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     static bool CompareTimecode( const chapter_item_c * itemA, const chapter_item_c * itemB )
 957     {
 958         return ( itemA->i_user_start_time < itemB->i_user_start_time || (itemA->i_user_start_time == itemB->i_user_start_time && itemA->i_user_end_time < itemB->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, bool b_initial = false );
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, true );
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                         stream_t *p_file_stream = stream_UrlNew( p_demux, s_filename.c_str());
1485                         if ( p_file_stream != NULL )
1486                         {
1487                             vlc_stream_io_callback *p_file_io = new vlc_stream_io_callback( p_file_stream, VLC_TRUE );
1488                             EbmlStream *p_estream = new EbmlStream(*p_file_io);
1489
1490                             p_stream = p_sys->AnalyseAllSegmentsFound( p_estream );
1491
1492                             if ( p_stream == NULL )
1493                             {
1494                                 msg_Dbg( p_demux, "the file '%s' will not be used", s_filename.c_str() );
1495                                 delete p_estream;
1496                                 delete p_file_io;
1497                             }
1498                             else
1499                             {
1500                                 p_stream->p_in = p_file_io;
1501                                 p_stream->p_es = p_estream;
1502                                 p_sys->streams.push_back( p_stream );
1503                             }
1504                         }
1505                         else
1506                         {
1507                             msg_Dbg( p_demux, "the file '%s' cannot be opened", s_filename.c_str() );
1508                         }
1509                     }
1510                 }
1511             }
1512             closedir( p_src_dir );
1513         }
1514     }
1515
1516     p_sys->PreloadFamily( *p_segment );
1517     p_sys->PreloadLinked( p_segment );
1518     if ( !p_sys->PreparePlayback( NULL ) )
1519     {
1520         msg_Err( p_demux, "cannot use the segment" );
1521         goto error;
1522     }
1523
1524     p_sys->StartUiThread();
1525
1526     return VLC_SUCCESS;
1527
1528 error:
1529     delete p_sys;
1530     return VLC_EGENERIC;
1531 }
1532
1533 /*****************************************************************************
1534  * Close: frees unused data
1535  *****************************************************************************/
1536 static void Close( vlc_object_t *p_this )
1537 {
1538     demux_t     *p_demux = (demux_t*)p_this;
1539     demux_sys_t *p_sys   = p_demux->p_sys;
1540
1541     delete p_sys;
1542 }
1543
1544 /*****************************************************************************
1545  * Control:
1546  *****************************************************************************/
1547 static int Control( demux_t *p_demux, int i_query, va_list args )
1548 {
1549     demux_sys_t        *p_sys = p_demux->p_sys;
1550     int64_t     *pi64;
1551     double      *pf, f;
1552     int         i_skp;
1553     size_t      i_idx;
1554
1555     vlc_meta_t **pp_meta;
1556
1557     switch( i_query )
1558     {
1559         case DEMUX_GET_META:
1560             pp_meta = (vlc_meta_t**)va_arg( args, vlc_meta_t** );
1561             *pp_meta = vlc_meta_Duplicate( p_sys->meta );
1562             return VLC_SUCCESS;
1563
1564         case DEMUX_GET_LENGTH:
1565             pi64 = (int64_t*)va_arg( args, int64_t * );
1566             if( p_sys->f_duration > 0.0 )
1567             {
1568                 *pi64 = (int64_t)(p_sys->f_duration * 1000);
1569                 return VLC_SUCCESS;
1570             }
1571             return VLC_EGENERIC;
1572
1573         case DEMUX_GET_POSITION:
1574             pf = (double*)va_arg( args, double * );
1575             if ( p_sys->f_duration > 0.0 )
1576                 *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);
1577             return VLC_SUCCESS;
1578
1579         case DEMUX_SET_POSITION:
1580             f = (double)va_arg( args, double );
1581             Seek( p_demux, -1, f, NULL );
1582             return VLC_SUCCESS;
1583
1584         case DEMUX_GET_TIME:
1585             pi64 = (int64_t*)va_arg( args, int64_t * );
1586             *pi64 = p_sys->i_pts;
1587             return VLC_SUCCESS;
1588
1589         case DEMUX_GET_TITLE_INFO:
1590             if( p_sys->titles.size() )
1591             {
1592                 input_title_t ***ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
1593                 int *pi_int    = (int*)va_arg( args, int* );
1594
1595                 *pi_int = p_sys->titles.size();
1596                 *ppp_title = (input_title_t**)malloc( sizeof( input_title_t**) * p_sys->titles.size() );
1597
1598                 for( size_t i = 0; i < p_sys->titles.size(); i++ )
1599                 {
1600                     (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->titles[i] );
1601                 }
1602
1603                 return VLC_SUCCESS;
1604             }
1605             return VLC_EGENERIC;
1606
1607         case DEMUX_SET_TITLE:
1608             /* TODO handle editions as titles */
1609             i_idx = (int)va_arg( args, int );
1610             if( i_idx < p_sys->used_segments.size() )
1611             {
1612                 p_sys->JumpTo( *p_sys->used_segments[i_idx], NULL );
1613                 return VLC_SUCCESS;
1614             }
1615             return VLC_EGENERIC;
1616
1617         case DEMUX_SET_SEEKPOINT:
1618             i_skp = (int)va_arg( args, int );
1619
1620             // TODO change the way it works with the << & >> buttons on the UI (+1/-1 instead of a number)
1621             if( p_sys->titles.size() && i_skp < p_sys->titles[p_sys->i_current_title]->i_seekpoint)
1622             {
1623                 Seek( p_demux, (int64_t)p_sys->titles[p_sys->i_current_title]->seekpoint[i_skp]->i_time_offset, -1, NULL);
1624                 p_demux->info.i_seekpoint |= INPUT_UPDATE_SEEKPOINT;
1625                 p_demux->info.i_seekpoint = i_skp;
1626                 return VLC_SUCCESS;
1627             }
1628             return VLC_EGENERIC;
1629
1630         case DEMUX_SET_TIME:
1631         case DEMUX_GET_FPS:
1632         default:
1633             return VLC_EGENERIC;
1634     }
1635 }
1636
1637 int matroska_segment_c::BlockGet( KaxBlock * & pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration )
1638 {
1639     pp_block = NULL;
1640     *pi_ref1  = 0;
1641     *pi_ref2  = 0;
1642
1643     for( ;; )
1644     {
1645         EbmlElement *el;
1646         int         i_level;
1647
1648         if ( ep == NULL )
1649             return VLC_EGENERIC;
1650
1651         el = ep->Get();
1652         i_level = ep->GetLevel();
1653
1654         if( el == NULL && pp_block != NULL )
1655         {
1656             /* update the index */
1657 #define idx p_indexes[i_index - 1]
1658             if( i_index > 0 && idx.i_time == -1 )
1659             {
1660                 idx.i_time        = (*pp_block).GlobalTimecode() / (mtime_t)1000;
1661                 idx.b_key         = *pi_ref1 == 0 ? VLC_TRUE : VLC_FALSE;
1662             }
1663 #undef idx
1664             return VLC_SUCCESS;
1665         }
1666
1667         if( el == NULL )
1668         {
1669             if( ep->GetLevel() > 1 )
1670             {
1671                 ep->Up();
1672                 continue;
1673             }
1674             msg_Warn( &sys.demuxer, "EOF" );
1675             return VLC_EGENERIC;
1676         }
1677
1678         /* do parsing */
1679         switch ( i_level )
1680         {
1681         case 1:
1682             if( MKV_IS_ID( el, KaxCluster ) )
1683             {
1684                 cluster = (KaxCluster*)el;
1685                 i_cluster_pos = cluster->GetElementPosition();
1686
1687                 /* add it to the index */
1688                 if( i_index == 0 ||
1689                     ( i_index > 0 && p_indexes[i_index - 1].i_position < (int64_t)cluster->GetElementPosition() ) )
1690                 {
1691                     IndexAppendCluster( cluster );
1692                 }
1693
1694                 // reset silent tracks
1695                 for (size_t i=0; i<tracks.size(); i++)
1696                 {
1697                     tracks[i]->b_silent = VLC_FALSE;
1698                 }
1699
1700                 ep->Down();
1701             }
1702             else if( MKV_IS_ID( el, KaxCues ) )
1703             {
1704                 msg_Warn( &sys.demuxer, "find KaxCues FIXME" );
1705                 return VLC_EGENERIC;
1706             }
1707             else
1708             {
1709                 msg_Dbg( &sys.demuxer, "unknown (%s)", typeid( el ).name() );
1710             }
1711             break;
1712         case 2:
1713             if( MKV_IS_ID( el, KaxClusterTimecode ) )
1714             {
1715                 KaxClusterTimecode &ctc = *(KaxClusterTimecode*)el;
1716
1717                 ctc.ReadData( es.I_O(), SCOPE_ALL_DATA );
1718                 cluster->InitTimecode( uint64( ctc ), i_timescale );
1719             }
1720             else if( MKV_IS_ID( el, KaxClusterSilentTracks ) )
1721             {
1722                 ep->Down();
1723             }
1724             else if( MKV_IS_ID( el, KaxBlockGroup ) )
1725             {
1726                 i_block_pos = el->GetElementPosition();
1727                 ep->Down();
1728             }
1729             break;
1730         case 3:
1731             if( MKV_IS_ID( el, KaxBlock ) )
1732             {
1733                 pp_block = (KaxBlock*)el;
1734
1735                 pp_block->ReadData( es.I_O() );
1736                 pp_block->SetParent( *cluster );
1737
1738                 ep->Keep();
1739             }
1740             else if( MKV_IS_ID( el, KaxBlockDuration ) )
1741             {
1742                 KaxBlockDuration &dur = *(KaxBlockDuration*)el;
1743
1744                 dur.ReadData( es.I_O() );
1745                 *pi_duration = uint64( dur );
1746             }
1747             else if( MKV_IS_ID( el, KaxReferenceBlock ) )
1748             {
1749                 KaxReferenceBlock &ref = *(KaxReferenceBlock*)el;
1750
1751                 ref.ReadData( es.I_O() );
1752                 if( *pi_ref1 == 0 )
1753                 {
1754                     *pi_ref1 = int64( ref ) * cluster->GlobalTimecodeScale();
1755                 }
1756                 else
1757                 {
1758                     *pi_ref2 = int64( ref ) * cluster->GlobalTimecodeScale();
1759                 }
1760             }
1761             else if( MKV_IS_ID( el, KaxClusterSilentTrackNumber ) )
1762             {
1763                 KaxClusterSilentTrackNumber &track_num = *(KaxClusterSilentTrackNumber*)el;
1764                 track_num.ReadData( es.I_O() );
1765                 // find the track
1766                 for (size_t i=0; i<tracks.size(); i++)
1767                 {
1768                     if ( tracks[i]->i_number == uint32(track_num))
1769                     {
1770                         tracks[i]->b_silent = VLC_TRUE;
1771                         break;
1772                     }
1773                 }
1774             }
1775             break;
1776         default:
1777             msg_Err( &sys.demuxer, "invalid level = %d", i_level );
1778             return VLC_EGENERIC;
1779         }
1780     }
1781 }
1782
1783 static block_t *MemToBlock( demux_t *p_demux, uint8_t *p_mem, int i_mem)
1784 {
1785     block_t *p_block;
1786     if( !(p_block = block_New( p_demux, i_mem ) ) ) return NULL;
1787     memcpy( p_block->p_buffer, p_mem, i_mem );
1788     //p_block->i_rate = p_input->stream.control.i_rate;
1789     return p_block;
1790 }
1791
1792 static void BlockDecode( demux_t *p_demux, KaxBlock *block, mtime_t i_pts,
1793                          mtime_t i_duration )
1794 {
1795     demux_sys_t        *p_sys = p_demux->p_sys;
1796     matroska_segment_c *p_segment = p_sys->p_current_segment->Segment();
1797
1798     size_t          i_track;
1799     unsigned int    i;
1800     vlc_bool_t      b;
1801
1802 #define tk  p_segment->tracks[i_track]
1803     for( i_track = 0; i_track < p_segment->tracks.size(); i_track++ )
1804     {
1805         if( tk->i_number == block->TrackNum() )
1806         {
1807             break;
1808         }
1809     }
1810
1811     if( i_track >= p_segment->tracks.size() )
1812     {
1813         msg_Err( p_demux, "invalid track number=%d", block->TrackNum() );
1814         return;
1815     }
1816     if( tk->fmt.i_cat != NAV_ES && tk->p_es == NULL )
1817     {
1818         msg_Err( p_demux, "unknown track number=%d", block->TrackNum() );
1819         return;
1820     }
1821     if( i_pts + i_duration < p_sys->i_start_pts && tk->fmt.i_cat == AUDIO_ES )
1822     {
1823         return; /* discard audio packets that shouldn't be rendered */
1824     }
1825
1826     if ( tk->fmt.i_cat != NAV_ES )
1827     {
1828         es_out_Control( p_demux->out, ES_OUT_GET_ES_STATE, tk->p_es, &b );
1829
1830         if( !b )
1831         {
1832             tk->b_inited = VLC_FALSE;
1833             return;
1834         }
1835     }
1836
1837
1838     /* First send init data */
1839     if( !tk->b_inited && tk->i_data_init > 0 )
1840     {
1841         block_t *p_init;
1842
1843         msg_Dbg( p_demux, "sending header (%d bytes)", tk->i_data_init );
1844         p_init = MemToBlock( p_demux, tk->p_data_init, tk->i_data_init );
1845         if( p_init ) es_out_Send( p_demux->out, tk->p_es, p_init );
1846     }
1847     tk->b_inited = VLC_TRUE;
1848
1849
1850     for( i = 0; i < block->NumberFrames(); i++ )
1851     {
1852         block_t *p_block;
1853         DataBuffer &data = block->GetBuffer(i);
1854
1855         p_block = MemToBlock( p_demux, data.Buffer(), data.Size() );
1856
1857         if( p_block == NULL )
1858         {
1859             break;
1860         }
1861
1862 #if defined(HAVE_ZLIB_H)
1863         if( tk->i_compression_type )
1864         {
1865             p_block = block_zlib_decompress( VLC_OBJECT(p_demux), p_block );
1866         }
1867 #endif
1868
1869         if ( tk->fmt.i_cat == NAV_ES )
1870         {
1871             // TODO handle the start/stop times of this packet
1872             if ( p_sys->b_ui_hooked )
1873             {
1874                 vlc_mutex_lock( &p_sys->p_ev->lock );
1875                 memcpy( &p_sys->pci_packet, &p_block->p_buffer[1], sizeof(pci_t) );
1876                 p_sys->SwapButtons();
1877                 p_sys->b_pci_packet_set = true;
1878                 vlc_mutex_unlock( &p_sys->p_ev->lock );
1879                 block_Release( p_block );
1880             }
1881             return;
1882         }
1883         // correct timestamping when B frames are used
1884         if( tk->fmt.i_cat != VIDEO_ES )
1885         {
1886             p_block->i_dts = p_block->i_pts = i_pts;
1887         }
1888         else
1889         {
1890             if( !strcmp( tk->psz_codec, "V_MS/VFW/FOURCC" ) )
1891             {
1892                 p_block->i_pts = 0;
1893             }
1894             else
1895             {
1896                 p_block->i_pts = i_pts;
1897             }
1898             p_block->i_dts = p_sys->i_pts;
1899         }
1900
1901 #if 0
1902 msg_Dbg( p_demux, "block i_dts: "I64Fd" / i_pts: "I64Fd, p_block->i_dts, p_block->i_pts);
1903 #endif
1904         if( strcmp( tk->psz_codec, "S_VOBSUB" ) )
1905         {
1906             p_block->i_length = i_duration * 1000;
1907         }
1908
1909         es_out_Send( p_demux->out, tk->p_es, p_block );
1910
1911         /* use time stamp only for first block */
1912         i_pts = 0;
1913     }
1914
1915 #undef tk
1916 }
1917
1918 matroska_stream_c *demux_sys_t::AnalyseAllSegmentsFound( EbmlStream *p_estream, bool b_initial )
1919 {
1920     int i_upper_lvl = 0;
1921     size_t i;
1922     EbmlElement *p_l0, *p_l1, *p_l2;
1923     bool b_keep_stream = false, b_keep_segment;
1924
1925     // verify the EBML Header
1926     p_l0 = p_estream->FindNextID(EbmlHead::ClassInfos, 0xFFFFFFFFL);
1927     if (p_l0 == NULL)
1928     {
1929         return NULL;
1930     }
1931     p_l0->SkipData(*p_estream, KaxMatroska_Context);
1932     delete p_l0;
1933
1934     // find all segments in this file
1935     p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFFLL);
1936     if (p_l0 == NULL)
1937     {
1938         return NULL;
1939     }
1940
1941     matroska_stream_c *p_stream1 = new matroska_stream_c( *this );
1942
1943     while (p_l0 != 0)
1944     {
1945         if (EbmlId(*p_l0) == KaxSegment::ClassInfos.GlobalId)
1946         {
1947             EbmlParser  *ep;
1948             matroska_segment_c *p_segment1 = new matroska_segment_c( *this, *p_estream );
1949             b_keep_segment = b_initial;
1950
1951             ep = new EbmlParser(p_estream, p_l0, &demuxer );
1952             p_segment1->ep = ep;
1953             p_segment1->segment = (KaxSegment*)p_l0;
1954
1955             while ((p_l1 = ep->Get()))
1956             {
1957                 if (MKV_IS_ID(p_l1, KaxInfo))
1958                 {
1959                     // find the families of this segment
1960                     KaxInfo *p_info = static_cast<KaxInfo*>(p_l1);
1961
1962                     p_info->Read(*p_estream, KaxInfo::ClassInfos.Context, i_upper_lvl, p_l2, true);
1963                     for( i = 0; i < p_info->ListSize(); i++ )
1964                     {
1965                         EbmlElement *l = (*p_info)[i];
1966
1967                         if( MKV_IS_ID( l, KaxSegmentUID ) )
1968                         {
1969                             KaxSegmentUID *p_uid = static_cast<KaxSegmentUID*>(l);
1970                             b_keep_segment = (FindSegment( *p_uid ) == NULL);
1971                             if ( !b_keep_segment )
1972                                 break; // this segment is already known
1973                             opened_segments.push_back( p_segment1 );
1974                             delete p_segment1->p_segment_uid;
1975                             p_segment1->p_segment_uid = new KaxSegmentUID(*p_uid);
1976                         }
1977                         else if( MKV_IS_ID( l, KaxPrevUID ) )
1978                         {
1979                             p_segment1->p_prev_segment_uid = new KaxPrevUID( *static_cast<KaxPrevUID*>(l) );
1980                         }
1981                         else if( MKV_IS_ID( l, KaxNextUID ) )
1982                         {
1983                             p_segment1->p_next_segment_uid = new KaxNextUID( *static_cast<KaxNextUID*>(l) );
1984                         }
1985                         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
1986                         {
1987                             KaxSegmentFamily *p_fam = new KaxSegmentFamily( *static_cast<KaxSegmentFamily*>(l) );
1988                             p_segment1->families.push_back( *p_fam );
1989                         }
1990                     }
1991                     break;
1992                 }
1993             }
1994             if ( b_keep_segment )
1995             {
1996                 b_keep_stream = true;
1997                 p_stream1->segments.push_back( p_segment1 );
1998             }
1999             else
2000                 delete p_segment1;
2001         }
2002         if (p_l0->IsFiniteSize() )
2003         {
2004             p_l0->SkipData(*p_estream, KaxMatroska_Context);
2005             p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFL);
2006         }
2007         else
2008             p_l0 = p_l0->SkipData(*p_estream, KaxSegment_Context);
2009     }
2010
2011     if ( !b_keep_stream )
2012     {
2013         delete p_stream1;
2014         p_stream1 = NULL;
2015     }
2016
2017     return p_stream1;
2018 }
2019
2020 bool matroska_segment_c::Select( mtime_t i_start_time )
2021 {
2022     size_t i_track;
2023
2024     /* add all es */
2025     msg_Dbg( &sys.demuxer, "found %d es", (int)tracks.size() );
2026     sys.b_pci_packet_set = false;
2027
2028     for( i_track = 0; i_track < tracks.size(); i_track++ )
2029     {
2030         if( tracks[i_track]->fmt.i_cat == UNKNOWN_ES )
2031         {
2032             msg_Warn( &sys.demuxer, "invalid track[%d, n=%d]", (int)i_track, tracks[i_track]->i_number );
2033             tracks[i_track]->p_es = NULL;
2034             continue;
2035         }
2036
2037         if( !strcmp( tracks[i_track]->psz_codec, "V_MS/VFW/FOURCC" ) )
2038         {
2039             if( tracks[i_track]->i_extra_data < (int)sizeof( BITMAPINFOHEADER ) )
2040             {
2041                 msg_Err( &sys.demuxer, "missing/invalid BITMAPINFOHEADER" );
2042                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2043             }
2044             else
2045             {
2046                 BITMAPINFOHEADER *p_bih = (BITMAPINFOHEADER*)tracks[i_track]->p_extra_data;
2047
2048                 tracks[i_track]->fmt.video.i_width = GetDWLE( &p_bih->biWidth );
2049                 tracks[i_track]->fmt.video.i_height= GetDWLE( &p_bih->biHeight );
2050                 tracks[i_track]->fmt.i_codec       = GetFOURCC( &p_bih->biCompression );
2051
2052                 tracks[i_track]->fmt.i_extra       = GetDWLE( &p_bih->biSize ) - sizeof( BITMAPINFOHEADER );
2053                 if( tracks[i_track]->fmt.i_extra > 0 )
2054                 {
2055                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2056                     memcpy( tracks[i_track]->fmt.p_extra, &p_bih[1], tracks[i_track]->fmt.i_extra );
2057                 }
2058             }
2059         }
2060         else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG1" ) ||
2061                  !strcmp( tracks[i_track]->psz_codec, "V_MPEG2" ) )
2062         {
2063             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'v' );
2064         }
2065         else if( !strncmp( tracks[i_track]->psz_codec, "V_MPEG4", 7 ) )
2066         {
2067             if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/MS/V3" ) )
2068             {
2069                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'D', 'I', 'V', '3' );
2070             }
2071             else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/ISO/AVC" ) )
2072             {
2073                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'v', 'c', '1' );
2074                 tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2075                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2076                 memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2077             }
2078             else
2079             {
2080                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' );
2081             }
2082         }
2083         else if( !strcmp( tracks[i_track]->psz_codec, "V_QUICKTIME" ) )
2084         {
2085             MP4_Box_t *p_box = (MP4_Box_t*)malloc( sizeof( MP4_Box_t ) );
2086             stream_t *p_mp4_stream = stream_MemoryNew( VLC_OBJECT(&sys.demuxer),
2087                                                        tracks[i_track]->p_extra_data,
2088                                                        tracks[i_track]->i_extra_data,
2089                                                        VLC_FALSE );
2090             MP4_ReadBoxCommon( p_mp4_stream, p_box );
2091             MP4_ReadBox_sample_vide( p_mp4_stream, p_box );
2092             tracks[i_track]->fmt.i_codec = p_box->i_type;
2093             tracks[i_track]->fmt.video.i_width = p_box->data.p_sample_vide->i_width;
2094             tracks[i_track]->fmt.video.i_height = p_box->data.p_sample_vide->i_height;
2095             tracks[i_track]->fmt.i_extra = p_box->data.p_sample_vide->i_qt_image_description;
2096             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2097             memcpy( tracks[i_track]->fmt.p_extra, p_box->data.p_sample_vide->p_qt_image_description, tracks[i_track]->fmt.i_extra );
2098             MP4_FreeBox_sample_vide( p_box );
2099             stream_Delete( p_mp4_stream );
2100         }
2101         else if( !strcmp( tracks[i_track]->psz_codec, "A_MS/ACM" ) )
2102         {
2103             if( tracks[i_track]->i_extra_data < (int)sizeof( WAVEFORMATEX ) )
2104             {
2105                 msg_Err( &sys.demuxer, "missing/invalid WAVEFORMATEX" );
2106                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2107             }
2108             else
2109             {
2110                 WAVEFORMATEX *p_wf = (WAVEFORMATEX*)tracks[i_track]->p_extra_data;
2111
2112                 wf_tag_to_fourcc( GetWLE( &p_wf->wFormatTag ), &tracks[i_track]->fmt.i_codec, NULL );
2113
2114                 tracks[i_track]->fmt.audio.i_channels   = GetWLE( &p_wf->nChannels );
2115                 tracks[i_track]->fmt.audio.i_rate = GetDWLE( &p_wf->nSamplesPerSec );
2116                 tracks[i_track]->fmt.i_bitrate    = GetDWLE( &p_wf->nAvgBytesPerSec ) * 8;
2117                 tracks[i_track]->fmt.audio.i_blockalign = GetWLE( &p_wf->nBlockAlign );;
2118                 tracks[i_track]->fmt.audio.i_bitspersample = GetWLE( &p_wf->wBitsPerSample );
2119
2120                 tracks[i_track]->fmt.i_extra            = GetWLE( &p_wf->cbSize );
2121                 if( tracks[i_track]->fmt.i_extra > 0 )
2122                 {
2123                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2124                     memcpy( tracks[i_track]->fmt.p_extra, &p_wf[1], tracks[i_track]->fmt.i_extra );
2125                 }
2126             }
2127         }
2128         else if( !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L3" ) ||
2129                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L2" ) ||
2130                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L1" ) )
2131         {
2132             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' );
2133         }
2134         else if( !strcmp( tracks[i_track]->psz_codec, "A_AC3" ) )
2135         {
2136             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' );
