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

   1 /*****************************************************************************
   2  * mkv.cpp : matroska demuxer
   3  *****************************************************************************
   4  * Copyright (C) 2003-2004 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   8  *          Steve Lhomme <steve.lhomme@free.fr>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  23  *****************************************************************************/
  24
  25 /*****************************************************************************
  26  * Preamble
  27  *****************************************************************************/
  28
  29 #include <vlc/vlc.h>
  30
  31 #ifdef HAVE_TIME_H
  32 #   include <time.h>                                               /* time() */
  33 #endif
  34
  35
  36 #include <vlc_codecs.h>               /* BITMAPINFOHEADER, WAVEFORMATEX */
  37 #include "iso_lang.h"
  38 #include "vlc_meta.h"
  39 #include <vlc_charset.h>
  40 #include <vlc_input.h>
  41 #include <vlc_demux.h>
  42
  43 #include <iostream>
  44 #include <cassert>
  45 #include <typeinfo>
  46 #include <string>
  47 #include <vector>
  48 #include <algorithm>
  49
  50 #ifdef HAVE_DIRENT_H
  51 #   include <dirent.h>
  52 #endif
  53
  54 /* libebml and matroska */
  55 #include "ebml/EbmlHead.h"
  56 #include "ebml/EbmlSubHead.h"
  57 #include "ebml/EbmlStream.h"
  58 #include "ebml/EbmlContexts.h"
  59 #include "ebml/EbmlVoid.h"
  60 #include "ebml/EbmlVersion.h"
  61 #include "ebml/StdIOCallback.h"
  62
  63 #include "matroska/KaxAttachments.h"
  64 #include "matroska/KaxAttached.h"
  65 #include "matroska/KaxBlock.h"
  66 #include "matroska/KaxBlockData.h"
  67 #include "matroska/KaxChapters.h"
  68 #include "matroska/KaxCluster.h"
  69 #include "matroska/KaxClusterData.h"
  70 #include "matroska/KaxContexts.h"
  71 #include "matroska/KaxCues.h"
  72 #include "matroska/KaxCuesData.h"
  73 #include "matroska/KaxInfo.h"
  74 #include "matroska/KaxInfoData.h"
  75 #include "matroska/KaxSeekHead.h"
  76 #include "matroska/KaxSegment.h"
  77 #include "matroska/KaxTag.h"
  78 #include "matroska/KaxTags.h"
  79 #include "matroska/KaxTagMulti.h"
  80 #include "matroska/KaxTracks.h"
  81 #include "matroska/KaxTrackAudio.h"
  82 #include "matroska/KaxTrackVideo.h"
  83 #include "matroska/KaxTrackEntryData.h"
  84 #include "matroska/KaxContentEncoding.h"
  85 #include "matroska/KaxVersion.h"
  86
  87 #include "ebml/StdIOCallback.h"
  88
  89 #if LIBMATROSKA_VERSION < 0x000706
  90 START_LIBMATROSKA_NAMESPACE
  91 extern const EbmlSemanticContext MATROSKA_DLL_API KaxMatroska_Context;
  92 END_LIBMATROSKA_NAMESPACE
  93 #endif
  94
  95 #include "vlc_keys.h"
  96
  97 extern "C" {
  98    #include "mp4/libmp4.h"
  99 }
 100 #ifdef HAVE_ZLIB_H
 101 #   include <zlib.h>
 102 #endif
 103
 104 #define MATROSKA_COMPRESSION_NONE  -1
 105 #define MATROSKA_COMPRESSION_ZLIB   0
 106 #define MATROSKA_COMPRESSION_BLIB   1
 107 #define MATROSKA_COMPRESSION_LZOX   2
 108 #define MATROSKA_COMPRESSION_HEADER 3
 109
 110 #define MKVD_TIMECODESCALE 1000000
 111
 112 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 113 #undef ATTRIBUTE_PACKED
 114 #undef PRAGMA_PACK_BEGIN
 115 #undef PRAGMA_PACK_END
 116
 117 #if defined(__GNUC__)
 118 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)
 119 #define ATTRIBUTE_PACKED __attribute__ ((packed))
 120 #define PRAGMA_PACK 0
 121 #endif
 122 #endif
 123
 124 #if !defined(ATTRIBUTE_PACKED)
 125 #define ATTRIBUTE_PACKED
 126 #define PRAGMA_PACK 1
 127 #endif
 128
 129 #if PRAGMA_PACK
 130 #pragma pack(1)
 131 #endif
 132
 133 /*************************************
 134 *  taken from libdvdnav / libdvdread
 135 **************************************/
 136
 137 /**
 138  * DVD Time Information.
 139  */
 140 typedef struct {
 141   uint8_t hour;
 142   uint8_t minute;
 143   uint8_t second;
 144   uint8_t frame_u; /* The two high bits are the frame rate. */
 145 } ATTRIBUTE_PACKED dvd_time_t;
 146
 147 /**
 148  * User Operations.
 149  */
 150 typedef struct {
 151 #ifdef WORDS_BIGENDIAN
 152   unsigned char zero                           : 7; /* 25-31 */
 153   unsigned char video_pres_mode_change         : 1; /* 24 */
 154
 155   unsigned char karaoke_audio_pres_mode_change : 1; /* 23 */
 156   unsigned char angle_change                   : 1;
 157   unsigned char subpic_stream_change           : 1;
 158   unsigned char audio_stream_change            : 1;
 159   unsigned char pause_on                       : 1;
 160   unsigned char still_off                      : 1;
 161   unsigned char button_select_or_activate      : 1;
 162   unsigned char resume                         : 1; /* 16 */
 163
 164   unsigned char chapter_menu_call              : 1; /* 15 */
 165   unsigned char angle_menu_call                : 1;
 166   unsigned char audio_menu_call                : 1;
 167   unsigned char subpic_menu_call               : 1;
 168   unsigned char root_menu_call                 : 1;
 169   unsigned char title_menu_call                : 1;
 170   unsigned char backward_scan                  : 1;
 171   unsigned char forward_scan                   : 1; /* 8 */
 172
 173   unsigned char next_pg_search                 : 1; /* 7 */
 174   unsigned char prev_or_top_pg_search          : 1;
 175   unsigned char time_or_chapter_search         : 1;
 176   unsigned char go_up                          : 1;
 177   unsigned char stop                           : 1;
 178   unsigned char title_play                     : 1;
 179   unsigned char chapter_search_or_play         : 1;
 180   unsigned char title_or_time_play             : 1; /* 0 */
 181 #else
 182   unsigned char video_pres_mode_change         : 1; /* 24 */
 183   unsigned char zero                           : 7; /* 25-31 */
 184
 185   unsigned char resume                         : 1; /* 16 */
 186   unsigned char button_select_or_activate      : 1;
 187   unsigned char still_off                      : 1;
 188   unsigned char pause_on                       : 1;
 189   unsigned char audio_stream_change            : 1;
 190   unsigned char subpic_stream_change           : 1;
 191   unsigned char angle_change                   : 1;
 192   unsigned char karaoke_audio_pres_mode_change : 1; /* 23 */
 193
 194   unsigned char forward_scan                   : 1; /* 8 */
 195   unsigned char backward_scan                  : 1;
 196   unsigned char title_menu_call                : 1;
 197   unsigned char root_menu_call                 : 1;
 198   unsigned char subpic_menu_call               : 1;
 199   unsigned char audio_menu_call                : 1;
 200   unsigned char angle_menu_call                : 1;
 201   unsigned char chapter_menu_call              : 1; /* 15 */
 202
 203   unsigned char title_or_time_play             : 1; /* 0 */
 204   unsigned char chapter_search_or_play         : 1;
 205   unsigned char title_play                     : 1;
 206   unsigned char stop                           : 1;
 207   unsigned char go_up                          : 1;
 208   unsigned char time_or_chapter_search         : 1;
 209   unsigned char prev_or_top_pg_search          : 1;
 210   unsigned char next_pg_search                 : 1; /* 7 */
 211 #endif
 212 } ATTRIBUTE_PACKED user_ops_t;
 213
 214 /**
 215  * Type to store per-command data.
 216  */
 217 typedef struct {
 218   uint8_t bytes[8];
 219 } ATTRIBUTE_PACKED vm_cmd_t;
 220 #define COMMAND_DATA_SIZE 8
 221
 222 /**
 223  * PCI General Information
 224  */
 225 typedef struct {
 226   uint32_t nv_pck_lbn;      /**< sector address of this nav pack */
 227   uint16_t vobu_cat;        /**< 'category' of vobu */
 228   uint16_t zero1;           /**< reserved */
 229   user_ops_t vobu_uop_ctl;  /**< UOP of vobu */
 230   uint32_t vobu_s_ptm;      /**< start presentation time of vobu */
 231   uint32_t vobu_e_ptm;      /**< end presentation time of vobu */
 232   uint32_t vobu_se_e_ptm;   /**< end ptm of sequence end in vobu */
 233   dvd_time_t e_eltm;        /**< Cell elapsed time */
 234   char vobu_isrc[32];
 235 } ATTRIBUTE_PACKED pci_gi_t;
 236
 237 /**
 238  * Non Seamless Angle Information
 239  */
 240 typedef struct {
 241   uint32_t nsml_agl_dsta[9];  /**< address of destination vobu in AGL_C#n */
 242 } ATTRIBUTE_PACKED nsml_agli_t;
 243
 244 /**
 245  * Highlight General Information
 246  *
 247  * For btngrX_dsp_ty the bits have the following meaning:
 248  * 000b: normal 4/3 only buttons
 249  * XX1b: wide (16/9) buttons
 250  * X1Xb: letterbox buttons
 251  * 1XXb: pan&scan buttons
 252  */
 253 typedef struct {
 254   uint16_t hli_ss; /**< status, only low 2 bits 0: no buttons, 1: different 2: equal 3: eual except for button cmds */
 255   uint32_t hli_s_ptm;              /**< start ptm of hli */
 256   uint32_t hli_e_ptm;              /**< end ptm of hli */
 257   uint32_t btn_se_e_ptm;           /**< end ptm of button select */
 258 #ifdef WORDS_BIGENDIAN
 259   unsigned char zero1 : 2;          /**< reserved */
 260   unsigned char btngr_ns : 2;       /**< number of button groups 1, 2 or 3 with 36/18/12 buttons */
 261   unsigned char zero2 : 1;          /**< reserved */
 262   unsigned char btngr1_dsp_ty : 3;  /**< display type of subpic stream for button group 1 */
 263   unsigned char zero3 : 1;          /**< reserved */
 264   unsigned char btngr2_dsp_ty : 3;  /**< display type of subpic stream for button group 2 */
 265   unsigned char zero4 : 1;          /**< reserved */
 266   unsigned char btngr3_dsp_ty : 3;  /**< display type of subpic stream for button group 3 */
 267 #else
 268   unsigned char btngr1_dsp_ty : 3;
 269   unsigned char zero2 : 1;
 270   unsigned char btngr_ns : 2;
 271   unsigned char zero1 : 2;
 272   unsigned char btngr3_dsp_ty : 3;
 273   unsigned char zero4 : 1;
 274   unsigned char btngr2_dsp_ty : 3;
 275   unsigned char zero3 : 1;
 276 #endif
 277   uint8_t btn_ofn;     /**< button offset number range 0-255 */
 278   uint8_t btn_ns;      /**< number of valid buttons  <= 36/18/12 (low 6 bits) */
 279   uint8_t nsl_btn_ns;  /**< number of buttons selectable by U_BTNNi (low 6 bits)   nsl_btn_ns <= btn_ns */
 280   uint8_t zero5;       /**< reserved */
 281   uint8_t fosl_btnn;   /**< forcedly selected button  (low 6 bits) */
 282   uint8_t foac_btnn;   /**< forcedly activated button (low 6 bits) */
 283 } ATTRIBUTE_PACKED hl_gi_t;
 284
 285
 286 /**
 287  * Button Color Information Table
 288  * Each entry beeing a 32bit word that contains the color indexs and alpha
 289  * values to use.  They are all represented by 4 bit number and stored
 290  * like this [Ci3, Ci2, Ci1, Ci0, A3, A2, A1, A0].   The actual palette
 291  * that the indexes reference is in the PGC.
 292  * \todo split the uint32_t into a struct
 293  */
 294 typedef struct {
 295   uint32_t btn_coli[3][2];  /**< [button color number-1][select:0/action:1] */
 296 } ATTRIBUTE_PACKED btn_colit_t;
 297
 298 /**
 299  * Button Information
 300  *
 301  * NOTE: I've had to change the structure from the disk layout to get
 302  * the packing to work with Sun's Forte C compiler.
 303  * The 4 and 7 bytes are 'rotated' was: ABC DEF GHIJ  is: ABCG DEFH IJ
 304  */
 305 typedef struct {
 306 #ifdef WORDS_BIGENDIAN
 307   uint32        btn_coln         : 2;  /**< button color number */
 308   uint32        x_start          : 10; /**< x start offset within the overlay */
 309   uint32        zero1            : 2;  /**< reserved */
 310   uint32        x_end            : 10; /**< x end offset within the overlay */
 311
 312   uint32        zero3            : 2;  /**< reserved */
 313   uint32        up               : 6;  /**< button index when pressing up */
 314
 315   uint32        auto_action_mode : 2;  /**< 0: no, 1: activated if selected */
 316   uint32        y_start          : 10; /**< y start offset within the overlay */
 317   uint32        zero2            : 2;  /**< reserved */
 318   uint32        y_end            : 10; /**< y end offset within the overlay */
 319
 320   uint32        zero4            : 2;  /**< reserved */
 321   uint32        down             : 6;  /**< button index when pressing down */
 322   unsigned char zero5            : 2;  /**< reserved */
 323   unsigned char left             : 6;  /**< button index when pressing left */
 324   unsigned char zero6            : 2;  /**< reserved */
 325   unsigned char right            : 6;  /**< button index when pressing right */
 326 #else
 327   uint32        x_end            : 10;
 328   uint32        zero1            : 2;
 329   uint32        x_start          : 10;
 330   uint32        btn_coln         : 2;
 331
 332   uint32        up               : 6;
 333   uint32        zero3            : 2;
 334
 335   uint32        y_end            : 10;
 336   uint32        zero2            : 2;
 337   uint32        y_start          : 10;
 338   uint32        auto_action_mode : 2;
 339
 340   uint32        down             : 6;
 341   uint32        zero4            : 2;
 342   unsigned char left             : 6;
 343   unsigned char zero5            : 2;
 344   unsigned char right            : 6;
 345   unsigned char zero6            : 2;
 346 #endif
 347   vm_cmd_t cmd;
 348 } ATTRIBUTE_PACKED btni_t;
 349
 350 /**
 351  * Highlight Information
 352  */
 353 typedef struct {
 354   hl_gi_t     hl_gi;
 355   btn_colit_t btn_colit;
 356   btni_t      btnit[36];
 357 } ATTRIBUTE_PACKED hli_t;
 358
 359 /**
 360  * PCI packet
 361  */
 362 typedef struct {
 363   pci_gi_t    pci_gi;
 364   nsml_agli_t nsml_agli;
 365   hli_t       hli;
 366   uint8_t     zero1[189];
 367 } ATTRIBUTE_PACKED pci_t;
 368
 369
 370 #if PRAGMA_PACK
 371 #pragma pack()
 372 #endif
 373 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 374
 375
 376 /**
 377  * What's between a directory and a filename?
 378  */
 379 #if defined( WIN32 )
 380     #define DIRECTORY_SEPARATOR '\\'
 381 #else
 382     #define DIRECTORY_SEPARATOR '/'
 383 #endif
 384
 385 using namespace LIBMATROSKA_NAMESPACE;
 386 using namespace std;
 387
 388 /*****************************************************************************
 389  * Module descriptor
 390  *****************************************************************************/
 391 static int  Open ( vlc_object_t * );
 392 static void Close( vlc_object_t * );
 393
 394 vlc_module_begin();
 395     set_shortname( "Matroska" );
 396     set_description( _("Matroska stream demuxer" ) );
 397     set_capability( "demux2", 50 );
 398     set_callbacks( Open, Close );
 399     set_category( CAT_INPUT );
 400     set_subcategory( SUBCAT_INPUT_DEMUX );
 401
 402     add_bool( "mkv-use-ordered-chapters", 1, NULL,
 403             N_("Ordered chapters"),
 404             N_("Play ordered chapters as specified in the segment."), VLC_TRUE );
 405
 406     add_bool( "mkv-use-chapter-codec", 1, NULL,
 407             N_("Chapter codecs"),
 408             N_("Use chapter codecs found in the segment."), VLC_TRUE );
 409
 410     add_bool( "mkv-preload-local-dir", 1, NULL,
 411             N_("Preload Directory"),
 412             N_("Preload matroska files from the same family in the same directory (not good for broken files)."), VLC_TRUE );
 413
 414     add_bool( "mkv-seek-percent", 0, NULL,
 415             N_("Seek based on percent not time"),
 416             N_("Seek based on percent not time."), VLC_TRUE );
 417
 418     add_bool( "mkv-use-dummy", 0, NULL,
 419             N_("Dummy Elements"),
 420             N_("Read and discard unknown EBML elements (not good for broken files)."), VLC_TRUE );
 421
 422     add_shortcut( "mka" );
 423     add_shortcut( "mkv" );
 424 vlc_module_end();
 425
 426 /*****************************************************************************
 427  * Local prototypes
 428  *****************************************************************************/
 429 #ifdef HAVE_ZLIB_H
 430 block_t *block_zlib_decompress( vlc_object_t *p_this, block_t *p_in_block ) {
 431     int result, dstsize, n;
 432     unsigned char *dst;
 433     block_t *p_block;
 434     z_stream d_stream;
 435
 436     d_stream.zalloc = (alloc_func)0;
 437     d_stream.zfree = (free_func)0;
 438     d_stream.opaque = (voidpf)0;
 439     result = inflateInit(&d_stream);
 440     if( result != Z_OK )
 441     {
 442         msg_Dbg( p_this, "inflateInit() failed. Result: %d", result );
 443         return NULL;
 444     }
 445
 446     d_stream.next_in = (Bytef *)p_in_block->p_buffer;
 447     d_stream.avail_in = p_in_block->i_buffer;
 448     n = 0;
 449     p_block = block_New( p_this, 0 );
 450     dst = NULL;
 451     do
 452     {
 453         n++;
 454         p_block = block_Realloc( p_block, 0, n * 1000 );
 455         dst = (unsigned char *)p_block->p_buffer;
 456         d_stream.next_out = (Bytef *)&dst[(n - 1) * 1000];
 457         d_stream.avail_out = 1000;
 458         result = inflate(&d_stream, Z_NO_FLUSH);
 459         if( ( result != Z_OK ) && ( result != Z_STREAM_END ) )
 460         {
 461             msg_Dbg( p_this, "Zlib decompression failed. Result: %d", result );
 462             return NULL;
 463         }
 464     }
 465     while( ( d_stream.avail_out == 0 ) && ( d_stream.avail_in != 0 ) &&
 466            ( result != Z_STREAM_END ) );
 467
 468     dstsize = d_stream.total_out;
 469     inflateEnd( &d_stream );
 470
 471     p_block = block_Realloc( p_block, 0, dstsize );
 472     p_block->i_buffer = dstsize;
 473     block_Release( p_in_block );
 474
 475     return p_block;
 476 }
 477 #endif
 478
 479 /**
 480  * Helper function to print the mkv parse tree
 481  */
 482 static void MkvTree( demux_t & demuxer, int i_level, const char *psz_format, ... )
 483 {
 484     va_list args;
 485     if( i_level > 9 )
 486     {
 487         msg_Err( &demuxer, "too deep tree" );
 488         return;
 489     }
 490     va_start( args, psz_format );
 491     static const char psz_foo[] = "|   |   |   |   |   |   |   |   |   |";
 492     char *psz_foo2 = (char*)malloc( ( i_level * 4 + 3 + strlen( psz_format ) ) * sizeof(char) );
 493     strncpy( psz_foo2, psz_foo, 4 * i_level );
 494     psz_foo2[ 4 * i_level ] = '+';
 495     psz_foo2[ 4 * i_level + 1 ] = ' ';
 496     strcpy( &psz_foo2[ 4 * i_level + 2 ], psz_format );
 497     __msg_GenericVa( VLC_OBJECT(&demuxer), MSG_QUEUE_NORMAL, VLC_MSG_DBG, "mkv", psz_foo2, args );
 498     free( psz_foo2 );
 499     va_end( args );
 500 }
 501
 502 /*****************************************************************************
 503  * Stream managment
 504  *****************************************************************************/
 505 class vlc_stream_io_callback: public IOCallback
 506 {
 507   private:
 508     stream_t       *s;
 509     vlc_bool_t     mb_eof;
 510     vlc_bool_t     b_owner;
 511
 512   public:
 513     vlc_stream_io_callback( stream_t *, vlc_bool_t );
 514
 515     virtual ~vlc_stream_io_callback()
 516     {
 517         if( b_owner )
 518             stream_Delete( s );
 519     }
 520
 521     virtual uint32   read            ( void *p_buffer, size_t i_size);
 522     virtual void     setFilePointer  ( int64_t i_offset, seek_mode mode = seek_beginning );
 523     virtual size_t   write           ( const void *p_buffer, size_t i_size);
 524     virtual uint64   getFilePointer  ( void );
 525     virtual void     close           ( void );
 526 };
 527
 528 /*****************************************************************************
 529  * Ebml Stream parser
 530  *****************************************************************************/
 531 class EbmlParser
 532 {
 533   public:
 534     EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux );
 535     virtual ~EbmlParser( void );
 536
 537     void Up( void );
 538     void Down( void );
 539     void Reset( demux_t *p_demux );
 540     EbmlElement *Get( void );
 541     void        Keep( void );
 542     EbmlElement *UnGet( uint64 i_block_pos, uint64 i_cluster_pos );
 543
 544     int GetLevel( void );
 545
 546   private:
 547     EbmlStream  *m_es;
 548     int         mi_level;
 549     EbmlElement *m_el[10];
 550     int64_t      mi_remain_size[10];
 551
 552     EbmlElement *m_got;
 553
 554     int         mi_user_level;
 555     vlc_bool_t  mb_keep;
 556     vlc_bool_t  mb_dummy;
 557 };
 558
 559
 560 /*****************************************************************************
 561  * Some functions to manipulate memory
 562  *****************************************************************************/
 563 #define GetFOURCC( p )  __GetFOURCC( (uint8_t*)p )
 564 static vlc_fourcc_t __GetFOURCC( uint8_t *p )
 565 {
 566     return VLC_FOURCC( p[0], p[1], p[2], p[3] );
 567 }
 568
 569 /*****************************************************************************
 570  * definitions of structures and functions used by this plugins
 571  *****************************************************************************/
 572 typedef struct
 573 {
 574 //    ~mkv_track_t();
 575
 576     vlc_bool_t   b_default;
 577     vlc_bool_t   b_enabled;
 578     unsigned int i_number;
 579
 580     int          i_extra_data;
 581     uint8_t      *p_extra_data;
 582
 583     char         *psz_codec;
 584
 585     uint64_t     i_default_duration;
 586     float        f_timecodescale;
 587     mtime_t      i_last_dts;
 588
 589     /* video */
 590     es_format_t fmt;
 591     float       f_fps;
 592     es_out_id_t *p_es;
 593
 594     /* audio */
 595     unsigned int i_original_rate;
 596
 597     vlc_bool_t      b_inited;
 598     /* data to be send first */
 599     int             i_data_init;
 600     uint8_t         *p_data_init;
 601
 602     /* hack : it's for seek */
 603     vlc_bool_t      b_search_keyframe;
 604     vlc_bool_t      b_silent;
 605
 606     /* informative */
 607     const char   *psz_codec_name;
 608     const char   *psz_codec_settings;
 609     const char   *psz_codec_info_url;
 610     const char   *psz_codec_download_url;
 611
 612     /* encryption/compression */
 613     int                    i_compression_type;
 614     KaxContentCompSettings *p_compression_data;
 615
 616 } mkv_track_t;
 617
 618 typedef struct
 619 {
 620     int     i_track;
 621     int     i_block_number;
 622
 623     int64_t i_position;
 624     int64_t i_time;
 625
 626     vlc_bool_t b_key;
 627 } mkv_index_t;
 628
 629 class demux_sys_t;
 630
 631 const binary MATROSKA_DVD_LEVEL_SS   = 0x30;
 632 const binary MATROSKA_DVD_LEVEL_LU   = 0x2A;
 633 const binary MATROSKA_DVD_LEVEL_TT   = 0x28;
 634 const binary MATROSKA_DVD_LEVEL_PGC  = 0x20;
 635 const binary MATROSKA_DVD_LEVEL_PG   = 0x18;
 636 const binary MATROSKA_DVD_LEVEL_PTT  = 0x10;
 637 const binary MATROSKA_DVD_LEVEL_CN   = 0x08;
 638
 639 class chapter_codec_cmds_c
 640 {
 641 public:
 642     chapter_codec_cmds_c( demux_sys_t & demuxer, int codec_id = -1)
 643     :p_private_data(NULL)
 644     ,i_codec_id( codec_id )
 645     ,sys( demuxer )
 646     {}
 647
 648     virtual ~chapter_codec_cmds_c()
 649     {
 650         delete p_private_data;
 651         std::vector<KaxChapterProcessData*>::iterator indexe = enter_cmds.begin();
 652         while ( indexe != enter_cmds.end() )
 653         {
 654             delete (*indexe);
 655             indexe++;
 656         }
 657         std::vector<KaxChapterProcessData*>::iterator indexl = leave_cmds.begin();
 658         while ( indexl != leave_cmds.end() )
 659         {
 660             delete (*indexl);
 661             indexl++;
 662         }
 663         std::vector<KaxChapterProcessData*>::iterator indexd = during_cmds.begin();
 664         while ( indexd != during_cmds.end() )
 665         {
 666             delete (*indexd);
 667             indexd++;
 668         }
 669     }
 670
 671     void SetPrivate( const KaxChapterProcessPrivate & private_data )
 672     {
 673         p_private_data = new KaxChapterProcessPrivate( private_data );
 674     }
 675
 676     void AddCommand( const KaxChapterProcessCommand & command );
 677
 678     /// \return wether the codec has seeked in the files or not
 679     virtual bool Enter() { return false; }
 680     virtual bool Leave() { return false; }
 681     virtual std::string GetCodecName( bool f_for_title = false ) const { return ""; }
 682     virtual int16 GetTitleNumber() { return -1; }
 683
 684     KaxChapterProcessPrivate *p_private_data;
 685
 686 protected:
 687     std::vector<KaxChapterProcessData*> enter_cmds;
 688     std::vector<KaxChapterProcessData*> during_cmds;
 689     std::vector<KaxChapterProcessData*> leave_cmds;
 690
 691     int i_codec_id;
 692     demux_sys_t & sys;
 693 };
 694
 695 class dvd_command_interpretor_c
 696 {
 697 public:
 698     dvd_command_interpretor_c( demux_sys_t & demuxer )
 699     :sys( demuxer )
 700     {
 701         memset( p_PRMs, 0, sizeof(p_PRMs) );
 702         p_PRMs[ 0x80 + 1 ] = 15;
 703         p_PRMs[ 0x80 + 2 ] = 62;
 704         p_PRMs[ 0x80 + 3 ] = 1;
 705         p_PRMs[ 0x80 + 4 ] = 1;
 706         p_PRMs[ 0x80 + 7 ] = 1;
 707         p_PRMs[ 0x80 + 8 ] = 1;
 708         p_PRMs[ 0x80 + 16 ] = 0xFFFFu;
 709         p_PRMs[ 0x80 + 18 ] = 0xFFFFu;
 710     }
 711
 712     bool Interpret( const binary * p_command, size_t i_size = 8 );
 713
 714     uint16 GetPRM( size_t index ) const
 715     {
 716         if ( index < 256 )
 717             return p_PRMs[ index ];
 718         else return 0;
 719     }
 720
 721     uint16 GetGPRM( size_t index ) const
 722     {
 723         if ( index >= 0 && index < 16 )
 724             return p_PRMs[ index ];
 725         else return 0;
 726     }
 727
 728     uint16 GetSPRM( size_t index ) const
 729     {
 730         // 21,22,23 reserved for future use
 731         if ( index >= 0x80 && index < 0x95 )
 732             return p_PRMs[ index ];
 733         else return 0;
 734     }
 735
 736     bool SetPRM( size_t index, uint16 value )
 737     {
 738         if ( index >= 0 && index < 16 )
 739         {
 740             p_PRMs[ index ] = value;
 741             return true;
 742         }
 743         return false;
 744     }
 745
 746     bool SetGPRM( size_t index, uint16 value )
 747     {
 748         if ( index >= 0 && index < 16 )
 749         {
 750             p_PRMs[ index ] = value;
 751             return true;
 752         }
 753         return false;
 754     }
 755
 756     bool SetSPRM( size_t index, uint16 value )
 757     {
 758         if ( index > 0x80 && index <= 0x8D && index != 0x8C )
 759         {
 760             p_PRMs[ index ] = value;
 761             return true;
 762         }
 763         return false;
 764     }
 765
 766 protected:
 767     std::string GetRegTypeName( bool b_value, uint16 value ) const
 768     {
 769         std::string result;
 770         char s_value[6], s_reg_value[6];
 771         sprintf( s_value, "%.5d", value );
 772
 773         if ( b_value )
 774         {
 775             result = "value (";
 776             result += s_value;
 777             result += ")";
 778         }
 779         else if ( value < 0x80 )
 780         {
 781             sprintf( s_reg_value, "%.5d", GetPRM( value ) );
 782             result = "GPreg[";
 783             result += s_value;
 784             result += "] (";
 785             result += s_reg_value;
 786             result += ")";
 787         }
 788         else
 789         {
 790             sprintf( s_reg_value, "%.5d", GetPRM( value ) );
 791             result = "SPreg[";
 792             result += s_value;
 793             result += "] (";
 794             result += s_reg_value;
 795             result += ")";
 796         }
 797         return result;
 798     }
 799
 800     uint16       p_PRMs[256];
 801     demux_sys_t  & sys;
 802
 803     // DVD command IDs
 804
 805     // Tests
 806     // wether it's a comparison on the value or register
 807     static const uint16 CMD_DVD_TEST_VALUE          = 0x80;
 808     static const uint16 CMD_DVD_IF_GPREG_AND        = (1 << 4);
 809     static const uint16 CMD_DVD_IF_GPREG_EQUAL      = (2 << 4);
 810     static const uint16 CMD_DVD_IF_GPREG_NOT_EQUAL  = (3 << 4);
 811     static const uint16 CMD_DVD_IF_GPREG_SUP_EQUAL  = (4 << 4);
 812     static const uint16 CMD_DVD_IF_GPREG_SUP        = (5 << 4);
 813     static const uint16 CMD_DVD_IF_GPREG_INF_EQUAL  = (6 << 4);
 814     static const uint16 CMD_DVD_IF_GPREG_INF        = (7 << 4);
 815
 816     static const uint16 CMD_DVD_NOP                    = 0x0000;
 817     static const uint16 CMD_DVD_GOTO_LINE              = 0x0001;
 818     static const uint16 CMD_DVD_BREAK                  = 0x0002;
 819     // Links
 820     static const uint16 CMD_DVD_NOP2                   = 0x2001;
 821     static const uint16 CMD_DVD_LINKPGCN               = 0x2004;
 822     static const uint16 CMD_DVD_LINKPGN                = 0x2006;
 823     static const uint16 CMD_DVD_LINKCN                 = 0x2007;
 824     static const uint16 CMD_DVD_JUMP_TT                = 0x3002;
 825     static const uint16 CMD_DVD_JUMPVTS_TT             = 0x3003;
 826     static const uint16 CMD_DVD_JUMPVTS_PTT            = 0x3005;
 827     static const uint16 CMD_DVD_JUMP_SS                = 0x3006;
 828     static const uint16 CMD_DVD_CALLSS_VTSM1           = 0x3008;
 829     //
 830     static const uint16 CMD_DVD_SET_HL_BTNN2           = 0x4600;
 831     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN1  = 0x4604;
 832     static const uint16 CMD_DVD_SET_STREAM             = 0x5100;
 833     static const uint16 CMD_DVD_SET_GPRMMD             = 0x5300;
 834     static const uint16 CMD_DVD_SET_HL_BTNN1           = 0x5600;
 835     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN2  = 0x5604;
 836     static const uint16 CMD_DVD_SET_HL_BTNN_LINKCN     = 0x5607;
 837     // Operations
 838     static const uint16 CMD_DVD_MOV_SPREG_PREG         = 0x6100;
 839     static const uint16 CMD_DVD_GPREG_MOV_VALUE        = 0x7100;
 840     static const uint16 CMD_DVD_SUB_GPREG              = 0x7400;
 841     static const uint16 CMD_DVD_MULT_GPREG             = 0x7500;
 842     static const uint16 CMD_DVD_GPREG_DIV_VALUE        = 0x7600;
 843     static const uint16 CMD_DVD_GPREG_AND_VALUE        = 0x7900;
 844
 845     // callbacks when browsing inside CodecPrivate
