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

   1 /*****************************************************************************
   2  * mkv.cpp : matroska demuxer
   3  *****************************************************************************
   4  * Copyright (C) 2003-2004 VideoLAN
   5  * $Id$
   6  *
   7  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   8  *          Steve Lhomme <steve.lhomme@free.fr>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  23  *****************************************************************************/
  24
  25 /*****************************************************************************
  26  * Preamble
  27  *****************************************************************************/
  28 #include <stdlib.h>                                      /* malloc(), free() */
  29
  30 #include <vlc/vlc.h>
  31
  32 #ifdef HAVE_TIME_H
  33 #   include <time.h>                                               /* time() */
  34 #endif
  35
  36 #include <vlc/input.h>
  37
  38 #include <codecs.h>                        /* BITMAPINFOHEADER, WAVEFORMATEX */
  39 #include "iso_lang.h"
  40 #include "vlc_meta.h"
  41
  42 #include <iostream>
  43 #include <cassert>
  44 #include <typeinfo>
  45 #include <string>
  46 #include <vector>
  47 #include <algorithm>
  48
  49 #ifdef HAVE_DIRENT_H
  50 #   include <dirent.h>
  51 #endif
  52
  53 /* libebml and matroska */
  54 #include "ebml/EbmlHead.h"
  55 #include "ebml/EbmlSubHead.h"
  56 #include "ebml/EbmlStream.h"
  57 #include "ebml/EbmlContexts.h"
  58 #include "ebml/EbmlVoid.h"
  59 #include "ebml/EbmlVersion.h"
  60 #include "ebml/StdIOCallback.h"
  61
  62 #include "matroska/KaxAttachments.h"
  63 #include "matroska/KaxBlock.h"
  64 #include "matroska/KaxBlockData.h"
  65 #include "matroska/KaxChapters.h"
  66 #include "matroska/KaxCluster.h"
  67 #include "matroska/KaxClusterData.h"
  68 #include "matroska/KaxContexts.h"
  69 #include "matroska/KaxCues.h"
  70 #include "matroska/KaxCuesData.h"
  71 #include "matroska/KaxInfo.h"
  72 #include "matroska/KaxInfoData.h"
  73 #include "matroska/KaxSeekHead.h"
  74 #include "matroska/KaxSegment.h"
  75 #include "matroska/KaxTag.h"
  76 #include "matroska/KaxTags.h"
  77 #include "matroska/KaxTagMulti.h"
  78 #include "matroska/KaxTracks.h"
  79 #include "matroska/KaxTrackAudio.h"
  80 #include "matroska/KaxTrackVideo.h"
  81 #include "matroska/KaxTrackEntryData.h"
  82 #include "matroska/KaxContentEncoding.h"
  83 #include "matroska/KaxVersion.h"
  84
  85 #include "ebml/StdIOCallback.h"
  86
  87 #include "vlc_keys.h"
  88
  89 extern "C" {
  90    #include "mp4/libmp4.h"
  91 }
  92 #ifdef HAVE_ZLIB_H
  93 #   include <zlib.h>
  94 #endif
  95
  96 #define MATROSKA_COMPRESSION_NONE 0
  97 #define MATROSKA_COMPRESSION_ZLIB 1
  98
  99 #define MKVD_TIMECODESCALE 1000000
 100
 101 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 102 #ifdef VSLHC1
 103 #define DVDNAV_COMPILE
 104 #include <dvdnav.h>
 105 #else /* VSLHC */
 106
 107 #undef ATTRIBUTE_PACKED
 108 #undef PRAGMA_PACK_BEGIN
 109 #undef PRAGMA_PACK_END
 110
 111 #if defined(__GNUC__)
 112 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)
 113 #define ATTRIBUTE_PACKED __attribute__ ((packed))
 114 #define PRAGMA_PACK 0
 115 #endif
 116 #endif
 117
 118 #if !defined(ATTRIBUTE_PACKED)
 119 #define ATTRIBUTE_PACKED
 120 #define PRAGMA_PACK 1
 121 #endif
 122
 123 #if PRAGMA_PACK
 124 #pragma pack(1)
 125 #endif
 126
 127 /*************************************
 128 *  taken from libdvdnav / libdvdread
 129 **************************************/
 130
 131 /**
 132  * DVD Time Information.
 133  */
 134 typedef struct {
 135   uint8_t hour;
 136   uint8_t minute;
 137   uint8_t second;
 138   uint8_t frame_u; /* The two high bits are the frame rate. */
 139 } ATTRIBUTE_PACKED dvd_time_t;
 140
 141 /**
 142  * User Operations.
 143  */
 144 typedef struct {
 145 #ifdef WORDS_BIGENDIAN
 146   unsigned char zero                           : 7; /* 25-31 */
 147   unsigned char video_pres_mode_change         : 1; /* 24 */
 148
 149   unsigned char karaoke_audio_pres_mode_change : 1; /* 23 */
 150   unsigned char angle_change                   : 1;
 151   unsigned char subpic_stream_change           : 1;
 152   unsigned char audio_stream_change            : 1;
 153   unsigned char pause_on                       : 1;
 154   unsigned char still_off                      : 1;
 155   unsigned char button_select_or_activate      : 1;
 156   unsigned char resume                         : 1; /* 16 */
 157
 158   unsigned char chapter_menu_call              : 1; /* 15 */
 159   unsigned char angle_menu_call                : 1;
 160   unsigned char audio_menu_call                : 1;
 161   unsigned char subpic_menu_call               : 1;
 162   unsigned char root_menu_call                 : 1;
 163   unsigned char title_menu_call                : 1;
 164   unsigned char backward_scan                  : 1;
 165   unsigned char forward_scan                   : 1; /* 8 */
 166
 167   unsigned char next_pg_search                 : 1; /* 7 */
 168   unsigned char prev_or_top_pg_search          : 1;
 169   unsigned char time_or_chapter_search         : 1;
 170   unsigned char go_up                          : 1;
 171   unsigned char stop                           : 1;
 172   unsigned char title_play                     : 1;
 173   unsigned char chapter_search_or_play         : 1;
 174   unsigned char title_or_time_play             : 1; /* 0 */
 175 #else
 176   unsigned char video_pres_mode_change         : 1; /* 24 */
 177   unsigned char zero                           : 7; /* 25-31 */
 178
 179   unsigned char resume                         : 1; /* 16 */
 180   unsigned char button_select_or_activate      : 1;
 181   unsigned char still_off                      : 1;
 182   unsigned char pause_on                       : 1;
 183   unsigned char audio_stream_change            : 1;
 184   unsigned char subpic_stream_change           : 1;
 185   unsigned char angle_change                   : 1;
 186   unsigned char karaoke_audio_pres_mode_change : 1; /* 23 */
 187
 188   unsigned char forward_scan                   : 1; /* 8 */
 189   unsigned char backward_scan                  : 1;
 190   unsigned char title_menu_call                : 1;
 191   unsigned char root_menu_call                 : 1;
 192   unsigned char subpic_menu_call               : 1;
 193   unsigned char audio_menu_call                : 1;
 194   unsigned char angle_menu_call                : 1;
 195   unsigned char chapter_menu_call              : 1; /* 15 */
 196
 197   unsigned char title_or_time_play             : 1; /* 0 */
 198   unsigned char chapter_search_or_play         : 1;
 199   unsigned char title_play                     : 1;
 200   unsigned char stop                           : 1;
 201   unsigned char go_up                          : 1;
 202   unsigned char time_or_chapter_search         : 1;
 203   unsigned char prev_or_top_pg_search          : 1;
 204   unsigned char next_pg_search                 : 1; /* 7 */
 205 #endif
 206 } ATTRIBUTE_PACKED user_ops_t;
 207
 208 /**
 209  * Type to store per-command data.
 210  */
 211 typedef struct {
 212   uint8_t bytes[8];
 213 } ATTRIBUTE_PACKED vm_cmd_t;
 214 #define COMMAND_DATA_SIZE 8
 215
 216 /**
 217  * PCI General Information
 218  */
 219 typedef struct {
 220   uint32_t nv_pck_lbn;      /**< sector address of this nav pack */
 221   uint16_t vobu_cat;        /**< 'category' of vobu */
 222   uint16_t zero1;           /**< reserved */
 223   user_ops_t vobu_uop_ctl;  /**< UOP of vobu */
 224   uint32_t vobu_s_ptm;      /**< start presentation time of vobu */
 225   uint32_t vobu_e_ptm;      /**< end presentation time of vobu */
 226   uint32_t vobu_se_e_ptm;   /**< end ptm of sequence end in vobu */
 227   dvd_time_t e_eltm;        /**< Cell elapsed time */
 228   char vobu_isrc[32];
 229 } ATTRIBUTE_PACKED pci_gi_t;
 230
 231 /**
 232  * Non Seamless Angle Information
 233  */
 234 typedef struct {
 235   uint32_t nsml_agl_dsta[9];  /**< address of destination vobu in AGL_C#n */
 236 } ATTRIBUTE_PACKED nsml_agli_t;
 237
 238 /**
 239  * Highlight General Information
 240  *
 241  * For btngrX_dsp_ty the bits have the following meaning:
 242  * 000b: normal 4/3 only buttons
 243  * XX1b: wide (16/9) buttons
 244  * X1Xb: letterbox buttons
 245  * 1XXb: pan&scan buttons
 246  */
 247 typedef struct {
 248   uint16_t hli_ss; /**< status, only low 2 bits 0: no buttons, 1: different 2: equal 3: eual except for button cmds */
 249   uint32_t hli_s_ptm;              /**< start ptm of hli */
 250   uint32_t hli_e_ptm;              /**< end ptm of hli */
 251   uint32_t btn_se_e_ptm;           /**< end ptm of button select */
 252 #ifdef WORDS_BIGENDIAN
 253   unsigned char zero1 : 2;          /**< reserved */
 254   unsigned char btngr_ns : 2;       /**< number of button groups 1, 2 or 3 with 36/18/12 buttons */
 255   unsigned char zero2 : 1;          /**< reserved */
 256   unsigned char btngr1_dsp_ty : 3;  /**< display type of subpic stream for button group 1 */
 257   unsigned char zero3 : 1;          /**< reserved */
 258   unsigned char btngr2_dsp_ty : 3;  /**< display type of subpic stream for button group 2 */
 259   unsigned char zero4 : 1;          /**< reserved */
 260   unsigned char btngr3_dsp_ty : 3;  /**< display type of subpic stream for button group 3 */
 261 #else
 262   unsigned char btngr1_dsp_ty : 3;
 263   unsigned char zero2 : 1;
 264   unsigned char btngr_ns : 2;
 265   unsigned char zero1 : 2;
 266   unsigned char btngr3_dsp_ty : 3;
 267   unsigned char zero4 : 1;
 268   unsigned char btngr2_dsp_ty : 3;
 269   unsigned char zero3 : 1;
 270 #endif
 271   uint8_t btn_ofn;     /**< button offset number range 0-255 */
 272   uint8_t btn_ns;      /**< number of valid buttons  <= 36/18/12 (low 6 bits) */
 273   uint8_t nsl_btn_ns;  /**< number of buttons selectable by U_BTNNi (low 6 bits)   nsl_btn_ns <= btn_ns */
 274   uint8_t zero5;       /**< reserved */
 275   uint8_t fosl_btnn;   /**< forcedly selected button  (low 6 bits) */
 276   uint8_t foac_btnn;   /**< forcedly activated button (low 6 bits) */
 277 } ATTRIBUTE_PACKED hl_gi_t;
 278
 279
 280 /**
 281  * Button Color Information Table
 282  * Each entry beeing a 32bit word that contains the color indexs and alpha
 283  * values to use.  They are all represented by 4 bit number and stored
 284  * like this [Ci3, Ci2, Ci1, Ci0, A3, A2, A1, A0].   The actual palette
 285  * that the indexes reference is in the PGC.
 286  * @TODO split the uint32_t into a struct
 287  */
 288 typedef struct {
 289   uint32_t btn_coli[3][2];  /**< [button color number-1][select:0/action:1] */
 290 } ATTRIBUTE_PACKED btn_colit_t;
 291
 292 /**
 293  * Button Information
 294  *
 295  * NOTE: I've had to change the structure from the disk layout to get
 296  * the packing to work with Sun's Forte C compiler.
 297  * The 4 and 7 bytes are 'rotated' was: ABC DEF GHIJ  is: ABCG DEFH IJ
 298  */
 299 typedef struct {
 300 #ifdef WORDS_BIGENDIAN
 301   uint32        btn_coln         : 2;  /**< button color number */
 302   uint32        x_start          : 10; /**< x start offset within the overlay */
 303   uint32        zero1            : 2;  /**< reserved */
 304   uint32        x_end            : 10; /**< x end offset within the overlay */
 305
 306   uint32        zero3            : 2;  /**< reserved */
 307   uint32        up               : 6;  /**< button index when pressing up */
 308
 309   uint32        auto_action_mode : 2;  /**< 0: no, 1: activated if selected */
 310   uint32        y_start          : 10; /**< y start offset within the overlay */
 311   uint32        zero2            : 2;  /**< reserved */
 312   uint32        y_end            : 10; /**< y end offset within the overlay */
 313
 314   uint32        zero4            : 2;  /**< reserved */
 315   uint32        down             : 6;  /**< button index when pressing down */
 316   unsigned char zero5            : 2;  /**< reserved */
 317   unsigned char left             : 6;  /**< button index when pressing left */
 318   unsigned char zero6            : 2;  /**< reserved */
 319   unsigned char right            : 6;  /**< button index when pressing right */
 320 #else
 321   uint32        x_end            : 10;
 322   uint32        zero1            : 2;
 323   uint32        x_start          : 10;
 324   uint32        btn_coln         : 2;
 325
 326   uint32        up               : 6;
 327   uint32        zero3            : 2;
 328
 329   uint32        y_end            : 10;
 330   uint32        zero2            : 2;
 331   uint32        y_start          : 10;
 332   uint32        auto_action_mode : 2;
 333
 334   uint32        down             : 6;
 335   uint32        zero4            : 2;
 336   unsigned char left             : 6;
 337   unsigned char zero5            : 2;
 338   unsigned char right            : 6;
 339   unsigned char zero6            : 2;
 340 #endif
 341   vm_cmd_t cmd;
 342 } ATTRIBUTE_PACKED btni_t;
 343
 344 /**
 345  * Highlight Information
 346  */
 347 typedef struct {
 348   hl_gi_t     hl_gi;
 349   btn_colit_t btn_colit;
 350   btni_t      btnit[36];
 351 } ATTRIBUTE_PACKED hli_t;
 352
 353 /**
 354  * PCI packet
 355  */
 356 typedef struct {
 357   pci_gi_t    pci_gi;
 358   nsml_agli_t nsml_agli;
 359   hli_t       hli;
 360   uint8_t     zero1[189];
 361 } ATTRIBUTE_PACKED pci_t;
 362
 363
 364 #if PRAGMA_PACK
 365 #pragma pack()
 366 #endif
 367
 368 #endif /* VSLHC */
 369 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 370
 371
 372 /**
 373  * What's between a directory and a filename?
 374  */
 375 #if defined( WIN32 )
 376     #define DIRECTORY_SEPARATOR '\\'
 377 #else
 378     #define DIRECTORY_SEPARATOR '/'
 379 #endif
 380
 381 using namespace LIBMATROSKA_NAMESPACE;
 382 using namespace std;
 383
 384 /*****************************************************************************
 385  * Module descriptor
 386  *****************************************************************************/
 387 static int  Open ( vlc_object_t * );
 388 static void Close( vlc_object_t * );
 389
 390 vlc_module_begin();
 391     set_shortname( _("Matroska") );
 392     set_description( _("Matroska stream demuxer" ) );
 393     set_capability( "demux2", 50 );
 394     set_callbacks( Open, Close );
 395     set_category( CAT_INPUT );
 396     set_subcategory( SUBCAT_INPUT_DEMUX );
 397
 398     add_bool( "mkv-use-ordered-chapters", 1, NULL,
 399             N_("Ordered chapters"),
 400             N_("Play ordered chapters as specified in the segment"), VLC_TRUE );
 401
 402     add_bool( "mkv-use-chapter-codec", 1, NULL,
 403             N_("Chapter codecs"),
 404             N_("Use chapter codecs found in the segment"), VLC_TRUE );
 405
 406     add_bool( "mkv-seek-percent", 0, NULL,
 407             N_("Seek based on percent not time"),
 408             N_("Seek based on percent not time"), VLC_TRUE );
 409
 410     add_bool( "mkv-use-dummy", 0, NULL,
 411             N_("Dummy Elements"),
 412             N_("Read and discard unknown EBML elements (not good for broken files)"), VLC_TRUE );
 413
 414     add_shortcut( "mka" );
 415     add_shortcut( "mkv" );
 416 vlc_module_end();
 417
 418 /*****************************************************************************
 419  * Local prototypes
 420  *****************************************************************************/
 421 #ifdef HAVE_ZLIB_H
 422 block_t *block_zlib_decompress( vlc_object_t *p_this, block_t *p_in_block ) {
 423     int result, dstsize, n;
 424     unsigned char *dst;
 425     block_t *p_block;
 426     z_stream d_stream;
 427
 428     d_stream.zalloc = (alloc_func)0;
 429     d_stream.zfree = (free_func)0;
 430     d_stream.opaque = (voidpf)0;
 431     result = inflateInit(&d_stream);
 432     if( result != Z_OK )
 433     {
 434         msg_Dbg( p_this, "inflateInit() failed. Result: %d", result );
 435         return NULL;
 436     }
 437
 438     d_stream.next_in = (Bytef *)p_in_block->p_buffer;
 439     d_stream.avail_in = p_in_block->i_buffer;
 440     n = 0;
 441     p_block = block_New( p_this, 0 );
 442     dst = NULL;
 443     do
 444     {
 445         n++;
 446         p_block = block_Realloc( p_block, 0, n * 1000 );
 447         dst = (unsigned char *)p_block->p_buffer;
 448         d_stream.next_out = (Bytef *)&dst[(n - 1) * 1000];
 449         d_stream.avail_out = 1000;
 450         result = inflate(&d_stream, Z_NO_FLUSH);
 451         if( ( result != Z_OK ) && ( result != Z_STREAM_END ) )
 452         {
 453             msg_Dbg( p_this, "Zlib decompression failed. Result: %d", result );
 454             return NULL;
 455         }
 456     }
 457     while( ( d_stream.avail_out == 0 ) && ( d_stream.avail_in != 0 ) &&
 458            ( result != Z_STREAM_END ) );
 459
 460     dstsize = d_stream.total_out;
 461     inflateEnd( &d_stream );
 462
 463     p_block = block_Realloc( p_block, 0, dstsize );
 464     p_block->i_buffer = dstsize;
 465     block_Release( p_in_block );
 466
 467     return p_block;
 468 }
 469 #endif
 470
 471 /**
 472  * Helper function to print the mkv parse tree
 473  */
 474 static void MkvTree( demux_t & demuxer, int i_level, char *psz_format, ... )
 475 {
 476     va_list args;
 477     if( i_level > 9 )
 478     {
 479         msg_Err( &demuxer, "too deep tree" );
 480         return;
 481     }
 482     va_start( args, psz_format );
 483     static char *psz_foo = "|   |   |   |   |   |   |   |   |   |";
 484     char *psz_foo2 = (char*)malloc( ( i_level * 4 + 3 + strlen( psz_format ) ) * sizeof(char) );
 485     strncpy( psz_foo2, psz_foo, 4 * i_level );
 486     psz_foo2[ 4 * i_level ] = '+';
 487     psz_foo2[ 4 * i_level + 1 ] = ' ';
 488     strcpy( &psz_foo2[ 4 * i_level + 2 ], psz_format );
 489     __msg_GenericVa( VLC_OBJECT(&demuxer), VLC_MSG_DBG, "mkv", psz_foo2, args );
 490     free( psz_foo2 );
 491     va_end( args );
 492 }
 493
 494 /*****************************************************************************
 495  * Stream managment
 496  *****************************************************************************/
 497 class vlc_stream_io_callback: public IOCallback
 498 {
 499   private:
 500     stream_t       *s;
 501     vlc_bool_t     mb_eof;
 502
 503   public:
 504     vlc_stream_io_callback( stream_t * );
 505
 506     virtual uint32   read            ( void *p_buffer, size_t i_size);
 507     virtual void     setFilePointer  ( int64_t i_offset, seek_mode mode = seek_beginning );
 508     virtual size_t   write           ( const void *p_buffer, size_t i_size);
 509     virtual uint64   getFilePointer  ( void );
 510     virtual void     close           ( void );
 511 };
 512
 513 /*****************************************************************************
 514  * Ebml Stream parser
 515  *****************************************************************************/
 516 class EbmlParser
 517 {
 518   public:
 519     EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux );
 520     virtual ~EbmlParser( void );
 521
 522     void Up( void );
 523     void Down( void );
 524     void Reset( demux_t *p_demux );
 525     EbmlElement *Get( void );
 526     void        Keep( void );
 527
 528     int GetLevel( void );
 529
 530   private:
 531     EbmlStream  *m_es;
 532     int         mi_level;
 533     EbmlElement *m_el[10];
 534     int64_t      mi_remain_size[10];
 535
 536     EbmlElement *m_got;
 537
 538     int         mi_user_level;
 539     vlc_bool_t  mb_keep;
 540     vlc_bool_t  mb_dummy;
 541 };
 542
 543
 544 /*****************************************************************************
 545  * Some functions to manipulate memory
 546  *****************************************************************************/
 547 #define GetFOURCC( p )  __GetFOURCC( (uint8_t*)p )
 548 static vlc_fourcc_t __GetFOURCC( uint8_t *p )
 549 {
 550     return VLC_FOURCC( p[0], p[1], p[2], p[3] );
 551 }
 552
 553 /*****************************************************************************
 554  * definitions of structures and functions used by this plugins
 555  *****************************************************************************/
 556 typedef struct
 557 {
 558     vlc_bool_t   b_default;
 559     vlc_bool_t   b_enabled;
 560     unsigned int i_number;
 561
 562     int          i_extra_data;
 563     uint8_t      *p_extra_data;
 564
 565     char         *psz_codec;
 566
 567     uint64_t     i_default_duration;
 568     float        f_timecodescale;
 569
 570     /* video */
 571     es_format_t fmt;
 572     float       f_fps;
 573     es_out_id_t *p_es;
 574
 575     vlc_bool_t      b_inited;
 576     /* data to be send first */
 577     int             i_data_init;
 578     uint8_t         *p_data_init;
 579
 580     /* hack : it's for seek */
 581     vlc_bool_t      b_search_keyframe;
 582     vlc_bool_t      b_silent;
 583
 584     /* informative */
 585     char         *psz_codec_name;
 586     char         *psz_codec_settings;
 587     char         *psz_codec_info_url;
 588     char         *psz_codec_download_url;
 589
 590     /* encryption/compression */
 591     int           i_compression_type;
 592
 593 } mkv_track_t;
 594
 595 typedef struct
 596 {
 597     int     i_track;
 598     int     i_block_number;
 599
 600     int64_t i_position;
 601     int64_t i_time;
 602
 603     vlc_bool_t b_key;
 604 } mkv_index_t;
 605
 606 class demux_sys_t;
 607
 608 const binary MATROSKA_DVD_LEVEL_SS   = 0x30;
 609 const binary MATROSKA_DVD_LEVEL_LU   = 0x2A;
 610 const binary MATROSKA_DVD_LEVEL_TT   = 0x28;
 611 const binary MATROSKA_DVD_LEVEL_PGC  = 0x20;
 612 const binary MATROSKA_DVD_LEVEL_PG   = 0x18;
 613 const binary MATROSKA_DVD_LEVEL_PTT  = 0x10;
 614 const binary MATROSKA_DVD_LEVEL_CN   = 0x08;
 615
 616 class chapter_codec_cmds_c
 617 {
 618 public:
 619     chapter_codec_cmds_c( demux_sys_t & demuxer, int codec_id = -1)
 620     :i_codec_id( codec_id )
 621     ,sys( demuxer )
 622     {}
 623
 624     virtual ~chapter_codec_cmds_c() {}
 625
 626     void SetPrivate( const KaxChapterProcessPrivate & private_data )
 627     {
 628         m_private_data = *( new KaxChapterProcessPrivate( private_data ) );
 629     }
 630
 631     void AddCommand( const KaxChapterProcessCommand & command );
 632
 633     /// \return wether the codec has seeked in the files or not
 634     virtual bool Enter() { return false; }
 635     virtual bool Leave() { return false; }
 636     virtual std::string GetCodecName( bool f_for_title = false ) const { return ""; }
 637     virtual int16 GetTitleNumber() { return -1; }
 638
 639     KaxChapterProcessPrivate m_private_data;
 640
 641 protected:
 642     std::vector<KaxChapterProcessData> enter_cmds;
 643     std::vector<KaxChapterProcessData> during_cmds;
 644     std::vector<KaxChapterProcessData> leave_cmds;
 645
 646     int i_codec_id;
 647     demux_sys_t & sys;
 648 };
 649
 650 class dvd_command_interpretor_c
 651 {
 652 public:
 653     dvd_command_interpretor_c( demux_sys_t & demuxer )
 654     :sys( demuxer )
 655     {
 656         memset( p_PRMs, 0, sizeof(p_PRMs) );
 657         p_PRMs[ 0x80 + 1 ] = 15;
 658         p_PRMs[ 0x80 + 2 ] = 62;
 659         p_PRMs[ 0x80 + 3 ] = 1;
 660         p_PRMs[ 0x80 + 4 ] = 1;
 661         p_PRMs[ 0x80 + 7 ] = 1;
 662         p_PRMs[ 0x80 + 8 ] = 1;
 663         p_PRMs[ 0x80 + 16 ] = 0xFFFFu;
 664         p_PRMs[ 0x80 + 18 ] = 0xFFFFu;
 665     }
 666
 667     bool Interpret( const binary * p_command, size_t i_size = 8 );
 668
 669     uint16 GetPRM( size_t index ) const
 670     {
 671         if ( index < 256 )
 672             return p_PRMs[ index ];
 673         else return 0;
 674     }
 675
 676     uint16 GetGPRM( size_t index ) const
 677     {
 678         if ( index >= 0 && index < 16 )
 679             return p_PRMs[ index ];
 680         else return 0;
 681     }
 682
 683     uint16 GetSPRM( size_t index ) const
 684     {
 685         // 21,22,23 reserved for future use
 686         if ( index >= 0x80 && index < 0x95 )
 687             return p_PRMs[ index ];
 688         else return 0;
 689     }
 690
 691     bool SetPRM( size_t index, uint16 value )
 692     {
 693         if ( index >= 0 && index < 16 )
 694         {
 695             p_PRMs[ index ] = value;
 696             return true;
 697         }
 698         return false;
 699     }
 700
 701     bool SetGPRM( size_t index, uint16 value )
 702     {
 703         if ( index >= 0 && index < 16 )
 704         {
 705             p_PRMs[ index ] = value;
 706             return true;
 707         }
 708         return false;
 709     }
 710
 711     bool SetSPRM( size_t index, uint16 value )
 712     {
 713         if ( index > 0x80 && index <= 0x8D && index != 0x8C )
 714         {
 715             p_PRMs[ index ] = value;
 716             return true;
 717         }
 718         return false;
 719     }
 720
 721 protected:
 722     std::string GetRegTypeName( bool b_value, uint16 value ) const
 723     {
 724         std::string result;
 725         char s_value[6], s_reg_value[6];
 726         sprintf( s_value, "%.5d", value );
 727
 728         if ( b_value )
 729         {
 730             result = "value (";
 731             result += s_value;
 732             result += ")";
 733         }
 734         else if ( value < 0x80 )
 735         {
 736             sprintf( s_reg_value, "%.5d", GetPRM( value ) );
 737             result = "GPreg[";
 738             result += s_value;
 739             result += "] (";
 740             result += s_reg_value;
 741             result += ")";
 742         }
 743         else
 744         {
 745             sprintf( s_reg_value, "%.5d", GetPRM( value ) );
