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

   1 /*****************************************************************************
   2  * mkv.cpp : matroska demuxer
   3  *****************************************************************************
   4  * Copyright (C) 2003-2004 VideoLAN
   5  * $Id$
   6  *
   7  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   8  *          Steve Lhomme <steve.lhomme@free.fr>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  23  *****************************************************************************/
  24
  25 /*****************************************************************************
  26  * Preamble
  27  *****************************************************************************/
  28 #include <stdlib.h>                                      /* malloc(), free() */
  29
  30 #include <vlc/vlc.h>
  31
  32 #ifdef HAVE_TIME_H
  33 #   include <time.h>                                               /* time() */
  34 #endif
  35
  36 #include <vlc/input.h>
  37
  38 #include <codecs.h>                        /* BITMAPINFOHEADER, WAVEFORMATEX */
  39 #include "iso_lang.h"
  40 #include "vlc_meta.h"
  41
  42 #include <iostream>
  43 #include <cassert>
  44 #include <typeinfo>
  45 #include <string>
  46 #include <vector>
  47 #include <algorithm>
  48
  49 #ifdef HAVE_DIRENT_H
  50 #   include <dirent.h>
  51 #endif
  52
  53 /* libebml and matroska */
  54 #include "ebml/EbmlHead.h"
  55 #include "ebml/EbmlSubHead.h"
  56 #include "ebml/EbmlStream.h"
  57 #include "ebml/EbmlContexts.h"
  58 #include "ebml/EbmlVoid.h"
  59 #include "ebml/EbmlVersion.h"
  60 #include "ebml/StdIOCallback.h"
  61
  62 #include "matroska/KaxAttachments.h"
  63 #include "matroska/KaxBlock.h"
  64 #include "matroska/KaxBlockData.h"
  65 #include "matroska/KaxChapters.h"
  66 #include "matroska/KaxCluster.h"
  67 #include "matroska/KaxClusterData.h"
  68 #include "matroska/KaxContexts.h"
  69 #include "matroska/KaxCues.h"
  70 #include "matroska/KaxCuesData.h"
  71 #include "matroska/KaxInfo.h"
  72 #include "matroska/KaxInfoData.h"
  73 #include "matroska/KaxSeekHead.h"
  74 #include "matroska/KaxSegment.h"
  75 #include "matroska/KaxTag.h"
  76 #include "matroska/KaxTags.h"
  77 #include "matroska/KaxTagMulti.h"
  78 #include "matroska/KaxTracks.h"
  79 #include "matroska/KaxTrackAudio.h"
  80 #include "matroska/KaxTrackVideo.h"
  81 #include "matroska/KaxTrackEntryData.h"
  82 #include "matroska/KaxContentEncoding.h"
  83 #include "matroska/KaxVersion.h"
  84
  85 #include "ebml/StdIOCallback.h"
  86
  87 #include "vlc_keys.h"
  88
  89 extern "C" {
  90    #include "mp4/libmp4.h"
  91 }
  92 #ifdef HAVE_ZLIB_H
  93 #   include <zlib.h>
  94 #endif
  95
  96 #define MATROSKA_COMPRESSION_NONE 0
  97 #define MATROSKA_COMPRESSION_ZLIB 1
  98
  99 #define MKVD_TIMECODESCALE 1000000
 100
 101 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 102 #undef ATTRIBUTE_PACKED
 103 #undef PRAGMA_PACK_BEGIN
 104 #undef PRAGMA_PACK_END
 105
 106 #if defined(__GNUC__)
 107 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)
 108 #define ATTRIBUTE_PACKED __attribute__ ((packed))
 109 #define PRAGMA_PACK 0
 110 #endif
 111 #endif
 112
 113 #if !defined(ATTRIBUTE_PACKED)
 114 #define ATTRIBUTE_PACKED
 115 #define PRAGMA_PACK 1
 116 #endif
 117
 118 #if PRAGMA_PACK
 119 #pragma pack(1)
 120 #endif
 121
 122 /*************************************
 123 *  taken from libdvdnav / libdvdread
 124 **************************************/
 125
 126 /**
 127  * DVD Time Information.
 128  */
 129 typedef struct {
 130   uint8_t hour;
 131   uint8_t minute;
 132   uint8_t second;
 133   uint8_t frame_u; /* The two high bits are the frame rate. */
 134 } ATTRIBUTE_PACKED dvd_time_t;
 135
 136 /**
 137  * User Operations.
 138  */
 139 typedef struct {
 140 #ifdef WORDS_BIGENDIAN
 141   unsigned char zero                           : 7; /* 25-31 */
 142   unsigned char video_pres_mode_change         : 1; /* 24 */
 143
 144   unsigned char karaoke_audio_pres_mode_change : 1; /* 23 */
 145   unsigned char angle_change                   : 1;
 146   unsigned char subpic_stream_change           : 1;
 147   unsigned char audio_stream_change            : 1;
 148   unsigned char pause_on                       : 1;
 149   unsigned char still_off                      : 1;
 150   unsigned char button_select_or_activate      : 1;
 151   unsigned char resume                         : 1; /* 16 */
 152
 153   unsigned char chapter_menu_call              : 1; /* 15 */
 154   unsigned char angle_menu_call                : 1;
 155   unsigned char audio_menu_call                : 1;
 156   unsigned char subpic_menu_call               : 1;
 157   unsigned char root_menu_call                 : 1;
 158   unsigned char title_menu_call                : 1;
 159   unsigned char backward_scan                  : 1;
 160   unsigned char forward_scan                   : 1; /* 8 */
 161
 162   unsigned char next_pg_search                 : 1; /* 7 */
 163   unsigned char prev_or_top_pg_search          : 1;
 164   unsigned char time_or_chapter_search         : 1;
 165   unsigned char go_up                          : 1;
 166   unsigned char stop                           : 1;
 167   unsigned char title_play                     : 1;
 168   unsigned char chapter_search_or_play         : 1;
 169   unsigned char title_or_time_play             : 1; /* 0 */
 170 #else
 171   unsigned char video_pres_mode_change         : 1; /* 24 */
 172   unsigned char zero                           : 7; /* 25-31 */
 173
 174   unsigned char resume                         : 1; /* 16 */
 175   unsigned char button_select_or_activate      : 1;
 176   unsigned char still_off                      : 1;
 177   unsigned char pause_on                       : 1;
 178   unsigned char audio_stream_change            : 1;
 179   unsigned char subpic_stream_change           : 1;
 180   unsigned char angle_change                   : 1;
 181   unsigned char karaoke_audio_pres_mode_change : 1; /* 23 */
 182
 183   unsigned char forward_scan                   : 1; /* 8 */
 184   unsigned char backward_scan                  : 1;
 185   unsigned char title_menu_call                : 1;
 186   unsigned char root_menu_call                 : 1;
 187   unsigned char subpic_menu_call               : 1;
 188   unsigned char audio_menu_call                : 1;
 189   unsigned char angle_menu_call                : 1;
 190   unsigned char chapter_menu_call              : 1; /* 15 */
 191
 192   unsigned char title_or_time_play             : 1; /* 0 */
 193   unsigned char chapter_search_or_play         : 1;
 194   unsigned char title_play                     : 1;
 195   unsigned char stop                           : 1;
 196   unsigned char go_up                          : 1;
 197   unsigned char time_or_chapter_search         : 1;
 198   unsigned char prev_or_top_pg_search          : 1;
 199   unsigned char next_pg_search                 : 1; /* 7 */
 200 #endif
 201 } ATTRIBUTE_PACKED user_ops_t;
 202
 203 /**
 204  * Type to store per-command data.
 205  */
 206 typedef struct {
 207   uint8_t bytes[8];
 208 } ATTRIBUTE_PACKED vm_cmd_t;
 209 #define COMMAND_DATA_SIZE 8
 210
 211 /**
 212  * PCI General Information
 213  */
 214 typedef struct {
 215   uint32_t nv_pck_lbn;      /**< sector address of this nav pack */
 216   uint16_t vobu_cat;        /**< 'category' of vobu */
 217   uint16_t zero1;           /**< reserved */
 218   user_ops_t vobu_uop_ctl;  /**< UOP of vobu */
 219   uint32_t vobu_s_ptm;      /**< start presentation time of vobu */
 220   uint32_t vobu_e_ptm;      /**< end presentation time of vobu */
 221   uint32_t vobu_se_e_ptm;   /**< end ptm of sequence end in vobu */
 222   dvd_time_t e_eltm;        /**< Cell elapsed time */
 223   char vobu_isrc[32];
 224 } ATTRIBUTE_PACKED pci_gi_t;
 225
 226 /**
 227  * Non Seamless Angle Information
 228  */
 229 typedef struct {
 230   uint32_t nsml_agl_dsta[9];  /**< address of destination vobu in AGL_C#n */
 231 } ATTRIBUTE_PACKED nsml_agli_t;
 232
 233 /**
 234  * Highlight General Information
 235  *
 236  * For btngrX_dsp_ty the bits have the following meaning:
 237  * 000b: normal 4/3 only buttons
 238  * XX1b: wide (16/9) buttons
 239  * X1Xb: letterbox buttons
 240  * 1XXb: pan&scan buttons
 241  */
 242 typedef struct {
 243   uint16_t hli_ss; /**< status, only low 2 bits 0: no buttons, 1: different 2: equal 3: eual except for button cmds */
 244   uint32_t hli_s_ptm;              /**< start ptm of hli */
 245   uint32_t hli_e_ptm;              /**< end ptm of hli */
 246   uint32_t btn_se_e_ptm;           /**< end ptm of button select */
 247 #ifdef WORDS_BIGENDIAN
 248   unsigned char zero1 : 2;          /**< reserved */
 249   unsigned char btngr_ns : 2;       /**< number of button groups 1, 2 or 3 with 36/18/12 buttons */
 250   unsigned char zero2 : 1;          /**< reserved */
 251   unsigned char btngr1_dsp_ty : 3;  /**< display type of subpic stream for button group 1 */
 252   unsigned char zero3 : 1;          /**< reserved */
 253   unsigned char btngr2_dsp_ty : 3;  /**< display type of subpic stream for button group 2 */
 254   unsigned char zero4 : 1;          /**< reserved */
 255   unsigned char btngr3_dsp_ty : 3;  /**< display type of subpic stream for button group 3 */
 256 #else
 257   unsigned char btngr1_dsp_ty : 3;
 258   unsigned char zero2 : 1;
 259   unsigned char btngr_ns : 2;
 260   unsigned char zero1 : 2;
 261   unsigned char btngr3_dsp_ty : 3;
 262   unsigned char zero4 : 1;
 263   unsigned char btngr2_dsp_ty : 3;
 264   unsigned char zero3 : 1;
 265 #endif
 266   uint8_t btn_ofn;     /**< button offset number range 0-255 */
 267   uint8_t btn_ns;      /**< number of valid buttons  <= 36/18/12 (low 6 bits) */
 268   uint8_t nsl_btn_ns;  /**< number of buttons selectable by U_BTNNi (low 6 bits)   nsl_btn_ns <= btn_ns */
 269   uint8_t zero5;       /**< reserved */
 270   uint8_t fosl_btnn;   /**< forcedly selected button  (low 6 bits) */
 271   uint8_t foac_btnn;   /**< forcedly activated button (low 6 bits) */
 272 } ATTRIBUTE_PACKED hl_gi_t;
 273
 274
 275 /**
 276  * Button Color Information Table
 277  * Each entry beeing a 32bit word that contains the color indexs and alpha
 278  * values to use.  They are all represented by 4 bit number and stored
 279  * like this [Ci3, Ci2, Ci1, Ci0, A3, A2, A1, A0].   The actual palette
 280  * that the indexes reference is in the PGC.
 281  * @TODO split the uint32_t into a struct
 282  */
 283 typedef struct {
 284   uint32_t btn_coli[3][2];  /**< [button color number-1][select:0/action:1] */
 285 } ATTRIBUTE_PACKED btn_colit_t;
 286
 287 /**
 288  * Button Information
 289  *
 290  * NOTE: I've had to change the structure from the disk layout to get
 291  * the packing to work with Sun's Forte C compiler.
 292  * The 4 and 7 bytes are 'rotated' was: ABC DEF GHIJ  is: ABCG DEFH IJ
 293  */
 294 typedef struct {
 295 #ifdef WORDS_BIGENDIAN
 296   uint32        btn_coln         : 2;  /**< button color number */
 297   uint32        x_start          : 10; /**< x start offset within the overlay */
 298   uint32        zero1            : 2;  /**< reserved */
 299   uint32        x_end            : 10; /**< x end offset within the overlay */
 300
 301   uint32        zero3            : 2;  /**< reserved */
 302   uint32        up               : 6;  /**< button index when pressing up */
 303
 304   uint32        auto_action_mode : 2;  /**< 0: no, 1: activated if selected */
 305   uint32        y_start          : 10; /**< y start offset within the overlay */
 306   uint32        zero2            : 2;  /**< reserved */
 307   uint32        y_end            : 10; /**< y end offset within the overlay */
 308
 309   uint32        zero4            : 2;  /**< reserved */
 310   uint32        down             : 6;  /**< button index when pressing down */
 311   unsigned char zero5            : 2;  /**< reserved */
 312   unsigned char left             : 6;  /**< button index when pressing left */
 313   unsigned char zero6            : 2;  /**< reserved */
 314   unsigned char right            : 6;  /**< button index when pressing right */
 315 #else
 316   uint32        x_end            : 10;
 317   uint32        zero1            : 2;
 318   uint32        x_start          : 10;
 319   uint32        btn_coln         : 2;
 320
 321   uint32        up               : 6;
 322   uint32        zero3            : 2;
 323
 324   uint32        y_end            : 10;
 325   uint32        zero2            : 2;
 326   uint32        y_start          : 10;
 327   uint32        auto_action_mode : 2;
 328
 329   uint32        down             : 6;
 330   uint32        zero4            : 2;
 331   unsigned char left             : 6;
 332   unsigned char zero5            : 2;
 333   unsigned char right            : 6;
 334   unsigned char zero6            : 2;
 335 #endif
 336   vm_cmd_t cmd;
 337 } ATTRIBUTE_PACKED btni_t;
 338
 339 /**
 340  * Highlight Information
 341  */
 342 typedef struct {
 343   hl_gi_t     hl_gi;
 344   btn_colit_t btn_colit;
 345   btni_t      btnit[36];
 346 } ATTRIBUTE_PACKED hli_t;
 347
 348 /**
 349  * PCI packet
 350  */
 351 typedef struct {
 352   pci_gi_t    pci_gi;
 353   nsml_agli_t nsml_agli;
 354   hli_t       hli;
 355   uint8_t     zero1[189];
 356 } ATTRIBUTE_PACKED pci_t;
 357
 358
 359 #if PRAGMA_PACK
 360 #pragma pack()
 361 #endif
 362 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 363
 364
 365 /**
 366  * What's between a directory and a filename?
 367  */
 368 #if defined( WIN32 )
 369     #define DIRECTORY_SEPARATOR '\\'
 370 #else
 371     #define DIRECTORY_SEPARATOR '/'
 372 #endif
 373
 374 using namespace LIBMATROSKA_NAMESPACE;
 375 using namespace std;
 376
 377 /*****************************************************************************
 378  * Module descriptor
 379  *****************************************************************************/
 380 static int  Open ( vlc_object_t * );
 381 static void Close( vlc_object_t * );
 382
 383 vlc_module_begin();
 384     set_shortname( "Matroska" );
 385     set_description( _("Matroska stream demuxer" ) );
 386     set_capability( "demux2", 50 );
 387     set_callbacks( Open, Close );
 388     set_category( CAT_INPUT );
 389     set_subcategory( SUBCAT_INPUT_DEMUX );
 390
 391     add_bool( "mkv-use-ordered-chapters", 1, NULL,
 392             N_("Ordered chapters"),
 393             N_("Play ordered chapters as specified in the segment."), VLC_TRUE );
 394
 395     add_bool( "mkv-use-chapter-codec", 1, NULL,
 396             N_("Chapter codecs"),
 397             N_("Use chapter codecs found in the segment."), VLC_TRUE );
 398
 399     add_bool( "mkv-seek-percent", 0, NULL,
 400             N_("Seek based on percent not time."),
 401             N_("Seek based on percent not time."), VLC_TRUE );
 402
 403     add_bool( "mkv-use-dummy", 0, NULL,
 404             N_("Dummy Elements"),
 405             N_("Read and discard unknown EBML elements (not good for broken files)."), VLC_TRUE );
 406
 407     add_shortcut( "mka" );
 408     add_shortcut( "mkv" );
 409 vlc_module_end();
 410
 411 /*****************************************************************************
 412  * Local prototypes
 413  *****************************************************************************/
 414 #ifdef HAVE_ZLIB_H
 415 block_t *block_zlib_decompress( vlc_object_t *p_this, block_t *p_in_block ) {
 416     int result, dstsize, n;
 417     unsigned char *dst;
 418     block_t *p_block;
 419     z_stream d_stream;
 420
 421     d_stream.zalloc = (alloc_func)0;
 422     d_stream.zfree = (free_func)0;
 423     d_stream.opaque = (voidpf)0;
 424     result = inflateInit(&d_stream);
 425     if( result != Z_OK )
 426     {
 427         msg_Dbg( p_this, "inflateInit() failed. Result: %d", result );
 428         return NULL;
 429     }
 430
 431     d_stream.next_in = (Bytef *)p_in_block->p_buffer;
 432     d_stream.avail_in = p_in_block->i_buffer;
 433     n = 0;
 434     p_block = block_New( p_this, 0 );
 435     dst = NULL;
 436     do
 437     {
 438         n++;
 439         p_block = block_Realloc( p_block, 0, n * 1000 );
 440         dst = (unsigned char *)p_block->p_buffer;
 441         d_stream.next_out = (Bytef *)&dst[(n - 1) * 1000];
 442         d_stream.avail_out = 1000;
 443         result = inflate(&d_stream, Z_NO_FLUSH);
 444         if( ( result != Z_OK ) && ( result != Z_STREAM_END ) )
 445         {
 446             msg_Dbg( p_this, "Zlib decompression failed. Result: %d", result );
 447             return NULL;
 448         }
 449     }
 450     while( ( d_stream.avail_out == 0 ) && ( d_stream.avail_in != 0 ) &&
 451            ( result != Z_STREAM_END ) );
 452
 453     dstsize = d_stream.total_out;
 454     inflateEnd( &d_stream );
 455
 456     p_block = block_Realloc( p_block, 0, dstsize );
 457     p_block->i_buffer = dstsize;
 458     block_Release( p_in_block );
 459
 460     return p_block;
 461 }
 462 #endif
 463
 464 /**
 465  * Helper function to print the mkv parse tree
 466  */
 467 static void MkvTree( demux_t & demuxer, int i_level, char *psz_format, ... )
 468 {
 469     va_list args;
 470     if( i_level > 9 )
 471     {
 472         msg_Err( &demuxer, "too deep tree" );
 473         return;
 474     }
 475     va_start( args, psz_format );
 476     static char *psz_foo = "|   |   |   |   |   |   |   |   |   |";
 477     char *psz_foo2 = (char*)malloc( ( i_level * 4 + 3 + strlen( psz_format ) ) * sizeof(char) );
 478     strncpy( psz_foo2, psz_foo, 4 * i_level );
 479     psz_foo2[ 4 * i_level ] = '+';
 480     psz_foo2[ 4 * i_level + 1 ] = ' ';
 481     strcpy( &psz_foo2[ 4 * i_level + 2 ], psz_format );
 482     __msg_GenericVa( VLC_OBJECT(&demuxer), VLC_MSG_DBG, "mkv", psz_foo2, args );
 483     free( psz_foo2 );
 484     va_end( args );
 485 }
 486
 487 /*****************************************************************************
 488  * Stream managment
 489  *****************************************************************************/
 490 class vlc_stream_io_callback: public IOCallback
 491 {
 492   private:
 493     stream_t       *s;
 494     vlc_bool_t     mb_eof;
 495     vlc_bool_t     b_owner;
 496
 497   public:
 498     vlc_stream_io_callback( stream_t *, vlc_bool_t );
 499
 500     virtual ~vlc_stream_io_callback()
 501     {
 502         if( b_owner )
 503             stream_Delete( s );
 504     }
 505
 506     virtual uint32   read            ( void *p_buffer, size_t i_size);
 507     virtual void     setFilePointer  ( int64_t i_offset, seek_mode mode = seek_beginning );
 508     virtual size_t   write           ( const void *p_buffer, size_t i_size);
 509     virtual uint64   getFilePointer  ( void );
 510     virtual void     close           ( void );
 511 };
 512
 513 /*****************************************************************************
 514  * Ebml Stream parser
 515  *****************************************************************************/
 516 class EbmlParser
 517 {
 518   public:
 519     EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux );
 520     virtual ~EbmlParser( void );
 521
 522     void Up( void );
 523     void Down( void );
 524     void Reset( demux_t *p_demux );
 525     EbmlElement *Get( void );
 526     void        Keep( void );
 527     EbmlElement *UnGet( uint64 i_block_pos, uint64 i_cluster_pos );
 528
 529     int GetLevel( void );
 530
 531   private:
 532     EbmlStream  *m_es;
 533     int         mi_level;
 534     EbmlElement *m_el[10];
 535     int64_t      mi_remain_size[10];
 536
 537     EbmlElement *m_got;
 538
 539     int         mi_user_level;
 540     vlc_bool_t  mb_keep;
 541     vlc_bool_t  mb_dummy;
 542 };
 543
 544
 545 /*****************************************************************************
 546  * Some functions to manipulate memory
 547  *****************************************************************************/
 548 #define GetFOURCC( p )  __GetFOURCC( (uint8_t*)p )
 549 static vlc_fourcc_t __GetFOURCC( uint8_t *p )
 550 {
 551     return VLC_FOURCC( p[0], p[1], p[2], p[3] );
 552 }
 553
 554 /*****************************************************************************
 555  * definitions of structures and functions used by this plugins
 556  *****************************************************************************/
 557 typedef struct
 558 {
 559     vlc_bool_t   b_default;
 560     vlc_bool_t   b_enabled;
 561     unsigned int i_number;
 562
 563     int          i_extra_data;
 564     uint8_t      *p_extra_data;
 565
 566     char         *psz_codec;
 567
 568     uint64_t     i_default_duration;
 569     float        f_timecodescale;
 570
 571     /* video */
 572     es_format_t fmt;
 573     float       f_fps;
 574     es_out_id_t *p_es;
 575
 576     vlc_bool_t      b_inited;
 577     /* data to be send first */
 578     int             i_data_init;
 579     uint8_t         *p_data_init;
 580
 581     /* hack : it's for seek */
 582     vlc_bool_t      b_search_keyframe;
 583     vlc_bool_t      b_silent;
 584
 585     /* informative */
 586     char         *psz_codec_name;
 587     char         *psz_codec_settings;
 588     char         *psz_codec_info_url;
 589     char         *psz_codec_download_url;
 590
 591     /* encryption/compression */
 592     int           i_compression_type;
 593
 594 } mkv_track_t;
 595
 596 typedef struct
 597 {
 598     int     i_track;
 599     int     i_block_number;
 600
 601     int64_t i_position;
 602     int64_t i_time;
 603
 604     vlc_bool_t b_key;
 605 } mkv_index_t;
 606
 607 class demux_sys_t;
 608
 609 const binary MATROSKA_DVD_LEVEL_SS   = 0x30;
 610 const binary MATROSKA_DVD_LEVEL_LU   = 0x2A;
 611 const binary MATROSKA_DVD_LEVEL_TT   = 0x28;
 612 const binary MATROSKA_DVD_LEVEL_PGC  = 0x20;
 613 const binary MATROSKA_DVD_LEVEL_PG   = 0x18;
 614 const binary MATROSKA_DVD_LEVEL_PTT  = 0x10;
 615 const binary MATROSKA_DVD_LEVEL_CN   = 0x08;
 616
 617 class chapter_codec_cmds_c
 618 {
 619 public:
 620     chapter_codec_cmds_c( demux_sys_t & demuxer, int codec_id = -1)
 621     :p_private_data(NULL)
 622     ,i_codec_id( codec_id )
 623     ,sys( demuxer )
 624     {}
 625
 626     virtual ~chapter_codec_cmds_c()
 627     {
 628         delete p_private_data;
 629         std::vector<KaxChapterProcessData*>::iterator indexe = enter_cmds.begin();
 630         while ( indexe != enter_cmds.end() )
 631         {
 632             delete (*indexe);
 633             indexe++;
 634         }
 635         std::vector<KaxChapterProcessData*>::iterator indexl = leave_cmds.begin();
 636         while ( indexl != leave_cmds.end() )
 637         {
 638             delete (*indexl);
 639             indexl++;
 640         }
 641         std::vector<KaxChapterProcessData*>::iterator indexd = during_cmds.begin();
 642         while ( indexd != during_cmds.end() )
 643         {
 644             delete (*indexd);
 645             indexd++;
 646         }
 647     }
 648
 649     void SetPrivate( const KaxChapterProcessPrivate & private_data )
 650     {
 651         p_private_data = new KaxChapterProcessPrivate( private_data );
 652     }
 653
 654     void AddCommand( const KaxChapterProcessCommand & command );
 655
 656     /// \return wether the codec has seeked in the files or not
 657     virtual bool Enter() { return false; }
 658     virtual bool Leave() { return false; }
 659     virtual std::string GetCodecName( bool f_for_title = false ) const { return ""; }
 660     virtual int16 GetTitleNumber() { return -1; }
 661
 662     KaxChapterProcessPrivate *p_private_data;
 663
 664 protected:
 665     std::vector<KaxChapterProcessData*> enter_cmds;
 666     std::vector<KaxChapterProcessData*> during_cmds;
 667     std::vector<KaxChapterProcessData*> leave_cmds;
 668
 669     int i_codec_id;
 670     demux_sys_t & sys;
 671 };
 672
 673 class dvd_command_interpretor_c
 674 {
 675 public:
 676     dvd_command_interpretor_c( demux_sys_t & demuxer )
 677     :sys( demuxer )
 678     {
 679         memset( p_PRMs, 0, sizeof(p_PRMs) );
 680         p_PRMs[ 0x80 + 1 ] = 15;
 681         p_PRMs[ 0x80 + 2 ] = 62;
 682         p_PRMs[ 0x80 + 3 ] = 1;
 683         p_PRMs[ 0x80 + 4 ] = 1;
 684         p_PRMs[ 0x80 + 7 ] = 1;
 685         p_PRMs[ 0x80 + 8 ] = 1;
 686         p_PRMs[ 0x80 + 16 ] = 0xFFFFu;
 687         p_PRMs[ 0x80 + 18 ] = 0xFFFFu;
 688     }
 689
 690     bool Interpret( const binary * p_command, size_t i_size = 8 );
 691
 692     uint16 GetPRM( size_t index ) const
 693     {
 694         if ( index < 256 )
 695             return p_PRMs[ index ];
 696         else return 0;
 697     }
 698
 699     uint16 GetGPRM( size_t index ) const
 700     {
 701         if ( index >= 0 && index < 16 )
 702             return p_PRMs[ index ];
 703         else return 0;
 704     }
 705
 706     uint16 GetSPRM( size_t index ) const
 707     {
 708         // 21,22,23 reserved for future use
 709         if ( index >= 0x80 && index < 0x95 )
 710             return p_PRMs[ index ];
 711         else return 0;
 712     }
 713
 714     bool SetPRM( size_t index, uint16 value )
 715     {
 716         if ( index >= 0 && index < 16 )
 717         {
 718             p_PRMs[ index ] = value;
 719             return true;
 720         }
 721         return false;
 722     }
 723
 724     bool SetGPRM( size_t index, uint16 value )
 725     {
 726         if ( index >= 0 && index < 16 )
 727         {
 728             p_PRMs[ index ] = value;
 729             return true;
 730         }
 731         return false;
 732     }
 733
 734     bool SetSPRM( size_t index, uint16 value )
 735     {
 736         if ( index > 0x80 && index <= 0x8D && index != 0x8C )
 737         {
 738             p_PRMs[ index ] = value;
 739             return true;
 740         }
 741         return false;
 742     }
 743
 744 protected:
 745     std::string GetRegTypeName( bool b_value, uint16 value ) const
 746     {
 747         std::string result;
 748         char s_value[6], s_reg_value[6];
 749         sprintf( s_value, "%.5d", value );
 750
 751         if ( b_value )
 752         {
 753             result = "value (";
 754             result += s_value;
 755             result += ")";
 756         }
 757         else if ( value < 0x80 )
 758         {
 759             sprintf( s_reg_value, "%.5d", GetPRM( value ) );
 760             result = "GPreg[";
 761             result += s_value;
 762             result += "] (";
 763             result += s_reg_value;
 764             result += ")";
 765         }
 766         else
 767         {
 768             sprintf( s_reg_value, "%.5d", GetPRM( value ) );
 769             result = "SPreg[";
 770             result += s_value;
 771             result += "] (";
 772             result += s_reg_value;
 773             result += ")";
 774         }
 775         return result;
 776     }
 777
 778     uint16       p_PRMs[256];
 779     demux_sys_t  & sys;
 780
 781     // DVD command IDs
 782
 783     // Tests
 784     // wether it's a comparison on the value or register
 785     static const uint16 CMD_DVD_TEST_VALUE          = 0x80;
 786     static const uint16 CMD_DVD_IF_GPREG_AND        = (1 << 4);
 787     static const uint16 CMD_DVD_IF_GPREG_EQUAL      = (2 << 4);
 788     static const uint16 CMD_DVD_IF_GPREG_NOT_EQUAL  = (3 << 4);
 789     static const uint16 CMD_DVD_IF_GPREG_SUP_EQUAL  = (4 << 4);
 790     static const uint16 CMD_DVD_IF_GPREG_SUP        = (5 << 4);
 791     static const uint16 CMD_DVD_IF_GPREG_INF_EQUAL  = (6 << 4);
 792     static const uint16 CMD_DVD_IF_GPREG_INF        = (7 << 4);
 793
 794     static const uint16 CMD_DVD_NOP                    = 0x0000;
 795     static const uint16 CMD_DVD_GOTO_LINE              = 0x0001;
 796     static const uint16 CMD_DVD_BREAK                  = 0x0002;
 797     // Links
 798     static const uint16 CMD_DVD_NOP2                   = 0x2001;
 799     static const uint16 CMD_DVD_LINKPGCN               = 0x2004;
 800     static const uint16 CMD_DVD_LINKPGN                = 0x2006;
 801     static const uint16 CMD_DVD_LINKCN                 = 0x2007;
 802     static const uint16 CMD_DVD_JUMP_TT                = 0x3002;
 803     static const uint16 CMD_DVD_JUMPVTS_TT             = 0x3003;
 804     static const uint16 CMD_DVD_JUMPVTS_PTT            = 0x3005;
 805     static const uint16 CMD_DVD_JUMP_SS                = 0x3006;
 806     static const uint16 CMD_DVD_CALLSS_VTSM1           = 0x3008;
 807     //
 808     static const uint16 CMD_DVD_SET_HL_BTNN2           = 0x4600;
 809     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN1  = 0x4604;
 810     static const uint16 CMD_DVD_SET_STREAM             = 0x5100;
 811     static const uint16 CMD_DVD_SET_GPRMMD             = 0x5300;
 812     static const uint16 CMD_DVD_SET_HL_BTNN1           = 0x5600;
 813     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN2  = 0x5604;
 814     static const uint16 CMD_DVD_SET_HL_BTNN_LINKCN     = 0x5607;
 815     // Operations
