatio::ClassInfos.GlobalId )
3871 //                {
3872 //                    KaxVideoAspectRatio &ratio = *(KaxVideoAspectRatio*)l;
3873
3874 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + Track Video Aspect Ratio Type=%u", uint8( ratio ) );
3875 //                }
3876 //                else if( EbmlId( *l ) == KaxVideoGamma::ClassInfos.GlobalId )
3877 //                {
3878 //                    KaxVideoGamma &gamma = *(KaxVideoGamma*)l;
3879
3880 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( gamma ) );
3881 //                }
3882                 else
3883                 {
3884                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
3885                 }
3886             }
3887             if ( tk->fmt.video.i_visible_height && tk->fmt.video.i_visible_width )
3888                 tk->fmt.video.i_aspect = VOUT_ASPECT_FACTOR * tk->fmt.video.i_visible_width / tk->fmt.video.i_visible_height;
3889         }
3890         else  if( MKV_IS_ID( l, KaxTrackAudio ) )
3891         {
3892             EbmlMaster *tka = static_cast<EbmlMaster*>(l);
3893             unsigned int j;
3894
3895             msg_Dbg( &sys.demuxer, "|   |   |   + Track Audio" );
3896
3897             for( j = 0; j < tka->ListSize(); j++ )
3898             {
3899                 EbmlElement *l = (*tka)[j];
3900
3901                 if( MKV_IS_ID( l, KaxAudioSamplingFreq ) )
3902                 {
3903                     KaxAudioSamplingFreq &afreq = *(KaxAudioSamplingFreq*)l;
3904
3905                     tk->fmt.audio.i_rate = (int)float( afreq );
3906                     msg_Dbg( &sys.demuxer, "|   |   |   |   + afreq=%d", tk->fmt.audio.i_rate );
3907                 }
3908                 else if( MKV_IS_ID( l, KaxAudioChannels ) )
3909                 {
3910                     KaxAudioChannels &achan = *(KaxAudioChannels*)l;
3911
3912                     tk->fmt.audio.i_channels = uint8( achan );
3913                     msg_Dbg( &sys.demuxer, "|   |   |   |   + achan=%u", uint8( achan ) );
3914                 }
3915                 else if( MKV_IS_ID( l, KaxAudioBitDepth ) )
3916                 {
3917                     KaxAudioBitDepth &abits = *(KaxAudioBitDepth*)l;
3918
3919                     tk->fmt.audio.i_bitspersample = uint8( abits );
3920                     msg_Dbg( &sys.demuxer, "|   |   |   |   + abits=%u", uint8( abits ) );
3921                 }
3922                 else
3923                 {
3924                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
3925                 }
3926             }
3927         }
3928         else
3929         {
3930             msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)",
3931                      typeid(*l).name() );
3932         }
3933     }
3934 }
3935
3936 /*****************************************************************************
3937  * ParseTracks:
3938  *****************************************************************************/
3939 void matroska_segment_c::ParseTracks( KaxTracks *tracks )
3940 {
3941     EbmlElement *el;
3942     unsigned int i;
3943     int i_upper_level = 0;
3944
3945     msg_Dbg( &sys.demuxer, "|   + Tracks" );
3946
3947     /* Master elements */
3948     tracks->Read( es, tracks->Generic().Context, i_upper_level, el, true );
3949
3950     for( i = 0; i < tracks->ListSize(); i++ )
3951     {
3952         EbmlElement *l = (*tracks)[i];
3953
3954         if( MKV_IS_ID( l, KaxTrackEntry ) )
3955         {
3956             ParseTrackEntry( static_cast<KaxTrackEntry *>(l) );
3957         }
3958         else
3959         {
3960             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
3961         }
3962     }
3963 }
3964
3965 /*****************************************************************************
3966  * ParseInfo:
3967  *****************************************************************************/
3968 void matroska_segment_c::ParseInfo( KaxInfo *info )
3969 {
3970     EbmlElement *el;
3971     EbmlMaster  *m;
3972     size_t i, j;
3973     int i_upper_level = 0;
3974
3975     msg_Dbg( &sys.demuxer, "|   + Information" );
3976
3977     /* Master elements */
3978     m = static_cast<EbmlMaster *>(info);
3979     m->Read( es, info->Generic().Context, i_upper_level, el, true );
3980
3981     for( i = 0; i < m->ListSize(); i++ )
3982     {
3983         EbmlElement *l = (*m)[i];
3984
3985         if( MKV_IS_ID( l, KaxSegmentUID ) )
3986         {
3987             segment_uid = *(new KaxSegmentUID(*static_cast<KaxSegmentUID*>(l)));
3988
3989             msg_Dbg( &sys.demuxer, "|   |   + UID=%d", *(uint32*)segment_uid.GetBuffer() );
3990         }
3991         else if( MKV_IS_ID( l, KaxPrevUID ) )
3992         {
3993             prev_segment_uid = *(new KaxPrevUID(*static_cast<KaxPrevUID*>(l)));
3994
3995             msg_Dbg( &sys.demuxer, "|   |   + PrevUID=%d", *(uint32*)prev_segment_uid.GetBuffer() );
3996         }
3997         else if( MKV_IS_ID( l, KaxNextUID ) )
3998         {
3999             next_segment_uid = *(new KaxNextUID(*static_cast<KaxNextUID*>(l)));
4000
4001             msg_Dbg( &sys.demuxer, "|   |   + NextUID=%d", *(uint32*)next_segment_uid.GetBuffer() );
4002         }
4003         else if( MKV_IS_ID( l, KaxTimecodeScale ) )
4004         {
4005             KaxTimecodeScale &tcs = *(KaxTimecodeScale*)l;
4006
4007             i_timescale = uint64(tcs);
4008
4009             msg_Dbg( &sys.demuxer, "|   |   + TimecodeScale="I64Fd,
4010                      i_timescale );
4011         }
4012         else if( MKV_IS_ID( l, KaxDuration ) )
4013         {
4014             KaxDuration &dur = *(KaxDuration*)l;
4015
4016             i_duration = mtime_t( double( dur ) );
4017
4018             msg_Dbg( &sys.demuxer, "|   |   + Duration="I64Fd,
4019                      i_duration );
4020         }
4021         else if( MKV_IS_ID( l, KaxMuxingApp ) )
4022         {
4023             KaxMuxingApp &mapp = *(KaxMuxingApp*)l;
4024
4025             psz_muxing_application = UTF8ToStr( UTFstring( mapp ) );
4026
4027             msg_Dbg( &sys.demuxer, "|   |   + Muxing Application=%s",
4028                      psz_muxing_application );
4029         }
4030         else if( MKV_IS_ID( l, KaxWritingApp ) )
4031         {
4032             KaxWritingApp &wapp = *(KaxWritingApp*)l;
4033
4034             psz_writing_application = UTF8ToStr( UTFstring( wapp ) );
4035
4036             msg_Dbg( &sys.demuxer, "|   |   + Writing Application=%s",
4037                      psz_writing_application );
4038         }
4039         else if( MKV_IS_ID( l, KaxSegmentFilename ) )
4040         {
4041             KaxSegmentFilename &sfn = *(KaxSegmentFilename*)l;
4042
4043             psz_segment_filename = UTF8ToStr( UTFstring( sfn ) );
4044
4045             msg_Dbg( &sys.demuxer, "|   |   + Segment Filename=%s",
4046                      psz_segment_filename );
4047         }
4048         else if( MKV_IS_ID( l, KaxTitle ) )
4049         {
4050             KaxTitle &title = *(KaxTitle*)l;
4051
4052             psz_title = UTF8ToStr( UTFstring( title ) );
4053
4054             msg_Dbg( &sys.demuxer, "|   |   + Title=%s", psz_title );
4055         }
4056         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
4057         {
4058             KaxSegmentFamily *uid = static_cast<KaxSegmentFamily*>(l);
4059
4060             families.push_back(*uid);
4061
4062             msg_Dbg( &sys.demuxer, "|   |   + family=%d", *(uint32*)uid->GetBuffer() );
4063         }
4064 #if defined( HAVE_GMTIME_R ) && !defined( SYS_DARWIN )
4065         else if( MKV_IS_ID( l, KaxDateUTC ) )
4066         {
4067             KaxDateUTC &date = *(KaxDateUTC*)l;
4068             time_t i_date;
4069             struct tm tmres;
4070             char   buffer[256];
4071
4072             i_date = date.GetEpochDate();
4073             memset( buffer, 0, 256 );
4074             if( gmtime_r( &i_date, &tmres ) &&
4075                 asctime_r( &tmres, buffer ) )
4076             {