 746             result = "SPreg[";
 747             result += s_value;
 748             result += "] (";
 749             result += s_reg_value;
 750             result += ")";
 751         }
 752         return result;
 753     }
 754
 755     uint16       p_PRMs[256];
 756     demux_sys_t  & sys;
 757
 758     // DVD command IDs
 759
 760     // Tests
 761     // wether the test has to be positive or not
 762     static const uint16 CMD_DVD_IF_NOT              = 0x10;
 763     // wether it's a comparison on the value or register
 764     static const uint16 CMD_DVD_TEST_VALUE          = 0x80;
 765     static const uint16 CMD_DVD_IF_GPREG_AND        = (0 << 5);
 766     static const uint16 CMD_DVD_IF_GPREG_EQUAL      = (1 << 5);
 767     static const uint16 CMD_DVD_IF_GPREG_SUP_EQUAL  = (2 << 5);
 768     static const uint16 CMD_DVD_IF_GPREG_INF        = (3 << 5);
 769
 770     static const uint16 CMD_DVD_NOP                    = 0x0000;
 771     static const uint16 CMD_DVD_GOTO_LINE              = 0x0001;
 772     static const uint16 CMD_DVD_BREAK                  = 0x0002;
 773     // Links
 774     static const uint16 CMD_DVD_NOP2                   = 0x2001;
 775     static const uint16 CMD_DVD_LINKPGCN               = 0x2004;
 776     static const uint16 CMD_DVD_LINKPGN                = 0x2006;
 777     static const uint16 CMD_DVD_LINKCN                 = 0x2007;
 778     static const uint16 CMD_DVD_JUMP_TT                = 0x3002;
 779     static const uint16 CMD_DVD_JUMPVTS_TT             = 0x3003;
 780     static const uint16 CMD_DVD_JUMPVTS_PTT            = 0x3005;
 781     static const uint16 CMD_DVD_JUMP_SS                = 0x3006;
 782     static const uint16 CMD_DVD_CALLSS_VTSM1           = 0x3008;
 783     //
 784     static const uint16 CMD_DVD_SET_HL_BTNN2           = 0x4600;
 785     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN1  = 0x4604;
 786     static const uint16 CMD_DVD_SET_STREAM             = 0x5100;
 787     static const uint16 CMD_DVD_SET_GPRMMD             = 0x5300;
 788     static const uint16 CMD_DVD_SET_HL_BTNN1           = 0x5600;
 789     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN2  = 0x5604;
 790     static const uint16 CMD_DVD_SET_HL_BTNN_LINKCN     = 0x5607;
 791     // Operations
 792     static const uint16 CMD_DVD_MOV_SPREG_PREG         = 0x6100;
 793     static const uint16 CMD_DVD_GPREG_MOV_VALUE        = 0x7100;
 794     static const uint16 CMD_DVD_SUB_GPREG              = 0x7400;
 795     static const uint16 CMD_DVD_MULT_GPREG             = 0x7500;
 796     static const uint16 CMD_DVD_GPREG_DIV_VALUE        = 0x7600;
 797     static const uint16 CMD_DVD_GPREG_AND_VALUE        = 0x7900;
 798
 799     // callbacks when browsing inside CodecPrivate
 800     static bool MatchIsDomain     ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 801     static bool MatchVTSNumber    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 802     static bool MatchTitleNumber  ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 803     static bool MatchPgcType      ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 804     static bool MatchPgcNumber    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 805     static bool MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 806     static bool MatchCellNumber   ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 807 };
 808
 809 class dvd_chapter_codec_c : public chapter_codec_cmds_c
 810 {
 811 public:
 812     dvd_chapter_codec_c( demux_sys_t & sys )
 813     :chapter_codec_cmds_c( sys, 1 )
 814     {}
 815
 816     bool Enter();
 817     bool Leave();
 818     std::string GetCodecName( bool f_for_title = false ) const;
 819     int16 GetTitleNumber();
 820 };
 821
 822 class matroska_script_interpretor_c
 823 {
 824 public:
 825     matroska_script_interpretor_c( demux_sys_t & demuxer )
 826     :sys( demuxer )
 827     {}
 828
 829     bool Interpret( const binary * p_command, size_t i_size );
 830
 831     // DVD command IDs
 832     static const std::string CMD_MS_GOTO_AND_PLAY;
 833
 834 protected:
 835     demux_sys_t  & sys;
 836 };
 837
 838 const std::string matroska_script_interpretor_c::CMD_MS_GOTO_AND_PLAY = "GotoAndPlay";
 839
 840
 841 class matroska_script_codec_c : public chapter_codec_cmds_c
 842 {
 843 public:
 844     matroska_script_codec_c( demux_sys_t & sys )
 845     :chapter_codec_cmds_c( sys, 0 )
 846     ,interpretor( sys )
 847     {}
 848
 849     bool Enter();
 850     bool Leave();
 851
 852 protected:
 853     matroska_script_interpretor_c interpretor;
 854 };
 855
 856 class chapter_translation_c
 857 {
 858 public:
 859     KaxChapterTranslateID  translated;
 860     unsigned int           codec_id;
 861     std::vector<uint64_t>  editions;
 862 };
 863
 864 class chapter_item_c
 865 {
 866 public:
 867     chapter_item_c()
 868     :i_start_time(0)
 869     ,i_end_time(-1)
 870     ,i_user_start_time(-1)
 871     ,i_user_end_time(-1)
 872     ,i_seekpoint_num(-1)
 873     ,b_display_seekpoint(true)
 874     ,b_user_display(false)
 875     ,psz_parent(NULL)
 876     ,b_is_leaving(false)
 877     {}
 878
 879     virtual ~chapter_item_c()
 880     {
 881         std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
 882         while ( index != codecs.end() )
 883         {
 884             delete (*index);
 885             index++;
 886         }
 887         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
 888         while ( index_ != sub_chapters.end() )
 889         {
 890             delete (*index_);
 891             index_++;
 892         }
 893     }
 894
 895     int64_t RefreshChapters( bool b_ordered, int64_t i_prev_user_time );
 896     int PublishChapters( input_title_t & title, int & i_user_chapters, int i_level = 0 );
 897     chapter_item_c * FindTimecode( mtime_t i_timecode );
 898     void Append( const chapter_item_c & edition );
 899     chapter_item_c * FindChapter( int64_t i_find_uid );
 900     virtual chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
 901                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
 902                                     const void *p_cookie,
 903                                     size_t i_cookie_size );
 904     std::string                 GetCodecName( bool f_for_title = false ) const;
 905     bool                        ParentOf( const chapter_item_c & item ) const;
 906     int16                       GetTitleNumber( ) const;
 907
 908     int64_t                     i_start_time, i_end_time;
 909     int64_t                     i_user_start_time, i_user_end_time; /* the time in the stream when an edition is ordered */
 910     std::vector<chapter_item_c*> sub_chapters;
 911     int                         i_seekpoint_num;
 912     int64_t                     i_uid;
 913     bool                        b_display_seekpoint;
 914     bool                        b_user_display;
 915     std::string                 psz_name;
 916     chapter_item_c              *psz_parent;
 917     bool                        b_is_leaving;
 918
 919     std::vector<chapter_codec_cmds_c*> codecs;
 920
 921     bool operator<( const chapter_item_c & item ) const
 922     {
 923         return ( i_user_start_time < item.i_user_start_time || (i_user_start_time == item.i_user_start_time && i_user_end_time < item.i_user_end_time) );
 924     }
 925
 926     bool Enter( bool b_do_subchapters );
 927     bool Leave( bool b_do_subchapters );
 928     bool EnterAndLeave( chapter_item_c *p_item );
 929 };
 930
 931 class chapter_edition_c : public chapter_item_c
 932 {
 933 public:
 934     chapter_edition_c()
 935     :b_ordered(false)
 936     {}
 937
 938     void RefreshChapters( );
 939     mtime_t Duration() const;
 940     std::string GetMainName() const;
 941
 942     bool                        b_ordered;
 943 };
 944
 945 class matroska_segment_c
 946 {
 947 public:
 948     matroska_segment_c( demux_sys_t & demuxer, EbmlStream & estream )
 949         :segment(NULL)
 950         ,es(estream)
 951         ,i_timescale(MKVD_TIMECODESCALE)
 952         ,i_duration(-1)
 953         ,i_start_time(0)
 954         ,i_cues_position(-1)
 955         ,i_chapters_position(-1)
 956         ,i_tags_position(-1)
 957         ,cluster(NULL)
 958         ,i_start_pos(0)
 959         ,b_cues(VLC_FALSE)
 960         ,i_index(0)
 961         ,i_index_max(1024)
 962         ,psz_muxing_application(NULL)
 963         ,psz_writing_application(NULL)
 964         ,psz_segment_filename(NULL)
 965         ,psz_title(NULL)
 966         ,psz_date_utc(NULL)
 967         ,i_default_edition(0)
 968         ,sys(demuxer)
 969         ,ep(NULL)
 970         ,b_preloaded(false)
 971     {
 972         index = (mkv_index_t*)malloc( sizeof( mkv_index_t ) * i_index_max );
 973     }
 974
 975     virtual ~matroska_segment_c()
 976     {
 977         for( size_t i_track = 0; i_track < tracks.size(); i_track++ )
 978         {
 979             if( tracks[i_track]->fmt.psz_description )
 980             {
 981                 free( tracks[i_track]->fmt.psz_description );
 982             }
 983             if( tracks[i_track]->psz_codec )
 984             {
 985                 free( tracks[i_track]->psz_codec );
 986             }
 987             if( tracks[i_track]->fmt.psz_language )
 988             {
 989                 free( tracks[i_track]->fmt.psz_language );
 990             }
 991             delete tracks[i_track];
 992         }
 993
 994         if( psz_writing_application )
 995         {
 996             free( psz_writing_application );
 997         }
 998         if( psz_muxing_application )
 999         {
1000             free( psz_muxing_application );
1001         }
1002         if( psz_segment_filename )
1003         {
1004             free( psz_segment_filename );
1005         }
1006         if( psz_title )
1007         {
1008             free( psz_title );
1009         }
1010         if( psz_date_utc )
1011         {
1012             free( psz_date_utc );
1013         }
1014         if ( index )
1015             free( index );
1016
1017         delete ep;
1018
1019         std::vector<chapter_edition_c*>::iterator index = stored_editions.begin();
1020         while ( index != stored_editions.end() )
1021         {
1022             delete (*index);
1023             index++;
1024         }
1025     }
1026
1027     KaxSegment              *segment;
1028     EbmlStream              & es;
1029
1030     /* time scale */
1031     uint64_t                i_timescale;
1032
1033     /* duration of the segment */
1034     mtime_t                 i_duration;
1035     mtime_t                 i_start_time;
1036
1037     /* all tracks */
1038     std::vector<mkv_track_t*> tracks;
1039
1040     /* from seekhead */
1041     int64_t                 i_cues_position;
1042     int64_t                 i_chapters_position;
1043     int64_t                 i_tags_position;
1044
1045     KaxCluster              *cluster;
1046     int64_t                 i_start_pos;
1047     KaxSegmentUID           segment_uid;
1048     KaxPrevUID              prev_segment_uid;
1049     KaxNextUID              next_segment_uid;
1050
1051     vlc_bool_t              b_cues;
1052     int                     i_index;
1053     int                     i_index_max;
1054     mkv_index_t             *index;
1055
1056     /* info */
1057     char                    *psz_muxing_application;
1058     char                    *psz_writing_application;
1059     char                    *psz_segment_filename;
1060     char                    *psz_title;
1061     char                    *psz_date_utc;
1062
1063     /* !!!!! GCC 3.3 bug on Darwin !!!!! */
1064     /* when you remove this variable the compiler issues an atomicity error */
1065     /* this variable only works when using std::vector<chapter_edition_c> */
1066     std::vector<chapter_edition_c*> stored_editions;
1067     int                             i_default_edition;
1068
1069     std::vector<chapter_translation_c> translations;
1070     std::vector<KaxSegmentFamily>  families;
1071
1072     demux_sys_t                    & sys;
1073     EbmlParser                     *ep;
1074     bool                           b_preloaded;
1075
1076     bool Preload( );
1077     bool PreloadFamily( const matroska_segment_c & segment );
1078     void ParseInfo( KaxInfo *info );
1079     void ParseChapters( KaxChapters *chapters );
1080     void ParseSeekHead( KaxSeekHead *seekhead );
1081     void ParseTracks( KaxTracks *tracks );
1082     void ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters );
1083     void ParseTrackEntry( KaxTrackEntry *m );
1084     void ParseCluster( );
1085     void IndexAppendCluster( KaxCluster *cluster );
1086     void LoadCues( );
1087     void LoadTags( );
1088     void InformationCreate( );
1089     void Seek( mtime_t i_date, mtime_t i_time_offset );
1090     int BlockGet( KaxBlock **pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration );
1091     bool Select( mtime_t i_start_time );
1092     void UnSelect( );
1093
1094     static bool CompareSegmentUIDs( const matroska_segment_c * item_a, const matroska_segment_c * item_b );
1095 };
1096
1097 // class holding hard-linked segment together in the playback order
1098 class virtual_segment_c
1099 {
1100 public:
1101     virtual_segment_c( matroska_segment_c *p_segment )
1102         :p_editions(NULL)
1103         ,i_sys_title(0)
1104         ,i_current_segment(0)
1105         ,i_current_edition(-1)
1106         ,psz_current_chapter(NULL)
1107     {
1108         linked_segments.push_back( p_segment );
1109
1110         AppendUID( p_segment->segment_uid );
1111         AppendUID( p_segment->prev_segment_uid );
1112         AppendUID( p_segment->next_segment_uid );
1113     }
1114
1115     void Sort();
1116     size_t AddSegment( matroska_segment_c *p_segment );
1117     void PreloadLinked( );
1118     mtime_t Duration( ) const;
1119     void LoadCues( );
1120     void Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter );
1121
1122     inline chapter_edition_c *Edition()
1123     {
1124         if ( i_current_edition >= 0 && size_t(i_current_edition) < p_editions->size() )
1125             return (*p_editions)[i_current_edition];
1126         return NULL;
1127     }
1128
1129     matroska_segment_c * Segment() const
1130     {
1131         if ( linked_segments.size() == 0 || i_current_segment >= linked_segments.size() )
1132             return NULL;
1133         return linked_segments[i_current_segment];
1134     }
1135
1136     inline chapter_item_c *CurrentChapter() {
1137         return psz_current_chapter;
1138     }
1139
1140     bool SelectNext()
1141     {
1142         if ( i_current_segment < linked_segments.size()-1 )
1143         {
1144             i_current_segment++;
1145             return true;
1146         }
1147         return false;
1148     }
1149
1150     bool FindUID( KaxSegmentUID & uid ) const
1151     {
1152         for ( size_t i=0; i<linked_uids.size(); i++ )
1153         {
1154             if ( linked_uids[i] == uid )
1155                 return true;
1156         }
1157         return false;
1158     }
1159
1160     bool UpdateCurrentToChapter( demux_t & demux );
1161     void PrepareChapters( );
1162
1163     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
1164                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
1165                                         const void *p_cookie,
1166                                         size_t i_cookie_size );
1167     chapter_item_c *FindChapter( int64_t i_find_uid );
1168
1169     std::vector<chapter_edition_c*>  *p_editions;
1170     int                              i_sys_title;
1171
1172 protected:
1173     std::vector<matroska_segment_c*> linked_segments;
1174     std::vector<KaxSegmentUID>       linked_uids;
1175     size_t                           i_current_segment;
1176
1177     int                              i_current_edition;
1178     chapter_item_c                   *psz_current_chapter;
1179
1180     void                             AppendUID( const EbmlBinary & UID );
1181 };
1182
1183 class matroska_stream_c
1184 {
1185 public:
1186     matroska_stream_c( demux_sys_t & demuxer )
1187         :p_in(NULL)
1188         ,p_es(NULL)
1189         ,sys(demuxer)
1190     {}
1191
1192     virtual ~matroska_stream_c()
1193     {
1194         delete p_in;
1195         delete p_es;
1196     }
1197
1198     IOCallback         *p_in;
1199     EbmlStream         *p_es;
1200
1201     std::vector<matroska_segment_c*> segments;
1202
1203     demux_sys_t                      & sys;
1204 };
1205
1206 typedef struct
1207 {
1208     VLC_COMMON_MEMBERS
1209
1210     demux_t        *p_demux;
1211     vlc_mutex_t     lock;
1212
1213     vlc_bool_t      b_moved;
1214     vlc_bool_t      b_clicked;
1215     vlc_bool_t      b_key;
1216
1217 } event_thread_t;
1218
1219 class demux_sys_t
1220 {
1221 public:
1222     demux_sys_t( demux_t & demux )
1223         :demuxer(demux)
1224         ,i_pts(0)
1225         ,i_start_pts(0)
1226         ,i_chapter_time(0)
1227         ,meta(NULL)
1228         ,i_current_title(0)
1229         ,p_current_segment(NULL)
1230         ,dvd_interpretor( *this )
1231         ,f_duration(-1.0)
1232         ,b_ui_hooked(false)
1233         ,p_input(NULL)
1234         ,b_pci_packet_set(false)
1235         ,p_ev(NULL)
1236     {
1237         vlc_mutex_init( &demuxer, &lock_demuxer );
1238     }
1239
1240     virtual ~demux_sys_t()
1241     {
1242         StopUiThread();
1243         size_t i;
1244         for ( i=0; i<streams.size(); i++ )
1245             delete streams[i];
1246         for ( i=0; i<opened_segments.size(); i++ )
1247             delete opened_segments[i];
1248         for ( i=0; i<used_segments.size(); i++ )
1249             delete used_segments[i];
1250         vlc_mutex_destroy( &lock_demuxer );
1251     }
1252
1253     /* current data */
1254     demux_t                 & demuxer;
1255
1256     mtime_t                 i_pts;
1257     mtime_t                 i_start_pts;
1258     mtime_t                 i_chapter_time;
1259
1260     vlc_meta_t              *meta;
1261
1262     std::vector<input_title_t>       titles; // matroska editions
1263     size_t                           i_current_title;
1264
1265     std::vector<matroska_stream_c*>  streams;
1266     std::vector<matroska_segment_c*> opened_segments;
1267     std::vector<virtual_segment_c*>  used_segments;
1268     virtual_segment_c                *p_current_segment;
1269
1270     dvd_command_interpretor_c        dvd_interpretor;
1271
1272     /* duration of the stream */
1273     float                   f_duration;
1274
1275     matroska_segment_c *FindSegment( const EbmlBinary & uid ) const;
1276     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
1277                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
1278                                         const void *p_cookie,
1279                                         size_t i_cookie_size,
1280                                         virtual_segment_c * & p_segment_found );
1281     chapter_item_c *FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found );
1282
1283     void PreloadFamily( const matroska_segment_c & of_segment );
1284     void PreloadLinked( matroska_segment_c *p_segment );
1285     bool PreparePlayback( virtual_segment_c *p_new_segment );
1286     matroska_stream_c *AnalyseAllSegmentsFound( EbmlStream *p_estream );
1287
1288     void StartUiThread();
1289     void StopUiThread();
1290     bool b_ui_hooked;
1291     inline void SwapButtons();
1292
1293     /* for spu variables */
1294     input_thread_t *p_input;
1295     pci_t          pci_packet;
1296     bool           b_pci_packet_set;
1297     uint8_t        alpha[4];
1298     vlc_mutex_t    lock_demuxer;
1299
1300     /* event */
1301     event_thread_t *p_ev;
1302     static int EventThread( vlc_object_t *p_this );
1303     static int EventMouse( vlc_object_t *p_this, char const *psz_var,
1304                        vlc_value_t oldval, vlc_value_t newval, void *p_data );
1305     static int EventKey( vlc_object_t *p_this, char const *psz_var,
1306                      vlc_value_t oldval, vlc_value_t newval, void *p_data );
1307
1308
1309
1310 protected:
1311     virtual_segment_c *VirtualFromSegments( matroska_segment_c *p_segment ) const;
1312     bool IsUsedSegment( matroska_segment_c &p_segment ) const;
1313 };
1314
1315 static int  Demux  ( demux_t * );
1316 static int  Control( demux_t *, int, va_list );
1317 static void Seek   ( demux_t *, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter );
1318
1319 #define MKV_IS_ID( el, C ) ( EbmlId( (*el) ) == C::ClassInfos.GlobalId )
1320
1321 static char *UTF8ToStr          ( const UTFstring &u );
1322
1323 /*****************************************************************************
1324  * Open: initializes matroska demux structures
1325  *****************************************************************************/
1326 static int Open( vlc_object_t * p_this )
1327 {
1328     demux_t            *p_demux = (demux_t*)p_this;
1329     demux_sys_t        *p_sys;
1330     matroska_stream_c  *p_stream;
1331     matroska_segment_c *p_segment;
1332     uint8_t            *p_peek;
1333     std::string        s_path, s_filename;
1334     vlc_stream_io_callback *p_io_callback;
1335     EbmlStream         *p_io_stream;
1336
1337     /* peek the begining */
1338     if( stream_Peek( p_demux->s, &p_peek, 4 ) < 4 ) return VLC_EGENERIC;
1339
1340     /* is a valid file */
1341     if( p_peek[0] != 0x1a || p_peek[1] != 0x45 ||
1342         p_peek[2] != 0xdf || p_peek[3] != 0xa3 ) return VLC_EGENERIC;
1343
1344     /* Set the demux function */
1345     p_demux->pf_demux   = Demux;
1346     p_demux->pf_control = Control;
1347     p_demux->p_sys      = p_sys = new demux_sys_t( *p_demux );
1348
1349     p_io_callback = new vlc_stream_io_callback( p_demux->s );
1350     p_io_stream = new EbmlStream( *p_io_callback );
1351
1352     if( p_io_stream == NULL )
1353     {
1354         msg_Err( p_demux, "failed to create EbmlStream" );
1355         delete p_io_callback;
1356         delete p_sys;
1357         return VLC_EGENERIC;
1358     }
1359
1360     p_stream = p_sys->AnalyseAllSegmentsFound( p_io_stream );
1361     if( p_stream == NULL )
1362     {
1363         msg_Err( p_demux, "cannot find KaxSegment" );
1364         goto error;
1365     }
1366     p_sys->streams.push_back( p_stream );
1367
1368     p_stream->p_in = p_io_callback;
1369     p_stream->p_es = p_io_stream;
1370
1371     for (size_t i=0; i<p_stream->segments.size(); i++)
1372     {
1373         p_stream->segments[i]->Preload();
1374     }
1375
1376     p_segment = p_stream->segments[0];
1377     if( p_segment->cluster != NULL )
1378     {
1379         msg_Warn( p_demux, "cannot find any cluster, damaged file ?" );
1380
1381         // reset the stream reading to the first cluster of the segment used
1382         p_stream->p_in->setFilePointer( p_segment->cluster->GetElementPosition() );
1383     }
1384
1385     /* get the files from the same dir from the same family (based on p_demux->psz_path) */
1386     if (p_demux->psz_path[0] != '\0' && !strcmp(p_demux->psz_access, ""))
1387     {
1388         // assume it's a regular file
1389         // get the directory path
1390         s_path = p_demux->psz_path;
1391         if (s_path.at(s_path.length() - 1) == DIRECTORY_SEPARATOR)
1392         {
1393             s_path = s_path.substr(0,s_path.length()-1);
1394         }
1395         else
1396         {
1397             if (s_path.find_last_of(DIRECTORY_SEPARATOR) > 0)
1398             {
1399                 s_path = s_path.substr(0,s_path.find_last_of(DIRECTORY_SEPARATOR));
1400             }
1401         }
1402
1403         struct dirent *p_file_item;
1404         DIR *p_src_dir = opendir(s_path.c_str());
1405
1406         if (p_src_dir != NULL)
1407         {
1408             while ((p_file_item = (dirent *) readdir(p_src_dir)))
1409             {
1410                 if (strlen(p_file_item->d_name) > 4)
1411                 {
1412                     s_filename = s_path + DIRECTORY_SEPARATOR + p_file_item->d_name;
1413
1414                     if (!s_filename.compare(p_demux->psz_path))
1415                         continue; // don't reuse the original opened file
1416
1417 #if defined(__GNUC__) && (__GNUC__ < 3)
1418                     if (!s_filename.compare("mkv", s_filename.length() - 3, 3) ||
1419                         !s_filename.compare("mka", s_filename.length() - 3, 3))
1420 #else
1421                     if (!s_filename.compare(s_filename.length() - 3, 3, "mkv") ||
1422                         !s_filename.compare(s_filename.length() - 3, 3, "mka"))
1423 #endif
1424                     {
1425                         // test wether this file belongs to the our family
1426                         StdIOCallback *p_file_io = new StdIOCallback(s_filename.c_str(), MODE_READ);
1427                         EbmlStream *p_estream = new EbmlStream(*p_file_io);
1428
1429                         p_stream = p_sys->AnalyseAllSegmentsFound( p_estream );
1430                         if ( p_stream == NULL )
1431                         {
1432                             msg_Dbg( p_demux, "the file '%s' will not be used", s_filename.c_str() );
1433                             delete p_estream;
1434                             delete p_file_io;
1435                         }
1436                         else
1437                         {
1438                             p_stream->p_in = p_file_io;
1439                             p_stream->p_es = p_estream;
1440                             p_sys->streams.push_back( p_stream );
