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

   1 /*****************************************************************************
   2  * mkv.cpp : matroska demuxer
   3  *****************************************************************************
   4  * Copyright (C) 2003-2004 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   8  *          Steve Lhomme <steve.lhomme@free.fr>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  23  *****************************************************************************/
  24
  25 /*****************************************************************************
  26  * Preamble
  27  *****************************************************************************/
  28 #include <stdlib.h>                                      /* malloc(), free() */
  29
  30 #include <vlc/vlc.h>
  31
  32 #ifdef HAVE_TIME_H
  33 #   include <time.h>                                               /* time() */
  34 #endif
  35
  36 #include <vlc/input.h>
  37
  38 #include <codecs.h>                        /* BITMAPINFOHEADER, WAVEFORMATEX */
  39 #include "iso_lang.h"
  40 #include "vlc_meta.h"
  41
  42 #include <iostream>
  43 #include <cassert>
  44 #include <typeinfo>
  45 #include <string>
  46 #include <vector>
  47 #include <algorithm>
  48
  49 #ifdef HAVE_DIRENT_H
  50 #   include <dirent.h>
  51 #endif
  52
  53 /* libebml and matroska */
  54 #include "ebml/EbmlHead.h"
  55 #include "ebml/EbmlSubHead.h"
  56 #include "ebml/EbmlStream.h"
  57 #include "ebml/EbmlContexts.h"
  58 #include "ebml/EbmlVoid.h"
  59 #include "ebml/EbmlVersion.h"
  60 #include "ebml/StdIOCallback.h"
  61
  62 #include "matroska/KaxAttachments.h"
  63 #include "matroska/KaxBlock.h"
  64 #include "matroska/KaxBlockData.h"
  65 #include "matroska/KaxChapters.h"
  66 #include "matroska/KaxCluster.h"
  67 #include "matroska/KaxClusterData.h"
  68 #include "matroska/KaxContexts.h"
  69 #include "matroska/KaxCues.h"
  70 #include "matroska/KaxCuesData.h"
  71 #include "matroska/KaxInfo.h"
  72 #include "matroska/KaxInfoData.h"
  73 #include "matroska/KaxSeekHead.h"
  74 #include "matroska/KaxSegment.h"
  75 #include "matroska/KaxTag.h"
  76 #include "matroska/KaxTags.h"
  77 #include "matroska/KaxTagMulti.h"
  78 #include "matroska/KaxTracks.h"
  79 #include "matroska/KaxTrackAudio.h"
  80 #include "matroska/KaxTrackVideo.h"
  81 #include "matroska/KaxTrackEntryData.h"
  82 #include "matroska/KaxContentEncoding.h"
  83 #include "matroska/KaxVersion.h"
  84
  85 #include "ebml/StdIOCallback.h"
  86
  87 #if LIBMATROSKA_VERSION < 0x000706
  88 START_LIBMATROSKA_NAMESPACE
  89 extern const EbmlSemanticContext MATROSKA_DLL_API KaxMatroska_Context;
  90 END_LIBMATROSKA_NAMESPACE
  91 #endif
  92
  93 #include "vlc_keys.h"
  94
  95 extern "C" {
  96    #include "mp4/libmp4.h"
  97 }
  98 #ifdef HAVE_ZLIB_H
  99 #   include <zlib.h>
 100 #endif
 101
 102 #define MATROSKA_COMPRESSION_NONE  -1
 103 #define MATROSKA_COMPRESSION_ZLIB   0
 104 #define MATROSKA_COMPRESSION_BLIB   1
 105 #define MATROSKA_COMPRESSION_LZOX   2
 106 #define MATROSKA_COMPRESSION_HEADER 3
 107
 108 #define MKVD_TIMECODESCALE 1000000
 109
 110 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 111 #undef ATTRIBUTE_PACKED
 112 #undef PRAGMA_PACK_BEGIN
 113 #undef PRAGMA_PACK_END
 114
 115 #if defined(__GNUC__)
 116 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)
 117 #define ATTRIBUTE_PACKED __attribute__ ((packed))
 118 #define PRAGMA_PACK 0
 119 #endif
 120 #endif
 121
 122 #if !defined(ATTRIBUTE_PACKED)
 123 #define ATTRIBUTE_PACKED
 124 #define PRAGMA_PACK 1
 125 #endif
 126
 127 #if PRAGMA_PACK
 128 #pragma pack(1)
 129 #endif
 130
 131 /*************************************
 132 *  taken from libdvdnav / libdvdread
 133 **************************************/
 134
 135 /**
 136  * DVD Time Information.
 137  */
 138 typedef struct {
 139   uint8_t hour;
 140   uint8_t minute;
 141   uint8_t second;
 142   uint8_t frame_u; /* The two high bits are the frame rate. */
 143 } ATTRIBUTE_PACKED dvd_time_t;
 144
 145 /**
 146  * User Operations.
 147  */
 148 typedef struct {
 149 #ifdef WORDS_BIGENDIAN
 150   unsigned char zero                           : 7; /* 25-31 */
 151   unsigned char video_pres_mode_change         : 1; /* 24 */
 152
 153   unsigned char karaoke_audio_pres_mode_change : 1; /* 23 */
 154   unsigned char angle_change                   : 1;
 155   unsigned char subpic_stream_change           : 1;
 156   unsigned char audio_stream_change            : 1;
 157   unsigned char pause_on                       : 1;
 158   unsigned char still_off                      : 1;
 159   unsigned char button_select_or_activate      : 1;
 160   unsigned char resume                         : 1; /* 16 */
 161
 162   unsigned char chapter_menu_call              : 1; /* 15 */
 163   unsigned char angle_menu_call                : 1;
 164   unsigned char audio_menu_call                : 1;
 165   unsigned char subpic_menu_call               : 1;
 166   unsigned char root_menu_call                 : 1;
 167   unsigned char title_menu_call                : 1;
 168   unsigned char backward_scan                  : 1;
 169   unsigned char forward_scan                   : 1; /* 8 */
 170
 171   unsigned char next_pg_search                 : 1; /* 7 */
 172   unsigned char prev_or_top_pg_search          : 1;
 173   unsigned char time_or_chapter_search         : 1;
 174   unsigned char go_up                          : 1;
 175   unsigned char stop                           : 1;
 176   unsigned char title_play                     : 1;
 177   unsigned char chapter_search_or_play         : 1;
 178   unsigned char title_or_time_play             : 1; /* 0 */
 179 #else
 180   unsigned char video_pres_mode_change         : 1; /* 24 */
 181   unsigned char zero                           : 7; /* 25-31 */
 182
 183   unsigned char resume                         : 1; /* 16 */
 184   unsigned char button_select_or_activate      : 1;
 185   unsigned char still_off                      : 1;
 186   unsigned char pause_on                       : 1;
 187   unsigned char audio_stream_change            : 1;
 188   unsigned char subpic_stream_change           : 1;
 189   unsigned char angle_change                   : 1;
 190   unsigned char karaoke_audio_pres_mode_change : 1; /* 23 */
 191
 192   unsigned char forward_scan                   : 1; /* 8 */
 193   unsigned char backward_scan                  : 1;
 194   unsigned char title_menu_call                : 1;
 195   unsigned char root_menu_call                 : 1;
 196   unsigned char subpic_menu_call               : 1;
 197   unsigned char audio_menu_call                : 1;
 198   unsigned char angle_menu_call                : 1;
 199   unsigned char chapter_menu_call              : 1; /* 15 */
 200
 201   unsigned char title_or_time_play             : 1; /* 0 */
 202   unsigned char chapter_search_or_play         : 1;
 203   unsigned char title_play                     : 1;
 204   unsigned char stop                           : 1;
 205   unsigned char go_up                          : 1;
 206   unsigned char time_or_chapter_search         : 1;
 207   unsigned char prev_or_top_pg_search          : 1;
 208   unsigned char next_pg_search                 : 1; /* 7 */
 209 #endif
 210 } ATTRIBUTE_PACKED user_ops_t;
 211
 212 /**
 213  * Type to store per-command data.
 214  */
 215 typedef struct {
 216   uint8_t bytes[8];
 217 } ATTRIBUTE_PACKED vm_cmd_t;
 218 #define COMMAND_DATA_SIZE 8
 219
 220 /**
 221  * PCI General Information
 222  */
 223 typedef struct {
 224   uint32_t nv_pck_lbn;      /**< sector address of this nav pack */
 225   uint16_t vobu_cat;        /**< 'category' of vobu */
 226   uint16_t zero1;           /**< reserved */
 227   user_ops_t vobu_uop_ctl;  /**< UOP of vobu */
 228   uint32_t vobu_s_ptm;      /**< start presentation time of vobu */
 229   uint32_t vobu_e_ptm;      /**< end presentation time of vobu */
 230   uint32_t vobu_se_e_ptm;   /**< end ptm of sequence end in vobu */
 231   dvd_time_t e_eltm;        /**< Cell elapsed time */
 232   char vobu_isrc[32];
 233 } ATTRIBUTE_PACKED pci_gi_t;
 234
 235 /**
 236  * Non Seamless Angle Information
 237  */
 238 typedef struct {
 239   uint32_t nsml_agl_dsta[9];  /**< address of destination vobu in AGL_C#n */
 240 } ATTRIBUTE_PACKED nsml_agli_t;
 241
 242 /**
 243  * Highlight General Information
 244  *
 245  * For btngrX_dsp_ty the bits have the following meaning:
 246  * 000b: normal 4/3 only buttons
 247  * XX1b: wide (16/9) buttons
 248  * X1Xb: letterbox buttons
 249  * 1XXb: pan&scan buttons
 250  */
 251 typedef struct {
 252   uint16_t hli_ss; /**< status, only low 2 bits 0: no buttons, 1: different 2: equal 3: eual except for button cmds */
 253   uint32_t hli_s_ptm;              /**< start ptm of hli */
 254   uint32_t hli_e_ptm;              /**< end ptm of hli */
 255   uint32_t btn_se_e_ptm;           /**< end ptm of button select */
 256 #ifdef WORDS_BIGENDIAN
 257   unsigned char zero1 : 2;          /**< reserved */
 258   unsigned char btngr_ns : 2;       /**< number of button groups 1, 2 or 3 with 36/18/12 buttons */
 259   unsigned char zero2 : 1;          /**< reserved */
 260   unsigned char btngr1_dsp_ty : 3;  /**< display type of subpic stream for button group 1 */
 261   unsigned char zero3 : 1;          /**< reserved */
 262   unsigned char btngr2_dsp_ty : 3;  /**< display type of subpic stream for button group 2 */
 263   unsigned char zero4 : 1;          /**< reserved */
 264   unsigned char btngr3_dsp_ty : 3;  /**< display type of subpic stream for button group 3 */
 265 #else
 266   unsigned char btngr1_dsp_ty : 3;
 267   unsigned char zero2 : 1;
 268   unsigned char btngr_ns : 2;
 269   unsigned char zero1 : 2;
 270   unsigned char btngr3_dsp_ty : 3;
 271   unsigned char zero4 : 1;
 272   unsigned char btngr2_dsp_ty : 3;
 273   unsigned char zero3 : 1;
 274 #endif
 275   uint8_t btn_ofn;     /**< button offset number range 0-255 */
 276   uint8_t btn_ns;      /**< number of valid buttons  <= 36/18/12 (low 6 bits) */
 277   uint8_t nsl_btn_ns;  /**< number of buttons selectable by U_BTNNi (low 6 bits)   nsl_btn_ns <= btn_ns */
 278   uint8_t zero5;       /**< reserved */
 279   uint8_t fosl_btnn;   /**< forcedly selected button  (low 6 bits) */
 280   uint8_t foac_btnn;   /**< forcedly activated button (low 6 bits) */
 281 } ATTRIBUTE_PACKED hl_gi_t;
 282
 283
 284 /**
 285  * Button Color Information Table
 286  * Each entry beeing a 32bit word that contains the color indexs and alpha
 287  * values to use.  They are all represented by 4 bit number and stored
 288  * like this [Ci3, Ci2, Ci1, Ci0, A3, A2, A1, A0].   The actual palette
 289  * that the indexes reference is in the PGC.
 290  * @TODO split the uint32_t into a struct
 291  */
 292 typedef struct {
 293   uint32_t btn_coli[3][2];  /**< [button color number-1][select:0/action:1] */
 294 } ATTRIBUTE_PACKED btn_colit_t;
 295
 296 /**
 297  * Button Information
 298  *
 299  * NOTE: I've had to change the structure from the disk layout to get
 300  * the packing to work with Sun's Forte C compiler.
 301  * The 4 and 7 bytes are 'rotated' was: ABC DEF GHIJ  is: ABCG DEFH IJ
 302  */
 303 typedef struct {
 304 #ifdef WORDS_BIGENDIAN
 305   uint32        btn_coln         : 2;  /**< button color number */
 306   uint32        x_start          : 10; /**< x start offset within the overlay */
 307   uint32        zero1            : 2;  /**< reserved */
 308   uint32        x_end            : 10; /**< x end offset within the overlay */
 309
 310   uint32        zero3            : 2;  /**< reserved */
 311   uint32        up               : 6;  /**< button index when pressing up */
 312
 313   uint32        auto_action_mode : 2;  /**< 0: no, 1: activated if selected */
 314   uint32        y_start          : 10; /**< y start offset within the overlay */
 315   uint32        zero2            : 2;  /**< reserved */
 316   uint32        y_end            : 10; /**< y end offset within the overlay */
 317
 318   uint32        zero4            : 2;  /**< reserved */
 319   uint32        down             : 6;  /**< button index when pressing down */
 320   unsigned char zero5            : 2;  /**< reserved */
 321   unsigned char left             : 6;  /**< button index when pressing left */
 322   unsigned char zero6            : 2;  /**< reserved */
 323   unsigned char right            : 6;  /**< button index when pressing right */
 324 #else
 325   uint32        x_end            : 10;
 326   uint32        zero1            : 2;
 327   uint32        x_start          : 10;
 328   uint32        btn_coln         : 2;
 329
 330   uint32        up               : 6;
 331   uint32        zero3            : 2;
 332
 333   uint32        y_end            : 10;
 334   uint32        zero2            : 2;
 335   uint32        y_start          : 10;
 336   uint32        auto_action_mode : 2;
 337
 338   uint32        down             : 6;
 339   uint32        zero4            : 2;
 340   unsigned char left             : 6;
 341   unsigned char zero5            : 2;
 342   unsigned char right            : 6;
 343   unsigned char zero6            : 2;
 344 #endif
 345   vm_cmd_t cmd;
 346 } ATTRIBUTE_PACKED btni_t;
 347
 348 /**
 349  * Highlight Information
 350  */
 351 typedef struct {
 352   hl_gi_t     hl_gi;
 353   btn_colit_t btn_colit;
 354   btni_t      btnit[36];
 355 } ATTRIBUTE_PACKED hli_t;
 356
 357 /**
 358  * PCI packet
 359  */
 360 typedef struct {
 361   pci_gi_t    pci_gi;
 362   nsml_agli_t nsml_agli;
 363   hli_t       hli;
 364   uint8_t     zero1[189];
 365 } ATTRIBUTE_PACKED pci_t;
 366
 367
 368 #if PRAGMA_PACK
 369 #pragma pack()
 370 #endif
 371 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 372
 373
 374 /**
 375  * What's between a directory and a filename?
 376  */
 377 #if defined( WIN32 )
 378     #define DIRECTORY_SEPARATOR '\\'
 379 #else
 380     #define DIRECTORY_SEPARATOR '/'
 381 #endif
 382
 383 using namespace LIBMATROSKA_NAMESPACE;
 384 using namespace std;
 385
 386 /*****************************************************************************
 387  * Module descriptor
 388  *****************************************************************************/
 389 static int  Open ( vlc_object_t * );
 390 static void Close( vlc_object_t * );
 391
 392 vlc_module_begin();
 393     set_shortname( "Matroska" );
 394     set_description( _("Matroska stream demuxer" ) );
 395     set_capability( "demux2", 50 );
 396     set_callbacks( Open, Close );
 397     set_category( CAT_INPUT );
 398     set_subcategory( SUBCAT_INPUT_DEMUX );
 399
 400     add_bool( "mkv-use-ordered-chapters", 1, NULL,
 401             N_("Ordered chapters"),
 402             N_("Play ordered chapters as specified in the segment."), VLC_TRUE );
 403
 404     add_bool( "mkv-use-chapter-codec", 1, NULL,
 405             N_("Chapter codecs"),
 406             N_("Use chapter codecs found in the segment."), VLC_TRUE );
 407
 408     add_bool( "mkv-preload-local-dir", 1, NULL,
 409             N_("Preload Directory"),
 410             N_("Preload matroska files from the same family in the same directory (not good for broken files)."), VLC_TRUE );
 411
 412     add_bool( "mkv-seek-percent", 0, NULL,
 413             N_("Seek based on percent not time"),
 414             N_("Seek based on percent not time."), VLC_TRUE );
 415
 416     add_bool( "mkv-use-dummy", 0, NULL,
 417             N_("Dummy Elements"),
 418             N_("Read and discard unknown EBML elements (not good for broken files)."), VLC_TRUE );
 419
 420     add_shortcut( "mka" );
 421     add_shortcut( "mkv" );
 422 vlc_module_end();
 423
 424 /*****************************************************************************
 425  * Local prototypes
 426  *****************************************************************************/
 427 #ifdef HAVE_ZLIB_H
 428 block_t *block_zlib_decompress( vlc_object_t *p_this, block_t *p_in_block ) {
 429     int result, dstsize, n;
 430     unsigned char *dst;
 431     block_t *p_block;
 432     z_stream d_stream;
 433
 434     d_stream.zalloc = (alloc_func)0;
 435     d_stream.zfree = (free_func)0;
 436     d_stream.opaque = (voidpf)0;
 437     result = inflateInit(&d_stream);
 438     if( result != Z_OK )
 439     {
 440         msg_Dbg( p_this, "inflateInit() failed. Result: %d", result );
 441         return NULL;
 442     }
 443
 444     d_stream.next_in = (Bytef *)p_in_block->p_buffer;
 445     d_stream.avail_in = p_in_block->i_buffer;
 446     n = 0;
 447     p_block = block_New( p_this, 0 );
 448     dst = NULL;
 449     do
 450     {
 451         n++;
 452         p_block = block_Realloc( p_block, 0, n * 1000 );
 453         dst = (unsigned char *)p_block->p_buffer;
 454         d_stream.next_out = (Bytef *)&dst[(n - 1) * 1000];
 455         d_stream.avail_out = 1000;
 456         result = inflate(&d_stream, Z_NO_FLUSH);
 457         if( ( result != Z_OK ) && ( result != Z_STREAM_END ) )
 458         {
 459             msg_Dbg( p_this, "Zlib decompression failed. Result: %d", result );
 460             return NULL;
 461         }
 462     }
 463     while( ( d_stream.avail_out == 0 ) && ( d_stream.avail_in != 0 ) &&
 464            ( result != Z_STREAM_END ) );
 465
 466     dstsize = d_stream.total_out;
 467     inflateEnd( &d_stream );
 468
 469     p_block = block_Realloc( p_block, 0, dstsize );
 470     p_block->i_buffer = dstsize;
 471     block_Release( p_in_block );
 472
 473     return p_block;
 474 }
 475 #endif
 476
 477 /**
 478  * Helper function to print the mkv parse tree
 479  */
 480 static void MkvTree( demux_t & demuxer, int i_level, char *psz_format, ... )
 481 {
 482     va_list args;
 483     if( i_level > 9 )
 484     {
 485         msg_Err( &demuxer, "too deep tree" );
 486         return;
 487     }
 488     va_start( args, psz_format );
 489     static char *psz_foo = "|   |   |   |   |   |   |   |   |   |";
 490     char *psz_foo2 = (char*)malloc( ( i_level * 4 + 3 + strlen( psz_format ) ) * sizeof(char) );
 491     strncpy( psz_foo2, psz_foo, 4 * i_level );
 492     psz_foo2[ 4 * i_level ] = '+';
 493     psz_foo2[ 4 * i_level + 1 ] = ' ';
 494     strcpy( &psz_foo2[ 4 * i_level + 2 ], psz_format );
 495     __msg_GenericVa( VLC_OBJECT(&demuxer), VLC_MSG_DBG, "mkv", psz_foo2, args );
 496     free( psz_foo2 );
 497     va_end( args );
 498 }
 499
 500 /*****************************************************************************
 501  * Stream managment
 502  *****************************************************************************/
 503 class vlc_stream_io_callback: public IOCallback
 504 {
 505   private:
 506     stream_t       *s;
 507     vlc_bool_t     mb_eof;
 508     vlc_bool_t     b_owner;
 509
 510   public:
 511     vlc_stream_io_callback( stream_t *, vlc_bool_t );
 512
 513     virtual ~vlc_stream_io_callback()
 514     {
 515         if( b_owner )
 516             stream_Delete( s );
 517     }
 518
 519     virtual uint32   read            ( void *p_buffer, size_t i_size);
 520     virtual void     setFilePointer  ( int64_t i_offset, seek_mode mode = seek_beginning );
 521     virtual size_t   write           ( const void *p_buffer, size_t i_size);
 522     virtual uint64   getFilePointer  ( void );
 523     virtual void     close           ( void );
 524 };
 525
 526 /*****************************************************************************
 527  * Ebml Stream parser
 528  *****************************************************************************/
 529 class EbmlParser
 530 {
 531   public:
 532     EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux );
 533     virtual ~EbmlParser( void );
 534
 535     void Up( void );
 536     void Down( void );
 537     void Reset( demux_t *p_demux );
 538     EbmlElement *Get( void );
 539     void        Keep( void );
 540     EbmlElement *UnGet( uint64 i_block_pos, uint64 i_cluster_pos );
 541
 542     int GetLevel( void );
 543
 544   private:
 545     EbmlStream  *m_es;
 546     int         mi_level;
 547     EbmlElement *m_el[10];
 548     int64_t      mi_remain_size[10];
 549
 550     EbmlElement *m_got;
 551
 552     int         mi_user_level;
 553     vlc_bool_t  mb_keep;
 554     vlc_bool_t  mb_dummy;
 555 };
 556
 557
 558 /*****************************************************************************
 559  * Some functions to manipulate memory
 560  *****************************************************************************/
 561 #define GetFOURCC( p )  __GetFOURCC( (uint8_t*)p )
 562 static vlc_fourcc_t __GetFOURCC( uint8_t *p )
 563 {
 564     return VLC_FOURCC( p[0], p[1], p[2], p[3] );
 565 }
 566
 567 /*****************************************************************************
 568  * definitions of structures and functions used by this plugins
 569  *****************************************************************************/
 570 typedef struct
 571 {
 572     vlc_bool_t   b_default;
 573     vlc_bool_t   b_enabled;
 574     unsigned int i_number;
 575
 576     int          i_extra_data;
 577     uint8_t      *p_extra_data;
 578
 579     char         *psz_codec;
 580
 581     uint64_t     i_default_duration;
 582     float        f_timecodescale;
 583     mtime_t      i_last_dts;
 584
 585     /* video */
 586     es_format_t fmt;
 587     float       f_fps;
 588     es_out_id_t *p_es;
 589
 590     vlc_bool_t      b_inited;
 591     /* data to be send first */
 592     int             i_data_init;
 593     uint8_t         *p_data_init;
 594
 595     /* hack : it's for seek */
 596     vlc_bool_t      b_search_keyframe;
 597     vlc_bool_t      b_silent;
 598
 599     /* informative */
 600     char         *psz_codec_name;
 601     char         *psz_codec_settings;
 602     char         *psz_codec_info_url;
 603     char         *psz_codec_download_url;
 604
 605     /* encryption/compression */
 606     int                    i_compression_type;
 607     KaxContentCompSettings *p_compression_data;
 608
 609 } mkv_track_t;
 610
 611 typedef struct
 612 {
 613     int     i_track;
 614     int     i_block_number;
 615
 616     int64_t i_position;
 617     int64_t i_time;
 618
 619     vlc_bool_t b_key;
 620 } mkv_index_t;
 621
 622 class demux_sys_t;
 623
 624 const binary MATROSKA_DVD_LEVEL_SS   = 0x30;
 625 const binary MATROSKA_DVD_LEVEL_LU   = 0x2A;
 626 const binary MATROSKA_DVD_LEVEL_TT   = 0x28;
 627 const binary MATROSKA_DVD_LEVEL_PGC  = 0x20;
 628 const binary MATROSKA_DVD_LEVEL_PG   = 0x18;
 629 const binary MATROSKA_DVD_LEVEL_PTT  = 0x10;
 630 const binary MATROSKA_DVD_LEVEL_CN   = 0x08;
 631
 632 class chapter_codec_cmds_c
 633 {
 634 public:
 635     chapter_codec_cmds_c( demux_sys_t & demuxer, int codec_id = -1)
 636     :p_private_data(NULL)
 637     ,i_codec_id( codec_id )
 638     ,sys( demuxer )
 639     {}
 640
 641     virtual ~chapter_codec_cmds_c()
 642     {
 643         delete p_private_data;
 644         std::vector<KaxChapterProcessData*>::iterator indexe = enter_cmds.begin();
 645         while ( indexe != enter_cmds.end() )
 646         {
 647             delete (*indexe);
 648             indexe++;
 649         }
 650         std::vector<KaxChapterProcessData*>::iterator indexl = leave_cmds.begin();
 651         while ( indexl != leave_cmds.end() )
 652         {
 653             delete (*indexl);
 654             indexl++;
 655         }
 656         std::vector<KaxChapterProcessData*>::iterator indexd = during_cmds.begin();
 657         while ( indexd != during_cmds.end() )
 658         {
 659             delete (*indexd);
 660             indexd++;
 661         }
 662     }
 663
 664     void SetPrivate( const KaxChapterProcessPrivate & private_data )
 665     {
 666         p_private_data = new KaxChapterProcessPrivate( private_data );
 667     }
 668
 669     void AddCommand( const KaxChapterProcessCommand & command );
 670
 671     /// \return wether the codec has seeked in the files or not
 672     virtual bool Enter() { return false; }
 673     virtual bool Leave() { return false; }
 674     virtual std::string GetCodecName( bool f_for_title = false ) const { return ""; }
 675     virtual int16 GetTitleNumber() { return -1; }
 676
 677     KaxChapterProcessPrivate *p_private_data;
 678
 679 protected:
 680     std::vector<KaxChapterProcessData*> enter_cmds;
 681     std::vector<KaxChapterProcessData*> during_cmds;
 682     std::vector<KaxChapterProcessData*> leave_cmds;
 683
 684     int i_codec_id;
 685     demux_sys_t & sys;
 686 };
 687
 688 class dvd_command_interpretor_c
 689 {
 690 public:
 691     dvd_command_interpretor_c( demux_sys_t & demuxer )
 692     :sys( demuxer )
 693     {
 694         memset( p_PRMs, 0, sizeof(p_PRMs) );
 695         p_PRMs[ 0x80 + 1 ] = 15;
 696         p_PRMs[ 0x80 + 2 ] = 62;
 697         p_PRMs[ 0x80 + 3 ] = 1;
 698         p_PRMs[ 0x80 + 4 ] = 1;
 699         p_PRMs[ 0x80 + 7 ] = 1;
 700         p_PRMs[ 0x80 + 8 ] = 1;
 701         p_PRMs[ 0x80 + 16 ] = 0xFFFFu;
 702         p_PRMs[ 0x80 + 18 ] = 0xFFFFu;
 703     }
 704
 705     bool Interpret( const binary * p_command, size_t i_size = 8 );
 706
 707     uint16 GetPRM( size_t index ) const
 708     {
 709         if ( index < 256 )
 710             return p_PRMs[ index ];
 711         else return 0;
 712     }
 713
 714     uint16 GetGPRM( size_t index ) const
 715     {
 716         if ( index >= 0 && index < 16 )
 717             return p_PRMs[ index ];
 718         else return 0;
 719     }
 720
 721     uint16 GetSPRM( size_t index ) const
 722     {
 723         // 21,22,23 reserved for future use
 724         if ( index >= 0x80 && index < 0x95 )
 725             return p_PRMs[ index ];
 726         else return 0;
 727     }
 728
 729     bool SetPRM( size_t index, uint16 value )
 730     {
 731         if ( index >= 0 && index < 16 )
 732         {
 733             p_PRMs[ index ] = value;
 734             return true;
 735         }
 736         return false;
 737     }
 738
 739     bool SetGPRM( size_t index, uint16 value )
 740     {
 741         if ( index >= 0 && index < 16 )
 742         {
 743             p_PRMs[ index ] = value;
 744             return true;
 745         }
 746         return false;
 747     }
 748
 749     bool SetSPRM( size_t index, uint16 value )
 750     {
 751         if ( index > 0x80 && index <= 0x8D && index != 0x8C )
 752         {
 753             p_PRMs[ index ] = value;
 754             return true;
 755         }
 756         return false;
 757     }
 758
 759 protected:
 760     std::string GetRegTypeName( bool b_value, uint16 value ) const
 761     {
 762         std::string result;
 763         char s_value[6], s_reg_value[6];
 764         sprintf( s_value, "%.5d", value );
 765
 766         if ( b_value )
 767         {
 768             result = "value (";
 769             result += s_value;
 770             result += ")";
 771         }
 772         else if ( value < 0x80 )
 773         {
 774             sprintf( s_reg_value, "%.5d", GetPRM( value ) );
 775             result = "GPreg[";
 776             result += s_value;
 777             result += "] (";
 778             result += s_reg_value;
 779             result += ")";
 780         }
 781         else
 782         {
 783             sprintf( s_reg_value, "%.5d", GetPRM( value ) );
 784             result = "SPreg[";
 785             result += s_value;
 786             result += "] (";
 787             result += s_reg_value;
 788             result += ")";
 789         }
 790         return result;
 791     }
 792
 793     uint16       p_PRMs[256];
 794     demux_sys_t  & sys;
 795
 796     // DVD command IDs
 797
 798     // Tests
 799     // wether it's a comparison on the value or register
 800     static const uint16 CMD_DVD_TEST_VALUE          = 0x80;
 801     static const uint16 CMD_DVD_IF_GPREG_AND        = (1 << 4);
 802     static const uint16 CMD_DVD_IF_GPREG_EQUAL      = (2 << 4);
 803     static const uint16 CMD_DVD_IF_GPREG_NOT_EQUAL  = (3 << 4);
 804     static const uint16 CMD_DVD_IF_GPREG_SUP_EQUAL  = (4 << 4);
 805     static const uint16 CMD_DVD_IF_GPREG_SUP        = (5 << 4);
 806     static const uint16 CMD_DVD_IF_GPREG_INF_EQUAL  = (6 << 4);
 807     static const uint16 CMD_DVD_IF_GPREG_INF        = (7 << 4);
 808