2137         }
2138         else if( !strcmp( tracks[i_track]->psz_codec, "A_DTS" ) )
2139         {
2140             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'd', 't', 's', ' ' );
2141         }
2142         else if( !strcmp( tracks[i_track]->psz_codec, "A_FLAC" ) )
2143         {
2144             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'f', 'l', 'a', 'c' );
2145             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2146             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2147             memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2148         }
2149         else if( !strcmp( tracks[i_track]->psz_codec, "A_VORBIS" ) )
2150         {
2151             int i, i_offset = 1, i_size[3], i_extra;
2152             uint8_t *p_extra;
2153
2154             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'v', 'o', 'r', 'b' );
2155
2156             /* Split the 3 headers */
2157             if( tracks[i_track]->p_extra_data[0] != 0x02 )
2158                 msg_Err( &sys.demuxer, "invalid vorbis header" );
2159
2160             for( i = 0; i < 2; i++ )
2161             {
2162                 i_size[i] = 0;
2163                 while( i_offset < tracks[i_track]->i_extra_data )
2164                 {
2165                     i_size[i] += tracks[i_track]->p_extra_data[i_offset];
2166                     if( tracks[i_track]->p_extra_data[i_offset++] != 0xff ) break;
2167                 }
2168             }
2169
2170             i_size[0] = __MIN(i_size[0], tracks[i_track]->i_extra_data - i_offset);
2171             i_size[1] = __MIN(i_size[1], tracks[i_track]->i_extra_data -i_offset -i_size[0]);
2172             i_size[2] = tracks[i_track]->i_extra_data - i_offset - i_size[0] - i_size[1];
2173
2174             tracks[i_track]->fmt.i_extra = 3 * 2 + i_size[0] + i_size[1] + i_size[2];
2175             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2176             p_extra = (uint8_t *)tracks[i_track]->fmt.p_extra; i_extra = 0;
2177             for( i = 0; i < 3; i++ )
2178             {
2179                 *(p_extra++) = i_size[i] >> 8;
2180                 *(p_extra++) = i_size[i] & 0xFF;
2181                 memcpy( p_extra, tracks[i_track]->p_extra_data + i_offset + i_extra,
2182                         i_size[i] );
2183                 p_extra += i_size[i];
2184                 i_extra += i_size[i];
2185             }
2186         }
2187         else if( !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG2/", strlen( "A_AAC/MPEG2/" ) ) ||
2188                  !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG4/", strlen( "A_AAC/MPEG4/" ) ) )
2189         {
2190             int i_profile, i_srate;
2191             static unsigned int i_sample_rates[] =
2192             {
2193                     96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050,
2194                         16000, 12000, 11025, 8000,  7350,  0,     0,     0
2195             };
2196
2197             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
2198             /* create data for faad (MP4DecSpecificDescrTag)*/
2199
2200             if( !strcmp( &tracks[i_track]->psz_codec[12], "MAIN" ) )
2201             {
2202                 i_profile = 0;
2203             }
2204             else if( !strcmp( &tracks[i_track]->psz_codec[12], "LC" ) )
2205             {
2206                 i_profile = 1;
2207             }
2208             else if( !strcmp( &tracks[i_track]->psz_codec[12], "SSR" ) )
2209             {
2210                 i_profile = 2;
2211             }
2212             else
2213             {
2214                 i_profile = 3;
2215             }
2216
2217             for( i_srate = 0; i_srate < 13; i_srate++ )
2218             {
2219                 if( i_sample_rates[i_srate] == tracks[i_track]->fmt.audio.i_rate )
2220                 {
2221                     break;
2222                 }
2223             }
2224             msg_Dbg( &sys.demuxer, "profile=%d srate=%d", i_profile, i_srate );
2225
2226             tracks[i_track]->fmt.i_extra = 2;
2227             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2228             ((uint8_t*)tracks[i_track]->fmt.p_extra)[0] = ((i_profile + 1) << 3) | ((i_srate&0xe) >> 1);
2229             ((uint8_t*)tracks[i_track]->fmt.p_extra)[1] = ((i_srate & 0x1) << 7) | (tracks[i_track]->fmt.audio.i_channels << 3);
2230         }
2231         else if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) ||
2232                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/LIT" ) ||
2233                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/FLOAT/IEEE" ) )
2234         {
2235             if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) )
2236             {
2237                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
2238             }
2239             else
2240             {
2241                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
2242             }
2243             tracks[i_track]->fmt.audio.i_blockalign = ( tracks[i_track]->fmt.audio.i_bitspersample + 7 ) / 8 * tracks[i_track]->fmt.audio.i_channels;
2244         }
2245         else if( !strcmp( tracks[i_track]->psz_codec, "A_TTA1" ) )
2246         {
2247             /* FIXME: support this codec */
2248             msg_Err( &sys.demuxer, "TTA not supported yet[%d, n=%d]", (int)i_track, tracks[i_track]->i_number );
2249             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2250         }
2251         else if( !strcmp( tracks[i_track]->psz_codec, "A_WAVPACK4" ) )
2252         {
2253             /* FIXME: support this codec */
2254             msg_Err( &sys.demuxer, "Wavpack not supported yet[%d, n=%d]", (int)i_track, tracks[i_track]->i_number );
2255             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2256         }
2257         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/UTF8" ) )
2258         {
2259             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 'u', 'b', 't' );
2260             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2261         }
2262         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/SSA" ) ||
2263                  !strcmp( tracks[i_track]->psz_codec, "S_TEXT/ASS" ) ||
2264                  !strcmp( tracks[i_track]->psz_codec, "S_SSA" ) ||
2265                  !strcmp( tracks[i_track]->psz_codec, "S_ASS" ))
2266         {
2267             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 's', 'a', ' ' );
2268             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2269         }
2270         else if( !strcmp( tracks[i_track]->psz_codec, "S_VOBSUB" ) )
2271         {
2272             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's','p','u',' ' );
2273             if( tracks[i_track]->i_extra_data )
2274             {
2275                 char *p_start;
2276                 char *p_buf = (char *)malloc( tracks[i_track]->i_extra_data + 1);
2277                 memcpy( p_buf, tracks[i_track]->p_extra_data , tracks[i_track]->i_extra_data );
2278                 p_buf[tracks[i_track]->i_extra_data] = '\0';
2279
2280                 p_start = strstr( p_buf, "size:" );
2281                 if( sscanf( p_start, "size: %dx%d",
2282                         &tracks[i_track]->fmt.subs.spu.i_original_frame_width, &tracks[i_track]->fmt.subs.spu.i_original_frame_height ) == 2 )
2283                 {
2284                     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 );
2285                 }
2286                 else
2287                 {
2288                     msg_Warn( &sys.demuxer, "reading original frame size for vobsub failed" );
2289                 }
2290                 free( p_buf );
2291             }
2292         }
2293         else if( !strcmp( tracks[i_track]->psz_codec, "B_VOBBTN" ) )
2294         {
2295             tracks[i_track]->fmt.i_cat = NAV_ES;
2296             continue;
2297         }
2298         else
2299         {
2300             msg_Err( &sys.demuxer, "unknow codec id=`%s'", tracks[i_track]->psz_codec );
2301             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2302         }
2303         if( tracks[i_track]->b_default )
2304         {
2305             tracks[i_track]->fmt.i_priority = 1000;
2306         }
2307
2308         tracks[i_track]->p_es = es_out_Add( sys.demuxer.out, &tracks[i_track]->fmt );
2309
2310         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_start_time );
2311     }
2312
2313     sys.i_start_pts = i_start_time;
2314     // reset the stream reading to the first cluster of the segment used
2315     es.I_O().setFilePointer( i_start_pos );
2316
2317     delete ep;
2318     ep = new EbmlParser( &es, segment, &sys.demuxer );
2319
2320     return true;
2321 }
2322
2323 void demux_sys_t::StartUiThread()
2324 {
2325     if ( !b_ui_hooked )
2326     {
2327         msg_Dbg( &demuxer, "Starting the UI Hook" );
2328         b_ui_hooked = true;
2329         /* FIXME hack hack hack hack FIXME */
2330         /* Get p_input and create variable */
2331         p_input = (input_thread_t *) vlc_object_find( &demuxer, VLC_OBJECT_INPUT, FIND_PARENT );
2332         var_Create( p_input, "x-start", VLC_VAR_INTEGER );
2333         var_Create( p_input, "y-start", VLC_VAR_INTEGER );
2334         var_Create( p_input, "x-end", VLC_VAR_INTEGER );
2335         var_Create( p_input, "y-end", VLC_VAR_INTEGER );
2336         var_Create( p_input, "color", VLC_VAR_ADDRESS );
2337         var_Create( p_input, "menu-palette", VLC_VAR_ADDRESS );
2338         var_Create( p_input, "highlight", VLC_VAR_BOOL );
2339         var_Create( p_input, "highlight-mutex", VLC_VAR_MUTEX );
2340
2341         /* Now create our event thread catcher */
2342         p_ev = (event_thread_t *) vlc_object_create( &demuxer, sizeof( event_thread_t ) );
2343         p_ev->p_demux = &demuxer;
2344         p_ev->b_die = VLC_FALSE;
2345         vlc_mutex_init( p_ev, &p_ev->lock );
2346         vlc_thread_create( p_ev, "mkv event thread handler", EventThread,
2347                         VLC_THREAD_PRIORITY_LOW, VLC_FALSE );
2348     }
2349 }
2350
2351 void demux_sys_t::StopUiThread()
2352 {
2353     if ( b_ui_hooked )
2354     {
2355         p_ev->b_die = VLC_TRUE;
2356
2357         vlc_thread_join( p_ev );
2358         vlc_object_destroy( p_ev );
2359
2360         p_ev = NULL;
2361
2362         var_Destroy( p_input, "highlight-mutex" );
2363         var_Destroy( p_input, "highlight" );
2364         var_Destroy( p_input, "x-start" );
2365         var_Destroy( p_input, "x-end" );
2366         var_Destroy( p_input, "y-start" );
2367         var_Destroy( p_input, "y-end" );
2368         var_Destroy( p_input, "color" );
2369         var_Destroy( p_input, "menu-palette" );
2370
2371         vlc_object_release( p_input );
2372
2373         msg_Dbg( &demuxer, "Stopping the UI Hook" );
2374     }
2375     b_ui_hooked = false;
2376 }
2377
2378 int demux_sys_t::EventMouse( 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     if( psz_var[6] == 'c' )
2384         p_ev->b_clicked = VLC_TRUE;
2385     else if( psz_var[6] == 'm' )
2386         p_ev->b_moved = VLC_TRUE;
2387     vlc_mutex_unlock( &p_ev->lock );
2388
2389     return VLC_SUCCESS;
2390 }
2391
2392 int demux_sys_t::EventKey( vlc_object_t *p_this, char const *psz_var,
2393                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
2394 {
2395     event_thread_t *p_ev = (event_thread_t *) p_data;
2396     vlc_mutex_lock( &p_ev->lock );
2397     p_ev->b_key = VLC_TRUE;
2398     vlc_mutex_unlock( &p_ev->lock );
2399
2400     return VLC_SUCCESS;
2401 }
2402
2403 int demux_sys_t::EventThread( vlc_object_t *p_this )
2404 {
2405     event_thread_t *p_ev = (event_thread_t*)p_this;
2406     demux_sys_t    *p_sys = p_ev->p_demux->p_sys;
2407     vlc_object_t   *p_vout = NULL;
2408
2409     p_ev->b_moved   = VLC_FALSE;
2410     p_ev->b_clicked = VLC_FALSE;
2411     p_ev->b_key     = VLC_FALSE;
2412
2413     /* catch all key event */
2414     var_AddCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2415
2416     /* main loop */
2417     while( !p_ev->b_die )
2418     {
2419         if ( !p_sys->b_pci_packet_set )
2420         {
2421             /* Wait 100ms */
2422             msleep( 100000 );
2423             continue;
2424         }
2425
2426         vlc_bool_t b_activated = VLC_FALSE;
2427
2428         /* KEY part */
2429         if( p_ev->b_key )
2430         {
2431             vlc_value_t valk;
2432             struct vlc_t::hotkey *p_hotkeys = p_ev->p_vlc->p_hotkeys;
2433             int i, i_action = -1;
2434
2435             vlc_mutex_lock( &p_ev->lock );
2436
2437             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2438
2439             var_Get( p_ev->p_vlc, "key-pressed", &valk );
2440             for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
2441             {
2442                 if( p_hotkeys[i].i_key == valk.i_int )
2443                 {
2444                     i_action = p_hotkeys[i].i_action;
2445                 }
2446             }
2447
2448             uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2449
2450             switch( i_action )
2451             {
2452             case ACTIONID_NAV_LEFT:
2453                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2454                 {
2455                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2456                     if ( p_button_ptr->left > 0 && p_button_ptr->left <= pci->hli.hl_gi.btn_ns )
2457                     {
2458                         i_curr_button = p_button_ptr->left;
2459                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2460                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2461                         if ( button_ptr.auto_action_mode )
2462                         {
2463                             vlc_mutex_unlock( &p_ev->lock );
2464                             vlc_mutex_lock( &p_sys->lock_demuxer );
2465
2466                             // process the button action
2467                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2468
2469                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2470                             vlc_mutex_lock( &p_ev->lock );
2471                         }
2472                     }
2473                 }
2474                 break;
2475             case ACTIONID_NAV_RIGHT:
2476                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2477                 {
2478                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2479                     if ( p_button_ptr->right > 0 && p_button_ptr->right <= pci->hli.hl_gi.btn_ns )
2480                     {
2481                         i_curr_button = p_button_ptr->right;
2482                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2483                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2484                         if ( button_ptr.auto_action_mode )
2485                         {
2486                             vlc_mutex_unlock( &p_ev->lock );
2487                             vlc_mutex_lock( &p_sys->lock_demuxer );
2488
2489                             // process the button action
2490                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2491
2492                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2493                             vlc_mutex_lock( &p_ev->lock );
2494                         }
2495                     }
2496                 }
2497                 break;
2498             case ACTIONID_NAV_UP:
2499                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2500                 {
2501                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2502                     if ( p_button_ptr->up > 0 && p_button_ptr->up <= pci->hli.hl_gi.btn_ns )
2503                     {
2504                         i_curr_button = p_button_ptr->up;
2505                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2506                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2507                         if ( button_ptr.auto_action_mode )
2508                         {
2509                             vlc_mutex_unlock( &p_ev->lock );
2510                             vlc_mutex_lock( &p_sys->lock_demuxer );
2511
2512                             // process the button action
2513                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2514
2515                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2516                             vlc_mutex_lock( &p_ev->lock );
2517                         }
2518                     }
2519                 }
2520                 break;
2521             case ACTIONID_NAV_DOWN:
2522                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2523                 {
2524                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2525                     if ( p_button_ptr->down > 0 && p_button_ptr->down <= pci->hli.hl_gi.btn_ns )
2526                     {
2527                         i_curr_button = p_button_ptr->down;
2528                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2529                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2530                         if ( button_ptr.auto_action_mode )
2531                         {
2532                             vlc_mutex_unlock( &p_ev->lock );
2533                             vlc_mutex_lock( &p_sys->lock_demuxer );
2534
2535                             // process the button action
2536                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2537
2538                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2539                             vlc_mutex_lock( &p_ev->lock );
2540                         }
2541                     }
2542                 }
2543                 break;
2544             case ACTIONID_NAV_ACTIVATE:
2545                 b_activated = VLC_TRUE;
2546
2547                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2548                 {
2549                     btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2550
2551                     vlc_mutex_unlock( &p_ev->lock );
2552                     vlc_mutex_lock( &p_sys->lock_demuxer );
2553
2554                     // process the button action
2555                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2556
2557                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2558                     vlc_mutex_lock( &p_ev->lock );
2559                 }
2560                 break;
2561             default:
2562                 break;
2563             }
2564             p_ev->b_key = VLC_FALSE;
2565             vlc_mutex_unlock( &p_ev->lock );
2566         }
2567
2568         /* MOUSE part */
2569         if( p_vout && ( p_ev->b_moved || p_ev->b_clicked ) )
2570         {
2571             vlc_value_t valx, valy;
2572
2573             vlc_mutex_lock( &p_ev->lock );
2574             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2575             var_Get( p_vout, "mouse-x", &valx );
2576             var_Get( p_vout, "mouse-y", &valy );
2577
2578             if( p_ev->b_clicked )
2579             {
2580                 int32_t button;
2581                 int32_t best,dist,d;
2582                 int32_t mx,my,dx,dy;
2583
2584                 b_activated = VLC_TRUE;
2585                 // get current button
2586                 best = 0;
2587                 dist = 0x08000000; /* >> than  (720*720)+(567*567); */
2588                 for(button = 1; button <= pci->hli.hl_gi.btn_ns; button++)
2589                 {
2590                     btni_t *button_ptr = &(pci->hli.btnit[button-1]);
2591
2592                     if(((unsigned)valx.i_int >= button_ptr->x_start)
2593                      && ((unsigned)valx.i_int <= button_ptr->x_end)
2594                      && ((unsigned)valy.i_int >= button_ptr->y_start)
2595                      && ((unsigned)valy.i_int <= button_ptr->y_end))
2596                     {
2597                         mx = (button_ptr->x_start + button_ptr->x_end)/2;
2598                         my = (button_ptr->y_start + button_ptr->y_end)/2;
2599                         dx = mx - valx.i_int;
2600                         dy = my - valy.i_int;
2601                         d = (dx*dx) + (dy*dy);
2602                         /* If the mouse is within the button and the mouse is closer
2603                         * to the center of this button then it is the best choice. */
2604                         if(d < dist) {
2605                             dist = d;
2606                             best = button;
2607                         }
2608                     }
2609                 }
2610
2611                 if ( best != 0)
2612                 {
2613                     btni_t button_ptr = pci->hli.btnit[best-1];
2614                     uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2615
2616                     msg_Dbg( &p_sys->demuxer, "Clicked button %d", best );
2617                     vlc_mutex_unlock( &p_ev->lock );
2618                     vlc_mutex_lock( &p_sys->lock_demuxer );
2619
2620                     // process the button action
2621                     p_sys->dvd_interpretor.SetSPRM( 0x88, best );
2622                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2623
2624                     msg_Dbg( &p_sys->demuxer, "Processed button %d", best );
2625
2626                     // select new button
2627                     if ( best != i_curr_button )
2628                     {
2629                         vlc_value_t val;
2630
2631                         if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
2632                         {
2633                             vlc_mutex_t *p_mutex = (vlc_mutex_t *) val.p_address;
2634                             uint32_t i_palette;
2635
2636                             if(button_ptr.btn_coln != 0) {
2637                                 i_palette = pci->hli.btn_colit.btn_coli[button_ptr.btn_coln-1][1];
2638                             } else {
2639                                 i_palette = 0;
2640                             }
2641
2642                             for( int i = 0; i < 4; i++ )
2643                             {
2644                                 uint32_t i_yuv = 0xFF;//p_sys->clut[(hl.palette>>(16+i*4))&0x0f];
2645                                 uint8_t i_alpha = (i_palette>>(i*4))&0x0f;
2646                                 i_alpha = i_alpha == 0xf ? 0xff : i_alpha << 4;
2647
2648                                 p_sys->palette[i][0] = (i_yuv >> 16) & 0xff;
2649                                 p_sys->palette[i][1] = (i_yuv >> 0) & 0xff;
2650                                 p_sys->palette[i][2] = (i_yuv >> 8) & 0xff;
2651                                 p_sys->palette[i][3] = i_alpha;
2652                             }
2653
2654                             vlc_mutex_lock( p_mutex );
2655                             val.i_int = button_ptr.x_start; var_Set( p_sys->p_input, "x-start", val );
2656                             val.i_int = button_ptr.x_end;   var_Set( p_sys->p_input, "x-end",   val );
2657                             val.i_int = button_ptr.y_start; var_Set( p_sys->p_input, "y-start", val );
2658                             val.i_int = button_ptr.y_end;   var_Set( p_sys->p_input, "y-end",   val );
2659
2660                             val.p_address = (void *)p_sys->palette;
2661                             var_Set( p_sys->p_input, "menu-palette", val );
2662
2663                             val.b_bool = VLC_TRUE; var_Set( p_sys->p_input, "highlight", val );
2664                             vlc_mutex_unlock( p_mutex );
2665                         }
2666                     }
2667                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2668                     vlc_mutex_lock( &p_ev->lock );
2669                 }
2670             }
2671             else if( p_ev->b_moved )
2672             {
2673 //                dvdnav_mouse_select( NULL, pci, valx.i_int, valy.i_int );
2674             }
2675
2676             p_ev->b_moved = VLC_FALSE;
2677             p_ev->b_clicked = VLC_FALSE;
2678             vlc_mutex_unlock( &p_ev->lock );
2679         }
2680
2681         /* VOUT part */
2682         if( p_vout && p_vout->b_die )
2683         {
2684             var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2685             var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2686             vlc_object_release( p_vout );
2687             p_vout = NULL;
2688         }
2689
2690         else if( p_vout == NULL )
2691         {
2692             p_vout = (vlc_object_t*) vlc_object_find( p_sys->p_input, VLC_OBJECT_VOUT,
2693                                       FIND_CHILD );
2694             if( p_vout)
2695             {
2696                 var_AddCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2697                 var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2698             }
2699         }
2700
2701         /* Wait a bit, 10ms */
2702         msleep( 10000 );
2703     }
2704
2705     /* Release callback */
2706     if( p_vout )
2707     {
2708         var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2709         var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2710         vlc_object_release( p_vout );
2711     }
2712     var_DelCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2713
2714     vlc_mutex_destroy( &p_ev->lock );
2715
2716     return VLC_SUCCESS;
2717 }
2718
2719 void matroska_segment_c::UnSelect( )
2720 {
2721     size_t i_track;
2722
2723     for( i_track = 0; i_track < tracks.size(); i_track++ )
2724     {
2725         if ( tracks[i_track]->p_es != NULL )
2726         {
2727 //            es_format_Clean( &tracks[i_track]->fmt );
2728             es_out_Del( sys.demuxer.out, tracks[i_track]->p_es );
2729             tracks[i_track]->p_es = NULL;
2730         }
2731     }
2732     delete ep;
2733     ep = NULL;
2734 }
2735
2736 void virtual_segment_c::PrepareChapters( )
2737 {
2738     if ( linked_segments.size() == 0 )
2739         return;
2740
2741     // !!! should be called only once !!!
