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

   1 /*****************************************************************************
   2  * mkv.cpp : matroska demuxer
   3  *****************************************************************************
   4  * Copyright (C) 2003-2004 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   8  *          Steve Lhomme <steve.lhomme@free.fr>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  23  *****************************************************************************/
  24
  25 /*****************************************************************************
  26  * Preamble
  27  *****************************************************************************/
  28 #include <stdlib.h>                                      /* malloc(), free() */
  29
  30 #include <vlc/vlc.h>
  31
  32 #ifdef HAVE_TIME_H
  33 #   include <time.h>                                               /* time() */
  34 #endif
  35
  36 #include <vlc/input.h>
  37
  38 #include <codecs.h>                        /* BITMAPINFOHEADER, WAVEFORMATEX */
  39 #include "iso_lang.h"
  40 #include "vlc_meta.h"
  41
  42 #include <iostream>
  43 #include <cassert>
  44 #include <typeinfo>
  45 #include <string>
  46 #include <vector>
  47 #include <algorithm>
  48
  49 #ifdef HAVE_DIRENT_H
  50 #   include <dirent.h>
  51 #endif
  52
  53 /* libebml and matroska */
  54 #include "ebml/EbmlHead.h"
  55 #include "ebml/EbmlSubHead.h"
  56 #include "ebml/EbmlStream.h"
  57 #include "ebml/EbmlContexts.h"
  58 #include "ebml/EbmlVoid.h"
  59 #include "ebml/EbmlVersion.h"
  60 #include "ebml/StdIOCallback.h"
  61
  62 #include "matroska/KaxAttachments.h"
  63 #include "matroska/KaxBlock.h"
  64 #include "matroska/KaxBlockData.h"
  65 #include "matroska/KaxChapters.h"
  66 #include "matroska/KaxCluster.h"
  67 #include "matroska/KaxClusterData.h"
  68 #include "matroska/KaxContexts.h"
  69 #include "matroska/KaxCues.h"
  70 #include "matroska/KaxCuesData.h"
  71 #include "matroska/KaxInfo.h"
  72 #include "matroska/KaxInfoData.h"
  73 #include "matroska/KaxSeekHead.h"
  74 #include "matroska/KaxSegment.h"
  75 #include "matroska/KaxTag.h"
  76 #include "matroska/KaxTags.h"
  77 #include "matroska/KaxTagMulti.h"
  78 #include "matroska/KaxTracks.h"
  79 #include "matroska/KaxTrackAudio.h"
  80 #include "matroska/KaxTrackVideo.h"
  81 #include "matroska/KaxTrackEntryData.h"
  82 #include "matroska/KaxContentEncoding.h"
  83 #include "matroska/KaxVersion.h"
  84
  85 #include "ebml/StdIOCallback.h"
  86
  87 #if LIBMATROSKA_VERSION < 0x000706
  88 START_LIBMATROSKA_NAMESPACE
  89 extern const EbmlSemanticContext MATROSKA_DLL_API KaxMatroska_Context;
  90 END_LIBMATROSKA_NAMESPACE
  91 #endif
  92
  93 #include "vlc_keys.h"
  94
  95 extern "C" {
  96    #include "mp4/libmp4.h"
  97 }
  98 #ifdef HAVE_ZLIB_H
  99 #   include <zlib.h>
 100 #endif
 101
 102 #define MATROSKA_COMPRESSION_NONE  -1
 103 #define MATROSKA_COMPRESSION_ZLIB   0
 104 #define MATROSKA_COMPRESSION_BLIB   1
 105 #define MATROSKA_COMPRESSION_LZOX   2
 106 #define MATROSKA_COMPRESSION_HEADER 3
 107
 108 #define MKVD_TIMECODESCALE 1000000
 109
 110 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 111 #undef ATTRIBUTE_PACKED
 112 #undef PRAGMA_PACK_BEGIN
 113 #undef PRAGMA_PACK_END
 114
 115 #if defined(__GNUC__)
 116 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)
 117 #define ATTRIBUTE_PACKED __attribute__ ((packed))
 118 #define PRAGMA_PACK 0
 119 #endif
 120 #endif
 121
 122 #if !defined(ATTRIBUTE_PACKED)
 123 #define ATTRIBUTE_PACKED
 124 #define PRAGMA_PACK 1
 125 #endif
 126
 127 #if PRAGMA_PACK
 128 #pragma pack(1)
 129 #endif
 130
 131 /*************************************
 132 *  taken from libdvdnav / libdvdread
 133 **************************************/
 134
 135 /**
 136  * DVD Time Information.
 137  */
 138 typedef struct {
 139   uint8_t hour;
 140   uint8_t minute;
 141   uint8_t second;
 142   uint8_t frame_u; /* The two high bits are the frame rate. */
 143 } ATTRIBUTE_PACKED dvd_time_t;
 144
 145 /**
 146  * User Operations.
 147  */
 148 typedef struct {
 149 #ifdef WORDS_BIGENDIAN
 150   unsigned char zero                           : 7; /* 25-31 */
 151   unsigned char video_pres_mode_change         : 1; /* 24 */
 152
 153   unsigned char karaoke_audio_pres_mode_change : 1; /* 23 */
 154   unsigned char angle_change                   : 1;
 155   unsigned char subpic_stream_change           : 1;
 156   unsigned char audio_stream_change            : 1;
 157   unsigned char pause_on                       : 1;
 158   unsigned char still_off                      : 1;
 159   unsigned char button_select_or_activate      : 1;
 160   unsigned char resume                         : 1; /* 16 */
 161
 162   unsigned char chapter_menu_call              : 1; /* 15 */
 163   unsigned char angle_menu_call                : 1;
 164   unsigned char audio_menu_call                : 1;
 165   unsigned char subpic_menu_call               : 1;
 166   unsigned char root_menu_call                 : 1;
 167   unsigned char title_menu_call                : 1;
 168   unsigned char backward_scan                  : 1;
 169   unsigned char forward_scan                   : 1; /* 8 */
 170
 171   unsigned char next_pg_search                 : 1; /* 7 */
 172   unsigned char prev_or_top_pg_search          : 1;
 173   unsigned char time_or_chapter_search         : 1;
 174   unsigned char go_up                          : 1;
 175   unsigned char stop                           : 1;
 176   unsigned char title_play                     : 1;
 177   unsigned char chapter_search_or_play         : 1;
 178   unsigned char title_or_time_play             : 1; /* 0 */
 179 #else
 180   unsigned char video_pres_mode_change         : 1; /* 24 */
 181   unsigned char zero                           : 7; /* 25-31 */
 182
 183   unsigned char resume                         : 1; /* 16 */
 184   unsigned char button_select_or_activate      : 1;
 185   unsigned char still_off                      : 1;
 186   unsigned char pause_on                       : 1;
 187   unsigned char audio_stream_change            : 1;
 188   unsigned char subpic_stream_change           : 1;
 189   unsigned char angle_change                   : 1;
 190   unsigned char karaoke_audio_pres_mode_change : 1; /* 23 */
 191
 192   unsigned char forward_scan                   : 1; /* 8 */
 193   unsigned char backward_scan                  : 1;
 194   unsigned char title_menu_call                : 1;
 195   unsigned char root_menu_call                 : 1;
 196   unsigned char subpic_menu_call               : 1;
 197   unsigned char audio_menu_call                : 1;
 198   unsigned char angle_menu_call                : 1;
 199   unsigned char chapter_menu_call              : 1; /* 15 */
 200
 201   unsigned char title_or_time_play             : 1; /* 0 */
 202   unsigned char chapter_search_or_play         : 1;
 203   unsigned char title_play                     : 1;
 204   unsigned char stop                           : 1;
 205   unsigned char go_up                          : 1;
 206   unsigned char time_or_chapter_search         : 1;
 207   unsigned char prev_or_top_pg_search          : 1;
 208   unsigned char next_pg_search                 : 1; /* 7 */
 209 #endif
 210 } ATTRIBUTE_PACKED user_ops_t;
 211
 212 /**
 213  * Type to store per-command data.
 214  */
 215 typedef struct {
 216   uint8_t bytes[8];
 217 } ATTRIBUTE_PACKED vm_cmd_t;
 218 #define COMMAND_DATA_SIZE 8
 219
 220 /**
 221  * PCI General Information
 222  */
 223 typedef struct {
 224   uint32_t nv_pck_lbn;      /**< sector address of this nav pack */
 225   uint16_t vobu_cat;        /**< 'category' of vobu */
 226   uint16_t zero1;           /**< reserved */
 227   user_ops_t vobu_uop_ctl;  /**< UOP of vobu */
 228   uint32_t vobu_s_ptm;      /**< start presentation time of vobu */
 229   uint32_t vobu_e_ptm;      /**< end presentation time of vobu */
 230   uint32_t vobu_se_e_ptm;   /**< end ptm of sequence end in vobu */
 231   dvd_time_t e_eltm;        /**< Cell elapsed time */
 232   char vobu_isrc[32];
 233 } ATTRIBUTE_PACKED pci_gi_t;
 234
 235 /**
 236  * Non Seamless Angle Information
 237  */
 238 typedef struct {
 239   uint32_t nsml_agl_dsta[9];  /**< address of destination vobu in AGL_C#n */
 240 } ATTRIBUTE_PACKED nsml_agli_t;
 241
 242 /**
 243  * Highlight General Information
 244  *
 245  * For btngrX_dsp_ty the bits have the following meaning:
 246  * 000b: normal 4/3 only buttons
 247  * XX1b: wide (16/9) buttons
 248  * X1Xb: letterbox buttons
 249  * 1XXb: pan&scan buttons
 250  */
 251 typedef struct {
 252   uint16_t hli_ss; /**< status, only low 2 bits 0: no buttons, 1: different 2: equal 3: eual except for button cmds */
 253   uint32_t hli_s_ptm;              /**< start ptm of hli */
 254   uint32_t hli_e_ptm;              /**< end ptm of hli */
 255   uint32_t btn_se_e_ptm;           /**< end ptm of button select */
 256 #ifdef WORDS_BIGENDIAN
 257   unsigned char zero1 : 2;          /**< reserved */
 258   unsigned char btngr_ns : 2;       /**< number of button groups 1, 2 or 3 with 36/18/12 buttons */
 259   unsigned char zero2 : 1;          /**< reserved */
 260   unsigned char btngr1_dsp_ty : 3;  /**< display type of subpic stream for button group 1 */
 261   unsigned char zero3 : 1;          /**< reserved */
 262   unsigned char btngr2_dsp_ty : 3;  /**< display type of subpic stream for button group 2 */
 263   unsigned char zero4 : 1;          /**< reserved */
 264   unsigned char btngr3_dsp_ty : 3;  /**< display type of subpic stream for button group 3 */
 265 #else
 266   unsigned char btngr1_dsp_ty : 3;
 267   unsigned char zero2 : 1;
 268   unsigned char btngr_ns : 2;
 269   unsigned char zero1 : 2;
 270   unsigned char btngr3_dsp_ty : 3;
 271   unsigned char zero4 : 1;
 272   unsigned char btngr2_dsp_ty : 3;
 273   unsigned char zero3 : 1;
 274 #endif
 275   uint8_t btn_ofn;     /**< button offset number range 0-255 */
 276   uint8_t btn_ns;      /**< number of valid buttons  <= 36/18/12 (low 6 bits) */
 277   uint8_t nsl_btn_ns;  /**< number of buttons selectable by U_BTNNi (low 6 bits)   nsl_btn_ns <= btn_ns */
 278   uint8_t zero5;       /**< reserved */
 279   uint8_t fosl_btnn;   /**< forcedly selected button  (low 6 bits) */
 280   uint8_t foac_btnn;   /**< forcedly activated button (low 6 bits) */
 281 } ATTRIBUTE_PACKED hl_gi_t;
 282
 283
 284 /**
 285  * Button Color Information Table
 286  * Each entry beeing a 32bit word that contains the color indexs and alpha
 287  * values to use.  They are all represented by 4 bit number and stored
 288  * like this [Ci3, Ci2, Ci1, Ci0, A3, A2, A1, A0].   The actual palette
 289  * that the indexes reference is in the PGC.
 290  * @TODO split the uint32_t into a struct
 291  */
 292 typedef struct {
 293   uint32_t btn_coli[3][2];  /**< [button color number-1][select:0/action:1] */
 294 } ATTRIBUTE_PACKED btn_colit_t;
 295
 296 /**
 297  * Button Information
 298  *
 299  * NOTE: I've had to change the structure from the disk layout to get
 300  * the packing to work with Sun's Forte C compiler.
 301  * The 4 and 7 bytes are 'rotated' was: ABC DEF GHIJ  is: ABCG DEFH IJ
 302  */
 303 typedef struct {
 304 #ifdef WORDS_BIGENDIAN
 305   uint32        btn_coln         : 2;  /**< button color number */
 306   uint32        x_start          : 10; /**< x start offset within the overlay */
 307   uint32        zero1            : 2;  /**< reserved */
 308   uint32        x_end            : 10; /**< x end offset within the overlay */
 309
 310   uint32        zero3            : 2;  /**< reserved */
 311   uint32        up               : 6;  /**< button index when pressing up */
 312
 313   uint32        auto_action_mode : 2;  /**< 0: no, 1: activated if selected */
 314   uint32        y_start          : 10; /**< y start offset within the overlay */
 315   uint32        zero2            : 2;  /**< reserved */
 316   uint32        y_end            : 10; /**< y end offset within the overlay */
 317
 318   uint32        zero4            : 2;  /**< reserved */
 319   uint32        down             : 6;  /**< button index when pressing down */
 320   unsigned char zero5            : 2;  /**< reserved */
 321   unsigned char left             : 6;  /**< button index when pressing left */
 322   unsigned char zero6            : 2;  /**< reserved */
 323   unsigned char right            : 6;  /**< button index when pressing right */
 324 #else
 325   uint32        x_end            : 10;
 326   uint32        zero1            : 2;
 327   uint32        x_start          : 10;
 328   uint32        btn_coln         : 2;
 329
 330   uint32        up               : 6;
 331   uint32        zero3            : 2;
 332
 333   uint32        y_end            : 10;
 334   uint32        zero2            : 2;
 335   uint32        y_start          : 10;
 336   uint32        auto_action_mode : 2;
 337
 338   uint32        down             : 6;
 339   uint32        zero4            : 2;
 340   unsigned char left             : 6;
 341   unsigned char zero5            : 2;
 342   unsigned char right            : 6;
 343   unsigned char zero6            : 2;
 344 #endif
 345   vm_cmd_t cmd;
 346 } ATTRIBUTE_PACKED btni_t;
 347
 348 /**
 349  * Highlight Information
 350  */
 351 typedef struct {
 352   hl_gi_t     hl_gi;
 353   btn_colit_t btn_colit;
 354   btni_t      btnit[36];
 355 } ATTRIBUTE_PACKED hli_t;
 356
 357 /**
 358  * PCI packet
 359  */
 360 typedef struct {
 361   pci_gi_t    pci_gi;
 362   nsml_agli_t nsml_agli;
 363   hli_t       hli;
 364   uint8_t     zero1[189];
 365 } ATTRIBUTE_PACKED pci_t;
 366
 367
 368 #if PRAGMA_PACK
 369 #pragma pack()
 370 #endif
 371 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 372
 373
 374 /**
 375  * What's between a directory and a filename?