 846     static bool MatchIsDomain     ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 847     static bool MatchIsVMG        ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 848     static bool MatchVTSNumber    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 849     static bool MatchVTSMNumber   ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 850     static bool MatchTitleNumber  ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 851     static bool MatchPgcType      ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 852     static bool MatchPgcNumber    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 853     static bool MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 854     static bool MatchCellNumber   ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 855 };
 856
 857 class dvd_chapter_codec_c : public chapter_codec_cmds_c
 858 {
 859 public:
 860     dvd_chapter_codec_c( demux_sys_t & sys )
 861     :chapter_codec_cmds_c( sys, 1 )
 862     {}
 863
 864     bool Enter();
 865     bool Leave();
 866     std::string GetCodecName( bool f_for_title = false ) const;
 867     int16 GetTitleNumber();
 868 };
 869
 870 class matroska_script_interpretor_c
 871 {
 872 public:
 873     matroska_script_interpretor_c( demux_sys_t & demuxer )
 874     :sys( demuxer )
 875     {}
 876
 877     bool Interpret( const binary * p_command, size_t i_size );
 878
 879     // DVD command IDs
 880     static const std::string CMD_MS_GOTO_AND_PLAY;
 881
 882 protected:
 883     demux_sys_t  & sys;
 884 };
 885
 886 const std::string matroska_script_interpretor_c::CMD_MS_GOTO_AND_PLAY = "GotoAndPlay";
 887
 888
 889 class matroska_script_codec_c : public chapter_codec_cmds_c
 890 {
 891 public:
 892     matroska_script_codec_c( demux_sys_t & sys )
 893     :chapter_codec_cmds_c( sys, 0 )
 894     ,interpretor( sys )
 895     {}
 896
 897     bool Enter();
 898     bool Leave();
 899
 900 protected:
 901     matroska_script_interpretor_c interpretor;
 902 };
 903
 904 class chapter_translation_c
 905 {
 906 public:
 907     chapter_translation_c()
 908         :p_translated(NULL)
 909     {}
 910
 911     ~chapter_translation_c()
 912     {
 913         delete p_translated;
 914     }
 915
 916     KaxChapterTranslateID  *p_translated;
 917     unsigned int           codec_id;
 918     std::vector<uint64_t>  editions;
 919 };
 920
 921 class chapter_item_c
 922 {
 923 public:
 924     chapter_item_c()
 925     :i_start_time(0)
 926     ,i_end_time(-1)
 927     ,i_user_start_time(-1)
 928     ,i_user_end_time(-1)
 929     ,i_seekpoint_num(-1)
 930     ,b_display_seekpoint(true)
 931     ,b_user_display(false)
 932     ,psz_parent(NULL)
 933     ,b_is_leaving(false)
 934     {}
 935
 936     virtual ~chapter_item_c()
 937     {
 938         std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
 939         while ( index != codecs.end() )
 940         {
 941             delete (*index);
 942             index++;
 943         }
 944         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
 945         while ( index_ != sub_chapters.end() )
 946         {
 947             delete (*index_);
 948             index_++;
 949         }
 950     }
 951
 952     int64_t RefreshChapters( bool b_ordered, int64_t i_prev_user_time );
 953     int PublishChapters( input_title_t & title, int & i_user_chapters, int i_level = 0 );
 954     virtual chapter_item_c * FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current, bool & b_found );
 955     void Append( const chapter_item_c & edition );
 956     chapter_item_c * FindChapter( int64_t i_find_uid );
 957     virtual chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
 958                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
 959                                     const void *p_cookie,
 960                                     size_t i_cookie_size );
 961     std::string                 GetCodecName( bool f_for_title = false ) const;
 962     bool                        ParentOf( const chapter_item_c & item ) const;
 963     int16                       GetTitleNumber( ) const;
 964
 965     int64_t                     i_start_time, i_end_time;
 966     int64_t                     i_user_start_time, i_user_end_time; /* the time in the stream when an edition is ordered */
 967     std::vector<chapter_item_c*> sub_chapters;
 968     int                         i_seekpoint_num;
 969     int64_t                     i_uid;
 970     bool                        b_display_seekpoint;
 971     bool                        b_user_display;
 972     std::string                 psz_name;
 973     chapter_item_c              *psz_parent;
 974     bool                        b_is_leaving;
 975
 976     std::vector<chapter_codec_cmds_c*> codecs;
 977
 978     static bool CompareTimecode( const chapter_item_c * itemA, const chapter_item_c * itemB )
 979     {
 980         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) );
 981     }
 982
 983     bool Enter( bool b_do_subchapters );
 984     bool Leave( bool b_do_subchapters );
 985     bool EnterAndLeave( chapter_item_c *p_item, bool b_enter = true );
 986 };
 987
 988 class chapter_edition_c : public chapter_item_c
 989 {
 990 public:
 991     chapter_edition_c()
 992     :b_ordered(false)
 993     {}
 994
 995     void RefreshChapters( );
 996     mtime_t Duration() const;
 997     std::string GetMainName() const;
 998     chapter_item_c * FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current );
 999
1000     bool                        b_ordered;
1001 };
1002
1003 class matroska_segment_c
1004 {
1005 public:
1006     matroska_segment_c( demux_sys_t & demuxer, EbmlStream & estream )
1007         :segment(NULL)
1008         ,es(estream)
1009         ,i_timescale(MKVD_TIMECODESCALE)
1010         ,i_duration(-1)
1011         ,i_start_time(0)
1012         ,i_cues_position(-1)
1013         ,i_chapters_position(-1)
1014         ,i_tags_position(-1)
1015         ,cluster(NULL)
1016         ,i_block_pos(0)
1017         ,i_cluster_pos(0)
1018         ,i_start_pos(0)
1019         ,p_segment_uid(NULL)
1020         ,p_prev_segment_uid(NULL)
1021         ,p_next_segment_uid(NULL)
1022         ,b_cues(VLC_FALSE)
1023         ,i_index(0)
1024         ,i_index_max(1024)
1025         ,psz_muxing_application(NULL)
1026         ,psz_writing_application(NULL)
1027         ,psz_segment_filename(NULL)
1028         ,psz_title(NULL)
1029         ,psz_date_utc(NULL)
1030         ,i_default_edition(0)
1031         ,sys(demuxer)
1032         ,ep(NULL)
1033         ,b_preloaded(false)
1034     {
1035         p_indexes = (mkv_index_t*)malloc( sizeof( mkv_index_t ) * i_index_max );
1036     }
1037
1038     virtual ~matroska_segment_c()
1039     {
1040         for( size_t i_track = 0; i_track < tracks.size(); i_track++ )
1041         {
1042             if ( tracks[i_track]->p_compression_data )
1043             {
1044                 delete tracks[i_track]->p_compression_data;
1045             }
1046             es_format_Clean( &tracks[i_track]->fmt );
1047             if( tracks[i_track]->p_extra_data )
1048                 free( tracks[i_track]->p_extra_data );
1049             if( tracks[i_track]->psz_codec )
1050                 free( tracks[i_track]->psz_codec );
1051             delete tracks[i_track];
1052         }
1053
1054         if( psz_writing_application )
1055         {
1056             free( psz_writing_application );
1057         }
1058         if( psz_muxing_application )
1059         {
1060             free( psz_muxing_application );
1061         }
1062         if( psz_segment_filename )
1063         {
1064             free( psz_segment_filename );
1065         }
1066         if( psz_title )
1067         {
1068             free( psz_title );
1069         }
1070         if( psz_date_utc )
1071         {
1072             free( psz_date_utc );
1073         }
1074         if ( p_indexes )
1075             free( p_indexes );
1076
1077         delete ep;
1078         delete segment;
1079         delete p_segment_uid;
1080         delete p_prev_segment_uid;
1081         delete p_next_segment_uid;
1082
1083         std::vector<chapter_edition_c*>::iterator index = stored_editions.begin();
1084         while ( index != stored_editions.end() )
1085         {
1086             delete (*index);
1087             index++;
1088         }
1089         std::vector<chapter_translation_c*>::iterator indext = translations.begin();
1090         while ( indext != translations.end() )
1091         {
1092             delete (*indext);
1093             indext++;
1094         }
1095         std::vector<KaxSegmentFamily*>::iterator indexf = families.begin();
1096         while ( indexf != families.end() )
1097         {
1098             delete (*indexf);
1099             indexf++;
1100         }
1101     }
1102
1103     KaxSegment              *segment;
1104     EbmlStream              & es;
1105
1106     /* time scale */
1107     uint64_t                i_timescale;
1108
1109     /* duration of the segment */
1110     mtime_t                 i_duration;
1111     mtime_t                 i_start_time;
1112
1113     /* all tracks */
1114     std::vector<mkv_track_t*> tracks;
1115
1116     /* from seekhead */
1117     int64_t                 i_cues_position;
1118     int64_t                 i_chapters_position;
1119     int64_t                 i_tags_position;
1120
1121     KaxCluster              *cluster;
1122     uint64                  i_block_pos;
1123     uint64                  i_cluster_pos;
1124     int64_t                 i_start_pos;
1125     KaxSegmentUID           *p_segment_uid;
1126     KaxPrevUID              *p_prev_segment_uid;
1127     KaxNextUID              *p_next_segment_uid;
1128
1129     vlc_bool_t              b_cues;
1130     int                     i_index;
1131     int                     i_index_max;
1132     mkv_index_t             *p_indexes;
1133
1134     /* info */
1135     char                    *psz_muxing_application;
1136     char                    *psz_writing_application;
1137     char                    *psz_segment_filename;
1138     char                    *psz_title;
1139     char                    *psz_date_utc;
1140
1141     /* !!!!! GCC 3.3 bug on Darwin !!!!! */
1142     /* when you remove this variable the compiler issues an atomicity error */
1143     /* this variable only works when using std::vector<chapter_edition_c> */
1144     std::vector<chapter_edition_c*> stored_editions;
1145     int                             i_default_edition;
1146
1147     std::vector<chapter_translation_c*> translations;
1148     std::vector<KaxSegmentFamily*>  families;
1149
1150     demux_sys_t                    & sys;
1151     EbmlParser                     *ep;
1152     bool                           b_preloaded;
1153
1154     bool Preload( );
1155     bool PreloadFamily( const matroska_segment_c & segment );
1156     void ParseInfo( KaxInfo *info );
1157     void ParseAttachments( KaxAttachments *attachments );
1158     void ParseChapters( KaxChapters *chapters );
1159     void ParseSeekHead( KaxSeekHead *seekhead );
1160     void ParseTracks( KaxTracks *tracks );
1161     void ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters );
1162     void ParseTrackEntry( KaxTrackEntry *m );
1163     void ParseCluster( );
1164     void IndexAppendCluster( KaxCluster *cluster );
1165     void LoadCues( );
1166     void LoadTags( );
1167     void InformationCreate( );
1168     void Seek( mtime_t i_date, mtime_t i_time_offset );
1169 #if LIBMATROSKA_VERSION >= 0x000800
1170     int BlockGet( KaxBlock * &, KaxSimpleBlock * &, int64_t *, int64_t *, int64_t *);
1171 #else
1172     int BlockGet( KaxBlock * &, int64_t *, int64_t *, int64_t *);
1173 #endif
1174     bool Select( mtime_t i_start_time );
1175     void UnSelect( );
1176
1177     static bool CompareSegmentUIDs( const matroska_segment_c * item_a, const matroska_segment_c * item_b );
1178 };
1179
1180 // class holding hard-linked segment together in the playback order
1181 class virtual_segment_c
1182 {
1183 public:
1184     virtual_segment_c( matroska_segment_c *p_segment )
1185         :p_editions(NULL)
1186         ,i_sys_title(0)
1187         ,i_current_segment(0)
1188         ,i_current_edition(-1)
1189         ,psz_current_chapter(NULL)
1190     {
1191         linked_segments.push_back( p_segment );
1192
1193         AppendUID( p_segment->p_segment_uid );
1194         AppendUID( p_segment->p_prev_segment_uid );
1195         AppendUID( p_segment->p_next_segment_uid );
1196     }
1197
1198     void Sort();
1199     size_t AddSegment( matroska_segment_c *p_segment );
1200     void PreloadLinked( );
1201     mtime_t Duration( ) const;
1202     void LoadCues( );
1203     void Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter );
1204
1205     inline chapter_edition_c *Edition()
1206     {
1207         if ( i_current_edition >= 0 && size_t(i_current_edition) < p_editions->size() )
1208             return (*p_editions)[i_current_edition];
1209         return NULL;
1210     }
1211
1212     matroska_segment_c * Segment() const
1213     {
1214         if ( linked_segments.size() == 0 || i_current_segment >= linked_segments.size() )
1215             return NULL;
1216         return linked_segments[i_current_segment];
1217     }
1218
1219     inline chapter_item_c *CurrentChapter() {
1220         return psz_current_chapter;
1221     }
1222
1223     bool SelectNext()
1224     {
1225         if ( i_current_segment < linked_segments.size()-1 )
1226         {
1227             i_current_segment++;
1228             return true;
1229         }
1230         return false;
1231     }
1232
1233     bool FindUID( KaxSegmentUID & uid ) const
1234     {
1235         for ( size_t i=0; i<linked_uids.size(); i++ )
1236         {
1237             if ( linked_uids[i] == uid )
1238                 return true;
1239         }
1240         return false;
1241     }
1242
1243     bool UpdateCurrentToChapter( demux_t & demux );
1244     void PrepareChapters( );
1245
1246     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
1247                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
1248                                         const void *p_cookie,
1249                                         size_t i_cookie_size );
1250     chapter_item_c *FindChapter( int64_t i_find_uid );
1251
1252     std::vector<chapter_edition_c*>  *p_editions;
1253     int                              i_sys_title;
1254
1255 protected:
1256     std::vector<matroska_segment_c*> linked_segments;
1257     std::vector<KaxSegmentUID>       linked_uids;
1258     size_t                           i_current_segment;
1259
1260     int                              i_current_edition;
1261     chapter_item_c                   *psz_current_chapter;
1262
1263     void                             AppendUID( const EbmlBinary * UID );
1264 };
1265
1266 class matroska_stream_c
1267 {
1268 public:
1269     matroska_stream_c( demux_sys_t & demuxer )
1270         :p_in(NULL)
1271         ,p_es(NULL)
1272         ,sys(demuxer)
1273     {}
1274
1275     virtual ~matroska_stream_c()
1276     {
1277         delete p_in;
1278         delete p_es;
1279     }
1280
1281     IOCallback         *p_in;
1282     EbmlStream         *p_es;
1283
1284     std::vector<matroska_segment_c*> segments;
1285
1286     demux_sys_t                      & sys;
1287 };
1288
1289 typedef struct
1290 {
1291     VLC_COMMON_MEMBERS
1292
1293     demux_t        *p_demux;
1294     vlc_mutex_t     lock;
1295
1296     vlc_bool_t      b_moved;
1297     vlc_bool_t      b_clicked;
1298     vlc_bool_t      b_key;
1299
1300 } event_thread_t;
1301
1302
1303 class attachment_c
1304 {
1305 public:
1306     attachment_c()
1307         :p_data(NULL)
1308         ,i_size(0)
1309     {}
1310     virtual ~attachment_c()
1311     {
1312         if( p_data ) free( p_data );
1313     }
1314
1315     std::string    psz_file_name;
1316     std::string    psz_mime_type;
1317     void          *p_data;
1318     int            i_size;
1319 };
1320
1321 class demux_sys_t
1322 {
1323 public:
1324     demux_sys_t( demux_t & demux )
1325         :demuxer(demux)
1326         ,i_pts(0)
1327         ,i_start_pts(0)
1328         ,i_chapter_time(0)
1329         ,meta(NULL)
1330         ,i_current_title(0)
1331         ,p_current_segment(NULL)
1332         ,dvd_interpretor( *this )
1333         ,f_duration(-1.0)
1334         ,b_ui_hooked(false)
1335         ,p_input(NULL)
1336         ,b_pci_packet_set(false)
1337         ,p_ev(NULL)
1338     {
1339         vlc_mutex_init( &demuxer, &lock_demuxer );
1340     }
1341
1342     virtual ~demux_sys_t()
1343     {
1344         StopUiThread();
1345         size_t i;
1346         for ( i=0; i<streams.size(); i++ )
1347             delete streams[i];
1348         for ( i=0; i<opened_segments.size(); i++ )
1349             delete opened_segments[i];
1350         for ( i=0; i<used_segments.size(); i++ )
1351             delete used_segments[i];
1352         for ( i=0; i<stored_attachments.size(); i++ )
1353             delete stored_attachments[i];
1354         if( meta ) vlc_meta_Delete( meta );
1355
1356         while( titles.size() )
1357         { vlc_input_title_Delete( titles.back() ); titles.pop_back();}
1358
1359         vlc_mutex_destroy( &lock_demuxer );
1360     }
1361
1362     /* current data */
1363     demux_t                 & demuxer;
1364
1365     mtime_t                 i_pts;
1366     mtime_t                 i_start_pts;
1367     mtime_t                 i_chapter_time;
1368
1369     vlc_meta_t              *meta;
1370
1371     std::vector<input_title_t*>      titles; // matroska editions
1372     size_t                           i_current_title;
1373
1374     std::vector<matroska_stream_c*>  streams;
1375     std::vector<attachment_c*>       stored_attachments;
1376     std::vector<matroska_segment_c*> opened_segments;
1377     std::vector<virtual_segment_c*>  used_segments;
1378     virtual_segment_c                *p_current_segment;
1379
1380     dvd_command_interpretor_c        dvd_interpretor;
1381
1382     /* duration of the stream */
1383     float                   f_duration;
1384
1385     matroska_segment_c *FindSegment( const EbmlBinary & uid ) const;
1386     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
1387                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
1388                                         const void *p_cookie,
1389                                         size_t i_cookie_size,
1390                                         virtual_segment_c * & p_segment_found );
1391     chapter_item_c *FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found );
1392
1393     void PreloadFamily( const matroska_segment_c & of_segment );
1394     void PreloadLinked( matroska_segment_c *p_segment );
1395     bool PreparePlayback( virtual_segment_c *p_new_segment );
1396     matroska_stream_c *AnalyseAllSegmentsFound( demux_t *p_demux, EbmlStream *p_estream, bool b_initial = false );
1397     void JumpTo( virtual_segment_c & p_segment, chapter_item_c * p_chapter );
1398
1399     void StartUiThread();
1400     void StopUiThread();
1401     bool b_ui_hooked;
1402     inline void SwapButtons();
1403
1404     /* for spu variables */
1405     input_thread_t *p_input;
1406     pci_t          pci_packet;
1407     bool           b_pci_packet_set;
1408     uint8_t        palette[4][4];
1409     vlc_mutex_t    lock_demuxer;
1410
1411     /* event */
1412     event_thread_t *p_ev;
1413     static int EventThread( vlc_object_t *p_this );
1414     static int EventMouse( vlc_object_t *p_this, char const *psz_var,
1415                        vlc_value_t oldval, vlc_value_t newval, void *p_data );
1416     static int EventKey( vlc_object_t *p_this, char const *psz_var,
1417                      vlc_value_t oldval, vlc_value_t newval, void *p_data );
1418
1419
1420
1421 protected:
1422     virtual_segment_c *VirtualFromSegments( matroska_segment_c *p_segment ) const;
1423     bool IsUsedSegment( matroska_segment_c &p_segment ) const;
1424 };
1425
1426 static int  Demux  ( demux_t * );
1427 static int  Control( demux_t *, int, va_list );
1428 static void Seek   ( demux_t *, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter );
1429
1430 #define MKV_IS_ID( el, C ) ( EbmlId( (*el) ) == C::ClassInfos.GlobalId )
1431
1432 static inline char * ToUTF8( const UTFstring &u )
1433 {
1434     return strdup( u.GetUTF8().c_str() );
1435 }
1436
1437 /*****************************************************************************
1438  * Open: initializes matroska demux structures
1439  *****************************************************************************/
1440 static int Open( vlc_object_t * p_this )
1441 {
1442     demux_t            *p_demux = (demux_t*)p_this;
1443     demux_sys_t        *p_sys;
1444     matroska_stream_c  *p_stream;
1445     matroska_segment_c *p_segment;
1446     const uint8_t      *p_peek;
1447     std::string         s_path, s_filename;
1448     vlc_stream_io_callback *p_io_callback;
1449     EbmlStream         *p_io_stream;
1450
1451     /* peek the begining */
1452     if( stream_Peek( p_demux->s, &p_peek, 4 ) < 4 ) return VLC_EGENERIC;
1453
1454     /* is a valid file */
1455     if( p_peek[0] != 0x1a || p_peek[1] != 0x45 ||
1456         p_peek[2] != 0xdf || p_peek[3] != 0xa3 ) return VLC_EGENERIC;
1457
1458     /* Set the demux function */
1459     p_demux->pf_demux   = Demux;
1460     p_demux->pf_control = Control;
1461     p_demux->p_sys      = p_sys = new demux_sys_t( *p_demux );
1462
1463     p_io_callback = new vlc_stream_io_callback( p_demux->s, VLC_FALSE );
1464     p_io_stream = new EbmlStream( *p_io_callback );
1465
1466     if( p_io_stream == NULL )
1467     {
1468         msg_Err( p_demux, "failed to create EbmlStream" );
1469         delete p_io_callback;
1470         delete p_sys;
1471         return VLC_EGENERIC;
1472     }
1473
1474     p_stream = p_sys->AnalyseAllSegmentsFound( p_demux, p_io_stream, true );
1475     if( p_stream == NULL )
1476     {
1477         msg_Err( p_demux, "cannot find KaxSegment" );
1478         goto error;
1479     }
1480     p_sys->streams.push_back( p_stream );
1481
1482     p_stream->p_in = p_io_callback;
1483     p_stream->p_es = p_io_stream;
1484
1485     for (size_t i=0; i<p_stream->segments.size(); i++)
1486     {
1487         p_stream->segments[i]->Preload();
1488     }
1489
1490     p_segment = p_stream->segments[0];
1491     if( p_segment->cluster != NULL )
1492     {
1493         msg_Warn( p_demux, "cannot find any cluster, damaged file ?" );
1494
1495         // reset the stream reading to the first cluster of the segment used
1496         p_stream->p_in->setFilePointer( p_segment->cluster->GetElementPosition() );
1497     }
1498
1499     if (config_GetInt( p_demux, "mkv-preload-local-dir" ))
1500     {
1501         /* get the files from the same dir from the same family (based on p_demux->psz_path) */
1502         if (p_demux->psz_path[0] != '\0' && !strcmp(p_demux->psz_access, ""))
1503         {
1504             // assume it's a regular file
1505             // get the directory path
1506             s_path = p_demux->psz_path;
1507             if (s_path.at(s_path.length() - 1) == DIRECTORY_SEPARATOR)
1508             {
1509                 s_path = s_path.substr(0,s_path.length()-1);
1510             }
1511             else
1512             {
1513                 if (s_path.find_last_of(DIRECTORY_SEPARATOR) > 0)
1514                 {
1515                     s_path = s_path.substr(0,s_path.find_last_of(DIRECTORY_SEPARATOR));
1516                 }
1517             }
1518
1519             DIR *p_src_dir = utf8_opendir(s_path.c_str());
1520
1521             if (p_src_dir != NULL)
1522             {
1523                 char *psz_file;
1524                 while ((psz_file = utf8_readdir(p_src_dir)) != NULL)
1525                 {
1526                     if (strlen(psz_file) > 4)
1527                     {
1528                         s_filename = s_path + DIRECTORY_SEPARATOR + psz_file;
1529
1530 #ifdef WIN32
1531                         if (!strcasecmp(s_filename.c_str(), p_demux->psz_path))
1532 #else
1533                         if (!s_filename.compare(p_demux->psz_path))
1534 #endif
1535                         {
1536                             free (psz_file);
1537                             continue; // don't reuse the original opened file
1538                         }
1539
1540 #if defined(__GNUC__) && (__GNUC__ < 3)
1541                         if (!s_filename.compare("mkv", s_filename.length() - 3, 3) ||
1542                             !s_filename.compare("mka", s_filename.length() - 3, 3))
1543 #else
1544                         if (!s_filename.compare(s_filename.length() - 3, 3, "mkv") ||
1545                             !s_filename.compare(s_filename.length() - 3, 3, "mka"))
1546 #endif
1547                         {
1548                             // test wether this file belongs to our family
1549                             const uint8_t *p_peek;
1550                             bool          file_ok = false;
1551                             stream_t      *p_file_stream = stream_UrlNew(
1552                                                             p_demux,
1553                                                             s_filename.c_str());
1554                             /* peek the begining */
1555                             if( p_file_stream &&
1556                                 stream_Peek( p_file_stream, &p_peek, 4 ) >= 4
1557                                 && p_peek[0] == 0x1a && p_peek[1] == 0x45 &&
1558                                 p_peek[2] == 0xdf && p_peek[3] == 0xa3 ) file_ok = true;
1559
1560                             if ( file_ok )
1561                             {
1562                                 vlc_stream_io_callback *p_file_io = new vlc_stream_io_callback( p_file_stream, VLC_TRUE );
1563                                 EbmlStream *p_estream = new EbmlStream(*p_file_io);
1564
1565                                 p_stream = p_sys->AnalyseAllSegmentsFound( p_demux, p_estream );
1566
1567                                 if ( p_stream == NULL )
1568                                 {
1569                                     msg_Dbg( p_demux, "the file '%s' will not be used", s_filename.c_str() );
1570                                     delete p_estream;
1571                                     delete p_file_io;
1572                                 }
1573                                 else
1574                                 {
1575                                     p_stream->p_in = p_file_io;
1576                                     p_stream->p_es = p_estream;
1577                                     p_sys->streams.push_back( p_stream );
1578                                 }
1579                             }
1580                             else
1581                             {
1582                                 if( p_file_stream ) {
1583                                     stream_Delete( p_file_stream );
1584                                 }
1585                                 msg_Dbg( p_demux, "the file '%s' cannot be opened", s_filename.c_str() );
1586                             }
1587                         }
1588                     }
1589                     free (psz_file);
1590                 }
1591                 closedir( p_src_dir );
1592             }
1593         }
1594
1595         p_sys->PreloadFamily( *p_segment );
1596     }
1597
1598     p_sys->PreloadLinked( p_segment );
1599
1600     if ( !p_sys->PreparePlayback( NULL ) )
1601     {
1602         msg_Err( p_demux, "cannot use the segment" );
1603         goto error;
1604     }
1605
1606     p_sys->StartUiThread();
1607
1608     return VLC_SUCCESS;
1609
1610 error:
1611     delete p_sys;
1612     return VLC_EGENERIC;
1613 }
1614
1615 /*****************************************************************************
1616  * Close: frees unused data
1617  *****************************************************************************/
1618 static void Close( vlc_object_t *p_this )
1619 {
1620     demux_t     *p_demux = (demux_t*)p_this;
1621     demux_sys_t *p_sys   = p_demux->p_sys;
1622
1623     delete p_sys;
1624 }
1625
1626 /*****************************************************************************
1627  * Control:
1628  *****************************************************************************/
1629 static int Control( demux_t *p_demux, int i_query, va_list args )
1630 {
1631     demux_sys_t        *p_sys = p_demux->p_sys;
1632     int64_t     *pi64;
1633     double      *pf, f;
1634     int         i_skp;
1635     size_t      i_idx;
1636
1637     vlc_meta_t *p_meta;
1638     input_attachment_t ***ppp_attach;
1639     int *pi_int;
1640     int i;
1641
1642     switch( i_query )
1643     {
1644         case DEMUX_GET_ATTACHMENTS:
1645             ppp_attach = (input_attachment_t***)va_arg( args, input_attachment_t*** );
1646             pi_int = (int*)va_arg( args, int * );
1647
1648             if( p_sys->stored_attachments.size() <= 0 )
1649                 return VLC_EGENERIC;
1650
1651             *pi_int = p_sys->stored_attachments.size();
1652             *ppp_attach = (input_attachment_t**)malloc( sizeof(input_attachment_t**) *
1653                                                         p_sys->stored_attachments.size() );
1654             if( !(*ppp_attach) )
1655                 return VLC_ENOMEM;
1656             for( i = 0; i < p_sys->stored_attachments.size(); i++ )
1657             {
1658                 attachment_c *a = p_sys->stored_attachments[i];
1659                 (*ppp_attach)[i] = vlc_input_attachment_New( a->psz_file_name.c_str(), a->psz_mime_type.c_str(), NULL,
1660                                                              a->p_data, a->i_size );
1661             }
1662             return VLC_SUCCESS;
1663
1664         case DEMUX_GET_META:
1665             p_meta = (vlc_meta_t*)va_arg( args, vlc_meta_t* );
1666             vlc_meta_Merge( p_meta, p_sys->meta );
1667             return VLC_SUCCESS;
1668
1669         case DEMUX_GET_LENGTH:
1670             pi64 = (int64_t*)va_arg( args, int64_t * );
1671             if( p_sys->f_duration > 0.0 )
1672             {