2742     matroska_segment_c *p_segment;
2743     size_t i, j;
2744
2745     // copy editions from the first segment
2746     p_segment = linked_segments[0];
2747     p_editions = &p_segment->stored_editions;
2748
2749     for ( i=1 ; i<linked_segments.size(); i++ )
2750     {
2751         p_segment = linked_segments[i];
2752         // FIXME assume we have the same editions in all segments
2753         for (j=0; j<p_segment->stored_editions.size(); j++)
2754             (*p_editions)[j]->Append( *p_segment->stored_editions[j] );
2755     }
2756 }
2757
2758 std::string chapter_edition_c::GetMainName() const
2759 {
2760     if ( sub_chapters.size() )
2761     {
2762         return sub_chapters[0]->GetCodecName( true );
2763     }
2764     return "";
2765 }
2766
2767 int chapter_item_c::PublishChapters( input_title_t & title, int & i_user_chapters, int i_level )
2768 {
2769     // add support for meta-elements from codec like DVD Titles
2770     if ( !b_display_seekpoint || psz_name == "" )
2771     {
2772         psz_name = GetCodecName();
2773         if ( psz_name != "" )
2774             b_display_seekpoint = true;
2775     }
2776
2777     if (b_display_seekpoint)
2778     {
2779         seekpoint_t *sk = vlc_seekpoint_New();
2780
2781         sk->i_level = i_level;
2782         sk->i_time_offset = i_start_time;
2783         sk->psz_name = strdup( psz_name.c_str() );
2784
2785         // A start time of '0' is ok. A missing ChapterTime element is ok, too, because '0' is its default value.
2786         title.i_seekpoint++;
2787         title.seekpoint = (seekpoint_t**)realloc( title.seekpoint, title.i_seekpoint * sizeof( seekpoint_t* ) );
2788         title.seekpoint[title.i_seekpoint-1] = sk;
2789
2790         if ( b_user_display )
2791             i_user_chapters++;
2792     }
2793
2794     for ( size_t i=0; i<sub_chapters.size() ; i++)
2795     {
2796         sub_chapters[i]->PublishChapters( title, i_user_chapters, i_level+1 );
2797     }
2798
2799     i_seekpoint_num = i_user_chapters;
2800
2801     return i_user_chapters;
2802 }
2803
2804 bool virtual_segment_c::UpdateCurrentToChapter( demux_t & demux )
2805 {
2806     demux_sys_t & sys = *demux.p_sys;
2807     chapter_item_c *psz_curr_chapter;
2808     bool b_has_seeked = false;
2809
2810     /* update current chapter/seekpoint */
2811     if ( p_editions->size() )
2812     {
2813         /* 1st, we need to know in which chapter we are */
2814         psz_curr_chapter = (*p_editions)[i_current_edition]->FindTimecode( sys.i_pts, psz_current_chapter );
2815
2816         /* we have moved to a new chapter */
2817         if (psz_curr_chapter != NULL && psz_current_chapter != psz_curr_chapter)
2818         {
2819             if ( (*p_editions)[i_current_edition]->b_ordered )
2820             {
2821                 // Leave/Enter up to the link point
2822                 b_has_seeked = psz_curr_chapter->EnterAndLeave( psz_current_chapter );
2823                 if ( !b_has_seeked )
2824                 {
2825                     // only physically seek if necessary
2826                     if ( psz_current_chapter == NULL || (psz_current_chapter->i_end_time != psz_curr_chapter->i_start_time) )
2827                         Seek( demux, sys.i_pts, 0, psz_curr_chapter );
2828                 }
2829             }
2830
2831             if ( !b_has_seeked )
2832             {
2833                 psz_current_chapter = psz_curr_chapter;
2834                 if ( psz_curr_chapter->i_seekpoint_num > 0 )
2835                 {
2836                     demux.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
2837                     demux.info.i_title = sys.i_current_title = i_sys_title;
2838                     demux.info.i_seekpoint = psz_curr_chapter->i_seekpoint_num - 1;
2839                 }
2840             }
2841
2842             return true;
2843         }
2844         else if (psz_curr_chapter == NULL)
2845         {
2846             // out of the scope of the data described by chapters, leave the edition
2847             if ( (*p_editions)[i_current_edition]->b_ordered && psz_current_chapter != NULL )
2848             {
2849                 if ( !(*p_editions)[i_current_edition]->EnterAndLeave( psz_current_chapter, false ) )
2850                     psz_current_chapter = NULL;
2851                 else
2852                     return true;
2853             }
2854         }
2855     }
2856     return false;
2857 }
2858
2859 chapter_item_c *virtual_segment_c::BrowseCodecPrivate( unsigned int codec_id,
2860                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
2861                                     const void *p_cookie,
2862                                     size_t i_cookie_size )
2863 {
2864     // FIXME don't assume it is the first edition
2865     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
2866     if ( index != p_editions->end() )
2867     {
2868         chapter_item_c *p_result = (*index)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
2869         if ( p_result != NULL )
2870             return p_result;
2871     }
2872     return NULL;
2873 }
2874
2875 chapter_item_c *virtual_segment_c::FindChapter( int64_t i_find_uid )
2876 {
2877     // FIXME don't assume it is the first edition
2878     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
2879     if ( index != p_editions->end() )
2880     {
2881         chapter_item_c *p_result = (*index)->FindChapter( i_find_uid );
2882         if ( p_result != NULL )
2883             return p_result;
2884     }
2885     return NULL;
2886 }
2887
2888 chapter_item_c *chapter_item_c::BrowseCodecPrivate( unsigned int codec_id,
2889                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
2890                                     const void *p_cookie,
2891                                     size_t i_cookie_size )
2892 {
2893     // this chapter
2894     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2895     while ( index != codecs.end() )
2896     {
2897         if ( match( **index ,p_cookie, i_cookie_size ) )
2898             return this;
2899         index++;
2900     }
2901
2902     // sub-chapters
2903     chapter_item_c *p_result = NULL;
2904     std::vector<chapter_item_c*>::const_iterator index2 = sub_chapters.begin();
2905     while ( index2 != sub_chapters.end() )
2906     {
2907         p_result = (*index2)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
2908         if ( p_result != NULL )
2909             return p_result;
2910         index2++;
2911     }
2912
2913     return p_result;
2914 }
2915
2916 void chapter_item_c::Append( const chapter_item_c & chapter )
2917 {
2918     // we are appending content for the same chapter UID
2919     size_t i;
2920     chapter_item_c *p_chapter;
2921
2922     for ( i=0; i<chapter.sub_chapters.size(); i++ )
2923     {
2924         p_chapter = FindChapter( chapter.sub_chapters[i]->i_uid );
2925         if ( p_chapter != NULL )
2926         {
2927             p_chapter->Append( *chapter.sub_chapters[i] );
2928         }
2929         else
2930         {
2931             sub_chapters.push_back( chapter.sub_chapters[i] );
2932         }
2933     }
2934
2935     i_user_start_time = min( i_user_start_time, chapter.i_user_start_time );
2936     i_user_end_time = max( i_user_end_time, chapter.i_user_end_time );
2937 }
2938
2939 chapter_item_c * chapter_item_c::FindChapter( int64_t i_find_uid )
2940 {
2941     size_t i;
2942     chapter_item_c *p_result = NULL;
2943
2944     if ( i_uid == i_find_uid )
2945         return this;
2946
2947     for ( i=0; i<sub_chapters.size(); i++)
2948     {
2949         p_result = sub_chapters[i]->FindChapter( i_find_uid );
2950         if ( p_result != NULL )
2951             break;
2952     }
2953     return p_result;
2954 }
2955
2956 std::string chapter_item_c::GetCodecName( bool f_for_title ) const
2957 {
2958     std::string result;
2959
2960     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2961     while ( index != codecs.end() )
2962     {
2963         result = (*index)->GetCodecName( f_for_title );
2964         if ( result != "" )
2965             break;
2966         index++;
2967     }
2968
2969     return result;
2970 }
2971
2972 std::string dvd_chapter_codec_c::GetCodecName( bool f_for_title ) const
2973 {
2974     std::string result;
2975     if ( p_private_data->GetSize() >= 3)
2976     {
2977         const binary* p_data = p_private_data->GetBuffer();
2978 /*        if ( p_data[0] == MATROSKA_DVD_LEVEL_TT )
2979         {
2980             uint16_t i_title = (p_data[1] << 8) + p_data[2];
2981             char psz_str[11];
2982             sprintf( psz_str, " %d  ---", i_title );
2983             result = N_("---  DVD Title");
2984             result += psz_str;
2985         }
2986         else */ if ( p_data[0] == MATROSKA_DVD_LEVEL_LU )
2987         {
2988             char psz_str[11];
2989             sprintf( psz_str, " (%c%c)  ---", p_data[1], p_data[2] );
2990             result = N_("---  DVD Menu");
2991             result += psz_str;
2992         }
2993         else if ( p_data[0] == MATROSKA_DVD_LEVEL_SS && f_for_title )
2994         {
2995             if ( p_data[1] == 0x00 )
2996                 result = N_("First Played");
2997             else if ( p_data[1] == 0xC0 )
2998                 result = N_("Video Manager");
2999             else if ( p_data[1] == 0x80 )
3000             {
3001                 uint16_t i_title = (p_data[2] << 8) + p_data[3];
3002                 char psz_str[20];
3003                 sprintf( psz_str, " %d -----", i_title );
3004                 result = N_("----- Title");
3005                 result += psz_str;
3006             }
3007         }
3008     }
3009
3010     return result;
3011 }
3012
3013 int16 chapter_item_c::GetTitleNumber( ) const
3014 {
3015     int result = -1;
3016
3017     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
3018     while ( index != codecs.end() )
3019     {
3020         result = (*index)->GetTitleNumber( );
3021         if ( result >= 0 )
3022             break;
3023         index++;
3024     }
3025
3026     return result;
3027 }
3028
3029 int16 dvd_chapter_codec_c::GetTitleNumber()
3030 {
3031     if ( p_private_data->GetSize() >= 3)
3032     {
3033         const binary* p_data = p_private_data->GetBuffer();
3034         if ( p_data[0] == MATROSKA_DVD_LEVEL_SS )
3035         {
3036             return int16( (p_data[2] << 8) + p_data[3] );
3037         }
3038     }
3039     return -1;
3040 }
3041
3042 static void Seek( demux_t *p_demux, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter )
3043 {
3044     demux_sys_t        *p_sys = p_demux->p_sys;
3045     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3046     matroska_segment_c *p_segment = p_vsegment->Segment();
3047     mtime_t            i_time_offset = 0;
3048
3049     int         i_index;
3050
3051     msg_Dbg( p_demux, "seek request to "I64Fd" (%f%%)", i_date, f_percent );
3052     if( i_date < 0 && f_percent < 0 )
3053     {
3054         msg_Warn( p_demux, "cannot seek nowhere !" );
3055         return;
3056     }
3057     if( f_percent > 1.0 )
3058     {
3059         msg_Warn( p_demux, "cannot seek so far !" );
3060         return;
3061     }
3062
3063     /* seek without index or without date */
3064     if( f_percent >= 0 && (config_GetInt( p_demux, "mkv-seek-percent" ) || !p_segment->b_cues || i_date < 0 ))
3065     {
3066         if (p_sys->f_duration >= 0)
3067         {
3068             i_date = int64_t( f_percent * p_sys->f_duration * 1000.0 );
3069         }
3070         else
3071         {
3072             int64_t i_pos = int64_t( f_percent * stream_Size( p_demux->s ) );
3073
3074             msg_Dbg( p_demux, "inacurate way of seeking" );
3075             for( i_index = 0; i_index < p_segment->i_index; i_index++ )
3076             {
3077                 if( p_segment->p_indexes[i_index].i_position >= i_pos)
3078                 {
3079                     break;
3080                 }
3081             }
3082             if( i_index == p_segment->i_index )
3083             {
3084                 i_index--;
3085             }
3086
3087             i_date = p_segment->p_indexes[i_index].i_time;
3088
3089 #if 0
3090             if( p_segment->p_indexes[i_index].i_position < i_pos )
3091             {
3092                 EbmlElement *el;
3093
3094                 msg_Warn( p_demux, "searching for cluster, could take some time" );
3095
3096                 /* search a cluster */
3097                 while( ( el = p_sys->ep->Get() ) != NULL )
3098                 {
3099                     if( MKV_IS_ID( el, KaxCluster ) )
3100                     {
3101                         KaxCluster *cluster = (KaxCluster*)el;
3102
3103                         /* add it to the index */
3104                         p_segment->IndexAppendCluster( cluster );
3105
3106                         if( (int64_t)cluster->GetElementPosition() >= i_pos )
3107                         {
3108                             p_sys->cluster = cluster;
3109                             p_sys->ep->Down();
3110                             break;
3111                         }
3112                     }
3113                 }
3114             }
3115 #endif
3116         }
3117     }
3118
3119     p_vsegment->Seek( *p_demux, i_date, i_time_offset, psz_chapter );
3120 }
3121
3122 /*****************************************************************************
3123  * Demux: reads and demuxes data packets
3124  *****************************************************************************
3125  * Returns -1 in case of error, 0 in case of EOF, 1 otherwise
3126  *****************************************************************************/
3127 static int Demux( demux_t *p_demux)
3128 {
3129     demux_sys_t        *p_sys = p_demux->p_sys;
3130
3131     vlc_mutex_lock( &p_sys->lock_demuxer );
3132
3133     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3134     matroska_segment_c *p_segment = p_vsegment->Segment();
3135     if ( p_segment == NULL ) return 0;
3136     int                i_block_count = 0;
3137     int                i_return = 0;
3138
3139     for( ;; )
3140     {
3141         if ( p_sys->demuxer.b_die )
3142             break;
3143
3144         if( p_sys->i_pts >= p_sys->i_start_pts  )
3145             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3146             {
3147                 i_return = 1;
3148                 break;
3149             }
3150
3151         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3152         {
3153             /* nothing left to read in this ordered edition */
3154             if ( !p_vsegment->SelectNext() )
3155                 break;
3156             p_segment->UnSelect( );
3157
3158             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3159
3160             /* switch to the next segment */
3161             p_segment = p_vsegment->Segment();
3162             if ( !p_segment->Select( 0 ) )
3163             {
3164                 msg_Err( p_demux, "Failed to select new segment" );
3165                 break;
3166             }
3167             continue;
3168         }
3169
3170         KaxBlock *block;
3171         int64_t i_block_duration = 0;
3172         int64_t i_block_ref1;
3173         int64_t i_block_ref2;
3174
3175         if( p_segment->BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
3176         {
3177             if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered )
3178             {
3179                 const chapter_item_c *p_chap = p_vsegment->CurrentChapter();
3180                 // check if there are more chapters to read
3181                 if ( p_chap != NULL )
3182                 {
3183                     /* TODO handle successive chapters with the same user_start_time/user_end_time
3184                     if ( p_chap->i_user_start_time == p_chap->i_user_start_time )
3185                         p_vsegment->SelectNext();
3186                     */
3187                     p_sys->i_last_dts = p_sys->i_pts = p_chap->i_user_end_time;
3188                     p_sys->i_pts++; // trick to avoid staying on segments with no duration and no content
3189
3190                     i_return = 1;
3191                 }
3192
3193                 break;
3194             }
3195             else
3196             {
3197                 msg_Warn( p_demux, "cannot get block EOF?" );
3198                 p_segment->UnSelect( );
3199
3200                 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3201
3202                 /* switch to the next segment */
3203                 if ( !p_vsegment->SelectNext() )
3204                     // no more segments in this stream
3205                     break;
3206                 p_segment = p_vsegment->Segment();
3207                 if ( !p_segment->Select( 0 ) )
3208                 {
3209                     msg_Err( p_demux, "Failed to select new segment" );
3210                     break;
3211                 }
3212
3213                 continue;
3214             }
3215         }
3216
3217         mtime_t i_pts, i_dts;
3218
3219         mtime_t i_time = block->GlobalTimecode();
3220         if ( i_block_ref1 != 0 )
3221             i_time += min( 0, i_block_ref1 );
3222         if ( i_block_ref2 != 0 )
3223             i_time += min( 0, i_block_ref2 );
3224
3225         i_pts = (p_sys->i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
3226         i_dts = (p_sys->i_chapter_time + i_time) / (mtime_t) 1000;
3227
3228         if ( i_dts != i_pts && p_sys->i_last_dts >= i_dts )
3229             p_sys->i_last_dts += 200;
3230         else
3231             p_sys->i_last_dts = i_dts;
3232
3233         p_sys->i_pts = i_pts;
3234
3235         if( p_sys->i_pts >= p_sys->i_start_pts  )
3236         {
3237             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pts );
3238         }
3239
3240         if( i_pts >= p_sys->i_start_pts  )
3241             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3242             {
3243                 i_return = 1;
3244                 break;
3245             }
3246
3247         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3248         {
3249             /* nothing left to read in this ordered edition */
3250             if ( !p_vsegment->SelectNext() )
3251                 break;
3252             p_segment->UnSelect( );
3253
3254             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3255
3256             /* switch to the next segment */
3257             p_segment = p_vsegment->Segment();
3258             if ( !p_segment->Select( 0 ) )
3259             {
3260                 msg_Err( p_demux, "Failed to select new segment" );
3261                 break;
3262             }
3263             continue;
3264         }
3265
3266         BlockDecode( p_demux, block, i_pts, i_block_duration );
3267
3268         delete block;
3269         i_block_count++;
3270
3271         // TODO optimize when there is need to leave or when seeking has been called
3272         if( i_block_count > 5 )
3273         {
3274             i_return = 1;
3275             break;
3276         }
3277     }
3278
3279     vlc_mutex_unlock( &p_sys->lock_demuxer );
3280
3281     return i_return;
3282 }
3283
3284
3285
3286 /*****************************************************************************
3287  * Stream managment
3288  *****************************************************************************/
3289 vlc_stream_io_callback::vlc_stream_io_callback( stream_t *s_, vlc_bool_t b_owner_ )
3290 {
3291     s = s_;
3292     b_owner = b_owner_;
3293     mb_eof = VLC_FALSE;
3294 }
3295
3296 uint32 vlc_stream_io_callback::read( void *p_buffer, size_t i_size )
3297 {
3298     if( i_size <= 0 || mb_eof )
3299     {
3300         return 0;
3301     }
3302
3303     return stream_Read( s, p_buffer, i_size );
3304 }
3305 void vlc_stream_io_callback::setFilePointer(int64_t i_offset, seek_mode mode )
3306 {
3307     int64_t i_pos;
3308
3309     switch( mode )
3310     {
3311         case seek_beginning:
3312             i_pos = i_offset;
3313             break;
3314         case seek_end:
3315             i_pos = stream_Size( s ) - i_offset;
3316             break;
3317         default:
3318             i_pos= stream_Tell( s ) + i_offset;
3319             break;
3320     }
3321
3322     if( i_pos < 0 || i_pos >= stream_Size( s ) )
3323     {
3324         mb_eof = VLC_TRUE;
3325         return;
3326     }
3327
3328     mb_eof = VLC_FALSE;
3329     if( stream_Seek( s, i_pos ) )
3330     {
3331         mb_eof = VLC_TRUE;
3332     }
3333     return;
3334 }
3335 size_t vlc_stream_io_callback::write( const void *p_buffer, size_t i_size )
3336 {
3337     return 0;
3338 }
3339 uint64 vlc_stream_io_callback::getFilePointer( void )
3340 {
3341     if ( s == NULL )
3342         return 0;
3343     return stream_Tell( s );
3344 }
3345 void vlc_stream_io_callback::close( void )
3346 {
3347     return;
3348 }
3349
3350
3351 /*****************************************************************************
3352  * Ebml Stream parser
3353  *****************************************************************************/
3354 EbmlParser::EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux )
3355 {
3356     int i;
3357
3358     m_es = es;
3359     m_got = NULL;
3360     m_el[0] = el_start;
3361     mi_remain_size[0] = el_start->GetSize();
3362
3363     for( i = 1; i < 6; i++ )
3364     {
3365         m_el[i] = NULL;
3366     }
3367     mi_level = 1;
3368     mi_user_level = 1;
3369     mb_keep = VLC_FALSE;