 376  */
 377 #if defined( WIN32 )
 378     #define DIRECTORY_SEPARATOR '\\'
 379 #else
 380     #define DIRECTORY_SEPARATOR '/'
 381 #endif
 382
 383 using namespace LIBMATROSKA_NAMESPACE;
 384 using namespace std;
 385
 386 /*****************************************************************************
 387  * Module descriptor
 388  *****************************************************************************/
 389 static int  Open ( vlc_object_t * );
 390 static void Close( vlc_object_t * );
 391
 392 vlc_module_begin();
 393     set_shortname( "Matroska" );
 394     set_description( _("Matroska stream demuxer" ) );
 395     set_capability( "demux2", 50 );
 396     set_callbacks( Open, Close );
 397     set_category( CAT_INPUT );
 398     set_subcategory( SUBCAT_INPUT_DEMUX );
 399
 400     add_bool( "mkv-use-ordered-chapters", 1, NULL,
 401             N_("Ordered chapters"),
 402             N_("Play ordered chapters as specified in the segment."), VLC_TRUE );
 403
 404     add_bool( "mkv-use-chapter-codec", 1, NULL,
 405             N_("Chapter codecs"),
 406             N_("Use chapter codecs found in the segment."), VLC_TRUE );
 407
 408     add_bool( "mkv-preload-local-dir", 1, NULL,
 409             N_("Preload Directory"),
 410             N_("Preload matroska files from the same family in the same directory (not good for broken files)."), VLC_TRUE );
 411
 412     add_bool( "mkv-seek-percent", 0, NULL,
 413             N_("Seek based on percent not time"),
 414             N_("Seek based on percent not time."), VLC_TRUE );
 415
 416     add_bool( "mkv-use-dummy", 0, NULL,
 417             N_("Dummy Elements"),
 418             N_("Read and discard unknown EBML elements (not good for broken files)."), VLC_TRUE );
 419
 420     add_shortcut( "mka" );
 421     add_shortcut( "mkv" );
 422 vlc_module_end();
 423
 424 /*****************************************************************************
 425  * Local prototypes
 426  *****************************************************************************/
 427 #ifdef HAVE_ZLIB_H
 428 block_t *block_zlib_decompress( vlc_object_t *p_this, block_t *p_in_block ) {
 429     int result, dstsize, n;
 430     unsigned char *dst;
 431     block_t *p_block;
 432     z_stream d_stream;
 433
 434     d_stream.zalloc = (alloc_func)0;
 435     d_stream.zfree = (free_func)0;
 436     d_stream.opaque = (voidpf)0;
 437     result = inflateInit(&d_stream);
 438     if( result != Z_OK )
 439     {
 440         msg_Dbg( p_this, "inflateInit() failed. Result: %d", result );
 441         return NULL;
 442     }
 443
 444     d_stream.next_in = (Bytef *)p_in_block->p_buffer;
 445     d_stream.avail_in = p_in_block->i_buffer;
 446     n = 0;
 447     p_block = block_New( p_this, 0 );
 448     dst = NULL;
 449     do
 450     {
 451         n++;
 452         p_block = block_Realloc( p_block, 0, n * 1000 );
 453         dst = (unsigned char *)p_block->p_buffer;
 454         d_stream.next_out = (Bytef *)&dst[(n - 1) * 1000];
 455         d_stream.avail_out = 1000;
 456         result = inflate(&d_stream, Z_NO_FLUSH);
 457         if( ( result != Z_OK ) && ( result != Z_STREAM_END ) )
 458         {
 459             msg_Dbg( p_this, "Zlib decompression failed. Result: %d", result );
 460             return NULL;
 461         }
 462     }
 463     while( ( d_stream.avail_out == 0 ) && ( d_stream.avail_in != 0 ) &&
 464            ( result != Z_STREAM_END ) );
 465
 466     dstsize = d_stream.total_out;
 467     inflateEnd( &d_stream );
 468
 469     p_block = block_Realloc( p_block, 0, dstsize );
 470     p_block->i_buffer = dstsize;
 471     block_Release( p_in_block );
 472
 473     return p_block;
 474 }
 475 #endif
 476
 477 /**
 478  * Helper function to print the mkv parse tree
 479  */
 480 static void MkvTree( demux_t & demuxer, int i_level, char *psz_format, ... )
 481 {
 482     va_list args;
 483     if( i_level > 9 )
 484     {
 485         msg_Err( &demuxer, "too deep tree" );
 486         return;
 487     }
 488     va_start( args, psz_format );
 489     static char *psz_foo = "|   |   |   |   |   |   |   |   |   |";
 490     char *psz_foo2 = (char*)malloc( ( i_level * 4 + 3 + strlen( psz_format ) ) * sizeof(char) );
 491     strncpy( psz_foo2, psz_foo, 4 * i_level );
 492     psz_foo2[ 4 * i_level ] = '+';
 493     psz_foo2[ 4 * i_level + 1 ] = ' ';
 494     strcpy( &psz_foo2[ 4 * i_level + 2 ], psz_format );
 495     __msg_GenericVa( VLC_OBJECT(&demuxer), 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 **pp_meta;
1596
1597     switch( i_query )
1598     {
1599         case DEMUX_GET_META:
1600             pp_meta = (vlc_meta_t**)va_arg( args, vlc_meta_t** );
1601             *pp_meta = vlc_meta_Duplicate( 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         }
2425         else if( !strcmp( tracks[i_track]->psz_codec, "S_VOBSUB" ) )
2426         {
2427             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's','p','u',' ' );
2428             if( tracks[i_track]->i_extra_data )
2429             {
2430                 char *p_start;
2431                 char *p_buf = (char *)malloc( tracks[i_track]->i_extra_data + 1);
2432                 memcpy( p_buf, tracks[i_track]->p_extra_data , tracks[i_track]->i_extra_data );
2433                 p_buf[tracks[i_track]->i_extra_data] = '\0';
2434
2435                 p_start = strstr( p_buf, "size:" );
2436                 if( sscanf( p_start, "size: %dx%d",
2437                         &tracks[i_track]->fmt.subs.spu.i_original_frame_width, &tracks[i_track]->fmt.subs.spu.i_original_frame_height ) == 2 )
2438                 {
2439                     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 );
2440                 }
2441                 else
2442                 {
2443                     msg_Warn( &sys.demuxer, "reading original frame size for vobsub failed" );
2444                 }
2445                 free( p_buf );
2446             }
2447         }
2448         else if( !strcmp( tracks[i_track]->psz_codec, "B_VOBBTN" ) )
2449         {
2450             tracks[i_track]->fmt.i_cat = NAV_ES;
2451             continue;
2452         }
2453         else
2454         {
2455             msg_Err( &sys.demuxer, "unknow codec id=`%s'", tracks[i_track]->psz_codec );
2456             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2457         }
2458         if( tracks[i_track]->b_default )
2459         {
2460             tracks[i_track]->fmt.i_priority = 1000;
2461         }
2462
2463         tracks[i_track]->p_es = es_out_Add( sys.demuxer.out, &tracks[i_track]->fmt );
2464
2465         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_start_time );
2466     }
2467
2468     sys.i_start_pts = i_start_time;
2469     // reset the stream reading to the first cluster of the segment used
2470     es.I_O().setFilePointer( i_start_pos );
2471
2472     delete ep;
2473     ep = new EbmlParser( &es, segment, &sys.demuxer );
2474
2475     return true;
2476 }
2477
2478 void demux_sys_t::StartUiThread()
2479 {
2480     if ( !b_ui_hooked )
2481     {
2482         msg_Dbg( &demuxer, "Starting the UI Hook" );
2483         b_ui_hooked = true;
2484         /* FIXME hack hack hack hack FIXME */
2485         /* Get p_input and create variable */
2486         p_input = (input_thread_t *) vlc_object_find( &demuxer, VLC_OBJECT_INPUT, FIND_PARENT );
2487         var_Create( p_input, "x-start", VLC_VAR_INTEGER );
2488         var_Create( p_input, "y-start", VLC_VAR_INTEGER );
2489         var_Create( p_input, "x-end", VLC_VAR_INTEGER );
2490         var_Create( p_input, "y-end", VLC_VAR_INTEGER );
2491         var_Create( p_input, "color", VLC_VAR_ADDRESS );
2492         var_Create( p_input, "menu-palette", VLC_VAR_ADDRESS );
2493         var_Create( p_input, "highlight", VLC_VAR_BOOL );
2494         var_Create( p_input, "highlight-mutex", VLC_VAR_MUTEX );
2495
2496         /* Now create our event thread catcher */
2497         p_ev = (event_thread_t *) vlc_object_create( &demuxer, sizeof( event_thread_t ) );
2498         p_ev->p_demux = &demuxer;
2499         p_ev->b_die = VLC_FALSE;
2500         vlc_mutex_init( p_ev, &p_ev->lock );
2501         vlc_thread_create( p_ev, "mkv event thread handler", EventThread,
2502                         VLC_THREAD_PRIORITY_LOW, VLC_FALSE );
2503     }
2504 }
2505
2506 void demux_sys_t::StopUiThread()
2507 {
2508     if ( b_ui_hooked )
2509     {
2510         p_ev->b_die = VLC_TRUE;
2511
2512         vlc_thread_join( p_ev );
2513         vlc_object_destroy( p_ev );
2514
2515         p_ev = NULL;
2516
2517         var_Destroy( p_input, "highlight-mutex" );
2518         var_Destroy( p_input, "highlight" );
2519         var_Destroy( p_input, "x-start" );
2520         var_Destroy( p_input, "x-end" );
2521         var_Destroy( p_input, "y-start" );
2522         var_Destroy( p_input, "y-end" );
2523         var_Destroy( p_input, "color" );
2524         var_Destroy( p_input, "menu-palette" );
2525
2526         vlc_object_release( p_input );
2527
2528         msg_Dbg( &demuxer, "Stopping the UI Hook" );
2529     }
2530     b_ui_hooked = false;
2531 }
2532
2533 int demux_sys_t::EventMouse( vlc_object_t *p_this, char const *psz_var,
2534                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
2535 {
2536     event_thread_t *p_ev = (event_thread_t *) p_data;
2537     vlc_mutex_lock( &p_ev->lock );
2538     if( psz_var[6] == 'c' )
2539     {
2540         p_ev->b_clicked = VLC_TRUE;
2541         msg_Dbg( p_this, "Event Mouse: clicked");
2542     }
2543     else if( psz_var[6] == 'm' )
2544         p_ev->b_moved = VLC_TRUE;
2545     vlc_mutex_unlock( &p_ev->lock );
2546
2547     return VLC_SUCCESS;
2548 }
2549
2550 int demux_sys_t::EventKey( vlc_object_t *p_this, char const *psz_var,
2551                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
2552 {
2553     event_thread_t *p_ev = (event_thread_t *) p_data;
2554     vlc_mutex_lock( &p_ev->lock );
2555     p_ev->b_key = VLC_TRUE;
2556     vlc_mutex_unlock( &p_ev->lock );
2557     msg_Dbg( p_this, "Event Key");
2558
2559     return VLC_SUCCESS;
2560 }
2561
2562 int demux_sys_t::EventThread( vlc_object_t *p_this )
2563 {
2564     event_thread_t *p_ev = (event_thread_t*)p_this;
2565     demux_sys_t    *p_sys = p_ev->p_demux->p_sys;
2566     vlc_object_t   *p_vout = NULL;
2567
2568     p_ev->b_moved   = VLC_FALSE;
2569     p_ev->b_clicked = VLC_FALSE;
2570     p_ev->b_key     = VLC_FALSE;
2571
2572     /* catch all key event */
2573     var_AddCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2574
2575     /* main loop */
2576     while( !p_ev->b_die )
2577     {
2578         if ( !p_sys->b_pci_packet_set )
2579         {
2580             /* Wait 100ms */
2581             msleep( 100000 );
2582             continue;
2583         }
2584
2585         vlc_bool_t b_activated = VLC_FALSE;
2586
2587         /* KEY part */
2588         if( p_ev->b_key )
2589         {
2590             vlc_value_t valk;
2591             struct vlc_t::hotkey *p_hotkeys = p_ev->p_vlc->p_hotkeys;
2592             int i, i_action = -1;
2593
2594             msg_Dbg( p_ev->p_demux, "Handle Key Event");
2595
2596             vlc_mutex_lock( &p_ev->lock );
2597
2598             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2599
2600             var_Get( p_ev->p_vlc, "key-pressed", &valk );
2601             for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
2602             {
2603                 if( p_hotkeys[i].i_key == valk.i_int )
2604                 {
2605                     i_action = p_hotkeys[i].i_action;
2606                 }
2607             }
2608
2609             uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2610
2611             switch( i_action )
2612             {
2613             case ACTIONID_NAV_LEFT:
2614                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2615                 {
2616                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2617                     if ( p_button_ptr->left > 0 && p_button_ptr->left <= pci->hli.hl_gi.btn_ns )
2618                     {
2619                         i_curr_button = p_button_ptr->left;
2620                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2621                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2622                         if ( button_ptr.auto_action_mode )
2623                         {
2624                             vlc_mutex_unlock( &p_ev->lock );
2625                             vlc_mutex_lock( &p_sys->lock_demuxer );
2626
2627                             // process the button action
2628                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2629
2630                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2631                             vlc_mutex_lock( &p_ev->lock );
2632                         }
2633                     }
2634                 }
2635                 break;
2636             case ACTIONID_NAV_RIGHT:
2637                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2638                 {
2639                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2640                     if ( p_button_ptr->right > 0 && p_button_ptr->right <= pci->hli.hl_gi.btn_ns )
2641                     {
2642                         i_curr_button = p_button_ptr->right;
2643                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2644                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2645                         if ( button_ptr.auto_action_mode )
2646                         {
2647                             vlc_mutex_unlock( &p_ev->lock );
2648                             vlc_mutex_lock( &p_sys->lock_demuxer );
2649
2650                             // process the button action
2651                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2652
2653                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2654                             vlc_mutex_lock( &p_ev->lock );
2655                         }
2656                     }
2657                 }
2658                 break;
2659             case ACTIONID_NAV_UP:
2660                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2661                 {
2662                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2663                     if ( p_button_ptr->up > 0 && p_button_ptr->up <= pci->hli.hl_gi.btn_ns )
2664                     {
2665                         i_curr_button = p_button_ptr->up;
2666                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2667                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2668                         if ( button_ptr.auto_action_mode )
2669                         {
2670                             vlc_mutex_unlock( &p_ev->lock );
2671                             vlc_mutex_lock( &p_sys->lock_demuxer );
2672
2673                             // process the button action
2674                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2675
2676                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2677                             vlc_mutex_lock( &p_ev->lock );
2678                         }
2679                     }
2680                 }
2681                 break;
2682             case ACTIONID_NAV_DOWN:
2683                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2684                 {
2685                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2686                     if ( p_button_ptr->down > 0 && p_button_ptr->down <= pci->hli.hl_gi.btn_ns )
2687                     {
2688                         i_curr_button = p_button_ptr->down;
2689                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2690                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2691                         if ( button_ptr.auto_action_mode )
2692                         {
2693                             vlc_mutex_unlock( &p_ev->lock );
2694                             vlc_mutex_lock( &p_sys->lock_demuxer );
2695
2696                             // process the button action
2697                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2698
2699                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2700                             vlc_mutex_lock( &p_ev->lock );
2701                         }
2702                     }
2703                 }
2704                 break;
2705             case ACTIONID_NAV_ACTIVATE:
2706                 b_activated = VLC_TRUE;
2707
2708                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2709                 {
2710                     btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2711
2712                     vlc_mutex_unlock( &p_ev->lock );
2713                     vlc_mutex_lock( &p_sys->lock_demuxer );
2714
2715                     // process the button action
2716                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2717
2718                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2719                     vlc_mutex_lock( &p_ev->lock );
2720                 }
2721                 break;
2722             default:
2723                 break;
2724             }
2725             p_ev->b_key = VLC_FALSE;
2726             vlc_mutex_unlock( &p_ev->lock );
2727         }
2728
2729         /* MOUSE part */
2730         if( p_vout && ( p_ev->b_moved || p_ev->b_clicked ) )
2731         {
2732             vlc_value_t valx, valy;
2733
2734             vlc_mutex_lock( &p_ev->lock );
2735             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2736             var_Get( p_vout, "mouse-x", &valx );
2737             var_Get( p_vout, "mouse-y", &valy );
2738
2739             if( p_ev->b_clicked )
2740             {
2741                 int32_t button;
2742                 int32_t best,dist,d;
2743                 int32_t mx,my,dx,dy;
2744
2745                 msg_Dbg( p_ev->p_demux, "Handle Mouse Event: Mouse clicked x(%d)*y(%d)", (unsigned)valx.i_int, (unsigned)valy.i_int);
2746
2747                 b_activated = VLC_TRUE;
2748                 // get current button
2749                 best = 0;
2750                 dist = 0x08000000; /* >> than  (720*720)+(567*567); */
2751                 for(button = 1; button <= pci->hli.hl_gi.btn_ns; button++)
2752                 {
2753                     btni_t *button_ptr = &(pci->hli.btnit[button-1]);
2754
2755                     if(((unsigned)valx.i_int >= button_ptr->x_start)
2756                      && ((unsigned)valx.i_int <= button_ptr->x_end)
2757                      && ((unsigned)valy.i_int >= button_ptr->y_start)
2758                      && ((unsigned)valy.i_int <= button_ptr->y_end))
2759                     {
2760                         mx = (button_ptr->x_start + button_ptr->x_end)/2;
2761                         my = (button_ptr->y_start + button_ptr->y_end)/2;
2762                         dx = mx - valx.i_int;
2763                         dy = my - valy.i_int;
2764                         d = (dx*dx) + (dy*dy);
2765                         /* If the mouse is within the button and the mouse is closer
2766                         * to the center of this button then it is the best choice. */
2767                         if(d < dist) {
2768                             dist = d;
2769                             best = button;
2770                         }
2771                     }
2772                 }
2773
2774                 if ( best != 0)
2775                 {
2776                     btni_t button_ptr = pci->hli.btnit[best-1];
2777                     uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2778
2779                     msg_Dbg( &p_sys->demuxer, "Clicked button %d", best );
2780                     vlc_mutex_unlock( &p_ev->lock );
2781                     vlc_mutex_lock( &p_sys->lock_demuxer );
2782
2783                     // process the button action
2784                     p_sys->dvd_interpretor.SetSPRM( 0x88, best );
2785                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2786
2787                     msg_Dbg( &p_sys->demuxer, "Processed button %d", best );
2788
2789                     // select new button
2790                     if ( best != i_curr_button )
2791                     {
2792                         vlc_value_t val;
2793
2794                         if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
2795                         {
2796                             vlc_mutex_t *p_mutex = (vlc_mutex_t *) val.p_address;
2797                             uint32_t i_palette;
2798
2799                             if(button_ptr.btn_coln != 0) {
2800                                 i_palette = pci->hli.btn_colit.btn_coli[button_ptr.btn_coln-1][1];
2801                             } else {
2802                                 i_palette = 0;
2803                             }
2804
2805                             for( int i = 0; i < 4; i++ )
2806                             {
2807                                 uint32_t i_yuv = 0xFF;//p_sys->clut[(hl.palette>>(16+i*4))&0x0f];
2808                                 uint8_t i_alpha = (i_palette>>(i*4))&0x0f;
2809                                 i_alpha = i_alpha == 0xf ? 0xff : i_alpha << 4;
2810
2811                                 p_sys->palette[i][0] = (i_yuv >> 16) & 0xff;
2812                                 p_sys->palette[i][1] = (i_yuv >> 0) & 0xff;
2813                                 p_sys->palette[i][2] = (i_yuv >> 8) & 0xff;
2814                                 p_sys->palette[i][3] = i_alpha;
2815                             }
2816
2817                             vlc_mutex_lock( p_mutex );
2818                             val.i_int = button_ptr.x_start; var_Set( p_sys->p_input, "x-start", val );
2819                             val.i_int = button_ptr.x_end;   var_Set( p_sys->p_input, "x-end",   val );
2820                             val.i_int = button_ptr.y_start; var_Set( p_sys->p_input, "y-start", val );
2821                             val.i_int = button_ptr.y_end;   var_Set( p_sys->p_input, "y-end",   val );
2822
2823                             val.p_address = (void *)p_sys->palette;
2824                             var_Set( p_sys->p_input, "menu-palette", val );
2825
2826                             val.b_bool = VLC_TRUE; var_Set( p_sys->p_input, "highlight", val );
2827                             vlc_mutex_unlock( p_mutex );
2828                         }
2829                     }
2830                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2831                     vlc_mutex_lock( &p_ev->lock );
2832                 }
2833             }
2834             else if( p_ev->b_moved )
2835             {
2836 //                dvdnav_mouse_select( NULL, pci, valx.i_int, valy.i_int );
2837             }
2838
2839             p_ev->b_moved = VLC_FALSE;
2840             p_ev->b_clicked = VLC_FALSE;
2841             vlc_mutex_unlock( &p_ev->lock );
2842         }
2843
2844         /* VOUT part */
2845         if( p_vout && p_vout->b_die )
2846         {
2847             var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2848             var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2849             vlc_object_release( p_vout );
2850             p_vout = NULL;
2851         }
2852
2853         else if( p_vout == NULL )
2854         {
2855             p_vout = (vlc_object_t*) vlc_object_find( p_sys->p_input, VLC_OBJECT_VOUT,
2856                                       FIND_CHILD );
2857             if( p_vout)
2858             {
2859                 var_AddCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2860                 var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2861             }
2862         }
2863
2864         /* Wait a bit, 10ms */
2865         msleep( 10000 );
2866     }
2867
2868     /* Release callback */
2869     if( p_vout )
2870     {
2871         var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2872         var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2873         vlc_object_release( p_vout );
2874     }
2875     var_DelCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2876
2877     vlc_mutex_destroy( &p_ev->lock );
2878
2879     return VLC_SUCCESS;
2880 }
2881
2882 void matroska_segment_c::UnSelect( )
2883 {
2884     size_t i_track;
2885
2886     for( i_track = 0; i_track < tracks.size(); i_track++ )
2887     {
2888         if ( tracks[i_track]->p_es != NULL )
2889         {
2890 //            es_format_Clean( &tracks[i_track]->fmt );
2891             es_out_Del( sys.demuxer.out, tracks[i_track]->p_es );
2892             tracks[i_track]->p_es = NULL;
2893         }
2894     }
2895     delete ep;
2896     ep = NULL;
2897 }
2898
2899 void virtual_segment_c::PrepareChapters( )
2900 {
2901     if ( linked_segments.size() == 0 )
2902         return;
2903
2904     // !!! should be called only once !!!
2905     matroska_segment_c *p_segment;
2906     size_t i, j;
2907
2908     // copy editions from the first segment
2909     p_segment = linked_segments[0];
2910     p_editions = &p_segment->stored_editions;
2911
2912     for ( i=1 ; i<linked_segments.size(); i++ )
2913     {
2914         p_segment = linked_segments[i];
2915         // FIXME assume we have the same editions in all segments
2916         for (j=0; j<p_segment->stored_editions.size(); j++)
2917             (*p_editions)[j]->Append( *p_segment->stored_editions[j] );
2918     }
2919 }
2920
2921 std::string chapter_edition_c::GetMainName() const
2922 {
2923     if ( sub_chapters.size() )
2924     {
2925         return sub_chapters[0]->GetCodecName( true );
2926     }
2927     return "";
2928 }
2929
2930 int chapter_item_c::PublishChapters( input_title_t & title, int & i_user_chapters, int i_level )
2931 {
2932     // add support for meta-elements from codec like DVD Titles
2933     if ( !b_display_seekpoint || psz_name == "" )
2934     {
2935         psz_name = GetCodecName();
2936         if ( psz_name != "" )
2937             b_display_seekpoint = true;
2938     }
2939
2940     if (b_display_seekpoint)
2941     {
2942         seekpoint_t *sk = vlc_seekpoint_New();
2943
2944         sk->i_level = i_level;
2945         sk->i_time_offset = i_start_time;
2946         sk->psz_name = strdup( psz_name.c_str() );
2947
2948         // A start time of '0' is ok. A missing ChapterTime element is ok, too, because '0' is its default value.