4077                 buffer[strlen( buffer)-1]= '\0';
4078                 psz_date_utc = strdup( buffer );
4079                 msg_Dbg( &sys.demuxer, "|   |   + Date=%s", psz_date_utc );
4080             }
4081         }
4082 #endif
4083 #if LIBMATROSKA_VERSION >= 0x000704
4084         else if( MKV_IS_ID( l, KaxChapterTranslate ) )
4085         {
4086             KaxChapterTranslate *p_trans = static_cast<KaxChapterTranslate*>( l );
4087             chapter_translation_c translated;
4088
4089             p_trans->Read( es, p_trans->Generic().Context, i_upper_level, el, true );
4090             for( j = 0; j < p_trans->ListSize(); j++ )
4091             {
4092                 EbmlElement *l = (*p_trans)[j];
4093
4094                 if( MKV_IS_ID( l, KaxChapterTranslateEditionUID ) )
4095                 {
4096                     translated.editions.push_back( uint64( *static_cast<KaxChapterTranslateEditionUID*>( l ) ) );
4097                 }
4098                 else if( MKV_IS_ID( l, KaxChapterTranslateCodec ) )
4099                 {
4100                     translated.codec_id = uint32( *static_cast<KaxChapterTranslateCodec*>( l ) );
4101                 }
4102                 else if( MKV_IS_ID( l, KaxChapterTranslateID ) )
4103                 {
4104                     translated.translated = *( new KaxChapterTranslateID( *static_cast<KaxChapterTranslateID*>( l ) ) );
4105                 }
4106             }
4107
4108             translations.push_back( translated );
4109         }
4110 #endif
4111         else
4112         {
4113             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4114         }
4115     }
4116
4117     double f_dur = double(i_duration) * double(i_timescale) / 1000000.0;
4118     i_duration = mtime_t(f_dur);
4119 }
4120
4121
4122 /*****************************************************************************
4123  * ParseChapterAtom
4124  *****************************************************************************/
4125 void matroska_segment_c::ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters )
4126 {
4127     size_t i, j;
4128
4129     msg_Dbg( &sys.demuxer, "|   |   |   + ChapterAtom (level=%d)", i_level );
4130     for( i = 0; i < ca->ListSize(); i++ )
4131     {
4132         EbmlElement *l = (*ca)[i];
4133
4134         if( MKV_IS_ID( l, KaxChapterUID ) )
4135         {
4136             chapters.i_uid = uint64_t(*(KaxChapterUID*)l);
4137             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterUID: %lld", chapters.i_uid );
4138         }
4139         else if( MKV_IS_ID( l, KaxChapterFlagHidden ) )
4140         {
4141             KaxChapterFlagHidden &flag =*(KaxChapterFlagHidden*)l;
4142             chapters.b_display_seekpoint = uint8( flag ) == 0;
4143
4144             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterFlagHidden: %s", chapters.b_display_seekpoint ? "no":"yes" );
4145         }
4146         else if( MKV_IS_ID( l, KaxChapterTimeStart ) )
4147         {
4148             KaxChapterTimeStart &start =*(KaxChapterTimeStart*)l;
4149             chapters.i_start_time = uint64( start ) / I64C(1000);
4150
4151             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeStart: %lld", chapters.i_start_time );
4152         }
4153         else if( MKV_IS_ID( l, KaxChapterTimeEnd ) )
4154         {
4155             KaxChapterTimeEnd &end =*(KaxChapterTimeEnd*)l;
4156             chapters.i_end_time = uint64( end ) / I64C(1000);
4157
4158             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeEnd: %lld", chapters.i_end_time );
4159         }
4160         else if( MKV_IS_ID( l, KaxChapterDisplay ) )
4161         {
4162             EbmlMaster *cd = static_cast<EbmlMaster *>(l);
4163
4164             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterDisplay" );
4165             for( j = 0; j < cd->ListSize(); j++ )
4166             {
4167                 EbmlElement *l= (*cd)[j];
4168
4169                 if( MKV_IS_ID( l, KaxChapterString ) )
4170                 {
4171                     int k;
4172
4173                     KaxChapterString &name =*(KaxChapterString*)l;
4174                     for (k = 0; k < i_level; k++)
4175                         chapters.psz_name += '+';
4176                     chapters.psz_name += ' ';
4177                     chapters.psz_name += UTF8ToStr( UTFstring( name ) );
4178                     chapters.b_user_display = true;
4179
4180                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterString '%s'", UTF8ToStr(UTFstring(name)) );
4181                 }
4182                 else if( MKV_IS_ID( l, KaxChapterLanguage ) )
4183                 {
4184                     KaxChapterLanguage &lang =*(KaxChapterLanguage*)l;
4185                     const char *psz = string( lang ).c_str();
4186
4187                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterLanguage '%s'", psz );
4188                 }
4189                 else if( MKV_IS_ID( l, KaxChapterCountry ) )
4190                 {
4191                     KaxChapterCountry &ct =*(KaxChapterCountry*)l;
4192                     const char *psz = string( ct ).c_str();
4193
4194                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterCountry '%s'", psz );
4195                 }
4196             }
4197         }
4198         else if( MKV_IS_ID( l, KaxChapterProcess ) )
4199         {
4200             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterProcess" );
4201
4202             KaxChapterProcess *cp = static_cast<KaxChapterProcess *>(l);
4203             chapter_codec_cmds_c *p_ccodec = NULL;
4204
4205             for( j = 0; j < cp->ListSize(); j++ )
4206             {
4207                 EbmlElement *k= (*cp)[j];
4208
4209                 if( MKV_IS_ID( k, KaxChapterProcessCodecID ) )
4210                 {
4211                     KaxChapterProcessCodecID *p_codec_id = static_cast<KaxChapterProcessCodecID*>( k );
4212                     if ( uint32(*p_codec_id) == 0 )
4213                         p_ccodec = new matroska_script_codec_c( sys );
4214                     else if ( uint32(*p_codec_id) == 1 )
4215                         p_ccodec = new dvd_chapter_codec_c( sys );
4216                     break;
4217                 }
4218             }
4219
4220             if ( p_ccodec != NULL )
4221             {
4222                 for( j = 0; j < cp->ListSize(); j++ )
4223                 {
4224                     EbmlElement *k= (*cp)[j];
4225
4226                     if( MKV_IS_ID( k, KaxChapterProcessPrivate ) )
4227                     {
4228                         KaxChapterProcessPrivate * p_private = static_cast<KaxChapterProcessPrivate*>( k );
4229                         p_ccodec->SetPrivate( *p_private );
4230                     }
4231                     else if( MKV_IS_ID( k, KaxChapterProcessCommand ) )
4232                     {
4233                         p_ccodec->AddCommand( *static_cast<KaxChapterProcessCommand*>( k ) );
4234                     }
4235                 }
4236                 chapters.codecs.push_back( p_ccodec );
4237             }
4238         }
4239         else if( MKV_IS_ID( l, KaxChapterAtom ) )
4240         {
4241             chapter_item_c *new_sub_chapter = new chapter_item_c();
4242             ParseChapterAtom( i_level+1, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4243             new_sub_chapter->psz_parent = &chapters;
4244             chapters.sub_chapters.push_back( new_sub_chapter );
4245         }
4246     }
4247 }
4248
4249 /*****************************************************************************
4250  * ParseChapters:
4251  *****************************************************************************/
4252 void matroska_segment_c::ParseChapters( KaxChapters *chapters )
4253 {
4254     EbmlElement *el;
4255     size_t i;
4256     int i_upper_level = 0;
4257     mtime_t i_dur;
4258
4259     /* Master elements */
4260     chapters->Read( es, chapters->Generic().Context, i_upper_level, el, true );
