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

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