2949         title.i_seekpoint++;
2950         title.seekpoint = (seekpoint_t**)realloc( title.seekpoint, title.i_seekpoint * sizeof( seekpoint_t* ) );
2951         title.seekpoint[title.i_seekpoint-1] = sk;
2952
2953         if ( b_user_display )
2954             i_user_chapters++;
2955     }
2956
2957     for ( size_t i=0; i<sub_chapters.size() ; i++)
2958     {
2959         sub_chapters[i]->PublishChapters( title, i_user_chapters, i_level+1 );
2960     }
2961
2962     i_seekpoint_num = i_user_chapters;
2963
2964     return i_user_chapters;
2965 }
2966
2967 bool virtual_segment_c::UpdateCurrentToChapter( demux_t & demux )
2968 {
2969     demux_sys_t & sys = *demux.p_sys;
2970     chapter_item_c *psz_curr_chapter;
2971     bool b_has_seeked = false;
2972
2973     /* update current chapter/seekpoint */
2974     if ( p_editions->size() )
2975     {
2976         /* 1st, we need to know in which chapter we are */
2977         psz_curr_chapter = (*p_editions)[i_current_edition]->FindTimecode( sys.i_pts, psz_current_chapter );
2978
2979         /* we have moved to a new chapter */
2980         if (psz_curr_chapter != NULL && psz_current_chapter != psz_curr_chapter)
2981         {
2982             if ( (*p_editions)[i_current_edition]->b_ordered )
2983             {
2984                 // Leave/Enter up to the link point
2985                 b_has_seeked = psz_curr_chapter->EnterAndLeave( psz_current_chapter );
2986                 if ( !b_has_seeked )
2987                 {
2988                     // only physically seek if necessary
2989                     if ( psz_current_chapter == NULL || (psz_current_chapter->i_end_time != psz_curr_chapter->i_start_time) )
2990                         Seek( demux, sys.i_pts, 0, psz_curr_chapter );
2991                 }
2992             }
2993
2994             if ( !b_has_seeked )
2995             {
2996                 psz_current_chapter = psz_curr_chapter;
2997                 if ( psz_curr_chapter->i_seekpoint_num > 0 )
2998                 {
2999                     demux.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
3000                     demux.info.i_title = sys.i_current_title = i_sys_title;
3001                     demux.info.i_seekpoint = psz_curr_chapter->i_seekpoint_num - 1;
3002                 }
3003             }
3004
3005             return true;
3006         }
3007         else if (psz_curr_chapter == NULL)
3008         {
3009             // out of the scope of the data described by chapters, leave the edition
3010             if ( (*p_editions)[i_current_edition]->b_ordered && psz_current_chapter != NULL )
3011             {
3012                 if ( !(*p_editions)[i_current_edition]->EnterAndLeave( psz_current_chapter, false ) )
3013                     psz_current_chapter = NULL;
3014                 else
3015                     return true;
3016             }
3017         }
3018     }
3019     return false;
3020 }
3021
3022 chapter_item_c *virtual_segment_c::BrowseCodecPrivate( unsigned int codec_id,
3023                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
3024                                     const void *p_cookie,
3025                                     size_t i_cookie_size )
3026 {
3027     // FIXME don't assume it is the first edition
3028     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
3029     if ( index != p_editions->end() )
3030     {
3031         chapter_item_c *p_result = (*index)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
3032         if ( p_result != NULL )
3033             return p_result;
3034     }
3035     return NULL;
3036 }
3037
3038 chapter_item_c *virtual_segment_c::FindChapter( int64_t i_find_uid )
3039 {
3040     // FIXME don't assume it is the first edition
3041     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
3042     if ( index != p_editions->end() )
3043     {
3044         chapter_item_c *p_result = (*index)->FindChapter( i_find_uid );
3045         if ( p_result != NULL )
3046             return p_result;
3047     }
3048     return NULL;
3049 }
3050
3051 chapter_item_c *chapter_item_c::BrowseCodecPrivate( unsigned int codec_id,
3052                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
3053                                     const void *p_cookie,
3054                                     size_t i_cookie_size )
3055 {
3056     // this chapter
3057     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
3058     while ( index != codecs.end() )
3059     {
3060         if ( match( **index ,p_cookie, i_cookie_size ) )
3061             return this;
3062         index++;
3063     }
3064
3065     // sub-chapters
3066     chapter_item_c *p_result = NULL;
3067     std::vector<chapter_item_c*>::const_iterator index2 = sub_chapters.begin();
3068     while ( index2 != sub_chapters.end() )
3069     {
3070         p_result = (*index2)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
3071         if ( p_result != NULL )
3072             return p_result;
3073         index2++;
3074     }
3075
3076     return p_result;
3077 }
3078
3079 void chapter_item_c::Append( const chapter_item_c & chapter )
3080 {
3081     // we are appending content for the same chapter UID
3082     size_t i;
3083     chapter_item_c *p_chapter;
3084
3085     for ( i=0; i<chapter.sub_chapters.size(); i++ )
3086     {
3087         p_chapter = FindChapter( chapter.sub_chapters[i]->i_uid );
3088         if ( p_chapter != NULL )
3089         {
3090             p_chapter->Append( *chapter.sub_chapters[i] );
3091         }
3092         else
3093         {
3094             sub_chapters.push_back( chapter.sub_chapters[i] );
3095         }
3096     }
3097
3098     i_user_start_time = min( i_user_start_time, chapter.i_user_start_time );
3099     i_user_end_time = max( i_user_end_time, chapter.i_user_end_time );
3100 }
3101
3102 chapter_item_c * chapter_item_c::FindChapter( int64_t i_find_uid )
3103 {
3104     size_t i;
3105     chapter_item_c *p_result = NULL;
3106
3107     if ( i_uid == i_find_uid )
3108         return this;
3109
3110     for ( i=0; i<sub_chapters.size(); i++)
3111     {
3112         p_result = sub_chapters[i]->FindChapter( i_find_uid );
3113         if ( p_result != NULL )
3114             break;
3115     }
3116     return p_result;
3117 }
3118
3119 std::string chapter_item_c::GetCodecName( bool f_for_title ) const
3120 {
3121     std::string result;
3122
3123     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
3124     while ( index != codecs.end() )
3125     {
3126         result = (*index)->GetCodecName( f_for_title );
3127         if ( result != "" )
3128             break;
3129         index++;
3130     }
3131
3132     return result;
3133 }
3134
3135 std::string dvd_chapter_codec_c::GetCodecName( bool f_for_title ) const
3136 {
3137     std::string result;
3138     if ( p_private_data->GetSize() >= 3)
3139     {
3140         const binary* p_data = p_private_data->GetBuffer();
3141 /*        if ( p_data[0] == MATROSKA_DVD_LEVEL_TT )
3142         {
3143             uint16_t i_title = (p_data[1] << 8) + p_data[2];
3144             char psz_str[11];
3145             sprintf( psz_str, " %d  ---", i_title );
3146             result = N_("---  DVD Title");
3147             result += psz_str;
3148         }
3149         else */ if ( p_data[0] == MATROSKA_DVD_LEVEL_LU )
3150         {
3151             char psz_str[11];
3152             sprintf( psz_str, " (%c%c)  ---", p_data[1], p_data[2] );
3153             result = N_("---  DVD Menu");
3154             result += psz_str;
3155         }
3156         else if ( p_data[0] == MATROSKA_DVD_LEVEL_SS && f_for_title )
3157         {
3158             if ( p_data[1] == 0x00 )
3159                 result = N_("First Played");
3160             else if ( p_data[1] == 0xC0 )
3161                 result = N_("Video Manager");
3162             else if ( p_data[1] == 0x80 )
3163             {
3164                 uint16_t i_title = (p_data[2] << 8) + p_data[3];
3165                 char psz_str[20];
3166                 sprintf( psz_str, " %d -----", i_title );
3167                 result = N_("----- Title");
3168                 result += psz_str;
3169             }
3170         }
3171     }
3172
3173     return result;
3174 }
3175
3176 int16 chapter_item_c::GetTitleNumber( ) const
3177 {
3178     int result = -1;
3179
3180     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
3181     while ( index != codecs.end() )
3182     {
3183         result = (*index)->GetTitleNumber( );
3184         if ( result >= 0 )
3185             break;
3186         index++;
3187     }
3188
3189     return result;
3190 }
3191
3192 int16 dvd_chapter_codec_c::GetTitleNumber()
3193 {
3194     if ( p_private_data->GetSize() >= 3)
3195     {
3196         const binary* p_data = p_private_data->GetBuffer();
3197         if ( p_data[0] == MATROSKA_DVD_LEVEL_SS )
3198         {
3199             return int16( (p_data[2] << 8) + p_data[3] );
3200         }
3201     }
3202     return -1;
3203 }
3204
3205 static void Seek( demux_t *p_demux, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter )
3206 {
3207     demux_sys_t        *p_sys = p_demux->p_sys;
3208     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3209     matroska_segment_c *p_segment = p_vsegment->Segment();
3210     mtime_t            i_time_offset = 0;
3211
3212     int         i_index;
3213
3214     msg_Dbg( p_demux, "seek request to "I64Fd" (%f%%)", i_date, f_percent );
3215     if( i_date < 0 && f_percent < 0 )
3216     {
3217         msg_Warn( p_demux, "cannot seek nowhere !" );
3218         return;
3219     }
3220     if( f_percent > 1.0 )
3221     {
3222         msg_Warn( p_demux, "cannot seek so far !" );
3223         return;
3224     }
3225
3226     /* seek without index or without date */
3227     if( f_percent >= 0 && (config_GetInt( p_demux, "mkv-seek-percent" ) || !p_segment->b_cues || i_date < 0 ))
3228     {
3229         if (p_sys->f_duration >= 0)
3230         {
3231             i_date = int64_t( f_percent * p_sys->f_duration * 1000.0 );
3232         }
3233         else
3234         {
3235             int64_t i_pos = int64_t( f_percent * stream_Size( p_demux->s ) );
3236
3237             msg_Dbg( p_demux, "inacurate way of seeking" );
3238             for( i_index = 0; i_index < p_segment->i_index; i_index++ )
3239             {
3240                 if( p_segment->p_indexes[i_index].i_position >= i_pos)
3241                 {
3242                     break;
3243                 }
3244             }
3245             if( i_index == p_segment->i_index )
3246             {
3247                 i_index--;
3248             }
3249
3250             i_date = p_segment->p_indexes[i_index].i_time;
3251
3252 #if 0
3253             if( p_segment->p_indexes[i_index].i_position < i_pos )
3254             {
3255                 EbmlElement *el;
3256
3257                 msg_Warn( p_demux, "searching for cluster, could take some time" );
3258
3259                 /* search a cluster */
3260                 while( ( el = p_sys->ep->Get() ) != NULL )
3261                 {
3262                     if( MKV_IS_ID( el, KaxCluster ) )
3263                     {
3264                         KaxCluster *cluster = (KaxCluster*)el;
3265
3266                         /* add it to the index */
3267                         p_segment->IndexAppendCluster( cluster );
3268
3269                         if( (int64_t)cluster->GetElementPosition() >= i_pos )
3270                         {
3271                             p_sys->cluster = cluster;
3272                             p_sys->ep->Down();
3273                             break;
3274                         }
3275                     }
3276                 }
3277             }
3278 #endif
3279         }
3280     }
3281
3282     p_vsegment->Seek( *p_demux, i_date, i_time_offset, psz_chapter );
3283 }
3284
3285 /*****************************************************************************
3286  * Demux: reads and demuxes data packets
3287  *****************************************************************************
3288  * Returns -1 in case of error, 0 in case of EOF, 1 otherwise
3289  *****************************************************************************/
3290 static int Demux( demux_t *p_demux)
3291 {
3292     demux_sys_t        *p_sys = p_demux->p_sys;
3293
3294     vlc_mutex_lock( &p_sys->lock_demuxer );
3295
3296     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3297     matroska_segment_c *p_segment = p_vsegment->Segment();
3298     if ( p_segment == NULL ) return 0;
3299     int                i_block_count = 0;
3300     int                i_return = 0;
3301
3302     for( ;; )
3303     {
3304         if ( p_sys->demuxer.b_die )
3305             break;
3306
3307         if( p_sys->i_pts >= p_sys->i_start_pts  )
3308             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3309             {
3310                 i_return = 1;
3311                 break;
3312             }
3313
3314         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3315         {
3316             /* nothing left to read in this ordered edition */
3317             if ( !p_vsegment->SelectNext() )
3318                 break;
3319             p_segment->UnSelect( );
3320
3321             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3322
3323             /* switch to the next segment */
3324             p_segment = p_vsegment->Segment();
3325             if ( !p_segment->Select( 0 ) )
3326             {
3327                 msg_Err( p_demux, "Failed to select new segment" );
3328                 break;
3329             }
3330             continue;
3331         }
3332
3333         KaxBlock *block;
3334         int64_t i_block_duration = 0;
3335         int64_t i_block_ref1;
3336         int64_t i_block_ref2;
3337
3338 #if LIBMATROSKA_VERSION >= 0x000800
3339         KaxSimpleBlock *simpleblock;
3340
3341         if( p_segment->BlockGet( block, simpleblock, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
3342 #else
3343         if( p_segment->BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
3344 #endif
3345         {
3346             if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered )
3347             {
3348                 const chapter_item_c *p_chap = p_vsegment->CurrentChapter();
3349                 // check if there are more chapters to read
3350                 if ( p_chap != NULL )
3351                 {
3352                     /* TODO handle successive chapters with the same user_start_time/user_end_time
3353                     if ( p_chap->i_user_start_time == p_chap->i_user_start_time )
3354                         p_vsegment->SelectNext();
3355                     */
3356                     p_sys->i_pts = p_chap->i_user_end_time;
3357                     p_sys->i_pts++; // trick to avoid staying on segments with no duration and no content
3358
3359                     i_return = 1;
3360                 }
3361
3362                 break;
3363             }
3364             else
3365             {
3366                 msg_Warn( p_demux, "cannot get block EOF?" );
3367                 p_segment->UnSelect( );
3368
3369                 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3370
3371                 /* switch to the next segment */
3372                 if ( !p_vsegment->SelectNext() )
3373                     // no more segments in this stream
3374                     break;
3375                 p_segment = p_vsegment->Segment();
3376                 if ( !p_segment->Select( 0 ) )
3377                 {
3378                     msg_Err( p_demux, "Failed to select new segment" );
3379                     break;
3380                 }
3381
3382                 continue;
3383             }
3384         }
3385
3386 #if LIBMATROSKA_VERSION >= 0x000800
3387         if ( simpleblock != NULL )
3388             p_sys->i_pts = (p_sys->i_chapter_time + simpleblock->GlobalTimecode()) / (mtime_t) 1000;
3389         else
3390 #endif
3391         p_sys->i_pts = (p_sys->i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
3392
3393         if( p_sys->i_pts >= p_sys->i_start_pts  )
3394         {
3395             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pts );
3396
3397             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3398             {
3399                 i_return = 1;
3400                 delete block;
3401                 break;
3402             }
3403         }
3404
3405         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3406         {
3407             /* nothing left to read in this ordered edition */
3408             if ( !p_vsegment->SelectNext() )
3409             {
3410                 delete block;
3411                 break;
3412             }
3413             p_segment->UnSelect( );
3414
3415             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3416
3417             /* switch to the next segment */
3418             p_segment = p_vsegment->Segment();
3419             if ( !p_segment->Select( 0 ) )
3420             {
3421                 msg_Err( p_demux, "Failed to select new segment" );
3422                 delete block;
3423                 break;
3424             }
3425             delete block;
3426             continue;
3427         }
3428
3429 #if LIBMATROSKA_VERSION >= 0x000800
3430         BlockDecode( p_demux, block, simpleblock, p_sys->i_pts, i_block_duration, i_block_ref1 >= 0 || i_block_ref2 > 0 );
3431 #else
3432         BlockDecode( p_demux, block, p_sys->i_pts, i_block_duration, i_block_ref1 >= 0 || i_block_ref2 > 0 );
3433 #endif
3434
3435         delete block;
3436         i_block_count++;
3437
3438         // TODO optimize when there is need to leave or when seeking has been called
3439         if( i_block_count > 5 )
3440         {
3441             i_return = 1;
3442             break;
3443         }
3444     }
3445
3446     vlc_mutex_unlock( &p_sys->lock_demuxer );
3447
3448     return i_return;
3449 }
3450
3451
3452
3453 /*****************************************************************************
3454  * Stream managment
3455  *****************************************************************************/
3456 vlc_stream_io_callback::vlc_stream_io_callback( stream_t *s_, vlc_bool_t b_owner_ )
3457 {
3458     s = s_;
3459     b_owner = b_owner_;
3460     mb_eof = VLC_FALSE;
3461 }
3462
3463 uint32 vlc_stream_io_callback::read( void *p_buffer, size_t i_size )
3464 {
3465     if( i_size <= 0 || mb_eof )
3466     {
3467         return 0;
3468     }
3469
3470     return stream_Read( s, p_buffer, i_size );
3471 }
3472 void vlc_stream_io_callback::setFilePointer(int64_t i_offset, seek_mode mode )
3473 {
3474     int64_t i_pos;
3475
3476     switch( mode )
3477     {
3478         case seek_beginning:
3479             i_pos = i_offset;
3480             break;
3481         case seek_end:
3482             i_pos = stream_Size( s ) - i_offset;
3483             break;
3484         default:
3485             i_pos= stream_Tell( s ) + i_offset;
3486             break;
3487     }
3488
3489     if( i_pos < 0 || i_pos >= stream_Size( s ) )
3490     {
3491         mb_eof = VLC_TRUE;
3492         return;
3493     }
3494
3495     mb_eof = VLC_FALSE;
3496     if( stream_Seek( s, i_pos ) )
3497     {
3498         mb_eof = VLC_TRUE;
3499     }
3500     return;
3501 }
3502 size_t vlc_stream_io_callback::write( const void *p_buffer, size_t i_size )
3503 {
3504     return 0;
3505 }
3506 uint64 vlc_stream_io_callback::getFilePointer( void )
3507 {
3508     if ( s == NULL )
3509         return 0;
3510     return stream_Tell( s );
3511 }
3512 void vlc_stream_io_callback::close( void )
3513 {
3514     return;
3515 }
3516
3517
3518 /*****************************************************************************
3519  * Ebml Stream parser
3520  *****************************************************************************/
3521 EbmlParser::EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux )
3522 {
3523     int i;
3524
3525     m_es = es;
3526     m_got = NULL;
3527     m_el[0] = el_start;
3528     mi_remain_size[0] = el_start->GetSize();
3529
3530     for( i = 1; i < 6; i++ )
3531     {
3532         m_el[i] = NULL;
3533     }
3534     mi_level = 1;
3535     mi_user_level = 1;
3536     mb_keep = VLC_FALSE;
3537     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3538 }
3539
3540 EbmlParser::~EbmlParser( void )
3541 {
3542     int i;
3543
3544     for( i = 1; i < mi_level; i++ )
3545     {
3546         if( !mb_keep )
3547         {
3548             delete m_el[i];
3549         }
3550         mb_keep = VLC_FALSE;
3551     }
3552 }
3553
3554 EbmlElement* EbmlParser::UnGet( uint64 i_block_pos, uint64 i_cluster_pos )
3555 {
3556     if ( mi_user_level > mi_level )
3557     {
3558         while ( mi_user_level != mi_level )
3559         {
3560             delete m_el[mi_user_level];
3561             m_el[mi_user_level] = NULL;
3562             mi_user_level--;
3563         }
3564     }
3565     m_got = NULL;
3566     mb_keep = VLC_FALSE;
3567     if ( m_el[1]->GetElementPosition() == i_cluster_pos )
3568     {
3569         m_es->I_O().setFilePointer( i_block_pos, seek_beginning );
3570         return (EbmlMaster*) m_el[1];
3571     }
3572     else
3573     {
3574         // seek to the previous Cluster
3575         m_es->I_O().setFilePointer( i_cluster_pos, seek_beginning );
3576         mi_level--;
3577         mi_user_level--;
3578         delete m_el[mi_level];
3579         m_el[mi_level] = NULL;
3580         return NULL;
3581     }
3582 }
3583
3584 void EbmlParser::Up( void )
3585 {
3586     if( mi_user_level == mi_level )
3587     {
3588         fprintf( stderr," arrrrrrrrrrrrrg Up cannot escape itself\n" );
3589     }
3590
3591     mi_user_level--;
3592 }
3593
3594 void EbmlParser::Down( void )
3595 {
3596     mi_user_level++;
3597     mi_level++;
3598 }
3599
3600 void EbmlParser::Keep( void )
3601 {
3602     mb_keep = VLC_TRUE;
3603 }
3604
3605 int EbmlParser::GetLevel( void )
3606 {
3607     return mi_user_level;
3608 }
3609
3610 void EbmlParser::Reset( demux_t *p_demux )
3611 {
3612     while ( mi_level > 0)