 809     static const uint16 CMD_DVD_NOP                    = 0x0000;
 810     static const uint16 CMD_DVD_GOTO_LINE              = 0x0001;
 811     static const uint16 CMD_DVD_BREAK                  = 0x0002;
 812     // Links
 813     static const uint16 CMD_DVD_NOP2                   = 0x2001;
 814     static const uint16 CMD_DVD_LINKPGCN               = 0x2004;
 815     static const uint16 CMD_DVD_LINKPGN                = 0x2006;
 816     static const uint16 CMD_DVD_LINKCN                 = 0x2007;
 817     static const uint16 CMD_DVD_JUMP_TT                = 0x3002;
 818     static const uint16 CMD_DVD_JUMPVTS_TT             = 0x3003;
 819     static const uint16 CMD_DVD_JUMPVTS_PTT            = 0x3005;
 820     static const uint16 CMD_DVD_JUMP_SS                = 0x3006;
 821     static const uint16 CMD_DVD_CALLSS_VTSM1           = 0x3008;
 822     //
 823     static const uint16 CMD_DVD_SET_HL_BTNN2           = 0x4600;
 824     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN1  = 0x4604;
 825     static const uint16 CMD_DVD_SET_STREAM             = 0x5100;
 826     static const uint16 CMD_DVD_SET_GPRMMD             = 0x5300;
 827     static const uint16 CMD_DVD_SET_HL_BTNN1           = 0x5600;
 828     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN2  = 0x5604;
 829     static const uint16 CMD_DVD_SET_HL_BTNN_LINKCN     = 0x5607;
 830     // Operations
 831     static const uint16 CMD_DVD_MOV_SPREG_PREG         = 0x6100;
 832     static const uint16 CMD_DVD_GPREG_MOV_VALUE        = 0x7100;
 833     static const uint16 CMD_DVD_SUB_GPREG              = 0x7400;
 834     static const uint16 CMD_DVD_MULT_GPREG             = 0x7500;
 835     static const uint16 CMD_DVD_GPREG_DIV_VALUE        = 0x7600;
 836     static const uint16 CMD_DVD_GPREG_AND_VALUE        = 0x7900;
 837
 838     // callbacks when browsing inside CodecPrivate
 839     static bool MatchIsDomain     ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 840     static bool MatchIsVMG        ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 841     static bool MatchVTSNumber    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 842     static bool MatchVTSMNumber   ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 843     static bool MatchTitleNumber  ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 844     static bool MatchPgcType      ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 845     static bool MatchPgcNumber    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 846     static bool MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 847     static bool MatchCellNumber   ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 848 };
 849
 850 class dvd_chapter_codec_c : public chapter_codec_cmds_c
 851 {
 852 public:
 853     dvd_chapter_codec_c( demux_sys_t & sys )
 854     :chapter_codec_cmds_c( sys, 1 )
 855     {}
 856
 857     bool Enter();
 858     bool Leave();
 859     std::string GetCodecName( bool f_for_title = false ) const;
 860     int16 GetTitleNumber();
 861 };
 862
 863 class matroska_script_interpretor_c
 864 {
 865 public:
 866     matroska_script_interpretor_c( demux_sys_t & demuxer )
 867     :sys( demuxer )
 868     {}
 869
 870     bool Interpret( const binary * p_command, size_t i_size );
 871
 872     // DVD command IDs
 873     static const std::string CMD_MS_GOTO_AND_PLAY;
 874
 875 protected:
 876     demux_sys_t  & sys;
 877 };
 878
 879 const std::string matroska_script_interpretor_c::CMD_MS_GOTO_AND_PLAY = "GotoAndPlay";
 880
 881
 882 class matroska_script_codec_c : public chapter_codec_cmds_c
 883 {
 884 public:
 885     matroska_script_codec_c( demux_sys_t & sys )
 886     :chapter_codec_cmds_c( sys, 0 )
 887     ,interpretor( sys )
 888     {}
 889
 890     bool Enter();
 891     bool Leave();
 892
 893 protected:
 894     matroska_script_interpretor_c interpretor;
 895 };
 896
 897 class chapter_translation_c
 898 {
 899 public:
 900     chapter_translation_c()
 901         :p_translated(NULL)
 902     {}
 903
 904     ~chapter_translation_c()
 905     {
 906         delete p_translated;
 907     }
 908
 909     KaxChapterTranslateID  *p_translated;
 910     unsigned int           codec_id;
 911     std::vector<uint64_t>  editions;
 912 };
 913
 914 class chapter_item_c
 915 {
 916 public:
 917     chapter_item_c()
 918     :i_start_time(0)
 919     ,i_end_time(-1)
 920     ,i_user_start_time(-1)
 921     ,i_user_end_time(-1)
 922     ,i_seekpoint_num(-1)
 923     ,b_display_seekpoint(true)
 924     ,b_user_display(false)
 925     ,psz_parent(NULL)
 926     ,b_is_leaving(false)
 927     {}
 928
 929     virtual ~chapter_item_c()
 930     {
 931         std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
 932         while ( index != codecs.end() )
 933         {
 934             delete (*index);
 935             index++;
 936         }
 937         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
 938         while ( index_ != sub_chapters.end() )
 939         {
 940             delete (*index_);
 941             index_++;
 942         }
 943     }
 944
 945     int64_t RefreshChapters( bool b_ordered, int64_t i_prev_user_time );
 946     int PublishChapters( input_title_t & title, int & i_user_chapters, int i_level = 0 );
 947     virtual chapter_item_c * FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current, bool & b_found );
 948     void Append( const chapter_item_c & edition );
 949     chapter_item_c * FindChapter( int64_t i_find_uid );
 950     virtual chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
 951                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
 952                                     const void *p_cookie,
 953                                     size_t i_cookie_size );
 954     std::string                 GetCodecName( bool f_for_title = false ) const;
 955     bool                        ParentOf( const chapter_item_c & item ) const;
 956     int16                       GetTitleNumber( ) const;
 957
 958     int64_t                     i_start_time, i_end_time;
 959     int64_t                     i_user_start_time, i_user_end_time; /* the time in the stream when an edition is ordered */
 960     std::vector<chapter_item_c*> sub_chapters;
 961     int                         i_seekpoint_num;
 962     int64_t                     i_uid;
 963     bool                        b_display_seekpoint;
 964     bool                        b_user_display;
 965     std::string                 psz_name;
 966     chapter_item_c              *psz_parent;
 967     bool                        b_is_leaving;
 968
 969     std::vector<chapter_codec_cmds_c*> codecs;
 970
 971     static bool CompareTimecode( const chapter_item_c * itemA, const chapter_item_c * itemB )
 972     {
 973         return ( itemA->i_user_start_time < itemB->i_user_start_time || (itemA->i_user_start_time == itemB->i_user_start_time && itemA->i_user_end_time < itemB->i_user_end_time) );
 974     }
 975
 976     bool Enter( bool b_do_subchapters );
 977     bool Leave( bool b_do_subchapters );
 978     bool EnterAndLeave( chapter_item_c *p_item, bool b_enter = true );
 979 };
 980
 981 class chapter_edition_c : public chapter_item_c
 982 {
 983 public:
 984     chapter_edition_c()
 985     :b_ordered(false)
 986     {}
 987
 988     void RefreshChapters( );
 989     mtime_t Duration() const;
 990     std::string GetMainName() const;
 991     chapter_item_c * FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current );
 992
 993     bool                        b_ordered;
 994 };
 995
 996 class matroska_segment_c
 997 {
 998 public:
 999     matroska_segment_c( demux_sys_t & demuxer, EbmlStream & estream )
1000         :segment(NULL)
1001         ,es(estream)
1002         ,i_timescale(MKVD_TIMECODESCALE)
1003         ,i_duration(-1)
1004         ,i_start_time(0)
1005         ,i_cues_position(-1)
1006         ,i_chapters_position(-1)
1007         ,i_tags_position(-1)
1008         ,cluster(NULL)
1009         ,i_block_pos(0)
1010         ,i_cluster_pos(0)
1011         ,i_start_pos(0)
1012         ,p_segment_uid(NULL)
1013         ,p_prev_segment_uid(NULL)
1014         ,p_next_segment_uid(NULL)
1015         ,b_cues(VLC_FALSE)
1016         ,i_index(0)
1017         ,i_index_max(1024)
1018         ,psz_muxing_application(NULL)
1019         ,psz_writing_application(NULL)
1020         ,psz_segment_filename(NULL)
1021         ,psz_title(NULL)
1022         ,psz_date_utc(NULL)
1023         ,i_default_edition(0)
1024         ,sys(demuxer)
1025         ,ep(NULL)
1026         ,b_preloaded(false)
1027     {
1028         p_indexes = (mkv_index_t*)malloc( sizeof( mkv_index_t ) * i_index_max );
1029     }
1030
1031     virtual ~matroska_segment_c()
1032     {
1033         for( size_t i_track = 0; i_track < tracks.size(); i_track++ )
1034         {
1035             if ( tracks[i_track]->p_compression_data )
1036             {
1037                 delete tracks[i_track]->p_compression_data;
1038             }
1039             if( tracks[i_track]->fmt.psz_description )
1040             {
1041                 free( tracks[i_track]->fmt.psz_description );
1042             }
1043             if( tracks[i_track]->psz_codec )
1044             {
1045                 free( tracks[i_track]->psz_codec );
1046             }
1047             if( tracks[i_track]->fmt.psz_language )
1048             {
1049                 free( tracks[i_track]->fmt.psz_language );
1050             }
1051             delete tracks[i_track];
1052         }
1053
1054         if( psz_writing_application )
1055         {
1056             free( psz_writing_application );
1057         }
1058         if( psz_muxing_application )
1059         {
1060             free( psz_muxing_application );
1061         }
1062         if( psz_segment_filename )
1063         {
1064             free( psz_segment_filename );
1065         }
1066         if( psz_title )
1067         {
1068             free( psz_title );
1069         }
1070         if( psz_date_utc )
1071         {
1072             free( psz_date_utc );
1073         }
1074         if ( p_indexes )
1075             free( p_indexes );
1076
1077         delete ep;
1078         delete segment;
1079         delete p_segment_uid;
1080         delete p_prev_segment_uid;
1081         delete p_next_segment_uid;
1082
1083         std::vector<chapter_edition_c*>::iterator index = stored_editions.begin();
1084         while ( index != stored_editions.end() )
1085         {
1086             delete (*index);
1087             index++;
1088         }
1089         std::vector<chapter_translation_c*>::iterator indext = translations.begin();
1090         while ( indext != translations.end() )
1091         {
1092             delete (*indext);
1093             indext++;
1094         }
1095         std::vector<KaxSegmentFamily*>::iterator indexf = families.begin();
1096         while ( indexf != families.end() )
1097         {
1098             delete (*indexf);
1099             indexf++;
1100         }
1101     }
1102
1103     KaxSegment              *segment;
1104     EbmlStream              & es;
1105
1106     /* time scale */
1107     uint64_t                i_timescale;
1108
1109     /* duration of the segment */
1110     mtime_t                 i_duration;
1111     mtime_t                 i_start_time;
1112
1113     /* all tracks */
1114     std::vector<mkv_track_t*> tracks;
1115
1116     /* from seekhead */
1117     int64_t                 i_cues_position;
1118     int64_t                 i_chapters_position;
1119     int64_t                 i_tags_position;
1120
1121     KaxCluster              *cluster;
1122     uint64                  i_block_pos;
1123     uint64                  i_cluster_pos;
1124     int64_t                 i_start_pos;
1125     KaxSegmentUID           *p_segment_uid;
1126     KaxPrevUID              *p_prev_segment_uid;
1127     KaxNextUID              *p_next_segment_uid;
1128
1129     vlc_bool_t              b_cues;
1130     int                     i_index;
1131     int                     i_index_max;
1132     mkv_index_t             *p_indexes;
1133
1134     /* info */
1135     char                    *psz_muxing_application;
1136     char                    *psz_writing_application;
1137     char                    *psz_segment_filename;
1138     char                    *psz_title;
1139     char                    *psz_date_utc;
1140
1141     /* !!!!! GCC 3.3 bug on Darwin !!!!! */
1142     /* when you remove this variable the compiler issues an atomicity error */
1143     /* this variable only works when using std::vector<chapter_edition_c> */
1144     std::vector<chapter_edition_c*> stored_editions;
1145     int                             i_default_edition;
1146
1147     std::vector<chapter_translation_c*> translations;
1148     std::vector<KaxSegmentFamily*>  families;
1149
1150     demux_sys_t                    & sys;
1151     EbmlParser                     *ep;
1152     bool                           b_preloaded;
1153
1154     bool Preload( );
1155     bool PreloadFamily( const matroska_segment_c & segment );
1156     void ParseInfo( KaxInfo *info );
1157     void ParseChapters( KaxChapters *chapters );
1158     void ParseSeekHead( KaxSeekHead *seekhead );
1159     void ParseTracks( KaxTracks *tracks );
1160     void ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters );
1161     void ParseTrackEntry( KaxTrackEntry *m );
1162     void ParseCluster( );
1163     void IndexAppendCluster( KaxCluster *cluster );
1164     void LoadCues( );
1165     void LoadTags( );
1166     void InformationCreate( );
1167     void Seek( mtime_t i_date, mtime_t i_time_offset );
1168 #if LIBMATROSKA_VERSION >= 0x000800
1169     int BlockGet( KaxBlock * &, KaxSimpleBlock * &, int64_t *, int64_t *, int64_t *);
1170 #else
1171     int BlockGet( KaxBlock * &, int64_t *, int64_t *, int64_t *);
1172 #endif
1173     bool Select( mtime_t i_start_time );
1174     void UnSelect( );
1175
1176     static bool CompareSegmentUIDs( const matroska_segment_c * item_a, const matroska_segment_c * item_b );
1177 };
1178
1179 // class holding hard-linked segment together in the playback order
1180 class virtual_segment_c
1181 {
1182 public:
1183     virtual_segment_c( matroska_segment_c *p_segment )
1184         :p_editions(NULL)
1185         ,i_sys_title(0)
1186         ,i_current_segment(0)
1187         ,i_current_edition(-1)
1188         ,psz_current_chapter(NULL)
1189     {
1190         linked_segments.push_back( p_segment );
1191
1192         AppendUID( p_segment->p_segment_uid );
1193         AppendUID( p_segment->p_prev_segment_uid );
1194         AppendUID( p_segment->p_next_segment_uid );
1195     }
1196
1197     void Sort();
1198     size_t AddSegment( matroska_segment_c *p_segment );
1199     void PreloadLinked( );
1200     mtime_t Duration( ) const;
1201     void LoadCues( );
1202     void Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter );
1203
1204     inline chapter_edition_c *Edition()
1205     {
1206         if ( i_current_edition >= 0 && size_t(i_current_edition) < p_editions->size() )
1207             return (*p_editions)[i_current_edition];
1208         return NULL;
1209     }
1210
1211     matroska_segment_c * Segment() const
1212     {
1213         if ( linked_segments.size() == 0 || i_current_segment >= linked_segments.size() )
1214             return NULL;
1215         return linked_segments[i_current_segment];
1216     }
1217
1218     inline chapter_item_c *CurrentChapter() {
1219         return psz_current_chapter;
1220     }
1221
1222     bool SelectNext()
1223     {
1224         if ( i_current_segment < linked_segments.size()-1 )
1225         {
1226             i_current_segment++;
1227             return true;
1228         }
1229         return false;
1230     }
1231
1232     bool FindUID( KaxSegmentUID & uid ) const
1233     {
1234         for ( size_t i=0; i<linked_uids.size(); i++ )
1235         {
1236             if ( linked_uids[i] == uid )
1237                 return true;
1238         }
1239         return false;
1240     }
1241
1242     bool UpdateCurrentToChapter( demux_t & demux );
1243     void PrepareChapters( );
1244
1245     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
1246                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
1247                                         const void *p_cookie,
1248                                         size_t i_cookie_size );
1249     chapter_item_c *FindChapter( int64_t i_find_uid );
1250
1251     std::vector<chapter_edition_c*>  *p_editions;
1252     int                              i_sys_title;
1253
1254 protected:
1255     std::vector<matroska_segment_c*> linked_segments;
1256     std::vector<KaxSegmentUID>       linked_uids;
1257     size_t                           i_current_segment;
1258
1259     int                              i_current_edition;
1260     chapter_item_c                   *psz_current_chapter;
1261
1262     void                             AppendUID( const EbmlBinary * UID );
1263 };
1264
1265 class matroska_stream_c
1266 {
1267 public:
1268     matroska_stream_c( demux_sys_t & demuxer )
1269         :p_in(NULL)
1270         ,p_es(NULL)
1271         ,sys(demuxer)
1272     {}
1273
1274     virtual ~matroska_stream_c()
1275     {
1276         delete p_in;
1277         delete p_es;
1278     }
1279
1280     IOCallback         *p_in;
1281     EbmlStream         *p_es;
1282
1283     std::vector<matroska_segment_c*> segments;
1284
1285     demux_sys_t                      & sys;
1286 };
1287
1288 typedef struct
1289 {
1290     VLC_COMMON_MEMBERS
1291
1292     demux_t        *p_demux;
1293     vlc_mutex_t     lock;
1294
1295     vlc_bool_t      b_moved;
1296     vlc_bool_t      b_clicked;
1297     vlc_bool_t      b_key;
1298
1299 } event_thread_t;
1300
1301 class demux_sys_t
1302 {
1303 public:
1304     demux_sys_t( demux_t & demux )
1305         :demuxer(demux)
1306         ,i_pts(0)
1307         ,i_start_pts(0)
1308         ,i_chapter_time(0)
1309         ,meta(NULL)
1310         ,i_current_title(0)
1311         ,p_current_segment(NULL)
1312         ,dvd_interpretor( *this )
1313         ,f_duration(-1.0)
1314         ,b_ui_hooked(false)
1315         ,p_input(NULL)
1316         ,b_pci_packet_set(false)
1317         ,p_ev(NULL)
1318     {
1319         vlc_mutex_init( &demuxer, &lock_demuxer );
1320     }
1321
1322     virtual ~demux_sys_t()
1323     {
1324         StopUiThread();
1325         size_t i;
1326         for ( i=0; i<streams.size(); i++ )
1327             delete streams[i];
1328         for ( i=0; i<opened_segments.size(); i++ )
1329             delete opened_segments[i];
1330         for ( i=0; i<used_segments.size(); i++ )
1331             delete used_segments[i];
1332         vlc_mutex_destroy( &lock_demuxer );
1333     }
1334
1335     /* current data */
1336     demux_t                 & demuxer;
1337
1338     mtime_t                 i_pts;
1339     mtime_t                 i_start_pts;
1340     mtime_t                 i_chapter_time;
1341
1342     vlc_meta_t              *meta;
1343
1344     std::vector<input_title_t*>      titles; // matroska editions
1345     size_t                           i_current_title;
1346
1347     std::vector<matroska_stream_c*>  streams;
1348     std::vector<matroska_segment_c*> opened_segments;
1349     std::vector<virtual_segment_c*>  used_segments;
1350     virtual_segment_c                *p_current_segment;
1351
1352     dvd_command_interpretor_c        dvd_interpretor;
1353
1354     /* duration of the stream */
1355     float                   f_duration;
1356
1357     matroska_segment_c *FindSegment( const EbmlBinary & uid ) const;
1358     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
1359                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
1360                                         const void *p_cookie,
1361                                         size_t i_cookie_size,
1362                                         virtual_segment_c * & p_segment_found );
1363     chapter_item_c *FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found );
1364
1365     void PreloadFamily( const matroska_segment_c & of_segment );
1366     void PreloadLinked( matroska_segment_c *p_segment );
1367     bool PreparePlayback( virtual_segment_c *p_new_segment );
1368     matroska_stream_c *AnalyseAllSegmentsFound( demux_t *p_demux, EbmlStream *p_estream, bool b_initial = false );
1369     void JumpTo( virtual_segment_c & p_segment, chapter_item_c * p_chapter );
1370
1371     void StartUiThread();
1372     void StopUiThread();
1373     bool b_ui_hooked;
1374     inline void SwapButtons();
1375
1376     /* for spu variables */
1377     input_thread_t *p_input;
1378     pci_t          pci_packet;
1379     bool           b_pci_packet_set;
1380     uint8_t        palette[4][4];
1381     vlc_mutex_t    lock_demuxer;
1382
1383     /* event */
1384     event_thread_t *p_ev;
1385     static int EventThread( vlc_object_t *p_this );
1386     static int EventMouse( vlc_object_t *p_this, char const *psz_var,
1387                        vlc_value_t oldval, vlc_value_t newval, void *p_data );
1388     static int EventKey( vlc_object_t *p_this, char const *psz_var,
1389                      vlc_value_t oldval, vlc_value_t newval, void *p_data );
1390
1391
1392
1393 protected:
1394     virtual_segment_c *VirtualFromSegments( matroska_segment_c *p_segment ) const;
1395     bool IsUsedSegment( matroska_segment_c &p_segment ) const;
1396 };
1397
1398 static int  Demux  ( demux_t * );
1399 static int  Control( demux_t *, int, va_list );
1400 static void Seek   ( demux_t *, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter );
1401
1402 #define MKV_IS_ID( el, C ) ( EbmlId( (*el) ) == C::ClassInfos.GlobalId )
1403
1404 static inline char * ToUTF8( const UTFstring &u )
1405 {
1406     return strdup( u.GetUTF8().c_str() );
1407 }
1408
1409 /*****************************************************************************
1410  * Open: initializes matroska demux structures
1411  *****************************************************************************/
1412 static int Open( vlc_object_t * p_this )
1413 {
1414     demux_t            *p_demux = (demux_t*)p_this;
1415     demux_sys_t        *p_sys;
1416     matroska_stream_c  *p_stream;
1417     matroska_segment_c *p_segment;
1418     uint8_t            *p_peek;
1419     std::string        s_path, s_filename;
1420     vlc_stream_io_callback *p_io_callback;
1421     EbmlStream         *p_io_stream;
1422
1423     /* peek the begining */
1424     if( stream_Peek( p_demux->s, &p_peek, 4 ) < 4 ) return VLC_EGENERIC;
1425
1426     /* is a valid file */
1427     if( p_peek[0] != 0x1a || p_peek[1] != 0x45 ||
1428         p_peek[2] != 0xdf || p_peek[3] != 0xa3 ) return VLC_EGENERIC;
1429
1430     /* Set the demux function */
1431     p_demux->pf_demux   = Demux;
1432     p_demux->pf_control = Control;
1433     p_demux->p_sys      = p_sys = new demux_sys_t( *p_demux );
1434
1435     p_io_callback = new vlc_stream_io_callback( p_demux->s, VLC_FALSE );
1436     p_io_stream = new EbmlStream( *p_io_callback );
1437
1438     if( p_io_stream == NULL )
1439     {
1440         msg_Err( p_demux, "failed to create EbmlStream" );
1441         delete p_io_callback;
1442         delete p_sys;
1443         return VLC_EGENERIC;
1444     }
1445
1446     p_stream = p_sys->AnalyseAllSegmentsFound( p_demux, p_io_stream, true );
1447     if( p_stream == NULL )
1448     {
1449         msg_Err( p_demux, "cannot find KaxSegment" );
1450         goto error;
1451     }
1452     p_sys->streams.push_back( p_stream );
1453
1454     p_stream->p_in = p_io_callback;
1455     p_stream->p_es = p_io_stream;
1456
1457     for (size_t i=0; i<p_stream->segments.size(); i++)
1458     {
1459         p_stream->segments[i]->Preload();
1460     }
1461
1462     p_segment = p_stream->segments[0];
1463     if( p_segment->cluster != NULL )
1464     {
1465         msg_Warn( p_demux, "cannot find any cluster, damaged file ?" );
1466
1467         // reset the stream reading to the first cluster of the segment used
1468         p_stream->p_in->setFilePointer( p_segment->cluster->GetElementPosition() );
1469     }
1470
1471     if (config_GetInt( p_demux, "mkv-preload-local-dir" ))
1472     {
1473         /* get the files from the same dir from the same family (based on p_demux->psz_path) */
1474         if (p_demux->psz_path[0] != '\0' && !strcmp(p_demux->psz_access, ""))
1475         {
1476             // assume it's a regular file
1477             // get the directory path
1478             s_path = p_demux->psz_path;
1479             if (s_path.at(s_path.length() - 1) == DIRECTORY_SEPARATOR)
1480             {
1481                 s_path = s_path.substr(0,s_path.length()-1);
1482             }
1483             else
1484             {
1485                 if (s_path.find_last_of(DIRECTORY_SEPARATOR) > 0)
1486                 {
1487                     s_path = s_path.substr(0,s_path.find_last_of(DIRECTORY_SEPARATOR));
1488                 }
1489             }
1490
1491             struct dirent *p_file_item;
1492             DIR *p_src_dir = opendir(s_path.c_str());
1493
1494             if (p_src_dir != NULL)
1495             {
1496                 while ((p_file_item = (dirent *) readdir(p_src_dir)))
1497                 {
1498                     if (strlen(p_file_item->d_name) > 4)
1499                     {
1500                         s_filename = s_path + DIRECTORY_SEPARATOR + p_file_item->d_name;
1501
1502 #ifdef WIN32
1503                         if (!strcasecmp(s_filename.c_str(), p_demux->psz_path))
1504 #else
1505                         if (!s_filename.compare(p_demux->psz_path))
1506 #endif
1507                             continue; // don't reuse the original opened file
1508
1509 #if defined(__GNUC__) && (__GNUC__ < 3)
1510                         if (!s_filename.compare("mkv", s_filename.length() - 3, 3) ||
1511                             !s_filename.compare("mka", s_filename.length() - 3, 3))
1512 #else
1513                         if (!s_filename.compare(s_filename.length() - 3, 3, "mkv") ||
1514                             !s_filename.compare(s_filename.length() - 3, 3, "mka"))
1515 #endif
1516                         {
1517                             // test wether this file belongs to our family
1518                             stream_t *p_file_stream = stream_UrlNew( p_demux, s_filename.c_str());
1519                             if ( p_file_stream != NULL )
1520                             {
1521                                 vlc_stream_io_callback *p_file_io = new vlc_stream_io_callback( p_file_stream, VLC_TRUE );
1522                                 EbmlStream *p_estream = new EbmlStream(*p_file_io);
1523
1524                                 p_stream = p_sys->AnalyseAllSegmentsFound( p_demux, p_estream );
1525
1526                                 if ( p_stream == NULL )
1527                                 {
1528                                     msg_Dbg( p_demux, "the file '%s' will not be used", s_filename.c_str() );
1529                                     delete p_estream;
1530                                     delete p_file_io;
1531                                 }
1532                                 else
1533                                 {
1534                                     p_stream->p_in = p_file_io;
1535                                     p_stream->p_es = p_estream;
1536                                     p_sys->streams.push_back( p_stream );
1537                                 }
1538                             }
1539                             else
1540                             {
1541                                 msg_Dbg( p_demux, "the file '%s' cannot be opened", s_filename.c_str() );
1542                             }
1543                         }
1544                     }
1545                 }
1546                 closedir( p_src_dir );
1547             }
1548         }
1549
1550         p_sys->PreloadFamily( *p_segment );
1551     }
1552
1553     p_sys->PreloadLinked( p_segment );
1554
1555     if ( !p_sys->PreparePlayback( NULL ) )
1556     {
1557         msg_Err( p_demux, "cannot use the segment" );
1558         goto error;
1559     }
1560
1561     p_sys->StartUiThread();
1562
1563     return VLC_SUCCESS;
