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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, 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), MSG_QUEUE_NORMAL, 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 //    ~mkv_track_t();
 573
 574     vlc_bool_t   b_default;
 575     vlc_bool_t   b_enabled;
 576     unsigned int i_number;
 577
 578     int          i_extra_data;
 579     uint8_t      *p_extra_data;
 580
 581     char         *psz_codec;
 582
 583     uint64_t     i_default_duration;
 584     float        f_timecodescale;
 585     mtime_t      i_last_dts;
 586
 587     /* video */
 588     es_format_t fmt;
 589     float       f_fps;
 590     es_out_id_t *p_es;
 591
 592     /* audio */
 593     unsigned int i_original_rate;
 594
 595     vlc_bool_t      b_inited;
 596     /* data to be send first */
 597     int             i_data_init;
 598     uint8_t         *p_data_init;
 599
 600     /* hack : it's for seek */
 601     vlc_bool_t      b_search_keyframe;
 602     vlc_bool_t      b_silent;
 603
 604     /* informative */
 605     char         *psz_codec_name;
 606     char         *psz_codec_settings;
 607     char         *psz_codec_info_url;
 608     char         *psz_codec_download_url;
 609
 610     /* encryption/compression */
 611     int                    i_compression_type;
 612     KaxContentCompSettings *p_compression_data;
 613
 614 } mkv_track_t;
 615
 616 typedef struct
 617 {
 618     int     i_track;
 619     int     i_block_number;
 620
 621     int64_t i_position;
 622     int64_t i_time;
 623
 624     vlc_bool_t b_key;
 625 } mkv_index_t;
 626
 627 class demux_sys_t;
 628
 629 const binary MATROSKA_DVD_LEVEL_SS   = 0x30;
 630 const binary MATROSKA_DVD_LEVEL_LU   = 0x2A;
 631 const binary MATROSKA_DVD_LEVEL_TT   = 0x28;
 632 const binary MATROSKA_DVD_LEVEL_PGC  = 0x20;
 633 const binary MATROSKA_DVD_LEVEL_PG   = 0x18;
 634 const binary MATROSKA_DVD_LEVEL_PTT  = 0x10;
 635 const binary MATROSKA_DVD_LEVEL_CN   = 0x08;
 636
 637 class chapter_codec_cmds_c
 638 {
 639 public:
 640     chapter_codec_cmds_c( demux_sys_t & demuxer, int codec_id = -1)
 641     :p_private_data(NULL)
 642     ,i_codec_id( codec_id )
 643     ,sys( demuxer )
 644     {}
 645
 646     virtual ~chapter_codec_cmds_c()
 647     {
 648         delete p_private_data;
 649         std::vector<KaxChapterProcessData*>::iterator indexe = enter_cmds.begin();
 650         while ( indexe != enter_cmds.end() )
 651         {
 652             delete (*indexe);
 653             indexe++;
 654         }
 655         std::vector<KaxChapterProcessData*>::iterator indexl = leave_cmds.begin();
 656         while ( indexl != leave_cmds.end() )
 657         {
 658             delete (*indexl);
 659             indexl++;
 660         }
 661         std::vector<KaxChapterProcessData*>::iterator indexd = during_cmds.begin();
 662         while ( indexd != during_cmds.end() )
 663         {
 664             delete (*indexd);
 665             indexd++;
 666         }
 667     }
 668
 669     void SetPrivate( const KaxChapterProcessPrivate & private_data )
 670     {
 671         p_private_data = new KaxChapterProcessPrivate( private_data );
 672     }
 673
 674     void AddCommand( const KaxChapterProcessCommand & command );
 675
 676     /// \return wether the codec has seeked in the files or not
 677     virtual bool Enter() { return false; }
 678     virtual bool Leave() { return false; }
 679     virtual std::string GetCodecName( bool f_for_title = false ) const { return ""; }
 680     virtual int16 GetTitleNumber() { return -1; }
 681
 682     KaxChapterProcessPrivate *p_private_data;
 683
 684 protected:
 685     std::vector<KaxChapterProcessData*> enter_cmds;
 686     std::vector<KaxChapterProcessData*> during_cmds;
 687     std::vector<KaxChapterProcessData*> leave_cmds;
 688
 689     int i_codec_id;
 690     demux_sys_t & sys;
 691 };
 692
 693 class dvd_command_interpretor_c
 694 {
 695 public:
 696     dvd_command_interpretor_c( demux_sys_t & demuxer )
 697     :sys( demuxer )
 698     {
 699         memset( p_PRMs, 0, sizeof(p_PRMs) );
 700         p_PRMs[ 0x80 + 1 ] = 15;
 701         p_PRMs[ 0x80 + 2 ] = 62;
 702         p_PRMs[ 0x80 + 3 ] = 1;
 703         p_PRMs[ 0x80 + 4 ] = 1;
 704         p_PRMs[ 0x80 + 7 ] = 1;
 705         p_PRMs[ 0x80 + 8 ] = 1;
 706         p_PRMs[ 0x80 + 16 ] = 0xFFFFu;
 707         p_PRMs[ 0x80 + 18 ] = 0xFFFFu;
 708     }
 709
 710     bool Interpret( const binary * p_command, size_t i_size = 8 );
 711
 712     uint16 GetPRM( size_t index ) const
 713     {
 714         if ( index < 256 )
 715             return p_PRMs[ index ];
 716         else return 0;
 717     }
 718
 719     uint16 GetGPRM( size_t index ) const
 720     {
 721         if ( index >= 0 && index < 16 )
 722             return p_PRMs[ index ];
 723         else return 0;
 724     }
 725
 726     uint16 GetSPRM( size_t index ) const
 727     {
 728         // 21,22,23 reserved for future use
 729         if ( index >= 0x80 && index < 0x95 )
 730             return p_PRMs[ index ];
 731         else return 0;
 732     }
 733
 734     bool SetPRM( size_t index, uint16 value )
 735     {
 736         if ( index >= 0 && index < 16 )
 737         {
 738             p_PRMs[ index ] = value;
 739             return true;
 740         }
 741         return false;
 742     }
 743
 744     bool SetGPRM( size_t index, uint16 value )
 745     {
 746         if ( index >= 0 && index < 16 )
 747         {
 748             p_PRMs[ index ] = value;
 749             return true;
 750         }
 751         return false;
 752     }
 753
 754     bool SetSPRM( size_t index, uint16 value )
 755     {
 756         if ( index > 0x80 && index <= 0x8D && index != 0x8C )
 757         {
 758             p_PRMs[ index ] = value;
 759             return true;
 760         }
 761         return false;
 762     }
 763
 764 protected:
 765     std::string GetRegTypeName( bool b_value, uint16 value ) const
 766     {
 767         std::string result;
 768         char s_value[6], s_reg_value[6];
 769         sprintf( s_value, "%.5d", value );
 770
 771         if ( b_value )
 772         {
 773             result = "value (";
 774             result += s_value;
 775             result += ")";
 776         }
 777         else if ( value < 0x80 )
 778         {
 779             sprintf( s_reg_value, "%.5d", GetPRM( value ) );
 780             result = "GPreg[";
 781             result += s_value;
 782             result += "] (";
 783             result += s_reg_value;
 784             result += ")";
 785         }
 786         else
 787         {
 788             sprintf( s_reg_value, "%.5d", GetPRM( value ) );
 789             result = "SPreg[";
 790             result += s_value;
 791             result += "] (";
 792             result += s_reg_value;
 793             result += ")";
 794         }
 795         return result;
 796     }
 797
 798     uint16       p_PRMs[256];
 799     demux_sys_t  & sys;
 800
 801     // DVD command IDs
 802
 803     // Tests
 804     // wether it's a comparison on the value or register
 805     static const uint16 CMD_DVD_TEST_VALUE          = 0x80;
 806     static const uint16 CMD_DVD_IF_GPREG_AND        = (1 << 4);
 807     static const uint16 CMD_DVD_IF_GPREG_EQUAL      = (2 << 4);
 808     static const uint16 CMD_DVD_IF_GPREG_NOT_EQUAL  = (3 << 4);
 809     static const uint16 CMD_DVD_IF_GPREG_SUP_EQUAL  = (4 << 4);
 810     static const uint16 CMD_DVD_IF_GPREG_SUP        = (5 << 4);
 811     static const uint16 CMD_DVD_IF_GPREG_INF_EQUAL  = (6 << 4);
 812     static const uint16 CMD_DVD_IF_GPREG_INF        = (7 << 4);
 813
 814     static const uint16 CMD_DVD_NOP                    = 0x0000;
 815     static const uint16 CMD_DVD_GOTO_LINE              = 0x0001;
 816     static const uint16 CMD_DVD_BREAK                  = 0x0002;
 817     // Links
 818     static const uint16 CMD_DVD_NOP2                   = 0x2001;
 819     static const uint16 CMD_DVD_LINKPGCN               = 0x2004;
 820     static const uint16 CMD_DVD_LINKPGN                = 0x2006;
 821     static const uint16 CMD_DVD_LINKCN                 = 0x2007;
 822     static const uint16 CMD_DVD_JUMP_TT                = 0x3002;
 823     static const uint16 CMD_DVD_JUMPVTS_TT             = 0x3003;
 824     static const uint16 CMD_DVD_JUMPVTS_PTT            = 0x3005;
 825     static const uint16 CMD_DVD_JUMP_SS                = 0x3006;
 826     static const uint16 CMD_DVD_CALLSS_VTSM1           = 0x3008;
 827     //
 828     static const uint16 CMD_DVD_SET_HL_BTNN2           = 0x4600;
 829     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN1  = 0x4604;
 830     static const uint16 CMD_DVD_SET_STREAM             = 0x5100;
 831     static const uint16 CMD_DVD_SET_GPRMMD             = 0x5300;
 832     static const uint16 CMD_DVD_SET_HL_BTNN1           = 0x5600;
 833     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN2  = 0x5604;
 834     static const uint16 CMD_DVD_SET_HL_BTNN_LINKCN     = 0x5607;
 835     // Operations
 836     static const uint16 CMD_DVD_MOV_SPREG_PREG         = 0x6100;
 837     static const uint16 CMD_DVD_GPREG_MOV_VALUE        = 0x7100;
 838     static const uint16 CMD_DVD_SUB_GPREG              = 0x7400;
 839     static const uint16 CMD_DVD_MULT_GPREG             = 0x7500;
 840     static const uint16 CMD_DVD_GPREG_DIV_VALUE        = 0x7600;
 841     static const uint16 CMD_DVD_GPREG_AND_VALUE        = 0x7900;
 842
 843     // callbacks when browsing inside CodecPrivate
 844     static bool MatchIsDomain     ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 845     static bool MatchIsVMG        ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 846     static bool MatchVTSNumber    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 847     static bool MatchVTSMNumber   ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 848     static bool MatchTitleNumber  ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 849     static bool MatchPgcType      ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 850     static bool MatchPgcNumber    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 851     static bool MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 852     static bool MatchCellNumber   ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 853 };
 854
 855 class dvd_chapter_codec_c : public chapter_codec_cmds_c
 856 {
 857 public:
 858     dvd_chapter_codec_c( demux_sys_t & sys )
 859     :chapter_codec_cmds_c( sys, 1 )
 860     {}
 861
 862     bool Enter();
 863     bool Leave();
 864     std::string GetCodecName( bool f_for_title = false ) const;
 865     int16 GetTitleNumber();
 866 };
 867
 868 class matroska_script_interpretor_c
 869 {
 870 public:
 871     matroska_script_interpretor_c( demux_sys_t & demuxer )
 872     :sys( demuxer )
 873     {}
 874
 875     bool Interpret( const binary * p_command, size_t i_size );
 876
 877     // DVD command IDs
 878     static const std::string CMD_MS_GOTO_AND_PLAY;
 879
 880 protected:
 881     demux_sys_t  & sys;
 882 };
 883
 884 const std::string matroska_script_interpretor_c::CMD_MS_GOTO_AND_PLAY = "GotoAndPlay";
 885
 886
 887 class matroska_script_codec_c : public chapter_codec_cmds_c
 888 {
 889 public:
 890     matroska_script_codec_c( demux_sys_t & sys )
 891     :chapter_codec_cmds_c( sys, 0 )
 892     ,interpretor( sys )
 893     {}
 894
 895     bool Enter();
 896     bool Leave();
 897
 898 protected:
 899     matroska_script_interpretor_c interpretor;
 900 };
 901
 902 class chapter_translation_c
 903 {
 904 public:
 905     chapter_translation_c()
 906         :p_translated(NULL)
 907     {}
 908
 909     ~chapter_translation_c()
 910     {
 911         delete p_translated;
 912     }
 913
 914     KaxChapterTranslateID  *p_translated;
 915     unsigned int           codec_id;
 916     std::vector<uint64_t>  editions;
 917 };
 918
 919 class chapter_item_c
 920 {
 921 public:
 922     chapter_item_c()
 923     :i_start_time(0)
 924     ,i_end_time(-1)
 925     ,i_user_start_time(-1)
 926     ,i_user_end_time(-1)
 927     ,i_seekpoint_num(-1)
 928     ,b_display_seekpoint(true)
 929     ,b_user_display(false)
 930     ,psz_parent(NULL)
 931     ,b_is_leaving(false)
 932     {}
 933
 934     virtual ~chapter_item_c()
 935     {
 936         std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
 937         while ( index != codecs.end() )
 938         {
 939             delete (*index);
 940             index++;
 941         }
 942         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
 943         while ( index_ != sub_chapters.end() )
 944         {
 945             delete (*index_);
 946             index_++;
 947         }
 948     }
 949
 950     int64_t RefreshChapters( bool b_ordered, int64_t i_prev_user_time );
 951     int PublishChapters( input_title_t & title, int & i_user_chapters, int i_level = 0 );
 952     virtual chapter_item_c * FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current, bool & b_found );
 953     void Append( const chapter_item_c & edition );
 954     chapter_item_c * FindChapter( int64_t i_find_uid );
 955     virtual chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
 956                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
 957                                     const void *p_cookie,
 958                                     size_t i_cookie_size );
 959     std::string                 GetCodecName( bool f_for_title = false ) const;
 960     bool                        ParentOf( const chapter_item_c & item ) const;
 961     int16                       GetTitleNumber( ) const;
 962
 963     int64_t                     i_start_time, i_end_time;
 964     int64_t                     i_user_start_time, i_user_end_time; /* the time in the stream when an edition is ordered */
 965     std::vector<chapter_item_c*> sub_chapters;
 966     int                         i_seekpoint_num;
 967     int64_t                     i_uid;
 968     bool                        b_display_seekpoint;
 969     bool                        b_user_display;
 970     std::string                 psz_name;
 971     chapter_item_c              *psz_parent;
 972     bool                        b_is_leaving;
 973
 974     std::vector<chapter_codec_cmds_c*> codecs;
 975
 976     static bool CompareTimecode( const chapter_item_c * itemA, const chapter_item_c * itemB )
 977     {
 978         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) );
 979     }
 980
 981     bool Enter( bool b_do_subchapters );
 982     bool Leave( bool b_do_subchapters );
 983     bool EnterAndLeave( chapter_item_c *p_item, bool b_enter = true );
 984 };
 985
 986 class chapter_edition_c : public chapter_item_c
 987 {
 988 public:
 989     chapter_edition_c()
 990     :b_ordered(false)
 991     {}
 992
 993     void RefreshChapters( );
 994     mtime_t Duration() const;
 995     std::string GetMainName() const;
 996     chapter_item_c * FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current );
 997
 998     bool                        b_ordered;
 999 };
1000
1001 class matroska_segment_c
1002 {
1003 public:
1004     matroska_segment_c( demux_sys_t & demuxer, EbmlStream & estream )
1005         :segment(NULL)
1006         ,es(estream)
1007         ,i_timescale(MKVD_TIMECODESCALE)
1008         ,i_duration(-1)
1009         ,i_start_time(0)
1010         ,i_cues_position(-1)
1011         ,i_chapters_position(-1)
1012         ,i_tags_position(-1)
1013         ,cluster(NULL)
1014         ,i_block_pos(0)
1015         ,i_cluster_pos(0)
1016         ,i_start_pos(0)
1017         ,p_segment_uid(NULL)
1018         ,p_prev_segment_uid(NULL)
1019         ,p_next_segment_uid(NULL)
1020         ,b_cues(VLC_FALSE)
1021         ,i_index(0)
1022         ,i_index_max(1024)
1023         ,psz_muxing_application(NULL)
1024         ,psz_writing_application(NULL)
1025         ,psz_segment_filename(NULL)
1026         ,psz_title(NULL)
1027         ,psz_date_utc(NULL)
1028         ,i_default_edition(0)
1029         ,sys(demuxer)
1030         ,ep(NULL)
1031         ,b_preloaded(false)
1032     {
1033         p_indexes = (mkv_index_t*)malloc( sizeof( mkv_index_t ) * i_index_max );
1034     }
1035
1036     virtual ~matroska_segment_c()
1037     {
1038         for( size_t i_track = 0; i_track < tracks.size(); i_track++ )
1039         {
1040             if ( tracks[i_track]->p_compression_data )
1041             {
1042                 delete tracks[i_track]->p_compression_data;
1043             }
1044             es_format_Clean( &tracks[i_track]->fmt );
1045             if( tracks[i_track]->p_extra_data )
1046                 free( tracks[i_track]->p_extra_data );
1047             if( tracks[i_track]->psz_codec )
1048                 free( tracks[i_track]->psz_codec );
1049             delete tracks[i_track];
1050         }
1051
1052         if( psz_writing_application )
1053         {
1054             free( psz_writing_application );
1055         }
1056         if( psz_muxing_application )
1057         {
1058             free( psz_muxing_application );
1059         }
1060         if( psz_segment_filename )
1061         {
1062             free( psz_segment_filename );
1063         }
1064         if( psz_title )
1065         {
1066             free( psz_title );
1067         }
1068         if( psz_date_utc )
1069         {
1070             free( psz_date_utc );
1071         }
1072         if ( p_indexes )
1073             free( p_indexes );
1074
1075         delete ep;
1076         delete segment;
1077         delete p_segment_uid;
1078         delete p_prev_segment_uid;
1079         delete p_next_segment_uid;
1080
1081         std::vector<chapter_edition_c*>::iterator index = stored_editions.begin();
1082         while ( index != stored_editions.end() )
1083         {
1084             delete (*index);
1085             index++;
1086         }
1087         std::vector<chapter_translation_c*>::iterator indext = translations.begin();
1088         while ( indext != translations.end() )
1089         {
1090             delete (*indext);
1091             indext++;
1092         }
1093         std::vector<KaxSegmentFamily*>::iterator indexf = families.begin();
1094         while ( indexf != families.end() )
1095         {
1096             delete (*indexf);
1097             indexf++;
1098         }
1099     }
1100
1101     KaxSegment              *segment;
1102     EbmlStream              & es;
1103
1104     /* time scale */
1105     uint64_t                i_timescale;
1106
1107     /* duration of the segment */
1108     mtime_t                 i_duration;
1109     mtime_t                 i_start_time;
1110
1111     /* all tracks */
1112     std::vector<mkv_track_t*> tracks;
1113
1114     /* from seekhead */
1115     int64_t                 i_cues_position;
1116     int64_t                 i_chapters_position;
1117     int64_t                 i_tags_position;
1118
1119     KaxCluster              *cluster;
1120     uint64                  i_block_pos;
1121     uint64                  i_cluster_pos;
1122     int64_t                 i_start_pos;
1123     KaxSegmentUID           *p_segment_uid;
1124     KaxPrevUID              *p_prev_segment_uid;
1125     KaxNextUID              *p_next_segment_uid;
1126
1127     vlc_bool_t              b_cues;
1128     int                     i_index;
1129     int                     i_index_max;
1130     mkv_index_t             *p_indexes;
1131
1132     /* info */
1133     char                    *psz_muxing_application;
1134     char                    *psz_writing_application;
1135     char                    *psz_segment_filename;
1136     char                    *psz_title;
1137     char                    *psz_date_utc;
1138
1139     /* !!!!! GCC 3.3 bug on Darwin !!!!! */
1140     /* when you remove this variable the compiler issues an atomicity error */
1141     /* this variable only works when using std::vector<chapter_edition_c> */
1142     std::vector<chapter_edition_c*> stored_editions;
1143     int                             i_default_edition;
1144
1145     std::vector<chapter_translation_c*> translations;
1146     std::vector<KaxSegmentFamily*>  families;
1147
1148     demux_sys_t                    & sys;
1149     EbmlParser                     *ep;
1150     bool                           b_preloaded;
1151
1152     bool Preload( );
1153     bool PreloadFamily( const matroska_segment_c & segment );
1154     void ParseInfo( KaxInfo *info );
1155     void ParseChapters( KaxChapters *chapters );
1156     void ParseSeekHead( KaxSeekHead *seekhead );
1157     void ParseTracks( KaxTracks *tracks );
1158     void ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters );
1159     void ParseTrackEntry( KaxTrackEntry *m );
1160     void ParseCluster( );
1161     void IndexAppendCluster( KaxCluster *cluster );
1162     void LoadCues( );
1163     void LoadTags( );
1164     void InformationCreate( );
1165     void Seek( mtime_t i_date, mtime_t i_time_offset );
1166 #if LIBMATROSKA_VERSION >= 0x000800
1167     int BlockGet( KaxBlock * &, KaxSimpleBlock * &, int64_t *, int64_t *, int64_t *);
1168 #else
1169     int BlockGet( KaxBlock * &, int64_t *, int64_t *, int64_t *);
1170 #endif
1171     bool Select( mtime_t i_start_time );
1172     void UnSelect( );
1173
1174     static bool CompareSegmentUIDs( const matroska_segment_c * item_a, const matroska_segment_c * item_b );
1175 };
1176
1177 // class holding hard-linked segment together in the playback order
1178 class virtual_segment_c
1179 {
1180 public:
1181     virtual_segment_c( matroska_segment_c *p_segment )
1182         :p_editions(NULL)
1183         ,i_sys_title(0)
1184         ,i_current_segment(0)
1185         ,i_current_edition(-1)
1186         ,psz_current_chapter(NULL)
1187     {
1188         linked_segments.push_back( p_segment );
1189
1190         AppendUID( p_segment->p_segment_uid );
1191         AppendUID( p_segment->p_prev_segment_uid );
1192         AppendUID( p_segment->p_next_segment_uid );
1193     }
1194
1195     void Sort();
1196     size_t AddSegment( matroska_segment_c *p_segment );
1197     void PreloadLinked( );
1198     mtime_t Duration( ) const;
1199     void LoadCues( );
1200     void Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter );
1201
1202     inline chapter_edition_c *Edition()
1203     {
1204         if ( i_current_edition >= 0 && size_t(i_current_edition) < p_editions->size() )
1205             return (*p_editions)[i_current_edition];
1206         return NULL;
1207     }
1208
1209     matroska_segment_c * Segment() const
1210     {
1211         if ( linked_segments.size() == 0 || i_current_segment >= linked_segments.size() )
1212             return NULL;
1213         return linked_segments[i_current_segment];
1214     }
1215
1216     inline chapter_item_c *CurrentChapter() {
1217         return psz_current_chapter;
1218     }
1219
1220     bool SelectNext()
1221     {
1222         if ( i_current_segment < linked_segments.size()-1 )
1223         {
1224             i_current_segment++;
1225             return true;
1226         }
1227         return false;
1228     }
1229
1230     bool FindUID( KaxSegmentUID & uid ) const
1231     {
1232         for ( size_t i=0; i<linked_uids.size(); i++ )
1233         {
1234             if ( linked_uids[i] == uid )
1235                 return true;
1236         }
1237         return false;
1238     }
1239
1240     bool UpdateCurrentToChapter( demux_t & demux );
1241     void PrepareChapters( );
1242
1243     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
1244                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
1245                                         const void *p_cookie,
1246                                         size_t i_cookie_size );
1247     chapter_item_c *FindChapter( int64_t i_find_uid );
1248
1249     std::vector<chapter_edition_c*>  *p_editions;
1250     int                              i_sys_title;
1251
1252 protected:
1253     std::vector<matroska_segment_c*> linked_segments;
1254     std::vector<KaxSegmentUID>       linked_uids;
1255     size_t                           i_current_segment;
1256
1257     int                              i_current_edition;
1258     chapter_item_c                   *psz_current_chapter;
1259
1260     void                             AppendUID( const EbmlBinary * UID );
1261 };
1262
1263 class matroska_stream_c
1264 {
1265 public:
1266     matroska_stream_c( demux_sys_t & demuxer )
1267         :p_in(NULL)
1268         ,p_es(NULL)
1269         ,sys(demuxer)
1270     {}
1271
1272     virtual ~matroska_stream_c()
1273     {
1274         delete p_in;
1275         delete p_es;
1276     }
1277
1278     IOCallback         *p_in;
1279     EbmlStream         *p_es;
1280
1281     std::vector<matroska_segment_c*> segments;
1282
1283     demux_sys_t                      & sys;
1284 };
1285
1286 typedef struct
1287 {
1288     VLC_COMMON_MEMBERS
1289
1290     demux_t        *p_demux;
1291     vlc_mutex_t     lock;
1292
1293     vlc_bool_t      b_moved;
1294     vlc_bool_t      b_clicked;
1295     vlc_bool_t      b_key;
1296
1297 } event_thread_t;
1298
1299 class demux_sys_t
1300 {
1301 public:
1302     demux_sys_t( demux_t & demux )
1303         :demuxer(demux)
1304         ,i_pts(0)
1305         ,i_start_pts(0)
1306         ,i_chapter_time(0)
1307         ,meta(NULL)
1308         ,i_current_title(0)
1309         ,p_current_segment(NULL)
1310         ,dvd_interpretor( *this )
1311         ,f_duration(-1.0)
1312         ,b_ui_hooked(false)
1313         ,p_input(NULL)
1314         ,b_pci_packet_set(false)
1315         ,p_ev(NULL)
1316     {
1317         vlc_mutex_init( &demuxer, &lock_demuxer );
1318     }
1319
1320     virtual ~demux_sys_t()
1321     {
1322         StopUiThread();
1323         size_t i;
1324         for ( i=0; i<streams.size(); i++ )
1325             delete streams[i];
1326         for ( i=0; i<opened_segments.size(); i++ )
1327             delete opened_segments[i];
1328         for ( i=0; i<used_segments.size(); i++ )
1329             delete used_segments[i];
1330         if( meta ) vlc_meta_Delete( meta );
1331
1332         while( titles.size() )
1333         { vlc_input_title_Delete( titles.back() ); titles.pop_back();}
1334
1335         vlc_mutex_destroy( &lock_demuxer );
1336     }
1337
1338     /* current data */
1339     demux_t                 & demuxer;
1340
1341     mtime_t                 i_pts;
1342     mtime_t                 i_start_pts;
1343     mtime_t                 i_chapter_time;
1344
1345     vlc_meta_t              *meta;
1346
1347     std::vector<input_title_t*>      titles; // matroska editions
1348     size_t                           i_current_title;
1349
1350     std::vector<matroska_stream_c*>  streams;
1351     std::vector<matroska_segment_c*> opened_segments;
1352     std::vector<virtual_segment_c*>  used_segments;
1353     virtual_segment_c                *p_current_segment;
1354
1355     dvd_command_interpretor_c        dvd_interpretor;
1356
1357     /* duration of the stream */
1358     float                   f_duration;
1359
1360     matroska_segment_c *FindSegment( const EbmlBinary & uid ) const;
1361     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
1362                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
1363                                         const void *p_cookie,
1364                                         size_t i_cookie_size,
1365                                         virtual_segment_c * & p_segment_found );
1366     chapter_item_c *FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found );
1367
1368     void PreloadFamily( const matroska_segment_c & of_segment );
1369     void PreloadLinked( matroska_segment_c *p_segment );
1370     bool PreparePlayback( virtual_segment_c *p_new_segment );
1371     matroska_stream_c *AnalyseAllSegmentsFound( demux_t *p_demux, EbmlStream *p_estream, bool b_initial = false );
1372     void JumpTo( virtual_segment_c & p_segment, chapter_item_c * p_chapter );
1373
1374     void StartUiThread();
1375     void StopUiThread();
1376     bool b_ui_hooked;
1377     inline void SwapButtons();
1378
1379     /* for spu variables */
1380     input_thread_t *p_input;
1381     pci_t          pci_packet;
1382     bool           b_pci_packet_set;
1383     uint8_t        palette[4][4];
1384     vlc_mutex_t    lock_demuxer;
1385
1386     /* event */
1387     event_thread_t *p_ev;
1388     static int EventThread( vlc_object_t *p_this );
1389     static int EventMouse( vlc_object_t *p_this, char const *psz_var,
1390                        vlc_value_t oldval, vlc_value_t newval, void *p_data );
1391     static int EventKey( vlc_object_t *p_this, char const *psz_var,
1392                      vlc_value_t oldval, vlc_value_t newval, void *p_data );
1393
1394
1395
1396 protected:
1397     virtual_segment_c *VirtualFromSegments( matroska_segment_c *p_segment ) const;
1398     bool IsUsedSegment( matroska_segment_c &p_segment ) const;
1399 };
1400
1401 static int  Demux  ( demux_t * );
1402 static int  Control( demux_t *, int, va_list );
1403 static void Seek   ( demux_t *, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter );
1404
1405 #define MKV_IS_ID( el, C ) ( EbmlId( (*el) ) == C::ClassInfos.GlobalId )
1406
1407 static inline char * ToUTF8( const UTFstring &u )
1408 {
1409     return strdup( u.GetUTF8().c_str() );
1410 }
1411
1412 /*****************************************************************************
1413  * Open: initializes matroska demux structures
1414  *****************************************************************************/
1415 static int Open( vlc_object_t * p_this )
1416 {
1417     demux_t            *p_demux = (demux_t*)p_this;
1418     demux_sys_t        *p_sys;
1419     matroska_stream_c  *p_stream;
1420     matroska_segment_c *p_segment;
1421     uint8_t            *p_peek;
1422     std::string        s_path, s_filename;
1423     vlc_stream_io_callback *p_io_callback;
1424     EbmlStream         *p_io_stream;
1425
1426     /* peek the begining */
1427     if( stream_Peek( p_demux->s, &p_peek, 4 ) < 4 ) return VLC_EGENERIC;
1428
1429     /* is a valid file */
1430     if( p_peek[0] != 0x1a || p_peek[1] != 0x45 ||
1431         p_peek[2] != 0xdf || p_peek[3] != 0xa3 ) return VLC_EGENERIC;
1432
1433     /* Set the demux function */
1434     p_demux->pf_demux   = Demux;
1435     p_demux->pf_control = Control;
1436     p_demux->p_sys      = p_sys = new demux_sys_t( *p_demux );
1437
1438     p_io_callback = new vlc_stream_io_callback( p_demux->s, VLC_FALSE );
1439     p_io_stream = new EbmlStream( *p_io_callback );
1440
1441     if( p_io_stream == NULL )
1442     {
1443         msg_Err( p_demux, "failed to create EbmlStream" );