3370     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3371 }
3372
3373 EbmlParser::~EbmlParser( void )
3374 {
3375     int i;
3376
3377     for( i = 1; i < mi_level; i++ )
3378     {
3379         if( !mb_keep )
3380         {
3381             delete m_el[i];
3382         }
3383         mb_keep = VLC_FALSE;
3384     }
3385 }
3386
3387 EbmlElement* EbmlParser::UnGet( uint64 i_block_pos, uint64 i_cluster_pos )
3388 {
3389     if ( mi_user_level > mi_level )
3390     {
3391         while ( mi_user_level != mi_level )
3392         {
3393             delete m_el[mi_user_level];
3394             m_el[mi_user_level] = NULL;
3395             mi_user_level--;
3396         }
3397     }
3398     m_got = NULL;
3399     mb_keep = VLC_FALSE;
3400     if ( m_el[1]->GetElementPosition() == i_cluster_pos )
3401     {
3402         m_es->I_O().setFilePointer( i_block_pos, seek_beginning );
3403         return (EbmlMaster*) m_el[1];
3404     }
3405     else
3406     {
3407         // seek to the previous Cluster
3408         m_es->I_O().setFilePointer( i_cluster_pos, seek_beginning );
3409         mi_level--;
3410         mi_user_level--;
3411         delete m_el[mi_level];
3412         m_el[mi_level] = NULL;
3413         return NULL;
3414     }
3415 }
3416
3417 void EbmlParser::Up( void )
3418 {
3419     if( mi_user_level == mi_level )
3420     {
3421         fprintf( stderr," arrrrrrrrrrrrrg Up cannot escape itself\n" );
3422     }
3423
3424     mi_user_level--;
3425 }
3426
3427 void EbmlParser::Down( void )
3428 {
3429     mi_user_level++;
3430     mi_level++;
3431 }
3432
3433 void EbmlParser::Keep( void )
3434 {
3435     mb_keep = VLC_TRUE;
3436 }
3437
3438 int EbmlParser::GetLevel( void )
3439 {
3440     return mi_user_level;
3441 }
3442
3443 void EbmlParser::Reset( demux_t *p_demux )
3444 {
3445     while ( mi_level > 0)
3446     {
3447         delete m_el[mi_level];
3448         m_el[mi_level] = NULL;
3449         mi_level--;
3450     }
3451     mi_user_level = mi_level = 1;
3452 #if LIBEBML_VERSION >= 0x000704
3453     // a little faster and cleaner
3454     m_es->I_O().setFilePointer( static_cast<KaxSegment*>(m_el[0])->GetGlobalPosition(0) );
3455 #else
3456     m_es->I_O().setFilePointer( m_el[0]->GetElementPosition() + m_el[0]->ElementSize(true) - m_el[0]->GetSize() );
3457 #endif
3458     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3459 }
3460
3461 EbmlElement *EbmlParser::Get( void )
3462 {
3463     int i_ulev = 0;
3464
3465     if( mi_user_level != mi_level )
3466     {
3467         return NULL;
3468     }
3469     if( m_got )
3470     {
3471         EbmlElement *ret = m_got;
3472         m_got = NULL;
3473
3474         return ret;
3475     }
3476
3477     if( m_el[mi_level] )
3478     {
3479         m_el[mi_level]->SkipData( *m_es, m_el[mi_level]->Generic().Context );
3480         if( !mb_keep )
3481         {
3482             delete m_el[mi_level];
3483         }
3484         mb_keep = VLC_FALSE;
3485     }
3486
3487     m_el[mi_level] = m_es->FindNextElement( m_el[mi_level - 1]->Generic().Context, i_ulev, 0xFFFFFFFFL, mb_dummy != 0, 1 );
3488 //    mi_remain_size[mi_level] = m_el[mi_level]->GetSize();
3489     if( i_ulev > 0 )
3490     {
3491         while( i_ulev > 0 )
3492         {
3493             if( mi_level == 1 )
3494             {
3495                 mi_level = 0;
3496                 return NULL;
3497             }
3498
3499             delete m_el[mi_level - 1];
3500             m_got = m_el[mi_level -1] = m_el[mi_level];
3501             m_el[mi_level] = NULL;
3502
3503             mi_level--;
3504             i_ulev--;
3505         }
3506         return NULL;
3507     }
3508     else if( m_el[mi_level] == NULL )
3509     {
3510         fprintf( stderr," m_el[mi_level] == NULL\n" );
3511     }
3512
3513     return m_el[mi_level];
3514 }
3515
3516
3517 /*****************************************************************************
3518  * Tools
3519  *  * LoadCues : load the cues element and update index
3520  *
3521  *  * LoadTags : load ... the tags element
3522  *
3523  *  * InformationCreate : create all information, load tags if present
3524  *
3525  *****************************************************************************/
3526 void matroska_segment_c::LoadCues( )
3527 {
3528     int64_t     i_sav_position = es.I_O().getFilePointer();
3529     EbmlParser  *ep;
3530     EbmlElement *el, *cues;
3531
3532     /* *** Load the cue if found *** */
3533     if( i_cues_position < 0 )
3534     {
3535         msg_Warn( &sys.demuxer, "no cues/empty cues found->seek won't be precise" );
3536
3537 //        IndexAppendCluster( cluster );
3538     }
3539
3540     vlc_bool_t b_seekable;
3541
3542     stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
3543     if( !b_seekable )
3544         return;
3545
3546     msg_Dbg( &sys.demuxer, "loading cues" );
3547     es.I_O().setFilePointer( i_cues_position, seek_beginning );
3548     cues = es.FindNextID( KaxCues::ClassInfos, 0xFFFFFFFFL);
3549
3550     if( cues == NULL )
3551     {
3552         msg_Err( &sys.demuxer, "cannot load cues (broken seekhead or file)" );
3553         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3554         return;
3555     }
3556
3557     ep = new EbmlParser( &es, cues, &sys.demuxer );
3558     while( ( el = ep->Get() ) != NULL )
3559     {
3560         if( MKV_IS_ID( el, KaxCuePoint ) )
3561         {
3562 #define idx p_indexes[i_index]
3563
3564             idx.i_track       = -1;
3565             idx.i_block_number= -1;
3566             idx.i_position    = -1;
3567             idx.i_time        = 0;
3568             idx.b_key         = VLC_TRUE;
3569
3570             ep->Down();
3571             while( ( el = ep->Get() ) != NULL )
3572             {
3573                 if( MKV_IS_ID( el, KaxCueTime ) )
3574                 {
3575                     KaxCueTime &ctime = *(KaxCueTime*)el;
3576
3577                     ctime.ReadData( es.I_O() );
3578
3579                     idx.i_time = uint64( ctime ) * i_timescale / (mtime_t)1000;
3580                 }
3581                 else if( MKV_IS_ID( el, KaxCueTrackPositions ) )
3582                 {
3583                     ep->Down();
3584                     while( ( el = ep->Get() ) != NULL )
3585                     {
3586                         if( MKV_IS_ID( el, KaxCueTrack ) )
3587                         {
3588                             KaxCueTrack &ctrack = *(KaxCueTrack*)el;
3589
3590                             ctrack.ReadData( es.I_O() );
3591                             idx.i_track = uint16( ctrack );
3592                         }
3593                         else if( MKV_IS_ID( el, KaxCueClusterPosition ) )
3594                         {
3595                             KaxCueClusterPosition &ccpos = *(KaxCueClusterPosition*)el;
3596
3597                             ccpos.ReadData( es.I_O() );
3598                             idx.i_position = segment->GetGlobalPosition( uint64( ccpos ) );
3599                         }
3600                         else if( MKV_IS_ID( el, KaxCueBlockNumber ) )
3601                         {
3602                             KaxCueBlockNumber &cbnum = *(KaxCueBlockNumber*)el;
3603
3604                             cbnum.ReadData( es.I_O() );
3605                             idx.i_block_number = uint32( cbnum );
3606                         }
3607                         else
3608                         {
3609                             msg_Dbg( &sys.demuxer, "         * Unknown (%s)", typeid(*el).name() );
3610                         }
3611                     }
3612                     ep->Up();
3613                 }
3614                 else
3615                 {
3616                     msg_Dbg( &sys.demuxer, "     * Unknown (%s)", typeid(*el).name() );
3617                 }
3618             }
3619             ep->Up();
3620
3621 #if 0
3622             msg_Dbg( &sys.demuxer, " * added time="I64Fd" pos="I64Fd
3623                      " track=%d bnum=%d", idx.i_time, idx.i_position,
3624                      idx.i_track, idx.i_block_number );
3625 #endif
3626
3627             i_index++;
3628             if( i_index >= i_index_max )
3629             {
3630                 i_index_max += 1024;
3631                 p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
3632             }
3633 #undef idx
3634         }
3635         else
3636         {
3637             msg_Dbg( &sys.demuxer, " * Unknown (%s)", typeid(*el).name() );
3638         }
3639     }
3640     delete ep;
3641     delete cues;
3642
3643     b_cues = VLC_TRUE;
3644
3645     msg_Dbg( &sys.demuxer, "loading cues done." );
3646     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3647 }
3648
3649 void matroska_segment_c::LoadTags( )
3650 {
3651     int64_t     i_sav_position = es.I_O().getFilePointer();
3652     EbmlParser  *ep;
3653     EbmlElement *el, *tags;
3654
3655     msg_Dbg( &sys.demuxer, "loading tags" );
3656     es.I_O().setFilePointer( i_tags_position, seek_beginning );
3657     tags = es.FindNextID( KaxTags::ClassInfos, 0xFFFFFFFFL);
3658
3659     if( tags == NULL )
3660     {
3661         msg_Err( &sys.demuxer, "cannot load tags (broken seekhead or file)" );
3662         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3663         return;
3664     }
3665
3666     msg_Dbg( &sys.demuxer, "Tags" );
3667     ep = new EbmlParser( &es, tags, &sys.demuxer );
3668     while( ( el = ep->Get() ) != NULL )
3669     {
3670         if( MKV_IS_ID( el, KaxTag ) )
3671         {
3672             msg_Dbg( &sys.demuxer, "+ Tag" );
3673             ep->Down();
3674             while( ( el = ep->Get() ) != NULL )
3675             {
3676                 if( MKV_IS_ID( el, KaxTagTargets ) )
3677                 {
3678                     msg_Dbg( &sys.demuxer, "|   + Targets" );
3679                     ep->Down();
3680                     while( ( el = ep->Get() ) != NULL )
3681                     {
3682                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3683                     }
3684                     ep->Up();
3685                 }
3686                 else if( MKV_IS_ID( el, KaxTagGeneral ) )
3687                 {
3688                     msg_Dbg( &sys.demuxer, "|   + General" );
3689                     ep->Down();
3690                     while( ( el = ep->Get() ) != NULL )
3691                     {
3692                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3693                     }
3694                     ep->Up();
3695                 }
3696                 else if( MKV_IS_ID( el, KaxTagGenres ) )
3697                 {
3698                     msg_Dbg( &sys.demuxer, "|   + Genres" );
3699                     ep->Down();
3700                     while( ( el = ep->Get() ) != NULL )
3701                     {
3702                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3703                     }
3704                     ep->Up();
3705                 }
3706                 else if( MKV_IS_ID( el, KaxTagAudioSpecific ) )
3707                 {
3708                     msg_Dbg( &sys.demuxer, "|   + Audio Specific" );
3709                     ep->Down();
3710                     while( ( el = ep->Get() ) != NULL )
3711                     {
3712                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3713                     }
3714                     ep->Up();
3715                 }
3716                 else if( MKV_IS_ID( el, KaxTagImageSpecific ) )
3717                 {
3718                     msg_Dbg( &sys.demuxer, "|   + Images Specific" );
3719                     ep->Down();
3720                     while( ( el = ep->Get() ) != NULL )
3721                     {
3722                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3723                     }
3724                     ep->Up();
3725                 }
3726                 else if( MKV_IS_ID( el, KaxTagMultiComment ) )
3727                 {
3728                     msg_Dbg( &sys.demuxer, "|   + Multi Comment" );
3729                 }
3730                 else if( MKV_IS_ID( el, KaxTagMultiCommercial ) )
3731                 {
3732                     msg_Dbg( &sys.demuxer, "|   + Multi Commercial" );
3733                 }
3734                 else if( MKV_IS_ID( el, KaxTagMultiDate ) )
3735                 {
3736                     msg_Dbg( &sys.demuxer, "|   + Multi Date" );
3737                 }
3738                 else if( MKV_IS_ID( el, KaxTagMultiEntity ) )
3739                 {
3740                     msg_Dbg( &sys.demuxer, "|   + Multi Entity" );
3741                 }
3742                 else if( MKV_IS_ID( el, KaxTagMultiIdentifier ) )
3743                 {
3744                     msg_Dbg( &sys.demuxer, "|   + Multi Identifier" );
3745                 }
3746                 else if( MKV_IS_ID( el, KaxTagMultiLegal ) )
3747                 {
3748                     msg_Dbg( &sys.demuxer, "|   + Multi Legal" );
3749                 }
3750                 else if( MKV_IS_ID( el, KaxTagMultiTitle ) )
3751                 {
3752                     msg_Dbg( &sys.demuxer, "|   + Multi Title" );
3753                 }
3754                 else
3755                 {
3756                     msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid( *el ).name() );
3757                 }
3758             }
3759             ep->Up();
3760         }
3761         else
3762         {
3763             msg_Dbg( &sys.demuxer, "+ Unknown (%s)", typeid( *el ).name() );
3764         }
3765     }
3766     delete ep;
3767     delete tags;
3768
3769     msg_Dbg( &sys.demuxer, "loading tags done." );
3770     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3771 }
3772
3773 /*****************************************************************************
3774  * ParseSeekHead:
3775  *****************************************************************************/
3776 void matroska_segment_c::ParseSeekHead( KaxSeekHead *seekhead )
3777 {
3778     EbmlElement *el;
3779     size_t i, j;
3780     int i_upper_level = 0;
3781
3782     msg_Dbg( &sys.demuxer, "|   + Seek head" );
3783
3784     /* Master elements */
3785     seekhead->Read( es, seekhead->Generic().Context, i_upper_level, el, true );
3786
3787     for( i = 0; i < seekhead->ListSize(); i++ )
3788     {
3789         EbmlElement *l = (*seekhead)[i];
3790
3791         if( MKV_IS_ID( l, KaxSeek ) )
3792         {
3793             EbmlMaster *sk = static_cast<EbmlMaster *>(l);
3794             EbmlId id = EbmlVoid::ClassInfos.GlobalId;
3795             int64_t i_pos = -1;
3796
3797             for( j = 0; j < sk->ListSize(); j++ )
3798             {
3799                 EbmlElement *l = (*sk)[j];
3800
3801                 if( MKV_IS_ID( l, KaxSeekID ) )
3802                 {
3803                     KaxSeekID &sid = *(KaxSeekID*)l;
3804                     id = EbmlId( sid.GetBuffer(), sid.GetSize() );
3805                 }
3806                 else if( MKV_IS_ID( l, KaxSeekPosition ) )
3807                 {
3808                     KaxSeekPosition &spos = *(KaxSeekPosition*)l;
3809                     i_pos = uint64( spos );
3810                 }
3811                 else
3812                 {
3813                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
3814                 }
3815             }
3816
3817             if( i_pos >= 0 )
3818             {
3819                 if( id == KaxCues::ClassInfos.GlobalId )
3820                 {
3821                     msg_Dbg( &sys.demuxer, "|   |   |   = cues at "I64Fd, i_pos );
3822                     i_cues_position = segment->GetGlobalPosition( i_pos );
3823                 }
3824                 else if( id == KaxChapters::ClassInfos.GlobalId )
3825                 {
3826                     msg_Dbg( &sys.demuxer, "|   |   |   = chapters at "I64Fd, i_pos );
3827                     i_chapters_position = segment->GetGlobalPosition( i_pos );
3828                 }
3829                 else if( id == KaxTags::ClassInfos.GlobalId )
3830                 {
3831                     msg_Dbg( &sys.demuxer, "|   |   |   = tags at "I64Fd, i_pos );
3832                     i_tags_position = segment->GetGlobalPosition( i_pos );
3833                 }
3834             }
3835         }
3836         else
3837         {
3838             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
3839         }
3840     }
3841 }
3842
3843 /*****************************************************************************
3844  * ParseTrackEntry:
3845  *****************************************************************************/
3846 void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
3847 {
3848     size_t i, j, k, n;
3849
3850     mkv_track_t *tk;
3851
3852     msg_Dbg( &sys.demuxer, "|   |   + Track Entry" );
3853
3854     tk = new mkv_track_t();
3855     tracks.push_back( tk );
3856
3857     /* Init the track */
3858     memset( tk, 0, sizeof( mkv_track_t ) );
3859
3860     es_format_Init( &tk->fmt, UNKNOWN_ES, 0 );
3861     tk->fmt.psz_language = strdup("English");
3862     tk->fmt.psz_description = NULL;
3863
3864     tk->b_default = VLC_TRUE;
3865     tk->b_enabled = VLC_TRUE;
3866     tk->b_silent = VLC_FALSE;
3867     tk->i_number = tracks.size() - 1;
3868     tk->i_extra_data = 0;
3869     tk->p_extra_data = NULL;
3870     tk->psz_codec = NULL;
3871     tk->i_default_duration = 0;
3872     tk->f_timecodescale = 1.0;
3873
3874     tk->b_inited = VLC_FALSE;
3875     tk->i_data_init = 0;
3876     tk->p_data_init = NULL;
3877
3878     tk->psz_codec_name = NULL;
3879     tk->psz_codec_settings = NULL;
3880     tk->psz_codec_info_url = NULL;
3881     tk->psz_codec_download_url = NULL;
3882
3883     tk->i_compression_type = MATROSKA_COMPRESSION_NONE;
3884
3885     for( i = 0; i < m->ListSize(); i++ )
3886     {
3887         EbmlElement *l = (*m)[i];
3888
3889         if( MKV_IS_ID( l, KaxTrackNumber ) )
3890         {
3891             KaxTrackNumber &tnum = *(KaxTrackNumber*)l;
3892
3893             tk->i_number = uint32( tnum );
3894             msg_Dbg( &sys.demuxer, "|   |   |   + Track Number=%u", uint32( tnum ) );
3895         }
3896         else  if( MKV_IS_ID( l, KaxTrackUID ) )
3897         {
3898             KaxTrackUID &tuid = *(KaxTrackUID*)l;
3899
3900             msg_Dbg( &sys.demuxer, "|   |   |   + Track UID=%u",  uint32( tuid ) );
3901         }
3902         else  if( MKV_IS_ID( l, KaxTrackType ) )
3903         {
3904             char *psz_type;
3905             KaxTrackType &ttype = *(KaxTrackType*)l;
3906
3907             switch( uint8(ttype) )
3908             {
3909                 case track_audio:
3910                     psz_type = "audio";
3911                     tk->fmt.i_cat = AUDIO_ES;
3912                     break;
3913                 case track_video:
3914                     psz_type = "video";
3915                     tk->fmt.i_cat = VIDEO_ES;
3916                     break;
3917                 case track_subtitle:
3918                     psz_type = "subtitle";
3919                     tk->fmt.i_cat = SPU_ES;
3920                     break;
3921                 case track_buttons:
3922                     psz_type = "buttons";
3923                     tk->fmt.i_cat = SPU_ES;
3924                     break;
3925                 default:
3926                     psz_type = "unknown";
3927                     tk->fmt.i_cat = UNKNOWN_ES;
3928                     break;
3929             }
3930
3931             msg_Dbg( &sys.demuxer, "|   |   |   + Track Type=%s", psz_type );
3932         }
3933 //        else  if( EbmlId( *l ) == KaxTrackFlagEnabled::ClassInfos.GlobalId )
3934 //        {
3935 //            KaxTrackFlagEnabled &fenb = *(KaxTrackFlagEnabled*)l;
3936
3937 //            tk->b_enabled = uint32( fenb );
3938 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Enabled=%u",
3939 //                     uint32( fenb )  );
3940 //        }
3941         else  if( MKV_IS_ID( l, KaxTrackFlagDefault ) )
3942         {
3943             KaxTrackFlagDefault &fdef = *(KaxTrackFlagDefault*)l;
3944
3945             tk->b_default = uint32( fdef );
3946             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default=%u", uint32( fdef )  );
3947         }
3948         else  if( MKV_IS_ID( l, KaxTrackFlagLacing ) )
3949         {
3950             KaxTrackFlagLacing &lac = *(KaxTrackFlagLacing*)l;
3951
3952             msg_Dbg( &sys.demuxer, "|   |   |   + Track Lacing=%d", uint32( lac ) );
3953         }
3954         else  if( MKV_IS_ID( l, KaxTrackMinCache ) )
3955         {
3956             KaxTrackMinCache &cmin = *(KaxTrackMinCache*)l;
3957
3958             msg_Dbg( &sys.demuxer, "|   |   |   + Track MinCache=%d", uint32( cmin ) );
3959         }
3960         else  if( MKV_IS_ID( l, KaxTrackMaxCache ) )
3961         {
3962             KaxTrackMaxCache &cmax = *(KaxTrackMaxCache*)l;
3963
3964             msg_Dbg( &sys.demuxer, "|   |   |   + Track MaxCache=%d", uint32( cmax ) );
3965         }
3966         else  if( MKV_IS_ID( l, KaxTrackDefaultDuration ) )
3967         {
3968             KaxTrackDefaultDuration &defd = *(KaxTrackDefaultDuration*)l;
3969
3970             tk->i_default_duration = uint64(defd);
3971             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default Duration="I64Fd, uint64(defd) );
3972         }
3973         else  if( MKV_IS_ID( l, KaxTrackTimecodeScale ) )
3974         {
3975             KaxTrackTimecodeScale &ttcs = *(KaxTrackTimecodeScale*)l;
3976
3977             tk->f_timecodescale = float( ttcs );
3978             msg_Dbg( &sys.demuxer, "|   |   |   + Track TimeCodeScale=%f", tk->f_timecodescale );
