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_last_dts(0)
1278         ,i_start_pts(0)
1279         ,i_chapter_time(0)
1280         ,meta(NULL)
1281         ,i_current_title(0)
1282         ,p_current_segment(NULL)
1283         ,dvd_interpretor( *this )
1284         ,f_duration(-1.0)
1285         ,b_ui_hooked(false)
1286         ,p_input(NULL)
1287         ,b_pci_packet_set(false)
1288         ,p_ev(NULL)
1289     {
1290         vlc_mutex_init( &demuxer, &lock_demuxer );
1291     }
1292
1293     virtual ~demux_sys_t()
1294     {
1295         StopUiThread();
1296         size_t i;
1297         for ( i=0; i<streams.size(); i++ )
1298             delete streams[i];
1299         for ( i=0; i<opened_segments.size(); i++ )
1300             delete opened_segments[i];
1301         for ( i=0; i<used_segments.size(); i++ )
1302             delete used_segments[i];
1303         vlc_mutex_destroy( &lock_demuxer );
1304     }
1305
1306     /* current data */
1307     demux_t                 & demuxer;
1308
1309     mtime_t                 i_pts;
1310     mtime_t                 i_last_dts;
1311     mtime_t                 i_start_pts;
1312     mtime_t                 i_chapter_time;
1313
1314     vlc_meta_t              *meta;
1315
1316     std::vector<input_title_t*>      titles; // matroska editions
1317     size_t                           i_current_title;
1318
1319     std::vector<matroska_stream_c*>  streams;
1320     std::vector<matroska_segment_c*> opened_segments;
1321     std::vector<virtual_segment_c*>  used_segments;
1322     virtual_segment_c                *p_current_segment;
1323
1324     dvd_command_interpretor_c        dvd_interpretor;
1325
1326     /* duration of the stream */
1327     float                   f_duration;
1328
1329     matroska_segment_c *FindSegment( const EbmlBinary & uid ) const;
1330     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
1331                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
1332                                         const void *p_cookie,
1333                                         size_t i_cookie_size,
1334                                         virtual_segment_c * & p_segment_found );
1335     chapter_item_c *FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found );
1336
1337     void PreloadFamily( const matroska_segment_c & of_segment );
1338     void PreloadLinked( matroska_segment_c *p_segment );
1339     bool PreparePlayback( virtual_segment_c *p_new_segment );
1340     matroska_stream_c *AnalyseAllSegmentsFound( EbmlStream *p_estream );
1341     void JumpTo( virtual_segment_c & p_segment, chapter_item_c * p_chapter );
1342
1343     void StartUiThread();
1344     void StopUiThread();
1345     bool b_ui_hooked;
1346     inline void SwapButtons();
1347
1348     /* for spu variables */
1349     input_thread_t *p_input;
1350     pci_t          pci_packet;
1351     bool           b_pci_packet_set;
1352     uint8_t        palette[4][4];
1353     vlc_mutex_t    lock_demuxer;
1354
1355     /* event */
1356     event_thread_t *p_ev;
1357     static int EventThread( vlc_object_t *p_this );
1358     static int EventMouse( vlc_object_t *p_this, char const *psz_var,
1359                        vlc_value_t oldval, vlc_value_t newval, void *p_data );
1360     static int EventKey( vlc_object_t *p_this, char const *psz_var,
1361                      vlc_value_t oldval, vlc_value_t newval, void *p_data );
1362
1363
1364
1365 protected:
1366     virtual_segment_c *VirtualFromSegments( matroska_segment_c *p_segment ) const;
1367     bool IsUsedSegment( matroska_segment_c &p_segment ) const;
1368 };
1369
1370 static int  Demux  ( demux_t * );
1371 static int  Control( demux_t *, int, va_list );
1372 static void Seek   ( demux_t *, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter );
1373
1374 #define MKV_IS_ID( el, C ) ( EbmlId( (*el) ) == C::ClassInfos.GlobalId )
1375
1376 static char *UTF8ToStr          ( const UTFstring &u );
1377
1378 /*****************************************************************************
1379  * Open: initializes matroska demux structures
1380  *****************************************************************************/
1381 static int Open( vlc_object_t * p_this )
1382 {
1383     demux_t            *p_demux = (demux_t*)p_this;
1384     demux_sys_t        *p_sys;
1385     matroska_stream_c  *p_stream;
1386     matroska_segment_c *p_segment;
1387     uint8_t            *p_peek;
1388     std::string        s_path, s_filename;
1389     vlc_stream_io_callback *p_io_callback;
1390     EbmlStream         *p_io_stream;
1391
1392     /* peek the begining */
1393     if( stream_Peek( p_demux->s, &p_peek, 4 ) < 4 ) return VLC_EGENERIC;
1394
1395     /* is a valid file */
1396     if( p_peek[0] != 0x1a || p_peek[1] != 0x45 ||
1397         p_peek[2] != 0xdf || p_peek[3] != 0xa3 ) return VLC_EGENERIC;
1398
1399     /* Set the demux function */
1400     p_demux->pf_demux   = Demux;
1401     p_demux->pf_control = Control;
1402     p_demux->p_sys      = p_sys = new demux_sys_t( *p_demux );
1403
1404     p_io_callback = new vlc_stream_io_callback( p_demux->s, VLC_FALSE );
1405     p_io_stream = new EbmlStream( *p_io_callback );
1406
1407     if( p_io_stream == NULL )
1408     {
1409         msg_Err( p_demux, "failed to create EbmlStream" );
1410         delete p_io_callback;
1411         delete p_sys;
1412         return VLC_EGENERIC;
1413     }
1414
1415     p_stream = p_sys->AnalyseAllSegmentsFound( p_io_stream );
1416     if( p_stream == NULL )
1417     {
1418         msg_Err( p_demux, "cannot find KaxSegment" );
1419         goto error;
1420     }
1421     p_sys->streams.push_back( p_stream );
1422
1423     p_stream->p_in = p_io_callback;
1424     p_stream->p_es = p_io_stream;
1425
1426     for (size_t i=0; i<p_stream->segments.size(); i++)
1427     {
1428         p_stream->segments[i]->Preload();
1429     }
1430
1431     p_segment = p_stream->segments[0];
1432     if( p_segment->cluster != NULL )
1433     {
1434         msg_Warn( p_demux, "cannot find any cluster, damaged file ?" );
1435
1436         // reset the stream reading to the first cluster of the segment used
1437         p_stream->p_in->setFilePointer( p_segment->cluster->GetElementPosition() );
1438     }
1439
1440     /* get the files from the same dir from the same family (based on p_demux->psz_path) */
1441     if (p_demux->psz_path[0] != '\0' && !strcmp(p_demux->psz_access, ""))
1442     {
1443         // assume it's a regular file
1444         // get the directory path
1445         s_path = p_demux->psz_path;
1446         if (s_path.at(s_path.length() - 1) == DIRECTORY_SEPARATOR)
1447         {
1448             s_path = s_path.substr(0,s_path.length()-1);
1449         }
1450         else
1451         {
1452             if (s_path.find_last_of(DIRECTORY_SEPARATOR) > 0)
1453             {
1454                 s_path = s_path.substr(0,s_path.find_last_of(DIRECTORY_SEPARATOR));
1455             }
1456         }
1457
1458         struct dirent *p_file_item;
1459         DIR *p_src_dir = opendir(s_path.c_str());
1460
1461         if (p_src_dir != NULL)
1462         {
1463             while ((p_file_item = (dirent *) readdir(p_src_dir)))
1464             {
1465                 if (strlen(p_file_item->d_name) > 4)
1466                 {
1467                     s_filename = s_path + DIRECTORY_SEPARATOR + p_file_item->d_name;
1468
1469                     if (!s_filename.compare(p_demux->psz_path))
1470                         continue; // don't reuse the original opened file
1471
1472 #if defined(__GNUC__) && (__GNUC__ < 3)
1473                     if (!s_filename.compare("mkv", s_filename.length() - 3, 3) ||
1474                         !s_filename.compare("mka", s_filename.length() - 3, 3))
1475 #else
1476                     if (!s_filename.compare(s_filename.length() - 3, 3, "mkv") ||
1477                         !s_filename.compare(s_filename.length() - 3, 3, "mka"))
1478 #endif
1479                     {
1480                         // test wether this file belongs to our family
1481                         vlc_stream_io_callback *p_file_io = new vlc_stream_io_callback( stream_UrlNew( p_demux, s_filename.c_str()), VLC_TRUE );
1482                         EbmlStream *p_estream = new EbmlStream(*p_file_io);
1483
1484                         p_stream = p_sys->AnalyseAllSegmentsFound( p_estream );
1485                         if ( p_stream == NULL )
1486                         {
1487                             msg_Dbg( p_demux, "the file '%s' will not be used", s_filename.c_str() );
1488                             delete p_estream;
1489                             delete p_file_io;
1490                         }
1491                         else
1492                         {
1493                             p_stream->p_in = p_file_io;
1494                             p_stream->p_es = p_estream;
1495                             p_sys->streams.push_back( p_stream );
1496                         }
1497                     }
1498                 }
1499             }
1500             closedir( p_src_dir );
1501         }
1502     }
1503
1504     p_sys->PreloadFamily( *p_segment );
1505     p_sys->PreloadLinked( p_segment );
1506     if ( !p_sys->PreparePlayback( NULL ) )
1507     {
1508         msg_Err( p_demux, "cannot use the segment" );
1509         goto error;
1510     }
1511
1512     p_sys->StartUiThread();
1513
1514     return VLC_SUCCESS;
1515
1516 error:
1517     delete p_sys;
1518     return VLC_EGENERIC;
1519 }
1520
1521 /*****************************************************************************
1522  * Close: frees unused data
1523  *****************************************************************************/
1524 static void Close( vlc_object_t *p_this )
1525 {
1526     demux_t     *p_demux = (demux_t*)p_this;
1527     demux_sys_t *p_sys   = p_demux->p_sys;
1528
1529     delete p_sys;
1530 }
1531
1532 /*****************************************************************************
1533  * Control:
1534  *****************************************************************************/
1535 static int Control( demux_t *p_demux, int i_query, va_list args )
1536 {
1537     demux_sys_t        *p_sys = p_demux->p_sys;
1538     int64_t     *pi64;
1539     double      *pf, f;
1540     int         i_skp;
1541     size_t      i_idx;
1542
1543     vlc_meta_t **pp_meta;
1544
1545     switch( i_query )
1546     {
1547         case DEMUX_GET_META:
1548             pp_meta = (vlc_meta_t**)va_arg( args, vlc_meta_t** );
1549             *pp_meta = vlc_meta_Duplicate( p_sys->meta );
1550             return VLC_SUCCESS;
1551
1552         case DEMUX_GET_LENGTH:
1553             pi64 = (int64_t*)va_arg( args, int64_t * );
1554             if( p_sys->f_duration > 0.0 )
1555             {
1556                 *pi64 = (int64_t)(p_sys->f_duration * 1000);
1557                 return VLC_SUCCESS;
1558             }
1559             return VLC_EGENERIC;
1560
1561         case DEMUX_GET_POSITION:
1562             pf = (double*)va_arg( args, double * );
1563             if ( p_sys->f_duration > 0.0 )
1564                 *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);
1565             return VLC_SUCCESS;
1566
1567         case DEMUX_SET_POSITION:
1568             f = (double)va_arg( args, double );
1569             Seek( p_demux, -1, f, NULL );
1570             return VLC_SUCCESS;
1571
1572         case DEMUX_GET_TIME:
1573             pi64 = (int64_t*)va_arg( args, int64_t * );
1574             *pi64 = p_sys->i_pts;
1575             return VLC_SUCCESS;
1576
1577         case DEMUX_GET_TITLE_INFO:
1578             if( p_sys->titles.size() )
1579             {
1580                 input_title_t ***ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
1581                 int *pi_int    = (int*)va_arg( args, int* );
1582
1583                 *pi_int = p_sys->titles.size();
1584                 *ppp_title = (input_title_t**)malloc( sizeof( input_title_t**) * p_sys->titles.size() );
1585
1586                 for( size_t i = 0; i < p_sys->titles.size(); i++ )
1587                 {
1588                     (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->titles[i] );
1589                 }
1590
1591                 return VLC_SUCCESS;
1592             }
1593             return VLC_EGENERIC;
1594
1595         case DEMUX_SET_TITLE:
1596             /* TODO handle editions as titles */
1597             i_idx = (int)va_arg( args, int );
1598             if( i_idx < p_sys->used_segments.size() )
1599             {
1600                 p_sys->JumpTo( *p_sys->used_segments[i_idx], NULL );
1601                 return VLC_SUCCESS;
1602             }
1603             return VLC_EGENERIC;
1604
1605         case DEMUX_SET_SEEKPOINT:
1606             i_skp = (int)va_arg( args, int );
1607
1608             // TODO change the way it works with the << & >> buttons on the UI (+1/-1 instead of a number)
1609             if( p_sys->titles.size() && i_skp < p_sys->titles[p_sys->i_current_title]->i_seekpoint)
1610             {
1611                 Seek( p_demux, (int64_t)p_sys->titles[p_sys->i_current_title]->seekpoint[i_skp]->i_time_offset, -1, NULL);
1612                 p_demux->info.i_seekpoint |= INPUT_UPDATE_SEEKPOINT;
1613                 p_demux->info.i_seekpoint = i_skp;
1614                 return VLC_SUCCESS;
1615             }
1616             return VLC_EGENERIC;
1617
1618         case DEMUX_SET_TIME:
1619         case DEMUX_GET_FPS:
1620         default:
1621             return VLC_EGENERIC;
1622     }
1623 }
1624
1625 int matroska_segment_c::BlockGet( KaxBlock * & pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration )
1626 {
1627     pp_block = NULL;
1628     *pi_ref1  = 0;
1629     *pi_ref2  = 0;
1630
1631     for( ;; )
1632     {
1633         EbmlElement *el;
1634         int         i_level;
1635
1636         if ( ep == NULL )
1637             return VLC_EGENERIC;
1638
1639         el = ep->Get();
1640         i_level = ep->GetLevel();
1641
1642         if( el == NULL && pp_block != NULL )
1643         {
1644             /* update the index */
1645 #define idx p_indexes[i_index - 1]
1646             if( i_index > 0 && idx.i_time == -1 )
1647             {
1648                 idx.i_time        = (*pp_block).GlobalTimecode() / (mtime_t)1000;
1649                 idx.b_key         = *pi_ref1 == 0 ? VLC_TRUE : VLC_FALSE;
1650             }
1651 #undef idx
1652             return VLC_SUCCESS;
1653         }
1654
1655         if( el == NULL )
1656         {
1657             if( ep->GetLevel() > 1 )
1658             {
1659                 ep->Up();
1660                 continue;
1661             }
1662             msg_Warn( &sys.demuxer, "EOF" );
1663             return VLC_EGENERIC;
1664         }
1665
1666         /* do parsing */
1667         switch ( i_level )
1668         {
1669         case 1:
1670             if( MKV_IS_ID( el, KaxCluster ) )
1671             {
1672                 cluster = (KaxCluster*)el;
1673                 i_cluster_pos = cluster->GetElementPosition();
1674
1675                 /* add it to the index */
1676                 if( i_index == 0 ||
1677                     ( i_index > 0 && p_indexes[i_index - 1].i_position < (int64_t)cluster->GetElementPosition() ) )
1678                 {
1679                     IndexAppendCluster( cluster );
1680                 }
1681
1682                 // reset silent tracks
1683                 for (size_t i=0; i<tracks.size(); i++)
1684                 {
1685                     tracks[i]->b_silent = VLC_FALSE;
1686                 }
1687
1688                 ep->Down();
1689             }
1690             else if( MKV_IS_ID( el, KaxCues ) )
1691             {
1692                 msg_Warn( &sys.demuxer, "find KaxCues FIXME" );
1693                 return VLC_EGENERIC;
1694             }
1695             else
1696             {
1697                 msg_Dbg( &sys.demuxer, "unknown (%s)", typeid( el ).name() );
1698             }
1699             break;
1700         case 2:
1701             if( MKV_IS_ID( el, KaxClusterTimecode ) )
1702             {
1703                 KaxClusterTimecode &ctc = *(KaxClusterTimecode*)el;
1704
1705                 ctc.ReadData( es.I_O(), SCOPE_ALL_DATA );
1706                 cluster->InitTimecode( uint64( ctc ), i_timescale );
1707             }
1708             else if( MKV_IS_ID( el, KaxClusterSilentTracks ) )
1709             {
1710                 ep->Down();
1711             }
1712             else if( MKV_IS_ID( el, KaxBlockGroup ) )
1713             {
1714                 i_block_pos = el->GetElementPosition();
1715                 ep->Down();
1716             }
1717             break;
1718         case 3:
1719             if( MKV_IS_ID( el, KaxBlock ) )
1720             {
1721                 pp_block = (KaxBlock*)el;
1722
1723                 pp_block->ReadData( es.I_O() );
1724                 pp_block->SetParent( *cluster );
1725
1726                 ep->Keep();
1727             }
1728             else if( MKV_IS_ID( el, KaxBlockDuration ) )
1729             {
1730                 KaxBlockDuration &dur = *(KaxBlockDuration*)el;
1731
1732                 dur.ReadData( es.I_O() );
1733                 *pi_duration = uint64( dur );
1734             }
1735             else if( MKV_IS_ID( el, KaxReferenceBlock ) )
1736             {
1737                 KaxReferenceBlock &ref = *(KaxReferenceBlock*)el;
1738
1739                 ref.ReadData( es.I_O() );
1740                 if( *pi_ref1 == 0 )
1741                 {
1742                     *pi_ref1 = int64( ref ) * cluster->GlobalTimecodeScale();
1743                 }
1744                 else
1745                 {
1746                     *pi_ref2 = int64( ref ) * cluster->GlobalTimecodeScale();
1747                 }
1748             }
1749             else if( MKV_IS_ID( el, KaxClusterSilentTrackNumber ) )
1750             {
1751                 KaxClusterSilentTrackNumber &track_num = *(KaxClusterSilentTrackNumber*)el;
1752                 track_num.ReadData( es.I_O() );
1753                 // find the track
1754                 for (size_t i=0; i<tracks.size(); i++)
1755                 {
1756                     if ( tracks[i]->i_number == uint32(track_num))
1757                     {
1758                         tracks[i]->b_silent = VLC_TRUE;
1759                         break;
1760                     }
1761                 }
1762             }
1763             break;
1764         default:
1765             msg_Err( &sys.demuxer, "invalid level = %d", i_level );
1766             return VLC_EGENERIC;
1767         }
1768     }
1769 }
1770
1771 static block_t *MemToBlock( demux_t *p_demux, uint8_t *p_mem, int i_mem)
1772 {
1773     block_t *p_block;
1774     if( !(p_block = block_New( p_demux, i_mem ) ) ) return NULL;
1775     memcpy( p_block->p_buffer, p_mem, i_mem );
1776     //p_block->i_rate = p_input->stream.control.i_rate;
1777     return p_block;
1778 }
1779
1780 static void BlockDecode( demux_t *p_demux, KaxBlock *block, mtime_t i_pts,
1781                          mtime_t i_duration )
1782 {
1783     demux_sys_t        *p_sys = p_demux->p_sys;
1784     matroska_segment_c *p_segment = p_sys->p_current_segment->Segment();
1785
1786     size_t          i_track;
1787     unsigned int    i;
1788     vlc_bool_t      b;
1789
1790 #define tk  p_segment->tracks[i_track]
1791     for( i_track = 0; i_track < p_segment->tracks.size(); i_track++ )
1792     {
1793         if( tk->i_number == block->TrackNum() )
1794         {
1795             break;
1796         }
1797     }
1798
1799     if( i_track >= p_segment->tracks.size() )
1800     {
1801         msg_Err( p_demux, "invalid track number=%d", block->TrackNum() );
1802         return;
1803     }
1804     if( tk->fmt.i_cat != NAV_ES && tk->p_es == NULL )
1805     {
1806         msg_Err( p_demux, "unknown track number=%d", block->TrackNum() );
1807         return;
1808     }
1809     if( i_pts + i_duration < p_sys->i_start_pts && tk->fmt.i_cat == AUDIO_ES )
1810     {
1811         return; /* discard audio packets that shouldn't be rendered */
1812     }
1813
1814     if ( tk->fmt.i_cat != NAV_ES )
1815     {
1816         es_out_Control( p_demux->out, ES_OUT_GET_ES_STATE, tk->p_es, &b );
1817
1818         if( !b )
1819         {
1820             tk->b_inited = VLC_FALSE;
1821             return;
1822         }
1823     }
1824
1825
1826     /* First send init data */
1827     if( !tk->b_inited && tk->i_data_init > 0 )
1828     {
1829         block_t *p_init;
1830
1831         msg_Dbg( p_demux, "sending header (%d bytes)", tk->i_data_init );
1832         p_init = MemToBlock( p_demux, tk->p_data_init, tk->i_data_init );
1833         if( p_init ) es_out_Send( p_demux->out, tk->p_es, p_init );
1834     }
1835     tk->b_inited = VLC_TRUE;
1836
1837
1838     for( i = 0; i < block->NumberFrames(); i++ )
1839     {
1840         block_t *p_block;
1841         DataBuffer &data = block->GetBuffer(i);
1842
1843         p_block = MemToBlock( p_demux, data.Buffer(), data.Size() );
1844
1845         if( p_block == NULL )
1846         {
1847             break;
1848         }
1849
1850 #if defined(HAVE_ZLIB_H)
1851         if( tk->i_compression_type )
1852         {
1853             p_block = block_zlib_decompress( VLC_OBJECT(p_demux), p_block );
1854         }
1855 #endif
1856
1857         if ( tk->fmt.i_cat == NAV_ES )
1858         {
1859             // TODO handle the start/stop times of this packet
1860             if ( p_sys->b_ui_hooked )
1861             {
1862                 vlc_mutex_lock( &p_sys->p_ev->lock );
1863                 memcpy( &p_sys->pci_packet, &p_block->p_buffer[1], sizeof(pci_t) );
1864                 p_sys->SwapButtons();
1865                 p_sys->b_pci_packet_set = true;
1866                 vlc_mutex_unlock( &p_sys->p_ev->lock );
1867                 block_Release( p_block );
1868             }
1869             return;
1870         }
1871         // TODO implement correct timestamping when B frames are used
1872 #if 0
1873         if( tk->fmt.i_cat != VIDEO_ES )
1874         {
1875             p_block->i_dts = p_block->i_pts = i_pts;
1876         }
1877         else
1878         {
1879             p_block->i_pts = i_pts;
1880             p_block->i_dts = p_sys->i_pts;
1881         }
1882 #else
1883         p_block->i_pts = i_pts;
1884         p_block->i_dts = p_sys->i_last_dts;
1885 #endif
1886
1887 #if 0
1888 msg_Dbg( p_demux, "block i_dts: "I64Fd" / i_pts: "I64Fd, p_block->i_dts, p_block->i_pts);
1889 #endif
1890         if( strcmp( tk->psz_codec, "S_VOBSUB" ) )
1891         {
1892             p_block->i_length = i_duration * 1000;
1893         }
1894
1895         es_out_Send( p_demux->out, tk->p_es, p_block );
1896
1897         /* use time stamp only for first block */
1898         i_pts = 0;
1899     }
1900
1901 #undef tk
1902 }
1903
1904 matroska_stream_c *demux_sys_t::AnalyseAllSegmentsFound( EbmlStream *p_estream )
1905 {
1906     int i_upper_lvl = 0;
1907     size_t i;
1908     EbmlElement *p_l0, *p_l1, *p_l2;
1909     bool b_keep_stream = false, b_keep_segment;
1910
1911     // verify the EBML Header
1912     p_l0 = p_estream->FindNextID(EbmlHead::ClassInfos, 0xFFFFFFFFL);
1913     if (p_l0 == NULL)
1914     {
1915         return NULL;
1916     }
1917     p_l0->SkipData(*p_estream, EbmlHead_Context);
1918     delete p_l0;
1919
1920     // find all segments in this file
1921     p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFFLL);
1922     if (p_l0 == NULL)
1923     {
1924         return NULL;
1925     }
1926
1927     matroska_stream_c *p_stream1 = new matroska_stream_c( *this );