1444         delete p_io_callback;
1445         delete p_sys;
1446         return VLC_EGENERIC;
1447     }
1448
1449     p_stream = p_sys->AnalyseAllSegmentsFound( p_demux, p_io_stream, true );
1450     if( p_stream == NULL )
1451     {
1452         msg_Err( p_demux, "cannot find KaxSegment" );
1453         goto error;
1454     }
1455     p_sys->streams.push_back( p_stream );
1456
1457     p_stream->p_in = p_io_callback;
1458     p_stream->p_es = p_io_stream;
1459
1460     for (size_t i=0; i<p_stream->segments.size(); i++)
1461     {
1462         p_stream->segments[i]->Preload();
1463     }
1464
1465     p_segment = p_stream->segments[0];
1466     if( p_segment->cluster != NULL )
1467     {
1468         msg_Warn( p_demux, "cannot find any cluster, damaged file ?" );
1469
1470         // reset the stream reading to the first cluster of the segment used
1471         p_stream->p_in->setFilePointer( p_segment->cluster->GetElementPosition() );
1472     }
1473
1474     if (config_GetInt( p_demux, "mkv-preload-local-dir" ))
1475     {
1476         /* get the files from the same dir from the same family (based on p_demux->psz_path) */
1477         if (p_demux->psz_path[0] != '\0' && !strcmp(p_demux->psz_access, ""))
1478         {
1479             // assume it's a regular file
1480             // get the directory path
1481             s_path = p_demux->psz_path;
1482             if (s_path.at(s_path.length() - 1) == DIRECTORY_SEPARATOR)
1483             {
1484                 s_path = s_path.substr(0,s_path.length()-1);
1485             }
1486             else
1487             {
1488                 if (s_path.find_last_of(DIRECTORY_SEPARATOR) > 0)
1489                 {
1490                     s_path = s_path.substr(0,s_path.find_last_of(DIRECTORY_SEPARATOR));
1491                 }
1492             }
1493
1494             struct dirent *p_file_item;
1495             DIR *p_src_dir = opendir(s_path.c_str());
1496
1497             if (p_src_dir != NULL)
1498             {
1499                 while ((p_file_item = (dirent *) readdir(p_src_dir)))
1500                 {
1501                     if (strlen(p_file_item->d_name) > 4)
1502                     {
1503                         s_filename = s_path + DIRECTORY_SEPARATOR + p_file_item->d_name;
1504
1505 #ifdef WIN32
1506                         if (!strcasecmp(s_filename.c_str(), p_demux->psz_path))
1507 #else
1508                         if (!s_filename.compare(p_demux->psz_path))
1509 #endif
1510                             continue; // don't reuse the original opened file
1511
1512 #if defined(__GNUC__) && (__GNUC__ < 3)
1513                         if (!s_filename.compare("mkv", s_filename.length() - 3, 3) ||
1514                             !s_filename.compare("mka", s_filename.length() - 3, 3))
1515 #else
1516                         if (!s_filename.compare(s_filename.length() - 3, 3, "mkv") ||
1517                             !s_filename.compare(s_filename.length() - 3, 3, "mka"))
1518 #endif
1519                         {
1520                             // test wether this file belongs to our family
1521                             stream_t *p_file_stream = stream_UrlNew( p_demux, s_filename.c_str());
1522                             if ( p_file_stream != NULL )
1523                             {
1524                                 vlc_stream_io_callback *p_file_io = new vlc_stream_io_callback( p_file_stream, VLC_TRUE );
1525                                 EbmlStream *p_estream = new EbmlStream(*p_file_io);
1526
1527                                 p_stream = p_sys->AnalyseAllSegmentsFound( p_demux, p_estream );
1528
1529                                 if ( p_stream == NULL )
1530                                 {
1531                                     msg_Dbg( p_demux, "the file '%s' will not be used", s_filename.c_str() );
1532                                     delete p_estream;
1533                                     delete p_file_io;
1534                                 }
1535                                 else
1536                                 {
1537                                     p_stream->p_in = p_file_io;
1538                                     p_stream->p_es = p_estream;
1539                                     p_sys->streams.push_back( p_stream );
1540                                 }
1541                             }
1542                             else
1543                             {
1544                                 msg_Dbg( p_demux, "the file '%s' cannot be opened", s_filename.c_str() );
1545                             }
1546                         }
1547                     }
1548                 }
1549                 closedir( p_src_dir );
1550             }
1551         }
1552
1553         p_sys->PreloadFamily( *p_segment );
1554     }
1555
1556     p_sys->PreloadLinked( p_segment );
1557
1558     if ( !p_sys->PreparePlayback( NULL ) )
1559     {
1560         msg_Err( p_demux, "cannot use the segment" );
1561         goto error;
1562     }
1563
1564     p_sys->StartUiThread();
1565
1566     return VLC_SUCCESS;
1567
1568 error:
1569     delete p_sys;
1570     return VLC_EGENERIC;
1571 }
1572
1573 /*****************************************************************************
1574  * Close: frees unused data
1575  *****************************************************************************/
1576 static void Close( vlc_object_t *p_this )
1577 {
1578     demux_t     *p_demux = (demux_t*)p_this;
1579     demux_sys_t *p_sys   = p_demux->p_sys;
1580
1581     delete p_sys;
1582 }
1583
1584 /*****************************************************************************
1585  * Control:
1586  *****************************************************************************/
1587 static int Control( demux_t *p_demux, int i_query, va_list args )
1588 {
1589     demux_sys_t        *p_sys = p_demux->p_sys;
1590     int64_t     *pi64;
1591     double      *pf, f;
1592     int         i_skp;
1593     size_t      i_idx;
1594
1595     vlc_meta_t *p_meta;
1596
1597     switch( i_query )
1598     {
1599         case DEMUX_GET_META:
1600             p_meta = (vlc_meta_t*)va_arg( args, vlc_meta_t* );
1601             vlc_meta_Merge( p_meta, p_sys->meta );
1602             return VLC_SUCCESS;
1603
1604         case DEMUX_GET_LENGTH:
1605             pi64 = (int64_t*)va_arg( args, int64_t * );
1606             if( p_sys->f_duration > 0.0 )
1607             {
1608                 *pi64 = (int64_t)(p_sys->f_duration * 1000);
1609                 return VLC_SUCCESS;
1610             }
1611             return VLC_EGENERIC;
1612
1613         case DEMUX_GET_POSITION:
1614             pf = (double*)va_arg( args, double * );
1615             if ( p_sys->f_duration > 0.0 )
1616                 *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);
1617             return VLC_SUCCESS;
1618
1619         case DEMUX_SET_POSITION:
1620             f = (double)va_arg( args, double );
1621             Seek( p_demux, -1, f, NULL );
1622             return VLC_SUCCESS;
1623
1624         case DEMUX_GET_TIME:
1625             pi64 = (int64_t*)va_arg( args, int64_t * );
1626             *pi64 = p_sys->i_pts;
1627             return VLC_SUCCESS;
1628
1629         case DEMUX_GET_TITLE_INFO:
1630             if( p_sys->titles.size() )
1631             {
1632                 input_title_t ***ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
1633                 int *pi_int    = (int*)va_arg( args, int* );
1634
1635                 *pi_int = p_sys->titles.size();
1636                 *ppp_title = (input_title_t**)malloc( sizeof( input_title_t**) * p_sys->titles.size() );
1637
1638                 for( size_t i = 0; i < p_sys->titles.size(); i++ )
1639                 {
1640                     (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->titles[i] );
1641                 }
1642
1643                 return VLC_SUCCESS;
1644             }
1645             return VLC_EGENERIC;
1646
1647         case DEMUX_SET_TITLE:
1648             /* TODO handle editions as titles */
1649             i_idx = (int)va_arg( args, int );
1650             if( i_idx < p_sys->used_segments.size() )
1651             {
1652                 p_sys->JumpTo( *p_sys->used_segments[i_idx], NULL );
1653                 return VLC_SUCCESS;
1654             }
1655             return VLC_EGENERIC;
1656
1657         case DEMUX_SET_SEEKPOINT:
1658             i_skp = (int)va_arg( args, int );
1659
1660             // TODO change the way it works with the << & >> buttons on the UI (+1/-1 instead of a number)
1661             if( p_sys->titles.size() && i_skp < p_sys->titles[p_sys->i_current_title]->i_seekpoint)
1662             {
1663                 Seek( p_demux, (int64_t)p_sys->titles[p_sys->i_current_title]->seekpoint[i_skp]->i_time_offset, -1, NULL);
1664                 p_demux->info.i_seekpoint |= INPUT_UPDATE_SEEKPOINT;
1665                 p_demux->info.i_seekpoint = i_skp;
1666                 return VLC_SUCCESS;
1667             }
1668             return VLC_EGENERIC;
1669
1670         case DEMUX_SET_TIME:
1671         case DEMUX_GET_FPS:
1672         default:
1673             return VLC_EGENERIC;
1674     }
1675 }
1676
1677 #if LIBMATROSKA_VERSION >= 0x000800
1678 int matroska_segment_c::BlockGet( KaxBlock * & pp_block, KaxSimpleBlock * & pp_simpleblock, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration )
1679 #else
1680 int matroska_segment_c::BlockGet( KaxBlock * & pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration )
1681 #endif
1682 {
1683 #if LIBMATROSKA_VERSION >= 0x000800
1684     pp_simpleblock = NULL;
1685 #endif
1686     pp_block = NULL;
1687     *pi_ref1  = 0;
1688     *pi_ref2  = 0;
1689
1690     for( ;; )
1691     {
1692         EbmlElement *el = NULL;
1693         int         i_level;
1694
1695         if ( ep == NULL )
1696             return VLC_EGENERIC;
1697
1698 #if LIBMATROSKA_VERSION >= 0x000800
1699         if( pp_simpleblock != NULL || ((el = ep->Get()) == NULL && pp_block != NULL) )
1700 #else
1701         if( (el = ep->Get()) == NULL && pp_block != NULL )
1702 #endif
1703         {
1704             /* update the index */
1705 #define idx p_indexes[i_index - 1]
1706             if( i_index > 0 && idx.i_time == -1 )
1707             {
1708 #if LIBMATROSKA_VERSION >= 0x000800
1709                 if ( pp_simpleblock != NULL )
1710                     idx.i_time        = pp_simpleblock->GlobalTimecode() / (mtime_t)1000;
1711                 else
1712 #endif
1713                     idx.i_time        = (*pp_block).GlobalTimecode() / (mtime_t)1000;
1714                 idx.b_key         = *pi_ref1 == 0 ? VLC_TRUE : VLC_FALSE;
1715             }
1716 #undef idx
1717             return VLC_SUCCESS;
1718         }
1719
1720         i_level = ep->GetLevel();
1721
1722         if( el == NULL )
1723         {
1724             if( i_level > 1 )
1725             {
1726                 ep->Up();
1727                 continue;
1728             }
1729             msg_Warn( &sys.demuxer, "EOF" );
1730             return VLC_EGENERIC;
1731         }
1732
1733         /* do parsing */
1734         switch ( i_level )
1735         {
1736         case 1:
1737             if( MKV_IS_ID( el, KaxCluster ) )
1738             {
1739                 cluster = (KaxCluster*)el;
1740                 i_cluster_pos = cluster->GetElementPosition();
1741
1742                 /* add it to the index */
1743                 if( i_index == 0 ||
1744                     ( i_index > 0 && p_indexes[i_index - 1].i_position < (int64_t)cluster->GetElementPosition() ) )
1745                 {
1746                     IndexAppendCluster( cluster );
1747                 }
1748
1749                 // reset silent tracks
1750                 for (size_t i=0; i<tracks.size(); i++)
1751                 {
1752                     tracks[i]->b_silent = VLC_FALSE;
1753                 }
1754
1755                 ep->Down();
1756             }
1757             else if( MKV_IS_ID( el, KaxCues ) )
1758             {
1759                 msg_Warn( &sys.demuxer, "find KaxCues FIXME" );
1760                 return VLC_EGENERIC;
1761             }
1762             else
1763             {
1764                 msg_Dbg( &sys.demuxer, "unknown (%s)", typeid( el ).name() );
1765             }
1766             break;
1767         case 2:
1768             if( MKV_IS_ID( el, KaxClusterTimecode ) )
1769             {
1770                 KaxClusterTimecode &ctc = *(KaxClusterTimecode*)el;
1771
1772                 ctc.ReadData( es.I_O(), SCOPE_ALL_DATA );
1773                 cluster->InitTimecode( uint64( ctc ), i_timescale );
1774             }
1775             else if( MKV_IS_ID( el, KaxClusterSilentTracks ) )
1776             {
1777                 ep->Down();
1778             }
1779             else if( MKV_IS_ID( el, KaxBlockGroup ) )
1780             {
1781                 i_block_pos = el->GetElementPosition();
1782                 ep->Down();
1783             }
1784 #if LIBMATROSKA_VERSION >= 0x000800
1785             else if( MKV_IS_ID( el, KaxSimpleBlock ) )
1786             {
1787                 pp_simpleblock = (KaxSimpleBlock*)el;
1788
1789                 pp_simpleblock->ReadData( es.I_O() );
1790                 pp_simpleblock->SetParent( *cluster );
1791             }
1792 #endif
1793             break;
1794         case 3:
1795             if( MKV_IS_ID( el, KaxBlock ) )
1796             {
1797                 pp_block = (KaxBlock*)el;
1798
1799                 pp_block->ReadData( es.I_O() );
1800                 pp_block->SetParent( *cluster );
1801
1802                 ep->Keep();
1803             }
1804             else if( MKV_IS_ID( el, KaxBlockDuration ) )
1805             {
1806                 KaxBlockDuration &dur = *(KaxBlockDuration*)el;
1807
1808                 dur.ReadData( es.I_O() );
1809                 *pi_duration = uint64( dur );
1810             }
1811             else if( MKV_IS_ID( el, KaxReferenceBlock ) )
1812             {
1813                 KaxReferenceBlock &ref = *(KaxReferenceBlock*)el;
1814
1815                 ref.ReadData( es.I_O() );
1816                 if( *pi_ref1 == 0 )
1817                 {
1818                     *pi_ref1 = int64( ref ) * cluster->GlobalTimecodeScale();
1819                 }
1820                 else if( *pi_ref2 == 0 )
1821                 {
1822                     *pi_ref2 = int64( ref ) * cluster->GlobalTimecodeScale();
1823                 }
1824             }
1825             else if( MKV_IS_ID( el, KaxClusterSilentTrackNumber ) )
1826             {
1827                 KaxClusterSilentTrackNumber &track_num = *(KaxClusterSilentTrackNumber*)el;
1828                 track_num.ReadData( es.I_O() );
1829                 // find the track
1830                 for (size_t i=0; i<tracks.size(); i++)
1831                 {
1832                     if ( tracks[i]->i_number == uint32(track_num))
1833                     {
1834                         tracks[i]->b_silent = VLC_TRUE;
1835                         break;
1836                     }
1837                 }
1838             }
1839             break;
1840         default:
1841             msg_Err( &sys.demuxer, "invalid level = %d", i_level );
1842             return VLC_EGENERIC;
1843         }
1844     }
1845 }
1846
1847 static block_t *MemToBlock( demux_t *p_demux, uint8_t *p_mem, int i_mem, size_t offset)
1848 {
1849     block_t *p_block;
1850     if( !(p_block = block_New( p_demux, i_mem + offset ) ) ) return NULL;
1851     memcpy( p_block->p_buffer + offset, p_mem, i_mem );
1852     //p_block->i_rate = p_input->stream.control.i_rate;
1853     return p_block;
1854 }
1855
1856 #if LIBMATROSKA_VERSION >= 0x000800
1857 static void BlockDecode( demux_t *p_demux, KaxBlock *block, KaxSimpleBlock *simpleblock,
1858                          mtime_t i_pts, mtime_t i_duration, bool f_mandatory )
1859 #else
1860 static void BlockDecode( demux_t *p_demux, KaxBlock *block, mtime_t i_pts,
1861                          mtime_t i_duration, bool f_mandatory )
1862 #endif
1863 {
1864     demux_sys_t        *p_sys = p_demux->p_sys;
1865     matroska_segment_c *p_segment = p_sys->p_current_segment->Segment();
1866
1867     size_t          i_track;
1868     unsigned int    i;
1869     vlc_bool_t      b;
1870
1871 #define tk  p_segment->tracks[i_track]
1872     for( i_track = 0; i_track < p_segment->tracks.size(); i_track++ )
1873     {
1874 #if LIBMATROSKA_VERSION >= 0x000800
1875         if( (block != NULL && tk->i_number == block->TrackNum()) ||
1876             (simpleblock != NULL && tk->i_number == simpleblock->TrackNum()))
1877 #else
1878         if( tk->i_number == block->TrackNum() )
1879 #endif
1880         {
1881             break;
1882         }
1883     }
1884
1885     if( i_track >= p_segment->tracks.size() )
1886     {
1887         msg_Err( p_demux, "invalid track number=%d", block->TrackNum() );
1888         return;
1889     }
1890     if( tk->fmt.i_cat != NAV_ES && tk->p_es == NULL )
1891     {
1892         msg_Err( p_demux, "unknown track number=%d", block->TrackNum() );
1893         return;
1894     }
1895     if( i_pts + i_duration < p_sys->i_start_pts && tk->fmt.i_cat == AUDIO_ES )
1896     {
1897         return; /* discard audio packets that shouldn't be rendered */
1898     }
1899
1900     if ( tk->fmt.i_cat != NAV_ES )
1901     {
1902         es_out_Control( p_demux->out, ES_OUT_GET_ES_STATE, tk->p_es, &b );
1903
1904         if( !b )
1905         {
1906             tk->b_inited = VLC_FALSE;
1907             return;
1908         }
1909     }
1910
1911
1912     /* First send init data */
1913     if( !tk->b_inited && tk->i_data_init > 0 )
1914     {
1915         block_t *p_init;
1916
1917         msg_Dbg( p_demux, "sending header (%d bytes)", tk->i_data_init );
1918         p_init = MemToBlock( p_demux, tk->p_data_init, tk->i_data_init, 0 );
1919         if( p_init ) es_out_Send( p_demux->out, tk->p_es, p_init );
1920     }
1921     tk->b_inited = VLC_TRUE;
1922
1923
1924 #if LIBMATROSKA_VERSION >= 0x000800
1925     for( i = 0;
1926         (block != NULL && i < block->NumberFrames()) || (simpleblock != NULL && i < simpleblock->NumberFrames());
1927         i++ )
1928 #else
1929     for( i = 0; i < block->NumberFrames(); i++ )
1930 #endif
1931     {
1932         block_t *p_block;
1933         DataBuffer *data;
1934 #if LIBMATROSKA_VERSION >= 0x000800
1935         if ( simpleblock != NULL )
1936         {
1937             data = &simpleblock->GetBuffer(i);
1938             // condition when the DTS is correct (keyframe or B frame == NOT P frame)
1939             f_mandatory = simpleblock->IsDiscardable() || simpleblock->IsKeyframe();
1940         }
1941         else
1942 #endif
1943         data = &block->GetBuffer(i);
1944
1945         if( tk->i_compression_type == MATROSKA_COMPRESSION_HEADER && tk->p_compression_data != NULL )
1946             p_block = MemToBlock( p_demux, data->Buffer(), data->Size(), tk->p_compression_data->GetSize() );
1947         else
1948             p_block = MemToBlock( p_demux, data->Buffer(), data->Size(), 0 );
1949
1950         if( p_block == NULL )
1951         {
1952             break;
1953         }
1954
1955 #if defined(HAVE_ZLIB_H)
1956         if( tk->i_compression_type == MATROSKA_COMPRESSION_ZLIB )
1957         {
1958             p_block = block_zlib_decompress( VLC_OBJECT(p_demux), p_block );
1959         }
1960         else
1961 #endif
1962         if( tk->i_compression_type == MATROSKA_COMPRESSION_HEADER )
1963         {
1964             memcpy( p_block->p_buffer, tk->p_compression_data->GetBuffer(), tk->p_compression_data->GetSize() );
1965         }
1966
1967         if ( tk->fmt.i_cat == NAV_ES )
1968         {
1969             // TODO handle the start/stop times of this packet
1970             if ( p_sys->b_ui_hooked )
1971             {
1972                 vlc_mutex_lock( &p_sys->p_ev->lock );
1973                 memcpy( &p_sys->pci_packet, &p_block->p_buffer[1], sizeof(pci_t) );
1974                 p_sys->SwapButtons();
1975                 p_sys->b_pci_packet_set = true;
1976                 vlc_mutex_unlock( &p_sys->p_ev->lock );
1977                 block_Release( p_block );
1978             }
1979             return;
1980         }
1981         // correct timestamping when B frames are used
1982         if( tk->fmt.i_cat != VIDEO_ES )
1983         {
1984             p_block->i_dts = p_block->i_pts = i_pts;
1985         }
1986         else
1987         {
1988             if( !strcmp( tk->psz_codec, "V_MS/VFW/FOURCC" ) )
1989             {
1990                 // in VFW we have no idea about B frames
1991                 p_block->i_pts = 0;
1992                 p_block->i_dts = i_pts;
1993             }
1994             else
1995             {
1996                 p_block->i_pts = i_pts;
1997                 if ( f_mandatory )
1998                     p_block->i_dts = p_block->i_pts;
1999                 else
2000                     p_block->i_dts = min( i_pts, tk->i_last_dts + (tk->i_default_duration >> 10));
2001                 p_sys->i_pts = p_block->i_dts;
2002             }
2003         }
2004         tk->i_last_dts = p_block->i_dts;
2005
2006 #if 0
2007 msg_Dbg( p_demux, "block i_dts: "I64Fd" / i_pts: "I64Fd, p_block->i_dts, p_block->i_pts);
2008 #endif
2009         if( strcmp( tk->psz_codec, "S_VOBSUB" ) )
2010         {
2011             p_block->i_length = i_duration * 1000;
2012         }
2013
2014         es_out_Send( p_demux->out, tk->p_es, p_block );
2015
2016         /* use time stamp only for first block */
2017         i_pts = 0;
2018     }
2019
2020 #undef tk
2021 }
2022
2023 matroska_stream_c *demux_sys_t::AnalyseAllSegmentsFound( demux_t *p_demux, EbmlStream *p_estream, bool b_initial )
2024 {
2025     int i_upper_lvl = 0;
2026     size_t i;
2027     EbmlElement *p_l0, *p_l1, *p_l2;
2028     bool b_keep_stream = false, b_keep_segment;
2029
2030     // verify the EBML Header
2031     p_l0 = p_estream->FindNextID(EbmlHead::ClassInfos, 0xFFFFFFFFL);
2032     if (p_l0 == NULL)
2033     {
2034         msg_Err( p_demux, "No EBML header found" );
2035         return NULL;
2036     }
2037
2038     // verify we can read this Segment, we only support Matroska version 1 for now
2039     p_l0->Read(*p_estream, EbmlHead::ClassInfos.Context, i_upper_lvl, p_l0, true);
2040
2041     EDocType doc_type = GetChild<EDocType>(*static_cast<EbmlHead*>(p_l0));
2042     if (std::string(doc_type) != "matroska")
2043     {
2044         msg_Err( p_demux, "Not a Matroska file : DocType = %s ", std::string(doc_type).c_str());
2045         return NULL;
2046     }
2047
2048     EDocTypeReadVersion doc_read_version = GetChild<EDocTypeReadVersion>(*static_cast<EbmlHead*>(p_l0));
2049 #if LIBMATROSKA_VERSION >= 0x000800
2050     if (uint64(doc_read_version) > 2)
2051     {
2052         msg_Err( p_demux, "This matroska file is needs version "I64Fd" and this VLC only supports version 1 & 2", uint64(doc_read_version));
2053         return NULL;
2054     }
2055 #else
2056     if (uint64(doc_read_version) != 1)
2057     {
2058         msg_Err( p_demux, "This matroska file is needs version "I64Fd" and this VLC only supports version 1", uint64(doc_read_version));
2059         return NULL;
2060     }
2061 #endif
2062
2063     delete p_l0;
2064
2065
2066     // find all segments in this file
2067     p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFFLL);
2068     if (p_l0 == NULL)
2069     {
2070         return NULL;
2071     }
2072
2073     matroska_stream_c *p_stream1 = new matroska_stream_c( *this );
2074
2075     while (p_l0 != 0)
2076     {
2077         if (EbmlId(*p_l0) == KaxSegment::ClassInfos.GlobalId)
2078         {
2079             EbmlParser  *ep;
2080             matroska_segment_c *p_segment1 = new matroska_segment_c( *this, *p_estream );
2081             b_keep_segment = b_initial;
2082
2083             ep = new EbmlParser(p_estream, p_l0, &demuxer );
2084             p_segment1->ep = ep;
2085             p_segment1->segment = (KaxSegment*)p_l0;
2086
2087             while ((p_l1 = ep->Get()))
2088             {
2089                 if (MKV_IS_ID(p_l1, KaxInfo))
2090                 {
2091                     // find the families of this segment
2092                     KaxInfo *p_info = static_cast<KaxInfo*>(p_l1);
2093
2094                     p_info->Read(*p_estream, KaxInfo::ClassInfos.Context, i_upper_lvl, p_l2, true);
2095                     for( i = 0; i < p_info->ListSize(); i++ )
2096                     {
2097                         EbmlElement *l = (*p_info)[i];
2098
2099                         if( MKV_IS_ID( l, KaxSegmentUID ) )
2100                         {
2101                             KaxSegmentUID *p_uid = static_cast<KaxSegmentUID*>(l);
2102                             b_keep_segment = (FindSegment( *p_uid ) == NULL);
2103                             if ( !b_keep_segment )
2104                                 break; // this segment is already known
2105                             opened_segments.push_back( p_segment1 );
2106                             delete p_segment1->p_segment_uid;
2107                             p_segment1->p_segment_uid = new KaxSegmentUID(*p_uid);
2108                         }
2109                         else if( MKV_IS_ID( l, KaxPrevUID ) )
2110                         {
2111                             p_segment1->p_prev_segment_uid = new KaxPrevUID( *static_cast<KaxPrevUID*>(l) );
2112                         }
2113                         else if( MKV_IS_ID( l, KaxNextUID ) )
2114                         {
2115                             p_segment1->p_next_segment_uid = new KaxNextUID( *static_cast<KaxNextUID*>(l) );
2116                         }
2117                         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
2118                         {
2119                             KaxSegmentFamily *p_fam = new KaxSegmentFamily( *static_cast<KaxSegmentFamily*>(l) );
2120                             p_segment1->families.push_back( p_fam );
2121                         }
2122                     }
2123                     break;
2124                 }
2125             }
2126             if ( b_keep_segment )
2127             {
2128                 b_keep_stream = true;
2129                 p_stream1->segments.push_back( p_segment1 );
2130             }
2131             else
2132                 delete p_segment1;
2133         }
2134         if (p_l0->IsFiniteSize() )
2135         {
2136             p_l0->SkipData(*p_estream, KaxMatroska_Context);
2137             p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFL);
2138         }
2139         else
2140             p_l0 = p_l0->SkipData(*p_estream, KaxSegment_Context);
2141     }
2142
2143     if ( !b_keep_stream )
2144     {
2145         delete p_stream1;
2146         p_stream1 = NULL;
2147     }
2148
2149     return p_stream1;
2150 }
2151
2152 bool matroska_segment_c::Select( mtime_t i_start_time )
2153 {
2154     size_t i_track;
2155
2156     /* add all es */
2157     msg_Dbg( &sys.demuxer, "found %d es", (int)tracks.size() );
2158     sys.b_pci_packet_set = false;
2159
2160     for( i_track = 0; i_track < tracks.size(); i_track++ )
2161     {
2162         if( tracks[i_track]->fmt.i_cat == UNKNOWN_ES )
2163         {
2164             msg_Warn( &sys.demuxer, "invalid track[%d, n=%d]", (int)i_track, tracks[i_track]->i_number );
2165             tracks[i_track]->p_es = NULL;
2166             continue;
2167         }
2168
2169         if( !strcmp( tracks[i_track]->psz_codec, "V_MS/VFW/FOURCC" ) )
2170         {
2171             if( tracks[i_track]->i_extra_data < (int)sizeof( BITMAPINFOHEADER ) )
2172             {
2173                 msg_Err( &sys.demuxer, "missing/invalid BITMAPINFOHEADER" );
2174                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2175             }
2176             else
2177             {
2178                 BITMAPINFOHEADER *p_bih = (BITMAPINFOHEADER*)tracks[i_track]->p_extra_data;
2179
2180                 tracks[i_track]->fmt.video.i_width = GetDWLE( &p_bih->biWidth );
2181                 tracks[i_track]->fmt.video.i_height= GetDWLE( &p_bih->biHeight );
2182                 tracks[i_track]->fmt.i_codec       = GetFOURCC( &p_bih->biCompression );
2183
2184                 tracks[i_track]->fmt.i_extra       = GetDWLE( &p_bih->biSize ) - sizeof( BITMAPINFOHEADER );
2185                 if( tracks[i_track]->fmt.i_extra > 0 )
2186                 {
2187                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2188                     memcpy( tracks[i_track]->fmt.p_extra, &p_bih[1], tracks[i_track]->fmt.i_extra );
2189                 }
2190             }
2191         }
2192         else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG1" ) ||
2193                  !strcmp( tracks[i_track]->psz_codec, "V_MPEG2" ) )
2194         {
2195             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'v' );
2196         }
2197         else if( !strncmp( tracks[i_track]->psz_codec, "V_MPEG4", 7 ) )
2198         {
2199             if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/MS/V3" ) )
2200             {
2201                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'D', 'I', 'V', '3' );
2202             }
2203             else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/ISO/AVC" ) )
2204             {
2205                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'v', 'c', '1' );
2206                 tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2207                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2208                 memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2209             }
2210             else
2211             {
2212                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' );
2213             }
2214         }
2215         else if( !strcmp( tracks[i_track]->psz_codec, "V_QUICKTIME" ) )
2216         {
2217             MP4_Box_t *p_box = (MP4_Box_t*)malloc( sizeof( MP4_Box_t ) );
2218             stream_t *p_mp4_stream = stream_MemoryNew( VLC_OBJECT(&sys.demuxer),
2219                                                        tracks[i_track]->p_extra_data,
2220                                                        tracks[i_track]->i_extra_data,
2221                                                        VLC_FALSE );
2222             MP4_ReadBoxCommon( p_mp4_stream, p_box );
2223             MP4_ReadBox_sample_vide( p_mp4_stream, p_box );
2224             tracks[i_track]->fmt.i_codec = p_box->i_type;
2225             tracks[i_track]->fmt.video.i_width = p_box->data.p_sample_vide->i_width;
2226             tracks[i_track]->fmt.video.i_height = p_box->data.p_sample_vide->i_height;