1441                         }
1442                     }
1443                 }
1444             }
1445             closedir( p_src_dir );
1446         }
1447     }
1448
1449     p_sys->PreloadFamily( *p_segment );
1450     p_sys->PreloadLinked( p_segment );
1451     if ( !p_sys->PreparePlayback( NULL ) )
1452     {
1453         msg_Err( p_demux, "cannot use the segment" );
1454         goto error;
1455     }
1456
1457     p_sys->StartUiThread();
1458
1459     return VLC_SUCCESS;
1460
1461 error:
1462     delete p_sys;
1463     return VLC_EGENERIC;
1464 }
1465
1466 /*****************************************************************************
1467  * Close: frees unused data
1468  *****************************************************************************/
1469 static void Close( vlc_object_t *p_this )
1470 {
1471     demux_t     *p_demux = (demux_t*)p_this;
1472     demux_sys_t *p_sys   = p_demux->p_sys;
1473
1474     delete p_sys;
1475 }
1476
1477 /*****************************************************************************
1478  * Control:
1479  *****************************************************************************/
1480 static int Control( demux_t *p_demux, int i_query, va_list args )
1481 {
1482     demux_sys_t        *p_sys = p_demux->p_sys;
1483     int64_t     *pi64;
1484     double      *pf, f;
1485     int         i_skp;
1486     size_t      i_idx;
1487
1488     vlc_meta_t **pp_meta;
1489
1490     switch( i_query )
1491     {
1492         case DEMUX_GET_META:
1493             pp_meta = (vlc_meta_t**)va_arg( args, vlc_meta_t** );
1494             *pp_meta = vlc_meta_Duplicate( p_sys->meta );
1495             return VLC_SUCCESS;
1496
1497         case DEMUX_GET_LENGTH:
1498             pi64 = (int64_t*)va_arg( args, int64_t * );
1499             if( p_sys->f_duration > 0.0 )
1500             {
1501                 *pi64 = (int64_t)(p_sys->f_duration * 1000);
1502                 return VLC_SUCCESS;
1503             }
1504             return VLC_EGENERIC;
1505
1506         case DEMUX_GET_POSITION:
1507             pf = (double*)va_arg( args, double * );
1508             if ( p_sys->f_duration > 0.0 )
1509                 *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);
1510             return VLC_SUCCESS;
1511
1512         case DEMUX_SET_POSITION:
1513             f = (double)va_arg( args, double );
1514             Seek( p_demux, -1, f, NULL );
1515             return VLC_SUCCESS;
1516
1517         case DEMUX_GET_TIME:
1518             pi64 = (int64_t*)va_arg( args, int64_t * );
1519             *pi64 = p_sys->i_pts;
1520             return VLC_SUCCESS;
1521
1522         case DEMUX_GET_TITLE_INFO:
1523             if( p_sys->titles.size() )
1524             {
1525                 input_title_t ***ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
1526                 int *pi_int    = (int*)va_arg( args, int* );
1527
1528                 *pi_int = p_sys->titles.size();
1529                 *ppp_title = (input_title_t**)malloc( sizeof( input_title_t**) * p_sys->titles.size() );
1530
1531                 for( size_t i = 0; i < p_sys->titles.size(); i++ )
1532                 {
1533                     (*ppp_title)[i] = vlc_input_title_Duplicate( &p_sys->titles[i] );
1534                 }
1535
1536                 return VLC_SUCCESS;
1537             }
1538             return VLC_EGENERIC;
1539
1540         case DEMUX_SET_TITLE:
1541             /* TODO handle editions as titles */
1542             i_idx = (int)va_arg( args, int );
1543             if( i_idx < p_sys->used_segments.size() )
1544             {
1545                 p_sys->PreparePlayback( p_sys->used_segments[i_idx] );
1546                 return VLC_SUCCESS;
1547             }
1548             return VLC_EGENERIC;
1549
1550         case DEMUX_SET_SEEKPOINT:
1551             i_skp = (int)va_arg( args, int );
1552
1553             // TODO change the way it works with the << & >> buttons on the UI (+1/-1 instead of a number)
1554             if( p_sys->titles.size() && i_skp < p_sys->titles[p_sys->i_current_title].i_seekpoint)
1555             {
1556                 Seek( p_demux, (int64_t)p_sys->titles[p_sys->i_current_title].seekpoint[i_skp]->i_time_offset, -1, NULL);
1557                 p_demux->info.i_seekpoint |= INPUT_UPDATE_SEEKPOINT;
1558                 p_demux->info.i_seekpoint = i_skp;
1559                 return VLC_SUCCESS;
1560             }
1561             return VLC_EGENERIC;
1562
1563         case DEMUX_SET_TIME:
1564         case DEMUX_GET_FPS:
1565         default:
1566             return VLC_EGENERIC;
1567     }
1568 }
1569
1570 int matroska_segment_c::BlockGet( KaxBlock **pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration )
1571 {
1572     *pp_block = NULL;
1573     *pi_ref1  = -1;
1574     *pi_ref2  = -1;
1575
1576     for( ;; )
1577     {
1578         EbmlElement *el;
1579         int         i_level;
1580
1581         if ( ep == NULL )
1582             return VLC_EGENERIC;
1583
1584         el = ep->Get();
1585         i_level = ep->GetLevel();
1586
1587         if( el == NULL && *pp_block != NULL )
1588         {
1589             /* update the index */
1590 #define idx index[i_index - 1]
1591             if( i_index > 0 && idx.i_time == -1 )
1592             {
1593                 idx.i_time        = (*pp_block)->GlobalTimecode() / (mtime_t)1000;
1594                 idx.b_key         = *pi_ref1 == -1 ? VLC_TRUE : VLC_FALSE;
1595             }
1596 #undef idx
1597             return VLC_SUCCESS;
1598         }
1599
1600         if( el == NULL )
1601         {
1602             if( ep->GetLevel() > 1 )
1603             {
1604                 ep->Up();
1605                 continue;
1606             }
1607             msg_Warn( &sys.demuxer, "EOF" );
1608             return VLC_EGENERIC;
1609         }
1610
1611         /* do parsing */
1612         switch ( i_level )
1613         {
1614         case 1:
1615             if( MKV_IS_ID( el, KaxCluster ) )
1616             {
1617                 cluster = (KaxCluster*)el;
1618
1619                 /* add it to the index */
1620                 if( i_index == 0 ||
1621                     ( i_index > 0 && index[i_index - 1].i_position < (int64_t)cluster->GetElementPosition() ) )
1622                 {
1623                     IndexAppendCluster( cluster );
1624                 }
1625
1626                 // reset silent tracks
1627                 for (size_t i=0; i<tracks.size(); i++)
1628                 {
1629                     tracks[i]->b_silent = VLC_FALSE;
1630                 }
1631
1632                 ep->Down();
1633             }
1634             else if( MKV_IS_ID( el, KaxCues ) )
1635             {
1636                 msg_Warn( &sys.demuxer, "find KaxCues FIXME" );
1637                 return VLC_EGENERIC;
1638             }
1639             else
1640             {
1641                 msg_Dbg( &sys.demuxer, "unknown (%s)", typeid( el ).name() );
1642             }
1643             break;
1644         case 2:
1645             if( MKV_IS_ID( el, KaxClusterTimecode ) )
1646             {
1647                 KaxClusterTimecode &ctc = *(KaxClusterTimecode*)el;
1648
1649                 ctc.ReadData( es.I_O(), SCOPE_ALL_DATA );
1650                 cluster->InitTimecode( uint64( ctc ), i_timescale );
1651             }
1652             else if( MKV_IS_ID( el, KaxClusterSilentTracks ) )
1653             {
1654                 ep->Down();
1655             }
1656             else if( MKV_IS_ID( el, KaxBlockGroup ) )
1657             {
1658                 ep->Down();
1659             }
1660             break;
1661         case 3:
1662             if( MKV_IS_ID( el, KaxBlock ) )
1663             {
1664                 *pp_block = (KaxBlock*)el;
1665
1666                 (*pp_block)->ReadData( es.I_O() );
1667                 (*pp_block)->SetParent( *cluster );
1668
1669                 ep->Keep();
1670             }
1671             else if( MKV_IS_ID( el, KaxBlockDuration ) )
1672             {
1673                 KaxBlockDuration &dur = *(KaxBlockDuration*)el;
1674
1675                 dur.ReadData( es.I_O() );
1676                 *pi_duration = uint64( dur );
1677             }
1678             else if( MKV_IS_ID( el, KaxReferenceBlock ) )
1679             {
1680                 KaxReferenceBlock &ref = *(KaxReferenceBlock*)el;
1681
1682                 ref.ReadData( es.I_O() );
1683                 if( *pi_ref1 == -1 )
1684                 {
1685                     *pi_ref1 = int64( ref );
1686                 }
1687                 else
1688                 {
1689                     *pi_ref2 = int64( ref );
1690                 }
1691             }
1692             else if( MKV_IS_ID( el, KaxClusterSilentTrackNumber ) )
1693             {
1694                 KaxClusterSilentTrackNumber &track_num = *(KaxClusterSilentTrackNumber*)el;
1695                 track_num.ReadData( es.I_O() );
1696                 // find the track
1697                 for (size_t i=0; i<tracks.size(); i++)
1698                 {
1699                     if ( tracks[i]->i_number == uint32(track_num))
1700                     {
1701                         tracks[i]->b_silent = VLC_TRUE;
1702                         break;
1703                     }
1704                 }
1705             }
1706             break;
1707         default:
1708             msg_Err( &sys.demuxer, "invalid level = %d", i_level );
1709             return VLC_EGENERIC;
1710         }
1711     }
1712 }
1713
1714 static block_t *MemToBlock( demux_t *p_demux, uint8_t *p_mem, int i_mem)
1715 {
1716     block_t *p_block;
1717     if( !(p_block = block_New( p_demux, i_mem ) ) ) return NULL;
1718     memcpy( p_block->p_buffer, p_mem, i_mem );
1719     //p_block->i_rate = p_input->stream.control.i_rate;
1720     return p_block;
1721 }
1722
1723 static void BlockDecode( demux_t *p_demux, KaxBlock *block, mtime_t i_pts,
1724                          mtime_t i_duration )
1725 {
1726     demux_sys_t        *p_sys = p_demux->p_sys;
1727     matroska_segment_c *p_segment = p_sys->p_current_segment->Segment();
1728
1729     size_t          i_track;
1730     unsigned int    i;
1731     vlc_bool_t      b;
1732
1733 #define tk  p_segment->tracks[i_track]
1734     for( i_track = 0; i_track < p_segment->tracks.size(); i_track++ )
1735     {
1736         if( tk->i_number == block->TrackNum() )
1737         {
1738             break;
1739         }
1740     }
1741
1742     if( i_track >= p_segment->tracks.size() )
1743     {
1744         msg_Err( p_demux, "invalid track number=%d", block->TrackNum() );
1745         return;
1746     }
1747     if( tk->p_es == NULL )
1748     {
1749         msg_Err( p_demux, "unknown track number=%d", block->TrackNum() );
1750         return;
1751     }
1752     if( i_pts < p_sys->i_start_pts && tk->fmt.i_cat == AUDIO_ES )
1753     {
1754         return; /* discard audio packets that shouldn't be rendered */
1755     }
1756
1757     if ( tk->fmt.i_cat != SPU_ES || strcmp( tk->psz_codec, "B_VOBBTN" ) )
1758     {
1759         es_out_Control( p_demux->out, ES_OUT_GET_ES_STATE, tk->p_es, &b );
1760
1761         if( !b )
1762         {
1763             tk->b_inited = VLC_FALSE;
1764             return;
1765         }
1766     }
1767
1768
1769     /* First send init data */
1770     if( !tk->b_inited && tk->i_data_init > 0 )
1771     {
1772         block_t *p_init;
1773
1774         msg_Dbg( p_demux, "sending header (%d bytes)", tk->i_data_init );
1775         p_init = MemToBlock( p_demux, tk->p_data_init, tk->i_data_init );
1776         if( p_init ) es_out_Send( p_demux->out, tk->p_es, p_init );
1777     }
1778     tk->b_inited = VLC_TRUE;
1779
1780
1781     for( i = 0; i < block->NumberFrames(); i++ )
1782     {
1783         block_t *p_block;
1784         DataBuffer &data = block->GetBuffer(i);
1785
1786         p_block = MemToBlock( p_demux, data.Buffer(), data.Size() );
1787
1788         if( p_block == NULL )
1789         {
1790             break;
1791         }
1792
1793 #if defined(HAVE_ZLIB_H)
1794         if( tk->i_compression_type )
1795         {
1796             p_block = block_zlib_decompress( VLC_OBJECT(p_demux), p_block );
1797         }
1798 #endif
1799
1800         // TODO implement correct timestamping when B frames are used
1801         if( tk->fmt.i_cat != VIDEO_ES )
1802         {
1803             p_block->i_dts = p_block->i_pts = i_pts;
1804         }
1805         else
1806         {
1807             p_block->i_dts = i_pts;
1808             p_block->i_pts = 0;
1809         }
1810
1811         if ( tk->fmt.i_cat == SPU_ES )
1812         {
1813             if ( !strcmp( tk->psz_codec, "B_VOBBTN" ) )
1814             {
1815                 // TODO handle the start/stop times of this packet
1816                 if ( p_sys->b_ui_hooked )
1817                 {
1818                     vlc_mutex_lock( &p_sys->p_ev->lock );
1819                     memcpy( &p_sys->pci_packet, &p_block->p_buffer[1], sizeof(pci_t) );
1820                     p_sys->SwapButtons();
1821                     p_sys->b_pci_packet_set = true;
1822                     vlc_mutex_unlock( &p_sys->p_ev->lock );
1823                     block_Release( p_block );
1824                 }
1825                 return;
1826             }
1827
1828             else if ( strcmp( tk->psz_codec, "S_VOBSUB" ) )
1829             {
1830                 p_block->i_length = i_duration * 1000;
1831             }
1832         }
1833
1834         es_out_Send( p_demux->out, tk->p_es, p_block );
1835
1836         /* use time stamp only for first block */
1837         i_pts = 0;
1838     }
1839
1840 #undef tk
1841 }
1842
1843 matroska_stream_c *demux_sys_t::AnalyseAllSegmentsFound( EbmlStream *p_estream )
1844 {
1845     int i_upper_lvl = 0;
1846     size_t i;
1847     EbmlElement *p_l0, *p_l1, *p_l2;
1848     bool b_keep_stream = false, b_keep_segment;
1849
1850     // verify the EBML Header
1851     p_l0 = p_estream->FindNextID(EbmlHead::ClassInfos, 0xFFFFFFFFL);
1852     if (p_l0 == NULL)
1853     {
1854         return NULL;
1855     }
1856     p_l0->SkipData(*p_estream, EbmlHead_Context);
1857     delete p_l0;
1858
1859     // find all segments in this file
1860     p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFL);
1861     if (p_l0 == NULL)
1862     {
1863         return NULL;
1864     }
1865
1866     matroska_stream_c *p_stream1 = new matroska_stream_c( *this );
1867
1868     while (p_l0 != 0)
1869     {
1870         if (EbmlId(*p_l0) == KaxSegment::ClassInfos.GlobalId)
1871         {
1872             EbmlParser  *ep;
1873             matroska_segment_c *p_segment1 = new matroska_segment_c( *this, *p_estream );
1874             b_keep_segment = false;
1875
1876             ep = new EbmlParser(p_estream, p_l0, &demuxer );
1877             p_segment1->ep = ep;
1878             p_segment1->segment = (KaxSegment*)p_l0;
1879
1880             while ((p_l1 = ep->Get()))
1881             {
1882                 if (MKV_IS_ID(p_l1, KaxInfo))
1883                 {
1884                     // find the families of this segment
1885                     KaxInfo *p_info = static_cast<KaxInfo*>(p_l1);
1886
1887                     p_info->Read(*p_estream, KaxInfo::ClassInfos.Context, i_upper_lvl, p_l2, true);
1888                     for( i = 0; i < p_info->ListSize(); i++ )
1889                     {
1890                         EbmlElement *l = (*p_info)[i];
1891
1892                         if( MKV_IS_ID( l, KaxSegmentUID ) )
1893                         {
1894                             KaxSegmentUID *p_uid = static_cast<KaxSegmentUID*>(l);
1895                             b_keep_segment = (FindSegment( *p_uid ) == NULL);
1896                             if ( !b_keep_segment )
1897                                 break; // this segment is already known
1898                             opened_segments.push_back( p_segment1 );
1899                             p_segment1->segment_uid = *( new KaxSegmentUID(*p_uid) );
1900                         }
1901                         else if( MKV_IS_ID( l, KaxPrevUID ) )
1902                         {
1903                             p_segment1->prev_segment_uid = *( new KaxPrevUID( *static_cast<KaxPrevUID*>(l) ) );
1904                         }
1905                         else if( MKV_IS_ID( l, KaxNextUID ) )
1906                         {
1907                             p_segment1->next_segment_uid = *( new KaxNextUID( *static_cast<KaxNextUID*>(l) ) );
1908                         }
1909                         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
1910                         {
1911                             KaxSegmentFamily *p_fam = new KaxSegmentFamily( *static_cast<KaxSegmentFamily*>(l) );
1912                             p_segment1->families.push_back( *p_fam );
1913                         }
1914                     }
1915                     break;
1916                 }
1917             }
1918             if ( b_keep_segment )
1919             {
1920                 b_keep_stream = true;
1921                 p_stream1->segments.push_back( p_segment1 );
1922             }
1923             else
1924                 delete p_segment1;
1925         }
1926
1927         p_l0->SkipData(*p_estream, EbmlHead_Context);
1928         p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFL);
1929     }
1930
1931     if ( !b_keep_stream )
1932     {
1933         delete p_stream1;
1934         p_stream1 = NULL;
1935     }
1936
1937     return p_stream1;
1938 }
1939
1940 bool matroska_segment_c::Select( mtime_t i_start_time )
1941 {
1942     size_t i_track;
1943
1944     /* add all es */
1945     msg_Dbg( &sys.demuxer, "found %d es", tracks.size() );
1946     sys.b_pci_packet_set = false;
1947
1948     for( i_track = 0; i_track < tracks.size(); i_track++ )
1949     {
1950         if( tracks[i_track]->fmt.i_cat == UNKNOWN_ES )
1951         {
1952             msg_Warn( &sys.demuxer, "invalid track[%d, n=%d]", i_track, tracks[i_track]->i_number );
1953             tracks[i_track]->p_es = NULL;
1954             continue;
1955         }
1956
1957         if( !strcmp( tracks[i_track]->psz_codec, "V_MS/VFW/FOURCC" ) )
1958         {
1959             if( tracks[i_track]->i_extra_data < (int)sizeof( BITMAPINFOHEADER ) )
1960             {
1961                 msg_Err( &sys.demuxer, "missing/invalid BITMAPINFOHEADER" );
1962                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
1963             }
1964             else
1965             {
1966                 BITMAPINFOHEADER *p_bih = (BITMAPINFOHEADER*)tracks[i_track]->p_extra_data;
1967
1968                 tracks[i_track]->fmt.video.i_width = GetDWLE( &p_bih->biWidth );
1969                 tracks[i_track]->fmt.video.i_height= GetDWLE( &p_bih->biHeight );
1970                 tracks[i_track]->fmt.i_codec       = GetFOURCC( &p_bih->biCompression );
1971
1972                 tracks[i_track]->fmt.i_extra       = GetDWLE( &p_bih->biSize ) - sizeof( BITMAPINFOHEADER );
1973                 if( tracks[i_track]->fmt.i_extra > 0 )
1974                 {
1975                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
1976                     memcpy( tracks[i_track]->fmt.p_extra, &p_bih[1], tracks[i_track]->fmt.i_extra );
1977                 }
1978             }
1979         }
1980         else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG1" ) ||
1981                  !strcmp( tracks[i_track]->psz_codec, "V_MPEG2" ) )
1982         {
1983             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'v' );
1984         }
1985         else if( !strncmp( tracks[i_track]->psz_codec, "V_MPEG4", 7 ) )
1986         {
1987             if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/MS/V3" ) )
1988             {
1989                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'D', 'I', 'V', '3' );
1990             }
1991             else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/ISO/AVC" ) )
1992             {
1993                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'v', 'c', '1' );
1994                 tracks[i_track]->fmt.b_packetized = VLC_FALSE;
1995                 tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
1996                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
1997                 memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
1998             }
1999             else
2000             {
2001                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' );
2002             }
2003         }
2004         else if( !strcmp( tracks[i_track]->psz_codec, "V_QUICKTIME" ) )
2005         {
2006             MP4_Box_t *p_box = (MP4_Box_t*)malloc( sizeof( MP4_Box_t ) );
2007 #ifdef VSLHC
2008             stream_t *p_mp4_stream = stream_MemoryNew( VLC_OBJECT(&sys.demuxer),
2009                                                        tracks[i_track]->p_extra_data,
2010                                                        tracks[i_track]->i_extra_data );
2011 #else
2012             stream_t *p_mp4_stream = stream_MemoryNew( VLC_OBJECT(&sys.demuxer),
2013                                                        tracks[i_track]->p_extra_data,
2014                                                        tracks[i_track]->i_extra_data,
2015                                                        VLC_FALSE );
2016 #endif
2017             MP4_ReadBoxCommon( p_mp4_stream, p_box );
2018             MP4_ReadBox_sample_vide( p_mp4_stream, p_box );
2019             tracks[i_track]->fmt.i_codec = p_box->i_type;
2020             tracks[i_track]->fmt.video.i_width = p_box->data.p_sample_vide->i_width;
2021             tracks[i_track]->fmt.video.i_height = p_box->data.p_sample_vide->i_height;
2022             tracks[i_track]->fmt.i_extra = p_box->data.p_sample_vide->i_qt_image_description;
2023             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2024             memcpy( tracks[i_track]->fmt.p_extra, p_box->data.p_sample_vide->p_qt_image_description, tracks[i_track]->fmt.i_extra );
2025             MP4_FreeBox_sample_vide( p_box );
2026 #ifdef VSLHC
2027             stream_MemoryDelete( p_mp4_stream, VLC_TRUE );
2028 #else
2029             stream_Delete( p_mp4_stream );
2030 #endif
2031         }
2032         else if( !strcmp( tracks[i_track]->psz_codec, "A_MS/ACM" ) )
2033         {
2034             if( tracks[i_track]->i_extra_data < (int)sizeof( WAVEFORMATEX ) )
2035             {
2036                 msg_Err( &sys.demuxer, "missing/invalid WAVEFORMATEX" );
2037                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2038             }
2039             else
2040             {
2041                 WAVEFORMATEX *p_wf = (WAVEFORMATEX*)tracks[i_track]->p_extra_data;
2042
2043                 wf_tag_to_fourcc( GetWLE( &p_wf->wFormatTag ), &tracks[i_track]->fmt.i_codec, NULL );
2044
2045                 tracks[i_track]->fmt.audio.i_channels   = GetWLE( &p_wf->nChannels );
2046                 tracks[i_track]->fmt.audio.i_rate = GetDWLE( &p_wf->nSamplesPerSec );
2047                 tracks[i_track]->fmt.i_bitrate    = GetDWLE( &p_wf->nAvgBytesPerSec ) * 8;
2048                 tracks[i_track]->fmt.audio.i_blockalign = GetWLE( &p_wf->nBlockAlign );;
2049                 tracks[i_track]->fmt.audio.i_bitspersample = GetWLE( &p_wf->wBitsPerSample );
2050
2051                 tracks[i_track]->fmt.i_extra            = GetWLE( &p_wf->cbSize );
2052                 if( tracks[i_track]->fmt.i_extra > 0 )
2053                 {
2054                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2055                     memcpy( tracks[i_track]->fmt.p_extra, &p_wf[1], tracks[i_track]->fmt.i_extra );
2056                 }
2057             }
2058         }
2059         else if( !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L3" ) ||
2060                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L2" ) ||
2061                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L1" ) )
2062         {
2063             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' );
2064         }
2065         else if( !strcmp( tracks[i_track]->psz_codec, "A_AC3" ) )
2066         {
2067             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' );
2068         }
2069         else if( !strcmp( tracks[i_track]->psz_codec, "A_DTS" ) )
2070         {
2071             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'd', 't', 's', ' ' );
2072         }
2073         else if( !strcmp( tracks[i_track]->psz_codec, "A_FLAC" ) )
2074         {
2075             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'f', 'l', 'a', 'c' );
2076             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2077             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2078             memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2079         }
2080         else if( !strcmp( tracks[i_track]->psz_codec, "A_VORBIS" ) )
2081         {
2082             int i, i_offset = 1, i_size[3], i_extra;
2083             uint8_t *p_extra;
2084
2085             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'v', 'o', 'r', 'b' );
2086
2087             /* Split the 3 headers */
2088             if( tracks[i_track]->p_extra_data[0] != 0x02 )
2089                 msg_Err( &sys.demuxer, "invalid vorbis header" );
2090
2091             for( i = 0; i < 2; i++ )
2092             {
2093                 i_size[i] = 0;
2094                 while( i_offset < tracks[i_track]->i_extra_data )
2095                 {
2096                     i_size[i] += tracks[i_track]->p_extra_data[i_offset];
2097                     if( tracks[i_track]->p_extra_data[i_offset++] != 0xff ) break;
2098                 }
2099             }
2100
2101             i_size[0] = __MIN(i_size[0], tracks[i_track]->i_extra_data - i_offset);
