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

   1 /*****************************************************************************
   2  * mkv.cpp : matroska demuxer
   3  *****************************************************************************
   4  * Copyright (C) 2003-2004 the VideoLAN team
   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     vlc_bool_t     b_owner;
 496
 497   public:
 498     vlc_stream_io_callback( stream_t *, vlc_bool_t );
 499
 500     virtual ~vlc_stream_io_callback()
 501     {
 502         if( b_owner )
 503             stream_Delete( s );
 504     }
 505
 506     virtual uint32   read            ( void *p_buffer, size_t i_size);
 507     virtual void     setFilePointer  ( int64_t i_offset, seek_mode mode = seek_beginning );
 508     virtual size_t   write           ( const void *p_buffer, size_t i_size);
 509     virtual uint64   getFilePointer  ( void );
 510     virtual void     close           ( void );
 511 };
 512
 513 /*****************************************************************************
 514  * Ebml Stream parser
 515  *****************************************************************************/
 516 class EbmlParser
 517 {
 518   public:
 519     EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux );
 520     virtual ~EbmlParser( void );
 521
 522     void Up( void );
 523     void Down( void );
 524     void Reset( demux_t *p_demux );
 525     EbmlElement *Get( void );
 526     void        Keep( void );
 527     EbmlElement *UnGet( uint64 i_block_pos, uint64 i_cluster_pos );
 528
 529     int GetLevel( void );
 530
 531   private:
 532     EbmlStream  *m_es;
 533     int         mi_level;
 534     EbmlElement *m_el[10];
 535     int64_t      mi_remain_size[10];
 536
 537     EbmlElement *m_got;
 538
 539     int         mi_user_level;
 540     vlc_bool_t  mb_keep;
 541     vlc_bool_t  mb_dummy;
 542 };
 543
 544
 545 /*****************************************************************************
 546  * Some functions to manipulate memory
 547  *****************************************************************************/
 548 #define GetFOURCC( p )  __GetFOURCC( (uint8_t*)p )
 549 static vlc_fourcc_t __GetFOURCC( uint8_t *p )
 550 {
 551     return VLC_FOURCC( p[0], p[1], p[2], p[3] );
 552 }
 553
 554 /*****************************************************************************
 555  * definitions of structures and functions used by this plugins
 556  *****************************************************************************/
 557 typedef struct
 558 {
 559     vlc_bool_t   b_default;
 560     vlc_bool_t   b_enabled;
 561     unsigned int i_number;
 562
 563     int          i_extra_data;
 564     uint8_t      *p_extra_data;
 565
 566     char         *psz_codec;
 567
 568     uint64_t     i_default_duration;
 569     float        f_timecodescale;
 570
 571     /* video */
 572     es_format_t fmt;
 573     float       f_fps;
 574     es_out_id_t *p_es;
 575
 576     vlc_bool_t      b_inited;
 577     /* data to be send first */
 578     int             i_data_init;
 579     uint8_t         *p_data_init;
 580
 581     /* hack : it's for seek */
 582     vlc_bool_t      b_search_keyframe;
 583     vlc_bool_t      b_silent;
 584
 585     /* informative */
 586     char         *psz_codec_name;
 587     char         *psz_codec_settings;
 588     char         *psz_codec_info_url;
 589     char         *psz_codec_download_url;
 590
 591     /* encryption/compression */
 592     int           i_compression_type;
 593
 594 } mkv_track_t;
 595
 596 typedef struct
 597 {
 598     int     i_track;
 599     int     i_block_number;
 600
 601     int64_t i_position;
 602     int64_t i_time;
 603
 604     vlc_bool_t b_key;
 605 } mkv_index_t;
 606
 607 class demux_sys_t;
 608
 609 const binary MATROSKA_DVD_LEVEL_SS   = 0x30;
 610 const binary MATROSKA_DVD_LEVEL_LU   = 0x2A;
 611 const binary MATROSKA_DVD_LEVEL_TT   = 0x28;
 612 const binary MATROSKA_DVD_LEVEL_PGC  = 0x20;
 613 const binary MATROSKA_DVD_LEVEL_PG   = 0x18;
 614 const binary MATROSKA_DVD_LEVEL_PTT  = 0x10;
 615 const binary MATROSKA_DVD_LEVEL_CN   = 0x08;
 616
 617 class chapter_codec_cmds_c
 618 {
 619 public:
 620     chapter_codec_cmds_c( demux_sys_t & demuxer, int codec_id = -1)
 621     :p_private_data(NULL)
 622     ,i_codec_id( codec_id )
 623     ,sys( demuxer )
 624     {}
 625
 626     virtual ~chapter_codec_cmds_c()
 627     {
 628         delete p_private_data;
 629         std::vector<KaxChapterProcessData*>::iterator indexe = enter_cmds.begin();
 630         while ( indexe != enter_cmds.end() )
 631         {
 632             delete (*indexe);
 633             indexe++;
 634         }
 635         std::vector<KaxChapterProcessData*>::iterator indexl = leave_cmds.begin();
 636         while ( indexl != leave_cmds.end() )
 637         {
 638             delete (*indexl);
 639             indexl++;
 640         }
 641         std::vector<KaxChapterProcessData*>::iterator indexd = during_cmds.begin();
 642         while ( indexd != during_cmds.end() )
 643         {
 644             delete (*indexd);
 645             indexd++;
 646         }
 647     }
 648
 649     void SetPrivate( const KaxChapterProcessPrivate & private_data )
 650     {
 651         p_private_data = new KaxChapterProcessPrivate( private_data );
 652     }
 653
 654     void AddCommand( const KaxChapterProcessCommand & command );
 655
 656     /// \return wether the codec has seeked in the files or not
 657     virtual bool Enter() { return false; }
 658     virtual bool Leave() { return false; }
 659     virtual std::string GetCodecName( bool f_for_title = false ) const { return ""; }
 660     virtual int16 GetTitleNumber() { return -1; }
 661
 662     KaxChapterProcessPrivate *p_private_data;
 663
 664 protected:
 665     std::vector<KaxChapterProcessData*> enter_cmds;
 666     std::vector<KaxChapterProcessData*> during_cmds;
 667     std::vector<KaxChapterProcessData*> leave_cmds;
 668
 669     int i_codec_id;
 670     demux_sys_t & sys;
 671 };
 672
 673 class dvd_command_interpretor_c
 674 {
 675 public:
 676     dvd_command_interpretor_c( demux_sys_t & demuxer )
 677     :sys( demuxer )
 678     {
 679         memset( p_PRMs, 0, sizeof(p_PRMs) );
 680         p_PRMs[ 0x80 + 1 ] = 15;
 681         p_PRMs[ 0x80 + 2 ] = 62;
 682         p_PRMs[ 0x80 + 3 ] = 1;
 683         p_PRMs[ 0x80 + 4 ] = 1;
 684         p_PRMs[ 0x80 + 7 ] = 1;
 685         p_PRMs[ 0x80 + 8 ] = 1;
 686         p_PRMs[ 0x80 + 16 ] = 0xFFFFu;
 687         p_PRMs[ 0x80 + 18 ] = 0xFFFFu;
 688     }
 689
 690     bool Interpret( const binary * p_command, size_t i_size = 8 );
 691
 692     uint16 GetPRM( size_t index ) const
 693     {
 694         if ( index < 256 )
 695             return p_PRMs[ index ];
 696         else return 0;
 697     }
 698
 699     uint16 GetGPRM( size_t index ) const
 700     {
 701         if ( index >= 0 && index < 16 )
 702             return p_PRMs[ index ];
 703         else return 0;
 704     }
 705
 706     uint16 GetSPRM( size_t index ) const
 707     {
 708         // 21,22,23 reserved for future use
 709         if ( index >= 0x80 && index < 0x95 )
 710             return p_PRMs[ index ];
 711         else return 0;
 712     }
 713
 714     bool SetPRM( size_t index, uint16 value )
 715     {
 716         if ( index >= 0 && index < 16 )
 717         {
 718             p_PRMs[ index ] = value;
 719             return true;
 720         }
 721         return false;
 722     }
 723
 724     bool SetGPRM( size_t index, uint16 value )
 725     {
 726         if ( index >= 0 && index < 16 )
 727         {
 728             p_PRMs[ index ] = value;
 729             return true;
 730         }
 731         return false;
 732     }
 733
 734     bool SetSPRM( size_t index, uint16 value )
 735     {
 736         if ( index > 0x80 && index <= 0x8D && index != 0x8C )
 737         {
 738             p_PRMs[ index ] = value;
 739             return true;
 740         }
 741         return false;
 742     }
 743
 744 protected:
 745     std::string GetRegTypeName( bool b_value, uint16 value ) const
 746     {
 747         std::string result;
 748         char s_value[6], s_reg_value[6];
 749         sprintf( s_value, "%.5d", value );
 750
 751         if ( b_value )
 752         {
 753             result = "value (";
 754             result += s_value;
 755             result += ")";
 756         }
 757         else if ( value < 0x80 )
 758         {
 759             sprintf( s_reg_value, "%.5d", GetPRM( value ) );
 760             result = "GPreg[";
 761             result += s_value;
 762             result += "] (";
 763             result += s_reg_value;
 764             result += ")";
 765         }
 766         else
 767         {
 768             sprintf( s_reg_value, "%.5d", GetPRM( value ) );
 769             result = "SPreg[";
 770             result += s_value;
 771             result += "] (";
 772             result += s_reg_value;
 773             result += ")";
 774         }
 775         return result;
 776     }
 777
 778     uint16       p_PRMs[256];
 779     demux_sys_t  & sys;
 780
 781     // DVD command IDs
 782
 783     // Tests
 784     // wether it's a comparison on the value or register
 785     static const uint16 CMD_DVD_TEST_VALUE          = 0x80;
 786     static const uint16 CMD_DVD_IF_GPREG_AND        = (1 << 4);
 787     static const uint16 CMD_DVD_IF_GPREG_EQUAL      = (2 << 4);
 788     static const uint16 CMD_DVD_IF_GPREG_NOT_EQUAL  = (3 << 4);
 789     static const uint16 CMD_DVD_IF_GPREG_SUP_EQUAL  = (4 << 4);
 790     static const uint16 CMD_DVD_IF_GPREG_SUP        = (5 << 4);
 791     static const uint16 CMD_DVD_IF_GPREG_INF_EQUAL  = (6 << 4);
 792     static const uint16 CMD_DVD_IF_GPREG_INF        = (7 << 4);
 793
 794     static const uint16 CMD_DVD_NOP                    = 0x0000;
 795     static const uint16 CMD_DVD_GOTO_LINE              = 0x0001;
 796     static const uint16 CMD_DVD_BREAK                  = 0x0002;
 797     // Links
 798     static const uint16 CMD_DVD_NOP2                   = 0x2001;
 799     static const uint16 CMD_DVD_LINKPGCN               = 0x2004;
 800     static const uint16 CMD_DVD_LINKPGN                = 0x2006;
 801     static const uint16 CMD_DVD_LINKCN                 = 0x2007;
 802     static const uint16 CMD_DVD_JUMP_TT                = 0x3002;
 803     static const uint16 CMD_DVD_JUMPVTS_TT             = 0x3003;
 804     static const uint16 CMD_DVD_JUMPVTS_PTT            = 0x3005;
 805     static const uint16 CMD_DVD_JUMP_SS                = 0x3006;
 806     static const uint16 CMD_DVD_CALLSS_VTSM1           = 0x3008;
 807     //
 808     static const uint16 CMD_DVD_SET_HL_BTNN2           = 0x4600;
 809     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN1  = 0x4604;
 810     static const uint16 CMD_DVD_SET_STREAM             = 0x5100;
 811     static const uint16 CMD_DVD_SET_GPRMMD             = 0x5300;
 812     static const uint16 CMD_DVD_SET_HL_BTNN1           = 0x5600;
 813     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN2  = 0x5604;
 814     static const uint16 CMD_DVD_SET_HL_BTNN_LINKCN     = 0x5607;
 815     // Operations
 816     static const uint16 CMD_DVD_MOV_SPREG_PREG         = 0x6100;
 817     static const uint16 CMD_DVD_GPREG_MOV_VALUE        = 0x7100;
 818     static const uint16 CMD_DVD_SUB_GPREG              = 0x7400;
 819     static const uint16 CMD_DVD_MULT_GPREG             = 0x7500;
 820     static const uint16 CMD_DVD_GPREG_DIV_VALUE        = 0x7600;
 821     static const uint16 CMD_DVD_GPREG_AND_VALUE        = 0x7900;
 822
 823     // callbacks when browsing inside CodecPrivate
 824     static bool MatchIsDomain     ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 825     static bool MatchIsVMG        ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 826     static bool MatchVTSNumber    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 827     static bool MatchVTSMNumber   ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 828     static bool MatchTitleNumber  ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 829     static bool MatchPgcType      ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 830     static bool MatchPgcNumber    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 831     static bool MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 832     static bool MatchCellNumber   ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 833 };
 834
 835 class dvd_chapter_codec_c : public chapter_codec_cmds_c
 836 {
 837 public:
 838     dvd_chapter_codec_c( demux_sys_t & sys )
 839     :chapter_codec_cmds_c( sys, 1 )
 840     {}
 841
 842     bool Enter();
 843     bool Leave();
 844     std::string GetCodecName( bool f_for_title = false ) const;
 845     int16 GetTitleNumber();
 846 };
 847
 848 class matroska_script_interpretor_c
 849 {
 850 public:
 851     matroska_script_interpretor_c( demux_sys_t & demuxer )
 852     :sys( demuxer )
 853     {}
 854
 855     bool Interpret( const binary * p_command, size_t i_size );
 856
 857     // DVD command IDs
 858     static const std::string CMD_MS_GOTO_AND_PLAY;
 859
 860 protected:
 861     demux_sys_t  & sys;
 862 };
 863
 864 const std::string matroska_script_interpretor_c::CMD_MS_GOTO_AND_PLAY = "GotoAndPlay";
 865
 866
 867 class matroska_script_codec_c : public chapter_codec_cmds_c
 868 {
 869 public:
 870     matroska_script_codec_c( demux_sys_t & sys )
 871     :chapter_codec_cmds_c( sys, 0 )
 872     ,interpretor( sys )
 873     {}
 874
 875     bool Enter();
 876     bool Leave();
 877
 878 protected:
 879     matroska_script_interpretor_c interpretor;
 880 };
 881
 882 class chapter_translation_c
 883 {
 884 public:
 885     chapter_translation_c()
 886         :p_translated(NULL)
 887     {}
 888
 889     ~chapter_translation_c()
 890     {
 891         delete p_translated;
 892     }
 893
 894     KaxChapterTranslateID  *p_translated;
 895     unsigned int           codec_id;
 896     std::vector<uint64_t>  editions;
 897 };
 898
 899 class chapter_item_c
 900 {
 901 public:
 902     chapter_item_c()
 903     :i_start_time(0)
 904     ,i_end_time(-1)
 905     ,i_user_start_time(-1)
 906     ,i_user_end_time(-1)
 907     ,i_seekpoint_num(-1)
 908     ,b_display_seekpoint(true)
 909     ,b_user_display(false)
 910     ,psz_parent(NULL)
 911     ,b_is_leaving(false)
 912     {}
 913
 914     virtual ~chapter_item_c()
 915     {
 916         std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
 917         while ( index != codecs.end() )
 918         {
 919             delete (*index);
 920             index++;
 921         }
 922         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
 923         while ( index_ != sub_chapters.end() )
 924         {
 925             delete (*index_);
 926             index_++;
 927         }
 928     }
 929
 930     int64_t RefreshChapters( bool b_ordered, int64_t i_prev_user_time );
 931     int PublishChapters( input_title_t & title, int & i_user_chapters, int i_level = 0 );
 932     virtual chapter_item_c * FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current, bool & b_found );
 933     void Append( const chapter_item_c & edition );
 934     chapter_item_c * FindChapter( int64_t i_find_uid );
 935     virtual chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
 936                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
 937                                     const void *p_cookie,
 938                                     size_t i_cookie_size );
 939     std::string                 GetCodecName( bool f_for_title = false ) const;
 940     bool                        ParentOf( const chapter_item_c & item ) const;
 941     int16                       GetTitleNumber( ) const;
 942
 943     int64_t                     i_start_time, i_end_time;
 944     int64_t                     i_user_start_time, i_user_end_time; /* the time in the stream when an edition is ordered */
 945     std::vector<chapter_item_c*> sub_chapters;
 946     int                         i_seekpoint_num;
 947     int64_t                     i_uid;
 948     bool                        b_display_seekpoint;
 949     bool                        b_user_display;
 950     std::string                 psz_name;
 951     chapter_item_c              *psz_parent;
 952     bool                        b_is_leaving;
 953
 954     std::vector<chapter_codec_cmds_c*> codecs;
 955
 956     bool operator<( const chapter_item_c & item ) const
 957     {
 958         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) );
 959     }
 960
 961     bool Enter( bool b_do_subchapters );
 962     bool Leave( bool b_do_subchapters );
 963     bool EnterAndLeave( chapter_item_c *p_item, bool b_enter = true );
 964 };
 965
 966 class chapter_edition_c : public chapter_item_c
 967 {
 968 public:
 969     chapter_edition_c()
 970     :b_ordered(false)
 971     {}
 972
 973     void RefreshChapters( );
 974     mtime_t Duration() const;
 975     std::string GetMainName() const;
 976     chapter_item_c * FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current );
 977
 978     bool                        b_ordered;
 979 };
 980
 981 class matroska_segment_c
 982 {
 983 public:
 984     matroska_segment_c( demux_sys_t & demuxer, EbmlStream & estream )
 985         :segment(NULL)
 986         ,es(estream)
 987         ,i_timescale(MKVD_TIMECODESCALE)
 988         ,i_duration(-1)
 989         ,i_start_time(0)
 990         ,i_cues_position(-1)
 991         ,i_chapters_position(-1)
 992         ,i_tags_position(-1)
 993         ,cluster(NULL)
 994         ,i_block_pos(0)
 995         ,i_cluster_pos(0)
 996         ,i_start_pos(0)
 997         ,p_segment_uid(NULL)
 998         ,p_prev_segment_uid(NULL)
 999         ,p_next_segment_uid(NULL)
1000         ,b_cues(VLC_FALSE)
1001         ,i_index(0)
1002         ,i_index_max(1024)
1003         ,psz_muxing_application(NULL)
1004         ,psz_writing_application(NULL)
1005         ,psz_segment_filename(NULL)
1006         ,psz_title(NULL)
1007         ,psz_date_utc(NULL)
1008         ,i_default_edition(0)
1009         ,sys(demuxer)
1010         ,ep(NULL)
1011         ,b_preloaded(false)
1012     {
1013         p_indexes = (mkv_index_t*)malloc( sizeof( mkv_index_t ) * i_index_max );
1014     }
1015
1016     virtual ~matroska_segment_c()
1017     {
1018         for( size_t i_track = 0; i_track < tracks.size(); i_track++ )
1019         {
1020             if( tracks[i_track]->fmt.psz_description )
1021             {
1022                 free( tracks[i_track]->fmt.psz_description );
1023             }
1024 /*            if( tracks[i_track]->psz_codec )
1025             {
1026                 free( tracks[i_track]->psz_codec );
1027             }
1028             if( tracks[i_track]->fmt.psz_language )
1029             {
1030                 free( tracks[i_track]->fmt.psz_language );
1031             }*/
1032             delete tracks[i_track];
1033         }
1034
1035         if( psz_writing_application )
1036         {
1037             free( psz_writing_application );
1038         }
1039         if( psz_muxing_application )
1040         {
1041             free( psz_muxing_application );
1042         }
1043         if( psz_segment_filename )
1044         {
1045             free( psz_segment_filename );
1046         }
1047         if( psz_title )
1048         {
1049             free( psz_title );
1050         }
1051         if( psz_date_utc )
1052         {
1053             free( psz_date_utc );
1054         }
1055         if ( p_indexes )
1056             free( p_indexes );
1057
1058         delete ep;
1059         delete p_segment_uid;
1060         delete p_prev_segment_uid;
1061         delete p_next_segment_uid;
1062
1063         std::vector<chapter_edition_c*>::iterator index = stored_editions.begin();
1064         while ( index != stored_editions.end() )
1065         {
1066             delete (*index);
1067             index++;
1068         }
1069         std::vector<chapter_translation_c*>::iterator indext = translations.begin();
1070         while ( indext != translations.end() )
1071         {
1072             delete (*indext);
1073             indext++;
1074         }
1075     }
1076
1077     KaxSegment              *segment;
1078     EbmlStream              & es;
1079
1080     /* time scale */
1081     uint64_t                i_timescale;
1082
1083     /* duration of the segment */
1084     mtime_t                 i_duration;
1085     mtime_t                 i_start_time;
1086
1087     /* all tracks */
1088     std::vector<mkv_track_t*> tracks;
1089
1090     /* from seekhead */
1091     int64_t                 i_cues_position;
1092     int64_t                 i_chapters_position;
1093     int64_t                 i_tags_position;
1094
1095     KaxCluster              *cluster;
1096     uint64                  i_block_pos;
1097     uint64                  i_cluster_pos;
1098     int64_t                 i_start_pos;
1099     KaxSegmentUID           *p_segment_uid;
1100     KaxPrevUID              *p_prev_segment_uid;
1101     KaxNextUID              *p_next_segment_uid;
1102
1103     vlc_bool_t              b_cues;
1104     int                     i_index;
1105     int                     i_index_max;
1106     mkv_index_t             *p_indexes;
1107
1108     /* info */
1109     char                    *psz_muxing_application;
1110     char                    *psz_writing_application;
1111     char                    *psz_segment_filename;
1112     char                    *psz_title;
1113     char                    *psz_date_utc;
1114
1115     /* !!!!! GCC 3.3 bug on Darwin !!!!! */
1116     /* when you remove this variable the compiler issues an atomicity error */
1117     /* this variable only works when using std::vector<chapter_edition_c> */
1118     std::vector<chapter_edition_c*> stored_editions;
1119     int                             i_default_edition;
1120
1121     std::vector<chapter_translation_c*> translations;
1122     std::vector<KaxSegmentFamily>  families;
1123
1124     demux_sys_t                    & sys;
1125     EbmlParser                     *ep;
1126     bool                           b_preloaded;
1127
1128     bool Preload( );
1129     bool PreloadFamily( const matroska_segment_c & segment );
1130     void ParseInfo( KaxInfo *info );
1131     void ParseChapters( KaxChapters *chapters );
1132     void ParseSeekHead( KaxSeekHead *seekhead );
1133     void ParseTracks( KaxTracks *tracks );
1134     void ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters );
1135     void ParseTrackEntry( KaxTrackEntry *m );
1136     void ParseCluster( );
1137     void IndexAppendCluster( KaxCluster *cluster );
1138     void LoadCues( );
1139     void LoadTags( );
1140     void InformationCreate( );
1141     void Seek( mtime_t i_date, mtime_t i_time_offset );
1142     int BlockGet( KaxBlock * & pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration );
1143     bool Select( mtime_t i_start_time );
1144     void UnSelect( );
1145
1146     static bool CompareSegmentUIDs( const matroska_segment_c * item_a, const matroska_segment_c * item_b );
1147 };
1148
1149 // class holding hard-linked segment together in the playback order
1150 class virtual_segment_c
1151 {
1152 public:
1153     virtual_segment_c( matroska_segment_c *p_segment )
1154         :p_editions(NULL)
1155         ,i_sys_title(0)
1156         ,i_current_segment(0)
1157         ,i_current_edition(-1)
1158         ,psz_current_chapter(NULL)
1159     {
1160         linked_segments.push_back( p_segment );
1161
1162         AppendUID( p_segment->p_segment_uid );
1163         AppendUID( p_segment->p_prev_segment_uid );
1164         AppendUID( p_segment->p_next_segment_uid );
1165     }
1166
1167     void Sort();
1168     size_t AddSegment( matroska_segment_c *p_segment );
1169     void PreloadLinked( );
1170     mtime_t Duration( ) const;
1171     void LoadCues( );
1172     void Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter );
1173
1174     inline chapter_edition_c *Edition()
1175     {
1176         if ( i_current_edition >= 0 && size_t(i_current_edition) < p_editions->size() )
1177             return (*p_editions)[i_current_edition];
1178         return NULL;
1179     }
1180
1181     matroska_segment_c * Segment() const
1182     {
1183         if ( linked_segments.size() == 0 || i_current_segment >= linked_segments.size() )
1184             return NULL;
1185         return linked_segments[i_current_segment];
1186     }
1187
1188     inline chapter_item_c *CurrentChapter() {
1189         return psz_current_chapter;
1190     }
1191
1192     bool SelectNext()
1193     {
1194         if ( i_current_segment < linked_segments.size()-1 )
1195         {
1196             i_current_segment++;
1197             return true;
1198         }
1199         return false;
1200     }
1201
1202     bool FindUID( KaxSegmentUID & uid ) const
1203     {
1204         for ( size_t i=0; i<linked_uids.size(); i++ )
1205         {
1206             if ( linked_uids[i] == uid )
1207                 return true;
1208         }
1209         return false;
1210     }
1211
1212     bool UpdateCurrentToChapter( demux_t & demux );
1213     void PrepareChapters( );
1214
1215     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
1216                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
1217                                         const void *p_cookie,
1218                                         size_t i_cookie_size );
1219     chapter_item_c *FindChapter( int64_t i_find_uid );
1220
1221     std::vector<chapter_edition_c*>  *p_editions;
1222     int                              i_sys_title;
1223
1224 protected:
1225     std::vector<matroska_segment_c*> linked_segments;
1226     std::vector<KaxSegmentUID>       linked_uids;
1227     size_t                           i_current_segment;
1228
1229     int                              i_current_edition;
1230     chapter_item_c                   *psz_current_chapter;
1231
1232     void                             AppendUID( const EbmlBinary * UID );
1233 };
1234
1235 class matroska_stream_c
1236 {
1237 public:
1238     matroska_stream_c( demux_sys_t & demuxer )
1239         :p_in(NULL)
1240         ,p_es(NULL)
1241         ,sys(demuxer)
1242     {}
1243
1244     virtual ~matroska_stream_c()
1245     {
1246         delete p_in;
1247         delete p_es;
1248     }
1249
1250     IOCallback         *p_in;
1251     EbmlStream         *p_es;
1252
1253     std::vector<matroska_segment_c*> segments;
1254
1255     demux_sys_t                      & sys;
1256 };
1257
1258 typedef struct
1259 {
1260     VLC_COMMON_MEMBERS
1261
1262     demux_t        *p_demux;
1263     vlc_mutex_t     lock;
1264
1265     vlc_bool_t      b_moved;
1266     vlc_bool_t      b_clicked;
1267     vlc_bool_t      b_key;
1268
1269 } event_thread_t;
1270
1271 class demux_sys_t
1272 {
1273 public:
1274     demux_sys_t( demux_t & demux )
1275         :demuxer(demux)
1276         ,i_pts(0)
1277         ,i_last_dts(0)
1278         ,i_start_pts(0)
1279         ,i_chapter_time(0)
1280         ,meta(NULL)
1281         ,i_current_title(0)
1282         ,p_current_segment(NULL)
1283         ,dvd_interpretor( *this )
1284         ,f_duration(-1.0)
1285         ,b_ui_hooked(false)
1286         ,p_input(NULL)
1287         ,b_pci_packet_set(false)
1288         ,p_ev(NULL)
1289     {
1290         vlc_mutex_init( &demuxer, &lock_demuxer );
1291     }
1292
1293     virtual ~demux_sys_t()
1294     {
1295         StopUiThread();
1296         size_t i;
1297         for ( i=0; i<streams.size(); i++ )
1298             delete streams[i];
1299         for ( i=0; i<opened_segments.size(); i++ )
1300             delete opened_segments[i];
1301         for ( i=0; i<used_segments.size(); i++ )
1302             delete used_segments[i];
1303         vlc_mutex_destroy( &lock_demuxer );
1304     }
1305
1306     /* current data */
1307     demux_t                 & demuxer;
1308
1309     mtime_t                 i_pts;
1310     mtime_t                 i_last_dts;
1311     mtime_t                 i_start_pts;
1312     mtime_t                 i_chapter_time;
1313
1314     vlc_meta_t              *meta;
1315
1316     std::vector<input_title_t*>      titles; // matroska editions
1317     size_t                           i_current_title;
1318
1319     std::vector<matroska_stream_c*>  streams;
1320     std::vector<matroska_segment_c*> opened_segments;
1321     std::vector<virtual_segment_c*>  used_segments;
1322     virtual_segment_c                *p_current_segment;
1323
1324     dvd_command_interpretor_c        dvd_interpretor;
1325
1326     /* duration of the stream */
1327     float                   f_duration;
1328
1329     matroska_segment_c *FindSegment( const EbmlBinary & uid ) const;