2227             tracks[i_track]->fmt.i_extra = p_box->data.p_sample_vide->i_qt_image_description;
2228             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2229             memcpy( tracks[i_track]->fmt.p_extra, p_box->data.p_sample_vide->p_qt_image_description, tracks[i_track]->fmt.i_extra );
2230             MP4_FreeBox_sample_vide( p_box );
2231             stream_Delete( p_mp4_stream );
2232         }
2233         else if( !strcmp( tracks[i_track]->psz_codec, "A_MS/ACM" ) )
2234         {
2235             if( tracks[i_track]->i_extra_data < (int)sizeof( WAVEFORMATEX ) )
2236             {
2237                 msg_Err( &sys.demuxer, "missing/invalid WAVEFORMATEX" );
2238                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2239             }
2240             else
2241             {
2242                 WAVEFORMATEX *p_wf = (WAVEFORMATEX*)tracks[i_track]->p_extra_data;
2243
2244                 wf_tag_to_fourcc( GetWLE( &p_wf->wFormatTag ), &tracks[i_track]->fmt.i_codec, NULL );
2245
2246                 tracks[i_track]->fmt.audio.i_channels   = GetWLE( &p_wf->nChannels );
2247                 tracks[i_track]->fmt.audio.i_rate = GetDWLE( &p_wf->nSamplesPerSec );
2248                 tracks[i_track]->fmt.i_bitrate    = GetDWLE( &p_wf->nAvgBytesPerSec ) * 8;
2249                 tracks[i_track]->fmt.audio.i_blockalign = GetWLE( &p_wf->nBlockAlign );;
2250                 tracks[i_track]->fmt.audio.i_bitspersample = GetWLE( &p_wf->wBitsPerSample );
2251
2252                 tracks[i_track]->fmt.i_extra            = GetWLE( &p_wf->cbSize );
2253                 if( tracks[i_track]->fmt.i_extra > 0 )
2254                 {
2255                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2256                     memcpy( tracks[i_track]->fmt.p_extra, &p_wf[1], tracks[i_track]->fmt.i_extra );
2257                 }
2258             }
2259         }
2260         else if( !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L3" ) ||
2261                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L2" ) ||
2262                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L1" ) )
2263         {
2264             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' );
2265         }
2266         else if( !strcmp( tracks[i_track]->psz_codec, "A_AC3" ) )
2267         {
2268             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' );
2269         }
2270         else if( !strcmp( tracks[i_track]->psz_codec, "A_DTS" ) )
2271         {
2272             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'd', 't', 's', ' ' );
2273         }
2274         else if( !strcmp( tracks[i_track]->psz_codec, "A_FLAC" ) )
2275         {
2276             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'f', 'l', 'a', 'c' );
2277             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2278             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2279             memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2280         }
2281         else if( !strcmp( tracks[i_track]->psz_codec, "A_VORBIS" ) )
2282         {
2283             int i, i_offset = 1, i_size[3], i_extra;
2284             uint8_t *p_extra;
2285
2286             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'v', 'o', 'r', 'b' );
2287
2288             /* Split the 3 headers */
2289             if( tracks[i_track]->p_extra_data[0] != 0x02 )
2290                 msg_Err( &sys.demuxer, "invalid vorbis header" );
2291
2292             for( i = 0; i < 2; i++ )
2293             {
2294                 i_size[i] = 0;
2295                 while( i_offset < tracks[i_track]->i_extra_data )
2296                 {
2297                     i_size[i] += tracks[i_track]->p_extra_data[i_offset];
2298                     if( tracks[i_track]->p_extra_data[i_offset++] != 0xff ) break;
2299                 }
2300             }
2301
2302             i_size[0] = __MIN(i_size[0], tracks[i_track]->i_extra_data - i_offset);
2303             i_size[1] = __MIN(i_size[1], tracks[i_track]->i_extra_data -i_offset -i_size[0]);
2304             i_size[2] = tracks[i_track]->i_extra_data - i_offset - i_size[0] - i_size[1];
2305
2306             tracks[i_track]->fmt.i_extra = 3 * 2 + i_size[0] + i_size[1] + i_size[2];
2307             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2308             p_extra = (uint8_t *)tracks[i_track]->fmt.p_extra; i_extra = 0;
2309             for( i = 0; i < 3; i++ )
2310             {
2311                 *(p_extra++) = i_size[i] >> 8;
2312                 *(p_extra++) = i_size[i] & 0xFF;
2313                 memcpy( p_extra, tracks[i_track]->p_extra_data + i_offset + i_extra,
2314                         i_size[i] );
2315                 p_extra += i_size[i];
2316                 i_extra += i_size[i];
2317             }
2318         }
2319         else if( !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG2/", strlen( "A_AAC/MPEG2/" ) ) ||
2320                  !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG4/", strlen( "A_AAC/MPEG4/" ) ) )
2321         {
2322             int i_profile, i_srate, sbr = 0;
2323             static unsigned int i_sample_rates[] =
2324             {
2325                     96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050,
2326                         16000, 12000, 11025, 8000,  7350,  0,     0,     0
2327             };
2328
2329             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
2330             /* create data for faad (MP4DecSpecificDescrTag)*/
2331
2332             if( !strcmp( &tracks[i_track]->psz_codec[12], "MAIN" ) )
2333             {
2334                 i_profile = 0;
2335             }
2336             else if( !strcmp( &tracks[i_track]->psz_codec[12], "LC" ) )
2337             {
2338                 i_profile = 1;
2339             }
2340             else if( !strcmp( &tracks[i_track]->psz_codec[12], "SSR" ) )
2341             {
2342                 i_profile = 2;
2343             }
2344             else if( !strcmp( &tracks[i_track]->psz_codec[12], "LC/SBR" ) )
2345             {
2346                 i_profile = 1;
2347                 sbr = 1;
2348             }
2349             else
2350             {
2351                 i_profile = 3;
2352             }
2353
2354             for( i_srate = 0; i_srate < 13; i_srate++ )
2355             {
2356                 if( i_sample_rates[i_srate] == tracks[i_track]->i_original_rate )
2357                 {
2358                     break;
2359                 }
2360             }
2361             msg_Dbg( &sys.demuxer, "profile=%d srate=%d", i_profile, i_srate );
2362
2363             tracks[i_track]->fmt.i_extra = sbr ? 5 : 2;
2364             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2365             ((uint8_t*)tracks[i_track]->fmt.p_extra)[0] = ((i_profile + 1) << 3) | ((i_srate&0xe) >> 1);
2366             ((uint8_t*)tracks[i_track]->fmt.p_extra)[1] = ((i_srate & 0x1) << 7) | (tracks[i_track]->fmt.audio.i_channels << 3);
2367             if (sbr != 0)
2368             {
2369                 int syncExtensionType = 0x2B7;
2370                 int iDSRI;
2371                 for (iDSRI=0; iDSRI<13; iDSRI++)
2372                     if( i_sample_rates[iDSRI] == tracks[i_track]->fmt.audio.i_rate )
2373                         break;
2374                 ((uint8_t*)tracks[i_track]->fmt.p_extra)[2] = (syncExtensionType >> 3) & 0xFF;
2375                 ((uint8_t*)tracks[i_track]->fmt.p_extra)[3] = ((syncExtensionType & 0x7) << 5) | 5;
2376                 ((uint8_t*)tracks[i_track]->fmt.p_extra)[4] = ((1 & 0x1) << 7) | (iDSRI << 3);
2377             }
2378         }
2379         else if( !strcmp( tracks[i_track]->psz_codec, "A_AAC" ) )
2380         {
2381             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
2382             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2383             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2384             memcpy( tracks[i_track]->fmt.p_extra, tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2385         }
2386         else if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) ||
2387                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/LIT" ) ||
2388                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/FLOAT/IEEE" ) )
2389         {
2390             if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) )
2391             {
2392                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
2393             }
2394             else
2395             {
2396                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
2397             }
2398             tracks[i_track]->fmt.audio.i_blockalign = ( tracks[i_track]->fmt.audio.i_bitspersample + 7 ) / 8 * tracks[i_track]->fmt.audio.i_channels;
2399         }
2400         else if( !strcmp( tracks[i_track]->psz_codec, "A_TTA1" ) )
2401         {
2402             /* FIXME: support this codec */
2403             msg_Err( &sys.demuxer, "TTA not supported yet[%d, n=%d]", (int)i_track, tracks[i_track]->i_number );
2404             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2405         }
2406         else if( !strcmp( tracks[i_track]->psz_codec, "A_WAVPACK4" ) )
2407         {
2408             /* FIXME: support this codec */
2409             msg_Err( &sys.demuxer, "Wavpack not supported yet[%d, n=%d]", (int)i_track, tracks[i_track]->i_number );
2410             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2411         }
2412         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/UTF8" ) )
2413         {
2414             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 'u', 'b', 't' );
2415             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2416         }
2417         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/SSA" ) ||
2418                  !strcmp( tracks[i_track]->psz_codec, "S_TEXT/ASS" ) ||
2419                  !strcmp( tracks[i_track]->psz_codec, "S_SSA" ) ||
2420                  !strcmp( tracks[i_track]->psz_codec, "S_ASS" ))
2421         {
2422             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 's', 'a', ' ' );
2423             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2424             if( tracks[i_track]->i_extra_data )
2425             {
2426                 tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2427                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2428                 memcpy( tracks[i_track]->fmt.p_extra, tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2429             }
2430         }
2431         else if( !strcmp( tracks[i_track]->psz_codec, "S_VOBSUB" ) )
2432         {
2433             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's','p','u',' ' );
2434             if( tracks[i_track]->i_extra_data )
2435             {
2436                 char *p_start;
2437                 char *p_buf = (char *)malloc( tracks[i_track]->i_extra_data + 1);
2438                 memcpy( p_buf, tracks[i_track]->p_extra_data , tracks[i_track]->i_extra_data );
2439                 p_buf[tracks[i_track]->i_extra_data] = '\0';
2440
2441                 p_start = strstr( p_buf, "size:" );
2442                 if( sscanf( p_start, "size: %dx%d",
2443                         &tracks[i_track]->fmt.subs.spu.i_original_frame_width, &tracks[i_track]->fmt.subs.spu.i_original_frame_height ) == 2 )
2444                 {
2445                     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 );
2446                 }
2447                 else
2448                 {
2449                     msg_Warn( &sys.demuxer, "reading original frame size for vobsub failed" );
2450                 }
2451                 free( p_buf );
2452             }
2453         }
2454         else if( !strcmp( tracks[i_track]->psz_codec, "B_VOBBTN" ) )
2455         {
2456             tracks[i_track]->fmt.i_cat = NAV_ES;
2457             continue;
2458         }
2459         else
2460         {
2461             msg_Err( &sys.demuxer, "unknow codec id=`%s'", tracks[i_track]->psz_codec );
2462             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2463         }
2464         if( tracks[i_track]->b_default )
2465         {
2466             tracks[i_track]->fmt.i_priority = 1000;
2467         }
2468
2469         tracks[i_track]->p_es = es_out_Add( sys.demuxer.out, &tracks[i_track]->fmt );
2470
2471         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_start_time );
2472     }
2473
2474     sys.i_start_pts = i_start_time;
2475     // reset the stream reading to the first cluster of the segment used
2476     es.I_O().setFilePointer( i_start_pos );
2477
2478     delete ep;
2479     ep = new EbmlParser( &es, segment, &sys.demuxer );
2480
2481     return true;
2482 }
2483
2484 void demux_sys_t::StartUiThread()
2485 {
2486     if ( !b_ui_hooked )
2487     {
2488         msg_Dbg( &demuxer, "Starting the UI Hook" );
2489         b_ui_hooked = true;
2490         /* FIXME hack hack hack hack FIXME */
2491         /* Get p_input and create variable */
2492         p_input = (input_thread_t *) vlc_object_find( &demuxer, VLC_OBJECT_INPUT, FIND_PARENT );
2493         var_Create( p_input, "x-start", VLC_VAR_INTEGER );
2494         var_Create( p_input, "y-start", VLC_VAR_INTEGER );
2495         var_Create( p_input, "x-end", VLC_VAR_INTEGER );
2496         var_Create( p_input, "y-end", VLC_VAR_INTEGER );
2497         var_Create( p_input, "color", VLC_VAR_ADDRESS );
2498         var_Create( p_input, "menu-palette", VLC_VAR_ADDRESS );
2499         var_Create( p_input, "highlight", VLC_VAR_BOOL );
2500         var_Create( p_input, "highlight-mutex", VLC_VAR_MUTEX );
2501
2502         /* Now create our event thread catcher */
2503         p_ev = (event_thread_t *) vlc_object_create( &demuxer, sizeof( event_thread_t ) );
2504         p_ev->p_demux = &demuxer;
2505         p_ev->b_die = VLC_FALSE;
2506         vlc_mutex_init( p_ev, &p_ev->lock );
2507         vlc_thread_create( p_ev, "mkv event thread handler", EventThread,
2508                         VLC_THREAD_PRIORITY_LOW, VLC_FALSE );
2509     }
2510 }
2511
2512 void demux_sys_t::StopUiThread()
2513 {
2514     if ( b_ui_hooked )
2515     {
2516         p_ev->b_die = VLC_TRUE;
2517
2518         vlc_thread_join( p_ev );
2519         vlc_object_destroy( p_ev );
2520
2521         p_ev = NULL;
2522
2523         var_Destroy( p_input, "highlight-mutex" );
2524         var_Destroy( p_input, "highlight" );
2525         var_Destroy( p_input, "x-start" );
2526         var_Destroy( p_input, "x-end" );
2527         var_Destroy( p_input, "y-start" );
2528         var_Destroy( p_input, "y-end" );
2529         var_Destroy( p_input, "color" );
2530         var_Destroy( p_input, "menu-palette" );
2531
2532         vlc_object_release( p_input );
2533
2534         msg_Dbg( &demuxer, "Stopping the UI Hook" );
2535     }
2536     b_ui_hooked = false;
2537 }
2538
2539 int demux_sys_t::EventMouse( vlc_object_t *p_this, char const *psz_var,
2540                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
2541 {
2542     event_thread_t *p_ev = (event_thread_t *) p_data;
2543     vlc_mutex_lock( &p_ev->lock );
2544     if( psz_var[6] == 'c' )
2545     {
2546         p_ev->b_clicked = VLC_TRUE;
2547         msg_Dbg( p_this, "Event Mouse: clicked");
2548     }
2549     else if( psz_var[6] == 'm' )
2550         p_ev->b_moved = VLC_TRUE;
2551     vlc_mutex_unlock( &p_ev->lock );
2552
2553     return VLC_SUCCESS;
2554 }
2555
2556 int demux_sys_t::EventKey( vlc_object_t *p_this, char const *psz_var,
2557                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
2558 {
2559     event_thread_t *p_ev = (event_thread_t *) p_data;
2560     vlc_mutex_lock( &p_ev->lock );
2561     p_ev->b_key = VLC_TRUE;
2562     vlc_mutex_unlock( &p_ev->lock );
2563     msg_Dbg( p_this, "Event Key");
2564
2565     return VLC_SUCCESS;
2566 }
2567
2568 int demux_sys_t::EventThread( vlc_object_t *p_this )
2569 {
2570     event_thread_t *p_ev = (event_thread_t*)p_this;
2571     demux_sys_t    *p_sys = p_ev->p_demux->p_sys;
2572     vlc_object_t   *p_vout = NULL;
2573
2574     p_ev->b_moved   = VLC_FALSE;
2575     p_ev->b_clicked = VLC_FALSE;
2576     p_ev->b_key     = VLC_FALSE;
2577
2578     /* catch all key event */
2579     var_AddCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2580
2581     /* main loop */
2582     while( !p_ev->b_die )
2583     {
2584         if ( !p_sys->b_pci_packet_set )
2585         {
2586             /* Wait 100ms */
2587             msleep( 100000 );
2588             continue;
2589         }
2590
2591         vlc_bool_t b_activated = VLC_FALSE;
2592
2593         /* KEY part */
2594         if( p_ev->b_key )
2595         {
2596             vlc_value_t valk;
2597             struct vlc_t::hotkey *p_hotkeys = p_ev->p_vlc->p_hotkeys;
2598             int i, i_action = -1;
2599
2600             msg_Dbg( p_ev->p_demux, "Handle Key Event");
2601
2602             vlc_mutex_lock( &p_ev->lock );
2603
2604             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2605
2606             var_Get( p_ev->p_vlc, "key-pressed", &valk );
2607             for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
2608             {
2609                 if( p_hotkeys[i].i_key == valk.i_int )
2610                 {
2611                     i_action = p_hotkeys[i].i_action;
2612                 }
2613             }
2614
2615             uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2616
2617             switch( i_action )
2618             {
2619             case ACTIONID_NAV_LEFT:
2620                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2621                 {
2622                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2623                     if ( p_button_ptr->left > 0 && p_button_ptr->left <= pci->hli.hl_gi.btn_ns )
2624                     {
2625                         i_curr_button = p_button_ptr->left;
2626                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2627                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2628                         if ( button_ptr.auto_action_mode )
2629                         {
2630                             vlc_mutex_unlock( &p_ev->lock );
2631                             vlc_mutex_lock( &p_sys->lock_demuxer );
2632
2633                             // process the button action
2634                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2635
2636                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2637                             vlc_mutex_lock( &p_ev->lock );
2638                         }
2639                     }
2640                 }
2641                 break;
2642             case ACTIONID_NAV_RIGHT:
2643                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2644                 {
2645                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2646                     if ( p_button_ptr->right > 0 && p_button_ptr->right <= pci->hli.hl_gi.btn_ns )
2647                     {
2648                         i_curr_button = p_button_ptr->right;
2649                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2650                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2651                         if ( button_ptr.auto_action_mode )
2652                         {
2653                             vlc_mutex_unlock( &p_ev->lock );
2654                             vlc_mutex_lock( &p_sys->lock_demuxer );
2655
2656                             // process the button action
2657                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2658
2659                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2660                             vlc_mutex_lock( &p_ev->lock );
2661                         }
2662                     }
2663                 }
2664                 break;
2665             case ACTIONID_NAV_UP:
2666                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2667                 {
2668                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2669                     if ( p_button_ptr->up > 0 && p_button_ptr->up <= pci->hli.hl_gi.btn_ns )
2670                     {
2671                         i_curr_button = p_button_ptr->up;
2672                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2673                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2674                         if ( button_ptr.auto_action_mode )
2675                         {
2676                             vlc_mutex_unlock( &p_ev->lock );
2677                             vlc_mutex_lock( &p_sys->lock_demuxer );
2678
2679                             // process the button action
2680                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2681
2682                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2683                             vlc_mutex_lock( &p_ev->lock );
2684                         }
2685                     }
2686                 }
2687                 break;
2688             case ACTIONID_NAV_DOWN:
2689                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2690                 {
2691                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2692                     if ( p_button_ptr->down > 0 && p_button_ptr->down <= pci->hli.hl_gi.btn_ns )
2693                     {
2694                         i_curr_button = p_button_ptr->down;
2695                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2696                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2697                         if ( button_ptr.auto_action_mode )
2698                         {
2699                             vlc_mutex_unlock( &p_ev->lock );
2700                             vlc_mutex_lock( &p_sys->lock_demuxer );
2701
2702                             // process the button action
2703                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2704
2705                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2706                             vlc_mutex_lock( &p_ev->lock );
2707                         }
2708                     }
2709                 }
2710                 break;
2711             case ACTIONID_NAV_ACTIVATE:
2712                 b_activated = VLC_TRUE;
2713
2714                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2715                 {
2716                     btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2717
2718                     vlc_mutex_unlock( &p_ev->lock );
2719                     vlc_mutex_lock( &p_sys->lock_demuxer );
2720
2721                     // process the button action
2722                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2723
2724                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2725                     vlc_mutex_lock( &p_ev->lock );
2726                 }
2727                 break;
2728             default:
2729                 break;
2730             }
2731             p_ev->b_key = VLC_FALSE;
2732             vlc_mutex_unlock( &p_ev->lock );
2733         }
2734
2735         /* MOUSE part */
2736         if( p_vout && ( p_ev->b_moved || p_ev->b_clicked ) )
2737         {
2738             vlc_value_t valx, valy;
2739
2740             vlc_mutex_lock( &p_ev->lock );
2741             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2742             var_Get( p_vout, "mouse-x", &valx );
2743             var_Get( p_vout, "mouse-y", &valy );
2744
2745             if( p_ev->b_clicked )
2746             {
2747                 int32_t button;
2748                 int32_t best,dist,d;
2749                 int32_t mx,my,dx,dy;
2750
2751                 msg_Dbg( p_ev->p_demux, "Handle Mouse Event: Mouse clicked x(%d)*y(%d)", (unsigned)valx.i_int, (unsigned)valy.i_int);
2752
2753                 b_activated = VLC_TRUE;
2754                 // get current button
2755                 best = 0;
2756                 dist = 0x08000000; /* >> than  (720*720)+(567*567); */
2757                 for(button = 1; button <= pci->hli.hl_gi.btn_ns; button++)
2758                 {
2759                     btni_t *button_ptr = &(pci->hli.btnit[button-1]);
2760
2761                     if(((unsigned)valx.i_int >= button_ptr->x_start)
2762                      && ((unsigned)valx.i_int <= button_ptr->x_end)
2763                      && ((unsigned)valy.i_int >= button_ptr->y_start)
2764                      && ((unsigned)valy.i_int <= button_ptr->y_end))
2765                     {
2766                         mx = (button_ptr->x_start + button_ptr->x_end)/2;
2767                         my = (button_ptr->y_start + button_ptr->y_end)/2;
2768                         dx = mx - valx.i_int;
2769                         dy = my - valy.i_int;
2770                         d = (dx*dx) + (dy*dy);
2771                         /* If the mouse is within the button and the mouse is closer
2772                         * to the center of this button then it is the best choice. */
2773                         if(d < dist) {
2774                             dist = d;
2775                             best = button;
2776                         }
2777                     }
2778                 }
2779
2780                 if ( best != 0)
2781                 {
2782                     btni_t button_ptr = pci->hli.btnit[best-1];
2783                     uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2784
2785                     msg_Dbg( &p_sys->demuxer, "Clicked button %d", best );
2786                     vlc_mutex_unlock( &p_ev->lock );
2787                     vlc_mutex_lock( &p_sys->lock_demuxer );
2788
2789                     // process the button action
2790                     p_sys->dvd_interpretor.SetSPRM( 0x88, best );
2791                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2792
2793                     msg_Dbg( &p_sys->demuxer, "Processed button %d", best );
2794
2795                     // select new button
2796                     if ( best != i_curr_button )
2797                     {
2798                         vlc_value_t val;
2799
2800                         if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
2801                         {
2802                             vlc_mutex_t *p_mutex = (vlc_mutex_t *) val.p_address;
2803                             uint32_t i_palette;
2804
2805                             if(button_ptr.btn_coln != 0) {
2806                                 i_palette = pci->hli.btn_colit.btn_coli[button_ptr.btn_coln-1][1];
2807                             } else {
2808                                 i_palette = 0;
2809                             }
2810
2811                             for( int i = 0; i < 4; i++ )
2812                             {
2813                                 uint32_t i_yuv = 0xFF;//p_sys->clut[(hl.palette>>(16+i*4))&0x0f];
2814                                 uint8_t i_alpha = (i_palette>>(i*4))&0x0f;
2815                                 i_alpha = i_alpha == 0xf ? 0xff : i_alpha << 4;
2816
2817                                 p_sys->palette[i][0] = (i_yuv >> 16) & 0xff;
2818                                 p_sys->palette[i][1] = (i_yuv >> 0) & 0xff;
2819                                 p_sys->palette[i][2] = (i_yuv >> 8) & 0xff;
2820                                 p_sys->palette[i][3] = i_alpha;
2821                             }
2822
2823                             vlc_mutex_lock( p_mutex );
2824                             val.i_int = button_ptr.x_start; var_Set( p_sys->p_input, "x-start", val );
2825                             val.i_int = button_ptr.x_end;   var_Set( p_sys->p_input, "x-end",   val );
2826                             val.i_int = button_ptr.y_start; var_Set( p_sys->p_input, "y-start", val );
2827                             val.i_int = button_ptr.y_end;   var_Set( p_sys->p_input, "y-end",   val );
2828
2829                             val.p_address = (void *)p_sys->palette;
2830                             var_Set( p_sys->p_input, "menu-palette", val );
2831
2832                             val.b_bool = VLC_TRUE; var_Set( p_sys->p_input, "highlight", val );
2833                             vlc_mutex_unlock( p_mutex );
2834                         }
2835                     }
2836                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2837                     vlc_mutex_lock( &p_ev->lock );
2838                 }
2839             }
2840             else if( p_ev->b_moved )
2841             {
2842 //                dvdnav_mouse_select( NULL, pci, valx.i_int, valy.i_int );
2843             }
2844
2845             p_ev->b_moved = VLC_FALSE;
2846             p_ev->b_clicked = VLC_FALSE;
2847             vlc_mutex_unlock( &p_ev->lock );
2848         }
2849
2850         /* VOUT part */
2851         if( p_vout && p_vout->b_die )
2852         {
2853             var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2854             var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2855             vlc_object_release( p_vout );
2856             p_vout = NULL;
2857         }
2858
2859         else if( p_vout == NULL )
2860         {
2861             p_vout = (vlc_object_t*) vlc_object_find( p_sys->p_input, VLC_OBJECT_VOUT,
2862                                       FIND_CHILD );
2863             if( p_vout)
2864             {
2865                 var_AddCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2866                 var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2867             }
2868         }
2869
2870         /* Wait a bit, 10ms */
2871         msleep( 10000 );
2872     }
2873
2874     /* Release callback */
2875     if( p_vout )
2876     {
2877         var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2878         var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2879         vlc_object_release( p_vout );
2880     }
2881     var_DelCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2882
2883     vlc_mutex_destroy( &p_ev->lock );
2884
2885     return VLC_SUCCESS;
2886 }
2887
2888 void matroska_segment_c::UnSelect( )
2889 {
2890     size_t i_track;
2891
2892     for( i_track = 0; i_track < tracks.size(); i_track++ )
2893     {
2894         if ( tracks[i_track]->p_es != NULL )
2895         {
2896 //            es_format_Clean( &tracks[i_track]->fmt );
2897             es_out_Del( sys.demuxer.out, tracks[i_track]->p_es );
2898             tracks[i_track]->p_es = NULL;
2899         }
2900     }
2901     delete ep;
2902     ep = NULL;
2903 }
2904
2905 void virtual_segment_c::PrepareChapters( )
2906 {
2907     if ( linked_segments.size() == 0 )
2908         return;
2909
2910     // !!! should be called only once !!!