1673                 *pi64 = (int64_t)(p_sys->f_duration * 1000);
1674                 return VLC_SUCCESS;
1675             }
1676             return VLC_EGENERIC;
1677
1678         case DEMUX_GET_POSITION:
1679             pf = (double*)va_arg( args, double * );
1680             if ( p_sys->f_duration > 0.0 )
1681                 *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);
1682             return VLC_SUCCESS;
1683
1684         case DEMUX_SET_POSITION:
1685             f = (double)va_arg( args, double );
1686             Seek( p_demux, -1, f, NULL );
1687             return VLC_SUCCESS;
1688
1689         case DEMUX_GET_TIME:
1690             pi64 = (int64_t*)va_arg( args, int64_t * );
1691             *pi64 = p_sys->i_pts;
1692             return VLC_SUCCESS;
1693
1694         case DEMUX_GET_TITLE_INFO:
1695             if( p_sys->titles.size() )
1696             {
1697                 input_title_t ***ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
1698                 int *pi_int    = (int*)va_arg( args, int* );
1699
1700                 *pi_int = p_sys->titles.size();
1701                 *ppp_title = (input_title_t**)malloc( sizeof( input_title_t**) * p_sys->titles.size() );
1702
1703                 for( size_t i = 0; i < p_sys->titles.size(); i++ )
1704                 {
1705                     (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->titles[i] );
1706                 }
1707
1708                 return VLC_SUCCESS;
1709             }
1710             return VLC_EGENERIC;
1711
1712         case DEMUX_SET_TITLE:
1713             /* TODO handle editions as titles */
1714             i_idx = (int)va_arg( args, int );
1715             if( i_idx < p_sys->used_segments.size() )
1716             {
1717                 p_sys->JumpTo( *p_sys->used_segments[i_idx], NULL );
1718                 return VLC_SUCCESS;
1719             }
1720             return VLC_EGENERIC;
1721
1722         case DEMUX_SET_SEEKPOINT:
1723             i_skp = (int)va_arg( args, int );
1724
1725             // TODO change the way it works with the << & >> buttons on the UI (+1/-1 instead of a number)
1726             if( p_sys->titles.size() && i_skp < p_sys->titles[p_sys->i_current_title]->i_seekpoint)
1727             {
1728                 Seek( p_demux, (int64_t)p_sys->titles[p_sys->i_current_title]->seekpoint[i_skp]->i_time_offset, -1, NULL);
1729                 p_demux->info.i_seekpoint |= INPUT_UPDATE_SEEKPOINT;
1730                 p_demux->info.i_seekpoint = i_skp;
1731                 return VLC_SUCCESS;
1732             }
1733             return VLC_EGENERIC;
1734
1735         case DEMUX_SET_TIME:
1736         case DEMUX_GET_FPS:
1737         default:
1738             return VLC_EGENERIC;
1739     }
1740 }
1741
1742 #if LIBMATROSKA_VERSION >= 0x000800
1743 int matroska_segment_c::BlockGet( KaxBlock * & pp_block, KaxSimpleBlock * & pp_simpleblock, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration )
1744 #else
1745 int matroska_segment_c::BlockGet( KaxBlock * & pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration )
1746 #endif
1747 {
1748 #if LIBMATROSKA_VERSION >= 0x000800
1749     pp_simpleblock = NULL;
1750 #endif
1751     pp_block = NULL;
1752     *pi_ref1  = 0;
1753     *pi_ref2  = 0;
1754
1755     for( ;; )
1756     {
1757         EbmlElement *el = NULL;
1758         int         i_level;
1759
1760         if ( ep == NULL )
1761             return VLC_EGENERIC;
1762
1763 #if LIBMATROSKA_VERSION >= 0x000800
1764         if( pp_simpleblock != NULL || ((el = ep->Get()) == NULL && pp_block != NULL) )
1765 #else
1766         if( (el = ep->Get()) == NULL && pp_block != NULL )
1767 #endif
1768         {
1769             /* update the index */
1770 #define idx p_indexes[i_index - 1]
1771             if( i_index > 0 && idx.i_time == -1 )
1772             {
1773 #if LIBMATROSKA_VERSION >= 0x000800
1774                 if ( pp_simpleblock != NULL )
1775                     idx.i_time        = pp_simpleblock->GlobalTimecode() / (mtime_t)1000;
1776                 else
1777 #endif
1778                     idx.i_time        = (*pp_block).GlobalTimecode() / (mtime_t)1000;
1779                 idx.b_key         = *pi_ref1 == 0 ? VLC_TRUE : VLC_FALSE;
1780             }
1781 #undef idx
1782             return VLC_SUCCESS;
1783         }
1784
1785         i_level = ep->GetLevel();
1786
1787         if( el == NULL )
1788         {
1789             if( i_level > 1 )
1790             {
1791                 ep->Up();
1792                 continue;
1793             }
1794             msg_Warn( &sys.demuxer, "EOF" );
1795             return VLC_EGENERIC;
1796         }
1797
1798         /* do parsing */
1799         switch ( i_level )
1800         {
1801         case 1:
1802             if( MKV_IS_ID( el, KaxCluster ) )
1803             {
1804                 cluster = (KaxCluster*)el;
1805                 i_cluster_pos = cluster->GetElementPosition();
1806
1807                 /* add it to the index */
1808                 if( i_index == 0 ||
1809                     ( i_index > 0 && p_indexes[i_index - 1].i_position < (int64_t)cluster->GetElementPosition() ) )
1810                 {
1811                     IndexAppendCluster( cluster );
1812                 }
1813
1814                 // reset silent tracks
1815                 for (size_t i=0; i<tracks.size(); i++)
1816                 {
1817                     tracks[i]->b_silent = VLC_FALSE;
1818                 }
1819
1820                 ep->Down();
1821             }
1822             else if( MKV_IS_ID( el, KaxCues ) )
1823             {
1824                 msg_Warn( &sys.demuxer, "find KaxCues FIXME" );
1825                 return VLC_EGENERIC;
1826             }
1827             else
1828             {
1829                 msg_Dbg( &sys.demuxer, "unknown (%s)", typeid( el ).name() );
1830             }
1831             break;
1832         case 2:
1833             if( MKV_IS_ID( el, KaxClusterTimecode ) )
1834             {
1835                 KaxClusterTimecode &ctc = *(KaxClusterTimecode*)el;
1836
1837                 ctc.ReadData( es.I_O(), SCOPE_ALL_DATA );
1838                 cluster->InitTimecode( uint64( ctc ), i_timescale );
1839             }
1840             else if( MKV_IS_ID( el, KaxClusterSilentTracks ) )
1841             {
1842                 ep->Down();
1843             }
1844             else if( MKV_IS_ID( el, KaxBlockGroup ) )
1845             {
1846                 i_block_pos = el->GetElementPosition();
1847                 ep->Down();
1848             }
1849 #if LIBMATROSKA_VERSION >= 0x000800
1850             else if( MKV_IS_ID( el, KaxSimpleBlock ) )
1851             {
1852                 pp_simpleblock = (KaxSimpleBlock*)el;
1853
1854                 pp_simpleblock->ReadData( es.I_O() );
1855                 pp_simpleblock->SetParent( *cluster );
1856             }
1857 #endif
1858             break;
1859         case 3:
1860             if( MKV_IS_ID( el, KaxBlock ) )
1861             {
1862                 pp_block = (KaxBlock*)el;
1863
1864                 pp_block->ReadData( es.I_O() );
1865                 pp_block->SetParent( *cluster );
1866
1867                 ep->Keep();
1868             }
1869             else if( MKV_IS_ID( el, KaxBlockDuration ) )
1870             {
1871                 KaxBlockDuration &dur = *(KaxBlockDuration*)el;
1872
1873                 dur.ReadData( es.I_O() );
1874                 *pi_duration = uint64( dur );
1875             }
1876             else if( MKV_IS_ID( el, KaxReferenceBlock ) )
1877             {
1878                 KaxReferenceBlock &ref = *(KaxReferenceBlock*)el;
1879
1880                 ref.ReadData( es.I_O() );
1881                 if( *pi_ref1 == 0 )
1882                 {
1883                     *pi_ref1 = int64( ref ) * cluster->GlobalTimecodeScale();
1884                 }
1885                 else if( *pi_ref2 == 0 )
1886                 {
1887                     *pi_ref2 = int64( ref ) * cluster->GlobalTimecodeScale();
1888                 }
1889             }
1890             else if( MKV_IS_ID( el, KaxClusterSilentTrackNumber ) )
1891             {
1892                 KaxClusterSilentTrackNumber &track_num = *(KaxClusterSilentTrackNumber*)el;
1893                 track_num.ReadData( es.I_O() );
1894                 // find the track
1895                 for (size_t i=0; i<tracks.size(); i++)
1896                 {
1897                     if ( tracks[i]->i_number == uint32(track_num))
1898                     {
1899                         tracks[i]->b_silent = VLC_TRUE;
1900                         break;
1901                     }
1902                 }
1903             }
1904             break;
1905         default:
1906             msg_Err( &sys.demuxer, "invalid level = %d", i_level );
1907             return VLC_EGENERIC;
1908         }
1909     }
1910 }
1911
1912 static block_t *MemToBlock( demux_t *p_demux, uint8_t *p_mem, int i_mem, size_t offset)
1913 {
1914     block_t *p_block;
1915     if( !(p_block = block_New( p_demux, i_mem + offset ) ) ) return NULL;
1916     memcpy( p_block->p_buffer + offset, p_mem, i_mem );
1917     //p_block->i_rate = p_input->stream.control.i_rate;
1918     return p_block;
1919 }
1920
1921 #if LIBMATROSKA_VERSION >= 0x000800
1922 static void BlockDecode( demux_t *p_demux, KaxBlock *block, KaxSimpleBlock *simpleblock,
1923                          mtime_t i_pts, mtime_t i_duration, bool f_mandatory )
1924 #else
1925 static void BlockDecode( demux_t *p_demux, KaxBlock *block, mtime_t i_pts,
1926                          mtime_t i_duration, bool f_mandatory )
1927 #endif
1928 {
1929     demux_sys_t        *p_sys = p_demux->p_sys;
1930     matroska_segment_c *p_segment = p_sys->p_current_segment->Segment();
1931
1932     size_t          i_track;
1933     unsigned int    i;
1934     vlc_bool_t      b;
1935
1936 #define tk  p_segment->tracks[i_track]
1937     for( i_track = 0; i_track < p_segment->tracks.size(); i_track++ )
1938     {
1939 #if LIBMATROSKA_VERSION >= 0x000800
1940         if( (block != NULL && tk->i_number == block->TrackNum()) ||
1941             (simpleblock != NULL && tk->i_number == simpleblock->TrackNum()))
1942 #else
1943         if( tk->i_number == block->TrackNum() )
1944 #endif
1945         {
1946             break;
1947         }
1948     }
1949
1950     if( i_track >= p_segment->tracks.size() )
1951     {
1952         msg_Err( p_demux, "invalid track number" );
1953         return;
1954     }
1955     if( tk->fmt.i_cat != NAV_ES && tk->p_es == NULL )
1956     {
1957         msg_Err( p_demux, "unknown track number" );
1958         return;
1959     }
1960     if( i_pts + i_duration < p_sys->i_start_pts && tk->fmt.i_cat == AUDIO_ES )
1961     {
1962         return; /* discard audio packets that shouldn't be rendered */
1963     }
1964
1965     if ( tk->fmt.i_cat != NAV_ES )
1966     {
1967         es_out_Control( p_demux->out, ES_OUT_GET_ES_STATE, tk->p_es, &b );
1968
1969         if( !b )
1970         {
1971             tk->b_inited = VLC_FALSE;
1972             return;
1973         }
1974     }
1975
1976
1977     /* First send init data */
1978     if( !tk->b_inited && tk->i_data_init > 0 )
1979     {
1980         block_t *p_init;
1981
1982         msg_Dbg( p_demux, "sending header (%d bytes)", tk->i_data_init );
1983         p_init = MemToBlock( p_demux, tk->p_data_init, tk->i_data_init, 0 );
1984         if( p_init ) es_out_Send( p_demux->out, tk->p_es, p_init );
1985     }
1986     tk->b_inited = VLC_TRUE;
1987
1988
1989 #if LIBMATROSKA_VERSION >= 0x000800
1990     for( i = 0;
1991         (block != NULL && i < block->NumberFrames()) || (simpleblock != NULL && i < simpleblock->NumberFrames());
1992         i++ )
1993 #else
1994     for( i = 0; i < block->NumberFrames(); i++ )
1995 #endif
1996     {
1997         block_t *p_block;
1998         DataBuffer *data;
1999 #if LIBMATROSKA_VERSION >= 0x000800
2000         if ( simpleblock != NULL )
2001         {
2002             data = &simpleblock->GetBuffer(i);
2003             // condition when the DTS is correct (keyframe or B frame == NOT P frame)
2004             f_mandatory = simpleblock->IsDiscardable() || simpleblock->IsKeyframe();
2005         }
2006         else
2007 #endif
2008         data = &block->GetBuffer(i);
2009
2010         if( tk->i_compression_type == MATROSKA_COMPRESSION_HEADER && tk->p_compression_data != NULL )
2011             p_block = MemToBlock( p_demux, data->Buffer(), data->Size(), tk->p_compression_data->GetSize() );
2012         else
2013             p_block = MemToBlock( p_demux, data->Buffer(), data->Size(), 0 );
2014
2015         if( p_block == NULL )
2016         {
2017             break;
2018         }
2019
2020 #if defined(HAVE_ZLIB_H)
2021         if( tk->i_compression_type == MATROSKA_COMPRESSION_ZLIB )
2022         {
2023             p_block = block_zlib_decompress( VLC_OBJECT(p_demux), p_block );
2024         }
2025         else
2026 #endif
2027         if( tk->i_compression_type == MATROSKA_COMPRESSION_HEADER )
2028         {
2029             memcpy( p_block->p_buffer, tk->p_compression_data->GetBuffer(), tk->p_compression_data->GetSize() );
2030         }
2031
2032         if ( tk->fmt.i_cat == NAV_ES )
2033         {
2034             // TODO handle the start/stop times of this packet
2035             if ( p_sys->b_ui_hooked )
2036             {
2037                 vlc_mutex_lock( &p_sys->p_ev->lock );
2038                 memcpy( &p_sys->pci_packet, &p_block->p_buffer[1], sizeof(pci_t) );
2039                 p_sys->SwapButtons();
2040                 p_sys->b_pci_packet_set = true;
2041                 vlc_mutex_unlock( &p_sys->p_ev->lock );
2042                 block_Release( p_block );
2043             }
2044             return;
2045         }
2046         // correct timestamping when B frames are used
2047         if( tk->fmt.i_cat != VIDEO_ES )
2048         {
2049             p_block->i_dts = p_block->i_pts = i_pts;
2050         }
2051         else
2052         {
2053             if( !strcmp( tk->psz_codec, "V_MS/VFW/FOURCC" ) )
2054             {
2055                 // in VFW we have no idea about B frames
2056                 p_block->i_pts = 0;
2057                 p_block->i_dts = i_pts;
2058             }
2059             else
2060             {
2061                 p_block->i_pts = i_pts;
2062                 if ( f_mandatory )
2063                     p_block->i_dts = p_block->i_pts;
2064                 else
2065                     p_block->i_dts = min( i_pts, tk->i_last_dts + (mtime_t)(tk->i_default_duration >> 10));
2066                 p_sys->i_pts = p_block->i_dts;
2067             }
2068         }
2069         tk->i_last_dts = p_block->i_dts;
2070
2071 #if 0
2072 msg_Dbg( p_demux, "block i_dts: "I64Fd" / i_pts: "I64Fd, p_block->i_dts, p_block->i_pts);
2073 #endif
2074         if( strcmp( tk->psz_codec, "S_VOBSUB" ) )
2075         {
2076             p_block->i_length = i_duration * 1000;
2077         }
2078
2079         es_out_Send( p_demux->out, tk->p_es, p_block );
2080
2081         /* use time stamp only for first block */
2082         i_pts = 0;
2083     }
2084
2085 #undef tk
2086 }
2087
2088 matroska_stream_c *demux_sys_t::AnalyseAllSegmentsFound( demux_t *p_demux, EbmlStream *p_estream, bool b_initial )
2089 {
2090     int i_upper_lvl = 0;
2091     size_t i;
2092     EbmlElement *p_l0, *p_l1, *p_l2;
2093     bool b_keep_stream = false, b_keep_segment;
2094
2095     // verify the EBML Header
2096     p_l0 = p_estream->FindNextID(EbmlHead::ClassInfos, 0xFFFFFFFFL);
2097     if (p_l0 == NULL)
2098     {
2099         msg_Err( p_demux, "No EBML header found" );
2100         return NULL;
2101     }
2102
2103     // verify we can read this Segment, we only support Matroska version 1 for now
2104     p_l0->Read(*p_estream, EbmlHead::ClassInfos.Context, i_upper_lvl, p_l0, true);
2105
2106     EDocType doc_type = GetChild<EDocType>(*static_cast<EbmlHead*>(p_l0));
2107     if (std::string(doc_type) != "matroska")
2108     {
2109         msg_Err( p_demux, "Not a Matroska file : DocType = %s ", std::string(doc_type).c_str());
2110         return NULL;
2111     }
2112
2113     EDocTypeReadVersion doc_read_version = GetChild<EDocTypeReadVersion>(*static_cast<EbmlHead*>(p_l0));
2114 #if LIBMATROSKA_VERSION >= 0x000800
2115     if (uint64(doc_read_version) > 2)
2116     {
2117         msg_Err( p_demux, "This matroska file is needs version "I64Fd" and this VLC only supports version 1 & 2", uint64(doc_read_version));
2118         return NULL;
2119     }
2120 #else
2121     if (uint64(doc_read_version) != 1)
2122     {
2123         msg_Err( p_demux, "This matroska file is needs version "I64Fd" and this VLC only supports version 1", uint64(doc_read_version));
2124         return NULL;
2125     }
2126 #endif
2127
2128     delete p_l0;
2129
2130
2131     // find all segments in this file
2132     p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFFLL);
2133     if (p_l0 == NULL)
2134     {
2135         return NULL;
2136     }
2137
2138     matroska_stream_c *p_stream1 = new matroska_stream_c( *this );
2139
2140     while (p_l0 != 0)
2141     {
2142         if (EbmlId(*p_l0) == KaxSegment::ClassInfos.GlobalId)
2143         {
2144             EbmlParser  *ep;
2145             matroska_segment_c *p_segment1 = new matroska_segment_c( *this, *p_estream );
2146             b_keep_segment = b_initial;
2147
2148             ep = new EbmlParser(p_estream, p_l0, &demuxer );
2149             p_segment1->ep = ep;
2150             p_segment1->segment = (KaxSegment*)p_l0;
2151
2152             while ((p_l1 = ep->Get()))
2153             {
2154                 if (MKV_IS_ID(p_l1, KaxInfo))
2155                 {
2156                     // find the families of this segment
2157                     KaxInfo *p_info = static_cast<KaxInfo*>(p_l1);
2158
2159                     p_info->Read(*p_estream, KaxInfo::ClassInfos.Context, i_upper_lvl, p_l2, true);
2160                     for( i = 0; i < p_info->ListSize(); i++ )
2161                     {
2162                         EbmlElement *l = (*p_info)[i];
2163
2164                         if( MKV_IS_ID( l, KaxSegmentUID ) )
2165                         {
2166                             KaxSegmentUID *p_uid = static_cast<KaxSegmentUID*>(l);
2167                             b_keep_segment = (FindSegment( *p_uid ) == NULL);
2168                             if ( !b_keep_segment )
2169                                 break; // this segment is already known
2170                             opened_segments.push_back( p_segment1 );
2171                             delete p_segment1->p_segment_uid;
2172                             p_segment1->p_segment_uid = new KaxSegmentUID(*p_uid);
2173                         }
2174                         else if( MKV_IS_ID( l, KaxPrevUID ) )
2175                         {
2176                             p_segment1->p_prev_segment_uid = new KaxPrevUID( *static_cast<KaxPrevUID*>(l) );
2177                         }
2178                         else if( MKV_IS_ID( l, KaxNextUID ) )
2179                         {
2180                             p_segment1->p_next_segment_uid = new KaxNextUID( *static_cast<KaxNextUID*>(l) );
2181                         }
2182                         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
2183                         {
2184                             KaxSegmentFamily *p_fam = new KaxSegmentFamily( *static_cast<KaxSegmentFamily*>(l) );
2185                             p_segment1->families.push_back( p_fam );
2186                         }
2187                     }
2188                     break;
2189                 }
2190             }
2191             if ( b_keep_segment )
2192             {
2193                 b_keep_stream = true;
2194                 p_stream1->segments.push_back( p_segment1 );
2195             }
2196             else
2197             {
2198                 p_segment1->segment = NULL;
2199                 delete p_segment1;
2200             }
2201         }
2202         if (p_l0->IsFiniteSize() )
2203         {
2204             p_l0->SkipData(*p_estream, KaxMatroska_Context);
2205             p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFL);
2206         }
2207         else
2208             p_l0 = p_l0->SkipData(*p_estream, KaxSegment_Context);
2209     }
2210
2211     if ( !b_keep_stream )
2212     {
2213         delete p_stream1;
2214         p_stream1 = NULL;
2215     }
2216
2217     return p_stream1;
2218 }
2219
2220 bool matroska_segment_c::Select( mtime_t i_start_time )
2221 {
2222     size_t i_track;
2223
2224     /* add all es */
2225     msg_Dbg( &sys.demuxer, "found %d es", (int)tracks.size() );
2226     sys.b_pci_packet_set = false;
2227
2228     for( i_track = 0; i_track < tracks.size(); i_track++ )
2229     {
2230         if( tracks[i_track]->fmt.i_cat == UNKNOWN_ES )
2231         {
2232             msg_Warn( &sys.demuxer, "invalid track[%d, n=%d]", (int)i_track, tracks[i_track]->i_number );
2233             tracks[i_track]->p_es = NULL;
2234             continue;
2235         }
2236
2237         if( !strcmp( tracks[i_track]->psz_codec, "V_MS/VFW/FOURCC" ) )
2238         {
2239             if( tracks[i_track]->i_extra_data < (int)sizeof( BITMAPINFOHEADER ) )
2240             {
2241                 msg_Err( &sys.demuxer, "missing/invalid BITMAPINFOHEADER" );
2242                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2243             }
2244             else
2245             {
2246                 BITMAPINFOHEADER *p_bih = (BITMAPINFOHEADER*)tracks[i_track]->p_extra_data;
2247
2248                 tracks[i_track]->fmt.video.i_width = GetDWLE( &p_bih->biWidth );
2249                 tracks[i_track]->fmt.video.i_height= GetDWLE( &p_bih->biHeight );
2250                 tracks[i_track]->fmt.i_codec       = GetFOURCC( &p_bih->biCompression );
2251
2252                 tracks[i_track]->fmt.i_extra       = GetDWLE( &p_bih->biSize ) - sizeof( BITMAPINFOHEADER );
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_bih[1], tracks[i_track]->fmt.i_extra );
2257                 }
2258             }
2259         }
2260         else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG1" ) ||
2261                  !strcmp( tracks[i_track]->psz_codec, "V_MPEG2" ) )
2262         {
2263             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'v' );
2264         }
2265         else if( !strncmp( tracks[i_track]->psz_codec, "V_THEORA", 8 ) )
2266         {
2267             uint8_t *p_data = tracks[i_track]->p_extra_data;
2268             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 't', 'h', 'e', 'o' );
2269             if( tracks[i_track]->i_extra_data >= 4 ) {
2270                 if( p_data[0] == 2 ) {
2271                     int i = 1;
2272                     int i_size1 = 0, i_size2 = 0;
2273                     p_data++;
2274                     /* read size of first header packet */
2275                     while( *p_data == 0xFF &&
2276                            i < tracks[i_track]->i_extra_data )
2277                     {
2278                         i_size1 += *p_data;
2279                         p_data++;
2280                         i++;
2281                     }
2282                     i_size1 += *p_data;
2283                     p_data++;
2284                     i++;
2285                     msg_Dbg( &sys.demuxer, "first theora header size %d", i_size1 );
2286                     /* read size of second header packet */
2287                     while( *p_data == 0xFF &&
2288                            i < tracks[i_track]->i_extra_data )
2289                     {
2290                         i_size2 += *p_data;
2291                         p_data++;
2292                         i++;
2293                     }
2294                     i_size2 += *p_data;
2295                     p_data++;
2296                     i++;
2297                     int i_size3 = tracks[i_track]->i_extra_data - i - i_size1
2298                         - i_size2;
2299                     msg_Dbg( &sys.demuxer, "second theora header size %d", i_size2 );
2300                     msg_Dbg( &sys.demuxer, "third theora header size %d", i_size3 );
2301                     tracks[i_track]->fmt.i_extra = i_size1 + i_size2 + i_size3
2302                         + 6;
2303                     if( i_size1 > 0 && i_size2 > 0 && i_size3 > 0  ) {
2304                         tracks[i_track]->fmt.p_extra =
2305                             malloc( tracks[i_track]->fmt.i_extra );
2306                         uint8_t *p_out = (uint8_t*)tracks[i_track]->fmt.p_extra;
2307                         *p_out++ = (i_size1>>8) & 0xFF;
2308                         *p_out++ = i_size1 & 0xFF;
2309                         memcpy( p_out, p_data, i_size1 );
2310                         p_data += i_size1;
2311                         p_out += i_size1;
2312
2313                         *p_out++ = (i_size2>>8) & 0xFF;
2314                         *p_out++ = i_size2 & 0xFF;
2315                         memcpy( p_out, p_data, i_size2 );
2316                         p_data += i_size2;
2317                         p_out += i_size2;
2318
2319                         *p_out++ = (i_size3>>8) & 0xFF;
2320                         *p_out++ = i_size3 & 0xFF;
2321                         memcpy( p_out, p_data, i_size3 );
2322                         p_data += i_size3;
2323                         p_out += i_size3;
2324                     }
2325                     else
2326                     {
2327                         msg_Err( &sys.demuxer, "inconsistant theora extradata" );
2328                     }
2329                 }
2330                 else {
2331                     msg_Err( &sys.demuxer, "Wrong number of ogg packets with theora headers (%d)", p_data[0] + 1 );
2332                 }
2333             }
2334         }
2335         else if( !strncmp( tracks[i_track]->psz_codec, "V_MPEG4", 7 ) )
2336         {
2337             if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/MS/V3" ) )
2338             {
2339                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'D', 'I', 'V', '3' );
2340             }
2341             else if( !strncmp( tracks[i_track]->psz_codec, "V_MPEG4/ISO", 11 ) )
2342             {
2343                 /* A MPEG 4 codec, SP, ASP, AP or AVC */
2344                 if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/ISO/AVC" ) )
2345                     tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'v', 'c', '1' );
2346                 else
2347                     tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' );
2348                 tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2349                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2350                 memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2351             }
2352         }
2353         else if( !strcmp( tracks[i_track]->psz_codec, "V_QUICKTIME" ) )
2354         {
2355             MP4_Box_t *p_box = (MP4_Box_t*)malloc( sizeof( MP4_Box_t ) );
2356             stream_t *p_mp4_stream = stream_MemoryNew( VLC_OBJECT(&sys.demuxer),
2357                                                        tracks[i_track]->p_extra_data,
2358                                                        tracks[i_track]->i_extra_data,
2359                                                        VLC_FALSE );
2360             MP4_ReadBoxCommon( p_mp4_stream, p_box );
2361             MP4_ReadBox_sample_vide( p_mp4_stream, p_box );
2362             tracks[i_track]->fmt.i_codec = p_box->i_type;
2363             tracks[i_track]->fmt.video.i_width = p_box->data.p_sample_vide->i_width;
2364             tracks[i_track]->fmt.video.i_height = p_box->data.p_sample_vide->i_height;
2365             tracks[i_track]->fmt.i_extra = p_box->data.p_sample_vide->i_qt_image_description;
2366             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2367             memcpy( tracks[i_track]->fmt.p_extra, p_box->data.p_sample_vide->p_qt_image_description, tracks[i_track]->fmt.i_extra );
2368             MP4_FreeBox_sample_vide( p_box );
2369             stream_Delete( p_mp4_stream );
2370         }
2371         else if( !strcmp( tracks[i_track]->psz_codec, "A_MS/ACM" ) )
2372         {
2373             if( tracks[i_track]->i_extra_data < (int)sizeof( WAVEFORMATEX ) )
2374             {
2375                 msg_Err( &sys.demuxer, "missing/invalid WAVEFORMATEX" );
2376                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2377             }
2378             else
2379             {
2380                 WAVEFORMATEX *p_wf = (WAVEFORMATEX*)tracks[i_track]->p_extra_data;
2381
2382                 wf_tag_to_fourcc( GetWLE( &p_wf->wFormatTag ), &tracks[i_track]->fmt.i_codec, NULL );
2383
2384                 tracks[i_track]->fmt.audio.i_channels   = GetWLE( &p_wf->nChannels );
2385                 tracks[i_track]->fmt.audio.i_rate = GetDWLE( &p_wf->nSamplesPerSec );
2386                 tracks[i_track]->fmt.i_bitrate    = GetDWLE( &p_wf->nAvgBytesPerSec ) * 8;
2387                 tracks[i_track]->fmt.audio.i_blockalign = GetWLE( &p_wf->nBlockAlign );;
2388                 tracks[i_track]->fmt.audio.i_bitspersample = GetWLE( &p_wf->wBitsPerSample );
2389
2390                 tracks[i_track]->fmt.i_extra            = GetWLE( &p_wf->cbSize );
2391                 if( tracks[i_track]->fmt.i_extra > 0 )
2392                 {
2393                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2394                     memcpy( tracks[i_track]->fmt.p_extra, &p_wf[1], tracks[i_track]->fmt.i_extra );
2395                 }
2396             }
2397         }
2398         else if( !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L3" ) ||
2399                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L2" ) ||
2400                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L1" ) )
2401         {
2402             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' );
2403         }
2404         else if( !strcmp( tracks[i_track]->psz_codec, "A_AC3" ) )
2405         {
2406             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' );
2407         }
2408         else if( !strcmp( tracks[i_track]->psz_codec, "A_DTS" ) )
2409         {
2410             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'd', 't', 's', ' ' );