1564
1565 error:
1566     delete p_sys;
1567     return VLC_EGENERIC;
1568 }
1569
1570 /*****************************************************************************
1571  * Close: frees unused data
1572  *****************************************************************************/
1573 static void Close( vlc_object_t *p_this )
1574 {
1575     demux_t     *p_demux = (demux_t*)p_this;
1576     demux_sys_t *p_sys   = p_demux->p_sys;
1577
1578     delete p_sys;
1579 }
1580
1581 /*****************************************************************************
1582  * Control:
1583  *****************************************************************************/
1584 static int Control( demux_t *p_demux, int i_query, va_list args )
1585 {
1586     demux_sys_t        *p_sys = p_demux->p_sys;
1587     int64_t     *pi64;
1588     double      *pf, f;
1589     int         i_skp;
1590     size_t      i_idx;
1591
1592     vlc_meta_t **pp_meta;
1593
1594     switch( i_query )
1595     {
1596         case DEMUX_GET_META:
1597             pp_meta = (vlc_meta_t**)va_arg( args, vlc_meta_t** );
1598             *pp_meta = vlc_meta_Duplicate( p_sys->meta );
1599             return VLC_SUCCESS;
1600
1601         case DEMUX_GET_LENGTH:
1602             pi64 = (int64_t*)va_arg( args, int64_t * );
1603             if( p_sys->f_duration > 0.0 )
1604             {
1605                 *pi64 = (int64_t)(p_sys->f_duration * 1000);
1606                 return VLC_SUCCESS;
1607             }
1608             return VLC_EGENERIC;
1609
1610         case DEMUX_GET_POSITION:
1611             pf = (double*)va_arg( args, double * );
1612             if ( p_sys->f_duration > 0.0 )
1613                 *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);
1614             return VLC_SUCCESS;
1615
1616         case DEMUX_SET_POSITION:
1617             f = (double)va_arg( args, double );
1618             Seek( p_demux, -1, f, NULL );
1619             return VLC_SUCCESS;
1620
1621         case DEMUX_GET_TIME:
1622             pi64 = (int64_t*)va_arg( args, int64_t * );
1623             *pi64 = p_sys->i_pts;
1624             return VLC_SUCCESS;
1625
1626         case DEMUX_GET_TITLE_INFO:
1627             if( p_sys->titles.size() )
1628             {
1629                 input_title_t ***ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
1630                 int *pi_int    = (int*)va_arg( args, int* );
1631
1632                 *pi_int = p_sys->titles.size();
1633                 *ppp_title = (input_title_t**)malloc( sizeof( input_title_t**) * p_sys->titles.size() );
1634
1635                 for( size_t i = 0; i < p_sys->titles.size(); i++ )
1636                 {
1637                     (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->titles[i] );
1638                 }
1639
1640                 return VLC_SUCCESS;
1641             }
1642             return VLC_EGENERIC;
1643
1644         case DEMUX_SET_TITLE:
1645             /* TODO handle editions as titles */
1646             i_idx = (int)va_arg( args, int );
1647             if( i_idx < p_sys->used_segments.size() )
1648             {
1649                 p_sys->JumpTo( *p_sys->used_segments[i_idx], NULL );
1650                 return VLC_SUCCESS;
1651             }
1652             return VLC_EGENERIC;
1653
1654         case DEMUX_SET_SEEKPOINT:
1655             i_skp = (int)va_arg( args, int );
1656
1657             // TODO change the way it works with the << & >> buttons on the UI (+1/-1 instead of a number)
1658             if( p_sys->titles.size() && i_skp < p_sys->titles[p_sys->i_current_title]->i_seekpoint)
1659             {
1660                 Seek( p_demux, (int64_t)p_sys->titles[p_sys->i_current_title]->seekpoint[i_skp]->i_time_offset, -1, NULL);
1661                 p_demux->info.i_seekpoint |= INPUT_UPDATE_SEEKPOINT;
1662                 p_demux->info.i_seekpoint = i_skp;
1663                 return VLC_SUCCESS;
1664             }
1665             return VLC_EGENERIC;
1666
1667         case DEMUX_SET_TIME:
1668         case DEMUX_GET_FPS:
1669         default:
1670             return VLC_EGENERIC;
1671     }
1672 }
1673
1674 #if LIBMATROSKA_VERSION >= 0x000800
1675 int matroska_segment_c::BlockGet( KaxBlock * & pp_block, KaxSimpleBlock * & pp_simpleblock, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration )
1676 #else
1677 int matroska_segment_c::BlockGet( KaxBlock * & pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration )
1678 #endif
1679 {
1680 #if LIBMATROSKA_VERSION >= 0x000800
1681     pp_simpleblock = NULL;
1682 #endif
1683     pp_block = NULL;
1684     *pi_ref1  = 0;
1685     *pi_ref2  = 0;
1686
1687     for( ;; )
1688     {
1689         EbmlElement *el = NULL;
1690         int         i_level;
1691
1692         if ( ep == NULL )
1693             return VLC_EGENERIC;
1694
1695 #if LIBMATROSKA_VERSION >= 0x000800
1696         if( pp_simpleblock != NULL || ((el = ep->Get()) == NULL && pp_block != NULL) )
1697 #else
1698         if( (el = ep->Get()) == NULL && pp_block != NULL )
1699 #endif
1700         {
1701             /* update the index */
1702 #define idx p_indexes[i_index - 1]
1703             if( i_index > 0 && idx.i_time == -1 )
1704             {
1705 #if LIBMATROSKA_VERSION >= 0x000800
1706                 if ( pp_simpleblock != NULL )
1707                     idx.i_time        = pp_simpleblock->GlobalTimecode() / (mtime_t)1000;
1708                 else
1709 #endif
1710                     idx.i_time        = (*pp_block).GlobalTimecode() / (mtime_t)1000;
1711                 idx.b_key         = *pi_ref1 == 0 ? VLC_TRUE : VLC_FALSE;
1712             }
1713 #undef idx
1714             return VLC_SUCCESS;
1715         }
1716
1717         i_level = ep->GetLevel();
1718
1719         if( el == NULL )
1720         {
1721             if( i_level > 1 )
1722             {
1723                 ep->Up();
1724                 continue;
1725             }
1726             msg_Warn( &sys.demuxer, "EOF" );
1727             return VLC_EGENERIC;
1728         }
1729
1730         /* do parsing */
1731         switch ( i_level )
1732         {
1733         case 1:
1734             if( MKV_IS_ID( el, KaxCluster ) )
1735             {
1736                 cluster = (KaxCluster*)el;
1737                 i_cluster_pos = cluster->GetElementPosition();
1738
1739                 /* add it to the index */
1740                 if( i_index == 0 ||
1741                     ( i_index > 0 && p_indexes[i_index - 1].i_position < (int64_t)cluster->GetElementPosition() ) )
1742                 {
1743                     IndexAppendCluster( cluster );
1744                 }
1745
1746                 // reset silent tracks
1747                 for (size_t i=0; i<tracks.size(); i++)
1748                 {
1749                     tracks[i]->b_silent = VLC_FALSE;
1750                 }
1751
1752                 ep->Down();
1753             }
1754             else if( MKV_IS_ID( el, KaxCues ) )
1755             {
1756                 msg_Warn( &sys.demuxer, "find KaxCues FIXME" );
1757                 return VLC_EGENERIC;
1758             }
1759             else
1760             {
1761                 msg_Dbg( &sys.demuxer, "unknown (%s)", typeid( el ).name() );
1762             }
1763             break;
1764         case 2:
1765             if( MKV_IS_ID( el, KaxClusterTimecode ) )
1766             {
1767                 KaxClusterTimecode &ctc = *(KaxClusterTimecode*)el;
1768
1769                 ctc.ReadData( es.I_O(), SCOPE_ALL_DATA );
1770                 cluster->InitTimecode( uint64( ctc ), i_timescale );
1771             }
1772             else if( MKV_IS_ID( el, KaxClusterSilentTracks ) )
1773             {
1774                 ep->Down();
1775             }
1776             else if( MKV_IS_ID( el, KaxBlockGroup ) )
1777             {
1778                 i_block_pos = el->GetElementPosition();
1779                 ep->Down();
1780             }
1781 #if LIBMATROSKA_VERSION >= 0x000800
1782             else if( MKV_IS_ID( el, KaxSimpleBlock ) )
1783             {
1784                 pp_simpleblock = (KaxSimpleBlock*)el;
1785
1786                 pp_simpleblock->ReadData( es.I_O() );
1787                 pp_simpleblock->SetParent( *cluster );
1788             }
1789 #endif
1790             break;
1791         case 3:
1792             if( MKV_IS_ID( el, KaxBlock ) )
1793             {
1794                 pp_block = (KaxBlock*)el;
1795
1796                 pp_block->ReadData( es.I_O() );
1797                 pp_block->SetParent( *cluster );
1798
1799                 ep->Keep();
1800             }
1801             else if( MKV_IS_ID( el, KaxBlockDuration ) )
1802             {
1803                 KaxBlockDuration &dur = *(KaxBlockDuration*)el;
1804
1805                 dur.ReadData( es.I_O() );
1806                 *pi_duration = uint64( dur );
1807             }
1808             else if( MKV_IS_ID( el, KaxReferenceBlock ) )
1809             {
1810                 KaxReferenceBlock &ref = *(KaxReferenceBlock*)el;
1811
1812                 ref.ReadData( es.I_O() );
1813                 if( *pi_ref1 == 0 )
1814                 {
1815                     *pi_ref1 = int64( ref ) * cluster->GlobalTimecodeScale();
1816                 }
1817                 else if( *pi_ref2 == 0 )
1818                 {
1819                     *pi_ref2 = int64( ref ) * cluster->GlobalTimecodeScale();
1820                 }
1821             }
1822             else if( MKV_IS_ID( el, KaxClusterSilentTrackNumber ) )
1823             {
1824                 KaxClusterSilentTrackNumber &track_num = *(KaxClusterSilentTrackNumber*)el;
1825                 track_num.ReadData( es.I_O() );
1826                 // find the track
1827                 for (size_t i=0; i<tracks.size(); i++)
1828                 {
1829                     if ( tracks[i]->i_number == uint32(track_num))
1830                     {
1831                         tracks[i]->b_silent = VLC_TRUE;
1832                         break;
1833                     }
1834                 }
1835             }
1836             break;
1837         default:
1838             msg_Err( &sys.demuxer, "invalid level = %d", i_level );
1839             return VLC_EGENERIC;
1840         }
1841     }
1842 }
1843
1844 static block_t *MemToBlock( demux_t *p_demux, uint8_t *p_mem, int i_mem, size_t offset)
1845 {
1846     block_t *p_block;
1847     if( !(p_block = block_New( p_demux, i_mem + offset ) ) ) return NULL;
1848     memcpy( p_block->p_buffer + offset, p_mem, i_mem );
1849     //p_block->i_rate = p_input->stream.control.i_rate;
1850     return p_block;
1851 }
1852
1853 #if LIBMATROSKA_VERSION >= 0x000800
1854 static void BlockDecode( demux_t *p_demux, KaxBlock *block, KaxSimpleBlock *simpleblock,
1855                          mtime_t i_pts, mtime_t i_duration, bool f_mandatory )
1856 #else
1857 static void BlockDecode( demux_t *p_demux, KaxBlock *block, mtime_t i_pts,
1858                          mtime_t i_duration, bool f_mandatory )
1859 #endif
1860 {
1861     demux_sys_t        *p_sys = p_demux->p_sys;
1862     matroska_segment_c *p_segment = p_sys->p_current_segment->Segment();
1863
1864     size_t          i_track;
1865     unsigned int    i;
1866     vlc_bool_t      b;
1867
1868 #define tk  p_segment->tracks[i_track]
1869     for( i_track = 0; i_track < p_segment->tracks.size(); i_track++ )
1870     {
1871 #if LIBMATROSKA_VERSION >= 0x000800
1872         if( (block != NULL && tk->i_number == block->TrackNum()) ||
1873             (simpleblock != NULL && tk->i_number == simpleblock->TrackNum()))
1874 #else
1875         if( tk->i_number == block->TrackNum() )
1876 #endif
1877         {
1878             break;
1879         }
1880     }
1881
1882     if( i_track >= p_segment->tracks.size() )
1883     {
1884         msg_Err( p_demux, "invalid track number=%d", block->TrackNum() );
1885         return;
1886     }
1887     if( tk->fmt.i_cat != NAV_ES && tk->p_es == NULL )
1888     {
1889         msg_Err( p_demux, "unknown track number=%d", block->TrackNum() );
1890         return;
1891     }
1892     if( i_pts + i_duration < p_sys->i_start_pts && tk->fmt.i_cat == AUDIO_ES )
1893     {
1894         return; /* discard audio packets that shouldn't be rendered */
1895     }
1896
1897     if ( tk->fmt.i_cat != NAV_ES )
1898     {
1899         es_out_Control( p_demux->out, ES_OUT_GET_ES_STATE, tk->p_es, &b );
1900
1901         if( !b )
1902         {
1903             tk->b_inited = VLC_FALSE;
1904             return;
1905         }
1906     }
1907
1908
1909     /* First send init data */
1910     if( !tk->b_inited && tk->i_data_init > 0 )
1911     {
1912         block_t *p_init;
1913
1914         msg_Dbg( p_demux, "sending header (%d bytes)", tk->i_data_init );
1915         p_init = MemToBlock( p_demux, tk->p_data_init, tk->i_data_init, 0 );
1916         if( p_init ) es_out_Send( p_demux->out, tk->p_es, p_init );
1917     }
1918     tk->b_inited = VLC_TRUE;
1919
1920
1921 #if LIBMATROSKA_VERSION >= 0x000800
1922     for( i = 0;
1923         (block != NULL && i < block->NumberFrames()) || (simpleblock != NULL && i < simpleblock->NumberFrames());
1924         i++ )
1925 #else
1926     for( i = 0; i < block->NumberFrames(); i++ )
1927 #endif
1928     {
1929         block_t *p_block;
1930         DataBuffer *data;
1931 #if LIBMATROSKA_VERSION >= 0x000800
1932         if ( simpleblock != NULL )
1933         {
1934             data = &simpleblock->GetBuffer(i);
1935             // condition when the DTS is correct (keyframe or B frame == NOT P frame)
1936             f_mandatory = simpleblock->IsDiscardable() || simpleblock->IsKeyframe();
1937         }
1938         else
1939 #endif
1940         data = &block->GetBuffer(i);
1941
1942         if( tk->i_compression_type == MATROSKA_COMPRESSION_HEADER && tk->p_compression_data != NULL )
1943             p_block = MemToBlock( p_demux, data->Buffer(), data->Size(), tk->p_compression_data->GetSize() );
1944         else
1945             p_block = MemToBlock( p_demux, data->Buffer(), data->Size(), 0 );
1946
1947         if( p_block == NULL )
1948         {
1949             break;
1950         }
1951
1952 #if defined(HAVE_ZLIB_H)
1953         if( tk->i_compression_type == MATROSKA_COMPRESSION_ZLIB )
1954         {
1955             p_block = block_zlib_decompress( VLC_OBJECT(p_demux), p_block );
1956         }
1957         else
1958 #endif
1959         if( tk->i_compression_type == MATROSKA_COMPRESSION_HEADER )
1960         {
1961             memcpy( p_block->p_buffer, tk->p_compression_data->GetBuffer(), tk->p_compression_data->GetSize() );
1962         }
1963
1964         if ( tk->fmt.i_cat == NAV_ES )
1965         {
1966             // TODO handle the start/stop times of this packet
1967             if ( p_sys->b_ui_hooked )
1968             {
1969                 vlc_mutex_lock( &p_sys->p_ev->lock );
1970                 memcpy( &p_sys->pci_packet, &p_block->p_buffer[1], sizeof(pci_t) );
1971                 p_sys->SwapButtons();
1972                 p_sys->b_pci_packet_set = true;
1973                 vlc_mutex_unlock( &p_sys->p_ev->lock );
1974                 block_Release( p_block );
1975             }
1976             return;
1977         }
1978         // correct timestamping when B frames are used
1979         if( tk->fmt.i_cat != VIDEO_ES )
1980         {
1981             p_block->i_dts = p_block->i_pts = i_pts;
1982         }
1983         else
1984         {
1985             if( !strcmp( tk->psz_codec, "V_MS/VFW/FOURCC" ) )
1986             {
1987                 // in VFW we have no idea about B frames
1988                 p_block->i_pts = 0;
1989                 p_block->i_dts = i_pts;
1990             }
1991             else
1992             {
1993                 p_block->i_pts = i_pts;
1994                 if ( f_mandatory )
1995                     p_block->i_dts = p_block->i_pts;
1996                 else
1997                     p_block->i_dts = min( i_pts, tk->i_last_dts + (tk->i_default_duration >> 10));
1998                 p_sys->i_pts = p_block->i_dts;
1999             }
2000         }
2001         tk->i_last_dts = p_block->i_dts;
2002
2003 #if 0
2004 msg_Dbg( p_demux, "block i_dts: "I64Fd" / i_pts: "I64Fd, p_block->i_dts, p_block->i_pts);
2005 #endif
2006         if( strcmp( tk->psz_codec, "S_VOBSUB" ) )
2007         {
2008             p_block->i_length = i_duration * 1000;
2009         }
2010
2011         es_out_Send( p_demux->out, tk->p_es, p_block );
2012
2013         /* use time stamp only for first block */
2014         i_pts = 0;
2015     }
2016
2017 #undef tk
2018 }
2019
2020 matroska_stream_c *demux_sys_t::AnalyseAllSegmentsFound( demux_t *p_demux, EbmlStream *p_estream, bool b_initial )
2021 {
2022     int i_upper_lvl = 0;
2023     size_t i;
2024     EbmlElement *p_l0, *p_l1, *p_l2;
2025     bool b_keep_stream = false, b_keep_segment;
2026
2027     // verify the EBML Header
2028     p_l0 = p_estream->FindNextID(EbmlHead::ClassInfos, 0xFFFFFFFFL);
2029     if (p_l0 == NULL)
2030     {
2031         msg_Err( p_demux, "No EBML header found" );
2032         return NULL;
2033     }
2034
2035     // verify we can read this Segment, we only support Matroska version 1 for now
2036     p_l0->Read(*p_estream, EbmlHead::ClassInfos.Context, i_upper_lvl, p_l0, true);
2037
2038     EDocType doc_type = GetChild<EDocType>(*static_cast<EbmlHead*>(p_l0));
2039     if (std::string(doc_type) != "matroska")
2040     {
2041         msg_Err( p_demux, "Not a Matroska file : DocType = %s ", std::string(doc_type).c_str());
2042         return NULL;
2043     }
2044
2045     EDocTypeReadVersion doc_read_version = GetChild<EDocTypeReadVersion>(*static_cast<EbmlHead*>(p_l0));
2046 #if LIBMATROSKA_VERSION >= 0x000800
2047     if (uint64(doc_read_version) > 2)
2048     {
2049         msg_Err( p_demux, "This matroska file is needs version "I64Fd" and this VLC only supports version 1 & 2", uint64(doc_read_version));
2050         return NULL;
2051     }
2052 #else
2053     if (uint64(doc_read_version) != 1)
2054     {
2055         msg_Err( p_demux, "This matroska file is needs version "I64Fd" and this VLC only supports version 1", uint64(doc_read_version));
2056         return NULL;
2057     }
2058 #endif
2059
2060     delete p_l0;
2061
2062
2063     // find all segments in this file
2064     p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFFLL);
2065     if (p_l0 == NULL)
2066     {
2067         return NULL;
2068     }
2069
2070     matroska_stream_c *p_stream1 = new matroska_stream_c( *this );
2071
2072     while (p_l0 != 0)
2073     {
2074         if (EbmlId(*p_l0) == KaxSegment::ClassInfos.GlobalId)
2075         {
2076             EbmlParser  *ep;
2077             matroska_segment_c *p_segment1 = new matroska_segment_c( *this, *p_estream );
2078             b_keep_segment = b_initial;
2079
2080             ep = new EbmlParser(p_estream, p_l0, &demuxer );
2081             p_segment1->ep = ep;
2082             p_segment1->segment = (KaxSegment*)p_l0;
2083
2084             while ((p_l1 = ep->Get()))
2085             {
2086                 if (MKV_IS_ID(p_l1, KaxInfo))
2087                 {
2088                     // find the families of this segment
2089                     KaxInfo *p_info = static_cast<KaxInfo*>(p_l1);
2090
2091                     p_info->Read(*p_estream, KaxInfo::ClassInfos.Context, i_upper_lvl, p_l2, true);
2092                     for( i = 0; i < p_info->ListSize(); i++ )
2093                     {
2094                         EbmlElement *l = (*p_info)[i];
2095
2096                         if( MKV_IS_ID( l, KaxSegmentUID ) )
2097                         {
2098                             KaxSegmentUID *p_uid = static_cast<KaxSegmentUID*>(l);
2099                             b_keep_segment = (FindSegment( *p_uid ) == NULL);
2100                             if ( !b_keep_segment )
2101                                 break; // this segment is already known
2102                             opened_segments.push_back( p_segment1 );
2103                             delete p_segment1->p_segment_uid;
2104                             p_segment1->p_segment_uid = new KaxSegmentUID(*p_uid);
2105                         }
2106                         else if( MKV_IS_ID( l, KaxPrevUID ) )
2107                         {
2108                             p_segment1->p_prev_segment_uid = new KaxPrevUID( *static_cast<KaxPrevUID*>(l) );
2109                         }
2110                         else if( MKV_IS_ID( l, KaxNextUID ) )
2111                         {
2112                             p_segment1->p_next_segment_uid = new KaxNextUID( *static_cast<KaxNextUID*>(l) );
2113                         }
2114                         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
2115                         {
2116                             KaxSegmentFamily *p_fam = new KaxSegmentFamily( *static_cast<KaxSegmentFamily*>(l) );
2117                             p_segment1->families.push_back( p_fam );
2118                         }
2119                     }
2120                     break;
2121                 }
2122             }
2123             if ( b_keep_segment )
2124             {
2125                 b_keep_stream = true;
2126                 p_stream1->segments.push_back( p_segment1 );
2127             }
2128             else
2129                 delete p_segment1;
2130         }
2131         if (p_l0->IsFiniteSize() )
2132         {
2133             p_l0->SkipData(*p_estream, KaxMatroska_Context);
2134             p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFL);
2135         }
2136         else
2137             p_l0 = p_l0->SkipData(*p_estream, KaxSegment_Context);
2138     }
2139
2140     if ( !b_keep_stream )
2141     {
2142         delete p_stream1;
2143         p_stream1 = NULL;
2144     }
2145
2146     return p_stream1;
2147 }
2148
2149 bool matroska_segment_c::Select( mtime_t i_start_time )
2150 {
2151     size_t i_track;
2152
2153     /* add all es */
2154     msg_Dbg( &sys.demuxer, "found %d es", (int)tracks.size() );
2155     sys.b_pci_packet_set = false;
2156
2157     for( i_track = 0; i_track < tracks.size(); i_track++ )
2158     {
2159         if( tracks[i_track]->fmt.i_cat == UNKNOWN_ES )
2160         {
2161             msg_Warn( &sys.demuxer, "invalid track[%d, n=%d]", (int)i_track, tracks[i_track]->i_number );
2162             tracks[i_track]->p_es = NULL;
2163             continue;
2164         }
2165
2166         if( !strcmp( tracks[i_track]->psz_codec, "V_MS/VFW/FOURCC" ) )
2167         {
2168             if( tracks[i_track]->i_extra_data < (int)sizeof( BITMAPINFOHEADER ) )
2169             {
2170                 msg_Err( &sys.demuxer, "missing/invalid BITMAPINFOHEADER" );
2171                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2172             }
2173             else
2174             {
2175                 BITMAPINFOHEADER *p_bih = (BITMAPINFOHEADER*)tracks[i_track]->p_extra_data;
2176
2177                 tracks[i_track]->fmt.video.i_width = GetDWLE( &p_bih->biWidth );
2178                 tracks[i_track]->fmt.video.i_height= GetDWLE( &p_bih->biHeight );
2179                 tracks[i_track]->fmt.i_codec       = GetFOURCC( &p_bih->biCompression );
2180
2181                 tracks[i_track]->fmt.i_extra       = GetDWLE( &p_bih->biSize ) - sizeof( BITMAPINFOHEADER );
2182                 if( tracks[i_track]->fmt.i_extra > 0 )
2183                 {
2184                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2185                     memcpy( tracks[i_track]->fmt.p_extra, &p_bih[1], tracks[i_track]->fmt.i_extra );
2186                 }
2187             }
2188         }
2189         else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG1" ) ||
2190                  !strcmp( tracks[i_track]->psz_codec, "V_MPEG2" ) )
2191         {
2192             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'v' );
2193         }
2194         else if( !strncmp( tracks[i_track]->psz_codec, "V_MPEG4", 7 ) )
2195         {
2196             if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/MS/V3" ) )
2197             {
2198                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'D', 'I', 'V', '3' );
2199             }
2200             else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/ISO/AVC" ) )
2201             {
2202                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'v', 'c', '1' );
2203                 tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2204                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2205                 memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2206             }
2207             else
2208             {
2209                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' );
2210             }
2211         }
2212         else if( !strcmp( tracks[i_track]->psz_codec, "V_QUICKTIME" ) )
2213         {
2214             MP4_Box_t *p_box = (MP4_Box_t*)malloc( sizeof( MP4_Box_t ) );
2215             stream_t *p_mp4_stream = stream_MemoryNew( VLC_OBJECT(&sys.demuxer),
2216                                                        tracks[i_track]->p_extra_data,
2217                                                        tracks[i_track]->i_extra_data,
2218                                                        VLC_FALSE );
2219             MP4_ReadBoxCommon( p_mp4_stream, p_box );
2220             MP4_ReadBox_sample_vide( p_mp4_stream, p_box );
2221             tracks[i_track]->fmt.i_codec = p_box->i_type;
2222             tracks[i_track]->fmt.video.i_width = p_box->data.p_sample_vide->i_width;
2223             tracks[i_track]->fmt.video.i_height = p_box->data.p_sample_vide->i_height;
2224             tracks[i_track]->fmt.i_extra = p_box->data.p_sample_vide->i_qt_image_description;
2225             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2226             memcpy( tracks[i_track]->fmt.p_extra, p_box->data.p_sample_vide->p_qt_image_description, tracks[i_track]->fmt.i_extra );
2227             MP4_FreeBox_sample_vide( p_box );
2228             stream_Delete( p_mp4_stream );
2229         }
2230         else if( !strcmp( tracks[i_track]->psz_codec, "A_MS/ACM" ) )
2231         {
2232             if( tracks[i_track]->i_extra_data < (int)sizeof( WAVEFORMATEX ) )
2233             {
2234                 msg_Err( &sys.demuxer, "missing/invalid WAVEFORMATEX" );
2235                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2236             }
2237             else
2238             {
2239                 WAVEFORMATEX *p_wf = (WAVEFORMATEX*)tracks[i_track]->p_extra_data;
2240
2241                 wf_tag_to_fourcc( GetWLE( &p_wf->wFormatTag ), &tracks[i_track]->fmt.i_codec, NULL );
2242
2243                 tracks[i_track]->fmt.audio.i_channels   = GetWLE( &p_wf->nChannels );
2244                 tracks[i_track]->fmt.audio.i_rate = GetDWLE( &p_wf->nSamplesPerSec );
2245                 tracks[i_track]->fmt.i_bitrate    = GetDWLE( &p_wf->nAvgBytesPerSec ) * 8;
2246                 tracks[i_track]->fmt.audio.i_blockalign = GetWLE( &p_wf->nBlockAlign );;
2247                 tracks[i_track]->fmt.audio.i_bitspersample = GetWLE( &p_wf->wBitsPerSample );
2248
2249                 tracks[i_track]->fmt.i_extra            = GetWLE( &p_wf->cbSize );
2250                 if( tracks[i_track]->fmt.i_extra > 0 )
2251                 {
2252                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2253                     memcpy( tracks[i_track]->fmt.p_extra, &p_wf[1], tracks[i_track]->fmt.i_extra );
2254                 }
2255             }
2256         }
2257         else if( !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L3" ) ||
2258                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L2" ) ||
2259                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L1" ) )
2260         {
2261             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' );
2262         }
2263         else if( !strcmp( tracks[i_track]->psz_codec, "A_AC3" ) )
2264         {
2265             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' );
2266         }
2267         else if( !strcmp( tracks[i_track]->psz_codec, "A_DTS" ) )
2268         {
2269             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'd', 't', 's', ' ' );
2270         }