2911     matroska_segment_c *p_segment;
2912     size_t i, j;
2913
2914     // copy editions from the first segment
2915     p_segment = linked_segments[0];
2916     p_editions = &p_segment->stored_editions;
2917
2918     for ( i=1 ; i<linked_segments.size(); i++ )
2919     {
2920         p_segment = linked_segments[i];
2921         // FIXME assume we have the same editions in all segments
2922         for (j=0; j<p_segment->stored_editions.size(); j++)
2923             (*p_editions)[j]->Append( *p_segment->stored_editions[j] );
2924     }
2925 }
2926
2927 std::string chapter_edition_c::GetMainName() const
2928 {
2929     if ( sub_chapters.size() )
2930     {
2931         return sub_chapters[0]->GetCodecName( true );
2932     }
2933     return "";
2934 }
2935
2936 int chapter_item_c::PublishChapters( input_title_t & title, int & i_user_chapters, int i_level )
2937 {
2938     // add support for meta-elements from codec like DVD Titles
2939     if ( !b_display_seekpoint || psz_name == "" )
2940     {
2941         psz_name = GetCodecName();
2942         if ( psz_name != "" )
2943             b_display_seekpoint = true;
2944     }
2945
2946     if (b_display_seekpoint)
2947     {
2948         seekpoint_t *sk = vlc_seekpoint_New();
2949
2950         sk->i_level = i_level;
2951         sk->i_time_offset = i_start_time;
2952         sk->psz_name = strdup( psz_name.c_str() );
2953
2954         // A start time of '0' is ok. A missing ChapterTime element is ok, too, because '0' is its default value.
2955         title.i_seekpoint++;
2956         title.seekpoint = (seekpoint_t**)realloc( title.seekpoint, title.i_seekpoint * sizeof( seekpoint_t* ) );
2957         title.seekpoint[title.i_seekpoint-1] = sk;
2958
2959         if ( b_user_display )
2960             i_user_chapters++;
2961     }
2962
2963     for ( size_t i=0; i<sub_chapters.size() ; i++)
2964     {
2965         sub_chapters[i]->PublishChapters( title, i_user_chapters, i_level+1 );
2966     }
2967
2968     i_seekpoint_num = i_user_chapters;
2969
2970     return i_user_chapters;
2971 }
2972
2973 bool virtual_segment_c::UpdateCurrentToChapter( demux_t & demux )
2974 {
2975     demux_sys_t & sys = *demux.p_sys;
2976     chapter_item_c *psz_curr_chapter;
2977     bool b_has_seeked = false;
2978
2979     /* update current chapter/seekpoint */
2980     if ( p_editions->size() )
2981     {
2982         /* 1st, we need to know in which chapter we are */
2983         psz_curr_chapter = (*p_editions)[i_current_edition]->FindTimecode( sys.i_pts, psz_current_chapter );
2984
2985         /* we have moved to a new chapter */
2986         if (psz_curr_chapter != NULL && psz_current_chapter != psz_curr_chapter)
2987         {
2988             if ( (*p_editions)[i_current_edition]->b_ordered )
2989             {
2990                 // Leave/Enter up to the link point
2991                 b_has_seeked = psz_curr_chapter->EnterAndLeave( psz_current_chapter );
2992                 if ( !b_has_seeked )
2993                 {
2994                     // only physically seek if necessary
2995                     if ( psz_current_chapter == NULL || (psz_current_chapter->i_end_time != psz_curr_chapter->i_start_time) )
2996                         Seek( demux, sys.i_pts, 0, psz_curr_chapter );
2997                 }
2998             }
2999
3000             if ( !b_has_seeked )
3001             {
3002                 psz_current_chapter = psz_curr_chapter;
3003                 if ( psz_curr_chapter->i_seekpoint_num > 0 )
3004                 {
3005                     demux.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
3006                     demux.info.i_title = sys.i_current_title = i_sys_title;
3007                     demux.info.i_seekpoint = psz_curr_chapter->i_seekpoint_num - 1;
3008                 }
3009             }
3010
3011             return true;
3012         }
3013         else if (psz_curr_chapter == NULL)
3014         {
3015             // out of the scope of the data described by chapters, leave the edition
3016             if ( (*p_editions)[i_current_edition]->b_ordered && psz_current_chapter != NULL )
3017             {
3018                 if ( !(*p_editions)[i_current_edition]->EnterAndLeave( psz_current_chapter, false ) )
3019                     psz_current_chapter = NULL;
3020                 else
3021                     return true;
3022             }
3023         }
3024     }
3025     return false;
3026 }
3027
3028 chapter_item_c *virtual_segment_c::BrowseCodecPrivate( unsigned int codec_id,
3029                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
3030                                     const void *p_cookie,
3031                                     size_t i_cookie_size )
3032 {
3033     // FIXME don't assume it is the first edition
3034     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
3035     if ( index != p_editions->end() )
3036     {
3037         chapter_item_c *p_result = (*index)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
3038         if ( p_result != NULL )
3039             return p_result;
3040     }
3041     return NULL;
3042 }
3043
3044 chapter_item_c *virtual_segment_c::FindChapter( int64_t i_find_uid )
3045 {
3046     // FIXME don't assume it is the first edition
3047     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
3048     if ( index != p_editions->end() )
3049     {
3050         chapter_item_c *p_result = (*index)->FindChapter( i_find_uid );
3051         if ( p_result != NULL )
3052             return p_result;
3053     }
3054     return NULL;
3055 }
3056
3057 chapter_item_c *chapter_item_c::BrowseCodecPrivate( unsigned int codec_id,
3058                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
3059                                     const void *p_cookie,
3060                                     size_t i_cookie_size )
3061 {
3062     // this chapter
3063     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
3064     while ( index != codecs.end() )
3065     {
3066         if ( match( **index ,p_cookie, i_cookie_size ) )
3067             return this;
3068         index++;
3069     }
3070
3071     // sub-chapters
3072     chapter_item_c *p_result = NULL;
3073     std::vector<chapter_item_c*>::const_iterator index2 = sub_chapters.begin();
3074     while ( index2 != sub_chapters.end() )
3075     {
3076         p_result = (*index2)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
3077         if ( p_result != NULL )
3078             return p_result;
3079         index2++;
3080     }
3081
3082     return p_result;
3083 }
3084
3085 void chapter_item_c::Append( const chapter_item_c & chapter )
3086 {
3087     // we are appending content for the same chapter UID
3088     size_t i;
3089     chapter_item_c *p_chapter;
3090
3091     for ( i=0; i<chapter.sub_chapters.size(); i++ )
3092     {
3093         p_chapter = FindChapter( chapter.sub_chapters[i]->i_uid );
3094         if ( p_chapter != NULL )
3095         {
3096             p_chapter->Append( *chapter.sub_chapters[i] );
3097         }
3098         else
3099         {
3100             sub_chapters.push_back( chapter.sub_chapters[i] );
3101         }
3102     }
3103
3104     i_user_start_time = min( i_user_start_time, chapter.i_user_start_time );
3105     i_user_end_time = max( i_user_end_time, chapter.i_user_end_time );
3106 }
3107
3108 chapter_item_c * chapter_item_c::FindChapter( int64_t i_find_uid )
3109 {
3110     size_t i;
3111     chapter_item_c *p_result = NULL;
3112
3113     if ( i_uid == i_find_uid )
3114         return this;
3115
3116     for ( i=0; i<sub_chapters.size(); i++)
3117     {
3118         p_result = sub_chapters[i]->FindChapter( i_find_uid );
3119         if ( p_result != NULL )
3120             break;
3121     }
3122     return p_result;
3123 }
3124
3125 std::string chapter_item_c::GetCodecName( bool f_for_title ) const
3126 {
3127     std::string result;
3128
3129     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
3130     while ( index != codecs.end() )
3131     {
3132         result = (*index)->GetCodecName( f_for_title );
3133         if ( result != "" )
3134             break;
3135         index++;
3136     }
3137
3138     return result;
3139 }
3140
3141 std::string dvd_chapter_codec_c::GetCodecName( bool f_for_title ) const
3142 {
3143     std::string result;
3144     if ( p_private_data->GetSize() >= 3)
3145     {
3146         const binary* p_data = p_private_data->GetBuffer();
3147 /*        if ( p_data[0] == MATROSKA_DVD_LEVEL_TT )
3148         {
3149             uint16_t i_title = (p_data[1] << 8) + p_data[2];
3150             char psz_str[11];
3151             sprintf( psz_str, " %d  ---", i_title );
3152             result = N_("---  DVD Title");
3153             result += psz_str;
3154         }
3155         else */ if ( p_data[0] == MATROSKA_DVD_LEVEL_LU )
3156         {
3157             char psz_str[11];
3158             sprintf( psz_str, " (%c%c)  ---", p_data[1], p_data[2] );
3159             result = N_("---  DVD Menu");
3160             result += psz_str;
3161         }
3162         else if ( p_data[0] == MATROSKA_DVD_LEVEL_SS && f_for_title )
3163         {
3164             if ( p_data[1] == 0x00 )
3165                 result = N_("First Played");
3166             else if ( p_data[1] == 0xC0 )
3167                 result = N_("Video Manager");
3168             else if ( p_data[1] == 0x80 )
3169             {
3170                 uint16_t i_title = (p_data[2] << 8) + p_data[3];
3171                 char psz_str[20];
3172                 sprintf( psz_str, " %d -----", i_title );
3173                 result = N_("----- Title");
3174                 result += psz_str;
3175             }
3176         }
3177     }
3178
3179     return result;
3180 }
3181
3182 int16 chapter_item_c::GetTitleNumber( ) const
3183 {
3184     int result = -1;
3185
3186     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
3187     while ( index != codecs.end() )
3188     {
3189         result = (*index)->GetTitleNumber( );
3190         if ( result >= 0 )
3191             break;
3192         index++;
3193     }
3194
3195     return result;
3196 }
3197
3198 int16 dvd_chapter_codec_c::GetTitleNumber()
3199 {
3200     if ( p_private_data->GetSize() >= 3)
3201     {
3202         const binary* p_data = p_private_data->GetBuffer();
3203         if ( p_data[0] == MATROSKA_DVD_LEVEL_SS )
3204         {
3205             return int16( (p_data[2] << 8) + p_data[3] );
3206         }
3207     }
3208     return -1;
3209 }
3210
3211 static void Seek( demux_t *p_demux, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter )
3212 {
3213     demux_sys_t        *p_sys = p_demux->p_sys;
3214     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3215     matroska_segment_c *p_segment = p_vsegment->Segment();
3216     mtime_t            i_time_offset = 0;
3217
3218     int         i_index;
3219
3220     msg_Dbg( p_demux, "seek request to "I64Fd" (%f%%)", i_date, f_percent );
3221     if( i_date < 0 && f_percent < 0 )
3222     {
3223         msg_Warn( p_demux, "cannot seek nowhere !" );
3224         return;
3225     }
3226     if( f_percent > 1.0 )
3227     {
3228         msg_Warn( p_demux, "cannot seek so far !" );
3229         return;
3230     }
3231
3232     /* seek without index or without date */
3233     if( f_percent >= 0 && (config_GetInt( p_demux, "mkv-seek-percent" ) || !p_segment->b_cues || i_date < 0 ))
3234     {
3235         if (p_sys->f_duration >= 0)
3236         {
3237             i_date = int64_t( f_percent * p_sys->f_duration * 1000.0 );
3238         }
3239         else
3240         {
3241             int64_t i_pos = int64_t( f_percent * stream_Size( p_demux->s ) );
3242
3243             msg_Dbg( p_demux, "inacurate way of seeking" );
3244             for( i_index = 0; i_index < p_segment->i_index; i_index++ )
3245             {
3246                 if( p_segment->p_indexes[i_index].i_position >= i_pos)
3247                 {
3248                     break;
3249                 }
3250             }
3251             if( i_index == p_segment->i_index )
3252             {
3253                 i_index--;
3254             }
3255
3256             i_date = p_segment->p_indexes[i_index].i_time;
3257
3258 #if 0
3259             if( p_segment->p_indexes[i_index].i_position < i_pos )
3260             {
3261                 EbmlElement *el;
3262
3263                 msg_Warn( p_demux, "searching for cluster, could take some time" );
3264
3265                 /* search a cluster */
3266                 while( ( el = p_sys->ep->Get() ) != NULL )
3267                 {
3268                     if( MKV_IS_ID( el, KaxCluster ) )
3269                     {
3270                         KaxCluster *cluster = (KaxCluster*)el;
3271
3272                         /* add it to the index */
3273                         p_segment->IndexAppendCluster( cluster );
3274
3275                         if( (int64_t)cluster->GetElementPosition() >= i_pos )
3276                         {
3277                             p_sys->cluster = cluster;
3278                             p_sys->ep->Down();
3279                             break;
3280                         }
3281                     }
3282                 }
3283             }
3284 #endif
3285         }
3286     }
3287
3288     p_vsegment->Seek( *p_demux, i_date, i_time_offset, psz_chapter );
3289 }
3290
3291 /*****************************************************************************
3292  * Demux: reads and demuxes data packets
3293  *****************************************************************************
3294  * Returns -1 in case of error, 0 in case of EOF, 1 otherwise
3295  *****************************************************************************/
3296 static int Demux( demux_t *p_demux)
3297 {
3298     demux_sys_t        *p_sys = p_demux->p_sys;
3299
3300     vlc_mutex_lock( &p_sys->lock_demuxer );
3301
3302     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3303     matroska_segment_c *p_segment = p_vsegment->Segment();
3304     if ( p_segment == NULL ) return 0;
3305     int                i_block_count = 0;
3306     int                i_return = 0;
3307
3308     for( ;; )
3309     {
3310         if ( p_sys->demuxer.b_die )
3311             break;
3312
3313         if( p_sys->i_pts >= p_sys->i_start_pts  )
3314             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3315             {
3316                 i_return = 1;
3317                 break;
3318             }
3319
3320         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3321         {
3322             /* nothing left to read in this ordered edition */
3323             if ( !p_vsegment->SelectNext() )
3324                 break;
3325             p_segment->UnSelect( );
3326
3327             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3328
3329             /* switch to the next segment */
3330             p_segment = p_vsegment->Segment();
3331             if ( !p_segment->Select( 0 ) )
3332             {
3333                 msg_Err( p_demux, "Failed to select new segment" );
3334                 break;
3335             }
3336             continue;
3337         }
3338
3339         KaxBlock *block;
3340         int64_t i_block_duration = 0;
3341         int64_t i_block_ref1;
3342         int64_t i_block_ref2;
3343
3344 #if LIBMATROSKA_VERSION >= 0x000800
3345         KaxSimpleBlock *simpleblock;
3346
3347         if( p_segment->BlockGet( block, simpleblock, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
3348 #else
3349         if( p_segment->BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
3350 #endif
3351         {
3352             if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered )
3353             {
3354                 const chapter_item_c *p_chap = p_vsegment->CurrentChapter();
3355                 // check if there are more chapters to read
3356                 if ( p_chap != NULL )
3357                 {
3358                     /* TODO handle successive chapters with the same user_start_time/user_end_time
3359                     if ( p_chap->i_user_start_time == p_chap->i_user_start_time )
3360                         p_vsegment->SelectNext();
3361                     */
3362                     p_sys->i_pts = p_chap->i_user_end_time;
3363                     p_sys->i_pts++; // trick to avoid staying on segments with no duration and no content
3364
3365                     i_return = 1;
3366                 }
3367
3368                 break;
3369             }
3370             else
3371             {
3372                 msg_Warn( p_demux, "cannot get block EOF?" );
3373                 p_segment->UnSelect( );
3374
3375                 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3376
3377                 /* switch to the next segment */
3378                 if ( !p_vsegment->SelectNext() )
3379                     // no more segments in this stream
3380                     break;
3381                 p_segment = p_vsegment->Segment();
3382                 if ( !p_segment->Select( 0 ) )
3383                 {
3384                     msg_Err( p_demux, "Failed to select new segment" );
3385                     break;
3386                 }
3387
3388                 continue;
3389             }
3390         }
3391
3392 #if LIBMATROSKA_VERSION >= 0x000800
3393         if ( simpleblock != NULL )
3394             p_sys->i_pts = (p_sys->i_chapter_time + simpleblock->GlobalTimecode()) / (mtime_t) 1000;
3395         else
3396 #endif
3397         p_sys->i_pts = (p_sys->i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
3398
3399         if( p_sys->i_pts >= p_sys->i_start_pts  )
3400         {
3401             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pts );
3402
3403             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3404             {
3405                 i_return = 1;
3406                 delete block;
3407                 break;
3408             }
3409         }
3410
3411         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3412         {
3413             /* nothing left to read in this ordered edition */
3414             if ( !p_vsegment->SelectNext() )
3415             {
3416                 delete block;
3417                 break;
3418             }
3419             p_segment->UnSelect( );
3420
3421             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3422
3423             /* switch to the next segment */
3424             p_segment = p_vsegment->Segment();
3425             if ( !p_segment->Select( 0 ) )
3426             {
3427                 msg_Err( p_demux, "Failed to select new segment" );
3428                 delete block;
3429                 break;
3430             }
3431             delete block;
3432             continue;
3433         }
3434
3435 #if LIBMATROSKA_VERSION >= 0x000800
3436         BlockDecode( p_demux, block, simpleblock, p_sys->i_pts, i_block_duration, i_block_ref1 >= 0 || i_block_ref2 > 0 );
3437 #else
3438         BlockDecode( p_demux, block, p_sys->i_pts, i_block_duration, i_block_ref1 >= 0 || i_block_ref2 > 0 );
3439 #endif
3440
3441         delete block;
3442         i_block_count++;
3443
3444         // TODO optimize when there is need to leave or when seeking has been called
3445         if( i_block_count > 5 )
3446         {
3447             i_return = 1;
3448             break;
3449         }
3450     }
3451
3452     vlc_mutex_unlock( &p_sys->lock_demuxer );
3453
3454     return i_return;
3455 }
3456
3457
3458
3459 /*****************************************************************************
3460  * Stream managment
3461  *****************************************************************************/
3462 vlc_stream_io_callback::vlc_stream_io_callback( stream_t *s_, vlc_bool_t b_owner_ )
3463 {
3464     s = s_;
3465     b_owner = b_owner_;
3466     mb_eof = VLC_FALSE;
3467 }
3468
3469 uint32 vlc_stream_io_callback::read( void *p_buffer, size_t i_size )
3470 {
3471     if( i_size <= 0 || mb_eof )
3472     {
3473         return 0;
3474     }
3475
3476     return stream_Read( s, p_buffer, i_size );
3477 }
3478 void vlc_stream_io_callback::setFilePointer(int64_t i_offset, seek_mode mode )
3479 {
3480     int64_t i_pos;
3481
3482     switch( mode )
3483     {
3484         case seek_beginning:
3485             i_pos = i_offset;
3486             break;
3487         case seek_end:
3488             i_pos = stream_Size( s ) - i_offset;
3489             break;
3490         default:
3491             i_pos= stream_Tell( s ) + i_offset;
3492             break;
3493     }
3494
3495     if( i_pos < 0 || i_pos >= stream_Size( s ) )
3496     {
3497         mb_eof = VLC_TRUE;
3498         return;
3499     }
3500
3501     mb_eof = VLC_FALSE;
3502     if( stream_Seek( s, i_pos ) )
3503     {
3504         mb_eof = VLC_TRUE;
3505     }
3506     return;
3507 }
3508 size_t vlc_stream_io_callback::write( const void *p_buffer, size_t i_size )
3509 {
3510     return 0;
3511 }
3512 uint64 vlc_stream_io_callback::getFilePointer( void )
3513 {
3514     if ( s == NULL )
3515         return 0;
3516     return stream_Tell( s );
3517 }
3518 void vlc_stream_io_callback::close( void )
3519 {
3520     return;
3521 }
3522
3523
3524 /*****************************************************************************
3525  * Ebml Stream parser
3526  *****************************************************************************/
3527 EbmlParser::EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux )
3528 {
3529     int i;
3530
3531     m_es = es;
3532     m_got = NULL;
3533     m_el[0] = el_start;
3534     mi_remain_size[0] = el_start->GetSize();
3535
3536     for( i = 1; i < 6; i++ )
3537     {
3538         m_el[i] = NULL;
3539     }
3540     mi_level = 1;
3541     mi_user_level = 1;
3542     mb_keep = VLC_FALSE;
3543     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3544 }
3545
3546 EbmlParser::~EbmlParser( void )
3547 {
3548     int i;
3549
3550     for( i = 1; i < mi_level; i++ )
3551     {
3552         if( !mb_keep )
3553         {
3554             delete m_el[i];
3555         }
3556         mb_keep = VLC_FALSE;
3557     }
3558 }
3559
3560 EbmlElement* EbmlParser::UnGet( uint64 i_block_pos, uint64 i_cluster_pos )
3561 {
3562     if ( mi_user_level > mi_level )
3563     {
3564         while ( mi_user_level != mi_level )
3565         {
3566             delete m_el[mi_user_level];
3567             m_el[mi_user_level] = NULL;
3568             mi_user_level--;
3569         }
3570     }
3571     m_got = NULL;
3572     mb_keep = VLC_FALSE;
3573     if ( m_el[1]->GetElementPosition() == i_cluster_pos )
3574     {
3575         m_es->I_O().setFilePointer( i_block_pos, seek_beginning );
3576         return (EbmlMaster*) m_el[1];
3577     }
3578     else
3579     {
3580         // seek to the previous Cluster
3581         m_es->I_O().setFilePointer( i_cluster_pos, seek_beginning );
3582         mi_level--;
3583         mi_user_level--;
3584         delete m_el[mi_level];
3585         m_el[mi_level] = NULL;
3586         return NULL;
3587     }
3588 }
3589
3590 void EbmlParser::Up( void )
3591 {
3592     if( mi_user_level == mi_level )
3593     {
3594         fprintf( stderr," arrrrrrrrrrrrrg Up cannot escape itself\n" );
3595     }
3596
3597     mi_user_level--;
3598 }
3599
3600 void EbmlParser::Down( void )
3601 {
3602     mi_user_level++;
3603     mi_level++;
3604 }
3605
3606 void EbmlParser::Keep( void )
3607 {
3608     mb_keep = VLC_TRUE;
3609 }
3610
3611 int EbmlParser::GetLevel( void )
3612 {
3613     return mi_user_level;
3614 }
3615
3616 void EbmlParser::Reset( demux_t *p_demux )
3617 {
3618     while ( mi_level > 0)
3619     {
3620         delete m_el[mi_level];
3621         m_el[mi_level] = NULL;
3622         mi_level--;
3623     }
3624     mi_user_level = mi_level = 1;
3625 #if LIBEBML_VERSION >= 0x000704
3626     // a little faster and cleaner
3627     m_es->I_O().setFilePointer( static_cast<KaxSegment*>(m_el[0])->GetGlobalPosition(0) );
3628 #else
3629     m_es->I_O().setFilePointer( m_el[0]->GetElementPosition() + m_el[0]->ElementSize(true) - m_el[0]->GetSize() );
3630 #endif
3631     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3632 }
3633
3634 EbmlElement *EbmlParser::Get( void )
3635 {
3636     int i_ulev = 0;
3637
3638     if( mi_user_level != mi_level )
3639     {
3640         return NULL;
3641     }
3642     if( m_got )
3643     {
3644         EbmlElement *ret = m_got;
3645         m_got = NULL;
3646
3647         return ret;
3648     }
3649
3650     if( m_el[mi_level] )
3651     {
3652         m_el[mi_level]->SkipData( *m_es, m_el[mi_level]->Generic().Context );
3653         if( !mb_keep )
3654         {
3655             delete m_el[mi_level];
3656         }
3657         mb_keep = VLC_FALSE;
3658     }
3659
3660     m_el[mi_level] = m_es->FindNextElement( m_el[mi_level - 1]->Generic().Context, i_ulev, 0xFFFFFFFFL, mb_dummy != 0, 1 );
3661 //    mi_remain_size[mi_level] = m_el[mi_level]->GetSize();
3662     if( i_ulev > 0 )
3663     {
3664         while( i_ulev > 0 )
3665         {
3666             if( mi_level == 1 )
3667             {
3668                 mi_level = 0;
3669                 return NULL;
3670             }
3671
3672             delete m_el[mi_level - 1];
3673             m_got = m_el[mi_level -1] = m_el[mi_level];
3674             m_el[mi_level] = NULL;
3675
3676             mi_level--;
3677             i_ulev--;
3678         }
3679         return NULL;
3680     }
3681     else if( m_el[mi_level] == NULL )
3682     {
3683         fprintf( stderr," m_el[mi_level] == NULL\n" );
3684     }
3685
3686     return m_el[mi_level];
3687 }
3688
3689
3690 /*****************************************************************************
3691  * Tools
3692  *  * LoadCues : load the cues element and update index
3693  *
3694  *  * LoadTags : load ... the tags element
3695  *
3696  *  * InformationCreate : create all information, load tags if present
3697  *
3698  *****************************************************************************/
3699 void matroska_segment_c::LoadCues( )
3700 {
3701     int64_t     i_sav_position = es.I_O().getFilePointer();
3702     EbmlParser  *ep;
3703     EbmlElement *el, *cues;
3704
3705     /* *** Load the cue if found *** */
3706     if( i_cues_position < 0 )
3707     {
3708         msg_Warn( &sys.demuxer, "no cues/empty cues found->seek won't be precise" );
3709
3710 //        IndexAppendCluster( cluster );
3711     }
3712
3713     vlc_bool_t b_seekable;
3714
3715     stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
3716     if( !b_seekable )
3717         return;