2411         }
2412         else if( !strcmp( tracks[i_track]->psz_codec, "A_FLAC" ) )
2413         {
2414             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'f', 'l', 'a', 'c' );
2415             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2416             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2417             memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2418         }
2419         else if( !strcmp( tracks[i_track]->psz_codec, "A_VORBIS" ) )
2420         {
2421             int i, i_offset = 1, i_size[3], i_extra;
2422             uint8_t *p_extra;
2423
2424             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'v', 'o', 'r', 'b' );
2425
2426             /* Split the 3 headers */
2427             if( tracks[i_track]->p_extra_data[0] != 0x02 )
2428                 msg_Err( &sys.demuxer, "invalid vorbis header" );
2429
2430             for( i = 0; i < 2; i++ )
2431             {
2432                 i_size[i] = 0;
2433                 while( i_offset < tracks[i_track]->i_extra_data )
2434                 {
2435                     i_size[i] += tracks[i_track]->p_extra_data[i_offset];
2436                     if( tracks[i_track]->p_extra_data[i_offset++] != 0xff ) break;
2437                 }
2438             }
2439
2440             i_size[0] = __MIN(i_size[0], tracks[i_track]->i_extra_data - i_offset);
2441             i_size[1] = __MIN(i_size[1], tracks[i_track]->i_extra_data -i_offset -i_size[0]);
2442             i_size[2] = tracks[i_track]->i_extra_data - i_offset - i_size[0] - i_size[1];
2443
2444             tracks[i_track]->fmt.i_extra = 3 * 2 + i_size[0] + i_size[1] + i_size[2];
2445             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2446             p_extra = (uint8_t *)tracks[i_track]->fmt.p_extra; i_extra = 0;
2447             for( i = 0; i < 3; i++ )
2448             {
2449                 *(p_extra++) = i_size[i] >> 8;
2450                 *(p_extra++) = i_size[i] & 0xFF;
2451                 memcpy( p_extra, tracks[i_track]->p_extra_data + i_offset + i_extra,
2452                         i_size[i] );
2453                 p_extra += i_size[i];
2454                 i_extra += i_size[i];
2455             }
2456         }
2457         else if( !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG2/", strlen( "A_AAC/MPEG2/" ) ) ||
2458                  !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG4/", strlen( "A_AAC/MPEG4/" ) ) )
2459         {
2460             int i_profile, i_srate, sbr = 0;
2461             static unsigned int i_sample_rates[] =
2462             {
2463                     96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050,
2464                         16000, 12000, 11025, 8000,  7350,  0,     0,     0
2465             };
2466
2467             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
2468             /* create data for faad (MP4DecSpecificDescrTag)*/
2469
2470             if( !strcmp( &tracks[i_track]->psz_codec[12], "MAIN" ) )
2471             {
2472                 i_profile = 0;
2473             }
2474             else if( !strcmp( &tracks[i_track]->psz_codec[12], "LC" ) )
2475             {
2476                 i_profile = 1;
2477             }
2478             else if( !strcmp( &tracks[i_track]->psz_codec[12], "SSR" ) )
2479             {
2480                 i_profile = 2;
2481             }
2482             else if( !strcmp( &tracks[i_track]->psz_codec[12], "LC/SBR" ) )
2483             {
2484                 i_profile = 1;
2485                 sbr = 1;
2486             }
2487             else
2488             {
2489                 i_profile = 3;
2490             }
2491
2492             for( i_srate = 0; i_srate < 13; i_srate++ )
2493             {
2494                 if( i_sample_rates[i_srate] == tracks[i_track]->i_original_rate )
2495                 {
2496                     break;
2497                 }
2498             }
2499             msg_Dbg( &sys.demuxer, "profile=%d srate=%d", i_profile, i_srate );
2500
2501             tracks[i_track]->fmt.i_extra = sbr ? 5 : 2;
2502             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2503             ((uint8_t*)tracks[i_track]->fmt.p_extra)[0] = ((i_profile + 1) << 3) | ((i_srate&0xe) >> 1);
2504             ((uint8_t*)tracks[i_track]->fmt.p_extra)[1] = ((i_srate & 0x1) << 7) | (tracks[i_track]->fmt.audio.i_channels << 3);
2505             if (sbr != 0)
2506             {
2507                 int syncExtensionType = 0x2B7;
2508                 int iDSRI;
2509                 for (iDSRI=0; iDSRI<13; iDSRI++)
2510                     if( i_sample_rates[iDSRI] == tracks[i_track]->fmt.audio.i_rate )
2511                         break;
2512                 ((uint8_t*)tracks[i_track]->fmt.p_extra)[2] = (syncExtensionType >> 3) & 0xFF;
2513                 ((uint8_t*)tracks[i_track]->fmt.p_extra)[3] = ((syncExtensionType & 0x7) << 5) | 5;
2514                 ((uint8_t*)tracks[i_track]->fmt.p_extra)[4] = ((1 & 0x1) << 7) | (iDSRI << 3);
2515             }
2516         }
2517         else if( !strcmp( tracks[i_track]->psz_codec, "A_AAC" ) )
2518         {
2519             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
2520             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2521             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2522             memcpy( tracks[i_track]->fmt.p_extra, tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2523         }
2524         else if( !strcmp( tracks[i_track]->psz_codec, "A_WAVPACK4" ) )
2525         {
2526             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'W', 'V', 'P', 'K' );
2527             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2528             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2529             memcpy( tracks[i_track]->fmt.p_extra, tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2530         }
2531         else if( !strcmp( tracks[i_track]->psz_codec, "A_TTA1" ) )
2532         {
2533             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'T', 'T', 'A', '1' );
2534             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2535             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2536             memcpy( tracks[i_track]->fmt.p_extra, tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2537         }
2538         else if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) ||
2539                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/LIT" ) ||
2540                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/FLOAT/IEEE" ) )
2541         {
2542             if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) )
2543             {
2544                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
2545             }
2546             else
2547             {
2548                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
2549             }
2550             tracks[i_track]->fmt.audio.i_blockalign = ( tracks[i_track]->fmt.audio.i_bitspersample + 7 ) / 8 * tracks[i_track]->fmt.audio.i_channels;
2551         }
2552         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/UTF8" ) )
2553         {
2554             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 'u', 'b', 't' );
2555             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2556         }
2557         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/USF" ) )
2558         {
2559             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 's', 'f', ' ' );
2560             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2561             if( tracks[i_track]->i_extra_data )
2562             {
2563                 tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2564                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2565                 memcpy( tracks[i_track]->fmt.p_extra, tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2566             }
2567         }
2568         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/SSA" ) ||
2569                  !strcmp( tracks[i_track]->psz_codec, "S_TEXT/ASS" ) ||
2570                  !strcmp( tracks[i_track]->psz_codec, "S_SSA" ) ||
2571                  !strcmp( tracks[i_track]->psz_codec, "S_ASS" ))
2572         {
2573             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 's', 'a', ' ' );
2574             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2575             if( tracks[i_track]->i_extra_data )
2576             {
2577                 tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2578                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2579                 memcpy( tracks[i_track]->fmt.p_extra, tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2580             }
2581         }
2582         else if( !strcmp( tracks[i_track]->psz_codec, "S_VOBSUB" ) )
2583         {
2584             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's','p','u',' ' );
2585             if( tracks[i_track]->i_extra_data )
2586             {
2587                 char *p_start;
2588                 char *p_buf = (char *)malloc( tracks[i_track]->i_extra_data + 1);
2589                 memcpy( p_buf, tracks[i_track]->p_extra_data , tracks[i_track]->i_extra_data );
2590                 p_buf[tracks[i_track]->i_extra_data] = '\0';
2591
2592                 p_start = strstr( p_buf, "size:" );
2593                 if( sscanf( p_start, "size: %dx%d",
2594                         &tracks[i_track]->fmt.subs.spu.i_original_frame_width, &tracks[i_track]->fmt.subs.spu.i_original_frame_height ) == 2 )
2595                 {
2596                     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 );
2597                 }
2598                 else
2599                 {
2600                     msg_Warn( &sys.demuxer, "reading original frame size for vobsub failed" );
2601                 }
2602                 free( p_buf );
2603             }
2604         }
2605         else if( !strcmp( tracks[i_track]->psz_codec, "B_VOBBTN" ) )
2606         {
2607             tracks[i_track]->fmt.i_cat = NAV_ES;
2608             continue;
2609         }
2610         else
2611         {
2612             msg_Err( &sys.demuxer, "unknow codec id=`%s'", tracks[i_track]->psz_codec );
2613             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2614         }
2615         if( tracks[i_track]->b_default )
2616         {
2617             tracks[i_track]->fmt.i_priority = 1000;
2618         }
2619
2620         tracks[i_track]->p_es = es_out_Add( sys.demuxer.out, &tracks[i_track]->fmt );
2621
2622         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_start_time );
2623     }
2624
2625     sys.i_start_pts = i_start_time;
2626     // reset the stream reading to the first cluster of the segment used
2627     es.I_O().setFilePointer( i_start_pos );
2628
2629     delete ep;
2630     ep = new EbmlParser( &es, segment, &sys.demuxer );
2631
2632     return true;
2633 }
2634
2635 void demux_sys_t::StartUiThread()
2636 {
2637     if ( !b_ui_hooked )
2638     {
2639         msg_Dbg( &demuxer, "Starting the UI Hook" );
2640         b_ui_hooked = true;
2641         /* FIXME hack hack hack hack FIXME */
2642         /* Get p_input and create variable */
2643         p_input = (input_thread_t *) vlc_object_find( &demuxer, VLC_OBJECT_INPUT, FIND_PARENT );
2644         var_Create( p_input, "x-start", VLC_VAR_INTEGER );
2645         var_Create( p_input, "y-start", VLC_VAR_INTEGER );
2646         var_Create( p_input, "x-end", VLC_VAR_INTEGER );
2647         var_Create( p_input, "y-end", VLC_VAR_INTEGER );
2648         var_Create( p_input, "color", VLC_VAR_ADDRESS );
2649         var_Create( p_input, "menu-palette", VLC_VAR_ADDRESS );
2650         var_Create( p_input, "highlight", VLC_VAR_BOOL );
2651         var_Create( p_input, "highlight-mutex", VLC_VAR_MUTEX );
2652
2653         /* Now create our event thread catcher */
2654         p_ev = (event_thread_t *) vlc_object_create( &demuxer, sizeof( event_thread_t ) );
2655         p_ev->p_demux = &demuxer;
2656         p_ev->b_die = VLC_FALSE;
2657         vlc_mutex_init( p_ev, &p_ev->lock );
2658         vlc_thread_create( p_ev, "mkv event thread handler", EventThread,
2659                         VLC_THREAD_PRIORITY_LOW, VLC_FALSE );
2660     }
2661 }
2662
2663 void demux_sys_t::StopUiThread()
2664 {
2665     if ( b_ui_hooked )
2666     {
2667         vlc_object_kill( p_ev );
2668         vlc_thread_join( p_ev );
2669         vlc_object_destroy( p_ev );
2670
2671         p_ev = NULL;
2672
2673         var_Destroy( p_input, "highlight-mutex" );
2674         var_Destroy( p_input, "highlight" );
2675         var_Destroy( p_input, "x-start" );
2676         var_Destroy( p_input, "x-end" );
2677         var_Destroy( p_input, "y-start" );
2678         var_Destroy( p_input, "y-end" );
2679         var_Destroy( p_input, "color" );
2680         var_Destroy( p_input, "menu-palette" );
2681
2682         vlc_object_release( p_input );
2683
2684         msg_Dbg( &demuxer, "Stopping the UI Hook" );
2685     }
2686     b_ui_hooked = false;
2687 }
2688
2689 int demux_sys_t::EventMouse( vlc_object_t *p_this, char const *psz_var,
2690                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
2691 {
2692     event_thread_t *p_ev = (event_thread_t *) p_data;
2693     vlc_mutex_lock( &p_ev->lock );
2694     if( psz_var[6] == 'c' )
2695     {
2696         p_ev->b_clicked = VLC_TRUE;
2697         msg_Dbg( p_this, "Event Mouse: clicked");
2698     }
2699     else if( psz_var[6] == 'm' )
2700         p_ev->b_moved = VLC_TRUE;
2701     vlc_mutex_unlock( &p_ev->lock );
2702
2703     return VLC_SUCCESS;
2704 }
2705
2706 int demux_sys_t::EventKey( vlc_object_t *p_this, char const *psz_var,
2707                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
2708 {
2709     event_thread_t *p_ev = (event_thread_t *) p_data;
2710     vlc_mutex_lock( &p_ev->lock );
2711     p_ev->b_key = VLC_TRUE;
2712     vlc_mutex_unlock( &p_ev->lock );
2713     msg_Dbg( p_this, "Event Key");
2714
2715     return VLC_SUCCESS;
2716 }
2717
2718 int demux_sys_t::EventThread( vlc_object_t *p_this )
2719 {
2720     event_thread_t *p_ev = (event_thread_t*)p_this;
2721     demux_sys_t    *p_sys = p_ev->p_demux->p_sys;
2722     vlc_object_t   *p_vout = NULL;
2723
2724     p_ev->b_moved   = VLC_FALSE;
2725     p_ev->b_clicked = VLC_FALSE;
2726     p_ev->b_key     = VLC_FALSE;
2727
2728     /* catch all key event */
2729     var_AddCallback( p_ev->p_libvlc, "key-pressed", EventKey, p_ev );
2730
2731     /* main loop */
2732     while( !p_ev->b_die )
2733     {
2734         if ( !p_sys->b_pci_packet_set )
2735         {
2736             /* Wait 100ms */
2737             msleep( 100000 );
2738             continue;
2739         }
2740
2741         vlc_bool_t b_activated = VLC_FALSE;
2742
2743         /* KEY part */
2744         if( p_ev->b_key )
2745         {
2746             vlc_value_t valk;
2747             struct libvlc_int_t::hotkey *p_hotkeys = p_ev->p_libvlc->p_hotkeys;
2748             int i, i_action = -1;
2749
2750             msg_Dbg( p_ev->p_demux, "Handle Key Event");
2751
2752             vlc_mutex_lock( &p_ev->lock );
2753
2754             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2755
2756             var_Get( p_ev->p_libvlc, "key-pressed", &valk );
2757             for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
2758             {
2759                 if( p_hotkeys[i].i_key == valk.i_int )
2760                 {
2761                     i_action = p_hotkeys[i].i_action;
2762                 }
2763             }
2764
2765             uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2766
2767             switch( i_action )
2768             {
2769             case ACTIONID_NAV_LEFT:
2770                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2771                 {
2772                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2773                     if ( p_button_ptr->left > 0 && p_button_ptr->left <= pci->hli.hl_gi.btn_ns )
2774                     {
2775                         i_curr_button = p_button_ptr->left;
2776                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2777                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2778                         if ( button_ptr.auto_action_mode )
2779                         {
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.Interpret( button_ptr.cmd.bytes, 8 );
2785
2786                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2787                             vlc_mutex_lock( &p_ev->lock );
2788                         }
2789                     }
2790                 }
2791                 break;
2792             case ACTIONID_NAV_RIGHT:
2793                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2794                 {
2795                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2796                     if ( p_button_ptr->right > 0 && p_button_ptr->right <= pci->hli.hl_gi.btn_ns )
2797                     {
2798                         i_curr_button = p_button_ptr->right;
2799                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2800                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2801                         if ( button_ptr.auto_action_mode )
2802                         {
2803                             vlc_mutex_unlock( &p_ev->lock );
2804                             vlc_mutex_lock( &p_sys->lock_demuxer );
2805
2806                             // process the button action
2807                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2808
2809                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2810                             vlc_mutex_lock( &p_ev->lock );
2811                         }
2812                     }
2813                 }
2814                 break;
2815             case ACTIONID_NAV_UP:
2816                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2817                 {
2818                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2819                     if ( p_button_ptr->up > 0 && p_button_ptr->up <= pci->hli.hl_gi.btn_ns )
2820                     {
2821                         i_curr_button = p_button_ptr->up;
2822                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2823                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2824                         if ( button_ptr.auto_action_mode )
2825                         {
2826                             vlc_mutex_unlock( &p_ev->lock );
2827                             vlc_mutex_lock( &p_sys->lock_demuxer );
2828
2829                             // process the button action
2830                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2831
2832                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2833                             vlc_mutex_lock( &p_ev->lock );
2834                         }
2835                     }
2836                 }
2837                 break;
2838             case ACTIONID_NAV_DOWN:
2839                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2840                 {
2841                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2842                     if ( p_button_ptr->down > 0 && p_button_ptr->down <= pci->hli.hl_gi.btn_ns )
2843                     {
2844                         i_curr_button = p_button_ptr->down;
2845                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2846                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2847                         if ( button_ptr.auto_action_mode )
2848                         {
2849                             vlc_mutex_unlock( &p_ev->lock );
2850                             vlc_mutex_lock( &p_sys->lock_demuxer );
2851
2852                             // process the button action
2853                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2854
2855                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2856                             vlc_mutex_lock( &p_ev->lock );
2857                         }
2858                     }
2859                 }
2860                 break;
2861             case ACTIONID_NAV_ACTIVATE:
2862                 b_activated = VLC_TRUE;
2863
2864                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2865                 {
2866                     btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2867
2868                     vlc_mutex_unlock( &p_ev->lock );
2869                     vlc_mutex_lock( &p_sys->lock_demuxer );
2870
2871                     // process the button action
2872                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2873
2874                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2875                     vlc_mutex_lock( &p_ev->lock );
2876                 }
2877                 break;
2878             default:
2879                 break;
2880             }
2881             p_ev->b_key = VLC_FALSE;
2882             vlc_mutex_unlock( &p_ev->lock );
2883         }
2884
2885         /* MOUSE part */
2886         if( p_vout && ( p_ev->b_moved || p_ev->b_clicked ) )
2887         {
2888             vlc_value_t valx, valy;
2889
2890             vlc_mutex_lock( &p_ev->lock );
2891             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2892             var_Get( p_vout, "mouse-x", &valx );
2893             var_Get( p_vout, "mouse-y", &valy );
2894
2895             if( p_ev->b_clicked )
2896             {
2897                 int32_t button;
2898                 int32_t best,dist,d;
2899                 int32_t mx,my,dx,dy;
2900
2901                 msg_Dbg( p_ev->p_demux, "Handle Mouse Event: Mouse clicked x(%d)*y(%d)", (unsigned)valx.i_int, (unsigned)valy.i_int);
2902
2903                 b_activated = VLC_TRUE;
2904                 // get current button
2905                 best = 0;
2906                 dist = 0x08000000; /* >> than  (720*720)+(567*567); */
2907                 for(button = 1; button <= pci->hli.hl_gi.btn_ns; button++)
2908                 {
2909                     btni_t *button_ptr = &(pci->hli.btnit[button-1]);
2910
2911                     if(((unsigned)valx.i_int >= button_ptr->x_start)
2912                      && ((unsigned)valx.i_int <= button_ptr->x_end)
2913                      && ((unsigned)valy.i_int >= button_ptr->y_start)
2914                      && ((unsigned)valy.i_int <= button_ptr->y_end))
2915                     {
2916                         mx = (button_ptr->x_start + button_ptr->x_end)/2;
2917                         my = (button_ptr->y_start + button_ptr->y_end)/2;
2918                         dx = mx - valx.i_int;
2919                         dy = my - valy.i_int;
2920                         d = (dx*dx) + (dy*dy);
2921                         /* If the mouse is within the button and the mouse is closer
2922                         * to the center of this button then it is the best choice. */
2923                         if(d < dist) {
2924                             dist = d;
2925                             best = button;
2926                         }
2927                     }
2928                 }
2929
2930                 if ( best != 0)
2931                 {
2932                     btni_t button_ptr = pci->hli.btnit[best-1];
2933                     uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2934
2935                     msg_Dbg( &p_sys->demuxer, "Clicked button %d", best );
2936                     vlc_mutex_unlock( &p_ev->lock );
2937                     vlc_mutex_lock( &p_sys->lock_demuxer );
2938
2939                     // process the button action
2940                     p_sys->dvd_interpretor.SetSPRM( 0x88, best );
2941                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2942
2943                     msg_Dbg( &p_sys->demuxer, "Processed button %d", best );
2944
2945                     // select new button
2946                     if ( best != i_curr_button )
2947                     {
2948                         vlc_value_t val;
2949
2950                         if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
2951                         {
2952                             vlc_mutex_t *p_mutex = (vlc_mutex_t *) val.p_address;
2953                             uint32_t i_palette;
2954
2955                             if(button_ptr.btn_coln != 0) {
2956                                 i_palette = pci->hli.btn_colit.btn_coli[button_ptr.btn_coln-1][1];
2957                             } else {
2958                                 i_palette = 0;
2959                             }
2960
2961                             for( int i = 0; i < 4; i++ )
2962                             {
2963                                 uint32_t i_yuv = 0xFF;//p_sys->clut[(hl.palette>>(16+i*4))&0x0f];
2964                                 uint8_t i_alpha = (i_palette>>(i*4))&0x0f;
2965                                 i_alpha = i_alpha == 0xf ? 0xff : i_alpha << 4;
2966
2967                                 p_sys->palette[i][0] = (i_yuv >> 16) & 0xff;
2968                                 p_sys->palette[i][1] = (i_yuv >> 0) & 0xff;
2969                                 p_sys->palette[i][2] = (i_yuv >> 8) & 0xff;
2970                                 p_sys->palette[i][3] = i_alpha;
2971                             }
2972
2973                             vlc_mutex_lock( p_mutex );
2974                             val.i_int = button_ptr.x_start; var_Set( p_sys->p_input, "x-start", val );
2975                             val.i_int = button_ptr.x_end;   var_Set( p_sys->p_input, "x-end",   val );
2976                             val.i_int = button_ptr.y_start; var_Set( p_sys->p_input, "y-start", val );
2977                             val.i_int = button_ptr.y_end;   var_Set( p_sys->p_input, "y-end",   val );
2978
2979                             val.p_address = (void *)p_sys->palette;
2980                             var_Set( p_sys->p_input, "menu-palette", val );
2981
2982                             val.b_bool = VLC_TRUE; var_Set( p_sys->p_input, "highlight", val );
2983                             vlc_mutex_unlock( p_mutex );
2984                         }
2985                     }
2986                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2987                     vlc_mutex_lock( &p_ev->lock );
2988                 }
2989             }
2990             else if( p_ev->b_moved )
2991             {
2992 //                dvdnav_mouse_select( NULL, pci, valx.i_int, valy.i_int );
2993             }
2994
2995             p_ev->b_moved = VLC_FALSE;
2996             p_ev->b_clicked = VLC_FALSE;
2997             vlc_mutex_unlock( &p_ev->lock );
2998         }
2999
3000         /* VOUT part */
3001         if( p_vout && p_vout->b_die )
3002         {
3003             var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
3004             var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
3005             vlc_object_release( p_vout );
3006             p_vout = NULL;
3007         }
3008
3009         else if( p_vout == NULL )
3010         {
3011             p_vout = (vlc_object_t*) vlc_object_find( p_sys->p_input, VLC_OBJECT_VOUT,
3012                                       FIND_CHILD );
3013             if( p_vout)
3014             {
3015                 var_AddCallback( p_vout, "mouse-moved", EventMouse, p_ev );
3016                 var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
3017             }
3018         }
3019
3020         /* Wait a bit, 10ms */
3021         msleep( 10000 );
3022     }
3023
3024     /* Release callback */
3025     if( p_vout )
3026     {
3027         var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
3028         var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
3029         vlc_object_release( p_vout );
3030     }
3031     var_DelCallback( p_ev->p_libvlc, "key-pressed", EventKey, p_ev );
3032
3033     vlc_mutex_destroy( &p_ev->lock );
3034
3035     return VLC_SUCCESS;
3036 }
3037
3038 void matroska_segment_c::UnSelect( )
3039 {
3040     size_t i_track;
3041
3042     for( i_track = 0; i_track < tracks.size(); i_track++ )
3043     {
3044         if ( tracks[i_track]->p_es != NULL )
3045         {
3046 //            es_format_Clean( &tracks[i_track]->fmt );
3047             es_out_Del( sys.demuxer.out, tracks[i_track]->p_es );
3048             tracks[i_track]->p_es = NULL;
3049         }
3050     }
3051     delete ep;
3052     ep = NULL;
3053 }
3054
3055 void virtual_segment_c::PrepareChapters( )
3056 {
3057     if ( linked_segments.size() == 0 )
3058         return;
3059
3060     // !!! should be called only once !!!
3061     matroska_segment_c *p_segment;
3062     size_t i, j;
3063
3064     // copy editions from the first segment
3065     p_segment = linked_segments[0];
3066     p_editions = &p_segment->stored_editions;
3067
3068     for ( i=1 ; i<linked_segments.size(); i++ )
3069     {
3070         p_segment = linked_segments[i];
3071         // FIXME assume we have the same editions in all segments
3072         for (j=0; j<p_segment->stored_editions.size(); j++)
3073             (*p_editions)[j]->Append( *p_segment->stored_editions[j] );
3074     }
3075 }
3076
3077 std::string chapter_edition_c::GetMainName() const
3078 {
3079     if ( sub_chapters.size() )
3080     {
3081         return sub_chapters[0]->GetCodecName( true );
3082     }
3083     return "";
3084 }
3085
3086 int chapter_item_c::PublishChapters( input_title_t & title, int & i_user_chapters, int i_level )
3087 {
3088     // add support for meta-elements from codec like DVD Titles
3089     if ( !b_display_seekpoint || psz_name == "" )
3090     {
3091         psz_name = GetCodecName();
3092         if ( psz_name != "" )
3093             b_display_seekpoint = true;
3094     }
3095
3096     if (b_display_seekpoint)
3097     {
3098         seekpoint_t *sk = vlc_seekpoint_New();
3099
3100         sk->i_level = i_level;
3101         sk->i_time_offset = i_start_time;
3102         sk->psz_name = strdup( psz_name.c_str() );
3103
3104         // A start time of '0' is ok. A missing ChapterTime element is ok, too, because '0' is its default value.