 816     static const uint16 CMD_DVD_MOV_SPREG_PREG         = 0x6100;
 817     static const uint16 CMD_DVD_GPREG_MOV_VALUE        = 0x7100;
 818     static const uint16 CMD_DVD_SUB_GPREG              = 0x7400;
 819     static const uint16 CMD_DVD_MULT_GPREG             = 0x7500;
 820     static const uint16 CMD_DVD_GPREG_DIV_VALUE        = 0x7600;
 821     static const uint16 CMD_DVD_GPREG_AND_VALUE        = 0x7900;
 822
 823     // callbacks when browsing inside CodecPrivate
 824     static bool MatchIsDomain     ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 825     static bool MatchIsVMG        ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 826     static bool MatchVTSNumber    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 827     static bool MatchVTSMNumber   ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 828     static bool MatchTitleNumber  ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 829     static bool MatchPgcType      ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 830     static bool MatchPgcNumber    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 831     static bool MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 832     static bool MatchCellNumber   ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 833 };
 834
 835 class dvd_chapter_codec_c : public chapter_codec_cmds_c
 836 {
 837 public:
 838     dvd_chapter_codec_c( demux_sys_t & sys )
 839     :chapter_codec_cmds_c( sys, 1 )
 840     {}
 841
 842     bool Enter();
 843     bool Leave();
 844     std::string GetCodecName( bool f_for_title = false ) const;
 845     int16 GetTitleNumber();
 846 };
 847
 848 class matroska_script_interpretor_c
 849 {
 850 public:
 851     matroska_script_interpretor_c( demux_sys_t & demuxer )
 852     :sys( demuxer )
 853     {}
 854
 855     bool Interpret( const binary * p_command, size_t i_size );
 856
 857     // DVD command IDs
 858     static const std::string CMD_MS_GOTO_AND_PLAY;
 859
 860 protected:
 861     demux_sys_t  & sys;
 862 };
 863
 864 const std::string matroska_script_interpretor_c::CMD_MS_GOTO_AND_PLAY = "GotoAndPlay";
 865
 866
 867 class matroska_script_codec_c : public chapter_codec_cmds_c
 868 {
 869 public:
 870     matroska_script_codec_c( demux_sys_t & sys )
 871     :chapter_codec_cmds_c( sys, 0 )
 872     ,interpretor( sys )
 873     {}
 874
 875     bool Enter();
 876     bool Leave();
 877
 878 protected:
 879     matroska_script_interpretor_c interpretor;
 880 };
 881
 882 class chapter_translation_c
 883 {
 884 public:
 885     chapter_translation_c()
 886         :p_translated(NULL)
 887     {}
 888
 889     ~chapter_translation_c()
 890     {
 891         delete p_translated;
 892     }
 893
 894     KaxChapterTranslateID  *p_translated;
 895     unsigned int           codec_id;
 896     std::vector<uint64_t>  editions;
 897 };
 898
 899 class chapter_item_c
 900 {
 901 public:
 902     chapter_item_c()
 903     :i_start_time(0)
 904     ,i_end_time(-1)
 905     ,i_user_start_time(-1)
 906     ,i_user_end_time(-1)
 907     ,i_seekpoint_num(-1)
 908     ,b_display_seekpoint(true)
 909     ,b_user_display(false)
 910     ,psz_parent(NULL)
 911     ,b_is_leaving(false)
 912     {}
 913
 914     virtual ~chapter_item_c()
 915     {
 916         std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
 917         while ( index != codecs.end() )
 918         {
 919             delete (*index);
 920             index++;
 921         }
 922         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
 923         while ( index_ != sub_chapters.end() )
 924         {
 925             delete (*index_);
 926             index_++;
 927         }
 928     }
 929
 930     int64_t RefreshChapters( bool b_ordered, int64_t i_prev_user_time );
 931     int PublishChapters( input_title_t & title, int & i_user_chapters, int i_level = 0 );
 932     virtual chapter_item_c * FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current, bool & b_found );
 933     void Append( const chapter_item_c & edition );
 934     chapter_item_c * FindChapter( int64_t i_find_uid );
 935     virtual chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
 936                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
 937                                     const void *p_cookie,
 938                                     size_t i_cookie_size );
 939     std::string                 GetCodecName( bool f_for_title = false ) const;
 940     bool                        ParentOf( const chapter_item_c & item ) const;
 941     int16                       GetTitleNumber( ) const;
 942
 943     int64_t                     i_start_time, i_end_time;
 944     int64_t                     i_user_start_time, i_user_end_time; /* the time in the stream when an edition is ordered */
 945     std::vector<chapter_item_c*> sub_chapters;
 946     int                         i_seekpoint_num;
 947     int64_t                     i_uid;
 948     bool                        b_display_seekpoint;
 949     bool                        b_user_display;
 950     std::string                 psz_name;
 951     chapter_item_c              *psz_parent;
 952     bool                        b_is_leaving;
 953
 954     std::vector<chapter_codec_cmds_c*> codecs;
 955
 956     bool operator<( const chapter_item_c & item ) const
 957     {
 958         return ( i_user_start_time < item.i_user_start_time || (i_user_start_time == item.i_user_start_time && i_user_end_time < item.i_user_end_time) );
 959     }
 960
 961     bool Enter( bool b_do_subchapters );
 962     bool Leave( bool b_do_subchapters );
 963     bool EnterAndLeave( chapter_item_c *p_item, bool b_enter = true );
 964 };
 965
 966 class chapter_edition_c : public chapter_item_c
 967 {
 968 public:
 969     chapter_edition_c()
 970     :b_ordered(false)
 971     {}
 972
 973     void RefreshChapters( );
 974     mtime_t Duration() const;
 975     std::string GetMainName() const;
 976     chapter_item_c * FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current );
 977
 978     bool                        b_ordered;
 979 };
 980
 981 class matroska_segment_c
 982 {
 983 public:
 984     matroska_segment_c( demux_sys_t & demuxer, EbmlStream & estream )
 985         :segment(NULL)
 986         ,es(estream)
 987         ,i_timescale(MKVD_TIMECODESCALE)
 988         ,i_duration(-1)
 989         ,i_start_time(0)
 990         ,i_cues_position(-1)
 991         ,i_chapters_position(-1)
 992         ,i_tags_position(-1)
 993         ,cluster(NULL)
 994         ,i_block_pos(0)
 995         ,i_cluster_pos(0)
 996         ,i_start_pos(0)
 997         ,p_segment_uid(NULL)
 998         ,p_prev_segment_uid(NULL)
 999         ,p_next_segment_uid(NULL)
1000         ,b_cues(VLC_FALSE)
1001         ,i_index(0)
1002         ,i_index_max(1024)
1003         ,psz_muxing_application(NULL)
1004         ,psz_writing_application(NULL)
1005         ,psz_segment_filename(NULL)
1006         ,psz_title(NULL)
1007         ,psz_date_utc(NULL)
1008         ,i_default_edition(0)
1009         ,sys(demuxer)
1010         ,ep(NULL)
1011         ,b_preloaded(false)
1012     {
1013         p_indexes = (mkv_index_t*)malloc( sizeof( mkv_index_t ) * i_index_max );
1014     }
1015
1016     virtual ~matroska_segment_c()
1017     {
1018         for( size_t i_track = 0; i_track < tracks.size(); i_track++ )
1019         {
1020             if( tracks[i_track]->fmt.psz_description )
1021             {
1022                 free( tracks[i_track]->fmt.psz_description );
1023             }
1024 /*            if( tracks[i_track]->psz_codec )
1025             {
1026                 free( tracks[i_track]->psz_codec );
1027             }
1028             if( tracks[i_track]->fmt.psz_language )
1029             {
1030                 free( tracks[i_track]->fmt.psz_language );
1031             }*/
1032             delete tracks[i_track];
1033         }
1034
1035         if( psz_writing_application )
1036         {
1037             free( psz_writing_application );
1038         }
1039         if( psz_muxing_application )
1040         {
1041             free( psz_muxing_application );
1042         }
1043         if( psz_segment_filename )
1044         {
1045             free( psz_segment_filename );
1046         }
1047         if( psz_title )
1048         {
1049             free( psz_title );
1050         }
1051         if( psz_date_utc )
1052         {
1053             free( psz_date_utc );
1054         }
1055         if ( p_indexes )
1056             free( p_indexes );
1057
1058         delete ep;
1059         delete p_segment_uid;
1060         delete p_prev_segment_uid;
1061         delete p_next_segment_uid;
1062
1063         std::vector<chapter_edition_c*>::iterator index = stored_editions.begin();
1064         while ( index != stored_editions.end() )
1065         {
1066             delete (*index);
1067             index++;
1068         }
1069         std::vector<chapter_translation_c*>::iterator indext = translations.begin();
1070         while ( indext != translations.end() )
1071         {
1072             delete (*indext);
1073             indext++;
1074         }
1075     }
1076
1077     KaxSegment              *segment;
1078     EbmlStream              & es;
1079
1080     /* time scale */
1081     uint64_t                i_timescale;
1082
1083     /* duration of the segment */
1084     mtime_t                 i_duration;
1085     mtime_t                 i_start_time;
1086
1087     /* all tracks */
1088     std::vector<mkv_track_t*> tracks;
1089
1090     /* from seekhead */
1091     int64_t                 i_cues_position;
1092     int64_t                 i_chapters_position;
1093     int64_t                 i_tags_position;
1094
1095     KaxCluster              *cluster;
1096     uint64                  i_block_pos;
1097     uint64                  i_cluster_pos;
1098     int64_t                 i_start_pos;
1099     KaxSegmentUID           *p_segment_uid;
1100     KaxPrevUID              *p_prev_segment_uid;
1101     KaxNextUID              *p_next_segment_uid;
1102
1103     vlc_bool_t              b_cues;
1104     int                     i_index;
1105     int                     i_index_max;
1106     mkv_index_t             *p_indexes;
1107
1108     /* info */
1109     char                    *psz_muxing_application;
1110     char                    *psz_writing_application;
1111     char                    *psz_segment_filename;
1112     char                    *psz_title;
1113     char                    *psz_date_utc;
1114
1115     /* !!!!! GCC 3.3 bug on Darwin !!!!! */
1116     /* when you remove this variable the compiler issues an atomicity error */
1117     /* this variable only works when using std::vector<chapter_edition_c> */
1118     std::vector<chapter_edition_c*> stored_editions;
1119     int                             i_default_edition;
1120
1121     std::vector<chapter_translation_c*> translations;
1122     std::vector<KaxSegmentFamily>  families;
1123
1124     demux_sys_t                    & sys;
1125     EbmlParser                     *ep;
1126     bool                           b_preloaded;
1127
1128     bool Preload( );
1129     bool PreloadFamily( const matroska_segment_c & segment );
1130     void ParseInfo( KaxInfo *info );
1131     void ParseChapters( KaxChapters *chapters );
1132     void ParseSeekHead( KaxSeekHead *seekhead );
1133     void ParseTracks( KaxTracks *tracks );
1134     void ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters );
1135     void ParseTrackEntry( KaxTrackEntry *m );
1136     void ParseCluster( );
1137     void IndexAppendCluster( KaxCluster *cluster );
1138     void LoadCues( );
1139     void LoadTags( );
1140     void InformationCreate( );
1141     void Seek( mtime_t i_date, mtime_t i_time_offset );
1142     int BlockGet( KaxBlock * & pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration );
1143     bool Select( mtime_t i_start_time );
1144     void UnSelect( );
1145
1146     static bool CompareSegmentUIDs( const matroska_segment_c * item_a, const matroska_segment_c * item_b );
1147 };
1148
1149 // class holding hard-linked segment together in the playback order
1150 class virtual_segment_c
1151 {
1152 public:
1153     virtual_segment_c( matroska_segment_c *p_segment )
1154         :p_editions(NULL)
1155         ,i_sys_title(0)
1156         ,i_current_segment(0)
1157         ,i_current_edition(-1)
1158         ,psz_current_chapter(NULL)
1159     {
1160         linked_segments.push_back( p_segment );
1161
1162         AppendUID( p_segment->p_segment_uid );
1163         AppendUID( p_segment->p_prev_segment_uid );
1164         AppendUID( p_segment->p_next_segment_uid );
1165     }
1166
1167     void Sort();
1168     size_t AddSegment( matroska_segment_c *p_segment );
1169     void PreloadLinked( );
1170     mtime_t Duration( ) const;
1171     void LoadCues( );
1172     void Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter );
1173
1174     inline chapter_edition_c *Edition()
1175     {
1176         if ( i_current_edition >= 0 && size_t(i_current_edition) < p_editions->size() )
1177             return (*p_editions)[i_current_edition];
1178         return NULL;
1179     }
1180
1181     matroska_segment_c * Segment() const
1182     {
1183         if ( linked_segments.size() == 0 || i_current_segment >= linked_segments.size() )
1184             return NULL;
1185         return linked_segments[i_current_segment];
1186     }
1187
1188     inline chapter_item_c *CurrentChapter() {
1189         return psz_current_chapter;
1190     }
1191
1192     bool SelectNext()
1193     {
1194         if ( i_current_segment < linked_segments.size()-1 )
1195         {
1196             i_current_segment++;
1197             return true;
1198         }
1199         return false;
1200     }
1201
1202     bool FindUID( KaxSegmentUID & uid ) const
1203     {
1204         for ( size_t i=0; i<linked_uids.size(); i++ )
1205         {
1206             if ( linked_uids[i] == uid )
1207                 return true;
1208         }
1209         return false;
1210     }
1211
1212     bool UpdateCurrentToChapter( demux_t & demux );
1213     void PrepareChapters( );
1214
1215     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
1216                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
1217                                         const void *p_cookie,
1218                                         size_t i_cookie_size );
1219     chapter_item_c *FindChapter( int64_t i_find_uid );
1220
1221     std::vector<chapter_edition_c*>  *p_editions;
1222     int                              i_sys_title;
1223
1224 protected:
1225     std::vector<matroska_segment_c*> linked_segments;
1226     std::vector<KaxSegmentUID>       linked_uids;
1227     size_t                           i_current_segment;
1228
1229     int                              i_current_edition;
1230     chapter_item_c                   *psz_current_chapter;
1231
1232     void                             AppendUID( const EbmlBinary * UID );
1233 };
1234
1235 class matroska_stream_c
1236 {
1237 public:
1238     matroska_stream_c( demux_sys_t & demuxer )
1239         :p_in(NULL)
1240         ,p_es(NULL)
1241         ,sys(demuxer)
1242     {}
1243
1244     virtual ~matroska_stream_c()
1245     {
1246         delete p_in;
1247         delete p_es;
1248     }
1249
1250     IOCallback         *p_in;
1251     EbmlStream         *p_es;
1252
1253     std::vector<matroska_segment_c*> segments;
1254
1255     demux_sys_t                      & sys;
1256 };
1257
1258 typedef struct
1259 {
1260     VLC_COMMON_MEMBERS
1261
1262     demux_t        *p_demux;
1263     vlc_mutex_t     lock;
1264
1265     vlc_bool_t      b_moved;
1266     vlc_bool_t      b_clicked;
1267     vlc_bool_t      b_key;
1268
1269 } event_thread_t;
1270
1271 class demux_sys_t
1272 {
1273 public:
1274     demux_sys_t( demux_t & demux )
1275         :demuxer(demux)
1276         ,i_pts(0)
1277         ,i_start_pts(0)
1278         ,i_chapter_time(0)
1279         ,meta(NULL)
1280         ,i_current_title(0)
1281         ,p_current_segment(NULL)
1282         ,dvd_interpretor( *this )
1283         ,f_duration(-1.0)
1284         ,b_ui_hooked(false)
1285         ,p_input(NULL)
1286         ,b_pci_packet_set(false)
1287         ,p_ev(NULL)
1288     {
1289         vlc_mutex_init( &demuxer, &lock_demuxer );
1290     }
1291
1292     virtual ~demux_sys_t()
1293     {
1294         StopUiThread();
1295         size_t i;
1296         for ( i=0; i<streams.size(); i++ )
1297             delete streams[i];
1298         for ( i=0; i<opened_segments.size(); i++ )
1299             delete opened_segments[i];
1300         for ( i=0; i<used_segments.size(); i++ )
1301             delete used_segments[i];
1302         vlc_mutex_destroy( &lock_demuxer );
1303     }
1304
1305     /* current data */
1306     demux_t                 & demuxer;
1307
1308     mtime_t                 i_pts;
1309     mtime_t                 i_start_pts;
1310     mtime_t                 i_chapter_time;
1311
1312     vlc_meta_t              *meta;
1313
1314     std::vector<input_title_t*>      titles; // matroska editions
1315     size_t                           i_current_title;
1316
1317     std::vector<matroska_stream_c*>  streams;
1318     std::vector<matroska_segment_c*> opened_segments;
1319     std::vector<virtual_segment_c*>  used_segments;
1320     virtual_segment_c                *p_current_segment;
1321
1322     dvd_command_interpretor_c        dvd_interpretor;
1323
1324     /* duration of the stream */
1325     float                   f_duration;
1326
1327     matroska_segment_c *FindSegment( const EbmlBinary & uid ) const;
1328     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
1329                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
1330                                         const void *p_cookie,
1331                                         size_t i_cookie_size,
1332                                         virtual_segment_c * & p_segment_found );
1333     chapter_item_c *FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found );
1334
1335     void PreloadFamily( const matroska_segment_c & of_segment );
1336     void PreloadLinked( matroska_segment_c *p_segment );
1337     bool PreparePlayback( virtual_segment_c *p_new_segment );
1338     matroska_stream_c *AnalyseAllSegmentsFound( EbmlStream *p_estream );
1339     void JumpTo( virtual_segment_c & p_segment, chapter_item_c * p_chapter );
1340
1341     void StartUiThread();
1342     void StopUiThread();
1343     bool b_ui_hooked;
1344     inline void SwapButtons();
1345
1346     /* for spu variables */
1347     input_thread_t *p_input;
1348     pci_t          pci_packet;
1349     bool           b_pci_packet_set;
1350     uint8_t        alpha[4];
1351     vlc_mutex_t    lock_demuxer;
1352
1353     /* event */
1354     event_thread_t *p_ev;
1355     static int EventThread( vlc_object_t *p_this );
1356     static int EventMouse( vlc_object_t *p_this, char const *psz_var,
1357                        vlc_value_t oldval, vlc_value_t newval, void *p_data );
1358     static int EventKey( vlc_object_t *p_this, char const *psz_var,
1359                      vlc_value_t oldval, vlc_value_t newval, void *p_data );
1360
1361
1362
1363 protected:
1364     virtual_segment_c *VirtualFromSegments( matroska_segment_c *p_segment ) const;
1365     bool IsUsedSegment( matroska_segment_c &p_segment ) const;
1366 };
1367
1368 static int  Demux  ( demux_t * );
1369 static int  Control( demux_t *, int, va_list );
1370 static void Seek   ( demux_t *, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter );
1371
1372 #define MKV_IS_ID( el, C ) ( EbmlId( (*el) ) == C::ClassInfos.GlobalId )
1373
1374 static char *UTF8ToStr          ( const UTFstring &u );
1375
1376 /*****************************************************************************
1377  * Open: initializes matroska demux structures
1378  *****************************************************************************/
1379 static int Open( vlc_object_t * p_this )
1380 {
1381     demux_t            *p_demux = (demux_t*)p_this;
1382     demux_sys_t        *p_sys;
1383     matroska_stream_c  *p_stream;
1384     matroska_segment_c *p_segment;
1385     uint8_t            *p_peek;
1386     std::string        s_path, s_filename;
1387     vlc_stream_io_callback *p_io_callback;
1388     EbmlStream         *p_io_stream;
1389
1390     /* peek the begining */
1391     if( stream_Peek( p_demux->s, &p_peek, 4 ) < 4 ) return VLC_EGENERIC;
1392
1393     /* is a valid file */
1394     if( p_peek[0] != 0x1a || p_peek[1] != 0x45 ||
1395         p_peek[2] != 0xdf || p_peek[3] != 0xa3 ) return VLC_EGENERIC;
1396
1397     /* Set the demux function */
1398     p_demux->pf_demux   = Demux;
1399     p_demux->pf_control = Control;
1400     p_demux->p_sys      = p_sys = new demux_sys_t( *p_demux );
1401
1402     p_io_callback = new vlc_stream_io_callback( p_demux->s, VLC_FALSE );
1403     p_io_stream = new EbmlStream( *p_io_callback );
1404
1405     if( p_io_stream == NULL )
1406     {
1407         msg_Err( p_demux, "failed to create EbmlStream" );
1408         delete p_io_callback;
1409         delete p_sys;
1410         return VLC_EGENERIC;
1411     }
1412
1413     p_stream = p_sys->AnalyseAllSegmentsFound( p_io_stream );
1414     if( p_stream == NULL )
1415     {
1416         msg_Err( p_demux, "cannot find KaxSegment" );
1417         goto error;
1418     }
1419     p_sys->streams.push_back( p_stream );
1420
1421     p_stream->p_in = p_io_callback;
1422     p_stream->p_es = p_io_stream;
1423
1424     for (size_t i=0; i<p_stream->segments.size(); i++)
1425     {
1426         p_stream->segments[i]->Preload();
1427     }
1428
1429     p_segment = p_stream->segments[0];
1430     if( p_segment->cluster != NULL )
1431     {
1432         msg_Warn( p_demux, "cannot find any cluster, damaged file ?" );
1433
1434         // reset the stream reading to the first cluster of the segment used
1435         p_stream->p_in->setFilePointer( p_segment->cluster->GetElementPosition() );
1436     }
1437
1438     /* get the files from the same dir from the same family (based on p_demux->psz_path) */
1439     if (p_demux->psz_path[0] != '\0' && !strcmp(p_demux->psz_access, ""))
1440     {
1441         // assume it's a regular file
1442         // get the directory path
1443         s_path = p_demux->psz_path;
1444         if (s_path.at(s_path.length() - 1) == DIRECTORY_SEPARATOR)
1445         {
1446             s_path = s_path.substr(0,s_path.length()-1);
1447         }
1448         else
1449         {
1450             if (s_path.find_last_of(DIRECTORY_SEPARATOR) > 0)
1451             {
1452                 s_path = s_path.substr(0,s_path.find_last_of(DIRECTORY_SEPARATOR));
1453             }
1454         }
1455
1456         struct dirent *p_file_item;
1457         DIR *p_src_dir = opendir(s_path.c_str());
1458
1459         if (p_src_dir != NULL)
1460         {
1461             while ((p_file_item = (dirent *) readdir(p_src_dir)))
1462             {
1463                 if (strlen(p_file_item->d_name) > 4)
1464                 {
1465                     s_filename = s_path + DIRECTORY_SEPARATOR + p_file_item->d_name;
1466
1467                     if (!s_filename.compare(p_demux->psz_path))
1468                         continue; // don't reuse the original opened file
1469
1470 #if defined(__GNUC__) && (__GNUC__ < 3)
1471                     if (!s_filename.compare("mkv", s_filename.length() - 3, 3) ||
1472                         !s_filename.compare("mka", s_filename.length() - 3, 3))
1473 #else
1474                     if (!s_filename.compare(s_filename.length() - 3, 3, "mkv") ||
1475                         !s_filename.compare(s_filename.length() - 3, 3, "mka"))
1476 #endif
1477                     {
1478                         // test wether this file belongs to our family
1479                         vlc_stream_io_callback *p_file_io = new vlc_stream_io_callback( stream_UrlNew( p_demux, s_filename.c_str()), VLC_TRUE );
1480                         EbmlStream *p_estream = new EbmlStream(*p_file_io);
1481
1482                         p_stream = p_sys->AnalyseAllSegmentsFound( p_estream );
1483                         if ( p_stream == NULL )
1484                         {
1485                             msg_Dbg( p_demux, "the file '%s' will not be used", s_filename.c_str() );
1486                             delete p_estream;
1487                             delete p_file_io;
1488                         }
1489                         else
1490                         {
1491                             p_stream->p_in = p_file_io;
1492                             p_stream->p_es = p_estream;
1493                             p_sys->streams.push_back( p_stream );
1494                         }
1495                     }
1496                 }
1497             }
1498             closedir( p_src_dir );
1499         }
1500     }
1501
1502     p_sys->PreloadFamily( *p_segment );
1503     p_sys->PreloadLinked( p_segment );
1504     if ( !p_sys->PreparePlayback( NULL ) )
1505     {
1506         msg_Err( p_demux, "cannot use the segment" );
1507         goto error;
1508     }
1509
1510     p_sys->StartUiThread();
1511
1512     return VLC_SUCCESS;
1513
1514 error:
1515     delete p_sys;
1516     return VLC_EGENERIC;
1517 }
1518
1519 /*****************************************************************************
1520  * Close: frees unused data
1521  *****************************************************************************/
1522 static void Close( vlc_object_t *p_this )
1523 {
1524     demux_t     *p_demux = (demux_t*)p_this;
1525     demux_sys_t *p_sys   = p_demux->p_sys;
1526
1527     delete p_sys;
1528 }
1529
1530 /*****************************************************************************
1531  * Control:
1532  *****************************************************************************/
1533 static int Control( demux_t *p_demux, int i_query, va_list args )
1534 {
1535     demux_sys_t        *p_sys = p_demux->p_sys;
1536     int64_t     *pi64;
1537     double      *pf, f;
1538     int         i_skp;
1539     size_t      i_idx;
1540
1541     vlc_meta_t **pp_meta;
1542
1543     switch( i_query )
1544     {
1545         case DEMUX_GET_META:
1546             pp_meta = (vlc_meta_t**)va_arg( args, vlc_meta_t** );
1547             *pp_meta = vlc_meta_Duplicate( p_sys->meta );
1548             return VLC_SUCCESS;
1549
1550         case DEMUX_GET_LENGTH:
1551             pi64 = (int64_t*)va_arg( args, int64_t * );
1552             if( p_sys->f_duration > 0.0 )
1553             {
1554                 *pi64 = (int64_t)(p_sys->f_duration * 1000);
1555                 return VLC_SUCCESS;
1556             }
1557             return VLC_EGENERIC;
1558
1559         case DEMUX_GET_POSITION:
1560             pf = (double*)va_arg( args, double * );
1561             if ( p_sys->f_duration > 0.0 )
1562                 *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);
1563             return VLC_SUCCESS;
1564
1565         case DEMUX_SET_POSITION:
1566             f = (double)va_arg( args, double );
1567             Seek( p_demux, -1, f, NULL );
1568             return VLC_SUCCESS;
1569
1570         case DEMUX_GET_TIME:
1571             pi64 = (int64_t*)va_arg( args, int64_t * );
1572             *pi64 = p_sys->i_pts;
1573             return VLC_SUCCESS;
1574
1575         case DEMUX_GET_TITLE_INFO:
1576             if( p_sys->titles.size() )
1577             {
1578                 input_title_t ***ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
1579                 int *pi_int    = (int*)va_arg( args, int* );
1580
1581                 *pi_int = p_sys->titles.size();
1582                 *ppp_title = (input_title_t**)malloc( sizeof( input_title_t**) * p_sys->titles.size() );
1583
1584                 for( size_t i = 0; i < p_sys->titles.size(); i++ )
1585                 {
1586                     (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->titles[i] );
1587                 }
1588
1589                 return VLC_SUCCESS;
1590             }
1591             return VLC_EGENERIC;
1592
1593         case DEMUX_SET_TITLE:
1594             /* TODO handle editions as titles */
1595             i_idx = (int)va_arg( args, int );
1596             if( i_idx < p_sys->used_segments.size() )
1597             {
1598                 p_sys->JumpTo( *p_sys->used_segments[i_idx], NULL );
1599                 return VLC_SUCCESS;
1600             }
1601             return VLC_EGENERIC;
1602
1603         case DEMUX_SET_SEEKPOINT:
1604             i_skp = (int)va_arg( args, int );
1605
1606             // TODO change the way it works with the << & >> buttons on the UI (+1/-1 instead of a number)
1607             if( p_sys->titles.size() && i_skp < p_sys->titles[p_sys->i_current_title]->i_seekpoint)
1608             {
1609                 Seek( p_demux, (int64_t)p_sys->titles[p_sys->i_current_title]->seekpoint[i_skp]->i_time_offset, -1, NULL);
1610                 p_demux->info.i_seekpoint |= INPUT_UPDATE_SEEKPOINT;