3718
3719     msg_Dbg( &sys.demuxer, "loading cues" );
3720     es.I_O().setFilePointer( i_cues_position, seek_beginning );
3721     cues = es.FindNextID( KaxCues::ClassInfos, 0xFFFFFFFFL);
3722
3723     if( cues == NULL )
3724     {
3725         msg_Err( &sys.demuxer, "cannot load cues (broken seekhead or file)" );
3726         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3727         return;
3728     }
3729
3730     ep = new EbmlParser( &es, cues, &sys.demuxer );
3731     while( ( el = ep->Get() ) != NULL )
3732     {
3733         if( MKV_IS_ID( el, KaxCuePoint ) )
3734         {
3735 #define idx p_indexes[i_index]
3736
3737             idx.i_track       = -1;
3738             idx.i_block_number= -1;
3739             idx.i_position    = -1;
3740             idx.i_time        = 0;
3741             idx.b_key         = VLC_TRUE;
3742
3743             ep->Down();
3744             while( ( el = ep->Get() ) != NULL )
3745             {
3746                 if( MKV_IS_ID( el, KaxCueTime ) )
3747                 {
3748                     KaxCueTime &ctime = *(KaxCueTime*)el;
3749
3750                     ctime.ReadData( es.I_O() );
3751
3752                     idx.i_time = uint64( ctime ) * i_timescale / (mtime_t)1000;
3753                 }
3754                 else if( MKV_IS_ID( el, KaxCueTrackPositions ) )
3755                 {
3756                     ep->Down();
3757                     while( ( el = ep->Get() ) != NULL )
3758                     {
3759                         if( MKV_IS_ID( el, KaxCueTrack ) )
3760                         {
3761                             KaxCueTrack &ctrack = *(KaxCueTrack*)el;
3762
3763                             ctrack.ReadData( es.I_O() );
3764                             idx.i_track = uint16( ctrack );
3765                         }
3766                         else if( MKV_IS_ID( el, KaxCueClusterPosition ) )
3767                         {
3768                             KaxCueClusterPosition &ccpos = *(KaxCueClusterPosition*)el;
3769
3770                             ccpos.ReadData( es.I_O() );
3771                             idx.i_position = segment->GetGlobalPosition( uint64( ccpos ) );
3772                         }
3773                         else if( MKV_IS_ID( el, KaxCueBlockNumber ) )
3774                         {
3775                             KaxCueBlockNumber &cbnum = *(KaxCueBlockNumber*)el;
3776
3777                             cbnum.ReadData( es.I_O() );
3778                             idx.i_block_number = uint32( cbnum );
3779                         }
3780                         else
3781                         {
3782                             msg_Dbg( &sys.demuxer, "         * Unknown (%s)", typeid(*el).name() );
3783                         }
3784                     }
3785                     ep->Up();
3786                 }
3787                 else
3788                 {
3789                     msg_Dbg( &sys.demuxer, "     * Unknown (%s)", typeid(*el).name() );
3790                 }
3791             }
3792             ep->Up();
3793
3794 #if 0
3795             msg_Dbg( &sys.demuxer, " * added time="I64Fd" pos="I64Fd
3796                      " track=%d bnum=%d", idx.i_time, idx.i_position,
3797                      idx.i_track, idx.i_block_number );
3798 #endif
3799
3800             i_index++;
3801             if( i_index >= i_index_max )
3802             {
3803                 i_index_max += 1024;
3804                 p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
3805             }
3806 #undef idx
3807         }
3808         else
3809         {
3810             msg_Dbg( &sys.demuxer, " * Unknown (%s)", typeid(*el).name() );
3811         }
3812     }
3813     delete ep;
3814     delete cues;
3815
3816     b_cues = VLC_TRUE;
3817
3818     msg_Dbg( &sys.demuxer, "loading cues done." );
3819     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3820 }
3821
3822 void matroska_segment_c::LoadTags( )
3823 {
3824     int64_t     i_sav_position = es.I_O().getFilePointer();
3825     EbmlParser  *ep;
3826     EbmlElement *el, *tags;
3827
3828     msg_Dbg( &sys.demuxer, "loading tags" );
3829     es.I_O().setFilePointer( i_tags_position, seek_beginning );
3830     tags = es.FindNextID( KaxTags::ClassInfos, 0xFFFFFFFFL);
3831
3832     if( tags == NULL )
3833     {
3834         msg_Err( &sys.demuxer, "cannot load tags (broken seekhead or file)" );
3835         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3836         return;
3837     }
3838
3839     msg_Dbg( &sys.demuxer, "Tags" );
3840     ep = new EbmlParser( &es, tags, &sys.demuxer );
3841     while( ( el = ep->Get() ) != NULL )
3842     {
3843         if( MKV_IS_ID( el, KaxTag ) )
3844         {
3845             msg_Dbg( &sys.demuxer, "+ Tag" );
3846             ep->Down();
3847             while( ( el = ep->Get() ) != NULL )
3848             {
3849                 if( MKV_IS_ID( el, KaxTagTargets ) )
3850                 {
3851                     msg_Dbg( &sys.demuxer, "|   + Targets" );
3852                     ep->Down();
3853                     while( ( el = ep->Get() ) != NULL )
3854                     {
3855                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3856                     }
3857                     ep->Up();
3858                 }
3859                 else if( MKV_IS_ID( el, KaxTagGeneral ) )
3860                 {
3861                     msg_Dbg( &sys.demuxer, "|   + General" );
3862                     ep->Down();
3863                     while( ( el = ep->Get() ) != NULL )
3864                     {
3865                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3866                     }
3867                     ep->Up();
3868                 }
3869                 else if( MKV_IS_ID( el, KaxTagGenres ) )
3870                 {
3871                     msg_Dbg( &sys.demuxer, "|   + Genres" );
3872                     ep->Down();
3873                     while( ( el = ep->Get() ) != NULL )
3874                     {
3875                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3876                     }
3877                     ep->Up();
3878                 }
3879                 else if( MKV_IS_ID( el, KaxTagAudioSpecific ) )
3880                 {
3881                     msg_Dbg( &sys.demuxer, "|   + Audio Specific" );
3882                     ep->Down();
3883                     while( ( el = ep->Get() ) != NULL )
3884                     {
3885                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3886                     }
3887                     ep->Up();
3888                 }
3889                 else if( MKV_IS_ID( el, KaxTagImageSpecific ) )
3890                 {
3891                     msg_Dbg( &sys.demuxer, "|   + Images Specific" );
3892                     ep->Down();
3893                     while( ( el = ep->Get() ) != NULL )
3894                     {
3895                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3896                     }
3897                     ep->Up();
3898                 }
3899                 else if( MKV_IS_ID( el, KaxTagMultiComment ) )
3900                 {
3901                     msg_Dbg( &sys.demuxer, "|   + Multi Comment" );
3902                 }
3903                 else if( MKV_IS_ID( el, KaxTagMultiCommercial ) )
3904                 {
3905                     msg_Dbg( &sys.demuxer, "|   + Multi Commercial" );
3906                 }
3907                 else if( MKV_IS_ID( el, KaxTagMultiDate ) )
3908                 {
3909                     msg_Dbg( &sys.demuxer, "|   + Multi Date" );
3910                 }
3911                 else if( MKV_IS_ID( el, KaxTagMultiEntity ) )
3912                 {
3913                     msg_Dbg( &sys.demuxer, "|   + Multi Entity" );
3914                 }
3915                 else if( MKV_IS_ID( el, KaxTagMultiIdentifier ) )
3916                 {
3917                     msg_Dbg( &sys.demuxer, "|   + Multi Identifier" );
3918                 }
3919                 else if( MKV_IS_ID( el, KaxTagMultiLegal ) )
3920                 {
3921                     msg_Dbg( &sys.demuxer, "|   + Multi Legal" );
3922                 }
3923                 else if( MKV_IS_ID( el, KaxTagMultiTitle ) )
3924                 {
3925                     msg_Dbg( &sys.demuxer, "|   + Multi Title" );
3926                 }
3927                 else
3928                 {
3929                     msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid( *el ).name() );
3930                 }
3931             }
3932             ep->Up();
3933         }
3934         else
3935         {
3936             msg_Dbg( &sys.demuxer, "+ Unknown (%s)", typeid( *el ).name() );
3937         }
3938     }
3939     delete ep;
3940     delete tags;
3941
3942     msg_Dbg( &sys.demuxer, "loading tags done." );
3943     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3944 }
3945
3946 /*****************************************************************************
3947  * ParseSeekHead:
3948  *****************************************************************************/
3949 void matroska_segment_c::ParseSeekHead( KaxSeekHead *seekhead )
3950 {
3951     EbmlElement *el;
3952     size_t i, j;
3953     int i_upper_level = 0;
3954
3955     msg_Dbg( &sys.demuxer, "|   + Seek head" );
3956
3957     /* Master elements */
3958     seekhead->Read( es, seekhead->Generic().Context, i_upper_level, el, true );
3959
3960     for( i = 0; i < seekhead->ListSize(); i++ )
3961     {
3962         EbmlElement *l = (*seekhead)[i];
3963
3964         if( MKV_IS_ID( l, KaxSeek ) )
3965         {
3966             EbmlMaster *sk = static_cast<EbmlMaster *>(l);
3967             EbmlId id = EbmlVoid::ClassInfos.GlobalId;
3968             int64_t i_pos = -1;
3969
3970             for( j = 0; j < sk->ListSize(); j++ )
3971             {
3972                 EbmlElement *l = (*sk)[j];
3973
3974                 if( MKV_IS_ID( l, KaxSeekID ) )
3975                 {
3976                     KaxSeekID &sid = *(KaxSeekID*)l;
3977                     id = EbmlId( sid.GetBuffer(), sid.GetSize() );
3978                 }
3979                 else if( MKV_IS_ID( l, KaxSeekPosition ) )
3980                 {
3981                     KaxSeekPosition &spos = *(KaxSeekPosition*)l;
3982                     i_pos = uint64( spos );
3983                 }
3984                 else
3985                 {
3986                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
3987                 }
3988             }
3989
3990             if( i_pos >= 0 )
3991             {
3992                 if( id == KaxCues::ClassInfos.GlobalId )
3993                 {
3994                     msg_Dbg( &sys.demuxer, "|   |   |   = cues at "I64Fd, i_pos );
3995                     i_cues_position = segment->GetGlobalPosition( i_pos );
3996                 }
3997                 else if( id == KaxChapters::ClassInfos.GlobalId )
3998                 {
3999                     msg_Dbg( &sys.demuxer, "|   |   |   = chapters at "I64Fd, i_pos );
4000                     i_chapters_position = segment->GetGlobalPosition( i_pos );
4001                 }
4002                 else if( id == KaxTags::ClassInfos.GlobalId )
4003                 {
4004                     msg_Dbg( &sys.demuxer, "|   |   |   = tags at "I64Fd, i_pos );
4005                     i_tags_position = segment->GetGlobalPosition( i_pos );
4006                 }
4007             }
4008         }
4009         else
4010         {
4011             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4012         }
4013     }
4014 }
4015
4016 /*****************************************************************************
4017  * ParseTrackEntry:
4018  *****************************************************************************/
4019 void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
4020 {
4021     size_t i, j, k, n;
4022     bool bSupported = true;
4023
4024     mkv_track_t *tk;
4025
4026     msg_Dbg( &sys.demuxer, "|   |   + Track Entry" );
4027
4028     tk = new mkv_track_t();
4029
4030     /* Init the track */
4031     memset( tk, 0, sizeof( mkv_track_t ) );
4032
4033     es_format_Init( &tk->fmt, UNKNOWN_ES, 0 );
4034     tk->fmt.psz_language = strdup("English");
4035     tk->fmt.psz_description = NULL;
4036
4037     tk->b_default = VLC_TRUE;
4038     tk->b_enabled = VLC_TRUE;
4039     tk->b_silent = VLC_FALSE;
4040     tk->i_number = tracks.size() - 1;
4041     tk->i_extra_data = 0;
4042     tk->p_extra_data = NULL;
4043     tk->psz_codec = NULL;
4044     tk->i_default_duration = 0;
4045     tk->f_timecodescale = 1.0;
4046
4047     tk->b_inited = VLC_FALSE;
4048     tk->i_data_init = 0;
4049     tk->p_data_init = NULL;
4050
4051     tk->psz_codec_name = NULL;
4052     tk->psz_codec_settings = NULL;
4053     tk->psz_codec_info_url = NULL;
4054     tk->psz_codec_download_url = NULL;
4055
4056     tk->i_compression_type = MATROSKA_COMPRESSION_NONE;
4057     tk->p_compression_data = NULL;
4058
4059     for( i = 0; i < m->ListSize(); i++ )
4060     {
4061         EbmlElement *l = (*m)[i];
4062
4063         if( MKV_IS_ID( l, KaxTrackNumber ) )
4064         {
4065             KaxTrackNumber &tnum = *(KaxTrackNumber*)l;
4066
4067             tk->i_number = uint32( tnum );
4068             msg_Dbg( &sys.demuxer, "|   |   |   + Track Number=%u", uint32( tnum ) );
4069         }
4070         else  if( MKV_IS_ID( l, KaxTrackUID ) )
4071         {
4072             KaxTrackUID &tuid = *(KaxTrackUID*)l;
4073
4074             msg_Dbg( &sys.demuxer, "|   |   |   + Track UID=%u",  uint32( tuid ) );
4075         }
4076         else  if( MKV_IS_ID( l, KaxTrackType ) )
4077         {
4078             char *psz_type;
4079             KaxTrackType &ttype = *(KaxTrackType*)l;
4080
4081             switch( uint8(ttype) )
4082             {
4083                 case track_audio:
4084                     psz_type = "audio";
4085                     tk->fmt.i_cat = AUDIO_ES;
4086                     break;
4087                 case track_video:
4088                     psz_type = "video";
4089                     tk->fmt.i_cat = VIDEO_ES;
4090                     break;
4091                 case track_subtitle:
4092                     psz_type = "subtitle";
4093                     tk->fmt.i_cat = SPU_ES;
4094                     break;
4095                 case track_buttons:
4096                     psz_type = "buttons";
4097                     tk->fmt.i_cat = SPU_ES;
4098                     break;
4099                 default:
4100                     psz_type = "unknown";
4101                     tk->fmt.i_cat = UNKNOWN_ES;
4102                     break;
4103             }
4104
4105             msg_Dbg( &sys.demuxer, "|   |   |   + Track Type=%s", psz_type );
4106         }
4107 //        else  if( EbmlId( *l ) == KaxTrackFlagEnabled::ClassInfos.GlobalId )
4108 //        {
4109 //            KaxTrackFlagEnabled &fenb = *(KaxTrackFlagEnabled*)l;
4110
4111 //            tk->b_enabled = uint32( fenb );
4112 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Enabled=%u",
4113 //                     uint32( fenb )  );
4114 //        }
4115         else  if( MKV_IS_ID( l, KaxTrackFlagDefault ) )
4116         {
4117             KaxTrackFlagDefault &fdef = *(KaxTrackFlagDefault*)l;
4118
4119             tk->b_default = uint32( fdef );
4120             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default=%u", uint32( fdef )  );
4121         }
4122         else  if( MKV_IS_ID( l, KaxTrackFlagLacing ) )
4123         {
4124             KaxTrackFlagLacing &lac = *(KaxTrackFlagLacing*)l;
4125
4126             msg_Dbg( &sys.demuxer, "|   |   |   + Track Lacing=%d", uint32( lac ) );
4127         }
4128         else  if( MKV_IS_ID( l, KaxTrackMinCache ) )
4129         {
4130             KaxTrackMinCache &cmin = *(KaxTrackMinCache*)l;
4131
4132             msg_Dbg( &sys.demuxer, "|   |   |   + Track MinCache=%d", uint32( cmin ) );
4133         }
4134         else  if( MKV_IS_ID( l, KaxTrackMaxCache ) )
4135         {
4136             KaxTrackMaxCache &cmax = *(KaxTrackMaxCache*)l;
4137
4138             msg_Dbg( &sys.demuxer, "|   |   |   + Track MaxCache=%d", uint32( cmax ) );
4139         }
4140         else  if( MKV_IS_ID( l, KaxTrackDefaultDuration ) )
4141         {
4142             KaxTrackDefaultDuration &defd = *(KaxTrackDefaultDuration*)l;
4143
4144             tk->i_default_duration = uint64(defd);
4145             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default Duration="I64Fd, uint64(defd) );
4146         }
4147         else  if( MKV_IS_ID( l, KaxTrackTimecodeScale ) )
4148         {
4149             KaxTrackTimecodeScale &ttcs = *(KaxTrackTimecodeScale*)l;
4150
4151             tk->f_timecodescale = float( ttcs );
4152             msg_Dbg( &sys.demuxer, "|   |   |   + Track TimeCodeScale=%f", tk->f_timecodescale );
4153         }
4154         else if( MKV_IS_ID( l, KaxTrackName ) )
4155         {
4156             KaxTrackName &tname = *(KaxTrackName*)l;
4157
4158             tk->fmt.psz_description = ToUTF8( UTFstring( tname ) );
4159             msg_Dbg( &sys.demuxer, "|   |   |   + Track Name=%s", tk->fmt.psz_description );
4160         }
4161         else  if( MKV_IS_ID( l, KaxTrackLanguage ) )
4162         {
4163             KaxTrackLanguage &lang = *(KaxTrackLanguage*)l;
4164
4165             if ( tk->fmt.psz_language != NULL )
4166                 free( tk->fmt.psz_language );
4167             tk->fmt.psz_language = strdup( string( lang ).c_str() );
4168             msg_Dbg( &sys.demuxer,
4169                      "|   |   |   + Track Language=`%s'", tk->fmt.psz_language );
4170         }
4171         else  if( MKV_IS_ID( l, KaxCodecID ) )
4172         {
4173             KaxCodecID &codecid = *(KaxCodecID*)l;
4174
4175             tk->psz_codec = strdup( string( codecid ).c_str() );
4176             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecId=%s", string( codecid ).c_str() );
4177         }
4178         else  if( MKV_IS_ID( l, KaxCodecPrivate ) )
4179         {
4180             KaxCodecPrivate &cpriv = *(KaxCodecPrivate*)l;
4181
4182             tk->i_extra_data = cpriv.GetSize();
4183             if( tk->i_extra_data > 0 )
4184             {
4185                 tk->p_extra_data = (uint8_t*)malloc( tk->i_extra_data );
4186                 memcpy( tk->p_extra_data, cpriv.GetBuffer(), tk->i_extra_data );
4187             }
4188             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecPrivate size="I64Fd, cpriv.GetSize() );
4189         }
4190         else if( MKV_IS_ID( l, KaxCodecName ) )
4191         {
4192             KaxCodecName &cname = *(KaxCodecName*)l;
4193
4194             tk->psz_codec_name = ToUTF8( UTFstring( cname ) );
4195             msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Name=%s", tk->psz_codec_name );
4196         }
4197         else if( MKV_IS_ID( l, KaxContentEncodings ) )
4198         {
4199             EbmlMaster *cencs = static_cast<EbmlMaster*>(l);
4200             MkvTree( sys.demuxer, 3, "Content Encodings" );
4201             if ( cencs->ListSize() > 1 )
4202             {
4203                 msg_Err( &sys.demuxer, "Multiple Compression method not supported" );
4204                 bSupported = false;
4205             }
4206             for( j = 0; j < cencs->ListSize(); j++ )
4207             {
4208                 EbmlElement *l2 = (*cencs)[j];
4209                 if( MKV_IS_ID( l2, KaxContentEncoding ) )
4210                 {
4211                     MkvTree( sys.demuxer, 4, "Content Encoding" );
4212                     EbmlMaster *cenc = static_cast<EbmlMaster*>(l2);
4213                     for( k = 0; k < cenc->ListSize(); k++ )
4214                     {
4215                         EbmlElement *l3 = (*cenc)[k];
4216                         if( MKV_IS_ID( l3, KaxContentEncodingOrder ) )
4217                         {
4218                             KaxContentEncodingOrder &encord = *(KaxContentEncodingOrder*)l3;
4219                             MkvTree( sys.demuxer, 5, "Order: %i", uint32( encord ) );
4220                         }
4221                         else if( MKV_IS_ID( l3, KaxContentEncodingScope ) )
4222                         {
4223                             KaxContentEncodingScope &encscope = *(KaxContentEncodingScope*)l3;
4224                             MkvTree( sys.demuxer, 5, "Scope: %i", uint32( encscope ) );
4225                         }
4226                         else if( MKV_IS_ID( l3, KaxContentEncodingType ) )
4227                         {
4228                             KaxContentEncodingType &enctype = *(KaxContentEncodingType*)l3;
4229                             MkvTree( sys.demuxer, 5, "Type: %i", uint32( enctype ) );
4230                         }
4231                         else if( MKV_IS_ID( l3, KaxContentCompression ) )
4232                         {
4233                             EbmlMaster *compr = static_cast<EbmlMaster*>(l3);
4234                             MkvTree( sys.demuxer, 5, "Content Compression" );
4235                             for( n = 0; n < compr->ListSize(); n++ )
4236                             {
4237                                 EbmlElement *l4 = (*compr)[n];
4238                                 if( MKV_IS_ID( l4, KaxContentCompAlgo ) )
4239                                 {
4240                                     KaxContentCompAlgo &compalg = *(KaxContentCompAlgo*)l4;
4241                                     MkvTree( sys.demuxer, 6, "Compression Algorithm: %i", uint32(compalg) );
4242                                     tk->i_compression_type = uint32( compalg );
4243                                     if ( ( tk->i_compression_type != MATROSKA_COMPRESSION_ZLIB ) &&
4244                                          ( tk->i_compression_type != MATROSKA_COMPRESSION_HEADER ) )
4245                                     {
4246                                         msg_Err( &sys.demuxer, "Track Compression method %d not supported", tk->i_compression_type );
4247                                         bSupported = false;
4248                                     }
4249                                 }
4250                                 else if( MKV_IS_ID( l4, KaxContentCompSettings ) )
4251                                 {
4252                                     tk->p_compression_data = new KaxContentCompSettings( *(KaxContentCompSettings*)l4 );
4253                                 }
4254                                 else
4255                                 {
4256                                     MkvTree( sys.demuxer, 6, "Unknown (%s)", typeid(*l4).name() );
4257                                 }
4258                             }
4259                         }
4260
4261                         else
4262                         {
4263                             MkvTree( sys.demuxer, 5, "Unknown (%s)", typeid(*l3).name() );
4264                         }
4265                     }
4266
4267                 }
4268                 else
4269                 {
4270                     MkvTree( sys.demuxer, 4, "Unknown (%s)", typeid(*l2).name() );
4271                 }
4272             }
4273
4274         }
4275 //        else if( EbmlId( *l ) == KaxCodecSettings::ClassInfos.GlobalId )
4276 //        {
4277 //            KaxCodecSettings &cset = *(KaxCodecSettings*)l;
4278
4279 //            tk->psz_codec_settings = ToUTF8( UTFstring( cset ) );
4280 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Settings=%s", tk->psz_codec_settings );
4281 //        }
4282 //        else if( EbmlId( *l ) == KaxCodecInfoURL::ClassInfos.GlobalId )
4283 //        {
4284 //            KaxCodecInfoURL &ciurl = *(KaxCodecInfoURL*)l;
4285
4286 //            tk->psz_codec_info_url = strdup( string( ciurl ).c_str() );
4287 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_info_url );
4288 //        }
4289 //        else if( EbmlId( *l ) == KaxCodecDownloadURL::ClassInfos.GlobalId )
4290 //        {
4291 //            KaxCodecDownloadURL &cdurl = *(KaxCodecDownloadURL*)l;
4292
4293 //            tk->psz_codec_download_url = strdup( string( cdurl ).c_str() );
4294 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_download_url );
4295 //        }
4296 //        else if( EbmlId( *l ) == KaxCodecDecodeAll::ClassInfos.GlobalId )
4297 //        {
4298 //            KaxCodecDecodeAll &cdall = *(KaxCodecDecodeAll*)l;
4299
4300 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Decode All=%u <== UNUSED", uint8( cdall ) );
4301 //        }
4302 //        else if( EbmlId( *l ) == KaxTrackOverlay::ClassInfos.GlobalId )
4303 //        {
4304 //            KaxTrackOverlay &tovr = *(KaxTrackOverlay*)l;
4305
4306 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Overlay=%u <== UNUSED", uint32( tovr ) );
4307 //        }
4308         else  if( MKV_IS_ID( l, KaxTrackVideo ) )
4309         {
4310             EbmlMaster *tkv = static_cast<EbmlMaster*>(l);
4311             unsigned int j;
4312
4313             msg_Dbg( &sys.demuxer, "|   |   |   + Track Video" );
4314             tk->f_fps = 0.0;
4315
4316             tk->fmt.video.i_frame_rate_base = (unsigned int)(tk->i_default_duration / 1000);
4317             tk->fmt.video.i_frame_rate = 1000000;
4318
4319             for( j = 0; j < tkv->ListSize(); j++ )
4320             {
4321                 EbmlElement *l = (*tkv)[j];
4322 //                if( EbmlId( *el4 ) == KaxVideoFlagInterlaced::ClassInfos.GlobalId )
4323 //                {
4324 //                    KaxVideoFlagInterlaced &fint = *(KaxVideoFlagInterlaced*)el4;
4325
4326 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Interlaced=%u", uint8( fint ) );
4327 //                }
4328 //                else if( EbmlId( *el4 ) == KaxVideoStereoMode::ClassInfos.GlobalId )
4329 //                {
4330 //                    KaxVideoStereoMode &stereo = *(KaxVideoStereoMode*)el4;
4331
4332 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Stereo Mode=%u", uint8( stereo ) );
4333 //                }
4334 //                else
4335                 if( MKV_IS_ID( l, KaxVideoPixelWidth ) )
4336                 {
4337                     KaxVideoPixelWidth &vwidth = *(KaxVideoPixelWidth*)l;
4338
4339                     tk->fmt.video.i_width += uint16( vwidth );
4340                     msg_Dbg( &sys.demuxer, "|   |   |   |   + width=%d", uint16( vwidth ) );
4341                 }
4342                 else if( MKV_IS_ID( l, KaxVideoPixelHeight ) )
4343                 {