3979         }
3980         else if( MKV_IS_ID( l, KaxTrackName ) )
3981         {
3982             KaxTrackName &tname = *(KaxTrackName*)l;
3983
3984             tk->fmt.psz_description = ToUTF8( UTFstring( tname ) );
3985             msg_Dbg( &sys.demuxer, "|   |   |   + Track Name=%s", tk->fmt.psz_description );
3986         }
3987         else  if( MKV_IS_ID( l, KaxTrackLanguage ) )
3988         {
3989             KaxTrackLanguage &lang = *(KaxTrackLanguage*)l;
3990
3991             tk->fmt.psz_language = strdup( string( lang ).c_str() );
3992             msg_Dbg( &sys.demuxer,
3993                      "|   |   |   + Track Language=`%s'", tk->fmt.psz_language );
3994         }
3995         else  if( MKV_IS_ID( l, KaxCodecID ) )
3996         {
3997             KaxCodecID &codecid = *(KaxCodecID*)l;
3998
3999             tk->psz_codec = strdup( string( codecid ).c_str() );
4000             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecId=%s", string( codecid ).c_str() );
4001         }
4002         else  if( MKV_IS_ID( l, KaxCodecPrivate ) )
4003         {
4004             KaxCodecPrivate &cpriv = *(KaxCodecPrivate*)l;
4005
4006             tk->i_extra_data = cpriv.GetSize();
4007             if( tk->i_extra_data > 0 )
4008             {
4009                 tk->p_extra_data = (uint8_t*)malloc( tk->i_extra_data );
4010                 memcpy( tk->p_extra_data, cpriv.GetBuffer(), tk->i_extra_data );
4011             }
4012             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecPrivate size="I64Fd, cpriv.GetSize() );
4013         }
4014         else if( MKV_IS_ID( l, KaxCodecName ) )
4015         {
4016             KaxCodecName &cname = *(KaxCodecName*)l;
4017
4018             tk->psz_codec_name = ToUTF8( UTFstring( cname ) );
4019             msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Name=%s", tk->psz_codec_name );
4020         }
4021         else if( MKV_IS_ID( l, KaxContentEncodings ) )
4022         {
4023             EbmlMaster *cencs = static_cast<EbmlMaster*>(l);
4024             MkvTree( sys.demuxer, 3, "Content Encodings" );
4025             for( j = 0; j < cencs->ListSize(); j++ )
4026             {
4027                 EbmlElement *l2 = (*cencs)[j];
4028                 if( MKV_IS_ID( l2, KaxContentEncoding ) )
4029                 {
4030                     MkvTree( sys.demuxer, 4, "Content Encoding" );
4031                     EbmlMaster *cenc = static_cast<EbmlMaster*>(l2);
4032                     for( k = 0; k < cenc->ListSize(); k++ )
4033                     {
4034                         EbmlElement *l3 = (*cenc)[k];
4035                         if( MKV_IS_ID( l3, KaxContentEncodingOrder ) )
4036                         {
4037                             KaxContentEncodingOrder &encord = *(KaxContentEncodingOrder*)l3;
4038                             MkvTree( sys.demuxer, 5, "Order: %i", uint32( encord ) );
4039                         }
4040                         else if( MKV_IS_ID( l3, KaxContentEncodingScope ) )
4041                         {
4042                             KaxContentEncodingScope &encscope = *(KaxContentEncodingScope*)l3;
4043                             MkvTree( sys.demuxer, 5, "Scope: %i", uint32( encscope ) );
4044                         }
4045                         else if( MKV_IS_ID( l3, KaxContentEncodingType ) )
4046                         {
4047                             KaxContentEncodingType &enctype = *(KaxContentEncodingType*)l3;
4048                             MkvTree( sys.demuxer, 5, "Type: %i", uint32( enctype ) );
4049                         }
4050                         else if( MKV_IS_ID( l3, KaxContentCompression ) )
4051                         {
4052                             EbmlMaster *compr = static_cast<EbmlMaster*>(l3);
4053                             MkvTree( sys.demuxer, 5, "Content Compression" );
4054                             for( n = 0; n < compr->ListSize(); n++ )
4055                             {
4056                                 EbmlElement *l4 = (*compr)[n];
4057                                 if( MKV_IS_ID( l4, KaxContentCompAlgo ) )
4058                                 {
4059                                     KaxContentCompAlgo &compalg = *(KaxContentCompAlgo*)l4;
4060                                     MkvTree( sys.demuxer, 6, "Compression Algorithm: %i", uint32(compalg) );
4061                                     if( uint32( compalg ) == 0 )
4062                                     {
4063                                         tk->i_compression_type = MATROSKA_COMPRESSION_ZLIB;
4064                                     }
4065                                 }
4066                                 else
4067                                 {
4068                                     MkvTree( sys.demuxer, 6, "Unknown (%s)", typeid(*l4).name() );
4069                                 }
4070                             }
4071                         }
4072
4073                         else
4074                         {
4075                             MkvTree( sys.demuxer, 5, "Unknown (%s)", typeid(*l3).name() );
4076                         }
4077                     }
4078
4079                 }
4080                 else
4081                 {
4082                     MkvTree( sys.demuxer, 4, "Unknown (%s)", typeid(*l2).name() );
4083                 }
4084             }
4085
4086         }
4087 //        else if( EbmlId( *l ) == KaxCodecSettings::ClassInfos.GlobalId )
4088 //        {
4089 //            KaxCodecSettings &cset = *(KaxCodecSettings*)l;
4090
4091 //            tk->psz_codec_settings = ToUTF8( UTFstring( cset ) );
4092 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Settings=%s", tk->psz_codec_settings );
4093 //        }
4094 //        else if( EbmlId( *l ) == KaxCodecInfoURL::ClassInfos.GlobalId )
4095 //        {
4096 //            KaxCodecInfoURL &ciurl = *(KaxCodecInfoURL*)l;
4097
4098 //            tk->psz_codec_info_url = strdup( string( ciurl ).c_str() );
4099 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_info_url );
4100 //        }
4101 //        else if( EbmlId( *l ) == KaxCodecDownloadURL::ClassInfos.GlobalId )
4102 //        {
4103 //            KaxCodecDownloadURL &cdurl = *(KaxCodecDownloadURL*)l;
4104
4105 //            tk->psz_codec_download_url = strdup( string( cdurl ).c_str() );
4106 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_download_url );
4107 //        }
4108 //        else if( EbmlId( *l ) == KaxCodecDecodeAll::ClassInfos.GlobalId )
4109 //        {
4110 //            KaxCodecDecodeAll &cdall = *(KaxCodecDecodeAll*)l;
4111
4112 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Decode All=%u <== UNUSED", uint8( cdall ) );
4113 //        }
4114 //        else if( EbmlId( *l ) == KaxTrackOverlay::ClassInfos.GlobalId )
4115 //        {
4116 //            KaxTrackOverlay &tovr = *(KaxTrackOverlay*)l;
4117
4118 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Overlay=%u <== UNUSED", uint32( tovr ) );
4119 //        }
4120         else  if( MKV_IS_ID( l, KaxTrackVideo ) )
4121         {
4122             EbmlMaster *tkv = static_cast<EbmlMaster*>(l);
4123             unsigned int j;
4124
4125             msg_Dbg( &sys.demuxer, "|   |   |   + Track Video" );
4126             tk->f_fps = 0.0;
4127
4128             tk->fmt.video.i_frame_rate_base = (unsigned int)(tk->i_default_duration / 1000);
4129             tk->fmt.video.i_frame_rate = 1000000;
4130
4131             for( j = 0; j < tkv->ListSize(); j++ )
4132             {
4133                 EbmlElement *l = (*tkv)[j];
4134 //                if( EbmlId( *el4 ) == KaxVideoFlagInterlaced::ClassInfos.GlobalId )
4135 //                {
4136 //                    KaxVideoFlagInterlaced &fint = *(KaxVideoFlagInterlaced*)el4;
4137
4138 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Interlaced=%u", uint8( fint ) );
4139 //                }
4140 //                else if( EbmlId( *el4 ) == KaxVideoStereoMode::ClassInfos.GlobalId )
4141 //                {
4142 //                    KaxVideoStereoMode &stereo = *(KaxVideoStereoMode*)el4;
4143
4144 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Stereo Mode=%u", uint8( stereo ) );
4145 //                }
4146 //                else
4147                 if( MKV_IS_ID( l, KaxVideoPixelWidth ) )
4148                 {
4149                     KaxVideoPixelWidth &vwidth = *(KaxVideoPixelWidth*)l;
4150
4151                     tk->fmt.video.i_width = uint16( vwidth );
4152                     msg_Dbg( &sys.demuxer, "|   |   |   |   + width=%d", uint16( vwidth ) );
4153                 }
4154                 else if( MKV_IS_ID( l, KaxVideoPixelHeight ) )
4155                 {
4156                     KaxVideoPixelWidth &vheight = *(KaxVideoPixelWidth*)l;
4157
4158                     tk->fmt.video.i_height = uint16( vheight );
4159                     msg_Dbg( &sys.demuxer, "|   |   |   |   + height=%d", uint16( vheight ) );
4160                 }
4161                 else if( MKV_IS_ID( l, KaxVideoDisplayWidth ) )
4162                 {
4163                     KaxVideoDisplayWidth &vwidth = *(KaxVideoDisplayWidth*)l;
4164
4165                     tk->fmt.video.i_visible_width = uint16( vwidth );
4166                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display width=%d", uint16( vwidth ) );
4167                 }
4168                 else if( MKV_IS_ID( l, KaxVideoDisplayHeight ) )
4169                 {
4170                     KaxVideoDisplayWidth &vheight = *(KaxVideoDisplayWidth*)l;
4171
4172                     tk->fmt.video.i_visible_height = uint16( vheight );
4173                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display height=%d", uint16( vheight ) );
4174                 }
4175                 else if( MKV_IS_ID( l, KaxVideoFrameRate ) )
4176                 {
4177                     KaxVideoFrameRate &vfps = *(KaxVideoFrameRate*)l;
4178
4179                     tk->f_fps = float( vfps );
4180                     msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( vfps ) );
4181                 }
4182 //                else if( EbmlId( *l ) == KaxVideoDisplayUnit::ClassInfos.GlobalId )
4183 //                {
4184 //                     KaxVideoDisplayUnit &vdmode = *(KaxVideoDisplayUnit*)l;
4185
4186 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Display Unit=%s",
4187 //                             uint8( vdmode ) == 0 ? "pixels" : ( uint8( vdmode ) == 1 ? "centimeters": "inches" ) );
4188 //                }
4189 //                else if( EbmlId( *l ) == KaxVideoAspectRatio::ClassInfos.GlobalId )
4190 //                {
4191 //                    KaxVideoAspectRatio &ratio = *(KaxVideoAspectRatio*)l;
4192
4193 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + Track Video Aspect Ratio Type=%u", uint8( ratio ) );
4194 //                }
4195 //                else if( EbmlId( *l ) == KaxVideoGamma::ClassInfos.GlobalId )
4196 //                {
4197 //                    KaxVideoGamma &gamma = *(KaxVideoGamma*)l;
4198
4199 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( gamma ) );
4200 //                }
4201                 else
4202                 {
4203                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4204                 }
4205             }
4206             if ( tk->fmt.video.i_visible_height && tk->fmt.video.i_visible_width )
4207                 tk->fmt.video.i_aspect = VOUT_ASPECT_FACTOR * tk->fmt.video.i_visible_width / tk->fmt.video.i_visible_height;
4208         }
4209         else  if( MKV_IS_ID( l, KaxTrackAudio ) )
4210         {
4211             EbmlMaster *tka = static_cast<EbmlMaster*>(l);
4212             unsigned int j;
4213
4214             msg_Dbg( &sys.demuxer, "|   |   |   + Track Audio" );
4215
4216             for( j = 0; j < tka->ListSize(); j++ )
4217             {
4218                 EbmlElement *l = (*tka)[j];
4219
4220                 if( MKV_IS_ID( l, KaxAudioSamplingFreq ) )
4221                 {
4222                     KaxAudioSamplingFreq &afreq = *(KaxAudioSamplingFreq*)l;
4223
4224                     tk->fmt.audio.i_rate = (int)float( afreq );
4225                     msg_Dbg( &sys.demuxer, "|   |   |   |   + afreq=%d", tk->fmt.audio.i_rate );
4226                 }
4227                 else if( MKV_IS_ID( l, KaxAudioChannels ) )
4228                 {
4229                     KaxAudioChannels &achan = *(KaxAudioChannels*)l;
4230
4231                     tk->fmt.audio.i_channels = uint8( achan );
4232                     msg_Dbg( &sys.demuxer, "|   |   |   |   + achan=%u", uint8( achan ) );
4233                 }
4234                 else if( MKV_IS_ID( l, KaxAudioBitDepth ) )
4235                 {
4236                     KaxAudioBitDepth &abits = *(KaxAudioBitDepth*)l;
4237
4238                     tk->fmt.audio.i_bitspersample = uint8( abits );
4239                     msg_Dbg( &sys.demuxer, "|   |   |   |   + abits=%u", uint8( abits ) );
4240                 }
4241                 else
4242                 {
4243                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4244                 }
4245             }
4246         }
4247         else
4248         {
4249             msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)",
4250                      typeid(*l).name() );
4251         }
4252     }
4253 }
4254
4255 /*****************************************************************************
4256  * ParseTracks:
4257  *****************************************************************************/
4258 void matroska_segment_c::ParseTracks( KaxTracks *tracks )
4259 {
4260     EbmlElement *el;
4261     unsigned int i;
4262     int i_upper_level = 0;
4263
4264     msg_Dbg( &sys.demuxer, "|   + Tracks" );
4265
4266     /* Master elements */
4267     tracks->Read( es, tracks->Generic().Context, i_upper_level, el, true );
4268
4269     for( i = 0; i < tracks->ListSize(); i++ )
4270     {
4271         EbmlElement *l = (*tracks)[i];
4272
4273         if( MKV_IS_ID( l, KaxTrackEntry ) )
4274         {
4275             ParseTrackEntry( static_cast<KaxTrackEntry *>(l) );
4276         }
4277         else
4278         {
4279             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4280         }
4281     }
4282 }
4283
4284 /*****************************************************************************
4285  * ParseInfo:
4286  *****************************************************************************/
4287 void matroska_segment_c::ParseInfo( KaxInfo *info )
4288 {
4289     EbmlElement *el;
4290     EbmlMaster  *m;
4291     size_t i, j;
4292     int i_upper_level = 0;
4293
4294     msg_Dbg( &sys.demuxer, "|   + Information" );
4295
4296     /* Master elements */
4297     m = static_cast<EbmlMaster *>(info);
4298     m->Read( es, info->Generic().Context, i_upper_level, el, true );
4299
4300     for( i = 0; i < m->ListSize(); i++ )
4301     {
4302         EbmlElement *l = (*m)[i];
4303
4304         if( MKV_IS_ID( l, KaxSegmentUID ) )
4305         {
4306             p_segment_uid = new KaxSegmentUID(*static_cast<KaxSegmentUID*>(l));
4307
4308             msg_Dbg( &sys.demuxer, "|   |   + UID=%d", *(uint32*)p_segment_uid->GetBuffer() );
4309         }
4310         else if( MKV_IS_ID( l, KaxPrevUID ) )
4311         {
4312             p_prev_segment_uid = new KaxPrevUID(*static_cast<KaxPrevUID*>(l));
4313
4314             msg_Dbg( &sys.demuxer, "|   |   + PrevUID=%d", *(uint32*)p_prev_segment_uid->GetBuffer() );
4315         }
4316         else if( MKV_IS_ID( l, KaxNextUID ) )
4317         {
4318             p_next_segment_uid = new KaxNextUID(*static_cast<KaxNextUID*>(l));
4319
4320             msg_Dbg( &sys.demuxer, "|   |   + NextUID=%d", *(uint32*)p_next_segment_uid->GetBuffer() );
4321         }
4322         else if( MKV_IS_ID( l, KaxTimecodeScale ) )
4323         {
4324             KaxTimecodeScale &tcs = *(KaxTimecodeScale*)l;
4325
4326             i_timescale = uint64(tcs);
4327
4328             msg_Dbg( &sys.demuxer, "|   |   + TimecodeScale="I64Fd,
4329                      i_timescale );
4330         }
4331         else if( MKV_IS_ID( l, KaxDuration ) )
4332         {
4333             KaxDuration &dur = *(KaxDuration*)l;
4334
4335             i_duration = mtime_t( double( dur ) );
4336
4337             msg_Dbg( &sys.demuxer, "|   |   + Duration="I64Fd,
4338                      i_duration );
4339         }
4340         else if( MKV_IS_ID( l, KaxMuxingApp ) )
4341         {
4342             KaxMuxingApp &mapp = *(KaxMuxingApp*)l;
4343
4344             psz_muxing_application = ToUTF8( UTFstring( mapp ) );
4345
4346             msg_Dbg( &sys.demuxer, "|   |   + Muxing Application=%s",
4347                      psz_muxing_application );
4348         }
4349         else if( MKV_IS_ID( l, KaxWritingApp ) )
4350         {
4351             KaxWritingApp &wapp = *(KaxWritingApp*)l;
4352
4353             psz_writing_application = ToUTF8( UTFstring( wapp ) );
4354
4355             msg_Dbg( &sys.demuxer, "|   |   + Writing Application=%s",
4356                      psz_writing_application );
4357         }
4358         else if( MKV_IS_ID( l, KaxSegmentFilename ) )
4359         {
4360             KaxSegmentFilename &sfn = *(KaxSegmentFilename*)l;
4361
4362             psz_segment_filename = ToUTF8( UTFstring( sfn ) );
4363
4364             msg_Dbg( &sys.demuxer, "|   |   + Segment Filename=%s",
4365                      psz_segment_filename );
4366         }
4367         else if( MKV_IS_ID( l, KaxTitle ) )
4368         {
4369             KaxTitle &title = *(KaxTitle*)l;
4370
4371             psz_title = ToUTF8( UTFstring( title ) );
4372
4373             msg_Dbg( &sys.demuxer, "|   |   + Title=%s", psz_title );
4374         }
4375         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
4376         {
4377             KaxSegmentFamily *uid = static_cast<KaxSegmentFamily*>(l);
4378
4379             families.push_back(*uid);
4380
4381             msg_Dbg( &sys.demuxer, "|   |   + family=%d", *(uint32*)uid->GetBuffer() );
4382         }
4383 #if defined( HAVE_GMTIME_R ) && !defined( SYS_DARWIN )
4384         else if( MKV_IS_ID( l, KaxDateUTC ) )
4385         {
4386             KaxDateUTC &date = *(KaxDateUTC*)l;
4387             time_t i_date;
4388             struct tm tmres;
4389             char   buffer[256];
4390
4391             i_date = date.GetEpochDate();
4392             memset( buffer, 0, 256 );
4393             if( gmtime_r( &i_date, &tmres ) &&
4394                 asctime_r( &tmres, buffer ) )
4395             {
4396                 buffer[strlen( buffer)-1]= '\0';
4397                 psz_date_utc = strdup( buffer );
4398                 msg_Dbg( &sys.demuxer, "|   |   + Date=%s", psz_date_utc );
4399             }
4400         }
4401 #endif
4402 #if LIBMATROSKA_VERSION >= 0x000704
4403         else if( MKV_IS_ID( l, KaxChapterTranslate ) )
4404         {
4405             KaxChapterTranslate *p_trans = static_cast<KaxChapterTranslate*>( l );
4406             chapter_translation_c *p_translate = new chapter_translation_c();
4407
4408             p_trans->Read( es, p_trans->Generic().Context, i_upper_level, el, true );
4409             for( j = 0; j < p_trans->ListSize(); j++ )
4410             {
4411                 EbmlElement *l = (*p_trans)[j];
4412
4413                 if( MKV_IS_ID( l, KaxChapterTranslateEditionUID ) )
4414                 {
4415                     p_translate->editions.push_back( uint64( *static_cast<KaxChapterTranslateEditionUID*>( l ) ) );
4416                 }
4417                 else if( MKV_IS_ID( l, KaxChapterTranslateCodec ) )
4418                 {
4419                     p_translate->codec_id = uint32( *static_cast<KaxChapterTranslateCodec*>( l ) );
4420                 }
4421                 else if( MKV_IS_ID( l, KaxChapterTranslateID ) )
4422                 {
4423                     p_translate->p_translated = new KaxChapterTranslateID( *static_cast<KaxChapterTranslateID*>( l ) );
4424                 }
4425             }
4426
4427             translations.push_back( p_translate );
4428         }
4429 #endif
4430         else
4431         {
4432             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4433         }
4434     }
4435
4436     double f_dur = double(i_duration) * double(i_timescale) / 1000000.0;
4437     i_duration = mtime_t(f_dur);
4438 }
4439
4440
4441 /*****************************************************************************
4442  * ParseChapterAtom
4443  *****************************************************************************/
4444 void matroska_segment_c::ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters )
4445 {
4446     size_t i, j;
4447
4448     msg_Dbg( &sys.demuxer, "|   |   |   + ChapterAtom (level=%d)", i_level );
4449     for( i = 0; i < ca->ListSize(); i++ )
4450     {
4451         EbmlElement *l = (*ca)[i];
4452
4453         if( MKV_IS_ID( l, KaxChapterUID ) )
4454         {
4455             chapters.i_uid = uint64_t(*(KaxChapterUID*)l);
4456             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterUID: %lld", chapters.i_uid );
4457         }
4458         else if( MKV_IS_ID( l, KaxChapterFlagHidden ) )
4459         {
4460             KaxChapterFlagHidden &flag =*(KaxChapterFlagHidden*)l;
4461             chapters.b_display_seekpoint = uint8( flag ) == 0;
4462
4463             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterFlagHidden: %s", chapters.b_display_seekpoint ? "no":"yes" );
4464         }
4465         else if( MKV_IS_ID( l, KaxChapterTimeStart ) )