1611                 p_demux->info.i_seekpoint = i_skp;
1612                 return VLC_SUCCESS;
1613             }
1614             return VLC_EGENERIC;
1615
1616         case DEMUX_SET_TIME:
1617         case DEMUX_GET_FPS:
1618         default:
1619             return VLC_EGENERIC;
1620     }
1621 }
1622
1623 int matroska_segment_c::BlockGet( KaxBlock * & pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration )
1624 {
1625     pp_block = NULL;
1626     *pi_ref1  = -1;
1627     *pi_ref2  = -1;
1628
1629     for( ;; )
1630     {
1631         EbmlElement *el;
1632         int         i_level;
1633
1634         if ( ep == NULL )
1635             return VLC_EGENERIC;
1636
1637         el = ep->Get();
1638         i_level = ep->GetLevel();
1639
1640         if( el == NULL && pp_block != NULL )
1641         {
1642             /* update the index */
1643 #define idx p_indexes[i_index - 1]
1644             if( i_index > 0 && idx.i_time == -1 )
1645             {
1646                 idx.i_time        = (*pp_block).GlobalTimecode() / (mtime_t)1000;
1647                 idx.b_key         = *pi_ref1 == -1 ? VLC_TRUE : VLC_FALSE;
1648             }
1649 #undef idx
1650             return VLC_SUCCESS;
1651         }
1652
1653         if( el == NULL )
1654         {
1655             if( ep->GetLevel() > 1 )
1656             {
1657                 ep->Up();
1658                 continue;
1659             }
1660             msg_Warn( &sys.demuxer, "EOF" );
1661             return VLC_EGENERIC;
1662         }
1663
1664         /* do parsing */
1665         switch ( i_level )
1666         {
1667         case 1:
1668             if( MKV_IS_ID( el, KaxCluster ) )
1669             {
1670                 cluster = (KaxCluster*)el;
1671                 i_cluster_pos = cluster->GetElementPosition();
1672
1673                 /* add it to the index */
1674                 if( i_index == 0 ||
1675                     ( i_index > 0 && p_indexes[i_index - 1].i_position < (int64_t)cluster->GetElementPosition() ) )
1676                 {
1677                     IndexAppendCluster( cluster );
1678                 }
1679
1680                 // reset silent tracks
1681                 for (size_t i=0; i<tracks.size(); i++)
1682                 {
1683                     tracks[i]->b_silent = VLC_FALSE;
1684                 }
1685
1686                 ep->Down();
1687             }
1688             else if( MKV_IS_ID( el, KaxCues ) )
1689             {
1690                 msg_Warn( &sys.demuxer, "find KaxCues FIXME" );
1691                 return VLC_EGENERIC;
1692             }
1693             else
1694             {
1695                 msg_Dbg( &sys.demuxer, "unknown (%s)", typeid( el ).name() );
1696             }
1697             break;
1698         case 2:
1699             if( MKV_IS_ID( el, KaxClusterTimecode ) )
1700             {
1701                 KaxClusterTimecode &ctc = *(KaxClusterTimecode*)el;
1702
1703                 ctc.ReadData( es.I_O(), SCOPE_ALL_DATA );
1704                 cluster->InitTimecode( uint64( ctc ), i_timescale );
1705             }
1706             else if( MKV_IS_ID( el, KaxClusterSilentTracks ) )
1707             {
1708                 ep->Down();
1709             }
1710             else if( MKV_IS_ID( el, KaxBlockGroup ) )
1711             {
1712                 i_block_pos = el->GetElementPosition();
1713                 ep->Down();
1714             }
1715             break;
1716         case 3:
1717             if( MKV_IS_ID( el, KaxBlock ) )
1718             {
1719                 pp_block = (KaxBlock*)el;
1720
1721                 pp_block->ReadData( es.I_O() );
1722                 pp_block->SetParent( *cluster );
1723
1724                 ep->Keep();
1725             }
1726             else if( MKV_IS_ID( el, KaxBlockDuration ) )
1727             {
1728                 KaxBlockDuration &dur = *(KaxBlockDuration*)el;
1729
1730                 dur.ReadData( es.I_O() );
1731                 *pi_duration = uint64( dur );
1732             }
1733             else if( MKV_IS_ID( el, KaxReferenceBlock ) )
1734             {
1735                 KaxReferenceBlock &ref = *(KaxReferenceBlock*)el;
1736
1737                 ref.ReadData( es.I_O() );
1738                 if( *pi_ref1 == -1 )
1739                 {
1740                     *pi_ref1 = int64( ref );
1741                 }
1742                 else
1743                 {
1744                     *pi_ref2 = int64( ref );
1745                 }
1746             }
1747             else if( MKV_IS_ID( el, KaxClusterSilentTrackNumber ) )
1748             {
1749                 KaxClusterSilentTrackNumber &track_num = *(KaxClusterSilentTrackNumber*)el;
1750                 track_num.ReadData( es.I_O() );
1751                 // find the track
1752                 for (size_t i=0; i<tracks.size(); i++)
1753                 {
1754                     if ( tracks[i]->i_number == uint32(track_num))
1755                     {
1756                         tracks[i]->b_silent = VLC_TRUE;
1757                         break;
1758                     }
1759                 }
1760             }
1761             break;
1762         default:
1763             msg_Err( &sys.demuxer, "invalid level = %d", i_level );
1764             return VLC_EGENERIC;
1765         }
1766     }
1767 }
1768
1769 static block_t *MemToBlock( demux_t *p_demux, uint8_t *p_mem, int i_mem)
1770 {
1771     block_t *p_block;
1772     if( !(p_block = block_New( p_demux, i_mem ) ) ) return NULL;
1773     memcpy( p_block->p_buffer, p_mem, i_mem );
1774     //p_block->i_rate = p_input->stream.control.i_rate;
1775     return p_block;
1776 }
1777
1778 static void BlockDecode( demux_t *p_demux, KaxBlock *block, mtime_t i_pts,
1779                          mtime_t i_duration )
1780 {
1781     demux_sys_t        *p_sys = p_demux->p_sys;
1782     matroska_segment_c *p_segment = p_sys->p_current_segment->Segment();
1783
1784     size_t          i_track;
1785     unsigned int    i;
1786     vlc_bool_t      b;
1787
1788 #define tk  p_segment->tracks[i_track]
1789     for( i_track = 0; i_track < p_segment->tracks.size(); i_track++ )
1790     {
1791         if( tk->i_number == block->TrackNum() )
1792         {
1793             break;
1794         }
1795     }
1796
1797     if( i_track >= p_segment->tracks.size() )
1798     {
1799         msg_Err( p_demux, "invalid track number=%d", block->TrackNum() );
1800         return;
1801     }
1802     if( tk->fmt.i_cat != NAV_ES && tk->p_es == NULL )
1803     {
1804         msg_Err( p_demux, "unknown track number=%d", block->TrackNum() );
1805         return;
1806     }
1807     if( i_pts < p_sys->i_start_pts && tk->fmt.i_cat == AUDIO_ES )
1808     {
1809         return; /* discard audio packets that shouldn't be rendered */
1810     }
1811
1812     if ( tk->fmt.i_cat != NAV_ES )
1813     {
1814         es_out_Control( p_demux->out, ES_OUT_GET_ES_STATE, tk->p_es, &b );
1815
1816         if( !b )
1817         {
1818             tk->b_inited = VLC_FALSE;
1819             return;
1820         }
1821     }
1822
1823
1824     /* First send init data */
1825     if( !tk->b_inited && tk->i_data_init > 0 )
1826     {
1827         block_t *p_init;
1828
1829         msg_Dbg( p_demux, "sending header (%d bytes)", tk->i_data_init );
1830         p_init = MemToBlock( p_demux, tk->p_data_init, tk->i_data_init );
1831         if( p_init ) es_out_Send( p_demux->out, tk->p_es, p_init );
1832     }
1833     tk->b_inited = VLC_TRUE;
1834
1835
1836     for( i = 0; i < block->NumberFrames(); i++ )
1837     {
1838         block_t *p_block;
1839         DataBuffer &data = block->GetBuffer(i);
1840
1841         p_block = MemToBlock( p_demux, data.Buffer(), data.Size() );
1842
1843         if( p_block == NULL )
1844         {
1845             break;
1846         }
1847
1848 #if defined(HAVE_ZLIB_H)
1849         if( tk->i_compression_type )
1850         {
1851             p_block = block_zlib_decompress( VLC_OBJECT(p_demux), p_block );
1852         }
1853 #endif
1854
1855         if ( tk->fmt.i_cat == NAV_ES )
1856         {
1857             // TODO handle the start/stop times of this packet
1858             if ( p_sys->b_ui_hooked )
1859             {
1860                 vlc_mutex_lock( &p_sys->p_ev->lock );
1861                 memcpy( &p_sys->pci_packet, &p_block->p_buffer[1], sizeof(pci_t) );
1862                 p_sys->SwapButtons();
1863                 p_sys->b_pci_packet_set = true;
1864                 vlc_mutex_unlock( &p_sys->p_ev->lock );
1865                 block_Release( p_block );
1866             }
1867             return;
1868         }
1869         // TODO implement correct timestamping when B frames are used
1870         if( tk->fmt.i_cat != VIDEO_ES )
1871         {
1872             p_block->i_dts = p_block->i_pts = i_pts;
1873         }
1874         else
1875         {
1876             p_block->i_dts = i_pts;
1877             p_block->i_pts = 0;
1878         }
1879
1880         if( strcmp( tk->psz_codec, "S_VOBSUB" ) )
1881         {
1882             p_block->i_length = i_duration * 1000;
1883         }
1884
1885         es_out_Send( p_demux->out, tk->p_es, p_block );
1886
1887         /* use time stamp only for first block */
1888         i_pts = 0;
1889     }
1890
1891 #undef tk
1892 }
1893
1894 matroska_stream_c *demux_sys_t::AnalyseAllSegmentsFound( EbmlStream *p_estream )
1895 {
1896     int i_upper_lvl = 0;
1897     size_t i;
1898     EbmlElement *p_l0, *p_l1, *p_l2;
1899     bool b_keep_stream = false, b_keep_segment;
1900
1901     // verify the EBML Header
1902     p_l0 = p_estream->FindNextID(EbmlHead::ClassInfos, 0xFFFFFFFFL);
1903     if (p_l0 == NULL)
1904     {
1905         return NULL;
1906     }
1907     p_l0->SkipData(*p_estream, EbmlHead_Context);
1908     delete p_l0;
1909
1910     // find all segments in this file
1911     p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFFLL);
1912     if (p_l0 == NULL)
1913     {
1914         return NULL;
1915     }
1916
1917     matroska_stream_c *p_stream1 = new matroska_stream_c( *this );
1918
1919     while (p_l0 != 0)
1920     {
1921         if (EbmlId(*p_l0) == KaxSegment::ClassInfos.GlobalId)
1922         {
1923             EbmlParser  *ep;
1924             matroska_segment_c *p_segment1 = new matroska_segment_c( *this, *p_estream );
1925             b_keep_segment = false;
1926
1927             ep = new EbmlParser(p_estream, p_l0, &demuxer );
1928             p_segment1->ep = ep;
1929             p_segment1->segment = (KaxSegment*)p_l0;
1930
1931             while ((p_l1 = ep->Get()))
1932             {
1933                 if (MKV_IS_ID(p_l1, KaxInfo))
1934                 {
1935                     // find the families of this segment
1936                     KaxInfo *p_info = static_cast<KaxInfo*>(p_l1);
1937
1938                     p_info->Read(*p_estream, KaxInfo::ClassInfos.Context, i_upper_lvl, p_l2, true);
1939                     for( i = 0; i < p_info->ListSize(); i++ )
1940                     {
1941                         EbmlElement *l = (*p_info)[i];
1942
1943                         if( MKV_IS_ID( l, KaxSegmentUID ) )
1944                         {
1945                             KaxSegmentUID *p_uid = static_cast<KaxSegmentUID*>(l);
1946                             b_keep_segment = (FindSegment( *p_uid ) == NULL);
1947                             if ( !b_keep_segment )
1948                                 break; // this segment is already known
1949                             opened_segments.push_back( p_segment1 );
1950                             delete p_segment1->p_segment_uid;
1951                             p_segment1->p_segment_uid = new KaxSegmentUID(*p_uid);
1952                         }
1953                         else if( MKV_IS_ID( l, KaxPrevUID ) )
1954                         {
1955                             p_segment1->p_prev_segment_uid = new KaxPrevUID( *static_cast<KaxPrevUID*>(l) );
1956                         }
1957                         else if( MKV_IS_ID( l, KaxNextUID ) )
1958                         {
1959                             p_segment1->p_next_segment_uid = new KaxNextUID( *static_cast<KaxNextUID*>(l) );
1960                         }
1961                         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
1962                         {
1963                             KaxSegmentFamily *p_fam = new KaxSegmentFamily( *static_cast<KaxSegmentFamily*>(l) );
1964                             p_segment1->families.push_back( *p_fam );
1965                         }
1966                     }
1967                     break;
1968                 }
1969             }
1970             if ( b_keep_segment )
1971             {
1972                 b_keep_stream = true;
1973                 p_stream1->segments.push_back( p_segment1 );
1974             }
1975             else
1976                 delete p_segment1;
1977         }
1978
1979         p_l0->SkipData(*p_estream, EbmlHead_Context);
1980         p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFL);
1981     }
1982
1983     if ( !b_keep_stream )
1984     {
1985         delete p_stream1;
1986         p_stream1 = NULL;
1987     }
1988
1989     return p_stream1;
1990 }
1991
1992 bool matroska_segment_c::Select( mtime_t i_start_time )
1993 {
1994     size_t i_track;
1995
1996     /* add all es */
1997     msg_Dbg( &sys.demuxer, "found %d es", tracks.size() );
1998     sys.b_pci_packet_set = false;
1999
2000     for( i_track = 0; i_track < tracks.size(); i_track++ )
2001     {
2002         if( tracks[i_track]->fmt.i_cat == UNKNOWN_ES )
2003         {
2004             msg_Warn( &sys.demuxer, "invalid track[%d, n=%d]", i_track, tracks[i_track]->i_number );
2005             tracks[i_track]->p_es = NULL;
2006             continue;
2007         }
2008
2009         if( !strcmp( tracks[i_track]->psz_codec, "V_MS/VFW/FOURCC" ) )
2010         {
2011             if( tracks[i_track]->i_extra_data < (int)sizeof( BITMAPINFOHEADER ) )
2012             {
2013                 msg_Err( &sys.demuxer, "missing/invalid BITMAPINFOHEADER" );
2014                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2015             }
2016             else
2017             {
2018                 BITMAPINFOHEADER *p_bih = (BITMAPINFOHEADER*)tracks[i_track]->p_extra_data;
2019
2020                 tracks[i_track]->fmt.video.i_width = GetDWLE( &p_bih->biWidth );
2021                 tracks[i_track]->fmt.video.i_height= GetDWLE( &p_bih->biHeight );
2022                 tracks[i_track]->fmt.i_codec       = GetFOURCC( &p_bih->biCompression );
2023
2024                 tracks[i_track]->fmt.i_extra       = GetDWLE( &p_bih->biSize ) - sizeof( BITMAPINFOHEADER );
2025                 if( tracks[i_track]->fmt.i_extra > 0 )
2026                 {
2027                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2028                     memcpy( tracks[i_track]->fmt.p_extra, &p_bih[1], tracks[i_track]->fmt.i_extra );
2029                 }
2030             }
2031         }
2032         else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG1" ) ||
2033                  !strcmp( tracks[i_track]->psz_codec, "V_MPEG2" ) )
2034         {
2035             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'v' );
2036         }
2037         else if( !strncmp( tracks[i_track]->psz_codec, "V_MPEG4", 7 ) )
2038         {
2039             if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/MS/V3" ) )
2040             {
2041                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'D', 'I', 'V', '3' );
2042             }
2043             else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/ISO/AVC" ) )
2044             {
2045                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'v', 'c', '1' );
2046                 tracks[i_track]->fmt.b_packetized = VLC_FALSE;
2047                 tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2048                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2049                 memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2050             }
2051             else
2052             {
2053                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' );
2054             }
2055         }
2056         else if( !strcmp( tracks[i_track]->psz_codec, "V_QUICKTIME" ) )
2057         {
2058             MP4_Box_t *p_box = (MP4_Box_t*)malloc( sizeof( MP4_Box_t ) );
2059             stream_t *p_mp4_stream = stream_MemoryNew( VLC_OBJECT(&sys.demuxer),
2060                                                        tracks[i_track]->p_extra_data,
2061                                                        tracks[i_track]->i_extra_data,
2062                                                        VLC_FALSE );
2063             MP4_ReadBoxCommon( p_mp4_stream, p_box );
2064             MP4_ReadBox_sample_vide( p_mp4_stream, p_box );
2065             tracks[i_track]->fmt.i_codec = p_box->i_type;
2066             tracks[i_track]->fmt.video.i_width = p_box->data.p_sample_vide->i_width;
2067             tracks[i_track]->fmt.video.i_height = p_box->data.p_sample_vide->i_height;
2068             tracks[i_track]->fmt.i_extra = p_box->data.p_sample_vide->i_qt_image_description;
2069             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2070             memcpy( tracks[i_track]->fmt.p_extra, p_box->data.p_sample_vide->p_qt_image_description, tracks[i_track]->fmt.i_extra );
2071             MP4_FreeBox_sample_vide( p_box );
2072             stream_Delete( p_mp4_stream );
2073         }
2074         else if( !strcmp( tracks[i_track]->psz_codec, "A_MS/ACM" ) )
2075         {
2076             if( tracks[i_track]->i_extra_data < (int)sizeof( WAVEFORMATEX ) )
2077             {
2078                 msg_Err( &sys.demuxer, "missing/invalid WAVEFORMATEX" );
2079                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2080             }
2081             else
2082             {
2083                 WAVEFORMATEX *p_wf = (WAVEFORMATEX*)tracks[i_track]->p_extra_data;
2084
2085                 wf_tag_to_fourcc( GetWLE( &p_wf->wFormatTag ), &tracks[i_track]->fmt.i_codec, NULL );
2086
2087                 tracks[i_track]->fmt.audio.i_channels   = GetWLE( &p_wf->nChannels );
2088                 tracks[i_track]->fmt.audio.i_rate = GetDWLE( &p_wf->nSamplesPerSec );
2089                 tracks[i_track]->fmt.i_bitrate    = GetDWLE( &p_wf->nAvgBytesPerSec ) * 8;
2090                 tracks[i_track]->fmt.audio.i_blockalign = GetWLE( &p_wf->nBlockAlign );;
2091                 tracks[i_track]->fmt.audio.i_bitspersample = GetWLE( &p_wf->wBitsPerSample );
2092
2093                 tracks[i_track]->fmt.i_extra            = GetWLE( &p_wf->cbSize );
2094                 if( tracks[i_track]->fmt.i_extra > 0 )
2095                 {
2096                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2097                     memcpy( tracks[i_track]->fmt.p_extra, &p_wf[1], tracks[i_track]->fmt.i_extra );
2098                 }
2099             }
2100         }
2101         else if( !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L3" ) ||
2102                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L2" ) ||
2103                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L1" ) )
2104         {
2105             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' );
2106         }
2107         else if( !strcmp( tracks[i_track]->psz_codec, "A_AC3" ) )
2108         {
2109             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' );
2110         }
2111         else if( !strcmp( tracks[i_track]->psz_codec, "A_DTS" ) )
2112         {
2113             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'd', 't', 's', ' ' );
2114         }
2115         else if( !strcmp( tracks[i_track]->psz_codec, "A_FLAC" ) )
2116         {
2117             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'f', 'l', 'a', 'c' );
2118             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2119             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2120             memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2121         }
2122         else if( !strcmp( tracks[i_track]->psz_codec, "A_VORBIS" ) )
2123         {
2124             int i, i_offset = 1, i_size[3], i_extra;
2125             uint8_t *p_extra;
2126
2127             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'v', 'o', 'r', 'b' );
2128
2129             /* Split the 3 headers */
2130             if( tracks[i_track]->p_extra_data[0] != 0x02 )
2131                 msg_Err( &sys.demuxer, "invalid vorbis header" );
2132
2133             for( i = 0; i < 2; i++ )
2134             {
2135                 i_size[i] = 0;
2136                 while( i_offset < tracks[i_track]->i_extra_data )
2137                 {
2138                     i_size[i] += tracks[i_track]->p_extra_data[i_offset];
2139                     if( tracks[i_track]->p_extra_data[i_offset++] != 0xff ) break;
2140                 }
2141             }
2142
2143             i_size[0] = __MIN(i_size[0], tracks[i_track]->i_extra_data - i_offset);
2144             i_size[1] = __MIN(i_size[1], tracks[i_track]->i_extra_data -i_offset -i_size[0]);
2145             i_size[2] = tracks[i_track]->i_extra_data - i_offset - i_size[0] - i_size[1];
2146
2147             tracks[i_track]->fmt.i_extra = 3 * 2 + i_size[0] + i_size[1] + i_size[2];
2148             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2149             p_extra = (uint8_t *)tracks[i_track]->fmt.p_extra; i_extra = 0;
2150             for( i = 0; i < 3; i++ )
2151             {
2152                 *(p_extra++) = i_size[i] >> 8;
2153                 *(p_extra++) = i_size[i] & 0xFF;
2154                 memcpy( p_extra, tracks[i_track]->p_extra_data + i_offset + i_extra,
2155                         i_size[i] );
2156                 p_extra += i_size[i];
2157                 i_extra += i_size[i];
2158             }
2159         }
2160         else if( !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG2/", strlen( "A_AAC/MPEG2/" ) ) ||
2161                  !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG4/", strlen( "A_AAC/MPEG4/" ) ) )
2162         {
2163             int i_profile, i_srate;
2164             static unsigned int i_sample_rates[] =
2165             {
2166                     96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050,
2167                         16000, 12000, 11025, 8000,  7350,  0,     0,     0
2168             };
2169
2170             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
2171             /* create data for faad (MP4DecSpecificDescrTag)*/
2172
2173             if( !strcmp( &tracks[i_track]->psz_codec[12], "MAIN" ) )
2174             {
2175                 i_profile = 0;
2176             }
2177             else if( !strcmp( &tracks[i_track]->psz_codec[12], "LC" ) )
2178             {
2179                 i_profile = 1;
2180             }
2181             else if( !strcmp( &tracks[i_track]->psz_codec[12], "SSR" ) )
2182             {
2183                 i_profile = 2;
2184             }
2185             else
2186             {
2187                 i_profile = 3;
2188             }
2189
2190             for( i_srate = 0; i_srate < 13; i_srate++ )
2191             {
2192                 if( i_sample_rates[i_srate] == tracks[i_track]->fmt.audio.i_rate )
2193                 {
2194                     break;
2195                 }
2196             }
2197             msg_Dbg( &sys.demuxer, "profile=%d srate=%d", i_profile, i_srate );
2198
2199             tracks[i_track]->fmt.i_extra = 2;
2200             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2201             ((uint8_t*)tracks[i_track]->fmt.p_extra)[0] = ((i_profile + 1) << 3) | ((i_srate&0xe) >> 1);
2202             ((uint8_t*)tracks[i_track]->fmt.p_extra)[1] = ((i_srate & 0x1) << 7) | (tracks[i_track]->fmt.audio.i_channels << 3);
2203         }
2204         else if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) ||
2205                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/LIT" ) ||
2206                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/FLOAT/IEEE" ) )
2207         {
2208             if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) )
2209             {
2210                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
2211             }
2212             else
2213             {
2214                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
2215             }
2216             tracks[i_track]->fmt.audio.i_blockalign = ( tracks[i_track]->fmt.audio.i_bitspersample + 7 ) / 8 * tracks[i_track]->fmt.audio.i_channels;
2217         }
2218         else if( !strcmp( tracks[i_track]->psz_codec, "A_TTA1" ) )
2219         {
2220             /* FIXME: support this codec */
2221             msg_Err( &sys.demuxer, "TTA not supported yet[%d, n=%d]", i_track, tracks[i_track]->i_number );
2222             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2223         }
2224         else if( !strcmp( tracks[i_track]->psz_codec, "A_WAVPACK4" ) )
2225         {
2226             /* FIXME: support this codec */
2227             msg_Err( &sys.demuxer, "Wavpack not supported yet[%d, n=%d]", i_track, tracks[i_track]->i_number );
2228             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2229         }
2230         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/UTF8" ) )
2231         {
2232             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 'u', 'b', 't' );
2233             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2234         }
2235         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/SSA" ) ||
2236                  !strcmp( tracks[i_track]->psz_codec, "S_TEXT/ASS" ) ||
2237                  !strcmp( tracks[i_track]->psz_codec, "S_SSA" ) ||
2238                  !strcmp( tracks[i_track]->psz_codec, "S_ASS" ))
2239         {
2240             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 's', 'a', ' ' );
2241             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2242         }
2243         else if( !strcmp( tracks[i_track]->psz_codec, "S_VOBSUB" ) )
2244         {
2245             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's','p','u',' ' );
2246             if( tracks[i_track]->i_extra_data )
2247             {
2248                 char *p_start;
2249                 char *p_buf = (char *)malloc( tracks[i_track]->i_extra_data + 1);
2250                 memcpy( p_buf, tracks[i_track]->p_extra_data , tracks[i_track]->i_extra_data );
2251                 p_buf[tracks[i_track]->i_extra_data] = '\0';
2252
2253                 p_start = strstr( p_buf, "size:" );
2254                 if( sscanf( p_start, "size: %dx%d",
2255                         &tracks[i_track]->fmt.subs.spu.i_original_frame_width, &tracks[i_track]->fmt.subs.spu.i_original_frame_height ) == 2 )
2256                 {
2257                     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 );
2258                 }
2259                 else
2260                 {
2261                     msg_Warn( &sys.demuxer, "reading original frame size for vobsub failed" );
2262                 }
2263                 free( p_buf );
2264             }
2265         }
2266         else if( !strcmp( tracks[i_track]->psz_codec, "B_VOBBTN" ) )
2267         {
2268             tracks[i_track]->fmt.i_cat = NAV_ES;
2269             continue;
2270         }
2271         else
2272         {
2273             msg_Err( &sys.demuxer, "unknow codec id=`%s'", tracks[i_track]->psz_codec );
2274             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2275         }
2276         if( tracks[i_track]->b_default )
2277         {
2278             tracks[i_track]->fmt.i_priority = 1000;
2279         }
2280
2281         tracks[i_track]->p_es = es_out_Add( sys.demuxer.out, &tracks[i_track]->fmt );
2282
2283         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_start_time );
2284     }
2285
2286     sys.i_start_pts = i_start_time;
2287     // reset the stream reading to the first cluster of the segment used
2288     es.I_O().setFilePointer( i_start_pos );
2289
2290     delete ep;
2291     ep = new EbmlParser( &es, segment, &sys.demuxer );
2292
2293     return true;
2294 }
2295
2296 void demux_sys_t::StartUiThread()
2297 {
2298     if ( !b_ui_hooked )
2299     {
2300         msg_Dbg( &demuxer, "Starting the UI Hook" );
2301         b_ui_hooked = true;
2302         /* FIXME hack hack hack hack FIXME */
2303         /* Get p_input and create variable */
2304         p_input = (input_thread_t *) vlc_object_find( &demuxer, VLC_OBJECT_INPUT, FIND_PARENT );
2305         var_Create( p_input, "x-start", VLC_VAR_INTEGER );
2306         var_Create( p_input, "y-start", VLC_VAR_INTEGER );
2307         var_Create( p_input, "x-end", VLC_VAR_INTEGER );
2308         var_Create( p_input, "y-end", VLC_VAR_INTEGER );
2309         var_Create( p_input, "color", VLC_VAR_ADDRESS );
2310         var_Create( p_input, "menu-contrast", VLC_VAR_ADDRESS );
2311         var_Create( p_input, "highlight", VLC_VAR_BOOL );