2271         else if( !strcmp( tracks[i_track]->psz_codec, "A_FLAC" ) )
2272         {
2273             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'f', 'l', 'a', 'c' );
2274             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2275             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2276             memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2277         }
2278         else if( !strcmp( tracks[i_track]->psz_codec, "A_VORBIS" ) )
2279         {
2280             int i, i_offset = 1, i_size[3], i_extra;
2281             uint8_t *p_extra;
2282
2283             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'v', 'o', 'r', 'b' );
2284
2285             /* Split the 3 headers */
2286             if( tracks[i_track]->p_extra_data[0] != 0x02 )
2287                 msg_Err( &sys.demuxer, "invalid vorbis header" );
2288
2289             for( i = 0; i < 2; i++ )
2290             {
2291                 i_size[i] = 0;
2292                 while( i_offset < tracks[i_track]->i_extra_data )
2293                 {
2294                     i_size[i] += tracks[i_track]->p_extra_data[i_offset];
2295                     if( tracks[i_track]->p_extra_data[i_offset++] != 0xff ) break;
2296                 }
2297             }
2298
2299             i_size[0] = __MIN(i_size[0], tracks[i_track]->i_extra_data - i_offset);
2300             i_size[1] = __MIN(i_size[1], tracks[i_track]->i_extra_data -i_offset -i_size[0]);
2301             i_size[2] = tracks[i_track]->i_extra_data - i_offset - i_size[0] - i_size[1];
2302
2303             tracks[i_track]->fmt.i_extra = 3 * 2 + i_size[0] + i_size[1] + i_size[2];
2304             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2305             p_extra = (uint8_t *)tracks[i_track]->fmt.p_extra; i_extra = 0;
2306             for( i = 0; i < 3; i++ )
2307             {
2308                 *(p_extra++) = i_size[i] >> 8;
2309                 *(p_extra++) = i_size[i] & 0xFF;
2310                 memcpy( p_extra, tracks[i_track]->p_extra_data + i_offset + i_extra,
2311                         i_size[i] );
2312                 p_extra += i_size[i];
2313                 i_extra += i_size[i];
2314             }
2315         }
2316         else if( !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG2/", strlen( "A_AAC/MPEG2/" ) ) ||
2317                  !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG4/", strlen( "A_AAC/MPEG4/" ) ) )
2318         {
2319             int i_profile, i_srate;
2320             static unsigned int i_sample_rates[] =
2321             {
2322                     96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050,
2323                         16000, 12000, 11025, 8000,  7350,  0,     0,     0
2324             };
2325
2326             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
2327             /* create data for faad (MP4DecSpecificDescrTag)*/
2328
2329             if( !strcmp( &tracks[i_track]->psz_codec[12], "MAIN" ) )
2330             {
2331                 i_profile = 0;
2332             }
2333             else if( !strcmp( &tracks[i_track]->psz_codec[12], "LC" ) )
2334             {
2335                 i_profile = 1;
2336             }
2337             else if( !strcmp( &tracks[i_track]->psz_codec[12], "SSR" ) )
2338             {
2339                 i_profile = 2;
2340             }
2341             else
2342             {
2343                 i_profile = 3;
2344             }
2345
2346             for( i_srate = 0; i_srate < 13; i_srate++ )
2347             {
2348                 if( i_sample_rates[i_srate] == tracks[i_track]->fmt.audio.i_rate )
2349                 {
2350                     break;
2351                 }
2352             }
2353             msg_Dbg( &sys.demuxer, "profile=%d srate=%d", i_profile, i_srate );
2354
2355             tracks[i_track]->fmt.i_extra = 2;
2356             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2357             ((uint8_t*)tracks[i_track]->fmt.p_extra)[0] = ((i_profile + 1) << 3) | ((i_srate&0xe) >> 1);
2358             ((uint8_t*)tracks[i_track]->fmt.p_extra)[1] = ((i_srate & 0x1) << 7) | (tracks[i_track]->fmt.audio.i_channels << 3);
2359         }
2360         else if( !strcmp( tracks[i_track]->psz_codec, "A_AAC" ) )
2361         {
2362             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
2363             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2364             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2365         }
2366         else if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) ||
2367                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/LIT" ) ||
2368                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/FLOAT/IEEE" ) )
2369         {
2370             if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) )
2371             {
2372                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
2373             }
2374             else
2375             {
2376                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
2377             }
2378             tracks[i_track]->fmt.audio.i_blockalign = ( tracks[i_track]->fmt.audio.i_bitspersample + 7 ) / 8 * tracks[i_track]->fmt.audio.i_channels;
2379         }
2380         else if( !strcmp( tracks[i_track]->psz_codec, "A_TTA1" ) )
2381         {
2382             /* FIXME: support this codec */
2383             msg_Err( &sys.demuxer, "TTA not supported yet[%d, n=%d]", (int)i_track, tracks[i_track]->i_number );
2384             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2385         }
2386         else if( !strcmp( tracks[i_track]->psz_codec, "A_WAVPACK4" ) )
2387         {
2388             /* FIXME: support this codec */
2389             msg_Err( &sys.demuxer, "Wavpack not supported yet[%d, n=%d]", (int)i_track, tracks[i_track]->i_number );
2390             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2391         }
2392         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/UTF8" ) )
2393         {
2394             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 'u', 'b', 't' );
2395             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2396         }
2397         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/SSA" ) ||
2398                  !strcmp( tracks[i_track]->psz_codec, "S_TEXT/ASS" ) ||
2399                  !strcmp( tracks[i_track]->psz_codec, "S_SSA" ) ||
2400                  !strcmp( tracks[i_track]->psz_codec, "S_ASS" ))
2401         {
2402             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 's', 'a', ' ' );
2403             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2404         }
2405         else if( !strcmp( tracks[i_track]->psz_codec, "S_VOBSUB" ) )
2406         {
2407             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's','p','u',' ' );
2408             if( tracks[i_track]->i_extra_data )
2409             {
2410                 char *p_start;
2411                 char *p_buf = (char *)malloc( tracks[i_track]->i_extra_data + 1);
2412                 memcpy( p_buf, tracks[i_track]->p_extra_data , tracks[i_track]->i_extra_data );
2413                 p_buf[tracks[i_track]->i_extra_data] = '\0';
2414
2415                 p_start = strstr( p_buf, "size:" );
2416                 if( sscanf( p_start, "size: %dx%d",
2417                         &tracks[i_track]->fmt.subs.spu.i_original_frame_width, &tracks[i_track]->fmt.subs.spu.i_original_frame_height ) == 2 )
2418                 {
2419                     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 );
2420                 }
2421                 else
2422                 {
2423                     msg_Warn( &sys.demuxer, "reading original frame size for vobsub failed" );
2424                 }
2425                 free( p_buf );
2426             }
2427         }
2428         else if( !strcmp( tracks[i_track]->psz_codec, "B_VOBBTN" ) )
2429         {
2430             tracks[i_track]->fmt.i_cat = NAV_ES;
2431             continue;
2432         }
2433         else
2434         {
2435             msg_Err( &sys.demuxer, "unknow codec id=`%s'", tracks[i_track]->psz_codec );
2436             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2437         }
2438         if( tracks[i_track]->b_default )
2439         {
2440             tracks[i_track]->fmt.i_priority = 1000;
2441         }
2442
2443         tracks[i_track]->p_es = es_out_Add( sys.demuxer.out, &tracks[i_track]->fmt );
2444
2445         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_start_time );
2446     }
2447
2448     sys.i_start_pts = i_start_time;
2449     // reset the stream reading to the first cluster of the segment used
2450     es.I_O().setFilePointer( i_start_pos );
2451
2452     delete ep;
2453     ep = new EbmlParser( &es, segment, &sys.demuxer );
2454
2455     return true;
2456 }
2457
2458 void demux_sys_t::StartUiThread()
2459 {
2460     if ( !b_ui_hooked )
2461     {
2462         msg_Dbg( &demuxer, "Starting the UI Hook" );
2463         b_ui_hooked = true;
2464         /* FIXME hack hack hack hack FIXME */
2465         /* Get p_input and create variable */
2466         p_input = (input_thread_t *) vlc_object_find( &demuxer, VLC_OBJECT_INPUT, FIND_PARENT );
2467         var_Create( p_input, "x-start", VLC_VAR_INTEGER );
2468         var_Create( p_input, "y-start", VLC_VAR_INTEGER );
2469         var_Create( p_input, "x-end", VLC_VAR_INTEGER );
2470         var_Create( p_input, "y-end", VLC_VAR_INTEGER );
2471         var_Create( p_input, "color", VLC_VAR_ADDRESS );
2472         var_Create( p_input, "menu-palette", VLC_VAR_ADDRESS );
2473         var_Create( p_input, "highlight", VLC_VAR_BOOL );
2474         var_Create( p_input, "highlight-mutex", VLC_VAR_MUTEX );
2475
2476         /* Now create our event thread catcher */
2477         p_ev = (event_thread_t *) vlc_object_create( &demuxer, sizeof( event_thread_t ) );
2478         p_ev->p_demux = &demuxer;
2479         p_ev->b_die = VLC_FALSE;
2480         vlc_mutex_init( p_ev, &p_ev->lock );
2481         vlc_thread_create( p_ev, "mkv event thread handler", EventThread,
2482                         VLC_THREAD_PRIORITY_LOW, VLC_FALSE );
2483     }
2484 }
2485
2486 void demux_sys_t::StopUiThread()
2487 {
2488     if ( b_ui_hooked )
2489     {
2490         p_ev->b_die = VLC_TRUE;
2491
2492         vlc_thread_join( p_ev );
2493         vlc_object_destroy( p_ev );
2494
2495         p_ev = NULL;
2496
2497         var_Destroy( p_input, "highlight-mutex" );
2498         var_Destroy( p_input, "highlight" );
2499         var_Destroy( p_input, "x-start" );
2500         var_Destroy( p_input, "x-end" );
2501         var_Destroy( p_input, "y-start" );
2502         var_Destroy( p_input, "y-end" );
2503         var_Destroy( p_input, "color" );
2504         var_Destroy( p_input, "menu-palette" );
2505
2506         vlc_object_release( p_input );
2507
2508         msg_Dbg( &demuxer, "Stopping the UI Hook" );
2509     }
2510     b_ui_hooked = false;
2511 }
2512
2513 int demux_sys_t::EventMouse( vlc_object_t *p_this, char const *psz_var,
2514                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
2515 {
2516     event_thread_t *p_ev = (event_thread_t *) p_data;
2517     vlc_mutex_lock( &p_ev->lock );
2518     if( psz_var[6] == 'c' )
2519     {
2520         p_ev->b_clicked = VLC_TRUE;
2521         msg_Dbg( p_this, "Event Mouse: clicked");
2522     }
2523     else if( psz_var[6] == 'm' )
2524         p_ev->b_moved = VLC_TRUE;
2525     vlc_mutex_unlock( &p_ev->lock );
2526
2527     return VLC_SUCCESS;
2528 }
2529
2530 int demux_sys_t::EventKey( vlc_object_t *p_this, char const *psz_var,
2531                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
2532 {
2533     event_thread_t *p_ev = (event_thread_t *) p_data;
2534     vlc_mutex_lock( &p_ev->lock );
2535     p_ev->b_key = VLC_TRUE;
2536     vlc_mutex_unlock( &p_ev->lock );
2537     msg_Dbg( p_this, "Event Key");
2538
2539     return VLC_SUCCESS;
2540 }
2541
2542 int demux_sys_t::EventThread( vlc_object_t *p_this )
2543 {
2544     event_thread_t *p_ev = (event_thread_t*)p_this;
2545     demux_sys_t    *p_sys = p_ev->p_demux->p_sys;
2546     vlc_object_t   *p_vout = NULL;
2547
2548     p_ev->b_moved   = VLC_FALSE;
2549     p_ev->b_clicked = VLC_FALSE;
2550     p_ev->b_key     = VLC_FALSE;
2551
2552     /* catch all key event */
2553     var_AddCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2554
2555     /* main loop */
2556     while( !p_ev->b_die )
2557     {
2558         if ( !p_sys->b_pci_packet_set )
2559         {
2560             /* Wait 100ms */
2561             msleep( 100000 );
2562             continue;
2563         }
2564
2565         vlc_bool_t b_activated = VLC_FALSE;
2566
2567         /* KEY part */
2568         if( p_ev->b_key )
2569         {
2570             vlc_value_t valk;
2571             struct vlc_t::hotkey *p_hotkeys = p_ev->p_vlc->p_hotkeys;
2572             int i, i_action = -1;
2573
2574             msg_Dbg( p_ev->p_demux, "Handle Key Event");
2575
2576             vlc_mutex_lock( &p_ev->lock );
2577
2578             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2579
2580             var_Get( p_ev->p_vlc, "key-pressed", &valk );
2581             for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
2582             {
2583                 if( p_hotkeys[i].i_key == valk.i_int )
2584                 {
2585                     i_action = p_hotkeys[i].i_action;
2586                 }
2587             }
2588
2589             uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2590
2591             switch( i_action )
2592             {
2593             case ACTIONID_NAV_LEFT:
2594                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2595                 {
2596                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2597                     if ( p_button_ptr->left > 0 && p_button_ptr->left <= pci->hli.hl_gi.btn_ns )
2598                     {
2599                         i_curr_button = p_button_ptr->left;
2600                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2601                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2602                         if ( button_ptr.auto_action_mode )
2603                         {
2604                             vlc_mutex_unlock( &p_ev->lock );
2605                             vlc_mutex_lock( &p_sys->lock_demuxer );
2606
2607                             // process the button action
2608                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2609
2610                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2611                             vlc_mutex_lock( &p_ev->lock );
2612                         }
2613                     }
2614                 }
2615                 break;
2616             case ACTIONID_NAV_RIGHT:
2617                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2618                 {
2619                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2620                     if ( p_button_ptr->right > 0 && p_button_ptr->right <= pci->hli.hl_gi.btn_ns )
2621                     {
2622                         i_curr_button = p_button_ptr->right;
2623                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2624                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2625                         if ( button_ptr.auto_action_mode )
2626                         {
2627                             vlc_mutex_unlock( &p_ev->lock );
2628                             vlc_mutex_lock( &p_sys->lock_demuxer );
2629
2630                             // process the button action
2631                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2632
2633                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2634                             vlc_mutex_lock( &p_ev->lock );
2635                         }
2636                     }
2637                 }
2638                 break;
2639             case ACTIONID_NAV_UP:
2640                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2641                 {
2642                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2643                     if ( p_button_ptr->up > 0 && p_button_ptr->up <= pci->hli.hl_gi.btn_ns )
2644                     {
2645                         i_curr_button = p_button_ptr->up;
2646                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2647                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2648                         if ( button_ptr.auto_action_mode )
2649                         {
2650                             vlc_mutex_unlock( &p_ev->lock );
2651                             vlc_mutex_lock( &p_sys->lock_demuxer );
2652
2653                             // process the button action
2654                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2655
2656                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2657                             vlc_mutex_lock( &p_ev->lock );
2658                         }
2659                     }
2660                 }
2661                 break;
2662             case ACTIONID_NAV_DOWN:
2663                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2664                 {
2665                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2666                     if ( p_button_ptr->down > 0 && p_button_ptr->down <= pci->hli.hl_gi.btn_ns )
2667                     {
2668                         i_curr_button = p_button_ptr->down;
2669                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2670                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2671                         if ( button_ptr.auto_action_mode )
2672                         {
2673                             vlc_mutex_unlock( &p_ev->lock );
2674                             vlc_mutex_lock( &p_sys->lock_demuxer );
2675
2676                             // process the button action
2677                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2678
2679                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2680                             vlc_mutex_lock( &p_ev->lock );
2681                         }
2682                     }
2683                 }
2684                 break;
2685             case ACTIONID_NAV_ACTIVATE:
2686                 b_activated = VLC_TRUE;
2687
2688                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2689                 {
2690                     btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2691
2692                     vlc_mutex_unlock( &p_ev->lock );
2693                     vlc_mutex_lock( &p_sys->lock_demuxer );
2694
2695                     // process the button action
2696                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2697
2698                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2699                     vlc_mutex_lock( &p_ev->lock );
2700                 }
2701                 break;
2702             default:
2703                 break;
2704             }
2705             p_ev->b_key = VLC_FALSE;
2706             vlc_mutex_unlock( &p_ev->lock );
2707         }
2708
2709         /* MOUSE part */
2710         if( p_vout && ( p_ev->b_moved || p_ev->b_clicked ) )
2711         {
2712             vlc_value_t valx, valy;
2713
2714             vlc_mutex_lock( &p_ev->lock );
2715             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2716             var_Get( p_vout, "mouse-x", &valx );
2717             var_Get( p_vout, "mouse-y", &valy );
2718
2719             if( p_ev->b_clicked )
2720             {
2721                 int32_t button;
2722                 int32_t best,dist,d;
2723                 int32_t mx,my,dx,dy;
2724
2725                 msg_Dbg( p_ev->p_demux, "Handle Mouse Event: Mouse clicked x(%d)*y(%d)", (unsigned)valx.i_int, (unsigned)valy.i_int);
2726
2727                 b_activated = VLC_TRUE;
2728                 // get current button
2729                 best = 0;
2730                 dist = 0x08000000; /* >> than  (720*720)+(567*567); */
2731                 for(button = 1; button <= pci->hli.hl_gi.btn_ns; button++)
2732                 {
2733                     btni_t *button_ptr = &(pci->hli.btnit[button-1]);
2734
2735                     if(((unsigned)valx.i_int >= button_ptr->x_start)
2736                      && ((unsigned)valx.i_int <= button_ptr->x_end)
2737                      && ((unsigned)valy.i_int >= button_ptr->y_start)
2738                      && ((unsigned)valy.i_int <= button_ptr->y_end))
2739                     {
2740                         mx = (button_ptr->x_start + button_ptr->x_end)/2;
2741                         my = (button_ptr->y_start + button_ptr->y_end)/2;
2742                         dx = mx - valx.i_int;
2743                         dy = my - valy.i_int;
2744                         d = (dx*dx) + (dy*dy);
2745                         /* If the mouse is within the button and the mouse is closer
2746                         * to the center of this button then it is the best choice. */
2747                         if(d < dist) {
2748                             dist = d;
2749                             best = button;
2750                         }
2751                     }
2752                 }
2753
2754                 if ( best != 0)
2755                 {
2756                     btni_t button_ptr = pci->hli.btnit[best-1];
2757                     uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2758
2759                     msg_Dbg( &p_sys->demuxer, "Clicked button %d", best );
2760                     vlc_mutex_unlock( &p_ev->lock );
2761                     vlc_mutex_lock( &p_sys->lock_demuxer );
2762
2763                     // process the button action
2764                     p_sys->dvd_interpretor.SetSPRM( 0x88, best );
2765                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2766
2767                     msg_Dbg( &p_sys->demuxer, "Processed button %d", best );
2768
2769                     // select new button
2770                     if ( best != i_curr_button )
2771                     {
2772                         vlc_value_t val;
2773
2774                         if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
2775                         {
2776                             vlc_mutex_t *p_mutex = (vlc_mutex_t *) val.p_address;
2777                             uint32_t i_palette;
2778
2779                             if(button_ptr.btn_coln != 0) {
2780                                 i_palette = pci->hli.btn_colit.btn_coli[button_ptr.btn_coln-1][1];
2781                             } else {
2782                                 i_palette = 0;
2783                             }
2784
2785                             for( int i = 0; i < 4; i++ )
2786                             {
2787                                 uint32_t i_yuv = 0xFF;//p_sys->clut[(hl.palette>>(16+i*4))&0x0f];
2788                                 uint8_t i_alpha = (i_palette>>(i*4))&0x0f;
2789                                 i_alpha = i_alpha == 0xf ? 0xff : i_alpha << 4;
2790
2791                                 p_sys->palette[i][0] = (i_yuv >> 16) & 0xff;
2792                                 p_sys->palette[i][1] = (i_yuv >> 0) & 0xff;
2793                                 p_sys->palette[i][2] = (i_yuv >> 8) & 0xff;
2794                                 p_sys->palette[i][3] = i_alpha;
2795                             }
2796
2797                             vlc_mutex_lock( p_mutex );
2798                             val.i_int = button_ptr.x_start; var_Set( p_sys->p_input, "x-start", val );
2799                             val.i_int = button_ptr.x_end;   var_Set( p_sys->p_input, "x-end",   val );
2800                             val.i_int = button_ptr.y_start; var_Set( p_sys->p_input, "y-start", val );
2801                             val.i_int = button_ptr.y_end;   var_Set( p_sys->p_input, "y-end",   val );
2802
2803                             val.p_address = (void *)p_sys->palette;
2804                             var_Set( p_sys->p_input, "menu-palette", val );
2805
2806                             val.b_bool = VLC_TRUE; var_Set( p_sys->p_input, "highlight", val );
2807                             vlc_mutex_unlock( p_mutex );
2808                         }
2809                     }
2810                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2811                     vlc_mutex_lock( &p_ev->lock );
2812                 }
2813             }
2814             else if( p_ev->b_moved )
2815             {
2816 //                dvdnav_mouse_select( NULL, pci, valx.i_int, valy.i_int );
2817             }
2818
2819             p_ev->b_moved = VLC_FALSE;
2820             p_ev->b_clicked = VLC_FALSE;
2821             vlc_mutex_unlock( &p_ev->lock );
2822         }
2823
2824         /* VOUT part */
2825         if( p_vout && p_vout->b_die )
2826         {
2827             var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2828             var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2829             vlc_object_release( p_vout );
2830             p_vout = NULL;
2831         }
2832
2833         else if( p_vout == NULL )
2834         {
2835             p_vout = (vlc_object_t*) vlc_object_find( p_sys->p_input, VLC_OBJECT_VOUT,
2836                                       FIND_CHILD );
2837             if( p_vout)
2838             {
2839                 var_AddCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2840                 var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2841             }
2842         }
2843
2844         /* Wait a bit, 10ms */
2845         msleep( 10000 );
2846     }
2847
2848     /* Release callback */
2849     if( p_vout )
2850     {
2851         var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2852         var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2853         vlc_object_release( p_vout );
2854     }
2855     var_DelCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2856
2857     vlc_mutex_destroy( &p_ev->lock );
2858
2859     return VLC_SUCCESS;
2860 }
2861
2862 void matroska_segment_c::UnSelect( )
2863 {
2864     size_t i_track;
2865
2866     for( i_track = 0; i_track < tracks.size(); i_track++ )
2867     {
2868         if ( tracks[i_track]->p_es != NULL )
2869         {
2870 //            es_format_Clean( &tracks[i_track]->fmt );
2871             es_out_Del( sys.demuxer.out, tracks[i_track]->p_es );
2872             tracks[i_track]->p_es = NULL;
2873         }
2874     }
2875     delete ep;
2876     ep = NULL;
2877 }
2878
2879 void virtual_segment_c::PrepareChapters( )
2880 {
2881     if ( linked_segments.size() == 0 )
2882         return;
2883
2884     // !!! should be called only once !!!
2885     matroska_segment_c *p_segment;
2886     size_t i, j;
2887
2888     // copy editions from the first segment
2889     p_segment = linked_segments[0];
2890     p_editions = &p_segment->stored_editions;
2891
2892     for ( i=1 ; i<linked_segments.size(); i++ )
2893     {
2894         p_segment = linked_segments[i];
2895         // FIXME assume we have the same editions in all segments
2896         for (j=0; j<p_segment->stored_editions.size(); j++)
2897             (*p_editions)[j]->Append( *p_segment->stored_editions[j] );
2898     }
2899 }
2900
2901 std::string chapter_edition_c::GetMainName() const
2902 {
2903     if ( sub_chapters.size() )
2904     {
2905         return sub_chapters[0]->GetCodecName( true );
2906     }
2907     return "";
2908 }
2909
2910 int chapter_item_c::PublishChapters( input_title_t & title, int & i_user_chapters, int i_level )
2911 {
2912     // add support for meta-elements from codec like DVD Titles
2913     if ( !b_display_seekpoint || psz_name == "" )
2914     {
2915         psz_name = GetCodecName();
2916         if ( psz_name != "" )
2917             b_display_seekpoint = true;
2918     }
2919
2920     if (b_display_seekpoint)
2921     {
2922         seekpoint_t *sk = vlc_seekpoint_New();
2923
2924         sk->i_level = i_level;
2925         sk->i_time_offset = i_start_time;
2926         sk->psz_name = strdup( psz_name.c_str() );
2927
2928         // A start time of '0' is ok. A missing ChapterTime element is ok, too, because '0' is its default value.