3613     {
3614         delete m_el[mi_level];
3615         m_el[mi_level] = NULL;
3616         mi_level--;
3617     }
3618     mi_user_level = mi_level = 1;
3619 #if LIBEBML_VERSION >= 0x000704
3620     // a little faster and cleaner
3621     m_es->I_O().setFilePointer( static_cast<KaxSegment*>(m_el[0])->GetGlobalPosition(0) );
3622 #else
3623     m_es->I_O().setFilePointer( m_el[0]->GetElementPosition() + m_el[0]->ElementSize(true) - m_el[0]->GetSize() );
3624 #endif
3625     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3626 }
3627
3628 EbmlElement *EbmlParser::Get( void )
3629 {
3630     int i_ulev = 0;
3631
3632     if( mi_user_level != mi_level )
3633     {
3634         return NULL;
3635     }
3636     if( m_got )
3637     {
3638         EbmlElement *ret = m_got;
3639         m_got = NULL;
3640
3641         return ret;
3642     }
3643
3644     if( m_el[mi_level] )
3645     {
3646         m_el[mi_level]->SkipData( *m_es, m_el[mi_level]->Generic().Context );
3647         if( !mb_keep )
3648         {
3649             delete m_el[mi_level];
3650         }
3651         mb_keep = VLC_FALSE;
3652     }
3653
3654     m_el[mi_level] = m_es->FindNextElement( m_el[mi_level - 1]->Generic().Context, i_ulev, 0xFFFFFFFFL, mb_dummy != 0, 1 );
3655 //    mi_remain_size[mi_level] = m_el[mi_level]->GetSize();
3656     if( i_ulev > 0 )
3657     {
3658         while( i_ulev > 0 )
3659         {
3660             if( mi_level == 1 )
3661             {
3662                 mi_level = 0;
3663                 return NULL;
3664             }
3665
3666             delete m_el[mi_level - 1];
3667             m_got = m_el[mi_level -1] = m_el[mi_level];
3668             m_el[mi_level] = NULL;
3669
3670             mi_level--;
3671             i_ulev--;
3672         }
3673         return NULL;
3674     }
3675     else if( m_el[mi_level] == NULL )
3676     {
3677         fprintf( stderr," m_el[mi_level] == NULL\n" );
3678     }
3679
3680     return m_el[mi_level];
3681 }
3682
3683
3684 /*****************************************************************************
3685  * Tools
3686  *  * LoadCues : load the cues element and update index
3687  *
3688  *  * LoadTags : load ... the tags element
3689  *
3690  *  * InformationCreate : create all information, load tags if present
3691  *
3692  *****************************************************************************/
3693 void matroska_segment_c::LoadCues( )
3694 {
3695     int64_t     i_sav_position = es.I_O().getFilePointer();
3696     EbmlParser  *ep;
3697     EbmlElement *el, *cues;
3698
3699     /* *** Load the cue if found *** */
3700     if( i_cues_position < 0 )
3701     {
3702         msg_Warn( &sys.demuxer, "no cues/empty cues found->seek won't be precise" );
3703
3704 //        IndexAppendCluster( cluster );
3705     }
3706
3707     vlc_bool_t b_seekable;
3708
3709     stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
3710     if( !b_seekable )
3711         return;
3712
3713     msg_Dbg( &sys.demuxer, "loading cues" );
3714     es.I_O().setFilePointer( i_cues_position, seek_beginning );
3715     cues = es.FindNextID( KaxCues::ClassInfos, 0xFFFFFFFFL);
3716
3717     if( cues == NULL )
3718     {
3719         msg_Err( &sys.demuxer, "cannot load cues (broken seekhead or file)" );
3720         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3721         return;
3722     }
3723
3724     ep = new EbmlParser( &es, cues, &sys.demuxer );
3725     while( ( el = ep->Get() ) != NULL )
3726     {
3727         if( MKV_IS_ID( el, KaxCuePoint ) )
3728         {
3729 #define idx p_indexes[i_index]
3730
3731             idx.i_track       = -1;
3732             idx.i_block_number= -1;
3733             idx.i_position    = -1;
3734             idx.i_time        = 0;
3735             idx.b_key         = VLC_TRUE;
3736
3737             ep->Down();
3738             while( ( el = ep->Get() ) != NULL )
3739             {
3740                 if( MKV_IS_ID( el, KaxCueTime ) )
3741                 {
3742                     KaxCueTime &ctime = *(KaxCueTime*)el;
3743
3744                     ctime.ReadData( es.I_O() );
3745
3746                     idx.i_time = uint64( ctime ) * i_timescale / (mtime_t)1000;
3747                 }
3748                 else if( MKV_IS_ID( el, KaxCueTrackPositions ) )
3749                 {
3750                     ep->Down();
3751                     while( ( el = ep->Get() ) != NULL )
3752                     {
3753                         if( MKV_IS_ID( el, KaxCueTrack ) )
3754                         {
3755                             KaxCueTrack &ctrack = *(KaxCueTrack*)el;
3756
3757                             ctrack.ReadData( es.I_O() );
3758                             idx.i_track = uint16( ctrack );
3759                         }
3760                         else if( MKV_IS_ID( el, KaxCueClusterPosition ) )
3761                         {
3762                             KaxCueClusterPosition &ccpos = *(KaxCueClusterPosition*)el;
3763
3764                             ccpos.ReadData( es.I_O() );
3765                             idx.i_position = segment->GetGlobalPosition( uint64( ccpos ) );
3766                         }
3767                         else if( MKV_IS_ID( el, KaxCueBlockNumber ) )
3768                         {
3769                             KaxCueBlockNumber &cbnum = *(KaxCueBlockNumber*)el;
3770
3771                             cbnum.ReadData( es.I_O() );
3772                             idx.i_block_number = uint32( cbnum );
3773                         }
3774                         else
3775                         {
3776                             msg_Dbg( &sys.demuxer, "         * Unknown (%s)", typeid(*el).name() );
3777                         }
3778                     }
3779                     ep->Up();
3780                 }
3781                 else
3782                 {
3783                     msg_Dbg( &sys.demuxer, "     * Unknown (%s)", typeid(*el).name() );
3784                 }
3785             }
3786             ep->Up();
3787
3788 #if 0
3789             msg_Dbg( &sys.demuxer, " * added time="I64Fd" pos="I64Fd
3790                      " track=%d bnum=%d", idx.i_time, idx.i_position,
3791                      idx.i_track, idx.i_block_number );
3792 #endif
3793
3794             i_index++;
3795             if( i_index >= i_index_max )
3796             {
3797                 i_index_max += 1024;
3798                 p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
3799             }
3800 #undef idx
3801         }
3802         else
3803         {
3804             msg_Dbg( &sys.demuxer, " * Unknown (%s)", typeid(*el).name() );
3805         }
3806     }
3807     delete ep;
3808     delete cues;
3809
3810     b_cues = VLC_TRUE;
3811
3812     msg_Dbg( &sys.demuxer, "loading cues done." );
3813     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3814 }
3815
3816 void matroska_segment_c::LoadTags( )
3817 {
3818     int64_t     i_sav_position = es.I_O().getFilePointer();
3819     EbmlParser  *ep;
3820     EbmlElement *el, *tags;
3821
3822     msg_Dbg( &sys.demuxer, "loading tags" );
3823     es.I_O().setFilePointer( i_tags_position, seek_beginning );
3824     tags = es.FindNextID( KaxTags::ClassInfos, 0xFFFFFFFFL);
3825
3826     if( tags == NULL )
3827     {
3828         msg_Err( &sys.demuxer, "cannot load tags (broken seekhead or file)" );
3829         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3830         return;
3831     }
3832
3833     msg_Dbg( &sys.demuxer, "Tags" );
3834     ep = new EbmlParser( &es, tags, &sys.demuxer );
3835     while( ( el = ep->Get() ) != NULL )
3836     {
3837         if( MKV_IS_ID( el, KaxTag ) )
3838         {
3839             msg_Dbg( &sys.demuxer, "+ Tag" );
3840             ep->Down();
3841             while( ( el = ep->Get() ) != NULL )
3842             {
3843                 if( MKV_IS_ID( el, KaxTagTargets ) )
3844                 {
3845                     msg_Dbg( &sys.demuxer, "|   + Targets" );
3846                     ep->Down();
3847                     while( ( el = ep->Get() ) != NULL )
3848                     {
3849                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3850                     }
3851                     ep->Up();
3852                 }
3853                 else if( MKV_IS_ID( el, KaxTagGeneral ) )
3854                 {
3855                     msg_Dbg( &sys.demuxer, "|   + General" );
3856                     ep->Down();
3857                     while( ( el = ep->Get() ) != NULL )
3858                     {
3859                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3860                     }
3861                     ep->Up();
3862                 }
3863                 else if( MKV_IS_ID( el, KaxTagGenres ) )
3864                 {
3865                     msg_Dbg( &sys.demuxer, "|   + Genres" );
3866                     ep->Down();
3867                     while( ( el = ep->Get() ) != NULL )
3868                     {
3869                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3870                     }
3871                     ep->Up();
3872                 }
3873                 else if( MKV_IS_ID( el, KaxTagAudioSpecific ) )
3874                 {
3875                     msg_Dbg( &sys.demuxer, "|   + Audio Specific" );
3876                     ep->Down();
3877                     while( ( el = ep->Get() ) != NULL )
3878                     {
3879                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3880                     }
3881                     ep->Up();
3882                 }
3883                 else if( MKV_IS_ID( el, KaxTagImageSpecific ) )
3884                 {
3885                     msg_Dbg( &sys.demuxer, "|   + Images Specific" );
3886                     ep->Down();
3887                     while( ( el = ep->Get() ) != NULL )
3888                     {
3889                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3890                     }
3891                     ep->Up();
3892                 }
3893                 else if( MKV_IS_ID( el, KaxTagMultiComment ) )
3894                 {
3895                     msg_Dbg( &sys.demuxer, "|   + Multi Comment" );
3896                 }
3897                 else if( MKV_IS_ID( el, KaxTagMultiCommercial ) )
3898                 {
3899                     msg_Dbg( &sys.demuxer, "|   + Multi Commercial" );
3900                 }
3901                 else if( MKV_IS_ID( el, KaxTagMultiDate ) )
3902                 {
3903                     msg_Dbg( &sys.demuxer, "|   + Multi Date" );
3904                 }
3905                 else if( MKV_IS_ID( el, KaxTagMultiEntity ) )
3906                 {
3907                     msg_Dbg( &sys.demuxer, "|   + Multi Entity" );
3908                 }
3909                 else if( MKV_IS_ID( el, KaxTagMultiIdentifier ) )
3910                 {
3911                     msg_Dbg( &sys.demuxer, "|   + Multi Identifier" );
3912                 }
3913                 else if( MKV_IS_ID( el, KaxTagMultiLegal ) )
3914                 {
3915                     msg_Dbg( &sys.demuxer, "|   + Multi Legal" );
3916                 }
3917                 else if( MKV_IS_ID( el, KaxTagMultiTitle ) )
3918                 {
3919                     msg_Dbg( &sys.demuxer, "|   + Multi Title" );
3920                 }
3921                 else
3922                 {
3923                     msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid( *el ).name() );
3924                 }
3925             }
3926             ep->Up();
3927         }
3928         else
3929         {
3930             msg_Dbg( &sys.demuxer, "+ Unknown (%s)", typeid( *el ).name() );
3931         }
3932     }
3933     delete ep;
3934     delete tags;
3935
3936     msg_Dbg( &sys.demuxer, "loading tags done." );
3937     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3938 }
3939
3940 /*****************************************************************************
3941  * ParseSeekHead:
3942  *****************************************************************************/
3943 void matroska_segment_c::ParseSeekHead( KaxSeekHead *seekhead )
3944 {
3945     EbmlElement *el;
3946     size_t i, j;
3947     int i_upper_level = 0;
3948
3949     msg_Dbg( &sys.demuxer, "|   + Seek head" );
3950
3951     /* Master elements */
3952     seekhead->Read( es, seekhead->Generic().Context, i_upper_level, el, true );
3953
3954     for( i = 0; i < seekhead->ListSize(); i++ )
3955     {
3956         EbmlElement *l = (*seekhead)[i];
3957
3958         if( MKV_IS_ID( l, KaxSeek ) )
3959         {
3960             EbmlMaster *sk = static_cast<EbmlMaster *>(l);
3961             EbmlId id = EbmlVoid::ClassInfos.GlobalId;
3962             int64_t i_pos = -1;
3963
3964             for( j = 0; j < sk->ListSize(); j++ )
3965             {
3966                 EbmlElement *l = (*sk)[j];
3967
3968                 if( MKV_IS_ID( l, KaxSeekID ) )
3969                 {
3970                     KaxSeekID &sid = *(KaxSeekID*)l;
3971                     id = EbmlId( sid.GetBuffer(), sid.GetSize() );
3972                 }
3973                 else if( MKV_IS_ID( l, KaxSeekPosition ) )
3974                 {
3975                     KaxSeekPosition &spos = *(KaxSeekPosition*)l;
3976                     i_pos = uint64( spos );
3977                 }
3978                 else
3979                 {
3980                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
3981                 }
3982             }
3983
3984             if( i_pos >= 0 )
3985             {
3986                 if( id == KaxCues::ClassInfos.GlobalId )
3987                 {
3988                     msg_Dbg( &sys.demuxer, "|   |   |   = cues at "I64Fd, i_pos );
3989                     i_cues_position = segment->GetGlobalPosition( i_pos );
3990                 }
3991                 else if( id == KaxChapters::ClassInfos.GlobalId )
3992                 {
3993                     msg_Dbg( &sys.demuxer, "|   |   |   = chapters at "I64Fd, i_pos );
3994                     i_chapters_position = segment->GetGlobalPosition( i_pos );
3995                 }
3996                 else if( id == KaxTags::ClassInfos.GlobalId )
3997                 {
3998                     msg_Dbg( &sys.demuxer, "|   |   |   = tags at "I64Fd, i_pos );
3999                     i_tags_position = segment->GetGlobalPosition( i_pos );
4000                 }
4001             }
4002         }
4003         else
4004         {
4005             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4006         }
4007     }
4008 }
4009
4010 /*****************************************************************************
4011  * ParseTrackEntry:
4012  *****************************************************************************/
4013 void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
4014 {
4015     size_t i, j, k, n;
4016     bool bSupported = true;
4017
4018     mkv_track_t *tk;
4019
4020     msg_Dbg( &sys.demuxer, "|   |   + Track Entry" );
4021
4022     tk = new mkv_track_t();
4023
4024     /* Init the track */
4025     memset( tk, 0, sizeof( mkv_track_t ) );
4026
4027     es_format_Init( &tk->fmt, UNKNOWN_ES, 0 );
4028     tk->fmt.psz_language = strdup("English");
4029     tk->fmt.psz_description = NULL;
4030
4031     tk->b_default = VLC_TRUE;
4032     tk->b_enabled = VLC_TRUE;
4033     tk->b_silent = VLC_FALSE;
4034     tk->i_number = tracks.size() - 1;
4035     tk->i_extra_data = 0;
4036     tk->p_extra_data = NULL;
4037     tk->psz_codec = NULL;
4038     tk->i_default_duration = 0;
4039     tk->f_timecodescale = 1.0;
4040
4041     tk->b_inited = VLC_FALSE;
4042     tk->i_data_init = 0;
4043     tk->p_data_init = NULL;
4044
4045     tk->psz_codec_name = NULL;
4046     tk->psz_codec_settings = NULL;
4047     tk->psz_codec_info_url = NULL;
4048     tk->psz_codec_download_url = NULL;
4049
4050     tk->i_compression_type = MATROSKA_COMPRESSION_NONE;
4051     tk->p_compression_data = NULL;
4052
4053     for( i = 0; i < m->ListSize(); i++ )
4054     {
4055         EbmlElement *l = (*m)[i];
4056
4057         if( MKV_IS_ID( l, KaxTrackNumber ) )
4058         {
4059             KaxTrackNumber &tnum = *(KaxTrackNumber*)l;
4060
4061             tk->i_number = uint32( tnum );
4062             msg_Dbg( &sys.demuxer, "|   |   |   + Track Number=%u", uint32( tnum ) );
4063         }
4064         else  if( MKV_IS_ID( l, KaxTrackUID ) )
4065         {
4066             KaxTrackUID &tuid = *(KaxTrackUID*)l;
4067
4068             msg_Dbg( &sys.demuxer, "|   |   |   + Track UID=%u",  uint32( tuid ) );
4069         }
4070         else  if( MKV_IS_ID( l, KaxTrackType ) )
4071         {
4072             char *psz_type;
4073             KaxTrackType &ttype = *(KaxTrackType*)l;
4074
4075             switch( uint8(ttype) )
4076             {
4077                 case track_audio:
4078                     psz_type = "audio";
4079                     tk->fmt.i_cat = AUDIO_ES;
4080                     break;
4081                 case track_video:
4082                     psz_type = "video";
4083                     tk->fmt.i_cat = VIDEO_ES;
4084                     break;
4085                 case track_subtitle:
4086                     psz_type = "subtitle";
4087                     tk->fmt.i_cat = SPU_ES;
4088                     break;
4089                 case track_buttons:
4090                     psz_type = "buttons";
4091                     tk->fmt.i_cat = SPU_ES;
4092                     break;
4093                 default:
4094                     psz_type = "unknown";
4095                     tk->fmt.i_cat = UNKNOWN_ES;
4096                     break;
4097             }
4098
4099             msg_Dbg( &sys.demuxer, "|   |   |   + Track Type=%s", psz_type );
4100         }
4101 //        else  if( EbmlId( *l ) == KaxTrackFlagEnabled::ClassInfos.GlobalId )
4102 //        {
4103 //            KaxTrackFlagEnabled &fenb = *(KaxTrackFlagEnabled*)l;
4104
4105 //            tk->b_enabled = uint32( fenb );
4106 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Enabled=%u",
4107 //                     uint32( fenb )  );
4108 //        }
4109         else  if( MKV_IS_ID( l, KaxTrackFlagDefault ) )
4110         {
4111             KaxTrackFlagDefault &fdef = *(KaxTrackFlagDefault*)l;
4112
4113             tk->b_default = uint32( fdef );
4114             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default=%u", uint32( fdef )  );
4115         }
4116         else  if( MKV_IS_ID( l, KaxTrackFlagLacing ) )
4117         {
4118             KaxTrackFlagLacing &lac = *(KaxTrackFlagLacing*)l;
4119
4120             msg_Dbg( &sys.demuxer, "|   |   |   + Track Lacing=%d", uint32( lac ) );
4121         }
4122         else  if( MKV_IS_ID( l, KaxTrackMinCache ) )
4123         {
4124             KaxTrackMinCache &cmin = *(KaxTrackMinCache*)l;
4125
4126             msg_Dbg( &sys.demuxer, "|   |   |   + Track MinCache=%d", uint32( cmin ) );
4127         }
4128         else  if( MKV_IS_ID( l, KaxTrackMaxCache ) )
4129         {
4130             KaxTrackMaxCache &cmax = *(KaxTrackMaxCache*)l;
4131
4132             msg_Dbg( &sys.demuxer, "|   |   |   + Track MaxCache=%d", uint32( cmax ) );
4133         }
4134         else  if( MKV_IS_ID( l, KaxTrackDefaultDuration ) )
4135         {
4136             KaxTrackDefaultDuration &defd = *(KaxTrackDefaultDuration*)l;
4137
4138             tk->i_default_duration = uint64(defd);
4139             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default Duration="I64Fd, uint64(defd) );
4140         }
4141         else  if( MKV_IS_ID( l, KaxTrackTimecodeScale ) )
4142         {
4143             KaxTrackTimecodeScale &ttcs = *(KaxTrackTimecodeScale*)l;
4144
4145             tk->f_timecodescale = float( ttcs );
4146             msg_Dbg( &sys.demuxer, "|   |   |   + Track TimeCodeScale=%f", tk->f_timecodescale );
4147         }
4148         else if( MKV_IS_ID( l, KaxTrackName ) )
4149         {
4150             KaxTrackName &tname = *(KaxTrackName*)l;
4151
4152             tk->fmt.psz_description = ToUTF8( UTFstring( tname ) );
4153             msg_Dbg( &sys.demuxer, "|   |   |   + Track Name=%s", tk->fmt.psz_description );
4154         }
4155         else  if( MKV_IS_ID( l, KaxTrackLanguage ) )
4156         {
4157             KaxTrackLanguage &lang = *(KaxTrackLanguage*)l;
4158
4159             if ( tk->fmt.psz_language != NULL )
4160                 free( tk->fmt.psz_language );
4161             tk->fmt.psz_language = strdup( string( lang ).c_str() );
4162             msg_Dbg( &sys.demuxer,
4163                      "|   |   |   + Track Language=`%s'", tk->fmt.psz_language );
4164         }
4165         else  if( MKV_IS_ID( l, KaxCodecID ) )
4166         {
4167             KaxCodecID &codecid = *(KaxCodecID*)l;
4168
4169             tk->psz_codec = strdup( string( codecid ).c_str() );
4170             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecId=%s", string( codecid ).c_str() );
4171         }
4172         else  if( MKV_IS_ID( l, KaxCodecPrivate ) )
4173         {
4174             KaxCodecPrivate &cpriv = *(KaxCodecPrivate*)l;
4175
4176             tk->i_extra_data = cpriv.GetSize();
4177             if( tk->i_extra_data > 0 )
4178             {
4179                 tk->p_extra_data = (uint8_t*)malloc( tk->i_extra_data );
4180                 memcpy( tk->p_extra_data, cpriv.GetBuffer(), tk->i_extra_data );
4181             }
4182             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecPrivate size="I64Fd, cpriv.GetSize() );
4183         }
4184         else if( MKV_IS_ID( l, KaxCodecName ) )
4185         {
4186             KaxCodecName &cname = *(KaxCodecName*)l;
4187
4188             tk->psz_codec_name = ToUTF8( UTFstring( cname ) );
4189             msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Name=%s", tk->psz_codec_name );
4190         }
4191         else if( MKV_IS_ID( l, KaxContentEncodings ) )
4192         {
4193             EbmlMaster *cencs = static_cast<EbmlMaster*>(l);
4194             MkvTree( sys.demuxer, 3, "Content Encodings" );
4195             if ( cencs->ListSize() > 1 )
