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

   1 /*****************************************************************************
   2  * mkv.cpp : matroska demuxer
   3  *****************************************************************************
   4  * Copyright (C) 2003-2004 VideoLAN
   5  * $Id$
   6  *
   7  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   8  *          Steve Lhomme <steve.lhomme@free.fr>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  23  *****************************************************************************/
  24
  25 /*****************************************************************************
  26  * Preamble
  27  *****************************************************************************/
  28 #include <stdlib.h>                                      /* malloc(), free() */
  29
  30 #include <vlc/vlc.h>
  31
  32 #ifdef HAVE_TIME_H
  33 #   include <time.h>                                               /* time() */
  34 #endif
  35
  36 #include <vlc/input.h>
  37
  38 #include <codecs.h>                        /* BITMAPINFOHEADER, WAVEFORMATEX */
  39 #include "iso_lang.h"
  40 #include "vlc_meta.h"
  41
  42 #include <iostream>
  43 #include <cassert>
  44 #include <typeinfo>
  45 #include <string>
  46 #include <vector>
  47 #include <algorithm>
  48
  49 #ifdef HAVE_DIRENT_H
  50 #   include <dirent.h>
  51 #endif
  52
  53 /* libebml and matroska */
  54 #include "ebml/EbmlHead.h"
  55 #include "ebml/EbmlSubHead.h"
  56 #include "ebml/EbmlStream.h"
  57 #include "ebml/EbmlContexts.h"
  58 #include "ebml/EbmlVoid.h"
  59 #include "ebml/EbmlVersion.h"
  60 #include "ebml/StdIOCallback.h"
  61
  62 #include "matroska/KaxAttachments.h"
  63 #include "matroska/KaxBlock.h"
  64 #include "matroska/KaxBlockData.h"
  65 #include "matroska/KaxChapters.h"
  66 #include "matroska/KaxCluster.h"
  67 #include "matroska/KaxClusterData.h"
  68 #include "matroska/KaxContexts.h"
  69 #include "matroska/KaxCues.h"
  70 #include "matroska/KaxCuesData.h"
  71 #include "matroska/KaxInfo.h"
  72 #include "matroska/KaxInfoData.h"
  73 #include "matroska/KaxSeekHead.h"
  74 #include "matroska/KaxSegment.h"
  75 #include "matroska/KaxTag.h"
  76 #include "matroska/KaxTags.h"
  77 #include "matroska/KaxTagMulti.h"
  78 #include "matroska/KaxTracks.h"
  79 #include "matroska/KaxTrackAudio.h"
  80 #include "matroska/KaxTrackVideo.h"
  81 #include "matroska/KaxTrackEntryData.h"
  82 #include "matroska/KaxContentEncoding.h"
  83 #include "matroska/KaxVersion.h"
  84
  85 #include "ebml/StdIOCallback.h"
  86
  87 #include "vlc_keys.h"
  88
  89 extern "C" {
  90    #include "mp4/libmp4.h"
  91 }
  92 #ifdef HAVE_ZLIB_H
  93 #   include <zlib.h>
  94 #endif
  95
  96 #define MATROSKA_COMPRESSION_NONE 0
  97 #define MATROSKA_COMPRESSION_ZLIB 1
  98
  99 #define MKVD_TIMECODESCALE 1000000
 100
 101 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 102 #undef ATTRIBUTE_PACKED
 103 #undef PRAGMA_PACK_BEGIN
 104 #undef PRAGMA_PACK_END
 105
 106 #if defined(__GNUC__)
 107 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)
 108 #define ATTRIBUTE_PACKED __attribute__ ((packed))
 109 #define PRAGMA_PACK 0
 110 #endif
 111 #endif
 112
 113 #if !defined(ATTRIBUTE_PACKED)
 114 #define ATTRIBUTE_PACKED
 115 #define PRAGMA_PACK 1
 116 #endif
 117
 118 #if PRAGMA_PACK
 119 #pragma pack(1)
 120 #endif
 121
 122 /*************************************
 123 *  taken from libdvdnav / libdvdread
 124 **************************************/
 125
 126 /**
 127  * DVD Time Information.
 128  */
 129 typedef struct {
 130   uint8_t hour;
 131   uint8_t minute;
 132   uint8_t second;
 133   uint8_t frame_u; /* The two high bits are the frame rate. */
 134 } ATTRIBUTE_PACKED dvd_time_t;
 135
 136 /**
 137  * User Operations.
 138  */
 139 typedef struct {
 140 #ifdef WORDS_BIGENDIAN
 141   unsigned char zero                           : 7; /* 25-31 */
 142   unsigned char video_pres_mode_change         : 1; /* 24 */
 143
 144   unsigned char karaoke_audio_pres_mode_change : 1; /* 23 */
 145   unsigned char angle_change                   : 1;
 146   unsigned char subpic_stream_change           : 1;
 147   unsigned char audio_stream_change            : 1;
 148   unsigned char pause_on                       : 1;
 149   unsigned char still_off                      : 1;
 150   unsigned char button_select_or_activate      : 1;
 151   unsigned char resume                         : 1; /* 16 */
 152
 153   unsigned char chapter_menu_call              : 1; /* 15 */
 154   unsigned char angle_menu_call                : 1;
 155   unsigned char audio_menu_call                : 1;
 156   unsigned char subpic_menu_call               : 1;
 157   unsigned char root_menu_call                 : 1;
 158   unsigned char title_menu_call                : 1;
 159   unsigned char backward_scan                  : 1;
 160   unsigned char forward_scan                   : 1; /* 8 */
 161
 162   unsigned char next_pg_search                 : 1; /* 7 */
 163   unsigned char prev_or_top_pg_search          : 1;
 164   unsigned char time_or_chapter_search         : 1;
 165   unsigned char go_up                          : 1;
 166   unsigned char stop                           : 1;
 167   unsigned char title_play                     : 1;
 168   unsigned char chapter_search_or_play         : 1;
 169   unsigned char title_or_time_play             : 1; /* 0 */
 170 #else
 171   unsigned char video_pres_mode_change         : 1; /* 24 */
 172   unsigned char zero                           : 7; /* 25-31 */
 173
 174   unsigned char resume                         : 1; /* 16 */
 175   unsigned char button_select_or_activate      : 1;
 176   unsigned char still_off                      : 1;
 177   unsigned char pause_on                       : 1;
 178   unsigned char audio_stream_change            : 1;
 179   unsigned char subpic_stream_change           : 1;
 180   unsigned char angle_change                   : 1;
 181   unsigned char karaoke_audio_pres_mode_change : 1; /* 23 */
 182
 183   unsigned char forward_scan                   : 1; /* 8 */
 184   unsigned char backward_scan                  : 1;
 185   unsigned char title_menu_call                : 1;
 186   unsigned char root_menu_call                 : 1;
 187   unsigned char subpic_menu_call               : 1;
 188   unsigned char audio_menu_call                : 1;
 189   unsigned char angle_menu_call                : 1;
 190   unsigned char chapter_menu_call              : 1; /* 15 */
 191
 192   unsigned char title_or_time_play             : 1; /* 0 */
 193   unsigned char chapter_search_or_play         : 1;
 194   unsigned char title_play                     : 1;
 195   unsigned char stop                           : 1;
 196   unsigned char go_up                          : 1;
 197   unsigned char time_or_chapter_search         : 1;
 198   unsigned char prev_or_top_pg_search          : 1;
 199   unsigned char next_pg_search                 : 1; /* 7 */
 200 #endif
 201 } ATTRIBUTE_PACKED user_ops_t;
 202
 203 /**
 204  * Type to store per-command data.
 205  */
 206 typedef struct {
 207   uint8_t bytes[8];
 208 } ATTRIBUTE_PACKED vm_cmd_t;
 209 #define COMMAND_DATA_SIZE 8
 210
 211 /**
 212  * PCI General Information
 213  */
 214 typedef struct {
 215   uint32_t nv_pck_lbn;      /**< sector address of this nav pack */
 216   uint16_t vobu_cat;        /**< 'category' of vobu */
 217   uint16_t zero1;           /**< reserved */
 218   user_ops_t vobu_uop_ctl;  /**< UOP of vobu */
 219   uint32_t vobu_s_ptm;      /**< start presentation time of vobu */
 220   uint32_t vobu_e_ptm;      /**< end presentation time of vobu */
 221   uint32_t vobu_se_e_ptm;   /**< end ptm of sequence end in vobu */
 222   dvd_time_t e_eltm;        /**< Cell elapsed time */
 223   char vobu_isrc[32];
 224 } ATTRIBUTE_PACKED pci_gi_t;
 225
 226 /**
 227  * Non Seamless Angle Information
 228  */
 229 typedef struct {
 230   uint32_t nsml_agl_dsta[9];  /**< address of destination vobu in AGL_C#n */
 231 } ATTRIBUTE_PACKED nsml_agli_t;
 232
 233 /**
 234  * Highlight General Information
 235  *
 236  * For btngrX_dsp_ty the bits have the following meaning:
 237  * 000b: normal 4/3 only buttons
 238  * XX1b: wide (16/9) buttons
 239  * X1Xb: letterbox buttons
 240  * 1XXb: pan&scan buttons
 241  */
 242 typedef struct {
 243   uint16_t hli_ss; /**< status, only low 2 bits 0: no buttons, 1: different 2: equal 3: eual except for button cmds */
 244   uint32_t hli_s_ptm;              /**< start ptm of hli */
 245   uint32_t hli_e_ptm;              /**< end ptm of hli */
 246   uint32_t btn_se_e_ptm;           /**< end ptm of button select */
 247 #ifdef WORDS_BIGENDIAN
 248   unsigned char zero1 : 2;          /**< reserved */
 249   unsigned char btngr_ns : 2;       /**< number of button groups 1, 2 or 3 with 36/18/12 buttons */
 250   unsigned char zero2 : 1;          /**< reserved */
 251   unsigned char btngr1_dsp_ty : 3;  /**< display type of subpic stream for button group 1 */
 252   unsigned char zero3 : 1;          /**< reserved */
 253   unsigned char btngr2_dsp_ty : 3;  /**< display type of subpic stream for button group 2 */
 254   unsigned char zero4 : 1;          /**< reserved */
 255   unsigned char btngr3_dsp_ty : 3;  /**< display type of subpic stream for button group 3 */
 256 #else
 257   unsigned char btngr1_dsp_ty : 3;
 258   unsigned char zero2 : 1;
 259   unsigned char btngr_ns : 2;
 260   unsigned char zero1 : 2;
 261   unsigned char btngr3_dsp_ty : 3;
 262   unsigned char zero4 : 1;
 263   unsigned char btngr2_dsp_ty : 3;
 264   unsigned char zero3 : 1;
 265 #endif
 266   uint8_t btn_ofn;     /**< button offset number range 0-255 */
 267   uint8_t btn_ns;      /**< number of valid buttons  <= 36/18/12 (low 6 bits) */
 268   uint8_t nsl_btn_ns;  /**< number of buttons selectable by U_BTNNi (low 6 bits)   nsl_btn_ns <= btn_ns */
 269   uint8_t zero5;       /**< reserved */
 270   uint8_t fosl_btnn;   /**< forcedly selected button  (low 6 bits) */
 271   uint8_t foac_btnn;   /**< forcedly activated button (low 6 bits) */
 272 } ATTRIBUTE_PACKED hl_gi_t;
 273
 274
 275 /**
 276  * Button Color Information Table
 277  * Each entry beeing a 32bit word that contains the color indexs and alpha
 278  * values to use.  They are all represented by 4 bit number and stored
 279  * like this [Ci3, Ci2, Ci1, Ci0, A3, A2, A1, A0].   The actual palette
 280  * that the indexes reference is in the PGC.
 281  * @TODO split the uint32_t into a struct
 282  */
 283 typedef struct {
 284   uint32_t btn_coli[3][2];  /**< [button color number-1][select:0/action:1] */
 285 } ATTRIBUTE_PACKED btn_colit_t;
 286
 287 /**
 288  * Button Information
 289  *
 290  * NOTE: I've had to change the structure from the disk layout to get
 291  * the packing to work with Sun's Forte C compiler.
 292  * The 4 and 7 bytes are 'rotated' was: ABC DEF GHIJ  is: ABCG DEFH IJ
 293  */
 294 typedef struct {
 295 #ifdef WORDS_BIGENDIAN
 296   uint32        btn_coln         : 2;  /**< button color number */
 297   uint32        x_start          : 10; /**< x start offset within the overlay */
 298   uint32        zero1            : 2;  /**< reserved */
 299   uint32        x_end            : 10; /**< x end offset within the overlay */
 300
 301   uint32        zero3            : 2;  /**< reserved */
 302   uint32        up               : 6;  /**< button index when pressing up */
 303
 304   uint32        auto_action_mode : 2;  /**< 0: no, 1: activated if selected */
 305   uint32        y_start          : 10; /**< y start offset within the overlay */
 306   uint32        zero2            : 2;  /**< reserved */
 307   uint32        y_end            : 10; /**< y end offset within the overlay */
 308
 309   uint32        zero4            : 2;  /**< reserved */
 310   uint32        down             : 6;  /**< button index when pressing down */
 311   unsigned char zero5            : 2;  /**< reserved */
 312   unsigned char left             : 6;  /**< button index when pressing left */
 313   unsigned char zero6            : 2;  /**< reserved */
 314   unsigned char right            : 6;  /**< button index when pressing right */
 315 #else
 316   uint32        x_end            : 10;
 317   uint32        zero1            : 2;
 318   uint32        x_start          : 10;
 319   uint32        btn_coln         : 2;
 320
 321   uint32        up               : 6;
 322   uint32        zero3            : 2;
 323
 324   uint32        y_end            : 10;
 325   uint32        zero2            : 2;
 326   uint32        y_start          : 10;
 327   uint32        auto_action_mode : 2;
 328
 329   uint32        down             : 6;
 330   uint32        zero4            : 2;
 331   unsigned char left             : 6;
 332   unsigned char zero5            : 2;
 333   unsigned char right            : 6;
 334   unsigned char zero6            : 2;
 335 #endif
 336   vm_cmd_t cmd;
 337 } ATTRIBUTE_PACKED btni_t;
 338
 339 /**
 340  * Highlight Information
 341  */
 342 typedef struct {
 343   hl_gi_t     hl_gi;
 344   btn_colit_t btn_colit;
 345   btni_t      btnit[36];
 346 } ATTRIBUTE_PACKED hli_t;
 347
 348 /**
 349  * PCI packet
 350  */
 351 typedef struct {
 352   pci_gi_t    pci_gi;
 353   nsml_agli_t nsml_agli;
 354   hli_t       hli;
 355   uint8_t     zero1[189];
 356 } ATTRIBUTE_PACKED pci_t;
 357
 358
 359 #if PRAGMA_PACK
 360 #pragma pack()
 361 #endif
 362 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 363
 364
 365 /**
 366  * What's between a directory and a filename?
 367  */
 368 #if defined( WIN32 )
 369     #define DIRECTORY_SEPARATOR '\\'
 370 #else
 371     #define DIRECTORY_SEPARATOR '/'
 372 #endif
 373
 374 using namespace LIBMATROSKA_NAMESPACE;
 375 using namespace std;
 376
 377 /*****************************************************************************
 378  * Module descriptor
 379  *****************************************************************************/
 380 static int  Open ( vlc_object_t * );
 381 static void Close( vlc_object_t * );
 382
 383 vlc_module_begin();
 384     set_shortname( _("Matroska") );
 385     set_description( _("Matroska stream demuxer" ) );
 386     set_capability( "demux2", 50 );
 387     set_callbacks( Open, Close );
 388     set_category( CAT_INPUT );
 389     set_subcategory( SUBCAT_INPUT_DEMUX );
 390
 391     add_bool( "mkv-use-ordered-chapters", 1, NULL,
 392             N_("Ordered chapters"),
 393             N_("Play ordered chapters as specified in the segment"), VLC_TRUE );
 394
 395     add_bool( "mkv-use-chapter-codec", 1, NULL,
 396             N_("Chapter codecs"),
 397             N_("Use chapter codecs found in the segment"), VLC_TRUE );
 398
 399     add_bool( "mkv-seek-percent", 0, NULL,
 400             N_("Seek based on percent not time"),
 401             N_("Seek based on percent not time"), VLC_TRUE );
 402
 403     add_bool( "mkv-use-dummy", 0, NULL,
 404             N_("Dummy Elements"),
 405             N_("Read and discard unknown EBML elements (not good for broken files)"), VLC_TRUE );
 406
 407     add_shortcut( "mka" );
 408     add_shortcut( "mkv" );
 409 vlc_module_end();
 410
 411 /*****************************************************************************
 412  * Local prototypes
 413  *****************************************************************************/
 414 #ifdef HAVE_ZLIB_H
 415 block_t *block_zlib_decompress( vlc_object_t *p_this, block_t *p_in_block ) {
 416     int result, dstsize, n;
 417     unsigned char *dst;
 418     block_t *p_block;
 419     z_stream d_stream;
 420
 421     d_stream.zalloc = (alloc_func)0;
 422     d_stream.zfree = (free_func)0;
 423     d_stream.opaque = (voidpf)0;
 424     result = inflateInit(&d_stream);
 425     if( result != Z_OK )
 426     {
 427         msg_Dbg( p_this, "inflateInit() failed. Result: %d", result );
 428         return NULL;
 429     }
 430
 431     d_stream.next_in = (Bytef *)p_in_block->p_buffer;
 432     d_stream.avail_in = p_in_block->i_buffer;
 433     n = 0;
 434     p_block = block_New( p_this, 0 );
 435     dst = NULL;
 436     do
 437     {
 438         n++;
 439         p_block = block_Realloc( p_block, 0, n * 1000 );
 440         dst = (unsigned char *)p_block->p_buffer;
 441         d_stream.next_out = (Bytef *)&dst[(n - 1) * 1000];
 442         d_stream.avail_out = 1000;
 443         result = inflate(&d_stream, Z_NO_FLUSH);
 444         if( ( result != Z_OK ) && ( result != Z_STREAM_END ) )
 445         {
 446             msg_Dbg( p_this, "Zlib decompression failed. Result: %d", result );
 447             return NULL;
 448         }
 449     }
 450     while( ( d_stream.avail_out == 0 ) && ( d_stream.avail_in != 0 ) &&
 451            ( result != Z_STREAM_END ) );
 452
 453     dstsize = d_stream.total_out;
 454     inflateEnd( &d_stream );
 455
 456     p_block = block_Realloc( p_block, 0, dstsize );
 457     p_block->i_buffer = dstsize;
 458     block_Release( p_in_block );
 459
 460     return p_block;
 461 }
 462 #endif
 463
 464 /**
 465  * Helper function to print the mkv parse tree
 466  */
 467 static void MkvTree( demux_t & demuxer, int i_level, char *psz_format, ... )
 468 {
 469     va_list args;
 470     if( i_level > 9 )
 471     {
 472         msg_Err( &demuxer, "too deep tree" );
 473         return;
 474     }
 475     va_start( args, psz_format );
 476     static char *psz_foo = "|   |   |   |   |   |   |   |   |   |";
 477     char *psz_foo2 = (char*)malloc( ( i_level * 4 + 3 + strlen( psz_format ) ) * sizeof(char) );
 478     strncpy( psz_foo2, psz_foo, 4 * i_level );
 479     psz_foo2[ 4 * i_level ] = '+';
 480     psz_foo2[ 4 * i_level + 1 ] = ' ';
 481     strcpy( &psz_foo2[ 4 * i_level + 2 ], psz_format );
 482     __msg_GenericVa( VLC_OBJECT(&demuxer), VLC_MSG_DBG, "mkv", psz_foo2, args );
 483     free( psz_foo2 );
 484     va_end( args );
 485 }
 486
 487 /*****************************************************************************
 488  * Stream managment
 489  *****************************************************************************/
 490 class vlc_stream_io_callback: public IOCallback
 491 {
 492   private:
 493     stream_t       *s;
 494     vlc_bool_t     mb_eof;
 495
 496   public:
 497     vlc_stream_io_callback( stream_t * );
 498
 499     virtual uint32   read            ( void *p_buffer, size_t i_size);
 500     virtual void     setFilePointer  ( int64_t i_offset, seek_mode mode = seek_beginning );
 501     virtual size_t   write           ( const void *p_buffer, size_t i_size);
 502     virtual uint64   getFilePointer  ( void );
 503     virtual void     close           ( void );
 504 };
 505
 506 /*****************************************************************************
 507  * Ebml Stream parser
 508  *****************************************************************************/
 509 class EbmlParser
 510 {
 511   public:
 512     EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux );
 513     virtual ~EbmlParser( void );
 514
 515     void Up( void );
 516     void Down( void );
 517     void Reset( demux_t *p_demux );
 518     EbmlElement *Get( void );
 519     void        Keep( void );
 520     EbmlElement *UnGet( uint64 i_block_pos, uint64 i_cluster_pos );
 521
 522     int GetLevel( void );
 523
 524   private:
 525     EbmlStream  *m_es;
 526     int         mi_level;
 527     EbmlElement *m_el[10];
 528     int64_t      mi_remain_size[10];
 529
 530     EbmlElement *m_got;
 531
 532     int         mi_user_level;
 533     vlc_bool_t  mb_keep;
 534     vlc_bool_t  mb_dummy;
 535 };
 536
 537
 538 /*****************************************************************************
 539  * Some functions to manipulate memory
 540  *****************************************************************************/
 541 #define GetFOURCC( p )  __GetFOURCC( (uint8_t*)p )
 542 static vlc_fourcc_t __GetFOURCC( uint8_t *p )
 543 {
 544     return VLC_FOURCC( p[0], p[1], p[2], p[3] );
 545 }
 546
 547 /*****************************************************************************
 548  * definitions of structures and functions used by this plugins
 549  *****************************************************************************/
 550 typedef struct
 551 {
 552     vlc_bool_t   b_default;
 553     vlc_bool_t   b_enabled;
 554     unsigned int i_number;
 555
 556     int          i_extra_data;
 557     uint8_t      *p_extra_data;
 558
 559     char         *psz_codec;
 560
 561     uint64_t     i_default_duration;
 562     float        f_timecodescale;
 563
 564     /* video */
 565     es_format_t fmt;
 566     float       f_fps;
 567     es_out_id_t *p_es;
 568
 569     vlc_bool_t      b_inited;
 570     /* data to be send first */
 571     int             i_data_init;
 572     uint8_t         *p_data_init;
 573
 574     /* hack : it's for seek */
 575     vlc_bool_t      b_search_keyframe;
 576     vlc_bool_t      b_silent;
 577
 578     /* informative */
 579     char         *psz_codec_name;
 580     char         *psz_codec_settings;
 581     char         *psz_codec_info_url;
 582     char         *psz_codec_download_url;
 583
 584     /* encryption/compression */
 585     int           i_compression_type;
 586
 587 } mkv_track_t;
 588
 589 typedef struct
 590 {
 591     int     i_track;
 592     int     i_block_number;
 593
 594     int64_t i_position;
 595     int64_t i_time;
 596
 597     vlc_bool_t b_key;
 598 } mkv_index_t;
 599
 600 class demux_sys_t;
 601
 602 const binary MATROSKA_DVD_LEVEL_SS   = 0x30;
 603 const binary MATROSKA_DVD_LEVEL_LU   = 0x2A;
 604 const binary MATROSKA_DVD_LEVEL_TT   = 0x28;
 605 const binary MATROSKA_DVD_LEVEL_PGC  = 0x20;
 606 const binary MATROSKA_DVD_LEVEL_PG   = 0x18;
 607 const binary MATROSKA_DVD_LEVEL_PTT  = 0x10;
 608 const binary MATROSKA_DVD_LEVEL_CN   = 0x08;
 609
 610 class chapter_codec_cmds_c
 611 {
 612 public:
 613     chapter_codec_cmds_c( demux_sys_t & demuxer, int codec_id = -1)
 614     :p_private_data(NULL)
 615     ,i_codec_id( codec_id )
 616     ,sys( demuxer )
 617     {}
 618
 619     virtual ~chapter_codec_cmds_c()
 620     {
 621         delete p_private_data;
 622         std::vector<KaxChapterProcessData*>::iterator indexe = enter_cmds.begin();
 623         while ( indexe != enter_cmds.end() )
 624         {
 625             delete (*indexe);
 626             indexe++;
 627         }
 628         std::vector<KaxChapterProcessData*>::iterator indexl = leave_cmds.begin();
 629         while ( indexl != leave_cmds.end() )
 630         {
 631             delete (*indexl);
 632             indexl++;
 633         }
 634         std::vector<KaxChapterProcessData*>::iterator indexd = during_cmds.begin();
 635         while ( indexd != during_cmds.end() )
 636         {
 637             delete (*indexd);
 638             indexd++;
 639         }
 640     }
 641
 642     void SetPrivate( const KaxChapterProcessPrivate & private_data )
 643     {
 644         p_private_data = new KaxChapterProcessPrivate( private_data );
 645     }
 646
 647     void AddCommand( const KaxChapterProcessCommand & command );
 648
 649     /// \return wether the codec has seeked in the files or not
 650     virtual bool Enter() { return false; }
 651     virtual bool Leave() { return false; }
 652     virtual std::string GetCodecName( bool f_for_title = false ) const { return ""; }
 653     virtual int16 GetTitleNumber() { return -1; }
 654
 655     KaxChapterProcessPrivate *p_private_data;
 656
 657 protected:
 658     std::vector<KaxChapterProcessData*> enter_cmds;
 659     std::vector<KaxChapterProcessData*> during_cmds;
 660     std::vector<KaxChapterProcessData*> leave_cmds;
 661
 662     int i_codec_id;
 663     demux_sys_t & sys;
 664 };
 665
 666 class dvd_command_interpretor_c
 667 {
 668 public:
 669     dvd_command_interpretor_c( demux_sys_t & demuxer )
 670     :sys( demuxer )
 671     {
 672         memset( p_PRMs, 0, sizeof(p_PRMs) );
 673         p_PRMs[ 0x80 + 1 ] = 15;
 674         p_PRMs[ 0x80 + 2 ] = 62;
 675         p_PRMs[ 0x80 + 3 ] = 1;
 676         p_PRMs[ 0x80 + 4 ] = 1;
 677         p_PRMs[ 0x80 + 7 ] = 1;
 678         p_PRMs[ 0x80 + 8 ] = 1;
 679         p_PRMs[ 0x80 + 16 ] = 0xFFFFu;
 680         p_PRMs[ 0x80 + 18 ] = 0xFFFFu;
 681     }
 682
 683     bool Interpret( const binary * p_command, size_t i_size = 8 );
 684
 685     uint16 GetPRM( size_t index ) const
 686     {
 687         if ( index < 256 )
 688             return p_PRMs[ index ];
 689         else return 0;
 690     }
 691
 692     uint16 GetGPRM( size_t index ) const
 693     {
 694         if ( index >= 0 && index < 16 )
 695             return p_PRMs[ index ];
 696         else return 0;
 697     }
 698
 699     uint16 GetSPRM( size_t index ) const
 700     {
 701         // 21,22,23 reserved for future use
 702         if ( index >= 0x80 && index < 0x95 )
 703             return p_PRMs[ index ];
 704         else return 0;
 705     }
 706
 707     bool SetPRM( size_t index, uint16 value )
 708     {
 709         if ( index >= 0 && index < 16 )
 710         {
 711             p_PRMs[ index ] = value;
 712             return true;
 713         }
 714         return false;
 715     }
 716
 717     bool SetGPRM( size_t index, uint16 value )
 718     {
 719         if ( index >= 0 && index < 16 )
 720         {
 721             p_PRMs[ index ] = value;
 722             return true;
 723         }
 724         return false;
 725     }
 726
 727     bool SetSPRM( size_t index, uint16 value )
 728     {
 729         if ( index > 0x80 && index <= 0x8D && index != 0x8C )
 730         {
 731             p_PRMs[ index ] = value;
 732             return true;
 733         }
 734         return false;
 735     }
 736
 737 protected:
 738     std::string GetRegTypeName( bool b_value, uint16 value ) const
 739     {
 740         std::string result;
 741         char s_value[6], s_reg_value[6];
 742         sprintf( s_value, "%.5d", value );
 743
 744         if ( b_value )
 745         {
 746             result = "value (";
 747             result += s_value;
 748             result += ")";
 749         }
 750         else if ( value < 0x80 )
 751         {
 752             sprintf( s_reg_value, "%.5d", GetPRM( value ) );
 753             result = "GPreg[";
 754             result += s_value;
 755             result += "] (";
 756             result += s_reg_value;
 757             result += ")";
 758         }
 759         else
 760         {
 761             sprintf( s_reg_value, "%.5d", GetPRM( value ) );
 762             result = "SPreg[";
 763             result += s_value;
 764             result += "] (";
 765             result += s_reg_value;
 766             result += ")";
 767         }
 768         return result;
 769     }
 770
 771     uint16       p_PRMs[256];
 772     demux_sys_t  & sys;
 773
 774     // DVD command IDs
 775
 776     // Tests
 777     // wether it's a comparison on the value or register
 778     static const uint16 CMD_DVD_TEST_VALUE          = 0x80;
 779     static const uint16 CMD_DVD_IF_GPREG_AND        = (1 << 4);
 780     static const uint16 CMD_DVD_IF_GPREG_EQUAL      = (2 << 4);
 781     static const uint16 CMD_DVD_IF_GPREG_NOT_EQUAL  = (3 << 4);
 782     static const uint16 CMD_DVD_IF_GPREG_SUP_EQUAL  = (4 << 4);
 783     static const uint16 CMD_DVD_IF_GPREG_SUP        = (5 << 4);
 784     static const uint16 CMD_DVD_IF_GPREG_INF_EQUAL  = (6 << 4);
 785     static const uint16 CMD_DVD_IF_GPREG_INF        = (7 << 4);
 786
 787     static const uint16 CMD_DVD_NOP                    = 0x0000;
 788     static const uint16 CMD_DVD_GOTO_LINE              = 0x0001;
 789     static const uint16 CMD_DVD_BREAK                  = 0x0002;
 790     // Links
 791     static const uint16 CMD_DVD_NOP2                   = 0x2001;
 792     static const uint16 CMD_DVD_LINKPGCN               = 0x2004;
 793     static const uint16 CMD_DVD_LINKPGN                = 0x2006;
 794     static const uint16 CMD_DVD_LINKCN                 = 0x2007;
 795     static const uint16 CMD_DVD_JUMP_TT                = 0x3002;
 796     static const uint16 CMD_DVD_JUMPVTS_TT             = 0x3003;
 797     static const uint16 CMD_DVD_JUMPVTS_PTT            = 0x3005;
 798     static const uint16 CMD_DVD_JUMP_SS                = 0x3006;
 799     static const uint16 CMD_DVD_CALLSS_VTSM1           = 0x3008;
 800     //
 801     static const uint16 CMD_DVD_SET_HL_BTNN2           = 0x4600;
 802     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN1  = 0x4604;
 803     static const uint16 CMD_DVD_SET_STREAM             = 0x5100;
 804     static const uint16 CMD_DVD_SET_GPRMMD             = 0x5300;
 805     static const uint16 CMD_DVD_SET_HL_BTNN1           = 0x5600;
 806     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN2  = 0x5604;
 807     static const uint16 CMD_DVD_SET_HL_BTNN_LINKCN     = 0x5607;
 808     // Operations
 809     static const uint16 CMD_DVD_MOV_SPREG_PREG         = 0x6100;
 810     static const uint16 CMD_DVD_GPREG_MOV_VALUE        = 0x7100;
 811     static const uint16 CMD_DVD_SUB_GPREG              = 0x7400;