1330     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
1331                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
1332                                         const void *p_cookie,
1333                                         size_t i_cookie_size,
1334                                         virtual_segment_c * & p_segment_found );
1335     chapter_item_c *FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found );
1336
1337     void PreloadFamily( const matroska_segment_c & of_segment );
1338     void PreloadLinked( matroska_segment_c *p_segment );
1339     bool PreparePlayback( virtual_segment_c *p_new_segment );
1340     matroska_stream_c *AnalyseAllSegmentsFound( EbmlStream *p_estream );
1341     void JumpTo( virtual_segment_c & p_segment, chapter_item_c * p_chapter );
1342
1343     void StartUiThread();
1344     void StopUiThread();
1345     bool b_ui_hooked;
1346     inline void SwapButtons();
1347
1348     /* for spu variables */
1349     input_thread_t *p_input;
1350     pci_t          pci_packet;
1351     bool           b_pci_packet_set;
1352     uint8_t        palette[4][4];
1353     vlc_mutex_t    lock_demuxer;
1354
1355     /* event */
1356     event_thread_t *p_ev;
1357     static int EventThread( vlc_object_t *p_this );
1358     static int EventMouse( vlc_object_t *p_this, char const *psz_var,
1359                        vlc_value_t oldval, vlc_value_t newval, void *p_data );
1360     static int EventKey( vlc_object_t *p_this, char const *psz_var,
1361                      vlc_value_t oldval, vlc_value_t newval, void *p_data );
1362
1363
1364
1365 protected:
1366     virtual_segment_c *VirtualFromSegments( matroska_segment_c *p_segment ) const;
1367     bool IsUsedSegment( matroska_segment_c &p_segment ) const;
1368 };
1369
1370 static int  Demux  ( demux_t * );
1371 static int  Control( demux_t *, int, va_list );
1372 static void Seek   ( demux_t *, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter );
1373
1374 #define MKV_IS_ID( el, C ) ( EbmlId( (*el) ) == C::ClassInfos.GlobalId )
1375
1376 static inline char * ToUTF8( const UTFstring &u )
1377 {
1378     return strdup( u.GetUTF8().c_str() );
1379 }
1380
1381 /*****************************************************************************
1382  * Open: initializes matroska demux structures
1383  *****************************************************************************/
1384 static int Open( vlc_object_t * p_this )
1385 {
1386     demux_t            *p_demux = (demux_t*)p_this;
1387     demux_sys_t        *p_sys;
1388     matroska_stream_c  *p_stream;
1389     matroska_segment_c *p_segment;
1390     uint8_t            *p_peek;
1391     std::string        s_path, s_filename;
1392     vlc_stream_io_callback *p_io_callback;
1393     EbmlStream         *p_io_stream;
1394
1395     /* peek the begining */
1396     if( stream_Peek( p_demux->s, &p_peek, 4 ) < 4 ) return VLC_EGENERIC;
1397
1398     /* is a valid file */
1399     if( p_peek[0] != 0x1a || p_peek[1] != 0x45 ||
1400         p_peek[2] != 0xdf || p_peek[3] != 0xa3 ) return VLC_EGENERIC;
1401
1402     /* Set the demux function */
1403     p_demux->pf_demux   = Demux;
1404     p_demux->pf_control = Control;
1405     p_demux->p_sys      = p_sys = new demux_sys_t( *p_demux );
1406
1407     p_io_callback = new vlc_stream_io_callback( p_demux->s, VLC_FALSE );
1408     p_io_stream = new EbmlStream( *p_io_callback );
1409
1410     if( p_io_stream == NULL )
1411     {
1412         msg_Err( p_demux, "failed to create EbmlStream" );
1413         delete p_io_callback;
1414         delete p_sys;
1415         return VLC_EGENERIC;
1416     }
1417
1418     p_stream = p_sys->AnalyseAllSegmentsFound( p_io_stream );
1419     if( p_stream == NULL )
1420     {
1421         msg_Err( p_demux, "cannot find KaxSegment" );
1422         goto error;
1423     }
1424     p_sys->streams.push_back( p_stream );
1425
1426     p_stream->p_in = p_io_callback;
1427     p_stream->p_es = p_io_stream;
1428
1429     for (size_t i=0; i<p_stream->segments.size(); i++)
1430     {
1431         p_stream->segments[i]->Preload();
1432     }
1433
1434     p_segment = p_stream->segments[0];
1435     if( p_segment->cluster != NULL )
1436     {
1437         msg_Warn( p_demux, "cannot find any cluster, damaged file ?" );
1438
1439         // reset the stream reading to the first cluster of the segment used
1440         p_stream->p_in->setFilePointer( p_segment->cluster->GetElementPosition() );
1441     }
1442
1443     /* get the files from the same dir from the same family (based on p_demux->psz_path) */
1444     if (p_demux->psz_path[0] != '\0' && !strcmp(p_demux->psz_access, ""))
1445     {
1446         // assume it's a regular file
1447         // get the directory path
1448         s_path = p_demux->psz_path;
1449         if (s_path.at(s_path.length() - 1) == DIRECTORY_SEPARATOR)
1450         {
1451             s_path = s_path.substr(0,s_path.length()-1);
1452         }
1453         else
1454         {
1455             if (s_path.find_last_of(DIRECTORY_SEPARATOR) > 0)
1456             {
1457                 s_path = s_path.substr(0,s_path.find_last_of(DIRECTORY_SEPARATOR));
1458             }
1459         }
1460
1461         struct dirent *p_file_item;
1462         DIR *p_src_dir = opendir(s_path.c_str());
1463
1464         if (p_src_dir != NULL)
1465         {
1466             while ((p_file_item = (dirent *) readdir(p_src_dir)))
1467             {
1468                 if (strlen(p_file_item->d_name) > 4)
1469                 {
1470                     s_filename = s_path + DIRECTORY_SEPARATOR + p_file_item->d_name;
1471
1472                     if (!s_filename.compare(p_demux->psz_path))
1473                         continue; // don't reuse the original opened file
1474
1475 #if defined(__GNUC__) && (__GNUC__ < 3)
1476                     if (!s_filename.compare("mkv", s_filename.length() - 3, 3) ||
1477                         !s_filename.compare("mka", s_filename.length() - 3, 3))
1478 #else
1479                     if (!s_filename.compare(s_filename.length() - 3, 3, "mkv") ||
1480                         !s_filename.compare(s_filename.length() - 3, 3, "mka"))
1481 #endif
1482                     {
1483                         // test wether this file belongs to our family
1484                         vlc_stream_io_callback *p_file_io = new vlc_stream_io_callback( stream_UrlNew( p_demux, s_filename.c_str()), VLC_TRUE );
1485                         EbmlStream *p_estream = new EbmlStream(*p_file_io);
1486
1487                         p_stream = p_sys->AnalyseAllSegmentsFound( p_estream );
1488                         if ( p_stream == NULL )
1489                         {
1490                             msg_Dbg( p_demux, "the file '%s' will not be used", s_filename.c_str() );
1491                             delete p_estream;
1492                             delete p_file_io;
1493                         }
1494                         else
1495                         {
1496                             p_stream->p_in = p_file_io;
1497                             p_stream->p_es = p_estream;
1498                             p_sys->streams.push_back( p_stream );
1499                         }
1500                     }
1501                 }
1502             }
1503             closedir( p_src_dir );
1504         }
1505     }
1506
1507     p_sys->PreloadFamily( *p_segment );
1508     p_sys->PreloadLinked( p_segment );
1509     if ( !p_sys->PreparePlayback( NULL ) )
1510     {
1511         msg_Err( p_demux, "cannot use the segment" );
1512         goto error;
1513     }
1514
1515     p_sys->StartUiThread();
1516
1517     return VLC_SUCCESS;
1518
1519 error:
1520     delete p_sys;
1521     return VLC_EGENERIC;
1522 }
1523
1524 /*****************************************************************************
1525  * Close: frees unused data
1526  *****************************************************************************/
1527 static void Close( vlc_object_t *p_this )
1528 {
1529     demux_t     *p_demux = (demux_t*)p_this;
1530     demux_sys_t *p_sys   = p_demux->p_sys;
1531
1532     delete p_sys;
1533 }
1534
1535 /*****************************************************************************
1536  * Control:
1537  *****************************************************************************/
1538 static int Control( demux_t *p_demux, int i_query, va_list args )
1539 {
1540     demux_sys_t        *p_sys = p_demux->p_sys;
1541     int64_t     *pi64;
1542     double      *pf, f;
1543     int         i_skp;
1544     size_t      i_idx;
1545
1546     vlc_meta_t **pp_meta;
1547
1548     switch( i_query )
1549     {
1550         case DEMUX_GET_META:
1551             pp_meta = (vlc_meta_t**)va_arg( args, vlc_meta_t** );
1552             *pp_meta = vlc_meta_Duplicate( p_sys->meta );
1553             return VLC_SUCCESS;
1554
1555         case DEMUX_GET_LENGTH:
1556             pi64 = (int64_t*)va_arg( args, int64_t * );
1557             if( p_sys->f_duration > 0.0 )
1558             {
1559                 *pi64 = (int64_t)(p_sys->f_duration * 1000);
1560                 return VLC_SUCCESS;
1561             }
1562             return VLC_EGENERIC;
1563
1564         case DEMUX_GET_POSITION:
1565             pf = (double*)va_arg( args, double * );
1566             if ( p_sys->f_duration > 0.0 )
1567                 *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);
1568             return VLC_SUCCESS;
1569
1570         case DEMUX_SET_POSITION:
1571             f = (double)va_arg( args, double );
1572             Seek( p_demux, -1, f, NULL );
1573             return VLC_SUCCESS;
1574
1575         case DEMUX_GET_TIME:
1576             pi64 = (int64_t*)va_arg( args, int64_t * );
1577             *pi64 = p_sys->i_pts;
1578             return VLC_SUCCESS;
1579
1580         case DEMUX_GET_TITLE_INFO:
1581             if( p_sys->titles.size() )
1582             {
1583                 input_title_t ***ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
1584                 int *pi_int    = (int*)va_arg( args, int* );
1585
1586                 *pi_int = p_sys->titles.size();
1587                 *ppp_title = (input_title_t**)malloc( sizeof( input_title_t**) * p_sys->titles.size() );
1588
1589                 for( size_t i = 0; i < p_sys->titles.size(); i++ )
1590                 {
1591                     (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->titles[i] );
1592                 }
1593
1594                 return VLC_SUCCESS;
1595             }
1596             return VLC_EGENERIC;
1597
1598         case DEMUX_SET_TITLE:
1599             /* TODO handle editions as titles */
1600             i_idx = (int)va_arg( args, int );
1601             if( i_idx < p_sys->used_segments.size() )
1602             {
1603                 p_sys->JumpTo( *p_sys->used_segments[i_idx], NULL );
1604                 return VLC_SUCCESS;
1605             }
1606             return VLC_EGENERIC;
1607
1608         case DEMUX_SET_SEEKPOINT:
1609             i_skp = (int)va_arg( args, int );
1610
1611             // TODO change the way it works with the << & >> buttons on the UI (+1/-1 instead of a number)
1612             if( p_sys->titles.size() && i_skp < p_sys->titles[p_sys->i_current_title]->i_seekpoint)
1613             {
1614                 Seek( p_demux, (int64_t)p_sys->titles[p_sys->i_current_title]->seekpoint[i_skp]->i_time_offset, -1, NULL);
1615                 p_demux->info.i_seekpoint |= INPUT_UPDATE_SEEKPOINT;
1616                 p_demux->info.i_seekpoint = i_skp;
1617                 return VLC_SUCCESS;
1618             }
1619             return VLC_EGENERIC;
1620
1621         case DEMUX_SET_TIME:
1622         case DEMUX_GET_FPS:
1623         default:
1624             return VLC_EGENERIC;
1625     }
1626 }
1627
1628 int matroska_segment_c::BlockGet( KaxBlock * & pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration )
1629 {
1630     pp_block = NULL;
1631     *pi_ref1  = 0;
1632     *pi_ref2  = 0;
1633
1634     for( ;; )
1635     {
1636         EbmlElement *el;
1637         int         i_level;
1638
1639         if ( ep == NULL )
1640             return VLC_EGENERIC;
1641
1642         el = ep->Get();
1643         i_level = ep->GetLevel();
1644
1645         if( el == NULL && pp_block != NULL )
1646         {
1647             /* update the index */
1648 #define idx p_indexes[i_index - 1]
1649             if( i_index > 0 && idx.i_time == -1 )
1650             {
1651                 idx.i_time        = (*pp_block).GlobalTimecode() / (mtime_t)1000;
1652                 idx.b_key         = *pi_ref1 == 0 ? VLC_TRUE : VLC_FALSE;
1653             }
1654 #undef idx
1655             return VLC_SUCCESS;
1656         }
1657
1658         if( el == NULL )
1659         {
1660             if( ep->GetLevel() > 1 )
1661             {
1662                 ep->Up();
1663                 continue;
1664             }
1665             msg_Warn( &sys.demuxer, "EOF" );
1666             return VLC_EGENERIC;
1667         }
1668
1669         /* do parsing */
1670         switch ( i_level )
1671         {
1672         case 1:
1673             if( MKV_IS_ID( el, KaxCluster ) )
1674             {
1675                 cluster = (KaxCluster*)el;
1676                 i_cluster_pos = cluster->GetElementPosition();
1677
1678                 /* add it to the index */
1679                 if( i_index == 0 ||
1680                     ( i_index > 0 && p_indexes[i_index - 1].i_position < (int64_t)cluster->GetElementPosition() ) )
1681                 {
1682                     IndexAppendCluster( cluster );
1683                 }
1684
1685                 // reset silent tracks
1686                 for (size_t i=0; i<tracks.size(); i++)
1687                 {
1688                     tracks[i]->b_silent = VLC_FALSE;
1689                 }
1690
1691                 ep->Down();
1692             }
1693             else if( MKV_IS_ID( el, KaxCues ) )
1694             {
1695                 msg_Warn( &sys.demuxer, "find KaxCues FIXME" );
1696                 return VLC_EGENERIC;
1697             }
1698             else
1699             {
1700                 msg_Dbg( &sys.demuxer, "unknown (%s)", typeid( el ).name() );
1701             }
1702             break;
1703         case 2:
1704             if( MKV_IS_ID( el, KaxClusterTimecode ) )
1705             {
1706                 KaxClusterTimecode &ctc = *(KaxClusterTimecode*)el;
1707
1708                 ctc.ReadData( es.I_O(), SCOPE_ALL_DATA );
1709                 cluster->InitTimecode( uint64( ctc ), i_timescale );
1710             }
1711             else if( MKV_IS_ID( el, KaxClusterSilentTracks ) )
1712             {
1713                 ep->Down();
1714             }
1715             else if( MKV_IS_ID( el, KaxBlockGroup ) )
1716             {
1717                 i_block_pos = el->GetElementPosition();
1718                 ep->Down();
1719             }
1720             break;
1721         case 3:
1722             if( MKV_IS_ID( el, KaxBlock ) )
1723             {
1724                 pp_block = (KaxBlock*)el;
1725
1726                 pp_block->ReadData( es.I_O() );
1727                 pp_block->SetParent( *cluster );
1728
1729                 ep->Keep();
1730             }
1731             else if( MKV_IS_ID( el, KaxBlockDuration ) )
1732             {
1733                 KaxBlockDuration &dur = *(KaxBlockDuration*)el;
1734
1735                 dur.ReadData( es.I_O() );
1736                 *pi_duration = uint64( dur );
1737             }
1738             else if( MKV_IS_ID( el, KaxReferenceBlock ) )
1739             {
1740                 KaxReferenceBlock &ref = *(KaxReferenceBlock*)el;
1741
1742                 ref.ReadData( es.I_O() );
1743                 if( *pi_ref1 == 0 )
1744                 {
1745                     *pi_ref1 = int64( ref ) * cluster->GlobalTimecodeScale();
1746                 }
1747                 else
1748                 {
1749                     *pi_ref2 = int64( ref ) * cluster->GlobalTimecodeScale();
1750                 }
1751             }
1752             else if( MKV_IS_ID( el, KaxClusterSilentTrackNumber ) )
1753             {
1754                 KaxClusterSilentTrackNumber &track_num = *(KaxClusterSilentTrackNumber*)el;
1755                 track_num.ReadData( es.I_O() );
1756                 // find the track
1757                 for (size_t i=0; i<tracks.size(); i++)
1758                 {
1759                     if ( tracks[i]->i_number == uint32(track_num))
1760                     {
1761                         tracks[i]->b_silent = VLC_TRUE;
1762                         break;
1763                     }
1764                 }
1765             }
1766             break;
1767         default:
1768             msg_Err( &sys.demuxer, "invalid level = %d", i_level );
1769             return VLC_EGENERIC;
1770         }
1771     }
1772 }
1773
1774 static block_t *MemToBlock( demux_t *p_demux, uint8_t *p_mem, int i_mem)
1775 {
1776     block_t *p_block;
1777     if( !(p_block = block_New( p_demux, i_mem ) ) ) return NULL;
1778     memcpy( p_block->p_buffer, p_mem, i_mem );
1779     //p_block->i_rate = p_input->stream.control.i_rate;
1780     return p_block;
1781 }
1782
1783 static void BlockDecode( demux_t *p_demux, KaxBlock *block, mtime_t i_pts,
1784                          mtime_t i_duration )
1785 {
1786     demux_sys_t        *p_sys = p_demux->p_sys;
1787     matroska_segment_c *p_segment = p_sys->p_current_segment->Segment();
1788
1789     size_t          i_track;
1790     unsigned int    i;
1791     vlc_bool_t      b;
1792
1793 #define tk  p_segment->tracks[i_track]
1794     for( i_track = 0; i_track < p_segment->tracks.size(); i_track++ )
1795     {
1796         if( tk->i_number == block->TrackNum() )
1797         {
1798             break;
1799         }
1800     }
1801
1802     if( i_track >= p_segment->tracks.size() )
1803     {
1804         msg_Err( p_demux, "invalid track number=%d", block->TrackNum() );
1805         return;
1806     }
1807     if( tk->fmt.i_cat != NAV_ES && tk->p_es == NULL )
1808     {
1809         msg_Err( p_demux, "unknown track number=%d", block->TrackNum() );
1810         return;
1811     }
1812     if( i_pts + i_duration < p_sys->i_start_pts && tk->fmt.i_cat == AUDIO_ES )
1813     {
1814         return; /* discard audio packets that shouldn't be rendered */
1815     }
1816
1817     if ( tk->fmt.i_cat != NAV_ES )
1818     {
1819         es_out_Control( p_demux->out, ES_OUT_GET_ES_STATE, tk->p_es, &b );
1820
1821         if( !b )
1822         {
1823             tk->b_inited = VLC_FALSE;
1824             return;
1825         }
1826     }
1827
1828
1829     /* First send init data */
1830     if( !tk->b_inited && tk->i_data_init > 0 )
1831     {
1832         block_t *p_init;
1833
1834         msg_Dbg( p_demux, "sending header (%d bytes)", tk->i_data_init );
1835         p_init = MemToBlock( p_demux, tk->p_data_init, tk->i_data_init );
1836         if( p_init ) es_out_Send( p_demux->out, tk->p_es, p_init );
1837     }
1838     tk->b_inited = VLC_TRUE;
1839
1840
1841     for( i = 0; i < block->NumberFrames(); i++ )
1842     {
1843         block_t *p_block;
1844         DataBuffer &data = block->GetBuffer(i);
1845
1846         p_block = MemToBlock( p_demux, data.Buffer(), data.Size() );
1847
1848         if( p_block == NULL )
1849         {
1850             break;
1851         }
1852
1853 #if defined(HAVE_ZLIB_H)
1854         if( tk->i_compression_type )
1855         {
1856             p_block = block_zlib_decompress( VLC_OBJECT(p_demux), p_block );
1857         }
1858 #endif
1859
1860         if ( tk->fmt.i_cat == NAV_ES )
1861         {
1862             // TODO handle the start/stop times of this packet
1863             if ( p_sys->b_ui_hooked )
1864             {
1865                 vlc_mutex_lock( &p_sys->p_ev->lock );
1866                 memcpy( &p_sys->pci_packet, &p_block->p_buffer[1], sizeof(pci_t) );
1867                 p_sys->SwapButtons();
1868                 p_sys->b_pci_packet_set = true;
1869                 vlc_mutex_unlock( &p_sys->p_ev->lock );
1870                 block_Release( p_block );
1871             }
1872             return;
1873         }
1874         // TODO implement correct timestamping when B frames are used
1875 #if 0
1876         if( tk->fmt.i_cat != VIDEO_ES )
1877         {
1878             p_block->i_dts = p_block->i_pts = i_pts;
1879         }
1880         else
1881         {
1882             p_block->i_pts = i_pts;
1883             p_block->i_dts = p_sys->i_pts;
1884         }
1885 #else
1886         p_block->i_pts = i_pts;
1887         p_block->i_dts = p_sys->i_last_dts;
1888 #endif
1889
1890 #if 0
1891 msg_Dbg( p_demux, "block i_dts: "I64Fd" / i_pts: "I64Fd, p_block->i_dts, p_block->i_pts);
1892 #endif
1893         if( strcmp( tk->psz_codec, "S_VOBSUB" ) )
1894         {
1895             p_block->i_length = i_duration * 1000;
1896         }
1897
1898         es_out_Send( p_demux->out, tk->p_es, p_block );
1899
1900         /* use time stamp only for first block */
1901         i_pts = 0;
1902     }
1903
1904 #undef tk
1905 }
1906
1907 matroska_stream_c *demux_sys_t::AnalyseAllSegmentsFound( EbmlStream *p_estream )
1908 {
1909     int i_upper_lvl = 0;
1910     size_t i;
1911     EbmlElement *p_l0, *p_l1, *p_l2;
1912     bool b_keep_stream = false, b_keep_segment;
1913
1914     // verify the EBML Header
1915     p_l0 = p_estream->FindNextID(EbmlHead::ClassInfos, 0xFFFFFFFFL);
1916     if (p_l0 == NULL)
1917     {
1918         return NULL;
1919     }
1920     p_l0->SkipData(*p_estream, EbmlHead_Context);
1921     delete p_l0;
1922
1923     // find all segments in this file
1924     p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFFLL);
1925     if (p_l0 == NULL)
1926     {
1927         return NULL;
1928     }
1929
1930     matroska_stream_c *p_stream1 = new matroska_stream_c( *this );
1931
1932     while (p_l0 != 0)
1933     {
1934         if (EbmlId(*p_l0) == KaxSegment::ClassInfos.GlobalId)
1935         {
1936             EbmlParser  *ep;
1937             matroska_segment_c *p_segment1 = new matroska_segment_c( *this, *p_estream );
1938             b_keep_segment = false;
1939
1940             ep = new EbmlParser(p_estream, p_l0, &demuxer );
1941             p_segment1->ep = ep;
1942             p_segment1->segment = (KaxSegment*)p_l0;
1943
1944             while ((p_l1 = ep->Get()))
1945             {
1946                 if (MKV_IS_ID(p_l1, KaxInfo))
1947                 {
1948                     // find the families of this segment
1949                     KaxInfo *p_info = static_cast<KaxInfo*>(p_l1);
1950
1951                     p_info->Read(*p_estream, KaxInfo::ClassInfos.Context, i_upper_lvl, p_l2, true);
1952                     for( i = 0; i < p_info->ListSize(); i++ )
1953                     {
1954                         EbmlElement *l = (*p_info)[i];
1955
1956                         if( MKV_IS_ID( l, KaxSegmentUID ) )
1957                         {
1958                             KaxSegmentUID *p_uid = static_cast<KaxSegmentUID*>(l);
1959                             b_keep_segment = (FindSegment( *p_uid ) == NULL);
1960                             if ( !b_keep_segment )
1961                                 break; // this segment is already known
1962                             opened_segments.push_back( p_segment1 );
1963                             delete p_segment1->p_segment_uid;
1964                             p_segment1->p_segment_uid = new KaxSegmentUID(*p_uid);
1965                         }
1966                         else if( MKV_IS_ID( l, KaxPrevUID ) )
1967                         {
1968                             p_segment1->p_prev_segment_uid = new KaxPrevUID( *static_cast<KaxPrevUID*>(l) );
1969                         }
1970                         else if( MKV_IS_ID( l, KaxNextUID ) )
1971                         {
1972                             p_segment1->p_next_segment_uid = new KaxNextUID( *static_cast<KaxNextUID*>(l) );
1973                         }
1974                         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
1975                         {
1976                             KaxSegmentFamily *p_fam = new KaxSegmentFamily( *static_cast<KaxSegmentFamily*>(l) );
1977                             p_segment1->families.push_back( *p_fam );
1978                         }
1979                     }
1980                     break;
1981                 }
1982             }
1983             if ( b_keep_segment )
1984             {
1985                 b_keep_stream = true;
1986                 p_stream1->segments.push_back( p_segment1 );
1987             }
1988             else
1989                 delete p_segment1;
1990         }
1991
1992         p_l0->SkipData(*p_estream, EbmlHead_Context);
1993         p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFL);
1994     }
1995
1996     if ( !b_keep_stream )
1997     {
1998         delete p_stream1;
1999         p_stream1 = NULL;
2000     }
2001
2002     return p_stream1;
2003 }
2004
2005 bool matroska_segment_c::Select( mtime_t i_start_time )
2006 {
2007     size_t i_track;
2008
2009     /* add all es */
2010     msg_Dbg( &sys.demuxer, "found %d es", (int)tracks.size() );
2011     sys.b_pci_packet_set = false;
2012
2013     for( i_track = 0; i_track < tracks.size(); i_track++ )
2014     {
2015         if( tracks[i_track]->fmt.i_cat == UNKNOWN_ES )
2016         {
2017             msg_Warn( &sys.demuxer, "invalid track[%d, n=%d]", (int)i_track, tracks[i_track]->i_number );
2018             tracks[i_track]->p_es = NULL;
2019             continue;
2020         }
2021
2022         if( !strcmp( tracks[i_track]->psz_codec, "V_MS/VFW/FOURCC" ) )
2023         {
2024             if( tracks[i_track]->i_extra_data < (int)sizeof( BITMAPINFOHEADER ) )
2025             {
2026                 msg_Err( &sys.demuxer, "missing/invalid BITMAPINFOHEADER" );
2027                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2028             }
2029             else
2030             {
2031                 BITMAPINFOHEADER *p_bih = (BITMAPINFOHEADER*)tracks[i_track]->p_extra_data;
2032
2033                 tracks[i_track]->fmt.video.i_width = GetDWLE( &p_bih->biWidth );
2034                 tracks[i_track]->fmt.video.i_height= GetDWLE( &p_bih->biHeight );
2035                 tracks[i_track]->fmt.i_codec       = GetFOURCC( &p_bih->biCompression );
2036
2037                 tracks[i_track]->fmt.i_extra       = GetDWLE( &p_bih->biSize ) - sizeof( BITMAPINFOHEADER );
2038                 if( tracks[i_track]->fmt.i_extra > 0 )
2039                 {
2040                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2041                     memcpy( tracks[i_track]->fmt.p_extra, &p_bih[1], tracks[i_track]->fmt.i_extra );
2042                 }
2043             }
2044         }
2045         else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG1" ) ||
2046                  !strcmp( tracks[i_track]->psz_codec, "V_MPEG2" ) )
2047         {
2048             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'v' );
2049         }
2050         else if( !strncmp( tracks[i_track]->psz_codec, "V_MPEG4", 7 ) )
2051         {
2052             if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/MS/V3" ) )
2053             {
2054                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'D', 'I', 'V', '3' );
2055             }
2056             else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/ISO/AVC" ) )
2057             {
2058                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'v', 'c', '1' );
2059                 tracks[i_track]->fmt.b_packetized = VLC_FALSE;
2060                 tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2061                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2062                 memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2063             }
2064             else
2065             {
2066                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' );
2067             }
2068         }
2069         else if( !strcmp( tracks[i_track]->psz_codec, "V_QUICKTIME" ) )
2070         {
2071             MP4_Box_t *p_box = (MP4_Box_t*)malloc( sizeof( MP4_Box_t ) );
2072             stream_t *p_mp4_stream = stream_MemoryNew( VLC_OBJECT(&sys.demuxer),
2073                                                        tracks[i_track]->p_extra_data,
2074                                                        tracks[i_track]->i_extra_data,
2075                                                        VLC_FALSE );
2076             MP4_ReadBoxCommon( p_mp4_stream, p_box );
2077             MP4_ReadBox_sample_vide( p_mp4_stream, p_box );
2078             tracks[i_track]->fmt.i_codec = p_box->i_type;
2079             tracks[i_track]->fmt.video.i_width = p_box->data.p_sample_vide->i_width;