4196             {
4197                 msg_Err( &sys.demuxer, "Multiple Compression method not supported" );
4198                 bSupported = false;
4199             }
4200             for( j = 0; j < cencs->ListSize(); j++ )
4201             {
4202                 EbmlElement *l2 = (*cencs)[j];
4203                 if( MKV_IS_ID( l2, KaxContentEncoding ) )
4204                 {
4205                     MkvTree( sys.demuxer, 4, "Content Encoding" );
4206                     EbmlMaster *cenc = static_cast<EbmlMaster*>(l2);
4207                     for( k = 0; k < cenc->ListSize(); k++ )
4208                     {
4209                         EbmlElement *l3 = (*cenc)[k];
4210                         if( MKV_IS_ID( l3, KaxContentEncodingOrder ) )
4211                         {
4212                             KaxContentEncodingOrder &encord = *(KaxContentEncodingOrder*)l3;
4213                             MkvTree( sys.demuxer, 5, "Order: %i", uint32( encord ) );
4214                         }
4215                         else if( MKV_IS_ID( l3, KaxContentEncodingScope ) )
4216                         {
4217                             KaxContentEncodingScope &encscope = *(KaxContentEncodingScope*)l3;
4218                             MkvTree( sys.demuxer, 5, "Scope: %i", uint32( encscope ) );
4219                         }
4220                         else if( MKV_IS_ID( l3, KaxContentEncodingType ) )
4221                         {
4222                             KaxContentEncodingType &enctype = *(KaxContentEncodingType*)l3;
4223                             MkvTree( sys.demuxer, 5, "Type: %i", uint32( enctype ) );
4224                         }
4225                         else if( MKV_IS_ID( l3, KaxContentCompression ) )
4226                         {
4227                             EbmlMaster *compr = static_cast<EbmlMaster*>(l3);
4228                             MkvTree( sys.demuxer, 5, "Content Compression" );
4229                             for( n = 0; n < compr->ListSize(); n++ )
4230                             {
4231                                 EbmlElement *l4 = (*compr)[n];
4232                                 if( MKV_IS_ID( l4, KaxContentCompAlgo ) )
4233                                 {
4234                                     KaxContentCompAlgo &compalg = *(KaxContentCompAlgo*)l4;
4235                                     MkvTree( sys.demuxer, 6, "Compression Algorithm: %i", uint32(compalg) );
4236                                     tk->i_compression_type = uint32( compalg );
4237                                     if ( ( tk->i_compression_type != MATROSKA_COMPRESSION_ZLIB ) &&
4238                                          ( tk->i_compression_type != MATROSKA_COMPRESSION_HEADER ) )
4239                                     {
4240                                         msg_Err( &sys.demuxer, "Track Compression method %d not supported", tk->i_compression_type );
4241                                         bSupported = false;
4242                                     }
4243                                 }
4244                                 else if( MKV_IS_ID( l4, KaxContentCompSettings ) )
4245                                 {
4246                                     tk->p_compression_data = new KaxContentCompSettings( *(KaxContentCompSettings*)l4 );
4247                                 }
4248                                 else
4249                                 {
4250                                     MkvTree( sys.demuxer, 6, "Unknown (%s)", typeid(*l4).name() );
4251                                 }
4252                             }
4253                         }
4254
4255                         else
4256                         {
4257                             MkvTree( sys.demuxer, 5, "Unknown (%s)", typeid(*l3).name() );
4258                         }
4259                     }
4260
4261                 }
4262                 else
4263                 {
4264                     MkvTree( sys.demuxer, 4, "Unknown (%s)", typeid(*l2).name() );
4265                 }
4266             }
4267
4268         }
4269 //        else if( EbmlId( *l ) == KaxCodecSettings::ClassInfos.GlobalId )
4270 //        {
4271 //            KaxCodecSettings &cset = *(KaxCodecSettings*)l;
4272
4273 //            tk->psz_codec_settings = ToUTF8( UTFstring( cset ) );
4274 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Settings=%s", tk->psz_codec_settings );
4275 //        }
4276 //        else if( EbmlId( *l ) == KaxCodecInfoURL::ClassInfos.GlobalId )
4277 //        {
4278 //            KaxCodecInfoURL &ciurl = *(KaxCodecInfoURL*)l;
4279
4280 //            tk->psz_codec_info_url = strdup( string( ciurl ).c_str() );
4281 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_info_url );
4282 //        }
4283 //        else if( EbmlId( *l ) == KaxCodecDownloadURL::ClassInfos.GlobalId )
4284 //        {
4285 //            KaxCodecDownloadURL &cdurl = *(KaxCodecDownloadURL*)l;
4286
4287 //            tk->psz_codec_download_url = strdup( string( cdurl ).c_str() );
4288 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_download_url );
4289 //        }
4290 //        else if( EbmlId( *l ) == KaxCodecDecodeAll::ClassInfos.GlobalId )
4291 //        {
4292 //            KaxCodecDecodeAll &cdall = *(KaxCodecDecodeAll*)l;
4293
4294 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Decode All=%u <== UNUSED", uint8( cdall ) );
4295 //        }
4296 //        else if( EbmlId( *l ) == KaxTrackOverlay::ClassInfos.GlobalId )
4297 //        {
4298 //            KaxTrackOverlay &tovr = *(KaxTrackOverlay*)l;
4299
4300 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Overlay=%u <== UNUSED", uint32( tovr ) );
4301 //        }
4302         else  if( MKV_IS_ID( l, KaxTrackVideo ) )
4303         {
4304             EbmlMaster *tkv = static_cast<EbmlMaster*>(l);
4305             unsigned int j;
4306
4307             msg_Dbg( &sys.demuxer, "|   |   |   + Track Video" );
4308             tk->f_fps = 0.0;
4309
4310             tk->fmt.video.i_frame_rate_base = (unsigned int)(tk->i_default_duration / 1000);
4311             tk->fmt.video.i_frame_rate = 1000000;
4312
4313             for( j = 0; j < tkv->ListSize(); j++ )
4314             {
4315                 EbmlElement *l = (*tkv)[j];
4316 //                if( EbmlId( *el4 ) == KaxVideoFlagInterlaced::ClassInfos.GlobalId )
4317 //                {
4318 //                    KaxVideoFlagInterlaced &fint = *(KaxVideoFlagInterlaced*)el4;
4319
4320 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Interlaced=%u", uint8( fint ) );
4321 //                }
4322 //                else if( EbmlId( *el4 ) == KaxVideoStereoMode::ClassInfos.GlobalId )
4323 //                {
4324 //                    KaxVideoStereoMode &stereo = *(KaxVideoStereoMode*)el4;
4325
4326 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Stereo Mode=%u", uint8( stereo ) );
4327 //                }
4328 //                else
4329                 if( MKV_IS_ID( l, KaxVideoPixelWidth ) )
4330                 {
4331                     KaxVideoPixelWidth &vwidth = *(KaxVideoPixelWidth*)l;
4332
4333                     tk->fmt.video.i_width += uint16( vwidth );
4334                     msg_Dbg( &sys.demuxer, "|   |   |   |   + width=%d", uint16( vwidth ) );
4335                 }
4336                 else if( MKV_IS_ID( l, KaxVideoPixelHeight ) )
4337                 {
4338                     KaxVideoPixelWidth &vheight = *(KaxVideoPixelWidth*)l;
4339
4340                     tk->fmt.video.i_height += uint16( vheight );
4341                     msg_Dbg( &sys.demuxer, "|   |   |   |   + height=%d", uint16( vheight ) );
4342                 }
4343                 else if( MKV_IS_ID( l, KaxVideoDisplayWidth ) )
4344                 {
4345                     KaxVideoDisplayWidth &vwidth = *(KaxVideoDisplayWidth*)l;
4346
4347                     tk->fmt.video.i_visible_width = uint16( vwidth );
4348                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display width=%d", uint16( vwidth ) );
4349                 }
4350                 else if( MKV_IS_ID( l, KaxVideoDisplayHeight ) )
4351                 {
4352                     KaxVideoDisplayWidth &vheight = *(KaxVideoDisplayWidth*)l;
4353
4354                     tk->fmt.video.i_visible_height = uint16( vheight );
4355                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display height=%d", uint16( vheight ) );
4356                 }
4357                 else if( MKV_IS_ID( l, KaxVideoPixelCropBottom ) )
4358                 {
4359                     KaxVideoPixelCropBottom &cropval = *(KaxVideoPixelCropBottom*)l;
4360
4361                     tk->fmt.video.i_height -= uint16( cropval );
4362                     msg_Dbg( &sys.demuxer, "|   |   |   |   + crop pixel bottom=%d", uint16( cropval ) );
4363                 }
4364                 else if( MKV_IS_ID( l, KaxVideoPixelCropTop ) )
4365                 {
4366                     KaxVideoPixelCropTop &cropval = *(KaxVideoPixelCropTop*)l;
4367
4368                     tk->fmt.video.i_height -= uint16( cropval );
4369                     tk->fmt.video.i_y_offset += uint16( cropval );
4370                     msg_Dbg( &sys.demuxer, "|   |   |   |   + crop pixel top=%d", uint16( cropval ) );
4371                 }
4372                 else if( MKV_IS_ID( l, KaxVideoPixelCropRight ) )
4373                 {
4374                     KaxVideoPixelCropRight &cropval = *(KaxVideoPixelCropRight*)l;
4375
4376                     tk->fmt.video.i_width -= uint16( cropval );
4377                     msg_Dbg( &sys.demuxer, "|   |   |   |   + crop pixel right=%d", uint16( cropval ) );
4378                 }
4379                 else if( MKV_IS_ID( l, KaxVideoPixelCropLeft ) )
4380                 {
4381                     KaxVideoPixelCropLeft &cropval = *(KaxVideoPixelCropLeft*)l;
4382
4383                     tk->fmt.video.i_width -= uint16( cropval );
4384                     tk->fmt.video.i_x_offset += uint16( cropval );
4385                     msg_Dbg( &sys.demuxer, "|   |   |   |   + crop pixel left=%d", uint16( cropval ) );
4386                 }
4387                 else if( MKV_IS_ID( l, KaxVideoFrameRate ) )
4388                 {
4389                     KaxVideoFrameRate &vfps = *(KaxVideoFrameRate*)l;
4390
4391                     tk->f_fps = float( vfps );
4392                     msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( vfps ) );
4393                 }
4394 //                else if( EbmlId( *l ) == KaxVideoDisplayUnit::ClassInfos.GlobalId )
4395 //                {
4396 //                     KaxVideoDisplayUnit &vdmode = *(KaxVideoDisplayUnit*)l;
4397
4398 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Display Unit=%s",
4399 //                             uint8( vdmode ) == 0 ? "pixels" : ( uint8( vdmode ) == 1 ? "centimeters": "inches" ) );
4400 //                }
4401 //                else if( EbmlId( *l ) == KaxVideoAspectRatio::ClassInfos.GlobalId )
4402 //                {
4403 //                    KaxVideoAspectRatio &ratio = *(KaxVideoAspectRatio*)l;
4404
4405 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + Track Video Aspect Ratio Type=%u", uint8( ratio ) );
4406 //                }
4407 //                else if( EbmlId( *l ) == KaxVideoGamma::ClassInfos.GlobalId )
4408 //                {
4409 //                    KaxVideoGamma &gamma = *(KaxVideoGamma*)l;
4410
4411 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( gamma ) );
4412 //                }
4413                 else
4414                 {
4415                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4416                 }
4417             }
4418             if ( tk->fmt.video.i_visible_height && tk->fmt.video.i_visible_width )
4419                 tk->fmt.video.i_aspect = VOUT_ASPECT_FACTOR * tk->fmt.video.i_visible_width / tk->fmt.video.i_visible_height;
4420         }
4421         else  if( MKV_IS_ID( l, KaxTrackAudio ) )
4422         {
4423             EbmlMaster *tka = static_cast<EbmlMaster*>(l);
4424             unsigned int j;
4425
4426             msg_Dbg( &sys.demuxer, "|   |   |   + Track Audio" );
4427
4428             for( j = 0; j < tka->ListSize(); j++ )
4429             {
4430                 EbmlElement *l = (*tka)[j];
4431
4432                 if( MKV_IS_ID( l, KaxAudioSamplingFreq ) )
4433                 {
4434                     KaxAudioSamplingFreq &afreq = *(KaxAudioSamplingFreq*)l;
4435
4436                     tk->i_original_rate = tk->fmt.audio.i_rate = (int)float( afreq );
4437                     msg_Dbg( &sys.demuxer, "|   |   |   |   + afreq=%d", tk->fmt.audio.i_rate );
4438                 }
4439                 else if( MKV_IS_ID( l, KaxAudioOutputSamplingFreq ) )
4440                 {
4441                     KaxAudioOutputSamplingFreq &afreq = *(KaxAudioOutputSamplingFreq*)l;
4442
4443                     tk->fmt.audio.i_rate = (int)float( afreq );
4444                     msg_Dbg( &sys.demuxer, "|   |   |   |   + aoutfreq=%d", tk->fmt.audio.i_rate );
4445                 }
4446                 else if( MKV_IS_ID( l, KaxAudioChannels ) )
4447                 {
4448                     KaxAudioChannels &achan = *(KaxAudioChannels*)l;
4449
4450                     tk->fmt.audio.i_channels = uint8( achan );
4451                     msg_Dbg( &sys.demuxer, "|   |   |   |   + achan=%u", uint8( achan ) );
4452                 }
4453                 else if( MKV_IS_ID( l, KaxAudioBitDepth ) )
4454                 {
4455                     KaxAudioBitDepth &abits = *(KaxAudioBitDepth*)l;
4456
4457                     tk->fmt.audio.i_bitspersample = uint8( abits );
4458                     msg_Dbg( &sys.demuxer, "|   |   |   |   + abits=%u", uint8( abits ) );
4459                 }
4460                 else
4461                 {
4462                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4463                 }
4464             }
4465         }
4466         else
4467         {
4468             msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)",
4469                      typeid(*l).name() );
4470         }
4471     }
4472
4473     if ( bSupported )
4474     {
4475         tracks.push_back( tk );
4476     }
4477     else
4478     {
4479         msg_Err( &sys.demuxer, "Track Entry %d not supported", tk->i_number );
4480         delete tk;
4481     }
4482 }
4483
4484 /*****************************************************************************
4485  * ParseTracks:
4486  *****************************************************************************/
4487 void matroska_segment_c::ParseTracks( KaxTracks *tracks )
4488 {
4489     EbmlElement *el;
4490     unsigned int i;
4491     int i_upper_level = 0;
4492
4493     msg_Dbg( &sys.demuxer, "|   + Tracks" );
4494
4495     /* Master elements */
4496     tracks->Read( es, tracks->Generic().Context, i_upper_level, el, true );
4497
4498     for( i = 0; i < tracks->ListSize(); i++ )
4499     {
4500         EbmlElement *l = (*tracks)[i];
4501
4502         if( MKV_IS_ID( l, KaxTrackEntry ) )
4503         {
4504             ParseTrackEntry( static_cast<KaxTrackEntry *>(l) );
4505         }
4506         else
4507         {
4508             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4509         }
4510     }
4511 }
4512
4513 /*****************************************************************************
4514  * ParseInfo:
4515  *****************************************************************************/
4516 void matroska_segment_c::ParseInfo( KaxInfo *info )
4517 {
4518     EbmlElement *el;
4519     EbmlMaster  *m;
4520     size_t i, j;
4521     int i_upper_level = 0;
4522
4523     msg_Dbg( &sys.demuxer, "|   + Information" );
4524
4525     /* Master elements */
4526     m = static_cast<EbmlMaster *>(info);
4527     m->Read( es, info->Generic().Context, i_upper_level, el, true );
4528
4529     for( i = 0; i < m->ListSize(); i++ )
4530     {
4531         EbmlElement *l = (*m)[i];
4532
4533         if( MKV_IS_ID( l, KaxSegmentUID ) )
4534         {
4535             if ( p_segment_uid == NULL )
4536                 p_segment_uid = new KaxSegmentUID(*static_cast<KaxSegmentUID*>(l));
4537
4538             msg_Dbg( &sys.demuxer, "|   |   + UID=%d", *(uint32*)p_segment_uid->GetBuffer() );
4539         }
4540         else if( MKV_IS_ID( l, KaxPrevUID ) )
4541         {
4542             if ( p_prev_segment_uid == NULL )
4543                 p_prev_segment_uid = new KaxPrevUID(*static_cast<KaxPrevUID*>(l));
4544
4545             msg_Dbg( &sys.demuxer, "|   |   + PrevUID=%d", *(uint32*)p_prev_segment_uid->GetBuffer() );
4546         }
4547         else if( MKV_IS_ID( l, KaxNextUID ) )
4548         {
4549             if ( p_next_segment_uid == NULL )
4550                 p_next_segment_uid = new KaxNextUID(*static_cast<KaxNextUID*>(l));
4551
4552             msg_Dbg( &sys.demuxer, "|   |   + NextUID=%d", *(uint32*)p_next_segment_uid->GetBuffer() );
4553         }
4554         else if( MKV_IS_ID( l, KaxTimecodeScale ) )
4555         {
4556             KaxTimecodeScale &tcs = *(KaxTimecodeScale*)l;
4557
4558             i_timescale = uint64(tcs);
4559
4560             msg_Dbg( &sys.demuxer, "|   |   + TimecodeScale="I64Fd,
4561                      i_timescale );
4562         }
4563         else if( MKV_IS_ID( l, KaxDuration ) )
4564         {
4565             KaxDuration &dur = *(KaxDuration*)l;
4566
4567             i_duration = mtime_t( double( dur ) );
4568
4569             msg_Dbg( &sys.demuxer, "|   |   + Duration="I64Fd,
4570                      i_duration );
4571         }
4572         else if( MKV_IS_ID( l, KaxMuxingApp ) )
4573         {
4574             KaxMuxingApp &mapp = *(KaxMuxingApp*)l;
4575
4576             psz_muxing_application = ToUTF8( UTFstring( mapp ) );
4577
4578             msg_Dbg( &sys.demuxer, "|   |   + Muxing Application=%s",
4579                      psz_muxing_application );
4580         }
4581         else if( MKV_IS_ID( l, KaxWritingApp ) )
4582         {
4583             KaxWritingApp &wapp = *(KaxWritingApp*)l;
4584
4585             psz_writing_application = ToUTF8( UTFstring( wapp ) );
4586
4587             msg_Dbg( &sys.demuxer, "|   |   + Writing Application=%s",
4588                      psz_writing_application );
4589         }
4590         else if( MKV_IS_ID( l, KaxSegmentFilename ) )
4591         {
4592             KaxSegmentFilename &sfn = *(KaxSegmentFilename*)l;
4593
4594             psz_segment_filename = ToUTF8( UTFstring( sfn ) );
4595
4596             msg_Dbg( &sys.demuxer, "|   |   + Segment Filename=%s",
4597                      psz_segment_filename );
4598         }
4599         else if( MKV_IS_ID( l, KaxTitle ) )
4600         {
4601             KaxTitle &title = *(KaxTitle*)l;
4602
4603             psz_title = ToUTF8( UTFstring( title ) );
4604
4605             msg_Dbg( &sys.demuxer, "|   |   + Title=%s", psz_title );
4606         }
4607         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
4608         {
4609             KaxSegmentFamily *uid = static_cast<KaxSegmentFamily*>(l);
4610
4611             families.push_back( new KaxSegmentFamily(*uid) );
4612
4613             msg_Dbg( &sys.demuxer, "|   |   + family=%d", *(uint32*)uid->GetBuffer() );
4614         }
4615 #if defined( HAVE_GMTIME_R ) && !defined( SYS_DARWIN )
4616         else if( MKV_IS_ID( l, KaxDateUTC ) )
4617         {
4618             KaxDateUTC &date = *(KaxDateUTC*)l;
4619             time_t i_date;
4620             struct tm tmres;
4621             char   buffer[256];
4622
4623             i_date = date.GetEpochDate();
4624             memset( buffer, 0, 256 );
4625             if( gmtime_r( &i_date, &tmres ) &&
4626                 asctime_r( &tmres, buffer ) )
4627             {
4628                 buffer[strlen( buffer)-1]= '\0';
4629                 psz_date_utc = strdup( buffer );
4630                 msg_Dbg( &sys.demuxer, "|   |   + Date=%s", psz_date_utc );
4631             }
4632         }
4633 #endif
4634 #if LIBMATROSKA_VERSION >= 0x000704
4635         else if( MKV_IS_ID( l, KaxChapterTranslate ) )
4636         {
4637             KaxChapterTranslate *p_trans = static_cast<KaxChapterTranslate*>( l );
4638             chapter_translation_c *p_translate = new chapter_translation_c();
4639
4640             p_trans->Read( es, p_trans->Generic().Context, i_upper_level, el, true );
4641             for( j = 0; j < p_trans->ListSize(); j++ )
4642             {
4643                 EbmlElement *l = (*p_trans)[j];
4644
4645                 if( MKV_IS_ID( l, KaxChapterTranslateEditionUID ) )
4646                 {
4647                     p_translate->editions.push_back( uint64( *static_cast<KaxChapterTranslateEditionUID*>( l ) ) );
4648                 }
4649                 else if( MKV_IS_ID( l, KaxChapterTranslateCodec ) )
4650                 {
4651                     p_translate->codec_id = uint32( *static_cast<KaxChapterTranslateCodec*>( l ) );
4652                 }
4653                 else if( MKV_IS_ID( l, KaxChapterTranslateID ) )
4654                 {
4655                     p_translate->p_translated = new KaxChapterTranslateID( *static_cast<KaxChapterTranslateID*>( l ) );
4656                 }
4657             }
4658
4659             translations.push_back( p_translate );
4660         }
4661 #endif
4662         else
4663         {
4664             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4665         }
4666     }
4667
4668     double f_dur = double(i_duration) * double(i_timescale) / 1000000.0;
4669     i_duration = mtime_t(f_dur);
4670 }
4671
4672
4673 /*****************************************************************************
4674  * ParseChapterAtom
4675  *****************************************************************************/
4676 void matroska_segment_c::ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters )
4677 {
4678     size_t i, j;
4679
4680     msg_Dbg( &sys.demuxer, "|   |   |   + ChapterAtom (level=%d)", i_level );
4681     for( i = 0; i < ca->ListSize(); i++ )
4682     {
4683         EbmlElement *l = (*ca)[i];