 812     static const uint16 CMD_DVD_MULT_GPREG             = 0x7500;
 813     static const uint16 CMD_DVD_GPREG_DIV_VALUE        = 0x7600;
 814     static const uint16 CMD_DVD_GPREG_AND_VALUE        = 0x7900;
 815
 816     // callbacks when browsing inside CodecPrivate
 817     static bool MatchIsDomain     ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 818     static bool MatchIsVMG        ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 819     static bool MatchVTSNumber    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 820     static bool MatchVTSMNumber   ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 821     static bool MatchTitleNumber  ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 822     static bool MatchPgcType      ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 823     static bool MatchPgcNumber    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 824     static bool MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 825     static bool MatchCellNumber   ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 826 };
 827
 828 class dvd_chapter_codec_c : public chapter_codec_cmds_c
 829 {
 830 public:
 831     dvd_chapter_codec_c( demux_sys_t & sys )
 832     :chapter_codec_cmds_c( sys, 1 )
 833     {}
 834
 835     bool Enter();
 836     bool Leave();
 837     std::string GetCodecName( bool f_for_title = false ) const;
 838     int16 GetTitleNumber();
 839 };
 840
 841 class matroska_script_interpretor_c
 842 {
 843 public:
 844     matroska_script_interpretor_c( demux_sys_t & demuxer )
 845     :sys( demuxer )
 846     {}
 847
 848     bool Interpret( const binary * p_command, size_t i_size );
 849
 850     // DVD command IDs
 851     static const std::string CMD_MS_GOTO_AND_PLAY;
 852
 853 protected:
 854     demux_sys_t  & sys;
 855 };
 856
 857 const std::string matroska_script_interpretor_c::CMD_MS_GOTO_AND_PLAY = "GotoAndPlay";
 858
 859
 860 class matroska_script_codec_c : public chapter_codec_cmds_c
 861 {
 862 public:
 863     matroska_script_codec_c( demux_sys_t & sys )
 864     :chapter_codec_cmds_c( sys, 0 )
 865     ,interpretor( sys )
 866     {}
 867
 868     bool Enter();
 869     bool Leave();
 870
 871 protected:
 872     matroska_script_interpretor_c interpretor;
 873 };
 874
 875 class chapter_translation_c
 876 {
 877 public:
 878     chapter_translation_c()
 879         :p_translated(NULL)
 880     {}
 881
 882     ~chapter_translation_c()
 883     {
 884         delete p_translated;
 885     }
 886
 887     KaxChapterTranslateID  *p_translated;
 888     unsigned int           codec_id;
 889     std::vector<uint64_t>  editions;
 890 };
 891
 892 class chapter_item_c
 893 {
 894 public:
 895     chapter_item_c()
 896     :i_start_time(0)
 897     ,i_end_time(-1)
 898     ,i_user_start_time(-1)
 899     ,i_user_end_time(-1)
 900     ,i_seekpoint_num(-1)
 901     ,b_display_seekpoint(true)
 902     ,b_user_display(false)
 903     ,psz_parent(NULL)
 904     ,b_is_leaving(false)
 905     {}
 906
 907     virtual ~chapter_item_c()
 908     {
 909         std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
 910         while ( index != codecs.end() )
 911         {
 912             delete (*index);
 913             index++;
 914         }
 915         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
 916         while ( index_ != sub_chapters.end() )
 917         {
 918             delete (*index_);
 919             index_++;
 920         }
 921     }
 922
 923     int64_t RefreshChapters( bool b_ordered, int64_t i_prev_user_time );
 924     int PublishChapters( input_title_t & title, int & i_user_chapters, int i_level = 0 );
 925     virtual chapter_item_c * FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current, bool & b_found );
 926     void Append( const chapter_item_c & edition );
 927     chapter_item_c * FindChapter( int64_t i_find_uid );
 928     virtual chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
 929                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
 930                                     const void *p_cookie,
 931                                     size_t i_cookie_size );
 932     std::string                 GetCodecName( bool f_for_title = false ) const;
 933     bool                        ParentOf( const chapter_item_c & item ) const;
 934     int16                       GetTitleNumber( ) const;
 935
 936     int64_t                     i_start_time, i_end_time;
 937     int64_t                     i_user_start_time, i_user_end_time; /* the time in the stream when an edition is ordered */
 938     std::vector<chapter_item_c*> sub_chapters;
 939     int                         i_seekpoint_num;
 940     int64_t                     i_uid;
 941     bool                        b_display_seekpoint;
 942     bool                        b_user_display;
 943     std::string                 psz_name;
 944     chapter_item_c              *psz_parent;
 945     bool                        b_is_leaving;
 946
 947     std::vector<chapter_codec_cmds_c*> codecs;
 948
 949     bool operator<( const chapter_item_c & item ) const
 950     {
 951         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) );
 952     }
 953
 954     bool Enter( bool b_do_subchapters );
 955     bool Leave( bool b_do_subchapters );
 956     bool EnterAndLeave( chapter_item_c *p_item, bool b_enter = true );
 957 };
 958
 959 class chapter_edition_c : public chapter_item_c
 960 {
 961 public:
 962     chapter_edition_c()
 963     :b_ordered(false)
 964     {}
 965
 966     void RefreshChapters( );
 967     mtime_t Duration() const;
 968     std::string GetMainName() const;
 969     chapter_item_c * FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current );
 970
 971     bool                        b_ordered;
 972 };
 973
 974 class matroska_segment_c
 975 {
 976 public:
 977     matroska_segment_c( demux_sys_t & demuxer, EbmlStream & estream )
 978         :segment(NULL)
 979         ,es(estream)
 980         ,i_timescale(MKVD_TIMECODESCALE)
 981         ,i_duration(-1)
 982         ,i_start_time(0)
 983         ,i_cues_position(-1)
 984         ,i_chapters_position(-1)
 985         ,i_tags_position(-1)
 986         ,cluster(NULL)
 987         ,i_block_pos(0)
 988         ,i_cluster_pos(0)
 989         ,i_start_pos(0)
 990         ,p_segment_uid(NULL)
 991         ,p_prev_segment_uid(NULL)
 992         ,p_next_segment_uid(NULL)
 993         ,b_cues(VLC_FALSE)
 994         ,i_index(0)
 995         ,i_index_max(1024)
 996         ,psz_muxing_application(NULL)
 997         ,psz_writing_application(NULL)
 998         ,psz_segment_filename(NULL)
 999         ,psz_title(NULL)
1000         ,psz_date_utc(NULL)
1001         ,i_default_edition(0)
1002         ,sys(demuxer)
1003         ,ep(NULL)
1004         ,b_preloaded(false)
1005     {
1006         p_indexes = (mkv_index_t*)malloc( sizeof( mkv_index_t ) * i_index_max );
1007     }
1008
1009     virtual ~matroska_segment_c()
1010     {
1011         for( size_t i_track = 0; i_track < tracks.size(); i_track++ )
1012         {
1013             if( tracks[i_track]->fmt.psz_description )
1014             {
1015                 free( tracks[i_track]->fmt.psz_description );
1016             }
1017 /*            if( tracks[i_track]->psz_codec )
1018             {
1019                 free( tracks[i_track]->psz_codec );
1020             }
1021             if( tracks[i_track]->fmt.psz_language )
1022             {
1023                 free( tracks[i_track]->fmt.psz_language );
1024             }*/
1025             delete tracks[i_track];
1026         }
1027
1028         if( psz_writing_application )
1029         {
1030             free( psz_writing_application );
1031         }
1032         if( psz_muxing_application )
1033         {
1034             free( psz_muxing_application );
1035         }
1036         if( psz_segment_filename )
1037         {
1038             free( psz_segment_filename );
1039         }
1040         if( psz_title )
1041         {
1042             free( psz_title );
1043         }
1044         if( psz_date_utc )
1045         {
1046             free( psz_date_utc );
1047         }
1048         if ( p_indexes )
1049             free( p_indexes );
1050
1051         delete ep;
1052         delete p_segment_uid;
1053         delete p_prev_segment_uid;
1054         delete p_next_segment_uid;
1055
1056         std::vector<chapter_edition_c*>::iterator index = stored_editions.begin();
1057         while ( index != stored_editions.end() )
1058         {
1059             delete (*index);
1060             index++;
1061         }
1062         std::vector<chapter_translation_c*>::iterator indext = translations.begin();
1063         while ( indext != translations.end() )
1064         {
1065             delete (*indext);
1066             indext++;
1067         }
1068     }
1069
1070     KaxSegment              *segment;
1071     EbmlStream              & es;
1072
1073     /* time scale */
1074     uint64_t                i_timescale;
1075
1076     /* duration of the segment */
1077     mtime_t                 i_duration;
1078     mtime_t                 i_start_time;
1079
1080     /* all tracks */
1081     std::vector<mkv_track_t*> tracks;
1082
1083     /* from seekhead */
1084     int64_t                 i_cues_position;
1085     int64_t                 i_chapters_position;
1086     int64_t                 i_tags_position;
1087
1088     KaxCluster              *cluster;
1089     uint64                  i_block_pos;
1090     uint64                  i_cluster_pos;
1091     int64_t                 i_start_pos;
1092     KaxSegmentUID           *p_segment_uid;
1093     KaxPrevUID              *p_prev_segment_uid;
1094     KaxNextUID              *p_next_segment_uid;
1095
1096     vlc_bool_t              b_cues;
1097     int                     i_index;
1098     int                     i_index_max;
1099     mkv_index_t             *p_indexes;
1100
1101     /* info */
1102     char                    *psz_muxing_application;
1103     char                    *psz_writing_application;
1104     char                    *psz_segment_filename;
1105     char                    *psz_title;
1106     char                    *psz_date_utc;
1107
1108     /* !!!!! GCC 3.3 bug on Darwin !!!!! */
1109     /* when you remove this variable the compiler issues an atomicity error */
1110     /* this variable only works when using std::vector<chapter_edition_c> */
1111     std::vector<chapter_edition_c*> stored_editions;
1112     int                             i_default_edition;
1113
1114     std::vector<chapter_translation_c*> translations;
1115     std::vector<KaxSegmentFamily>  families;
1116
1117     demux_sys_t                    & sys;
1118     EbmlParser                     *ep;
1119     bool                           b_preloaded;
1120
1121     bool Preload( );
1122     bool PreloadFamily( const matroska_segment_c & segment );
1123     void ParseInfo( KaxInfo *info );
1124     void ParseChapters( KaxChapters *chapters );
1125     void ParseSeekHead( KaxSeekHead *seekhead );
1126     void ParseTracks( KaxTracks *tracks );
1127     void ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters );
1128     void ParseTrackEntry( KaxTrackEntry *m );
1129     void ParseCluster( );
1130     void IndexAppendCluster( KaxCluster *cluster );
1131     void LoadCues( );
1132     void LoadTags( );
1133     void InformationCreate( );
1134     void Seek( mtime_t i_date, mtime_t i_time_offset );
1135     int BlockGet( KaxBlock * & pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration );
1136     bool Select( mtime_t i_start_time );
1137     void UnSelect( );
1138
1139     static bool CompareSegmentUIDs( const matroska_segment_c * item_a, const matroska_segment_c * item_b );
1140 };
1141
1142 // class holding hard-linked segment together in the playback order
1143 class virtual_segment_c
1144 {
1145 public:
1146     virtual_segment_c( matroska_segment_c *p_segment )
1147         :p_editions(NULL)
1148         ,i_sys_title(0)
1149         ,i_current_segment(0)
1150         ,i_current_edition(-1)
1151         ,psz_current_chapter(NULL)
1152     {
1153         linked_segments.push_back( p_segment );
1154
1155         AppendUID( p_segment->p_segment_uid );
1156         AppendUID( p_segment->p_prev_segment_uid );
1157         AppendUID( p_segment->p_next_segment_uid );
1158     }
1159
1160     void Sort();
1161     size_t AddSegment( matroska_segment_c *p_segment );
1162     void PreloadLinked( );
1163     mtime_t Duration( ) const;
1164     void LoadCues( );
1165     void Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter );
1166
1167     inline chapter_edition_c *Edition()
1168     {
1169         if ( i_current_edition >= 0 && size_t(i_current_edition) < p_editions->size() )
1170             return (*p_editions)[i_current_edition];
1171         return NULL;
1172     }
1173
1174     matroska_segment_c * Segment() const
1175     {
1176         if ( linked_segments.size() == 0 || i_current_segment >= linked_segments.size() )
1177             return NULL;
1178         return linked_segments[i_current_segment];
1179     }
1180
1181     inline chapter_item_c *CurrentChapter() {
1182         return psz_current_chapter;
1183     }
1184
1185     bool SelectNext()
1186     {
1187         if ( i_current_segment < linked_segments.size()-1 )
1188         {
1189             i_current_segment++;
1190             return true;
1191         }
1192         return false;
1193     }
1194
1195     bool FindUID( KaxSegmentUID & uid ) const
1196     {
1197         for ( size_t i=0; i<linked_uids.size(); i++ )
1198         {
1199             if ( linked_uids[i] == uid )
1200                 return true;
1201         }
1202         return false;
1203     }
1204
1205     bool UpdateCurrentToChapter( demux_t & demux );
1206     void PrepareChapters( );
1207
1208     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
1209                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
1210                                         const void *p_cookie,
1211                                         size_t i_cookie_size );
1212     chapter_item_c *FindChapter( int64_t i_find_uid );
1213
1214     std::vector<chapter_edition_c*>  *p_editions;
1215     int                              i_sys_title;
1216
1217 protected:
1218     std::vector<matroska_segment_c*> linked_segments;
1219     std::vector<KaxSegmentUID>       linked_uids;
1220     size_t                           i_current_segment;
1221
1222     int                              i_current_edition;
1223     chapter_item_c                   *psz_current_chapter;
1224
1225     void                             AppendUID( const EbmlBinary * UID );
1226 };
1227
1228 class matroska_stream_c
1229 {
1230 public:
1231     matroska_stream_c( demux_sys_t & demuxer )
1232         :p_in(NULL)
1233         ,p_es(NULL)
1234         ,sys(demuxer)
1235     {}
1236
1237     virtual ~matroska_stream_c()
1238     {
1239         delete p_in;
1240         delete p_es;
1241     }
1242
1243     IOCallback         *p_in;
1244     EbmlStream         *p_es;
1245
1246     std::vector<matroska_segment_c*> segments;
1247
1248     demux_sys_t                      & sys;
1249 };
1250
1251 typedef struct
1252 {
1253     VLC_COMMON_MEMBERS
1254
1255     demux_t        *p_demux;
1256     vlc_mutex_t     lock;
1257
1258     vlc_bool_t      b_moved;
1259     vlc_bool_t      b_clicked;
1260     vlc_bool_t      b_key;
1261
1262 } event_thread_t;
1263
1264 class demux_sys_t
1265 {
1266 public:
1267     demux_sys_t( demux_t & demux )
1268         :demuxer(demux)
1269         ,i_pts(0)
1270         ,i_start_pts(0)
1271         ,i_chapter_time(0)
1272         ,meta(NULL)
1273         ,i_current_title(0)
1274         ,p_current_segment(NULL)
1275         ,dvd_interpretor( *this )
1276         ,f_duration(-1.0)
1277         ,b_ui_hooked(false)
1278         ,p_input(NULL)
1279         ,b_pci_packet_set(false)
1280         ,p_ev(NULL)
1281     {
1282         vlc_mutex_init( &demuxer, &lock_demuxer );
1283     }
1284
1285     virtual ~demux_sys_t()
1286     {
1287         StopUiThread();
1288         size_t i;
1289         for ( i=0; i<streams.size(); i++ )
1290             delete streams[i];
1291         for ( i=0; i<opened_segments.size(); i++ )
1292             delete opened_segments[i];
1293         for ( i=0; i<used_segments.size(); i++ )
1294             delete used_segments[i];
1295         vlc_mutex_destroy( &lock_demuxer );
1296     }
1297
1298     /* current data */
1299     demux_t                 & demuxer;
1300
1301     mtime_t                 i_pts;
1302     mtime_t                 i_start_pts;
1303     mtime_t                 i_chapter_time;
1304
1305     vlc_meta_t              *meta;
1306
1307     std::vector<input_title_t*>      titles; // matroska editions
1308     size_t                           i_current_title;
1309
1310     std::vector<matroska_stream_c*>  streams;
1311     std::vector<matroska_segment_c*> opened_segments;
1312     std::vector<virtual_segment_c*>  used_segments;
1313     virtual_segment_c                *p_current_segment;
1314
1315     dvd_command_interpretor_c        dvd_interpretor;
1316
1317     /* duration of the stream */
1318     float                   f_duration;
1319
1320     matroska_segment_c *FindSegment( const EbmlBinary & uid ) const;
1321     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
1322                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
1323                                         const void *p_cookie,
1324                                         size_t i_cookie_size,
1325                                         virtual_segment_c * & p_segment_found );
1326     chapter_item_c *FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found );
1327
1328     void PreloadFamily( const matroska_segment_c & of_segment );
1329     void PreloadLinked( matroska_segment_c *p_segment );
1330     bool PreparePlayback( virtual_segment_c *p_new_segment );
1331     matroska_stream_c *AnalyseAllSegmentsFound( EbmlStream *p_estream );
1332     void JumpTo( virtual_segment_c & p_segment, chapter_item_c * p_chapter );
1333
1334     void StartUiThread();
1335     void StopUiThread();
1336     bool b_ui_hooked;
1337     inline void SwapButtons();
1338
1339     /* for spu variables */
1340     input_thread_t *p_input;
1341     pci_t          pci_packet;
1342     bool           b_pci_packet_set;
1343     uint8_t        alpha[4];
1344     vlc_mutex_t    lock_demuxer;
1345
1346     /* event */
1347     event_thread_t *p_ev;
1348     static int EventThread( vlc_object_t *p_this );
1349     static int EventMouse( vlc_object_t *p_this, char const *psz_var,
1350                        vlc_value_t oldval, vlc_value_t newval, void *p_data );
1351     static int EventKey( vlc_object_t *p_this, char const *psz_var,
1352                      vlc_value_t oldval, vlc_value_t newval, void *p_data );
1353
1354
1355
1356 protected:
1357     virtual_segment_c *VirtualFromSegments( matroska_segment_c *p_segment ) const;
1358     bool IsUsedSegment( matroska_segment_c &p_segment ) const;
1359 };
1360
1361 static int  Demux  ( demux_t * );
1362 static int  Control( demux_t *, int, va_list );
1363 static void Seek   ( demux_t *, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter );
1364
1365 #define MKV_IS_ID( el, C ) ( EbmlId( (*el) ) == C::ClassInfos.GlobalId )
1366
1367 static char *UTF8ToStr          ( const UTFstring &u );
1368
1369 /*****************************************************************************
1370  * Open: initializes matroska demux structures
1371  *****************************************************************************/
1372 static int Open( vlc_object_t * p_this )
1373 {
1374     demux_t            *p_demux = (demux_t*)p_this;
1375     demux_sys_t        *p_sys;
1376     matroska_stream_c  *p_stream;
1377     matroska_segment_c *p_segment;
1378     uint8_t            *p_peek;
1379     std::string        s_path, s_filename;
1380     vlc_stream_io_callback *p_io_callback;
1381     EbmlStream         *p_io_stream;
1382
1383     /* peek the begining */
1384     if( stream_Peek( p_demux->s, &p_peek, 4 ) < 4 ) return VLC_EGENERIC;
1385
1386     /* is a valid file */
1387     if( p_peek[0] != 0x1a || p_peek[1] != 0x45 ||
1388         p_peek[2] != 0xdf || p_peek[3] != 0xa3 ) return VLC_EGENERIC;
1389
1390     /* Set the demux function */
1391     p_demux->pf_demux   = Demux;
1392     p_demux->pf_control = Control;
1393     p_demux->p_sys      = p_sys = new demux_sys_t( *p_demux );
1394
1395     p_io_callback = new vlc_stream_io_callback( p_demux->s );
1396     p_io_stream = new EbmlStream( *p_io_callback );
1397
1398     if( p_io_stream == NULL )
1399     {
1400         msg_Err( p_demux, "failed to create EbmlStream" );
1401         delete p_io_callback;
1402         delete p_sys;
1403         return VLC_EGENERIC;
1404     }
1405
1406     p_stream = p_sys->AnalyseAllSegmentsFound( p_io_stream );
1407     if( p_stream == NULL )
1408     {
1409         msg_Err( p_demux, "cannot find KaxSegment" );
1410         goto error;
1411     }
1412     p_sys->streams.push_back( p_stream );
1413
1414     p_stream->p_in = p_io_callback;
1415     p_stream->p_es = p_io_stream;
1416
1417     for (size_t i=0; i<p_stream->segments.size(); i++)
1418     {
1419         p_stream->segments[i]->Preload();
1420     }
1421
1422     p_segment = p_stream->segments[0];
1423     if( p_segment->cluster != NULL )
1424     {
1425         msg_Warn( p_demux, "cannot find any cluster, damaged file ?" );
1426
1427         // reset the stream reading to the first cluster of the segment used
1428         p_stream->p_in->setFilePointer( p_segment->cluster->GetElementPosition() );
1429     }
1430
1431     /* get the files from the same dir from the same family (based on p_demux->psz_path) */
1432     if (p_demux->psz_path[0] != '\0' && !strcmp(p_demux->psz_access, ""))
1433     {
1434         // assume it's a regular file
1435         // get the directory path
1436         s_path = p_demux->psz_path;
1437         if (s_path.at(s_path.length() - 1) == DIRECTORY_SEPARATOR)
1438         {
1439             s_path = s_path.substr(0,s_path.length()-1);
1440         }
1441         else
1442         {
1443             if (s_path.find_last_of(DIRECTORY_SEPARATOR) > 0)
1444             {
1445                 s_path = s_path.substr(0,s_path.find_last_of(DIRECTORY_SEPARATOR));
1446             }
1447         }
1448
1449         struct dirent *p_file_item;
1450         DIR *p_src_dir = opendir(s_path.c_str());
1451
1452         if (p_src_dir != NULL)
1453         {
1454             while ((p_file_item = (dirent *) readdir(p_src_dir)))
1455             {
1456                 if (strlen(p_file_item->d_name) > 4)
1457                 {
1458                     s_filename = s_path + DIRECTORY_SEPARATOR + p_file_item->d_name;
1459
1460                     if (!s_filename.compare(p_demux->psz_path))
1461                         continue; // don't reuse the original opened file
1462
1463 #if defined(__GNUC__) && (__GNUC__ < 3)
1464                     if (!s_filename.compare("mkv", s_filename.length() - 3, 3) ||
1465                         !s_filename.compare("mka", s_filename.length() - 3, 3))
1466 #else
1467                     if (!s_filename.compare(s_filename.length() - 3, 3, "mkv") ||
1468                         !s_filename.compare(s_filename.length() - 3, 3, "mka"))
1469 #endif
1470                     {
1471                         // test wether this file belongs to the our family
1472                         StdIOCallback *p_file_io = new StdIOCallback(s_filename.c_str(), MODE_READ);
1473                         EbmlStream *p_estream = new EbmlStream(*p_file_io);
1474
1475                         p_stream = p_sys->AnalyseAllSegmentsFound( p_estream );
1476                         if ( p_stream == NULL )
1477                         {
1478                             msg_Dbg( p_demux, "the file '%s' will not be used", s_filename.c_str() );
1479                             delete p_estream;
1480                             delete p_file_io;
1481                         }
1482                         else
1483                         {
1484                             p_stream->p_in = p_file_io;
1485                             p_stream->p_es = p_estream;
1486                             p_sys->streams.push_back( p_stream );
1487                         }
1488                     }
1489                 }
1490             }
1491             closedir( p_src_dir );
1492         }
1493     }
1494
1495     p_sys->PreloadFamily( *p_segment );
1496     p_sys->PreloadLinked( p_segment );
1497     if ( !p_sys->PreparePlayback( NULL ) )
1498     {
1499         msg_Err( p_demux, "cannot use the segment" );
1500         goto error;
1501     }
1502
1503     p_sys->StartUiThread();
1504
1505     return VLC_SUCCESS;
1506
1507 error:
1508     delete p_sys;
1509     return VLC_EGENERIC;
1510 }
1511
1512 /*****************************************************************************
1513  * Close: frees unused data
1514  *****************************************************************************/
1515 static void Close( vlc_object_t *p_this )
1516 {
1517     demux_t     *p_demux = (demux_t*)p_this;
1518     demux_sys_t *p_sys   = p_demux->p_sys;
1519
1520     delete p_sys;
1521 }
1522
1523 /*****************************************************************************
1524  * Control:
1525  *****************************************************************************/
1526 static int Control( demux_t *p_demux, int i_query, va_list args )
1527 {
1528     demux_sys_t        *p_sys = p_demux->p_sys;
1529     int64_t     *pi64;
1530     double      *pf, f;
1531     int         i_skp;
1532     size_t      i_idx;
1533
1534     vlc_meta_t **pp_meta;
1535
1536     switch( i_query )
1537     {
1538         case DEMUX_GET_META:
1539             pp_meta = (vlc_meta_t**)va_arg( args, vlc_meta_t** );
1540             *pp_meta = vlc_meta_Duplicate( p_sys->meta );
1541             return VLC_SUCCESS;
1542
1543         case DEMUX_GET_LENGTH:
1544             pi64 = (int64_t*)va_arg( args, int64_t * );
1545             if( p_sys->f_duration > 0.0 )
1546             {
1547                 *pi64 = (int64_t)(p_sys->f_duration * 1000);
1548                 return VLC_SUCCESS;
1549             }
1550             return VLC_EGENERIC;
1551
1552         case DEMUX_GET_POSITION:
1553             pf = (double*)va_arg( args, double * );
1554             if ( p_sys->f_duration > 0.0 )
1555                 *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);
1556             return VLC_SUCCESS;
1557
1558         case DEMUX_SET_POSITION:
1559             f = (double)va_arg( args, double );
1560             Seek( p_demux, -1, f, NULL );
1561             return VLC_SUCCESS;
1562
1563         case DEMUX_GET_TIME:
1564             pi64 = (int64_t*)va_arg( args, int64_t * );
1565             *pi64 = p_sys->i_pts;
1566             return VLC_SUCCESS;
1567
1568         case DEMUX_GET_TITLE_INFO:
1569             if( p_sys->titles.size() )
1570             {
1571                 input_title_t ***ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
1572                 int *pi_int    = (int*)va_arg( args, int* );
1573
1574                 *pi_int = p_sys->titles.size();
1575                 *ppp_title = (input_title_t**)malloc( sizeof( input_title_t**) * p_sys->titles.size() );
1576
1577                 for( size_t i = 0; i < p_sys->titles.size(); i++ )
1578                 {
1579                     (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->titles[i] );
1580                 }
1581
1582                 return VLC_SUCCESS;
1583             }
1584             return VLC_EGENERIC;
1585
1586         case DEMUX_SET_TITLE:
1587             /* TODO handle editions as titles */
1588             i_idx = (int)va_arg( args, int );
1589             if( i_idx < p_sys->used_segments.size() )
1590             {
1591                 p_sys->JumpTo( *p_sys->used_segments[i_idx], NULL );
1592                 return VLC_SUCCESS;
1593             }
1594             return VLC_EGENERIC;
1595
1596         case DEMUX_SET_SEEKPOINT:
1597             i_skp = (int)va_arg( args, int );
1598
1599             // TODO change the way it works with the << & >> buttons on the UI (+1/-1 instead of a number)
1600             if( p_sys->titles.size() && i_skp < p_sys->titles[p_sys->i_current_title]->i_seekpoint)
1601             {
1602                 Seek( p_demux, (int64_t)p_sys->titles[p_sys->i_current_title]->seekpoint[i_skp]->i_time_offset, -1, NULL);
1603                 p_demux->info.i_seekpoint |= INPUT_UPDATE_SEEKPOINT;
1604                 p_demux->info.i_seekpoint = i_skp;
1605                 return VLC_SUCCESS;
1606             }
1607             return VLC_EGENERIC;
1608
1609         case DEMUX_SET_TIME:
1610         case DEMUX_GET_FPS:
1611         default:
1612             return VLC_EGENERIC;
1613     }
1614 }
1615