4261
4262     for( i = 0; i < chapters->ListSize(); i++ )
4263     {
4264         EbmlElement *l = (*chapters)[i];
4265
4266         if( MKV_IS_ID( l, KaxEditionEntry ) )
4267         {
4268             chapter_edition_c *p_edition = new chapter_edition_c();
4269
4270             EbmlMaster *E = static_cast<EbmlMaster *>(l );
4271             size_t j;
4272             msg_Dbg( &sys.demuxer, "|   |   + EditionEntry" );
4273             for( j = 0; j < E->ListSize(); j++ )
4274             {
4275                 EbmlElement *l = (*E)[j];
4276
4277                 if( MKV_IS_ID( l, KaxChapterAtom ) )
4278                 {
4279                     chapter_item_c *new_sub_chapter = new chapter_item_c();
4280                     ParseChapterAtom( 0, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4281                     p_edition->sub_chapters.push_back( new_sub_chapter );
4282                 }
4283                 else if( MKV_IS_ID( l, KaxEditionUID ) )
4284                 {
4285                     p_edition->i_uid = uint64(*static_cast<KaxEditionUID *>( l ));
4286                 }
4287                 else if( MKV_IS_ID( l, KaxEditionFlagOrdered ) )
4288                 {
4289                     p_edition->b_ordered = config_GetInt( &sys.demuxer, "mkv-use-ordered-chapters" ) ? (uint8(*static_cast<KaxEditionFlagOrdered *>( l )) != 0) : 0;
4290                 }
4291                 else if( MKV_IS_ID( l, KaxEditionFlagDefault ) )
4292                 {
4293                     if (uint8(*static_cast<KaxEditionFlagDefault *>( l )) != 0)
4294                         i_default_edition = stored_editions.size();
4295                 }
4296                 else
4297                 {
4298                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
4299                 }
4300             }
4301             stored_editions.push_back( p_edition );
4302         }
4303         else
4304         {
4305             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4306         }
4307     }
4308
4309     for( i = 0; i < stored_editions.size(); i++ )
4310     {
4311         stored_editions[i]->RefreshChapters( );
4312     }
4313
4314     if ( stored_editions[i_default_edition]->b_ordered )
4315     {
4316         /* update the duration of the segment according to the sum of all sub chapters */
4317         i_dur = stored_editions[i_default_edition]->Duration() / I64C(1000);
4318         if (i_dur > 0)
4319             i_duration = i_dur;
4320     }
4321 }
4322
4323 void matroska_segment_c::ParseCluster( )
4324 {
4325     EbmlElement *el;
4326     EbmlMaster  *m;
4327     unsigned int i;
4328     int i_upper_level = 0;
4329
4330     /* Master elements */
4331     m = static_cast<EbmlMaster *>( cluster );
4332     m->Read( es, cluster->Generic().Context, i_upper_level, el, true );
4333
4334     for( i = 0; i < m->ListSize(); i++ )
4335     {
4336         EbmlElement *l = (*m)[i];
4337
4338         if( MKV_IS_ID( l, KaxClusterTimecode ) )
4339         {
4340             KaxClusterTimecode &ctc = *(KaxClusterTimecode*)l;
4341
4342             cluster->InitTimecode( uint64( ctc ), i_timescale );
4343             break;
4344         }
4345     }
4346
4347     i_start_time = cluster->GlobalTimecode() / 1000;
4348 }
4349
4350 /*****************************************************************************
4351  * InformationCreate:
4352  *****************************************************************************/
4353 void matroska_segment_c::InformationCreate( )
4354 {
4355     size_t      i_track;
4356
4357     sys.meta = vlc_meta_New();
4358
4359     if( psz_title )
4360     {
4361         vlc_meta_Add( sys.meta, VLC_META_TITLE, psz_title );
4362     }
4363     if( psz_date_utc )
4364     {
4365         vlc_meta_Add( sys.meta, VLC_META_DATE, psz_date_utc );
4366     }
4367     if( psz_segment_filename )
4368     {
4369         vlc_meta_Add( sys.meta, _("Segment filename"), psz_segment_filename );
4370     }
4371     if( psz_muxing_application )
4372     {
4373         vlc_meta_Add( sys.meta, _("Muxing application"), psz_muxing_application );
4374     }
4375     if( psz_writing_application )
4376     {
4377         vlc_meta_Add( sys.meta, _("Writing application"), psz_writing_application );
4378     }
4379
4380     for( i_track = 0; i_track < tracks.size(); i_track++ )
4381     {
4382         mkv_track_t *tk = tracks[i_track];
4383         vlc_meta_t *mtk = vlc_meta_New();
4384
4385         sys.meta->track = (vlc_meta_t**)realloc( sys.meta->track,
4386                                                     sizeof( vlc_meta_t * ) * ( sys.meta->i_track + 1 ) );
4387         sys.meta->track[sys.meta->i_track++] = mtk;
4388
4389         if( tk->fmt.psz_description )
4390         {
4391             vlc_meta_Add( sys.meta, VLC_META_DESCRIPTION, tk->fmt.psz_description );
4392         }
4393         if( tk->psz_codec_name )
4394         {
4395             vlc_meta_Add( sys.meta, VLC_META_CODEC_NAME, tk->psz_codec_name );
4396         }
4397         if( tk->psz_codec_settings )
4398         {
4399             vlc_meta_Add( sys.meta, VLC_META_SETTING, tk->psz_codec_settings );
4400         }
4401         if( tk->psz_codec_info_url )
4402         {
4403             vlc_meta_Add( sys.meta, VLC_META_CODEC_DESCRIPTION, tk->psz_codec_info_url );
4404         }
4405         if( tk->psz_codec_download_url )
4406         {
4407             vlc_meta_Add( sys.meta, VLC_META_URL, tk->psz_codec_download_url );
4408         }
4409     }
4410
4411     if( i_tags_position >= 0 )
4412     {
4413         vlc_bool_t b_seekable;
4414
4415         stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
4416         if( b_seekable )
4417         {
4418             LoadTags( );
4419         }
4420     }
4421 }
4422
4423
4424 /*****************************************************************************
4425  * Divers
4426  *****************************************************************************/
4427
4428 void matroska_segment_c::IndexAppendCluster( KaxCluster *cluster )
4429 {
4430 #define idx index[i_index]
4431     idx.i_track       = -1;
4432     idx.i_block_number= -1;
4433     idx.i_position    = cluster->GetElementPosition();
4434     idx.i_time        = -1;
4435     idx.b_key         = VLC_TRUE;
4436
4437     i_index++;
4438     if( i_index >= i_index_max )
4439     {
4440         i_index_max += 1024;
4441         index = (mkv_index_t*)realloc( index, sizeof( mkv_index_t ) * i_index_max );
4442     }
4443 #undef idx
4444 }
4445
4446 static char * UTF8ToStr( const UTFstring &u )
4447 {
4448     int     i_src;
4449     const wchar_t *src;
4450     char *dst, *p;
4451
4452     i_src = u.length();
4453     src   = u.c_str();
4454
4455     p = dst = (char*)malloc( i_src + 1);
4456     while( i_src > 0 )
4457     {
4458         if( *src < 255 )
4459         {
4460             *p++ = (char)*src;
4461         }
4462         else
4463         {
4464             *p++ = '?';
4465         }
4466         src++;
4467         i_src--;
4468     }
4469     *p++= '\0';
4470
4471     return dst;
4472 }
4473
4474 void chapter_edition_c::RefreshChapters( )
4475 {
4476     chapter_item_c::RefreshChapters( b_ordered, -1 );
4477     b_display_seekpoint = false;
4478 }
4479
4480 int64_t chapter_item_c::RefreshChapters( bool b_ordered, int64_t i_prev_user_time )
4481 {
4482     int64_t i_user_time = i_prev_user_time;
4483
4484     // first the sub-chapters, and then ourself
4485     std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
4486     while ( index != sub_chapters.end() )
4487     {
4488         i_user_time = (*index)->RefreshChapters( b_ordered, i_user_time );
4489         index++;
4490     }
4491
4492     if ( b_ordered )
4493     {
4494         // the ordered chapters always start at zero
4495         if ( i_prev_user_time == -1 )
4496         {
4497             if ( i_user_time == -1 )
4498                 i_user_time = 0;
4499             i_prev_user_time = 0;
4500         }