4684
4685         if( MKV_IS_ID( l, KaxChapterUID ) )
4686         {
4687             chapters.i_uid = uint64_t(*(KaxChapterUID*)l);
4688             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterUID: %lld", chapters.i_uid );
4689         }
4690         else if( MKV_IS_ID( l, KaxChapterFlagHidden ) )
4691         {
4692             KaxChapterFlagHidden &flag =*(KaxChapterFlagHidden*)l;
4693             chapters.b_display_seekpoint = uint8( flag ) == 0;
4694
4695             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterFlagHidden: %s", chapters.b_display_seekpoint ? "no":"yes" );
4696         }
4697         else if( MKV_IS_ID( l, KaxChapterTimeStart ) )
4698         {
4699             KaxChapterTimeStart &start =*(KaxChapterTimeStart*)l;
4700             chapters.i_start_time = uint64( start ) / I64C(1000);
4701
4702             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeStart: %lld", chapters.i_start_time );
4703         }
4704         else if( MKV_IS_ID( l, KaxChapterTimeEnd ) )
4705         {
4706             KaxChapterTimeEnd &end =*(KaxChapterTimeEnd*)l;
4707             chapters.i_end_time = uint64( end ) / I64C(1000);
4708
4709             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeEnd: %lld", chapters.i_end_time );
4710         }
4711         else if( MKV_IS_ID( l, KaxChapterDisplay ) )
4712         {
4713             EbmlMaster *cd = static_cast<EbmlMaster *>(l);
4714
4715             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterDisplay" );
4716             for( j = 0; j < cd->ListSize(); j++ )
4717             {
4718                 EbmlElement *l= (*cd)[j];
4719
4720                 if( MKV_IS_ID( l, KaxChapterString ) )
4721                 {
4722                     int k;
4723
4724                     KaxChapterString &name =*(KaxChapterString*)l;
4725                     for (k = 0; k < i_level; k++)
4726                         chapters.psz_name += '+';
4727                     chapters.psz_name += ' ';
4728                     char *psz_tmp_utf8 = ToUTF8( UTFstring( name ) );
4729                     chapters.psz_name += psz_tmp_utf8;
4730                     chapters.b_user_display = true;
4731
4732                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterString '%s'", psz_tmp_utf8 );
4733                     free( psz_tmp_utf8 );
4734                 }
4735                 else if( MKV_IS_ID( l, KaxChapterLanguage ) )
4736                 {
4737                     KaxChapterLanguage &lang =*(KaxChapterLanguage*)l;
4738                     const char *psz = string( lang ).c_str();
4739
4740                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterLanguage '%s'", psz );
4741                 }
4742                 else if( MKV_IS_ID( l, KaxChapterCountry ) )
4743                 {
4744                     KaxChapterCountry &ct =*(KaxChapterCountry*)l;
4745                     const char *psz = string( ct ).c_str();
4746
4747                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterCountry '%s'", psz );
4748                 }
4749             }
4750         }
4751         else if( MKV_IS_ID( l, KaxChapterProcess ) )
4752         {
4753             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterProcess" );
4754
4755             KaxChapterProcess *cp = static_cast<KaxChapterProcess *>(l);
4756             chapter_codec_cmds_c *p_ccodec = NULL;
4757
4758             for( j = 0; j < cp->ListSize(); j++ )
4759             {
4760                 EbmlElement *k= (*cp)[j];
4761
4762                 if( MKV_IS_ID( k, KaxChapterProcessCodecID ) )
4763                 {
4764                     KaxChapterProcessCodecID *p_codec_id = static_cast<KaxChapterProcessCodecID*>( k );
4765                     if ( uint32(*p_codec_id) == 0 )
4766                         p_ccodec = new matroska_script_codec_c( sys );
4767                     else if ( uint32(*p_codec_id) == 1 )
4768                         p_ccodec = new dvd_chapter_codec_c( sys );
4769                     break;
4770                 }
4771             }
4772
4773             if ( p_ccodec != NULL )
4774             {
4775                 for( j = 0; j < cp->ListSize(); j++ )
4776                 {
4777                     EbmlElement *k= (*cp)[j];
4778
4779                     if( MKV_IS_ID( k, KaxChapterProcessPrivate ) )
4780                     {
4781                         KaxChapterProcessPrivate * p_private = static_cast<KaxChapterProcessPrivate*>( k );
4782                         p_ccodec->SetPrivate( *p_private );
4783                     }
4784                     else if( MKV_IS_ID( k, KaxChapterProcessCommand ) )
4785                     {
4786                         p_ccodec->AddCommand( *static_cast<KaxChapterProcessCommand*>( k ) );
4787                     }
4788                 }
4789                 chapters.codecs.push_back( p_ccodec );
4790             }
4791         }
4792         else if( MKV_IS_ID( l, KaxChapterAtom ) )
4793         {
4794             chapter_item_c *new_sub_chapter = new chapter_item_c();
4795             ParseChapterAtom( i_level+1, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4796             new_sub_chapter->psz_parent = &chapters;
4797             chapters.sub_chapters.push_back( new_sub_chapter );
4798         }
4799     }
4800 }
4801
4802 /*****************************************************************************
4803  * ParseChapters:
4804  *****************************************************************************/
4805 void matroska_segment_c::ParseChapters( KaxChapters *chapters )
4806 {
4807     EbmlElement *el;
4808     size_t i;
4809     int i_upper_level = 0;
4810     mtime_t i_dur;
4811
4812     /* Master elements */
4813     chapters->Read( es, chapters->Generic().Context, i_upper_level, el, true );
4814
4815     for( i = 0; i < chapters->ListSize(); i++ )
4816     {
4817         EbmlElement *l = (*chapters)[i];
4818
4819         if( MKV_IS_ID( l, KaxEditionEntry ) )
4820         {
4821             chapter_edition_c *p_edition = new chapter_edition_c();
4822
4823             EbmlMaster *E = static_cast<EbmlMaster *>(l );
4824             size_t j;
4825             msg_Dbg( &sys.demuxer, "|   |   + EditionEntry" );
4826             for( j = 0; j < E->ListSize(); j++ )
4827             {
4828                 EbmlElement *l = (*E)[j];
4829
4830                 if( MKV_IS_ID( l, KaxChapterAtom ) )
4831                 {
4832                     chapter_item_c *new_sub_chapter = new chapter_item_c();
4833                     ParseChapterAtom( 0, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4834                     p_edition->sub_chapters.push_back( new_sub_chapter );
4835                 }
4836                 else if( MKV_IS_ID( l, KaxEditionUID ) )
4837                 {
4838                     p_edition->i_uid = uint64(*static_cast<KaxEditionUID *>( l ));
4839                 }
4840                 else if( MKV_IS_ID( l, KaxEditionFlagOrdered ) )
4841                 {
4842                     p_edition->b_ordered = config_GetInt( &sys.demuxer, "mkv-use-ordered-chapters" ) ? (uint8(*static_cast<KaxEditionFlagOrdered *>( l )) != 0) : 0;
4843                 }
4844                 else if( MKV_IS_ID( l, KaxEditionFlagDefault ) )
4845                 {
4846                     if (uint8(*static_cast<KaxEditionFlagDefault *>( l )) != 0)
4847                         i_default_edition = stored_editions.size();
4848                 }
4849                 else
4850                 {
4851                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
4852                 }
4853             }
4854             stored_editions.push_back( p_edition );
4855         }
4856         else
4857         {
4858             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4859         }
4860     }
4861
4862     for( i = 0; i < stored_editions.size(); i++ )
4863     {
4864         stored_editions[i]->RefreshChapters( );
4865     }
4866
4867     if ( stored_editions.size() != 0 && stored_editions[i_default_edition]->b_ordered )
4868     {
4869         /* update the duration of the segment according to the sum of all sub chapters */
4870         i_dur = stored_editions[i_default_edition]->Duration() / I64C(1000);
4871         if (i_dur > 0)
4872             i_duration = i_dur;
4873     }
4874 }
4875
4876 void matroska_segment_c::ParseCluster( )
4877 {
4878     EbmlElement *el;
4879     EbmlMaster  *m;
4880     unsigned int i;
4881     int i_upper_level = 0;
4882
4883     /* Master elements */
4884     m = static_cast<EbmlMaster *>( cluster );
4885     m->Read( es, cluster->Generic().Context, i_upper_level, el, true );
4886
4887     for( i = 0; i < m->ListSize(); i++ )
4888     {
4889         EbmlElement *l = (*m)[i];
4890
4891         if( MKV_IS_ID( l, KaxClusterTimecode ) )
4892         {
4893             KaxClusterTimecode &ctc = *(KaxClusterTimecode*)l;
4894
4895             cluster->InitTimecode( uint64( ctc ), i_timescale );
4896             break;
4897         }
4898     }
4899
4900     i_start_time = cluster->GlobalTimecode() / 1000;
4901 }
4902
4903 /*****************************************************************************
4904  * InformationCreate:
4905  *****************************************************************************/
4906 void matroska_segment_c::InformationCreate( )
4907 {
4908     size_t      i_track;
4909
4910     sys.meta = vlc_meta_New();
4911
4912     if( psz_title )
4913     {
4914         vlc_meta_Add( sys.meta, VLC_META_TITLE, psz_title );
4915     }
4916     if( psz_date_utc )
4917     {
4918         vlc_meta_Add( sys.meta, VLC_META_DATE, psz_date_utc );
4919     }
4920     if( psz_segment_filename )
4921     {
4922         vlc_meta_Add( sys.meta, _("Segment filename"), psz_segment_filename );
4923     }
4924     if( psz_muxing_application )
4925     {
4926         vlc_meta_Add( sys.meta, _("Muxing application"), psz_muxing_application );
4927     }
4928     if( psz_writing_application )
4929     {
4930         vlc_meta_Add( sys.meta, _("Writing application"), psz_writing_application );
4931     }
4932
4933     for( i_track = 0; i_track < tracks.size(); i_track++ )
4934     {
4935         mkv_track_t *tk = tracks[i_track];
4936         vlc_meta_t *mtk = vlc_meta_New();
4937
4938         sys.meta->track = (vlc_meta_t**)realloc( sys.meta->track,
4939                                                     sizeof( vlc_meta_t * ) * ( sys.meta->i_track + 1 ) );
4940         sys.meta->track[sys.meta->i_track++] = mtk;
4941
4942         if( tk->fmt.psz_description )
4943         {
4944             vlc_meta_Add( sys.meta, VLC_META_DESCRIPTION, tk->fmt.psz_description );
4945         }
4946         if( tk->psz_codec_name )
4947         {
4948             vlc_meta_Add( sys.meta, VLC_META_CODEC_NAME, tk->psz_codec_name );
4949         }
4950         if( tk->psz_codec_settings )
4951         {
4952             vlc_meta_Add( sys.meta, VLC_META_SETTING, tk->psz_codec_settings );
4953         }
4954         if( tk->psz_codec_info_url )
4955         {
4956             vlc_meta_Add( sys.meta, VLC_META_CODEC_DESCRIPTION, tk->psz_codec_info_url );
4957         }
4958         if( tk->psz_codec_download_url )
4959         {
4960             vlc_meta_Add( sys.meta, VLC_META_URL, tk->psz_codec_download_url );
4961         }
4962     }
4963
4964     if( i_tags_position >= 0 )
4965     {
4966         vlc_bool_t b_seekable;
4967
4968         stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
4969         if( b_seekable )
4970         {
4971             LoadTags( );
4972         }
4973     }
4974 }
4975
4976
4977 /*****************************************************************************
4978  * Divers
4979  *****************************************************************************/
4980
4981 void matroska_segment_c::IndexAppendCluster( KaxCluster *cluster )
4982 {
4983 #define idx p_indexes[i_index]
4984     idx.i_track       = -1;
4985     idx.i_block_number= -1;
4986     idx.i_position    = cluster->GetElementPosition();
4987     idx.i_time        = -1;
4988     idx.b_key         = VLC_TRUE;
4989
4990     i_index++;
4991     if( i_index >= i_index_max )
4992     {
4993         i_index_max += 1024;
4994         p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
4995     }
4996 #undef idx
4997 }
4998
4999 void chapter_edition_c::RefreshChapters( )
5000 {
5001     chapter_item_c::RefreshChapters( b_ordered, -1 );
5002     b_display_seekpoint = false;
5003 }
5004
5005 int64_t chapter_item_c::RefreshChapters( bool b_ordered, int64_t i_prev_user_time )
5006 {
5007     int64_t i_user_time = i_prev_user_time;
5008
5009     // first the sub-chapters, and then ourself
5010     std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
5011     while ( index != sub_chapters.end() )
5012     {
5013         i_user_time = (*index)->RefreshChapters( b_ordered, i_user_time );
5014         index++;
5015     }
5016
5017     if ( b_ordered )
5018     {
5019         // the ordered chapters always start at zero
5020         if ( i_prev_user_time == -1 )
5021         {
5022             if ( i_user_time == -1 )
5023                 i_user_time = 0;
5024             i_prev_user_time = 0;
5025         }
5026
5027         i_user_start_time = i_prev_user_time;
5028         if ( i_end_time != -1 && i_user_time == i_prev_user_time )
5029         {
5030             i_user_end_time = i_user_start_time - i_start_time + i_end_time;
5031         }
5032         else
5033         {
5034             i_user_end_time = i_user_time;
5035         }
5036     }
5037     else
5038     {
5039         if ( sub_chapters.begin() != sub_chapters.end() )
5040             std::sort( sub_chapters.begin(), sub_chapters.end(), chapter_item_c::CompareTimecode );
5041         i_user_start_time = i_start_time;
5042         if ( i_end_time != -1 )
5043             i_user_end_time = i_end_time;
5044         else if ( i_user_time != -1 )
5045             i_user_end_time = i_user_time;
5046         else
5047             i_user_end_time = i_user_start_time;
5048     }
5049
5050     return i_user_end_time;
5051 }
5052
5053 mtime_t chapter_edition_c::Duration() const
5054 {
5055     mtime_t i_result = 0;
5056
5057     if ( sub_chapters.size() )
5058     {
5059         std::vector<chapter_item_c*>::const_iterator index = sub_chapters.end();
5060         index--;
5061         i_result = (*index)->i_user_end_time;
5062     }
5063
5064     return i_result;
5065 }
5066
5067 chapter_item_c * chapter_edition_c::FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current )
5068 {
5069     if ( !b_ordered )
5070         p_current = NULL;
5071     bool b_found_current = false;
5072     return chapter_item_c::FindTimecode( i_timecode, p_current, b_found_current );
5073 }
5074
5075 chapter_item_c *chapter_item_c::FindTimecode( mtime_t i_user_timecode, const chapter_item_c * p_current, bool & b_found )
5076 {
5077     chapter_item_c *psz_result = NULL;
5078
5079     if ( p_current == this )
5080         b_found = true;
5081
5082     if ( i_user_timecode >= i_user_start_time &&
5083         ( i_user_timecode < i_user_end_time ||
5084           ( i_user_start_time == i_user_end_time && i_user_timecode == i_user_end_time )))
5085     {
5086         std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
5087         while ( index != sub_chapters.end() && ((p_current == NULL && psz_result == NULL) || (p_current != NULL && (!b_found || psz_result == NULL))))
5088         {
5089             psz_result = (*index)->FindTimecode( i_user_timecode, p_current, b_found );
5090             index++;
5091         }
5092
5093         if ( psz_result == NULL )
5094             psz_result = this;
5095     }
5096
5097     return psz_result;
5098 }
5099
5100 bool chapter_item_c::ParentOf( const chapter_item_c & item ) const
5101 {
5102     if ( &item == this )
5103         return true;
5104
5105     std::vector<chapter_item_c*>::const_iterator index = sub_chapters.begin();
5106     while ( index != sub_chapters.end() )
5107     {
5108         if ( (*index)->ParentOf( item ) )
5109             return true;
5110         index++;
5111     }
5112
5113     return false;
5114 }
5115
5116 void demux_sys_t::PreloadFamily( const matroska_segment_c & of_segment )
5117 {
5118     for (size_t i=0; i<opened_segments.size(); i++)
5119     {
5120         opened_segments[i]->PreloadFamily( of_segment );
5121     }
5122 }
5123 bool matroska_segment_c::PreloadFamily( const matroska_segment_c & of_segment )
5124 {
5125     if ( b_preloaded )
5126         return false;
5127
5128     for (size_t i=0; i<families.size(); i++)
5129     {
5130         for (size_t j=0; j<of_segment.families.size(); j++)
5131         {
5132             if ( *(families[i]) == *(of_segment.families[j]) )
5133                 return Preload( );
5134         }
5135     }
5136
5137     return false;
5138 }
5139
5140 // preload all the linked segments for all preloaded segments
5141 void demux_sys_t::PreloadLinked( matroska_segment_c *p_segment )
5142 {
5143     size_t i_preloaded, i, j;
5144     virtual_segment_c *p_seg;
5145
5146     p_current_segment = VirtualFromSegments( p_segment );
5147
5148     used_segments.push_back( p_current_segment );
5149
5150     // create all the other virtual segments of the family
5151     do {
5152         i_preloaded = 0;
5153         for ( i=0; i< opened_segments.size(); i++ )
5154         {
5155             if ( opened_segments[i]->b_preloaded && !IsUsedSegment( *opened_segments[i] ) )
5156             {
5157                 p_seg = VirtualFromSegments( opened_segments[i] );
5158                 used_segments.push_back( p_seg );
5159                 i_preloaded++;
5160             }
5161         }
5162     } while ( i_preloaded ); // worst case: will stop when all segments are found as family related
5163
5164     // publish all editions of all usable segment
5165     for ( i=0; i< used_segments.size(); i++ )
5166     {
5167         p_seg = used_segments[i];
5168         if ( p_seg->p_editions != NULL )
5169         {
5170             std::string sz_name;
5171             input_title_t *p_title = vlc_input_title_New();
5172             p_seg->i_sys_title = i;
5173             int i_chapters;
5174
5175             // TODO use a name for each edition, let the TITLE deal with a codec name
5176             for ( j=0; j<p_seg->p_editions->size(); j++ )
5177             {
5178                 if ( p_title->psz_name == NULL )
5179                 {
5180                     sz_name = (*p_seg->p_editions)[j]->GetMainName();
5181                     if ( sz_name != "" )
5182                         p_title->psz_name = strdup( sz_name.c_str() );
5183                 }
5184
5185                 chapter_edition_c *p_edition = (*p_seg->p_editions)[j];
5186
5187                 i_chapters = 0;
5188                 p_edition->PublishChapters( *p_title, i_chapters, 0 );
5189             }
5190
5191             // create a name if there is none
5192             if ( p_title->psz_name == NULL )
5193             {
5194                 sz_name = N_("Segment");
5195                 char psz_str[6];
5196                 sprintf( psz_str, " %d", (int)i );
5197                 sz_name += psz_str;
5198                 p_title->psz_name = strdup( sz_name.c_str() );
5199             }
5200
5201             titles.push_back( p_title );
5202         }
5203     }
5204
5205     // TODO decide which segment should be first used (VMG for DVD)
5206 }
5207
5208 bool demux_sys_t::IsUsedSegment( matroska_segment_c &segment ) const
5209 {
5210     for ( size_t i=0; i< used_segments.size(); i++ )
5211     {
5212         if ( used_segments[i]->FindUID( *segment.p_segment_uid ) )
5213             return true;
5214     }
5215     return false;
5216 }
5217
5218 virtual_segment_c *demux_sys_t::VirtualFromSegments( matroska_segment_c *p_segment ) const
5219 {
5220     size_t i_preloaded, i;
5221
5222     virtual_segment_c *p_result = new virtual_segment_c( p_segment );
5223
5224     // fill our current virtual segment with all hard linked segments
5225     do {
5226         i_preloaded = 0;
5227         for ( i=0; i< opened_segments.size(); i++ )
5228         {
5229             i_preloaded += p_result->AddSegment( opened_segments[i] );
5230         }
5231     } while ( i_preloaded ); // worst case: will stop when all segments are found as linked
5232
5233     p_result->Sort( );
5234
5235     p_result->PreloadLinked( );
5236
5237     p_result->PrepareChapters( );
5238
5239     return p_result;
5240 }
5241
5242 bool demux_sys_t::PreparePlayback( virtual_segment_c *p_new_segment )
5243 {
5244     if ( p_new_segment != NULL && p_new_segment != p_current_segment )
5245     {
5246         if ( p_current_segment != NULL && p_current_segment->Segment() != NULL )
5247             p_current_segment->Segment()->UnSelect();
5248
5249         p_current_segment = p_new_segment;
5250         i_current_title = p_new_segment->i_sys_title;
5251     }
5252
5253     p_current_segment->LoadCues();
5254     f_duration = p_current_segment->Duration();
5255
5256     /* add information */
5257     p_current_segment->Segment()->InformationCreate( );
5258
5259     p_current_segment->Segment()->Select( 0 );
5260
5261     return true;
5262 }
5263
5264 void demux_sys_t::JumpTo( virtual_segment_c & vsegment, chapter_item_c * p_chapter )
5265 {
5266     // if the segment is not part of the current segment, select the new one
5267     if ( &vsegment != p_current_segment )
5268     {
5269         PreparePlayback( &vsegment );
5270     }
5271
5272     if ( p_chapter != NULL )
5273     {
5274         if ( !p_chapter->Enter( true ) )
5275         {
5276             // jump to the location in the found segment
5277             vsegment.Seek( demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5278         }
5279     }
5280
5281 }
5282
5283 bool matroska_segment_c::CompareSegmentUIDs( const matroska_segment_c * p_item_a, const matroska_segment_c * p_item_b )
5284 {
5285     if ( p_item_a == NULL || p_item_b == NULL )
5286         return false;
5287