2080             tracks[i_track]->fmt.video.i_height = p_box->data.p_sample_vide->i_height;
2081             tracks[i_track]->fmt.i_extra = p_box->data.p_sample_vide->i_qt_image_description;
2082             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2083             memcpy( tracks[i_track]->fmt.p_extra, p_box->data.p_sample_vide->p_qt_image_description, tracks[i_track]->fmt.i_extra );
2084             MP4_FreeBox_sample_vide( p_box );
2085             stream_Delete( p_mp4_stream );
2086         }
2087         else if( !strcmp( tracks[i_track]->psz_codec, "A_MS/ACM" ) )
2088         {
2089             if( tracks[i_track]->i_extra_data < (int)sizeof( WAVEFORMATEX ) )
2090             {
2091                 msg_Err( &sys.demuxer, "missing/invalid WAVEFORMATEX" );
2092                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2093             }
2094             else
2095             {
2096                 WAVEFORMATEX *p_wf = (WAVEFORMATEX*)tracks[i_track]->p_extra_data;
2097
2098                 wf_tag_to_fourcc( GetWLE( &p_wf->wFormatTag ), &tracks[i_track]->fmt.i_codec, NULL );
2099
2100                 tracks[i_track]->fmt.audio.i_channels   = GetWLE( &p_wf->nChannels );
2101                 tracks[i_track]->fmt.audio.i_rate = GetDWLE( &p_wf->nSamplesPerSec );
2102                 tracks[i_track]->fmt.i_bitrate    = GetDWLE( &p_wf->nAvgBytesPerSec ) * 8;
2103                 tracks[i_track]->fmt.audio.i_blockalign = GetWLE( &p_wf->nBlockAlign );;
2104                 tracks[i_track]->fmt.audio.i_bitspersample = GetWLE( &p_wf->wBitsPerSample );
2105
2106                 tracks[i_track]->fmt.i_extra            = GetWLE( &p_wf->cbSize );
2107                 if( tracks[i_track]->fmt.i_extra > 0 )
2108                 {
2109                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2110                     memcpy( tracks[i_track]->fmt.p_extra, &p_wf[1], tracks[i_track]->fmt.i_extra );
2111                 }
2112             }
2113         }
2114         else if( !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L3" ) ||
2115                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L2" ) ||
2116                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L1" ) )
2117         {
2118             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' );
2119         }
2120         else if( !strcmp( tracks[i_track]->psz_codec, "A_AC3" ) )
2121         {
2122             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' );
2123         }
2124         else if( !strcmp( tracks[i_track]->psz_codec, "A_DTS" ) )
2125         {
2126             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'd', 't', 's', ' ' );
2127         }
2128         else if( !strcmp( tracks[i_track]->psz_codec, "A_FLAC" ) )
2129         {
2130             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'f', 'l', 'a', 'c' );
2131             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2132             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2133             memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2134         }
2135         else if( !strcmp( tracks[i_track]->psz_codec, "A_VORBIS" ) )
2136         {
2137             int i, i_offset = 1, i_size[3], i_extra;
2138             uint8_t *p_extra;
2139
2140             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'v', 'o', 'r', 'b' );
2141
2142             /* Split the 3 headers */
2143             if( tracks[i_track]->p_extra_data[0] != 0x02 )
2144                 msg_Err( &sys.demuxer, "invalid vorbis header" );
2145
2146             for( i = 0; i < 2; i++ )
2147             {
2148                 i_size[i] = 0;
2149                 while( i_offset < tracks[i_track]->i_extra_data )
2150                 {
2151                     i_size[i] += tracks[i_track]->p_extra_data[i_offset];
2152                     if( tracks[i_track]->p_extra_data[i_offset++] != 0xff ) break;
2153                 }
2154             }
2155
2156             i_size[0] = __MIN(i_size[0], tracks[i_track]->i_extra_data - i_offset);
2157             i_size[1] = __MIN(i_size[1], tracks[i_track]->i_extra_data -i_offset -i_size[0]);
2158             i_size[2] = tracks[i_track]->i_extra_data - i_offset - i_size[0] - i_size[1];
2159
2160             tracks[i_track]->fmt.i_extra = 3 * 2 + i_size[0] + i_size[1] + i_size[2];
2161             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2162             p_extra = (uint8_t *)tracks[i_track]->fmt.p_extra; i_extra = 0;
2163             for( i = 0; i < 3; i++ )
2164             {
2165                 *(p_extra++) = i_size[i] >> 8;
2166                 *(p_extra++) = i_size[i] & 0xFF;
2167                 memcpy( p_extra, tracks[i_track]->p_extra_data + i_offset + i_extra,
2168                         i_size[i] );
2169                 p_extra += i_size[i];
2170                 i_extra += i_size[i];
2171             }
2172         }
2173         else if( !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG2/", strlen( "A_AAC/MPEG2/" ) ) ||
2174                  !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG4/", strlen( "A_AAC/MPEG4/" ) ) )
2175         {
2176             int i_profile, i_srate;
2177             static unsigned int i_sample_rates[] =
2178             {
2179                     96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050,
2180                         16000, 12000, 11025, 8000,  7350,  0,     0,     0
2181             };
2182
2183             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
2184             /* create data for faad (MP4DecSpecificDescrTag)*/
2185
2186             if( !strcmp( &tracks[i_track]->psz_codec[12], "MAIN" ) )
2187             {
2188                 i_profile = 0;
2189             }
2190             else if( !strcmp( &tracks[i_track]->psz_codec[12], "LC" ) )
2191             {
2192                 i_profile = 1;
2193             }
2194             else if( !strcmp( &tracks[i_track]->psz_codec[12], "SSR" ) )
2195             {
2196                 i_profile = 2;
2197             }
2198             else
2199             {
2200                 i_profile = 3;
2201             }
2202
2203             for( i_srate = 0; i_srate < 13; i_srate++ )
2204             {
2205                 if( i_sample_rates[i_srate] == tracks[i_track]->fmt.audio.i_rate )
2206                 {
2207                     break;
2208                 }
2209             }
2210             msg_Dbg( &sys.demuxer, "profile=%d srate=%d", i_profile, i_srate );
2211
2212             tracks[i_track]->fmt.i_extra = 2;
2213             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2214             ((uint8_t*)tracks[i_track]->fmt.p_extra)[0] = ((i_profile + 1) << 3) | ((i_srate&0xe) >> 1);
2215             ((uint8_t*)tracks[i_track]->fmt.p_extra)[1] = ((i_srate & 0x1) << 7) | (tracks[i_track]->fmt.audio.i_channels << 3);
2216         }
2217         else if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) ||
2218                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/LIT" ) ||
2219                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/FLOAT/IEEE" ) )
2220         {
2221             if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) )
2222             {
2223                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
2224             }
2225             else
2226             {
2227                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
2228             }
2229             tracks[i_track]->fmt.audio.i_blockalign = ( tracks[i_track]->fmt.audio.i_bitspersample + 7 ) / 8 * tracks[i_track]->fmt.audio.i_channels;
2230         }
2231         else if( !strcmp( tracks[i_track]->psz_codec, "A_TTA1" ) )
2232         {
2233             /* FIXME: support this codec */
2234             msg_Err( &sys.demuxer, "TTA not supported yet[%d, n=%d]", (int)i_track, tracks[i_track]->i_number );
2235             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2236         }
2237         else if( !strcmp( tracks[i_track]->psz_codec, "A_WAVPACK4" ) )
2238         {
2239             /* FIXME: support this codec */
2240             msg_Err( &sys.demuxer, "Wavpack not supported yet[%d, n=%d]", (int)i_track, tracks[i_track]->i_number );
2241             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2242         }
2243         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/UTF8" ) )
2244         {
2245             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 'u', 'b', 't' );
2246             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2247         }
2248         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/SSA" ) ||
2249                  !strcmp( tracks[i_track]->psz_codec, "S_TEXT/ASS" ) ||
2250                  !strcmp( tracks[i_track]->psz_codec, "S_SSA" ) ||
2251                  !strcmp( tracks[i_track]->psz_codec, "S_ASS" ))
2252         {
2253             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 's', 'a', ' ' );
2254             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2255         }
2256         else if( !strcmp( tracks[i_track]->psz_codec, "S_VOBSUB" ) )
2257         {
2258             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's','p','u',' ' );
2259             if( tracks[i_track]->i_extra_data )
2260             {
2261                 char *p_start;
2262                 char *p_buf = (char *)malloc( tracks[i_track]->i_extra_data + 1);
2263                 memcpy( p_buf, tracks[i_track]->p_extra_data , tracks[i_track]->i_extra_data );
2264                 p_buf[tracks[i_track]->i_extra_data] = '\0';
2265
2266                 p_start = strstr( p_buf, "size:" );
2267                 if( sscanf( p_start, "size: %dx%d",
2268                         &tracks[i_track]->fmt.subs.spu.i_original_frame_width, &tracks[i_track]->fmt.subs.spu.i_original_frame_height ) == 2 )
2269                 {
2270                     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 );
2271                 }
2272                 else
2273                 {
2274                     msg_Warn( &sys.demuxer, "reading original frame size for vobsub failed" );
2275                 }
2276                 free( p_buf );
2277             }
2278         }
2279         else if( !strcmp( tracks[i_track]->psz_codec, "B_VOBBTN" ) )
2280         {
2281             tracks[i_track]->fmt.i_cat = NAV_ES;
2282             continue;
2283         }
2284         else
2285         {
2286             msg_Err( &sys.demuxer, "unknow codec id=`%s'", tracks[i_track]->psz_codec );
2287             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2288         }
2289         if( tracks[i_track]->b_default )
2290         {
2291             tracks[i_track]->fmt.i_priority = 1000;
2292         }
2293
2294         tracks[i_track]->p_es = es_out_Add( sys.demuxer.out, &tracks[i_track]->fmt );
2295
2296         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_start_time );
2297     }
2298
2299     sys.i_start_pts = i_start_time;
2300     // reset the stream reading to the first cluster of the segment used
2301     es.I_O().setFilePointer( i_start_pos );
2302
2303     delete ep;
2304     ep = new EbmlParser( &es, segment, &sys.demuxer );
2305
2306     return true;
2307 }
2308
2309 void demux_sys_t::StartUiThread()
2310 {
2311     if ( !b_ui_hooked )
2312     {
2313         msg_Dbg( &demuxer, "Starting the UI Hook" );
2314         b_ui_hooked = true;
2315         /* FIXME hack hack hack hack FIXME */
2316         /* Get p_input and create variable */
2317         p_input = (input_thread_t *) vlc_object_find( &demuxer, VLC_OBJECT_INPUT, FIND_PARENT );
2318         var_Create( p_input, "x-start", VLC_VAR_INTEGER );
2319         var_Create( p_input, "y-start", VLC_VAR_INTEGER );
2320         var_Create( p_input, "x-end", VLC_VAR_INTEGER );
2321         var_Create( p_input, "y-end", VLC_VAR_INTEGER );
2322         var_Create( p_input, "color", VLC_VAR_ADDRESS );
2323         var_Create( p_input, "menu-palette", VLC_VAR_ADDRESS );
2324         var_Create( p_input, "highlight", VLC_VAR_BOOL );
2325         var_Create( p_input, "highlight-mutex", VLC_VAR_MUTEX );
2326
2327         /* Now create our event thread catcher */
2328         p_ev = (event_thread_t *) vlc_object_create( &demuxer, sizeof( event_thread_t ) );
2329         p_ev->p_demux = &demuxer;
2330         p_ev->b_die = VLC_FALSE;
2331         vlc_mutex_init( p_ev, &p_ev->lock );
2332         vlc_thread_create( p_ev, "mkv event thread handler", EventThread,
2333                         VLC_THREAD_PRIORITY_LOW, VLC_FALSE );
2334     }
2335 }
2336
2337 void demux_sys_t::StopUiThread()
2338 {
2339     if ( b_ui_hooked )
2340     {
2341         p_ev->b_die = VLC_TRUE;
2342
2343         vlc_thread_join( p_ev );
2344         vlc_object_destroy( p_ev );
2345
2346         p_ev = NULL;
2347
2348         var_Destroy( p_input, "highlight-mutex" );
2349         var_Destroy( p_input, "highlight" );
2350         var_Destroy( p_input, "x-start" );
2351         var_Destroy( p_input, "x-end" );
2352         var_Destroy( p_input, "y-start" );
2353         var_Destroy( p_input, "y-end" );
2354         var_Destroy( p_input, "color" );
2355         var_Destroy( p_input, "menu-palette" );
2356
2357         vlc_object_release( p_input );
2358
2359         msg_Dbg( &demuxer, "Stopping the UI Hook" );
2360     }
2361     b_ui_hooked = false;
2362 }
2363
2364 int demux_sys_t::EventMouse( vlc_object_t *p_this, char const *psz_var,
2365                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
2366 {
2367     event_thread_t *p_ev = (event_thread_t *) p_data;
2368     vlc_mutex_lock( &p_ev->lock );
2369     if( psz_var[6] == 'c' )
2370         p_ev->b_clicked = VLC_TRUE;
2371     else if( psz_var[6] == 'm' )
2372         p_ev->b_moved = VLC_TRUE;
2373     vlc_mutex_unlock( &p_ev->lock );
2374
2375     return VLC_SUCCESS;
2376 }
2377
2378 int demux_sys_t::EventKey( vlc_object_t *p_this, char const *psz_var,
2379                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
2380 {
2381     event_thread_t *p_ev = (event_thread_t *) p_data;
2382     vlc_mutex_lock( &p_ev->lock );
2383     p_ev->b_key = VLC_TRUE;
2384     vlc_mutex_unlock( &p_ev->lock );
2385
2386     return VLC_SUCCESS;
2387 }
2388
2389 int demux_sys_t::EventThread( vlc_object_t *p_this )
2390 {
2391     event_thread_t *p_ev = (event_thread_t*)p_this;
2392     demux_sys_t    *p_sys = p_ev->p_demux->p_sys;
2393     vlc_object_t   *p_vout = NULL;
2394
2395     p_ev->b_moved   = VLC_FALSE;
2396     p_ev->b_clicked = VLC_FALSE;
2397     p_ev->b_key     = VLC_FALSE;
2398
2399     /* catch all key event */
2400     var_AddCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2401
2402     /* main loop */
2403     while( !p_ev->b_die )
2404     {
2405         if ( !p_sys->b_pci_packet_set )
2406         {
2407             /* Wait 100ms */
2408             msleep( 100000 );
2409             continue;
2410         }
2411
2412         vlc_bool_t b_activated = VLC_FALSE;
2413
2414         /* KEY part */
2415         if( p_ev->b_key )
2416         {
2417             vlc_value_t valk;
2418             struct vlc_t::hotkey *p_hotkeys = p_ev->p_vlc->p_hotkeys;
2419             int i, i_action = -1;
2420
2421             vlc_mutex_lock( &p_ev->lock );
2422
2423             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2424
2425             var_Get( p_ev->p_vlc, "key-pressed", &valk );
2426             for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
2427             {
2428                 if( p_hotkeys[i].i_key == valk.i_int )
2429                 {
2430                     i_action = p_hotkeys[i].i_action;
2431                 }
2432             }
2433
2434             uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2435
2436             switch( i_action )
2437             {
2438             case ACTIONID_NAV_LEFT:
2439                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2440                 {
2441                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2442                     if ( p_button_ptr->left > 0 && p_button_ptr->left <= pci->hli.hl_gi.btn_ns )
2443                     {
2444                         i_curr_button = p_button_ptr->left;
2445                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2446                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2447                         if ( button_ptr.auto_action_mode )
2448                         {
2449                             vlc_mutex_unlock( &p_ev->lock );
2450                             vlc_mutex_lock( &p_sys->lock_demuxer );
2451
2452                             // process the button action
2453                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2454
2455                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2456                             vlc_mutex_lock( &p_ev->lock );
2457                         }
2458                     }
2459                 }
2460                 break;
2461             case ACTIONID_NAV_RIGHT:
2462                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2463                 {
2464                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2465                     if ( p_button_ptr->right > 0 && p_button_ptr->right <= pci->hli.hl_gi.btn_ns )
2466                     {
2467                         i_curr_button = p_button_ptr->right;
2468                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2469                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2470                         if ( button_ptr.auto_action_mode )
2471                         {
2472                             vlc_mutex_unlock( &p_ev->lock );
2473                             vlc_mutex_lock( &p_sys->lock_demuxer );
2474
2475                             // process the button action
2476                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2477
2478                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2479                             vlc_mutex_lock( &p_ev->lock );
2480                         }
2481                     }
2482                 }
2483                 break;
2484             case ACTIONID_NAV_UP:
2485                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2486                 {
2487                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2488                     if ( p_button_ptr->up > 0 && p_button_ptr->up <= pci->hli.hl_gi.btn_ns )
2489                     {
2490                         i_curr_button = p_button_ptr->up;
2491                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2492                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2493                         if ( button_ptr.auto_action_mode )
2494                         {
2495                             vlc_mutex_unlock( &p_ev->lock );
2496                             vlc_mutex_lock( &p_sys->lock_demuxer );
2497
2498                             // process the button action
2499                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2500
2501                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2502                             vlc_mutex_lock( &p_ev->lock );
2503                         }
2504                     }
2505                 }
2506                 break;
2507             case ACTIONID_NAV_DOWN:
2508                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2509                 {
2510                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2511                     if ( p_button_ptr->down > 0 && p_button_ptr->down <= pci->hli.hl_gi.btn_ns )
2512                     {
2513                         i_curr_button = p_button_ptr->down;
2514                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2515                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2516                         if ( button_ptr.auto_action_mode )
2517                         {
2518                             vlc_mutex_unlock( &p_ev->lock );
2519                             vlc_mutex_lock( &p_sys->lock_demuxer );
2520
2521                             // process the button action
2522                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2523
2524                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2525                             vlc_mutex_lock( &p_ev->lock );
2526                         }
2527                     }
2528                 }
2529                 break;
2530             case ACTIONID_NAV_ACTIVATE:
2531                 b_activated = VLC_TRUE;
2532
2533                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2534                 {
2535                     btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2536
2537                     vlc_mutex_unlock( &p_ev->lock );
2538                     vlc_mutex_lock( &p_sys->lock_demuxer );
2539
2540                     // process the button action
2541                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2542
2543                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2544                     vlc_mutex_lock( &p_ev->lock );
2545                 }
2546                 break;
2547             default:
2548                 break;
2549             }
2550             p_ev->b_key = VLC_FALSE;
2551             vlc_mutex_unlock( &p_ev->lock );
2552         }
2553
2554         /* MOUSE part */
2555         if( p_vout && ( p_ev->b_moved || p_ev->b_clicked ) )
2556         {
2557             vlc_value_t valx, valy;
2558
2559             vlc_mutex_lock( &p_ev->lock );
2560             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2561             var_Get( p_vout, "mouse-x", &valx );
2562             var_Get( p_vout, "mouse-y", &valy );
2563
2564             if( p_ev->b_clicked )
2565             {
2566                 int32_t button;
2567                 int32_t best,dist,d;
2568                 int32_t mx,my,dx,dy;
2569
2570                 b_activated = VLC_TRUE;
2571                 // get current button
2572                 best = 0;
2573                 dist = 0x08000000; /* >> than  (720*720)+(567*567); */
2574                 for(button = 1; button <= pci->hli.hl_gi.btn_ns; button++)
2575                 {
2576                     btni_t *button_ptr = &(pci->hli.btnit[button-1]);
2577
2578                     if(((unsigned)valx.i_int >= button_ptr->x_start)
2579                      && ((unsigned)valx.i_int <= button_ptr->x_end)
2580                      && ((unsigned)valy.i_int >= button_ptr->y_start)
2581                      && ((unsigned)valy.i_int <= button_ptr->y_end))
2582                     {
2583                         mx = (button_ptr->x_start + button_ptr->x_end)/2;
2584                         my = (button_ptr->y_start + button_ptr->y_end)/2;
2585                         dx = mx - valx.i_int;
2586                         dy = my - valy.i_int;
2587                         d = (dx*dx) + (dy*dy);
2588                         /* If the mouse is within the button and the mouse is closer
2589                         * to the center of this button then it is the best choice. */
2590                         if(d < dist) {
2591                             dist = d;
2592                             best = button;
2593                         }
2594                     }
2595                 }
2596
2597                 if ( best != 0)
2598                 {
2599                     btni_t button_ptr = pci->hli.btnit[best-1];
2600                     uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2601
2602                     msg_Dbg( &p_sys->demuxer, "Clicked button %d", best );
2603                     vlc_mutex_unlock( &p_ev->lock );
2604                     vlc_mutex_lock( &p_sys->lock_demuxer );
2605
2606                     // process the button action
2607                     p_sys->dvd_interpretor.SetSPRM( 0x88, best );
2608                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2609
2610                     msg_Dbg( &p_sys->demuxer, "Processed button %d", best );
2611
2612                     // select new button
2613                     if ( best != i_curr_button )
2614                     {
2615                         vlc_value_t val;
2616
2617                         if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
2618                         {
2619                             vlc_mutex_t *p_mutex = (vlc_mutex_t *) val.p_address;
2620                             uint32_t i_palette;
2621
2622                             if(button_ptr.btn_coln != 0) {
2623                                 i_palette = pci->hli.btn_colit.btn_coli[button_ptr.btn_coln-1][1];
2624                             } else {
2625                                 i_palette = 0;
2626                             }
2627
2628                             for( int i = 0; i < 4; i++ )
2629                             {
2630                                 uint32_t i_yuv = 0xFF;//p_sys->clut[(hl.palette>>(16+i*4))&0x0f];
2631                                 uint8_t i_alpha = (i_palette>>(i*4))&0x0f;
2632                                 i_alpha = i_alpha == 0xf ? 0xff : i_alpha << 4;
2633
2634                                 p_sys->palette[i][0] = (i_yuv >> 16) & 0xff;
2635                                 p_sys->palette[i][1] = (i_yuv >> 0) & 0xff;
2636                                 p_sys->palette[i][2] = (i_yuv >> 8) & 0xff;
2637                                 p_sys->palette[i][3] = i_alpha;
2638                             }
2639
2640                             vlc_mutex_lock( p_mutex );
2641                             val.i_int = button_ptr.x_start; var_Set( p_sys->p_input, "x-start", val );
2642                             val.i_int = button_ptr.x_end;   var_Set( p_sys->p_input, "x-end",   val );
2643                             val.i_int = button_ptr.y_start; var_Set( p_sys->p_input, "y-start", val );
2644                             val.i_int = button_ptr.y_end;   var_Set( p_sys->p_input, "y-end",   val );
2645
2646                             val.p_address = (void *)p_sys->palette;
2647                             var_Set( p_sys->p_input, "menu-palette", val );
2648
2649                             val.b_bool = VLC_TRUE; var_Set( p_sys->p_input, "highlight", val );
2650                             vlc_mutex_unlock( p_mutex );
2651                         }
2652                     }
2653                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2654                     vlc_mutex_lock( &p_ev->lock );
2655                 }
2656             }
2657             else if( p_ev->b_moved )
2658             {
2659 //                dvdnav_mouse_select( NULL, pci, valx.i_int, valy.i_int );
2660             }
2661
2662             p_ev->b_moved = VLC_FALSE;
2663             p_ev->b_clicked = VLC_FALSE;
2664             vlc_mutex_unlock( &p_ev->lock );
2665         }
2666
2667         /* VOUT part */
2668         if( p_vout && p_vout->b_die )
2669         {
2670             var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2671             var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2672             vlc_object_release( p_vout );
2673             p_vout = NULL;
2674         }
2675
2676         else if( p_vout == NULL )
2677         {
2678             p_vout = (vlc_object_t*) vlc_object_find( p_sys->p_input, VLC_OBJECT_VOUT,
2679                                       FIND_CHILD );
2680             if( p_vout)
2681             {
2682                 var_AddCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2683                 var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2684             }
2685         }
2686
2687         /* Wait a bit, 10ms */
2688         msleep( 10000 );
2689     }
2690
2691     /* Release callback */
2692     if( p_vout )
2693     {
2694         var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2695         var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2696         vlc_object_release( p_vout );
2697     }
2698     var_DelCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2699
2700     vlc_mutex_destroy( &p_ev->lock );
2701
2702     return VLC_SUCCESS;
2703 }
2704
2705 void matroska_segment_c::UnSelect( )
2706 {
2707     size_t i_track;
2708
2709     for( i_track = 0; i_track < tracks.size(); i_track++ )
2710     {
2711         if ( tracks[i_track]->p_es != NULL )
2712         {
2713 //            es_format_Clean( &tracks[i_track]->fmt );
2714             es_out_Del( sys.demuxer.out, tracks[i_track]->p_es );
2715             tracks[i_track]->p_es = NULL;
2716         }
2717     }
2718     delete ep;
2719     ep = NULL;
2720 }
2721
2722 void virtual_segment_c::PrepareChapters( )
2723 {
2724     if ( linked_segments.size() == 0 )
2725         return;
2726
2727     // !!! should be called only once !!!