4501
4502         i_user_start_time = i_prev_user_time;
4503         if ( i_end_time != -1 && i_user_time == i_prev_user_time )
4504         {
4505             i_user_end_time = i_user_start_time - i_start_time + i_end_time;
4506         }
4507         else
4508         {
4509             i_user_end_time = i_user_time;
4510         }
4511     }
4512     else
4513     {
4514         std::sort( sub_chapters.begin(), sub_chapters.end() );
4515         i_user_start_time = i_start_time;
4516         if ( i_end_time != -1 )
4517             i_user_end_time = i_end_time;
4518         else if ( i_user_time != -1 )
4519             i_user_end_time = i_user_time;
4520         else
4521             i_user_end_time = i_user_start_time;
4522     }
4523
4524     return i_user_end_time;
4525 }
4526
4527 mtime_t chapter_edition_c::Duration() const
4528 {
4529     mtime_t i_result = 0;
4530
4531     if ( sub_chapters.size() )
4532     {
4533         std::vector<chapter_item_c*>::const_iterator index = sub_chapters.end();
4534         index--;
4535         i_result = (*index)->i_user_end_time;
4536     }
4537
4538     return i_result;
4539 }
4540
4541 chapter_item_c *chapter_item_c::FindTimecode( mtime_t i_user_timecode )
4542 {
4543     chapter_item_c *psz_result = NULL;
4544
4545     if ( i_user_timecode >= i_user_start_time &&
4546         ( i_user_timecode < i_user_end_time ||
4547           ( i_user_start_time == i_user_end_time && i_user_timecode == i_user_end_time )))
4548     {
4549         std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
4550         while ( index != sub_chapters.end() && psz_result == NULL )
4551         {
4552             psz_result = (*index)->FindTimecode( i_user_timecode );
4553             index++;
4554         }
4555
4556         if ( psz_result == NULL )
4557             psz_result = this;
4558     }
4559
4560     return psz_result;
4561 }
4562
4563 bool chapter_item_c::ParentOf( const chapter_item_c & item ) const
4564 {
4565     if ( &item == this )
4566         return true;
4567
4568     std::vector<chapter_item_c*>::const_iterator index = sub_chapters.begin();
4569     while ( index != sub_chapters.end() )
4570     {
4571         if ( (*index)->ParentOf( item ) )
4572             return true;
4573         index++;
4574     }
4575
4576     return false;
4577 }
4578
4579 void demux_sys_t::PreloadFamily( const matroska_segment_c & of_segment )
4580 {
4581     for (size_t i=0; i<opened_segments.size(); i++)
4582     {
4583         opened_segments[i]->PreloadFamily( of_segment );
4584     }
4585 }
4586 bool matroska_segment_c::PreloadFamily( const matroska_segment_c & of_segment )
4587 {
4588     if ( b_preloaded )
4589         return false;
4590
4591     for (size_t i=0; i<families.size(); i++)
4592     {
4593         for (size_t j=0; j<of_segment.families.size(); j++)
4594         {
4595             if ( families[i] == of_segment.families[j] )
4596                 return Preload( );
4597         }
4598     }
4599
4600     return false;
4601 }
4602
4603 // preload all the linked segments for all preloaded segments
4604 void demux_sys_t::PreloadLinked( matroska_segment_c *p_segment )
4605 {
4606     size_t i_preloaded, i, j;
4607     virtual_segment_c *p_seg;
4608
4609     p_current_segment = VirtualFromSegments( p_segment );
4610
4611     used_segments.push_back( p_current_segment );
4612
4613     // create all the other virtual segments of the family
4614     do {
4615         i_preloaded = 0;
4616         for ( i=0; i< opened_segments.size(); i++ )
4617         {
4618             if ( opened_segments[i]->b_preloaded && !IsUsedSegment( *opened_segments[i] ) )
4619             {
4620                 p_seg = VirtualFromSegments( opened_segments[i] );
4621                 used_segments.push_back( p_seg );
4622                 i_preloaded++;
4623             }
4624         }
4625     } while ( i_preloaded ); // worst case: will stop when all segments are found as family related
4626
4627     // publish all editions of all usable segment
4628     for ( i=0; i< used_segments.size(); i++ )
4629     {
4630         p_seg = used_segments[i];
4631         if ( p_seg->p_editions != NULL )
4632         {
4633             std::string sz_name;
4634             input_title_t *p_title = vlc_input_title_New();
4635             p_seg->i_sys_title = i;
4636             int i_chapters;
4637
4638             // TODO use a name for each edition, let the TITLE deal with a codec name
4639             for ( j=0; j<p_seg->p_editions->size(); j++ )
4640             {
4641                 if ( p_title->psz_name == NULL )
4642                 {
4643                     sz_name = (*p_seg->p_editions)[j]->GetMainName();
4644                     if ( sz_name != "" )
4645                         p_title->psz_name = strdup( sz_name.c_str() );
4646                 }
4647
4648                 chapter_edition_c *p_edition = (*p_seg->p_editions)[j];
4649
4650                 i_chapters = 0;
4651                 p_edition->PublishChapters( *p_title, i_chapters, 0 );
4652             }
4653
4654             // create a name if there is none
4655             if ( p_title->psz_name == NULL )
4656             {
4657                 sz_name = N_("Segment ");
4658                 char psz_str[6];
4659                 sprintf( psz_str, "%d", i );
4660                 sz_name += psz_str;
4661                 p_title->psz_name = strdup( sz_name.c_str() );
4662             }
4663
4664             titles.push_back( *p_title );
4665         }
4666     }
4667
4668     // TODO decide which segment should be first used (VMG for DVD)
4669 }
4670
4671 bool demux_sys_t::IsUsedSegment( matroska_segment_c &segment ) const
4672 {
4673     for ( size_t i=0; i< used_segments.size(); i++ )
4674     {
4675         if ( used_segments[i]->FindUID( segment.segment_uid ) )
4676             return true;
4677     }
4678     return false;
4679 }
4680
4681 virtual_segment_c *demux_sys_t::VirtualFromSegments( matroska_segment_c *p_segment ) const
4682 {
4683     size_t i_preloaded, i;
4684
4685     virtual_segment_c *p_result = new virtual_segment_c( p_segment );
4686
4687     // fill our current virtual segment with all hard linked segments
4688     do {
4689         i_preloaded = 0;
4690         for ( i=0; i< opened_segments.size(); i++ )
4691         {
4692             i_preloaded += p_result->AddSegment( opened_segments[i] );
4693         }
4694     } while ( i_preloaded ); // worst case: will stop when all segments are found as linked
4695
4696     p_result->Sort( );
4697
4698     p_result->PreloadLinked( );
4699
4700     p_result->PrepareChapters( );
4701
4702     return p_result;
4703 }
4704
4705 bool demux_sys_t::PreparePlayback( virtual_segment_c *p_new_segment )
4706 {
4707     if ( p_new_segment != NULL && p_new_segment != p_current_segment )
4708     {
4709         if ( p_current_segment != NULL && p_current_segment->Segment() != NULL )
4710             p_current_segment->Segment()->UnSelect();
4711
4712         p_current_segment = p_new_segment;
4713         i_current_title = p_new_segment->i_sys_title;
4714     }
4715
4716     p_current_segment->LoadCues();
4717     f_duration = p_current_segment->Duration();
4718
4719     /* add information */
4720     p_current_segment->Segment()->InformationCreate( );
4721
4722     p_current_segment->Segment()->Select( 0 );
4723
4724     return true;
4725 }
4726
4727 bool matroska_segment_c::CompareSegmentUIDs( const matroska_segment_c * p_item_a, const matroska_segment_c * p_item_b )
4728 {
4729     EbmlBinary * p_itema = (EbmlBinary *)(&p_item_a->segment_uid);
4730     if ( *p_itema == p_item_b->prev_segment_uid )
4731         return true;
4732
4733     p_itema = (EbmlBinary *)(&p_item_a->next_segment_uid);
4734     if ( *p_itema == p_item_b->segment_uid )
4735         return true;
4736
4737     if ( *p_itema == p_item_b->prev_segment_uid )
4738         return true;
4739
4740     return false;
4741 }
4742
4743 bool matroska_segment_c::Preload( )
4744 {