1928
1929     while (p_l0 != 0)
1930     {
1931         if (EbmlId(*p_l0) == KaxSegment::ClassInfos.GlobalId)
1932         {
1933             EbmlParser  *ep;
1934             matroska_segment_c *p_segment1 = new matroska_segment_c( *this, *p_estream );
1935             b_keep_segment = false;
1936
1937             ep = new EbmlParser(p_estream, p_l0, &demuxer );
1938             p_segment1->ep = ep;
1939             p_segment1->segment = (KaxSegment*)p_l0;
1940
1941             while ((p_l1 = ep->Get()))
1942             {
1943                 if (MKV_IS_ID(p_l1, KaxInfo))
1944                 {
1945                     // find the families of this segment
1946                     KaxInfo *p_info = static_cast<KaxInfo*>(p_l1);
1947
1948                     p_info->Read(*p_estream, KaxInfo::ClassInfos.Context, i_upper_lvl, p_l2, true);
1949                     for( i = 0; i < p_info->ListSize(); i++ )
1950                     {
1951                         EbmlElement *l = (*p_info)[i];
1952
1953                         if( MKV_IS_ID( l, KaxSegmentUID ) )
1954                         {
1955                             KaxSegmentUID *p_uid = static_cast<KaxSegmentUID*>(l);
1956                             b_keep_segment = (FindSegment( *p_uid ) == NULL);
1957                             if ( !b_keep_segment )
1958                                 break; // this segment is already known
1959                             opened_segments.push_back( p_segment1 );
1960                             delete p_segment1->p_segment_uid;
1961                             p_segment1->p_segment_uid = new KaxSegmentUID(*p_uid);
1962                         }
1963                         else if( MKV_IS_ID( l, KaxPrevUID ) )
1964                         {
1965                             p_segment1->p_prev_segment_uid = new KaxPrevUID( *static_cast<KaxPrevUID*>(l) );
1966                         }
1967                         else if( MKV_IS_ID( l, KaxNextUID ) )
1968                         {
1969                             p_segment1->p_next_segment_uid = new KaxNextUID( *static_cast<KaxNextUID*>(l) );
1970                         }
1971                         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
1972                         {
1973                             KaxSegmentFamily *p_fam = new KaxSegmentFamily( *static_cast<KaxSegmentFamily*>(l) );
1974                             p_segment1->families.push_back( *p_fam );
1975                         }
1976                     }
1977                     break;
1978                 }
1979             }
1980             if ( b_keep_segment )
1981             {
1982                 b_keep_stream = true;
1983                 p_stream1->segments.push_back( p_segment1 );
1984             }
1985             else
1986                 delete p_segment1;
1987         }
1988
1989         p_l0->SkipData(*p_estream, EbmlHead_Context);
1990         p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFL);
1991     }
1992
1993     if ( !b_keep_stream )
1994     {
1995         delete p_stream1;
1996         p_stream1 = NULL;
1997     }
1998
1999     return p_stream1;
2000 }
2001
2002 bool matroska_segment_c::Select( mtime_t i_start_time )
2003 {
2004     size_t i_track;
2005
2006     /* add all es */
2007     msg_Dbg( &sys.demuxer, "found %d es", tracks.size() );
2008     sys.b_pci_packet_set = false;
2009
2010     for( i_track = 0; i_track < tracks.size(); i_track++ )
2011     {
2012         if( tracks[i_track]->fmt.i_cat == UNKNOWN_ES )
2013         {
2014             msg_Warn( &sys.demuxer, "invalid track[%d, n=%d]", i_track, tracks[i_track]->i_number );
2015             tracks[i_track]->p_es = NULL;
2016             continue;
2017         }
2018
2019         if( !strcmp( tracks[i_track]->psz_codec, "V_MS/VFW/FOURCC" ) )
2020         {
2021             if( tracks[i_track]->i_extra_data < (int)sizeof( BITMAPINFOHEADER ) )
2022             {
2023                 msg_Err( &sys.demuxer, "missing/invalid BITMAPINFOHEADER" );
2024                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2025             }
2026             else
2027             {
2028                 BITMAPINFOHEADER *p_bih = (BITMAPINFOHEADER*)tracks[i_track]->p_extra_data;
2029
2030                 tracks[i_track]->fmt.video.i_width = GetDWLE( &p_bih->biWidth );
2031                 tracks[i_track]->fmt.video.i_height= GetDWLE( &p_bih->biHeight );
2032                 tracks[i_track]->fmt.i_codec       = GetFOURCC( &p_bih->biCompression );
2033
2034                 tracks[i_track]->fmt.i_extra       = GetDWLE( &p_bih->biSize ) - sizeof( BITMAPINFOHEADER );
2035                 if( tracks[i_track]->fmt.i_extra > 0 )
2036                 {
2037                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2038                     memcpy( tracks[i_track]->fmt.p_extra, &p_bih[1], tracks[i_track]->fmt.i_extra );
2039                 }
2040             }
2041         }
2042         else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG1" ) ||
2043                  !strcmp( tracks[i_track]->psz_codec, "V_MPEG2" ) )
2044         {
2045             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'v' );
2046         }
2047         else if( !strncmp( tracks[i_track]->psz_codec, "V_MPEG4", 7 ) )
2048         {
2049             if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/MS/V3" ) )
2050             {
2051                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'D', 'I', 'V', '3' );
2052             }
2053             else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/ISO/AVC" ) )
2054             {
2055                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'v', 'c', '1' );
2056                 tracks[i_track]->fmt.b_packetized = VLC_FALSE;
2057                 tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2058                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2059                 memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2060             }
2061             else
2062             {
2063                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' );
2064             }
2065         }
2066         else if( !strcmp( tracks[i_track]->psz_codec, "V_QUICKTIME" ) )
2067         {
2068             MP4_Box_t *p_box = (MP4_Box_t*)malloc( sizeof( MP4_Box_t ) );
2069             stream_t *p_mp4_stream = stream_MemoryNew( VLC_OBJECT(&sys.demuxer),
2070                                                        tracks[i_track]->p_extra_data,
2071                                                        tracks[i_track]->i_extra_data,
2072                                                        VLC_FALSE );
2073             MP4_ReadBoxCommon( p_mp4_stream, p_box );
2074             MP4_ReadBox_sample_vide( p_mp4_stream, p_box );
2075             tracks[i_track]->fmt.i_codec = p_box->i_type;
2076             tracks[i_track]->fmt.video.i_width = p_box->data.p_sample_vide->i_width;
2077             tracks[i_track]->fmt.video.i_height = p_box->data.p_sample_vide->i_height;
2078             tracks[i_track]->fmt.i_extra = p_box->data.p_sample_vide->i_qt_image_description;
2079             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2080             memcpy( tracks[i_track]->fmt.p_extra, p_box->data.p_sample_vide->p_qt_image_description, tracks[i_track]->fmt.i_extra );
2081             MP4_FreeBox_sample_vide( p_box );
2082             stream_Delete( p_mp4_stream );
2083         }
2084         else if( !strcmp( tracks[i_track]->psz_codec, "A_MS/ACM" ) )
2085         {
2086             if( tracks[i_track]->i_extra_data < (int)sizeof( WAVEFORMATEX ) )
2087             {
2088                 msg_Err( &sys.demuxer, "missing/invalid WAVEFORMATEX" );
2089                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2090             }
2091             else
2092             {
2093                 WAVEFORMATEX *p_wf = (WAVEFORMATEX*)tracks[i_track]->p_extra_data;
2094
2095                 wf_tag_to_fourcc( GetWLE( &p_wf->wFormatTag ), &tracks[i_track]->fmt.i_codec, NULL );
2096
2097                 tracks[i_track]->fmt.audio.i_channels   = GetWLE( &p_wf->nChannels );
2098                 tracks[i_track]->fmt.audio.i_rate = GetDWLE( &p_wf->nSamplesPerSec );
2099                 tracks[i_track]->fmt.i_bitrate    = GetDWLE( &p_wf->nAvgBytesPerSec ) * 8;
2100                 tracks[i_track]->fmt.audio.i_blockalign = GetWLE( &p_wf->nBlockAlign );;
2101                 tracks[i_track]->fmt.audio.i_bitspersample = GetWLE( &p_wf->wBitsPerSample );
2102
2103                 tracks[i_track]->fmt.i_extra            = GetWLE( &p_wf->cbSize );
2104                 if( tracks[i_track]->fmt.i_extra > 0 )
2105                 {
2106                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2107                     memcpy( tracks[i_track]->fmt.p_extra, &p_wf[1], tracks[i_track]->fmt.i_extra );
2108                 }
2109             }
2110         }
2111         else if( !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L3" ) ||
2112                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L2" ) ||
2113                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L1" ) )
2114         {
2115             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' );
2116         }
2117         else if( !strcmp( tracks[i_track]->psz_codec, "A_AC3" ) )
2118         {
2119             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' );
2120         }
2121         else if( !strcmp( tracks[i_track]->psz_codec, "A_DTS" ) )
2122         {
2123             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'd', 't', 's', ' ' );
2124         }
2125         else if( !strcmp( tracks[i_track]->psz_codec, "A_FLAC" ) )
2126         {
2127             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'f', 'l', 'a', 'c' );
2128             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2129             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2130             memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2131         }
2132         else if( !strcmp( tracks[i_track]->psz_codec, "A_VORBIS" ) )
2133         {
2134             int i, i_offset = 1, i_size[3], i_extra;
2135             uint8_t *p_extra;
2136
2137             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'v', 'o', 'r', 'b' );
2138
2139             /* Split the 3 headers */
2140             if( tracks[i_track]->p_extra_data[0] != 0x02 )
2141                 msg_Err( &sys.demuxer, "invalid vorbis header" );
2142
2143             for( i = 0; i < 2; i++ )
2144             {
2145                 i_size[i] = 0;
2146                 while( i_offset < tracks[i_track]->i_extra_data )
2147                 {
2148                     i_size[i] += tracks[i_track]->p_extra_data[i_offset];
2149                     if( tracks[i_track]->p_extra_data[i_offset++] != 0xff ) break;
2150                 }
2151             }
2152
2153             i_size[0] = __MIN(i_size[0], tracks[i_track]->i_extra_data - i_offset);
2154             i_size[1] = __MIN(i_size[1], tracks[i_track]->i_extra_data -i_offset -i_size[0]);
2155             i_size[2] = tracks[i_track]->i_extra_data - i_offset - i_size[0] - i_size[1];
2156
2157             tracks[i_track]->fmt.i_extra = 3 * 2 + i_size[0] + i_size[1] + i_size[2];
2158             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2159             p_extra = (uint8_t *)tracks[i_track]->fmt.p_extra; i_extra = 0;
2160             for( i = 0; i < 3; i++ )
2161             {
2162                 *(p_extra++) = i_size[i] >> 8;
2163                 *(p_extra++) = i_size[i] & 0xFF;
2164                 memcpy( p_extra, tracks[i_track]->p_extra_data + i_offset + i_extra,
2165                         i_size[i] );
2166                 p_extra += i_size[i];
2167                 i_extra += i_size[i];
2168             }
2169         }
2170         else if( !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG2/", strlen( "A_AAC/MPEG2/" ) ) ||
2171                  !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG4/", strlen( "A_AAC/MPEG4/" ) ) )
2172         {
2173             int i_profile, i_srate;
2174             static unsigned int i_sample_rates[] =
2175             {
2176                     96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050,
2177                         16000, 12000, 11025, 8000,  7350,  0,     0,     0
2178             };
2179
2180             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
2181             /* create data for faad (MP4DecSpecificDescrTag)*/
2182
2183             if( !strcmp( &tracks[i_track]->psz_codec[12], "MAIN" ) )
2184             {
2185                 i_profile = 0;
2186             }
2187             else if( !strcmp( &tracks[i_track]->psz_codec[12], "LC" ) )
2188             {
2189                 i_profile = 1;
2190             }
2191             else if( !strcmp( &tracks[i_track]->psz_codec[12], "SSR" ) )
2192             {
2193                 i_profile = 2;
2194             }
2195             else
2196             {
2197                 i_profile = 3;
2198             }
2199
2200             for( i_srate = 0; i_srate < 13; i_srate++ )
2201             {
2202                 if( i_sample_rates[i_srate] == tracks[i_track]->fmt.audio.i_rate )
2203                 {
2204                     break;
2205                 }
2206             }
2207             msg_Dbg( &sys.demuxer, "profile=%d srate=%d", i_profile, i_srate );
2208
2209             tracks[i_track]->fmt.i_extra = 2;
2210             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2211             ((uint8_t*)tracks[i_track]->fmt.p_extra)[0] = ((i_profile + 1) << 3) | ((i_srate&0xe) >> 1);
2212             ((uint8_t*)tracks[i_track]->fmt.p_extra)[1] = ((i_srate & 0x1) << 7) | (tracks[i_track]->fmt.audio.i_channels << 3);
2213         }
2214         else if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) ||
2215                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/LIT" ) ||
2216                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/FLOAT/IEEE" ) )
2217         {
2218             if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) )
2219             {
2220                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
2221             }
2222             else
2223             {
2224                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
2225             }
2226             tracks[i_track]->fmt.audio.i_blockalign = ( tracks[i_track]->fmt.audio.i_bitspersample + 7 ) / 8 * tracks[i_track]->fmt.audio.i_channels;
2227         }
2228         else if( !strcmp( tracks[i_track]->psz_codec, "A_TTA1" ) )
2229         {
2230             /* FIXME: support this codec */
2231             msg_Err( &sys.demuxer, "TTA not supported yet[%d, n=%d]", i_track, tracks[i_track]->i_number );
2232             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2233         }
2234         else if( !strcmp( tracks[i_track]->psz_codec, "A_WAVPACK4" ) )
2235         {
2236             /* FIXME: support this codec */
2237             msg_Err( &sys.demuxer, "Wavpack not supported yet[%d, n=%d]", i_track, tracks[i_track]->i_number );
2238             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2239         }
2240         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/UTF8" ) )
2241         {
2242             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 'u', 'b', 't' );
2243             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2244         }
2245         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/SSA" ) ||
2246                  !strcmp( tracks[i_track]->psz_codec, "S_TEXT/ASS" ) ||
2247                  !strcmp( tracks[i_track]->psz_codec, "S_SSA" ) ||
2248                  !strcmp( tracks[i_track]->psz_codec, "S_ASS" ))
2249         {
2250             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 's', 'a', ' ' );
2251             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2252         }
2253         else if( !strcmp( tracks[i_track]->psz_codec, "S_VOBSUB" ) )
2254         {
2255             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's','p','u',' ' );
2256             if( tracks[i_track]->i_extra_data )
2257             {
2258                 char *p_start;
2259                 char *p_buf = (char *)malloc( tracks[i_track]->i_extra_data + 1);
2260                 memcpy( p_buf, tracks[i_track]->p_extra_data , tracks[i_track]->i_extra_data );
2261                 p_buf[tracks[i_track]->i_extra_data] = '\0';
2262
2263                 p_start = strstr( p_buf, "size:" );
2264                 if( sscanf( p_start, "size: %dx%d",
2265                         &tracks[i_track]->fmt.subs.spu.i_original_frame_width, &tracks[i_track]->fmt.subs.spu.i_original_frame_height ) == 2 )
2266                 {
2267                     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 );
2268                 }
2269                 else
2270                 {
2271                     msg_Warn( &sys.demuxer, "reading original frame size for vobsub failed" );
2272                 }
2273                 free( p_buf );
2274             }
2275         }
2276         else if( !strcmp( tracks[i_track]->psz_codec, "B_VOBBTN" ) )
2277         {
2278             tracks[i_track]->fmt.i_cat = NAV_ES;
2279             continue;
2280         }
2281         else
2282         {
2283             msg_Err( &sys.demuxer, "unknow codec id=`%s'", tracks[i_track]->psz_codec );
2284             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2285         }
2286         if( tracks[i_track]->b_default )
2287         {
2288             tracks[i_track]->fmt.i_priority = 1000;
2289         }
2290
2291         tracks[i_track]->p_es = es_out_Add( sys.demuxer.out, &tracks[i_track]->fmt );
2292
2293         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_start_time );
2294     }
2295
2296     sys.i_start_pts = i_start_time;
2297     // reset the stream reading to the first cluster of the segment used
2298     es.I_O().setFilePointer( i_start_pos );
2299
2300     delete ep;
2301     ep = new EbmlParser( &es, segment, &sys.demuxer );
2302
2303     return true;
2304 }
2305
2306 void demux_sys_t::StartUiThread()
2307 {
2308     if ( !b_ui_hooked )
2309     {
2310         msg_Dbg( &demuxer, "Starting the UI Hook" );
2311         b_ui_hooked = true;
2312         /* FIXME hack hack hack hack FIXME */
2313         /* Get p_input and create variable */
2314         p_input = (input_thread_t *) vlc_object_find( &demuxer, VLC_OBJECT_INPUT, FIND_PARENT );
2315         var_Create( p_input, "x-start", VLC_VAR_INTEGER );
2316         var_Create( p_input, "y-start", VLC_VAR_INTEGER );
2317         var_Create( p_input, "x-end", VLC_VAR_INTEGER );
2318         var_Create( p_input, "y-end", VLC_VAR_INTEGER );
2319         var_Create( p_input, "color", VLC_VAR_ADDRESS );
2320         var_Create( p_input, "menu-palette", VLC_VAR_ADDRESS );
2321         var_Create( p_input, "highlight", VLC_VAR_BOOL );
2322         var_Create( p_input, "highlight-mutex", VLC_VAR_MUTEX );
2323
2324         /* Now create our event thread catcher */
2325         p_ev = (event_thread_t *) vlc_object_create( &demuxer, sizeof( event_thread_t ) );
2326         p_ev->p_demux = &demuxer;
2327         p_ev->b_die = VLC_FALSE;
2328         vlc_mutex_init( p_ev, &p_ev->lock );
2329         vlc_thread_create( p_ev, "mkv event thread handler", EventThread,
2330                         VLC_THREAD_PRIORITY_LOW, VLC_FALSE );
2331     }
2332 }
2333
2334 void demux_sys_t::StopUiThread()
2335 {
2336     if ( b_ui_hooked )
2337     {
2338         p_ev->b_die = VLC_TRUE;
2339
2340         vlc_thread_join( p_ev );
2341         vlc_object_destroy( p_ev );
2342
2343         p_ev = NULL;
2344
2345         var_Destroy( p_input, "highlight-mutex" );
2346         var_Destroy( p_input, "highlight" );
2347         var_Destroy( p_input, "x-start" );
2348         var_Destroy( p_input, "x-end" );
2349         var_Destroy( p_input, "y-start" );
2350         var_Destroy( p_input, "y-end" );
2351         var_Destroy( p_input, "color" );
2352         var_Destroy( p_input, "menu-palette" );
2353
2354         vlc_object_release( p_input );
2355
2356         msg_Dbg( &demuxer, "Stopping the UI Hook" );
2357     }
2358     b_ui_hooked = false;
2359 }
2360
2361 int demux_sys_t::EventMouse( vlc_object_t *p_this, char const *psz_var,
2362                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
2363 {
2364     event_thread_t *p_ev = (event_thread_t *) p_data;
2365     vlc_mutex_lock( &p_ev->lock );
2366     if( psz_var[6] == 'c' )
2367         p_ev->b_clicked = VLC_TRUE;
2368     else if( psz_var[6] == 'm' )
2369         p_ev->b_moved = VLC_TRUE;
2370     vlc_mutex_unlock( &p_ev->lock );
2371
2372     return VLC_SUCCESS;
2373 }
2374
2375 int demux_sys_t::EventKey( vlc_object_t *p_this, char const *psz_var,
2376                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
2377 {
2378     event_thread_t *p_ev = (event_thread_t *) p_data;
2379     vlc_mutex_lock( &p_ev->lock );
2380     p_ev->b_key = VLC_TRUE;
2381     vlc_mutex_unlock( &p_ev->lock );
2382
2383     return VLC_SUCCESS;
2384 }
2385
2386 int demux_sys_t::EventThread( vlc_object_t *p_this )
2387 {
2388     event_thread_t *p_ev = (event_thread_t*)p_this;
2389     demux_sys_t    *p_sys = p_ev->p_demux->p_sys;
2390     vlc_object_t   *p_vout = NULL;
2391
2392     p_ev->b_moved   = VLC_FALSE;
2393     p_ev->b_clicked = VLC_FALSE;
2394     p_ev->b_key     = VLC_FALSE;
2395
2396     /* catch all key event */
2397     var_AddCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2398
2399     /* main loop */
2400     while( !p_ev->b_die )
2401     {
2402         if ( !p_sys->b_pci_packet_set )
2403         {
2404             /* Wait 100ms */
2405             msleep( 100000 );
2406             continue;
2407         }
2408
2409         vlc_bool_t b_activated = VLC_FALSE;
2410
2411         /* KEY part */
2412         if( p_ev->b_key )
2413         {
2414             vlc_value_t valk;
2415             struct vlc_t::hotkey *p_hotkeys = p_ev->p_vlc->p_hotkeys;
2416             int i, i_action = -1;
2417
2418             vlc_mutex_lock( &p_ev->lock );
2419
2420             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2421
2422             var_Get( p_ev->p_vlc, "key-pressed", &valk );
2423             for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
2424             {
2425                 if( p_hotkeys[i].i_key == valk.i_int )
2426                 {
2427                     i_action = p_hotkeys[i].i_action;
2428                 }
2429             }
2430
2431             uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2432
2433             switch( i_action )
2434             {
2435             case ACTIONID_NAV_LEFT:
2436                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2437                 {
2438                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2439                     if ( p_button_ptr->left > 0 && p_button_ptr->left <= pci->hli.hl_gi.btn_ns )
2440                     {
2441                         i_curr_button = p_button_ptr->left;
2442                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2443                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2444                         if ( button_ptr.auto_action_mode )
2445                         {
2446                             vlc_mutex_unlock( &p_ev->lock );
2447                             vlc_mutex_lock( &p_sys->lock_demuxer );
2448