2728     matroska_segment_c *p_segment;
2729     size_t i, j;
2730
2731     // copy editions from the first segment
2732     p_segment = linked_segments[0];
2733     p_editions = &p_segment->stored_editions;
2734
2735     for ( i=1 ; i<linked_segments.size(); i++ )
2736     {
2737         p_segment = linked_segments[i];
2738         // FIXME assume we have the same editions in all segments
2739         for (j=0; j<p_segment->stored_editions.size(); j++)
2740             (*p_editions)[j]->Append( *p_segment->stored_editions[j] );
2741     }
2742 }
2743
2744 std::string chapter_edition_c::GetMainName() const
2745 {
2746     if ( sub_chapters.size() )
2747     {
2748         return sub_chapters[0]->GetCodecName( true );
2749     }
2750     return "";
2751 }
2752
2753 int chapter_item_c::PublishChapters( input_title_t & title, int & i_user_chapters, int i_level )
2754 {
2755     // add support for meta-elements from codec like DVD Titles
2756     if ( !b_display_seekpoint || psz_name == "" )
2757     {
2758         psz_name = GetCodecName();
2759         if ( psz_name != "" )
2760             b_display_seekpoint = true;
2761     }
2762
2763     if (b_display_seekpoint)
2764     {
2765         seekpoint_t *sk = vlc_seekpoint_New();
2766
2767         sk->i_level = i_level;
2768         sk->i_time_offset = i_start_time;
2769         sk->psz_name = strdup( psz_name.c_str() );
2770
2771         // A start time of '0' is ok. A missing ChapterTime element is ok, too, because '0' is its default value.
2772         title.i_seekpoint++;
2773         title.seekpoint = (seekpoint_t**)realloc( title.seekpoint, title.i_seekpoint * sizeof( seekpoint_t* ) );
2774         title.seekpoint[title.i_seekpoint-1] = sk;
2775
2776         if ( b_user_display )
2777             i_user_chapters++;
2778     }
2779
2780     for ( size_t i=0; i<sub_chapters.size() ; i++)
2781     {
2782         sub_chapters[i]->PublishChapters( title, i_user_chapters, i_level+1 );
2783     }
2784
2785     i_seekpoint_num = i_user_chapters;
2786
2787     return i_user_chapters;
2788 }
2789
2790 bool virtual_segment_c::UpdateCurrentToChapter( demux_t & demux )
2791 {
2792     demux_sys_t & sys = *demux.p_sys;
2793     chapter_item_c *psz_curr_chapter;
2794     bool b_has_seeked = false;
2795
2796     /* update current chapter/seekpoint */
2797     if ( p_editions->size() )
2798     {
2799         /* 1st, we need to know in which chapter we are */
2800         psz_curr_chapter = (*p_editions)[i_current_edition]->FindTimecode( sys.i_pts, psz_current_chapter );
2801
2802         /* we have moved to a new chapter */
2803         if (psz_curr_chapter != NULL && psz_current_chapter != psz_curr_chapter)
2804         {
2805             if ( (*p_editions)[i_current_edition]->b_ordered )
2806             {
2807                 // Leave/Enter up to the link point
2808                 b_has_seeked = psz_curr_chapter->EnterAndLeave( psz_current_chapter );
2809                 if ( !b_has_seeked )
2810                 {
2811                     // only physically seek if necessary
2812                     if ( psz_current_chapter == NULL || (psz_current_chapter->i_end_time != psz_curr_chapter->i_start_time) )
2813                         Seek( demux, sys.i_pts, 0, psz_curr_chapter );
2814                 }
2815             }
2816
2817             if ( !b_has_seeked )
2818             {
2819                 psz_current_chapter = psz_curr_chapter;
2820                 if ( psz_curr_chapter->i_seekpoint_num > 0 )
2821                 {
2822                     demux.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
2823                     demux.info.i_title = sys.i_current_title = i_sys_title;
2824                     demux.info.i_seekpoint = psz_curr_chapter->i_seekpoint_num - 1;
2825                 }
2826             }
2827
2828             return true;
2829         }
2830         else if (psz_curr_chapter == NULL)
2831         {
2832             // out of the scope of the data described by chapters, leave the edition
2833             if ( (*p_editions)[i_current_edition]->b_ordered && psz_current_chapter != NULL )
2834             {
2835                 if ( !(*p_editions)[i_current_edition]->EnterAndLeave( psz_current_chapter, false ) )
2836                     psz_current_chapter = NULL;
2837                 else
2838                     return true;
2839             }
2840         }
2841     }
2842     return false;
2843 }
2844
2845 chapter_item_c *virtual_segment_c::BrowseCodecPrivate( unsigned int codec_id,
2846                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
2847                                     const void *p_cookie,
2848                                     size_t i_cookie_size )
2849 {
2850     // FIXME don't assume it is the first edition
2851     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
2852     if ( index != p_editions->end() )
2853     {
2854         chapter_item_c *p_result = (*index)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
2855         if ( p_result != NULL )
2856             return p_result;
2857     }
2858     return NULL;
2859 }
2860
2861 chapter_item_c *virtual_segment_c::FindChapter( int64_t i_find_uid )
2862 {
2863     // FIXME don't assume it is the first edition
2864     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
2865     if ( index != p_editions->end() )
2866     {
2867         chapter_item_c *p_result = (*index)->FindChapter( i_find_uid );
2868         if ( p_result != NULL )
2869             return p_result;
2870     }
2871     return NULL;
2872 }
2873
2874 chapter_item_c *chapter_item_c::BrowseCodecPrivate( unsigned int codec_id,
2875                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
2876                                     const void *p_cookie,
2877                                     size_t i_cookie_size )
2878 {
2879     // this chapter
2880     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2881     while ( index != codecs.end() )
2882     {
2883         if ( match( **index ,p_cookie, i_cookie_size ) )
2884             return this;
2885         index++;
2886     }
2887
2888     // sub-chapters
2889     chapter_item_c *p_result = NULL;
2890     std::vector<chapter_item_c*>::const_iterator index2 = sub_chapters.begin();
2891     while ( index2 != sub_chapters.end() )
2892     {
2893         p_result = (*index2)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
2894         if ( p_result != NULL )
2895             return p_result;
2896         index2++;
2897     }
2898
2899     return p_result;
2900 }
2901
2902 void chapter_item_c::Append( const chapter_item_c & chapter )
2903 {
2904     // we are appending content for the same chapter UID
2905     size_t i;
2906     chapter_item_c *p_chapter;
2907
2908     for ( i=0; i<chapter.sub_chapters.size(); i++ )
2909     {
2910         p_chapter = FindChapter( chapter.sub_chapters[i]->i_uid );
2911         if ( p_chapter != NULL )
2912         {
2913             p_chapter->Append( *chapter.sub_chapters[i] );
2914         }
2915         else
2916         {
2917             sub_chapters.push_back( chapter.sub_chapters[i] );
2918         }
2919     }
2920
2921     i_user_start_time = min( i_user_start_time, chapter.i_user_start_time );
2922     i_user_end_time = max( i_user_end_time, chapter.i_user_end_time );
2923 }
2924
2925 chapter_item_c * chapter_item_c::FindChapter( int64_t i_find_uid )
2926 {
2927     size_t i;
2928     chapter_item_c *p_result = NULL;
2929
2930     if ( i_uid == i_find_uid )
2931         return this;
2932
2933     for ( i=0; i<sub_chapters.size(); i++)
2934     {
2935         p_result = sub_chapters[i]->FindChapter( i_find_uid );
2936         if ( p_result != NULL )
2937             break;
2938     }
2939     return p_result;
2940 }
2941
2942 std::string chapter_item_c::GetCodecName( bool f_for_title ) const
2943 {
2944     std::string result;
2945
2946     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2947     while ( index != codecs.end() )
2948     {
2949         result = (*index)->GetCodecName( f_for_title );
2950         if ( result != "" )
2951             break;
2952         index++;
2953     }
2954
2955     return result;
2956 }
2957
2958 std::string dvd_chapter_codec_c::GetCodecName( bool f_for_title ) const
2959 {
2960     std::string result;
2961     if ( p_private_data->GetSize() >= 3)
2962     {
2963         const binary* p_data = p_private_data->GetBuffer();
2964 /*        if ( p_data[0] == MATROSKA_DVD_LEVEL_TT )
2965         {
2966             uint16_t i_title = (p_data[1] << 8) + p_data[2];
2967             char psz_str[11];
2968             sprintf( psz_str, " %d  ---", i_title );
2969             result = N_("---  DVD Title");
2970             result += psz_str;
2971         }
2972         else */ if ( p_data[0] == MATROSKA_DVD_LEVEL_LU )
2973         {
2974             char psz_str[11];
2975             sprintf( psz_str, " (%c%c)  ---", p_data[1], p_data[2] );
2976             result = N_("---  DVD Menu");
2977             result += psz_str;
2978         }
2979         else if ( p_data[0] == MATROSKA_DVD_LEVEL_SS && f_for_title )
2980         {
2981             if ( p_data[1] == 0x00 )
2982                 result = N_("First Played");
2983             else if ( p_data[1] == 0xC0 )
2984                 result = N_("Video Manager");
2985             else if ( p_data[1] == 0x80 )
2986             {
2987                 uint16_t i_title = (p_data[2] << 8) + p_data[3];
2988                 char psz_str[20];
2989                 sprintf( psz_str, " %d -----", i_title );
2990                 result = N_("----- Title");
2991                 result += psz_str;
2992             }
2993         }
2994     }
2995
2996     return result;
2997 }
2998
2999 int16 chapter_item_c::GetTitleNumber( ) const
3000 {
3001     int result = -1;
3002
3003     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
3004     while ( index != codecs.end() )
3005     {
3006         result = (*index)->GetTitleNumber( );
3007         if ( result >= 0 )
3008             break;
3009         index++;
3010     }
3011
3012     return result;
3013 }
3014
3015 int16 dvd_chapter_codec_c::GetTitleNumber()
3016 {
3017     if ( p_private_data->GetSize() >= 3)
3018     {
3019         const binary* p_data = p_private_data->GetBuffer();
3020         if ( p_data[0] == MATROSKA_DVD_LEVEL_SS )
3021         {
3022             return int16( (p_data[2] << 8) + p_data[3] );
3023         }
3024     }
3025     return -1;
3026 }
3027
3028 static void Seek( demux_t *p_demux, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter )
3029 {
3030     demux_sys_t        *p_sys = p_demux->p_sys;
3031     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3032     matroska_segment_c *p_segment = p_vsegment->Segment();
3033     mtime_t            i_time_offset = 0;
3034
3035     int         i_index;
3036
3037     msg_Dbg( p_demux, "seek request to "I64Fd" (%f%%)", i_date, f_percent );
3038     if( i_date < 0 && f_percent < 0 )
3039     {
3040         msg_Warn( p_demux, "cannot seek nowhere !" );
3041         return;
3042     }
3043     if( f_percent > 1.0 )
3044     {
3045         msg_Warn( p_demux, "cannot seek so far !" );
3046         return;
3047     }
3048
3049     /* seek without index or without date */
3050     if( f_percent >= 0 && (config_GetInt( p_demux, "mkv-seek-percent" ) || !p_segment->b_cues || i_date < 0 ))
3051     {
3052         if (p_sys->f_duration >= 0)
3053         {
3054             i_date = int64_t( f_percent * p_sys->f_duration * 1000.0 );
3055         }
3056         else
3057         {
3058             int64_t i_pos = int64_t( f_percent * stream_Size( p_demux->s ) );
3059
3060             msg_Dbg( p_demux, "inacurate way of seeking" );
3061             for( i_index = 0; i_index < p_segment->i_index; i_index++ )
3062             {
3063                 if( p_segment->p_indexes[i_index].i_position >= i_pos)
3064                 {
3065                     break;
3066                 }
3067             }
3068             if( i_index == p_segment->i_index )
3069             {
3070                 i_index--;
3071             }
3072
3073             i_date = p_segment->p_indexes[i_index].i_time;
3074
3075 #if 0
3076             if( p_segment->p_indexes[i_index].i_position < i_pos )
3077             {
3078                 EbmlElement *el;
3079
3080                 msg_Warn( p_demux, "searching for cluster, could take some time" );
3081
3082                 /* search a cluster */
3083                 while( ( el = p_sys->ep->Get() ) != NULL )
3084                 {
3085                     if( MKV_IS_ID( el, KaxCluster ) )
3086                     {
3087                         KaxCluster *cluster = (KaxCluster*)el;
3088
3089                         /* add it to the index */
3090                         p_segment->IndexAppendCluster( cluster );
3091
3092                         if( (int64_t)cluster->GetElementPosition() >= i_pos )
3093                         {
3094                             p_sys->cluster = cluster;
3095                             p_sys->ep->Down();
3096                             break;
3097                         }
3098                     }
3099                 }
3100             }
3101 #endif
3102         }
3103     }
3104
3105     p_vsegment->Seek( *p_demux, i_date, i_time_offset, psz_chapter );
3106 }
3107
3108 /*****************************************************************************
3109  * Demux: reads and demuxes data packets
3110  *****************************************************************************
3111  * Returns -1 in case of error, 0 in case of EOF, 1 otherwise
3112  *****************************************************************************/
3113 static int Demux( demux_t *p_demux)
3114 {
3115     demux_sys_t        *p_sys = p_demux->p_sys;
3116
3117     vlc_mutex_lock( &p_sys->lock_demuxer );
3118
3119     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3120     matroska_segment_c *p_segment = p_vsegment->Segment();
3121     if ( p_segment == NULL ) return 0;
3122     int                i_block_count = 0;
3123     int                i_return = 0;
3124
3125     for( ;; )
3126     {
3127         if ( p_sys->demuxer.b_die )
3128             break;
3129
3130         if( p_sys->i_pts >= p_sys->i_start_pts  )
3131             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3132             {
3133                 i_return = 1;
3134                 break;
3135             }
3136
3137         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3138         {
3139             /* nothing left to read in this ordered edition */
3140             if ( !p_vsegment->SelectNext() )
3141                 break;
3142             p_segment->UnSelect( );
3143
3144             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3145
3146             /* switch to the next segment */
3147             p_segment = p_vsegment->Segment();
3148             if ( !p_segment->Select( 0 ) )
3149             {
3150                 msg_Err( p_demux, "Failed to select new segment" );
3151                 break;
3152             }
3153             continue;
3154         }
3155
3156         KaxBlock *block;
3157         int64_t i_block_duration = 0;
3158         int64_t i_block_ref1;
3159         int64_t i_block_ref2;
3160
3161         if( p_segment->BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
3162         {
3163             if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered )
3164             {
3165                 const chapter_item_c *p_chap = p_vsegment->CurrentChapter();
3166                 // check if there are more chapters to read
3167                 if ( p_chap != NULL )
3168                 {
3169                     /* TODO handle successive chapters with the same user_start_time/user_end_time
3170                     if ( p_chap->i_user_start_time == p_chap->i_user_start_time )
3171                         p_vsegment->SelectNext();
3172                     */
3173                     p_sys->i_last_dts = p_sys->i_pts = p_chap->i_user_end_time;
3174                     p_sys->i_pts++; // trick to avoid staying on segments with no duration and no content
3175
3176                     i_return = 1;
3177                 }
3178
3179                 break;
3180             }
3181             else
3182             {
3183                 msg_Warn( p_demux, "cannot get block EOF?" );
3184                 p_segment->UnSelect( );
3185
3186                 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3187
3188                 /* switch to the next segment */
3189                 if ( !p_vsegment->SelectNext() )
3190                     // no more segments in this stream
3191                     break;
3192                 p_segment = p_vsegment->Segment();
3193                 if ( !p_segment->Select( 0 ) )
3194                 {
3195                     msg_Err( p_demux, "Failed to select new segment" );
3196                     break;
3197                 }
3198
3199                 continue;
3200             }
3201         }
3202
3203         mtime_t i_pts, i_dts;
3204
3205         mtime_t i_time = block->GlobalTimecode();
3206         if ( i_block_ref1 != 0 )
3207             i_time += min( 0, i_block_ref1 );
3208         if ( i_block_ref2 != 0 )
3209             i_time += min( 0, i_block_ref2 );
3210
3211         i_pts = (p_sys->i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
3212         i_dts = (p_sys->i_chapter_time + i_time) / (mtime_t) 1000;
3213
3214         if ( i_dts != i_pts && p_sys->i_last_dts >= i_dts )
3215             p_sys->i_last_dts += 200;
3216         else
3217             p_sys->i_last_dts = i_dts;
3218
3219         p_sys->i_pts = i_pts;
3220
3221         if( p_sys->i_pts >= p_sys->i_start_pts  )
3222         {
3223             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pts );
3224         }
3225
3226         if( i_pts >= p_sys->i_start_pts  )
3227             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3228             {
3229                 i_return = 1;
3230                 break;
3231             }
3232
3233         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3234         {
3235             /* nothing left to read in this ordered edition */
3236             if ( !p_vsegment->SelectNext() )
3237                 break;
3238             p_segment->UnSelect( );
3239
3240             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3241
3242             /* switch to the next segment */
3243             p_segment = p_vsegment->Segment();
3244             if ( !p_segment->Select( 0 ) )
3245             {
3246                 msg_Err( p_demux, "Failed to select new segment" );
3247                 break;
3248             }
3249             continue;
3250         }
3251
3252         BlockDecode( p_demux, block, i_pts, i_block_duration );
3253
3254         delete block;
3255         i_block_count++;
3256
3257         // TODO optimize when there is need to leave or when seeking has been called
3258         if( i_block_count > 5 )
3259         {
3260             i_return = 1;
3261             break;
3262         }
3263     }
3264
3265     vlc_mutex_unlock( &p_sys->lock_demuxer );
3266
3267     return i_return;
3268 }
3269
3270
3271
3272 /*****************************************************************************
3273  * Stream managment
3274  *****************************************************************************/
3275 vlc_stream_io_callback::vlc_stream_io_callback( stream_t *s_, vlc_bool_t b_owner_ )
3276 {
3277     s = s_;
3278     b_owner = b_owner_;
3279     mb_eof = VLC_FALSE;
3280 }
3281
3282 uint32 vlc_stream_io_callback::read( void *p_buffer, size_t i_size )
3283 {
3284     if( i_size <= 0 || mb_eof )
3285     {
3286         return 0;
3287     }
3288
3289     return stream_Read( s, p_buffer, i_size );
3290 }
3291 void vlc_stream_io_callback::setFilePointer(int64_t i_offset, seek_mode mode )
3292 {
3293     int64_t i_pos;
3294
3295     switch( mode )
3296     {
3297         case seek_beginning:
3298             i_pos = i_offset;
3299             break;
3300         case seek_end:
3301             i_pos = stream_Size( s ) - i_offset;
3302             break;
3303         default:
3304             i_pos= stream_Tell( s ) + i_offset;
3305             break;
3306     }
3307
3308     if( i_pos < 0 || i_pos >= stream_Size( s ) )
3309     {
3310         mb_eof = VLC_TRUE;
3311         return;
3312     }
3313
3314     mb_eof = VLC_FALSE;
3315     if( stream_Seek( s, i_pos ) )
3316     {
3317         mb_eof = VLC_TRUE;
3318     }
3319     return;
3320 }
3321 size_t vlc_stream_io_callback::write( const void *p_buffer, size_t i_size )
3322 {
3323     return 0;
3324 }
3325 uint64 vlc_stream_io_callback::getFilePointer( void )
3326 {
3327     return stream_Tell( s );
3328 }
3329 void vlc_stream_io_callback::close( void )
3330 {
3331     return;
3332 }
3333
3334
3335 /*****************************************************************************
3336  * Ebml Stream parser
3337  *****************************************************************************/
3338 EbmlParser::EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux )
3339 {
3340     int i;
3341
3342     m_es = es;
3343     m_got = NULL;
3344     m_el[0] = el_start;
3345     mi_remain_size[0] = el_start->GetSize();
3346
3347     for( i = 1; i < 6; i++ )
3348     {
3349         m_el[i] = NULL;
3350     }
3351     mi_level = 1;
3352     mi_user_level = 1;
3353     mb_keep = VLC_FALSE;
3354     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3355 }
3356
3357 EbmlParser::~EbmlParser( void )
3358 {
3359     int i;
3360
3361     for( i = 1; i < mi_level; i++ )
3362     {
3363         if( !mb_keep )
3364         {
3365             delete m_el[i];
3366         }
3367         mb_keep = VLC_FALSE;
3368     }
3369 }
3370
3371 EbmlElement* EbmlParser::UnGet( uint64 i_block_pos, uint64 i_cluster_pos )
3372 {
3373     if ( mi_user_level > mi_level )
3374     {
3375         while ( mi_user_level != mi_level )
3376         {
3377             delete m_el[mi_user_level];
3378             m_el[mi_user_level] = NULL;
3379             mi_user_level--;
3380         }
3381     }
3382     m_got = NULL;
3383     mb_keep = VLC_FALSE;
3384     if ( m_el[1]->GetElementPosition() == i_cluster_pos )
3385     {
3386         m_es->I_O().setFilePointer( i_block_pos, seek_beginning );
3387         return (EbmlMaster*) m_el[1];
3388     }
3389     else
3390     {
3391         // seek to the previous Cluster
3392         m_es->I_O().setFilePointer( i_cluster_pos, seek_beginning );
3393         mi_level--;
3394         mi_user_level--;
3395         delete m_el[mi_level];
3396         m_el[mi_level] = NULL;
3397         return NULL;
3398     }
3399 }
3400
3401 void EbmlParser::Up( void )
3402 {
3403     if( mi_user_level == mi_level )
3404     {
3405         fprintf( stderr," arrrrrrrrrrrrrg Up cannot escape itself\n" );
3406     }
3407
3408     mi_user_level--;
3409 }
3410
3411 void EbmlParser::Down( void )
3412 {
3413     mi_user_level++;
3414     mi_level++;
3415 }
3416
3417 void EbmlParser::Keep( void )
3418 {
3419     mb_keep = VLC_TRUE;
3420 }
3421
3422 int EbmlParser::GetLevel( void )
3423 {
3424     return mi_user_level;
3425 }
3426
3427 void EbmlParser::Reset( demux_t *p_demux )
3428 {
3429     while ( mi_level > 0)
3430     {
3431         delete m_el[mi_level];
3432         m_el[mi_level] = NULL;
3433         mi_level--;
3434     }
3435     mi_user_level = mi_level = 1;
3436 #if LIBEBML_VERSION >= 0x000704
3437     // a little faster and cleaner
3438     m_es->I_O().setFilePointer( static_cast<KaxSegment*>(m_el[0])->GetGlobalPosition(0) );
3439 #else
3440     m_es->I_O().setFilePointer( m_el[0]->GetElementPosition() + m_el[0]->ElementSize(true) - m_el[0]->GetSize() );
3441 #endif
3442     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3443 }
3444
3445 EbmlElement *EbmlParser::Get( void )
3446 {
3447     int i_ulev = 0;
3448
3449     if( mi_user_level != mi_level )
3450     {
3451         return NULL;
3452     }
3453     if( m_got )
3454     {
3455         EbmlElement *ret = m_got;
3456         m_got = NULL;
3457
3458         return ret;
3459     }
3460
3461     if( m_el[mi_level] )
3462     {
3463         m_el[mi_level]->SkipData( *m_es, m_el[mi_level]->Generic().Context );
3464         if( !mb_keep )
3465         {
3466             delete m_el[mi_level];
3467         }
3468         mb_keep = VLC_FALSE;
3469     }
3470
3471     m_el[mi_level] = m_es->FindNextElement( m_el[mi_level - 1]->Generic().Context, i_ulev, 0xFFFFFFFFL, mb_dummy != 0, 1 );
3472 //    mi_remain_size[mi_level] = m_el[mi_level]->GetSize();
3473     if( i_ulev > 0 )
3474     {
3475         while( i_ulev > 0 )
3476         {
3477             if( mi_level == 1 )
3478             {
3479                 mi_level = 0;
3480                 return NULL;
3481             }
3482
3483             delete m_el[mi_level - 1];
3484             m_got = m_el[mi_level -1] = m_el[mi_level];
3485             m_el[mi_level] = NULL;
3486
3487             mi_level--;
3488             i_ulev--;
3489         }
3490         return NULL;
3491     }
3492     else if( m_el[mi_level] == NULL )
3493     {
3494         fprintf( stderr," m_el[mi_level] == NULL\n" );
3495     }
3496
3497     return m_el[mi_level];
3498 }
3499
3500
3501 /*****************************************************************************
3502  * Tools
3503  *  * LoadCues : load the cues element and update index
3504  *
3505  *  * LoadTags : load ... the tags element
3506  *
3507  *  * InformationCreate : create all information, load tags if present
3508  *
3509  *****************************************************************************/
3510 void matroska_segment_c::LoadCues( )
3511 {