4466         {
4467             KaxChapterTimeStart &start =*(KaxChapterTimeStart*)l;
4468             chapters.i_start_time = uint64( start ) / I64C(1000);
4469
4470             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeStart: %lld", chapters.i_start_time );
4471         }
4472         else if( MKV_IS_ID( l, KaxChapterTimeEnd ) )
4473         {
4474             KaxChapterTimeEnd &end =*(KaxChapterTimeEnd*)l;
4475             chapters.i_end_time = uint64( end ) / I64C(1000);
4476
4477             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeEnd: %lld", chapters.i_end_time );
4478         }
4479         else if( MKV_IS_ID( l, KaxChapterDisplay ) )
4480         {
4481             EbmlMaster *cd = static_cast<EbmlMaster *>(l);
4482
4483             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterDisplay" );
4484             for( j = 0; j < cd->ListSize(); j++ )
4485             {
4486                 EbmlElement *l= (*cd)[j];
4487
4488                 if( MKV_IS_ID( l, KaxChapterString ) )
4489                 {
4490                     int k;
4491
4492                     KaxChapterString &name =*(KaxChapterString*)l;
4493                     for (k = 0; k < i_level; k++)
4494                         chapters.psz_name += '+';
4495                     chapters.psz_name += ' ';
4496                     chapters.psz_name += ToUTF8( UTFstring( name ) );
4497                     chapters.b_user_display = true;
4498
4499                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterString '%s'", ToUTF8(UTFstring(name)) );
4500                 }
4501                 else if( MKV_IS_ID( l, KaxChapterLanguage ) )
4502                 {
4503                     KaxChapterLanguage &lang =*(KaxChapterLanguage*)l;
4504                     const char *psz = string( lang ).c_str();
4505
4506                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterLanguage '%s'", psz );
4507                 }
4508                 else if( MKV_IS_ID( l, KaxChapterCountry ) )
4509                 {
4510                     KaxChapterCountry &ct =*(KaxChapterCountry*)l;
4511                     const char *psz = string( ct ).c_str();
4512
4513                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterCountry '%s'", psz );
4514                 }
4515             }
4516         }
4517         else if( MKV_IS_ID( l, KaxChapterProcess ) )
4518         {
4519             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterProcess" );
4520
4521             KaxChapterProcess *cp = static_cast<KaxChapterProcess *>(l);
4522             chapter_codec_cmds_c *p_ccodec = NULL;
4523
4524             for( j = 0; j < cp->ListSize(); j++ )
4525             {
4526                 EbmlElement *k= (*cp)[j];
4527
4528                 if( MKV_IS_ID( k, KaxChapterProcessCodecID ) )
4529                 {
4530                     KaxChapterProcessCodecID *p_codec_id = static_cast<KaxChapterProcessCodecID*>( k );
4531                     if ( uint32(*p_codec_id) == 0 )
4532                         p_ccodec = new matroska_script_codec_c( sys );
4533                     else if ( uint32(*p_codec_id) == 1 )
4534                         p_ccodec = new dvd_chapter_codec_c( sys );
4535                     break;
4536                 }
4537             }
4538
4539             if ( p_ccodec != NULL )
4540             {
4541                 for( j = 0; j < cp->ListSize(); j++ )
4542                 {
4543                     EbmlElement *k= (*cp)[j];
4544
4545                     if( MKV_IS_ID( k, KaxChapterProcessPrivate ) )
4546                     {
4547                         KaxChapterProcessPrivate * p_private = static_cast<KaxChapterProcessPrivate*>( k );
4548                         p_ccodec->SetPrivate( *p_private );
4549                     }
4550                     else if( MKV_IS_ID( k, KaxChapterProcessCommand ) )
4551                     {
4552                         p_ccodec->AddCommand( *static_cast<KaxChapterProcessCommand*>( k ) );
4553                     }
4554                 }
4555                 chapters.codecs.push_back( p_ccodec );
4556             }
4557         }
4558         else if( MKV_IS_ID( l, KaxChapterAtom ) )
4559         {
4560             chapter_item_c *new_sub_chapter = new chapter_item_c();
4561             ParseChapterAtom( i_level+1, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4562             new_sub_chapter->psz_parent = &chapters;
4563             chapters.sub_chapters.push_back( new_sub_chapter );
4564         }
4565     }
4566 }
4567
4568 /*****************************************************************************
4569  * ParseChapters:
4570  *****************************************************************************/
4571 void matroska_segment_c::ParseChapters( KaxChapters *chapters )
4572 {
4573     EbmlElement *el;
4574     size_t i;
4575     int i_upper_level = 0;
4576     mtime_t i_dur;
4577
4578     /* Master elements */
4579     chapters->Read( es, chapters->Generic().Context, i_upper_level, el, true );
4580
4581     for( i = 0; i < chapters->ListSize(); i++ )
4582     {
4583         EbmlElement *l = (*chapters)[i];
4584
4585         if( MKV_IS_ID( l, KaxEditionEntry ) )
4586         {
4587             chapter_edition_c *p_edition = new chapter_edition_c();
4588
4589             EbmlMaster *E = static_cast<EbmlMaster *>(l );
4590             size_t j;
4591             msg_Dbg( &sys.demuxer, "|   |   + EditionEntry" );
4592             for( j = 0; j < E->ListSize(); j++ )
4593             {
4594                 EbmlElement *l = (*E)[j];
4595
4596                 if( MKV_IS_ID( l, KaxChapterAtom ) )
4597                 {
4598                     chapter_item_c *new_sub_chapter = new chapter_item_c();
4599                     ParseChapterAtom( 0, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4600                     p_edition->sub_chapters.push_back( new_sub_chapter );
4601                 }
4602                 else if( MKV_IS_ID( l, KaxEditionUID ) )
4603                 {
4604                     p_edition->i_uid = uint64(*static_cast<KaxEditionUID *>( l ));
4605                 }
4606                 else if( MKV_IS_ID( l, KaxEditionFlagOrdered ) )
4607                 {
4608                     p_edition->b_ordered = config_GetInt( &sys.demuxer, "mkv-use-ordered-chapters" ) ? (uint8(*static_cast<KaxEditionFlagOrdered *>( l )) != 0) : 0;
4609                 }
4610                 else if( MKV_IS_ID( l, KaxEditionFlagDefault ) )
4611                 {
4612                     if (uint8(*static_cast<KaxEditionFlagDefault *>( l )) != 0)
4613                         i_default_edition = stored_editions.size();
4614                 }
4615                 else
4616                 {
4617                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
4618                 }
4619             }
4620             stored_editions.push_back( p_edition );
4621         }
4622         else
4623         {
4624             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4625         }
4626     }
4627
4628     for( i = 0; i < stored_editions.size(); i++ )
4629     {
4630         stored_editions[i]->RefreshChapters( );
4631     }
4632
4633     if ( stored_editions.size() != 0 && stored_editions[i_default_edition]->b_ordered )
4634     {
4635         /* update the duration of the segment according to the sum of all sub chapters */
4636         i_dur = stored_editions[i_default_edition]->Duration() / I64C(1000);
4637         if (i_dur > 0)
4638             i_duration = i_dur;
4639     }
4640 }
4641
4642 void matroska_segment_c::ParseCluster( )
4643 {
4644     EbmlElement *el;
4645     EbmlMaster  *m;
4646     unsigned int i;
4647     int i_upper_level = 0;
4648
4649     /* Master elements */
4650     m = static_cast<EbmlMaster *>( cluster );
4651     m->Read( es, cluster->Generic().Context, i_upper_level, el, true );
4652
4653     for( i = 0; i < m->ListSize(); i++ )
4654     {
4655         EbmlElement *l = (*m)[i];
4656
4657         if( MKV_IS_ID( l, KaxClusterTimecode ) )
4658         {
4659             KaxClusterTimecode &ctc = *(KaxClusterTimecode*)l;
4660
4661             cluster->InitTimecode( uint64( ctc ), i_timescale );
4662             break;
4663         }
4664     }
4665
4666     i_start_time = cluster->GlobalTimecode() / 1000;
4667 }
4668
4669 /*****************************************************************************
4670  * InformationCreate:
4671  *****************************************************************************/
4672 void matroska_segment_c::InformationCreate( )
4673 {
4674     size_t      i_track;
4675
4676     sys.meta = vlc_meta_New();
4677
4678     if( psz_title )
4679     {
4680         vlc_meta_Add( sys.meta, VLC_META_TITLE, psz_title );
4681     }
4682     if( psz_date_utc )
4683     {
4684         vlc_meta_Add( sys.meta, VLC_META_DATE, psz_date_utc );
4685     }
4686     if( psz_segment_filename )
4687     {
4688         vlc_meta_Add( sys.meta, _("Segment filename"), psz_segment_filename );
4689     }
4690     if( psz_muxing_application )
4691     {
4692         vlc_meta_Add( sys.meta, _("Muxing application"), psz_muxing_application );
4693     }
4694     if( psz_writing_application )
4695     {
4696         vlc_meta_Add( sys.meta, _("Writing application"), psz_writing_application );
4697     }
4698
4699     for( i_track = 0; i_track < tracks.size(); i_track++ )
4700     {
4701         mkv_track_t *tk = tracks[i_track];
4702         vlc_meta_t *mtk = vlc_meta_New();
4703
4704         sys.meta->track = (vlc_meta_t**)realloc( sys.meta->track,
4705                                                     sizeof( vlc_meta_t * ) * ( sys.meta->i_track + 1 ) );
4706         sys.meta->track[sys.meta->i_track++] = mtk;
4707
4708         if( tk->fmt.psz_description )
4709         {
4710             vlc_meta_Add( sys.meta, VLC_META_DESCRIPTION, tk->fmt.psz_description );
4711         }
4712         if( tk->psz_codec_name )
4713         {
4714             vlc_meta_Add( sys.meta, VLC_META_CODEC_NAME, tk->psz_codec_name );
4715         }
4716         if( tk->psz_codec_settings )
4717         {
4718             vlc_meta_Add( sys.meta, VLC_META_SETTING, tk->psz_codec_settings );
4719         }
4720         if( tk->psz_codec_info_url )
4721         {
4722             vlc_meta_Add( sys.meta, VLC_META_CODEC_DESCRIPTION, tk->psz_codec_info_url );
4723         }
4724         if( tk->psz_codec_download_url )
4725         {
4726             vlc_meta_Add( sys.meta, VLC_META_URL, tk->psz_codec_download_url );
4727         }
4728     }
4729
4730     if( i_tags_position >= 0 )
4731     {
4732         vlc_bool_t b_seekable;
4733
4734         stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
4735         if( b_seekable )
4736         {
4737             LoadTags( );
4738         }
4739     }
4740 }
4741
4742
4743 /*****************************************************************************
4744  * Divers
4745  *****************************************************************************/
4746
4747 void matroska_segment_c::IndexAppendCluster( KaxCluster *cluster )
4748 {
4749 #define idx p_indexes[i_index]
4750     idx.i_track       = -1;
4751     idx.i_block_number= -1;
4752     idx.i_position    = cluster->GetElementPosition();
4753     idx.i_time        = -1;
4754     idx.b_key         = VLC_TRUE;
4755
4756     i_index++;
4757     if( i_index >= i_index_max )
4758     {
4759         i_index_max += 1024;
4760         p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
4761     }
4762 #undef idx
4763 }
4764
4765 void chapter_edition_c::RefreshChapters( )
4766 {
4767     chapter_item_c::RefreshChapters( b_ordered, -1 );
4768     b_display_seekpoint = false;
4769 }
4770
4771 int64_t chapter_item_c::RefreshChapters( bool b_ordered, int64_t i_prev_user_time )
4772 {
4773     int64_t i_user_time = i_prev_user_time;
4774
4775     // first the sub-chapters, and then ourself
4776     std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
4777     while ( index != sub_chapters.end() )
4778     {
4779         i_user_time = (*index)->RefreshChapters( b_ordered, i_user_time );
4780         index++;
4781     }
4782
4783     if ( b_ordered )
4784     {
4785         // the ordered chapters always start at zero
4786         if ( i_prev_user_time == -1 )
4787         {
4788             if ( i_user_time == -1 )
4789                 i_user_time = 0;
4790             i_prev_user_time = 0;
4791         }
4792
4793         i_user_start_time = i_prev_user_time;
4794         if ( i_end_time != -1 && i_user_time == i_prev_user_time )
4795         {
4796             i_user_end_time = i_user_start_time - i_start_time + i_end_time;
4797         }
4798         else
4799         {
4800             i_user_end_time = i_user_time;
4801         }
4802     }
4803     else
4804     {
4805         if ( sub_chapters.begin() != sub_chapters.end() )
4806             std::sort( sub_chapters.begin(), sub_chapters.end(), chapter_item_c::CompareTimecode );
4807         i_user_start_time = i_start_time;
4808         if ( i_end_time != -1 )
4809             i_user_end_time = i_end_time;
4810         else if ( i_user_time != -1 )
4811             i_user_end_time = i_user_time;
4812         else
4813             i_user_end_time = i_user_start_time;
4814     }
4815
4816     return i_user_end_time;
4817 }
4818
4819 mtime_t chapter_edition_c::Duration() const
4820 {
4821     mtime_t i_result = 0;
4822
4823     if ( sub_chapters.size() )
4824     {
4825         std::vector<chapter_item_c*>::const_iterator index = sub_chapters.end();
4826         index--;
4827         i_result = (*index)->i_user_end_time;
4828     }
4829
4830     return i_result;
4831 }
4832
4833 chapter_item_c * chapter_edition_c::FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current )
4834 {
4835     if ( !b_ordered )
4836         p_current = NULL;
4837     bool b_found_current = false;
4838     return chapter_item_c::FindTimecode( i_timecode, p_current, b_found_current );
4839 }
4840
4841 chapter_item_c *chapter_item_c::FindTimecode( mtime_t i_user_timecode, const chapter_item_c * p_current, bool & b_found )
4842 {
4843     chapter_item_c *psz_result = NULL;
4844
4845     if ( p_current == this )
4846         b_found = true;
4847
4848     if ( i_user_timecode >= i_user_start_time &&
4849         ( i_user_timecode < i_user_end_time ||
4850           ( i_user_start_time == i_user_end_time && i_user_timecode == i_user_end_time )))
4851     {
4852         std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
4853         while ( index != sub_chapters.end() && ((p_current == NULL && psz_result == NULL) || (p_current != NULL && (!b_found || psz_result == NULL))))
4854         {
4855             psz_result = (*index)->FindTimecode( i_user_timecode, p_current, b_found );
4856             index++;
4857         }
4858
4859         if ( psz_result == NULL )
4860             psz_result = this;
4861     }
4862
4863     return psz_result;
4864 }
4865
4866 bool chapter_item_c::ParentOf( const chapter_item_c & item ) const
4867 {
4868     if ( &item == this )
4869         return true;
4870
4871     std::vector<chapter_item_c*>::const_iterator index = sub_chapters.begin();
4872     while ( index != sub_chapters.end() )
4873     {
4874         if ( (*index)->ParentOf( item ) )
4875             return true;
4876         index++;
4877     }
4878
4879     return false;
4880 }
4881
4882 void demux_sys_t::PreloadFamily( const matroska_segment_c & of_segment )
4883 {
4884     for (size_t i=0; i<opened_segments.size(); i++)
4885     {
4886         opened_segments[i]->PreloadFamily( of_segment );
4887     }
4888 }
4889 bool matroska_segment_c::PreloadFamily( const matroska_segment_c & of_segment )
4890 {
4891     if ( b_preloaded )
4892         return false;
4893
4894     for (size_t i=0; i<families.size(); i++)
4895     {
4896         for (size_t j=0; j<of_segment.families.size(); j++)
4897         {
4898             if ( families[i] == of_segment.families[j] )
4899                 return Preload( );
4900         }
4901     }
4902
4903     return false;
4904 }
4905
4906 // preload all the linked segments for all preloaded segments
4907 void demux_sys_t::PreloadLinked( matroska_segment_c *p_segment )
4908 {
4909     size_t i_preloaded, i, j;
4910     virtual_segment_c *p_seg;
4911
4912     p_current_segment = VirtualFromSegments( p_segment );
4913
4914     used_segments.push_back( p_current_segment );
4915
4916     // create all the other virtual segments of the family
4917     do {
4918         i_preloaded = 0;
4919         for ( i=0; i< opened_segments.size(); i++ )
4920         {
4921             if ( opened_segments[i]->b_preloaded && !IsUsedSegment( *opened_segments[i] ) )
4922             {
4923                 p_seg = VirtualFromSegments( opened_segments[i] );
4924                 used_segments.push_back( p_seg );
4925                 i_preloaded++;
4926             }
4927         }
4928     } while ( i_preloaded ); // worst case: will stop when all segments are found as family related
4929
4930     // publish all editions of all usable segment
4931     for ( i=0; i< used_segments.size(); i++ )
4932     {
4933         p_seg = used_segments[i];
4934         if ( p_seg->p_editions != NULL )
4935         {
4936             std::string sz_name;
4937             input_title_t *p_title = vlc_input_title_New();
4938             p_seg->i_sys_title = i;
4939             int i_chapters;
4940
4941             // TODO use a name for each edition, let the TITLE deal with a codec name
4942             for ( j=0; j<p_seg->p_editions->size(); j++ )
4943             {
4944                 if ( p_title->psz_name == NULL )
4945                 {
4946                     sz_name = (*p_seg->p_editions)[j]->GetMainName();
4947                     if ( sz_name != "" )
4948                         p_title->psz_name = strdup( sz_name.c_str() );
4949                 }
4950
4951                 chapter_edition_c *p_edition = (*p_seg->p_editions)[j];
4952
4953                 i_chapters = 0;
4954                 p_edition->PublishChapters( *p_title, i_chapters, 0 );
4955             }
4956
4957             // create a name if there is none
4958             if ( p_title->psz_name == NULL )
4959             {
4960                 sz_name = N_("Segment ");
4961                 char psz_str[6];
4962                 sprintf( psz_str, "%d", (int)i );
4963                 sz_name += psz_str;
4964                 p_title->psz_name = strdup( sz_name.c_str() );
4965             }
4966
4967             titles.push_back( p_title );
4968         }
4969     }
4970
4971     // TODO decide which segment should be first used (VMG for DVD)
4972 }
4973
4974 bool demux_sys_t::IsUsedSegment( matroska_segment_c &segment ) const
4975 {
4976     for ( size_t i=0; i< used_segments.size(); i++ )
4977     {
4978         if ( used_segments[i]->FindUID( *segment.p_segment_uid ) )
4979             return true;
4980     }
4981     return false;
4982 }
4983
4984 virtual_segment_c *demux_sys_t::VirtualFromSegments( matroska_segment_c *p_segment ) const
4985 {
4986     size_t i_preloaded, i;
4987
4988     virtual_segment_c *p_result = new virtual_segment_c( p_segment );
4989
4990     // fill our current virtual segment with all hard linked segments
4991     do {
4992         i_preloaded = 0;
4993         for ( i=0; i< opened_segments.size(); i++ )
4994         {
4995             i_preloaded += p_result->AddSegment( opened_segments[i] );
4996         }
4997     } while ( i_preloaded ); // worst case: will stop when all segments are found as linked
4998
4999     p_result->Sort( );
5000
5001     p_result->PreloadLinked( );
5002
5003     p_result->PrepareChapters( );
5004
5005     return p_result;
5006 }
5007
5008 bool demux_sys_t::PreparePlayback( virtual_segment_c *p_new_segment )
5009 {
5010     if ( p_new_segment != NULL && p_new_segment != p_current_segment )
5011     {
5012         if ( p_current_segment != NULL && p_current_segment->Segment() != NULL )
5013             p_current_segment->Segment()->UnSelect();
5014
5015         p_current_segment = p_new_segment;
5016         i_current_title = p_new_segment->i_sys_title;
5017     }
5018
5019     p_current_segment->LoadCues();
5020     f_duration = p_current_segment->Duration();
5021
5022     /* add information */
5023     p_current_segment->Segment()->InformationCreate( );
5024
5025     p_current_segment->Segment()->Select( 0 );
5026
5027     return true;
5028 }
5029
5030 void demux_sys_t::JumpTo( virtual_segment_c & vsegment, chapter_item_c * p_chapter )
5031 {
5032     // if the segment is not part of the current segment, select the new one
5033     if ( &vsegment != p_current_segment )
5034     {
5035         PreparePlayback( &vsegment );
5036     }
5037
5038     if ( p_chapter != NULL )
5039     {
5040         if ( !p_chapter->Enter( true ) )
5041         {
5042             // jump to the location in the found segment
5043             vsegment.Seek( demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5044         }
5045     }
5046
5047 }
5048
5049 bool matroska_segment_c::CompareSegmentUIDs( const matroska_segment_c * p_item_a, const matroska_segment_c * p_item_b )
5050 {
5051     if ( p_item_a == NULL || p_item_b == NULL )
5052         return false;
5053
5054     EbmlBinary * p_itema = (EbmlBinary *)(p_item_a->p_segment_uid);
5055     if ( p_item_b->p_prev_segment_uid != NULL && *p_itema == *p_item_b->p_prev_segment_uid )
5056         return true;
5057
5058     p_itema = (EbmlBinary *)(&p_item_a->p_next_segment_uid);