2449                             // process the button action
2450                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2451
2452                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2453                             vlc_mutex_lock( &p_ev->lock );
2454                         }
2455                     }
2456                 }
2457                 break;
2458             case ACTIONID_NAV_RIGHT:
2459                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2460                 {
2461                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2462                     if ( p_button_ptr->right > 0 && p_button_ptr->right <= pci->hli.hl_gi.btn_ns )
2463                     {
2464                         i_curr_button = p_button_ptr->right;
2465                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2466                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2467                         if ( button_ptr.auto_action_mode )
2468                         {
2469                             vlc_mutex_unlock( &p_ev->lock );
2470                             vlc_mutex_lock( &p_sys->lock_demuxer );
2471
2472                             // process the button action
2473                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2474
2475                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2476                             vlc_mutex_lock( &p_ev->lock );
2477                         }
2478                     }
2479                 }
2480                 break;
2481             case ACTIONID_NAV_UP:
2482                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2483                 {
2484                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2485                     if ( p_button_ptr->up > 0 && p_button_ptr->up <= pci->hli.hl_gi.btn_ns )
2486                     {
2487                         i_curr_button = p_button_ptr->up;
2488                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2489                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2490                         if ( button_ptr.auto_action_mode )
2491                         {
2492                             vlc_mutex_unlock( &p_ev->lock );
2493                             vlc_mutex_lock( &p_sys->lock_demuxer );
2494
2495                             // process the button action
2496                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2497
2498                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2499                             vlc_mutex_lock( &p_ev->lock );
2500                         }
2501                     }
2502                 }
2503                 break;
2504             case ACTIONID_NAV_DOWN:
2505                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2506                 {
2507                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2508                     if ( p_button_ptr->down > 0 && p_button_ptr->down <= pci->hli.hl_gi.btn_ns )
2509                     {
2510                         i_curr_button = p_button_ptr->down;
2511                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2512                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2513                         if ( button_ptr.auto_action_mode )
2514                         {
2515                             vlc_mutex_unlock( &p_ev->lock );
2516                             vlc_mutex_lock( &p_sys->lock_demuxer );
2517
2518                             // process the button action
2519                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2520
2521                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2522                             vlc_mutex_lock( &p_ev->lock );
2523                         }
2524                     }
2525                 }
2526                 break;
2527             case ACTIONID_NAV_ACTIVATE:
2528                 b_activated = VLC_TRUE;
2529
2530                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2531                 {
2532                     btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2533
2534                     vlc_mutex_unlock( &p_ev->lock );
2535                     vlc_mutex_lock( &p_sys->lock_demuxer );
2536
2537                     // process the button action
2538                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2539
2540                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2541                     vlc_mutex_lock( &p_ev->lock );
2542                 }
2543                 break;
2544             default:
2545                 break;
2546             }
2547             p_ev->b_key = VLC_FALSE;
2548             vlc_mutex_unlock( &p_ev->lock );
2549         }
2550
2551         /* MOUSE part */
2552         if( p_vout && ( p_ev->b_moved || p_ev->b_clicked ) )
2553         {
2554             vlc_value_t valx, valy;
2555
2556             vlc_mutex_lock( &p_ev->lock );
2557             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2558             var_Get( p_vout, "mouse-x", &valx );
2559             var_Get( p_vout, "mouse-y", &valy );
2560
2561             if( p_ev->b_clicked )
2562             {
2563                 int32_t button;
2564                 int32_t best,dist,d;
2565                 int32_t mx,my,dx,dy;
2566
2567                 b_activated = VLC_TRUE;
2568                 // get current button
2569                 best = 0;
2570                 dist = 0x08000000; /* >> than  (720*720)+(567*567); */
2571                 for(button = 1; button <= pci->hli.hl_gi.btn_ns; button++)
2572                 {
2573                     btni_t *button_ptr = &(pci->hli.btnit[button-1]);
2574
2575                     if((valx.i_int >= button_ptr->x_start) && (valx.i_int <= button_ptr->x_end) &&
2576                        (valy.i_int >= button_ptr->y_start) && (valy.i_int <= button_ptr->y_end))
2577                     {
2578                         mx = (button_ptr->x_start + button_ptr->x_end)/2;
2579                         my = (button_ptr->y_start + button_ptr->y_end)/2;
2580                         dx = mx - valx.i_int;
2581                         dy = my - valy.i_int;
2582                         d = (dx*dx) + (dy*dy);
2583                         /* If the mouse is within the button and the mouse is closer
2584                         * to the center of this button then it is the best choice. */
2585                         if(d < dist) {
2586                             dist = d;
2587                             best = button;
2588                         }
2589                     }
2590                 }
2591
2592                 if ( best != 0)
2593                 {
2594                     btni_t button_ptr = pci->hli.btnit[best-1];
2595                     uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2596
2597                     msg_Dbg( &p_sys->demuxer, "Clicked button %d", best );
2598                     vlc_mutex_unlock( &p_ev->lock );
2599                     vlc_mutex_lock( &p_sys->lock_demuxer );
2600
2601                     // process the button action
2602                     p_sys->dvd_interpretor.SetSPRM( 0x88, best );
2603                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2604
2605                     msg_Dbg( &p_sys->demuxer, "Processed button %d", best );
2606
2607                     // select new button
2608                     if ( best != i_curr_button )
2609                     {
2610                         vlc_value_t val;
2611
2612                         if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
2613                         {
2614                             vlc_mutex_t *p_mutex = (vlc_mutex_t *) val.p_address;
2615                             uint32_t i_palette;
2616
2617                             if(button_ptr.btn_coln != 0) {
2618                                 i_palette = pci->hli.btn_colit.btn_coli[button_ptr.btn_coln-1][1];
2619                             } else {
2620                                 i_palette = 0;
2621                             }
2622
2623                             for( int i = 0; i < 4; i++ )
2624                             {
2625                                 uint32_t i_yuv = 0xFF;//p_sys->clut[(hl.palette>>(16+i*4))&0x0f];
2626                                 uint8_t i_alpha = (i_palette>>(i*4))&0x0f;
2627                                 i_alpha = i_alpha == 0xf ? 0xff : i_alpha << 4;
2628
2629                                 p_sys->palette[i][0] = (i_yuv >> 16) & 0xff;
2630                                 p_sys->palette[i][1] = (i_yuv >> 0) & 0xff;
2631                                 p_sys->palette[i][2] = (i_yuv >> 8) & 0xff;
2632                                 p_sys->palette[i][3] = i_alpha;
2633                             }
2634
2635                             vlc_mutex_lock( p_mutex );
2636                             val.i_int = button_ptr.x_start; var_Set( p_sys->p_input, "x-start", val );
2637                             val.i_int = button_ptr.x_end;   var_Set( p_sys->p_input, "x-end",   val );
2638                             val.i_int = button_ptr.y_start; var_Set( p_sys->p_input, "y-start", val );
2639                             val.i_int = button_ptr.y_end;   var_Set( p_sys->p_input, "y-end",   val );
2640
2641                             val.p_address = (void *)p_sys->palette;
2642                             var_Set( p_sys->p_input, "menu-palette", val );
2643
2644                             val.b_bool = VLC_TRUE; var_Set( p_sys->p_input, "highlight", val );
2645                             vlc_mutex_unlock( p_mutex );
2646                         }
2647                     }
2648                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2649                     vlc_mutex_lock( &p_ev->lock );
2650                 }
2651             }
2652             else if( p_ev->b_moved )
2653             {
2654 //                dvdnav_mouse_select( NULL, pci, valx.i_int, valy.i_int );
2655             }
2656
2657             p_ev->b_moved = VLC_FALSE;
2658             p_ev->b_clicked = VLC_FALSE;
2659             vlc_mutex_unlock( &p_ev->lock );
2660         }
2661
2662         /* VOUT part */
2663         if( p_vout && p_vout->b_die )
2664         {
2665             var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2666             var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2667             vlc_object_release( p_vout );
2668             p_vout = NULL;
2669         }
2670
2671         else if( p_vout == NULL )
2672         {
2673             p_vout = (vlc_object_t*) vlc_object_find( p_sys->p_input, VLC_OBJECT_VOUT,
2674                                       FIND_CHILD );
2675             if( p_vout)
2676             {
2677                 var_AddCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2678                 var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2679             }
2680         }
2681
2682         /* Wait a bit, 10ms */
2683         msleep( 10000 );
2684     }
2685
2686     /* Release callback */
2687     if( p_vout )
2688     {
2689         var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2690         var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2691         vlc_object_release( p_vout );
2692     }
2693     var_DelCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2694
2695     vlc_mutex_destroy( &p_ev->lock );
2696
2697     return VLC_SUCCESS;
2698 }
2699
2700 void matroska_segment_c::UnSelect( )
2701 {
2702     size_t i_track;
2703
2704     for( i_track = 0; i_track < tracks.size(); i_track++ )
2705     {
2706         if ( tracks[i_track]->p_es != NULL )
2707         {
2708 //            es_format_Clean( &tracks[i_track]->fmt );
2709             es_out_Del( sys.demuxer.out, tracks[i_track]->p_es );
2710             tracks[i_track]->p_es = NULL;
2711         }
2712     }
2713     delete ep;
2714     ep = NULL;
2715 }
2716
2717 void virtual_segment_c::PrepareChapters( )
2718 {
2719     if ( linked_segments.size() == 0 )
2720         return;
2721
2722     // !!! should be called only once !!!
2723     matroska_segment_c *p_segment;
2724     size_t i, j;
2725
2726     // copy editions from the first segment
2727     p_segment = linked_segments[0];
2728     p_editions = &p_segment->stored_editions;
2729
2730     for ( i=1 ; i<linked_segments.size(); i++ )
2731     {
2732         p_segment = linked_segments[i];
2733         // FIXME assume we have the same editions in all segments
2734         for (j=0; j<p_segment->stored_editions.size(); j++)
2735             (*p_editions)[j]->Append( *p_segment->stored_editions[j] );
2736     }
2737 }
2738
2739 std::string chapter_edition_c::GetMainName() const
2740 {
2741     if ( sub_chapters.size() )
2742     {
2743         return sub_chapters[0]->GetCodecName( true );
2744     }
2745     return "";
2746 }
2747
2748 int chapter_item_c::PublishChapters( input_title_t & title, int & i_user_chapters, int i_level )
2749 {
2750     // add support for meta-elements from codec like DVD Titles
2751     if ( !b_display_seekpoint || psz_name == "" )
2752     {
2753         psz_name = GetCodecName();
2754         if ( psz_name != "" )
2755             b_display_seekpoint = true;
2756     }
2757
2758     if (b_display_seekpoint)
2759     {
2760         seekpoint_t *sk = vlc_seekpoint_New();
2761
2762         sk->i_level = i_level;
2763         sk->i_time_offset = i_start_time;
2764         sk->psz_name = strdup( psz_name.c_str() );
2765
2766         // A start time of '0' is ok. A missing ChapterTime element is ok, too, because '0' is its default value.
2767         title.i_seekpoint++;
2768         title.seekpoint = (seekpoint_t**)realloc( title.seekpoint, title.i_seekpoint * sizeof( seekpoint_t* ) );
2769         title.seekpoint[title.i_seekpoint-1] = sk;
2770
2771         if ( b_user_display )
2772             i_user_chapters++;
2773     }
2774
2775     for ( size_t i=0; i<sub_chapters.size() ; i++)
2776     {
2777         sub_chapters[i]->PublishChapters( title, i_user_chapters, i_level+1 );
2778     }
2779
2780     i_seekpoint_num = i_user_chapters;
2781
2782     return i_user_chapters;
2783 }
2784
2785 bool virtual_segment_c::UpdateCurrentToChapter( demux_t & demux )
2786 {
2787     demux_sys_t & sys = *demux.p_sys;
2788     chapter_item_c *psz_curr_chapter;
2789     bool b_has_seeked = false;
2790
2791     /* update current chapter/seekpoint */
2792     if ( p_editions->size() )
2793     {
2794         /* 1st, we need to know in which chapter we are */
2795         psz_curr_chapter = (*p_editions)[i_current_edition]->FindTimecode( sys.i_pts, psz_current_chapter );
2796
2797         /* we have moved to a new chapter */
2798         if (psz_curr_chapter != NULL && psz_current_chapter != psz_curr_chapter)
2799         {
2800             if ( (*p_editions)[i_current_edition]->b_ordered )
2801             {
2802                 // Leave/Enter up to the link point
2803                 b_has_seeked = psz_curr_chapter->EnterAndLeave( psz_current_chapter );
2804                 if ( !b_has_seeked )
2805                 {
2806                     // only physically seek if necessary
2807                     if ( psz_current_chapter == NULL || (psz_current_chapter->i_end_time != psz_curr_chapter->i_start_time) )
2808                         Seek( demux, sys.i_pts, 0, psz_curr_chapter );
2809                 }
2810             }
2811
2812             if ( !b_has_seeked )
2813             {
2814                 psz_current_chapter = psz_curr_chapter;
2815                 if ( psz_curr_chapter->i_seekpoint_num > 0 )
2816                 {
2817                     demux.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
2818                     demux.info.i_title = sys.i_current_title = i_sys_title;
2819                     demux.info.i_seekpoint = psz_curr_chapter->i_seekpoint_num - 1;
2820                 }
2821             }
2822
2823             return true;
2824         }
2825         else if (psz_curr_chapter == NULL)
2826         {
2827             // out of the scope of the data described by chapters, leave the edition
2828             if ( (*p_editions)[i_current_edition]->b_ordered && psz_current_chapter != NULL )
2829             {
2830                 if ( !(*p_editions)[i_current_edition]->EnterAndLeave( psz_current_chapter, false ) )
2831                     psz_current_chapter = NULL;
2832                 else
2833                     return true;
2834             }
2835         }
2836     }
2837     return false;
2838 }
2839
2840 chapter_item_c *virtual_segment_c::BrowseCodecPrivate( unsigned int codec_id,
2841                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
2842                                     const void *p_cookie,
2843                                     size_t i_cookie_size )
2844 {
2845     // FIXME don't assume it is the first edition
2846     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
2847     if ( index != p_editions->end() )
2848     {
2849         chapter_item_c *p_result = (*index)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
2850         if ( p_result != NULL )
2851             return p_result;
2852     }
2853     return NULL;
2854 }
2855
2856 chapter_item_c *virtual_segment_c::FindChapter( int64_t i_find_uid )
2857 {
2858     // FIXME don't assume it is the first edition
2859     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
2860     if ( index != p_editions->end() )
2861     {
2862         chapter_item_c *p_result = (*index)->FindChapter( i_find_uid );
2863         if ( p_result != NULL )
2864             return p_result;
2865     }
2866     return NULL;
2867 }
2868
2869 chapter_item_c *chapter_item_c::BrowseCodecPrivate( unsigned int codec_id,
2870                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
2871                                     const void *p_cookie,
2872                                     size_t i_cookie_size )
2873 {
2874     // this chapter
2875     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2876     while ( index != codecs.end() )
2877     {
2878         if ( match( **index ,p_cookie, i_cookie_size ) )
2879             return this;
2880         index++;
2881     }
2882
2883     // sub-chapters
2884     chapter_item_c *p_result = NULL;
2885     std::vector<chapter_item_c*>::const_iterator index2 = sub_chapters.begin();
2886     while ( index2 != sub_chapters.end() )
2887     {
2888         p_result = (*index2)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
2889         if ( p_result != NULL )
2890             return p_result;
2891         index2++;
2892     }
2893
2894     return p_result;
2895 }
2896
2897 void chapter_item_c::Append( const chapter_item_c & chapter )
2898 {
2899     // we are appending content for the same chapter UID
2900     size_t i;
2901     chapter_item_c *p_chapter;
2902
2903     for ( i=0; i<chapter.sub_chapters.size(); i++ )
2904     {
2905         p_chapter = FindChapter( chapter.sub_chapters[i]->i_uid );
2906         if ( p_chapter != NULL )
2907         {
2908             p_chapter->Append( *chapter.sub_chapters[i] );
2909         }
2910         else
2911         {
2912             sub_chapters.push_back( chapter.sub_chapters[i] );
2913         }
2914     }
2915
2916     i_user_start_time = min( i_user_start_time, chapter.i_user_start_time );
2917     i_user_end_time = max( i_user_end_time, chapter.i_user_end_time );
2918 }
2919
2920 chapter_item_c * chapter_item_c::FindChapter( int64_t i_find_uid )
2921 {
2922     size_t i;
2923     chapter_item_c *p_result = NULL;
2924
2925     if ( i_uid == i_find_uid )
2926         return this;
2927
2928     for ( i=0; i<sub_chapters.size(); i++)
2929     {
2930         p_result = sub_chapters[i]->FindChapter( i_find_uid );
2931         if ( p_result != NULL )
2932             break;
2933     }
2934     return p_result;
2935 }
2936
2937 std::string chapter_item_c::GetCodecName( bool f_for_title ) const
2938 {
2939     std::string result;
2940
2941     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2942     while ( index != codecs.end() )
2943     {
2944         result = (*index)->GetCodecName( f_for_title );
2945         if ( result != "" )
2946             break;
2947         index++;
2948     }
2949
2950     return result;
2951 }
2952
2953 std::string dvd_chapter_codec_c::GetCodecName( bool f_for_title ) const
2954 {
2955     std::string result;
2956     if ( p_private_data->GetSize() >= 3)
2957     {
2958         const binary* p_data = p_private_data->GetBuffer();
2959 /*        if ( p_data[0] == MATROSKA_DVD_LEVEL_TT )
2960         {
2961             uint16_t i_title = (p_data[1] << 8) + p_data[2];
2962             char psz_str[11];
2963             sprintf( psz_str, " %d  ---", i_title );
2964             result = N_("---  DVD Title");
2965             result += psz_str;
2966         }
2967         else */ if ( p_data[0] == MATROSKA_DVD_LEVEL_LU )
2968         {
2969             char psz_str[11];
2970             sprintf( psz_str, " (%c%c)  ---", p_data[1], p_data[2] );
2971             result = N_("---  DVD Menu");
2972             result += psz_str;
2973         }
2974         else if ( p_data[0] == MATROSKA_DVD_LEVEL_SS && f_for_title )
2975         {
2976             if ( p_data[1] == 0x00 )
2977                 result = N_("First Played");
2978             else if ( p_data[1] == 0xC0 )
2979                 result = N_("Video Manager");
2980             else if ( p_data[1] == 0x80 )
2981             {
2982                 uint16_t i_title = (p_data[2] << 8) + p_data[3];
2983                 char psz_str[20];
2984                 sprintf( psz_str, " %d -----", i_title );
2985                 result = N_("----- Title");
2986                 result += psz_str;
2987             }
2988         }
2989     }
2990
2991     return result;
2992 }
2993
2994 int16 chapter_item_c::GetTitleNumber( ) const
2995 {
2996     int result = -1;
2997
2998     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2999     while ( index != codecs.end() )
3000     {
3001         result = (*index)->GetTitleNumber( );
3002         if ( result >= 0 )
3003             break;
3004         index++;
3005     }
3006
3007     return result;
3008 }
3009
3010 int16 dvd_chapter_codec_c::GetTitleNumber()
3011 {
3012     if ( p_private_data->GetSize() >= 3)
3013     {
3014         const binary* p_data = p_private_data->GetBuffer();
3015         if ( p_data[0] == MATROSKA_DVD_LEVEL_SS )
3016         {
3017             return int16( (p_data[2] << 8) + p_data[3] );
3018         }
3019     }
3020     return -1;
3021 }
3022
3023 static void Seek( demux_t *p_demux, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter )
3024 {
3025     demux_sys_t        *p_sys = p_demux->p_sys;
3026     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3027     matroska_segment_c *p_segment = p_vsegment->Segment();
3028     mtime_t            i_time_offset = 0;
3029
3030     int         i_index;
3031
3032     msg_Dbg( p_demux, "seek request to "I64Fd" (%f%%)", i_date, f_percent );
3033     if( i_date < 0 && f_percent < 0 )
3034     {
3035         msg_Warn( p_demux, "cannot seek nowhere !" );
3036         return;
3037     }
3038     if( f_percent > 1.0 )
3039     {
3040         msg_Warn( p_demux, "cannot seek so far !" );
3041         return;
3042     }
3043
3044     /* seek without index or without date */
3045     if( f_percent >= 0 && (config_GetInt( p_demux, "mkv-seek-percent" ) || !p_segment->b_cues || i_date < 0 ))
3046     {
3047         if (p_sys->f_duration >= 0)
3048         {
3049             i_date = int64_t( f_percent * p_sys->f_duration * 1000.0 );