5288     EbmlBinary * p_itema = (EbmlBinary *)(p_item_a->p_segment_uid);
5289     if ( p_item_b->p_prev_segment_uid != NULL && *p_itema == *p_item_b->p_prev_segment_uid )
5290         return true;
5291
5292     p_itema = (EbmlBinary *)(&p_item_a->p_next_segment_uid);
5293     if ( p_item_b->p_segment_uid != NULL && *p_itema == *p_item_b->p_segment_uid )
5294         return true;
5295
5296     if ( p_item_b->p_prev_segment_uid != NULL && *p_itema == *p_item_b->p_prev_segment_uid )
5297         return true;
5298
5299     return false;
5300 }
5301
5302 bool matroska_segment_c::Preload( )
5303 {
5304     if ( b_preloaded )
5305         return false;
5306
5307     EbmlElement *el = NULL;
5308
5309     ep->Reset( &sys.demuxer );
5310
5311     while( ( el = ep->Get() ) != NULL )
5312     {
5313         if( MKV_IS_ID( el, KaxInfo ) )
5314         {
5315             ParseInfo( static_cast<KaxInfo*>( el ) );
5316         }
5317         else if( MKV_IS_ID( el, KaxTracks ) )
5318         {
5319             ParseTracks( static_cast<KaxTracks*>( el ) );
5320             if ( tracks.size() == 0 )
5321             {
5322                 msg_Err( &sys.demuxer, "No tracks supported" );
5323                 return false;
5324             }
5325         }
5326         else if( MKV_IS_ID( el, KaxSeekHead ) )
5327         {
5328             ParseSeekHead( static_cast<KaxSeekHead*>( el ) );
5329         }
5330         else if( MKV_IS_ID( el, KaxCues ) )
5331         {
5332             msg_Dbg( &sys.demuxer, "|   + Cues" );
5333         }
5334         else if( MKV_IS_ID( el, KaxCluster ) )
5335         {
5336             msg_Dbg( &sys.demuxer, "|   + Cluster" );
5337
5338             cluster = (KaxCluster*)el;
5339
5340             i_cluster_pos = i_start_pos = cluster->GetElementPosition();
5341             ParseCluster( );
5342
5343             ep->Down();
5344             /* stop parsing the stream */
5345             break;
5346         }
5347         else if( MKV_IS_ID( el, KaxAttachments ) )
5348         {
5349             msg_Dbg( &sys.demuxer, "|   + Attachments FIXME (but probably never supported)" );
5350         }
5351         else if( MKV_IS_ID( el, KaxChapters ) )
5352         {
5353             msg_Dbg( &sys.demuxer, "|   + Chapters" );
5354             ParseChapters( static_cast<KaxChapters*>( el ) );
5355         }
5356         else if( MKV_IS_ID( el, KaxTag ) )
5357         {
5358             msg_Dbg( &sys.demuxer, "|   + Tags FIXME TODO" );
5359         }
5360         else
5361         {
5362             msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid(*el).name() );
5363         }
5364     }
5365
5366     b_preloaded = true;
5367
5368     return true;
5369 }
5370
5371 matroska_segment_c *demux_sys_t::FindSegment( const EbmlBinary & uid ) const
5372 {
5373     for (size_t i=0; i<opened_segments.size(); i++)
5374     {
5375         if ( *opened_segments[i]->p_segment_uid == uid )
5376             return opened_segments[i];
5377     }
5378     return NULL;
5379 }
5380
5381 chapter_item_c *demux_sys_t::BrowseCodecPrivate( unsigned int codec_id,
5382                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
5383                                         const void *p_cookie,
5384                                         size_t i_cookie_size,
5385                                         virtual_segment_c * &p_segment_found )
5386 {
5387     chapter_item_c *p_result = NULL;
5388     for (size_t i=0; i<used_segments.size(); i++)
5389     {
5390         p_result = used_segments[i]->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
5391         if ( p_result != NULL )
5392         {
5393             p_segment_found = used_segments[i];
5394             break;
5395         }
5396     }
5397     return p_result;
5398 }
5399
5400 chapter_item_c *demux_sys_t::FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found )
5401 {
5402     chapter_item_c *p_result = NULL;
5403     for (size_t i=0; i<used_segments.size(); i++)
5404     {
5405         p_result = used_segments[i]->FindChapter( i_find_uid );
5406         if ( p_result != NULL )
5407         {
5408             p_segment_found = used_segments[i];
5409             break;
5410         }
5411     }
5412     return p_result;
5413 }
5414
5415 void virtual_segment_c::Sort()
5416 {
5417     // keep the current segment index
5418     matroska_segment_c *p_segment = linked_segments[i_current_segment];
5419
5420     std::sort( linked_segments.begin(), linked_segments.end(), matroska_segment_c::CompareSegmentUIDs );
5421
5422     for ( i_current_segment=0; i_current_segment<linked_segments.size(); i_current_segment++)
5423         if ( linked_segments[i_current_segment] == p_segment )
5424             break;
5425 }
5426
5427 size_t virtual_segment_c::AddSegment( matroska_segment_c *p_segment )
5428 {
5429     size_t i;
5430     // check if it's not already in here
5431     for ( i=0; i<linked_segments.size(); i++ )
5432     {
5433         if ( linked_segments[i]->p_segment_uid != NULL
5434             && p_segment->p_segment_uid != NULL
5435             && *p_segment->p_segment_uid == *linked_segments[i]->p_segment_uid )
5436             return 0;
5437     }
5438
5439     // find possible mates
5440     for ( i=0; i<linked_uids.size(); i++ )
5441     {
5442         if (   (p_segment->p_segment_uid != NULL && *p_segment->p_segment_uid == linked_uids[i])
5443             || (p_segment->p_prev_segment_uid != NULL && *p_segment->p_prev_segment_uid == linked_uids[i])
5444             || (p_segment->p_next_segment_uid !=NULL && *p_segment->p_next_segment_uid == linked_uids[i]) )
5445         {
5446             linked_segments.push_back( p_segment );
5447
5448             AppendUID( p_segment->p_prev_segment_uid );
5449             AppendUID( p_segment->p_next_segment_uid );
5450
5451             return 1;
5452         }
5453     }
5454     return 0;
5455 }
5456
5457 void virtual_segment_c::PreloadLinked( )
5458 {
5459     for ( size_t i=0; i<linked_segments.size(); i++ )
5460     {
5461         linked_segments[i]->Preload( );
5462     }
5463     i_current_edition = linked_segments[0]->i_default_edition;
5464 }
5465
5466 mtime_t virtual_segment_c::Duration() const
5467 {
5468     mtime_t i_duration;
5469     if ( linked_segments.size() == 0 )
5470         i_duration = 0;
5471     else {
5472         matroska_segment_c *p_last_segment = linked_segments[linked_segments.size()-1];
5473 //        p_last_segment->ParseCluster( );
5474
5475         i_duration = p_last_segment->i_start_time / 1000 + p_last_segment->i_duration;
5476     }
5477     return i_duration;
5478 }
5479
5480 void virtual_segment_c::LoadCues( )
5481 {
5482     for ( size_t i=0; i<linked_segments.size(); i++ )
5483     {
5484         linked_segments[i]->LoadCues();
5485     }
5486 }
5487
5488 void virtual_segment_c::AppendUID( const EbmlBinary * p_UID )
5489 {
5490     if ( p_UID == NULL )
5491         return;
5492     if ( p_UID->GetBuffer() == NULL )
5493         return;
5494
5495     for (size_t i=0; i<linked_uids.size(); i++)
5496     {
5497         if ( *p_UID == linked_uids[i] )
5498             return;
5499     }
5500     linked_uids.push_back( *(KaxSegmentUID*)(p_UID) );
5501 }
5502
5503 void matroska_segment_c::Seek( mtime_t i_date, mtime_t i_time_offset )
5504 {
5505     KaxBlock    *block;
5506 #if LIBMATROSKA_VERSION >= 0x000800
5507     KaxSimpleBlock *simpleblock;
5508 #endif
5509     int         i_track_skipping;
5510     int64_t     i_block_duration;
5511     int64_t     i_block_ref1;
5512     int64_t     i_block_ref2;
5513     size_t      i_track;
5514     int64_t     i_seek_position = i_start_pos;
5515     int64_t     i_seek_time = i_start_time;
5516
5517     if ( i_index > 0 )
5518     {
5519         int i_idx = 0;
5520
5521         for( ; i_idx < i_index; i_idx++ )
5522         {
5523             if( p_indexes[i_idx].i_time + i_time_offset > i_date )
5524             {
5525                 break;
5526             }
5527         }
5528
5529         if( i_idx > 0 )
5530         {
5531             i_idx--;
5532         }
5533
5534         i_seek_position = p_indexes[i_idx].i_position;
5535         i_seek_time = p_indexes[i_idx].i_time;
5536     }
5537
5538     msg_Dbg( &sys.demuxer, "seek got "I64Fd" (%d%%)",
5539                 i_seek_time, (int)( 100 * i_seek_position / stream_Size( sys.demuxer.s ) ) );
5540
5541     es.I_O().setFilePointer( i_seek_position, seek_beginning );
5542
5543     delete ep;
5544     ep = new EbmlParser( &es, segment, &sys.demuxer );
5545     cluster = NULL;
5546
5547     sys.i_start_pts = i_date;
5548
5549     es_out_Control( sys.demuxer.out, ES_OUT_RESET_PCR );
5550
5551     /* now parse until key frame */
5552     i_track_skipping = 0;
5553     for( i_track = 0; i_track < tracks.size(); i_track++ )
5554     {
5555         if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5556         {
5557             tracks[i_track]->b_search_keyframe = VLC_TRUE;
5558             i_track_skipping++;
5559         }
5560         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_date );
5561     }
5562
5563
5564     while( i_track_skipping > 0 )
5565     {
5566 #if LIBMATROSKA_VERSION >= 0x000800
5567         if( BlockGet( block, simpleblock, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
5568 #else
5569         if( BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
5570 #endif
5571         {
5572             msg_Warn( &sys.demuxer, "cannot get block EOF?" );
5573
5574             return;
5575         }
5576         ep->Down();
5577
5578         for( i_track = 0; i_track < tracks.size(); i_track++ )
5579         {
5580             if( tracks[i_track]->i_number == block->TrackNum() )
5581             {
5582                 break;
5583             }
5584         }
5585
5586         sys.i_pts = (sys.i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
5587
5588         if( i_track < tracks.size() )
5589         {
5590            if( sys.i_pts >= sys.i_start_pts )
5591             {
5592                 cluster = static_cast<KaxCluster*>(ep->UnGet( i_block_pos, i_cluster_pos ));
5593                 i_track_skipping = 0;
5594             }
5595             else if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5596             {
5597                 if( i_block_ref1 == 0 && tracks[i_track]->b_search_keyframe )
5598                 {
5599                     tracks[i_track]->b_search_keyframe = VLC_FALSE;
5600                     i_track_skipping--;
5601                 }
5602                 if( !tracks[i_track]->b_search_keyframe )
5603                 {
5604 #if LIBMATROSKA_VERSION >= 0x000800
5605                     BlockDecode( &sys.demuxer, block, simpleblock, sys.i_pts, 0, i_block_ref1 >= 0 || i_block_ref2 > 0 );
5606 #else
5607                     BlockDecode( &sys.demuxer, block, sys.i_pts, 0, i_block_ref1 >= 0 || i_block_ref2 > 0 );
5608 #endif
5609                 }
5610             }
5611         }
5612
5613         delete block;
5614     }
5615 }
5616
5617 void virtual_segment_c::Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter )
5618 {
5619     demux_sys_t *p_sys = demuxer.p_sys;
5620     size_t i;
5621
5622     // find the actual time for an ordered edition
5623     if ( psz_chapter == NULL )
5624     {
5625         if ( Edition() && Edition()->b_ordered )
5626         {
5627             /* 1st, we need to know in which chapter we are */
5628             psz_chapter = (*p_editions)[i_current_edition]->FindTimecode( i_date, psz_current_chapter );
5629         }
5630     }
5631
5632     if ( psz_chapter != NULL )
5633     {
5634         psz_current_chapter = psz_chapter;
5635         p_sys->i_chapter_time = i_time_offset = psz_chapter->i_user_start_time - psz_chapter->i_start_time;
5636         if ( psz_chapter->i_seekpoint_num > 0 )
5637         {
5638             demuxer.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
5639             demuxer.info.i_title = p_sys->i_current_title = i_sys_title;
5640             demuxer.info.i_seekpoint = psz_chapter->i_seekpoint_num - 1;
5641         }
5642     }
5643
5644     // find the best matching segment
5645     for ( i=0; i<linked_segments.size(); i++ )
5646     {
5647         if ( i_date < linked_segments[i]->i_start_time )
5648             break;
5649     }
5650
5651     if ( i > 0 )
5652         i--;
5653
5654     if ( i_current_segment != i  )
5655     {
5656         linked_segments[i_current_segment]->UnSelect();
5657         linked_segments[i]->Select( i_date );
5658         i_current_segment = i;
5659     }
5660
5661     linked_segments[i]->Seek( i_date, i_time_offset );
5662 }
5663
5664 void chapter_codec_cmds_c::AddCommand( const KaxChapterProcessCommand & command )
5665 {
5666     size_t i;
5667
5668     uint32 codec_time = uint32(-1);
5669     for( i = 0; i < command.ListSize(); i++ )
5670     {
5671         const EbmlElement *k = command[i];
5672
5673         if( MKV_IS_ID( k, KaxChapterProcessTime ) )
5674         {
5675             codec_time = uint32( *static_cast<const KaxChapterProcessTime*>( k ) );
5676             break;
5677         }
5678     }
5679
5680     for( i = 0; i < command.ListSize(); i++ )
5681     {
5682         const EbmlElement *k = command[i];
5683
5684         if( MKV_IS_ID( k, KaxChapterProcessData ) )
5685         {
5686             KaxChapterProcessData *p_data =  new KaxChapterProcessData( *static_cast<const KaxChapterProcessData*>( k ) );
5687             switch ( codec_time )
5688             {
5689             case 0:
5690                 during_cmds.push_back( p_data );
5691                 break;
5692             case 1:
5693                 enter_cmds.push_back( p_data );
5694                 break;
5695             case 2:
5696                 leave_cmds.push_back( p_data );
5697                 break;
5698             default:
5699                 delete p_data;
5700             }
5701         }
5702     }
5703 }
5704
5705 bool chapter_item_c::Enter( bool b_do_subs )
5706 {
5707     bool f_result = false;
5708     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5709     while ( index != codecs.end() )
5710     {
5711         f_result |= (*index)->Enter();
5712         index++;
5713     }
5714
5715     if ( b_do_subs )
5716     {
5717         // sub chapters
5718         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5719         while ( index_ != sub_chapters.end() )
5720         {
5721             f_result |= (*index_)->Enter( true );
5722             index_++;
5723         }
5724     }
5725     return f_result;
5726 }
5727
5728 bool chapter_item_c::Leave( bool b_do_subs )
5729 {
5730     bool f_result = false;
5731     b_is_leaving = true;
5732     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5733     while ( index != codecs.end() )
5734     {
5735         f_result |= (*index)->Leave();
5736         index++;
5737     }
5738
5739     if ( b_do_subs )
5740     {
5741         // sub chapters
5742         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5743         while ( index_ != sub_chapters.end() )
5744         {
5745             f_result |= (*index_)->Leave( true );
5746             index_++;
5747         }
5748     }
5749     b_is_leaving = false;
5750     return f_result;
5751 }
5752
5753 bool chapter_item_c::EnterAndLeave( chapter_item_c *p_item, bool b_final_enter )
5754 {
5755     chapter_item_c *p_common_parent = p_item;
5756
5757     // leave, up to a common parent
5758     while ( p_common_parent != NULL && !p_common_parent->ParentOf( *this ) )
5759     {
5760         if ( !p_common_parent->b_is_leaving && p_common_parent->Leave( false ) )
5761             return true;
5762         p_common_parent = p_common_parent->psz_parent;
5763     }
5764
5765     // enter from the parent to <this>
5766     if ( p_common_parent != NULL )
5767     {
5768         do
5769         {
5770             if ( p_common_parent == this )
5771                 return Enter( true );
5772
5773             for ( size_t i = 0; i<p_common_parent->sub_chapters.size(); i++ )
5774             {
5775                 if ( p_common_parent->sub_chapters[i]->ParentOf( *this ) )
5776                 {
5777                     p_common_parent = p_common_parent->sub_chapters[i];
5778                     if ( p_common_parent != this )
5779                         if ( p_common_parent->Enter( false ) )
5780                             return true;
5781
5782                     break;
5783                 }
5784             }
5785         } while ( 1 );
5786     }
5787
5788     if ( b_final_enter )
5789         return Enter( true );
5790     else
5791         return false;
5792 }
5793
5794 bool dvd_chapter_codec_c::Enter()
5795 {
5796     bool f_result = false;
5797     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
5798     while ( index != enter_cmds.end() )
5799     {
5800         if ( (*index)->GetSize() )
5801         {
5802             binary *p_data = (*index)->GetBuffer();
5803             size_t i_size = *p_data++;
5804             // avoid reading too much from the buffer
5805             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
5806             for ( ; i_size > 0; i_size--, p_data += 8 )
5807             {
5808                 msg_Dbg( &sys.demuxer, "Matroska DVD enter command" );
5809                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5810             }
5811         }
5812         index++;
5813     }
5814     return f_result;
5815 }
5816
5817 bool dvd_chapter_codec_c::Leave()
5818 {
5819     bool f_result = false;
5820     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
5821     while ( index != leave_cmds.end() )
5822     {
5823         if ( (*index)->GetSize() )
5824         {
5825             binary *p_data = (*index)->GetBuffer();
5826             size_t i_size = *p_data++;
5827             // avoid reading too much from the buffer
5828             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
5829             for ( ; i_size > 0; i_size--, p_data += 8 )
5830             {
5831                 msg_Dbg( &sys.demuxer, "Matroska DVD leave command" );
5832                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5833             }
5834         }
5835         index++;
5836     }
5837     return f_result;
5838 }
5839
5840 // see http://www.dvd-replica.com/DVD/vmcmdset.php for a description of DVD commands
5841 bool dvd_command_interpretor_c::Interpret( const binary * p_command, size_t i_size )
5842 {
5843     if ( i_size != 8 )
5844         return false;
5845
5846     virtual_segment_c *p_segment = NULL;
5847     chapter_item_c *p_chapter = NULL;
5848     bool f_result = false;
5849     uint16 i_command = ( p_command[0] << 8 ) + p_command[1];
5850
5851     // handle register tests if there are some
5852     if ( (i_command & 0xF0) != 0 )
5853     {
5854         bool b_test_positive = true;//(i_command & CMD_DVD_IF_NOT) == 0;
5855         bool b_test_value    = (i_command & CMD_DVD_TEST_VALUE) != 0;
5856         uint8 i_test = i_command & 0x70;
5857         uint16 i_value;
5858
5859         // see http://dvd.sourceforge.net/dvdinfo/vmi.html
5860         uint8  i_cr1;
5861         uint16 i_cr2;
5862         switch ( i_command >> 12 )
5863         {
5864         default:
5865             i_cr1 = p_command[3];
5866             i_cr2 = (p_command[4] << 8) + p_command[5];
5867             break;
5868         case 3:
5869         case 4:
5870         case 5:
5871             i_cr1 = p_command[6];
5872             i_cr2 = p_command[7];
5873             b_test_value = false;
5874             break;
5875         case 6:
5876         case 7:
5877             if ( ((p_command[1] >> 4) & 0x7) == 0)
5878             {
5879                 i_cr1 = p_command[2];
5880                 i_cr2 = (p_command[6] << 8) + p_command[7];
5881             }
5882             else
5883             {
5884                 i_cr1 = p_command[2];
5885                 i_cr2 = (p_command[6] << 8) + p_command[7];
5886             }
5887             break;
5888         }
5889
5890         if ( b_test_value )
5891             i_value = i_cr2;
5892         else
5893             i_value = GetPRM( i_cr2 );
5894
5895         switch ( i_test )
5896         {
5897         case CMD_DVD_IF_GPREG_EQUAL:
5898             // if equals
5899             msg_Dbg( &sys.demuxer, "IF %s EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5900             if (!( GetPRM( i_cr1 ) == i_value ))
5901             {
5902                 b_test_positive = false;
5903             }
5904             break;
5905         case CMD_DVD_IF_GPREG_NOT_EQUAL:
5906             // if not equals
5907             msg_Dbg( &sys.demuxer, "IF %s NOT EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5908             if (!( GetPRM( i_cr1 ) != i_value ))
5909             {
5910                 b_test_positive = false;
5911             }
5912             break;
5913         case CMD_DVD_IF_GPREG_INF:
5914             // if inferior
5915             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5916             if (!( GetPRM( i_cr1 ) < i_value ))
5917             {
5918                 b_test_positive = false;
5919             }
5920             break;
5921         case CMD_DVD_IF_GPREG_INF_EQUAL:
5922             // if inferior or equal
5923             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5924             if (!( GetPRM( i_cr1 ) <= i_value ))
5925             {
5926                 b_test_positive = false;
5927             }
5928             break;
5929         case CMD_DVD_IF_GPREG_AND:
5930             // if logical and
5931             msg_Dbg( &sys.demuxer, "IF %s & %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5932             if (!( GetPRM( i_cr1 ) & i_value ))
5933             {
5934                 b_test_positive = false;
5935             }
5936             break;
5937         case CMD_DVD_IF_GPREG_SUP:
5938             // if superior
5939             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5940             if (!( GetPRM( i_cr1 ) > i_value ))
5941             {
5942                 b_test_positive = false;
5943             }