2312         var_Create( p_input, "highlight-mutex", VLC_VAR_MUTEX );
2313
2314         /* Now create our event thread catcher */
2315         p_ev = (event_thread_t *) vlc_object_create( &demuxer, sizeof( event_thread_t ) );
2316         p_ev->p_demux = &demuxer;
2317         p_ev->b_die = VLC_FALSE;
2318         vlc_mutex_init( p_ev, &p_ev->lock );
2319         vlc_thread_create( p_ev, "mkv event thread handler", EventThread,
2320                         VLC_THREAD_PRIORITY_LOW, VLC_FALSE );
2321     }
2322 }
2323
2324 void demux_sys_t::StopUiThread()
2325 {
2326     if ( b_ui_hooked )
2327     {
2328         p_ev->b_die = VLC_TRUE;
2329
2330         vlc_thread_join( p_ev );
2331         vlc_object_destroy( p_ev );
2332
2333         p_ev = NULL;
2334
2335         var_Destroy( p_input, "highlight-mutex" );
2336         var_Destroy( p_input, "highlight" );
2337         var_Destroy( p_input, "x-start" );
2338         var_Destroy( p_input, "x-end" );
2339         var_Destroy( p_input, "y-start" );
2340         var_Destroy( p_input, "y-end" );
2341         var_Destroy( p_input, "color" );
2342         var_Destroy( p_input, "menu-contrast" );
2343
2344         msg_Dbg( &demuxer, "Stopping the UI Hook" );
2345     }
2346     b_ui_hooked = false;
2347 }
2348
2349 int demux_sys_t::EventMouse( vlc_object_t *p_this, char const *psz_var,
2350                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
2351 {
2352     event_thread_t *p_ev = (event_thread_t *) p_data;
2353     vlc_mutex_lock( &p_ev->lock );
2354     if( psz_var[6] == 'c' )
2355         p_ev->b_clicked = VLC_TRUE;
2356     else if( psz_var[6] == 'm' )
2357         p_ev->b_moved = VLC_TRUE;
2358     vlc_mutex_unlock( &p_ev->lock );
2359
2360     return VLC_SUCCESS;
2361 }
2362
2363 int demux_sys_t::EventKey( vlc_object_t *p_this, char const *psz_var,
2364                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
2365 {
2366     event_thread_t *p_ev = (event_thread_t *) p_data;
2367     vlc_mutex_lock( &p_ev->lock );
2368     p_ev->b_key = VLC_TRUE;
2369     vlc_mutex_unlock( &p_ev->lock );
2370
2371     return VLC_SUCCESS;
2372 }
2373
2374 int demux_sys_t::EventThread( vlc_object_t *p_this )
2375 {
2376     event_thread_t *p_ev = (event_thread_t*)p_this;
2377     demux_sys_t    *p_sys = p_ev->p_demux->p_sys;
2378     vlc_object_t   *p_vout = NULL;
2379
2380     p_ev->b_moved   = VLC_FALSE;
2381     p_ev->b_clicked = VLC_FALSE;
2382     p_ev->b_key     = VLC_FALSE;
2383
2384     /* catch all key event */
2385     var_AddCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2386
2387     /* main loop */
2388     while( !p_ev->b_die )
2389     {
2390         if ( !p_sys->b_pci_packet_set )
2391         {
2392             /* Wait 100ms */
2393             msleep( 100000 );
2394             continue;
2395         }
2396
2397         vlc_bool_t b_activated = VLC_FALSE;
2398
2399         /* KEY part */
2400         if( p_ev->b_key )
2401         {
2402             vlc_value_t valk;
2403             struct vlc_t::hotkey *p_hotkeys = p_ev->p_vlc->p_hotkeys;
2404             int i, i_action = -1;
2405
2406             vlc_mutex_lock( &p_ev->lock );
2407
2408             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2409
2410             var_Get( p_ev->p_vlc, "key-pressed", &valk );
2411             for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
2412             {
2413                 if( p_hotkeys[i].i_key == valk.i_int )
2414                 {
2415                     i_action = p_hotkeys[i].i_action;
2416                 }
2417             }
2418
2419             uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2420
2421             switch( i_action )
2422             {
2423             case ACTIONID_NAV_LEFT:
2424                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2425                 {
2426                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2427                     if ( p_button_ptr->left > 0 && p_button_ptr->left <= pci->hli.hl_gi.btn_ns )
2428                     {
2429                         i_curr_button = p_button_ptr->left;
2430                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2431                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2432                         if ( button_ptr.auto_action_mode )
2433                         {
2434                             vlc_mutex_unlock( &p_ev->lock );
2435                             vlc_mutex_lock( &p_sys->lock_demuxer );
2436
2437                             // process the button action
2438                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2439
2440                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2441                             vlc_mutex_lock( &p_ev->lock );
2442                         }
2443                     }
2444                 }
2445                 break;
2446             case ACTIONID_NAV_RIGHT:
2447                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2448                 {
2449                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2450                     if ( p_button_ptr->right > 0 && p_button_ptr->right <= pci->hli.hl_gi.btn_ns )
2451                     {
2452                         i_curr_button = p_button_ptr->right;
2453                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2454                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2455                         if ( button_ptr.auto_action_mode )
2456                         {
2457                             vlc_mutex_unlock( &p_ev->lock );
2458                             vlc_mutex_lock( &p_sys->lock_demuxer );
2459
2460                             // process the button action
2461                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2462
2463                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2464                             vlc_mutex_lock( &p_ev->lock );
2465                         }
2466                     }
2467                 }
2468                 break;
2469             case ACTIONID_NAV_UP:
2470                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2471                 {
2472                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2473                     if ( p_button_ptr->up > 0 && p_button_ptr->up <= pci->hli.hl_gi.btn_ns )
2474                     {
2475                         i_curr_button = p_button_ptr->up;
2476                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2477                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2478                         if ( button_ptr.auto_action_mode )
2479                         {
2480                             vlc_mutex_unlock( &p_ev->lock );
2481                             vlc_mutex_lock( &p_sys->lock_demuxer );
2482
2483                             // process the button action
2484                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2485
2486                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2487                             vlc_mutex_lock( &p_ev->lock );
2488                         }
2489                     }
2490                 }
2491                 break;
2492             case ACTIONID_NAV_DOWN:
2493                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2494                 {
2495                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2496                     if ( p_button_ptr->down > 0 && p_button_ptr->down <= pci->hli.hl_gi.btn_ns )
2497                     {
2498                         i_curr_button = p_button_ptr->down;
2499                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2500                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2501                         if ( button_ptr.auto_action_mode )
2502                         {
2503                             vlc_mutex_unlock( &p_ev->lock );
2504                             vlc_mutex_lock( &p_sys->lock_demuxer );
2505
2506                             // process the button action
2507                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2508
2509                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2510                             vlc_mutex_lock( &p_ev->lock );
2511                         }
2512                     }
2513                 }
2514                 break;
2515             case ACTIONID_NAV_ACTIVATE:
2516                 b_activated = VLC_TRUE;
2517
2518                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2519                 {
2520                     btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2521
2522                     vlc_mutex_unlock( &p_ev->lock );
2523                     vlc_mutex_lock( &p_sys->lock_demuxer );
2524
2525                     // process the button action
2526                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2527
2528                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2529                     vlc_mutex_lock( &p_ev->lock );
2530                 }
2531                 break;
2532             default:
2533                 break;
2534             }
2535             p_ev->b_key = VLC_FALSE;
2536             vlc_mutex_unlock( &p_ev->lock );
2537         }
2538
2539         /* MOUSE part */
2540         if( p_vout && ( p_ev->b_moved || p_ev->b_clicked ) )
2541         {
2542             vlc_value_t valx, valy;
2543
2544             vlc_mutex_lock( &p_ev->lock );
2545             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2546             var_Get( p_vout, "mouse-x", &valx );
2547             var_Get( p_vout, "mouse-y", &valy );
2548
2549             if( p_ev->b_clicked )
2550             {
2551                 int32_t button;
2552                 int32_t best,dist,d;
2553                 int32_t mx,my,dx,dy;
2554
2555                 b_activated = VLC_TRUE;
2556                 // get current button
2557                 best = 0;
2558                 dist = 0x08000000; /* >> than  (720*720)+(567*567); */
2559                 for(button = 1; button <= pci->hli.hl_gi.btn_ns; button++)
2560                 {
2561                     btni_t *button_ptr = &(pci->hli.btnit[button-1]);
2562
2563                     if((valx.i_int >= button_ptr->x_start) && (valx.i_int <= button_ptr->x_end) &&
2564                        (valy.i_int >= button_ptr->y_start) && (valy.i_int <= button_ptr->y_end))
2565                     {
2566                         mx = (button_ptr->x_start + button_ptr->x_end)/2;
2567                         my = (button_ptr->y_start + button_ptr->y_end)/2;
2568                         dx = mx - valx.i_int;
2569                         dy = my - valy.i_int;
2570                         d = (dx*dx) + (dy*dy);
2571                         /* If the mouse is within the button and the mouse is closer
2572                         * to the center of this button then it is the best choice. */
2573                         if(d < dist) {
2574                             dist = d;
2575                             best = button;
2576                         }
2577                     }
2578                 }
2579
2580                 if ( best != 0)
2581                 {
2582                     btni_t button_ptr = pci->hli.btnit[best-1];
2583                     uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2584
2585                     msg_Dbg( &p_sys->demuxer, "Clicked button %d", best );
2586                     vlc_mutex_unlock( &p_ev->lock );
2587                     vlc_mutex_lock( &p_sys->lock_demuxer );
2588
2589                     // process the button action
2590                     p_sys->dvd_interpretor.SetSPRM( 0x88, best );
2591                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2592
2593                     msg_Dbg( &p_sys->demuxer, "Processed button %d", best );
2594
2595                     // select new button
2596                     if ( best != i_curr_button )
2597                     {
2598                         vlc_value_t val;
2599
2600                         if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
2601                         {
2602                             vlc_mutex_t *p_mutex = (vlc_mutex_t *) val.p_address;
2603                             uint32_t i_palette;
2604
2605                             if(button_ptr.btn_coln != 0) {
2606                                 i_palette = pci->hli.btn_colit.btn_coli[button_ptr.btn_coln-1][1];
2607                             } else {
2608                                 i_palette = 0;
2609                             }
2610                             p_sys->alpha[0] = i_palette      & 0x0f;
2611                             p_sys->alpha[1] = (i_palette>>4) & 0x0f;
2612                             p_sys->alpha[2] = (i_palette>>8) & 0x0f;
2613                             p_sys->alpha[3] = (i_palette>>12)& 0x0f;
2614
2615                             vlc_mutex_lock( p_mutex );
2616                             val.i_int = button_ptr.x_start; var_Set( p_sys->p_input, "x-start", val );
2617                             val.i_int = button_ptr.x_end;   var_Set( p_sys->p_input, "x-end",   val );
2618                             val.i_int = button_ptr.y_start; var_Set( p_sys->p_input, "y-start", val );
2619                             val.i_int = button_ptr.y_end;   var_Set( p_sys->p_input, "y-end",   val );
2620
2621                             val.p_address = (void *)p_sys->alpha;
2622                             var_Set( p_sys->p_input, "menu-contrast", val );
2623
2624                             val.b_bool = VLC_TRUE; var_Set( p_sys->p_input, "highlight", val );
2625                             vlc_mutex_unlock( p_mutex );
2626                         }
2627                     }
2628                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2629                     vlc_mutex_lock( &p_ev->lock );
2630                 }
2631             }
2632             else if( p_ev->b_moved )
2633             {
2634 //                dvdnav_mouse_select( NULL, pci, valx.i_int, valy.i_int );
2635             }
2636
2637             p_ev->b_moved = VLC_FALSE;
2638             p_ev->b_clicked = VLC_FALSE;
2639             vlc_mutex_unlock( &p_ev->lock );
2640         }
2641
2642         /* VOUT part */
2643         if( p_vout && p_vout->b_die )
2644         {
2645             var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2646             var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2647             vlc_object_release( p_vout );
2648             p_vout = NULL;
2649         }
2650
2651         else if( p_vout == NULL )
2652         {
2653             p_vout = (vlc_object_t*) vlc_object_find( p_sys->p_input, VLC_OBJECT_VOUT,
2654                                       FIND_CHILD );
2655             if( p_vout)
2656             {
2657                 var_AddCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2658                 var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2659             }
2660         }
2661
2662         /* Wait a bit, 10ms */
2663         msleep( 10000 );
2664     }
2665
2666     /* Release callback */
2667     if( p_vout )
2668     {
2669         var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2670         var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2671         vlc_object_release( p_vout );
2672     }
2673     var_DelCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2674
2675     vlc_mutex_destroy( &p_ev->lock );
2676
2677     return VLC_SUCCESS;
2678 }
2679
2680 void matroska_segment_c::UnSelect( )
2681 {
2682     size_t i_track;
2683
2684     for( i_track = 0; i_track < tracks.size(); i_track++ )
2685     {
2686         if ( tracks[i_track]->p_es != NULL )
2687         {
2688 //            es_format_Clean( &tracks[i_track]->fmt );
2689             es_out_Del( sys.demuxer.out, tracks[i_track]->p_es );
2690             tracks[i_track]->p_es = NULL;
2691         }
2692     }
2693     delete ep;
2694     ep = NULL;
2695 }
2696
2697 void virtual_segment_c::PrepareChapters( )
2698 {
2699     if ( linked_segments.size() == 0 )
2700         return;
2701
2702     // !!! should be called only once !!!
2703     matroska_segment_c *p_segment;
2704     size_t i, j;
2705
2706     // copy editions from the first segment
2707     p_segment = linked_segments[0];
2708     p_editions = &p_segment->stored_editions;
2709
2710     for ( i=1 ; i<linked_segments.size(); i++ )
2711     {
2712         p_segment = linked_segments[i];
2713         // FIXME assume we have the same editions in all segments
2714         for (j=0; j<p_segment->stored_editions.size(); j++)
2715             (*p_editions)[j]->Append( *p_segment->stored_editions[j] );
2716     }
2717 }
2718
2719 std::string chapter_edition_c::GetMainName() const
2720 {
2721     if ( sub_chapters.size() )
2722     {
2723         return sub_chapters[0]->GetCodecName( true );
2724     }
2725     return "";
2726 }
2727
2728 int chapter_item_c::PublishChapters( input_title_t & title, int & i_user_chapters, int i_level )
2729 {
2730     // add support for meta-elements from codec like DVD Titles
2731     if ( !b_display_seekpoint || psz_name == "" )
2732     {
2733         psz_name = GetCodecName();
2734         if ( psz_name != "" )
2735             b_display_seekpoint = true;
2736     }
2737
2738     if (b_display_seekpoint)
2739     {
2740         seekpoint_t *sk = vlc_seekpoint_New();
2741
2742         sk->i_level = i_level;
2743         sk->i_time_offset = i_start_time;
2744         sk->psz_name = strdup( psz_name.c_str() );
2745
2746         // A start time of '0' is ok. A missing ChapterTime element is ok, too, because '0' is its default value.
2747         title.i_seekpoint++;
2748         title.seekpoint = (seekpoint_t**)realloc( title.seekpoint, title.i_seekpoint * sizeof( seekpoint_t* ) );
2749         title.seekpoint[title.i_seekpoint-1] = sk;
2750
2751         if ( b_user_display )
2752             i_user_chapters++;
2753     }
2754
2755     for ( size_t i=0; i<sub_chapters.size() ; i++)
2756     {
2757         sub_chapters[i]->PublishChapters( title, i_user_chapters, i_level+1 );
2758     }
2759
2760     i_seekpoint_num = i_user_chapters;
2761
2762     return i_user_chapters;
2763 }
2764
2765 bool virtual_segment_c::UpdateCurrentToChapter( demux_t & demux )
2766 {
2767     demux_sys_t & sys = *demux.p_sys;
2768     chapter_item_c *psz_curr_chapter;
2769     bool b_has_seeked = false;
2770
2771     /* update current chapter/seekpoint */
2772     if ( p_editions->size() )
2773     {
2774         /* 1st, we need to know in which chapter we are */
2775         psz_curr_chapter = (*p_editions)[i_current_edition]->FindTimecode( sys.i_pts, psz_current_chapter );
2776
2777         /* we have moved to a new chapter */
2778         if (psz_curr_chapter != NULL && psz_current_chapter != psz_curr_chapter)
2779         {
2780             if ( (*p_editions)[i_current_edition]->b_ordered )
2781             {
2782                 // Leave/Enter up to the link point
2783                 b_has_seeked = psz_curr_chapter->EnterAndLeave( psz_current_chapter );
2784                 if ( !b_has_seeked )
2785                 {
2786                     // only physically seek if necessary
2787                     if ( psz_current_chapter == NULL || (psz_current_chapter->i_end_time != psz_curr_chapter->i_start_time) )
2788                         Seek( demux, sys.i_pts, 0, psz_curr_chapter );
2789                 }
2790             }
2791
2792             if ( !b_has_seeked )
2793             {
2794                 psz_current_chapter = psz_curr_chapter;
2795                 if ( psz_curr_chapter->i_seekpoint_num > 0 )
2796                 {
2797                     demux.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
2798                     demux.info.i_title = sys.i_current_title = i_sys_title;
2799                     demux.info.i_seekpoint = psz_curr_chapter->i_seekpoint_num - 1;
2800                 }
2801             }
2802
2803             return true;
2804         }
2805         else if (psz_curr_chapter == NULL)
2806         {
2807             // out of the scope of the data described by chapters, leave the edition
2808             if ( (*p_editions)[i_current_edition]->b_ordered && psz_current_chapter != NULL )
2809             {
2810                 if ( !(*p_editions)[i_current_edition]->EnterAndLeave( psz_current_chapter, false ) )
2811                     psz_current_chapter = NULL;
2812                 else
2813                     return true;
2814             }
2815         }
2816     }
2817     return false;
2818 }
2819
2820 chapter_item_c *virtual_segment_c::BrowseCodecPrivate( unsigned int codec_id,
2821                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
2822                                     const void *p_cookie,
2823                                     size_t i_cookie_size )
2824 {
2825     // FIXME don't assume it is the first edition
2826     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
2827     if ( index != p_editions->end() )
2828     {
2829         chapter_item_c *p_result = (*index)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
2830         if ( p_result != NULL )
2831             return p_result;
2832     }
2833     return NULL;
2834 }
2835
2836 chapter_item_c *virtual_segment_c::FindChapter( int64_t i_find_uid )
2837 {
2838     // FIXME don't assume it is the first edition
2839     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
2840     if ( index != p_editions->end() )
2841     {
2842         chapter_item_c *p_result = (*index)->FindChapter( i_find_uid );
2843         if ( p_result != NULL )
2844             return p_result;
2845     }
2846     return NULL;
2847 }
2848
2849 chapter_item_c *chapter_item_c::BrowseCodecPrivate( unsigned int codec_id,
2850                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
2851                                     const void *p_cookie,
2852                                     size_t i_cookie_size )
2853 {
2854     // this chapter
2855     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2856     while ( index != codecs.end() )
2857     {
2858         if ( match( **index ,p_cookie, i_cookie_size ) )
2859             return this;
2860         index++;
2861     }
2862
2863     // sub-chapters
2864     chapter_item_c *p_result = NULL;
2865     std::vector<chapter_item_c*>::const_iterator index2 = sub_chapters.begin();
2866     while ( index2 != sub_chapters.end() )
2867     {
2868         p_result = (*index2)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
2869         if ( p_result != NULL )
2870             return p_result;
2871         index2++;
2872     }
2873
2874     return p_result;
2875 }
2876
2877 void chapter_item_c::Append( const chapter_item_c & chapter )
2878 {
2879     // we are appending content for the same chapter UID
2880     size_t i;
2881     chapter_item_c *p_chapter;
2882
2883     for ( i=0; i<chapter.sub_chapters.size(); i++ )
2884     {
2885         p_chapter = FindChapter( chapter.sub_chapters[i]->i_uid );
2886         if ( p_chapter != NULL )
2887         {
2888             p_chapter->Append( *chapter.sub_chapters[i] );
2889         }
2890         else
2891         {
2892             sub_chapters.push_back( chapter.sub_chapters[i] );
2893         }
2894     }
2895
2896     i_user_start_time = min( i_user_start_time, chapter.i_user_start_time );
2897     i_user_end_time = max( i_user_end_time, chapter.i_user_end_time );
2898 }
2899
2900 chapter_item_c * chapter_item_c::FindChapter( int64_t i_find_uid )
2901 {
2902     size_t i;
2903     chapter_item_c *p_result = NULL;
2904
2905     if ( i_uid == i_find_uid )
2906         return this;
2907
2908     for ( i=0; i<sub_chapters.size(); i++)
2909     {
2910         p_result = sub_chapters[i]->FindChapter( i_find_uid );
2911         if ( p_result != NULL )
2912             break;
2913     }
2914     return p_result;
2915 }
2916
2917 std::string chapter_item_c::GetCodecName( bool f_for_title ) const
2918 {
2919     std::string result;
2920
2921     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2922     while ( index != codecs.end() )
2923     {
2924         result = (*index)->GetCodecName( f_for_title );
2925         if ( result != "" )
2926             break;
2927         index++;
2928     }
2929
2930     return result;
2931 }
2932
2933 std::string dvd_chapter_codec_c::GetCodecName( bool f_for_title ) const
2934 {
2935     std::string result;
2936     if ( p_private_data->GetSize() >= 3)
2937     {
2938         const binary* p_data = p_private_data->GetBuffer();
2939 /*        if ( p_data[0] == MATROSKA_DVD_LEVEL_TT )
2940         {
2941             uint16_t i_title = (p_data[1] << 8) + p_data[2];
2942             char psz_str[11];
2943             sprintf( psz_str, " %d  ---", i_title );
2944             result = N_("---  DVD Title");
2945             result += psz_str;
2946         }
2947         else */ if ( p_data[0] == MATROSKA_DVD_LEVEL_LU )
2948         {
2949             char psz_str[11];
2950             sprintf( psz_str, " (%c%c)  ---", p_data[1], p_data[2] );
2951             result = N_("---  DVD Menu");
2952             result += psz_str;
2953         }
2954         else if ( p_data[0] == MATROSKA_DVD_LEVEL_SS && f_for_title )
2955         {
2956             if ( p_data[1] == 0x00 )
2957                 result = N_("First Played");
2958             else if ( p_data[1] == 0xC0 )
2959                 result = N_("Video Manager");
2960             else if ( p_data[1] == 0x80 )
2961             {
2962                 uint16_t i_title = (p_data[2] << 8) + p_data[3];
2963                 char psz_str[20];
2964                 sprintf( psz_str, " %d -----", i_title );
2965                 result = N_("----- Title");
2966                 result += psz_str;
2967             }
2968         }
2969     }
2970
2971     return result;
2972 }
2973
2974 int16 chapter_item_c::GetTitleNumber( ) const
2975 {
2976     int result = -1;
2977
2978     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2979     while ( index != codecs.end() )
2980     {
2981         result = (*index)->GetTitleNumber( );
2982         if ( result >= 0 )
2983             break;
2984         index++;
2985     }
2986
2987     return result;
2988 }
2989
2990 int16 dvd_chapter_codec_c::GetTitleNumber()
2991 {
2992     if ( p_private_data->GetSize() >= 3)
2993     {
2994         const binary* p_data = p_private_data->GetBuffer();
2995         if ( p_data[0] == MATROSKA_DVD_LEVEL_SS )
2996         {
2997             return int16( (p_data[2] << 8) + p_data[3] );
2998         }
2999     }
3000     return -1;
3001 }
3002
3003 static void Seek( demux_t *p_demux, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter )
3004 {
3005     demux_sys_t        *p_sys = p_demux->p_sys;
3006     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3007     matroska_segment_c *p_segment = p_vsegment->Segment();
3008     mtime_t            i_time_offset = 0;
3009
3010     int         i_index;
3011
3012     msg_Dbg( p_demux, "seek request to "I64Fd" (%f%%)", i_date, f_percent );
3013     if( i_date < 0 && f_percent < 0 )
3014     {
3015         msg_Warn( p_demux, "cannot seek nowhere !" );
3016         return;
3017     }
3018     if( f_percent > 1.0 )
3019     {
3020         msg_Warn( p_demux, "cannot seek so far !" );
3021         return;
3022     }
3023
3024     /* seek without index or without date */
3025     if( f_percent >= 0 && (config_GetInt( p_demux, "mkv-seek-percent" ) || !p_segment->b_cues || i_date < 0 ))
3026     {
3027         if (p_sys->f_duration >= 0)
3028         {
3029             i_date = int64_t( f_percent * p_sys->f_duration * 1000.0 );
3030         }
3031         else
3032         {
3033             int64_t i_pos = int64_t( f_percent * stream_Size( p_demux->s ) );
3034
3035             msg_Dbg( p_demux, "inacurate way of seeking" );
3036             for( i_index = 0; i_index < p_segment->i_index; i_index++ )
3037             {
3038                 if( p_segment->p_indexes[i_index].i_position >= i_pos)
3039                 {
3040                     break;
3041                 }
3042             }
3043             if( i_index == p_segment->i_index )
3044             {
3045                 i_index--;
3046             }
3047
3048             i_date = p_segment->p_indexes[i_index].i_time;
3049
3050 #if 0
3051             if( p_segment->p_indexes[i_index].i_position < i_pos )
3052             {
3053                 EbmlElement *el;
3054
3055                 msg_Warn( p_demux, "searching for cluster, could take some time" );
3056
3057                 /* search a cluster */
3058                 while( ( el = p_sys->ep->Get() ) != NULL )
3059                 {
3060                     if( MKV_IS_ID( el, KaxCluster ) )
3061                     {
3062                         KaxCluster *cluster = (KaxCluster*)el;
3063
3064                         /* add it to the index */
3065                         p_segment->IndexAppendCluster( cluster );