1616 int matroska_segment_c::BlockGet( KaxBlock * & pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration )
1617 {
1618     pp_block = NULL;
1619     *pi_ref1  = 0;
1620     *pi_ref2  = 0;
1621
1622     for( ;; )
1623     {
1624         EbmlElement *el;
1625         int         i_level;
1626
1627         if ( ep == NULL )
1628             return VLC_EGENERIC;
1629
1630         el = ep->Get();
1631         i_level = ep->GetLevel();
1632
1633         if( el == NULL && pp_block != NULL )
1634         {
1635             /* update the index */
1636 #define idx p_indexes[i_index - 1]
1637             if( i_index > 0 && idx.i_time == -1 )
1638             {
1639                 idx.i_time        = (*pp_block).GlobalTimecode() / (mtime_t)1000;
1640                 idx.b_key         = *pi_ref1 == 0 ? VLC_TRUE : VLC_FALSE;
1641             }
1642 #undef idx
1643             return VLC_SUCCESS;
1644         }
1645
1646         if( el == NULL )
1647         {
1648             if( ep->GetLevel() > 1 )
1649             {
1650                 ep->Up();
1651                 continue;
1652             }
1653             msg_Warn( &sys.demuxer, "EOF" );
1654             return VLC_EGENERIC;
1655         }
1656
1657         /* do parsing */
1658         switch ( i_level )
1659         {
1660         case 1:
1661             if( MKV_IS_ID( el, KaxCluster ) )
1662             {
1663                 cluster = (KaxCluster*)el;
1664                 i_cluster_pos = cluster->GetElementPosition();
1665
1666                 /* add it to the index */
1667                 if( i_index == 0 ||
1668                     ( i_index > 0 && p_indexes[i_index - 1].i_position < (int64_t)cluster->GetElementPosition() ) )
1669                 {
1670                     IndexAppendCluster( cluster );
1671                 }
1672
1673                 // reset silent tracks
1674                 for (size_t i=0; i<tracks.size(); i++)
1675                 {
1676                     tracks[i]->b_silent = VLC_FALSE;
1677                 }
1678
1679                 ep->Down();
1680             }
1681             else if( MKV_IS_ID( el, KaxCues ) )
1682             {
1683                 msg_Warn( &sys.demuxer, "find KaxCues FIXME" );
1684                 return VLC_EGENERIC;
1685             }
1686             else
1687             {
1688                 msg_Dbg( &sys.demuxer, "unknown (%s)", typeid( el ).name() );
1689             }
1690             break;
1691         case 2:
1692             if( MKV_IS_ID( el, KaxClusterTimecode ) )
1693             {
1694                 KaxClusterTimecode &ctc = *(KaxClusterTimecode*)el;
1695
1696                 ctc.ReadData( es.I_O(), SCOPE_ALL_DATA );
1697                 cluster->InitTimecode( uint64( ctc ), i_timescale );
1698             }
1699             else if( MKV_IS_ID( el, KaxClusterSilentTracks ) )
1700             {
1701                 ep->Down();
1702             }
1703             else if( MKV_IS_ID( el, KaxBlockGroup ) )
1704             {
1705                 i_block_pos = el->GetElementPosition();
1706                 ep->Down();
1707             }
1708             break;
1709         case 3:
1710             if( MKV_IS_ID( el, KaxBlock ) )
1711             {
1712                 pp_block = (KaxBlock*)el;
1713
1714                 pp_block->ReadData( es.I_O() );
1715                 pp_block->SetParent( *cluster );
1716
1717                 ep->Keep();
1718             }
1719             else if( MKV_IS_ID( el, KaxBlockDuration ) )
1720             {
1721                 KaxBlockDuration &dur = *(KaxBlockDuration*)el;
1722
1723                 dur.ReadData( es.I_O() );
1724                 *pi_duration = uint64( dur );
1725             }
1726             else if( MKV_IS_ID( el, KaxReferenceBlock ) )
1727             {
1728                 KaxReferenceBlock &ref = *(KaxReferenceBlock*)el;
1729
1730                 ref.ReadData( es.I_O() );
1731                 if( *pi_ref1 == 0 )
1732                 {
1733                     *pi_ref1 = int64( ref ) * cluster->GlobalTimecodeScale();
1734                 }
1735                 else
1736                 {
1737                     *pi_ref2 = int64( ref ) * cluster->GlobalTimecodeScale();
1738                 }
1739             }
1740             else if( MKV_IS_ID( el, KaxClusterSilentTrackNumber ) )
1741             {
1742                 KaxClusterSilentTrackNumber &track_num = *(KaxClusterSilentTrackNumber*)el;
1743                 track_num.ReadData( es.I_O() );
1744                 // find the track
1745                 for (size_t i=0; i<tracks.size(); i++)
1746                 {
1747                     if ( tracks[i]->i_number == uint32(track_num))
1748                     {
1749                         tracks[i]->b_silent = VLC_TRUE;
1750                         break;
1751                     }
1752                 }
1753             }
1754             break;
1755         default:
1756             msg_Err( &sys.demuxer, "invalid level = %d", i_level );
1757             return VLC_EGENERIC;
1758         }
1759     }
1760 }
1761
1762 static block_t *MemToBlock( demux_t *p_demux, uint8_t *p_mem, int i_mem)
1763 {
1764     block_t *p_block;
1765     if( !(p_block = block_New( p_demux, i_mem ) ) ) return NULL;
1766     memcpy( p_block->p_buffer, p_mem, i_mem );
1767     //p_block->i_rate = p_input->stream.control.i_rate;
1768     return p_block;
1769 }
1770
1771 static void BlockDecode( demux_t *p_demux, KaxBlock *block, mtime_t i_pts,
1772                          mtime_t i_duration )
1773 {
1774     demux_sys_t        *p_sys = p_demux->p_sys;
1775     matroska_segment_c *p_segment = p_sys->p_current_segment->Segment();
1776
1777     size_t          i_track;
1778     unsigned int    i;
1779     vlc_bool_t      b;
1780
1781 #define tk  p_segment->tracks[i_track]
1782     for( i_track = 0; i_track < p_segment->tracks.size(); i_track++ )
1783     {
1784         if( tk->i_number == block->TrackNum() )
1785         {
1786             break;
1787         }
1788     }
1789
1790     if( i_track >= p_segment->tracks.size() )
1791     {
1792         msg_Err( p_demux, "invalid track number=%d", block->TrackNum() );
1793         return;
1794     }
1795     if( tk->fmt.i_cat != NAV_ES && tk->p_es == NULL )
1796     {
1797         msg_Err( p_demux, "unknown track number=%d", block->TrackNum() );
1798         return;
1799     }
1800     if( i_pts < p_sys->i_start_pts && tk->fmt.i_cat == AUDIO_ES )
1801     {
1802         return; /* discard audio packets that shouldn't be rendered */
1803     }
1804
1805     if ( tk->fmt.i_cat != NAV_ES )
1806     {
1807         es_out_Control( p_demux->out, ES_OUT_GET_ES_STATE, tk->p_es, &b );
1808
1809         if( !b )
1810         {
1811             tk->b_inited = VLC_FALSE;
1812             return;
1813         }
1814     }
1815
1816
1817     /* First send init data */
1818     if( !tk->b_inited && tk->i_data_init > 0 )
1819     {
1820         block_t *p_init;
1821
1822         msg_Dbg( p_demux, "sending header (%d bytes)", tk->i_data_init );
1823         p_init = MemToBlock( p_demux, tk->p_data_init, tk->i_data_init );
1824         if( p_init ) es_out_Send( p_demux->out, tk->p_es, p_init );
1825     }
1826     tk->b_inited = VLC_TRUE;
1827
1828
1829     for( i = 0; i < block->NumberFrames(); i++ )
1830     {
1831         block_t *p_block;
1832         DataBuffer &data = block->GetBuffer(i);
1833
1834         p_block = MemToBlock( p_demux, data.Buffer(), data.Size() );
1835
1836         if( p_block == NULL )
1837         {
1838             break;
1839         }
1840
1841 #if defined(HAVE_ZLIB_H)
1842         if( tk->i_compression_type )
1843         {
1844             p_block = block_zlib_decompress( VLC_OBJECT(p_demux), p_block );
1845         }
1846 #endif
1847
1848         if ( tk->fmt.i_cat == NAV_ES )
1849         {
1850             // TODO handle the start/stop times of this packet
1851             if ( p_sys->b_ui_hooked )
1852             {
1853                 vlc_mutex_lock( &p_sys->p_ev->lock );
1854                 memcpy( &p_sys->pci_packet, &p_block->p_buffer[1], sizeof(pci_t) );
1855                 p_sys->SwapButtons();
1856                 p_sys->b_pci_packet_set = true;
1857                 vlc_mutex_unlock( &p_sys->p_ev->lock );
1858                 block_Release( p_block );
1859             }
1860             return;
1861         }
1862         // TODO implement correct timestamping when B frames are used
1863         if( tk->fmt.i_cat != VIDEO_ES )
1864         {
1865             p_block->i_dts = p_block->i_pts = i_pts;
1866         }
1867         else
1868         {
1869             p_block->i_pts = i_pts;
1870             p_block->i_dts = p_sys->i_pts;
1871         }
1872
1873         if( strcmp( tk->psz_codec, "S_VOBSUB" ) )
1874         {
1875             p_block->i_length = i_duration * 1000;
1876         }
1877
1878         es_out_Send( p_demux->out, tk->p_es, p_block );
1879
1880         /* use time stamp only for first block */
1881         i_pts = 0;
1882     }
1883
1884 #undef tk
1885 }
1886
1887 matroska_stream_c *demux_sys_t::AnalyseAllSegmentsFound( EbmlStream *p_estream )
1888 {
1889     int i_upper_lvl = 0;
1890     size_t i;
1891     EbmlElement *p_l0, *p_l1, *p_l2;
1892     bool b_keep_stream = false, b_keep_segment;
1893
1894     // verify the EBML Header
1895     p_l0 = p_estream->FindNextID(EbmlHead::ClassInfos, 0xFFFFFFFFL);
1896     if (p_l0 == NULL)
1897     {
1898         return NULL;
1899     }
1900     p_l0->SkipData(*p_estream, EbmlHead_Context);
1901     delete p_l0;
1902
1903     // find all segments in this file
1904     p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFFLL);
1905     if (p_l0 == NULL)
1906     {
1907         return NULL;
1908     }
1909
1910     matroska_stream_c *p_stream1 = new matroska_stream_c( *this );
1911
1912     while (p_l0 != 0)
1913     {
1914         if (EbmlId(*p_l0) == KaxSegment::ClassInfos.GlobalId)
1915         {
1916             EbmlParser  *ep;
1917             matroska_segment_c *p_segment1 = new matroska_segment_c( *this, *p_estream );
1918             b_keep_segment = false;
1919
1920             ep = new EbmlParser(p_estream, p_l0, &demuxer );
1921             p_segment1->ep = ep;
1922             p_segment1->segment = (KaxSegment*)p_l0;
1923
1924             while ((p_l1 = ep->Get()))
1925             {
1926                 if (MKV_IS_ID(p_l1, KaxInfo))
1927                 {
1928                     // find the families of this segment
1929                     KaxInfo *p_info = static_cast<KaxInfo*>(p_l1);
1930
1931                     p_info->Read(*p_estream, KaxInfo::ClassInfos.Context, i_upper_lvl, p_l2, true);
1932                     for( i = 0; i < p_info->ListSize(); i++ )
1933                     {
1934                         EbmlElement *l = (*p_info)[i];
1935
1936                         if( MKV_IS_ID( l, KaxSegmentUID ) )
1937                         {
1938                             KaxSegmentUID *p_uid = static_cast<KaxSegmentUID*>(l);
1939                             b_keep_segment = (FindSegment( *p_uid ) == NULL);
1940                             if ( !b_keep_segment )
1941                                 break; // this segment is already known
1942                             opened_segments.push_back( p_segment1 );
1943                             delete p_segment1->p_segment_uid;
1944                             p_segment1->p_segment_uid = new KaxSegmentUID(*p_uid);
1945                         }
1946                         else if( MKV_IS_ID( l, KaxPrevUID ) )
1947                         {
1948                             p_segment1->p_prev_segment_uid = new KaxPrevUID( *static_cast<KaxPrevUID*>(l) );
1949                         }
1950                         else if( MKV_IS_ID( l, KaxNextUID ) )
1951                         {
1952                             p_segment1->p_next_segment_uid = new KaxNextUID( *static_cast<KaxNextUID*>(l) );
1953                         }
1954                         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
1955                         {
1956                             KaxSegmentFamily *p_fam = new KaxSegmentFamily( *static_cast<KaxSegmentFamily*>(l) );
1957                             p_segment1->families.push_back( *p_fam );
1958                         }
1959                     }
1960                     break;
1961                 }
1962             }
1963             if ( b_keep_segment )
1964             {
1965                 b_keep_stream = true;
1966                 p_stream1->segments.push_back( p_segment1 );
1967             }
1968             else
1969                 delete p_segment1;
1970         }
1971
1972         p_l0->SkipData(*p_estream, EbmlHead_Context);
1973         p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFL);
1974     }
1975
1976     if ( !b_keep_stream )
1977     {
1978         delete p_stream1;
1979         p_stream1 = NULL;
1980     }
1981
1982     return p_stream1;
1983 }
1984
1985 bool matroska_segment_c::Select( mtime_t i_start_time )
1986 {
1987     size_t i_track;
1988
1989     /* add all es */
1990     msg_Dbg( &sys.demuxer, "found %d es", tracks.size() );
1991     sys.b_pci_packet_set = false;
1992
1993     for( i_track = 0; i_track < tracks.size(); i_track++ )
1994     {
1995         if( tracks[i_track]->fmt.i_cat == UNKNOWN_ES )
1996         {
1997             msg_Warn( &sys.demuxer, "invalid track[%d, n=%d]", i_track, tracks[i_track]->i_number );
1998             tracks[i_track]->p_es = NULL;
1999             continue;
2000         }
2001
2002         if( !strcmp( tracks[i_track]->psz_codec, "V_MS/VFW/FOURCC" ) )
2003         {
2004             if( tracks[i_track]->i_extra_data < (int)sizeof( BITMAPINFOHEADER ) )
2005             {
2006                 msg_Err( &sys.demuxer, "missing/invalid BITMAPINFOHEADER" );
2007                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2008             }
2009             else
2010             {
2011                 BITMAPINFOHEADER *p_bih = (BITMAPINFOHEADER*)tracks[i_track]->p_extra_data;
2012
2013                 tracks[i_track]->fmt.video.i_width = GetDWLE( &p_bih->biWidth );
2014                 tracks[i_track]->fmt.video.i_height= GetDWLE( &p_bih->biHeight );
2015                 tracks[i_track]->fmt.i_codec       = GetFOURCC( &p_bih->biCompression );
2016
2017                 tracks[i_track]->fmt.i_extra       = GetDWLE( &p_bih->biSize ) - sizeof( BITMAPINFOHEADER );
2018                 if( tracks[i_track]->fmt.i_extra > 0 )
2019                 {
2020                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2021                     memcpy( tracks[i_track]->fmt.p_extra, &p_bih[1], tracks[i_track]->fmt.i_extra );
2022                 }
2023             }
2024         }
2025         else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG1" ) ||
2026                  !strcmp( tracks[i_track]->psz_codec, "V_MPEG2" ) )
2027         {
2028             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'v' );
2029         }
2030         else if( !strncmp( tracks[i_track]->psz_codec, "V_MPEG4", 7 ) )
2031         {
2032             if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/MS/V3" ) )
2033             {
2034                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'D', 'I', 'V', '3' );
2035             }
2036             else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/ISO/AVC" ) )
2037             {
2038                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'v', 'c', '1' );
2039                 tracks[i_track]->fmt.b_packetized = VLC_FALSE;
2040                 tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2041                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2042                 memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2043             }
2044             else
2045             {
2046                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' );
2047             }
2048         }
2049         else if( !strcmp( tracks[i_track]->psz_codec, "V_QUICKTIME" ) )
2050         {
2051             MP4_Box_t *p_box = (MP4_Box_t*)malloc( sizeof( MP4_Box_t ) );
2052             stream_t *p_mp4_stream = stream_MemoryNew( VLC_OBJECT(&sys.demuxer),
2053                                                        tracks[i_track]->p_extra_data,
2054                                                        tracks[i_track]->i_extra_data,
2055                                                        VLC_FALSE );
2056             MP4_ReadBoxCommon( p_mp4_stream, p_box );
2057             MP4_ReadBox_sample_vide( p_mp4_stream, p_box );
2058             tracks[i_track]->fmt.i_codec = p_box->i_type;
2059             tracks[i_track]->fmt.video.i_width = p_box->data.p_sample_vide->i_width;
2060             tracks[i_track]->fmt.video.i_height = p_box->data.p_sample_vide->i_height;
2061             tracks[i_track]->fmt.i_extra = p_box->data.p_sample_vide->i_qt_image_description;
2062             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2063             memcpy( tracks[i_track]->fmt.p_extra, p_box->data.p_sample_vide->p_qt_image_description, tracks[i_track]->fmt.i_extra );
2064             MP4_FreeBox_sample_vide( p_box );
2065             stream_Delete( p_mp4_stream );
2066         }
2067         else if( !strcmp( tracks[i_track]->psz_codec, "A_MS/ACM" ) )
2068         {
2069             if( tracks[i_track]->i_extra_data < (int)sizeof( WAVEFORMATEX ) )
2070             {
2071                 msg_Err( &sys.demuxer, "missing/invalid WAVEFORMATEX" );
2072                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2073             }
2074             else
2075             {
2076                 WAVEFORMATEX *p_wf = (WAVEFORMATEX*)tracks[i_track]->p_extra_data;
2077
2078                 wf_tag_to_fourcc( GetWLE( &p_wf->wFormatTag ), &tracks[i_track]->fmt.i_codec, NULL );
2079
2080                 tracks[i_track]->fmt.audio.i_channels   = GetWLE( &p_wf->nChannels );
2081                 tracks[i_track]->fmt.audio.i_rate = GetDWLE( &p_wf->nSamplesPerSec );
2082                 tracks[i_track]->fmt.i_bitrate    = GetDWLE( &p_wf->nAvgBytesPerSec ) * 8;
2083                 tracks[i_track]->fmt.audio.i_blockalign = GetWLE( &p_wf->nBlockAlign );;
2084                 tracks[i_track]->fmt.audio.i_bitspersample = GetWLE( &p_wf->wBitsPerSample );
2085
2086                 tracks[i_track]->fmt.i_extra            = GetWLE( &p_wf->cbSize );
2087                 if( tracks[i_track]->fmt.i_extra > 0 )
2088                 {
2089                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2090                     memcpy( tracks[i_track]->fmt.p_extra, &p_wf[1], tracks[i_track]->fmt.i_extra );
2091                 }
2092             }
2093         }
2094         else if( !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L3" ) ||
2095                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L2" ) ||
2096                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L1" ) )
2097         {
2098             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' );
2099         }
2100         else if( !strcmp( tracks[i_track]->psz_codec, "A_AC3" ) )
2101         {
2102             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' );
2103         }
2104         else if( !strcmp( tracks[i_track]->psz_codec, "A_DTS" ) )
2105         {
2106             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'd', 't', 's', ' ' );
2107         }
2108         else if( !strcmp( tracks[i_track]->psz_codec, "A_FLAC" ) )
2109         {
2110             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'f', 'l', 'a', 'c' );
2111             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2112             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2113             memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2114         }
2115         else if( !strcmp( tracks[i_track]->psz_codec, "A_VORBIS" ) )
2116         {
2117             int i, i_offset = 1, i_size[3], i_extra;
2118             uint8_t *p_extra;
2119
2120             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'v', 'o', 'r', 'b' );
2121
2122             /* Split the 3 headers */
2123             if( tracks[i_track]->p_extra_data[0] != 0x02 )
2124                 msg_Err( &sys.demuxer, "invalid vorbis header" );
2125
2126             for( i = 0; i < 2; i++ )
2127             {
2128                 i_size[i] = 0;
2129                 while( i_offset < tracks[i_track]->i_extra_data )
2130                 {
2131                     i_size[i] += tracks[i_track]->p_extra_data[i_offset];
2132                     if( tracks[i_track]->p_extra_data[i_offset++] != 0xff ) break;
2133                 }
2134             }
2135
2136             i_size[0] = __MIN(i_size[0], tracks[i_track]->i_extra_data - i_offset);
2137             i_size[1] = __MIN(i_size[1], tracks[i_track]->i_extra_data -i_offset -i_size[0]);
2138             i_size[2] = tracks[i_track]->i_extra_data - i_offset - i_size[0] - i_size[1];
2139
2140             tracks[i_track]->fmt.i_extra = 3 * 2 + i_size[0] + i_size[1] + i_size[2];
2141             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2142             p_extra = (uint8_t *)tracks[i_track]->fmt.p_extra; i_extra = 0;
2143             for( i = 0; i < 3; i++ )
2144             {
2145                 *(p_extra++) = i_size[i] >> 8;
2146                 *(p_extra++) = i_size[i] & 0xFF;
2147                 memcpy( p_extra, tracks[i_track]->p_extra_data + i_offset + i_extra,
2148                         i_size[i] );
2149                 p_extra += i_size[i];
2150                 i_extra += i_size[i];
2151             }
2152         }
2153         else if( !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG2/", strlen( "A_AAC/MPEG2/" ) ) ||
2154                  !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG4/", strlen( "A_AAC/MPEG4/" ) ) )
2155         {
2156             int i_profile, i_srate;
2157             static unsigned int i_sample_rates[] =
2158             {
2159                     96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050,
2160                         16000, 12000, 11025, 8000,  7350,  0,     0,     0
2161             };
2162
2163             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
2164             /* create data for faad (MP4DecSpecificDescrTag)*/
2165
2166             if( !strcmp( &tracks[i_track]->psz_codec[12], "MAIN" ) )
2167             {
2168                 i_profile = 0;
2169             }
2170             else if( !strcmp( &tracks[i_track]->psz_codec[12], "LC" ) )
2171             {
2172                 i_profile = 1;
2173             }
2174             else if( !strcmp( &tracks[i_track]->psz_codec[12], "SSR" ) )
2175             {
2176                 i_profile = 2;
2177             }
2178             else
2179             {
2180                 i_profile = 3;
2181             }
2182
2183             for( i_srate = 0; i_srate < 13; i_srate++ )
2184             {
2185                 if( i_sample_rates[i_srate] == tracks[i_track]->fmt.audio.i_rate )
2186                 {
2187                     break;
2188                 }
2189             }
2190             msg_Dbg( &sys.demuxer, "profile=%d srate=%d", i_profile, i_srate );
2191
2192             tracks[i_track]->fmt.i_extra = 2;
2193             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2194             ((uint8_t*)tracks[i_track]->fmt.p_extra)[0] = ((i_profile + 1) << 3) | ((i_srate&0xe) >> 1);
2195             ((uint8_t*)tracks[i_track]->fmt.p_extra)[1] = ((i_srate & 0x1) << 7) | (tracks[i_track]->fmt.audio.i_channels << 3);
2196         }
2197         else if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) ||
2198                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/LIT" ) ||
2199                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/FLOAT/IEEE" ) )
2200         {
2201             if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) )
2202             {
2203                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
2204             }
2205             else
2206             {
2207                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
2208             }
2209             tracks[i_track]->fmt.audio.i_blockalign = ( tracks[i_track]->fmt.audio.i_bitspersample + 7 ) / 8 * tracks[i_track]->fmt.audio.i_channels;
2210         }
2211         else if( !strcmp( tracks[i_track]->psz_codec, "A_TTA1" ) )
2212         {
2213             /* FIXME: support this codec */
2214             msg_Err( &sys.demuxer, "TTA not supported yet[%d, n=%d]", i_track, tracks[i_track]->i_number );
2215             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2216         }
2217         else if( !strcmp( tracks[i_track]->psz_codec, "A_WAVPACK4" ) )
2218         {
2219             /* FIXME: support this codec */
2220             msg_Err( &sys.demuxer, "Wavpack not supported yet[%d, n=%d]", i_track, tracks[i_track]->i_number );
2221             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2222         }
2223         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/UTF8" ) )
2224         {
2225             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 'u', 'b', 't' );
2226             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2227         }
2228         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/SSA" ) ||
2229                  !strcmp( tracks[i_track]->psz_codec, "S_TEXT/ASS" ) ||
2230                  !strcmp( tracks[i_track]->psz_codec, "S_SSA" ) ||
2231                  !strcmp( tracks[i_track]->psz_codec, "S_ASS" ))
2232         {
2233             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 's', 'a', ' ' );
2234             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2235         }
2236         else if( !strcmp( tracks[i_track]->psz_codec, "S_VOBSUB" ) )
2237         {
2238             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's','p','u',' ' );
2239             if( tracks[i_track]->i_extra_data )
2240             {
2241                 char *p_start;
2242                 char *p_buf = (char *)malloc( tracks[i_track]->i_extra_data + 1);
2243                 memcpy( p_buf, tracks[i_track]->p_extra_data , tracks[i_track]->i_extra_data );
2244                 p_buf[tracks[i_track]->i_extra_data] = '\0';
2245
2246                 p_start = strstr( p_buf, "size:" );
2247                 if( sscanf( p_start, "size: %dx%d",
2248                         &tracks[i_track]->fmt.subs.spu.i_original_frame_width, &tracks[i_track]->fmt.subs.spu.i_original_frame_height ) == 2 )
2249                 {
2250                     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 );
2251                 }
2252                 else
2253                 {
2254                     msg_Warn( &sys.demuxer, "reading original frame size for vobsub failed" );
2255                 }
2256                 free( p_buf );
2257             }
2258         }
2259         else if( !strcmp( tracks[i_track]->psz_codec, "B_VOBBTN" ) )
2260         {
2261             tracks[i_track]->fmt.i_cat = NAV_ES;
2262             continue;
2263         }
2264         else
2265         {
2266             msg_Err( &sys.demuxer, "unknow codec id=`%s'", tracks[i_track]->psz_codec );
2267             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2268         }
2269         if( tracks[i_track]->b_default )
2270         {
2271             tracks[i_track]->fmt.i_priority = 1000;
2272         }
2273
2274         tracks[i_track]->p_es = es_out_Add( sys.demuxer.out, &tracks[i_track]->fmt );
2275
2276         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_start_time );
2277     }
2278
2279     sys.i_start_pts = i_start_time;
2280     // reset the stream reading to the first cluster of the segment used
2281     es.I_O().setFilePointer( i_start_pos );
2282
2283     delete ep;
2284     ep = new EbmlParser( &es, segment, &sys.demuxer );
2285
2286     return true;
2287 }
2288
2289 void demux_sys_t::StartUiThread()
2290 {
2291     if ( !b_ui_hooked )
2292     {
2293         msg_Dbg( &demuxer, "Starting the UI Hook" );
2294         b_ui_hooked = true;
2295         /* FIXME hack hack hack hack FIXME */
2296         /* Get p_input and create variable */
2297         p_input = (input_thread_t *) vlc_object_find( &demuxer, VLC_OBJECT_INPUT, FIND_PARENT );
2298         var_Create( p_input, "x-start", VLC_VAR_INTEGER );
2299         var_Create( p_input, "y-start", VLC_VAR_INTEGER );
2300         var_Create( p_input, "x-end", VLC_VAR_INTEGER );
2301         var_Create( p_input, "y-end", VLC_VAR_INTEGER );
2302         var_Create( p_input, "color", VLC_VAR_ADDRESS );
2303         var_Create( p_input, "menu-contrast", VLC_VAR_ADDRESS );
2304         var_Create( p_input, "highlight", VLC_VAR_BOOL );
2305         var_Create( p_input, "highlight-mutex", VLC_VAR_MUTEX );
2306
2307         /* Now create our event thread catcher */
2308         p_ev = (event_thread_t *) vlc_object_create( &demuxer, sizeof( event_thread_t ) );