4745     if ( b_preloaded )
4746         return false;
4747
4748     EbmlElement *el = NULL;
4749
4750     ep->Reset( &sys.demuxer );
4751
4752     while( ( el = ep->Get() ) != NULL )
4753     {
4754         if( MKV_IS_ID( el, KaxInfo ) )
4755         {
4756             ParseInfo( static_cast<KaxInfo*>( el ) );
4757         }
4758         else if( MKV_IS_ID( el, KaxTracks ) )
4759         {
4760             ParseTracks( static_cast<KaxTracks*>( el ) );
4761         }
4762         else if( MKV_IS_ID( el, KaxSeekHead ) )
4763         {
4764             ParseSeekHead( static_cast<KaxSeekHead*>( el ) );
4765         }
4766         else if( MKV_IS_ID( el, KaxCues ) )
4767         {
4768             msg_Dbg( &sys.demuxer, "|   + Cues" );
4769         }
4770         else if( MKV_IS_ID( el, KaxCluster ) )
4771         {
4772             msg_Dbg( &sys.demuxer, "|   + Cluster" );
4773
4774             cluster = (KaxCluster*)el;
4775
4776             i_start_pos = cluster->GetElementPosition();
4777             ParseCluster( );
4778
4779             ep->Down();
4780             /* stop parsing the stream */
4781             break;
4782         }
4783         else if( MKV_IS_ID( el, KaxAttachments ) )
4784         {
4785             msg_Dbg( &sys.demuxer, "|   + Attachments FIXME (but probably never supported)" );
4786         }
4787         else if( MKV_IS_ID( el, KaxChapters ) )
4788         {
4789             msg_Dbg( &sys.demuxer, "|   + Chapters" );
4790             ParseChapters( static_cast<KaxChapters*>( el ) );
4791         }
4792         else if( MKV_IS_ID( el, KaxTag ) )
4793         {
4794             msg_Dbg( &sys.demuxer, "|   + Tags FIXME TODO" );
4795         }
4796         else
4797         {
4798             msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid(*el).name() );
4799         }
4800     }
4801
4802     b_preloaded = true;
4803
4804     return true;
4805 }
4806
4807 matroska_segment_c *demux_sys_t::FindSegment( const EbmlBinary & uid ) const
4808 {
4809     for (size_t i=0; i<opened_segments.size(); i++)
4810     {
4811         if ( opened_segments[i]->segment_uid == uid )
4812             return opened_segments[i];
4813     }
4814     return NULL;
4815 }
4816
4817 chapter_item_c *demux_sys_t::BrowseCodecPrivate( unsigned int codec_id,
4818                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
4819                                         const void *p_cookie,
4820                                         size_t i_cookie_size,
4821                                         virtual_segment_c * &p_segment_found )
4822 {
4823     chapter_item_c *p_result = NULL;
4824     for (size_t i=0; i<used_segments.size(); i++)
4825     {
4826         p_result = used_segments[i]->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
4827         if ( p_result != NULL )
4828         {
4829             p_segment_found = used_segments[i];
4830             break;
4831         }
4832     }
4833     return p_result;
4834 }
4835
4836 chapter_item_c *demux_sys_t::FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found )
4837 {
4838     chapter_item_c *p_result = NULL;
4839     for (size_t i=0; i<used_segments.size(); i++)
4840     {
4841         p_result = used_segments[i]->FindChapter( i_find_uid );
4842         if ( p_result != NULL )
4843         {
4844             p_segment_found = used_segments[i];
4845             break;
4846         }
4847     }
4848     return p_result;
4849 }
4850
4851 void virtual_segment_c::Sort()
4852 {
4853     // keep the current segment index
4854     matroska_segment_c *p_segment = linked_segments[i_current_segment];
4855
4856     std::sort( linked_segments.begin(), linked_segments.end(), matroska_segment_c::CompareSegmentUIDs );
4857
4858     for ( i_current_segment=0; i_current_segment<linked_segments.size(); i_current_segment++)
4859         if ( linked_segments[i_current_segment] == p_segment )
4860             break;
4861 }
4862
4863 size_t virtual_segment_c::AddSegment( matroska_segment_c *p_segment )
4864 {
4865     size_t i;
4866     // check if it's not already in here
4867     for ( i=0; i<linked_segments.size(); i++ )
4868     {
4869         if ( p_segment->segment_uid == linked_segments[i]->segment_uid )
4870             return 0;
4871     }
4872
4873     // find possible mates
4874     for ( i=0; i<linked_uids.size(); i++ )
4875     {
4876         if (   p_segment->segment_uid == linked_uids[i]
4877             || p_segment->prev_segment_uid == linked_uids[i]
4878             || p_segment->next_segment_uid == linked_uids[i] )
4879         {
4880             linked_segments.push_back( p_segment );
4881
4882             AppendUID( p_segment->prev_segment_uid );
4883             AppendUID( p_segment->next_segment_uid );
4884
4885             return 1;
4886         }
4887     }
4888     return 0;
4889 }
4890
4891 void virtual_segment_c::PreloadLinked( )
4892 {
4893     for ( size_t i=0; i<linked_segments.size(); i++ )
4894     {
4895         linked_segments[i]->Preload( );
4896     }
4897     i_current_edition = linked_segments[0]->i_default_edition;
4898 }
4899
4900 mtime_t virtual_segment_c::Duration() const
4901 {
4902     mtime_t i_duration;
4903     if ( linked_segments.size() == 0 )
4904         i_duration = 0;
4905     else {
4906         matroska_segment_c *p_last_segment = linked_segments[linked_segments.size()-1];
4907 //        p_last_segment->ParseCluster( );
4908
4909         i_duration = p_last_segment->i_start_time / 1000 + p_last_segment->i_duration;
4910     }
4911     return i_duration;
4912 }
4913
4914 void virtual_segment_c::LoadCues( )
4915 {
4916     for ( size_t i=0; i<linked_segments.size(); i++ )
4917     {
4918         linked_segments[i]->LoadCues();
4919     }
4920 }
4921
4922 void virtual_segment_c::AppendUID( const EbmlBinary & UID )
4923 {
4924     if ( UID.GetBuffer() == NULL )
4925         return;
4926
4927     for (size_t i=0; i<linked_uids.size(); i++)
4928     {
4929         if ( UID == linked_uids[i] )
4930             return;
4931     }
4932     linked_uids.push_back( *(KaxSegmentUID*)(&UID) );
4933 }
4934
4935 void matroska_segment_c::Seek( mtime_t i_date, mtime_t i_time_offset )
4936 {
4937     KaxBlock    *block;
4938     int         i_track_skipping;
4939     int64_t     i_block_duration;
4940     int64_t     i_block_ref1;
4941     int64_t     i_block_ref2;
4942     size_t      i_track;
4943     int64_t     i_seek_position = i_start_pos;
4944     int64_t     i_seek_time = i_start_time;
4945
4946     if ( i_index > 0 )
4947     {
4948         int i_idx = 0;
4949
4950         for( ; i_idx < i_index; i_idx++ )
4951         {
4952             if( index[i_idx].i_time + i_time_offset > i_date )
4953             {
4954                 break;
4955             }
4956         }
4957
4958         if( i_idx > 0 )
4959         {
4960             i_idx--;
4961         }
4962
4963         i_seek_position = index[i_idx].i_position;
4964         i_seek_time = index[i_idx].i_time;
4965     }
4966
4967     msg_Dbg( &sys.demuxer, "seek got "I64Fd" (%d%%)",
4968                 i_seek_time, (int)( 100 * i_seek_position / stream_Size( sys.demuxer.s ) ) );
4969
4970     es.I_O().setFilePointer( i_seek_position, seek_beginning );
4971
4972     delete ep;
4973     ep = new EbmlParser( &es, segment, &sys.demuxer );
4974     cluster = NULL;
4975
4976     sys.i_start_pts = i_date;
4977
4978     es_out_Control( sys.demuxer.out, ES_OUT_RESET_PCR );
4979
4980     /* now parse until key frame */
4981     i_track_skipping = 0;
4982     for( i_track = 0; i_track < tracks.size(); i_track++ )
4983     {
4984         if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
4985         {
4986             tracks[i_track]->b_search_keyframe = VLC_TRUE;
4987             i_track_skipping++;
4988         }
4989         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_date );
4990     }
4991
4992
4993     while( i_track_skipping > 0 )
4994     {
4995         if( BlockGet( &block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