5059     if ( p_item_b->p_segment_uid != NULL && *p_itema == *p_item_b->p_segment_uid )
5060         return true;
5061
5062     if ( p_item_b->p_prev_segment_uid != NULL && *p_itema == *p_item_b->p_prev_segment_uid )
5063         return true;
5064
5065     return false;
5066 }
5067
5068 bool matroska_segment_c::Preload( )
5069 {
5070     if ( b_preloaded )
5071         return false;
5072
5073     EbmlElement *el = NULL;
5074
5075     ep->Reset( &sys.demuxer );
5076
5077     while( ( el = ep->Get() ) != NULL )
5078     {
5079         if( MKV_IS_ID( el, KaxInfo ) )
5080         {
5081             ParseInfo( static_cast<KaxInfo*>( el ) );
5082         }
5083         else if( MKV_IS_ID( el, KaxTracks ) )
5084         {
5085             ParseTracks( static_cast<KaxTracks*>( el ) );
5086         }
5087         else if( MKV_IS_ID( el, KaxSeekHead ) )
5088         {
5089             ParseSeekHead( static_cast<KaxSeekHead*>( el ) );
5090         }
5091         else if( MKV_IS_ID( el, KaxCues ) )
5092         {
5093             msg_Dbg( &sys.demuxer, "|   + Cues" );
5094         }
5095         else if( MKV_IS_ID( el, KaxCluster ) )
5096         {
5097             msg_Dbg( &sys.demuxer, "|   + Cluster" );
5098
5099             cluster = (KaxCluster*)el;
5100
5101             i_cluster_pos = i_start_pos = cluster->GetElementPosition();
5102             ParseCluster( );
5103
5104             ep->Down();
5105             /* stop parsing the stream */
5106             break;
5107         }
5108         else if( MKV_IS_ID( el, KaxAttachments ) )
5109         {
5110             msg_Dbg( &sys.demuxer, "|   + Attachments FIXME (but probably never supported)" );
5111         }
5112         else if( MKV_IS_ID( el, KaxChapters ) )
5113         {
5114             msg_Dbg( &sys.demuxer, "|   + Chapters" );
5115             ParseChapters( static_cast<KaxChapters*>( el ) );
5116         }
5117         else if( MKV_IS_ID( el, KaxTag ) )
5118         {
5119             msg_Dbg( &sys.demuxer, "|   + Tags FIXME TODO" );
5120         }
5121         else
5122         {
5123             msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid(*el).name() );
5124         }
5125     }
5126
5127     b_preloaded = true;
5128
5129     return true;
5130 }
5131
5132 matroska_segment_c *demux_sys_t::FindSegment( const EbmlBinary & uid ) const
5133 {
5134     for (size_t i=0; i<opened_segments.size(); i++)
5135     {
5136         if ( *opened_segments[i]->p_segment_uid == uid )
5137             return opened_segments[i];
5138     }
5139     return NULL;
5140 }
5141
5142 chapter_item_c *demux_sys_t::BrowseCodecPrivate( unsigned int codec_id,
5143                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
5144                                         const void *p_cookie,
5145                                         size_t i_cookie_size,
5146                                         virtual_segment_c * &p_segment_found )
5147 {
5148     chapter_item_c *p_result = NULL;
5149     for (size_t i=0; i<used_segments.size(); i++)
5150     {
5151         p_result = used_segments[i]->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
5152         if ( p_result != NULL )
5153         {
5154             p_segment_found = used_segments[i];
5155             break;
5156         }
5157     }
5158     return p_result;
5159 }
5160
5161 chapter_item_c *demux_sys_t::FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found )
5162 {
5163     chapter_item_c *p_result = NULL;
5164     for (size_t i=0; i<used_segments.size(); i++)
5165     {
5166         p_result = used_segments[i]->FindChapter( i_find_uid );
5167         if ( p_result != NULL )
5168         {
5169             p_segment_found = used_segments[i];
5170             break;
5171         }
5172     }
5173     return p_result;
5174 }
5175
5176 void virtual_segment_c::Sort()
5177 {
5178     // keep the current segment index
5179     matroska_segment_c *p_segment = linked_segments[i_current_segment];
5180
5181     std::sort( linked_segments.begin(), linked_segments.end(), matroska_segment_c::CompareSegmentUIDs );
5182
5183     for ( i_current_segment=0; i_current_segment<linked_segments.size(); i_current_segment++)
5184         if ( linked_segments[i_current_segment] == p_segment )
5185             break;
5186 }
5187
5188 size_t virtual_segment_c::AddSegment( matroska_segment_c *p_segment )
5189 {
5190     size_t i;
5191     // check if it's not already in here
5192     for ( i=0; i<linked_segments.size(); i++ )
5193     {
5194         if ( *p_segment->p_segment_uid == *linked_segments[i]->p_segment_uid )
5195             return 0;
5196     }
5197
5198     // find possible mates
5199     for ( i=0; i<linked_uids.size(); i++ )
5200     {
5201         if (   (p_segment->p_segment_uid != NULL && *p_segment->p_segment_uid == linked_uids[i])
5202             || (p_segment->p_prev_segment_uid != NULL && *p_segment->p_prev_segment_uid == linked_uids[i])
5203             || (p_segment->p_next_segment_uid !=NULL && *p_segment->p_next_segment_uid == linked_uids[i]) )
5204         {
5205             linked_segments.push_back( p_segment );
5206
5207             AppendUID( p_segment->p_prev_segment_uid );
5208             AppendUID( p_segment->p_next_segment_uid );
5209
5210             return 1;
5211         }
5212     }
5213     return 0;
5214 }
5215
5216 void virtual_segment_c::PreloadLinked( )
5217 {
5218     for ( size_t i=0; i<linked_segments.size(); i++ )
5219     {
5220         linked_segments[i]->Preload( );
5221     }
5222     i_current_edition = linked_segments[0]->i_default_edition;
5223 }
5224
5225 mtime_t virtual_segment_c::Duration() const
5226 {
5227     mtime_t i_duration;
5228     if ( linked_segments.size() == 0 )
5229         i_duration = 0;
5230     else {
5231         matroska_segment_c *p_last_segment = linked_segments[linked_segments.size()-1];
5232 //        p_last_segment->ParseCluster( );
5233
5234         i_duration = p_last_segment->i_start_time / 1000 + p_last_segment->i_duration;
5235     }
5236     return i_duration;
5237 }
5238
5239 void virtual_segment_c::LoadCues( )
5240 {
5241     for ( size_t i=0; i<linked_segments.size(); i++ )
5242     {
5243         linked_segments[i]->LoadCues();
5244     }
5245 }
5246
5247 void virtual_segment_c::AppendUID( const EbmlBinary * p_UID )
5248 {
5249     if ( p_UID == NULL )
5250         return;
5251     if ( p_UID->GetBuffer() == NULL )
5252         return;
5253
5254     for (size_t i=0; i<linked_uids.size(); i++)
5255     {
5256         if ( *p_UID == linked_uids[i] )
5257             return;
5258     }
5259     linked_uids.push_back( *(KaxSegmentUID*)(p_UID) );
5260 }
5261
5262 void matroska_segment_c::Seek( mtime_t i_date, mtime_t i_time_offset )
5263 {
5264     KaxBlock    *block;
5265     int         i_track_skipping;
5266     int64_t     i_block_duration;
5267     int64_t     i_block_ref1;
5268     int64_t     i_block_ref2;
5269     size_t      i_track;
5270     int64_t     i_seek_position = i_start_pos;
5271     int64_t     i_seek_time = i_start_time;
5272
5273     if ( i_index > 0 )
5274     {
5275         int i_idx = 0;
5276
5277         for( ; i_idx < i_index; i_idx++ )
5278         {
5279             if( p_indexes[i_idx].i_time + i_time_offset > i_date )
5280             {
5281                 break;
5282             }
5283         }
5284
5285         if( i_idx > 0 )
5286         {
5287             i_idx--;
5288         }
5289
5290         i_seek_position = p_indexes[i_idx].i_position;
5291         i_seek_time = p_indexes[i_idx].i_time;
5292     }
5293
5294     msg_Dbg( &sys.demuxer, "seek got "I64Fd" (%d%%)",
5295                 i_seek_time, (int)( 100 * i_seek_position / stream_Size( sys.demuxer.s ) ) );
5296
5297     es.I_O().setFilePointer( i_seek_position, seek_beginning );
5298
5299     delete ep;
5300     ep = new EbmlParser( &es, segment, &sys.demuxer );
5301     cluster = NULL;
5302
5303     sys.i_start_pts = i_date;
5304
5305     es_out_Control( sys.demuxer.out, ES_OUT_RESET_PCR );
5306
5307     /* now parse until key frame */
5308     i_track_skipping = 0;
5309     for( i_track = 0; i_track < tracks.size(); i_track++ )
5310     {
5311         if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5312         {
5313             tracks[i_track]->b_search_keyframe = VLC_TRUE;
5314             i_track_skipping++;
5315         }
5316         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_date );
5317     }
5318
5319
5320     while( i_track_skipping > 0 )
5321     {
5322         if( BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
5323         {
5324             msg_Warn( &sys.demuxer, "cannot get block EOF?" );
5325
5326             return;
5327         }
5328         ep->Down();
5329
5330         for( i_track = 0; i_track < tracks.size(); i_track++ )
5331         {
5332             if( tracks[i_track]->i_number == block->TrackNum() )
5333             {
5334                 break;
5335             }
5336         }
5337
5338         sys.i_last_dts = sys.i_pts = (sys.i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
5339
5340         if( i_track < tracks.size() )
5341         {
5342            if( sys.i_pts >= sys.i_start_pts )
5343             {
5344                 cluster = static_cast<KaxCluster*>(ep->UnGet( i_block_pos, i_cluster_pos ));
5345                 i_track_skipping = 0;
5346             }
5347             else if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5348             {
5349                 if( i_block_ref1 == 0 && tracks[i_track]->b_search_keyframe )
5350                 {
5351                     tracks[i_track]->b_search_keyframe = VLC_FALSE;
5352                     i_track_skipping--;
5353                 }
5354                 if( !tracks[i_track]->b_search_keyframe )
5355                 {
5356                     BlockDecode( &sys.demuxer, block, sys.i_pts, 0 );
5357                 }
5358             }
5359         }
5360
5361         delete block;
5362     }
5363 }
5364
5365 void virtual_segment_c::Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter )
5366 {
5367     demux_sys_t *p_sys = demuxer.p_sys;
5368     size_t i;
5369
5370     // find the actual time for an ordered edition
5371     if ( psz_chapter == NULL )
5372     {
5373         if ( Edition() && Edition()->b_ordered )
5374         {
5375             /* 1st, we need to know in which chapter we are */
5376             psz_chapter = (*p_editions)[i_current_edition]->FindTimecode( i_date, psz_current_chapter );
5377         }
5378     }
5379
5380     if ( psz_chapter != NULL )
5381     {
5382         psz_current_chapter = psz_chapter;
5383         p_sys->i_chapter_time = i_time_offset = psz_chapter->i_user_start_time - psz_chapter->i_start_time;
5384         if ( psz_chapter->i_seekpoint_num > 0 )
5385         {
5386             demuxer.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
5387             demuxer.info.i_title = p_sys->i_current_title = i_sys_title;
5388             demuxer.info.i_seekpoint = psz_chapter->i_seekpoint_num - 1;
5389         }
5390     }
5391
5392     // find the best matching segment
5393     for ( i=0; i<linked_segments.size(); i++ )
5394     {
5395         if ( i_date < linked_segments[i]->i_start_time )
5396             break;
5397     }
5398
5399     if ( i > 0 )
5400         i--;
5401
5402     if ( i_current_segment != i  )
5403     {
5404         linked_segments[i_current_segment]->UnSelect();
5405         linked_segments[i]->Select( i_date );
5406         i_current_segment = i;
5407     }
5408
5409     linked_segments[i]->Seek( i_date, i_time_offset );
5410 }
5411
5412 void chapter_codec_cmds_c::AddCommand( const KaxChapterProcessCommand & command )
5413 {
5414     size_t i;
5415
5416     uint32 codec_time = uint32(-1);
5417     for( i = 0; i < command.ListSize(); i++ )
5418     {
5419         const EbmlElement *k = command[i];
5420
5421         if( MKV_IS_ID( k, KaxChapterProcessTime ) )
5422         {
5423             codec_time = uint32( *static_cast<const KaxChapterProcessTime*>( k ) );
5424             break;
5425         }
5426     }
5427
5428     for( i = 0; i < command.ListSize(); i++ )
5429     {
5430         const EbmlElement *k = command[i];
5431
5432         if( MKV_IS_ID( k, KaxChapterProcessData ) )
5433         {
5434             KaxChapterProcessData *p_data =  new KaxChapterProcessData( *static_cast<const KaxChapterProcessData*>( k ) );
5435             switch ( codec_time )
5436             {
5437             case 0:
5438                 during_cmds.push_back( p_data );
5439                 break;
5440             case 1:
5441                 enter_cmds.push_back( p_data );
5442                 break;
5443             case 2:
5444                 leave_cmds.push_back( p_data );
5445                 break;
5446             default:
5447                 delete p_data;
5448             }
5449         }
5450     }
5451 }
5452
5453 bool chapter_item_c::Enter( bool b_do_subs )
5454 {
5455     bool f_result = false;
5456     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5457     while ( index != codecs.end() )
5458     {
5459         f_result |= (*index)->Enter();
5460         index++;
5461     }
5462
5463     if ( b_do_subs )
5464     {
5465         // sub chapters
5466         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5467         while ( index_ != sub_chapters.end() )
5468         {
5469             f_result |= (*index_)->Enter( true );
5470             index_++;
5471         }
5472     }
5473     return f_result;
5474 }
5475
5476 bool chapter_item_c::Leave( bool b_do_subs )
5477 {
5478     bool f_result = false;
5479     b_is_leaving = true;
5480     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5481     while ( index != codecs.end() )
5482     {
5483         f_result |= (*index)->Leave();
5484         index++;
5485     }
5486
5487     if ( b_do_subs )
5488     {
5489         // sub chapters
5490         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5491         while ( index_ != sub_chapters.end() )
5492         {
5493             f_result |= (*index_)->Leave( true );
5494             index_++;
5495         }
5496     }
5497     b_is_leaving = false;
5498     return f_result;
5499 }
5500
5501 bool chapter_item_c::EnterAndLeave( chapter_item_c *p_item, bool b_final_enter )
5502 {
5503     chapter_item_c *p_common_parent = p_item;
5504
5505     // leave, up to a common parent
5506     while ( p_common_parent != NULL && !p_common_parent->ParentOf( *this ) )
5507     {
5508         if ( !p_common_parent->b_is_leaving && p_common_parent->Leave( false ) )
5509             return true;
5510         p_common_parent = p_common_parent->psz_parent;
5511     }
5512
5513     // enter from the parent to <this>
5514     if ( p_common_parent != NULL )
5515     {
5516         do
5517         {
5518             if ( p_common_parent == this )
5519                 return Enter( true );
5520
5521             for ( size_t i = 0; i<p_common_parent->sub_chapters.size(); i++ )
5522             {
5523                 if ( p_common_parent->sub_chapters[i]->ParentOf( *this ) )
5524                 {
5525                     p_common_parent = p_common_parent->sub_chapters[i];
5526                     if ( p_common_parent != this )
5527                         if ( p_common_parent->Enter( false ) )
5528                             return true;
5529
5530                     break;
5531                 }
5532             }
5533         } while ( 1 );
5534     }
5535
5536     if ( b_final_enter )
5537         return Enter( true );
5538     else
5539         return false;
5540 }
5541
5542 bool dvd_chapter_codec_c::Enter()
5543 {
5544     bool f_result = false;
5545     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
5546     while ( index != enter_cmds.end() )
5547     {
5548         if ( (*index)->GetSize() )
5549         {
5550             binary *p_data = (*index)->GetBuffer();
5551             size_t i_size = *p_data++;
5552             // avoid reading too much from the buffer
5553             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
5554             for ( ; i_size > 0; i_size--, p_data += 8 )
5555             {
5556                 msg_Dbg( &sys.demuxer, "Matroska DVD enter command" );
5557                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5558             }
5559         }
5560         index++;
5561     }
5562     return f_result;
5563 }
5564
5565 bool dvd_chapter_codec_c::Leave()
5566 {
5567     bool f_result = false;
5568     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
5569     while ( index != leave_cmds.end() )
5570     {
5571         if ( (*index)->GetSize() )
5572         {
5573             binary *p_data = (*index)->GetBuffer();
5574             size_t i_size = *p_data++;
5575             // avoid reading too much from the buffer
5576             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
5577             for ( ; i_size > 0; i_size--, p_data += 8 )
5578             {
5579                 msg_Dbg( &sys.demuxer, "Matroska DVD leave command" );
5580                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5581             }
5582         }
5583         index++;
5584     }
5585     return f_result;
5586 }
5587
5588 // see http://www.dvd-replica.com/DVD/vmcmdset.php for a description of DVD commands
5589 bool dvd_command_interpretor_c::Interpret( const binary * p_command, size_t i_size )
5590 {
5591     if ( i_size != 8 )
5592         return false;
5593
5594     virtual_segment_c *p_segment = NULL;
5595     chapter_item_c *p_chapter = NULL;
5596     bool f_result = false;
5597     uint16 i_command = ( p_command[0] << 8 ) + p_command[1];
5598
5599     // handle register tests if there are some
5600     if ( (i_command & 0xF0) != 0 )
5601     {
5602         bool b_test_positive = true;//(i_command & CMD_DVD_IF_NOT) == 0;
5603         bool b_test_value    = (i_command & CMD_DVD_TEST_VALUE) != 0;
5604         uint8 i_test = i_command & 0x70;
5605         uint16 i_value;
5606
5607         // see http://dvd.sourceforge.net/dvdinfo/vmi.html
5608         uint8  i_cr1;
5609         uint16 i_cr2;
5610         switch ( i_command >> 12 )
5611         {
5612         default:
5613             i_cr1 = p_command[3];
5614             i_cr2 = (p_command[4] << 8) + p_command[5];
5615             break;
5616         case 3:
5617         case 4:
5618         case 5:
5619             i_cr1 = p_command[6];
5620             i_cr2 = p_command[7];
5621             b_test_value = false;
5622             break;
5623         case 6:
5624         case 7:
5625             if ( ((p_command[1] >> 4) & 0x7) == 0)
5626             {
5627                 i_cr1 = p_command[2];
5628                 i_cr2 = (p_command[6] << 8) + p_command[7];
5629             }
5630             else
5631             {
5632                 i_cr1 = p_command[2];
5633                 i_cr2 = (p_command[6] << 8) + p_command[7];
5634             }
5635             break;
5636         }
5637
5638         if ( b_test_value )
5639             i_value = i_cr2;
5640         else
5641             i_value = GetPRM( i_cr2 );
5642
5643         switch ( i_test )
5644         {
5645         case CMD_DVD_IF_GPREG_EQUAL:
5646             // if equals
5647             msg_Dbg( &sys.demuxer, "IF %s EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5648             if (!( GetPRM( i_cr1 ) == i_value ))
5649             {
5650                 b_test_positive = false;
5651             }
5652             break;
5653         case CMD_DVD_IF_GPREG_NOT_EQUAL:
5654             // if not equals
5655             msg_Dbg( &sys.demuxer, "IF %s NOT EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5656             if (!( GetPRM( i_cr1 ) != i_value ))
5657             {
5658                 b_test_positive = false;
5659             }
5660             break;
5661         case CMD_DVD_IF_GPREG_INF:
5662             // if inferior
5663             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5664             if (!( GetPRM( i_cr1 ) < i_value ))
5665             {
5666                 b_test_positive = false;
5667             }
5668             break;
5669         case CMD_DVD_IF_GPREG_INF_EQUAL:
5670             // if inferior or equal
5671             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5672             if (!( GetPRM( i_cr1 ) <= i_value ))
5673             {
5674                 b_test_positive = false;
5675             }
5676             break;
5677         case CMD_DVD_IF_GPREG_AND:
5678             // if logical and
5679             msg_Dbg( &sys.demuxer, "IF %s & %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5680             if (!( GetPRM( i_cr1 ) & i_value ))
5681             {
5682                 b_test_positive = false;
5683             }
5684             break;
5685         case CMD_DVD_IF_GPREG_SUP:
5686             // if superior
5687             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5688             if (!( GetPRM( i_cr1 ) > i_value ))
5689             {
5690                 b_test_positive = false;
5691             }
5692             break;
5693         case CMD_DVD_IF_GPREG_SUP_EQUAL:
5694             // if superior or equal
5695             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5696             if (!( GetPRM( i_cr1 ) >= i_value ))
5697             {
5698                 b_test_positive = false;
5699             }
5700             break;
5701         }
5702
5703         if ( !b_test_positive )
5704             return false;
5705     }
5706
5707     // strip the test command
5708     i_command &= 0xFF0F;
5709