2102             i_size[1] = __MIN(i_size[1], tracks[i_track]->i_extra_data -i_offset -i_size[0]);
2103             i_size[2] = tracks[i_track]->i_extra_data - i_offset - i_size[0] - i_size[1];
2104
2105             tracks[i_track]->fmt.i_extra = 3 * 2 + i_size[0] + i_size[1] + i_size[2];
2106             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2107             p_extra = (uint8_t *)tracks[i_track]->fmt.p_extra; i_extra = 0;
2108             for( i = 0; i < 3; i++ )
2109             {
2110                 *(p_extra++) = i_size[i] >> 8;
2111                 *(p_extra++) = i_size[i] & 0xFF;
2112                 memcpy( p_extra, tracks[i_track]->p_extra_data + i_offset + i_extra,
2113                         i_size[i] );
2114                 p_extra += i_size[i];
2115                 i_extra += i_size[i];
2116             }
2117         }
2118         else if( !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG2/", strlen( "A_AAC/MPEG2/" ) ) ||
2119                  !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG4/", strlen( "A_AAC/MPEG4/" ) ) )
2120         {
2121             int i_profile, i_srate;
2122             static unsigned int i_sample_rates[] =
2123             {
2124                     96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050,
2125                         16000, 12000, 11025, 8000,  7350,  0,     0,     0
2126             };
2127
2128             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
2129             /* create data for faad (MP4DecSpecificDescrTag)*/
2130
2131             if( !strcmp( &tracks[i_track]->psz_codec[12], "MAIN" ) )
2132             {
2133                 i_profile = 0;
2134             }
2135             else if( !strcmp( &tracks[i_track]->psz_codec[12], "LC" ) )
2136             {
2137                 i_profile = 1;
2138             }
2139             else if( !strcmp( &tracks[i_track]->psz_codec[12], "SSR" ) )
2140             {
2141                 i_profile = 2;
2142             }
2143             else
2144             {
2145                 i_profile = 3;
2146             }
2147
2148             for( i_srate = 0; i_srate < 13; i_srate++ )
2149             {
2150                 if( i_sample_rates[i_srate] == tracks[i_track]->fmt.audio.i_rate )
2151                 {
2152                     break;
2153                 }
2154             }
2155             msg_Dbg( &sys.demuxer, "profile=%d srate=%d", i_profile, i_srate );
2156
2157             tracks[i_track]->fmt.i_extra = 2;
2158             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2159             ((uint8_t*)tracks[i_track]->fmt.p_extra)[0] = ((i_profile + 1) << 3) | ((i_srate&0xe) >> 1);
2160             ((uint8_t*)tracks[i_track]->fmt.p_extra)[1] = ((i_srate & 0x1) << 7) | (tracks[i_track]->fmt.audio.i_channels << 3);
2161         }
2162         else if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) ||
2163                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/LIT" ) ||
2164                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/FLOAT/IEEE" ) )
2165         {
2166             if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) )
2167             {
2168                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
2169             }
2170             else
2171             {
2172                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
2173             }
2174             tracks[i_track]->fmt.audio.i_blockalign = ( tracks[i_track]->fmt.audio.i_bitspersample + 7 ) / 8 * tracks[i_track]->fmt.audio.i_channels;
2175         }
2176         else if( !strcmp( tracks[i_track]->psz_codec, "A_TTA1" ) )
2177         {
2178             /* FIXME: support this codec */
2179             msg_Err( &sys.demuxer, "TTA not supported yet[%d, n=%d]", i_track, tracks[i_track]->i_number );
2180             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2181         }
2182         else if( !strcmp( tracks[i_track]->psz_codec, "A_WAVPACK4" ) )
2183         {
2184             /* FIXME: support this codec */
2185             msg_Err( &sys.demuxer, "Wavpack not supported yet[%d, n=%d]", i_track, tracks[i_track]->i_number );
2186             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2187         }
2188         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/UTF8" ) )
2189         {
2190             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 'u', 'b', 't' );
2191             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2192         }
2193         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/SSA" ) ||
2194                  !strcmp( tracks[i_track]->psz_codec, "S_TEXT/ASS" ) ||
2195                  !strcmp( tracks[i_track]->psz_codec, "S_SSA" ) ||
2196                  !strcmp( tracks[i_track]->psz_codec, "S_ASS" ))
2197         {
2198             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 's', 'a', ' ' );
2199             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2200         }
2201         else if( !strcmp( tracks[i_track]->psz_codec, "S_VOBSUB" ) )
2202         {
2203             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's','p','u',' ' );
2204             if( tracks[i_track]->i_extra_data )
2205             {
2206                 char *p_start;
2207                 char *p_buf = (char *)malloc( tracks[i_track]->i_extra_data + 1);
2208                 memcpy( p_buf, tracks[i_track]->p_extra_data , tracks[i_track]->i_extra_data );
2209                 p_buf[tracks[i_track]->i_extra_data] = '\0';
2210
2211                 p_start = strstr( p_buf, "size:" );
2212                 if( sscanf( p_start, "size: %dx%d",
2213                         &tracks[i_track]->fmt.subs.spu.i_original_frame_width, &tracks[i_track]->fmt.subs.spu.i_original_frame_height ) == 2 )
2214                 {
2215                     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 );
2216                 }
2217                 else
2218                 {
2219                     msg_Warn( &sys.demuxer, "reading original frame size for vobsub failed" );
2220                 }
2221                 free( p_buf );
2222             }
2223         }
2224         else if( !strcmp( tracks[i_track]->psz_codec, "B_VOBBTN" ) )
2225         {
2226             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's','p','u',' ' );
2227         }
2228         else
2229         {
2230             msg_Err( &sys.demuxer, "unknow codec id=`%s'", tracks[i_track]->psz_codec );
2231             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2232         }
2233         if( tracks[i_track]->b_default )
2234         {
2235             tracks[i_track]->fmt.i_priority = 1000;
2236         }
2237
2238         tracks[i_track]->p_es = es_out_Add( sys.demuxer.out, &tracks[i_track]->fmt );
2239
2240         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_start_time );
2241     }
2242
2243     sys.i_start_pts = i_start_time;
2244     // reset the stream reading to the first cluster of the segment used
2245     es.I_O().setFilePointer( i_start_pos );
2246
2247     delete ep;
2248     ep = new EbmlParser( &es, segment, &sys.demuxer );
2249
2250     return true;
2251 }
2252
2253 void demux_sys_t::StartUiThread()
2254 {
2255     if ( !b_ui_hooked )
2256     {
2257         msg_Dbg( &demuxer, "Starting the UI Hook" );
2258         b_ui_hooked = true;
2259         /* FIXME hack hack hack hack FIXME */
2260         /* Get p_input and create variable */
2261         p_input = (input_thread_t *) vlc_object_find( &demuxer, VLC_OBJECT_INPUT, FIND_PARENT );
2262         var_Create( p_input, "x-start", VLC_VAR_INTEGER );
2263         var_Create( p_input, "y-start", VLC_VAR_INTEGER );
2264         var_Create( p_input, "x-end", VLC_VAR_INTEGER );
2265         var_Create( p_input, "y-end", VLC_VAR_INTEGER );
2266         var_Create( p_input, "color", VLC_VAR_ADDRESS );
2267         var_Create( p_input, "menu-contrast", VLC_VAR_ADDRESS );
2268         var_Create( p_input, "highlight", VLC_VAR_BOOL );
2269         var_Create( p_input, "highlight-mutex", VLC_VAR_MUTEX );
2270
2271         /* Now create our event thread catcher */
2272         p_ev = (event_thread_t *) vlc_object_create( &demuxer, sizeof( event_thread_t ) );
2273         p_ev->p_demux = &demuxer;
2274         p_ev->b_die = VLC_FALSE;
2275         vlc_mutex_init( p_ev, &p_ev->lock );
2276         vlc_thread_create( p_ev, "mkv event thread handler", EventThread,
2277                         VLC_THREAD_PRIORITY_LOW, VLC_FALSE );
2278     }
2279 }
2280
2281 void demux_sys_t::StopUiThread()
2282 {
2283     if ( b_ui_hooked )
2284     {
2285         p_ev->b_die = VLC_TRUE;
2286
2287         vlc_thread_join( p_ev );
2288         vlc_object_destroy( p_ev );
2289
2290         p_ev = NULL;
2291
2292         var_Destroy( p_input, "highlight-mutex" );
2293         var_Destroy( p_input, "highlight" );
2294         var_Destroy( p_input, "x-start" );
2295         var_Destroy( p_input, "x-end" );
2296         var_Destroy( p_input, "y-start" );
2297         var_Destroy( p_input, "y-end" );
2298         var_Destroy( p_input, "color" );
2299         var_Destroy( p_input, "menu-contrast" );
2300
2301         msg_Dbg( &demuxer, "Stopping the UI Hook" );
2302     }
2303     b_ui_hooked = false;
2304 }
2305
2306 int demux_sys_t::EventMouse( vlc_object_t *p_this, char const *psz_var,
2307                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
2308 {
2309     event_thread_t *p_ev = (event_thread_t *) p_data;
2310     vlc_mutex_lock( &p_ev->lock );
2311     if( psz_var[6] == 'c' )
2312         p_ev->b_clicked = VLC_TRUE;
2313     else if( psz_var[6] == 'm' )
2314         p_ev->b_moved = VLC_TRUE;
2315     vlc_mutex_unlock( &p_ev->lock );
2316
2317     return VLC_SUCCESS;
2318 }
2319
2320 int demux_sys_t::EventKey( vlc_object_t *p_this, char const *psz_var,
2321                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
2322 {
2323     event_thread_t *p_ev = (event_thread_t *) p_data;
2324     vlc_mutex_lock( &p_ev->lock );
2325     p_ev->b_key = VLC_TRUE;
2326     vlc_mutex_unlock( &p_ev->lock );
2327
2328     return VLC_SUCCESS;
2329 }
2330
2331 int demux_sys_t::EventThread( vlc_object_t *p_this )
2332 {
2333     event_thread_t *p_ev = (event_thread_t*)p_this;
2334     demux_sys_t    *p_sys = p_ev->p_demux->p_sys;
2335     vlc_object_t   *p_vout = NULL;
2336
2337     p_ev->b_moved   = VLC_FALSE;
2338     p_ev->b_clicked = VLC_FALSE;
2339     p_ev->b_key     = VLC_FALSE;
2340
2341     /* catch all key event */
2342     var_AddCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2343
2344     /* main loop */
2345     while( !p_ev->b_die )
2346     {
2347         if ( !p_sys->b_pci_packet_set )
2348         {
2349             /* Wait 100ms */
2350             msleep( 100000 );
2351             continue;
2352         }
2353
2354         vlc_bool_t b_activated = VLC_FALSE;
2355
2356         /* KEY part */
2357         if( p_ev->b_key )
2358         {
2359             vlc_value_t valk;
2360             struct vlc_t::hotkey *p_hotkeys = p_ev->p_vlc->p_hotkeys;
2361             int i, i_action = -1;
2362
2363             vlc_mutex_lock( &p_ev->lock );
2364
2365             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2366
2367             var_Get( p_ev->p_vlc, "key-pressed", &valk );
2368             for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
2369             {
2370                 if( p_hotkeys[i].i_key == valk.i_int )
2371                 {
2372                     i_action = p_hotkeys[i].i_action;
2373                 }
2374             }
2375
2376             uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2377
2378             switch( i_action )
2379             {
2380             case ACTIONID_NAV_LEFT:
2381                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2382                 {
2383                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2384                     if ( p_button_ptr->left > 0 && p_button_ptr->left <= pci->hli.hl_gi.btn_ns )
2385                     {
2386                         i_curr_button = p_button_ptr->left;
2387                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2388                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2389                         if ( button_ptr.auto_action_mode )
2390                         {
2391                             vlc_mutex_unlock( &p_ev->lock );
2392                             vlc_mutex_lock( &p_sys->lock_demuxer );
2393
2394                             // process the button action
2395                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2396
2397                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2398                             vlc_mutex_lock( &p_ev->lock );
2399                         }
2400                     }
2401                 }
2402                 break;
2403             case ACTIONID_NAV_RIGHT:
2404                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2405                 {
2406                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2407                     if ( p_button_ptr->right > 0 && p_button_ptr->right <= pci->hli.hl_gi.btn_ns )
2408                     {
2409                         i_curr_button = p_button_ptr->right;
2410                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2411                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2412                         if ( button_ptr.auto_action_mode )
2413                         {
2414                             vlc_mutex_unlock( &p_ev->lock );
2415                             vlc_mutex_lock( &p_sys->lock_demuxer );
2416
2417                             // process the button action
2418                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2419
2420                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2421                             vlc_mutex_lock( &p_ev->lock );
2422                         }
2423                     }
2424                 }
2425                 break;
2426             case ACTIONID_NAV_UP:
2427                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2428                 {
2429                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2430                     if ( p_button_ptr->up > 0 && p_button_ptr->up <= pci->hli.hl_gi.btn_ns )
2431                     {
2432                         i_curr_button = p_button_ptr->up;
2433                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2434                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2435                         if ( button_ptr.auto_action_mode )
2436                         {
2437                             vlc_mutex_unlock( &p_ev->lock );
2438                             vlc_mutex_lock( &p_sys->lock_demuxer );
2439
2440                             // process the button action
2441                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2442
2443                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2444                             vlc_mutex_lock( &p_ev->lock );
2445                         }
2446                     }
2447                 }
2448                 break;
2449             case ACTIONID_NAV_DOWN:
2450                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2451                 {
2452                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2453                     if ( p_button_ptr->down > 0 && p_button_ptr->down <= pci->hli.hl_gi.btn_ns )
2454                     {
2455                         i_curr_button = p_button_ptr->down;
2456                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2457                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2458                         if ( button_ptr.auto_action_mode )
2459                         {
2460                             vlc_mutex_unlock( &p_ev->lock );
2461                             vlc_mutex_lock( &p_sys->lock_demuxer );
2462
2463                             // process the button action
2464                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2465
2466                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2467                             vlc_mutex_lock( &p_ev->lock );
2468                         }
2469                     }
2470                 }
2471                 break;
2472             case ACTIONID_NAV_ACTIVATE:
2473                 b_activated = VLC_TRUE;
2474
2475                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2476                 {
2477                     btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2478
2479                     vlc_mutex_unlock( &p_ev->lock );
2480                     vlc_mutex_lock( &p_sys->lock_demuxer );
2481
2482                     // process the button action
2483                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2484
2485                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2486                     vlc_mutex_lock( &p_ev->lock );
2487                 }
2488                 break;
2489             default:
2490                 break;
2491             }
2492             p_ev->b_key = VLC_FALSE;
2493             vlc_mutex_unlock( &p_ev->lock );
2494         }
2495
2496         /* MOUSE part */
2497         if( p_vout && ( p_ev->b_moved || p_ev->b_clicked ) )
2498         {
2499             vlc_value_t valx, valy;
2500
2501             vlc_mutex_lock( &p_ev->lock );
2502             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2503             var_Get( p_vout, "mouse-x", &valx );
2504             var_Get( p_vout, "mouse-y", &valy );
2505
2506             if( p_ev->b_clicked )
2507             {
2508                 int32_t button;
2509                 int32_t best,dist,d;
2510                 int32_t mx,my,dx,dy;
2511
2512                 b_activated = VLC_TRUE;
2513                 // get current button
2514                 best = 0;
2515                 dist = 0x08000000; /* >> than  (720*720)+(567*567); */
2516                 for(button = 1; button <= pci->hli.hl_gi.btn_ns; button++)
2517                 {
2518                     btni_t *button_ptr = &(pci->hli.btnit[button-1]);
2519
2520                     if((valx.i_int >= button_ptr->x_start) && (valx.i_int <= button_ptr->x_end) &&
2521                        (valy.i_int >= button_ptr->y_start) && (valy.i_int <= button_ptr->y_end))
2522                     {
2523                         mx = (button_ptr->x_start + button_ptr->x_end)/2;
2524                         my = (button_ptr->y_start + button_ptr->y_end)/2;
2525                         dx = mx - valx.i_int;
2526                         dy = my - valy.i_int;
2527                         d = (dx*dx) + (dy*dy);
2528                         /* If the mouse is within the button and the mouse is closer
2529                         * to the center of this button then it is the best choice. */
2530                         if(d < dist) {
2531                             dist = d;
2532                             best = button;
2533                         }
2534                     }
2535                 }
2536
2537                 if ( best != 0)
2538                 {
2539                     btni_t button_ptr = pci->hli.btnit[best-1];
2540                     uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2541
2542                     msg_Dbg( &p_sys->demuxer, "Clicked button %d", best );
2543                     vlc_mutex_unlock( &p_ev->lock );
2544                     vlc_mutex_lock( &p_sys->lock_demuxer );
2545
2546                     // process the button action
2547                     p_sys->dvd_interpretor.SetSPRM( 0x88, best );
2548                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2549
2550                     msg_Dbg( &p_sys->demuxer, "Processed button %d", best );
2551
2552                     // select new button
2553                     if ( best != i_curr_button )
2554                     {
2555                         vlc_value_t val;
2556
2557                         if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
2558                         {
2559                             vlc_mutex_t *p_mutex = (vlc_mutex_t *) val.p_address;
2560                             uint32_t i_palette;
2561
2562                             if(button_ptr.btn_coln != 0) {
2563                                 i_palette = pci->hli.btn_colit.btn_coli[button_ptr.btn_coln-1][1];
2564                             } else {
2565                                 i_palette = 0;
2566                             }
2567                             p_sys->alpha[0] = i_palette      & 0x0f;
2568                             p_sys->alpha[1] = (i_palette>>4) & 0x0f;
2569                             p_sys->alpha[2] = (i_palette>>8) & 0x0f;
2570                             p_sys->alpha[3] = (i_palette>>12)& 0x0f;
2571
2572                             vlc_mutex_lock( p_mutex );
2573                             val.i_int = button_ptr.x_start; var_Set( p_sys->p_input, "x-start", val );
2574                             val.i_int = button_ptr.x_end;   var_Set( p_sys->p_input, "x-end",   val );
2575                             val.i_int = button_ptr.y_start; var_Set( p_sys->p_input, "y-start", val );
2576                             val.i_int = button_ptr.y_end;   var_Set( p_sys->p_input, "y-end",   val );
2577
2578                             val.p_address = (void *)p_sys->alpha;
2579                             var_Set( p_sys->p_input, "menu-contrast", val );
2580
2581                             val.b_bool = VLC_TRUE; var_Set( p_sys->p_input, "highlight", val );
2582                             vlc_mutex_unlock( p_mutex );
2583                         }
2584                     }
2585                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2586                     vlc_mutex_lock( &p_ev->lock );
2587                 }
2588             }
2589             else if( p_ev->b_moved )
2590             {
2591 //                dvdnav_mouse_select( NULL, pci, valx.i_int, valy.i_int );
2592             }
2593
2594             p_ev->b_moved = VLC_FALSE;
2595             p_ev->b_clicked = VLC_FALSE;
2596             vlc_mutex_unlock( &p_ev->lock );
2597         }
2598
2599         /* VOUT part */
2600         if( p_vout && p_vout->b_die )
2601         {
2602             var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2603             var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2604             vlc_object_release( p_vout );
2605             p_vout = NULL;
2606         }
2607
2608         else if( p_vout == NULL )
2609         {
2610             p_vout = (vlc_object_t*) vlc_object_find( p_sys->p_input, VLC_OBJECT_VOUT,
2611                                       FIND_CHILD );
2612             if( p_vout)
2613             {
2614                 var_AddCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2615                 var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2616             }
2617         }
2618
2619         /* Wait a bit, 10ms */
2620         msleep( 10000 );
2621     }
2622
2623     /* Release callback */
2624     if( p_vout )
2625     {
2626         var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2627         var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2628         vlc_object_release( p_vout );
2629     }
2630     var_DelCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2631
2632     vlc_mutex_destroy( &p_ev->lock );
2633
2634     return VLC_SUCCESS;
2635 }
2636
2637 void matroska_segment_c::UnSelect( )
2638 {
2639     size_t i_track;
2640
2641     for( i_track = 0; i_track < tracks.size(); i_track++ )
2642     {
2643         if ( tracks[i_track]->p_es != NULL )
2644         {
2645             es_format_Clean( &tracks[i_track]->fmt );
2646             es_out_Del( sys.demuxer.out, tracks[i_track]->p_es );
2647             tracks[i_track]->p_es = NULL;
2648         }
2649     }
2650     delete ep;
2651     ep = NULL;
2652 }
2653
2654 void virtual_segment_c::PrepareChapters( )
2655 {
2656     if ( linked_segments.size() == 0 )
2657         return;
2658
2659     // !!! should be called only once !!!
2660     matroska_segment_c *p_segment;
2661     size_t i, j;
2662
2663     // copy editions from the first segment
2664     p_segment = linked_segments[0];
2665     p_editions = &p_segment->stored_editions;
2666
2667     for ( i=1 ; i<linked_segments.size(); i++ )
2668     {
2669         p_segment = linked_segments[i];
2670         // FIXME assume we have the same editions in all segments
2671         for (j=0; j<p_segment->stored_editions.size(); j++)
2672             (*p_editions)[j]->Append( *p_segment->stored_editions[j] );
2673     }
2674 }
2675
2676 std::string chapter_edition_c::GetMainName() const
2677 {
2678     if ( sub_chapters.size() )
2679     {
2680         return sub_chapters[0]->GetCodecName( true );
2681     }
2682     return "";
2683 }
2684
2685 int chapter_item_c::PublishChapters( input_title_t & title, int & i_user_chapters, int i_level )
2686 {
2687     // add support for meta-elements from codec like DVD Titles
2688     if ( !b_display_seekpoint || psz_name == "" )
2689     {
2690         psz_name = GetCodecName();
2691         if ( psz_name != "" )
2692             b_display_seekpoint = true;
2693     }
2694
2695     if (b_display_seekpoint)
2696     {
2697         seekpoint_t *sk = vlc_seekpoint_New();
2698
2699         sk->i_level = i_level;
2700         sk->i_time_offset = i_start_time;
2701         sk->psz_name = strdup( psz_name.c_str() );
2702
2703         // A start time of '0' is ok. A missing ChapterTime element is ok, too, because '0' is its default value.