4996         {
4997             msg_Warn( &sys.demuxer, "cannot get block EOF?" );
4998
4999             return;
5000         }
5001
5002         for( i_track = 0; i_track < tracks.size(); i_track++ )
5003         {
5004             if( tracks[i_track]->i_number == block->TrackNum() )
5005             {
5006                 break;
5007             }
5008         }
5009
5010         sys.i_pts = sys.i_chapter_time + block->GlobalTimecode() / (mtime_t) 1000;
5011
5012         if( i_track < tracks.size() )
5013         {
5014             if( sys.i_pts >= sys.i_start_pts )
5015             {
5016                 BlockDecode( &sys.demuxer, block, sys.i_pts, 0 );
5017                 i_track_skipping = 0;
5018             }
5019             else if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5020             {
5021                 if( i_block_ref1 == -1 && tracks[i_track]->b_search_keyframe )
5022                 {
5023                     tracks[i_track]->b_search_keyframe = VLC_FALSE;
5024                     i_track_skipping--;
5025                 }
5026                 if( !tracks[i_track]->b_search_keyframe )
5027                 {
5028                     BlockDecode( &sys.demuxer, block, sys.i_pts, 0 );
5029                 }
5030             }
5031         }
5032
5033         delete block;
5034     }
5035 }
5036
5037 void virtual_segment_c::Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter )
5038 {
5039     demux_sys_t *p_sys = demuxer.p_sys;
5040     size_t i;
5041
5042     // find the actual time for an ordered edition
5043     if ( psz_chapter == NULL )
5044     {
5045         if ( Edition() && Edition()->b_ordered )
5046         {
5047             /* 1st, we need to know in which chapter we are */
5048             psz_chapter = (*p_editions)[i_current_edition]->FindTimecode( i_date );
5049         }
5050     }
5051
5052     if ( psz_chapter != NULL )
5053     {
5054         psz_current_chapter = psz_chapter;
5055         p_sys->i_chapter_time = i_time_offset = psz_chapter->i_user_start_time - psz_chapter->i_start_time;
5056         if ( psz_chapter->i_seekpoint_num > 0 )
5057         {
5058             demuxer.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
5059             demuxer.info.i_title = p_sys->i_current_title = i_sys_title;
5060             demuxer.info.i_seekpoint = psz_chapter->i_seekpoint_num - 1;
5061         }
5062     }
5063
5064     // find the best matching segment
5065     for ( i=0; i<linked_segments.size(); i++ )
5066     {
5067         if ( i_date < linked_segments[i]->i_start_time )
5068             break;
5069     }
5070
5071     if ( i > 0 )
5072         i--;
5073
5074     if ( i_current_segment != i  )
5075     {
5076         linked_segments[i_current_segment]->UnSelect();
5077         linked_segments[i]->Select( i_date );
5078         i_current_segment = i;
5079     }
5080
5081     linked_segments[i]->Seek( i_date, i_time_offset );
5082 }
5083
5084 void chapter_codec_cmds_c::AddCommand( const KaxChapterProcessCommand & command )
5085 {
5086     size_t i;
5087
5088     uint32 codec_time = uint32(-1);
5089     for( i = 0; i < command.ListSize(); i++ )
5090     {
5091         const EbmlElement *k = command[i];
5092
5093         if( MKV_IS_ID( k, KaxChapterProcessTime ) )
5094         {
5095             codec_time = uint32( *static_cast<const KaxChapterProcessTime*>( k ) );
5096             break;
5097         }
5098     }
5099
5100     for( i = 0; i < command.ListSize(); i++ )
5101     {
5102         const EbmlElement *k = command[i];
5103
5104         if( MKV_IS_ID( k, KaxChapterProcessData ) )
5105         {
5106             KaxChapterProcessData *p_data =  new KaxChapterProcessData( *static_cast<const KaxChapterProcessData*>( k ) );
5107             switch ( codec_time )
5108             {
5109             case 0:
5110                 during_cmds.push_back( *p_data );
5111                 break;
5112             case 1:
5113                 enter_cmds.push_back( *p_data );
5114                 break;
5115             case 2:
5116                 leave_cmds.push_back( *p_data );
5117                 break;
5118             default:
5119                 delete p_data;
5120             }
5121         }
5122     }
5123 }
5124
5125 bool chapter_item_c::Enter( bool b_do_subs )
5126 {
5127     bool f_result = false;
5128     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5129     while ( index != codecs.end() )
5130     {
5131         f_result |= (*index)->Enter();
5132         index++;
5133     }
5134
5135     if ( b_do_subs )
5136     {
5137         // sub chapters
5138         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5139         while ( index_ != sub_chapters.end() )
5140         {
5141             f_result |= (*index_)->Enter( true );
5142             index_++;
5143         }
5144     }
5145     return f_result;
5146 }
5147
5148 bool chapter_item_c::Leave( bool b_do_subs )
5149 {
5150     bool f_result = false;
5151     b_is_leaving = true;
5152     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5153     while ( index != codecs.end() )
5154     {
5155         f_result |= (*index)->Leave();
5156         index++;
5157     }
5158
5159     if ( b_do_subs )
5160     {
5161         // sub chapters
5162         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5163         while ( index_ != sub_chapters.end() )
5164         {
5165             f_result |= (*index_)->Leave( true );
5166             index_++;
5167         }
5168     }
5169     b_is_leaving = false;
5170     return f_result;
5171 }
5172
5173 bool chapter_item_c::EnterAndLeave( chapter_item_c *p_item )
5174 {
5175     chapter_item_c *p_common_parent = p_item;
5176
5177     // leave, up to a common parent
5178     while ( p_common_parent != NULL && !p_common_parent->ParentOf( *this ) )
5179     {
5180         if ( !p_common_parent->b_is_leaving && p_common_parent->Leave( false ) )
5181             return true;
5182         p_common_parent = p_common_parent->psz_parent;
5183     }
5184
5185     // enter from the parent to <this>
5186     if ( p_common_parent != NULL )
5187     {
5188         do
5189         {
5190             if ( p_common_parent == this )
5191                 return Enter( true );
5192
5193             for ( size_t i = 0; i<p_common_parent->sub_chapters.size(); i++ )
5194             {
5195                 if ( p_common_parent->sub_chapters[i]->ParentOf( *this ) )
5196                 {
5197                     p_common_parent = p_common_parent->sub_chapters[i];
5198                     if ( p_common_parent != this )
5199                         if ( p_common_parent->Enter( false ) )
5200                             return true;
5201
5202                     break;
5203                 }
5204             }
5205         } while ( 1 );
5206     }
5207
5208     return Enter( true );
5209 }
5210
5211 bool dvd_chapter_codec_c::Enter()
5212 {
5213     bool f_result = false;
5214     std::vector<KaxChapterProcessData>::iterator index = enter_cmds.begin();
5215     while ( index != enter_cmds.end() )
5216     {
5217         if ( (*index).GetSize() )
5218         {
5219             binary *p_data = (*index).GetBuffer();
5220             size_t i_size = *p_data++;
5221             // avoid reading too much from the buffer
5222             i_size = min( i_size, ((*index).GetSize() - 1) >> 3 );
5223             for ( ; i_size > 0; i_size--, p_data += 8 )
5224             {
5225                 msg_Dbg( &sys.demuxer, "Matroska DVD enter command" );
5226                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5227             }
5228         }
5229         index++;
5230     }
5231     return f_result;
5232 }
5233
5234 bool dvd_chapter_codec_c::Leave()
5235 {
5236     bool f_result = false;
5237     std::vector<KaxChapterProcessData>::iterator index = leave_cmds.begin();
5238     while ( index != leave_cmds.end() )
5239     {
5240         if ( (*index).GetSize() )
5241         {