2929         title.i_seekpoint++;
2930         title.seekpoint = (seekpoint_t**)realloc( title.seekpoint, title.i_seekpoint * sizeof( seekpoint_t* ) );
2931         title.seekpoint[title.i_seekpoint-1] = sk;
2932
2933         if ( b_user_display )
2934             i_user_chapters++;
2935     }
2936
2937     for ( size_t i=0; i<sub_chapters.size() ; i++)
2938     {
2939         sub_chapters[i]->PublishChapters( title, i_user_chapters, i_level+1 );
2940     }
2941
2942     i_seekpoint_num = i_user_chapters;
2943
2944     return i_user_chapters;
2945 }
2946
2947 bool virtual_segment_c::UpdateCurrentToChapter( demux_t & demux )
2948 {
2949     demux_sys_t & sys = *demux.p_sys;
2950     chapter_item_c *psz_curr_chapter;
2951     bool b_has_seeked = false;
2952
2953     /* update current chapter/seekpoint */
2954     if ( p_editions->size() )
2955     {
2956         /* 1st, we need to know in which chapter we are */
2957         psz_curr_chapter = (*p_editions)[i_current_edition]->FindTimecode( sys.i_pts, psz_current_chapter );
2958
2959         /* we have moved to a new chapter */
2960         if (psz_curr_chapter != NULL && psz_current_chapter != psz_curr_chapter)
2961         {
2962             if ( (*p_editions)[i_current_edition]->b_ordered )
2963             {
2964                 // Leave/Enter up to the link point
2965                 b_has_seeked = psz_curr_chapter->EnterAndLeave( psz_current_chapter );
2966                 if ( !b_has_seeked )
2967                 {
2968                     // only physically seek if necessary
2969                     if ( psz_current_chapter == NULL || (psz_current_chapter->i_end_time != psz_curr_chapter->i_start_time) )
2970                         Seek( demux, sys.i_pts, 0, psz_curr_chapter );
2971                 }
2972             }
2973
2974             if ( !b_has_seeked )
2975             {
2976                 psz_current_chapter = psz_curr_chapter;
2977                 if ( psz_curr_chapter->i_seekpoint_num > 0 )
2978                 {
2979                     demux.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
2980                     demux.info.i_title = sys.i_current_title = i_sys_title;
2981                     demux.info.i_seekpoint = psz_curr_chapter->i_seekpoint_num - 1;
2982                 }
2983             }
2984
2985             return true;
2986         }
2987         else if (psz_curr_chapter == NULL)
2988         {
2989             // out of the scope of the data described by chapters, leave the edition
2990             if ( (*p_editions)[i_current_edition]->b_ordered && psz_current_chapter != NULL )
2991             {
2992                 if ( !(*p_editions)[i_current_edition]->EnterAndLeave( psz_current_chapter, false ) )
2993                     psz_current_chapter = NULL;
2994                 else
2995                     return true;
2996             }
2997         }
2998     }
2999     return false;
3000 }
3001
3002 chapter_item_c *virtual_segment_c::BrowseCodecPrivate( unsigned int codec_id,
3003                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
3004                                     const void *p_cookie,
3005                                     size_t i_cookie_size )
3006 {
3007     // FIXME don't assume it is the first edition
3008     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
3009     if ( index != p_editions->end() )
3010     {
3011         chapter_item_c *p_result = (*index)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
3012         if ( p_result != NULL )
3013             return p_result;
3014     }
3015     return NULL;
3016 }
3017
3018 chapter_item_c *virtual_segment_c::FindChapter( int64_t i_find_uid )
3019 {
3020     // FIXME don't assume it is the first edition
3021     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
3022     if ( index != p_editions->end() )
3023     {
3024         chapter_item_c *p_result = (*index)->FindChapter( i_find_uid );
3025         if ( p_result != NULL )
3026             return p_result;
3027     }
3028     return NULL;
3029 }
3030
3031 chapter_item_c *chapter_item_c::BrowseCodecPrivate( unsigned int codec_id,
3032                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
3033                                     const void *p_cookie,
3034                                     size_t i_cookie_size )
3035 {
3036     // this chapter
3037     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
3038     while ( index != codecs.end() )
3039     {
3040         if ( match( **index ,p_cookie, i_cookie_size ) )
3041             return this;
3042         index++;
3043     }
3044
3045     // sub-chapters
3046     chapter_item_c *p_result = NULL;
3047     std::vector<chapter_item_c*>::const_iterator index2 = sub_chapters.begin();
3048     while ( index2 != sub_chapters.end() )
3049     {
3050         p_result = (*index2)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
3051         if ( p_result != NULL )
3052             return p_result;
3053         index2++;
3054     }
3055
3056     return p_result;
3057 }
3058
3059 void chapter_item_c::Append( const chapter_item_c & chapter )
3060 {
3061     // we are appending content for the same chapter UID
3062     size_t i;
3063     chapter_item_c *p_chapter;
3064
3065     for ( i=0; i<chapter.sub_chapters.size(); i++ )
3066     {
3067         p_chapter = FindChapter( chapter.sub_chapters[i]->i_uid );
3068         if ( p_chapter != NULL )
3069         {
3070             p_chapter->Append( *chapter.sub_chapters[i] );
3071         }
3072         else
3073         {
3074             sub_chapters.push_back( chapter.sub_chapters[i] );
3075         }
3076     }
3077
3078     i_user_start_time = min( i_user_start_time, chapter.i_user_start_time );
3079     i_user_end_time = max( i_user_end_time, chapter.i_user_end_time );
3080 }
3081
3082 chapter_item_c * chapter_item_c::FindChapter( int64_t i_find_uid )
3083 {
3084     size_t i;
3085     chapter_item_c *p_result = NULL;
3086
3087     if ( i_uid == i_find_uid )
3088         return this;
3089
3090     for ( i=0; i<sub_chapters.size(); i++)
3091     {
3092         p_result = sub_chapters[i]->FindChapter( i_find_uid );
3093         if ( p_result != NULL )
3094             break;
3095     }
3096     return p_result;
3097 }
3098
3099 std::string chapter_item_c::GetCodecName( bool f_for_title ) const
3100 {
3101     std::string result;
3102
3103     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
3104     while ( index != codecs.end() )
3105     {
3106         result = (*index)->GetCodecName( f_for_title );
3107         if ( result != "" )
3108             break;
3109         index++;
3110     }
3111
3112     return result;
3113 }
3114
3115 std::string dvd_chapter_codec_c::GetCodecName( bool f_for_title ) const
3116 {
3117     std::string result;
3118     if ( p_private_data->GetSize() >= 3)
3119     {
3120         const binary* p_data = p_private_data->GetBuffer();
3121 /*        if ( p_data[0] == MATROSKA_DVD_LEVEL_TT )
3122         {
3123             uint16_t i_title = (p_data[1] << 8) + p_data[2];
3124             char psz_str[11];
3125             sprintf( psz_str, " %d  ---", i_title );
3126             result = N_("---  DVD Title");
3127             result += psz_str;
3128         }
3129         else */ if ( p_data[0] == MATROSKA_DVD_LEVEL_LU )
3130         {
3131             char psz_str[11];
3132             sprintf( psz_str, " (%c%c)  ---", p_data[1], p_data[2] );
3133             result = N_("---  DVD Menu");
3134             result += psz_str;
3135         }
3136         else if ( p_data[0] == MATROSKA_DVD_LEVEL_SS && f_for_title )
3137         {
3138             if ( p_data[1] == 0x00 )
3139                 result = N_("First Played");
3140             else if ( p_data[1] == 0xC0 )
3141                 result = N_("Video Manager");
3142             else if ( p_data[1] == 0x80 )
3143             {
3144                 uint16_t i_title = (p_data[2] << 8) + p_data[3];
3145                 char psz_str[20];
3146                 sprintf( psz_str, " %d -----", i_title );
3147                 result = N_("----- Title");
3148                 result += psz_str;
3149             }
3150         }
3151     }
3152
3153     return result;
3154 }
3155
3156 int16 chapter_item_c::GetTitleNumber( ) const
3157 {
3158     int result = -1;
3159
3160     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
3161     while ( index != codecs.end() )
3162     {
3163         result = (*index)->GetTitleNumber( );
3164         if ( result >= 0 )
3165             break;
3166         index++;
3167     }
3168
3169     return result;
3170 }
3171
3172 int16 dvd_chapter_codec_c::GetTitleNumber()
3173 {
3174     if ( p_private_data->GetSize() >= 3)
3175     {
3176         const binary* p_data = p_private_data->GetBuffer();
3177         if ( p_data[0] == MATROSKA_DVD_LEVEL_SS )
3178         {
3179             return int16( (p_data[2] << 8) + p_data[3] );
3180         }
3181     }
3182     return -1;
3183 }
3184
3185 static void Seek( demux_t *p_demux, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter )
3186 {
3187     demux_sys_t        *p_sys = p_demux->p_sys;
3188     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3189     matroska_segment_c *p_segment = p_vsegment->Segment();
3190     mtime_t            i_time_offset = 0;
3191
3192     int         i_index;
3193
3194     msg_Dbg( p_demux, "seek request to "I64Fd" (%f%%)", i_date, f_percent );
3195     if( i_date < 0 && f_percent < 0 )
3196     {
3197         msg_Warn( p_demux, "cannot seek nowhere !" );
3198         return;
3199     }
3200     if( f_percent > 1.0 )
3201     {
3202         msg_Warn( p_demux, "cannot seek so far !" );
3203         return;
3204     }
3205
3206     /* seek without index or without date */
3207     if( f_percent >= 0 && (config_GetInt( p_demux, "mkv-seek-percent" ) || !p_segment->b_cues || i_date < 0 ))
3208     {
3209         if (p_sys->f_duration >= 0)
3210         {
3211             i_date = int64_t( f_percent * p_sys->f_duration * 1000.0 );
3212         }
3213         else
3214         {
3215             int64_t i_pos = int64_t( f_percent * stream_Size( p_demux->s ) );
3216
3217             msg_Dbg( p_demux, "inacurate way of seeking" );
3218             for( i_index = 0; i_index < p_segment->i_index; i_index++ )
3219             {
3220                 if( p_segment->p_indexes[i_index].i_position >= i_pos)
3221                 {
3222                     break;
3223                 }
3224             }
3225             if( i_index == p_segment->i_index )
3226             {
3227                 i_index--;
3228             }
3229
3230             i_date = p_segment->p_indexes[i_index].i_time;
3231
3232 #if 0
3233             if( p_segment->p_indexes[i_index].i_position < i_pos )
3234             {
3235                 EbmlElement *el;
3236
3237                 msg_Warn( p_demux, "searching for cluster, could take some time" );
3238
3239                 /* search a cluster */
3240                 while( ( el = p_sys->ep->Get() ) != NULL )
3241                 {
3242                     if( MKV_IS_ID( el, KaxCluster ) )
3243                     {
3244                         KaxCluster *cluster = (KaxCluster*)el;
3245
3246                         /* add it to the index */
3247                         p_segment->IndexAppendCluster( cluster );
3248
3249                         if( (int64_t)cluster->GetElementPosition() >= i_pos )
3250                         {
3251                             p_sys->cluster = cluster;
3252                             p_sys->ep->Down();
3253                             break;
3254                         }
3255                     }
3256                 }
3257             }
3258 #endif
3259         }
3260     }
3261
3262     p_vsegment->Seek( *p_demux, i_date, i_time_offset, psz_chapter );
3263 }
3264
3265 /*****************************************************************************
3266  * Demux: reads and demuxes data packets
3267  *****************************************************************************
3268  * Returns -1 in case of error, 0 in case of EOF, 1 otherwise
3269  *****************************************************************************/
3270 static int Demux( demux_t *p_demux)
3271 {
3272     demux_sys_t        *p_sys = p_demux->p_sys;
3273
3274     vlc_mutex_lock( &p_sys->lock_demuxer );
3275
3276     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3277     matroska_segment_c *p_segment = p_vsegment->Segment();
3278     if ( p_segment == NULL ) return 0;
3279     int                i_block_count = 0;
3280     int                i_return = 0;
3281
3282     for( ;; )
3283     {
3284         if ( p_sys->demuxer.b_die )
3285             break;
3286
3287         if( p_sys->i_pts >= p_sys->i_start_pts  )
3288             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3289             {
3290                 i_return = 1;
3291                 break;
3292             }
3293
3294         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3295         {
3296             /* nothing left to read in this ordered edition */
3297             if ( !p_vsegment->SelectNext() )
3298                 break;
3299             p_segment->UnSelect( );
3300
3301             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3302
3303             /* switch to the next segment */
3304             p_segment = p_vsegment->Segment();
3305             if ( !p_segment->Select( 0 ) )
3306             {
3307                 msg_Err( p_demux, "Failed to select new segment" );
3308                 break;
3309             }
3310             continue;
3311         }
3312
3313         KaxBlock *block;
3314         int64_t i_block_duration = 0;
3315         int64_t i_block_ref1;
3316         int64_t i_block_ref2;
3317
3318 #if LIBMATROSKA_VERSION >= 0x000800
3319         KaxSimpleBlock *simpleblock;
3320
3321         if( p_segment->BlockGet( block, simpleblock, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
3322 #else
3323         if( p_segment->BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
3324 #endif
3325         {
3326             if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered )
3327             {
3328                 const chapter_item_c *p_chap = p_vsegment->CurrentChapter();
3329                 // check if there are more chapters to read
3330                 if ( p_chap != NULL )
3331                 {
3332                     /* TODO handle successive chapters with the same user_start_time/user_end_time
3333                     if ( p_chap->i_user_start_time == p_chap->i_user_start_time )
3334                         p_vsegment->SelectNext();
3335                     */
3336                     p_sys->i_pts = p_chap->i_user_end_time;
3337                     p_sys->i_pts++; // trick to avoid staying on segments with no duration and no content
3338
3339                     i_return = 1;
3340                 }
3341
3342                 break;
3343             }
3344             else
3345             {
3346                 msg_Warn( p_demux, "cannot get block EOF?" );
3347                 p_segment->UnSelect( );
3348
3349                 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3350
3351                 /* switch to the next segment */
3352                 if ( !p_vsegment->SelectNext() )
3353                     // no more segments in this stream
3354                     break;
3355                 p_segment = p_vsegment->Segment();
3356                 if ( !p_segment->Select( 0 ) )
3357                 {
3358                     msg_Err( p_demux, "Failed to select new segment" );
3359                     break;
3360                 }
3361
3362                 continue;
3363             }
3364         }
3365
3366 #if LIBMATROSKA_VERSION >= 0x000800
3367         if ( simpleblock != NULL )
3368             p_sys->i_pts = (p_sys->i_chapter_time + simpleblock->GlobalTimecode()) / (mtime_t) 1000;
3369         else
3370 #endif
3371         p_sys->i_pts = (p_sys->i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
3372
3373         if( p_sys->i_pts >= p_sys->i_start_pts  )
3374         {
3375             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pts );
3376
3377             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3378             {
3379                 i_return = 1;
3380                 delete block;
3381                 break;
3382             }
3383         }
3384
3385         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3386         {
3387             /* nothing left to read in this ordered edition */
3388             if ( !p_vsegment->SelectNext() )
3389             {
3390                 delete block;
3391                 break;
3392             }
3393             p_segment->UnSelect( );
3394
3395             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3396
3397             /* switch to the next segment */
3398             p_segment = p_vsegment->Segment();
3399             if ( !p_segment->Select( 0 ) )
3400             {
3401                 msg_Err( p_demux, "Failed to select new segment" );
3402                 delete block;
3403                 break;
3404             }
3405             delete block;
3406             continue;
3407         }
3408
3409 #if LIBMATROSKA_VERSION >= 0x000800
3410         BlockDecode( p_demux, block, simpleblock, p_sys->i_pts, i_block_duration, i_block_ref1 >= 0 || i_block_ref2 > 0 );
3411 #else
3412         BlockDecode( p_demux, block, p_sys->i_pts, i_block_duration, i_block_ref1 >= 0 || i_block_ref2 > 0 );
3413 #endif
3414
3415         delete block;
3416         i_block_count++;
3417
3418         // TODO optimize when there is need to leave or when seeking has been called
3419         if( i_block_count > 5 )
3420         {
3421             i_return = 1;
3422             break;
3423         }
3424     }
3425
3426     vlc_mutex_unlock( &p_sys->lock_demuxer );
3427
3428     return i_return;
3429 }
3430
3431
3432
3433 /*****************************************************************************
3434  * Stream managment
3435  *****************************************************************************/
3436 vlc_stream_io_callback::vlc_stream_io_callback( stream_t *s_, vlc_bool_t b_owner_ )
3437 {
3438     s = s_;
3439     b_owner = b_owner_;
3440     mb_eof = VLC_FALSE;
3441 }
3442
3443 uint32 vlc_stream_io_callback::read( void *p_buffer, size_t i_size )
3444 {
3445     if( i_size <= 0 || mb_eof )
3446     {
3447         return 0;
3448     }
3449
3450     return stream_Read( s, p_buffer, i_size );
3451 }
3452 void vlc_stream_io_callback::setFilePointer(int64_t i_offset, seek_mode mode )
3453 {
3454     int64_t i_pos;
3455
3456     switch( mode )
3457     {
3458         case seek_beginning:
3459             i_pos = i_offset;
3460             break;
3461         case seek_end:
3462             i_pos = stream_Size( s ) - i_offset;
3463             break;
3464         default:
3465             i_pos= stream_Tell( s ) + i_offset;
3466             break;
3467     }
3468
3469     if( i_pos < 0 || i_pos >= stream_Size( s ) )
3470     {
3471         mb_eof = VLC_TRUE;
3472         return;
3473     }
3474
3475     mb_eof = VLC_FALSE;
3476     if( stream_Seek( s, i_pos ) )
3477     {
3478         mb_eof = VLC_TRUE;
3479     }
3480     return;
3481 }
3482 size_t vlc_stream_io_callback::write( const void *p_buffer, size_t i_size )
3483 {
3484     return 0;
3485 }
3486 uint64 vlc_stream_io_callback::getFilePointer( void )
3487 {
3488     if ( s == NULL )
3489         return 0;
3490     return stream_Tell( s );
3491 }
3492 void vlc_stream_io_callback::close( void )
3493 {
3494     return;
3495 }
3496
3497
3498 /*****************************************************************************
3499  * Ebml Stream parser
3500  *****************************************************************************/
3501 EbmlParser::EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux )
3502 {
3503     int i;
3504
3505     m_es = es;
3506     m_got = NULL;
3507     m_el[0] = el_start;
3508     mi_remain_size[0] = el_start->GetSize();
3509
3510     for( i = 1; i < 6; i++ )
3511     {
3512         m_el[i] = NULL;
3513     }
3514     mi_level = 1;
3515     mi_user_level = 1;
3516     mb_keep = VLC_FALSE;
3517     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3518 }
3519
3520 EbmlParser::~EbmlParser( void )
3521 {
3522     int i;
3523
3524     for( i = 1; i < mi_level; i++ )
3525     {
3526         if( !mb_keep )
3527         {
3528             delete m_el[i];
3529         }
3530         mb_keep = VLC_FALSE;
3531     }
3532 }
3533
3534 EbmlElement* EbmlParser::UnGet( uint64 i_block_pos, uint64 i_cluster_pos )
3535 {
3536     if ( mi_user_level > mi_level )
3537     {
3538         while ( mi_user_level != mi_level )
3539         {
3540             delete m_el[mi_user_level];
3541             m_el[mi_user_level] = NULL;
3542             mi_user_level--;
3543         }
3544     }
3545     m_got = NULL;
3546     mb_keep = VLC_FALSE;
3547     if ( m_el[1]->GetElementPosition() == i_cluster_pos )
3548     {
3549         m_es->I_O().setFilePointer( i_block_pos, seek_beginning );
3550         return (EbmlMaster*) m_el[1];
3551     }
3552     else
3553     {
3554         // seek to the previous Cluster
3555         m_es->I_O().setFilePointer( i_cluster_pos, seek_beginning );
3556         mi_level--;
3557         mi_user_level--;
3558         delete m_el[mi_level];
3559         m_el[mi_level] = NULL;
3560         return NULL;
3561     }
3562 }
3563
3564 void EbmlParser::Up( void )
3565 {
3566     if( mi_user_level == mi_level )
3567     {
3568         fprintf( stderr," arrrrrrrrrrrrrg Up cannot escape itself\n" );
3569     }
3570
3571     mi_user_level--;
3572 }
3573
3574 void EbmlParser::Down( void )
3575 {
3576     mi_user_level++;
3577     mi_level++;
3578 }
3579
3580 void EbmlParser::Keep( void )
3581 {
3582     mb_keep = VLC_TRUE;
3583 }
3584
3585 int EbmlParser::GetLevel( void )
3586 {
3587     return mi_user_level;
3588 }
3589
3590 void EbmlParser::Reset( demux_t *p_demux )
3591 {
3592     while ( mi_level > 0)
3593     {
3594         delete m_el[mi_level];
3595         m_el[mi_level] = NULL;
3596         mi_level--;
3597     }
3598     mi_user_level = mi_level = 1;
3599 #if LIBEBML_VERSION >= 0x000704
3600     // a little faster and cleaner
3601     m_es->I_O().setFilePointer( static_cast<KaxSegment*>(m_el[0])->GetGlobalPosition(0) );
3602 #else
3603     m_es->I_O().setFilePointer( m_el[0]->GetElementPosition() + m_el[0]->ElementSize(true) - m_el[0]->GetSize() );
3604 #endif
3605     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3606 }
3607
3608 EbmlElement *EbmlParser::Get( void )
3609 {
3610     int i_ulev = 0;
3611
3612     if( mi_user_level != mi_level )
3613     {
3614         return NULL;
3615     }
3616     if( m_got )
3617     {
3618         EbmlElement *ret = m_got;
3619         m_got = NULL;
3620
3621         return ret;
3622     }
3623
3624     if( m_el[mi_level] )
3625     {
3626         m_el[mi_level]->SkipData( *m_es, m_el[mi_level]->Generic().Context );
3627         if( !mb_keep )
3628         {
3629             delete m_el[mi_level];
3630         }
3631         mb_keep = VLC_FALSE;
3632     }
3633
3634     m_el[mi_level] = m_es->FindNextElement( m_el[mi_level - 1]->Generic().Context, i_ulev, 0xFFFFFFFFL, mb_dummy != 0, 1 );
3635 //    mi_remain_size[mi_level] = m_el[mi_level]->GetSize();
3636     if( i_ulev > 0 )
3637     {
3638         while( i_ulev > 0 )
3639         {
3640             if( mi_level == 1 )
3641             {
3642                 mi_level = 0;
3643                 return NULL;
3644             }
3645
3646             delete m_el[mi_level - 1];
3647             m_got = m_el[mi_level -1] = m_el[mi_level];
3648             m_el[mi_level] = NULL;
3649
3650             mi_level--;
3651             i_ulev--;
3652         }
3653         return NULL;
3654     }
3655     else if( m_el[mi_level] == NULL )
3656     {
3657         fprintf( stderr," m_el[mi_level] == NULL\n" );
3658     }
3659
3660     return m_el[mi_level];
3661 }
3662
3663
3664 /*****************************************************************************
3665  * Tools
3666  *  * LoadCues : load the cues element and update index
3667  *
3668  *  * LoadTags : load ... the tags element
3669  *
3670  *  * InformationCreate : create all information, load tags if present
3671  *
3672  *****************************************************************************/
3673 void matroska_segment_c::LoadCues( )
3674 {
3675     int64_t     i_sav_position = es.I_O().getFilePointer();
3676     EbmlParser  *ep;
3677     EbmlElement *el, *cues;
3678
3679     /* *** Load the cue if found *** */
3680     if( i_cues_position < 0 )
3681     {
3682         msg_Warn( &sys.demuxer, "no cues/empty cues found->seek won't be precise" );
3683
3684 //        IndexAppendCluster( cluster );
3685     }
3686
3687     vlc_bool_t b_seekable;
3688
3689     stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
3690     if( !b_seekable )
3691         return;
3692
3693     msg_Dbg( &sys.demuxer, "loading cues" );
3694     es.I_O().setFilePointer( i_cues_position, seek_beginning );
3695     cues = es.FindNextID( KaxCues::ClassInfos, 0xFFFFFFFFL);
3696
3697     if( cues == NULL )
3698     {
3699         msg_Err( &sys.demuxer, "cannot load cues (broken seekhead or file)" );
3700         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3701         return;
3702     }
3703
3704     ep = new EbmlParser( &es, cues, &sys.demuxer );
3705     while( ( el = ep->Get() ) != NULL )
3706     {
3707         if( MKV_IS_ID( el, KaxCuePoint ) )
3708         {
3709 #define idx p_indexes[i_index]
3710
3711             idx.i_track       = -1;
3712             idx.i_block_number= -1;
3713             idx.i_position    = -1;
3714             idx.i_time        = 0;
3715             idx.b_key         = VLC_TRUE;
3716
3717             ep->Down();
3718             while( ( el = ep->Get() ) != NULL )
3719             {
3720                 if( MKV_IS_ID( el, KaxCueTime ) )
3721                 {
3722                     KaxCueTime &ctime = *(KaxCueTime*)el;
3723
3724                     ctime.ReadData( es.I_O() );
3725
3726                     idx.i_time = uint64( ctime ) * i_timescale / (mtime_t)1000;
3727                 }
3728                 else if( MKV_IS_ID( el, KaxCueTrackPositions ) )
3729                 {
3730                     ep->Down();
3731                     while( ( el = ep->Get() ) != NULL )
3732                     {
3733                         if( MKV_IS_ID( el, KaxCueTrack ) )
3734                         {
3735                             KaxCueTrack &ctrack = *(KaxCueTrack*)el;
3736
3737                             ctrack.ReadData( es.I_O() );
3738                             idx.i_track = uint16( ctrack );
3739                         }
3740                         else if( MKV_IS_ID( el, KaxCueClusterPosition ) )
3741                         {
3742                             KaxCueClusterPosition &ccpos = *(KaxCueClusterPosition*)el;
3743
3744                             ccpos.ReadData( es.I_O() );
3745                             idx.i_position = segment->GetGlobalPosition( uint64( ccpos ) );
3746                         }
3747                         else if( MKV_IS_ID( el, KaxCueBlockNumber ) )
3748                         {
3749                             KaxCueBlockNumber &cbnum = *(KaxCueBlockNumber*)el;
3750
3751                             cbnum.ReadData( es.I_O() );
3752                             idx.i_block_number = uint32( cbnum );
3753                         }
3754                         else
3755                         {
3756                             msg_Dbg( &sys.demuxer, "         * Unknown (%s)", typeid(*el).name() );
3757                         }
3758                     }
3759                     ep->Up();
3760                 }
3761                 else
3762                 {
3763                     msg_Dbg( &sys.demuxer, "     * Unknown (%s)", typeid(*el).name() );
3764                 }
3765             }
3766             ep->Up();
3767
3768 #if 0
3769             msg_Dbg( &sys.demuxer, " * added time="I64Fd" pos="I64Fd
3770                      " track=%d bnum=%d", idx.i_time, idx.i_position,
3771                      idx.i_track, idx.i_block_number );
3772 #endif
3773
3774             i_index++;
3775             if( i_index >= i_index_max )
3776             {
3777                 i_index_max += 1024;
3778                 p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
3779             }
3780 #undef idx
3781         }
3782         else
3783         {
3784             msg_Dbg( &sys.demuxer, " * Unknown (%s)", typeid(*el).name() );
3785         }
3786     }
3787     delete ep;
3788     delete cues;
3789
3790     b_cues = VLC_TRUE;
3791
3792     msg_Dbg( &sys.demuxer, "loading cues done." );
3793     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3794 }
3795
3796 void matroska_segment_c::LoadTags( )
3797 {
3798     int64_t     i_sav_position = es.I_O().getFilePointer();
3799     EbmlParser  *ep;
3800     EbmlElement *el, *tags;
3801
3802     msg_Dbg( &sys.demuxer, "loading tags" );
3803     es.I_O().setFilePointer( i_tags_position, seek_beginning );
3804     tags = es.FindNextID( KaxTags::ClassInfos, 0xFFFFFFFFL);
3805
3806     if( tags == NULL )
3807     {
3808         msg_Err( &sys.demuxer, "cannot load tags (broken seekhead or file)" );
3809         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3810         return;
3811     }
3812
3813     msg_Dbg( &sys.demuxer, "Tags" );
3814     ep = new EbmlParser( &es, tags, &sys.demuxer );
3815     while( ( el = ep->Get() ) != NULL )
3816     {
3817         if( MKV_IS_ID( el, KaxTag ) )
3818         {
3819             msg_Dbg( &sys.demuxer, "+ Tag" );
3820             ep->Down();
3821             while( ( el = ep->Get() ) != NULL )
3822             {
3823                 if( MKV_IS_ID( el, KaxTagTargets ) )
3824                 {
3825                     msg_Dbg( &sys.demuxer, "|   + Targets" );
3826                     ep->Down();
3827                     while( ( el = ep->Get() ) != NULL )
3828                     {
3829                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3830                     }
3831                     ep->Up();
3832                 }
3833                 else if( MKV_IS_ID( el, KaxTagGeneral ) )
3834                 {
3835                     msg_Dbg( &sys.demuxer, "|   + General" );
3836                     ep->Down();
3837                     while( ( el = ep->Get() ) != NULL )
3838                     {
3839                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3840                     }
3841                     ep->Up();
3842                 }
3843                 else if( MKV_IS_ID( el, KaxTagGenres ) )
3844                 {
3845                     msg_Dbg( &sys.demuxer, "|   + Genres" );
3846                     ep->Down();
3847                     while( ( el = ep->Get() ) != NULL )
3848                     {
3849                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3850                     }
3851                     ep->Up();
3852                 }
3853                 else if( MKV_IS_ID( el, KaxTagAudioSpecific ) )
3854                 {
3855                     msg_Dbg( &sys.demuxer, "|   + Audio Specific" );
3856                     ep->Down();
3857                     while( ( el = ep->Get() ) != NULL )
3858                     {
3859                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3860                     }
3861                     ep->Up();
3862                 }
3863                 else if( MKV_IS_ID( el, KaxTagImageSpecific ) )
3864                 {
3865                     msg_Dbg( &sys.demuxer, "|   + Images Specific" );
3866                     ep->Down();
3867                     while( ( el = ep->Get() ) != NULL )
3868                     {
3869                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3870                     }
3871                     ep->Up();
3872                 }
3873                 else if( MKV_IS_ID( el, KaxTagMultiComment ) )
3874                 {
3875                     msg_Dbg( &sys.demuxer, "|   + Multi Comment" );
3876                 }
3877                 else if( MKV_IS_ID( el, KaxTagMultiCommercial ) )
3878                 {
3879                     msg_Dbg( &sys.demuxer, "|   + Multi Commercial" );
3880                 }
3881                 else if( MKV_IS_ID( el, KaxTagMultiDate ) )
3882                 {