3512     int64_t     i_sav_position = es.I_O().getFilePointer();
3513     EbmlParser  *ep;
3514     EbmlElement *el, *cues;
3515
3516     /* *** Load the cue if found *** */
3517     if( i_cues_position < 0 )
3518     {
3519         msg_Warn( &sys.demuxer, "no cues/empty cues found->seek won't be precise" );
3520
3521 //        IndexAppendCluster( cluster );
3522     }
3523
3524     vlc_bool_t b_seekable;
3525
3526     stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
3527     if( !b_seekable )
3528         return;
3529
3530     msg_Dbg( &sys.demuxer, "loading cues" );
3531     es.I_O().setFilePointer( i_cues_position, seek_beginning );
3532     cues = es.FindNextID( KaxCues::ClassInfos, 0xFFFFFFFFL);
3533
3534     if( cues == NULL )
3535     {
3536         msg_Err( &sys.demuxer, "cannot load cues (broken seekhead or file)" );
3537         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3538         return;
3539     }
3540
3541     ep = new EbmlParser( &es, cues, &sys.demuxer );
3542     while( ( el = ep->Get() ) != NULL )
3543     {
3544         if( MKV_IS_ID( el, KaxCuePoint ) )
3545         {
3546 #define idx p_indexes[i_index]
3547
3548             idx.i_track       = -1;
3549             idx.i_block_number= -1;
3550             idx.i_position    = -1;
3551             idx.i_time        = 0;
3552             idx.b_key         = VLC_TRUE;
3553
3554             ep->Down();
3555             while( ( el = ep->Get() ) != NULL )
3556             {
3557                 if( MKV_IS_ID( el, KaxCueTime ) )
3558                 {
3559                     KaxCueTime &ctime = *(KaxCueTime*)el;
3560
3561                     ctime.ReadData( es.I_O() );
3562
3563                     idx.i_time = uint64( ctime ) * i_timescale / (mtime_t)1000;
3564                 }
3565                 else if( MKV_IS_ID( el, KaxCueTrackPositions ) )
3566                 {
3567                     ep->Down();
3568                     while( ( el = ep->Get() ) != NULL )
3569                     {
3570                         if( MKV_IS_ID( el, KaxCueTrack ) )
3571                         {
3572                             KaxCueTrack &ctrack = *(KaxCueTrack*)el;
3573
3574                             ctrack.ReadData( es.I_O() );
3575                             idx.i_track = uint16( ctrack );
3576                         }
3577                         else if( MKV_IS_ID( el, KaxCueClusterPosition ) )
3578                         {
3579                             KaxCueClusterPosition &ccpos = *(KaxCueClusterPosition*)el;
3580
3581                             ccpos.ReadData( es.I_O() );
3582                             idx.i_position = segment->GetGlobalPosition( uint64( ccpos ) );
3583                         }
3584                         else if( MKV_IS_ID( el, KaxCueBlockNumber ) )
3585                         {
3586                             KaxCueBlockNumber &cbnum = *(KaxCueBlockNumber*)el;
3587
3588                             cbnum.ReadData( es.I_O() );
3589                             idx.i_block_number = uint32( cbnum );
3590                         }
3591                         else
3592                         {
3593                             msg_Dbg( &sys.demuxer, "         * Unknown (%s)", typeid(*el).name() );
3594                         }
3595                     }
3596                     ep->Up();
3597                 }
3598                 else
3599                 {
3600                     msg_Dbg( &sys.demuxer, "     * Unknown (%s)", typeid(*el).name() );
3601                 }
3602             }
3603             ep->Up();
3604
3605 #if 0
3606             msg_Dbg( &sys.demuxer, " * added time="I64Fd" pos="I64Fd
3607                      " track=%d bnum=%d", idx.i_time, idx.i_position,
3608                      idx.i_track, idx.i_block_number );
3609 #endif
3610
3611             i_index++;
3612             if( i_index >= i_index_max )
3613             {
3614                 i_index_max += 1024;
3615                 p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
3616             }
3617 #undef idx
3618         }
3619         else
3620         {
3621             msg_Dbg( &sys.demuxer, " * Unknown (%s)", typeid(*el).name() );
3622         }
3623     }
3624     delete ep;
3625     delete cues;
3626
3627     b_cues = VLC_TRUE;
3628
3629     msg_Dbg( &sys.demuxer, "loading cues done." );
3630     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3631 }
3632
3633 void matroska_segment_c::LoadTags( )
3634 {
3635     int64_t     i_sav_position = es.I_O().getFilePointer();
3636     EbmlParser  *ep;
3637     EbmlElement *el, *tags;
3638
3639     msg_Dbg( &sys.demuxer, "loading tags" );
3640     es.I_O().setFilePointer( i_tags_position, seek_beginning );
3641     tags = es.FindNextID( KaxTags::ClassInfos, 0xFFFFFFFFL);
3642
3643     if( tags == NULL )
3644     {
3645         msg_Err( &sys.demuxer, "cannot load tags (broken seekhead or file)" );
3646         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3647         return;
3648     }
3649
3650     msg_Dbg( &sys.demuxer, "Tags" );
3651     ep = new EbmlParser( &es, tags, &sys.demuxer );
3652     while( ( el = ep->Get() ) != NULL )
3653     {
3654         if( MKV_IS_ID( el, KaxTag ) )
3655         {
3656             msg_Dbg( &sys.demuxer, "+ Tag" );
3657             ep->Down();
3658             while( ( el = ep->Get() ) != NULL )
3659             {
3660                 if( MKV_IS_ID( el, KaxTagTargets ) )
3661                 {
3662                     msg_Dbg( &sys.demuxer, "|   + Targets" );
3663                     ep->Down();
3664                     while( ( el = ep->Get() ) != NULL )
3665                     {
3666                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3667                     }
3668                     ep->Up();
3669                 }
3670                 else if( MKV_IS_ID( el, KaxTagGeneral ) )
3671                 {
3672                     msg_Dbg( &sys.demuxer, "|   + General" );
3673                     ep->Down();
3674                     while( ( el = ep->Get() ) != NULL )
3675                     {
3676                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3677                     }
3678                     ep->Up();
3679                 }
3680                 else if( MKV_IS_ID( el, KaxTagGenres ) )
3681                 {
3682                     msg_Dbg( &sys.demuxer, "|   + Genres" );
3683                     ep->Down();
3684                     while( ( el = ep->Get() ) != NULL )
3685                     {
3686                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3687                     }
3688                     ep->Up();
3689                 }
3690                 else if( MKV_IS_ID( el, KaxTagAudioSpecific ) )
3691                 {
3692                     msg_Dbg( &sys.demuxer, "|   + Audio Specific" );
3693                     ep->Down();
3694                     while( ( el = ep->Get() ) != NULL )
3695                     {
3696                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3697                     }
3698                     ep->Up();
3699                 }
3700                 else if( MKV_IS_ID( el, KaxTagImageSpecific ) )
3701                 {
3702                     msg_Dbg( &sys.demuxer, "|   + Images Specific" );
3703                     ep->Down();
3704                     while( ( el = ep->Get() ) != NULL )
3705                     {
3706                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3707                     }
3708                     ep->Up();
3709                 }
3710                 else if( MKV_IS_ID( el, KaxTagMultiComment ) )
3711                 {
3712                     msg_Dbg( &sys.demuxer, "|   + Multi Comment" );
3713                 }
3714                 else if( MKV_IS_ID( el, KaxTagMultiCommercial ) )
3715                 {
3716                     msg_Dbg( &sys.demuxer, "|   + Multi Commercial" );
3717                 }
3718                 else if( MKV_IS_ID( el, KaxTagMultiDate ) )
3719                 {
3720                     msg_Dbg( &sys.demuxer, "|   + Multi Date" );
3721                 }
3722                 else if( MKV_IS_ID( el, KaxTagMultiEntity ) )
3723                 {
3724                     msg_Dbg( &sys.demuxer, "|   + Multi Entity" );
3725                 }
3726                 else if( MKV_IS_ID( el, KaxTagMultiIdentifier ) )
3727                 {
3728                     msg_Dbg( &sys.demuxer, "|   + Multi Identifier" );
3729                 }
3730                 else if( MKV_IS_ID( el, KaxTagMultiLegal ) )
3731                 {
3732                     msg_Dbg( &sys.demuxer, "|   + Multi Legal" );
3733                 }
3734                 else if( MKV_IS_ID( el, KaxTagMultiTitle ) )
3735                 {
3736                     msg_Dbg( &sys.demuxer, "|   + Multi Title" );
3737                 }
3738                 else
3739                 {
3740                     msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid( *el ).name() );
3741                 }
3742             }
3743             ep->Up();
3744         }
3745         else
3746         {
3747             msg_Dbg( &sys.demuxer, "+ Unknown (%s)", typeid( *el ).name() );
3748         }
3749     }
3750     delete ep;
3751     delete tags;
3752
3753     msg_Dbg( &sys.demuxer, "loading tags done." );
3754     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3755 }
3756
3757 /*****************************************************************************
3758  * ParseSeekHead:
3759  *****************************************************************************/
3760 void matroska_segment_c::ParseSeekHead( KaxSeekHead *seekhead )
3761 {
3762     EbmlElement *el;
3763     size_t i, j;
3764     int i_upper_level = 0;
3765
3766     msg_Dbg( &sys.demuxer, "|   + Seek head" );
3767
3768     /* Master elements */
3769     seekhead->Read( es, seekhead->Generic().Context, i_upper_level, el, true );
3770
3771     for( i = 0; i < seekhead->ListSize(); i++ )
3772     {
3773         EbmlElement *l = (*seekhead)[i];
3774
3775         if( MKV_IS_ID( l, KaxSeek ) )
3776         {
3777             EbmlMaster *sk = static_cast<EbmlMaster *>(l);
3778             EbmlId id = EbmlVoid::ClassInfos.GlobalId;
3779             int64_t i_pos = -1;
3780
3781             for( j = 0; j < sk->ListSize(); j++ )
3782             {
3783                 EbmlElement *l = (*sk)[j];
3784
3785                 if( MKV_IS_ID( l, KaxSeekID ) )
3786                 {
3787                     KaxSeekID &sid = *(KaxSeekID*)l;
3788                     id = EbmlId( sid.GetBuffer(), sid.GetSize() );
3789                 }
3790                 else if( MKV_IS_ID( l, KaxSeekPosition ) )
3791                 {
3792                     KaxSeekPosition &spos = *(KaxSeekPosition*)l;
3793                     i_pos = uint64( spos );
3794                 }
3795                 else
3796                 {
3797                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
3798                 }
3799             }
3800
3801             if( i_pos >= 0 )
3802             {
3803                 if( id == KaxCues::ClassInfos.GlobalId )
3804                 {
3805                     msg_Dbg( &sys.demuxer, "|   |   |   = cues at "I64Fd, i_pos );
3806                     i_cues_position = segment->GetGlobalPosition( i_pos );
3807                 }
3808                 else if( id == KaxChapters::ClassInfos.GlobalId )
3809                 {
3810                     msg_Dbg( &sys.demuxer, "|   |   |   = chapters at "I64Fd, i_pos );
3811                     i_chapters_position = segment->GetGlobalPosition( i_pos );
3812                 }
3813                 else if( id == KaxTags::ClassInfos.GlobalId )
3814                 {
3815                     msg_Dbg( &sys.demuxer, "|   |   |   = tags at "I64Fd, i_pos );
3816                     i_tags_position = segment->GetGlobalPosition( i_pos );
3817                 }
3818             }
3819         }
3820         else
3821         {
3822             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
3823         }
3824     }
3825 }
3826
3827 /*****************************************************************************
3828  * ParseTrackEntry:
3829  *****************************************************************************/
3830 void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
3831 {
3832     size_t i, j, k, n;
3833
3834     mkv_track_t *tk;
3835
3836     msg_Dbg( &sys.demuxer, "|   |   + Track Entry" );
3837
3838     tk = new mkv_track_t();
3839     tracks.push_back( tk );
3840
3841     /* Init the track */
3842     memset( tk, 0, sizeof( mkv_track_t ) );
3843
3844     es_format_Init( &tk->fmt, UNKNOWN_ES, 0 );
3845     tk->fmt.psz_language = strdup("English");
3846     tk->fmt.psz_description = NULL;
3847
3848     tk->b_default = VLC_TRUE;
3849     tk->b_enabled = VLC_TRUE;
3850     tk->b_silent = VLC_FALSE;
3851     tk->i_number = tracks.size() - 1;
3852     tk->i_extra_data = 0;
3853     tk->p_extra_data = NULL;
3854     tk->psz_codec = NULL;
3855     tk->i_default_duration = 0;
3856     tk->f_timecodescale = 1.0;
3857
3858     tk->b_inited = VLC_FALSE;
3859     tk->i_data_init = 0;
3860     tk->p_data_init = NULL;
3861
3862     tk->psz_codec_name = NULL;
3863     tk->psz_codec_settings = NULL;
3864     tk->psz_codec_info_url = NULL;
3865     tk->psz_codec_download_url = NULL;
3866
3867     tk->i_compression_type = MATROSKA_COMPRESSION_NONE;
3868
3869     for( i = 0; i < m->ListSize(); i++ )
3870     {
3871         EbmlElement *l = (*m)[i];
3872
3873         if( MKV_IS_ID( l, KaxTrackNumber ) )
3874         {
3875             KaxTrackNumber &tnum = *(KaxTrackNumber*)l;
3876
3877             tk->i_number = uint32( tnum );
3878             msg_Dbg( &sys.demuxer, "|   |   |   + Track Number=%u", uint32( tnum ) );
3879         }
3880         else  if( MKV_IS_ID( l, KaxTrackUID ) )
3881         {
3882             KaxTrackUID &tuid = *(KaxTrackUID*)l;
3883
3884             msg_Dbg( &sys.demuxer, "|   |   |   + Track UID=%u",  uint32( tuid ) );
3885         }
3886         else  if( MKV_IS_ID( l, KaxTrackType ) )
3887         {
3888             char *psz_type;
3889             KaxTrackType &ttype = *(KaxTrackType*)l;
3890
3891             switch( uint8(ttype) )
3892             {
3893                 case track_audio:
3894                     psz_type = "audio";
3895                     tk->fmt.i_cat = AUDIO_ES;
3896                     break;
3897                 case track_video:
3898                     psz_type = "video";
3899                     tk->fmt.i_cat = VIDEO_ES;
3900                     break;
3901                 case track_subtitle:
3902                     psz_type = "subtitle";
3903                     tk->fmt.i_cat = SPU_ES;
3904                     break;
3905                 case track_buttons:
3906                     psz_type = "buttons";
3907                     tk->fmt.i_cat = SPU_ES;
3908                     break;
3909                 default:
3910                     psz_type = "unknown";
3911                     tk->fmt.i_cat = UNKNOWN_ES;
3912                     break;
3913             }
3914
3915             msg_Dbg( &sys.demuxer, "|   |   |   + Track Type=%s", psz_type );
3916         }
3917 //        else  if( EbmlId( *l ) == KaxTrackFlagEnabled::ClassInfos.GlobalId )
3918 //        {
3919 //            KaxTrackFlagEnabled &fenb = *(KaxTrackFlagEnabled*)l;
3920
3921 //            tk->b_enabled = uint32( fenb );
3922 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Enabled=%u",
3923 //                     uint32( fenb )  );
3924 //        }
3925         else  if( MKV_IS_ID( l, KaxTrackFlagDefault ) )
3926         {
3927             KaxTrackFlagDefault &fdef = *(KaxTrackFlagDefault*)l;
3928
3929             tk->b_default = uint32( fdef );
3930             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default=%u", uint32( fdef )  );
3931         }
3932         else  if( MKV_IS_ID( l, KaxTrackFlagLacing ) )
3933         {
3934             KaxTrackFlagLacing &lac = *(KaxTrackFlagLacing*)l;
3935
3936             msg_Dbg( &sys.demuxer, "|   |   |   + Track Lacing=%d", uint32( lac ) );
3937         }
3938         else  if( MKV_IS_ID( l, KaxTrackMinCache ) )
3939         {
3940             KaxTrackMinCache &cmin = *(KaxTrackMinCache*)l;
3941
3942             msg_Dbg( &sys.demuxer, "|   |   |   + Track MinCache=%d", uint32( cmin ) );
3943         }
3944         else  if( MKV_IS_ID( l, KaxTrackMaxCache ) )
3945         {
3946             KaxTrackMaxCache &cmax = *(KaxTrackMaxCache*)l;
3947
3948             msg_Dbg( &sys.demuxer, "|   |   |   + Track MaxCache=%d", uint32( cmax ) );
3949         }
3950         else  if( MKV_IS_ID( l, KaxTrackDefaultDuration ) )
3951         {
3952             KaxTrackDefaultDuration &defd = *(KaxTrackDefaultDuration*)l;
3953
3954             tk->i_default_duration = uint64(defd);
3955             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default Duration="I64Fd, uint64(defd) );
3956         }
3957         else  if( MKV_IS_ID( l, KaxTrackTimecodeScale ) )
3958         {
3959             KaxTrackTimecodeScale &ttcs = *(KaxTrackTimecodeScale*)l;
3960
3961             tk->f_timecodescale = float( ttcs );
3962             msg_Dbg( &sys.demuxer, "|   |   |   + Track TimeCodeScale=%f", tk->f_timecodescale );
3963         }
3964         else if( MKV_IS_ID( l, KaxTrackName ) )
3965         {
3966             KaxTrackName &tname = *(KaxTrackName*)l;
3967
3968             tk->fmt.psz_description = ToUTF8( UTFstring( tname ) );
3969             msg_Dbg( &sys.demuxer, "|   |   |   + Track Name=%s", tk->fmt.psz_description );
3970         }
3971         else  if( MKV_IS_ID( l, KaxTrackLanguage ) )
3972         {
3973             KaxTrackLanguage &lang = *(KaxTrackLanguage*)l;
3974
3975             tk->fmt.psz_language = strdup( string( lang ).c_str() );
3976             msg_Dbg( &sys.demuxer,
3977                      "|   |   |   + Track Language=`%s'", tk->fmt.psz_language );
3978         }
3979         else  if( MKV_IS_ID( l, KaxCodecID ) )
3980         {
3981             KaxCodecID &codecid = *(KaxCodecID*)l;
3982
3983             tk->psz_codec = strdup( string( codecid ).c_str() );
3984             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecId=%s", string( codecid ).c_str() );
3985         }
3986         else  if( MKV_IS_ID( l, KaxCodecPrivate ) )
3987         {
3988             KaxCodecPrivate &cpriv = *(KaxCodecPrivate*)l;
3989
3990             tk->i_extra_data = cpriv.GetSize();
3991             if( tk->i_extra_data > 0 )
3992             {
3993                 tk->p_extra_data = (uint8_t*)malloc( tk->i_extra_data );
3994                 memcpy( tk->p_extra_data, cpriv.GetBuffer(), tk->i_extra_data );
3995             }
3996             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecPrivate size="I64Fd, cpriv.GetSize() );
3997         }
3998         else if( MKV_IS_ID( l, KaxCodecName ) )
3999         {
4000             KaxCodecName &cname = *(KaxCodecName*)l;
4001
4002             tk->psz_codec_name = ToUTF8( UTFstring( cname ) );
4003             msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Name=%s", tk->psz_codec_name );
4004         }
4005         else if( MKV_IS_ID( l, KaxContentEncodings ) )
4006         {
4007             EbmlMaster *cencs = static_cast<EbmlMaster*>(l);
4008             MkvTree( sys.demuxer, 3, "Content Encodings" );
4009             for( j = 0; j < cencs->ListSize(); j++ )
4010             {
4011                 EbmlElement *l2 = (*cencs)[j];
4012                 if( MKV_IS_ID( l2, KaxContentEncoding ) )
4013                 {
4014                     MkvTree( sys.demuxer, 4, "Content Encoding" );
4015                     EbmlMaster *cenc = static_cast<EbmlMaster*>(l2);
4016                     for( k = 0; k < cenc->ListSize(); k++ )
4017                     {
4018                         EbmlElement *l3 = (*cenc)[k];
4019                         if( MKV_IS_ID( l3, KaxContentEncodingOrder ) )
4020                         {
4021                             KaxContentEncodingOrder &encord = *(KaxContentEncodingOrder*)l3;
4022                             MkvTree( sys.demuxer, 5, "Order: %i", uint32( encord ) );
4023                         }
4024                         else if( MKV_IS_ID( l3, KaxContentEncodingScope ) )
4025                         {
4026                             KaxContentEncodingScope &encscope = *(KaxContentEncodingScope*)l3;
4027                             MkvTree( sys.demuxer, 5, "Scope: %i", uint32( encscope ) );
4028                         }
4029                         else if( MKV_IS_ID( l3, KaxContentEncodingType ) )
4030                         {
4031                             KaxContentEncodingType &enctype = *(KaxContentEncodingType*)l3;
4032                             MkvTree( sys.demuxer, 5, "Type: %i", uint32( enctype ) );
4033                         }
4034                         else if( MKV_IS_ID( l3, KaxContentCompression ) )
4035                         {
4036                             EbmlMaster *compr = static_cast<EbmlMaster*>(l3);
4037                             MkvTree( sys.demuxer, 5, "Content Compression" );
4038                             for( n = 0; n < compr->ListSize(); n++ )
4039                             {
4040                                 EbmlElement *l4 = (*compr)[n];
4041                                 if( MKV_IS_ID( l4, KaxContentCompAlgo ) )
4042                                 {
4043                                     KaxContentCompAlgo &compalg = *(KaxContentCompAlgo*)l4;
4044                                     MkvTree( sys.demuxer, 6, "Compression Algorithm: %i", uint32(compalg) );
4045                                     if( uint32( compalg ) == 0 )
4046                                     {
4047                                         tk->i_compression_type = MATROSKA_COMPRESSION_ZLIB;
4048                                     }
4049                                 }
4050                                 else
4051                                 {
4052                                     MkvTree( sys.demuxer, 6, "Unknown (%s)", typeid(*l4).name() );
4053                                 }
4054                             }
4055                         }
4056
4057                         else
4058                         {
4059                             MkvTree( sys.demuxer, 5, "Unknown (%s)", typeid(*l3).name() );
4060                         }
4061                     }
4062
4063                 }
4064                 else
4065                 {
4066                     MkvTree( sys.demuxer, 4, "Unknown (%s)", typeid(*l2).name() );
4067                 }
4068             }
4069
4070         }
4071 //        else if( EbmlId( *l ) == KaxCodecSettings::ClassInfos.GlobalId )
4072 //        {
4073 //            KaxCodecSettings &cset = *(KaxCodecSettings*)l;
4074
4075 //            tk->psz_codec_settings = ToUTF8( UTFstring( cset ) );
4076 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Settings=%s", tk->psz_codec_settings );
4077 //        }
4078 //        else if( EbmlId( *l ) == KaxCodecInfoURL::ClassInfos.GlobalId )
4079 //        {
4080 //            KaxCodecInfoURL &ciurl = *(KaxCodecInfoURL*)l;
4081
4082 //            tk->psz_codec_info_url = strdup( string( ciurl ).c_str() );
4083 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_info_url );
4084 //        }
4085 //        else if( EbmlId( *l ) == KaxCodecDownloadURL::ClassInfos.GlobalId )
4086 //        {
4087 //            KaxCodecDownloadURL &cdurl = *(KaxCodecDownloadURL*)l;
4088
4089 //            tk->psz_codec_download_url = strdup( string( cdurl ).c_str() );
4090 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_download_url );
4091 //        }
4092 //        else if( EbmlId( *l ) == KaxCodecDecodeAll::ClassInfos.GlobalId )
4093 //        {
4094 //            KaxCodecDecodeAll &cdall = *(KaxCodecDecodeAll*)l;
4095
4096 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Decode All=%u <== UNUSED", uint8( cdall ) );
4097 //        }
4098 //        else if( EbmlId( *l ) == KaxTrackOverlay::ClassInfos.GlobalId )
4099 //        {
4100 //            KaxTrackOverlay &tovr = *(KaxTrackOverlay*)l;
4101
4102 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Overlay=%u <== UNUSED", uint32( tovr ) );
4103 //        }
4104         else  if( MKV_IS_ID( l, KaxTrackVideo ) )
4105         {
4106             EbmlMaster *tkv = static_cast<EbmlMaster*>(l);
4107             unsigned int j;
4108
4109             msg_Dbg( &sys.demuxer, "|   |   |   + Track Video" );
4110             tk->f_fps = 0.0;
4111
4112             tk->fmt.video.i_frame_rate_base = (unsigned int)(tk->i_default_duration / 1000);
4113             tk->fmt.video.i_frame_rate = 1000000;
4114
4115             for( j = 0; j < tkv->ListSize(); j++ )
4116             {
4117                 EbmlElement *l = (*tkv)[j];
4118 //                if( EbmlId( *el4 ) == KaxVideoFlagInterlaced::ClassInfos.GlobalId )
4119 //                {
4120 //                    KaxVideoFlagInterlaced &fint = *(KaxVideoFlagInterlaced*)el4;
4121
4122 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Interlaced=%u", uint8( fint ) );
4123 //                }
4124 //                else if( EbmlId( *el4 ) == KaxVideoStereoMode::ClassInfos.GlobalId )
4125 //                {
4126 //                    KaxVideoStereoMode &stereo = *(KaxVideoStereoMode*)el4;
4127
4128 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Stereo Mode=%u", uint8( stereo ) );
4129 //                }
4130 //                else
4131                 if( MKV_IS_ID( l, KaxVideoPixelWidth ) )
4132                 {
4133                     KaxVideoPixelWidth &vwidth = *(KaxVideoPixelWidth*)l;
4134