5944             break;
5945         case CMD_DVD_IF_GPREG_SUP_EQUAL:
5946             // if superior or equal
5947             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5948             if (!( GetPRM( i_cr1 ) >= i_value ))
5949             {
5950                 b_test_positive = false;
5951             }
5952             break;
5953         }
5954
5955         if ( !b_test_positive )
5956             return false;
5957     }
5958
5959     // strip the test command
5960     i_command &= 0xFF0F;
5961
5962     switch ( i_command )
5963     {
5964     case CMD_DVD_NOP:
5965     case CMD_DVD_NOP2:
5966         {
5967             msg_Dbg( &sys.demuxer, "NOP" );
5968             break;
5969         }
5970     case CMD_DVD_BREAK:
5971         {
5972             msg_Dbg( &sys.demuxer, "Break" );
5973             // TODO
5974             break;
5975         }
5976     case CMD_DVD_JUMP_TT:
5977         {
5978             uint8 i_title = p_command[5];
5979             msg_Dbg( &sys.demuxer, "JumpTT %d", i_title );
5980
5981             // find in the ChapProcessPrivate matching this Title level
5982             p_chapter = sys.BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title), p_segment );
5983             if ( p_segment != NULL )
5984             {
5985                 sys.JumpTo( *p_segment, p_chapter );
5986                 f_result = true;
5987             }
5988
5989             break;
5990         }
5991     case CMD_DVD_CALLSS_VTSM1:
5992         {
5993             msg_Dbg( &sys.demuxer, "CallSS" );
5994             binary p_type;
5995             switch( (p_command[6] & 0xC0) >> 6 ) {
5996                 case 0:
5997                     p_type = p_command[5] & 0x0F;
5998                     switch ( p_type )
5999                     {
6000                     case 0x00:
6001                         msg_Dbg( &sys.demuxer, "CallSS PGC (rsm_cell %x)", p_command[4]);
6002                         break;
6003                     case 0x02:
6004                         msg_Dbg( &sys.demuxer, "CallSS Title Entry (rsm_cell %x)", p_command[4]);
6005                         break;
6006                     case 0x03:
6007                         msg_Dbg( &sys.demuxer, "CallSS Root Menu (rsm_cell %x)", p_command[4]);
6008                         break;
6009                     case 0x04:
6010                         msg_Dbg( &sys.demuxer, "CallSS Subpicture Menu (rsm_cell %x)", p_command[4]);
6011                         break;
6012                     case 0x05:
6013                         msg_Dbg( &sys.demuxer, "CallSS Audio Menu (rsm_cell %x)", p_command[4]);
6014                         break;
6015                     case 0x06:
6016                         msg_Dbg( &sys.demuxer, "CallSS Angle Menu (rsm_cell %x)", p_command[4]);
6017                         break;
6018                     case 0x07:
6019                         msg_Dbg( &sys.demuxer, "CallSS Chapter Menu (rsm_cell %x)", p_command[4]);
6020                         break;
6021                     default:
6022                         msg_Dbg( &sys.demuxer, "CallSS <unknown> (rsm_cell %x)", p_command[4]);
6023                         break;
6024                     }
6025                     p_chapter = sys.BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1, p_segment );
6026                     if ( p_segment != NULL )
6027                     {
6028                         sys.JumpTo( *p_segment, p_chapter );
6029                         f_result = true;
6030                     }
6031                 break;
6032                 case 1:
6033                     msg_Dbg( &sys.demuxer, "CallSS VMGM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
6034                 break;
6035                 case 2:
6036                     msg_Dbg( &sys.demuxer, "CallSS VTSM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
6037                 break;
6038                 case 3:
6039                     msg_Dbg( &sys.demuxer, "CallSS VMGM (pgc %d, rsm_cell %x)", (p_command[2] << 8) + p_command[3], p_command[4]);
6040                 break;
6041             }
6042             break;
6043         }
6044     case CMD_DVD_JUMP_SS:
6045         {
6046             msg_Dbg( &sys.demuxer, "JumpSS");
6047             binary p_type;
6048             switch( (p_command[5] & 0xC0) >> 6 ) {
6049                 case 0:
6050                     msg_Dbg( &sys.demuxer, "JumpSS FP");
6051                 break;
6052                 case 1:
6053                     p_type = p_command[5] & 0x0F;
6054                     switch ( p_type )
6055                     {
6056                     case 0x02:
6057                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Title Entry");
6058                         break;
6059                     case 0x03:
6060                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Root Menu");
6061                         break;
6062                     case 0x04:
6063                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Subpicture Menu");
6064                         break;
6065                     case 0x05:
6066                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Audio Menu");
6067                         break;
6068                     case 0x06:
6069                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Angle Menu");
6070                         break;
6071                     case 0x07:
6072                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Chapter Menu");
6073                         break;
6074                     default:
6075                         msg_Dbg( &sys.demuxer, "JumpSS <unknown>");
6076                         break;
6077                     }
6078                     // find the VMG
6079                     p_chapter = sys.BrowseCodecPrivate( 1, MatchIsVMG, NULL, 0, p_segment );
6080                     if ( p_segment != NULL )
6081                     {
6082                         p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
6083                         if ( p_chapter != NULL )
6084                         {
6085                             sys.JumpTo( *p_segment, p_chapter );
6086                             f_result = true;
6087                         }
6088                     }
6089                 break;
6090                 case 2:
6091                     p_type = p_command[5] & 0x0F;
6092                     switch ( p_type )
6093                     {
6094                     case 0x02:
6095                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Title Entry", p_command[4], p_command[3]);
6096                         break;
6097                     case 0x03:
6098                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Root Menu", p_command[4], p_command[3]);
6099                         break;
6100                     case 0x04:
6101                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Subpicture Menu", p_command[4], p_command[3]);
6102                         break;
6103                     case 0x05:
6104                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Audio Menu", p_command[4], p_command[3]);
6105                         break;
6106                     case 0x06:
6107                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Angle Menu", p_command[4], p_command[3]);
6108                         break;
6109                     case 0x07:
6110                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Chapter Menu", p_command[4], p_command[3]);
6111                         break;
6112                     default:
6113                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) <unknown>", p_command[4], p_command[3]);
6114                         break;
6115                     }
6116
6117                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSMNumber, &p_command[4], 1, p_segment );
6118
6119                     if ( p_segment != NULL && p_chapter != NULL )
6120                     {
6121                         // find the title in the VTS
6122                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &p_command[3], 1 );
6123                         if ( p_chapter != NULL )
6124                         {
6125                             // find the specified menu in the VTSM
6126                             p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
6127                             if ( p_chapter != NULL )
6128                             {
6129                                 sys.JumpTo( *p_segment, p_chapter );
6130                                 f_result = true;
6131                             }
6132                         }
6133                         else
6134                             msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", p_command[3] );
6135                     }
6136                     else
6137                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", p_command[4] );
6138                 break;
6139                 case 3:
6140                     msg_Dbg( &sys.demuxer, "JumpSS VMGM (pgc %d)", (p_command[2] << 8) + p_command[3]);
6141                 break;
6142             }
6143             break;
6144         }
6145     case CMD_DVD_JUMPVTS_PTT:
6146         {
6147             uint8 i_title = p_command[5];
6148             uint8 i_ptt = p_command[3];
6149
6150             msg_Dbg( &sys.demuxer, "JumpVTS Title (%d) PTT (%d)", i_title, i_ptt);
6151
6152             // find the current VTS content segment
6153             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchIsDomain, NULL, 0 );
6154             if ( p_chapter != NULL )
6155             {
6156                 int16 i_curr_title = p_chapter->GetTitleNumber( );
6157                 if ( i_curr_title > 0 )
6158                 {
6159                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSNumber, &i_curr_title, sizeof(i_curr_title), p_segment );
6160
6161                     if ( p_segment != NULL && p_chapter != NULL )
6162                     {
6163                         // find the title in the VTS
6164                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title) );
6165                         if ( p_chapter != NULL )
6166                         {
6167                             // find the chapter in the title
6168                             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchChapterNumber, &i_ptt, sizeof(i_ptt) );
6169                             if ( p_chapter != NULL )
6170                             {
6171                                 sys.JumpTo( *p_segment, p_chapter );
6172                                 f_result = true;
6173                             }
6174                         }
6175                     else
6176                         msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", i_title );
6177                     }
6178                     else
6179                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", i_curr_title );
6180                 }
6181                 else
6182                     msg_Dbg( &sys.demuxer, "JumpVTS_PTT command found but not in a VTS(M)");
6183             }
6184             else
6185                 msg_Dbg( &sys.demuxer, "JumpVTS_PTT command but the DVD domain wasn't found");
6186             break;
6187         }
6188     case CMD_DVD_SET_GPRMMD:
6189         {
6190             msg_Dbg( &sys.demuxer, "Set GPRMMD [%d]=%d", (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3]);
6191
6192             if ( !SetGPRM( (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3] ) )
6193                 msg_Dbg( &sys.demuxer, "Set GPRMMD failed" );
6194             break;
6195         }
6196     case CMD_DVD_LINKPGCN:
6197         {
6198             uint16 i_pgcn = (p_command[6] << 8) + p_command[7];
6199
6200             msg_Dbg( &sys.demuxer, "Link PGCN(%d)", i_pgcn );
6201             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchPgcNumber, &i_pgcn, 2 );
6202             if ( p_chapter != NULL )
6203             {
6204                 if ( !p_chapter->Enter( true ) )
6205                     // jump to the location in the found segment
6206                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6207
6208                 f_result = true;
6209             }
6210             break;
6211         }
6212     case CMD_DVD_LINKCN:
6213         {
6214             uint8 i_cn = p_command[7];
6215
6216             p_chapter = sys.p_current_segment->CurrentChapter();
6217
6218             msg_Dbg( &sys.demuxer, "LinkCN (cell %d)", i_cn );
6219             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchCellNumber, &i_cn, 1 );
6220             if ( p_chapter != NULL )
6221             {
6222                 if ( !p_chapter->Enter( true ) )
6223                     // jump to the location in the found segment
6224                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6225
6226                 f_result = true;
6227             }
6228             break;
6229         }
6230     case CMD_DVD_GOTO_LINE:
6231         {
6232             msg_Dbg( &sys.demuxer, "GotoLine (%d)", (p_command[6] << 8) + p_command[7] );
6233             // TODO
6234             break;
6235         }
6236     case CMD_DVD_SET_HL_BTNN1:
6237         {
6238             msg_Dbg( &sys.demuxer, "SetHL_BTN (%d)", p_command[4] );
6239             SetSPRM( 0x88, p_command[4] );
6240             break;
6241         }
6242     default:
6243         {
6244             msg_Dbg( &sys.demuxer, "unsupported command : %02X %02X %02X %02X %02X %02X %02X %02X"
6245                      ,p_command[0]
6246                      ,p_command[1]
6247                      ,p_command[2]
6248                      ,p_command[3]
6249                      ,p_command[4]
6250                      ,p_command[5]
6251                      ,p_command[6]
6252                      ,p_command[7]);
6253             break;
6254         }
6255     }
6256
6257     return f_result;
6258 }
6259
6260 bool dvd_command_interpretor_c::MatchIsDomain( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6261 {
6262     return ( data.p_private_data != NULL && data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS );
6263 }
6264
6265 bool dvd_command_interpretor_c::MatchIsVMG( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6266 {
6267     if ( data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
6268         return false;
6269
6270     return ( data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS && data.p_private_data->GetBuffer()[1] == 0xC0);
6271 }
6272
6273 bool dvd_command_interpretor_c::MatchVTSNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6274 {
6275     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6276         return false;
6277
6278     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x80 )
6279         return false;
6280
6281     uint16 i_gtitle = (data.p_private_data->GetBuffer()[2] << 8 ) + data.p_private_data->GetBuffer()[3];
6282     uint16 i_title = *(uint16*)p_cookie;
6283
6284     return (i_gtitle == i_title);
6285 }
6286
6287 bool dvd_command_interpretor_c::MatchVTSMNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6288 {
6289     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6290         return false;
6291
6292     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x40 )
6293         return false;
6294
6295     uint8 i_gtitle = data.p_private_data->GetBuffer()[3];
6296     uint8 i_title = *(uint8*)p_cookie;
6297
6298     return (i_gtitle == i_title);
6299 }
6300
6301 bool dvd_command_interpretor_c::MatchTitleNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6302 {
6303     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6304         return false;
6305
6306     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_TT )
6307         return false;
6308
6309     uint16 i_gtitle = (data.p_private_data->GetBuffer()[1] << 8 ) + data.p_private_data->GetBuffer()[2];
6310     uint8 i_title = *(uint8*)p_cookie;
6311
6312     return (i_gtitle == i_title);
6313 }
6314
6315 bool dvd_command_interpretor_c::MatchPgcType( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6316 {
6317     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6318         return false;
6319
6320     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6321         return false;
6322
6323     uint8 i_pgc_type = data.p_private_data->GetBuffer()[3] & 0x0F;
6324     uint8 i_pgc = *(uint8*)p_cookie;
6325
6326     return (i_pgc_type == i_pgc);
6327 }
6328
6329 bool dvd_command_interpretor_c::MatchPgcNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6330 {
6331     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6332         return false;
6333
6334     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6335         return false;
6336
6337     uint16 *i_pgc_n = (uint16 *)p_cookie;
6338     uint16 i_pgc_num = (data.p_private_data->GetBuffer()[1] << 8) + data.p_private_data->GetBuffer()[2];
6339
6340     return (i_pgc_num == *i_pgc_n);
6341 }
6342
6343 bool dvd_command_interpretor_c::MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6344 {
6345     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
6346         return false;
6347
6348     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PTT )
6349         return false;
6350
6351     uint8 i_chapter = data.p_private_data->GetBuffer()[1];
6352     uint8 i_ptt = *(uint8*)p_cookie;
6353
6354     return (i_chapter == i_ptt);
6355 }
6356
6357 bool dvd_command_interpretor_c::MatchCellNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6358 {
6359     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 5 )
6360         return false;
6361
6362     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_CN )
6363         return false;
6364
6365     uint8 *i_cell_n = (uint8 *)p_cookie;
6366     uint8 i_cell_num = data.p_private_data->GetBuffer()[3];
6367
6368     return (i_cell_num == *i_cell_n);
6369 }
6370
6371 bool matroska_script_codec_c::Enter()
6372 {
6373     bool f_result = false;
6374     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
6375     while ( index != enter_cmds.end() )
6376     {
6377         if ( (*index)->GetSize() )
6378         {
6379             msg_Dbg( &sys.demuxer, "Matroska Script enter command" );
6380             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6381         }
6382         index++;
6383     }
6384     return f_result;
6385 }
6386
6387 bool matroska_script_codec_c::Leave()
6388 {
6389     bool f_result = false;
6390     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
6391     while ( index != leave_cmds.end() )
6392     {
6393         if ( (*index)->GetSize() )
6394         {
6395             msg_Dbg( &sys.demuxer, "Matroska Script leave command" );
6396             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6397         }
6398         index++;
6399     }
6400     return f_result;
6401 }
6402
6403 // see http://www.matroska.org/technical/specs/chapters/index.html#mscript
6404 //  for a description of existing commands
6405 bool matroska_script_interpretor_c::Interpret( const binary * p_command, size_t i_size )
6406 {
6407     bool b_result = false;
6408
6409     char *psz_str = (char*) malloc( i_size + 1 );
6410     memcpy( psz_str, p_command, i_size );
6411     psz_str[ i_size ] = '\0';
6412
6413     std::string sz_command = psz_str;
6414     free( psz_str );
6415
6416     msg_Dbg( &sys.demuxer, "command : %s", sz_command.c_str() );
6417
6418 #if defined(__GNUC__) && (__GNUC__ < 3)
6419     if ( sz_command.compare( CMD_MS_GOTO_AND_PLAY, 0, CMD_MS_GOTO_AND_PLAY.size() ) == 0 )
6420 #else
6421     if ( sz_command.compare( 0, CMD_MS_GOTO_AND_PLAY.size(), CMD_MS_GOTO_AND_PLAY ) == 0 )
6422 #endif
6423     {
6424         size_t i,j;
6425
6426         // find the (
6427         for ( i=CMD_MS_GOTO_AND_PLAY.size(); i<sz_command.size(); i++)
6428         {
6429             if ( sz_command[i] == '(' )
6430             {
6431                 i++;
6432                 break;
6433             }
6434         }
6435         // find the )
6436         for ( j=i; j<sz_command.size(); j++)
6437         {
6438             if ( sz_command[j] == ')' )
6439             {
6440                 i--;
6441                 break;
6442             }
6443         }
6444
6445         std::string st = sz_command.substr( i+1, j-i-1 );
6446         int64_t i_chapter_uid = atoi( st.c_str() );
6447
6448         virtual_segment_c *p_segment;
6449         chapter_item_c *p_chapter = sys.FindChapter( i_chapter_uid, p_segment );
6450
6451         if ( p_chapter == NULL )
6452             msg_Dbg( &sys.demuxer, "Chapter "I64Fd" not found", i_chapter_uid);
6453         else
6454         {
6455             if ( !p_chapter->EnterAndLeave( sys.p_current_segment->CurrentChapter() ) )
6456                 p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6457             b_result = true;
6458         }
6459     }
6460
6461     return b_result;
6462 }
6463
6464 void demux_sys_t::SwapButtons()
6465 {
6466 #ifndef WORDS_BIGENDIAN
6467     uint8_t button, i, j;
6468
6469     for( button = 1; button <= pci_packet.hli.hl_gi.btn_ns; button++) {
6470         btni_t *button_ptr = &(pci_packet.hli.btnit[button-1]);
6471         binary *p_data = (binary*) button_ptr;
6472
6473         uint16 i_x_start = ((p_data[0] & 0x3F) << 4 ) + ( p_data[1] >> 4 );
6474         uint16 i_x_end   = ((p_data[1] & 0x03) << 8 ) + p_data[2];
6475         uint16 i_y_start = ((p_data[3] & 0x3F) << 4 ) + ( p_data[4] >> 4 );
6476         uint16 i_y_end   = ((p_data[4] & 0x03) << 8 ) + p_data[5];
6477         button_ptr->x_start = i_x_start;
6478         button_ptr->x_end   = i_x_end;
6479         button_ptr->y_start = i_y_start;
6480         button_ptr->y_end   = i_y_end;
6481
6482     }
6483     for ( i = 0; i<3; i++ )
6484     {
6485         for ( j = 0; j<2; j++ )
6486         {
6487             pci_packet.hli.btn_colit.btn_coli[i][j] = U32_AT( &pci_packet.hli.btn_colit.btn_coli[i][j] );
6488         }
6489     }
6490 #endif
6491 }