3050         }
3051         else
3052         {
3053             int64_t i_pos = int64_t( f_percent * stream_Size( p_demux->s ) );
3054
3055             msg_Dbg( p_demux, "inacurate way of seeking" );
3056             for( i_index = 0; i_index < p_segment->i_index; i_index++ )
3057             {
3058                 if( p_segment->p_indexes[i_index].i_position >= i_pos)
3059                 {
3060                     break;
3061                 }
3062             }
3063             if( i_index == p_segment->i_index )
3064             {
3065                 i_index--;
3066             }
3067
3068             i_date = p_segment->p_indexes[i_index].i_time;
3069
3070 #if 0
3071             if( p_segment->p_indexes[i_index].i_position < i_pos )
3072             {
3073                 EbmlElement *el;
3074
3075                 msg_Warn( p_demux, "searching for cluster, could take some time" );
3076
3077                 /* search a cluster */
3078                 while( ( el = p_sys->ep->Get() ) != NULL )
3079                 {
3080                     if( MKV_IS_ID( el, KaxCluster ) )
3081                     {
3082                         KaxCluster *cluster = (KaxCluster*)el;
3083
3084                         /* add it to the index */
3085                         p_segment->IndexAppendCluster( cluster );
3086
3087                         if( (int64_t)cluster->GetElementPosition() >= i_pos )
3088                         {
3089                             p_sys->cluster = cluster;
3090                             p_sys->ep->Down();
3091                             break;
3092                         }
3093                     }
3094                 }
3095             }
3096 #endif
3097         }
3098     }
3099
3100     p_vsegment->Seek( *p_demux, i_date, i_time_offset, psz_chapter );
3101 }
3102
3103 /*****************************************************************************
3104  * Demux: reads and demuxes data packets
3105  *****************************************************************************
3106  * Returns -1 in case of error, 0 in case of EOF, 1 otherwise
3107  *****************************************************************************/
3108 static int Demux( demux_t *p_demux)
3109 {
3110     demux_sys_t        *p_sys = p_demux->p_sys;
3111
3112     vlc_mutex_lock( &p_sys->lock_demuxer );
3113
3114     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3115     matroska_segment_c *p_segment = p_vsegment->Segment();
3116     if ( p_segment == NULL ) return 0;
3117     int                i_block_count = 0;
3118     int                i_return = 0;
3119
3120     for( ;; )
3121     {
3122         if ( p_sys->demuxer.b_die )
3123             break;
3124
3125         if( p_sys->i_pts >= p_sys->i_start_pts  )
3126             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3127             {
3128                 i_return = 1;
3129                 break;
3130             }
3131
3132         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3133         {
3134             /* nothing left to read in this ordered edition */
3135             if ( !p_vsegment->SelectNext() )
3136                 break;
3137             p_segment->UnSelect( );
3138
3139             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3140
3141             /* switch to the next segment */
3142             p_segment = p_vsegment->Segment();
3143             if ( !p_segment->Select( 0 ) )
3144             {
3145                 msg_Err( p_demux, "Failed to select new segment" );
3146                 break;
3147             }
3148             continue;
3149         }
3150
3151         KaxBlock *block;
3152         int64_t i_block_duration = 0;
3153         int64_t i_block_ref1;
3154         int64_t i_block_ref2;
3155
3156         if( p_segment->BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
3157         {
3158             if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered )
3159             {
3160                 const chapter_item_c *p_chap = p_vsegment->CurrentChapter();
3161                 // check if there are more chapters to read
3162                 if ( p_chap != NULL )
3163                 {
3164                     /* TODO handle successive chapters with the same user_start_time/user_end_time
3165                     if ( p_chap->i_user_start_time == p_chap->i_user_start_time )
3166                         p_vsegment->SelectNext();
3167                     */
3168                     p_sys->i_last_dts = p_sys->i_pts = p_chap->i_user_end_time;
3169                     p_sys->i_pts++; // trick to avoid staying on segments with no duration and no content
3170
3171                     i_return = 1;
3172                 }
3173
3174                 break;
3175             }
3176             else
3177             {
3178                 msg_Warn( p_demux, "cannot get block EOF?" );
3179                 p_segment->UnSelect( );
3180
3181                 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3182
3183                 /* switch to the next segment */
3184                 if ( !p_vsegment->SelectNext() )
3185                     // no more segments in this stream
3186                     break;
3187                 p_segment = p_vsegment->Segment();
3188                 if ( !p_segment->Select( 0 ) )
3189                 {
3190                     msg_Err( p_demux, "Failed to select new segment" );
3191                     break;
3192                 }
3193
3194                 continue;
3195             }
3196         }
3197
3198         mtime_t i_pts, i_dts;
3199
3200         mtime_t i_time = block->GlobalTimecode();
3201         if ( i_block_ref1 != 0 )
3202             i_time += min( 0, i_block_ref1 );
3203         if ( i_block_ref2 != 0 )
3204             i_time += min( 0, i_block_ref2 );
3205
3206         i_pts = (p_sys->i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
3207         i_dts = (p_sys->i_chapter_time + i_time) / (mtime_t) 1000;
3208
3209         if ( i_dts != i_pts && p_sys->i_last_dts >= i_dts )
3210             p_sys->i_last_dts += 200;
3211         else
3212             p_sys->i_last_dts = i_dts;
3213
3214         p_sys->i_pts = i_pts;
3215
3216         if( p_sys->i_pts >= p_sys->i_start_pts  )
3217         {
3218             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pts );
3219         }
3220
3221         if( i_pts >= p_sys->i_start_pts  )
3222             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3223             {
3224                 i_return = 1;
3225                 break;
3226             }
3227
3228         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3229         {
3230             /* nothing left to read in this ordered edition */
3231             if ( !p_vsegment->SelectNext() )
3232                 break;
3233             p_segment->UnSelect( );
3234
3235             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3236
3237             /* switch to the next segment */
3238             p_segment = p_vsegment->Segment();
3239             if ( !p_segment->Select( 0 ) )
3240             {
3241                 msg_Err( p_demux, "Failed to select new segment" );
3242                 break;
3243             }
3244             continue;
3245         }
3246
3247         BlockDecode( p_demux, block, i_pts, i_block_duration );
3248
3249         delete block;
3250         i_block_count++;
3251
3252         // TODO optimize when there is need to leave or when seeking has been called
3253         if( i_block_count > 5 )
3254         {
3255             i_return = 1;
3256             break;
3257         }
3258     }
3259
3260     vlc_mutex_unlock( &p_sys->lock_demuxer );
3261
3262     return i_return;
3263 }
3264
3265
3266
3267 /*****************************************************************************
3268  * Stream managment
3269  *****************************************************************************/
3270 vlc_stream_io_callback::vlc_stream_io_callback( stream_t *s_, vlc_bool_t b_owner_ )
3271 {
3272     s = s_;
3273     b_owner = b_owner_;
3274     mb_eof = VLC_FALSE;
3275 }
3276
3277 uint32 vlc_stream_io_callback::read( void *p_buffer, size_t i_size )
3278 {
3279     if( i_size <= 0 || mb_eof )
3280     {
3281         return 0;
3282     }
3283
3284     return stream_Read( s, p_buffer, i_size );
3285 }
3286 void vlc_stream_io_callback::setFilePointer(int64_t i_offset, seek_mode mode )
3287 {
3288     int64_t i_pos;
3289
3290     switch( mode )
3291     {
3292         case seek_beginning:
3293             i_pos = i_offset;
3294             break;
3295         case seek_end:
3296             i_pos = stream_Size( s ) - i_offset;
3297             break;
3298         default:
3299             i_pos= stream_Tell( s ) + i_offset;
3300             break;
3301     }
3302
3303     if( i_pos < 0 || i_pos >= stream_Size( s ) )
3304     {
3305         mb_eof = VLC_TRUE;
3306         return;
3307     }
3308
3309     mb_eof = VLC_FALSE;
3310     if( stream_Seek( s, i_pos ) )
3311     {
3312         mb_eof = VLC_TRUE;
3313     }
3314     return;
3315 }
3316 size_t vlc_stream_io_callback::write( const void *p_buffer, size_t i_size )
3317 {
3318     return 0;
3319 }
3320 uint64 vlc_stream_io_callback::getFilePointer( void )
3321 {
3322     return stream_Tell( s );
3323 }
3324 void vlc_stream_io_callback::close( void )
3325 {
3326     return;
3327 }
3328
3329
3330 /*****************************************************************************
3331  * Ebml Stream parser
3332  *****************************************************************************/
3333 EbmlParser::EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux )
3334 {
3335     int i;
3336
3337     m_es = es;
3338     m_got = NULL;
3339     m_el[0] = el_start;
3340     mi_remain_size[0] = el_start->GetSize();
3341
3342     for( i = 1; i < 6; i++ )
3343     {
3344         m_el[i] = NULL;
3345     }
3346     mi_level = 1;
3347     mi_user_level = 1;
3348     mb_keep = VLC_FALSE;
3349     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3350 }
3351
3352 EbmlParser::~EbmlParser( void )
3353 {
3354     int i;
3355
3356     for( i = 1; i < mi_level; i++ )
3357     {
3358         if( !mb_keep )
3359         {
3360             delete m_el[i];
3361         }
3362         mb_keep = VLC_FALSE;
3363     }
3364 }
3365
3366 EbmlElement* EbmlParser::UnGet( uint64 i_block_pos, uint64 i_cluster_pos )
3367 {
3368     if ( mi_user_level > mi_level )
3369     {
3370         while ( mi_user_level != mi_level )
3371         {
3372             delete m_el[mi_user_level];
3373             m_el[mi_user_level] = NULL;
3374             mi_user_level--;
3375         }
3376     }
3377     m_got = NULL;
3378     mb_keep = VLC_FALSE;
3379     if ( m_el[1]->GetElementPosition() == i_cluster_pos )
3380     {
3381         m_es->I_O().setFilePointer( i_block_pos, seek_beginning );
3382         return (EbmlMaster*) m_el[1];
3383     }
3384     else
3385     {
3386         // seek to the previous Cluster
3387         m_es->I_O().setFilePointer( i_cluster_pos, seek_beginning );
3388         mi_level--;
3389         mi_user_level--;
3390         delete m_el[mi_level];
3391         m_el[mi_level] = NULL;
3392         return NULL;
3393     }
3394 }
3395
3396 void EbmlParser::Up( void )
3397 {
3398     if( mi_user_level == mi_level )
3399     {
3400         fprintf( stderr," arrrrrrrrrrrrrg Up cannot escape itself\n" );
3401     }
3402
3403     mi_user_level--;
3404 }
3405
3406 void EbmlParser::Down( void )
3407 {
3408     mi_user_level++;
3409     mi_level++;
3410 }
3411
3412 void EbmlParser::Keep( void )
3413 {
3414     mb_keep = VLC_TRUE;
3415 }
3416
3417 int EbmlParser::GetLevel( void )
3418 {
3419     return mi_user_level;
3420 }
3421
3422 void EbmlParser::Reset( demux_t *p_demux )
3423 {
3424     while ( mi_level > 0)
3425     {
3426         delete m_el[mi_level];
3427         m_el[mi_level] = NULL;
3428         mi_level--;
3429     }
3430     mi_user_level = mi_level = 1;
3431 #if LIBEBML_VERSION >= 0x000704
3432     // a little faster and cleaner
3433     m_es->I_O().setFilePointer( static_cast<KaxSegment*>(m_el[0])->GetGlobalPosition(0) );
3434 #else
3435     m_es->I_O().setFilePointer( m_el[0]->GetElementPosition() + m_el[0]->ElementSize(true) - m_el[0]->GetSize() );
3436 #endif
3437     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3438 }
3439
3440 EbmlElement *EbmlParser::Get( void )
3441 {
3442     int i_ulev = 0;
3443
3444     if( mi_user_level != mi_level )
3445     {
3446         return NULL;
3447     }
3448     if( m_got )
3449     {
3450         EbmlElement *ret = m_got;
3451         m_got = NULL;
3452
3453         return ret;
3454     }
3455
3456     if( m_el[mi_level] )
3457     {
3458         m_el[mi_level]->SkipData( *m_es, m_el[mi_level]->Generic().Context );
3459         if( !mb_keep )
3460         {
3461             delete m_el[mi_level];
3462         }
3463         mb_keep = VLC_FALSE;
3464     }
3465
3466     m_el[mi_level] = m_es->FindNextElement( m_el[mi_level - 1]->Generic().Context, i_ulev, 0xFFFFFFFFL, mb_dummy != 0, 1 );
3467 //    mi_remain_size[mi_level] = m_el[mi_level]->GetSize();
3468     if( i_ulev > 0 )
3469     {
3470         while( i_ulev > 0 )
3471         {
3472             if( mi_level == 1 )
3473             {
3474                 mi_level = 0;
3475                 return NULL;
3476             }
3477
3478             delete m_el[mi_level - 1];
3479             m_got = m_el[mi_level -1] = m_el[mi_level];
3480             m_el[mi_level] = NULL;
3481
3482             mi_level--;
3483             i_ulev--;
3484         }
3485         return NULL;
3486     }
3487     else if( m_el[mi_level] == NULL )
3488     {
3489         fprintf( stderr," m_el[mi_level] == NULL\n" );
3490     }
3491
3492     return m_el[mi_level];
3493 }
3494
3495
3496 /*****************************************************************************
3497  * Tools
3498  *  * LoadCues : load the cues element and update index
3499  *
3500  *  * LoadTags : load ... the tags element
3501  *
3502  *  * InformationCreate : create all information, load tags if present
3503  *
3504  *****************************************************************************/
3505 void matroska_segment_c::LoadCues( )
3506 {
3507     int64_t     i_sav_position = es.I_O().getFilePointer();
3508     EbmlParser  *ep;
3509     EbmlElement *el, *cues;
3510
3511     /* *** Load the cue if found *** */
3512     if( i_cues_position < 0 )
3513     {
3514         msg_Warn( &sys.demuxer, "no cues/empty cues found->seek won't be precise" );
3515
3516 //        IndexAppendCluster( cluster );
3517     }
3518
3519     vlc_bool_t b_seekable;
3520
3521     stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
3522     if( !b_seekable )
3523         return;
3524
3525     msg_Dbg( &sys.demuxer, "loading cues" );
3526     es.I_O().setFilePointer( i_cues_position, seek_beginning );
3527     cues = es.FindNextID( KaxCues::ClassInfos, 0xFFFFFFFFL);
3528
3529     if( cues == NULL )
3530     {
3531         msg_Err( &sys.demuxer, "cannot load cues (broken seekhead or file)" );
3532         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3533         return;
3534     }
3535
3536     ep = new EbmlParser( &es, cues, &sys.demuxer );
3537     while( ( el = ep->Get() ) != NULL )
3538     {
3539         if( MKV_IS_ID( el, KaxCuePoint ) )
3540         {
3541 #define idx p_indexes[i_index]
3542
3543             idx.i_track       = -1;
3544             idx.i_block_number= -1;
3545             idx.i_position    = -1;
3546             idx.i_time        = 0;
3547             idx.b_key         = VLC_TRUE;
3548
3549             ep->Down();
3550             while( ( el = ep->Get() ) != NULL )
3551             {
3552                 if( MKV_IS_ID( el, KaxCueTime ) )
3553                 {
3554                     KaxCueTime &ctime = *(KaxCueTime*)el;
3555
3556                     ctime.ReadData( es.I_O() );
3557
3558                     idx.i_time = uint64( ctime ) * i_timescale / (mtime_t)1000;
3559                 }
3560                 else if( MKV_IS_ID( el, KaxCueTrackPositions ) )
3561                 {
3562                     ep->Down();
3563                     while( ( el = ep->Get() ) != NULL )
3564                     {
3565                         if( MKV_IS_ID( el, KaxCueTrack ) )
3566                         {
3567                             KaxCueTrack &ctrack = *(KaxCueTrack*)el;
3568
3569                             ctrack.ReadData( es.I_O() );
3570                             idx.i_track = uint16( ctrack );
3571                         }
3572                         else if( MKV_IS_ID( el, KaxCueClusterPosition ) )
3573                         {
3574                             KaxCueClusterPosition &ccpos = *(KaxCueClusterPosition*)el;
3575
3576                             ccpos.ReadData( es.I_O() );
3577                             idx.i_position = segment->GetGlobalPosition( uint64( ccpos ) );
3578                         }
3579                         else if( MKV_IS_ID( el, KaxCueBlockNumber ) )
3580                         {
3581                             KaxCueBlockNumber &cbnum = *(KaxCueBlockNumber*)el;
3582
3583                             cbnum.ReadData( es.I_O() );
3584                             idx.i_block_number = uint32( cbnum );
3585                         }
3586                         else
3587                         {
3588                             msg_Dbg( &sys.demuxer, "         * Unknown (%s)", typeid(*el).name() );
3589                         }
3590                     }
3591                     ep->Up();
3592                 }
3593                 else
3594                 {
3595                     msg_Dbg( &sys.demuxer, "     * Unknown (%s)", typeid(*el).name() );
3596                 }
3597             }
3598             ep->Up();
3599
3600 #if 0
3601             msg_Dbg( &sys.demuxer, " * added time="I64Fd" pos="I64Fd
3602                      " track=%d bnum=%d", idx.i_time, idx.i_position,
3603                      idx.i_track, idx.i_block_number );
3604 #endif
3605
3606             i_index++;
3607             if( i_index >= i_index_max )
3608             {
3609                 i_index_max += 1024;
3610                 p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
3611             }
3612 #undef idx
3613         }
3614         else
3615         {
3616             msg_Dbg( &sys.demuxer, " * Unknown (%s)", typeid(*el).name() );
3617         }
3618     }
3619     delete ep;
3620     delete cues;
3621
3622     b_cues = VLC_TRUE;
3623
3624     msg_Dbg( &sys.demuxer, "loading cues done." );
3625     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3626 }
3627
3628 void matroska_segment_c::LoadTags( )
3629 {
3630     int64_t     i_sav_position = es.I_O().getFilePointer();
3631     EbmlParser  *ep;
3632     EbmlElement *el, *tags;
3633
3634     msg_Dbg( &sys.demuxer, "loading tags" );
3635     es.I_O().setFilePointer( i_tags_position, seek_beginning );
3636     tags = es.FindNextID( KaxTags::ClassInfos, 0xFFFFFFFFL);
3637
3638     if( tags == NULL )
3639     {
3640         msg_Err( &sys.demuxer, "cannot load tags (broken seekhead or file)" );
3641         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3642         return;
3643     }
3644
3645     msg_Dbg( &sys.demuxer, "Tags" );
3646     ep = new EbmlParser( &es, tags, &sys.demuxer );
3647     while( ( el = ep->Get() ) != NULL )
3648     {
3649         if( MKV_IS_ID( el, KaxTag ) )
3650         {
3651             msg_Dbg( &sys.demuxer, "+ Tag" );
3652             ep->Down();
3653             while( ( el = ep->Get() ) != NULL )
3654             {
3655                 if( MKV_IS_ID( el, KaxTagTargets ) )
3656                 {
3657                     msg_Dbg( &sys.demuxer, "|   + Targets" );
3658                     ep->Down();
3659                     while( ( el = ep->Get() ) != NULL )
3660                     {
3661                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3662                     }
3663                     ep->Up();
3664                 }
3665                 else if( MKV_IS_ID( el, KaxTagGeneral ) )
3666                 {
3667                     msg_Dbg( &sys.demuxer, "|   + General" );
3668                     ep->Down();
3669                     while( ( el = ep->Get() ) != NULL )
3670                     {
3671                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3672                     }
3673                     ep->Up();
3674                 }
3675                 else if( MKV_IS_ID( el, KaxTagGenres ) )
3676                 {
3677                     msg_Dbg( &sys.demuxer, "|   + Genres" );
3678                     ep->Down();
3679                     while( ( el = ep->Get() ) != NULL )
3680                     {
3681                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3682                     }
3683                     ep->Up();
3684                 }
3685                 else if( MKV_IS_ID( el, KaxTagAudioSpecific ) )
3686                 {
3687                     msg_Dbg( &sys.demuxer, "|   + Audio Specific" );
3688                     ep->Down();
3689                     while( ( el = ep->Get() ) != NULL )
3690                     {
3691                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3692                     }
3693                     ep->Up();
3694                 }
3695                 else if( MKV_IS_ID( el, KaxTagImageSpecific ) )
3696                 {
3697                     msg_Dbg( &sys.demuxer, "|   + Images Specific" );
3698                     ep->Down();
3699                     while( ( el = ep->Get() ) != NULL )
3700                     {
3701                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3702                     }
3703                     ep->Up();
3704                 }
3705                 else if( MKV_IS_ID( el, KaxTagMultiComment ) )
3706                 {
3707                     msg_Dbg( &sys.demuxer, "|   + Multi Comment" );
3708                 }
3709                 else if( MKV_IS_ID( el, KaxTagMultiCommercial ) )
3710                 {
3711                     msg_Dbg( &sys.demuxer, "|   + Multi Commercial" );
3712                 }
3713                 else if( MKV_IS_ID( el, KaxTagMultiDate ) )
3714                 {
3715                     msg_Dbg( &sys.demuxer, "|   + Multi Date" );
3716                 }
3717                 else if( MKV_IS_ID( el, KaxTagMultiEntity ) )
3718                 {
3719                     msg_Dbg( &sys.demuxer, "|   + Multi Entity" );
3720                 }
3721                 else if( MKV_IS_ID( el, KaxTagMultiIdentifier ) )
3722                 {
3723                     msg_Dbg( &sys.demuxer, "|   + Multi Identifier" );
3724                 }
3725                 else if( MKV_IS_ID( el, KaxTagMultiLegal ) )
3726                 {
3727                     msg_Dbg( &sys.demuxer, "|   + Multi Legal" );
3728                 }
3729                 else if( MKV_IS_ID( el, KaxTagMultiTitle ) )
3730                 {
3731                     msg_Dbg( &sys.demuxer, "|   + Multi Title" );
3732                 }
3733                 else
3734                 {
3735                     msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid( *el ).name() );
3736                 }
3737             }
3738             ep->Up();
3739         }
3740         else
3741         {
3742             msg_Dbg( &sys.demuxer, "+ Unknown (%s)", typeid( *el ).name() );
3743         }
3744     }
3745     delete ep;
3746     delete tags;
3747
3748     msg_Dbg( &sys.demuxer, "loading tags done." );