4135                     tk->fmt.video.i_width = uint16( vwidth );
4136                     msg_Dbg( &sys.demuxer, "|   |   |   |   + width=%d", uint16( vwidth ) );
4137                 }
4138                 else if( MKV_IS_ID( l, KaxVideoPixelHeight ) )
4139                 {
4140                     KaxVideoPixelWidth &vheight = *(KaxVideoPixelWidth*)l;
4141
4142                     tk->fmt.video.i_height = uint16( vheight );
4143                     msg_Dbg( &sys.demuxer, "|   |   |   |   + height=%d", uint16( vheight ) );
4144                 }
4145                 else if( MKV_IS_ID( l, KaxVideoDisplayWidth ) )
4146                 {
4147                     KaxVideoDisplayWidth &vwidth = *(KaxVideoDisplayWidth*)l;
4148
4149                     tk->fmt.video.i_visible_width = uint16( vwidth );
4150                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display width=%d", uint16( vwidth ) );
4151                 }
4152                 else if( MKV_IS_ID( l, KaxVideoDisplayHeight ) )
4153                 {
4154                     KaxVideoDisplayWidth &vheight = *(KaxVideoDisplayWidth*)l;
4155
4156                     tk->fmt.video.i_visible_height = uint16( vheight );
4157                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display height=%d", uint16( vheight ) );
4158                 }
4159                 else if( MKV_IS_ID( l, KaxVideoFrameRate ) )
4160                 {
4161                     KaxVideoFrameRate &vfps = *(KaxVideoFrameRate*)l;
4162
4163                     tk->f_fps = float( vfps );
4164                     msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( vfps ) );
4165                 }
4166 //                else if( EbmlId( *l ) == KaxVideoDisplayUnit::ClassInfos.GlobalId )
4167 //                {
4168 //                     KaxVideoDisplayUnit &vdmode = *(KaxVideoDisplayUnit*)l;
4169
4170 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Display Unit=%s",
4171 //                             uint8( vdmode ) == 0 ? "pixels" : ( uint8( vdmode ) == 1 ? "centimeters": "inches" ) );
4172 //                }
4173 //                else if( EbmlId( *l ) == KaxVideoAspectRatio::ClassInfos.GlobalId )
4174 //                {
4175 //                    KaxVideoAspectRatio &ratio = *(KaxVideoAspectRatio*)l;
4176
4177 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + Track Video Aspect Ratio Type=%u", uint8( ratio ) );
4178 //                }
4179 //                else if( EbmlId( *l ) == KaxVideoGamma::ClassInfos.GlobalId )
4180 //                {
4181 //                    KaxVideoGamma &gamma = *(KaxVideoGamma*)l;
4182
4183 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( gamma ) );
4184 //                }
4185                 else
4186                 {
4187                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4188                 }
4189             }
4190             if ( tk->fmt.video.i_visible_height && tk->fmt.video.i_visible_width )
4191                 tk->fmt.video.i_aspect = VOUT_ASPECT_FACTOR * tk->fmt.video.i_visible_width / tk->fmt.video.i_visible_height;
4192         }
4193         else  if( MKV_IS_ID( l, KaxTrackAudio ) )
4194         {
4195             EbmlMaster *tka = static_cast<EbmlMaster*>(l);
4196             unsigned int j;
4197
4198             msg_Dbg( &sys.demuxer, "|   |   |   + Track Audio" );
4199
4200             for( j = 0; j < tka->ListSize(); j++ )
4201             {
4202                 EbmlElement *l = (*tka)[j];
4203
4204                 if( MKV_IS_ID( l, KaxAudioSamplingFreq ) )
4205                 {
4206                     KaxAudioSamplingFreq &afreq = *(KaxAudioSamplingFreq*)l;
4207
4208                     tk->fmt.audio.i_rate = (int)float( afreq );
4209                     msg_Dbg( &sys.demuxer, "|   |   |   |   + afreq=%d", tk->fmt.audio.i_rate );
4210                 }
4211                 else if( MKV_IS_ID( l, KaxAudioChannels ) )
4212                 {
4213                     KaxAudioChannels &achan = *(KaxAudioChannels*)l;
4214
4215                     tk->fmt.audio.i_channels = uint8( achan );
4216                     msg_Dbg( &sys.demuxer, "|   |   |   |   + achan=%u", uint8( achan ) );
4217                 }
4218                 else if( MKV_IS_ID( l, KaxAudioBitDepth ) )
4219                 {
4220                     KaxAudioBitDepth &abits = *(KaxAudioBitDepth*)l;
4221
4222                     tk->fmt.audio.i_bitspersample = uint8( abits );
4223                     msg_Dbg( &sys.demuxer, "|   |   |   |   + abits=%u", uint8( abits ) );
4224                 }
4225                 else
4226                 {
4227                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4228                 }
4229             }
4230         }
4231         else
4232         {
4233             msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)",
4234                      typeid(*l).name() );
4235         }
4236     }
4237 }
4238
4239 /*****************************************************************************
4240  * ParseTracks:
4241  *****************************************************************************/
4242 void matroska_segment_c::ParseTracks( KaxTracks *tracks )
4243 {
4244     EbmlElement *el;
4245     unsigned int i;
4246     int i_upper_level = 0;
4247
4248     msg_Dbg( &sys.demuxer, "|   + Tracks" );
4249
4250     /* Master elements */
4251     tracks->Read( es, tracks->Generic().Context, i_upper_level, el, true );
4252
4253     for( i = 0; i < tracks->ListSize(); i++ )
4254     {
4255         EbmlElement *l = (*tracks)[i];
4256
4257         if( MKV_IS_ID( l, KaxTrackEntry ) )
4258         {
4259             ParseTrackEntry( static_cast<KaxTrackEntry *>(l) );
4260         }
4261         else
4262         {
4263             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4264         }
4265     }
4266 }
4267
4268 /*****************************************************************************
4269  * ParseInfo:
4270  *****************************************************************************/
4271 void matroska_segment_c::ParseInfo( KaxInfo *info )
4272 {
4273     EbmlElement *el;
4274     EbmlMaster  *m;
4275     size_t i, j;
4276     int i_upper_level = 0;
4277
4278     msg_Dbg( &sys.demuxer, "|   + Information" );
4279
4280     /* Master elements */
4281     m = static_cast<EbmlMaster *>(info);
4282     m->Read( es, info->Generic().Context, i_upper_level, el, true );
4283
4284     for( i = 0; i < m->ListSize(); i++ )
4285     {
4286         EbmlElement *l = (*m)[i];
4287
4288         if( MKV_IS_ID( l, KaxSegmentUID ) )
4289         {
4290             p_segment_uid = new KaxSegmentUID(*static_cast<KaxSegmentUID*>(l));
4291
4292             msg_Dbg( &sys.demuxer, "|   |   + UID=%d", *(uint32*)p_segment_uid->GetBuffer() );
4293         }
4294         else if( MKV_IS_ID( l, KaxPrevUID ) )
4295         {
4296             p_prev_segment_uid = new KaxPrevUID(*static_cast<KaxPrevUID*>(l));
4297
4298             msg_Dbg( &sys.demuxer, "|   |   + PrevUID=%d", *(uint32*)p_prev_segment_uid->GetBuffer() );
4299         }
4300         else if( MKV_IS_ID( l, KaxNextUID ) )
4301         {
4302             p_next_segment_uid = new KaxNextUID(*static_cast<KaxNextUID*>(l));
4303
4304             msg_Dbg( &sys.demuxer, "|   |   + NextUID=%d", *(uint32*)p_next_segment_uid->GetBuffer() );
4305         }
4306         else if( MKV_IS_ID( l, KaxTimecodeScale ) )
4307         {
4308             KaxTimecodeScale &tcs = *(KaxTimecodeScale*)l;
4309
4310             i_timescale = uint64(tcs);
4311
4312             msg_Dbg( &sys.demuxer, "|   |   + TimecodeScale="I64Fd,
4313                      i_timescale );
4314         }
4315         else if( MKV_IS_ID( l, KaxDuration ) )
4316         {
4317             KaxDuration &dur = *(KaxDuration*)l;
4318
4319             i_duration = mtime_t( double( dur ) );
4320
4321             msg_Dbg( &sys.demuxer, "|   |   + Duration="I64Fd,
4322                      i_duration );
4323         }
4324         else if( MKV_IS_ID( l, KaxMuxingApp ) )
4325         {
4326             KaxMuxingApp &mapp = *(KaxMuxingApp*)l;
4327
4328             psz_muxing_application = ToUTF8( UTFstring( mapp ) );
4329
4330             msg_Dbg( &sys.demuxer, "|   |   + Muxing Application=%s",
4331                      psz_muxing_application );
4332         }
4333         else if( MKV_IS_ID( l, KaxWritingApp ) )
4334         {
4335             KaxWritingApp &wapp = *(KaxWritingApp*)l;
4336
4337             psz_writing_application = ToUTF8( UTFstring( wapp ) );
4338
4339             msg_Dbg( &sys.demuxer, "|   |   + Writing Application=%s",
4340                      psz_writing_application );
4341         }
4342         else if( MKV_IS_ID( l, KaxSegmentFilename ) )
4343         {
4344             KaxSegmentFilename &sfn = *(KaxSegmentFilename*)l;
4345
4346             psz_segment_filename = ToUTF8( UTFstring( sfn ) );
4347
4348             msg_Dbg( &sys.demuxer, "|   |   + Segment Filename=%s",
4349                      psz_segment_filename );
4350         }
4351         else if( MKV_IS_ID( l, KaxTitle ) )
4352         {
4353             KaxTitle &title = *(KaxTitle*)l;
4354
4355             psz_title = ToUTF8( UTFstring( title ) );
4356
4357             msg_Dbg( &sys.demuxer, "|   |   + Title=%s", psz_title );
4358         }
4359         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
4360         {
4361             KaxSegmentFamily *uid = static_cast<KaxSegmentFamily*>(l);
4362
4363             families.push_back(*uid);
4364
4365             msg_Dbg( &sys.demuxer, "|   |   + family=%d", *(uint32*)uid->GetBuffer() );
4366         }
4367 #if defined( HAVE_GMTIME_R ) && !defined( SYS_DARWIN )
4368         else if( MKV_IS_ID( l, KaxDateUTC ) )
4369         {
4370             KaxDateUTC &date = *(KaxDateUTC*)l;
4371             time_t i_date;
4372             struct tm tmres;
4373             char   buffer[256];
4374
4375             i_date = date.GetEpochDate();
4376             memset( buffer, 0, 256 );
4377             if( gmtime_r( &i_date, &tmres ) &&
4378                 asctime_r( &tmres, buffer ) )
4379             {
4380                 buffer[strlen( buffer)-1]= '\0';
4381                 psz_date_utc = strdup( buffer );
4382                 msg_Dbg( &sys.demuxer, "|   |   + Date=%s", psz_date_utc );
4383             }
4384         }
4385 #endif
4386 #if LIBMATROSKA_VERSION >= 0x000704
4387         else if( MKV_IS_ID( l, KaxChapterTranslate ) )
4388         {
4389             KaxChapterTranslate *p_trans = static_cast<KaxChapterTranslate*>( l );
4390             chapter_translation_c *p_translate = new chapter_translation_c();
4391
4392             p_trans->Read( es, p_trans->Generic().Context, i_upper_level, el, true );
4393             for( j = 0; j < p_trans->ListSize(); j++ )
4394             {
4395                 EbmlElement *l = (*p_trans)[j];
4396
4397                 if( MKV_IS_ID( l, KaxChapterTranslateEditionUID ) )
4398                 {
4399                     p_translate->editions.push_back( uint64( *static_cast<KaxChapterTranslateEditionUID*>( l ) ) );
4400                 }
4401                 else if( MKV_IS_ID( l, KaxChapterTranslateCodec ) )
4402                 {
4403                     p_translate->codec_id = uint32( *static_cast<KaxChapterTranslateCodec*>( l ) );
4404                 }
4405                 else if( MKV_IS_ID( l, KaxChapterTranslateID ) )
4406                 {
4407                     p_translate->p_translated = new KaxChapterTranslateID( *static_cast<KaxChapterTranslateID*>( l ) );
4408                 }
4409             }
4410
4411             translations.push_back( p_translate );
4412         }
4413 #endif
4414         else
4415         {
4416             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4417         }
4418     }
4419
4420     double f_dur = double(i_duration) * double(i_timescale) / 1000000.0;
4421     i_duration = mtime_t(f_dur);
4422 }
4423
4424
4425 /*****************************************************************************
4426  * ParseChapterAtom
4427  *****************************************************************************/
4428 void matroska_segment_c::ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters )
4429 {
4430     size_t i, j;
4431
4432     msg_Dbg( &sys.demuxer, "|   |   |   + ChapterAtom (level=%d)", i_level );
4433     for( i = 0; i < ca->ListSize(); i++ )
4434     {
4435         EbmlElement *l = (*ca)[i];
4436
4437         if( MKV_IS_ID( l, KaxChapterUID ) )
4438         {
4439             chapters.i_uid = uint64_t(*(KaxChapterUID*)l);
4440             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterUID: %lld", chapters.i_uid );
4441         }
4442         else if( MKV_IS_ID( l, KaxChapterFlagHidden ) )
4443         {
4444             KaxChapterFlagHidden &flag =*(KaxChapterFlagHidden*)l;
4445             chapters.b_display_seekpoint = uint8( flag ) == 0;
4446
4447             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterFlagHidden: %s", chapters.b_display_seekpoint ? "no":"yes" );
4448         }
4449         else if( MKV_IS_ID( l, KaxChapterTimeStart ) )
4450         {
4451             KaxChapterTimeStart &start =*(KaxChapterTimeStart*)l;
4452             chapters.i_start_time = uint64( start ) / I64C(1000);
4453
4454             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeStart: %lld", chapters.i_start_time );
4455         }
4456         else if( MKV_IS_ID( l, KaxChapterTimeEnd ) )
4457         {
4458             KaxChapterTimeEnd &end =*(KaxChapterTimeEnd*)l;
4459             chapters.i_end_time = uint64( end ) / I64C(1000);
4460
4461             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeEnd: %lld", chapters.i_end_time );
4462         }
4463         else if( MKV_IS_ID( l, KaxChapterDisplay ) )
4464         {
4465             EbmlMaster *cd = static_cast<EbmlMaster *>(l);
4466
4467             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterDisplay" );
4468             for( j = 0; j < cd->ListSize(); j++ )
4469             {
4470                 EbmlElement *l= (*cd)[j];
4471
4472                 if( MKV_IS_ID( l, KaxChapterString ) )
4473                 {
4474                     int k;
4475
4476                     KaxChapterString &name =*(KaxChapterString*)l;
4477                     for (k = 0; k < i_level; k++)
4478                         chapters.psz_name += '+';
4479                     chapters.psz_name += ' ';
4480                     chapters.psz_name += ToUTF8( UTFstring( name ) );
4481                     chapters.b_user_display = true;
4482
4483                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterString '%s'", ToUTF8(UTFstring(name)) );
4484                 }
4485                 else if( MKV_IS_ID( l, KaxChapterLanguage ) )
4486                 {
4487                     KaxChapterLanguage &lang =*(KaxChapterLanguage*)l;
4488                     const char *psz = string( lang ).c_str();
4489
4490                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterLanguage '%s'", psz );
4491                 }
4492                 else if( MKV_IS_ID( l, KaxChapterCountry ) )
4493                 {
4494                     KaxChapterCountry &ct =*(KaxChapterCountry*)l;
4495                     const char *psz = string( ct ).c_str();
4496
4497                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterCountry '%s'", psz );
4498                 }
4499             }
4500         }
4501         else if( MKV_IS_ID( l, KaxChapterProcess ) )
4502         {
4503             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterProcess" );
4504
4505             KaxChapterProcess *cp = static_cast<KaxChapterProcess *>(l);
4506             chapter_codec_cmds_c *p_ccodec = NULL;
4507
4508             for( j = 0; j < cp->ListSize(); j++ )
4509             {
4510                 EbmlElement *k= (*cp)[j];
4511
4512                 if( MKV_IS_ID( k, KaxChapterProcessCodecID ) )
4513                 {
4514                     KaxChapterProcessCodecID *p_codec_id = static_cast<KaxChapterProcessCodecID*>( k );
4515                     if ( uint32(*p_codec_id) == 0 )
4516                         p_ccodec = new matroska_script_codec_c( sys );
4517                     else if ( uint32(*p_codec_id) == 1 )
4518                         p_ccodec = new dvd_chapter_codec_c( sys );
4519                     break;
4520                 }
4521             }
4522
4523             if ( p_ccodec != NULL )
4524             {
4525                 for( j = 0; j < cp->ListSize(); j++ )
4526                 {
4527                     EbmlElement *k= (*cp)[j];
4528
4529                     if( MKV_IS_ID( k, KaxChapterProcessPrivate ) )
4530                     {
4531                         KaxChapterProcessPrivate * p_private = static_cast<KaxChapterProcessPrivate*>( k );
4532                         p_ccodec->SetPrivate( *p_private );
4533                     }
4534                     else if( MKV_IS_ID( k, KaxChapterProcessCommand ) )
4535                     {
4536                         p_ccodec->AddCommand( *static_cast<KaxChapterProcessCommand*>( k ) );
4537                     }
4538                 }
4539                 chapters.codecs.push_back( p_ccodec );
4540             }
4541         }
4542         else if( MKV_IS_ID( l, KaxChapterAtom ) )
4543         {
4544             chapter_item_c *new_sub_chapter = new chapter_item_c();
4545             ParseChapterAtom( i_level+1, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4546             new_sub_chapter->psz_parent = &chapters;
4547             chapters.sub_chapters.push_back( new_sub_chapter );
4548         }
4549     }
4550 }
4551
4552 /*****************************************************************************
4553  * ParseChapters:
4554  *****************************************************************************/
4555 void matroska_segment_c::ParseChapters( KaxChapters *chapters )
4556 {
4557     EbmlElement *el;
4558     size_t i;
4559     int i_upper_level = 0;
4560     mtime_t i_dur;
4561
4562     /* Master elements */
4563     chapters->Read( es, chapters->Generic().Context, i_upper_level, el, true );
4564
4565     for( i = 0; i < chapters->ListSize(); i++ )
4566     {
4567         EbmlElement *l = (*chapters)[i];
4568
4569         if( MKV_IS_ID( l, KaxEditionEntry ) )
4570         {
4571             chapter_edition_c *p_edition = new chapter_edition_c();
4572
4573             EbmlMaster *E = static_cast<EbmlMaster *>(l );
4574             size_t j;
4575             msg_Dbg( &sys.demuxer, "|   |   + EditionEntry" );
4576             for( j = 0; j < E->ListSize(); j++ )
4577             {
4578                 EbmlElement *l = (*E)[j];
4579
4580                 if( MKV_IS_ID( l, KaxChapterAtom ) )
4581                 {
4582                     chapter_item_c *new_sub_chapter = new chapter_item_c();
4583                     ParseChapterAtom( 0, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4584                     p_edition->sub_chapters.push_back( new_sub_chapter );
4585                 }
4586                 else if( MKV_IS_ID( l, KaxEditionUID ) )
4587                 {
4588                     p_edition->i_uid = uint64(*static_cast<KaxEditionUID *>( l ));
4589                 }
4590                 else if( MKV_IS_ID( l, KaxEditionFlagOrdered ) )
4591                 {
4592                     p_edition->b_ordered = config_GetInt( &sys.demuxer, "mkv-use-ordered-chapters" ) ? (uint8(*static_cast<KaxEditionFlagOrdered *>( l )) != 0) : 0;
4593                 }
4594                 else if( MKV_IS_ID( l, KaxEditionFlagDefault ) )
4595                 {
4596                     if (uint8(*static_cast<KaxEditionFlagDefault *>( l )) != 0)
4597                         i_default_edition = stored_editions.size();
4598                 }
4599                 else
4600                 {
4601                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
4602                 }
4603             }
4604             stored_editions.push_back( p_edition );
4605         }
4606         else
4607         {
4608             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4609         }
4610     }
4611
4612     for( i = 0; i < stored_editions.size(); i++ )
4613     {
4614         stored_editions[i]->RefreshChapters( );
4615     }
4616
4617     if ( stored_editions.size() != 0 && stored_editions[i_default_edition]->b_ordered )
4618     {
4619         /* update the duration of the segment according to the sum of all sub chapters */
4620         i_dur = stored_editions[i_default_edition]->Duration() / I64C(1000);
4621         if (i_dur > 0)
4622             i_duration = i_dur;
4623     }
4624 }
4625
4626 void matroska_segment_c::ParseCluster( )
4627 {
4628     EbmlElement *el;
4629     EbmlMaster  *m;
4630     unsigned int i;
4631     int i_upper_level = 0;
4632
4633     /* Master elements */
4634     m = static_cast<EbmlMaster *>( cluster );
4635     m->Read( es, cluster->Generic().Context, i_upper_level, el, true );
4636
4637     for( i = 0; i < m->ListSize(); i++ )
4638     {
4639         EbmlElement *l = (*m)[i];
4640
4641         if( MKV_IS_ID( l, KaxClusterTimecode ) )
4642         {
4643             KaxClusterTimecode &ctc = *(KaxClusterTimecode*)l;
4644
4645             cluster->InitTimecode( uint64( ctc ), i_timescale );
4646             break;
4647         }
4648     }
4649
4650     i_start_time = cluster->GlobalTimecode() / 1000;
4651 }
4652
4653 /*****************************************************************************
4654  * InformationCreate:
4655  *****************************************************************************/
4656 void matroska_segment_c::InformationCreate( )
4657 {
4658     size_t      i_track;
4659
4660     sys.meta = vlc_meta_New();
4661
4662     if( psz_title )
4663     {
4664         vlc_meta_Add( sys.meta, VLC_META_TITLE, psz_title );
4665     }
4666     if( psz_date_utc )
4667     {
4668         vlc_meta_Add( sys.meta, VLC_META_DATE, psz_date_utc );
4669     }
4670     if( psz_segment_filename )
4671     {
4672         vlc_meta_Add( sys.meta, _("Segment filename"), psz_segment_filename );
4673     }
4674     if( psz_muxing_application )
4675     {
4676         vlc_meta_Add( sys.meta, _("Muxing application"), psz_muxing_application );
4677     }
4678     if( psz_writing_application )
4679     {
4680         vlc_meta_Add( sys.meta, _("Writing application"), psz_writing_application );
4681     }
4682
4683     for( i_track = 0; i_track < tracks.size(); i_track++ )
4684     {
4685         mkv_track_t *tk = tracks[i_track];
4686         vlc_meta_t *mtk = vlc_meta_New();
4687
4688         sys.meta->track = (vlc_meta_t**)realloc( sys.meta->track,
4689                                                     sizeof( vlc_meta_t * ) * ( sys.meta->i_track + 1 ) );
4690         sys.meta->track[sys.meta->i_track++] = mtk;
4691
4692         if( tk->fmt.psz_description )
4693         {
4694             vlc_meta_Add( sys.meta, VLC_META_DESCRIPTION, tk->fmt.psz_description );
4695         }
4696         if( tk->psz_codec_name )
4697         {
4698             vlc_meta_Add( sys.meta, VLC_META_CODEC_NAME, tk->psz_codec_name );
4699         }
4700         if( tk->psz_codec_settings )
4701         {
4702             vlc_meta_Add( sys.meta, VLC_META_SETTING, tk->psz_codec_settings );
4703         }
4704         if( tk->psz_codec_info_url )
4705         {
4706             vlc_meta_Add( sys.meta, VLC_META_CODEC_DESCRIPTION, tk->psz_codec_info_url );
4707         }
4708         if( tk->psz_codec_download_url )
4709         {
4710             vlc_meta_Add( sys.meta, VLC_META_URL, tk->psz_codec_download_url );
4711         }
4712     }
4713
4714     if( i_tags_position >= 0 )
4715     {
4716         vlc_bool_t b_seekable;
4717
4718         stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
4719         if( b_seekable )
4720         {
4721             LoadTags( );
4722         }
4723     }
4724 }
4725
4726
4727 /*****************************************************************************
4728  * Divers
4729  *****************************************************************************/
4730
4731 void matroska_segment_c::IndexAppendCluster( KaxCluster *cluster )
4732 {
4733 #define idx p_indexes[i_index]
4734     idx.i_track       = -1;
4735     idx.i_block_number= -1;
4736     idx.i_position    = cluster->GetElementPosition();
4737     idx.i_time        = -1;
4738     idx.b_key         = VLC_TRUE;
4739
4740     i_index++;
4741     if( i_index >= i_index_max )
4742     {
4743         i_index_max += 1024;
4744         p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
4745     }
4746 #undef idx
4747 }
4748
4749 void chapter_edition_c::RefreshChapters( )
4750 {
4751     chapter_item_c::RefreshChapters( b_ordered, -1 );
4752     b_display_seekpoint = false;
4753 }
4754
4755 int64_t chapter_item_c::RefreshChapters( bool b_ordered, int64_t i_prev_user_time )
4756 {
4757     int64_t i_user_time = i_prev_user_time;
4758
4759     // first the sub-chapters, and then ourself
4760     std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
4761     while ( index != sub_chapters.end() )
4762     {
4763         i_user_time = (*index)->RefreshChapters( b_ordered, i_user_time );
4764         index++;
4765     }
4766
4767     if ( b_ordered )
4768     {
4769         // the ordered chapters always start at zero
4770         if ( i_prev_user_time == -1 )
4771         {
4772             if ( i_user_time == -1 )
4773                 i_user_time = 0;
4774             i_prev_user_time = 0;
4775         }
4776
4777         i_user_start_time = i_prev_user_time;
4778         if ( i_end_time != -1 && i_user_time == i_prev_user_time )
4779         {
4780             i_user_end_time = i_user_start_time - i_start_time + i_end_time;