3066
3067                         if( (int64_t)cluster->GetElementPosition() >= i_pos )
3068                         {
3069                             p_sys->cluster = cluster;
3070                             p_sys->ep->Down();
3071                             break;
3072                         }
3073                     }
3074                 }
3075             }
3076 #endif
3077         }
3078     }
3079
3080     p_vsegment->Seek( *p_demux, i_date, i_time_offset, psz_chapter );
3081 }
3082
3083 /*****************************************************************************
3084  * Demux: reads and demuxes data packets
3085  *****************************************************************************
3086  * Returns -1 in case of error, 0 in case of EOF, 1 otherwise
3087  *****************************************************************************/
3088 static int Demux( demux_t *p_demux)
3089 {
3090     demux_sys_t        *p_sys = p_demux->p_sys;
3091
3092     vlc_mutex_lock( &p_sys->lock_demuxer );
3093
3094     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3095     matroska_segment_c *p_segment = p_vsegment->Segment();
3096     if ( p_segment == NULL ) return 0;
3097     int                i_block_count = 0;
3098     int                i_return = 0;
3099
3100     for( ;; )
3101     {
3102         if ( p_sys->demuxer.b_die )
3103             break;
3104
3105         if( p_sys->i_pts >= p_sys->i_start_pts  )
3106             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3107             {
3108                 i_return = 1;
3109                 break;
3110             }
3111
3112         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3113         {
3114             /* nothing left to read in this ordered edition */
3115             if ( !p_vsegment->SelectNext() )
3116                 break;
3117             p_segment->UnSelect( );
3118
3119             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3120
3121             /* switch to the next segment */
3122             p_segment = p_vsegment->Segment();
3123             if ( !p_segment->Select( 0 ) )
3124             {
3125                 msg_Err( p_demux, "Failed to select new segment" );
3126                 break;
3127             }
3128             continue;
3129         }
3130
3131         KaxBlock *block;
3132         int64_t i_block_duration = 0;
3133         int64_t i_block_ref1;
3134         int64_t i_block_ref2;
3135
3136         if( p_segment->BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
3137         {
3138             if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered )
3139             {
3140                 const chapter_item_c *p_chap = p_vsegment->CurrentChapter();
3141                 // check if there are more chapters to read
3142                 if ( p_chap != NULL )
3143                 {
3144                     /* TODO handle successive chapters with the same user_start_time/user_end_time
3145                     if ( p_chap->i_user_start_time == p_chap->i_user_start_time )
3146                         p_vsegment->SelectNext();
3147                     */
3148                     p_sys->i_pts = p_chap->i_user_end_time;
3149                     p_sys->i_pts++; // trick to avoid staying on segments with no duration and no content
3150
3151                     i_return = 1;
3152                 }
3153
3154                 break;
3155             }
3156             else
3157             {
3158                 msg_Warn( p_demux, "cannot get block EOF?" );
3159                 p_segment->UnSelect( );
3160
3161                 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3162
3163                 /* switch to the next segment */
3164                 if ( !p_vsegment->SelectNext() )
3165                     // no more segments in this stream
3166                     break;
3167                 p_segment = p_vsegment->Segment();
3168                 if ( !p_segment->Select( 0 ) )
3169                 {
3170                     msg_Err( p_demux, "Failed to select new segment" );
3171                     break;
3172                 }
3173
3174                 continue;
3175             }
3176         }
3177
3178         p_sys->i_pts = p_sys->i_chapter_time + block->GlobalTimecode() / (mtime_t) 1000;
3179
3180         if( p_sys->i_pts >= p_sys->i_start_pts  )
3181         {
3182             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pts );
3183         }
3184
3185         if( p_sys->i_pts >= p_sys->i_start_pts  )
3186             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3187             {
3188                 i_return = 1;
3189                 break;
3190             }
3191
3192         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3193         {
3194             /* nothing left to read in this ordered edition */
3195             if ( !p_vsegment->SelectNext() )
3196                 break;
3197             p_segment->UnSelect( );
3198
3199             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3200
3201             /* switch to the next segment */
3202             p_segment = p_vsegment->Segment();
3203             if ( !p_segment->Select( 0 ) )
3204             {
3205                 msg_Err( p_demux, "Failed to select new segment" );
3206                 break;
3207             }
3208             continue;
3209         }
3210
3211         BlockDecode( p_demux, block, p_sys->i_pts, i_block_duration );
3212
3213         delete block;
3214         i_block_count++;
3215
3216         // TODO optimize when there is need to leave or when seeking has been called
3217         if( i_block_count > 5 )
3218         {
3219             i_return = 1;
3220             break;
3221         }
3222     }
3223
3224     vlc_mutex_unlock( &p_sys->lock_demuxer );
3225
3226     return i_return;
3227 }
3228
3229
3230
3231 /*****************************************************************************
3232  * Stream managment
3233  *****************************************************************************/
3234 vlc_stream_io_callback::vlc_stream_io_callback( stream_t *s_, vlc_bool_t b_owner_ )
3235 {
3236     s = s_;
3237     b_owner = b_owner_;
3238     mb_eof = VLC_FALSE;
3239 }
3240
3241 uint32 vlc_stream_io_callback::read( void *p_buffer, size_t i_size )
3242 {
3243     if( i_size <= 0 || mb_eof )
3244     {
3245         return 0;
3246     }
3247
3248     return stream_Read( s, p_buffer, i_size );
3249 }
3250 void vlc_stream_io_callback::setFilePointer(int64_t i_offset, seek_mode mode )
3251 {
3252     int64_t i_pos;
3253
3254     switch( mode )
3255     {
3256         case seek_beginning:
3257             i_pos = i_offset;
3258             break;
3259         case seek_end:
3260             i_pos = stream_Size( s ) - i_offset;
3261             break;
3262         default:
3263             i_pos= stream_Tell( s ) + i_offset;
3264             break;
3265     }
3266
3267     if( i_pos < 0 || i_pos >= stream_Size( s ) )
3268     {
3269         mb_eof = VLC_TRUE;
3270         return;
3271     }
3272
3273     mb_eof = VLC_FALSE;
3274     if( stream_Seek( s, i_pos ) )
3275     {
3276         mb_eof = VLC_TRUE;
3277     }
3278     return;
3279 }
3280 size_t vlc_stream_io_callback::write( const void *p_buffer, size_t i_size )
3281 {
3282     return 0;
3283 }
3284 uint64 vlc_stream_io_callback::getFilePointer( void )
3285 {
3286     return stream_Tell( s );
3287 }
3288 void vlc_stream_io_callback::close( void )
3289 {
3290     return;
3291 }
3292
3293
3294 /*****************************************************************************
3295  * Ebml Stream parser
3296  *****************************************************************************/
3297 EbmlParser::EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux )
3298 {
3299     int i;
3300
3301     m_es = es;
3302     m_got = NULL;
3303     m_el[0] = el_start;
3304     mi_remain_size[0] = el_start->GetSize();
3305
3306     for( i = 1; i < 6; i++ )
3307     {
3308         m_el[i] = NULL;
3309     }
3310     mi_level = 1;
3311     mi_user_level = 1;
3312     mb_keep = VLC_FALSE;
3313     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3314 }
3315
3316 EbmlParser::~EbmlParser( void )
3317 {
3318     int i;
3319
3320     for( i = 1; i < mi_level; i++ )
3321     {
3322         if( !mb_keep )
3323         {
3324             delete m_el[i];
3325         }
3326         mb_keep = VLC_FALSE;
3327     }
3328 }
3329
3330 EbmlElement* EbmlParser::UnGet( uint64 i_block_pos, uint64 i_cluster_pos )
3331 {
3332     if ( mi_user_level > mi_level )
3333     {
3334         while ( mi_user_level != mi_level )
3335         {
3336             delete m_el[mi_user_level];
3337             m_el[mi_user_level] = NULL;
3338             mi_user_level--;
3339         }
3340     }
3341     m_got = NULL;
3342     mb_keep = VLC_FALSE;
3343     if ( m_el[1]->GetElementPosition() == i_cluster_pos )
3344     {
3345         m_es->I_O().setFilePointer( i_block_pos, seek_beginning );
3346         return (EbmlMaster*) m_el[1];
3347     }
3348     else
3349     {
3350         // seek to the previous Cluster
3351         m_es->I_O().setFilePointer( i_cluster_pos, seek_beginning );
3352         mi_level--;
3353         mi_user_level--;
3354         delete m_el[mi_level];
3355         m_el[mi_level] = NULL;
3356         return NULL;
3357     }
3358 }
3359
3360 void EbmlParser::Up( void )
3361 {
3362     if( mi_user_level == mi_level )
3363     {
3364         fprintf( stderr," arrrrrrrrrrrrrg Up cannot escape itself\n" );
3365     }
3366
3367     mi_user_level--;
3368 }
3369
3370 void EbmlParser::Down( void )
3371 {
3372     mi_user_level++;
3373     mi_level++;
3374 }
3375
3376 void EbmlParser::Keep( void )
3377 {
3378     mb_keep = VLC_TRUE;
3379 }
3380
3381 int EbmlParser::GetLevel( void )
3382 {
3383     return mi_user_level;
3384 }
3385
3386 void EbmlParser::Reset( demux_t *p_demux )
3387 {
3388     while ( mi_level > 0)
3389     {
3390         delete m_el[mi_level];
3391         m_el[mi_level] = NULL;
3392         mi_level--;
3393     }
3394     mi_user_level = mi_level = 1;
3395 #if LIBEBML_VERSION >= 0x000704
3396     // a little faster and cleaner
3397     m_es->I_O().setFilePointer( static_cast<KaxSegment*>(m_el[0])->GetGlobalPosition(0) );
3398 #else
3399     m_es->I_O().setFilePointer( m_el[0]->GetElementPosition() + m_el[0]->ElementSize(true) - m_el[0]->GetSize() );
3400 #endif
3401     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3402 }
3403
3404 EbmlElement *EbmlParser::Get( void )
3405 {
3406     int i_ulev = 0;
3407
3408     if( mi_user_level != mi_level )
3409     {
3410         return NULL;
3411     }
3412     if( m_got )
3413     {
3414         EbmlElement *ret = m_got;
3415         m_got = NULL;
3416
3417         return ret;
3418     }
3419
3420     if( m_el[mi_level] )
3421     {
3422         m_el[mi_level]->SkipData( *m_es, m_el[mi_level]->Generic().Context );
3423         if( !mb_keep )
3424         {
3425             delete m_el[mi_level];
3426         }
3427         mb_keep = VLC_FALSE;
3428     }
3429
3430     m_el[mi_level] = m_es->FindNextElement( m_el[mi_level - 1]->Generic().Context, i_ulev, 0xFFFFFFFFL, mb_dummy != 0, 1 );
3431 //    mi_remain_size[mi_level] = m_el[mi_level]->GetSize();
3432     if( i_ulev > 0 )
3433     {
3434         while( i_ulev > 0 )
3435         {
3436             if( mi_level == 1 )
3437             {
3438                 mi_level = 0;
3439                 return NULL;
3440             }
3441
3442             delete m_el[mi_level - 1];
3443             m_got = m_el[mi_level -1] = m_el[mi_level];
3444             m_el[mi_level] = NULL;
3445
3446             mi_level--;
3447             i_ulev--;
3448         }
3449         return NULL;
3450     }
3451     else if( m_el[mi_level] == NULL )
3452     {
3453         fprintf( stderr," m_el[mi_level] == NULL\n" );
3454     }
3455
3456     return m_el[mi_level];
3457 }
3458
3459
3460 /*****************************************************************************
3461  * Tools
3462  *  * LoadCues : load the cues element and update index
3463  *
3464  *  * LoadTags : load ... the tags element
3465  *
3466  *  * InformationCreate : create all information, load tags if present
3467  *
3468  *****************************************************************************/
3469 void matroska_segment_c::LoadCues( )
3470 {
3471     int64_t     i_sav_position = es.I_O().getFilePointer();
3472     EbmlParser  *ep;
3473     EbmlElement *el, *cues;
3474
3475     /* *** Load the cue if found *** */
3476     if( i_cues_position < 0 )
3477     {
3478         msg_Warn( &sys.demuxer, "no cues/empty cues found->seek won't be precise" );
3479
3480 //        IndexAppendCluster( cluster );
3481     }
3482
3483     vlc_bool_t b_seekable;
3484
3485     stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
3486     if( !b_seekable )
3487         return;
3488
3489     msg_Dbg( &sys.demuxer, "loading cues" );
3490     es.I_O().setFilePointer( i_cues_position, seek_beginning );
3491     cues = es.FindNextID( KaxCues::ClassInfos, 0xFFFFFFFFL);
3492
3493     if( cues == NULL )
3494     {
3495         msg_Err( &sys.demuxer, "cannot load cues (broken seekhead or file)" );
3496         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3497         return;
3498     }
3499
3500     ep = new EbmlParser( &es, cues, &sys.demuxer );
3501     while( ( el = ep->Get() ) != NULL )
3502     {
3503         if( MKV_IS_ID( el, KaxCuePoint ) )
3504         {
3505 #define idx p_indexes[i_index]
3506
3507             idx.i_track       = -1;
3508             idx.i_block_number= -1;
3509             idx.i_position    = -1;
3510             idx.i_time        = 0;
3511             idx.b_key         = VLC_TRUE;
3512
3513             ep->Down();
3514             while( ( el = ep->Get() ) != NULL )
3515             {
3516                 if( MKV_IS_ID( el, KaxCueTime ) )
3517                 {
3518                     KaxCueTime &ctime = *(KaxCueTime*)el;
3519
3520                     ctime.ReadData( es.I_O() );
3521
3522                     idx.i_time = uint64( ctime ) * i_timescale / (mtime_t)1000;
3523                 }
3524                 else if( MKV_IS_ID( el, KaxCueTrackPositions ) )
3525                 {
3526                     ep->Down();
3527                     while( ( el = ep->Get() ) != NULL )
3528                     {
3529                         if( MKV_IS_ID( el, KaxCueTrack ) )
3530                         {
3531                             KaxCueTrack &ctrack = *(KaxCueTrack*)el;
3532
3533                             ctrack.ReadData( es.I_O() );
3534                             idx.i_track = uint16( ctrack );
3535                         }
3536                         else if( MKV_IS_ID( el, KaxCueClusterPosition ) )
3537                         {
3538                             KaxCueClusterPosition &ccpos = *(KaxCueClusterPosition*)el;
3539
3540                             ccpos.ReadData( es.I_O() );
3541                             idx.i_position = segment->GetGlobalPosition( uint64( ccpos ) );
3542                         }
3543                         else if( MKV_IS_ID( el, KaxCueBlockNumber ) )
3544                         {
3545                             KaxCueBlockNumber &cbnum = *(KaxCueBlockNumber*)el;
3546
3547                             cbnum.ReadData( es.I_O() );
3548                             idx.i_block_number = uint32( cbnum );
3549                         }
3550                         else
3551                         {
3552                             msg_Dbg( &sys.demuxer, "         * Unknown (%s)", typeid(*el).name() );
3553                         }
3554                     }
3555                     ep->Up();
3556                 }
3557                 else
3558                 {
3559                     msg_Dbg( &sys.demuxer, "     * Unknown (%s)", typeid(*el).name() );
3560                 }
3561             }
3562             ep->Up();
3563
3564 #if 0
3565             msg_Dbg( &sys.demuxer, " * added time="I64Fd" pos="I64Fd
3566                      " track=%d bnum=%d", idx.i_time, idx.i_position,
3567                      idx.i_track, idx.i_block_number );
3568 #endif
3569
3570             i_index++;
3571             if( i_index >= i_index_max )
3572             {
3573                 i_index_max += 1024;
3574                 p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
3575             }
3576 #undef idx
3577         }
3578         else
3579         {
3580             msg_Dbg( &sys.demuxer, " * Unknown (%s)", typeid(*el).name() );
3581         }
3582     }
3583     delete ep;
3584     delete cues;
3585
3586     b_cues = VLC_TRUE;
3587
3588     msg_Dbg( &sys.demuxer, "loading cues done." );
3589     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3590 }
3591
3592 void matroska_segment_c::LoadTags( )
3593 {
3594     int64_t     i_sav_position = es.I_O().getFilePointer();
3595     EbmlParser  *ep;
3596     EbmlElement *el, *tags;
3597
3598     msg_Dbg( &sys.demuxer, "loading tags" );
3599     es.I_O().setFilePointer( i_tags_position, seek_beginning );
3600     tags = es.FindNextID( KaxTags::ClassInfos, 0xFFFFFFFFL);
3601
3602     if( tags == NULL )
3603     {
3604         msg_Err( &sys.demuxer, "cannot load tags (broken seekhead or file)" );
3605         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3606         return;
3607     }
3608
3609     msg_Dbg( &sys.demuxer, "Tags" );
3610     ep = new EbmlParser( &es, tags, &sys.demuxer );
3611     while( ( el = ep->Get() ) != NULL )
3612     {
3613         if( MKV_IS_ID( el, KaxTag ) )
3614         {
3615             msg_Dbg( &sys.demuxer, "+ Tag" );
3616             ep->Down();
3617             while( ( el = ep->Get() ) != NULL )
3618             {
3619                 if( MKV_IS_ID( el, KaxTagTargets ) )
3620                 {
3621                     msg_Dbg( &sys.demuxer, "|   + Targets" );
3622                     ep->Down();
3623                     while( ( el = ep->Get() ) != NULL )
3624                     {
3625                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3626                     }
3627                     ep->Up();
3628                 }
3629                 else if( MKV_IS_ID( el, KaxTagGeneral ) )
3630                 {
3631                     msg_Dbg( &sys.demuxer, "|   + General" );
3632                     ep->Down();
3633                     while( ( el = ep->Get() ) != NULL )
3634                     {
3635                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3636                     }
3637                     ep->Up();
3638                 }
3639                 else if( MKV_IS_ID( el, KaxTagGenres ) )
3640                 {
3641                     msg_Dbg( &sys.demuxer, "|   + Genres" );
3642                     ep->Down();
3643                     while( ( el = ep->Get() ) != NULL )
3644                     {
3645                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3646                     }
3647                     ep->Up();
3648                 }
3649                 else if( MKV_IS_ID( el, KaxTagAudioSpecific ) )
3650                 {
3651                     msg_Dbg( &sys.demuxer, "|   + Audio Specific" );
3652                     ep->Down();
3653                     while( ( el = ep->Get() ) != NULL )
3654                     {
3655                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3656                     }
3657                     ep->Up();
3658                 }
3659                 else if( MKV_IS_ID( el, KaxTagImageSpecific ) )
3660                 {
3661                     msg_Dbg( &sys.demuxer, "|   + Images Specific" );
3662                     ep->Down();
3663                     while( ( el = ep->Get() ) != NULL )
3664                     {
3665                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3666                     }
3667                     ep->Up();
3668                 }
3669                 else if( MKV_IS_ID( el, KaxTagMultiComment ) )
3670                 {
3671                     msg_Dbg( &sys.demuxer, "|   + Multi Comment" );
3672                 }
3673                 else if( MKV_IS_ID( el, KaxTagMultiCommercial ) )
3674                 {
3675                     msg_Dbg( &sys.demuxer, "|   + Multi Commercial" );
3676                 }
3677                 else if( MKV_IS_ID( el, KaxTagMultiDate ) )
3678                 {
3679                     msg_Dbg( &sys.demuxer, "|   + Multi Date" );
3680                 }
3681                 else if( MKV_IS_ID( el, KaxTagMultiEntity ) )
3682                 {
3683                     msg_Dbg( &sys.demuxer, "|   + Multi Entity" );
3684                 }
3685                 else if( MKV_IS_ID( el, KaxTagMultiIdentifier ) )
3686                 {
3687                     msg_Dbg( &sys.demuxer, "|   + Multi Identifier" );
3688                 }
3689                 else if( MKV_IS_ID( el, KaxTagMultiLegal ) )
3690                 {
3691                     msg_Dbg( &sys.demuxer, "|   + Multi Legal" );
3692                 }
3693                 else if( MKV_IS_ID( el, KaxTagMultiTitle ) )
3694                 {
3695                     msg_Dbg( &sys.demuxer, "|   + Multi Title" );
3696                 }
3697                 else
3698                 {
3699                     msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid( *el ).name() );
3700                 }
3701             }
3702             ep->Up();
3703         }
3704         else
3705         {
3706             msg_Dbg( &sys.demuxer, "+ Unknown (%s)", typeid( *el ).name() );
3707         }
3708     }
3709     delete ep;
3710     delete tags;
3711
3712     msg_Dbg( &sys.demuxer, "loading tags done." );
3713     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3714 }
3715
3716 /*****************************************************************************
3717  * ParseSeekHead:
3718  *****************************************************************************/
3719 void matroska_segment_c::ParseSeekHead( KaxSeekHead *seekhead )
3720 {
3721     EbmlElement *el;
3722     size_t i, j;
3723     int i_upper_level = 0;
3724
3725     msg_Dbg( &sys.demuxer, "|   + Seek head" );
3726
3727     /* Master elements */
3728     seekhead->Read( es, seekhead->Generic().Context, i_upper_level, el, true );
3729
3730     for( i = 0; i < seekhead->ListSize(); i++ )
3731     {
3732         EbmlElement *l = (*seekhead)[i];
3733
3734         if( MKV_IS_ID( l, KaxSeek ) )
3735         {
3736             EbmlMaster *sk = static_cast<EbmlMaster *>(l);
3737             EbmlId id = EbmlVoid::ClassInfos.GlobalId;
3738             int64_t i_pos = -1;
3739
3740             for( j = 0; j < sk->ListSize(); j++ )
3741             {
3742                 EbmlElement *l = (*sk)[j];
3743
3744                 if( MKV_IS_ID( l, KaxSeekID ) )
3745                 {
3746                     KaxSeekID &sid = *(KaxSeekID*)l;
3747                     id = EbmlId( sid.GetBuffer(), sid.GetSize() );
3748                 }
3749                 else if( MKV_IS_ID( l, KaxSeekPosition ) )
3750                 {
3751                     KaxSeekPosition &spos = *(KaxSeekPosition*)l;
3752                     i_pos = uint64( spos );
3753                 }
3754                 else
3755                 {
3756                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
3757                 }
3758             }
3759
3760             if( i_pos >= 0 )
3761             {
3762                 if( id == KaxCues::ClassInfos.GlobalId )
3763                 {
3764                     msg_Dbg( &sys.demuxer, "|   |   |   = cues at "I64Fd, i_pos );
3765                     i_cues_position = segment->GetGlobalPosition( i_pos );
3766                 }
3767                 else if( id == KaxChapters::ClassInfos.GlobalId )
3768                 {
3769                     msg_Dbg( &sys.demuxer, "|   |   |   = chapters at "I64Fd, i_pos );
3770                     i_chapters_position = segment->GetGlobalPosition( i_pos );
3771                 }
3772                 else if( id == KaxTags::ClassInfos.GlobalId )
3773                 {
3774                     msg_Dbg( &sys.demuxer, "|   |   |   = tags at "I64Fd, i_pos );
3775                     i_tags_position = segment->GetGlobalPosition( i_pos );
3776                 }
3777             }
3778         }
3779         else
3780         {
3781             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
3782         }
3783     }
3784 }
3785
3786 /*****************************************************************************
3787  * ParseTrackEntry:
3788  *****************************************************************************/
3789 void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
3790 {
3791     size_t i, j, k, n;
3792
3793     mkv_track_t *tk;
3794
3795     msg_Dbg( &sys.demuxer, "|   |   + Track Entry" );
3796
3797     tk = new mkv_track_t();
3798     tracks.push_back( tk );
3799
3800     /* Init the track */
3801     memset( tk, 0, sizeof( mkv_track_t ) );
3802
3803     es_format_Init( &tk->fmt, UNKNOWN_ES, 0 );
3804     tk->fmt.psz_language = strdup("English");
3805     tk->fmt.psz_description = NULL;
3806
3807     tk->b_default = VLC_TRUE;
3808     tk->b_enabled = VLC_TRUE;
3809     tk->b_silent = VLC_FALSE;
3810     tk->i_number = tracks.size() - 1;
3811     tk->i_extra_data = 0;
3812     tk->p_extra_data = NULL;
3813     tk->psz_codec = NULL;
3814     tk->i_default_duration = 0;
3815     tk->f_timecodescale = 1.0;
3816
3817     tk->b_inited = VLC_FALSE;
3818     tk->i_data_init = 0;
3819     tk->p_data_init = NULL;
3820
3821     tk->psz_codec_name = NULL;
3822     tk->psz_codec_settings = NULL;
3823     tk->psz_codec_info_url = NULL;
3824     tk->psz_codec_download_url = NULL;
3825
3826     tk->i_compression_type = MATROSKA_COMPRESSION_NONE;
3827
3828     for( i = 0; i < m->ListSize(); i++ )
3829     {
3830         EbmlElement *l = (*m)[i];
3831
3832         if( MKV_IS_ID( l, KaxTrackNumber ) )
3833         {
3834             KaxTrackNumber &tnum = *(KaxTrackNumber*)l;
3835
3836             tk->i_number = uint32( tnum );
3837             msg_Dbg( &sys.demuxer, "|   |   |   + Track Number=%u", uint32( tnum ) );
3838         }
3839         else  if( MKV_IS_ID( l, KaxTrackUID ) )
3840         {
3841             KaxTrackUID &tuid = *(KaxTrackUID*)l;
3842
3843             msg_Dbg( &sys.demuxer, "|   |   |   + Track UID=%u",  uint32( tuid ) );
3844         }
3845         else  if( MKV_IS_ID( l, KaxTrackType ) )
3846         {
3847             char *psz_type;
3848             KaxTrackType &ttype = *(KaxTrackType*)l;
3849
3850             switch( uint8(ttype) )
3851             {
3852                 case track_audio:
3853                     psz_type = "audio";
3854                     tk->fmt.i_cat = AUDIO_ES;
3855                     break;
3856                 case track_video:
3857                     psz_type = "video";
3858                     tk->fmt.i_cat = VIDEO_ES;
3859                     break;
3860                 case track_subtitle:
3861                     psz_type = "subtitle";
3862                     tk->fmt.i_cat = SPU_ES;
3863                     break;
3864                 case track_buttons:
3865                     psz_type = "buttons";
3866                     tk->fmt.i_cat = SPU_ES;
3867                     break;
3868                 default:
3869                     psz_type = "unknown";
3870                     tk->fmt.i_cat = UNKNOWN_ES;
3871                     break;
3872             }
3873
3874             msg_Dbg( &sys.demuxer, "|   |   |   + Track Type=%s", psz_type );
3875         }
3876 //        else  if( EbmlId( *l ) == KaxTrackFlagEnabled::ClassInfos.GlobalId )
3877 //        {
3878 //            KaxTrackFlagEnabled &fenb = *(KaxTrackFlagEnabled*)l;
3879
3880 //            tk->b_enabled = uint32( fenb );
3881 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Enabled=%u",
3882 //                     uint32( fenb )  );
3883 //        }
3884         else  if( MKV_IS_ID( l, KaxTrackFlagDefault ) )
3885         {
3886             KaxTrackFlagDefault &fdef = *(KaxTrackFlagDefault*)l;
3887
3888             tk->b_default = uint32( fdef );
3889             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default=%u", uint32( fdef )  );
3890         }
3891         else  if( MKV_IS_ID( l, KaxTrackFlagLacing ) )
3892         {
3893             KaxTrackFlagLacing &lac = *(KaxTrackFlagLacing*)l;
3894
3895             msg_Dbg( &sys.demuxer, "|   |   |   + Track Lacing=%d", uint32( lac ) );
3896         }
3897         else  if( MKV_IS_ID( l, KaxTrackMinCache ) )
3898         {
3899             KaxTrackMinCache &cmin = *(KaxTrackMinCache*)l;
3900
3901             msg_Dbg( &sys.demuxer, "|   |   |   + Track MinCache=%d", uint32( cmin ) );
3902         }
3903         else  if( MKV_IS_ID( l, KaxTrackMaxCache ) )
3904         {
3905             KaxTrackMaxCache &cmax = *(KaxTrackMaxCache*)l;
3906
3907             msg_Dbg( &sys.demuxer, "|   |   |   + Track MaxCache=%d", uint32( cmax ) );
3908         }