3105         title.i_seekpoint++;
3106         title.seekpoint = (seekpoint_t**)realloc( title.seekpoint, title.i_seekpoint * sizeof( seekpoint_t* ) );
3107         title.seekpoint[title.i_seekpoint-1] = sk;
3108
3109         if ( b_user_display )
3110             i_user_chapters++;
3111     }
3112
3113     for ( size_t i=0; i<sub_chapters.size() ; i++)
3114     {
3115         sub_chapters[i]->PublishChapters( title, i_user_chapters, i_level+1 );
3116     }
3117
3118     i_seekpoint_num = i_user_chapters;
3119
3120     return i_user_chapters;
3121 }
3122
3123 bool virtual_segment_c::UpdateCurrentToChapter( demux_t & demux )
3124 {
3125     demux_sys_t & sys = *demux.p_sys;
3126     chapter_item_c *psz_curr_chapter;
3127     bool b_has_seeked = false;
3128
3129     /* update current chapter/seekpoint */
3130     if ( p_editions->size() )
3131     {
3132         /* 1st, we need to know in which chapter we are */
3133         psz_curr_chapter = (*p_editions)[i_current_edition]->FindTimecode( sys.i_pts, psz_current_chapter );
3134
3135         /* we have moved to a new chapter */
3136         if (psz_curr_chapter != NULL && psz_current_chapter != psz_curr_chapter)
3137         {
3138             if ( (*p_editions)[i_current_edition]->b_ordered )
3139             {
3140                 // Leave/Enter up to the link point
3141                 b_has_seeked = psz_curr_chapter->EnterAndLeave( psz_current_chapter );
3142                 if ( !b_has_seeked )
3143                 {
3144                     // only physically seek if necessary
3145                     if ( psz_current_chapter == NULL || (psz_current_chapter->i_end_time != psz_curr_chapter->i_start_time) )
3146                         Seek( demux, sys.i_pts, 0, psz_curr_chapter );
3147                 }
3148             }
3149
3150             if ( !b_has_seeked )
3151             {
3152                 psz_current_chapter = psz_curr_chapter;
3153                 if ( psz_curr_chapter->i_seekpoint_num > 0 )
3154                 {
3155                     demux.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
3156                     demux.info.i_title = sys.i_current_title = i_sys_title;
3157                     demux.info.i_seekpoint = psz_curr_chapter->i_seekpoint_num - 1;
3158                 }
3159             }
3160
3161             return true;
3162         }
3163         else if (psz_curr_chapter == NULL)
3164         {
3165             // out of the scope of the data described by chapters, leave the edition
3166             if ( (*p_editions)[i_current_edition]->b_ordered && psz_current_chapter != NULL )
3167             {
3168                 if ( !(*p_editions)[i_current_edition]->EnterAndLeave( psz_current_chapter, false ) )
3169                     psz_current_chapter = NULL;
3170                 else
3171                     return true;
3172             }
3173         }
3174     }
3175     return false;
3176 }
3177
3178 chapter_item_c *virtual_segment_c::BrowseCodecPrivate( unsigned int codec_id,
3179                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
3180                                     const void *p_cookie,
3181                                     size_t i_cookie_size )
3182 {
3183     // FIXME don't assume it is the first edition
3184     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
3185     if ( index != p_editions->end() )
3186     {
3187         chapter_item_c *p_result = (*index)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
3188         if ( p_result != NULL )
3189             return p_result;
3190     }
3191     return NULL;
3192 }
3193
3194 chapter_item_c *virtual_segment_c::FindChapter( int64_t i_find_uid )
3195 {
3196     // FIXME don't assume it is the first edition
3197     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
3198     if ( index != p_editions->end() )
3199     {
3200         chapter_item_c *p_result = (*index)->FindChapter( i_find_uid );
3201         if ( p_result != NULL )
3202             return p_result;
3203     }
3204     return NULL;
3205 }
3206
3207 chapter_item_c *chapter_item_c::BrowseCodecPrivate( unsigned int codec_id,
3208                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
3209                                     const void *p_cookie,
3210                                     size_t i_cookie_size )
3211 {
3212     // this chapter
3213     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
3214     while ( index != codecs.end() )
3215     {
3216         if ( match( **index ,p_cookie, i_cookie_size ) )
3217             return this;
3218         index++;
3219     }
3220
3221     // sub-chapters
3222     chapter_item_c *p_result = NULL;
3223     std::vector<chapter_item_c*>::const_iterator index2 = sub_chapters.begin();
3224     while ( index2 != sub_chapters.end() )
3225     {
3226         p_result = (*index2)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
3227         if ( p_result != NULL )
3228             return p_result;
3229         index2++;
3230     }
3231
3232     return p_result;
3233 }
3234
3235 void chapter_item_c::Append( const chapter_item_c & chapter )
3236 {
3237     // we are appending content for the same chapter UID
3238     size_t i;
3239     chapter_item_c *p_chapter;
3240
3241     for ( i=0; i<chapter.sub_chapters.size(); i++ )
3242     {
3243         p_chapter = FindChapter( chapter.sub_chapters[i]->i_uid );
3244         if ( p_chapter != NULL )
3245         {
3246             p_chapter->Append( *chapter.sub_chapters[i] );
3247         }
3248         else
3249         {
3250             sub_chapters.push_back( chapter.sub_chapters[i] );
3251         }
3252     }
3253
3254     i_user_start_time = min( i_user_start_time, chapter.i_user_start_time );
3255     i_user_end_time = max( i_user_end_time, chapter.i_user_end_time );
3256 }
3257
3258 chapter_item_c * chapter_item_c::FindChapter( int64_t i_find_uid )
3259 {
3260     size_t i;
3261     chapter_item_c *p_result = NULL;
3262
3263     if ( i_uid == i_find_uid )
3264         return this;
3265
3266     for ( i=0; i<sub_chapters.size(); i++)
3267     {
3268         p_result = sub_chapters[i]->FindChapter( i_find_uid );
3269         if ( p_result != NULL )
3270             break;
3271     }
3272     return p_result;
3273 }
3274
3275 std::string chapter_item_c::GetCodecName( bool f_for_title ) const
3276 {
3277     std::string result;
3278
3279     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
3280     while ( index != codecs.end() )
3281     {
3282         result = (*index)->GetCodecName( f_for_title );
3283         if ( result != "" )
3284             break;
3285         index++;
3286     }
3287
3288     return result;
3289 }
3290
3291 std::string dvd_chapter_codec_c::GetCodecName( bool f_for_title ) const
3292 {
3293     std::string result;
3294     if ( p_private_data->GetSize() >= 3)
3295     {
3296         const binary* p_data = p_private_data->GetBuffer();
3297 /*        if ( p_data[0] == MATROSKA_DVD_LEVEL_TT )
3298         {
3299             uint16_t i_title = (p_data[1] << 8) + p_data[2];
3300             char psz_str[11];
3301             sprintf( psz_str, " %d  ---", i_title );
3302             result = N_("---  DVD Title");
3303             result += psz_str;
3304         }
3305         else */ if ( p_data[0] == MATROSKA_DVD_LEVEL_LU )
3306         {
3307             char psz_str[11];
3308             sprintf( psz_str, " (%c%c)  ---", p_data[1], p_data[2] );
3309             result = N_("---  DVD Menu");
3310             result += psz_str;
3311         }
3312         else if ( p_data[0] == MATROSKA_DVD_LEVEL_SS && f_for_title )
3313         {
3314             if ( p_data[1] == 0x00 )
3315                 result = N_("First Played");
3316             else if ( p_data[1] == 0xC0 )
3317                 result = N_("Video Manager");
3318             else if ( p_data[1] == 0x80 )
3319             {
3320                 uint16_t i_title = (p_data[2] << 8) + p_data[3];
3321                 char psz_str[20];
3322                 sprintf( psz_str, " %d -----", i_title );
3323                 result = N_("----- Title");
3324                 result += psz_str;
3325             }
3326         }
3327     }
3328
3329     return result;
3330 }
3331
3332 int16 chapter_item_c::GetTitleNumber( ) const
3333 {
3334     int result = -1;
3335
3336     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
3337     while ( index != codecs.end() )
3338     {
3339         result = (*index)->GetTitleNumber( );
3340         if ( result >= 0 )
3341             break;
3342         index++;
3343     }
3344
3345     return result;
3346 }
3347
3348 int16 dvd_chapter_codec_c::GetTitleNumber()
3349 {
3350     if ( p_private_data->GetSize() >= 3)
3351     {
3352         const binary* p_data = p_private_data->GetBuffer();
3353         if ( p_data[0] == MATROSKA_DVD_LEVEL_SS )
3354         {
3355             return int16( (p_data[2] << 8) + p_data[3] );
3356         }
3357     }
3358     return -1;
3359 }
3360
3361 static void Seek( demux_t *p_demux, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter )
3362 {
3363     demux_sys_t        *p_sys = p_demux->p_sys;
3364     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3365     matroska_segment_c *p_segment = p_vsegment->Segment();
3366     mtime_t            i_time_offset = 0;
3367
3368     int         i_index;
3369
3370     msg_Dbg( p_demux, "seek request to "I64Fd" (%f%%)", i_date, f_percent );
3371     if( i_date < 0 && f_percent < 0 )
3372     {
3373         msg_Warn( p_demux, "cannot seek nowhere !" );
3374         return;
3375     }
3376     if( f_percent > 1.0 )
3377     {
3378         msg_Warn( p_demux, "cannot seek so far !" );
3379         return;
3380     }
3381
3382     /* seek without index or without date */
3383     if( f_percent >= 0 && (config_GetInt( p_demux, "mkv-seek-percent" ) || !p_segment->b_cues || i_date < 0 ))
3384     {
3385         if (p_sys->f_duration >= 0)
3386         {
3387             i_date = int64_t( f_percent * p_sys->f_duration * 1000.0 );
3388         }
3389         else
3390         {
3391             int64_t i_pos = int64_t( f_percent * stream_Size( p_demux->s ) );
3392
3393             msg_Dbg( p_demux, "inacurate way of seeking" );
3394             for( i_index = 0; i_index < p_segment->i_index; i_index++ )
3395             {
3396                 if( p_segment->p_indexes[i_index].i_position >= i_pos)
3397                 {
3398                     break;
3399                 }
3400             }
3401             if( i_index == p_segment->i_index )
3402             {
3403                 i_index--;
3404             }
3405
3406             i_date = p_segment->p_indexes[i_index].i_time;
3407
3408 #if 0
3409             if( p_segment->p_indexes[i_index].i_position < i_pos )
3410             {
3411                 EbmlElement *el;
3412
3413                 msg_Warn( p_demux, "searching for cluster, could take some time" );
3414
3415                 /* search a cluster */
3416                 while( ( el = p_sys->ep->Get() ) != NULL )
3417                 {
3418                     if( MKV_IS_ID( el, KaxCluster ) )
3419                     {
3420                         KaxCluster *cluster = (KaxCluster*)el;
3421
3422                         /* add it to the index */
3423                         p_segment->IndexAppendCluster( cluster );
3424
3425                         if( (int64_t)cluster->GetElementPosition() >= i_pos )
3426                         {
3427                             p_sys->cluster = cluster;
3428                             p_sys->ep->Down();
3429                             break;
3430                         }
3431                     }
3432                 }
3433             }
3434 #endif
3435         }
3436     }
3437
3438     p_vsegment->Seek( *p_demux, i_date, i_time_offset, psz_chapter );
3439 }
3440
3441 /*****************************************************************************
3442  * Demux: reads and demuxes data packets
3443  *****************************************************************************
3444  * Returns -1 in case of error, 0 in case of EOF, 1 otherwise
3445  *****************************************************************************/
3446 static int Demux( demux_t *p_demux)
3447 {
3448     demux_sys_t        *p_sys = p_demux->p_sys;
3449
3450     vlc_mutex_lock( &p_sys->lock_demuxer );
3451
3452     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3453     matroska_segment_c *p_segment = p_vsegment->Segment();
3454     if ( p_segment == NULL ) return 0;
3455     int                i_block_count = 0;
3456     int                i_return = 0;
3457
3458     for( ;; )
3459     {
3460         if ( p_sys->demuxer.b_die )
3461             break;
3462
3463         if( p_sys->i_pts >= p_sys->i_start_pts  )
3464             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3465             {
3466                 i_return = 1;
3467                 break;
3468             }
3469
3470         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3471         {
3472             /* nothing left to read in this ordered edition */
3473             if ( !p_vsegment->SelectNext() )
3474                 break;
3475             p_segment->UnSelect( );
3476
3477             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3478
3479             /* switch to the next segment */
3480             p_segment = p_vsegment->Segment();
3481             if ( !p_segment->Select( 0 ) )
3482             {
3483                 msg_Err( p_demux, "Failed to select new segment" );
3484                 break;
3485             }
3486             continue;
3487         }
3488
3489         KaxBlock *block;
3490         int64_t i_block_duration = 0;
3491         int64_t i_block_ref1;
3492         int64_t i_block_ref2;
3493
3494 #if LIBMATROSKA_VERSION >= 0x000800
3495         KaxSimpleBlock *simpleblock;
3496
3497         if( p_segment->BlockGet( block, simpleblock, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
3498 #else
3499         if( p_segment->BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
3500 #endif
3501         {
3502             if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered )
3503             {
3504                 const chapter_item_c *p_chap = p_vsegment->CurrentChapter();
3505                 // check if there are more chapters to read
3506                 if ( p_chap != NULL )
3507                 {
3508                     /* TODO handle successive chapters with the same user_start_time/user_end_time
3509                     if ( p_chap->i_user_start_time == p_chap->i_user_start_time )
3510                         p_vsegment->SelectNext();
3511                     */
3512                     p_sys->i_pts = p_chap->i_user_end_time;
3513                     p_sys->i_pts++; // trick to avoid staying on segments with no duration and no content
3514
3515                     i_return = 1;
3516                 }
3517
3518                 break;
3519             }
3520             else
3521             {
3522                 msg_Warn( p_demux, "cannot get block EOF?" );
3523                 p_segment->UnSelect( );
3524
3525                 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3526
3527                 /* switch to the next segment */
3528                 if ( !p_vsegment->SelectNext() )
3529                     // no more segments in this stream
3530                     break;
3531                 p_segment = p_vsegment->Segment();
3532                 if ( !p_segment->Select( 0 ) )
3533                 {
3534                     msg_Err( p_demux, "Failed to select new segment" );
3535                     break;
3536                 }
3537
3538                 continue;
3539             }
3540         }
3541
3542 #if LIBMATROSKA_VERSION >= 0x000800
3543         if ( simpleblock != NULL )
3544             p_sys->i_pts = (p_sys->i_chapter_time + simpleblock->GlobalTimecode()) / (mtime_t) 1000;
3545         else
3546 #endif
3547         p_sys->i_pts = (p_sys->i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
3548
3549         if( p_sys->i_pts >= p_sys->i_start_pts  )
3550         {
3551             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pts );
3552
3553             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3554             {
3555                 i_return = 1;
3556                 delete block;
3557                 break;
3558             }
3559         }
3560
3561         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3562         {
3563             /* nothing left to read in this ordered edition */
3564             if ( !p_vsegment->SelectNext() )
3565             {
3566                 delete block;
3567                 break;
3568             }
3569             p_segment->UnSelect( );
3570
3571             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3572
3573             /* switch to the next segment */
3574             p_segment = p_vsegment->Segment();
3575             if ( !p_segment->Select( 0 ) )
3576             {
3577                 msg_Err( p_demux, "Failed to select new segment" );
3578                 delete block;
3579                 break;
3580             }
3581             delete block;
3582             continue;
3583         }
3584
3585 #if LIBMATROSKA_VERSION >= 0x000800
3586         BlockDecode( p_demux, block, simpleblock, p_sys->i_pts, i_block_duration, i_block_ref1 >= 0 || i_block_ref2 > 0 );
3587 #else
3588         BlockDecode( p_demux, block, p_sys->i_pts, i_block_duration, i_block_ref1 >= 0 || i_block_ref2 > 0 );
3589 #endif
3590
3591         delete block;
3592         i_block_count++;
3593
3594         // TODO optimize when there is need to leave or when seeking has been called
3595         if( i_block_count > 5 )
3596         {
3597             i_return = 1;
3598             break;
3599         }
3600     }
3601
3602     vlc_mutex_unlock( &p_sys->lock_demuxer );
3603
3604     return i_return;
3605 }
3606
3607
3608
3609 /*****************************************************************************
3610  * Stream managment
3611  *****************************************************************************/
3612 vlc_stream_io_callback::vlc_stream_io_callback( stream_t *s_, vlc_bool_t b_owner_ )
3613 {
3614     s = s_;
3615     b_owner = b_owner_;
3616     mb_eof = VLC_FALSE;
3617 }
3618
3619 uint32 vlc_stream_io_callback::read( void *p_buffer, size_t i_size )
3620 {
3621     if( i_size <= 0 || mb_eof )
3622     {
3623         return 0;
3624     }
3625
3626     return stream_Read( s, p_buffer, i_size );
3627 }
3628 void vlc_stream_io_callback::setFilePointer(int64_t i_offset, seek_mode mode )
3629 {
3630     int64_t i_pos;
3631
3632     switch( mode )
3633     {
3634         case seek_beginning:
3635             i_pos = i_offset;
3636             break;
3637         case seek_end:
3638             i_pos = stream_Size( s ) - i_offset;
3639             break;
3640         default:
3641             i_pos= stream_Tell( s ) + i_offset;
3642             break;
3643     }
3644
3645     if( i_pos < 0 || i_pos >= stream_Size( s ) )
3646     {
3647         mb_eof = VLC_TRUE;
3648         return;
3649     }
3650
3651     mb_eof = VLC_FALSE;
3652     if( stream_Seek( s, i_pos ) )
3653     {
3654         mb_eof = VLC_TRUE;
3655     }
3656     return;
3657 }
3658 size_t vlc_stream_io_callback::write( const void *p_buffer, size_t i_size )
3659 {
3660     return 0;
3661 }
3662 uint64 vlc_stream_io_callback::getFilePointer( void )
3663 {
3664     if ( s == NULL )
3665         return 0;
3666     return stream_Tell( s );
3667 }
3668 void vlc_stream_io_callback::close( void )
3669 {
3670     return;
3671 }
3672
3673
3674 /*****************************************************************************
3675  * Ebml Stream parser
3676  *****************************************************************************/
3677 EbmlParser::EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux )
3678 {
3679     int i;
3680
3681     m_es = es;
3682     m_got = NULL;
3683     m_el[0] = el_start;
3684     mi_remain_size[0] = el_start->GetSize();
3685
3686     for( i = 1; i < 6; i++ )
3687     {
3688         m_el[i] = NULL;
3689     }
3690     mi_level = 1;
3691     mi_user_level = 1;
3692     mb_keep = VLC_FALSE;
3693     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3694 }
3695
3696 EbmlParser::~EbmlParser( void )
3697 {
3698     int i;
3699
3700     for( i = 1; i < mi_level; i++ )
3701     {
3702         if( !mb_keep )
3703         {
3704             delete m_el[i];
3705         }
3706         mb_keep = VLC_FALSE;
3707     }
3708 }
3709
3710 EbmlElement* EbmlParser::UnGet( uint64 i_block_pos, uint64 i_cluster_pos )
3711 {
3712     if ( mi_user_level > mi_level )
3713     {
3714         while ( mi_user_level != mi_level )
3715         {
3716             delete m_el[mi_user_level];
3717             m_el[mi_user_level] = NULL;
3718             mi_user_level--;
3719         }
3720     }
3721     m_got = NULL;
3722     mb_keep = VLC_FALSE;
3723     if ( m_el[1]->GetElementPosition() == i_cluster_pos )
3724     {
3725         m_es->I_O().setFilePointer( i_block_pos, seek_beginning );
3726         return (EbmlMaster*) m_el[1];
3727     }
3728     else
3729     {
3730         // seek to the previous Cluster
3731         m_es->I_O().setFilePointer( i_cluster_pos, seek_beginning );
3732         mi_level--;
3733         mi_user_level--;
3734         delete m_el[mi_level];
3735         m_el[mi_level] = NULL;
3736         return NULL;
3737     }
3738 }
3739
3740 void EbmlParser::Up( void )
3741 {
3742     if( mi_user_level == mi_level )
3743     {
3744         fprintf( stderr," arrrrrrrrrrrrrg Up cannot escape itself\n" );
3745     }
3746
3747     mi_user_level--;
3748 }
3749
3750 void EbmlParser::Down( void )
3751 {
3752     mi_user_level++;
3753     mi_level++;
3754 }
3755
3756 void EbmlParser::Keep( void )
3757 {
3758     mb_keep = VLC_TRUE;
3759 }
3760
3761 int EbmlParser::GetLevel( void )
3762 {
3763     return mi_user_level;
3764 }
3765
3766 void EbmlParser::Reset( demux_t *p_demux )
3767 {
3768     while ( mi_level > 0)
3769     {
3770         delete m_el[mi_level];
3771         m_el[mi_level] = NULL;
3772         mi_level--;
3773     }
3774     mi_user_level = mi_level = 1;
3775 #if LIBEBML_VERSION >= 0x000704
3776     // a little faster and cleaner
3777     m_es->I_O().setFilePointer( static_cast<KaxSegment*>(m_el[0])->GetGlobalPosition(0) );
3778 #else
3779     m_es->I_O().setFilePointer( m_el[0]->GetElementPosition() + m_el[0]->ElementSize(true) - m_el[0]->GetSize() );
3780 #endif
3781     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3782 }
3783
3784 EbmlElement *EbmlParser::Get( void )
3785 {
3786     int i_ulev = 0;
3787
3788     if( mi_user_level != mi_level )
3789     {
3790         return NULL;
3791     }
3792     if( m_got )
3793     {
3794         EbmlElement *ret = m_got;
3795         m_got = NULL;
3796
3797         return ret;
3798     }
3799
3800     if( m_el[mi_level] )
3801     {
3802         m_el[mi_level]->SkipData( *m_es, m_el[mi_level]->Generic().Context );
3803         if( !mb_keep )
3804         {
3805             delete m_el[mi_level];
3806         }
3807         mb_keep = VLC_FALSE;
3808     }
3809
3810     m_el[mi_level] = m_es->FindNextElement( m_el[mi_level - 1]->Generic().Context, i_ulev, 0xFFFFFFFFL, mb_dummy != 0, 1 );
3811 //    mi_remain_size[mi_level] = m_el[mi_level]->GetSize();
3812     if( i_ulev > 0 )
3813     {
3814         while( i_ulev > 0 )
3815         {
3816             if( mi_level == 1 )
3817             {
3818                 mi_level = 0;
3819                 return NULL;
3820             }
3821
3822             delete m_el[mi_level - 1];
3823             m_got = m_el[mi_level -1] = m_el[mi_level];
3824             m_el[mi_level] = NULL;
3825
3826             mi_level--;
3827             i_ulev--;
3828         }
3829         return NULL;
3830     }
3831     else if( m_el[mi_level] == NULL )
3832     {
3833         fprintf( stderr," m_el[mi_level] == NULL\n" );
3834     }
3835
3836     return m_el[mi_level];
3837 }
3838
3839
3840 /*****************************************************************************
3841  * Tools
3842  *  * LoadCues : load the cues element and update index
3843  *
3844  *  * LoadTags : load ... the tags element
3845  *
3846  *  * InformationCreate : create all information, load tags if present
3847  *
3848  *****************************************************************************/
3849 void matroska_segment_c::LoadCues( )
3850 {
3851     int64_t     i_sav_position = es.I_O().getFilePointer();
3852     EbmlParser  *ep;
3853     EbmlElement *el, *cues;
3854
3855     /* *** Load the cue if found *** */
3856     if( i_cues_position < 0 )
3857     {
3858         msg_Warn( &sys.demuxer, "no cues/empty cues found->seek won't be precise" );
3859
3860 //        IndexAppendCluster( cluster );
3861     }
3862
3863     vlc_bool_t b_seekable;
3864
3865     stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
3866     if( !b_seekable )
3867         return;
3868
3869     msg_Dbg( &sys.demuxer, "loading cues" );
3870     es.I_O().setFilePointer( i_cues_position, seek_beginning );
3871     cues = es.FindNextID( KaxCues::ClassInfos, 0xFFFFFFFFL);
3872
3873     if( cues == NULL )
3874     {
3875         msg_Err( &sys.demuxer, "cannot load cues (broken seekhead or file)" );
3876         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3877         return;
3878     }
3879
3880     ep = new EbmlParser( &es, cues, &sys.demuxer );
3881     while( ( el = ep->Get() ) != NULL )
3882     {
3883         if( MKV_IS_ID( el, KaxCuePoint ) )
3884         {
3885 #define idx p_indexes[i_index]
3886
3887             idx.i_track       = -1;
3888             idx.i_block_number= -1;
3889             idx.i_position    = -1;
3890             idx.i_time        = 0;
3891             idx.b_key         = VLC_TRUE;
3892
3893             ep->Down();
3894             while( ( el = ep->Get() ) != NULL )
3895             {
3896                 if( MKV_IS_ID( el, KaxCueTime ) )
3897                 {
3898                     KaxCueTime &ctime = *(KaxCueTime*)el;
3899
3900                     ctime.ReadData( es.I_O() );
3901
3902                     idx.i_time = uint64( ctime ) * i_timescale / (mtime_t)1000;
3903                 }
3904                 else if( MKV_IS_ID( el, KaxCueTrackPositions ) )
3905                 {
3906                     ep->Down();
3907                     while( ( el = ep->Get() ) != NULL )
3908                     {
3909                         if( MKV_IS_ID( el, KaxCueTrack ) )
3910                         {
3911                             KaxCueTrack &ctrack = *(KaxCueTrack*)el;
3912
3913                             ctrack.ReadData( es.I_O() );
3914                             idx.i_track = uint16( ctrack );
3915                         }
3916                         else if( MKV_IS_ID( el, KaxCueClusterPosition ) )
3917                         {
3918                             KaxCueClusterPosition &ccpos = *(KaxCueClusterPosition*)el;
3919
3920                             ccpos.ReadData( es.I_O() );
3921                             idx.i_position = segment->GetGlobalPosition( uint64( ccpos ) );
3922                         }
3923                         else if( MKV_IS_ID( el, KaxCueBlockNumber ) )
3924                         {
3925                             KaxCueBlockNumber &cbnum = *(KaxCueBlockNumber*)el;
3926
3927                             cbnum.ReadData( es.I_O() );
3928                             idx.i_block_number = uint32( cbnum );
3929                         }
3930                         else
3931                         {
3932                             msg_Dbg( &sys.demuxer, "         * Unknown (%s)", typeid(*el).name() );
3933                         }
3934                     }
3935                     ep->Up();
3936                 }
3937                 else
3938                 {
3939                     msg_Dbg( &sys.demuxer, "     * Unknown (%s)", typeid(*el).name() );
3940                 }
3941             }
3942             ep->Up();
3943
3944 #if 0
3945             msg_Dbg( &sys.demuxer, " * added time="I64Fd" pos="I64Fd
3946                      " track=%d bnum=%d", idx.i_time, idx.i_position,
3947                      idx.i_track, idx.i_block_number );
3948 #endif
3949
3950             i_index++;
3951             if( i_index >= i_index_max )
3952             {
3953                 i_index_max += 1024;
3954                 p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
3955             }
3956 #undef idx
3957         }
3958         else
3959         {
3960             msg_Dbg( &sys.demuxer, " * Unknown (%s)", typeid(*el).name() );
3961         }
3962     }
3963     delete ep;
3964     delete cues;
3965
3966     b_cues = VLC_TRUE;
3967
3968     msg_Dbg( &sys.demuxer, "loading cues done." );
3969     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3970 }
3971
3972 void matroska_segment_c::LoadTags( )
3973 {
3974     int64_t     i_sav_position = es.I_O().getFilePointer();
3975     EbmlParser  *ep;
3976     EbmlElement *el, *tags;
3977
3978     msg_Dbg( &sys.demuxer, "loading tags" );
3979     es.I_O().setFilePointer( i_tags_position, seek_beginning );
3980     tags = es.FindNextID( KaxTags::ClassInfos, 0xFFFFFFFFL);
3981
3982     if( tags == NULL )
3983     {
3984         msg_Err( &sys.demuxer, "cannot load tags (broken seekhead or file)" );
3985         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3986         return;
3987     }
3988
3989     msg_Dbg( &sys.demuxer, "Tags" );
3990     ep = new EbmlParser( &es, tags, &sys.demuxer );
3991     while( ( el = ep->Get() ) != NULL )
3992     {
3993         if( MKV_IS_ID( el, KaxTag ) )
3994         {
3995             msg_Dbg( &sys.demuxer, "+ Tag" );
3996             ep->Down();
3997             while( ( el = ep->Get() ) != NULL )
3998             {
3999                 if( MKV_IS_ID( el, KaxTagTargets ) )
4000                 {
4001                     msg_Dbg( &sys.demuxer, "|   + Targets" );
4002                     ep->Down();
4003                     while( ( el = ep->Get() ) != NULL )
4004                     {
4005                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
4006                     }
4007                     ep->Up();
4008                 }
4009                 else if( MKV_IS_ID( el, KaxTagGeneral ) )
4010                 {
4011                     msg_Dbg( &sys.demuxer, "|   + General" );
4012                     ep->Down();
4013                     while( ( el = ep->Get() ) != NULL )
4014                     {
4015                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
4016                     }
4017                     ep->Up();
4018                 }
4019                 else if( MKV_IS_ID( el, KaxTagGenres ) )
4020                 {
4021                     msg_Dbg( &sys.demuxer, "|   + Genres" );
4022                     ep->Down();
4023                     while( ( el = ep->Get() ) != NULL )
4024                     {
4025                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
4026                     }
4027                     ep->Up();
4028                 }
4029                 else if( MKV_IS_ID( el, KaxTagAudioSpecific ) )
4030                 {
4031                     msg_Dbg( &sys.demuxer, "|   + Audio Specific" );
4032                     ep->Down();
4033                     while( ( el = ep->Get() ) != NULL )
4034                     {
4035                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
4036                     }
4037                     ep->Up();
4038                 }
4039                 else if( MKV_IS_ID( el, KaxTagImageSpecific ) )
4040                 {
4041                     msg_Dbg( &sys.demuxer, "|   + Images Specific" );
4042                     ep->Down();
4043                     while( ( el = ep->Get() ) != NULL )
4044                     {
4045                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
4046                     }
4047                     ep->Up();
4048                 }
4049                 else if( MKV_IS_ID( el, KaxTagMultiComment ) )
4050                 {
4051                     msg_Dbg( &sys.demuxer, "|   + Multi Comment" );
4052                 }
4053                 else if( MKV_IS_ID( el, KaxTagMultiCommercial ) )
4054                 {
4055                     msg_Dbg( &sys.demuxer, "|   + Multi Commercial" );
4056                 }
4057                 else if( MKV_IS_ID( el, KaxTagMultiDate ) )
4058                 {
4059                     msg_Dbg( &sys.demuxer, "|   + Multi Date" );
4060                 }
4061                 else if( MKV_IS_ID( el, KaxTagMultiEntity ) )
4062                 {
4063                     msg_Dbg( &sys.demuxer, "|   + Multi Entity" );
4064                 }
4065                 else if( MKV_IS_ID( el, KaxTagMultiIdentifier ) )
4066                 {
4067                     msg_Dbg( &sys.demuxer, "|   + Multi Identifier" );
4068                 }
4069                 else if( MKV_IS_ID( el, KaxTagMultiLegal ) )
4070                 {
4071                     msg_Dbg( &sys.demuxer, "|   + Multi Legal" );
4072                 }
4073                 else if( MKV_IS_ID( el, KaxTagMultiTitle ) )
4074                 {
4075                     msg_Dbg( &sys.demuxer, "|   + Multi Title" );
4076                 }
4077                 else
4078                 {
4079                     msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid( *el ).name() );
4080                 }
4081             }
4082             ep->Up();