2309         p_ev->p_demux = &demuxer;
2310         p_ev->b_die = VLC_FALSE;
2311         vlc_mutex_init( p_ev, &p_ev->lock );
2312         vlc_thread_create( p_ev, "mkv event thread handler", EventThread,
2313                         VLC_THREAD_PRIORITY_LOW, VLC_FALSE );
2314     }
2315 }
2316
2317 void demux_sys_t::StopUiThread()
2318 {
2319     if ( b_ui_hooked )
2320     {
2321         p_ev->b_die = VLC_TRUE;
2322
2323         vlc_thread_join( p_ev );
2324         vlc_object_destroy( p_ev );
2325
2326         p_ev = NULL;
2327
2328         var_Destroy( p_input, "highlight-mutex" );
2329         var_Destroy( p_input, "highlight" );
2330         var_Destroy( p_input, "x-start" );
2331         var_Destroy( p_input, "x-end" );
2332         var_Destroy( p_input, "y-start" );
2333         var_Destroy( p_input, "y-end" );
2334         var_Destroy( p_input, "color" );
2335         var_Destroy( p_input, "menu-contrast" );
2336
2337         msg_Dbg( &demuxer, "Stopping the UI Hook" );
2338     }
2339     b_ui_hooked = false;
2340 }
2341
2342 int demux_sys_t::EventMouse( vlc_object_t *p_this, char const *psz_var,
2343                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
2344 {
2345     event_thread_t *p_ev = (event_thread_t *) p_data;
2346     vlc_mutex_lock( &p_ev->lock );
2347     if( psz_var[6] == 'c' )
2348         p_ev->b_clicked = VLC_TRUE;
2349     else if( psz_var[6] == 'm' )
2350         p_ev->b_moved = VLC_TRUE;
2351     vlc_mutex_unlock( &p_ev->lock );
2352
2353     return VLC_SUCCESS;
2354 }
2355
2356 int demux_sys_t::EventKey( vlc_object_t *p_this, char const *psz_var,
2357                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
2358 {
2359     event_thread_t *p_ev = (event_thread_t *) p_data;
2360     vlc_mutex_lock( &p_ev->lock );
2361     p_ev->b_key = VLC_TRUE;
2362     vlc_mutex_unlock( &p_ev->lock );
2363
2364     return VLC_SUCCESS;
2365 }
2366
2367 int demux_sys_t::EventThread( vlc_object_t *p_this )
2368 {
2369     event_thread_t *p_ev = (event_thread_t*)p_this;
2370     demux_sys_t    *p_sys = p_ev->p_demux->p_sys;
2371     vlc_object_t   *p_vout = NULL;
2372
2373     p_ev->b_moved   = VLC_FALSE;
2374     p_ev->b_clicked = VLC_FALSE;
2375     p_ev->b_key     = VLC_FALSE;
2376
2377     /* catch all key event */
2378     var_AddCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2379
2380     /* main loop */
2381     while( !p_ev->b_die )
2382     {
2383         if ( !p_sys->b_pci_packet_set )
2384         {
2385             /* Wait 100ms */
2386             msleep( 100000 );
2387             continue;
2388         }
2389
2390         vlc_bool_t b_activated = VLC_FALSE;
2391
2392         /* KEY part */
2393         if( p_ev->b_key )
2394         {
2395             vlc_value_t valk;
2396             struct vlc_t::hotkey *p_hotkeys = p_ev->p_vlc->p_hotkeys;
2397             int i, i_action = -1;
2398
2399             vlc_mutex_lock( &p_ev->lock );
2400
2401             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2402
2403             var_Get( p_ev->p_vlc, "key-pressed", &valk );
2404             for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
2405             {
2406                 if( p_hotkeys[i].i_key == valk.i_int )
2407                 {
2408                     i_action = p_hotkeys[i].i_action;
2409                 }
2410             }
2411
2412             uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2413
2414             switch( i_action )
2415             {
2416             case ACTIONID_NAV_LEFT:
2417                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2418                 {
2419                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2420                     if ( p_button_ptr->left > 0 && p_button_ptr->left <= pci->hli.hl_gi.btn_ns )
2421                     {
2422                         i_curr_button = p_button_ptr->left;
2423                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2424                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2425                         if ( button_ptr.auto_action_mode )
2426                         {
2427                             vlc_mutex_unlock( &p_ev->lock );
2428                             vlc_mutex_lock( &p_sys->lock_demuxer );
2429
2430                             // process the button action
2431                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2432
2433                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2434                             vlc_mutex_lock( &p_ev->lock );
2435                         }
2436                     }
2437                 }
2438                 break;
2439             case ACTIONID_NAV_RIGHT:
2440                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2441                 {
2442                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2443                     if ( p_button_ptr->right > 0 && p_button_ptr->right <= pci->hli.hl_gi.btn_ns )
2444                     {
2445                         i_curr_button = p_button_ptr->right;
2446                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2447                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2448                         if ( button_ptr.auto_action_mode )
2449                         {
2450                             vlc_mutex_unlock( &p_ev->lock );
2451                             vlc_mutex_lock( &p_sys->lock_demuxer );
2452
2453                             // process the button action
2454                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2455
2456                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2457                             vlc_mutex_lock( &p_ev->lock );
2458                         }
2459                     }
2460                 }
2461                 break;
2462             case ACTIONID_NAV_UP:
2463                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2464                 {
2465                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2466                     if ( p_button_ptr->up > 0 && p_button_ptr->up <= pci->hli.hl_gi.btn_ns )
2467                     {
2468                         i_curr_button = p_button_ptr->up;
2469                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2470                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2471                         if ( button_ptr.auto_action_mode )
2472                         {
2473                             vlc_mutex_unlock( &p_ev->lock );
2474                             vlc_mutex_lock( &p_sys->lock_demuxer );
2475
2476                             // process the button action
2477                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2478
2479                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2480                             vlc_mutex_lock( &p_ev->lock );
2481                         }
2482                     }
2483                 }
2484                 break;
2485             case ACTIONID_NAV_DOWN:
2486                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2487                 {
2488                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2489                     if ( p_button_ptr->down > 0 && p_button_ptr->down <= pci->hli.hl_gi.btn_ns )
2490                     {
2491                         i_curr_button = p_button_ptr->down;
2492                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2493                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2494                         if ( button_ptr.auto_action_mode )
2495                         {
2496                             vlc_mutex_unlock( &p_ev->lock );
2497                             vlc_mutex_lock( &p_sys->lock_demuxer );
2498
2499                             // process the button action
2500                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2501
2502                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2503                             vlc_mutex_lock( &p_ev->lock );
2504                         }
2505                     }
2506                 }
2507                 break;
2508             case ACTIONID_NAV_ACTIVATE:
2509                 b_activated = VLC_TRUE;
2510
2511                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2512                 {
2513                     btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2514
2515                     vlc_mutex_unlock( &p_ev->lock );
2516                     vlc_mutex_lock( &p_sys->lock_demuxer );
2517
2518                     // process the button action
2519                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2520
2521                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2522                     vlc_mutex_lock( &p_ev->lock );
2523                 }
2524                 break;
2525             default:
2526                 break;
2527             }
2528             p_ev->b_key = VLC_FALSE;
2529             vlc_mutex_unlock( &p_ev->lock );
2530         }
2531
2532         /* MOUSE part */
2533         if( p_vout && ( p_ev->b_moved || p_ev->b_clicked ) )
2534         {
2535             vlc_value_t valx, valy;
2536
2537             vlc_mutex_lock( &p_ev->lock );
2538             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2539             var_Get( p_vout, "mouse-x", &valx );
2540             var_Get( p_vout, "mouse-y", &valy );
2541
2542             if( p_ev->b_clicked )
2543             {
2544                 int32_t button;
2545                 int32_t best,dist,d;
2546                 int32_t mx,my,dx,dy;
2547
2548                 b_activated = VLC_TRUE;
2549                 // get current button
2550                 best = 0;
2551                 dist = 0x08000000; /* >> than  (720*720)+(567*567); */
2552                 for(button = 1; button <= pci->hli.hl_gi.btn_ns; button++)
2553                 {
2554                     btni_t *button_ptr = &(pci->hli.btnit[button-1]);
2555
2556                     if((valx.i_int >= button_ptr->x_start) && (valx.i_int <= button_ptr->x_end) &&
2557                        (valy.i_int >= button_ptr->y_start) && (valy.i_int <= button_ptr->y_end))
2558                     {
2559                         mx = (button_ptr->x_start + button_ptr->x_end)/2;
2560                         my = (button_ptr->y_start + button_ptr->y_end)/2;
2561                         dx = mx - valx.i_int;
2562                         dy = my - valy.i_int;
2563                         d = (dx*dx) + (dy*dy);
2564                         /* If the mouse is within the button and the mouse is closer
2565                         * to the center of this button then it is the best choice. */
2566                         if(d < dist) {
2567                             dist = d;
2568                             best = button;
2569                         }
2570                     }
2571                 }
2572
2573                 if ( best != 0)
2574                 {
2575                     btni_t button_ptr = pci->hli.btnit[best-1];
2576                     uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2577
2578                     msg_Dbg( &p_sys->demuxer, "Clicked button %d", best );
2579                     vlc_mutex_unlock( &p_ev->lock );
2580                     vlc_mutex_lock( &p_sys->lock_demuxer );
2581
2582                     // process the button action
2583                     p_sys->dvd_interpretor.SetSPRM( 0x88, best );
2584                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2585
2586                     msg_Dbg( &p_sys->demuxer, "Processed button %d", best );
2587
2588                     // select new button
2589                     if ( best != i_curr_button )
2590                     {
2591                         vlc_value_t val;
2592
2593                         if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
2594                         {
2595                             vlc_mutex_t *p_mutex = (vlc_mutex_t *) val.p_address;
2596                             uint32_t i_palette;
2597
2598                             if(button_ptr.btn_coln != 0) {
2599                                 i_palette = pci->hli.btn_colit.btn_coli[button_ptr.btn_coln-1][1];
2600                             } else {
2601                                 i_palette = 0;
2602                             }
2603                             p_sys->alpha[0] = i_palette      & 0x0f;
2604                             p_sys->alpha[1] = (i_palette>>4) & 0x0f;
2605                             p_sys->alpha[2] = (i_palette>>8) & 0x0f;
2606                             p_sys->alpha[3] = (i_palette>>12)& 0x0f;
2607
2608                             vlc_mutex_lock( p_mutex );
2609                             val.i_int = button_ptr.x_start; var_Set( p_sys->p_input, "x-start", val );
2610                             val.i_int = button_ptr.x_end;   var_Set( p_sys->p_input, "x-end",   val );
2611                             val.i_int = button_ptr.y_start; var_Set( p_sys->p_input, "y-start", val );
2612                             val.i_int = button_ptr.y_end;   var_Set( p_sys->p_input, "y-end",   val );
2613
2614                             val.p_address = (void *)p_sys->alpha;
2615                             var_Set( p_sys->p_input, "menu-contrast", val );
2616
2617                             val.b_bool = VLC_TRUE; var_Set( p_sys->p_input, "highlight", val );
2618                             vlc_mutex_unlock( p_mutex );
2619                         }
2620                     }
2621                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2622                     vlc_mutex_lock( &p_ev->lock );
2623                 }
2624             }
2625             else if( p_ev->b_moved )
2626             {
2627 //                dvdnav_mouse_select( NULL, pci, valx.i_int, valy.i_int );
2628             }
2629
2630             p_ev->b_moved = VLC_FALSE;
2631             p_ev->b_clicked = VLC_FALSE;
2632             vlc_mutex_unlock( &p_ev->lock );
2633         }
2634
2635         /* VOUT part */
2636         if( p_vout && p_vout->b_die )
2637         {
2638             var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2639             var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2640             vlc_object_release( p_vout );
2641             p_vout = NULL;
2642         }
2643
2644         else if( p_vout == NULL )
2645         {
2646             p_vout = (vlc_object_t*) vlc_object_find( p_sys->p_input, VLC_OBJECT_VOUT,
2647                                       FIND_CHILD );
2648             if( p_vout)
2649             {
2650                 var_AddCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2651                 var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2652             }
2653         }
2654
2655         /* Wait a bit, 10ms */
2656         msleep( 10000 );
2657     }
2658
2659     /* Release callback */
2660     if( p_vout )
2661     {
2662         var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2663         var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2664         vlc_object_release( p_vout );
2665     }
2666     var_DelCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2667
2668     vlc_mutex_destroy( &p_ev->lock );
2669
2670     return VLC_SUCCESS;
2671 }
2672
2673 void matroska_segment_c::UnSelect( )
2674 {
2675     size_t i_track;
2676
2677     for( i_track = 0; i_track < tracks.size(); i_track++ )
2678     {
2679         if ( tracks[i_track]->p_es != NULL )
2680         {
2681 //            es_format_Clean( &tracks[i_track]->fmt );
2682             es_out_Del( sys.demuxer.out, tracks[i_track]->p_es );
2683             tracks[i_track]->p_es = NULL;
2684         }
2685     }
2686     delete ep;
2687     ep = NULL;
2688 }
2689
2690 void virtual_segment_c::PrepareChapters( )
2691 {
2692     if ( linked_segments.size() == 0 )
2693         return;
2694
2695     // !!! should be called only once !!!
2696     matroska_segment_c *p_segment;
2697     size_t i, j;
2698
2699     // copy editions from the first segment
2700     p_segment = linked_segments[0];
2701     p_editions = &p_segment->stored_editions;
2702
2703     for ( i=1 ; i<linked_segments.size(); i++ )
2704     {
2705         p_segment = linked_segments[i];
2706         // FIXME assume we have the same editions in all segments
2707         for (j=0; j<p_segment->stored_editions.size(); j++)
2708             (*p_editions)[j]->Append( *p_segment->stored_editions[j] );
2709     }
2710 }
2711
2712 std::string chapter_edition_c::GetMainName() const
2713 {
2714     if ( sub_chapters.size() )
2715     {
2716         return sub_chapters[0]->GetCodecName( true );
2717     }
2718     return "";
2719 }
2720
2721 int chapter_item_c::PublishChapters( input_title_t & title, int & i_user_chapters, int i_level )
2722 {
2723     // add support for meta-elements from codec like DVD Titles
2724     if ( !b_display_seekpoint || psz_name == "" )
2725     {
2726         psz_name = GetCodecName();
2727         if ( psz_name != "" )
2728             b_display_seekpoint = true;
2729     }
2730
2731     if (b_display_seekpoint)
2732     {
2733         seekpoint_t *sk = vlc_seekpoint_New();
2734
2735         sk->i_level = i_level;
2736         sk->i_time_offset = i_start_time;
2737         sk->psz_name = strdup( psz_name.c_str() );
2738
2739         // A start time of '0' is ok. A missing ChapterTime element is ok, too, because '0' is its default value.
2740         title.i_seekpoint++;
2741         title.seekpoint = (seekpoint_t**)realloc( title.seekpoint, title.i_seekpoint * sizeof( seekpoint_t* ) );
2742         title.seekpoint[title.i_seekpoint-1] = sk;
2743
2744         if ( b_user_display )
2745             i_user_chapters++;
2746     }
2747
2748     for ( size_t i=0; i<sub_chapters.size() ; i++)
2749     {
2750         sub_chapters[i]->PublishChapters( title, i_user_chapters, i_level+1 );
2751     }
2752
2753     i_seekpoint_num = i_user_chapters;
2754
2755     return i_user_chapters;
2756 }
2757
2758 bool virtual_segment_c::UpdateCurrentToChapter( demux_t & demux )
2759 {
2760     demux_sys_t & sys = *demux.p_sys;
2761     chapter_item_c *psz_curr_chapter;
2762     bool b_has_seeked = false;
2763
2764     /* update current chapter/seekpoint */
2765     if ( p_editions->size() )
2766     {
2767         /* 1st, we need to know in which chapter we are */
2768         psz_curr_chapter = (*p_editions)[i_current_edition]->FindTimecode( sys.i_pts, psz_current_chapter );
2769
2770         /* we have moved to a new chapter */
2771         if (psz_curr_chapter != NULL && psz_current_chapter != psz_curr_chapter)
2772         {
2773             if ( (*p_editions)[i_current_edition]->b_ordered )
2774             {
2775                 // Leave/Enter up to the link point
2776                 b_has_seeked = psz_curr_chapter->EnterAndLeave( psz_current_chapter );
2777                 if ( !b_has_seeked )
2778                 {
2779                     // only physically seek if necessary
2780                     if ( psz_current_chapter == NULL || (psz_current_chapter->i_end_time != psz_curr_chapter->i_start_time) )
2781                         Seek( demux, sys.i_pts, 0, psz_curr_chapter );
2782                 }
2783             }
2784
2785             if ( !b_has_seeked )
2786             {
2787                 psz_current_chapter = psz_curr_chapter;
2788                 if ( psz_curr_chapter->i_seekpoint_num > 0 )
2789                 {
2790                     demux.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
2791                     demux.info.i_title = sys.i_current_title = i_sys_title;
2792                     demux.info.i_seekpoint = psz_curr_chapter->i_seekpoint_num - 1;
2793                 }
2794             }
2795
2796             return true;
2797         }
2798         else if (psz_curr_chapter == NULL)
2799         {
2800             // out of the scope of the data described by chapters, leave the edition
2801             if ( (*p_editions)[i_current_edition]->b_ordered && psz_current_chapter != NULL )
2802             {
2803                 if ( !(*p_editions)[i_current_edition]->EnterAndLeave( psz_current_chapter, false ) )
2804                     psz_current_chapter = NULL;
2805                 else
2806                     return true;
2807             }
2808         }
2809     }
2810     return false;
2811 }
2812
2813 chapter_item_c *virtual_segment_c::BrowseCodecPrivate( unsigned int codec_id,
2814                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
2815                                     const void *p_cookie,
2816                                     size_t i_cookie_size )
2817 {
2818     // FIXME don't assume it is the first edition
2819     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
2820     if ( index != p_editions->end() )
2821     {
2822         chapter_item_c *p_result = (*index)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
2823         if ( p_result != NULL )
2824             return p_result;
2825     }
2826     return NULL;
2827 }
2828
2829 chapter_item_c *virtual_segment_c::FindChapter( int64_t i_find_uid )
2830 {
2831     // FIXME don't assume it is the first edition
2832     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
2833     if ( index != p_editions->end() )
2834     {
2835         chapter_item_c *p_result = (*index)->FindChapter( i_find_uid );
2836         if ( p_result != NULL )
2837             return p_result;
2838     }
2839     return NULL;
2840 }
2841
2842 chapter_item_c *chapter_item_c::BrowseCodecPrivate( unsigned int codec_id,
2843                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
2844                                     const void *p_cookie,
2845                                     size_t i_cookie_size )
2846 {
2847     // this chapter
2848     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2849     while ( index != codecs.end() )
2850     {
2851         if ( match( **index ,p_cookie, i_cookie_size ) )
2852             return this;
2853         index++;
2854     }
2855
2856     // sub-chapters
2857     chapter_item_c *p_result = NULL;
2858     std::vector<chapter_item_c*>::const_iterator index2 = sub_chapters.begin();
2859     while ( index2 != sub_chapters.end() )
2860     {
2861         p_result = (*index2)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
2862         if ( p_result != NULL )
2863             return p_result;
2864         index2++;
2865     }
2866
2867     return p_result;
2868 }
2869
2870 void chapter_item_c::Append( const chapter_item_c & chapter )
2871 {
2872     // we are appending content for the same chapter UID
2873     size_t i;
2874     chapter_item_c *p_chapter;
2875
2876     for ( i=0; i<chapter.sub_chapters.size(); i++ )
2877     {
2878         p_chapter = FindChapter( chapter.sub_chapters[i]->i_uid );
2879         if ( p_chapter != NULL )
2880         {
2881             p_chapter->Append( *chapter.sub_chapters[i] );
2882         }
2883         else
2884         {
2885             sub_chapters.push_back( chapter.sub_chapters[i] );
2886         }
2887     }
2888
2889     i_user_start_time = min( i_user_start_time, chapter.i_user_start_time );
2890     i_user_end_time = max( i_user_end_time, chapter.i_user_end_time );
2891 }
2892
2893 chapter_item_c * chapter_item_c::FindChapter( int64_t i_find_uid )
2894 {
2895     size_t i;
2896     chapter_item_c *p_result = NULL;
2897
2898     if ( i_uid == i_find_uid )
2899         return this;
2900
2901     for ( i=0; i<sub_chapters.size(); i++)
2902     {
2903         p_result = sub_chapters[i]->FindChapter( i_find_uid );
2904         if ( p_result != NULL )
2905             break;
2906     }
2907     return p_result;
2908 }
2909
2910 std::string chapter_item_c::GetCodecName( bool f_for_title ) const
2911 {
2912     std::string result;
2913
2914     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2915     while ( index != codecs.end() )
2916     {
2917         result = (*index)->GetCodecName( f_for_title );
2918         if ( result != "" )
2919             break;
2920         index++;
2921     }
2922
2923     return result;
2924 }
2925
2926 std::string dvd_chapter_codec_c::GetCodecName( bool f_for_title ) const
2927 {
2928     std::string result;
2929     if ( p_private_data->GetSize() >= 3)
2930     {
2931         const binary* p_data = p_private_data->GetBuffer();
2932 /*        if ( p_data[0] == MATROSKA_DVD_LEVEL_TT )
2933         {
2934             uint16_t i_title = (p_data[1] << 8) + p_data[2];
2935             char psz_str[11];
2936             sprintf( psz_str, " %d  ---", i_title );
2937             result = N_("---  DVD Title");
2938             result += psz_str;
2939         }
2940         else */ if ( p_data[0] == MATROSKA_DVD_LEVEL_LU )
2941         {
2942             char psz_str[11];
2943             sprintf( psz_str, " (%c%c)  ---", p_data[1], p_data[2] );
2944             result = N_("---  DVD Menu");
2945             result += psz_str;
2946         }
2947         else if ( p_data[0] == MATROSKA_DVD_LEVEL_SS && f_for_title )
2948         {
2949             if ( p_data[1] == 0x00 )
2950                 result = N_("First Played");
2951             else if ( p_data[1] == 0xC0 )
2952                 result = N_("Video Manager");
2953             else if ( p_data[1] == 0x80 )
2954             {
2955                 uint16_t i_title = (p_data[2] << 8) + p_data[3];
2956                 char psz_str[20];
2957                 sprintf( psz_str, " %d -----", i_title );
2958                 result = N_("----- Title");
2959                 result += psz_str;
2960             }
2961         }
2962     }
2963
2964     return result;
2965 }
2966
2967 int16 chapter_item_c::GetTitleNumber( ) const
2968 {
2969     int result = -1;
2970
2971     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2972     while ( index != codecs.end() )
2973     {
2974         result = (*index)->GetTitleNumber( );
2975         if ( result >= 0 )
2976             break;
2977         index++;
2978     }
2979
2980     return result;
2981 }
2982
2983 int16 dvd_chapter_codec_c::GetTitleNumber()
2984 {
2985     if ( p_private_data->GetSize() >= 3)
2986     {
2987         const binary* p_data = p_private_data->GetBuffer();
2988         if ( p_data[0] == MATROSKA_DVD_LEVEL_SS )
2989         {
2990             return int16( (p_data[2] << 8) + p_data[3] );
2991         }
2992     }
2993     return -1;
2994 }
2995
2996 static void Seek( demux_t *p_demux, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter )
2997 {
2998     demux_sys_t        *p_sys = p_demux->p_sys;
2999     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3000     matroska_segment_c *p_segment = p_vsegment->Segment();
3001     mtime_t            i_time_offset = 0;
3002
3003     int         i_index;
3004
3005     msg_Dbg( p_demux, "seek request to "I64Fd" (%f%%)", i_date, f_percent );
3006     if( i_date < 0 && f_percent < 0 )
3007     {
3008         msg_Warn( p_demux, "cannot seek nowhere !" );
3009         return;
3010     }
3011     if( f_percent > 1.0 )
3012     {
3013         msg_Warn( p_demux, "cannot seek so far !" );
3014         return;
3015     }
3016
3017     /* seek without index or without date */
3018     if( f_percent >= 0 && (config_GetInt( p_demux, "mkv-seek-percent" ) || !p_segment->b_cues || i_date < 0 ))
3019     {
3020         if (p_sys->f_duration >= 0)
3021         {
3022             i_date = int64_t( f_percent * p_sys->f_duration * 1000.0 );
3023         }
3024         else
3025         {
3026             int64_t i_pos = int64_t( f_percent * stream_Size( p_demux->s ) );
3027
3028             msg_Dbg( p_demux, "inacurate way of seeking" );
3029             for( i_index = 0; i_index < p_segment->i_index; i_index++ )
3030             {
3031                 if( p_segment->p_indexes[i_index].i_position >= i_pos)
3032                 {
3033                     break;
3034                 }
3035             }
3036             if( i_index == p_segment->i_index )
3037             {
3038                 i_index--;
3039             }
3040
3041             i_date = p_segment->p_indexes[i_index].i_time;
3042
3043 #if 0
3044             if( p_segment->p_indexes[i_index].i_position < i_pos )
3045             {
3046                 EbmlElement *el;
3047
3048                 msg_Warn( p_demux, "searching for cluster, could take some time" );
3049
3050                 /* search a cluster */
3051                 while( ( el = p_sys->ep->Get() ) != NULL )
3052                 {
3053                     if( MKV_IS_ID( el, KaxCluster ) )
3054                     {
3055                         KaxCluster *cluster = (KaxCluster*)el;
3056
3057                         /* add it to the index */
3058                         p_segment->IndexAppendCluster( cluster );
3059
3060                         if( (int64_t)cluster->GetElementPosition() >= i_pos )
3061                         {
3062                             p_sys->cluster = cluster;
3063                             p_sys->ep->Down();