3909         else  if( MKV_IS_ID( l, KaxTrackDefaultDuration ) )
3910         {
3911             KaxTrackDefaultDuration &defd = *(KaxTrackDefaultDuration*)l;
3912
3913             tk->i_default_duration = uint64(defd);
3914             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default Duration="I64Fd, uint64(defd) );
3915         }
3916         else  if( MKV_IS_ID( l, KaxTrackTimecodeScale ) )
3917         {
3918             KaxTrackTimecodeScale &ttcs = *(KaxTrackTimecodeScale*)l;
3919
3920             tk->f_timecodescale = float( ttcs );
3921             msg_Dbg( &sys.demuxer, "|   |   |   + Track TimeCodeScale=%f", tk->f_timecodescale );
3922         }
3923         else if( MKV_IS_ID( l, KaxTrackName ) )
3924         {
3925             KaxTrackName &tname = *(KaxTrackName*)l;
3926
3927             tk->fmt.psz_description = UTF8ToStr( UTFstring( tname ) );
3928             msg_Dbg( &sys.demuxer, "|   |   |   + Track Name=%s", tk->fmt.psz_description );
3929         }
3930         else  if( MKV_IS_ID( l, KaxTrackLanguage ) )
3931         {
3932             KaxTrackLanguage &lang = *(KaxTrackLanguage*)l;
3933
3934             tk->fmt.psz_language = strdup( string( lang ).c_str() );
3935             msg_Dbg( &sys.demuxer,
3936                      "|   |   |   + Track Language=`%s'", tk->fmt.psz_language );
3937         }
3938         else  if( MKV_IS_ID( l, KaxCodecID ) )
3939         {
3940             KaxCodecID &codecid = *(KaxCodecID*)l;
3941
3942             tk->psz_codec = strdup( string( codecid ).c_str() );
3943             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecId=%s", string( codecid ).c_str() );
3944         }
3945         else  if( MKV_IS_ID( l, KaxCodecPrivate ) )
3946         {
3947             KaxCodecPrivate &cpriv = *(KaxCodecPrivate*)l;
3948
3949             tk->i_extra_data = cpriv.GetSize();
3950             if( tk->i_extra_data > 0 )
3951             {
3952                 tk->p_extra_data = (uint8_t*)malloc( tk->i_extra_data );
3953                 memcpy( tk->p_extra_data, cpriv.GetBuffer(), tk->i_extra_data );
3954             }
3955             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecPrivate size="I64Fd, cpriv.GetSize() );
3956         }
3957         else if( MKV_IS_ID( l, KaxCodecName ) )
3958         {
3959             KaxCodecName &cname = *(KaxCodecName*)l;
3960
3961             tk->psz_codec_name = UTF8ToStr( UTFstring( cname ) );
3962             msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Name=%s", tk->psz_codec_name );
3963         }
3964         else if( MKV_IS_ID( l, KaxContentEncodings ) )
3965         {
3966             EbmlMaster *cencs = static_cast<EbmlMaster*>(l);
3967             MkvTree( sys.demuxer, 3, "Content Encodings" );
3968             for( j = 0; j < cencs->ListSize(); j++ )
3969             {
3970                 EbmlElement *l2 = (*cencs)[j];
3971                 if( MKV_IS_ID( l2, KaxContentEncoding ) )
3972                 {
3973                     MkvTree( sys.demuxer, 4, "Content Encoding" );
3974                     EbmlMaster *cenc = static_cast<EbmlMaster*>(l2);
3975                     for( k = 0; k < cenc->ListSize(); k++ )
3976                     {
3977                         EbmlElement *l3 = (*cenc)[k];
3978                         if( MKV_IS_ID( l3, KaxContentEncodingOrder ) )
3979                         {
3980                             KaxContentEncodingOrder &encord = *(KaxContentEncodingOrder*)l3;
3981                             MkvTree( sys.demuxer, 5, "Order: %i", uint32( encord ) );
3982                         }
3983                         else if( MKV_IS_ID( l3, KaxContentEncodingScope ) )
3984                         {
3985                             KaxContentEncodingScope &encscope = *(KaxContentEncodingScope*)l3;
3986                             MkvTree( sys.demuxer, 5, "Scope: %i", uint32( encscope ) );
3987                         }
3988                         else if( MKV_IS_ID( l3, KaxContentEncodingType ) )
3989                         {
3990                             KaxContentEncodingType &enctype = *(KaxContentEncodingType*)l3;
3991                             MkvTree( sys.demuxer, 5, "Type: %i", uint32( enctype ) );
3992                         }
3993                         else if( MKV_IS_ID( l3, KaxContentCompression ) )
3994                         {
3995                             EbmlMaster *compr = static_cast<EbmlMaster*>(l3);
3996                             MkvTree( sys.demuxer, 5, "Content Compression" );
3997                             for( n = 0; n < compr->ListSize(); n++ )
3998                             {
3999                                 EbmlElement *l4 = (*compr)[n];
4000                                 if( MKV_IS_ID( l4, KaxContentCompAlgo ) )
4001                                 {
4002                                     KaxContentCompAlgo &compalg = *(KaxContentCompAlgo*)l4;
4003                                     MkvTree( sys.demuxer, 6, "Compression Algorithm: %i", uint32(compalg) );
4004                                     if( uint32( compalg ) == 0 )
4005                                     {
4006                                         tk->i_compression_type = MATROSKA_COMPRESSION_ZLIB;
4007                                     }
4008                                 }
4009                                 else
4010                                 {
4011                                     MkvTree( sys.demuxer, 6, "Unknown (%s)", typeid(*l4).name() );
4012                                 }
4013                             }
4014                         }
4015
4016                         else
4017                         {
4018                             MkvTree( sys.demuxer, 5, "Unknown (%s)", typeid(*l3).name() );
4019                         }
4020                     }
4021
4022                 }
4023                 else
4024                 {
4025                     MkvTree( sys.demuxer, 4, "Unknown (%s)", typeid(*l2).name() );
4026                 }
4027             }
4028
4029         }
4030 //        else if( EbmlId( *l ) == KaxCodecSettings::ClassInfos.GlobalId )
4031 //        {
4032 //            KaxCodecSettings &cset = *(KaxCodecSettings*)l;
4033
4034 //            tk->psz_codec_settings = UTF8ToStr( UTFstring( cset ) );
4035 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Settings=%s", tk->psz_codec_settings );
4036 //        }
4037 //        else if( EbmlId( *l ) == KaxCodecInfoURL::ClassInfos.GlobalId )
4038 //        {
4039 //            KaxCodecInfoURL &ciurl = *(KaxCodecInfoURL*)l;
4040
4041 //            tk->psz_codec_info_url = strdup( string( ciurl ).c_str() );
4042 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_info_url );
4043 //        }
4044 //        else if( EbmlId( *l ) == KaxCodecDownloadURL::ClassInfos.GlobalId )
4045 //        {
4046 //            KaxCodecDownloadURL &cdurl = *(KaxCodecDownloadURL*)l;
4047
4048 //            tk->psz_codec_download_url = strdup( string( cdurl ).c_str() );
4049 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_download_url );
4050 //        }
4051 //        else if( EbmlId( *l ) == KaxCodecDecodeAll::ClassInfos.GlobalId )
4052 //        {
4053 //            KaxCodecDecodeAll &cdall = *(KaxCodecDecodeAll*)l;
4054
4055 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Decode All=%u <== UNUSED", uint8( cdall ) );
4056 //        }
4057 //        else if( EbmlId( *l ) == KaxTrackOverlay::ClassInfos.GlobalId )
4058 //        {
4059 //            KaxTrackOverlay &tovr = *(KaxTrackOverlay*)l;
4060
4061 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Overlay=%u <== UNUSED", uint32( tovr ) );
4062 //        }
4063         else  if( MKV_IS_ID( l, KaxTrackVideo ) )
4064         {
4065             EbmlMaster *tkv = static_cast<EbmlMaster*>(l);
4066             unsigned int j;
4067
4068             msg_Dbg( &sys.demuxer, "|   |   |   + Track Video" );
4069             tk->f_fps = 0.0;
4070
4071             for( j = 0; j < tkv->ListSize(); j++ )
4072             {
4073                 EbmlElement *l = (*tkv)[j];
4074 //                if( EbmlId( *el4 ) == KaxVideoFlagInterlaced::ClassInfos.GlobalId )
4075 //                {
4076 //                    KaxVideoFlagInterlaced &fint = *(KaxVideoFlagInterlaced*)el4;
4077
4078 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Interlaced=%u", uint8( fint ) );
4079 //                }
4080 //                else if( EbmlId( *el4 ) == KaxVideoStereoMode::ClassInfos.GlobalId )
4081 //                {
4082 //                    KaxVideoStereoMode &stereo = *(KaxVideoStereoMode*)el4;
4083
4084 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Stereo Mode=%u", uint8( stereo ) );
4085 //                }
4086 //                else
4087                 if( MKV_IS_ID( l, KaxVideoPixelWidth ) )
4088                 {
4089                     KaxVideoPixelWidth &vwidth = *(KaxVideoPixelWidth*)l;
4090
4091                     tk->fmt.video.i_width = uint16( vwidth );
4092                     msg_Dbg( &sys.demuxer, "|   |   |   |   + width=%d", uint16( vwidth ) );
4093                 }
4094                 else if( MKV_IS_ID( l, KaxVideoPixelHeight ) )
4095                 {
4096                     KaxVideoPixelWidth &vheight = *(KaxVideoPixelWidth*)l;
4097
4098                     tk->fmt.video.i_height = uint16( vheight );
4099                     msg_Dbg( &sys.demuxer, "|   |   |   |   + height=%d", uint16( vheight ) );
4100                 }
4101                 else if( MKV_IS_ID( l, KaxVideoDisplayWidth ) )
4102                 {
4103                     KaxVideoDisplayWidth &vwidth = *(KaxVideoDisplayWidth*)l;
4104
4105                     tk->fmt.video.i_visible_width = uint16( vwidth );
4106                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display width=%d", uint16( vwidth ) );
4107                 }
4108                 else if( MKV_IS_ID( l, KaxVideoDisplayHeight ) )
4109                 {
4110                     KaxVideoDisplayWidth &vheight = *(KaxVideoDisplayWidth*)l;
4111
4112                     tk->fmt.video.i_visible_height = uint16( vheight );
4113                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display height=%d", uint16( vheight ) );
4114                 }
4115                 else if( MKV_IS_ID( l, KaxVideoFrameRate ) )
4116                 {
4117                     KaxVideoFrameRate &vfps = *(KaxVideoFrameRate*)l;
4118
4119                     tk->f_fps = float( vfps );
4120                     msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( vfps ) );
4121                 }
4122 //                else if( EbmlId( *l ) == KaxVideoDisplayUnit::ClassInfos.GlobalId )
4123 //                {
4124 //                     KaxVideoDisplayUnit &vdmode = *(KaxVideoDisplayUnit*)l;
4125
4126 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Display Unit=%s",
4127 //                             uint8( vdmode ) == 0 ? "pixels" : ( uint8( vdmode ) == 1 ? "centimeters": "inches" ) );
4128 //                }
4129 //                else if( EbmlId( *l ) == KaxVideoAspectRatio::ClassInfos.GlobalId )
4130 //                {
4131 //                    KaxVideoAspectRatio &ratio = *(KaxVideoAspectRatio*)l;
4132
4133 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + Track Video Aspect Ratio Type=%u", uint8( ratio ) );
4134 //                }
4135 //                else if( EbmlId( *l ) == KaxVideoGamma::ClassInfos.GlobalId )
4136 //                {
4137 //                    KaxVideoGamma &gamma = *(KaxVideoGamma*)l;
4138
4139 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( gamma ) );
4140 //                }
4141                 else
4142                 {
4143                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4144                 }
4145             }
4146             if ( tk->fmt.video.i_visible_height && tk->fmt.video.i_visible_width )
4147                 tk->fmt.video.i_aspect = VOUT_ASPECT_FACTOR * tk->fmt.video.i_visible_width / tk->fmt.video.i_visible_height;
4148             if( tk->f_fps )
4149             {
4150                 tk->fmt.video.i_frame_rate = (unsigned int)(tk->f_fps * 1001);
4151                 tk->fmt.video.i_frame_rate_base = 1001;
4152             }
4153         }
4154         else  if( MKV_IS_ID( l, KaxTrackAudio ) )
4155         {
4156             EbmlMaster *tka = static_cast<EbmlMaster*>(l);
4157             unsigned int j;
4158
4159             msg_Dbg( &sys.demuxer, "|   |   |   + Track Audio" );
4160
4161             for( j = 0; j < tka->ListSize(); j++ )
4162             {
4163                 EbmlElement *l = (*tka)[j];
4164
4165                 if( MKV_IS_ID( l, KaxAudioSamplingFreq ) )
4166                 {
4167                     KaxAudioSamplingFreq &afreq = *(KaxAudioSamplingFreq*)l;
4168
4169                     tk->fmt.audio.i_rate = (int)float( afreq );
4170                     msg_Dbg( &sys.demuxer, "|   |   |   |   + afreq=%d", tk->fmt.audio.i_rate );
4171                 }
4172                 else if( MKV_IS_ID( l, KaxAudioChannels ) )
4173                 {
4174                     KaxAudioChannels &achan = *(KaxAudioChannels*)l;
4175
4176                     tk->fmt.audio.i_channels = uint8( achan );
4177                     msg_Dbg( &sys.demuxer, "|   |   |   |   + achan=%u", uint8( achan ) );
4178                 }
4179                 else if( MKV_IS_ID( l, KaxAudioBitDepth ) )
4180                 {
4181                     KaxAudioBitDepth &abits = *(KaxAudioBitDepth*)l;
4182
4183                     tk->fmt.audio.i_bitspersample = uint8( abits );
4184                     msg_Dbg( &sys.demuxer, "|   |   |   |   + abits=%u", uint8( abits ) );
4185                 }
4186                 else
4187                 {
4188                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4189                 }
4190             }
4191         }
4192         else
4193         {
4194             msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)",
4195                      typeid(*l).name() );
4196         }
4197     }
4198 }
4199
4200 /*****************************************************************************
4201  * ParseTracks:
4202  *****************************************************************************/
4203 void matroska_segment_c::ParseTracks( KaxTracks *tracks )
4204 {
4205     EbmlElement *el;
4206     unsigned int i;
4207     int i_upper_level = 0;
4208
4209     msg_Dbg( &sys.demuxer, "|   + Tracks" );
4210
4211     /* Master elements */
4212     tracks->Read( es, tracks->Generic().Context, i_upper_level, el, true );
4213
4214     for( i = 0; i < tracks->ListSize(); i++ )
4215     {
4216         EbmlElement *l = (*tracks)[i];
4217
4218         if( MKV_IS_ID( l, KaxTrackEntry ) )
4219         {
4220             ParseTrackEntry( static_cast<KaxTrackEntry *>(l) );
4221         }
4222         else
4223         {
4224             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4225         }
4226     }
4227 }
4228
4229 /*****************************************************************************
4230  * ParseInfo:
4231  *****************************************************************************/
4232 void matroska_segment_c::ParseInfo( KaxInfo *info )
4233 {
4234     EbmlElement *el;
4235     EbmlMaster  *m;
4236     size_t i, j;
4237     int i_upper_level = 0;
4238
4239     msg_Dbg( &sys.demuxer, "|   + Information" );
4240
4241     /* Master elements */
4242     m = static_cast<EbmlMaster *>(info);
4243     m->Read( es, info->Generic().Context, i_upper_level, el, true );
4244
4245     for( i = 0; i < m->ListSize(); i++ )
4246     {
4247         EbmlElement *l = (*m)[i];
4248
4249         if( MKV_IS_ID( l, KaxSegmentUID ) )
4250         {
4251             p_segment_uid = new KaxSegmentUID(*static_cast<KaxSegmentUID*>(l));
4252
4253             msg_Dbg( &sys.demuxer, "|   |   + UID=%d", *(uint32*)p_segment_uid->GetBuffer() );
4254         }
4255         else if( MKV_IS_ID( l, KaxPrevUID ) )
4256         {
4257             p_prev_segment_uid = new KaxPrevUID(*static_cast<KaxPrevUID*>(l));
4258
4259             msg_Dbg( &sys.demuxer, "|   |   + PrevUID=%d", *(uint32*)p_prev_segment_uid->GetBuffer() );
4260         }
4261         else if( MKV_IS_ID( l, KaxNextUID ) )
4262         {
4263             p_next_segment_uid = new KaxNextUID(*static_cast<KaxNextUID*>(l));
4264
4265             msg_Dbg( &sys.demuxer, "|   |   + NextUID=%d", *(uint32*)p_next_segment_uid->GetBuffer() );
4266         }
4267         else if( MKV_IS_ID( l, KaxTimecodeScale ) )
4268         {
4269             KaxTimecodeScale &tcs = *(KaxTimecodeScale*)l;
4270
4271             i_timescale = uint64(tcs);
4272
4273             msg_Dbg( &sys.demuxer, "|   |   + TimecodeScale="I64Fd,
4274                      i_timescale );
4275         }
4276         else if( MKV_IS_ID( l, KaxDuration ) )
4277         {
4278             KaxDuration &dur = *(KaxDuration*)l;
4279
4280             i_duration = mtime_t( double( dur ) );
4281
4282             msg_Dbg( &sys.demuxer, "|   |   + Duration="I64Fd,
4283                      i_duration );
4284         }
4285         else if( MKV_IS_ID( l, KaxMuxingApp ) )
4286         {
4287             KaxMuxingApp &mapp = *(KaxMuxingApp*)l;
4288
4289             psz_muxing_application = UTF8ToStr( UTFstring( mapp ) );
4290
4291             msg_Dbg( &sys.demuxer, "|   |   + Muxing Application=%s",
4292                      psz_muxing_application );
4293         }
4294         else if( MKV_IS_ID( l, KaxWritingApp ) )
4295         {
4296             KaxWritingApp &wapp = *(KaxWritingApp*)l;
4297
4298             psz_writing_application = UTF8ToStr( UTFstring( wapp ) );
4299
4300             msg_Dbg( &sys.demuxer, "|   |   + Writing Application=%s",
4301                      psz_writing_application );
4302         }
4303         else if( MKV_IS_ID( l, KaxSegmentFilename ) )
4304         {
4305             KaxSegmentFilename &sfn = *(KaxSegmentFilename*)l;
4306
4307             psz_segment_filename = UTF8ToStr( UTFstring( sfn ) );
4308
4309             msg_Dbg( &sys.demuxer, "|   |   + Segment Filename=%s",
4310                      psz_segment_filename );
4311         }
4312         else if( MKV_IS_ID( l, KaxTitle ) )
4313         {
4314             KaxTitle &title = *(KaxTitle*)l;
4315
4316             psz_title = UTF8ToStr( UTFstring( title ) );
4317
4318             msg_Dbg( &sys.demuxer, "|   |   + Title=%s", psz_title );
4319         }
4320         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
4321         {
4322             KaxSegmentFamily *uid = static_cast<KaxSegmentFamily*>(l);
4323
4324             families.push_back(*uid);
4325
4326             msg_Dbg( &sys.demuxer, "|   |   + family=%d", *(uint32*)uid->GetBuffer() );
4327         }
4328 #if defined( HAVE_GMTIME_R ) && !defined( SYS_DARWIN )
4329         else if( MKV_IS_ID( l, KaxDateUTC ) )
4330         {
4331             KaxDateUTC &date = *(KaxDateUTC*)l;
4332             time_t i_date;
4333             struct tm tmres;
4334             char   buffer[256];
4335
4336             i_date = date.GetEpochDate();
4337             memset( buffer, 0, 256 );
4338             if( gmtime_r( &i_date, &tmres ) &&
4339                 asctime_r( &tmres, buffer ) )
4340             {
4341                 buffer[strlen( buffer)-1]= '\0';
4342                 psz_date_utc = strdup( buffer );
4343                 msg_Dbg( &sys.demuxer, "|   |   + Date=%s", psz_date_utc );
4344             }
4345         }
4346 #endif
4347 #if LIBMATROSKA_VERSION >= 0x000704
4348         else if( MKV_IS_ID( l, KaxChapterTranslate ) )
4349         {
4350             KaxChapterTranslate *p_trans = static_cast<KaxChapterTranslate*>( l );
4351             chapter_translation_c *p_translate = new chapter_translation_c();
4352
4353             p_trans->Read( es, p_trans->Generic().Context, i_upper_level, el, true );
4354             for( j = 0; j < p_trans->ListSize(); j++ )
4355             {
4356                 EbmlElement *l = (*p_trans)[j];
4357
4358                 if( MKV_IS_ID( l, KaxChapterTranslateEditionUID ) )
4359                 {
4360                     p_translate->editions.push_back( uint64( *static_cast<KaxChapterTranslateEditionUID*>( l ) ) );
4361                 }
4362                 else if( MKV_IS_ID( l, KaxChapterTranslateCodec ) )
4363                 {
4364                     p_translate->codec_id = uint32( *static_cast<KaxChapterTranslateCodec*>( l ) );
4365                 }
4366                 else if( MKV_IS_ID( l, KaxChapterTranslateID ) )
4367                 {
4368                     p_translate->p_translated = new KaxChapterTranslateID( *static_cast<KaxChapterTranslateID*>( l ) );
4369                 }
4370             }
4371
4372             translations.push_back( p_translate );
4373         }
4374 #endif
4375         else
4376         {
4377             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4378         }
4379     }
4380
4381     double f_dur = double(i_duration) * double(i_timescale) / 1000000.0;
4382     i_duration = mtime_t(f_dur);
4383 }
4384
4385
4386 /*****************************************************************************
4387  * ParseChapterAtom
4388  *****************************************************************************/
4389 void matroska_segment_c::ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters )
4390 {
4391     size_t i, j;
4392
4393     msg_Dbg( &sys.demuxer, "|   |   |   + ChapterAtom (level=%d)", i_level );
4394     for( i = 0; i < ca->ListSize(); i++ )
4395     {
4396         EbmlElement *l = (*ca)[i];
4397
4398         if( MKV_IS_ID( l, KaxChapterUID ) )
4399         {
4400             chapters.i_uid = uint64_t(*(KaxChapterUID*)l);
4401             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterUID: %lld", chapters.i_uid );
4402         }
4403         else if( MKV_IS_ID( l, KaxChapterFlagHidden ) )
4404         {
4405             KaxChapterFlagHidden &flag =*(KaxChapterFlagHidden*)l;
4406             chapters.b_display_seekpoint = uint8( flag ) == 0;
4407
4408             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterFlagHidden: %s", chapters.b_display_seekpoint ? "no":"yes" );
4409         }
4410         else if( MKV_IS_ID( l, KaxChapterTimeStart ) )
4411         {
4412             KaxChapterTimeStart &start =*(KaxChapterTimeStart*)l;
4413             chapters.i_start_time = uint64( start ) / I64C(1000);
4414
4415             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeStart: %lld", chapters.i_start_time );
4416         }
4417         else if( MKV_IS_ID( l, KaxChapterTimeEnd ) )
4418         {
4419             KaxChapterTimeEnd &end =*(KaxChapterTimeEnd*)l;
4420             chapters.i_end_time = uint64( end ) / I64C(1000);
4421
4422             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeEnd: %lld", chapters.i_end_time );
4423         }
4424         else if( MKV_IS_ID( l, KaxChapterDisplay ) )
4425         {
4426             EbmlMaster *cd = static_cast<EbmlMaster *>(l);
4427
4428             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterDisplay" );
4429             for( j = 0; j < cd->ListSize(); j++ )
4430             {
4431                 EbmlElement *l= (*cd)[j];
4432
4433                 if( MKV_IS_ID( l, KaxChapterString ) )
4434                 {
4435                     int k;
4436
4437                     KaxChapterString &name =*(KaxChapterString*)l;
4438                     for (k = 0; k < i_level; k++)
4439                         chapters.psz_name += '+';
4440                     chapters.psz_name += ' ';
4441                     chapters.psz_name += UTF8ToStr( UTFstring( name ) );
4442                     chapters.b_user_display = true;
4443
4444                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterString '%s'", UTF8ToStr(UTFstring(name)) );
4445                 }
4446                 else if( MKV_IS_ID( l, KaxChapterLanguage ) )
4447                 {
4448                     KaxChapterLanguage &lang =*(KaxChapterLanguage*)l;
4449                     const char *psz = string( lang ).c_str();
4450
4451                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterLanguage '%s'", psz );
4452                 }
4453                 else if( MKV_IS_ID( l, KaxChapterCountry ) )
4454                 {
4455                     KaxChapterCountry &ct =*(KaxChapterCountry*)l;
4456                     const char *psz = string( ct ).c_str();
4457
4458                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterCountry '%s'", psz );
4459                 }
4460             }
4461         }
4462         else if( MKV_IS_ID( l, KaxChapterProcess ) )
4463         {
4464             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterProcess" );
4465
4466             KaxChapterProcess *cp = static_cast<KaxChapterProcess *>(l);
4467             chapter_codec_cmds_c *p_ccodec = NULL;
4468
4469             for( j = 0; j < cp->ListSize(); j++ )
4470             {
4471                 EbmlElement *k= (*cp)[j];
4472
4473                 if( MKV_IS_ID( k, KaxChapterProcessCodecID ) )
4474                 {
4475                     KaxChapterProcessCodecID *p_codec_id = static_cast<KaxChapterProcessCodecID*>( k );
4476                     if ( uint32(*p_codec_id) == 0 )
4477                         p_ccodec = new matroska_script_codec_c( sys );
4478                     else if ( uint32(*p_codec_id) == 1 )
4479                         p_ccodec = new dvd_chapter_codec_c( sys );
4480                     break;
4481                 }
4482             }
4483
4484             if ( p_ccodec != NULL )
4485             {
4486                 for( j = 0; j < cp->ListSize(); j++ )
4487                 {
4488                     EbmlElement *k= (*cp)[j];
4489
4490                     if( MKV_IS_ID( k, KaxChapterProcessPrivate ) )
4491                     {
4492                         KaxChapterProcessPrivate * p_private = static_cast<KaxChapterProcessPrivate*>( k );
4493                         p_ccodec->SetPrivate( *p_private );
4494                     }
4495                     else if( MKV_IS_ID( k, KaxChapterProcessCommand ) )
4496                     {
4497                         p_ccodec->AddCommand( *static_cast<KaxChapterProcessCommand*>( k ) );
4498                     }
4499                 }
4500                 chapters.codecs.push_back( p_ccodec );
4501             }
4502         }
4503         else if( MKV_IS_ID( l, KaxChapterAtom ) )
4504         {
4505             chapter_item_c *new_sub_chapter = new chapter_item_c();
4506             ParseChapterAtom( i_level+1, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4507             new_sub_chapter->psz_parent = &chapters;
4508             chapters.sub_chapters.push_back( new_sub_chapter );
4509         }
4510     }
4511 }
4512
4513 /*****************************************************************************
4514  * ParseChapters:
4515  *****************************************************************************/
4516 void matroska_segment_c::ParseChapters( KaxChapters *chapters )
4517 {
4518     EbmlElement *el;
4519     size_t i;
4520     int i_upper_level = 0;
4521     mtime_t i_dur;
4522
4523     /* Master elements */
4524     chapters->Read( es, chapters->Generic().Context, i_upper_level, el, true );
4525
4526     for( i = 0; i < chapters->ListSize(); i++ )
4527     {
4528         EbmlElement *l = (*chapters)[i];
4529
4530         if( MKV_IS_ID( l, KaxEditionEntry ) )
4531         {
4532             chapter_edition_c *p_edition = new chapter_edition_c();
4533
4534             EbmlMaster *E = static_cast<EbmlMaster *>(l );
4535             size_t j;
4536             msg_Dbg( &sys.demuxer, "|   |   + EditionEntry" );
4537             for( j = 0; j < E->ListSize(); j++ )
4538             {
4539                 EbmlElement *l = (*E)[j];
4540
4541                 if( MKV_IS_ID( l, KaxChapterAtom ) )
4542                 {
4543                     chapter_item_c *new_sub_chapter = new chapter_item_c();
4544                     ParseChapterAtom( 0, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4545                     p_edition->sub_chapters.push_back( new_sub_chapter );
4546                 }
4547                 else if( MKV_IS_ID( l, KaxEditionUID ) )
4548                 {
4549                     p_edition->i_uid = uint64(*static_cast<KaxEditionUID *>( l ));
4550                 }
4551                 else if( MKV_IS_ID( l, KaxEditionFlagOrdered ) )
4552                 {
4553                     p_edition->b_ordered = config_GetInt( &sys.demuxer, "mkv-use-ordered-chapters" ) ? (uint8(*static_cast<KaxEditionFlagOrdered *>( l )) != 0) : 0;
4554                 }
4555                 else if( MKV_IS_ID( l, KaxEditionFlagDefault ) )
4556                 {
4557                     if (uint8(*static_cast<KaxEditionFlagDefault *>( l )) != 0)
4558                         i_default_edition = stored_editions.size();
4559                 }
4560                 else
4561                 {