4781         }
4782         else
4783         {
4784             i_user_end_time = i_user_time;
4785         }
4786     }
4787     else
4788     {
4789         std::sort( sub_chapters.begin(), sub_chapters.end() );
4790         i_user_start_time = i_start_time;
4791         if ( i_end_time != -1 )
4792             i_user_end_time = i_end_time;
4793         else if ( i_user_time != -1 )
4794             i_user_end_time = i_user_time;
4795         else
4796             i_user_end_time = i_user_start_time;
4797     }
4798
4799     return i_user_end_time;
4800 }
4801
4802 mtime_t chapter_edition_c::Duration() const
4803 {
4804     mtime_t i_result = 0;
4805
4806     if ( sub_chapters.size() )
4807     {
4808         std::vector<chapter_item_c*>::const_iterator index = sub_chapters.end();
4809         index--;
4810         i_result = (*index)->i_user_end_time;
4811     }
4812
4813     return i_result;
4814 }
4815
4816 chapter_item_c * chapter_edition_c::FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current )
4817 {
4818     if ( !b_ordered )
4819         p_current = NULL;
4820     bool b_found_current = false;
4821     return chapter_item_c::FindTimecode( i_timecode, p_current, b_found_current );
4822 }
4823
4824 chapter_item_c *chapter_item_c::FindTimecode( mtime_t i_user_timecode, const chapter_item_c * p_current, bool & b_found )
4825 {
4826     chapter_item_c *psz_result = NULL;
4827
4828     if ( p_current == this )
4829         b_found = true;
4830
4831     if ( i_user_timecode >= i_user_start_time &&
4832         ( i_user_timecode < i_user_end_time ||
4833           ( i_user_start_time == i_user_end_time && i_user_timecode == i_user_end_time )))
4834     {
4835         std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
4836         while ( index != sub_chapters.end() && ((p_current == NULL && psz_result == NULL) || (p_current != NULL && (!b_found || psz_result == NULL))))
4837         {
4838             psz_result = (*index)->FindTimecode( i_user_timecode, p_current, b_found );
4839             index++;
4840         }
4841
4842         if ( psz_result == NULL )
4843             psz_result = this;
4844     }
4845
4846     return psz_result;
4847 }
4848
4849 bool chapter_item_c::ParentOf( const chapter_item_c & item ) const
4850 {
4851     if ( &item == this )
4852         return true;
4853
4854     std::vector<chapter_item_c*>::const_iterator index = sub_chapters.begin();
4855     while ( index != sub_chapters.end() )
4856     {
4857         if ( (*index)->ParentOf( item ) )
4858             return true;
4859         index++;
4860     }
4861
4862     return false;
4863 }
4864
4865 void demux_sys_t::PreloadFamily( const matroska_segment_c & of_segment )
4866 {
4867     for (size_t i=0; i<opened_segments.size(); i++)
4868     {
4869         opened_segments[i]->PreloadFamily( of_segment );
4870     }
4871 }
4872 bool matroska_segment_c::PreloadFamily( const matroska_segment_c & of_segment )
4873 {
4874     if ( b_preloaded )
4875         return false;
4876
4877     for (size_t i=0; i<families.size(); i++)
4878     {
4879         for (size_t j=0; j<of_segment.families.size(); j++)
4880         {
4881             if ( families[i] == of_segment.families[j] )
4882                 return Preload( );
4883         }
4884     }
4885
4886     return false;
4887 }
4888
4889 // preload all the linked segments for all preloaded segments
4890 void demux_sys_t::PreloadLinked( matroska_segment_c *p_segment )
4891 {
4892     size_t i_preloaded, i, j;
4893     virtual_segment_c *p_seg;
4894
4895     p_current_segment = VirtualFromSegments( p_segment );
4896
4897     used_segments.push_back( p_current_segment );
4898
4899     // create all the other virtual segments of the family
4900     do {
4901         i_preloaded = 0;
4902         for ( i=0; i< opened_segments.size(); i++ )
4903         {
4904             if ( opened_segments[i]->b_preloaded && !IsUsedSegment( *opened_segments[i] ) )
4905             {
4906                 p_seg = VirtualFromSegments( opened_segments[i] );
4907                 used_segments.push_back( p_seg );
4908                 i_preloaded++;
4909             }
4910         }
4911     } while ( i_preloaded ); // worst case: will stop when all segments are found as family related
4912
4913     // publish all editions of all usable segment
4914     for ( i=0; i< used_segments.size(); i++ )
4915     {
4916         p_seg = used_segments[i];
4917         if ( p_seg->p_editions != NULL )
4918         {
4919             std::string sz_name;
4920             input_title_t *p_title = vlc_input_title_New();
4921             p_seg->i_sys_title = i;
4922             int i_chapters;
4923
4924             // TODO use a name for each edition, let the TITLE deal with a codec name
4925             for ( j=0; j<p_seg->p_editions->size(); j++ )
4926             {
4927                 if ( p_title->psz_name == NULL )
4928                 {
4929                     sz_name = (*p_seg->p_editions)[j]->GetMainName();
4930                     if ( sz_name != "" )
4931                         p_title->psz_name = strdup( sz_name.c_str() );
4932                 }
4933
4934                 chapter_edition_c *p_edition = (*p_seg->p_editions)[j];
4935
4936                 i_chapters = 0;
4937                 p_edition->PublishChapters( *p_title, i_chapters, 0 );
4938             }
4939
4940             // create a name if there is none
4941             if ( p_title->psz_name == NULL )
4942             {
4943                 sz_name = N_("Segment ");
4944                 char psz_str[6];
4945                 sprintf( psz_str, "%d", (int)i );
4946                 sz_name += psz_str;
4947                 p_title->psz_name = strdup( sz_name.c_str() );
4948             }
4949
4950             titles.push_back( p_title );
4951         }
4952     }
4953
4954     // TODO decide which segment should be first used (VMG for DVD)
4955 }
4956
4957 bool demux_sys_t::IsUsedSegment( matroska_segment_c &segment ) const
4958 {
4959     for ( size_t i=0; i< used_segments.size(); i++ )
4960     {
4961         if ( used_segments[i]->FindUID( *segment.p_segment_uid ) )
4962             return true;
4963     }
4964     return false;
4965 }
4966
4967 virtual_segment_c *demux_sys_t::VirtualFromSegments( matroska_segment_c *p_segment ) const
4968 {
4969     size_t i_preloaded, i;
4970
4971     virtual_segment_c *p_result = new virtual_segment_c( p_segment );
4972
4973     // fill our current virtual segment with all hard linked segments
4974     do {
4975         i_preloaded = 0;
4976         for ( i=0; i< opened_segments.size(); i++ )
4977         {
4978             i_preloaded += p_result->AddSegment( opened_segments[i] );
4979         }
4980     } while ( i_preloaded ); // worst case: will stop when all segments are found as linked
4981
4982     p_result->Sort( );
4983
4984     p_result->PreloadLinked( );
4985
4986     p_result->PrepareChapters( );
4987
4988     return p_result;
4989 }
4990
4991 bool demux_sys_t::PreparePlayback( virtual_segment_c *p_new_segment )
4992 {
4993     if ( p_new_segment != NULL && p_new_segment != p_current_segment )
4994     {
4995         if ( p_current_segment != NULL && p_current_segment->Segment() != NULL )
4996             p_current_segment->Segment()->UnSelect();
4997
4998         p_current_segment = p_new_segment;
4999         i_current_title = p_new_segment->i_sys_title;
5000     }
5001
5002     p_current_segment->LoadCues();
5003     f_duration = p_current_segment->Duration();
5004
5005     /* add information */
5006     p_current_segment->Segment()->InformationCreate( );
5007
5008     p_current_segment->Segment()->Select( 0 );
5009
5010     return true;
5011 }
5012
5013 void demux_sys_t::JumpTo( virtual_segment_c & vsegment, chapter_item_c * p_chapter )
5014 {
5015     // if the segment is not part of the current segment, select the new one
5016     if ( &vsegment != p_current_segment )
5017     {
5018         PreparePlayback( &vsegment );
5019     }
5020
5021     if ( p_chapter != NULL )
5022     {
5023         if ( !p_chapter->Enter( true ) )
5024         {
5025             // jump to the location in the found segment
5026             vsegment.Seek( demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5027         }
5028     }
5029
5030 }
5031
5032 bool matroska_segment_c::CompareSegmentUIDs( const matroska_segment_c * p_item_a, const matroska_segment_c * p_item_b )
5033 {
5034     if ( p_item_a == NULL || p_item_b == NULL )
5035         return false;
5036
5037     EbmlBinary * p_itema = (EbmlBinary *)(p_item_a->p_segment_uid);
5038     if ( p_item_b->p_prev_segment_uid != NULL && *p_itema == *p_item_b->p_prev_segment_uid )
5039         return true;
5040
5041     p_itema = (EbmlBinary *)(&p_item_a->p_next_segment_uid);
5042     if ( p_item_b->p_segment_uid != NULL && *p_itema == *p_item_b->p_segment_uid )
5043         return true;
5044
5045     if ( p_item_b->p_prev_segment_uid != NULL && *p_itema == *p_item_b->p_prev_segment_uid )
5046         return true;
5047
5048     return false;
5049 }
5050
5051 bool matroska_segment_c::Preload( )
5052 {
5053     if ( b_preloaded )
5054         return false;
5055
5056     EbmlElement *el = NULL;
5057
5058     ep->Reset( &sys.demuxer );
5059
5060     while( ( el = ep->Get() ) != NULL )
5061     {
5062         if( MKV_IS_ID( el, KaxInfo ) )
5063         {
5064             ParseInfo( static_cast<KaxInfo*>( el ) );
5065         }
5066         else if( MKV_IS_ID( el, KaxTracks ) )
5067         {
5068             ParseTracks( static_cast<KaxTracks*>( el ) );
5069         }
5070         else if( MKV_IS_ID( el, KaxSeekHead ) )
5071         {
5072             ParseSeekHead( static_cast<KaxSeekHead*>( el ) );
5073         }
5074         else if( MKV_IS_ID( el, KaxCues ) )
5075         {
5076             msg_Dbg( &sys.demuxer, "|   + Cues" );
5077         }
5078         else if( MKV_IS_ID( el, KaxCluster ) )
5079         {
5080             msg_Dbg( &sys.demuxer, "|   + Cluster" );
5081
5082             cluster = (KaxCluster*)el;
5083
5084             i_cluster_pos = i_start_pos = cluster->GetElementPosition();
5085             ParseCluster( );
5086
5087             ep->Down();
5088             /* stop parsing the stream */
5089             break;
5090         }
5091         else if( MKV_IS_ID( el, KaxAttachments ) )
5092         {
5093             msg_Dbg( &sys.demuxer, "|   + Attachments FIXME (but probably never supported)" );
5094         }
5095         else if( MKV_IS_ID( el, KaxChapters ) )
5096         {
5097             msg_Dbg( &sys.demuxer, "|   + Chapters" );
5098             ParseChapters( static_cast<KaxChapters*>( el ) );
5099         }
5100         else if( MKV_IS_ID( el, KaxTag ) )
5101         {
5102             msg_Dbg( &sys.demuxer, "|   + Tags FIXME TODO" );
5103         }
5104         else
5105         {
5106             msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid(*el).name() );
5107         }
5108     }
5109
5110     b_preloaded = true;
5111
5112     return true;
5113 }
5114
5115 matroska_segment_c *demux_sys_t::FindSegment( const EbmlBinary & uid ) const
5116 {
5117     for (size_t i=0; i<opened_segments.size(); i++)
5118     {
5119         if ( *opened_segments[i]->p_segment_uid == uid )
5120             return opened_segments[i];
5121     }
5122     return NULL;
5123 }
5124
5125 chapter_item_c *demux_sys_t::BrowseCodecPrivate( unsigned int codec_id,
5126                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
5127                                         const void *p_cookie,
5128                                         size_t i_cookie_size,
5129                                         virtual_segment_c * &p_segment_found )
5130 {
5131     chapter_item_c *p_result = NULL;
5132     for (size_t i=0; i<used_segments.size(); i++)
5133     {
5134         p_result = used_segments[i]->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
5135         if ( p_result != NULL )
5136         {
5137             p_segment_found = used_segments[i];
5138             break;
5139         }
5140     }
5141     return p_result;
5142 }
5143
5144 chapter_item_c *demux_sys_t::FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found )
5145 {
5146     chapter_item_c *p_result = NULL;
5147     for (size_t i=0; i<used_segments.size(); i++)
5148     {
5149         p_result = used_segments[i]->FindChapter( i_find_uid );
5150         if ( p_result != NULL )
5151         {
5152             p_segment_found = used_segments[i];
5153             break;
5154         }
5155     }
5156     return p_result;
5157 }
5158
5159 void virtual_segment_c::Sort()
5160 {
5161     // keep the current segment index
5162     matroska_segment_c *p_segment = linked_segments[i_current_segment];
5163
5164     std::sort( linked_segments.begin(), linked_segments.end(), matroska_segment_c::CompareSegmentUIDs );
5165
5166     for ( i_current_segment=0; i_current_segment<linked_segments.size(); i_current_segment++)
5167         if ( linked_segments[i_current_segment] == p_segment )
5168             break;
5169 }
5170
5171 size_t virtual_segment_c::AddSegment( matroska_segment_c *p_segment )
5172 {
5173     size_t i;
5174     // check if it's not already in here
5175     for ( i=0; i<linked_segments.size(); i++ )
5176     {
5177         if ( *p_segment->p_segment_uid == *linked_segments[i]->p_segment_uid )
5178             return 0;
5179     }
5180
5181     // find possible mates
5182     for ( i=0; i<linked_uids.size(); i++ )
5183     {
5184         if (   (p_segment->p_segment_uid != NULL && *p_segment->p_segment_uid == linked_uids[i])
5185             || (p_segment->p_prev_segment_uid != NULL && *p_segment->p_prev_segment_uid == linked_uids[i])
5186             || (p_segment->p_next_segment_uid !=NULL && *p_segment->p_next_segment_uid == linked_uids[i]) )
5187         {
5188             linked_segments.push_back( p_segment );
5189
5190             AppendUID( p_segment->p_prev_segment_uid );
5191             AppendUID( p_segment->p_next_segment_uid );
5192
5193             return 1;
5194         }
5195     }
5196     return 0;
5197 }
5198
5199 void virtual_segment_c::PreloadLinked( )
5200 {
5201     for ( size_t i=0; i<linked_segments.size(); i++ )
5202     {
5203         linked_segments[i]->Preload( );
5204     }
5205     i_current_edition = linked_segments[0]->i_default_edition;
5206 }
5207
5208 mtime_t virtual_segment_c::Duration() const
5209 {
5210     mtime_t i_duration;
5211     if ( linked_segments.size() == 0 )
5212         i_duration = 0;
5213     else {
5214         matroska_segment_c *p_last_segment = linked_segments[linked_segments.size()-1];
5215 //        p_last_segment->ParseCluster( );
5216
5217         i_duration = p_last_segment->i_start_time / 1000 + p_last_segment->i_duration;
5218     }
5219     return i_duration;
5220 }
5221
5222 void virtual_segment_c::LoadCues( )
5223 {
5224     for ( size_t i=0; i<linked_segments.size(); i++ )
5225     {
5226         linked_segments[i]->LoadCues();
5227     }
5228 }
5229
5230 void virtual_segment_c::AppendUID( const EbmlBinary * p_UID )
5231 {
5232     if ( p_UID == NULL )
5233         return;
5234     if ( p_UID->GetBuffer() == NULL )
5235         return;
5236
5237     for (size_t i=0; i<linked_uids.size(); i++)
5238     {
5239         if ( *p_UID == linked_uids[i] )
5240             return;
5241     }
5242     linked_uids.push_back( *(KaxSegmentUID*)(p_UID) );
5243 }
5244
5245 void matroska_segment_c::Seek( mtime_t i_date, mtime_t i_time_offset )
5246 {
5247     KaxBlock    *block;
5248     int         i_track_skipping;
5249     int64_t     i_block_duration;
5250     int64_t     i_block_ref1;
5251     int64_t     i_block_ref2;
5252     size_t      i_track;
5253     int64_t     i_seek_position = i_start_pos;
5254     int64_t     i_seek_time = i_start_time;
5255
5256     if ( i_index > 0 )
5257     {
5258         int i_idx = 0;
5259
5260         for( ; i_idx < i_index; i_idx++ )
5261         {
5262             if( p_indexes[i_idx].i_time + i_time_offset > i_date )
5263             {
5264                 break;
5265             }
5266         }
5267
5268         if( i_idx > 0 )
5269         {
5270             i_idx--;
5271         }
5272
5273         i_seek_position = p_indexes[i_idx].i_position;
5274         i_seek_time = p_indexes[i_idx].i_time;
5275     }
5276
5277     msg_Dbg( &sys.demuxer, "seek got "I64Fd" (%d%%)",
5278                 i_seek_time, (int)( 100 * i_seek_position / stream_Size( sys.demuxer.s ) ) );
5279
5280     es.I_O().setFilePointer( i_seek_position, seek_beginning );
5281
5282     delete ep;
5283     ep = new EbmlParser( &es, segment, &sys.demuxer );
5284     cluster = NULL;
5285
5286     sys.i_start_pts = i_date;
5287
5288     es_out_Control( sys.demuxer.out, ES_OUT_RESET_PCR );
5289
5290     /* now parse until key frame */
5291     i_track_skipping = 0;
5292     for( i_track = 0; i_track < tracks.size(); i_track++ )
5293     {
5294         if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5295         {
5296             tracks[i_track]->b_search_keyframe = VLC_TRUE;
5297             i_track_skipping++;
5298         }
5299         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_date );
5300     }
5301
5302
5303     while( i_track_skipping > 0 )
5304     {
5305         if( BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
5306         {
5307             msg_Warn( &sys.demuxer, "cannot get block EOF?" );
5308
5309             return;
5310         }
5311         ep->Down();
5312
5313         for( i_track = 0; i_track < tracks.size(); i_track++ )
5314         {
5315             if( tracks[i_track]->i_number == block->TrackNum() )
5316             {
5317                 break;
5318             }
5319         }
5320
5321         sys.i_last_dts = sys.i_pts = (sys.i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
5322
5323         if( i_track < tracks.size() )
5324         {
5325            if( sys.i_pts >= sys.i_start_pts )
5326             {
5327                 cluster = static_cast<KaxCluster*>(ep->UnGet( i_block_pos, i_cluster_pos ));
5328                 i_track_skipping = 0;
5329             }
5330             else if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5331             {
5332                 if( i_block_ref1 == 0 && tracks[i_track]->b_search_keyframe )
5333                 {
5334                     tracks[i_track]->b_search_keyframe = VLC_FALSE;
5335                     i_track_skipping--;
5336                 }
5337                 if( !tracks[i_track]->b_search_keyframe )
5338                 {
5339                     BlockDecode( &sys.demuxer, block, sys.i_pts, 0 );
5340                 }
5341             }
5342         }
5343
5344         delete block;
5345     }
5346 }
5347
5348 void virtual_segment_c::Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter )
5349 {
5350     demux_sys_t *p_sys = demuxer.p_sys;
5351     size_t i;
5352
5353     // find the actual time for an ordered edition
5354     if ( psz_chapter == NULL )
5355     {
5356         if ( Edition() && Edition()->b_ordered )
5357         {
5358             /* 1st, we need to know in which chapter we are */
5359             psz_chapter = (*p_editions)[i_current_edition]->FindTimecode( i_date, psz_current_chapter );
5360         }
5361     }
5362
5363     if ( psz_chapter != NULL )
5364     {
5365         psz_current_chapter = psz_chapter;
5366         p_sys->i_chapter_time = i_time_offset = psz_chapter->i_user_start_time - psz_chapter->i_start_time;
5367         if ( psz_chapter->i_seekpoint_num > 0 )
5368         {
5369             demuxer.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
5370             demuxer.info.i_title = p_sys->i_current_title = i_sys_title;
5371             demuxer.info.i_seekpoint = psz_chapter->i_seekpoint_num - 1;
5372         }
5373     }
5374
5375     // find the best matching segment
5376     for ( i=0; i<linked_segments.size(); i++ )
5377     {
5378         if ( i_date < linked_segments[i]->i_start_time )
5379             break;
5380     }
5381
5382     if ( i > 0 )
5383         i--;
5384
5385     if ( i_current_segment != i  )
5386     {
5387         linked_segments[i_current_segment]->UnSelect();
5388         linked_segments[i]->Select( i_date );
5389         i_current_segment = i;
5390     }
5391
5392     linked_segments[i]->Seek( i_date, i_time_offset );
5393 }
5394
5395 void chapter_codec_cmds_c::AddCommand( const KaxChapterProcessCommand & command )
5396 {
5397     size_t i;
5398
5399     uint32 codec_time = uint32(-1);
5400     for( i = 0; i < command.ListSize(); i++ )
5401     {
5402         const EbmlElement *k = command[i];
5403
5404         if( MKV_IS_ID( k, KaxChapterProcessTime ) )
5405         {
5406             codec_time = uint32( *static_cast<const KaxChapterProcessTime*>( k ) );
5407             break;
5408         }
5409     }
5410
5411     for( i = 0; i < command.ListSize(); i++ )
5412     {
5413         const EbmlElement *k = command[i];
5414
5415         if( MKV_IS_ID( k, KaxChapterProcessData ) )
5416         {
5417             KaxChapterProcessData *p_data =  new KaxChapterProcessData( *static_cast<const KaxChapterProcessData*>( k ) );
5418             switch ( codec_time )
5419             {
5420             case 0:
5421                 during_cmds.push_back( p_data );
5422                 break;
5423             case 1:
5424                 enter_cmds.push_back( p_data );
5425                 break;
5426             case 2:
5427                 leave_cmds.push_back( p_data );
5428                 break;
5429             default:
5430                 delete p_data;
5431             }
5432         }
5433     }
5434 }
5435
5436 bool chapter_item_c::Enter( bool b_do_subs )
5437 {
5438     bool f_result = false;
5439     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5440     while ( index != codecs.end() )
5441     {
5442         f_result |= (*index)->Enter();
5443         index++;
5444     }
5445
5446     if ( b_do_subs )
5447     {
5448         // sub chapters
5449         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5450         while ( index_ != sub_chapters.end() )
5451         {
5452             f_result |= (*index_)->Enter( true );
5453             index_++;
5454         }
5455     }
5456     return f_result;
5457 }
5458
5459 bool chapter_item_c::Leave( bool b_do_subs )
5460 {
5461     bool f_result = false;
5462     b_is_leaving = true;
5463     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5464     while ( index != codecs.end() )
5465     {
5466         f_result |= (*index)->Leave();
5467         index++;
5468     }
5469
5470     if ( b_do_subs )
5471     {
5472         // sub chapters
5473         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5474         while ( index_ != sub_chapters.end() )
5475         {
5476             f_result |= (*index_)->Leave( true );
5477             index_++;
5478         }
5479     }
5480     b_is_leaving = false;
5481     return f_result;
5482 }
5483
5484 bool chapter_item_c::EnterAndLeave( chapter_item_c *p_item, bool b_final_enter )
5485 {
5486     chapter_item_c *p_common_parent = p_item;
5487
5488     // leave, up to a common parent
5489     while ( p_common_parent != NULL && !p_common_parent->ParentOf( *this ) )
5490     {
5491         if ( !p_common_parent->b_is_leaving && p_common_parent->Leave( false ) )
5492             return true;
5493         p_common_parent = p_common_parent->psz_parent;
5494     }
5495
5496     // enter from the parent to <this>
5497     if ( p_common_parent != NULL )
5498     {
5499         do
5500         {
5501             if ( p_common_parent == this )
5502                 return Enter( true );
5503
5504             for ( size_t i = 0; i<p_common_parent->sub_chapters.size(); i++ )
5505             {
5506                 if ( p_common_parent->sub_chapters[i]->ParentOf( *this ) )
5507                 {
5508                     p_common_parent = p_common_parent->sub_chapters[i];
5509                     if ( p_common_parent != this )
5510                         if ( p_common_parent->Enter( false ) )
5511                             return true;
5512
5513                     break;
5514                 }
5515             }
5516         } while ( 1 );
5517     }
5518
5519     if ( b_final_enter )
5520         return Enter( true );
5521     else
5522         return false;
5523 }
5524
5525 bool dvd_chapter_codec_c::Enter()
5526 {
5527     bool f_result = false;
5528     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
5529     while ( index != enter_cmds.end() )
5530     {
5531         if ( (*index)->GetSize() )
5532         {
5533             binary *p_data = (*index)->GetBuffer();
5534             size_t i_size = *p_data++;
5535             // avoid reading too much from the buffer
5536             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
5537             for ( ; i_size > 0; i_size--, p_data += 8 )
5538             {
5539                 msg_Dbg( &sys.demuxer, "Matroska DVD enter command" );
5540                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5541             }
5542         }
5543         index++;
5544     }
5545     return f_result;
5546 }
5547
5548 bool dvd_chapter_codec_c::Leave()
5549 {
5550     bool f_result = false;
5551     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
5552     while ( index != leave_cmds.end() )
5553     {
5554         if ( (*index)->GetSize() )
5555         {
5556             binary *p_data = (*index)->GetBuffer();
5557             size_t i_size = *p_data++;
5558             // avoid reading too much from the buffer
5559             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
5560             for ( ; i_size > 0; i_size--, p_data += 8 )
5561             {
5562                 msg_Dbg( &sys.demuxer, "Matroska DVD leave command" );