3064                             break;
3065                         }
3066                     }
3067                 }
3068             }
3069 #endif
3070         }
3071     }
3072
3073     p_vsegment->Seek( *p_demux, i_date, i_time_offset, psz_chapter );
3074 }
3075
3076 /*****************************************************************************
3077  * Demux: reads and demuxes data packets
3078  *****************************************************************************
3079  * Returns -1 in case of error, 0 in case of EOF, 1 otherwise
3080  *****************************************************************************/
3081 static int Demux( demux_t *p_demux)
3082 {
3083     demux_sys_t        *p_sys = p_demux->p_sys;
3084
3085     vlc_mutex_lock( &p_sys->lock_demuxer );
3086
3087     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3088     matroska_segment_c *p_segment = p_vsegment->Segment();
3089     if ( p_segment == NULL ) return 0;
3090     int                i_block_count = 0;
3091     int                i_return = 0;
3092
3093     for( ;; )
3094     {
3095         if ( p_sys->demuxer.b_die )
3096             break;
3097
3098         if( p_sys->i_pts >= p_sys->i_start_pts  )
3099             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3100             {
3101                 i_return = 1;
3102                 break;
3103             }
3104
3105         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3106         {
3107             /* nothing left to read in this ordered edition */
3108             if ( !p_vsegment->SelectNext() )
3109                 break;
3110             p_segment->UnSelect( );
3111
3112             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3113
3114             /* switch to the next segment */
3115             p_segment = p_vsegment->Segment();
3116             if ( !p_segment->Select( 0 ) )
3117             {
3118                 msg_Err( p_demux, "Failed to select new segment" );
3119                 break;
3120             }
3121             continue;
3122         }
3123
3124         KaxBlock *block;
3125         int64_t i_block_duration = 0;
3126         int64_t i_block_ref1;
3127         int64_t i_block_ref2;
3128
3129         if( p_segment->BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
3130         {
3131             if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered )
3132             {
3133                 const chapter_item_c *p_chap = p_vsegment->CurrentChapter();
3134                 // check if there are more chapters to read
3135                 if ( p_chap != NULL )
3136                 {
3137                     /* TODO handle successive chapters with the same user_start_time/user_end_time
3138                     if ( p_chap->i_user_start_time == p_chap->i_user_start_time )
3139                         p_vsegment->SelectNext();
3140                     */
3141                     p_sys->i_pts = p_chap->i_user_end_time;
3142                     p_sys->i_pts++; // trick to avoid staying on segments with no duration and no content
3143
3144                     i_return = 1;
3145                 }
3146
3147                 break;
3148             }
3149             else
3150             {
3151                 msg_Warn( p_demux, "cannot get block EOF?" );
3152                 p_segment->UnSelect( );
3153
3154                 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3155
3156                 /* switch to the next segment */
3157                 if ( !p_vsegment->SelectNext() )
3158                     // no more segments in this stream
3159                     break;
3160                 p_segment = p_vsegment->Segment();
3161                 if ( !p_segment->Select( 0 ) )
3162                 {
3163                     msg_Err( p_demux, "Failed to select new segment" );
3164                     break;
3165                 }
3166
3167                 continue;
3168             }
3169         }
3170
3171         mtime_t i_time = block->GlobalTimecode();
3172         if ( i_block_ref1 != 0 )
3173             i_time += min( 0, i_block_ref1 );
3174         if ( i_block_ref2 != 0 )
3175             i_time += min( 0, i_block_ref2 );
3176
3177         p_sys->i_pts = (p_sys->i_chapter_time + i_time) / (mtime_t) 1000;
3178
3179         if( p_sys->i_pts >= p_sys->i_start_pts  )
3180         {
3181             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pts );
3182         }
3183
3184         if( ( (p_sys->i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000 ) >= p_sys->i_start_pts  )
3185             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3186             {
3187                 i_return = 1;
3188                 break;
3189             }
3190
3191         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3192         {
3193             /* nothing left to read in this ordered edition */
3194             if ( !p_vsegment->SelectNext() )
3195                 break;
3196             p_segment->UnSelect( );
3197
3198             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3199
3200             /* switch to the next segment */
3201             p_segment = p_vsegment->Segment();
3202             if ( !p_segment->Select( 0 ) )
3203             {
3204                 msg_Err( p_demux, "Failed to select new segment" );
3205                 break;
3206             }
3207             continue;
3208         }
3209
3210         BlockDecode( p_demux, block, (p_sys->i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000, i_block_duration );
3211
3212         delete block;
3213         i_block_count++;
3214
3215         // TODO optimize when there is need to leave or when seeking has been called
3216         if( i_block_count > 5 )
3217         {
3218             i_return = 1;
3219             break;
3220         }
3221     }
3222
3223     vlc_mutex_unlock( &p_sys->lock_demuxer );
3224
3225     return i_return;
3226 }
3227
3228
3229
3230 /*****************************************************************************
3231  * Stream managment
3232  *****************************************************************************/
3233 vlc_stream_io_callback::vlc_stream_io_callback( stream_t *s_ )
3234 {
3235     s = s_;
3236     mb_eof = VLC_FALSE;
3237 }
3238
3239 uint32 vlc_stream_io_callback::read( void *p_buffer, size_t i_size )
3240 {
3241     if( i_size <= 0 || mb_eof )
3242     {
3243         return 0;
3244     }
3245
3246     return stream_Read( s, p_buffer, i_size );
3247 }
3248 void vlc_stream_io_callback::setFilePointer(int64_t i_offset, seek_mode mode )
3249 {
3250     int64_t i_pos;
3251
3252     switch( mode )
3253     {
3254         case seek_beginning:
3255             i_pos = i_offset;
3256             break;
3257         case seek_end:
3258             i_pos = stream_Size( s ) - i_offset;
3259             break;
3260         default:
3261             i_pos= stream_Tell( s ) + i_offset;
3262             break;
3263     }
3264
3265     if( i_pos < 0 || i_pos >= stream_Size( s ) )
3266     {
3267         mb_eof = VLC_TRUE;
3268         return;
3269     }
3270
3271     mb_eof = VLC_FALSE;
3272     if( stream_Seek( s, i_pos ) )
3273     {
3274         mb_eof = VLC_TRUE;
3275     }
3276     return;
3277 }
3278 size_t vlc_stream_io_callback::write( const void *p_buffer, size_t i_size )
3279 {
3280     return 0;
3281 }
3282 uint64 vlc_stream_io_callback::getFilePointer( void )
3283 {
3284     return stream_Tell( s );
3285 }
3286 void vlc_stream_io_callback::close( void )
3287 {
3288     return;
3289 }
3290
3291
3292 /*****************************************************************************
3293  * Ebml Stream parser
3294  *****************************************************************************/
3295 EbmlParser::EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux )
3296 {
3297     int i;
3298
3299     m_es = es;
3300     m_got = NULL;
3301     m_el[0] = el_start;
3302     mi_remain_size[0] = el_start->GetSize();
3303
3304     for( i = 1; i < 6; i++ )
3305     {
3306         m_el[i] = NULL;
3307     }
3308     mi_level = 1;
3309     mi_user_level = 1;
3310     mb_keep = VLC_FALSE;
3311     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3312 }
3313
3314 EbmlParser::~EbmlParser( void )
3315 {
3316     int i;
3317
3318     for( i = 1; i < mi_level; i++ )
3319     {
3320         if( !mb_keep )
3321         {
3322             delete m_el[i];
3323         }
3324         mb_keep = VLC_FALSE;
3325     }
3326 }
3327
3328 EbmlElement* EbmlParser::UnGet( uint64 i_block_pos, uint64 i_cluster_pos )
3329 {
3330     if ( mi_user_level > mi_level )
3331     {
3332         while ( mi_user_level != mi_level )
3333         {
3334             delete m_el[mi_user_level];
3335             m_el[mi_user_level] = NULL;
3336             mi_user_level--;
3337         }
3338     }
3339     m_got = NULL;
3340     mb_keep = VLC_FALSE;
3341     if ( m_el[1]->GetElementPosition() == i_cluster_pos )
3342     {
3343         m_es->I_O().setFilePointer( i_block_pos, seek_beginning );
3344         return (EbmlMaster*) m_el[1];
3345     }
3346     else
3347     {
3348         // seek to the previous Cluster
3349         m_es->I_O().setFilePointer( i_cluster_pos, seek_beginning );
3350         mi_level--;
3351         mi_user_level--;
3352         delete m_el[mi_level];
3353         m_el[mi_level] = NULL;
3354         return NULL;
3355     }
3356 }
3357
3358 void EbmlParser::Up( void )
3359 {
3360     if( mi_user_level == mi_level )
3361     {
3362         fprintf( stderr," arrrrrrrrrrrrrg Up cannot escape itself\n" );
3363     }
3364
3365     mi_user_level--;
3366 }
3367
3368 void EbmlParser::Down( void )
3369 {
3370     mi_user_level++;
3371     mi_level++;
3372 }
3373
3374 void EbmlParser::Keep( void )
3375 {
3376     mb_keep = VLC_TRUE;
3377 }
3378
3379 int EbmlParser::GetLevel( void )
3380 {
3381     return mi_user_level;
3382 }
3383
3384 void EbmlParser::Reset( demux_t *p_demux )
3385 {
3386     while ( mi_level > 0)
3387     {
3388         delete m_el[mi_level];
3389         m_el[mi_level] = NULL;
3390         mi_level--;
3391     }
3392     mi_user_level = mi_level = 1;
3393 #if LIBEBML_VERSION >= 0x000704
3394     // a little faster and cleaner
3395     m_es->I_O().setFilePointer( static_cast<KaxSegment*>(m_el[0])->GetGlobalPosition(0) );
3396 #else
3397     m_es->I_O().setFilePointer( m_el[0]->GetElementPosition() + m_el[0]->ElementSize(true) - m_el[0]->GetSize() );
3398 #endif
3399     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3400 }
3401
3402 EbmlElement *EbmlParser::Get( void )
3403 {
3404     int i_ulev = 0;
3405
3406     if( mi_user_level != mi_level )
3407     {
3408         return NULL;
3409     }
3410     if( m_got )
3411     {
3412         EbmlElement *ret = m_got;
3413         m_got = NULL;
3414
3415         return ret;
3416     }
3417
3418     if( m_el[mi_level] )
3419     {
3420         m_el[mi_level]->SkipData( *m_es, m_el[mi_level]->Generic().Context );
3421         if( !mb_keep )
3422         {
3423             delete m_el[mi_level];
3424         }
3425         mb_keep = VLC_FALSE;
3426     }
3427
3428     m_el[mi_level] = m_es->FindNextElement( m_el[mi_level - 1]->Generic().Context, i_ulev, 0xFFFFFFFFL, mb_dummy != 0, 1 );
3429 //    mi_remain_size[mi_level] = m_el[mi_level]->GetSize();
3430     if( i_ulev > 0 )
3431     {
3432         while( i_ulev > 0 )
3433         {
3434             if( mi_level == 1 )
3435             {
3436                 mi_level = 0;
3437                 return NULL;
3438             }
3439
3440             delete m_el[mi_level - 1];
3441             m_got = m_el[mi_level -1] = m_el[mi_level];
3442             m_el[mi_level] = NULL;
3443
3444             mi_level--;
3445             i_ulev--;
3446         }
3447         return NULL;
3448     }
3449     else if( m_el[mi_level] == NULL )
3450     {
3451         fprintf( stderr," m_el[mi_level] == NULL\n" );
3452     }
3453
3454     return m_el[mi_level];
3455 }
3456
3457
3458 /*****************************************************************************
3459  * Tools
3460  *  * LoadCues : load the cues element and update index
3461  *
3462  *  * LoadTags : load ... the tags element
3463  *
3464  *  * InformationCreate : create all information, load tags if present
3465  *
3466  *****************************************************************************/
3467 void matroska_segment_c::LoadCues( )
3468 {
3469     int64_t     i_sav_position = es.I_O().getFilePointer();
3470     EbmlParser  *ep;
3471     EbmlElement *el, *cues;
3472
3473     /* *** Load the cue if found *** */
3474     if( i_cues_position < 0 )
3475     {
3476         msg_Warn( &sys.demuxer, "no cues/empty cues found->seek won't be precise" );
3477
3478 //        IndexAppendCluster( cluster );
3479     }
3480
3481     vlc_bool_t b_seekable;
3482
3483     stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
3484     if( !b_seekable )
3485         return;
3486
3487     msg_Dbg( &sys.demuxer, "loading cues" );
3488     es.I_O().setFilePointer( i_cues_position, seek_beginning );
3489     cues = es.FindNextID( KaxCues::ClassInfos, 0xFFFFFFFFL);
3490
3491     if( cues == NULL )
3492     {
3493         msg_Err( &sys.demuxer, "cannot load cues (broken seekhead or file)" );
3494         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3495         return;
3496     }
3497
3498     ep = new EbmlParser( &es, cues, &sys.demuxer );
3499     while( ( el = ep->Get() ) != NULL )
3500     {
3501         if( MKV_IS_ID( el, KaxCuePoint ) )
3502         {
3503 #define idx p_indexes[i_index]
3504
3505             idx.i_track       = -1;
3506             idx.i_block_number= -1;
3507             idx.i_position    = -1;
3508             idx.i_time        = 0;
3509             idx.b_key         = VLC_TRUE;
3510
3511             ep->Down();
3512             while( ( el = ep->Get() ) != NULL )
3513             {
3514                 if( MKV_IS_ID( el, KaxCueTime ) )
3515                 {
3516                     KaxCueTime &ctime = *(KaxCueTime*)el;
3517
3518                     ctime.ReadData( es.I_O() );
3519
3520                     idx.i_time = uint64( ctime ) * i_timescale / (mtime_t)1000;
3521                 }
3522                 else if( MKV_IS_ID( el, KaxCueTrackPositions ) )
3523                 {
3524                     ep->Down();
3525                     while( ( el = ep->Get() ) != NULL )
3526                     {
3527                         if( MKV_IS_ID( el, KaxCueTrack ) )
3528                         {
3529                             KaxCueTrack &ctrack = *(KaxCueTrack*)el;
3530
3531                             ctrack.ReadData( es.I_O() );
3532                             idx.i_track = uint16( ctrack );
3533                         }
3534                         else if( MKV_IS_ID( el, KaxCueClusterPosition ) )
3535                         {
3536                             KaxCueClusterPosition &ccpos = *(KaxCueClusterPosition*)el;
3537
3538                             ccpos.ReadData( es.I_O() );
3539                             idx.i_position = segment->GetGlobalPosition( uint64( ccpos ) );
3540                         }
3541                         else if( MKV_IS_ID( el, KaxCueBlockNumber ) )
3542                         {
3543                             KaxCueBlockNumber &cbnum = *(KaxCueBlockNumber*)el;
3544
3545                             cbnum.ReadData( es.I_O() );
3546                             idx.i_block_number = uint32( cbnum );
3547                         }
3548                         else
3549                         {
3550                             msg_Dbg( &sys.demuxer, "         * Unknown (%s)", typeid(*el).name() );
3551                         }
3552                     }
3553                     ep->Up();
3554                 }
3555                 else
3556                 {
3557                     msg_Dbg( &sys.demuxer, "     * Unknown (%s)", typeid(*el).name() );
3558                 }
3559             }
3560             ep->Up();
3561
3562 #if 0
3563             msg_Dbg( &sys.demuxer, " * added time="I64Fd" pos="I64Fd
3564                      " track=%d bnum=%d", idx.i_time, idx.i_position,
3565                      idx.i_track, idx.i_block_number );
3566 #endif
3567
3568             i_index++;
3569             if( i_index >= i_index_max )
3570             {
3571                 i_index_max += 1024;
3572                 p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
3573             }
3574 #undef idx
3575         }
3576         else
3577         {
3578             msg_Dbg( &sys.demuxer, " * Unknown (%s)", typeid(*el).name() );
3579         }
3580     }
3581     delete ep;
3582     delete cues;
3583
3584     b_cues = VLC_TRUE;
3585
3586     msg_Dbg( &sys.demuxer, "loading cues done." );
3587     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3588 }
3589
3590 void matroska_segment_c::LoadTags( )
3591 {
3592     int64_t     i_sav_position = es.I_O().getFilePointer();
3593     EbmlParser  *ep;
3594     EbmlElement *el, *tags;
3595
3596     msg_Dbg( &sys.demuxer, "loading tags" );
3597     es.I_O().setFilePointer( i_tags_position, seek_beginning );
3598     tags = es.FindNextID( KaxTags::ClassInfos, 0xFFFFFFFFL);
3599
3600     if( tags == NULL )
3601     {
3602         msg_Err( &sys.demuxer, "cannot load tags (broken seekhead or file)" );
3603         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3604         return;
3605     }
3606
3607     msg_Dbg( &sys.demuxer, "Tags" );
3608     ep = new EbmlParser( &es, tags, &sys.demuxer );
3609     while( ( el = ep->Get() ) != NULL )
3610     {
3611         if( MKV_IS_ID( el, KaxTag ) )
3612         {
3613             msg_Dbg( &sys.demuxer, "+ Tag" );
3614             ep->Down();
3615             while( ( el = ep->Get() ) != NULL )
3616             {
3617                 if( MKV_IS_ID( el, KaxTagTargets ) )
3618                 {
3619                     msg_Dbg( &sys.demuxer, "|   + Targets" );
3620                     ep->Down();
3621                     while( ( el = ep->Get() ) != NULL )
3622                     {
3623                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3624                     }
3625                     ep->Up();
3626                 }
3627                 else if( MKV_IS_ID( el, KaxTagGeneral ) )
3628                 {
3629                     msg_Dbg( &sys.demuxer, "|   + General" );
3630                     ep->Down();
3631                     while( ( el = ep->Get() ) != NULL )
3632                     {
3633                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3634                     }
3635                     ep->Up();
3636                 }
3637                 else if( MKV_IS_ID( el, KaxTagGenres ) )
3638                 {
3639                     msg_Dbg( &sys.demuxer, "|   + Genres" );
3640                     ep->Down();
3641                     while( ( el = ep->Get() ) != NULL )
3642                     {
3643                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3644                     }
3645                     ep->Up();
3646                 }
3647                 else if( MKV_IS_ID( el, KaxTagAudioSpecific ) )
3648                 {
3649                     msg_Dbg( &sys.demuxer, "|   + Audio Specific" );
3650                     ep->Down();
3651                     while( ( el = ep->Get() ) != NULL )
3652                     {
3653                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3654                     }
3655                     ep->Up();
3656                 }
3657                 else if( MKV_IS_ID( el, KaxTagImageSpecific ) )
3658                 {
3659                     msg_Dbg( &sys.demuxer, "|   + Images Specific" );
3660                     ep->Down();
3661                     while( ( el = ep->Get() ) != NULL )
3662                     {
3663                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3664                     }
3665                     ep->Up();
3666                 }
3667                 else if( MKV_IS_ID( el, KaxTagMultiComment ) )
3668                 {
3669                     msg_Dbg( &sys.demuxer, "|   + Multi Comment" );
3670                 }
3671                 else if( MKV_IS_ID( el, KaxTagMultiCommercial ) )
3672                 {
3673                     msg_Dbg( &sys.demuxer, "|   + Multi Commercial" );
3674                 }
3675                 else if( MKV_IS_ID( el, KaxTagMultiDate ) )
3676                 {
3677                     msg_Dbg( &sys.demuxer, "|   + Multi Date" );
3678                 }
3679                 else if( MKV_IS_ID( el, KaxTagMultiEntity ) )
3680                 {
3681                     msg_Dbg( &sys.demuxer, "|   + Multi Entity" );
3682                 }
3683                 else if( MKV_IS_ID( el, KaxTagMultiIdentifier ) )
3684                 {
3685                     msg_Dbg( &sys.demuxer, "|   + Multi Identifier" );
3686                 }
3687                 else if( MKV_IS_ID( el, KaxTagMultiLegal ) )
3688                 {
3689                     msg_Dbg( &sys.demuxer, "|   + Multi Legal" );
3690                 }
3691                 else if( MKV_IS_ID( el, KaxTagMultiTitle ) )
3692                 {
3693                     msg_Dbg( &sys.demuxer, "|   + Multi Title" );
3694                 }
3695                 else
3696                 {
3697                     msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid( *el ).name() );
3698                 }
3699             }
3700             ep->Up();
3701         }
3702         else
3703         {
3704             msg_Dbg( &sys.demuxer, "+ Unknown (%s)", typeid( *el ).name() );
3705         }
3706     }
3707     delete ep;
3708     delete tags;
3709
3710     msg_Dbg( &sys.demuxer, "loading tags done." );
3711     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3712 }
3713
3714 /*****************************************************************************
3715  * ParseSeekHead:
3716  *****************************************************************************/
3717 void matroska_segment_c::ParseSeekHead( KaxSeekHead *seekhead )
3718 {
3719     EbmlElement *el;
3720     size_t i, j;
3721     int i_upper_level = 0;
3722
3723     msg_Dbg( &sys.demuxer, "|   + Seek head" );
3724
3725     /* Master elements */
3726     seekhead->Read( es, seekhead->Generic().Context, i_upper_level, el, true );
3727
3728     for( i = 0; i < seekhead->ListSize(); i++ )
3729     {
3730         EbmlElement *l = (*seekhead)[i];
3731
3732         if( MKV_IS_ID( l, KaxSeek ) )
3733         {
3734             EbmlMaster *sk = static_cast<EbmlMaster *>(l);
3735             EbmlId id = EbmlVoid::ClassInfos.GlobalId;
3736             int64_t i_pos = -1;
3737
3738             for( j = 0; j < sk->ListSize(); j++ )
3739             {
3740                 EbmlElement *l = (*sk)[j];
3741
3742                 if( MKV_IS_ID( l, KaxSeekID ) )
3743                 {
3744                     KaxSeekID &sid = *(KaxSeekID*)l;
3745                     id = EbmlId( sid.GetBuffer(), sid.GetSize() );
3746                 }
3747                 else if( MKV_IS_ID( l, KaxSeekPosition ) )
3748                 {
3749                     KaxSeekPosition &spos = *(KaxSeekPosition*)l;
3750                     i_pos = uint64( spos );
3751                 }
3752                 else
3753                 {
3754                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
3755                 }
3756             }
3757
3758             if( i_pos >= 0 )
3759             {
3760                 if( id == KaxCues::ClassInfos.GlobalId )
3761                 {
3762                     msg_Dbg( &sys.demuxer, "|   |   |   = cues at "I64Fd, i_pos );
3763                     i_cues_position = segment->GetGlobalPosition( i_pos );
3764                 }
3765                 else if( id == KaxChapters::ClassInfos.GlobalId )
3766                 {
3767                     msg_Dbg( &sys.demuxer, "|   |   |   = chapters at "I64Fd, i_pos );
3768                     i_chapters_position = segment->GetGlobalPosition( i_pos );
3769                 }
3770                 else if( id == KaxTags::ClassInfos.GlobalId )
3771                 {
3772                     msg_Dbg( &sys.demuxer, "|   |   |   = tags at "I64Fd, i_pos );
3773                     i_tags_position = segment->GetGlobalPosition( i_pos );
3774                 }
3775             }
3776         }
3777         else
3778         {
3779             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
3780         }
3781     }
3782 }
3783
3784 /*****************************************************************************
3785  * ParseTrackEntry:
3786  *****************************************************************************/
3787 void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
3788 {
3789     size_t i, j, k, n;
3790
3791     mkv_track_t *tk;
3792
3793     msg_Dbg( &sys.demuxer, "|   |   + Track Entry" );
3794
3795     tk = new mkv_track_t();
3796     tracks.push_back( tk );
3797
3798     /* Init the track */
3799     memset( tk, 0, sizeof( mkv_track_t ) );
3800
3801     es_format_Init( &tk->fmt, UNKNOWN_ES, 0 );
3802     tk->fmt.psz_language = strdup("English");
3803     tk->fmt.psz_description = NULL;
3804
3805     tk->b_default = VLC_TRUE;
3806     tk->b_enabled = VLC_TRUE;
3807     tk->b_silent = VLC_FALSE;
3808     tk->i_number = tracks.size() - 1;
3809     tk->i_extra_data = 0;
3810     tk->p_extra_data = NULL;
3811     tk->psz_codec = NULL;
3812     tk->i_default_duration = 0;
3813     tk->f_timecodescale = 1.0;
3814
3815     tk->b_inited = VLC_FALSE;
3816     tk->i_data_init = 0;
3817     tk->p_data_init = NULL;
3818
3819     tk->psz_codec_name = NULL;
3820     tk->psz_codec_settings = NULL;
3821     tk->psz_codec_info_url = NULL;
3822     tk->psz_codec_download_url = NULL;
3823
3824     tk->i_compression_type = MATROSKA_COMPRESSION_NONE;
3825
3826     for( i = 0; i < m->ListSize(); i++ )
3827     {
3828         EbmlElement *l = (*m)[i];
3829
3830         if( MKV_IS_ID( l, KaxTrackNumber ) )
3831         {
3832             KaxTrackNumber &tnum = *(KaxTrackNumber*)l;
3833
3834             tk->i_number = uint32( tnum );
3835             msg_Dbg( &sys.demuxer, "|   |   |   + Track Number=%u", uint32( tnum ) );
3836         }
3837         else  if( MKV_IS_ID( l, KaxTrackUID ) )
3838         {
3839             KaxTrackUID &tuid = *(KaxTrackUID*)l;
3840
3841             msg_Dbg( &sys.demuxer, "|   |   |   + Track UID=%u",  uint32( tuid ) );
3842         }
3843         else  if( MKV_IS_ID( l, KaxTrackType ) )
3844         {
3845             char *psz_type;
3846             KaxTrackType &ttype = *(KaxTrackType*)l;
3847
3848             switch( uint8(ttype) )
3849             {
3850                 case track_audio:
3851                     psz_type = "audio";
3852                     tk->fmt.i_cat = AUDIO_ES;
3853                     break;
3854                 case track_video:
3855                     psz_type = "video";
3856                     tk->fmt.i_cat = VIDEO_ES;
3857                     break;
3858                 case track_subtitle:
3859                     psz_type = "subtitle";
3860                     tk->fmt.i_cat = SPU_ES;
3861                     break;
3862                 case track_buttons:
3863                     psz_type = "buttons";
3864                     tk->fmt.i_cat = SPU_ES;
3865                     break;
3866                 default:
3867                     psz_type = "unknown";
3868                     tk->fmt.i_cat = UNKNOWN_ES;
3869                     break;
3870             }
3871
3872             msg_Dbg( &sys.demuxer, "|   |   |   + Track Type=%s", psz_type );
3873         }
3874 //        else  if( EbmlId( *l ) == KaxTrackFlagEnabled::ClassInfos.GlobalId )
3875 //        {
3876 //            KaxTrackFlagEnabled &fenb = *(KaxTrackFlagEnabled*)l;
3877
3878 //            tk->b_enabled = uint32( fenb );
3879 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Enabled=%u",
3880 //                     uint32( fenb )  );
3881 //        }
3882         else  if( MKV_IS_ID( l, KaxTrackFlagDefault ) )
3883         {
3884             KaxTrackFlagDefault &fdef = *(KaxTrackFlagDefault*)l;
3885
3886             tk->b_default = uint32( fdef );
3887             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default=%u", uint32( fdef )  );
3888         }
3889         else  if( MKV_IS_ID( l, KaxTrackFlagLacing ) )
3890         {
3891             KaxTrackFlagLacing &lac = *(KaxTrackFlagLacing*)l;
3892
3893             msg_Dbg( &sys.demuxer, "|   |   |   + Track Lacing=%d", uint32( lac ) );
3894         }
3895         else  if( MKV_IS_ID( l, KaxTrackMinCache ) )
3896         {
3897             KaxTrackMinCache &cmin = *(KaxTrackMinCache*)l;
3898
3899             msg_Dbg( &sys.demuxer, "|   |   |   + Track MinCache=%d", uint32( cmin ) );
3900         }
3901         else  if( MKV_IS_ID( l, KaxTrackMaxCache ) )
3902         {
3903             KaxTrackMaxCache &cmax = *(KaxTrackMaxCache*)l;
3904
3905             msg_Dbg( &sys.demuxer, "|   |   |   + Track MaxCache=%d", uint32( cmax ) );