3883                     msg_Dbg( &sys.demuxer, "|   + Multi Date" );
3884                 }
3885                 else if( MKV_IS_ID( el, KaxTagMultiEntity ) )
3886                 {
3887                     msg_Dbg( &sys.demuxer, "|   + Multi Entity" );
3888                 }
3889                 else if( MKV_IS_ID( el, KaxTagMultiIdentifier ) )
3890                 {
3891                     msg_Dbg( &sys.demuxer, "|   + Multi Identifier" );
3892                 }
3893                 else if( MKV_IS_ID( el, KaxTagMultiLegal ) )
3894                 {
3895                     msg_Dbg( &sys.demuxer, "|   + Multi Legal" );
3896                 }
3897                 else if( MKV_IS_ID( el, KaxTagMultiTitle ) )
3898                 {
3899                     msg_Dbg( &sys.demuxer, "|   + Multi Title" );
3900                 }
3901                 else
3902                 {
3903                     msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid( *el ).name() );
3904                 }
3905             }
3906             ep->Up();
3907         }
3908         else
3909         {
3910             msg_Dbg( &sys.demuxer, "+ Unknown (%s)", typeid( *el ).name() );
3911         }
3912     }
3913     delete ep;
3914     delete tags;
3915
3916     msg_Dbg( &sys.demuxer, "loading tags done." );
3917     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3918 }
3919
3920 /*****************************************************************************
3921  * ParseSeekHead:
3922  *****************************************************************************/
3923 void matroska_segment_c::ParseSeekHead( KaxSeekHead *seekhead )
3924 {
3925     EbmlElement *el;
3926     size_t i, j;
3927     int i_upper_level = 0;
3928
3929     msg_Dbg( &sys.demuxer, "|   + Seek head" );
3930
3931     /* Master elements */
3932     seekhead->Read( es, seekhead->Generic().Context, i_upper_level, el, true );
3933
3934     for( i = 0; i < seekhead->ListSize(); i++ )
3935     {
3936         EbmlElement *l = (*seekhead)[i];
3937
3938         if( MKV_IS_ID( l, KaxSeek ) )
3939         {
3940             EbmlMaster *sk = static_cast<EbmlMaster *>(l);
3941             EbmlId id = EbmlVoid::ClassInfos.GlobalId;
3942             int64_t i_pos = -1;
3943
3944             for( j = 0; j < sk->ListSize(); j++ )
3945             {
3946                 EbmlElement *l = (*sk)[j];
3947
3948                 if( MKV_IS_ID( l, KaxSeekID ) )
3949                 {
3950                     KaxSeekID &sid = *(KaxSeekID*)l;
3951                     id = EbmlId( sid.GetBuffer(), sid.GetSize() );
3952                 }
3953                 else if( MKV_IS_ID( l, KaxSeekPosition ) )
3954                 {
3955                     KaxSeekPosition &spos = *(KaxSeekPosition*)l;
3956                     i_pos = uint64( spos );
3957                 }
3958                 else
3959                 {
3960                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
3961                 }
3962             }
3963
3964             if( i_pos >= 0 )
3965             {
3966                 if( id == KaxCues::ClassInfos.GlobalId )
3967                 {
3968                     msg_Dbg( &sys.demuxer, "|   |   |   = cues at "I64Fd, i_pos );
3969                     i_cues_position = segment->GetGlobalPosition( i_pos );
3970                 }
3971                 else if( id == KaxChapters::ClassInfos.GlobalId )
3972                 {
3973                     msg_Dbg( &sys.demuxer, "|   |   |   = chapters at "I64Fd, i_pos );
3974                     i_chapters_position = segment->GetGlobalPosition( i_pos );
3975                 }
3976                 else if( id == KaxTags::ClassInfos.GlobalId )
3977                 {
3978                     msg_Dbg( &sys.demuxer, "|   |   |   = tags at "I64Fd, i_pos );
3979                     i_tags_position = segment->GetGlobalPosition( i_pos );
3980                 }
3981             }
3982         }
3983         else
3984         {
3985             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
3986         }
3987     }
3988 }
3989
3990 /*****************************************************************************
3991  * ParseTrackEntry:
3992  *****************************************************************************/
3993 void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
3994 {
3995     size_t i, j, k, n;
3996     bool bSupported = true;
3997
3998     mkv_track_t *tk;
3999
4000     msg_Dbg( &sys.demuxer, "|   |   + Track Entry" );
4001
4002     tk = new mkv_track_t();
4003
4004     /* Init the track */
4005     memset( tk, 0, sizeof( mkv_track_t ) );
4006
4007     es_format_Init( &tk->fmt, UNKNOWN_ES, 0 );
4008     tk->fmt.psz_language = strdup("English");
4009     tk->fmt.psz_description = NULL;
4010
4011     tk->b_default = VLC_TRUE;
4012     tk->b_enabled = VLC_TRUE;
4013     tk->b_silent = VLC_FALSE;
4014     tk->i_number = tracks.size() - 1;
4015     tk->i_extra_data = 0;
4016     tk->p_extra_data = NULL;
4017     tk->psz_codec = NULL;
4018     tk->i_default_duration = 0;
4019     tk->f_timecodescale = 1.0;
4020
4021     tk->b_inited = VLC_FALSE;
4022     tk->i_data_init = 0;
4023     tk->p_data_init = NULL;
4024
4025     tk->psz_codec_name = NULL;
4026     tk->psz_codec_settings = NULL;
4027     tk->psz_codec_info_url = NULL;
4028     tk->psz_codec_download_url = NULL;
4029
4030     tk->i_compression_type = MATROSKA_COMPRESSION_NONE;
4031     tk->p_compression_data = NULL;
4032
4033     for( i = 0; i < m->ListSize(); i++ )
4034     {
4035         EbmlElement *l = (*m)[i];
4036
4037         if( MKV_IS_ID( l, KaxTrackNumber ) )
4038         {
4039             KaxTrackNumber &tnum = *(KaxTrackNumber*)l;
4040
4041             tk->i_number = uint32( tnum );
4042             msg_Dbg( &sys.demuxer, "|   |   |   + Track Number=%u", uint32( tnum ) );
4043         }
4044         else  if( MKV_IS_ID( l, KaxTrackUID ) )
4045         {
4046             KaxTrackUID &tuid = *(KaxTrackUID*)l;
4047
4048             msg_Dbg( &sys.demuxer, "|   |   |   + Track UID=%u",  uint32( tuid ) );
4049         }
4050         else  if( MKV_IS_ID( l, KaxTrackType ) )
4051         {
4052             char *psz_type;
4053             KaxTrackType &ttype = *(KaxTrackType*)l;
4054
4055             switch( uint8(ttype) )
4056             {
4057                 case track_audio:
4058                     psz_type = "audio";
4059                     tk->fmt.i_cat = AUDIO_ES;
4060                     break;
4061                 case track_video:
4062                     psz_type = "video";
4063                     tk->fmt.i_cat = VIDEO_ES;
4064                     break;
4065                 case track_subtitle:
4066                     psz_type = "subtitle";
4067                     tk->fmt.i_cat = SPU_ES;
4068                     break;
4069                 case track_buttons:
4070                     psz_type = "buttons";
4071                     tk->fmt.i_cat = SPU_ES;
4072                     break;
4073                 default:
4074                     psz_type = "unknown";
4075                     tk->fmt.i_cat = UNKNOWN_ES;
4076                     break;
4077             }
4078
4079             msg_Dbg( &sys.demuxer, "|   |   |   + Track Type=%s", psz_type );
4080         }
4081 //        else  if( EbmlId( *l ) == KaxTrackFlagEnabled::ClassInfos.GlobalId )
4082 //        {
4083 //            KaxTrackFlagEnabled &fenb = *(KaxTrackFlagEnabled*)l;
4084
4085 //            tk->b_enabled = uint32( fenb );
4086 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Enabled=%u",
4087 //                     uint32( fenb )  );
4088 //        }
4089         else  if( MKV_IS_ID( l, KaxTrackFlagDefault ) )
4090         {
4091             KaxTrackFlagDefault &fdef = *(KaxTrackFlagDefault*)l;
4092
4093             tk->b_default = uint32( fdef );
4094             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default=%u", uint32( fdef )  );
4095         }
4096         else  if( MKV_IS_ID( l, KaxTrackFlagLacing ) )
4097         {
4098             KaxTrackFlagLacing &lac = *(KaxTrackFlagLacing*)l;
4099
4100             msg_Dbg( &sys.demuxer, "|   |   |   + Track Lacing=%d", uint32( lac ) );
4101         }
4102         else  if( MKV_IS_ID( l, KaxTrackMinCache ) )
4103         {
4104             KaxTrackMinCache &cmin = *(KaxTrackMinCache*)l;
4105
4106             msg_Dbg( &sys.demuxer, "|   |   |   + Track MinCache=%d", uint32( cmin ) );
4107         }
4108         else  if( MKV_IS_ID( l, KaxTrackMaxCache ) )
4109         {
4110             KaxTrackMaxCache &cmax = *(KaxTrackMaxCache*)l;
4111
4112             msg_Dbg( &sys.demuxer, "|   |   |   + Track MaxCache=%d", uint32( cmax ) );
4113         }
4114         else  if( MKV_IS_ID( l, KaxTrackDefaultDuration ) )
4115         {
4116             KaxTrackDefaultDuration &defd = *(KaxTrackDefaultDuration*)l;
4117
4118             tk->i_default_duration = uint64(defd);
4119             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default Duration="I64Fd, uint64(defd) );
4120         }
4121         else  if( MKV_IS_ID( l, KaxTrackTimecodeScale ) )
4122         {
4123             KaxTrackTimecodeScale &ttcs = *(KaxTrackTimecodeScale*)l;
4124
4125             tk->f_timecodescale = float( ttcs );
4126             msg_Dbg( &sys.demuxer, "|   |   |   + Track TimeCodeScale=%f", tk->f_timecodescale );
4127         }
4128         else if( MKV_IS_ID( l, KaxTrackName ) )
4129         {
4130             KaxTrackName &tname = *(KaxTrackName*)l;
4131
4132             tk->fmt.psz_description = ToUTF8( UTFstring( tname ) );
4133             msg_Dbg( &sys.demuxer, "|   |   |   + Track Name=%s", tk->fmt.psz_description );
4134         }
4135         else  if( MKV_IS_ID( l, KaxTrackLanguage ) )
4136         {
4137             KaxTrackLanguage &lang = *(KaxTrackLanguage*)l;
4138
4139             if ( tk->fmt.psz_language != NULL )
4140                 free( tk->fmt.psz_language );
4141             tk->fmt.psz_language = strdup( string( lang ).c_str() );
4142             msg_Dbg( &sys.demuxer,
4143                      "|   |   |   + Track Language=`%s'", tk->fmt.psz_language );
4144         }
4145         else  if( MKV_IS_ID( l, KaxCodecID ) )
4146         {
4147             KaxCodecID &codecid = *(KaxCodecID*)l;
4148
4149             tk->psz_codec = strdup( string( codecid ).c_str() );
4150             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecId=%s", string( codecid ).c_str() );
4151         }
4152         else  if( MKV_IS_ID( l, KaxCodecPrivate ) )
4153         {
4154             KaxCodecPrivate &cpriv = *(KaxCodecPrivate*)l;
4155
4156             tk->i_extra_data = cpriv.GetSize();
4157             if( tk->i_extra_data > 0 )
4158             {
4159                 tk->p_extra_data = (uint8_t*)malloc( tk->i_extra_data );
4160                 memcpy( tk->p_extra_data, cpriv.GetBuffer(), tk->i_extra_data );
4161             }
4162             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecPrivate size="I64Fd, cpriv.GetSize() );
4163         }
4164         else if( MKV_IS_ID( l, KaxCodecName ) )
4165         {
4166             KaxCodecName &cname = *(KaxCodecName*)l;
4167
4168             tk->psz_codec_name = ToUTF8( UTFstring( cname ) );
4169             msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Name=%s", tk->psz_codec_name );
4170         }
4171         else if( MKV_IS_ID( l, KaxContentEncodings ) )
4172         {
4173             EbmlMaster *cencs = static_cast<EbmlMaster*>(l);
4174             MkvTree( sys.demuxer, 3, "Content Encodings" );
4175             if ( cencs->ListSize() > 1 )
4176             {
4177                 msg_Err( &sys.demuxer, "Multiple Compression method not supported" );
4178                 bSupported = false;
4179             }
4180             for( j = 0; j < cencs->ListSize(); j++ )
4181             {
4182                 EbmlElement *l2 = (*cencs)[j];
4183                 if( MKV_IS_ID( l2, KaxContentEncoding ) )
4184                 {
4185                     MkvTree( sys.demuxer, 4, "Content Encoding" );
4186                     EbmlMaster *cenc = static_cast<EbmlMaster*>(l2);
4187                     for( k = 0; k < cenc->ListSize(); k++ )
4188                     {
4189                         EbmlElement *l3 = (*cenc)[k];
4190                         if( MKV_IS_ID( l3, KaxContentEncodingOrder ) )
4191                         {
4192                             KaxContentEncodingOrder &encord = *(KaxContentEncodingOrder*)l3;
4193                             MkvTree( sys.demuxer, 5, "Order: %i", uint32( encord ) );
4194                         }
4195                         else if( MKV_IS_ID( l3, KaxContentEncodingScope ) )
4196                         {
4197                             KaxContentEncodingScope &encscope = *(KaxContentEncodingScope*)l3;
4198                             MkvTree( sys.demuxer, 5, "Scope: %i", uint32( encscope ) );
4199                         }
4200                         else if( MKV_IS_ID( l3, KaxContentEncodingType ) )
4201                         {
4202                             KaxContentEncodingType &enctype = *(KaxContentEncodingType*)l3;
4203                             MkvTree( sys.demuxer, 5, "Type: %i", uint32( enctype ) );
4204                         }
4205                         else if( MKV_IS_ID( l3, KaxContentCompression ) )
4206                         {
4207                             EbmlMaster *compr = static_cast<EbmlMaster*>(l3);
4208                             MkvTree( sys.demuxer, 5, "Content Compression" );
4209                             for( n = 0; n < compr->ListSize(); n++ )
4210                             {
4211                                 EbmlElement *l4 = (*compr)[n];
4212                                 if( MKV_IS_ID( l4, KaxContentCompAlgo ) )
4213                                 {
4214                                     KaxContentCompAlgo &compalg = *(KaxContentCompAlgo*)l4;
4215                                     MkvTree( sys.demuxer, 6, "Compression Algorithm: %i", uint32(compalg) );
4216                                     tk->i_compression_type = uint32( compalg );
4217                                     if ( ( tk->i_compression_type != MATROSKA_COMPRESSION_ZLIB ) &&
4218                                          ( tk->i_compression_type != MATROSKA_COMPRESSION_HEADER ) )
4219                                     {
4220                                         msg_Err( &sys.demuxer, "Track Compression method %d not supported", tk->i_compression_type );
4221                                         bSupported = false;
4222                                     }
4223                                 }
4224                                 else if( MKV_IS_ID( l4, KaxContentCompSettings ) )
4225                                 {
4226                                     tk->p_compression_data = new KaxContentCompSettings( *(KaxContentCompSettings*)l4 );
4227                                 }
4228                                 else
4229                                 {
4230                                     MkvTree( sys.demuxer, 6, "Unknown (%s)", typeid(*l4).name() );
4231                                 }
4232                             }
4233                         }
4234
4235                         else
4236                         {
4237                             MkvTree( sys.demuxer, 5, "Unknown (%s)", typeid(*l3).name() );
4238                         }
4239                     }
4240
4241                 }
4242                 else
4243                 {
4244                     MkvTree( sys.demuxer, 4, "Unknown (%s)", typeid(*l2).name() );
4245                 }
4246             }
4247
4248         }
4249 //        else if( EbmlId( *l ) == KaxCodecSettings::ClassInfos.GlobalId )
4250 //        {
4251 //            KaxCodecSettings &cset = *(KaxCodecSettings*)l;
4252
4253 //            tk->psz_codec_settings = ToUTF8( UTFstring( cset ) );
4254 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Settings=%s", tk->psz_codec_settings );
4255 //        }
4256 //        else if( EbmlId( *l ) == KaxCodecInfoURL::ClassInfos.GlobalId )
4257 //        {
4258 //            KaxCodecInfoURL &ciurl = *(KaxCodecInfoURL*)l;
4259
4260 //            tk->psz_codec_info_url = strdup( string( ciurl ).c_str() );
4261 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_info_url );
4262 //        }
4263 //        else if( EbmlId( *l ) == KaxCodecDownloadURL::ClassInfos.GlobalId )
4264 //        {
4265 //            KaxCodecDownloadURL &cdurl = *(KaxCodecDownloadURL*)l;
4266
4267 //            tk->psz_codec_download_url = strdup( string( cdurl ).c_str() );
4268 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_download_url );
4269 //        }
4270 //        else if( EbmlId( *l ) == KaxCodecDecodeAll::ClassInfos.GlobalId )
4271 //        {
4272 //            KaxCodecDecodeAll &cdall = *(KaxCodecDecodeAll*)l;
4273
4274 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Decode All=%u <== UNUSED", uint8( cdall ) );
4275 //        }
4276 //        else if( EbmlId( *l ) == KaxTrackOverlay::ClassInfos.GlobalId )
4277 //        {
4278 //            KaxTrackOverlay &tovr = *(KaxTrackOverlay*)l;
4279
4280 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Overlay=%u <== UNUSED", uint32( tovr ) );
4281 //        }
4282         else  if( MKV_IS_ID( l, KaxTrackVideo ) )
4283         {
4284             EbmlMaster *tkv = static_cast<EbmlMaster*>(l);
4285             unsigned int j;
4286
4287             msg_Dbg( &sys.demuxer, "|   |   |   + Track Video" );
4288             tk->f_fps = 0.0;
4289
4290             tk->fmt.video.i_frame_rate_base = (unsigned int)(tk->i_default_duration / 1000);
4291             tk->fmt.video.i_frame_rate = 1000000;
4292
4293             for( j = 0; j < tkv->ListSize(); j++ )
4294             {
4295                 EbmlElement *l = (*tkv)[j];
4296 //                if( EbmlId( *el4 ) == KaxVideoFlagInterlaced::ClassInfos.GlobalId )
4297 //                {
4298 //                    KaxVideoFlagInterlaced &fint = *(KaxVideoFlagInterlaced*)el4;
4299
4300 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Interlaced=%u", uint8( fint ) );
4301 //                }
4302 //                else if( EbmlId( *el4 ) == KaxVideoStereoMode::ClassInfos.GlobalId )
4303 //                {
4304 //                    KaxVideoStereoMode &stereo = *(KaxVideoStereoMode*)el4;
4305
4306 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Stereo Mode=%u", uint8( stereo ) );
4307 //                }
4308 //                else
4309                 if( MKV_IS_ID( l, KaxVideoPixelWidth ) )
4310                 {
4311                     KaxVideoPixelWidth &vwidth = *(KaxVideoPixelWidth*)l;
4312
4313                     tk->fmt.video.i_width = uint16( vwidth );
4314                     msg_Dbg( &sys.demuxer, "|   |   |   |   + width=%d", uint16( vwidth ) );
4315                 }
4316                 else if( MKV_IS_ID( l, KaxVideoPixelHeight ) )
4317                 {
4318                     KaxVideoPixelWidth &vheight = *(KaxVideoPixelWidth*)l;
4319
4320                     tk->fmt.video.i_height = uint16( vheight );
4321                     msg_Dbg( &sys.demuxer, "|   |   |   |   + height=%d", uint16( vheight ) );
4322                 }
4323                 else if( MKV_IS_ID( l, KaxVideoDisplayWidth ) )
4324                 {
4325                     KaxVideoDisplayWidth &vwidth = *(KaxVideoDisplayWidth*)l;
4326
4327                     tk->fmt.video.i_visible_width = uint16( vwidth );
4328                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display width=%d", uint16( vwidth ) );
4329                 }
4330                 else if( MKV_IS_ID( l, KaxVideoDisplayHeight ) )
4331                 {
4332                     KaxVideoDisplayWidth &vheight = *(KaxVideoDisplayWidth*)l;
4333
4334                     tk->fmt.video.i_visible_height = uint16( vheight );
4335                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display height=%d", uint16( vheight ) );
4336                 }
4337                 else if( MKV_IS_ID( l, KaxVideoFrameRate ) )
4338                 {
4339                     KaxVideoFrameRate &vfps = *(KaxVideoFrameRate*)l;
4340
4341                     tk->f_fps = float( vfps );
4342                     msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( vfps ) );
4343                 }
4344 //                else if( EbmlId( *l ) == KaxVideoDisplayUnit::ClassInfos.GlobalId )
4345 //                {
4346 //                     KaxVideoDisplayUnit &vdmode = *(KaxVideoDisplayUnit*)l;
4347
4348 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Display Unit=%s",
4349 //                             uint8( vdmode ) == 0 ? "pixels" : ( uint8( vdmode ) == 1 ? "centimeters": "inches" ) );
4350 //                }
4351 //                else if( EbmlId( *l ) == KaxVideoAspectRatio::ClassInfos.GlobalId )
4352 //                {
4353 //                    KaxVideoAspectRatio &ratio = *(KaxVideoAspectRatio*)l;
4354
4355 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + Track Video Aspect Ratio Type=%u", uint8( ratio ) );
4356 //                }
4357 //                else if( EbmlId( *l ) == KaxVideoGamma::ClassInfos.GlobalId )
4358 //                {
4359 //                    KaxVideoGamma &gamma = *(KaxVideoGamma*)l;
4360
4361 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( gamma ) );
4362 //                }
4363                 else
4364                 {
4365                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4366                 }
4367             }
4368             if ( tk->fmt.video.i_visible_height && tk->fmt.video.i_visible_width )
4369                 tk->fmt.video.i_aspect = VOUT_ASPECT_FACTOR * tk->fmt.video.i_visible_width / tk->fmt.video.i_visible_height;
4370         }
4371         else  if( MKV_IS_ID( l, KaxTrackAudio ) )
4372         {
4373             EbmlMaster *tka = static_cast<EbmlMaster*>(l);
4374             unsigned int j;
4375
4376             msg_Dbg( &sys.demuxer, "|   |   |   + Track Audio" );
4377
4378             for( j = 0; j < tka->ListSize(); j++ )
4379             {
4380                 EbmlElement *l = (*tka)[j];
4381
4382                 if( MKV_IS_ID( l, KaxAudioSamplingFreq ) )
4383                 {
4384                     KaxAudioSamplingFreq &afreq = *(KaxAudioSamplingFreq*)l;
4385
4386                     tk->fmt.audio.i_rate = (int)float( afreq );
4387                     msg_Dbg( &sys.demuxer, "|   |   |   |   + afreq=%d", tk->fmt.audio.i_rate );
4388                 }
4389                 else if( MKV_IS_ID( l, KaxAudioChannels ) )
4390                 {
4391                     KaxAudioChannels &achan = *(KaxAudioChannels*)l;
4392
4393                     tk->fmt.audio.i_channels = uint8( achan );
4394                     msg_Dbg( &sys.demuxer, "|   |   |   |   + achan=%u", uint8( achan ) );
4395                 }
4396                 else if( MKV_IS_ID( l, KaxAudioBitDepth ) )
4397                 {
4398                     KaxAudioBitDepth &abits = *(KaxAudioBitDepth*)l;
4399
4400                     tk->fmt.audio.i_bitspersample = uint8( abits );
4401                     msg_Dbg( &sys.demuxer, "|   |   |   |   + abits=%u", uint8( abits ) );
4402                 }
4403                 else
4404                 {
4405                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4406                 }
4407             }
4408         }
4409         else
4410         {
4411             msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)",
4412                      typeid(*l).name() );
4413         }
4414     }
4415
4416     if ( bSupported )
4417     {
4418         tracks.push_back( tk );
4419     }
4420     else
4421     {
4422         msg_Err( &sys.demuxer, "Track Entry %d not supported", tk->i_number );
4423         delete tk;
4424     }
4425 }
4426
4427 /*****************************************************************************
4428  * ParseTracks:
4429  *****************************************************************************/
4430 void matroska_segment_c::ParseTracks( KaxTracks *tracks )
4431 {
4432     EbmlElement *el;
4433     unsigned int i;
4434     int i_upper_level = 0;
4435
4436     msg_Dbg( &sys.demuxer, "|   + Tracks" );
4437
4438     /* Master elements */
4439     tracks->Read( es, tracks->Generic().Context, i_upper_level, el, true );
4440
4441     for( i = 0; i < tracks->ListSize(); i++ )
4442     {
4443         EbmlElement *l = (*tracks)[i];
4444
4445         if( MKV_IS_ID( l, KaxTrackEntry ) )
4446         {
4447             ParseTrackEntry( static_cast<KaxTrackEntry *>(l) );
4448         }
4449         else
4450         {
4451             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4452         }
4453     }
4454 }
4455
4456 /*****************************************************************************
4457  * ParseInfo:
4458  *****************************************************************************/
4459 void matroska_segment_c::ParseInfo( KaxInfo *info )
4460 {
4461     EbmlElement *el;
4462     EbmlMaster  *m;
4463     size_t i, j;
4464     int i_upper_level = 0;
4465
4466     msg_Dbg( &sys.demuxer, "|   + Information" );
4467
4468     /* Master elements */
4469     m = static_cast<EbmlMaster *>(info);
4470     m->Read( es, info->Generic().Context, i_upper_level, el, true );
4471
4472     for( i = 0; i < m->ListSize(); i++ )
4473     {
4474         EbmlElement *l = (*m)[i];
4475
4476         if( MKV_IS_ID( l, KaxSegmentUID ) )
4477         {
4478             if ( p_segment_uid == NULL )
4479                 p_segment_uid = new KaxSegmentUID(*static_cast<KaxSegmentUID*>(l));
4480
4481             msg_Dbg( &sys.demuxer, "|   |   + UID=%d", *(uint32*)p_segment_uid->GetBuffer() );
4482         }
4483         else if( MKV_IS_ID( l, KaxPrevUID ) )
4484         {
4485             if ( p_prev_segment_uid == NULL )
4486                 p_prev_segment_uid = new KaxPrevUID(*static_cast<KaxPrevUID*>(l));
4487
4488             msg_Dbg( &sys.demuxer, "|   |   + PrevUID=%d", *(uint32*)p_prev_segment_uid->GetBuffer() );
4489         }
4490         else if( MKV_IS_ID( l, KaxNextUID ) )
4491         {
4492             if ( p_next_segment_uid == NULL )
4493                 p_next_segment_uid = new KaxNextUID(*static_cast<KaxNextUID*>(l));
4494
4495             msg_Dbg( &sys.demuxer, "|   |   + NextUID=%d", *(uint32*)p_next_segment_uid->GetBuffer() );
4496         }
4497         else if( MKV_IS_ID( l, KaxTimecodeScale ) )
4498         {
4499             KaxTimecodeScale &tcs = *(KaxTimecodeScale*)l;
4500
4501             i_timescale = uint64(tcs);
4502
4503             msg_Dbg( &sys.demuxer, "|   |   + TimecodeScale="I64Fd,
4504                      i_timescale );
4505         }
4506         else if( MKV_IS_ID( l, KaxDuration ) )
4507         {
4508             KaxDuration &dur = *(KaxDuration*)l;
4509
4510             i_duration = mtime_t( double( dur ) );
4511
4512             msg_Dbg( &sys.demuxer, "|   |   + Duration="I64Fd,
4513                      i_duration );
4514         }
4515         else if( MKV_IS_ID( l, KaxMuxingApp ) )
4516         {
4517             KaxMuxingApp &mapp = *(KaxMuxingApp*)l;
4518
4519             psz_muxing_application = ToUTF8( UTFstring( mapp ) );
4520
4521             msg_Dbg( &sys.demuxer, "|   |   + Muxing Application=%s",
4522                      psz_muxing_application );
4523         }
4524         else if( MKV_IS_ID( l, KaxWritingApp ) )
4525         {
4526             KaxWritingApp &wapp = *(KaxWritingApp*)l;
4527
4528             psz_writing_application = ToUTF8( UTFstring( wapp ) );
4529
4530             msg_Dbg( &sys.demuxer, "|   |   + Writing Application=%s",
4531                      psz_writing_application );
4532         }
4533         else if( MKV_IS_ID( l, KaxSegmentFilename ) )
4534         {
4535             KaxSegmentFilename &sfn = *(KaxSegmentFilename*)l;
4536
4537             psz_segment_filename = ToUTF8( UTFstring( sfn ) );
4538
4539             msg_Dbg( &sys.demuxer, "|   |   + Segment Filename=%s",
4540                      psz_segment_filename );
4541         }
4542         else if( MKV_IS_ID( l, KaxTitle ) )
4543         {
4544             KaxTitle &title = *(KaxTitle*)l;
4545
4546             psz_title = ToUTF8( UTFstring( title ) );
4547
4548             msg_Dbg( &sys.demuxer, "|   |   + Title=%s", psz_title );
4549         }
4550         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
4551         {
4552             KaxSegmentFamily *uid = static_cast<KaxSegmentFamily*>(l);
4553
4554             families.push_back( new KaxSegmentFamily(*uid) );
4555
4556             msg_Dbg( &sys.demuxer, "|   |   + family=%d", *(uint32*)uid->GetBuffer() );
4557         }
4558 #if defined( HAVE_GMTIME_R ) && !defined( SYS_DARWIN )
4559         else if( MKV_IS_ID( l, KaxDateUTC ) )
4560         {
4561             KaxDateUTC &date = *(KaxDateUTC*)l;
4562             time_t i_date;
4563             struct tm tmres;
4564             char   buffer[256];
4565
4566             i_date = date.GetEpochDate();
4567             memset( buffer, 0, 256 );
4568             if( gmtime_r( &i_date, &tmres ) &&
4569                 asctime_r( &tmres, buffer ) )
4570             {
4571                 buffer[strlen( buffer)-1]= '\0';
4572                 psz_date_utc = strdup( buffer );
4573                 msg_Dbg( &sys.demuxer, "|   |   + Date=%s", psz_date_utc );
4574             }
4575         }
4576 #endif
4577 #if LIBMATROSKA_VERSION >= 0x000704
4578         else if( MKV_IS_ID( l, KaxChapterTranslate ) )
4579         {
4580             KaxChapterTranslate *p_trans = static_cast<KaxChapterTranslate*>( l );
4581             chapter_translation_c *p_translate = new chapter_translation_c();
4582
4583             p_trans->Read( es, p_trans->Generic().Context, i_upper_level, el, true );
4584             for( j = 0; j < p_trans->ListSize(); j++ )
4585             {
4586                 EbmlElement *l = (*p_trans)[j];
4587
4588                 if( MKV_IS_ID( l, KaxChapterTranslateEditionUID ) )
4589                 {
4590                     p_translate->editions.push_back( uint64( *static_cast<KaxChapterTranslateEditionUID*>( l ) ) );
4591                 }
4592                 else if( MKV_IS_ID( l, KaxChapterTranslateCodec ) )
4593                 {
4594                     p_translate->codec_id = uint32( *static_cast<KaxChapterTranslateCodec*>( l ) );
4595                 }
4596                 else if( MKV_IS_ID( l, KaxChapterTranslateID ) )
4597                 {
4598                     p_translate->p_translated = new KaxChapterTranslateID( *static_cast<KaxChapterTranslateID*>( l ) );
4599                 }
4600             }
4601
4602             translations.push_back( p_translate );
4603         }
4604 #endif
4605         else
4606         {
4607             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4608         }
4609     }
4610
4611     double f_dur = double(i_duration) * double(i_timescale) / 1000000.0;
4612     i_duration = mtime_t(f_dur);
4613 }
4614
4615
4616 /*****************************************************************************
4617  * ParseChapterAtom
4618  *****************************************************************************/
4619 void matroska_segment_c::ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters )
4620 {
4621     size_t i, j;
4622
4623     msg_Dbg( &sys.demuxer, "|   |   |   + ChapterAtom (level=%d)", i_level );
4624     for( i = 0; i < ca->ListSize(); i++ )
4625     {
4626         EbmlElement *l = (*ca)[i];
4627
4628         if( MKV_IS_ID( l, KaxChapterUID ) )
4629         {
4630             chapters.i_uid = uint64_t(*(KaxChapterUID*)l);
4631             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterUID: %lld", chapters.i_uid );
4632         }
4633         else if( MKV_IS_ID( l, KaxChapterFlagHidden ) )
4634         {
4635             KaxChapterFlagHidden &flag =*(KaxChapterFlagHidden*)l;
4636             chapters.b_display_seekpoint = uint8( flag ) == 0;
4637
4638             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterFlagHidden: %s", chapters.b_display_seekpoint ? "no":"yes" );
4639         }
4640         else if( MKV_IS_ID( l, KaxChapterTimeStart ) )
4641         {
4642             KaxChapterTimeStart &start =*(KaxChapterTimeStart*)l;
4643             chapters.i_start_time = uint64( start ) / I64C(1000);
4644
4645             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeStart: %lld", chapters.i_start_time );
4646         }
4647         else if( MKV_IS_ID( l, KaxChapterTimeEnd ) )
4648         {