2704         title.i_seekpoint++;
2705         title.seekpoint = (seekpoint_t**)realloc( title.seekpoint, title.i_seekpoint * sizeof( seekpoint_t* ) );
2706         title.seekpoint[title.i_seekpoint-1] = sk;
2707
2708         if ( b_user_display )
2709             i_user_chapters++;
2710     }
2711
2712     for ( size_t i=0; i<sub_chapters.size() ; i++)
2713     {
2714         sub_chapters[i]->PublishChapters( title, i_user_chapters, i_level+1 );
2715     }
2716
2717     i_seekpoint_num = i_user_chapters;
2718
2719     return i_user_chapters;
2720 }
2721
2722 bool virtual_segment_c::UpdateCurrentToChapter( demux_t & demux )
2723 {
2724     demux_sys_t & sys = *demux.p_sys;
2725     chapter_item_c *psz_curr_chapter;
2726
2727     /* update current chapter/seekpoint */
2728     if ( p_editions->size() )
2729     {
2730         /* 1st, we need to know in which chapter we are */
2731         psz_curr_chapter = (*p_editions)[i_current_edition]->FindTimecode( sys.i_pts );
2732
2733         /* we have moved to a new chapter */
2734         if (psz_curr_chapter != NULL && psz_current_chapter != psz_curr_chapter)
2735         {
2736             if ( (*p_editions)[i_current_edition]->b_ordered )
2737             {
2738                 // Leave/Enter up to the link point
2739                 if ( !psz_curr_chapter->EnterAndLeave( psz_current_chapter ) )
2740                 {
2741                     // only seek if necessary
2742                     if ( psz_current_chapter == NULL || (psz_current_chapter->i_end_time != psz_curr_chapter->i_start_time) )
2743                         Seek( demux, sys.i_pts, 0, psz_curr_chapter );
2744                     psz_current_chapter = psz_curr_chapter;
2745                 }
2746             }
2747             else if ( psz_curr_chapter->i_seekpoint_num > 0 )
2748             {
2749                 demux.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
2750                 demux.info.i_title = sys.i_current_title = i_sys_title;
2751                 demux.info.i_seekpoint = psz_curr_chapter->i_seekpoint_num - 1;
2752                 psz_current_chapter = psz_curr_chapter;
2753             }
2754             else
2755             {
2756                 psz_current_chapter = psz_curr_chapter;
2757             }
2758
2759             return true;
2760         }
2761         else if (psz_curr_chapter == NULL)
2762         {
2763             // out of the scope of the data described by chapters, leave the edition
2764             if ( (*p_editions)[i_current_edition]->b_ordered && psz_current_chapter != NULL )
2765             {
2766                 if ( !(*p_editions)[i_current_edition]->EnterAndLeave( psz_current_chapter ) )
2767                     psz_current_chapter = NULL;
2768                 else
2769                     return true;
2770             }
2771         }
2772     }
2773     return false;
2774 }
2775
2776 chapter_item_c *virtual_segment_c::BrowseCodecPrivate( unsigned int codec_id,
2777                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
2778                                     const void *p_cookie,
2779                                     size_t i_cookie_size )
2780 {
2781     // FIXME don't assume it is the first edition
2782     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
2783     if ( index != p_editions->end() )
2784     {
2785         chapter_item_c *p_result = (*index)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
2786         if ( p_result != NULL )
2787             return p_result;
2788     }
2789     return NULL;
2790 }
2791
2792 chapter_item_c *virtual_segment_c::FindChapter( int64_t i_find_uid )
2793 {
2794     // FIXME don't assume it is the first edition
2795     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
2796     if ( index != p_editions->end() )
2797     {
2798         chapter_item_c *p_result = (*index)->FindChapter( i_find_uid );
2799         if ( p_result != NULL )
2800             return p_result;
2801     }
2802     return NULL;
2803 }
2804
2805 chapter_item_c *chapter_item_c::BrowseCodecPrivate( unsigned int codec_id,
2806                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
2807                                     const void *p_cookie,
2808                                     size_t i_cookie_size )
2809 {
2810     // this chapter
2811     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2812     while ( index != codecs.end() )
2813     {
2814         if ( match( **index ,p_cookie, i_cookie_size ) )
2815             return this;
2816         index++;
2817     }
2818
2819     // sub-chapters
2820     chapter_item_c *p_result = NULL;
2821     std::vector<chapter_item_c*>::const_iterator index2 = sub_chapters.begin();
2822     while ( index2 != sub_chapters.end() )
2823     {
2824         p_result = (*index2)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
2825         if ( p_result != NULL )
2826             return p_result;
2827         index2++;
2828     }
2829
2830     return p_result;
2831 }
2832
2833 void chapter_item_c::Append( const chapter_item_c & chapter )
2834 {
2835     // we are appending content for the same chapter UID
2836     size_t i;
2837     chapter_item_c *p_chapter;
2838
2839     for ( i=0; i<chapter.sub_chapters.size(); i++ )
2840     {
2841         p_chapter = FindChapter( chapter.sub_chapters[i]->i_uid );
2842         if ( p_chapter != NULL )
2843         {
2844             p_chapter->Append( *chapter.sub_chapters[i] );
2845         }
2846         else
2847         {
2848             sub_chapters.push_back( chapter.sub_chapters[i] );
2849         }
2850     }
2851
2852     i_user_start_time = min( i_user_start_time, chapter.i_user_start_time );
2853     i_user_end_time = max( i_user_end_time, chapter.i_user_end_time );
2854 }
2855
2856 chapter_item_c * chapter_item_c::FindChapter( int64_t i_find_uid )
2857 {
2858     size_t i;
2859     chapter_item_c *p_result = NULL;
2860
2861     if ( i_uid == i_find_uid )
2862         return this;
2863
2864     for ( i=0; i<sub_chapters.size(); i++)
2865     {
2866         p_result = sub_chapters[i]->FindChapter( i_find_uid );
2867         if ( p_result != NULL )
2868             break;
2869     }
2870     return p_result;
2871 }
2872
2873 std::string chapter_item_c::GetCodecName( bool f_for_title ) const
2874 {
2875     std::string result;
2876
2877     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2878     while ( index != codecs.end() )
2879     {
2880         result = (*index)->GetCodecName( f_for_title );
2881         if ( result != "" )
2882             break;
2883         index++;
2884     }
2885
2886     return result;
2887 }
2888
2889 std::string dvd_chapter_codec_c::GetCodecName( bool f_for_title ) const
2890 {
2891     std::string result;
2892     if ( m_private_data.GetSize() >= 3)
2893     {
2894         const binary* p_data = m_private_data.GetBuffer();
2895 /*        if ( p_data[0] == MATROSKA_DVD_LEVEL_TT )
2896         {
2897             uint16_t i_title = (p_data[1] << 8) + p_data[2];
2898             char psz_str[11];
2899             sprintf( psz_str, " %d  ---", i_title );
2900             result = N_("---  DVD Title");
2901             result += psz_str;
2902         }
2903         else */ if ( p_data[0] == MATROSKA_DVD_LEVEL_LU )
2904         {
2905             char psz_str[11];
2906             sprintf( psz_str, " (%c%c)  ---", p_data[1], p_data[2] );
2907             result = N_("---  DVD Menu");
2908             result += psz_str;
2909         }
2910         else if ( p_data[0] == MATROSKA_DVD_LEVEL_SS && f_for_title )
2911         {
2912             if ( p_data[1] == 0x00 )
2913                 result = N_("First Played");
2914             else if ( p_data[1] == 0xC0 )
2915                 result = N_("Video Manager");
2916             else if ( p_data[1] == 0x80 )
2917             {
2918                 uint16_t i_title = (p_data[2] << 8) + p_data[3];
2919                 char psz_str[20];
2920                 sprintf( psz_str, " %d -----", i_title );
2921                 result = N_("----- Title");
2922                 result += psz_str;
2923             }
2924         }
2925     }
2926
2927     return result;
2928 }
2929
2930 int16 chapter_item_c::GetTitleNumber( ) const
2931 {
2932     int result = -1;
2933
2934     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2935     while ( index != codecs.end() )
2936     {
2937         result = (*index)->GetTitleNumber( );
2938         if ( result >= 0 )
2939             break;
2940         index++;
2941     }
2942
2943     return result;
2944 }
2945
2946 int16 dvd_chapter_codec_c::GetTitleNumber()
2947 {
2948     if ( m_private_data.GetSize() >= 3)
2949     {
2950         const binary* p_data = m_private_data.GetBuffer();
2951         if ( p_data[0] == MATROSKA_DVD_LEVEL_SS )
2952         {
2953             return int16( (p_data[2] << 8) + p_data[3] );
2954         }
2955     }
2956     return -1;
2957 }
2958
2959 static void Seek( demux_t *p_demux, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter )
2960 {
2961     demux_sys_t        *p_sys = p_demux->p_sys;
2962     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
2963     matroska_segment_c *p_segment = p_vsegment->Segment();
2964     mtime_t            i_time_offset = 0;
2965
2966     int         i_index;
2967
2968     msg_Dbg( p_demux, "seek request to "I64Fd" (%f%%)", i_date, f_percent );
2969     if( i_date < 0 && f_percent < 0 )
2970     {
2971         msg_Warn( p_demux, "cannot seek nowhere !" );
2972         return;
2973     }
2974     if( f_percent > 1.0 )
2975     {
2976         msg_Warn( p_demux, "cannot seek so far !" );
2977         return;
2978     }
2979
2980     /* seek without index or without date */
2981     if( f_percent >= 0 && (config_GetInt( p_demux, "mkv-seek-percent" ) || !p_segment->b_cues || i_date < 0 ))
2982     {
2983         if (p_sys->f_duration >= 0)
2984         {
2985             i_date = int64_t( f_percent * p_sys->f_duration * 1000.0 );
2986         }
2987         else
2988         {
2989             int64_t i_pos = int64_t( f_percent * stream_Size( p_demux->s ) );
2990
2991             msg_Dbg( p_demux, "inacurate way of seeking" );
2992             for( i_index = 0; i_index < p_segment->i_index; i_index++ )
2993             {
2994                 if( p_segment->index[i_index].i_position >= i_pos)
2995                 {
2996                     break;
2997                 }
2998             }
2999             if( i_index == p_segment->i_index )
3000             {
3001                 i_index--;
3002             }
3003
3004             i_date = p_segment->index[i_index].i_time;
3005
3006 #if 0
3007             if( p_segment->index[i_index].i_position < i_pos )
3008             {
3009                 EbmlElement *el;
3010
3011                 msg_Warn( p_demux, "searching for cluster, could take some time" );
3012
3013                 /* search a cluster */
3014                 while( ( el = p_sys->ep->Get() ) != NULL )
3015                 {
3016                     if( MKV_IS_ID( el, KaxCluster ) )
3017                     {
3018                         KaxCluster *cluster = (KaxCluster*)el;
3019
3020                         /* add it to the index */
3021                         p_segment->IndexAppendCluster( cluster );
3022
3023                         if( (int64_t)cluster->GetElementPosition() >= i_pos )
3024                         {
3025                             p_sys->cluster = cluster;
3026                             p_sys->ep->Down();
3027                             break;
3028                         }
3029                     }
3030                 }
3031             }
3032 #endif
3033         }
3034     }
3035
3036     p_vsegment->Seek( *p_demux, i_date, i_time_offset, psz_chapter );
3037 }
3038
3039 /*****************************************************************************
3040  * Demux: reads and demuxes data packets
3041  *****************************************************************************
3042  * Returns -1 in case of error, 0 in case of EOF, 1 otherwise
3043  *****************************************************************************/
3044 static int Demux( demux_t *p_demux)
3045 {
3046     demux_sys_t        *p_sys = p_demux->p_sys;
3047
3048     vlc_mutex_lock( &p_sys->lock_demuxer );
3049
3050     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3051     matroska_segment_c *p_segment = p_vsegment->Segment();
3052     if ( p_segment == NULL ) return 0;
3053     int                i_block_count = 0;
3054     int                i_return = 0;
3055
3056     KaxBlock *block;
3057     int64_t i_block_duration;
3058     int64_t i_block_ref1;
3059     int64_t i_block_ref2;
3060
3061     for( ;; )
3062     {
3063         if ( p_sys->demuxer.b_die )
3064             break;
3065
3066         if( p_sys->i_pts >= p_sys->i_start_pts  )
3067             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3068             {
3069                 i_return = 1;
3070                 break;
3071             }
3072
3073         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3074         {
3075             /* nothing left to read in this ordered edition */
3076             if ( !p_vsegment->SelectNext() )
3077                 break;
3078             p_segment->UnSelect( );
3079
3080             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3081
3082             /* switch to the next segment */
3083             p_segment = p_vsegment->Segment();
3084             if ( !p_segment->Select( 0 ) )
3085             {
3086                 msg_Err( p_demux, "Failed to select new segment" );
3087                 break;
3088             }
3089             continue;
3090         }
3091
3092
3093         if( p_segment->BlockGet( &block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
3094         {
3095             if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered )
3096             {
3097                 const chapter_item_c *p_chap = p_vsegment->CurrentChapter();
3098                 // check if there are more chapters to read
3099                 if ( p_chap != NULL )
3100                 {
3101                     /* TODO handle successive chapters with the same user_start_time/user_end_time
3102                     if ( p_chap->i_user_start_time == p_chap->i_user_start_time )
3103                         p_vsegment->SelectNext();
3104                     */
3105                     p_sys->i_pts = p_chap->i_user_end_time;
3106                     p_sys->i_pts++; // trick to avoid staying on segments with no duration and no content
3107
3108                     i_return = 1;
3109                 }
3110
3111                 break;
3112             }
3113             msg_Warn( p_demux, "cannot get block EOF?" );
3114             p_segment->UnSelect( );
3115
3116             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3117
3118             /* switch to the next segment */
3119             if ( !p_vsegment->SelectNext() )
3120                 // no more segments in this stream
3121                 break;
3122             p_segment = p_vsegment->Segment();
3123             if ( !p_segment->Select( 0 ) )
3124             {
3125                 msg_Err( p_demux, "Failed to select new segment" );
3126                 break;
3127             }
3128
3129             continue;
3130         }
3131
3132         p_sys->i_pts = p_sys->i_chapter_time + block->GlobalTimecode() / (mtime_t) 1000;
3133
3134         if( p_sys->i_pts >= p_sys->i_start_pts  )
3135         {
3136             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pts );
3137         }
3138
3139         BlockDecode( p_demux, block, p_sys->i_pts, i_block_duration );
3140
3141         delete block;
3142         i_block_count++;
3143
3144         // TODO optimize when there is need to leave or when seeking has been called
3145         if( i_block_count > 5 )
3146         {
3147             i_return = 1;
3148             break;
3149         }
3150     }
3151
3152     vlc_mutex_unlock( &p_sys->lock_demuxer );
3153
3154     return i_return;
3155 }
3156
3157
3158
3159 /*****************************************************************************
3160  * Stream managment
3161  *****************************************************************************/
3162 vlc_stream_io_callback::vlc_stream_io_callback( stream_t *s_ )
3163 {
3164     s = s_;
3165     mb_eof = VLC_FALSE;
3166 }
3167
3168 uint32 vlc_stream_io_callback::read( void *p_buffer, size_t i_size )
3169 {
3170     if( i_size <= 0 || mb_eof )
3171     {
3172         return 0;
3173     }
3174
3175     return stream_Read( s, p_buffer, i_size );
3176 }
3177 void vlc_stream_io_callback::setFilePointer(int64_t i_offset, seek_mode mode )
3178 {
3179     int64_t i_pos;
3180
3181     switch( mode )
3182     {
3183         case seek_beginning:
3184             i_pos = i_offset;
3185             break;
3186         case seek_end:
3187             i_pos = stream_Size( s ) - i_offset;
3188             break;
3189         default:
3190             i_pos= stream_Tell( s ) + i_offset;
3191             break;
3192     }
3193
3194     if( i_pos < 0 || i_pos >= stream_Size( s ) )
3195     {
3196         mb_eof = VLC_TRUE;
3197         return;
3198     }
3199
3200     mb_eof = VLC_FALSE;
3201     if( stream_Seek( s, i_pos ) )
3202     {
3203         mb_eof = VLC_TRUE;
3204     }
3205     return;
3206 }
3207 size_t vlc_stream_io_callback::write( const void *p_buffer, size_t i_size )
3208 {
3209     return 0;
3210 }
3211 uint64 vlc_stream_io_callback::getFilePointer( void )
3212 {
3213     return stream_Tell( s );
3214 }
3215 void vlc_stream_io_callback::close( void )
3216 {
3217     return;
3218 }
3219
3220
3221 /*****************************************************************************
3222  * Ebml Stream parser
3223  *****************************************************************************/
3224 EbmlParser::EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux )
3225 {
3226     int i;
3227
3228     m_es = es;
3229     m_got = NULL;
3230     m_el[0] = el_start;
3231     mi_remain_size[0] = el_start->GetSize();
3232
3233     for( i = 1; i < 6; i++ )
3234     {
3235         m_el[i] = NULL;
3236     }
3237     mi_level = 1;
3238     mi_user_level = 1;
3239     mb_keep = VLC_FALSE;
3240     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3241 }
3242
3243 EbmlParser::~EbmlParser( void )
3244 {
3245     int i;
3246
3247     for( i = 1; i < mi_level; i++ )
3248     {
3249         if( !mb_keep )
3250         {
3251             delete m_el[i];
3252         }
3253         mb_keep = VLC_FALSE;
3254     }
3255 }
3256
3257 void EbmlParser::Up( void )
3258 {
3259     if( mi_user_level == mi_level )
3260     {
3261         fprintf( stderr," arrrrrrrrrrrrrg Up cannot escape itself\n" );
3262     }
3263
3264     mi_user_level--;
3265 }
3266
3267 void EbmlParser::Down( void )
3268 {
3269     mi_user_level++;
3270     mi_level++;
3271 }
3272
3273 void EbmlParser::Keep( void )
3274 {
3275     mb_keep = VLC_TRUE;
3276 }
3277
3278 int EbmlParser::GetLevel( void )
3279 {
3280     return mi_user_level;
3281 }
3282
3283 void EbmlParser::Reset( demux_t *p_demux )
3284 {
3285     while ( mi_level > 0)
3286     {
3287         delete m_el[mi_level];
3288         m_el[mi_level] = NULL;
3289         mi_level--;
3290     }
3291     mi_user_level = mi_level = 1;
3292 #if LIBEBML_VERSION >= 0x000704
3293     // a little faster and cleaner
3294     m_es->I_O().setFilePointer( static_cast<KaxSegment*>(m_el[0])->GetGlobalPosition(0) );
3295 #else
3296     m_es->I_O().setFilePointer( m_el[0]->GetElementPosition() + m_el[0]->ElementSize(true) - m_el[0]->GetSize() );
3297 #endif
3298     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3299 }
3300
3301 EbmlElement *EbmlParser::Get( void )
3302 {
3303     int i_ulev = 0;
3304
3305     if( mi_user_level != mi_level )
3306     {
3307         return NULL;
3308     }
3309     if( m_got )
3310     {
3311         EbmlElement *ret = m_got;
3312         m_got = NULL;
3313
3314         return ret;
3315     }
3316
3317     if( m_el[mi_level] )
3318     {
3319         m_el[mi_level]->SkipData( *m_es, m_el[mi_level]->Generic().Context );
3320         if( !mb_keep )
3321         {
3322             delete m_el[mi_level];
3323         }
3324         mb_keep = VLC_FALSE;
3325     }
3326
3327     m_el[mi_level] = m_es->FindNextElement( m_el[mi_level - 1]->Generic().Context, i_ulev, 0xFFFFFFFFL, mb_dummy, 1 );
3328 //    mi_remain_size[mi_level] = m_el[mi_level]->GetSize();
3329     if( i_ulev > 0 )
3330     {
3331         while( i_ulev > 0 )
3332         {
3333             if( mi_level == 1 )
3334             {
3335                 mi_level = 0;
3336                 return NULL;
3337             }
3338
3339             delete m_el[mi_level - 1];
3340             m_got = m_el[mi_level -1] = m_el[mi_level];
3341             m_el[mi_level] = NULL;
3342
3343             mi_level--;
3344             i_ulev--;
3345         }
3346         return NULL;
3347     }
3348     else if( m_el[mi_level] == NULL )
3349     {
3350         fprintf( stderr," m_el[mi_level] == NULL\n" );
3351     }
3352
3353     return m_el[mi_level];
3354 }
3355
3356
3357 /*****************************************************************************
3358  * Tools
3359  *  * LoadCues : load the cues element and update index
3360  *
3361  *  * LoadTags : load ... the tags element
3362  *
3363  *  * InformationCreate : create all information, load tags if present
3364  *
3365  *****************************************************************************/
3366 void matroska_segment_c::LoadCues( )
3367 {
3368     int64_t     i_sav_position = es.I_O().getFilePointer();
3369     EbmlParser  *ep;
3370     EbmlElement *el, *cues;
3371
3372     /* *** Load the cue if found *** */
3373     if( i_cues_position < 0 )
3374     {
3375         msg_Warn( &sys.demuxer, "no cues/empty cues found->seek won't be precise" );
3376
3377 //        IndexAppendCluster( cluster );
3378     }
3379
3380     vlc_bool_t b_seekable;
3381
3382     stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
3383     if( !b_seekable )
3384         return;
3385
3386     msg_Dbg( &sys.demuxer, "loading cues" );
3387     es.I_O().setFilePointer( i_cues_position, seek_beginning );
3388     cues = es.FindNextID( KaxCues::ClassInfos, 0xFFFFFFFFL);
3389
3390     if( cues == NULL )
3391     {
3392         msg_Err( &sys.demuxer, "cannot load cues (broken seekhead or file)" );
3393         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3394         return;
3395     }
3396
3397     ep = new EbmlParser( &es, cues, &sys.demuxer );
3398     while( ( el = ep->Get() ) != NULL )
3399     {
3400         if( MKV_IS_ID( el, KaxCuePoint ) )
3401         {
3402 #define idx index[i_index]
3403
3404             idx.i_track       = -1;
3405             idx.i_block_number= -1;
3406             idx.i_position    = -1;
3407             idx.i_time        = 0;
3408             idx.b_key         = VLC_TRUE;
3409
3410             ep->Down();
3411             while( ( el = ep->Get() ) != NULL )
3412             {
3413                 if( MKV_IS_ID( el, KaxCueTime ) )
3414                 {
3415                     KaxCueTime &ctime = *(KaxCueTime*)el;
3416
3417                     ctime.ReadData( es.I_O() );
3418
3419                     idx.i_time = uint64( ctime ) * i_timescale / (mtime_t)1000;
3420                 }
3421                 else if( MKV_IS_ID( el, KaxCueTrackPositions ) )
3422                 {
3423                     ep->Down();
3424                     while( ( el = ep->Get() ) != NULL )
3425                     {
3426                         if( MKV_IS_ID( el, KaxCueTrack ) )
3427                         {
3428                             KaxCueTrack &ctrack = *(KaxCueTrack*)el;
3429
3430                             ctrack.ReadData( es.I_O() );
3431                             idx.i_track = uint16( ctrack );
3432                         }
3433                         else if( MKV_IS_ID( el, KaxCueClusterPosition ) )
3434                         {
3435                             KaxCueClusterPosition &ccpos = *(KaxCueClusterPosition*)el;
3436
3437                             ccpos.ReadData( es.I_O() );
3438                             idx.i_position = segment->GetGlobalPosition( uint64( ccpos ) );
3439                         }
3440                         else if( MKV_IS_ID( el, KaxCueBlockNumber ) )
3441                         {
3442                             KaxCueBlockNumber &cbnum = *(KaxCueBlockNumber*)el;
3443
3444                             cbnum.ReadData( es.I_O() );
3445                             idx.i_block_number = uint32( cbnum );
3446                         }
3447                         else
3448                         {
3449                             msg_Dbg( &sys.demuxer, "         * Unknown (%s)", typeid(*el).name() );
3450                         }
3451                     }
3452                     ep->Up();
3453                 }
3454                 else
3455                 {
3456                     msg_Dbg( &sys.demuxer, "     * Unknown (%s)", typeid(*el).name() );
3457                 }
3458             }
3459             ep->Up();
3460
3461 #if 0
3462             msg_Dbg( &sys.demuxer, " * added time="I64Fd" pos="I64Fd
3463                      " track=%d bnum=%d", idx.i_time, idx.i_position,
3464                      idx.i_track, idx.i_block_number );
3465 #endif
3466
3467             i_index++;
3468             if( i_index >= i_index_max )
3469             {
3470                 i_index_max += 1024;
3471                 index = (mkv_index_t*)realloc( index, sizeof( mkv_index_t ) * i_index_max );
3472             }
3473 #undef idx
3474         }
3475         else
3476         {
3477             msg_Dbg( &sys.demuxer, " * Unknown (%s)", typeid(*el).name() );
3478         }
3479     }
3480     delete ep;
3481     delete cues;
3482
3483     b_cues = VLC_TRUE;
3484
3485     msg_Dbg( &sys.demuxer, "loading cues done." );
3486     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3487 }
3488
3489 void matroska_segment_c::LoadTags( )
3490 {
3491     int64_t     i_sav_position = es.I_O().getFilePointer();
3492     EbmlParser  *ep;
3493     EbmlElement *el, *tags;
3494
3495     msg_Dbg( &sys.demuxer, "loading tags" );
3496     es.I_O().setFilePointer( i_tags_position, seek_beginning );
3497     tags = es.FindNextID( KaxTags::ClassInfos, 0xFFFFFFFFL);
3498
3499     if( tags == NULL )
3500     {
3501         msg_Err( &sys.demuxer, "cannot load tags (broken seekhead or file)" );
3502         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3503         return;
3504     }
3505
3506     msg_Dbg( &sys.demuxer, "Tags" );
3507     ep = new EbmlParser( &es, tags, &sys.demuxer );
3508     while( ( el = ep->Get() ) != NULL )
3509     {
3510         if( MKV_IS_ID( el, KaxTag ) )
3511         {
3512             msg_Dbg( &sys.demuxer, "+ Tag" );
3513             ep->Down();
3514             while( ( el = ep->Get() ) != NULL )
3515             {
3516                 if( MKV_IS_ID( el, KaxTagTargets ) )
3517                 {
3518                     msg_Dbg( &sys.demuxer, "|   + Targets" );
3519                     ep->Down();
3520                     while( ( el = ep->Get() ) != NULL )
3521                     {
3522                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3523                     }
3524                     ep->Up();
3525                 }
3526                 else if( MKV_IS_ID( el, KaxTagGeneral ) )
3527                 {
3528                     msg_Dbg( &sys.demuxer, "|   + General" );
3529                     ep->Down();
3530                     while( ( el = ep->Get() ) != NULL )
3531                     {
3532                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3533                     }
3534                     ep->Up();
3535                 }
3536                 else if( MKV_IS_ID( el, KaxTagGenres ) )
3537                 {
3538                     msg_Dbg( &sys.demuxer, "|   + Genres" );
3539                     ep->Down();
3540                     while( ( el = ep->Get() ) != NULL )
3541                     {
3542                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3543                     }
3544                     ep->Up();
3545                 }
3546                 else if( MKV_IS_ID( el, KaxTagAudioSpecific ) )
3547                 {
3548                     msg_Dbg( &sys.demuxer, "|   + Audio Specific" );
3549                     ep->Down();
3550                     while( ( el = ep->Get() ) != NULL )
3551                     {
3552                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3553                     }
3554                     ep->Up();
3555                 }
3556                 else if( MKV_IS_ID( el, KaxTagImageSpecific ) )
3557                 {
3558                     msg_Dbg( &sys.demuxer, "|   + Images Specific" );
3559                     ep->Down();
3560                     while( ( el = ep->Get() ) != NULL )
3561                     {
3562                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3563                     }
3564                     ep->Up();
3565                 }
3566                 else if( MKV_IS_ID( el, KaxTagMultiComment ) )
3567                 {