4562                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
4563                 }
4564             }
4565             stored_editions.push_back( p_edition );
4566         }
4567         else
4568         {
4569             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4570         }
4571     }
4572
4573     for( i = 0; i < stored_editions.size(); i++ )
4574     {
4575         stored_editions[i]->RefreshChapters( );
4576     }
4577
4578     if ( stored_editions.size() != 0 && stored_editions[i_default_edition]->b_ordered )
4579     {
4580         /* update the duration of the segment according to the sum of all sub chapters */
4581         i_dur = stored_editions[i_default_edition]->Duration() / I64C(1000);
4582         if (i_dur > 0)
4583             i_duration = i_dur;
4584     }
4585 }
4586
4587 void matroska_segment_c::ParseCluster( )
4588 {
4589     EbmlElement *el;
4590     EbmlMaster  *m;
4591     unsigned int i;
4592     int i_upper_level = 0;
4593
4594     /* Master elements */
4595     m = static_cast<EbmlMaster *>( cluster );
4596     m->Read( es, cluster->Generic().Context, i_upper_level, el, true );
4597
4598     for( i = 0; i < m->ListSize(); i++ )
4599     {
4600         EbmlElement *l = (*m)[i];
4601
4602         if( MKV_IS_ID( l, KaxClusterTimecode ) )
4603         {
4604             KaxClusterTimecode &ctc = *(KaxClusterTimecode*)l;
4605
4606             cluster->InitTimecode( uint64( ctc ), i_timescale );
4607             break;
4608         }
4609     }
4610
4611     i_start_time = cluster->GlobalTimecode() / 1000;
4612 }
4613
4614 /*****************************************************************************
4615  * InformationCreate:
4616  *****************************************************************************/
4617 void matroska_segment_c::InformationCreate( )
4618 {
4619     size_t      i_track;
4620
4621     sys.meta = vlc_meta_New();
4622
4623     if( psz_title )
4624     {
4625         vlc_meta_Add( sys.meta, VLC_META_TITLE, psz_title );
4626     }
4627     if( psz_date_utc )
4628     {
4629         vlc_meta_Add( sys.meta, VLC_META_DATE, psz_date_utc );
4630     }
4631     if( psz_segment_filename )
4632     {
4633         vlc_meta_Add( sys.meta, _("Segment filename"), psz_segment_filename );
4634     }
4635     if( psz_muxing_application )
4636     {
4637         vlc_meta_Add( sys.meta, _("Muxing application"), psz_muxing_application );
4638     }
4639     if( psz_writing_application )
4640     {
4641         vlc_meta_Add( sys.meta, _("Writing application"), psz_writing_application );
4642     }
4643
4644     for( i_track = 0; i_track < tracks.size(); i_track++ )
4645     {
4646         mkv_track_t *tk = tracks[i_track];
4647         vlc_meta_t *mtk = vlc_meta_New();
4648
4649         sys.meta->track = (vlc_meta_t**)realloc( sys.meta->track,
4650                                                     sizeof( vlc_meta_t * ) * ( sys.meta->i_track + 1 ) );
4651         sys.meta->track[sys.meta->i_track++] = mtk;
4652
4653         if( tk->fmt.psz_description )
4654         {
4655             vlc_meta_Add( sys.meta, VLC_META_DESCRIPTION, tk->fmt.psz_description );
4656         }
4657         if( tk->psz_codec_name )
4658         {
4659             vlc_meta_Add( sys.meta, VLC_META_CODEC_NAME, tk->psz_codec_name );
4660         }
4661         if( tk->psz_codec_settings )
4662         {
4663             vlc_meta_Add( sys.meta, VLC_META_SETTING, tk->psz_codec_settings );
4664         }
4665         if( tk->psz_codec_info_url )
4666         {
4667             vlc_meta_Add( sys.meta, VLC_META_CODEC_DESCRIPTION, tk->psz_codec_info_url );
4668         }
4669         if( tk->psz_codec_download_url )
4670         {
4671             vlc_meta_Add( sys.meta, VLC_META_URL, tk->psz_codec_download_url );
4672         }
4673     }
4674
4675     if( i_tags_position >= 0 )
4676     {
4677         vlc_bool_t b_seekable;
4678
4679         stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
4680         if( b_seekable )
4681         {
4682             LoadTags( );
4683         }
4684     }
4685 }
4686
4687
4688 /*****************************************************************************
4689  * Divers
4690  *****************************************************************************/
4691
4692 void matroska_segment_c::IndexAppendCluster( KaxCluster *cluster )
4693 {
4694 #define idx p_indexes[i_index]
4695     idx.i_track       = -1;
4696     idx.i_block_number= -1;
4697     idx.i_position    = cluster->GetElementPosition();
4698     idx.i_time        = -1;
4699     idx.b_key         = VLC_TRUE;
4700
4701     i_index++;
4702     if( i_index >= i_index_max )
4703     {
4704         i_index_max += 1024;
4705         p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
4706     }
4707 #undef idx
4708 }
4709
4710 static char * UTF8ToStr( const UTFstring &u )
4711 {
4712     int     i_src;
4713     const wchar_t *src;
4714     char *dst, *p;
4715
4716     i_src = u.length();
4717     src   = u.c_str();
4718
4719     p = dst = (char*)malloc( i_src + 1);
4720     while( i_src > 0 )
4721     {
4722         if( *src < 255 )
4723         {
4724             *p++ = (char)*src;
4725         }
4726         else
4727         {
4728             *p++ = '?';
4729         }
4730         src++;
4731         i_src--;
4732     }
4733     *p++= '\0';
4734
4735     return dst;
4736 }
4737
4738 void chapter_edition_c::RefreshChapters( )
4739 {
4740     chapter_item_c::RefreshChapters( b_ordered, -1 );
4741     b_display_seekpoint = false;
4742 }
4743
4744 int64_t chapter_item_c::RefreshChapters( bool b_ordered, int64_t i_prev_user_time )
4745 {
4746     int64_t i_user_time = i_prev_user_time;
4747
4748     // first the sub-chapters, and then ourself
4749     std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
4750     while ( index != sub_chapters.end() )
4751     {
4752         i_user_time = (*index)->RefreshChapters( b_ordered, i_user_time );
4753         index++;
4754     }
4755
4756     if ( b_ordered )
4757     {
4758         // the ordered chapters always start at zero
4759         if ( i_prev_user_time == -1 )
4760         {
4761             if ( i_user_time == -1 )
4762                 i_user_time = 0;
4763             i_prev_user_time = 0;
4764         }
4765
4766         i_user_start_time = i_prev_user_time;
4767         if ( i_end_time != -1 && i_user_time == i_prev_user_time )
4768         {
4769             i_user_end_time = i_user_start_time - i_start_time + i_end_time;
4770         }
4771         else
4772         {
4773             i_user_end_time = i_user_time;
4774         }
4775     }
4776     else
4777     {
4778         std::sort( sub_chapters.begin(), sub_chapters.end() );
4779         i_user_start_time = i_start_time;
4780         if ( i_end_time != -1 )
4781             i_user_end_time = i_end_time;
4782         else if ( i_user_time != -1 )
4783             i_user_end_time = i_user_time;
4784         else
4785             i_user_end_time = i_user_start_time;
4786     }
4787
4788     return i_user_end_time;
4789 }
4790
4791 mtime_t chapter_edition_c::Duration() const
4792 {
4793     mtime_t i_result = 0;
4794
4795     if ( sub_chapters.size() )
4796     {
4797         std::vector<chapter_item_c*>::const_iterator index = sub_chapters.end();
4798         index--;
4799         i_result = (*index)->i_user_end_time;
4800     }
4801
4802     return i_result;
4803 }
4804
4805 chapter_item_c * chapter_edition_c::FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current )
4806 {
4807     if ( !b_ordered )
4808         p_current = NULL;
4809     bool b_found_current = false;
4810     return chapter_item_c::FindTimecode( i_timecode, p_current, b_found_current );
4811 }
4812
4813 chapter_item_c *chapter_item_c::FindTimecode( mtime_t i_user_timecode, const chapter_item_c * p_current, bool & b_found )
4814 {
4815     chapter_item_c *psz_result = NULL;
4816
4817     if ( p_current == this )
4818         b_found = true;
4819
4820     if ( i_user_timecode >= i_user_start_time &&
4821         ( i_user_timecode < i_user_end_time ||
4822           ( i_user_start_time == i_user_end_time && i_user_timecode == i_user_end_time )))
4823     {
4824         std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
4825         while ( index != sub_chapters.end() && ((p_current == NULL && psz_result == NULL) || (p_current != NULL && (!b_found || psz_result == NULL))))
4826         {
4827             psz_result = (*index)->FindTimecode( i_user_timecode, p_current, b_found );
4828             index++;
4829         }
4830
4831         if ( psz_result == NULL )
4832             psz_result = this;
4833     }
4834
4835     return psz_result;
4836 }
4837
4838 bool chapter_item_c::ParentOf( const chapter_item_c & item ) const
4839 {
4840     if ( &item == this )
4841         return true;
4842
4843     std::vector<chapter_item_c*>::const_iterator index = sub_chapters.begin();
4844     while ( index != sub_chapters.end() )
4845     {
4846         if ( (*index)->ParentOf( item ) )
4847             return true;
4848         index++;
4849     }
4850
4851     return false;
4852 }
4853
4854 void demux_sys_t::PreloadFamily( const matroska_segment_c & of_segment )
4855 {
4856     for (size_t i=0; i<opened_segments.size(); i++)
4857     {
4858         opened_segments[i]->PreloadFamily( of_segment );
4859     }
4860 }
4861 bool matroska_segment_c::PreloadFamily( const matroska_segment_c & of_segment )
4862 {
4863     if ( b_preloaded )
4864         return false;
4865
4866     for (size_t i=0; i<families.size(); i++)
4867     {
4868         for (size_t j=0; j<of_segment.families.size(); j++)
4869         {
4870             if ( families[i] == of_segment.families[j] )
4871                 return Preload( );
4872         }
4873     }
4874
4875     return false;
4876 }
4877
4878 // preload all the linked segments for all preloaded segments
4879 void demux_sys_t::PreloadLinked( matroska_segment_c *p_segment )
4880 {
4881     size_t i_preloaded, i, j;
4882     virtual_segment_c *p_seg;
4883
4884     p_current_segment = VirtualFromSegments( p_segment );
4885
4886     used_segments.push_back( p_current_segment );
4887
4888     // create all the other virtual segments of the family
4889     do {
4890         i_preloaded = 0;
4891         for ( i=0; i< opened_segments.size(); i++ )
4892         {
4893             if ( opened_segments[i]->b_preloaded && !IsUsedSegment( *opened_segments[i] ) )
4894             {
4895                 p_seg = VirtualFromSegments( opened_segments[i] );
4896                 used_segments.push_back( p_seg );
4897                 i_preloaded++;
4898             }
4899         }
4900     } while ( i_preloaded ); // worst case: will stop when all segments are found as family related
4901
4902     // publish all editions of all usable segment
4903     for ( i=0; i< used_segments.size(); i++ )
4904     {
4905         p_seg = used_segments[i];
4906         if ( p_seg->p_editions != NULL )
4907         {
4908             std::string sz_name;
4909             input_title_t *p_title = vlc_input_title_New();
4910             p_seg->i_sys_title = i;
4911             int i_chapters;
4912
4913             // TODO use a name for each edition, let the TITLE deal with a codec name
4914             for ( j=0; j<p_seg->p_editions->size(); j++ )
4915             {
4916                 if ( p_title->psz_name == NULL )
4917                 {
4918                     sz_name = (*p_seg->p_editions)[j]->GetMainName();
4919                     if ( sz_name != "" )
4920                         p_title->psz_name = strdup( sz_name.c_str() );
4921                 }
4922
4923                 chapter_edition_c *p_edition = (*p_seg->p_editions)[j];
4924
4925                 i_chapters = 0;
4926                 p_edition->PublishChapters( *p_title, i_chapters, 0 );
4927             }
4928
4929             // create a name if there is none
4930             if ( p_title->psz_name == NULL )
4931             {
4932                 sz_name = N_("Segment ");
4933                 char psz_str[6];
4934                 sprintf( psz_str, "%d", i );
4935                 sz_name += psz_str;
4936                 p_title->psz_name = strdup( sz_name.c_str() );
4937             }
4938
4939             titles.push_back( p_title );
4940         }
4941     }
4942
4943     // TODO decide which segment should be first used (VMG for DVD)
4944 }
4945
4946 bool demux_sys_t::IsUsedSegment( matroska_segment_c &segment ) const
4947 {
4948     for ( size_t i=0; i< used_segments.size(); i++ )
4949     {
4950         if ( used_segments[i]->FindUID( *segment.p_segment_uid ) )
4951             return true;
4952     }
4953     return false;
4954 }
4955
4956 virtual_segment_c *demux_sys_t::VirtualFromSegments( matroska_segment_c *p_segment ) const
4957 {
4958     size_t i_preloaded, i;
4959
4960     virtual_segment_c *p_result = new virtual_segment_c( p_segment );
4961
4962     // fill our current virtual segment with all hard linked segments
4963     do {
4964         i_preloaded = 0;
4965         for ( i=0; i< opened_segments.size(); i++ )
4966         {
4967             i_preloaded += p_result->AddSegment( opened_segments[i] );
4968         }
4969     } while ( i_preloaded ); // worst case: will stop when all segments are found as linked
4970
4971     p_result->Sort( );
4972
4973     p_result->PreloadLinked( );
4974
4975     p_result->PrepareChapters( );
4976
4977     return p_result;
4978 }
4979
4980 bool demux_sys_t::PreparePlayback( virtual_segment_c *p_new_segment )
4981 {
4982     if ( p_new_segment != NULL && p_new_segment != p_current_segment )
4983     {
4984         if ( p_current_segment != NULL && p_current_segment->Segment() != NULL )
4985             p_current_segment->Segment()->UnSelect();
4986
4987         p_current_segment = p_new_segment;
4988         i_current_title = p_new_segment->i_sys_title;
4989     }
4990
4991     p_current_segment->LoadCues();
4992     f_duration = p_current_segment->Duration();
4993
4994     /* add information */
4995     p_current_segment->Segment()->InformationCreate( );
4996
4997     p_current_segment->Segment()->Select( 0 );
4998
4999     return true;
5000 }
5001
5002 void demux_sys_t::JumpTo( virtual_segment_c & vsegment, chapter_item_c * p_chapter )
5003 {
5004     // if the segment is not part of the current segment, select the new one
5005     if ( &vsegment != p_current_segment )
5006     {
5007         PreparePlayback( &vsegment );
5008     }
5009
5010     if ( p_chapter != NULL )
5011     {
5012         if ( !p_chapter->Enter( true ) )
5013         {
5014             // jump to the location in the found segment
5015             vsegment.Seek( demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5016         }
5017     }
5018
5019 }
5020
5021 bool matroska_segment_c::CompareSegmentUIDs( const matroska_segment_c * p_item_a, const matroska_segment_c * p_item_b )
5022 {
5023     EbmlBinary * p_itema = (EbmlBinary *)(p_item_a->p_segment_uid);
5024     if ( *p_itema == *p_item_b->p_prev_segment_uid )
5025         return true;
5026
5027     p_itema = (EbmlBinary *)(&p_item_a->p_next_segment_uid);
5028     if ( *p_itema == *p_item_b->p_segment_uid )
5029         return true;
5030
5031     if ( *p_itema == *p_item_b->p_prev_segment_uid )
5032         return true;
5033
5034     return false;
5035 }
5036
5037 bool matroska_segment_c::Preload( )
5038 {
5039     if ( b_preloaded )
5040         return false;
5041
5042     EbmlElement *el = NULL;
5043
5044     ep->Reset( &sys.demuxer );
5045
5046     while( ( el = ep->Get() ) != NULL )
5047     {
5048         if( MKV_IS_ID( el, KaxInfo ) )
5049         {
5050             ParseInfo( static_cast<KaxInfo*>( el ) );
5051         }
5052         else if( MKV_IS_ID( el, KaxTracks ) )
5053         {
5054             ParseTracks( static_cast<KaxTracks*>( el ) );
5055         }
5056         else if( MKV_IS_ID( el, KaxSeekHead ) )
5057         {
5058             ParseSeekHead( static_cast<KaxSeekHead*>( el ) );
5059         }
5060         else if( MKV_IS_ID( el, KaxCues ) )
5061         {
5062             msg_Dbg( &sys.demuxer, "|   + Cues" );
5063         }
5064         else if( MKV_IS_ID( el, KaxCluster ) )
5065         {
5066             msg_Dbg( &sys.demuxer, "|   + Cluster" );
5067
5068             cluster = (KaxCluster*)el;
5069
5070             i_cluster_pos = i_start_pos = cluster->GetElementPosition();
5071             ParseCluster( );
5072
5073             ep->Down();
5074             /* stop parsing the stream */
5075             break;
5076         }
5077         else if( MKV_IS_ID( el, KaxAttachments ) )
5078         {
5079             msg_Dbg( &sys.demuxer, "|   + Attachments FIXME (but probably never supported)" );
5080         }
5081         else if( MKV_IS_ID( el, KaxChapters ) )
5082         {
5083             msg_Dbg( &sys.demuxer, "|   + Chapters" );
5084             ParseChapters( static_cast<KaxChapters*>( el ) );
5085         }
5086         else if( MKV_IS_ID( el, KaxTag ) )
5087         {
5088             msg_Dbg( &sys.demuxer, "|   + Tags FIXME TODO" );
5089         }
5090         else
5091         {
5092             msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid(*el).name() );
5093         }
5094     }
5095
5096     b_preloaded = true;
5097
5098     return true;
5099 }
5100
5101 matroska_segment_c *demux_sys_t::FindSegment( const EbmlBinary & uid ) const
5102 {
5103     for (size_t i=0; i<opened_segments.size(); i++)
5104     {
5105         if ( *opened_segments[i]->p_segment_uid == uid )
5106             return opened_segments[i];
5107     }
5108     return NULL;
5109 }
5110
5111 chapter_item_c *demux_sys_t::BrowseCodecPrivate( unsigned int codec_id,
5112                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
5113                                         const void *p_cookie,
5114                                         size_t i_cookie_size,
5115                                         virtual_segment_c * &p_segment_found )
5116 {
5117     chapter_item_c *p_result = NULL;
5118     for (size_t i=0; i<used_segments.size(); i++)
5119     {
5120         p_result = used_segments[i]->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
5121         if ( p_result != NULL )
5122         {
5123             p_segment_found = used_segments[i];
5124             break;
5125         }
5126     }
5127     return p_result;
5128 }
5129
5130 chapter_item_c *demux_sys_t::FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found )
5131 {
5132     chapter_item_c *p_result = NULL;
5133     for (size_t i=0; i<used_segments.size(); i++)
5134     {
5135         p_result = used_segments[i]->FindChapter( i_find_uid );
5136         if ( p_result != NULL )
5137         {
5138             p_segment_found = used_segments[i];
5139             break;
5140         }
5141     }
5142     return p_result;
5143 }
5144
5145 void virtual_segment_c::Sort()
5146 {
5147     // keep the current segment index
5148     matroska_segment_c *p_segment = linked_segments[i_current_segment];
5149
5150     std::sort( linked_segments.begin(), linked_segments.end(), matroska_segment_c::CompareSegmentUIDs );
5151
5152     for ( i_current_segment=0; i_current_segment<linked_segments.size(); i_current_segment++)
5153         if ( linked_segments[i_current_segment] == p_segment )
5154             break;
5155 }
5156
5157 size_t virtual_segment_c::AddSegment( matroska_segment_c *p_segment )
5158 {
5159     size_t i;
5160     // check if it's not already in here
5161     for ( i=0; i<linked_segments.size(); i++ )
5162     {
5163         if ( *p_segment->p_segment_uid == *linked_segments[i]->p_segment_uid )
5164             return 0;
5165     }
5166
5167     // find possible mates
5168     for ( i=0; i<linked_uids.size(); i++ )
5169     {
5170         if (   (p_segment->p_segment_uid != NULL && *p_segment->p_segment_uid == linked_uids[i])
5171             || (p_segment->p_prev_segment_uid != NULL && *p_segment->p_prev_segment_uid == linked_uids[i])
5172             || (p_segment->p_next_segment_uid !=NULL && *p_segment->p_next_segment_uid == linked_uids[i]) )
5173         {
5174             linked_segments.push_back( p_segment );
5175
5176             AppendUID( p_segment->p_prev_segment_uid );
5177             AppendUID( p_segment->p_next_segment_uid );
5178
5179             return 1;
5180         }
5181     }
5182     return 0;
5183 }
5184
5185 void virtual_segment_c::PreloadLinked( )
5186 {
5187     for ( size_t i=0; i<linked_segments.size(); i++ )
5188     {
5189         linked_segments[i]->Preload( );
5190     }
5191     i_current_edition = linked_segments[0]->i_default_edition;
5192 }
5193
5194 mtime_t virtual_segment_c::Duration() const
5195 {
5196     mtime_t i_duration;
5197     if ( linked_segments.size() == 0 )
5198         i_duration = 0;
5199     else {
5200         matroska_segment_c *p_last_segment = linked_segments[linked_segments.size()-1];
5201 //        p_last_segment->ParseCluster( );
5202
5203         i_duration = p_last_segment->i_start_time / 1000 + p_last_segment->i_duration;
5204     }
5205     return i_duration;
5206 }
5207
5208 void virtual_segment_c::LoadCues( )
5209 {
5210     for ( size_t i=0; i<linked_segments.size(); i++ )
5211     {
5212         linked_segments[i]->LoadCues();
5213     }
5214 }
5215
5216 void virtual_segment_c::AppendUID( const EbmlBinary * p_UID )
5217 {
5218     if ( p_UID == NULL )
5219         return;
5220     if ( p_UID->GetBuffer() == NULL )
5221         return;
5222
5223     for (size_t i=0; i<linked_uids.size(); i++)
5224     {
5225         if ( *p_UID == linked_uids[i] )
5226             return;
5227     }
5228     linked_uids.push_back( *(KaxSegmentUID*)(p_UID) );
5229 }
5230
5231 void matroska_segment_c::Seek( mtime_t i_date, mtime_t i_time_offset )
5232 {
5233     KaxBlock    *block;
5234     int         i_track_skipping;
5235     int64_t     i_block_duration;
5236     int64_t     i_block_ref1;
5237     int64_t     i_block_ref2;
5238     size_t      i_track;
5239     int64_t     i_seek_position = i_start_pos;
5240     int64_t     i_seek_time = i_start_time;
5241
5242     if ( i_index > 0 )
5243     {
5244         int i_idx = 0;
5245
5246         for( ; i_idx < i_index; i_idx++ )
5247         {
5248             if( p_indexes[i_idx].i_time + i_time_offset > i_date )
5249             {
5250                 break;
5251             }
5252         }
5253
5254         if( i_idx > 0 )
5255         {
5256             i_idx--;
5257         }
5258
5259         i_seek_position = p_indexes[i_idx].i_position;
5260         i_seek_time = p_indexes[i_idx].i_time;
5261     }
5262
5263     msg_Dbg( &sys.demuxer, "seek got "I64Fd" (%d%%)",
5264                 i_seek_time, (int)( 100 * i_seek_position / stream_Size( sys.demuxer.s ) ) );
5265
5266     es.I_O().setFilePointer( i_seek_position, seek_beginning );
5267
5268     delete ep;
5269     ep = new EbmlParser( &es, segment, &sys.demuxer );
5270     cluster = NULL;
5271
5272     sys.i_start_pts = i_date;
5273
5274     es_out_Control( sys.demuxer.out, ES_OUT_RESET_PCR );
5275
5276     /* now parse until key frame */
5277     i_track_skipping = 0;
5278     for( i_track = 0; i_track < tracks.size(); i_track++ )
5279     {
5280         if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5281         {
5282             tracks[i_track]->b_search_keyframe = VLC_TRUE;
5283             i_track_skipping++;
5284         }
5285         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_date );
5286     }
5287
5288
5289     while( i_track_skipping > 0 )
5290     {
5291         if( BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
5292         {
5293             msg_Warn( &sys.demuxer, "cannot get block EOF?" );
5294
5295             return;
5296         }
5297         ep->Down();
5298
5299         for( i_track = 0; i_track < tracks.size(); i_track++ )
5300         {
5301             if( tracks[i_track]->i_number == block->TrackNum() )
5302             {
5303                 break;
5304             }
5305         }
5306
5307         sys.i_pts = sys.i_chapter_time + block->GlobalTimecode() / (mtime_t) 1000;
5308
5309         if( i_track < tracks.size() )
5310         {
5311            if( sys.i_pts >= sys.i_start_pts )
5312             {
5313                 cluster = static_cast<KaxCluster*>(ep->UnGet( i_block_pos, i_cluster_pos ));
5314                 i_track_skipping = 0;
5315             }
5316             else if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5317             {
5318                 if( i_block_ref1 == -1 && tracks[i_track]->b_search_keyframe )
5319                 {
5320                     tracks[i_track]->b_search_keyframe = VLC_FALSE;
5321                     i_track_skipping--;
5322                 }
5323                 if( !tracks[i_track]->b_search_keyframe )
5324                 {
5325                     BlockDecode( &sys.demuxer, block, sys.i_pts, 0 );
5326                 }
5327             }
5328         }
5329
5330         delete block;
5331     }
5332 }
5333
5334 void virtual_segment_c::Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter )
5335 {
5336     demux_sys_t *p_sys = demuxer.p_sys;
5337     size_t i;
5338
5339     // find the actual time for an ordered edition
5340     if ( psz_chapter == NULL )
5341     {
5342         if ( Edition() && Edition()->b_ordered )
5343         {
5344             /* 1st, we need to know in which chapter we are */
5345             psz_chapter = (*p_editions)[i_current_edition]->FindTimecode( i_date, psz_current_chapter );
5346         }
5347     }
5348
5349     if ( psz_chapter != NULL )
5350     {
5351         psz_current_chapter = psz_chapter;
5352         p_sys->i_chapter_time = i_time_offset = psz_chapter->i_user_start_time - psz_chapter->i_start_time;
5353         if ( psz_chapter->i_seekpoint_num > 0 )
5354         {
5355             demuxer.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
5356             demuxer.info.i_title = p_sys->i_current_title = i_sys_title;
5357             demuxer.info.i_seekpoint = psz_chapter->i_seekpoint_num - 1;
5358         }
5359     }
5360
5361     // find the best matching segment
5362     for ( i=0; i<linked_segments.size(); i++ )
5363     {
5364         if ( i_date < linked_segments[i]->i_start_time )
5365             break;
5366     }
5367
5368     if ( i > 0 )
5369         i--;
5370
5371     if ( i_current_segment != i  )
5372     {
5373         linked_segments[i_current_segment]->UnSelect();
5374         linked_segments[i]->Select( i_date );
5375         i_current_segment = i;
5376     }
5377
5378     linked_segments[i]->Seek( i_date, i_time_offset );
5379 }
5380
5381 void chapter_codec_cmds_c::AddCommand( const KaxChapterProcessCommand & command )
5382 {
5383     size_t i;
5384
5385     uint32 codec_time = uint32(-1);
5386     for( i = 0; i < command.ListSize(); i++ )
5387     {
5388         const EbmlElement *k = command[i];
5389
5390         if( MKV_IS_ID( k, KaxChapterProcessTime ) )
5391         {
5392             codec_time = uint32( *static_cast<const KaxChapterProcessTime*>( k ) );
5393             break;
5394         }
5395     }
5396
5397     for( i = 0; i < command.ListSize(); i++ )
5398     {
5399         const EbmlElement *k = command[i];
5400
5401         if( MKV_IS_ID( k, KaxChapterProcessData ) )
5402         {
5403             KaxChapterProcessData *p_data =  new KaxChapterProcessData( *static_cast<const KaxChapterProcessData*>( k ) );
5404             switch ( codec_time )
5405             {
5406             case 0:
5407                 during_cmds.push_back( p_data );
5408                 break;
5409             case 1:
5410                 enter_cmds.push_back( p_data );
5411                 break;
5412             case 2:
5413                 leave_cmds.push_back( p_data );
5414                 break;
5415             default:
5416                 delete p_data;
5417             }
5418         }
5419     }
5420 }
5421
5422 bool chapter_item_c::Enter( bool b_do_subs )
5423 {
5424     bool f_result = false;
5425     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5426     while ( index != codecs.end() )
5427     {
5428         f_result |= (*index)->Enter();
5429         index++;
5430     }
5431
5432     if ( b_do_subs )
5433     {
5434         // sub chapters
5435         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5436         while ( index_ != sub_chapters.end() )
5437         {
5438             f_result |= (*index_)->Enter( true );
5439             index_++;
5440         }
5441     }
5442     return f_result;
5443 }
5444
5445 bool chapter_item_c::Leave( bool b_do_subs )
5446 {
5447     bool f_result = false;
5448     b_is_leaving = true;
5449     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5450     while ( index != codecs.end() )
5451     {
5452         f_result |= (*index)->Leave();
5453         index++;
5454     }
5455
5456     if ( b_do_subs )
5457     {
5458         // sub chapters
5459         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5460         while ( index_ != sub_chapters.end() )
5461         {
5462             f_result |= (*index_)->Leave( true );