3749     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3750 }
3751
3752 /*****************************************************************************
3753  * ParseSeekHead:
3754  *****************************************************************************/
3755 void matroska_segment_c::ParseSeekHead( KaxSeekHead *seekhead )
3756 {
3757     EbmlElement *el;
3758     size_t i, j;
3759     int i_upper_level = 0;
3760
3761     msg_Dbg( &sys.demuxer, "|   + Seek head" );
3762
3763     /* Master elements */
3764     seekhead->Read( es, seekhead->Generic().Context, i_upper_level, el, true );
3765
3766     for( i = 0; i < seekhead->ListSize(); i++ )
3767     {
3768         EbmlElement *l = (*seekhead)[i];
3769
3770         if( MKV_IS_ID( l, KaxSeek ) )
3771         {
3772             EbmlMaster *sk = static_cast<EbmlMaster *>(l);
3773             EbmlId id = EbmlVoid::ClassInfos.GlobalId;
3774             int64_t i_pos = -1;
3775
3776             for( j = 0; j < sk->ListSize(); j++ )
3777             {
3778                 EbmlElement *l = (*sk)[j];
3779
3780                 if( MKV_IS_ID( l, KaxSeekID ) )
3781                 {
3782                     KaxSeekID &sid = *(KaxSeekID*)l;
3783                     id = EbmlId( sid.GetBuffer(), sid.GetSize() );
3784                 }
3785                 else if( MKV_IS_ID( l, KaxSeekPosition ) )
3786                 {
3787                     KaxSeekPosition &spos = *(KaxSeekPosition*)l;
3788                     i_pos = uint64( spos );
3789                 }
3790                 else
3791                 {
3792                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
3793                 }
3794             }
3795
3796             if( i_pos >= 0 )
3797             {
3798                 if( id == KaxCues::ClassInfos.GlobalId )
3799                 {
3800                     msg_Dbg( &sys.demuxer, "|   |   |   = cues at "I64Fd, i_pos );
3801                     i_cues_position = segment->GetGlobalPosition( i_pos );
3802                 }
3803                 else if( id == KaxChapters::ClassInfos.GlobalId )
3804                 {
3805                     msg_Dbg( &sys.demuxer, "|   |   |   = chapters at "I64Fd, i_pos );
3806                     i_chapters_position = segment->GetGlobalPosition( i_pos );
3807                 }
3808                 else if( id == KaxTags::ClassInfos.GlobalId )
3809                 {
3810                     msg_Dbg( &sys.demuxer, "|   |   |   = tags at "I64Fd, i_pos );
3811                     i_tags_position = segment->GetGlobalPosition( i_pos );
3812                 }
3813             }
3814         }
3815         else
3816         {
3817             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
3818         }
3819     }
3820 }
3821
3822 /*****************************************************************************
3823  * ParseTrackEntry:
3824  *****************************************************************************/
3825 void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
3826 {
3827     size_t i, j, k, n;
3828
3829     mkv_track_t *tk;
3830
3831     msg_Dbg( &sys.demuxer, "|   |   + Track Entry" );
3832
3833     tk = new mkv_track_t();
3834     tracks.push_back( tk );
3835
3836     /* Init the track */
3837     memset( tk, 0, sizeof( mkv_track_t ) );
3838
3839     es_format_Init( &tk->fmt, UNKNOWN_ES, 0 );
3840     tk->fmt.psz_language = strdup("English");
3841     tk->fmt.psz_description = NULL;
3842
3843     tk->b_default = VLC_TRUE;
3844     tk->b_enabled = VLC_TRUE;
3845     tk->b_silent = VLC_FALSE;
3846     tk->i_number = tracks.size() - 1;
3847     tk->i_extra_data = 0;
3848     tk->p_extra_data = NULL;
3849     tk->psz_codec = NULL;
3850     tk->i_default_duration = 0;
3851     tk->f_timecodescale = 1.0;
3852
3853     tk->b_inited = VLC_FALSE;
3854     tk->i_data_init = 0;
3855     tk->p_data_init = NULL;
3856
3857     tk->psz_codec_name = NULL;
3858     tk->psz_codec_settings = NULL;
3859     tk->psz_codec_info_url = NULL;
3860     tk->psz_codec_download_url = NULL;
3861
3862     tk->i_compression_type = MATROSKA_COMPRESSION_NONE;
3863
3864     for( i = 0; i < m->ListSize(); i++ )
3865     {
3866         EbmlElement *l = (*m)[i];
3867
3868         if( MKV_IS_ID( l, KaxTrackNumber ) )
3869         {
3870             KaxTrackNumber &tnum = *(KaxTrackNumber*)l;
3871
3872             tk->i_number = uint32( tnum );
3873             msg_Dbg( &sys.demuxer, "|   |   |   + Track Number=%u", uint32( tnum ) );
3874         }
3875         else  if( MKV_IS_ID( l, KaxTrackUID ) )
3876         {
3877             KaxTrackUID &tuid = *(KaxTrackUID*)l;
3878
3879             msg_Dbg( &sys.demuxer, "|   |   |   + Track UID=%u",  uint32( tuid ) );
3880         }
3881         else  if( MKV_IS_ID( l, KaxTrackType ) )
3882         {
3883             char *psz_type;
3884             KaxTrackType &ttype = *(KaxTrackType*)l;
3885
3886             switch( uint8(ttype) )
3887             {
3888                 case track_audio:
3889                     psz_type = "audio";
3890                     tk->fmt.i_cat = AUDIO_ES;
3891                     break;
3892                 case track_video:
3893                     psz_type = "video";
3894                     tk->fmt.i_cat = VIDEO_ES;
3895                     break;
3896                 case track_subtitle:
3897                     psz_type = "subtitle";
3898                     tk->fmt.i_cat = SPU_ES;
3899                     break;
3900                 case track_buttons:
3901                     psz_type = "buttons";
3902                     tk->fmt.i_cat = SPU_ES;
3903                     break;
3904                 default:
3905                     psz_type = "unknown";
3906                     tk->fmt.i_cat = UNKNOWN_ES;
3907                     break;
3908             }
3909
3910             msg_Dbg( &sys.demuxer, "|   |   |   + Track Type=%s", psz_type );
3911         }
3912 //        else  if( EbmlId( *l ) == KaxTrackFlagEnabled::ClassInfos.GlobalId )
3913 //        {
3914 //            KaxTrackFlagEnabled &fenb = *(KaxTrackFlagEnabled*)l;
3915
3916 //            tk->b_enabled = uint32( fenb );
3917 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Enabled=%u",
3918 //                     uint32( fenb )  );
3919 //        }
3920         else  if( MKV_IS_ID( l, KaxTrackFlagDefault ) )
3921         {
3922             KaxTrackFlagDefault &fdef = *(KaxTrackFlagDefault*)l;
3923
3924             tk->b_default = uint32( fdef );
3925             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default=%u", uint32( fdef )  );
3926         }
3927         else  if( MKV_IS_ID( l, KaxTrackFlagLacing ) )
3928         {
3929             KaxTrackFlagLacing &lac = *(KaxTrackFlagLacing*)l;
3930
3931             msg_Dbg( &sys.demuxer, "|   |   |   + Track Lacing=%d", uint32( lac ) );
3932         }
3933         else  if( MKV_IS_ID( l, KaxTrackMinCache ) )
3934         {
3935             KaxTrackMinCache &cmin = *(KaxTrackMinCache*)l;
3936
3937             msg_Dbg( &sys.demuxer, "|   |   |   + Track MinCache=%d", uint32( cmin ) );
3938         }
3939         else  if( MKV_IS_ID( l, KaxTrackMaxCache ) )
3940         {
3941             KaxTrackMaxCache &cmax = *(KaxTrackMaxCache*)l;
3942
3943             msg_Dbg( &sys.demuxer, "|   |   |   + Track MaxCache=%d", uint32( cmax ) );
3944         }
3945         else  if( MKV_IS_ID( l, KaxTrackDefaultDuration ) )
3946         {
3947             KaxTrackDefaultDuration &defd = *(KaxTrackDefaultDuration*)l;
3948
3949             tk->i_default_duration = uint64(defd);
3950             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default Duration="I64Fd, uint64(defd) );
3951         }
3952         else  if( MKV_IS_ID( l, KaxTrackTimecodeScale ) )
3953         {
3954             KaxTrackTimecodeScale &ttcs = *(KaxTrackTimecodeScale*)l;
3955
3956             tk->f_timecodescale = float( ttcs );
3957             msg_Dbg( &sys.demuxer, "|   |   |   + Track TimeCodeScale=%f", tk->f_timecodescale );
3958         }
3959         else if( MKV_IS_ID( l, KaxTrackName ) )
3960         {
3961             KaxTrackName &tname = *(KaxTrackName*)l;
3962
3963             tk->fmt.psz_description = UTF8ToStr( UTFstring( tname ) );
3964             msg_Dbg( &sys.demuxer, "|   |   |   + Track Name=%s", tk->fmt.psz_description );
3965         }
3966         else  if( MKV_IS_ID( l, KaxTrackLanguage ) )
3967         {
3968             KaxTrackLanguage &lang = *(KaxTrackLanguage*)l;
3969
3970             tk->fmt.psz_language = strdup( string( lang ).c_str() );
3971             msg_Dbg( &sys.demuxer,
3972                      "|   |   |   + Track Language=`%s'", tk->fmt.psz_language );
3973         }
3974         else  if( MKV_IS_ID( l, KaxCodecID ) )
3975         {
3976             KaxCodecID &codecid = *(KaxCodecID*)l;
3977
3978             tk->psz_codec = strdup( string( codecid ).c_str() );
3979             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecId=%s", string( codecid ).c_str() );
3980         }
3981         else  if( MKV_IS_ID( l, KaxCodecPrivate ) )
3982         {
3983             KaxCodecPrivate &cpriv = *(KaxCodecPrivate*)l;
3984
3985             tk->i_extra_data = cpriv.GetSize();
3986             if( tk->i_extra_data > 0 )
3987             {
3988                 tk->p_extra_data = (uint8_t*)malloc( tk->i_extra_data );
3989                 memcpy( tk->p_extra_data, cpriv.GetBuffer(), tk->i_extra_data );
3990             }
3991             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecPrivate size="I64Fd, cpriv.GetSize() );
3992         }
3993         else if( MKV_IS_ID( l, KaxCodecName ) )
3994         {
3995             KaxCodecName &cname = *(KaxCodecName*)l;
3996
3997             tk->psz_codec_name = UTF8ToStr( UTFstring( cname ) );
3998             msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Name=%s", tk->psz_codec_name );
3999         }
4000         else if( MKV_IS_ID( l, KaxContentEncodings ) )
4001         {
4002             EbmlMaster *cencs = static_cast<EbmlMaster*>(l);
4003             MkvTree( sys.demuxer, 3, "Content Encodings" );
4004             for( j = 0; j < cencs->ListSize(); j++ )
4005             {
4006                 EbmlElement *l2 = (*cencs)[j];
4007                 if( MKV_IS_ID( l2, KaxContentEncoding ) )
4008                 {
4009                     MkvTree( sys.demuxer, 4, "Content Encoding" );
4010                     EbmlMaster *cenc = static_cast<EbmlMaster*>(l2);
4011                     for( k = 0; k < cenc->ListSize(); k++ )
4012                     {
4013                         EbmlElement *l3 = (*cenc)[k];
4014                         if( MKV_IS_ID( l3, KaxContentEncodingOrder ) )
4015                         {
4016                             KaxContentEncodingOrder &encord = *(KaxContentEncodingOrder*)l3;
4017                             MkvTree( sys.demuxer, 5, "Order: %i", uint32( encord ) );
4018                         }
4019                         else if( MKV_IS_ID( l3, KaxContentEncodingScope ) )
4020                         {
4021                             KaxContentEncodingScope &encscope = *(KaxContentEncodingScope*)l3;
4022                             MkvTree( sys.demuxer, 5, "Scope: %i", uint32( encscope ) );
4023                         }
4024                         else if( MKV_IS_ID( l3, KaxContentEncodingType ) )
4025                         {
4026                             KaxContentEncodingType &enctype = *(KaxContentEncodingType*)l3;
4027                             MkvTree( sys.demuxer, 5, "Type: %i", uint32( enctype ) );
4028                         }
4029                         else if( MKV_IS_ID( l3, KaxContentCompression ) )
4030                         {
4031                             EbmlMaster *compr = static_cast<EbmlMaster*>(l3);
4032                             MkvTree( sys.demuxer, 5, "Content Compression" );
4033                             for( n = 0; n < compr->ListSize(); n++ )
4034                             {
4035                                 EbmlElement *l4 = (*compr)[n];
4036                                 if( MKV_IS_ID( l4, KaxContentCompAlgo ) )
4037                                 {
4038                                     KaxContentCompAlgo &compalg = *(KaxContentCompAlgo*)l4;
4039                                     MkvTree( sys.demuxer, 6, "Compression Algorithm: %i", uint32(compalg) );
4040                                     if( uint32( compalg ) == 0 )
4041                                     {
4042                                         tk->i_compression_type = MATROSKA_COMPRESSION_ZLIB;
4043                                     }
4044                                 }
4045                                 else
4046                                 {
4047                                     MkvTree( sys.demuxer, 6, "Unknown (%s)", typeid(*l4).name() );
4048                                 }
4049                             }
4050                         }
4051
4052                         else
4053                         {
4054                             MkvTree( sys.demuxer, 5, "Unknown (%s)", typeid(*l3).name() );
4055                         }
4056                     }
4057
4058                 }
4059                 else
4060                 {
4061                     MkvTree( sys.demuxer, 4, "Unknown (%s)", typeid(*l2).name() );
4062                 }
4063             }
4064
4065         }
4066 //        else if( EbmlId( *l ) == KaxCodecSettings::ClassInfos.GlobalId )
4067 //        {
4068 //            KaxCodecSettings &cset = *(KaxCodecSettings*)l;
4069
4070 //            tk->psz_codec_settings = UTF8ToStr( UTFstring( cset ) );
4071 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Settings=%s", tk->psz_codec_settings );
4072 //        }
4073 //        else if( EbmlId( *l ) == KaxCodecInfoURL::ClassInfos.GlobalId )
4074 //        {
4075 //            KaxCodecInfoURL &ciurl = *(KaxCodecInfoURL*)l;
4076
4077 //            tk->psz_codec_info_url = strdup( string( ciurl ).c_str() );
4078 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_info_url );
4079 //        }
4080 //        else if( EbmlId( *l ) == KaxCodecDownloadURL::ClassInfos.GlobalId )
4081 //        {
4082 //            KaxCodecDownloadURL &cdurl = *(KaxCodecDownloadURL*)l;
4083
4084 //            tk->psz_codec_download_url = strdup( string( cdurl ).c_str() );
4085 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_download_url );
4086 //        }
4087 //        else if( EbmlId( *l ) == KaxCodecDecodeAll::ClassInfos.GlobalId )
4088 //        {
4089 //            KaxCodecDecodeAll &cdall = *(KaxCodecDecodeAll*)l;
4090
4091 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Decode All=%u <== UNUSED", uint8( cdall ) );
4092 //        }
4093 //        else if( EbmlId( *l ) == KaxTrackOverlay::ClassInfos.GlobalId )
4094 //        {
4095 //            KaxTrackOverlay &tovr = *(KaxTrackOverlay*)l;
4096
4097 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Overlay=%u <== UNUSED", uint32( tovr ) );
4098 //        }
4099         else  if( MKV_IS_ID( l, KaxTrackVideo ) )
4100         {
4101             EbmlMaster *tkv = static_cast<EbmlMaster*>(l);
4102             unsigned int j;
4103
4104             msg_Dbg( &sys.demuxer, "|   |   |   + Track Video" );
4105             tk->f_fps = 0.0;
4106
4107             tk->fmt.video.i_frame_rate_base = (unsigned int)(tk->i_default_duration / 1000);
4108             tk->fmt.video.i_frame_rate = 1000000;
4109
4110             for( j = 0; j < tkv->ListSize(); j++ )
4111             {
4112                 EbmlElement *l = (*tkv)[j];
4113 //                if( EbmlId( *el4 ) == KaxVideoFlagInterlaced::ClassInfos.GlobalId )
4114 //                {
4115 //                    KaxVideoFlagInterlaced &fint = *(KaxVideoFlagInterlaced*)el4;
4116
4117 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Interlaced=%u", uint8( fint ) );
4118 //                }
4119 //                else if( EbmlId( *el4 ) == KaxVideoStereoMode::ClassInfos.GlobalId )
4120 //                {
4121 //                    KaxVideoStereoMode &stereo = *(KaxVideoStereoMode*)el4;
4122
4123 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Stereo Mode=%u", uint8( stereo ) );
4124 //                }
4125 //                else
4126                 if( MKV_IS_ID( l, KaxVideoPixelWidth ) )
4127                 {
4128                     KaxVideoPixelWidth &vwidth = *(KaxVideoPixelWidth*)l;
4129
4130                     tk->fmt.video.i_width = uint16( vwidth );
4131                     msg_Dbg( &sys.demuxer, "|   |   |   |   + width=%d", uint16( vwidth ) );
4132                 }
4133                 else if( MKV_IS_ID( l, KaxVideoPixelHeight ) )
4134                 {
4135                     KaxVideoPixelWidth &vheight = *(KaxVideoPixelWidth*)l;
4136
4137                     tk->fmt.video.i_height = uint16( vheight );
4138                     msg_Dbg( &sys.demuxer, "|   |   |   |   + height=%d", uint16( vheight ) );
4139                 }
4140                 else if( MKV_IS_ID( l, KaxVideoDisplayWidth ) )
4141                 {
4142                     KaxVideoDisplayWidth &vwidth = *(KaxVideoDisplayWidth*)l;
4143
4144                     tk->fmt.video.i_visible_width = uint16( vwidth );
4145                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display width=%d", uint16( vwidth ) );
4146                 }
4147                 else if( MKV_IS_ID( l, KaxVideoDisplayHeight ) )
4148                 {
4149                     KaxVideoDisplayWidth &vheight = *(KaxVideoDisplayWidth*)l;
4150
4151                     tk->fmt.video.i_visible_height = uint16( vheight );
4152                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display height=%d", uint16( vheight ) );
4153                 }
4154                 else if( MKV_IS_ID( l, KaxVideoFrameRate ) )
4155                 {
4156                     KaxVideoFrameRate &vfps = *(KaxVideoFrameRate*)l;
4157
4158                     tk->f_fps = float( vfps );
4159                     msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( vfps ) );
4160                 }
4161 //                else if( EbmlId( *l ) == KaxVideoDisplayUnit::ClassInfos.GlobalId )
4162 //                {
4163 //                     KaxVideoDisplayUnit &vdmode = *(KaxVideoDisplayUnit*)l;
4164
4165 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Display Unit=%s",
4166 //                             uint8( vdmode ) == 0 ? "pixels" : ( uint8( vdmode ) == 1 ? "centimeters": "inches" ) );
4167 //                }
4168 //                else if( EbmlId( *l ) == KaxVideoAspectRatio::ClassInfos.GlobalId )
4169 //                {
4170 //                    KaxVideoAspectRatio &ratio = *(KaxVideoAspectRatio*)l;
4171
4172 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + Track Video Aspect Ratio Type=%u", uint8( ratio ) );
4173 //                }
4174 //                else if( EbmlId( *l ) == KaxVideoGamma::ClassInfos.GlobalId )
4175 //                {
4176 //                    KaxVideoGamma &gamma = *(KaxVideoGamma*)l;
4177
4178 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( gamma ) );
4179 //                }
4180                 else
4181                 {
4182                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4183                 }
4184             }
4185             if ( tk->fmt.video.i_visible_height && tk->fmt.video.i_visible_width )
4186                 tk->fmt.video.i_aspect = VOUT_ASPECT_FACTOR * tk->fmt.video.i_visible_width / tk->fmt.video.i_visible_height;
4187         }
4188         else  if( MKV_IS_ID( l, KaxTrackAudio ) )
4189         {
4190             EbmlMaster *tka = static_cast<EbmlMaster*>(l);
4191             unsigned int j;
4192
4193             msg_Dbg( &sys.demuxer, "|   |   |   + Track Audio" );
4194
4195             for( j = 0; j < tka->ListSize(); j++ )
4196             {
4197                 EbmlElement *l = (*tka)[j];
4198
4199                 if( MKV_IS_ID( l, KaxAudioSamplingFreq ) )
4200                 {
4201                     KaxAudioSamplingFreq &afreq = *(KaxAudioSamplingFreq*)l;
4202
4203                     tk->fmt.audio.i_rate = (int)float( afreq );
4204                     msg_Dbg( &sys.demuxer, "|   |   |   |   + afreq=%d", tk->fmt.audio.i_rate );
4205                 }
4206                 else if( MKV_IS_ID( l, KaxAudioChannels ) )
4207                 {
4208                     KaxAudioChannels &achan = *(KaxAudioChannels*)l;
4209
4210                     tk->fmt.audio.i_channels = uint8( achan );
4211                     msg_Dbg( &sys.demuxer, "|   |   |   |   + achan=%u", uint8( achan ) );
4212                 }
4213                 else if( MKV_IS_ID( l, KaxAudioBitDepth ) )
4214                 {
4215                     KaxAudioBitDepth &abits = *(KaxAudioBitDepth*)l;
4216
4217                     tk->fmt.audio.i_bitspersample = uint8( abits );
4218                     msg_Dbg( &sys.demuxer, "|   |   |   |   + abits=%u", uint8( abits ) );
4219                 }
4220                 else
4221                 {
4222                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4223                 }
4224             }
4225         }
4226         else
4227         {
4228             msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)",
4229                      typeid(*l).name() );
4230         }
4231     }
4232 }
4233
4234 /*****************************************************************************
4235  * ParseTracks:
4236  *****************************************************************************/
4237 void matroska_segment_c::ParseTracks( KaxTracks *tracks )
4238 {
4239     EbmlElement *el;
4240     unsigned int i;
4241     int i_upper_level = 0;
4242
4243     msg_Dbg( &sys.demuxer, "|   + Tracks" );
4244
4245     /* Master elements */
4246     tracks->Read( es, tracks->Generic().Context, i_upper_level, el, true );
4247
4248     for( i = 0; i < tracks->ListSize(); i++ )
4249     {
4250         EbmlElement *l = (*tracks)[i];
4251
4252         if( MKV_IS_ID( l, KaxTrackEntry ) )
4253         {
4254             ParseTrackEntry( static_cast<KaxTrackEntry *>(l) );
4255         }
4256         else
4257         {
4258             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4259         }
4260     }
4261 }
4262
4263 /*****************************************************************************
4264  * ParseInfo:
4265  *****************************************************************************/
4266 void matroska_segment_c::ParseInfo( KaxInfo *info )
4267 {
4268     EbmlElement *el;
4269     EbmlMaster  *m;
4270     size_t i, j;
4271     int i_upper_level = 0;
4272
4273     msg_Dbg( &sys.demuxer, "|   + Information" );
4274
4275     /* Master elements */
4276     m = static_cast<EbmlMaster *>(info);
4277     m->Read( es, info->Generic().Context, i_upper_level, el, true );
4278
4279     for( i = 0; i < m->ListSize(); i++ )
4280     {
4281         EbmlElement *l = (*m)[i];
4282
4283         if( MKV_IS_ID( l, KaxSegmentUID ) )
4284         {
4285             p_segment_uid = new KaxSegmentUID(*static_cast<KaxSegmentUID*>(l));
4286
4287             msg_Dbg( &sys.demuxer, "|   |   + UID=%d", *(uint32*)p_segment_uid->GetBuffer() );
4288         }
4289         else if( MKV_IS_ID( l, KaxPrevUID ) )
4290         {
4291             p_prev_segment_uid = new KaxPrevUID(*static_cast<KaxPrevUID*>(l));
4292
4293             msg_Dbg( &sys.demuxer, "|   |   + PrevUID=%d", *(uint32*)p_prev_segment_uid->GetBuffer() );
4294         }
4295         else if( MKV_IS_ID( l, KaxNextUID ) )
4296         {
4297             p_next_segment_uid = new KaxNextUID(*static_cast<KaxNextUID*>(l));