3568                     msg_Dbg( &sys.demuxer, "|   + Multi Comment" );
3569                 }
3570                 else if( MKV_IS_ID( el, KaxTagMultiCommercial ) )
3571                 {
3572                     msg_Dbg( &sys.demuxer, "|   + Multi Commercial" );
3573                 }
3574                 else if( MKV_IS_ID( el, KaxTagMultiDate ) )
3575                 {
3576                     msg_Dbg( &sys.demuxer, "|   + Multi Date" );
3577                 }
3578                 else if( MKV_IS_ID( el, KaxTagMultiEntity ) )
3579                 {
3580                     msg_Dbg( &sys.demuxer, "|   + Multi Entity" );
3581                 }
3582                 else if( MKV_IS_ID( el, KaxTagMultiIdentifier ) )
3583                 {
3584                     msg_Dbg( &sys.demuxer, "|   + Multi Identifier" );
3585                 }
3586                 else if( MKV_IS_ID( el, KaxTagMultiLegal ) )
3587                 {
3588                     msg_Dbg( &sys.demuxer, "|   + Multi Legal" );
3589                 }
3590                 else if( MKV_IS_ID( el, KaxTagMultiTitle ) )
3591                 {
3592                     msg_Dbg( &sys.demuxer, "|   + Multi Title" );
3593                 }
3594                 else
3595                 {
3596                     msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid( *el ).name() );
3597                 }
3598             }
3599             ep->Up();
3600         }
3601         else
3602         {
3603             msg_Dbg( &sys.demuxer, "+ Unknown (%s)", typeid( *el ).name() );
3604         }
3605     }
3606     delete ep;
3607     delete tags;
3608
3609     msg_Dbg( &sys.demuxer, "loading tags done." );
3610     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3611 }
3612
3613 /*****************************************************************************
3614  * ParseSeekHead:
3615  *****************************************************************************/
3616 void matroska_segment_c::ParseSeekHead( KaxSeekHead *seekhead )
3617 {
3618     EbmlElement *el;
3619     size_t i, j;
3620     int i_upper_level = 0;
3621
3622     msg_Dbg( &sys.demuxer, "|   + Seek head" );
3623
3624     /* Master elements */
3625     seekhead->Read( es, seekhead->Generic().Context, i_upper_level, el, true );
3626
3627     for( i = 0; i < seekhead->ListSize(); i++ )
3628     {
3629         EbmlElement *l = (*seekhead)[i];
3630
3631         if( MKV_IS_ID( l, KaxSeek ) )
3632         {
3633             EbmlMaster *sk = static_cast<EbmlMaster *>(l);
3634             EbmlId id = EbmlVoid::ClassInfos.GlobalId;
3635             int64_t i_pos = -1;
3636
3637             for( j = 0; j < sk->ListSize(); j++ )
3638             {
3639                 EbmlElement *l = (*sk)[j];
3640
3641                 if( MKV_IS_ID( l, KaxSeekID ) )
3642                 {
3643                     KaxSeekID &sid = *(KaxSeekID*)l;
3644                     id = EbmlId( sid.GetBuffer(), sid.GetSize() );
3645                 }
3646                 else if( MKV_IS_ID( l, KaxSeekPosition ) )
3647                 {
3648                     KaxSeekPosition &spos = *(KaxSeekPosition*)l;
3649                     i_pos = uint64( spos );
3650                 }
3651                 else
3652                 {
3653                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
3654                 }
3655             }
3656
3657             if( i_pos >= 0 )
3658             {
3659                 if( id == KaxCues::ClassInfos.GlobalId )
3660                 {
3661                     msg_Dbg( &sys.demuxer, "|   |   |   = cues at "I64Fd, i_pos );
3662                     i_cues_position = segment->GetGlobalPosition( i_pos );
3663                 }
3664                 else if( id == KaxChapters::ClassInfos.GlobalId )
3665                 {
3666                     msg_Dbg( &sys.demuxer, "|   |   |   = chapters at "I64Fd, i_pos );
3667                     i_chapters_position = segment->GetGlobalPosition( i_pos );
3668                 }
3669                 else if( id == KaxTags::ClassInfos.GlobalId )
3670                 {
3671                     msg_Dbg( &sys.demuxer, "|   |   |   = tags at "I64Fd, i_pos );
3672                     i_tags_position = segment->GetGlobalPosition( i_pos );
3673                 }
3674             }
3675         }
3676         else
3677         {
3678             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
3679         }
3680     }
3681 }
3682
3683 /*****************************************************************************
3684  * ParseTrackEntry:
3685  *****************************************************************************/
3686 void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
3687 {
3688     size_t i, j, k, n;
3689
3690     mkv_track_t *tk;
3691
3692     msg_Dbg( &sys.demuxer, "|   |   + Track Entry" );
3693
3694     tk = new mkv_track_t();
3695     tracks.push_back( tk );
3696
3697     /* Init the track */
3698     memset( tk, 0, sizeof( mkv_track_t ) );
3699
3700     es_format_Init( &tk->fmt, UNKNOWN_ES, 0 );
3701     tk->fmt.psz_language = strdup("English");
3702     tk->fmt.psz_description = NULL;
3703
3704     tk->b_default = VLC_TRUE;
3705     tk->b_enabled = VLC_TRUE;
3706     tk->b_silent = VLC_FALSE;
3707     tk->i_number = tracks.size() - 1;
3708     tk->i_extra_data = 0;
3709     tk->p_extra_data = NULL;
3710     tk->psz_codec = NULL;
3711     tk->i_default_duration = 0;
3712     tk->f_timecodescale = 1.0;
3713
3714     tk->b_inited = VLC_FALSE;
3715     tk->i_data_init = 0;
3716     tk->p_data_init = NULL;
3717
3718     tk->psz_codec_name = NULL;
3719     tk->psz_codec_settings = NULL;
3720     tk->psz_codec_info_url = NULL;
3721     tk->psz_codec_download_url = NULL;
3722
3723     tk->i_compression_type = MATROSKA_COMPRESSION_NONE;
3724
3725     for( i = 0; i < m->ListSize(); i++ )
3726     {
3727         EbmlElement *l = (*m)[i];
3728
3729         if( MKV_IS_ID( l, KaxTrackNumber ) )
3730         {
3731             KaxTrackNumber &tnum = *(KaxTrackNumber*)l;
3732
3733             tk->i_number = uint32( tnum );
3734             msg_Dbg( &sys.demuxer, "|   |   |   + Track Number=%u", uint32( tnum ) );
3735         }
3736         else  if( MKV_IS_ID( l, KaxTrackUID ) )
3737         {
3738             KaxTrackUID &tuid = *(KaxTrackUID*)l;
3739
3740             msg_Dbg( &sys.demuxer, "|   |   |   + Track UID=%u",  uint32( tuid ) );
3741         }
3742         else  if( MKV_IS_ID( l, KaxTrackType ) )
3743         {
3744             char *psz_type;
3745             KaxTrackType &ttype = *(KaxTrackType*)l;
3746
3747             switch( uint8(ttype) )
3748             {
3749                 case track_audio:
3750                     psz_type = "audio";
3751                     tk->fmt.i_cat = AUDIO_ES;
3752                     break;
3753                 case track_video:
3754                     psz_type = "video";
3755                     tk->fmt.i_cat = VIDEO_ES;
3756                     break;
3757                 case track_subtitle:
3758                     psz_type = "subtitle";
3759                     tk->fmt.i_cat = SPU_ES;
3760                     break;
3761                 case track_buttons:
3762                     psz_type = "buttons";
3763                     tk->fmt.i_cat = SPU_ES;
3764                     break;
3765                 default:
3766                     psz_type = "unknown";
3767                     tk->fmt.i_cat = UNKNOWN_ES;
3768                     break;
3769             }
3770
3771             msg_Dbg( &sys.demuxer, "|   |   |   + Track Type=%s", psz_type );
3772         }
3773 //        else  if( EbmlId( *l ) == KaxTrackFlagEnabled::ClassInfos.GlobalId )
3774 //        {
3775 //            KaxTrackFlagEnabled &fenb = *(KaxTrackFlagEnabled*)l;
3776
3777 //            tk->b_enabled = uint32( fenb );
3778 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Enabled=%u",
3779 //                     uint32( fenb )  );
3780 //        }
3781         else  if( MKV_IS_ID( l, KaxTrackFlagDefault ) )
3782         {
3783             KaxTrackFlagDefault &fdef = *(KaxTrackFlagDefault*)l;
3784
3785             tk->b_default = uint32( fdef );
3786             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default=%u", uint32( fdef )  );
3787         }
3788         else  if( MKV_IS_ID( l, KaxTrackFlagLacing ) )
3789         {
3790             KaxTrackFlagLacing &lac = *(KaxTrackFlagLacing*)l;
3791
3792             msg_Dbg( &sys.demuxer, "|   |   |   + Track Lacing=%d", uint32( lac ) );
3793         }
3794         else  if( MKV_IS_ID( l, KaxTrackMinCache ) )
3795         {
3796             KaxTrackMinCache &cmin = *(KaxTrackMinCache*)l;
3797
3798             msg_Dbg( &sys.demuxer, "|   |   |   + Track MinCache=%d", uint32( cmin ) );
3799         }
3800         else  if( MKV_IS_ID( l, KaxTrackMaxCache ) )
3801         {
3802             KaxTrackMaxCache &cmax = *(KaxTrackMaxCache*)l;
3803
3804             msg_Dbg( &sys.demuxer, "|   |   |   + Track MaxCache=%d", uint32( cmax ) );
3805         }
3806         else  if( MKV_IS_ID( l, KaxTrackDefaultDuration ) )
3807         {
3808             KaxTrackDefaultDuration &defd = *(KaxTrackDefaultDuration*)l;
3809
3810             tk->i_default_duration = uint64(defd);
3811             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default Duration="I64Fd, uint64(defd) );
3812         }
3813         else  if( MKV_IS_ID( l, KaxTrackTimecodeScale ) )
3814         {
3815             KaxTrackTimecodeScale &ttcs = *(KaxTrackTimecodeScale*)l;
3816
3817             tk->f_timecodescale = float( ttcs );
3818             msg_Dbg( &sys.demuxer, "|   |   |   + Track TimeCodeScale=%f", tk->f_timecodescale );
3819         }
3820         else if( MKV_IS_ID( l, KaxTrackName ) )
3821         {
3822             KaxTrackName &tname = *(KaxTrackName*)l;
3823
3824             tk->fmt.psz_description = UTF8ToStr( UTFstring( tname ) );
3825             msg_Dbg( &sys.demuxer, "|   |   |   + Track Name=%s", tk->fmt.psz_description );
3826         }
3827         else  if( MKV_IS_ID( l, KaxTrackLanguage ) )
3828         {
3829             KaxTrackLanguage &lang = *(KaxTrackLanguage*)l;
3830
3831             tk->fmt.psz_language = strdup( string( lang ).c_str() );
3832             msg_Dbg( &sys.demuxer,
3833                      "|   |   |   + Track Language=`%s'", tk->fmt.psz_language );
3834         }
3835         else  if( MKV_IS_ID( l, KaxCodecID ) )
3836         {
3837             KaxCodecID &codecid = *(KaxCodecID*)l;
3838
3839             tk->psz_codec = strdup( string( codecid ).c_str() );
3840             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecId=%s", string( codecid ).c_str() );
3841         }
3842         else  if( MKV_IS_ID( l, KaxCodecPrivate ) )
3843         {
3844             KaxCodecPrivate &cpriv = *(KaxCodecPrivate*)l;
3845
3846             tk->i_extra_data = cpriv.GetSize();
3847             if( tk->i_extra_data > 0 )
3848             {
3849                 tk->p_extra_data = (uint8_t*)malloc( tk->i_extra_data );
3850                 memcpy( tk->p_extra_data, cpriv.GetBuffer(), tk->i_extra_data );
3851             }
3852             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecPrivate size="I64Fd, cpriv.GetSize() );
3853         }
3854         else if( MKV_IS_ID( l, KaxCodecName ) )
3855         {
3856             KaxCodecName &cname = *(KaxCodecName*)l;
3857
3858             tk->psz_codec_name = UTF8ToStr( UTFstring( cname ) );
3859             msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Name=%s", tk->psz_codec_name );
3860         }
3861         else if( MKV_IS_ID( l, KaxContentEncodings ) )
3862         {
3863             EbmlMaster *cencs = static_cast<EbmlMaster*>(l);
3864             MkvTree( sys.demuxer, 3, "Content Encodings" );
3865             for( j = 0; j < cencs->ListSize(); j++ )
3866             {
3867                 EbmlElement *l2 = (*cencs)[j];
3868                 if( MKV_IS_ID( l2, KaxContentEncoding ) )
3869                 {
3870                     MkvTree( sys.demuxer, 4, "Content Encoding" );
3871                     EbmlMaster *cenc = static_cast<EbmlMaster*>(l2);
3872                     for( k = 0; k < cenc->ListSize(); k++ )
3873                     {
3874                         EbmlElement *l3 = (*cenc)[k];
3875                         if( MKV_IS_ID( l3, KaxContentEncodingOrder ) )
3876                         {
3877                             KaxContentEncodingOrder &encord = *(KaxContentEncodingOrder*)l3;
3878                             MkvTree( sys.demuxer, 5, "Order: %i", uint32( encord ) );
3879                         }
3880                         else if( MKV_IS_ID( l3, KaxContentEncodingScope ) )
3881                         {
3882                             KaxContentEncodingScope &encscope = *(KaxContentEncodingScope*)l3;
3883                             MkvTree( sys.demuxer, 5, "Scope: %i", uint32( encscope ) );
3884                         }
3885                         else if( MKV_IS_ID( l3, KaxContentEncodingType ) )
3886                         {
3887                             KaxContentEncodingType &enctype = *(KaxContentEncodingType*)l3;
3888                             MkvTree( sys.demuxer, 5, "Type: %i", uint32( enctype ) );
3889                         }
3890                         else if( MKV_IS_ID( l3, KaxContentCompression ) )
3891                         {
3892                             EbmlMaster *compr = static_cast<EbmlMaster*>(l3);
3893                             MkvTree( sys.demuxer, 5, "Content Compression" );
3894                             for( n = 0; n < compr->ListSize(); n++ )
3895                             {
3896                                 EbmlElement *l4 = (*compr)[n];
3897                                 if( MKV_IS_ID( l4, KaxContentCompAlgo ) )
3898                                 {
3899                                     KaxContentCompAlgo &compalg = *(KaxContentCompAlgo*)l4;
3900                                     MkvTree( sys.demuxer, 6, "Compression Algorithm: %i", uint32(compalg) );
3901                                     if( uint32( compalg ) == 0 )
3902                                     {
3903                                         tk->i_compression_type = MATROSKA_COMPRESSION_ZLIB;
3904                                     }
3905                                 }
3906                                 else
3907                                 {
3908                                     MkvTree( sys.demuxer, 6, "Unknown (%s)", typeid(*l4).name() );
3909                                 }
3910                             }
3911                         }
3912
3913                         else
3914                         {
3915                             MkvTree( sys.demuxer, 5, "Unknown (%s)", typeid(*l3).name() );
3916                         }
3917                     }
3918
3919                 }
3920                 else
3921                 {
3922                     MkvTree( sys.demuxer, 4, "Unknown (%s)", typeid(*l2).name() );
3923                 }
3924             }
3925
3926         }
3927 //        else if( EbmlId( *l ) == KaxCodecSettings::ClassInfos.GlobalId )
3928 //        {
3929 //            KaxCodecSettings &cset = *(KaxCodecSettings*)l;
3930
3931 //            tk->psz_codec_settings = UTF8ToStr( UTFstring( cset ) );
3932 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Settings=%s", tk->psz_codec_settings );
3933 //        }
3934 //        else if( EbmlId( *l ) == KaxCodecInfoURL::ClassInfos.GlobalId )
3935 //        {
3936 //            KaxCodecInfoURL &ciurl = *(KaxCodecInfoURL*)l;
3937
3938 //            tk->psz_codec_info_url = strdup( string( ciurl ).c_str() );
3939 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_info_url );
3940 //        }
3941 //        else if( EbmlId( *l ) == KaxCodecDownloadURL::ClassInfos.GlobalId )
3942 //        {
3943 //            KaxCodecDownloadURL &cdurl = *(KaxCodecDownloadURL*)l;
3944
3945 //            tk->psz_codec_download_url = strdup( string( cdurl ).c_str() );
3946 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_download_url );
3947 //        }
3948 //        else if( EbmlId( *l ) == KaxCodecDecodeAll::ClassInfos.GlobalId )
3949 //        {
3950 //            KaxCodecDecodeAll &cdall = *(KaxCodecDecodeAll*)l;
3951
3952 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Decode All=%u <== UNUSED", uint8( cdall ) );
3953 //        }
3954 //        else if( EbmlId( *l ) == KaxTrackOverlay::ClassInfos.GlobalId )
3955 //        {
3956 //            KaxTrackOverlay &tovr = *(KaxTrackOverlay*)l;
3957
3958 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Overlay=%u <== UNUSED", uint32( tovr ) );
3959 //        }
3960         else  if( MKV_IS_ID( l, KaxTrackVideo ) )
3961         {
3962             EbmlMaster *tkv = static_cast<EbmlMaster*>(l);
3963             unsigned int j;
3964
3965             msg_Dbg( &sys.demuxer, "|   |   |   + Track Video" );
3966             tk->f_fps = 0.0;
3967
3968             for( j = 0; j < tkv->ListSize(); j++ )
3969             {
3970                 EbmlElement *l = (*tkv)[j];
3971 //                if( EbmlId( *el4 ) == KaxVideoFlagInterlaced::ClassInfos.GlobalId )
3972 //                {
3973 //                    KaxVideoFlagInterlaced &fint = *(KaxVideoFlagInterlaced*)el4;
3974
3975 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Interlaced=%u", uint8( fint ) );
3976 //                }
3977 //                else if( EbmlId( *el4 ) == KaxVideoStereoMode::ClassInfos.GlobalId )
3978 //                {
3979 //                    KaxVideoStereoMode &stereo = *(KaxVideoStereoMode*)el4;
3980
3981 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Stereo Mode=%u", uint8( stereo ) );
3982 //                }
3983 //                else
3984                 if( MKV_IS_ID( l, KaxVideoPixelWidth ) )
3985                 {
3986                     KaxVideoPixelWidth &vwidth = *(KaxVideoPixelWidth*)l;
3987
3988                     tk->fmt.video.i_width = uint16( vwidth );
3989                     msg_Dbg( &sys.demuxer, "|   |   |   |   + width=%d", uint16( vwidth ) );
3990                 }
3991                 else if( MKV_IS_ID( l, KaxVideoPixelHeight ) )
3992                 {
3993                     KaxVideoPixelWidth &vheight = *(KaxVideoPixelWidth*)l;
3994
3995                     tk->fmt.video.i_height = uint16( vheight );
3996                     msg_Dbg( &sys.demuxer, "|   |   |   |   + height=%d", uint16( vheight ) );
3997                 }
3998                 else if( MKV_IS_ID( l, KaxVideoDisplayWidth ) )
3999                 {
4000                     KaxVideoDisplayWidth &vwidth = *(KaxVideoDisplayWidth*)l;
4001
4002                     tk->fmt.video.i_visible_width = uint16( vwidth );
4003                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display width=%d", uint16( vwidth ) );
4004                 }
4005                 else if( MKV_IS_ID( l, KaxVideoDisplayHeight ) )
4006                 {
4007                     KaxVideoDisplayWidth &vheight = *(KaxVideoDisplayWidth*)l;
4008
4009                     tk->fmt.video.i_visible_height = uint16( vheight );
4010                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display height=%d", uint16( vheight ) );
4011                 }
4012                 else if( MKV_IS_ID( l, KaxVideoFrameRate ) )
4013                 {
4014                     KaxVideoFrameRate &vfps = *(KaxVideoFrameRate*)l;
4015
4016                     tk->f_fps = float( vfps );
4017                     msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( vfps ) );
4018                 }
4019 //                else if( EbmlId( *l ) == KaxVideoDisplayUnit::ClassInfos.GlobalId )
4020 //                {
4021 //                     KaxVideoDisplayUnit &vdmode = *(KaxVideoDisplayUnit*)l;
4022
4023 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Display Unit=%s",
4024 //                             uint8( vdmode ) == 0 ? "pixels" : ( uint8( vdmode ) == 1 ? "centimeters": "inches" ) );
4025 //                }
4026 //                else if( EbmlId( *l ) == KaxVideoAspectRatio::ClassInfos.GlobalId )
4027 //                {
4028 //                    KaxVideoAspectRatio &ratio = *(KaxVideoAspectRatio*)l;
4029
4030 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + Track Video Aspect Ratio Type=%u", uint8( ratio ) );
4031 //                }
4032 //                else if( EbmlId( *l ) == KaxVideoGamma::ClassInfos.GlobalId )
4033 //                {
4034 //                    KaxVideoGamma &gamma = *(KaxVideoGamma*)l;
4035
4036 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( gamma ) );
4037 //                }
4038                 else
4039                 {
4040                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4041                 }
4042             }
4043             if ( tk->fmt.video.i_visible_height && tk->fmt.video.i_visible_width )
4044                 tk->fmt.video.i_aspect = VOUT_ASPECT_FACTOR * tk->fmt.video.i_visible_width / tk->fmt.video.i_visible_height;
4045         }
4046         else  if( MKV_IS_ID( l, KaxTrackAudio ) )
4047         {
4048             EbmlMaster *tka = static_cast<EbmlMaster*>(l);
4049             unsigned int j;
4050
4051             msg_Dbg( &sys.demuxer, "|   |   |   + Track Audio" );
4052
4053             for( j = 0; j < tka->ListSize(); j++ )
4054             {
4055                 EbmlElement *l = (*tka)[j];
4056
4057                 if( MKV_IS_ID( l, KaxAudioSamplingFreq ) )
4058                 {
4059                     KaxAudioSamplingFreq &afreq = *(KaxAudioSamplingFreq*)l;
4060
4061                     tk->fmt.audio.i_rate = (int)float( afreq );
4062                     msg_Dbg( &sys.demuxer, "|   |   |   |   + afreq=%d", tk->fmt.audio.i_rate );
4063                 }
4064                 else if( MKV_IS_ID( l, KaxAudioChannels ) )
4065                 {
4066                     KaxAudioChannels &achan = *(KaxAudioChannels*)l;
4067
4068                     tk->fmt.audio.i_channels = uint8( achan );
4069                     msg_Dbg( &sys.demuxer, "|   |   |   |   + achan=%u", uint8( achan ) );
4070                 }
4071                 else if( MKV_IS_ID( l, KaxAudioBitDepth ) )
4072                 {
4073                     KaxAudioBitDepth &abits = *(KaxAudioBitDepth*)l;
4074
4075                     tk->fmt.audio.i_bitspersample = uint8( abits );
4076                     msg_Dbg( &sys.demuxer, "|   |   |   |   + abits=%u", uint8( abits ) );
4077                 }
4078                 else
4079                 {
4080                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4081                 }
4082             }
4083         }
4084         else
4085         {
4086             msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)",
4087                      typeid(*l).name() );
4088         }
4089     }
4090 }
4091
4092 /*****************************************************************************
4093  * ParseTracks:
4094  *****************************************************************************/
4095 void matroska_segment_c::ParseTracks( KaxTracks *tracks )
4096 {
4097     EbmlElement *el;
4098     unsigned int i;
4099     int i_upper_level = 0;
4100
4101     msg_Dbg( &sys.demuxer, "|   + Tracks" );
4102
4103     /* Master elements */
4104     tracks->Read( es, tracks->Generic().Context, i_upper_level, el, true );
4105
4106     for( i = 0; i < tracks->ListSize(); i++ )
4107     {
4108         EbmlElement *l = (*tracks)[i];
4109
4110         if( MKV_IS_ID( l, KaxTrackEntry ) )
4111         {
4112             ParseTrackEntry( static_cast<KaxTrackEntry *>(l) );
4113         }
4114         else
4115         {
4116             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4117         }
4118     }
4119 }
4120
4121 /*****************************************************************************
4122  * ParseInfo:
4123  *****************************************************************************/
4124 void matroska_segment_c::ParseInfo( KaxInfo *info )
4125 {
4126     EbmlElement *el;
4127     EbmlMaster  *m;
4128     size_t i, j;
4129     int i_upper_level = 0;
4130
4131     msg_Dbg( &sys.demuxer, "|   + Information" );
4132
4133     /* Master elements */
4134     m = static_cast<EbmlMaster *>(info);
4135     m->Read( es, info->Generic().Context, i_upper_level, el, true );
4136
4137     for( i = 0; i < m->ListSize(); i++ )
4138     {
4139         EbmlElement *l = (*m)[i];
4140
4141         if( MKV_IS_ID( l, KaxSegmentUID ) )
4142         {
4143             segment_uid = *(new KaxSegmentUID(*static_cast<KaxSegmentUID*>(l)));
4144
4145             msg_Dbg( &sys.demuxer, "|   |   + UID=%d", *(uint32*)segment_uid.GetBuffer() );
4146         }
4147         else if( MKV_IS_ID( l, KaxPrevUID ) )
4148         {
4149             prev_segment_uid = *(new KaxPrevUID(*static_cast<KaxPrevUID*>(l)));
4150
4151             msg_Dbg( &sys.demuxer, "|   |   + PrevUID=%d", *(uint32*)prev_segment_uid.GetBuffer() );
4152         }
4153         else if( MKV_IS_ID( l, KaxNextUID ) )
4154         {
4155             next_segment_uid = *(new KaxNextUID(*static_cast<KaxNextUID*>(l)));
4156
4157             msg_Dbg( &sys.demuxer, "|   |   + NextUID=%d", *(uint32*)next_segment_uid.GetBuffer() );
4158         }
4159         else if( MKV_IS_ID( l, KaxTimecodeScale ) )
4160         {
4161             KaxTimecodeScale &tcs = *(KaxTimecodeScale*)l;
4162
4163             i_timescale = uint64(tcs);
4164
4165             msg_Dbg( &sys.demuxer, "|   |   + TimecodeScale="I64Fd,
4166                      i_timescale );
4167         }
4168         else if( MKV_IS_ID( l, KaxDuration ) )
4169         {
4170             KaxDuration &dur = *(KaxDuration*)l;
4171
4172             i_duration = mtime_t( double( dur ) );
4173
4174             msg_Dbg( &sys.demuxer, "|   |   + Duration="I64Fd,
4175                      i_duration );
4176         }
4177         else if( MKV_IS_ID( l, KaxMuxingApp ) )
4178         {
4179             KaxMuxingApp &mapp = *(KaxMuxingApp*)l;
4180
4181             psz_muxing_application = UTF8ToStr( UTFstring( mapp ) );
4182
4183             msg_Dbg( &sys.demuxer, "|   |   + Muxing Application=%s",
4184                      psz_muxing_application );
4185         }
4186         else if( MKV_IS_ID( l, KaxWritingApp ) )
4187         {
4188             KaxWritingApp &wapp = *(KaxWritingApp*)l;
4189
4190             psz_writing_application = UTF8ToStr( UTFstring( wapp ) );
4191
4192             msg_Dbg( &sys.demuxer, "|   |   + Writing Application=%s",
4193                      psz_writing_application );
4194         }
4195         else if( MKV_IS_ID( l, KaxSegmentFilename ) )
4196         {
4197             KaxSegmentFilename &sfn = *(KaxSegmentFilename*)l;
4198
4199             psz_segment_filename = UTF8ToStr( UTFstring( sfn ) );
4200
4201             msg_Dbg( &sys.demuxer, "|   |   + Segment Filename=%s",
4202                      psz_segment_filename );
4203         }
4204         else if( MKV_IS_ID( l, KaxTitle ) )
4205         {
4206             KaxTitle &title = *(KaxTitle*)l;
4207
4208             psz_title = UTF8ToStr( UTFstring( title ) );
4209
4210             msg_Dbg( &sys.demuxer, "|   |   + Title=%s", psz_title );
4211         }
4212         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
4213         {
4214             KaxSegmentFamily *uid = static_cast<KaxSegmentFamily*>(l);
4215
4216             families.push_back(*uid);
4217
4218             msg_Dbg( &sys.demuxer, "|   |   + family=%d", *(uint32*)uid->GetBuffer() );
4219         }
4220 #if defined( HAVE_GMTIME_R ) && !defined( SYS_DARWIN )
4221         else if( MKV_IS_ID( l, KaxDateUTC ) )
4222         {
4223             KaxDateUTC &date = *(KaxDateUTC*)l;
4224             time_t i_date;
4225             struct tm tmres;
4226             char   buffer[256];
4227
4228             i_date = date.GetEpochDate();
4229             memset( buffer, 0, 256 );
4230             if( gmtime_r( &i_date, &tmres ) &&
4231                 asctime_r( &tmres, buffer ) )
4232             {
4233                 buffer[strlen( buffer)-1]= '\0';
4234                 psz_date_utc = strdup( buffer );
4235                 msg_Dbg( &sys.demuxer, "|   |   + Date=%s", psz_date_utc );
4236             }
4237         }
4238 #endif
4239 #if LIBMATROSKA_VERSION >= 0x000704
4240         else if( MKV_IS_ID( l, KaxChapterTranslate ) )
4241         {
4242             KaxChapterTranslate *p_trans = static_cast<KaxChapterTranslate*>( l );
4243             chapter_translation_c translated;
4244
4245             p_trans->Read( es, p_trans->Generic().Context, i_upper_level, el, true );
4246             for( j = 0; j < p_trans->ListSize(); j++ )
4247             {
4248                 EbmlElement *l = (*p_trans)[j];
4249
4250                 if( MKV_IS_ID( l, KaxChapterTranslateEditionUID ) )
4251                 {
4252                     translated.editions.push_back( uint64( *static_cast<KaxChapterTranslateEditionUID*>( l ) ) );
4253                 }
4254                 else if( MKV_IS_ID( l, KaxChapterTranslateCodec ) )
4255                 {
4256                     translated.codec_id = uint32( *static_cast<KaxChapterTranslateCodec*>( l ) );
4257                 }
4258                 else if( MKV_IS_ID( l, KaxChapterTranslateID ) )
4259                 {