3906         }
3907         else  if( MKV_IS_ID( l, KaxTrackDefaultDuration ) )
3908         {
3909             KaxTrackDefaultDuration &defd = *(KaxTrackDefaultDuration*)l;
3910
3911             tk->i_default_duration = uint64(defd);
3912             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default Duration="I64Fd, uint64(defd) );
3913         }
3914         else  if( MKV_IS_ID( l, KaxTrackTimecodeScale ) )
3915         {
3916             KaxTrackTimecodeScale &ttcs = *(KaxTrackTimecodeScale*)l;
3917
3918             tk->f_timecodescale = float( ttcs );
3919             msg_Dbg( &sys.demuxer, "|   |   |   + Track TimeCodeScale=%f", tk->f_timecodescale );
3920         }
3921         else if( MKV_IS_ID( l, KaxTrackName ) )
3922         {
3923             KaxTrackName &tname = *(KaxTrackName*)l;
3924
3925             tk->fmt.psz_description = UTF8ToStr( UTFstring( tname ) );
3926             msg_Dbg( &sys.demuxer, "|   |   |   + Track Name=%s", tk->fmt.psz_description );
3927         }
3928         else  if( MKV_IS_ID( l, KaxTrackLanguage ) )
3929         {
3930             KaxTrackLanguage &lang = *(KaxTrackLanguage*)l;
3931
3932             tk->fmt.psz_language = strdup( string( lang ).c_str() );
3933             msg_Dbg( &sys.demuxer,
3934                      "|   |   |   + Track Language=`%s'", tk->fmt.psz_language );
3935         }
3936         else  if( MKV_IS_ID( l, KaxCodecID ) )
3937         {
3938             KaxCodecID &codecid = *(KaxCodecID*)l;
3939
3940             tk->psz_codec = strdup( string( codecid ).c_str() );
3941             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecId=%s", string( codecid ).c_str() );
3942         }
3943         else  if( MKV_IS_ID( l, KaxCodecPrivate ) )
3944         {
3945             KaxCodecPrivate &cpriv = *(KaxCodecPrivate*)l;
3946
3947             tk->i_extra_data = cpriv.GetSize();
3948             if( tk->i_extra_data > 0 )
3949             {
3950                 tk->p_extra_data = (uint8_t*)malloc( tk->i_extra_data );
3951                 memcpy( tk->p_extra_data, cpriv.GetBuffer(), tk->i_extra_data );
3952             }
3953             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecPrivate size="I64Fd, cpriv.GetSize() );
3954         }
3955         else if( MKV_IS_ID( l, KaxCodecName ) )
3956         {
3957             KaxCodecName &cname = *(KaxCodecName*)l;
3958
3959             tk->psz_codec_name = UTF8ToStr( UTFstring( cname ) );
3960             msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Name=%s", tk->psz_codec_name );
3961         }
3962         else if( MKV_IS_ID( l, KaxContentEncodings ) )
3963         {
3964             EbmlMaster *cencs = static_cast<EbmlMaster*>(l);
3965             MkvTree( sys.demuxer, 3, "Content Encodings" );
3966             for( j = 0; j < cencs->ListSize(); j++ )
3967             {
3968                 EbmlElement *l2 = (*cencs)[j];
3969                 if( MKV_IS_ID( l2, KaxContentEncoding ) )
3970                 {
3971                     MkvTree( sys.demuxer, 4, "Content Encoding" );
3972                     EbmlMaster *cenc = static_cast<EbmlMaster*>(l2);
3973                     for( k = 0; k < cenc->ListSize(); k++ )
3974                     {
3975                         EbmlElement *l3 = (*cenc)[k];
3976                         if( MKV_IS_ID( l3, KaxContentEncodingOrder ) )
3977                         {
3978                             KaxContentEncodingOrder &encord = *(KaxContentEncodingOrder*)l3;
3979                             MkvTree( sys.demuxer, 5, "Order: %i", uint32( encord ) );
3980                         }
3981                         else if( MKV_IS_ID( l3, KaxContentEncodingScope ) )
3982                         {
3983                             KaxContentEncodingScope &encscope = *(KaxContentEncodingScope*)l3;
3984                             MkvTree( sys.demuxer, 5, "Scope: %i", uint32( encscope ) );
3985                         }
3986                         else if( MKV_IS_ID( l3, KaxContentEncodingType ) )
3987                         {
3988                             KaxContentEncodingType &enctype = *(KaxContentEncodingType*)l3;
3989                             MkvTree( sys.demuxer, 5, "Type: %i", uint32( enctype ) );
3990                         }
3991                         else if( MKV_IS_ID( l3, KaxContentCompression ) )
3992                         {
3993                             EbmlMaster *compr = static_cast<EbmlMaster*>(l3);
3994                             MkvTree( sys.demuxer, 5, "Content Compression" );
3995                             for( n = 0; n < compr->ListSize(); n++ )
3996                             {
3997                                 EbmlElement *l4 = (*compr)[n];
3998                                 if( MKV_IS_ID( l4, KaxContentCompAlgo ) )
3999                                 {
4000                                     KaxContentCompAlgo &compalg = *(KaxContentCompAlgo*)l4;
4001                                     MkvTree( sys.demuxer, 6, "Compression Algorithm: %i", uint32(compalg) );
4002                                     if( uint32( compalg ) == 0 )
4003                                     {
4004                                         tk->i_compression_type = MATROSKA_COMPRESSION_ZLIB;
4005                                     }
4006                                 }
4007                                 else
4008                                 {
4009                                     MkvTree( sys.demuxer, 6, "Unknown (%s)", typeid(*l4).name() );
4010                                 }
4011                             }
4012                         }
4013
4014                         else
4015                         {
4016                             MkvTree( sys.demuxer, 5, "Unknown (%s)", typeid(*l3).name() );
4017                         }
4018                     }
4019
4020                 }
4021                 else
4022                 {
4023                     MkvTree( sys.demuxer, 4, "Unknown (%s)", typeid(*l2).name() );
4024                 }
4025             }
4026
4027         }
4028 //        else if( EbmlId( *l ) == KaxCodecSettings::ClassInfos.GlobalId )
4029 //        {
4030 //            KaxCodecSettings &cset = *(KaxCodecSettings*)l;
4031
4032 //            tk->psz_codec_settings = UTF8ToStr( UTFstring( cset ) );
4033 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Settings=%s", tk->psz_codec_settings );
4034 //        }
4035 //        else if( EbmlId( *l ) == KaxCodecInfoURL::ClassInfos.GlobalId )
4036 //        {
4037 //            KaxCodecInfoURL &ciurl = *(KaxCodecInfoURL*)l;
4038
4039 //            tk->psz_codec_info_url = strdup( string( ciurl ).c_str() );
4040 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_info_url );
4041 //        }
4042 //        else if( EbmlId( *l ) == KaxCodecDownloadURL::ClassInfos.GlobalId )
4043 //        {
4044 //            KaxCodecDownloadURL &cdurl = *(KaxCodecDownloadURL*)l;
4045
4046 //            tk->psz_codec_download_url = strdup( string( cdurl ).c_str() );
4047 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_download_url );
4048 //        }
4049 //        else if( EbmlId( *l ) == KaxCodecDecodeAll::ClassInfos.GlobalId )
4050 //        {
4051 //            KaxCodecDecodeAll &cdall = *(KaxCodecDecodeAll*)l;
4052
4053 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Decode All=%u <== UNUSED", uint8( cdall ) );
4054 //        }
4055 //        else if( EbmlId( *l ) == KaxTrackOverlay::ClassInfos.GlobalId )
4056 //        {
4057 //            KaxTrackOverlay &tovr = *(KaxTrackOverlay*)l;
4058
4059 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Overlay=%u <== UNUSED", uint32( tovr ) );
4060 //        }
4061         else  if( MKV_IS_ID( l, KaxTrackVideo ) )
4062         {
4063             EbmlMaster *tkv = static_cast<EbmlMaster*>(l);
4064             unsigned int j;
4065
4066             msg_Dbg( &sys.demuxer, "|   |   |   + Track Video" );
4067             tk->f_fps = 0.0;
4068
4069             tk->fmt.video.i_frame_rate_base = (unsigned int)(tk->i_default_duration / 1000);
4070             tk->fmt.video.i_frame_rate = 1000000;
4071
4072             for( j = 0; j < tkv->ListSize(); j++ )
4073             {
4074                 EbmlElement *l = (*tkv)[j];
4075 //                if( EbmlId( *el4 ) == KaxVideoFlagInterlaced::ClassInfos.GlobalId )
4076 //                {
4077 //                    KaxVideoFlagInterlaced &fint = *(KaxVideoFlagInterlaced*)el4;
4078
4079 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Interlaced=%u", uint8( fint ) );
4080 //                }
4081 //                else if( EbmlId( *el4 ) == KaxVideoStereoMode::ClassInfos.GlobalId )
4082 //                {
4083 //                    KaxVideoStereoMode &stereo = *(KaxVideoStereoMode*)el4;
4084
4085 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Stereo Mode=%u", uint8( stereo ) );
4086 //                }
4087 //                else
4088                 if( MKV_IS_ID( l, KaxVideoPixelWidth ) )
4089                 {
4090                     KaxVideoPixelWidth &vwidth = *(KaxVideoPixelWidth*)l;
4091
4092                     tk->fmt.video.i_width = uint16( vwidth );
4093                     msg_Dbg( &sys.demuxer, "|   |   |   |   + width=%d", uint16( vwidth ) );
4094                 }
4095                 else if( MKV_IS_ID( l, KaxVideoPixelHeight ) )
4096                 {
4097                     KaxVideoPixelWidth &vheight = *(KaxVideoPixelWidth*)l;
4098
4099                     tk->fmt.video.i_height = uint16( vheight );
4100                     msg_Dbg( &sys.demuxer, "|   |   |   |   + height=%d", uint16( vheight ) );
4101                 }
4102                 else if( MKV_IS_ID( l, KaxVideoDisplayWidth ) )
4103                 {
4104                     KaxVideoDisplayWidth &vwidth = *(KaxVideoDisplayWidth*)l;
4105
4106                     tk->fmt.video.i_visible_width = uint16( vwidth );
4107                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display width=%d", uint16( vwidth ) );
4108                 }
4109                 else if( MKV_IS_ID( l, KaxVideoDisplayHeight ) )
4110                 {
4111                     KaxVideoDisplayWidth &vheight = *(KaxVideoDisplayWidth*)l;
4112
4113                     tk->fmt.video.i_visible_height = uint16( vheight );
4114                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display height=%d", uint16( vheight ) );
4115                 }
4116                 else if( MKV_IS_ID( l, KaxVideoFrameRate ) )
4117                 {
4118                     KaxVideoFrameRate &vfps = *(KaxVideoFrameRate*)l;
4119
4120                     tk->f_fps = float( vfps );
4121                     msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( vfps ) );
4122                 }
4123 //                else if( EbmlId( *l ) == KaxVideoDisplayUnit::ClassInfos.GlobalId )
4124 //                {
4125 //                     KaxVideoDisplayUnit &vdmode = *(KaxVideoDisplayUnit*)l;
4126
4127 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Display Unit=%s",
4128 //                             uint8( vdmode ) == 0 ? "pixels" : ( uint8( vdmode ) == 1 ? "centimeters": "inches" ) );
4129 //                }
4130 //                else if( EbmlId( *l ) == KaxVideoAspectRatio::ClassInfos.GlobalId )
4131 //                {
4132 //                    KaxVideoAspectRatio &ratio = *(KaxVideoAspectRatio*)l;
4133
4134 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + Track Video Aspect Ratio Type=%u", uint8( ratio ) );
4135 //                }
4136 //                else if( EbmlId( *l ) == KaxVideoGamma::ClassInfos.GlobalId )
4137 //                {
4138 //                    KaxVideoGamma &gamma = *(KaxVideoGamma*)l;
4139
4140 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( gamma ) );
4141 //                }
4142                 else
4143                 {
4144                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4145                 }
4146             }
4147             if ( tk->fmt.video.i_visible_height && tk->fmt.video.i_visible_width )
4148                 tk->fmt.video.i_aspect = VOUT_ASPECT_FACTOR * tk->fmt.video.i_visible_width / tk->fmt.video.i_visible_height;
4149         }
4150         else  if( MKV_IS_ID( l, KaxTrackAudio ) )
4151         {
4152             EbmlMaster *tka = static_cast<EbmlMaster*>(l);
4153             unsigned int j;
4154
4155             msg_Dbg( &sys.demuxer, "|   |   |   + Track Audio" );
4156
4157             for( j = 0; j < tka->ListSize(); j++ )
4158             {
4159                 EbmlElement *l = (*tka)[j];
4160
4161                 if( MKV_IS_ID( l, KaxAudioSamplingFreq ) )
4162                 {
4163                     KaxAudioSamplingFreq &afreq = *(KaxAudioSamplingFreq*)l;
4164
4165                     tk->fmt.audio.i_rate = (int)float( afreq );
4166                     msg_Dbg( &sys.demuxer, "|   |   |   |   + afreq=%d", tk->fmt.audio.i_rate );
4167                 }
4168                 else if( MKV_IS_ID( l, KaxAudioChannels ) )
4169                 {
4170                     KaxAudioChannels &achan = *(KaxAudioChannels*)l;
4171
4172                     tk->fmt.audio.i_channels = uint8( achan );
4173                     msg_Dbg( &sys.demuxer, "|   |   |   |   + achan=%u", uint8( achan ) );
4174                 }
4175                 else if( MKV_IS_ID( l, KaxAudioBitDepth ) )
4176                 {
4177                     KaxAudioBitDepth &abits = *(KaxAudioBitDepth*)l;
4178
4179                     tk->fmt.audio.i_bitspersample = uint8( abits );
4180                     msg_Dbg( &sys.demuxer, "|   |   |   |   + abits=%u", uint8( abits ) );
4181                 }
4182                 else
4183                 {
4184                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4185                 }
4186             }
4187         }
4188         else
4189         {
4190             msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)",
4191                      typeid(*l).name() );
4192         }
4193     }
4194 }
4195
4196 /*****************************************************************************
4197  * ParseTracks:
4198  *****************************************************************************/
4199 void matroska_segment_c::ParseTracks( KaxTracks *tracks )
4200 {
4201     EbmlElement *el;
4202     unsigned int i;
4203     int i_upper_level = 0;
4204
4205     msg_Dbg( &sys.demuxer, "|   + Tracks" );
4206
4207     /* Master elements */
4208     tracks->Read( es, tracks->Generic().Context, i_upper_level, el, true );
4209
4210     for( i = 0; i < tracks->ListSize(); i++ )
4211     {
4212         EbmlElement *l = (*tracks)[i];
4213
4214         if( MKV_IS_ID( l, KaxTrackEntry ) )
4215         {
4216             ParseTrackEntry( static_cast<KaxTrackEntry *>(l) );
4217         }
4218         else
4219         {
4220             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4221         }
4222     }
4223 }
4224
4225 /*****************************************************************************
4226  * ParseInfo:
4227  *****************************************************************************/
4228 void matroska_segment_c::ParseInfo( KaxInfo *info )
4229 {
4230     EbmlElement *el;
4231     EbmlMaster  *m;
4232     size_t i, j;
4233     int i_upper_level = 0;
4234
4235     msg_Dbg( &sys.demuxer, "|   + Information" );
4236
4237     /* Master elements */
4238     m = static_cast<EbmlMaster *>(info);
4239     m->Read( es, info->Generic().Context, i_upper_level, el, true );
4240
4241     for( i = 0; i < m->ListSize(); i++ )
4242     {
4243         EbmlElement *l = (*m)[i];
4244
4245         if( MKV_IS_ID( l, KaxSegmentUID ) )
4246         {
4247             p_segment_uid = new KaxSegmentUID(*static_cast<KaxSegmentUID*>(l));
4248
4249             msg_Dbg( &sys.demuxer, "|   |   + UID=%d", *(uint32*)p_segment_uid->GetBuffer() );
4250         }
4251         else if( MKV_IS_ID( l, KaxPrevUID ) )
4252         {
4253             p_prev_segment_uid = new KaxPrevUID(*static_cast<KaxPrevUID*>(l));
4254
4255             msg_Dbg( &sys.demuxer, "|   |   + PrevUID=%d", *(uint32*)p_prev_segment_uid->GetBuffer() );
4256         }
4257         else if( MKV_IS_ID( l, KaxNextUID ) )
4258         {
4259             p_next_segment_uid = new KaxNextUID(*static_cast<KaxNextUID*>(l));
4260
4261             msg_Dbg( &sys.demuxer, "|   |   + NextUID=%d", *(uint32*)p_next_segment_uid->GetBuffer() );
4262         }
4263         else if( MKV_IS_ID( l, KaxTimecodeScale ) )
4264         {
4265             KaxTimecodeScale &tcs = *(KaxTimecodeScale*)l;
4266
4267             i_timescale = uint64(tcs);
4268
4269             msg_Dbg( &sys.demuxer, "|   |   + TimecodeScale="I64Fd,
4270                      i_timescale );
4271         }
4272         else if( MKV_IS_ID( l, KaxDuration ) )
4273         {
4274             KaxDuration &dur = *(KaxDuration*)l;
4275
4276             i_duration = mtime_t( double( dur ) );
4277
4278             msg_Dbg( &sys.demuxer, "|   |   + Duration="I64Fd,
4279                      i_duration );
4280         }
4281         else if( MKV_IS_ID( l, KaxMuxingApp ) )
4282         {
4283             KaxMuxingApp &mapp = *(KaxMuxingApp*)l;
4284
4285             psz_muxing_application = UTF8ToStr( UTFstring( mapp ) );
4286
4287             msg_Dbg( &sys.demuxer, "|   |   + Muxing Application=%s",
4288                      psz_muxing_application );
4289         }
4290         else if( MKV_IS_ID( l, KaxWritingApp ) )
4291         {
4292             KaxWritingApp &wapp = *(KaxWritingApp*)l;
4293
4294             psz_writing_application = UTF8ToStr( UTFstring( wapp ) );
4295
4296             msg_Dbg( &sys.demuxer, "|   |   + Writing Application=%s",
4297                      psz_writing_application );
4298         }
4299         else if( MKV_IS_ID( l, KaxSegmentFilename ) )
4300         {
4301             KaxSegmentFilename &sfn = *(KaxSegmentFilename*)l;
4302
4303             psz_segment_filename = UTF8ToStr( UTFstring( sfn ) );
4304
4305             msg_Dbg( &sys.demuxer, "|   |   + Segment Filename=%s",
4306                      psz_segment_filename );
4307         }
4308         else if( MKV_IS_ID( l, KaxTitle ) )
4309         {
4310             KaxTitle &title = *(KaxTitle*)l;
4311
4312             psz_title = UTF8ToStr( UTFstring( title ) );
4313
4314             msg_Dbg( &sys.demuxer, "|   |   + Title=%s", psz_title );
4315         }
4316         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
4317         {
4318             KaxSegmentFamily *uid = static_cast<KaxSegmentFamily*>(l);
4319
4320             families.push_back(*uid);
4321
4322             msg_Dbg( &sys.demuxer, "|   |   + family=%d", *(uint32*)uid->GetBuffer() );
4323         }
4324 #if defined( HAVE_GMTIME_R ) && !defined( SYS_DARWIN )
4325         else if( MKV_IS_ID( l, KaxDateUTC ) )
4326         {
4327             KaxDateUTC &date = *(KaxDateUTC*)l;
4328             time_t i_date;
4329             struct tm tmres;
4330             char   buffer[256];
4331
4332             i_date = date.GetEpochDate();
4333             memset( buffer, 0, 256 );
4334             if( gmtime_r( &i_date, &tmres ) &&
4335                 asctime_r( &tmres, buffer ) )
4336             {
4337                 buffer[strlen( buffer)-1]= '\0';
4338                 psz_date_utc = strdup( buffer );
4339                 msg_Dbg( &sys.demuxer, "|   |   + Date=%s", psz_date_utc );
4340             }
4341         }
4342 #endif
4343 #if LIBMATROSKA_VERSION >= 0x000704
4344         else if( MKV_IS_ID( l, KaxChapterTranslate ) )
4345         {
4346             KaxChapterTranslate *p_trans = static_cast<KaxChapterTranslate*>( l );
4347             chapter_translation_c *p_translate = new chapter_translation_c();
4348
4349             p_trans->Read( es, p_trans->Generic().Context, i_upper_level, el, true );
4350             for( j = 0; j < p_trans->ListSize(); j++ )
4351             {
4352                 EbmlElement *l = (*p_trans)[j];
4353
4354                 if( MKV_IS_ID( l, KaxChapterTranslateEditionUID ) )
4355                 {
4356                     p_translate->editions.push_back( uint64( *static_cast<KaxChapterTranslateEditionUID*>( l ) ) );
4357                 }
4358                 else if( MKV_IS_ID( l, KaxChapterTranslateCodec ) )
4359                 {
4360                     p_translate->codec_id = uint32( *static_cast<KaxChapterTranslateCodec*>( l ) );
4361                 }
4362                 else if( MKV_IS_ID( l, KaxChapterTranslateID ) )
4363                 {
4364                     p_translate->p_translated = new KaxChapterTranslateID( *static_cast<KaxChapterTranslateID*>( l ) );
4365                 }
4366             }
4367
4368             translations.push_back( p_translate );
4369         }
4370 #endif
4371         else
4372         {
4373             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4374         }
4375     }
4376
4377     double f_dur = double(i_duration) * double(i_timescale) / 1000000.0;
4378     i_duration = mtime_t(f_dur);
4379 }
4380
4381
4382 /*****************************************************************************
4383  * ParseChapterAtom
4384  *****************************************************************************/
4385 void matroska_segment_c::ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters )
4386 {
4387     size_t i, j;
4388
4389     msg_Dbg( &sys.demuxer, "|   |   |   + ChapterAtom (level=%d)", i_level );
4390     for( i = 0; i < ca->ListSize(); i++ )
4391     {
4392         EbmlElement *l = (*ca)[i];
4393
4394         if( MKV_IS_ID( l, KaxChapterUID ) )
4395         {
4396             chapters.i_uid = uint64_t(*(KaxChapterUID*)l);
4397             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterUID: %lld", chapters.i_uid );
4398         }
4399         else if( MKV_IS_ID( l, KaxChapterFlagHidden ) )
4400         {
4401             KaxChapterFlagHidden &flag =*(KaxChapterFlagHidden*)l;
4402             chapters.b_display_seekpoint = uint8( flag ) == 0;
4403
4404             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterFlagHidden: %s", chapters.b_display_seekpoint ? "no":"yes" );
4405         }
4406         else if( MKV_IS_ID( l, KaxChapterTimeStart ) )
4407         {
4408             KaxChapterTimeStart &start =*(KaxChapterTimeStart*)l;
4409             chapters.i_start_time = uint64( start ) / I64C(1000);
4410
4411             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeStart: %lld", chapters.i_start_time );
4412         }
4413         else if( MKV_IS_ID( l, KaxChapterTimeEnd ) )
4414         {
4415             KaxChapterTimeEnd &end =*(KaxChapterTimeEnd*)l;
4416             chapters.i_end_time = uint64( end ) / I64C(1000);
4417
4418             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeEnd: %lld", chapters.i_end_time );
4419         }
4420         else if( MKV_IS_ID( l, KaxChapterDisplay ) )
4421         {
4422             EbmlMaster *cd = static_cast<EbmlMaster *>(l);
4423
4424             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterDisplay" );
4425             for( j = 0; j < cd->ListSize(); j++ )
4426             {
4427                 EbmlElement *l= (*cd)[j];
4428
4429                 if( MKV_IS_ID( l, KaxChapterString ) )
4430                 {
4431                     int k;
4432
4433                     KaxChapterString &name =*(KaxChapterString*)l;
4434                     for (k = 0; k < i_level; k++)
4435                         chapters.psz_name += '+';
4436                     chapters.psz_name += ' ';
4437                     chapters.psz_name += UTF8ToStr( UTFstring( name ) );
4438                     chapters.b_user_display = true;
4439
4440                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterString '%s'", UTF8ToStr(UTFstring(name)) );
4441                 }
4442                 else if( MKV_IS_ID( l, KaxChapterLanguage ) )
4443                 {
4444                     KaxChapterLanguage &lang =*(KaxChapterLanguage*)l;
4445                     const char *psz = string( lang ).c_str();
4446
4447                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterLanguage '%s'", psz );
4448                 }
4449                 else if( MKV_IS_ID( l, KaxChapterCountry ) )
4450                 {
4451                     KaxChapterCountry &ct =*(KaxChapterCountry*)l;
4452                     const char *psz = string( ct ).c_str();
4453
4454                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterCountry '%s'", psz );
4455                 }
4456             }
4457         }
4458         else if( MKV_IS_ID( l, KaxChapterProcess ) )
4459         {
4460             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterProcess" );
4461
4462             KaxChapterProcess *cp = static_cast<KaxChapterProcess *>(l);
4463             chapter_codec_cmds_c *p_ccodec = NULL;
4464
4465             for( j = 0; j < cp->ListSize(); j++ )
4466             {
4467                 EbmlElement *k= (*cp)[j];
4468
4469                 if( MKV_IS_ID( k, KaxChapterProcessCodecID ) )
4470                 {
4471                     KaxChapterProcessCodecID *p_codec_id = static_cast<KaxChapterProcessCodecID*>( k );
4472                     if ( uint32(*p_codec_id) == 0 )
4473                         p_ccodec = new matroska_script_codec_c( sys );
4474                     else if ( uint32(*p_codec_id) == 1 )
4475                         p_ccodec = new dvd_chapter_codec_c( sys );
4476                     break;
4477                 }
4478             }
4479
4480             if ( p_ccodec != NULL )
4481             {
4482                 for( j = 0; j < cp->ListSize(); j++ )
4483                 {
4484                     EbmlElement *k= (*cp)[j];
4485
4486                     if( MKV_IS_ID( k, KaxChapterProcessPrivate ) )
4487                     {
4488                         KaxChapterProcessPrivate * p_private = static_cast<KaxChapterProcessPrivate*>( k );
4489                         p_ccodec->SetPrivate( *p_private );
4490                     }
4491                     else if( MKV_IS_ID( k, KaxChapterProcessCommand ) )
4492                     {
4493                         p_ccodec->AddCommand( *static_cast<KaxChapterProcessCommand*>( k ) );
4494                     }
4495                 }
4496                 chapters.codecs.push_back( p_ccodec );
4497             }
4498         }
4499         else if( MKV_IS_ID( l, KaxChapterAtom ) )
4500         {
4501             chapter_item_c *new_sub_chapter = new chapter_item_c();
4502             ParseChapterAtom( i_level+1, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4503             new_sub_chapter->psz_parent = &chapters;
4504             chapters.sub_chapters.push_back( new_sub_chapter );
4505         }
4506     }
4507 }
4508
4509 /*****************************************************************************
4510  * ParseChapters:
4511  *****************************************************************************/
4512 void matroska_segment_c::ParseChapters( KaxChapters *chapters )
4513 {
4514     EbmlElement *el;
4515     size_t i;
4516     int i_upper_level = 0;
4517     mtime_t i_dur;
4518
4519     /* Master elements */
4520     chapters->Read( es, chapters->Generic().Context, i_upper_level, el, true );
4521
4522     for( i = 0; i < chapters->ListSize(); i++ )
4523     {
4524         EbmlElement *l = (*chapters)[i];
4525
4526         if( MKV_IS_ID( l, KaxEditionEntry ) )
4527         {
4528             chapter_edition_c *p_edition = new chapter_edition_c();
4529
4530             EbmlMaster *E = static_cast<EbmlMaster *>(l );
4531             size_t j;
4532             msg_Dbg( &sys.demuxer, "|   |   + EditionEntry" );
4533             for( j = 0; j < E->ListSize(); j++ )
4534             {
4535                 EbmlElement *l = (*E)[j];
4536
4537                 if( MKV_IS_ID( l, KaxChapterAtom ) )
4538                 {
4539                     chapter_item_c *new_sub_chapter = new chapter_item_c();
4540                     ParseChapterAtom( 0, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4541                     p_edition->sub_chapters.push_back( new_sub_chapter );
4542                 }
4543                 else if( MKV_IS_ID( l, KaxEditionUID ) )
4544                 {
4545                     p_edition->i_uid = uint64(*static_cast<KaxEditionUID *>( l ));
4546                 }
4547                 else if( MKV_IS_ID( l, KaxEditionFlagOrdered ) )
4548                 {
4549                     p_edition->b_ordered = config_GetInt( &sys.demuxer, "mkv-use-ordered-chapters" ) ? (uint8(*static_cast<KaxEditionFlagOrdered *>( l )) != 0) : 0;
4550                 }
4551                 else if( MKV_IS_ID( l, KaxEditionFlagDefault ) )
4552                 {
4553                     if (uint8(*static_cast<KaxEditionFlagDefault *>( l )) != 0)
4554                         i_default_edition = stored_editions.size();
4555                 }
4556                 else
4557                 {