5463             index_++;
5464         }
5465     }
5466     b_is_leaving = false;
5467     return f_result;
5468 }
5469
5470 bool chapter_item_c::EnterAndLeave( chapter_item_c *p_item, bool b_final_enter )
5471 {
5472     chapter_item_c *p_common_parent = p_item;
5473
5474     // leave, up to a common parent
5475     while ( p_common_parent != NULL && !p_common_parent->ParentOf( *this ) )
5476     {
5477         if ( !p_common_parent->b_is_leaving && p_common_parent->Leave( false ) )
5478             return true;
5479         p_common_parent = p_common_parent->psz_parent;
5480     }
5481
5482     // enter from the parent to <this>
5483     if ( p_common_parent != NULL )
5484     {
5485         do
5486         {
5487             if ( p_common_parent == this )
5488                 return Enter( true );
5489
5490             for ( size_t i = 0; i<p_common_parent->sub_chapters.size(); i++ )
5491             {
5492                 if ( p_common_parent->sub_chapters[i]->ParentOf( *this ) )
5493                 {
5494                     p_common_parent = p_common_parent->sub_chapters[i];
5495                     if ( p_common_parent != this )
5496                         if ( p_common_parent->Enter( false ) )
5497                             return true;
5498
5499                     break;
5500                 }
5501             }
5502         } while ( 1 );
5503     }
5504
5505     if ( b_final_enter )
5506         return Enter( true );
5507     else
5508         return false;
5509 }
5510
5511 bool dvd_chapter_codec_c::Enter()
5512 {
5513     bool f_result = false;
5514     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
5515     while ( index != enter_cmds.end() )
5516     {
5517         if ( (*index)->GetSize() )
5518         {
5519             binary *p_data = (*index)->GetBuffer();
5520             size_t i_size = *p_data++;
5521             // avoid reading too much from the buffer
5522             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
5523             for ( ; i_size > 0; i_size--, p_data += 8 )
5524             {
5525                 msg_Dbg( &sys.demuxer, "Matroska DVD enter command" );
5526                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5527             }
5528         }
5529         index++;
5530     }
5531     return f_result;
5532 }
5533
5534 bool dvd_chapter_codec_c::Leave()
5535 {
5536     bool f_result = false;
5537     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
5538     while ( index != leave_cmds.end() )
5539     {
5540         if ( (*index)->GetSize() )
5541         {
5542             binary *p_data = (*index)->GetBuffer();
5543             size_t i_size = *p_data++;
5544             // avoid reading too much from the buffer
5545             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
5546             for ( ; i_size > 0; i_size--, p_data += 8 )
5547             {
5548                 msg_Dbg( &sys.demuxer, "Matroska DVD leave command" );
5549                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5550             }
5551         }
5552         index++;
5553     }
5554     return f_result;
5555 }
5556
5557 // see http://www.dvd-replica.com/DVD/vmcmdset.php for a description of DVD commands
5558 bool dvd_command_interpretor_c::Interpret( const binary * p_command, size_t i_size )
5559 {
5560     if ( i_size != 8 )
5561         return false;
5562
5563     virtual_segment_c *p_segment;
5564     chapter_item_c *p_chapter;
5565     bool f_result = false;
5566     uint16 i_command = ( p_command[0] << 8 ) + p_command[1];
5567
5568     // handle register tests if there are some
5569     if ( (i_command & 0xF0) != 0 )
5570     {
5571         bool b_test_positive = true;//(i_command & CMD_DVD_IF_NOT) == 0;
5572         bool b_test_value    = (i_command & CMD_DVD_TEST_VALUE) != 0;
5573         uint8 i_test = i_command & 0x70;
5574         uint16 i_value;
5575
5576         // see http://dvd.sourceforge.net/dvdinfo/vmi.html
5577         uint8  i_cr1;
5578         uint16 i_cr2;
5579         switch ( i_command >> 12 )
5580         {
5581         default:
5582             i_cr1 = p_command[3];
5583             i_cr2 = (p_command[4] << 8) + p_command[5];
5584             break;
5585         case 3:
5586         case 4:
5587         case 5:
5588             i_cr1 = p_command[6];
5589             i_cr2 = p_command[7];
5590             b_test_value = false;
5591             break;
5592         case 6:
5593         case 7:
5594             if ( ((p_command[1] >> 4) & 0x7) == 0)
5595             {
5596                 i_cr1 = p_command[2];
5597                 i_cr2 = (p_command[6] << 8) + p_command[7];
5598             }
5599             else
5600             {
5601                 i_cr1 = p_command[2];
5602                 i_cr2 = (p_command[6] << 8) + p_command[7];
5603             }
5604             break;
5605         }
5606
5607         if ( b_test_value )
5608             i_value = i_cr2;
5609         else
5610             i_value = GetPRM( i_cr2 );
5611
5612         switch ( i_test )
5613         {
5614         case CMD_DVD_IF_GPREG_EQUAL:
5615             // if equals
5616             msg_Dbg( &sys.demuxer, "IF %s EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5617             if (!( GetPRM( i_cr1 ) == i_value ))
5618             {
5619                 b_test_positive = false;
5620             }
5621             break;
5622         case CMD_DVD_IF_GPREG_NOT_EQUAL:
5623             // if not equals
5624             msg_Dbg( &sys.demuxer, "IF %s NOT EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5625             if (!( GetPRM( i_cr1 ) != i_value ))
5626             {
5627                 b_test_positive = false;
5628             }
5629             break;
5630         case CMD_DVD_IF_GPREG_INF:
5631             // if inferior
5632             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5633             if (!( GetPRM( i_cr1 ) < i_value ))
5634             {
5635                 b_test_positive = false;
5636             }
5637             break;
5638         case CMD_DVD_IF_GPREG_INF_EQUAL:
5639             // if inferior or equal
5640             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5641             if (!( GetPRM( i_cr1 ) <= i_value ))
5642             {
5643                 b_test_positive = false;
5644             }
5645             break;
5646         case CMD_DVD_IF_GPREG_AND:
5647             // if logical and
5648             msg_Dbg( &sys.demuxer, "IF %s & %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5649             if (!( GetPRM( i_cr1 ) & i_value ))
5650             {
5651                 b_test_positive = false;
5652             }
5653             break;
5654         case CMD_DVD_IF_GPREG_SUP:
5655             // if superior
5656             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5657             if (!( GetPRM( i_cr1 ) > i_value ))
5658             {
5659                 b_test_positive = false;
5660             }
5661             break;
5662         case CMD_DVD_IF_GPREG_SUP_EQUAL:
5663             // if superior or equal
5664             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5665             if (!( GetPRM( i_cr1 ) >= i_value ))
5666             {
5667                 b_test_positive = false;
5668             }
5669             break;
5670         }
5671
5672         if ( !b_test_positive )
5673             return false;
5674     }
5675
5676     // strip the test command
5677     i_command &= 0xFF0F;
5678
5679     switch ( i_command )
5680     {
5681     case CMD_DVD_NOP:
5682     case CMD_DVD_NOP2:
5683         {
5684             msg_Dbg( &sys.demuxer, "NOP" );
5685             break;
5686         }
5687     case CMD_DVD_BREAK:
5688         {
5689             msg_Dbg( &sys.demuxer, "Break" );
5690             // TODO
5691             break;
5692         }
5693     case CMD_DVD_JUMP_TT:
5694         {
5695             uint8 i_title = p_command[5];
5696             msg_Dbg( &sys.demuxer, "JumpTT %d", i_title );
5697
5698             // find in the ChapProcessPrivate matching this Title level
5699             p_chapter = sys.BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title), p_segment );
5700             if ( p_segment != NULL )
5701             {
5702                 sys.JumpTo( *p_segment, p_chapter );
5703                 f_result = true;
5704             }
5705
5706             break;
5707         }
5708     case CMD_DVD_CALLSS_VTSM1:
5709         {
5710             msg_Dbg( &sys.demuxer, "CallSS" );
5711             binary p_type;
5712             switch( (p_command[6] & 0xC0) >> 6 ) {
5713                 case 0:
5714                     p_type = p_command[5] & 0x0F;
5715                     switch ( p_type )
5716                     {
5717                     case 0x00:
5718                         msg_Dbg( &sys.demuxer, "CallSS PGC (rsm_cell %x)", p_command[4]);
5719                         break;
5720                     case 0x02:
5721                         msg_Dbg( &sys.demuxer, "CallSS Title Entry (rsm_cell %x)", p_command[4]);
5722                         break;
5723                     case 0x03:
5724                         msg_Dbg( &sys.demuxer, "CallSS Root Menu (rsm_cell %x)", p_command[4]);
5725                         break;
5726                     case 0x04:
5727                         msg_Dbg( &sys.demuxer, "CallSS Subpicture Menu (rsm_cell %x)", p_command[4]);
5728                         break;
5729                     case 0x05:
5730                         msg_Dbg( &sys.demuxer, "CallSS Audio Menu (rsm_cell %x)", p_command[4]);
5731                         break;
5732                     case 0x06:
5733                         msg_Dbg( &sys.demuxer, "CallSS Angle Menu (rsm_cell %x)", p_command[4]);
5734                         break;
5735                     case 0x07:
5736                         msg_Dbg( &sys.demuxer, "CallSS Chapter Menu (rsm_cell %x)", p_command[4]);
5737                         break;
5738                     default:
5739                         msg_Dbg( &sys.demuxer, "CallSS <unknown> (rsm_cell %x)", p_command[4]);
5740                         break;
5741                     }
5742                     p_chapter = sys.BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1, p_segment );
5743                     if ( p_segment != NULL )
5744                     {
5745                         sys.JumpTo( *p_segment, p_chapter );
5746                         f_result = true;
5747                     }
5748                 break;
5749                 case 1:
5750                     msg_Dbg( &sys.demuxer, "CallSS VMGM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
5751                 break;
5752                 case 2:
5753                     msg_Dbg( &sys.demuxer, "CallSS VTSM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
5754                 break;
5755                 case 3:
5756                     msg_Dbg( &sys.demuxer, "CallSS VMGM (pgc %d, rsm_cell %x)", (p_command[2] << 8) + p_command[3], p_command[4]);
5757                 break;
5758             }
5759             break;
5760         }
5761     case CMD_DVD_JUMP_SS:
5762         {
5763             msg_Dbg( &sys.demuxer, "JumpSS");
5764             binary p_type;
5765             switch( (p_command[5] & 0xC0) >> 6 ) {
5766                 case 0:
5767                     msg_Dbg( &sys.demuxer, "JumpSS FP");
5768                 break;
5769                 case 1:
5770                     p_type = p_command[5] & 0x0F;
5771                     switch ( p_type )
5772                     {
5773                     case 0x02:
5774                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Title Entry");
5775                         break;
5776                     case 0x03:
5777                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Root Menu");
5778                         break;
5779                     case 0x04:
5780                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Subpicture Menu");
5781                         break;
5782                     case 0x05:
5783                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Audio Menu");
5784                         break;
5785                     case 0x06:
5786                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Angle Menu");
5787                         break;
5788                     case 0x07:
5789                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Chapter Menu");
5790                         break;
5791                     default:
5792                         msg_Dbg( &sys.demuxer, "JumpSS <unknown>");
5793                         break;
5794                     }
5795                     // find the VMG
5796                     p_chapter = sys.BrowseCodecPrivate( 1, MatchIsVMG, NULL, 0, p_segment );
5797                     if ( p_segment != NULL )
5798                     {
5799                         p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
5800                         if ( p_chapter != NULL )
5801                         {
5802                             sys.JumpTo( *p_segment, p_chapter );
5803                             f_result = true;
5804                         }
5805                     }
5806                 break;
5807                 case 2:
5808                     p_type = p_command[5] & 0x0F;
5809                     switch ( p_type )
5810                     {
5811                     case 0x02:
5812                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Title Entry", p_command[4], p_command[3]);
5813                         break;
5814                     case 0x03:
5815                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Root Menu", p_command[4], p_command[3]);
5816                         break;
5817                     case 0x04:
5818                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Subpicture Menu", p_command[4], p_command[3]);
5819                         break;
5820                     case 0x05:
5821                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Audio Menu", p_command[4], p_command[3]);
5822                         break;
5823                     case 0x06:
5824                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Angle Menu", p_command[4], p_command[3]);
5825                         break;
5826                     case 0x07:
5827                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Chapter Menu", p_command[4], p_command[3]);
5828                         break;
5829                     default:
5830                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) <unknown>", p_command[4], p_command[3]);
5831                         break;
5832                     }
5833
5834                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSMNumber, &p_command[4], 1, p_segment );
5835
5836                     if ( p_segment != NULL && p_chapter != NULL )
5837                     {
5838                         // find the title in the VTS
5839                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &p_command[3], 1 );
5840                         if ( p_chapter != NULL )
5841                         {
5842                             // find the specified menu in the VTSM
5843                             p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
5844                             if ( p_chapter != NULL )
5845                             {
5846                                 sys.JumpTo( *p_segment, p_chapter );
5847                                 f_result = true;
5848                             }
5849                         }
5850                         else
5851                             msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", p_command[3] );
5852                     }
5853                     else
5854                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", p_command[4] );
5855                 break;
5856                 case 3:
5857                     msg_Dbg( &sys.demuxer, "JumpSS VMGM (pgc %d)", (p_command[2] << 8) + p_command[3]);
5858                 break;
5859             }
5860             break;
5861         }
5862     case CMD_DVD_JUMPVTS_PTT:
5863         {
5864             uint8 i_title = p_command[5];
5865             uint8 i_ptt = p_command[3];
5866
5867             msg_Dbg( &sys.demuxer, "JumpVTS Title (%d) PTT (%d)", i_title, i_ptt);
5868
5869             // find the current VTS content segment
5870             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchIsDomain, NULL, 0 );
5871             if ( p_chapter != NULL )
5872             {
5873                 int16 i_curr_title = p_chapter->GetTitleNumber( );
5874                 if ( i_curr_title > 0 )
5875                 {
5876                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSNumber, &i_curr_title, sizeof(i_curr_title), p_segment );
5877
5878                     if ( p_segment != NULL && p_chapter != NULL )
5879                     {
5880                         // find the title in the VTS
5881                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title) );
5882                         if ( p_chapter != NULL )
5883                         {
5884                             // find the chapter in the title
5885                             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchChapterNumber, &i_ptt, sizeof(i_ptt) );
5886                             if ( p_chapter != NULL )
5887                             {
5888                                 sys.JumpTo( *p_segment, p_chapter );
5889                                 f_result = true;
5890                             }
5891                         }
5892                     else
5893                         msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", i_title );
5894                     }
5895                     else
5896                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", i_curr_title );
5897                 }
5898                 else
5899                     msg_Dbg( &sys.demuxer, "JumpVTS_PTT command found but not in a VTS(M)");
5900             }
5901             else
5902                 msg_Dbg( &sys.demuxer, "JumpVTS_PTT command but the DVD domain wasn't found");
5903             break;
5904         }
5905     case CMD_DVD_SET_GPRMMD:
5906         {
5907             msg_Dbg( &sys.demuxer, "Set GPRMMD [%d]=%d", (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3]);
5908
5909             if ( !SetGPRM( (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3] ) )
5910                 msg_Dbg( &sys.demuxer, "Set GPRMMD failed" );
5911             break;
5912         }
5913     case CMD_DVD_LINKPGCN:
5914         {
5915             uint16 i_pgcn = (p_command[6] << 8) + p_command[7];
5916
5917             msg_Dbg( &sys.demuxer, "Link PGCN(%d)", i_pgcn );
5918             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchPgcNumber, &i_pgcn, 2 );
5919             if ( p_chapter != NULL )
5920             {
5921                 if ( !p_chapter->Enter( true ) )
5922                     // jump to the location in the found segment
5923                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5924
5925                 f_result = true;
5926             }
5927             break;
5928         }
5929     case CMD_DVD_LINKCN:
5930         {
5931             uint8 i_cn = p_command[7];
5932
5933             p_chapter = sys.p_current_segment->CurrentChapter();
5934
5935             msg_Dbg( &sys.demuxer, "LinkCN (cell %d)", i_cn );
5936             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchCellNumber, &i_cn, 1 );
5937             if ( p_chapter != NULL )
5938             {
5939                 if ( !p_chapter->Enter( true ) )
5940                     // jump to the location in the found segment
5941                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5942
5943                 f_result = true;
5944             }
5945             break;
5946         }
5947     case CMD_DVD_GOTO_LINE:
5948         {
5949             msg_Dbg( &sys.demuxer, "GotoLine (%d)", (p_command[6] << 8) + p_command[7] );
5950             // TODO
5951             break;
5952         }
5953     case CMD_DVD_SET_HL_BTNN1:
5954         {
5955             msg_Dbg( &sys.demuxer, "SetHL_BTN (%d)", p_command[4] );
5956             SetSPRM( 0x88, p_command[4] );
5957             break;
5958         }
5959     default:
5960         {
5961             msg_Dbg( &sys.demuxer, "unsupported command : %02X %02X %02X %02X %02X %02X %02X %02X"
5962                      ,p_command[0]
5963                      ,p_command[1]
5964                      ,p_command[2]
5965                      ,p_command[3]
5966                      ,p_command[4]
5967                      ,p_command[5]
5968                      ,p_command[6]
5969                      ,p_command[7]);
5970             break;
5971         }
5972     }
5973
5974     return f_result;
5975 }
5976
5977 bool dvd_command_interpretor_c::MatchIsDomain( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5978 {
5979     return ( data.p_private_data != NULL && data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS );
5980 }
5981
5982 bool dvd_command_interpretor_c::MatchIsVMG( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5983 {
5984     if ( data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
5985         return false;
5986
5987     return ( data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS && data.p_private_data->GetBuffer()[1] == 0xC0);
5988 }
5989
5990 bool dvd_command_interpretor_c::MatchVTSNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5991 {
5992     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
5993         return false;
5994
5995     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x80 )
5996         return false;
5997
5998     uint16 i_gtitle = (data.p_private_data->GetBuffer()[2] << 8 ) + data.p_private_data->GetBuffer()[3];
5999     uint16 i_title = *(uint16*)p_cookie;
6000
6001     return (i_gtitle == i_title);
6002 }
6003
6004 bool dvd_command_interpretor_c::MatchVTSMNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6005 {
6006     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6007         return false;
6008
6009     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x40 )
6010         return false;
6011
6012     uint8 i_gtitle = data.p_private_data->GetBuffer()[3];
6013     uint8 i_title = *(uint8*)p_cookie;
6014
6015     return (i_gtitle == i_title);
6016 }
6017
6018 bool dvd_command_interpretor_c::MatchTitleNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6019 {
6020     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6021         return false;
6022
6023     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_TT )
6024         return false;
6025
6026     uint16 i_gtitle = (data.p_private_data->GetBuffer()[1] << 8 ) + data.p_private_data->GetBuffer()[2];
6027     uint8 i_title = *(uint8*)p_cookie;
6028
6029     return (i_gtitle == i_title);
6030 }
6031
6032 bool dvd_command_interpretor_c::MatchPgcType( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6033 {
6034     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6035         return false;
6036
6037     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6038         return false;
6039
6040     uint8 i_pgc_type = data.p_private_data->GetBuffer()[3] & 0x0F;
6041     uint8 i_pgc = *(uint8*)p_cookie;
6042
6043     return (i_pgc_type == i_pgc);
6044 }
6045
6046 bool dvd_command_interpretor_c::MatchPgcNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6047 {
6048     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6049         return false;
6050
6051     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6052         return false;
6053
6054     uint16 *i_pgc_n = (uint16 *)p_cookie;
6055     uint16 i_pgc_num = (data.p_private_data->GetBuffer()[1] << 8) + data.p_private_data->GetBuffer()[2];
6056
6057     return (i_pgc_num == *i_pgc_n);
6058 }
6059
6060 bool dvd_command_interpretor_c::MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6061 {
6062     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
6063         return false;
6064
6065     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PTT )
6066         return false;
6067
6068     uint8 i_chapter = data.p_private_data->GetBuffer()[1];
6069     uint8 i_ptt = *(uint8*)p_cookie;
6070
6071     return (i_chapter == i_ptt);
6072 }
6073
6074 bool dvd_command_interpretor_c::MatchCellNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6075 {
6076     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 5 )
6077         return false;
6078
6079     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_CN )
6080         return false;
6081
6082     uint8 *i_cell_n = (uint8 *)p_cookie;
6083     uint8 i_cell_num = data.p_private_data->GetBuffer()[3];
6084
6085     return (i_cell_num == *i_cell_n);
6086 }
6087
6088 bool matroska_script_codec_c::Enter()
6089 {
6090     bool f_result = false;
6091     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
6092     while ( index != enter_cmds.end() )
6093     {
6094         if ( (*index)->GetSize() )
6095         {
6096             msg_Dbg( &sys.demuxer, "Matroska Script enter command" );
6097             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6098         }
6099         index++;
6100     }
6101     return f_result;
6102 }
6103
6104 bool matroska_script_codec_c::Leave()
6105 {
6106     bool f_result = false;
6107     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
6108     while ( index != leave_cmds.end() )
6109     {
6110         if ( (*index)->GetSize() )
6111         {
6112             msg_Dbg( &sys.demuxer, "Matroska Script leave command" );
6113             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6114         }
6115         index++;
6116     }
6117     return f_result;
6118 }
6119
6120 // see http://www.matroska.org/technical/specs/chapters/index.html#mscript
6121 //  for a description of existing commands
6122 bool matroska_script_interpretor_c::Interpret( const binary * p_command, size_t i_size )
6123 {
6124     bool b_result = false;
6125
6126     char *psz_str = (char*) malloc( i_size + 1 );
6127     memcpy( psz_str, p_command, i_size );
6128     psz_str[ i_size ] = '\0';
6129
6130     std::string sz_command = psz_str;
6131     free( psz_str );
6132
6133     msg_Dbg( &sys.demuxer, "command : %s", sz_command.c_str() );
6134
6135 #if defined(__GNUC__) && (__GNUC__ < 3)
6136     if ( sz_command.compare( CMD_MS_GOTO_AND_PLAY, 0, CMD_MS_GOTO_AND_PLAY.size() ) == 0 )
6137 #else
6138     if ( sz_command.compare( 0, CMD_MS_GOTO_AND_PLAY.size(), CMD_MS_GOTO_AND_PLAY ) == 0 )
6139 #endif
6140     {
6141         size_t i,j;
6142
6143         // find the (
6144         for ( i=CMD_MS_GOTO_AND_PLAY.size(); i<sz_command.size(); i++)
6145         {
6146             if ( sz_command[i] == '(' )
6147             {
6148                 i++;
6149                 break;
6150             }
6151         }
6152         // find the )
6153         for ( j=i; j<sz_command.size(); j++)
6154         {
6155             if ( sz_command[j] == ')' )
6156             {
6157                 i--;
6158                 break;
6159             }
6160         }
6161
6162         std::string st = sz_command.substr( i+1, j-i-1 );
6163         int64_t i_chapter_uid = atoi( st.c_str() );
6164
6165         virtual_segment_c *p_segment;
6166         chapter_item_c *p_chapter = sys.FindChapter( i_chapter_uid, p_segment );
6167
6168         if ( p_chapter == NULL )
6169             msg_Dbg( &sys.demuxer, "Chapter "I64Fd" not found", i_chapter_uid);
6170         else
6171         {
6172             if ( !p_chapter->EnterAndLeave( sys.p_current_segment->CurrentChapter() ) )
6173                 p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6174             b_result = true;
6175         }
6176     }
6177
6178     return b_result;
6179 }
6180
6181 void demux_sys_t::SwapButtons()
6182 {
6183 #ifndef WORDS_BIGENDIAN
6184     uint8_t button, i, j;
6185
6186     for( button = 1; button <= pci_packet.hli.hl_gi.btn_ns; button++) {
6187         btni_t *button_ptr = &(pci_packet.hli.btnit[button-1]);
6188         binary *p_data = (binary*) button_ptr;
6189
6190         uint16 i_x_start = ((p_data[0] & 0x3F) << 4 ) + ( p_data[1] >> 4 );
6191         uint16 i_x_end   = ((p_data[1] & 0x03) << 8 ) + p_data[2];
6192         uint16 i_y_start = ((p_data[3] & 0x3F) << 4 ) + ( p_data[4] >> 4 );
6193         uint16 i_y_end   = ((p_data[4] & 0x03) << 8 ) + p_data[5];
6194         button_ptr->x_start = i_x_start;
6195         button_ptr->x_end   = i_x_end;
6196         button_ptr->y_start = i_y_start;
6197         button_ptr->y_end   = i_y_end;
6198
6199     }
6200     for ( i = 0; i<3; i++ )
6201     {
6202         for ( j = 0; j<2; j++ )
6203         {
6204             pci_packet.hli.btn_colit.btn_coli[i][j] = U32_AT( &pci_packet.hli.btn_colit.btn_coli[i][j] );
6205         }
6206     }
6207 #endif
6208 }