4260                     translated.translated = *( new KaxChapterTranslateID( *static_cast<KaxChapterTranslateID*>( l ) ) );
4261                 }
4262             }
4263
4264             translations.push_back( translated );
4265         }
4266 #endif
4267         else
4268         {
4269             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4270         }
4271     }
4272
4273     double f_dur = double(i_duration) * double(i_timescale) / 1000000.0;
4274     i_duration = mtime_t(f_dur);
4275 }
4276
4277
4278 /*****************************************************************************
4279  * ParseChapterAtom
4280  *****************************************************************************/
4281 void matroska_segment_c::ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters )
4282 {
4283     size_t i, j;
4284
4285     msg_Dbg( &sys.demuxer, "|   |   |   + ChapterAtom (level=%d)", i_level );
4286     for( i = 0; i < ca->ListSize(); i++ )
4287     {
4288         EbmlElement *l = (*ca)[i];
4289
4290         if( MKV_IS_ID( l, KaxChapterUID ) )
4291         {
4292             chapters.i_uid = uint64_t(*(KaxChapterUID*)l);
4293             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterUID: %lld", chapters.i_uid );
4294         }
4295         else if( MKV_IS_ID( l, KaxChapterFlagHidden ) )
4296         {
4297             KaxChapterFlagHidden &flag =*(KaxChapterFlagHidden*)l;
4298             chapters.b_display_seekpoint = uint8( flag ) == 0;
4299
4300             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterFlagHidden: %s", chapters.b_display_seekpoint ? "no":"yes" );
4301         }
4302         else if( MKV_IS_ID( l, KaxChapterTimeStart ) )
4303         {
4304             KaxChapterTimeStart &start =*(KaxChapterTimeStart*)l;
4305             chapters.i_start_time = uint64( start ) / I64C(1000);
4306
4307             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeStart: %lld", chapters.i_start_time );
4308         }
4309         else if( MKV_IS_ID( l, KaxChapterTimeEnd ) )
4310         {
4311             KaxChapterTimeEnd &end =*(KaxChapterTimeEnd*)l;
4312             chapters.i_end_time = uint64( end ) / I64C(1000);
4313
4314             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeEnd: %lld", chapters.i_end_time );
4315         }
4316         else if( MKV_IS_ID( l, KaxChapterDisplay ) )
4317         {
4318             EbmlMaster *cd = static_cast<EbmlMaster *>(l);
4319
4320             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterDisplay" );
4321             for( j = 0; j < cd->ListSize(); j++ )
4322             {
4323                 EbmlElement *l= (*cd)[j];
4324
4325                 if( MKV_IS_ID( l, KaxChapterString ) )
4326                 {
4327                     int k;
4328
4329                     KaxChapterString &name =*(KaxChapterString*)l;
4330                     for (k = 0; k < i_level; k++)
4331                         chapters.psz_name += '+';
4332                     chapters.psz_name += ' ';
4333                     chapters.psz_name += UTF8ToStr( UTFstring( name ) );
4334                     chapters.b_user_display = true;
4335
4336                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterString '%s'", UTF8ToStr(UTFstring(name)) );
4337                 }
4338                 else if( MKV_IS_ID( l, KaxChapterLanguage ) )
4339                 {
4340                     KaxChapterLanguage &lang =*(KaxChapterLanguage*)l;
4341                     const char *psz = string( lang ).c_str();
4342
4343                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterLanguage '%s'", psz );
4344                 }
4345                 else if( MKV_IS_ID( l, KaxChapterCountry ) )
4346                 {
4347                     KaxChapterCountry &ct =*(KaxChapterCountry*)l;
4348                     const char *psz = string( ct ).c_str();
4349
4350                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterCountry '%s'", psz );
4351                 }
4352             }
4353         }
4354         else if( MKV_IS_ID( l, KaxChapterProcess ) )
4355         {
4356             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterProcess" );
4357
4358             KaxChapterProcess *cp = static_cast<KaxChapterProcess *>(l);
4359             chapter_codec_cmds_c *p_ccodec = NULL;
4360
4361             for( j = 0; j < cp->ListSize(); j++ )
4362             {
4363                 EbmlElement *k= (*cp)[j];
4364
4365                 if( MKV_IS_ID( k, KaxChapterProcessCodecID ) )
4366                 {
4367                     KaxChapterProcessCodecID *p_codec_id = static_cast<KaxChapterProcessCodecID*>( k );
4368                     if ( uint32(*p_codec_id) == 0 )
4369                         p_ccodec = new matroska_script_codec_c( sys );
4370                     else if ( uint32(*p_codec_id) == 1 )
4371                         p_ccodec = new dvd_chapter_codec_c( sys );
4372                     break;
4373                 }
4374             }
4375
4376             if ( p_ccodec != NULL )
4377             {
4378                 for( j = 0; j < cp->ListSize(); j++ )
4379                 {
4380                     EbmlElement *k= (*cp)[j];
4381
4382                     if( MKV_IS_ID( k, KaxChapterProcessPrivate ) )
4383                     {
4384                         KaxChapterProcessPrivate * p_private = static_cast<KaxChapterProcessPrivate*>( k );
4385                         p_ccodec->SetPrivate( *p_private );
4386                     }
4387                     else if( MKV_IS_ID( k, KaxChapterProcessCommand ) )
4388                     {
4389                         p_ccodec->AddCommand( *static_cast<KaxChapterProcessCommand*>( k ) );
4390                     }
4391                 }
4392                 chapters.codecs.push_back( p_ccodec );
4393             }
4394         }
4395         else if( MKV_IS_ID( l, KaxChapterAtom ) )
4396         {
4397             chapter_item_c *new_sub_chapter = new chapter_item_c();
4398             ParseChapterAtom( i_level+1, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4399             new_sub_chapter->psz_parent = &chapters;
4400             chapters.sub_chapters.push_back( new_sub_chapter );
4401         }
4402     }
4403 }
4404
4405 /*****************************************************************************
4406  * ParseChapters:
4407  *****************************************************************************/
4408 void matroska_segment_c::ParseChapters( KaxChapters *chapters )
4409 {
4410     EbmlElement *el;
4411     size_t i;
4412     int i_upper_level = 0;
4413     mtime_t i_dur;
4414
4415     /* Master elements */
4416     chapters->Read( es, chapters->Generic().Context, i_upper_level, el, true );
4417
4418     for( i = 0; i < chapters->ListSize(); i++ )
4419     {
4420         EbmlElement *l = (*chapters)[i];
4421
4422         if( MKV_IS_ID( l, KaxEditionEntry ) )
4423         {
4424             chapter_edition_c *p_edition = new chapter_edition_c();
4425
4426             EbmlMaster *E = static_cast<EbmlMaster *>(l );
4427             size_t j;
4428             msg_Dbg( &sys.demuxer, "|   |   + EditionEntry" );
4429             for( j = 0; j < E->ListSize(); j++ )
4430             {
4431                 EbmlElement *l = (*E)[j];
4432
4433                 if( MKV_IS_ID( l, KaxChapterAtom ) )
4434                 {
4435                     chapter_item_c *new_sub_chapter = new chapter_item_c();
4436                     ParseChapterAtom( 0, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4437                     p_edition->sub_chapters.push_back( new_sub_chapter );
4438                 }
4439                 else if( MKV_IS_ID( l, KaxEditionUID ) )
4440                 {
4441                     p_edition->i_uid = uint64(*static_cast<KaxEditionUID *>( l ));
4442                 }
4443                 else if( MKV_IS_ID( l, KaxEditionFlagOrdered ) )
4444                 {
4445                     p_edition->b_ordered = config_GetInt( &sys.demuxer, "mkv-use-ordered-chapters" ) ? (uint8(*static_cast<KaxEditionFlagOrdered *>( l )) != 0) : 0;
4446                 }
4447                 else if( MKV_IS_ID( l, KaxEditionFlagDefault ) )
4448                 {
4449                     if (uint8(*static_cast<KaxEditionFlagDefault *>( l )) != 0)
4450                         i_default_edition = stored_editions.size();
4451                 }
4452                 else
4453                 {
4454                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
4455                 }
4456             }
4457             stored_editions.push_back( p_edition );
4458         }
4459         else
4460         {
4461             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4462         }
4463     }
4464
4465     for( i = 0; i < stored_editions.size(); i++ )
4466     {
4467         stored_editions[i]->RefreshChapters( );
4468     }
4469
4470     if ( stored_editions[i_default_edition]->b_ordered )
4471     {
4472         /* update the duration of the segment according to the sum of all sub chapters */
4473         i_dur = stored_editions[i_default_edition]->Duration() / I64C(1000);
4474         if (i_dur > 0)
4475             i_duration = i_dur;
4476     }
4477 }
4478
4479 void matroska_segment_c::ParseCluster( )
4480 {
4481     EbmlElement *el;
4482     EbmlMaster  *m;
4483     unsigned int i;
4484     int i_upper_level = 0;
4485
4486     /* Master elements */
4487     m = static_cast<EbmlMaster *>( cluster );
4488     m->Read( es, cluster->Generic().Context, i_upper_level, el, true );
4489
4490     for( i = 0; i < m->ListSize(); i++ )
4491     {
4492         EbmlElement *l = (*m)[i];
4493
4494         if( MKV_IS_ID( l, KaxClusterTimecode ) )
4495         {
4496             KaxClusterTimecode &ctc = *(KaxClusterTimecode*)l;
4497
4498             cluster->InitTimecode( uint64( ctc ), i_timescale );
4499             break;
4500         }
4501     }
4502
4503     i_start_time = cluster->GlobalTimecode() / 1000;
4504 }
4505
4506 /*****************************************************************************
4507  * InformationCreate:
4508  *****************************************************************************/
4509 void matroska_segment_c::InformationCreate( )
4510 {
4511     size_t      i_track;
4512
4513     sys.meta = vlc_meta_New();
4514
4515     if( psz_title )
4516     {
4517         vlc_meta_Add( sys.meta, VLC_META_TITLE, psz_title );
4518     }
4519     if( psz_date_utc )
4520     {
4521         vlc_meta_Add( sys.meta, VLC_META_DATE, psz_date_utc );
4522     }
4523     if( psz_segment_filename )
4524     {
4525         vlc_meta_Add( sys.meta, _("Segment filename"), psz_segment_filename );
4526     }
4527     if( psz_muxing_application )
4528     {
4529         vlc_meta_Add( sys.meta, _("Muxing application"), psz_muxing_application );
4530     }
4531     if( psz_writing_application )
4532     {
4533         vlc_meta_Add( sys.meta, _("Writing application"), psz_writing_application );
4534     }
4535
4536     for( i_track = 0; i_track < tracks.size(); i_track++ )
4537     {
4538         mkv_track_t *tk = tracks[i_track];
4539         vlc_meta_t *mtk = vlc_meta_New();
4540
4541         sys.meta->track = (vlc_meta_t**)realloc( sys.meta->track,
4542                                                     sizeof( vlc_meta_t * ) * ( sys.meta->i_track + 1 ) );
4543         sys.meta->track[sys.meta->i_track++] = mtk;
4544
4545         if( tk->fmt.psz_description )
4546         {
4547             vlc_meta_Add( sys.meta, VLC_META_DESCRIPTION, tk->fmt.psz_description );
4548         }
4549         if( tk->psz_codec_name )
4550         {
4551             vlc_meta_Add( sys.meta, VLC_META_CODEC_NAME, tk->psz_codec_name );
4552         }
4553         if( tk->psz_codec_settings )
4554         {
4555             vlc_meta_Add( sys.meta, VLC_META_SETTING, tk->psz_codec_settings );
4556         }
4557         if( tk->psz_codec_info_url )
4558         {
4559             vlc_meta_Add( sys.meta, VLC_META_CODEC_DESCRIPTION, tk->psz_codec_info_url );
4560         }
4561         if( tk->psz_codec_download_url )
4562         {
4563             vlc_meta_Add( sys.meta, VLC_META_URL, tk->psz_codec_download_url );
4564         }
4565     }
4566
4567     if( i_tags_position >= 0 )
4568     {
4569         vlc_bool_t b_seekable;
4570
4571         stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
4572         if( b_seekable )
4573         {
4574             LoadTags( );
4575         }
4576     }
4577 }
4578
4579
4580 /*****************************************************************************
4581  * Divers
4582  *****************************************************************************/
4583
4584 void matroska_segment_c::IndexAppendCluster( KaxCluster *cluster )
4585 {
4586 #define idx index[i_index]
4587     idx.i_track       = -1;
4588     idx.i_block_number= -1;
4589     idx.i_position    = cluster->GetElementPosition();
4590     idx.i_time        = -1;
4591     idx.b_key         = VLC_TRUE;
4592
4593     i_index++;
4594     if( i_index >= i_index_max )
4595     {
4596         i_index_max += 1024;
4597         index = (mkv_index_t*)realloc( index, sizeof( mkv_index_t ) * i_index_max );
4598     }
4599 #undef idx
4600 }
4601
4602 static char * UTF8ToStr( const UTFstring &u )
4603 {
4604     int     i_src;
4605     const wchar_t *src;
4606     char *dst, *p;
4607
4608     i_src = u.length();
4609     src   = u.c_str();
4610
4611     p = dst = (char*)malloc( i_src + 1);
4612     while( i_src > 0 )
4613     {
4614         if( *src < 255 )
4615         {
4616             *p++ = (char)*src;
4617         }
4618         else
4619         {
4620             *p++ = '?';
4621         }
4622         src++;
4623         i_src--;
4624     }
4625     *p++= '\0';
4626
4627     return dst;
4628 }
4629
4630 void chapter_edition_c::RefreshChapters( )
4631 {
4632     chapter_item_c::RefreshChapters( b_ordered, -1 );
4633     b_display_seekpoint = false;
4634 }
4635
4636 int64_t chapter_item_c::RefreshChapters( bool b_ordered, int64_t i_prev_user_time )
4637 {
4638     int64_t i_user_time = i_prev_user_time;
4639
4640     // first the sub-chapters, and then ourself
4641     std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
4642     while ( index != sub_chapters.end() )
4643     {
4644         i_user_time = (*index)->RefreshChapters( b_ordered, i_user_time );
4645         index++;
4646     }
4647
4648     if ( b_ordered )
4649     {
4650         // the ordered chapters always start at zero
4651         if ( i_prev_user_time == -1 )
4652         {
4653             if ( i_user_time == -1 )
4654                 i_user_time = 0;
4655             i_prev_user_time = 0;
4656         }
4657
4658         i_user_start_time = i_prev_user_time;
4659         if ( i_end_time != -1 && i_user_time == i_prev_user_time )
4660         {
4661             i_user_end_time = i_user_start_time - i_start_time + i_end_time;
4662         }
4663         else
4664         {
4665             i_user_end_time = i_user_time;
4666         }
4667     }
4668     else
4669     {
4670         std::sort( sub_chapters.begin(), sub_chapters.end() );
4671         i_user_start_time = i_start_time;
4672         if ( i_end_time != -1 )
4673             i_user_end_time = i_end_time;
4674         else if ( i_user_time != -1 )
4675             i_user_end_time = i_user_time;
4676         else
4677             i_user_end_time = i_user_start_time;
4678     }
4679
4680     return i_user_end_time;
4681 }
4682
4683 mtime_t chapter_edition_c::Duration() const
4684 {
4685     mtime_t i_result = 0;
4686
4687     if ( sub_chapters.size() )
4688     {
4689         std::vector<chapter_item_c*>::const_iterator index = sub_chapters.end();
4690         index--;
4691         i_result = (*index)->i_user_end_time;
4692     }
4693
4694     return i_result;
4695 }
4696
4697 chapter_item_c *chapter_item_c::FindTimecode( mtime_t i_user_timecode )
4698 {
4699     chapter_item_c *psz_result = NULL;
4700
4701     if ( i_user_timecode >= i_user_start_time &&
4702         ( i_user_timecode < i_user_end_time ||
4703           ( i_user_start_time == i_user_end_time && i_user_timecode == i_user_end_time )))
4704     {
4705         std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
4706         while ( index != sub_chapters.end() && psz_result == NULL )
4707         {
4708             psz_result = (*index)->FindTimecode( i_user_timecode );
4709             index++;
4710         }
4711
4712         if ( psz_result == NULL )
4713             psz_result = this;
4714     }
4715
4716     return psz_result;
4717 }
4718
4719 bool chapter_item_c::ParentOf( const chapter_item_c & item ) const
4720 {
4721     if ( &item == this )
4722         return true;
4723
4724     std::vector<chapter_item_c*>::const_iterator index = sub_chapters.begin();
4725     while ( index != sub_chapters.end() )
4726     {
4727         if ( (*index)->ParentOf( item ) )
4728             return true;
4729         index++;
4730     }
4731
4732     return false;
4733 }
4734
4735 void demux_sys_t::PreloadFamily( const matroska_segment_c & of_segment )
4736 {
4737     for (size_t i=0; i<opened_segments.size(); i++)
4738     {
4739         opened_segments[i]->PreloadFamily( of_segment );
4740     }
4741 }
4742 bool matroska_segment_c::PreloadFamily( const matroska_segment_c & of_segment )
4743 {
4744     if ( b_preloaded )
4745         return false;
4746
4747     for (size_t i=0; i<families.size(); i++)
4748     {
4749         for (size_t j=0; j<of_segment.families.size(); j++)
4750         {
4751             if ( families[i] == of_segment.families[j] )
4752                 return Preload( );
4753         }
4754     }
4755
4756     return false;
4757 }
4758
4759 // preload all the linked segments for all preloaded segments
4760 void demux_sys_t::PreloadLinked( matroska_segment_c *p_segment )
4761 {
4762     size_t i_preloaded, i, j;
4763     virtual_segment_c *p_seg;
4764
4765     p_current_segment = VirtualFromSegments( p_segment );
4766
4767     used_segments.push_back( p_current_segment );
4768
4769     // create all the other virtual segments of the family
4770     do {
4771         i_preloaded = 0;
4772         for ( i=0; i< opened_segments.size(); i++ )
4773         {
4774             if ( opened_segments[i]->b_preloaded && !IsUsedSegment( *opened_segments[i] ) )
4775             {
4776                 p_seg = VirtualFromSegments( opened_segments[i] );
4777                 used_segments.push_back( p_seg );
4778                 i_preloaded++;
4779             }
4780         }
4781     } while ( i_preloaded ); // worst case: will stop when all segments are found as family related
4782
4783     // publish all editions of all usable segment
4784     for ( i=0; i< used_segments.size(); i++ )
4785     {
4786         p_seg = used_segments[i];
4787         if ( p_seg->p_editions != NULL )
4788         {
4789             std::string sz_name;
4790             input_title_t *p_title = vlc_input_title_New();
4791             p_seg->i_sys_title = i;
4792             int i_chapters;
4793
4794             // TODO use a name for each edition, let the TITLE deal with a codec name
4795             for ( j=0; j<p_seg->p_editions->size(); j++ )
4796             {
4797                 if ( p_title->psz_name == NULL )
4798                 {
4799                     sz_name = (*p_seg->p_editions)[j]->GetMainName();
4800                     if ( sz_name != "" )
4801                         p_title->psz_name = strdup( sz_name.c_str() );
4802                 }
4803
4804                 chapter_edition_c *p_edition = (*p_seg->p_editions)[j];
4805
4806                 i_chapters = 0;
4807                 p_edition->PublishChapters( *p_title, i_chapters, 0 );
4808             }
4809
4810             // create a name if there is none
4811             if ( p_title->psz_name == NULL )
4812             {
4813                 sz_name = N_("Segment ");
4814                 char psz_str[6];
4815                 sprintf( psz_str, "%d", i );
4816                 sz_name += psz_str;
4817                 p_title->psz_name = strdup( sz_name.c_str() );
4818             }
4819
4820             titles.push_back( *p_title );
4821         }
4822     }
4823
4824     // TODO decide which segment should be first used (VMG for DVD)
4825 }
4826
4827 bool demux_sys_t::IsUsedSegment( matroska_segment_c &segment ) const
4828 {
4829     for ( size_t i=0; i< used_segments.size(); i++ )
4830     {
4831         if ( used_segments[i]->FindUID( segment.segment_uid ) )
4832             return true;
4833     }
4834     return false;
4835 }
4836
4837 virtual_segment_c *demux_sys_t::VirtualFromSegments( matroska_segment_c *p_segment ) const
4838 {
4839     size_t i_preloaded, i;
4840
4841     virtual_segment_c *p_result = new virtual_segment_c( p_segment );
4842
4843     // fill our current virtual segment with all hard linked segments
4844     do {
4845         i_preloaded = 0;
4846         for ( i=0; i< opened_segments.size(); i++ )
4847         {
4848             i_preloaded += p_result->AddSegment( opened_segments[i] );
4849         }
4850     } while ( i_preloaded ); // worst case: will stop when all segments are found as linked
4851
4852     p_result->Sort( );
4853
4854     p_result->PreloadLinked( );
4855
4856     p_result->PrepareChapters( );
4857
4858     return p_result;
4859 }
4860
4861 bool demux_sys_t::PreparePlayback( virtual_segment_c *p_new_segment )
4862 {
4863     if ( p_new_segment != NULL && p_new_segment != p_current_segment )
4864     {
4865         if ( p_current_segment != NULL && p_current_segment->Segment() != NULL )
4866             p_current_segment->Segment()->UnSelect();
4867
4868         p_current_segment = p_new_segment;
4869         i_current_title = p_new_segment->i_sys_title;
4870     }
4871
4872     p_current_segment->LoadCues();
4873     f_duration = p_current_segment->Duration();
4874
4875     /* add information */
4876     p_current_segment->Segment()->InformationCreate( );
4877
4878     p_current_segment->Segment()->Select( 0 );
4879
4880     return true;
4881 }
4882
4883 bool matroska_segment_c::CompareSegmentUIDs( const matroska_segment_c * p_item_a, const matroska_segment_c * p_item_b )
4884 {
4885     EbmlBinary * p_itema = (EbmlBinary *)(&p_item_a->segment_uid);
4886     if ( *p_itema == p_item_b->prev_segment_uid )
4887         return true;
4888
4889     p_itema = (EbmlBinary *)(&p_item_a->next_segment_uid);
4890     if ( *p_itema == p_item_b->segment_uid )
4891         return true;
4892
4893     if ( *p_itema == p_item_b->prev_segment_uid )
4894         return true;
4895
4896     return false;
4897 }
4898
4899 bool matroska_segment_c::Preload( )
4900 {
4901     if ( b_preloaded )
4902         return false;
4903
4904     EbmlElement *el = NULL;
4905
4906     ep->Reset( &sys.demuxer );
4907
4908     while( ( el = ep->Get() ) != NULL )
4909     {
4910         if( MKV_IS_ID( el, KaxInfo ) )
4911         {
4912             ParseInfo( static_cast<KaxInfo*>( el ) );
4913         }
4914         else if( MKV_IS_ID( el, KaxTracks ) )
4915         {
4916             ParseTracks( static_cast<KaxTracks*>( el ) );
4917         }
4918         else if( MKV_IS_ID( el, KaxSeekHead ) )
4919         {
4920             ParseSeekHead( static_cast<KaxSeekHead*>( el ) );
4921         }
4922         else if( MKV_IS_ID( el, KaxCues ) )
4923         {
4924             msg_Dbg( &sys.demuxer, "|   + Cues" );
4925         }
4926         else if( MKV_IS_ID( el, KaxCluster ) )
4927         {
4928             msg_Dbg( &sys.demuxer, "|   + Cluster" );
4929
4930             cluster = (KaxCluster*)el;
4931
4932             i_start_pos = cluster->GetElementPosition();
4933             ParseCluster( );
4934
4935             ep->Down();
4936             /* stop parsing the stream */
4937             break;
4938         }
4939         else if( MKV_IS_ID( el, KaxAttachments ) )
4940         {
4941             msg_Dbg( &sys.demuxer, "|   + Attachments FIXME (but probably never supported)" );
4942         }
4943         else if( MKV_IS_ID( el, KaxChapters ) )
4944         {
4945             msg_Dbg( &sys.demuxer, "|   + Chapters" );
4946             ParseChapters( static_cast<KaxChapters*>( el ) );
4947         }
4948         else if( MKV_IS_ID( el, KaxTag ) )
4949         {
4950             msg_Dbg( &sys.demuxer, "|   + Tags FIXME TODO" );
4951         }
4952         else
4953         {
4954             msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid(*el).name() );
4955         }
4956     }
4957
4958     b_preloaded = true;
4959
4960     return true;
4961 }
4962
4963 matroska_segment_c *demux_sys_t::FindSegment( const EbmlBinary & uid ) const
4964 {
4965     for (size_t i=0; i<opened_segments.size(); i++)
4966     {
4967         if ( opened_segments[i]->segment_uid == uid )
4968             return opened_segments[i];
4969     }
4970     return NULL;
4971 }
4972
4973 chapter_item_c *demux_sys_t::BrowseCodecPrivate( unsigned int codec_id,
4974                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
4975                                         const void *p_cookie,
4976                                         size_t i_cookie_size,
4977                                         virtual_segment_c * &p_segment_found )
4978 {
4979     chapter_item_c *p_result = NULL;
4980     for (size_t i=0; i<used_segments.size(); i++)
4981     {
4982         p_result = used_segments[i]->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
4983         if ( p_result != NULL )
4984         {
4985             p_segment_found = used_segments[i];
4986             break;
4987         }
4988     }
4989     return p_result;
4990 }
4991
4992 chapter_item_c *demux_sys_t::FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found )
4993 {
4994     chapter_item_c *p_result = NULL;
4995     for (size_t i=0; i<used_segments.size(); i++)
4996     {
4997         p_result = used_segments[i]->FindChapter( i_find_uid );
4998         if ( p_result != NULL )
4999         {
5000             p_segment_found = used_segments[i];
5001             break;
5002         }
5003     }
5004     return p_result;
5005 }
5006
5007 void virtual_segment_c::Sort()
5008 {
5009     // keep the current segment index
5010     matroska_segment_c *p_segment = linked_segments[i_current_segment];
5011
5012     std::sort( linked_segments.begin(), linked_segments.end(), matroska_segment_c::CompareSegmentUIDs );
5013
5014     for ( i_current_segment=0; i_current_segment<linked_segments.size(); i_current_segment++)
5015         if ( linked_segments[i_current_segment] == p_segment )
5016             break;
5017 }
5018
5019 size_t virtual_segment_c::AddSegment( matroska_segment_c *p_segment )
5020 {
5021     size_t i;
5022     // check if it's not already in here
5023     for ( i=0; i<linked_segments.size(); i++ )
5024     {
5025         if ( p_segment->segment_uid == linked_segments[i]->segment_uid )
5026             return 0;
5027     }
5028
5029     // find possible mates
5030     for ( i=0; i<linked_uids.size(); i++ )
5031     {
5032         if (   p_segment->segment_uid == linked_uids[i]
5033             || p_segment->prev_segment_uid == linked_uids[i]
5034             || p_segment->next_segment_uid == linked_uids[i] )
5035         {
5036             linked_segments.push_back( p_segment );
5037
5038             AppendUID( p_segment->prev_segment_uid );
5039             AppendUID( p_segment->next_segment_uid );
5040
5041             return 1;
5042         }
5043     }
5044     return 0;
5045 }
5046
5047 void virtual_segment_c::PreloadLinked( )
5048 {
5049     for ( size_t i=0; i<linked_segments.size(); i++ )
5050     {
5051         linked_segments[i]->Preload( );
5052     }
5053     i_current_edition = linked_segments[0]->i_default_edition;
5054 }
5055
5056 mtime_t virtual_segment_c::Duration() const
5057 {
5058     mtime_t i_duration;
5059     if ( linked_segments.size() == 0 )
5060         i_duration = 0;
5061     else {
5062         matroska_segment_c *p_last_segment = linked_segments[linked_segments.size()-1];
5063 //        p_last_segment->ParseCluster( );
5064
5065         i_duration = p_last_segment->i_start_time / 1000 + p_last_segment->i_duration;
5066     }
5067     return i_duration;
5068 }
5069
5070 void virtual_segment_c::LoadCues( )
5071 {
5072     for ( size_t i=0; i<linked_segments.size(); i++ )
5073     {
5074         linked_segments[i]->LoadCues();
5075     }
5076 }
5077
5078 void virtual_segment_c::AppendUID( const EbmlBinary & UID )
5079 {
5080     if ( UID.GetBuffer() == NULL )
5081         return;
5082
5083     for (size_t i=0; i<linked_uids.size(); i++)
5084     {
5085         if ( UID == linked_uids[i] )
5086             return;
5087     }
5088     linked_uids.push_back( *(KaxSegmentUID*)(&UID) );
5089 }
5090
5091 void matroska_segment_c::Seek( mtime_t i_date, mtime_t i_time_offset )
5092 {
5093     KaxBlock    *block;
5094     int         i_track_skipping;
5095     int64_t     i_block_duration;
5096     int64_t     i_block_ref1;
5097     int64_t     i_block_ref2;
5098     size_t      i_track;
5099     int64_t     i_seek_position = i_start_pos;
5100     int64_t     i_seek_time = i_start_time;
5101
5102     if ( i_index > 0 )
5103     {
5104         int i_idx = 0;
5105
5106         for( ; i_idx < i_index; i_idx++ )
5107         {
5108             if( index[i_idx].i_time + i_time_offset > i_date )