4558                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
4559                 }
4560             }
4561             stored_editions.push_back( p_edition );
4562         }
4563         else
4564         {
4565             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4566         }
4567     }
4568
4569     for( i = 0; i < stored_editions.size(); i++ )
4570     {
4571         stored_editions[i]->RefreshChapters( );
4572     }
4573
4574     if ( stored_editions.size() != 0 && stored_editions[i_default_edition]->b_ordered )
4575     {
4576         /* update the duration of the segment according to the sum of all sub chapters */
4577         i_dur = stored_editions[i_default_edition]->Duration() / I64C(1000);
4578         if (i_dur > 0)
4579             i_duration = i_dur;
4580     }
4581 }
4582
4583 void matroska_segment_c::ParseCluster( )
4584 {
4585     EbmlElement *el;
4586     EbmlMaster  *m;
4587     unsigned int i;
4588     int i_upper_level = 0;
4589
4590     /* Master elements */
4591     m = static_cast<EbmlMaster *>( cluster );
4592     m->Read( es, cluster->Generic().Context, i_upper_level, el, true );
4593
4594     for( i = 0; i < m->ListSize(); i++ )
4595     {
4596         EbmlElement *l = (*m)[i];
4597
4598         if( MKV_IS_ID( l, KaxClusterTimecode ) )
4599         {
4600             KaxClusterTimecode &ctc = *(KaxClusterTimecode*)l;
4601
4602             cluster->InitTimecode( uint64( ctc ), i_timescale );
4603             break;
4604         }
4605     }
4606
4607     i_start_time = cluster->GlobalTimecode() / 1000;
4608 }
4609
4610 /*****************************************************************************
4611  * InformationCreate:
4612  *****************************************************************************/
4613 void matroska_segment_c::InformationCreate( )
4614 {
4615     size_t      i_track;
4616
4617     sys.meta = vlc_meta_New();
4618
4619     if( psz_title )
4620     {
4621         vlc_meta_Add( sys.meta, VLC_META_TITLE, psz_title );
4622     }
4623     if( psz_date_utc )
4624     {
4625         vlc_meta_Add( sys.meta, VLC_META_DATE, psz_date_utc );
4626     }
4627     if( psz_segment_filename )
4628     {
4629         vlc_meta_Add( sys.meta, _("Segment filename"), psz_segment_filename );
4630     }
4631     if( psz_muxing_application )
4632     {
4633         vlc_meta_Add( sys.meta, _("Muxing application"), psz_muxing_application );
4634     }
4635     if( psz_writing_application )
4636     {
4637         vlc_meta_Add( sys.meta, _("Writing application"), psz_writing_application );
4638     }
4639
4640     for( i_track = 0; i_track < tracks.size(); i_track++ )
4641     {
4642         mkv_track_t *tk = tracks[i_track];
4643         vlc_meta_t *mtk = vlc_meta_New();
4644
4645         sys.meta->track = (vlc_meta_t**)realloc( sys.meta->track,
4646                                                     sizeof( vlc_meta_t * ) * ( sys.meta->i_track + 1 ) );
4647         sys.meta->track[sys.meta->i_track++] = mtk;
4648
4649         if( tk->fmt.psz_description )
4650         {
4651             vlc_meta_Add( sys.meta, VLC_META_DESCRIPTION, tk->fmt.psz_description );
4652         }
4653         if( tk->psz_codec_name )
4654         {
4655             vlc_meta_Add( sys.meta, VLC_META_CODEC_NAME, tk->psz_codec_name );
4656         }
4657         if( tk->psz_codec_settings )
4658         {
4659             vlc_meta_Add( sys.meta, VLC_META_SETTING, tk->psz_codec_settings );
4660         }
4661         if( tk->psz_codec_info_url )
4662         {
4663             vlc_meta_Add( sys.meta, VLC_META_CODEC_DESCRIPTION, tk->psz_codec_info_url );
4664         }
4665         if( tk->psz_codec_download_url )
4666         {
4667             vlc_meta_Add( sys.meta, VLC_META_URL, tk->psz_codec_download_url );
4668         }
4669     }
4670
4671     if( i_tags_position >= 0 )
4672     {
4673         vlc_bool_t b_seekable;
4674
4675         stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
4676         if( b_seekable )
4677         {
4678             LoadTags( );
4679         }
4680     }
4681 }
4682
4683
4684 /*****************************************************************************
4685  * Divers
4686  *****************************************************************************/
4687
4688 void matroska_segment_c::IndexAppendCluster( KaxCluster *cluster )
4689 {
4690 #define idx p_indexes[i_index]
4691     idx.i_track       = -1;
4692     idx.i_block_number= -1;
4693     idx.i_position    = cluster->GetElementPosition();
4694     idx.i_time        = -1;
4695     idx.b_key         = VLC_TRUE;
4696
4697     i_index++;
4698     if( i_index >= i_index_max )
4699     {
4700         i_index_max += 1024;
4701         p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
4702     }
4703 #undef idx
4704 }
4705
4706 static char * UTF8ToStr( const UTFstring &u )
4707 {
4708     int     i_src;
4709     const wchar_t *src;
4710     char *dst, *p;
4711
4712     i_src = u.length();
4713     src   = u.c_str();
4714
4715     p = dst = (char*)malloc( i_src + 1);
4716     while( i_src > 0 )
4717     {
4718         if( *src < 255 )
4719         {
4720             *p++ = (char)*src;
4721         }
4722         else
4723         {
4724             *p++ = '?';
4725         }
4726         src++;
4727         i_src--;
4728     }
4729     *p++= '\0';
4730
4731     return dst;
4732 }
4733
4734 void chapter_edition_c::RefreshChapters( )
4735 {
4736     chapter_item_c::RefreshChapters( b_ordered, -1 );
4737     b_display_seekpoint = false;
4738 }
4739
4740 int64_t chapter_item_c::RefreshChapters( bool b_ordered, int64_t i_prev_user_time )
4741 {
4742     int64_t i_user_time = i_prev_user_time;
4743
4744     // first the sub-chapters, and then ourself
4745     std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
4746     while ( index != sub_chapters.end() )
4747     {
4748         i_user_time = (*index)->RefreshChapters( b_ordered, i_user_time );
4749         index++;
4750     }
4751
4752     if ( b_ordered )
4753     {
4754         // the ordered chapters always start at zero
4755         if ( i_prev_user_time == -1 )
4756         {
4757             if ( i_user_time == -1 )
4758                 i_user_time = 0;
4759             i_prev_user_time = 0;
4760         }
4761
4762         i_user_start_time = i_prev_user_time;
4763         if ( i_end_time != -1 && i_user_time == i_prev_user_time )
4764         {
4765             i_user_end_time = i_user_start_time - i_start_time + i_end_time;
4766         }
4767         else
4768         {
4769             i_user_end_time = i_user_time;
4770         }
4771     }
4772     else
4773     {
4774         std::sort( sub_chapters.begin(), sub_chapters.end() );
4775         i_user_start_time = i_start_time;
4776         if ( i_end_time != -1 )
4777             i_user_end_time = i_end_time;
4778         else if ( i_user_time != -1 )
4779             i_user_end_time = i_user_time;
4780         else
4781             i_user_end_time = i_user_start_time;
4782     }
4783
4784     return i_user_end_time;
4785 }
4786
4787 mtime_t chapter_edition_c::Duration() const
4788 {
4789     mtime_t i_result = 0;
4790
4791     if ( sub_chapters.size() )
4792     {
4793         std::vector<chapter_item_c*>::const_iterator index = sub_chapters.end();
4794         index--;
4795         i_result = (*index)->i_user_end_time;
4796     }
4797
4798     return i_result;
4799 }
4800
4801 chapter_item_c * chapter_edition_c::FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current )
4802 {
4803     if ( !b_ordered )
4804         p_current = NULL;
4805     bool b_found_current = false;
4806     return chapter_item_c::FindTimecode( i_timecode, p_current, b_found_current );
4807 }
4808
4809 chapter_item_c *chapter_item_c::FindTimecode( mtime_t i_user_timecode, const chapter_item_c * p_current, bool & b_found )
4810 {
4811     chapter_item_c *psz_result = NULL;
4812
4813     if ( p_current == this )
4814         b_found = true;
4815
4816     if ( i_user_timecode >= i_user_start_time &&
4817         ( i_user_timecode < i_user_end_time ||
4818           ( i_user_start_time == i_user_end_time && i_user_timecode == i_user_end_time )))
4819     {
4820         std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
4821         while ( index != sub_chapters.end() && ((p_current == NULL && psz_result == NULL) || (p_current != NULL && (!b_found || psz_result == NULL))))
4822         {
4823             psz_result = (*index)->FindTimecode( i_user_timecode, p_current, b_found );
4824             index++;
4825         }
4826
4827         if ( psz_result == NULL )
4828             psz_result = this;
4829     }
4830
4831     return psz_result;
4832 }
4833
4834 bool chapter_item_c::ParentOf( const chapter_item_c & item ) const
4835 {
4836     if ( &item == this )
4837         return true;
4838
4839     std::vector<chapter_item_c*>::const_iterator index = sub_chapters.begin();
4840     while ( index != sub_chapters.end() )
4841     {
4842         if ( (*index)->ParentOf( item ) )
4843             return true;
4844         index++;
4845     }
4846
4847     return false;
4848 }
4849
4850 void demux_sys_t::PreloadFamily( const matroska_segment_c & of_segment )
4851 {
4852     for (size_t i=0; i<opened_segments.size(); i++)
4853     {
4854         opened_segments[i]->PreloadFamily( of_segment );
4855     }
4856 }
4857 bool matroska_segment_c::PreloadFamily( const matroska_segment_c & of_segment )
4858 {
4859     if ( b_preloaded )
4860         return false;
4861
4862     for (size_t i=0; i<families.size(); i++)
4863     {
4864         for (size_t j=0; j<of_segment.families.size(); j++)
4865         {
4866             if ( families[i] == of_segment.families[j] )
4867                 return Preload( );
4868         }
4869     }
4870
4871     return false;
4872 }
4873
4874 // preload all the linked segments for all preloaded segments
4875 void demux_sys_t::PreloadLinked( matroska_segment_c *p_segment )
4876 {
4877     size_t i_preloaded, i, j;
4878     virtual_segment_c *p_seg;
4879
4880     p_current_segment = VirtualFromSegments( p_segment );
4881
4882     used_segments.push_back( p_current_segment );
4883
4884     // create all the other virtual segments of the family
4885     do {
4886         i_preloaded = 0;
4887         for ( i=0; i< opened_segments.size(); i++ )
4888         {
4889             if ( opened_segments[i]->b_preloaded && !IsUsedSegment( *opened_segments[i] ) )
4890             {
4891                 p_seg = VirtualFromSegments( opened_segments[i] );
4892                 used_segments.push_back( p_seg );
4893                 i_preloaded++;
4894             }
4895         }
4896     } while ( i_preloaded ); // worst case: will stop when all segments are found as family related
4897
4898     // publish all editions of all usable segment
4899     for ( i=0; i< used_segments.size(); i++ )
4900     {
4901         p_seg = used_segments[i];
4902         if ( p_seg->p_editions != NULL )
4903         {
4904             std::string sz_name;
4905             input_title_t *p_title = vlc_input_title_New();
4906             p_seg->i_sys_title = i;
4907             int i_chapters;
4908
4909             // TODO use a name for each edition, let the TITLE deal with a codec name
4910             for ( j=0; j<p_seg->p_editions->size(); j++ )
4911             {
4912                 if ( p_title->psz_name == NULL )
4913                 {
4914                     sz_name = (*p_seg->p_editions)[j]->GetMainName();
4915                     if ( sz_name != "" )
4916                         p_title->psz_name = strdup( sz_name.c_str() );
4917                 }
4918
4919                 chapter_edition_c *p_edition = (*p_seg->p_editions)[j];
4920
4921                 i_chapters = 0;
4922                 p_edition->PublishChapters( *p_title, i_chapters, 0 );
4923             }
4924
4925             // create a name if there is none
4926             if ( p_title->psz_name == NULL )
4927             {
4928                 sz_name = N_("Segment ");
4929                 char psz_str[6];
4930                 sprintf( psz_str, "%d", i );
4931                 sz_name += psz_str;
4932                 p_title->psz_name = strdup( sz_name.c_str() );
4933             }
4934
4935             titles.push_back( p_title );
4936         }
4937     }
4938
4939     // TODO decide which segment should be first used (VMG for DVD)
4940 }
4941
4942 bool demux_sys_t::IsUsedSegment( matroska_segment_c &segment ) const
4943 {
4944     for ( size_t i=0; i< used_segments.size(); i++ )
4945     {
4946         if ( used_segments[i]->FindUID( *segment.p_segment_uid ) )
4947             return true;
4948     }
4949     return false;
4950 }
4951
4952 virtual_segment_c *demux_sys_t::VirtualFromSegments( matroska_segment_c *p_segment ) const
4953 {
4954     size_t i_preloaded, i;
4955
4956     virtual_segment_c *p_result = new virtual_segment_c( p_segment );
4957
4958     // fill our current virtual segment with all hard linked segments
4959     do {
4960         i_preloaded = 0;
4961         for ( i=0; i< opened_segments.size(); i++ )
4962         {
4963             i_preloaded += p_result->AddSegment( opened_segments[i] );
4964         }
4965     } while ( i_preloaded ); // worst case: will stop when all segments are found as linked
4966
4967     p_result->Sort( );
4968
4969     p_result->PreloadLinked( );
4970
4971     p_result->PrepareChapters( );
4972
4973     return p_result;
4974 }
4975
4976 bool demux_sys_t::PreparePlayback( virtual_segment_c *p_new_segment )
4977 {
4978     if ( p_new_segment != NULL && p_new_segment != p_current_segment )
4979     {
4980         if ( p_current_segment != NULL && p_current_segment->Segment() != NULL )
4981             p_current_segment->Segment()->UnSelect();
4982
4983         p_current_segment = p_new_segment;
4984         i_current_title = p_new_segment->i_sys_title;
4985     }
4986
4987     p_current_segment->LoadCues();
4988     f_duration = p_current_segment->Duration();
4989
4990     /* add information */
4991     p_current_segment->Segment()->InformationCreate( );
4992
4993     p_current_segment->Segment()->Select( 0 );
4994
4995     return true;
4996 }
4997
4998 void demux_sys_t::JumpTo( virtual_segment_c & vsegment, chapter_item_c * p_chapter )
4999 {
5000     // if the segment is not part of the current segment, select the new one
5001     if ( &vsegment != p_current_segment )
5002     {
5003         PreparePlayback( &vsegment );
5004     }
5005
5006     if ( p_chapter != NULL )
5007     {
5008         if ( !p_chapter->Enter( true ) )
5009         {
5010             // jump to the location in the found segment
5011             vsegment.Seek( demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5012         }
5013     }
5014
5015 }
5016
5017 bool matroska_segment_c::CompareSegmentUIDs( const matroska_segment_c * p_item_a, const matroska_segment_c * p_item_b )
5018 {
5019     EbmlBinary * p_itema = (EbmlBinary *)(p_item_a->p_segment_uid);
5020     if ( *p_itema == *p_item_b->p_prev_segment_uid )
5021         return true;
5022
5023     p_itema = (EbmlBinary *)(&p_item_a->p_next_segment_uid);
5024     if ( *p_itema == *p_item_b->p_segment_uid )
5025         return true;
5026
5027     if ( *p_itema == *p_item_b->p_prev_segment_uid )
5028         return true;
5029
5030     return false;
5031 }
5032
5033 bool matroska_segment_c::Preload( )
5034 {
5035     if ( b_preloaded )
5036         return false;
5037
5038     EbmlElement *el = NULL;
5039
5040     ep->Reset( &sys.demuxer );
5041
5042     while( ( el = ep->Get() ) != NULL )
5043     {
5044         if( MKV_IS_ID( el, KaxInfo ) )
5045         {
5046             ParseInfo( static_cast<KaxInfo*>( el ) );
5047         }
5048         else if( MKV_IS_ID( el, KaxTracks ) )
5049         {
5050             ParseTracks( static_cast<KaxTracks*>( el ) );
5051         }
5052         else if( MKV_IS_ID( el, KaxSeekHead ) )
5053         {
5054             ParseSeekHead( static_cast<KaxSeekHead*>( el ) );
5055         }
5056         else if( MKV_IS_ID( el, KaxCues ) )
5057         {
5058             msg_Dbg( &sys.demuxer, "|   + Cues" );
5059         }
5060         else if( MKV_IS_ID( el, KaxCluster ) )
5061         {
5062             msg_Dbg( &sys.demuxer, "|   + Cluster" );
5063
5064             cluster = (KaxCluster*)el;
5065
5066             i_cluster_pos = i_start_pos = cluster->GetElementPosition();
5067             ParseCluster( );
5068
5069             ep->Down();
5070             /* stop parsing the stream */
5071             break;
5072         }
5073         else if( MKV_IS_ID( el, KaxAttachments ) )
5074         {
5075             msg_Dbg( &sys.demuxer, "|   + Attachments FIXME (but probably never supported)" );
5076         }
5077         else if( MKV_IS_ID( el, KaxChapters ) )
5078         {
5079             msg_Dbg( &sys.demuxer, "|   + Chapters" );
5080             ParseChapters( static_cast<KaxChapters*>( el ) );
5081         }
5082         else if( MKV_IS_ID( el, KaxTag ) )
5083         {
5084             msg_Dbg( &sys.demuxer, "|   + Tags FIXME TODO" );
5085         }
5086         else
5087         {
5088             msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid(*el).name() );
5089         }
5090     }
5091
5092     b_preloaded = true;
5093
5094     return true;
5095 }
5096
5097 matroska_segment_c *demux_sys_t::FindSegment( const EbmlBinary & uid ) const
5098 {
5099     for (size_t i=0; i<opened_segments.size(); i++)
5100     {
5101         if ( *opened_segments[i]->p_segment_uid == uid )
5102             return opened_segments[i];
5103     }
5104     return NULL;
5105 }
5106
5107 chapter_item_c *demux_sys_t::BrowseCodecPrivate( unsigned int codec_id,
5108                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
5109                                         const void *p_cookie,
5110                                         size_t i_cookie_size,
5111                                         virtual_segment_c * &p_segment_found )
5112 {
5113     chapter_item_c *p_result = NULL;
5114     for (size_t i=0; i<used_segments.size(); i++)
5115     {
5116         p_result = used_segments[i]->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
5117         if ( p_result != NULL )
5118         {
5119             p_segment_found = used_segments[i];
5120             break;
5121         }
5122     }
5123     return p_result;
5124 }
5125
5126 chapter_item_c *demux_sys_t::FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found )
5127 {
5128     chapter_item_c *p_result = NULL;
5129     for (size_t i=0; i<used_segments.size(); i++)
5130     {
5131         p_result = used_segments[i]->FindChapter( i_find_uid );
5132         if ( p_result != NULL )
5133         {
5134             p_segment_found = used_segments[i];
5135             break;
5136         }
5137     }
5138     return p_result;
5139 }
5140
5141 void virtual_segment_c::Sort()
5142 {
5143     // keep the current segment index
5144     matroska_segment_c *p_segment = linked_segments[i_current_segment];
5145
5146     std::sort( linked_segments.begin(), linked_segments.end(), matroska_segment_c::CompareSegmentUIDs );
5147
5148     for ( i_current_segment=0; i_current_segment<linked_segments.size(); i_current_segment++)
5149         if ( linked_segments[i_current_segment] == p_segment )
5150             break;
5151 }
5152
5153 size_t virtual_segment_c::AddSegment( matroska_segment_c *p_segment )
5154 {
5155     size_t i;
5156     // check if it's not already in here
5157     for ( i=0; i<linked_segments.size(); i++ )
5158     {
5159         if ( *p_segment->p_segment_uid == *linked_segments[i]->p_segment_uid )
5160             return 0;
5161     }
5162
5163     // find possible mates
5164     for ( i=0; i<linked_uids.size(); i++ )
5165     {
5166         if (   (p_segment->p_segment_uid != NULL && *p_segment->p_segment_uid == linked_uids[i])
5167             || (p_segment->p_prev_segment_uid != NULL && *p_segment->p_prev_segment_uid == linked_uids[i])
5168             || (p_segment->p_next_segment_uid !=NULL && *p_segment->p_next_segment_uid == linked_uids[i]) )
5169         {
5170             linked_segments.push_back( p_segment );
5171
5172             AppendUID( p_segment->p_prev_segment_uid );
5173             AppendUID( p_segment->p_next_segment_uid );
5174
5175             return 1;
5176         }
5177     }
5178     return 0;
5179 }
5180
5181 void virtual_segment_c::PreloadLinked( )
5182 {
5183     for ( size_t i=0; i<linked_segments.size(); i++ )
5184     {
5185         linked_segments[i]->Preload( );
5186     }
5187     i_current_edition = linked_segments[0]->i_default_edition;
5188 }
5189
5190 mtime_t virtual_segment_c::Duration() const
5191 {
5192     mtime_t i_duration;
5193     if ( linked_segments.size() == 0 )
5194         i_duration = 0;
5195     else {
5196         matroska_segment_c *p_last_segment = linked_segments[linked_segments.size()-1];
5197 //        p_last_segment->ParseCluster( );
5198
5199         i_duration = p_last_segment->i_start_time / 1000 + p_last_segment->i_duration;
5200     }
5201     return i_duration;
5202 }
5203
5204 void virtual_segment_c::LoadCues( )
5205 {
5206     for ( size_t i=0; i<linked_segments.size(); i++ )
5207     {
5208         linked_segments[i]->LoadCues();
5209     }
5210 }
5211
5212 void virtual_segment_c::AppendUID( const EbmlBinary * p_UID )
5213 {
5214     if ( p_UID == NULL )
5215         return;
5216     if ( p_UID->GetBuffer() == NULL )
5217         return;
5218
5219     for (size_t i=0; i<linked_uids.size(); i++)
5220     {
5221         if ( *p_UID == linked_uids[i] )
5222             return;
5223     }
5224     linked_uids.push_back( *(KaxSegmentUID*)(p_UID) );
5225 }
5226
5227 void matroska_segment_c::Seek( mtime_t i_date, mtime_t i_time_offset )
5228 {
5229     KaxBlock    *block;
5230     int         i_track_skipping;
5231     int64_t     i_block_duration;
5232     int64_t     i_block_ref1;
5233     int64_t     i_block_ref2;
5234     size_t      i_track;
5235     int64_t     i_seek_position = i_start_pos;
5236     int64_t     i_seek_time = i_start_time;
5237
5238     if ( i_index > 0 )
5239     {
5240         int i_idx = 0;
5241
5242         for( ; i_idx < i_index; i_idx++ )
5243         {
5244             if( p_indexes[i_idx].i_time + i_time_offset > i_date )
5245             {
5246                 break;
5247             }
5248         }
5249
5250         if( i_idx > 0 )
5251         {
5252             i_idx--;
5253         }
5254
5255         i_seek_position = p_indexes[i_idx].i_position;
5256         i_seek_time = p_indexes[i_idx].i_time;
5257     }
5258
5259     msg_Dbg( &sys.demuxer, "seek got "I64Fd" (%d%%)",
5260                 i_seek_time, (int)( 100 * i_seek_position / stream_Size( sys.demuxer.s ) ) );
5261
5262     es.I_O().setFilePointer( i_seek_position, seek_beginning );
5263
5264     delete ep;
5265     ep = new EbmlParser( &es, segment, &sys.demuxer );
5266     cluster = NULL;
5267
5268     sys.i_start_pts = i_date;
5269
5270     es_out_Control( sys.demuxer.out, ES_OUT_RESET_PCR );
5271
5272     /* now parse until key frame */
5273     i_track_skipping = 0;
5274     for( i_track = 0; i_track < tracks.size(); i_track++ )
5275     {
5276         if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5277         {
5278             tracks[i_track]->b_search_keyframe = VLC_TRUE;
5279             i_track_skipping++;
5280         }
5281         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_date );
5282     }
5283
5284
5285     while( i_track_skipping > 0 )
5286     {
5287         if( BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
5288         {
5289             msg_Warn( &sys.demuxer, "cannot get block EOF?" );
5290
5291             return;
5292         }
5293         ep->Down();
5294
5295         for( i_track = 0; i_track < tracks.size(); i_track++ )
5296         {
5297             if( tracks[i_track]->i_number == block->TrackNum() )
5298             {
5299                 break;
5300             }
5301         }
5302
5303         sys.i_pts = (sys.i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
5304
5305         if( i_track < tracks.size() )
5306         {
5307            if( sys.i_pts >= sys.i_start_pts )
5308             {
5309                 cluster = static_cast<KaxCluster*>(ep->UnGet( i_block_pos, i_cluster_pos ));
5310                 i_track_skipping = 0;
5311             }
5312             else if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5313             {
5314                 if( i_block_ref1 == 0 && tracks[i_track]->b_search_keyframe )
5315                 {
5316                     tracks[i_track]->b_search_keyframe = VLC_FALSE;
5317                     i_track_skipping--;
5318                 }
5319                 if( !tracks[i_track]->b_search_keyframe )
5320                 {
5321                     BlockDecode( &sys.demuxer, block, sys.i_pts, 0 );
5322                 }
5323             }
5324         }
5325
5326         delete block;
5327     }
5328 }
5329
5330 void virtual_segment_c::Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter )
5331 {
5332     demux_sys_t *p_sys = demuxer.p_sys;
5333     size_t i;
5334
5335     // find the actual time for an ordered edition
5336     if ( psz_chapter == NULL )
5337     {
5338         if ( Edition() && Edition()->b_ordered )
5339         {
5340             /* 1st, we need to know in which chapter we are */
5341             psz_chapter = (*p_editions)[i_current_edition]->FindTimecode( i_date, psz_current_chapter );
5342         }
5343     }
5344
5345     if ( psz_chapter != NULL )
5346     {
5347         psz_current_chapter = psz_chapter;
5348         p_sys->i_chapter_time = i_time_offset = psz_chapter->i_user_start_time - psz_chapter->i_start_time;
5349         if ( psz_chapter->i_seekpoint_num > 0 )
5350         {
5351             demuxer.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
5352             demuxer.info.i_title = p_sys->i_current_title = i_sys_title;
5353             demuxer.info.i_seekpoint = psz_chapter->i_seekpoint_num - 1;
5354         }
5355     }
5356
5357     // find the best matching segment
5358     for ( i=0; i<linked_segments.size(); i++ )
5359     {
5360         if ( i_date < linked_segments[i]->i_start_time )
5361             break;
5362     }
5363
5364     if ( i > 0 )
5365         i--;
5366
5367     if ( i_current_segment != i  )
5368     {
5369         linked_segments[i_current_segment]->UnSelect();
5370         linked_segments[i]->Select( i_date );
5371         i_current_segment = i;
5372     }
5373
5374     linked_segments[i]->Seek( i_date, i_time_offset );
5375 }
5376
5377 void chapter_codec_cmds_c::AddCommand( const KaxChapterProcessCommand & command )
5378 {
5379     size_t i;
5380
5381     uint32 codec_time = uint32(-1);
5382     for( i = 0; i < command.ListSize(); i++ )
5383     {
5384         const EbmlElement *k = command[i];
5385
5386         if( MKV_IS_ID( k, KaxChapterProcessTime ) )
5387         {
5388             codec_time = uint32( *static_cast<const KaxChapterProcessTime*>( k ) );
5389             break;
5390         }
5391     }
5392
5393     for( i = 0; i < command.ListSize(); i++ )
5394     {
5395         const EbmlElement *k = command[i];
5396
5397         if( MKV_IS_ID( k, KaxChapterProcessData ) )
5398         {
5399             KaxChapterProcessData *p_data =  new KaxChapterProcessData( *static_cast<const KaxChapterProcessData*>( k ) );
5400             switch ( codec_time )
5401             {
5402             case 0:
5403                 during_cmds.push_back( p_data );
5404                 break;
5405             case 1:
5406                 enter_cmds.push_back( p_data );
5407                 break;
5408             case 2:
5409                 leave_cmds.push_back( p_data );
5410                 break;
5411             default:
5412                 delete p_data;
5413             }
5414         }
5415     }
5416 }
5417
5418 bool chapter_item_c::Enter( bool b_do_subs )
5419 {
5420     bool f_result = false;
5421     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5422     while ( index != codecs.end() )
5423     {
5424         f_result |= (*index)->Enter();
5425         index++;
5426     }
5427
5428     if ( b_do_subs )
5429     {
5430         // sub chapters
5431         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5432         while ( index_ != sub_chapters.end() )
5433         {
5434             f_result |= (*index_)->Enter( true );
5435             index_++;
5436         }
5437     }
5438     return f_result;
5439 }
5440
5441 bool chapter_item_c::Leave( bool b_do_subs )
5442 {
5443     bool f_result = false;
5444     b_is_leaving = true;
5445     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5446     while ( index != codecs.end() )
5447     {
5448         f_result |= (*index)->Leave();
5449         index++;
5450     }
5451
5452     if ( b_do_subs )
5453     {
5454         // sub chapters
5455         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5456         while ( index_ != sub_chapters.end() )
5457         {
5458             f_result |= (*index_)->Leave( true );