4344                     KaxVideoPixelWidth &vheight = *(KaxVideoPixelWidth*)l;
4345
4346                     tk->fmt.video.i_height += uint16( vheight );
4347                     msg_Dbg( &sys.demuxer, "|   |   |   |   + height=%d", uint16( vheight ) );
4348                 }
4349                 else if( MKV_IS_ID( l, KaxVideoDisplayWidth ) )
4350                 {
4351                     KaxVideoDisplayWidth &vwidth = *(KaxVideoDisplayWidth*)l;
4352
4353                     tk->fmt.video.i_visible_width = uint16( vwidth );
4354                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display width=%d", uint16( vwidth ) );
4355                 }
4356                 else if( MKV_IS_ID( l, KaxVideoDisplayHeight ) )
4357                 {
4358                     KaxVideoDisplayWidth &vheight = *(KaxVideoDisplayWidth*)l;
4359
4360                     tk->fmt.video.i_visible_height = uint16( vheight );
4361                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display height=%d", uint16( vheight ) );
4362                 }
4363                 else if( MKV_IS_ID( l, KaxVideoPixelCropBottom ) )
4364                 {
4365                     KaxVideoPixelCropBottom &cropval = *(KaxVideoPixelCropBottom*)l;
4366
4367                     tk->fmt.video.i_height -= uint16( cropval );
4368                     msg_Dbg( &sys.demuxer, "|   |   |   |   + crop pixel bottom=%d", uint16( cropval ) );
4369                 }
4370                 else if( MKV_IS_ID( l, KaxVideoPixelCropTop ) )
4371                 {
4372                     KaxVideoPixelCropTop &cropval = *(KaxVideoPixelCropTop*)l;
4373
4374                     tk->fmt.video.i_height -= uint16( cropval );
4375                     tk->fmt.video.i_y_offset += uint16( cropval );
4376                     msg_Dbg( &sys.demuxer, "|   |   |   |   + crop pixel top=%d", uint16( cropval ) );
4377                 }
4378                 else if( MKV_IS_ID( l, KaxVideoPixelCropRight ) )
4379                 {
4380                     KaxVideoPixelCropRight &cropval = *(KaxVideoPixelCropRight*)l;
4381
4382                     tk->fmt.video.i_width -= uint16( cropval );
4383                     msg_Dbg( &sys.demuxer, "|   |   |   |   + crop pixel right=%d", uint16( cropval ) );
4384                 }
4385                 else if( MKV_IS_ID( l, KaxVideoPixelCropLeft ) )
4386                 {
4387                     KaxVideoPixelCropLeft &cropval = *(KaxVideoPixelCropLeft*)l;
4388
4389                     tk->fmt.video.i_width -= uint16( cropval );
4390                     tk->fmt.video.i_x_offset += uint16( cropval );
4391                     msg_Dbg( &sys.demuxer, "|   |   |   |   + crop pixel left=%d", uint16( cropval ) );
4392                 }
4393                 else if( MKV_IS_ID( l, KaxVideoFrameRate ) )
4394                 {
4395                     KaxVideoFrameRate &vfps = *(KaxVideoFrameRate*)l;
4396
4397                     tk->f_fps = float( vfps );
4398                     msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( vfps ) );
4399                 }
4400 //                else if( EbmlId( *l ) == KaxVideoDisplayUnit::ClassInfos.GlobalId )
4401 //                {
4402 //                     KaxVideoDisplayUnit &vdmode = *(KaxVideoDisplayUnit*)l;
4403
4404 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Display Unit=%s",
4405 //                             uint8( vdmode ) == 0 ? "pixels" : ( uint8( vdmode ) == 1 ? "centimeters": "inches" ) );
4406 //                }
4407 //                else if( EbmlId( *l ) == KaxVideoAspectRatio::ClassInfos.GlobalId )
4408 //                {
4409 //                    KaxVideoAspectRatio &ratio = *(KaxVideoAspectRatio*)l;
4410
4411 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + Track Video Aspect Ratio Type=%u", uint8( ratio ) );
4412 //                }
4413 //                else if( EbmlId( *l ) == KaxVideoGamma::ClassInfos.GlobalId )
4414 //                {
4415 //                    KaxVideoGamma &gamma = *(KaxVideoGamma*)l;
4416
4417 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( gamma ) );
4418 //                }
4419                 else
4420                 {
4421                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4422                 }
4423             }
4424             if ( tk->fmt.video.i_visible_height && tk->fmt.video.i_visible_width )
4425                 tk->fmt.video.i_aspect = VOUT_ASPECT_FACTOR * tk->fmt.video.i_visible_width / tk->fmt.video.i_visible_height;
4426         }
4427         else  if( MKV_IS_ID( l, KaxTrackAudio ) )
4428         {
4429             EbmlMaster *tka = static_cast<EbmlMaster*>(l);
4430             unsigned int j;
4431
4432             msg_Dbg( &sys.demuxer, "|   |   |   + Track Audio" );
4433
4434             for( j = 0; j < tka->ListSize(); j++ )
4435             {
4436                 EbmlElement *l = (*tka)[j];
4437
4438                 if( MKV_IS_ID( l, KaxAudioSamplingFreq ) )
4439                 {
4440                     KaxAudioSamplingFreq &afreq = *(KaxAudioSamplingFreq*)l;
4441
4442                     tk->i_original_rate = tk->fmt.audio.i_rate = (int)float( afreq );
4443                     msg_Dbg( &sys.demuxer, "|   |   |   |   + afreq=%d", tk->fmt.audio.i_rate );
4444                 }
4445                 else if( MKV_IS_ID( l, KaxAudioOutputSamplingFreq ) )
4446                 {
4447                     KaxAudioOutputSamplingFreq &afreq = *(KaxAudioOutputSamplingFreq*)l;
4448
4449                     tk->fmt.audio.i_rate = (int)float( afreq );
4450                     msg_Dbg( &sys.demuxer, "|   |   |   |   + aoutfreq=%d", tk->fmt.audio.i_rate );
4451                 }
4452                 else if( MKV_IS_ID( l, KaxAudioChannels ) )
4453                 {
4454                     KaxAudioChannels &achan = *(KaxAudioChannels*)l;
4455
4456                     tk->fmt.audio.i_channels = uint8( achan );
4457                     msg_Dbg( &sys.demuxer, "|   |   |   |   + achan=%u", uint8( achan ) );
4458                 }
4459                 else if( MKV_IS_ID( l, KaxAudioBitDepth ) )
4460                 {
4461                     KaxAudioBitDepth &abits = *(KaxAudioBitDepth*)l;
4462
4463                     tk->fmt.audio.i_bitspersample = uint8( abits );
4464                     msg_Dbg( &sys.demuxer, "|   |   |   |   + abits=%u", uint8( abits ) );
4465                 }
4466                 else
4467                 {
4468                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4469                 }
4470             }
4471         }
4472         else
4473         {
4474             msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)",
4475                      typeid(*l).name() );
4476         }
4477     }
4478
4479     if ( bSupported )
4480     {
4481         tracks.push_back( tk );
4482     }
4483     else
4484     {
4485         msg_Err( &sys.demuxer, "Track Entry %d not supported", tk->i_number );
4486         delete tk;
4487     }
4488 }
4489
4490 /*****************************************************************************
4491  * ParseTracks:
4492  *****************************************************************************/
4493 void matroska_segment_c::ParseTracks( KaxTracks *tracks )
4494 {
4495     EbmlElement *el;
4496     unsigned int i;
4497     int i_upper_level = 0;
4498
4499     msg_Dbg( &sys.demuxer, "|   + Tracks" );
4500
4501     /* Master elements */
4502     tracks->Read( es, tracks->Generic().Context, i_upper_level, el, true );
4503
4504     for( i = 0; i < tracks->ListSize(); i++ )
4505     {
4506         EbmlElement *l = (*tracks)[i];
4507
4508         if( MKV_IS_ID( l, KaxTrackEntry ) )
4509         {
4510             ParseTrackEntry( static_cast<KaxTrackEntry *>(l) );
4511         }
4512         else
4513         {
4514             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4515         }
4516     }
4517 }
4518
4519 /*****************************************************************************
4520  * ParseInfo:
4521  *****************************************************************************/
4522 void matroska_segment_c::ParseInfo( KaxInfo *info )
4523 {
4524     EbmlElement *el;
4525     EbmlMaster  *m;
4526     size_t i, j;
4527     int i_upper_level = 0;
4528
4529     msg_Dbg( &sys.demuxer, "|   + Information" );
4530
4531     /* Master elements */
4532     m = static_cast<EbmlMaster *>(info);
4533     m->Read( es, info->Generic().Context, i_upper_level, el, true );
4534
4535     for( i = 0; i < m->ListSize(); i++ )
4536     {
4537         EbmlElement *l = (*m)[i];
4538
4539         if( MKV_IS_ID( l, KaxSegmentUID ) )
4540         {
4541             if ( p_segment_uid == NULL )
4542                 p_segment_uid = new KaxSegmentUID(*static_cast<KaxSegmentUID*>(l));
4543
4544             msg_Dbg( &sys.demuxer, "|   |   + UID=%d", *(uint32*)p_segment_uid->GetBuffer() );
4545         }
4546         else if( MKV_IS_ID( l, KaxPrevUID ) )
4547         {
4548             if ( p_prev_segment_uid == NULL )
4549                 p_prev_segment_uid = new KaxPrevUID(*static_cast<KaxPrevUID*>(l));
4550
4551             msg_Dbg( &sys.demuxer, "|   |   + PrevUID=%d", *(uint32*)p_prev_segment_uid->GetBuffer() );
4552         }
4553         else if( MKV_IS_ID( l, KaxNextUID ) )
4554         {
4555             if ( p_next_segment_uid == NULL )
4556                 p_next_segment_uid = new KaxNextUID(*static_cast<KaxNextUID*>(l));
4557
4558             msg_Dbg( &sys.demuxer, "|   |   + NextUID=%d", *(uint32*)p_next_segment_uid->GetBuffer() );
4559         }
4560         else if( MKV_IS_ID( l, KaxTimecodeScale ) )
4561         {
4562             KaxTimecodeScale &tcs = *(KaxTimecodeScale*)l;
4563
4564             i_timescale = uint64(tcs);
4565
4566             msg_Dbg( &sys.demuxer, "|   |   + TimecodeScale="I64Fd,
4567                      i_timescale );
4568         }
4569         else if( MKV_IS_ID( l, KaxDuration ) )
4570         {
4571             KaxDuration &dur = *(KaxDuration*)l;
4572
4573             i_duration = mtime_t( double( dur ) );
4574
4575             msg_Dbg( &sys.demuxer, "|   |   + Duration="I64Fd,
4576                      i_duration );
4577         }
4578         else if( MKV_IS_ID( l, KaxMuxingApp ) )
4579         {
4580             KaxMuxingApp &mapp = *(KaxMuxingApp*)l;
4581
4582             psz_muxing_application = ToUTF8( UTFstring( mapp ) );
4583
4584             msg_Dbg( &sys.demuxer, "|   |   + Muxing Application=%s",
4585                      psz_muxing_application );
4586         }
4587         else if( MKV_IS_ID( l, KaxWritingApp ) )
4588         {
4589             KaxWritingApp &wapp = *(KaxWritingApp*)l;
4590
4591             psz_writing_application = ToUTF8( UTFstring( wapp ) );
4592
4593             msg_Dbg( &sys.demuxer, "|   |   + Writing Application=%s",
4594                      psz_writing_application );
4595         }
4596         else if( MKV_IS_ID( l, KaxSegmentFilename ) )
4597         {
4598             KaxSegmentFilename &sfn = *(KaxSegmentFilename*)l;
4599
4600             psz_segment_filename = ToUTF8( UTFstring( sfn ) );
4601
4602             msg_Dbg( &sys.demuxer, "|   |   + Segment Filename=%s",
4603                      psz_segment_filename );
4604         }
4605         else if( MKV_IS_ID( l, KaxTitle ) )
4606         {
4607             KaxTitle &title = *(KaxTitle*)l;
4608
4609             psz_title = ToUTF8( UTFstring( title ) );
4610
4611             msg_Dbg( &sys.demuxer, "|   |   + Title=%s", psz_title );
4612         }
4613         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
4614         {
4615             KaxSegmentFamily *uid = static_cast<KaxSegmentFamily*>(l);
4616
4617             families.push_back( new KaxSegmentFamily(*uid) );
4618
4619             msg_Dbg( &sys.demuxer, "|   |   + family=%d", *(uint32*)uid->GetBuffer() );
4620         }
4621 #if defined( HAVE_GMTIME_R ) && !defined( __APPLE__ )
4622         else if( MKV_IS_ID( l, KaxDateUTC ) )
4623         {
4624             KaxDateUTC &date = *(KaxDateUTC*)l;
4625             time_t i_date;
4626             struct tm tmres;
4627             char   buffer[256];
4628
4629             i_date = date.GetEpochDate();
4630             memset( buffer, 0, 256 );
4631             if( gmtime_r( &i_date, &tmres ) &&
4632                 asctime_r( &tmres, buffer ) )
4633             {
4634                 buffer[strlen( buffer)-1]= '\0';
4635                 psz_date_utc = strdup( buffer );
4636                 msg_Dbg( &sys.demuxer, "|   |   + Date=%s", psz_date_utc );
4637             }
4638         }
4639 #endif
4640 #if LIBMATROSKA_VERSION >= 0x000704
4641         else if( MKV_IS_ID( l, KaxChapterTranslate ) )
4642         {
4643             KaxChapterTranslate *p_trans = static_cast<KaxChapterTranslate*>( l );
4644             chapter_translation_c *p_translate = new chapter_translation_c();
4645
4646             p_trans->Read( es, p_trans->Generic().Context, i_upper_level, el, true );
4647             for( j = 0; j < p_trans->ListSize(); j++ )
4648             {
4649                 EbmlElement *l = (*p_trans)[j];
4650
4651                 if( MKV_IS_ID( l, KaxChapterTranslateEditionUID ) )
4652                 {
4653                     p_translate->editions.push_back( uint64( *static_cast<KaxChapterTranslateEditionUID*>( l ) ) );
4654                 }
4655                 else if( MKV_IS_ID( l, KaxChapterTranslateCodec ) )
4656                 {
4657                     p_translate->codec_id = uint32( *static_cast<KaxChapterTranslateCodec*>( l ) );
4658                 }
4659                 else if( MKV_IS_ID( l, KaxChapterTranslateID ) )
4660                 {
4661                     p_translate->p_translated = new KaxChapterTranslateID( *static_cast<KaxChapterTranslateID*>( l ) );
4662                 }
4663             }
4664
4665             translations.push_back( p_translate );
4666         }
4667 #endif
4668         else
4669         {
4670             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4671         }
4672     }
4673
4674     double f_dur = double(i_duration) * double(i_timescale) / 1000000.0;
4675     i_duration = mtime_t(f_dur);
4676 }
4677
4678
4679 /*****************************************************************************
4680  * ParseChapterAtom
4681  *****************************************************************************/
4682 void matroska_segment_c::ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters )
4683 {
4684     size_t i, j;
4685
4686     msg_Dbg( &sys.demuxer, "|   |   |   + ChapterAtom (level=%d)", i_level );
4687     for( i = 0; i < ca->ListSize(); i++ )
4688     {
4689         EbmlElement *l = (*ca)[i];
4690
4691         if( MKV_IS_ID( l, KaxChapterUID ) )
4692         {
4693             chapters.i_uid = uint64_t(*(KaxChapterUID*)l);
4694             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterUID: %lld", chapters.i_uid );
4695         }
4696         else if( MKV_IS_ID( l, KaxChapterFlagHidden ) )
4697         {
4698             KaxChapterFlagHidden &flag =*(KaxChapterFlagHidden*)l;
4699             chapters.b_display_seekpoint = uint8( flag ) == 0;
4700
4701             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterFlagHidden: %s", chapters.b_display_seekpoint ? "no":"yes" );
4702         }
4703         else if( MKV_IS_ID( l, KaxChapterTimeStart ) )
4704         {
4705             KaxChapterTimeStart &start =*(KaxChapterTimeStart*)l;
4706             chapters.i_start_time = uint64( start ) / I64C(1000);
4707
4708             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeStart: %lld", chapters.i_start_time );
4709         }
4710         else if( MKV_IS_ID( l, KaxChapterTimeEnd ) )
4711         {
4712             KaxChapterTimeEnd &end =*(KaxChapterTimeEnd*)l;
4713             chapters.i_end_time = uint64( end ) / I64C(1000);
4714
4715             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeEnd: %lld", chapters.i_end_time );
4716         }
4717         else if( MKV_IS_ID( l, KaxChapterDisplay ) )
4718         {
4719             EbmlMaster *cd = static_cast<EbmlMaster *>(l);
4720
4721             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterDisplay" );
4722             for( j = 0; j < cd->ListSize(); j++ )
4723             {
4724                 EbmlElement *l= (*cd)[j];
4725
4726                 if( MKV_IS_ID( l, KaxChapterString ) )
4727                 {
4728                     int k;
4729
4730                     KaxChapterString &name =*(KaxChapterString*)l;
4731                     for (k = 0; k < i_level; k++)
4732                         chapters.psz_name += '+';
4733                     chapters.psz_name += ' ';
4734                     char *psz_tmp_utf8 = ToUTF8( UTFstring( name ) );
4735                     chapters.psz_name += psz_tmp_utf8;
4736                     chapters.b_user_display = true;
4737
4738                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterString '%s'", psz_tmp_utf8 );
4739                     free( psz_tmp_utf8 );
4740                 }
4741                 else if( MKV_IS_ID( l, KaxChapterLanguage ) )
4742                 {
4743                     KaxChapterLanguage &lang =*(KaxChapterLanguage*)l;
4744                     const char *psz = string( lang ).c_str();
4745
4746                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterLanguage '%s'", psz );
4747                 }
4748                 else if( MKV_IS_ID( l, KaxChapterCountry ) )
4749                 {
4750                     KaxChapterCountry &ct =*(KaxChapterCountry*)l;
4751                     const char *psz = string( ct ).c_str();
4752
4753                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterCountry '%s'", psz );
4754                 }
4755             }
4756         }
4757         else if( MKV_IS_ID( l, KaxChapterProcess ) )
4758         {
4759             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterProcess" );
4760
4761             KaxChapterProcess *cp = static_cast<KaxChapterProcess *>(l);
4762             chapter_codec_cmds_c *p_ccodec = NULL;
4763
4764             for( j = 0; j < cp->ListSize(); j++ )
4765             {
4766                 EbmlElement *k= (*cp)[j];
4767
4768                 if( MKV_IS_ID( k, KaxChapterProcessCodecID ) )
4769                 {
4770                     KaxChapterProcessCodecID *p_codec_id = static_cast<KaxChapterProcessCodecID*>( k );
4771                     if ( uint32(*p_codec_id) == 0 )
4772                         p_ccodec = new matroska_script_codec_c( sys );
4773                     else if ( uint32(*p_codec_id) == 1 )
4774                         p_ccodec = new dvd_chapter_codec_c( sys );
4775                     break;
4776                 }
4777             }
4778
4779             if ( p_ccodec != NULL )
4780             {
4781                 for( j = 0; j < cp->ListSize(); j++ )
4782                 {
4783                     EbmlElement *k= (*cp)[j];
4784
4785                     if( MKV_IS_ID( k, KaxChapterProcessPrivate ) )
4786                     {
4787                         KaxChapterProcessPrivate * p_private = static_cast<KaxChapterProcessPrivate*>( k );
4788                         p_ccodec->SetPrivate( *p_private );
4789                     }
4790                     else if( MKV_IS_ID( k, KaxChapterProcessCommand ) )
4791                     {
4792                         p_ccodec->AddCommand( *static_cast<KaxChapterProcessCommand*>( k ) );
4793                     }
4794                 }
4795                 chapters.codecs.push_back( p_ccodec );
4796             }
4797         }
4798         else if( MKV_IS_ID( l, KaxChapterAtom ) )
4799         {
4800             chapter_item_c *new_sub_chapter = new chapter_item_c();
4801             ParseChapterAtom( i_level+1, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4802             new_sub_chapter->psz_parent = &chapters;
4803             chapters.sub_chapters.push_back( new_sub_chapter );
4804         }
4805     }
4806 }
4807
4808 /*****************************************************************************
4809  * ParseChapters:
4810  *****************************************************************************/
4811 void matroska_segment_c::ParseChapters( KaxChapters *chapters )
4812 {
4813     EbmlElement *el;
4814     size_t i;
4815     int i_upper_level = 0;
4816     mtime_t i_dur;
4817
4818     /* Master elements */
4819     chapters->Read( es, chapters->Generic().Context, i_upper_level, el, true );
4820
4821     for( i = 0; i < chapters->ListSize(); i++ )
4822     {
4823         EbmlElement *l = (*chapters)[i];
4824
4825         if( MKV_IS_ID( l, KaxEditionEntry ) )
4826         {
4827             chapter_edition_c *p_edition = new chapter_edition_c();
4828
4829             EbmlMaster *E = static_cast<EbmlMaster *>(l );
4830             size_t j;
4831             msg_Dbg( &sys.demuxer, "|   |   + EditionEntry" );
4832             for( j = 0; j < E->ListSize(); j++ )
4833             {
4834                 EbmlElement *l = (*E)[j];
4835
4836                 if( MKV_IS_ID( l, KaxChapterAtom ) )
4837                 {
4838                     chapter_item_c *new_sub_chapter = new chapter_item_c();
4839                     ParseChapterAtom( 0, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4840                     p_edition->sub_chapters.push_back( new_sub_chapter );
4841                 }
4842                 else if( MKV_IS_ID( l, KaxEditionUID ) )
4843                 {
4844                     p_edition->i_uid = uint64(*static_cast<KaxEditionUID *>( l ));
4845                 }
4846                 else if( MKV_IS_ID( l, KaxEditionFlagOrdered ) )
4847                 {
4848                     p_edition->b_ordered = config_GetInt( &sys.demuxer, "mkv-use-ordered-chapters" ) ? (uint8(*static_cast<KaxEditionFlagOrdered *>( l )) != 0) : 0;
4849                 }
4850                 else if( MKV_IS_ID( l, KaxEditionFlagDefault ) )
4851                 {
4852                     if (uint8(*static_cast<KaxEditionFlagDefault *>( l )) != 0)
4853                         i_default_edition = stored_editions.size();
4854                 }
4855                 else
4856                 {
4857                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
4858                 }
4859             }
4860             stored_editions.push_back( p_edition );
4861         }
4862         else
4863         {
4864             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4865         }
4866     }
4867
4868     for( i = 0; i < stored_editions.size(); i++ )
4869     {
4870         stored_editions[i]->RefreshChapters( );
4871     }
4872
4873     if ( stored_editions.size() != 0 && stored_editions[i_default_edition]->b_ordered )
4874     {
4875         /* update the duration of the segment according to the sum of all sub chapters */
4876         i_dur = stored_editions[i_default_edition]->Duration() / I64C(1000);
4877         if (i_dur > 0)
4878             i_duration = i_dur;
4879     }
4880 }
4881
4882 void matroska_segment_c::ParseCluster( )
4883 {
4884     EbmlElement *el;
4885     EbmlMaster  *m;
4886     unsigned int i;
4887     int i_upper_level = 0;
4888
4889     /* Master elements */
4890     m = static_cast<EbmlMaster *>( cluster );
4891     m->Read( es, cluster->Generic().Context, i_upper_level, el, true );
4892
4893     for( i = 0; i < m->ListSize(); i++ )
4894     {
4895         EbmlElement *l = (*m)[i];
4896
4897         if( MKV_IS_ID( l, KaxClusterTimecode ) )
4898         {
4899             KaxClusterTimecode &ctc = *(KaxClusterTimecode*)l;
4900
4901             cluster->InitTimecode( uint64( ctc ), i_timescale );
4902             break;
4903         }
4904     }
4905
4906     i_start_time = cluster->GlobalTimecode() / 1000;
4907 }
4908
4909 /*****************************************************************************
4910  * InformationCreate:
4911  *****************************************************************************/
4912 void matroska_segment_c::InformationCreate( )
4913 {
4914     size_t      i_track;
4915
4916     sys.meta = vlc_meta_New();
4917
4918     if( psz_title )
4919     {
4920         vlc_meta_SetTitle( sys.meta, psz_title );
4921     }
4922     if( psz_date_utc )
4923     {
4924         vlc_meta_SetDate( sys.meta, psz_date_utc );
4925     }
4926     if( psz_segment_filename )
4927     {
4928         fprintf( stderr, "***** WARNING: Unhandled meta - Use custom\n" );
4929     }
4930     if( psz_muxing_application )
4931     {
4932         fprintf( stderr, "***** WARNING: Unhandled meta - Use custom\n" );
4933     }
4934     if( psz_writing_application )
4935     {
4936         fprintf( stderr, "***** WARNING: Unhandled meta - Use custom\n" );
4937     }
4938
4939     for( i_track = 0; i_track < tracks.size(); i_track++ )
4940     {
4941 //        mkv_track_t *tk = tracks[i_track];
4942 //        vlc_meta_t *mtk = vlc_meta_New();
4943         fprintf( stderr, "***** WARNING: Unhandled child meta\n");
4944     }
4945
4946     if( i_tags_position >= 0 )
4947     {
4948         vlc_bool_t b_seekable;
4949
4950         stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
4951         if( b_seekable )
4952         {
4953             LoadTags( );
4954         }
4955     }
4956 }
4957
4958
4959 /*****************************************************************************
4960  * Divers
4961  *****************************************************************************/
4962
4963 void matroska_segment_c::IndexAppendCluster( KaxCluster *cluster )
4964 {
4965 #define idx p_indexes[i_index]
4966     idx.i_track       = -1;
4967     idx.i_block_number= -1;
4968     idx.i_position    = cluster->GetElementPosition();
4969     idx.i_time        = -1;
4970     idx.b_key         = VLC_TRUE;
4971
4972     i_index++;
4973     if( i_index >= i_index_max )
4974     {
4975         i_index_max += 1024;
4976         p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
4977     }
4978 #undef idx
4979 }
4980
4981 void chapter_edition_c::RefreshChapters( )
4982 {
4983     chapter_item_c::RefreshChapters( b_ordered, -1 );
4984     b_display_seekpoint = false;
4985 }
4986
4987 int64_t chapter_item_c::RefreshChapters( bool b_ordered, int64_t i_prev_user_time )
4988 {
4989     int64_t i_user_time = i_prev_user_time;
4990
4991     // first the sub-chapters, and then ourself
4992     std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
4993     while ( index != sub_chapters.end() )
4994     {
4995         i_user_time = (*index)->RefreshChapters( b_ordered, i_user_time );