4649             KaxChapterTimeEnd &end =*(KaxChapterTimeEnd*)l;
4650             chapters.i_end_time = uint64( end ) / I64C(1000);
4651
4652             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeEnd: %lld", chapters.i_end_time );
4653         }
4654         else if( MKV_IS_ID( l, KaxChapterDisplay ) )
4655         {
4656             EbmlMaster *cd = static_cast<EbmlMaster *>(l);
4657
4658             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterDisplay" );
4659             for( j = 0; j < cd->ListSize(); j++ )
4660             {
4661                 EbmlElement *l= (*cd)[j];
4662
4663                 if( MKV_IS_ID( l, KaxChapterString ) )
4664                 {
4665                     int k;
4666
4667                     KaxChapterString &name =*(KaxChapterString*)l;
4668                     for (k = 0; k < i_level; k++)
4669                         chapters.psz_name += '+';
4670                     chapters.psz_name += ' ';
4671                     char *psz_tmp_utf8 = ToUTF8( UTFstring( name ) );
4672                     chapters.psz_name += psz_tmp_utf8;
4673                     chapters.b_user_display = true;
4674
4675                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterString '%s'", psz_tmp_utf8 );
4676                     free( psz_tmp_utf8 );
4677                 }
4678                 else if( MKV_IS_ID( l, KaxChapterLanguage ) )
4679                 {
4680                     KaxChapterLanguage &lang =*(KaxChapterLanguage*)l;
4681                     const char *psz = string( lang ).c_str();
4682
4683                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterLanguage '%s'", psz );
4684                 }
4685                 else if( MKV_IS_ID( l, KaxChapterCountry ) )
4686                 {
4687                     KaxChapterCountry &ct =*(KaxChapterCountry*)l;
4688                     const char *psz = string( ct ).c_str();
4689
4690                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterCountry '%s'", psz );
4691                 }
4692             }
4693         }
4694         else if( MKV_IS_ID( l, KaxChapterProcess ) )
4695         {
4696             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterProcess" );
4697
4698             KaxChapterProcess *cp = static_cast<KaxChapterProcess *>(l);
4699             chapter_codec_cmds_c *p_ccodec = NULL;
4700
4701             for( j = 0; j < cp->ListSize(); j++ )
4702             {
4703                 EbmlElement *k= (*cp)[j];
4704
4705                 if( MKV_IS_ID( k, KaxChapterProcessCodecID ) )
4706                 {
4707                     KaxChapterProcessCodecID *p_codec_id = static_cast<KaxChapterProcessCodecID*>( k );
4708                     if ( uint32(*p_codec_id) == 0 )
4709                         p_ccodec = new matroska_script_codec_c( sys );
4710                     else if ( uint32(*p_codec_id) == 1 )
4711                         p_ccodec = new dvd_chapter_codec_c( sys );
4712                     break;
4713                 }
4714             }
4715
4716             if ( p_ccodec != NULL )
4717             {
4718                 for( j = 0; j < cp->ListSize(); j++ )
4719                 {
4720                     EbmlElement *k= (*cp)[j];
4721
4722                     if( MKV_IS_ID( k, KaxChapterProcessPrivate ) )
4723                     {
4724                         KaxChapterProcessPrivate * p_private = static_cast<KaxChapterProcessPrivate*>( k );
4725                         p_ccodec->SetPrivate( *p_private );
4726                     }
4727                     else if( MKV_IS_ID( k, KaxChapterProcessCommand ) )
4728                     {
4729                         p_ccodec->AddCommand( *static_cast<KaxChapterProcessCommand*>( k ) );
4730                     }
4731                 }
4732                 chapters.codecs.push_back( p_ccodec );
4733             }
4734         }
4735         else if( MKV_IS_ID( l, KaxChapterAtom ) )
4736         {
4737             chapter_item_c *new_sub_chapter = new chapter_item_c();
4738             ParseChapterAtom( i_level+1, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4739             new_sub_chapter->psz_parent = &chapters;
4740             chapters.sub_chapters.push_back( new_sub_chapter );
4741         }
4742     }
4743 }
4744
4745 /*****************************************************************************
4746  * ParseChapters:
4747  *****************************************************************************/
4748 void matroska_segment_c::ParseChapters( KaxChapters *chapters )
4749 {
4750     EbmlElement *el;
4751     size_t i;
4752     int i_upper_level = 0;
4753     mtime_t i_dur;
4754
4755     /* Master elements */
4756     chapters->Read( es, chapters->Generic().Context, i_upper_level, el, true );
4757
4758     for( i = 0; i < chapters->ListSize(); i++ )
4759     {
4760         EbmlElement *l = (*chapters)[i];
4761
4762         if( MKV_IS_ID( l, KaxEditionEntry ) )
4763         {
4764             chapter_edition_c *p_edition = new chapter_edition_c();
4765
4766             EbmlMaster *E = static_cast<EbmlMaster *>(l );
4767             size_t j;
4768             msg_Dbg( &sys.demuxer, "|   |   + EditionEntry" );
4769             for( j = 0; j < E->ListSize(); j++ )
4770             {
4771                 EbmlElement *l = (*E)[j];
4772
4773                 if( MKV_IS_ID( l, KaxChapterAtom ) )
4774                 {
4775                     chapter_item_c *new_sub_chapter = new chapter_item_c();
4776                     ParseChapterAtom( 0, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4777                     p_edition->sub_chapters.push_back( new_sub_chapter );
4778                 }
4779                 else if( MKV_IS_ID( l, KaxEditionUID ) )
4780                 {
4781                     p_edition->i_uid = uint64(*static_cast<KaxEditionUID *>( l ));
4782                 }
4783                 else if( MKV_IS_ID( l, KaxEditionFlagOrdered ) )
4784                 {
4785                     p_edition->b_ordered = config_GetInt( &sys.demuxer, "mkv-use-ordered-chapters" ) ? (uint8(*static_cast<KaxEditionFlagOrdered *>( l )) != 0) : 0;
4786                 }
4787                 else if( MKV_IS_ID( l, KaxEditionFlagDefault ) )
4788                 {
4789                     if (uint8(*static_cast<KaxEditionFlagDefault *>( l )) != 0)
4790                         i_default_edition = stored_editions.size();
4791                 }
4792                 else
4793                 {
4794                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
4795                 }
4796             }
4797             stored_editions.push_back( p_edition );
4798         }
4799         else
4800         {
4801             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4802         }
4803     }
4804
4805     for( i = 0; i < stored_editions.size(); i++ )
4806     {
4807         stored_editions[i]->RefreshChapters( );
4808     }
4809
4810     if ( stored_editions.size() != 0 && stored_editions[i_default_edition]->b_ordered )
4811     {
4812         /* update the duration of the segment according to the sum of all sub chapters */
4813         i_dur = stored_editions[i_default_edition]->Duration() / I64C(1000);
4814         if (i_dur > 0)
4815             i_duration = i_dur;
4816     }
4817 }
4818
4819 void matroska_segment_c::ParseCluster( )
4820 {
4821     EbmlElement *el;
4822     EbmlMaster  *m;
4823     unsigned int i;
4824     int i_upper_level = 0;
4825
4826     /* Master elements */
4827     m = static_cast<EbmlMaster *>( cluster );
4828     m->Read( es, cluster->Generic().Context, i_upper_level, el, true );
4829
4830     for( i = 0; i < m->ListSize(); i++ )
4831     {
4832         EbmlElement *l = (*m)[i];
4833
4834         if( MKV_IS_ID( l, KaxClusterTimecode ) )
4835         {
4836             KaxClusterTimecode &ctc = *(KaxClusterTimecode*)l;
4837
4838             cluster->InitTimecode( uint64( ctc ), i_timescale );
4839             break;
4840         }
4841     }
4842
4843     i_start_time = cluster->GlobalTimecode() / 1000;
4844 }
4845
4846 /*****************************************************************************
4847  * InformationCreate:
4848  *****************************************************************************/
4849 void matroska_segment_c::InformationCreate( )
4850 {
4851     size_t      i_track;
4852
4853     sys.meta = vlc_meta_New();
4854
4855     if( psz_title )
4856     {
4857         vlc_meta_Add( sys.meta, VLC_META_TITLE, psz_title );
4858     }
4859     if( psz_date_utc )
4860     {
4861         vlc_meta_Add( sys.meta, VLC_META_DATE, psz_date_utc );
4862     }
4863     if( psz_segment_filename )
4864     {
4865         vlc_meta_Add( sys.meta, _("Segment filename"), psz_segment_filename );
4866     }
4867     if( psz_muxing_application )
4868     {
4869         vlc_meta_Add( sys.meta, _("Muxing application"), psz_muxing_application );
4870     }
4871     if( psz_writing_application )
4872     {
4873         vlc_meta_Add( sys.meta, _("Writing application"), psz_writing_application );
4874     }
4875
4876     for( i_track = 0; i_track < tracks.size(); i_track++ )
4877     {
4878         mkv_track_t *tk = tracks[i_track];
4879         vlc_meta_t *mtk = vlc_meta_New();
4880
4881         sys.meta->track = (vlc_meta_t**)realloc( sys.meta->track,
4882                                                     sizeof( vlc_meta_t * ) * ( sys.meta->i_track + 1 ) );
4883         sys.meta->track[sys.meta->i_track++] = mtk;
4884
4885         if( tk->fmt.psz_description )
4886         {
4887             vlc_meta_Add( sys.meta, VLC_META_DESCRIPTION, tk->fmt.psz_description );
4888         }
4889         if( tk->psz_codec_name )
4890         {
4891             vlc_meta_Add( sys.meta, VLC_META_CODEC_NAME, tk->psz_codec_name );
4892         }
4893         if( tk->psz_codec_settings )
4894         {
4895             vlc_meta_Add( sys.meta, VLC_META_SETTING, tk->psz_codec_settings );
4896         }
4897         if( tk->psz_codec_info_url )
4898         {
4899             vlc_meta_Add( sys.meta, VLC_META_CODEC_DESCRIPTION, tk->psz_codec_info_url );
4900         }
4901         if( tk->psz_codec_download_url )
4902         {
4903             vlc_meta_Add( sys.meta, VLC_META_URL, tk->psz_codec_download_url );
4904         }
4905     }
4906
4907     if( i_tags_position >= 0 )
4908     {
4909         vlc_bool_t b_seekable;
4910
4911         stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
4912         if( b_seekable )
4913         {
4914             LoadTags( );
4915         }
4916     }
4917 }
4918
4919
4920 /*****************************************************************************
4921  * Divers
4922  *****************************************************************************/
4923
4924 void matroska_segment_c::IndexAppendCluster( KaxCluster *cluster )
4925 {
4926 #define idx p_indexes[i_index]
4927     idx.i_track       = -1;
4928     idx.i_block_number= -1;
4929     idx.i_position    = cluster->GetElementPosition();
4930     idx.i_time        = -1;
4931     idx.b_key         = VLC_TRUE;
4932
4933     i_index++;
4934     if( i_index >= i_index_max )
4935     {
4936         i_index_max += 1024;
4937         p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
4938     }
4939 #undef idx
4940 }
4941
4942 void chapter_edition_c::RefreshChapters( )
4943 {
4944     chapter_item_c::RefreshChapters( b_ordered, -1 );
4945     b_display_seekpoint = false;
4946 }
4947
4948 int64_t chapter_item_c::RefreshChapters( bool b_ordered, int64_t i_prev_user_time )
4949 {
4950     int64_t i_user_time = i_prev_user_time;
4951
4952     // first the sub-chapters, and then ourself
4953     std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
4954     while ( index != sub_chapters.end() )
4955     {
4956         i_user_time = (*index)->RefreshChapters( b_ordered, i_user_time );
4957         index++;
4958     }
4959
4960     if ( b_ordered )
4961     {
4962         // the ordered chapters always start at zero
4963         if ( i_prev_user_time == -1 )
4964         {
4965             if ( i_user_time == -1 )
4966                 i_user_time = 0;
4967             i_prev_user_time = 0;
4968         }
4969
4970         i_user_start_time = i_prev_user_time;
4971         if ( i_end_time != -1 && i_user_time == i_prev_user_time )
4972         {
4973             i_user_end_time = i_user_start_time - i_start_time + i_end_time;
4974         }
4975         else
4976         {
4977             i_user_end_time = i_user_time;
4978         }
4979     }
4980     else
4981     {
4982         if ( sub_chapters.begin() != sub_chapters.end() )
4983             std::sort( sub_chapters.begin(), sub_chapters.end(), chapter_item_c::CompareTimecode );
4984         i_user_start_time = i_start_time;
4985         if ( i_end_time != -1 )
4986             i_user_end_time = i_end_time;
4987         else if ( i_user_time != -1 )
4988             i_user_end_time = i_user_time;
4989         else
4990             i_user_end_time = i_user_start_time;
4991     }
4992
4993     return i_user_end_time;
4994 }
4995
4996 mtime_t chapter_edition_c::Duration() const
4997 {
4998     mtime_t i_result = 0;
4999
5000     if ( sub_chapters.size() )
5001     {
5002         std::vector<chapter_item_c*>::const_iterator index = sub_chapters.end();
5003         index--;
5004         i_result = (*index)->i_user_end_time;
5005     }
5006
5007     return i_result;
5008 }
5009
5010 chapter_item_c * chapter_edition_c::FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current )
5011 {
5012     if ( !b_ordered )
5013         p_current = NULL;
5014     bool b_found_current = false;
5015     return chapter_item_c::FindTimecode( i_timecode, p_current, b_found_current );
5016 }
5017
5018 chapter_item_c *chapter_item_c::FindTimecode( mtime_t i_user_timecode, const chapter_item_c * p_current, bool & b_found )
5019 {
5020     chapter_item_c *psz_result = NULL;
5021
5022     if ( p_current == this )
5023         b_found = true;
5024
5025     if ( i_user_timecode >= i_user_start_time &&
5026         ( i_user_timecode < i_user_end_time ||
5027           ( i_user_start_time == i_user_end_time && i_user_timecode == i_user_end_time )))
5028     {
5029         std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
5030         while ( index != sub_chapters.end() && ((p_current == NULL && psz_result == NULL) || (p_current != NULL && (!b_found || psz_result == NULL))))
5031         {
5032             psz_result = (*index)->FindTimecode( i_user_timecode, p_current, b_found );
5033             index++;
5034         }
5035
5036         if ( psz_result == NULL )
5037             psz_result = this;
5038     }
5039
5040     return psz_result;
5041 }
5042
5043 bool chapter_item_c::ParentOf( const chapter_item_c & item ) const
5044 {
5045     if ( &item == this )
5046         return true;
5047
5048     std::vector<chapter_item_c*>::const_iterator index = sub_chapters.begin();
5049     while ( index != sub_chapters.end() )
5050     {
5051         if ( (*index)->ParentOf( item ) )
5052             return true;
5053         index++;
5054     }
5055
5056     return false;
5057 }
5058
5059 void demux_sys_t::PreloadFamily( const matroska_segment_c & of_segment )
5060 {
5061     for (size_t i=0; i<opened_segments.size(); i++)
5062     {
5063         opened_segments[i]->PreloadFamily( of_segment );
5064     }
5065 }
5066 bool matroska_segment_c::PreloadFamily( const matroska_segment_c & of_segment )
5067 {
5068     if ( b_preloaded )
5069         return false;
5070
5071     for (size_t i=0; i<families.size(); i++)
5072     {
5073         for (size_t j=0; j<of_segment.families.size(); j++)
5074         {
5075             if ( *(families[i]) == *(of_segment.families[j]) )
5076                 return Preload( );
5077         }
5078     }
5079
5080     return false;
5081 }
5082
5083 // preload all the linked segments for all preloaded segments
5084 void demux_sys_t::PreloadLinked( matroska_segment_c *p_segment )
5085 {
5086     size_t i_preloaded, i, j;
5087     virtual_segment_c *p_seg;
5088
5089     p_current_segment = VirtualFromSegments( p_segment );
5090
5091     used_segments.push_back( p_current_segment );
5092
5093     // create all the other virtual segments of the family
5094     do {
5095         i_preloaded = 0;
5096         for ( i=0; i< opened_segments.size(); i++ )
5097         {
5098             if ( opened_segments[i]->b_preloaded && !IsUsedSegment( *opened_segments[i] ) )
5099             {
5100                 p_seg = VirtualFromSegments( opened_segments[i] );
5101                 used_segments.push_back( p_seg );
5102                 i_preloaded++;
5103             }
5104         }
5105     } while ( i_preloaded ); // worst case: will stop when all segments are found as family related
5106
5107     // publish all editions of all usable segment
5108     for ( i=0; i< used_segments.size(); i++ )
5109     {
5110         p_seg = used_segments[i];
5111         if ( p_seg->p_editions != NULL )
5112         {
5113             std::string sz_name;
5114             input_title_t *p_title = vlc_input_title_New();
5115             p_seg->i_sys_title = i;
5116             int i_chapters;
5117
5118             // TODO use a name for each edition, let the TITLE deal with a codec name
5119             for ( j=0; j<p_seg->p_editions->size(); j++ )
5120             {
5121                 if ( p_title->psz_name == NULL )
5122                 {
5123                     sz_name = (*p_seg->p_editions)[j]->GetMainName();
5124                     if ( sz_name != "" )
5125                         p_title->psz_name = strdup( sz_name.c_str() );
5126                 }
5127
5128                 chapter_edition_c *p_edition = (*p_seg->p_editions)[j];
5129
5130                 i_chapters = 0;
5131                 p_edition->PublishChapters( *p_title, i_chapters, 0 );
5132             }
5133
5134             // create a name if there is none
5135             if ( p_title->psz_name == NULL )
5136             {
5137                 sz_name = N_("Segment ");
5138                 char psz_str[6];
5139                 sprintf( psz_str, "%d", (int)i );
5140                 sz_name += psz_str;
5141                 p_title->psz_name = strdup( sz_name.c_str() );
5142             }
5143
5144             titles.push_back( p_title );
5145         }
5146     }
5147
5148     // TODO decide which segment should be first used (VMG for DVD)
5149 }
5150
5151 bool demux_sys_t::IsUsedSegment( matroska_segment_c &segment ) const
5152 {
5153     for ( size_t i=0; i< used_segments.size(); i++ )
5154     {
5155         if ( used_segments[i]->FindUID( *segment.p_segment_uid ) )
5156             return true;
5157     }
5158     return false;
5159 }
5160
5161 virtual_segment_c *demux_sys_t::VirtualFromSegments( matroska_segment_c *p_segment ) const
5162 {
5163     size_t i_preloaded, i;
5164
5165     virtual_segment_c *p_result = new virtual_segment_c( p_segment );
5166
5167     // fill our current virtual segment with all hard linked segments
5168     do {
5169         i_preloaded = 0;
5170         for ( i=0; i< opened_segments.size(); i++ )
5171         {
5172             i_preloaded += p_result->AddSegment( opened_segments[i] );
5173         }
5174     } while ( i_preloaded ); // worst case: will stop when all segments are found as linked
5175
5176     p_result->Sort( );
5177
5178     p_result->PreloadLinked( );
5179
5180     p_result->PrepareChapters( );
5181
5182     return p_result;
5183 }
5184
5185 bool demux_sys_t::PreparePlayback( virtual_segment_c *p_new_segment )
5186 {
5187     if ( p_new_segment != NULL && p_new_segment != p_current_segment )
5188     {
5189         if ( p_current_segment != NULL && p_current_segment->Segment() != NULL )
5190             p_current_segment->Segment()->UnSelect();
5191
5192         p_current_segment = p_new_segment;
5193         i_current_title = p_new_segment->i_sys_title;
5194     }
5195
5196     p_current_segment->LoadCues();
5197     f_duration = p_current_segment->Duration();
5198
5199     /* add information */
5200     p_current_segment->Segment()->InformationCreate( );
5201
5202     p_current_segment->Segment()->Select( 0 );
5203
5204     return true;
5205 }
5206
5207 void demux_sys_t::JumpTo( virtual_segment_c & vsegment, chapter_item_c * p_chapter )
5208 {
5209     // if the segment is not part of the current segment, select the new one
5210     if ( &vsegment != p_current_segment )
5211     {
5212         PreparePlayback( &vsegment );
5213     }
5214
5215     if ( p_chapter != NULL )
5216     {
5217         if ( !p_chapter->Enter( true ) )
5218         {
5219             // jump to the location in the found segment
5220             vsegment.Seek( demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5221         }
5222     }
5223
5224 }
5225
5226 bool matroska_segment_c::CompareSegmentUIDs( const matroska_segment_c * p_item_a, const matroska_segment_c * p_item_b )
5227 {
5228     if ( p_item_a == NULL || p_item_b == NULL )
5229         return false;
5230
5231     EbmlBinary * p_itema = (EbmlBinary *)(p_item_a->p_segment_uid);
5232     if ( p_item_b->p_prev_segment_uid != NULL && *p_itema == *p_item_b->p_prev_segment_uid )
5233         return true;
5234
5235     p_itema = (EbmlBinary *)(&p_item_a->p_next_segment_uid);
5236     if ( p_item_b->p_segment_uid != NULL && *p_itema == *p_item_b->p_segment_uid )
5237         return true;
5238
5239     if ( p_item_b->p_prev_segment_uid != NULL && *p_itema == *p_item_b->p_prev_segment_uid )
5240         return true;
5241
5242     return false;
5243 }
5244
5245 bool matroska_segment_c::Preload( )
5246 {
5247     if ( b_preloaded )
5248         return false;
5249
5250     EbmlElement *el = NULL;
5251
5252     ep->Reset( &sys.demuxer );
5253
5254     while( ( el = ep->Get() ) != NULL )
5255     {
5256         if( MKV_IS_ID( el, KaxInfo ) )
5257         {
5258             ParseInfo( static_cast<KaxInfo*>( el ) );
5259         }
5260         else if( MKV_IS_ID( el, KaxTracks ) )
5261         {
5262             ParseTracks( static_cast<KaxTracks*>( el ) );
5263             if ( tracks.size() == 0 )
5264             {
5265                 msg_Err( &sys.demuxer, "No tracks supported" );
5266                 return false;
5267             }
5268         }
5269         else if( MKV_IS_ID( el, KaxSeekHead ) )
5270         {
5271             ParseSeekHead( static_cast<KaxSeekHead*>( el ) );
5272         }
5273         else if( MKV_IS_ID( el, KaxCues ) )
5274         {
5275             msg_Dbg( &sys.demuxer, "|   + Cues" );
5276         }
5277         else if( MKV_IS_ID( el, KaxCluster ) )
5278         {
5279             msg_Dbg( &sys.demuxer, "|   + Cluster" );
5280
5281             cluster = (KaxCluster*)el;
5282
5283             i_cluster_pos = i_start_pos = cluster->GetElementPosition();
5284             ParseCluster( );
5285
5286             ep->Down();
5287             /* stop parsing the stream */
5288             break;
5289         }
5290         else if( MKV_IS_ID( el, KaxAttachments ) )
5291         {
5292             msg_Dbg( &sys.demuxer, "|   + Attachments FIXME (but probably never supported)" );
5293         }
5294         else if( MKV_IS_ID( el, KaxChapters ) )
5295         {
5296             msg_Dbg( &sys.demuxer, "|   + Chapters" );
5297             ParseChapters( static_cast<KaxChapters*>( el ) );
5298         }
5299         else if( MKV_IS_ID( el, KaxTag ) )
5300         {
5301             msg_Dbg( &sys.demuxer, "|   + Tags FIXME TODO" );
5302         }
5303         else
5304         {
5305             msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid(*el).name() );
5306         }
5307     }
5308
5309     b_preloaded = true;
5310
5311     return true;
5312 }
5313
5314 matroska_segment_c *demux_sys_t::FindSegment( const EbmlBinary & uid ) const
5315 {
5316     for (size_t i=0; i<opened_segments.size(); i++)
5317     {
5318         if ( *opened_segments[i]->p_segment_uid == uid )
5319             return opened_segments[i];
5320     }
5321     return NULL;
5322 }
5323
5324 chapter_item_c *demux_sys_t::BrowseCodecPrivate( unsigned int codec_id,
5325                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
5326                                         const void *p_cookie,
5327                                         size_t i_cookie_size,
5328                                         virtual_segment_c * &p_segment_found )
5329 {
5330     chapter_item_c *p_result = NULL;
5331     for (size_t i=0; i<used_segments.size(); i++)
5332     {
5333         p_result = used_segments[i]->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
5334         if ( p_result != NULL )
5335         {
5336             p_segment_found = used_segments[i];
5337             break;
5338         }
5339     }
5340     return p_result;
5341 }
5342
5343 chapter_item_c *demux_sys_t::FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found )
5344 {
5345     chapter_item_c *p_result = NULL;
5346     for (size_t i=0; i<used_segments.size(); i++)
5347     {
5348         p_result = used_segments[i]->FindChapter( i_find_uid );
5349         if ( p_result != NULL )
5350         {
5351             p_segment_found = used_segments[i];
5352             break;
5353         }
5354     }
5355     return p_result;
5356 }
5357
5358 void virtual_segment_c::Sort()
5359 {
5360     // keep the current segment index
5361     matroska_segment_c *p_segment = linked_segments[i_current_segment];
5362
5363     std::sort( linked_segments.begin(), linked_segments.end(), matroska_segment_c::CompareSegmentUIDs );
5364
5365     for ( i_current_segment=0; i_current_segment<linked_segments.size(); i_current_segment++)
5366         if ( linked_segments[i_current_segment] == p_segment )
5367             break;
5368 }
5369
5370 size_t virtual_segment_c::AddSegment( matroska_segment_c *p_segment )
5371 {
5372     size_t i;
5373     // check if it's not already in here
5374     for ( i=0; i<linked_segments.size(); i++ )
5375     {
5376         if ( linked_segments[i]->p_segment_uid != NULL
5377             && p_segment->p_segment_uid != NULL
5378             && *p_segment->p_segment_uid == *linked_segments[i]->p_segment_uid )
5379             return 0;
5380     }
5381
5382     // find possible mates
5383     for ( i=0; i<linked_uids.size(); i++ )
5384     {
5385         if (   (p_segment->p_segment_uid != NULL && *p_segment->p_segment_uid == linked_uids[i])
5386             || (p_segment->p_prev_segment_uid != NULL && *p_segment->p_prev_segment_uid == linked_uids[i])
5387             || (p_segment->p_next_segment_uid !=NULL && *p_segment->p_next_segment_uid == linked_uids[i]) )
5388         {
5389             linked_segments.push_back( p_segment );
5390
5391             AppendUID( p_segment->p_prev_segment_uid );
5392             AppendUID( p_segment->p_next_segment_uid );
5393
5394             return 1;
5395         }
5396     }
5397     return 0;
5398 }
5399
5400 void virtual_segment_c::PreloadLinked( )
5401 {
5402     for ( size_t i=0; i<linked_segments.size(); i++ )
5403     {
5404         linked_segments[i]->Preload( );
5405     }
5406     i_current_edition = linked_segments[0]->i_default_edition;
5407 }
5408
5409 mtime_t virtual_segment_c::Duration() const
5410 {
5411     mtime_t i_duration;
5412     if ( linked_segments.size() == 0 )
5413         i_duration = 0;
5414     else {
5415         matroska_segment_c *p_last_segment = linked_segments[linked_segments.size()-1];
5416 //        p_last_segment->ParseCluster( );
5417
5418         i_duration = p_last_segment->i_start_time / 1000 + p_last_segment->i_duration;
5419     }
5420     return i_duration;
5421 }
5422
5423 void virtual_segment_c::LoadCues( )
5424 {
5425     for ( size_t i=0; i<linked_segments.size(); i++ )
5426     {
5427         linked_segments[i]->LoadCues();
5428     }
5429 }
5430
5431 void virtual_segment_c::AppendUID( const EbmlBinary * p_UID )
5432 {
5433     if ( p_UID == NULL )
5434         return;
5435     if ( p_UID->GetBuffer() == NULL )
5436         return;
5437
5438     for (size_t i=0; i<linked_uids.size(); i++)
5439     {
5440         if ( *p_UID == linked_uids[i] )
5441             return;
5442     }
5443     linked_uids.push_back( *(KaxSegmentUID*)(p_UID) );
5444 }
5445
5446 void matroska_segment_c::Seek( mtime_t i_date, mtime_t i_time_offset )
5447 {
5448     KaxBlock    *block;
5449 #if LIBMATROSKA_VERSION >= 0x000800
5450     KaxSimpleBlock *simpleblock;
5451 #endif
5452     int         i_track_skipping;
5453     int64_t     i_block_duration;
5454     int64_t     i_block_ref1;
5455     int64_t     i_block_ref2;
5456     size_t      i_track;
5457     int64_t     i_seek_position = i_start_pos;
5458     int64_t     i_seek_time = i_start_time;
5459
5460     if ( i_index > 0 )
5461     {
5462         int i_idx = 0;
5463
5464         for( ; i_idx < i_index; i_idx++ )
5465         {
5466             if( p_indexes[i_idx].i_time + i_time_offset > i_date )
5467             {
5468                 break;
5469             }
5470         }
5471
5472         if( i_idx > 0 )
5473         {
5474             i_idx--;
5475         }
5476
5477         i_seek_position = p_indexes[i_idx].i_position;
5478         i_seek_time = p_indexes[i_idx].i_time;
5479     }
5480
5481     msg_Dbg( &sys.demuxer, "seek got "I64Fd" (%d%%)",
5482                 i_seek_time, (int)( 100 * i_seek_position / stream_Size( sys.demuxer.s ) ) );
5483
5484     es.I_O().setFilePointer( i_seek_position, seek_beginning );
5485
5486     delete ep;
5487     ep = new EbmlParser( &es, segment, &sys.demuxer );
5488     cluster = NULL;
5489
5490     sys.i_start_pts = i_date;
5491
5492     es_out_Control( sys.demuxer.out, ES_OUT_RESET_PCR );
5493
5494     /* now parse until key frame */
5495     i_track_skipping = 0;
5496     for( i_track = 0; i_track < tracks.size(); i_track++ )
5497     {
5498         if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5499         {
5500             tracks[i_track]->b_search_keyframe = VLC_TRUE;
5501             i_track_skipping++;
5502         }
5503         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_date );
5504     }
5505
5506
5507     while( i_track_skipping > 0 )
5508     {
5509 #if LIBMATROSKA_VERSION >= 0x000800
5510         if( BlockGet( block, simpleblock, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
5511 #else
5512         if( BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
5513 #endif
5514         {
5515             msg_Warn( &sys.demuxer, "cannot get block EOF?" );
5516
5517             return;
5518         }
5519         ep->Down();
5520
5521         for( i_track = 0; i_track < tracks.size(); i_track++ )
5522         {
5523             if( tracks[i_track]->i_number == block->TrackNum() )
5524             {
5525                 break;
5526             }
5527         }
5528
5529         sys.i_pts = (sys.i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
5530
5531         if( i_track < tracks.size() )
5532         {
5533            if( sys.i_pts >= sys.i_start_pts )
5534             {
5535                 cluster = static_cast<KaxCluster*>(ep->UnGet( i_block_pos, i_cluster_pos ));
5536                 i_track_skipping = 0;
5537             }
5538             else if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5539             {
5540                 if( i_block_ref1 == 0 && tracks[i_track]->b_search_keyframe )
5541                 {
5542                     tracks[i_track]->b_search_keyframe = VLC_FALSE;
5543                     i_track_skipping--;
5544                 }
5545                 if( !tracks[i_track]->b_search_keyframe )
5546                 {
5547 #if LIBMATROSKA_VERSION >= 0x000800
5548                     BlockDecode( &sys.demuxer, block, simpleblock, sys.i_pts, 0, i_block_ref1 >= 0 || i_block_ref2 > 0 );
5549 #else
5550                     BlockDecode( &sys.demuxer, block, sys.i_pts, 0, i_block_ref1 >= 0 || i_block_ref2 > 0 );
5551 #endif
5552                 }
5553             }
5554         }
5555
5556         delete block;
5557     }
5558 }
5559
5560 void virtual_segment_c::Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter )
5561 {
5562     demux_sys_t *p_sys = demuxer.p_sys;
5563     size_t i;
5564
5565     // find the actual time for an ordered edition
5566     if ( psz_chapter == NULL )
5567     {
5568         if ( Edition() && Edition()->b_ordered )
5569         {
5570             /* 1st, we need to know in which chapter we are */
5571             psz_chapter = (*p_editions)[i_current_edition]->FindTimecode( i_date, psz_current_chapter );
5572         }
5573     }
5574
5575     if ( psz_chapter != NULL )