5459             index_++;
5460         }
5461     }
5462     b_is_leaving = false;
5463     return f_result;
5464 }
5465
5466 bool chapter_item_c::EnterAndLeave( chapter_item_c *p_item, bool b_final_enter )
5467 {
5468     chapter_item_c *p_common_parent = p_item;
5469
5470     // leave, up to a common parent
5471     while ( p_common_parent != NULL && !p_common_parent->ParentOf( *this ) )
5472     {
5473         if ( !p_common_parent->b_is_leaving && p_common_parent->Leave( false ) )
5474             return true;
5475         p_common_parent = p_common_parent->psz_parent;
5476     }
5477
5478     // enter from the parent to <this>
5479     if ( p_common_parent != NULL )
5480     {
5481         do
5482         {
5483             if ( p_common_parent == this )
5484                 return Enter( true );
5485
5486             for ( size_t i = 0; i<p_common_parent->sub_chapters.size(); i++ )
5487             {
5488                 if ( p_common_parent->sub_chapters[i]->ParentOf( *this ) )
5489                 {
5490                     p_common_parent = p_common_parent->sub_chapters[i];
5491                     if ( p_common_parent != this )
5492                         if ( p_common_parent->Enter( false ) )
5493                             return true;
5494
5495                     break;
5496                 }
5497             }
5498         } while ( 1 );
5499     }
5500
5501     if ( b_final_enter )
5502         return Enter( true );
5503     else
5504         return false;
5505 }
5506
5507 bool dvd_chapter_codec_c::Enter()
5508 {
5509     bool f_result = false;
5510     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
5511     while ( index != enter_cmds.end() )
5512     {
5513         if ( (*index)->GetSize() )
5514         {
5515             binary *p_data = (*index)->GetBuffer();
5516             size_t i_size = *p_data++;
5517             // avoid reading too much from the buffer
5518             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
5519             for ( ; i_size > 0; i_size--, p_data += 8 )
5520             {
5521                 msg_Dbg( &sys.demuxer, "Matroska DVD enter command" );
5522                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5523             }
5524         }
5525         index++;
5526     }
5527     return f_result;
5528 }
5529
5530 bool dvd_chapter_codec_c::Leave()
5531 {
5532     bool f_result = false;
5533     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
5534     while ( index != leave_cmds.end() )
5535     {
5536         if ( (*index)->GetSize() )
5537         {
5538             binary *p_data = (*index)->GetBuffer();
5539             size_t i_size = *p_data++;
5540             // avoid reading too much from the buffer
5541             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
5542             for ( ; i_size > 0; i_size--, p_data += 8 )
5543             {
5544                 msg_Dbg( &sys.demuxer, "Matroska DVD leave command" );
5545                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5546             }
5547         }
5548         index++;
5549     }
5550     return f_result;
5551 }
5552
5553 // see http://www.dvd-replica.com/DVD/vmcmdset.php for a description of DVD commands
5554 bool dvd_command_interpretor_c::Interpret( const binary * p_command, size_t i_size )
5555 {
5556     if ( i_size != 8 )
5557         return false;
5558
5559     virtual_segment_c *p_segment;
5560     chapter_item_c *p_chapter;
5561     bool f_result = false;
5562     uint16 i_command = ( p_command[0] << 8 ) + p_command[1];
5563
5564     // handle register tests if there are some
5565     if ( (i_command & 0xF0) != 0 )
5566     {
5567         bool b_test_positive = true;//(i_command & CMD_DVD_IF_NOT) == 0;
5568         bool b_test_value    = (i_command & CMD_DVD_TEST_VALUE) != 0;
5569         uint8 i_test = i_command & 0x70;
5570         uint16 i_value;
5571
5572         // see http://dvd.sourceforge.net/dvdinfo/vmi.html
5573         uint8  i_cr1;
5574         uint16 i_cr2;
5575         switch ( i_command >> 12 )
5576         {
5577         default:
5578             i_cr1 = p_command[3];
5579             i_cr2 = (p_command[4] << 8) + p_command[5];
5580             break;
5581         case 3:
5582         case 4:
5583         case 5:
5584             i_cr1 = p_command[6];
5585             i_cr2 = p_command[7];
5586             b_test_value = false;
5587             break;
5588         case 6:
5589         case 7:
5590             if ( ((p_command[1] >> 4) & 0x7) == 0)
5591             {
5592                 i_cr1 = p_command[2];
5593                 i_cr2 = (p_command[6] << 8) + p_command[7];
5594             }
5595             else
5596             {
5597                 i_cr1 = p_command[2];
5598                 i_cr2 = (p_command[6] << 8) + p_command[7];
5599             }
5600             break;
5601         }
5602
5603         if ( b_test_value )
5604             i_value = i_cr2;
5605         else
5606             i_value = GetPRM( i_cr2 );
5607
5608         switch ( i_test )
5609         {
5610         case CMD_DVD_IF_GPREG_EQUAL:
5611             // if equals
5612             msg_Dbg( &sys.demuxer, "IF %s EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5613             if (!( GetPRM( i_cr1 ) == i_value ))
5614             {
5615                 b_test_positive = false;
5616             }
5617             break;
5618         case CMD_DVD_IF_GPREG_NOT_EQUAL:
5619             // if not equals
5620             msg_Dbg( &sys.demuxer, "IF %s NOT EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5621             if (!( GetPRM( i_cr1 ) != i_value ))
5622             {
5623                 b_test_positive = false;
5624             }
5625             break;
5626         case CMD_DVD_IF_GPREG_INF:
5627             // if inferior
5628             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5629             if (!( GetPRM( i_cr1 ) < i_value ))
5630             {
5631                 b_test_positive = false;
5632             }
5633             break;
5634         case CMD_DVD_IF_GPREG_INF_EQUAL:
5635             // if inferior or equal
5636             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5637             if (!( GetPRM( i_cr1 ) <= i_value ))
5638             {
5639                 b_test_positive = false;
5640             }
5641             break;
5642         case CMD_DVD_IF_GPREG_AND:
5643             // if logical and
5644             msg_Dbg( &sys.demuxer, "IF %s & %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5645             if (!( GetPRM( i_cr1 ) & i_value ))
5646             {
5647                 b_test_positive = false;
5648             }
5649             break;
5650         case CMD_DVD_IF_GPREG_SUP:
5651             // if superior
5652             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5653             if (!( GetPRM( i_cr1 ) > i_value ))
5654             {
5655                 b_test_positive = false;
5656             }
5657             break;
5658         case CMD_DVD_IF_GPREG_SUP_EQUAL:
5659             // if superior or equal
5660             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5661             if (!( GetPRM( i_cr1 ) >= i_value ))
5662             {
5663                 b_test_positive = false;
5664             }
5665             break;
5666         }
5667
5668         if ( !b_test_positive )
5669             return false;
5670     }
5671
5672     // strip the test command
5673     i_command &= 0xFF0F;
5674
5675     switch ( i_command )
5676     {
5677     case CMD_DVD_NOP:
5678     case CMD_DVD_NOP2:
5679         {
5680             msg_Dbg( &sys.demuxer, "NOP" );
5681             break;
5682         }
5683     case CMD_DVD_BREAK:
5684         {
5685             msg_Dbg( &sys.demuxer, "Break" );
5686             // TODO
5687             break;
5688         }
5689     case CMD_DVD_JUMP_TT:
5690         {
5691             uint8 i_title = p_command[5];
5692             msg_Dbg( &sys.demuxer, "JumpTT %d", i_title );
5693
5694             // find in the ChapProcessPrivate matching this Title level
5695             p_chapter = sys.BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title), p_segment );
5696             if ( p_segment != NULL )
5697             {
5698                 sys.JumpTo( *p_segment, p_chapter );
5699                 f_result = true;
5700             }
5701
5702             break;
5703         }
5704     case CMD_DVD_CALLSS_VTSM1:
5705         {
5706             msg_Dbg( &sys.demuxer, "CallSS" );
5707             binary p_type;
5708             switch( (p_command[6] & 0xC0) >> 6 ) {
5709                 case 0:
5710                     p_type = p_command[5] & 0x0F;
5711                     switch ( p_type )
5712                     {
5713                     case 0x00:
5714                         msg_Dbg( &sys.demuxer, "CallSS PGC (rsm_cell %x)", p_command[4]);
5715                         break;
5716                     case 0x02:
5717                         msg_Dbg( &sys.demuxer, "CallSS Title Entry (rsm_cell %x)", p_command[4]);
5718                         break;
5719                     case 0x03:
5720                         msg_Dbg( &sys.demuxer, "CallSS Root Menu (rsm_cell %x)", p_command[4]);
5721                         break;
5722                     case 0x04:
5723                         msg_Dbg( &sys.demuxer, "CallSS Subpicture Menu (rsm_cell %x)", p_command[4]);
5724                         break;
5725                     case 0x05:
5726                         msg_Dbg( &sys.demuxer, "CallSS Audio Menu (rsm_cell %x)", p_command[4]);
5727                         break;
5728                     case 0x06:
5729                         msg_Dbg( &sys.demuxer, "CallSS Angle Menu (rsm_cell %x)", p_command[4]);
5730                         break;
5731                     case 0x07:
5732                         msg_Dbg( &sys.demuxer, "CallSS Chapter Menu (rsm_cell %x)", p_command[4]);
5733                         break;
5734                     default:
5735                         msg_Dbg( &sys.demuxer, "CallSS <unknown> (rsm_cell %x)", p_command[4]);
5736                         break;
5737                     }
5738                     p_chapter = sys.BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1, p_segment );
5739                     if ( p_segment != NULL )
5740                     {
5741                         sys.JumpTo( *p_segment, p_chapter );
5742                         f_result = true;
5743                     }
5744                 break;
5745                 case 1:
5746                     msg_Dbg( &sys.demuxer, "CallSS VMGM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
5747                 break;
5748                 case 2:
5749                     msg_Dbg( &sys.demuxer, "CallSS VTSM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
5750                 break;
5751                 case 3:
5752                     msg_Dbg( &sys.demuxer, "CallSS VMGM (pgc %d, rsm_cell %x)", (p_command[2] << 8) + p_command[3], p_command[4]);
5753                 break;
5754             }
5755             break;
5756         }
5757     case CMD_DVD_JUMP_SS:
5758         {
5759             msg_Dbg( &sys.demuxer, "JumpSS");
5760             binary p_type;
5761             switch( (p_command[5] & 0xC0) >> 6 ) {
5762                 case 0:
5763                     msg_Dbg( &sys.demuxer, "JumpSS FP");
5764                 break;
5765                 case 1:
5766                     p_type = p_command[5] & 0x0F;
5767                     switch ( p_type )
5768                     {
5769                     case 0x02:
5770                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Title Entry");
5771                         break;
5772                     case 0x03:
5773                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Root Menu");
5774                         break;
5775                     case 0x04:
5776                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Subpicture Menu");
5777                         break;
5778                     case 0x05:
5779                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Audio Menu");
5780                         break;
5781                     case 0x06:
5782                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Angle Menu");
5783                         break;
5784                     case 0x07:
5785                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Chapter Menu");
5786                         break;
5787                     default:
5788                         msg_Dbg( &sys.demuxer, "JumpSS <unknown>");
5789                         break;
5790                     }
5791                     // find the VMG
5792                     p_chapter = sys.BrowseCodecPrivate( 1, MatchIsVMG, NULL, 0, p_segment );
5793                     if ( p_segment != NULL )
5794                     {
5795                         p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
5796                         if ( p_chapter != NULL )
5797                         {
5798                             sys.JumpTo( *p_segment, p_chapter );
5799                             f_result = true;
5800                         }
5801                     }
5802                 break;
5803                 case 2:
5804                     p_type = p_command[5] & 0x0F;
5805                     switch ( p_type )
5806                     {
5807                     case 0x02:
5808                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Title Entry", p_command[4], p_command[3]);
5809                         break;
5810                     case 0x03:
5811                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Root Menu", p_command[4], p_command[3]);
5812                         break;
5813                     case 0x04:
5814                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Subpicture Menu", p_command[4], p_command[3]);
5815                         break;
5816                     case 0x05:
5817                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Audio Menu", p_command[4], p_command[3]);
5818                         break;
5819                     case 0x06:
5820                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Angle Menu", p_command[4], p_command[3]);
5821                         break;
5822                     case 0x07:
5823                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Chapter Menu", p_command[4], p_command[3]);
5824                         break;
5825                     default:
5826                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) <unknown>", p_command[4], p_command[3]);
5827                         break;
5828                     }
5829
5830                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSMNumber, &p_command[4], 1, p_segment );
5831
5832                     if ( p_segment != NULL && p_chapter != NULL )
5833                     {
5834                         // find the title in the VTS
5835                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &p_command[3], 1 );
5836                         if ( p_chapter != NULL )
5837                         {
5838                             // find the specified menu in the VTSM
5839                             p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
5840                             if ( p_chapter != NULL )
5841                             {
5842                                 sys.JumpTo( *p_segment, p_chapter );
5843                                 f_result = true;
5844                             }
5845                         }
5846                         else
5847                             msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", p_command[3] );
5848                     }
5849                     else
5850                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", p_command[4] );
5851                 break;
5852                 case 3:
5853                     msg_Dbg( &sys.demuxer, "JumpSS VMGM (pgc %d)", (p_command[2] << 8) + p_command[3]);
5854                 break;
5855             }
5856             break;
5857         }
5858     case CMD_DVD_JUMPVTS_PTT:
5859         {
5860             uint8 i_title = p_command[5];
5861             uint8 i_ptt = p_command[3];
5862
5863             msg_Dbg( &sys.demuxer, "JumpVTS Title (%d) PTT (%d)", i_title, i_ptt);
5864
5865             // find the current VTS content segment
5866             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchIsDomain, NULL, 0 );
5867             if ( p_chapter != NULL )
5868             {
5869                 int16 i_curr_title = p_chapter->GetTitleNumber( );
5870                 if ( i_curr_title > 0 )
5871                 {
5872                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSNumber, &i_curr_title, sizeof(i_curr_title), p_segment );
5873
5874                     if ( p_segment != NULL && p_chapter != NULL )
5875                     {
5876                         // find the title in the VTS
5877                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title) );
5878                         if ( p_chapter != NULL )
5879                         {
5880                             // find the chapter in the title
5881                             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchChapterNumber, &i_ptt, sizeof(i_ptt) );
5882                             if ( p_chapter != NULL )
5883                             {
5884                                 sys.JumpTo( *p_segment, p_chapter );
5885                                 f_result = true;
5886                             }
5887                         }
5888                     else
5889                         msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", i_title );
5890                     }
5891                     else
5892                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", i_curr_title );
5893                 }
5894                 else
5895                     msg_Dbg( &sys.demuxer, "JumpVTS_PTT command found but not in a VTS(M)");
5896             }
5897             else
5898                 msg_Dbg( &sys.demuxer, "JumpVTS_PTT command but the DVD domain wasn't found");
5899             break;
5900         }
5901     case CMD_DVD_SET_GPRMMD:
5902         {
5903             msg_Dbg( &sys.demuxer, "Set GPRMMD [%d]=%d", (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3]);
5904
5905             if ( !SetGPRM( (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3] ) )
5906                 msg_Dbg( &sys.demuxer, "Set GPRMMD failed" );
5907             break;
5908         }
5909     case CMD_DVD_LINKPGCN:
5910         {
5911             uint16 i_pgcn = (p_command[6] << 8) + p_command[7];
5912
5913             msg_Dbg( &sys.demuxer, "Link PGCN(%d)", i_pgcn );
5914             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchPgcNumber, &i_pgcn, 2 );
5915             if ( p_chapter != NULL )
5916             {
5917                 if ( !p_chapter->Enter( true ) )
5918                     // jump to the location in the found segment
5919                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5920
5921                 f_result = true;
5922             }
5923             break;
5924         }
5925     case CMD_DVD_LINKCN:
5926         {
5927             uint8 i_cn = p_command[7];
5928
5929             p_chapter = sys.p_current_segment->CurrentChapter();
5930
5931             msg_Dbg( &sys.demuxer, "LinkCN (cell %d)", i_cn );
5932             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchCellNumber, &i_cn, 1 );
5933             if ( p_chapter != NULL )
5934             {
5935                 if ( !p_chapter->Enter( true ) )
5936                     // jump to the location in the found segment
5937                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5938
5939                 f_result = true;
5940             }
5941             break;
5942         }
5943     case CMD_DVD_GOTO_LINE:
5944         {
5945             msg_Dbg( &sys.demuxer, "GotoLine (%d)", (p_command[6] << 8) + p_command[7] );
5946             // TODO
5947             break;
5948         }
5949     case CMD_DVD_SET_HL_BTNN1:
5950         {
5951             msg_Dbg( &sys.demuxer, "SetHL_BTN (%d)", p_command[4] );
5952             SetSPRM( 0x88, p_command[4] );
5953             break;
5954         }
5955     default:
5956         {
5957             msg_Dbg( &sys.demuxer, "unsupported command : %02X %02X %02X %02X %02X %02X %02X %02X"
5958                      ,p_command[0]
5959                      ,p_command[1]
5960                      ,p_command[2]
5961                      ,p_command[3]
5962                      ,p_command[4]
5963                      ,p_command[5]
5964                      ,p_command[6]
5965                      ,p_command[7]);
5966             break;
5967         }
5968     }
5969
5970     return f_result;
5971 }
5972
5973 bool dvd_command_interpretor_c::MatchIsDomain( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5974 {
5975     return ( data.p_private_data != NULL && data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS );
5976 }
5977
5978 bool dvd_command_interpretor_c::MatchIsVMG( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5979 {
5980     if ( data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
5981         return false;
5982
5983     return ( data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS && data.p_private_data->GetBuffer()[1] == 0xC0);
5984 }
5985
5986 bool dvd_command_interpretor_c::MatchVTSNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5987 {
5988     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
5989         return false;
5990
5991     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x80 )
5992         return false;
5993
5994     uint16 i_gtitle = (data.p_private_data->GetBuffer()[2] << 8 ) + data.p_private_data->GetBuffer()[3];
5995     uint16 i_title = *(uint16*)p_cookie;
5996
5997     return (i_gtitle == i_title);
5998 }
5999
6000 bool dvd_command_interpretor_c::MatchVTSMNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6001 {
6002     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6003         return false;
6004
6005     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x40 )
6006         return false;
6007
6008     uint8 i_gtitle = data.p_private_data->GetBuffer()[3];
6009     uint8 i_title = *(uint8*)p_cookie;
6010
6011     return (i_gtitle == i_title);
6012 }
6013
6014 bool dvd_command_interpretor_c::MatchTitleNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6015 {
6016     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6017         return false;
6018
6019     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_TT )
6020         return false;
6021
6022     uint16 i_gtitle = (data.p_private_data->GetBuffer()[1] << 8 ) + data.p_private_data->GetBuffer()[2];
6023     uint8 i_title = *(uint8*)p_cookie;
6024
6025     return (i_gtitle == i_title);
6026 }
6027
6028 bool dvd_command_interpretor_c::MatchPgcType( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6029 {
6030     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6031         return false;
6032
6033     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6034         return false;
6035
6036     uint8 i_pgc_type = data.p_private_data->GetBuffer()[3] & 0x0F;
6037     uint8 i_pgc = *(uint8*)p_cookie;
6038
6039     return (i_pgc_type == i_pgc);
6040 }
6041
6042 bool dvd_command_interpretor_c::MatchPgcNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6043 {
6044     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6045         return false;
6046
6047     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6048         return false;
6049
6050     uint16 *i_pgc_n = (uint16 *)p_cookie;
6051     uint16 i_pgc_num = (data.p_private_data->GetBuffer()[1] << 8) + data.p_private_data->GetBuffer()[2];
6052
6053     return (i_pgc_num == *i_pgc_n);
6054 }
6055
6056 bool dvd_command_interpretor_c::MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6057 {
6058     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
6059         return false;
6060
6061     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PTT )
6062         return false;
6063
6064     uint8 i_chapter = data.p_private_data->GetBuffer()[1];
6065     uint8 i_ptt = *(uint8*)p_cookie;
6066
6067     return (i_chapter == i_ptt);
6068 }
6069
6070 bool dvd_command_interpretor_c::MatchCellNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6071 {
6072     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 5 )
6073         return false;
6074
6075     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_CN )
6076         return false;
6077
6078     uint8 *i_cell_n = (uint8 *)p_cookie;
6079     uint8 i_cell_num = data.p_private_data->GetBuffer()[3];
6080
6081     return (i_cell_num == *i_cell_n);
6082 }
6083
6084 bool matroska_script_codec_c::Enter()
6085 {
6086     bool f_result = false;
6087     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
6088     while ( index != enter_cmds.end() )
6089     {
6090         if ( (*index)->GetSize() )
6091         {
6092             msg_Dbg( &sys.demuxer, "Matroska Script enter command" );
6093             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6094         }
6095         index++;
6096     }
6097     return f_result;
6098 }
6099
6100 bool matroska_script_codec_c::Leave()
6101 {
6102     bool f_result = false;
6103     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
6104     while ( index != leave_cmds.end() )
6105     {
6106         if ( (*index)->GetSize() )
6107         {
6108             msg_Dbg( &sys.demuxer, "Matroska Script leave command" );
6109             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6110         }
6111         index++;
6112     }
6113     return f_result;
6114 }
6115
6116 // see http://www.matroska.org/technical/specs/chapters/index.html#mscript
6117 //  for a description of existing commands
6118 bool matroska_script_interpretor_c::Interpret( const binary * p_command, size_t i_size )
6119 {
6120     bool b_result = false;
6121
6122     char *psz_str = (char*) malloc( i_size + 1 );
6123     memcpy( psz_str, p_command, i_size );
6124     psz_str[ i_size ] = '\0';
6125
6126     std::string sz_command = psz_str;
6127     free( psz_str );
6128
6129     msg_Dbg( &sys.demuxer, "command : %s", sz_command.c_str() );
6130
6131 #if defined(__GNUC__) && (__GNUC__ < 3)
6132     if ( sz_command.compare( CMD_MS_GOTO_AND_PLAY, 0, CMD_MS_GOTO_AND_PLAY.size() ) == 0 )
6133 #else
6134     if ( sz_command.compare( 0, CMD_MS_GOTO_AND_PLAY.size(), CMD_MS_GOTO_AND_PLAY ) == 0 )
6135 #endif
6136     {
6137         size_t i,j;
6138
6139         // find the (
6140         for ( i=CMD_MS_GOTO_AND_PLAY.size(); i<sz_command.size(); i++)
6141         {
6142             if ( sz_command[i] == '(' )
6143             {
6144                 i++;
6145                 break;
6146             }
6147         }
6148         // find the )
6149         for ( j=i; j<sz_command.size(); j++)
6150         {
6151             if ( sz_command[j] == ')' )
6152             {
6153                 i--;
6154                 break;
6155             }
6156         }
6157
6158         std::string st = sz_command.substr( i+1, j-i-1 );
6159         int64_t i_chapter_uid = atoi( st.c_str() );
6160
6161         virtual_segment_c *p_segment;
6162         chapter_item_c *p_chapter = sys.FindChapter( i_chapter_uid, p_segment );
6163
6164         if ( p_chapter == NULL )
6165             msg_Dbg( &sys.demuxer, "Chapter "I64Fd" not found", i_chapter_uid);
6166         else
6167         {
6168             if ( !p_chapter->EnterAndLeave( sys.p_current_segment->CurrentChapter() ) )
6169                 p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6170             b_result = true;
6171         }
6172     }
6173
6174     return b_result;
6175 }
6176
6177 void demux_sys_t::SwapButtons()
6178 {
6179 #ifndef WORDS_BIGENDIAN
6180     uint8_t button, i, j;
6181
6182     for( button = 1; button <= pci_packet.hli.hl_gi.btn_ns; button++) {
6183         btni_t *button_ptr = &(pci_packet.hli.btnit[button-1]);
6184         binary *p_data = (binary*) button_ptr;
6185
6186         uint16 i_x_start = ((p_data[0] & 0x3F) << 4 ) + ( p_data[1] >> 4 );
6187         uint16 i_x_end   = ((p_data[1] & 0x03) << 8 ) + p_data[2];
6188         uint16 i_y_start = ((p_data[3] & 0x3F) << 4 ) + ( p_data[4] >> 4 );
6189         uint16 i_y_end   = ((p_data[4] & 0x03) << 8 ) + p_data[5];
6190         button_ptr->x_start = i_x_start;
6191         button_ptr->x_end   = i_x_end;
6192         button_ptr->y_start = i_y_start;
6193         button_ptr->y_end   = i_y_end;
6194
6195     }
6196     for ( i = 0; i<3; i++ )
6197     {
6198         for ( j = 0; j<2; j++ )
6199         {
6200             pci_packet.hli.btn_colit.btn_coli[i][j] = U32_AT( &pci_packet.hli.btn_colit.btn_coli[i][j] );
6201         }
6202     }
6203 #endif
6204 }