4996         index++;
4997     }
4998
4999     if ( b_ordered )
5000     {
5001         // the ordered chapters always start at zero
5002         if ( i_prev_user_time == -1 )
5003         {
5004             if ( i_user_time == -1 )
5005                 i_user_time = 0;
5006             i_prev_user_time = 0;
5007         }
5008
5009         i_user_start_time = i_prev_user_time;
5010         if ( i_end_time != -1 && i_user_time == i_prev_user_time )
5011         {
5012             i_user_end_time = i_user_start_time - i_start_time + i_end_time;
5013         }
5014         else
5015         {
5016             i_user_end_time = i_user_time;
5017         }
5018     }
5019     else
5020     {
5021         if ( sub_chapters.begin() != sub_chapters.end() )
5022             std::sort( sub_chapters.begin(), sub_chapters.end(), chapter_item_c::CompareTimecode );
5023         i_user_start_time = i_start_time;
5024         if ( i_end_time != -1 )
5025             i_user_end_time = i_end_time;
5026         else if ( i_user_time != -1 )
5027             i_user_end_time = i_user_time;
5028         else
5029             i_user_end_time = i_user_start_time;
5030     }
5031
5032     return i_user_end_time;
5033 }
5034
5035 mtime_t chapter_edition_c::Duration() const
5036 {
5037     mtime_t i_result = 0;
5038
5039     if ( sub_chapters.size() )
5040     {
5041         std::vector<chapter_item_c*>::const_iterator index = sub_chapters.end();
5042         index--;
5043         i_result = (*index)->i_user_end_time;
5044     }
5045
5046     return i_result;
5047 }
5048
5049 chapter_item_c * chapter_edition_c::FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current )
5050 {
5051     if ( !b_ordered )
5052         p_current = NULL;
5053     bool b_found_current = false;
5054     return chapter_item_c::FindTimecode( i_timecode, p_current, b_found_current );
5055 }
5056
5057 chapter_item_c *chapter_item_c::FindTimecode( mtime_t i_user_timecode, const chapter_item_c * p_current, bool & b_found )
5058 {
5059     chapter_item_c *psz_result = NULL;
5060
5061     if ( p_current == this )
5062         b_found = true;
5063
5064     if ( i_user_timecode >= i_user_start_time &&
5065         ( i_user_timecode < i_user_end_time ||
5066           ( i_user_start_time == i_user_end_time && i_user_timecode == i_user_end_time )))
5067     {
5068         std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
5069         while ( index != sub_chapters.end() && ((p_current == NULL && psz_result == NULL) || (p_current != NULL && (!b_found || psz_result == NULL))))
5070         {
5071             psz_result = (*index)->FindTimecode( i_user_timecode, p_current, b_found );
5072             index++;
5073         }
5074
5075         if ( psz_result == NULL )
5076             psz_result = this;
5077     }
5078
5079     return psz_result;
5080 }
5081
5082 bool chapter_item_c::ParentOf( const chapter_item_c & item ) const
5083 {
5084     if ( &item == this )
5085         return true;
5086
5087     std::vector<chapter_item_c*>::const_iterator index = sub_chapters.begin();
5088     while ( index != sub_chapters.end() )
5089     {
5090         if ( (*index)->ParentOf( item ) )
5091             return true;
5092         index++;
5093     }
5094
5095     return false;
5096 }
5097
5098 void demux_sys_t::PreloadFamily( const matroska_segment_c & of_segment )
5099 {
5100     for (size_t i=0; i<opened_segments.size(); i++)
5101     {
5102         opened_segments[i]->PreloadFamily( of_segment );
5103     }
5104 }
5105 bool matroska_segment_c::PreloadFamily( const matroska_segment_c & of_segment )
5106 {
5107     if ( b_preloaded )
5108         return false;
5109
5110     for (size_t i=0; i<families.size(); i++)
5111     {
5112         for (size_t j=0; j<of_segment.families.size(); j++)
5113         {
5114             if ( *(families[i]) == *(of_segment.families[j]) )
5115                 return Preload( );
5116         }
5117     }
5118
5119     return false;
5120 }
5121
5122 // preload all the linked segments for all preloaded segments
5123 void demux_sys_t::PreloadLinked( matroska_segment_c *p_segment )
5124 {
5125     size_t i_preloaded, i, j;
5126     virtual_segment_c *p_seg;
5127
5128     p_current_segment = VirtualFromSegments( p_segment );
5129
5130     used_segments.push_back( p_current_segment );
5131
5132     // create all the other virtual segments of the family
5133     do {
5134         i_preloaded = 0;
5135         for ( i=0; i< opened_segments.size(); i++ )
5136         {
5137             if ( opened_segments[i]->b_preloaded && !IsUsedSegment( *opened_segments[i] ) )
5138             {
5139                 p_seg = VirtualFromSegments( opened_segments[i] );
5140                 used_segments.push_back( p_seg );
5141                 i_preloaded++;
5142             }
5143         }
5144     } while ( i_preloaded ); // worst case: will stop when all segments are found as family related
5145
5146     // publish all editions of all usable segment
5147     for ( i=0; i< used_segments.size(); i++ )
5148     {
5149         p_seg = used_segments[i];
5150         if ( p_seg->p_editions != NULL )
5151         {
5152             std::string sz_name;
5153             input_title_t *p_title = vlc_input_title_New();
5154             p_seg->i_sys_title = i;
5155             int i_chapters;
5156
5157             // TODO use a name for each edition, let the TITLE deal with a codec name
5158             for ( j=0; j<p_seg->p_editions->size(); j++ )
5159             {
5160                 if ( p_title->psz_name == NULL )
5161                 {
5162                     sz_name = (*p_seg->p_editions)[j]->GetMainName();
5163                     if ( sz_name != "" )
5164                         p_title->psz_name = strdup( sz_name.c_str() );
5165                 }
5166
5167                 chapter_edition_c *p_edition = (*p_seg->p_editions)[j];
5168
5169                 i_chapters = 0;
5170                 p_edition->PublishChapters( *p_title, i_chapters, 0 );
5171             }
5172
5173             // create a name if there is none
5174             if ( p_title->psz_name == NULL )
5175             {
5176                 sz_name = N_("Segment");
5177                 char psz_str[6];
5178                 sprintf( psz_str, " %d", (int)i );
5179                 sz_name += psz_str;
5180                 p_title->psz_name = strdup( sz_name.c_str() );
5181             }
5182
5183             titles.push_back( p_title );
5184         }
5185     }
5186
5187     // TODO decide which segment should be first used (VMG for DVD)
5188 }
5189
5190 bool demux_sys_t::IsUsedSegment( matroska_segment_c &segment ) const
5191 {
5192     for ( size_t i=0; i< used_segments.size(); i++ )
5193     {
5194         if ( used_segments[i]->FindUID( *segment.p_segment_uid ) )
5195             return true;
5196     }
5197     return false;
5198 }
5199
5200 virtual_segment_c *demux_sys_t::VirtualFromSegments( matroska_segment_c *p_segment ) const
5201 {
5202     size_t i_preloaded, i;
5203
5204     virtual_segment_c *p_result = new virtual_segment_c( p_segment );
5205
5206     // fill our current virtual segment with all hard linked segments
5207     do {
5208         i_preloaded = 0;
5209         for ( i=0; i< opened_segments.size(); i++ )
5210         {
5211             i_preloaded += p_result->AddSegment( opened_segments[i] );
5212         }
5213     } while ( i_preloaded ); // worst case: will stop when all segments are found as linked
5214
5215     p_result->Sort( );
5216
5217     p_result->PreloadLinked( );
5218
5219     p_result->PrepareChapters( );
5220
5221     return p_result;
5222 }
5223
5224 bool demux_sys_t::PreparePlayback( virtual_segment_c *p_new_segment )
5225 {
5226     if ( p_new_segment != NULL && p_new_segment != p_current_segment )
5227     {
5228         if ( p_current_segment != NULL && p_current_segment->Segment() != NULL )
5229             p_current_segment->Segment()->UnSelect();
5230
5231         p_current_segment = p_new_segment;
5232         i_current_title = p_new_segment->i_sys_title;
5233     }
5234
5235     p_current_segment->LoadCues();
5236     f_duration = p_current_segment->Duration();
5237
5238     /* add information */
5239     p_current_segment->Segment()->InformationCreate( );
5240
5241     p_current_segment->Segment()->Select( 0 );
5242
5243     return true;
5244 }
5245
5246 void demux_sys_t::JumpTo( virtual_segment_c & vsegment, chapter_item_c * p_chapter )
5247 {
5248     // if the segment is not part of the current segment, select the new one
5249     if ( &vsegment != p_current_segment )
5250     {
5251         PreparePlayback( &vsegment );
5252     }
5253
5254     if ( p_chapter != NULL )
5255     {
5256         if ( !p_chapter->Enter( true ) )
5257         {
5258             // jump to the location in the found segment
5259             vsegment.Seek( demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5260         }
5261     }
5262
5263 }
5264
5265 bool matroska_segment_c::CompareSegmentUIDs( const matroska_segment_c * p_item_a, const matroska_segment_c * p_item_b )
5266 {
5267     EbmlBinary *p_tmp;
5268
5269     if ( p_item_a == NULL || p_item_b == NULL )
5270         return false;
5271
5272     p_tmp = (EbmlBinary *)p_item_a->p_segment_uid;
5273     if ( p_item_b->p_prev_segment_uid != NULL
5274           && *p_tmp == *p_item_b->p_prev_segment_uid )
5275         return true;
5276
5277     p_tmp = (EbmlBinary *)p_item_a->p_next_segment_uid;
5278     if ( p_item_b->p_segment_uid != NULL
5279           && *p_tmp == *p_item_b->p_segment_uid )
5280         return true;
5281
5282     if ( p_item_b->p_prev_segment_uid != NULL
5283           && *p_tmp == *p_item_b->p_prev_segment_uid )
5284         return true;
5285
5286     return false;
5287 }
5288
5289 bool matroska_segment_c::Preload( )
5290 {
5291     if ( b_preloaded )
5292         return false;
5293
5294     EbmlElement *el = NULL;
5295
5296     ep->Reset( &sys.demuxer );
5297
5298     while( ( el = ep->Get() ) != NULL )
5299     {
5300         if( MKV_IS_ID( el, KaxInfo ) )
5301         {
5302             ParseInfo( static_cast<KaxInfo*>( el ) );
5303         }
5304         else if( MKV_IS_ID( el, KaxTracks ) )
5305         {
5306             ParseTracks( static_cast<KaxTracks*>( el ) );
5307             if ( tracks.size() == 0 )
5308             {
5309                 msg_Err( &sys.demuxer, "No tracks supported" );
5310                 return false;
5311             }
5312         }
5313         else if( MKV_IS_ID( el, KaxSeekHead ) )
5314         {
5315             ParseSeekHead( static_cast<KaxSeekHead*>( el ) );
5316         }
5317         else if( MKV_IS_ID( el, KaxCues ) )
5318         {
5319             msg_Dbg( &sys.demuxer, "|   + Cues" );
5320         }
5321         else if( MKV_IS_ID( el, KaxCluster ) )
5322         {
5323             msg_Dbg( &sys.demuxer, "|   + Cluster" );
5324
5325             cluster = (KaxCluster*)el;
5326
5327             i_cluster_pos = i_start_pos = cluster->GetElementPosition();
5328             ParseCluster( );
5329
5330             ep->Down();
5331             /* stop parsing the stream */
5332             break;
5333         }
5334         else if( MKV_IS_ID( el, KaxAttachments ) )
5335         {
5336             msg_Dbg( &sys.demuxer, "|   + Attachments FIXME (but probably never supported)" );
5337         }
5338         else if( MKV_IS_ID( el, KaxChapters ) )
5339         {
5340             msg_Dbg( &sys.demuxer, "|   + Chapters" );
5341             ParseChapters( static_cast<KaxChapters*>( el ) );
5342         }
5343         else if( MKV_IS_ID( el, KaxTag ) )
5344         {
5345             msg_Dbg( &sys.demuxer, "|   + Tags FIXME TODO" );
5346         }
5347         else
5348         {
5349             msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid(*el).name() );
5350         }
5351     }
5352
5353     b_preloaded = true;
5354
5355     return true;
5356 }
5357
5358 matroska_segment_c *demux_sys_t::FindSegment( const EbmlBinary & uid ) const
5359 {
5360     for (size_t i=0; i<opened_segments.size(); i++)
5361     {
5362         if ( *opened_segments[i]->p_segment_uid == uid )
5363             return opened_segments[i];
5364     }
5365     return NULL;
5366 }
5367
5368 chapter_item_c *demux_sys_t::BrowseCodecPrivate( unsigned int codec_id,
5369                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
5370                                         const void *p_cookie,
5371                                         size_t i_cookie_size,
5372                                         virtual_segment_c * &p_segment_found )
5373 {
5374     chapter_item_c *p_result = NULL;
5375     for (size_t i=0; i<used_segments.size(); i++)
5376     {
5377         p_result = used_segments[i]->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
5378         if ( p_result != NULL )
5379         {
5380             p_segment_found = used_segments[i];
5381             break;
5382         }
5383     }
5384     return p_result;
5385 }
5386
5387 chapter_item_c *demux_sys_t::FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found )
5388 {
5389     chapter_item_c *p_result = NULL;
5390     for (size_t i=0; i<used_segments.size(); i++)
5391     {
5392         p_result = used_segments[i]->FindChapter( i_find_uid );
5393         if ( p_result != NULL )
5394         {
5395             p_segment_found = used_segments[i];
5396             break;
5397         }
5398     }
5399     return p_result;
5400 }
5401
5402 void virtual_segment_c::Sort()
5403 {
5404     // keep the current segment index
5405     matroska_segment_c *p_segment = linked_segments[i_current_segment];
5406
5407     std::sort( linked_segments.begin(), linked_segments.end(), matroska_segment_c::CompareSegmentUIDs );
5408
5409     for ( i_current_segment=0; i_current_segment<linked_segments.size(); i_current_segment++)
5410         if ( linked_segments[i_current_segment] == p_segment )
5411             break;
5412 }
5413
5414 size_t virtual_segment_c::AddSegment( matroska_segment_c *p_segment )
5415 {
5416     size_t i;
5417     // check if it's not already in here
5418     for ( i=0; i<linked_segments.size(); i++ )
5419     {
5420         if ( linked_segments[i]->p_segment_uid != NULL
5421             && p_segment->p_segment_uid != NULL
5422             && *p_segment->p_segment_uid == *linked_segments[i]->p_segment_uid )
5423             return 0;
5424     }
5425
5426     // find possible mates
5427     for ( i=0; i<linked_uids.size(); i++ )
5428     {
5429         if (   (p_segment->p_segment_uid != NULL && *p_segment->p_segment_uid == linked_uids[i])
5430             || (p_segment->p_prev_segment_uid != NULL && *p_segment->p_prev_segment_uid == linked_uids[i])
5431             || (p_segment->p_next_segment_uid !=NULL && *p_segment->p_next_segment_uid == linked_uids[i]) )
5432         {
5433             linked_segments.push_back( p_segment );
5434
5435             AppendUID( p_segment->p_prev_segment_uid );
5436             AppendUID( p_segment->p_next_segment_uid );
5437
5438             return 1;
5439         }
5440     }
5441     return 0;
5442 }
5443
5444 void virtual_segment_c::PreloadLinked( )
5445 {
5446     for ( size_t i=0; i<linked_segments.size(); i++ )
5447     {
5448         linked_segments[i]->Preload( );
5449     }
5450     i_current_edition = linked_segments[0]->i_default_edition;
5451 }
5452
5453 mtime_t virtual_segment_c::Duration() const
5454 {
5455     mtime_t i_duration;
5456     if ( linked_segments.size() == 0 )
5457         i_duration = 0;
5458     else {
5459         matroska_segment_c *p_last_segment = linked_segments[linked_segments.size()-1];
5460 //        p_last_segment->ParseCluster( );
5461
5462         i_duration = p_last_segment->i_start_time / 1000 + p_last_segment->i_duration;
5463     }
5464     return i_duration;
5465 }
5466
5467 void virtual_segment_c::LoadCues( )
5468 {
5469     for ( size_t i=0; i<linked_segments.size(); i++ )
5470     {
5471         linked_segments[i]->LoadCues();
5472     }
5473 }
5474
5475 void virtual_segment_c::AppendUID( const EbmlBinary * p_UID )
5476 {
5477     if ( p_UID == NULL )
5478         return;
5479     if ( p_UID->GetBuffer() == NULL )
5480         return;
5481
5482     for (size_t i=0; i<linked_uids.size(); i++)
5483     {
5484         if ( *p_UID == linked_uids[i] )
5485             return;
5486     }
5487     linked_uids.push_back( *(KaxSegmentUID*)(p_UID) );
5488 }
5489
5490 void matroska_segment_c::Seek( mtime_t i_date, mtime_t i_time_offset )
5491 {
5492     KaxBlock    *block;
5493 #if LIBMATROSKA_VERSION >= 0x000800
5494     KaxSimpleBlock *simpleblock;
5495 #endif
5496     int         i_track_skipping;
5497     int64_t     i_block_duration;
5498     int64_t     i_block_ref1;
5499     int64_t     i_block_ref2;
5500     size_t      i_track;
5501     int64_t     i_seek_position = i_start_pos;
5502     int64_t     i_seek_time = i_start_time;
5503
5504     if ( i_index > 0 )
5505     {
5506         int i_idx = 0;
5507
5508         for( ; i_idx < i_index; i_idx++ )
5509         {
5510             if( p_indexes[i_idx].i_time + i_time_offset > i_date )
5511             {
5512                 break;
5513             }
5514         }
5515
5516         if( i_idx > 0 )
5517         {
5518             i_idx--;
5519         }
5520
5521         i_seek_position = p_indexes[i_idx].i_position;
5522         i_seek_time = p_indexes[i_idx].i_time;
5523     }
5524
5525     msg_Dbg( &sys.demuxer, "seek got "I64Fd" (%d%%)",
5526                 i_seek_time, (int)( 100 * i_seek_position / stream_Size( sys.demuxer.s ) ) );
5527
5528     es.I_O().setFilePointer( i_seek_position, seek_beginning );
5529
5530     delete ep;
5531     ep = new EbmlParser( &es, segment, &sys.demuxer );
5532     cluster = NULL;
5533
5534     sys.i_start_pts = i_date;
5535
5536     es_out_Control( sys.demuxer.out, ES_OUT_RESET_PCR );
5537
5538     /* now parse until key frame */
5539     i_track_skipping = 0;
5540     for( i_track = 0; i_track < tracks.size(); i_track++ )
5541     {
5542         if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5543         {
5544             tracks[i_track]->b_search_keyframe = VLC_TRUE;
5545             i_track_skipping++;
5546         }
5547         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_date );
5548     }
5549
5550
5551     while( i_track_skipping > 0 )
5552     {
5553 #if LIBMATROSKA_VERSION >= 0x000800
5554         if( BlockGet( block, simpleblock, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
5555 #else
5556         if( BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
5557 #endif
5558         {
5559             msg_Warn( &sys.demuxer, "cannot get block EOF?" );
5560
5561             return;
5562         }
5563         ep->Down();
5564
5565         for( i_track = 0; i_track < tracks.size(); i_track++ )
5566         {
5567             if( tracks[i_track]->i_number == block->TrackNum() )
5568             {
5569                 break;
5570             }
5571         }
5572
5573         sys.i_pts = (sys.i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
5574
5575         if( i_track < tracks.size() )
5576         {
5577            if( sys.i_pts >= sys.i_start_pts )
5578             {
5579                 cluster = static_cast<KaxCluster*>(ep->UnGet( i_block_pos, i_cluster_pos ));
5580                 i_track_skipping = 0;
5581             }
5582             else if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5583             {
5584                 if( i_block_ref1 == 0 && tracks[i_track]->b_search_keyframe )
5585                 {
5586                     tracks[i_track]->b_search_keyframe = VLC_FALSE;
5587                     i_track_skipping--;
5588                 }
5589                 if( !tracks[i_track]->b_search_keyframe )
5590                 {
5591 #if LIBMATROSKA_VERSION >= 0x000800
5592                     BlockDecode( &sys.demuxer, block, simpleblock, sys.i_pts, 0, i_block_ref1 >= 0 || i_block_ref2 > 0 );
5593 #else
5594                     BlockDecode( &sys.demuxer, block, sys.i_pts, 0, i_block_ref1 >= 0 || i_block_ref2 > 0 );
5595 #endif
5596                 }
5597             }
5598         }
5599
5600         delete block;
5601     }
5602 }
5603
5604 void virtual_segment_c::Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter )
5605 {
5606     demux_sys_t *p_sys = demuxer.p_sys;
5607     size_t i;
5608
5609     // find the actual time for an ordered edition
5610     if ( psz_chapter == NULL )
5611     {
5612         if ( Edition() && Edition()->b_ordered )
5613         {
5614             /* 1st, we need to know in which chapter we are */
5615             psz_chapter = (*p_editions)[i_current_edition]->FindTimecode( i_date, psz_current_chapter );
5616         }
5617     }
5618
5619     if ( psz_chapter != NULL )
5620     {
5621         psz_current_chapter = psz_chapter;
5622         p_sys->i_chapter_time = i_time_offset = psz_chapter->i_user_start_time - psz_chapter->i_start_time;
5623         if ( psz_chapter->i_seekpoint_num > 0 )
5624         {
5625             demuxer.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
5626             demuxer.info.i_title = p_sys->i_current_title = i_sys_title;
5627             demuxer.info.i_seekpoint = psz_chapter->i_seekpoint_num - 1;
5628         }
5629     }
5630
5631     // find the best matching segment
5632     for ( i=0; i<linked_segments.size(); i++ )
5633     {
5634         if ( i_date < linked_segments[i]->i_start_time )
5635             break;
5636     }
5637
5638     if ( i > 0 )
5639         i--;
5640
5641     if ( i_current_segment != i  )
5642     {
5643         linked_segments[i_current_segment]->UnSelect();
5644         linked_segments[i]->Select( i_date );
5645         i_current_segment = i;
5646     }
5647
5648     linked_segments[i]->Seek( i_date, i_time_offset );
5649 }
5650
5651 void chapter_codec_cmds_c::AddCommand( const KaxChapterProcessCommand & command )
5652 {
5653     size_t i;
5654
5655     uint32 codec_time = uint32(-1);
5656     for( i = 0; i < command.ListSize(); i++ )
5657     {
5658         const EbmlElement *k = command[i];
5659
5660         if( MKV_IS_ID( k, KaxChapterProcessTime ) )
5661         {
5662             codec_time = uint32( *static_cast<const KaxChapterProcessTime*>( k ) );
5663             break;
5664         }
5665     }
5666
5667     for( i = 0; i < command.ListSize(); i++ )
5668     {
5669         const EbmlElement *k = command[i];
5670
5671         if( MKV_IS_ID( k, KaxChapterProcessData ) )
5672         {
5673             KaxChapterProcessData *p_data =  new KaxChapterProcessData( *static_cast<const KaxChapterProcessData*>( k ) );
5674             switch ( codec_time )
5675             {
5676             case 0:
5677                 during_cmds.push_back( p_data );
5678                 break;
5679             case 1:
5680                 enter_cmds.push_back( p_data );
5681                 break;
5682             case 2:
5683                 leave_cmds.push_back( p_data );
5684                 break;
5685             default:
5686                 delete p_data;
5687             }
5688         }
5689     }
5690 }
5691
5692 bool chapter_item_c::Enter( bool b_do_subs )
5693 {
5694     bool f_result = false;
5695     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5696     while ( index != codecs.end() )
5697     {
5698         f_result |= (*index)->Enter();
5699         index++;
5700     }
5701
5702     if ( b_do_subs )
5703     {
5704         // sub chapters
5705         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5706         while ( index_ != sub_chapters.end() )
5707         {
5708             f_result |= (*index_)->Enter( true );
5709             index_++;
5710         }
5711     }
5712     return f_result;
5713 }
5714
5715 bool chapter_item_c::Leave( bool b_do_subs )
5716 {
5717     bool f_result = false;
5718     b_is_leaving = true;
5719     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5720     while ( index != codecs.end() )
5721     {
5722         f_result |= (*index)->Leave();
5723         index++;
5724     }
5725
5726     if ( b_do_subs )
5727     {
5728         // sub chapters
5729         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5730         while ( index_ != sub_chapters.end() )
5731         {
5732             f_result |= (*index_)->Leave( true );
5733             index_++;
5734         }
5735     }
5736     b_is_leaving = false;
5737     return f_result;
5738 }
5739
5740 bool chapter_item_c::EnterAndLeave( chapter_item_c *p_item, bool b_final_enter )
5741 {
5742     chapter_item_c *p_common_parent = p_item;
5743
5744     // leave, up to a common parent
5745     while ( p_common_parent != NULL && !p_common_parent->ParentOf( *this ) )
5746     {
5747         if ( !p_common_parent->b_is_leaving && p_common_parent->Leave( false ) )
5748             return true;
5749         p_common_parent = p_common_parent->psz_parent;
5750     }
5751
5752     // enter from the parent to <this>
5753     if ( p_common_parent != NULL )
5754     {
5755         do
5756         {
5757             if ( p_common_parent == this )
5758                 return Enter( true );
5759
5760             for ( size_t i = 0; i<p_common_parent->sub_chapters.size(); i++ )
5761             {
5762                 if ( p_common_parent->sub_chapters[i]->ParentOf( *this ) )
5763                 {
5764                     p_common_parent = p_common_parent->sub_chapters[i];
5765                     if ( p_common_parent != this )
5766                         if ( p_common_parent->Enter( false ) )
5767                             return true;
5768
5769                     break;
5770                 }
5771             }
5772         } while ( 1 );
5773     }
5774
5775     if ( b_final_enter )
5776         return Enter( true );
5777     else
5778         return false;
5779 }
5780
5781 bool dvd_chapter_codec_c::Enter()
5782 {
5783     bool f_result = false;
5784     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
5785     while ( index != enter_cmds.end() )
5786     {
5787         if ( (*index)->GetSize() )
5788         {
5789             binary *p_data = (*index)->GetBuffer();
5790             size_t i_size = *p_data++;
5791             // avoid reading too much from the buffer
5792             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
5793             for ( ; i_size > 0; i_size--, p_data += 8 )
5794             {
5795                 msg_Dbg( &sys.demuxer, "Matroska DVD enter command" );
5796                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5797             }