4083         }
4084         else
4085         {
4086             msg_Dbg( &sys.demuxer, "+ Unknown (%s)", typeid( *el ).name() );
4087         }
4088     }
4089     delete ep;
4090     delete tags;
4091
4092     msg_Dbg( &sys.demuxer, "loading tags done." );
4093     es.I_O().setFilePointer( i_sav_position, seek_beginning );
4094 }
4095
4096 /*****************************************************************************
4097  * ParseSeekHead:
4098  *****************************************************************************/
4099 void matroska_segment_c::ParseSeekHead( KaxSeekHead *seekhead )
4100 {
4101     EbmlElement *el;
4102     size_t i, j;
4103     int i_upper_level = 0;
4104
4105     msg_Dbg( &sys.demuxer, "|   + Seek head" );
4106
4107     /* Master elements */
4108     seekhead->Read( es, seekhead->Generic().Context, i_upper_level, el, true );
4109
4110     for( i = 0; i < seekhead->ListSize(); i++ )
4111     {
4112         EbmlElement *l = (*seekhead)[i];
4113
4114         if( MKV_IS_ID( l, KaxSeek ) )
4115         {
4116             EbmlMaster *sk = static_cast<EbmlMaster *>(l);
4117             EbmlId id = EbmlVoid::ClassInfos.GlobalId;
4118             int64_t i_pos = -1;
4119
4120             for( j = 0; j < sk->ListSize(); j++ )
4121             {
4122                 EbmlElement *l = (*sk)[j];
4123
4124                 if( MKV_IS_ID( l, KaxSeekID ) )
4125                 {
4126                     KaxSeekID &sid = *(KaxSeekID*)l;
4127                     id = EbmlId( sid.GetBuffer(), sid.GetSize() );
4128                 }
4129                 else if( MKV_IS_ID( l, KaxSeekPosition ) )
4130                 {
4131                     KaxSeekPosition &spos = *(KaxSeekPosition*)l;
4132                     i_pos = uint64( spos );
4133                 }
4134                 else
4135                 {
4136                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
4137                 }
4138             }
4139
4140             if( i_pos >= 0 )
4141             {
4142                 if( id == KaxCues::ClassInfos.GlobalId )
4143                 {
4144                     msg_Dbg( &sys.demuxer, "|   |   |   = cues at "I64Fd, i_pos );
4145                     i_cues_position = segment->GetGlobalPosition( i_pos );
4146                 }
4147                 else if( id == KaxChapters::ClassInfos.GlobalId )
4148                 {
4149                     msg_Dbg( &sys.demuxer, "|   |   |   = chapters at "I64Fd, i_pos );
4150                     i_chapters_position = segment->GetGlobalPosition( i_pos );
4151                 }
4152                 else if( id == KaxTags::ClassInfos.GlobalId )
4153                 {
4154                     msg_Dbg( &sys.demuxer, "|   |   |   = tags at "I64Fd, i_pos );
4155                     i_tags_position = segment->GetGlobalPosition( i_pos );
4156                 }
4157             }
4158         }
4159         else
4160         {
4161             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4162         }
4163     }
4164 }
4165
4166 /*****************************************************************************
4167  * ParseTrackEntry:
4168  *****************************************************************************/
4169 void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
4170 {
4171     size_t i, j, k, n;
4172     bool bSupported = true;
4173
4174     mkv_track_t *tk;
4175
4176     msg_Dbg( &sys.demuxer, "|   |   + Track Entry" );
4177
4178     tk = new mkv_track_t();
4179
4180     /* Init the track */
4181     memset( tk, 0, sizeof( mkv_track_t ) );
4182
4183     es_format_Init( &tk->fmt, UNKNOWN_ES, 0 );
4184     tk->fmt.psz_language = strdup("English");
4185     tk->fmt.psz_description = NULL;
4186
4187     tk->b_default = VLC_TRUE;
4188     tk->b_enabled = VLC_TRUE;
4189     tk->b_silent = VLC_FALSE;
4190     tk->i_number = tracks.size() - 1;
4191     tk->i_extra_data = 0;
4192     tk->p_extra_data = NULL;
4193     tk->psz_codec = NULL;
4194     tk->i_default_duration = 0;
4195     tk->f_timecodescale = 1.0;
4196
4197     tk->b_inited = VLC_FALSE;
4198     tk->i_data_init = 0;
4199     tk->p_data_init = NULL;
4200
4201     tk->psz_codec_name = NULL;
4202     tk->psz_codec_settings = NULL;
4203     tk->psz_codec_info_url = NULL;
4204     tk->psz_codec_download_url = NULL;
4205
4206     tk->i_compression_type = MATROSKA_COMPRESSION_NONE;
4207     tk->p_compression_data = NULL;
4208
4209     for( i = 0; i < m->ListSize(); i++ )
4210     {
4211         EbmlElement *l = (*m)[i];
4212
4213         if( MKV_IS_ID( l, KaxTrackNumber ) )
4214         {
4215             KaxTrackNumber &tnum = *(KaxTrackNumber*)l;
4216
4217             tk->i_number = uint32( tnum );
4218             msg_Dbg( &sys.demuxer, "|   |   |   + Track Number=%u", uint32( tnum ) );
4219         }
4220         else  if( MKV_IS_ID( l, KaxTrackUID ) )
4221         {
4222             KaxTrackUID &tuid = *(KaxTrackUID*)l;
4223
4224             msg_Dbg( &sys.demuxer, "|   |   |   + Track UID=%u",  uint32( tuid ) );
4225         }
4226         else  if( MKV_IS_ID( l, KaxTrackType ) )
4227         {
4228             const char *psz_type;
4229             KaxTrackType &ttype = *(KaxTrackType*)l;
4230
4231             switch( uint8(ttype) )
4232             {
4233                 case track_audio:
4234                     psz_type = "audio";
4235                     tk->fmt.i_cat = AUDIO_ES;
4236                     break;
4237                 case track_video:
4238                     psz_type = "video";
4239                     tk->fmt.i_cat = VIDEO_ES;
4240                     break;
4241                 case track_subtitle:
4242                     psz_type = "subtitle";
4243                     tk->fmt.i_cat = SPU_ES;
4244                     break;
4245                 case track_buttons:
4246                     psz_type = "buttons";
4247                     tk->fmt.i_cat = SPU_ES;
4248                     break;
4249                 default:
4250                     psz_type = "unknown";
4251                     tk->fmt.i_cat = UNKNOWN_ES;
4252                     break;
4253             }
4254
4255             msg_Dbg( &sys.demuxer, "|   |   |   + Track Type=%s", psz_type );
4256         }
4257 //        else  if( EbmlId( *l ) == KaxTrackFlagEnabled::ClassInfos.GlobalId )
4258 //        {
4259 //            KaxTrackFlagEnabled &fenb = *(KaxTrackFlagEnabled*)l;
4260
4261 //            tk->b_enabled = uint32( fenb );
4262 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Enabled=%u",
4263 //                     uint32( fenb )  );
4264 //        }
4265         else  if( MKV_IS_ID( l, KaxTrackFlagDefault ) )
4266         {
4267             KaxTrackFlagDefault &fdef = *(KaxTrackFlagDefault*)l;
4268
4269             tk->b_default = uint32( fdef );
4270             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default=%u", uint32( fdef )  );
4271         }
4272         else  if( MKV_IS_ID( l, KaxTrackFlagLacing ) )
4273         {
4274             KaxTrackFlagLacing &lac = *(KaxTrackFlagLacing*)l;
4275
4276             msg_Dbg( &sys.demuxer, "|   |   |   + Track Lacing=%d", uint32( lac ) );
4277         }
4278         else  if( MKV_IS_ID( l, KaxTrackMinCache ) )
4279         {
4280             KaxTrackMinCache &cmin = *(KaxTrackMinCache*)l;
4281
4282             msg_Dbg( &sys.demuxer, "|   |   |   + Track MinCache=%d", uint32( cmin ) );
4283         }
4284         else  if( MKV_IS_ID( l, KaxTrackMaxCache ) )
4285         {
4286             KaxTrackMaxCache &cmax = *(KaxTrackMaxCache*)l;
4287
4288             msg_Dbg( &sys.demuxer, "|   |   |   + Track MaxCache=%d", uint32( cmax ) );
4289         }
4290         else  if( MKV_IS_ID( l, KaxTrackDefaultDuration ) )
4291         {
4292             KaxTrackDefaultDuration &defd = *(KaxTrackDefaultDuration*)l;
4293
4294             tk->i_default_duration = uint64(defd);
4295             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default Duration="I64Fd, uint64(defd) );
4296         }
4297         else  if( MKV_IS_ID( l, KaxTrackTimecodeScale ) )
4298         {
4299             KaxTrackTimecodeScale &ttcs = *(KaxTrackTimecodeScale*)l;
4300
4301             tk->f_timecodescale = float( ttcs );
4302             msg_Dbg( &sys.demuxer, "|   |   |   + Track TimeCodeScale=%f", tk->f_timecodescale );
4303         }
4304         else if( MKV_IS_ID( l, KaxTrackName ) )
4305         {
4306             KaxTrackName &tname = *(KaxTrackName*)l;
4307
4308             tk->fmt.psz_description = ToUTF8( UTFstring( tname ) );
4309             msg_Dbg( &sys.demuxer, "|   |   |   + Track Name=%s", tk->fmt.psz_description );
4310         }
4311         else  if( MKV_IS_ID( l, KaxTrackLanguage ) )
4312         {
4313             KaxTrackLanguage &lang = *(KaxTrackLanguage*)l;
4314
4315             if ( tk->fmt.psz_language != NULL )
4316                 free( tk->fmt.psz_language );
4317             tk->fmt.psz_language = strdup( string( lang ).c_str() );
4318             msg_Dbg( &sys.demuxer,
4319                      "|   |   |   + Track Language=`%s'", tk->fmt.psz_language );
4320         }
4321         else  if( MKV_IS_ID( l, KaxCodecID ) )
4322         {
4323             KaxCodecID &codecid = *(KaxCodecID*)l;
4324
4325             tk->psz_codec = strdup( string( codecid ).c_str() );
4326             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecId=%s", string( codecid ).c_str() );
4327         }
4328         else  if( MKV_IS_ID( l, KaxCodecPrivate ) )
4329         {
4330             KaxCodecPrivate &cpriv = *(KaxCodecPrivate*)l;
4331
4332             tk->i_extra_data = cpriv.GetSize();
4333             if( tk->i_extra_data > 0 )
4334             {
4335                 tk->p_extra_data = (uint8_t*)malloc( tk->i_extra_data );
4336                 memcpy( tk->p_extra_data, cpriv.GetBuffer(), tk->i_extra_data );
4337             }
4338             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecPrivate size="I64Fd, cpriv.GetSize() );
4339         }
4340         else if( MKV_IS_ID( l, KaxCodecName ) )
4341         {
4342             KaxCodecName &cname = *(KaxCodecName*)l;
4343
4344             tk->psz_codec_name = ToUTF8( UTFstring( cname ) );
4345             msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Name=%s", tk->psz_codec_name );
4346         }
4347         else if( MKV_IS_ID( l, KaxContentEncodings ) )
4348         {
4349             EbmlMaster *cencs = static_cast<EbmlMaster*>(l);
4350             MkvTree( sys.demuxer, 3, "Content Encodings" );
4351             if ( cencs->ListSize() > 1 )
4352             {
4353                 msg_Err( &sys.demuxer, "Multiple Compression method not supported" );
4354                 bSupported = false;
4355             }
4356             for( j = 0; j < cencs->ListSize(); j++ )
4357             {
4358                 EbmlElement *l2 = (*cencs)[j];
4359                 if( MKV_IS_ID( l2, KaxContentEncoding ) )
4360                 {
4361                     MkvTree( sys.demuxer, 4, "Content Encoding" );
4362                     EbmlMaster *cenc = static_cast<EbmlMaster*>(l2);
4363                     for( k = 0; k < cenc->ListSize(); k++ )
4364                     {
4365                         EbmlElement *l3 = (*cenc)[k];
4366                         if( MKV_IS_ID( l3, KaxContentEncodingOrder ) )
4367                         {
4368                             KaxContentEncodingOrder &encord = *(KaxContentEncodingOrder*)l3;
4369                             MkvTree( sys.demuxer, 5, "Order: %i", uint32( encord ) );
4370                         }
4371                         else if( MKV_IS_ID( l3, KaxContentEncodingScope ) )
4372                         {
4373                             KaxContentEncodingScope &encscope = *(KaxContentEncodingScope*)l3;
4374                             MkvTree( sys.demuxer, 5, "Scope: %i", uint32( encscope ) );
4375                         }
4376                         else if( MKV_IS_ID( l3, KaxContentEncodingType ) )
4377                         {
4378                             KaxContentEncodingType &enctype = *(KaxContentEncodingType*)l3;
4379                             MkvTree( sys.demuxer, 5, "Type: %i", uint32( enctype ) );
4380                         }
4381                         else if( MKV_IS_ID( l3, KaxContentCompression ) )
4382                         {
4383                             EbmlMaster *compr = static_cast<EbmlMaster*>(l3);
4384                             MkvTree( sys.demuxer, 5, "Content Compression" );
4385                             for( n = 0; n < compr->ListSize(); n++ )
4386                             {
4387                                 EbmlElement *l4 = (*compr)[n];
4388                                 if( MKV_IS_ID( l4, KaxContentCompAlgo ) )
4389                                 {
4390                                     KaxContentCompAlgo &compalg = *(KaxContentCompAlgo*)l4;
4391                                     MkvTree( sys.demuxer, 6, "Compression Algorithm: %i", uint32(compalg) );
4392                                     tk->i_compression_type = uint32( compalg );
4393                                     if ( ( tk->i_compression_type != MATROSKA_COMPRESSION_ZLIB ) &&
4394                                          ( tk->i_compression_type != MATROSKA_COMPRESSION_HEADER ) )
4395                                     {
4396                                         msg_Err( &sys.demuxer, "Track Compression method %d not supported", tk->i_compression_type );
4397                                         bSupported = false;
4398                                     }
4399                                 }
4400                                 else if( MKV_IS_ID( l4, KaxContentCompSettings ) )
4401                                 {
4402                                     tk->p_compression_data = new KaxContentCompSettings( *(KaxContentCompSettings*)l4 );
4403                                 }
4404                                 else
4405                                 {
4406                                     MkvTree( sys.demuxer, 6, "Unknown (%s)", typeid(*l4).name() );
4407                                 }
4408                             }
4409                         }
4410                         else
4411                         {
4412                             MkvTree( sys.demuxer, 5, "Unknown (%s)", typeid(*l3).name() );
4413                         }
4414                     }
4415                 }
4416                 else
4417                 {
4418                     MkvTree( sys.demuxer, 4, "Unknown (%s)", typeid(*l2).name() );
4419                 }
4420             }
4421         }
4422 //        else if( EbmlId( *l ) == KaxCodecSettings::ClassInfos.GlobalId )
4423 //        {
4424 //            KaxCodecSettings &cset = *(KaxCodecSettings*)l;
4425
4426 //            tk->psz_codec_settings = ToUTF8( UTFstring( cset ) );
4427 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Settings=%s", tk->psz_codec_settings );
4428 //        }
4429 //        else if( EbmlId( *l ) == KaxCodecInfoURL::ClassInfos.GlobalId )
4430 //        {
4431 //            KaxCodecInfoURL &ciurl = *(KaxCodecInfoURL*)l;
4432
4433 //            tk->psz_codec_info_url = strdup( string( ciurl ).c_str() );
4434 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_info_url );
4435 //        }
4436 //        else if( EbmlId( *l ) == KaxCodecDownloadURL::ClassInfos.GlobalId )
4437 //        {
4438 //            KaxCodecDownloadURL &cdurl = *(KaxCodecDownloadURL*)l;
4439
4440 //            tk->psz_codec_download_url = strdup( string( cdurl ).c_str() );
4441 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_download_url );
4442 //        }
4443 //        else if( EbmlId( *l ) == KaxCodecDecodeAll::ClassInfos.GlobalId )
4444 //        {
4445 //            KaxCodecDecodeAll &cdall = *(KaxCodecDecodeAll*)l;
4446
4447 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Decode All=%u <== UNUSED", uint8( cdall ) );
4448 //        }
4449 //        else if( EbmlId( *l ) == KaxTrackOverlay::ClassInfos.GlobalId )
4450 //        {
4451 //            KaxTrackOverlay &tovr = *(KaxTrackOverlay*)l;
4452
4453 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Overlay=%u <== UNUSED", uint32( tovr ) );
4454 //        }
4455         else  if( MKV_IS_ID( l, KaxTrackVideo ) )
4456         {
4457             EbmlMaster *tkv = static_cast<EbmlMaster*>(l);
4458             unsigned int j;
4459             unsigned int i_crop_right = 0, i_crop_left = 0, i_crop_top = 0, i_crop_bottom = 0;
4460             unsigned int i_display_unit = 0, i_display_width = 0, i_display_height = 0;
4461
4462             msg_Dbg( &sys.demuxer, "|   |   |   + Track Video" );
4463             tk->f_fps = 0.0;
4464
4465             tk->fmt.video.i_frame_rate_base = (unsigned int)(tk->i_default_duration / 1000);
4466             tk->fmt.video.i_frame_rate = 1000000;
4467
4468             for( j = 0; j < tkv->ListSize(); j++ )
4469             {
4470                 EbmlElement *l = (*tkv)[j];
4471 //                if( EbmlId( *el4 ) == KaxVideoFlagInterlaced::ClassInfos.GlobalId )
4472 //                {
4473 //                    KaxVideoFlagInterlaced &fint = *(KaxVideoFlagInterlaced*)el4;
4474
4475 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Interlaced=%u", uint8( fint ) );
4476 //                }
4477 //                else if( EbmlId( *el4 ) == KaxVideoStereoMode::ClassInfos.GlobalId )
4478 //                {
4479 //                    KaxVideoStereoMode &stereo = *(KaxVideoStereoMode*)el4;
4480
4481 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Stereo Mode=%u", uint8( stereo ) );
4482 //                }
4483 //                else
4484                 if( MKV_IS_ID( l, KaxVideoPixelWidth ) )
4485                 {
4486                     KaxVideoPixelWidth &vwidth = *(KaxVideoPixelWidth*)l;
4487
4488                     tk->fmt.video.i_width += uint16( vwidth );
4489                     msg_Dbg( &sys.demuxer, "|   |   |   |   + width=%d", uint16( vwidth ) );
4490                 }
4491                 else if( MKV_IS_ID( l, KaxVideoPixelHeight ) )
4492                 {
4493                     KaxVideoPixelWidth &vheight = *(KaxVideoPixelWidth*)l;
4494
4495                     tk->fmt.video.i_height += uint16( vheight );
4496                     msg_Dbg( &sys.demuxer, "|   |   |   |   + height=%d", uint16( vheight ) );
4497                 }
4498                 else if( MKV_IS_ID( l, KaxVideoDisplayWidth ) )
4499                 {
4500                     KaxVideoDisplayWidth &vwidth = *(KaxVideoDisplayWidth*)l;
4501
4502                     i_display_width = uint16( vwidth );
4503                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display width=%d", uint16( vwidth ) );
4504                 }
4505                 else if( MKV_IS_ID( l, KaxVideoDisplayHeight ) )
4506                 {
4507                     KaxVideoDisplayWidth &vheight = *(KaxVideoDisplayWidth*)l;
4508
4509                     i_display_height = uint16( vheight );
4510                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display height=%d", uint16( vheight ) );
4511                 }
4512                 else if( MKV_IS_ID( l, KaxVideoPixelCropBottom ) )
4513                 {
4514                     KaxVideoPixelCropBottom &cropval = *(KaxVideoPixelCropBottom*)l;
4515
4516                     i_crop_bottom = uint16( cropval );
4517                     msg_Dbg( &sys.demuxer, "|   |   |   |   + crop pixel bottom=%d", uint16( cropval ) );
4518                 }
4519                 else if( MKV_IS_ID( l, KaxVideoPixelCropTop ) )
4520                 {
4521                     KaxVideoPixelCropTop &cropval = *(KaxVideoPixelCropTop*)l;
4522
4523                     i_crop_top = uint16( cropval );
4524                     msg_Dbg( &sys.demuxer, "|   |   |   |   + crop pixel top=%d", uint16( cropval ) );
4525                 }
4526                 else if( MKV_IS_ID( l, KaxVideoPixelCropRight ) )
4527                 {
4528                     KaxVideoPixelCropRight &cropval = *(KaxVideoPixelCropRight*)l;
4529
4530                     i_crop_right = uint16( cropval );
4531                     msg_Dbg( &sys.demuxer, "|   |   |   |   + crop pixel right=%d", uint16( cropval ) );
4532                 }
4533                 else if( MKV_IS_ID( l, KaxVideoPixelCropLeft ) )
4534                 {
4535                     KaxVideoPixelCropLeft &cropval = *(KaxVideoPixelCropLeft*)l;
4536
4537                     i_crop_left = uint16( cropval );
4538                     msg_Dbg( &sys.demuxer, "|   |   |   |   + crop pixel left=%d", uint16( cropval ) );
4539                 }
4540                 else if( MKV_IS_ID( l, KaxVideoFrameRate ) )
4541                 {
4542                     KaxVideoFrameRate &vfps = *(KaxVideoFrameRate*)l;
4543
4544                     tk->f_fps = float( vfps );
4545                     msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( vfps ) );
4546                 }
4547                 else if( EbmlId( *l ) == KaxVideoDisplayUnit::ClassInfos.GlobalId )
4548                 {
4549                     KaxVideoDisplayUnit &vdmode = *(KaxVideoDisplayUnit*)l;
4550
4551                     i_display_unit = uint8( vdmode );
4552                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Display Unit=%s",
4553                              uint8( vdmode ) == 0 ? "pixels" : ( uint8( vdmode ) == 1 ? "centimeters": "inches" ) );
4554                 }
4555 //                else if( EbmlId( *l ) == KaxVideoAspectRatio::ClassInfos.GlobalId )
4556 //                {
4557 //                    KaxVideoAspectRatio &ratio = *(KaxVideoAspectRatio*)l;
4558
4559 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + Track Video Aspect Ratio Type=%u", uint8( ratio ) );
4560 //                }
4561 //                else if( EbmlId( *l ) == KaxVideoGamma::ClassInfos.GlobalId )
4562 //                {
4563 //                    KaxVideoGamma &gamma = *(KaxVideoGamma*)l;
4564
4565 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + gamma=%f", float( gamma ) );
4566 //                }
4567                 else
4568                 {
4569                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4570                 }
4571             }
4572             if( i_display_height && i_display_width )
4573                 tk->fmt.video.i_aspect = VOUT_ASPECT_FACTOR * i_display_width / i_display_height;
4574             if( i_crop_left || i_crop_right || i_crop_top || i_crop_bottom )
4575             {
4576                 tk->fmt.video.i_visible_width = tk->fmt.video.i_width;
4577                 tk->fmt.video.i_visible_height = tk->fmt.video.i_height;
4578                 tk->fmt.video.i_x_offset = i_crop_left;
4579                 tk->fmt.video.i_y_offset = i_crop_top;
4580                 tk->fmt.video.i_visible_width -= i_crop_left + i_crop_right;
4581                 tk->fmt.video.i_visible_height -= i_crop_top + i_crop_bottom;
4582             }
4583             /* FIXME: i_display_* allows you to not only set DAR, but also a zoom factor.
4584                we do not support this atm */
4585         }
4586         else  if( MKV_IS_ID( l, KaxTrackAudio ) )
4587         {
4588             EbmlMaster *tka = static_cast<EbmlMaster*>(l);
4589             unsigned int j;
4590
4591             msg_Dbg( &sys.demuxer, "|   |   |   + Track Audio" );
4592
4593             for( j = 0; j < tka->ListSize(); j++ )
4594             {
4595                 EbmlElement *l = (*tka)[j];
4596
4597                 if( MKV_IS_ID( l, KaxAudioSamplingFreq ) )
4598                 {
4599                     KaxAudioSamplingFreq &afreq = *(KaxAudioSamplingFreq*)l;
4600
4601                     tk->i_original_rate = tk->fmt.audio.i_rate = (int)float( afreq );
4602                     msg_Dbg( &sys.demuxer, "|   |   |   |   + afreq=%d", tk->fmt.audio.i_rate );
4603                 }
4604                 else if( MKV_IS_ID( l, KaxAudioOutputSamplingFreq ) )
4605                 {
4606                     KaxAudioOutputSamplingFreq &afreq = *(KaxAudioOutputSamplingFreq*)l;
4607
4608                     tk->fmt.audio.i_rate = (int)float( afreq );
4609                     msg_Dbg( &sys.demuxer, "|   |   |   |   + aoutfreq=%d", tk->fmt.audio.i_rate );
4610                 }
4611                 else if( MKV_IS_ID( l, KaxAudioChannels ) )
4612                 {
4613                     KaxAudioChannels &achan = *(KaxAudioChannels*)l;
4614
4615                     tk->fmt.audio.i_channels = uint8( achan );
4616                     msg_Dbg( &sys.demuxer, "|   |   |   |   + achan=%u", uint8( achan ) );
4617                 }
4618                 else if( MKV_IS_ID( l, KaxAudioBitDepth ) )
4619                 {
4620                     KaxAudioBitDepth &abits = *(KaxAudioBitDepth*)l;
4621
4622                     tk->fmt.audio.i_bitspersample = uint8( abits );
4623                     msg_Dbg( &sys.demuxer, "|   |   |   |   + abits=%u", uint8( abits ) );
4624                 }
4625                 else
4626                 {
4627                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4628                 }
4629             }
4630         }
4631         else
4632         {
4633             msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)",
4634                      typeid(*l).name() );
4635         }
4636     }
4637
4638     if ( bSupported )
4639     {
4640         tracks.push_back( tk );
4641     }
4642     else
4643     {
4644         msg_Err( &sys.demuxer, "Track Entry %d not supported", tk->i_number );
4645         delete tk;
4646     }
4647 }
4648
4649 /*****************************************************************************
4650  * ParseTracks:
4651  *****************************************************************************/
4652 void matroska_segment_c::ParseTracks( KaxTracks *tracks )
4653 {
4654     EbmlElement *el;
4655     unsigned int i;
4656     int i_upper_level = 0;
4657
4658     msg_Dbg( &sys.demuxer, "|   + Tracks" );
4659
4660     /* Master elements */
4661     tracks->Read( es, tracks->Generic().Context, i_upper_level, el, true );
4662
4663     for( i = 0; i < tracks->ListSize(); i++ )
4664     {
4665         EbmlElement *l = (*tracks)[i];
4666
4667         if( MKV_IS_ID( l, KaxTrackEntry ) )
4668         {
4669             ParseTrackEntry( static_cast<KaxTrackEntry *>(l) );
4670         }
4671         else
4672         {
4673             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4674         }
4675     }
4676 }
4677
4678 /*****************************************************************************
4679  * ParseInfo:
4680  *****************************************************************************/
4681 void matroska_segment_c::ParseInfo( KaxInfo *info )
4682 {
4683     EbmlElement *el;
4684     EbmlMaster  *m;
4685     size_t i, j;
4686     int i_upper_level = 0;
4687
4688     msg_Dbg( &sys.demuxer, "|   + Information" );
4689
4690     /* Master elements */
4691     m = static_cast<EbmlMaster *>(info);
4692     m->Read( es, info->Generic().Context, i_upper_level, el, true );
4693
4694     for( i = 0; i < m->ListSize(); i++ )
4695     {
4696         EbmlElement *l = (*m)[i];
4697
4698         if( MKV_IS_ID( l, KaxSegmentUID ) )
4699         {
4700             if ( p_segment_uid == NULL )
4701                 p_segment_uid = new KaxSegmentUID(*static_cast<KaxSegmentUID*>(l));
4702
4703             msg_Dbg( &sys.demuxer, "|   |   + UID=%d", *(uint32*)p_segment_uid->GetBuffer() );
4704         }
4705         else if( MKV_IS_ID( l, KaxPrevUID ) )
4706         {
4707             if ( p_prev_segment_uid == NULL )
4708                 p_prev_segment_uid = new KaxPrevUID(*static_cast<KaxPrevUID*>(l));
4709
4710             msg_Dbg( &sys.demuxer, "|   |   + PrevUID=%d", *(uint32*)p_prev_segment_uid->GetBuffer() );
4711         }
4712         else if( MKV_IS_ID( l, KaxNextUID ) )
4713         {
4714             if ( p_next_segment_uid == NULL )
4715                 p_next_segment_uid = new KaxNextUID(*static_cast<KaxNextUID*>(l));
4716
4717             msg_Dbg( &sys.demuxer, "|   |   + NextUID=%d", *(uint32*)p_next_segment_uid->GetBuffer() );
4718         }
4719         else if( MKV_IS_ID( l, KaxTimecodeScale ) )
4720         {
4721             KaxTimecodeScale &tcs = *(KaxTimecodeScale*)l;
4722
4723             i_timescale = uint64(tcs);
4724
4725             msg_Dbg( &sys.demuxer, "|   |   + TimecodeScale="I64Fd,
4726                      i_timescale );
4727         }
4728         else if( MKV_IS_ID( l, KaxDuration ) )
4729         {
4730             KaxDuration &dur = *(KaxDuration*)l;
4731
4732             i_duration = mtime_t( double( dur ) );
4733
4734             msg_Dbg( &sys.demuxer, "|   |   + Duration="I64Fd,
4735                      i_duration );
4736         }
4737         else if( MKV_IS_ID( l, KaxMuxingApp ) )
4738         {
4739             KaxMuxingApp &mapp = *(KaxMuxingApp*)l;
4740
4741             psz_muxing_application = ToUTF8( UTFstring( mapp ) );
4742
4743             msg_Dbg( &sys.demuxer, "|   |   + Muxing Application=%s",
4744                      psz_muxing_application );
4745         }
4746         else if( MKV_IS_ID( l, KaxWritingApp ) )
4747         {
4748             KaxWritingApp &wapp = *(KaxWritingApp*)l;
4749
4750             psz_writing_application = ToUTF8( UTFstring( wapp ) );
4751
4752             msg_Dbg( &sys.demuxer, "|   |   + Writing Application=%s",
4753                      psz_writing_application );
4754         }
4755         else if( MKV_IS_ID( l, KaxSegmentFilename ) )
4756         {
4757             KaxSegmentFilename &sfn = *(KaxSegmentFilename*)l;
4758
4759             psz_segment_filename = ToUTF8( UTFstring( sfn ) );
4760
4761             msg_Dbg( &sys.demuxer, "|   |   + Segment Filename=%s",
4762                      psz_segment_filename );
4763         }
4764         else if( MKV_IS_ID( l, KaxTitle ) )
4765         {
4766             KaxTitle &title = *(KaxTitle*)l;
4767
4768             psz_title = ToUTF8( UTFstring( title ) );
4769
4770             msg_Dbg( &sys.demuxer, "|   |   + Title=%s", psz_title );
4771         }
4772         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
4773         {
4774             KaxSegmentFamily *uid = static_cast<KaxSegmentFamily*>(l);
4775
4776             families.push_back( new KaxSegmentFamily(*uid) );
4777
4778             msg_Dbg( &sys.demuxer, "|   |   + family=%d", *(uint32*)uid->GetBuffer() );
4779         }
4780 #if defined( HAVE_GMTIME_R ) && !defined( __APPLE__ )
4781         else if( MKV_IS_ID( l, KaxDateUTC ) )
4782         {
4783             KaxDateUTC &date = *(KaxDateUTC*)l;
4784             time_t i_date;
4785             struct tm tmres;
4786             char   buffer[256];
4787
4788             i_date = date.GetEpochDate();
4789             memset( buffer, 0, 256 );
4790             if( gmtime_r( &i_date, &tmres ) &&
4791                 asctime_r( &tmres, buffer ) )
4792             {
4793                 buffer[strlen( buffer)-1]= '\0';
4794                 psz_date_utc = strdup( buffer );
4795                 msg_Dbg( &sys.demuxer, "|   |   + Date=%s", psz_date_utc );
4796             }
4797         }
4798 #endif
4799 #if LIBMATROSKA_VERSION >= 0x000704
4800         else if( MKV_IS_ID( l, KaxChapterTranslate ) )
4801         {
4802             KaxChapterTranslate *p_trans = static_cast<KaxChapterTranslate*>( l );
4803             chapter_translation_c *p_translate = new chapter_translation_c();
4804
4805             p_trans->Read( es, p_trans->Generic().Context, i_upper_level, el, true );
4806             for( j = 0; j < p_trans->ListSize(); j++ )
4807             {
4808                 EbmlElement *l = (*p_trans)[j];
4809
4810                 if( MKV_IS_ID( l, KaxChapterTranslateEditionUID ) )
4811                 {
4812                     p_translate->editions.push_back( uint64( *static_cast<KaxChapterTranslateEditionUID*>( l ) ) );
4813                 }
4814                 else if( MKV_IS_ID( l, KaxChapterTranslateCodec ) )
4815                 {
4816                     p_translate->codec_id = uint32( *static_cast<KaxChapterTranslateCodec*>( l ) );
4817                 }
4818                 else if( MKV_IS_ID( l, KaxChapterTranslateID ) )
4819                 {
4820                     p_translate->p_translated = new KaxChapterTranslateID( *static_cast<KaxChapterTranslateID*>( l ) );
4821                 }
4822             }
4823
4824             translations.push_back( p_translate );
4825         }
4826 #endif
4827         else
4828         {
4829             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4830         }
4831     }
4832
4833     double f_dur = double(i_duration) * double(i_timescale) / 1000000.0;
4834     i_duration = mtime_t(f_dur);
4835 }
4836
4837
4838 /*****************************************************************************
4839  * ParseChapterAtom
4840  *****************************************************************************/
4841 void matroska_segment_c::ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters )
4842 {
4843     size_t i, j;
4844
4845     msg_Dbg( &sys.demuxer, "|   |   |   + ChapterAtom (level=%d)", i_level );
4846     for( i = 0; i < ca->ListSize(); i++ )
4847     {
4848         EbmlElement *l = (*ca)[i];
4849
4850         if( MKV_IS_ID( l, KaxChapterUID ) )
4851         {
4852             chapters.i_uid = uint64_t(*(KaxChapterUID*)l);
4853             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterUID: %lld", chapters.i_uid );
4854         }
4855         else if( MKV_IS_ID( l, KaxChapterFlagHidden ) )