5710     switch ( i_command )
5711     {
5712     case CMD_DVD_NOP:
5713     case CMD_DVD_NOP2:
5714         {
5715             msg_Dbg( &sys.demuxer, "NOP" );
5716             break;
5717         }
5718     case CMD_DVD_BREAK:
5719         {
5720             msg_Dbg( &sys.demuxer, "Break" );
5721             // TODO
5722             break;
5723         }
5724     case CMD_DVD_JUMP_TT:
5725         {
5726             uint8 i_title = p_command[5];
5727             msg_Dbg( &sys.demuxer, "JumpTT %d", i_title );
5728
5729             // find in the ChapProcessPrivate matching this Title level
5730             p_chapter = sys.BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title), p_segment );
5731             if ( p_segment != NULL )
5732             {
5733                 sys.JumpTo( *p_segment, p_chapter );
5734                 f_result = true;
5735             }
5736
5737             break;
5738         }
5739     case CMD_DVD_CALLSS_VTSM1:
5740         {
5741             msg_Dbg( &sys.demuxer, "CallSS" );
5742             binary p_type;
5743             switch( (p_command[6] & 0xC0) >> 6 ) {
5744                 case 0:
5745                     p_type = p_command[5] & 0x0F;
5746                     switch ( p_type )
5747                     {
5748                     case 0x00:
5749                         msg_Dbg( &sys.demuxer, "CallSS PGC (rsm_cell %x)", p_command[4]);
5750                         break;
5751                     case 0x02:
5752                         msg_Dbg( &sys.demuxer, "CallSS Title Entry (rsm_cell %x)", p_command[4]);
5753                         break;
5754                     case 0x03:
5755                         msg_Dbg( &sys.demuxer, "CallSS Root Menu (rsm_cell %x)", p_command[4]);
5756                         break;
5757                     case 0x04:
5758                         msg_Dbg( &sys.demuxer, "CallSS Subpicture Menu (rsm_cell %x)", p_command[4]);
5759                         break;
5760                     case 0x05:
5761                         msg_Dbg( &sys.demuxer, "CallSS Audio Menu (rsm_cell %x)", p_command[4]);
5762                         break;
5763                     case 0x06:
5764                         msg_Dbg( &sys.demuxer, "CallSS Angle Menu (rsm_cell %x)", p_command[4]);
5765                         break;
5766                     case 0x07:
5767                         msg_Dbg( &sys.demuxer, "CallSS Chapter Menu (rsm_cell %x)", p_command[4]);
5768                         break;
5769                     default:
5770                         msg_Dbg( &sys.demuxer, "CallSS <unknown> (rsm_cell %x)", p_command[4]);
5771                         break;
5772                     }
5773                     p_chapter = sys.BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1, p_segment );
5774                     if ( p_segment != NULL )
5775                     {
5776                         sys.JumpTo( *p_segment, p_chapter );
5777                         f_result = true;
5778                     }
5779                 break;
5780                 case 1:
5781                     msg_Dbg( &sys.demuxer, "CallSS VMGM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
5782                 break;
5783                 case 2:
5784                     msg_Dbg( &sys.demuxer, "CallSS VTSM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
5785                 break;
5786                 case 3:
5787                     msg_Dbg( &sys.demuxer, "CallSS VMGM (pgc %d, rsm_cell %x)", (p_command[2] << 8) + p_command[3], p_command[4]);
5788                 break;
5789             }
5790             break;
5791         }
5792     case CMD_DVD_JUMP_SS:
5793         {
5794             msg_Dbg( &sys.demuxer, "JumpSS");
5795             binary p_type;
5796             switch( (p_command[5] & 0xC0) >> 6 ) {
5797                 case 0:
5798                     msg_Dbg( &sys.demuxer, "JumpSS FP");
5799                 break;
5800                 case 1:
5801                     p_type = p_command[5] & 0x0F;
5802                     switch ( p_type )
5803                     {
5804                     case 0x02:
5805                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Title Entry");
5806                         break;
5807                     case 0x03:
5808                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Root Menu");
5809                         break;
5810                     case 0x04:
5811                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Subpicture Menu");
5812                         break;
5813                     case 0x05:
5814                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Audio Menu");
5815                         break;
5816                     case 0x06:
5817                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Angle Menu");
5818                         break;
5819                     case 0x07:
5820                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Chapter Menu");
5821                         break;
5822                     default:
5823                         msg_Dbg( &sys.demuxer, "JumpSS <unknown>");
5824                         break;
5825                     }
5826                     // find the VMG
5827                     p_chapter = sys.BrowseCodecPrivate( 1, MatchIsVMG, NULL, 0, p_segment );
5828                     if ( p_segment != NULL )
5829                     {
5830                         p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
5831                         if ( p_chapter != NULL )
5832                         {
5833                             sys.JumpTo( *p_segment, p_chapter );
5834                             f_result = true;
5835                         }
5836                     }
5837                 break;
5838                 case 2:
5839                     p_type = p_command[5] & 0x0F;
5840                     switch ( p_type )
5841                     {
5842                     case 0x02:
5843                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Title Entry", p_command[4], p_command[3]);
5844                         break;
5845                     case 0x03:
5846                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Root Menu", p_command[4], p_command[3]);
5847                         break;
5848                     case 0x04:
5849                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Subpicture Menu", p_command[4], p_command[3]);
5850                         break;
5851                     case 0x05:
5852                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Audio Menu", p_command[4], p_command[3]);
5853                         break;
5854                     case 0x06:
5855                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Angle Menu", p_command[4], p_command[3]);
5856                         break;
5857                     case 0x07:
5858                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Chapter Menu", p_command[4], p_command[3]);
5859                         break;
5860                     default:
5861                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) <unknown>", p_command[4], p_command[3]);
5862                         break;
5863                     }
5864
5865                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSMNumber, &p_command[4], 1, p_segment );
5866
5867                     if ( p_segment != NULL && p_chapter != NULL )
5868                     {
5869                         // find the title in the VTS
5870                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &p_command[3], 1 );
5871                         if ( p_chapter != NULL )
5872                         {
5873                             // find the specified menu in the VTSM
5874                             p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
5875                             if ( p_chapter != NULL )
5876                             {
5877                                 sys.JumpTo( *p_segment, p_chapter );
5878                                 f_result = true;
5879                             }
5880                         }
5881                         else
5882                             msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", p_command[3] );
5883                     }
5884                     else
5885                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", p_command[4] );
5886                 break;
5887                 case 3:
5888                     msg_Dbg( &sys.demuxer, "JumpSS VMGM (pgc %d)", (p_command[2] << 8) + p_command[3]);
5889                 break;
5890             }
5891             break;
5892         }
5893     case CMD_DVD_JUMPVTS_PTT:
5894         {
5895             uint8 i_title = p_command[5];
5896             uint8 i_ptt = p_command[3];
5897
5898             msg_Dbg( &sys.demuxer, "JumpVTS Title (%d) PTT (%d)", i_title, i_ptt);
5899
5900             // find the current VTS content segment
5901             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchIsDomain, NULL, 0 );
5902             if ( p_chapter != NULL )
5903             {
5904                 int16 i_curr_title = p_chapter->GetTitleNumber( );
5905                 if ( i_curr_title > 0 )
5906                 {
5907                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSNumber, &i_curr_title, sizeof(i_curr_title), p_segment );
5908
5909                     if ( p_segment != NULL && p_chapter != NULL )
5910                     {
5911                         // find the title in the VTS
5912                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title) );
5913                         if ( p_chapter != NULL )
5914                         {
5915                             // find the chapter in the title
5916                             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchChapterNumber, &i_ptt, sizeof(i_ptt) );
5917                             if ( p_chapter != NULL )
5918                             {
5919                                 sys.JumpTo( *p_segment, p_chapter );
5920                                 f_result = true;
5921                             }
5922                         }
5923                     else
5924                         msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", i_title );
5925                     }
5926                     else
5927                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", i_curr_title );
5928                 }
5929                 else
5930                     msg_Dbg( &sys.demuxer, "JumpVTS_PTT command found but not in a VTS(M)");
5931             }
5932             else
5933                 msg_Dbg( &sys.demuxer, "JumpVTS_PTT command but the DVD domain wasn't found");
5934             break;
5935         }
5936     case CMD_DVD_SET_GPRMMD:
5937         {
5938             msg_Dbg( &sys.demuxer, "Set GPRMMD [%d]=%d", (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3]);
5939
5940             if ( !SetGPRM( (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3] ) )
5941                 msg_Dbg( &sys.demuxer, "Set GPRMMD failed" );
5942             break;
5943         }
5944     case CMD_DVD_LINKPGCN:
5945         {
5946             uint16 i_pgcn = (p_command[6] << 8) + p_command[7];
5947
5948             msg_Dbg( &sys.demuxer, "Link PGCN(%d)", i_pgcn );
5949             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchPgcNumber, &i_pgcn, 2 );
5950             if ( p_chapter != NULL )
5951             {
5952                 if ( !p_chapter->Enter( true ) )
5953                     // jump to the location in the found segment
5954                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5955
5956                 f_result = true;
5957             }
5958             break;
5959         }
5960     case CMD_DVD_LINKCN:
5961         {
5962             uint8 i_cn = p_command[7];
5963
5964             p_chapter = sys.p_current_segment->CurrentChapter();
5965
5966             msg_Dbg( &sys.demuxer, "LinkCN (cell %d)", i_cn );
5967             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchCellNumber, &i_cn, 1 );
5968             if ( p_chapter != NULL )
5969             {
5970                 if ( !p_chapter->Enter( true ) )
5971                     // jump to the location in the found segment
5972                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5973
5974                 f_result = true;
5975             }
5976             break;
5977         }
5978     case CMD_DVD_GOTO_LINE:
5979         {
5980             msg_Dbg( &sys.demuxer, "GotoLine (%d)", (p_command[6] << 8) + p_command[7] );
5981             // TODO
5982             break;
5983         }
5984     case CMD_DVD_SET_HL_BTNN1:
5985         {
5986             msg_Dbg( &sys.demuxer, "SetHL_BTN (%d)", p_command[4] );
5987             SetSPRM( 0x88, p_command[4] );
5988             break;
5989         }
5990     default:
5991         {
5992             msg_Dbg( &sys.demuxer, "unsupported command : %02X %02X %02X %02X %02X %02X %02X %02X"
5993                      ,p_command[0]
5994                      ,p_command[1]
5995                      ,p_command[2]
5996                      ,p_command[3]
5997                      ,p_command[4]
5998                      ,p_command[5]
5999                      ,p_command[6]
6000                      ,p_command[7]);
6001             break;
6002         }
6003     }
6004
6005     return f_result;
6006 }
6007
6008 bool dvd_command_interpretor_c::MatchIsDomain( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6009 {
6010     return ( data.p_private_data != NULL && data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS );
6011 }
6012
6013 bool dvd_command_interpretor_c::MatchIsVMG( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6014 {
6015     if ( data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
6016         return false;
6017
6018     return ( data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS && data.p_private_data->GetBuffer()[1] == 0xC0);
6019 }
6020
6021 bool dvd_command_interpretor_c::MatchVTSNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6022 {
6023     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6024         return false;
6025
6026     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x80 )
6027         return false;
6028
6029     uint16 i_gtitle = (data.p_private_data->GetBuffer()[2] << 8 ) + data.p_private_data->GetBuffer()[3];
6030     uint16 i_title = *(uint16*)p_cookie;
6031
6032     return (i_gtitle == i_title);
6033 }
6034
6035 bool dvd_command_interpretor_c::MatchVTSMNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6036 {
6037     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6038         return false;
6039
6040     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x40 )
6041         return false;
6042
6043     uint8 i_gtitle = data.p_private_data->GetBuffer()[3];
6044     uint8 i_title = *(uint8*)p_cookie;
6045
6046     return (i_gtitle == i_title);
6047 }
6048
6049 bool dvd_command_interpretor_c::MatchTitleNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6050 {
6051     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6052         return false;
6053
6054     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_TT )
6055         return false;
6056
6057     uint16 i_gtitle = (data.p_private_data->GetBuffer()[1] << 8 ) + data.p_private_data->GetBuffer()[2];
6058     uint8 i_title = *(uint8*)p_cookie;
6059
6060     return (i_gtitle == i_title);
6061 }
6062
6063 bool dvd_command_interpretor_c::MatchPgcType( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6064 {
6065     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6066         return false;
6067
6068     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6069         return false;
6070
6071     uint8 i_pgc_type = data.p_private_data->GetBuffer()[3] & 0x0F;
6072     uint8 i_pgc = *(uint8*)p_cookie;
6073
6074     return (i_pgc_type == i_pgc);
6075 }
6076
6077 bool dvd_command_interpretor_c::MatchPgcNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6078 {
6079     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6080         return false;
6081
6082     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6083         return false;
6084
6085     uint16 *i_pgc_n = (uint16 *)p_cookie;
6086     uint16 i_pgc_num = (data.p_private_data->GetBuffer()[1] << 8) + data.p_private_data->GetBuffer()[2];
6087
6088     return (i_pgc_num == *i_pgc_n);
6089 }
6090
6091 bool dvd_command_interpretor_c::MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6092 {
6093     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
6094         return false;
6095
6096     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PTT )
6097         return false;
6098
6099     uint8 i_chapter = data.p_private_data->GetBuffer()[1];
6100     uint8 i_ptt = *(uint8*)p_cookie;
6101
6102     return (i_chapter == i_ptt);
6103 }
6104
6105 bool dvd_command_interpretor_c::MatchCellNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6106 {
6107     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 5 )
6108         return false;
6109
6110     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_CN )
6111         return false;
6112
6113     uint8 *i_cell_n = (uint8 *)p_cookie;
6114     uint8 i_cell_num = data.p_private_data->GetBuffer()[3];
6115
6116     return (i_cell_num == *i_cell_n);
6117 }
6118
6119 bool matroska_script_codec_c::Enter()
6120 {
6121     bool f_result = false;
6122     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
6123     while ( index != enter_cmds.end() )
6124     {
6125         if ( (*index)->GetSize() )
6126         {
6127             msg_Dbg( &sys.demuxer, "Matroska Script enter command" );
6128             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6129         }
6130         index++;
6131     }
6132     return f_result;
6133 }
6134
6135 bool matroska_script_codec_c::Leave()
6136 {
6137     bool f_result = false;
6138     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
6139     while ( index != leave_cmds.end() )
6140     {
6141         if ( (*index)->GetSize() )
6142         {
6143             msg_Dbg( &sys.demuxer, "Matroska Script leave command" );
6144             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6145         }
6146         index++;
6147     }
6148     return f_result;
6149 }
6150
6151 // see http://www.matroska.org/technical/specs/chapters/index.html#mscript
6152 //  for a description of existing commands
6153 bool matroska_script_interpretor_c::Interpret( const binary * p_command, size_t i_size )
6154 {
6155     bool b_result = false;
6156
6157     char *psz_str = (char*) malloc( i_size + 1 );
6158     memcpy( psz_str, p_command, i_size );
6159     psz_str[ i_size ] = '\0';
6160
6161     std::string sz_command = psz_str;
6162     free( psz_str );
6163
6164     msg_Dbg( &sys.demuxer, "command : %s", sz_command.c_str() );
6165
6166 #if defined(__GNUC__) && (__GNUC__ < 3)
6167     if ( sz_command.compare( CMD_MS_GOTO_AND_PLAY, 0, CMD_MS_GOTO_AND_PLAY.size() ) == 0 )
6168 #else
6169     if ( sz_command.compare( 0, CMD_MS_GOTO_AND_PLAY.size(), CMD_MS_GOTO_AND_PLAY ) == 0 )
6170 #endif
6171     {
6172         size_t i,j;
6173
6174         // find the (
6175         for ( i=CMD_MS_GOTO_AND_PLAY.size(); i<sz_command.size(); i++)
6176         {
6177             if ( sz_command[i] == '(' )
6178             {
6179                 i++;
6180                 break;
6181             }
6182         }
6183         // find the )
6184         for ( j=i; j<sz_command.size(); j++)
6185         {
6186             if ( sz_command[j] == ')' )
6187             {
6188                 i--;
6189                 break;
6190             }
6191         }
6192
6193         std::string st = sz_command.substr( i+1, j-i-1 );
6194         int64_t i_chapter_uid = atoi( st.c_str() );
6195
6196         virtual_segment_c *p_segment;
6197         chapter_item_c *p_chapter = sys.FindChapter( i_chapter_uid, p_segment );
6198
6199         if ( p_chapter == NULL )
6200             msg_Dbg( &sys.demuxer, "Chapter "I64Fd" not found", i_chapter_uid);
6201         else
6202         {
6203             if ( !p_chapter->EnterAndLeave( sys.p_current_segment->CurrentChapter() ) )
6204                 p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6205             b_result = true;
6206         }
6207     }
6208
6209     return b_result;
6210 }
6211
6212 void demux_sys_t::SwapButtons()
6213 {
6214 #ifndef WORDS_BIGENDIAN
6215     uint8_t button, i, j;
6216
6217     for( button = 1; button <= pci_packet.hli.hl_gi.btn_ns; button++) {
6218         btni_t *button_ptr = &(pci_packet.hli.btnit[button-1]);
6219         binary *p_data = (binary*) button_ptr;
6220
6221         uint16 i_x_start = ((p_data[0] & 0x3F) << 4 ) + ( p_data[1] >> 4 );
6222         uint16 i_x_end   = ((p_data[1] & 0x03) << 8 ) + p_data[2];
6223         uint16 i_y_start = ((p_data[3] & 0x3F) << 4 ) + ( p_data[4] >> 4 );
6224         uint16 i_y_end   = ((p_data[4] & 0x03) << 8 ) + p_data[5];
6225         button_ptr->x_start = i_x_start;
6226         button_ptr->x_end   = i_x_end;
6227         button_ptr->y_start = i_y_start;
6228         button_ptr->y_end   = i_y_end;
6229
6230     }
6231     for ( i = 0; i<3; i++ )
6232     {
6233         for ( j = 0; j<2; j++ )
6234         {
6235             pci_packet.hli.btn_colit.btn_coli[i][j] = U32_AT( &pci_packet.hli.btn_colit.btn_coli[i][j] );
6236         }
6237     }
6238 #endif
6239 }