5798         }
5799         index++;
5800     }
5801     return f_result;
5802 }
5803
5804 bool dvd_chapter_codec_c::Leave()
5805 {
5806     bool f_result = false;
5807     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
5808     while ( index != leave_cmds.end() )
5809     {
5810         if ( (*index)->GetSize() )
5811         {
5812             binary *p_data = (*index)->GetBuffer();
5813             size_t i_size = *p_data++;
5814             // avoid reading too much from the buffer
5815             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
5816             for ( ; i_size > 0; i_size--, p_data += 8 )
5817             {
5818                 msg_Dbg( &sys.demuxer, "Matroska DVD leave command" );
5819                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5820             }
5821         }
5822         index++;
5823     }
5824     return f_result;
5825 }
5826
5827 // see http://www.dvd-replica.com/DVD/vmcmdset.php for a description of DVD commands
5828 bool dvd_command_interpretor_c::Interpret( const binary * p_command, size_t i_size )
5829 {
5830     if ( i_size != 8 )
5831         return false;
5832
5833     virtual_segment_c *p_segment = NULL;
5834     chapter_item_c *p_chapter = NULL;
5835     bool f_result = false;
5836     uint16 i_command = ( p_command[0] << 8 ) + p_command[1];
5837
5838     // handle register tests if there are some
5839     if ( (i_command & 0xF0) != 0 )
5840     {
5841         bool b_test_positive = true;//(i_command & CMD_DVD_IF_NOT) == 0;
5842         bool b_test_value    = (i_command & CMD_DVD_TEST_VALUE) != 0;
5843         uint8 i_test = i_command & 0x70;
5844         uint16 i_value;
5845
5846         // see http://dvd.sourceforge.net/dvdinfo/vmi.html
5847         uint8  i_cr1;
5848         uint16 i_cr2;
5849         switch ( i_command >> 12 )
5850         {
5851         default:
5852             i_cr1 = p_command[3];
5853             i_cr2 = (p_command[4] << 8) + p_command[5];
5854             break;
5855         case 3:
5856         case 4:
5857         case 5:
5858             i_cr1 = p_command[6];
5859             i_cr2 = p_command[7];
5860             b_test_value = false;
5861             break;
5862         case 6:
5863         case 7:
5864             if ( ((p_command[1] >> 4) & 0x7) == 0)
5865             {
5866                 i_cr1 = p_command[2];
5867                 i_cr2 = (p_command[6] << 8) + p_command[7];
5868             }
5869             else
5870             {
5871                 i_cr1 = p_command[2];
5872                 i_cr2 = (p_command[6] << 8) + p_command[7];
5873             }
5874             break;
5875         }
5876
5877         if ( b_test_value )
5878             i_value = i_cr2;
5879         else
5880             i_value = GetPRM( i_cr2 );
5881
5882         switch ( i_test )
5883         {
5884         case CMD_DVD_IF_GPREG_EQUAL:
5885             // if equals
5886             msg_Dbg( &sys.demuxer, "IF %s EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5887             if (!( GetPRM( i_cr1 ) == i_value ))
5888             {
5889                 b_test_positive = false;
5890             }
5891             break;
5892         case CMD_DVD_IF_GPREG_NOT_EQUAL:
5893             // if not equals
5894             msg_Dbg( &sys.demuxer, "IF %s NOT EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5895             if (!( GetPRM( i_cr1 ) != i_value ))
5896             {
5897                 b_test_positive = false;
5898             }
5899             break;
5900         case CMD_DVD_IF_GPREG_INF:
5901             // if inferior
5902             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5903             if (!( GetPRM( i_cr1 ) < i_value ))
5904             {
5905                 b_test_positive = false;
5906             }
5907             break;
5908         case CMD_DVD_IF_GPREG_INF_EQUAL:
5909             // if inferior or equal
5910             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5911             if (!( GetPRM( i_cr1 ) <= i_value ))
5912             {
5913                 b_test_positive = false;
5914             }
5915             break;
5916         case CMD_DVD_IF_GPREG_AND:
5917             // if logical and
5918             msg_Dbg( &sys.demuxer, "IF %s & %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5919             if (!( GetPRM( i_cr1 ) & i_value ))
5920             {
5921                 b_test_positive = false;
5922             }
5923             break;
5924         case CMD_DVD_IF_GPREG_SUP:
5925             // if superior
5926             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5927             if (!( GetPRM( i_cr1 ) > i_value ))
5928             {
5929                 b_test_positive = false;
5930             }
5931             break;
5932         case CMD_DVD_IF_GPREG_SUP_EQUAL:
5933             // if superior or equal
5934             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5935             if (!( GetPRM( i_cr1 ) >= i_value ))
5936             {
5937                 b_test_positive = false;
5938             }
5939             break;
5940         }
5941
5942         if ( !b_test_positive )
5943             return false;
5944     }
5945
5946     // strip the test command
5947     i_command &= 0xFF0F;
5948
5949     switch ( i_command )
5950     {
5951     case CMD_DVD_NOP:
5952     case CMD_DVD_NOP2:
5953         {
5954             msg_Dbg( &sys.demuxer, "NOP" );
5955             break;
5956         }
5957     case CMD_DVD_BREAK:
5958         {
5959             msg_Dbg( &sys.demuxer, "Break" );
5960             // TODO
5961             break;
5962         }
5963     case CMD_DVD_JUMP_TT:
5964         {
5965             uint8 i_title = p_command[5];
5966             msg_Dbg( &sys.demuxer, "JumpTT %d", i_title );
5967
5968             // find in the ChapProcessPrivate matching this Title level
5969             p_chapter = sys.BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title), p_segment );
5970             if ( p_segment != NULL )
5971             {
5972                 sys.JumpTo( *p_segment, p_chapter );
5973                 f_result = true;
5974             }
5975
5976             break;
5977         }
5978     case CMD_DVD_CALLSS_VTSM1:
5979         {
5980             msg_Dbg( &sys.demuxer, "CallSS" );
5981             binary p_type;
5982             switch( (p_command[6] & 0xC0) >> 6 ) {
5983                 case 0:
5984                     p_type = p_command[5] & 0x0F;
5985                     switch ( p_type )
5986                     {
5987                     case 0x00:
5988                         msg_Dbg( &sys.demuxer, "CallSS PGC (rsm_cell %x)", p_command[4]);
5989                         break;
5990                     case 0x02:
5991                         msg_Dbg( &sys.demuxer, "CallSS Title Entry (rsm_cell %x)", p_command[4]);
5992                         break;
5993                     case 0x03:
5994                         msg_Dbg( &sys.demuxer, "CallSS Root Menu (rsm_cell %x)", p_command[4]);
5995                         break;
5996                     case 0x04:
5997                         msg_Dbg( &sys.demuxer, "CallSS Subpicture Menu (rsm_cell %x)", p_command[4]);
5998                         break;
5999                     case 0x05:
6000                         msg_Dbg( &sys.demuxer, "CallSS Audio Menu (rsm_cell %x)", p_command[4]);
6001                         break;
6002                     case 0x06:
6003                         msg_Dbg( &sys.demuxer, "CallSS Angle Menu (rsm_cell %x)", p_command[4]);
6004                         break;
6005                     case 0x07:
6006                         msg_Dbg( &sys.demuxer, "CallSS Chapter Menu (rsm_cell %x)", p_command[4]);
6007                         break;
6008                     default:
6009                         msg_Dbg( &sys.demuxer, "CallSS <unknown> (rsm_cell %x)", p_command[4]);
6010                         break;
6011                     }
6012                     p_chapter = sys.BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1, p_segment );
6013                     if ( p_segment != NULL )
6014                     {
6015                         sys.JumpTo( *p_segment, p_chapter );
6016                         f_result = true;
6017                     }
6018                 break;
6019                 case 1:
6020                     msg_Dbg( &sys.demuxer, "CallSS VMGM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
6021                 break;
6022                 case 2:
6023                     msg_Dbg( &sys.demuxer, "CallSS VTSM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
6024                 break;
6025                 case 3:
6026                     msg_Dbg( &sys.demuxer, "CallSS VMGM (pgc %d, rsm_cell %x)", (p_command[2] << 8) + p_command[3], p_command[4]);
6027                 break;
6028             }
6029             break;
6030         }
6031     case CMD_DVD_JUMP_SS:
6032         {
6033             msg_Dbg( &sys.demuxer, "JumpSS");
6034             binary p_type;
6035             switch( (p_command[5] & 0xC0) >> 6 ) {
6036                 case 0:
6037                     msg_Dbg( &sys.demuxer, "JumpSS FP");
6038                 break;
6039                 case 1:
6040                     p_type = p_command[5] & 0x0F;
6041                     switch ( p_type )
6042                     {
6043                     case 0x02:
6044                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Title Entry");
6045                         break;
6046                     case 0x03:
6047                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Root Menu");
6048                         break;
6049                     case 0x04:
6050                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Subpicture Menu");
6051                         break;
6052                     case 0x05:
6053                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Audio Menu");
6054                         break;
6055                     case 0x06:
6056                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Angle Menu");
6057                         break;
6058                     case 0x07:
6059                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Chapter Menu");
6060                         break;
6061                     default:
6062                         msg_Dbg( &sys.demuxer, "JumpSS <unknown>");
6063                         break;
6064                     }
6065                     // find the VMG
6066                     p_chapter = sys.BrowseCodecPrivate( 1, MatchIsVMG, NULL, 0, p_segment );
6067                     if ( p_segment != NULL )
6068                     {
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                 break;
6077                 case 2:
6078                     p_type = p_command[5] & 0x0F;
6079                     switch ( p_type )
6080                     {
6081                     case 0x02:
6082                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Title Entry", p_command[4], p_command[3]);
6083                         break;
6084                     case 0x03:
6085                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Root Menu", p_command[4], p_command[3]);
6086                         break;
6087                     case 0x04:
6088                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Subpicture Menu", p_command[4], p_command[3]);
6089                         break;
6090                     case 0x05:
6091                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Audio Menu", p_command[4], p_command[3]);
6092                         break;
6093                     case 0x06:
6094                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Angle Menu", p_command[4], p_command[3]);
6095                         break;
6096                     case 0x07:
6097                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Chapter Menu", p_command[4], p_command[3]);
6098                         break;
6099                     default:
6100                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) <unknown>", p_command[4], p_command[3]);
6101                         break;
6102                     }
6103
6104                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSMNumber, &p_command[4], 1, p_segment );
6105
6106                     if ( p_segment != NULL && p_chapter != NULL )
6107                     {
6108                         // find the title in the VTS
6109                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &p_command[3], 1 );
6110                         if ( p_chapter != NULL )
6111                         {
6112                             // find the specified menu in the VTSM
6113                             p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
6114                             if ( p_chapter != NULL )
6115                             {
6116                                 sys.JumpTo( *p_segment, p_chapter );
6117                                 f_result = true;
6118                             }
6119                         }
6120                         else
6121                             msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", p_command[3] );
6122                     }
6123                     else
6124                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", p_command[4] );
6125                 break;
6126                 case 3:
6127                     msg_Dbg( &sys.demuxer, "JumpSS VMGM (pgc %d)", (p_command[2] << 8) + p_command[3]);
6128                 break;
6129             }
6130             break;
6131         }
6132     case CMD_DVD_JUMPVTS_PTT:
6133         {
6134             uint8 i_title = p_command[5];
6135             uint8 i_ptt = p_command[3];
6136
6137             msg_Dbg( &sys.demuxer, "JumpVTS Title (%d) PTT (%d)", i_title, i_ptt);
6138
6139             // find the current VTS content segment
6140             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchIsDomain, NULL, 0 );
6141             if ( p_chapter != NULL )
6142             {
6143                 int16 i_curr_title = p_chapter->GetTitleNumber( );
6144                 if ( i_curr_title > 0 )
6145                 {
6146                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSNumber, &i_curr_title, sizeof(i_curr_title), p_segment );
6147
6148                     if ( p_segment != NULL && p_chapter != NULL )
6149                     {
6150                         // find the title in the VTS
6151                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title) );
6152                         if ( p_chapter != NULL )
6153                         {
6154                             // find the chapter in the title
6155                             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchChapterNumber, &i_ptt, sizeof(i_ptt) );
6156                             if ( p_chapter != NULL )
6157                             {
6158                                 sys.JumpTo( *p_segment, p_chapter );
6159                                 f_result = true;
6160                             }
6161                         }
6162                     else
6163                         msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", i_title );
6164                     }
6165                     else
6166                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", i_curr_title );
6167                 }
6168                 else
6169                     msg_Dbg( &sys.demuxer, "JumpVTS_PTT command found but not in a VTS(M)");
6170             }
6171             else
6172                 msg_Dbg( &sys.demuxer, "JumpVTS_PTT command but the DVD domain wasn't found");
6173             break;
6174         }
6175     case CMD_DVD_SET_GPRMMD:
6176         {
6177             msg_Dbg( &sys.demuxer, "Set GPRMMD [%d]=%d", (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3]);
6178
6179             if ( !SetGPRM( (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3] ) )
6180                 msg_Dbg( &sys.demuxer, "Set GPRMMD failed" );
6181             break;
6182         }
6183     case CMD_DVD_LINKPGCN:
6184         {
6185             uint16 i_pgcn = (p_command[6] << 8) + p_command[7];
6186
6187             msg_Dbg( &sys.demuxer, "Link PGCN(%d)", i_pgcn );
6188             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchPgcNumber, &i_pgcn, 2 );
6189             if ( p_chapter != NULL )
6190             {
6191                 if ( !p_chapter->Enter( true ) )
6192                     // jump to the location in the found segment
6193                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6194
6195                 f_result = true;
6196             }
6197             break;
6198         }
6199     case CMD_DVD_LINKCN:
6200         {
6201             uint8 i_cn = p_command[7];
6202
6203             p_chapter = sys.p_current_segment->CurrentChapter();
6204
6205             msg_Dbg( &sys.demuxer, "LinkCN (cell %d)", i_cn );
6206             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchCellNumber, &i_cn, 1 );
6207             if ( p_chapter != NULL )
6208             {
6209                 if ( !p_chapter->Enter( true ) )
6210                     // jump to the location in the found segment
6211                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6212
6213                 f_result = true;
6214             }
6215             break;
6216         }
6217     case CMD_DVD_GOTO_LINE:
6218         {
6219             msg_Dbg( &sys.demuxer, "GotoLine (%d)", (p_command[6] << 8) + p_command[7] );
6220             // TODO
6221             break;
6222         }
6223     case CMD_DVD_SET_HL_BTNN1:
6224         {
6225             msg_Dbg( &sys.demuxer, "SetHL_BTN (%d)", p_command[4] );
6226             SetSPRM( 0x88, p_command[4] );
6227             break;
6228         }
6229     default:
6230         {
6231             msg_Dbg( &sys.demuxer, "unsupported command : %02X %02X %02X %02X %02X %02X %02X %02X"
6232                      ,p_command[0]
6233                      ,p_command[1]
6234                      ,p_command[2]
6235                      ,p_command[3]
6236                      ,p_command[4]
6237                      ,p_command[5]
6238                      ,p_command[6]
6239                      ,p_command[7]);
6240             break;
6241         }
6242     }
6243
6244     return f_result;
6245 }
6246
6247 bool dvd_command_interpretor_c::MatchIsDomain( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6248 {
6249     return ( data.p_private_data != NULL && data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS );
6250 }
6251
6252 bool dvd_command_interpretor_c::MatchIsVMG( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6253 {
6254     if ( data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
6255         return false;
6256
6257     return ( data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS && data.p_private_data->GetBuffer()[1] == 0xC0);
6258 }
6259
6260 bool dvd_command_interpretor_c::MatchVTSNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6261 {
6262     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6263         return false;
6264
6265     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x80 )
6266         return false;
6267
6268     uint16 i_gtitle = (data.p_private_data->GetBuffer()[2] << 8 ) + data.p_private_data->GetBuffer()[3];
6269     uint16 i_title = *(uint16*)p_cookie;
6270
6271     return (i_gtitle == i_title);
6272 }
6273
6274 bool dvd_command_interpretor_c::MatchVTSMNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6275 {
6276     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6277         return false;
6278
6279     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x40 )
6280         return false;
6281
6282     uint8 i_gtitle = data.p_private_data->GetBuffer()[3];
6283     uint8 i_title = *(uint8*)p_cookie;
6284
6285     return (i_gtitle == i_title);
6286 }
6287
6288 bool dvd_command_interpretor_c::MatchTitleNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6289 {
6290     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6291         return false;
6292
6293     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_TT )
6294         return false;
6295
6296     uint16 i_gtitle = (data.p_private_data->GetBuffer()[1] << 8 ) + data.p_private_data->GetBuffer()[2];
6297     uint8 i_title = *(uint8*)p_cookie;
6298
6299     return (i_gtitle == i_title);
6300 }
6301
6302 bool dvd_command_interpretor_c::MatchPgcType( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6303 {
6304     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6305         return false;
6306
6307     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6308         return false;
6309
6310     uint8 i_pgc_type = data.p_private_data->GetBuffer()[3] & 0x0F;
6311     uint8 i_pgc = *(uint8*)p_cookie;
6312
6313     return (i_pgc_type == i_pgc);
6314 }
6315
6316 bool dvd_command_interpretor_c::MatchPgcNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6317 {
6318     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6319         return false;
6320
6321     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6322         return false;
6323
6324     uint16 *i_pgc_n = (uint16 *)p_cookie;
6325     uint16 i_pgc_num = (data.p_private_data->GetBuffer()[1] << 8) + data.p_private_data->GetBuffer()[2];
6326
6327     return (i_pgc_num == *i_pgc_n);
6328 }
6329
6330 bool dvd_command_interpretor_c::MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6331 {
6332     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
6333         return false;
6334
6335     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PTT )
6336         return false;
6337
6338     uint8 i_chapter = data.p_private_data->GetBuffer()[1];
6339     uint8 i_ptt = *(uint8*)p_cookie;
6340
6341     return (i_chapter == i_ptt);
6342 }
6343
6344 bool dvd_command_interpretor_c::MatchCellNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6345 {
6346     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 5 )
6347         return false;
6348
6349     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_CN )
6350         return false;
6351
6352     uint8 *i_cell_n = (uint8 *)p_cookie;
6353     uint8 i_cell_num = data.p_private_data->GetBuffer()[3];
6354
6355     return (i_cell_num == *i_cell_n);
6356 }
6357
6358 bool matroska_script_codec_c::Enter()
6359 {
6360     bool f_result = false;
6361     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
6362     while ( index != enter_cmds.end() )
6363     {
6364         if ( (*index)->GetSize() )
6365         {
6366             msg_Dbg( &sys.demuxer, "Matroska Script enter command" );
6367             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6368         }
6369         index++;
6370     }
6371     return f_result;
6372 }
6373
6374 bool matroska_script_codec_c::Leave()
6375 {
6376     bool f_result = false;
6377     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
6378     while ( index != leave_cmds.end() )
6379     {
6380         if ( (*index)->GetSize() )
6381         {
6382             msg_Dbg( &sys.demuxer, "Matroska Script leave command" );
6383             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6384         }
6385         index++;
6386     }
6387     return f_result;
6388 }
6389
6390 // see http://www.matroska.org/technical/specs/chapters/index.html#mscript
6391 //  for a description of existing commands
6392 bool matroska_script_interpretor_c::Interpret( const binary * p_command, size_t i_size )
6393 {
6394     bool b_result = false;
6395
6396     char *psz_str = (char*) malloc( i_size + 1 );
6397     memcpy( psz_str, p_command, i_size );
6398     psz_str[ i_size ] = '\0';
6399
6400     std::string sz_command = psz_str;
6401     free( psz_str );
6402
6403     msg_Dbg( &sys.demuxer, "command : %s", sz_command.c_str() );
6404
6405 #if defined(__GNUC__) && (__GNUC__ < 3)
6406     if ( sz_command.compare( CMD_MS_GOTO_AND_PLAY, 0, CMD_MS_GOTO_AND_PLAY.size() ) == 0 )
6407 #else
6408     if ( sz_command.compare( 0, CMD_MS_GOTO_AND_PLAY.size(), CMD_MS_GOTO_AND_PLAY ) == 0 )
6409 #endif
6410     {
6411         size_t i,j;
6412
6413         // find the (
6414         for ( i=CMD_MS_GOTO_AND_PLAY.size(); i<sz_command.size(); i++)
6415         {
6416             if ( sz_command[i] == '(' )
6417             {
6418                 i++;
6419                 break;
6420             }
6421         }
6422         // find the )
6423         for ( j=i; j<sz_command.size(); j++)
6424         {
6425             if ( sz_command[j] == ')' )
6426             {
6427                 i--;
6428                 break;
6429             }
6430         }
6431
6432         std::string st = sz_command.substr( i+1, j-i-1 );
6433         int64_t i_chapter_uid = atoi( st.c_str() );
6434
6435         virtual_segment_c *p_segment;
6436         chapter_item_c *p_chapter = sys.FindChapter( i_chapter_uid, p_segment );
6437
6438         if ( p_chapter == NULL )
6439             msg_Dbg( &sys.demuxer, "Chapter "I64Fd" not found", i_chapter_uid);
6440         else
6441         {
6442             if ( !p_chapter->EnterAndLeave( sys.p_current_segment->CurrentChapter() ) )
6443                 p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6444             b_result = true;
6445         }
6446     }
6447
6448     return b_result;
6449 }
6450
6451 void demux_sys_t::SwapButtons()
6452 {
6453 #ifndef WORDS_BIGENDIAN
6454     uint8_t button, i, j;
6455
6456     for( button = 1; button <= pci_packet.hli.hl_gi.btn_ns; button++) {
6457         btni_t *button_ptr = &(pci_packet.hli.btnit[button-1]);
6458         binary *p_data = (binary*) button_ptr;
6459
6460         uint16 i_x_start = ((p_data[0] & 0x3F) << 4 ) + ( p_data[1] >> 4 );
6461         uint16 i_x_end   = ((p_data[1] & 0x03) << 8 ) + p_data[2];
6462         uint16 i_y_start = ((p_data[3] & 0x3F) << 4 ) + ( p_data[4] >> 4 );
6463         uint16 i_y_end   = ((p_data[4] & 0x03) << 8 ) + p_data[5];
6464         button_ptr->x_start = i_x_start;
6465         button_ptr->x_end   = i_x_end;
6466         button_ptr->y_start = i_y_start;
6467         button_ptr->y_end   = i_y_end;
6468
6469     }
6470     for ( i = 0; i<3; i++ )
6471     {
6472         for ( j = 0; j<2; j++ )
6473         {
6474             pci_packet.hli.btn_colit.btn_coli[i][j] = U32_AT( &pci_packet.hli.btn_colit.btn_coli[i][j] );
6475         }
6476     }
6477 #endif
6478 }