5242             binary *p_data = (*index).GetBuffer();
5243             size_t i_size = *p_data++;
5244             // avoid reading too much from the buffer
5245             i_size = min( i_size, ((*index).GetSize() - 1) >> 3 );
5246             for ( ; i_size > 0; i_size--, p_data += 8 )
5247             {
5248                 msg_Dbg( &sys.demuxer, "Matroska DVD leave command" );
5249                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5250             }
5251         }
5252         index++;
5253     }
5254     return f_result;
5255 }
5256
5257 // see http://www.dvd-replica.com/DVD/vmcmdset.php for a description of DVD commands
5258 bool dvd_command_interpretor_c::Interpret( const binary * p_command, size_t i_size )
5259 {
5260     if ( i_size != 8 )
5261         return false;
5262
5263     virtual_segment_c *p_segment;
5264     chapter_item_c *p_chapter;
5265     bool f_result = false;
5266     uint16 i_command = ( p_command[0] << 8 ) + p_command[1];
5267
5268     // handle register tests if there are some
5269     if ( (i_command & 0xF0) != 0 )
5270     {
5271         bool b_test_positive = (i_command & CMD_DVD_IF_NOT) == 0;
5272         bool b_test_value    = (i_command & CMD_DVD_TEST_VALUE) != 0;
5273         uint8 i_test = i_command & 0x70;
5274         uint16 i_value;
5275
5276         if ( b_test_value )
5277             i_value = ( p_command[4] << 8 ) + p_command[5];
5278         else
5279             i_value = GetPRM( p_command[7] );
5280
5281         switch ( i_test )
5282         {
5283         case CMD_DVD_IF_GPREG_EQUAL:
5284             // if equals
5285             msg_Dbg( &sys.demuxer, "IF %s EQUALS %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5286             if (!( GetPRM( p_command[3] ) == i_value ))
5287             {
5288                 b_test_positive = !b_test_positive;
5289             }
5290             break;
5291         case CMD_DVD_IF_GPREG_INF:
5292             // if inferior
5293             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5294             if (!( GetPRM( p_command[3] ) < i_value ))
5295             {
5296                 b_test_positive = !b_test_positive;
5297             }
5298             break;
5299         case CMD_DVD_IF_GPREG_AND:
5300             // if logical and
5301             msg_Dbg( &sys.demuxer, "IF %s & %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5302             if (!( GetPRM( p_command[3] ) & i_value ))
5303             {
5304                 b_test_positive = !b_test_positive;
5305             }
5306             break;
5307         case CMD_DVD_IF_GPREG_SUP_EQUAL:
5308             // if superior or equal
5309             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5310             if (!( GetPRM( p_command[3] ) >= i_value ))
5311             {
5312                 b_test_positive = !b_test_positive;
5313             }
5314             break;
5315         }
5316
5317         if ( !b_test_positive )
5318             return false;
5319     }
5320
5321     // strip the test command
5322     i_command &= 0xFF0F;
5323
5324     switch ( i_command )
5325     {
5326     case CMD_DVD_NOP:
5327     case CMD_DVD_NOP2:
5328         {
5329             msg_Dbg( &sys.demuxer, "NOP" );
5330             break;
5331         }
5332     case CMD_DVD_BREAK:
5333         {
5334             msg_Dbg( &sys.demuxer, "Break" );
5335             // TODO
5336             break;
5337         }
5338     case CMD_DVD_JUMP_TT:
5339         {
5340             uint8 i_title = p_command[5];
5341             msg_Dbg( &sys.demuxer, "JumpTT %d", i_title );
5342
5343             // find in the ChapProcessPrivate matching this Title level
5344             p_chapter = sys.BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title), p_segment );
5345             if ( p_chapter != NULL )
5346             {
5347                 // if the segment is not part of the current segment, select the new one
5348                 if ( p_segment != sys.p_current_segment )
5349                 {
5350                     sys.PreparePlayback( p_segment );
5351                 }
5352
5353                 // jump to the location in the found segment
5354                 p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, NULL );
5355                 p_chapter->Enter( true );
5356
5357                 f_result = true;
5358             }
5359
5360             break;
5361         }
5362     case CMD_DVD_CALLSS_VTSM1:
5363         {
5364             msg_Dbg( &sys.demuxer, "CallSS VTSM" );
5365             switch( (p_command[6] & 0xC0) >> 6 ) {
5366                 case 0:
5367                     switch ( p_command[5] )
5368                     {
5369                     case 0x00:
5370                         msg_Dbg( &sys.demuxer, "CallSS PGC (rsm_cell %x)", p_command[5]);
5371                         break;
5372                     case 0x82:
5373                         msg_Dbg( &sys.demuxer, "CallSS Title Entry (rsm_cell %x)", p_command[5]);
5374                         break;
5375                     case 0x83:
5376                         msg_Dbg( &sys.demuxer, "CallSS Root Menu (rsm_cell %x)", p_command[5]);
5377                         break;
5378                     case 0x84:
5379                         msg_Dbg( &sys.demuxer, "CallSS Subpicture Menu (rsm_cell %x)", p_command[5]);
5380                         break;
5381                     case 0x85:
5382                         msg_Dbg( &sys.demuxer, "CallSS Audio Menu (rsm_cell %x)", p_command[5]);
5383                         break;
5384                     case 0x86:
5385                         msg_Dbg( &sys.demuxer, "CallSS Angle Menu (rsm_cell %x)", p_command[5]);
5386                         break;
5387                     case 0x87:
5388                         msg_Dbg( &sys.demuxer, "CallSS Chapter Menu (rsm_cell %x)", p_command[5]);
5389                         break;
5390                     default:
5391                         msg_Dbg( &sys.demuxer, "CallSS <unknown> (rsm_cell %x)", p_command[5]);
5392                         break;
5393                     }
5394                     p_chapter = sys.BrowseCodecPrivate( 1, MatchPgcType, &p_command[5], 1, p_segment );
5395                     if ( p_chapter != NULL )
5396                     {
5397                         // if the segment is not part of the current segment, select the new one
5398                         if ( p_segment != sys.p_current_segment )
5399                         {
5400                             sys.PreparePlayback( p_segment );
5401                         }
5402
5403                         p_chapter->Enter( true );
5404
5405                         // jump to the location in the found segment
5406                         p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5407                         f_result = true;
5408                     }
5409                 break;
5410                 case 1:
5411                     msg_Dbg( &sys.demuxer, "CallSS VMGM (menu %d, rsm_cell %x)", p_command[6] & 0x0F, p_command[5]);
5412                 break;
5413                 case 2:
5414                     msg_Dbg( &sys.demuxer, "CallSS VTSM (menu %d, rsm_cell %x)", p_command[6] & 0x0F, p_command[5]);
5415                 break;
5416                 case 3:
5417                     msg_Dbg( &sys.demuxer, "CallSS VMGM (pgc %d, rsm_cell %x)", (p_command[3] << 8) + p_command[4], p_command[5]);
5418                 break;
5419             }
5420             break;
5421         }
5422     case CMD_DVD_SET_GPRMMD:
5423         {
5424             msg_Dbg( &sys.demuxer, "Set GPRMMD [%d]=%d", (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3]);
5425
5426             if ( !SetGPRM( (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3] ) )
5427                 msg_Dbg( &sys.demuxer, "Set GPRMMD failed" );
5428             break;
5429         }
5430     case CMD_DVD_LINKPGCN:
5431         {
5432             uint16 i_pgcn = (p_command[6] << 8) + p_command[7];
5433