4298
4299             msg_Dbg( &sys.demuxer, "|   |   + NextUID=%d", *(uint32*)p_next_segment_uid->GetBuffer() );
4300         }
4301         else if( MKV_IS_ID( l, KaxTimecodeScale ) )
4302         {
4303             KaxTimecodeScale &tcs = *(KaxTimecodeScale*)l;
4304
4305             i_timescale = uint64(tcs);
4306
4307             msg_Dbg( &sys.demuxer, "|   |   + TimecodeScale="I64Fd,
4308                      i_timescale );
4309         }
4310         else if( MKV_IS_ID( l, KaxDuration ) )
4311         {
4312             KaxDuration &dur = *(KaxDuration*)l;
4313
4314             i_duration = mtime_t( double( dur ) );
4315
4316             msg_Dbg( &sys.demuxer, "|   |   + Duration="I64Fd,
4317                      i_duration );
4318         }
4319         else if( MKV_IS_ID( l, KaxMuxingApp ) )
4320         {
4321             KaxMuxingApp &mapp = *(KaxMuxingApp*)l;
4322
4323             psz_muxing_application = UTF8ToStr( UTFstring( mapp ) );
4324
4325             msg_Dbg( &sys.demuxer, "|   |   + Muxing Application=%s",
4326                      psz_muxing_application );
4327         }
4328         else if( MKV_IS_ID( l, KaxWritingApp ) )
4329         {
4330             KaxWritingApp &wapp = *(KaxWritingApp*)l;
4331
4332             psz_writing_application = UTF8ToStr( UTFstring( wapp ) );
4333
4334             msg_Dbg( &sys.demuxer, "|   |   + Writing Application=%s",
4335                      psz_writing_application );
4336         }
4337         else if( MKV_IS_ID( l, KaxSegmentFilename ) )
4338         {
4339             KaxSegmentFilename &sfn = *(KaxSegmentFilename*)l;
4340
4341             psz_segment_filename = UTF8ToStr( UTFstring( sfn ) );
4342
4343             msg_Dbg( &sys.demuxer, "|   |   + Segment Filename=%s",
4344                      psz_segment_filename );
4345         }
4346         else if( MKV_IS_ID( l, KaxTitle ) )
4347         {
4348             KaxTitle &title = *(KaxTitle*)l;
4349
4350             psz_title = UTF8ToStr( UTFstring( title ) );
4351
4352             msg_Dbg( &sys.demuxer, "|   |   + Title=%s", psz_title );
4353         }
4354         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
4355         {
4356             KaxSegmentFamily *uid = static_cast<KaxSegmentFamily*>(l);
4357
4358             families.push_back(*uid);
4359
4360             msg_Dbg( &sys.demuxer, "|   |   + family=%d", *(uint32*)uid->GetBuffer() );
4361         }
4362 #if defined( HAVE_GMTIME_R ) && !defined( SYS_DARWIN )
4363         else if( MKV_IS_ID( l, KaxDateUTC ) )
4364         {
4365             KaxDateUTC &date = *(KaxDateUTC*)l;
4366             time_t i_date;
4367             struct tm tmres;
4368             char   buffer[256];
4369
4370             i_date = date.GetEpochDate();
4371             memset( buffer, 0, 256 );
4372             if( gmtime_r( &i_date, &tmres ) &&
4373                 asctime_r( &tmres, buffer ) )
4374             {
4375                 buffer[strlen( buffer)-1]= '\0';
4376                 psz_date_utc = strdup( buffer );
4377                 msg_Dbg( &sys.demuxer, "|   |   + Date=%s", psz_date_utc );
4378             }
4379         }
4380 #endif
4381 #if LIBMATROSKA_VERSION >= 0x000704
4382         else if( MKV_IS_ID( l, KaxChapterTranslate ) )
4383         {
4384             KaxChapterTranslate *p_trans = static_cast<KaxChapterTranslate*>( l );
4385             chapter_translation_c *p_translate = new chapter_translation_c();
4386
4387             p_trans->Read( es, p_trans->Generic().Context, i_upper_level, el, true );
4388             for( j = 0; j < p_trans->ListSize(); j++ )
4389             {
4390                 EbmlElement *l = (*p_trans)[j];
4391
4392                 if( MKV_IS_ID( l, KaxChapterTranslateEditionUID ) )
4393                 {
4394                     p_translate->editions.push_back( uint64( *static_cast<KaxChapterTranslateEditionUID*>( l ) ) );
4395                 }
4396                 else if( MKV_IS_ID( l, KaxChapterTranslateCodec ) )
4397                 {
4398                     p_translate->codec_id = uint32( *static_cast<KaxChapterTranslateCodec*>( l ) );
4399                 }
4400                 else if( MKV_IS_ID( l, KaxChapterTranslateID ) )
4401                 {
4402                     p_translate->p_translated = new KaxChapterTranslateID( *static_cast<KaxChapterTranslateID*>( l ) );
4403                 }
4404             }
4405
4406             translations.push_back( p_translate );
4407         }
4408 #endif
4409         else
4410         {
4411             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4412         }
4413     }
4414
4415     double f_dur = double(i_duration) * double(i_timescale) / 1000000.0;
4416     i_duration = mtime_t(f_dur);
4417 }
4418
4419
4420 /*****************************************************************************
4421  * ParseChapterAtom
4422  *****************************************************************************/
4423 void matroska_segment_c::ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters )
4424 {
4425     size_t i, j;
4426
4427     msg_Dbg( &sys.demuxer, "|   |   |   + ChapterAtom (level=%d)", i_level );
4428     for( i = 0; i < ca->ListSize(); i++ )
4429     {
4430         EbmlElement *l = (*ca)[i];
4431
4432         if( MKV_IS_ID( l, KaxChapterUID ) )
4433         {
4434             chapters.i_uid = uint64_t(*(KaxChapterUID*)l);
4435             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterUID: %lld", chapters.i_uid );
4436         }
4437         else if( MKV_IS_ID( l, KaxChapterFlagHidden ) )
4438         {
4439             KaxChapterFlagHidden &flag =*(KaxChapterFlagHidden*)l;
4440             chapters.b_display_seekpoint = uint8( flag ) == 0;
4441
4442             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterFlagHidden: %s", chapters.b_display_seekpoint ? "no":"yes" );
4443         }
4444         else if( MKV_IS_ID( l, KaxChapterTimeStart ) )
4445         {
4446             KaxChapterTimeStart &start =*(KaxChapterTimeStart*)l;
4447             chapters.i_start_time = uint64( start ) / I64C(1000);
4448
4449             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeStart: %lld", chapters.i_start_time );
4450         }
4451         else if( MKV_IS_ID( l, KaxChapterTimeEnd ) )
4452         {
4453             KaxChapterTimeEnd &end =*(KaxChapterTimeEnd*)l;
4454             chapters.i_end_time = uint64( end ) / I64C(1000);
4455
4456             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeEnd: %lld", chapters.i_end_time );
4457         }
4458         else if( MKV_IS_ID( l, KaxChapterDisplay ) )
4459         {
4460             EbmlMaster *cd = static_cast<EbmlMaster *>(l);
4461
4462             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterDisplay" );
4463             for( j = 0; j < cd->ListSize(); j++ )
4464             {
4465                 EbmlElement *l= (*cd)[j];
4466
4467                 if( MKV_IS_ID( l, KaxChapterString ) )
4468                 {
4469                     int k;
4470
4471                     KaxChapterString &name =*(KaxChapterString*)l;
4472                     for (k = 0; k < i_level; k++)
4473                         chapters.psz_name += '+';
4474                     chapters.psz_name += ' ';
4475                     chapters.psz_name += UTF8ToStr( UTFstring( name ) );
4476                     chapters.b_user_display = true;
4477
4478                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterString '%s'", UTF8ToStr(UTFstring(name)) );
4479                 }
4480                 else if( MKV_IS_ID( l, KaxChapterLanguage ) )
4481                 {
4482                     KaxChapterLanguage &lang =*(KaxChapterLanguage*)l;
4483                     const char *psz = string( lang ).c_str();
4484
4485                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterLanguage '%s'", psz );
4486                 }
4487                 else if( MKV_IS_ID( l, KaxChapterCountry ) )
4488                 {
4489                     KaxChapterCountry &ct =*(KaxChapterCountry*)l;
4490                     const char *psz = string( ct ).c_str();
4491
4492                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterCountry '%s'", psz );
4493                 }
4494             }
4495         }
4496         else if( MKV_IS_ID( l, KaxChapterProcess ) )
4497         {
4498             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterProcess" );
4499
4500             KaxChapterProcess *cp = static_cast<KaxChapterProcess *>(l);
4501             chapter_codec_cmds_c *p_ccodec = NULL;
4502
4503             for( j = 0; j < cp->ListSize(); j++ )
4504             {
4505                 EbmlElement *k= (*cp)[j];
4506
4507                 if( MKV_IS_ID( k, KaxChapterProcessCodecID ) )
4508                 {
4509                     KaxChapterProcessCodecID *p_codec_id = static_cast<KaxChapterProcessCodecID*>( k );
4510                     if ( uint32(*p_codec_id) == 0 )
4511                         p_ccodec = new matroska_script_codec_c( sys );
4512                     else if ( uint32(*p_codec_id) == 1 )
4513                         p_ccodec = new dvd_chapter_codec_c( sys );
4514                     break;
4515                 }
4516             }
4517
4518             if ( p_ccodec != NULL )
4519             {
4520                 for( j = 0; j < cp->ListSize(); j++ )
4521                 {
4522                     EbmlElement *k= (*cp)[j];
4523
4524                     if( MKV_IS_ID( k, KaxChapterProcessPrivate ) )
4525                     {
4526                         KaxChapterProcessPrivate * p_private = static_cast<KaxChapterProcessPrivate*>( k );
4527                         p_ccodec->SetPrivate( *p_private );
4528                     }
4529                     else if( MKV_IS_ID( k, KaxChapterProcessCommand ) )
4530                     {
4531                         p_ccodec->AddCommand( *static_cast<KaxChapterProcessCommand*>( k ) );
4532                     }
4533                 }
4534                 chapters.codecs.push_back( p_ccodec );
4535             }
4536         }
4537         else if( MKV_IS_ID( l, KaxChapterAtom ) )
4538         {
4539             chapter_item_c *new_sub_chapter = new chapter_item_c();
4540             ParseChapterAtom( i_level+1, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4541             new_sub_chapter->psz_parent = &chapters;
4542             chapters.sub_chapters.push_back( new_sub_chapter );
4543         }
4544     }
4545 }
4546
4547 /*****************************************************************************
4548  * ParseChapters:
4549  *****************************************************************************/
4550 void matroska_segment_c::ParseChapters( KaxChapters *chapters )
4551 {
4552     EbmlElement *el;
4553     size_t i;
4554     int i_upper_level = 0;
4555     mtime_t i_dur;
4556
4557     /* Master elements */
4558     chapters->Read( es, chapters->Generic().Context, i_upper_level, el, true );
4559
4560     for( i = 0; i < chapters->ListSize(); i++ )
4561     {
4562         EbmlElement *l = (*chapters)[i];
4563
4564         if( MKV_IS_ID( l, KaxEditionEntry ) )
4565         {
4566             chapter_edition_c *p_edition = new chapter_edition_c();
4567
4568             EbmlMaster *E = static_cast<EbmlMaster *>(l );
4569             size_t j;
4570             msg_Dbg( &sys.demuxer, "|   |   + EditionEntry" );
4571             for( j = 0; j < E->ListSize(); j++ )
4572             {
4573                 EbmlElement *l = (*E)[j];
4574
4575                 if( MKV_IS_ID( l, KaxChapterAtom ) )
4576                 {
4577                     chapter_item_c *new_sub_chapter = new chapter_item_c();
4578                     ParseChapterAtom( 0, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4579                     p_edition->sub_chapters.push_back( new_sub_chapter );
4580                 }
4581                 else if( MKV_IS_ID( l, KaxEditionUID ) )
4582                 {
4583                     p_edition->i_uid = uint64(*static_cast<KaxEditionUID *>( l ));
4584                 }
4585                 else if( MKV_IS_ID( l, KaxEditionFlagOrdered ) )
4586                 {
4587                     p_edition->b_ordered = config_GetInt( &sys.demuxer, "mkv-use-ordered-chapters" ) ? (uint8(*static_cast<KaxEditionFlagOrdered *>( l )) != 0) : 0;
4588                 }
4589                 else if( MKV_IS_ID( l, KaxEditionFlagDefault ) )
4590                 {
4591                     if (uint8(*static_cast<KaxEditionFlagDefault *>( l )) != 0)
4592                         i_default_edition = stored_editions.size();
4593                 }
4594                 else
4595                 {
4596                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
4597                 }
4598             }
4599             stored_editions.push_back( p_edition );
4600         }
4601         else
4602         {
4603             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4604         }
4605     }
4606
4607     for( i = 0; i < stored_editions.size(); i++ )
4608     {
4609         stored_editions[i]->RefreshChapters( );
4610     }
4611
4612     if ( stored_editions.size() != 0 && stored_editions[i_default_edition]->b_ordered )
4613     {
4614         /* update the duration of the segment according to the sum of all sub chapters */
4615         i_dur = stored_editions[i_default_edition]->Duration() / I64C(1000);
4616         if (i_dur > 0)
4617             i_duration = i_dur;
4618     }
4619 }
4620
4621 void matroska_segment_c::ParseCluster( )
4622 {
4623     EbmlElement *el;
4624     EbmlMaster  *m;
4625     unsigned int i;
4626     int i_upper_level = 0;
4627
4628     /* Master elements */
4629     m = static_cast<EbmlMaster *>( cluster );
4630     m->Read( es, cluster->Generic().Context, i_upper_level, el, true );
4631
4632     for( i = 0; i < m->ListSize(); i++ )
4633     {
4634         EbmlElement *l = (*m)[i];
4635
4636         if( MKV_IS_ID( l, KaxClusterTimecode ) )
4637         {
4638             KaxClusterTimecode &ctc = *(KaxClusterTimecode*)l;
4639
4640             cluster->InitTimecode( uint64( ctc ), i_timescale );
4641             break;
4642         }
4643     }
4644
4645     i_start_time = cluster->GlobalTimecode() / 1000;
4646 }
4647
4648 /*****************************************************************************
4649  * InformationCreate:
4650  *****************************************************************************/
4651 void matroska_segment_c::InformationCreate( )
4652 {
4653     size_t      i_track;
4654
4655     sys.meta = vlc_meta_New();
4656
4657     if( psz_title )
4658     {
4659         vlc_meta_Add( sys.meta, VLC_META_TITLE, psz_title );
4660     }
4661     if( psz_date_utc )
4662     {
4663         vlc_meta_Add( sys.meta, VLC_META_DATE, psz_date_utc );
4664     }
4665     if( psz_segment_filename )
4666     {
4667         vlc_meta_Add( sys.meta, _("Segment filename"), psz_segment_filename );
4668     }
4669     if( psz_muxing_application )
4670     {
4671         vlc_meta_Add( sys.meta, _("Muxing application"), psz_muxing_application );
4672     }
4673     if( psz_writing_application )
4674     {
4675         vlc_meta_Add( sys.meta, _("Writing application"), psz_writing_application );
4676     }
4677
4678     for( i_track = 0; i_track < tracks.size(); i_track++ )
4679     {
4680         mkv_track_t *tk = tracks[i_track];
4681         vlc_meta_t *mtk = vlc_meta_New();
4682
4683         sys.meta->track = (vlc_meta_t**)realloc( sys.meta->track,
4684                                                     sizeof( vlc_meta_t * ) * ( sys.meta->i_track + 1 ) );
4685         sys.meta->track[sys.meta->i_track++] = mtk;
4686
4687         if( tk->fmt.psz_description )
4688         {
4689             vlc_meta_Add( sys.meta, VLC_META_DESCRIPTION, tk->fmt.psz_description );
4690         }
4691         if( tk->psz_codec_name )
4692         {
4693             vlc_meta_Add( sys.meta, VLC_META_CODEC_NAME, tk->psz_codec_name );
4694         }
4695         if( tk->psz_codec_settings )
4696         {
4697             vlc_meta_Add( sys.meta, VLC_META_SETTING, tk->psz_codec_settings );
4698         }
4699         if( tk->psz_codec_info_url )
4700         {
4701             vlc_meta_Add( sys.meta, VLC_META_CODEC_DESCRIPTION, tk->psz_codec_info_url );
4702         }
4703         if( tk->psz_codec_download_url )
4704         {
4705             vlc_meta_Add( sys.meta, VLC_META_URL, tk->psz_codec_download_url );
4706         }
4707     }
4708
4709     if( i_tags_position >= 0 )
4710     {
4711         vlc_bool_t b_seekable;
4712
4713         stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
4714         if( b_seekable )
4715         {
4716             LoadTags( );
4717         }
4718     }
4719 }
4720
4721
4722 /*****************************************************************************
4723  * Divers
4724  *****************************************************************************/
4725
4726 void matroska_segment_c::IndexAppendCluster( KaxCluster *cluster )
4727 {
4728 #define idx p_indexes[i_index]
4729     idx.i_track       = -1;
4730     idx.i_block_number= -1;
4731     idx.i_position    = cluster->GetElementPosition();
4732     idx.i_time        = -1;
4733     idx.b_key         = VLC_TRUE;
4734
4735     i_index++;
4736     if( i_index >= i_index_max )
4737     {
4738         i_index_max += 1024;
4739         p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
4740     }
4741 #undef idx
4742 }
4743
4744 static char * UTF8ToStr( const UTFstring &u )
4745 {
4746     int     i_src;
4747     const wchar_t *src;
4748     char *dst, *p;
4749
4750     i_src = u.length();
4751     src   = u.c_str();
4752
4753     p = dst = (char*)malloc( i_src + 1);
4754     while( i_src > 0 )
4755     {
4756         if( *src < 255 )
4757         {
4758             *p++ = (char)*src;
4759         }
4760         else
4761         {
4762             *p++ = '?';
4763         }
4764         src++;
4765         i_src--;
4766     }
4767     *p++= '\0';
4768
4769     return dst;
4770 }
4771
4772 void chapter_edition_c::RefreshChapters( )
4773 {
4774     chapter_item_c::RefreshChapters( b_ordered, -1 );
4775     b_display_seekpoint = false;
4776 }
4777
4778 int64_t chapter_item_c::RefreshChapters( bool b_ordered, int64_t i_prev_user_time )
4779 {
4780     int64_t i_user_time = i_prev_user_time;
4781
4782     // first the sub-chapters, and then ourself
4783     std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
4784     while ( index != sub_chapters.end() )
4785     {
4786         i_user_time = (*index)->RefreshChapters( b_ordered, i_user_time );
4787         index++;
4788     }
4789
4790     if ( b_ordered )
4791     {
4792         // the ordered chapters always start at zero
4793         if ( i_prev_user_time == -1 )
4794         {
4795             if ( i_user_time == -1 )
4796                 i_user_time = 0;
4797             i_prev_user_time = 0;
4798         }
4799
4800         i_user_start_time = i_prev_user_time;
4801         if ( i_end_time != -1 && i_user_time == i_prev_user_time )
4802         {
4803             i_user_end_time = i_user_start_time - i_start_time + i_end_time;
4804         }
4805         else
4806         {
4807             i_user_end_time = i_user_time;
4808         }
4809     }
4810     else
4811     {
4812         std::sort( sub_chapters.begin(), sub_chapters.end() );
4813         i_user_start_time = i_start_time;
4814         if ( i_end_time != -1 )
4815             i_user_end_time = i_end_time;
4816         else if ( i_user_time != -1 )
4817             i_user_end_time = i_user_time;
4818         else
4819             i_user_end_time = i_user_start_time;
4820     }
4821
4822     return i_user_end_time;
4823 }
4824
4825 mtime_t chapter_edition_c::Duration() const
4826 {
4827     mtime_t i_result = 0;
4828
4829     if ( sub_chapters.size() )
4830     {
4831         std::vector<chapter_item_c*>::const_iterator index = sub_chapters.end();
4832         index--;
4833         i_result = (*index)->i_user_end_time;
4834     }
4835
4836     return i_result;
4837 }
4838
4839 chapter_item_c * chapter_edition_c::FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current )
4840 {
4841     if ( !b_ordered )
4842         p_current = NULL;
4843     bool b_found_current = false;
4844     return chapter_item_c::FindTimecode( i_timecode, p_current, b_found_current );
4845 }
4846
4847 chapter_item_c *chapter_item_c::FindTimecode( mtime_t i_user_timecode, const chapter_item_c * p_current, bool & b_found )
4848 {
4849     chapter_item_c *psz_result = NULL;
4850
4851     if ( p_current == this )
4852         b_found = true;
4853
4854     if ( i_user_timecode >= i_user_start_time &&
4855         ( i_user_timecode < i_user_end_time ||
4856           ( i_user_start_time == i_user_end_time && i_user_timecode == i_user_end_time )))
4857     {
4858         std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
4859         while ( index != sub_chapters.end() && ((p_current == NULL && psz_result == NULL) || (p_current != NULL && (!b_found || psz_result == NULL))))
4860         {
4861             psz_result = (*index)->FindTimecode( i_user_timecode, p_current, b_found );
4862             index++;
4863         }
4864
4865         if ( psz_result == NULL )
4866             psz_result = this;
4867     }
4868
4869     return psz_result;
4870 }
4871
4872 bool chapter_item_c::ParentOf( const chapter_item_c & item ) const
4873 {
4874     if ( &item == this )
4875         return true;
4876
4877     std::vector<chapter_item_c*>::const_iterator index = sub_chapters.begin();
4878     while ( index != sub_chapters.end() )
4879     {
4880         if ( (*index)->ParentOf( item ) )
4881             return true;
4882         index++;
4883     }
4884
4885     return false;
4886 }
4887
4888 void demux_sys_t::PreloadFamily( const matroska_segment_c & of_segment )
4889 {
4890     for (size_t i=0; i<opened_segments.size(); i++)
4891     {
4892         opened_segments[i]->PreloadFamily( of_segment );
4893     }
4894 }
4895 bool matroska_segment_c::PreloadFamily( const matroska_segment_c & of_segment )
4896 {
4897     if ( b_preloaded )
4898         return false;
4899
4900     for (size_t i=0; i<families.size(); i++)
4901     {
4902         for (size_t j=0; j<of_segment.families.size(); j++)
4903         {
4904             if ( families[i] == of_segment.families[j] )
4905                 return Preload( );
4906         }
4907     }
4908
4909     return false;
4910 }
4911
4912 // preload all the linked segments for all preloaded segments
4913 void demux_sys_t::PreloadLinked( matroska_segment_c *p_segment )
4914 {
4915     size_t i_preloaded, i, j;
4916     virtual_segment_c *p_seg;
4917
4918     p_current_segment = VirtualFromSegments( p_segment );
4919
4920     used_segments.push_back( p_current_segment );
4921
4922     // create all the other virtual segments of the family
4923     do {
4924         i_preloaded = 0;
4925         for ( i=0; i< opened_segments.size(); i++ )
4926         {
4927             if ( opened_segments[i]->b_preloaded && !IsUsedSegment( *opened_segments[i] ) )
4928             {
4929                 p_seg = VirtualFromSegments( opened_segments[i] );
4930                 used_segments.push_back( p_seg );
4931                 i_preloaded++;
4932             }
4933         }
4934     } while ( i_preloaded ); // worst case: will stop when all segments are found as family related
4935
4936     // publish all editions of all usable segment
4937     for ( i=0; i< used_segments.size(); i++ )
4938     {
4939         p_seg = used_segments[i];