5563                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5564             }
5565         }
5566         index++;
5567     }
5568     return f_result;
5569 }
5570
5571 // see http://www.dvd-replica.com/DVD/vmcmdset.php for a description of DVD commands
5572 bool dvd_command_interpretor_c::Interpret( const binary * p_command, size_t i_size )
5573 {
5574     if ( i_size != 8 )
5575         return false;
5576
5577     virtual_segment_c *p_segment;
5578     chapter_item_c *p_chapter;
5579     bool f_result = false;
5580     uint16 i_command = ( p_command[0] << 8 ) + p_command[1];
5581
5582     // handle register tests if there are some
5583     if ( (i_command & 0xF0) != 0 )
5584     {
5585         bool b_test_positive = true;//(i_command & CMD_DVD_IF_NOT) == 0;
5586         bool b_test_value    = (i_command & CMD_DVD_TEST_VALUE) != 0;
5587         uint8 i_test = i_command & 0x70;
5588         uint16 i_value;
5589
5590         // see http://dvd.sourceforge.net/dvdinfo/vmi.html
5591         uint8  i_cr1;
5592         uint16 i_cr2;
5593         switch ( i_command >> 12 )
5594         {
5595         default:
5596             i_cr1 = p_command[3];
5597             i_cr2 = (p_command[4] << 8) + p_command[5];
5598             break;
5599         case 3:
5600         case 4:
5601         case 5:
5602             i_cr1 = p_command[6];
5603             i_cr2 = p_command[7];
5604             b_test_value = false;
5605             break;
5606         case 6:
5607         case 7:
5608             if ( ((p_command[1] >> 4) & 0x7) == 0)
5609             {
5610                 i_cr1 = p_command[2];
5611                 i_cr2 = (p_command[6] << 8) + p_command[7];
5612             }
5613             else
5614             {
5615                 i_cr1 = p_command[2];
5616                 i_cr2 = (p_command[6] << 8) + p_command[7];
5617             }
5618             break;
5619         }
5620
5621         if ( b_test_value )
5622             i_value = i_cr2;
5623         else
5624             i_value = GetPRM( i_cr2 );
5625
5626         switch ( i_test )
5627         {
5628         case CMD_DVD_IF_GPREG_EQUAL:
5629             // if equals
5630             msg_Dbg( &sys.demuxer, "IF %s EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5631             if (!( GetPRM( i_cr1 ) == i_value ))
5632             {
5633                 b_test_positive = false;
5634             }
5635             break;
5636         case CMD_DVD_IF_GPREG_NOT_EQUAL:
5637             // if not equals
5638             msg_Dbg( &sys.demuxer, "IF %s NOT EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5639             if (!( GetPRM( i_cr1 ) != i_value ))
5640             {
5641                 b_test_positive = false;
5642             }
5643             break;
5644         case CMD_DVD_IF_GPREG_INF:
5645             // if inferior
5646             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5647             if (!( GetPRM( i_cr1 ) < i_value ))
5648             {
5649                 b_test_positive = false;
5650             }
5651             break;
5652         case CMD_DVD_IF_GPREG_INF_EQUAL:
5653             // if inferior or equal
5654             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5655             if (!( GetPRM( i_cr1 ) <= i_value ))
5656             {
5657                 b_test_positive = false;
5658             }
5659             break;
5660         case CMD_DVD_IF_GPREG_AND:
5661             // if logical and
5662             msg_Dbg( &sys.demuxer, "IF %s & %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5663             if (!( GetPRM( i_cr1 ) & i_value ))
5664             {
5665                 b_test_positive = false;
5666             }
5667             break;
5668         case CMD_DVD_IF_GPREG_SUP:
5669             // if superior
5670             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5671             if (!( GetPRM( i_cr1 ) > i_value ))
5672             {
5673                 b_test_positive = false;
5674             }
5675             break;
5676         case CMD_DVD_IF_GPREG_SUP_EQUAL:
5677             // if superior or equal
5678             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5679             if (!( GetPRM( i_cr1 ) >= i_value ))
5680             {
5681                 b_test_positive = false;
5682             }
5683             break;
5684         }
5685
5686         if ( !b_test_positive )
5687             return false;
5688     }
5689
5690     // strip the test command
5691     i_command &= 0xFF0F;
5692
5693     switch ( i_command )
5694     {
5695     case CMD_DVD_NOP:
5696     case CMD_DVD_NOP2:
5697         {
5698             msg_Dbg( &sys.demuxer, "NOP" );
5699             break;
5700         }
5701     case CMD_DVD_BREAK:
5702         {
5703             msg_Dbg( &sys.demuxer, "Break" );
5704             // TODO
5705             break;
5706         }
5707     case CMD_DVD_JUMP_TT:
5708         {
5709             uint8 i_title = p_command[5];
5710             msg_Dbg( &sys.demuxer, "JumpTT %d", i_title );
5711
5712             // find in the ChapProcessPrivate matching this Title level
5713             p_chapter = sys.BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title), p_segment );
5714             if ( p_segment != NULL )
5715             {
5716                 sys.JumpTo( *p_segment, p_chapter );
5717                 f_result = true;
5718             }
5719
5720             break;
5721         }
5722     case CMD_DVD_CALLSS_VTSM1:
5723         {
5724             msg_Dbg( &sys.demuxer, "CallSS" );
5725             binary p_type;
5726             switch( (p_command[6] & 0xC0) >> 6 ) {
5727                 case 0:
5728                     p_type = p_command[5] & 0x0F;
5729                     switch ( p_type )
5730                     {
5731                     case 0x00:
5732                         msg_Dbg( &sys.demuxer, "CallSS PGC (rsm_cell %x)", p_command[4]);
5733                         break;
5734                     case 0x02:
5735                         msg_Dbg( &sys.demuxer, "CallSS Title Entry (rsm_cell %x)", p_command[4]);
5736                         break;
5737                     case 0x03:
5738                         msg_Dbg( &sys.demuxer, "CallSS Root Menu (rsm_cell %x)", p_command[4]);
5739                         break;
5740                     case 0x04:
5741                         msg_Dbg( &sys.demuxer, "CallSS Subpicture Menu (rsm_cell %x)", p_command[4]);
5742                         break;
5743                     case 0x05:
5744                         msg_Dbg( &sys.demuxer, "CallSS Audio Menu (rsm_cell %x)", p_command[4]);
5745                         break;
5746                     case 0x06:
5747                         msg_Dbg( &sys.demuxer, "CallSS Angle Menu (rsm_cell %x)", p_command[4]);
5748                         break;
5749                     case 0x07:
5750                         msg_Dbg( &sys.demuxer, "CallSS Chapter Menu (rsm_cell %x)", p_command[4]);
5751                         break;
5752                     default:
5753                         msg_Dbg( &sys.demuxer, "CallSS <unknown> (rsm_cell %x)", p_command[4]);
5754                         break;
5755                     }
5756                     p_chapter = sys.BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1, p_segment );
5757                     if ( p_segment != NULL )
5758                     {
5759                         sys.JumpTo( *p_segment, p_chapter );
5760                         f_result = true;
5761                     }
5762                 break;
5763                 case 1:
5764                     msg_Dbg( &sys.demuxer, "CallSS VMGM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
5765                 break;
5766                 case 2:
5767                     msg_Dbg( &sys.demuxer, "CallSS VTSM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
5768                 break;
5769                 case 3:
5770                     msg_Dbg( &sys.demuxer, "CallSS VMGM (pgc %d, rsm_cell %x)", (p_command[2] << 8) + p_command[3], p_command[4]);
5771                 break;
5772             }
5773             break;
5774         }
5775     case CMD_DVD_JUMP_SS:
5776         {
5777             msg_Dbg( &sys.demuxer, "JumpSS");
5778             binary p_type;
5779             switch( (p_command[5] & 0xC0) >> 6 ) {
5780                 case 0:
5781                     msg_Dbg( &sys.demuxer, "JumpSS FP");
5782                 break;
5783                 case 1:
5784                     p_type = p_command[5] & 0x0F;
5785                     switch ( p_type )
5786                     {
5787                     case 0x02:
5788                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Title Entry");
5789                         break;
5790                     case 0x03:
5791                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Root Menu");
5792                         break;
5793                     case 0x04:
5794                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Subpicture Menu");
5795                         break;
5796                     case 0x05:
5797                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Audio Menu");
5798                         break;
5799                     case 0x06:
5800                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Angle Menu");
5801                         break;
5802                     case 0x07:
5803                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Chapter Menu");
5804                         break;
5805                     default:
5806                         msg_Dbg( &sys.demuxer, "JumpSS <unknown>");
5807                         break;
5808                     }
5809                     // find the VMG
5810                     p_chapter = sys.BrowseCodecPrivate( 1, MatchIsVMG, NULL, 0, p_segment );
5811                     if ( p_segment != NULL )
5812                     {
5813                         p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
5814                         if ( p_chapter != NULL )
5815                         {
5816                             sys.JumpTo( *p_segment, p_chapter );
5817                             f_result = true;
5818                         }
5819                     }
5820                 break;
5821                 case 2:
5822                     p_type = p_command[5] & 0x0F;
5823                     switch ( p_type )
5824                     {
5825                     case 0x02:
5826                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Title Entry", p_command[4], p_command[3]);
5827                         break;
5828                     case 0x03:
5829                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Root Menu", p_command[4], p_command[3]);
5830                         break;
5831                     case 0x04:
5832                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Subpicture Menu", p_command[4], p_command[3]);
5833                         break;
5834                     case 0x05:
5835                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Audio Menu", p_command[4], p_command[3]);
5836                         break;
5837                     case 0x06:
5838                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Angle Menu", p_command[4], p_command[3]);
5839                         break;
5840                     case 0x07:
5841                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Chapter Menu", p_command[4], p_command[3]);
5842                         break;
5843                     default:
5844                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) <unknown>", p_command[4], p_command[3]);
5845                         break;
5846                     }
5847
5848                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSMNumber, &p_command[4], 1, p_segment );
5849
5850                     if ( p_segment != NULL && p_chapter != NULL )
5851                     {
5852                         // find the title in the VTS
5853                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &p_command[3], 1 );
5854                         if ( p_chapter != NULL )
5855                         {
5856                             // find the specified menu in the VTSM
5857                             p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
5858                             if ( p_chapter != NULL )
5859                             {
5860                                 sys.JumpTo( *p_segment, p_chapter );
5861                                 f_result = true;
5862                             }
5863                         }
5864                         else
5865                             msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", p_command[3] );
5866                     }
5867                     else
5868                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", p_command[4] );
5869                 break;
5870                 case 3:
5871                     msg_Dbg( &sys.demuxer, "JumpSS VMGM (pgc %d)", (p_command[2] << 8) + p_command[3]);
5872                 break;
5873             }
5874             break;
5875         }
5876     case CMD_DVD_JUMPVTS_PTT:
5877         {
5878             uint8 i_title = p_command[5];
5879             uint8 i_ptt = p_command[3];
5880
5881             msg_Dbg( &sys.demuxer, "JumpVTS Title (%d) PTT (%d)", i_title, i_ptt);
5882
5883             // find the current VTS content segment
5884             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchIsDomain, NULL, 0 );
5885             if ( p_chapter != NULL )
5886             {
5887                 int16 i_curr_title = p_chapter->GetTitleNumber( );
5888                 if ( i_curr_title > 0 )
5889                 {
5890                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSNumber, &i_curr_title, sizeof(i_curr_title), p_segment );
5891
5892                     if ( p_segment != NULL && p_chapter != NULL )
5893                     {
5894                         // find the title in the VTS
5895                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title) );
5896                         if ( p_chapter != NULL )
5897                         {
5898                             // find the chapter in the title
5899                             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchChapterNumber, &i_ptt, sizeof(i_ptt) );
5900                             if ( p_chapter != NULL )
5901                             {
5902                                 sys.JumpTo( *p_segment, p_chapter );
5903                                 f_result = true;
5904                             }
5905                         }
5906                     else
5907                         msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", i_title );
5908                     }
5909                     else
5910                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", i_curr_title );
5911                 }
5912                 else
5913                     msg_Dbg( &sys.demuxer, "JumpVTS_PTT command found but not in a VTS(M)");
5914             }
5915             else
5916                 msg_Dbg( &sys.demuxer, "JumpVTS_PTT command but the DVD domain wasn't found");
5917             break;
5918         }
5919     case CMD_DVD_SET_GPRMMD:
5920         {
5921             msg_Dbg( &sys.demuxer, "Set GPRMMD [%d]=%d", (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3]);
5922
5923             if ( !SetGPRM( (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3] ) )
5924                 msg_Dbg( &sys.demuxer, "Set GPRMMD failed" );
5925             break;
5926         }
5927     case CMD_DVD_LINKPGCN:
5928         {
5929             uint16 i_pgcn = (p_command[6] << 8) + p_command[7];
5930
5931             msg_Dbg( &sys.demuxer, "Link PGCN(%d)", i_pgcn );
5932             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchPgcNumber, &i_pgcn, 2 );
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_LINKCN:
5944         {
5945             uint8 i_cn = p_command[7];
5946
5947             p_chapter = sys.p_current_segment->CurrentChapter();
5948
5949             msg_Dbg( &sys.demuxer, "LinkCN (cell %d)", i_cn );
5950             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchCellNumber, &i_cn, 1 );
5951             if ( p_chapter != NULL )
5952             {
5953                 if ( !p_chapter->Enter( true ) )
5954                     // jump to the location in the found segment
5955                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5956
5957                 f_result = true;
5958             }
5959             break;
5960         }
5961     case CMD_DVD_GOTO_LINE:
5962         {
5963             msg_Dbg( &sys.demuxer, "GotoLine (%d)", (p_command[6] << 8) + p_command[7] );
5964             // TODO
5965             break;
5966         }
5967     case CMD_DVD_SET_HL_BTNN1:
5968         {
5969             msg_Dbg( &sys.demuxer, "SetHL_BTN (%d)", p_command[4] );
5970             SetSPRM( 0x88, p_command[4] );
5971             break;
5972         }
5973     default:
5974         {
5975             msg_Dbg( &sys.demuxer, "unsupported command : %02X %02X %02X %02X %02X %02X %02X %02X"
5976                      ,p_command[0]
5977                      ,p_command[1]
5978                      ,p_command[2]
5979                      ,p_command[3]
5980                      ,p_command[4]
5981                      ,p_command[5]
5982                      ,p_command[6]
5983                      ,p_command[7]);
5984             break;
5985         }
5986     }
5987
5988     return f_result;
5989 }
5990
5991 bool dvd_command_interpretor_c::MatchIsDomain( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5992 {
5993     return ( data.p_private_data != NULL && data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS );
5994 }
5995
5996 bool dvd_command_interpretor_c::MatchIsVMG( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5997 {
5998     if ( data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
5999         return false;
6000
6001     return ( data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS && data.p_private_data->GetBuffer()[1] == 0xC0);
6002 }
6003
6004 bool dvd_command_interpretor_c::MatchVTSNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6005 {
6006     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6007         return false;
6008
6009     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x80 )
6010         return false;
6011
6012     uint16 i_gtitle = (data.p_private_data->GetBuffer()[2] << 8 ) + data.p_private_data->GetBuffer()[3];
6013     uint16 i_title = *(uint16*)p_cookie;
6014
6015     return (i_gtitle == i_title);
6016 }
6017
6018 bool dvd_command_interpretor_c::MatchVTSMNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6019 {
6020     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6021         return false;
6022
6023     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x40 )
6024         return false;
6025
6026     uint8 i_gtitle = data.p_private_data->GetBuffer()[3];
6027     uint8 i_title = *(uint8*)p_cookie;
6028
6029     return (i_gtitle == i_title);
6030 }
6031
6032 bool dvd_command_interpretor_c::MatchTitleNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6033 {
6034     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6035         return false;
6036
6037     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_TT )
6038         return false;
6039
6040     uint16 i_gtitle = (data.p_private_data->GetBuffer()[1] << 8 ) + data.p_private_data->GetBuffer()[2];
6041     uint8 i_title = *(uint8*)p_cookie;
6042
6043     return (i_gtitle == i_title);
6044 }
6045
6046 bool dvd_command_interpretor_c::MatchPgcType( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6047 {
6048     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6049         return false;
6050
6051     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6052         return false;
6053
6054     uint8 i_pgc_type = data.p_private_data->GetBuffer()[3] & 0x0F;
6055     uint8 i_pgc = *(uint8*)p_cookie;
6056
6057     return (i_pgc_type == i_pgc);
6058 }
6059
6060 bool dvd_command_interpretor_c::MatchPgcNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6061 {
6062     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6063         return false;
6064
6065     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6066         return false;
6067
6068     uint16 *i_pgc_n = (uint16 *)p_cookie;
6069     uint16 i_pgc_num = (data.p_private_data->GetBuffer()[1] << 8) + data.p_private_data->GetBuffer()[2];
6070
6071     return (i_pgc_num == *i_pgc_n);
6072 }
6073
6074 bool dvd_command_interpretor_c::MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6075 {
6076     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
6077         return false;
6078
6079     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PTT )
6080         return false;
6081
6082     uint8 i_chapter = data.p_private_data->GetBuffer()[1];
6083     uint8 i_ptt = *(uint8*)p_cookie;
6084
6085     return (i_chapter == i_ptt);
6086 }
6087
6088 bool dvd_command_interpretor_c::MatchCellNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6089 {
6090     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 5 )
6091         return false;
6092
6093     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_CN )
6094         return false;
6095
6096     uint8 *i_cell_n = (uint8 *)p_cookie;
6097     uint8 i_cell_num = data.p_private_data->GetBuffer()[3];
6098
6099     return (i_cell_num == *i_cell_n);
6100 }
6101
6102 bool matroska_script_codec_c::Enter()
6103 {
6104     bool f_result = false;
6105     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
6106     while ( index != enter_cmds.end() )
6107     {
6108         if ( (*index)->GetSize() )
6109         {
6110             msg_Dbg( &sys.demuxer, "Matroska Script enter command" );
6111             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6112         }
6113         index++;
6114     }
6115     return f_result;
6116 }
6117
6118 bool matroska_script_codec_c::Leave()
6119 {
6120     bool f_result = false;
6121     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
6122     while ( index != leave_cmds.end() )
6123     {
6124         if ( (*index)->GetSize() )
6125         {
6126             msg_Dbg( &sys.demuxer, "Matroska Script leave command" );
6127             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6128         }
6129         index++;
6130     }
6131     return f_result;
6132 }
6133
6134 // see http://www.matroska.org/technical/specs/chapters/index.html#mscript
6135 //  for a description of existing commands
6136 bool matroska_script_interpretor_c::Interpret( const binary * p_command, size_t i_size )
6137 {
6138     bool b_result = false;
6139
6140     char *psz_str = (char*) malloc( i_size + 1 );
6141     memcpy( psz_str, p_command, i_size );
6142     psz_str[ i_size ] = '\0';
6143
6144     std::string sz_command = psz_str;
6145     free( psz_str );
6146
6147     msg_Dbg( &sys.demuxer, "command : %s", sz_command.c_str() );
6148
6149 #if defined(__GNUC__) && (__GNUC__ < 3)
6150     if ( sz_command.compare( CMD_MS_GOTO_AND_PLAY, 0, CMD_MS_GOTO_AND_PLAY.size() ) == 0 )
6151 #else
6152     if ( sz_command.compare( 0, CMD_MS_GOTO_AND_PLAY.size(), CMD_MS_GOTO_AND_PLAY ) == 0 )
6153 #endif
6154     {
6155         size_t i,j;
6156
6157         // find the (
6158         for ( i=CMD_MS_GOTO_AND_PLAY.size(); i<sz_command.size(); i++)
6159         {
6160             if ( sz_command[i] == '(' )
6161             {
6162                 i++;
6163                 break;
6164             }
6165         }
6166         // find the )
6167         for ( j=i; j<sz_command.size(); j++)
6168         {
6169             if ( sz_command[j] == ')' )
6170             {
6171                 i--;
6172                 break;
6173             }
6174         }
6175
6176         std::string st = sz_command.substr( i+1, j-i-1 );
6177         int64_t i_chapter_uid = atoi( st.c_str() );
6178
6179         virtual_segment_c *p_segment;
6180         chapter_item_c *p_chapter = sys.FindChapter( i_chapter_uid, p_segment );
6181
6182         if ( p_chapter == NULL )
6183             msg_Dbg( &sys.demuxer, "Chapter "I64Fd" not found", i_chapter_uid);
6184         else
6185         {
6186             if ( !p_chapter->EnterAndLeave( sys.p_current_segment->CurrentChapter() ) )
6187                 p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6188             b_result = true;
6189         }
6190     }
6191
6192     return b_result;
6193 }
6194
6195 void demux_sys_t::SwapButtons()
6196 {
6197 #ifndef WORDS_BIGENDIAN
6198     uint8_t button, i, j;
6199
6200     for( button = 1; button <= pci_packet.hli.hl_gi.btn_ns; button++) {
6201         btni_t *button_ptr = &(pci_packet.hli.btnit[button-1]);
6202         binary *p_data = (binary*) button_ptr;
6203
6204         uint16 i_x_start = ((p_data[0] & 0x3F) << 4 ) + ( p_data[1] >> 4 );
6205         uint16 i_x_end   = ((p_data[1] & 0x03) << 8 ) + p_data[2];
6206         uint16 i_y_start = ((p_data[3] & 0x3F) << 4 ) + ( p_data[4] >> 4 );
6207         uint16 i_y_end   = ((p_data[4] & 0x03) << 8 ) + p_data[5];
6208         button_ptr->x_start = i_x_start;
6209         button_ptr->x_end   = i_x_end;
6210         button_ptr->y_start = i_y_start;
6211         button_ptr->y_end   = i_y_end;
6212
6213     }
6214     for ( i = 0; i<3; i++ )
6215     {
6216         for ( j = 0; j<2; j++ )
6217         {
6218             pci_packet.hli.btn_colit.btn_coli[i][j] = U32_AT( &pci_packet.hli.btn_colit.btn_coli[i][j] );
6219         }
6220     }
6221 #endif
6222 }