5434             msg_Dbg( &sys.demuxer, "Link PGCN(%d)", i_pgcn );
5435             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchPgcNumber, &i_pgcn, 2 );
5436             if ( p_chapter != NULL )
5437             {
5438                 p_chapter->Enter( true );
5439
5440                 // jump to the location in the found segment
5441                 sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5442                 f_result = true;
5443             }
5444             break;
5445         }
5446     case CMD_DVD_LINKCN:
5447         {
5448             uint8 i_cn = p_command[7];
5449
5450             p_chapter = sys.p_current_segment->CurrentChapter();
5451
5452             msg_Dbg( &sys.demuxer, "LinkCN (cell %d)", i_cn );
5453             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchCellNumber, &i_cn, 1 );
5454             if ( p_chapter != NULL )
5455             {
5456                 p_chapter->Enter( true );
5457
5458                 // jump to the location in the found segment
5459                 sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5460                 f_result = true;
5461             }
5462             break;
5463         }
5464     case CMD_DVD_GOTO_LINE:
5465         {
5466             msg_Dbg( &sys.demuxer, "GotoLine (%d)", (p_command[6] << 8) + p_command[7] );
5467             // TODO
5468             break;
5469         }
5470     default:
5471         {
5472             msg_Dbg( &sys.demuxer, "unsupported command : %02X %02X %02X %02X %02X %02X %02X %02X"
5473                      ,p_command[0]
5474                      ,p_command[1]
5475                      ,p_command[2]
5476                      ,p_command[3]
5477                      ,p_command[4]
5478                      ,p_command[5]
5479                      ,p_command[6]
5480                      ,p_command[7]);
5481             break;
5482         }
5483     }
5484
5485     return f_result;
5486 }
5487
5488 bool dvd_command_interpretor_c::MatchTitleNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5489 {
5490     if ( i_cookie_size != 1 || data.m_private_data.GetSize() < 4 )
5491         return false;
5492
5493     if ( data.m_private_data.GetBuffer()[0] != MATROSKA_DVD_LEVEL_TT )
5494         return false;
5495
5496     uint16 i_gtitle = (data.m_private_data.GetBuffer()[1] << 8 ) + data.m_private_data.GetBuffer()[2];
5497     uint8 i_title = *(uint8*)p_cookie;
5498
5499     return (i_gtitle == i_title);
5500 }
5501
5502 bool dvd_command_interpretor_c::MatchPgcType( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5503 {
5504     if ( i_cookie_size != 1 || data.m_private_data.GetSize() < 8 )
5505         return false;
5506
5507     if ( data.m_private_data.GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
5508         return false;
5509
5510     uint8 i_pgc_type = data.m_private_data.GetBuffer()[3];
5511     uint8 i_pgc = *(uint8*)p_cookie;
5512
5513     return (i_pgc_type == i_pgc);
5514 }
5515
5516 bool dvd_command_interpretor_c::MatchPgcNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5517 {
5518     if ( i_cookie_size != 2 || data.m_private_data.GetSize() < 8 )
5519         return false;
5520
5521     if ( data.m_private_data.GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
5522         return false;
5523
5524     uint16 *i_pgc_n = (uint16 *)p_cookie;
5525     uint16 i_pgc_num = (data.m_private_data.GetBuffer()[1] << 8) + data.m_private_data.GetBuffer()[2];
5526
5527     return (i_pgc_num == *i_pgc_n);
5528 }
5529
5530 bool dvd_command_interpretor_c::MatchCellNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5531 {
5532     if ( i_cookie_size != 1 || data.m_private_data.GetSize() < 5 )
5533         return false;
5534
5535     if ( data.m_private_data.GetBuffer()[0] != MATROSKA_DVD_LEVEL_CN )
5536         return false;
5537
5538     uint8 *i_cell_n = (uint8 *)p_cookie;
5539     uint8 i_cell_num = data.m_private_data.GetBuffer()[3];
5540
5541     return (i_cell_num == *i_cell_n);
5542 }
5543
5544 bool matroska_script_codec_c::Enter()
5545 {
5546     bool f_result = false;
5547     std::vector<KaxChapterProcessData>::iterator index = enter_cmds.begin();
5548     while ( index != enter_cmds.end() )
5549     {
5550         if ( (*index).GetSize() )
5551         {
5552             msg_Dbg( &sys.demuxer, "Matroska Script enter command" );
5553             f_result |= interpretor.Interpret( (*index).GetBuffer(), (*index).GetSize() );
5554         }
5555         index++;
5556     }
5557     return f_result;
5558 }
5559
5560 bool matroska_script_codec_c::Leave()
5561 {
5562     bool f_result = false;
5563     std::vector<KaxChapterProcessData>::iterator index = leave_cmds.begin();
5564     while ( index != leave_cmds.end() )
5565     {
5566         if ( (*index).GetSize() )
5567         {
5568             msg_Dbg( &sys.demuxer, "Matroska Script leave command" );
5569             f_result |= interpretor.Interpret( (*index).GetBuffer(), (*index).GetSize() );
5570         }
5571         index++;
5572     }
5573     return f_result;
5574 }
5575
5576 // see http://www.matroska.org/technical/specs/chapters/index.html#mscript
5577 //  for a description of existing commands
5578 bool matroska_script_interpretor_c::Interpret( const binary * p_command, size_t i_size )
5579 {
5580     bool b_result = false;
5581
5582     char *psz_str = (char*) malloc( i_size + 1 );
5583     memcpy( psz_str, p_command, i_size );
5584     psz_str[ i_size ] = '\0';
5585
5586     std::string sz_command = psz_str;
5587     free( psz_str );
5588
5589     msg_Dbg( &sys.demuxer, "command : %s", sz_command.c_str() );
5590
5591     if ( sz_command.compare( 0, CMD_MS_GOTO_AND_PLAY.size(), CMD_MS_GOTO_AND_PLAY ) == 0 )
5592     {
5593         size_t i,j;
5594
5595         // find the (
5596         for ( i=CMD_MS_GOTO_AND_PLAY.size(); i<sz_command.size(); i++)
5597         {
5598             if ( sz_command[i] == '(' )
5599             {
5600                 i++;
5601                 break;
5602             }
5603         }
5604         // find the )
5605         for ( j=i; j<sz_command.size(); j++)
5606         {
5607             if ( sz_command[j] == ')' )
5608             {
5609                 i--;
5610                 break;
5611             }
5612         }
5613
5614         std::string st = sz_command.substr( i+1, j-i-1 );
5615         int64_t i_chapter_uid = atoi( st.c_str() );
5616
5617         virtual_segment_c *p_segment;
5618         chapter_item_c *p_chapter = sys.FindChapter( i_chapter_uid, p_segment );
5619
5620         if ( p_chapter == NULL )
5621             msg_Dbg( &sys.demuxer, "Chapter "I64Fd" not found", i_chapter_uid);
5622         else
5623         {
5624             if ( !p_chapter->EnterAndLeave( sys.p_current_segment->CurrentChapter() ) )
5625                 p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5626             b_result = true;
5627         }
5628     }
5629
5630     return b_result;
5631 }
5632
5633 void demux_sys_t::SwapButtons()
5634 {
5635 #ifndef WORDS_BIGENDIAN
5636     uint8_t button, i, j;
5637
5638     for( button = 1; button <= pci_packet.hli.hl_gi.btn_ns; button++) {
5639         btni_t *button_ptr = &(pci_packet.hli.btnit[button-1]);
5640         binary *p_data = (binary*) button_ptr;
5641
5642         uint16 i_x_start = ((p_data[0] & 0x3F) << 4 ) + ( p_data[1] >> 4 );
5643         uint16 i_x_end   = ((p_data[1] & 0x03) << 8 ) + p_data[2];
5644         uint16 i_y_start = ((p_data[3] & 0x3F) << 4 ) + ( p_data[4] >> 4 );
5645         uint16 i_y_end   = ((p_data[4] & 0x03) << 8 ) + p_data[5];
5646         button_ptr->x_start = i_x_start;
5647         button_ptr->x_end   = i_x_end;
5648         button_ptr->y_start = i_y_start;
5649         button_ptr->y_end   = i_y_end;
5650
5651     }
5652     for ( i = 0; i<3; i++ )
5653     {
5654         for ( j = 0; j<2; j++ )
5655         {
5656             pci_packet.hli.btn_colit.btn_coli[i][j] = U32_AT( &pci_packet.hli.btn_colit.btn_coli[i][j] );
5657         }
5658     }
5659 #endif
5660 }