4940         if ( p_seg->p_editions != NULL )
4941         {
4942             std::string sz_name;
4943             input_title_t *p_title = vlc_input_title_New();
4944             p_seg->i_sys_title = i;
4945             int i_chapters;
4946
4947             // TODO use a name for each edition, let the TITLE deal with a codec name
4948             for ( j=0; j<p_seg->p_editions->size(); j++ )
4949             {
4950                 if ( p_title->psz_name == NULL )
4951                 {
4952                     sz_name = (*p_seg->p_editions)[j]->GetMainName();
4953                     if ( sz_name != "" )
4954                         p_title->psz_name = strdup( sz_name.c_str() );
4955                 }
4956
4957                 chapter_edition_c *p_edition = (*p_seg->p_editions)[j];
4958
4959                 i_chapters = 0;
4960                 p_edition->PublishChapters( *p_title, i_chapters, 0 );
4961             }
4962
4963             // create a name if there is none
4964             if ( p_title->psz_name == NULL )
4965             {
4966                 sz_name = N_("Segment ");
4967                 char psz_str[6];
4968                 sprintf( psz_str, "%d", i );
4969                 sz_name += psz_str;
4970                 p_title->psz_name = strdup( sz_name.c_str() );
4971             }
4972
4973             titles.push_back( p_title );
4974         }
4975     }
4976
4977     // TODO decide which segment should be first used (VMG for DVD)
4978 }
4979
4980 bool demux_sys_t::IsUsedSegment( matroska_segment_c &segment ) const
4981 {
4982     for ( size_t i=0; i< used_segments.size(); i++ )
4983     {
4984         if ( used_segments[i]->FindUID( *segment.p_segment_uid ) )
4985             return true;
4986     }
4987     return false;
4988 }
4989
4990 virtual_segment_c *demux_sys_t::VirtualFromSegments( matroska_segment_c *p_segment ) const
4991 {
4992     size_t i_preloaded, i;
4993
4994     virtual_segment_c *p_result = new virtual_segment_c( p_segment );
4995
4996     // fill our current virtual segment with all hard linked segments
4997     do {
4998         i_preloaded = 0;
4999         for ( i=0; i< opened_segments.size(); i++ )
5000         {
5001             i_preloaded += p_result->AddSegment( opened_segments[i] );
5002         }
5003     } while ( i_preloaded ); // worst case: will stop when all segments are found as linked
5004
5005     p_result->Sort( );
5006
5007     p_result->PreloadLinked( );
5008
5009     p_result->PrepareChapters( );
5010
5011     return p_result;
5012 }
5013
5014 bool demux_sys_t::PreparePlayback( virtual_segment_c *p_new_segment )
5015 {
5016     if ( p_new_segment != NULL && p_new_segment != p_current_segment )
5017     {
5018         if ( p_current_segment != NULL && p_current_segment->Segment() != NULL )
5019             p_current_segment->Segment()->UnSelect();
5020
5021         p_current_segment = p_new_segment;
5022         i_current_title = p_new_segment->i_sys_title;
5023     }
5024
5025     p_current_segment->LoadCues();
5026     f_duration = p_current_segment->Duration();
5027
5028     /* add information */
5029     p_current_segment->Segment()->InformationCreate( );
5030
5031     p_current_segment->Segment()->Select( 0 );
5032
5033     return true;
5034 }
5035
5036 void demux_sys_t::JumpTo( virtual_segment_c & vsegment, chapter_item_c * p_chapter )
5037 {
5038     // if the segment is not part of the current segment, select the new one
5039     if ( &vsegment != p_current_segment )
5040     {
5041         PreparePlayback( &vsegment );
5042     }
5043
5044     if ( p_chapter != NULL )
5045     {
5046         if ( !p_chapter->Enter( true ) )
5047         {
5048             // jump to the location in the found segment
5049             vsegment.Seek( demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5050         }
5051     }
5052
5053 }
5054
5055 bool matroska_segment_c::CompareSegmentUIDs( const matroska_segment_c * p_item_a, const matroska_segment_c * p_item_b )
5056 {
5057     EbmlBinary * p_itema = (EbmlBinary *)(p_item_a->p_segment_uid);
5058     if ( *p_itema == *p_item_b->p_prev_segment_uid )
5059         return true;
5060
5061     p_itema = (EbmlBinary *)(&p_item_a->p_next_segment_uid);
5062     if ( *p_itema == *p_item_b->p_segment_uid )
5063         return true;
5064
5065     if ( *p_itema == *p_item_b->p_prev_segment_uid )
5066         return true;
5067
5068     return false;
5069 }
5070
5071 bool matroska_segment_c::Preload( )
5072 {
5073     if ( b_preloaded )
5074         return false;
5075
5076     EbmlElement *el = NULL;
5077
5078     ep->Reset( &sys.demuxer );
5079
5080     while( ( el = ep->Get() ) != NULL )
5081     {
5082         if( MKV_IS_ID( el, KaxInfo ) )
5083         {
5084             ParseInfo( static_cast<KaxInfo*>( el ) );
5085         }
5086         else if( MKV_IS_ID( el, KaxTracks ) )
5087         {
5088             ParseTracks( static_cast<KaxTracks*>( el ) );
5089         }
5090         else if( MKV_IS_ID( el, KaxSeekHead ) )
5091         {
5092             ParseSeekHead( static_cast<KaxSeekHead*>( el ) );
5093         }
5094         else if( MKV_IS_ID( el, KaxCues ) )
5095         {
5096             msg_Dbg( &sys.demuxer, "|   + Cues" );
5097         }
5098         else if( MKV_IS_ID( el, KaxCluster ) )
5099         {
5100             msg_Dbg( &sys.demuxer, "|   + Cluster" );
5101
5102             cluster = (KaxCluster*)el;
5103
5104             i_cluster_pos = i_start_pos = cluster->GetElementPosition();
5105             ParseCluster( );
5106
5107             ep->Down();
5108             /* stop parsing the stream */
5109             break;
5110         }
5111         else if( MKV_IS_ID( el, KaxAttachments ) )
5112         {
5113             msg_Dbg( &sys.demuxer, "|   + Attachments FIXME (but probably never supported)" );
5114         }
5115         else if( MKV_IS_ID( el, KaxChapters ) )
5116         {
5117             msg_Dbg( &sys.demuxer, "|   + Chapters" );
5118             ParseChapters( static_cast<KaxChapters*>( el ) );
5119         }
5120         else if( MKV_IS_ID( el, KaxTag ) )
5121         {
5122             msg_Dbg( &sys.demuxer, "|   + Tags FIXME TODO" );
5123         }
5124         else
5125         {
5126             msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid(*el).name() );
5127         }
5128     }
5129
5130     b_preloaded = true;
5131
5132     return true;
5133 }
5134
5135 matroska_segment_c *demux_sys_t::FindSegment( const EbmlBinary & uid ) const
5136 {
5137     for (size_t i=0; i<opened_segments.size(); i++)
5138     {
5139         if ( *opened_segments[i]->p_segment_uid == uid )
5140             return opened_segments[i];
5141     }
5142     return NULL;
5143 }
5144
5145 chapter_item_c *demux_sys_t::BrowseCodecPrivate( unsigned int codec_id,
5146                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
5147                                         const void *p_cookie,
5148                                         size_t i_cookie_size,
5149                                         virtual_segment_c * &p_segment_found )
5150 {
5151     chapter_item_c *p_result = NULL;
5152     for (size_t i=0; i<used_segments.size(); i++)
5153     {
5154         p_result = used_segments[i]->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
5155         if ( p_result != NULL )
5156         {
5157             p_segment_found = used_segments[i];
5158             break;
5159         }
5160     }
5161     return p_result;
5162 }
5163
5164 chapter_item_c *demux_sys_t::FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found )
5165 {
5166     chapter_item_c *p_result = NULL;
5167     for (size_t i=0; i<used_segments.size(); i++)
5168     {
5169         p_result = used_segments[i]->FindChapter( i_find_uid );
5170         if ( p_result != NULL )
5171         {
5172             p_segment_found = used_segments[i];
5173             break;
5174         }
5175     }
5176     return p_result;
5177 }
5178
5179 void virtual_segment_c::Sort()
5180 {
5181     // keep the current segment index
5182     matroska_segment_c *p_segment = linked_segments[i_current_segment];
5183
5184     std::sort( linked_segments.begin(), linked_segments.end(), matroska_segment_c::CompareSegmentUIDs );
5185
5186     for ( i_current_segment=0; i_current_segment<linked_segments.size(); i_current_segment++)
5187         if ( linked_segments[i_current_segment] == p_segment )
5188             break;
5189 }
5190
5191 size_t virtual_segment_c::AddSegment( matroska_segment_c *p_segment )
5192 {
5193     size_t i;
5194     // check if it's not already in here
5195     for ( i=0; i<linked_segments.size(); i++ )
5196     {
5197         if ( *p_segment->p_segment_uid == *linked_segments[i]->p_segment_uid )
5198             return 0;
5199     }
5200
5201     // find possible mates
5202     for ( i=0; i<linked_uids.size(); i++ )
5203     {
5204         if (   (p_segment->p_segment_uid != NULL && *p_segment->p_segment_uid == linked_uids[i])
5205             || (p_segment->p_prev_segment_uid != NULL && *p_segment->p_prev_segment_uid == linked_uids[i])
5206             || (p_segment->p_next_segment_uid !=NULL && *p_segment->p_next_segment_uid == linked_uids[i]) )
5207         {
5208             linked_segments.push_back( p_segment );
5209
5210             AppendUID( p_segment->p_prev_segment_uid );
5211             AppendUID( p_segment->p_next_segment_uid );
5212
5213             return 1;
5214         }
5215     }
5216     return 0;
5217 }
5218
5219 void virtual_segment_c::PreloadLinked( )
5220 {
5221     for ( size_t i=0; i<linked_segments.size(); i++ )
5222     {
5223         linked_segments[i]->Preload( );
5224     }
5225     i_current_edition = linked_segments[0]->i_default_edition;
5226 }
5227
5228 mtime_t virtual_segment_c::Duration() const
5229 {
5230     mtime_t i_duration;
5231     if ( linked_segments.size() == 0 )
5232         i_duration = 0;
5233     else {
5234         matroska_segment_c *p_last_segment = linked_segments[linked_segments.size()-1];
5235 //        p_last_segment->ParseCluster( );
5236
5237         i_duration = p_last_segment->i_start_time / 1000 + p_last_segment->i_duration;
5238     }
5239     return i_duration;
5240 }
5241
5242 void virtual_segment_c::LoadCues( )
5243 {
5244     for ( size_t i=0; i<linked_segments.size(); i++ )
5245     {
5246         linked_segments[i]->LoadCues();
5247     }
5248 }
5249
5250 void virtual_segment_c::AppendUID( const EbmlBinary * p_UID )
5251 {
5252     if ( p_UID == NULL )
5253         return;
5254     if ( p_UID->GetBuffer() == NULL )
5255         return;
5256
5257     for (size_t i=0; i<linked_uids.size(); i++)
5258     {
5259         if ( *p_UID == linked_uids[i] )
5260             return;
5261     }
5262     linked_uids.push_back( *(KaxSegmentUID*)(p_UID) );
5263 }
5264
5265 void matroska_segment_c::Seek( mtime_t i_date, mtime_t i_time_offset )
5266 {
5267     KaxBlock    *block;
5268     int         i_track_skipping;
5269     int64_t     i_block_duration;
5270     int64_t     i_block_ref1;
5271     int64_t     i_block_ref2;
5272     size_t      i_track;
5273     int64_t     i_seek_position = i_start_pos;
5274     int64_t     i_seek_time = i_start_time;
5275
5276     if ( i_index > 0 )
5277     {
5278         int i_idx = 0;
5279
5280         for( ; i_idx < i_index; i_idx++ )
5281         {
5282             if( p_indexes[i_idx].i_time + i_time_offset > i_date )
5283             {
5284                 break;
5285             }
5286         }
5287
5288         if( i_idx > 0 )
5289         {
5290             i_idx--;
5291         }
5292
5293         i_seek_position = p_indexes[i_idx].i_position;
5294         i_seek_time = p_indexes[i_idx].i_time;
5295     }
5296
5297     msg_Dbg( &sys.demuxer, "seek got "I64Fd" (%d%%)",
5298                 i_seek_time, (int)( 100 * i_seek_position / stream_Size( sys.demuxer.s ) ) );
5299
5300     es.I_O().setFilePointer( i_seek_position, seek_beginning );
5301
5302     delete ep;
5303     ep = new EbmlParser( &es, segment, &sys.demuxer );
5304     cluster = NULL;
5305
5306     sys.i_start_pts = i_date;
5307
5308     es_out_Control( sys.demuxer.out, ES_OUT_RESET_PCR );
5309
5310     /* now parse until key frame */
5311     i_track_skipping = 0;
5312     for( i_track = 0; i_track < tracks.size(); i_track++ )
5313     {
5314         if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5315         {
5316             tracks[i_track]->b_search_keyframe = VLC_TRUE;
5317             i_track_skipping++;
5318         }
5319         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_date );
5320     }
5321
5322
5323     while( i_track_skipping > 0 )
5324     {
5325         if( BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
5326         {
5327             msg_Warn( &sys.demuxer, "cannot get block EOF?" );
5328
5329             return;
5330         }
5331         ep->Down();
5332
5333         for( i_track = 0; i_track < tracks.size(); i_track++ )
5334         {
5335             if( tracks[i_track]->i_number == block->TrackNum() )
5336             {
5337                 break;
5338             }
5339         }
5340
5341         sys.i_last_dts = sys.i_pts = (sys.i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
5342
5343         if( i_track < tracks.size() )
5344         {
5345            if( sys.i_pts >= sys.i_start_pts )
5346             {
5347                 cluster = static_cast<KaxCluster*>(ep->UnGet( i_block_pos, i_cluster_pos ));
5348                 i_track_skipping = 0;
5349             }
5350             else if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5351             {
5352                 if( i_block_ref1 == 0 && tracks[i_track]->b_search_keyframe )
5353                 {
5354                     tracks[i_track]->b_search_keyframe = VLC_FALSE;
5355                     i_track_skipping--;
5356                 }
5357                 if( !tracks[i_track]->b_search_keyframe )
5358                 {
5359                     BlockDecode( &sys.demuxer, block, sys.i_pts, 0 );
5360                 }
5361             }
5362         }
5363
5364         delete block;
5365     }
5366 }
5367
5368 void virtual_segment_c::Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter )
5369 {
5370     demux_sys_t *p_sys = demuxer.p_sys;
5371     size_t i;
5372
5373     // find the actual time for an ordered edition
5374     if ( psz_chapter == NULL )
5375     {
5376         if ( Edition() && Edition()->b_ordered )
5377         {
5378             /* 1st, we need to know in which chapter we are */
5379             psz_chapter = (*p_editions)[i_current_edition]->FindTimecode( i_date, psz_current_chapter );
5380         }
5381     }
5382
5383     if ( psz_chapter != NULL )
5384     {
5385         psz_current_chapter = psz_chapter;
5386         p_sys->i_chapter_time = i_time_offset = psz_chapter->i_user_start_time - psz_chapter->i_start_time;
5387         if ( psz_chapter->i_seekpoint_num > 0 )
5388         {
5389             demuxer.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
5390             demuxer.info.i_title = p_sys->i_current_title = i_sys_title;
5391             demuxer.info.i_seekpoint = psz_chapter->i_seekpoint_num - 1;
5392         }
5393     }
5394
5395     // find the best matching segment
5396     for ( i=0; i<linked_segments.size(); i++ )
5397     {
5398         if ( i_date < linked_segments[i]->i_start_time )
5399             break;
5400     }
5401
5402     if ( i > 0 )
5403         i--;
5404
5405     if ( i_current_segment != i  )
5406     {
5407         linked_segments[i_current_segment]->UnSelect();
5408         linked_segments[i]->Select( i_date );
5409         i_current_segment = i;
5410     }
5411
5412     linked_segments[i]->Seek( i_date, i_time_offset );
5413 }
5414
5415 void chapter_codec_cmds_c::AddCommand( const KaxChapterProcessCommand & command )
5416 {
5417     size_t i;
5418
5419     uint32 codec_time = uint32(-1);
5420     for( i = 0; i < command.ListSize(); i++ )
5421     {
5422         const EbmlElement *k = command[i];
5423
5424         if( MKV_IS_ID( k, KaxChapterProcessTime ) )
5425         {
5426             codec_time = uint32( *static_cast<const KaxChapterProcessTime*>( k ) );
5427             break;
5428         }
5429     }
5430
5431     for( i = 0; i < command.ListSize(); i++ )
5432     {
5433         const EbmlElement *k = command[i];
5434
5435         if( MKV_IS_ID( k, KaxChapterProcessData ) )
5436         {
5437             KaxChapterProcessData *p_data =  new KaxChapterProcessData( *static_cast<const KaxChapterProcessData*>( k ) );
5438             switch ( codec_time )
5439             {
5440             case 0:
5441                 during_cmds.push_back( p_data );
5442                 break;
5443             case 1:
5444                 enter_cmds.push_back( p_data );
5445                 break;
5446             case 2:
5447                 leave_cmds.push_back( p_data );
5448                 break;
5449             default:
5450                 delete p_data;
5451             }
5452         }
5453     }
5454 }
5455
5456 bool chapter_item_c::Enter( bool b_do_subs )
5457 {
5458     bool f_result = false;
5459     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5460     while ( index != codecs.end() )
5461     {
5462         f_result |= (*index)->Enter();
5463         index++;
5464     }
5465
5466     if ( b_do_subs )
5467     {
5468         // sub chapters
5469         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5470         while ( index_ != sub_chapters.end() )
5471         {
5472             f_result |= (*index_)->Enter( true );
5473             index_++;
5474         }
5475     }
5476     return f_result;
5477 }
5478
5479 bool chapter_item_c::Leave( bool b_do_subs )
5480 {
5481     bool f_result = false;
5482     b_is_leaving = true;
5483     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5484     while ( index != codecs.end() )
5485     {
5486         f_result |= (*index)->Leave();
5487         index++;
5488     }
5489
5490     if ( b_do_subs )
5491     {
5492         // sub chapters
5493         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5494         while ( index_ != sub_chapters.end() )
5495         {
5496             f_result |= (*index_)->Leave( true );
5497             index_++;
5498         }
5499     }
5500     b_is_leaving = false;
5501     return f_result;
5502 }
5503
5504 bool chapter_item_c::EnterAndLeave( chapter_item_c *p_item, bool b_final_enter )
5505 {
5506     chapter_item_c *p_common_parent = p_item;
5507
5508     // leave, up to a common parent
5509     while ( p_common_parent != NULL && !p_common_parent->ParentOf( *this ) )
5510     {
5511         if ( !p_common_parent->b_is_leaving && p_common_parent->Leave( false ) )
5512             return true;
5513         p_common_parent = p_common_parent->psz_parent;
5514     }
5515
5516     // enter from the parent to <this>
5517     if ( p_common_parent != NULL )
5518     {
5519         do
5520         {
5521             if ( p_common_parent == this )
5522                 return Enter( true );
5523
5524             for ( size_t i = 0; i<p_common_parent->sub_chapters.size(); i++ )
5525             {
5526                 if ( p_common_parent->sub_chapters[i]->ParentOf( *this ) )
5527                 {
5528                     p_common_parent = p_common_parent->sub_chapters[i];
5529                     if ( p_common_parent != this )
5530                         if ( p_common_parent->Enter( false ) )
5531                             return true;
5532
5533                     break;
5534                 }
5535             }
5536         } while ( 1 );
5537     }
5538
5539     if ( b_final_enter )
5540         return Enter( true );
5541     else
5542         return false;
5543 }
5544
5545 bool dvd_chapter_codec_c::Enter()
5546 {
5547     bool f_result = false;
5548     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
5549     while ( index != enter_cmds.end() )
5550     {
5551         if ( (*index)->GetSize() )
5552         {
5553             binary *p_data = (*index)->GetBuffer();
5554             size_t i_size = *p_data++;
5555             // avoid reading too much from the buffer
5556             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
5557             for ( ; i_size > 0; i_size--, p_data += 8 )
5558             {
5559                 msg_Dbg( &sys.demuxer, "Matroska DVD enter command" );
5560                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5561             }
5562         }
5563         index++;
5564     }
5565     return f_result;
5566 }
5567
5568 bool dvd_chapter_codec_c::Leave()
5569 {
5570     bool f_result = false;
5571     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
5572     while ( index != leave_cmds.end() )
5573     {
5574         if ( (*index)->GetSize() )
5575         {
5576             binary *p_data = (*index)->GetBuffer();
5577             size_t i_size = *p_data++;
5578             // avoid reading too much from the buffer
5579             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
5580             for ( ; i_size > 0; i_size--, p_data += 8 )
5581             {
5582                 msg_Dbg( &sys.demuxer, "Matroska DVD leave command" );
5583                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5584             }
5585         }
5586         index++;
5587     }
5588     return f_result;
5589 }
5590
5591 // see http://www.dvd-replica.com/DVD/vmcmdset.php for a description of DVD commands
5592 bool dvd_command_interpretor_c::Interpret( const binary * p_command, size_t i_size )
5593 {
5594     if ( i_size != 8 )
5595         return false;
5596
5597     virtual_segment_c *p_segment;
5598     chapter_item_c *p_chapter;
5599     bool f_result = false;
5600     uint16 i_command = ( p_command[0] << 8 ) + p_command[1];
5601
5602     // handle register tests if there are some
5603     if ( (i_command & 0xF0) != 0 )
5604     {
5605         bool b_test_positive = true;//(i_command & CMD_DVD_IF_NOT) == 0;
5606         bool b_test_value    = (i_command & CMD_DVD_TEST_VALUE) != 0;
5607         uint8 i_test = i_command & 0x70;
5608         uint16 i_value;
5609
5610         // see http://dvd.sourceforge.net/dvdinfo/vmi.html
5611         uint8  i_cr1;
5612         uint16 i_cr2;
5613         switch ( i_command >> 12 )
5614         {
5615         default:
5616             i_cr1 = p_command[3];
5617             i_cr2 = (p_command[4] << 8) + p_command[5];
5618             break;
5619         case 3:
5620         case 4:
5621         case 5:
5622             i_cr1 = p_command[6];
5623             i_cr2 = p_command[7];
5624             b_test_value = false;
5625             break;
5626         case 6:
5627         case 7:
5628             if ( ((p_command[1] >> 4) & 0x7) == 0)
5629             {
5630                 i_cr1 = p_command[2];
5631                 i_cr2 = (p_command[6] << 8) + p_command[7];
5632             }
5633             else
5634             {
5635                 i_cr1 = p_command[2];
5636                 i_cr2 = (p_command[6] << 8) + p_command[7];
5637             }
5638             break;
5639         }
5640
5641         if ( b_test_value )
5642             i_value = i_cr2;
5643         else
5644             i_value = GetPRM( i_cr2 );
5645
5646         switch ( i_test )
5647         {
5648         case CMD_DVD_IF_GPREG_EQUAL:
5649             // if equals
5650             msg_Dbg( &sys.demuxer, "IF %s EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5651             if (!( GetPRM( i_cr1 ) == i_value ))
5652             {
5653                 b_test_positive = false;
5654             }
5655             break;
5656         case CMD_DVD_IF_GPREG_NOT_EQUAL:
5657             // if not equals
5658             msg_Dbg( &sys.demuxer, "IF %s NOT EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5659             if (!( GetPRM( i_cr1 ) != i_value ))
5660             {
5661                 b_test_positive = false;
5662             }
5663             break;
5664         case CMD_DVD_IF_GPREG_INF:
5665             // if inferior
5666             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5667             if (!( GetPRM( i_cr1 ) < i_value ))
5668             {
5669                 b_test_positive = false;
5670             }
5671             break;
5672         case CMD_DVD_IF_GPREG_INF_EQUAL:
5673             // if inferior or equal
5674             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5675             if (!( GetPRM( i_cr1 ) <= i_value ))
5676             {
5677                 b_test_positive = false;
5678             }
5679             break;
5680         case CMD_DVD_IF_GPREG_AND:
5681             // if logical and
5682             msg_Dbg( &sys.demuxer, "IF %s & %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5683             if (!( GetPRM( i_cr1 ) & i_value ))
5684             {
5685                 b_test_positive = false;
5686             }
5687             break;
5688         case CMD_DVD_IF_GPREG_SUP:
5689             // if superior
5690             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5691             if (!( GetPRM( i_cr1 ) > i_value ))
5692             {
5693                 b_test_positive = false;
5694             }
5695             break;
5696         case CMD_DVD_IF_GPREG_SUP_EQUAL:
5697             // if superior or equal
5698             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5699             if (!( GetPRM( i_cr1 ) >= i_value ))
5700             {
5701                 b_test_positive = false;
5702             }
5703             break;
5704         }
5705
5706         if ( !b_test_positive )
5707             return false;
5708     }
5709
5710     // strip the test command
5711     i_command &= 0xFF0F;
5712
5713     switch ( i_command )
5714     {
5715     case CMD_DVD_NOP:
5716     case CMD_DVD_NOP2:
5717         {
5718             msg_Dbg( &sys.demuxer, "NOP" );
5719             break;
5720         }
5721     case CMD_DVD_BREAK:
5722         {
5723             msg_Dbg( &sys.demuxer, "Break" );
5724             // TODO
5725             break;
5726         }
5727     case CMD_DVD_JUMP_TT:
5728         {
5729             uint8 i_title = p_command[5];
5730             msg_Dbg( &sys.demuxer, "JumpTT %d", i_title );
5731
5732             // find in the ChapProcessPrivate matching this Title level
5733             p_chapter = sys.BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title), p_segment );
5734             if ( p_segment != NULL )
5735             {
5736                 sys.JumpTo( *p_segment, p_chapter );
5737                 f_result = true;
5738             }
5739
5740             break;
5741         }
5742     case CMD_DVD_CALLSS_VTSM1:
5743         {
5744             msg_Dbg( &sys.demuxer, "CallSS" );
5745             binary p_type;
5746             switch( (p_command[6] & 0xC0) >> 6 ) {
5747                 case 0:
5748                     p_type = p_command[5] & 0x0F;
5749                     switch ( p_type )
5750                     {
5751                     case 0x00:
5752                         msg_Dbg( &sys.demuxer, "CallSS PGC (rsm_cell %x)", p_command[4]);
5753                         break;
5754                     case 0x02:
5755                         msg_Dbg( &sys.demuxer, "CallSS Title Entry (rsm_cell %x)", p_command[4]);
5756                         break;
5757                     case 0x03:
5758                         msg_Dbg( &sys.demuxer, "CallSS Root Menu (rsm_cell %x)", p_command[4]);
5759                         break;
5760                     case 0x04:
5761                         msg_Dbg( &sys.demuxer, "CallSS Subpicture Menu (rsm_cell %x)", p_command[4]);
5762                         break;
5763                     case 0x05:
5764                         msg_Dbg( &sys.demuxer, "CallSS Audio Menu (rsm_cell %x)", p_command[4]);
5765                         break;
5766                     case 0x06:
5767                         msg_Dbg( &sys.demuxer, "CallSS Angle Menu (rsm_cell %x)", p_command[4]);
5768                         break;
5769                     case 0x07:
5770                         msg_Dbg( &sys.demuxer, "CallSS Chapter Menu (rsm_cell %x)", p_command[4]);
5771                         break;
5772                     default:
5773                         msg_Dbg( &sys.demuxer, "CallSS <unknown> (rsm_cell %x)", p_command[4]);
5774                         break;
5775                     }
5776                     p_chapter = sys.BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1, p_segment );
5777                     if ( p_segment != NULL )
5778                     {
5779                         sys.JumpTo( *p_segment, p_chapter );
5780                         f_result = true;
5781                     }
5782                 break;
5783                 case 1:
5784                     msg_Dbg( &sys.demuxer, "CallSS VMGM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
5785                 break;
5786                 case 2:
5787                     msg_Dbg( &sys.demuxer, "CallSS VTSM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
5788                 break;
5789                 case 3:
5790                     msg_Dbg( &sys.demuxer, "CallSS VMGM (pgc %d, rsm_cell %x)", (p_command[2] << 8) + p_command[3], p_command[4]);
5791                 break;
5792             }
5793             break;
5794         }
5795     case CMD_DVD_JUMP_SS:
5796         {
5797             msg_Dbg( &sys.demuxer, "JumpSS");
5798             binary p_type;
5799             switch( (p_command[5] & 0xC0) >> 6 ) {
5800                 case 0:
5801                     msg_Dbg( &sys.demuxer, "JumpSS FP");
5802                 break;
5803                 case 1:
5804                     p_type = p_command[5] & 0x0F;
5805                     switch ( p_type )
5806                     {
5807                     case 0x02:
5808                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Title Entry");
5809                         break;
5810                     case 0x03:
5811                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Root Menu");
5812                         break;
5813                     case 0x04:
5814                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Subpicture Menu");
5815                         break;
5816                     case 0x05:
5817                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Audio Menu");
5818                         break;
5819                     case 0x06:
5820                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Angle Menu");
5821                         break;
5822                     case 0x07:
5823                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Chapter Menu");
5824                         break;
5825                     default:
5826                         msg_Dbg( &sys.demuxer, "JumpSS <unknown>");
5827                         break;
5828                     }
5829                     // find the VMG
5830                     p_chapter = sys.BrowseCodecPrivate( 1, MatchIsVMG, NULL, 0, p_segment );
5831                     if ( p_segment != NULL )
5832                     {
5833                         p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
5834                         if ( p_chapter != NULL )
5835                         {
5836                             sys.JumpTo( *p_segment, p_chapter );
5837                             f_result = true;
5838                         }
5839                     }
5840                 break;
5841                 case 2:
5842                     p_type = p_command[5] & 0x0F;
5843                     switch ( p_type )
5844                     {
5845                     case 0x02:
5846                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Title Entry", p_command[4], p_command[3]);
5847                         break;
5848                     case 0x03:
5849                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Root Menu", p_command[4], p_command[3]);
5850                         break;
5851                     case 0x04:
5852                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Subpicture Menu", p_command[4], p_command[3]);
5853                         break;
5854                     case 0x05:
5855                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Audio Menu", p_command[4], p_command[3]);
5856                         break;
5857                     case 0x06:
5858                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Angle Menu", p_command[4], p_command[3]);
5859                         break;
5860                     case 0x07:
5861                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Chapter Menu", p_command[4], p_command[3]);
5862                         break;
5863                     default:
5864                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) <unknown>", p_command[4], p_command[3]);
5865                         break;
5866                     }
5867
5868                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSMNumber, &p_command[4], 1, p_segment );
5869
5870                     if ( p_segment != NULL && p_chapter != NULL )
5871                     {
5872                         // find the title in the VTS
5873                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &p_command[3], 1 );
5874                         if ( p_chapter != NULL )
5875                         {
5876                             // find the specified menu in the VTSM
5877                             p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
5878                             if ( p_chapter != NULL )
5879                             {
5880                                 sys.JumpTo( *p_segment, p_chapter );
5881                                 f_result = true;
5882                             }
5883                         }
5884                         else
5885                             msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", p_command[3] );
5886                     }
5887                     else
5888                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", p_command[4] );
5889                 break;
5890                 case 3:
5891                     msg_Dbg( &sys.demuxer, "JumpSS VMGM (pgc %d)", (p_command[2] << 8) + p_command[3]);
5892                 break;
5893             }
5894             break;
5895         }
5896     case CMD_DVD_JUMPVTS_PTT:
5897         {
5898             uint8 i_title = p_command[5];
5899             uint8 i_ptt = p_command[3];
5900
5901             msg_Dbg( &sys.demuxer, "JumpVTS Title (%d) PTT (%d)", i_title, i_ptt);
5902
5903             // find the current VTS content segment
5904             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchIsDomain, NULL, 0 );
5905             if ( p_chapter != NULL )
5906             {
5907                 int16 i_curr_title = p_chapter->GetTitleNumber( );
5908                 if ( i_curr_title > 0 )
5909                 {
5910                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSNumber, &i_curr_title, sizeof(i_curr_title), p_segment );
5911
5912                     if ( p_segment != NULL && p_chapter != NULL )
5913                     {
5914                         // find the title in the VTS
5915                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title) );
5916                         if ( p_chapter != NULL )
5917                         {
5918                             // find the chapter in the title
5919                             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchChapterNumber, &i_ptt, sizeof(i_ptt) );
5920                             if ( p_chapter != NULL )
5921                             {
5922                                 sys.JumpTo( *p_segment, p_chapter );
5923                                 f_result = true;
5924                             }
5925                         }
5926                     else
5927                         msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", i_title );
5928                     }
5929                     else
5930                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", i_curr_title );
5931                 }
5932                 else
5933                     msg_Dbg( &sys.demuxer, "JumpVTS_PTT command found but not in a VTS(M)");
5934             }
5935             else
5936                 msg_Dbg( &sys.demuxer, "JumpVTS_PTT command but the DVD domain wasn't found");
5937             break;
5938         }
5939     case CMD_DVD_SET_GPRMMD:
5940         {
5941             msg_Dbg( &sys.demuxer, "Set GPRMMD [%d]=%d", (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3]);
5942
5943             if ( !SetGPRM( (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3] ) )
5944                 msg_Dbg( &sys.demuxer, "Set GPRMMD failed" );
5945             break;
5946         }
5947     case CMD_DVD_LINKPGCN:
5948         {
5949             uint16 i_pgcn = (p_command[6] << 8) + p_command[7];
5950
5951             msg_Dbg( &sys.demuxer, "Link PGCN(%d)", i_pgcn );
5952             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchPgcNumber, &i_pgcn, 2 );
5953             if ( p_chapter != NULL )
5954             {
5955                 if ( !p_chapter->Enter( true ) )
5956                     // jump to the location in the found segment
5957                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5958
5959                 f_result = true;
5960             }
5961             break;
5962         }
5963     case CMD_DVD_LINKCN:
5964         {
5965             uint8 i_cn = p_command[7];
5966
5967             p_chapter = sys.p_current_segment->CurrentChapter();
5968
5969             msg_Dbg( &sys.demuxer, "LinkCN (cell %d)", i_cn );
5970             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchCellNumber, &i_cn, 1 );
5971             if ( p_chapter != NULL )
5972             {
5973                 if ( !p_chapter->Enter( true ) )
5974                     // jump to the location in the found segment
5975                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5976
5977                 f_result = true;
5978             }
5979             break;
5980         }
5981     case CMD_DVD_GOTO_LINE:
5982         {
5983             msg_Dbg( &sys.demuxer, "GotoLine (%d)", (p_command[6] << 8) + p_command[7] );
5984             // TODO
5985             break;
5986         }
5987     case CMD_DVD_SET_HL_BTNN1:
5988         {
5989             msg_Dbg( &sys.demuxer, "SetHL_BTN (%d)", p_command[4] );
5990             SetSPRM( 0x88, p_command[4] );
5991             break;
5992         }
5993     default:
5994         {
5995             msg_Dbg( &sys.demuxer, "unsupported command : %02X %02X %02X %02X %02X %02X %02X %02X"
5996                      ,p_command[0]
5997                      ,p_command[1]
5998                      ,p_command[2]
5999                      ,p_command[3]
6000                      ,p_command[4]
6001                      ,p_command[5]
6002                      ,p_command[6]
6003                      ,p_command[7]);
6004             break;
6005         }
6006     }
6007
6008     return f_result;
6009 }
6010
6011 bool dvd_command_interpretor_c::MatchIsDomain( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6012 {
6013     return ( data.p_private_data != NULL && data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS );
6014 }
6015
6016 bool dvd_command_interpretor_c::MatchIsVMG( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6017 {
6018     if ( data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
6019         return false;
6020
6021     return ( data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS && data.p_private_data->GetBuffer()[1] == 0xC0);
6022 }
6023
6024 bool dvd_command_interpretor_c::MatchVTSNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6025 {
6026     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6027         return false;
6028
6029     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x80 )
6030         return false;
6031
6032     uint16 i_gtitle = (data.p_private_data->GetBuffer()[2] << 8 ) + data.p_private_data->GetBuffer()[3];
6033     uint16 i_title = *(uint16*)p_cookie;
6034
6035     return (i_gtitle == i_title);
6036 }
6037
6038 bool dvd_command_interpretor_c::MatchVTSMNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6039 {
6040     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6041         return false;
6042
6043     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x40 )
6044         return false;
6045
6046     uint8 i_gtitle = data.p_private_data->GetBuffer()[3];
6047     uint8 i_title = *(uint8*)p_cookie;
6048
6049     return (i_gtitle == i_title);
6050 }
6051
6052 bool dvd_command_interpretor_c::MatchTitleNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6053 {
6054     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6055         return false;
6056
6057     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_TT )
6058         return false;
6059
6060     uint16 i_gtitle = (data.p_private_data->GetBuffer()[1] << 8 ) + data.p_private_data->GetBuffer()[2];
6061     uint8 i_title = *(uint8*)p_cookie;
6062
6063     return (i_gtitle == i_title);
6064 }
6065
6066 bool dvd_command_interpretor_c::MatchPgcType( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6067 {
6068     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6069         return false;
6070
6071     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6072         return false;
6073
6074     uint8 i_pgc_type = data.p_private_data->GetBuffer()[3] & 0x0F;
6075     uint8 i_pgc = *(uint8*)p_cookie;
6076
6077     return (i_pgc_type == i_pgc);
6078 }
6079
6080 bool dvd_command_interpretor_c::MatchPgcNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6081 {
6082     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6083         return false;
6084
6085     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6086         return false;
6087
6088     uint16 *i_pgc_n = (uint16 *)p_cookie;
6089     uint16 i_pgc_num = (data.p_private_data->GetBuffer()[1] << 8) + data.p_private_data->GetBuffer()[2];
6090
6091     return (i_pgc_num == *i_pgc_n);
6092 }
6093
6094 bool dvd_command_interpretor_c::MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6095 {
6096     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
6097         return false;
6098
6099     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PTT )
6100         return false;
6101
6102     uint8 i_chapter = data.p_private_data->GetBuffer()[1];
6103     uint8 i_ptt = *(uint8*)p_cookie;
6104
6105     return (i_chapter == i_ptt);
6106 }
6107
6108 bool dvd_command_interpretor_c::MatchCellNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6109 {
6110     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 5 )
6111         return false;
6112
6113     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_CN )
6114         return false;
6115
6116     uint8 *i_cell_n = (uint8 *)p_cookie;
6117     uint8 i_cell_num = data.p_private_data->GetBuffer()[3];
6118
6119     return (i_cell_num == *i_cell_n);
6120 }
6121
6122 bool matroska_script_codec_c::Enter()
6123 {
6124     bool f_result = false;
6125     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
6126     while ( index != enter_cmds.end() )
6127     {
6128         if ( (*index)->GetSize() )
6129         {
6130             msg_Dbg( &sys.demuxer, "Matroska Script enter command" );
6131             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6132         }
6133         index++;
6134     }
6135     return f_result;
6136 }
6137
6138 bool matroska_script_codec_c::Leave()
6139 {
6140     bool f_result = false;
6141     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
6142     while ( index != leave_cmds.end() )
6143     {
6144         if ( (*index)->GetSize() )
6145         {
6146             msg_Dbg( &sys.demuxer, "Matroska Script leave command" );
6147             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6148         }
6149         index++;
6150     }
6151     return f_result;
6152 }
6153
6154 // see http://www.matroska.org/technical/specs/chapters/index.html#mscript
6155 //  for a description of existing commands
6156 bool matroska_script_interpretor_c::Interpret( const binary * p_command, size_t i_size )
6157 {
6158     bool b_result = false;
6159
6160     char *psz_str = (char*) malloc( i_size + 1 );
6161     memcpy( psz_str, p_command, i_size );
6162     psz_str[ i_size ] = '\0';
6163
6164     std::string sz_command = psz_str;
6165     free( psz_str );
6166
6167     msg_Dbg( &sys.demuxer, "command : %s", sz_command.c_str() );
6168
6169 #if defined(__GNUC__) && (__GNUC__ < 3)
6170     if ( sz_command.compare( CMD_MS_GOTO_AND_PLAY, 0, CMD_MS_GOTO_AND_PLAY.size() ) == 0 )
6171 #else
6172     if ( sz_command.compare( 0, CMD_MS_GOTO_AND_PLAY.size(), CMD_MS_GOTO_AND_PLAY ) == 0 )
6173 #endif
6174     {
6175         size_t i,j;
6176
6177         // find the (
6178         for ( i=CMD_MS_GOTO_AND_PLAY.size(); i<sz_command.size(); i++)
6179         {
6180             if ( sz_command[i] == '(' )
6181             {
6182                 i++;
6183                 break;
6184             }
6185         }
6186         // find the )
6187         for ( j=i; j<sz_command.size(); j++)
6188         {
6189             if ( sz_command[j] == ')' )
6190             {
6191                 i--;
6192                 break;
6193             }
6194         }
6195
6196         std::string st = sz_command.substr( i+1, j-i-1 );
6197         int64_t i_chapter_uid = atoi( st.c_str() );
6198
6199         virtual_segment_c *p_segment;
6200         chapter_item_c *p_chapter = sys.FindChapter( i_chapter_uid, p_segment );
6201
6202         if ( p_chapter == NULL )
6203             msg_Dbg( &sys.demuxer, "Chapter "I64Fd" not found", i_chapter_uid);
6204         else
6205         {
6206             if ( !p_chapter->EnterAndLeave( sys.p_current_segment->CurrentChapter() ) )
6207                 p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6208             b_result = true;
6209         }
6210     }
6211
6212     return b_result;
6213 }
6214
6215 void demux_sys_t::SwapButtons()
6216 {
6217 #ifndef WORDS_BIGENDIAN
6218     uint8_t button, i, j;
6219
6220     for( button = 1; button <= pci_packet.hli.hl_gi.btn_ns; button++) {
6221         btni_t *button_ptr = &(pci_packet.hli.btnit[button-1]);
6222         binary *p_data = (binary*) button_ptr;
6223
6224         uint16 i_x_start = ((p_data[0] & 0x3F) << 4 ) + ( p_data[1] >> 4 );
6225         uint16 i_x_end   = ((p_data[1] & 0x03) << 8 ) + p_data[2];
6226         uint16 i_y_start = ((p_data[3] & 0x3F) << 4 ) + ( p_data[4] >> 4 );
6227         uint16 i_y_end   = ((p_data[4] & 0x03) << 8 ) + p_data[5];
6228         button_ptr->x_start = i_x_start;
6229         button_ptr->x_end   = i_x_end;
6230         button_ptr->y_start = i_y_start;
6231         button_ptr->y_end   = i_y_end;
6232
6233     }
6234     for ( i = 0; i<3; i++ )
6235     {
6236         for ( j = 0; j<2; j++ )
6237         {
6238             pci_packet.hli.btn_colit.btn_coli[i][j] = U32_AT( &pci_packet.hli.btn_colit.btn_coli[i][j] );
6239         }
6240     }
6241 #endif
6242 }