5576     {
5577         psz_current_chapter = psz_chapter;
5578         p_sys->i_chapter_time = i_time_offset = psz_chapter->i_user_start_time - psz_chapter->i_start_time;
5579         if ( psz_chapter->i_seekpoint_num > 0 )
5580         {
5581             demuxer.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
5582             demuxer.info.i_title = p_sys->i_current_title = i_sys_title;
5583             demuxer.info.i_seekpoint = psz_chapter->i_seekpoint_num - 1;
5584         }
5585     }
5586
5587     // find the best matching segment
5588     for ( i=0; i<linked_segments.size(); i++ )
5589     {
5590         if ( i_date < linked_segments[i]->i_start_time )
5591             break;
5592     }
5593
5594     if ( i > 0 )
5595         i--;
5596
5597     if ( i_current_segment != i  )
5598     {
5599         linked_segments[i_current_segment]->UnSelect();
5600         linked_segments[i]->Select( i_date );
5601         i_current_segment = i;
5602     }
5603
5604     linked_segments[i]->Seek( i_date, i_time_offset );
5605 }
5606
5607 void chapter_codec_cmds_c::AddCommand( const KaxChapterProcessCommand & command )
5608 {
5609     size_t i;
5610
5611     uint32 codec_time = uint32(-1);
5612     for( i = 0; i < command.ListSize(); i++ )
5613     {
5614         const EbmlElement *k = command[i];
5615
5616         if( MKV_IS_ID( k, KaxChapterProcessTime ) )
5617         {
5618             codec_time = uint32( *static_cast<const KaxChapterProcessTime*>( k ) );
5619             break;
5620         }
5621     }
5622
5623     for( i = 0; i < command.ListSize(); i++ )
5624     {
5625         const EbmlElement *k = command[i];
5626
5627         if( MKV_IS_ID( k, KaxChapterProcessData ) )
5628         {
5629             KaxChapterProcessData *p_data =  new KaxChapterProcessData( *static_cast<const KaxChapterProcessData*>( k ) );
5630             switch ( codec_time )
5631             {
5632             case 0:
5633                 during_cmds.push_back( p_data );
5634                 break;
5635             case 1:
5636                 enter_cmds.push_back( p_data );
5637                 break;
5638             case 2:
5639                 leave_cmds.push_back( p_data );
5640                 break;
5641             default:
5642                 delete p_data;
5643             }
5644         }
5645     }
5646 }
5647
5648 bool chapter_item_c::Enter( bool b_do_subs )
5649 {
5650     bool f_result = false;
5651     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5652     while ( index != codecs.end() )
5653     {
5654         f_result |= (*index)->Enter();
5655         index++;
5656     }
5657
5658     if ( b_do_subs )
5659     {
5660         // sub chapters
5661         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5662         while ( index_ != sub_chapters.end() )
5663         {
5664             f_result |= (*index_)->Enter( true );
5665             index_++;
5666         }
5667     }
5668     return f_result;
5669 }
5670
5671 bool chapter_item_c::Leave( bool b_do_subs )
5672 {
5673     bool f_result = false;
5674     b_is_leaving = true;
5675     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5676     while ( index != codecs.end() )
5677     {
5678         f_result |= (*index)->Leave();
5679         index++;
5680     }
5681
5682     if ( b_do_subs )
5683     {
5684         // sub chapters
5685         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5686         while ( index_ != sub_chapters.end() )
5687         {
5688             f_result |= (*index_)->Leave( true );
5689             index_++;
5690         }
5691     }
5692     b_is_leaving = false;
5693     return f_result;
5694 }
5695
5696 bool chapter_item_c::EnterAndLeave( chapter_item_c *p_item, bool b_final_enter )
5697 {
5698     chapter_item_c *p_common_parent = p_item;
5699
5700     // leave, up to a common parent
5701     while ( p_common_parent != NULL && !p_common_parent->ParentOf( *this ) )
5702     {
5703         if ( !p_common_parent->b_is_leaving && p_common_parent->Leave( false ) )
5704             return true;
5705         p_common_parent = p_common_parent->psz_parent;
5706     }
5707
5708     // enter from the parent to <this>
5709     if ( p_common_parent != NULL )
5710     {
5711         do
5712         {
5713             if ( p_common_parent == this )
5714                 return Enter( true );
5715
5716             for ( size_t i = 0; i<p_common_parent->sub_chapters.size(); i++ )
5717             {
5718                 if ( p_common_parent->sub_chapters[i]->ParentOf( *this ) )
5719                 {
5720                     p_common_parent = p_common_parent->sub_chapters[i];
5721                     if ( p_common_parent != this )
5722                         if ( p_common_parent->Enter( false ) )
5723                             return true;
5724
5725                     break;
5726                 }
5727             }
5728         } while ( 1 );
5729     }
5730
5731     if ( b_final_enter )
5732         return Enter( true );
5733     else
5734         return false;
5735 }
5736
5737 bool dvd_chapter_codec_c::Enter()
5738 {
5739     bool f_result = false;
5740     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
5741     while ( index != enter_cmds.end() )
5742     {
5743         if ( (*index)->GetSize() )
5744         {
5745             binary *p_data = (*index)->GetBuffer();
5746             size_t i_size = *p_data++;
5747             // avoid reading too much from the buffer
5748             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
5749             for ( ; i_size > 0; i_size--, p_data += 8 )
5750             {
5751                 msg_Dbg( &sys.demuxer, "Matroska DVD enter command" );
5752                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5753             }
5754         }
5755         index++;
5756     }
5757     return f_result;
5758 }
5759
5760 bool dvd_chapter_codec_c::Leave()
5761 {
5762     bool f_result = false;
5763     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
5764     while ( index != leave_cmds.end() )
5765     {
5766         if ( (*index)->GetSize() )
5767         {
5768             binary *p_data = (*index)->GetBuffer();
5769             size_t i_size = *p_data++;
5770             // avoid reading too much from the buffer
5771             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
5772             for ( ; i_size > 0; i_size--, p_data += 8 )
5773             {
5774                 msg_Dbg( &sys.demuxer, "Matroska DVD leave command" );
5775                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5776             }
5777         }
5778         index++;
5779     }
5780     return f_result;
5781 }
5782
5783 // see http://www.dvd-replica.com/DVD/vmcmdset.php for a description of DVD commands
5784 bool dvd_command_interpretor_c::Interpret( const binary * p_command, size_t i_size )
5785 {
5786     if ( i_size != 8 )
5787         return false;
5788
5789     virtual_segment_c *p_segment = NULL;
5790     chapter_item_c *p_chapter = NULL;
5791     bool f_result = false;
5792     uint16 i_command = ( p_command[0] << 8 ) + p_command[1];
5793
5794     // handle register tests if there are some
5795     if ( (i_command & 0xF0) != 0 )
5796     {
5797         bool b_test_positive = true;//(i_command & CMD_DVD_IF_NOT) == 0;
5798         bool b_test_value    = (i_command & CMD_DVD_TEST_VALUE) != 0;
5799         uint8 i_test = i_command & 0x70;
5800         uint16 i_value;
5801
5802         // see http://dvd.sourceforge.net/dvdinfo/vmi.html
5803         uint8  i_cr1;
5804         uint16 i_cr2;
5805         switch ( i_command >> 12 )
5806         {
5807         default:
5808             i_cr1 = p_command[3];
5809             i_cr2 = (p_command[4] << 8) + p_command[5];
5810             break;
5811         case 3:
5812         case 4:
5813         case 5:
5814             i_cr1 = p_command[6];
5815             i_cr2 = p_command[7];
5816             b_test_value = false;
5817             break;
5818         case 6:
5819         case 7:
5820             if ( ((p_command[1] >> 4) & 0x7) == 0)
5821             {
5822                 i_cr1 = p_command[2];
5823                 i_cr2 = (p_command[6] << 8) + p_command[7];
5824             }
5825             else
5826             {
5827                 i_cr1 = p_command[2];
5828                 i_cr2 = (p_command[6] << 8) + p_command[7];
5829             }
5830             break;
5831         }
5832
5833         if ( b_test_value )
5834             i_value = i_cr2;
5835         else
5836             i_value = GetPRM( i_cr2 );
5837
5838         switch ( i_test )
5839         {
5840         case CMD_DVD_IF_GPREG_EQUAL:
5841             // if equals
5842             msg_Dbg( &sys.demuxer, "IF %s EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5843             if (!( GetPRM( i_cr1 ) == i_value ))
5844             {
5845                 b_test_positive = false;
5846             }
5847             break;
5848         case CMD_DVD_IF_GPREG_NOT_EQUAL:
5849             // if not equals
5850             msg_Dbg( &sys.demuxer, "IF %s NOT EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5851             if (!( GetPRM( i_cr1 ) != i_value ))
5852             {
5853                 b_test_positive = false;
5854             }
5855             break;
5856         case CMD_DVD_IF_GPREG_INF:
5857             // if inferior
5858             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5859             if (!( GetPRM( i_cr1 ) < i_value ))
5860             {
5861                 b_test_positive = false;
5862             }
5863             break;
5864         case CMD_DVD_IF_GPREG_INF_EQUAL:
5865             // if inferior or equal
5866             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5867             if (!( GetPRM( i_cr1 ) <= i_value ))
5868             {
5869                 b_test_positive = false;
5870             }
5871             break;
5872         case CMD_DVD_IF_GPREG_AND:
5873             // if logical and
5874             msg_Dbg( &sys.demuxer, "IF %s & %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5875             if (!( GetPRM( i_cr1 ) & i_value ))
5876             {
5877                 b_test_positive = false;
5878             }
5879             break;
5880         case CMD_DVD_IF_GPREG_SUP:
5881             // if superior
5882             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5883             if (!( GetPRM( i_cr1 ) > i_value ))
5884             {
5885                 b_test_positive = false;
5886             }
5887             break;
5888         case CMD_DVD_IF_GPREG_SUP_EQUAL:
5889             // if superior or equal
5890             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5891             if (!( GetPRM( i_cr1 ) >= i_value ))
5892             {
5893                 b_test_positive = false;
5894             }
5895             break;
5896         }
5897
5898         if ( !b_test_positive )
5899             return false;
5900     }
5901
5902     // strip the test command
5903     i_command &= 0xFF0F;
5904
5905     switch ( i_command )
5906     {
5907     case CMD_DVD_NOP:
5908     case CMD_DVD_NOP2:
5909         {
5910             msg_Dbg( &sys.demuxer, "NOP" );
5911             break;
5912         }
5913     case CMD_DVD_BREAK:
5914         {
5915             msg_Dbg( &sys.demuxer, "Break" );
5916             // TODO
5917             break;
5918         }
5919     case CMD_DVD_JUMP_TT:
5920         {
5921             uint8 i_title = p_command[5];
5922             msg_Dbg( &sys.demuxer, "JumpTT %d", i_title );
5923
5924             // find in the ChapProcessPrivate matching this Title level
5925             p_chapter = sys.BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title), p_segment );
5926             if ( p_segment != NULL )
5927             {
5928                 sys.JumpTo( *p_segment, p_chapter );
5929                 f_result = true;
5930             }
5931
5932             break;
5933         }
5934     case CMD_DVD_CALLSS_VTSM1:
5935         {
5936             msg_Dbg( &sys.demuxer, "CallSS" );
5937             binary p_type;
5938             switch( (p_command[6] & 0xC0) >> 6 ) {
5939                 case 0:
5940                     p_type = p_command[5] & 0x0F;
5941                     switch ( p_type )
5942                     {
5943                     case 0x00:
5944                         msg_Dbg( &sys.demuxer, "CallSS PGC (rsm_cell %x)", p_command[4]);
5945                         break;
5946                     case 0x02:
5947                         msg_Dbg( &sys.demuxer, "CallSS Title Entry (rsm_cell %x)", p_command[4]);
5948                         break;
5949                     case 0x03:
5950                         msg_Dbg( &sys.demuxer, "CallSS Root Menu (rsm_cell %x)", p_command[4]);
5951                         break;
5952                     case 0x04:
5953                         msg_Dbg( &sys.demuxer, "CallSS Subpicture Menu (rsm_cell %x)", p_command[4]);
5954                         break;
5955                     case 0x05:
5956                         msg_Dbg( &sys.demuxer, "CallSS Audio Menu (rsm_cell %x)", p_command[4]);
5957                         break;
5958                     case 0x06:
5959                         msg_Dbg( &sys.demuxer, "CallSS Angle Menu (rsm_cell %x)", p_command[4]);
5960                         break;
5961                     case 0x07:
5962                         msg_Dbg( &sys.demuxer, "CallSS Chapter Menu (rsm_cell %x)", p_command[4]);
5963                         break;
5964                     default:
5965                         msg_Dbg( &sys.demuxer, "CallSS <unknown> (rsm_cell %x)", p_command[4]);
5966                         break;
5967                     }
5968                     p_chapter = sys.BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1, p_segment );
5969                     if ( p_segment != NULL )
5970                     {
5971                         sys.JumpTo( *p_segment, p_chapter );
5972                         f_result = true;
5973                     }
5974                 break;
5975                 case 1:
5976                     msg_Dbg( &sys.demuxer, "CallSS VMGM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
5977                 break;
5978                 case 2:
5979                     msg_Dbg( &sys.demuxer, "CallSS VTSM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
5980                 break;
5981                 case 3:
5982                     msg_Dbg( &sys.demuxer, "CallSS VMGM (pgc %d, rsm_cell %x)", (p_command[2] << 8) + p_command[3], p_command[4]);
5983                 break;
5984             }
5985             break;
5986         }
5987     case CMD_DVD_JUMP_SS:
5988         {
5989             msg_Dbg( &sys.demuxer, "JumpSS");
5990             binary p_type;
5991             switch( (p_command[5] & 0xC0) >> 6 ) {
5992                 case 0:
5993                     msg_Dbg( &sys.demuxer, "JumpSS FP");
5994                 break;
5995                 case 1:
5996                     p_type = p_command[5] & 0x0F;
5997                     switch ( p_type )
5998                     {
5999                     case 0x02:
6000                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Title Entry");
6001                         break;
6002                     case 0x03:
6003                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Root Menu");
6004                         break;
6005                     case 0x04:
6006                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Subpicture Menu");
6007                         break;
6008                     case 0x05:
6009                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Audio Menu");
6010                         break;
6011                     case 0x06:
6012                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Angle Menu");
6013                         break;
6014                     case 0x07:
6015                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Chapter Menu");
6016                         break;
6017                     default:
6018                         msg_Dbg( &sys.demuxer, "JumpSS <unknown>");
6019                         break;
6020                     }
6021                     // find the VMG
6022                     p_chapter = sys.BrowseCodecPrivate( 1, MatchIsVMG, NULL, 0, p_segment );
6023                     if ( p_segment != NULL )
6024                     {
6025                         p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
6026                         if ( p_chapter != NULL )
6027                         {
6028                             sys.JumpTo( *p_segment, p_chapter );
6029                             f_result = true;
6030                         }
6031                     }
6032                 break;
6033                 case 2:
6034                     p_type = p_command[5] & 0x0F;
6035                     switch ( p_type )
6036                     {
6037                     case 0x02:
6038                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Title Entry", p_command[4], p_command[3]);
6039                         break;
6040                     case 0x03:
6041                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Root Menu", p_command[4], p_command[3]);
6042                         break;
6043                     case 0x04:
6044                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Subpicture Menu", p_command[4], p_command[3]);
6045                         break;
6046                     case 0x05:
6047                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Audio Menu", p_command[4], p_command[3]);
6048                         break;
6049                     case 0x06:
6050                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Angle Menu", p_command[4], p_command[3]);
6051                         break;
6052                     case 0x07:
6053                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Chapter Menu", p_command[4], p_command[3]);
6054                         break;
6055                     default:
6056                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) <unknown>", p_command[4], p_command[3]);
6057                         break;
6058                     }
6059
6060                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSMNumber, &p_command[4], 1, p_segment );
6061
6062                     if ( p_segment != NULL && p_chapter != NULL )
6063                     {
6064                         // find the title in the VTS
6065                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &p_command[3], 1 );
6066                         if ( p_chapter != NULL )
6067                         {
6068                             // find the specified menu in the VTSM
6069                             p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
6070                             if ( p_chapter != NULL )
6071                             {
6072                                 sys.JumpTo( *p_segment, p_chapter );
6073                                 f_result = true;
6074                             }
6075                         }
6076                         else
6077                             msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", p_command[3] );
6078                     }
6079                     else
6080                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", p_command[4] );
6081                 break;
6082                 case 3:
6083                     msg_Dbg( &sys.demuxer, "JumpSS VMGM (pgc %d)", (p_command[2] << 8) + p_command[3]);
6084                 break;
6085             }
6086             break;
6087         }
6088     case CMD_DVD_JUMPVTS_PTT:
6089         {
6090             uint8 i_title = p_command[5];
6091             uint8 i_ptt = p_command[3];
6092
6093             msg_Dbg( &sys.demuxer, "JumpVTS Title (%d) PTT (%d)", i_title, i_ptt);
6094
6095             // find the current VTS content segment
6096             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchIsDomain, NULL, 0 );
6097             if ( p_chapter != NULL )
6098             {
6099                 int16 i_curr_title = p_chapter->GetTitleNumber( );
6100                 if ( i_curr_title > 0 )
6101                 {
6102                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSNumber, &i_curr_title, sizeof(i_curr_title), p_segment );
6103
6104                     if ( p_segment != NULL && p_chapter != NULL )
6105                     {
6106                         // find the title in the VTS
6107                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title) );
6108                         if ( p_chapter != NULL )
6109                         {
6110                             // find the chapter in the title
6111                             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchChapterNumber, &i_ptt, sizeof(i_ptt) );
6112                             if ( p_chapter != NULL )
6113                             {
6114                                 sys.JumpTo( *p_segment, p_chapter );
6115                                 f_result = true;
6116                             }
6117                         }
6118                     else
6119                         msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", i_title );
6120                     }
6121                     else
6122                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", i_curr_title );
6123                 }
6124                 else
6125                     msg_Dbg( &sys.demuxer, "JumpVTS_PTT command found but not in a VTS(M)");
6126             }
6127             else
6128                 msg_Dbg( &sys.demuxer, "JumpVTS_PTT command but the DVD domain wasn't found");
6129             break;
6130         }
6131     case CMD_DVD_SET_GPRMMD:
6132         {
6133             msg_Dbg( &sys.demuxer, "Set GPRMMD [%d]=%d", (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3]);
6134
6135             if ( !SetGPRM( (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3] ) )
6136                 msg_Dbg( &sys.demuxer, "Set GPRMMD failed" );
6137             break;
6138         }
6139     case CMD_DVD_LINKPGCN:
6140         {
6141             uint16 i_pgcn = (p_command[6] << 8) + p_command[7];
6142
6143             msg_Dbg( &sys.demuxer, "Link PGCN(%d)", i_pgcn );
6144             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchPgcNumber, &i_pgcn, 2 );
6145             if ( p_chapter != NULL )
6146             {
6147                 if ( !p_chapter->Enter( true ) )
6148                     // jump to the location in the found segment
6149                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6150
6151                 f_result = true;
6152             }
6153             break;
6154         }
6155     case CMD_DVD_LINKCN:
6156         {
6157             uint8 i_cn = p_command[7];
6158
6159             p_chapter = sys.p_current_segment->CurrentChapter();
6160
6161             msg_Dbg( &sys.demuxer, "LinkCN (cell %d)", i_cn );
6162             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchCellNumber, &i_cn, 1 );
6163             if ( p_chapter != NULL )
6164             {
6165                 if ( !p_chapter->Enter( true ) )
6166                     // jump to the location in the found segment
6167                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6168
6169                 f_result = true;
6170             }
6171             break;
6172         }
6173     case CMD_DVD_GOTO_LINE:
6174         {
6175             msg_Dbg( &sys.demuxer, "GotoLine (%d)", (p_command[6] << 8) + p_command[7] );
6176             // TODO
6177             break;
6178         }
6179     case CMD_DVD_SET_HL_BTNN1:
6180         {
6181             msg_Dbg( &sys.demuxer, "SetHL_BTN (%d)", p_command[4] );
6182             SetSPRM( 0x88, p_command[4] );
6183             break;
6184         }
6185     default:
6186         {
6187             msg_Dbg( &sys.demuxer, "unsupported command : %02X %02X %02X %02X %02X %02X %02X %02X"
6188                      ,p_command[0]
6189                      ,p_command[1]
6190                      ,p_command[2]
6191                      ,p_command[3]
6192                      ,p_command[4]
6193                      ,p_command[5]
6194                      ,p_command[6]
6195                      ,p_command[7]);
6196             break;
6197         }
6198     }
6199
6200     return f_result;
6201 }
6202
6203 bool dvd_command_interpretor_c::MatchIsDomain( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6204 {
6205     return ( data.p_private_data != NULL && data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS );
6206 }
6207
6208 bool dvd_command_interpretor_c::MatchIsVMG( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6209 {
6210     if ( data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
6211         return false;
6212
6213     return ( data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS && data.p_private_data->GetBuffer()[1] == 0xC0);
6214 }
6215
6216 bool dvd_command_interpretor_c::MatchVTSNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6217 {
6218     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6219         return false;
6220
6221     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x80 )
6222         return false;
6223
6224     uint16 i_gtitle = (data.p_private_data->GetBuffer()[2] << 8 ) + data.p_private_data->GetBuffer()[3];
6225     uint16 i_title = *(uint16*)p_cookie;
6226
6227     return (i_gtitle == i_title);
6228 }
6229
6230 bool dvd_command_interpretor_c::MatchVTSMNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6231 {
6232     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6233         return false;
6234
6235     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x40 )
6236         return false;
6237
6238     uint8 i_gtitle = data.p_private_data->GetBuffer()[3];
6239     uint8 i_title = *(uint8*)p_cookie;
6240
6241     return (i_gtitle == i_title);
6242 }
6243
6244 bool dvd_command_interpretor_c::MatchTitleNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6245 {
6246     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6247         return false;
6248
6249     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_TT )
6250         return false;
6251
6252     uint16 i_gtitle = (data.p_private_data->GetBuffer()[1] << 8 ) + data.p_private_data->GetBuffer()[2];
6253     uint8 i_title = *(uint8*)p_cookie;
6254
6255     return (i_gtitle == i_title);
6256 }
6257
6258 bool dvd_command_interpretor_c::MatchPgcType( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6259 {
6260     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6261         return false;
6262
6263     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6264         return false;
6265
6266     uint8 i_pgc_type = data.p_private_data->GetBuffer()[3] & 0x0F;
6267     uint8 i_pgc = *(uint8*)p_cookie;
6268
6269     return (i_pgc_type == i_pgc);
6270 }
6271
6272 bool dvd_command_interpretor_c::MatchPgcNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6273 {
6274     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6275         return false;
6276
6277     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6278         return false;
6279
6280     uint16 *i_pgc_n = (uint16 *)p_cookie;
6281     uint16 i_pgc_num = (data.p_private_data->GetBuffer()[1] << 8) + data.p_private_data->GetBuffer()[2];
6282
6283     return (i_pgc_num == *i_pgc_n);
6284 }
6285
6286 bool dvd_command_interpretor_c::MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6287 {
6288     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
6289         return false;
6290
6291     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PTT )
6292         return false;
6293
6294     uint8 i_chapter = data.p_private_data->GetBuffer()[1];
6295     uint8 i_ptt = *(uint8*)p_cookie;
6296
6297     return (i_chapter == i_ptt);
6298 }
6299
6300 bool dvd_command_interpretor_c::MatchCellNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6301 {
6302     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 5 )
6303         return false;
6304
6305     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_CN )
6306         return false;
6307
6308     uint8 *i_cell_n = (uint8 *)p_cookie;
6309     uint8 i_cell_num = data.p_private_data->GetBuffer()[3];
6310
6311     return (i_cell_num == *i_cell_n);
6312 }
6313
6314 bool matroska_script_codec_c::Enter()
6315 {
6316     bool f_result = false;
6317     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
6318     while ( index != enter_cmds.end() )
6319     {
6320         if ( (*index)->GetSize() )
6321         {
6322             msg_Dbg( &sys.demuxer, "Matroska Script enter command" );
6323             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6324         }
6325         index++;
6326     }
6327     return f_result;
6328 }
6329
6330 bool matroska_script_codec_c::Leave()
6331 {
6332     bool f_result = false;
6333     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
6334     while ( index != leave_cmds.end() )
6335     {
6336         if ( (*index)->GetSize() )
6337         {
6338             msg_Dbg( &sys.demuxer, "Matroska Script leave command" );
6339             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6340         }
6341         index++;
6342     }
6343     return f_result;
6344 }
6345
6346 // see http://www.matroska.org/technical/specs/chapters/index.html#mscript
6347 //  for a description of existing commands
6348 bool matroska_script_interpretor_c::Interpret( const binary * p_command, size_t i_size )
6349 {
6350     bool b_result = false;
6351
6352     char *psz_str = (char*) malloc( i_size + 1 );
6353     memcpy( psz_str, p_command, i_size );
6354     psz_str[ i_size ] = '\0';
6355
6356     std::string sz_command = psz_str;
6357     free( psz_str );
6358
6359     msg_Dbg( &sys.demuxer, "command : %s", sz_command.c_str() );
6360
6361 #if defined(__GNUC__) && (__GNUC__ < 3)
6362     if ( sz_command.compare( CMD_MS_GOTO_AND_PLAY, 0, CMD_MS_GOTO_AND_PLAY.size() ) == 0 )
6363 #else
6364     if ( sz_command.compare( 0, CMD_MS_GOTO_AND_PLAY.size(), CMD_MS_GOTO_AND_PLAY ) == 0 )
6365 #endif
6366     {
6367         size_t i,j;
6368
6369         // find the (
6370         for ( i=CMD_MS_GOTO_AND_PLAY.size(); i<sz_command.size(); i++)
6371         {
6372             if ( sz_command[i] == '(' )
6373             {
6374                 i++;
6375                 break;
6376             }
6377         }
6378         // find the )
6379         for ( j=i; j<sz_command.size(); j++)
6380         {
6381             if ( sz_command[j] == ')' )
6382             {
6383                 i--;
6384                 break;
6385             }
6386         }
6387
6388         std::string st = sz_command.substr( i+1, j-i-1 );
6389         int64_t i_chapter_uid = atoi( st.c_str() );
6390
6391         virtual_segment_c *p_segment;
6392         chapter_item_c *p_chapter = sys.FindChapter( i_chapter_uid, p_segment );
6393
6394         if ( p_chapter == NULL )
6395             msg_Dbg( &sys.demuxer, "Chapter "I64Fd" not found", i_chapter_uid);
6396         else
6397         {
6398             if ( !p_chapter->EnterAndLeave( sys.p_current_segment->CurrentChapter() ) )
6399                 p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6400             b_result = true;
6401         }
6402     }
6403
6404     return b_result;
6405 }
6406
6407 void demux_sys_t::SwapButtons()
6408 {
6409 #ifndef WORDS_BIGENDIAN
6410     uint8_t button, i, j;
6411
6412     for( button = 1; button <= pci_packet.hli.hl_gi.btn_ns; button++) {
6413         btni_t *button_ptr = &(pci_packet.hli.btnit[button-1]);
6414         binary *p_data = (binary*) button_ptr;
6415
6416         uint16 i_x_start = ((p_data[0] & 0x3F) << 4 ) + ( p_data[1] >> 4 );
6417         uint16 i_x_end   = ((p_data[1] & 0x03) << 8 ) + p_data[2];
6418         uint16 i_y_start = ((p_data[3] & 0x3F) << 4 ) + ( p_data[4] >> 4 );
6419         uint16 i_y_end   = ((p_data[4] & 0x03) << 8 ) + p_data[5];
6420         button_ptr->x_start = i_x_start;
6421         button_ptr->x_end   = i_x_end;
6422         button_ptr->y_start = i_y_start;
6423         button_ptr->y_end   = i_y_end;
6424
6425     }
6426     for ( i = 0; i<3; i++ )
6427     {
6428         for ( j = 0; j<2; j++ )
6429         {
6430             pci_packet.hli.btn_colit.btn_coli[i][j] = U32_AT( &pci_packet.hli.btn_colit.btn_coli[i][j] );
6431         }
6432     }
6433 #endif
6434 }