5109             {
5110                 break;
5111             }
5112         }
5113
5114         if( i_idx > 0 )
5115         {
5116             i_idx--;
5117         }
5118
5119         i_seek_position = index[i_idx].i_position;
5120         i_seek_time = index[i_idx].i_time;
5121     }
5122
5123     msg_Dbg( &sys.demuxer, "seek got "I64Fd" (%d%%)",
5124                 i_seek_time, (int)( 100 * i_seek_position / stream_Size( sys.demuxer.s ) ) );
5125
5126     es.I_O().setFilePointer( i_seek_position, seek_beginning );
5127
5128     delete ep;
5129     ep = new EbmlParser( &es, segment, &sys.demuxer );
5130     cluster = NULL;
5131
5132     sys.i_start_pts = i_date;
5133
5134     es_out_Control( sys.demuxer.out, ES_OUT_RESET_PCR );
5135
5136     /* now parse until key frame */
5137     i_track_skipping = 0;
5138     for( i_track = 0; i_track < tracks.size(); i_track++ )
5139     {
5140         if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5141         {
5142             tracks[i_track]->b_search_keyframe = VLC_TRUE;
5143             i_track_skipping++;
5144         }
5145         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_date );
5146     }
5147
5148
5149     while( i_track_skipping > 0 )
5150     {
5151         if( BlockGet( &block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
5152         {
5153             msg_Warn( &sys.demuxer, "cannot get block EOF?" );
5154
5155             return;
5156         }
5157
5158         for( i_track = 0; i_track < tracks.size(); i_track++ )
5159         {
5160             if( tracks[i_track]->i_number == block->TrackNum() )
5161             {
5162                 break;
5163             }
5164         }
5165
5166         sys.i_pts = sys.i_chapter_time + block->GlobalTimecode() / (mtime_t) 1000;
5167
5168         if( i_track < tracks.size() )
5169         {
5170             if( sys.i_pts >= sys.i_start_pts )
5171             {
5172                 BlockDecode( &sys.demuxer, block, sys.i_pts, 0 );
5173                 i_track_skipping = 0;
5174             }
5175             else if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5176             {
5177                 if( i_block_ref1 == -1 && tracks[i_track]->b_search_keyframe )
5178                 {
5179                     tracks[i_track]->b_search_keyframe = VLC_FALSE;
5180                     i_track_skipping--;
5181                 }
5182                 if( !tracks[i_track]->b_search_keyframe )
5183                 {
5184                     BlockDecode( &sys.demuxer, block, sys.i_pts, 0 );
5185                 }
5186             }
5187         }
5188
5189         delete block;
5190     }
5191 }
5192
5193 void virtual_segment_c::Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter )
5194 {
5195     demux_sys_t *p_sys = demuxer.p_sys;
5196     size_t i;
5197
5198     // find the actual time for an ordered edition
5199     if ( psz_chapter == NULL )
5200     {
5201         if ( Edition() && Edition()->b_ordered )
5202         {
5203             /* 1st, we need to know in which chapter we are */
5204             psz_chapter = (*p_editions)[i_current_edition]->FindTimecode( i_date );
5205         }
5206     }
5207
5208     if ( psz_chapter != NULL )
5209     {
5210         psz_current_chapter = psz_chapter;
5211         p_sys->i_chapter_time = i_time_offset = psz_chapter->i_user_start_time - psz_chapter->i_start_time;
5212         if ( psz_chapter->i_seekpoint_num > 0 )
5213         {
5214             demuxer.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
5215             demuxer.info.i_title = p_sys->i_current_title = i_sys_title;
5216             demuxer.info.i_seekpoint = psz_chapter->i_seekpoint_num - 1;
5217         }
5218     }
5219
5220     // find the best matching segment
5221     for ( i=0; i<linked_segments.size(); i++ )
5222     {
5223         if ( i_date < linked_segments[i]->i_start_time )
5224             break;
5225     }
5226
5227     if ( i > 0 )
5228         i--;
5229
5230     if ( i_current_segment != i  )
5231     {
5232         linked_segments[i_current_segment]->UnSelect();
5233         linked_segments[i]->Select( i_date );
5234         i_current_segment = i;
5235     }
5236
5237     linked_segments[i]->Seek( i_date, i_time_offset );
5238 }
5239
5240 void chapter_codec_cmds_c::AddCommand( const KaxChapterProcessCommand & command )
5241 {
5242     size_t i;
5243
5244     uint32 codec_time = uint32(-1);
5245     for( i = 0; i < command.ListSize(); i++ )
5246     {
5247         const EbmlElement *k = command[i];
5248
5249         if( MKV_IS_ID( k, KaxChapterProcessTime ) )
5250         {
5251             codec_time = uint32( *static_cast<const KaxChapterProcessTime*>( k ) );
5252             break;
5253         }
5254     }
5255
5256     for( i = 0; i < command.ListSize(); i++ )
5257     {
5258         const EbmlElement *k = command[i];
5259
5260         if( MKV_IS_ID( k, KaxChapterProcessData ) )
5261         {
5262             KaxChapterProcessData *p_data =  new KaxChapterProcessData( *static_cast<const KaxChapterProcessData*>( k ) );
5263             switch ( codec_time )
5264             {
5265             case 0:
5266                 during_cmds.push_back( *p_data );
5267                 break;
5268             case 1:
5269                 enter_cmds.push_back( *p_data );
5270                 break;
5271             case 2:
5272                 leave_cmds.push_back( *p_data );
5273                 break;
5274             default:
5275                 delete p_data;
5276             }
5277         }
5278     }
5279 }
5280
5281 bool chapter_item_c::Enter( bool b_do_subs )
5282 {
5283     bool f_result = false;
5284     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5285     while ( index != codecs.end() )
5286     {
5287         f_result |= (*index)->Enter();
5288         index++;
5289     }
5290
5291     if ( b_do_subs )
5292     {
5293         // sub chapters
5294         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5295         while ( index_ != sub_chapters.end() )
5296         {
5297             f_result |= (*index_)->Enter( true );
5298             index_++;
5299         }
5300     }
5301     return f_result;
5302 }
5303
5304 bool chapter_item_c::Leave( bool b_do_subs )
5305 {
5306     bool f_result = false;
5307     b_is_leaving = true;
5308     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5309     while ( index != codecs.end() )
5310     {
5311         f_result |= (*index)->Leave();
5312         index++;
5313     }
5314
5315     if ( b_do_subs )
5316     {
5317         // sub chapters
5318         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5319         while ( index_ != sub_chapters.end() )
5320         {
5321             f_result |= (*index_)->Leave( true );
5322             index_++;
5323         }
5324     }
5325     b_is_leaving = false;
5326     return f_result;
5327 }
5328
5329 bool chapter_item_c::EnterAndLeave( chapter_item_c *p_item )
5330 {
5331     chapter_item_c *p_common_parent = p_item;
5332
5333     // leave, up to a common parent
5334     while ( p_common_parent != NULL && !p_common_parent->ParentOf( *this ) )
5335     {
5336         if ( !p_common_parent->b_is_leaving && p_common_parent->Leave( false ) )
5337             return true;
5338         p_common_parent = p_common_parent->psz_parent;
5339     }
5340
5341     // enter from the parent to <this>
5342     if ( p_common_parent != NULL )
5343     {
5344         do
5345         {
5346             if ( p_common_parent == this )
5347                 return Enter( true );
5348
5349             for ( size_t i = 0; i<p_common_parent->sub_chapters.size(); i++ )
5350             {
5351                 if ( p_common_parent->sub_chapters[i]->ParentOf( *this ) )
5352                 {
5353                     p_common_parent = p_common_parent->sub_chapters[i];
5354                     if ( p_common_parent != this )
5355                         if ( p_common_parent->Enter( false ) )
5356                             return true;
5357
5358                     break;
5359                 }
5360             }
5361         } while ( 1 );
5362     }
5363
5364     return Enter( true );
5365 }
5366
5367 bool dvd_chapter_codec_c::Enter()
5368 {
5369     bool f_result = false;
5370     std::vector<KaxChapterProcessData>::iterator index = enter_cmds.begin();
5371     while ( index != enter_cmds.end() )
5372     {
5373         if ( (*index).GetSize() )
5374         {
5375             binary *p_data = (*index).GetBuffer();
5376             size_t i_size = *p_data++;
5377             // avoid reading too much from the buffer
5378             i_size = min( i_size, ((*index).GetSize() - 1) >> 3 );
5379             for ( ; i_size > 0; i_size--, p_data += 8 )
5380             {
5381                 msg_Dbg( &sys.demuxer, "Matroska DVD enter command" );
5382                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5383             }
5384         }
5385         index++;
5386     }
5387     return f_result;
5388 }
5389
5390 bool dvd_chapter_codec_c::Leave()
5391 {
5392     bool f_result = false;
5393     std::vector<KaxChapterProcessData>::iterator index = leave_cmds.begin();
5394     while ( index != leave_cmds.end() )
5395     {
5396         if ( (*index).GetSize() )
5397         {
5398             binary *p_data = (*index).GetBuffer();
5399             size_t i_size = *p_data++;
5400             // avoid reading too much from the buffer
5401             i_size = min( i_size, ((*index).GetSize() - 1) >> 3 );
5402             for ( ; i_size > 0; i_size--, p_data += 8 )
5403             {
5404                 msg_Dbg( &sys.demuxer, "Matroska DVD leave command" );
5405                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5406             }
5407         }
5408         index++;
5409     }
5410     return f_result;
5411 }
5412
5413 // see http://www.dvd-replica.com/DVD/vmcmdset.php for a description of DVD commands
5414 bool dvd_command_interpretor_c::Interpret( const binary * p_command, size_t i_size )
5415 {
5416     if ( i_size != 8 )
5417         return false;
5418
5419     virtual_segment_c *p_segment;
5420     chapter_item_c *p_chapter;
5421     bool f_result = false;
5422     uint16 i_command = ( p_command[0] << 8 ) + p_command[1];
5423
5424     // handle register tests if there are some
5425     if ( (i_command & 0xF0) != 0 )
5426     {
5427         bool b_test_positive = (i_command & CMD_DVD_IF_NOT) == 0;
5428         bool b_test_value    = (i_command & CMD_DVD_TEST_VALUE) != 0;
5429         uint8 i_test = i_command & 0x70;
5430         uint16 i_value;
5431
5432         if ( b_test_value )
5433             i_value = ( p_command[4] << 8 ) + p_command[5];
5434         else
5435             i_value = GetPRM( p_command[7] );
5436
5437         switch ( i_test )
5438         {
5439         case CMD_DVD_IF_GPREG_EQUAL:
5440             // if equals
5441             msg_Dbg( &sys.demuxer, "IF %s EQUALS %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5442             if (!( GetPRM( p_command[3] ) == i_value ))
5443             {
5444                 b_test_positive = !b_test_positive;
5445             }
5446             break;
5447         case CMD_DVD_IF_GPREG_INF:
5448             // if inferior
5449             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5450             if (!( GetPRM( p_command[3] ) < i_value ))
5451             {
5452                 b_test_positive = !b_test_positive;
5453             }
5454             break;
5455         case CMD_DVD_IF_GPREG_AND:
5456             // if logical and
5457             msg_Dbg( &sys.demuxer, "IF %s & %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5458             if (!( GetPRM( p_command[3] ) & i_value ))
5459             {
5460                 b_test_positive = !b_test_positive;
5461             }
5462             break;
5463         case CMD_DVD_IF_GPREG_SUP_EQUAL:
5464             // if superior or equal
5465             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5466             if (!( GetPRM( p_command[3] ) >= i_value ))
5467             {
5468                 b_test_positive = !b_test_positive;
5469             }
5470             break;
5471         }
5472
5473         if ( !b_test_positive )
5474             return false;
5475     }
5476
5477     // strip the test command
5478     i_command &= 0xFF0F;
5479
5480     switch ( i_command )
5481     {
5482     case CMD_DVD_NOP:
5483     case CMD_DVD_NOP2:
5484         {
5485             msg_Dbg( &sys.demuxer, "NOP" );
5486             break;
5487         }
5488     case CMD_DVD_BREAK:
5489         {
5490             msg_Dbg( &sys.demuxer, "Break" );
5491             // TODO
5492             break;
5493         }
5494     case CMD_DVD_JUMP_TT:
5495         {
5496             uint8 i_title = p_command[5];
5497             msg_Dbg( &sys.demuxer, "JumpTT %d", i_title );
5498
5499             // find in the ChapProcessPrivate matching this Title level
5500             p_chapter = sys.BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title), p_segment );
5501             if ( p_chapter != NULL )
5502             {
5503                 // if the segment is not part of the current segment, select the new one
5504                 if ( p_segment != sys.p_current_segment )
5505                 {
5506                     sys.PreparePlayback( p_segment );
5507                 }
5508
5509                 // jump to the location in the found segment
5510                 p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, NULL );
5511                 p_chapter->Enter( true );
5512
5513                 f_result = true;
5514             }
5515
5516             break;
5517         }
5518     case CMD_DVD_CALLSS_VTSM1:
5519         {
5520             msg_Dbg( &sys.demuxer, "CallSS VTSM" );
5521             switch( (p_command[6] & 0xC0) >> 6 ) {
5522                 case 0:
5523                     switch ( p_command[5] )
5524                     {
5525                     case 0x00:
5526                         msg_Dbg( &sys.demuxer, "CallSS PGC (rsm_cell %x)", p_command[5]);
5527                         break;
5528                     case 0x82:
5529                         msg_Dbg( &sys.demuxer, "CallSS Title Entry (rsm_cell %x)", p_command[5]);
5530                         break;
5531                     case 0x83:
5532                         msg_Dbg( &sys.demuxer, "CallSS Root Menu (rsm_cell %x)", p_command[5]);
5533                         break;
5534                     case 0x84:
5535                         msg_Dbg( &sys.demuxer, "CallSS Subpicture Menu (rsm_cell %x)", p_command[5]);
5536                         break;
5537                     case 0x85:
5538                         msg_Dbg( &sys.demuxer, "CallSS Audio Menu (rsm_cell %x)", p_command[5]);
5539                         break;
5540                     case 0x86:
5541                         msg_Dbg( &sys.demuxer, "CallSS Angle Menu (rsm_cell %x)", p_command[5]);
5542                         break;
5543                     case 0x87:
5544                         msg_Dbg( &sys.demuxer, "CallSS Chapter Menu (rsm_cell %x)", p_command[5]);
5545                         break;
5546                     default:
5547                         msg_Dbg( &sys.demuxer, "CallSS <unknown> (rsm_cell %x)", p_command[5]);
5548                         break;
5549                     }
5550                     p_chapter = sys.BrowseCodecPrivate( 1, MatchPgcType, &p_command[5], 1, p_segment );
5551                     if ( p_chapter != NULL )
5552                     {
5553                         // if the segment is not part of the current segment, select the new one
5554                         if ( p_segment != sys.p_current_segment )
5555                         {
5556                             sys.PreparePlayback( p_segment );
5557                         }
5558
5559                         p_chapter->Enter( true );
5560
5561                         // jump to the location in the found segment
5562                         p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5563                         f_result = true;
5564                     }
5565                 break;
5566                 case 1:
5567                     msg_Dbg( &sys.demuxer, "CallSS VMGM (menu %d, rsm_cell %x)", p_command[6] & 0x0F, p_command[5]);
5568                 break;
5569                 case 2:
5570                     msg_Dbg( &sys.demuxer, "CallSS VTSM (menu %d, rsm_cell %x)", p_command[6] & 0x0F, p_command[5]);
5571                 break;
5572                 case 3:
5573                     msg_Dbg( &sys.demuxer, "CallSS VMGM (pgc %d, rsm_cell %x)", (p_command[3] << 8) + p_command[4], p_command[5]);
5574                 break;
5575             }
5576             break;
5577         }
5578     case CMD_DVD_JUMPVTS_PTT:
5579         {
5580             uint8 i_title = p_command[5];
5581             uint8 i_ptt = p_command[3];
5582
5583             msg_Dbg( &sys.demuxer, "JumpVTS Title (%d) PTT (%d)", i_title, i_ptt);
5584
5585             // find the current VTS content segment
5586             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchIsDomain, NULL, 0 );
5587             if ( p_chapter != NULL )
5588             {
5589                 int16 i_curr_title = p_chapter->GetTitleNumber( );
5590                 if ( i_curr_title > 0 )
5591                 {
5592                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSNumber, &i_curr_title, sizeof(i_curr_title), p_segment );
5593
5594                     if ( p_chapter != NULL )
5595                     {
5596                         // find the title in the VTS
5597                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title) );
5598                         if ( p_chapter != NULL )
5599                         {
5600                             // find the chapter in the title
5601                             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchChapterNumber, &i_ptt, sizeof(i_ptt) );
5602                             if ( p_chapter != NULL )
5603                             {
5604                                 // if the segment is not part of the current segment, select the new one
5605                                 if ( p_segment != sys.p_current_segment )
5606                                 {
5607                                     sys.PreparePlayback( p_segment );
5608                                 }
5609
5610                                 p_chapter->Enter( true );
5611
5612                                 // jump to the location in the found segment
5613                                 p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5614                                 f_result = true;
5615                             }
5616                         }
5617                     else
5618                         msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", i_title );
5619                     }
5620                     else
5621                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", i_curr_title );
5622                 }
5623                 else
5624                     msg_Dbg( &sys.demuxer, "JumpVTS_PTT command found but not in a VTS(M)");
5625             }
5626             else
5627                 msg_Dbg( &sys.demuxer, "JumpVTS_PTT command but the DVD domain wasn't found");
5628             break;
5629         }
5630     case CMD_DVD_SET_GPRMMD:
5631         {
5632             msg_Dbg( &sys.demuxer, "Set GPRMMD [%d]=%d", (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3]);
5633
5634             if ( !SetGPRM( (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3] ) )
5635                 msg_Dbg( &sys.demuxer, "Set GPRMMD failed" );
5636             break;
5637         }
5638     case CMD_DVD_LINKPGCN:
5639         {
5640             uint16 i_pgcn = (p_command[6] << 8) + p_command[7];
5641
5642             msg_Dbg( &sys.demuxer, "Link PGCN(%d)", i_pgcn );
5643             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchPgcNumber, &i_pgcn, 2 );
5644             if ( p_chapter != NULL )
5645             {
5646                 p_chapter->Enter( true );
5647
5648                 // jump to the location in the found segment
5649                 sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5650                 f_result = true;
5651             }
5652             break;
5653         }
5654     case CMD_DVD_LINKCN:
5655         {
5656             uint8 i_cn = p_command[7];
5657
5658             p_chapter = sys.p_current_segment->CurrentChapter();
5659
5660             msg_Dbg( &sys.demuxer, "LinkCN (cell %d)", i_cn );
5661             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchCellNumber, &i_cn, 1 );
5662             if ( p_chapter != NULL )
5663             {
5664                 p_chapter->Enter( true );
5665
5666                 // jump to the location in the found segment
5667                 sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5668                 f_result = true;
5669             }
5670             break;
5671         }
5672     case CMD_DVD_GOTO_LINE:
5673         {
5674             msg_Dbg( &sys.demuxer, "GotoLine (%d)", (p_command[6] << 8) + p_command[7] );
5675             // TODO
5676             break;
5677         }
5678     default:
5679         {
5680             msg_Dbg( &sys.demuxer, "unsupported command : %02X %02X %02X %02X %02X %02X %02X %02X"
5681                      ,p_command[0]
5682                      ,p_command[1]
5683                      ,p_command[2]
5684                      ,p_command[3]
5685                      ,p_command[4]
5686                      ,p_command[5]
5687                      ,p_command[6]
5688                      ,p_command[7]);
5689             break;
5690         }
5691     }
5692
5693     return f_result;
5694 }
5695
5696 bool dvd_command_interpretor_c::MatchIsDomain( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5697 {
5698     return ( data.m_private_data.GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS );
5699 }
5700
5701 bool dvd_command_interpretor_c::MatchVTSNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5702 {
5703     if ( i_cookie_size != 2 || data.m_private_data.GetSize() < 4 )
5704         return false;
5705
5706     if ( data.m_private_data.GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.m_private_data.GetBuffer()[1] != 0x80 )
5707         return false;
5708
5709     uint16 i_gtitle = (data.m_private_data.GetBuffer()[2] << 8 ) + data.m_private_data.GetBuffer()[3];
5710     uint16 i_title = *(uint16*)p_cookie;
5711
5712     return (i_gtitle == i_title);
5713 }
5714
5715 bool dvd_command_interpretor_c::MatchTitleNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5716 {
5717     if ( i_cookie_size != 1 || data.m_private_data.GetSize() < 4 )
5718         return false;
5719
5720     if ( data.m_private_data.GetBuffer()[0] != MATROSKA_DVD_LEVEL_TT )
5721         return false;
5722
5723     uint16 i_gtitle = (data.m_private_data.GetBuffer()[1] << 8 ) + data.m_private_data.GetBuffer()[2];
5724     uint8 i_title = *(uint8*)p_cookie;
5725
5726     return (i_gtitle == i_title);
5727 }
5728
5729 bool dvd_command_interpretor_c::MatchPgcType( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5730 {
5731     if ( i_cookie_size != 1 || data.m_private_data.GetSize() < 8 )
5732         return false;
5733
5734     if ( data.m_private_data.GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
5735         return false;
5736
5737     uint8 i_pgc_type = data.m_private_data.GetBuffer()[3];
5738     uint8 i_pgc = *(uint8*)p_cookie;
5739
5740     return (i_pgc_type == i_pgc);
5741 }
5742
5743 bool dvd_command_interpretor_c::MatchPgcNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5744 {
5745     if ( i_cookie_size != 2 || data.m_private_data.GetSize() < 8 )
5746         return false;
5747
5748     if ( data.m_private_data.GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
5749         return false;
5750
5751     uint16 *i_pgc_n = (uint16 *)p_cookie;
5752     uint16 i_pgc_num = (data.m_private_data.GetBuffer()[1] << 8) + data.m_private_data.GetBuffer()[2];
5753
5754     return (i_pgc_num == *i_pgc_n);
5755 }
5756
5757 bool dvd_command_interpretor_c::MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5758 {
5759     if ( i_cookie_size != 1 || data.m_private_data.GetSize() < 2 )
5760         return false;
5761
5762     if ( data.m_private_data.GetBuffer()[0] != MATROSKA_DVD_LEVEL_PTT )
5763         return false;
5764
5765     uint8 i_chapter = data.m_private_data.GetBuffer()[1];
5766     uint8 i_ptt = *(uint8*)p_cookie;
5767
5768     return (i_chapter == i_ptt);
5769 }
5770
5771 bool dvd_command_interpretor_c::MatchCellNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5772 {
5773     if ( i_cookie_size != 1 || data.m_private_data.GetSize() < 5 )
5774         return false;
5775
5776     if ( data.m_private_data.GetBuffer()[0] != MATROSKA_DVD_LEVEL_CN )
5777         return false;
5778
5779     uint8 *i_cell_n = (uint8 *)p_cookie;
5780     uint8 i_cell_num = data.m_private_data.GetBuffer()[3];
5781
5782     return (i_cell_num == *i_cell_n);
5783 }
5784
5785 bool matroska_script_codec_c::Enter()
5786 {
5787     bool f_result = false;
5788     std::vector<KaxChapterProcessData>::iterator index = enter_cmds.begin();
5789     while ( index != enter_cmds.end() )
5790     {
5791         if ( (*index).GetSize() )
5792         {
5793             msg_Dbg( &sys.demuxer, "Matroska Script enter command" );
5794             f_result |= interpretor.Interpret( (*index).GetBuffer(), (*index).GetSize() );
5795         }
5796         index++;
5797     }
5798     return f_result;
5799 }
5800
5801 bool matroska_script_codec_c::Leave()
5802 {
5803     bool f_result = false;
5804     std::vector<KaxChapterProcessData>::iterator index = leave_cmds.begin();
5805     while ( index != leave_cmds.end() )
5806     {
5807         if ( (*index).GetSize() )
5808         {
5809             msg_Dbg( &sys.demuxer, "Matroska Script leave command" );
5810             f_result |= interpretor.Interpret( (*index).GetBuffer(), (*index).GetSize() );
5811         }
5812         index++;
5813     }
5814     return f_result;
5815 }
5816
5817 // see http://www.matroska.org/technical/specs/chapters/index.html#mscript
5818 //  for a description of existing commands
5819 bool matroska_script_interpretor_c::Interpret( const binary * p_command, size_t i_size )
5820 {
5821     bool b_result = false;
5822
5823     char *psz_str = (char*) malloc( i_size + 1 );
5824     memcpy( psz_str, p_command, i_size );
5825     psz_str[ i_size ] = '\0';
5826
5827     std::string sz_command = psz_str;
5828     free( psz_str );
5829
5830     msg_Dbg( &sys.demuxer, "command : %s", sz_command.c_str() );
5831
5832 #if defined(__GNUC__) && (__GNUC__ < 3)
5833     if ( sz_command.compare( CMD_MS_GOTO_AND_PLAY, 0, CMD_MS_GOTO_AND_PLAY.size() ) == 0 )
5834 #else
5835     if ( sz_command.compare( 0, CMD_MS_GOTO_AND_PLAY.size(), CMD_MS_GOTO_AND_PLAY ) == 0 )
5836 #endif
5837     {
5838         size_t i,j;
5839
5840         // find the (
5841         for ( i=CMD_MS_GOTO_AND_PLAY.size(); i<sz_command.size(); i++)
5842         {
5843             if ( sz_command[i] == '(' )
5844             {
5845                 i++;
5846                 break;
5847             }
5848         }
5849         // find the )
5850         for ( j=i; j<sz_command.size(); j++)
5851         {
5852             if ( sz_command[j] == ')' )
5853             {
5854                 i--;
5855                 break;
5856             }
5857         }
5858
5859         std::string st = sz_command.substr( i+1, j-i-1 );
5860         int64_t i_chapter_uid = atoi( st.c_str() );
5861
5862         virtual_segment_c *p_segment;
5863         chapter_item_c *p_chapter = sys.FindChapter( i_chapter_uid, p_segment );
5864
5865         if ( p_chapter == NULL )
5866             msg_Dbg( &sys.demuxer, "Chapter "I64Fd" not found", i_chapter_uid);
5867         else
5868         {
5869             if ( !p_chapter->EnterAndLeave( sys.p_current_segment->CurrentChapter() ) )
5870                 p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5871             b_result = true;
5872         }
5873     }
5874
5875     return b_result;
5876 }
5877
5878 void demux_sys_t::SwapButtons()
5879 {
5880 #ifndef WORDS_BIGENDIAN
5881     uint8_t button, i, j;
5882
5883     for( button = 1; button <= pci_packet.hli.hl_gi.btn_ns; button++) {
5884         btni_t *button_ptr = &(pci_packet.hli.btnit[button-1]);
5885         binary *p_data = (binary*) button_ptr;
5886
5887         uint16 i_x_start = ((p_data[0] & 0x3F) << 4 ) + ( p_data[1] >> 4 );
5888         uint16 i_x_end   = ((p_data[1] & 0x03) << 8 ) + p_data[2];
5889         uint16 i_y_start = ((p_data[3] & 0x3F) << 4 ) + ( p_data[4] >> 4 );
5890         uint16 i_y_end   = ((p_data[4] & 0x03) << 8 ) + p_data[5];
5891         button_ptr->x_start = i_x_start;
5892         button_ptr->x_end   = i_x_end;
5893         button_ptr->y_start = i_y_start;
5894         button_ptr->y_end   = i_y_end;
5895
5896     }
5897     for ( i = 0; i<3; i++ )
5898     {
5899         for ( j = 0; j<2; j++ )
5900         {
5901             pci_packet.hli.btn_colit.btn_coli[i][j] = U32_AT( &pci_packet.hli.btn_colit.btn_coli[i][j] );
5902         }
5903     }
5904 #endif
5905 }