4856         {
4857             KaxChapterFlagHidden &flag =*(KaxChapterFlagHidden*)l;
4858             chapters.b_display_seekpoint = uint8( flag ) == 0;
4859
4860             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterFlagHidden: %s", chapters.b_display_seekpoint ? "no":"yes" );
4861         }
4862         else if( MKV_IS_ID( l, KaxChapterTimeStart ) )
4863         {
4864             KaxChapterTimeStart &start =*(KaxChapterTimeStart*)l;
4865             chapters.i_start_time = uint64( start ) / I64C(1000);
4866
4867             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeStart: %lld", chapters.i_start_time );
4868         }
4869         else if( MKV_IS_ID( l, KaxChapterTimeEnd ) )
4870         {
4871             KaxChapterTimeEnd &end =*(KaxChapterTimeEnd*)l;
4872             chapters.i_end_time = uint64( end ) / I64C(1000);
4873
4874             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeEnd: %lld", chapters.i_end_time );
4875         }
4876         else if( MKV_IS_ID( l, KaxChapterDisplay ) )
4877         {
4878             EbmlMaster *cd = static_cast<EbmlMaster *>(l);
4879
4880             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterDisplay" );
4881             for( j = 0; j < cd->ListSize(); j++ )
4882             {
4883                 EbmlElement *l= (*cd)[j];
4884
4885                 if( MKV_IS_ID( l, KaxChapterString ) )
4886                 {
4887                     int k;
4888
4889                     KaxChapterString &name =*(KaxChapterString*)l;
4890                     for (k = 0; k < i_level; k++)
4891                         chapters.psz_name += '+';
4892                     chapters.psz_name += ' ';
4893                     char *psz_tmp_utf8 = ToUTF8( UTFstring( name ) );
4894                     chapters.psz_name += psz_tmp_utf8;
4895                     chapters.b_user_display = true;
4896
4897                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterString '%s'", psz_tmp_utf8 );
4898                     free( psz_tmp_utf8 );
4899                 }
4900                 else if( MKV_IS_ID( l, KaxChapterLanguage ) )
4901                 {
4902                     KaxChapterLanguage &lang =*(KaxChapterLanguage*)l;
4903                     const char *psz = string( lang ).c_str();
4904
4905                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterLanguage '%s'", psz );
4906                 }
4907                 else if( MKV_IS_ID( l, KaxChapterCountry ) )
4908                 {
4909                     KaxChapterCountry &ct =*(KaxChapterCountry*)l;
4910                     const char *psz = string( ct ).c_str();
4911
4912                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterCountry '%s'", psz );
4913                 }
4914             }
4915         }
4916         else if( MKV_IS_ID( l, KaxChapterProcess ) )
4917         {
4918             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterProcess" );
4919
4920             KaxChapterProcess *cp = static_cast<KaxChapterProcess *>(l);
4921             chapter_codec_cmds_c *p_ccodec = NULL;
4922
4923             for( j = 0; j < cp->ListSize(); j++ )
4924             {
4925                 EbmlElement *k= (*cp)[j];
4926
4927                 if( MKV_IS_ID( k, KaxChapterProcessCodecID ) )
4928                 {
4929                     KaxChapterProcessCodecID *p_codec_id = static_cast<KaxChapterProcessCodecID*>( k );
4930                     if ( uint32(*p_codec_id) == 0 )
4931                         p_ccodec = new matroska_script_codec_c( sys );
4932                     else if ( uint32(*p_codec_id) == 1 )
4933                         p_ccodec = new dvd_chapter_codec_c( sys );
4934                     break;
4935                 }
4936             }
4937
4938             if ( p_ccodec != NULL )
4939             {
4940                 for( j = 0; j < cp->ListSize(); j++ )
4941                 {
4942                     EbmlElement *k= (*cp)[j];
4943
4944                     if( MKV_IS_ID( k, KaxChapterProcessPrivate ) )
4945                     {
4946                         KaxChapterProcessPrivate * p_private = static_cast<KaxChapterProcessPrivate*>( k );
4947                         p_ccodec->SetPrivate( *p_private );
4948                     }
4949                     else if( MKV_IS_ID( k, KaxChapterProcessCommand ) )
4950                     {
4951                         p_ccodec->AddCommand( *static_cast<KaxChapterProcessCommand*>( k ) );
4952                     }
4953                 }
4954                 chapters.codecs.push_back( p_ccodec );
4955             }
4956         }
4957         else if( MKV_IS_ID( l, KaxChapterAtom ) )
4958         {
4959             chapter_item_c *new_sub_chapter = new chapter_item_c();
4960             ParseChapterAtom( i_level+1, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4961             new_sub_chapter->psz_parent = &chapters;
4962             chapters.sub_chapters.push_back( new_sub_chapter );
4963         }
4964     }
4965 }
4966
4967 /*****************************************************************************
4968  * ParseAttachments:
4969  *****************************************************************************/
4970 void matroska_segment_c::ParseAttachments( KaxAttachments *attachments )
4971 {
4972     EbmlElement *el;
4973     int i_upper_level = 0;
4974
4975     attachments->Read( es, attachments->Generic().Context, i_upper_level, el, true );
4976
4977     KaxAttached *attachedFile = FindChild<KaxAttached>( *attachments );
4978
4979     while( attachedFile && ( attachedFile->GetSize() > 0 ) )
4980     {
4981         std::string psz_mime_type  = GetChild<KaxMimeType>( *attachedFile );
4982         KaxFileName  &file_name    = GetChild<KaxFileName>( *attachedFile );
4983         KaxFileData  &img_data     = GetChild<KaxFileData>( *attachedFile );
4984
4985         attachment_c *new_attachment = new attachment_c();
4986
4987         if( new_attachment )
4988         {
4989             new_attachment->psz_file_name  = ToUTF8( UTFstring( file_name ) );
4990             new_attachment->psz_mime_type  = psz_mime_type;
4991             new_attachment->i_size         = img_data.GetSize();
4992             new_attachment->p_data         = malloc( img_data.GetSize() );
4993
4994             if( new_attachment->p_data )
4995             {
4996                 memcpy( new_attachment->p_data, img_data.GetBuffer(), img_data.GetSize() );
4997                 sys.stored_attachments.push_back( new_attachment );
4998             }
4999             else
5000             {
5001                 delete new_attachment;
5002             }
5003         }
5004
5005         attachedFile = &GetNextChild<KaxAttached>( *attachments, *attachedFile );
5006     }
5007 }
5008
5009 /*****************************************************************************
5010  * ParseChapters:
5011  *****************************************************************************/
5012 void matroska_segment_c::ParseChapters( KaxChapters *chapters )
5013 {
5014     EbmlElement *el;
5015     size_t i;
5016     int i_upper_level = 0;
5017     mtime_t i_dur;
5018
5019     /* Master elements */
5020     chapters->Read( es, chapters->Generic().Context, i_upper_level, el, true );
5021
5022     for( i = 0; i < chapters->ListSize(); i++ )
5023     {
5024         EbmlElement *l = (*chapters)[i];
5025
5026         if( MKV_IS_ID( l, KaxEditionEntry ) )
5027         {
5028             chapter_edition_c *p_edition = new chapter_edition_c();
5029
5030             EbmlMaster *E = static_cast<EbmlMaster *>(l );
5031             size_t j;
5032             msg_Dbg( &sys.demuxer, "|   |   + EditionEntry" );
5033             for( j = 0; j < E->ListSize(); j++ )
5034             {
5035                 EbmlElement *l = (*E)[j];
5036
5037                 if( MKV_IS_ID( l, KaxChapterAtom ) )
5038                 {
5039                     chapter_item_c *new_sub_chapter = new chapter_item_c();
5040                     ParseChapterAtom( 0, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
5041                     p_edition->sub_chapters.push_back( new_sub_chapter );
5042                 }
5043                 else if( MKV_IS_ID( l, KaxEditionUID ) )
5044                 {
5045                     p_edition->i_uid = uint64(*static_cast<KaxEditionUID *>( l ));
5046                 }
5047                 else if( MKV_IS_ID( l, KaxEditionFlagOrdered ) )
5048                 {
5049                     p_edition->b_ordered = config_GetInt( &sys.demuxer, "mkv-use-ordered-chapters" ) ? (uint8(*static_cast<KaxEditionFlagOrdered *>( l )) != 0) : 0;
5050                 }
5051                 else if( MKV_IS_ID( l, KaxEditionFlagDefault ) )
5052                 {
5053                     if (uint8(*static_cast<KaxEditionFlagDefault *>( l )) != 0)
5054                         i_default_edition = stored_editions.size();
5055                 }
5056                 else
5057                 {
5058                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
5059                 }
5060             }
5061             stored_editions.push_back( p_edition );
5062         }
5063         else
5064         {
5065             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
5066         }
5067     }
5068
5069     for( i = 0; i < stored_editions.size(); i++ )
5070     {
5071         stored_editions[i]->RefreshChapters( );
5072     }
5073
5074     if ( stored_editions.size() != 0 && stored_editions[i_default_edition]->b_ordered )
5075     {
5076         /* update the duration of the segment according to the sum of all sub chapters */
5077         i_dur = stored_editions[i_default_edition]->Duration() / I64C(1000);
5078         if (i_dur > 0)
5079             i_duration = i_dur;
5080     }
5081 }
5082
5083 void matroska_segment_c::ParseCluster( )
5084 {
5085     EbmlElement *el;
5086     EbmlMaster  *m;
5087     unsigned int i;
5088     int i_upper_level = 0;
5089
5090     /* Master elements */
5091     m = static_cast<EbmlMaster *>( cluster );
5092     m->Read( es, cluster->Generic().Context, i_upper_level, el, true );
5093
5094     for( i = 0; i < m->ListSize(); i++ )
5095     {
5096         EbmlElement *l = (*m)[i];
5097
5098         if( MKV_IS_ID( l, KaxClusterTimecode ) )
5099         {
5100             KaxClusterTimecode &ctc = *(KaxClusterTimecode*)l;
5101
5102             cluster->InitTimecode( uint64( ctc ), i_timescale );
5103             break;
5104         }
5105     }
5106
5107     i_start_time = cluster->GlobalTimecode() / 1000;
5108 }
5109
5110 /*****************************************************************************
5111  * InformationCreate:
5112  *****************************************************************************/
5113 void matroska_segment_c::InformationCreate( )
5114 {
5115     sys.meta = vlc_meta_New();
5116
5117     if( psz_title )
5118     {
5119         vlc_meta_SetTitle( sys.meta, psz_title );
5120     }
5121     if( psz_date_utc )
5122     {
5123         vlc_meta_SetDate( sys.meta, psz_date_utc );
5124     }
5125 #if 0
5126     if( psz_segment_filename )
5127     {
5128         fprintf( stderr, "***** WARNING: Unhandled meta - Use custom\n" );
5129     }
5130     if( psz_muxing_application )
5131     {
5132         fprintf( stderr, "***** WARNING: Unhandled meta - Use custom\n" );
5133     }
5134     if( psz_writing_application )
5135     {
5136         fprintf( stderr, "***** WARNING: Unhandled meta - Use custom\n" );
5137     }
5138
5139     for( size_t i_track = 0; i_track < tracks.size(); i_track++ )
5140     {
5141 //        mkv_track_t *tk = tracks[i_track];
5142 //        vlc_meta_t *mtk = vlc_meta_New();
5143         fprintf( stderr, "***** WARNING: Unhandled child meta\n");
5144     }
5145 #endif
5146
5147     if( i_tags_position >= 0 )
5148     {
5149         vlc_bool_t b_seekable;
5150
5151         stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
5152         if( b_seekable )
5153         {
5154             LoadTags( );
5155         }
5156     }
5157 }
5158
5159
5160 /*****************************************************************************
5161  * Divers
5162  *****************************************************************************/
5163
5164 void matroska_segment_c::IndexAppendCluster( KaxCluster *cluster )
5165 {
5166 #define idx p_indexes[i_index]
5167     idx.i_track       = -1;
5168     idx.i_block_number= -1;
5169     idx.i_position    = cluster->GetElementPosition();
5170     idx.i_time        = -1;
5171     idx.b_key         = VLC_TRUE;
5172
5173     i_index++;
5174     if( i_index >= i_index_max )
5175     {
5176         i_index_max += 1024;
5177         p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
5178     }
5179 #undef idx
5180 }
5181
5182 void chapter_edition_c::RefreshChapters( )
5183 {
5184     chapter_item_c::RefreshChapters( b_ordered, -1 );
5185     b_display_seekpoint = false;
5186 }
5187
5188 int64_t chapter_item_c::RefreshChapters( bool b_ordered, int64_t i_prev_user_time )
5189 {
5190     int64_t i_user_time = i_prev_user_time;
5191
5192     // first the sub-chapters, and then ourself
5193     std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
5194     while ( index != sub_chapters.end() )
5195     {
5196         i_user_time = (*index)->RefreshChapters( b_ordered, i_user_time );
5197         index++;
5198     }
5199
5200     if ( b_ordered )
5201     {
5202         // the ordered chapters always start at zero
5203         if ( i_prev_user_time == -1 )
5204         {
5205             if ( i_user_time == -1 )
5206                 i_user_time = 0;
5207             i_prev_user_time = 0;
5208         }
5209
5210         i_user_start_time = i_prev_user_time;
5211         if ( i_end_time != -1 && i_user_time == i_prev_user_time )
5212         {
5213             i_user_end_time = i_user_start_time - i_start_time + i_end_time;
5214         }
5215         else
5216         {
5217             i_user_end_time = i_user_time;
5218         }
5219     }
5220     else
5221     {
5222         if ( sub_chapters.begin() != sub_chapters.end() )
5223             std::sort( sub_chapters.begin(), sub_chapters.end(), chapter_item_c::CompareTimecode );
5224         i_user_start_time = i_start_time;
5225         if ( i_end_time != -1 )
5226             i_user_end_time = i_end_time;
5227         else if ( i_user_time != -1 )
5228             i_user_end_time = i_user_time;
5229         else
5230             i_user_end_time = i_user_start_time;
5231     }
5232
5233     return i_user_end_time;
5234 }
5235
5236 mtime_t chapter_edition_c::Duration() const
5237 {
5238     mtime_t i_result = 0;
5239
5240     if ( sub_chapters.size() )
5241     {
5242         std::vector<chapter_item_c*>::const_iterator index = sub_chapters.end();
5243         index--;
5244         i_result = (*index)->i_user_end_time;
5245     }
5246
5247     return i_result;
5248 }
5249
5250 chapter_item_c * chapter_edition_c::FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current )
5251 {
5252     if ( !b_ordered )
5253         p_current = NULL;
5254     bool b_found_current = false;
5255     return chapter_item_c::FindTimecode( i_timecode, p_current, b_found_current );
5256 }
5257
5258 chapter_item_c *chapter_item_c::FindTimecode( mtime_t i_user_timecode, const chapter_item_c * p_current, bool & b_found )
5259 {
5260     chapter_item_c *psz_result = NULL;
5261
5262     if ( p_current == this )
5263         b_found = true;
5264
5265     if ( i_user_timecode >= i_user_start_time &&
5266         ( i_user_timecode < i_user_end_time ||
5267           ( i_user_start_time == i_user_end_time && i_user_timecode == i_user_end_time )))
5268     {
5269         std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
5270         while ( index != sub_chapters.end() && ((p_current == NULL && psz_result == NULL) || (p_current != NULL && (!b_found || psz_result == NULL))))
5271         {
5272             psz_result = (*index)->FindTimecode( i_user_timecode, p_current, b_found );
5273             index++;
5274         }
5275
5276         if ( psz_result == NULL )
5277             psz_result = this;
5278     }
5279
5280     return psz_result;
5281 }
5282
5283 bool chapter_item_c::ParentOf( const chapter_item_c & item ) const
5284 {
5285     if ( &item == this )
5286         return true;
5287
5288     std::vector<chapter_item_c*>::const_iterator index = sub_chapters.begin();
5289     while ( index != sub_chapters.end() )
5290     {
5291         if ( (*index)->ParentOf( item ) )
5292             return true;
5293         index++;
5294     }
5295
5296     return false;
5297 }
5298
5299 void demux_sys_t::PreloadFamily( const matroska_segment_c & of_segment )
5300 {
5301     for (size_t i=0; i<opened_segments.size(); i++)
5302     {
5303         opened_segments[i]->PreloadFamily( of_segment );
5304     }
5305 }
5306 bool matroska_segment_c::PreloadFamily( const matroska_segment_c & of_segment )
5307 {
5308     if ( b_preloaded )
5309         return false;
5310
5311     for (size_t i=0; i<families.size(); i++)
5312     {
5313         for (size_t j=0; j<of_segment.families.size(); j++)
5314         {
5315             if ( *(families[i]) == *(of_segment.families[j]) )
5316                 return Preload( );
5317         }
5318     }
5319
5320     return false;
5321 }
5322
5323 // preload all the linked segments for all preloaded segments
5324 void demux_sys_t::PreloadLinked( matroska_segment_c *p_segment )
5325 {
5326     size_t i_preloaded, i, j;
5327     virtual_segment_c *p_seg;
5328
5329     p_current_segment = VirtualFromSegments( p_segment );
5330
5331     used_segments.push_back( p_current_segment );
5332
5333     // create all the other virtual segments of the family
5334     do {
5335         i_preloaded = 0;
5336         for ( i=0; i< opened_segments.size(); i++ )
5337         {
5338             if ( opened_segments[i]->b_preloaded && !IsUsedSegment( *opened_segments[i] ) )
5339             {
5340                 p_seg = VirtualFromSegments( opened_segments[i] );
5341                 used_segments.push_back( p_seg );
5342                 i_preloaded++;
5343             }
5344         }
5345     } while ( i_preloaded ); // worst case: will stop when all segments are found as family related
5346
5347     // publish all editions of all usable segment
5348     for ( i=0; i< used_segments.size(); i++ )
5349     {
5350         p_seg = used_segments[i];
5351         if ( p_seg->p_editions != NULL )
5352         {
5353             std::string sz_name;
5354             input_title_t *p_title = vlc_input_title_New();
5355             p_seg->i_sys_title = i;
5356             int i_chapters;
5357
5358             // TODO use a name for each edition, let the TITLE deal with a codec name
5359             for ( j=0; j<p_seg->p_editions->size(); j++ )
5360             {
5361                 if ( p_title->psz_name == NULL )
5362                 {
5363                     sz_name = (*p_seg->p_editions)[j]->GetMainName();
5364                     if ( sz_name != "" )
5365                         p_title->psz_name = strdup( sz_name.c_str() );
5366                 }
5367
5368                 chapter_edition_c *p_edition = (*p_seg->p_editions)[j];
5369
5370                 i_chapters = 0;
5371                 p_edition->PublishChapters( *p_title, i_chapters, 0 );
5372             }
5373
5374             // create a name if there is none
5375             if ( p_title->psz_name == NULL )
5376             {
5377                 sz_name = N_("Segment");
5378                 char psz_str[6];
5379                 sprintf( psz_str, " %d", (int)i );
5380                 sz_name += psz_str;
5381                 p_title->psz_name = strdup( sz_name.c_str() );
5382             }
5383
5384             titles.push_back( p_title );
5385         }
5386     }
5387
5388     // TODO decide which segment should be first used (VMG for DVD)
5389 }
5390
5391 bool demux_sys_t::IsUsedSegment( matroska_segment_c &segment ) const
5392 {
5393     for ( size_t i=0; i< used_segments.size(); i++ )
5394     {
5395         if ( used_segments[i]->FindUID( *segment.p_segment_uid ) )
5396             return true;
5397     }
5398     return false;
5399 }
5400
5401 virtual_segment_c *demux_sys_t::VirtualFromSegments( matroska_segment_c *p_segment ) const
5402 {
5403     size_t i_preloaded, i;
5404
5405     virtual_segment_c *p_result = new virtual_segment_c( p_segment );
5406
5407     // fill our current virtual segment with all hard linked segments
5408     do {
5409         i_preloaded = 0;
5410         for ( i=0; i< opened_segments.size(); i++ )
5411         {
5412             i_preloaded += p_result->AddSegment( opened_segments[i] );
5413         }
5414     } while ( i_preloaded ); // worst case: will stop when all segments are found as linked
5415
5416     p_result->Sort( );
5417
5418     p_result->PreloadLinked( );
5419
5420     p_result->PrepareChapters( );
5421
5422     return p_result;
5423 }
5424
5425 bool demux_sys_t::PreparePlayback( virtual_segment_c *p_new_segment )
5426 {
5427     if ( p_new_segment != NULL && p_new_segment != p_current_segment )
5428     {
5429         if ( p_current_segment != NULL && p_current_segment->Segment() != NULL )
5430             p_current_segment->Segment()->UnSelect();
5431
5432         p_current_segment = p_new_segment;
5433         i_current_title = p_new_segment->i_sys_title;
5434     }
5435
5436     p_current_segment->LoadCues();
5437     f_duration = p_current_segment->Duration();
5438
5439     /* add information */
5440     p_current_segment->Segment()->InformationCreate( );
5441
5442     p_current_segment->Segment()->Select( 0 );
5443
5444     return true;
5445 }
5446
5447 void demux_sys_t::JumpTo( virtual_segment_c & vsegment, chapter_item_c * p_chapter )
5448 {
5449     // if the segment is not part of the current segment, select the new one
5450     if ( &vsegment != p_current_segment )
5451     {
5452         PreparePlayback( &vsegment );
5453     }
5454
5455     if ( p_chapter != NULL )
5456     {
5457         if ( !p_chapter->Enter( true ) )
5458         {
5459             // jump to the location in the found segment
5460             vsegment.Seek( demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5461         }
5462     }
5463
5464 }
5465
5466 bool matroska_segment_c::CompareSegmentUIDs( const matroska_segment_c * p_item_a, const matroska_segment_c * p_item_b )
5467 {
5468     EbmlBinary *p_tmp;
5469
5470     if ( p_item_a == NULL || p_item_b == NULL )
5471         return false;
5472
5473     p_tmp = (EbmlBinary *)p_item_a->p_segment_uid;
5474     if ( p_item_b->p_prev_segment_uid != NULL
5475           && *p_tmp == *p_item_b->p_prev_segment_uid )
5476         return true;
5477
5478     p_tmp = (EbmlBinary *)p_item_a->p_next_segment_uid;
5479     if ( !p_tmp )
5480         return false;
5481
5482     if ( p_item_b->p_segment_uid != NULL
5483           && *p_tmp == *p_item_b->p_segment_uid )
5484         return true;
5485
5486     if ( p_item_b->p_prev_segment_uid != NULL
5487           && *p_tmp == *p_item_b->p_prev_segment_uid )
5488         return true;
5489
5490     return false;
5491 }
5492
5493 bool matroska_segment_c::Preload( )
5494 {
5495     if ( b_preloaded )
5496         return false;
5497
5498     EbmlElement *el = NULL;
5499
5500     ep->Reset( &sys.demuxer );
5501
5502     while( ( el = ep->Get() ) != NULL )
5503     {
5504         if( MKV_IS_ID( el, KaxInfo ) )
5505         {
5506             ParseInfo( static_cast<KaxInfo*>( el ) );
5507         }
5508         else if( MKV_IS_ID( el, KaxTracks ) )
5509         {
5510             ParseTracks( static_cast<KaxTracks*>( el ) );
5511             if ( tracks.size() == 0 )
5512             {
5513                 msg_Err( &sys.demuxer, "No tracks supported" );
5514                 return false;
5515             }
5516         }
5517         else if( MKV_IS_ID( el, KaxSeekHead ) )
5518         {
5519             ParseSeekHead( static_cast<KaxSeekHead*>( el ) );
5520         }
5521         else if( MKV_IS_ID( el, KaxCues ) )
5522         {
5523             msg_Dbg( &sys.demuxer, "|   + Cues" );
5524         }
5525         else if( MKV_IS_ID( el, KaxCluster ) )
5526         {
5527             msg_Dbg( &sys.demuxer, "|   + Cluster" );
5528
5529             cluster = (KaxCluster*)el;
5530
5531             i_cluster_pos = i_start_pos = cluster->GetElementPosition();
5532             ParseCluster( );
5533
5534             ep->Down();
5535             /* stop parsing the stream */
5536             break;
5537         }
5538         else if( MKV_IS_ID( el, KaxAttachments ) )
5539         {
5540             msg_Dbg( &sys.demuxer, "|   + Attachments" );
5541             ParseAttachments( static_cast<KaxAttachments*>( el ) );
5542         }
5543         else if( MKV_IS_ID( el, KaxChapters ) )
5544         {
5545             msg_Dbg( &sys.demuxer, "|   + Chapters" );
5546             ParseChapters( static_cast<KaxChapters*>( el ) );
5547         }
5548         else if( MKV_IS_ID( el, KaxTag ) )
5549         {
5550             msg_Dbg( &sys.demuxer, "|   + Tags FIXME TODO" );
5551         }
5552         else
5553         {
5554             msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid(*el).name() );
5555         }
5556     }
5557
5558     b_preloaded = true;
5559
5560     return true;
5561 }
5562
5563 matroska_segment_c *demux_sys_t::FindSegment( const EbmlBinary & uid ) const
5564 {
5565     for (size_t i=0; i<opened_segments.size(); i++)
5566     {
5567         if ( *opened_segments[i]->p_segment_uid == uid )
5568             return opened_segments[i];
5569     }
5570     return NULL;
5571 }
5572
5573 chapter_item_c *demux_sys_t::BrowseCodecPrivate( unsigned int codec_id,
5574                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
5575                                         const void *p_cookie,
5576                                         size_t i_cookie_size,
5577                                         virtual_segment_c * &p_segment_found )
5578 {
5579     chapter_item_c *p_result = NULL;
5580     for (size_t i=0; i<used_segments.size(); i++)
5581     {
5582         p_result = used_segments[i]->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
5583         if ( p_result != NULL )
5584         {
5585             p_segment_found = used_segments[i];
5586             break;
5587         }
5588     }
5589     return p_result;
5590 }
5591
5592 chapter_item_c *demux_sys_t::FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found )
5593 {
5594     chapter_item_c *p_result = NULL;
5595     for (size_t i=0; i<used_segments.size(); i++)
5596     {
5597         p_result = used_segments[i]->FindChapter( i_find_uid );
5598         if ( p_result != NULL )
5599         {
5600             p_segment_found = used_segments[i];
5601             break;
5602         }
5603     }
5604     return p_result;
5605 }
5606
5607 void virtual_segment_c::Sort()
5608 {
5609     // keep the current segment index
5610     matroska_segment_c *p_segment = linked_segments[i_current_segment];
5611
5612     std::sort( linked_segments.begin(), linked_segments.end(), matroska_segment_c::CompareSegmentUIDs );
5613
5614     for ( i_current_segment=0; i_current_segment<linked_segments.size(); i_current_segment++)
5615         if ( linked_segments[i_current_segment] == p_segment )
5616             break;
5617 }
5618
5619 size_t virtual_segment_c::AddSegment( matroska_segment_c *p_segment )
5620 {
5621     size_t i;
5622     // check if it's not already in here
5623     for ( i=0; i<linked_segments.size(); i++ )
5624     {
5625         if ( linked_segments[i]->p_segment_uid != NULL
5626             && p_segment->p_segment_uid != NULL
5627             && *p_segment->p_segment_uid == *linked_segments[i]->p_segment_uid )
5628             return 0;
5629     }
5630
5631     // find possible mates
5632     for ( i=0; i<linked_uids.size(); i++ )
5633     {
5634         if (   (p_segment->p_segment_uid != NULL && *p_segment->p_segment_uid == linked_uids[i])
5635             || (p_segment->p_prev_segment_uid != NULL && *p_segment->p_prev_segment_uid == linked_uids[i])
5636             || (p_segment->p_next_segment_uid !=NULL && *p_segment->p_next_segment_uid == linked_uids[i]) )
5637         {
5638             linked_segments.push_back( p_segment );
5639
5640             AppendUID( p_segment->p_prev_segment_uid );
5641             AppendUID( p_segment->p_next_segment_uid );
5642
5643             return 1;
5644         }
5645     }
5646     return 0;
5647 }
5648
5649 void virtual_segment_c::PreloadLinked( )
5650 {
5651     for ( size_t i=0; i<linked_segments.size(); i++ )
5652     {
5653         linked_segments[i]->Preload( );
5654     }
5655     i_current_edition = linked_segments[0]->i_default_edition;
5656 }
5657
5658 mtime_t virtual_segment_c::Duration() const
5659 {
5660     mtime_t i_duration;
5661     if ( linked_segments.size() == 0 )
5662         i_duration = 0;
5663     else {
5664         matroska_segment_c *p_last_segment = linked_segments[linked_segments.size()-1];
5665 //        p_last_segment->ParseCluster( );
5666
5667         i_duration = p_last_segment->i_start_time / 1000 + p_last_segment->i_duration;
5668     }
5669     return i_duration;
5670 }
5671
5672 void virtual_segment_c::LoadCues( )
5673 {
5674     for ( size_t i=0; i<linked_segments.size(); i++ )
5675     {
5676         linked_segments[i]->LoadCues();
5677     }
5678 }
5679
5680 void virtual_segment_c::AppendUID( const EbmlBinary * p_UID )
5681 {
5682     if ( p_UID == NULL )
5683         return;
5684     if ( p_UID->GetBuffer() == NULL )
5685         return;
5686
5687     for (size_t i=0; i<linked_uids.size(); i++)
5688     {
5689         if ( *p_UID == linked_uids[i] )
5690             return;
5691     }
5692     linked_uids.push_back( *(KaxSegmentUID*)(p_UID) );
5693 }
5694
5695 void matroska_segment_c::Seek( mtime_t i_date, mtime_t i_time_offset )
5696 {
5697     KaxBlock    *block;
5698 #if LIBMATROSKA_VERSION >= 0x000800
5699     KaxSimpleBlock *simpleblock;
5700 #endif
5701     int         i_track_skipping;
5702     int64_t     i_block_duration;
5703     int64_t     i_block_ref1;
5704     int64_t     i_block_ref2;
5705     size_t      i_track;
5706     int64_t     i_seek_position = i_start_pos;
5707     int64_t     i_seek_time = i_start_time;
5708
5709     if ( i_index > 0 )
5710     {
5711         int i_idx = 0;
5712
5713         for( ; i_idx < i_index; i_idx++ )
5714         {
5715             if( p_indexes[i_idx].i_time + i_time_offset > i_date )
5716             {
5717                 break;
5718             }
5719         }
5720
5721         if( i_idx > 0 )
5722         {
5723             i_idx--;
5724         }
5725
5726         i_seek_position = p_indexes[i_idx].i_position;
5727         i_seek_time = p_indexes[i_idx].i_time;
5728     }
5729
5730     msg_Dbg( &sys.demuxer, "seek got "I64Fd" (%d%%)",
5731                 i_seek_time, (int)( 100 * i_seek_position / stream_Size( sys.demuxer.s ) ) );
5732
5733     es.I_O().setFilePointer( i_seek_position, seek_beginning );
5734
5735     delete ep;
5736     ep = new EbmlParser( &es, segment, &sys.demuxer );
5737     cluster = NULL;
5738
5739     sys.i_start_pts = i_date;
5740
5741     es_out_Control( sys.demuxer.out, ES_OUT_RESET_PCR );
5742
5743     /* now parse until key frame */
5744     i_track_skipping = 0;
5745     for( i_track = 0; i_track < tracks.size(); i_track++ )
5746     {
5747         if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5748         {
5749             tracks[i_track]->b_search_keyframe = VLC_TRUE;
5750             i_track_skipping++;
5751         }
5752         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_date );
5753     }
5754
5755
5756     while( i_track_skipping > 0 )
5757     {
5758 #if LIBMATROSKA_VERSION >= 0x000800
5759         if( BlockGet( block, simpleblock, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
5760 #else
5761         if( BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
5762 #endif
5763         {
5764             msg_Warn( &sys.demuxer, "cannot get block EOF?" );
5765
5766             return;
5767         }
5768         ep->Down();
5769
5770         for( i_track = 0; i_track < tracks.size(); i_track++ )
5771         {
5772 #if LIBMATROSKA_VERSION >= 0x000800
5773             if( (simpleblock && tracks[i_track]->i_number == simpleblock->TrackNum()) ||
5774                 (block && tracks[i_track]->i_number == block->TrackNum()) )
5775 #else
5776             if( tracks[i_track]->i_number == block->TrackNum() )
5777 #endif
5778             {
5779                 break;
5780             }
5781         }
5782
5783 #if LIBMATROSKA_VERSION >= 0x000800
5784         if( simpleblock )
5785             sys.i_pts = (sys.i_chapter_time + simpleblock->GlobalTimecode()) / (mtime_t) 1000;
5786         else
5787 #endif
5788             sys.i_pts = (sys.i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
5789
5790         if( i_track < tracks.size() )
5791         {
5792            if( sys.i_pts >= sys.i_start_pts )
5793             {
5794                 cluster = static_cast<KaxCluster*>(ep->UnGet( i_block_pos, i_cluster_pos ));
5795                 i_track_skipping = 0;
5796             }
5797             else if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5798             {
5799                 if( i_block_ref1 == 0 && tracks[i_track]->b_search_keyframe )
5800                 {
5801                     tracks[i_track]->b_search_keyframe = VLC_FALSE;
5802                     i_track_skipping--;
5803                 }
5804                 if( !tracks[i_track]->b_search_keyframe )
5805                 {
5806 #if LIBMATROSKA_VERSION >= 0x000800
5807                     BlockDecode( &sys.demuxer, block, simpleblock, sys.i_pts, 0, i_block_ref1 >= 0 || i_block_ref2 > 0 );
5808 #else
5809                     BlockDecode( &sys.demuxer, block, sys.i_pts, 0, i_block_ref1 >= 0 || i_block_ref2 > 0 );
5810 #endif
5811                 }
5812             }
5813         }
5814
5815         delete block;
5816     }
5817 }
5818
5819 void virtual_segment_c::Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter )
5820 {
5821     demux_sys_t *p_sys = demuxer.p_sys;
5822     size_t i;
5823
5824     // find the actual time for an ordered edition
5825     if ( psz_chapter == NULL )
5826     {
5827         if ( Edition() && Edition()->b_ordered )
5828         {
5829             /* 1st, we need to know in which chapter we are */
5830             psz_chapter = (*p_editions)[i_current_edition]->FindTimecode( i_date, psz_current_chapter );
5831         }
5832     }
5833
5834     if ( psz_chapter != NULL )
5835     {
5836         psz_current_chapter = psz_chapter;
5837         p_sys->i_chapter_time = i_time_offset = psz_chapter->i_user_start_time - psz_chapter->i_start_time;
5838         if ( psz_chapter->i_seekpoint_num > 0 )
5839         {
5840             demuxer.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
5841             demuxer.info.i_title = p_sys->i_current_title = i_sys_title;
5842             demuxer.info.i_seekpoint = psz_chapter->i_seekpoint_num - 1;
5843         }
5844     }
5845
5846     // find the best matching segment
5847     for ( i=0; i<linked_segments.size(); i++ )
5848     {
5849         if ( i_date < linked_segments[i]->i_start_time )
5850             break;
5851     }
5852
5853     if ( i > 0 )
5854         i--;
5855
5856     if ( i_current_segment != i  )
5857     {
5858         linked_segments[i_current_segment]->UnSelect();
5859         linked_segments[i]->Select( i_date );
5860         i_current_segment = i;
5861     }
5862
5863     linked_segments[i]->Seek( i_date, i_time_offset );
5864 }
5865
5866 void chapter_codec_cmds_c::AddCommand( const KaxChapterProcessCommand & command )
5867 {
5868     size_t i;
5869
5870     uint32 codec_time = uint32(-1);
5871     for( i = 0; i < command.ListSize(); i++ )
5872     {
5873         const EbmlElement *k = command[i];
5874
5875         if( MKV_IS_ID( k, KaxChapterProcessTime ) )
5876         {
5877             codec_time = uint32( *static_cast<const KaxChapterProcessTime*>( k ) );
5878             break;
5879         }
5880     }
5881
5882     for( i = 0; i < command.ListSize(); i++ )
5883     {
5884         const EbmlElement *k = command[i];
5885
5886         if( MKV_IS_ID( k, KaxChapterProcessData ) )
5887         {
5888             KaxChapterProcessData *p_data =  new KaxChapterProcessData( *static_cast<const KaxChapterProcessData*>( k ) );
5889             switch ( codec_time )
5890             {
5891             case 0:
5892                 during_cmds.push_back( p_data );
5893                 break;
5894             case 1:
5895                 enter_cmds.push_back( p_data );
5896                 break;
5897             case 2:
5898                 leave_cmds.push_back( p_data );
5899                 break;
5900             default:
5901                 delete p_data;
5902             }
5903         }
5904     }
5905 }
5906
5907 bool chapter_item_c::Enter( bool b_do_subs )
5908 {
5909     bool f_result = false;
5910     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5911     while ( index != codecs.end() )
5912     {
5913         f_result |= (*index)->Enter();
5914         index++;
5915     }
5916
5917     if ( b_do_subs )
5918     {
5919         // sub chapters
5920         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5921         while ( index_ != sub_chapters.end() )
5922         {
5923             f_result |= (*index_)->Enter( true );
5924             index_++;
5925         }
5926     }
5927     return f_result;
5928 }
5929
5930 bool chapter_item_c::Leave( bool b_do_subs )
5931 {
5932     bool f_result = false;
5933     b_is_leaving = true;
5934     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5935     while ( index != codecs.end() )
5936     {
5937         f_result |= (*index)->Leave();
5938         index++;
5939     }
5940
5941     if ( b_do_subs )
5942     {
5943         // sub chapters
5944         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5945         while ( index_ != sub_chapters.end() )
5946         {
5947             f_result |= (*index_)->Leave( true );
5948             index_++;
5949         }
5950     }
5951     b_is_leaving = false;
5952     return f_result;
5953 }
5954
5955 bool chapter_item_c::EnterAndLeave( chapter_item_c *p_item, bool b_final_enter )
5956 {
5957     chapter_item_c *p_common_parent = p_item;
5958
5959     // leave, up to a common parent
5960     while ( p_common_parent != NULL && !p_common_parent->ParentOf( *this ) )
5961     {
5962         if ( !p_common_parent->b_is_leaving && p_common_parent->Leave( false ) )
5963             return true;
5964         p_common_parent = p_common_parent->psz_parent;
5965     }
5966
5967     // enter from the parent to <this>
5968     if ( p_common_parent != NULL )
5969     {
5970         do
5971         {
5972             if ( p_common_parent == this )
5973                 return Enter( true );
5974
5975             for ( size_t i = 0; i<p_common_parent->sub_chapters.size(); i++ )
5976             {
5977                 if ( p_common_parent->sub_chapters[i]->ParentOf( *this ) )
5978                 {
5979                     p_common_parent = p_common_parent->sub_chapters[i];
5980                     if ( p_common_parent != this )
5981                         if ( p_common_parent->Enter( false ) )
5982                             return true;
5983
5984                     break;
5985                 }
5986             }
5987         } while ( 1 );
5988     }
5989
5990     if ( b_final_enter )
5991         return Enter( true );
5992     else
5993         return false;
5994 }
5995
5996 bool dvd_chapter_codec_c::Enter()
5997 {
5998     bool f_result = false;
5999     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
6000     while ( index != enter_cmds.end() )
6001     {
6002         if ( (*index)->GetSize() )
6003         {
6004             binary *p_data = (*index)->GetBuffer();
6005             size_t i_size = *p_data++;
6006             // avoid reading too much from the buffer
6007             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
6008             for ( ; i_size > 0; i_size--, p_data += 8 )
6009             {
6010                 msg_Dbg( &sys.demuxer, "Matroska DVD enter command" );
6011                 f_result |= sys.dvd_interpretor.Interpret( p_data );
6012             }
6013         }
6014         index++;
6015     }
6016     return f_result;
6017 }
6018
6019 bool dvd_chapter_codec_c::Leave()
6020 {
6021     bool f_result = false;
6022     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
6023     while ( index != leave_cmds.end() )
6024     {
6025         if ( (*index)->GetSize() )
6026         {
6027             binary *p_data = (*index)->GetBuffer();
6028             size_t i_size = *p_data++;
6029             // avoid reading too much from the buffer
6030             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
6031             for ( ; i_size > 0; i_size--, p_data += 8 )
6032             {
6033                 msg_Dbg( &sys.demuxer, "Matroska DVD leave command" );
6034                 f_result |= sys.dvd_interpretor.Interpret( p_data );
6035             }
6036         }
6037         index++;
6038     }
6039     return f_result;
6040 }
6041
6042 // see http://www.dvd-replica.com/DVD/vmcmdset.php for a description of DVD commands
6043 bool dvd_command_interpretor_c::Interpret( const binary * p_command, size_t i_size )
6044 {
6045     if ( i_size != 8 )
6046         return false;
6047
6048     virtual_segment_c *p_segment = NULL;
6049     chapter_item_c *p_chapter = NULL;
6050     bool f_result = false;
6051     uint16 i_command = ( p_command[0] << 8 ) + p_command[1];
6052
6053     // handle register tests if there are some
6054     if ( (i_command & 0xF0) != 0 )
6055     {
6056         bool b_test_positive = true;//(i_command & CMD_DVD_IF_NOT) == 0;
6057         bool b_test_value    = (i_command & CMD_DVD_TEST_VALUE) != 0;
6058         uint8 i_test = i_command & 0x70;
6059         uint16 i_value;
6060
6061         // see http://dvd.sourceforge.net/dvdinfo/vmi.html
6062         uint8  i_cr1;
6063         uint16 i_cr2;
6064         switch ( i_command >> 12 )
6065         {
6066         default:
6067             i_cr1 = p_command[3];
6068             i_cr2 = (p_command[4] << 8) + p_command[5];
6069             break;
6070         case 3:
6071         case 4:
6072         case 5:
6073             i_cr1 = p_command[6];
6074             i_cr2 = p_command[7];
6075             b_test_value = false;
6076             break;
6077         case 6:
6078         case 7:
6079             if ( ((p_command[1] >> 4) & 0x7) == 0)
6080             {
6081                 i_cr1 = p_command[2];
6082                 i_cr2 = (p_command[6] << 8) + p_command[7];
6083             }
6084             else
6085             {
6086                 i_cr1 = p_command[2];
6087                 i_cr2 = (p_command[6] << 8) + p_command[7];
6088             }
6089             break;
6090         }
6091
6092         if ( b_test_value )
6093             i_value = i_cr2;
6094         else
6095             i_value = GetPRM( i_cr2 );
6096
6097         switch ( i_test )
6098         {
6099         case CMD_DVD_IF_GPREG_EQUAL:
6100             // if equals
6101             msg_Dbg( &sys.demuxer, "IF %s EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6102             if (!( GetPRM( i_cr1 ) == i_value ))
6103             {
6104                 b_test_positive = false;
6105             }
6106             break;
6107         case CMD_DVD_IF_GPREG_NOT_EQUAL:
6108             // if not equals
6109             msg_Dbg( &sys.demuxer, "IF %s NOT EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6110             if (!( GetPRM( i_cr1 ) != i_value ))
6111             {
6112                 b_test_positive = false;
6113             }
6114             break;
6115         case CMD_DVD_IF_GPREG_INF:
6116             // if inferior
6117             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6118             if (!( GetPRM( i_cr1 ) < i_value ))
6119             {
6120                 b_test_positive = false;
6121             }
6122             break;
6123         case CMD_DVD_IF_GPREG_INF_EQUAL:
6124             // if inferior or equal
6125             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6126             if (!( GetPRM( i_cr1 ) <= i_value ))
6127             {
6128                 b_test_positive = false;
6129             }
6130             break;
6131         case CMD_DVD_IF_GPREG_AND:
6132             // if logical and
6133             msg_Dbg( &sys.demuxer, "IF %s & %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6134             if (!( GetPRM( i_cr1 ) & i_value ))
6135             {
6136                 b_test_positive = false;
6137             }
6138             break;
6139         case CMD_DVD_IF_GPREG_SUP:
6140             // if superior
6141             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6142             if (!( GetPRM( i_cr1 ) > i_value ))
6143             {
6144                 b_test_positive = false;
6145             }
6146             break;
6147         case CMD_DVD_IF_GPREG_SUP_EQUAL:
6148             // if superior or equal
6149             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6150             if (!( GetPRM( i_cr1 ) >= i_value ))
6151             {
6152                 b_test_positive = false;
6153             }
6154             break;
6155         }
6156
6157         if ( !b_test_positive )
6158             return false;
6159     }
6160
6161     // strip the test command
6162     i_command &= 0xFF0F;
6163
6164     switch ( i_command )
6165     {
6166     case CMD_DVD_NOP:
6167     case CMD_DVD_NOP2:
6168         {
6169             msg_Dbg( &sys.demuxer, "NOP" );
6170             break;
6171         }
6172     case CMD_DVD_BREAK:
6173         {
6174             msg_Dbg( &sys.demuxer, "Break" );
6175             // TODO
6176             break;
6177         }
6178     case CMD_DVD_JUMP_TT:
6179         {
6180             uint8 i_title = p_command[5];
6181             msg_Dbg( &sys.demuxer, "JumpTT %d", i_title );
6182
6183             // find in the ChapProcessPrivate matching this Title level
6184             p_chapter = sys.BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title), p_segment );
6185             if ( p_segment != NULL )
6186             {
6187                 sys.JumpTo( *p_segment, p_chapter );
6188                 f_result = true;
6189             }
6190
6191             break;
6192         }
6193     case CMD_DVD_CALLSS_VTSM1:
6194         {
6195             msg_Dbg( &sys.demuxer, "CallSS" );
6196             binary p_type;
6197             switch( (p_command[6] & 0xC0) >> 6 ) {
6198                 case 0:
6199                     p_type = p_command[5] & 0x0F;
6200                     switch ( p_type )
6201                     {
6202                     case 0x00:
6203                         msg_Dbg( &sys.demuxer, "CallSS PGC (rsm_cell %x)", p_command[4]);
6204                         break;
6205                     case 0x02:
6206                         msg_Dbg( &sys.demuxer, "CallSS Title Entry (rsm_cell %x)", p_command[4]);
6207                         break;
6208                     case 0x03:
6209                         msg_Dbg( &sys.demuxer, "CallSS Root Menu (rsm_cell %x)", p_command[4]);
6210                         break;
6211                     case 0x04:
6212                         msg_Dbg( &sys.demuxer, "CallSS Subpicture Menu (rsm_cell %x)", p_command[4]);
6213                         break;
6214                     case 0x05:
6215                         msg_Dbg( &sys.demuxer, "CallSS Audio Menu (rsm_cell %x)", p_command[4]);
6216                         break;
6217                     case 0x06:
6218                         msg_Dbg( &sys.demuxer, "CallSS Angle Menu (rsm_cell %x)", p_command[4]);
6219                         break;
6220                     case 0x07:
6221                         msg_Dbg( &sys.demuxer, "CallSS Chapter Menu (rsm_cell %x)", p_command[4]);
6222                         break;
6223                     default:
6224                         msg_Dbg( &sys.demuxer, "CallSS <unknown> (rsm_cell %x)", p_command[4]);
6225                         break;
6226                     }
6227                     p_chapter = sys.BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1, p_segment );
6228                     if ( p_segment != NULL )
6229                     {
6230                         sys.JumpTo( *p_segment, p_chapter );
6231                         f_result = true;
6232                     }
6233                 break;
6234                 case 1:
6235                     msg_Dbg( &sys.demuxer, "CallSS VMGM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
6236                 break;
6237                 case 2:
6238                     msg_Dbg( &sys.demuxer, "CallSS VTSM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
6239                 break;
6240                 case 3:
6241                     msg_Dbg( &sys.demuxer, "CallSS VMGM (pgc %d, rsm_cell %x)", (p_command[2] << 8) + p_command[3], p_command[4]);
6242                 break;
6243             }
6244             break;
6245         }
6246     case CMD_DVD_JUMP_SS:
6247         {
6248             msg_Dbg( &sys.demuxer, "JumpSS");
6249             binary p_type;
6250             switch( (p_command[5] & 0xC0) >> 6 ) {
6251                 case 0:
6252                     msg_Dbg( &sys.demuxer, "JumpSS FP");
6253                 break;
6254                 case 1:
6255                     p_type = p_command[5] & 0x0F;
6256                     switch ( p_type )
6257                     {
6258                     case 0x02:
6259                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Title Entry");
6260                         break;
6261                     case 0x03:
6262                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Root Menu");
6263                         break;
6264                     case 0x04:
6265                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Subpicture Menu");
6266                         break;
6267                     case 0x05:
6268                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Audio Menu");
6269                         break;
6270                     case 0x06:
6271                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Angle Menu");
6272                         break;
6273                     case 0x07:
6274                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Chapter Menu");
6275                         break;
6276                     default:
6277                         msg_Dbg( &sys.demuxer, "JumpSS <unknown>");
6278                         break;
6279                     }
6280                     // find the VMG
6281                     p_chapter = sys.BrowseCodecPrivate( 1, MatchIsVMG, NULL, 0, p_segment );
6282                     if ( p_segment != NULL )
6283                     {
6284                         p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
6285                         if ( p_chapter != NULL )
6286                         {
6287                             sys.JumpTo( *p_segment, p_chapter );
6288                             f_result = true;
6289                         }
6290                     }
6291                 break;
6292                 case 2:
6293                     p_type = p_command[5] & 0x0F;
6294                     switch ( p_type )
6295                     {
6296                     case 0x02:
6297                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Title Entry", p_command[4], p_command[3]);
6298                         break;
6299                     case 0x03:
6300                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Root Menu", p_command[4], p_command[3]);
6301                         break;
6302                     case 0x04:
6303                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Subpicture Menu", p_command[4], p_command[3]);
6304                         break;
6305                     case 0x05:
6306                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Audio Menu", p_command[4], p_command[3]);
6307                         break;
6308                     case 0x06:
6309                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Angle Menu", p_command[4], p_command[3]);
6310                         break;
6311                     case 0x07:
6312                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Chapter Menu", p_command[4], p_command[3]);
6313                         break;
6314                     default:
6315                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) <unknown>", p_command[4], p_command[3]);
6316                         break;
6317                     }
6318
6319                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSMNumber, &p_command[4], 1, p_segment );
6320
6321                     if ( p_segment != NULL && p_chapter != NULL )
6322                     {
6323                         // find the title in the VTS
6324                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &p_command[3], 1 );
6325                         if ( p_chapter != NULL )
6326                         {
6327                             // find the specified menu in the VTSM
6328                             p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
6329                             if ( p_chapter != NULL )
6330                             {
6331                                 sys.JumpTo( *p_segment, p_chapter );
6332                                 f_result = true;
6333                             }
6334                         }
6335                         else
6336                             msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", p_command[3] );
6337                     }
6338                     else
6339                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", p_command[4] );
6340                 break;
6341                 case 3:
6342                     msg_Dbg( &sys.demuxer, "JumpSS VMGM (pgc %d)", (p_command[2] << 8) + p_command[3]);
6343                 break;
6344             }
6345             break;
6346         }
6347     case CMD_DVD_JUMPVTS_PTT:
6348         {
6349             uint8 i_title = p_command[5];
6350             uint8 i_ptt = p_command[3];
6351
6352             msg_Dbg( &sys.demuxer, "JumpVTS Title (%d) PTT (%d)", i_title, i_ptt);
6353
6354             // find the current VTS content segment
6355             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchIsDomain, NULL, 0 );
6356             if ( p_chapter != NULL )
6357             {
6358                 int16 i_curr_title = p_chapter->GetTitleNumber( );
6359                 if ( i_curr_title > 0 )
6360                 {
6361                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSNumber, &i_curr_title, sizeof(i_curr_title), p_segment );
6362
6363                     if ( p_segment != NULL && p_chapter != NULL )
6364                     {
6365                         // find the title in the VTS
6366                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title) );
6367                         if ( p_chapter != NULL )
6368                         {
6369                             // find the chapter in the title
6370                             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchChapterNumber, &i_ptt, sizeof(i_ptt) );
6371                             if ( p_chapter != NULL )
6372                             {
6373                                 sys.JumpTo( *p_segment, p_chapter );
6374                                 f_result = true;
6375                             }
6376                         }
6377                     else
6378                         msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", i_title );
6379                     }
6380                     else
6381                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", i_curr_title );
6382                 }
6383                 else
6384                     msg_Dbg( &sys.demuxer, "JumpVTS_PTT command found but not in a VTS(M)");
6385             }
6386             else
6387                 msg_Dbg( &sys.demuxer, "JumpVTS_PTT command but the DVD domain wasn't found");
6388             break;
6389         }
6390     case CMD_DVD_SET_GPRMMD:
6391         {
6392             msg_Dbg( &sys.demuxer, "Set GPRMMD [%d]=%d", (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3]);
6393
6394             if ( !SetGPRM( (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3] ) )
6395                 msg_Dbg( &sys.demuxer, "Set GPRMMD failed" );
6396             break;
6397         }
6398     case CMD_DVD_LINKPGCN:
6399         {
6400             uint16 i_pgcn = (p_command[6] << 8) + p_command[7];
6401
6402             msg_Dbg( &sys.demuxer, "Link PGCN(%d)", i_pgcn );
6403             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchPgcNumber, &i_pgcn, 2 );
6404             if ( p_chapter != NULL )
6405             {
6406                 if ( !p_chapter->Enter( true ) )
6407                     // jump to the location in the found segment
6408                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6409
6410                 f_result = true;
6411             }
6412             break;
6413         }
6414     case CMD_DVD_LINKCN:
6415         {
6416             uint8 i_cn = p_command[7];
6417
6418             p_chapter = sys.p_current_segment->CurrentChapter();
6419
6420             msg_Dbg( &sys.demuxer, "LinkCN (cell %d)", i_cn );
6421             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchCellNumber, &i_cn, 1 );
6422             if ( p_chapter != NULL )
6423             {
6424                 if ( !p_chapter->Enter( true ) )
6425                     // jump to the location in the found segment
6426                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6427
6428                 f_result = true;
6429             }
6430             break;
6431         }
6432     case CMD_DVD_GOTO_LINE:
6433         {
6434             msg_Dbg( &sys.demuxer, "GotoLine (%d)", (p_command[6] << 8) + p_command[7] );
6435             // TODO
6436             break;
6437         }
6438     case CMD_DVD_SET_HL_BTNN1:
6439         {
6440             msg_Dbg( &sys.demuxer, "SetHL_BTN (%d)", p_command[4] );
6441             SetSPRM( 0x88, p_command[4] );
6442             break;
6443         }
6444     default:
6445         {
6446             msg_Dbg( &sys.demuxer, "unsupported command : %02X %02X %02X %02X %02X %02X %02X %02X"
6447                      ,p_command[0]
6448                      ,p_command[1]
6449                      ,p_command[2]
6450                      ,p_command[3]
6451                      ,p_command[4]
6452                      ,p_command[5]
6453                      ,p_command[6]
6454                      ,p_command[7]);
6455             break;
6456         }
6457     }
6458
6459     return f_result;
6460 }
6461
6462 bool dvd_command_interpretor_c::MatchIsDomain( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6463 {
6464     return ( data.p_private_data != NULL && data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS );
6465 }
6466
6467 bool dvd_command_interpretor_c::MatchIsVMG( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6468 {
6469     if ( data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
6470         return false;
6471
6472     return ( data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS && data.p_private_data->GetBuffer()[1] == 0xC0);
6473 }
6474
6475 bool dvd_command_interpretor_c::MatchVTSNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6476 {
6477     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6478         return false;
6479
6480     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x80 )
6481         return false;
6482
6483     uint16 i_gtitle = (data.p_private_data->GetBuffer()[2] << 8 ) + data.p_private_data->GetBuffer()[3];
6484     uint16 i_title = *(uint16*)p_cookie;
6485
6486     return (i_gtitle == i_title);
6487 }
6488
6489 bool dvd_command_interpretor_c::MatchVTSMNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6490 {
6491     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6492         return false;
6493
6494     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x40 )
6495         return false;
6496
6497     uint8 i_gtitle = data.p_private_data->GetBuffer()[3];
6498     uint8 i_title = *(uint8*)p_cookie;
6499
6500     return (i_gtitle == i_title);
6501 }
6502
6503 bool dvd_command_interpretor_c::MatchTitleNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6504 {
6505     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6506         return false;
6507
6508     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_TT )
6509         return false;
6510
6511     uint16 i_gtitle = (data.p_private_data->GetBuffer()[1] << 8 ) + data.p_private_data->GetBuffer()[2];
6512     uint8 i_title = *(uint8*)p_cookie;
6513
6514     return (i_gtitle == i_title);
6515 }
6516
6517 bool dvd_command_interpretor_c::MatchPgcType( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6518 {
6519     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6520         return false;
6521
6522     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6523         return false;
6524
6525     uint8 i_pgc_type = data.p_private_data->GetBuffer()[3] & 0x0F;
6526     uint8 i_pgc = *(uint8*)p_cookie;
6527
6528     return (i_pgc_type == i_pgc);
6529 }
6530
6531 bool dvd_command_interpretor_c::MatchPgcNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6532 {
6533     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6534         return false;
6535
6536     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6537         return false;
6538
6539     uint16 *i_pgc_n = (uint16 *)p_cookie;
6540     uint16 i_pgc_num = (data.p_private_data->GetBuffer()[1] << 8) + data.p_private_data->GetBuffer()[2];
6541
6542     return (i_pgc_num == *i_pgc_n);
6543 }
6544
6545 bool dvd_command_interpretor_c::MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6546 {
6547     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
6548         return false;
6549
6550     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PTT )
6551         return false;
6552
6553     uint8 i_chapter = data.p_private_data->GetBuffer()[1];
6554     uint8 i_ptt = *(uint8*)p_cookie;
6555
6556     return (i_chapter == i_ptt);
6557 }
6558
6559 bool dvd_command_interpretor_c::MatchCellNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6560 {
6561     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 5 )
6562         return false;
6563
6564     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_CN )
6565         return false;
6566
6567     uint8 *i_cell_n = (uint8 *)p_cookie;
6568     uint8 i_cell_num = data.p_private_data->GetBuffer()[3];
6569
6570     return (i_cell_num == *i_cell_n);
6571 }
6572
6573 bool matroska_script_codec_c::Enter()
6574 {
6575     bool f_result = false;
6576     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
6577     while ( index != enter_cmds.end() )
6578     {
6579         if ( (*index)->GetSize() )
6580         {
6581             msg_Dbg( &sys.demuxer, "Matroska Script enter command" );
6582             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6583         }
6584         index++;
6585     }
6586     return f_result;
6587 }
6588
6589 bool matroska_script_codec_c::Leave()
6590 {
6591     bool f_result = false;
6592     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
6593     while ( index != leave_cmds.end() )
6594     {
6595         if ( (*index)->GetSize() )
6596         {
6597             msg_Dbg( &sys.demuxer, "Matroska Script leave command" );
6598             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6599         }
6600         index++;
6601     }
6602     return f_result;
6603 }
6604
6605 // see http://www.matroska.org/technical/specs/chapters/index.html#mscript
6606 //  for a description of existing commands
6607 bool matroska_script_interpretor_c::Interpret( const binary * p_command, size_t i_size )
6608 {
6609     bool b_result = false;
6610
6611     char *psz_str = (char*) malloc( i_size + 1 );
6612     memcpy( psz_str, p_command, i_size );
6613     psz_str[ i_size ] = '\0';
6614
6615     std::string sz_command = psz_str;
6616     free( psz_str );
6617
6618     msg_Dbg( &sys.demuxer, "command : %s", sz_command.c_str() );
6619
6620 #if defined(__GNUC__) && (__GNUC__ < 3)
6621     if ( sz_command.compare( CMD_MS_GOTO_AND_PLAY, 0, CMD_MS_GOTO_AND_PLAY.size() ) == 0 )
6622 #else
6623     if ( sz_command.compare( 0, CMD_MS_GOTO_AND_PLAY.size(), CMD_MS_GOTO_AND_PLAY ) == 0 )
6624 #endif
6625     {
6626         size_t i,j;
6627
6628         // find the (
6629         for ( i=CMD_MS_GOTO_AND_PLAY.size(); i<sz_command.size(); i++)
6630         {
6631             if ( sz_command[i] == '(' )
6632             {
6633                 i++;
6634                 break;
6635             }
6636         }
6637         // find the )
6638         for ( j=i; j<sz_command.size(); j++)
6639         {
6640             if ( sz_command[j] == ')' )
6641             {
6642                 i--;
6643                 break;
6644             }
6645         }
6646
6647         std::string st = sz_command.substr( i+1, j-i-1 );
6648         int64_t i_chapter_uid = atoi( st.c_str() );
6649
6650         virtual_segment_c *p_segment;
6651         chapter_item_c *p_chapter = sys.FindChapter( i_chapter_uid, p_segment );
6652
6653         if ( p_chapter == NULL )
6654             msg_Dbg( &sys.demuxer, "Chapter "I64Fd" not found", i_chapter_uid);
6655         else
6656         {
6657             if ( !p_chapter->EnterAndLeave( sys.p_current_segment->CurrentChapter() ) )
6658                 p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6659             b_result = true;
6660         }
6661     }
6662
6663     return b_result;
6664 }
6665
6666 void demux_sys_t::SwapButtons()
6667 {
6668 #ifndef WORDS_BIGENDIAN
6669     uint8_t button, i, j;
6670
6671     for( button = 1; button <= pci_packet.hli.hl_gi.btn_ns; button++) {
6672         btni_t *button_ptr = &(pci_packet.hli.btnit[button-1]);
6673         binary *p_data = (binary*) button_ptr;
6674
6675         uint16 i_x_start = ((p_data[0] & 0x3F) << 4 ) + ( p_data[1] >> 4 );
6676         uint16 i_x_end   = ((p_data[1] & 0x03) << 8 ) + p_data[2];
6677         uint16 i_y_start = ((p_data[3] & 0x3F) << 4 ) + ( p_data[4] >> 4 );
6678         uint16 i_y_end   = ((p_data[4] & 0x03) << 8 ) + p_data[5];
6679         button_ptr->x_start = i_x_start;
6680         button_ptr->x_end   = i_x_end;
6681         button_ptr->y_start = i_y_start;
6682         button_ptr->y_end   = i_y_end;
6683
6684     }
6685     for ( i = 0; i<3; i++ )
6686     {
6687         for ( j = 0; j<2; j++ )
6688         {
6689             pci_packet.hli.btn_colit.btn_coli[i][j] = U32_AT( &pci_packet.hli.btn_colit.btn_coli[i][j] );
6690         }
6691     }
6692 #endif
6693 }